/* ============================================================
   SponsorAssetHub — styles.css
   ============================================================ */

/* Custom properties */
:root {
  --blue: #2563EB;
  --blue-dark: #1D4ED8;
  --blue-light: #EFF6FF;
  --text-dark: #111827;
  --text-mid: #374151;
  --text-light: #6B7280;
  --text-xlight: #9CA3AF;
  --bg: #FFFFFF;
  --surface: #F9FAFB;
  --surface-alt: #F3F4F6;
  --border: #E5E7EB;
  --border-light: #F3F4F6;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow: 0 4px 12px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,.10);
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --max-w: 1100px;
  --header-h: 64px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-mid);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; }

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-dark);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.15rem; }
p { color: var(--text-mid); }

/* Utilities */
.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 24px;
}
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 22px;
  font-size: .9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s, box-shadow .15s;
  white-space: nowrap;
  line-height: 1;
}
.btn-primary {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
}
.btn-outline {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}
.btn-outline:hover, .btn-outline:focus-visible {
  background: var(--blue-light);
}
.btn-ghost {
  background: transparent;
  color: var(--text-mid);
  border-color: var(--border);
}
.btn-ghost:hover {
  background: var(--surface);
}
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-light);
  padding: 14px 4px;
  transition: color .15s;
  text-decoration: none;
}
.btn-text:hover { color: var(--text-dark); }
.btn-text:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; border-radius: 3px; }

/* Section spacing */
.section { padding: 80px 0; }
.section-sm { padding: 60px 0; }
.section-alt { background: var(--surface); }
.section-dark {
  background: #111827;
  color: #fff;
}
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark p { color: #D1D5DB; }

.section-label {
  display: inline-block;
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}
.section-header { margin-bottom: 56px; }
.section-header.centered { text-align: center; }
.section-header p {
  margin-top: 14px;
  font-size: 1.0625rem;
  max-width: 560px;
}
.section-header.centered p { margin-inline: auto; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.site-logo {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -0.03em;
  flex-shrink: 0;
}
.site-logo span { color: var(--blue); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.site-nav a {
  font-size: .9375rem;
  font-weight: 500;
  color: var(--text-mid);
  transition: color .15s;
}
.site-nav a:hover { color: var(--text-dark); }

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

/* Mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  color: var(--text-dark);
}
.nav-toggle svg { display: block; }

.mobile-nav {
  display: none;
  position: absolute;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  z-index: 99;
  box-shadow: var(--shadow-lg);
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block;
  padding: 10px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-mid);
  border-bottom: 1px solid var(--border-light);
}
.mobile-nav a:last-of-type { border-bottom: none; }
.mobile-nav .btn { width: 100%; margin-top: 16px; text-align: center; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 72px 0 80px;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-content {}
.hero-eyebrow {
  display: inline-block;
  background: var(--blue-light);
  color: var(--blue);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.hero h1 { margin-bottom: 20px; }
.hero-sub {
  font-size: 1.125rem;
  color: var(--text-mid);
  margin-bottom: 36px;
  max-width: 480px;
  line-height: 1.65;
}
.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.hero-note {
  font-size: .875rem;
  color: var(--text-light);
}

/* Hero mock UI */
.hero-visual {
  position: relative;
}
.mock-dashboard {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.mock-db-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.mock-db-dots {
  display: flex;
  gap: 5px;
}
.mock-db-dots span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--border);
  display: block;
}
.mock-db-dots span:nth-child(1) { background: #FC5F5A; }
.mock-db-dots span:nth-child(2) { background: #FDBC40; }
.mock-db-dots span:nth-child(3) { background: #34C749; }
.mock-db-title {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text-light);
  margin-left: auto;
  margin-right: auto;
}
.mock-db-body { padding: 20px 18px; }
.mock-event-label {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-xlight);
  margin-bottom: 14px;
}
.mock-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 18px;
}
.mock-stat {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}
.mock-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1;
  margin-bottom: 4px;
}
.mock-stat-value.warn { color: #D97706; }
.mock-stat-value.danger { color: #DC2626; }
.mock-stat-value.good { color: #059669; }
.mock-stat-label {
  font-size: .75rem;
  color: var(--text-light);
  font-weight: 500;
}
.mock-sponsors {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.mock-sponsor-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-light);
  gap: 10px;
}
.mock-sponsor-row:last-child { border-bottom: none; }
.mock-sponsor-name {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text-dark);
  flex: 1;
}
.mock-sponsor-pkg {
  font-size: .75rem;
  color: var(--text-light);
}
.mock-badge {
  display: inline-block;
  font-size: .6875rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
}
.badge-contracted { background: #DBEAFE; color: #1D4ED8; }
.badge-pending { background: #FEF3C7; color: #92400E; }
.badge-paid { background: #D1FAE5; color: #065F46; }
.badge-assets { background: #EDE9FE; color: #5B21B6; }

/* ============================================================
   PROBLEM
   ============================================================ */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.problem-copy h2 { margin-bottom: 20px; }
.problem-copy p { font-size: 1.0625rem; margin-bottom: 28px; line-height: 1.7; }
.problem-close {
  font-size: .9375rem;
  color: var(--text-mid);
  border-left: 3px solid var(--blue);
  padding-left: 16px;
  margin-top: 24px;
}
.problem-bullets { padding-top: 8px; }
.problem-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: .9375rem;
  color: var(--text-mid);
}
.problem-bullets li:last-child { border-bottom: none; }
.bullet-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #FEE2E2;
  color: #DC2626;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  font-size: 11px;
  font-weight: 700;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 14px);
  right: calc(12.5% + 14px);
  height: 2px;
  background: var(--border);
  z-index: 0;
}
.step {
  position: relative;
  text-align: center;
}
.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 1.125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px var(--surface);
}
.step h3 { margin-bottom: 10px; font-size: 1rem; }
.step p { font-size: .9rem; color: var(--text-light); line-height: 1.6; }

