/* =========================================================
   aieltokhy — design system
   ========================================================= */

:root {
  /* color */
  --bg-0:        #06070a;
  --bg-1:        #0a0c11;
  --bg-2:        #10131a;
  --bg-3:        #161a23;
  --fg:          #f1f3f7;
  --fg-dim:      #a4abb8;
  --fg-mute:     #6a7180;
  --fg-faint:    #3a3f4a;
  --accent:      #9ab6ff;
  --accent-2:    #c4a3ff;
  --accent-warm: #ffb88a;
  --line:        rgba(255,255,255,0.07);
  --line-strong: rgba(255,255,255,0.14);
  --glass:       rgba(255,255,255,0.035);
  --glass-2:     rgba(255,255,255,0.06);

  /* radius */
  --r-xs: 6px;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 32px;

  /* type */
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter",
               "Helvetica Neue", system-ui, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display",
                  "Inter", "Helvetica Neue", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  /* layout */
  --max-w: 1180px;
  --max-w-narrow: 760px;

  /* motion */
  --ease: cubic-bezier(.2, .7, .2, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);

  /* shadow */
  --shadow-1: 0 1px 0 rgba(255,255,255,.04) inset, 0 14px 40px rgba(0,0,0,.35);
  --shadow-2: 0 20px 60px rgba(0,0,0,.55);
  --glow: 0 0 40px rgba(154,182,255,.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg-0);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  overflow-x: hidden;
  letter-spacing: -0.005em;
}

/* ambient background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(154,182,255,.16), transparent 60%),
    radial-gradient(700px 500px at -10% 15%, rgba(196,163,255,.13), transparent 60%),
    radial-gradient(600px 400px at 50% 110%, rgba(255,184,138,.08), transparent 60%);
}
/* film grain */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: .35;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.06 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

main, header, footer { position: relative; z-index: 2; }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color .2s var(--ease), opacity .2s var(--ease);
}
a:hover { color: var(--accent-2); }
::selection { background: rgba(154,182,255,.35); color: #fff; }

img, svg { max-width: 100%; display: block; }

/* =========================================================
   Typography
   ========================================================= */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin: 0 0 .55em;
  color: var(--fg);
}
h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); letter-spacing: -.02em; }
h3 { font-size: 1.18rem; letter-spacing: -.015em; }
h4 { font-size: 1rem; font-weight: 600; letter-spacing: -.01em; }

p { color: var(--fg-dim); margin: 0 0 1em; }
p.lede {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--fg-dim);
  max-width: 680px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--fg-mute);
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--glass);
  backdrop-filter: blur(20px);
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); }

.grad-text {
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent-2) 60%, var(--accent-warm) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.muted { color: var(--fg-mute); }
.dim   { color: var(--fg-dim); }
.center { text-align: center; }
.right  { text-align: right; }
.kbd {
  font-family: var(--font-mono);
  font-size: .82rem;
  background: var(--bg-2);
  border: 1px solid var(--line);
  padding: 2px 7px;
  border-radius: 6px;
  color: var(--fg-dim);
}

/* =========================================================
   Layout
   ========================================================= */

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: var(--max-w-narrow); }

section { padding: 88px 0; position: relative; }
section.tight { padding: 48px 0; }
section.tall  { padding: 120px 0; }

.section-head {
  display: flex; align-items: end; justify-content: space-between;
  gap: 16px; margin-bottom: 36px; flex-wrap: wrap;
}
.section-head h2 { margin: 0; }
.section-head .meta { color: var(--fg-mute); font-size: .92rem; }

.divider { height: 1px; background: var(--line); margin: 36px 0; border: none; }

.grid { display: grid; gap: 20px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
}

.flex { display: flex; }
.flex.wrap { flex-wrap: wrap; }
.flex.center { align-items: center; justify-content: center; }
.gap-2 { gap: 8px; } .gap-3 { gap: 12px; } .gap-4 { gap: 16px; } .gap-6 { gap: 24px; }

