/* ==========================================================================
   L3 LEGACY FOUNDATION — Design Tokens + Component Styles
   ========================================================================== */

:root,
[data-theme='light'] {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.75rem);
  --text-hero: clamp(2.5rem, 1rem + 4.5vw, 5rem);

  /* Spacing (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Surfaces — clean bright white */
  --color-bg: #fdfdfb;
  --color-surface: #ffffff;
  --color-surface-2: #f8f8f4;
  --color-surface-offset: #f0efe8;
  --color-surface-offset-2: #e6e4d9;
  --color-surface-dynamic: #d8d5c6;
  --color-divider: #e7e5db;
  --color-border: #dbd8cb;

  /* Text — near-black ink */
  --color-text: #14151a;
  --color-text-muted: #55565f;
  --color-text-faint: #90919a;
  --color-text-inverse: #ffffff;

  /* Primary accent — L3 pink */
  --color-primary: #ed0b76;
  --color-primary-hover: #c90a64;
  --color-primary-active: #a80753;
  --color-primary-highlight: #fce1ee;

  /* Secondary accent — L3 lime green */
  --color-secondary: #a6c400;
  --color-secondary-hover: #8faa00;
  --color-secondary-active: #799200;
  --color-secondary-highlight: #eef5c9;

  /* Near-black — for contrast sections / CTA blocks */
  --color-ink: #101014;
  --color-ink-2: #1a1a1f;
  --color-ink-border: #2c2c33;

  /* Semantic */
  --color-success: #5c8a00;
  --color-success-highlight: #e8f0c8;
  --color-error: #c0392b;
  --color-error-highlight: #f8d7d3;
  --color-warning: #a66a00;
  --color-warning-highlight: #f5e6c0;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows — neutral ink tint */
  --shadow-sm: 0 1px 2px oklch(0.16 0.02 340 / 0.08);
  --shadow-md: 0 6px 20px oklch(0.16 0.02 340 / 0.1);
  --shadow-lg: 0 18px 44px oklch(0.16 0.02 340 / 0.16);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 1000px;
  --content-wide: 1240px;
  --content-full: 100%;

  /* Fonts */
  --font-display: 'Anton', 'Segoe UI', sans-serif;
  --font-body: 'Satoshi', 'Segoe UI', sans-serif;
}

[data-theme='dark'] {
  --color-bg: #0a0a0c;
  --color-surface: #131316;
  --color-surface-2: #17171b;
  --color-surface-offset: #1d1d22;
  --color-surface-offset-2: #24242b;
  --color-surface-dynamic: #2e2e37;
  --color-divider: #26262c;
  --color-border: #2d2d35;

  --color-text: #f5f4f0;
  --color-text-muted: #b0b0b8;
  --color-text-faint: #6c6c76;
  --color-text-inverse: #ffffff;

  --color-primary: #ff3d93;
  --color-primary-hover: #ff62a8;
  --color-primary-active: #ff85bc;
  --color-primary-highlight: #3a1428;

  --color-secondary: #c3e100;
  --color-secondary-hover: #d4ee33;
  --color-secondary-active: #dff566;
  --color-secondary-highlight: #26290a;

  --color-ink: #000000;
  --color-ink-2: #070708;
  --color-ink-border: #1c1c20;

  --color-success: #9bc53d;
  --color-success-highlight: #222b0e;
  --color-error: #e5695c;
  --color-error-highlight: #341412;
  --color-warning: #d9a441;
  --color-warning-highlight: #2e2410;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 6px 20px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 18px 44px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0a0a0c;
    --color-surface: #131316;
    --color-surface-2: #17171b;
    --color-surface-offset: #1d1d22;
    --color-surface-offset-2: #24242b;
    --color-surface-dynamic: #2e2e37;
    --color-divider: #26262c;
    --color-border: #2d2d35;
    --color-text: #f5f4f0;
    --color-text-muted: #b0b0b8;
    --color-text-faint: #6c6c76;
    --color-text-inverse: #ffffff;
    --color-primary: #ff3d93;
    --color-primary-hover: #ff62a8;
    --color-primary-active: #ff85bc;
    --color-primary-highlight: #3a1428;
    --color-secondary: #c3e100;
    --color-secondary-hover: #d4ee33;
    --color-secondary-active: #dff566;
    --color-secondary-highlight: #26290a;
    --color-ink: #000000;
    --color-ink-2: #070708;
    --color-ink-border: #1c1c20;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
    --shadow-md: 0 6px 20px oklch(0 0 0 / 0.4);
    --shadow-lg: 0 18px 44px oklch(0 0 0 / 0.5);
  }
}

