/* ============================================================
   风起工作室 FENGQI STUDIO — Global Stylesheet
   Brand: App / Software / AI Agent development
   ============================================================ */

:root {
  --ink: #080d1c;
  --ink-2: #101a33;
  --paper: #ffffff;
  --bg: #f5f7fc;
  --text: #101828;
  --muted: #5c6679;
  --line: #e6eaf3;
  --brand: #2f5bff;
  --brand-deep: #1b3acb;
  --violet: #7b5bff;
  --cyan: #25d6e6;
  --gradient: linear-gradient(120deg, #2f5bff 0%, #7b5bff 52%, #25d6e6 100%);
  --gradient-soft: linear-gradient(135deg, rgba(47, 91, 255, 0.12), rgba(123, 91, 255, 0.12));
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-md: 0 14px 34px -16px rgba(16, 24, 40, 0.2);
  --shadow-lg: 0 36px 70px -30px rgba(16, 24, 40, 0.32);
  --radius: 18px;
  --radius-lg: 28px;
  --container: 1180px;
  --font: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.025em;
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
}

input,
textarea,
select {
  font: inherit;
  color: inherit;
}

::selection {
  background: rgba(47, 91, 255, 0.18);
}

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

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 26px -22px rgba(16, 24, 40, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--gradient);
  color: #fff;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0;
  box-shadow: 0 8px 18px -8px rgba(47, 91, 255, 0.8);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text strong {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-text small {
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: 4px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  position: relative;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: #3c465a;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav a:hover {
  color: var(--brand);
  background: rgba(47, 91, 255, 0.06);
}

.nav a.active {
  color: var(--brand);
  background: rgba(47, 91, 255, 0.08);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #3c465a;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.lang-switch:hover {
  color: var(--brand);
  border-color: rgba(47, 91, 255, 0.4);
}

.lang-switch svg {
  width: 14px;
  height: 14px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  position: relative;
}

.nav-toggle span {
  position: absolute;
  left: 11px;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.28s ease, opacity 0.2s ease, top 0.28s ease;
}

.nav-toggle span:nth-child(1) {
  top: 15px;
}

.nav-toggle span:nth-child(2) {
  top: 20px;
}

.nav-toggle span:nth-child(3) {
  top: 25px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.btn svg {
  width: 17px;
  height: 17px;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 12px 26px -12px rgba(47, 91, 255, 0.85);
}

.btn-primary:hover {
  background: var(--brand-deep);
  transform: translateY(-2px);
  box-shadow: 0 18px 30px -14px rgba(47, 91, 255, 0.9);
}

.btn-ghost {
  background: #fff;
  color: var(--text);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: rgba(47, 91, 255, 0.4);
  color: var(--brand);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--ink);
  color: #fff;
}

.btn-dark:hover {
  background: #17223c;
  transform: translateY(-2px);
}

.btn-light {
  background: #fff;
  color: var(--ink);
}

.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px -18px rgba(0, 0, 0, 0.5);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 14px;
}

/* ---------- Sections ---------- */

.section {
  padding: 100px 0;
}

.section.tight {
  padding: 72px 0;
}

.section-bg {
  background: var(--bg);
}

.section-head {
  max-width: 720px;
  margin-bottom: 56px;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 18px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
}

.section-head.center .eyebrow::before {
  display: none;
}

.section-title {
  font-size: clamp(30px, 4vw, 46px);
  color: var(--ink);
}

.section-desc {
  margin-top: 18px;
  font-size: 17px;
  color: var(--muted);
}

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

/* ---------- Hero (home) ---------- */

.hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(1200px 620px at 78% 18%, rgba(47, 91, 255, 0.28), transparent 60%),
    radial-gradient(900px 560px at 8% 88%, rgba(37, 214, 230, 0.14), transparent 65%),
    linear-gradient(180deg, #070b18 0%, #0a1024 58%, #0c1430 100%);
  color: #fff;
  padding: 96px 0 104px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 75% at 50% 30%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 75% at 50% 30%, #000 30%, transparent 78%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 64px;
}

.hero-copy .eyebrow {
  color: #9db2ff;
}

.hero-copy .eyebrow::before {
  background: linear-gradient(90deg, #7b5bff, #25d6e6);
}

