:root {
    --bg: #f9f9f9;
    --bg2: #f2f2f2;
    --bg3: #e8e8e8;
    --card: #ffffff;
    --card2: #f6f6f6;
    --border: rgba(0,0,0,0.07);
    --border2: rgba(0,0,0,0.13);
    --accent: #2563eb;
    --accent2: #1d4ed8;
    --accent3: #059669;
    --text: #0a1020;
    --text2: #354060;
    --text3: #6a7d9a;
    --red: #dc2626;
    --font-display: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --glow: 0 0 40px rgba(37,99,235,0.13);
    --glow2: 0 0 80px rgba(37,99,235,0.08);
    --nav-bg: rgba(249,249,249,0.93);
    --nav-bg-scrolled: rgba(249,249,249,0.99);
    --dropdown-bg: #ffffff;
    --dropdown-shadow: 0 12px 40px rgba(0,0,0,0.10);
    --hero-grid-color: rgba(0,0,0,0.04);
    --hero-glow1: rgba(37,99,235,0.07);
    --hero-glow2c: rgba(5,150,105,0.05);
    --ticker-dot-pulse: rgba(5,150,105,0.4);
    --ticker-dot-pulse2: rgba(5,150,105,0);
    --outline-stroke: rgba(10,16,32,0.22);
    --log-ok-bg: rgba(5,150,105,0.12); --log-ok-text: #047857;
    --log-warn-bg: rgba(202,138,4,0.12); --log-warn-text: #92400e;
    --log-alert-bg: rgba(220,38,38,0.11); --log-alert-text: #b91c1c;
    --cta-bg: linear-gradient(135deg, #f4f4f4 0%, #efefef 50%, #f4f4f4 100%);
    --newsletter-bg: linear-gradient(135deg, rgba(37,99,235,0.10), rgba(37,99,235,0.05));
    --btn-primary-color: #ffffff;
    --btn-primary-hover: #1d4ed8;
    --btn-primary-shadow: rgba(37,99,235,0.32);
    --btn-outline-border: rgba(30,45,120,0.26);
    --mobile-menu-bg: rgba(249,249,249,0.99);
    --feat-icon-bg: rgba(37,99,235,0.10);
    --feat-icon-border: rgba(37,99,235,0.24);
    --contact-icon-bg: rgba(37,99,235,0.10);
    --contact-icon-border: rgba(37,99,235,0.24);
    --tag-bg: rgba(37,99,235,0.10);
    --tag-border: rgba(37,99,235,0.26);
  }

  [data-theme="dark"] {
    --bg: #071428;
    --bg2: #0b1d3a;
    --bg3: #102448;
    --card: #0e1f3d;
    --card2: #0c1a33;
    --border: rgba(96,165,250,0.12);
    --border2: rgba(96,165,250,0.24);
    --accent: #60a5fa;
    --accent2: #3b82f6;
    --accent3: #34d399;
    --text: #ddeeff;
    --text2: #7da8cc;
    --text3: #3a5a7a;
    --red: #fb7185;
    --glow: 0 0 40px rgba(96,165,250,0.14);
    --glow2: 0 0 80px rgba(96,165,250,0.08);
    --nav-bg: rgba(7,20,40,0.88);
    --nav-bg-scrolled: rgba(7,20,40,0.98);
    --dropdown-bg: #0b1d3a;
    --dropdown-shadow: 0 20px 60px rgba(0,10,30,0.7);
    --hero-grid-color: rgba(96,165,250,0.05);
    --hero-glow1: rgba(59,130,246,0.14);
    --hero-glow2c: rgba(52,211,153,0.07);
    --ticker-dot-pulse: rgba(52,211,153,0.45);
    --ticker-dot-pulse2: rgba(52,211,153,0);
    --outline-stroke: rgba(221,238,255,0.22);
    --log-ok-bg: rgba(52,211,153,0.12); --log-ok-text: #34d399;
    --log-warn-bg: rgba(251,191,36,0.11); --log-warn-text: #fbbf24;
    --log-alert-bg: rgba(251,113,133,0.13); --log-alert-text: #fb7185;
    --cta-bg: linear-gradient(135deg, #071428 0%, #0b1d3a 50%, #071428 100%);
    --newsletter-bg: linear-gradient(135deg, rgba(59,130,246,0.09), rgba(96,165,250,0.05));
    --btn-primary-color: #ffffff;
    --btn-primary-hover: #3b82f6;
    --btn-primary-shadow: rgba(96,165,250,0.35);
    --btn-outline-border: rgba(96,165,250,0.22);
    --mobile-menu-bg: rgba(7,20,40,0.99);
    --feat-icon-bg: rgba(96,165,250,0.10);
    --feat-icon-border: rgba(96,165,250,0.22);
    --contact-icon-bg: rgba(96,165,250,0.10);
    --contact-icon-border: rgba(96,165,250,0.22);
    --tag-bg: rgba(96,165,250,0.10);
    --tag-border: rgba(96,165,250,0.24);
  }