/* =========================================================
   Nav
   ========================================================= */

.nav {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  background: rgba(6, 7, 10, 0.65);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--fg); font-weight: 700; letter-spacing: -0.01em;
  font-family: var(--font-display);
}
.brand-mark {
  width: 28px; height: 28px;
  border-radius: 9px;
  background:
    conic-gradient(from 220deg, var(--accent), var(--accent-2), var(--accent-warm), var(--accent));
  box-shadow: 0 0 20px rgba(154,182,255,.5);
  position: relative;
}
.brand-mark::after {
  content: "";
  position: absolute; inset: 4px;
  border-radius: 6px;
  background: var(--bg-0);
}
.brand-mark::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: 9px;
  background: linear-gradient(180deg, rgba(255,255,255,.4), transparent 50%);
  mix-blend-mode: overlay;
}

.nav-links {
  display: flex; gap: 4px; list-style: none; margin: 0; padding: 0;
}
.nav-links a {
  color: var(--fg-dim);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: .92rem;
  font-weight: 500;
  position: relative;
}
.nav-links a:hover { color: var(--fg); background: var(--glass); }
.nav-links a.active { color: var(--fg); background: var(--glass-2); }
.nav-cta { margin-left: 8px; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  background: var(--glass);
  border-radius: 10px;
  cursor: pointer;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 10px; right: 10px;
  height: 2px;
  background: var(--fg);
  border-radius: 2px;
  transition: transform .25s var(--ease), opacity .15s var(--ease), top .25s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 19px; }
.nav-toggle span:nth-child(3) { top: 24px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

@media (max-width: 800px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    inset: 64px 0 auto 0;
    flex-direction: column;
    gap: 0;
    background: rgba(6, 7, 10, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    padding: 16px 24px 24px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s var(--ease), transform .2s var(--ease);
  }
  .nav-links.open { opacity: 1; transform: none; pointer-events: auto; }
  .nav-links a { padding: 14px 4px; border-radius: 0; border-bottom: 1px solid var(--line); }
  .nav-cta { margin: 12px 0 0; }
}

/* =========================================================
   Buttons
   ========================================================= */

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .94rem;
  font-family: inherit;
  border: 1px solid var(--line);
  background: var(--glass);
  color: var(--fg);
  cursor: pointer;
  transition: transform .15s var(--ease), background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover {
  background: var(--glass-2);
  transform: translateY(-1px);
  border-color: var(--line-strong);
}
.btn.primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #0a0c11;
  border: none;
  box-shadow: 0 14px 32px rgba(154,182,255,.32);
}
.btn.primary:hover { color: #0a0c11; opacity: .94; box-shadow: 0 18px 40px rgba(154,182,255,.4); }
.btn.ghost { background: transparent; }
.btn.sm { padding: 8px 16px; font-size: .85rem; }
.btn.lg { padding: 16px 28px; font-size: 1rem; }

.btn .arrow {
  display: inline-block;
  transition: transform .2s var(--ease);
}
.btn:hover .arrow { transform: translateX(3px); }

/* icon button */
.iconbtn {
  width: 40px; height: 40px;
  display: inline-grid; place-items: center;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--glass);
  color: var(--fg-dim);
  transition: all .2s var(--ease);
}
.iconbtn:hover { color: var(--fg); border-color: var(--line-strong); background: var(--glass-2); }

/* =========================================================
   Hero
   ========================================================= */

.hero { padding: 120px 0 80px; position: relative; }
.hero.compact { padding: 88px 0 56px; }
.hero-inner > * { display: block; }
.hero h1 { margin-top: 22px; }
.hero .lede { margin-top: 20px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 36px; }
.hero-meta {
  display: flex; gap: 24px; flex-wrap: wrap; margin-top: 48px;
  color: var(--fg-mute); font-size: .88rem;
  border-top: 1px solid var(--line); padding-top: 24px;
}
.hero-meta strong { color: var(--fg); font-weight: 600; }

