/* ============================================================
   Winner's Circle Robo Jockeys — FRC Team 5492
   css/style.css
   ============================================================ */

/* ----------------------------------------------------------
   CSS Custom Properties
   ---------------------------------------------------------- */
:root {
  --bg-base:       #0a0a0f;
  --bg-surface:    #111118;
  --bg-card:       #16161f;
  --bg-card-hover: #1c1c28;
  --accent:        #CC0000;
  --accent-dark:   #a30000;
  --accent-blue:   #4a9eff;
  --accent-blue-dark: #2979d4;
  --accent-glow:   rgba(204, 0, 0, 0.18);
  --text-primary:  #f0f0f5;
  --text-secondary:#a0a0b8;
  --text-muted:    #606078;
  --border:        rgba(255, 255, 255, 0.08);
  --border-accent: rgba(204, 0, 0, 0.40);
  --nav-height:    70px;
  --section-pad:   80px;
  --radius:        10px;
  --radius-lg:     16px;
  --shadow:        0 4px 24px rgba(0, 0, 0, 0.40);
  --shadow-card:   0 8px 32px rgba(0, 0, 0, 0.55);
  --transition:    0.2s ease;
  --font-body:     'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono:     'Courier New', Courier, monospace;
}

/* ----------------------------------------------------------
   Reset & Base
   ---------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: #e53935;
}

ul {
  list-style: none;
}

/* ----------------------------------------------------------
   Typography
   ---------------------------------------------------------- */
h1, h2, h3, h4, h5 {
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

/* ----------------------------------------------------------
   Layout Helpers
   ---------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--section-pad) 0;
}

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

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

.text-accent {
  color: var(--accent);
}

/* ----------------------------------------------------------
   Navigation
   ---------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(10, 10, 15, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-primary);
}

.nav__logo-number {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -0.02em;
  font-family: var(--font-mono);
  line-height: 1;
  border: 2px solid var(--accent);
  padding: 0.1em 0.3em;
  border-radius: 4px;
}

.nav__logo-text {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  line-height: 1.3;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__links a {
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
  text-decoration: none;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.06);
}

.nav__links a.nav__cta {
  background: var(--accent);
  color: #fff;
  padding: 0.45rem 1rem;
  margin-left: 0.5rem;
  border-radius: 6px;
}

.nav__links a.nav__cta:hover {
  background: var(--accent-dark);
}

.nav__links a.nav__cta--donate {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
}

.nav__links a.nav__cta--donate:hover {
  background: var(--accent);
  color: #fff;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  border-radius: 6px;
  transition: background var(--transition);
}

.nav__hamburger:hover {
  background: rgba(255,255,255,0.07);
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  flex-direction: column;
  padding: 1rem 1.5rem 1.5rem;
  gap: 0.25rem;
  z-index: 999;
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile a {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  transition: color var(--transition);
}

.nav__mobile a:last-child {
  border-bottom: none;
}

.nav__mobile a:hover {
  color: var(--accent);
}

/* Page offset for fixed nav */
.page-content {
  padding-top: var(--nav-height);
}

/* ----------------------------------------------------------
   Hero
   ---------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(204, 0, 0, 0.12) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-base) 0%, #0d0d1a 100%);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(204,0,0,0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(21,101,192,0.07) 0%, transparent 50%);
  pointer-events: none;
}

/* Grid lines overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  padding: 2rem 1.5rem;
}

.hero__logo-placeholder {
  width: 120px;
  height: 120px;
  background: var(--bg-card);
  border: 2px solid var(--border-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent);
  font-family: var(--font-mono);
  box-shadow: 0 0 40px rgba(204,0,0,0.2);
}

.hero__eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero__title {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, #ff4444 0%, #e8edf4 45%, #4da3ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.hero__tagline {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 2.5rem;
}

.hero__cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}


/* ── Hero text: always white (dark photo overlay) ── */
.hero,
.hero .hero__eyebrow,
.hero .hero__subtitle,
.hero .hero__tagline {
  color: #fff;
}
.hero .hero__eyebrow { color: var(--accent); }
.hero .hero__subtitle { color: rgba(255,255,255,0.85); font-size: 1rem; letter-spacing: 0.05em; }
.hero .hero__tagline { color: rgba(255,255,255,0.75); }
.hero .btn--outline {
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}
.hero .btn--outline:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255,255,255,0.1);
}

/* ----------------------------------------------------------
   Buttons
   ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all var(--transition);
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(204,0,0,0.35);
}

.btn--primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(204,0,0,0.4);
  color: #fff;
}

.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid rgba(255,255,255,0.2);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--accent-blue);
  border: 2px solid var(--accent-blue);
}

.btn--ghost:hover {
  background: var(--accent-blue);
  color: #fff;
  transform: translateY(-2px);
}

/* ----------------------------------------------------------
   Season Callout
   ---------------------------------------------------------- */
.season-callout {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(204,0,0,0.08) 100%);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 2rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.season-callout__title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.season-callout__desc {
  color: var(--text-secondary);
  max-width: 800px;
}

/* ----------------------------------------------------------
   Stats Row
   ---------------------------------------------------------- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 3rem 0;
}

