:root {
  --navy-950: #001039;
  --navy-900: #001b4f;
  --navy-800: #052e68;
  --navy-700: #0a417e;
  --blue-100: #eaf1fb;
  --gold-500: #f0a20e;
  --gold-400: #ffb51f;
  --gold-100: #fff2d1;
  --ink: #0b1732;
  --muted: #61708b;
  --line: #dce4ee;
  --surface: #ffffff;
  --surface-soft: #f6f8fc;
  --success: #1d8f66;
  --shadow: 0 24px 70px rgba(0, 27, 79, 0.14);
  --shadow-soft: 0 12px 35px rgba(0, 27, 79, 0.09);
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
::selection { background: var(--gold-500); color: var(--navy-950); }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  transform: translateY(-160%);
  z-index: 999;
  padding: 10px 14px;
  border-radius: 10px;
  background: #fff;
  color: var(--navy-950);
  box-shadow: var(--shadow-soft);
}
.skip-link:focus { transform: none; }

.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.section { padding: 104px 0; }
.section-tight { padding: 72px 0; }
.section-soft { background: var(--surface-soft); }
.section-dark {
  position: relative;
  overflow: hidden;
  color: white;
  background:
    radial-gradient(circle at 10% 10%, rgba(240,162,14,.22), transparent 27%),
    radial-gradient(circle at 90% 55%, rgba(41,108,182,.24), transparent 34%),
    linear-gradient(135deg, var(--navy-950), #032961 70%, #06295b);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--navy-700);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: var(--gold-500);
}
.eyebrow.light { color: #cfe0f7; }
.display {
  margin: 0;
  max-width: 900px;
  font-size: clamp(2.55rem, 5.7vw, 5.5rem);
  line-height: .98;
  letter-spacing: -.055em;
}
.section-title {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -.04em;
}
.lead {
  margin: 22px 0 0;
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(1.04rem, 1.7vw, 1.23rem);
}
.section-dark .lead { color: #c7d4e7; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 32px;
  margin-bottom: 50px;
}
.section-head > p { max-width: 520px; margin: 0; color: var(--muted); }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: .25s ease;
}
.site-header.scrolled {
  background: rgba(255,255,255,.9);
  box-shadow: 0 1px 0 rgba(0,27,79,.08);
  backdrop-filter: blur(18px);
}
.nav {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: max-content; }
.brand img { width: 52px; height: 52px; object-fit: contain; }
.brand-text { display: grid; line-height: 1; }
.brand-text strong { font-size: .98rem; color: white; letter-spacing: .02em; }
.brand-text span { margin-top: 5px; font-size: .66rem; letter-spacing: .13em; color: rgba(255,255,255,.72); }
.site-header.scrolled .brand-text strong { color: var(--navy-950); }
.site-header.scrolled .brand-text span { color: var(--navy-700); }
.nav-links { display: flex; align-items: center; gap: 29px; }
.nav-links a:not(.btn) { color: rgba(255,255,255,.82); font-weight: 650; font-size: .92rem; }
.site-header.scrolled .nav-links a:not(.btn) { color: var(--ink); }
.nav-links a:not(.btn):hover { color: var(--gold-400); }
.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 14px;
  background: rgba(255,255,255,.08);
  color: white;
}
.site-header.scrolled .menu-toggle { border-color: var(--line); background: white; color: var(--navy-950); }
.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
  content: "";
  transition: .2s ease;
}
.menu-toggle.active span { opacity: 0; }
.menu-toggle.active::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle.active::after { transform: translateY(-6px) rotate(-45deg); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 50px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--gold-500); color: var(--navy-950); box-shadow: 0 12px 30px rgba(240,162,14,.24); }
.btn-primary:hover { background: var(--gold-400); box-shadow: 0 16px 35px rgba(240,162,14,.30); }
.btn-secondary { border-color: rgba(255,255,255,.24); background: rgba(255,255,255,.08); color: white; }
.btn-secondary:hover { background: rgba(255,255,255,.14); }
.btn-outline { border-color: var(--line); color: var(--navy-900); background: white; }
.btn-outline:hover { border-color: #c5d2e2; box-shadow: var(--shadow-soft); }
.btn-sm { min-height: 44px; padding: 0 16px; border-radius: 12px; font-size: .9rem; }
.btn svg { width: 18px; height: 18px; }

