/* style.css — custom styles, animations & utilities */

/* font fallback */
:root { --glass: rgba(255,255,255,0.04); }

/* Buttons */
.btn-primary {
  @apply inline-block bg-indigo-600 text-white px-4 py-2 rounded-lg font-medium transition transform;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(99,102,241,0.12); }

.btn-outline {
  @apply inline-block border border-indigo-500 text-indigo-200 px-4 py-2 rounded-lg font-medium transition;
}
.btn-outline:hover { transform: translateY(-3px); background: rgba(99,102,241,0.06); }

.btn-ghost {
  @apply inline-block text-indigo-200 px-4 py-2 rounded-lg font-medium;
}

/* layout custom */
.animated-gradient {
  position: absolute;
  inset: 0;
  z-index: -20;
  background: linear-gradient(120deg, rgba(12,10,22,0.6), rgba(30,15,60,0.6), rgba(18,24,39,0.6));
  background-size: 400% 400%;
  animation: slowGradient 14s ease infinite;
}
.animated-gradient-bg {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 20vh;
  background: linear-gradient(90deg, #6366f1, #a78bfa, #ec4899);
  background-size: 200% 200%;
  opacity: 0.5;
  animation: gradientMove 5s ease infinite;
  z-index: 0;
  pointer-events: none;
}
@keyframes gradientMove {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}
.animate-spin-slow {
  animation: spin 3s linear infinite;
}
.animate-spin-reverse {
  animation: spin-reverse 5s linear infinite;
}
@keyframes spin {
  100% { transform: rotate(360deg); }
}
@keyframes spin-reverse {
  100% { transform: rotate(-360deg); }
}


@keyframes slowGradient {
  0% { background-position: 0% 50%;}
  50% { background-position: 100% 50%;}
  100% { background-position: 0% 50%;}
}

/* soft wave overlay — using SVG background (keeps size small) */
.wave-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  z-index: -10;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="1600" height="200" viewBox="0 0 1600 200"><path fill="%2310263a" fill-opacity="0.12" d="M0,120 C200,200 400,40 800,80 C1200,120 1400,40 1600,120 L1600 200 L0 200 Z"/></svg>');
  background-repeat: repeat-x;
  background-size: 800px 200px;
  animation: waveMove 18s linear infinite;
  opacity: 0.6;
}

@keyframes waveMove {
  from { background-position-x: 0; }
  to { background-position-x: 800px; }
}

/* fade-in visible */
.fade-section { opacity: 0; transform: translateY(20px); transition: all 700ms cubic-bezier(.2,.9,.2,1); }
.fade-section.visible { opacity: 1; transform: translateY(0); }

/* skill card */
.skill-card {
  @apply bg-gray-800/70 rounded-2xl p-4 text-center font-semibold text-indigo-100 shadow-md hover:scale-105 transition transform;
}

/* project card */
.project-card {
  @apply bg-gray-800/60 rounded-2xl p-4 flex flex-col sm:flex-row sm:justify-between items-start gap-4 shadow-md hover:shadow-lg transition;
}

/* certificate card */
.cert-card {
  @apply bg-gray-800/60 rounded-xl p-4 flex items-start gap-4 shadow-md;
}
.cert-icon { font-size: 28px; }

/* small buttons */
.btn-sm { @apply inline-block px-3 py-2 rounded-lg text-white font-medium; }

/* nav link style */
.nav-link {
  color: rgba(226,232,240,0.9);
  padding: 6px 10px;
  border-radius: 8px;
  transition: background 180ms ease, color 180ms ease;
}
.nav-link:hover { background: rgba(99,102,241,0.12); color: white; }

/* mobile menu override */
#mobile-menu a { display: block; color: #cbd5e1; padding: 10px 0; }

/* responsiveness tweaks */
@media (max-width:640px) {
  header img { width: 120px; height:120px; }
  .nav-link { padding: 8px; }
}