:root {
  /* Theme tokens */
  color-scheme: dark light;
  --bg: #0b111e;
  --bg-alt: #111a2e;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-strong: rgba(255, 255, 255, 0.12);
  --text: #e6edf7;
  --muted: #b4c0d4;
  --accent: #67d2ff;
  --accent-strong: #7bf0c8;
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

[data-theme="light"] {
  --bg: #f1f4f9;
  --bg-alt: #e4e9f3;
  --surface: rgba(15, 23, 42, 0.08);
  --surface-strong: rgba(15, 23, 42, 0.12);
  --text: #0b1220;
  --muted: #3e4a5c;
  --accent: #2563eb;
  --accent-strong: #059669;
  --border: rgba(15, 23, 42, 0.15);
  --shadow: 0 16px 30px rgba(15, 23, 42, 0.2);
}

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

body {
  font-family: "Space Grotesk", sans-serif;
  background: radial-gradient(circle at 10% 20%, rgba(103, 210, 255, 0.15), transparent 55%),
    radial-gradient(circle at 90% 0%, rgba(123, 240, 200, 0.12), transparent 45%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

.bg-orb {
  position: fixed;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.45;
  z-index: -1;
}

.bg-orb--one {
  top: -80px;
  left: -60px;
  background: #1c2b58;
}

.bg-orb--two {
  bottom: -120px;
  right: -80px;
  background: #0f3d3a;
}

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

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(14px);
  background: rgba(8, 12, 20, 0.7);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

[data-theme="light"] .site-header {
  background: rgba(241, 244, 249, 0.9);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-weight: 700;
}

.brand-title {
  font-weight: 600;
}

.brand-subtitle {
  font-size: 0.85rem;
  color: var(--muted);
}

.nav {
  display: flex;
  gap: 18px;
  font-weight: 500;
}

.nav a {
  position: relative;
  padding-bottom: 6px;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.nav a:hover::after {
  width: 100%;
}

.theme-toggle {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.2s ease;
}

.theme-toggle:hover {
  background: var(--surface-strong);
}

/* ── Hero ── */
.hero {
  padding: 80px 0 60px;
}

.hero-grid {
  display: flex;
  flex-direction: row;
  gap: 32px;
  align-items: center;
}

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

.hero-card {
  flex: 1;
  min-width: 0;
}

h1 {
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  line-height: 1.1;
  margin-bottom: 16px;
}

.lead {
  font-family: "IBM Plex Serif", serif;
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 26px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: #0b1220;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 10px 20px rgba(103, 210, 255, 0.25);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(103, 210, 255, 0.4);
}

.btn-small {
  padding: 8px 12px;
  font-size: 0.9rem;
  width: 100%;
}

/* ── Hero card ── */
.hero-card-image {
  height: 200px;
  width: 200px;
  margin: 0 auto 20px;
  background: linear-gradient(160deg, rgba(103, 210, 255, 0.2), rgba(123, 240, 200, 0.2));
  overflow: hidden;
  border-radius: 50%;
  position: relative;
  animation: profilePulse 3s ease-in-out infinite;
}

@keyframes profilePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(103, 210, 255, 0.3); }
  50%       { box-shadow: 0 0 0 12px rgba(103, 210, 255, 0); }
}

.hero-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  border-radius: 50%;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  font-size: 0.95rem;
}

.meta-label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 4px;
}

.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.hero-card ul {
  list-style: none;
  display: grid;
  gap: 10px;
  color: var(--muted);
}

/* ── Sections ── */
.section {
  padding: 70px 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-header {
  margin-bottom: 30px;
}

.section-header p {
  color: var(--muted);
  max-width: 560px;
}

/* ── Filter tabs ── */
.filter-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.filter-btn {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.filter-btn:hover {
  background: var(--surface-strong);
  color: var(--text);
  transform: translateY(-1px);
}

.filter-btn.active {
  background: var(--accent);
  color: #0b1220;
  border-color: transparent;
  font-weight: 600;
}

/* ── Project cards ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 50px rgba(103, 210, 255, 0.18);
  border-color: rgba(103, 210, 255, 0.35);
}

