:root {
  --bg: #f7f8fc;
  --surface: #ffffff;
  --surface-2: #eef2f8;
  --ink: #16213a;
  --muted: #667085;
  --line: #dfe5ef;
  --primary: #315a9a;
  --primary-2: #5478b7;
  --mint: #d9e6f7;
  --lime: #e6c97a;
  --gold: #c59a45;
  --danger: #d36a5f;
  --deep: #152748;
  --deep-2: #1e3764;
  --shadow: 0 24px 70px rgba(24, 47, 88, .12);
  --shadow-sm: 0 12px 32px rgba(23, 43, 77, .08);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --container: 1180px;
  --font: "Alexandria", "Segoe UI", Tahoma, Arial, sans-serif;
}

html[data-theme="dark"] {
  --bg: #0f172a;
  --surface: #151f35;
  --surface-2: #1b2943;
  --ink: #f3f6fb;
  --muted: #a7b4c6;
  --line: #2b3b59;
  --primary: #7ea2d8;
  --primary-2: #9bb9e4;
  --mint: #44689f;
  --lime: #e4c76f;
  --deep: #0c1424;
  --deep-2: #17233b;
  --shadow: 0 24px 70px rgba(0, 0, 0, .34);
  --shadow-sm: 0 12px 32px rgba(0, 0, 0, .22);
}

@font-face {
  font-family: "Alexandria";
  src: url("../fonts/Alexandria-Variable.ttf") format("truetype-variations");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.75; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 108px 0; position: relative; }
.section-pad { padding: 150px 0 72px; }
.section-soft { background: var(--surface-2); }
.section-ink { background: var(--deep); color: #f3fbf7; }
.section-kicker { display: inline-block; color: var(--primary-2); font-size: 13px; font-weight: 800; letter-spacing: .02em; margin-bottom: 14px; }
.section-kicker.light { color: var(--lime); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.35; letter-spacing: -.025em; }
h2 { font-size: clamp(34px, 4.4vw, 58px); margin-bottom: 22px; }
h3 { font-size: 22px; }
p { color: var(--muted); }
.section-ink p, .privacy-section p, .roadmap-section p { color: #bad0c7; }
.section-head { max-width: 780px; margin-bottom: 52px; }
.section-head.center { text-align: center; margin-inline: auto; }
.section-head p { font-size: 18px; max-width: 670px; }
.section-head.center p { margin-inline: auto; }
.skip-link { position: fixed; top: -80px; right: 20px; z-index: 999; background: var(--ink); color: var(--surface); padding: 10px 16px; border-radius: 10px; }
.skip-link:focus { top: 12px; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 100; height: 82px; display: flex; align-items: center; background: color-mix(in srgb, var(--bg) 86%, transparent); backdrop-filter: blur(18px); border-bottom: 1px solid transparent; transition: .3s ease; }
.site-header.scrolled { height: 70px; border-bottom-color: var(--line); box-shadow: 0 8px 30px rgba(7, 45, 37, .05); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-mark { width: 43px; height: 43px; display: grid; place-items: center; border-radius: 15px 15px 15px 5px; color: #fff; background: var(--primary); box-shadow: 0 8px 22px rgba(11, 93, 75, .22); transform: rotate(-2deg); }
.brand-mark span { font-size: 24px; font-weight: 900; transform: rotate(2deg); }
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { font-size: 21px; }
.brand-copy small { color: var(--muted); font-size: 10px; margin-top: 4px; }
.desktop-nav { display: flex; align-items: center; gap: 28px; margin-right: auto; margin-left: auto; }
.desktop-nav a { color: var(--muted); font-size: 14px; font-weight: 700; position: relative; }
.desktop-nav a::after { content: ""; position: absolute; right: 0; left: 100%; bottom: -8px; height: 2px; background: var(--primary); transition: .25s ease; }
.desktop-nav a:hover, .desktop-nav a.active { color: var(--ink); }
.desktop-nav a:hover::after, .desktop-nav a.active::after { left: 0; }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.icon-button { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 13px; background: var(--surface); color: var(--ink); display: grid; place-items: center; cursor: pointer; transition: .2s ease; }
.icon-button:hover { transform: translateY(-2px); border-color: var(--primary); }
.theme-toggle .moon { display: none; }
[data-theme="dark"] .theme-toggle .sun { display: none; }
[data-theme="dark"] .theme-toggle .moon { display: inline; }
.menu-toggle { display: none; padding: 10px; gap: 4px; }
.menu-toggle span { display: block; height: 2px; width: 20px; background: currentColor; border-radius: 3px; transition: .25s; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-6px) rotate(-45deg); }
.mobile-menu { position: absolute; top: 100%; right: 0; left: 0; background: var(--surface); border-bottom: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.mobile-menu nav { display: grid; padding-block: 12px 24px; }
.mobile-menu a:not(.button) { padding: 11px 0; border-bottom: 1px solid var(--line); font-weight: 700; }
.mobile-menu .button { margin-top: 16px; }

.button { min-height: 50px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; border-radius: 14px; font-weight: 800; border: 1px solid transparent; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-3px); }
.button-sm { min-height: 42px; padding-inline: 17px; border-radius: 12px; font-size: 13px; }
.button-primary { background: var(--primary); color: #fff; box-shadow: 0 12px 28px rgba(11, 93, 75, .22); }
.button-primary:hover { background: var(--primary-2); box-shadow: 0 16px 34px rgba(11, 93, 75, .3); }
.button-ghost { background: var(--surface); border-color: var(--line); color: var(--ink); }
.button-secondary { background: color-mix(in srgb, var(--primary) 10%, var(--surface)); color: var(--primary); border-color: color-mix(in srgb, var(--primary) 20%, var(--line)); }
