/* ──────────────────────────────────────────────────────────────
 * MentorPro — Portfolio styling
 * ────────────────────────────────────────────────────────────── */

:root {
  --bg: #0b1020;
  --bg-2: #0f1530;
  --surface: #ffffff;
  --surface-2: #f6f8fc;
  --border: #e3e7f0;
  --text: #0d1226;
  --text-soft: #475068;
  --muted: #7b86a3;
  --brand: #6366f1;
  --brand-2: #22d3ee;
  --brand-3: #f472b6;
  --accent: #facc15;
  --success: #10b981;
  --gradient: linear-gradient(135deg, #6366f1 0%, #22d3ee 60%, #f472b6 100%);
  --shadow-sm: 0 1px 2px rgba(13, 18, 38, 0.06), 0 1px 4px rgba(13, 18, 38, 0.04);
  --shadow-md: 0 8px 24px -8px rgba(13, 18, 38, 0.18);
  --shadow-lg: 0 20px 60px -20px rgba(99, 102, 241, 0.35);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --max-w: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--surface-2);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
}

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

/* ─── Hero ─── */
.hero {
  position: relative;
  color: #fff;
  background: var(--bg);
  overflow: hidden;
  padding-bottom: 40px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 60% at 80% 0%, rgba(244, 114, 182, 0.35), transparent 60%),
    radial-gradient(50% 50% at 0% 30%, rgba(34, 211, 238, 0.32), transparent 60%),
    radial-gradient(40% 40% at 50% 100%, rgba(99, 102, 241, 0.40), transparent 60%),
    linear-gradient(180deg, #0b1020, #0f1530 65%, #131a3a);
  pointer-events: none;
}

.topbar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  font-family: "Plus Jakarta Sans", "Inter", sans-serif;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.brand-logo {
  display: block;
  height: 56px;
  width: auto;
  background: #fff;
  padding: 6px 14px;
  border-radius: 14px;
  box-shadow:
    0 8px 24px -10px rgba(99, 102, 241, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.08);
}

.cta-mini {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  backdrop-filter: blur(8px);
  transition: background 0.2s, transform 0.2s;
}

.cta-mini:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-1px);
}

.hero-content {
  position: relative;
  padding: 60px 0 30px;
  max-width: 820px;
}

.eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #cdd6f4;
  margin-bottom: 18px;
}

.hero h1 {
  font-family: "Plus Jakarta Sans", "Inter", sans-serif;
  font-size: clamp(36px, 5.4vw, 64px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  background: linear-gradient(180deg, #fff 0%, #c9d4ff 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline {
  font-size: clamp(16px, 1.6vw, 19px);
  color: #cfd6ee;
  max-width: 680px;
  margin: 0 0 36px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.hero-stats--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 720px;
}

.stat {
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

.stat-num {
  display: block;
  font-family: "Plus Jakarta Sans", "Inter", sans-serif;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, #fff, #c4f3ff 50%, #fbcfe8);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}

.stat-label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: #b8c1de;
}

.hero-note {
  margin: 18px 0 0;
  font-size: 13px;
  color: #93a1c6;
  font-style: italic;
}

.hero-note strong {
  color: #cfd6ee;
  font-style: normal;
  font-weight: 600;
}

@media (max-width: 720px) {
  .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ─── Hero banner (full-width image right after hero) ─── */
.hero-banner {
  background: linear-gradient(180deg, #0f1530 0%, #131a3a 100%);
  padding: 0 0 32px;
  position: relative;
  z-index: 3;
}

.hero-banner .container {
  display: flex;
  justify-content: center;
}

.hero-banner-link {
  display: block;
  width: 100%;
  max-width: 1100px;
  border-radius: 22px;
  overflow: hidden;
  box-shadow:
    0 24px 60px -20px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-bottom: none !important;
}

.hero-banner-link:hover {
  transform: translateY(-3px);
  box-shadow:
    0 30px 70px -22px rgba(0, 0, 0, 0.65),
    0 0 0 1px rgba(99, 102, 241, 0.4);
  border-bottom: none !important;
}

.hero-banner-link img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
  border: none;
  box-shadow: none;
  border-radius: 0;
}

