/* ═══════════════════════════════════════════════════════════════
   DAVID LÓPEZ — Ingeniero de Edificación · Arquitecto Técnico
   Paleta exacta del manual de marca:
   navy #1F2937 · teal #4B6B6B · sage #A7B9B1 · stone #C7C9C4 · paper #F2F4F3
   Sistema: retícula técnica, esquinas rectas, líneas de 1px, sin sombras.
   ═══════════════════════════════════════════════════════════════ */

:root {
  --navy: #1F2937;
  --navy-deep: #16202C;
  --teal: #4B6B6B;
  --teal-dark: #3D5858;
  --sage: #A7B9B1;
  --stone: #C7C9C4;
  --paper: #F2F4F3;
  --sage-tint: #E7EDE9;   /* lavado suave derivado de sage sobre paper */
  --sage-tint-2: #DDE6E1;
  --white: #FFFFFF;
  --ink: #1F2937;
  --ink-soft: #4A545F;

  --font-head: "Metrophobic", sans-serif;
  --font-body: "Sora", sans-serif;
  --font-brand: "Montserrat", sans-serif; /* tipografía del lockup del logo */
  --font-quote: "Lora", Georgia, serif;   /* citas y definiciones */

  --margin: clamp(20px, 6vw, 80px);
  --section-gap: clamp(72px, 10vw, 120px);
  --header-h: 72px;
  --radius: 12px;
  /* Resplandores con colores de la paleta (teal #4B6B6B, sage #A7B9B1) */
  --glow-teal: 0 6px 18px rgba(75,107,107,.16), 0 18px 44px rgba(75,107,107,.24);
  --glow-sage: 0 6px 18px rgba(167,185,177,.35), 0 18px 44px rgba(167,185,177,.42);
  --ease-soft: cubic-bezier(.25, .6, .3, 1);
  --hover-time: .45s;
}

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

html { scroll-padding-top: calc(var(--header-h) + 12px); }
/* El scroll suave se activa por JS tras la carga: así el salto inicial
   a un ancla (p. ej. volver a index.html#proyectos) es instantáneo. */
html.smooth-scroll { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--teal); color: var(--white); }

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { max-width: 1280px; margin: 0 auto; padding-inline: var(--margin); }

/* ── Tipografía ─────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  line-height: 1.25;
}
h1 { font-size: clamp(26px, 4.2vw, 46px); letter-spacing: 0.14em; }
h2 { font-size: clamp(22px, 3vw, 32px); }
h3 { font-size: 15px; letter-spacing: 0.16em; }

.tech-note {
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  opacity: 0.85;
}

.lead { font-size: 18px; line-height: 1.7; color: var(--ink-soft); }

/* ── Botones ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition:
    background-color .3s, color .3s, border-color .3s,
    transform var(--hover-time) var(--ease-soft),
    box-shadow var(--hover-time) var(--ease-soft);
}
.btn:hover { transform: scale(1.03); }
.btn-whatsapp:hover, .btn-dark:hover { box-shadow: var(--glow-sage); }
/* mismo brillo exacto que el botón de WhatsApp del hero */
.btn-ghost:hover { box-shadow: var(--glow-sage), 0 0 30px rgba(242,244,243,.5); }
.btn-lg { padding: 17px 32px; }
.btn .icon { width: 20px; height: 20px; flex: none; }

.btn-whatsapp { background: var(--teal); color: var(--white); }
.btn-whatsapp:hover { background: var(--sage); color: var(--navy); }

/* Fondo sólido como el botón de WhatsApp de al lado, pero en azul marino */
.btn-ghost {
  background: var(--navy);
  border-color: rgba(255,255,255,.28);
  color: var(--white);
}
.btn-ghost:hover {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--navy);
}

.btn-dark { background: var(--navy); color: var(--white); }
.btn-dark:hover { background: var(--paper); color: var(--navy); }

/* Los WhatsApp del hero y del encabezado se iluminan igual que el de la
   franja de contacto: fondo claro con el mismo resplandor reforzado */
.hero-actions .btn-whatsapp:hover,
.header-cta:hover {
  background: var(--paper);
  color: var(--navy);
  box-shadow: var(--glow-sage), 0 0 30px rgba(242,244,243,.5);
}

