/* =========================================================
   Alpha Pi Limited — 官网样式
   ========================================================= */

:root {
  --bg: #070b1a;
  --bg-alt: #0b1126;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --text: #e8ecf8;
  --text-muted: #9aa3c0;
  --primary: #4f7cff;
  --accent: #22d3ee;
  --accent-2: #a855f7;
  --gradient: linear-gradient(120deg, #4f7cff 0%, #22d3ee 50%, #a855f7 100%);
  --radius: 16px;
  --radius-sm: 10px;
  --header-h: 72px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin-bottom: 14px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s, border-color 0.25s;
  white-space: nowrap;
}
.btn--primary {
  background: var(--gradient);
  background-size: 200% 100%;
  color: #fff;
  box-shadow: 0 10px 30px -10px rgba(79, 124, 255, 0.7);
}
.btn--primary:hover {
  transform: translateY(-2px);
  background-position: 100% 0;
  box-shadow: 0 14px 36px -10px rgba(34, 211, 238, 0.7);
}
.btn--ghost {
  border-color: var(--border);
  background: var(--surface);
}
.btn--ghost:hover { border-color: var(--accent); background: var(--surface-hover); }
.btn--block { width: 100%; }

/* ---------- Header ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 100;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  background: rgba(7, 11, 26, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo { display: flex; align-items: center; gap: 10px; }
.logo__mark {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--gradient);
  font-weight: 800;
  font-size: 1.05rem;
  color: #fff;
  letter-spacing: -0.02em;
}
.logo__text {
  display: flex; flex-direction: column;
  font-weight: 700; font-size: 1.1rem; line-height: 1.1;
}
.logo__text small {
  font-size: 0.6rem; letter-spacing: 0.35em;
  color: var(--text-muted); font-weight: 500;
}

.nav { display: flex; align-items: center; gap: 6px; }
.nav__link {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.92rem;
  color: var(--text-muted);
  transition: color 0.2s, background 0.2s;
}
.nav__link:hover,
.nav__link.is-active { color: var(--text); background: var(--surface); }
.nav__cta {
  margin-left: 8px;
  color: #fff;
  background: var(--gradient);
}
.nav__cta:hover { color: #fff; background: var(--gradient); opacity: 0.9; }

.header__tools { display: flex; align-items: center; gap: 8px; margin-left: 12px; }

.lang-switch {
  display: inline-flex;
  padding: 3px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.2s;
}
.lang-switch:hover { border-color: var(--accent); }
.lang-switch span {
  min-width: 34px;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: background 0.25s, color 0.25s;
}
.lang-switch span.is-active { background: var(--gradient); color: #fff; }

.burger {
  display: none;
  width: 42px; height: 42px;
  background: transparent; border: 0; cursor: pointer;
  position: relative;
}
.burger span {
  position: absolute; left: 10px; right: 10px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.burger span:nth-child(1) { top: 13px; }
.burger span:nth-child(2) { top: 20px; }
.burger span:nth-child(3) { top: 27px; }
.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 80px) 0 80px;
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__glow {
  position: absolute; border-radius: 50%;
  filter: blur(110px); opacity: 0.55;
}
.hero__glow--1 { width: 520px; height: 520px; background: #3b5bff; top: -160px; left: -120px; }
.hero__glow--2 { width: 480px; height: 480px; background: #7c3aed; bottom: -120px; right: -100px; opacity: 0.4; }
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 48px;
}
.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}
.hero__desc {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 36px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 32px; }
.hero__tags { display: flex; flex-wrap: wrap; gap: 10px; }
.hero__tags li {
  font-size: 0.82rem;
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--surface);
}

/* Globe */
.hero__visual { display: flex; justify-content: center; }
.globe {
  position: relative;
  width: min(440px, 80vw);
  aspect-ratio: 1;
}
.globe__sphere {
  position: absolute; inset: 15%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 28%, rgba(34, 211, 238, 0.55), transparent 45%),
    radial-gradient(circle at 70% 75%, rgba(168, 85, 247, 0.5), transparent 50%),
    radial-gradient(circle, #1a2a6c 0%, #0b1230 70%);
  box-shadow:
    inset -20px -30px 60px rgba(0, 0, 0, 0.6),
    0 0 80px rgba(79, 124, 255, 0.45);
  overflow: hidden;
}
.globe__lines {
  position: absolute; inset: 0;
  border-radius: 50%;
  background:
    repeating-linear-gradient(90deg, transparent 0 22px, rgba(255,255,255,0.09) 22px 23px),
    repeating-linear-gradient(0deg, transparent 0 22px, rgba(255,255,255,0.07) 22px 23px);
  animation: spin-bg 18s linear infinite;
}
@keyframes spin-bg { to { background-position: 230px 0, 0 0; } }

