:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --secondary: #f97316;
  --accent: #0d9488;
  --accent-light: #ccfbf1;
  --ink: #0f172a;
  --ink-soft: #1e293b;
  --surface: #ffffff;
  --surface-alt: #f8fafc;
  --surface-muted: #f1f5f9;
  --muted: #64748b;
  --muted-soft: #94a3b8;
  --border: #e2e8f0;
  --border-soft: #f1f5f9;
  --container: 1200px;
  --radius: 20px;
  --radius-sm: 14px;
  --radius-lg: 28px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.12);
  --shadow-primary: 0 12px 32px rgba(37, 99, 235, 0.22);
  --header-height: 72px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); }
body {
  min-width: 320px;
  color: var(--ink);
  background: var(--surface-alt);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
body.dialog-open { overflow: hidden; }
img, svg { display: block; max-width: 100%;object-fit: contain; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 1000;
  padding: 10px 16px;
  color: #fff;
  background: var(--ink);
  border-radius: 10px;
  transition: top .2s ease;
}
.skip-link:focus { top: 12px; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.section { padding-block: 112px; }
h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -.02em; font-weight: 700; }
h1 { font-size: clamp(40px, 5.5vw, 72px); font-weight: 800; }
h2 { font-size: clamp(30px, 3.8vw, 46px); font-weight: 700; }
h3 { font-size: 22px; font-weight: 650; }
h4 { font-size: 17px; font-weight: 600; }
p { color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace; letter-spacing: .02em; }

/* Eyebrow */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--primary);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.eyebrow-light { color: #93c5fd; }
.eyebrow-light::before { background: linear-gradient(90deg, #60a5fa, var(--accent)); }
.section-heading { max-width: 720px; margin-bottom: 56px; }
.section-heading h2 { margin-bottom: 16px; }
.section-heading > p:last-child { font-size: 17px; line-height: 1.7; }
.section-heading-center { margin-inline: auto; text-align: center; }
.section-heading-center .eyebrow { justify-content: center; }

/* Buttons */
.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 11px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 650;
  letter-spacing: .01em;
  transition: transform .2s var(--ease-out), box-shadow .2s var(--ease-out), background .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button-primary { color: #fff; background: var(--primary); box-shadow: var(--shadow-primary); }
.button-primary:hover { background: var(--primary-dark); box-shadow: 0 16px 40px rgba(37, 99, 235, 0.3); }
.button-light { color: var(--primary-dark); background: #fff; box-shadow: 0 8px 24px rgba(0, 0, 0, .12); }
.button-light:hover { box-shadow: 0 12px 32px rgba(0, 0, 0, .18); }
.button-ghost { color: #fff; border-color: rgba(255, 255, 255, .25); background: rgba(255, 255, 255, .06); }
.button-ghost:hover { border-color: rgba(255, 255, 255, .4); background: rgba(255, 255, 255, .1); }
.button-wide { width: 100%; }

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  color: #fff;
  transition: background .3s ease, box-shadow .3s ease, border-color .3s ease, color .3s ease;
}
.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(255, 255, 255, .92);
  border-color: rgba(15, 23, 42, .06);
  box-shadow: 0 4px 24px rgba(15, 23, 42, .06);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}
.nav-shell { height: 100%; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-mark { width: 38px; height: 38px; }
.brand-copy { display: grid; gap: 1px; }
.brand-copy strong { font-size: 17px; font-weight: 700; letter-spacing: .02em; }
.brand-copy small { color: currentColor; opacity: .55; font-size: 9px; font-weight: 600; letter-spacing: .16em; }
.nav-links { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav-links a {
  position: relative;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  opacity: .8;
  transition: opacity .2s ease, background .2s ease;
}
.nav-links a:hover, .nav-links a.is-active { opacity: 1; }
.nav-links a.is-active { background: rgba(255, 255, 255, .08); }
.site-header.is-scrolled .nav-links a.is-active { background: var(--primary-light); color: var(--primary-dark); }
.nav-contact { min-height: 40px; padding: 8px 18px; font-size: 13.5px; }
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 0;
  border-radius: 12px;
  color: currentColor;
  background: rgba(255, 255, 255, .1);
}
.nav-toggle span { display: block; width: 20px; height: 2px; margin: 4px auto; background: currentColor; transition: transform .2s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Hero */
.hero {
  position: relative;
  min-height: 780px;
  padding: calc(var(--header-height) + 96px) 0 96px;
  color: #fff;
  background:
    radial-gradient(ellipse 600px 400px at 78% 28%, rgba(13, 148, 136, .15), transparent 60%),
    radial-gradient(ellipse 500px 400px at 12% 85%, rgba(249, 115, 22, .1), transparent 55%),
    linear-gradient(160deg, #0b1220 0%, #0f1d3a 50%, #0c2a38 100%);
  overflow: hidden;
}
.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .1;
  background-image:
    linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 65% 45%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 65% 45%, #000 0%, transparent 75%);
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(40px); opacity: .5; }
.hero-glow-a { width: 450px; height: 450px; right: -200px; top: 60px; background: rgba(37, 99, 235, .25); }
.hero-glow-b { width: 320px; height: 320px; left: -180px; bottom: -60px; background: rgba(13, 148, 136, .2); }
.hero-layout { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; gap: 64px; align-items: center; }
.hero-copy { max-width: 660px; }
.hero h1 { margin-bottom: 22px; color: #fff; font-weight: 800; }
.hero h1 span {
  display: block;
  color: #5eead4;
  font-weight: 800;
}
.hero-lead { max-width: 580px; color: rgba(255,255,255,.7); font-size: 18px; line-height: 1.75; }
.hero-actions { display: flex; gap: 12px; margin: 34px 0 50px; flex-wrap: wrap; }
.hero-facts { display: flex; gap: 40px; flex-wrap: wrap; }
.hero-facts div { display: grid; gap: 4px; }
.hero-facts strong { font-size: 26px; font-weight: 700; }
.hero-facts span { color: rgba(255,255,255,.5); font-size: 13px; }

