/* =========================================================
   生态环境数字化 · ECOLOGY DIGITAL
   Design system + marketing site styles
   ========================================================= */

:root {
  --ink: #0a1f2a;
  --ink-2: #0d2835;
  --ink-3: #123241;
  --teal: #12b394;
  --teal-dark: #0a8f7c;
  --teal-deep: #07695d;
  --teal-light: #7ff0d4;
  --sky: #4aa8e0;
  --amber: #f2a33a;
  --amber-light: #ffd8a1;
  --paper: #f6f8f7;
  --paper-2: #eef2f1;
  --white: #ffffff;
  --text: #14262f;
  --muted: #5c6f78;
  --muted-2: #7d9098;
  --line: #e1e8e5;
  --line-strong: #cfdad6;
  --line-dark: rgba(255, 255, 255, 0.12);
  --radius-lg: 24px;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 24px 60px rgba(10, 31, 42, 0.08);
  --shadow-soft: 0 10px 30px rgba(10, 31, 42, 0.06);
  --max: 1200px;
  --header-h: 76px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro SC", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --mono: "SF Mono", "Roboto Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

*,
*::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: 1.7;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

body.menu-open {
  overflow: hidden;
}

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

.icon {
  display: block;
  width: 100%;
  height: 100%;
}

img {
  height: auto;
}

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

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

button {
  cursor: pointer;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
figure {
  margin: 0;
}

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

::selection {
  background: rgba(18, 179, 148, 0.24);
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 999;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--teal);
  color: #04231c;
  font-size: 14px;
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

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

.container--wide {
  width: min(1360px, calc(100% - 48px));
}

/* ---------- utilities ---------- */

.nowrap {
  white-space: nowrap;
}

/* ---------- type ---------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal-dark);
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
}

.eyebrow--light {
  color: var(--teal-light);
}

.section-title {
  font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.section-title--light {
  color: #f4fbf9;
}

.section-desc {
  margin-top: 16px;
  max-width: 720px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.section-desc--light {
  color: #a9c1ca;
}

.section-head {
  margin-bottom: 48px;
}

.section-head--center {
  text-align: center;
}

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

.section-head--center .eyebrow {
  justify-content: center;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, #1ac9a6, #0a9c86);
  color: #04231c;
  box-shadow: 0 14px 30px rgba(18, 179, 148, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 18px 36px rgba(18, 179, 148, 0.36);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.04);
  color: #e9f7f3;
}

.btn-ghost:hover {
  border-color: rgba(127, 240, 212, 0.55);
  background: rgba(127, 240, 212, 0.08);
}

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

.btn-dark:hover {
  background: var(--ink-2);
}

.btn-outline {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--ink);
}

.btn-outline:hover {
  border-color: var(--teal);
  color: var(--teal-deep);
}

.btn-small {
  min-height: 40px;
  padding: 0 17px;
  font-size: 13px;
  border-radius: 9px;
}

.btn .arrow {
  transition: transform 0.25s var(--ease);
}

.btn:hover .arrow {
  transform: translateX(3px);
}

/* ---------- header ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  --hdr-text: #ffffff;
  --hdr-muted: rgba(255, 255, 255, 0.56);
  color: var(--hdr-text);
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease),
    box-shadow 0.35s var(--ease), height 0.35s var(--ease);
}

.site-header::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.35s var(--ease);
}

.site-header.is-scrolled {
  --hdr-text: var(--ink);
  --hdr-muted: var(--muted-2);
  background: rgba(247, 250, 249, 0.9);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 30px rgba(10, 31, 42, 0.05);
}

.site-header.is-scrolled::after {
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 100%;
}

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

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  box-shadow: 0 6px 16px rgba(18, 179, 148, 0.26);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--hdr-text);
  transition: color 0.35s var(--ease);
}

.brand-en {
  margin-top: 4px;
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--hdr-muted);
  transition: color 0.35s var(--ease);
}

.nav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: auto;
}

.nav a {
  position: relative;
  padding: 6px 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--hdr-text);
  opacity: 0.82;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.nav a:hover,
.nav a.is-active {
  opacity: 1;
}

.nav a:hover::after,
.nav a.is-active::after {
  transform: scaleX(1);
}

.nav a.is-active {
  color: var(--teal-light);
}

.site-header.is-scrolled .nav a.is-active {
  color: var(--teal-dark);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 10px;
  background: transparent;
  color: var(--hdr-text);
}

.site-header.is-scrolled .nav-toggle {
  border-color: var(--line-strong);
}

.nav-toggle span {
  position: relative;
  display: block;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  transition: background 0.2s ease;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.3s var(--ease);
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.nav-toggle.is-open span {
  background: transparent;
}

