/* ============================================
   Ana Sofía Moreno — Portafolio
   Editorial / Galería minimalista
   ============================================ */

:root {
  /* Warm palette */
  --bg: #f3ede2;
  --bg-2: #ebe3d3;
  --paper: #faf6ec;
  --ink: #1a1714;
  --ink-2: #4b443c;
  --ink-3: #8a8174;
  --rule: #c9bfac;
  --accent: #9a5c39;        /* clay terracotta */
  --accent-deep: #6e3f25;
  --accent-soft: #c8a48a;

  /* Type */
  --display: "Instrument Serif", "Cormorant Garamond", Georgia, serif;
  --sans: "DM Sans", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --mono: "DM Mono", "JetBrains Mono", ui-monospace, monospace;

  /* Layout */
  --gutter: clamp(20px, 4vw, 64px);
  --col-max: 1480px;
  --section-pad: clamp(80px, 12vw, 180px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; user-select: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }

/* ============================================
   Type system
   ============================================ */
.display {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 0.95;
}
.italic { font-style: italic; }
.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 22px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
  transition: background 0.4s ease, backdrop-filter 0.4s ease;
}
.nav.is-scrolled {
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.nav > * { pointer-events: auto; }
.nav-mark {
  font-family: var(--display);
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.nav-mark em { font-style: italic; color: var(--accent); }
.nav-links {
  display: flex;
  gap: 28px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nav-links a {
  position: relative;
  padding: 4px 0;
  color: var(--ink-2);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: currentColor;
  transition: width 0.3s ease;
}
.nav-links a:hover::after { width: 100%; }

/* ============================================
   Hero
   ============================================ */
.hero {
  min-height: 100vh;
  padding: clamp(120px, 18vh, 200px) var(--gutter) 60px;
  position: relative;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 40px;
}
.hero-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 24px;
}
.hero-meta .mono { font-size: 0.7rem; }
.hero-name {
  font-size: clamp(56px, 13.5vw, 220px);
  margin-top: 16px;
  margin-bottom: 8px;
  letter-spacing: -0.035em;
}
.hero-name .italic {
  font-family: var(--display);
  color: var(--accent);
}
.hero-role {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(22px, 3.2vw, 44px);
  color: var(--ink-2);
  margin-top: 12px;
  letter-spacing: -0.01em;
}
.hero-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px 40px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
}
.hero-info dt {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 6px;
}
.hero-info dd {
  font-size: 0.95rem;
  color: var(--ink);
  line-height: 1.4;
}

/* Floating index hint */
.hero-scroll {
  position: absolute;
  right: var(--gutter);
  top: 35%;
  transform: rotate(90deg) translateX(50%);
  transform-origin: right center;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-scroll::before {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--ink-3);
}
@media (max-width: 900px) {
  .hero-scroll { display: none; }
}

/* ============================================
   Manifesto / Intro
   ============================================ */
.manifesto {
  padding: var(--section-pad) var(--gutter);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(40px, 8vw, 120px);
  align-items: start;
  border-top: 1px solid var(--rule);
}
.manifesto-label { position: sticky; top: 100px; }
.manifesto-body {
  font-family: var(--display);
  font-size: clamp(28px, 3.6vw, 52px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--ink);
  text-wrap: pretty;
}
.manifesto-body em { color: var(--accent); }
@media (max-width: 800px) {
  .manifesto { grid-template-columns: 1fr; }
  .manifesto-label { position: static; }
}

/* ============================================
   Project Index
   ============================================ */
.index {
  padding: clamp(60px, 8vw, 100px) var(--gutter) var(--section-pad);
  border-top: 1px solid var(--rule);
}
.index-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 16px;
}
.index-head h2 {
  font-family: var(--display);
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 400;
  letter-spacing: -0.02em;
}
.index-list { list-style: none; }
.index-row {
  display: grid;
  grid-template-columns: 60px 1fr auto 100px;
  gap: clamp(16px, 3vw, 48px);
  align-items: baseline;
  padding: 22px 0;
  border-top: 1px solid var(--rule);
  transition: padding 0.35s ease;
  position: relative;
  cursor: pointer;
}
.index-row:last-child { border-bottom: 1px solid var(--rule); }
.index-row .idx-num {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--ink-3);
}
.index-row .idx-title {
  font-family: var(--display);
  font-size: clamp(22px, 2.8vw, 40px);
  letter-spacing: -0.015em;
  line-height: 1.1;
  transition: transform 0.4s ease, color 0.3s ease;
}
.index-row .idx-title em {
  display: block;
  font-size: 0.65em;
  color: var(--ink-3);
  font-style: italic;
  margin-top: 4px;
}
.index-row .idx-year {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-2);
  letter-spacing: 0.06em;
}
.index-row .idx-arrow {
  font-family: var(--display);
  font-size: 1.4rem;
  color: var(--ink-3);
  text-align: right;
  transition: transform 0.4s ease, color 0.3s ease;
}
.index-row:hover .idx-title { transform: translateX(12px); color: var(--accent); }
.index-row:hover .idx-arrow { transform: translateX(-6px); color: var(--accent); }
.index-row:hover { background: linear-gradient(90deg, transparent, transparent); }

