/* =========================================================================
   GESTAM — Sistema de Diseño Premium
   Consultoría Ambiental para Minería e Infraestructura
   ========================================================================= */

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/* 1. TOKENS / DESIGN SYSTEM                                                */
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:root {
  /* --- Paleta (basada en marca: teal #2e5f57 · lima #d2e9a5 · negro) --- */
  --ink:        #000000;   /* Negro — fondos profundos / texto fuerte        */
  --forest:     #2E5F57;   /* Teal corporativo (color primario)             */
  --forest-700: #244C45;   /* Teal más oscuro                               */
  --forest-500: #356B61;   /* Teal medio                                    */
  --pine:       #4F8C7E;   /* Teal claro — hover / detalles                 */
  --lime:       #D2E9A5;   /* Verde lima — acento claro                     */
  --copper:     #2E5F57;   /* Acento sobre fondos claros = teal (legible)   */
  --copper-300: #D2E9A5;   /* Acento sobre fondos oscuros = lima            */
  --sand:       #F4F7EE;   /* Fondo claro con leve tinte verde              */
  --sand-200:   #E7F0D6;   /* Lima muy claro — chips / fondos de sección    */
  --paper:      #FFFFFF;
  --slate:      #51635C;   /* Gris verdoso — texto secundario               */
  --line:       rgba(46, 95, 87, .16);
  --line-dark:  rgba(255, 255, 255, .12);

  /* --- Tipografía --- */
  --font-display: "Sora", system-ui, sans-serif;
  --font-body:    "Sora", system-ui, -apple-system, sans-serif;

  --step--1: clamp(0.83rem, 0.8rem + 0.15vw, 0.92rem);
  --step-0:  clamp(0.95rem, 0.92rem + 0.15vw, 1.05rem);
  --step-1:  clamp(1.05rem, 1rem + 0.25vw, 1.2rem);
  --step-2:  clamp(1.3rem, 1.15rem + 0.5vw, 1.6rem);
  --step-3:  clamp(1.55rem, 1.4rem + 0.8vw, 2.1rem);
  --step-4:  clamp(1.9rem, 1.55rem + 1.3vw, 2.6rem);
  --step-5:  clamp(2.1rem, 1.7rem + 1.8vw, 3.2rem);

  /* --- Espaciado --- */
  --space-xs: .5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: clamp(4rem, 8vw, 9rem);
  --container: 1080px;
  --gutter: clamp(1.25rem, 5vw, 4rem);

  /* --- Radios / sombras --- */
  --radius:    18px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(10, 23, 18, .06);
  --shadow:    0 18px 40px -20px rgba(10, 23, 18, .35);
  --shadow-lg: 0 40px 80px -30px rgba(10, 23, 18, .45);

  --ease: cubic-bezier(.22, 1, .36, 1);
}

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/* 2. RESET                                                                 */
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*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; font-size: 81.25%; overflow-x: hidden; max-width: 100%; }
body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--ink);
  background: var(--sand);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; }
ul { list-style: none; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.08; font-weight: 600; letter-spacing: -.02em; }

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/* 3. LAYOUT HELPERS                                                        */
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.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--space-xl); position: relative; }
.section--dark { background: var(--forest); color: var(--sand); }
.section--ink { background: var(--ink); color: var(--sand); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--font-display);
  font-size: var(--step--1); font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--copper);
}
.eyebrow::before { content: ""; width: 26px; height: 1.5px; background: var(--copper); }
.section--dark .eyebrow, .section--ink .eyebrow { color: var(--copper-300); }
.section--dark .eyebrow::before, .section--ink .eyebrow::before { background: var(--copper-300); }

.section-head { max-width: 720px; margin-bottom: var(--space-lg); }
.section-head h2 { font-size: var(--step-3); margin: 1rem 0 0; }
.section-head p { margin-top: 1rem; color: var(--slate); font-size: var(--step-1); }
.section--dark .section-head p, .section--ink .section-head p { color: rgba(246, 243, 236, .72); }