.button-light { background: #f4fff9; color: #073d32; }
.button-outline-light { background: transparent; border-color: rgba(255,255,255,.4); color: #fff; }

.hero { min-height: 800px; position: relative; background: radial-gradient(circle at 74% 28%, rgba(188,232,212,.34), transparent 28%), linear-gradient(180deg, var(--bg), var(--surface-2)); overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 82px 0 auto; height: 1px; background: linear-gradient(90deg, transparent, var(--line), transparent); }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.orb-one { width: 280px; height: 280px; background: rgba(216,239,141,.22); top: 90px; left: -100px; }
.orb-two { width: 160px; height: 160px; border: 1px solid rgba(11,93,75,.18); right: 45%; bottom: 110px; }
.hero-grid { display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 72px; position: relative; z-index: 2; }
.eyebrow { width: fit-content; display: inline-flex; align-items: center; gap: 10px; padding: 8px 13px; border: 1px solid color-mix(in srgb, var(--primary) 22%, var(--line)); background: color-mix(in srgb, var(--surface) 70%, transparent); border-radius: 999px; color: var(--primary); font-weight: 800; font-size: 12px; }
.pulse-dot { width: 8px; height: 8px; background: var(--primary-2); border-radius: 50%; box-shadow: 0 0 0 5px color-mix(in srgb, var(--primary) 14%, transparent); }
.hero h1 { font-size: clamp(48px, 6vw, 79px); margin: 24px 0; }
.hero h1 span { color: var(--primary); }
.hero-lead { font-size: 19px; max-width: 620px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 27px; }
.trust-row { display: flex; flex-wrap: wrap; gap: 18px; color: var(--muted); font-size: 12px; }
.trust-row span { display: inline-flex; gap: 7px; align-items: center; }
.trust-row b { width: 19px; height: 19px; display: grid; place-items: center; border-radius: 50%; background: var(--mint); color: var(--deep); font-size: 11px; }
.hero-visual { position: relative; min-width: 0; padding: 30px 0 38px; }
.app-window { background: var(--surface); border: 1px solid var(--line); border-radius: 26px; box-shadow: var(--shadow); overflow: hidden; transform: perspective(1400px) rotateY(2deg) rotateX(1deg); }
.app-bar { height: 60px; padding: 0 18px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.window-dots { display: flex; direction: ltr; gap: 5px; }
.window-dots i { width: 8px; height: 8px; border-radius: 50%; background: #d8e1dc; }
.window-dots i:nth-child(2) { background: var(--gold); }.window-dots i:nth-child(3) { background: var(--primary-2); }
.mini-brand { font-size: 13px; font-weight: 800; display: flex; gap: 6px; align-items: center; }
.mini-brand span, .mini-mark { width: 26px; height: 26px; display: grid; place-items: center; background: var(--primary); color: #fff; border-radius: 8px 8px 8px 3px; }
.status-pill { color: var(--primary); background: color-mix(in srgb, var(--mint) 42%, var(--surface)); border: 1px solid color-mix(in srgb, var(--primary) 18%, transparent); border-radius: 999px; padding: 4px 9px; font-size: 9px; font-weight: 800; }
.app-body { min-height: 420px; display: grid; grid-template-columns: 48px 1fr .8fr; direction: ltr; }
.app-sidebar { background: var(--deep); padding: 16px 10px; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.side-logo { color: #fff; font-weight: 900; }.app-sidebar i { width: 17px; height: 17px; border: 1px solid #57796f; border-radius: 5px; }.app-sidebar i.active { background: var(--lime); border-color: var(--lime); }
.paper-panel, .chat-panel { direction: rtl; padding: 22px; min-width: 0; }
.paper-panel { border-left: 1px solid var(--line); }
.file-title, .selected-file { display: flex; align-items: center; gap: 10px; }
.file-icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 11px; background: #e8f3ef; color: var(--primary); font-size: 9px; font-weight: 900; }
[data-theme="dark"] .file-icon { background: #163b30; }
.file-title div, .selected-file div { display: grid; line-height: 1.35; min-width: 0; }.file-title b, .selected-file b { font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }.file-title small, .selected-file small { color: var(--muted); font-size: 8px; }.file-title em { margin-right: auto; color: var(--primary); font-size: 10px; font-style: normal; }
.paper-lines { display: grid; gap: 9px; margin: 25px 0; }.paper-lines i { height: 7px; background: var(--line); border-radius: 10px; }.paper-lines i:nth-child(2){ width: 78%; }.paper-lines i:nth-child(4){ width: 88%; }.paper-lines i:nth-child(5){ width: 62%; }
.insight-card { background: var(--surface-2); padding: 14px; border-radius: 14px; border-right: 3px solid var(--primary); }.insight-card span { color: var(--primary); font-size: 8px; font-weight: 800; }.insight-card p { font-size: 9px; margin: 5px 0; }.insight-card a { color: var(--primary); font-size: 8px; font-weight: 800; }
.chat-title { display: flex; justify-content: space-between; font-size: 11px; font-weight: 800; }.chat-title i { width: 8px; height: 8px; border-radius: 50%; background: var(--primary-2); box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 15%, transparent); }
.bubble { max-width: 90%; padding: 10px 12px; margin: 18px 0 0; font-size: 9px; line-height: 1.6; border-radius: 13px; }.bubble.user { margin-right: auto; background: var(--primary); color: #fff; border-bottom-left-radius: 3px; }.bubble.ai { background: var(--surface-2); border-bottom-right-radius: 3px; }.bubble.ai b { color: var(--primary); }.bubble.ai p { font-size: 9px; margin: 3px 0; }.bubble.ai small { color: var(--primary); font-size: 7px; }