/* ── Header ─────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: var(--navy);
  border-bottom: 1px solid rgba(199,201,196,.18);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header-h);
  padding-inline: var(--margin);
}
.brand { display: flex; align-items: center; gap: 16px; }
.brand-mark { width: 46px; height: 46px; flex: none; }
.brand-name {
  font-family: var(--font-brand);
  font-weight: 500;
  font-size: 27px;
  letter-spacing: 0.2em; /* separación DLAT validada por el cliente: ni 0.14 ni 0.3 */
  text-transform: uppercase;
  color: var(--white);
  white-space: nowrap;
  line-height: 1;
  /* compensa el hueco que el interletrado deja tras la T */
  margin-right: -0.2em;
  transform: translateY(1px); /* centrado óptico con el monograma */
}
.main-nav { display: flex; gap: 28px; }
.main-nav a {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
  padding: 6px 2px;
  border-bottom: 1px solid transparent;
  transition: color .3s, border-color .3s;
}
.main-nav a:hover { color: var(--white); border-color: var(--sage); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 10px;
  cursor: pointer;
}
.menu-toggle span { width: 24px; height: 2px; background: var(--white); transition: transform .3s, opacity .3s; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px var(--margin) 28px;
  background: var(--navy);
  border-bottom: 1px solid rgba(199,201,196,.18);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,.8);
  padding: 12px 0;
  border-bottom: 1px solid rgba(199,201,196,.12);
}
.mobile-nav .btn { margin-top: 16px; border-bottom: none; color: var(--white); }

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: #14202B; /* solo de respaldo mientras carga la foto */
  color: var(--white);
  padding: calc(var(--header-h) + 48px) var(--margin) 96px;
  overflow: hidden;
}
/* Fotografía de fondo con velo para mantener el texto legible */
.hero-photo {
  position: absolute;
  inset: 0;
  background: url('../assets/hero-bg.jpg') center 45% / cover no-repeat;
  pointer-events: none;
}
/* Sombra pegada al borde izquierdo, justo bajo el texto: a partir de la
   mitad el velo desaparece y la casa se ve como en la foto original */
.hero-veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(96deg,
    rgba(0,0,0,.60) 0%,
    rgba(0,0,0,.38) 26%,
    rgba(0,0,0,.14) 44%,
    rgba(0,0,0,.03) 58%,
    rgba(0,0,0,0) 70%);
}
@media (max-width: 860px) {
  .hero-photo { background-image: url('../assets/hero-bg-sm.jpg'); }
  .hero-veil { background: linear-gradient(to bottom, rgba(0,0,0,.50) 0%, rgba(0,0,0,.38) 50%, rgba(0,0,0,.52) 100%); }
}
/* El monograma se ve completo: sin desbordar el borde de la sección */
.hero-watermark {
  position: absolute;
  right: clamp(16px, 3vw, 56px);
  top: 50%;
  transform: translateY(-50%);
  width: min(46vw, 560px);
  height: auto;
  color: var(--sage);
  opacity: .09;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  /* apoyo de legibilidad ahora que el velo es más claro */
  text-shadow: 0 1px 3px rgba(0,0,0,.35), 0 2px 18px rgba(0,0,0,.30);
}
.hero-content .btn { text-shadow: none; }
.hero-mark { width: clamp(72px, 9vw, 110px); height: auto; margin-bottom: 32px; }
.hero-brandrow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: clamp(16px, 2vw, 26px);
  margin-bottom: 16px;
}
.hero-brand {
  font-family: var(--font-brand);
  font-weight: 500;
  font-size: clamp(44px, 6.5vw, 78px);
  letter-spacing: 0.15em; /* como en el logo: separación moderada */
  text-transform: uppercase;
  color: var(--white);
  line-height: 1;
}
.hero-brand-divider {
  width: 1px;
  height: clamp(32px, 4vw, 56px);
  background: rgba(167,185,177,.5);
  flex: none;
}
.hero-owner {
  font-family: var(--font-brand);
  font-weight: 400;
  font-size: clamp(20px, 2.8vw, 34px);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--sage);
  line-height: 1.1;
}
.hero-kicker {
  font-family: var(--font-brand);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 20px;
}
.hero .rule { width: 96px; height: 1px; background: var(--sage); margin: 28px 0; }
.hero-sub { font-size: clamp(16px, 1.6vw, 19px); color: rgba(242,244,243,.82); max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 40px; }

