/* 无涯教育 Wuya Career — Premium Site Styles */
:root {
  --navy: #0a2550;
  --navy-mid: #0d3066;
  --navy-light: #1a4a94;
  --red: #c8342b;
  --red-hover: #a82a22;
  --gold: #e8b84a;
  --cream: #f7f8fb;
  --white: #ffffff;
  --ink: #121820;
  --muted: #5c6778;
  --muted-light: #8b95a5;
  --line: rgba(13, 48, 102, 0.1);
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 4px 24px rgba(10, 37, 80, 0.08);
  --shadow-lg: 0 24px 64px rgba(10, 37, 80, 0.14);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 24px); }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

.container { width: min(1120px, 88%); margin: 0 auto; }

/* ── Header ── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease), backdrop-filter 0.4s;
}
.header.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--line), var(--shadow);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo img { height: 44px; width: auto; }
/* 仅显示 logo 图片：深色背景显示白色 logo，滚动后白底显示彩色 logo */
.logo .logo-white { display: none; }
.logo .logo-color { display: block; }
.header:not(.scrolled) .logo .logo-white { display: block; }
.header:not(.scrolled) .logo .logo-color { display: none; }
.header:not(.scrolled) .nav-link { color: rgba(255,255,255,0.9); }
.header:not(.scrolled) .nav-link:hover { color: #fff; background: rgba(255,255,255,0.12); }
.header:not(.scrolled) .nav-link.active { background: rgba(255,255,255,0.18); color: #fff; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  font-size: 14.5px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--ink);
  transition: all 0.25s var(--ease);
}
.nav-link:hover { color: var(--navy); background: rgba(10,37,80,0.06); }
.nav-link.active { color: var(--white); background: var(--navy); }
.btn-cta {
  margin-left: 8px;
  padding: 10px 22px;
  background: var(--red);
  color: #fff !important;
  font-weight: 600;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(200,52,43,0.35);
  transition: transform 0.25s var(--ease), background 0.25s;
}
.btn-cta:hover { background: var(--red-hover); transform: translateY(-2px); }

.menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.menu-btn span {
  width: 22px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: 0.3s;
}
.header:not(.scrolled) .menu-btn span { background: #fff; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 999px;
  transition: all 0.3s var(--ease);
  border: none;
  cursor: pointer;
}
.btn-primary { background: var(--red); color: #fff; box-shadow: 0 12px 32px rgba(200,52,43,0.35); }
.btn-primary:hover { background: var(--red-hover); transform: translateY(-2px); }
.btn-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.45); }
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.btn-dark { background: var(--navy); color: #fff; box-shadow: 0 12px 32px rgba(10,37,80,0.25); }
.btn-dark:hover { background: var(--navy-mid); transform: translateY(-2px); }

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--header-h) + 48px) 0 80px;
  background: var(--navy);
  color: #fff;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 0%, rgba(200,52,43,0.35), transparent 55%),
    radial-gradient(ellipse 60% 50% at 0% 100%, rgba(26,74,148,0.5), transparent 50%),
    linear-gradient(160deg, #061833 0%, var(--navy) 45%, #123d7a 100%);
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image:
    linear-gradient(#fff 1px, transparent 1px),
    linear-gradient(90deg, #fff 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000, transparent);
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: float 12s ease-in-out infinite;
}
.hero-orb-1 { width: 400px; height: 400px; background: rgba(200,52,43,0.25); top: -100px; right: -80px; }
.hero-orb-2 { width: 300px; height: 300px; background: rgba(232,184,74,0.15); bottom: 10%; left: -60px; animation-delay: -4s; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -30px) scale(1.05); }
}
.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  margin-bottom: 28px;
  letter-spacing: 0.5px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }
.hero h1 {
  font-size: clamp(36px, 5.5vw, 58px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 24px;
}
.hero h1 em { font-style: normal; color: var(--gold); }
.hero-lead {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,0.78);
  max-width: 520px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 24px;
  padding: 32px;
  backdrop-filter: blur(12px);
}
.hero-card h3 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--gold);
  margin-bottom: 20px;
  text-transform: uppercase;
}
.hero-card li {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 14.5px;
  color: rgba(255,255,255,0.92);
}
.hero-card li:last-child { border-bottom: none; }
.hero-card .idx {
  flex-shrink: 0;
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 8px;
  background: rgba(255,255,255,0.12);
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
}

.hero-stats {
  position: relative;
  z-index: 2;
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item { text-align: center; }
.stat-num { font-size: 40px; font-weight: 800; color: #fff; line-height: 1; }
.stat-num sup { font-size: 18px; color: var(--gold); font-weight: 600; }
.stat-label { font-size: 13px; color: rgba(255,255,255,0.6); margin-top: 6px; }

/* ── Sections ── */
.section { padding: 100px 0; }
.section-white { background: var(--white); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.3px;
  line-height: 1.3;
}
.section-head p { color: var(--muted); font-size: 16px; margin-top: 16px; line-height: 1.75; }

