/* ============================================================
   VANTURIA — styles.css · v1
   Inicio definitivo · Cinematic 3D base + variantes (Tweaks)
   ============================================================ */

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

:root {
  /* Brand palette */
  --tinta:    #241A14;
  --terracota:#A65C3F;
  --sol:      #CD7A4C;
  --papel:    #F3ECE0;
  --arena:    #B49B86;

  /* Tweakable accent (JS may override) */
  --accent:   #CD7A4C;
  --accent2:  #A65C3F;

  /* Semantic — dark (default) */
  --bg:       #180F0A;
  --bg-soft:  rgba(18,9,5,0.6);
  --text:     #F3ECE0;
  --text-m:   rgba(243,236,224,0.62);
  --text-d:   rgba(243,236,224,0.30);
  --line:     rgba(243,236,224,0.10);
  --card:     rgba(18,9,5,0.6);
  --card-h:   rgba(30,15,8,0.85);

  /* Type */
  --f-display: 'Cormorant Garamond', Georgia, serif;
  --f-body:    'Inter', system-ui, sans-serif;

  --nav-h: 72px;
  --reveal-y: 32px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:  cubic-bezier(0.7, 0, 0.84, 0);
}

/* ── Light theme (gradient + claro) ─────────────────────── */
[data-theme="light"] {
  --bg:       #F5EEE2;
  --bg-soft:  rgba(245,238,226,0.85);
  --text:     #241A14;
  --text-m:   rgba(36,26,20,0.62);
  --text-d:   rgba(36,26,20,0.36);
  --line:     rgba(36,26,20,0.10);
  --card:     rgba(255,252,246,0.80);
  --card-h:   rgba(255,252,246,0.98);
}

/* ── Progressive enhancement: JS añade .js-anim para activar los reveals ── */
.js-anim .reveal { opacity: 0; transform: translateY(var(--reveal-y)); }
.js-anim .reveal.is-visible {
  opacity: 1;
  transform: none;
  animation: revealSlide 0.85s var(--ease-out) forwards;
}
[data-anim="sober"]    .js-anim .reveal.is-visible { animation-duration: 0.5s; }
[data-anim="balanced"] .js-anim .reveal.is-visible { animation-duration: 0.65s; }
@media (prefers-reduced-motion: reduce) {
  .js-anim .reveal.is-visible { animation: none; }
}

/* ── Animation intensity (Tweak) ────────────────────────── */
[data-anim="balanced"] { --reveal-y: 22px; }
[data-anim="sober"]    { --reveal-y: 12px; }

html {
  overflow-x: clip;
  scroll-behavior: smooth;
  background: var(--bg);
  color: var(--text);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background 0.5s var(--ease-out), color 0.5s var(--ease-out);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .splash-fill, .scroll-line, .wa-pulse { animation: none !important; }
}

body { min-height: 100vh; overflow-x: clip; }
a   { color: inherit; text-decoration: none; }
svg { display: block; }

/* ── Reveal ─────────────────────────────────────────────── */
@keyframes revealSlide {
  from { transform: translateY(var(--reveal-y)); }
  to   { transform: none; }
}

/* ── Background layers ──────────────────────────────────── */
#v-canvas {
  position: fixed; inset: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
  opacity: 1; transition: opacity 0.6s;
}
.bg-gradient {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  overflow: hidden; opacity: 0;
  background: linear-gradient(160deg, #F7EFE0 0%, #EDE0CC 35%, #F0E8D8 65%, #EBE0CE 100%);
  transition: opacity 0.6s;
}
.bg-gradient .halo {
  position: absolute; border-radius: 50%; filter: blur(90px);
  opacity: 0.65; will-change: transform;
}
.halo-1 { width: 65vw; height: 65vw; left: -15vw; top: -15vw;
  background: radial-gradient(circle, rgba(205,122,76,0.45), transparent 65%); }
.halo-2 { width: 55vw; height: 55vw; right: -10vw; top: 10vh;
  background: radial-gradient(circle, rgba(193,140,100,0.38), transparent 65%); }
.halo-3 { width: 50vw; height: 50vw; left: 20vw; bottom: -15vw;
  background: radial-gradient(circle, rgba(180,155,134,0.40), transparent 65%); }

/* Background visibility per data-bg */
[data-bg="gradient"] #v-canvas { opacity: 0; }
[data-bg="gradient"] .bg-gradient { opacity: 1; }
[data-bg="claro"] #v-canvas { opacity: 0; }
[data-bg="claro"] .bg-gradient { opacity: 0; }

