/* ============================================================
   Yi-Xing International — style.css
   Palette, type, layout tokens
   ============================================================ */
:root {
  --navy-900: #081428;
  --navy-800: #0b1f3c;
  --navy-700: #0e2952;
  --blue-600: #0a66c2;
  --blue-500: #1177d6;
  --blue-400: #2e9bff;
  --sky-100: #eaf2fb;
  --bg: #ffffff;
  --bg-tint: #f4f7fb;
  --ink: #16233a;
  --ink-soft: #5b6b82;
  --line: #e4eaf2;
  --white: #ffffff;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 4px 14px rgba(11, 31, 60, .06);
  --shadow-md: 0 14px 40px rgba(11, 31, 60, .12);
  --container: 1200px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 100vw;
  overflow-x: hidden;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: 'Sora', system-ui, sans-serif;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -.01em;
}

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

.section { padding: 96px 0; }

/* ---------- shared type helpers ---------- */
.eyebrow {
  font-family: 'Sora', sans-serif;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 14px;
}
.eyebrow-light { color: var(--blue-400); }

.section-title {
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  color: var(--ink);
}
.section-title.on-dark { color: var(--white); }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-desc { color: var(--ink-soft); margin-top: 16px; font-size: 1.05rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: .95rem;
  padding: 13px 28px;
  border-radius: 40px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s, color .2s;
}
.btn-primary {
  background: var(--blue-600);
  color: #fff;
  box-shadow: 0 8px 22px rgba(10, 102, 194, .28);
}
.btn-primary:hover { background: var(--blue-500); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(10, 102, 194, .38); }
.btn-ghost { border-color: rgba(255, 255, 255, .55); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); transform: translateY(-2px); }
.btn-lg { padding: 16px 38px; font-size: 1.02rem; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s, border-color .3s;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); border-color: var(--line); }

.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 78px;
}
.brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-logo-link { display: flex; align-items: center; }
.brand-divider {
  width: 1px;
  height: 34px;
  background: var(--line);
  flex-shrink: 0;
}
.brand-logo {
  height: 46px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  object-position: left center;
  flex-shrink: 0;
}

.nav { margin-left: auto; }
.nav-list { display: flex; gap: 2px; }
.nav-list a {
  font-family: 'Sora', sans-serif;
  font-weight: 500;
  font-size: .88rem;
  color: var(--ink);
  padding: 8px 10px;
  border-radius: 8px;
  position: relative;
  transition: color .2s;
  white-space: nowrap;
}
.nav-list a::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 4px;
  height: 2px;
  background: var(--blue-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--ease);
}
.nav-list a:hover { color: var(--blue-600); }
.nav-list a:hover::after,
.nav-list a.active::after { transform: scaleX(1); }
.nav-list a.active { color: var(--blue-600); }

.lang-dropdown {
  position: relative;
}
.lang-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: .02em;
  color: var(--ink);
  background: var(--sky-100);
  border: 1px solid transparent;
  cursor: pointer;
  padding: 7px 10px;
  border-radius: 999px;
  white-space: nowrap;
  transition: background .2s, color .2s;
}
.lang-dropdown-toggle:hover { color: var(--blue-600); }
.lang-caret {
  transition: transform .2s var(--ease);
  flex-shrink: 0;
}
.lang-dropdown.open .lang-caret { transform: rotate(180deg); }

.region-flag {
  font-size: 1rem;
  line-height: 1;
}

.lang-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  padding: 6px;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s;
  z-index: 200;
}

.lang-dropdown.open .lang-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.lang-option {
  display: block;
  width: 100%;
  text-align: left;
  font-family: 'Sora', sans-serif;
  font-weight: 500;
  font-size: .9rem;
  color: var(--ink);
  background: none;
  border: none;
  cursor: pointer;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  transition: background .15s, color .15s;
}
.lang-option:hover { background: var(--sky-100); color: var(--blue-600); }
.lang-option.active { color: var(--blue-600); font-weight: 700; }