/* Hero visual */
.hero-art { position: relative; min-height: 460px; display: grid; place-items: center; }
.art-core {
  position: relative;
  z-index: 3;
  width: 190px;
  height: 190px;
  display: grid;
  place-content: center;
  text-align: center;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 44px;
  background: linear-gradient(155deg, rgba(255,255,255,.14), rgba(255,255,255,.03));
  box-shadow: 0 32px 80px rgba(0,0,0,.28), inset 0 1px rgba(255,255,255,.25);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transform: rotate(-3deg);
}
.art-core span { font-size: 72px; font-weight: 900; line-height: 1; }
.art-core small { margin-top: 8px; color: #5eead4; font-weight: 600; letter-spacing: .2em; font-size: 11px; }
.art-orbit { position: absolute; border: 1px solid rgba(148, 163, 184, .2); border-radius: 50%; }
.orbit-one { width: 310px; height: 310px; animation: orbit-spin 22s linear infinite; }
.orbit-two { width: 420px; height: 420px; border-style: dashed; border-color: rgba(148, 163, 184, .12); animation: orbit-spin 36s linear reverse infinite; }
.art-chip {
  position: absolute;
  z-index: 4;
  padding: 9px 15px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 999px;
  color: rgba(255,255,255,.85);
  background: rgba(15, 23, 42, .55);
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: 12.5px;
  font-weight: 600;
}
.chip-one { top: 70px; right: 20px; }
.chip-two { bottom: 82px; right: 0; }
.chip-three { bottom: 48px; left: 28px; }
@keyframes orbit-spin { to { transform: rotate(360deg); } }

/* Service section - asymmetric bento layout */
.service-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  grid-template-rows: auto auto;
  gap: 20px;
}
.service-card {
  position: relative;
  padding: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out), border-color .3s ease;
}
.service-card:hover { transform: translateY(-4px); border-color: rgba(37, 99, 235, .25); box-shadow: var(--shadow); }
.service-card-featured {
  grid-row: 1 / 3;
  grid-column: 1;
  border-color: rgba(37, 99, 235, .15);
  background: linear-gradient(165deg, #fff 0%, #f0f7ff 100%);
  display: flex;
  flex-direction: column;
}
.service-card-featured .service-icon { width: 64px; height: 64px; margin-bottom: 32px; }
.service-card-featured .service-icon svg { width: 30px; }
.service-card-featured h3 { font-size: 26px; margin-bottom: 16px; }
.service-card-featured p { font-size: 16px; }
.service-card-featured ul { margin-top: auto; padding-top: 28px; }
.service-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  color: var(--primary);
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(37, 99, 235, .1), rgba(13, 148, 136, .08));
}
.service-icon svg { width: 25px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { margin-bottom: 12px; }
.service-card p { font-size: 14.5px; line-height: 1.7; }
.service-card ul { display: grid; gap: 8px; margin-top: 20px; padding: 20px 0 0; border-top: 1px solid var(--border-soft); list-style: none; }
.service-card li { position: relative; padding-left: 18px; color: var(--ink-soft); font-size: 13.5px; line-height: 1.6; }
.service-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.scope-note { margin-top: 24px; font-size: 13px; color: var(--muted-soft); }