  /* ── THEME TRANSITION ── */
  *, *::before, *::after {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.2s ease;
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  html { scroll-behavior: smooth; }

  body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    overflow-x: hidden;
  }

  /* ── UTILITIES ── */
  .container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
  .tag {
    display: inline-flex; align-items: center; gap: 6px;
    font-family: var(--font-mono); font-size: 11px; font-weight: 500;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--accent); background: var(--tag-bg);
    border: 1px solid var(--tag-border); border-radius: 2px;
    padding: 5px 12px;
  }
  .tag::before { content: '//'; opacity: 0.5; }

  .section-header { margin-bottom: 40px; margin-top:100px }
  .section-header .tag { margin-bottom: 12px; }
  .section-header h2 {
    font-family: var(--font-display); font-size: clamp(32px, 4vw, 52px);
    font-weight: 800; line-height: 1.1; letter-spacing: -0.02em;
    color: var(--text);
  }
  .section-header h2 span { color: var(--accent); }
  .section-header p {
    margin-top: 10px; max-width: 540px;
    font-size: 17px; color: var(--text2); font-weight: 300; line-height: 1.7;
  }
  .section-header.center { text-align: center; }
  .section-header.center p { margin: 16px auto 0; }

  .btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 28px; border-radius: 3px; font-family: var(--font-body);
    font-size: 14px; font-weight: 500; letter-spacing: 0.02em;
    text-decoration: none; cursor: pointer; border: none;
    transition: all 0.25s ease; position: relative; overflow: hidden;
  }
  .btn-primary { background: var(--accent); color: var(--btn-primary-color); }
  .btn-primary::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
    opacity: 0; transition: opacity 0.2s;
  }
  .btn-primary:hover { background: var(--btn-primary-hover); transform: translateY(-1px); box-shadow: 0 8px 30px var(--btn-primary-shadow); }
  .btn-primary:hover::after { opacity: 1; }
  .btn-outline {
    background: transparent; color: var(--text);
    border: 1px solid var(--btn-outline-border);
  }
  .btn-outline:hover { border-color: var(--accent); color: var(--accent); }

  /* ── NAV ── */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: var(--nav-bg);
    backdrop-filter: blur(24px) saturate(1.4);
    border-bottom: 1px solid var(--border);
    transition: background 0.3s;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
	
  }
  .nav-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 68px; padding: 0 40px;
  }
  .nav-logo {
    display: flex; align-items: center; gap: 12px;
    text-decoration: none; flex-shrink: 0;
  }
  .logo-mark {
    width: 36px; height: 36px; position: relative;
    display: flex; align-items: center; justify-content: center;
  }
  .logo-mark svg { width: 36px; height: 36px; }
  .logo-text { display: flex; flex-direction: column; gap: 0px; }
  .logo-name {
    font-family: var(--font-display); font-size: 17px; font-weight: 800;
    color: var(--text); letter-spacing: -0.01em; line-height: 1;
  }
  .logo-sub {
    font-family: var(--font-mono); font-size: 9px; color: var(--accent);
    letter-spacing: 0.15em; text-transform: uppercase; line-height: 1; margin-top: 3px;
  }
  .nav-menu {
    display: flex; align-items: center; gap: 4px;
    list-style: none;
  }
  .nav-menu > li { position: relative; }
  .nav-menu > li > a, .nav-menu > li > span {
    display: flex; align-items: center; gap: 4px;
    padding: 8px 14px; border-radius: 3px;
    font-size: 13.5px; font-weight: 500; color: var(--text2);
    text-decoration: none; cursor: pointer; transition: color 0.2s;
    white-space: nowrap;
  }
  .nav-menu > li > a:hover, .nav-menu > li > span:hover { color: var(--text); }
  .nav-menu > li > span svg { width: 12px; height: 12px; transition: transform 0.2s; }
  .nav-menu > li:hover > span svg { transform: rotate(180deg); }

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--dropdown-bg);
  border: 1px solid var(--border2);
  border-radius: 6px;
  padding: 12px 8px;
  min-width: 200px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(5px);
  transition: all 0.2s ease;
  box-shadow: var(--dropdown-shadow);
}


  .nav-menu > li:hover .dropdown { opacity: 1; pointer-events: all; transform: translateY(0); }
  .dropdown a {
    display: block; padding: 9px 14px; border-radius: 4px;
    font-size: 13px; color: var(--text2); text-decoration: none;
    transition: all 0.15s;
  }
  .dropdown a:hover { color: var(--accent); background: rgba(0,80,230,0.05); }