/* ── Franja de confianza ────────────────────────────────────── */
.trust { background: var(--white); border-bottom: 1px solid var(--stone); }
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding-block: 40px 32px;
}
.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  padding: 8px 16px;
  border-left: 1px solid var(--stone);
}
.trust-item:first-child { border-left: none; }
.trust-figure {
  font-family: var(--font-head);
  font-size: clamp(20px, 2.2vw, 26px);
  letter-spacing: 0.1em;
  color: var(--navy);
  text-transform: uppercase;
}
.trust-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.values-line {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  padding: 18px var(--margin) 22px;
  border-top: 1px solid var(--paper);
}
.values-line span {
  font-family: var(--font-head);
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--teal);
}
.values-line i { width: 1px; height: 12px; background: var(--stone); }

/* Comilla decorativa de las citas (usada en Sobre mí) */
.intro-mark {
  position: absolute;
  top: clamp(16px, 1.6vw, 24px);
  left: clamp(22px, 2.4vw, 36px);
  font-family: var(--font-quote);
  font-size: clamp(46px, 4.6vw, 62px);
  line-height: .78; /* recorta la caja para que no invada el texto */
  color: var(--sage);
  opacity: .45;
  pointer-events: none;
  user-select: none;
}

/* ── Secciones ──────────────────────────────────────────────── */
.section { padding-block: var(--section-gap); background: var(--paper); }

/* Variantes de fondo para dar ritmo entre secciones */
.section-white { background: var(--white); border-block: 1px solid var(--stone); }
.section-tint {
  background: linear-gradient(180deg, var(--sage-tint) 0%, var(--paper) 100%);
  border-top: 1px solid var(--sage-tint-2);
}
.section-blueprint {
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, rgba(75,107,107,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(75,107,107,.06) 1px, transparent 1px);
  background-size: 32px 32px;
  border-block: 1px solid var(--sage-tint-2);
}
.section-dark { background: var(--navy); position: relative; overflow: hidden; }
.section-dark::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
/* Halo circular que sigue al cursor (solo en esta sección).
   Es una capa pequeña movida con translate: el navegador la compone en
   GPU en vez de repintar toda la sección, así no se queda atrás. */
.section-dark::after {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 80px;
  height: 80px;
  translate: calc(var(--mx, 50%) - 40px) calc(var(--my, 50%) - 40px);
  background: radial-gradient(
    circle closest-side,
    rgba(167,185,177,.26) 0%,
    rgba(167,185,177,.11) 48%,
    transparent 76%
  );
  will-change: translate;
  pointer-events: none;
  opacity: 0;
  transition: opacity .35s var(--ease-soft);
}
.section-dark.spotlight-on::after { opacity: 1; }
.section-dark .container { position: relative; z-index: 1; }
.section-dark h2, .section-dark .split-aside h2 { color: var(--white); }
.section-dark .tech-note { color: var(--sage); }
.section-dark .accent-bar { background: var(--sage); }
.section-dark .aside-note { color: rgba(242,244,243,.65); }
.section-dark .lead { color: rgba(242,244,243,.85); }
.section-dark .timeline li { border-top-color: rgba(199,201,196,.24); }
.section-dark .timeline li:hover { border-top-color: var(--sage); }
.section-dark .timeline h3 { color: var(--white); }
.section-dark .timeline p { color: rgba(242,244,243,.7); }
.section-dark .timeline-year { color: var(--sage); }

/* Marca de agua decorativa del monograma */
.has-watermark { position: relative; overflow: hidden; }
.has-watermark .container { position: relative; }
.section-watermark {
  position: absolute;
  right: clamp(14px, 2.5vw, 48px);
  bottom: clamp(14px, 2.5vw, 48px);
  width: min(32vw, 380px);
  height: auto;
  color: var(--sage);
  opacity: .16;
  pointer-events: none;
}
/* El monograma toma el color que corresponde al fondo de cada sección */
.section-dark .section-watermark { color: var(--sage); opacity: .08; }
.section-tint .section-watermark { color: var(--teal); opacity: .10; }
.section-white .section-watermark { color: var(--sage); opacity: .20; }
.section-blueprint .section-watermark { color: var(--teal); opacity: .12; }
.section-about .section-watermark { color: var(--teal); opacity: .10; }
.cta .section-watermark { color: var(--white); opacity: .12; }

