/* ============================================================
   Avin Edu — Public Landing Page
   ============================================================ */
:root {
  --red: #C41E3A;
  --red-dark: #9E182F;
  --red-light: #FDE8EC;
  --blue: #1B3A6B;
  --blue-dark: #122A50;
  --blue-darker: #0B1B36;
  --ink: #16202E;
  --muted: #5C6675;
  --bg-soft: #F7F8FA;
  --border: #E5E8EE;
  --white: #fff;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, .06), 0 2px 8px rgba(16, 24, 40, .06);
  --shadow-md: 0 4px 12px rgba(16, 24, 40, .08), 0 12px 32px rgba(16, 24, 40, .10);
  --shadow-lg: 0 8px 24px rgba(16, 24, 40, .12), 0 24px 64px rgba(16, 24, 40, .14);
  --header-h: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--ink);
  background: var(--white);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; }

.ld-container {
  width: min(1140px, 92%);
  margin: 0 auto;
}

/* ============ Reveal on scroll ============
   Hidden state only applies when JS is available (html.js),
   so no-JS / reduced-motion users always see the content. */
html.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1);
  transition-delay: var(--reveal-delay, 0s);
}
html.js .reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============ Buttons ============ */
.ld-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-weight: 600;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  text-align: center;
  line-height: 1.2;
}
.ld-btn:active { transform: scale(.98); }
.ld-btn-red {
  background: linear-gradient(135deg, var(--red) 0%, #A31830 100%);
  color: #fff;
  box-shadow: 0 6px 20px rgba(196, 30, 58, .35);
}
.ld-btn-red:hover { background: linear-gradient(135deg, #D22647 0%, var(--red) 100%); box-shadow: 0 8px 26px rgba(196, 30, 58, .45); transform: translateY(-2px); }
.ld-btn-ghost {
  background: rgba(255, 255, 255, .06);
  border-color: rgba(255, 255, 255, .45);
  color: #fff;
  backdrop-filter: blur(4px);
}
.ld-btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .12); transform: translateY(-2px); }
.ld-btn-lg { padding: .95rem 2.1rem; font-size: 1.02rem; }
.ld-btn-sm { padding: .55rem 1.2rem; font-size: .88rem; }
.ld-btn-block { width: 100%; }
.ld-btn:disabled { opacity: .6; cursor: wait; transform: none; }

/* ============ Header ============ */
.ld-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 100;
  transition: background .3s ease, box-shadow .3s ease;
  background: transparent;
}
.ld-header.scrolled {
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(16, 24, 40, .08), 0 8px 24px rgba(16, 24, 40, .06);
}
.ld-header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.ld-brand { display: inline-flex; align-items: center; gap: .65rem; }
.ld-logo-mark {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  box-shadow: 0 4px 12px rgba(196, 30, 58, .35);
  overflow: hidden;
  flex-shrink: 0;
}
.ld-mark-a, .ld-mark-v {
  display: grid;
  place-items: center;
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}
.ld-mark-v { background: rgba(255,255,255,.14); }
.ld-logo-text {
  display: flex;
  flex-direction: column;
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: .12em;
  color: #fff;
  line-height: 1.1;
}
.ld-logo-text small {
  font-weight: 500;
  font-size: .62rem;
  letter-spacing: .06em;
  opacity: .75;
  text-transform: uppercase;
}
.ld-header.scrolled .ld-logo-text { color: var(--blue); }
.ld-brand-light .ld-logo-text { color: #fff; }

.ld-nav {
  display: flex;
  gap: 1.05rem;
  margin-left: auto;
}
.ld-nav a {
  font-size: .85rem;
  font-weight: 500;
  color: rgba(255, 255, 255, .82);
  position: relative;
  padding: .3rem 0;
  white-space: nowrap;
}
.ld-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--red);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.ld-nav a:hover::after { transform: scaleX(1); }
.ld-header.scrolled .ld-nav a { color: var(--ink); }
.ld-header.scrolled .ld-nav a:hover { color: var(--blue); }

.ld-header-actions { display: flex; align-items: center; gap: .8rem; }
.ld-lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .4);
  color: #fff;
  font-weight: 700;
  font-size: .78rem;
  padding: .4rem .7rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all .2s ease;
  font-family: inherit;
}
.ld-header.scrolled .ld-lang-toggle {
  background: #fff;
  border-color: var(--border);
  color: var(--muted);
}
.ld-lang-toggle .active { color: var(--red); }
.ld-header.scrolled .ld-lang-toggle .active { color: var(--red); }
.ld-lang-sep { opacity: .4; font-size: .7rem; }
.ld-lang-toggle:hover { border-color: var(--red); }

.ld-cta-header { display: inline-flex; }
.ld-burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
  margin-left: .2rem;
}
.ld-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  margin: 5px 0;
  border-radius: 2px;
  transition: background .2s ease;
}
.ld-header.scrolled .ld-burger span { background: var(--ink); }
.ld-mobile-nav {
  display: none;
  flex-direction: column;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: .6rem 4%;
  box-shadow: var(--shadow-md);
}
.ld-mobile-nav a {
  padding: .8rem .4rem;
  font-weight: 600;
  font-size: .95rem;
  color: var(--ink);
  border-bottom: 1px solid var(--border);
}
.ld-mobile-nav a:last-child { border-bottom: none; }
.ld-mobile-nav.open { display: flex; }
.ld-mobile-nav .ld-cta-m {
  margin-top: .6rem;
  padding: .8rem 1rem;
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  color: #fff; font-weight: 700; text-align: center;
  border-radius: 10px; border: none;
  box-shadow: 0 6px 16px rgba(196,30,58,.28);
}