.stat-item {
  background: var(--bg-card);
  padding: 2rem;
  text-align: center;
}

.stat-item__number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--accent);
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-item__label {
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ----------------------------------------------------------
   About Blurb
   ---------------------------------------------------------- */
.about-blurb {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.about-blurb p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
}

/* ----------------------------------------------------------
   Sponsor Strip
   ---------------------------------------------------------- */
.sponsor-strip {
  text-align: center;
}

.sponsor-strip__label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.sponsor-strip__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.sponsor-placeholder {
  width: 160px;
  height: 70px;
  background: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ----------------------------------------------------------
   Page Hero (inner pages)
   ---------------------------------------------------------- */
.page-hero {
  background:
    radial-gradient(ellipse 80% 100% at 50% -10%, rgba(204,0,0,0.1) 0%, transparent 60%),
    var(--bg-base);
  padding: 80px 0 60px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.page-hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.page-hero__title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
}

.page-hero__desc {
  color: var(--text-secondary);
  max-width: 540px;
  margin: 1rem auto 0;
  font-size: 1.05rem;
}

/* ----------------------------------------------------------
   Cards
   ---------------------------------------------------------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.card__photo {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.card__body {
  padding: 1.5rem;
}

.card__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(204,0,0,0.12);
  padding: 0.2em 0.7em;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

.card__title {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.card__subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.card__desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.card__specs {
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.spec-item__label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.spec-item__value {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.card__results {
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  margin-top: 1rem;
}

.card__results-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.card__results p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* ----------------------------------------------------------
   Grid Layouts
   ---------------------------------------------------------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.grid-robots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* ----------------------------------------------------------
   Person Card
   ---------------------------------------------------------- */
.person-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}

.person-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
}

.person-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 2px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.person-card__name {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.person-card__role {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.person-card__company {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ----------------------------------------------------------
   Timeline
   ---------------------------------------------------------- */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0.55rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), rgba(204,0,0,0.1));
}

.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
  padding-left: 1.5rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.475rem;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(204,0,0,0.2);
}

.timeline-item--placeholder::before {
  background: var(--text-muted);
  box-shadow: 0 0 0 3px rgba(107, 107, 136, 0.2);
}

.timeline-item__year {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

.timeline-item--placeholder .timeline-item__year {
  color: var(--text-muted);
}

.timeline-item__content {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.timeline-item--placeholder .timeline-item__content {
  color: var(--text-muted);
  font-style: italic;
}

/* ----------------------------------------------------------
   Seasons Table
   ---------------------------------------------------------- */
.seasons-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.seasons-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.seasons-table thead {
  background: var(--bg-card);
}

.seasons-table th {
  padding: 1rem 1.25rem;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.seasons-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: top;
}

.seasons-table tbody tr:last-child td {
  border-bottom: none;
}

.seasons-table tbody tr:hover td {
  background: rgba(255,255,255,0.02);
}

.seasons-table .year-cell {
  font-weight: 800;
  color: var(--accent);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.seasons-table .theme-cell {
  color: var(--text-primary);
  font-weight: 600;
}

.seasons-table .placeholder-row td {
  color: var(--text-muted);
  font-style: italic;
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.2em 0.6em;
  border-radius: 4px;
  margin: 0.15rem 0.15rem 0.15rem 0;
}

.badge--award {
  background: rgba(204,0,0,0.15);
  color: #e57373;
  border: 1px solid rgba(204,0,0,0.3);
}

.badge--result {
  background: rgba(21,101,192,0.12);
  color: #64b5f6;
  border: 1px solid rgba(21,101,192,0.25);
}

.badge--world {
  background: rgba(120,80,220,0.15);
  color: #a78bfa;
  border: 1px solid rgba(120,80,220,0.3);
}

/* ----------------------------------------------------------
   Sponsor Tiers
   ---------------------------------------------------------- */
.sponsor-tiers {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.sponsor-tier {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.sponsor-tier__header {
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.sponsor-tier--gold .sponsor-tier__header { background: rgba(255, 196, 0, 0.08); border-bottom: 1px solid rgba(255,196,0,0.2); }
.sponsor-tier--silver .sponsor-tier__header { background: rgba(180,180,200,0.06); border-bottom: 1px solid rgba(180,180,200,0.15); }
.sponsor-tier--bronze .sponsor-tier__header { background: rgba(180,100,60,0.08); border-bottom: 1px solid rgba(180,100,60,0.2); }
.sponsor-tier--inkind .sponsor-tier__header { background: rgba(80,180,120,0.06); border-bottom: 1px solid rgba(80,180,120,0.15); }

.tier-name {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.sponsor-tier--gold .tier-name { color: #ffc400; }
.sponsor-tier--silver .tier-name { color: #c0c0d0; }
.sponsor-tier--bronze .tier-name { color: #c87040; }
.sponsor-tier--inkind .tier-name { color: #6ecf94; }

.tier-amount {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.sponsor-tier__benefits {
  background: var(--bg-card);
  padding: 1.5rem 2rem;
}