.chat-input { margin-top: 28px; border: 1px solid var(--line); border-radius: 12px; height: 38px; display: flex; align-items: center; justify-content: space-between; padding: 0 9px; color: var(--muted); font-size: 8px; }.chat-input b { width: 24px; height: 24px; display: grid; place-items: center; border-radius: 7px; background: var(--primary); color: #fff; }
.floating-note { position: absolute; z-index: 3; display: flex; align-items: center; gap: 10px; background: color-mix(in srgb, var(--surface) 92%, transparent); border: 1px solid var(--line); box-shadow: var(--shadow-sm); border-radius: 14px; padding: 11px 14px; backdrop-filter: blur(10px); }.floating-note > span { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; background: var(--mint); color: var(--deep); }.floating-note div { display: grid; line-height: 1.3; }.floating-note b { font-size: 11px; }.floating-note small { color: var(--muted); font-size: 8px; }.note-top { right: -30px; top: 3px; }.note-bottom { left: -24px; bottom: 0; }
.proof-strip { position: relative; z-index: 2; margin-top: 68px; background: color-mix(in srgb, var(--surface) 84%, transparent); border: 1px solid var(--line); border-radius: 22px; display: grid; grid-template-columns: repeat(4, 1fr); padding: 24px; box-shadow: var(--shadow-sm); backdrop-filter: blur(14px); }
.proof-strip div { display: grid; text-align: center; padding: 0 20px; border-left: 1px solid var(--line); }.proof-strip div:last-child { border-left: 0; }.proof-strip strong { color: var(--primary); font-size: 27px; }.proof-strip span { color: var(--muted); font-size: 11px; }

.split-heading { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: end; margin-bottom: 46px; }.split-heading p { font-size: 17px; }.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }.problem-card { position: relative; background: var(--surface); border: 1px solid var(--line); padding: 30px; border-radius: var(--radius-lg); min-height: 280px; transition: .25s; }.problem-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-sm); }.problem-card.danger { background: var(--deep); color: #fff; }.problem-card.danger p { color: #b9cec6; }.card-number { position: absolute; left: 24px; top: 22px; color: var(--line); font-weight: 900; }.danger .card-number { color: #496b62; }.card-icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 17px; background: var(--surface-2); color: var(--primary); font-size: 25px; margin-bottom: 28px; }.danger .card-icon { background: rgba(255,255,255,.1); color: var(--lime); }.problem-card p { margin-bottom: 0; }
.solution-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; }.solution-copy > p { font-size: 18px; }.check-list { list-style: none; padding: 0; display: grid; gap: 17px; margin: 28px 0 0; }.check-list li { display: flex; gap: 13px; }.check-list li > span { flex: 0 0 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: var(--mint); color: var(--deep); font-weight: 900; }.check-list div { display: grid; }.check-list small { color: var(--muted); }.solution-stack { position: relative; min-height: 420px; display: flex; flex-direction: column; justify-content: center; gap: 14px; padding: 30px; border-radius: var(--radius-xl); background: radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--mint) 52%, transparent), transparent 60%), var(--surface-2); }.stack-card { display: flex; align-items: center; gap: 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 18px 20px; box-shadow: var(--shadow-sm); position: relative; z-index: 2; }.stack-card > span { color: var(--primary); font-weight: 900; }.stack-card div { display: grid; }.stack-card small { color: var(--muted); }.stack-card i { margin-right: auto; font-style: normal; color: var(--primary); }.stack-a { transform: translateX(18px); }.stack-c { transform: translateX(-18px); }.stack-shield { position: absolute; left: -25px; top: 45%; width: 115px; height: 115px; border-radius: 34px 34px 34px 12px; background: var(--primary); color: #fff; display: grid; place-content: center; text-align: center; box-shadow: 0 24px 45px rgba(11,93,75,.28); z-index: 3; transform: rotate(-5deg); }.stack-shield * { transform: rotate(5deg); }.stack-shield small { opacity: .75; font-size: 9px; }

.modes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }.mode-card { padding: 30px; border: 1px solid #2f554a; background: rgba(255,255,255,.045); border-radius: var(--radius-lg); position: relative; overflow: hidden; }.mode-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: #41675c; }.mode-card.featured { background: #f4fff9; color: #0a3028; border-color: var(--lime); transform: translateY(-10px); box-shadow: 0 28px 70px rgba(0,0,0,.25); }.mode-card.featured::before { background: var(--lime); }.mode-top { display: flex; justify-content: space-between; align-items: center; }.mode-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 15px; background: rgba(255,255,255,.08); color: var(--lime); font-size: 22px; }.featured .mode-icon { background: #d9f1e5; color: var(--primary); }.mode-top small { color: #8ead9f; font-size: 9px; }.featured .mode-top small { color: var(--primary); }.mode-card h3 { font-size: 25px; margin: 24px 0 10px; direction: ltr; text-align: right; }.mode-card p { min-height: 92px; font-size: 14px; }.featured p { color: #5b716a; }.mode-card ul { padding-right: 18px; color: #d1dfda; font-size: 13px; display: grid; gap: 7px; }.featured ul { color: #435c54; }.mode-card li::marker { color: var(--lime); }.mode-tag { display: inline-block; margin-top: 15px; border: 1px solid #43695f; border-radius: 999px; padding: 5px 10px; font-size: 9px; font-weight: 800; }.featured .mode-tag { color: var(--primary); border-color: #b4d9c7; background: #e7f7ee; }