.region-option {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.lang-dropdown-menu li.lang-divider {
  border-top: 1px solid var(--line);
  margin-top: 6px;
  padding-top: 6px;
}
.lang-option-ext {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.lang-option-ext .ext-icon { opacity: .5; flex-shrink: 0; }
.lang-option-ext:hover .ext-icon { opacity: .9; }

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: 16px;
  border-left: 1px solid var(--line);
  flex-shrink: 0;
}
.phone-icon {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--sky-100);
  color: var(--blue-600);
  flex-shrink: 0;
}
.phone-text { display: flex; flex-direction: column; line-height: 1.2; }
.phone-text small { font-size: .72rem; color: var(--ink-soft); }
.phone-text strong { font-family: 'Sora', sans-serif; font-size: 1.02rem; color: var(--blue-600); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 26px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO SLIDER
   ============================================================ */
.hero {
  position: relative;
  height: 88vh;
  min-height: 560px;
  margin-top: 78px;
  overflow: hidden;
  background: var(--navy-900);
}
.slides { position: absolute; inset: 0; }
.slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.06);
  transition: opacity 1s var(--ease), transform 6s linear, visibility 1s;
}
.slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}
.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(6, 16, 34, .85) 0%, rgba(6, 16, 34, .55) 55%, rgba(6, 16, 34, .35) 100%);
}
.slide-content { position: relative; max-width: 720px; color: #fff; }
.slide-eyebrow {
  font-family: 'Sora', sans-serif;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-size: .82rem;
  font-weight: 600;
  color: var(--blue-400);
  margin-bottom: 18px;
  opacity: 0;
  transform: translateY(20px);
}
.slide-content h1 {
  font-size: clamp(2.1rem, 5vw, 3.8rem);
  line-height: 1.1;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(24px);
}
.slide-sub {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: rgba(255, 255, 255, .82);
  max-width: 560px;
  margin-bottom: 30px;
  opacity: 0;
  transform: translateY(24px);
}
.slide-actions { display: flex; gap: 14px; flex-wrap: wrap; opacity: 0; transform: translateY(24px); }

.slide.is-active .slide-eyebrow { animation: rise .7s var(--ease) .25s forwards; }
.slide.is-active .slide-content h1 { animation: rise .7s var(--ease) .4s forwards; }
.slide.is-active .slide-sub { animation: rise .7s var(--ease) .55s forwards; }
.slide.is-active .slide-actions { animation: rise .7s var(--ease) .7s forwards; }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .3);
  background: rgba(255, 255, 255, .08);
  color: #fff;
  display: grid; place-items: center;
  cursor: pointer;
  transition: background .2s, border-color .2s;
  backdrop-filter: blur(4px);
}
.slider-arrow:hover { background: var(--blue-600); border-color: var(--blue-600); }
.slider-arrow.prev { left: 26px; }
.slider-arrow.next { right: 26px; }

.slider-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  gap: 10px;
}
.slider-dots button {
  width: 28px; height: 4px;
  border-radius: 3px;
  border: none;
  background: rgba(255, 255, 255, .4);
  cursor: pointer;
  transition: background .3s, width .3s;
}
.slider-dots button.active { background: var(--blue-400); width: 44px; }

/* ============================================================
   ABOUT
   ============================================================ */
.about { background: var(--bg); }
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}
.about-media { position: relative; }
.about-media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  width: 100%;
  object-fit: cover;
}
.about-badge {
  position: absolute;
  right: -18px; bottom: -18px;
  background: var(--blue-600);
  color: #fff;
  padding: 22px 26px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 16px 34px rgba(10, 102, 194, .38);
}
.about-badge .num { font-family: 'Sora', sans-serif; font-size: 2.6rem; font-weight: 800; line-height: 1; }
.about-badge .lbl { font-size: .82rem; line-height: 1.25; font-weight: 500; }

.about-body .lead {
  font-size: 1.18rem;
  color: var(--ink);
  font-weight: 500;
  margin-bottom: 16px;
}
.about-body p { color: var(--ink-soft); margin-bottom: 18px; }

