/* --------------------------------------------------
   ROOT VARIABLES — LIGHT MODE (DEFAULT)
-------------------------------------------------- */
:root {
  --background: #F5DEB3;   /* Beige */
  --foreground: #001A33;   /* Deep ocean blue */
  --card: #F2D7A0;         /* Soft beige */
  --muted: #4A5A6A;        /* Muted blue-gray */

  --primary: #1DA1F2;      /* Reef blue */
  --secondary: #FF6F61;    /* Coral */
  --accent: #2ECC71;       /* Turtle green */

  --radius: 0.75rem;
  --spacing: 1rem;         /* New: For consistent margins/paddings */
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* --------------------------------------------------
   DARK MODE OVERRIDES
-------------------------------------------------- */
body.dark {
  --background: #001A33;   /* Deep ocean blue */
  --foreground: #F5DEB3;   /* Beige */
  --card: #00264D;         /* Darker blue */
  --muted: #CBBFA5;        /* Soft beige-gray */
}

/* --------------------------------------------------
   BASE STYLES
-------------------------------------------------- */
* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  transition: background 0.4s ease, color 0.4s ease;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover, a:focus {
  color: var(--secondary);
  text-decoration: underline;
}

.page-content {
  max-width: 1000px;
  margin: calc(2 * var(--spacing)) auto calc(3 * var(--spacing));
  padding: 0 var(--spacing);
}

/* --------------------------------------------------
   HERO SECTION
-------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: calc(3 * var(--spacing)) var(--spacing) calc(4 * var(--spacing));
  background: url("reef.jpg") center/cover no-repeat;
  background-attachment: fixed;
  color: var(--foreground);
}

/* Gradient overlay - reduced opacity for better text visibility */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(245, 222, 179, 0.5), /* Lowered from 0.6 */
    rgba(245, 222, 179, 0.8)  /* Lowered from 0.95 */
  );
  z-index: 0;
}

body.dark .hero::before {
  background: linear-gradient(
    to bottom,
    rgba(0, 26, 51, 0.5),
    rgba(0, 26, 51, 0.8)
  );
}

/* HERO VIDEO — FIXED */
#hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;        /* Behind overlay */
  opacity: 0.4;       /* Slightly lowered for less washout */
}

/* Hide video on mobile for performance */
@media (max-width: 768px) {
  #hero-video {
    display: none;
  }
}

/* HERO CONTENT - added text-shadow for contrast */
.hero-content {
  max-width: 800px;
  margin: calc(3 * var(--spacing)) auto 0;
  text-align: center;
  position: relative;
  z-index: 2;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2); /* Improves readability over gradient */
}

.hero-content h1 {
  font-size: 2.4rem;
  margin-bottom: var(--spacing);
}

.hero-content p {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 650px;
  margin: 0 auto calc(1.5 * var(--spacing));
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing);
  flex-wrap: wrap;
}

.hero-stats {
  margin-top: calc(2 * var(--spacing));
  display: flex;
  justify-content: center;
  gap: calc(2 * var(--spacing));
  flex-wrap: wrap;
}

.counter {
  display: block;
  font-size: 2rem;
  color: var(--secondary);
  font-weight: 700;
}

/* --------------------------------------------------
   HEADER & NAVIGATION
-------------------------------------------------- */
.main-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing) calc(1.5 * var(--spacing));
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(12px);
  color: var(--foreground);
  position: relative;
  z-index: 10;
}

body.dark .main-header {
  background: rgba(0, 0, 0, 0.35);
}

.brand {
  font-size: 1.8rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: calc(1.5 * var(--spacing));
}

.nav-links a {
  color: var(--foreground);
  font-size: 0.95rem;
  opacity: 0.9;
}

.nav-links a:hover {
  opacity: 1;
  color: var(--secondary);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--foreground);
  font-size: 1.4rem;
  cursor: pointer;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Dark mode toggle - kept as previous (static in HTML) */
.dark-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--card);
  border-radius: 999px;
  padding: 0.15rem 0.5rem;
  cursor: pointer;
}

.dark-switch input {
  display: none;
}

.dark-icon {
  font-size: 1rem;
}

/* Token badge */
.badge-airlie {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: var(--primary);
  color: white;
  font-weight: 600;
  box-shadow: 0 0 10px rgba(29, 161, 242, 0.6);
}

.badge-airlie img {
  width: 20px;
  height: 20px;
  border-radius: 50%;
}

/* --------------------------------------------------
   TYPOGRAPHY
-------------------------------------------------- */
h2 {
  color: var(--accent);
  margin-bottom: 0.7rem;
  font-size: 1.6rem;
}

h3 {
  color: var(--secondary);
  margin-bottom: 0.4rem;
  font-weight: 600;
}

strong {
  color: var(--primary);
  font-weight: 700;
}

/* --------------------------------------------------
   BUTTONS
-------------------------------------------------- */
.section-button {
  display: inline-block;
  padding: 0.55rem 1.2rem;
  background: var(--primary);
  color: white;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transition: 0.2s ease;
}

.section-button:hover {
  transform: scale(1.05);
}

.section-button.alt {
  background: var(--secondary);
}

/* Pill link */
.pill-link {
  display: inline-block;
  padding: 0.25rem 0.9rem;
  background: var(--secondary);
  color: white;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
}

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

/* TEAM SECTION */
.team {
  text-align: center;
}

.team-card {
  padding: 1rem;
}

.team-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
  display: block;
  margin: 0 auto 0.75rem;
  border: 3px solid var(--background);
  box-shadow: 0 3px 10px rgba(0,0,0,0.15);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.team-photo:hover {
  transform: scale(1.05);
  box-shadow: 0 5px 16px rgba(0,0,0,0.25);
}

.team-card h3 {
  margin-top: 0.5rem;
  margin-bottom: 0.25rem;
  color: var(--secondary);
}

.team-card p {
  color: var(--foreground);
  opacity: 0.85;
  font-size: 0.95rem;
}

/* Social icons */
.social-icons {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.social-icons a {
  background: var(--card);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  color: var(--foreground);
}

/* --------------------------------------------------
   ANIMATIONS
-------------------------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------
   FOOTER
-------------------------------------------------- */
footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
  font-size: 0.85rem;
}

/* --------------------------------------------------
   RESPONSIVE
-------------------------------------------------- */
@media (max-width: 768px) {
  .three-columns {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: inline-block;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    background: var(--card);
    padding: 1rem;
    border-radius: var(--radius);
    position: absolute;
    top: 3.5rem;
    right: 1rem;
  }

  .nav-links.open {
    display: flex;
  }

  .team-photo {
    width: 100px;
    height: 100px;
  }

}