.hero {
  position: relative;
  min-height: 820px;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 130px 0 86px;
  color: white;
  background:
    radial-gradient(circle at 74% 36%, rgba(240,162,14,.13), transparent 23%),
    radial-gradient(circle at 30% 20%, rgba(38,104,181,.28), transparent 28%),
    linear-gradient(135deg, #001039 0%, #001f54 48%, #032e6d 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .22;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to right, black, transparent 72%);
}
.hero::after {
  content: "";
  position: absolute;
  width: 680px;
  height: 680px;
  right: -250px;
  bottom: -320px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
  box-shadow: 0 0 0 75px rgba(255,255,255,.02), 0 0 0 150px rgba(255,255,255,.018);
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: center;
  gap: 70px;
}
.hero .eyebrow { color: #d9e8ff; }
.hero .display span { color: var(--gold-400); }
.hero-copy > p { margin: 26px 0 0; max-width: 650px; color: #cad8ea; font-size: 1.15rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 34px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 34px; color: #aebfd6; font-size: .88rem; }
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta i { width: 7px; height: 7px; background: var(--gold-500); border-radius: 50%; }

.hero-visual { position: relative; min-height: 580px; display: grid; place-items: center; }
.orbit {
  position: absolute;
  width: 510px;
  height: 510px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 50%;
  animation: orbit 24s linear infinite;
}
.orbit::before, .orbit::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold-400);
  box-shadow: 0 0 0 7px rgba(240,162,14,.13);
}
.orbit::before { top: 72px; left: 55px; }
.orbit::after { right: 38px; bottom: 98px; }
@keyframes orbit { to { transform: rotate(360deg); } }
.hero-mark {
  position: relative;
  z-index: 2;
  width: min(390px, 85%);
  filter: drop-shadow(0 35px 45px rgba(0,0,0,.25));
}
.float-card {
  position: absolute;
  z-index: 3;
  min-width: 190px;
  padding: 15px 17px;
  border: 1px solid rgba(255,255,255,.17);
  border-radius: 17px;
  background: rgba(7,29,69,.75);
  box-shadow: 0 20px 45px rgba(0,0,0,.18);
  backdrop-filter: blur(14px);
}
.float-card strong { display: block; margin-bottom: 3px; font-size: .9rem; }
.float-card span { color: #aebed4; font-size: .76rem; }
.float-card .icon-bubble { width: 36px; height: 36px; margin-bottom: 10px; background: rgba(240,162,14,.14); color: var(--gold-400); }
.fc-1 { top: 60px; left: -10px; animation: float 5s ease-in-out infinite; }
.fc-2 { top: 210px; right: -20px; animation: float 5.7s ease-in-out infinite reverse; }
.fc-3 { bottom: 55px; left: 10px; animation: float 6.2s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-12px); } }

.promise-bar { position: relative; z-index: 5; margin-top: -34px; }
.promise-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  border: 1px solid rgba(0,27,79,.08);
  border-radius: 20px;
  background: white;
  box-shadow: var(--shadow);
}
.promise-item { padding: 24px 26px; border-right: 1px solid var(--line); }
.promise-item:last-child { border: 0; }
.promise-item strong { display: block; color: var(--navy-900); font-size: 1rem; }
.promise-item span { display: block; margin-top: 2px; color: var(--muted); font-size: .82rem; }

.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.pillar {
  position: relative;
  min-height: 255px;
  overflow: hidden;
  padding: 29px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: white;
  transition: .25s ease;
}
.pillar:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); border-color: #cbd6e4; }
.pillar .number { font-size: .78rem; font-weight: 900; letter-spacing: .12em; color: var(--gold-500); }
.pillar h3 { margin: 30px 0 10px; font-size: 1.45rem; letter-spacing: -.02em; }
.pillar p { margin: 0; color: var(--muted); font-size: .94rem; }
.pillar::after {
  content: "";
  position: absolute;
  width: 120px;
  height: 120px;
  right: -50px;
  bottom: -60px;
  border: 18px solid var(--gold-100);
  border-radius: 50%;
}