.globe__orbit {
  position: absolute; inset: 0;
  border: 1px dashed rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  animation: rotate 24s linear infinite;
}
.globe__orbit--1 { inset: 5%; transform: rotateX(70deg); }
.globe__orbit--2 { inset: 0; animation-duration: 36s; animation-direction: reverse; }
.globe__orbit--3 { inset: 10%; animation-duration: 16s; }
.globe__orbit span {
  position: absolute; top: -5px; left: 50%;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
}
.globe__orbit--2 span { background: var(--accent-2); box-shadow: 0 0 14px var(--accent-2); }
@keyframes rotate { to { transform: rotate(360deg); } }

.float-card {
  position: absolute;
  padding: 10px 16px;
  border-radius: 12px;
  background: rgba(13, 20, 48, 0.75);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  display: flex; flex-direction: column;
  animation: float 6s ease-in-out infinite;
}
.float-card strong { font-size: 0.95rem; }
.float-card small { font-size: 0.72rem; color: var(--text-muted); }
.float-card--1 { top: 6%; left: -4%; }
.float-card--2 { top: 42%; right: -8%; animation-delay: -2s; }
.float-card--3 { bottom: 4%; left: 8%; animation-delay: -4s; }
@keyframes float { 50% { transform: translateY(-12px); } }

/* Stats */
.stats {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  backdrop-filter: blur(8px);
}
.stat {
  padding: 28px 20px;
  text-align: center;
  display: flex; flex-direction: column; gap: 4px;
}
.stat + .stat { border-left: 1px solid var(--border); }
.stat strong {
  font-size: 2.2rem; font-weight: 800; line-height: 1.2;
  background: var(--gradient);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat span { font-size: 0.9rem; color: var(--text-muted); }

/* ---------- Sections ---------- */
.section { padding: 110px 0; position: relative; }
.section--alt { background: var(--bg-alt); }
.section__head { text-align: center; max-width: 680px; margin: 0 auto 60px; }
.section__title {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
}
.section__desc { color: var(--text-muted); font-size: 1.02rem; }

/* ---------- Services ---------- */
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  position: relative;
  padding: 34px 30px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
  transition: transform 0.35s, border-color 0.35s, background 0.35s;
}
.service-card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(79, 124, 255, 0.14), transparent 50%);
  opacity: 0; transition: opacity 0.35s;
  pointer-events: none;
}
.service-card:hover { transform: translateY(-6px); border-color: rgba(79, 124, 255, 0.45); }
.service-card:hover::before { opacity: 1; }
.service-card__icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(79,124,255,0.25), rgba(34,211,238,0.15));
  border: 1px solid rgba(79, 124, 255, 0.35);
  margin-bottom: 22px;
}
.service-card__icon svg {
  width: 26px; height: 26px;
  fill: none; stroke: var(--accent);
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.service-card__no {
  position: absolute; top: 26px; right: 28px;
  font-size: 2.4rem; font-weight: 800;
  color: rgba(255, 255, 255, 0.05);
}
.service-card h3 { font-size: 1.3rem; margin-bottom: 10px; }
.service-card p { color: var(--text-muted); font-size: 0.94rem; margin-bottom: 18px; }
.service-card li {
  position: relative;
  padding-left: 18px;
  font-size: 0.88rem;
  color: #c4cbe3;
  margin-bottom: 6px;
}
.service-card li::before {
  content: "";
  position: absolute; left: 0; top: 0.7em;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}

/* ---------- Tabs / Models ---------- */
.tabs {
  display: flex; justify-content: center; gap: 8px;
  width: fit-content; margin: 0 auto 40px;
  padding: 6px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.tab {
  padding: 10px 26px;
  border: 0; border-radius: 999px;
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.25s, color 0.25s;
}
.tab:hover { color: var(--text); }
.tab.is-active { background: var(--gradient); color: #fff; }

.panels {
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 6px);
  background: var(--surface);
  padding: 52px;
}
.panel {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
.panel[hidden] { display: none; }
.panel.is-active { animation: fade-up 0.5s ease; }
@keyframes fade-up { from { opacity: 0; transform: translateY(14px); } }

.badge {
  display: inline-block;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 999px;
  color: var(--accent);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.3);
  margin-bottom: 16px;
}
.panel h3 { font-size: 1.7rem; margin-bottom: 14px; }
.panel p { color: var(--text-muted); margin-bottom: 22px; }
.checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; margin-bottom: 30px; }
.checklist li { position: relative; padding-left: 26px; font-size: 0.94rem; }
.checklist li::before {
  content: "✓";
  position: absolute; left: 0; top: 1px;
  width: 18px; height: 18px;
  display: grid; place-items: center;
  font-size: 0.7rem; font-weight: 700;
  border-radius: 50%;
  background: var(--gradient); color: #fff;
}