.scrim {
  position: fixed; inset: 0; z-index: 1;
  background: rgba(18,9,5,0.30); pointer-events: none;
  transition: opacity 0.5s;
}
.vignette {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(ellipse at center, transparent 30%, rgba(18,9,5,0.45) 70%, rgba(18,9,5,0.85) 100%),
    linear-gradient(180deg, rgba(18,9,5,0.60) 0%, transparent 20%, transparent 75%, rgba(18,9,5,0.75) 100%);
  transition: opacity 0.5s;
}
.grain {
  position: fixed; inset: 0; z-index: 2; opacity: 0.04;
  mix-blend-mode: overlay; pointer-events: none;
  background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0naHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmcnIHdpZHRoPSczMDAnIGhlaWdodD0nMzAwJz48ZmlsdGVyIGlkPSduJz48ZmVUdXJidWxlbmNlIHR5cGU9J2ZyYWN0YWxOb2lzZScgYmFzZUZyZXF1ZW5jeT0nMC45JyBudW1PY3RhdmVzPSc0JyBzdGl0Y2hUaWxlcz0nc3RpdGNoJy8+PC9maWx0ZXI+PHJlY3Qgd2lkdGg9JzMwMCcgaGVpZ2h0PSczMDAnIGZpbHRlcj0ndXJsKCUyM24pJyBvcGFjaXR5PScxJy8+PC9zdmc+");
}
[data-theme="light"] .scrim { opacity: 0; }
[data-theme="light"] .vignette {
  background:
    radial-gradient(ellipse at 20% 0%, rgba(205,122,76,0.08) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 30%, rgba(193,140,100,0.06) 0%, transparent 50%),
    linear-gradient(180deg, rgba(245,238,226,0.3) 0%, transparent 18%);
}
[data-theme="light"] .grain { opacity: 0.025; mix-blend-mode: multiply; }
/* halos — en claro ya están bien calibrados arriba, sin override necesario */

/* ── Splash ─────────────────────────────────────────────── */
.splash {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s var(--ease-out), clip-path 0.6s var(--ease-out);
  animation: splashSafe 0.01s 4.5s forwards;
}
.splash.is-out { opacity: 0; clip-path: inset(0 0 100% 0); pointer-events: none; }
[data-anim="sober"] .splash, [data-anim="balanced"] .splash { display: none; }
@keyframes splashSafe { to { opacity: 0; pointer-events: none; clip-path: inset(0 0 100% 0); } }
.splash-inner { display: flex; flex-direction: column; align-items: center; gap: 2rem; }
.splash-iso { width: 48px; height: 48px; opacity: 0; animation: fadeIn 0.6s 0.3s var(--ease-out) forwards; }
@keyframes fadeIn { to { opacity: 1; } }
.splash-bar { width: 120px; height: 1px; background: rgba(243,236,224,0.15); overflow: hidden; }
.splash-fill { height: 100%; background: var(--accent); width: 0; animation: fillBar 2.8s 0.5s var(--ease-out) forwards; }
@keyframes fillBar { to { width: 100%; } }

/* ── Cursor ─────────────────────────────────────────────── */
.cursor { opacity: 0; transition: opacity 0.25s; }
.cursor.is-ready { opacity: 1; }
.cursor-dot {
  position: fixed; top: 0; left: 0; z-index: 9998;
  width: 5px; height: 5px; background: var(--accent);
  border-radius: 50%; pointer-events: none; will-change: transform;
}
.cursor-ring {
  position: fixed; top: 0; left: 0; z-index: 9997;
  width: 28px; height: 28px; border: 1px solid rgba(205,122,76,0.45);
  border-radius: 50%; pointer-events: none; will-change: transform;
  transition: width 0.25s, height 0.25s, border-color 0.25s;
  margin: -11.5px 0 0 -11.5px;
}
.cursor.is-hovering .cursor-ring {
  width: 44px; height: 44px; border-color: var(--accent);
  margin: -19.5px 0 0 -19.5px;
}
@media (hover: none) { .cursor { display: none; } }

/* ── Nav ─────────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h);
  z-index: 800; display: flex; align-items: center; justify-content: space-between;
  padding: 0 2.5rem; transition: background 0.4s, backdrop-filter 0.4s;
}
.nav.is-solid { background: var(--bg-soft); backdrop-filter: blur(16px); }
.nav-logo { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }
.nav-iso { width: 28px; height: 28px; color: var(--accent); }
.nav-wordmark {
  font-family: var(--f-display); font-size: 0.95rem;
  letter-spacing: 0.28em; color: var(--text); font-weight: 400;
}
.nav-links { display: flex; gap: 2.5rem; }
.nav-link { font-size: 0.78rem; letter-spacing: 0.08em; color: var(--text-m); transition: color 0.25s; }
.nav-link:hover { color: var(--text); }
.nav-right { display: flex; align-items: center; gap: 1.75rem; }
.nav-cta { font-size: 0.78rem; letter-spacing: 0.06em; color: var(--accent); transition: opacity 0.25s; }
.nav-cta:hover { opacity: 0.75; }

.lang-toggle {
  display: flex; align-items: center; gap: 0.35rem;
  background: none; border: none; cursor: pointer; padding: 0;
  font-family: var(--f-body); font-size: 0.72rem; letter-spacing: 0.1em;
}
.lang-opt { color: var(--text-d); transition: color 0.2s, font-weight 0.2s; cursor: pointer; }
.lang-opt.is-active { color: var(--text); font-weight: 500; text-decoration: underline; text-underline-offset: 3px; }
.lang-sep { color: var(--text-d); }