@media (max-width: 720px) {
  .hero-banner { padding-bottom: 24px; }
  .hero-banner-link { border-radius: 16px; }
}

/* ─── Companies marquee (between hero and tabs) ─── */
.companies-strip {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 28px 0 32px;
  position: relative;
  z-index: 3;
  overflow: hidden;
}

.companies-label {
  text-align: center;
  margin: 0 0 22px;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

.marquee-viewport {
  overflow: hidden;
  width: 100%;
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0,
    #000 8%,
    #000 92%,
    transparent 100%
  );
  mask-image: linear-gradient(
    to right,
    transparent 0,
    #000 8%,
    #000 92%,
    transparent 100%
  );
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 56px;
  width: max-content;
  animation: marqueeScroll 40s linear infinite;
}

.marquee-viewport:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  transition: opacity 0.25s ease, filter 0.25s ease;
  opacity: 0.78;
  filter: saturate(0.95);
}

.marquee-item:hover {
  opacity: 1;
  filter: saturate(1.05);
}

.marquee-item img {
  display: block;
  height: 100%;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  margin: 0;
  border: none;
  box-shadow: none;
  border-radius: 0;
}

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@media (max-width: 720px) {
  .marquee-track { gap: 40px; animation-duration: 32s; }
  .marquee-item { height: 36px; }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* ─── Main / Tabs ─── */
.main {
  margin-top: 40px;
  padding-bottom: 80px;
  position: relative;
  z-index: 2;
}

.tabs {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.tab-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px;
  padding: 12px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

@media (max-width: 720px) {
  .tab-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.tab-btn {
  appearance: none;
  border: none;
  cursor: pointer;
  font: inherit;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 14px;
  background: transparent;
  color: var(--text-soft);
  font-weight: 600;
  text-align: left;
  transition: background 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.tab-btn:hover {
  background: rgba(99, 102, 241, 0.08);
  color: var(--text);
}

.tab-btn.is-active {
  background: #fff;
  color: var(--text);
  box-shadow: var(--shadow-md);
}

.tab-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background: var(--gradient);
  color: #0b1020;
  font-weight: 800;
  font-size: 13px;
  flex: 0 0 30px;
}

.tab-name {
  font-size: 14.5px;
  line-height: 1.2;
}

.tab-content {
  padding: 40px clamp(20px, 4vw, 56px) 56px;
}

.tab-panel {
  display: none;
  animation: fadeIn 0.35s ease both;
}

.tab-panel.is-active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Typography inside tabs ─── */
.tab-panel h1,
.tab-panel h2,
.tab-panel h3,
.tab-panel h4 {
  font-family: "Plus Jakarta Sans", "Inter", sans-serif;
  letter-spacing: -0.01em;
  color: var(--text);
}

.tab-panel h1 {
  display: none; /* Tab title is shown by nav already */
}

.tab-panel h2 {
  font-size: 26px;
  margin: 36px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.tab-panel h3 {
  font-size: 20px;
  margin: 28px 0 12px;
}

.tab-panel h4 {
  font-size: 17px;
  margin: 22px 0 10px;
  color: var(--text-soft);
}

.tab-panel p {
  color: var(--text-soft);
  margin: 0 0 14px;
}

.tab-panel a {
  color: var(--brand);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px dashed rgba(99, 102, 241, 0.4);
}

.tab-panel a:hover {
  color: #4338ca;
  border-bottom-style: solid;
}

.tab-panel ul,
.tab-panel ol {
  padding-left: 22px;
  color: var(--text-soft);
}

.tab-panel li {
  margin: 6px 0;
}

.tab-panel code {
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, Monaco, monospace;
  font-size: 0.88em;
  padding: 2px 6px;
  border-radius: 6px;
  background: #eef1f8;
  color: #3b3f55;
}

.tab-panel pre {
  background: #0f1530;
  color: #e9ecf8;
  border-radius: var(--radius-md);
  padding: 18px 20px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.55;
  box-shadow: var(--shadow-md);
}

