/* ============================================================
   ProfeOS – Styles
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --mint: #2dbf9e;
  --mint-dark: #159d80;
  --ink: #1f2933;
  --muted: #64717c;
  --line: #e3e8e8;
  --paper: #f6f7f8;
  --white: #fff;
  --sans: 'Inter', Geist, Manrope, "Segoe UI", Arial, sans-serif;

  /* Dark-mode overrides (applied via .dark on <html>) */
  --dm-bg: #111827;
  --dm-surface: #1f2937;
  --dm-surface-alt: #27303f;
  --dm-border: #374151;
  --dm-text: #f0f3f5;
  --dm-muted: #9ca3af;
  --dm-accent: #34d399;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
img { max-width: 100%; height: auto; }

/* ---------- Utilities ---------- */
.container { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }

/* ---------- Skip link ---------- */
.skip-link {
  position: fixed; z-index: 200; left: 16px; top: -60px;
  padding: 10px 16px; background: var(--ink); color: #fff; border-radius: 4px;
  transition: top .2s;
}
.skip-link:focus { top: 16px; }

/* ---------- Focus-visible (accessibility) ---------- */
:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}
button:focus:not(:focus-visible), a:focus:not(:focus-visible), input:focus:not(:focus-visible) {
  outline: none;
}

/* ============================================================
   Header / Nav
   ============================================================ */
.site-header {
  position: fixed; top: 0; z-index: 20; width: 100%;
  transition: background .25s, border-color .25s, box-shadow .25s;
}
.site-header.is-scrolled {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.nav { height: 76px; display: flex; align-items: center; justify-content: space-between; }

/* Brand */
.brand { display: inline-flex; align-items: center; gap: 8px; font-size: 22px; font-weight: 700; letter-spacing: 0; }
.brand > span > span { color: var(--mint); }
.brand-mark { width: 23px; height: 29px; fill: none; stroke: var(--mint); stroke-width: 4; stroke-linejoin: round; }

/* Nav links */
.nav-links { display: flex; gap: 29px; margin-left: 90px; }
.nav-links a, .footer-links a { font-size: 14px; color: #53606b; transition: color .2s; }
.nav-links a:hover, .footer-links a:hover { color: var(--mint-dark); }

/* CTA */
.nav-cta { font-size: 14px; font-weight: 600; }
.nav-cta-app { color: var(--mint-dark); border: 1.5px solid var(--mint); border-radius: 5px; padding: 6px 14px; margin-left: 12px; }
.nav-cta-app:hover { background: rgba(45,191,158,.1); }
.nav-cta span, .button span, .text-link span { margin-left: 5px; }

/* ---------- Dark-mode toggle ---------- */
.theme-toggle {
  background: none; border: 1.5px solid var(--line); border-radius: 50%;
  width: 36px; height: 36px; display: inline-flex; align-items: center;
  justify-content: center; cursor: pointer; color: var(--muted);
  transition: border-color .2s, color .2s, background .2s; margin-left: 14px;
}
.theme-toggle:hover { border-color: var(--mint); color: var(--mint); background: rgba(45,191,158,.06); }
.theme-toggle .icon-sun, .theme-toggle .icon-moon { width: 18px; height: 18px; }
.theme-toggle .icon-moon { display: none; }

/* ---------- Hamburger (animated) ---------- */
.menu-button {
  display: none; background: none; border: 0; width: 38px; height: 38px;
  padding: 8px; cursor: pointer; position: relative; z-index: 30;
}
.menu-button span {
  display: block; height: 2px; background: var(--ink); border-radius: 1px;
  position: absolute; left: 9px; width: 20px;
  transition: transform .3s ease, opacity .3s ease, top .3s ease;
}
.menu-button span:first-child { top: 13px; }
.menu-button span:last-child  { top: 23px; }
.menu-button[aria-expanded="true"] span:first-child {
  top: 18px; transform: rotate(45deg);
}
.menu-button[aria-expanded="true"] span:last-child {
  top: 18px; transform: rotate(-45deg);
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  min-height: 760px; padding: 170px 0 82px; overflow: hidden;
  background: linear-gradient(125deg, #fff 0%, #fff 58%, #effbf8 100%);
}
.hero-grid { display: grid; grid-template-columns: .88fr 1.12fr; align-items: center; gap: 46px; }

