/* SECTIONS — tokitauhid.me */

/* ---- BASE SECTION ---- */
.section {
  position: relative;
  padding: var(--section-gap) var(--side-padding);
  overflow: hidden;
}
.section-dark { background: rgba(11, 13, 15, 0.6); }
.section-darker { background: rgba(17, 20, 24, 0.5); }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
}

/* ---- SCROLL ENTRANCE ANIMATION ---- */
.anim-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}
.anim-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.anim-up.d1 { transition-delay: 0.1s; }
.anim-up.d2 { transition-delay: 0.2s; }
.anim-up.d3 { transition-delay: 0.3s; }
.anim-up.d4 { transition-delay: 0.4s; }
.anim-up.d5 { transition-delay: 0.5s; }

/* ---- SECTION LABEL ---- */
.section-label {
  font-family: var(--font-mono);
  font-size: var(--label);
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--bg-primary);
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  padding: 0 var(--side-padding);
}
.hero-greeting {
  font-family: var(--font-mono);
  font-size: var(--small);
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.hero-name {
  font-family: var(--font-heading);
  font-size: var(--h1);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.1;
}
.hero-name .thin {
  font-weight: var(--weight-thin);
  color: var(--text-secondary);
}
.hero-title {
  font-size: var(--h4);
  color: var(--text-secondary);
  font-weight: var(--weight-normal);
  margin-bottom: 24px;
}
.hero-tags {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.tag {
  padding: 6px 14px;
  border-radius: var(--radius-round);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  font-size: var(--tiny);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.tag:hover {
  border-color: var(--glass-border-hover);
  color: var(--text-primary);
  background: var(--glass-bg-hover);
  transform: translateY(-2px);
}
.hero-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
}
.btn-primary {
  padding: 12px 28px;
  border-radius: var(--radius-round);
  background: var(--accent);
  color: var(--text-primary);
  font-weight: var(--weight-medium);
  font-size: var(--small);
  font-family: var(--font-body);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}
.btn-primary:hover {
  background: #7D75FF;
  box-shadow: 0 8px 40px rgba(108, 99, 255, 0.4);
  transform: translateY(-3px) scale(1.02);
}
.btn-primary:active { transform: translateY(1px) scale(0.97); }
.btn-secondary {
  padding: 12px 28px;
  border-radius: var(--radius-round);
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-weight: var(--weight-medium);
  font-size: var(--small);
  font-family: var(--font-body);
  transition: all 0.2s ease;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn-secondary:active { transform: scale(0.95); }

.scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: var(--tiny);
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  animation: scrollBounce 2s ease-in-out infinite;
}
.scroll-hint svg {
  width: 20px;
  height: 20px;
  stroke: var(--text-muted);
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ---- ABOUT ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-text h2 {
  font-family: var(--font-heading);
  font-size: var(--h2);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  margin-bottom: 24px;
  line-height: 1.2;
}
.about-text h2 .thin {
  font-weight: var(--weight-thin);
}
.about-text p {
  color: var(--text-secondary);
  font-size: var(--body);
  line-height: 1.8;
  margin-bottom: 20px;
}
.quote-block {
  border-left: 3px solid var(--accent);
  padding: 16px 20px;
  margin: 24px 0;
  background: var(--accent-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.quote-block p {
  font-style: italic;
  color: var(--text-primary);
  font-size: var(--body);
  line-height: 1.6;
  margin: 0;
}

/* ---- SKILLS ---- */
.skills-header {
  text-align: center;
  margin-bottom: 60px;
}
.skills-header h2 {
  font-family: var(--font-heading);
  font-size: var(--h2);
  color: var(--text-primary);
  margin-bottom: 16px;
}
.skills-header h2 .thin { font-weight: var(--weight-thin); }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.skill-card {
  padding: 40px 32px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}
.skill-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}
.skill-card:active {
  transform: translateY(-1px) scale(0.98);
}
.skill-card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  color: var(--accent);
}
.skill-card-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
}
.skill-card h3 {
  font-family: var(--font-heading);
  font-size: var(--h4);
  color: var(--text-primary);
  margin-bottom: 16px;
  font-weight: var(--weight-semibold);
}
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.skill-tag {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--teal-soft);
  color: var(--teal);
  font-size: var(--tiny);
  font-family: var(--font-mono);
}