.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.service-card {
  min-height: 235px;
  padding: 27px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: white;
  box-shadow: 0 4px 20px rgba(0,27,79,.03);
  transition: .25s ease;
}
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-soft); border-color: #c6d4e5; }
.icon-bubble {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 13px;
  background: var(--blue-100);
  color: var(--navy-800);
}
.icon-bubble svg { width: 23px; height: 23px; }
.service-card h3 { margin: 30px 0 9px; font-size: 1.08rem; }
.service-card p { margin: 0; color: var(--muted); font-size: .9rem; }

.process-wrap {
  display: grid;
  grid-template-columns: .86fr 1.14fr;
  gap: 75px;
  align-items: start;
}
.process-sticky { position: sticky; top: 130px; }
.process-list { display: grid; gap: 14px; }
.process-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: white;
}
.step-number {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--navy-950);
  color: var(--gold-400);
  font-weight: 900;
}
.process-step h3 { margin: 2px 0 6px; font-size: 1.15rem; }
.process-step p { margin: 0; color: var(--muted); font-size: .92rem; }

.app-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 86px; align-items: center; }
.phone-wrap { position: relative; min-height: 665px; display: grid; place-items: center; }
.phone-glow {
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240,162,14,.2), transparent 63%);
}
.phone {
  position: relative;
  z-index: 2;
  width: 310px;
  min-height: 610px;
  padding: 11px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 44px;
  background: #061431;
  box-shadow: 0 40px 70px rgba(0,0,0,.34), inset 0 0 0 2px rgba(255,255,255,.06);
  transform: rotate(-4deg);
}
.phone::before {
  content: "";
  position: absolute;
  z-index: 4;
  top: 18px;
  left: 50%;
  width: 88px;
  height: 24px;
  transform: translateX(-50%);
  border-radius: 20px;
  background: #061431;
}
.phone-screen {
  min-height: 588px;
  overflow: hidden;
  border-radius: 35px;
  background: #f7f9fd;
  color: var(--ink);
}
.phone-top { padding: 46px 20px 18px; color: white; background: linear-gradient(145deg, var(--navy-900), var(--navy-700)); }
.phone-top img { width: 46px; height: 46px; margin-bottom: 18px; }
.phone-top small { color: #bcd0e9; }
.phone-top h3 { margin: 5px 0 0; font-size: 1.38rem; }
.search-mock { display: flex; align-items: center; gap: 8px; margin: 14px 14px 4px; padding: 12px; border-radius: 12px; background: white; color: #8995a9; box-shadow: 0 5px 15px rgba(0,27,79,.08); font-size: .76rem; }
.mock-title { display: flex; justify-content: space-between; align-items: center; padding: 18px 16px 10px; font-size: .78rem; font-weight: 850; }
.mock-title span:last-child { color: var(--gold-500); font-size: .68rem; }
.mock-services { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; padding: 0 14px; }
.mock-service { min-height: 92px; padding: 11px; border: 1px solid #e5eaf1; border-radius: 13px; background: white; font-size: .7rem; font-weight: 750; }
.mock-service i { display: block; width: 30px; height: 30px; margin-bottom: 9px; border-radius: 9px; background: var(--gold-100); }
.mock-pro { display: grid; grid-template-columns: 42px 1fr auto; gap: 10px; align-items: center; margin: 9px 14px; padding: 11px; border-radius: 13px; background: white; box-shadow: 0 4px 15px rgba(0,27,79,.06); }
.mock-avatar { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, #d8e3f2, #a8bdd8); }
.mock-pro strong { display: block; font-size: .68rem; }
.mock-pro span { color: #8793a5; font-size: .58rem; }
.mock-rating { color: var(--gold-500); font-size: .68rem; font-weight: 900; }
.app-features { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; margin-top: 32px; }
.app-feature { padding: 17px 18px; border: 1px solid rgba(255,255,255,.13); border-radius: 16px; background: rgba(255,255,255,.06); }
.app-feature strong { display: block; margin-bottom: 4px; font-size: .9rem; }
.app-feature span { color: #aebed4; font-size: .8rem; }
.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 61px;
  padding: 9px 17px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 14px;
  background: rgba(255,255,255,.08);
  color: white;
}
.store-badge:hover { background: rgba(255,255,255,.13); }
.store-badge svg { width: 29px; height: 29px; }
.store-badge small { display: block; color: #b7c7dc; font-size: .62rem; }
.store-badge strong { display: block; margin-top: -2px; font-size: 1rem; line-height: 1.2; }

