@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;0,900;1,400;1,700&family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
  --black: #0a0a0a;
  --white: #f8f6f2;
  --cream: #ede9e1;
  --accent: #c8a97e;
  --accent-dark: #9e7d56;
  --gray-100: #1a1a1a;
  --gray-200: #2a2a2a;
  --gray-300: #4a4a4a;
  --gray-400: #7a7a7a;
  --gray-500: #b0b0b0;
  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'Inter', system-ui, sans-serif;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --section-pad: clamp(80px, 10vw, 140px);
}

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

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar {
  width: 3px;
}

::-webkit-scrollbar-track {
  background: var(--black);
}

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 2px;
}

/* ── SELECTION ── */
::selection {
  background: var(--accent);
  color: var(--black);
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(24px, 5vw, 80px);
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(200, 169, 126, 0.1);
  transition: var(--transition);
}

nav.scrolled {
  padding: 14px clamp(24px, 5vw, 80px);
  background: rgba(10, 10, 10, 0.97);
}

.nav-brand {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.08em;
  text-decoration: none;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 40px);
  list-style: none;
}

.nav-links a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-500);
  text-decoration: none;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}

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

.nav-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-cv-btn {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--accent);
  padding: 10px 22px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
}

.nav-cv-btn:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0;
  background: transparent;
  border: 1px solid rgba(200, 169, 126, 0.35);
  border-radius: 0;
  overflow: hidden;
}

.lang-btn {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--gray-400);
  background: transparent;
  border: none;
  padding: 8px 14px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.lang-btn.active {
  background: var(--accent);
  color: var(--black);
}

.lang-sep {
  color: rgba(200, 169, 126, 0.4);
  font-size: 0.7rem;
  padding: 0 2px;
  user-select: none;
  display: none;
}

.linkedin-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(200, 169, 126, 0.35);
  color: var(--gray-400);
  text-decoration: none;
  transition: all var(--transition);
}

.linkedin-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.linkedin-link svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

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

.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--white);
  transition: var(--transition);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--black);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  font-weight: 400;
  color: var(--white);
  text-decoration: none;
  transition: color var(--transition);
}

.mobile-menu a:hover {
  color: var(--accent);
}

.mobile-menu .mobile-bottom {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 20px;
}

/* ── SECTIONS COMMON ── */
section {
  padding: var(--section-pad) clamp(24px, 7vw, 120px);
}

.section-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-label::before {
  content: '';
  display: block;
  width: 30px;
  height: 1px;
  background: var(--accent);
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: clamp(40px, 6vw, 80px);
}

.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(200, 169, 126, 0.3), transparent);
  margin: 0;
}

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 0 clamp(24px, 7vw, 120px);
  padding-top: 100px;
  position: relative;
  overflow: hidden;
}

.hero-bg-text {
  position: absolute;
  right: -2%;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--serif);
  font-size: clamp(120px, 18vw, 220px);
  font-weight: 900;
  color: rgba(200, 169, 126, 0.04);
  line-height: 1;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

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

.hero-eyebrow {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--accent);
}

.hero-name {
  font-family: var(--serif);
  font-size: clamp(3rem, 6vw, 6rem);
  font-weight: 900;
  line-height: 0.95;
  color: var(--white);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.hero-name em {
  font-style: italic;
  color: var(--accent);
}

.hero-subhead {
  font-size: clamp(0.85rem, 1.2vw, 1rem);
  font-weight: 400;
  color: var(--gray-400);
  letter-spacing: 0.03em;
  margin-bottom: 36px;
  border-left: 2px solid var(--accent);
  padding-left: 16px;
  line-height: 1.7;
}

.hero-bio {
  font-size: clamp(0.9rem, 1.1vw, 1.05rem);
  color: var(--gray-500);
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 48px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--accent);
  padding: 14px 32px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary:hover {
  background: var(--white);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white);
  padding: 13px 32px;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  background: transparent;
  transition: all var(--transition);
}

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

.hero-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  position: relative;
  z-index: 1;
}

/* ── PHOTO ── */
.hero-photo-wrap {
  position: relative;
  width: 100%;
  max-width: 340px;
}

.hero-photo-wrap::before {
  content: '';
  position: absolute;
  top: -10px;
  right: -10px;
  width: 100%;
  height: 100%;
  border: 1px solid rgba(200, 169, 126, 0.35);
  pointer-events: none;
  z-index: 0;
}

.hero-photo-wrap::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 35%;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.55), transparent);
  pointer-events: none;
  z-index: 1;
}

.hero-photo {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
  filter: contrast(1.06) grayscale(0.12);
  position: relative;
  z-index: 0;
}

.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  width: 100%;
  max-width: 340px;
}

.stat-card {
  background: var(--gray-100);
  padding: 32px 28px;
  border: 1px solid rgba(200, 169, 126, 0.08);
  transition: border-color var(--transition);
}

.stat-card:hover {
  border-color: rgba(200, 169, 126, 0.3);
}

.stat-number {
  font-family: var(--serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  text-transform: uppercase;
  line-height: 1.4;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--gray-400);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: bounce 2s ease-in-out infinite;
}

.hero-scroll-hint::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

@keyframes bounce {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(6px);
  }
}

/* ── CAPABILITIES ── */
#capabilities {
  background: var(--black);
}

.caps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.cap-card {
  background: var(--gray-100);
  padding: clamp(32px, 4vw, 52px) clamp(24px, 3vw, 40px);
  border: 1px solid rgba(200, 169, 126, 0.06);
  transition: all var(--transition);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.cap-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.cap-card:hover {
  background: var(--gray-200);
  border-color: rgba(200, 169, 126, 0.2);
}

