:root {
  --bg: var(--paper);
  --bg-elev: var(--surface-sunk);
  --bg-card: var(--surface);
  --bg-card-hover: #FAFCF9;
  --border: var(--line);
  --border-strong: var(--line-strong);
  --text: var(--ink);
  --text-2: var(--ink-muted);
  --text-3: var(--ink-faint);
  --accent: var(--brand);
  --accent-2: var(--brand-ink);
  --accent-soft: var(--brand-wash);
  --accent-glow: rgba(14,143,99,0.22);
  --red: var(--danger);
  --green: var(--brand);
  --amber: var(--warn);
  --radius: 10px;
  --radius-lg: 10px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --container: 1180px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; overflow-x: hidden; }
body { background: var(--bg); color: var(--text); font-family: var(--font-sans); font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; letter-spacing: -0.005em; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--accent); color: white; }
.section { max-width: var(--container); margin: 0 auto; padding: 120px 32px; border-top: 1px solid var(--border); }
.section:first-of-type { border-top: none; }
@media (max-width: 768px) { .section { padding: 80px 20px; } }

/* Nav */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 50; transition: background 0.2s, border-color 0.2s; border-bottom: 1px solid transparent; }
.nav-scrolled { background: rgba(255,255,255,0.88); backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px); border-bottom-color: var(--border); }
.nav-inner { max-width: var(--container); margin: 0 auto; padding: 14px 32px; display: flex; align-items: center; gap: 32px; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 500; }
.logo-mark { width: 26px; height: 26px; display: grid; place-items: center; background: var(--accent); color: white; border-radius: 6px; font-family: var(--font-mono); font-size: 11px; font-weight: 700; box-shadow: 0 0 24px var(--accent-glow); }
.logo-text { font-size: 14px; }
.nav-links { display: flex; gap: 28px; margin-left: auto; }
.nav-links a { font-size: 13px; color: var(--text-2); transition: color 0.15s; }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.lang-toggle { display: flex; background: var(--bg-card); border: 1px solid var(--border); border-radius: 7px; padding: 2px; }
.lang-toggle button { background: transparent; color: var(--text-2); border: 0; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em; padding: 4px 8px; border-radius: 5px; transition: background 0.15s, color 0.15s; }
.lang-toggle button.on { background: var(--border-strong); color: var(--text); }
@media (max-width: 900px) { .nav-links { display: none; } }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 8px; font-size: 14px; font-weight: 500; transition: all 0.15s; border: 1px solid transparent; white-space: nowrap; }
.btn-sm { padding: 7px 12px; font-size: 13px; }
.btn-lg { padding: 14px 22px; font-size: 15px; }
.btn-primary { background: var(--accent); color: white; box-shadow: 0 0 0 1px rgba(255,255,255,0.05) inset, 0 8px 24px -8px var(--accent-glow); }
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--bg-card); border-color: var(--text-3); }

/* Typography */
.kicker { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; color: var(--text-3); margin-bottom: 24px; text-transform: uppercase; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; color: var(--text-2); background: var(--bg-card); border: 1px solid var(--border); padding: 6px 10px; border-radius: 100px; margin-bottom: 28px; text-transform: uppercase; }
.pulse { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 var(--accent-glow); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 var(--accent-glow); } 70% { box-shadow: 0 0 0 10px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
.display { font-size: clamp(42px, 6vw, 76px); line-height: 1.02; letter-spacing: -0.035em; font-weight: 500; margin: 0 0 24px; }
.display-xl { font-size: clamp(48px, 7.5vw, 96px); }
.accent-gradient { background: linear-gradient(180deg, var(--ink) 0%, var(--accent-2) 110%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.h2 { font-size: clamp(30px, 3.6vw, 46px); line-height: 1.1; letter-spacing: -0.025em; font-weight: 500; margin: 0 0 24px; max-width: 840px; text-wrap: pretty; }
.lede { font-size: 18px; line-height: 1.6; color: var(--text-2); max-width: 680px; margin: 0 0 40px; text-wrap: pretty; }

/* Hero */
.hero { position: relative; padding: 160px 32px 80px; max-width: var(--container); margin: 0 auto; overflow: hidden; }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
.hero-inner.center { grid-template-columns: 1fr; text-align: center; justify-items: center; }
.hero-inner.center .hero-sub, .hero-inner.center .display { max-width: 1000px; }
.hero-inner.center .metrics { margin-top: 48px; }
.grid-bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(14,143,99,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(14,143,99,0.05) 1px, transparent 1px); background-size: 64px 64px; mask-image: radial-gradient(ellipse at 30% 20%, black 0%, transparent 70%); -webkit-mask-image: radial-gradient(ellipse at 30% 20%, black 0%, transparent 70%); pointer-events: none; }
.hero-sub { font-size: 19px; color: var(--text-2); max-width: 560px; margin: 0 0 32px; text-wrap: pretty; }
.hero-ctas { display: flex; gap: 12px; margin-bottom: 56px; flex-wrap: wrap; }
.hero.hero-b { max-width: none; min-height: 100vh; display: flex; align-items: center; padding: 150px 32px 72px; isolation: isolate; }
.hero.hero-b::before { content: ''; position: absolute; inset: 0; z-index: 0; background-image: linear-gradient(90deg, rgba(246,248,245,0.96) 0%, rgba(246,248,245,0.86) 30%, rgba(246,248,245,0.72) 62%, rgba(246,248,245,0.36) 100%), linear-gradient(180deg, rgba(246,248,245,0.54) 0%, rgba(246,248,245,0) 32%, rgba(246,248,245,0.82) 100%), url('assets/ai-vibes-site-hero-1920x1080.jpg'); background-size: cover; background-position: center; filter: saturate(0.96); }
.hero.hero-b::after { content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 140px; z-index: 0; background: linear-gradient(180deg, rgba(246,248,245,0), var(--bg)); pointer-events: none; }
.hero-b .grid-bg { display: none; }
.hero-b .hero-inner.center { width: 100%; max-width: var(--container); margin: 0 auto; text-align: left; justify-items: start; }
.hero-b .hero-inner.center .display, .hero-b .hero-inner.center .hero-sub { max-width: 720px; }
.hero-b .hero-ctas { margin-bottom: 0; }
.hero-b .sys-diagram.wide { max-width: 720px; margin: 44px 0 0; background: rgba(255,255,255,0.86); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.hero-b .hero-inner.center .metrics { max-width: 720px; margin-top: 40px; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; padding-top: 32px; border-top: 1px solid var(--border); max-width: 560px; }
.hero-inner.center .metrics { max-width: 720px; width: 100%; }
.metric-val { font-size: 32px; font-weight: 500; letter-spacing: -0.02em; color: var(--text); font-feature-settings: 'tnum'; }
.metric-label { font-size: 12px; color: var(--text-3); margin-top: 2px; text-wrap: balance; }
@media (max-width: 900px) { .hero-inner { grid-template-columns: 1fr; } .hero { padding-top: 120px; } }
@media (max-width: 768px) {
  .hero { padding: 120px 16px 60px; }
  .hero-inner.center .display, .hero-inner.center .hero-sub { max-width: 100%; }
  .display { font-size: clamp(32px, 8vw, 48px); letter-spacing: -0.02em; }
  .display-xl { font-size: clamp(36px, 9vw, 56px); }
  .hero-sub { font-size: 16px; margin-bottom: 24px; }
  .hero-ctas { width: 100%; }
  .hero-ctas .btn { flex: 1 1 auto; justify-content: center; text-align: center; }
  .hero.hero-b { min-height: 100vh; padding: 120px 18px 58px; align-items: flex-end; }
  .hero.hero-b::before { background-position: 62% center; }
  .hero-b .hero-inner.center { text-align: left; justify-items: start; }
  .hero-b .sys-diagram.wide { margin-top: 34px; }
}
@media (max-width: 480px) {
  .hero { padding: 100px 12px 48px; }
  .display { font-size: clamp(28px, 9vw, 40px); }
  .display-xl { font-size: clamp(32px, 10vw, 48px); }
  .eyebrow { font-size: 11px; }
}

