/* ============================================
   SABINE FÆRGE — Personal Website
   A bold, modern design for a young researcher
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --clr-bg: #0a0a0f;
  --clr-bg-alt: #12121a;
  --clr-surface: #1a1a26;
  --clr-accent: #6c63ff;
  --clr-accent-light: #8b83ff;
  --clr-accent-glow: rgba(108, 99, 255, 0.25);
  --clr-secondary: #00d4aa;
  --clr-secondary-glow: rgba(0, 212, 170, 0.2);
  --clr-text: #e8e6f0;
  --clr-text-muted: #9994b8;
  --clr-text-dim: #6b6589;
  --clr-white: #ffffff;
  --clr-border: rgba(108, 99, 255, 0.15);
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --glow: 0 0 30px var(--clr-accent-glow);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--clr-accent);
  color: var(--clr-white);
}

a {
  color: var(--clr-accent-light);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--clr-secondary);
}

img {
  max-width: 100%;
  display: block;
}

/* --- Utility --- */
.nowrap {
  white-space: normal;
}

/* --- Animated Background Mesh --- */
.bg-mesh {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.bg-mesh::before,
.bg-mesh::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  animation: floatBlob 20s ease-in-out infinite alternate;
}

.bg-mesh::before {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--clr-accent-glow), transparent 70%);
  top: -10%;
  right: -5%;
}

.bg-mesh::after {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--clr-secondary-glow), transparent 70%);
  bottom: -10%;
  left: -5%;
  animation-delay: -10s;
}

@keyframes floatBlob {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -60px) scale(1.1); }
  100% { transform: translate(-30px, 40px) scale(0.95); }
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(20px);
  background: rgba(10, 10, 15, 0.7);
  border-bottom: 1px solid var(--clr-border);
  transition: var(--transition);
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: -0.02em;
}

.nav-logo span {
  color: var(--clr-accent);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  position: relative;
  padding-bottom: 4px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-accent);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--clr-white);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 5px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 4rem;
  position: relative;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text {
  position: relative;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--clr-secondary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
  padding: 0.4rem 1rem;
  border: 1px solid var(--clr-secondary);
  border-radius: 100px;
  background: rgba(0, 212, 170, 0.05);
}

.hero-label .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-secondary);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--clr-white);
  margin-bottom: 1.5rem;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--clr-text-muted);
  max-width: 500px;
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: var(--clr-accent);
  color: var(--clr-white);
  box-shadow: var(--glow);
}

.btn-primary:hover {
  background: var(--clr-accent-light);
  color: var(--clr-white);
  transform: translateY(-2px);
  box-shadow: 0 0 50px var(--clr-accent-glow);
}

.btn-outline {
  background: transparent;
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
}

.btn-outline:hover {
  border-color: var(--clr-accent);
  color: var(--clr-white);
  transform: translateY(-2px);
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image img {
  width: 380px;
  height: 480px;
  object-fit: cover;
  object-position: top;
  border-radius: 24px;
  border: 2px solid var(--clr-border);
  box-shadow: var(--glow);
  transition: var(--transition);
}

.hero-image img:hover {
  box-shadow: 0 0 60px var(--clr-accent-glow);
  transform: scale(1.02);
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 26px;
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-secondary));
  z-index: -1;
  opacity: 0.3;
}

/* Floating stats around hero image */
.hero-stat {
  position: absolute;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 16px;
  padding: 0.75rem 1.2rem;
  backdrop-filter: blur(10px);
  animation: floatStat 6s ease-in-out infinite;
  z-index: 2;
}

.hero-stat-number {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-accent);
}

.hero-stat-label {
  font-size: 0.72rem;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-stat:nth-child(2) {
  top: 10%;
  right: -15%;
}

.hero-stat:nth-child(3) {
  bottom: 15%;
  left: -10%;
  animation-delay: -3s;
}

@keyframes floatStat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* --- Sections General --- */
section {
  padding: 6rem 2rem;
  position: relative;
}

.section-container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--clr-accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  max-width: 600px;
  margin-bottom: 3rem;
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.about-image-stack {
  position: relative;
}