/* ============================================================
   FEATURES
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow .2s, border-color .2s;
}
.feature-card:hover {
  box-shadow: var(--shadow);
  border-color: #D1D5DB;
}
.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--blue);
}
.feature-card h3 { font-size: 1.0625rem; margin-bottom: 8px; }
.feature-card p { font-size: .9rem; color: var(--text-light); line-height: 1.65; }

/* ============================================================
   WHO IT'S FOR
   ============================================================ */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}
.audience-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: box-shadow .2s;
}
.audience-card:hover { box-shadow: var(--shadow-sm); }
.audience-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1;
}
.audience-card span {
  font-size: .9375rem;
  font-weight: 600;
  color: var(--text-dark);
}
.audience-note {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  font-size: 1.0625rem;
  color: var(--text-mid);
  line-height: 1.7;
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
  margin-bottom: 24px;
}
.pricing-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  transition: box-shadow .2s;
}
.pricing-card.featured {
  border-color: var(--blue);
  box-shadow: 0 0 0 2px var(--blue), var(--shadow-lg);
}
.pricing-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--blue);
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 999px;
  white-space: nowrap;
}
.pricing-name {
  font-size: .875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-light);
  margin-bottom: 8px;
}
.pricing-price {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 4px;
}
.pricing-price sub {
  font-size: 1rem;
  font-weight: 600;
  vertical-align: baseline;
}
.pricing-per {
  font-size: .85rem;
  color: var(--text-light);
  margin-bottom: 24px;
}
.pricing-features {
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .9rem;
  color: var(--text-mid);
}
.check-icon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #D1FAE5;
  color: #059669;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  font-size: 10px;
  font-weight: 700;
}
.pricing-card .btn { width: 100%; }
.pricing-note {
  text-align: center;
  font-size: .875rem;
  color: var(--text-light);
  font-style: italic;
}

/* ============================================================
   TRUST / WHY SECTION
   ============================================================ */
.trust-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.trust-point {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.trust-icon {
  width: 32px;
  height: 32px;
  background: var(--blue-light);
  color: var(--blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .875rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.trust-point strong {
  display: block;
  font-size: .9375rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
  line-height: 1.3;
}
.trust-point p {
  font-size: .875rem;
  color: var(--text-light);
  line-height: 1.6;
  margin: 0;
}

/* ============================================================
   FINAL CTA
   ============================================================ */
.final-cta {
  background: #111827;
  padding: 96px 0;
}
.final-cta h2 {
  color: #fff;
  max-width: 600px;
  margin: 0 auto 16px;
  text-align: center;
}
.final-cta-sub {
  color: #9CA3AF;
  text-align: center;
  font-size: 1.0625rem;
  max-width: 480px;
  margin: 0 auto 48px;
  line-height: 1.65;
}
.waitlist-form-wrap {
  max-width: 560px;
  margin: 0 auto;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group.full { grid-column: 1 / -1; }
label {
  font-size: .8125rem;
  font-weight: 600;
  color: #D1D5DB;
}
input, select {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-sm);
  color: #fff;
  padding: 10px 14px;
  font-size: .9375rem;
  transition: border-color .15s;
  width: 100%;
}
input::placeholder { color: #6B7280; }
input:focus, select:focus {
  outline: none;
  border-color: var(--blue);
  background: rgba(255,255,255,.09);
}
select option { background: #1F2937; color: #fff; }
.form-submit {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
  margin-top: 8px;
}
.form-error {
  font-size: .8125rem;
  color: #FCA5A5;
  margin-top: 4px;
  display: none;
}
.form-success {
  text-align: center;
  padding: 16px 0;
  display: none;
}
.form-success-icon {
  font-size: 2.5rem;
  margin-bottom: 14px;
}
.form-success h3 {
  color: #fff;
  margin-bottom: 10px;
}
.form-success p { color: #9CA3AF; }
.field-error { border-color: #F87171 !important; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-brand {}
.footer-logo {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}
.footer-logo span { color: var(--blue); }
.footer-tagline {
  font-size: .8125rem;
  color: var(--text-light);
}
.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: .875rem;
  color: var(--text-light);
  transition: color .15s;
}
.footer-links a:hover { color: var(--text-dark); }
.footer-copy {
  font-size: .8125rem;
  color: var(--text-xlight);
  width: 100%;
  padding-top: 20px;
  margin-top: 20px;
  border-top: 1px solid var(--border-light);
  text-align: center;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-visual { order: -1; }
  .hero h1 { font-size: 2rem; }
  .problem-grid { grid-template-columns: 1fr; gap: 40px; }
  .steps { grid-template-columns: 1fr 1fr; gap: 24px; }
  .steps::before { display: none; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .audience-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; }
  .trust-points { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 60px 0; }
  :root { --header-h: 60px; }

  .site-nav { display: none; }
  .header-actions .btn:not(.nav-cta-mobile) { display: none; }
  .nav-toggle { display: block; }

  .hero { padding: 48px 0 60px; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; text-align: center; }

  .steps { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .pricing-grid { max-width: 100%; }

  .form-grid { grid-template-columns: 1fr; }
  .waitlist-form-wrap { padding: 24px; }

  .footer-inner { flex-direction: column; align-items: flex-start; gap: 20px; }

  .section-header { margin-bottom: 36px; }
  h2 { font-size: 1.5rem; }
}

@media (min-width: 641px) and (max-width: 900px) {
  .header-actions .btn-outline { display: none; }
}