/* ==========================================================================
   Layout primitives
   ========================================================================== */

.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.container--default {
  max-width: var(--content-default);
}
.container--narrow {
  max-width: var(--content-narrow);
}

section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}
section.section--tight {
  padding-block: clamp(var(--space-10), 6vw, var(--space-20));
}

.section-head {
  margin-bottom: clamp(var(--space-8), 5vw, var(--space-12));
  max-width: 46rem;
}
.section-head--wide {
  max-width: 62rem;
}
.section-head.is-centered {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.eyebrow::before {
  content: '';
  width: 1.5rem;
  height: 2px;
  background: var(--color-primary);
  display: inline-block;
}

h1,
.h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-hero);
  letter-spacing: 0.005em;
  text-transform: uppercase;
}
h2,
.h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-2xl);
  letter-spacing: 0.005em;
  text-transform: uppercase;
}
h3,
.h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-lg);
  letter-spacing: 0.01em;
}
p {
  color: var(--color-text-muted);
}
.lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 42rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-full);
  white-space: nowrap;
  min-height: 44px;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}
.btn-primary:active {
  background: var(--color-primary-active);
}
.btn-outline {
  background: transparent;
  border-color: oklch(from var(--color-text) l c h / 0.22);
  color: var(--color-text);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-ghost-inverse {
  background: transparent;
  border-color: oklch(from var(--color-text-inverse) l c h / 0.3);
  color: var(--color-text-inverse);
}
.btn-ghost-inverse:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-inverse {
  background: var(--color-text-inverse);
  color: var(--color-ink);
}
.btn-inverse:hover {
  background: var(--color-primary);
  color: #ffffff;
}
.btn-lg {
  padding: var(--space-5) var(--space-8);
  font-size: var(--text-base);
}

/* ==========================================================================
   Header / Nav
   ========================================================================== */

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  z-index: 200;
  border-radius: var(--radius-sm);
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.08);
  transition:
    transform 0.3s var(--ease-out),
    box-shadow 0.3s var(--ease-out);
}
.header--hidden {
  transform: translateY(-100%);
}
.header--scrolled {
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-base);
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.brand svg {
  width: 40px;
  height: 40px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.brand-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
}
.brand-word small {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}
@media (max-width: 480px) {
  .brand-word small {
    display: none;
  }
}

.nav-desktop {
  display: none;
}
.nav-desktop ul {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav-desktop a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding-block: var(--space-2);
}
.nav-desktop a:hover,
.nav-desktop a[aria-current='page'] {
  color: var(--color-text);
}
.nav-desktop a[aria-current='page']::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  color: var(--color-primary);
  background: var(--color-surface-offset);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text);
}
.nav-toggle:hover {
  background: var(--color-surface-offset);
}

.nav-mobile {
  position: fixed;
  inset: 0;
  top: 0;
  background: var(--color-bg);
  z-index: 150;
  padding: var(--space-24) var(--space-6) var(--space-8);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s var(--ease-out);
  overflow-y: auto;
}
.nav-mobile.is-open {
  transform: translateX(0);
}
.nav-mobile ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.nav-mobile a {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
  color: var(--color-text);
}
.nav-mobile-close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-5);
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text);
}
.nav-mobile-close:hover {
  background: var(--color-surface-offset);
}
.nav-mobile-cta {
  margin-top: var(--space-8);
}

@media (min-width: 900px) {
  .nav-desktop {
    display: block;
  }
  .nav-toggle {
    display: none;
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  padding-block: clamp(var(--space-16), 10vw, var(--space-24)) clamp(var(--space-12), 7vw, var(--space-20));
  overflow: hidden;
}
.hero-grid {
  display: grid;
  gap: var(--space-12);
  align-items: start;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}
.hero h1 {
  color: var(--color-text);
  margin-bottom: var(--space-6);
}
.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}
.hero-lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 34rem;
  margin-bottom: var(--space-8);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}
.hero-media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/5;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, oklch(from var(--color-ink) l c h / 0.55), transparent 55%);
}
.hero-tagline-card {
  position: absolute;
  left: var(--space-6);
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 2;
  color: #ffffff;
}
.hero-tagline-card p {
  color: #ffffff;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  letter-spacing: 0.01em;
  max-width: 26rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-divider);
}
@media (min-width: 560px) {
  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}
.hero-stat .stat-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  display: block;
}
.hero-stat .stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: stretch;
  }
  .hero-media {
    aspect-ratio: auto;
    height: 100%;
    min-height: 460px;
  }
}