.panel__visual { display: flex; justify-content: center; }

.flow { display: flex; flex-direction: column; align-items: center; gap: 12px; width: 100%; max-width: 320px; }
.flow__item {
  width: 100%;
  padding: 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  text-align: center;
  font-weight: 700;
  display: flex; flex-direction: column;
}
.flow__item small { font-weight: 400; color: var(--text-muted); font-size: 0.8rem; }
.flow__item--hl {
  background: linear-gradient(135deg, rgba(79,124,255,0.3), rgba(168,85,247,0.25));
  border-color: rgba(79, 124, 255, 0.5);
  box-shadow: 0 0 40px -10px rgba(79, 124, 255, 0.7);
}
.flow__arrow { color: var(--accent); font-size: 1.3rem; transform: rotate(90deg); }

.modules { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; width: 100%; max-width: 400px; }
.modules span {
  padding: 16px 8px;
  text-align: center;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  transition: border-color 0.25s, background 0.25s, transform 0.25s;
}
.modules span:hover {
  border-color: var(--accent);
  background: rgba(34, 211, 238, 0.08);
  transform: translateY(-3px);
}

.ring { position: relative; width: 280px; height: 280px; }
.ring::before {
  content: ""; position: absolute; inset: 30px;
  border: 1px dashed rgba(255,255,255,0.2); border-radius: 50%;
}
.ring__core {
  position: absolute; inset: 90px;
  border-radius: 50%;
  display: grid; place-items: center; text-align: center;
  font-weight: 800; line-height: 1.3;
  background: var(--gradient);
  box-shadow: 0 0 50px -6px rgba(79, 124, 255, 0.8);
}
.ring span {
  --r: 110px;
  position: absolute; top: 50%; left: 50%;
  width: 58px; height: 58px; margin: -29px;
  display: grid; place-items: center;
  font-size: 0.85rem;
  border-radius: 50%;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  transform: rotate(calc(var(--i) * 60deg)) translateY(calc(var(--r) * -1)) rotate(calc(var(--i) * -60deg));
}

/* ---------- Timeline ---------- */
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  counter-reset: step;
}
.timeline::before {
  content: "";
  position: absolute; top: 26px; left: 10%; right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--accent), var(--accent-2), transparent);
}
.timeline__item { position: relative; text-align: center; padding: 0 6px; }
.timeline__dot {
  position: relative; z-index: 1;
  width: 54px; height: 54px;
  margin: 0 auto 22px;
  display: grid; place-items: center;
  border-radius: 50%;
  font-weight: 800; font-size: 1.15rem;
  background: var(--bg);
  border: 2px solid var(--primary);
  box-shadow: 0 0 0 6px var(--bg), 0 0 30px -4px rgba(79, 124, 255, 0.8);
}
.timeline__item h3 { font-size: 1.12rem; margin-bottom: 8px; }
.timeline__item p { font-size: 0.9rem; color: var(--text-muted); }

/* ---------- Markets ---------- */
.markets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.market {
  position: relative;
  padding: 30px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s;
}
.market::after {
  content: "";
  position: absolute; right: -40px; bottom: -40px;
  width: 140px; height: 140px; border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.22), transparent 70%);
  transition: transform 0.4s;
}
.market:hover { transform: translateY(-4px); border-color: rgba(34, 211, 238, 0.4); }
.market:hover::after { transform: scale(1.6); }
.market h3 { font-size: 1.35rem; }
.market__en {
  font-size: 0.78rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px;
}
.market p:last-child { color: var(--text-muted); font-size: 0.92rem; }

/* ---------- Advantages ---------- */
.advantages {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}
.advantages__intro { position: sticky; top: calc(var(--header-h) + 40px); }
.advantages__intro .section__desc { margin-bottom: 30px; }
.advantages__list { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.adv {
  padding: 30px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  border-top: 3px solid transparent;
  border-image: none;
  position: relative;
}
.adv::before {
  content: "";
  position: absolute; top: -1px; left: 24px; right: 24px; height: 3px;
  border-radius: 0 0 4px 4px;
  background: var(--gradient);
}
.adv h3 { font-size: 1.15rem; margin-bottom: 10px; }
.adv p { color: var(--text-muted); font-size: 0.92rem; }

