:root {
  --bg: #F5F8FF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F1F6FF;
  --bg-detail: #EDF3FF;
  --text: #0F1B2D;
  --text-muted: #455A78;
  --accent: #217CF9;
  --accent-dim: rgba(33, 124, 249, 0.10);
  --accent-mid: rgba(33, 124, 249, 0.18);
  --accent-contrast: #FFFFFF;
  --warm: #FF8A66;
  --blue: #217CF9;
  --purple: #6E8BFF;
  --line-soft: rgba(15, 27, 45, 0.08);
  --line: rgba(15, 27, 45, 0.14);
  --radius: 16px;
  --radius-sm: 10px;
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg);
  overflow-x: hidden;
  overflow-x: clip;
}

body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  overflow-x: clip;
  width: 100%;
}

::selection {
  background: var(--accent);
  color: var(--accent-contrast);
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

.main-nav {
  position: fixed;
  top: 0;
  width: 100%;
  height: auto;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line-soft);
  box-sizing: border-box;
}

.main-nav, section, .hero, .cta-section, footer {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.logo {
  font-family: 'DM Serif Display', serif;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}

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

.nav-links {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-left: auto;
  flex-shrink: 0;
}

.nav-links a:not(.nav-cta) { display: none; }

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.3s;
  white-space: nowrap;
}

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

.nav-cta {
  background: var(--accent) !important;
  color: var(--accent-contrast) !important;
  padding: 8px 18px;
  border-radius: 100px;
  font-weight: 600 !important;
  font-size: 0.75rem !important;
  transition: transform 0.3s, box-shadow 0.3s !important;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(33,124,249,0.28);
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 108px 20px 64px;
  position: relative;
  margin-top: 28px;
  overflow: clip;
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(150px);
  opacity: 0.12;
  pointer-events: none;
}

.hero-glow.g1 { background: var(--accent); top: 10%; right: 10%; }
.hero-glow.g2 { background: var(--warm); bottom: 10%; left: 5%; opacity: 0.06; }

.hero-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s forwards;
}

.hero h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.7rem, 11vw, 6.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 900px;
  opacity: 0;
  animation: fadeUp 0.8s 0.4s forwards;
}

.hero h1 em { font-style: italic; color: var(--accent); }

.hero-sub {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-top: 28px;
  font-weight: 300;
  line-height: 1.7;
  opacity: 0;
  animation: fadeUp 0.8s 0.6s forwards;
}

.hero-stats {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  gap: 12px;
  margin-top: 56px;
  opacity: 0;
  animation: fadeUp 0.8s 0.8s forwards;
}

.hero-stats > div {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-family: 'DM Serif Display', serif;
  font-size: 2rem;
  color: var(--accent);
  line-height: 1;
  text-transform: uppercase;
}

.stat-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0;
  margin-bottom: 6px;
}

section { padding: 80px 20px; }

.section-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 40px;
}

#proyectos .section-header {
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
}

.section-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.section-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2rem, 8vw, 2.4rem);
  letter-spacing: -0.02em;
}

.section-line {
  flex: 1;
  height: 1px;
  background: var(--line-soft);
  margin-left: 16px;
}

.projects-grid {
  display: grid;
  gap: 24px;
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
  min-height: 0;
  transition: border-color 0.4s, transform 0.4s;
  cursor: pointer;
  width: 100%;
  max-width: 100%;
  margin-inline: auto;
}

.project-card:hover {
  border-color: rgba(33,124,249,0.25);
  transform: translateY(-4px);
}

.project-visual {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
}

.project-visual .placeholder-art {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'DM Serif Display', serif;
  font-size: 4rem;
  color: rgba(15,27,45,0.12);
  transition: transform 0.6s, color 0.4s;
}

.project-card:hover .placeholder-art {
  transform: scale(1.08);
  color: rgba(33,124,249,0.20);
}

.pv-1 { background: linear-gradient(135deg, #eaf2ff, #dce9ff); }
.pv-2 { background: linear-gradient(135deg, #eef0ff, #e3e4ff); }
.pv-3 { background: linear-gradient(135deg, #ecf7ff, #ddf0ff); }
.pv-4 { background: linear-gradient(135deg, #fff4e9, #ffecd9); }

.project-info {
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }

.project-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--line);
  color: var(--text-muted);
}

.project-tag.role { border-color: var(--accent); color: var(--accent); }

.project-name {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2rem, 8vw, 2.4rem);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  overflow-wrap: anywhere;
}

.project-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 24px;
}

.project-outcome {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  overflow-wrap: anywhere;
}

.project-outcome::before { content: '\2197'; font-size: 1.1rem; }

.view-case {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.3s;
}

.project-card:hover .view-case { color: var(--accent); }

/* ── CASE STUDY DETAIL ── */
.case-detail {
  display: none;
  background: var(--bg-detail);
  border: 1px solid rgba(33,124,249,0.14);
  border-radius: var(--radius);
  margin-top: -16px;
  margin-bottom: 16px;
}

