*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: 14px; }

    :root {
      --cream: #F5F0E8;
      --cream-dark: #EDE8DF;
      --cream-darker: #E4DDD0;
      --orange: #3B82C4;
      --orange-dim: #2C6BAD;
      --blue: #3B82C4;
      --blue-dim: #2C6BAD;
      --blue-bright: #5A9FD4;
      --charcoal: #1A1A18;
      --gray-dark: #3A3A37;
      --gray-mid: #6B6B65;
      --gray-light: #A8A8A0;
      --grid: rgba(26,26,24,0.06);
      --border: rgba(26,26,24,0.15);
      --border-light: rgba(255,255,255,0.08);
      --mono: 'IBM Plex Mono', monospace;
      --sans: 'IBM Plex Sans', sans-serif;
      --nav-h: 48px;
      --topbar-h: 32px;
    }

    body {
      font-family: var(--sans);
      background: var(--cream);
      color: var(--charcoal);
      line-height: 1.5;
      overflow-x: hidden;
    }

    .page { display: none; }
    .page.active { display: block; }

    nav {
      position: sticky; top: 0; z-index: 100;
      background: var(--cream);
      border-bottom: 1.5px solid var(--charcoal);
      font-family: var(--mono);
    }

    .nav-inner {
      max-width: 1280px; margin: 0 auto;
      display: flex; align-items: stretch;
      height: var(--nav-h);
    }

    .nav-logo {
      display: flex; align-items: center; gap: 10px;
      padding: 0 20px;
      border-right: 1.5px solid var(--charcoal);
      text-decoration: none; color: inherit;
      cursor: pointer; flex-shrink: 0;
    }

    .nav-logo-mark {
      width: 24px; height: 24px;
      background: var(--charcoal);
      display: flex; align-items: center; justify-content: center;
    }
    .nav-logo-mark svg { width: 14px; height: 14px; fill: var(--orange); }

    .nav-brand { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
    .nav-sub { font-size: 0.6rem; color: var(--gray-mid); letter-spacing: 0.04em; }

    .nav-links { display: flex; align-items: stretch; margin-left: auto; }

    .nav-links a {
      display: flex; align-items: center;
      padding: 0 16px;
      font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase;
      text-decoration: none; color: var(--gray-mid);
      border-left: 1px solid var(--border);
      transition: color 0.15s, background 0.15s;
      cursor: pointer; white-space: nowrap;
    }
    .nav-links a:hover, .nav-links a.active { color: var(--charcoal); background: var(--cream-dark); }

    .nav-cta {
      display: flex; align-items: center;
      padding: 0 16px;
      font-size: 0.68rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
      background: var(--charcoal); color: var(--cream) !important;
      border-left: 1.5px solid var(--charcoal) !important;
      text-decoration: none; cursor: pointer;
      transition: background 0.15s !important; white-space: nowrap;
    }
    .nav-cta:hover { background: var(--orange) !important; color: white !important; }

    .nav-burger {
      display: none; align-items: center; justify-content: center;
      padding: 0 14px; cursor: pointer; background: none; border: none;
      border-left: 1px solid var(--border);
    }

    .mobile-menu { display: none; background: var(--cream); border-bottom: 1.5px solid var(--charcoal); font-family: var(--mono); }
    .mobile-menu.open { display: block; }
    .mobile-menu a {
      display: block; padding: 12px 20px;
      font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase;
      text-decoration: none; color: var(--gray-mid);
      border-bottom: 1px solid var(--border); cursor: pointer;
    }

    @media (max-width: 920px) { .nav-links { display: none; } .nav-burger { display: flex; } }

    .mono { font-family: var(--mono); }
    .label {
      font-family: var(--mono); font-size: 0.62rem; font-weight: 600;
      letter-spacing: 0.14em; text-transform: uppercase; color: var(--gray-mid);
    }
    .label-orange {
      font-family: var(--mono); font-size: 0.62rem; font-weight: 600;
      letter-spacing: 0.14em; text-transform: uppercase; color: var(--orange);
      display: inline-flex; align-items: center; gap: 6px;
    }
    .label-orange::before {
      content: ''; width: 5px; height: 5px;
      background: var(--orange); border-radius: 50%;
      animation: blink 1.8s ease-in-out infinite;
    }
    @keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

    h1,h2,h3,h4 { font-family: var(--mono); font-weight: 700; line-height: 1.1; }

    .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

    .btn-primary {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 10px 20px;
      background: var(--charcoal); color: var(--cream);
      font-family: var(--mono); font-size: 0.7rem; font-weight: 600;
      letter-spacing: 0.1em; text-transform: uppercase;
      border: 1.5px solid var(--charcoal); text-decoration: none;
      cursor: pointer; transition: all 0.15s;
    }
    .btn-primary:hover { background: var(--orange); border-color: var(--orange); color: white; }

    .btn-outline {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 10px 20px;
      background: transparent; color: var(--charcoal);
      font-family: var(--mono); font-size: 0.7rem; font-weight: 600;
      letter-spacing: 0.1em; text-transform: uppercase;
      border: 1.5px solid var(--charcoal); text-decoration: none;
      cursor: pointer; transition: all 0.15s;
    }
    .btn-outline:hover { background: var(--cream-dark); }

    .btn-orange {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 12px 28px;
      background: var(--orange); color: white;
      font-family: var(--mono); font-size: 0.75rem; font-weight: 700;
      letter-spacing: 0.12em; text-transform: uppercase;
      border: 1.5px solid var(--orange); text-decoration: none;
      cursor: pointer; transition: all 0.15s;
    }
    .btn-orange:hover { background: var(--orange-dim); border-color: var(--orange-dim); }

    /* ─── HERO ─────────────────────────────────────────────────────── */
    .hero {
      background: var(--charcoal);
      position: relative; overflow: hidden;
      height: calc(100vh - var(--nav-h));
      display: flex; flex-direction: column;
      min-height: 520px;
    }

    .hero-grid {
      position: absolute; inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
      background-size: 32px 32px;
      pointer-events: none;
    }

    .hero-top-bar {
      display: flex; align-items: center;
      padding: 0 24px; height: var(--topbar-h);
      border-bottom: 1px solid rgba(255,255,255,0.08);
      font-family: var(--mono); font-size: 0.6rem;
      letter-spacing: 0.1em; color: rgba(255,255,255,0.25);
      position: relative; z-index: 2; flex-shrink: 0;
    }
    .hero-top-bar span { margin-right: 28px; }
    .hero-top-bar .live-dot { display: inline-flex; align-items: center; gap: 5px; color: var(--orange); }
    .hero-top-bar .live-dot::before {
      content: ''; width: 4px; height: 4px; background: var(--orange);
      border-radius: 50%; animation: blink 1.8s ease-in-out infinite;
    }
    @media (max-width: 600px) { .hero-top-bar span:not(.live-dot) { display: none; } }

    .hero-body {
      flex: 1; display: grid;
      grid-template-columns: 1fr 1fr;
      position: relative; z-index: 2;
      min-height: 0;
    }
    @media (max-width: 768px) { .hero-body { grid-template-columns: 1fr; } }

    .hero-left {
      padding: 40px 40px 32px 24px;
      border-right: 1px solid rgba(255,255,255,0.08);
      display: flex; flex-direction: column; justify-content: space-between;
      overflow: hidden;
    }
    @media (max-width: 768px) { .hero-left { padding: 32px 24px; border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); } }

    .hero-num {
      font-family: var(--mono); font-size: 0.62rem; font-weight: 600;
      letter-spacing: 0.14em; color: rgba(255,255,255,0.25); margin-bottom: 14px;
    }

    .hero-h1 {
      font-family: var(--mono); font-size: clamp(1.8rem, 3.8vw, 3.4rem);
      font-weight: 700; line-height: 1.0; letter-spacing: -0.02em;
      color: white; margin-bottom: 10px;
    }
    .hero-h1 em { color: var(--orange); font-style: normal; }

    .hero-tagline {
      font-family: var(--mono); font-size: 0.78rem; font-weight: 400;
      color: rgba(255,255,255,0.4); letter-spacing: 0.02em;
      margin-bottom: 8px; max-width: 420px; line-height: 1.6;
    }

    .hero-subline {
      font-family: var(--sans); font-size: 0.76rem;
      color: rgba(255,255,255,0.28); line-height: 1.7;
      max-width: 400px; margin-bottom: 24px;
      border-left: 2px solid rgba(59,130,196,0.35); padding-left: 12px;
    }

    .hero-ctas { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 0; }

    .hero-stats {
      display: grid; grid-template-columns: repeat(3, 1fr);
      border-top: 1px solid rgba(255,255,255,0.08);
      padding-top: 20px; margin-top: 24px;
    }

    .hero-stat { padding: 0 20px; border-right: 1px solid rgba(255,255,255,0.08); }
    .hero-stat:first-child { padding-left: 0; }
    .hero-stat:last-child { border-right: none; }

    .hero-stat-val {
      font-family: var(--mono); font-size: clamp(1.2rem, 2vw, 1.6rem); font-weight: 700;
      color: var(--orange); line-height: 1; display: block; margin-bottom: 4px;
    }
    .hero-stat-lbl {
      font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.1em;
      text-transform: uppercase; color: rgba(255,255,255,0.3);
    }

    .hero-right {
      padding: 24px;
      display: flex; flex-direction: column;
      min-height: 0;
    }
    @media (max-width: 768px) { .hero-right { display: none; } }

    .hero-terminal {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.08);
      flex: 1; font-family: var(--mono); font-size: 0.68rem;
      color: rgba(255,255,255,0.5); overflow: hidden;
      display: flex; flex-direction: column;
    }

