/* ================================================================
   OCTAVIO VELÁZQUEZ — PORTAFOLIO
   style.css — Sistema de diseño completo
   ================================================================ */

/* ── FUENTES ─────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,700;1,400;1,500&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&family=DM+Mono:wght@300;400&display=swap');

/* ── VARIABLES ───────────────────────────────────────────────── */
:root {
  /* Colores — modo claro */
  --bg:          #fafaf8;
  --bg-2:        #f2f2ee;
  --bg-dark:     #111110;
  --ink:         #111110;
  --ink-2:       #444440;
  --ink-3:       #888880;
  --rule:        #ddddd8;
  --accent:      #5a7a6a;   /* verde musgo suave */
  --accent-lt:   #e8f0ec;

  /* Tipografía */
  --serif:       'Playfair Display', Georgia, serif;
  --sans:        'DM Sans', system-ui, sans-serif;
  --mono:        'DM Mono', monospace;

  /* Espaciado */
  --gap:         clamp(40px, 6vw, 100px);
  --section-pad: clamp(80px, 12vw, 160px);
  --container:   1320px;
  --gutter:      clamp(20px, 5vw, 60px);

  /* Transiciones */
  --ease:        cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out:    cubic-bezier(0.0, 0.0, 0.2, 1);
  --dur:         0.55s;
}

/* Modo oscuro */
[data-theme="dark"] {
  --bg:          #111110;
  --bg-2:        #1a1a18;
  --bg-dark:     #fafaf8;
  --ink:         #f0f0ec;
  --ink-2:       #b0b0a8;
  --ink-3:       #666660;
  --rule:        #2a2a28;
  --accent:      #7aaa8a;
  --accent-lt:   #1a2a22;
}

/* ── RESET ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none; /* Cursor personalizado */
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: none; border: none; background: none; font-family: var(--sans); }

/* ── CURSOR PERSONALIZADO ────────────────────────────────────── */
#cursor {
  position: fixed;
  top: 0; left: 0;
  width: 20px; height: 20px;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.08s var(--ease), opacity 0.3s;
}
#cursor::before, #cursor::after {
  content: '';
  position: absolute;
  background: var(--ink);
  transition: background var(--dur) var(--ease);
}
/* Cruz tipo CAD */
#cursor::before { width: 1px; height: 20px; left: 50%; top: 0; }
#cursor::after  { width: 20px; height: 1px; top: 50%; left: 0; }
#cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 4px; height: 4px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.04s linear;
}
#cursor.is-hover { transform: translate(-50%, -50%) scale(2); opacity: 0.5; }
#cursor.is-click { transform: translate(-50%, -50%) scale(0.6); }

/* ── UTILIDADES ─────────────────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 1rem;
}
.rule { border: none; border-top: 1px solid var(--rule); margin: 0; }

/* Animación de entrada */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── NAVEGACIÓN ─────────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 var(--gutter);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease);
}
#nav.scrolled {
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}
.nav-logo {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--ink);
  transition: opacity 0.3s;
}
.nav-logo:hover { opacity: 0.6; }
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: clamp(20px, 3vw, 40px);
  align-items: center;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
  position: relative;
  transition: color 0.3s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { width: 100%; }

/* Theme toggle */
#theme-toggle {
  width: 36px; height: 20px;
  border: 1px solid var(--rule);
  border-radius: 10px;
  position: relative;
  cursor: none;
  transition: border-color 0.3s;
}
#theme-toggle::after {
  content: '';
  position: absolute;
  width: 12px; height: 12px;
  background: var(--ink);
  border-radius: 50%;
  top: 3px; left: 3px;
  transition: transform 0.3s var(--ease), background 0.3s;
}
[data-theme="dark"] #theme-toggle::after { transform: translateX(16px); }

/* Nav mobile */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 1px;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

/* ── HERO ────────────────────────────────────────────────────── */
#hero {
  min-height: 100svh;
  display: grid;
  grid-template-rows: 1fr auto;
  padding-top: 64px;
  position: relative;
  overflow: hidden;
}

/* Grid de fondo tipo CAD */
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.35;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}
[data-theme="dark"] .hero-grid-bg { opacity: 0.12; }

/* Número grande decorativo */
.hero-numeral {
  position: absolute;
  right: -0.05em;
  top: 50%;
  transform: translateY(-55%);
  font-family: var(--serif);
  font-size: clamp(200px, 28vw, 420px);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px var(--rule);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  transition: -webkit-text-stroke-color var(--dur) var(--ease);
}