.nav-burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-burger span { display: block; width: 22px; height: 1px; background: var(--text); transition: transform 0.3s, opacity 0.3s; }

.nav-mobile-menu {
  position: fixed; inset: 0; z-index: 790;
  background: var(--bg); backdrop-filter: blur(20px);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2rem;
  opacity: 0; pointer-events: none; transition: opacity 0.35s;
}
.nav-mobile-menu.is-open { opacity: 0.98; pointer-events: auto; }
.nmm-link { font-family: var(--f-display); font-size: clamp(1.8rem, 6vw, 3rem); color: var(--text-m); transition: color 0.25s; }
.nmm-link:hover { color: var(--text); }
.nmm-cta { color: var(--accent); }

@media (max-width: 860px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative; z-index: 10;
  min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center; justify-content: center;
  padding: calc(var(--nav-h) + 3rem) 2.5rem 5rem; text-align: center;
}
.hero-inner { max-width: 880px; position: relative; }
.hero-inner::before {
  content: ''; position: absolute; inset: -80px -60px;
  background: radial-gradient(ellipse at center, rgba(205,122,76,0.10) 0%, rgba(166,92,63,0.06) 45%, transparent 75%);
  filter: blur(40px); pointer-events: none; z-index: -1;
}
.hero-kicker { font-size: 0.72rem; letter-spacing: 0.2em; color: var(--accent); margin-bottom: 2rem; transition-delay: 0.1s; }
.hero-title {
  font-family: var(--f-display); font-size: clamp(2.4rem, 6vw, 5.6rem);
  font-weight: 300; line-height: 1.08; letter-spacing: 0.01em;
  text-wrap: balance; margin-bottom: 1.5rem;
  text-shadow: 0 2px 32px rgba(0,0,0,0.55), 0 1px 6px rgba(0,0,0,0.6);
  transition-delay: 0.2s;
}
[data-theme="light"] .hero-title { text-shadow: none; }
.hero-title em { font-style: italic; color: var(--accent); }
.hero-loc { font-size: 0.78rem; letter-spacing: 0.12em; color: var(--text-d); margin-bottom: 2.5rem; transition-delay: 0.3s; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; transition-delay: 0.4s; }

.hero-scroll-hint { position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 0.5rem; }
.scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, var(--accent), transparent); animation: scrollPulse 2s ease-in-out infinite; }
.scroll-label { font-size: 0.62rem; letter-spacing: 0.18em; color: var(--text-d); }
@keyframes scrollPulse { 0%,100% { opacity: 0.4; } 50% { opacity: 1; } }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.78rem 1.9rem; font-size: 0.8rem; letter-spacing: 0.08em;
  border-radius: 0; transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.25s; cursor: pointer;
}
.btn-primary { background: var(--accent); color: #1a0f08; border: 1px solid var(--accent); }
.btn-primary:hover { background: var(--accent2); border-color: var(--accent2); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--arena); }
.btn-wa svg { flex-shrink: 0; }

/* ── Shared section parts ────────────────────────────────── */
.section-num { display: block; font-size: 0.65rem; letter-spacing: 0.25em; color: var(--accent); margin-bottom: 0.5rem; font-family: var(--f-body); }
.section-tag { font-size: 0.65rem; letter-spacing: 0.25em; color: var(--text-d); }
.section-title { font-family: var(--f-display); font-size: clamp(1.8rem, 4vw, 3.2rem); font-weight: 300; letter-spacing: 0.02em; color: var(--text); transition-delay: 0.1s; }
.section-sub { color: var(--text-m); font-size: 0.95rem; transition-delay: 0.15s; margin-top: 0.5rem; }

/* ── Image slots ─────────────────────────────────────────── */
.vslot {
  display: block; width: 100%;
  background: linear-gradient(135deg, #1E120A 0%, #2E1A10 45%, #3D2518 100%);
  border: 1px solid var(--line);
  --slot-fg: rgba(243,236,224,0.28);
  color: var(--slot-fg);
}
[data-theme="light"] .vslot { background: linear-gradient(135deg, #E8DFD0 0%, #DED2BE 100%); --slot-fg: rgba(36,26,20,0.4); }
.vslot-wide { aspect-ratio: 16 / 6.2; }

/* ── Manifesto ───────────────────────────────────────────── */
.manifesto { position: relative; z-index: 10; padding: 8rem clamp(2rem, 5vw, 6rem) 6rem; max-width: clamp(1200px, 78vw, 1720px); margin: 0 auto; }
.manifesto-inner { display: grid; grid-template-columns: 120px 1fr; gap: 3rem; margin-bottom: 5rem; }
.manifesto-left { display: flex; flex-direction: column; gap: 0.5rem; padding-top: 0.5rem; }
.manifesto-pull { font-family: var(--f-display); font-size: clamp(1.2rem, 2.5vw, 1.9rem); font-style: italic; font-weight: 300; color: var(--text); line-height: 1.5; margin-bottom: 1.5rem; transition-delay: 0.1s; }
.manifesto-body { color: var(--text-m); font-size: 0.95rem; line-height: 1.85; max-width: 58ch; margin-bottom: 1rem; }
.manifesto-image { width: 100%; }