.tab-panel pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

.tab-panel blockquote {
  margin: 18px 0;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(34, 211, 238, 0.08));
  border-left: 4px solid var(--brand);
  color: var(--text);
  font-style: normal;
}

.tab-panel blockquote p {
  margin: 0 0 6px;
  color: var(--text);
}

.tab-panel blockquote p:last-child {
  margin-bottom: 0;
}

.tab-panel hr {
  border: none;
  border-top: 1px dashed var(--border);
  margin: 32px 0;
}

.tab-panel img {
  display: block;
  width: 100%;
  max-width: 720px;
  margin: 24px auto 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.tab-panel .lo-trinh-banner,
.tab-panel img.lo-trinh-banner {
  max-width: 520px;
  margin: 28px auto;
}

/* ─── Story accordion cards ─── */
.story-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin: 14px 0;
  overflow: hidden;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.story-card:hover {
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: var(--shadow-md);
}

.story-card[open] {
  border-color: rgba(99, 102, 241, 0.45);
  box-shadow: var(--shadow-lg);
}

.story-card > summary.story-summary {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 20px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  position: relative;
}

.story-card > summary.story-summary::-webkit-details-marker {
  display: none;
}

.story-card > summary.story-summary:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: -2px;
}

.story-thumb {
  flex: 0 0 130px;
  width: 130px !important;
  max-width: 130px !important;
  height: 76px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin: 0 !important;
  box-shadow: none !important;
}

.story-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.story-num {
  display: inline-block;
  font-family: "Plus Jakarta Sans", "Inter", sans-serif;
  font-size: 12px;
  font-weight: 800;
  color: var(--brand);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.story-title {
  display: block;
  font-family: "Plus Jakarta Sans", "Inter", sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.story-tagline {
  display: block;
  font-size: 13.5px;
  color: var(--text-soft);
  line-height: 1.4;
}

.story-arrow {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--brand);
  font-size: 14px;
  font-weight: 800;
  transition: transform 0.25s ease, background 0.25s ease;
}

.story-card[open] .story-arrow {
  transform: rotate(180deg);
  background: var(--brand);
  color: #fff;
}

/* Body of the open story */
.story-card[open] > *:not(summary) {
  animation: storyOpen 0.28s ease both;
}

.story-card > *:not(summary):first-of-type {
  margin-top: 4px;
}

.story-card > blockquote,
.story-card > p,
.story-card > ul,
.story-card > ol,
.story-card > h3,
.story-card > h4,
.story-card > hr {
  margin-left: 24px;
  margin-right: 24px;
}

.story-card > h3 {
  font-size: 20px;
  line-height: 1.35;
  margin-top: 20px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.story-card > p > strong:only-child {
  display: inline-block;
  margin-top: 6px;
}

.story-card > hr {
  margin-top: 26px;
  margin-bottom: 18px;
}

.story-card > blockquote:first-of-type {
  margin-top: 8px;
}

.story-card > *:last-child {
  margin-bottom: 22px;
}

.story-card .lo-trinh-banner {
  margin: 18px auto;
}

.story-card img:not(.story-thumb) {
  display: none;
}

@keyframes storyOpen {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 600px) {
  .story-card > summary.story-summary {
    gap: 14px;
    padding: 12px 16px;
  }
  .story-thumb {
    flex: 0 0 88px;
    width: 88px !important;
    max-width: 88px !important;
    height: 52px;
  }
  .story-title {
    font-size: 15px;
  }
  .story-tagline {
    font-size: 12.5px;
  }
  .story-card > blockquote,
  .story-card > p,
  .story-card > ul,
  .story-card > ol {
    margin-left: 18px;
    margin-right: 18px;
  }
}

/* ─── Partner card (Engineer Pro) ─── */
.partner-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 22px 24px;
  margin: 24px 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.06), rgba(34, 211, 238, 0.06));
  border: 1px solid var(--border);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.partner-card:hover {
  transform: translateY(-3px);
  border-color: rgba(99, 102, 241, 0.45);
  box-shadow: var(--shadow-md);
}

.stretched-link::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
}

.partner-card .partner-cta {
  text-decoration: none;
  border-bottom: none;
}

.partner-card .partner-cta:hover {
  text-decoration: underline;
  border-bottom: none;
}