.hero h1 {
  font-size: clamp(42px, 5.4vw, 68px);
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #6f8dff 0%, #a58bff 45%, #55e9f0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero .lead {
  margin-top: 26px;
  max-width: 520px;
  font-size: 17.5px;
  line-height: 1.8;
  color: rgba(226, 232, 249, 0.76);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 58px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  max-width: 540px;
}

.hero-stats dt {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(90deg, #fff, #b9c6ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-stats dd {
  margin: 4px 0 0;
  font-size: 12.5px;
  color: rgba(203, 213, 245, 0.62);
  letter-spacing: 0.04em;
}

/* Hero visual (pure CSS product mock) */
.hero-visual {
  position: relative;
  height: 520px;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.8;
}

.orb-a {
  width: 300px;
  height: 300px;
  right: 6%;
  top: 8%;
  background: rgba(47, 91, 255, 0.5);
}

.orb-b {
  width: 240px;
  height: 240px;
  left: 0;
  bottom: 8%;
  background: rgba(123, 91, 255, 0.4);
}

.phone {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 262px;
  height: 500px;
  transform: translate(-50%, -50%) rotate(-4deg);
  border-radius: 34px;
  background: linear-gradient(170deg, #101a37 0%, #0a1024 100%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 44px 90px -30px rgba(0, 0, 0, 0.75), inset 0 0 0 6px rgba(255, 255, 255, 0.05);
  padding: 14px;
  z-index: 2;
  animation: floatY2 7s ease-in-out infinite;
}

.phone-notch {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 84px;
  height: 16px;
  border-radius: 999px;
  background: #05070f;
  z-index: 2;
}

.phone-screen {
  height: 100%;
  border-radius: 24px;
  background: linear-gradient(180deg, #f7f9ff 0%, #eef2fc 100%);
  overflow: hidden;
  padding: 30px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.phone-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.phone-top span:first-child {
  font-size: 11px;
  font-weight: 700;
  color: #1b2540;
}

.phone-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gradient);
}

.phone-balance {
  border-radius: 16px;
  background: linear-gradient(135deg, #2f5bff, #7b5bff);
  padding: 14px;
  color: #fff;
  box-shadow: 0 12px 22px -12px rgba(47, 91, 255, 0.8);
}

.phone-balance small {
  font-size: 9px;
  letter-spacing: 0.12em;
  opacity: 0.7;
}

.phone-balance strong {
  display: block;
  font-size: 21px;
  letter-spacing: -0.02em;
  margin-top: 2px;
}

.phone-chart {
  display: flex;
  align-items: flex-end;
  gap: 7px;
  height: 74px;
  padding: 10px 12px;
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.phone-chart i {
  flex: 1;
  border-radius: 4px 4px 2px 2px;
  background: linear-gradient(180deg, #7b5bff, #2f5bff);
  opacity: 0.85;
}

.phone-chart i:nth-child(1) { height: 32%; }
.phone-chart i:nth-child(2) { height: 54%; }
.phone-chart i:nth-child(3) { height: 42%; }
.phone-chart i:nth-child(4) { height: 76%; background: linear-gradient(180deg, #25d6e6, #2f5bff); }
.phone-chart i:nth-child(5) { height: 62%; }
.phone-chart i:nth-child(6) { height: 92%; background: linear-gradient(180deg, #25d6e6, #2f5bff); }

.phone-list {
  display: grid;
  gap: 8px;
}

.phone-list li {
  display: flex;
  align-items: center;
  gap: 9px;
  background: #fff;
  border-radius: 12px;
  padding: 8px 10px;
  box-shadow: var(--shadow-sm);
}

.phone-list .tile {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--gradient-soft);
}

.phone-list .lines {
  flex: 1;
}

.phone-list .lines b {
  display: block;
  height: 6px;
  width: 68%;
  border-radius: 3px;
  background: #dde3f3;
}

.phone-list .lines s {
  display: block;
  height: 5px;
  width: 42%;
  border-radius: 3px;
  background: #eef1fa;
  margin-top: 5px;
}

.phone-nav {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  padding: 8px 14px;
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.phone-nav i {
  width: 16px;
  height: 16px;
  border-radius: 6px;
  background: #e3e8f5;
}

.phone-nav i.active {
  background: var(--brand);
}

/* floating UI cards */
.float-card {
  position: absolute;
  border-radius: 18px;
  background: rgba(16, 26, 51, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 24px 46px -22px rgba(0, 0, 0, 0.6);
  padding: 15px 17px;
  z-index: 3;
}