/* ── Pilares ─────────────────────────────────────────────── */
.pillars { position: relative; z-index: 10; padding: 0 clamp(2rem, 5vw, 6rem) 7rem; max-width: clamp(1200px, 78vw, 1720px); margin: 0 auto; }
.pillars-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.pillar { padding: 3rem 2.5rem; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 0.6rem; transition: background 0.3s; }
.pillar:last-child { border-right: none; }
.pillar:hover { background: rgba(205,122,76,0.04); }
.pillar-fig { font-family: var(--f-display); font-size: clamp(1.9rem, 3.2vw, 2.9rem); font-weight: 300; line-height: 1.05; color: var(--accent); letter-spacing: 0.01em; }
.pillar-unit { font-size: 0.55em; color: var(--accent2); }
.pillar-label { font-size: 0.66rem; letter-spacing: 0.18em; color: var(--text-d); text-transform: uppercase; margin-top: 0.4rem; }
.pillar-desc { font-size: 0.9rem; color: var(--text-m); line-height: 1.7; margin-top: 0.4rem; }
@media (max-width: 760px) {
  .pillars-grid { grid-template-columns: 1fr; }
  .pillar { border-right: none; border-bottom: 1px solid var(--line); }
  .pillar:last-child { border-bottom: none; }
}

/* ── Servicios ───────────────────────────────────────────── */
.servicios { position: relative; z-index: 10; padding: 7rem clamp(2rem, 5vw, 6rem); max-width: clamp(1200px, 78vw, 1720px); margin: 0 auto; }
.servicios-header { margin-bottom: 4rem; }
.servicios-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.srv-card {
  background: var(--card); backdrop-filter: blur(8px);
  border: 1px solid var(--line); display: flex; flex-direction: column;
  transition: transform 0.45s var(--ease-out), box-shadow 0.45s var(--ease-out), background 0.35s;
  overflow: hidden;
}
[data-theme="light"] .srv-card {
  box-shadow: 0 2px 16px rgba(36,26,20,0.07), 0 1px 4px rgba(36,26,20,0.04);
}
.srv-card:hover { transform: translateY(-6px); box-shadow: 0 24px 60px rgba(0,0,0,0.4); background: var(--card-h); }
[data-theme="light"] .srv-card:hover { box-shadow: 0 20px 50px rgba(36,26,20,0.13), 0 4px 12px rgba(36,26,20,0.06); }
.srv-img { aspect-ratio: 4 / 3; border: none; border-bottom: 1px solid var(--line); }
.srv-body { padding: 2rem 1.9rem 2.2rem; display: flex; flex-direction: column; flex: 1; }
.srv-num { font-size: 0.62rem; letter-spacing: 0.2em; color: var(--text-d); margin-bottom: 1rem; }
.srv-card--feature { outline: 1px solid rgba(205,122,76,0.35); outline-offset: -1px; }
.srv-card--feature .srv-num { color: var(--accent); }
.srv-title { font-family: var(--f-display); font-size: 1.5rem; font-weight: 300; color: var(--text); margin-bottom: 0.75rem; letter-spacing: 0.01em; }
.srv-desc { font-size: 0.875rem; color: var(--text-m); line-height: 1.75; margin-bottom: 1.6rem; flex: 1; }
.srv-cta { font-size: 0.76rem; letter-spacing: 0.06em; color: var(--accent); transition: gap 0.25s; display: inline-block; }
.srv-cta:hover { opacity: 0.78; }
@media (max-width: 900px) { .servicios-grid { grid-template-columns: 1fr; } }

/* ── Proyectos ───────────────────────────────────────────── */
.proyectos { position: relative; z-index: 10; padding: 7rem clamp(2rem, 5vw, 6rem); max-width: clamp(1200px, 78vw, 1720px); margin: 0 auto; }
.proyectos-header { margin-bottom: 4rem; }
.proyectos-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.prj-card { position: relative; cursor: pointer; transition: transform 0.45s var(--ease-out); }
.prj-card:hover { transform: translateY(-6px); }
.prj-media { position: relative; overflow: hidden; border: 1px solid var(--line); }
[data-theme="light"] .prj-media { box-shadow: 0 2px 12px rgba(36,26,20,0.08); }
[data-theme="light"] .prj-card:hover .prj-media { box-shadow: 0 16px 40px rgba(36,26,20,0.14); }
.prj-img { aspect-ratio: 4 / 3; border: none; transition: transform 0.7s var(--ease-out); }
.prj-card:hover .prj-img { transform: scale(1.04); }