.card-image {
  height: 200px;
  background: linear-gradient(160deg, rgba(37, 99, 235, 0.4), rgba(16, 185, 129, 0.4));
  overflow: hidden;
  border-radius: 20px 20px 0 0;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.4s ease;
}

.card:hover .card-image img {
  transform: scale(1.06);
}

.card-body {
  padding: 20px;
  display: grid;
  gap: 8px;
}

.card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 3px 10px;
  border: 1px solid rgba(103, 210, 255, 0.3);
  border-radius: 999px;
  background: rgba(103, 210, 255, 0.08);
  width: fit-content;
}

/* Empty state for filter */
.empty-state {
  display: none;
  text-align: center;
  color: var(--muted);
  padding: 40px 0;
  font-size: 1rem;
}

/* ── Skills ── */
.pill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}

.pill-grid span {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  text-align: center;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.pill-grid span:hover {
  background: var(--surface-strong);
  border-color: rgba(103, 210, 255, 0.4);
  transform: translateY(-2px);
}

/* ── Contact ── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

.contact-form {
  display: grid;
  gap: 16px;
  background: var(--surface);
  padding: 24px;
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 6px;
  font-weight: 500;
}

input,
textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: var(--bg-alt);
  color: var(--text);
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(103, 210, 255, 0.15);
}

input.invalid,
textarea.invalid {
  border-color: #f87171;
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.15);
}

.field-error {
  font-size: 0.82rem;
  color: #f87171;
  min-height: 1.1em;
  display: block;
}

.form-success {
  padding: 14px 18px;
  border-radius: 12px;
  background: rgba(123, 240, 200, 0.12);
  border: 1px solid rgba(123, 240, 200, 0.35);
  color: var(--accent-strong);
  font-weight: 500;
  animation: slideDown 0.35s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Champions League Widget ── */
.cl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.cl-match-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 20px;
  display: grid;
  gap: 10px;
  animation: fadeUp 0.4s ease both;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cl-match-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(103, 210, 255, 0.12);
}

.cl-stage {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 6px;
}

.cl-stage::before {
  content: "🏆";
  font-size: 0.9rem;
}

.cl-teams {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-weight: 600;
  font-size: 1rem;
}

.cl-team {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1 1 0;
}

.cl-team--away {
  justify-content: flex-end;
  text-align: right;
}

.cl-team-logo {
  width: 24px;
  height: 24px;
  object-fit: contain;
  flex: 0 0 24px;
}

.cl-vs {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 400;
  flex: 0 0 auto;
}

.cl-date {
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.cl-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.cl-time,
.cl-venue {
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.cl-time::before {
  content: "⏰";
  font-size: 0.9rem;
}

.cl-venue::before {
  content: "📍";
  font-size: 0.9rem;
}

.cl-date::before { content: "📅"; font-size: 0.9rem; }

.cl-score {
  font-size: 1.3rem;
  font-weight: 700;
  text-align: center;
  color: var(--accent-strong);
  letter-spacing: 0.05em;
}

.cl-loading {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  padding: 30px 0;
}

.cl-loading[hidden],
.cl-error[hidden],
.form-success[hidden] {
  display: none !important;
}

.cl-error {
  color: #f87171;
  padding: 20px 0;
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 22px;
  height: 22px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Scroll fade-in animation ── */
.fade-in {
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delay for project cards */
#project-grid .card:nth-child(1) { transition-delay: 0s; }
#project-grid .card:nth-child(2) { transition-delay: 0.15s; }
#project-grid .card:nth-child(3) { transition-delay: 0.3s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Countdown ── */
.countdown-section {
  padding: 28px 0;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}

.countdown-label {
  text-align: center;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 18px;
}

.countdown-grid {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.countdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 22px;
  min-width: 84px;
  box-shadow: var(--shadow);
  transition: border-color 0.2s ease;
}

.countdown-unit:hover {
  border-color: rgba(103, 210, 255, 0.4);
}

.countdown-val {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.countdown-key {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ── Filter bar ── */
.filter-bar {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.filter-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-row-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  min-width: 76px;
}