/* ── About split ── */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split h2 { font-size: 32px; font-weight: 800; color: var(--navy); line-height: 1.35; margin-bottom: 20px; }
.split p { color: var(--muted); font-size: 15.5px; margin-bottom: 16px; line-height: 1.8; }
.quote-card {
  background: linear-gradient(145deg, var(--navy) 0%, #15407f 100%);
  border-radius: 24px;
  padding: 48px 40px;
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.quote-card img { height: 56px; width: auto; margin-bottom: 28px; opacity: 0.95; }
.quote-card blockquote { font-size: 17px; line-height: 1.85; color: rgba(255,255,255,0.92); font-style: normal; }
.quote-card cite { display: block; margin-top: 20px; font-size: 13px; color: var(--gold); letter-spacing: 2px; font-style: normal; }

/* ── EEP ── */
.eep-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.eep-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s;
}
.eep-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.eep-card::after {
  content: attr(data-letter);
  position: absolute;
  top: -20px; right: -10px;
  font-size: 120px;
  font-weight: 900;
  color: rgba(10,37,80,0.04);
  line-height: 1;
  pointer-events: none;
}
.eep-card .stage { font-size: 11px; font-weight: 700; letter-spacing: 2px; color: var(--red); margin-bottom: 8px; }
.eep-card h3 { font-size: 22px; font-weight: 800; color: var(--navy); margin-bottom: 12px; }
.eep-card p { font-size: 14.5px; color: var(--muted); line-height: 1.75; }
.eep-card .tag {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  color: var(--navy);
}
.eep-card .tag strong { color: var(--red); }

/* ── Category cards ── */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: all 0.35s var(--ease);
  position: relative;
  overflow: hidden;
}
.cat-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--navy), var(--red));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.cat-card:hover::before { transform: scaleX(1); }
.cat-card .phase { font-size: 11px; font-weight: 700; letter-spacing: 2px; color: var(--red); margin-bottom: 10px; }
.cat-card h3 { font-size: 21px; font-weight: 800; color: var(--navy); margin-bottom: 10px; }
.cat-card p { font-size: 14.5px; color: var(--muted); flex: 1; line-height: 1.7; }
.cat-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.tag {
  font-size: 12px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(10,37,80,0.06);
  color: var(--navy);
}
.cat-link { font-size: 14px; font-weight: 600; color: var(--navy); display: inline-flex; align-items: center; gap: 6px; margin-top: auto; }
.cat-link::after { content: "→"; transition: transform 0.25s; }
.cat-card:hover .cat-link::after { transform: translateX(4px); }

/* ── Program cards ── */
.prog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.prog-card {
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}
.prog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.prog-top {
  padding: 22px 24px 18px;
  background: linear-gradient(135deg, rgba(10,37,80,0.04), rgba(200,52,43,0.03));
  border-bottom: 1px solid var(--line);
}
.prog-loc {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--red);
  background: rgba(200,52,43,0.08);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.prog-top h3 { font-size: 17px; font-weight: 700; color: var(--navy); line-height: 1.45; }
.prog-top .sub { font-size: 12.5px; color: var(--muted-light); margin-top: 4px; }
.prog-body { padding: 18px 24px 22px; flex: 1; display: flex; flex-direction: column; }
.prog-meta { font-size: 13px; color: var(--muted); margin-bottom: 12px; display: grid; gap: 4px; }
.prog-meta b { color: var(--muted-light); font-weight: 500; }
.prog-points { font-size: 13.5px; color: var(--muted); flex: 1; }
.prog-points li { position: relative; padding-left: 14px; margin-bottom: 6px; line-height: 1.6; }
.prog-points li::before { content: ""; position: absolute; left: 0; top: 8px; width: 5px; height: 5px; border-radius: 50%; background: var(--red); }
.prog-foot {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.price { font-size: 22px; font-weight: 800; color: var(--red); }
.price small { font-size: 12px; font-weight: 400; color: var(--muted-light); }
.age-badge { font-size: 12px; padding: 4px 10px; border-radius: 999px; background: rgba(10,37,80,0.07); color: var(--navy); font-weight: 500; }

/* ── Feature grid ── */
.feat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feat-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 28px 24px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}
.feat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.feat-icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 14px;
  font-size: 22px;
  background: linear-gradient(135deg, rgba(10,37,80,0.08), rgba(200,52,43,0.08));
  margin-bottom: 16px;
}
.feat-card h3 { font-size: 17px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.feat-card p { font-size: 14px; color: var(--muted); line-height: 1.7; }

/* ── CTA ── */
.cta {
  background: linear-gradient(120deg, #061833, var(--navy) 50%, #123d7a);
  border-radius: 28px;
  padding: 56px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  color: #fff;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  top: -50%; right: -20%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(200,52,43,0.3), transparent 70%);
  pointer-events: none;
}
.cta h2 { font-size: 28px; font-weight: 800; margin-bottom: 10px; position: relative; }
.cta p { color: rgba(255,255,255,0.75); font-size: 15px; max-width: 520px; position: relative; }