.eyebrow, .section-label {
  margin: 0 0 18px; text-transform: uppercase; letter-spacing: 1.7px;
  font-size: 11px; font-weight: 700; color: #66727b;
}
.eyebrow { display: flex; align-items: center; gap: 9px; color: var(--mint-dark); }
.status-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--mint);
  box-shadow: 0 0 0 5px rgba(45,191,158,.13);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 5px rgba(45,191,158,.13); }
  50%      { box-shadow: 0 0 0 9px rgba(45,191,158,.06); }
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  font-size: clamp(44px, 5.1vw, 72px); line-height: 1.06; letter-spacing: 0;
  font-weight: 680; margin-bottom: 27px;
}
h1 em, h2 em { font-style: normal; color: var(--mint); }

.hero-text { max-width: 480px; font-size: 18px; line-height: 1.65; color: var(--muted); margin-bottom: 35px; }
.hero-actions { display: flex; gap: 20px; align-items: center; }

/* Buttons */
.button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 20px; border: 1px solid transparent;
  border-radius: 5px; font-size: 14px; font-weight: 650; cursor: pointer;
  transition: transform .2s, background .2s, box-shadow .2s;
}
.button:hover { transform: translateY(-2px); }
.button-primary {
  background: var(--mint); color: #093a31;
  box-shadow: 0 7px 16px rgba(45,191,158,.2);
}
.button-primary:hover { background: #43caaa; box-shadow: 0 10px 22px rgba(45,191,158,.28); }
.button-secondary {
  background: transparent; color: var(--mint-dark);
  border: 2px solid var(--mint);
}
.button-secondary:hover { background: rgba(45,191,158,.08); box-shadow: 0 4px 12px rgba(45,191,158,.15); }
.button-quiet { color: #53606b; }
.button-quiet:hover { background: rgba(31,41,51,.05); }

.availability { margin: 31px 0 0; font-size: 12px; color: #8a949b; }

/* Hero product image */
.hero-product { position: relative; max-width: 665px; margin-left: auto; }
.hero-product img {
  position: relative; z-index: 1; display: block; width: 100%; height: auto;
  filter: drop-shadow(0 28px 45px rgba(25,59,53,.16));
  transform: perspective(1400px) rotateY(-3deg) rotateX(1deg);
  transition: transform .5s ease;
}
.hero-product:hover img {
  transform: perspective(1400px) rotateY(0deg) rotateX(0deg);
}

.product-orbit {
  position: absolute; border: 1px solid rgba(45,191,158,.22); border-radius: 50%;
  animation: orbit-spin 30s linear infinite;
}
.orbit-one { width: 510px; height: 510px; right: -130px; top: -105px; }
.orbit-two { width: 320px; height: 320px; left: -80px; bottom: -98px; animation-direction: reverse; animation-duration: 24s; }
@keyframes orbit-spin { to { transform: rotate(360deg); } }

/* ============================================================
   Purpose
   ============================================================ */
.section { padding: 130px 0; }
.purpose { background: var(--paper); }
.purpose-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 30px; }
.purpose h2, .section-heading h2, .screens h2, .beta h2 {
  font-size: clamp(35px, 4vw, 55px); line-height: 1.1; letter-spacing: 0;
  font-weight: 680; margin-bottom: 27px;
}
.purpose p:not(.section-label) {
  max-width: 680px; font-size: 19px; line-height: 1.65; color: var(--muted); margin-bottom: 30px;
}
.text-link { font-size: 14px; font-weight: 650; color: var(--mint-dark); transition: color .2s; }
.text-link:hover { color: var(--mint); }