.workflow { display: grid; grid-template-columns: repeat(5, 1fr); position: relative; }.workflow::before { content: ""; position: absolute; right: 10%; left: 10%; top: 57px; height: 1px; background: var(--line); }.workflow-step { text-align: center; padding: 0 14px; position: relative; }.workflow-step > span { position: absolute; top: -5px; right: 12px; color: var(--line); font-size: 11px; font-weight: 900; }.workflow-icon { position: relative; z-index: 2; width: 74px; height: 74px; display: grid; place-items: center; margin: 20px auto; border: 1px solid var(--line); border-radius: 22px; background: var(--surface); color: var(--primary); font-size: 25px; box-shadow: var(--shadow-sm); }.workflow-step h3 { font-size: 17px; margin-bottom: 8px; }.workflow-step p { font-size: 12px; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }.feature-card { min-height: 255px; display: flex; flex-direction: column; padding: 26px; background: var(--surface); border: 1px solid var(--line); border-radius: 22px; position: relative; transition: .25s; overflow: hidden; }.feature-card:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--primary) 40%, var(--line)); box-shadow: var(--shadow-sm); }.feature-card > b { position: absolute; left: 20px; top: 18px; color: var(--line); font-size: 12px; }.feature-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 15px; background: var(--surface-2); color: var(--primary); font-size: 20px; margin-bottom: 26px; }.feature-card h3 { font-size: 19px; margin-bottom: 8px; }.feature-card p { font-size: 13px; margin-bottom: 0; }.feature-wide { grid-column: span 2; flex-direction: row; align-items: center; gap: 22px; min-height: 210px; background: var(--deep); color: #fff; }.feature-wide p { color: #b9cec6; max-width: 560px; }.feature-wide .feature-icon { flex: 0 0 66px; height: 66px; color: var(--deep); background: var(--lime); margin-bottom: 0; }.feature-wide > b { color: #41675d; }

.demo-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 80px; align-items: center; }.demo-copy > p { font-size: 17px; }.demo-points { display: grid; gap: 10px; margin: 26px 0; }.demo-points span { display: flex; align-items: center; gap: 11px; font-weight: 700; font-size: 13px; }.demo-points b { width: 28px; height: 28px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 9px; color: var(--primary); }.concept-note { display: flex; gap: 12px; padding: 15px; background: var(--surface-2); border-radius: 14px; }.concept-note > span { width: 28px; height: 28px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 800; }.concept-note p { font-size: 11px; margin: 0; }.concept-note strong { direction: ltr; display: inline-block; color: var(--ink); }
.interactive-demo { background: var(--surface); border: 1px solid var(--line); border-radius: 28px; box-shadow: var(--shadow); overflow: hidden; min-height: 560px; }.demo-head { height: 68px; display: flex; justify-content: space-between; align-items: center; padding: 0 22px; border-bottom: 1px solid var(--line); }.demo-head > div { display: flex; align-items: center; gap: 10px; }.demo-badge { padding: 5px 10px; border-radius: 999px; color: var(--primary); background: var(--surface-2); font-size: 9px; font-weight: 800; }.demo-body { padding: 26px; }.upload-zone { min-height: 435px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; border: 1.5px dashed color-mix(in srgb, var(--primary) 40%, var(--line)); border-radius: 20px; background: linear-gradient(145deg, color-mix(in srgb, var(--surface-2) 70%, transparent), var(--surface)); outline: none; transition: .2s; }.upload-zone:hover, .upload-zone:focus, .upload-zone.dragover { border-color: var(--primary); background: color-mix(in srgb, var(--mint) 18%, var(--surface)); }.upload-icon { width: 72px; height: 72px; display: grid; place-items: center; margin-bottom: 18px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-sm); color: var(--primary); border-radius: 23px; font-size: 30px; }.upload-zone h3 { margin-bottom: 5px; }.upload-zone p { font-size: 12px; margin-bottom: 20px; }.processing-view, .result-view { min-height: 435px; padding: 16px 8px; }.selected-file { padding: 12px; background: var(--surface-2); border-radius: 14px; }.selected-file em { font-style: normal; color: var(--primary); font-weight: 900; margin-right: auto; }.progress-track { height: 7px; border-radius: 10px; background: var(--line); overflow: hidden; margin: 23px 0 28px; }.progress-track i { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--primary), var(--lime)); border-radius: inherit; transition: width .35s ease; }.process-list { display: grid; gap: 10px; }.process-list > div { display: flex; align-items: center; gap: 12px; border: 1px solid var(--line); border-radius: 15px; padding: 13px; opacity: .45; transition: .3s; }.process-list > div.active { opacity: 1; border-color: color-mix(in srgb, var(--primary) 35%, var(--line)); }.process-list > div.done { opacity: 1; }.process-list > div.done > i { background: var(--primary); color: #fff; }.process-list > div > span { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 9px; background: var(--surface-2); color: var(--primary); font-weight: 900; }.process-list p { display: grid; margin: 0; line-height: 1.4; }.process-list small { color: var(--muted); font-size: 10px; }.process-list > div > i { margin-right: auto; width: 23px; height: 23px; display: grid; place-items: center; border-radius: 50%; font-style: normal; color: var(--muted); }.result-success { display: flex; gap: 11px; align-items: center; padding-bottom: 18px; border-bottom: 1px solid var(--line); }.result-success > span { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 13px; background: var(--mint); color: var(--deep); font-weight: 900; }.result-success > div { display: grid; line-height: 1.4; }.result-success small { color: var(--muted); font-size: 9px; max-width: 230px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }.result-success button { margin-right: auto; border: 0; background: transparent; color: var(--primary); cursor: pointer; font-weight: 800; font-size: 11px; }.result-summary { background: var(--surface-2); border-radius: 17px; padding: 20px; margin-top: 19px; border-right: 3px solid var(--primary); }.result-summary small { color: var(--primary); font-weight: 800; }.result-summary h3 { font-size: 18px; margin: 6px 0; }.result-summary p { font-size: 12px; margin: 0; }.result-chips { display: flex; flex-wrap: wrap; gap: 7px; margin: 16px 0; }.result-chips span { padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; font-size: 9px; color: var(--muted); }.sample-source { padding: 12px; border: 1px dashed var(--line); border-radius: 12px; }.sample-source b { color: var(--gold); font-size: 10px; }.sample-source p { margin: 2px 0 0; font-size: 10px; }

.privacy-section { background: var(--deep); color: #fff; overflow: hidden; }.privacy-section::before { content: ""; position: absolute; width: 500px; height: 500px; border-radius: 50%; background: #0f5849; filter: blur(110px); right: -220px; top: 0; opacity: .42; }.privacy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; position: relative; }.privacy-visual { min-height: 500px; display: grid; place-items: center; position: relative; }.privacy-rings { width: 380px; height: 380px; position: relative; display: grid; place-items: center; }.privacy-rings i { position: absolute; border: 1px solid #2c6658; border-radius: 50%; }.privacy-rings i:nth-child(1){ inset: 0; }.privacy-rings i:nth-child(2){ inset: 48px; border-style: dashed; animation: spin 28s linear infinite; }.privacy-rings i:nth-child(3){ inset: 95px; }.shield { width: 140px; height: 155px; display: grid; place-content: center; text-align: center; background: var(--lime); color: var(--deep); border-radius: 42px 42px 50px 50px; clip-path: polygon(50% 0, 94% 17%, 87% 74%, 50% 100%, 13% 74%, 6% 17%); }.shield span { font-size: 46px; font-weight: 900; line-height: 1; }.shield small { font-weight: 800; }.privacy-label { position: absolute; display: grid; padding: 10px 14px; background: rgba(255,255,255,.08); border: 1px solid #315f54; border-radius: 13px; backdrop-filter: blur(8px); line-height: 1.45; }.privacy-label b { font-size: 11px; }.privacy-label small { color: #8fb2a8; font-size: 8px; }.label-one { top: 65px; right: 0; }.label-two { bottom: 70px; left: 10px; }.label-three { top: 140px; left: -15px; }.privacy-copy > p { font-size: 17px; }.privacy-list { display: grid; margin-top: 26px; }.privacy-list > div { display: flex; gap: 15px; padding: 15px 0; border-top: 1px solid #285448; }.privacy-list > div > span { color: var(--lime); font-size: 10px; font-weight: 900; }.privacy-list p { display: grid; margin: 0; line-height: 1.45; }.privacy-list b { color: #fff; }.privacy-list small { color: #91ada5; margin-top: 4px; }
@keyframes spin { to { transform: rotate(360deg); } }
.comparison-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: center; }.comparison-copy > p { font-size: 17px; }.text-link { color: var(--primary); font-weight: 800; display: inline-flex; gap: 8px; }.compare-board { display: grid; grid-template-columns: 1fr 70px 1fr; align-items: center; gap: 12px; padding: 30px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 28px; }.compare-file { display: flex; align-items: center; gap: 10px; background: var(--surface); border: 1px solid var(--line); border-radius: 15px; padding: 13px; }.compare-file div { display: grid; line-height: 1.4; }.compare-file small { color: var(--muted); font-size: 9px; }.file-icon.alt { color: #8c6520; background: #fff4dc; }.compare-center { display: grid; place-items: center; color: var(--primary); }.compare-center span { font-size: 26px; }.compare-center small { font-size: 8px; }.compare-table { grid-column: 1 / -1; display: grid; margin-top: 10px; background: var(--surface); border: 1px solid var(--line); border-radius: 15px; overflow: hidden; }.compare-table > div { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 12px; align-items: center; padding: 12px 15px; border-bottom: 1px solid var(--line); }.compare-table > div:last-child { border-bottom: 0; }.compare-table span { font-size: 10px; color: var(--muted); }.compare-table i { height: 8px; border-radius: 5px; background: #dde8e3; }.compare-table i.high { background: var(--primary); }.compare-table i.mid { background: var(--mint); }