.hero-inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 1;
  padding: var(--gap) var(--gutter);
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
}

.hero-tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease) 0.2s forwards;
}
.hero-tag::before {
  content: '';
  width: 32px; height: 1px;
  background: var(--accent);
  flex-shrink: 0;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(3rem, 8vw, 8rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.4s forwards;
}
.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 300;
  color: var(--ink-2);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 1rem;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.6s forwards;
}

.hero-desc {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--ink-3);
  max-width: 460px;
  line-height: 1.85;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.75s forwards;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--ink);
  padding: 14px 28px;
  position: relative;
  overflow: hidden;
  transition: color 0.4s;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.9s forwards;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateX(-101%);
  transition: transform 0.4s var(--ease);
}
.btn-primary:hover::before { transform: none; }
.btn-primary span, .btn-primary svg { position: relative; z-index: 1; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-2);
  border: 1px solid var(--rule);
  padding: 13px 28px;
  transition: border-color 0.3s, color 0.3s, background 0.3s;
}
.btn-ghost:hover {
  border-color: var(--ink);
  color: var(--ink);
  background: var(--bg-2);
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.9s forwards;
}

/* Scroll indicator */
.hero-scroll {
  padding: var(--gutter);
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  z-index: 1;
  opacity: 0;
  animation: fadeIn 1s var(--ease) 1.4s forwards;
}
.hero-scroll-line {
  width: 40px; height: 1px;
  background: var(--rule);
  position: relative;
  overflow: hidden;
}
.hero-scroll-line::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: var(--accent);
  animation: scrollLine 2.5s var(--ease) 1.6s infinite;
}
@keyframes scrollLine {
  0%   { left: -100%; }
  50%  { left: 0%; }
  100% { left: 100%; }
}
.hero-scroll span {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ── ANIMACIONES BASE ────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: none; }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── SECCIÓN ENFOQUE ─────────────────────────────────────────── */
#enfoque {
  padding: var(--section-pad) 0;
  background: var(--bg-2);
  position: relative;
  overflow: hidden;
}

.enfoque-bg-text {
  position: absolute;
  bottom: -0.2em;
  left: -0.05em;
  font-family: var(--serif);
  font-size: clamp(80px, 14vw, 200px);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px var(--rule);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  transition: -webkit-text-stroke-color var(--dur) var(--ease);
}

.enfoque-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  align-items: start;
  position: relative;
  z-index: 1;
}

.enfoque-label-col {
  padding-top: 0.5em;
}

.enfoque-main-title {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 4.5rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 2rem;
}
.enfoque-main-title em { font-style: italic; color: var(--accent); }

.enfoque-body {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--ink-2);
  line-height: 1.85;
  margin-bottom: 2rem;
  max-width: 480px;
}

.enfoque-pillars {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--rule);
}
.enfoque-pillar {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
  align-items: flex-start;
  transition: background 0.2s;
}
.enfoque-pillar:hover { background: var(--bg); margin: 0 -24px; padding: 28px 24px; }
.enfoque-pillar-num {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--ink-3);
  padding-top: 3px;
  flex-shrink: 0;
  letter-spacing: 0.1em;
}
.enfoque-pillar-content h4 {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}
.enfoque-pillar-content p {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--ink-3);
  line-height: 1.7;
}

/* ── SECCIÓN EXPLORACIÓN ─────────────────────────────────────── */
#explora {
  padding: var(--section-pad) 0;
  background: var(--bg);
}

.explora-header {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 80px);
}
.explora-header h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4.5vw, 3.8rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.explora-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--rule);
}

.explora-card {
  background: var(--bg);
  padding: clamp(40px, 6vw, 80px);
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  overflow: hidden;
  transition: background 0.4s var(--ease);
  cursor: none;
  text-decoration: none;
}
.explora-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.6s var(--ease);
}
.explora-card:hover::after { width: 100%; }
.explora-card:hover { background: var(--bg-2); }

.explora-card-icon {
  font-size: 2rem;
  line-height: 1;
}
.explora-card-num {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--ink-3);
}
.explora-card h3 {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.1;
}
.explora-card p {
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--ink-3);
  max-width: 300px;
}
.explora-card-arrow {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  transform: translateX(0);
  transition: transform 0.3s var(--ease), gap 0.3s;
}
.explora-card:hover .explora-card-arrow { transform: translateX(6px); gap: 14px; }