.lead { font-size: var(--step-1); color: var(--slate); }

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/* 4. BOTONES                                                               */
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.btn {
  --bg: var(--forest); --fg: #fff;
  display: inline-flex; align-items: center; gap: .65rem; white-space: nowrap;
  padding: .95rem 1.6rem; border-radius: var(--radius-pill);
  font-family: var(--font-display); font-weight: 500; font-size: var(--step-0);
  background: var(--bg); color: var(--fg);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease);
  will-change: transform;
}
.btn svg { width: 18px; height: 18px; transition: transform .35s var(--ease); }
.btn:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.btn:hover svg { transform: translateX(4px); }
.btn--copper { --bg: var(--lime); --fg: var(--ink); }
.btn--copper:hover { --bg: #C2DD8C; --fg: var(--ink); }
.btn--ghost {
  --bg: transparent; --fg: var(--forest);
  box-shadow: inset 0 0 0 1.5px var(--line);
}
.btn--ghost:hover { box-shadow: inset 0 0 0 1.5px var(--forest); background: transparent; }
.btn--light { --bg: rgba(255,255,255,.08); --fg: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.25); }
.btn--light:hover { --bg: #fff; --fg: var(--forest); }

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/* 5. HEADER / NAV                                                          */
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.header {
  position: fixed; inset: 0 0 auto; z-index: 100;
  transition: background .4s var(--ease), box-shadow .4s var(--ease), transform .5s var(--ease);
}
.header.is-hidden { transform: translateY(-110%); }
.header.is-scrolled {
  background: rgba(246, 243, 236, .82);
  backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 84px; }
.brand { display: flex; align-items: center; gap: .7rem; font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; letter-spacing: -.03em; color: var(--ink); }
.brand .mark { height: 64px; width: auto; flex: none; }
.brand small { display: block; font-family: var(--font-body); font-weight: 400; font-size: .58rem; letter-spacing: .28em; text-transform: uppercase; color: var(--slate); margin-top: 1px; }

.nav-menu { display: flex; align-items: center; gap: .35rem; }
.nav-menu > li > a, .nav-trigger {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .6rem .9rem; border-radius: var(--radius-pill);
  font-size: var(--step--1); font-weight: 500; color: var(--ink);
  transition: background .25s var(--ease), color .25s var(--ease);
}
.nav-menu > li > a:hover, .nav-trigger:hover { background: rgba(14,59,44,.07); color: var(--forest); }
.nav-trigger svg { width: 14px; height: 14px; transition: transform .3s var(--ease); }
.has-mega[aria-expanded="true"] .nav-trigger svg { transform: rotate(180deg); }
.nav-actions { display: flex; align-items: center; gap: .8rem; flex: none; }
.nav-actions .btn { flex: none; padding: .65rem 1.25rem; font-size: .9rem; }

/* Megamenú */
.has-mega { position: relative; }
.mega {
  position: fixed; top: 90px; left: 50%; transform: translateX(-50%) translateY(10px);
  width: min(1080px, 95vw);
  background: var(--paper); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); border: 1px solid var(--line);
  padding: 1.6rem; opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
  display: grid; grid-template-columns: 2.6fr 1fr; gap: 1.6rem;
}
.has-mega[aria-expanded="true"] .mega { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.mega-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .3rem; align-content: start; }
.mega-link { display: flex; gap: .7rem; padding: .6rem; border-radius: 12px; transition: background .25s var(--ease); }
.mega-link:hover { background: var(--sand); }
.mega-link .ic { width: 34px; height: 34px; flex: none; border-radius: 10px; display: grid; place-items: center; background: var(--sand-200); color: var(--forest); }
.mega-link .ic svg { width: 18px; height: 18px; }
.mega-link strong { display: block; font-size: .82rem; font-family: var(--font-display); line-height: 1.2; }
.mega-link span { font-size: .72rem; color: var(--slate); line-height: 1.25; }
.mega-feature { background: var(--forest); color: var(--sand); border-radius: var(--radius); padding: 1.4rem; display: flex; flex-direction: column; justify-content: space-between; }
.mega-feature h4 { font-size: 1.15rem; margin-bottom: .5rem; }
.mega-feature p { font-size: .85rem; color: rgba(246,243,236,.75); margin-bottom: 1rem; }
/* Desplegable compacto (Vinculación) — anclado bajo su propio botón */
.mega--simple { position: absolute; top: calc(100% + 14px); grid-template-columns: 1fr; width: min(340px, 92vw); }
.mega--simple .mega-grid { grid-template-columns: 1fr; }
.mega--simple .mega-link strong { font-size: .9rem; }
.mega--simple .mega-link span { font-size: .76rem; }