.nav-toggle.is-open span::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle.is-open span::after {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  z-index: 99;
  inset: 0;
  padding: calc(var(--header-h) + 24px) 24px 40px;
  background: #06171f;
  color: #eaf7f4;
  transform: translateY(-102%);
  visibility: hidden;
  transition: transform 0.45s var(--ease), visibility 0.45s;
  overflow-y: auto;
}

.mobile-menu.is-open {
  transform: translateY(0);
  visibility: visible;
}

.mobile-menu nav {
  display: grid;
}

.mobile-menu a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 22px;
  font-weight: 600;
}

.mobile-menu a span {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--teal-light);
}

.mobile-menu .btn {
  margin-top: 28px;
  width: 100%;
  min-height: 52px;
}

.mobile-menu .mobile-contact {
  margin-top: 28px;
  font-size: 13px;
  line-height: 1.9;
  color: #8fa9b2;
}

.mobile-menu .mobile-contact strong {
  display: block;
  color: #eaf7f4;
  font-size: 15px;
}

.mobile-menu .mobile-contact span {
  display: block;
  margin: -2px 0 12px;
  font-size: 11px;
  color: #7f9da6;
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  padding: calc(var(--header-h) + 86px) 0 0;
  background: #06171f;
  color: #f4fbf9;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(127, 240, 212, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 240, 212, 0.055) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at 55% 35%, #000 20%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse at 55% 35%, #000 20%, transparent 72%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  width: 900px;
  height: 900px;
  top: -420px;
  right: -220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(18, 179, 148, 0.2), transparent 62%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 56px;
  align-items: center;
  min-height: 600px;
  padding-bottom: 64px;
}

.hero-copy {
  max-width: 620px;
}

.hero .eyebrow {
  color: var(--teal-light);
}

.hero h1 {
  font-size: clamp(36px, 4.4vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-weight: 700;
  color: #f5fcfa;
}

.hero h1 span {
  display: inline-block;
  background: linear-gradient(100deg, #f5fcfa 10%, #8ff5df 62%, #4aa8e0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  margin-top: 24px;
  max-width: 560px;
  font-size: 17px;
  line-height: 1.9;
  color: #adc3cc;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-trust li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: #8ea8b2;
}

.hero-trust li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 3px rgba(18, 179, 148, 0.16);
}

/* ---------- hero visual ---------- */

.hero-card {
  padding: 12px;
}

.hero-shot {
  position: relative;
  border: 1px solid rgba(127, 240, 212, 0.14);
  border-radius: 14px;
  overflow: hidden;
  background: #071a24;
}

.hero-shot-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  background: #0b1f2a;
  border-bottom: 1px solid rgba(127, 240, 212, 0.1);
}

.hero-shot-bar i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.hero-shot-bar i:first-child {
  background: rgba(242, 163, 58, 0.7);
}

.hero-shot-bar span {
  margin-left: 6px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.42);
}

.hero-shot picture {
  display: block;
}

.hero-shot img {
  display: block;
  width: 100%;
  height: auto;
  background: #071a24;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.hero-metrics > div {
  padding: 10px 12px;
  border: 1px solid rgba(127, 240, 212, 0.14);
  border-radius: 10px;
  background: rgba(127, 240, 212, 0.04);
}

.hero-metrics b {
  display: block;
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.1;
  color: var(--teal-light);
}

.hero-metrics span {
  display: block;
  margin-top: 4px;
  font-size: 9.5px;
  color: #8fb0b8;
  white-space: nowrap;
}

.hero-card-foot {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
  padding: 0 2px;
  font-size: 9px;
  letter-spacing: 0.06em;
  color: #5f7d87;
}



.hero-visual {
  position: relative;
  min-width: 0;
}

.viz-card {
  position: relative;
  padding: 14px;
  border: 1px solid rgba(127, 240, 212, 0.2);
  border-radius: 24px;
  background: rgba(7, 23, 31, 0.82);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.48);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.viz-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 6px 12px;
}

.viz-head-left {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: #b7d8d0;
  text-transform: uppercase;
}

.viz-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal-light);
  box-shadow: 0 0 0 4px rgba(127, 240, 212, 0.12);
  animation: pulse 2.4s infinite;
}

.viz-head-right {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: #6d8c96;
}

.viz-body {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  background: #071a24;
  border: 1px solid rgba(127, 240, 212, 0.1);
}

.contour-svg {
  display: block;
  width: 100%;
  height: auto;
}

.viz-legend {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  gap: 7px;
  padding: 10px 12px;
  border: 1px solid rgba(127, 240, 212, 0.16);
  border-radius: 10px;
  background: rgba(5, 18, 25, 0.7);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  color: #b9d8d1;
}