/* ============ Hero ============ */
.ld-hero {
  position: relative;
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(196, 30, 58, .22) 0%, transparent 60%),
    radial-gradient(900px 600px at -10% 110%, rgba(59, 130, 246, .18) 0%, transparent 55%),
    linear-gradient(140deg, var(--blue) 0%, var(--blue-dark) 48%, var(--blue-darker) 100%);
  color: #fff;
  padding: calc(var(--header-h) + 72px) 0 150px;
  overflow: hidden;
}
.ld-hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .5;
  pointer-events: none;
  animation: float 9s ease-in-out infinite alternate;
}
.ld-hero-glow-1 { width: 420px; height: 420px; background: rgba(196, 30, 58, .35); top: -120px; right: -80px; }
.ld-hero-glow-2 { width: 380px; height: 380px; background: rgba(37, 99, 235, .35); bottom: -60px; left: -120px; animation-delay: -4s; }
@keyframes float {
  from { transform: translateY(0) scale(1); }
  to { transform: translateY(36px) scale(1.08); }
}
.ld-hero-inner { position: relative; max-width: 780px; margin: 0 auto; }
.ld-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .22);
  backdrop-filter: blur(6px);
  font-size: .82rem;
  font-weight: 600;
  padding: .45rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.6rem;
  letter-spacing: .02em;
}
.ld-hero-title {
  font-size: clamp(2.3rem, 5.4vw, 4rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.02em;
  margin: 0 0 1.4rem;
}
.ld-hero-accent {
  background: linear-gradient(92deg, #FF8FA3 0%, #FF5C7A 45%, #C41E3A 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.ld-hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  color: rgba(255, 255, 255, .82);
  max-width: 620px;
  margin: 0 0 2.2rem;
  line-height: 1.75;
}
.ld-hero-actions { display: flex; gap: .9rem; flex-wrap: wrap; }
.ld-hero-stats {
  display: flex;
  gap: 2.6rem;
  margin-top: 3.2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, .16);
  flex-wrap: wrap;
}
.ld-stat-num {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.1;
}
.ld-stat-plus { color: #FF8FA3; }
.ld-stat-label {
  font-size: .82rem;
  color: rgba(255, 255, 255, .65);
  margin-top: .2rem;
}
.ld-hero-wave {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 70px;
  line-height: 0;
}
.ld-hero-wave svg { width: 100%; height: 100%; }

/* ============ Sections ============ */
.ld-section { padding: 88px 0; }
.ld-section-gray { background: var(--bg-soft); }
.ld-section-dark {
  background:
    radial-gradient(800px 400px at 100% 0%, rgba(196, 30, 58, .16) 0%, transparent 55%),
    linear-gradient(150deg, var(--blue-dark) 0%, var(--blue-darker) 100%);
  color: #fff;
}
.ld-section-head { max-width: 640px; margin: 0 auto 3rem; text-align: center; }
.ld-section-kicker {
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .16em;
  color: var(--red);
  margin-bottom: .7rem;
}
.ld-kicker-light { color: #FF8FA3; }
.ld-section-title {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.25;
  margin: 0 0 .9rem;
}
.ld-title-light { color: #fff; }
.ld-section-sub {
  color: var(--muted);
  font-size: 1rem;
  margin: 0;
}
.ld-section-dark .ld-section-sub { color: rgba(255, 255, 255, .7); }

/* ============ Service cards ============ */
.ld-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.3rem;
}
.ld-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.7rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.ld-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.ld-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: #D6DBE4;
}
.ld-card:hover::before { transform: scaleX(1); }
.ld-card-flag { font-size: 2.4rem; line-height: 1; margin-bottom: 1rem; }
.ld-card-title { font-size: 1.12rem; font-weight: 700; margin: 0 0 .5rem; color: var(--blue); }
.ld-card-desc { font-size: .9rem; color: var(--muted); margin: 0; line-height: 1.65; }

/* ============ Features ============ */
.ld-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.3rem;
}
.ld-feature {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem;
  backdrop-filter: blur(4px);
  transition: transform .25s ease, background .25s ease, border-color .25s ease;
}
.ld-feature:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, .09);
  border-color: rgba(255, 255, 255, .24);
}
.ld-feature-icon {
  font-size: 1.9rem;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 16px;
  margin-bottom: 1.1rem;
}
.ld-feature h3 { font-size: 1.02rem; font-weight: 700; margin: 0 0 .55rem; color: #fff; }
.ld-feature p { font-size: .88rem; color: rgba(255, 255, 255, .7); margin: 0; line-height: 1.65; }

/* ============ Process steps ============ */
.ld-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.3rem;
  counter-reset: step;
}
.ld-step {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.7rem 1.4rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.ld-step:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.ld-step-num {
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--red) 0%, #E4607A 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: .9rem;
  letter-spacing: -.02em;
}
.ld-step h3 { font-size: 1.05rem; font-weight: 700; margin: 0 0 .5rem; color: var(--blue); }
.ld-step p { font-size: .88rem; color: var(--muted); margin: 0; line-height: 1.65; }
/* connector line on desktop */
@media (min-width: 900px) {
  .ld-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 34px;
    right: -13px;
    width: 26px;
    height: 2px;
    background: linear-gradient(90deg, var(--border), #C9CFDA);
    z-index: 1;
  }
}

