/* Deferred CSS - Loaded async for animations & below-fold */

/* Background Blobs */
.bg-blobs {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
  --scroll-x: 0px;
  --scroll-y: 0px;
  animation: float 20s infinite ease-in-out;
}
.blob-1 {
  width: 600px;
  height: 600px;
  background: #2563eb;
  top: calc(-200px + var(--scroll-y));
  right: calc(-200px - var(--scroll-x));
}
.blob-2 {
  width: 500px;
  height: 500px;
  background: #0ea5e9;
  bottom: calc(-150px - var(--scroll-y));
  left: calc(-150px + var(--scroll-x));
  animation-delay: -10s;
}
.blob-3 {
  width: 400px;
  height: 400px;
  background: #2563eb;
  top: calc(50% + var(--scroll-y));
  left: calc(50% + var(--scroll-x));
  transform: translate(-50%, -50%);
  animation-delay: -5s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* Scroll Animations */
[data-animate] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-animate].visible {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1) rotate(0);
}

/* Animation variants */
[data-animate="left"] { transform: translateX(-50px); }
[data-animate="right"] { transform: translateX(50px); }
[data-animate="scale"] { transform: scale(0.9); }
[data-animate="scale-up"] { transform: scale(0.8) translateY(20px); }
[data-animate="fade"] { transform: none; }
[data-animate="blur"] {
  transform: translateY(20px);
  filter: blur(10px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1), filter 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-animate="blur"].visible { filter: blur(0); }

/* Stagger delays */
[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }
[data-delay="4"] { transition-delay: 0.4s; }
[data-delay="5"] { transition-delay: 0.5s; }
[data-delay="6"] { transition-delay: 0.6s; }
[data-delay="7"] { transition-delay: 0.7s; }
[data-delay="8"] { transition-delay: 0.8s; }

/* Section titles - slide with line */
h2[data-animate="left"] {
  position: relative;
}
h2[data-animate="left"]::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #2563eb, transparent);
  transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s;
}
h2[data-animate="left"].visible::after {
  width: 60px;
}

/* Hero entrance animations */
.hero-animate {
  opacity: 0;
  transform: translateY(30px);
  animation: heroFadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: calc(var(--delay) * 0.15s + 0.2s);
}

@keyframes heroFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Typing Animation */
.typing-text::after {
  content: '|';
  animation: blink 1s infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* About Section */
.about-grid {
  margin-top: 2rem;
}
.about-text {
  max-width: 650px;
}
.about-text p {
  font-size: 1.1rem;
  line-height: 1.8;
}

/* Skills Section */
.skills-grid {
  display: grid;
  gap: 2rem;
}
.skill-group h3 {
  color: #2563eb;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.skill-tag {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  color: #a0a0b0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  opacity: 0;
  transform: translateY(10px);
}
.skill-group.visible .skill-tag {
  opacity: 1;
  transform: translateY(0);
}
.skill-group.visible .skill-tag:nth-child(1) { transition-delay: 0.1s; }
.skill-group.visible .skill-tag:nth-child(2) { transition-delay: 0.15s; }
.skill-group.visible .skill-tag:nth-child(3) { transition-delay: 0.2s; }
.skill-group.visible .skill-tag:nth-child(4) { transition-delay: 0.25s; }
.skill-group.visible .skill-tag:nth-child(5) { transition-delay: 0.3s; }
.skill-group.visible .skill-tag:nth-child(6) { transition-delay: 0.35s; }
.skill-group.visible .skill-tag:nth-child(7) { transition-delay: 0.4s; }
.skill-group.visible .skill-tag:nth-child(8) { transition-delay: 0.45s; }
.skill-group.visible .skill-tag:nth-child(9) { transition-delay: 0.5s; }
.skill-tag:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}
.project-card {
  padding: 1.5rem;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s, box-shadow 0.4s;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.project-card:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 25px 50px rgba(99, 102, 241, 0.15);
}
.project-card .project-tags {
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.3s;
}
.project-card.visible .project-tags {
  opacity: 1;
  transform: translateY(0);
}
.project-card h3 { margin-bottom: 0.5rem; }
.project-card .role {
  font-size: 0.875rem;
  color: #2563eb;
  margin-bottom: 1rem;
}
.project-card p { font-size: 0.9rem; margin-bottom: 1rem; }
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.project-tag {
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.1);
  color: #3b82f6;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}
@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.contact-form .btn {
  align-self: flex-start;
  justify-content: center;
}
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label {
  font-size: 0.875rem;
  color: #a0a0b0;
}
.form-group input,
.form-group textarea {
  padding: 0.875rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  color: #fff;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #2563eb;
}
.form-group textarea { min-height: 150px; resize: vertical; }
.form-error { color: #ef4444; font-size: 0.875rem; }
.form-success { color: #10b981; }

/* Footer */
footer {
  padding: 2rem 0;
  text-align: center;
  color: #a0a0b0;
  font-size: 0.875rem;
}

/* Icons */
.icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}
.social-links .icon,
.contact-link .icon {
  filter: brightness(0) invert(0.6);
  transition: filter 0.2s;
}
.social-links a:hover .icon,
.contact-link:hover .icon {
  filter: brightness(0) invert(1);
}
.btn .icon {
  filter: brightness(0) invert(1);
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  [data-animate] { opacity: 1; transform: none; }
}