.section-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
  border-bottom: 1px solid var(--stone);
  padding-bottom: 18px;
  margin-bottom: 48px;
}
.section-head h2 { color: var(--navy); }
/* Título de sección: el cuadro gira a rombo y el texto se ilumina */
.section-head h2, .split-aside h2 {
  position: relative;
  padding-left: 30px;
  cursor: default;
  transition: color .35s var(--ease-soft);
}
.section-head h2::before, .split-aside h2::before {
  content: '';
  position: absolute;
  left: 0; top: 0.46em;
  width: 12px; height: 12px;
  background: var(--teal);
  transition:
    transform .35s var(--ease-soft),
    background-color .35s var(--ease-soft),
    box-shadow .35s var(--ease-soft);
}
.section-head h2:hover, .split-aside h2:hover { color: var(--teal); }
.section-head h2:hover::before, .split-aside h2:hover::before {
  transform: scale(1.25) rotate(45deg);
  box-shadow: 0 0 12px rgba(75,107,107,.55);
}
/* Sobre fondo oscuro, el acento va en salvia */
.section-dark .split-aside h2::before { background: var(--sage); }
.section-dark .split-aside h2:hover { color: var(--sage); }
.section-dark .split-aside h2:hover::before {
  background: var(--sage);
  box-shadow: 0 0 14px rgba(167,185,177,.6);
}
.section-note { color: var(--ink-soft); font-size: 14px; margin: -28px 0 36px; }

/* ── Servicios ──────────────────────────────────────────────── */
/* 5 columnas: los 10 servicios quedan en dos filas de cinco */
.services-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
@media (max-width: 1180px) { .services-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 940px)  { .services-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 680px)  { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 420px)  { .services-grid { grid-template-columns: 1fr; } }
.service {
  position: relative;
  padding: 32px 28px;
  border: 1px solid var(--stone);
  border-radius: var(--radius);
  background: var(--white);
  transition:
    transform var(--hover-time) var(--ease-soft),
    box-shadow var(--hover-time) var(--ease-soft),
    border-color var(--hover-time) var(--ease-soft);
}
.service:hover {
  transform: scale(1.02);
  box-shadow: var(--glow-teal);
  border-color: var(--sage);
}
.service-icon { width: 40px; height: 40px; color: var(--teal); margin-bottom: 20px; }
.service h3 { color: var(--navy); margin-bottom: 10px; }
.service p { font-size: 14px; color: var(--ink-soft); }

/* ── Layout partido (aside + main) ─────────────────────────── */
.split {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) 2fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.split-aside { position: sticky; top: calc(var(--header-h) + 32px); }
.split-aside h2 { color: var(--navy); margin-bottom: 10px; }
.accent-bar { width: 48px; height: 3px; background: var(--teal); margin-top: 18px; }
.aside-note { margin-top: 24px; font-size: 14px; color: var(--ink-soft); max-width: 280px; }

/* ── Clientes ───────────────────────────────────────────────── */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 36px 32px;
}
.client { border-left: 2px solid var(--stone); padding-left: 24px; transition: border-color .3s; }
.client:hover { border-color: var(--teal); }
.client h3 { color: var(--navy); margin-bottom: 10px; }
.client p { font-size: 15px; color: var(--ink-soft); }

/* ── Sobre mí ───────────────────────────────────────────────── */
.section-about {
  background: linear-gradient(180deg, var(--white) 0%, var(--sage-tint) 100%);
  border-block: 1px solid var(--sage-tint-2);
}
.about-grid {
  display: grid;
  grid-template-columns: 1.9fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
/* Presentación con retrato */
.about-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(20px, 3vw, 34px);
  align-items: center;
}
/* El retrato se puede ampliar: el botón no aporta estilo propio */
.about-photo-btn {
  padding: 0;
  border: none;
  background: none;
  border-radius: 50%;
  cursor: zoom-in;
  line-height: 0;
  transition: transform var(--hover-time) var(--ease-soft), box-shadow var(--hover-time) var(--ease-soft);
}
.about-photo-btn:hover { transform: scale(1.04); }
.about-photo-btn:hover .about-photo { border-color: var(--sage); box-shadow: var(--glow-teal); }
.about-photo {
  width: clamp(112px, 13vw, 156px);
  height: clamp(112px, 13vw, 156px);
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--white);
  /* La figura viene recortada: este fondo hace de plató en tonos de marca */
  background: radial-gradient(circle at 50% 32%, var(--white) 0%, var(--sage-tint) 62%, var(--sage-tint-2) 100%);
  box-shadow: 0 2px 6px rgba(31,41,55,.10), 0 14px 32px rgba(31,41,55,.14);
  flex: none;
  transition: border-color var(--hover-time) var(--ease-soft), box-shadow var(--hover-time) var(--ease-soft);
}
/* "Mi nombre es" y el nombre, cada uno en su renglón y su tipografía */
.about-greeting {
  font-family: var(--font-quote);
  font-style: italic;
  font-size: clamp(15px, 1.5vw, 18px);
  color: var(--ink-soft);
  margin-bottom: 2px;
}
.about-name {
  font-family: var(--font-brand);
  font-weight: 500;
  font-size: clamp(21px, 2.3vw, 28px);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--teal);
  line-height: 1.2;
  margin-bottom: 12px;
}
.about-intro {
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.7;
  color: var(--ink-soft);
  text-wrap: pretty;
}
.about-intro b { font-weight: 400; color: var(--navy); }
@media (max-width: 620px) {
  .about-head { grid-template-columns: 1fr; gap: 18px; justify-items: start; }
}
.about-text { font-size: 15px; line-height: 1.7; color: var(--ink-soft); margin-top: 18px; }