.float-ai {
  right: -2%;
  top: 13%;
  width: 232px;
  animation: floatY 6s ease-in-out infinite 0.6s;
}

.float-ai .float-head {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 11px;
}

.float-ai .ai-dot {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 800;
}

.float-ai .float-head b {
  font-size: 12.5px;
  font-weight: 600;
}

.float-ai .float-head span {
  margin-left: auto;
  font-size: 10px;
  color: #6ee7b7;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.float-ai .float-head span::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 8px #34d399;
}

.bubble {
  border-radius: 10px;
  font-size: 11.5px;
  line-height: 1.55;
  padding: 8px 11px;
  margin-bottom: 7px;
}

.bubble.user {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.82);
}

.bubble.bot {
  background: linear-gradient(120deg, rgba(47, 91, 255, 0.38), rgba(123, 91, 255, 0.32));
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #eaf0ff;
}

.float-metric {
  left: -4%;
  bottom: 16%;
  width: 196px;
  animation: floatY 8s ease-in-out infinite 1.2s;
}

.float-metric small {
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: rgba(203, 213, 245, 0.6);
}

.float-metric b {
  display: block;
  margin-top: 4px;
  font-size: 24px;
  letter-spacing: -0.03em;
}

.float-metric .bar {
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  margin-top: 10px;
  overflow: hidden;
}

.float-metric .bar i {
  display: block;
  width: 84%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #25d6e6, #7b5bff);
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

@keyframes floatY2 {
  0%, 100% { transform: translate(-50%, -50%) rotate(-4deg); }
  50% { transform: translate(-50%, -54%) rotate(-4deg); }
}

/* ---------- Industry strip ---------- */

.industry {
  padding: 34px 0;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.industry-inner {
  display: flex;
  align-items: center;
  gap: 34px;
  flex-wrap: wrap;
  justify-content: center;
}

.industry-inner > p {
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
}

.industry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.industry-tags span {
  font-size: 14px;
  color: #3c465a;
  padding: 7px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.industry-tags span:hover {
  border-color: rgba(47, 91, 255, 0.4);
  color: var(--brand);
}

/* ---------- Service cards ---------- */

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 26px 28px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.service-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(47, 91, 255, 0.035), transparent 45%);
  opacity: 0;
  transition: opacity 0.28s ease;
  pointer-events: none;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(47, 91, 255, 0.28);
  box-shadow: var(--shadow-md);
}

.service-card:hover::after {
  opacity: 1;
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--gradient-soft);
  border: 1px solid rgba(47, 91, 255, 0.14);
  color: var(--brand);
  margin-bottom: 22px;
}

.service-icon svg {
  width: 25px;
  height: 25px;
}

.service-card h3 {
  font-size: 21px;
  color: var(--ink);
}

.service-card .en-sub {
  margin-top: 5px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #97a2b8;
  font-weight: 600;
}

.service-card p {
  margin-top: 14px;
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.75;
}

.service-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 20px;
}

.service-card ul li {
  font-size: 12px;
  color: #4a5568;
  background: var(--bg);
  border-radius: 6px;
  padding: 4px 9px;
}

.service-card .card-link {
  margin-top: auto;
  padding-top: 22px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--brand);
}

.service-card .card-link svg {
  width: 15px;
  height: 15px;
  transition: transform 0.2s ease;
}

.service-card:hover .card-link svg {
  transform: translateX(4px);
}

/* ---------- AI dark band ---------- */

.ai-band {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #080d1c 0%, #111a3c 55%, #0b1024 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 66px 60px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.ai-band::before {
  content: "";
  position: absolute;
  width: 460px;
  height: 460px;
  right: -120px;
  top: -160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 91, 255, 0.4), transparent 62%);
  filter: blur(10px);
}

.ai-band::after {
  content: "";
  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: 54px 54px;
  mask-image: radial-gradient(ellipse 70% 80% at 70% 20%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 70% 20%, #000, transparent 70%);
  pointer-events: none;
}

.ai-band .eyebrow {
  color: #8fa9ff;
  position: relative;
  z-index: 1;
}

.ai-band .eyebrow::before {
  background: #25d6e6;
}

.ai-band h2 {
  position: relative;
  z-index: 1;
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.24;
}

.ai-band h2 em {
  font-style: normal;
  background: linear-gradient(90deg, #8fa9ff, #58e6ef);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.ai-band p {
  position: relative;
  z-index: 1;
  margin-top: 18px;
  color: rgba(203, 213, 245, 0.72);
  font-size: 15.5px;
}