    .terminal-bar {
      display: flex; align-items: center; gap: 8px;
      padding: 9px 14px;
      border-bottom: 1px solid rgba(255,255,255,0.06);
      flex-shrink: 0;
    }
    .terminal-dot { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,0.1); }

    .terminal-body { padding: 16px 20px; line-height: 1.85; overflow: hidden; flex: 1; }
    .t-green { color: #4ADE80; }
    .t-orange { color: var(--orange); }
    .t-dim { color: rgba(255,255,255,0.2); }
    .t-white { color: rgba(255,255,255,0.7); }
    .t-cursor {
      display: inline-block; width: 7px; height: 12px;
      background: var(--orange); animation: cursor-blink 1s step-end infinite;
      vertical-align: middle; margin-left: 2px;
    }
    @keyframes cursor-blink { 0%,100%{opacity:1} 50%{opacity:0} }

    /* ─── SECTIONS ──────────────────────────────────────────────────── */
    .section { padding: 60px 0; }
    .section-alt { background: var(--cream-dark); }
    .section-dark { background: var(--charcoal); }

    .section-header { margin-bottom: 40px; }
    .section-title {
      font-family: var(--mono); font-size: clamp(1.4rem, 2.5vw, 2.2rem);
      font-weight: 700; line-height: 1.1; letter-spacing: -0.01em;
    }
    .section-sub {
      font-family: var(--sans); font-size: 0.85rem;
      color: var(--gray-mid); max-width: 520px; margin-top: 10px; line-height: 1.7;
    }

    .stats-strip {
      background: var(--charcoal);
      display: grid; grid-template-columns: repeat(4, 1fr);
    }
    @media (max-width: 640px) { .stats-strip { grid-template-columns: repeat(2, 1fr); } }

    .stats-strip-item {
      padding: 28px 24px;
      border-right: 1px solid rgba(255,255,255,0.06);
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .stats-strip-item:last-child { border-right: none; }

    .stats-strip-val {
      font-family: var(--mono); font-size: 2rem; font-weight: 700;
      color: var(--orange); line-height: 1; display: block;
    }
    .stats-strip-label {
      font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.1em;
      text-transform: uppercase; color: rgba(255,255,255,0.3); margin-top: 5px; display: block;
    }

    .feature-grid {
      display: grid; grid-template-columns: repeat(3, 1fr);
      border-top: 1.5px solid var(--charcoal);
      border-left: 1.5px solid var(--charcoal);
    }
    @media (max-width: 900px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 560px) { .feature-grid { grid-template-columns: 1fr; } }

    .feature-item {
      padding: 28px 26px;
      border-right: 1.5px solid var(--charcoal);
      border-bottom: 1.5px solid var(--charcoal);
      transition: background 0.2s;
    }
    .feature-item:hover { background: var(--cream-dark); }

    .feature-num {
      font-family: var(--mono); font-size: 0.62rem; font-weight: 600;
      letter-spacing: 0.12em; color: var(--gray-light); margin-bottom: 16px;
    }
    .feature-icon {
      width: 36px; height: 36px; background: var(--charcoal);
      display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
    }
    .feature-icon i { color: var(--orange); font-size: 0.85rem; }
    .feature-title { font-family: var(--mono); font-size: 0.85rem; font-weight: 700; margin-bottom: 10px; }
    .feature-desc { font-family: var(--sans); font-size: 0.78rem; color: var(--gray-mid); line-height: 1.65; }
    .feature-tag {
      margin-top: 14px; display: inline-block;
      font-family: var(--mono); font-size: 0.58rem; font-weight: 600;
      letter-spacing: 0.1em; text-transform: uppercase;
      padding: 4px 8px; border: 1px solid var(--border); color: var(--gray-mid);
    }

    .chart-grid {
      display: grid; grid-template-columns: 1fr 1fr; gap: 0;
      border: 1.5px solid var(--charcoal);
    }
    @media (max-width: 768px) { .chart-grid { grid-template-columns: 1fr; } }

    .chart-box { padding: 28px; border-right: 1.5px solid var(--charcoal); }
    .chart-box:last-child { border-right: none; }
    @media (max-width: 768px) { .chart-box { border-right: none; border-bottom: 1.5px solid var(--charcoal); } }

    .chart-header {
      display: flex; justify-content: space-between; align-items: flex-start;
      margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--border);
    }
    .chart-title { font-family: var(--mono); font-size: 0.78rem; font-weight: 700; }
    .chart-sub { font-family: var(--mono); font-size: 0.58rem; color: var(--gray-light); margin-top: 4px; }
    .chart-badge {
      font-family: var(--mono); font-size: 0.58rem; font-weight: 600;
      letter-spacing: 0.08em; text-transform: uppercase;
      padding: 3px 8px; border: 1px solid var(--orange); color: var(--orange);
    }

    .perf-grid {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
      border: 1.5px solid var(--charcoal); border-top: none;
    }
    @media (max-width: 640px) { .perf-grid { grid-template-columns: 1fr 1fr; } }

    .perf-item {
      padding: 22px 20px;
      border-right: 1.5px solid var(--charcoal);
      border-bottom: 1.5px solid var(--charcoal);
    }
    .perf-item:last-child { border-right: none; }
    .perf-label { font-family: var(--mono); font-size: 0.62rem; color: var(--gray-mid); margin-bottom: 6px; }
    .perf-val { font-family: var(--mono); font-size: 1.3rem; font-weight: 700; color: var(--orange); margin-bottom: 8px; }
    .progress-bar { height: 3px; background: var(--border); }
    .progress-fill { height: 100%; background: var(--charcoal); width: 0%; transition: width 1.2s ease 0.3s; }

    .arch-grid {
      display: grid; grid-template-columns: 1fr 1fr; gap: 0;
      border: 1.5px solid var(--charcoal);
    }
    @media (max-width: 768px) { .arch-grid { grid-template-columns: 1fr; } }

    .arch-left { padding: 40px; border-right: 1.5px solid var(--charcoal); }
    @media (max-width: 768px) { .arch-left { border-right: none; border-bottom: 1.5px solid var(--charcoal); } }
    .arch-right { padding: 40px; }

    .arch-layer {
      padding: 10px 14px; border: 1px solid var(--border);
      font-family: var(--mono); font-size: 0.68rem;
      text-align: center; margin-bottom: 2px; letter-spacing: 0.06em;
    }
    .arch-layer.hl { background: var(--charcoal); color: var(--cream); border-color: var(--charcoal); }
    .arch-layer.orange { background: var(--orange); color: white; border-color: var(--orange); }
    .arch-arrow { text-align: center; font-size: 0.7rem; color: var(--gray-light); padding: 3px 0; }
    .arch-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-bottom: 2px; }

    .rel-item {
      display: flex; align-items: flex-start; gap: 14px;
      padding: 16px 0; border-bottom: 1px solid var(--border);
    }
    .rel-item:last-child { border-bottom: none; }
    .rel-icon {
      width: 32px; height: 32px; flex-shrink: 0;
      background: var(--charcoal); display: flex; align-items: center; justify-content: center;
    }
    .rel-icon i { color: var(--orange); font-size: 0.75rem; }
    .rel-title { font-family: var(--mono); font-size: 0.75rem; font-weight: 700; margin-bottom: 3px; }
    .rel-desc { font-family: var(--sans); font-size: 0.75rem; color: var(--gray-mid); line-height: 1.6; }

    .for-grid {
      display: grid; grid-template-columns: repeat(4, 1fr);
      border: 1.5px solid var(--charcoal);
    }
    @media (max-width: 992px) { .for-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 640px) { .for-grid { grid-template-columns: 1fr; } }

    .for-item { padding: 36px 28px; border-right: 1.5px solid var(--charcoal); border-bottom: 1.5px solid var(--charcoal); }
    .for-item:nth-child(4n) { border-right: none; }
    @media (max-width: 992px) { .for-item:nth-child(2n) { border-right: none; } }
    @media (max-width: 640px) { .for-item { border-right: none; } }
    .for-num { font-family: var(--mono); font-size: 2.4rem; font-weight: 700; color: var(--cream-darker); line-height: 1; margin-bottom: 18px; }
    .for-title { font-family: var(--mono); font-size: 0.95rem; font-weight: 700; margin-bottom: 10px; }
    .for-desc { font-family: var(--sans); font-size: 0.78rem; color: var(--gray-mid); line-height: 1.7; margin-bottom: 16px; }
    .for-tag {
      display: inline-block; font-family: var(--mono); font-size: 0.58rem; font-weight: 700;
      letter-spacing: 0.12em; text-transform: uppercase;
      padding: 4px 10px; background: var(--charcoal); color: var(--cream);
    }

    .faq-item { border-bottom: 1.5px solid var(--charcoal); }
    .faq-btn {
      width: 100%; text-align: left; background: none; border: none; cursor: pointer;
      padding: 20px 0; display: flex; justify-content: space-between; align-items: center;
      font-family: var(--mono); font-weight: 600; font-size: 0.82rem;
      color: var(--charcoal); transition: color 0.15s; letter-spacing: -0.01em;
    }
    .faq-btn:hover { color: var(--orange); }
    .faq-chevron { transition: transform 0.3s ease; flex-shrink: 0; font-size: 0.7rem; margin-left: 16px; }
    .faq-btn[aria-expanded="true"] .faq-chevron { transform: rotate(180deg); }
    .faq-btn[aria-expanded="true"] { color: var(--orange); }
    .faq-body { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
    .faq-body.open { max-height: 500px; }
    .faq-body p { padding-bottom: 20px; font-family: var(--sans); font-size: 0.82rem; color: var(--gray-mid); line-height: 1.8; }