.engineer-banner {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr .7fr;
  align-items: center;
  gap: 50px;
  padding: 64px;
  border-radius: 34px;
  color: white;
  background: linear-gradient(135deg, var(--navy-950), var(--navy-800));
  box-shadow: var(--shadow);
}
.engineer-banner::before {
  content: "";
  position: absolute;
  width: 330px;
  height: 330px;
  right: -60px;
  top: -130px;
  border: 60px solid rgba(240,162,14,.10);
  border-radius: 50%;
}
.engineer-banner h2 { margin: 0; font-size: clamp(2rem,4vw,3.7rem); line-height: 1.02; letter-spacing: -.045em; }
.engineer-banner p { max-width: 650px; margin: 20px 0 0; color: #c7d4e7; }
.engineer-points { position: relative; z-index: 2; display: grid; gap: 10px; }
.engineer-point { display: flex; align-items: center; gap: 11px; padding: 13px 14px; border: 1px solid rgba(255,255,255,.13); border-radius: 13px; background: rgba(255,255,255,.06); font-size: .88rem; }
.check { display: grid; place-items: center; flex: 0 0 25px; width: 25px; height: 25px; border-radius: 8px; background: var(--gold-500); color: var(--navy-950); font-weight: 900; }

.faq-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 70px; align-items: start; }
.faq-list { display: grid; gap: 11px; }
details { border: 1px solid var(--line); border-radius: 16px; background: white; }
summary { position: relative; cursor: pointer; list-style: none; padding: 21px 56px 21px 22px; font-weight: 800; }
summary::-webkit-details-marker { display:none; }
summary::after { content: "+"; position: absolute; right: 22px; top: 18px; color: var(--gold-500); font-size: 1.45rem; font-weight: 500; }
details[open] summary::after { content: "–"; }
details p { margin: -4px 22px 22px; color: var(--muted); font-size: .94rem; }

.contact-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  padding: 54px 58px;
  border: 1px solid #d7e1ee;
  border-radius: 30px;
  background: linear-gradient(135deg, #f8faff, #fff9eb);
}
.contact-card h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.25rem); letter-spacing: -.04em; line-height: 1.03; }
.contact-card p { max-width: 660px; margin: 14px 0 0; color: var(--muted); }
.contact-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }

.footer { padding: 66px 0 28px; color: #bac8dc; background: #000f32; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, .7fr); gap: 46px; }
.footer-brand img { width: 82px; }
.footer-brand p { max-width: 350px; margin: 18px 0 0; color: #91a5c1; font-size: .9rem; }
.footer h4 { margin: 4px 0 17px; color: white; font-size: .9rem; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { color: #9eb0c9; font-size: .88rem; }
.footer-links a:hover { color: var(--gold-400); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 50px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.09); font-size: .78rem; color: #8297b3; }
.footer-tagline { color: var(--gold-400); letter-spacing: .12em; font-weight: 800; }