/* ============================================================
   Features
   ============================================================ */
.features { padding-bottom: 80px; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 58px; }
.section-heading h2 { margin: 0; min-width: 65%; }
.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line); border-left: 1px solid var(--line);
}
.feature {
  min-height: 213px; padding: 27px;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  transition: background .25s, transform .25s;
}
.feature:hover { background: #f7fcfb; transform: translateY(-2px); }
.feature-icon { display: block; width: 27px; height: 27px; margin-bottom: 38px; position: relative; color: var(--mint); }
.feature h3 { font-size: 16px; margin-bottom: 7px; }
.feature p { font-size: 14px; color: var(--muted); margin: 0; }

/* Icon shapes */
.icon-building { border: 1.7px solid currentColor; border-radius: 2px; }
.icon-building::before, .icon-building::after { content: ""; position: absolute; width: 3px; height: 3px; background: currentColor; top: 7px; }
.icon-building::before { left: 6px; box-shadow: 8px 0 0 currentColor; }
.icon-building::after  { left: 6px; top: 15px; box-shadow: 8px 0 0 currentColor; }
.icon-grid {
  background: linear-gradient(currentColor 0 0) 0 0/11px 11px,
              linear-gradient(currentColor 0 0) 100% 0/11px 11px,
              linear-gradient(currentColor 0 0) 0 100%/11px 11px,
              linear-gradient(currentColor 0 0) 100% 100%/11px 11px;
  background-repeat: no-repeat;
}
.icon-check { border: 1.7px solid currentColor; border-radius: 50%; }
.icon-check::after {
  content: ""; position: absolute; width: 10px; height: 5px;
  border-left: 1.7px solid; border-bottom: 1.7px solid;
  transform: rotate(-45deg); top: 8px; left: 7px;
}
.icon-chart::after {
  content: ""; position: absolute; inset: 3px;
  border-left: 1.7px solid; border-bottom: 1.7px solid;
}
.icon-chart::before {
  content: ""; position: absolute; width: 19px; height: 10px;
  border-top: 1.7px solid; transform: rotate(-28deg); top: 9px; left: 4px;
}
.icon-spark::before {
  content: ""; position: absolute; inset: 2px; background: currentColor;
  clip-path: polygon(50% 0, 63% 37%, 100% 50%, 63% 63%, 50% 100%, 37% 63%, 0 50%, 37% 37%);
}
.icon-calendar { border: 1.7px solid currentColor; border-radius: 3px; }
.icon-calendar::before { content: ""; position: absolute; left: 0; right: 0; top: 6px; border-top: 1.7px solid; }

/* Trust strip */
.trust-strip { display: flex; justify-content: space-between; gap: 22px; padding: 36px 0 0; font-size: 14px; color: #53606b; }
.trust-strip > span { display: flex; align-items: center; gap: 10px; }
.mini-icon { width: 18px; height: 18px; border: 1.5px solid var(--mint); border-radius: 50%; position: relative; }
.offline::after { content: ""; position: absolute; width: 7px; border-top: 1.5px solid var(--mint); transform: rotate(-45deg); top: 7px; left: 4px; }
.backup::after  { content: ""; position: absolute; line-height: 15px; left: 4px; color: var(--mint); font-size: 13px; }
.ai { border: 0; background: var(--mint); clip-path: polygon(50% 0, 65% 35%, 100% 50%, 65% 65%, 50% 100%, 35% 65%, 0 50%, 35% 35%); }

/* ============================================================
   Screens (dark section)
   ============================================================ */
.screens { overflow: hidden; background: #193e39; color: #f8ffff; }
.screens-layout { display: grid; grid-template-columns: .87fr 1.13fr; align-items: center; gap: 68px; }
.screens .section-label { color: #7fe0ca; }
.screens-copy h2 { color: #fff; }
.screens-copy > p:last-child { max-width: 400px; color: #bdd3ce; font-size: 17px; line-height: 1.65; }
.phone-row { height: 480px; position: relative; display: flex; justify-content: center; gap: 24px; align-items: end; }
.phone {
  position: relative; width: 230px; overflow: hidden;
  border: 7px solid #0d2824; border-radius: 31px; background: #fff;
  box-shadow: 0 26px 40px rgba(0,0,0,.25);
  transition: transform .4s ease;
}
.phone:hover { transform: translateY(-6px); }
.phone::before {
  content: ""; position: absolute; z-index: 2; top: 8px; left: 50%;
  width: 78px; height: 18px; background: #0d2824; border-radius: 12px;
  transform: translateX(-50%);
}
.phone img { display: block; width: 100%; height: auto; }
.phone-back { width: 205px; transform: translateY(-29px); opacity: .74; }