    .program-grid {
      display: grid; grid-template-columns: repeat(2, 1fr);
      border: 1.5px solid var(--charcoal);
    }
    @media (max-width: 640px) { .program-grid { grid-template-columns: 1fr; } }

    .program-item {
      padding: 28px 26px;
      border-right: 1.5px solid var(--charcoal);
      border-bottom: 1.5px solid var(--charcoal);
      display: flex; align-items: flex-start; gap: 14px;
    }
    .program-item:nth-child(2n) { border-right: none; }
    .program-icon {
      width: 32px; height: 32px; flex-shrink: 0;
      background: var(--orange); display: flex; align-items: center; justify-content: center;
    }
    .program-icon i { color: white; font-size: 0.78rem; }
    .program-title { font-family: var(--mono); font-size: 0.78rem; font-weight: 700; margin-bottom: 5px; }
    .program-desc { font-family: var(--sans); font-size: 0.75rem; color: var(--gray-mid); line-height: 1.6; }

    .contact-grid {
      display: grid; grid-template-columns: 2fr 3fr; gap: 0;
      border: 1.5px solid rgba(255,255,255,0.1);
    }
    @media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }

    .contact-left {
      padding: 40px;
      background: rgba(255,255,255,0.03);
      border-right: 1px solid rgba(255,255,255,0.08);
    }
    @media (max-width: 768px) { .contact-left { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); } }

    .contact-right { padding: 40px; }

    .contact-info-item {
      display: flex; align-items: flex-start; gap: 10px;
      padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .contact-info-item:last-child { border-bottom: none; }
    .ci-icon {
      width: 28px; height: 28px; flex-shrink: 0;
      background: rgba(59,130,196,0.15); border: 1px solid rgba(59,130,196,0.3);
      display: flex; align-items: center; justify-content: center;
    }
    .ci-icon i { color: var(--orange); font-size: 0.65rem; }
    .ci-label { font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.1em; color: rgba(255,255,255,0.3); text-transform: uppercase; }
    .ci-val { font-family: var(--mono); font-size: 0.75rem; color: rgba(255,255,255,0.7); margin-top: 2px; }

    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
    @media (max-width: 480px) { .form-row { grid-template-columns: 1fr; } }
    .form-group { margin-bottom: 12px; }
    .form-label {
      display: block; margin-bottom: 5px;
      font-family: var(--mono); font-size: 0.58rem; font-weight: 600;
      letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.4);
    }
    .form-input {
      width: 100%; padding: 10px 12px;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.1); color: white;
      font-family: var(--mono); font-size: 0.78rem;
      transition: border-color 0.15s, background 0.15s;
    }
    .form-input::placeholder { color: rgba(255,255,255,0.2); }
    .form-input:focus { outline: none; border-color: var(--orange); background: rgba(59,130,196,0.04); }
    select.form-input option { background: var(--charcoal); }

    footer { background: var(--charcoal); border-top: 1.5px solid rgba(255,255,255,0.1); }

    .footer-grid {
      display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    @media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
    @media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

    .footer-col { padding: 36px 28px; border-right: 1px solid rgba(255,255,255,0.06); }
    .footer-col:last-child { border-right: none; }
    .footer-logo { font-family: var(--mono); font-size: 1rem; font-weight: 700; color: white; margin-bottom: 8px; }
    .footer-logo em { color: var(--orange); font-style: normal; }
    .footer-tagline { font-family: var(--sans); font-size: 0.75rem; color: rgba(255,255,255,0.3); line-height: 1.6; margin-bottom: 20px; }
    .footer-col-title {
      font-family: var(--mono); font-size: 0.6rem; font-weight: 700;
      letter-spacing: 0.12em; text-transform: uppercase;
      color: rgba(255,255,255,0.3); margin-bottom: 14px;
    }
    .footer-links { list-style: none; }
    .footer-links li { margin-bottom: 8px; }
    .footer-links a {
      font-family: var(--sans); font-size: 0.75rem; color: rgba(255,255,255,0.4);
      text-decoration: none; cursor: pointer; transition: color 0.15s;
    }
    .footer-links a:hover { color: var(--orange); }
    .footer-bottom {
      padding: 16px 28px;
      display: flex; justify-content: space-between; align-items: center;
    }
    @media (max-width: 640px) { .footer-bottom { flex-direction: column; gap: 6px; text-align: center; } }
    .footer-copy { font-family: var(--mono); font-size: 0.6rem; color: rgba(255,255,255,0.2); }

    /* ─── BLOG ──────────────────────────────────────────────────────── */
    .blog-hero {
      background: var(--charcoal);
      padding: 60px 0 0;
      border-bottom: 1.5px solid rgba(255,255,255,0.08);
    }
    .blog-hero-inner {
      max-width: 1280px; margin: 0 auto; padding: 0 24px 40px;
      display: grid; grid-template-columns: 1fr 1fr; gap: 0; align-items: end;
    }
    @media (max-width: 768px) { .blog-hero-inner { grid-template-columns: 1fr; } }
    .blog-hero-title { font-family: var(--mono); font-size: clamp(1.8rem, 4vw, 3.2rem); font-weight: 700; color: white; letter-spacing: -0.02em; }
    .blog-hero-title em { color: var(--orange); font-style: normal; }
    .blog-hero-sub { font-family: var(--sans); font-size: 0.82rem; color: rgba(255,255,255,0.35); margin-top: 14px; line-height: 1.7; }
    .blog-hero-meta { font-family: var(--mono); font-size: 0.62rem; color: rgba(255,255,255,0.2); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 20px; }

    .blog-categories {
      background: var(--charcoal);
      border-bottom: 1.5px solid rgba(255,255,255,0.08);
      display: flex; overflow-x: auto;
    }
    .blog-cat {
      padding: 12px 20px;
      font-family: var(--mono); font-size: 0.62rem; font-weight: 600;
      letter-spacing: 0.1em; text-transform: uppercase;
      color: rgba(255,255,255,0.3);
      border-right: 1px solid rgba(255,255,255,0.06);
      cursor: pointer; white-space: nowrap; transition: color 0.15s, background 0.15s;
    }
    .blog-cat:hover, .blog-cat.active { color: white; background: rgba(255,255,255,0.04); }
    .blog-cat.active { color: var(--orange); }

    .blog-featured { display: grid; grid-template-columns: 3fr 2fr; border: 1.5px solid var(--charcoal); }
    @media (max-width: 768px) { .blog-featured { grid-template-columns: 1fr; } }

    .blog-featured-visual {
      background: var(--charcoal); min-height: 280px;
      display: flex; flex-direction: column; justify-content: flex-end; padding: 28px;
      border-right: 1.5px solid var(--charcoal); position: relative; overflow: hidden;
    }
    @media (max-width: 768px) { .blog-featured-visual { min-height: 200px; border-right: none; border-bottom: 1.5px solid var(--charcoal); } }

    .featured-math {
      position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
      font-family: var(--mono); font-size: clamp(2rem, 5vw, 4rem); font-weight: 700;
      color: rgba(59,130,196,0.15); white-space: nowrap; letter-spacing: -0.02em; pointer-events: none;
    }
    .featured-grid-lines {
      position: absolute; inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
      background-size: 24px 24px;
    }

    .blog-featured-content { padding: 28px; }
    .blog-tag {
      display: inline-block; font-family: var(--mono); font-size: 0.58rem; font-weight: 700;
      letter-spacing: 0.1em; text-transform: uppercase;
      padding: 3px 8px; border: 1px solid var(--border); color: var(--gray-mid);
      margin-right: 5px; margin-bottom: 5px;
    }
    .blog-tag.featured-tag { background: var(--orange); border-color: var(--orange); color: white; }

    .blog-article-title {
      font-family: var(--mono); font-size: 1rem; font-weight: 700;
      line-height: 1.3; letter-spacing: -0.01em; margin: 14px 0 10px;
      cursor: pointer; transition: color 0.15s;
    }
    .blog-article-title:hover { color: var(--orange); }
    .blog-article-excerpt { font-family: var(--sans); font-size: 0.78rem; color: var(--gray-mid); line-height: 1.7; margin-bottom: 16px; }
    .blog-article-meta {
      font-family: var(--mono); font-size: 0.6rem; color: var(--gray-light);
      letter-spacing: 0.06em; display: flex; gap: 14px; align-items: center;
    }
    .blog-article-meta .read-time { padding: 2px 7px; border: 1px solid var(--border); }

    .blog-grid {
      display: grid; grid-template-columns: repeat(3, 1fr);
      border-left: 1.5px solid var(--charcoal); border-top: 1.5px solid var(--charcoal);
    }
    @media (max-width: 900px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 560px) { .blog-grid { grid-template-columns: 1fr; } }

    .blog-card {
      padding: 26px; border-right: 1.5px solid var(--charcoal); border-bottom: 1.5px solid var(--charcoal);
      transition: background 0.15s; cursor: pointer;
    }
    .blog-card:hover { background: var(--cream-dark); }
    .blog-card-num { font-family: var(--mono); font-size: 0.6rem; color: var(--gray-light); margin-bottom: 14px; letter-spacing: 0.08em; }
    .blog-card-title { font-family: var(--mono); font-size: 0.82rem; font-weight: 700; line-height: 1.4; letter-spacing: -0.01em; margin: 10px 0 8px; }
    .blog-card-excerpt { font-family: var(--sans); font-size: 0.75rem; color: var(--gray-mid); line-height: 1.65; margin-bottom: 16px; }
    .blog-card-meta {
      font-family: var(--mono); font-size: 0.58rem; color: var(--gray-light);
      display: flex; justify-content: space-between; align-items: center;
      padding-top: 14px; border-top: 1px solid var(--border);
    }