/* Service card photos */
.service-photo {
  margin: -36px -36px 26px;
  height: 170px;
  overflow: hidden;
}
.service-photo img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s var(--ease-out); }
.service-card:hover .service-photo img { transform: scale(1.04); }
.service-photo-tall { height: 220px; }

/* Collaboration banner */
.collab-banner {
  position: relative;
  margin-top: 48px;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 260px;
  display: grid;
}
.collab-banner > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.collab-overlay {
  position: relative;
  align-self: end;
  padding: 40px 44px;
  background: linear-gradient(transparent, rgba(10, 17, 36, .82));
}
.collab-overlay p:last-child { max-width: 560px; color: rgba(255,255,255,.92); font-size: 17px; line-height: 1.7; }

/* Company photo & timeline */
.company-photo {
  margin-top: 32px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.08);
}
.company-photo img { width: 100%; height: 220px; object-fit: cover; display: block; }
.timeline-wrap { margin-top: 72px; }
.timeline-title { margin-bottom: 28px; color: #fff; font-size: 22px; }
.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  list-style: none;
  padding: 0;
}
.timeline li {
  position: relative;
  padding: 24px 24px 24px 28px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.04);
}
.timeline li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  bottom: 24px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, #1657FF, #00D6C2);
}
.timeline time { display: block; margin-bottom: 10px; color: #93c5fd; font-weight: 650; font-size: 14px; letter-spacing: .02em; }
.timeline p { color: rgba(255,255,255,.7); font-size: 14px; line-height: 1.7; }
.timeline-note { margin-top: 18px; font-size: 12.5px; color: rgba(255,255,255,.4); }

/* Guide & contact photos */
.guide-photo { margin: 0 0 26px; border-radius: var(--radius-sm); overflow: hidden; }
.guide-photo img { width: 100%; height: 190px; object-fit: cover; display: block; }
.contact-photo { margin-top: 24px; border-radius: var(--radius-sm); overflow: hidden; }
.contact-photo img { width: 100%; height: 200px; object-fit: cover; display: block; }

/* Company section */
.company-section { color: #fff; background: var(--ink); }
.company-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 72px; align-items: start; }
.company-intro h2 { margin-bottom: 22px; color: #fff; }
.company-intro > p { color: rgba(255,255,255,.65); font-size: 17px; line-height: 1.75; }
.company-statement {
  position: relative;
  margin-top: 44px;
  padding: 26px 28px 26px 48px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  background: rgba(255,255,255,.04);
}
.company-statement::before {
  content: "\201C";
  position: absolute;
  left: 16px;
  top: 4px;
  color: var(--secondary);
  font-size: 44px;
  font-family: Georgia, serif;
  line-height: 1;
}
.company-statement p { color: #fff; font-weight: 600; font-size: 16px; }
.company-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  overflow: hidden;
}
.company-facts div {
  min-height: 120px;
  padding: 26px;
  border-right: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.025);
  transition: background .25s ease;
}
.company-facts div:hover { background: rgba(255,255,255,.05); }
.company-facts div:nth-child(2n) { border-right: 0; }
.company-facts div:nth-last-child(-n + 2) { border-bottom: 0; }
.company-facts dt { margin-bottom: 8px; color: rgba(255,255,255,.45); font-size: 12.5px; font-weight: 500; letter-spacing: .04em; }
.company-facts dd { color: #fff; font-weight: 600; font-size: 15px; line-height: 1.6; }