/* La definición de la profesión, integrada como cita en relieve */
.about-quote {
  position: relative;
  margin-top: 28px;
  padding: clamp(64px, 6vw, 78px) clamp(26px, 3vw, 44px) clamp(30px, 3vw, 40px);
  background: var(--white);
  border: 1px solid var(--stone);
  border-radius: 18px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.9),
    0 2px 4px rgba(31,41,55,.04),
    0 14px 34px rgba(31,41,55,.09);
  transition:
    transform var(--hover-time) var(--ease-soft),
    box-shadow var(--hover-time) var(--ease-soft),
    border-color var(--hover-time) var(--ease-soft);
}
.about-quote:hover {
  transform: scale(1.015);
  border-color: var(--sage);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.9),
    0 6px 18px rgba(75,107,107,.16),
    0 22px 48px rgba(75,107,107,.22);
}
.about-quote p {
  position: relative;
  font-family: var(--font-quote);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.7;
  color: var(--navy);
  text-wrap: pretty;
}
/* Competencias destacadas solo por color, sin subrayado */
.about-quote b {
  font-weight: 500;
  color: var(--teal);
}

/* Las cuatro constantes: como antes, en grande y con el cuadro que se ilumina */
.about-values {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin-top: 22px;
  padding: 0;
}
.about-values li {
  position: relative;
  font-family: var(--font-head);
  font-size: clamp(15px, 1.6vw, 19px);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--navy);
  padding-left: 24px;
  cursor: default;
  transition: color .3s var(--ease-soft);
}
.about-values li::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 11px; height: 11px;
  margin-top: -5px;
  background: var(--sage);
  transition: background-color .3s var(--ease-soft), box-shadow .3s var(--ease-soft), transform .3s var(--ease-soft);
}
.about-values li:hover { color: var(--teal); }
.about-values li:hover::before {
  background: var(--teal);
  transform: scale(1.25) rotate(45deg);
  box-shadow: 0 0 12px rgba(75,107,107,.55);
}

/* Cifras clave */
.about-facts { display: flex; flex-direction: column; gap: 22px; }
.about-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 4px 0 4px 22px;
  border-left: 2px solid var(--stone);
  transition: border-color .3s;
}
.about-fact:hover { border-left-color: var(--teal); }
.about-fact-num {
  font-family: var(--font-head);
  font-size: clamp(22px, 2.4vw, 28px);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
}
.about-fact-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 24px; }
}

/* ── Timeline ───────────────────────────────────────────────── */
.timeline { list-style: none; margin-top: 40px; }
/* Línea superior que se ilumina al pasar el cursor, como en Clientes */
.timeline li {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-top: 2px solid var(--stone);
  transition: border-color .3s;
}
.timeline li:hover { border-top-color: var(--sage); }
.timeline-year {
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--teal);
  text-transform: uppercase;
  padding-top: 2px;
}
.timeline h3 { color: var(--navy); margin-bottom: 6px; }
.timeline p { font-size: 15px; color: var(--ink-soft); }

/* ── Proyectos ──────────────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.project {
  display: block;
  container-type: inline-size;
  border: 1px solid var(--stone);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper);
  transition:
    transform var(--hover-time) var(--ease-soft),
    box-shadow var(--hover-time) var(--ease-soft),
    border-color var(--hover-time) var(--ease-soft);
}
.project:hover { transform: scale(1.02); box-shadow: var(--glow-sage); border-color: var(--sage); }
.project-media {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--white);
  background-image:
    linear-gradient(to right, rgba(31,41,55,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(31,41,55,.05) 1px, transparent 1px);
  background-size: 24px 24px;
}
.project-media svg { width: 96px; height: 96px; color: var(--stone); }
.project-media img { width: 100%; height: 100%; object-fit: cover; }
.project-caption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid var(--stone);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
}
.project-caption .tech-note { white-space: nowrap; font-size: 11px; letter-spacing: 0.1em; }
.project-caption > span:first-child { white-space: nowrap; }