/* ── SECCIÓN PROCESO ─────────────────────────────────────────── */
#proceso {
  padding: var(--section-pad) 0;
  background: var(--bg-2);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.proceso-header {
  margin-bottom: clamp(40px, 6vw, 72px);
}

.proceso-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--rule);
}
.proceso-step {
  background: var(--bg-2);
  padding: 40px 32px;
  position: relative;
}
.proceso-step-num {
  font-family: var(--serif);
  font-size: 4rem;
  font-weight: 400;
  color: var(--rule);
  line-height: 1;
  margin-bottom: 16px;
  transition: color var(--dur) var(--ease);
}
.proceso-step:hover .proceso-step-num { color: var(--accent); }
.proceso-step h4 {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.proceso-step p {
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--ink-3);
  line-height: 1.7;
}
.proceso-step::after {
  content: '→';
  position: absolute;
  top: 50%;
  right: -14px;
  transform: translateY(-50%);
  font-size: 0.8rem;
  color: var(--rule);
  z-index: 1;
}
.proceso-step:last-child::after { display: none; }

/* ── SECCIÓN ARQUITECTURA ────────────────────────────────────── */
#arquitectura {
  padding: var(--section-pad) 0;
  background: var(--bg);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: clamp(40px, 6vw, 72px);
  gap: 24px;
  flex-wrap: wrap;
}
.section-header-left h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4.5vw, 3.8rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.1;
}
.section-header-left p {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--ink-3);
  margin-top: 10px;
  max-width: 400px;
  line-height: 1.75;
}

/* Grid de proyectos arquitectura */
.arq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--rule);
}

/* Primer proyecto — destacado grande */
.arq-project {
  background: var(--bg);
  position: relative;
  overflow: hidden;
  cursor: none;
}
.arq-project.featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.arq-project-img {
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
  background: var(--bg-2);
}
.arq-project.featured .arq-project-img {
  aspect-ratio: auto;
  min-height: 420px;
}

/* Placeholder imagen con patrón */
.img-placeholder {
  width: 100%; height: 100%;
  background: var(--bg-2);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.7s var(--ease);
}
.arq-project:hover .img-placeholder { transform: scale(1.03); }
.img-placeholder-inner {
  text-align: center;
  position: relative;
  z-index: 1;
}
.img-placeholder-inner svg {
  opacity: 0.15;
  margin: 0 auto 12px;
}
.img-placeholder-inner span {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
  opacity: 0.6;
}
/* Grid de líneas en el placeholder */
.img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.6;
}

.arq-project-info {
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.arq-project.featured .arq-project-info { padding: 48px 48px; }

.arq-project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.arq-project-index {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--ink-3);
}
.arq-project-tag {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 3px 10px;
}

.arq-project-title {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.5vw, 2.4rem);
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 10px;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.arq-project-subtitle {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--ink-3);
  line-height: 1.75;
  margin-bottom: 24px;
}

.arq-project-details {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
}
.arq-detail {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--ink-3);
  letter-spacing: 0.1em;
}
.arq-detail strong {
  display: block;
  color: var(--ink);
  font-weight: 400;
  margin-bottom: 2px;
}

/* Galería placeholder */
.arq-gallery-placeholder {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--rule);
  margin-top: 16px;
}
.gallery-thumb {
  aspect-ratio: 4/3;
  background: var(--bg-2);
  position: relative;
  overflow: hidden;
}
.gallery-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.8;
}

/* Sección de texto de proyecto */
.project-text-section {
  padding: 48px 0;
  border-top: 1px solid var(--rule);
  margin-top: 2px;
}
.project-text-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--gap);
}
.project-text-label {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding-top: 4px;
}
.project-text-content h4 {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 10px;
}
.project-text-content p {
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--ink-2);
  line-height: 1.85;
  background: var(--bg-2);
  padding: 16px 20px;
  border-left: 2px solid var(--rule);
}

/* ── SECCIÓN WEB ─────────────────────────────────────────────── */
#web {
  padding: var(--section-pad) 0;
  background: var(--bg-2);
}

.web-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--rule);
}

.web-card {
  background: var(--bg-2);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  cursor: none;
  transition: background 0.3s;
}
.web-card:hover { background: var(--bg); }
.web-card.featured {
  grid-column: span 2;
  background: var(--ink);
  color: var(--bg);
}
.web-card.featured:hover { background: var(--ink-2); }