.index-preview {
  position: fixed;
  pointer-events: none;
  width: 320px;
  height: 240px;
  z-index: 50;
  opacity: 0;
  transition: opacity 0.25s ease;
  transform: translate(-50%, -50%);
  overflow: hidden;
  background: var(--paper);
  box-shadow: 0 20px 60px rgba(20, 15, 10, 0.18);
}
.index-preview.is-visible { opacity: 1; }
.index-preview img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 900px) {
  .index-preview { display: none; }
  .index-row { grid-template-columns: 40px 1fr auto; }
  .index-row .idx-arrow { display: none; }
}

/* ============================================
   Project sections
   ============================================ */
.project {
  padding: var(--section-pad) var(--gutter);
  border-top: 1px solid var(--rule);
  position: relative;
}
.project:nth-child(even) { background: var(--bg-2); }

.project-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  gap: clamp(32px, 6vw, 80px);
  margin-bottom: 56px;
}
.project-num {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(80px, 14vw, 220px);
  line-height: 0.85;
  color: var(--accent);
  letter-spacing: -0.04em;
}
.project-num span {
  display: block;
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.075em;
  letter-spacing: 0.2em;
  color: var(--ink-3);
  margin-top: 16px;
}
.project-info > .tag { margin-bottom: 16px; }
.project-title {
  font-family: var(--display);
  font-size: clamp(34px, 5.5vw, 72px);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 8px;
}
.project-title em { color: var(--accent); }
.project-sub {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(18px, 2.2vw, 26px);
  color: var(--ink-2);
  margin-bottom: 32px;
}
.project-desc {
  font-size: 1.02rem;
  line-height: 1.65;
  max-width: 56ch;
  color: var(--ink);
  margin-bottom: 28px;
  text-wrap: pretty;
}
.project-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 18px 32px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  max-width: 600px;
}
.project-meta dt {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 4px;
}
.project-meta dd {
  font-size: 0.92rem;
  color: var(--ink);
}

@media (max-width: 800px) {
  .project-head { grid-template-columns: 1fr; gap: 24px; }
}

/* Project galleries */
.gallery {
  display: grid;
  gap: clamp(12px, 1.5vw, 24px);
}
.gallery-hero {
  width: 100%;
  margin-bottom: clamp(12px, 1.5vw, 24px);
  overflow: hidden;
}
.gallery-hero img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s ease;
}
.gallery-hero:hover img { transform: scale(1.02); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(12px, 1.5vw, 24px);
}
.gallery-grid figure {
  overflow: hidden;
  cursor: zoom-in;
  position: relative;
}
.gallery-grid figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease, opacity 0.3s;
}
.gallery-grid figure:hover img { transform: scale(1.03); }

.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-5 { grid-column: span 5; }
.span-4 { grid-column: span 4; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }
.ratio-43 { aspect-ratio: 4/3; }
.ratio-32 { aspect-ratio: 3/2; }
.ratio-169 { aspect-ratio: 16/9; }
.ratio-11 { aspect-ratio: 1/1; }
.ratio-23 { aspect-ratio: 2/3; }
.ratio-34 { aspect-ratio: 3/4; }

@media (max-width: 800px) {
  .gallery-grid { grid-template-columns: repeat(6, 1fr); }
  .span-6, .span-7, .span-5, .span-4, .span-8 { grid-column: span 6; }
}

/* ---- Collapsible gallery ---- */
.gallery-toggle {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: clamp(20px, 3vw, 36px) 0 0;
  padding: 16px 22px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
  cursor: pointer;
  transition: background 0.25s, border-color 0.25s, color 0.25s, transform 0.25s;
  align-self: flex-start;
  width: max-content;
  max-width: 100%;
}
.project:nth-child(even) .gallery-toggle { background: var(--bg); }
.gallery-toggle:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--paper);
  transform: translateY(-1px);
}
.gallery-toggle .toggle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 0.9rem;
  font-family: var(--display);
  font-style: italic;
  line-height: 1;
  transition: transform 0.4s ease;
}
.gallery-toggle .toggle-count {
  opacity: 0.7;
}
.gallery-toggle[aria-expanded="true"] .toggle-icon {
  transform: rotate(45deg);
}