.ai-band .btn {
  margin-top: 30px;
  position: relative;
  z-index: 1;
}

.ai-points {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
}

.ai-points li {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 15px 18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 0.25s ease, transform 0.25s ease;
}

.ai-points li:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateX(4px);
}

.ai-points .num {
  font-size: 11px;
  font-weight: 700;
  color: #8fa9ff;
  letter-spacing: 0.1em;
}

.ai-points b {
  font-size: 14.5px;
  font-weight: 600;
}

.ai-points small {
  display: block;
  font-size: 12.5px;
  color: rgba(203, 213, 245, 0.55);
  margin-top: 2px;
  font-weight: 400;
}

.ai-points .tag {
  margin-left: auto;
  font-size: 11px;
  color: #58e6ef;
  border: 1px solid rgba(88, 230, 239, 0.3);
  border-radius: 999px;
  padding: 2px 9px;
  white-space: nowrap;
}

/* ---------- Process ---------- */

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  counter-reset: step;
}

.process-card {
  position: relative;
  padding: 26px 22px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.process-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.process-card .step {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--brand);
}

.process-card .step::after {
  content: "";
  display: block;
  width: 26px;
  height: 2px;
  background: var(--gradient);
  border-radius: 2px;
  margin-top: 10px;
}

.process-card h3 {
  font-size: 18px;
  margin-top: 16px;
  color: var(--ink);
}

.process-card p {
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.7;
}

/* ---------- Cases ---------- */

.case-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.case-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #e9edf7;
}

.case-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.case-card:hover .case-media img {
  transform: scale(1.06);
}

.case-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 48%, rgba(8, 13, 28, 0.42));
  opacity: 0.55;
  transition: opacity 0.3s ease;
}

.case-card:hover .case-media::after {
  opacity: 0.35;
}

.case-badge {
  position: absolute;
  left: 16px;
  top: 16px;
  z-index: 1;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #fff;
  background: rgba(8, 13, 28, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  padding: 5px 11px;
}

.case-body {
  padding: 24px 24px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.case-body h3 {
  font-size: 20px;
  color: var(--ink);
}

.case-body .case-en {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #97a2b8;
  margin-top: 5px;
  font-weight: 600;
}

.case-body p {
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}

.case-meta span {
  font-size: 11.5px;
  color: #4a5568;
  background: var(--bg);
  border-radius: 6px;
  padding: 4px 9px;
}

/* ---------- Filter chips ---------- */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 14px;
  color: #4a5568;
  transition: all 0.22s ease;
}

.filter-btn:hover {
  border-color: rgba(47, 91, 255, 0.4);
  color: var(--brand);
}

.filter-btn.is-active {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

/* ---------- Why us / values ---------- */

.why-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 70px;
  align-items: center;
}

.why-visual {
  position: relative;
}

.why-panel {
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, #0b1226 0%, #141f42 100%);
  padding: 34px;
  color: #fff;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.why-panel::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  right: -80px;
  bottom: -100px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 214, 230, 0.35), transparent 65%);
}

.why-panel .wp-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(203, 213, 245, 0.6);
  position: relative;
  z-index: 1;
}

.wp-status {
  color: #6ee7b7;
}

.wp-status::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #34d399;
  margin-right: 6px;
  box-shadow: 0 0 8px #34d399;
}

.wp-metric {
  position: relative;
  z-index: 1;
  margin-top: 26px;
}

.wp-metric strong {
  font-size: 52px;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(90deg, #fff, #9bb4ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.wp-metric small {
  display: block;
  font-size: 13px;
  color: rgba(203, 213, 245, 0.6);
  margin-top: 8px;
}

.wp-bars {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 110px;
  margin-top: 26px;
  position: relative;
  z-index: 1;
}

.wp-bars i {
  flex: 1;
  border-radius: 6px 6px 3px 3px;
  background: linear-gradient(180deg, rgba(123, 91, 255, 0.9), rgba(47, 91, 255, 0.35));
}

.wp-bars i:nth-child(1) { height: 34%; }
.wp-bars i:nth-child(2) { height: 52%; }
.wp-bars i:nth-child(3) { height: 44%; }
.wp-bars i:nth-child(4) { height: 70%; }
.wp-bars i:nth-child(5) { height: 58%; }
.wp-bars i:nth-child(6) { height: 84%; background: linear-gradient(180deg, #58e6ef, #2f5bff); }
.wp-bars i:nth-child(7) { height: 100%; background: linear-gradient(180deg, #58e6ef, #7b5bff); }

