/* ── Header ─────────────────────────────────────────── */

.vl28-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 22px 0 12px;
}

.vl21-page {
  padding-top: 0;
}

.vl28-header .vl21-brand {
  gap: 12px;
}

.vl28-header .vl21-brand-copy span {
  color: color-mix(in srgb, var(--vl21-ink-soft) 88%, transparent);
}

.vl28-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.vl28-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
  border: 1px solid var(--vl21-line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--vl21-panel) 72%, transparent);
}

.vl28-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0.44rem 0.78rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--vl21-ink-soft);
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.vl28-nav a:hover,
.vl28-nav a:focus-visible {
  color: var(--vl21-ink);
  border-color: var(--vl21-line);
  background: color-mix(in srgb, var(--vl21-panel-soft) 90%, transparent);
}

.vl28-nav a:focus-visible {
  outline: none;
  box-shadow:
    0 0 0 2px color-mix(in srgb, var(--vl21-bg) 68%, transparent),
    0 0 0 4px color-mix(in srgb, var(--vl21-accent) 38%, transparent);
}

.vl28-header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0.44rem 1rem;
  border: none;
  border-radius: 999px;
  background: var(--vl21-accent);
  color: #1a1209;
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  transition: background 0.18s ease, transform 0.18s ease;
}

.vl28-header-cta:hover {
  background: color-mix(in srgb, var(--vl21-accent) 88%, #fff);
  transform: translateY(-1px);
}

.vl28-header-cta:active {
  transform: translateY(0);
}

/* ── Main ───────────────────────────────────────────── */

.vl28-main {
  display: grid;
  gap: 0;
}

/* ── Hero ───────────────────────────────────────────── */

.vl28-hero {
  padding-top: clamp(56px, 8vw, 100px);
  padding-bottom: clamp(56px, 8vw, 96px);
}

.vl28-hero-inner {
  max-width: 740px;
  margin-inline: auto;
  text-align: center;
}

.vl28-eyebrow {
  margin: 0;
  color: var(--vl21-ink-soft);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.vl28-hero h1 {
  margin: 16px 0 0;
  font-family: "NVIDIA Sans", "NVIDIA Sans Fallback", ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  font-size: clamp(2.1rem, 3.6vw, 2.9rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.vl28-subhead {
  max-width: 52ch;
  margin: 20px auto 0;
  color: var(--vl21-ink-soft);
  font-size: 1.12rem;
  line-height: 1.65;
}

.vl28-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.vl28-actions-note {
  margin: 16px auto 0;
  max-width: 44ch;
  color: var(--vl21-ink-soft);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* ── Buttons (flat, confident) ──────────────────────── */

.vl28-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 290px;
  min-height: 52px;
  padding: 0.88rem 2rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  transition: background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.vl28-btn:active {
  transform: translateY(0);
}

.vl28-btn-primary {
  border: none;
  background: #e8d44d;
  color: #1a1a1a;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), 0 4px 14px rgba(232, 212, 77, 0.2);
}

.vl28-btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), 0 8px 22px rgba(232, 212, 77, 0.3);
}

.vl28-btn-secondary {
  border: none;
  background: #2b7ab8;
  color: #ffffff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 4px 14px rgba(43, 122, 184, 0.2);
}

.vl28-btn-secondary:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 8px 22px rgba(74, 158, 222, 0.3);
}

/* ── Picks section ──────────────────────────────────── */

.vl28-picks {
  display: grid;
  gap: 18px;
  padding: 48px 0 40px;
}

.vl28-section-intro {
  display: grid;
  gap: 10px;
}

.vl28-picks .vl28-section-intro {
  justify-items: center;
  text-align: center;
}

.vl28-section-intro h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.vl28-section-copy {
  margin: 0;
  color: var(--vl21-ink-soft);
  line-height: 1.66;
}

/* ── Refine panel ───────────────────────────────────── */

.vl28-refine {
  border: 1px solid var(--vl21-line);
  border-radius: var(--vl21-radius-xl);
  background: linear-gradient(180deg, color-mix(in srgb, var(--vl21-panel) 96%, transparent) 0%, color-mix(in srgb, var(--vl21-panel-soft) 98%, transparent) 100%);
  box-shadow: var(--vl21-shadow);
  overflow: hidden;
}

.vl28-refine summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  padding: 18px 20px;
  font-size: 1rem;
  font-weight: 700;
}

.vl28-refine summary::-webkit-details-marker {
  display: none;
}

.vl28-refine summary::after {
  content: "−";
  color: var(--vl21-ink-soft);
  font-size: 1rem;
}

.vl28-refine:not([open]) summary::after {
  content: "+";
}

.vl28-refine-body {
  display: grid;
  gap: 18px;
  padding: 0 20px 20px;
}

.vl28-refine-search {
  width: min(100%, 360px);
}

.vl28-filter-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 22px;
}

.vl28-refine-foot {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.vl28-picks-list {
  padding-top: 18px;
}

.vl28-picks .vl21-card-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* ── How it works ───────────────────────────────────── */