    .newsletter-box {
      background: var(--charcoal); padding: 48px;
      display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
    }
    @media (max-width: 768px) { .newsletter-box { grid-template-columns: 1fr; padding: 36px 24px; } }
    .newsletter-title { font-family: var(--mono); font-size: 1.3rem; font-weight: 700; color: white; }
    .newsletter-sub { font-family: var(--sans); font-size: 0.82rem; color: rgba(255,255,255,0.3); margin-top: 8px; line-height: 1.6; }
    .newsletter-form { display: flex; }
    .newsletter-input {
      flex: 1; padding: 12px 14px;
      background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
      color: white; font-family: var(--mono); font-size: 0.78rem;
    }
    .newsletter-input::placeholder { color: rgba(255,255,255,0.2); }
    .newsletter-input:focus { outline: none; border-color: var(--orange); }
    .newsletter-btn {
      padding: 12px 20px; background: var(--orange); color: white; border: none;
      font-family: var(--mono); font-size: 0.7rem; font-weight: 700;
      letter-spacing: 0.1em; text-transform: uppercase; cursor: pointer; transition: background 0.15s;
    }
    .newsletter-btn:hover { background: var(--orange-dim); }

    .fade-up { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
    .fade-up.visible { opacity: 1; transform: translateY(0); }

    #notification {
      position: fixed; bottom: 20px; right: 20px; z-index: 999;
      display: none; align-items: center; gap: 10px;
      padding: 12px 18px; background: var(--charcoal); color: white;
      border: 1.5px solid var(--orange);
      font-family: var(--mono); font-size: 0.72rem;
      transform: translateX(120%); transition: transform 0.3s ease; max-width: 320px;
    }

    ::-webkit-scrollbar { width: 5px; height: 5px; }
    ::-webkit-scrollbar-track { background: var(--cream-dark); }
    ::-webkit-scrollbar-thumb { background: var(--charcoal); }

    /* ─── LEGAL ─────────────────────────────────────────────────────── */
    .legal-content {
      max-width: 900px; margin: 0 auto;
      font-family: var(--sans); font-size: 0.82rem;
      color: var(--gray-dark); line-height: 1.7;
    }
    .legal-section { border-bottom: 1px solid var(--border); padding-bottom: 32px; margin-bottom: 32px; }
    .legal-h1 { font-family: var(--mono); font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
    .legal-h2 { font-family: var(--mono); font-size: 0.95rem; font-weight: 700; margin-top: 18px; margin-bottom: 6px; }
    .legal-meta { font-family: var(--mono); font-size: 0.7rem; color: var(--gray-mid); margin-bottom: 12px; }
    .legal-list { margin-left: 18px; margin-top: 4px; }
    .legal-list li { margin-bottom: 4px; }

    /* ─── ABOUT PAGE ────────────────────────────────────────────────── */
    .about-hero {
      background: var(--charcoal);
      position: relative; overflow: hidden;
      padding: 0;
      min-height: 480px;
      display: flex; flex-direction: column;
    }

    .about-hero-grid {
      position: absolute; inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
      background-size: 40px 40px;
    }

    .about-hero-accent {
      position: absolute; right: 0; top: 0; bottom: 0; width: 42%;
      background: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 12px,
        rgba(59,130,196,0.04) 12px,
        rgba(59,130,196,0.04) 13px
      );
    }
    @media (max-width: 768px) { .about-hero-accent { display: none; } }

    .about-topbar {
      display: flex; align-items: center;
      padding: 0 24px; height: var(--topbar-h);
      border-bottom: 1px solid rgba(255,255,255,0.08);
      font-family: var(--mono); font-size: 0.6rem;
      letter-spacing: 0.1em; color: rgba(255,255,255,0.25);
      position: relative; z-index: 2; flex-shrink: 0;
    }
    .about-topbar span { margin-right: 28px; }

    .about-hero-body {
      flex: 1; display: grid; grid-template-columns: 1fr 1fr;
      position: relative; z-index: 2;
    }
    @media (max-width: 768px) { .about-hero-body { grid-template-columns: 1fr; } }

    .about-hero-left {
      padding: 48px 40px 48px 24px;
      border-right: 1px solid rgba(255,255,255,0.08);
      display: flex; flex-direction: column; justify-content: center;
    }
    @media (max-width: 768px) { .about-hero-left { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); padding: 36px 24px; } }

    .about-hero-right {
      padding: 48px 24px;
      display: flex; flex-direction: column; justify-content: center; gap: 20px;
    }
    @media (max-width: 768px) { .about-hero-right { padding: 32px 24px; } }

    .about-h1 {
      font-family: var(--mono); font-size: clamp(2rem, 4vw, 3.6rem);
      font-weight: 700; line-height: 1.0; letter-spacing: -0.02em;
      color: white; margin-bottom: 16px;
    }
    .about-h1 em { color: var(--orange); font-style: normal; }

    .about-hero-tagline {
      font-family: var(--mono); font-size: 0.82rem;
      color: rgba(255,255,255,0.5); line-height: 1.65;
      max-width: 420px; margin-bottom: 16px;
    }

    .about-hero-subline {
      font-family: var(--sans); font-size: 0.78rem;
      color: rgba(255,255,255,0.28); line-height: 1.8;
      max-width: 400px;
      border-left: 2px solid rgba(59,130,196,0.4); padding-left: 14px;
    }

    .about-stat-block {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.07);
      padding: 20px 22px;
    }
    .about-stat-val {
      font-family: var(--mono); font-size: 1.8rem; font-weight: 700;
      color: var(--orange); line-height: 1; margin-bottom: 6px;
    }
    .about-stat-lbl {
      font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.1em;
      text-transform: uppercase; color: rgba(255,255,255,0.25);
    }
    .about-stat-desc {
      font-family: var(--sans); font-size: 0.72rem; color: rgba(255,255,255,0.35);
      line-height: 1.5; margin-top: 6px;
    }

    /* Story section */
    .story-grid {
      display: grid; grid-template-columns: 5fr 4fr;
      border: 1.5px solid var(--charcoal);
    }
    @media (max-width: 768px) { .story-grid { grid-template-columns: 1fr; } }

    .story-left { padding: 48px; border-right: 1.5px solid var(--charcoal); }
    @media (max-width: 768px) { .story-left { border-right: none; border-bottom: 1.5px solid var(--charcoal); padding: 32px 24px; } }
    .story-right { padding: 48px; }
    @media (max-width: 768px) { .story-right { padding: 32px 24px; } }

    .story-body {
      font-family: var(--sans); font-size: 0.85rem;
      color: var(--gray-dark); line-height: 1.9;
    }
    .story-body p { margin-bottom: 18px; }
    .story-body p:last-child { margin-bottom: 0; }
    .story-body strong { color: var(--charcoal); font-weight: 600; }
    .story-body em { color: var(--orange); font-style: normal; font-weight: 600; }

    .story-pull {
      font-family: var(--mono); font-size: 1.05rem; font-weight: 700;
      color: var(--charcoal); line-height: 1.4; letter-spacing: -0.01em;
      border-left: 3px solid var(--orange); padding-left: 18px;
      margin: 28px 0;
    }

    .value-list { list-style: none; }
    .value-list li {
      display: flex; gap: 12px; align-items: flex-start;
      padding: 16px 0; border-bottom: 1px solid var(--border);
    }
    .value-list li:last-child { border-bottom: none; }
    .value-icon {
      width: 28px; height: 28px; flex-shrink: 0;
      background: var(--charcoal); display: flex; align-items: center; justify-content: center;
    }
    .value-icon i { color: var(--orange); font-size: 0.7rem; }
    .value-title { font-family: var(--mono); font-size: 0.75rem; font-weight: 700; margin-bottom: 4px; }
    .value-desc { font-family: var(--sans); font-size: 0.75rem; color: var(--gray-mid); line-height: 1.6; }

    /* Team / founders strip */
    .founders-strip {
      display: grid; grid-template-columns: repeat(3, 1fr);
      border: 1.5px solid var(--charcoal);
    }
    @media (max-width: 640px) { .founders-strip { grid-template-columns: 1fr; } }

    .founder-card {
      padding: 32px 28px;
      border-right: 1.5px solid var(--charcoal);
      border-bottom: 1.5px solid var(--charcoal);
      transition: background 0.2s;
    }
    .founder-card:last-child { border-right: none; }
    .founder-card:hover { background: var(--cream-dark); }
    .founder-initial {
      width: 52px; height: 52px;
      background: var(--charcoal);
      display: flex; align-items: center; justify-content: center;
      font-family: var(--mono); font-size: 1.4rem; font-weight: 700;
      color: var(--orange); margin-bottom: 16px;
    }
    .founder-name { font-family: var(--mono); font-size: 0.88rem; font-weight: 700; margin-bottom: 4px; }
    .founder-role {
      font-family: var(--mono); font-size: 0.6rem; font-weight: 600;
      letter-spacing: 0.1em; text-transform: uppercase; color: var(--orange); margin-bottom: 12px;
    }
    .founder-bio { font-family: var(--sans); font-size: 0.76rem; color: var(--gray-mid); line-height: 1.65; margin-bottom: 14px; }
    .founder-tags { display: flex; flex-wrap: wrap; gap: 5px; }
    .founder-tag {
      font-family: var(--mono); font-size: 0.56rem; font-weight: 600;
      letter-spacing: 0.08em; text-transform: uppercase;
      padding: 3px 7px; border: 1px solid var(--border); color: var(--gray-mid);
    }

