/* 睿见有维 — Tencent.com inspired corporate style */

:root {
  --brand: #2f6fb8;
  --brand-hover: #255a96;
  --gold: #c9a227;
  --gold-dark: #a67c0f;
  --ink: #111111;
  --ink-soft: #333333;
  --muted: #666666;
  --line: #e6e6e6;
  --bg: #ffffff;
  --bg-soft: #f7f7f7;
  --white: #ffffff;
  --radius-hero: 16px;
  --header-h: 76px;
  --container: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--brand);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

/* ——— Header ——— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.site-header.is-over-dark {
  background: rgba(6, 20, 40, 0.88);
  border-bottom-color: transparent;
}

.site-header.is-over-dark .logo {
  color: #e8c96a;
}

.site-header.is-over-dark .nav-desktop a {
  color: rgba(255, 255, 255, 0.88);
}

.site-header.is-over-dark .nav-desktop a:hover {
  color: #fff;
}

.site-header.is-over-dark .lang-btn {
  color: rgba(255, 255, 255, 0.55);
}

.site-header.is-over-dark .lang-btn.is-active {
  color: #e8c96a;
}

.site-header.is-over-dark .menu-toggle span {
  background: #e8c96a;
}

.header-inner {
  width: min(100% - 2rem, 1280px);
  margin-inline: auto;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--gold-dark);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.logo-img {
  display: block;
  height: 52px;
  width: auto;
  max-width: min(62vw, 240px);
  object-fit: contain;
}

.logo-img--footer {
  height: auto;
  width: min(260px, 72vw);
  max-width: 280px;
  filter: none;
}

.site-header.is-over-dark .logo-img {
  filter: drop-shadow(0 1px 8px rgba(0, 0, 0, 0.45));
}

.logo-mark {
  display: none;
}

.logo-text {
  display: none;
}

.nav-desktop {
  display: none;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 1.35rem;
  min-width: 0;
}

.nav-desktop a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s;
  white-space: nowrap;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.lang-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.2rem 0.35rem;
}

.lang-btn.is-active {
  color: var(--brand);
}

.menu-toggle {
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 7px;
  padding: 0;
}

.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
  transition: width 0.25s var(--ease), transform 0.25s var(--ease), opacity 0.2s;
}

.menu-toggle span:first-child {
  width: 22px;
}

.menu-toggle span:last-child {
  width: 14px;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  width: 22px;
  transform: translateY(4.5px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  width: 22px;
  transform: translateY(-4.5px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 0 auto;
  width: min(100%, 360px);
  background: #fff;
  z-index: 99;
  padding: 1.5rem 2rem 2rem;
  transform: translateX(100%);
  transition: transform 0.35s var(--ease), visibility 0.35s;
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.08);
  visibility: hidden;
  pointer-events: none;
}

.mobile-nav.is-open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mobile-nav a {
  font-size: 1.15rem;
  font-weight: 500;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

.nav-backdrop {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 98;
  opacity: 0;
  transition: opacity 0.3s, visibility 0.3s;
  visibility: hidden;
  pointer-events: none;
}

.nav-backdrop.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* ——— Hero (Tencent-style inset rounded frame) ——— */
.hero {
  padding: 0.75rem 1rem 1.5rem;
}

.hero-frame {
  position: relative;
  height: min(78vh, 720px);
  min-height: 420px;
  border-radius: var(--radius-hero);
  overflow: hidden;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(0, 40, 90, 0.25), transparent 50%),
    url("https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&w=2000&q=80")
      center / cover no-repeat;
  transform: scale(var(--hero-zoom, 1.02));
  will-change: transform;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 20, 50, 0.15) 0%,
    rgba(0, 20, 50, 0.25) 40%,
    rgba(0, 15, 40, 0.72) 100%
  );
}

.hero-content {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: clamp(1.5rem, 5vw, 3.5rem);
  padding-bottom: clamp(4rem, 8vw, 5.5rem);
  color: #fff;
  z-index: 1;
}

.hero-title {
  margin: 0 0 1.25rem;
  font-size: clamp(2.2rem, 6vw, 4.25rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0.02em;
  max-width: 14ch;
  animation: fadeUp 0.9s var(--ease) both;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 500;
  transition: gap 0.25s var(--ease), opacity 0.2s;
  animation: fadeUp 0.9s var(--ease) 0.15s both;
}