.audience-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }.audience-card { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 22px; text-align: center; position: relative; }.audience-card > span { position: absolute; top: 12px; left: 14px; color: var(--line); font-size: 10px; font-weight: 900; }.avatar { width: 60px; height: 60px; display: grid; place-items: center; border-radius: 50%; margin: 10px auto 20px; background: var(--surface-2); color: var(--primary); font-size: 22px; font-weight: 900; border: 1px solid var(--line); }.audience-card:nth-child(2n) .avatar { background: var(--deep); color: var(--lime); }.audience-card h3 { font-size: 16px; }.audience-card p { font-size: 11px; margin-bottom: 0; }
.architecture-section { background: linear-gradient(180deg, var(--bg), var(--surface-2)); }.architecture-map { display: grid; grid-template-columns: 1fr 50px 1fr 70px 1fr 50px 1fr; align-items: stretch; gap: 5px; }.arch-column { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 22px 18px; text-align: center; box-shadow: var(--shadow-sm); }.arch-column > strong { display: block; font-size: 15px; }.arch-column > small { color: var(--muted); font-size: 9px; }.arch-column > div { display: grid; gap: 7px; margin-top: 17px; direction: ltr; }.arch-column span { padding: 8px; background: var(--surface-2); border-radius: 9px; font-size: 9px; font-weight: 700; }.local-layer { border-color: color-mix(in srgb, var(--primary) 42%, var(--line)); }.cloud-layer { background: var(--deep); color: #fff; }.cloud-layer small { color: #9bb5ad; }.cloud-layer span { background: rgba(255,255,255,.08); }.arch-arrow { display: grid; place-content: center; color: var(--primary); font-size: 26px; }.arch-arrow.conditional { font-size: 22px; line-height: 1; }.arch-arrow small { display: block; font-size: 7px; color: var(--muted); margin-top: 4px; }.tech-notes { display: flex; flex-wrap: wrap; justify-content: center; gap: 9px; margin-top: 28px; }.tech-notes span { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 10px; }.tech-notes b { color: var(--ink); margin-left: 4px; }
.roadmap-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 100px; align-items: start; }.scope-label { width: 140px; height: 140px; border: 1px solid #37645a; border-radius: 50%; display: grid; place-content: center; text-align: center; margin-top: 40px; }.scope-label span { color: #9eb6af; font-size: 9px; }.scope-label b { color: var(--lime); font-size: 26px; direction: ltr; }.timeline { position: relative; display: grid; }.timeline::before { content: ""; position: absolute; top: 16px; bottom: 16px; right: 26px; width: 1px; background: #345c51; }.timeline > div { display: flex; gap: 20px; padding: 0 0 28px; position: relative; }.timeline > div > span { flex: 0 0 54px; height: 54px; display: grid; place-items: center; border-radius: 17px; background: var(--deep-2); border: 1px solid #38675a; color: var(--lime); font-weight: 900; z-index: 2; }.timeline p { display: grid; margin: 4px 0 0; }.timeline b { color: #fff; }.timeline small { color: #8eaaa1; margin-top: 4px; }
.team-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: center; }.team-copy > p { font-size: 17px; }.proposal-stamp { display: inline-grid; padding: 14px 18px; border: 1px solid var(--line); border-radius: 14px; direction: ltr; line-height: 1.5; margin-top: 15px; }.proposal-stamp span { color: var(--primary); font-size: 9px; font-weight: 800; }.proposal-stamp b { font-size: 11px; }.team-cards { display: grid; gap: 13px; }.team-cards article { display: flex; align-items: center; gap: 15px; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }.team-avatar { width: 56px; height: 56px; display: grid; place-items: center; border-radius: 17px; background: var(--surface-2); color: var(--primary); font-size: 22px; font-weight: 900; }.team-cards article div:nth-child(2) { display: grid; line-height: 1.5; }.team-cards h3 { margin: 0; font-size: 17px; }.team-cards p { margin: 0; font-size: 11px; }.team-cards article > span { margin-right: auto; color: var(--line); font-weight: 900; }.university-card { display: flex; align-items: center; gap: 14px; padding: 17px; background: var(--deep); color: #fff; border-radius: 18px; }.uni-mark { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; background: var(--lime); color: var(--deep); font-weight: 900; }.university-card div { display: grid; }.university-card small { color: #a9c0b8; }
.faq-grid { display: grid; grid-template-columns: .65fr 1.35fr; gap: 80px; align-items: start; }.accordion { display: grid; gap: 10px; }.accordion details { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 0 19px; }.accordion summary { list-style: none; cursor: pointer; min-height: 65px; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-weight: 800; }.accordion summary::-webkit-details-marker { display: none; }.accordion summary span { font-size: 23px; color: var(--primary); transition: .2s; }.accordion details[open] summary span { transform: rotate(45deg); }.accordion details p { padding: 0 0 18px; margin: 0; font-size: 13px; }
