/* ── Design Tokens ── */
:root {
  --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, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3.5rem, 1rem + 8vw, 9rem);

  --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;

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

  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* FireLink Brand Palette */
  --color-bg: #07080F;
  --color-surface: #0D0F1C;
  --color-surface-2: #12172B;
  --color-border: #1E2340;
  --color-text: #EAEAF5;
  --color-text-muted: #8892A4;
  --color-text-faint: #3D4560;
  --color-cyan: #00F5FF;
  --color-cyan-dim: rgba(0, 245, 255, 0.15);
  --color-cyan-glow: rgba(0, 245, 255, 0.08);
  --color-orange: #FF5C00;
  --color-orange-dim: rgba(255, 92, 0, 0.15);
  --color-orange-glow: rgba(255, 92, 0, 0.08);
  --color-orange-light: #FFB347;

  --font-display: 'Barlow Condensed', 'Barlow', 'Impact', sans-serif;
  --font-body: 'Barlow', 'Helvetica Neue', sans-serif;

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

/* ── Base Reset ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-padding-top: var(--space-16);
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
}
img, svg { display: block; max-width: 100%; }
ul[role="list"] { list-style: none; }
input, button, select { font: inherit; color: inherit; }
h1,h2,h3,h4,h5,h6 { text-wrap: balance; line-height: 1.1; }
p, li { text-wrap: pretty; max-width: 68ch; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }

/* ── Layout Helpers ── */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-12));
}
.container-narrow {
  max-width: var(--content-narrow);
}

/* ── Section Labels ── */
.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: var(--space-3);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.05;
  margin-bottom: var(--space-6);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--color-orange);
  color: #fff;
  border-color: var(--color-orange);
}
.btn-primary:hover {
  background: transparent;
  color: var(--color-orange);
  box-shadow: 0 0 20px var(--color-orange-dim);
}
.btn-ghost {
  background: transparent;
  color: var(--color-cyan);
  border-color: var(--color-cyan);
}
.btn-ghost:hover {
  background: var(--color-cyan-dim);
  box-shadow: 0 0 20px var(--color-cyan-glow);
}
.btn-large {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-base);
}

/* ── Header ── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(7, 8, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-3) clamp(var(--space-4), 5vw, var(--space-12));
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.logo-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  object-fit: contain;
}
.logo-wordmark {
  height: 28px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}
.header-badge {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-cyan);
  border: 1px solid var(--color-cyan);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,245,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,245,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.glow-cyan {
  width: 500px;
  height: 500px;
  top: -100px;
  left: -100px;
  background: radial-gradient(circle, rgba(0,245,255,0.12) 0%, transparent 70%);
}
.glow-orange {
  width: 600px;
  height: 600px;
  bottom: -150px;
  right: -150px;
  background: radial-gradient(circle, rgba(255,92,0,0.10) 0%, transparent 70%);
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-8) clamp(var(--space-4), 5vw, var(--space-12));
  max-width: 900px;
}
.hero-icon-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-6);
}
.hero-icon {
  width: clamp(80px, 12vw, 140px);
  height: auto;
  filter: drop-shadow(0 0 24px rgba(255,92,0,0.5)) drop-shadow(0 0 48px rgba(255,92,0,0.2));
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.hero-eyebrow {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: var(--space-5);
}
.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 900;
  font-style: italic;
  line-height: 0.95;
  margin-bottom: var(--space-4);
}
.hero-title-fire {
  color: var(--color-orange);
  text-shadow: 0 0 40px rgba(255,92,0,0.5), 0 0 80px rgba(255,92,0,0.2);
}
.hero-title-link {
  color: var(--color-text);
}
.hero-title-sub {
  display: block;
  font-size: clamp(1.2rem, 3vw, 2.5rem);
  font-weight: 700;
  font-style: normal;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}
.hero-tagline {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  font-weight: 400;
}
.hero-cta-group {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}
.scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ── Mission ── */
.mission {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  border-top: 1px solid var(--color-border);
}
.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}
@media (max-width: 768px) {
  .mission-grid { grid-template-columns: 1fr; }
}
.mission-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.mission-body p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.75;
}
.mission-closing {
  color: var(--color-text) !important;
  font-size: var(--text-lg) !important;
}
.mission-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
  transition: all var(--transition);
}
.stat-card:hover {
  border-color: var(--color-cyan);
  box-shadow: 0 0 20px var(--color-cyan-glow);
  transform: translateY(-2px);
}
.stat-icon { font-size: 2rem; }
.stat-label {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
}