.about-image-stack img {
  border-radius: 20px;
  border: 1px solid var(--clr-border);
}

.about-image-main {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about-image-float {
  position: absolute;
  width: 180px;
  height: 130px;
  object-fit: cover;
  bottom: -30px;
  right: -20px;
  border-radius: 16px !important;
  border: 3px solid var(--clr-bg) !important;
  box-shadow: var(--glow);
}

.about-content p {
  margin-bottom: 1.2rem;
  color: var(--clr-text-muted);
}

.about-content p:first-of-type {
  font-size: 1.1rem;
  color: var(--clr-text);
}

.about-interests {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.interest-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.4rem 1rem;
  border-radius: 100px;
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  background: var(--clr-surface);
  transition: var(--transition);
}

.interest-tag:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent-light);
  box-shadow: var(--glow);
}

/* --- Timeline / Experience --- */
.timeline {
  position: relative;
  padding-left: 2rem;
}

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

.timeline-item {
  position: relative;
  padding-bottom: 3rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.35rem;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--clr-accent);
  box-shadow: 0 0 15px var(--clr-accent-glow);
  border: 2px solid var(--clr-bg);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--clr-secondary);
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
}

.timeline-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--clr-white);
  margin-bottom: 0.3rem;
}

.timeline-org {
  font-size: 0.9rem;
  color: var(--clr-accent-light);
  margin-bottom: 0.5rem;
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--clr-text-muted);
}

/* --- Awards / Achievements --- */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.achievement-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 20px;
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.achievement-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-accent), var(--clr-secondary));
  opacity: 0;
  transition: var(--transition);
}

.achievement-card:hover {
  transform: translateY(-4px);
  border-color: var(--clr-accent);
  box-shadow: var(--glow);
}

.achievement-card:hover::before {
  opacity: 1;
}

.achievement-icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.achievement-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--clr-white);
  margin-bottom: 0.5rem;
}

.achievement-card p {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
}

.achievement-card .year-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  background: var(--clr-accent-glow);
  color: var(--clr-accent-light);
  margin-bottom: 0.8rem;
}

/* --- Gallery Section --- */
.gallery-scroll {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.gallery-item {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--clr-border);
  aspect-ratio: 4/3;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item .gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 15, 0.85), transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 1.2rem;
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay p {
  font-size: 0.85rem;
  color: var(--clr-white);
  font-weight: 500;
}

/* --- Publications --- */
.publications-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.pub-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 16px;
  padding: 1.5rem 2rem;
  transition: var(--transition);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.pub-card:hover {
  border-color: var(--clr-accent);
  transform: translateX(6px);
}

.pub-info h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-white);
  margin-bottom: 0.3rem;
}

.pub-info p {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
}

.pub-arrow {
  font-size: 1.2rem;
  color: var(--clr-accent);
  transition: var(--transition);
  flex-shrink: 0;
}

.pub-card:hover .pub-arrow {
  transform: translateX(5px);
  color: var(--clr-secondary);
}

/* --- CV Section --- */
.cv-selector {
  max-width: 800px;
}

.cv-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.cv-tab {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 0.6rem 1.4rem;
  border-radius: 100px;
  border: 1px solid var(--clr-border);
  background: transparent;
  color: var(--clr-text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.cv-tab:hover {
  border-color: var(--clr-accent);
  color: var(--clr-white);
}

.cv-tab.active {
  background: var(--clr-accent);
  color: var(--clr-white);
  border-color: var(--clr-accent);
}

.cv-card {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 20px;
  padding: 2rem;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.cv-card-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
}

.cv-card-content {
  flex: 1;
}

.cv-card-content h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--clr-white);
  margin-bottom: 0.5rem;
}

.cv-card-content p {
  font-size: 0.92rem;
  color: var(--clr-text-muted);
  margin-bottom: 1rem;
}

.cv-highlights {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cv-highlights li {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.8rem;
  border-radius: 6px;
  background: rgba(108, 99, 255, 0.08);
  color: var(--clr-text-muted);
  border: 1px solid var(--clr-border);
}

