/* Oratex AI — company site. One stylesheet, no build step.
   Design: deep-navy hero with gradient glows, Sora for display type, Inter
   for text, one blue→teal accent used sparingly, light content sections. */
:root {
  --ink: #0a0f1e;
  --ink-2: #1c2436;
  --text: #2d3648;
  --muted: #5f6b80;
  --faint: #8d97aa;
  --line: #e5e9f0;
  --line-2: #d3d9e3;
  --bg: #ffffff;
  --bg-2: #f5f7fb;
  --accent: #2f6bff;
  --accent-deep: #1d4fd6;
  --accent-soft: #e8efff;
  --teal: #14b8a6;
  --teal-deep: #0d8f81;
  --teal-soft: #e0f7f4;
  --amber: #d99a2b;
  --amber-soft: #fff5e0;
  --grad: linear-gradient(120deg, #3b82f6 0%, #14b8a6 100%);
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 1px 2px rgba(10, 15, 30, .04), 0 24px 48px -28px rgba(10, 15, 30, .28);
  --shadow-lg: 0 40px 80px -40px rgba(10, 15, 30, .45);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --display: 'Sora', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.65; font-size: 16.5px; -webkit-font-smoothing: antialiased; overflow-x: clip; }
.hero .wrap > *, .product > *, .contact > *, .grid-2 > *, .grid-3 > *, .founders > *, .values > * { min-width: 0; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; }
h1, h2, h3, h4 { font-family: var(--display); color: var(--ink); line-height: 1.1; letter-spacing: -0.025em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.4rem, 5.4vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.5rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 48ch; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 28px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: .76rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; }
.eyebrow::before { content: ''; width: 22px; height: 2px; border-radius: 2px; background: currentColor; opacity: .7; }
.eyebrow.teal { color: var(--teal-deep); }
.eyebrow.amber { color: var(--amber); }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---- header ---- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.82); backdrop-filter: saturate(160%) blur(14px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: 28px; height: 72px; position: relative; }
.brand { display: flex; align-items: center; gap: 11px; color: var(--ink); font-family: var(--display); font-weight: 700; letter-spacing: -0.02em; font-size: 1.2rem; }
.brand:hover { text-decoration: none; }
.brand img { width: 32px; height: 32px; }
.nav { display: flex; gap: 28px; margin-left: auto; align-items: center; }
.nav a { color: var(--ink-2); font-weight: 500; font-size: .95rem; position: relative; }
.nav a:not(.btn)::after { content: ''; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; border-radius: 2px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.nav a:not(.btn):hover::after, .nav a.active::after { transform: scaleX(1); }
.nav a:hover { color: var(--ink); text-decoration: none; }
.nav a.active { color: var(--ink); }
.nav a.btn-primary, .nav a.btn-primary.active { color: #fff; }
.btn { display: inline-flex; align-items: center; gap: 8px; height: 46px; padding: 0 22px; border-radius: 999px; font-weight: 600; font-size: .95rem; border: 1px solid transparent; cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s, border-color .15s; white-space: nowrap; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: var(--ink); color: #fff; box-shadow: 0 12px 28px -14px rgba(10,15,30,.7); }
.btn-primary:hover { background: #172038; }
.btn-accent { background: var(--grad); color: #fff; box-shadow: 0 14px 30px -14px rgba(47,107,255,.8); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-light { background: #fff; color: var(--ink); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.btn-outline-light:hover { border-color: #fff; }
.nav-toggle { display: none; margin-left: auto; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 12px; background: #fff; cursor: pointer; }
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); margin: 3px auto; border-radius: 2px; }

/* ---- hero (dark) ---- */
.hero { position: relative; overflow: hidden; padding: 104px 0 88px; color: #fff; background: var(--ink); }
.hero::before { content: ''; position: absolute; inset: 0; background:
  radial-gradient(760px 420px at 18% 0%, rgba(59,130,246,.34), transparent 62%),
  radial-gradient(640px 400px at 88% 20%, rgba(20,184,166,.30), transparent 60%),
  radial-gradient(900px 500px at 50% 120%, rgba(59,130,246,.18), transparent 60%); }
.hero::after { content: ''; position: absolute; inset: 0; opacity: .35; background-image:
  linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
  linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 48px 48px;
  mask-image: radial-gradient(70% 70% at 50% 40%, #000 30%, transparent 100%); -webkit-mask-image: radial-gradient(70% 70% at 50% 40%, #000 30%, transparent 100%); }
.hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.hero h1 { color: #fff; }
.hero .lead { color: rgba(255,255,255,.74); font-size: 1.2rem; }
.hero .eyebrow { color: #7fb0ff; }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.hero .chip-row { margin-top: 34px; }
.hero .chip { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.14); color: rgba(255,255,255,.88); box-shadow: none; backdrop-filter: blur(6px); }
.hero-art { position: relative; aspect-ratio: 1 / 1; max-width: 560px; justify-self: end; width: 100%; }
.hero-art svg { width: 100%; height: 100%; display: block; }
.chip-row { display: flex; gap: 10px; flex-wrap: wrap; }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-size: .86rem; color: var(--ink-2); font-weight: 500; box-shadow: var(--shadow); }
.chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); display: inline-block; box-shadow: 0 0 0 3px rgba(47,107,255,.2); }
.chip i.teal { background: var(--teal); box-shadow: 0 0 0 3px rgba(20,184,166,.2); }
.chip i.amber { background: var(--amber); box-shadow: 0 0 0 3px rgba(217,154,43,.2); }