/* Robot */
.robot-stage { width: 100%; max-width: 520px; margin: 56px auto 0; aspect-ratio: 1 / 0.85; position: relative; perspective: 900px; }
.robot-stage.inline { margin: 0; }
.robot-glow { position: absolute; inset: 10% 10% 0 10%; background: radial-gradient(ellipse at 50% 50%, var(--accent-glow) 0%, transparent 60%); filter: blur(40px); pointer-events: none; }
/* model-viewer robot */
.mv-robot { width: 100%; height: 100%; position: absolute; inset: 0; background: transparent; opacity: 0; transition: opacity 0.7s ease; --poster-color: transparent; --poster-image: none; }
.mv-robot.ready { opacity: 1; }
.mv-robot::part(default-progress-bar) { display: none !important; }
.mv-robot::part(default-poster) { display: none !important; background: transparent !important; }
.mv-error-state { position: absolute; inset: 0; display: grid; place-items: center; font-family: var(--font-mono); color: var(--text-3); gap: 10px; text-align: center; }
.mv-error-icon { width: 40px; height: 40px; border-radius: 50%; border: 1.5px solid var(--text-3); display: grid; place-items: center; font-size: 22px; font-weight: 500; opacity: 0.5; }
.mv-error-text { font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; opacity: 0.6; }

/* System diagram */
.sys-diagram { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; font-family: var(--font-mono); font-size: 11px; box-shadow: 0 40px 80px -40px rgba(0,0,0,0.8), 0 0 60px -20px var(--accent-glow); }
.sys-diagram.wide { width: 100%; max-width: 880px; margin: 64px auto 0; }
.sys-head { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--border); color: var(--text-3); letter-spacing: 0.02em; }
.sys-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); }
.sys-badge { margin-left: auto; background: rgba(125,216,125,0.1); color: var(--green); padding: 2px 8px; border-radius: 100px; font-size: 10px; }
.sys-body { display: flex; align-items: center; gap: 12px; padding: 28px 20px; }
.node { background: var(--bg-elev); border: 1px solid var(--border-strong); border-radius: 10px; padding: 14px; display: flex; flex-direction: column; gap: 4px; min-width: 110px; transition: border-color 0.2s; }
.node-core { border-color: var(--accent); background: linear-gradient(180deg, var(--accent-soft), transparent); box-shadow: 0 0 32px -8px var(--accent-glow); }
.node-code { font-size: 10px; color: var(--text-3); letter-spacing: 0.08em; }
.node-core .node-code { color: var(--accent-2); }
.node-name { font-family: var(--font-sans); font-size: 13px; color: var(--text); font-weight: 500; }
.node-sub { font-size: 10px; color: var(--text-3); }
.node-col { display: flex; flex-direction: column; gap: 8px; flex: 1; }
.node-col .node { min-width: 0; padding: 10px 12px; }
.node-out { flex-direction: row; justify-content: space-between; align-items: center; }
.flow { position: relative; flex: 1; height: 1px; min-width: 24px; }
.flow-line { position: absolute; inset: 0; background: linear-gradient(90deg, var(--border-strong), var(--accent), var(--border-strong)); }
.flow-dot { position: absolute; top: -2px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent-glow); animation: flowMove 2.4s linear infinite; }
.flow-dot.d2 { animation-delay: 1.2s; }
@keyframes flowMove { 0% { left: 0%; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { left: 100%; opacity: 0; } }
@media (max-width: 640px) { .sys-body { flex-direction: column; align-items: stretch; } .flow { width: 1px; height: 24px; } .flow-line { width: 1px; height: 100%; background: linear-gradient(180deg, var(--border-strong), var(--accent), var(--border-strong)); } .flow-dot { top: 0; left: -2px !important; animation-name: flowMoveV; } @keyframes flowMoveV { 0% { top: 0; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { top: 100%; opacity: 0; } } .node-col { width: 100%; } }

/* Pillars */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; margin-top: 24px; }
.pillar { background: var(--bg-card); padding: 28px; transition: background 0.2s; }
.pillar:hover { background: var(--bg-card-hover); }
.pillar-label { font-family: var(--font-mono); font-size: 11px; color: var(--accent-2); letter-spacing: 0.04em; margin-bottom: 12px; text-transform: uppercase; }
.pillar-text { color: var(--text-2); font-size: 15px; }
@media (max-width: 800px) { .pillars { grid-template-columns: 1fr; } }

/* Projects */
.projects-wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; margin-top: 24px; align-items: flex-start; }
.projects-list { display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; background: var(--bg-card); }
.project-row { all: unset; display: grid; grid-template-columns: auto 1fr auto auto auto; align-items: center; gap: 14px; padding: 18px 20px; cursor: pointer; border-bottom: 1px solid var(--border); transition: background 0.15s; color: var(--text-2); position: relative; }
.project-row:last-child { border-bottom: none; }
.project-row:hover { background: var(--bg-card-hover); color: var(--text); }
.project-row.active { background: var(--bg-card-hover); color: var(--text); }
.project-row.active .project-arrow { color: var(--accent-2); transform: translateX(2px); }
.project-row.active::after {
  content: '';
  position: absolute;
  right: -40px;
  top: 50%;
  width: 40px;
  height: 1.5px;
  background: linear-gradient(90deg, var(--accent) 0%, transparent 100%);
  transform: translateY(-50%);
  animation: pc-grow 0.25s ease-out;
  z-index: 2;
}
@keyframes pc-grow { from { width: 0; } to { width: 40px; } }
/* hint pulse on first inactive row */
.projects-list .project-row:nth-child(2):not(.active).hint-pulse {
  animation: rowHint 2.4s ease-in-out 2;
  animation-delay: 0.6s;
}
@keyframes rowHint {
  0%, 100% { background: transparent; }
  50% { background: rgba(14,143,99,0.08); }
}
.projects-hint {
  font-family: var(--font-mono); font-size: 11px; color: var(--text-3);
  letter-spacing: 0.04em; text-transform: uppercase; margin-top: 12px;
  padding-left: 4px; opacity: 0.6; transition: opacity 0.3s;
}
.projects-hint.hidden { opacity: 0; pointer-events: none; }

/* Project mockup */
.project-mockup { margin: 0 0 24px; border-radius: 10px; overflow: hidden; background: var(--surface-sunk); border: 1px solid var(--border-strong); }
.mockup-chrome { display: flex; align-items: center; gap: 6px; padding: 9px 12px; background: var(--surface); border-bottom: 1px solid var(--border); }
.mockup-dot { width: 10px; height: 10px; border-radius: 50%; }
.mockup-dot.r { background: var(--danger); } .mockup-dot.y { background: var(--warn); } .mockup-dot.g { background: var(--brand); }
.mockup-title { font-family: var(--font-mono); font-size: 11px; color: var(--text-3); margin-left: 8px; }
.mockup-body { padding: 16px 18px; font-family: var(--font-mono); font-size: 12px; line-height: 1.65; color: var(--text-2); min-height: 120px; }
.mockup-prompt { color: var(--accent-2); margin-right: 8px; }
.mockup-cmd { color: var(--text); }
.mockup-out { color: var(--text-3); }
.mockup-out.ok { color: var(--green); }
.mockup-out.warn { color: var(--amber); }