.legend-item i {
  width: 7px;
  height: 7px;
  border-radius: 2px;
}

.viz-forecast {
  position: absolute;
  left: 12px;
  bottom: 12px;
  width: 242px;
  padding: 12px 14px 10px;
  border: 1px solid rgba(127, 240, 212, 0.18);
  border-radius: 12px;
  background: rgba(5, 18, 25, 0.86);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.viz-forecast-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.viz-forecast-label {
  font-size: 10px;
  letter-spacing: 0.08em;
  color: #8fb0b8;
}

.viz-forecast-value {
  font-family: var(--mono);
  font-size: 13px;
  color: #e8fbf6;
}

.viz-forecast-value em {
  font-style: normal;
  color: var(--teal-light);
}

.spark {
  display: block;
  width: 100%;
  height: 42px;
  margin-top: 4px;
}

.viz-forecast-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 3px;
  font-family: var(--mono);
  font-size: 9px;
  color: #5f7d87;
}

.viz-forecast-foot b {
  color: var(--amber-light);
  font-weight: 500;
}

.viz-badge {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 5px 9px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(5, 18, 25, 0.64);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: #8fb0b8;
}

.hero-ticker {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-ticker .container {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 40px;
  padding-block: 18px;
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #6f8a95;
}

.ticker-item b {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  color: var(--teal);
}

/* ---------- sections ---------- */

.section {
  padding: 104px 0;
  background: var(--paper);
}

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

.section--tight {
  padding: 76px 0;
}

.section--dark {
  background: #06171f;
  color: #f4fbf9;
}

.section--dark .section-title {
  color: #f4fbf9;
}

.section--dark .section-desc {
  color: #a9c1ca;
}

/* ---------- domain cards ---------- */

.domain-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.domain-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 310px;
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    border-color 0.35s var(--ease);
}

.domain-card:hover {
  transform: translateY(-5px);
  border-color: rgba(18, 179, 148, 0.4);
  box-shadow: var(--shadow);
}

.domain-card.is-featured {
  border-color: transparent;
  background: linear-gradient(160deg, #0b2a36 0%, #071a24 100%);
  color: #f4fbf9;
}

.domain-card.is-featured::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 85% 10%, rgba(23, 195, 162, 0.22), transparent 46%),
    linear-gradient(rgba(127, 240, 212, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 240, 212, 0.05) 1px, transparent 1px);
  background-size: auto, 34px 34px, 34px 34px;
  pointer-events: none;
}

.domain-card > * {
  position: relative;
  z-index: 1;
}

.domain-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--teal-dark);
}

.is-featured .domain-num {
  color: var(--teal-light);
}

.domain-icon {
  width: 40px;
  height: 40px;
  margin: 22px 0 18px;
  color: var(--teal-dark);
}

.is-featured .domain-icon {
  color: var(--teal-light);
}

.domain-title {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.domain-desc {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.is-featured .domain-desc {
  color: #a9c6cf;
}

.domain-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 20px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: rgba(246, 248, 247, 0.7);
  font-size: 10.5px;
  letter-spacing: 0.02em;
  color: var(--muted);
  white-space: nowrap;
}

.is-featured .tag {
  border-color: rgba(127, 240, 212, 0.18);
  background: rgba(127, 240, 212, 0.06);
  color: #a9d8cc;
}

/* ---------- loop ---------- */

.loop {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
}

.loop-step {
  position: relative;
  padding: 28px 18px 0 0;
}

.loop-step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(18, 179, 148, 0.12);
}

.loop-index {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--teal-dark);
}

.loop-step h3 {
  margin-top: 12px;
  font-size: 16px;
  font-weight: 700;
}

.loop-step p {
  margin-top: 7px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- product cards ---------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 300px;
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    border-color 0.35s var(--ease);
}

.product-card:hover {
  transform: translateY(-5px);
  border-color: rgba(18, 179, 148, 0.4);
  box-shadow: var(--shadow);
}

.product-icon {
  width: 38px;
  height: 38px;
  color: var(--teal-dark);
}

.product-name {
  margin-top: 18px;
  font-size: 18.5px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.product-tagline {
  margin-top: 8px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--teal-deep);
}

.product-card-desc {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--muted);
}

.product-desc {
  margin-top: 14px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: auto;
  padding-top: 22px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink);
}

.product-link svg {
  transition: transform 0.25s var(--ease);
}

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

.product-more {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
  padding: 18px 22px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.5);
  font-size: 13px;
  color: var(--muted);
}

.product-more strong {
  color: var(--ink);
}

.product-more a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--teal-deep);
  font-weight: 600;
  white-space: nowrap;
}

/* ---------- solutions / media ---------- */

.solution-list {
  display: grid;
}

.solution-row {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 64px;
  align-items: center;
  padding: 56px 0;
  border-top: 1px solid var(--line);
}