.cv-download-btn {
  align-self: center;
  flex-shrink: 0;
  white-space: nowrap;
}

.cv-note {
  font-size: 0.88rem;
  color: var(--clr-text-dim);
  font-style: italic;
  margin-top: 1rem;
}

/* --- Personal Story Section --- */
.personal-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3rem;
  align-items: start;
}

.personal-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.personal-image-main {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 20px;
  border: 1px solid var(--clr-border);
  grid-column: 1 / -1;
}

.personal-image-secondary {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--clr-border);
  grid-column: 1 / -1;
}

.personal-content .personal-lead {
  font-size: 1.1rem;
  color: var(--clr-text);
  margin-bottom: 1.2rem;
  line-height: 1.7;
}

.personal-content p {
  color: var(--clr-text-muted);
  margin-bottom: 1rem;
}

.personal-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.personal-link-card {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 12px;
  padding: 0.6rem 1.2rem;
  transition: var(--transition);
  color: var(--clr-text);
}

.personal-link-card:hover {
  border-color: var(--clr-accent);
  transform: translateX(6px);
  color: var(--clr-text);
}

.personal-link-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.personal-link-card strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--clr-white);
  margin-bottom: 0.2rem;
}

.personal-link-card p {
  font-size: 0.82rem;
  color: var(--clr-text-muted);
  margin: 0;
}

.personal-link-card .pub-arrow {
  margin-left: auto;
}

/* --- Contact Section --- */
.contact-section {
  background: var(--clr-bg-alt);
  border-top: 1px solid var(--clr-border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item-text h4 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--clr-white);
}

.contact-item-text p,
.contact-item-text a {
  font-size: 0.88rem;
  color: var(--clr-text-muted);
}

.contact-item-text a:hover {
  color: var(--clr-accent-light);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.2rem;
  border-radius: 12px;
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
  background: var(--clr-surface);
}

.social-link:hover {
  border-color: var(--clr-accent);
  color: var(--clr-white);
  transform: translateY(-2px);
  box-shadow: var(--glow);
}

/* --- Quote Block --- */
.quote-block {
  text-align: center;
  padding: 4rem 2rem;
  max-width: 700px;
  margin: 0 auto;
}

.quote-block blockquote {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  color: var(--clr-white);
  font-weight: 500;
  line-height: 1.5;
  font-style: italic;
  position: relative;
}

.quote-block blockquote::before {
  content: '\201C';
  font-size: 5rem;
  color: var(--clr-accent);
  position: absolute;
  top: -2rem;
  left: -1rem;
  opacity: 0.3;
  font-style: normal;
}

.quote-block cite {
  display: block;
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--clr-text-dim);
  font-style: normal;
}

/* --- Footer --- */
.footer {
  text-align: center;
  padding: 2.5rem 2rem;
  border-top: 1px solid var(--clr-border);
  font-size: 0.82rem;
  color: var(--clr-text-dim);
}

.footer span {
  color: var(--clr-accent);
}

/* --- Publication Loading --- */
.pub-loading {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 2rem;
  color: var(--clr-text-muted);
  font-size: 0.9rem;
}

.loading-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--clr-border);
  border-top-color: var(--clr-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- CV Download Button disabled state --- */
#cvBtn:disabled {
  opacity: 0.6;
  cursor: wait;
}

/* --- Scroll Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Horizontal Divider --- */
.divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-accent), var(--clr-secondary));
  border-radius: 100px;
  margin-bottom: 2rem;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .hero-description {
    margin: 0 auto 2rem;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-image {
    order: -1;
  }

  .hero-image img {
    width: 280px;
    height: 350px;
  }

  .hero-stat {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-image-float {
    display: none;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .cv-card {
    flex-direction: column;
    align-items: stretch;
  }

  .cv-download-btn {
    align-self: flex-start;
  }

  .personal-grid {
    grid-template-columns: 1fr;
  }

  .gallery-scroll {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--clr-border);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-hamburger {
    display: flex;
  }
}