/* =========================================================
   Card
   ========================================================= */

.card {
  background:
    linear-gradient(180deg, var(--glass-2), var(--glass));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-1);
  position: relative;
  overflow: hidden;
}
.card.tight { padding: 20px; }
.card.flush { padding: 0; }
.card.hover {
  transition: transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.card.hover:hover {
  transform: translateY(-3px);
  border-color: rgba(154,182,255,.35);
}
.card .corner-glow::before {
  content: "";
  position: absolute; top: -50%; right: -30%;
  width: 60%; height: 100%;
  background: radial-gradient(closest-side, rgba(154,182,255,.18), transparent 70%);
  pointer-events: none;
}

/* =========================================================
   Tags
   ========================================================= */

.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-size: .8rem;
  color: var(--fg-dim);
  border: 1px solid var(--line);
  background: var(--glass);
  padding: 6px 12px;
  border-radius: 999px;
}
.tag.solid { background: var(--bg-2); color: var(--fg); }
.tag.accent { color: var(--accent); border-color: rgba(154,182,255,.35); background: rgba(154,182,255,.08); }

/* =========================================================
   Project card
   ========================================================= */

.project-card {
  display: flex; flex-direction: column; gap: 14px;
  min-height: 320px;
  text-decoration: none;
  color: inherit;
}
.project-card .preview {
  height: 200px;
  border-radius: var(--r-md);
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(154,182,255,.18), transparent 60%),
    linear-gradient(180deg, #161a23, #0d1017);
  border: 1px solid var(--line);
  display: grid; place-items: center;
  position: relative;
  overflow: hidden;
}
.project-card .preview::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(closest-side, #000 30%, transparent 75%);
}
.app-tile {
  width: 84px; height: 84px;
  border-radius: 22px;
  display: grid; place-items: center;
  color: #0a0c11;
  font-weight: 800;
  font-size: 1.6rem;
  position: relative;
  z-index: 1;
  background: conic-gradient(from 200deg, var(--accent), var(--accent-2), var(--accent-warm));
  box-shadow: 0 18px 40px rgba(154,182,255,.35), inset 0 1px 0 rgba(255,255,255,.4);
}
.app-tile.coming {
  background: linear-gradient(135deg, #2a2f3a, #1a1d24);
  color: var(--fg-mute);
  font-size: .85rem;
  box-shadow: none;
}
.project-card h3 { margin: 6px 0 4px; }
.project-card .meta-row {
  display: flex; justify-content: space-between; align-items: center;
  color: var(--fg-mute); font-size: .85rem;
  margin-top: auto;
}
.status { display: inline-flex; align-items: center; gap: 7px; }
.status .pulse { width: 7px; height: 7px; border-radius: 50%; background: #6ee7b7; box-shadow: 0 0 0 0 rgba(110,231,183,.7); animation: pulse 2s infinite; }
.status .pulse.beta { background: #fbbf24; box-shadow: 0 0 0 0 rgba(251,191,36,.7); }
.status .pulse.wip  { background: #93c5fd; box-shadow: 0 0 0 0 rgba(147,197,253,.7); }
.status .pulse.idle { background: var(--fg-faint); animation: none; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 currentColor;} 70%{box-shadow:0 0 0 8px transparent;} 100%{box-shadow:0 0 0 0 transparent;} }

/* =========================================================
   App detail hero
   ========================================================= */