/* Concepto / ilustración SVG para cards sin foto */
.prj-concept { position: relative; overflow: hidden; }
.prj-concept-svg { display: block; width: 100%; aspect-ratio: 4 / 3; }
.prj-concept .prj-badge { position: absolute; top: 1rem; left: 1rem; }

/* Proyecto real con galería strip */
.prj-img-wrap { position: relative; overflow: hidden; }
.prj-img--real { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform 0.7s var(--ease-out); }
.prj-card:hover .prj-img--real { transform: scale(1.04); }
.prj-gallery-strip {
  position: absolute; bottom: 0; left: 0; right: 0;
  display: flex; gap: 3px; padding: 3px;
  background: linear-gradient(to top, rgba(18,9,5,0.75) 0%, transparent 100%);
  opacity: 0; transform: translateY(8px);
  transition: opacity 0.35s, transform 0.35s;
}
.prj-card:hover .prj-gallery-strip { opacity: 1; transform: none; }
.prj-thumb { width: calc(33.333% - 2px); aspect-ratio: 4/3; object-fit: cover; border-radius: 2px; cursor: pointer; transition: opacity 0.2s; }
.prj-thumb:hover { opacity: 0.85; }
[data-theme="light"] .prj-gallery-strip { background: linear-gradient(to top, rgba(36,26,20,0.65) 0%, transparent 100%); }
.prj-badge {
  position: absolute; top: 1rem; left: 1rem; z-index: 3;
  font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 0.35rem 0.7rem; background: rgba(18,9,5,0.7); backdrop-filter: blur(6px);
  color: var(--text-m); border: 1px solid var(--line);
}
.prj-badge--done { color: #1a0f08; background: var(--accent); border-color: var(--accent); }
.prj-info { padding: 1rem 0 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.4rem 1rem; }
.prj-cat { font-size: 0.62rem; letter-spacing: 0.15em; color: var(--accent); width: 100%; }
.prj-name { font-family: var(--f-display); font-size: 1.25rem; font-weight: 300; color: var(--text); }
.prj-year { font-size: 0.72rem; color: var(--text-d); margin-left: auto; }
@media (max-width: 640px) { .proyectos-grid { grid-template-columns: 1fr; } }

/* ── Proceso ─────────────────────────────────────────────── */
.proceso { position: relative; z-index: 10; padding: 7rem clamp(2rem, 5vw, 6rem); max-width: clamp(1200px, 78vw, 1720px); margin: 0 auto; }
.proceso-header { margin-bottom: 4rem; }
.proceso-steps { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); position: relative; }
.step { padding: 2.5rem; border-right: 1px solid var(--line); transition: background 0.3s; transition-delay: calc(var(--i, 0) * 0.1s); }
.step:last-child { border-right: none; }
.step:hover { background: rgba(205,122,76,0.03); }
.step-num { font-family: var(--f-display); font-size: 3rem; font-weight: 300; color: var(--accent); opacity: 0.35; line-height: 1; margin-bottom: 1.5rem; display: block; }
.step-title { font-family: var(--f-display); font-size: 1.35rem; font-weight: 300; color: var(--text); margin-bottom: 0.75rem; letter-spacing: 0.01em; }
.step-desc { font-size: 0.85rem; color: var(--text-m); line-height: 1.8; }
@media (max-width: 900px) {
  .proceso-steps { grid-template-columns: 1fr; }
  .step { border-right: none; border-bottom: 1px solid var(--line); }
  .step:last-child { border-bottom: none; }
  .manifesto-inner { grid-template-columns: 1fr; gap: 1.5rem; margin-bottom: 3rem; }
}

/* ── CTA Section ─────────────────────────────────────────── */
.cta-section { position: relative; z-index: 10; padding: 9rem clamp(2rem, 5vw, 6rem); text-align: center; overflow: hidden; }
.cta-section::before {
  content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 700px; height: 500px;
  background: radial-gradient(ellipse at center, rgba(166,92,63,0.16) 0%, rgba(205,122,76,0.07) 45%, transparent 75%);
  filter: blur(60px); pointer-events: none;
}
.cta-inner { max-width: 700px; margin: 0 auto; position: relative; }
.cta-title { font-family: var(--f-display); font-size: clamp(2.2rem, 5vw, 4.5rem); font-weight: 300; line-height: 1.1; color: var(--text); margin-bottom: 1.5rem; transition-delay: 0.1s; }
.cta-title em { font-style: italic; color: var(--accent); }
.cta-sub { font-size: 0.95rem; color: var(--text-m); margin-bottom: 2.5rem; transition-delay: 0.15s; }
.cta-actions { display: flex; gap: 1.5rem; align-items: center; justify-content: center; flex-wrap: wrap; margin-bottom: 2.5rem; }
.cta-email { font-family: var(--f-display); font-size: clamp(1rem, 2.5vw, 1.5rem); color: var(--accent); letter-spacing: 0.03em; border-bottom: 1px solid rgba(205,122,76,0.35); padding-bottom: 0.2rem; transition: border-color 0.25s; }
.cta-email:hover { border-color: var(--accent); }
.cta-divider { width: 48px; height: 1px; background: var(--line); margin: 0 auto 1.5rem; transition-delay: 0.25s; }
.cta-meta { font-size: 0.72rem; letter-spacing: 0.1em; color: var(--text-d); transition-delay: 0.3s; }

