/* CORE — landing
   Type: Newsreader (display serif) + Geist (body sans) + Geist Mono (labels)
   Color: warm off-white / warm near-black / single terracotta accent
*/

:root {
  --bg: oklch(97.5% 0.002 240);
  --bg-2: oklch(94.5% 0.004 240);
  --ink: oklch(17% 0.006 240);
  --ink-2: oklch(36% 0.006 240);
  --ink-3: oklch(55% 0.006 240);
  --line: oklch(88% 0.005 240);
  --accent: oklch(46% 0.09 220);
  --accent-soft: oklch(46% 0.09 220 / 0.10);

  --serif: "Newsreader", "Times New Roman", serif;
  --sans: "Geist", "Inter", ui-sans-serif, system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", monospace;

  --max: 1400px;
  --gutter: clamp(20px, 5vw, 64px);
}

[data-palette="slate"] {
  --bg: oklch(97.5% 0.002 240);
  --bg-2: oklch(94.5% 0.004 240);
  --ink: #192231;
  --ink-2: #494E6B;
  --ink-3: #98878F;
  --line: color-mix(in oklch, #98878F 38%, white);
  --accent: #985E6D;
  --accent-soft: oklch(from #985E6D l c h / 0.10);
}

[data-palette="warm"] {
  --bg: oklch(98% 0.006 80);
  --bg-2: oklch(95% 0.008 80);
  --ink: oklch(16% 0.012 60);
  --ink-2: oklch(35% 0.010 60);
  --ink-3: oklch(55% 0.008 60);
  --line: oklch(88% 0.010 70);
  --accent: oklch(52% 0.14 38);
  --accent-soft: oklch(52% 0.14 38 / 0.10);
}
[data-palette="mono"] {
  --bg: oklch(98% 0.002 0);
  --bg-2: oklch(95% 0.002 0);
  --ink: oklch(14% 0.002 0);
  --ink-2: oklch(35% 0.002 0);
  --ink-3: oklch(55% 0.002 0);
  --line: oklch(88% 0.002 0);
  --accent: oklch(20% 0.002 0);
  --accent-soft: oklch(20% 0.002 0 / 0.08);
}
[data-palette="forest"] {
  --bg: oklch(97% 0.010 130);
  --bg-2: oklch(94% 0.012 130);
  --ink: oklch(18% 0.020 150);
  --ink-2: oklch(35% 0.018 150);
  --ink-3: oklch(55% 0.015 140);
  --line: oklch(86% 0.014 130);
  --accent: oklch(42% 0.10 150);
  --accent-soft: oklch(42% 0.10 150 / 0.10);
}

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

html {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}

body {
  min-height: 100vh;
  background: var(--bg);
  overflow-x: hidden;
}

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

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

.shell { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* ── nav ───────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--gutter);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  mix-blend-mode: normal;
  transition: background 0.25s ease, backdrop-filter 0.25s ease, border-color 0.25s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: color-mix(in oklch, var(--bg) 78%, transparent);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav-logo {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.nav-logo i { font-style: italic; color: var(--accent); }
.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  color: var(--ink-2);
  transition: color 0.18s;
  position: relative;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s cubic-bezier(.4,0,.2,1);
}
.nav-links a:hover::after { transform: scaleX(1); }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  transition: transform 0.2s, background 0.2s;
}
.nav-cta:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--ink);
  transform: translateY(-1px);
}
.nav-cta:hover .nav-cta-dot { background: var(--ink); }
.nav-cta-dot { width: 6px; height: 6px; border-radius: 50%; background: color-mix(in oklch, var(--accent), white 35%); }
@media (max-width: 720px) { .nav-links { display: none; } }

/* ── hero ──────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px var(--gutter) 100px;
  max-width: var(--max);
  margin: 0 auto;
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 36px;
}
.hero-meta-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.hero-h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(48px, 9vw, 144px);
  line-height: 0.96;
  letter-spacing: -0.025em;
  margin: 0;
  text-wrap: balance;
}
.hero-h1 i {
  font-style: italic;
  color: var(--accent);
  font-weight: 300;
}
.hero-sub {
  margin-top: 40px;
  max-width: 640px;
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.55;
  color: var(--ink-2);
  text-wrap: pretty;
}
.hero-actions {
  margin-top: 48px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0;
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(.3,.7,.4,1), background 0.2s, color 0.2s, border-color 0.2s;
  background: transparent;
  color: var(--ink);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--ink);
  color: var(--bg);
}
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: var(--ink); }
.btn-ghost { border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-arrow {
  display: inline-flex;
  width: 16px; height: 16px;
  align-items: center; justify-content: center;
  transition: transform 0.25s;
}
.btn:hover .btn-arrow { transform: translate(2px, -2px); }