.app-hero {
  display: grid; grid-template-columns: 140px 1fr; gap: 32px;
  align-items: center;
  padding: 84px 0 32px;
}
.app-hero .app-icon {
  width: 140px; height: 140px;
  border-radius: 32px;
  background: conic-gradient(from 200deg, var(--accent), var(--accent-2), var(--accent-warm));
  display: grid; place-items: center;
  color: #0a0c11;
  font-size: 3.2rem;
  font-weight: 800;
  box-shadow: 0 28px 70px rgba(154,182,255,.4), inset 0 2px 0 rgba(255,255,255,.45);
}
.app-hero .tagline {
  color: var(--fg-dim);
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  margin-top: 8px; max-width: 620px;
}
.app-hero .row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; align-items: center; }
@media (max-width: 640px) {
  .app-hero { grid-template-columns: 1fr; text-align: center; }
  .app-hero .app-icon { margin: 0 auto; }
  .app-hero .row { justify-content: center; }
  .app-hero .tagline { margin-left: auto; margin-right: auto; }
}

/* =========================================================
   Feature blocks
   ========================================================= */

.feature {
  display: flex; gap: 16px; align-items: flex-start;
}
.feature .ic {
  flex-shrink: 0;
  width: 42px; height: 42px;
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(154,182,255,.18), rgba(154,182,255,.04));
  border: 1px solid rgba(154,182,255,.25);
  display: grid; place-items: center;
  color: var(--accent);
}
.feature .ic svg { width: 20px; height: 20px; }
.feature h3 { margin: 2px 0 4px; font-size: 1.05rem; }
.feature p { margin: 0; color: var(--fg-dim); font-size: .94rem; }

/* feature showcase row */
.showcase {
  display: grid; grid-template-columns: 1fr 1fr; gap: 36px;
  align-items: center;
}
.showcase.reverse > div:first-child { order: 2; }
@media (max-width: 800px) {
  .showcase { grid-template-columns: 1fr; gap: 24px; }
  .showcase.reverse > div:first-child { order: 0; }
}
.showcase-visual {
  aspect-ratio: 4 / 3;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(70% 60% at 50% 30%, rgba(154,182,255,.18), transparent 60%),
    linear-gradient(180deg, #131722, #0a0c11);
  position: relative;
  overflow: hidden;
  display: grid; place-items: center;
  padding: 24px;
}
.showcase-visual::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(closest-side, #000 30%, transparent 75%);
}

/* =========================================================
   Pricing
   ========================================================= */

.pricing { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 720px) { .pricing { grid-template-columns: 1fr; } }
.plan { position: relative; padding: 32px; }
.plan.featured {
  border-color: rgba(154,182,255,.4);
  background:
    radial-gradient(120% 60% at 50% -10%, rgba(154,182,255,.16), transparent 60%),
    linear-gradient(180deg, var(--glass-2), var(--glass));
}
.plan .badge {
  position: absolute; top: 18px; right: 18px;
  font-size: .7rem; letter-spacing: .12em; text-transform: uppercase;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #0a0c11; font-weight: 700;
  padding: 4px 10px; border-radius: 999px;
}
.plan .price { font-size: 2.4rem; font-weight: 800; margin: 10px 0 4px; letter-spacing: -.03em; font-family: var(--font-display); }
.plan .price small { font-size: .9rem; color: var(--fg-mute); font-weight: 500; }
.plan ul { margin: 18px 0 0; padding: 0; list-style: none; }
.plan li {
  padding: 8px 0; color: var(--fg-dim);
  display: flex; gap: 10px; align-items: flex-start;
}
.plan li svg { flex-shrink: 0; width: 18px; height: 18px; margin-top: 4px; color: var(--accent); }
.plan .btn { width: 100%; justify-content: center; margin-top: 22px; }

/* =========================================================
   FAQ
   ========================================================= */

.faq-item { border-bottom: 1px solid var(--line); padding: 20px 0; }
.faq-item:last-child { border-bottom: none; }
.faq-item summary {
  cursor: pointer; list-style: none;
  font-weight: 600; font-size: 1.04rem;
  display: flex; justify-content: space-between; align-items: center;
  padding: 4px 0; color: var(--fg);
  font-family: var(--font-display);
  letter-spacing: -.01em;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: ""; width: 16px; height: 16px; flex-shrink: 0; margin-left: 16px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M6 9l6 6 6-6' stroke='black' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>") center/contain no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M6 9l6 6 6-6' stroke='black' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>") center/contain no-repeat;
  color: var(--fg-mute);
  transition: transform .2s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(-180deg); color: var(--accent); }
.faq-item p { margin-top: 12px; color: var(--fg-dim); }