/* ── Footer ──────────────────────────────────────────────── */
.footer { position: relative; z-index: 10; border-top: 1px solid var(--line); padding: 3rem 2.5rem 2rem; background: var(--bg-soft); backdrop-filter: blur(8px); }
[data-theme="light"] .footer { background: rgba(235,225,210,0.6); border-top-color: rgba(36,26,20,0.12); }
.footer-top { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 2rem; margin-bottom: 2.5rem; }
.footer-brand { display: flex; align-items: center; gap: 1rem; }
.footer-iso { width: 32px; height: 32px; color: var(--accent); }
.footer-wordmark { font-family: var(--f-display); font-size: 0.85rem; letter-spacing: 0.28em; color: var(--text); }
.footer-tagline { font-size: 0.68rem; letter-spacing: 0.12em; color: var(--text-d); margin-top: 0.2rem; }
.footer-nav { display: flex; gap: 2rem; flex-wrap: wrap; align-items: center; }
.footer-nav a { font-size: 0.78rem; letter-spacing: 0.06em; color: var(--text-m); transition: color 0.25s; }
.footer-nav a:hover { color: var(--text); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; font-size: 0.68rem; letter-spacing: 0.06em; color: var(--text-d); border-top: 1px solid var(--line); padding-top: 1.5rem; }

/* ══════════════════════════════════════════════════════════
   SECTION TRANSITIONS — ANIMATED
   Paneles full-width que se animan al entrar al viewport.
   JS añade .section-in vía IntersectionObserver.
   ══════════════════════════════════════════════════════════ */

/* ── Variables de tinte ─────────────────────────────────── */
:root {
  --t-warm:   rgba(205,122,76,0.13);
  --t-arena:  rgba(180,155,134,0.13);
  --t-accent: rgba(166,92,63,0.15);
}
[data-theme="dark"] {
  --t-warm:   rgba(205,122,76,0.18);
  --t-arena:  rgba(180,155,134,0.16);
  --t-accent: rgba(166,92,63,0.20);
}

/* Mixin base ─────────────────────────────────────────────── */
.manifesto, .pillars, .servicios, .proyectos,
.proceso, .cta-section { position: relative; z-index: 10; overflow: visible; }

/* ─────────────────────────────────────────────────────────
   KEYFRAMES
───────────────────────────────────────────────────────── */
@keyframes diagInA {
  from { clip-path: polygon(0 50%, 100% 50%, 100% 50%, 0 50%); opacity: 0; }
  to   { clip-path: polygon(0 5vw, 100% 0, 100% calc(100% - 5vw), 0 100%); opacity: 1; }
}
@keyframes diagInB {
  from { clip-path: polygon(0 50%, 100% 50%, 100% 50%, 0 50%); opacity: 0; }
  to   { clip-path: polygon(0 0, 100% 5vw, 100% 100%, 0 calc(100% - 5vw)); opacity: 1; }
}
@keyframes diagInCTA {
  from { clip-path: polygon(0 50%, 100% 50%, 100% 100%, 0 100%); opacity: 0; }
  to   { clip-path: polygon(0 5vw, 100% 0, 100% 100%, 0 100%); opacity: 1; }
}
@keyframes ondasIn {
  from {
    border-top-left-radius: 50% 0; border-top-right-radius: 50% 0;
    border-bottom-left-radius: 50% 0; border-bottom-right-radius: 50% 0;
    opacity: 0;
  }
  to {
    border-top-left-radius: 50% 5rem; border-top-right-radius: 50% 5rem;
    border-bottom-left-radius: 50% 5rem; border-bottom-right-radius: 50% 5rem;
    opacity: 1;
  }
}
@keyframes ondasInCTA {
  from { border-top-left-radius: 50% 0; border-top-right-radius: 50% 0; opacity: 0; }
  to   { border-top-left-radius: 50% 5rem; border-top-right-radius: 50% 5rem; opacity: 1; }
}
@keyframes chispaBgIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes chispaLineIn {
  from { clip-path: inset(0 50% 0 50%); opacity: 0; }
  to   { clip-path: inset(0 0% 0 0%);  opacity: 1; }
}

/* ─────────────────────────────────────────────────────────
   DIAGONAL
───────────────────────────────────────────────────────── */
[data-transition="diagonal"] .manifesto::before,
[data-transition="diagonal"] .servicios::before,
[data-transition="diagonal"] .proceso::before {
  content: ''; position: absolute; top: 0; bottom: 0;
  left: 50%; width: 100vw; transform: translateX(-50%);
  background: var(--t-warm);
  clip-path: polygon(0 50%, 100% 50%, 100% 50%, 0 50%);
  opacity: 0; z-index: -1; pointer-events: none;
}
[data-transition="diagonal"] .manifesto.section-in::before,
[data-transition="diagonal"] .servicios.section-in::before,
[data-transition="diagonal"] .proceso.section-in::before {
  animation: diagInA 1s 0.05s var(--ease-out) forwards;
}