/* ============================================================
   Principles
   ============================================================ */
.principles { padding-bottom: 145px; }
.centered { text-align: center; display: block; }
.centered h2 { min-width: 0; }
.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 58px; }
.principle {
  position: relative; padding: 28px 0 0; border-top: 1px solid var(--line);
  transition: border-color .3s;
}
.principle:hover { border-color: var(--mint); }
.principle-number { font-size: 12px; color: #97a0a6; }
.principle-symbol { height: 86px; display: flex; align-items: center; color: var(--mint); font-size: 56px; font-weight: 300; }
.principle h3 { font-size: 19px; margin-bottom: 10px; }
.principle p { max-width: 285px; font-size: 15px; line-height: 1.6; color: var(--muted); margin: 0; }

/* ============================================================
   Roadmap
   ============================================================ */
.roadmap { background: var(--paper); }
.timeline {
  list-style: none; margin: 58px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); position: relative;
}
.timeline::before {
  content: ""; position: absolute; left: 0; right: 0; top: 7px;
  border-top: 1px solid #cbd4d3;
}
.timeline li { position: relative; padding: 35px 30px 0 0; }
.timeline-dot {
  position: absolute; z-index: 1; top: 0; left: 0;
  width: 15px; height: 15px; border: 3px solid var(--paper); border-radius: 50%;
  background: #a6b3b1; transition: background .3s, box-shadow .3s;
}
.timeline .current .timeline-dot { background: var(--mint); box-shadow: 0 0 0 5px rgba(45,191,158,.13); }
.timeline-version {
  font-size: 12px; text-transform: uppercase; letter-spacing: 1.4px;
  color: var(--mint-dark); font-weight: 700; margin-bottom: 12px;
}
.timeline h3 { font-size: 18px; margin-bottom: 8px; }
.timeline li p:last-child { font-size: 14px; line-height: 1.55; color: var(--muted); margin: 0; max-width: 285px; }

/* ============================================================
   Beta
   ============================================================ */
.beta {
  padding: 0;
  background: linear-gradient(130deg, #e5f8f3 0%, #ecfaf7 55%, #d7f3ec 100%);
}
.beta-inner { min-height: 515px; display: grid; grid-template-columns: 1fr 400px; gap: 95px; align-items: center; }
.beta h2 { margin: 0 0 21px; }
.beta h2 em { color: var(--mint-dark); }
.beta-inner > div > p:last-child { font-size: 16px; color: #58706b; max-width: 390px; line-height: 1.6; }
.beta-form { display: flex; flex-direction: column; gap: 8px; }
.beta-form label { font-size: 12px; font-weight: 650; color: #39514c; margin-top: 5px; }
.beta-form input {
  width: 100%; height: 47px; padding: 0 13px;
  background: rgba(255,255,255,.78); border: 1px solid #c3ded7;
  border-radius: 4px; color: var(--ink); outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.beta-form input:focus { border-color: var(--mint); box-shadow: 0 0 0 3px rgba(45,191,158,.16); }
.beta-form button { margin-top: 12px; align-self: flex-start; }
.form-status { min-height: 22px; margin: 7px 0 0; color: #167a66; font-size: 13px; }

/* ============================================================
   Footer
   ============================================================ */
.footer { padding: 55px 0 22px; background: #1f2933; color: #fff; }
.footer-inner { display: flex; align-items: flex-start; justify-content: space-between; padding-bottom: 55px; }
.footer .brand { color: #fff; }
.footer p { margin: 15px 0 0; color: #a9b4b9; font-size: 14px; }
.footer-links { display: flex; gap: 28px; padding-top: 8px; }
.footer-links a { color: #bdc6ca; transition: color .2s; }
.footer-links a:hover { color: var(--mint); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); font-size: 12px; color: #91a0a6; }