/* ==========================================================================
   Page header (interior pages)
   ========================================================================== */

.page-header {
  padding-block: clamp(var(--space-16), 8vw, var(--space-20)) clamp(var(--space-10), 5vw, var(--space-16));
  border-bottom: 1px solid var(--color-divider);
}
.page-header h1 {
  font-size: var(--text-2xl);
  max-width: 40rem;
}
.page-header .lede {
  margin-top: var(--space-5);
}
.breadcrumb {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-5);
  display: flex;
  gap: var(--space-2);
  align-items: center;
}
.breadcrumb a {
  color: var(--color-text-faint);
}
.breadcrumb a:hover {
  color: var(--color-primary);
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.card-tight {
  padding: var(--space-6);
}

.airtable-embed {
  display: block;
  border-radius: var(--radius-md);
}

.pillar-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
.pillar-card {
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
}
.pillar-num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
  display: block;
}
.pillar-card h3 {
  margin-bottom: var(--space-3);
}
.pillar-card p {
  font-size: var(--text-sm);
}

@media (min-width: 700px) {
  .pillar-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1100px) {
  .pillar-grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
  .pillar-grid--5 {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* Benefit list */
.check-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text);
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--color-divider);
}
.check-list li:last-child {
  border-bottom: none;
}
.check-list svg {
  width: 18px;
  height: 18px;
  color: var(--color-secondary-hover);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Numbered step */
.step-row {
  display: flex;
  gap: var(--space-5);
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}
.step-row:last-child {
  border-bottom: none;
}
.step-num {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-primary);
  width: 2.5rem;
  flex-shrink: 0;
}
.step-row h3 {
  margin-bottom: var(--space-2);
}
.step-row p {
  font-size: var(--text-sm);
}

/* Program feature block (image + text alternating) */
.feature-block {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}
.feature-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/3;
}
.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media (min-width: 900px) {
  .feature-block {
    grid-template-columns: 1fr 1fr;
  }
  .feature-block.reverse .feature-media {
    order: 2;
  }
}
.feature-media.is-portrait {
  aspect-ratio: 3/4;
}
@media (min-width: 900px) {
  .feature-media.is-portrait {
    max-width: 26rem;
  }
}

/* Founder spotlight */
.founder-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 4vw, var(--space-12));
}
.founder-card .feature-block {
  align-items: start;
}
.founder-signoff {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-block: var(--space-6);
}
.founder-card .pull-quote {
  padding-block: var(--space-4) 0;
  border-top: 1px solid var(--color-divider);
  margin-top: var(--space-6);
  max-width: none;
}
.founder-card .pull-quote p {
  font-size: var(--text-lg);
}

/* Blog */
.blog-grid {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
}
@media (min-width: 700px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1100px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.blog-card-media {
  aspect-ratio: 16/10;
  overflow: hidden;
}
.blog-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.blog-card-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.blog-card-body h3 {
  font-size: var(--text-lg);
}
.blog-card-body p {
  font-size: var(--text-sm);
  flex: 1;
}
.blog-card-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}
.blog-featured {
  display: grid;
  gap: var(--space-8);
  align-items: center;
  background: var(--color-ink);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.blog-featured-media {
  aspect-ratio: 16/10;
}
.blog-featured-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.blog-featured-body {
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  color: var(--color-text-inverse);
}
.blog-featured-body p {
  color: oklch(from var(--color-text-inverse) l c h / 0.75);
}
@media (min-width: 900px) {
  .blog-featured {
    grid-template-columns: 1.1fr 1fr;
  }
}

/* Ambassador / mentorship strip */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary-hover);
  letter-spacing: 0.02em;
}