/* Insight section */
.insight-section { background: var(--surface-muted); }
.guide-card {
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  border: 1px solid rgba(37, 99, 235, .08);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.guide-preview { position: relative; padding: 52px; }
.guide-meta { display: flex; gap: 10px; margin-bottom: 22px; }
.guide-meta span {
  padding: 5px 11px;
  color: var(--primary-dark);
  border-radius: 999px;
  background: var(--primary-light);
  font-size: 11.5px;
  font-weight: 650;
  letter-spacing: .03em;
}
.guide-preview h3 { margin-bottom: 16px; font-size: 30px; }
.guide-preview h4 { margin: 28px 0 10px; font-size: 17px; }
.guide-preview ol { display: grid; gap: 10px; padding-left: 20px; color: var(--ink-soft); font-size: 15px; }
.preview-fade { position: absolute; inset: auto 0 0; height: 80px; background: linear-gradient(transparent, #fff); pointer-events: none; }
.paywall-panel {
  padding: 48px 36px;
  text-align: center;
  color: #fff;
  background: linear-gradient(160deg, var(--primary-dark) 0%, #0c2a6b 65%, #083344 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.price-label { color: rgba(255,255,255,.6); font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.price { margin: 8px 0 16px; font-size: 64px; font-weight: 800; line-height: 1; }
.price span { margin-right: 4px; font-size: 24px; font-weight: 600; vertical-align: top; }
.paywall-panel h3 { margin-bottom: 12px; font-size: 20px; }
.paywall-panel > p:not(.price-label):not(.paywall-note) { margin-bottom: 24px; color: rgba(255,255,255,.65); font-size: 14px; }
.paywall-panel .button { background: #fff; color: var(--primary-dark); box-shadow: 0 8px 24px rgba(0,0,0,.15); }
.paywall-panel .button:hover { background: #f8fafc; }
.paywall-note { margin-top: 14px; color: rgba(255,255,255,.45); font-size: 11.5px; }
.guide-unlocked { display: none; grid-column: 1 / -1; padding: 0 52px 52px; }
.guide-unlocked.is-visible { display: block; }
.guide-unlocked .unlocked-shell { padding-top: 40px; border-top: 1px solid var(--border); }
.guide-unlocked h3 { margin-bottom: 18px; font-size: 28px; }
.guide-unlocked h4 { margin: 26px 0 10px; font-size: 18px; }
.guide-unlocked ul, .guide-unlocked ol { display: grid; gap: 8px; padding-left: 22px; color: var(--ink-soft); }
.guide-unlocked p { margin-bottom: 10px; }
.guide-card.is-unlocked .paywall-panel { display: none; }
.guide-card.is-unlocked { grid-template-columns: 1fr; }
.guide-card.is-unlocked .preview-fade { display: none; }

/* Payment dialog */
.payment-dialog {
  width: min(500px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  padding: 0;
  margin: auto;
  border: 0;
  border-radius: 24px;
  color: var(--ink);
  background: #fff;
  box-shadow: 0 30px 100px rgba(0,0,0,.35);
  overflow: auto;

}
.payment-dialog::backdrop { background: rgba(8, 12, 24, .72); backdrop-filter: blur(6px); }
.dialog-head { display: flex; justify-content: space-between; gap: 20px; padding: 26px 28px 0; }
.dialog-head .eyebrow { margin-bottom: 6px; }
.dialog-head h2 { font-size: 28px; }
.dialog-close {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--muted);
  background: #fff;
  font-size: 24px;
  line-height: 1;
  transition: background .2s ease, border-color .2s ease;
}
.dialog-close:hover { background: var(--surface-alt); border-color: var(--muted-soft); }
.qr-shell { width: min(280px, calc(100% - 56px)); margin: 22px auto 16px; padding: 12px; border: 1px solid var(--border); border-radius: 16px; background: #fff; }
.qr-shell img { width: 100%; height: auto; border-radius: 10px; }
.dialog-copy { padding-inline: 28px; text-align: center; font-size: 14.5px; }
.payment-dialog > .button { width: calc(100% - 56px); margin: 20px 28px 0; }
.dialog-disclaimer { padding: 12px 28px 26px; text-align: center; font-size: 12px; color: var(--muted-soft); }

/* Contact section */
.contact-section { background: #fff; }
.contact-layout { display: grid; grid-template-columns: .88fr 1.12fr; gap: 72px; align-items: start; }
.contact-copy h2 { margin-bottom: 18px; }
.contact-copy > p { font-size: 17px; }
.address-card {
  display: grid;
  gap: 8px;
  margin-top: 32px;
  padding: 24px;
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--surface-alt);
}
.address-card span, .address-card small { color: var(--muted); font-size: 13px; }
.address-card strong { font-size: 15px; }
.address-card + .address-card { margin-top: 16px; }
.address-card .contact-tel { color: var(--primary); font-variant-numeric: tabular-nums; transition: opacity .2s ease; }
.address-card .contact-tel:hover { opacity: .75; }
.footer-meta .contact-tel { color: rgba(255,255,255,.6); transition: color .2s ease; }
.footer-meta .contact-tel:hover { color: #93c5fd; }
.contact-form {
  display: grid;
  gap: 20px;
  padding: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-alt);
}
.field { display: grid; gap: 7px; }
.field label { font-weight: 600; font-size: 14.5px; }
.field label span { color: var(--secondary); }
.field input, .field textarea {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--ink);
  background: #fff;
  font-size: 15px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field input:focus, .field textarea:focus { border-color: var(--primary); outline: 0; box-shadow: 0 0 0 3px rgba(37, 99, 235, .1); }
.field [aria-invalid="true"] { border-color: #dc2626; }
.field small { color: var(--muted); font-size: 12px; }
.field .field-error { color: #dc2626; }
.form-feedback { min-height: 22px; font-weight: 600; font-size: 14px; }
.form-feedback.is-success { color: #0d9488; }
.form-feedback.is-error { color: #dc2626; }
.privacy-note { font-size: 12px; color: var(--muted-soft); }