.sponsor-tier__benefits ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

.sponsor-tier__benefits li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.sponsor-tier__benefits li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  font-size: 0.8rem;
}

.sponsor-tier__logos {
  background: var(--bg-surface);
  padding: 1.5rem 2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  border-top: 1px solid var(--border);
}

/* ----------------------------------------------------------
   Why Sponsor
   ---------------------------------------------------------- */
.why-sponsor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.why-card__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--accent);
  opacity: 0.9;
}

.why-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.why-card__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ----------------------------------------------------------
   Join Page
   ---------------------------------------------------------- */
.join-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 2rem;
}

.join-section__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--accent);
  opacity: 0.85;
}

.join-section__title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.join-section__subtitle {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.learn-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.learn-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.learn-list li::before {
  content: '→';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

.info-row {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.info-item__label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.info-item__value {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.contact-block {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
}

.contact-block__title {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.contact-details {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.contact-detail {
  text-align: left;
}

.contact-detail__label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.contact-detail__value {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition);
}

.social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ----------------------------------------------------------
   Mission Statement
   ---------------------------------------------------------- */
.mission-block {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(204,0,0,0.06) 100%);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 3rem;
  text-align: center;
}

.mission-block__quote {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 600;
  line-height: 1.7;
  color: var(--text-primary);
  max-width: 720px;
  margin: 0 auto;
  font-style: italic;
}

.mission-block__attr {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ----------------------------------------------------------
   Footer
   ---------------------------------------------------------- */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__brand .nav__logo-number {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  display: inline-block;
}

.footer__brand p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 260px;
  margin-top: 0.75rem;
}

.footer__col-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__links a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--accent);
}

.footer__bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__copy {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer__copy a {
  color: var(--text-muted);
}

.footer__first {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ----------------------------------------------------------
   Utility
   ---------------------------------------------------------- */
.divider {
  height: 1px;
  background: var(--border);
  margin: 3rem 0;
}

.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }

/* ----------------------------------------------------------
   Responsive
   ---------------------------------------------------------- */
@media (max-width: 1024px) {
  .grid-robots {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  :root {
    --section-pad: 56px;
  }

  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

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

  .stats-row {
    grid-template-columns: 1fr;
  }

  .why-sponsor-grid {
    grid-template-columns: 1fr;
  }

  .season-callout {
    flex-direction: column;
    text-align: center;
  }

  .learn-list {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .hero__logo-placeholder {
    width: 90px;
    height: 90px;
    font-size: 1.6rem;
  }

  .contact-details {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
  }

  .mission-block {
    padding: 2rem 1.5rem;
  }

  .join-section {
    padding: 1.75rem;
  }

  .info-row {
    flex-direction: column;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .hero__cta {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .season-callout {
    padding: 1.5rem;
  }

  .sponsor-tier__benefits ul {
    flex-direction: column;
  }
}

/* ----------------------------------------------------------
   Light Theme Override
   ---------------------------------------------------------- */
html[data-theme="light"] {
  --bg-base:       #f3f5f9;
  --bg-surface:    #e8edf4;
  --bg-card:       #ffffff;
  --bg-card-hover: #f0f4fa;
  --accent-blue:   #1565C0;
  --accent-blue-dark: #0d47a1;
  --accent-glow:   rgba(204, 0, 0, 0.10);
  --text-primary:  #1a1e2e;
  --text-secondary:#4a5568;
  --text-muted:    #718096;
  --border:        rgba(0, 0, 0, 0.09);
  --border-accent: rgba(204, 0, 0, 0.30);
  --shadow:        0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-card:   0 8px 32px rgba(0, 0, 0, 0.10);
  /* Cards that need to stay readable in light mode */
  --text-on-dark:  #1a1e2e;
}

/* Dark theme explicit (default — ensures the variable is set) */
html[data-theme="dark"],
:root {
  --text-on-dark: #ffffff;
}

/* In light mode: nav needs border to be visible */
html[data-theme="light"] .nav {
  background: rgba(243, 245, 249, 0.96);
  border-bottom: 1px solid rgba(0,0,0,0.10);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

/* Sponsor cards need readable text in light mode */
html[data-theme="light"] .sponsor-name-card {
  color: var(--text-primary) !important;
  border-color: rgba(0,0,0,0.15) !important;
}

/* ----------------------------------------------------------
   Theme Toggle Button
   ---------------------------------------------------------- */
.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  margin-left: 0.5rem;
  transition: var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover {
  color: var(--text-primary);
  border-color: var(--accent);
  background: var(--accent-glow);
}
.theme-toggle svg {
  width: 16px;
  height: 16px;
}

/* ----------------------------------------------------------
   Alumni page — light mode fixes
   ---------------------------------------------------------- */
html[data-theme="light"] .usafa-spotlight {
  background: linear-gradient(135deg, rgba(0, 48, 135, 0.08) 0%, rgba(204, 0, 0, 0.05) 100%);
  border-color: rgba(0, 100, 255, 0.2);
}

html[data-theme="light"] .usafa-spotlight__badge {
  background: rgba(0, 100, 255, 0.10);
  border-color: rgba(0, 100, 255, 0.25);
}