/* Sort select */
.sort-select,
#project-sort {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  width: auto;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.sort-select:hover,
#project-sort:hover {
  background: var(--surface-strong);
}

.sort-select:focus,
#project-sort:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(103, 210, 255, 0.15);
}

/* Style select only inside the contact form — do NOT apply globally */
.contact-form select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: var(--bg-alt);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(103, 210, 255, 0.15);
}

select.invalid {
  border-color: #f87171;
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.15);
}

/* ── Difficulty badges ── */
.card-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.diff-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 999px;
  width: fit-content;
}

.diff-badge--beginner {
  background: rgba(34, 197, 94, 0.1);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.diff-badge--intermediate {
  background: rgba(234, 179, 8, 0.1);
  color: #facc15;
  border: 1px solid rgba(234, 179, 8, 0.3);
}

.diff-badge--advanced {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ── GitHub Repo Cards ── */
.gh-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  animation: fadeUp 0.4s ease both;
}

.gh-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 50px rgba(103, 210, 255, 0.18);
  border-color: rgba(103, 210, 255, 0.35);
}

.gh-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.gh-card-header svg {
  flex-shrink: 0;
  color: var(--accent);
}

.gh-card-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gh-card-name:hover {
  text-decoration: underline;
}

.gh-card-desc {
  font-size: 0.9rem;
  color: var(--muted);
  flex: 1;
  line-height: 1.5;
}

.gh-card-footer {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--muted);
}

.gh-lang-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.gh-meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ── Footer ── */
.site-footer {
  padding: 24px 0 40px;
  color: var(--muted);
  text-align: center;
}

/* ── Responsive ── */
@media (max-width: 960px) {
  .header-content {
    flex-direction: column;
  }

  .hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .site-header {
    padding: 12px 0;
  }

  .header-content {
    padding: 10px 0;
    gap: 8px;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
  }

  .brand {
    gap: 8px;
    order: 1;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    font-size: 0.9rem;
  }

  .brand-title {
    font-size: 0.95rem;
  }

  .brand-subtitle {
    font-size: 0.75rem;
  }

  .theme-toggle {
    padding: 6px 12px;
    font-size: 0.85rem;
    order: 2;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    font-size: 0.9rem;
    order: 3;
    width: 100%;
  }

  .hero-grid {
    flex-direction: column-reverse;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-meta {
    grid-template-columns: 1fr;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Auth Widget ── */
.auth-widget {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}

#auth-guest,
#auth-user {
  display: flex;
  align-items: center;
  gap: 8px;
}

#auth-guest[hidden],
#auth-user[hidden] {
  display: none;
}

.auth-btn {
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.auth-btn:hover {
  background: var(--surface-strong);
}

.auth-btn--outline {
  border-color: rgba(248, 113, 113, 0.4);
  color: #f87171;
}

.auth-btn--outline:hover {
  background: rgba(248, 113, 113, 0.08);
}

.auth-greeting {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}

.auth-popover {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  display: grid;
  gap: 10px;
  min-width: 220px;
  box-shadow: var(--shadow);
  z-index: 100;
}

.auth-popover[hidden] {
  display: none;
}

.auth-popover-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.auth-name-input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color 0.2s ease;
}

.auth-name-input:focus {
  outline: none;
  border-color: var(--accent);
}

/* ── Section Toggle Buttons ── */
.section-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.section-toggle-btn {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.section-toggle-btn:hover {
  background: var(--surface-strong);
  color: var(--text);
}

.toggle-chevron {
  display: inline-block;
  transition: transform 0.3s ease;
  line-height: 1;
}

.toggle-chevron.collapsed {
  transform: rotate(-90deg);
}

.section-body {
  transition: opacity 0.25s ease;
}

.section-body.hidden {
  display: none;
}

/* ── Performance hints ── */

/* GPU-composited layers for animated cards */
.card,
.gh-card,
.cl-match-card {
  will-change: transform;
}

/* Skip rendering off-screen sections until scrolled into view */
.section,
.countdown-section {
  content-visibility: auto;
  contain-intrinsic-size: 0 600px;
}

/* Isolate hero from rest-of-page reflow */
.hero {
  contain: layout style;
}