/* En tarjetas estrechas se abrevia según el ancho real de la tarjeta.
   Por defecto se muestra el texto completo: si el navegador no soporta
   consultas de contenedor, no se pierde información. */
.abbr-min { display: none; }
@container (max-width: 330px) {
  .abbr-full { display: none; }
  .abbr-min { display: inline; }
}

/* ── Ficha de proyecto ──────────────────────────────────────── */
.detail-page { padding: calc(var(--header-h) + 56px) 0 var(--section-gap); }
.back-link {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 40px;
  transition: color .3s;
}
.back-link:hover { color: var(--navy); }
.detail-kicker {
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 14px;
}
.detail-page h1 { color: var(--navy); font-size: clamp(26px, 3.4vw, 40px); margin-bottom: 14px; }
.detail-meta { display: block; margin-bottom: 48px; color: var(--ink-soft); }
/* 3 columnas: las 6 fotos quedan en dos filas de tres */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 64px;
}
@media (max-width: 900px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .gallery-grid { grid-template-columns: 1fr; } }
.gallery-item {
  aspect-ratio: 3 / 2;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--stone);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--white);
  background-image:
    linear-gradient(to right, rgba(31,41,55,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(31,41,55,.05) 1px, transparent 1px);
  background-size: 24px 24px;
  transition:
    transform var(--hover-time) var(--ease-soft),
    box-shadow var(--hover-time) var(--ease-soft),
    border-color var(--hover-time) var(--ease-soft);
}
.gallery-item:hover { transform: scale(1.02); box-shadow: var(--glow-sage); border-color: var(--sage); }
.gallery-item svg { width: 80px; height: 80px; color: var(--stone); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; }
/* ── Visor de imágenes (lightbox) ───────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: clamp(16px, 5vw, 64px);
  background: rgba(31, 41, 55, .96);
}
.lightbox[hidden] { display: none; }
.lightbox-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius);
}
.lightbox-close,
.lightbox-nav {
  background: none;
  border: 1px solid rgba(242,244,243,.25);
  border-radius: 50%;
  color: var(--paper);
  cursor: pointer;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color .3s, border-color .3s;
}
/* `display: flex` ganaba al atributo hidden: sin esto, las flechas seguían
   apareciendo aunque hubiera una sola imagen (el retrato de Sobre mí) */
.lightbox-nav[hidden] { display: none; }
.lightbox-close:hover,
.lightbox-nav:not(:disabled):hover { background: var(--teal); border-color: var(--teal); }
.lightbox-nav:disabled {
  opacity: .28;
  cursor: default;
  border-color: rgba(242,244,243,.15);
}
.lightbox-close {
  position: absolute;
  top: clamp(12px, 3vw, 28px);
  right: clamp(12px, 3vw, 28px);
  width: 44px; height: 44px;
  font-size: 30px;
}
.lightbox-nav { width: 48px; height: 48px; font-size: 30px; flex: none; }
.lightbox-counter {
  position: absolute;
  bottom: clamp(12px, 3vw, 28px);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: rgba(242,244,243,.75);
}
body.lightbox-open { overflow: hidden; }
@media (max-width: 640px) {
  .lightbox-nav { position: absolute; bottom: 16px; }
  .lightbox-prev { left: 16px; }
  .lightbox-next { right: 16px; }
  .lightbox-counter { bottom: 30px; }
}

.detail-desc { max-width: 720px; margin-bottom: 56px; }
.detail-desc h2 { color: var(--navy); font-size: 18px; margin-bottom: 14px; }
.detail-desc p { color: var(--ink-soft); }
.detail-actions { display: flex; flex-wrap: wrap; gap: 16px; }