[data-transition="diagonal"] .pillars::before,
[data-transition="diagonal"] .proyectos::before {
  content: ''; position: absolute; top: 0; bottom: 0;
  left: 50%; width: 100vw; transform: translateX(-50%);
  background: var(--t-arena);
  clip-path: polygon(0 50%, 100% 50%, 100% 50%, 0 50%);
  opacity: 0; z-index: -1; pointer-events: none;
}
[data-transition="diagonal"] .pillars.section-in::before,
[data-transition="diagonal"] .proyectos.section-in::before {
  animation: diagInB 1s 0.05s var(--ease-out) forwards;
}

[data-transition="diagonal"] .cta-section::after {
  content: ''; position: absolute; top: 0; bottom: 0;
  left: 50%; width: 100vw; transform: translateX(-50%);
  background: var(--t-warm);
  clip-path: polygon(0 50%, 100% 50%, 100% 100%, 0 100%);
  opacity: 0; z-index: -1; pointer-events: none;
}
[data-transition="diagonal"] .cta-section.section-in::after {
  animation: diagInCTA 1s 0.05s var(--ease-out) forwards;
}

/* ─────────────────────────────────────────────────────────
   ONDAS
───────────────────────────────────────────────────────── */
[data-transition="ondas"] .manifesto::before,
[data-transition="ondas"] .servicios::before,
[data-transition="ondas"] .proceso::before {
  content: ''; position: absolute; top: -5rem; bottom: -5rem;
  left: 50%; width: 100vw; transform: translateX(-50%);
  background: var(--t-warm);
  border-radius: 0; opacity: 0; z-index: -1; pointer-events: none;
}
[data-transition="ondas"] .manifesto.section-in::before,
[data-transition="ondas"] .servicios.section-in::before,
[data-transition="ondas"] .proceso.section-in::before {
  animation: ondasIn 1.1s 0.05s var(--ease-out) forwards;
}

[data-transition="ondas"] .pillars::before,
[data-transition="ondas"] .proyectos::before {
  content: ''; position: absolute; top: -5rem; bottom: -5rem;
  left: 50%; width: 100vw; transform: translateX(-50%);
  background: var(--t-arena);
  border-radius: 0; opacity: 0; z-index: -1; pointer-events: none;
}
[data-transition="ondas"] .pillars.section-in::before,
[data-transition="ondas"] .proyectos.section-in::before {
  animation: ondasIn 1.1s 0.05s var(--ease-out) forwards;
}

[data-transition="ondas"] .cta-section::after {
  content: ''; position: absolute; top: -5rem; bottom: 0;
  left: 50%; width: 100vw; transform: translateX(-50%);
  background: var(--t-warm);
  border-top-left-radius: 50% 0; border-top-right-radius: 50% 0;
  opacity: 0; z-index: -1; pointer-events: none;
}
[data-transition="ondas"] .cta-section.section-in::after {
  animation: ondasInCTA 1.1s 0.05s var(--ease-out) forwards;
}

/* ─────────────────────────────────────────────────────────
   CHISPA
───────────────────────────────────────────────────────── */
[data-transition="chispa"] .manifesto::before,
[data-transition="chispa"] .servicios::before,
[data-transition="chispa"] .proceso::before,
[data-transition="chispa"] .pillars::before,
[data-transition="chispa"] .proyectos::before {
  content: ''; position: absolute; top: 0; bottom: 0;
  left: 50%; width: 100vw; transform: translateX(-50%);
  background: var(--t-arena); opacity: 0; z-index: -1; pointer-events: none;
}
[data-transition="chispa"] .manifesto.section-in::before,
[data-transition="chispa"] .servicios.section-in::before,
[data-transition="chispa"] .proceso.section-in::before,
[data-transition="chispa"] .pillars.section-in::before,
[data-transition="chispa"] .proyectos.section-in::before {
  animation: chispaBgIn 0.7s 0.05s var(--ease-out) forwards;
}

[data-transition="chispa"] .manifesto::after,
[data-transition="chispa"] .servicios::after,
[data-transition="chispa"] .proceso::after,
[data-transition="chispa"] .pillars::after,
[data-transition="chispa"] .proyectos::after {
  content: ''; position: absolute; top: -3px; height: 5px;
  left: 50%; width: min(600px, 70vw); transform: translateX(-50%);
  background: linear-gradient(to right, transparent, var(--accent) 30%, var(--accent) 70%, transparent);
  clip-path: inset(0 50% 0 50%);
  opacity: 0; z-index: 5; pointer-events: none; border-radius: 3px;
}
[data-transition="chispa"] .manifesto.section-in::after,
[data-transition="chispa"] .servicios.section-in::after,
[data-transition="chispa"] .proceso.section-in::after,
[data-transition="chispa"] .pillars.section-in::after,
[data-transition="chispa"] .proyectos.section-in::after {
  animation: chispaLineIn 0.8s 0.2s var(--ease-out) forwards;
}