.hero-cta:hover {
  gap: 0.75rem;
  opacity: 0.9;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ——— Scroll cue (Tencent-style circle arrow) ——— */
.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: clamp(1.25rem, 3vw, 2rem);
  transform: translateX(-50%);
  z-index: 2;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.scroll-cue-ring {
  width: 44px;
  height: 44px;
  border: 1.5px solid rgba(255, 255, 255, 0.85);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
  animation: cueBounce 2.2s ease-in-out infinite;
}

.scroll-cue:hover .scroll-cue-ring {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  animation: none;
  transform: translateY(2px);
}

@keyframes cueBounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(6px);
  }
}

/* ——— Story rail (sticky scroll-zoom panels) ——— */
.story-rail {
  background: #000000;
}

.story-track {
  position: relative;
  height: 260vh;
  background: #000000;
}

.story-panel {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.35rem;
  padding: calc(var(--header-h) + 1.25rem) clamp(1rem, 4vw, 3rem) 1.5rem;
  background: #000000;
  box-sizing: border-box;
}

.story-frame {
  position: relative;
  width: min(100%, 1200px);
  flex: 0 1 auto;
  height: min(78vh, 700px);
  max-height: calc(100dvh - var(--header-h) - 6rem);
  border-radius: var(--box-radius, 18px);
  overflow: hidden;
  isolation: isolate;
  transform: scale(var(--frame-zoom, 0.68));
  transform-origin: center center;
  will-change: transform, border-radius;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

.story-media {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(var(--media-zoom, 1));
  transform-origin: center center;
  will-change: transform;
}

.story-media--invest {
  background-image: url("https://images.unsplash.com/photo-1553877522-43269d4ea984?auto=format&fit=crop&w=2000&q=80");
}

.story-media--industry {
  background-image: url("https://images.unsplash.com/photo-1600880292203-757bb62b4baf?auto=format&fit=crop&w=2000&q=80");
}

.story-media--future {
  background-image: url("https://images.unsplash.com/photo-1485827404703-89b55fcc595e?auto=format&fit=crop&w=2000&q=80");
}

.story-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(6, 20, 40, 0.35) 0%,
    rgba(6, 20, 40, 0.45) 45%,
    rgba(6, 20, 40, 0.55) 100%
  );
  opacity: var(--veil-opacity, 0.9);
}

.story-copy {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  padding: 2rem 1.5rem 3.5rem;
  opacity: var(--copy-opacity, 1);
  transform: translateY(var(--copy-y, 0px)) scale(var(--copy-scale, 1));
  will-change: opacity, transform;
  pointer-events: none;
}

.story-copy h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(2.4rem, 7.5vw, 5rem);
  font-weight: 800;
  font-style: italic;
  letter-spacing: 0.02em;
  line-height: 1.1;
  max-width: none;
}

.story-copy p {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1.75rem;
  margin: 0;
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  font-weight: 400;
  opacity: 0.95;
  max-width: none;
}

.story-link {
  display: none;
}

.scroll-cue--below {
  position: relative;
  left: auto;
  bottom: auto;
  transform: none;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.scroll-cue--below .scroll-cue-ring {
  width: 40px;
  height: 40px;
}

/* Scroll snap disabled — sticky zoom owns the storytelling scroll */
.snap-section {
  scroll-snap-align: none;
}

@media (prefers-reduced-motion: reduce) {
  .scroll-cue-ring {
    animation: none;
  }

  .story-track {
    height: auto;
  }

  .story-panel {
    position: relative;
    height: auto;
    min-height: 100vh;
    padding: calc(var(--header-h) + 1rem) 1.25rem 1.5rem;
  }

  .story-frame {
    height: min(70vh, 560px);
    transform: none;
    width: 100%;
  }

  .story-media {
    inset: 0;
    transform: none;
  }

  .story-copy {
    opacity: 1;
    transform: none;
  }
}

/* ——— News strip ——— */
.news-strip {
  padding: 3.5rem 0 2rem;
}

.news-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.news-head h2 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
}

.news-grid {
  display: grid;
  gap: 1.25rem;
}

.news-card {
  display: grid;
  gap: 0.85rem;
}

.news-card-media {
  aspect-ratio: 16 / 10;
  border-radius: 12px;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s var(--ease);
}

.news-card:hover .news-card-media {
  transform: scale(1.02);
}

.news-card-media--1 {
  background-image: url("https://images.unsplash.com/photo-1551288049-bebda4e38f71?auto=format&fit=crop&w=900&q=80");
}

.news-card-media--2 {
  background-image: url("https://images.unsplash.com/photo-1497366216548-37526070297c?auto=format&fit=crop&w=900&q=80");
}