.solution-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.solution-row:nth-child(even) .solution-copy {
  order: 2;
}

.solution-row:nth-child(even) .solution-media {
  order: 1;
}

.solution-index {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--teal-dark);
}

.solution-title {
  margin-top: 8px;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.solution-sub {
  margin-top: 7px;
  font-size: 14px;
  font-weight: 500;
  color: var(--teal-deep);
}

.solution-problem {
  margin-top: 18px;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.solution-points {
  display: grid;
  gap: 9px;
  margin-top: 20px;
}

.solution-points li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.7;
  color: #354a53;
}

.solution-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border: 1.5px solid var(--teal);
  border-radius: 50%;
}

.solution-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 26px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 3px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.text-link:hover {
  color: var(--teal-deep);
  border-color: var(--teal);
}

.text-link svg {
  transition: transform 0.25s var(--ease);
}

.text-link:hover svg {
  transform: translateX(3px);
}

.solution-media {
  position: relative;
  min-width: 0;
}

.browser {
  padding: 10px;
  border: 1px solid rgba(10, 31, 42, 0.12);
  border-radius: 16px;
  background: #0b1f2a;
  box-shadow: 0 30px 70px rgba(10, 31, 42, 0.18);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 4px 10px;
}

.browser-bar i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}

.browser-bar i:first-child {
  background: rgba(242, 163, 58, 0.7);
}

.browser-bar span {
  margin-left: 8px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.4);
}

.browser img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center;
  border-radius: 8px;
  background: #071a24;
}

.browser--wide img {
  aspect-ratio: 16 / 9;
}

.media-caption {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
  font-size: 11px;
  color: var(--muted-2);
}

/* ---------- case cards ---------- */

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.case-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    border-color 0.35s var(--ease);
}

.case-card:hover {
  transform: translateY(-5px);
  border-color: rgba(18, 179, 148, 0.4);
  box-shadow: var(--shadow);
}

.case-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #071a24;
}

.case-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.7s var(--ease);
}

.case-card:hover .case-media img {
  transform: scale(1.035);
}

.case-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 56%, rgba(4, 16, 22, 0.5));
  pointer-events: none;
}

.case-media-note {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 1;
  padding: 4px 8px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 4px;
  background: rgba(6, 23, 31, 0.72);
  font-size: 10px;
  color: #c9dfe4;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.case-level {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 1;
  padding: 5px 9px;
  border-radius: 5px;
  background: rgba(6, 23, 31, 0.72);
  border: 1px solid rgba(127, 240, 212, 0.24);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--teal-light);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.case-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 22px;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.case-title {
  margin-top: 12px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.case-summary {
  margin-top: 9px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.case-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: auto;
  padding-top: 18px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--teal-deep);
}

.case-link svg {
  transition: transform 0.25s var(--ease);
}

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

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

.ai-band {
  position: relative;
  padding: 104px 0;
  background: #06171f;
  color: #f4fbf9;
  overflow: hidden;
}

.ai-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(127, 240, 212, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 240, 212, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 70% 40%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 40%, #000, transparent 70%);
  pointer-events: none;
}

.ai-band::after {
  content: "";
  position: absolute;
  right: -180px;
  top: -180px;
  width: 640px;
  height: 640px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74, 168, 224, 0.16), transparent 65%);
  pointer-events: none;
}

.ai-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.ai-copy .section-title {
  color: #f4fbf9;
}

.ai-capabilities {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 24px;
  margin-top: 32px;
}

.ai-cap {
  padding-left: 14px;
  border-left: 2px solid var(--teal);
}

.ai-cap h3 {
  font-size: 14px;
  font-weight: 700;
  color: #e7faf5;
}

.ai-cap p {
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.7;
  color: #8fa9b2;
}

.ai-chat {
  padding: 22px;
  border: 1px solid rgba(127, 240, 212, 0.18);
  border-radius: 20px;
  background: rgba(9, 29, 38, 0.86);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

.chat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-head-left {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  font-weight: 600;
  color: #d9f4ed;
}

.chat-head-left i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal-light);
  box-shadow: 0 0 0 3px rgba(127, 240, 212, 0.12);
}

.chat-head span {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: #5f7d87;
}

.chat-body {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.chat-msg {
  max-width: 92%;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.75;
}

.chat-msg.user {
  justify-self: end;
  background: rgba(255, 255, 255, 0.07);
  color: #d9e8e4;
  border-top-right-radius: 4px;
}

.chat-msg.bot {
  justify-self: start;
  border: 1px solid rgba(127, 240, 212, 0.16);
  background: rgba(23, 195, 162, 0.08);
  color: #c9e9e1;
  border-top-left-radius: 4px;
}