/* hero illustration motion */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes spin-r { to { transform: rotate(-360deg); } }
@keyframes pulse { 0%, 100% { opacity: .55; transform: scale(1); } 50% { opacity: 1; transform: scale(1.06); } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.orbit { transform-origin: 260px 250px; animation: spin 26s linear infinite; }
.orbit.r { animation: spin-r 40s linear infinite; }
.core { transform-origin: 260px 250px; animation: pulse 3.2s ease-in-out infinite; }
.float { animation: float 5s ease-in-out infinite; }
.float.d { animation-delay: -2.4s; }

/* ---- devices strip ---- */
.strip { border-bottom: 1px solid var(--line); background: var(--bg); }
.strip .wrap { display: flex; align-items: center; gap: 12px 28px; flex-wrap: wrap; padding-top: 18px; padding-bottom: 18px; }
.strip .lbl { font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); }
.strip .dev { display: inline-flex; align-items: center; gap: 9px; color: var(--ink-2); font-weight: 500; font-size: .95rem; }
.strip .dev svg { width: 20px; height: 20px; color: var(--accent); }

/* ---- sections ---- */
.section { padding: 96px 0; }
.section.alt { background: var(--bg-2); }
.section.dark { background: var(--ink); color: #fff; }
.section.dark h2, .section.dark h3 { color: #fff; }
.section.dark .lead { color: rgba(255,255,255,.72); }
.section-head { max-width: 680px; margin-bottom: 48px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s, border-color .2s; overflow: hidden; }
.card::before { content: ''; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--grad); opacity: 0; transition: opacity .2s; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: transparent; text-decoration: none; }
.card:hover::before { opacity: 1; }
.card h3 { margin-top: 18px; }
.card p { color: var(--muted); }
.card .ic { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); }
.card .ic.teal { background: var(--teal-soft); color: var(--teal-deep); }
.card .ic.amber { background: var(--amber-soft); color: var(--amber); }
.card .ic svg { width: 24px; height: 24px; }
.card .more { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--ink); margin-top: 6px; }
.card .more svg { width: 16px; height: 16px; transition: transform .2s; }
.card:hover .more svg { transform: translateX(4px); }
.product { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.product.flip > :first-child { order: 2; }
.product ul { padding-left: 0; list-style: none; margin: 20px 0 30px; }
.product li { position: relative; padding-left: 32px; margin: 12px 0; color: var(--ink-2); }
.product li::before { content: ''; position: absolute; left: 0; top: .28em; width: 20px; height: 20px; border-radius: 50%; background: var(--accent-soft); }
.product li::after { content: ''; position: absolute; left: 6px; top: calc(.28em + 6px); width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.product.teal li::before { background: var(--teal-soft); }
.product.teal li::after { background: var(--teal); }
.panel { position: relative; border-radius: var(--radius-lg); padding: 40px; color: #fff; background: var(--ink); box-shadow: var(--shadow-lg); min-height: 340px; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; }
.panel::before { content: ''; position: absolute; inset: 0; background: radial-gradient(520px 300px at 100% 0%, rgba(59,130,246,.45), transparent 60%), radial-gradient(400px 260px at 0% 100%, rgba(20,184,166,.35), transparent 60%); }
.panel.teal::before { background: radial-gradient(520px 300px at 100% 0%, rgba(20,184,166,.5), transparent 60%), radial-gradient(400px 260px at 0% 100%, rgba(59,130,246,.3), transparent 60%); }
.panel > * { position: relative; }
.panel .big { font-family: var(--display); font-size: 2rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1.08; margin-bottom: 10px; }
.panel .small { color: rgba(255,255,255,.74); max-width: 36ch; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 30px; }
.stat { padding: 16px 16px; border-radius: 14px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(4px); }
.stat b { display: block; font-size: 1.02rem; }
.stat span { color: rgba(255,255,255,.7); font-size: .84rem; }
.pill-note { display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px; background: var(--amber-soft); color: #7a5410; font-size: .85rem; font-weight: 600; margin-top: 4px; }
.pill-note::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--amber); }