/* ============ Contact ============ */
.ld-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 3rem;
  align-items: start;
}
.ld-contact-info .ld-section-kicker,
.ld-contact-info .ld-section-title,
.ld-contact-info .ld-section-sub { text-align: left; margin-left: 0; }
.ld-contact-info .ld-section-title { margin-bottom: .9rem; }
.ld-contact-info .ld-section-sub { margin-bottom: 1.8rem; }
.ld-contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .9rem;
}
.ld-contact-list li {
  display: flex;
  align-items: center;
  gap: .8rem;
  font-size: .96rem;
  font-weight: 500;
}
.ld-contact-list a:hover { color: var(--red); }
.ld-contact-ico {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 1.15rem;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.ld-form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  padding: 2rem 1.8rem;
}
.ld-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.ld-form .ld-field {
  margin-bottom: 1rem;
}
.ld-field-label {
  display: block;
  font-size: .84rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: .4rem;
}
.ld-form .ld-field > input,
.ld-form .ld-field > select,
.ld-form .ld-field > textarea {
  display: block;
  width: 100%;
  padding: .72rem .9rem;
  font-size: .93rem;
  font-family: inherit;
  color: var(--ink);
  background: var(--bg-soft);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
  appearance: none;
  -webkit-appearance: none;
}
.ld-form .ld-field > select {
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3e%3cpath d='M1 1l5 5 5-5' stroke='%235C6675' stroke-width='2' fill='none' stroke-linecap='round'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right .9rem center;
  padding-right: 2.2rem;
}
.ld-form .ld-field > textarea { resize: vertical; min-height: 96px; }
.ld-form input:focus, .ld-form select:focus, .ld-form textarea:focus {
  outline: none;
  border-color: var(--red);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(196, 30, 58, .1);
}
.ld-form input.invalid, .ld-form textarea.invalid {
  border-color: var(--red);
  background: var(--red-light);
}
.ld-form-note {
  font-size: .78rem;
  color: var(--muted);
  text-align: center;
  margin: .8rem 0 0;
}

/* ============ Footer ============ */
.ld-footer {
  background: var(--blue-darker);
  color: rgba(255, 255, 255, .78);
  padding-top: 64px;
}
.ld-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
}
.ld-footer-tagline { font-size: .88rem; line-height: 1.7; margin-top: 1rem; max-width: 320px; color: rgba(255,255,255,.55); }
.ld-footer-col { display: flex; flex-direction: column; gap: .55rem; }
.ld-footer-col h4 {
  color: #fff;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin: 0 0 .5rem;
}
.ld-footer-col a {
  font-size: .9rem;
  color: rgba(255, 255, 255, .66);
  transition: color .15s ease;
  width: fit-content;
}
.ld-footer-col a:hover { color: #fff; }
.ld-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 1.2rem 0;
  font-size: .8rem;
  color: rgba(255, 255, 255, .45);
}

/* ============ Toast ============ */
.ld-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--ink);
  color: #fff;
  font-size: .92rem;
  font-weight: 600;
  padding: .9rem 1.6rem;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease, transform .3s ease;
  z-index: 200;
  max-width: 90vw;
  text-align: center;
}
.ld-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.ld-toast.success { background: #14713D; }
.ld-toast.error { background: var(--red); }

/* ============ Responsive ============ */
@media (max-width: 1260px) {
  .ld-nav, .ld-cta-header { display: none; }
  .ld-burger { display: block; }
}
@media (max-width: 1000px) {
  .ld-cards { grid-template-columns: repeat(2, 1fr); }
  .ld-features { grid-template-columns: repeat(2, 1fr); }
  .ld-steps { grid-template-columns: repeat(2, 1fr); }
  .ld-step::after { display: none; }
}
@media (max-width: 860px) {
  .ld-contact-grid { grid-template-columns: 1fr; gap: 2.2rem; }
}
@media (max-width: 620px) {
  .ld-section { padding: 64px 0; }
  .ld-hero { padding-top: calc(var(--header-h) + 48px); padding-bottom: 120px; }
  .ld-cards { grid-template-columns: 1fr; }
  .ld-features { grid-template-columns: 1fr; }
  .ld-steps { grid-template-columns: 1fr; }
  .ld-hero-stats { gap: 1.6rem; }
  .ld-form-row { grid-template-columns: 1fr; gap: 0; }
  .ld-form { padding: 1.6rem 1.2rem; }
  .ld-footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .ld-logo-text { display: none; }
}

/* ============================================================
   Dark theme (Phase 6B) — override landing vars for dark mode.
   The hero/footer are already dark-themed, so they work as-is.
   ============================================================ */
[data-theme="dark"] {
  --red: #e84060;
  --red-dark: #f05673;
  --red-light: #2e1a1e;
  --blue: #6ba3e8;
  --blue-dark: #8cbcf2;
  --blue-darker: #0b1b36;
  --ink: #e8eaf0;
  --muted: #98a1b3;
  --bg-soft: #161922;
  --border: #2a2f40;
  --white: #10131b;
}
[data-theme="dark"] .ld-header.scrolled { background: rgba(16, 19, 27, .92); border-bottom-color: #2a2f40; }
[data-theme="dark"] .ld-header.scrolled .ld-brand,
[data-theme="dark"] .ld-header.scrolled .ld-logo-text,
[data-theme="dark"] .ld-header.scrolled .ld-nav a { color: #e8eaf0; }
[data-theme="dark"] .ld-mobile-nav { background: #161922; }
[data-theme="dark"] .ld-mobile-nav a { color: #e8eaf0; }
[data-theme="dark"] .ld-card,
[data-theme="dark"] .ld-step,
[data-theme="dark"] .ld-form,
[data-theme="dark"] .ld-contact-ico { background: #161922; }
[data-theme="dark"] .ld-card { border-color: #2a2f40; }
[data-theme="dark"] .ld-form input,
[data-theme="dark"] .ld-form select,
[data-theme="dark"] .ld-form textarea { background: #10131b; border-color: #2a2f40; color: #e8eaf0; }
[data-theme="dark"] .ld-toast { background: #e8eaf0; color: #0f1117; }