  .nav-actions { display: flex; align-items: center; gap: 12px; }
  .nav-actions .btn { padding: 9px 20px; font-size: 13px; }

  /* ── HERO ── */
  #home {
    min-height: 100vh; display: flex; flex-direction: column; justify-content: center;
    padding: 90px 0 40px; position: relative; overflow: hidden;
  }
  .hero-bg {
    position: absolute; inset: 0; pointer-events: none; overflow: hidden;
  }
  .hero-grid {
    position: absolute; inset: 0;
    background-image:
      linear-gradient(var(--hero-grid-color) 1px, transparent 1px),
      linear-gradient(90deg, var(--hero-grid-color) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black 20%, transparent 80%);
  }
  .hero-glow {
    position: absolute; width: 800px; height: 800px;
    border-radius: 50%; filter: blur(120px);
    background: radial-gradient(circle, var(--hero-glow1) 0%, transparent 70%);
    top: -200px; right: -100px; pointer-events: none;
  }
  .hero-glow2 {
    position: absolute; width: 500px; height: 500px;
    border-radius: 50%; filter: blur(100px);
    background: radial-gradient(circle, var(--hero-glow2c) 0%, transparent 70%);
    bottom: 0; left: 10%;
  }
  .hero-ticker {
    display: flex; align-items: center; gap: 12px; margin-bottom: 18px;
  }
  .hero-ticker-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--accent3); animation: pulse 2s infinite;
  }
  @keyframes pulse {
    0%,100% { opacity: 1; box-shadow: 0 0 0 0 var(--ticker-dot-pulse); }
    50% { opacity: 0.7; box-shadow: 0 0 0 6px var(--ticker-dot-pulse2); }
  }
  .hero-ticker span {
    font-family: var(--font-mono); font-size: 11px; color: var(--accent3);
    letter-spacing: 0.1em; text-transform: uppercase;
  }

  /* ── HERO TWO-COLUMN LAYOUT ── */
  .hero-split {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 48px; align-items: center; position: relative; z-index: 1;
  }
  .hero-content { position: relative; z-index: 1; }
  .hero-headline {
    font-family: var(--font-display); font-size: clamp(38px, 4.5vw, 68px);
    font-weight: 800; line-height: 1.0; letter-spacing: -0.03em; color: var(--text);
    margin-bottom: 16px;
  }
  .hero-headline .accent { color: var(--accent); }
  .hero-headline .line2 {
    display: block;
    -webkit-text-stroke: 1.5px var(--outline-stroke);
    color: transparent;
  }
  .hero-sub {
    font-size: 16px; color: var(--text2); font-weight: 400;
    line-height: 1.75; margin-bottom: 28px;
  }
  .hero-actions { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
  .hero-actions .btn { padding: 15px 28px; font-size: 14px; }

  /* ── HERO IMAGE MOSAIC ── */
  .hero-visual {
    position: relative; z-index: 1;
  }
  .hero-mosaic {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    grid-template-rows: 200px 180px;
    gap: 10px;
  }
  .mosaic-img {
    border-radius: 10px; overflow: hidden; position: relative;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  }
  .mosaic-img img {
    width: 100%; height: 100%; object-fit: cover;
    display: block; transition: transform 0.5s ease;
  }
  .mosaic-img:hover img { transform: scale(1.04); }
  .mosaic-img.tall { grid-row: span 2; }
  .mosaic-img .mosaic-badge {
    position: absolute; bottom: 10px; left: 10px;
    background: rgba(0,0,0,0.55); backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.15); border-radius: 4px;
    padding: 5px 10px; font-family: var(--font-mono); font-size: 10px;
    color: #fff; letter-spacing: 0.08em; text-transform: uppercase;
    pointer-events: none;
  }
  .mosaic-img .mosaic-dot {
    position: absolute; top: 10px; right: 10px;
    width: 8px; height: 8px; border-radius: 50%;
    background: #22c55e; box-shadow: 0 0 0 2px rgba(34,197,94,0.3);
    animation: pulse 2s infinite;
  }

  /* Floating alert card */
  .hero-alert-card {
    position: absolute; bottom: -18px; left: -28px;
    background: var(--card); border: 1px solid var(--border2);
    border-radius: 10px; padding: 14px 18px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.14);
    display: flex; align-items: center; gap: 12px;
    min-width: 230px; z-index: 2;
  }
  .alert-card-icon {
    width: 36px; height: 36px; border-radius: 8px; flex-shrink: 0;
    background: rgba(220,38,38,0.10); border: 1px solid rgba(220,38,38,0.2);
    display: flex; align-items: center; justify-content: center; font-size: 16px;
  }
  .alert-card-text strong { display: block; font-size: 12px; font-weight: 700; color: var(--text); }
  .alert-card-text span { font-size: 11px; color: var(--text2); font-family: var(--font-mono); }