/* =========================================================
   Forms
   ========================================================= */

.form { display: grid; gap: 14px; }
.field { display: grid; gap: 6px; }
.field label { font-size: .86rem; color: var(--fg-dim); font-weight: 500; }
.field input, .field select, .field textarea {
  background: var(--bg-1);
  border: 1px solid var(--line);
  color: var(--fg);
  padding: 12px 14px;
  border-radius: var(--r-sm);
  font-size: .95rem;
  font-family: inherit;
  transition: border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}
.field input::placeholder, .field textarea::placeholder { color: var(--fg-faint); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-2);
  box-shadow: 0 0 0 4px rgba(154,182,255,.12);
}
.field textarea { min-height: 160px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.form-actions { display: flex; gap: 14px; align-items: center; margin-top: 6px; flex-wrap: wrap; }
.form-note { font-size: .86rem; color: var(--fg-mute); }

/* =========================================================
   Timeline (about page)
   ========================================================= */

.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px;
  width: 1px; background: var(--line);
}
.timeline-item { position: relative; padding: 8px 0 28px; }
.timeline-item::before {
  content: ""; position: absolute; left: -23px; top: 14px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(154,182,255,.12);
}
.timeline-item .when {
  font-size: .82rem; color: var(--fg-mute);
  letter-spacing: .08em; text-transform: uppercase;
  margin-bottom: 4px;
}
.timeline-item h3 { margin: 0 0 4px; font-size: 1.1rem; }
.timeline-item p { margin: 0; }

/* =========================================================
   Marquee
   ========================================================= */

.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--glass);
  padding: 22px 0;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee-track {
  display: flex; gap: 56px;
  white-space: nowrap;
  animation: marquee 38s linear infinite;
  color: var(--fg-mute);
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -.01em;
}
.marquee-track span { display: inline-flex; align-items: center; gap: 12px; }
.marquee-track span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* =========================================================
   Stat row
   ========================================================= */

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border-radius: var(--r-md); overflow: hidden; }
@media (max-width: 720px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat { background: var(--bg-1); padding: 24px; }
.stat .n {
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 700; letter-spacing: -.02em;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat .l { color: var(--fg-mute); font-size: .85rem; margin-top: 4px; }

/* =========================================================
   Quote / testimonial
   ========================================================= */

.quote {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  line-height: 1.4;
  letter-spacing: -.02em;
  color: var(--fg);
}
.quote .by {
  display: block; margin-top: 14px;
  font-family: var(--font-sans); font-size: .88rem; color: var(--fg-mute);
  letter-spacing: 0;
}

/* =========================================================
   Prose (article body)
   ========================================================= */

.prose { max-width: 680px; margin: 0 auto; }
.prose h2 { margin-top: 1.8em; }
.prose h3 { margin-top: 1.4em; }
.prose p, .prose ul, .prose ol { color: var(--fg-dim); font-size: 1.02rem; line-height: 1.75; }
.prose ul, .prose ol { padding-left: 1.2em; }
.prose li { margin: .35em 0; }
.prose blockquote {
  margin: 1.5em 0;
  padding: 6px 0 6px 20px;
  border-left: 2px solid var(--accent);
  color: var(--fg);
  font-style: italic;
}
.prose code {
  font-family: var(--font-mono);
  font-size: .9em;
  background: var(--bg-2);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 5px;
  color: var(--accent);
}
.prose pre {
  font-family: var(--font-mono);
  font-size: .88rem;
  line-height: 1.6;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 16px 18px;
  overflow-x: auto;
  color: var(--fg);
}
.prose pre code { background: transparent; border: 0; padding: 0; color: inherit; }
.prose hr { border: none; border-top: 1px solid var(--line); margin: 2.4em 0; }
.prose a { border-bottom: 1px solid currentColor; }