/* Footer */
.site-footer { padding: 64px 0 24px; color: #fff; background: #080d18; }
.footer-layout { display: grid; grid-template-columns: 1fr auto auto; gap: 64px; align-items: start; }
.brand-footer { margin-bottom: 12px; }
.footer-layout p, .footer-meta, .footer-notice { color: rgba(255,255,255,.45); }
.footer-nav { display: grid; gap: 8px; }
.footer-nav a { font-size: 14px; color: rgba(255,255,255,.6); transition: color .2s ease; }
.footer-nav a:hover { color: #93c5fd; }
.footer-meta { display: grid; gap: 6px; font-size: 12.5px; text-align: right; }
.footer-notice { margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.08); font-size: 12px; line-height: 1.7; }

/* GSAP reveal initial state */
.reveal-up { opacity: 0; transform: translateY(30px); }
.reveal-fade { opacity: 0; }
.reveal-scale { opacity: 0; transform: scale(.95); }

/* Responsive */
@media (max-width: 960px) {
  .nav-contact { display: none; }
  .hero-layout, .company-layout, .contact-layout { grid-template-columns: 1fr; }
  .hero-copy { max-width: 720px; }
  .hero-art { min-height: 380px; order: -1; }
  .service-grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .service-card-featured { grid-row: auto; grid-column: 1 / -1; }
  .company-layout { gap: 44px; }
  .guide-card { grid-template-columns: 1fr; }
  .paywall-panel { padding-block: 40px; }
  .footer-layout { grid-template-columns: 1fr 1fr; }
  .footer-meta { grid-column: 1 / -1; text-align: left; }
}

@media (max-width: 768px) {
  :root { --header-height: 64px; }
  .container { width: min(calc(100% - 32px), var(--container)); }
  .section { padding-block: 72px; }
  .nav-shell { gap: 10px; }
  .nav-toggle { display: block; margin-left: auto; }
  .site-header.is-scrolled .nav-toggle { background: var(--surface-alt); }
  .nav-links {
    position: absolute;
    inset: calc(var(--header-height) - 1px) 16px auto;
    display: none;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 16px;
    color: var(--ink);
    background: #fff;
    box-shadow: var(--shadow);
  }
  .nav-links.is-open { display: grid; }
  .nav-links a { padding: 11px 14px; }
  .nav-links a.is-active { background: var(--primary-light); color: var(--primary-dark); }
  .hero { min-height: auto; padding: calc(var(--header-height) + 64px) 0 72px; }
  .hero-layout { gap: 28px; }
  .hero-art { min-height: 300px; transform: scale(.85); }
  .hero-facts { gap: 24px; }
  .service-grid, .company-facts { grid-template-columns: 1fr; }
  .service-card-featured { grid-column: auto; }
  .company-facts div { border-right: 0; }
  .company-facts div:nth-last-child(-n + 2) { border-bottom: 1px solid rgba(255,255,255,.06); }
  .company-facts div:last-child { border-bottom: 0; }
  .guide-preview, .guide-unlocked { padding: 36px 26px; }
  .guide-unlocked { padding-top: 0; }
  .contact-layout { gap: 38px; }
  .contact-form { padding: 26px; }
  .footer-layout { grid-template-columns: 1fr; gap: 30px; }
  .footer-meta { grid-column: auto; }
  .timeline { grid-template-columns: 1fr; }
  .collab-overlay { padding: 26px 22px; }
}

@media (max-width: 480px) {
  .container { width: min(calc(100% - 24px), var(--container)); }
  .brand-copy strong { font-size: 15px; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .hero-facts { display: grid; grid-template-columns: 1fr 1fr; }
  .hero-art { min-height: 260px; margin-inline: -20px; transform: scale(.75); }
  .section-heading { margin-bottom: 32px; }
  .service-card { padding: 26px; }
  .service-photo { margin: -26px -26px 20px; height: 150px; }
  .company-facts div { padding: 22px; }
  .guide-preview h3 { font-size: 25px; }
  .paywall-panel { padding: 34px 22px; }
  .price { font-size: 56px; }
  .contact-form { padding: 20px; }
  .dialog-head { padding-inline: 20px; }
  .dialog-copy { padding-inline: 20px; }
  .payment-dialog > .button { width: calc(100% - 40px); margin-inline: 20px; }
  .dialog-disclaimer { padding-inline: 20px; }
}

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