/* Phone mockup for Apartment Auditor */
.phone-mockup { padding: 18px; background: linear-gradient(180deg, var(--surface) 0%, var(--surface-sunk) 100%); display: flex; justify-content: center; }
.phone-frame { width: 200px; background: var(--surface); border-radius: 22px; border: 1px solid var(--border-strong); overflow: hidden; padding: 10px 10px; box-shadow: 0 20px 40px -10px rgba(0,0,0,0.6); }
.phone-notch { height: 14px; display: flex; justify-content: center; align-items: center; }
.phone-notch::before { content: ''; width: 40px; height: 4px; border-radius: 100px; background: #000; }
.phone-screen { background: var(--surface-sunk); border-radius: 12px; padding: 12px; font-family: var(--font-mono); }
.phone-title { font-size: 11px; color: var(--text); letter-spacing: 0.02em; margin-bottom: 8px; font-weight: 500; }
.phone-sub { font-size: 9px; color: var(--text-3); margin-bottom: 10px; }
.phone-row { display: flex; align-items: center; gap: 6px; padding: 6px 0; border-top: 1px solid rgba(255,255,255,0.05); font-size: 10px; color: var(--text-2); }
.phone-row:first-of-type { border-top: none; }
.phone-check { width: 10px; height: 10px; border-radius: 3px; border: 1px solid var(--text-3); flex-shrink: 0; }
.phone-check.ok { background: var(--green); border-color: var(--green); }
.phone-check.warn { background: var(--amber); border-color: var(--amber); }
.phone-cta { margin-top: 10px; padding: 7px; background: var(--accent); color: #fff; text-align: center; border-radius: 6px; font-size: 9px; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 500; }

/* Telegram mockup */
.tg-mockup { padding: 14px; background: var(--surface); }
.tg-msg { background: var(--surface); padding: 8px 12px; border-radius: 10px 10px 10px 2px; margin-bottom: 8px; max-width: 80%; font-size: 11px; color: var(--text-2); }
.tg-msg.me { background: var(--data); color: #fff; margin-left: auto; border-radius: 10px 10px 2px 10px; }
.tg-time { font-size: 9px; color: var(--text-3); margin-top: 3px; text-align: right; }

/* Project nav (prev/next) */
.project-nav-row { display: flex; justify-content: space-between; align-items: center; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); }
.pn-btn { all: unset; cursor: pointer; font-family: var(--font-mono); font-size: 12px; color: var(--text-3); letter-spacing: 0.04em; text-transform: uppercase; padding: 8px 12px; border-radius: 6px; transition: all 0.15s; }
.pn-btn:hover { color: var(--accent-2); background: var(--accent-soft); }
.project-progress { font-family: var(--font-mono); font-size: 11px; color: var(--text-3); letter-spacing: 0.04em; margin-left: auto; }
.project-progress .pp-cur { color: var(--accent-2); font-weight: 600; }
.project-code { font-family: var(--font-mono); font-size: 11px; color: var(--text-3); letter-spacing: 0.04em; }
.project-name { font-size: 15px; font-weight: 500; color: var(--text); }
.project-tag { font-family: var(--font-mono); font-size: 10px; color: var(--text-3); letter-spacing: 0.04em; text-transform: uppercase; }
.project-status { font-family: var(--font-mono); font-size: 10px; padding: 3px 8px; border-radius: 100px; letter-spacing: 0.04em; border: 1px solid; white-space: nowrap; }
.project-status.s-production { color: var(--green); border-color: rgba(125,216,125,0.3); background: rgba(125,216,125,0.08); }
.project-status.s-beta { color: var(--amber); border-color: rgba(245,185,79,0.3); background: rgba(245,185,79,0.08); }
.project-status.s-dev { color: var(--accent-2); border-color: rgba(10,110,76,0.3); background: rgba(14,143,99,0.08); }
.project-status.s-planned { color: var(--text-2); border-color: var(--border-strong); background: var(--bg-elev); }
.project-arrow { color: var(--text-3); font-size: 14px; transition: all 0.15s; }
.project-detail { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; position: sticky; top: 80px; animation: fadeIn 0.3s ease; scroll-margin-top: 88px; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }
.project-detail-head { display: flex; gap: 16px; align-items: center; margin-bottom: 28px; }
.project-code-lg { width: 48px; height: 48px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-2); border-radius: 10px; font-family: var(--font-mono); font-size: 13px; font-weight: 600; }
.project-title { font-size: 24px; font-weight: 500; margin: 0 0 4px; letter-spacing: -0.02em; }
.project-blocks { display: flex; flex-direction: column; gap: 16px; }
.pb { padding: 16px 18px; border-radius: 10px; background: var(--bg-elev); border: 1px solid var(--border); }
.pb-label { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 8px; }
.pb-mark { width: 6px; height: 6px; border-radius: 2px; }
.pb-red .pb-label { color: var(--red); } .pb-red .pb-mark { background: var(--red); }
.pb-purple .pb-label { color: var(--accent-2); } .pb-purple .pb-mark { background: var(--accent-2); }
.pb-green .pb-label { color: var(--green); } .pb-green .pb-mark { background: var(--green); }
.pb-text { color: var(--text); font-size: 14px; line-height: 1.55; }
@media (max-width: 960px) { .projects-wrap { grid-template-columns: 1fr; } .project-detail { position: static; } .project-row { grid-template-columns: auto 1fr auto; } .project-tag, .project-arrow { display: none; } .project-row.active::after { display: none; } .phone-frame { width: 180px; } }

/* System thinking */
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; margin-top: 24px; }
.principle { background: var(--bg-card); padding: 36px 32px; min-height: 240px; position: relative; }
.principle-n { font-family: var(--font-mono); font-size: 12px; color: var(--accent-2); letter-spacing: 0.06em; margin-bottom: 48px; }
.principle-name { font-size: 22px; font-weight: 500; letter-spacing: -0.02em; margin-bottom: 12px; }
.principle-text { color: var(--text-2); font-size: 15px; }
@media (max-width: 800px) { .principles { grid-template-columns: 1fr; } }

/* Stack */
.stack-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 24px; }
.stack-group { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; transition: border-color 0.2s, background 0.2s; }
.stack-group:hover { border-color: var(--border-strong); background: var(--bg-card-hover); }
.stack-group-name { font-family: var(--font-mono); font-size: 11px; color: var(--accent-2); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.stack-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.stack-list li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text); }
.stack-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--text-3); flex-shrink: 0; }
@media (max-width: 1000px) { .stack-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .stack-grid { grid-template-columns: repeat(2, 1fr); } }

/* Gov */
.gov-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.gov-list { list-style: none; padding: 0; margin: 0; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; background: var(--bg-card); }
.gov-list li { display: flex; gap: 20px; padding: 18px 20px; border-bottom: 1px solid var(--border); font-size: 15px; color: var(--text); align-items: flex-start; transition: background 0.15s; }
.gov-list li:last-child { border-bottom: none; }
.gov-list li:hover { background: var(--bg-card-hover); }
.gov-num { font-family: var(--font-mono); font-size: 11px; color: var(--accent-2); letter-spacing: 0.04em; padding-top: 3px; min-width: 24px; }
@media (max-width: 800px) { .gov-wrap { grid-template-columns: 1fr; } }