/* ── Navegación entre proyectos (anterior / siguiente) ──────── */
.project-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  gap: 12px;
  margin-top: 64px;
  padding-top: 28px;
  border-top: 1px solid var(--stone);
}
.project-nav-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border: 1px solid var(--stone);
  border-radius: var(--radius);
  background: var(--white);
  transition:
    background-color var(--hover-time) var(--ease-soft),
    border-color var(--hover-time) var(--ease-soft),
    box-shadow var(--hover-time) var(--ease-soft);
}
.project-nav-link:hover { background: var(--sage-tint); border-color: var(--sage); box-shadow: var(--glow-teal); }
.project-nav-link.next { justify-content: flex-end; text-align: right; }
.project-nav-arrow {
  font-size: 24px;
  line-height: 1;
  color: var(--teal);
  flex: none;
  transition: transform var(--hover-time) var(--ease-soft);
}
.project-nav-link.prev:hover .project-nav-arrow { transform: translateX(-4px); }
.project-nav-link.next:hover .project-nav-arrow { transform: translateX(4px); }
.project-nav-text { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.project-nav-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
}
.project-nav-name {
  font-family: var(--font-head);
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.project-nav-all {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 16px;
  border: 1px solid var(--stone);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--teal);
  font-size: 18px;
  transition: background-color var(--hover-time) var(--ease-soft), border-color var(--hover-time) var(--ease-soft);
}
.project-nav-all:hover { background: var(--sage-tint); border-color: var(--sage); }
.project-nav-all-text {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--navy);
}
@media (max-width: 640px) {
  .project-nav { grid-template-columns: 1fr 1fr; gap: 10px; }
  .project-nav-all { grid-column: 1 / -1; order: 3; flex-direction: row; gap: 10px; }
  .project-nav-link { padding: 14px; gap: 10px; }
  .project-nav-name { font-size: 13px; }
}
.btn-outline-navy { border-color: var(--navy); color: var(--navy); }
.btn-outline-navy:hover { background: var(--navy); color: var(--white); box-shadow: var(--glow-teal); }

/* ── Testimonios ────────────────────────────────────────────── */
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  align-items: stretch;
  /* Todas las tarjetas con la misma altura, aunque queden en filas distintas */
  grid-auto-rows: 1fr;
}
.testimonial {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--stone);
  border-radius: var(--radius);
  background: var(--white);
  padding: 32px 28px;
  position: relative;
  transition:
    transform var(--hover-time) var(--ease-soft),
    box-shadow var(--hover-time) var(--ease-soft),
    border-color var(--hover-time) var(--ease-soft);
}
.testimonial:hover { transform: scale(1.02); box-shadow: var(--glow-teal); border-color: var(--sage); }
.testimonial::before {
  content: '“';
  font-family: var(--font-head);
  font-size: 48px;
  line-height: 1;
  color: var(--sage);
  display: block;
  margin-bottom: 12px;
}
.testimonial p { font-size: 15px; line-height: 1.65; color: var(--ink-soft); }
.testimonial p + p { margin-top: 12px; }
.testimonial footer {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: auto; /* ancla el autor al pie: tarjetas visualmente iguales */
  padding-top: 16px;
  border-top: 1px solid var(--stone);
}
.testimonial p:last-of-type { margin-bottom: 22px; }
.testimonial-name {
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy);
}
.testimonial-role {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
}

/* ── CTA final ──────────────────────────────────────────────── */
.cta {
  background: var(--teal);
  color: var(--white);
  padding: var(--section-gap) var(--margin);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(45deg, rgba(255,255,255,.06) 0 1px, transparent 1px 20px);
  pointer-events: none;
}
.cta .container { position: relative; }
.cta h2 { max-width: 720px; margin: 0 auto 36px; letter-spacing: 0.18em; }
.cta-kicker {
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,.65);
  margin-bottom: 18px;
}
.cta .contact-grid { margin-top: 64px; text-align: left; }

/* ── Contacto ───────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}
/* Tarjetas tono sobre tono dentro de la franja teal */
.contact-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid rgba(242,244,243,.22);
  border-top: 2px solid var(--sage);
  border-radius: var(--radius);
  background: rgba(242,244,243,.08);
  padding: 28px 24px;
  transition:
    background-color var(--hover-time) var(--ease-soft),
    border-color var(--hover-time) var(--ease-soft),
    transform var(--hover-time) var(--ease-soft),
    box-shadow var(--hover-time) var(--ease-soft);
}
.contact-card:hover {
  background: rgba(242,244,243,.16);
  border-color: rgba(242,244,243,.4);
  border-top-color: var(--sage);
  transform: scale(1.02);
  box-shadow: var(--glow-sage);
}
.contact-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--sage);
}
.contact-value {
  font-family: var(--font-head);
  font-size: 19px;
  letter-spacing: 0.06em;
  color: var(--white);
}
.contact-hint { font-size: 13px; color: rgba(242,244,243,.75); }