    /* Mission strip */
    .mission-strip {
      background: var(--charcoal);
      display: grid; grid-template-columns: 1fr 1fr;
    }
    @media (max-width: 768px) { .mission-strip { grid-template-columns: 1fr; } }
    .mission-left { padding: 48px; border-right: 1px solid rgba(255,255,255,0.08); }
    @media (max-width: 768px) { .mission-left { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); } }
    .mission-right { padding: 48px; }
    @media (max-width: 768px) { .mission-left, .mission-right { padding: 36px 24px; } }
    .mission-title { font-family: var(--mono); font-size: clamp(1.3rem, 2.2vw, 1.9rem); font-weight: 700; color: white; line-height: 1.15; margin-bottom: 16px; }
    .mission-title em { color: var(--orange); font-style: normal; }
    .mission-body { font-family: var(--sans); font-size: 0.82rem; color: rgba(255,255,255,0.38); line-height: 1.8; }

    .mission-list { list-style: none; }
    .mission-list li {
      display: flex; gap: 14px; align-items: flex-start;
      padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .mission-list li:last-child { border-bottom: none; }
    .mission-dot {
      width: 6px; height: 6px; border-radius: 50%; background: var(--orange);
      flex-shrink: 0; margin-top: 6px;
    }
    .mission-item-title { font-family: var(--mono); font-size: 0.75rem; font-weight: 700; color: white; margin-bottom: 3px; }
    .mission-item-desc { font-family: var(--sans); font-size: 0.75rem; color: rgba(255,255,255,0.35); line-height: 1.6; }

    /* LinkedIn / social strip */
    .social-strip {
      display: flex; align-items: center; gap: 16px;
      padding: 20px 0; border-top: 1px solid var(--border);
      margin-top: 20px;
    }
    .linkedin-btn {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 9px 18px;
      background: #0077B5; color: white;
      font-family: var(--mono); font-size: 0.68rem; font-weight: 600;
      letter-spacing: 0.08em; text-transform: uppercase;
      border: none; text-decoration: none; cursor: pointer;
      transition: background 0.15s;
    }
    .linkedin-btn:hover { background: #005885; }
    .linkedin-btn i { font-size: 0.8rem; }

    /* About CTA section */
    .about-cta-section {
      background: var(--charcoal);
      padding: 72px 0;
      position: relative; overflow: hidden;
    }
    .about-cta-section::before {
      content: 'ENQUIRE';
      position: absolute; right: -20px; top: 50%; transform: translateY(-50%);
      font-family: var(--mono); font-size: 8rem; font-weight: 700;
      color: rgba(59,130,196,0.05); line-height: 1; pointer-events: none;
      white-space: nowrap;
    }
    .about-cta-inner {
      max-width: 700px; margin: 0 auto; text-align: center; padding: 0 24px;
      position: relative; z-index: 1;
    }
    .about-cta-title { font-family: var(--mono); font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; color: white; line-height: 1.1; margin-bottom: 16px; }
    .about-cta-title em { color: var(--orange); font-style: normal; }
    .about-cta-body { font-family: var(--sans); font-size: 0.85rem; color: rgba(255,255,255,0.35); line-height: 1.8; margin-bottom: 32px; max-width: 500px; margin-left: auto; margin-right: auto; }
    .about-cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

    /* ─── COOKIE BANNER ─────────────────────────────────────────────── */
    #cookie-banner {
      position: fixed; bottom: 24px; left: 24px; z-index: 1000;
      max-width: 420px; width: calc(100vw - 48px);
      background: white;
      border: 1.5px solid var(--charcoal);
      box-shadow: 8px 8px 0 rgba(26,26,24,0.12);
      display: none;
      flex-direction: column;
      animation: slideUp 0.35s ease forwards;
    }
    #cookie-banner.show { display: flex; }
    @keyframes slideUp { from { opacity:0; transform:translateY(16px); } to { opacity:1; transform:translateY(0); } }

    .cookie-header {
      padding: 16px 18px 12px;
      border-bottom: 1px solid rgba(26,26,24,0.08);
      display: flex; justify-content: space-between; align-items: flex-start;
    }
    .cookie-title {
      font-family: var(--mono); font-size: 0.85rem; font-weight: 700;
      color: var(--charcoal);
    }
    .cookie-close {
      background: none; border: none; cursor: pointer;
      color: var(--gray-mid); font-size: 0.9rem; padding: 0; line-height: 1;
      transition: color 0.15s;
    }
    .cookie-close:hover { color: var(--orange); }

    .cookie-intro {
      padding: 10px 18px;
      font-family: var(--sans); font-size: 0.75rem; color: var(--gray-mid); line-height: 1.6;
    }
    .cookie-intro a { color: var(--orange); text-decoration: none; }

    .cookie-toggles { padding: 4px 18px 12px; }

    .cookie-toggle-row {
      display: flex; justify-content: space-between; align-items: center;
      padding: 11px 0; border-bottom: 1px solid rgba(26,26,24,0.06);
    }
    .cookie-toggle-row:last-child { border-bottom: none; }

    .cookie-toggle-info {}
    .cookie-toggle-name {
      font-family: var(--mono); font-size: 0.72rem; font-weight: 700;
      color: var(--charcoal); margin-bottom: 2px;
    }
    .cookie-toggle-desc {
      font-family: var(--sans); font-size: 0.66rem; color: var(--gray-mid); line-height: 1.4;
      max-width: 270px;
    }

    /* iOS-style toggle */
    .toggle-switch { position: relative; width: 40px; height: 22px; flex-shrink: 0; }
    .toggle-switch input { opacity: 0; width: 0; height: 0; position: absolute; }
    .toggle-track {
      position: absolute; inset: 0;
      background: #D1D5DB; border-radius: 11px;
      cursor: pointer; transition: background 0.25s;
    }
    .toggle-track::after {
      content: '';
      position: absolute; top: 3px; left: 3px;
      width: 16px; height: 16px; border-radius: 50%;
      background: white; box-shadow: 0 1px 3px rgba(0,0,0,0.2);
      transition: transform 0.25s;
    }
    .toggle-switch input:checked + .toggle-track { background: var(--charcoal); }
    .toggle-switch input:checked + .toggle-track::after { transform: translateX(18px); }
    .toggle-switch input:disabled + .toggle-track { background: var(--charcoal); cursor: not-allowed; opacity: 0.75; }
    .toggle-switch input:disabled + .toggle-track::after { transform: translateX(18px); }

    .cookie-actions {
      padding: 12px 18px 16px;
      display: flex; gap: 8px; flex-wrap: wrap;
    }
    .cookie-btn {
      flex: 1; min-width: 90px;
      padding: 9px 12px; text-align: center;
      font-family: var(--mono); font-size: 0.62rem; font-weight: 700;
      letter-spacing: 0.08em; text-transform: uppercase;
      border: 1.5px solid var(--charcoal); cursor: pointer; transition: all 0.15s;
    }
    .cookie-btn-outline { background: white; color: var(--charcoal); }
    .cookie-btn-outline:hover { background: var(--cream-dark); }
    .cookie-btn-filled { background: var(--charcoal); color: var(--cream); border-color: var(--charcoal); }
    .cookie-btn-filled:hover { background: var(--orange); border-color: var(--orange); color: white; }
    .cookie-btn-accept { background: var(--orange); color: white; border-color: var(--orange); }
    .cookie-btn-accept:hover { background: var(--orange-dim); border-color: var(--orange-dim); }

    .cookie-saved-flash {
      font-family: var(--mono); font-size: 0.62rem; color: #4ADE80;
      padding: 0 18px 10px; display: none;
      letter-spacing: 0.06em;
    }
    .cookie-saved-flash.show { display: block; }
  