.final-cta { padding: 90px 0; background: var(--bg); }.cta-card { min-height: 360px; background: linear-gradient(130deg, var(--deep), #0e6855); color: #fff; border-radius: 34px; padding: 60px; display: grid; grid-template-columns: 1.3fr .7fr; gap: 60px; align-items: center; position: relative; overflow: hidden; box-shadow: var(--shadow); }.cta-card > *:not(.cta-shape) { position: relative; z-index: 2; }.cta-shape { position: absolute; width: 440px; height: 440px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; left: -120px; top: -180px; box-shadow: 0 0 0 65px rgba(255,255,255,.035), 0 0 0 130px rgba(255,255,255,.02); }.cta-card > div > span { color: var(--lime); font-weight: 800; font-size: 11px; }.cta-card h2 { font-size: clamp(34px, 4vw, 54px); margin: 12px 0; }.cta-card p { color: #c2d8d0; max-width: 650px; }.cta-actions { display: grid; gap: 10px; }.cta-actions small { text-align: center; color: #9fbab1; font-size: 8px; }
.site-footer { background: #041b16; color: #e8f5f0; padding: 65px 0 25px; }.brand-light .brand-copy small { color: #8fac9f; }.footer-top { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: start; gap: 50px; padding-bottom: 45px; }.footer-top nav { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; color: #a9c0b8; font-size: 12px; }.footer-top nav a:hover { color: #fff; }.footer-top > p { color: #8fac9f; font-size: 11px; text-align: left; }.footer-bottom { border-top: 1px solid #18372f; padding-top: 22px; display: flex; justify-content: space-between; color: #75958a; font-size: 9px; }
.toast { position: fixed; left: 24px; bottom: 24px; z-index: 500; max-width: 390px; display: flex; align-items: flex-start; gap: 11px; padding: 14px 16px; background: var(--ink); color: var(--surface); border-radius: 14px; box-shadow: var(--shadow); transform: translateY(130%); opacity: 0; transition: .35s ease; }.toast.show { transform: translateY(0); opacity: 1; }.toast > span { width: 24px; height: 24px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 50%; background: var(--lime); color: var(--deep); font-weight: 900; }.toast p { margin: 0; color: inherit; font-size: 11px; }

/* Calm academic palette refinements */
.site-header.scrolled { box-shadow: 0 8px 30px rgba(21, 39, 72, .05); }
.brand-mark,
.button-primary { box-shadow: 0 10px 26px rgba(49, 90, 154, .2); }
.button-primary:hover { box-shadow: 0 16px 34px rgba(49, 90, 154, .28); }
.button-light { background: #f9fbff; color: #193967; }
.hero { background: radial-gradient(circle at 74% 28%, rgba(196, 214, 239, .46), transparent 29%), linear-gradient(180deg, var(--bg), var(--surface-2)); }
.orb-one { background: rgba(230, 201, 122, .18); }
.orb-two { border-color: rgba(49, 90, 154, .18); }
.app-sidebar i { border-color: #6f809d; }
[data-theme="dark"] .file-icon { background: #243a5e; }
.problem-card.danger p,
.feature-wide p { color: #cbd4e1; }
.danger .card-number,
.feature-wide > b { color: #5d7294; }
.stack-shield { box-shadow: 0 24px 45px rgba(49, 90, 154, .25); }
.mode-card { border-color: #405678; }
.mode-card::before { background: #5e7394; }
.mode-card.featured { background: #f8faff; color: #1a2a49; }
.featured .mode-icon { background: #e4ecf8; }
.mode-top small { color: #a5b4c8; }
.featured p { color: #66738a; }
.mode-card ul { color: #dbe1ea; }
.featured ul { color: #52627a; }
.mode-tag { border-color: #566d90; }
.featured .mode-tag { border-color: #c8d6ea; background: #eef3fb; }
.privacy-section::before { background: #2a4f89; }
.privacy-rings i { border-color: #3c5f92; }
.privacy-label { border-color: #455f88; }
.privacy-label small { color: #a8b7cb; }
.privacy-list > div { border-top-color: #354d75; }
.privacy-list small { color: #aab7ca; }
.scope-label { border-color: #496589; }
.scope-label span { color: #aab5c4; }
.timeline::before { background: #435c82; }
.timeline > div > span { border-color: #4b6792; }
.timeline small { color: #9facbf; }
.cta-card { background: linear-gradient(130deg, var(--deep), #456ba8); }
.cta-card p { color: #d0d8e4; }
.cta-actions small { color: #b8c4d4; }
.site-footer { background: #0d1728; color: #eef2f8; }
.brand-light .brand-copy small,
.footer-top > p { color: #9eabc0; }
.footer-top nav { color: #b7c0cf; }
.footer-bottom { border-top-color: #263754; color: #8290a8; }

.hero-visual .app-window { animation: float-soft 7s ease-in-out infinite; }
.note-top { animation: note-float 6.5s ease-in-out infinite; }
.note-bottom { animation: note-float 7.5s ease-in-out 1.2s infinite reverse; }
.orb-one { animation: orb-drift 12s ease-in-out infinite; }
.orb-two { animation: orb-drift 15s ease-in-out 1.5s infinite reverse; }
.pulse-dot { animation: pulse-soft 2.8s ease-in-out infinite; }
.shield { animation: shield-breathe 5.5s ease-in-out infinite; }
.problem-grid .reveal:nth-child(2),
.modes-grid .reveal:nth-child(2),
.features-grid .reveal:nth-child(2),
.audience-grid .reveal:nth-child(2) { transition-delay: .07s; }
.problem-grid .reveal:nth-child(3),
.modes-grid .reveal:nth-child(3),
.features-grid .reveal:nth-child(3),
.audience-grid .reveal:nth-child(3) { transition-delay: .14s; }
.features-grid .reveal:nth-child(4),
.audience-grid .reveal:nth-child(4) { transition-delay: .08s; }
.features-grid .reveal:nth-child(5),
.audience-grid .reveal:nth-child(5) { transition-delay: .15s; }

@keyframes float-soft {
  0%, 100% { transform: perspective(1400px) rotateY(2deg) rotateX(1deg) translateY(0); }
  50% { transform: perspective(1400px) rotateY(2deg) rotateX(1deg) translateY(-7px); }
}
@keyframes note-float {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -6px; }
}
@keyframes orb-drift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(12px, -10px, 0) scale(1.04); }
}
@keyframes pulse-soft {
  0%, 100% { box-shadow: 0 0 0 5px color-mix(in srgb, var(--primary) 14%, transparent); }