.news-card-media--3 {
  background-image: url("https://images.unsplash.com/photo-1677442136019-21780ecad995?auto=format&fit=crop&w=900&q=80");
}

.news-card h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink-soft);
}

.text-link {
  color: var(--brand);
  font-weight: 500;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.text-link:hover {
  opacity: 0.75;
}

/* ——— Sections ——— */
.section {
  padding: 5rem 0;
}

.section-label {
  margin: 0 0 0.75rem;
  color: var(--brand);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.section-title {
  margin: 0 0 1.5rem;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.01em;
  max-width: 22ch;
}

.section-lead {
  margin: -0.5rem 0 2rem;
  color: var(--muted);
  max-width: 48ch;
}

.about-grid {
  display: grid;
  gap: 2.5rem;
  margin-top: 2rem;
}

.about-copy p {
  color: var(--ink-soft);
  font-size: 1.05rem;
  margin: 0 0 1.1rem;
}

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stat {
  background: var(--bg-soft);
  border-radius: 12px;
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.stat-value {
  display: flex;
  align-items: baseline;
  gap: 0.1rem;
  margin: 0;
}

.stat-num,
.stat-plus {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--brand);
  line-height: 1;
}

.stat-plus {
  display: inline;
  font-size: 1.75rem;
}

.stat-label {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ——— Mission banner ——— */
.mission-banner {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}

.mission-media {
  position: absolute;
  inset: 0;
  background:
    url("https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=2000&q=80")
      center / cover no-repeat;
}

.mission-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 25, 60, 0.82) 0%, rgba(0, 40, 90, 0.55) 55%, rgba(0, 40, 90, 0.35) 100%);
}

.mission-content {
  position: relative;
  z-index: 1;
  padding-block: 4.5rem;
}

.mission-kicker {
  margin: 0 0 1rem;
  font-weight: 500;
  opacity: 0.9;
}

.mission-content h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.4rem, 7vw, 3rem);
  font-weight: 800;
  line-height: 1.3;
}

.mission-content h2 .mission-line {
  display: block;
}

.mission-content h2 .mission-line + .mission-line {
  margin-top: 1em;
}

.mission-sub {
  margin: 0 0 2rem;
  font-size: clamp(0.72rem, 3.6vw, 1.05rem);
  opacity: 0.92;
  white-space: nowrap;
}

.values {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.values span {
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  padding: 0.45rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
}

/* ——— Ecosystem ——— */
.eco-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.eco-card {
  text-align: left;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 1.25rem 1.1rem;
  cursor: pointer;
  transition: border-color 0.25s, background 0.25s, transform 0.25s var(--ease);
}

.eco-card:hover {
  border-color: #b8d4ff;
  transform: translateY(-2px);
}

.eco-card.is-active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.eco-index {
  display: block;
  font-size: 0.8rem;
  opacity: 0.65;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.eco-card h3 {
  margin: 0 0 0.25rem;
  font-size: 1.2rem;
}

.eco-card p {
  margin: 0;
  font-size: 0.92rem;
  opacity: 0.8;
}

.eco-detail {
  background: var(--bg-soft);
  border-radius: 12px;
  padding: 1.5rem 1.35rem;
  min-height: 120px;
}

.eco-detail h3 {
  margin: 0 0 0.65rem;
  font-size: 1.2rem;
}

.eco-detail p {
  margin: 0;
  color: var(--ink-soft);
}

/* ——— Products ——— */
.products {
  padding: 2rem 0 1rem;
}

.product-block {
  display: grid;
  gap: 0;
  margin-bottom: 1rem;
}

.product-copy {
  padding: 3rem 1.25rem;
  background: var(--bg-soft);
}

.product-copy .section-label {
  margin-bottom: 0.5rem;
}

.product-copy h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 800;
  line-height: 1.25;
}

.product-copy p {
  margin: 0 0 1.25rem;
  color: var(--ink-soft);
  max-width: 48ch;
}

.product-visual {
  min-height: 280px;
  background-size: cover;
  background-position: center;
}

.product-visual--1 {
  background-image: url("https://images.unsplash.com/photo-1460925895917-afdab827c52f?auto=format&fit=crop&w=1400&q=80");
}

.product-visual--2 {
  background-image: url("https://images.unsplash.com/photo-1550751827-4bd374c3f58b?auto=format&fit=crop&w=1400&q=80");
}

.product-visual--3 {
  background-image: url("https://images.unsplash.com/photo-1620712943543-bcc4688e7485?auto=format&fit=crop&w=1400&q=80");
}

.feature-pills {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.feature-pills li {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