/* ── INSIGHTS STYLES ── */
.label-blue {
      font-family: var(--mono); font-size: 0.62rem; font-weight: 600;
      letter-spacing: 0.14em; text-transform: uppercase; color: var(--blue);
      display: inline-flex; align-items: center; gap: 6px;
    }
.label-blue::before {
      content: ''; width: 5px; height: 5px; background: var(--blue);
      border-radius: 50%; animation: blink 1.8s ease-in-out infinite;
    }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }
/* ── HERO ────────────────────────────────────────────── */
    .insights-hero {
      background: var(--charcoal); position: relative; overflow: hidden;
      min-height: 480px; display: flex; flex-direction: column;
    }
.hero-grid-bg {
      position: absolute; inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
      background-size: 40px 40px; pointer-events: none;
    }
.hero-topbar {
      display: flex; align-items: center; padding: 0 24px; height: 32px;
      border-bottom: 1px solid var(--border-light);
      font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.1em; color: rgba(255,255,255,0.25);
      position: relative; z-index: 2; flex-shrink: 0;
    }
.hero-topbar .live-dot { display: inline-flex; align-items: center; gap: 5px; color: var(--blue); }
.hero-topbar .live-dot::before {
      content: ''; width: 4px; height: 4px; background: var(--blue);
      border-radius: 50%; animation: blink 1.8s ease-in-out infinite;
    }
.hero-body {
      flex: 1; display: grid; grid-template-columns: 1fr 1fr;
      position: relative; z-index: 2;
    }
@media (max-width: 768px) { .hero-body { grid-template-columns: 1fr; } }
.hero-left {
      padding: 48px 40px 40px 24px;
      border-right: 1px solid var(--border-light);
      display: flex; flex-direction: column; justify-content: space-between;
    }
@media (max-width: 768px) { .hero-left { padding: 36px 24px; border-right: none; border-bottom: 1px solid var(--border-light); } }
.hero-eyebrow {
      font-family: var(--mono); font-size: 0.62rem; font-weight: 600;
      letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.25); margin-bottom: 14px;
    }
.hero-h1 {
      font-family: var(--mono); font-size: clamp(2rem, 4vw, 3.4rem);
      font-weight: 700; line-height: 1.0; letter-spacing: -0.02em; color: white; margin-bottom: 16px;
    }
.hero-h1 em { color: var(--blue); font-style: normal; }
.hero-desc {
      font-family: var(--sans); font-size: 0.85rem; color: rgba(255,255,255,0.4);
      line-height: 1.75; max-width: 440px; margin-bottom: 28px;
    }
.hero-stats {
      display: grid; grid-template-columns: repeat(3, 1fr);
      border-top: 1px solid var(--border-light); padding-top: 24px;
    }
.hero-stat { padding: 0 20px; border-right: 1px solid var(--border-light); }
.hero-stat:first-child { padding-left: 0; }
.hero-stat:last-child { border-right: none; }
.hero-stat-val {
      font-family: var(--mono); font-size: clamp(1.2rem, 2vw, 1.6rem);
      font-weight: 700; color: var(--blue); line-height: 1; display: block; margin-bottom: 4px;
    }
.hero-stat-lbl { font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.3); }
/* Floating equations */
    .eq-float {
      position: absolute; font-family: var(--mono); font-weight: 700;
      color: rgba(59,130,196,0.22); pointer-events: none; white-space: nowrap;
      letter-spacing: -0.02em; user-select: none;
    }
@keyframes eq-drift { 0%,100%{transform:translate(-50%,-50%) rotate(-2deg) scale(1);opacity:0.2} 50%{transform:translate(-50%,-50%) rotate(1deg) scale(1.03);opacity:0.38} }
@keyframes eq-float-anim { 0%,100%{transform:translate(-50%,-50%) translateY(0);opacity:0.22} 50%{transform:translate(-50%,-50%) translateY(-12px);opacity:0.42} }
@keyframes eq-pulse { 0%,100%{opacity:0.18} 50%{opacity:0.35} }
.eq-drift { animation: eq-drift 12s ease-in-out infinite; }
.eq-float-a { animation: eq-float-anim 8s ease-in-out infinite; }
.eq-pulse { animation: eq-pulse 5s ease-in-out infinite; }
.hero-right {
      padding: 36px 28px; display: flex; flex-direction: column; gap: 1px;
    }
@media (max-width: 768px) { .hero-right { padding: 28px 24px; } }
.hero-stat-panel {
      background: rgba(255,255,255,0.03); border: 1px solid var(--border-light);
      padding: 18px 20px; margin-bottom: 1px; flex: 1;
    }
.hsp-val { font-family: var(--mono); font-size: 1.6rem; font-weight: 700; color: var(--blue); margin-bottom: 4px; }
.hsp-lbl { font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.25); }
.hsp-desc { font-family: var(--sans); font-size: 0.72rem; color: rgba(255,255,255,0.3); margin-top: 6px; line-height: 1.5; }
/* ── SUBSECTION NAV ──────────────────────────────────── */
    .subsection-nav {
      background: var(--charcoal); border-bottom: 1.5px solid rgba(255,255,255,0.1);
      display: flex; overflow-x: auto; position: sticky; top: var(--nav-h); z-index: 150;
    }
.subsection-nav::-webkit-scrollbar { height: 0; }
.sub-btn {
      flex-shrink: 0; padding: 0 24px; height: 44px;
      font-family: var(--mono); font-size: 0.62rem; font-weight: 600;
      letter-spacing: 0.1em; text-transform: uppercase;
      color: rgba(255,255,255,0.3); background: none; border: none;
      border-right: 1px solid rgba(255,255,255,0.06);
      cursor: pointer; transition: color 0.15s, background 0.15s; white-space: nowrap;
      display: flex; align-items: center; gap: 8px;
    }
.sub-btn:hover { color: rgba(255,255,255,0.7); background: rgba(255,255,255,0.03); }
.sub-btn.active { color: var(--blue); border-bottom: 2px solid var(--blue); }
.sub-btn .sub-count {
      font-size: 0.54rem; padding: 2px 6px;
      background: rgba(59,130,196,0.15); color: var(--blue); border-radius: 2px;
    }
/* ── SORT & CONTROLS ─────────────────────────────────── */
    .controls-bar {
      display: flex; justify-content: space-between; align-items: center;
      padding: 16px 0; border-bottom: 1.5px solid var(--charcoal); margin-bottom: 32px;
    }
.controls-left { display: flex; align-items: center; gap: 16px; }
.controls-right { display: flex; gap: 8px; }
.sort-btn {
      padding: 7px 14px; font-family: var(--mono); font-size: 0.62rem; font-weight: 600;
      letter-spacing: 0.08em; text-transform: uppercase;
      background: transparent; color: var(--gray-mid);
      border: 1.5px solid var(--border); cursor: pointer; transition: all 0.15s;
    }
.sort-btn:hover { border-color: var(--charcoal); color: var(--charcoal); }
.sort-btn.active { background: var(--charcoal); color: var(--cream); border-color: var(--charcoal); }
.article-count-label { font-family: var(--mono); font-size: 0.62rem; color: var(--gray-mid); letter-spacing: 0.08em; }
.results-count { color: var(--blue); font-weight: 600; }
/* ── FEATURED ARTICLE ────────────────────────────────── */
    .featured-wrap { margin-bottom: 0; }
.featured-article {
      display: grid; grid-template-columns: 5fr 4fr;
      border: 1.5px solid var(--charcoal); cursor: pointer;
      transition: background 0.2s; margin-bottom: 0;
    }
.featured-article:hover { background: var(--cream-dark); }
@media (max-width: 768px) { .featured-article { grid-template-columns: 1fr; } }
.featured-visual {
      background: var(--charcoal); min-height: 300px;
      position: relative; overflow: hidden;
      display: flex; flex-direction: column; justify-content: flex-end; padding: 28px;
      border-right: 1.5px solid var(--charcoal);
    }
@media (max-width: 768px) { .featured-visual { min-height: 180px; border-right: none; border-bottom: 1.5px solid var(--charcoal); } }
.featured-grid-lines {
      position: absolute; inset: 0;
      background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
      background-size: 24px 24px;
    }
.featured-eq {
      position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
      font-family: var(--mono); font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 700;
      color: rgba(59,130,196,0.35); white-space: nowrap; pointer-events: none;
      animation: eq-float-anim 7s ease-in-out infinite;
    }
.featured-content { padding: 36px 32px; display: flex; flex-direction: column; justify-content: space-between; }
.art-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.art-tag {
      font-family: var(--mono); font-size: 0.58rem; font-weight: 700;
      letter-spacing: 0.1em; text-transform: uppercase;
      padding: 3px 8px; border: 1px solid var(--border); color: var(--gray-mid);
    }
.art-tag.featured { background: var(--blue); border-color: var(--blue); color: white; }
.art-tag.cat-br { border-color: rgba(59,130,196,0.4); color: var(--blue); }
.art-tag.cat-up { border-color: rgba(59,130,196,0.4); color: var(--blue); }
.art-tag.cat-cd { border-color: rgba(59,130,196,0.4); color: var(--blue); }
.art-tag.cat-cp { border-color: rgba(59,130,196,0.4); color: var(--blue); }
.featured-title {
      font-family: var(--mono); font-size: clamp(1rem, 1.8vw, 1.25rem); font-weight: 700;
      line-height: 1.3; letter-spacing: -0.01em; margin-bottom: 14px;
      transition: color 0.15s;
    }
.featured-article:hover .featured-title { color: var(--blue); }
.featured-abstract { font-family: var(--sans); font-size: 0.82rem; color: var(--gray-mid); line-height: 1.75; margin-bottom: 20px; }
.art-meta { font-family: var(--mono); font-size: 0.6rem; color: var(--gray-light); letter-spacing: 0.06em; display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.art-meta .read-time { padding: 2px 7px; border: 1px solid var(--border); }
.read-btn {
      display: inline-flex; align-items: center; gap: 6px; margin-top: 20px;
      font-family: var(--mono); font-size: 0.68rem; font-weight: 700;
      letter-spacing: 0.1em; text-transform: uppercase;
      padding: 10px 20px; background: var(--charcoal); color: var(--cream);
      border: 1.5px solid var(--charcoal); cursor: pointer; transition: all 0.15s;
    }
.read-btn:hover { background: var(--blue); border-color: var(--blue); color: white; }
/* ── ARTICLE GRID ─────────────────────────────────────── */
    .section { padding: 52px 0; }
.section-alt { background: var(--cream-dark); }
.section-dark { background: var(--charcoal); }
.article-grid {
      display: grid; grid-template-columns: repeat(3, 1fr);
      border-left: 1.5px solid var(--charcoal);
      border-top: 1.5px solid var(--charcoal);
    }
@media (max-width: 900px) { .article-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .article-grid { grid-template-columns: 1fr; } }
.art-card {
      padding: 26px; border-right: 1.5px solid var(--charcoal); border-bottom: 1.5px solid var(--charcoal);
      transition: background 0.15s; cursor: pointer; position: relative; overflow: hidden;
      display: flex; flex-direction: column;
    }
.art-card:hover { background: var(--cream-dark); }
.art-card-eq-bg {
      position: absolute; bottom: -10px; right: 10px;