  /* Floating accuracy badge */
  .hero-badge-card {
    position: absolute; top: -18px; right: -20px;
    background: var(--card); border: 1px solid var(--border2);
    border-radius: 10px; padding: 12px 16px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
    display: flex; align-items: center; gap: 10px; z-index: 2;
  }
  .badge-ring {
    width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
    background: conic-gradient(var(--accent) 357deg, var(--bg3) 0deg);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display); font-size: 11px; font-weight: 800; color: var(--accent);
    position: relative;
  }
  .badge-ring::before {
    content: ''; position: absolute; inset: 5px; border-radius: 50%; background: var(--card);
  }
  .badge-ring span { position: relative; z-index: 1; }
  .badge-card-text strong { display: block; font-size: 13px; font-weight: 800; color: var(--text); font-family: var(--font-display); }
  .badge-card-text small { font-size: 11px; color: var(--text2); }

  .hero-stats {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 1px; margin-top: 40px; position: relative; z-index: 1;
    border: 1px solid var(--border); background: var(--border);
    border-radius: 4px; overflow: hidden;
  }
  .hero-stat {
    background: var(--bg2); padding: 20px 22px;
    position: relative; overflow: hidden;
  }
  .hero-stat::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0; transition: opacity 0.3s;
  }
  .hero-stat:hover::before { opacity: 1; }
  .stat-num {
    font-family: var(--font-display); font-size: 38px; font-weight: 800;
    color: var(--accent); letter-spacing: -0.03em; line-height: 1;
    margin-bottom: 6px;
  }
  .stat-label { font-size: 12px; color: var(--text2); line-height: 1.4; }

  @media (max-width: 1024px) {
    .hero-split { grid-template-columns: 1fr; gap: 48px; }
    .hero-visual { display: none; }
  }

  /* Marquee ticker */
  .ticker-bar {
    background: var(--card); border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border); padding: 12px 0;
    overflow: hidden; position: relative;
  }
  .ticker-inner {
    display: flex; gap: 48px; width: max-content;
    animation: ticker 30s linear infinite;
  }
  @keyframes ticker {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
  }
  .ticker-item {
    display: flex; align-items: center; gap: 10px;
    font-family: var(--font-mono); font-size: 11px; color: var(--text3);
    text-transform: uppercase; letter-spacing: 0.1em; white-space: nowrap;
  }
  .ticker-item::before { content: '◆'; color: var(--accent); font-size: 7px; }

  /* ── ABOUT / WHAT IS SENTINEL ── */
  #sentinel { padding: 72px 0; }
  .sentinel-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
  }
  .sentinel-visual {
    position: relative; border-radius: 8px; overflow: hidden;
    background: var(--card); border: 1px solid var(--border);
    padding: 24px; min-height: 380px;
    display: flex; flex-direction: column; justify-content: space-between;
  }
  .sentinel-screen {
    background: var(--bg); border: 1px solid var(--border2); border-radius: 4px;
    padding: 20px; font-family: var(--font-mono); font-size: 11px;
    color: var(--text2); line-height: 1.8; flex: 1; margin-bottom: 20px;
    position: relative; overflow: hidden;
  }
  .sentinel-screen::before {
    content: '● ● ●'; position: absolute; top: 10px; left: 14px;
    font-size: 9px; letter-spacing: 4px; color: var(--text3);
  }
  .sentinel-screen-inner { margin-top: 24px; }
  .log-line { display: flex; gap: 12px; align-items: baseline; margin-bottom: 4px; }
  .log-ts { color: var(--text3); min-width: 80px; }
  .log-tag { 
    padding: 1px 6px; border-radius: 2px; font-size: 10px; font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.05em;
  }
  .log-tag.ok { background: var(--log-ok-bg); color: var(--log-ok-text); }
  .log-tag.warn { background: var(--log-warn-bg); color: var(--log-warn-text); }
  .log-tag.alert { background: var(--log-alert-bg); color: var(--log-alert-text); }
  .log-msg { color: var(--text2); }
  .sentinel-bars {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  }
  .s-bar { text-align: center; }
  .s-bar-label { font-size: 10px; color: var(--text3); font-family: var(--font-mono); margin-bottom: 6px; text-transform: uppercase; }
  .s-bar-track { height: 4px; background: var(--bg3); border-radius: 2px; overflow: hidden; }
  .s-bar-fill { height: 100%; border-radius: 2px; animation: fillBar 2s ease forwards; }
  @keyframes fillBar { from { width: 0 } }
  .s-bar-val { font-family: var(--font-mono); font-size: 12px; color: var(--accent); margin-top: 4px; }