/* ── Page hero (inner pages) ── */
.page-hero {
  padding: calc(var(--header-h) + 64px) 0 56px;
  background: var(--navy);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 100% 0%, rgba(200,52,43,0.25), transparent);
}
.page-hero .container { position: relative; z-index: 1; }
.crumbs { font-size: 13px; color: rgba(255,255,255,0.55); margin-bottom: 16px; }
.crumbs a:hover { color: #fff; }
.page-hero h1 { font-size: clamp(32px, 4vw, 44px); font-weight: 800; }
.page-hero p { margin-top: 14px; max-width: 640px; color: rgba(255,255,255,0.78); font-size: 16px; line-height: 1.75; }

/* ── Filter bar ── */
.filters {
  position: sticky;
  top: var(--header-h);
  z-index: 100;
  background: rgba(247,248,251,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}
.filter-row { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-btn {
  font-size: 14px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--muted);
  transition: all 0.25s;
}
.filter-btn:hover { border-color: var(--navy); color: var(--navy); }
.filter-btn.active { background: var(--navy); border-color: var(--navy); color: #fff; }
.filter-btn .n { opacity: 0.6; font-size: 12px; margin-left: 3px; }

/* ── Category section ── */
.cat-block { padding: 56px 0 8px; }
.cat-block-head { margin-bottom: 28px; }
.cat-block-head h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 12px;
}
.cat-block-head h2::before {
  content: "";
  width: 5px; height: 28px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--navy), var(--red));
}
.cat-block-head p { font-size: 14.5px; color: var(--muted); margin-top: 8px; max-width: 720px; }

/* ── Timeline ── */
.timeline { max-width: 720px; margin: 0 auto; padding-left: 32px; position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  left: 6px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--navy), var(--red));
}
.tl { position: relative; padding-bottom: 32px; }
.tl::before {
  content: "";
  position: absolute;
  left: -30px; top: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--red);
  box-shadow: 0 0 0 4px rgba(200,52,43,0.12);
}
.tl-year { font-size: 13px; font-weight: 800; color: var(--red); letter-spacing: 1px; }
.tl h4 { font-size: 17px; font-weight: 700; color: var(--navy); margin: 4px 0 6px; }
.tl p { font-size: 14.5px; color: var(--muted); line-height: 1.7; }

/* ── Contact ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.info-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 32px;
}
.info-card h3 { font-size: 20px; font-weight: 800; color: var(--navy); margin-bottom: 24px; }
.info-row {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14.5px;
}
.info-row:last-child { border-bottom: none; }
.info-row .k { flex-shrink: 0; width: 80px; color: var(--muted-light); }
.info-row .v { color: var(--ink); font-weight: 500; }
.info-row a { color: var(--navy); font-weight: 700; }
.info-row a:hover { color: var(--red); }
.map-box {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  flex-direction: column;
}
.map-visual {
  flex: 1;
  min-height: 240px;
  background:
    linear-gradient(135deg, rgba(10,37,80,0.92), rgba(10,37,80,0.85)),
    repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(255,255,255,0.03) 20px, rgba(255,255,255,0.03) 40px);
  display: grid;
  place-items: center;
  text-align: center;
  color: #fff;
  padding: 32px;
}
.map-visual .pin { font-size: 48px; margin-bottom: 12px; }
.map-visual h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.map-visual p { font-size: 14px; color: rgba(255,255,255,0.75); line-height: 1.7; }
.map-foot {
  padding: 16px 20px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}
.map-foot a { color: var(--navy); font-weight: 600; }

/* ── Footer ── */
.footer {
  background: #061833;
  color: rgba(255,255,255,0.65);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-grid img { height: 48px; margin-bottom: 16px; }
.footer-grid p { font-size: 13.5px; line-height: 1.85; }
.footer-grid h4 { color: #fff; font-size: 14px; font-weight: 700; letter-spacing: 1px; margin-bottom: 16px; }
.footer-grid ul { display: grid; gap: 10px; font-size: 14px; }
.footer-grid a:hover { color: #fff; }
.footer-grid a[href^="tel:"] { color: rgba(255,255,255,0.85); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 12.5px;
  color: rgba(255,255,255,0.4);
}

/* ── Animations ── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.show { opacity: 1; transform: none; }

/* ── START page ── */
.start-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--navy);
  color: #fff;
  text-align: center;
  padding: 40px 24px;
}
.start-page h1 { font-size: 32px; margin-bottom: 12px; }
.start-page p { color: rgba(255,255,255,0.75); margin-bottom: 28px; max-width: 480px; line-height: 1.7; }
.start-page .btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .hero-content, .split, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .cat-grid, .prog-grid, .eep-grid { grid-template-columns: repeat(2, 1fr); }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .announce span { display: none; }
  .menu-btn { display: flex; }
  .nav {
    display: none;
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    flex-direction: column;
    background: var(--white);
    padding: 16px 5%;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    align-items: stretch;
  }
  .nav.open { display: flex; }
  .nav-link { border-radius: 12px; }
  .btn-cta { margin-left: 0; text-align: center; }
  .hero { min-height: auto; padding-bottom: 48px; }
  .cat-grid, .prog-grid, .eep-grid, .feat-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
  .cta { padding: 40px 28px; }
  .header:not(.scrolled) .nav-link { color: var(--ink); }
  .header:not(.scrolled) .menu-btn span { background: var(--navy); }
}