  50% { box-shadow: 0 0 0 9px color-mix(in srgb, var(--primary) 5%, transparent); }
}
@keyframes shield-breathe {
  0%, 100% { filter: drop-shadow(0 10px 20px rgba(8, 22, 50, .08)); }
  50% { filter: drop-shadow(0 16px 28px rgba(8, 22, 50, .17)); }
}

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } .reveal { opacity: 1; transform: none; } }

@media (max-width: 1050px) {
  .desktop-nav { display: none; }.menu-toggle { display: grid; }.desktop-cta { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 35px; }.hero-copy { max-width: 760px; }.hero-visual { width: min(100%, 760px); margin-inline: auto; }
  .split-heading, .solution-grid, .demo-grid, .privacy-grid, .comparison-grid, .team-grid, .faq-grid, .roadmap-grid { gap: 55px; }
  .workflow { grid-template-columns: repeat(3, 1fr); gap: 25px 0; }.workflow::before { display: none; }
  .audience-grid { grid-template-columns: repeat(3, 1fr); }.architecture-map { grid-template-columns: 1fr 32px 1fr; gap: 8px; }.architecture-map .arch-arrow:nth-of-type(2) { display: none; }.architecture-map .backend-layer { grid-row: 2; grid-column: 3; }.architecture-map .cloud-layer { grid-row: 2; grid-column: 1; }.architecture-map .arch-arrow:last-of-type { grid-row: 2; grid-column: 2; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 28px), var(--container)); }.section { padding: 76px 0; }.section-pad { padding: 124px 0 58px; }
  .hero { min-height: auto; }.hero h1 { font-size: clamp(43px, 13vw, 62px); }.hero-lead { font-size: 16px; }.hero-actions .button { width: 100%; }.trust-row { gap: 10px; }
  .app-window { transform: none; animation: float-mobile 7s ease-in-out infinite; }.app-body { grid-template-columns: 38px 1fr; }.chat-panel { display: none; }.paper-panel { border-left: 0; padding: 17px; }.app-body { min-height: 350px; }.floating-note { transform: scale(.9); }.note-top { right: -4px; }.note-bottom { left: -4px; }
  .proof-strip { grid-template-columns: 1fr 1fr; gap: 20px 0; margin-top: 48px; }.proof-strip div:nth-child(2) { border-left: 0; }.proof-strip div:nth-child(-n+2) { padding-bottom: 18px; border-bottom: 1px solid var(--line); }
  .split-heading, .solution-grid, .demo-grid, .privacy-grid, .comparison-grid, .team-grid, .faq-grid, .roadmap-grid { grid-template-columns: 1fr; gap: 38px; }.split-heading { align-items: start; }
  .problem-grid, .modes-grid, .features-grid { grid-template-columns: 1fr; }.mode-card.featured { transform: none; }.feature-wide { grid-column: auto; flex-direction: column; align-items: flex-start; }.solution-stack { min-height: 380px; padding: 20px; }.stack-shield { width: 90px; height: 90px; left: -7px; }.stack-card { padding-left: 70px; }
  .workflow { grid-template-columns: 1fr 1fr; }.workflow-step:last-child { grid-column: 1 / -1; max-width: 50%; margin-inline: auto; }
  .interactive-demo { min-height: 540px; }.upload-zone { min-height: 420px; }.demo-body { padding: 16px; }
  .privacy-grid { display: flex; flex-direction: column-reverse; }.privacy-visual { width: 100%; min-height: 420px; }.privacy-rings { width: 310px; height: 310px; }.label-three { left: 0; }.label-one { right: 0; }
  .compare-board { grid-template-columns: 1fr; padding: 19px; }.compare-center { padding: 2px; }.compare-center span { transform: rotate(90deg); }.compare-table { grid-column: auto; }.audience-grid { grid-template-columns: 1fr 1fr; }.audience-card:last-child { grid-column: 1 / -1; }
  .architecture-map { grid-template-columns: 1fr; }.architecture-map .arch-column, .architecture-map .backend-layer, .architecture-map .cloud-layer { grid-row: auto; grid-column: auto; }.arch-arrow, .architecture-map .arch-arrow:last-of-type { grid-row: auto; grid-column: auto; transform: rotate(-90deg); height: 30px; }.architecture-map .arch-arrow:nth-of-type(2) { display: grid; }.arch-arrow.conditional small { transform: rotate(90deg); margin: 0 7px; }
  .roadmap-copy { text-align: center; }.scope-label { margin-inline: auto; }.cta-card { grid-template-columns: 1fr; padding: 40px 24px; gap: 30px; text-align: center; }.footer-top { grid-template-columns: 1fr; gap: 30px; }.footer-top > p { text-align: right; }.footer-bottom { display: grid; gap: 7px; }
}

@keyframes float-mobile {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@media (max-width: 430px) {
  .site-header { height: 72px; }.brand-copy small { display: none; }
  .hero h1 { font-size: 42px; }.eyebrow { font-size: 10px; }.floating-note { position: static; margin: 8px 0; width: fit-content; }.hero-visual { padding-top: 0; }.app-bar { padding: 0 11px; }.status-pill { font-size: 7px; }
  .proof-strip { padding: 18px 8px; }.proof-strip div { padding-inline: 8px; }.proof-strip strong { font-size: 22px; }.proof-strip span { font-size: 9px; }
  h2 { font-size: 33px; }.problem-card { min-height: auto; }.workflow { grid-template-columns: 1fr; }.workflow-step:last-child { grid-column: auto; max-width: none; }.audience-grid { grid-template-columns: 1fr; }.audience-card:last-child { grid-column: auto; }
  .privacy-rings { width: 260px; height: 260px; }.privacy-rings i:nth-child(2) { inset: 35px; }.privacy-rings i:nth-child(3) { inset: 70px; }.shield { width: 115px; height: 130px; }.privacy-label { transform: scale(.88); }.label-two { left: -10px; bottom: 38px; }.label-three { left: -12px; top: 95px; }
  .compare-table > div { grid-template-columns: 1.3fr .8fr .8fr; }.team-cards h3 { font-size: 14px; }.toast { left: 14px; right: 14px; bottom: 14px; }
}