/* ---------- Contact ---------- */
.contact {
  background:
    radial-gradient(ellipse at 0% 0%, rgba(79, 124, 255, 0.18), transparent 50%),
    radial-gradient(ellipse at 100% 100%, rgba(168, 85, 247, 0.15), transparent 50%),
    var(--bg-alt);
}
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: start;
}
.contact__info .section__desc { margin-bottom: 32px; }
.contact__list li {
  display: flex; flex-direction: column;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
.contact__list span { font-size: 0.82rem; color: var(--text-muted); }
.contact__list a { font-size: 1.1rem; font-weight: 600; transition: color 0.2s; word-break: break-all; }
.contact__list a:hover { color: var(--accent); }

.form {
  padding: 38px;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid var(--border);
  background: rgba(7, 11, 26, 0.6);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.field span { font-size: 0.86rem; color: var(--text-muted); }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field select option { background: var(--bg-alt); }
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 124, 255, 0.2);
}
.field.is-invalid input,
.field.is-invalid textarea { border-color: #f87171; }
.form__msg { margin-top: 14px; font-size: 0.9rem; min-height: 1.4em; text-align: center; }
.form__msg.is-success { color: #34d399; }
.form__msg.is-error { color: #f87171; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding-top: 64px; }
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer__brand p { color: var(--text-muted); font-size: 0.9rem; margin-top: 18px; max-width: 320px; }
.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__col h4 { font-size: 0.95rem; margin-bottom: 6px; }
.footer__col a { color: var(--text-muted); font-size: 0.9rem; transition: color 0.2s; }
.footer__col a:hover { color: var(--accent); }
.footer__bottom {
  border-top: 1px solid var(--border);
  padding-top: 22px; padding-bottom: 28px;
  font-size: 0.85rem; color: var(--text-muted);
  text-align: center;
}

/* ---------- Back to top ---------- */
.to-top {
  position: fixed; right: 24px; bottom: 24px;
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff; font-weight: 700;
  box-shadow: 0 10px 30px -8px rgba(79, 124, 255, 0.8);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  z-index: 90;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__desc { margin-left: auto; margin-right: auto; }
  .hero__actions, .hero__tags { justify-content: center; }
  .hero__visual { order: -1; }
  .globe { width: min(360px, 76vw); }

  .services, .markets { grid-template-columns: repeat(2, 1fr); }
  .panel { grid-template-columns: 1fr; }
  .panels { padding: 40px 32px; }

  .timeline { grid-template-columns: 1fr; gap: 0; max-width: 560px; margin: 0 auto; }
  .timeline::before {
    top: 0; bottom: 0; left: 26px; right: auto;
    width: 2px; height: auto;
    background: linear-gradient(180deg, var(--primary), var(--accent), var(--accent-2));
  }
  .timeline__item {
    text-align: left;
    padding: 0 0 36px 84px;
    min-height: 54px;
  }
  .timeline__dot { position: absolute; left: 0; top: 0; margin: 0; }

  .advantages, .contact__inner { grid-template-columns: 1fr; gap: 40px; }
  .advantages__intro { position: static; text-align: center; }

  .footer__inner { grid-template-columns: 1fr 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 960px) {
  .burger { display: block; z-index: 2; }
  .nav {
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch;
    gap: 4px;
    padding: 16px;
    background: rgba(7, 11, 26, 0.97);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-12px);
    opacity: 0; visibility: hidden;
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav__link { padding: 14px 16px; border-radius: var(--radius-sm); font-size: 1rem; }
  .nav__cta { margin: 8px 0 0; text-align: center; }
  .header.menu-open { background: rgba(7, 11, 26, 0.97); }

  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n + 3) { border-top: 1px solid var(--border); }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .section { padding: 80px 0; }
  .hero { padding-top: calc(var(--header-h) + 40px); }
  .float-card { padding: 8px 12px; }
  .float-card--1 { left: 0; }
  .float-card--2 { right: 0; }

  .services, .markets, .advantages__list { grid-template-columns: 1fr; }
  .service-card { padding: 28px 24px; }

  .tabs { width: 100%; }
  .tabs { border-radius: 24px; }
  .tab { flex: 1; padding: 10px 8px; font-size: 0.9rem; line-height: 1.3; border-radius: 20px; }
  .panels { padding: 28px 20px; }
  .panel h3 { font-size: 1.4rem; }
  .checklist { grid-template-columns: 1fr; }
  .ring { transform: scale(0.85); }

  .form { padding: 26px 20px; }
  .form__row { grid-template-columns: 1fr; gap: 0; }

  .footer__inner { grid-template-columns: 1fr 1fr; }
  .stat strong { font-size: 1.8rem; }
}