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

/* ── Base ───────────────────────────────────── */
body {
  font-family: 'Inter', sans-serif;
  background: #dfe1e8;
  color: #1a1a2e;
  -webkit-font-smoothing: antialiased;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 40px 20px;
}

/* ── Page shell ─────────────────────────────── */
.page-shell {
  background: #fff;
  width: 100%;
  max-width: 420px;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 8px 48px rgba(0,0,0,0.12);
}

/* ── Hero ───────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 60%, #0f3460 100%);
  color: #fff;
  padding: 20px 24px 16px;
  text-align: center;
}

.hero-inner {
  max-width: 500px;
  margin: 0 auto;
}

.badge {
  display: inline-block;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 5px 14px;
  margin-bottom: 20px;
  color: rgba(255,255,255,0.85);
}

.hero h1 {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 6px;
}

.tagline {
  font-size: 0.9rem;
  line-height: 1.4;
  color: rgba(255,255,255,0.70);
}

/* ── Main ───────────────────────────────────── */
main {
  padding: 20px 20px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

/* ── Video card ─────────────────────────────── */
.video-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.10);
  overflow: hidden;
  width: 100%;
  /* Vertical video: cap width so it doesn't go too wide */
  max-width: 171px;
}

/* 9:16 aspect ratio for vertical video */
.video-wrapper {
  position: relative;
  padding-bottom: 177.78%;
  height: 0;
  overflow: hidden;
  background: #000;
}

.video-wrapper video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── Tech chips ─────────────────────────────── */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  max-width: 380px;
  width: 100%;
}

.chip {
  font-size: 0.75rem;
  font-weight: 600;
  color: #0f3460;
  background: #eef2ff;
  border-radius: 99px;
  padding: 5px 13px;
  letter-spacing: 0.3px;
}

/* ── LinkedIn button ────────────────────────── */
.linkedin-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 26px;
  background: #0a66c2;
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 99px;
  box-shadow: 0 2px 12px rgba(10,102,194,0.30);
  transition: background 0.18s, box-shadow 0.18s, transform 0.15s;
}

.linkedin-btn:hover {
  background: #004182;
  box-shadow: 0 4px 20px rgba(10,102,194,0.40);
  transform: translateY(-1px);
}

/* ── Footer ─────────────────────────────────── */
footer {
  text-align: center;
  padding: 0 24px 24px;
  font-size: 0.75rem;
  color: #aaa;
}

footer a {
  color: #aaa;
  text-decoration: none;
}

footer a:hover {
  color: #666;
  text-decoration: underline;
}

/* ── Mobile-first: iPhone 15 (393px) ────────── */
@media (max-width: 430px) {
  body {
    background: #fff;
    padding: 0;
    align-items: stretch;
  }

  .page-shell {
    max-width: 100%;
    border-radius: 0;
    box-shadow: none;
  }

  .hero {
    padding: 16px 20px 12px;
  }

  .hero h1 {
    font-size: 1.4rem;
  }

  .tagline {
    font-size: 0.85rem;
  }

  main {
    padding: 16px 16px 24px;
    gap: 16px;
  }

  .video-card {
    border-radius: 16px;
    /* 25% smaller than full-width on mobile */
    max-width: 67.5%;
  }
}