  .sentinel-content .tag { margin-bottom: 12px; }
  .sentinel-content h2 {
    font-family: var(--font-display); font-size: clamp(30px, 3.5vw, 46px);
    font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; margin-bottom: 24px;
  }
  .sentinel-content h2 span { color: var(--accent); }
  .sentinel-content p { color: var(--text2); font-size: 16px; line-height: 1.75; margin-bottom: 16px; }
  .sentinel-pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
  .pill {
    padding: 7px 16px; border-radius: 100px;
    border: 1px solid var(--border2); font-size: 13px; color: var(--text2);
    background: rgba(0,200,255,0.04);
  }

  /* ── INDUSTRIES ── */
  #solutions { padding: 72px 0; background: var(--bg2); position: relative; }
  .industries-tabs {
    display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px;
    border-bottom: 1px solid var(--border); padding-bottom: 0;
  }
  .ind-tab {
    padding: 12px 20px; font-size: 14px; font-weight: 500;
    color: var(--text3); cursor: pointer; border-bottom: 2px solid transparent;
    transition: all 0.2s; margin-bottom: -1px; white-space: nowrap;
    background: none; border-top: none; border-left: none; border-right: none;
    font-family: var(--font-body);
  }
  .ind-tab:hover { color: var(--text2); }
  .ind-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

  .industry-panel { display: none; }
  .industry-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
  .ind-visual {
    background: var(--card); border: 1px solid var(--border); border-radius: 8px;
    min-height: 320px; display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
  }
  .ind-visual-icon { font-size: 80px; opacity: 0.15; }
  .ind-visual-label {
    position: absolute; bottom: 20px; left: 20px;
    font-family: var(--font-mono); font-size: 10px; color: var(--accent);
    letter-spacing: 0.1em; text-transform: uppercase;
  }
  .ind-num {
    font-family: var(--font-display); font-size: 80px; font-weight: 800;
    color: var(--border2); line-height: 1; position: absolute; top: 12px; right: 24px;
  }
  .ind-content h3 {
    font-family: var(--font-display); font-size: 28px; font-weight: 800;
    letter-spacing: -0.03em; margin-bottom: 16px; color: var(--text);
  }
  .ind-content p { color: var(--text2); line-height: 1.75; margin-bottom: 20px; }
  .ind-features { list-style: none; }
  .ind-features li {
    padding: 10px 0; border-bottom: 1px solid var(--border);
    font-size: 14px; color: var(--text2); display: flex; align-items: center; gap: 10px;
  }
  .ind-features li::before { content: '→'; color: var(--accent); font-size: 12px; flex-shrink: 0; }

  /* ── HOW IT WORKS ── */
  #how-it-works { padding: 72px 0; }
  .steps {
    display: grid; grid-template-columns: repeat(5, 1fr);
    position: relative; gap: 0;
  }
  .steps::before {
    content: ''; position: absolute; top: 48px; left: 10%; right: 10%;
    height: 1px; background: linear-gradient(90deg, transparent, var(--border2), transparent);
    z-index: 0;
  }
  .step {
    text-align: center; padding: 0 16px; position: relative; z-index: 1;
  }
  .step-icon-wrap {
    width: 96px; height: 96px; border-radius: 50%; margin: 0 auto 24px;
    background: var(--card); border: 1px solid var(--border2);
    display: flex; align-items: center; justify-content: center;
    font-size: 28px; position: relative;
    transition: all 0.3s;
  }
  .step:hover .step-icon-wrap {
    border-color: var(--accent); box-shadow: 0 0 30px rgba(0,200,255,0.2);
  }
  .step-num {
    position: absolute; top: -4px; right: -4px;
    width: 22px; height: 22px; background: var(--accent); color: #000;
    border-radius: 50%; font-family: var(--font-mono); font-size: 10px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
  }
  .step h4 {
    font-family: var(--font-display); font-size: 15px; font-weight: 700;
    letter-spacing: -0.01em; margin-bottom: 8px; color: var(--text);
  }
  .step p { font-size: 13px; color: var(--text2); line-height: 1.6; }