/* Hamburguesa */
.burger { display: none; width: 46px; height: 46px; border-radius: 50%; box-shadow: inset 0 0 0 1.5px var(--line); position: relative; }
.burger span { position: absolute; left: 13px; right: 13px; height: 2px; background: var(--ink); transition: transform .3s var(--ease), opacity .3s; }
.burger span:nth-child(1) { top: 18px; } .burger span:nth-child(2) { top: 23px; } .burger span:nth-child(3) { top: 28px; }
body.menu-open .burger span:nth-child(1) { top: 23px; transform: rotate(45deg); }
body.menu-open .burger span:nth-child(2) { opacity: 0; }
body.menu-open .burger span:nth-child(3) { top: 23px; transform: rotate(-45deg); }

/* Nav clara sobre el banner (hero); oscura al hacer scroll cuando el fondo es claro */
.header:not(.is-scrolled) .brand { color: #fff; }
.header:not(.is-scrolled) .brand small { color: rgba(255,255,255,.72); }
.header:not(.is-scrolled) .nav-menu > li > a,
.header:not(.is-scrolled) .nav-trigger { color: #fff; }
.header:not(.is-scrolled) .nav-menu > li > a:hover,
.header:not(.is-scrolled) .nav-trigger:hover { background: rgba(255,255,255,.16); color: #fff; }
.header:not(.is-scrolled) .burger { box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.45); }
.header:not(.is-scrolled) .burger span { background: #fff; }
/* En el menú móvil abierto (panel claro), los enlaces vuelven a ser oscuros */
body.menu-open .nav-menu.is-mobile > li > a,
body.menu-open .nav-menu.is-mobile .nav-trigger { color: var(--ink); }
body.menu-open .nav-menu.is-mobile > li > a:hover,
body.menu-open .nav-menu.is-mobile .nav-trigger:hover { background: rgba(14,59,44,.07); color: var(--forest); }

/* ----------------------------------------------------------------------- */
/* 6. HERO                                                                  */
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.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; color: #fff; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: -2; }
.hero-bg img,
.hero-bg video { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(10,23,18,.06) 0%, rgba(10,23,18,0) 40%, rgba(10,23,18,.42) 100%),
    linear-gradient(90deg, rgba(10,23,18,.10), transparent 60%);
}
.hero-inner { padding-block: 9rem 4rem; max-width: 920px; }
.hero-tag {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .5rem 1rem; border-radius: var(--radius-pill);
  background: rgba(255,255,255,.1); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.2);
  font-size: var(--step--1); letter-spacing: .04em; margin-bottom: 1.6rem;
}
.hero-tag .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 4px rgba(210,233,165,.35); }
.hero h1 { font-size: var(--step-5); font-weight: 600; max-width: 16ch; }
.hero h1 em { font-style: normal; color: var(--copper-300); }
.hero p { font-size: var(--step-1); max-width: 56ch; margin-top: 1.5rem; color: rgba(255,255,255,.85); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.4rem; }
.scroll-hint { position: absolute; bottom: 1.5rem; right: var(--gutter); display: flex; align-items: center; gap: .6rem; font-size: var(--step--1); letter-spacing: .15em; text-transform: uppercase; opacity: .8; }
.scroll-hint .line { width: 1px; height: 46px; background: rgba(255,255,255,.5); position: relative; overflow: hidden; }
.scroll-hint .line::after { content: ""; position: absolute; inset: 0; background: #fff; animation: scrolly 2.4s var(--ease) infinite; }
@keyframes scrolly { 0% { transform: translateY(-100%); } 60%,100% { transform: translateY(100%); } }