.web-card-num {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--ink-3);
  margin-bottom: 20px;
}
.web-card.featured .web-card-num { color: color-mix(in srgb, white 40%, transparent); }

.web-card-title {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.5vw, 2rem);
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 6px;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.web-card.featured .web-card-title { color: var(--bg); }

.web-card-url {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 16px;
}
.web-card.featured .web-card-url { color: var(--accent-lt); }

.web-card-desc {
  font-size: 0.83rem;
  font-weight: 300;
  color: var(--ink-3);
  line-height: 1.75;
  margin-bottom: 24px;
  flex: 1;
}
.web-card.featured .web-card-desc { color: color-mix(in srgb, white 65%, transparent); }

.web-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
}
.web-tag {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid var(--rule);
  color: var(--ink-3);
}
.web-card.featured .web-tag {
  border-color: color-mix(in srgb, white 20%, transparent);
  color: color-mix(in srgb, white 60%, transparent);
}

.web-card-link {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.3s var(--ease);
}
.web-card:hover .web-card-link { gap: 14px; }
.web-card.featured .web-card-link { color: var(--accent-lt); }

/* ── SECCIÓN SIMULADOR ───────────────────────────────────────── */
#simulador {
  padding: var(--section-pad) 0;
  background: var(--bg-dark);
  color: var(--bg);
  position: relative;
  overflow: hidden;
}
[data-theme="dark"] #simulador { background: #0a0a09; }

.sim-noise {
  position: absolute;
  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='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.04;
}

.sim-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.sim-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  align-items: start;
}

.sim-eyebrow {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 12px;
}
.sim-eyebrow::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--accent);
}

.sim-title {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 4.5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #f0f0ec;
  margin-bottom: 1.5rem;
}
.sim-title em { font-style: italic; color: var(--accent); }

.sim-body {
  font-size: 0.95rem;
  font-weight: 300;
  color: #8a8a82;
  line-height: 1.85;
  margin-bottom: 2.5rem;
  max-width: 460px;
}

.sim-features {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid #2a2a28;
  margin-bottom: 2.5rem;
}
.sim-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid #2a2a28;
}
.sim-feature-icon {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 7px;
}
.sim-feature span {
  font-size: 0.83rem;
  color: #7a7a72;
  line-height: 1.6;
}
.sim-feature strong { color: #c0c0b8; font-weight: 400; }

.sim-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #5a5a52;
}
.sim-status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: simPulse 2.5s ease-in-out infinite;
}
@keyframes simPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.3; transform: scale(0.8); }
}

/* Canvas del simulador */
.sim-visual {
  position: relative;
  background: #0d0d0c;
  border: 1px solid #2a2a28;
  padding: 32px;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.sim-visual-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 32px 32px;
}
#sim-canvas {
  position: relative;
  z-index: 1;
  display: block;
}
.sim-canvas-label {
  position: absolute;
  bottom: 16px;
  right: 16px;
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  color: #3a3a32;
  text-transform: uppercase;
}

/* ── SOBRE MÍ ────────────────────────────────────────────────── */
#sobre {
  padding: var(--section-pad) 0;
  background: var(--bg);
}

.sobre-grid {
  display: grid;
  grid-template-columns: 5fr 3fr;
  gap: var(--gap);
  align-items: start;
}

.sobre-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4.5vw, 3.8rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}
.sobre-title em { font-style: italic; color: var(--accent); }

.sobre-body {
  font-size: 1rem;
  font-weight: 300;
  color: var(--ink-2);
  line-height: 1.85;
  margin-bottom: 1rem;
  max-width: 540px;
}

/* Stats animados */
.sobre-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--rule);
  margin-top: 3rem;
}
.stat-item {
  background: var(--bg);
  padding: 28px 24px;
}
.stat-num {
  font-family: var(--serif);
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 6px;
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.stat-num .stat-plus {
  font-size: 1.5rem;
  color: var(--accent);
}
.stat-label {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* Columna derecha */
.sobre-skills-col {}
.sobre-skills-section {
  margin-bottom: 2rem;
}
.sobre-skills-section:last-child { margin-bottom: 0; }
.sobre-skills-label {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 12px;
}
.sobre-skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.skill-pill {
  font-size: 0.72rem;
  color: var(--ink-2);
  padding: 5px 12px;
  background: var(--bg-2);
  transition: background 0.2s, color 0.2s;
}
.skill-pill:hover { background: var(--accent-lt); color: var(--accent); }