@media (max-width: 600px) {
  section {
    padding: 3rem 1rem;
  }

  .gallery-scroll {
    grid-template-columns: 1fr;
  }

  .achievements-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 5rem 1rem 2.5rem;
  }

  .hero h1 {
    font-size: clamp(1.6rem, 6vw, 2.5rem);
    word-break: break-word;
    hyphens: auto;
  }

  .hero-label {
    font-size: 0.7rem;
    padding: 0.3rem 0.8rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-buttons .btn {
    justify-content: center;
    padding: 0.75rem 1.2rem;
    font-size: 0.9rem;
  }

  .hero-image img {
    width: 220px;
    height: 280px;
  }

  .nav {
    padding: 0.75rem 1rem;
  }

  .nav-logo {
    font-size: 1.1rem;
  }

  .section-title {
    font-size: clamp(1.4rem, 5vw, 2rem);
    word-break: break-word;
  }

  .section-subtitle {
    font-size: 0.95rem;
    margin-bottom: 2rem;
  }

  .section-label {
    font-size: 0.72rem;
  }

  .about-content p:first-of-type {
    font-size: 1rem;
  }

  .about-image-main {
    height: 250px;
  }

  .interest-tag {
    font-size: 0.72rem;
    padding: 0.3rem 0.7rem;
  }

  .timeline {
    padding-left: 1.5rem;
  }

  .timeline-item::before {
    left: -1.85rem;
    width: 10px;
    height: 10px;
  }

  .timeline-title {
    font-size: 1.05rem;
  }

  .timeline-org {
    font-size: 0.82rem;
    word-break: break-word;
  }

  .timeline-desc {
    font-size: 0.88rem;
  }

  .achievement-card {
    padding: 1.5rem;
  }

  .pub-card {
    padding: 1rem 1.2rem;
    flex-direction: row;
    gap: 0.75rem;
  }

  .pub-info h3 {
    font-size: 0.9rem;
  }

  .pub-info p {
    font-size: 0.78rem;
  }

  .cv-tabs {
    gap: 0.4rem;
  }

  .cv-tab {
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
  }

  .cv-card {
    padding: 1.5rem;
    gap: 1rem;
  }

  .cv-card-icon {
    font-size: 2rem;
  }

  .cv-card-content h3 {
    font-size: 1.05rem;
  }

  .cv-highlights li {
    font-size: 0.7rem;
    padding: 0.25rem 0.6rem;
  }

  .personal-content .personal-lead {
    font-size: 1rem;
  }

  .personal-image-main {
    height: 220px;
  }

  .personal-image-secondary {
    height: 140px;
  }

  .personal-link-card {
    padding: 0.5rem 0.8rem;
    gap: 0.6rem;
  }

  .personal-link-card strong {
    font-size: 0.85rem;
  }

  .personal-link-card p {
    font-size: 0.75rem;
  }

  .personal-link-icon {
    font-size: 1.2rem;
  }

  .contact-item {
    gap: 0.75rem;
  }

  .contact-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .contact-item-text h4 {
    font-size: 0.82rem;
  }

  .contact-item-text a {
    font-size: 0.82rem;
    word-break: break-all;
  }

  .social-link {
    font-size: 0.8rem;
    padding: 0.5rem 0.9rem;
  }

  .quote-block {
    padding: 2.5rem 1rem;
  }

  .quote-block blockquote {
    font-size: 1.1rem;
  }

  .quote-block blockquote::before {
    font-size: 3rem;
    top: -1.2rem;
    left: -0.5rem;
  }

  .footer {
    padding: 1.5rem 1rem;
    font-size: 0.75rem;
  }

  .gallery-item .gallery-overlay {
    opacity: 1;
  }
}

/* Extra small screens (< 380px) */
@media (max-width: 380px) {
  .hero h1 {
    font-size: 1.4rem;
  }

  .hero-image img {
    width: 180px;
    height: 230px;
  }

  .cv-tabs {
    flex-direction: column;
  }

  .cv-tab {
    text-align: center;
  }
}