.about-points { margin: 22px 0 30px; display: grid; gap: 12px; }
.about-points li { display: flex; align-items: center; gap: 12px; font-weight: 500; color: var(--ink); }
.tick {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--sky-100);
  color: var(--blue-600);
  display: grid; place-items: center;
  font-size: .8rem;
  font-weight: 700;
  flex-shrink: 0;
}

.cert-label { font-size: .85rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 10px; }
.cert-badges { display: flex; flex-wrap: wrap; gap: 28px; margin-bottom: 40px; }
.cert-badge {
  width: 88px;
  height: 60px;
  display: grid;
  place-items: center;
}
.cert-badge img { max-width: 100%; max-height: 100%; object-fit: contain; }

/* ---------- stats ---------- */
.stats {
  margin-top: 84px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-tint);
}
.stat {
  padding: 38px 28px;
  text-align: center;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: none; }
.stat-label { display: block; font-size: .9rem; color: var(--ink-soft); margin-bottom: 10px; }
.stat-value {
  font-family: 'Sora', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--navy-800);
  line-height: 1;
}
.stat-suffix {
  font-family: 'Sora', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--blue-600);
  margin-left: 4px;
  vertical-align: baseline;
}

/* ============================================================
   SERVICES (dark)
   ============================================================ */
.services {
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(46, 155, 255, .16), transparent 60%),
    linear-gradient(180deg, var(--navy-800), var(--navy-900));
  color: #fff;
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.service-card {
  position: relative;
  overflow: hidden;
  background-color: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius);
  padding: 34px 30px;
  transition: transform .3s var(--ease), border-color .3s;
}
.service-card-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}
.service-card::before {
  content: '';
  position: absolute; inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(8, 15, 30, .88), rgba(8, 15, 30, .78));
  transition: background .3s;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(46, 155, 255, .5);
}
.service-card:hover::before {
  background: linear-gradient(180deg, rgba(10, 30, 60, .82), rgba(10, 60, 110, .55));
}
.service-icon,
.service-card h3,
.service-card p {
  position: relative;
  z-index: 2;
}
.service-icon {
  width: 60px; height: 60px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
  display: grid; place-items: center;
  color: #fff;
  margin-bottom: 22px;
  box-shadow: 0 10px 24px rgba(46, 155, 255, .3);
}
.service-card h3 { font-size: 1.2rem; margin-bottom: 10px; color: #fff; }
.service-card p { color: rgba(255, 255, 255, .68); font-size: .95rem; }

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band {
  position: relative;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding: 96px 0;
  text-align: center;
}
.cta-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8, 20, 44, .82), rgba(10, 102, 194, .55));
}
.cta-inner { position: relative; color: #fff; max-width: 760px; }
.cta-inner h2 { font-size: clamp(1.6rem, 3.4vw, 2.5rem); margin-bottom: 16px; }
.cta-inner p { color: rgba(255, 255, 255, .85); font-size: 1.1rem; margin-bottom: 30px; }

/* ============================================================
   NEWS
   ============================================================ */
.news { background: var(--bg-tint); }
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.news-thumb { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.news-card:hover .news-thumb img { transform: scale(1.06); }
.news-date {
  position: absolute;
  left: 16px; bottom: 16px;
  background: var(--blue-600);
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: .78rem;
  font-family: 'Sora', sans-serif;
  font-weight: 500;
  text-align: center;
  line-height: 1.1;
}
.news-date b { display: block; font-size: 1.35rem; font-weight: 800; }
.news-content { padding: 24px; }
.news-content h3 { font-size: 1.14rem; margin-bottom: 10px; line-height: 1.35; }
.news-content h3 a:hover { color: var(--blue-600); }
.news-content p { color: var(--ink-soft); font-size: .93rem; margin-bottom: 16px; }
.news-link { font-family: 'Sora', sans-serif; font-weight: 600; font-size: .9rem; color: var(--blue-600); display: inline-flex; gap: 6px; }
.news-link span { transition: transform .2s; }
.news-link:hover span { transform: translateX(4px); }