/* Demo */
.demo-section .h2 { margin-bottom: 12px; }
.demo-section .lede { margin-bottom: 32px; }
.demo-tabs { display: flex; flex-wrap: wrap; gap: 8px; padding: 4px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; margin: 0 0 24px; }
.demo-tab { flex: 1; min-width: 180px; display: flex; align-items: center; gap: 10px; padding: 12px 14px; background: transparent; border: 1px solid transparent; border-radius: 8px; color: var(--text-2); text-align: left; transition: all 0.18s; }
.demo-tab:hover { color: var(--text); background: var(--bg-elev); }
.demo-tab.on { background: var(--bg); border-color: var(--border-strong); color: var(--text); box-shadow: 0 6px 20px -10px var(--accent-glow); }
.demo-tab-code { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; color: var(--accent-2); padding: 3px 7px; border-radius: 5px; background: var(--accent-soft); }
.demo-tab-name { font-size: 14px; font-weight: 500; }
.demo-tab-hint { font-size: 11px; color: var(--text-3); margin-top: 1px; }
.demo-tab-text { display: flex; flex-direction: column; line-height: 1.2; flex: 1; min-width: 0; }
.demo-sub { font-size: 14px; color: var(--text-2); max-width: 760px; margin: 0 0 20px; text-wrap: pretty; }
.demo-cta-row { display: flex; align-items: center; gap: 14px; margin-top: 24px; flex-wrap: wrap; }
.demo-cta-row .btn-ghost { font-size: 13px; }
.demo-cta-row .note { font-family: var(--font-mono); font-size: 11px; color: var(--text-3); letter-spacing: 0.04em; }

.dot-live { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulseLive 2s infinite; }
@keyframes pulseLive { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
@keyframes msgIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
@keyframes bounce { 0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; } 40% { transform: scale(1); opacity: 1; } }

/* ── Telegram shell ─────────────────────────────────────────────────────── */
.tg-shell { display: grid; grid-template-columns: 280px 1fr; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: 0 40px 90px -40px rgba(0,0,0,0.9), 0 0 60px -30px var(--accent-glow); height: 640px; min-height: 0; }
.tg-shell > * { min-height: 0; min-width: 0; }
@media (max-width: 900px) { .tg-shell { grid-template-columns: 1fr; height: 640px; } .tg-side { display: none; } }
@media (max-width: 768px) {
  .tg-shell { height: auto; min-height: 560px; max-height: 85vh; scroll-margin-top: 88px; }
  .tg-body { min-height: 320px; max-height: 60vh; scroll-margin-top: 88px; }
  .tg-presets { flex-wrap: wrap; }
  .chip { font-size: 12px; padding: 8px 12px; }
}
.tg-side { background: var(--surface-sunk); border-right: 1px solid var(--border); display: flex; flex-direction: column; overflow-y: auto; min-height: 0; }
.tg-side-head { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--border); }
.tg-side-title { font-size: 13px; font-weight: 600; letter-spacing: -0.01em; }
.tg-side-search { margin: 10px 12px 6px; padding: 8px 12px; background: var(--surface); border: 1px solid var(--border); border-radius: 20px; font-family: var(--font-mono); font-size: 11px; color: var(--text-3); display: flex; align-items: center; gap: 8px; }
.tg-side-search::before { content: '⌕'; font-size: 12px; }
.tg-chat { display: flex; gap: 10px; padding: 10px 12px; border-left: 3px solid transparent; cursor: pointer; transition: background 0.15s; }
.tg-chat:hover { background: var(--surface-sunk); }
.tg-chat.on { background: var(--brand-wash); border-left-color: var(--accent); }
.tg-ava { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; color: white; font-weight: 600; font-size: 13px; font-family: var(--font-mono); flex-shrink: 0; }
.tg-chat-body { flex: 1; min-width: 0; }
.tg-chat-top { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; color: var(--text); }
.tg-chat-name { font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tg-chat-time { font-size: 10px; color: var(--text-3); font-family: var(--font-mono); flex-shrink: 0; }
.tg-chat-bot { display: flex; justify-content: space-between; gap: 8px; font-size: 12px; color: var(--text-3); margin-top: 2px; }
.tg-chat-preview { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tg-chat-badge { background: var(--accent); color: white; font-size: 10px; font-family: var(--font-mono); padding: 1px 6px; border-radius: 100px; min-width: 18px; text-align: center; }

.tg-main { display: flex; flex-direction: column; background-color: var(--surface); background-image: radial-gradient(circle at 12% 18%, rgba(124,92,255,0.05) 0, transparent 40%), radial-gradient(circle at 82% 72%, rgba(14,143,99,0.05) 0, transparent 40%); min-height: 0; overflow: hidden; }
.tg-head { display: flex; align-items: center; gap: 12px; padding: 12px 18px; border-bottom: 1px solid var(--border); background: var(--surface-sunk); }
.tg-head-meta { flex: 1; }
.tg-head-name { font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.tg-check { color: var(--accent-2); font-size: 11px; }
.tg-head-sub { font-size: 11px; color: var(--green); font-family: var(--font-mono); display: flex; align-items: center; gap: 6px; }
.tg-head-icons { display: flex; gap: 14px; color: var(--text-3); font-size: 14px; }

.tg-body { flex: 1; overflow-y: auto; padding: 18px 18px 12px; display: flex; flex-direction: column; gap: 8px; scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; scroll-behavior: smooth; min-height: 0; }
.tg-body::-webkit-scrollbar { width: 6px; }
.tg-body::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
.tg-day { align-self: center; font-family: var(--font-mono); font-size: 10px; color: var(--text-3); background: rgba(21,22,28,0.85); padding: 3px 10px; border-radius: 100px; margin: 4px 0; }

.tg-msg { display: flex; max-width: 85%; }
.tg-msg.in { align-self: flex-start; }
.tg-msg.out { align-self: flex-end; }
.tg-bubble { padding: 9px 12px; border-radius: 14px; font-size: 13.5px; line-height: 1.5; position: relative; animation: msgIn 0.22s ease; }
.tg-msg.in .tg-bubble { background: var(--surface); color: var(--text); border-bottom-left-radius: 4px; }
.tg-msg.out .tg-bubble { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; border-bottom-right-radius: 4px; box-shadow: 0 8px 24px -12px var(--accent-glow); }
.tg-bubble.system { background: rgba(29,30,38,0.6); color: var(--text-2); font-size: 12.5px; }
.tg-bubble-meta { display: flex; align-items: center; gap: 4px; justify-content: flex-end; font-family: var(--font-mono); font-size: 10px; color: rgba(255,255,255,0.8); margin-top: 4px; }
.tg-msg.in .tg-bubble-meta { color: var(--text-3); }
.tg-voice { display: flex; align-items: center; gap: 12px; min-width: 220px; }
.tg-voice-play { width: 34px; height: 34px; border-radius: 50%; background: rgba(255,255,255,0.22); border: 0; color: #fff; display: grid; place-items: center; font-size: 12px; flex-shrink: 0; }
.tg-voice-wave { display: flex; align-items: center; gap: 2px; flex: 1; height: 24px; }
.tg-voice-wave span { flex: 1; background: rgba(255,255,255,0.8); border-radius: 2px; }
.tg-voice-wave.playing span { animation: wave 1.2s ease-in-out infinite; }
@keyframes wave { 0%, 100% { height: 30%; } 50% { height: 100%; } }
.tg-voice-meta { font-family: var(--font-mono); font-size: 10px; opacity: 0.9; white-space: nowrap; }
.tg-reply { background: rgba(255,255,255,0.08); border-left: 2px solid rgba(255,255,255,0.35); padding: 4px 8px; border-radius: 4px; margin-bottom: 6px; font-size: 11px; opacity: 0.9; }
.tg-msg.in .tg-reply { background: rgba(124,92,255,0.12); border-left-color: var(--accent-2); }