.vl28-section {
  padding: 48px 0;
}

.vl28-how {
  padding-top: 56px;
}

.vl28-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.vl28-step {
  display: grid;
  gap: 10px;
  padding: 24px;
  border: 1px solid var(--vl21-line);
  border-radius: var(--vl21-radius-lg);
  background: color-mix(in srgb, var(--vl21-panel) 72%, transparent);
}

.vl28-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--vl21-accent) 16%, transparent);
  color: var(--vl21-accent);
  font-size: 0.82rem;
  font-weight: 700;
}

.vl28-step strong {
  display: block;
  font-size: 1.02rem;
}

.vl28-step p {
  margin: 0;
  color: var(--vl21-ink-soft);
  line-height: 1.66;
  font-size: 0.94rem;
}

/* ── FAQ ────────────────────────────────────────────── */

.vl28-faq-list {
  gap: 14px;
  margin-top: 8px;
}

.vl28-faq-list .vl21-faq-item summary {
  padding: 20px 22px;
}

.vl28-faq-list .vl21-faq-item p {
  padding: 0 22px 20px;
}

/* ── Light theme ────────────────────────────────────── */

body[data-theme="light"] .vl28-btn-primary {
  background: #d4b930;
  color: #1a1a1a;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 4px 14px rgba(212, 185, 48, 0.18);
}

body[data-theme="light"] .vl28-btn-primary:hover {
  filter: brightness(1.06);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 8px 22px rgba(212, 185, 48, 0.25);
}

body[data-theme="light"] .vl28-btn-secondary {
  background: #3a8bcb;
  color: #ffffff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 4px 14px rgba(58, 139, 203, 0.18);
}

body[data-theme="light"] .vl28-btn-secondary:hover {
  filter: brightness(1.06);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 8px 22px rgba(58, 139, 203, 0.25);
}

body[data-theme="light"] .vl28-nav {
  border-color: var(--vl21-line);
  background: color-mix(in srgb, var(--vl21-panel) 82%, transparent);
}

body[data-theme="light"] .vl28-nav a {
  color: var(--vl21-ink-soft);
}

body[data-theme="light"] .vl28-nav a:hover,
body[data-theme="light"] .vl28-nav a:focus-visible {
  color: var(--vl21-ink);
  border-color: var(--vl21-line);
  background: rgba(255, 255, 255, 0.9);
}

body[data-theme="light"] .vl28-header-cta {
  background: var(--vl21-accent);
  color: #fffaf3;
}

body[data-theme="light"] .vl28-header-cta:hover {
  background: color-mix(in srgb, var(--vl21-accent) 88%, #000);
}

body[data-theme="light"] .vl28-header-actions {
  border-color: var(--vl21-line);
}

body[data-theme="light"] .vl28-step {
  background: color-mix(in srgb, var(--vl21-panel) 86%, transparent);
}

/* ── Responsive ─────────────────────────────────────── */

@media (max-width: 960px) {
  .vl28-filter-grid {
    grid-template-columns: 1fr;
  }

  .vl28-refine-foot {
    flex-direction: column;
  }

  .vl28-picks .vl21-card-grid {
    grid-template-columns: 1fr;
  }

  .vl28-steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .vl28-header {
    padding-top: 6px;
  }

  .vl28-nav {
    display: none;
  }

  .vl28-header-actions {
    gap: 0;
  }

  .vl28-hero {
    padding-top: 48px;
    padding-bottom: 44px;
  }

  .vl28-hero h1 {
    font-size: 2.4rem;
    line-height: 1.02;
  }

  .vl28-subhead {
    max-width: 30ch;
    font-size: 1rem;
  }

  .vl28-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .vl28-actions-note {
    font-size: 0.88rem;
  }

  .vl28-btn {
    width: 100%;
    min-height: 50px;
  }

  .vl28-picks {
    padding-top: 24px;
  }

  .vl28-refine-search {
    width: 100%;
  }

  .vl28-section {
    padding: 36px 0;
  }
}

/* ── Personas grid (Browse by profession) ─────────────── */

.vl28-personas {
  padding-top: 32px;
}

.vl28-personas .vl28-section-copy {
  font-size: 0.96rem;
  color: var(--vl21-ink-soft, #a9b5cc);
  max-width: 720px;
  margin-top: 8px;
  line-height: 1.55;
}

.vl28-personas-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.vl28-persona-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--vl21-line, rgba(73, 87, 112, 0.62));
  border-radius: 10px;
  background: var(--vl21-panel, rgba(26, 33, 49, 0.94));
  color: var(--vl21-ink, #f8fbff);
  text-decoration: none;
  transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease;
}

.vl28-persona-card:hover {
  border-color: var(--vl21-line-strong, rgba(115, 130, 154, 0.72));
  transform: translateY(-1px);
  background: var(--vl21-panel-soft, rgba(27, 35, 52, 0.97));
}

.vl28-persona-card strong {
  font-size: 1rem;
  font-weight: 700;
  color: var(--vl21-ink, #f8fbff);
}

.vl28-persona-card span {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--vl21-ink-soft, #a9b5cc);
}

@media (max-width: 900px) {
  .vl28-personas-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .vl28-personas-grid {
    grid-template-columns: 1fr;
  }
}