/* ============================================================
   HERO — Landing Page
   ============================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 120px 20px 80px;
}

/* Atmospheric background */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  pointer-events: none;
  animation: drift 12s ease-in-out infinite;
}

.hero-bg-blob-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #6b0f1a, transparent 70%);
  top: -100px; left: 50%;
  transform: translateX(-50%);
  animation-delay: 0s;
}

.hero-bg-blob-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #2e0a52, transparent 70%);
  bottom: 0; right: 0;
  animation-delay: -5s;
  animation-direction: reverse;
}

.hero-bg-blob-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #3d0a18, transparent 70%);
  top: 40%; left: -100px;
  animation-delay: -3s;
}

@keyframes drift {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

/* Particle canvas */
#particles-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Geist Mono', monospace;
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s var(--ease-out) forwards;
}

.hero-eyebrow::before,
.hero-eyebrow::after {
  content: '——';
  color: var(--accent);
  opacity: 0.6;
}

.hero-name {
  font-family: 'Syne', sans-serif;
  font-size: clamp(4rem, 12vw, 9rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--text);
  opacity: 0;
  animation: fadeUp 0.9s 0.4s var(--ease-out) forwards;
}

.hero-name-accent {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.25);
}

.hero-sub {
  font-size: var(--fs-md);
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 20px;
  font-weight: 300;
  opacity: 0;
  animation: fadeUp 0.9s 0.6s var(--ease-out) forwards;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
  margin-top: 48px;
  opacity: 0;
  animation: fadeUp 0.9s 0.8s var(--ease-out) forwards;
  flex-wrap: wrap;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-faint);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeIn 1s 1.4s ease forwards;
}

.hero-scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.1); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  to { opacity: 1; }
}

/* ============================================================
   ABOUT SECTION (Homepage)
   ============================================================ */

.about-home {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  justify-items: start;
}

.about-photo-wrap {
  position: relative;
}

.about-photo-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 1/1;
  width: 100%;
  max-width: 350px;
}

.about-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(15%) contrast(1.05);
  transition: filter 0.5s;
}

.about-photo-frame:hover img { filter: grayscale(0%) contrast(1); }

.about-photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8,8,8,0.6) 0%, transparent 50%);
}

.about-photo-accent {
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-xl) + 2px);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  z-index: -1;
  opacity: 0.4;
}

.about-text-wrap {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 450px;
}

.about-text-wrap p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .about-home {
    grid-template-columns: 1fr;
    gap: 40px;
    justify-items: center;
  }
  .about-photo-frame { aspect-ratio: 4/3; }
}

/* ============================================================
   EDUCATION TIMELINE
   ============================================================ */

.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--accent), var(--accent-2), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
}

.timeline-dot {
  position: absolute;
  left: -46px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #00d9ff;
  border: 2px solid var(--bg);
  box-shadow: 0 0 16px rgba(0,217,255,0.4);
}

.edu-card {
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.edu-card::after {
  content: '→';
  position: absolute;
  top: 28px;
  right: 28px;
  color: var(--text-faint);
  font-size: 1.2rem;
  transition: all 0.3s var(--ease-out);
}

.edu-card:hover::after {
  color: var(--accent);
  transform: translateX(4px);
}

.edu-year {
  font-family: 'Geist Mono', monospace;
  font-size: var(--fs-xs);
  color: #00d9ff;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.edu-school {
  font-family: 'Syne', sans-serif;
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: 8px;
}

.edu-badge {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

/* ============================================================
   PROJECTS & INTERESTS GRID
   ============================================================ */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.project-card {
  cursor: pointer;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-card-img {
  height: 200px;
  background: var(--bg-2);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 20px;
  position: relative;
}

.project-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.project-card:hover .project-card-img img { transform: scale(1.05); }

.project-card-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.project-pin-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255,68,68,0.9);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 100px;
}

.project-title {
  font-family: 'Syne', sans-serif;
  font-size: var(--fs-md);
  font-weight: 700;
  margin-bottom: 8px;
}

.project-desc {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ============================================================
   BLOG CARDS
   ============================================================ */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.blog-card {
  cursor: pointer;
}

.blog-card-date {
  font-family: 'Geist Mono', monospace;
  font-size: var(--fs-xs);
  color: var(--text-faint);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.blog-card-title {
  font-family: 'Syne', sans-serif;
  font-size: var(--fs-md);
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
}

.blog-card-excerpt {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: 1.65;
}

/* ============================================================
   MODAL OVERLAY
   ============================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out);
  overflow-y: auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 20px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background: var(--bg-1);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 48px;
  max-width: 780px;
  width: 100%;
  transform: translateY(30px);
  transition: transform 0.4s var(--ease-out);
  position: relative;
  margin: auto;
}

.modal-overlay.active .modal-box { transform: translateY(0); }

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--card-border);
  background: transparent;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.modal-close:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Dropdown accordions */
.accordion-item {
  border-bottom: 1px solid var(--card-border);
}

.accordion-trigger {
  width: 100%;
  background: none;
  border: none;
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--fs-base);
  font-weight: 500;
  text-align: left;
  padding: 18px 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: color 0.2s;
}