.chat-msg b {
  color: var(--teal-light);
  font-weight: 600;
}

.chat-msg ol {
  display: grid;
  gap: 5px;
  margin-top: 7px;
  padding-left: 18px;
  list-style: decimal;
}

.chat-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 10px;
  color: #5f7d87;
}

.chat-foot b {
  color: #8fb0b8;
  font-weight: 500;
}

/* ---------- delivery ---------- */

.deliver-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
}

.deliver-step {
  position: relative;
  padding: 26px 18px 0 0;
}

.deliver-step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 0 4px rgba(10, 31, 42, 0.08);
}

.deliver-step:first-child::before {
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(18, 179, 148, 0.14);
}

.deliver-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--teal-dark);
}

.deliver-step h3 {
  margin-top: 10px;
  font-size: 15px;
  font-weight: 700;
}

.deliver-step p {
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.assurances {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 44px;
}

.assurance {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
}

.assurance-icon {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  color: var(--teal-dark);
}

.assurance h3 {
  font-size: 14px;
  font-weight: 700;
}

.assurance p {
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- about ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 64px;
  align-items: start;
}

.about-copy p {
  margin-top: 18px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

.about-copy p strong {
  color: var(--ink);
  font-weight: 600;
}

.stat-list {
  display: grid;
  gap: 12px;
}

.stat-card {
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
}

.stat-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted-2);
}

.stat-value {
  margin-top: 6px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.stat-value small {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0;
}

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

.cta-band {
  position: relative;
  padding: 82px 0;
  background: linear-gradient(115deg, #0a8f7c 0%, #0b3a44 48%, #071a24 100%);
  color: #f4fbf9;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 25% 50%, #000, transparent 68%);
  -webkit-mask-image: radial-gradient(ellipse at 25% 50%, #000, transparent 68%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.cta-title {
  font-size: clamp(30px, 3.8vw, 46px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.cta-desc {
  margin-top: 14px;
  max-width: 560px;
  font-size: 15px;
  line-height: 1.85;
  color: #bfe6dd;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.cta-contacts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 26px;
  font-size: 13px;
  color: #bfe6dd;
}

.cta-contacts b {
  display: block;
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 500;
  color: #fff;
  letter-spacing: 0.02em;
}

.cta-contacts small {
  display: block;
  margin-top: 2px;
  font-size: 11px;
  color: #8fbfb4;
  letter-spacing: 0;
}

.cta-panel {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(4, 22, 28, 0.32);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.cta-panel h3 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}

.cta-panel ul {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.cta-panel li {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.16);
  font-size: 12.5px;
  color: #bfe6dd;
}

.cta-panel li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.cta-panel li b {
  font-weight: 600;
  color: #fff;
  text-align: right;
}

/* ---------- footer ---------- */

.footer {
  padding: 64px 0 26px;
  background: #06151d;
  color: #8fa6b1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.9fr 0.9fr 1.1fr;
  gap: 40px;
}

.footer-brand .brand-name {
  color: #f4fbf9;
}

.footer-brand .brand-en {
  color: #6f8a95;
}

.footer-about {
  margin-top: 18px;
  max-width: 320px;
  font-size: 12.5px;
  line-height: 1.85;
  color: #7f97a2;
}

.footer h4 {
  margin-bottom: 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: #d7ebe6;
  text-transform: uppercase;
}

.footer-links {
  display: grid;
  gap: 9px;
  font-size: 13px;
}

.footer-links a {
  color: #8fa6b1;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--teal-light);
}

.footer-contact {
  display: grid;
  gap: 9px;
  font-size: 13px;
}

.footer-contact a {
  color: #c9dfe4;
}

.footer-contact span {
  color: #6f8a95;
  font-size: 11px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 11px;
  color: #5f7d87;
}

.footer-bottom a {
  color: #7f97a2;
}

/* ---------- page hero ---------- */

.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 84px) 0 72px;
  background: #06171f;
  color: #f4fbf9;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(127, 240, 212, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 240, 212, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 60% 20%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 60% 20%, #000, transparent 70%);
  pointer-events: none;
}

.page-hero::after {
  content: "";
  position: absolute;
  right: -160px;
  top: -260px;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(18, 179, 148, 0.16), transparent 64%);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: #6f8a95;
}

.breadcrumb a {
  color: #8fa6b1;
}

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

.breadcrumb span {
  color: #4c6871;
}

.page-title {
  max-width: 900px;
  font-size: clamp(34px, 4.4vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.page-lead {
  max-width: 760px;
  margin-top: 18px;
  font-size: 16px;
  line-height: 1.85;
  color: #a9c1ca;
}

.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.page-meta .tag {
  border-color: rgba(127, 240, 212, 0.2);
  background: rgba(127, 240, 212, 0.06);
  color: #a9d8cc;
}