  /* ── PLATFORM FEATURES ── */
  #platform { padding: 72px 0; background: var(--bg2); }
  .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--border); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
  .feature-card {
    background: var(--card); padding: 26px 24px;
    transition: background 0.3s; position: relative; overflow: hidden;
  }
  .feature-card::after {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--accent2), var(--accent), var(--accent3));
    transform: scaleX(0); transform-origin: left; transition: transform 0.4s;
  }
  .feature-card:hover { background: var(--card2); }  .feature-card:hover::after { transform: scaleX(1); }
  .feat-icon {
    width: 52px; height: 52px; border-radius: 6px;
    background: rgba(0,80,230,0.07); border: 1px solid rgba(0,80,230,0.15);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; margin-bottom: 20px;
  }
  .feature-card h4 {
    font-family: var(--font-display); font-size: 18px; font-weight: 700;
    letter-spacing: -0.01em; margin-bottom: 12px; color: var(--text);
  }
  .feature-card p { font-size: 14px; color: var(--text2); line-height: 1.7; }
  .feature-card .feat-tag {
    margin-top: 16px; display: inline-block;
    font-family: var(--font-mono); font-size: 10px; color: var(--accent);
    letter-spacing: 0.08em; text-transform: uppercase;
  }

  /* ── CTA BAND ── */
  .cta-band {
    margin: 0; padding: 64px 0; position: relative; overflow: hidden;
    background: var(--cta-bg);
    border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  }
  .cta-band-glow {
    position: absolute; width: 600px; height: 300px;
    background: radial-gradient(ellipse, var(--tag-bg) 0%, transparent 70%);
    top: 50%; left: 50%; transform: translate(-50%, -50%);
    pointer-events: none;
  }
  .cta-content {
    position: relative; z-index: 1; text-align: center;
  }
  .cta-content h2 {
    font-family: var(--font-display); font-size: clamp(30px, 4vw, 54px);
    font-weight: 800; letter-spacing: -0.04em; line-height: 1.05; margin-bottom: 20px;
  }
  .cta-content h2 span { color: var(--accent); }
  .cta-content p { font-size: 16px; color: var(--text2); margin-bottom: 28px; max-width: 480px; margin-left: auto; margin-right: auto; }
  .cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
  .cta-btns .btn { padding: 17px 36px; font-size: 15px; }

  /* ── RECOGNITION ── */
  #recognition { padding: 64px 0; }
  .recognition-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: var(--border); border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
  .rec-card {
    background: var(--card); padding: 22px 18px; text-align: center;
    transition: background 0.2s;
  }
  .rec-card:hover { background: var(--card2); }
  .rec-icon { font-size: 36px; margin-bottom: 14px; }
  .rec-title { font-family: var(--font-display); font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
  .rec-body { font-size: 12px; color: var(--text2); line-height: 1.5; }
  .rec-year { font-family: var(--font-mono); font-size: 11px; color: var(--accent); margin-top: 8px; }

  /* ── TESTIMONIALS ── */
  #testimonials { padding: 64px 0; background: var(--bg2); }
  .testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .testi-card {
    background: var(--card); border: 1px solid var(--border); border-radius: 8px;
    padding: 24px; position: relative; overflow: hidden; transition: border-color 0.3s;
  }
  .testi-card:hover { border-color: var(--border2); }
  .testi-quote {
    font-size: 48px; color: var(--accent); line-height: 1; font-family: Georgia, serif;
    margin-bottom: 16px; opacity: 0.4;
  }
  .testi-card p { font-size: 15px; color: var(--text2); line-height: 1.75; margin-bottom: 24px; font-weight: 400; }
  .testi-author { display: flex; align-items: center; gap: 12px; }
  .testi-avatar {
    width: 40px; height: 40px; border-radius: 50%;
    background: linear-gradient(135deg, var(--accent2), var(--accent));
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display); font-size: 16px; font-weight: 800; color: white;
    flex-shrink: 0;
  }
  .testi-meta strong { display: block; font-size: 14px; font-weight: 600; color: var(--text); }
  .testi-meta span { font-size: 12px; color: var(--text3); }

  /* ── MEDIA ── */
  #newsroom { padding: 64px 0; }
  .press-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .press-card {
    background: var(--card); border: 1px solid var(--border); border-radius: 8px;
    padding: 28px; transition: all 0.3s; cursor: pointer; text-decoration: none;
    display: block;
  }
  .press-card:hover { border-color: var(--border2); transform: translateY(-4px); box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
  .press-source {
    font-family: var(--font-mono); font-size: 10px; color: var(--accent);
    text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 12px;
  }
  .press-card h4 {
    font-family: var(--font-display); font-size: 16px; font-weight: 700;
    color: var(--text); line-height: 1.4; margin-bottom: 12px;
  }
  .press-card p { font-size: 13px; color: var(--text2); line-height: 1.65; }
  .press-card .press-arrow {
    margin-top: 20px; font-size: 13px; color: var(--accent); display: flex; align-items: center; gap: 6px;
  }

