:root {
  --bg: #0b1220;
  --card-bg: #111a2e;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #3b82f6;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  background: rgba(11, 18, 32, 0.9);
  backdrop-filter: blur(10px);
  z-index: 100;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--accent);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

nav a {
  text-decoration: none;
  color: var(--text);
  transition: color 0.3s;
}

nav a:hover {
  color: var(--accent);
}

nav a.active {
  color: var(--accent);
}


/* Hero */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  text-align: center;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero-content p {
  color: var(--muted);
  margin-bottom: 2rem;
}

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

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--accent);
  color: white;
  text-decoration: none;
  border-radius: 6px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(59,130,246,0.3);
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: linear-gradient(
    180deg,
    rgba(17,26,46,0.95),
    rgba(11,18,32,0.95)
  );
  border: 1px solid rgba(255,255,255,0.04);
  padding: 1.5rem;
  border-radius: 12px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow:
    0 20px 40px rgba(0,0,0,0.5),
    0 0 0 1px rgba(59,130,246,0.25);
}

.project-card h3 {
  margin-bottom: 0.5rem;
}

.project-card p {
  color: var(--muted);
}

/* Contact */
.contact-links {
  display: flex;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.contact-links a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.contact-links a:hover {
  text-decoration: underline;
}

/* Footer */
.footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Mobile */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.2rem;
  }

  nav ul {
    gap: 1rem;
  }
}

/* Project preview videos */
.video-wrapper {
  position: relative; 
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 1rem;
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

/* Blurred background layer */
.video-wrapper::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--card-bg);
  z-index: 0;
}

.video-wrapper video {
position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: transparent;
}

/* Subtle hover effect (desktop only) */
@media (hover: hover) {
  .project-card:hover .video-wrapper video {
    transform: scale(1.03);
    transition: transform 0.4s ease;
  }
}


/* Project action buttons */
.project-actions {
  margin-top: 1rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Smaller button variant for cards */
.btn-small {
  padding: 0.55rem 1rem;
  font-size: 0.95rem;
  border-radius: 8px;
  line-height: 1;
}

/* Mobile: make button full-width for a clean look */
@media (max-width: 768px) {
  .project-actions .btn {
    width: 100%;
    text-align: center;
  }
}


.btn-disabled {
  background: rgba(59,130,246,0.3);
  color: var(--text);
  cursor: default;
  pointer-events: none;
}


.project-tag {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.25rem 0.6rem;
  font-size: 0.9rem;
  color: var(--accent);
  border: 1px solid rgba(59,130,246,1);
  border-radius: 999px;
}