:root {
  --color-bg: #faf9f7;
  --color-bg-alt: #f0ede8;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #5c5c5c;
  --color-accent: #2c4a3e;
  --color-accent-light: #3d6b58;
  --color-gold: #b8956a;
  --color-border: #e5e0d8;
  --font-serif: "Cormorant Garamond", Georgia, serif;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --shadow-sm: 0 2px 8px rgba(26, 26, 26, 0.06);
  --shadow-md: 0 8px 32px rgba(26, 26, 26, 0.1);
  --radius: 12px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 249, 247, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.lang-btn {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.25rem 0.35rem;
  transition: color var(--transition);
}

.lang-btn:hover,
.lang-btn.active {
  color: var(--color-accent);
}

.lang-btn.active {
  font-weight: 600;
}

.lang-divider {
  color: var(--color-border);
  font-size: 0.85rem;
  user-select: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

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

.nav-cta {
  padding: 0.5rem 1.25rem;
  background: var(--color-accent);
  color: #fff !important;
  border-radius: 100px;
  transition: background var(--transition) !important;
}

.nav-cta:hover {
  background: var(--color-accent-light) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

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

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(44, 74, 62, 0.04) 0%, transparent 50%),
    url("../assets/page5_img1.png") center/cover no-repeat;
  opacity: 0.15;
  filter: grayscale(30%);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-summary {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 620px;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.85rem 2rem;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 100px;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.stat-value {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.35rem;
}

/* Sections */
.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-eyebrow {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section-desc {
  margin-top: 1rem;
  color: var(--color-text-muted);
  max-width: 560px;
}

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

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.detail-card {
  padding: 1.25rem 1.5rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.detail-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.35rem;
}

.detail-value {
  font-size: 0.95rem;
  color: var(--color-text);
}

/* Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.timeline-item {
  padding: 2rem 2.5rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.timeline-item:hover {
  box-shadow: var(--shadow-md);
}

.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.timeline-meta time {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
}

.timeline-company {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.timeline-item h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.timeline-item ul {
  list-style: disc;
  padding-left: 1.25rem;
}

.timeline-item li {
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

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

/* Education */
.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.education-card {
  padding: 2rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.education-year {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.education-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.education-institution {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.education-honors {
  margin-top: 0.5rem;
  font-weight: 500;
  color: var(--color-accent);
}

.education-note {
  margin-top: 0.35rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Portfolio Tabs */
.portfolio-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.65rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  background: transparent;
  border: 1.5px solid var(--color-border);
  border-radius: 100px;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.tab-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.tab-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.tab-panel {
  display: none;
  animation: fadeIn 0.4s ease;
}

.tab-panel.active {
  display: block;
}

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

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

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/5;
  background: var(--color-bg-alt);
}

.gallery-item--wide {
  grid-column: span 2;
  aspect-ratio: 16/9;
}

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

.gallery-item:hover img {
  transform: scale(1.05);
}

/* Campaigns */
.campaigns-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.campaign-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.campaign-card:hover {
  box-shadow: var(--shadow-md);
}

.campaign-image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.campaign-content {
  padding: 1.75rem;
}

.campaign-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}

.campaign-content h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.campaign-content p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.campaign-link {
  display: inline-block;
  margin-top: 1rem;
  font-weight: 500;
  color: var(--color-accent);
  transition: color var(--transition);
}

.campaign-link:hover {
  color: var(--color-accent-light);
}

.campaign-card--link {
  display: flex;
  align-items: center;
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.campaign-card--link .campaign-tag {
  color: var(--color-gold);
}

.campaign-card--link p {
  color: rgba(255, 255, 255, 0.85);
}

.campaign-card--link .campaign-link {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Videos */
.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.video-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.video-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background-size: cover;
  background-position: center;
}

.video-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #fff;
  background: rgba(0, 0, 0, 0.35);
  transition: background var(--transition);
}

.video-card:hover .video-play {
  background: rgba(44, 74, 62, 0.6);
}

.video-card h3 {
  padding: 1.25rem;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.4;
}

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.skills-group h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-tags li {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  transition: all var(--transition);
}

.skill-tags li:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.skill-tags--tools li {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.skill-tags--tools li:hover {
  background: var(--color-accent-light);
  color: #fff;
}

/* Contact */
.section-contact {
  background: var(--color-accent);
  color: #fff;
}

.section-contact .section-eyebrow {
  color: var(--color-gold);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-intro h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  margin-bottom: 1rem;
}

.contact-intro p {
  color: rgba(255, 255, 255, 0.8);
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.contact-card {
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  transition: background var(--transition);
}

a.contact-card:hover {
  background: rgba(255, 255, 255, 0.14);
}

.contact-icon {
  display: block;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  opacity: 0.7;
}

.contact-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.6;
  margin-bottom: 0.25rem;
}

.contact-value {
  font-size: 0.95rem;
}

/* Footer */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.back-to-top {
  transition: color var(--transition);
}

.back-to-top:hover {
  color: var(--color-accent);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.9);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  padding: 2rem;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-image {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 4px;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2.5rem;
  cursor: pointer;
  line-height: 1;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.lightbox-close:hover {
  opacity: 1;
}

/* Responsive */
@media (max-width: 900px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .skills-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

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

  .gallery-item--wide {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .nav-right {
    gap: 0.75rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem;
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    pointer-events: none;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links li a {
    display: block;
    padding: 0.85rem 1rem;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero-stats {
    gap: 2rem;
  }

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

  .gallery-item--wide {
    grid-column: span 1;
  }

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

  .timeline-item {
    padding: 1.5rem;
  }
}