.case-detail.open {
  display: block;
  animation: fadeUp 0.5s forwards;
}

.case-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 24px 56px;
}

.case-close { display: flex; justify-content: flex-end; margin-bottom: 32px; }

.case-close button {
  background: none;
  border: 1px solid var(--line);
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.3s;
}

.case-close button:hover { border-color: var(--accent); color: var(--accent); }

.case-hero-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(1.8rem, 7vw, 2.2rem);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.case-hero-sub {
  color: var(--text-muted);
  font-weight: 300;
  font-size: 1.05rem;
  margin-bottom: 36px;
  line-height: 1.7;
}

.case-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 48px;
}

.meta-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 6px;
}

.meta-value { font-size: 0.9rem; color: var(--text); font-weight: 400; }

.case-section { margin-bottom: 48px; }

.case-section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.case-section h4 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.3rem;
  margin-bottom: 14px;
}

.case-section p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.8;
  font-weight: 300;
  margin-bottom: 12px;
}

.case-section p:last-child { margin-bottom: 0; }

.case-img-placeholder {
  background: var(--bg-card);
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin: 24px 0;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.04em;
}

.case-img-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 24px 0;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.result-card {
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  padding: 24px 20px;
  text-align: center;
}

.result-num {
  font-family: 'DM Serif Display', serif;
  font-size: 2rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}

.result-label { font-size: 0.78rem; color: var(--text-muted); font-weight: 300; }

.case-timeline {
  position: relative;
  padding-left: 28px;
  margin-top: 20px;
}

.case-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 1px;
  background: var(--line-soft);
}

.tl-step { position: relative; padding-bottom: 28px; }
.tl-step:last-child { padding-bottom: 0; }

.tl-step::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-detail);
}

.tl-title { font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; }

.tl-desc {
  color: var(--text-muted);
  font-size: 0.84rem;
  line-height: 1.7;
  font-weight: 300;
}

.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.process-step {
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: border-color 0.3s, transform 0.3s;
  position: relative;
  overflow: hidden;
}

.process-step:hover {
  border-color: rgba(33,124,249,0.20);
  transform: translateY(-3px);
}

.process-step::before {
  content: attr(data-step);
  position: absolute;
  top: -10px;
  right: -5px;
  font-family: 'DM Serif Display', serif;
  font-size: 6rem;
  color: rgba(15,27,45,0.06);
  line-height: 1;
}

.step-icon {
  font-family: 'DM Serif Display', serif;
  font-size: 2rem;
  margin-bottom: 20px;
  color: var(--accent);
}

.step-title { font-weight: 600; font-size: 1rem; margin-bottom: 10px; }

.step-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; font-weight: 300; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.about-photo {
  aspect-ratio: auto;
  background: transparent;
  border-radius: 0;
  border: 0;
  position: relative;
  overflow: visible;
  min-height: 420px;
}

.photo-deck {
  position: relative;
  width: min(100%, 360px);
  height: 420px;
  margin: 0 auto;
  touch-action: pan-y;
}

.photo-card {
  position: absolute;
  width: 78%;
  max-width: 280px;
  height: 78%;
  max-height: 340px;
  top: 0;
  left: 50%;
  border-radius: 16px;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--bg-card-hover);
  box-shadow: 0 14px 32px rgba(18,44,88,0.16);
  transform: translate3d(calc(-50% + var(--tx, 0px)), var(--ty, 0px), 0) rotate(var(--rot, 0deg));
  transition: transform 0.35s ease, opacity 0.3s ease;
  will-change: transform, opacity;
}

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.28s ease;
}

.photo-card:nth-child(1) { --ty: 0px; --rot: -1.5deg; z-index: 5; }
.photo-card:nth-child(2) { --ty: 8px; --rot: 1.2deg; z-index: 4; }
.photo-card:nth-child(3) { --ty: 16px; --rot: -0.8deg; z-index: 3; }
.photo-card:nth-child(4) { --ty: 24px; --rot: 0.6deg; z-index: 2; }
.photo-card:nth-child(5) { --ty: 32px; --rot: -0.4deg; z-index: 1; }

.photo-card.is-top { cursor: grab; }
.photo-card.is-dragging { cursor: grabbing; transition: none; }
.photo-card.is-discarded {
  opacity: 0;
  transform: translate3d(calc(-50% + var(--throw-x, 0px)), calc(var(--ty, 0px) - 24px), 0) rotate(calc(var(--rot, 0deg) + var(--throw-rot, 0deg)));
}
.photo-card.is-hidden { display: none; }

.about-photo::after {
  content: none;
}

.about-text {
  max-width: 980px;
  margin: 0 auto;
}

.about-text h3 {
  font-family: 'DM Serif Display', serif;
  font-size: 2rem;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-muted);
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.skills-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }

.skill-pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--line);
  color: var(--text-muted);
  transition: all 0.3s;
}

