/* --- Variables --- */
:root {
  --color-bg: #f8f6f2;
  --color-bg-alt: #efece6;
  --color-text: #1a1917;
  --color-text-muted: #5c5954;
  --color-accent: #a67c52;
  --color-accent-soft: rgba(166, 124, 82, 0.15);
  --color-border: rgba(26, 25, 23, 0.08);
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Outfit", system-ui, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --max-width: 72rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 0.5s;
}

/* --- Reset & base --- */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; margin: 0; }

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background: transparent;
  transition: background var(--duration) var(--ease-out), color var(--duration) var(--ease-out);
}
.site-header.scrolled {
  background: rgba(248, 246, 242, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.nav {
  display: flex;
  gap: var(--space-lg);
}
.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.85;
  transition: opacity 0.2s;
}
.nav a:hover { opacity: 1; }
.menu-btn {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}
.menu-btn span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-lg);
  color: #fff;
}
.hero .site-header { color: #fff; }
.hero .site-header.scrolled { color: var(--color-text); }
.hero .nav a { color: inherit; }
.hero .logo { color: inherit; }
.hero .menu-btn span { background: currentColor; }
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0.6) 100%);
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-content {
  text-align: center;
  max-width: 36rem;
}
.hero-label {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.9;
  margin-bottom: var(--space-sm);
  animation: fadeUp 0.8s var(--ease-out) 0.2s both;
}
.hero-title {
  font-size: clamp(3rem, 10vw, 5.5rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
  animation: fadeUp 0.8s var(--ease-out) 0.35s both;
}
.hero-tagline {
  font-size: 1.1rem;
  font-weight: 300;
  opacity: 0.92;
  margin-bottom: var(--space-lg);
  animation: fadeUp 0.8s var(--ease-out) 0.5s both;
}
.btn {
  display: inline-block;
  padding: 0.9rem 1.8rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.6);
  background: transparent;
  color: #fff;
  transition: background 0.3s var(--ease-out), color 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
  animation: fadeUp 0.8s var(--ease-out) 0.65s both;
}
.btn:hover {
  background: #fff;
  color: var(--color-text);
  border-color: #fff;
}
.hero-scroll {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.7;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.8), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.5; transform: scaleY(0.6); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}

/* --- Section shared --- */
.section-head {
  text-align: center;
  max-width: 28rem;
  margin: 0 auto var(--space-xl);
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-xs);
}
.section-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* --- Portfolio --- */
.portfolio {
  padding: var(--space-2xl) var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-lg);
}
.portfolio-card {
  grid-column: span 12;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  align-items: stretch;
  min-height: 320px;
  background: var(--color-bg-alt);
  border-radius: 4px;
  overflow: hidden;
  transition: transform var(--duration) var(--ease-out);
}
.portfolio-card:hover { transform: translateY(-4px); }
.portfolio-card:nth-child(even) .card-media { order: 2; }
.portfolio-card .card-media {
  min-height: 280px;
}
.portfolio-card .card-media img {
  width: 100%;
  height: 100%;
  min-height: 280px;
}
.portfolio-card .card-content {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.portfolio-card[data-theme="dark"] .card-content {
  background: var(--color-text);
  color: var(--color-bg);
}
.portfolio-card .card-content h3 {
  font-size: 1.6rem;
  margin-bottom: var(--space-sm);
}
.portfolio-card .card-content p {
  margin: 0;
  font-size: 0.95rem;
  opacity: 0.88;
  line-height: 1.55;
}

/* --- About --- */
.about {
  padding: var(--space-2xl) var(--space-lg);
  background: var(--color-bg-alt);
}
.about-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-xl);
  align-items: center;
}
.about-media {
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(26, 25, 23, 0.08);
}
.about-media img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}
.about-content .section-title { margin-bottom: var(--space-md); }
.about-lead {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}
.about-content p {
  margin: 0 0 var(--space-sm);
  color: var(--color-text-muted);
}
.about-content p:last-child { margin-bottom: 0; }

/* --- Contact --- */
.contact {
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
}
.contact-inner {
  max-width: 28rem;
  margin: 0 auto;
}
.contact .section-title { margin-bottom: var(--space-sm); }
.contact-desc {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}
.contact-email {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
  transition: opacity 0.2s;
}
.contact-email:hover { opacity: 0.8; }
.social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
}
.social-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color 0.2s;
}
.social-links a:hover { color: var(--color-accent); }

/* --- Footer --- */
.site-footer {
  padding: var(--space-lg);
  text-align: center;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .portfolio-card {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .portfolio-card:nth-child(even) .card-media { order: 0; }
  .portfolio-card .card-content { padding: var(--space-md); }
  .about-inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .about-media { max-width: 400px; margin: 0 auto; }
}

@media (max-width: 640px) {
  .nav { display: none; }
  .menu-btn { display: flex; }
  .menu-btn[hidden] { display: none; }
  .nav.open {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    background: var(--color-bg);
    z-index: 99;
  }
  .hero-title { font-size: 2.75rem; }
  .portfolio { padding: var(--space-xl) var(--space-md); }
  .contact-email { font-size: 1.25rem; }
  .social-links { flex-direction: column; }
}