/* Dark mode: hero + dark CTA section + wave (Phase 6B fix — the
   --blue* var overrides made these render as bright blue) */
[data-theme="dark"] .ld-hero {
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(232, 64, 96, .18) 0%, transparent 60%),
    radial-gradient(900px 600px at -10% 110%, rgba(107, 163, 232, .10) 0%, transparent 55%),
    linear-gradient(140deg, #0d1322 0%, #101c33 48%, #0b1120 100%);
}
[data-theme="dark"] .ld-section-dark {
  background:
    radial-gradient(800px 400px at 100% 0%, rgba(232, 64, 96, .14) 0%, transparent 55%),
    linear-gradient(150deg, #101c33 0%, #0b1120 100%);
}
[data-theme="dark"] .ld-hero-wave svg path { fill: #10131b; }

/* ============================================================
   Language classes section
   ============================================================ */
.ld-lang-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: center;
}
.ld-lang-pill {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .45rem 1rem;
  font-weight: 600;
  font-size: .9rem;
  box-shadow: var(--shadow-sm);
  margin: .25rem;
  color: var(--ink);
}
.ld-lang-list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
}
.ld-lang-list li {
  display: flex;
  gap: .7rem;
  align-items: flex-start;
  padding: .55rem 0;
  border-bottom: 1px dashed var(--border);
  font-size: .95rem;
  color: var(--muted);
}
.ld-lang-list li:last-child { border-bottom: none; }
.ld-lang-ico { font-size: 1.15rem; line-height: 1.5; }
.ld-lang-photos {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 1rem;
  height: 560px;
}
.ld-lang-photos img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  transition: transform .3s ease;
}
.ld-lang-photos img:hover { transform: scale(1.02); }
.ld-lang-photos .p1 { grid-row: 1 / 3; }
@media (max-width: 900px) {
  .ld-lang-grid { grid-template-columns: 1fr; gap: 2rem; }
  .ld-lang-photos { height: auto; grid-template-rows: auto auto; }
  .ld-lang-photos .p1 { grid-row: auto; }
  .ld-lang-photos img { height: 230px; }
}


/* ============================================================
   PHASE 7 — Vietnamese "Trung tâm tư vấn du học" restyle
   (Summit / IvyCation inspired: topbar, trust stats, gold,
   team, testimonials, partner marquee, blog, floating CTAs)
   ============================================================ */
:root {
  --gold: #E8B04B;
  --gold-dark: #C8902E;
  --gold-light: #F7D99B;
  --cream: #FBF7F0;
  --topbar-h: 42px;
  --font-display: 'Playfair Display', Georgia, serif;
}

/* ---------- Top hotline bar (VN signature) ---------- */
.ld-topbar { background: var(--blue-darker); color: rgba(255,255,255,.85); font-size: .8rem; }
.ld-topbar-inner { display:flex; align-items:center; justify-content:space-between; height: var(--topbar-h); gap:1rem; }
.ld-topbar-left { display:flex; gap:1.4rem; align-items:center; }
.ld-topbar-item { display:inline-flex; gap:.35rem; white-space:nowrap; }
.ld-topbar-right { display:flex; align-items:center; gap:.8rem; }
.ld-topbar-hotline { font-weight:600; color:#fff; white-space:nowrap; }
.ld-topbar-hotline b { color: var(--gold); font-size:.94rem; letter-spacing:.02em; margin-left:.2rem; }
.ld-topbar-soc { width:27px; height:27px; border-radius:50%; display:grid; place-items:center; background: rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.2); font-weight:800; font-size:.82rem; color:#fff; transition: all .2s ease; }
.ld-topbar-soc:hover { background: var(--red); border-color: var(--red); transform: translateY(-1px); }
.ld-header.scrolled .ld-topbar { display:none; }

/* ---------- Hero: 2-col grid + proof card + trust row ---------- */
html { scroll-padding-top: calc(var(--header-h) + var(--topbar-h) + 8px); }
.ld-hero { padding: calc(var(--header-h) + var(--topbar-h) + 46px) 0 140px; }
.ld-hero-grid { display:grid; grid-template-columns: 1.25fr .85fr; gap: 2.6rem; align-items:center; position:relative; }
.ld-hero-copy { max-width: 680px; }
.ld-hero-trust { display:flex; gap:1.1rem; flex-wrap:wrap; margin-top:1.7rem; font-size:.84rem; font-weight:600; color: rgba(255,255,255,.82); }
.ld-hero-card { background: rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.16); border-radius:20px; backdrop-filter: blur(8px); padding:1.4rem; box-shadow: var(--shadow-lg); }
.ld-hc-head { display:flex; align-items:center; gap:.8rem; margin-bottom:1.1rem; }
.ld-hc-seal { width:46px; height:46px; border-radius:12px; background: linear-gradient(135deg, var(--red), var(--red-dark)); display:grid; place-items:center; font-weight:900; color:#fff; font-family: var(--font-display); }
.ld-hc-head b { color:#fff; font-size:.98rem; display:block; line-height:1.2; }
.ld-hc-head small { color: rgba(255,255,255,.55); font-size:.74rem; }
.ld-hc-grid { display:grid; grid-template-columns:1fr 1fr; gap:.85rem; }
.ld-hc-item { background: rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12); border-radius:12px; padding:.9rem .7rem; text-align:center; }
.ld-hc-item b { display:block; font-size:1.65rem; font-weight:900; color:#fff; line-height:1.1; }
.ld-hc-item b span { color: var(--gold); }
.ld-hc-item span:last-child { display:block; font-size:.72rem; color: rgba(255,255,255,.66); margin-top:.25rem; }
.ld-hc-foot { margin-top:1rem; font-size:.82rem; color: rgba(255,255,255,.75); text-align:center; border-top:1px solid rgba(255,255,255,.12); padding-top:.9rem; }

