:root {
  --bg: #0f1115;
  --bg-alt: #161922;
  --card: #1b1f2a;
  --text: #eef0f4;
  --text-dim: #a3a9b8;
  --accent: #5eead4;
  --accent-2: #818cf8;
  --border: #2a2f3d;
  --radius: 14px;
  --max-width: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header / Nav */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 17, 21, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.logo img {
  height: 40px;
  width: auto;
}

.logo span { color: var(--accent); }

nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}

nav a {
  color: var(--text-dim);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

nav a:hover,
nav a.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero */
.hero {
  padding: 100px 0 80px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin: 0 0 12px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  color: var(--text-dim);
  font-size: 1.15rem;
  max-width: 560px;
  margin: 0 auto 32px;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 999px;
  background: var(--accent);
  color: #0f1115;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(94, 234, 212, 0.25);
}

.btn.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  margin-left: 12px;
}

/* Sections */
section { padding: 64px 0; }

.section-title {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.section-sub {
  color: var(--text-dim);
  margin-bottom: 40px;
}

/* Cards grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.card h3 { margin-top: 0; }

.card p { color: var(--text-dim); margin-bottom: 0; }

.tag {
  display: inline-block;
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(94, 234, 212, 0.12);
  color: var(--accent);
  margin: 4px 6px 0 0;
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.gallery-item {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.gallery-item img { width: 100%; height: 100%; object-fit: cover; }

/* Video embed placeholder */
.video-frame {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-frame.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  position: static;
  padding-top: 0;
  aspect-ratio: 16 / 9;
}

/* About page */
.about-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  align-items: start;
}

.avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

@media (max-width: 640px) {
  .about-grid { grid-template-columns: 1fr; }
  .avatar { max-width: 180px; margin: 0 auto; }
}

/* Contact */
.contact-form {
  display: grid;
  gap: 16px;
  max-width: 520px;
}

.contact-form label {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 6px;
  display: block;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
}

.contact-form textarea { min-height: 140px; resize: vertical; }

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 24px;
}

/* Social links */
.social-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 0.9rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.social-links a:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  margin-top: 40px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
}

footer .social-links {
  justify-content: center;
  margin-bottom: 20px;
}

/* Responsive nav */
@media (max-width: 768px) {
  .nav-toggle { display: block; }

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    display: none;
  }

  nav.open { display: block; }

  nav ul {
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 4px;
  }

  nav a { display: block; padding: 10px 0; }
}