.accordion-trigger:hover { color: var(--accent); }

.accordion-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-out), background 0.2s;
}

.accordion-trigger[aria-expanded="true"] .accordion-icon {
  transform: rotate(45deg);
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out);
}

.accordion-body-inner {
  padding: 0 0 20px;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

/* ============================================================
   VAULT PAGE
   ============================================================ */

.vault-screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}

.vault-icon {
  font-size: 4rem;
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s var(--ease-out) forwards;
}

.vault-title {
  font-family: 'Syne', sans-serif;
  font-size: var(--fs-2xl);
  font-weight: 800;
  margin-bottom: 16px;
  opacity: 0;
  animation: fadeUp 0.8s 0.4s var(--ease-out) forwards;
}

.vault-sub {
  color: var(--text-muted);
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp 0.8s 0.6s var(--ease-out) forwards;
}

.vault-input-wrap {
  position: relative;
  display: inline-block;
  opacity: 0;
  animation: fadeUp 0.8s 0.8s var(--ease-out) forwards;
}

.vault-input {
  width: 320px;
  padding: 16px 56px 16px 24px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 100px;
  color: var(--text);
  font-family: 'Geist Mono', monospace;
  font-size: var(--fs-base);
  letter-spacing: 0.1em;
  text-align: center;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.vault-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.vault-input.error {
  border-color: var(--red);
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

.vault-enter-btn {
  margin-top: 16px;
  display: block;
  width: 100%;
}

.vault-error-msg {
  margin-top: 12px;
  font-size: var(--fs-sm);
  color: var(--red);
  opacity: 0;
  transition: opacity 0.3s;
}
.vault-error-msg.show { opacity: 1; }

.vault-content {
  display: none;
}

.vault-content.unlocked {
  display: block;
  animation: fadeUp 0.8s var(--ease-out) forwards;
}

/* ============================================================
   BLOG READER
   ============================================================ */

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(to right, var(--accent), var(--accent-2));
  z-index: 9998;
  transition: width 0.1s;
  width: 0%;
}

.blog-reader {
  max-width: 720px;
  margin: 0 auto;
  padding: 140px 24px 80px;
}

.blog-reader h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 24px;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: 'Geist Mono', monospace;
  font-size: var(--fs-xs);
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--card-border);
  flex-wrap: wrap;
}

.blog-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-muted);
}

.blog-body h2 {
  font-size: 1.5rem;
  color: var(--text);
  margin: 48px 0 16px;
}

.blog-body h3 {
  font-size: 1.15rem;
  color: var(--text);
  margin: 32px 0 12px;
}

.blog-body p { margin-bottom: 20px; }

.blog-body ul, .blog-body ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.blog-body li { margin-bottom: 8px; }

.blog-body blockquote {
  border-left: 2px solid var(--accent);
  padding: 12px 24px;
  margin: 32px 0;
  font-style: italic;
  color: var(--text-muted);
  background: rgba(255,68,68,0.05);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.blog-body code {
  font-family: 'Geist Mono', monospace;
  font-size: 0.88em;
  background: var(--bg-2);
  padding: 2px 6px;
  border-radius: 4px;
  color: #d4868f;
}

.blog-body pre {
  background: var(--bg-2);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px;
  overflow-x: auto;
  margin: 24px 0;
}

.blog-body pre code {
  background: none;
  padding: 0;
  color: var(--text);
  font-size: var(--fs-sm);
}

/* ============================================================
   TESTIMONIES
   ============================================================ */

.testimonies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.testimony-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.testimony-quote {
  font-size: 2rem;
  color: var(--accent);
  opacity: 0.5;
  line-height: 1;
}

.testimony-text {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: 1.8;
  flex: 1;
}

.testimony-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--card-border);
}

.testimony-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--fs-sm);
  color: #fff;
  flex-shrink: 0;
}

.testimony-name {
  font-weight: 600;
  font-size: var(--fs-sm);
}

.testimony-role {
  font-size: var(--fs-xs);
  color: var(--text-faint);
}

/* ============================================================
   INTERESTS
   ============================================================ */

.interests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.interest-card {
  padding: 24px;
  cursor: pointer;
}

.interest-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.interest-title {
  font-family: 'Syne', sans-serif;
  font-size: var(--fs-md);
  font-weight: 700;
  margin-bottom: 6px;
}

.interest-years {
  font-family: 'Geist Mono', monospace;
  font-size: var(--fs-xs);
  color: var(--accent);
  letter-spacing: 0.08em;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--card-border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: var(--fs-xs);
  color: var(--text-faint);
  font-family: 'Geist Mono', monospace;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--accent); }

/* ============================================================
   RESOURCES PAGE
   ============================================================ */

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.resource-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.resource-category {
  font-size: var(--fs-xs);
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
}

.resource-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
}

.resource-desc {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: 1.65;
}

.resource-link {
  font-size: var(--fs-xs);
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: auto;
  transition: gap 0.2s;
}

.resource-link:hover { gap: 8px; }