/* ---------- Trust stats bar (overlapping card) ---------- */
.ld-statsbar { padding: 0 0 30px; }
.ld-statsbar-inner { display:flex; justify-content:center; gap: 2.4rem; flex-wrap:wrap; background:#fff; box-shadow: var(--shadow-lg); border-radius:18px; padding: 28px 24px; margin-top:-64px; position:relative; z-index:5; border:1px solid var(--border); }
.ld-stat-block { text-align:center; min-width:132px; position:relative; }
.ld-stat-num { font-size:2.5rem; font-weight:900; color: var(--blue); letter-spacing:-.02em; line-height:1.05; }
.ld-stat-num .ld-stat-plus { color: var(--red); }
.ld-stat-label { font-size:.85rem; color: var(--muted); margin-top:.3rem; }

/* ---------- Destination card meta ---------- */
.ld-card-meta { display:flex; align-items:center; justify-content:space-between; gap:.6rem; margin-top:auto; padding-top:.9rem; border-top:1px dashed var(--border); font-size:.85rem; color:var(--muted); }
.ld-card-meta b { color: var(--blue); font-size:1.05rem; }
.ld-card-link { font-weight:700; color: var(--red); white-space:nowrap; }

/* ---------- Cream section + light feature cards ---------- */
.ld-section-cream { background: var(--cream); }
.ld-section-cream .ld-section-title { color: var(--blue); }
.ld-section-cream .ld-features { grid-template-columns: repeat(3,1fr); }
.ld-section-cream .ld-feature { background:#fff; border:1px solid var(--border); box-shadow: var(--shadow-sm); }
.ld-section-cream .ld-feature h3 { color: var(--blue); }
.ld-section-cream .ld-feature p { color: var(--muted); }
.ld-section-cream .ld-feature-icon { background: var(--red-light); border:1px solid #f5c9d2; }
.ld-section-cream .ld-feature:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); background:#fff; }

/* ---------- Gold scholarship band ---------- */
.ld-scholar { background: radial-gradient(700px 360px at 90% -10%, rgba(232,176,75,.18) 0%, transparent 55%), linear-gradient(135deg, #122A50 0%, #0B1B36 100%); color:#fff; padding: 74px 0; }
.ld-scholar-inner { display:grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items:center; }
.ld-scholar-kicker { font-size:.74rem; font-weight:800; letter-spacing:.16em; color: var(--gold); margin-bottom:.7rem; }
.ld-scholar-title { color:#fff; font-size: clamp(1.6rem,3vw,2.2rem); font-weight:800; margin:0 0 .9rem; }
.ld-scholar-copy p { color: rgba(255,255,255,.78); margin:0 0 1.6rem; line-height:1.7; }
.ld-btn-dark { background: var(--gold); color:#1a1400; border-color: var(--gold); box-shadow: 0 6px 20px rgba(232,176,75,.35); }
.ld-btn-dark:hover { background: var(--gold-light); box-shadow: 0 8px 26px rgba(232,176,75,.45); transform: translateY(-2px); }
.ld-scholar-grid { display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
.ld-scholar-item { background: rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.14); border-left:3px solid var(--gold); border-radius:12px; padding:1rem 1.1rem; }
.ld-scholar-item b { display:block; color:#fff; font-size:1rem; margin-bottom:.3rem; }
.ld-scholar-item span { font-size:.85rem; color: rgba(255,255,255,.68); line-height:1.5; }

/* ---------- Success stories ---------- */
.ld-stories { display:grid; grid-template-columns: repeat(3,1fr); gap:1.3rem; }
.ld-story { background: rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12); border-radius:16px; padding:1.7rem 1.5rem 1.4rem; margin:0; position:relative; transition: transform .25s ease, background .25s ease; }
.ld-story:hover { transform: translateY(-5px); background: rgba(255,255,255,.08); }
.ld-story::before { content:'\201C'; font-family: var(--font-display), serif; font-size:3.6rem; color: var(--gold); position:absolute; top:2px; left:12px; line-height:1; opacity:.9; }
.ld-story blockquote { font-size:.94rem; color: rgba(255,255,255,.86); line-height:1.7; margin:1.3rem 0 1.3rem; }
.ld-story figcaption { display:flex; align-items:center; gap:.8rem; }
.ld-story-av { width:46px; height:46px; border-radius:50%; background: linear-gradient(135deg, var(--red), #E4607A); display:grid; place-items:center; font-weight:800; color:#fff; flex-shrink:0; }
.ld-story figcaption b { color:#fff; display:block; font-size:.95rem; line-height:1.2; }
.ld-story figcaption small { color: rgba(255,255,255,.6); font-size:.8rem; }

