/* =============================================================
   Fintech Wave — fintech-wave-style.css
   Dark fintech aesthetic: deep navy/black, cyan & gold accents
   Orbitron display font + Exo 2 body
   ============================================================= */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg-base:       #080d14;
  --bg-surface:    #0d1622;
  --bg-card:       #111b2a;
  --border:        #1e3050;
  --accent-cyan:   #00d4e8;
  --accent-gold:   #f5c842;
  --accent-red:    #e63946;
  --text-primary:  #e8f0fe;
  --text-muted:    #6a85a8;
  --text-tag:      #00d4e8;
  --font-display:  'Orbitron', sans-serif;
  --font-body:     'Exo 2', sans-serif;
  --radius:        8px;
  --header-h:      62px;
  --footer-h:      46px;
  --transition:    0.22s ease;
}

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

html, body {
  height: 100%;
  overflow: hidden; /* single-screen, no scroll */
}

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  display: flex;
  flex-direction: column;
}

img { display: block; width: 100%; height: 100%; object-fit: cover; }
a   { text-decoration: none; color: inherit; }

/* ── Header ─────────────────────────────────────────────────── */
.site-header {
  height: var(--header-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--accent-cyan);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
  text-shadow: 0 0 12px rgba(0,212,232,0.4);
}

/* YouTube button */
.btn-yt {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-red);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 8px 18px;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-yt:hover {
  background: #c1121f;
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(230,57,70,0.45);
}
.yt-icon { width: 16px; height: 16px; flex-shrink: 0; }

/* ── Main content ────────────────────────────────────────────── */
.main-content {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 16px 24px 12px;
  gap: 14px;
}

/* ── Featured section ────────────────────────────────────────── */
.featured-section {
  flex: 0 0 auto;
  position: relative;
}

.featured-label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.featured-thumb {
  position: relative;
  height: 220px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.featured-thumb img {
  position: absolute;
  inset: 0;
  filter: brightness(0.55);
}

/* Play overlay */
.play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
  background: rgba(0,0,0,0.25);
  cursor: pointer;
}
.video-thumb:hover .play-overlay { opacity: 1; }

.play-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(0,212,232,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #000;
  box-shadow: 0 0 24px rgba(0,212,232,0.6);
  transition: transform var(--transition);
}
.play-btn:hover { transform: scale(1.12); }

/* Featured meta overlay */
.video-meta-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 20px 24px 18px;
  background: linear-gradient(to top, rgba(8,13,20,0.95) 0%, transparent 100%);
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.video-tag {
  font-size: 0.7rem;
  color: var(--text-tag);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.featured-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.03em;
}

.featured-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.5;
}

.btn-watch {
  display: inline-block;
  margin-top: 4px;
  padding: 7px 20px;
  background: transparent;
  border: 1.5px solid var(--accent-cyan);
  color: var(--accent-cyan);
  font-family: var(--font-display);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: var(--radius);
  align-self: flex-start;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.btn-watch:hover {
  background: var(--accent-cyan);
  color: #000;
  box-shadow: 0 0 16px rgba(0,212,232,0.5);
}

/* ── Video grid section ───────────────────────────────────────── */
.video-grid-section { flex: 1; overflow: hidden; display: flex; flex-direction: column; margin-top: 28px; }

.section-heading {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  flex: 1;
}

/* ── Video card ──────────────────────────────────────────────── */
.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: fit-content;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}
.video-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,212,232,0.12);
}

.video-card .video-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  flex-shrink: 0;
}
.video-card .video-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.85);
  transition: filter var(--transition);
}
.video-card:hover .video-thumb img { filter: brightness(1); }

.card-info {
  padding: 10px 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card-tag {
  font-size: 0.65rem;
  color: var(--text-tag);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.card-title {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.card-views {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: auto;
}

/* ── Footer ──────────────────────────────────────────────────── */
.site-footer {
  height: var(--footer-h);
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-copy {
  font-size: 0.65rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-shrink: 0;
}

.footer-links a {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--accent-cyan);
  letter-spacing: 0.04em;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent-gold); }

/* ── Scanline/grid overlay for atmosphere ────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0,212,232,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,232,0.015) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 0;
}
.site-header, .main-content, .site-footer { position: relative; z-index: 1; }

/* ── Card link wrapper ───────────────────────────────────────── */
.card-link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  height: 100%;
}
.card-link:hover { text-decoration: none; }