  /* ── CONTACT ── */
  #contact { padding: 64px 0; background: var(--bg2); }
  .contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
  .contact-info h2 {
    font-family: var(--font-display); font-size: clamp(26px, 3vw, 40px);
    font-weight: 800; letter-spacing: -0.03em; margin-bottom: 16px; color: var(--text);
  }
  .contact-info h2 span { color: var(--accent); }
  .contact-info p { color: var(--text2); font-size: 16px; line-height: 1.7; margin-bottom: 36px; }
  .contact-items { display: flex; flex-direction: column; gap: 20px; }
  .contact-item {
    display: flex; align-items: flex-start; gap: 16px;
    padding: 20px; background: var(--card); border: 1px solid var(--border); border-radius: 6px;
  }
  .contact-item-icon {
    width: 40px; height: 40px; border-radius: 6px;
    background: var(--contact-icon-bg); border: 1px solid var(--contact-icon-border);
    display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0;
  }
  .contact-item-content strong { display: block; font-size: 12px; color: var(--text3); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 4px; }
  .contact-item-content span { font-size: 14px; color: var(--text2); }

  .contact-form { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 28px; }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .form-group { margin-bottom: 14px; }
  .form-group label {
    display: block; font-size: 12px; font-weight: 500; color: var(--text2);
    font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px;
  }
  .form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 12px 16px; background: var(--bg2);
    border: 1px solid var(--border); border-radius: 4px;
    font-family: var(--font-body); font-size: 14px; color: var(--text);
    transition: border-color 0.2s; outline: none; resize: vertical;
  }
  .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--accent); background: #fff;
  }
  .form-group select option { background: #fff; color: var(--text); }
  .form-group textarea { min-height: 100px; }
  .form-submit .btn { width: 100%; justify-content: center; padding: 15px; font-size: 15px; }

  /* ── FOOTER ── */
  footer {
    background: var(--bg); border-top: 1px solid var(--border); padding: 52px 0 28px;
  }
  .footer-grid {
    display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 36px;
  }
  .footer-brand p {
    font-size: 14px; color: var(--text2); line-height: 1.7; max-width: 280px; margin: 16px 0 24px;
  }
  .footer-badges { display: flex; gap: 12px; flex-wrap: wrap; }
  .badge {
    padding: 5px 12px; border: 1px solid var(--border);
    border-radius: 3px; font-family: var(--font-mono); font-size: 10px;
    color: var(--text3); letter-spacing: 0.08em; text-transform: uppercase;
  }
  .footer-col h5 {
    font-family: var(--font-display); font-size: 13px; font-weight: 700;
    letter-spacing: 0.05em; text-transform: uppercase; color: var(--text);
    margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--border);
  }
  .footer-col ul { list-style: none; }
  .footer-col ul li { margin-bottom: 10px; }
  .footer-col ul li a {
    font-size: 14px; color: var(--text2); text-decoration: none; transition: color 0.2s;
  }
  .footer-col ul li a:hover { color: var(--accent); }
  .footer-bottom {
    display: flex; align-items: center; justify-content: space-between;
    padding-top: 20px; border-top: 1px solid var(--border);
    font-size: 13px; color: var(--text3); flex-wrap: wrap; gap: 16px;
  }
  .footer-bottom a { color: var(--text3); text-decoration: none; transition: color 0.2s; }
  .footer-bottom a:hover { color: var(--accent); }
  .footer-links { display: flex; gap: 24px; }

  /* ── NEWSLETTER BANNER ── */
  .newsletter-band {
    background: var(--newsletter-bg);
    border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
    padding: 36px 0;
  }
  .newsletter-inner {
    display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap;
  }
  .newsletter-text h3 {
    font-family: var(--font-display); font-size: 22px; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 6px;
  }
  .newsletter-text p { font-size: 14px; color: var(--text2); }
  .newsletter-form { display: flex; gap: 12px; flex-wrap: wrap; }
  .newsletter-form input {
    padding: 12px 20px; background: var(--card); border: 1px solid var(--border2);
    border-radius: 3px; font-family: var(--font-body); font-size: 14px; color: var(--text);
    outline: none; min-width: 280px; transition: border-color 0.2s;
  }
  .newsletter-form input:focus { border-color: var(--accent); }
  .newsletter-form input::placeholder { color: var(--text3); }