/* article meta */
.article-head { text-align: center; padding: 96px 0 36px; }
.article-head .when {
  display: inline-block;
  color: var(--fg-mute); font-size: .85rem; letter-spacing: .12em; text-transform: uppercase;
  margin-bottom: 18px;
}
.article-head h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); }
.article-head .lede { margin: 18px auto 0; }

/* =========================================================
   Footer
   ========================================================= */

footer {
  border-top: 1px solid var(--line);
  margin-top: 96px;
  padding: 56px 0 36px;
  color: var(--fg-mute);
  font-size: .9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 36px;
}
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer-grid h4 {
  color: var(--fg); font-size: .82rem; letter-spacing: .12em; text-transform: uppercase;
  margin: 0 0 14px; font-family: var(--font-sans); font-weight: 600;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer-grid a { color: var(--fg-dim); }
.footer-grid a:hover { color: var(--fg); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  gap: 20px; flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}
.footer-bottom .small { font-size: .82rem; color: var(--fg-mute); }

/* =========================================================
   Reveal on scroll
   ========================================================= */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.reveal.in { opacity: 1; transform: none; }
.reveal.delay-1 { transition-delay: .08s; }
.reveal.delay-2 { transition-delay: .16s; }
.reveal.delay-3 { transition-delay: .24s; }
.reveal.delay-4 { transition-delay: .32s; }

/* =========================================================
   Responsive split rows
   ========================================================= */

/* featured project / showcase split (image + copy) */
.row-feat {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 36px;
  align-items: center;
}
/* generic split: content + trailing CTA / meta */
.row-split {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}
/* blog/writing list row: date + title + trailing arrow */
.row-post {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 20px;
  align-items: center;
}

@media (max-width: 880px) {
  .row-feat { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 720px) {
  .row-split { grid-template-columns: 1fr; gap: 18px; }
  .row-split > *:last-child { justify-self: start; }
  .row-split > *:last-child .btn { width: 100%; justify-content: center; }
}
@media (max-width: 560px) {
  .row-post { grid-template-columns: 1fr; gap: 4px; padding: 18px 20px; }
  .row-post > *:last-child { display: none; }
}

/* =========================================================
   Tables — make horizontally scrollable on small screens
   ========================================================= */

.table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.table-scroll table { min-width: 560px; }

/* =========================================================
   Small-screen tightening
   ========================================================= */

@media (max-width: 700px) {
  section { padding: 64px 0; }
  section.tall { padding: 88px 0; }
  section.tight { padding: 40px 0; }
  .hero { padding: 80px 0 56px; }
  .hero.compact { padding: 56px 0 40px; }
  .app-hero { padding: 56px 0 24px; }
  .card { padding: 22px; }
  .card.tight { padding: 18px; }
  .plan { padding: 26px; }
  footer { margin-top: 64px; padding: 40px 0 28px; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .btn { padding: 11px 18px; font-size: .9rem; }
  .btn.lg { padding: 13px 20px; font-size: .94rem; }
  .hero-cta { gap: 10px; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .nav-cta .btn { width: auto; }
  .footer-grid { gap: 24px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat { padding: 18px; }
  .stat .n { font-size: 1.7rem; }
}

/* prevent any stray inline grid from stretching past viewport */
.card[style*="grid"], a.card[style*="grid"] { max-width: 100%; }

/* =========================================================
   404 / utility
   ========================================================= */

.center-page {
  min-height: 70vh;
  display: grid; place-items: center;
  text-align: center;
  padding: 80px 24px;
}
.center-page h1 {
  font-size: clamp(4rem, 14vw, 9rem);
  margin-bottom: 8px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}