/* ── CONTACTO ────────────────────────────────────────────────── */
#contacto {
  padding: var(--section-pad) 0;
  background: var(--bg-2);
  border-top: 1px solid var(--rule);
}

.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  align-items: start;
}

.contacto-info-title {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}
.contacto-info-title em { font-style: italic; color: var(--accent); }

.contacto-info-text {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--ink-3);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.contacto-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contacto-detail {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.contacto-detail-icon {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  padding-top: 2px;
  min-width: 28px;
}
.contacto-detail-content strong {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  margin-bottom: 2px;
}
.contacto-detail-content a, .contacto-detail-content span {
  font-size: 0.88rem;
  color: var(--ink-2);
  transition: color 0.2s;
}
.contacto-detail-content a:hover { color: var(--accent); }

/* Formulario */
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-bottom: 1px solid var(--ink-3);
  padding: 12px 16px;
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--ink);
  outline: none;
  transition: border-color 0.3s;
  -webkit-appearance: none;
  border-radius: 0;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}
.form-group textarea {
  height: 120px;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--ink-3);
  font-weight: 300;
}

/* ── FOOTER ──────────────────────────────────────────────────── */
footer {
  padding: clamp(40px, 6vw, 80px) 0 clamp(24px, 4vw, 48px);
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}
[data-theme="dark"] footer { background: #0a0a09; }

.footer-name {
  font-family: var(--serif);
  font-size: clamp(3rem, 10vw, 10rem);
  font-weight: 400;
  color: transparent;
  -webkit-text-stroke: 1px color-mix(in srgb, white 15%, transparent);
  letter-spacing: -0.03em;
  line-height: 0.9;
  margin-bottom: clamp(20px, 4vw, 60px);
  pointer-events: none;
  user-select: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid #2a2a28;
  padding-top: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: #444440;
}
.footer-links {
  display: flex;
  gap: 20px;
}
.footer-links a {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #444440;
  transition: color 0.3s;
}
.footer-links a:hover { color: var(--accent); }

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .enfoque-grid { grid-template-columns: 1fr; }
  .explora-cards { grid-template-columns: 1fr; }
  .arq-grid { grid-template-columns: 1fr; }
  .arq-project.featured { grid-column: span 1; grid-template-columns: 1fr; }
  .arq-project.featured .arq-project-img { min-height: 280px; }
  .web-grid { grid-template-columns: 1fr; }
  .web-card.featured { grid-column: span 1; }
  .sim-inner { grid-template-columns: 1fr; }
  .sobre-grid { grid-template-columns: 1fr; }
  .sobre-stats { grid-template-columns: repeat(3, 1fr); }
  .contacto-grid { grid-template-columns: 1fr; }
  .proceso-steps { grid-template-columns: repeat(2, 1fr); }
  .proceso-step::after { display: none; }
  body { cursor: auto; }
  #cursor, #cursor-dot { display: none; }
}

@media (max-width:600px){

  .nav-links{
    display:flex;
    flex-direction:column;
    position:fixed;
    inset:0;
    background:var(--bg);
    align-items:center;
    justify-content:center;
    gap:32px;
    z-index:99;

    opacity:0;
    visibility:hidden;
    transform:translateY(-20px);
    transition:
      opacity .35s ease,
      transform .35s ease,
      visibility .35s;

    will-change: transform, opacity;
    transform: translate3d(0,-18px,0);
  }

  .nav-open .nav-links{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }

  .nav-hamburger{
    display:flex;
  }

  body.nav-open{
    overflow:hidden;
  }
}

/* Overlay para cerrar al tocar fuera */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 98;
}
.nav-open .nav-overlay { display: block; }

/* Botón X dentro del menú */
.nav-close {
  position: fixed;
  top: 18px;
  right: var(--gutter);
  z-index: 100;
  display: none;
  flex-direction: column;
  gap: 0;
  padding: 8px;
  cursor: none;
}
.nav-open .nav-close { display: flex; }
.nav-close span {
  display: block;
  width: 22px; height: 1px;
  background: var(--ink);
}
.nav-close span:first-child { transform: rotate(45deg) translate(0px, 0.5px); }
.nav-close span:last-child  { transform: rotate(-45deg) translate(0px, -0.5px); }
.nav-links{
  will-change: transform, opacity;
}

body.nav-open{
  overflow:hidden;
}