.partner-card .partner-logo {
  flex: 0 0 110px;
  width: 110px;
  height: 110px;
  max-width: 110px;
  margin: 0;
  padding: 10px;
  background: #fff;
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  object-fit: contain;
}

.partner-card .partner-text {
  flex: 1;
}

.partner-card .partner-text h4 {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--text);
}

.partner-card .partner-text p {
  margin: 0 0 10px;
  color: var(--text-soft);
  font-size: 15px;
}

.partner-card .partner-cta {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
  letter-spacing: 0.01em;
}

@media (max-width: 600px) {
  .partner-card {
    flex-direction: column;
    text-align: center;
  }
}

/* ─── Mentor cards ─── */
.mentor-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  margin: 28px 0 8px;
}

@media (max-width: 1024px) {
  .mentor-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .mentor-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .mentor-grid {
    grid-template-columns: 1fr;
  }
}

.mentor-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 26px 18px 22px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.mentor-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(99, 102, 241, 0.45);
}

.mentor-card .mentor-avatar {
  width: 116px;
  height: 116px;
  max-width: none;
  margin: 0 0 16px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #fff;
  box-shadow:
    0 0 0 3px rgba(99, 102, 241, 0.35),
    var(--shadow-md);
}

.mentor-card .mentor-name {
  margin: 0 0 6px;
  font-family: "Plus Jakarta Sans", "Inter", sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.01em;
}

.mentor-card .mentor-role {
  margin: 0 0 18px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-soft);
  padding: 6px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.10), rgba(34, 211, 238, 0.10));
  border: 1px solid rgba(99, 102, 241, 0.18);
}

.mentor-card .mentor-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--bg);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: none;
  transition: background 0.2s, transform 0.2s;
}

.mentor-card .mentor-link:hover {
  background: var(--brand);
  color: #fff;
  transform: translateY(-1px);
  border-bottom: none;
}

.mentor-card .mentor-link--disabled {
  background: transparent;
  color: var(--muted);
  border: 1px dashed var(--border);
  font-style: italic;
  font-weight: 500;
  cursor: not-allowed;
  padding: 9px 18px;
}

.mentor-card--anon .mentor-avatar {
  box-shadow:
    0 0 0 3px rgba(11, 16, 32, 0.45),
    var(--shadow-md);
}

.mentor-card--anon .mentor-role {
  background: linear-gradient(135deg, rgba(11, 16, 32, 0.08), rgba(99, 102, 241, 0.14));
  border-color: rgba(11, 16, 32, 0.18);
  color: var(--text);
}

/* ─── Tables ─── */
.tab-panel table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 14.5px;
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.tab-panel thead th {
  background: var(--bg);
  color: #fff;
  text-align: left;
  font-weight: 600;
  padding: 12px 14px;
  font-size: 13.5px;
  letter-spacing: 0.01em;
}

.tab-panel tbody td {
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  color: var(--text-soft);
}

.tab-panel tbody tr:nth-child(even) td {
  background: #fafbfe;
}

.tab-panel tbody tr:hover td {
  background: rgba(99, 102, 241, 0.05);
  color: var(--text);
}

/* ─── Contact cards (Tab 4) ─── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 28px 0 18px;
}

@media (max-width: 720px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 24px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  border-bottom: none !important;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.contact-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-bottom: none !important;
}

.contact-card--fb:hover {
  border-color: rgba(0, 132, 255, 0.5);
}

.contact-card--zalo:hover {
  border-color: rgba(0, 104, 255, 0.5);
}

.contact-icon {
  flex: 0 0 76px;
  width: 76px;
  height: 76px;
}

.contact-icon svg {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  box-shadow: var(--shadow-md);
}

.contact-text {
  flex: 1;
  min-width: 0;
}

.contact-text h3 {
  margin: 0 0 4px;
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
}

.contact-text p {
  margin: 0 0 8px;
  color: var(--text-soft);
  font-size: 14.5px;
  line-height: 1.4;
}

.contact-cta {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
  letter-spacing: 0.01em;
}