  /* ── THEME TOGGLE BUTTON ── */
  .theme-toggle {
    width: 40px; height: 40px; border-radius: 50%;
    border: 1px solid var(--border2); background: var(--bg2);
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: all 0.25s ease; flex-shrink: 0; position: relative;
  }
  .theme-toggle:hover { background: var(--bg3); border-color: var(--accent); transform: rotate(15deg); }
  .theme-toggle .theme-icon-sun,
  .theme-toggle .theme-icon-moon {
    position: absolute; font-size: 16px; line-height: 1;
    transition: opacity 0.2s ease, transform 0.3s ease;
  }
  .theme-toggle .theme-icon-sun { color: #f59e0b; }
  .theme-toggle .theme-icon-moon { color: var(--accent); }
  /* Light mode: show moon (to switch to dark); hide sun */
  :root .theme-icon-sun { opacity: 0; transform: scale(0.5) rotate(90deg); }
  :root .theme-icon-moon { opacity: 1; transform: scale(1) rotate(0deg); }
  /* Dark mode: show sun (to switch to light); hide moon */
  [data-theme="dark"] .theme-icon-sun { opacity: 1; transform: scale(1) rotate(0deg); }
  [data-theme="dark"] .theme-icon-moon { opacity: 0; transform: scale(0.5) rotate(-90deg); }

  /* ── LANGUAGE PICKER ── */
  .lang-picker { position: relative; }
  .lang-btn {
    display: flex; align-items: center; gap: 6px;
    padding: 7px 12px; border-radius: 3px;
    border: 1px solid var(--border2); background: var(--bg2);
    font-family: var(--font-body); font-size: 13px; font-weight: 500;
    color: var(--text2); cursor: pointer; transition: all 0.2s; white-space: nowrap;
  }
  .lang-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--bg3); }
  .lang-btn .lang-flag { font-size: 15px; line-height: 1; }
  .lang-btn .lang-chevron { width: 10px; height: 10px; transition: transform 0.2s; opacity: 0.6; }
  .lang-picker:hover .lang-chevron { transform: rotate(180deg); }
  .lang-dropdown {
    position: absolute; top: calc(100% + 8px); right: 0;
    background: var(--dropdown-bg); border: 1px solid var(--border2);
    border-radius: 6px; padding: 6px; min-width: 160px;
    opacity: 0; pointer-events: none; transform: translateY(-8px);
    transition: all 0.2s ease; box-shadow: var(--dropdown-shadow); z-index: 10;
  }
  .lang-picker:hover .lang-dropdown { opacity: 1; pointer-events: all; transform: translateY(0); }
  .lang-option {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px; border-radius: 4px; cursor: pointer;
    font-size: 13px; color: var(--text2); transition: all 0.15s;
    border: none; background: none; width: 100%; text-align: left;
    font-family: var(--font-body);
  }
  .lang-option:hover { color: var(--accent); background: var(--tag-bg); }
  .lang-option.active { color: var(--accent); font-weight: 600; }
  .lang-option .lang-flag { font-size: 16px; }
  .lang-option .lang-name { flex: 1; }
  .lang-option .lang-native { font-size: 11px; color: var(--text3); }

  /* ── MOBILE NAV ── */
  .hamburger {
    display: none; flex-direction: column; gap: 5px; cursor: pointer;
    padding: 8px;
  }
  .hamburger span { width: 22px; height: 2px; background: var(--text); border-radius: 1px; transition: all 0.3s; }

  @media (max-width: 1024px) {
    .nav-menu, .nav-actions .btn-outline { display: none; }
    .hamburger { display: flex; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .sentinel-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .steps { grid-template-columns: repeat(3, 1fr); }
    .steps::before { display: none; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .recognition-grid { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid, .press-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .industry-panel.active { grid-template-columns: 1fr; }
  }
  @media (max-width: 640px) {
    .container { padding: 0 20px; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(1, 1fr); }
    .features-grid { grid-template-columns: 1fr; }
    .recognition-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .nav-inner { padding: 0 20px; }
  }

  /* ── SCROLL ANIMATIONS ── */
  .fade-up {
    opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .fade-up.visible { opacity: 1; transform: none; }

  /* ── MOBILE MENU OVERLAY ── */
  .mobile-menu {
    display: none; position: fixed; inset: 0; background: var(--mobile-menu-bg);
    backdrop-filter: blur(20px); z-index: 200; flex-direction: column;
    padding: 80px 32px 40px; overflow-y: auto;
  }
  .mobile-menu.open { display: flex; }
  .mobile-close {
    position: absolute; top: 20px; right: 24px; font-size: 24px; color: var(--text);
    cursor: pointer; background: none; border: none; font-family: var(--font-body);
  }
  .mobile-nav-link {
    display: block; padding: 16px 0; font-family: var(--font-display); font-size: 28px;
    font-weight: 800; color: var(--text2); text-decoration: none; letter-spacing: -0.02em;
    border-bottom: 1px solid var(--border); transition: color 0.2s;
  }
  .mobile-nav-link:hover { color: var(--accent); }
  .mobile-nav-cta { margin-top: 32px; }
  .mobile-nav-cta .btn { width: 100%; justify-content: center; padding: 17px; font-size: 16px; }