.tg-typing { display: inline-flex; align-items: center; gap: 5px; padding: 9px 14px; background: var(--surface); border-radius: 14px; border-bottom-left-radius: 4px; width: fit-content; }
.tg-typing span { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-2); animation: bounce 1.2s infinite ease-in-out; }
.tg-typing span:nth-child(2) { animation-delay: 0.15s; }
.tg-typing span:nth-child(3) { animation-delay: 0.3s; }

.tg-input { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-top: 1px solid var(--border); background: var(--surface-sunk); }
.tg-input-icon { color: var(--text-3); font-size: 15px; }
.tg-input-field { flex: 1; padding: 9px 14px; background: var(--surface); border: 1px solid var(--border); border-radius: 20px; color: var(--text-3); font-size: 13px; }
.tg-mic { width: 40px; height: 40px; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; border: 0; box-shadow: 0 4px 16px -4px var(--accent-glow); font-size: 15px; }

.tg-presets { display: flex; gap: 8px; flex-wrap: wrap; padding: 10px 18px; background: var(--surface-sunk); border-top: 1px solid var(--border); }
.tg-presets .preset-label { width: 100%; font-family: var(--font-mono); font-size: 10px; color: var(--text-3); letter-spacing: 0.06em; text-transform: uppercase; margin: 0 0 2px; }
.chip { background: var(--bg-card); border: 1px solid var(--border); color: var(--text-2); font-size: 12px; padding: 6px 12px; border-radius: 100px; transition: all 0.15s; display: inline-flex; align-items: center; gap: 6px; }
.chip:hover:not(:disabled) { border-color: var(--accent); color: var(--text); background: var(--accent-soft); }
.chip:disabled { opacity: 0.5; cursor: not-allowed; }
.chip-icon { color: var(--accent-2); font-size: 10px; }

/* Letter inside Telegram */
.letter { background: var(--surface); border: 1px solid var(--border-strong); border-radius: 12px; padding: 0; overflow: hidden; margin-top: 4px; width: 100%; max-width: 540px; }
.letter-head { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--border); background: var(--bg-elev); font-family: var(--font-mono); font-size: 11px; color: var(--text-3); }
.letter-head-icon { width: 20px; height: 20px; border-radius: 4px; background: var(--accent-soft); color: var(--accent-2); display: grid; place-items: center; font-size: 10px; }
.letter-head-tag { margin-left: auto; color: var(--green); font-size: 10px; padding: 2px 8px; background: rgba(125,216,125,0.1); border-radius: 100px; }
.letter-style { display: flex; background: var(--surface); border-top: 1px solid var(--border); padding: 8px 14px; gap: 6px; }
.letter-style .ls-label { font-family: var(--font-mono); font-size: 10px; color: var(--text-3); letter-spacing: 0.04em; text-transform: uppercase; align-self: center; margin-right: 4px; }
.letter-style button { background: transparent; border: 1px solid var(--border); color: var(--text-2); padding: 4px 10px; border-radius: 100px; font-size: 11px; font-family: var(--font-mono); transition: all 0.15s; }
.letter-style button.on { border-color: var(--accent); color: var(--accent-2); background: var(--accent-soft); }
.letter-body { padding: 16px 18px; font-family: 'Inter', sans-serif; font-size: 13px; line-height: 1.55; color: var(--text); }
.letter-body .lh { color: var(--text-3); font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 2px; }
.letter-body .lrow { margin-bottom: 10px; }
.letter-body .lp { color: var(--text-2); font-size: 13px; margin: 10px 0 0; }
.letter-body .ldots { color: var(--text-3); letter-spacing: 0.1em; margin: 8px 0; }
.letter-body .lreq { margin: 12px 0 0; padding-left: 18px; color: var(--text); }
.letter-body .lreq li { margin-bottom: 4px; font-size: 13px; }
.letter-sig { padding: 10px 18px 14px; font-size: 12px; color: var(--text-2); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 6px; border-top: 1px solid var(--border); }
.letter-actions { display: flex; gap: 6px; padding: 10px 14px; border-top: 1px solid var(--border); background: var(--bg-elev); flex-wrap: wrap; }
.letter-btn { background: transparent; border: 1px solid var(--border-strong); color: var(--text-2); padding: 5px 10px; border-radius: 6px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.04em; transition: all 0.15s; }
.letter-btn:hover { color: var(--text); border-color: var(--text-3); background: var(--bg-card); }
.letter-btn.primary { border-color: var(--accent); color: var(--accent-2); }
.letter-btn.primary:hover { background: var(--accent-soft); }
.letter-btn.copied { color: var(--green); border-color: var(--green); }

/* ── Phone (Auditor) ─────────────────────────────────────────────────────── */
.auditor-wrap { display: grid; grid-template-columns: 300px 1fr; gap: 40px; align-items: start; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; overflow: hidden; }
@media (max-width: 900px) { .auditor-wrap { grid-template-columns: 1fr; gap: 24px; padding: 20px; } }
@media (max-width: 768px) {
  .auditor-wrap { padding: 16px; gap: 20px; }
  .aud-meta-grid { grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .aud-meta-cell { padding: 8px; }
  .mv { font-size: 13px; }
  .phone { scroll-margin-top: 88px; }
}
@media (max-width: 480px) {
  .aud-meta-grid { grid-template-columns: repeat(2, 1fr); }
}
.phone { position: relative; width: 300px; height: 620px; background: var(--surface-sunk); border-radius: 44px; padding: 14px; margin: 0 auto; box-shadow: 0 30px 60px -20px rgba(0,0,0,0.7), 0 0 0 1px var(--border-strong), inset 0 0 0 2px var(--surface); }
.phone::before { content: ''; position: absolute; top: 22px; left: 50%; transform: translateX(-50%); width: 100px; height: 28px; background: var(--surface-sunk); border-radius: 100px; z-index: 2; }
.phone-screen { width: 100%; height: 100%; background: var(--surface); border-radius: 32px; overflow: hidden; position: relative; display: flex; flex-direction: column; }
.phone-status { display: flex; justify-content: space-between; padding: 10px 28px 6px; font-family: var(--font-mono); font-size: 10px; color: var(--text); }
.phone-nav { display: flex; align-items: center; gap: 10px; padding: 8px 16px; border-bottom: 1px solid var(--border); }
.phone-nav-title { flex: 1; font-size: 13px; font-weight: 600; }
.phone-nav-meta { font-family: var(--font-mono); font-size: 10px; color: var(--text-3); }
.phone-back { color: var(--accent-2); font-size: 14px; }
.phone-prog { height: 3px; background: var(--border); position: relative; }
.phone-prog-bar { position: absolute; inset: 0 auto 0 0; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width 0.4s; }
.phone-body { flex: 1; overflow-y: auto; padding: 12px; scrollbar-width: none; }
.phone-body::-webkit-scrollbar { display: none; }
.phone-body::-webkit-scrollbar-thumb { background: var(--border-strong); }

.cl-cat { font-family: var(--font-mono); font-size: 10px; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.08em; margin: 10px 4px 6px; }
.cl-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 6px; }
.cl-check { width: 18px; height: 18px; border-radius: 50%; flex-shrink: 0; display: grid; place-items: center; font-size: 10px; font-weight: 700; }
.cl-check.ok { background: rgba(125,216,125,0.12); color: var(--green); border: 1px solid rgba(125,216,125,0.4); }
.cl-check.ok::after { content: '✓'; }
.cl-check.defect { background: rgba(248,113,113,0.12); color: var(--red); border: 1px solid rgba(248,113,113,0.4); }
.cl-check.defect::after { content: '!'; }
.cl-check.wait { background: transparent; border: 1px dashed var(--border-strong); color: var(--text-3); }
.cl-name { flex: 1; font-size: 12px; color: var(--text); }
.cl-count { font-family: var(--font-mono); font-size: 10px; color: var(--red); }