.wp-foot {
  display: flex;
  justify-content: space-between;
  margin-top: 18px;
  font-size: 11px;
  color: rgba(203, 213, 245, 0.45);
  position: relative;
  z-index: 1;
}

.why-list {
  display: grid;
  gap: 14px;
}

.why-item {
  display: flex;
  gap: 18px;
  padding: 24px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.why-item:hover {
  border-color: rgba(47, 91, 255, 0.3);
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
}

.why-item .wi-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--brand);
  padding-top: 4px;
  letter-spacing: 0.08em;
}

.why-item h3 {
  font-size: 17px;
  color: var(--ink);
}

.why-item p {
  margin-top: 7px;
  font-size: 13.8px;
  color: var(--muted);
  line-height: 1.7;
}

/* ---------- Testimonials ---------- */

.quote-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.quote-card {
  padding: 32px 28px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.quote-card::before {
  content: "\201C";
  position: absolute;
  right: 22px;
  top: 4px;
  font-size: 92px;
  line-height: 1;
  font-family: Georgia, serif;
  color: rgba(47, 91, 255, 0.09);
}

.quote-card p {
  font-size: 15px;
  color: #2d3748;
  line-height: 1.85;
  position: relative;
  z-index: 1;
}

.quote-who {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 24px;
}

.quote-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-soft);
  border: 1px solid rgba(47, 91, 255, 0.15);
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--brand);
}

.quote-who b {
  display: block;
  font-size: 14px;
  font-weight: 600;
}

.quote-who small {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

/* ---------- Tech chips ---------- */

.tech-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.tech-chip {
  font-size: 13.5px;
  color: #3c465a;
  padding: 8px 16px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  transition: all 0.2s ease;
}

.tech-chip:hover {
  color: var(--brand);
  border-color: rgba(47, 91, 255, 0.35);
  transform: translateY(-2px);
}

/* ---------- Page hero (inner pages) ---------- */

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 64px;
  background: linear-gradient(180deg, #f7f9ff 0%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
}

.page-hero::before {
  content: "";
  position: absolute;
  width: 620px;
  height: 620px;
  right: -180px;
  top: -300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 91, 255, 0.14), transparent 62%);
  pointer-events: none;
}

.page-hero::after {
  content: "";
  position: absolute;
  width: 380px;
  height: 380px;
  left: -160px;
  bottom: -240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 214, 230, 0.16), transparent 62%);
  pointer-events: none;
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.breadcrumb a:hover {
  color: var(--brand);
}

.breadcrumb .sep {
  color: #c3cbdc;
}

.page-hero h1 {
  font-size: clamp(34px, 4.6vw, 54px);
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.page-hero .page-desc {
  margin-top: 20px;
  max-width: 660px;
  font-size: 17px;
  color: var(--muted);
  position: relative;
  z-index: 1;
}

.page-hero .hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 28px;
  position: relative;
  z-index: 1;
}

.page-hero .hero-tags span {
  font-size: 12.5px;
  color: #3c465a;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
}

/* ---------- Service detail rows ---------- */

.detail-row {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
  padding: 76px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 100px;
}

.detail-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.detail-row.reverse {
  grid-template-columns: 1.1fr 0.9fr;
}

.detail-row.reverse .detail-visual {
  order: 2;
}

.detail-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 16px;
}

.detail-label i {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--gradient-soft);
  color: var(--brand);
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0;
}

.detail-row h2 {
  font-size: clamp(26px, 3vw, 34px);
  color: var(--ink);
}

.detail-row .detail-en {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #97a2b8;
  margin-top: 8px;
  font-weight: 600;
}

.detail-row p.detail-desc {
  margin-top: 18px;
  color: var(--muted);
  font-size: 15.5px;
  max-width: 520px;
}

.check-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 18px;
  margin-top: 26px;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 14px;
  color: #2d3748;
}

.check-list li i {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(47, 91, 255, 0.1);
  color: var(--brand);
  display: grid;
  place-items: center;
  font-size: 10px;
  font-style: normal;
  margin-top: 3px;
}