/* ---------- Advisors (team) ---------- */
.ld-team-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(215px,1fr)); gap:1.3rem; }
.ld-teacher { background:#fff; border:1px solid var(--border); border-radius:16px; padding:1.6rem 1.3rem 1.4rem; text-align:center; box-shadow: var(--shadow-sm); transition: transform .25s ease, box-shadow .25s ease; position:relative; overflow:hidden; }
.ld-teacher::before { content:''; position:absolute; top:0;left:0;right:0; height:3px; background: linear-gradient(90deg, var(--red), var(--gold)); }
.ld-teacher:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.ld-teacher-av { width:74px; height:74px; border-radius:50%; margin:0 auto 1rem; display:grid; place-items:center; font-size:1.5rem; font-weight:800; color:#fff; background: linear-gradient(135deg, var(--blue) 0%, #33528B 100%); box-shadow: 0 6px 16px rgba(27,58,107,.3); }
.ld-teacher-name { font-size:1.08rem; font-weight:700; color: var(--blue); margin:0 0 .5rem; line-height:1.3; }
.ld-teacher-tag { display:inline-block; font-size:.78rem; font-weight:600; color: var(--red); background: var(--red-light); padding:.28rem .7rem; border-radius:999px; margin-bottom:.85rem; }
.ld-teacher-cred { font-size:.83rem; color: var(--muted); margin:0 0 .85rem; line-height:1.5; }
.ld-teacher-langs { display:flex; gap:.4rem; flex-wrap:wrap; justify-content:center; }
.ld-lang-pill-sm { font-size:.74rem; font-weight:600; color: var(--blue); background:#eef1f6; border:1px solid var(--border); padding:.22rem .6rem; border-radius:999px; }

/* ---------- Partner universities marquee ---------- */
.ld-partners { background: var(--bg-soft); padding: 38px 0 46px; border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.ld-partners-label { text-align:center; font-size:.72rem; letter-spacing:.2em; font-weight:800; color:var(--muted); margin-bottom:22px; }
.ld-marquee { position:relative; overflow:hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.ld-marquee-track { display:flex; gap: 2.6rem; width:max-content; animation: ld-marq 45s linear infinite; }
.ld-marquee:hover .ld-marquee-track { animation-play-state: paused; }
.ld-marquee-item { font-weight:700; color: var(--blue); font-size:1.05rem; white-space:nowrap; opacity:.72; }
@keyframes ld-marq { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Blog / Tin tức ---------- */
.ld-blog { display:grid; grid-template-columns: repeat(3,1fr); gap:1.3rem; }
.ld-blog-card { background:#fff; border:1px solid var(--border); border-radius:16px; padding:1.5rem; box-shadow:var(--shadow-sm); transition:transform .25s, box-shadow .25s; display:block; }
.ld-blog-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.ld-blog-tag { display:inline-block; font-size:.72rem; font-weight:700; letter-spacing:.03em; color:#fff; background: var(--red); padding:.28rem .6rem; border-radius:6px; margin-bottom:.85rem; }
.ld-blog-tag-2 { background: var(--gold); color:#1a1400; }
.ld-blog-tag-3 { background: var(--blue); }
.ld-blog-card h3 { font-size:1.05rem; font-weight:700; color: var(--blue); margin:0 0 .55rem; line-height:1.4; }
.ld-blog-card p { font-size:.88rem; color: var(--muted); margin:0 0 .85rem; line-height:1.6; }
.ld-blog-read { font-size:.85rem; font-weight:700; color: var(--red); }

/* ---------- Floating contact buttons ---------- */
.ld-floats { position:fixed; right:18px; bottom:18px; display:flex; flex-direction:column; gap:12px; z-index:150; }
.ld-float { width:52px; height:52px; border-radius:50%; display:grid; place-items:center; color:#fff; font-weight:800; font-size:1.35rem; box-shadow: var(--shadow-md); transition: transform .2s ease, box-shadow .2s ease, opacity .25s ease; border:none; cursor:pointer; }
.ld-float:hover { transform: translateY(-3px) scale(1.05); box-shadow: var(--shadow-lg); }
.ld-float-zalo { background:#25D366; }
.ld-float-fb { background:#1877F2; font-size:1.5rem; }
.ld-float-call { background: var(--red); }
.ld-float-top { background: var(--blue); opacity:0; transform: scale(.4) translateY(10px); pointer-events:none; transition: all .28s ease; }
.ld-float-top.show { opacity:1; transform:none; pointer-events:auto; }

/* ---------- Responsive (new) ---------- */
@media (max-width: 940px) {
  .ld-hero-grid { grid-template-columns:1fr; gap:2rem; }
  .ld-hero-card { max-width:520px; }
  .ld-scholar-inner { grid-template-columns:1fr; gap:2rem; }
  .ld-stories { grid-template-columns:1fr; }
  .ld-blog { grid-template-columns:1fr; }
  .ld-section-cream .ld-features { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 620px) {
  .ld-statsbar-inner { gap:1.2rem 1.6rem; padding:22px 16px; margin-top:-52px; }
  .ld-stat-block { min-width:104px; }
  .ld-stat-num { font-size:1.9rem; }
  .ld-topbar-inner { justify-content:center; }
  .ld-topbar-left { display:none; }
  .ld-hero { padding-bottom:120px; }
  .ld-floats { right:14px; bottom:14px; gap:10px; }
  .ld-float { width:48px; height:48px; }
}
@media (max-width: 480px) {
  .ld-section-cream .ld-features { grid-template-columns:1fr; }
}

