/* ============================================================
   Isabelle Lee — Portfolio
   Minimalist, professional styling
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Anton&family=Cormorant+Garamond:wght@300;400;500;600&family=Inter:wght@300;400;500&display=swap');

:root {
  --bg: #faf9f6;
  --bg-alt: #f2f0ea;
  --ink: #1c1b19;
  --ink-soft: #55534c;
  --line: #ddd9d0;
  --accent: #8a8578;
  --max-width: 1240px;
  --nav-height: 84px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 48px;
}

h1, h2, h3, h4 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---------------- Navigation ---------------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  z-index: 100;
  transition: background-color 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.is-solid {
  background: rgba(250, 249, 246, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Anton', sans-serif;
  font-size: 19px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Anton', sans-serif;
  font-size: 14px;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 4px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--ink);
  transition: width 0.3s var(--ease);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 22px;
  height: 1px;
  background: var(--ink);
  display: block;
}

/* ---------------- Hero ---------------- */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 64px;
}

.hero-name {
  font-family: 'Anton', 'Cormorant Garamond', sans-serif;
  font-size: clamp(84px, 17vw, 220px);
  line-height: 0.92;
  font-weight: 400;
  letter-spacing: 0.005em;
  text-transform: uppercase;
}

.hero-divider {
  width: 48px;
  height: 1px;
  background: var(--line);
  margin: 36px auto 28px;
}

.hero-subtitle {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(22px, 3vw, 30px);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.hero-tagline {
  margin-top: 14px;
  font-size: 14px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.hero-scroll {
  margin-top: 56px;
  width: 1px;
  height: 48px;
  background: linear-gradient(var(--ink), transparent);
  animation: scrollPulse 2.2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 0.9; }
}

/* ---------------- Category split (home) ---------------- */

.category-split {
  display: grid;
  grid-template-columns: 1fr;
}

.category-panel {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  display: block;
}

.category-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease), filter 0.8s var(--ease);
  filter: grayscale(20%);
}

.category-panel:hover img {
  transform: scale(1.04);
  filter: grayscale(0%);
}

.category-panel-number {
  position: absolute;
  top: 32px;
  left: 32px;
  color: rgba(255,255,255,0.85);
  font-family: 'Cormorant Garamond', serif;
  font-size: 15px;
  letter-spacing: 0.1em;
}

.category-panel-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 40px;
  background: linear-gradient(to top, rgba(0,0,0,0.4), transparent 55%);
}

.category-panel-label {
  color: #fff;
}

.category-panel-label .eyebrow {
  color: rgba(255,255,255,0.75);
}

.category-panel-label h2 {
  font-size: clamp(32px, 3.8vw, 48px);
  margin-top: 8px;
}

/* ---------------- Section shell ---------------- */

.page-hero {
  padding: 132px 0 48px;
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  font-size: clamp(44px, 6.4vw, 72px);
  margin-top: 10px;
}

.page-hero p {
  margin-top: 18px;
  max-width: 560px;
  color: var(--ink-soft);
  font-size: 17px;
}

section {
  padding: 64px 0;
}

/* ---------------- Photography categories ---------------- */

.category-section {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}

.category-section:last-child {
  border-bottom: none;
  padding-bottom: 64px;
}

.category-heading {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  column-gap: 20px;
  row-gap: 12px;
  margin-bottom: 24px;
}

.category-heading .eyebrow {
  grid-column: 1;
  grid-row: 1;
}

.category-heading h2 {
  grid-column: 2;
  grid-row: 1;
  font-size: clamp(28px, 3.2vw, 38px);
}

.category-desc {
  grid-column: 1 / -1;
  grid-row: 2;
  color: var(--ink-soft);
  font-style: italic;
  font-size: 15px;
  max-width: 640px;
}

.subcategory {
  margin-top: 36px;
}

.subcategory + .subcategory {
  border-top: 1px solid var(--line);
  padding-top: 36px;
}