/* ─── Footer ─── */
.footer {
  background: var(--bg);
  color: #c8cfeb;
  padding: 36px 0 24px;
}

.partnership-strip {
  text-align: center;
  padding: 0 24px 40px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
  margin-bottom: 32px;
}

.partnership-badge {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  padding: 18px 36px;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 14px 40px -10px rgba(99, 102, 241, 0.55);
}

.partnership-badge a {
  display: inline-flex;
  border-radius: 14px;
  transition: transform 0.2s ease;
}

.partnership-badge a:hover {
  transform: translateY(-3px) scale(1.03);
}

.partnership-badge .partnership-logo {
  display: block;
  height: 96px;
  width: 96px;
  object-fit: contain;
}

.partnership-badge .partnership-x {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-weight: 800;
  color: var(--text-soft);
  font-size: 36px;
  opacity: 0.55;
}

.partnership-text {
  margin: 18px 0 0;
  font-size: 16px;
  color: #cfd6ee;
  letter-spacing: 0.02em;
  font-weight: 600;
}

@media (max-width: 520px) {
  .partnership-badge {
    gap: 18px;
    padding: 14px 22px;
  }
  .partnership-badge .partnership-logo {
    height: 72px;
    width: 72px;
  }
  .partnership-badge .partnership-x {
    font-size: 28px;
  }
  .partnership-text {
    font-size: 14px;
  }
}

.footer-bottom {
  text-align: center;
}

.footer-tagline {
  margin: 0 0 14px;
  color: #c8cfeb;
  font-size: 14.5px;
}

.footer-channels {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  font-size: 14px;
  margin-bottom: 18px;
}

.footer-channels a {
  color: #c8cfeb;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-channels a:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.06);
}

.footer-dot {
  color: #6b769a;
}

.muted {
  color: var(--muted);
}

.copyright {
  text-align: center;
  font-size: 13px;
  color: #6b769a;
  margin: 0;
}

/* ─── Selection ─── */
::selection {
  background: rgba(99, 102, 241, 0.3);
  color: #fff;
}

/* ─── A11y utility: visually hidden but still accessible to AT / SEO ── */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* ─── Floating Contact Dock ─── */
.fab-dock {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.fab {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  text-decoration: none;
  border-bottom: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.fab--messenger {
  box-shadow:
    0 12px 28px -6px rgba(0, 132, 255, 0.55),
    0 4px 10px rgba(11, 16, 32, 0.18);
}

.fab--zalo {
  box-shadow:
    0 12px 28px -6px rgba(0, 104, 255, 0.55),
    0 4px 10px rgba(11, 16, 32, 0.18);
}

.fab::before {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  z-index: -1;
  animation: fabPulse 2.4s ease-out infinite;
}

.fab--messenger::before {
  background: rgba(0, 132, 255, 0.35);
}

.fab--zalo::before {
  background: rgba(0, 104, 255, 0.35);
  animation-delay: 1.2s;
}

@keyframes fabPulse {
  0% {
    transform: scale(0.85);
    opacity: 0.7;
  }
  80%, 100% {
    transform: scale(1.35);
    opacity: 0;
  }
}

.fab:hover {
  transform: translateY(-3px) scale(1.04);
  border-bottom: none;
}

.fab--messenger:hover {
  box-shadow:
    0 18px 36px -8px rgba(0, 132, 255, 0.65),
    0 6px 14px rgba(11, 16, 32, 0.22);
}

.fab--zalo:hover {
  box-shadow:
    0 18px 36px -8px rgba(0, 104, 255, 0.65),
    0 6px 14px rgba(11, 16, 32, 0.22);
}

.fab-icon {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 50%;
}

.fab-tooltip {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: var(--bg);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 999px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: 0 8px 18px -6px rgba(11, 16, 32, 0.45);
}

.fab-tooltip::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: var(--bg);
}

.fab:hover .fab-tooltip,
.fab:focus-visible .fab-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

@media (max-width: 520px) {
  .fab-dock {
    right: 16px;
    bottom: 16px;
    gap: 10px;
  }
  .fab {
    width: 52px;
    height: 52px;
  }
  .fab-tooltip {
    display: none;
  }
}