[data-transition="chispa"] .cta-section::after {
  content: ''; position: absolute; top: 0; bottom: 0;
  left: 50%; width: 100vw; transform: translateX(-50%);
  background: var(--t-warm); opacity: 0; z-index: -1; pointer-events: none;
}
[data-transition="chispa"] .cta-section.section-in::after {
  animation: chispaBgIn 0.7s 0.05s var(--ease-out) forwards;
}

/* Reduced motion — mostrar sin animación */
@media (prefers-reduced-motion: reduce) {
  [data-transition] .section-in::before,
  [data-transition] .section-in::after { animation: none !important; opacity: 1 !important; }
}

/* ─────────────────────────────────────────────────────────
   TOOLS MARQUEE BAND
───────────────────────────────────────────────────────── */
.tools-band {
  position: relative; z-index: 10;
  padding: 3.5rem 0; overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.tools-label {
  text-align: center; margin-bottom: 1.5rem;
  font-size: 0.62rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--text-d); font-family: var(--f-body);
}
.tools-track { display: flex; width: max-content; }
.tools-row {
  display: flex; align-items: center; gap: 4rem;
  padding: 0 2rem; animation: marqueeLeft 28s linear infinite;
  flex-shrink: 0;
}
.tools-row:hover { animation-play-state: paused; }
@keyframes marqueeLeft {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.tool-item {
  display: flex; align-items: center; gap: 0.85rem;
  color: var(--text-m); transition: color 0.25s; cursor: default;
  white-space: nowrap; flex-shrink: 0;
}
.tool-item:hover { color: var(--text); }
.tool-icon {
  width: 28px; height: 28px; flex-shrink: 0;
  color: var(--accent); opacity: 0.75;
  transition: opacity 0.25s;
}
.tool-item:hover .tool-icon { opacity: 1; }
.tool-name {
  font-family: var(--f-display); font-size: 1rem;
  font-weight: 300; letter-spacing: 0.04em;
}
.tool-sep { color: var(--text-d); font-size: 0.5rem; }

/* ── WhatsApp flotante ───────────────────────────────────── */
.wa-float {
  position: fixed; right: 1.6rem; bottom: 1.6rem; z-index: 850;
  width: 56px; height: 56px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: #25D366; color: #fff;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35), 0 2px 8px rgba(37,211,102,0.4);
  transition: transform 0.3s var(--ease-out);
}
.wa-float:hover { transform: scale(1.08); }
.wa-pulse { position: absolute; inset: 0; border-radius: 50%; border: 2px solid #25D366; animation: waPulse 2.4s ease-out infinite; }
@keyframes waPulse { 0% { transform: scale(1); opacity: 0.6; } 100% { transform: scale(1.8); opacity: 0; } }
@media (max-width: 640px) { .wa-float { width: 50px; height: 50px; right: 1.1rem; bottom: 1.1rem; } }

/* ── Scroll progress bar ──────────────────────────────────── */
.scroll-progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 9000; background: linear-gradient(to right, var(--accent) var(--prog, 0%), transparent 0%); transform-origin: left; }


/* ── Responsive: tablet (≤1024px) ──────────────────────────── */
@media (max-width: 1024px) {
  .manifesto  { padding-top: 5rem; padding-bottom: 4rem; }
  .pillars    { padding-bottom: 5rem; }
  .servicios,
  .proyectos,
  .proceso    { padding-top: 5rem; padding-bottom: 5rem; }
  .cta-section { padding-top: 6rem; padding-bottom: 6rem; }
}

/* ── Responsive: mobile (≤640px) ───────────────────────────── */
@media (max-width: 640px) {
  .manifesto   { padding: 3.5rem 1.25rem 2.5rem; }
  .pillars     { padding: 0 1.25rem 3rem; }
  .servicios,
  .proyectos,
  .proceso     { padding: 3rem 1.25rem; }
  .cta-section { padding: 4rem 1.25rem; }
}

/* ── Footer social ──────────────────────────────────────────── */
.footer-social { display: flex; gap: 1rem; align-items: center; margin-top: 1.2rem; }
.footer-social a { color: var(--text-d); transition: color 0.2s; }
.footer-social a:hover { color: var(--accent); }

/* ── Proyectos · bloque honesto ─────────────────────── */
.prj-honest {
  max-width: 720px;
  margin: 3rem auto 0;
  padding: 2.5rem 2.5rem 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.2rem;
  border-top: 1px solid var(--line);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.prj-honest.is-visible {
  opacity: 1;
  transform: none;
}
.prj-honest-text {
  font-family: var(--f-display);
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 300;
  font-style: italic;
  color: var(--text-m);
  line-height: 1.75;
  margin: 0;
}
.prj-honest-cta {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s;
}
.prj-honest-cta:hover { opacity: 0.65; }