      font-family: var(--mono); font-size: 3.5rem; font-weight: 700;
      color: rgba(26,26,24,0.04); pointer-events: none; white-space: nowrap; line-height: 1;
      transition: color 0.2s;
    }
.art-card:hover .art-card-eq-bg { color: rgba(59,130,196,0.07); }
.art-card-num { font-family: var(--mono); font-size: 0.6rem; color: var(--gray-light); margin-bottom: 12px; letter-spacing: 0.08em; }
.art-card-eq { font-family: var(--mono); font-size: 0.92rem; font-weight: 700; color: rgba(59,130,196,0.6); margin-bottom: 10px; }
.art-card-title { font-family: var(--mono); font-size: 0.82rem; font-weight: 700; line-height: 1.35; letter-spacing: -0.01em; margin: 10px 0 10px; flex: 1; }
.art-card-abstract { font-family: var(--sans); font-size: 0.75rem; color: var(--gray-mid); line-height: 1.65; margin-bottom: 16px; }
.art-card-meta {
      font-family: var(--mono); font-size: 0.58rem; color: var(--gray-light);
      display: flex; justify-content: space-between; align-items: center;
      padding-top: 12px; border-top: 1px solid var(--border); position: relative; z-index: 1;
    }
.inline-read-btn {
      display: inline-flex; align-items: center; gap: 5px;
      font-family: var(--mono); font-size: 0.6rem; font-weight: 700;
      letter-spacing: 0.08em; text-transform: uppercase; color: var(--blue);
      background: none; border: none; cursor: pointer; padding: 0; transition: gap 0.15s;
    }
.inline-read-btn:hover { gap: 9px; }
.art-card.hidden { display: none; }
/* Load More */
    .load-more-wrap { text-align: center; padding: 36px 0; }
.load-more-btn {
      display: inline-flex; align-items: center; gap: 10px;
      padding: 12px 32px; font-family: var(--mono); font-size: 0.72rem; font-weight: 700;
      letter-spacing: 0.1em; text-transform: uppercase;
      background: transparent; color: var(--charcoal);
      border: 1.5px solid var(--charcoal); cursor: pointer; transition: all 0.15s;
    }
.load-more-btn:hover { background: var(--charcoal); color: var(--cream); }
.load-more-btn.hidden { display: none; }
#load-more-info { font-family: var(--mono); font-size: 0.6rem; color: var(--gray-light); letter-spacing: 0.08em; margin-top: 10px; }
/* ── ANIMATED EQUATIONS SECTION ─────────────────────── */
    .eq-section {
      background: var(--charcoal); padding: 64px 0;
      position: relative; overflow: hidden;
    }
.eq-section-header { margin-bottom: 40px; }
.eq-section-title {
      font-family: var(--mono); font-size: clamp(1.4rem, 2.5vw, 2.2rem);
      font-weight: 700; color: white; line-height: 1.1; letter-spacing: -0.01em;
    }
.eq-section-title em { color: var(--blue); font-style: normal; }
.eq-section-sub {
      font-family: var(--sans); font-size: 0.82rem;
      color: rgba(255,255,255,0.35); max-width: 500px; margin-top: 10px; line-height: 1.7;
    }
.eq-grid {
      display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
      background: rgba(255,255,255,0.06);
    }
@media (max-width: 768px) { .eq-grid { grid-template-columns: 1fr; } }
.eq-panel {
      background: var(--charcoal); padding: 32px 28px;
      border: 1px solid rgba(255,255,255,0.06);
      display: flex; flex-direction: column; gap: 16px;
    }
.eq-panel-title { font-family: var(--mono); font-size: 0.72rem; font-weight: 700; color: white; letter-spacing: 0.04em; }
.eq-panel-formula {
      font-family: var(--mono); font-size: clamp(0.8rem, 1.5vw, 1.05rem);
      color: var(--blue); background: rgba(59,130,196,0.12); border: 1px solid rgba(59,130,196,0.25);
      padding: 14px 16px; letter-spacing: 0.02em; text-align: center;
    }
.eq-canvas-wrap { position: relative; }
canvas.eq-canvas { width: 100%; height: 180px; display: block; }
.eq-controls { display: flex; flex-direction: column; gap: 10px; }
.eq-slider-row { display: flex; align-items: center; gap: 10px; }
.eq-slider-label { font-family: var(--mono); font-size: 0.6rem; color: rgba(255,255,255,0.4); letter-spacing: 0.06em; width: 110px; flex-shrink: 0; }
.eq-slider-val { font-family: var(--mono); font-size: 0.68rem; font-weight: 700; color: var(--blue); width: 55px; text-align: right; flex-shrink: 0; }
input[type=range].eq-range {
      flex: 1; height: 3px; appearance: none; background: rgba(255,255,255,0.1);
      border-radius: 2px; outline: none; cursor: pointer;
    }
input[type=range].eq-range::-webkit-slider-thumb {
      appearance: none; width: 14px; height: 14px;
      background: var(--blue); border-radius: 0; cursor: pointer;
    }
input[type=range].eq-range::-moz-range-thumb {
      width: 14px; height: 14px; background: var(--blue); border-radius: 0; border: none; cursor: pointer;
    }
.eq-desc { font-family: var(--sans); font-size: 0.72rem; color: rgba(255,255,255,0.3); line-height: 1.6; }
.eq-result {
      font-family: var(--mono); font-size: 0.72rem; color: #5A9FD4;
      background: rgba(59,130,196,0.15); padding: 8px 12px;
      border-left: 3px solid #3B82C4; font-weight: 600;
    }
/* ── ARTICLE READER MODAL ────────────────────────────── */
    #article-overlay {
      display: none; position: fixed; inset: 0; z-index: 9000;
      background: rgba(26,26,24,0.88); backdrop-filter: blur(4px);
      overflow-y: auto;
    }
#article-overlay.open { display: block; }
@keyframes slideIn { from{opacity:0;transform:translateY(16px)} to{opacity:1;transform:translateY(0)} }
.article-reader {
      max-width: 780px; margin: 40px auto 60px; background: var(--cream);
      border: 1.5px solid var(--charcoal);
      animation: slideIn 0.3s ease forwards;
    }
.ar-header {
      background: var(--charcoal); padding: 24px 32px;
      display: flex; justify-content: space-between; align-items: flex-start;
      position: sticky; top: 0; z-index: 10;
    }
.ar-header-left { flex: 1; }
.ar-label { font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--blue); margin-bottom: 8px; display: block; }
.ar-title { font-family: var(--mono); font-size: clamp(0.95rem, 2vw, 1.2rem); font-weight: 700; color: white; line-height: 1.2; letter-spacing: -0.01em; }
.ar-close {
      background: none; border: 1px solid rgba(255,255,255,0.2); color: white;
      font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase;
      padding: 7px 14px; cursor: pointer; transition: background 0.15s; flex-shrink: 0; margin-left: 20px;
    }
.ar-close:hover { background: var(--blue); border-color: var(--blue); }
.ar-body { padding: 40px 36px; }
@media (max-width: 600px) { .ar-body { padding: 28px 20px; } .ar-header { padding: 20px; } }
.ar-body p { font-family: var(--sans); font-size: 0.88rem; line-height: 1.85; color: var(--gray-dark); margin-bottom: 20px; }
.ar-body h2 {
      font-family: var(--mono); font-size: 0.96rem; font-weight: 700; color: var(--charcoal);
      margin: 32px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); letter-spacing: -0.01em;
    }
.ar-body h3 { font-family: var(--mono); font-size: 0.82rem; font-weight: 700; color: var(--charcoal); margin: 22px 0 8px; }
.ar-pull {
      border-left: 3px solid var(--blue); padding: 14px 20px; margin: 24px 0;
      background: var(--cream-dark); font-family: var(--mono); font-size: 0.84rem;
      font-weight: 600; color: var(--charcoal); line-height: 1.5;
    }
.ar-data {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
      background: var(--charcoal); border: 1.5px solid var(--charcoal); margin: 24px 0;
    }
@media (max-width: 500px) { .ar-data { grid-template-columns: 1fr; } }
.ar-data-item { background: var(--cream); padding: 16px 14px; }
.ar-data-val { font-family: var(--mono); font-size: 1.3rem; font-weight: 700; color: var(--blue); display: block; margin-bottom: 4px; }
.ar-data-lbl { font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gray-mid); }
.ar-eq {
      text-align: center; padding: 18px; background: var(--charcoal); margin: 24px 0;
      font-family: var(--mono); font-size: clamp(0.82rem, 1.8vw, 1.1rem); color: var(--blue); letter-spacing: 0.04em;
    }
.ar-body ul, .ar-body ol { margin: 0 0 20px 22px; font-family: var(--sans); font-size: 0.88rem; color: var(--gray-dark); line-height: 1.8; }
.ar-body li { margin-bottom: 6px; }
.ar-refs {
      border-top: 1.5px solid var(--charcoal); padding-top: 28px; margin-top: 32px;
    }
.ar-refs-title { font-family: var(--mono); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray-mid); margin-bottom: 16px; }
.ar-refs ol { margin-left: 18px; }
.ar-refs li { font-family: var(--sans); font-size: 0.76rem; color: var(--gray-mid); line-height: 1.7; margin-bottom: 8px; }
.ar-refs a { color: var(--blue); text-decoration: none; }
.ar-refs a:hover { text-decoration: underline; }
.ar-footer {
      padding: 20px 36px; border-top: 1px solid var(--border);
      display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px;
    }
.ar-author { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.08em; color: var(--gray-mid); text-transform: uppercase; }
.ar-back {
      font-family: var(--mono); font-size: 0.62rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
      padding: 8px 16px; border: 1.5px solid var(--charcoal); background: none; color: var(--charcoal);
      cursor: pointer; transition: all 0.15s;
    }
.ar-back:hover { background: var(--charcoal); color: var(--cream); }
/* ── NEWSLETTER ──────────────────────────────────────── */
    .newsletter-box {
      background: var(--charcoal); padding: 48px;
      display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
    }
@media (max-width: 768px) { .newsletter-box { grid-template-columns: 1fr; padding: 36px 24px; } }
.nl-title { font-family: var(--mono); font-size: 1.2rem; font-weight: 700; color: white; margin-bottom: 8px; }
.nl-sub { font-family: var(--sans); font-size: 0.8rem; color: rgba(255,255,255,0.3); line-height: 1.65; }
.nl-form { display: flex; }
.nl-input {
      flex: 1; padding: 12px 14px; background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.1); color: white;
      font-family: var(--mono); font-size: 0.78rem;
    }
.nl-input::placeholder { color: rgba(255,255,255,0.2); }
.nl-input:focus { outline: none; border-color: var(--blue); }
.nl-btn {
      padding: 12px 20px; background: var(--blue); color: white; border: none;
      font-family: var(--mono); font-size: 0.7rem; font-weight: 700;
      letter-spacing: 0.1em; text-transform: uppercase; cursor: pointer; transition: background 0.15s;
    }
.nl-btn:hover { background: var(--blue-dim); }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
/* ── UTILITIES ───────────────────────────────────────── */
    .fade-up { opacity: 0; transform: translateY(18px); transition: opacity 0.55s ease, transform 0.55s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--cream-dark); }
::-webkit-scrollbar-thumb { background: var(--charcoal); }
@media (max-width: 600px) {
      .article-reader { margin: 0; border-left: none; border-right: none; }
    }