.dp-hero { position: relative; margin: -12px -12px 0; height: 140px; background: linear-gradient(180deg, var(--brand-wash) 0%, var(--surface-sunk) 100%); display: grid; place-items: center; overflow: hidden; }
.dp-hero::before { content: ''; position: absolute; inset: 0; background-image: repeating-linear-gradient(45deg, transparent 0, transparent 12px, rgba(14,143,99,0.04) 12px, rgba(14,143,99,0.04) 24px); }
.dp-hero-crack { position: absolute; width: 80%; height: 3px; background: linear-gradient(90deg, transparent, rgba(248,113,113,0.7) 30%, rgba(248,113,113,0.9) 50%, rgba(248,113,113,0.7) 70%, transparent); transform: rotate(-6deg); box-shadow: 0 0 8px rgba(248,113,113,0.3); }
.dp-hero-label { position: absolute; top: 10px; left: 12px; font-family: var(--font-mono); font-size: 10px; color: var(--text-3); letter-spacing: 0.08em; text-transform: uppercase; }
.dp-hero-tag { position: absolute; top: 10px; right: 12px; background: var(--red); color: #fff; padding: 2px 8px; border-radius: 100px; font-size: 10px; font-family: var(--font-mono); font-weight: 600; }
.dp-title { padding: 14px 4px 10px; }
.dp-cat { font-size: 13px; color: var(--text); font-weight: 500; }
.dp-norm { font-family: var(--font-mono); font-size: 10px; color: var(--accent-2); margin-top: 2px; }
.dp-plan { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 10px; margin: 8px 0; position: relative; }
.dp-plan-label { font-family: var(--font-mono); font-size: 9px; color: var(--text-3); letter-spacing: 0.08em; text-transform: uppercase; }
.dp-plan-svg { display: block; width: 100%; margin-top: 6px; }
.dp-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; margin: 8px 0 10px; }
.dp-field .dk { font-family: var(--font-mono); font-size: 9px; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.06em; }
.dp-field .dv { font-size: 12px; color: var(--text); }
.dp-note { font-size: 11px; color: var(--text-2); line-height: 1.5; padding: 8px 10px; background: rgba(248,113,113,0.06); border-left: 2px solid var(--red); border-radius: 4px; margin-bottom: 8px; }

.rp-head { padding: 10px 4px; }
.rp-title { font-size: 13px; color: var(--text); font-weight: 500; }
.rp-meta { font-family: var(--font-mono); font-size: 10px; color: var(--text-3); margin-top: 2px; }
.rp-sum { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin: 10px 0; }
.rp-sum-cell { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; }
.rp-sum-k { font-family: var(--font-mono); font-size: 9px; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.06em; }
.rp-sum-v { font-size: 17px; font-weight: 500; margin-top: 2px; color: var(--text); }
.rp-sum-v.crit { color: var(--red); }
.rp-sum-v.sig { color: var(--amber); }
.rp-list { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
.rp-row { display: flex; gap: 8px; padding: 8px 10px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; font-size: 11px; color: var(--text); }
.rp-row-n { font-family: var(--font-mono); color: var(--text-3); font-size: 10px; }
.rp-row-t { flex: 1; }
.rp-row-sev { font-family: var(--font-mono); font-size: 9px; text-transform: uppercase; letter-spacing: 0.04em; }
.rp-row-sev.significant, .rp-row-sev.значительный { color: var(--amber); }
.rp-row-sev.critical, .rp-row-sev.критический { color: var(--red); }
.rp-row-sev.minor, .rp-row-sev.незначительный { color: var(--text-3); }
.rp-act { padding: 10px 12px; display: grid; gap: 6px; }
.rp-act button { padding: 8px 12px; border-radius: 8px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--text); font-size: 11px; font-family: var(--font-mono); }
.rp-act button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }

.phone-dock { display: flex; justify-content: center; gap: 16px; padding: 8px 0 12px; border-top: 1px solid var(--border); background: var(--surface-sunk); }
.phone-dock-dot { width: 22px; height: 22px; border-radius: 50%; background: var(--surface-sunk); display: grid; place-items: center; font-size: 10px; color: var(--text-3); }

/* Aud sidebar */
.aud-side { display: flex; flex-direction: column; gap: 16px; }
.aud-steps { display: flex; flex-direction: column; gap: 8px; }
.aud-step { display: flex; gap: 12px; padding: 14px 16px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px; cursor: pointer; text-align: left; transition: all 0.18s; color: var(--text-2); }
.aud-step:hover { border-color: var(--border-strong); color: var(--text); }
.aud-step.on { background: var(--bg); border-color: var(--accent); color: var(--text); box-shadow: 0 8px 24px -12px var(--accent-glow); }
.aud-step-code { font-family: var(--font-mono); font-size: 10px; color: var(--accent-2); letter-spacing: 0.08em; padding-top: 2px; }
.aud-step-name { font-size: 14px; font-weight: 500; line-height: 1.2; }
.aud-step-hint { font-size: 11px; color: var(--text-3); margin-top: 3px; }
.aud-title { font-size: 18px; font-weight: 500; letter-spacing: -0.02em; margin: 0 0 8px; }
.aud-sub { font-size: 13px; color: var(--text-2); margin: 0 0 16px; line-height: 1.5; text-wrap: pretty; }
.aud-meta-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 20px; }
.aud-meta-cell { padding: 12px 14px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px; }
.aud-meta-cell .mk { font-family: var(--font-mono); font-size: 10px; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.04em; }
.aud-meta-cell .mv { font-size: 15px; color: var(--text); margin-top: 2px; font-weight: 500; }

/* ── IDGenerator ────────────────────────────────────────────────────────── */
.idg-wrap { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; }
@media (max-width: 800px) { .idg-wrap { padding: 20px; } }
.idg-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 20px; gap: 16px; flex-wrap: wrap; }
.idg-head-left { flex: 1; min-width: 0; }
.idg-state { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 100px; font-family: var(--font-mono); font-size: 11px; color: var(--text-3); }
.idg-state .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--text-3); }
.idg-state.running .dot { background: var(--accent); animation: pulseLive 1s infinite; box-shadow: 0 0 8px var(--accent-glow); }
.idg-state.done .dot { background: var(--green); box-shadow: 0 0 8px var(--green); }