/* ============================================================
   PARTNERS
   ============================================================ */
.partners { background: var(--bg); }
.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.partner {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 26px;
  display: grid; place-items: center;
  transition: border-color .3s, box-shadow .3s, transform .3s;
  filter: grayscale(1);
  opacity: .75;
}
.partner:hover { filter: grayscale(0); opacity: 1; border-color: var(--blue-400); box-shadow: var(--shadow-sm); transform: translateY(-3px); }
.partner img { max-height: 60px; width: auto; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--navy-900); color: rgba(255, 255, 255, .72); margin-top: auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding: 72px 24px 48px;
}
.footer-brand-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 20px;
}
.footer-brand-group .brand-divider { background: rgba(255, 255, 255, .18); }
.footer-logo {
  height: 42px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  object-position: left center;
}
.footer-about p { font-size: .95rem; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col ul a { font-size: .93rem; transition: color .2s; }
.footer-col ul a:hover { color: var(--blue-400); }
.footer-contact ul { gap: 14px; }
.footer-contact li { display: flex; align-items: flex-start; gap: 12px; font-size: .93rem; }
.footer-contact svg { color: var(--blue-400); flex-shrink: 0; margin-top: 2px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .1); }
.footer-bottom .container { padding-top: 22px; padding-bottom: 22px; }
.footer-bottom p { font-size: .87rem; text-align: center; }

/* ---------- back to top ---------- */
.to-top {
  position: fixed;
  right: 26px; bottom: 26px;
  z-index: 90;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--blue-600);
  color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 10px 24px rgba(10, 102, 194, .4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity .3s, transform .3s, visibility .3s, background .2s;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--blue-500); }

/* ---------- reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1300px) {
  .nav {
    position: fixed;
    top: 78px; right: 0;
    width: min(320px, 82vw);
    height: calc(100vh - 78px);
    background: #fff;
    box-shadow: -8px 0 30px rgba(0, 0, 0, .12);
    transform: translateX(100%);
    transition: transform .35s var(--ease);
    margin-left: 0;
    padding: 24px;
    overflow-y: auto;
  }
  .nav.open { transform: translateX(0); }
  .nav-list { flex-direction: column; gap: 4px; }
  .nav-list a { display: block; padding: 14px 12px; border-radius: 8px; font-size: .95rem; white-space: normal; }
  .nav-list a::after { display: none; }
  .nav-list a:hover, .nav-list a.active { background: var(--sky-100); }
  .nav-toggle { display: flex; }
  .region-dropdown { margin-left: auto; }
  .header-phone { padding-left: 0; border-left: none; }
  .phone-text { display: none; }
  .header-inner { gap: 10px; }
  .brand-group { gap: 7px; }
  .brand-divider { height: 24px; }
  .brand-logo { height: 36px; max-width: 90px; }
}

@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-media { max-width: 560px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
  .cta-band { background-attachment: scroll; }
}

@media (max-width: 860px) {
  .brand-group { gap: 5px; }
  .brand-divider { height: 20px; }
  .brand-logo { height: 30px; max-width: 70px; }
  .lang-dropdown-toggle { padding: 6px 8px; font-size: .72rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 14px; }
  .header-inner { gap: 4px; }
  .header-phone { display: none; }
  .brand-divider { display: none; }
  .brand-group { gap: 4px; }
  .brand-logo { height: 22px; max-width: 46px; }
  .lang-dropdown-toggle { padding: 4px 6px; gap: 2px; font-size: .68rem; }
  .lang-caret { width: 9px; height: 9px; }
}

@media (max-width: 620px) {
  .section { padding: 68px 0; }
  .service-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .slider-arrow { display: none; }
  .about-badge { right: 12px; bottom: -14px; padding: 16px 18px; }
  .about-badge .num { font-size: 2rem; }
  .hero { height: 82vh; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto; }
  .slide { transform: none; }
}