/* ---- founders ---- */
.founders { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.founder { position: relative; padding: 34px; border-radius: var(--radius-lg); background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; }
.founder::before { content: ''; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--grad); }
.founder .n { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; font-family: var(--display); font-weight: 700; color: #fff; background: var(--ink); margin-bottom: 20px; box-shadow: 0 0 0 6px var(--bg-2); }
.founder h3 { font-size: 1.12rem; }
.founder p { color: var(--muted); margin: 0; }
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.value { padding: 26px 24px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.value b { display: block; font-family: var(--display); color: var(--ink); margin-bottom: 8px; letter-spacing: -0.01em; }
.value span { color: var(--muted); font-size: .95rem; }

/* ---- CTA band ---- */
.cta { position: relative; overflow: hidden; background: var(--ink); color: #fff; padding: 84px 0; }
.cta::before { content: ''; position: absolute; inset: 0; background: radial-gradient(700px 360px at 10% 50%, rgba(59,130,246,.35), transparent 60%), radial-gradient(600px 320px at 95% 50%, rgba(20,184,166,.3), transparent 60%); }
.cta .wrap { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.cta h2 { color: #fff; margin: 0 0 8px; }
.cta p { color: rgba(255,255,255,.72); margin: 0; }

/* ---- contact ---- */
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-lg); }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: .86rem; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.field input, .field select, .field textarea { width: 100%; font: inherit; padding: 13px 15px; border: 1px solid var(--line-2); border-radius: 12px; background: #fff; color: var(--ink); outline: none; transition: border-color .15s, box-shadow .15s; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(47,107,255,.14); }
.field textarea { min-height: 140px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hp { position: absolute; left: -9999px; }
.form-note { font-size: .86rem; color: var(--faint); margin-top: 14px; }
.alert { padding: 14px 16px; border-radius: 12px; font-size: .95rem; margin-top: 16px; display: none; }
.alert.ok { display: block; background: var(--teal-soft); color: #0b5f56; }
.alert.err { display: block; background: #fdecec; color: #8f2d2d; }
.contact-side h2 { margin-bottom: 8px; }
.contact-side .item { display: flex; gap: 14px; align-items: flex-start; margin-top: 24px; }
.contact-side .item .ic { width: 42px; height: 42px; border-radius: 13px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; flex: none; }
.contact-side .item .ic svg { width: 20px; height: 20px; }
.contact-side .item b { display: block; color: var(--ink); }
.contact-side .item span { color: var(--muted); }

/* ---- footer ---- */
.site-footer { background: var(--bg-2); border-top: 1px solid var(--line); padding: 56px 0 32px; color: var(--muted); font-size: .94rem; }
.site-footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; padding-bottom: 32px; border-bottom: 1px solid var(--line); }
.site-footer .brand { margin-bottom: 12px; }
.site-footer .tag { max-width: 38ch; }
.site-footer h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; color: var(--faint); margin-bottom: 14px; font-family: var(--font); font-weight: 700; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 8px 0; }
.site-footer a { color: var(--ink-2); }
.site-footer a:hover { color: var(--accent); text-decoration: none; }
.site-footer .bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 22px; font-size: .86rem; color: var(--faint); }

/* ---- page hero (inner pages) ---- */
.page-hero { position: relative; overflow: hidden; padding: 84px 0 56px; background: var(--ink); color: #fff; }
.page-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(700px 380px at 12% 0%, rgba(59,130,246,.34), transparent 60%), radial-gradient(600px 360px at 92% 30%, rgba(20,184,166,.28), transparent 60%); }
.page-hero.teal::before { background: radial-gradient(700px 380px at 12% 0%, rgba(20,184,166,.36), transparent 60%), radial-gradient(600px 360px at 92% 30%, rgba(59,130,246,.26), transparent 60%); }
.page-hero .wrap { position: relative; }
.page-hero h1 { color: #fff; max-width: 20ch; }
.page-hero .lead { color: rgba(255,255,255,.74); max-width: 60ch; }
.page-hero .eyebrow { color: #7fb0ff; }
.page-hero .eyebrow.teal { color: #5eead4; }

/* ---- reveal on scroll ---- */
[data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
[data-reveal].in { opacity: 1; transform: none; }

/* ---- responsive ---- */
@media (max-width: 960px) {
  .hero .wrap, .product, .product.flip, .contact { grid-template-columns: 1fr; }
  .product.flip > :first-child { order: 0; }
  .hero-art { max-width: 480px; justify-self: center; }
  .grid-3, .founders { grid-template-columns: 1fr; }
  .values { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .site-footer .cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav { display: none; position: absolute; left: 0; right: 0; top: 72px; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 8px 28px 18px; box-shadow: var(--shadow-lg); }
  .nav.open { display: flex; }
  .nav a { padding: 13px 0; border-bottom: 1px solid var(--line); }
  .nav a:not(.btn)::after { display: none; }
  .nav .btn { margin-top: 14px; justify-content: center; }
  .nav-toggle { display: block; }
  .hero { padding: 64px 0 56px; }
  .section { padding: 64px 0; }
  .values { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr; }
  .card, .form, .founder, .panel { padding: 26px; }
  .site-footer .cols { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card { transition: none; }
  .orbit, .orbit.r, .core, .float { animation: none; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}