/* ---------- Dark mode (new) ---------- */
[data-theme="dark"] .ld-section-cream { background:#0f1117; }
[data-theme="dark"] .ld-section-cream .ld-section-title { color:#e8eaf0; }
[data-theme="dark"] .ld-section-cream .ld-feature { background:#161922; border-color:#2a2f40; box-shadow:none; }
[data-theme="dark"] .ld-section-cream .ld-feature h3 { color:#e8eaf0; }
[data-theme="dark"] .ld-section-cream .ld-feature-icon { background:#2e1a1e; border-color:#3a2027; }
[data-theme="dark"] .ld-teacher, [data-theme="dark"] .ld-blog-card { background:#161922; border-color:#2a2f40; }
[data-theme="dark"] .ld-teacher-name, [data-theme="dark"] .ld-blog-card h3 { color:#e8eaf0; }
[data-theme="dark"] .ld-teacher-cred { color:#98a1b3; }
[data-theme="dark"] .ld-lang-pill-sm { background:#1e2231; color:#9fb6d8; border-color:#2a2f40; }
[data-theme="dark"] .ld-topbar { background:#0b1120; }
[data-theme="dark"] .ld-statsbar-inner { background:#161922; border-color:#2a2f40; }
[data-theme="dark"] .ld-stat-num { color:#e8eaf0; }
[data-theme="dark"] .ld-card-meta { border-color:#2a2f40; }
[data-theme="dark"] .ld-card-link { color:#FF8FA3; }
[data-theme="dark"] .ld-partners { background:#10131b; border-color:#2a2f40; }
[data-theme="dark"] .ld-partners-label { color:#98a1b3; }
[data-theme="dark"] .ld-marquee-item { color:#9fb6d8; }
[data-theme="dark"] .ld-scholar { background: radial-gradient(700px 360px at 90% -10%, rgba(232,176,75,.14) 0%, transparent 55%), linear-gradient(135deg,#0d1322 0%, #0b1120 100%); }
[data-theme="dark"] .ld-blog-tag-2 { color:#1a1400; }
[data-theme="dark"] .ld-teacher::before, [data-theme="dark"] .ld-card::before { background: linear-gradient(90deg, #e84060, #e8b04b); }


/* ============================================================
   PHASE 8 — Certificates & credentials section + lightbox
   ============================================================ */
.ld-section-certs {
  background: radial-gradient(1200px 420px at 50% -12%, rgba(232,176,75,.12), transparent 70%), var(--cream);
  border-top: 1px solid var(--border);
}
.ld-section-certs .ld-section-sub { color: var(--muted); }

.ld-cert-group { margin-top: 2.3rem; }
.ld-cert-group-head { display: flex; align-items: center; gap: .75rem; }
.ld-cert-group-ico {
  width: 40px; height: 40px; border-radius: 12px; flex: none;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  display: grid; place-items: center; font-size: 1.2rem;
  box-shadow: 0 6px 14px -6px rgba(200,144,46,.6);
}
.ld-cert-group-label {
  font-size: 1.2rem; font-weight: 800; color: var(--ink); letter-spacing: .01em;
  border-left: 3px solid var(--gold); padding-left: .7rem; line-height: 1.25;
}

.ld-certs-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 22px; margin-top: 1.4rem;
}
.ld-cert {
  background: var(--white); border: 1px solid var(--border); border-radius: 16px;
  overflow: hidden; cursor: zoom-in; display: flex; flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.ld-cert:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--gold-light); }
.ld-cert-img {
  position: relative; aspect-ratio: 4 / 3; overflow: hidden;
  background: linear-gradient(160deg, #F1ECDF, #E5DFCE);
  border-bottom: 1px solid var(--border);
}
.ld-cert-img img { width: 100%; height: 100%; object-fit: contain; padding: 12px; }
.ld-cert-ico {
  position: absolute; top: 10px; left: 10px; width: 34px; height: 34px; border-radius: 9px;
  background: rgba(255,255,255,.94); box-shadow: 0 2px 8px rgba(0,0,0,.14);
  display: grid; place-items: center; font-size: 1.05rem;
}
.ld-cert-pgs {
  position: absolute; bottom: 10px; right: 10px;
  background: rgba(11,27,54,.8); color: #fff; font-size: .68rem; font-weight: 600;
  padding: 3px 9px; border-radius: 20px; letter-spacing: .02em;
}
.ld-cert-body { padding: 15px 16px 17px; display: flex; flex-direction: column; flex: 1; }
.ld-cert-name {
  font-family: var(--font-display); font-size: 1.03rem; font-weight: 700;
  line-height: 1.28; margin: 0 0 8px; color: var(--ink);
}
.ld-cert-sub { font-size: .79rem; color: var(--muted); line-height: 1.45; margin: 0; }

.ld-certs-note {
  text-align: center; font-size: .8rem; color: var(--muted);
  margin: 1.7rem auto 0; max-width: 720px; line-height: 1.5;
}