/* Marquee de clientes */
.marquee { background: var(--ink); color: var(--sand); padding-block: 1.5rem; overflow: hidden; }
.marquee-track { display: flex; gap: 4rem; width: max-content; animation: marquee 32s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee span { font-family: var(--font-display); font-weight: 500; font-size: 1.1rem; opacity: .55; white-space: nowrap; letter-spacing: .02em; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ----------------------------------------------------------------------- */
/* 7. CREDIBILIDAD / STATS                                                  */
/* ----------------------------------------------------------------------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); }
.stat { background: var(--sand); padding: 2.2rem 1.8rem; }
.section--dark .stat { background: var(--forest-700); }
.stat .num { font-family: var(--font-display); font-size: var(--step-4); font-weight: 600; letter-spacing: -.03em; color: var(--forest); display: flex; align-items: baseline; gap: .1rem; }
.section--dark .stat .num { color: #fff; }
.stat .num .suf { font-size: .45em; color: var(--copper-300); }
.stat .lbl { margin-top: .4rem; color: var(--slate); font-size: var(--step--1); }
.section--dark .stat .lbl { color: rgba(246,243,236,.7); }

/* ----------------------------------------------------------------------- */
/* 8. SERVICIOS                                                             */
/* ----------------------------------------------------------------------- */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.card {
  position: relative; overflow: hidden; isolation: isolate;
  border-radius: var(--radius); padding: 1.8rem;
  background: var(--forest); color: #fff;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
  display: flex; flex-direction: column; min-height: 320px;
}
/* Foto de fondo (placeholder .svg; se reemplaza por tu .webp automáticamente) */
.card-bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
/* Capa de sombra para que el texto sea legible sobre la imagen */
.card::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(10,23,18,.45) 0%, rgba(10,23,18,.55) 42%, rgba(10,23,18,.9) 100%);
  transition: background .4s var(--ease);
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.card:hover .card-bg { transform: scale(1.06); }
.card:hover::after { background: linear-gradient(180deg, rgba(14,59,44,.4) 0%, rgba(10,23,18,.6) 42%, rgba(10,23,18,.94) 100%); }
.card .ic { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; background: rgba(255,255,255,.14); backdrop-filter: blur(4px); color: #fff; margin-bottom: 1.4rem; box-shadow: inset 0 0 0 1px rgba(255,255,255,.2); transition: background .4s var(--ease); }
.card:hover .ic { background: var(--forest); }
.card .ic svg { width: 26px; height: 26px; }
.card h3 { font-size: var(--step-1); text-shadow: 0 1px 14px rgba(10,23,18,.55); }
.card p { margin-top: .6rem; color: rgba(255,255,255,.85); font-size: .92rem; flex: 1; text-shadow: 0 1px 12px rgba(10,23,18,.55); }
.card .more { margin-top: 1.2rem; display: inline-flex; align-items: center; gap: .4rem; font-family: var(--font-display); font-size: .85rem; font-weight: 500; color: #fff; text-align: left; }
.card .more svg { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.card:hover .more svg { transform: translateX(4px); }
/* Texto de detalle: oculto en la card, se muestra en el modal */
.card-extra { display: none; }
.card .index { position: absolute; top: 1.4rem; right: 1.6rem; font-family: var(--font-display); font-size: .8rem; color: rgba(255,255,255,.55); font-weight: 600; }