/* ---- PROJECTS ---- */
.projects-header {
  text-align: center;
  margin-bottom: 60px;
}
.projects-header h2 {
  font-family: var(--font-heading);
  font-size: var(--h2);
  color: var(--text-primary);
}
.projects-header h2 .thin { font-weight: var(--weight-thin); }
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.project-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.project-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}
.project-card:active {
  transform: translateY(-2px) scale(0.99);
}
.project-card.featured {
  grid-column: 1 / -1;
}
.project-label {
  font-family: var(--font-mono);
  font-size: var(--tiny);
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.project-card h3 {
  font-family: var(--font-heading);
  font-size: var(--h3);
  color: var(--text-primary);
  margin-bottom: 12px;
  font-weight: var(--weight-semibold);
}
.project-card p {
  color: var(--text-secondary);
  font-size: var(--body);
  line-height: 1.7;
  margin-bottom: 20px;
}
.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}
.project-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-round);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: var(--small);
  text-decoration: none;
  transition: all 0.2s ease;
}
.project-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}
.project-link svg {
  width: 14px;
  height: 14px;
}

/* ---- CONTACT ---- */
.contact-cta {
  text-align: center;
  margin-bottom: 60px;
}
.contact-cta h2 {
  font-family: var(--font-heading);
  font-size: var(--h2);
  color: var(--text-primary);
  margin-bottom: 16px;
}
.contact-cta h2 .thin { font-weight: var(--weight-thin); }
.contact-cta p {
  color: var(--text-secondary);
  font-size: var(--body);
  margin-bottom: 20px;
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}
.contact-group h4 {
  font-family: var(--font-heading);
  font-size: var(--label);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}
.contact-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--small);
  text-decoration: none;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}
.contact-link:hover {
  background: var(--accent-soft);
  border-color: var(--border-accent);
  color: var(--accent);
  transform: translateX(4px);
}
.contact-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ---- FOOTER ---- */
.footer {
  padding: 32px var(--side-padding);
  border-top: 1px solid var(--border);
  background: var(--bg-primary);
}
.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-left {
  display: flex;
  align-items: center;
  gap: 24px;
}
.footer-location {
  color: var(--text-muted);
  font-size: var(--tiny);
}
.footer-copy {
  color: var(--text-muted);
  font-size: var(--tiny);
}

/* ---- PROFILE PHOTO ---- */
.profile-frame {
  position: relative;
  width: 100%;
  max-width: 340px;
  aspect-ratio: 1;
}
.profile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-xl);
  border: 2px solid var(--border-hover);
  position: relative;
  z-index: 1;
  transition: transform 0.4s var(--ease-out-expo), border-color 0.3s ease;
}
.profile-frame:hover .profile-photo {
  transform: scale(1.02);
  border-color: var(--accent);
}
.profile-glow {
  position: absolute;
  inset: -8px;
  border-radius: calc(var(--radius-xl) + 8px);
  background: linear-gradient(135deg, var(--accent-soft), var(--teal-soft));
  z-index: 0;
  opacity: 0.5;
  filter: blur(20px);
  animation: glowPulse 4s ease-in-out infinite;
}
@keyframes glowPulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.05); }
}

/* ---- SHIMMER HOVER ON PROJECT CARDS ---- */
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(108,99,255,0.04), transparent);
  transition: left 0.6s ease;
  z-index: 0;
}
.project-card:hover::before { left: 100%; }
.project-card > * { position: relative; z-index: 1; }

/* ---- CONTACT ICON ROTATE ---- */
.contact-link svg {
  transition: transform 0.3s var(--ease-out-expo);
}
.contact-link:hover svg {
  transform: rotate(12deg) scale(1.15);
}

/* ---- NAV DOT PULSE ---- */
.nav-logo .logo-dot {
  animation: dotPulse 2.5s ease-in-out infinite;
}
@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

/* ---- SKILL CARD HOVER LINE ---- */
.skill-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.3s ease, left 0.3s ease;
}
.skill-card:hover::after {
  width: 100%; left: 0;
}

/* ---- SECTION DIVIDER ---- */
.section-divider {
  width: 60px; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--teal));
  margin: 0 auto 40px;
  border-radius: var(--radius-round);
  transform: scaleX(0);
  transition: transform 0.6s var(--ease-out-expo);
}
.section-divider.visible { transform: scaleX(1); }

/* ---- TAG FLOAT ---- */
.hero-tags .tag {
  animation: tagFloat 3s ease-in-out infinite;
}
.hero-tags .tag:nth-child(1) { animation-delay: 0s; }
.hero-tags .tag:nth-child(2) { animation-delay: 0.4s; }
.hero-tags .tag:nth-child(3) { animation-delay: 0.8s; }
.hero-tags .tag:nth-child(4) { animation-delay: 1.2s; }
@keyframes tagFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}