/* ---------- team ---------- */

.team-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: stretch;
}

.team-roles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-content: start;
}

.role-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
}

.role-icon {
  display: block;
  width: 26px;
  height: 26px;
  margin-bottom: 12px;
  color: var(--teal-dark);
}

.role-card h3 {
  font-size: 14.5px;
  font-weight: 700;
}

.role-card p {
  margin-top: 5px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.team-tags {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 2px;
}

.team-tags span {
  padding: 5px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: var(--paper);
  font-size: 11px;
  color: #354a53;
}

.arch-card {
  display: flex;
  flex-direction: column;
  margin: 0;
  border: 1px solid rgba(127, 240, 212, 0.16);
  border-radius: 18px;
  overflow: hidden;
  background: #071a24;
  box-shadow: var(--shadow);
}

.arch-card img {
  width: 100%;
  height: auto;
}

.arch-card figcaption {
  padding: 12px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 11px;
  color: #8fa9b2;
}

.team-foot {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.team-foot div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.team-foot b {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.team-foot span {
  font-size: 11px;
  color: var(--muted-2);
}

/* ---------- products page ---------- */

.filter-bar {
  position: sticky;
  top: var(--header-h);
  z-index: 30;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 16px 0;
  background: rgba(246, 248, 247, 0.94);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.filter-btn {
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--white);
  font-size: 12.5px;
  color: var(--muted);
  transition: all 0.2s ease;
}

.filter-btn:hover {
  border-color: var(--teal);
  color: var(--teal-deep);
}

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

.filter-count {
  margin-left: auto;
  align-self: center;
  padding-left: 12px;
  font-size: 12px;
  color: var(--muted-2);
  white-space: nowrap;
}

.filter-count b {
  color: var(--ink);
  font-weight: 600;
}

.product-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding-top: 32px;
}

.product-card--full {
  min-height: 0;
  padding: 30px;
}

.product-visual {
  margin-bottom: 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #071a24;
}

.product-visual svg {
  display: block;
  width: 100%;
  height: auto;
}

.product-card--full .product-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.product-card--full .product-icon {
  flex: 0 0 auto;
  margin-top: 2px;
}

.product-card--full .product-name {
  margin-top: 0;
  font-size: 21px;
}

.product-card--full .product-tagline {
  margin-top: 6px;
}

.product-features {
  display: grid;
  gap: 8px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.product-features li {
  position: relative;
  padding-left: 20px;
  font-size: 13px;
  line-height: 1.7;
  color: #354a53;
}

.product-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

.product-card--full .product-tags {
  margin-top: 18px;
}

/* ---------- solutions page ---------- */

.solution-block {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 64px;
  align-items: center;
  padding: 64px 0;
  border-top: 1px solid var(--line);
}

.solution-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.solution-block:nth-child(even) .solution-copy {
  order: 2;
}

.solution-block:nth-child(even) .solution-visual {
  order: 1;
}

.solution-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 340px;
  padding: 26px;
  border-radius: var(--radius);
  background: linear-gradient(155deg, #0b2a36, #071a24 70%);
  color: #e9f7f3;
  overflow: hidden;
  border: 1px solid rgba(127, 240, 212, 0.14);
}

.solution-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(127, 240, 212, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 240, 212, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at 70% 20%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 20%, #000, transparent 75%);
}

.solution-visual > * {
  position: relative;
  z-index: 1;
}

.solution-visual-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.solution-visual-index {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--teal-light);
}

.solution-visual-tag {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: #7f9da6;
}

.solution-visual-watermark {
  position: absolute;
  right: 18px;
  bottom: 4px;
  font-family: var(--mono);
  font-size: 108px;
  line-height: 1;
  font-weight: 700;
  color: rgba(127, 240, 212, 0.06);
  pointer-events: none;
}

.solution-visual-icon {
  position: relative;
  width: 46px;
  height: 46px;
  margin-top: 24px;
  color: var(--teal-light);
}

.solution-visual h3 {
  margin-top: 16px;
  font-size: 26px;
  letter-spacing: -0.01em;
}

.solution-visual p {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.8;
  color: #9fbcc4;
}

.solution-visual-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 24px;
}

.solution-visual-chips span {
  padding: 5px 9px;
  border: 1px solid rgba(127, 240, 212, 0.18);
  border-radius: 5px;
  background: rgba(127, 240, 212, 0.05);
  font-size: 10.5px;
  color: #a9d8cc;
}

/* ---------- cases page ---------- */

.case-section {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}

.case-section:first-child {
  border-top: 0;
  padding-top: 24px;
}

.case-head {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 28px;
}

.case-head h2 {
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.22;
  letter-spacing: -0.02em;
}

.case-fullname {
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--muted-2);
}