.dropzones { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 12px 0 20px; }
@media (max-width: 700px) { .dropzones { grid-template-columns: 1fr; } }
.dz { background: var(--bg-elev); border: 1.5px dashed var(--border-strong); border-radius: 12px; padding: 20px; transition: all 0.2s; cursor: pointer; position: relative; overflow: hidden; }
.dz.empty-cta { animation: dzPulse 2.4s ease-in-out infinite; }
@keyframes dzPulse {
  0%, 100% { border-color: var(--border-strong); box-shadow: none; }
  50% { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(14,143,99,0.08), 0 0 20px -4px var(--accent-glow); }
}
.dropzones.touched .dz.empty-cta { animation: none; }
.idg-hint { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; padding: 11px 14px; background: var(--accent-soft); border: 1px solid rgba(14,143,99,0.22); border-radius: 8px; }
.idg-hint-icon { font-size: 13px; color: var(--accent-2); font-family: var(--font-mono); }
.idg-hint-text { font-family: var(--font-mono); font-size: 12px; color: var(--accent-2); letter-spacing: 0.02em; }
.dz-empty { font-size: 13px; color: var(--text-3); display: flex; flex-direction: column; gap: 4px; }
.dz-empty-cta { font-size: 13px; font-weight: 500; color: var(--accent-2); font-family: var(--font-mono); letter-spacing: 0.02em; }
.dz-empty-sub { font-size: 11px; color: var(--text-3); font-family: var(--font-mono); }
.dz:hover { border-color: var(--accent); background: var(--brand-wash); }
.dz.filled { border-style: solid; border-color: var(--accent); background: var(--brand-wash); }
.dz.filled::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at top, var(--accent-soft), transparent 60%); pointer-events: none; }
.dz-label { font-family: var(--font-mono); font-size: 10px; color: var(--text-3); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 8px; display: flex; justify-content: space-between; }
.dz-accept { color: var(--accent-2); }
.dz-body { display: flex; align-items: center; gap: 12px; min-height: 40px; }
.dz-icon { width: 36px; height: 36px; border-radius: 8px; background: var(--bg); border: 1px solid var(--border); display: grid; place-items: center; font-family: var(--font-mono); font-size: 11px; color: var(--text-3); flex-shrink: 0; }
.dz.filled .dz-icon { border-color: var(--accent); color: var(--accent-2); background: var(--accent-soft); }
.dz-file-name { font-size: 13px; color: var(--text); word-break: break-word; }
.dz-file-size { font-family: var(--font-mono); font-size: 11px; color: var(--text-3); margin-top: 2px; }
.dz-empty b { color: var(--text); font-weight: 500; }
/* overridden above — keep for filled-state text support */

.idg-run-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; gap: 16px; flex-wrap: wrap; }
.idg-pipeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 28px; position: relative; }
@media (max-width: 900px) { .idg-pipeline { grid-template-columns: 1fr; } }
.pipe-stage { padding: 14px 16px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px; position: relative; transition: all 0.3s; }
.pipe-stage.running { border-color: var(--accent); background: var(--brand-wash); box-shadow: 0 12px 30px -15px var(--accent-glow); }
.pipe-stage.done { border-color: rgba(125,216,125,0.4); }
.pipe-stage.running .pipe-name { color: var(--text); }
.pipe-stage.done .pipe-check { background: var(--green); color: var(--surface); border-color: var(--green); }
.pipe-stage.running .pipe-check { background: var(--accent); color: #fff; border-color: var(--accent); animation: pulseLive 1s infinite; }
.pipe-top { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.pipe-check { width: 18px; height: 18px; border-radius: 50%; border: 1px solid var(--border-strong); display: grid; place-items: center; font-size: 10px; font-weight: 700; color: var(--text-3); flex-shrink: 0; }
.pipe-check::before { content: attr(data-n); }
.pipe-stage.done .pipe-check::before { content: '✓'; }
.pipe-name { font-size: 13px; color: var(--text-2); font-weight: 500; line-height: 1.2; }
.pipe-detail { font-family: var(--font-mono); font-size: 10px; color: var(--text-3); letter-spacing: 0.02em; }
.pipe-bar { height: 2px; background: var(--border); border-radius: 2px; margin-top: 10px; overflow: hidden; }
.pipe-bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); width: 0; transition: width 0.2s linear; }

.idg-outputs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
@media (max-width: 900px) { .idg-outputs { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .idg-outputs { grid-template-columns: 1fr; } }
.out-card { padding: 16px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px; opacity: 0.4; transition: all 0.4s; position: relative; overflow: hidden; }
.out-card.ready { opacity: 1; border-color: var(--border-strong); }
.out-card.ready::before { content: ''; position: absolute; top: 0; right: 0; width: 60px; height: 60px; background: radial-gradient(circle at top right, var(--accent-soft), transparent 70%); pointer-events: none; }
.out-code { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; color: var(--accent-2); background: var(--accent-soft); padding: 2px 7px; border-radius: 5px; display: inline-block; }
.out-name { font-size: 13px; color: var(--text); margin: 8px 0 2px; line-height: 1.3; }
.out-count { font-family: var(--font-mono); font-size: 11px; color: var(--text-3); }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.price-card { position: relative; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1); overflow: hidden; }
.price-card::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% -20%, var(--accent-soft), transparent 60%); opacity: 0; transition: opacity 0.3s; pointer-events: none; }
.price-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: 0 20px 50px -20px var(--accent-glow); }
.price-card:hover::before { opacity: 1; }
.price-card.featured { border-color: var(--border-strong); }
.price-card.featured::after { content: 'Популярный'; position: absolute; top: 16px; right: 16px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--accent-2); background: var(--accent-soft); padding: 3px 8px; border-radius: 100px; }
.price-tier { font-family: var(--font-mono); font-size: 11px; color: var(--text-3); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 16px; }
.price-val { font-size: 36px; font-weight: 500; letter-spacing: -0.02em; margin-bottom: 6px; display: flex; align-items: baseline; gap: 6px; }
.price-val .rub { font-size: 18px; color: var(--text-3); }
.price-sub { font-size: 13px; color: var(--text-3); margin-bottom: 20px; }
.price-features { list-style: none; padding: 0; margin: 0 0 24px; display: flex; flex-direction: column; gap: 10px; border-top: 1px solid var(--border); padding-top: 20px; }
.price-features li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--text-2); }
.price-features li::before { content: '→'; color: var(--accent-2); font-family: var(--font-mono); flex-shrink: 0; transition: transform 0.2s; }
.price-card:hover .price-features li::before { transform: translateX(4px); }
.price-cta { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 12px 16px; background: var(--bg-elev); border: 1px solid var(--border-strong); border-radius: 8px; color: var(--text); font-size: 14px; font-weight: 500; transition: all 0.2s; }
.price-cta .arr { transition: transform 0.2s; }
.price-card:hover .price-cta { background: var(--accent); border-color: var(--accent); color: white; }
.price-card:hover .price-cta .arr { transform: translateX(4px); }
@media (max-width: 900px) { .pricing-grid { grid-template-columns: 1fr; } }

/* Contact */
.contact-section { text-align: center; }
.contact-wrap { max-width: 680px; margin: 0 auto; }
.contact-title { margin-left: auto; margin-right: auto; }
.contact-section .lede { margin-left: auto; margin-right: auto; }
.contact-rows { margin: 40px 0; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; background: var(--bg-card); }
.contact-row { display: grid; grid-template-columns: 120px 1fr auto; align-items: center; gap: 16px; padding: 18px 24px; border-bottom: 1px solid var(--border); text-align: left; transition: background 0.15s; }
.contact-row:last-child { border-bottom: none; }
.contact-row:hover { background: var(--bg-card-hover); }
.contact-row:hover .cr-arrow { color: var(--accent-2); transform: translateX(3px); }
.cr-label { font-family: var(--font-mono); font-size: 11px; color: var(--text-3); letter-spacing: 0.04em; text-transform: uppercase; }
.cr-val { font-size: 15px; color: var(--text); font-family: var(--font-mono); }
.cr-arrow { color: var(--text-3); transition: all 0.15s; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 32px; color: var(--text-3); font-size: 13px; }
.footer-inner { max-width: var(--container); margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-right { display: flex; align-items: center; gap: 8px; }