/* ============================================================
   Reveal animations (improved)
   ============================================================ */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Staggered children inside grids */
.feature-grid .reveal:nth-child(1) { transition-delay: .0s; }
.feature-grid .reveal:nth-child(2) { transition-delay: .08s; }
.feature-grid .reveal:nth-child(3) { transition-delay: .16s; }
.feature-grid .reveal:nth-child(4) { transition-delay: .24s; }
.feature-grid .reveal:nth-child(5) { transition-delay: .32s; }
.feature-grid .reveal:nth-child(6) { transition-delay: .40s; }

.principle-grid .reveal:nth-child(1) { transition-delay: .0s; }
.principle-grid .reveal:nth-child(2) { transition-delay: .12s; }
.principle-grid .reveal:nth-child(3) { transition-delay: .24s; }

.timeline .reveal:nth-child(1) { transition-delay: .0s; }
.timeline .reveal:nth-child(2) { transition-delay: .12s; }
.timeline .reveal:nth-child(3) { transition-delay: .24s; }

/* ============================================================
   Scroll-to-top button
   ============================================================ */
.scroll-top {
  position: fixed; bottom: 32px; right: 32px; z-index: 50;
  width: 48px; height: 48px; border-radius: 50%; border: none;
  background: var(--mint); color: #093a31; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(45,191,158,.3);
  opacity: 0; transform: translateY(16px); pointer-events: none;
  transition: opacity .3s, transform .3s, background .2s;
}
.scroll-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.scroll-top:hover { background: #43caaa; transform: translateY(-2px); }
.scroll-top svg { width: 22px; height: 22px; }

/* ============================================================
   Cafecito
   ============================================================ */
.cafecito-button { display: inline-flex; margin-top: 18px; border-radius: 5px; transition: transform .2s; }
.cafecito-button:hover { transform: translateY(-2px); }
.cafecito-button img { display: block; height: 40px; width: auto; }
.form-contact { margin: 2px 0 0; font-size: 12px; color: #58706b; }
.form-contact a { color: #167a66; font-weight: 650; }

/* ============================================================
   DARK MODE  (.dark on <html>)
   ============================================================ */
.dark {
  --white: var(--dm-bg);
  --paper: var(--dm-surface);
  --ink: var(--dm-text);
  --muted: var(--dm-muted);
  --line: var(--dm-border);
  --mint: var(--dm-accent);
  --mint-dark: #6ee7b7;
}

.dark .site-header.is-scrolled {
  background: rgba(17,24,39,.92);
}
.dark .hero {
  background: linear-gradient(125deg, var(--dm-bg) 0%, var(--dm-bg) 58%, var(--dm-surface) 100%);
}
.dark .feature:hover { background: var(--dm-surface-alt); }
.dark .button-primary { box-shadow: 0 7px 16px rgba(52,211,153,.15); }
.dark .button-primary:hover { box-shadow: 0 10px 22px rgba(52,211,153,.22); }
.dark .beta-form input { background: rgba(255,255,255,.06); border-color: var(--dm-border); color: var(--dm-text); }
.dark .beta-form label { color: var(--dm-muted); }
.dark .beta { background: linear-gradient(130deg, var(--dm-surface) 0%, var(--dm-surface-alt) 100%); }
.dark .beta h2 em { color: var(--dm-accent); }
.dark .scroll-top { background: var(--dm-accent); color: var(--dm-bg); }
.dark .scroll-top:hover { background: #6ee7b7; }
.dark .nav-links a, .dark .footer-links a { color: var(--dm-muted); }
.dark .nav-links a:hover, .dark .footer-links a:hover { color: var(--dm-accent); }
.dark .footer { background: #0b1120; }
.dark .principle:hover { border-color: var(--dm-accent); }
.dark .theme-toggle { border-color: var(--dm-border); color: var(--dm-muted); }
.dark .theme-toggle:hover { border-color: var(--dm-accent); color: var(--dm-accent); background: rgba(52,211,153,.08); }
.dark .menu-button span { background: var(--dm-text); }
.dark .site-header.menu-open { background: var(--dm-bg); border-color: var(--dm-border); }
.dark .site-header.menu-open .nav-links { background: var(--dm-bg); border-color: var(--dm-border); }
.dark .skip-link { background: var(--dm-text); color: var(--dm-bg); }