.detail-visual {
  position: relative;
  border-radius: var(--radius-lg);
  min-height: 330px;
  background: linear-gradient(150deg, #0a1024 0%, #131d3e 100%);
  overflow: hidden;
  padding: 30px;
  color: #fff;
  box-shadow: var(--shadow-md);
}

.detail-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 40%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 40%, #000, transparent 75%);
}

.mock-window {
  position: relative;
  z-index: 1;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.mock-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mock-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
}

.mock-body {
  padding: 16px;
  display: grid;
  gap: 9px;
}

.mock-line {
  height: 9px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.12);
}

.mock-line.w70 { width: 70%; }
.mock-line.w50 { width: 50%; }
.mock-line.w85 { width: 85%; }

.mock-line.accent {
  background: linear-gradient(90deg, #2f5bff, #7b5bff);
  height: 48px;
  border-radius: 10px;
  width: 100%;
  margin-bottom: 4px;
}

.mock-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
}

.mock-tile {
  height: 56px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.mock-chip-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding: 14px 16px;
}

.mock-chip-row i {
  height: 22px;
  width: 62px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.mock-chip-row i:first-child {
  background: rgba(47, 91, 255, 0.45);
  border: 1px solid rgba(123, 91, 255, 0.4);
}

.detail-visual .dv-caption {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(203, 213, 245, 0.5);
}

/* ---------- Engagement models ---------- */

.model-card {
  padding: 32px 28px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.model-card:hover {
  transform: translateY(-5px);
  border-color: rgba(47, 91, 255, 0.3);
  box-shadow: var(--shadow-md);
}

.model-card .model-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand);
}

.model-card h3 {
  font-size: 22px;
  margin-top: 12px;
  color: var(--ink);
}

.model-card p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14.5px;
}

.model-card ul {
  display: grid;
  gap: 9px;
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px dashed var(--line);
}

.model-card ul li {
  font-size: 13.5px;
  color: #4a5568;
  display: flex;
  gap: 8px;
}

.model-card ul li::before {
  content: "·";
  color: var(--brand);
  font-weight: 800;
}

/* ---------- About ---------- */

.about-split {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 64px;
  align-items: center;
}

.about-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.about-media .am-badge {
  position: absolute;
  left: 22px;
  bottom: 22px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-radius: 14px;
  padding: 14px 18px;
  box-shadow: var(--shadow-md);
}

.am-badge strong {
  display: block;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.am-badge small {
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.about-copy p {
  color: var(--muted);
  font-size: 15.5px;
  margin-top: 16px;
}

.about-copy p:first-of-type {
  margin-top: 22px;
}

.about-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 30px;
}

.about-point {
  padding: 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
}

.about-point b {
  display: block;
  font-size: 15px;
  color: var(--ink);
}

.about-point small {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  color: var(--muted);
}

.value-card {
  padding: 30px 26px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.value-card .vnum {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #a3adc2;
}

.value-card h3 {
  margin-top: 14px;
  font-size: 19px;
  color: var(--ink);
}

.value-card p {
  margin-top: 10px;
  font-size: 14px;
  color: var(--muted);
}

/* Timeline */

.timeline {
  position: relative;
  padding-left: 30px;
  max-width: 820px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, rgba(47, 91, 255, 0.55), rgba(37, 214, 230, 0.2));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding-bottom: 34px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--brand);
  box-shadow: 0 0 0 4px rgba(47, 91, 255, 0.12);
}

.timeline-item .tl-year {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--brand);
}

.timeline-item h3 {
  margin-top: 6px;
  font-size: 18px;
  color: var(--ink);
}

.timeline-item p {
  margin-top: 6px;
  font-size: 14px;
  color: var(--muted);
  max-width: 620px;
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.cap-item {
  padding: 24px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
}

.cap-item h3 {
  font-size: 16px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
}

.cap-item h3 i {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--gradient);
}

.cap-item p {
  margin-top: 9px;
  font-size: 13.5px;
  color: var(--muted);
}

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: start;
}

.contact-cards {
  display: grid;
  gap: 16px;
}

.contact-item {
  display: flex;
  gap: 16px;
  padding: 22px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.contact-item:hover {
  border-color: rgba(47, 91, 255, 0.3);
  box-shadow: var(--shadow-md);
}

.contact-item .ci-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--gradient-soft);
  color: var(--brand);
}

.contact-item .ci-icon svg {
  width: 20px;
  height: 20px;
}

.contact-item small {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #97a2b8;
  font-weight: 600;
}