/* ════════════════════════════════════════════════════════════
   COMPREHENSIVE MOBILE FIXES — max-width: 480px & 640px
════════════════════════════════════════════════════════════ */

/* ── Global ── */
@media (max-width: 640px) {
  html { font-size: 13px; }
  .container { padding: 0 16px; }
  .section { padding: 40px 0; }
  h1, h2 { word-break: break-word; }
}

/* ── Main Nav ── */
@media (max-width: 640px) {
  .nav-logo { padding: 0 12px; }
  .nav-brand { font-size: 0.72rem; }
}

/* ── Hero ── */
@media (max-width: 640px) {
  .hero { min-height: 480px; height: auto; padding-bottom: 32px; }
  .hero-content { padding: 28px 16px 24px; }
  .hero-title { font-size: clamp(1.8rem, 8vw, 2.8rem) !important; }
  .hero-sub { font-size: 0.82rem; }
  .hero-cta-row { flex-direction: column; gap: 10px; }
  .hero-cta-row .btn-primary, .hero-cta-row .btn-outline { width: 100%; justify-content: center; }
  .hero-stats-bar { flex-direction: column; gap: 0; }
  .hero-stat-item { border-right: none !important; border-bottom: 1px solid rgba(255,255,255,0.08); padding: 14px 20px; }
  .hero-stat-item:last-child { border-bottom: none; }
}

/* ── Stats strip ── */
@media (max-width: 640px) {
  .stats-strip { grid-template-columns: repeat(2, 1fr) !important; }
}
@media (max-width: 380px) {
  .stats-strip { grid-template-columns: 1fr !important; }
}

/* ── Feature / Platform grid ── */
@media (max-width: 640px) {
  .feature-grid { grid-template-columns: 1fr !important; }
  .feature-card { padding: 20px 16px; }
}

/* ── Chart / Perf / Arch grids ── */
@media (max-width: 640px) {
  .chart-grid { grid-template-columns: 1fr !important; }
  .perf-grid { grid-template-columns: 1fr !important; }
  .arch-grid { grid-template-columns: 1fr !important; }
  .arch-row { flex-direction: column; gap: 8px; }
}

/* ── For grid (who it's for) ── */
@media (max-width: 640px) {
  .for-grid { grid-template-columns: 1fr !important; }
}

/* ── Program grid ── */
@media (max-width: 640px) {
  .program-grid { grid-template-columns: 1fr !important; }
}

/* ── Contact grid ── */
@media (max-width: 640px) {
  .contact-grid { grid-template-columns: 1fr !important; }
  .form-row { grid-template-columns: 1fr !important; }
}

/* ── Blog hero ── */
@media (max-width: 640px) {
  .blog-hero-inner { grid-template-columns: 1fr !important; }
  .blog-grid { grid-template-columns: 1fr !important; }
  .blog-featured { grid-template-columns: 1fr !important; }
  .blog-featured-visual { min-height: 160px; }
  .newsletter-box { grid-template-columns: 1fr !important; padding: 24px 16px; }
}

/* ── Insights Hero ── */
@media (max-width: 640px) {
  .insights-hero { min-height: auto; }
  .hero-body { grid-template-columns: 1fr !important; }
  .hero-left { padding: 28px 16px 24px; border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .hero-right { padding: 20px 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .hero-stat-panel { margin-bottom: 0; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 0; }
  .hero-stat { padding: 0 12px; }
  .hero-h1 { font-size: clamp(1.8rem, 7vw, 2.8rem); }
  .hero-topbar { font-size: 0.52rem; padding: 0 12px; }
}
@media (max-width: 420px) {
  .hero-right { grid-template-columns: 1fr; }
}

/* ── Subsection nav ── */
@media (max-width: 640px) {
  .subsection-nav { top: 48px; }
  .sub-btn { padding: 0 14px; font-size: 0.58rem; height: 40px; }
  .sub-count { display: none; }
}

/* ── Controls bar ── */
@media (max-width: 640px) {
  .controls-bar { flex-direction: column; align-items: flex-start; gap: 10px; }
  .controls-right { width: 100%; }
  .sort-btn { flex: 1; text-align: center; }
}

/* ── Featured article ── */
@media (max-width: 640px) {
  .featured-article { grid-template-columns: 1fr !important; }
  .featured-visual { min-height: 160px; border-right: none; border-bottom: 1.5px solid var(--charcoal); }
  .featured-content { padding: 20px 16px; }
  .featured-title { font-size: 0.95rem; }
  .featured-abstract { font-size: 0.78rem; }
  .read-btn { width: 100%; justify-content: center; margin-top: 14px; }
}

/* ── Article grid ── */
@media (max-width: 640px) {
  .article-grid { grid-template-columns: 1fr !important; }
  .art-card { padding: 18px 14px; }
}

/* ── Equation panels ── */
@media (max-width: 640px) {
  .eq-grid { grid-template-columns: 1fr !important; }
  .eq-panel { padding: 20px 16px; }
  .eq-panel-formula { font-size: 0.75rem; padding: 10px 12px; word-break: break-all; }
  .eq-slider-row { gap: 6px; }
  .eq-slider-label { width: 90px; font-size: 0.58rem; }
  .eq-slider-val { width: 44px; font-size: 0.62rem; }
  .eq-section { padding: 40px 0; }
  canvas.eq-canvas { height: 140px; }
}

/* ── Article reader modal ── */
@media (max-width: 640px) {
  .article-reader { margin: 0; border-left: none; border-right: none; border-top: none; }
  .ar-header { padding: 16px; position: sticky; top: 0; }
  .ar-title { font-size: 0.9rem; }
  .ar-body { padding: 20px 16px; }
  .ar-body p { font-size: 0.82rem; }
  .ar-body h2 { font-size: 0.88rem; }
  .ar-data { grid-template-columns: 1fr !important; }
  .ar-footer { padding: 14px 16px; flex-direction: column; gap: 10px; }
  .ar-back { width: 100%; text-align: center; }
}

/* ── Newsletter ── */
@media (max-width: 640px) {
  .nl-form { flex-direction: column; }
  .nl-input { width: 100%; }
  .nl-btn { width: 100%; padding: 12px; }
}

/* ── About page ── */
@media (max-width: 640px) {
  .about-hero { min-height: auto; padding: 40px 0 32px; }
  .about-hero-inner { grid-template-columns: 1fr !important; gap: 24px; }
  .story-grid { grid-template-columns: 1fr !important; }
  .team-grid { grid-template-columns: 1fr 1fr !important; }
  .values-grid { grid-template-columns: 1fr !important; }
}
@media (max-width: 420px) {
  .team-grid { grid-template-columns: 1fr !important; }
}

/* ── Legal page ── */
@media (max-width: 640px) {
  .legal-section { padding-bottom: 24px; margin-bottom: 24px; }
}

/* ── Footer ── */
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr !important; }
  .footer-bottom { flex-direction: column; gap: 6px; text-align: center; }
}

/* ── Touch targets — ensure all interactive elements are ≥44px tall ── */
@media (max-width: 640px) {
  .btn-primary, .btn-outline, .btn-orange,
  .nav-links a, .mobile-menu a,
  .sub-btn, .sort-btn, .load-more-btn,
  .read-btn, .ar-close, .ar-back,
  .nl-btn { min-height: 44px; }
  
  .inline-read-btn { min-height: 36px; display: inline-flex; align-items: center; }
}

/* ── Prevent horizontal overflow on small screens ── */
@media (max-width: 640px) {
  .eq-float, .featured-eq { display: none; }
  .hero-grid-bg { display: none; }
}