/* ----------------------------------------------------------------------- */
/* 9. SECTORES                                                              */
/* ----------------------------------------------------------------------- */
.sectors { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-dark); border-radius: var(--radius-lg); overflow: hidden; }
.sector { position: relative; min-height: 260px; display: flex; flex-direction: column; justify-content: flex-end; padding: 1.6rem; color: #fff; overflow: hidden; isolation: isolate; }
.sector img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .8s var(--ease); }
.sector::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(10,23,18,.1), rgba(10,23,18,.85)); transition: background .4s var(--ease); }
.sector:hover img { transform: scale(1.08); }
.sector:hover::after { background: linear-gradient(180deg, rgba(14,59,44,.2), rgba(14,59,44,.9)); }
.sector h3 { font-size: var(--step-1); }
.sector p { font-size: .82rem; color: rgba(255,255,255,.8); margin-top: .3rem; max-height: 0; opacity: 0; overflow: hidden; transition: max-height .45s var(--ease), opacity .45s var(--ease), margin .45s var(--ease); }
.sector:hover p { max-height: 80px; opacity: 1; }
.sector .tag { position: absolute; top: 1.4rem; left: 1.6rem; font-family: var(--font-display); font-size: .7rem; letter-spacing: .15em; text-transform: uppercase; opacity: .85; }

/* ----------------------------------------------------------------------- */
/* 10. CASOS DE ÉXITO                                                       */
/* ----------------------------------------------------------------------- */
.cases { display: grid; gap: 1.4rem; }
.case {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 0; overflow: hidden;
  border-radius: var(--radius-lg); background: var(--paper); border: 1px solid var(--line);
}
.case:nth-child(even) { grid-template-columns: 1fr 1.1fr; }
.case:nth-child(even) .case-media { order: 2; }
.case-media { position: relative; min-height: 380px; }
.case-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.case-media .pill { position: absolute; top: 1.4rem; left: 1.4rem; background: rgba(10,23,18,.6); backdrop-filter: blur(8px); color: #fff; padding: .4rem 1rem; border-radius: var(--radius-pill); font-size: .75rem; font-family: var(--font-display); letter-spacing: .04em; }
.case-body { padding: clamp(1.8rem, 4vw, 3rem); display: flex; flex-direction: column; justify-content: center; }
.case-body .client { font-family: var(--font-display); font-size: .8rem; letter-spacing: .15em; text-transform: uppercase; color: var(--copper); }
.case-body h3 { font-size: var(--step-2); margin: .6rem 0 1.2rem; }
.case-rows { display: grid; gap: .9rem; }
.case-row { display: grid; grid-template-columns: 110px 1fr; gap: 1rem; padding-bottom: .9rem; border-bottom: 1px solid var(--line); }
.case-row dt { font-family: var(--font-display); font-size: .78rem; letter-spacing: .04em; text-transform: uppercase; color: var(--slate); }
.case-row dd { font-size: .92rem; }
.case-result { margin-top: 1.4rem; display: flex; align-items: center; gap: 1.4rem; flex-wrap: wrap; }
.case-result .kpi { font-family: var(--font-display); font-size: var(--step-2); font-weight: 600; color: var(--forest); }
.case-result .kpi small { display: block; font-family: var(--font-body); font-size: .72rem; font-weight: 400; color: var(--slate); letter-spacing: .02em; }

/* ----------------------------------------------------------------------- */
/* 11. METODOLOGÍA (timeline)                                               */
/* ----------------------------------------------------------------------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; counter-reset: step; }
.step { position: relative; padding-top: 2.5rem; }
.step::before { counter-increment: step; content: "0" counter(step); position: absolute; top: 0; left: 0; font-family: var(--font-display); font-size: 1rem; color: var(--copper-300); font-weight: 600; }
.step::after { content: ""; position: absolute; top: .55rem; left: 2.4rem; right: -1.5rem; height: 1px; background: var(--line-dark); }
.step:last-child::after { display: none; }
.step h3 { font-size: var(--step-1); margin-bottom: .5rem; }
.step p { font-size: .9rem; color: rgba(246,243,236,.7); }