/* ============================================================
   Privacy / Legal pages
   ============================================================ */
.privacy-content h2 {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 680;
  margin: 48px 0 14px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.privacy-content h2:first-of-type { border-top: 0; margin-top: 0; }
.privacy-content h3 {
  font-size: 17px;
  font-weight: 650;
  margin: 28px 0 8px;
  color: var(--mint-dark);
}
.privacy-content p,
.privacy-content li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}
.privacy-content p { margin: 0 0 16px; }
.privacy-content ul,
.privacy-content ol {
  margin: 0 0 16px;
  padding-left: 22px;
}
.privacy-content li { margin-bottom: 6px; }
.privacy-content a { color: var(--mint-dark); font-weight: 600; }
.privacy-content a:hover { color: var(--mint); }
.privacy-meta {
  display: flex; gap: 24px; margin: 12px 0 36px;
  font-size: 13px; color: var(--muted);
}
.privacy-meta span { display: flex; align-items: center; gap: 6px; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 760px) {
  .container { width: min(100% - 38px, 560px); }
  .nav { height: 66px; }
  .nav-links, .nav-cta { display: none; }
  .menu-button { display: block; }
  .theme-toggle { position: absolute; right: 56px; top: 15px; }

  .site-header.menu-open { background: #fff; border-bottom: 1px solid var(--line); }
  .site-header.menu-open .nav-links {
    position: absolute; display: flex; top: 66px; left: 0; right: 0;
    margin: 0; padding: 20px calc((100% - min(100% - 38px, 560px)) / 2) 25px;
    background: #fff; flex-direction: column; gap: 17px;
    border-bottom: 1px solid var(--line);
  }

  .hero { min-height: auto; padding: 127px 0 68px; }
  .hero-grid, .purpose-grid, .screens-layout, .beta-inner { grid-template-columns: 1fr; gap: 38px; }
  .hero-copy { order: 0; }
  .hero-product { width: 110%; margin-left: -4%; }
  .hero-text { font-size: 16px; }
  .hero-actions { gap: 8px; align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .button-quiet { justify-content: flex-start; padding-left: 4px; }
  .availability { margin-top: 19px; }
  .section { padding: 82px 0; }
  .purpose-grid { gap: 3px; }
  .purpose p:not(.section-label) { font-size: 17px; }
  .section-heading { display: block; margin-bottom: 38px; }
  .section-heading h2 { min-width: 0; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature { min-height: 181px; padding: 20px; }
  .feature-icon { margin-bottom: 30px; }
  .trust-strip { flex-direction: column; padding-top: 27px; gap: 15px; }
  .screens { padding-bottom: 0; }
  .screens-layout { gap: 12px; }
  .phone-row { height: 403px; justify-content: flex-end; gap: 16px; }
  .phone { width: 190px; border-width: 6px; border-radius: 26px; }
  .phone-back { width: 169px; }
  .principles { padding-bottom: 87px; }
  .principle-grid { grid-template-columns: 1fr; gap: 28px; margin-top: 40px; }
  .principle-symbol { height: 58px; font-size: 43px; }
  .timeline { display: block; margin-top: 40px; }
  .timeline::before { top: 0; bottom: 0; left: 7px; right: auto; }
  .timeline li { padding: 0 0 35px 35px; }
  .timeline-dot { top: 0; }
  .beta-inner { min-height: auto; padding: 82px 0; gap: 27px; }
  .beta-form button { width: 100%; }
  .footer { padding-top: 42px; }
  .footer-inner, .footer-bottom { display: block; }
  .footer-links { flex-direction: column; gap: 13px; padding-top: 37px; }
  .footer-bottom { margin-top: 28px; }
  .footer-bottom span:last-child { display: block; margin-top: 8px; }
  .scroll-top { bottom: 20px; right: 20px; width: 42px; height: 42px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .button { transition: none; }
  .hero-product img { transform: none; }
  .product-orbit { animation: none; }
  .status-dot { animation: none; }
  .phone { transition: none; }
}