/* ——— Scope ——— */
.scope {
  background: var(--bg-soft);
}

.scope-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.scope-item {
  background: #fff;
  border-radius: 12px;
  padding: 1.5rem 1.25rem;
  font-weight: 600;
  font-size: 1.05rem;
  border: 1px solid transparent;
  transition: border-color 0.25s, color 0.25s;
}

.scope-item:hover {
  border-color: #b8d4ff;
  color: var(--brand);
}

/* ——— Team ——— */
.team-featured {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.team-photo {
  aspect-ratio: 4 / 5;
  max-height: 420px;
  border-radius: 12px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  overflow: hidden;
}

.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.team-role {
  margin: 0 0 0.35rem;
  color: var(--brand);
  font-weight: 600;
  font-size: 0.95rem;
}

.team-bio h3 {
  margin: 0 0 1rem;
  font-size: 1.75rem;
}

.team-bio p:last-child {
  margin: 0;
  color: var(--ink-soft);
}

.team-extras {
  display: grid;
  gap: 1.25rem;
}

.team-extras article {
  background: var(--bg-soft);
  border-radius: 12px;
  padding: 1.5rem 1.35rem;
}

.team-extras h4 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
}

.team-extras p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

/* ——— Partners ——— */
.partner-logos {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.partner-logos span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 72px;
  background: var(--bg-soft);
  border-radius: 10px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.04em;
  transition: color 0.25s, background 0.25s;
}

.partner-logos span:hover {
  color: var(--brand);
  background: #eef5ff;
}

.subheading {
  margin: 0 0 1rem;
  font-size: 1.15rem;
}

.company-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.company-list li {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.98rem;
}

/* ——— Contact ——— */
.contact {
  background: var(--bg-soft);
}

.contact-inner {
  display: grid;
  gap: 2rem;
}

.contact-form {
  display: grid;
  gap: 1rem;
  background: #fff;
  border-radius: 14px;
  padding: 1.5rem;
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.contact-form input,
.contact-form textarea {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem 0.9rem;
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--brand);
}

.btn-primary {
  border: none;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  border-radius: 8px;
  padding: 0.9rem 1.25rem;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.btn-primary:hover {
  background: var(--brand-hover);
}

.btn-primary:active {
  transform: scale(0.98);
}

.form-note {
  margin: 0;
  color: var(--brand);
  font-size: 0.95rem;
}

/* ——— Footer ——— */
.site-footer {
  background: #0b1b33;
  color: rgba(255, 255, 255, 0.85);
  padding-top: 3.5rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  padding-bottom: 2.5rem;
}

.footer-brand .logo {
  margin-bottom: 0.75rem;
}

.footer-brand p {
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.92rem;
  max-width: 28ch;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer-col h4 {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
  color: #fff;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.92rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
}

.footer-bottom p {
  margin: 0;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
}

.footer-beian {
  margin-left: 0.6rem;
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
}

.footer-beian:hover {
  color: rgba(255, 255, 255, 0.75);
}

.lang-switch--footer .lang-btn {
  color: rgba(255, 255, 255, 0.45);
}

.lang-switch--footer .lang-btn.is-active {
  color: #e8c96a;
}

/* ——— Reveal on scroll ——— */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

/* ——— Desktop ——— */
@media (min-width: 768px) {
  .news-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .about-grid {
    grid-template-columns: 1.3fr 1fr;
    align-items: start;
  }

  .eco-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .product-block {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .product-block--reverse .product-copy {
    order: 2;
  }

  .product-block--reverse .product-visual {
    order: 1;
  }

  .product-copy {
    padding: 4rem 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .product-visual {
    min-height: 420px;
  }

  .scope-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .scope-item:last-child {
    grid-column: span 2;
  }

  .team-featured {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: center;
    gap: 3rem;
  }

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

  .partner-logos {
    grid-template-columns: repeat(3, 1fr);
  }

  .company-list {
    grid-template-columns: 1fr 1fr;
    gap: 0 2rem;
  }

  .contact-inner {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

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

@media (min-width: 960px) {
  .nav-desktop {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }

  .hero {
    padding: 1rem 1.5rem 2rem;
  }

  .hero-frame {
    height: min(82vh, 780px);
  }

  .section-title {
    max-width: 28ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
    scroll-snap-type: none;
  }

  .hero-media {
    animation: none;
    transform: none;
  }

  .scroll-cue-ring {
    animation: none;
  }

  .story-track {
    height: auto;
  }

  .story-panel {
    position: relative;
  }

  .story-media {
    transform: none;
  }

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