.hero-scroll-hint {
  position: absolute;
  left: var(--gutter);
  bottom: 32px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-scroll-hint::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--ink-3);
  animation: scrollHint 2.2s ease-in-out infinite;
  transform-origin: left;
}
@keyframes scrollHint {
  0%, 100% { transform: scaleX(0.3); opacity: 0.5; }
  50% { transform: scaleX(1); opacity: 1; }
}

/* parallax on hero */
[data-anim="moderado"] .hero-h1,
[data-anim="cine"] .hero-h1 {
  will-change: transform;
}

/* ── section chrome ─────────────────────────── */
.section {
  padding: 140px var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
}
.section-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 60px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-num::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
  max-width: 200px;
}
.section-h {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(36px, 5.5vw, 76px);
  line-height: 1.0;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  text-wrap: balance;
  max-width: 18ch;
}
.section-h i { font-style: italic; color: var(--accent); font-weight: 300; }
.section-lede {
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 56ch;
  margin: 0;
  text-wrap: pretty;
}

/* ── servicios ─────────────────────────────── */
.servicios-grid {
  margin-top: 96px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
@media (max-width: 720px) { .servicios-grid { grid-template-columns: 1fr; } }

.servicio {
  position: relative;
  padding: 56px 40px 56px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 24px;
  align-items: start;
  transition: padding-left 0.4s cubic-bezier(.4,0,.2,1);
  cursor: default;
}
.servicio:nth-child(odd) {
  border-right: 1px solid var(--line);
  padding-right: 56px;
}
.servicio:nth-child(even) {
  padding-left: 56px;
}
@media (max-width: 720px) {
  .servicio { padding: 40px 0 !important; }
  .servicio:nth-child(odd) { border-right: 0; }
}
.servicio-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.06em;
  padding-top: 10px;
}
.servicio-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0 0 16px;
}
.servicio-body {
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink-2);
  margin: 0;
  max-width: 44ch;
}
.servicio-foot {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  margin-top: 18px;
  letter-spacing: 0.02em;
}
.servicio-arrow {
  position: absolute;
  top: 56px;
  right: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-3);
  transition: background 0.3s, color 0.3s, transform 0.3s;
}
.servicio:nth-child(odd) .servicio-arrow { right: 56px; }
.servicio:hover { background: linear-gradient(180deg, transparent, var(--bg-2)); }
.servicio:hover .servicio-arrow {
  background: var(--accent);
  color: var(--bg);
  transform: rotate(-45deg);
}

/* ── casos ─────────────────────────────────── */
.casos {
  background: var(--bg-2);
  margin: 0;
  padding: 140px 0;
}
.casos-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.caso {
  padding: 80px 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 880px) {
  .caso { grid-template-columns: 1fr; gap: 32px; padding: 56px 0; }
}
.caso-meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.caso-name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(36px, 4.4vw, 60px);
  line-height: 1.0;
  letter-spacing: -0.02em;
  margin: 0;
}
.caso-name i { font-style: italic; color: var(--accent); }
.caso-tags {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.caso-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-2);
  background: var(--bg);
}
.caso-body {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0;
  text-wrap: pretty;
}
.caso-quote {
  margin-top: 32px;
  padding-left: 24px;
  border-left: 2px solid var(--accent);
  font-family: var(--serif);
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.35;
  font-style: italic;
  color: var(--ink);
  font-weight: 300;
  text-wrap: pretty;
}

/* ── filosofia ─────────────────────────────── */
.filo {
  position: relative;
}
.filo-h {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(40px, 6vw, 96px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}
.filo-h em {
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}
.filo-body {
  margin-top: 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}
@media (max-width: 720px) { .filo-body { grid-template-columns: 1fr; gap: 32px; } }
.filo-body p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-2);
  margin: 0;
  text-wrap: pretty;
}
.filo-pull {
  font-family: var(--serif);
  font-style: italic;
  font-size: 24px;
  line-height: 1.4;
  color: var(--ink);
  font-weight: 300;
}