.cap-card:hover::before {
  transform: scaleX(1);
}

.cap-icon {
  width: 48px;
  height: 48px;
  background: rgba(200, 169, 126, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  transition: background var(--transition);
}

.cap-card:hover .cap-icon {
  background: rgba(200, 169, 126, 0.2);
}

.cap-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.5;
}

.cap-title {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.2;
}

.cap-desc {
  font-size: 0.88rem;
  color: var(--gray-400);
  line-height: 1.75;
  margin-bottom: 24px;
}

.cap-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tool-tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(200, 169, 126, 0.08);
  border: 1px solid rgba(200, 169, 126, 0.2);
  padding: 5px 10px;
}

/* ── PROJECTS ── */
#projects {
  background: var(--cream);
}

#projects .section-label,
#projects .section-title {
  color: var(--black);
}

#projects .section-label {
  color: var(--accent-dark);
}

#projects .section-label::before {
  background: var(--accent-dark);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.project-card {
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.06);
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.12);
}

.project-card-inner {
  padding: clamp(28px, 3vw, 44px);
}

.project-num {
  font-family: var(--serif);
  font-size: 3.5rem;
  font-weight: 900;
  color: rgba(0, 0, 0, 0.04);
  line-height: 1;
  margin-bottom: 16px;
  transition: color var(--transition);
}

.project-card:hover .project-num {
  color: rgba(200, 169, 126, 0.15);
}

.project-tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 12px;
}

.project-title {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1.3;
  margin-bottom: 14px;
}

.project-desc {
  font-size: 0.85rem;
  color: var(--gray-300);
  line-height: 1.75;
  margin-bottom: 28px;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--black);
  text-decoration: none;
  padding: 9px 18px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  transition: all var(--transition);
}

.project-link:hover {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.project-link svg {
  width: 12px;
  height: 12px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

/* ── RESEARCH ── */
#research {
  background: var(--black);
}

.research-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.research-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 40px;
  background: var(--gray-100);
  border: 1px solid rgba(200, 169, 126, 0.06);
  padding: clamp(24px, 3vw, 40px);
  transition: all var(--transition);
}

.research-item:hover {
  border-color: rgba(200, 169, 126, 0.25);
  background: var(--gray-200);
}

.research-num {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--accent);
  font-weight: 600;
  padding-top: 4px;
  min-width: 32px;
}

.research-award {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--accent);
  padding: 4px 10px;
  margin-bottom: 14px;
}

.research-title {
  font-family: var(--serif);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1.35;
  margin-bottom: 12px;
}

.research-desc {
  font-size: 0.84rem;
  color: var(--gray-400);
  line-height: 1.7;
}

.research-tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(200, 169, 126, 0.08);
  border: 1px solid rgba(200, 169, 126, 0.2);
  padding: 5px 10px;
  margin-bottom: 12px;
  display: inline-block;
}

.btn-research {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
  padding: 11px 22px;
  border: 1px solid rgba(200, 169, 126, 0.35);
  white-space: nowrap;
  align-self: flex-start;
  transition: all var(--transition);
}

.btn-research:hover {
  background: var(--accent);
  color: var(--black);
}

.btn-research svg {
  width: 13px;
  height: 13px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

/* ── EXPERIENCE / TIMELINE ── */
#experience {
  background: var(--gray-100);
}

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

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

.timeline-item {
  position: relative;
  padding-bottom: clamp(36px, 5vw, 60px);
}

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

.timeline-dot {
  position: absolute;
  left: -36px;
  top: 6px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--accent);
  background: var(--black);
  border-radius: 50%;
  transition: background var(--transition);
}

.timeline-item:hover .timeline-dot {
  background: var(--accent);
}

.timeline-period {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.timeline-role {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  font-weight: 600;
  color: var(--white);
  margin-bottom: 6px;
  line-height: 1.3;
}

.timeline-org {
  font-size: 0.84rem;
  color: var(--gray-400);
  font-style: italic;
}

/* ── CONTACT / FOOTER ── */
#contact {
  background: var(--black);
  text-align: center;
  padding: var(--section-pad) clamp(24px, 7vw, 120px);
}

.contact-headline {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
  font-style: italic;
  color: var(--white);
  line-height: 1.15;
  max-width: 800px;
  margin: 0 auto 48px;
}

.contact-headline em {
  color: var(--accent);
  font-style: normal;
}

.contact-details {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 40px;
  margin-bottom: 48px;
}

.contact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.contact-item-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

.contact-item-value {
  font-size: 0.95rem;
  color: var(--gray-400);
  text-decoration: none;
  transition: color var(--transition);
}

a.contact-item-value:hover {
  color: var(--white);
}

footer {
  background: var(--black);
  border-top: 1px solid rgba(200, 169, 126, 0.1);
  padding: 28px clamp(24px, 5vw, 80px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-brand {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

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

.footer-copy {
  font-size: 0.75rem;
  color: var(--gray-400);
  letter-spacing: 0.05em;
}

/* ── ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

.reveal-delay-4 {
  transition-delay: 0.4s;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {

  .caps-grid,
  .projects-grid {
    grid-template-columns: 1fr 1fr;
  }

  .research-item {
    grid-template-columns: auto 1fr;
  }

  .research-item .btn-research {
    grid-column: 2;
    margin-top: 16px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-cv-btn {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  #hero {
    grid-template-columns: 1fr;
    padding-top: 120px;
    gap: 60px;
    min-height: auto;
    padding-bottom: 80px;
  }

  .hero-right {
    order: -1;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }

  .caps-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .research-item {
    grid-template-columns: 1fr;
  }

  .research-num {
    display: none;
  }

  footer {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-details {
    flex-direction: column;
    gap: 24px;
  }
}