/* Inner pages */
.inner-hero {
  position: relative;
  overflow: hidden;
  padding: 175px 0 88px;
  color: white;
  background: linear-gradient(135deg, var(--navy-950), var(--navy-800));
}
.inner-hero::after {
  content: "";
  position: absolute;
  width: 450px;
  height: 450px;
  right: -160px;
  bottom: -280px;
  border: 70px solid rgba(240,162,14,.09);
  border-radius: 50%;
}
.inner-hero h1 { margin: 8px 0 0; max-width: 820px; font-size: clamp(2.6rem, 5vw, 4.8rem); letter-spacing: -.05em; line-height: 1; }
.inner-hero p { max-width: 730px; margin: 22px 0 0; color: #c7d4e7; font-size: 1.08rem; }
.prose-wrap { width: min(calc(100% - 40px), 900px); margin-inline: auto; }
.prose { padding: 76px 0 100px; }
.prose h2 { margin: 44px 0 13px; color: var(--navy-900); font-size: 1.55rem; letter-spacing: -.02em; }
.prose h3 { margin: 30px 0 10px; font-size: 1.08rem; }
.prose p, .prose li { color: #53637d; }
.prose ul { padding-left: 22px; }
.prose a { color: var(--navy-700); text-decoration: underline; text-decoration-color: #bed0e7; text-underline-offset: 3px; }
.notice { margin: 0 0 30px; padding: 18px 20px; border-left: 4px solid var(--gold-500); border-radius: 8px 14px 14px 8px; background: #fff8e7; color: #5d4a17; }
.support-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin: 34px 0 10px; }
.support-card { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.support-card h3 { margin-top: 15px; }
.support-card p { margin-bottom: 0; font-size: .9rem; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1060px) {
  .nav-links { gap: 18px; }
  .nav-links a:not(.btn) { display: none; }
  .hero-grid { gap: 30px; }
  .float-card { min-width: 160px; }
  .services-grid, .pillars { grid-template-columns: repeat(2, 1fr); }
  .app-grid { gap: 35px; }
  .footer-grid { grid-template-columns: 1.25fr repeat(3,.65fr); gap: 24px; }
}

@media (max-width: 820px) {
  .section { padding: 80px 0; }
  .nav { min-height: 74px; }
  .brand img { width: 46px; height: 46px; }
  .brand-text strong { color: white; }
  .menu-toggle { display: block; }
  .nav-links {
    position: fixed;
    inset: 74px 16px auto 16px;
    display: none;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: white;
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: grid; }
  .nav-links a:not(.btn) { display: block; padding: 11px 7px; color: var(--ink) !important; }
  .nav-links .btn { width: 100%; }
  .hero { min-height: auto; padding: 130px 0 80px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 520px; }
  .promise-inner { grid-template-columns: repeat(2,1fr); }
  .promise-item:nth-child(2) { border-right: 0; }
  .promise-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .section-head { display: block; }
  .section-head > p { margin-top: 18px; }
  .process-wrap, .app-grid, .faq-grid { grid-template-columns: 1fr; gap: 45px; }
  .process-sticky { position: static; }
  .app-grid .phone-wrap { order: 2; }
  .engineer-banner { grid-template-columns: 1fr; padding: 42px; }
  .contact-card { grid-template-columns: 1fr; padding: 40px; }
  .contact-actions { justify-content: flex-start; }
  .footer-grid { grid-template-columns: 1.3fr 1fr; }
  .support-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .container, .prose-wrap { width: min(calc(100% - 28px), var(--max)); }
  .section { padding: 67px 0; }
  .display { font-size: clamp(2.65rem, 13vw, 4rem); }
  .hero-copy > p { font-size: 1rem; }
  .hero-actions { display: grid; }
  .hero-actions .btn { width: 100%; }
  .hero-meta { display: grid; gap: 8px; }
  .hero-visual { min-height: 440px; }
  .orbit { width: 390px; height: 390px; }
  .hero-mark { width: 280px; }
  .float-card { min-width: 145px; padding: 12px; }
  .float-card span { display: none; }
  .fc-1 { top: 48px; left: 0; }
  .fc-2 { top: 185px; right: 0; }
  .fc-3 { bottom: 35px; left: 0; }
  .promise-inner { grid-template-columns: 1fr; }
  .promise-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .promise-item:last-child { border-bottom: 0; }
  .pillars, .services-grid, .app-features { grid-template-columns: 1fr; }
  .process-step { grid-template-columns: 48px 1fr; gap: 14px; padding: 20px; }
  .step-number { width: 48px; height: 48px; border-radius: 13px; }
  .phone-wrap { min-height: 580px; }
  .phone { width: 280px; min-height: 560px; }
  .phone-screen { min-height: 538px; }
  .engineer-banner { padding: 30px 24px; border-radius: 25px; }
  .contact-card { padding: 30px 24px; border-radius: 24px; }
  .contact-actions { display: grid; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { display: grid; }
  .footer-tagline { font-size: .7rem; }
  .inner-hero { padding: 145px 0 70px; }
}