/* Quote / pull-quote */
.pull-quote {
  border-left: none;
  padding: var(--space-8) 0;
  max-width: 44rem;
}
.pull-quote p {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  letter-spacing: 0.005em;
  color: var(--color-text);
  line-height: 1.35;
}
.pull-quote cite {
  display: block;
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  font-style: normal;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Sponsorship tiers
   ========================================================================== */

.tier-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}
.tier-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.tier-card.is-featured {
  background: var(--color-ink);
  border-color: var(--color-ink-border);
}
.tier-card.is-featured * {
  color: var(--color-text-inverse);
}
.tier-card.is-featured .tier-amount {
  color: var(--color-primary);
}
.tier-card.is-featured p {
  color: oklch(from var(--color-text-inverse) l c h / 0.7);
}
.tier-amount {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-primary);
}
.tier-card h3 {
  font-size: var(--text-base);
  font-weight: 600;
}
.tier-card p {
  font-size: var(--text-sm);
}

@media (min-width: 700px) {
  .tier-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1100px) {
  .tier-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.sponsor-list {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}
.sponsor-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
}
.sponsor-item h3 {
  font-size: var(--text-base);
}
.sponsor-item p {
  font-size: var(--text-xs);
  margin-top: var(--space-1);
}
.sponsor-item .btn {
  flex-shrink: 0;
}
@media (min-width: 800px) {
  .sponsor-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   CTA band
   ========================================================================== */

.cta-band {
  background: var(--color-ink);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-10), 6vw, var(--space-16));
  display: grid;
  gap: var(--space-8);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px circle at 90% 0%, oklch(from var(--color-primary) l c h / 0.18), transparent 60%);
  pointer-events: none;
}
.cta-band h2,
.cta-band p {
  color: var(--color-text-inverse);
  position: relative;
}
.cta-band p {
  color: oklch(from var(--color-text-inverse) l c h / 0.72);
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  position: relative;
}
@media (min-width: 900px) {
  .cta-band {
    grid-template-columns: 1.2fr auto;
    align-items: center;
  }
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 700px) {
  .form-grid--2 {
    grid-template-columns: 1fr 1fr;
  }
}
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.field label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}
.field input,
.field select,
.field textarea {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  min-height: 44px;
}
.field textarea {
  min-height: 120px;
  resize: vertical;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}
.field-hint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.radio-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.radio-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  cursor: pointer;
  min-height: 44px;
}
.radio-chip input {
  accent-color: var(--color-primary);
}
.radio-chip:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
  color: var(--color-primary-hover);
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-16) var(--space-6);
}
.form-success.is-visible {
  display: block;
}
.form-success svg {
  width: 56px;
  height: 56px;
  color: var(--color-success);
  margin-inline: auto;
  margin-bottom: var(--space-5);
}
.form-success h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}
.form-success p {
  max-width: 34rem;
  margin-inline: auto;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: var(--color-ink);
  color: oklch(from var(--color-text-inverse) l c h / 0.78);
  padding-block: clamp(var(--space-16), 7vw, var(--space-20)) var(--space-10);
}
.footer h3,
.footer .brand {
  color: var(--color-text-inverse);
}
.footer a {
  color: oklch(from var(--color-text-inverse) l c h / 0.72);
}
.footer a:hover {
  color: var(--color-primary);
}
.footer-grid {
  display: grid;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-ink-border);
  margin-bottom: var(--space-8);
}
.footer-about p {
  color: oklch(from var(--color-text-inverse) l c h / 0.65);
  font-size: var(--text-sm);
  max-width: 26rem;
  margin-top: var(--space-4);
}
.footer-links h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: oklch(from var(--color-text-inverse) l c h / 0.5);
  margin-bottom: var(--space-4);
}
.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-size: var(--text-sm);
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: oklch(from var(--color-text-inverse) l c h / 0.5);
}
.social-row {
  display: flex;
  gap: var(--space-3);
}
.social-row a {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-ink-border);
}
.social-row a:hover {
  border-color: var(--color-primary);
}
.social-row svg {
  width: 16px;
  height: 16px;
}

@media (min-width: 900px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }
}

/* ==========================================================================
   Utility / motion
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.divider-alt {
  background: var(--color-surface-2);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.two-col-text {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .two-col-text {
    grid-template-columns: 0.8fr 1.2fr;
  }
}