.case-kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--teal-dark);
  margin-bottom: 10px;
}

.case-head p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.case-cover {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #071a24;
}

.case-cover img {
  width: 100%;
  max-height: 720px;
  object-fit: cover;
  object-position: center;
}

.case-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.case-gallery--single {
  grid-template-columns: 1fr;
}

.case-gallery figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #071a24;
}

.case-gallery img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.case-gallery figcaption {
  padding: 10px 14px;
  font-size: 11px;
  color: var(--muted-2);
  background: var(--white);
}

.case-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 34px;
}

.case-facts h3 {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.case-facts p {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.case-facts ul {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.case-facts li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
  line-height: 1.7;
  color: #354a53;
}

.case-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

.case-note {
  margin-top: 8px;
  font-size: 11px;
  color: var(--muted-2);
}

/* ---------- about page ---------- */

.about-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: start;
}

.about-manifesto {
  padding: 28px;
  border: 1px solid rgba(127, 240, 212, 0.18);
  border-radius: var(--radius);
  background: rgba(127, 240, 212, 0.05);
  font-size: 14px;
  line-height: 1.9;
  color: #b9d8d1;
}

.about-manifesto b {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--teal-light);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.value-card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.value-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--teal-dark);
}

.value-card h3 {
  margin-top: 12px;
  font-size: 18px;
  font-weight: 700;
}

.value-card p {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.tech-tags span {
  padding: 6px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--white);
  font-size: 12px;
  color: #354a53;
}

.timeline {
  display: grid;
  gap: 0;
  margin-top: 28px;
  border-left: 1px solid var(--line-strong);
  padding-left: 26px;
}

.timeline-item {
  position: relative;
  padding-bottom: 26px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--teal);
}

.timeline-year {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--teal-dark);
}

.timeline-item h3 {
  margin-top: 5px;
  font-size: 15px;
  font-weight: 700;
}

.timeline-item p {
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- contact page ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.contact-list {
  display: grid;
  gap: 12px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  transition: border-color 0.2s ease, transform 0.25s var(--ease);
}

.contact-item:hover {
  border-color: rgba(18, 179, 148, 0.4);
  transform: translateY(-2px);
}

.contact-icon {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: rgba(18, 179, 148, 0.1);
  color: var(--teal-deep);
}

.contact-item h3 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--muted-2);
}

.contact-item p {
  margin-top: 3px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.contact-item small {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  color: var(--muted-2);
}

.copy-btn {
  margin-left: auto;
  align-self: center;
  flex: 0 0 auto;
  padding: 6px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--white);
  font-size: 11px;
  color: var(--muted);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.copy-btn:hover {
  border-color: var(--teal);
  color: var(--teal-deep);
}

.qr-card {
  padding: 26px;
  border-radius: var(--radius);
  background: linear-gradient(155deg, #0b2a36, #071a24 70%);
  color: #e9f7f3;
  border: 1px solid rgba(127, 240, 212, 0.16);
}

.qr-card h3 {
  font-size: 15px;
  font-weight: 700;
}

.qr-card p {
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.7;
  color: #9fbcc4;
}

.qr-box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 168px;
  height: 168px;
  margin-top: 18px;
  border: 1px dashed rgba(127, 240, 212, 0.35);
  border-radius: 12px;
  background: rgba(127, 240, 212, 0.04);
  font-size: 11px;
  color: #7f9da6;
  text-align: center;
  line-height: 1.7;
}

.qr-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 11px;
  color: #7f9da6;
}

.qr-meta b {
  color: #d9f4ed;
  font-weight: 500;
}

.contact-note {
  margin-top: 22px;
  padding: 18px 20px;
  border-left: 2px solid var(--teal);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(18, 179, 148, 0.06);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--muted);
}

.map-placeholder {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  margin-top: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(140deg, #eef4f2, #e6eeeb);
  overflow: hidden;
  text-align: center;
}

.map-placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(10, 31, 42, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 31, 42, 0.05) 1px, transparent 1px);
  background-size: 36px 36px;
}

.map-placeholder > div {
  position: relative;
  z-index: 1;
}

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

.map-placeholder span {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
}

.case-section,
.solution-block,
.solution-row,
.product-card,
#main-content {
  scroll-margin-top: calc(var(--header-h) + 32px);
}

/* ---------- reveal ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--delay, 0ms);
  will-change: opacity, transform;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 4px rgba(127, 240, 212, 0.12);
  }
  50% {
    box-shadow: 0 0 0 7px rgba(127, 240, 212, 0.03);
  }
}

[hidden] {
  display: none !important;
}

@media (min-width: 921px) {
  .hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }

  .hero-inner {
    flex: 1;
    display: flex;
    align-items: center;
  }
}

/* ---------- responsive ---------- */

@media (max-width: 1120px) {
  .hero-grid {
    gap: 36px;
    min-height: 0;
    padding-bottom: 56px;
  }

  .domain-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .solution-row,
  .solution-block {
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }

  .footer-grid > *:last-child {
    grid-column: 1 / -1;
  }

  .deliver-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 0;
  }

  .deliver-step {
    border-top: 1px solid var(--line-strong);
    margin-top: 14px;
  }

  .deliver-step::before {
    top: -4px;
  }
}

@media (max-width: 920px) {
  .nav {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .header-actions {
    margin-left: auto;
  }

  .hero {
    padding-top: calc(var(--header-h) + 56px);
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero-visual {
    max-width: 680px;
  }

  .loop {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px 0;
    border-top: 0;
  }

  .loop-step {
    border-top: 1px solid var(--line-strong);
    margin-top: 14px;
  }

  .loop-step::before {
    top: -4px;
  }

  .ai-grid,
  .about-grid,
  .cta-inner,
  .contact-grid,
  .about-hero-grid,
  .team-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .arch-card {
    max-width: 560px;
  }

  .solution-row,
  .solution-block {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .solution-row:nth-child(even) .solution-copy,
  .solution-row:nth-child(even) .solution-media,
  .solution-block:nth-child(even) .solution-copy,
  .solution-block:nth-child(even) .solution-visual {
    order: initial;
  }

  .solution-row {
    padding: 42px 0;
  }

  .case-head {
    grid-template-columns: 1fr;
    gap: 16px;
    align-items: start;
  }

  .case-facts {
    grid-template-columns: 1fr;
    gap: 26px;
  }

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

  .cta-panel {
    max-width: 560px;
  }

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

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

@media (max-width: 640px) {
  :root {
    --header-h: 68px;
  }

  .container,
  .container--wide {
    width: calc(100% - 32px);
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }

  .brand-name {
    font-size: 16px;
  }

  .brand-en {
    display: none;
  }

  .hero {
    padding-top: calc(var(--header-h) + 40px);
  }

  .hero h1 {
    font-size: clamp(32px, 9vw, 42px);
    letter-spacing: -0.03em;
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-actions .btn {
    flex: 1 1 100%;
  }

  .hero-trust {
    gap: 10px 16px;
  }

  .hero-grid {
    padding-bottom: 40px;
  }

  .viz-card {
    padding: 10px;
    border-radius: 18px;
  }

  .viz-forecast {
    width: 200px;
    padding: 10px 12px;
  }

  .viz-legend {
    display: none;
  }

  .hero-ticker .container {
    gap: 10px 22px;
    padding-block: 14px;
  }

  .section {
    padding: 72px 0;
  }

  .section--tight {
    padding: 56px 0;
  }

  .section-head {
    margin-bottom: 32px;
  }

  .section-title {
    font-size: clamp(26px, 7.6vw, 34px);
  }

  .section-desc {
    font-size: 14.5px;
  }

  .domain-grid,
  .product-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }

  .domain-card {
    min-height: 0;
  }

  .loop {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 0;
  }

  .product-card {
    min-height: 0;
  }

  .product-more {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .solution-row {
    padding: 34px 0;
  }

  .solution-problem {
    font-size: 13px;
  }

  .case-gallery {
    grid-template-columns: 1fr;
  }

  .ai-band {
    padding: 72px 0;
  }

  .team-roles {
    grid-template-columns: 1fr;
  }

  .team-foot {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .ai-capabilities {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .ai-chat {
    padding: 16px;
  }

  .chat-msg {
    max-width: 100%;
  }

  .deliver-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta-band {
    padding: 64px 0;
  }

  .cta-contacts {
    gap: 12px 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px 24px;
  }

  .footer-grid > *:first-child {
    grid-column: 1 / -1;
  }

  .footer-grid > *:last-child {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 6px;
  }

  .page-hero {
    padding: calc(var(--header-h) + 48px) 0 52px;
  }

  .page-title {
    font-size: clamp(30px, 8.4vw, 40px);
  }

  .page-lead {
    font-size: 14.5px;
  }

  .filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 12px 0;
    margin-inline: -16px;
    padding-inline: 16px;
    scrollbar-width: none;
  }

  .filter-bar::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    flex: 0 0 auto;
  }

  .product-list {
    gap: 12px;
    padding-top: 22px;
  }

  .product-card--full {
    padding: 22px;
  }

  .product-card--full .product-name {
    font-size: 19px;
  }

  .solution-block {
    padding: 40px 0;
  }

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

  .case-section {
    padding: 48px 0;
  }

  .contact-item p {
    font-size: 16px;
  }

  .qr-box {
    width: 150px;
    height: 150px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}