.skill-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.cta-section {
  text-align: center;
  padding: 96px 20px;
  position: relative;
  overflow: clip;
}

.cta-section .hero-glow {
  width: 500px; height: 500px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

.cta-section h2 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  margin-bottom: 20px;
  position: relative;
}

.cta-section p {
  color: var(--text-muted);
  font-weight: 300;
  max-width: 480px;
  margin: 0 auto 36px;
  font-size: 1.05rem;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: var(--accent-contrast);
  padding: 16px 36px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.3s, box-shadow 0.3s;
}

.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(33,124,249,0.28);
}

footer {
  padding: 32px 20px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

footer span { font-size: 0.8rem; color: var(--text-muted); font-weight: 300; }

.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  transition: color 0.3s;
}

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

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s, transform 0.7s;
}

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

@media (min-width: 601px) {
  section, .hero, .cta-section, footer, .main-nav { padding-left: 24px; padding-right: 24px; }
  .main-nav { padding: 12px 24px; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .results-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 901px) {
  section { padding: 100px 60px; }
  .main-nav { padding: 16px 40px; }
  .logo { font-size: 1.1rem; }
  .nav-links { gap: 24px; }
  .nav-links a:not(.nav-cta) { display: inline-block; }

  .hero {
    padding: 120px 60px 80px;
    margin-top: 40px;
  }
  .hero-sub { font-size: 1.15rem; }
  .hero-stats {
    width: min(100%, 980px);
    gap: 0;
    justify-content: space-between;
    border-top: 1px solid var(--line);
  }
  .hero-stats > div {
    flex: 1 1 0;
    padding: 24px 26px 20px;
  }
  .hero-stats > div + div {
    border-left: 1px solid var(--line);
  }
  .stat-num {
    font-size: 3rem;
    color: var(--text);
    line-height: 0.95;
    letter-spacing: -0.02em;
  }
  .stat-label {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 0.72rem;
    color: var(--accent);
    letter-spacing: 0.14em;
  }

  .section-header { margin-bottom: 56px; }
  .project-card {
    grid-template-columns: 1fr 1fr;
    min-height: 420px;
  }
  .project-card:nth-child(4n+2),
  .project-card:nth-child(4n+4) { direction: rtl; }
  .project-card:nth-child(4n+2) > *,
  .project-card:nth-child(4n+4) > * { direction: ltr; }
  .project-visual { min-height: 240px; }
  .project-info { padding: 48px 40px; }

  .case-img-row { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: repeat(4, 1fr); }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .about-photo {
    min-height: 430px;
  }
  .photo-deck {
    width: min(100%, 980px);
    height: 430px;
  }
  .photo-card {
    width: 220px;
    height: 320px;
    top: 50%;
    left: 50%;
    transform-origin: center center;
    border-radius: 16px;
    transition: transform 0.28s ease, box-shadow 0.28s ease;
  }
  .photo-card:nth-child(1) {
    z-index: 2;
    --deck-x: -320px;
    --deck-y: 30px;
    --deck-rot: -12deg;
    transform: translate(-50%, -50%) translate(var(--deck-x), var(--deck-y)) rotate(var(--deck-rot));
  }
  .photo-card:nth-child(2) {
    z-index: 3;
    --deck-x: -165px;
    --deck-y: 10px;
    --deck-rot: -6deg;
    transform: translate(-50%, -50%) translate(var(--deck-x), var(--deck-y)) rotate(var(--deck-rot));
  }
  .photo-card:nth-child(3) {
    z-index: 5;
    --deck-x: 0px;
    --deck-y: 0px;
    --deck-rot: 0deg;
    transform: translate(-50%, -50%) translate(var(--deck-x), var(--deck-y)) rotate(var(--deck-rot));
  }
  .photo-card:nth-child(4) {
    z-index: 4;
    --deck-x: 165px;
    --deck-y: 10px;
    --deck-rot: 6deg;
    transform: translate(-50%, -50%) translate(var(--deck-x), var(--deck-y)) rotate(var(--deck-rot));
  }
  .photo-card:nth-child(5) {
    z-index: 2;
    --deck-x: 320px;
    --deck-y: 30px;
    --deck-rot: 12deg;
    transform: translate(-50%, -50%) translate(var(--deck-x), var(--deck-y)) rotate(var(--deck-rot));
  }
  .photo-card:hover {
    z-index: 9;
    transform: translate(-50%, -50%) translate(var(--deck-x), calc(var(--deck-y) - 14px)) rotate(var(--deck-rot)) scale(1.03);
    box-shadow: 0 24px 54px rgba(18,44,88,0.22);
  }
  .photo-card:hover img {
    transform: scale(1.04);
  }
  .photo-card.is-top { cursor: default; }

  .cta-section { padding: 120px 60px; }
  footer {
    padding: 40px 60px;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
  }
  .footer-links { gap: 24px; }
}