/* ── Support / Tiers ── */
.support {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  border-top: 1px solid var(--color-border);
  background: linear-gradient(180deg, transparent, rgba(255,92,0,0.03) 50%, transparent);
}
.support-intro {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-12);
  max-width: 680px;
}
.support-intro strong { color: var(--color-orange); }
.tiers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-12);
}
.tier-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.tier-card:hover {
  border-color: var(--color-cyan);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,245,255,0.08);
}
.tier-card.tier-featured {
  border-color: var(--color-orange);
  background: linear-gradient(135deg, var(--color-surface), rgba(255,92,0,0.05));
}
.tier-card.tier-featured:hover {
  border-color: var(--color-orange);
  box-shadow: 0 8px 32px rgba(255,92,0,0.12);
}
.tier-card.tier-elite {
  border-color: var(--color-cyan);
  background: linear-gradient(135deg, var(--color-surface), rgba(0,245,255,0.05));
  grid-column: 1 / -1;
}
@media (max-width: 600px) {
  .tier-card.tier-elite { grid-column: 1; }
}
.tier-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-orange);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.tier-amount {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 900;
  color: var(--color-orange);
  line-height: 1;
}
.tier-elite .tier-amount { color: var(--color-cyan); }
.tier-name {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
}
.tier-perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-2);
}
.tier-perks li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-5);
  position: relative;
  max-width: 100%;
}
.tier-perks li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-cyan);
  font-size: 0.75em;
}
.tier-elite .tier-perks li::before { color: var(--color-cyan); }
.donate-cta {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.donate-cta p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 100%;
}
.donate-note {
  font-size: var(--text-xs) !important;
  color: var(--color-text-faint) !important;
}

/* ── Email Signup ── */
.signup {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
  border-top: 1px solid var(--color-border);
  text-align: center;
  background: linear-gradient(180deg, transparent, rgba(0,245,255,0.03) 50%, transparent);
}
.signup .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.signup-intro {
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  font-size: var(--text-base);
}
.signup-form {
  display: flex;
  gap: var(--space-3);
  width: 100%;
  max-width: 480px;
  flex-wrap: wrap;
  justify-content: center;
}
.email-input {
  flex: 1;
  min-width: 220px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.email-input::placeholder { color: var(--color-text-faint); }
.email-input:focus {
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px var(--color-cyan-dim);
}
.signup-disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}
.signup-success {
  display: none;
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-6);
  background: rgba(0,245,255,0.1);
  border: 1px solid var(--color-cyan);
  border-radius: var(--radius-full);
  color: var(--color-cyan);
  font-weight: 700;
  font-size: var(--text-sm);
}
.signup-success.show { display: block; }

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-8);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.logo-icon-sm {
  width: 28px;
  height: 28px;
  object-fit: contain;
}
.footer-logo-wordmark {
  height: 22px;
  width: auto;
  object-fit: contain;
}
.footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer-links a {
  color: var(--color-cyan);
  transition: opacity var(--transition);
}
.footer-links a:hover { opacity: 0.7; }
.footer-divider { color: var(--color-text-faint); }
.footer-social {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin: 0.5rem 0;
}
.footer-social a {
  color: var(--color-text-faint);
  transition: color 0.2s;
  display: flex;
  align-items: center;
}
.footer-social a:hover {
  color: var(--color-cyan);
}
.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ── Scroll Animations ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 480px) {
  .hero-cta-group { flex-direction: column; align-items: center; }
  .mission-stats { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}