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

:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --surface-raised: #1a1a1a;
  --border: rgba(255,255,255,0.08);
  --text-primary: #f5f5f5;
  --text-secondary: #999;
  --text-muted: #555;
  --accent: #e8ff47;
  --accent-dim: rgba(232,255,71,0.12);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --nav-h: 68px;
  --radius: 12px;
  --transition: 0.3s cubic-bezier(0.25,0.46,0.45,0.94);
}

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

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* ============================================================
   Navigation
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: linear-gradient(to bottom, rgba(10,10,10,0.9) 0%, transparent 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background var(--transition);
}

.nav.scrolled {
  background: rgba(10,10,10,0.95);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__brand {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.nav__links {
  list-style: none;
  display: flex;
  gap: 2.5rem;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color var(--transition);
}

.nav__link:hover { color: var(--text-primary); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: #0a0a0a;
  overflow: hidden;
}

/* Earth Globe Container */
.hero__globe {
  position: absolute;
  top: 50%;
  right: -5%;
  width: 70vmin;
  height: 70vmin;
  transform: translateY(-50%);
  z-index: 1;
  pointer-events: none;
}

@media (max-width: 1024px) {
  .hero__globe {
    right: -15%;
    width: 60vmin;
    height: 60vmin;
    opacity: 0.6;
  }
}

@media (max-width: 640px) {
  .hero__globe {
    top: 20%;
    right: -30%;
    width: 80vmin;
    height: 80vmin;
    transform: translateY(0);
    opacity: 0.4;
  }
}

/* Multi-layer shading that makes the hero pop */
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  /* Rich layered gradient – dark edges frame the content */
  background:
    radial-gradient(ellipse 80% 60% at 50% 110%, rgba(232,255,71,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 120% 80% at 0% 50%,   rgba(10,10,10,0.92) 0%, transparent 55%),
    radial-gradient(ellipse 100% 70% at 100% 0%,  rgba(10,10,10,0.7) 0%,  transparent 50%),
    linear-gradient(160deg, rgba(10,10,10,0.98) 0%, rgba(10,10,10,0.6) 45%, rgba(10,10,10,0.85) 100%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: calc(var(--nav-h) + 4rem) 2rem 6rem;
}

.hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.hero__name {
  font-size: clamp(3rem, 10vw, 8rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text-primary);
  text-shadow:
    0 0 80px rgba(232,255,71,0.08),
    0 4px 40px rgba(0,0,0,0.6);
  margin-bottom: 1rem;
}

.hero__tagline {
  font-size: clamp(1.1rem, 3vw, 1.75rem);
  font-weight: 300;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
}

.hero__bio {
  max-width: 560px;
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 2rem;
}

.hero__skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.hero__skill-tag {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0.3rem 0.85rem;
  transition: color var(--transition), border-color var(--transition);
}

.hero__skill-tag:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* Scroll hint */
.hero__scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__scroll-hint span {
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--accent));
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.7); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================================
   Buttons
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--accent);
  color: #0a0a0a;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(232,255,71,0.3);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 0.85rem 2rem;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}

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

/* ============================================================
   Work / Cards Section
   ============================================================ */
.work {
  padding: 7rem 2rem;
  max-width: 1280px;
  margin: 0 auto;
}

.work__header {
  margin-bottom: 4rem;
}

.work__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.work__subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.work__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

/* ============================================================
   Card
   ============================================================ */
.card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  color: var(--text-primary);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
  border-color: rgba(232,255,71,0.2);
}

.card__image-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--surface-raised);
}

.card__image {
  transition: transform 0.6s cubic-bezier(0.25,0.46,0.45,0.94);
}

.card:hover .card__image { transform: scale(1.05); }

.card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,10,0.7) 0%, transparent 50%);
  pointer-events: none;
}

.card__category {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(0,0,0,0.6);
  border: 1px solid rgba(232,255,71,0.3);
  border-radius: 100px;
  padding: 0.25rem 0.75rem;
  backdrop-filter: blur(6px);
}

.card__body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.card__title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.card__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.card__tag {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0.2rem 0.6rem;
}

.card__year {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  display: block;
}

/* ============================================================
   Project Detail
   ============================================================ */
.project-detail__hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: flex-end;
  background-color: #111;
  background-size: cover;
  background-position: center;
}

.project-detail__hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,10,1) 10%, rgba(10,10,10,0.5) 60%, rgba(10,10,10,0.2) 100%);
}

.project-detail__hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: calc(var(--nav-h) + 2rem) 2rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.back-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
  width: fit-content;
}

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

.project-detail__category {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

.project-detail__title {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.project-detail__year {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.project-detail__body {
  max-width: 720px;
  margin: 0 auto;
  padding: 4rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.project-detail__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-detail__long-desc {
  font-size: 1.15rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

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

.site-footer__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-footer__copy,
.site-footer__privacy {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.site-footer__privacy:hover { color: var(--text-secondary); }

/* ============================================================
   Privacy Page
   ============================================================ */
.privacy-content {
  max-width: 720px;
  margin: 0 auto;
  padding: calc(var(--nav-h) + 3rem) 2rem 4rem;
}

.privacy-content h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 2rem;
}

.privacy-content section {
  margin-bottom: 2rem;
}

.privacy-content h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.privacy-content p {
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 0.75rem;
}

.privacy-content ul {
  color: var(--text-secondary);
  line-height: 1.75;
  margin-left: 1.5rem;
}

.privacy-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.privacy-content a:hover {
  color: var(--text-primary);
}

.privacy-updated {
  margin-top: 3rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 640px) {
  .nav__links { gap: 1.25rem; }
  .work__grid { grid-template-columns: 1fr; }
  .hero__cta { flex-direction: column; align-items: flex-start; }
}

@media (min-width: 768px) {
  html { font-size: 16px; }
}