.subcategory-title {
  font-size: clamp(20px, 2.2vw, 24px);
  margin-bottom: 10px;
}

.subcategory .category-desc {
  margin-bottom: 20px;
}

/* ---------------- Photography grid ---------------- */

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

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

.grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

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

.grid-item-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 18px;
  color: #fff;
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: linear-gradient(to top, rgba(0,0,0,0.55), transparent);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.grid-item:hover .grid-item-caption {
  opacity: 1;
}

/* fade-in on scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

/* ---------------- Lightbox ---------------- */

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(20, 19, 17, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease);
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox img {
  max-width: 100%;
  max-height: 82vh;
  width: auto;
  margin: 0 auto;
}

.lightbox-caption {
  color: #eae7e0;
  text-align: center;
  margin-top: 18px;
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lightbox-close {
  position: absolute;
  top: 32px;
  right: 40px;
  background: none;
  border: none;
  color: #eae7e0;
  font-size: 15px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #eae7e0;
  font-size: 28px;
  cursor: pointer;
  padding: 12px 18px;
}

.lightbox-prev { left: 12px; }
.lightbox-next { right: 12px; }

/* ---------------- Film list ---------------- */

.film-list {
  display: flex;
  flex-direction: column;
}

.film-entry {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 48px 0 72px;
  border-bottom: 1px solid var(--line);
}

.film-entry:first-child {
  padding-top: 0;
}

.film-entry:nth-child(even) .film-media {
  order: 2;
}

.film-media {
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--bg-alt);
  position: relative;
}

.film-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.film-entry:hover .film-media img {
  transform: scale(1.03);
}

.film-meta .eyebrow {
  margin-bottom: 10px;
  display: block;
}

.film-meta h3 {
  font-size: 32px;
  margin-bottom: 8px;
}

.film-credit {
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--accent);
  margin-bottom: 16px;
}

.film-meta p {
  color: var(--ink-soft);
  font-size: 16px;
  max-width: 440px;
}

.film-watch-link {
  display: inline-block;
  margin-top: 20px;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 3px;
}

.film-meta .film-tags {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.film-meta .film-tags span {
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  padding: 5px 12px;
}

/* ---------------- About ---------------- */

.about-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: start;
}

.about-portrait {
  position: sticky;
  top: 120px;
  overflow: hidden;
}

.about-portrait img {
  filter: grayscale(15%);
}

.about-copy p {
  margin-bottom: 20px;
  color: var(--ink-soft);
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 19px;
  font-weight: 400;
  line-height: 1.6;
  max-width: 580px;
}

.about-info {
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 220px));
  gap: 24px;
}

.about-info h4 {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  font-weight: 500;
}

.about-info p {
  font-size: 15px;
  color: var(--ink-soft);
  margin: 0;
}

.placeholder-note {
  display: inline-block;
  margin-top: 24px;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #b08a4e;
  background: #f7edda;
  border: 1px solid #ecd9b8;
  padding: 8px 14px;
}

/* ---------------- Footer ---------------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.footer-links a {
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.footer-links a:hover {
  color: var(--ink);
}

.footer-copy {
  font-size: 14px;
  color: var(--ink-soft);
}

/* ---------------- Responsive ---------------- */

@media (max-width: 900px) {
  .container { padding: 0 28px; }
  .nav-inner { padding: 0 28px; }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s var(--ease);
  }

  .nav-links.is-open {
    max-height: 320px;
  }

  .nav-links a {
    display: block;
    padding: 18px 28px;
    border-top: 1px solid var(--line);
  }

  .nav-toggle {
    display: flex;
  }

  .category-split {
    grid-template-columns: 1fr;
  }

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

  .film-entry {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .film-entry:nth-child(even) .film-media {
    order: 0;
  }

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

  .about-portrait {
    position: static;
    max-width: 320px;
  }
}

@media (max-width: 560px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3px;
  }
  .hero { padding-top: 120px; }
}