.gallery-collapsible {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.6s cubic-bezier(.2,.7,.2,1);
  overflow: hidden;
}
.gallery-collapsible[data-expanded="true"] {
  grid-template-rows: 1fr;
}
.gallery-collapsible > .gallery-grid {
  min-height: 0;
  margin-top: clamp(16px, 2vw, 28px);
}

/* ============================================
   About
   ============================================ */
.about {
  padding: var(--section-pad) var(--gutter);
  border-top: 1px solid var(--rule);
  background: var(--paper);
}
.about-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 100px);
  align-items: center;
  margin-bottom: 80px;
}
.about-portrait {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/5;
}
.about-portrait img { width: 100%; height: 100%; object-fit: cover; }
.about-portrait .frame-mark {
  position: absolute;
  bottom: 16px;
  left: 16px;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  background: rgba(0,0,0,0.4);
  padding: 6px 10px;
  backdrop-filter: blur(4px);
}
.about-intro h2 {
  font-family: var(--display);
  font-size: clamp(42px, 6vw, 84px);
  letter-spacing: -0.025em;
  line-height: 0.95;
  margin-bottom: 32px;
  font-weight: 400;
}
.about-intro h2 em { color: var(--accent); }
.about-intro p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ink);
  margin-bottom: 18px;
  max-width: 52ch;
  text-wrap: pretty;
}

.about-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(32px, 5vw, 80px);
  padding-top: 60px;
  border-top: 1px solid var(--rule);
}
.about-cols h3 {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.6rem;
  font-weight: 400;
  margin-bottom: 24px;
  color: var(--accent-deep);
}
.about-cols ul { list-style: none; }
.about-cols li {
  padding: 14px 0;
  border-top: 1px solid var(--rule);
  font-size: 0.92rem;
  line-height: 1.5;
}
.about-cols li:first-child { border-top: none; padding-top: 0; }
.about-cols li strong {
  display: block;
  font-weight: 500;
  margin-bottom: 4px;
}
.about-cols li .when {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  margin-bottom: 4px;
}

.skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skill-chips span {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 7px 12px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--ink-2);
  background: var(--bg);
}

@media (max-width: 900px) {
  .about-head { grid-template-columns: 1fr; }
  .about-cols { grid-template-columns: 1fr; }
}

/* ============================================
   Contact
   ============================================ */
.contact {
  padding: var(--section-pad) var(--gutter);
  border-top: 1px solid var(--rule);
  background: var(--ink);
  color: var(--bg);
  position: relative;
}
.contact .display { color: var(--bg); }
.contact-title {
  font-family: var(--display);
  font-size: clamp(72px, 16vw, 280px);
  line-height: 0.9;
  letter-spacing: -0.04em;
  margin-bottom: 60px;
}
.contact-title em {
  font-style: italic;
  color: var(--accent-soft);
}
.contact-title .smiley {
  font-family: var(--display);
  font-style: italic;
  color: var(--accent-soft);
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px clamp(40px, 8vw, 120px);
  padding-top: 60px;
  border-top: 1px solid rgba(243, 237, 226, 0.18);
  max-width: 1100px;
}
.contact-grid dt {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin-bottom: 10px;
}
.contact-grid dd {
  font-family: var(--display);
  font-size: clamp(22px, 2.5vw, 34px);
  line-height: 1.2;
  margin-bottom: 4px;
}
.contact-grid dd a {
  position: relative;
  transition: color 0.2s;
}
.contact-grid dd a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: currentColor;
  opacity: 0.3;
  transition: opacity 0.3s;
}
.contact-grid dd a:hover { color: var(--accent-soft); }
.contact-grid dd a:hover::after { opacity: 1; }

.foot {
  margin-top: clamp(80px, 12vw, 160px);
  padding-top: 24px;
  border-top: 1px solid rgba(243, 237, 226, 0.18);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--accent-soft);
  text-transform: uppercase;
  flex-wrap: wrap;
  gap: 16px;
}
@media (max-width: 700px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ============================================
   Reveal animations
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s ease, transform 0.9s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }

/* ============================================
   Lightbox
   ============================================ */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(20, 17, 12, 0.94);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
  cursor: zoom-out;
}
.lightbox.is-open { display: flex; }
.lightbox img {
  max-width: 92vw;
  max-height: 88vh;
  object-fit: contain;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}
.lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
}
.lightbox-close:hover { color: white; }
.lightbox-counter {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.65);
}
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.8);
  font-family: var(--display);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.lightbox-nav:hover { background: rgba(255,255,255,0.18); }
.lightbox-prev { left: 32px; }
.lightbox-next { right: 32px; }
@media (max-width: 700px) {
  .lightbox-nav { width: 44px; height: 44px; }
  .lightbox-prev { left: 12px; }
  .lightbox-next { right: 12px; }
}

/* selection */
::selection { background: var(--accent); color: var(--bg); }