.contact-item a,
.contact-item b {
  display: block;
  margin-top: 3px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  word-break: break-word;
}

.contact-item a:hover {
  color: var(--brand);
}

.contact-note {
  margin-top: 22px;
  padding: 18px 20px;
  border-radius: 14px;
  background: rgba(47, 91, 255, 0.05);
  border: 1px solid rgba(47, 91, 255, 0.14);
  font-size: 13.5px;
  color: #3c465a;
  line-height: 1.7;
}

.contact-form {
  padding: 36px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.contact-form h2 {
  font-size: 24px;
  color: var(--ink);
}

.contact-form > p {
  margin-top: 8px;
  font-size: 14px;
  color: var(--muted);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 26px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 12.5px;
  font-weight: 600;
  color: #4a5568;
  letter-spacing: 0.02em;
}

.field label .req {
  color: #e5484d;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fbfcfe;
  font-size: 14.5px;
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  outline: none;
}

.field textarea {
  min-height: 132px;
  resize: vertical;
  line-height: 1.7;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: rgba(47, 91, 255, 0.55);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(47, 91, 255, 0.1);
}

.field input::placeholder,
.field textarea::placeholder {
  color: #a9b2c4;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.form-actions .form-hint {
  font-size: 12px;
  color: #97a2b8;
}

.form-status {
  margin-top: 14px;
  font-size: 13px;
  color: var(--brand);
  min-height: 18px;
}

.map-card {
  margin-top: 22px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, #eef3ff 0%, #f7f9ff 100%);
  padding: 26px;
  position: relative;
}

.map-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(47, 91, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 91, 255, 0.07) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at 60% 50%, #000, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 60% 50%, #000, transparent 78%);
}

.map-card .map-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.map-pin {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 0 0 8px rgba(47, 91, 255, 0.14);
}

.map-pin svg {
  width: 21px;
  height: 21px;
}

.map-card b {
  display: block;
  font-size: 15px;
  color: var(--ink);
}

.map-card small {
  display: block;
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 2px;
}

.map-card .map-link {
  margin-left: auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* ---------- FAQ ---------- */

.faq-list {
  max-width: 880px;
  margin-inline: auto;
  display: grid;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.faq-item:hover {
  border-color: rgba(47, 91, 255, 0.28);
}

.faq-item[open] {
  border-color: rgba(47, 91, 255, 0.3);
  box-shadow: var(--shadow-md);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary .plus {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg);
  color: var(--brand);
  display: grid;
  place-items: center;
  font-size: 15px;
  font-weight: 400;
  transition: transform 0.25s ease, background 0.25s ease;
}

.faq-item[open] summary .plus {
  transform: rotate(45deg);
  background: rgba(47, 91, 255, 0.1);
}

.faq-item .faq-answer {
  padding: 0 24px 22px;
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 720px;
}

/* ---------- CTA ---------- */

.cta-wrap {
  padding: 0 0 100px;
}

.cta-band {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 64px 60px;
  background: linear-gradient(120deg, #0a1024 0%, #16204a 45%, #0b1730 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.cta-band::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -80px;
  top: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 91, 255, 0.5), transparent 62%);
  pointer-events: none;
}

.cta-band::after {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  left: 18%;
  bottom: -190px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 214, 230, 0.26), transparent 62%);
  pointer-events: none;
}

.cta-copy {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.cta-copy .eyebrow {
  color: #8fa9ff;
}

.cta-copy .eyebrow::before {
  background: #25d6e6;
}

.cta-copy h2 {
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.2;
}

.cta-copy p {
  margin-top: 16px;
  color: rgba(203, 213, 245, 0.72);
  font-size: 15.5px;
}

.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */

.site-footer {
  background: #070b16;
  color: #fff;
  padding: 68px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.9fr 0.9fr 1.2fr;
  gap: 44px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .brand-mark {
  box-shadow: none;
}

.footer-brand .brand-text strong {
  color: #fff;
}

.footer-brand .brand-text small {
  color: rgba(203, 213, 245, 0.5);
}

.footer-brand p {
  margin-top: 18px;
  max-width: 330px;
  font-size: 13.5px;
  color: rgba(203, 213, 245, 0.55);
  line-height: 1.8;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  display: grid;
  place-items: center;
  color: rgba(226, 232, 249, 0.7);
  transition: all 0.2s ease;
}