/* ── contacto ─────────────────────────────── */
.contacto {
  background: var(--ink);
  color: var(--bg);
  padding: 140px var(--gutter) 80px;
  margin-top: 0;
}
.contacto-inner {
  max-width: var(--max);
  margin: 0 auto;
}
.contacto-num {
  color: color-mix(in oklch, var(--bg) 58%, var(--ink));
}
.contacto-num::after { background: color-mix(in oklch, var(--bg) 24%, var(--ink)); }
.contacto-h {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(48px, 8vw, 128px);
  line-height: 0.96;
  letter-spacing: -0.025em;
  margin: 0;
  text-wrap: balance;
}
.contacto-h em {
  font-style: italic;
  color: color-mix(in oklch, var(--accent), white 50%);
  font-weight: 300;
}
.contacto-cta {
  margin-top: 64px;
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 22px 32px;
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 500;
  transition: transform 0.25s, box-shadow 0.25s;
  box-shadow: 0 0 0 0 transparent;
  position: relative;
}
.contacto-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px oklch(100% 0 0 / 0.18);
}
.contacto-cta-icon {
  width: 24px; height: 24px;
  display: inline-flex;
  align-items: center; justify-content: center;
}
.contacto-grid {
  margin-top: 96px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  border-top: 1px solid color-mix(in oklch, var(--bg) 24%, var(--ink));
  padding-top: 48px;
}
@media (max-width: 880px) { .contacto-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .contacto-grid { grid-template-columns: 1fr; } }
.contacto-item-label {
  font-family: var(--mono);
  font-size: 11px;
  color: color-mix(in oklch, var(--bg) 58%, var(--ink));
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.contacto-item-value {
  font-family: var(--sans);
  font-size: 16px;
  color: var(--bg);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.contacto-item-value:hover { border-bottom-color: color-mix(in oklch, var(--accent), white 40%); }

.footer {
  margin-top: 96px;
  padding-top: 24px;
  border-top: 1px solid color-mix(in oklch, var(--bg) 24%, var(--ink));
  font-family: var(--mono);
  font-size: 11px;
  color: color-mix(in oklch, var(--bg) 58%, var(--ink));
  display: flex;
  justify-content: space-between;
  letter-spacing: 0.04em;
}
@media (max-width: 480px) { .footer { flex-direction: column; gap: 8px; } }

/* ── reveal animations (driven by [data-reveal] + IntersectionObserver) ─── */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.9s cubic-bezier(.2,.6,.2,1),
    transform 0.9s cubic-bezier(.2,.6,.2,1);
  transition-delay: var(--rd, 0ms);
}
[data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
}

/* "moderado" adds a slight scale and longer transition */
[data-anim="moderado"] [data-reveal] {
  transform: translateY(40px);
  transition-duration: 1.1s;
}

/* "cine" adds split-line reveal + heavier delays */
[data-anim="cine"] [data-reveal] {
  transform: translateY(60px) scale(0.985);
  transition-duration: 1.3s;
  filter: blur(8px);
}
[data-anim="cine"] [data-reveal].is-in {
  filter: blur(0);
}

/* sutil = small shifts */
[data-anim="sutil"] [data-reveal] {
  transform: translateY(12px);
  transition-duration: 0.6s;
}

/* split lines for headlines (only cine) */
.split-line {
  display: block;
  overflow: hidden;
}
.split-line > span {
  display: block;
  transform: translateY(110%);
  transition: transform 1.0s cubic-bezier(.2,.7,.2,1);
  transition-delay: var(--ld, 0ms);
}
.split-line.is-in > span {
  transform: translateY(0);
}

/* cursor blob (cine only) */
.cursor-blob {
  position: fixed;
  pointer-events: none;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 65%);
  z-index: 1;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  opacity: 0;
  mix-blend-mode: multiply;
}
[data-anim="cine"] .cursor-blob { opacity: 1; }

/* progress rail (top) */
.progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 100;
  pointer-events: none;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.05s linear;
}

/* big rotating section letter (cine) */
.section-mark {
  position: absolute;
  top: 140px;
  right: var(--gutter);
  font-family: var(--serif);
  font-size: 220px;
  line-height: 1;
  font-style: italic;
  font-weight: 300;
  color: var(--accent-soft);
  pointer-events: none;
  user-select: none;
  opacity: 0;
  display: none;
}
[data-anim="cine"] .section-mark { display: block; opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}