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer { background: var(--navy); color: rgba(242,244,243,.75); }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-block: 72px 48px;
}
.footer-mark { width: 56px; height: 56px; margin-bottom: 20px; }
.footer-lockup { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.footer-rule { width: 72px; height: 1px; background: var(--sage); opacity: .6; }
.footer-owner {
  font-family: var(--font-brand);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--sage);
}
.footer-tagline {
  font-family: var(--font-brand);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sage);
  line-height: 1.9;
}
.site-footer h4 {
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--white);
  margin-bottom: 18px;
}
.footer-nav { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a, .footer-contact a {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(242,244,243,.6);
  transition: color .3s;
}
.footer-nav a:hover, .footer-contact a:hover { color: var(--white); }
.footer-contact p { margin-bottom: 10px; font-size: 14px; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-block: 24px;
  border-top: 1px solid rgba(199,201,196,.15);
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(242,244,243,.45);
}
.footer-bottom a { color: rgba(242,244,243,.6); }
.footer-bottom a:hover { color: var(--white); }

/* ── WhatsApp flotante ──────────────────────────────────────── */
.whatsapp-float {
  position: fixed;
  right: 24px; bottom: 24px;
  z-index: 90;
  width: 60px; height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--teal);
  color: var(--white);
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.25);
  transition:
    background-color .3s, color .3s, border-color .3s,
    transform var(--hover-time) var(--ease-soft),
    box-shadow var(--hover-time) var(--ease-soft);
}
/* Se ilumina igual que los botones de WhatsApp del hero y del encabezado */
.whatsapp-float:hover {
  background: var(--paper);
  color: var(--navy);
  border-color: var(--paper);
  transform: scale(1.08);
  box-shadow: var(--glow-sage), 0 0 30px rgba(242,244,243,.5);
}
.whatsapp-float .icon { width: 30px; height: 30px; }

/* Nota: no usar will-change:transform en las tarjetas — impide que
   Chrome redibuje el texto nítido al terminar la animación de escala
   y lo deja borroso durante todo el hover. */

/* ── Animaciones de aparición (solo si hay JS: html.js) ───────
   Usa la propiedad `translate` (no `transform`) para no interferir
   con el scale de los efectos hover de las tarjetas. */
html.js .reveal {
  opacity: 0;
  translate: 0 18px;
  /* Incluye también las propiedades del hover: esta regla gana en
     especificidad a las de las tarjetas y sustituiría su transición. */
  transition:
    opacity .7s ease,
    translate .7s ease,
    transform var(--hover-time) var(--ease-soft),
    box-shadow var(--hover-time) var(--ease-soft),
    border-color var(--hover-time) var(--ease-soft),
    background-color var(--hover-time) var(--ease-soft);
}
html.js .reveal.visible { opacity: 1; translate: 0 0; }
@media (prefers-reduced-motion: reduce) {
  html.smooth-scroll { scroll-behavior: auto; }
  html.js .reveal { opacity: 1; translate: 0 0; transition: none; }
  .service, .project, .testimonial, .contact-card, .gallery-item, .btn { transition: none; }
  .service:hover, .project:hover, .testimonial:hover, .contact-card:hover, .gallery-item:hover, .btn:hover { transform: none; }
}

/* ── Página aviso legal ─────────────────────────────────────── */
.legal-page { padding: calc(var(--header-h) + 64px) 0 var(--section-gap); }
.legal-page .container { max-width: 820px; }
.legal-page h1 { color: var(--navy); font-size: clamp(24px, 3vw, 34px); margin-bottom: 40px; }
.legal-page h2 { font-size: 16px; color: var(--navy); margin: 40px 0 14px; }
.legal-page p, .legal-page li { color: var(--ink-soft); font-size: 15px; margin-bottom: 12px; }
.legal-page ul { padding-left: 20px; }
.legal-back { display: inline-block; margin-top: 48px; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 960px) {
  .main-nav, .header-cta { display: none; }
  .menu-toggle { display: flex; }
  .split { grid-template-columns: 1fr; }
  .split-aside { position: static; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; padding-block: 56px 40px; }
}
@media (max-width: 720px) {
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-item { border-left: none; border-top: 1px solid var(--paper); }
  .trust-item:nth-child(even) { border-left: 1px solid var(--stone); }
  .trust-item:nth-child(-n+2) { border-top: none; }
  .values-line { flex-wrap: wrap; gap: 12px; }
  .values-line i { display: none; }
  .timeline li { grid-template-columns: 1fr; gap: 6px; }
  .hero-actions .btn { width: 100%; }
  .hero-meta { display: none; }
}