/* ---------- Lightbox ---------- */
.ld-lb-overlay {
  position: fixed; inset: 0; background: rgba(8,10,16,.84); backdrop-filter: blur(4px);
  z-index: 9999; display: flex; align-items: center; justify-content: center; padding: 22px;
  opacity: 0; transition: opacity .25s ease; pointer-events: none;
}
.ld-lb-overlay.show { opacity: 1; pointer-events: auto; }
.ld-lb {
  background: var(--white); border-radius: 16px; max-width: 940px; width: 100%;
  max-height: 92vh; display: flex; flex-direction: column; overflow: hidden;
  box-shadow: var(--shadow-lg); transform: scale(.96); transition: transform .25s ease;
}
.ld-lb-overlay.show .ld-lb { transform: scale(1); }
.ld-lb-head { display: flex; align-items: center; gap: .8rem; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.ld-lb-title { font-family: var(--font-display); font-weight: 700; font-size: 1.06rem; color: var(--ink); line-height: 1.3; flex: 1; }
.ld-lb-close {
  width: 34px; height: 34px; border-radius: 9px; border: 1px solid var(--border);
  background: var(--bg-soft); cursor: pointer; font-size: 1.15rem; display: grid; place-items: center;
  color: var(--ink); transition: all .18s; flex: none; line-height: 1;
}
.ld-lb-close:hover { background: var(--red); color: #fff; border-color: var(--red); }
.ld-lb-body { position: relative; background: #0e1119; display: flex; align-items: center; justify-content: center; overflow: auto; padding: 10px; }
.ld-lb-img { max-width: 100%; max-height: calc(92vh - 140px); width: auto; height: auto; display: block; margin: 0 auto; box-shadow: 0 10px 44px rgba(0,0,0,.55); }
.ld-lb-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.ld-lb-pager { display: flex; align-items: center; gap: 10px; font-size: .82rem; color: var(--muted); font-weight: 600; }
.ld-lb-nav {
  width: 32px; height: 32px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg-soft); cursor: pointer; display: grid; place-items: center; color: var(--ink);
  font-size: 1rem; transition: all .18s; line-height: 1;
}
.ld-lb-nav:hover:not(:disabled) { background: var(--blue); color: #fff; border-color: var(--blue); }
.ld-lb-nav:disabled { opacity: .32; cursor: default; }
.ld-lb-download {
  display: inline-flex; align-items: center; gap: .4rem; background: var(--red); color: #fff;
  font-weight: 600; font-size: .85rem; padding: 9px 16px; border-radius: 10px; transition: background .2s;
}
.ld-lb-download:hover { background: var(--red-dark); }

/* ---------- Dark mode: certificates ---------- */
[data-theme="dark"] .ld-section-certs {
  background: radial-gradient(1200px 420px at 50% -12%, rgba(232,176,75,.08), transparent 70%), var(--bg-soft);
}
[data-theme="dark"] .ld-cert { background: #161922; border-color: #2a2f40; }
[data-theme="dark"] .ld-cert:hover { border-color: var(--gold-dark); }
[data-theme="dark"] .ld-cert-img { background: linear-gradient(160deg, #1a1e29, #12151d); border-bottom-color: #2a2f40; }
[data-theme="dark"] .ld-cert-ico { background: rgba(20,23,32,.9); }
[data-theme="dark"] .ld-cert-group-ico { box-shadow: 0 6px 14px -6px rgba(0,0,0,.6); }
[data-theme="dark"] .ld-lb { background: #161922; border-color: #2a2f40; }
[data-theme="dark"] .ld-lb-head { border-bottom-color: #2a2f40; }
[data-theme="dark"] .ld-lb-foot { border-top-color: #2a2f40; }
[data-theme="dark"] .ld-lb-close, [data-theme="dark"] .ld-lb-nav { background: #10131b; border-color: #2a2f40; }
[data-theme="dark"] .ld-lb-nav:hover:not(:disabled) { background: var(--gold-dark); border-color: var(--gold-dark); color: #0b1b36; }

/* ---------- Responsive: certificates ---------- */
@media (max-width: 640px) {
  .ld-section-certs { padding: 60px 0; }
  .ld-certs-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .ld-cert-body { padding: 12px 13px 14px; }
  .ld-cert-name { font-size: .94rem; }
  .ld-cert-sub { font-size: .72rem; }
  .ld-cert-group-label { font-size: 1.05rem; }
}
@media (max-width: 420px) {
  .ld-certs-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .ld-lb-overlay { padding: 0; }
  .ld-lb { max-height: 100vh; height: 100vh; border-radius: 0; }
  .ld-lb-img { max-height: calc(100vh - 140px); }
  .ld-lb-foot { justify-content: center; }
}

/* ---------- Gallery / moments (Phase 9) ---------- */
.ld-section-gallery { border-top: 1px solid var(--border); }
.ld-gal { columns: 3; column-gap: 22px; margin-top: 2.3rem; }
.ld-gal-item {
  break-inside: avoid; margin: 0 0 22px; position: relative;
  background: var(--white); border: 1px solid var(--border); border-radius: 16px;
  overflow: hidden; cursor: zoom-in; box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.ld-gal-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--gold-light); }
.ld-gal-item > img { width: 100%; display: block; }
.ld-gal-tag {
  position: absolute; top: 10px; left: 10px; z-index: 1;
  background: rgba(255,255,255,.94); border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,.14); color: var(--ink);
  font-size: .7rem; font-weight: 700; letter-spacing: .02em;
  padding: 4px 10px; border-radius: 20px; white-space: nowrap;
}
.ld-gal-item figcaption {
  padding: 11px 14px 12px; border-top: 1px solid var(--border);
}
.ld-gal-name { font-size: .88rem; font-weight: 650; color: var(--ink); line-height: 1.4; }

/* Dark mode: gallery */
[data-theme="dark"] .ld-gal-item { background: #161922; border-color: #2a2f40; }
[data-theme="dark"] .ld-gal-item:hover { border-color: var(--gold-dark); }
[data-theme="dark"] .ld-gal-tag { background: rgba(20,23,32,.92); border-color: #2a2f40; color: #e8eaf0; }
[data-theme="dark"] .ld-gal-item figcaption { border-top-color: #2a2f40; }

/* Responsive: gallery */
@media (max-width: 980px) { .ld-gal { columns: 2; } }
@media (max-width: 560px) {
  .ld-section-gallery { padding: 60px 0; }
  .ld-gal { columns: 1; }
}