.footer-social a:hover {
  color: #fff;
  border-color: rgba(47, 91, 255, 0.6);
  background: rgba(47, 91, 255, 0.16);
}

.footer-social svg {
  width: 16px;
  height: 16px;
}

.footer-col h4 {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: rgba(203, 213, 245, 0.45);
  margin-bottom: 18px;
}

.footer-col ul {
  display: grid;
  gap: 11px;
}

.footer-col ul li a,
.footer-col ul li span {
  font-size: 13.5px;
  color: rgba(226, 232, 249, 0.68);
  transition: color 0.2s ease;
}

.footer-col ul li a:hover {
  color: #fff;
}

.footer-col ul li span {
  display: block;
  line-height: 1.65;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: rgba(203, 213, 245, 0.42);
}

.footer-bottom a {
  color: rgba(203, 213, 245, 0.5);
}

.footer-bottom a:hover {
  color: #fff;
}

/* ---------- Reveal animation ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s cubic-bezier(0.22, 0.68, 0.32, 1), transform 0.7s cubic-bezier(0.22, 0.68, 0.32, 1);
  will-change: opacity, transform;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

.js .reveal[data-delay="1"] { transition-delay: 0.08s; }
.js .reveal[data-delay="2"] { transition-delay: 0.16s; }
.js .reveal[data-delay="3"] { transition-delay: 0.24s; }
.js .reveal[data-delay="4"] { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .phone, .float-ai, .float-metric { animation: none; }
}

/* ---------- Responsive ---------- */

@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { height: 470px; max-width: 560px; margin-inline: auto; width: 100%; }
  .float-ai { right: 0; }
  .hero-stats { max-width: 100%; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid, .about-split { grid-template-columns: 1fr; gap: 44px; }
  .ai-band { grid-template-columns: 1fr; padding: 46px 34px; gap: 36px; }
  .detail-row, .detail-row.reverse { grid-template-columns: 1fr; gap: 34px; padding: 56px 0; }
  .detail-row.reverse .detail-visual { order: 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .quote-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 48px 36px; }
}

@media (max-width: 820px) {
  .nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px 24px 20px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px -28px rgba(16, 24, 40, 0.4);
  }

  .nav.open { display: flex; }

  .nav a { padding: 11px 14px; border-radius: 10px; }

  .nav-toggle { display: block; }

  .header-actions .btn-sm { display: none; }

  .header-inner { height: 68px; }

  .nav { top: 68px; }

  .hero { padding: 64px 0 78px; }

  .hero-visual { height: 460px; }

  .phone { width: 230px; height: 440px; }

  .float-ai { width: 200px; top: 8%; }

  .float-metric { width: 168px; left: 0; bottom: 12%; }

  .section { padding: 74px 0; }

  .section-head { margin-bottom: 40px; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  .process-grid { grid-template-columns: 1fr; }

  .cap-grid { grid-template-columns: 1fr 1fr; }

  .detail-visual { min-height: 280px; }

  .check-list { grid-template-columns: 1fr; }

  .about-points { grid-template-columns: 1fr; }

  .form-grid { grid-template-columns: 1fr; }

  .contact-form { padding: 26px; }

  .footer-grid { grid-template-columns: 1fr; gap: 34px; }

  .footer-bottom { justify-content: flex-start; }

  .why-item:hover { transform: none; }

  .container { width: calc(100% - 40px); }

  .cta-band { padding: 40px 26px; }

  .ai-band { padding: 40px 24px; border-radius: 22px; }

  .hero h1 { font-size: clamp(36px, 9vw, 46px); }

  .page-hero { padding: 52px 0 46px; }
}

@media (max-width: 480px) {
  .brand-text strong { font-size: 15.5px; }
  .brand-text small { font-size: 8.5px; letter-spacing: 0.16em; }
  .brand-mark { width: 36px; height: 36px; font-size: 17px; }
  .lang-switch { padding: 5px 9px; font-size: 12px; }
  .hero-stats { gap: 16px; }
  .hero-stats dt { font-size: 25px; }
  .hero-visual { height: 420px; }
  .phone { width: 212px; height: 400px; }
  .float-ai { width: 178px; padding: 12px; }
  .float-metric { width: 148px; padding: 12px; }
  .quote-card { padding: 26px 22px; }
  .cap-grid { grid-template-columns: 1fr; }
  .cta-copy h2 { font-size: 26px; }
  .stage { display: none; }
}