/* Tweaks panel */
.tweaks-panel { position: fixed; bottom: 20px; right: 20px; z-index: 100; background: var(--bg-card); border: 1px solid var(--border-strong); border-radius: 12px; padding: 16px; width: 260px; box-shadow: 0 20px 60px rgba(0,0,0,0.6); font-size: 13px; }
.tweaks-head { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; color: var(--text-2); text-transform: uppercase; }
.tweaks-head .sys-dot { background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.tweak-row { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.tweak-label { font-family: var(--font-mono); font-size: 10px; color: var(--text-3); letter-spacing: 0.04em; text-transform: uppercase; }
.tweak-seg { display: flex; background: var(--bg); border: 1px solid var(--border); border-radius: 7px; padding: 2px; }
.tweak-seg button { flex: 1; background: transparent; border: 0; color: var(--text-2); font-family: var(--font-mono); font-size: 11px; padding: 5px 8px; border-radius: 5px; transition: all 0.15s; }
.tweak-seg button.on { background: var(--border-strong); color: var(--text); }
.tweak-swatches { display: flex; gap: 6px; }
.tweak-swatch { width: 26px; height: 26px; border-radius: 6px; border: 2px solid transparent; cursor: pointer; transition: border 0.15s; }
.tweak-swatch.on { border-color: var(--text); }
  
/* Bento Grid for Projects right panel */
.project-detail.bento { animation: bentoFade 0.42s cubic-bezier(0.2,0.8,0.2,1); }
@keyframes bentoFade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.bento-head { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 20px; }
.bento-status { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.st-pill { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 100px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.04em; border: 1px solid; backdrop-filter: blur(10px); }
.st-dot { width: 6px; height: 6px; border-radius: 50%; display: inline-block; }
.st-pill.s-production { color: var(--green); border-color: rgba(125,216,125,0.35); background: rgba(125,216,125,0.06); }
.st-pill.s-production .st-dot { background: var(--green); box-shadow: 0 0 8px var(--green); }
.st-pill.s-beta { color: var(--accent-2); border-color: rgba(10,110,76,0.35); background: rgba(14,143,99,0.06); }
.st-pill.s-beta .st-dot { background: var(--accent-2); box-shadow: 0 0 8px var(--accent-glow); }
.st-pill.s-dev { color: var(--accent-2); border-color: rgba(10,110,76,0.35); background: rgba(14,143,99,0.06); }
.st-pill.s-dev .st-dot { background: var(--accent-2); box-shadow: 0 0 8px var(--accent-glow); animation: pulseDot 1.8s ease-in-out infinite; }
@keyframes pulseDot { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }
.st-pill.s-planned { color: var(--text-2); border-color: var(--border-strong); background: var(--bg-elev); }
.st-pill.s-planned .st-dot { background: var(--text-3); }
.bento-grid { display: flex; flex-direction: column; gap: 12px; }
.bento-card { position: relative; padding: 20px 22px 22px; border-radius: 14px; background: rgba(255,255,255,0.025); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border: 1px solid rgba(255,255,255,0.06); overflow: hidden; transition: border-color 0.25s, background 0.25s; width: 100%; }
.bento-card:hover { border-color: rgba(255,255,255,0.12); background: rgba(255,255,255,0.04); }
.bento-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent); }
.bento-solution { background: rgba(14,143,99,0.035); border-color: rgba(10,110,76,0.14); }
.bento-solution::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at top right, var(--accent-soft), transparent 60%); opacity: 0.5; pointer-events: none; }
.bento-label { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); margin-bottom: 10px; }
.bl-mark { width: 6px; height: 6px; border-radius: 2px; }
.bm-red { background: var(--red); box-shadow: 0 0 8px rgba(248,113,113,0.5); }
.bm-accent { background: var(--accent-2); box-shadow: 0 0 8px var(--accent-glow); }
.bm-green { background: var(--green); box-shadow: 0 0 8px rgba(125,216,125,0.5); }
.bento-text { color: var(--text); font-size: 14px; line-height: 1.55; font-weight: 400; }
.bento-solution .bento-text { font-size: 14.5px; }
.bento-problem .bento-text { color: var(--text-2); }
.bento-result .bento-text { color: var(--text); font-weight: 500; }
@media (max-width: 900px) { .bento-grid { grid-template-columns: 1fr; } .bento-problem, .bento-solution, .bento-result { grid-column: 1; grid-row: auto; } }

/* Letter text + typewriter cursor */
.letter-text { font-size: 13px; line-height: 1.6; white-space: pre-wrap; color: var(--text); padding: 8px 0; font-family: var(--font-sans); }
.cursor-blink { display: inline-block; color: var(--accent-2); animation: cursorBlink 0.8s steps(2) infinite; margin-left: 1px; font-weight: 400; }
@keyframes cursorBlink { 50% { opacity: 0; } }

/* Style buttons */
.letter-style button.on { border-color: var(--accent) !important; color: var(--accent-2) !important; background: var(--accent-soft) !important; box-shadow: 0 0 0 1px var(--accent), 0 0 16px -4px var(--accent-glow); }

/* P3 light portfolio overrides */
body {
  background: var(--paper);
  color: var(--ink);
  letter-spacing: 0;
}

.nav {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.nav-scrolled {
  background: rgba(255,255,255,0.88);
  border-bottom-color: var(--line);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
}

.nav-logo,
.nav-links a,
.nav-actions a {
  color: var(--ink);
}

.logo-mark {
  position: relative;
  overflow: hidden;
  width: 28px;
  height: 28px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--brand-ink);
  box-shadow: none;
}

.logo-fold {
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 13px;
  height: 13px;
  background: var(--brand-wash);
  border-left: 1px solid var(--brand);
  border-top: 1px solid var(--brand);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.logo-check {
  position: relative;
  z-index: 1;
  color: var(--brand);
  font-size: 13px;
  line-height: 1;
}

.logo-text {
  font-weight: 650;
  letter-spacing: 0;
}

.btn-primary {
  background: var(--brand-ink);
  border-color: var(--brand-ink);
  color: #fff;
  box-shadow: none;
}

.btn-primary:hover {
  filter: none;
  background: #085F42;
  border-color: #085F42;
}

.hero.hero-b {
  min-height: auto;
  background: var(--paper);
}

.hero.hero-b::before {
  background-image:
    linear-gradient(90deg, rgba(246,248,245,0.96), rgba(246,248,245,0.82)),
    linear-gradient(rgba(14,143,99,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,143,99,0.07) 1px, transparent 1px);
  background-size: auto, 64px 64px, 64px 64px;
  background-position: center;
  filter: none;
}

.hero.hero-b::after {
  background: linear-gradient(180deg, rgba(246,248,245,0), var(--paper));
}

.hero-b .sys-diagram.wide,
.sys-diagram {
  background: var(--surface);
  border-color: var(--line);
  box-shadow: var(--shadow-card);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.accent-gradient {
  background: none;
  color: var(--brand-ink);
  -webkit-background-clip: initial;
  background-clip: initial;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 40px;
  align-items: start;
}

.about-copy .h2,
.about-copy .lede {
  max-width: 760px;
}

.person-card {
  position: sticky;
  top: 88px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.person-photo {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: linear-gradient(180deg, var(--surface-sunk), var(--brand-wash));
}

.person-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--brand);
  mix-blend-mode: multiply;
  opacity: .16;
  pointer-events: none;
}

.person-photo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: 50% 12%;
  filter: grayscale(1) contrast(1.04) brightness(1.02);
  mask-image: linear-gradient(#000 64%, transparent 99%);
  -webkit-mask-image: linear-gradient(#000 64%, transparent 99%);
}

.person-meta {
  padding: 18px 20px 20px;
}

.person-kicker {
  margin-bottom: 8px;
  color: var(--brand-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.person-name {
  color: var(--ink);
  font-size: 22px;
  font-weight: 650;
  line-height: 1.2;
}

.person-role {
  margin-top: 8px;
  color: var(--ink-muted);
  font-size: 14px;
}

@media (max-width: 900px) {
  .about-layout {
    grid-template-columns: 1fr;
  }

  .person-card {
    position: relative;
    top: auto;
    max-width: 360px;
  }
}