/* ----------------------------------------------------------------------- */
/* 12. EQUIPO                                                               */
/* ----------------------------------------------------------------------- */
.team { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.2rem; }
.member { border-radius: var(--radius); overflow: hidden; position: relative; background: var(--sand-200); aspect-ratio: 3/4; }
.member img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.2) contrast(1.02); transition: transform .6s var(--ease), filter .6s var(--ease); }
.member:hover img { transform: scale(1.05); filter: grayscale(0); }
.member-meta { position: absolute; inset: auto 0 0; padding: 1.2rem; background: linear-gradient(180deg, transparent, rgba(10,23,18,.92)); color: #fff; }
.member-meta strong { font-family: var(--font-display); font-size: 1.05rem; display: block; }
.member-meta span { font-size: .8rem; color: rgba(255,255,255,.75); }

/* ----------------------------------------------------------------------- */
/* 13. CTA FINAL                                                            */
/* ----------------------------------------------------------------------- */
.cta-final { position: relative; overflow: hidden; }
.cta-final .container { position: relative; z-index: 2; text-align: center; max-width: 880px; }
.cta-final h2 { font-size: var(--step-4); }
.cta-final p { font-size: var(--step-1); color: rgba(246,243,236,.78); margin: 1.2rem auto 2.2rem; max-width: 60ch; }
.cta-final .hero-cta { justify-content: center; }
.cta-glow { position: absolute; inset: 0; z-index: 1; background:
  radial-gradient(60% 60% at 50% 0%, rgba(79,140,126,.40), transparent 70%),
  radial-gradient(50% 50% at 80% 100%, rgba(210,233,165,.22), transparent 70%); }

/* ----------------------------------------------------------------------- */
/* 14. CONTACTO                                                             */
/* ----------------------------------------------------------------------- */
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 5vw, 5rem); }
.contact-info h2 { font-size: var(--step-3); margin: 1rem 0 1.2rem; }
.contact-list { display: grid; gap: 1.2rem; margin-top: 2rem; }
.contact-item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-item .ic { width: 44px; height: 44px; border-radius: 12px; background: var(--sand-200); color: var(--forest); display: grid; place-items: center; flex: none; }
.contact-item .ic svg { width: 20px; height: 20px; }
.contact-item strong { font-family: var(--font-display); font-size: .95rem; display: block; }
.contact-item span { color: var(--slate); font-size: .9rem; }
.contact-item a { color: var(--forest); text-decoration: none; }
.contact-item a:hover { text-decoration: underline; }
.map-embed { margin-top: 2rem; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.map-embed iframe { width: 100%; height: 320px; display: block; }

/* Vinculación — bloques */
.vinc-block { margin-top: clamp(2.6rem, 5vw, 4rem); }
.vinc-block:first-of-type { margin-top: 0; }
.vinc-block-head { display: flex; align-items: center; gap: .9rem; margin-bottom: 1.4rem; }
.vinc-block-head .ic { width: 46px; height: 46px; flex: none; border-radius: 12px; display: grid; place-items: center; background: var(--sand-200); color: var(--forest); }
.vinc-block-head .ic svg { width: 24px; height: 24px; }
.vinc-block-title { font-size: var(--step-2); }
.vinc-block-text { color: var(--slate); max-width: 72ch; }

/* Vinculación — cards de participaciones */
.part-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.part-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.part-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.part-media { position: relative; aspect-ratio: 16 / 10; background: var(--sand-200); }
.part-media img { width: 100%; height: 100%; object-fit: cover; }
.part-media .pill { position: absolute; top: 1rem; left: 1rem; background: rgba(10,23,18,.6); backdrop-filter: blur(8px); color: #fff; padding: .35rem .9rem; border-radius: var(--radius-pill); font-size: .72rem; font-family: var(--font-display); letter-spacing: .04em; }
.part-body { padding: 1.4rem; display: flex; flex-direction: column; flex: 1; }
.part-body h4 { font-family: var(--font-display); font-size: 1.05rem; }
.part-body p { margin-top: .5rem; color: var(--slate); font-size: .9rem; flex: 1; }
.part-card .more { margin-top: 1.1rem; display: inline-flex; align-items: center; gap: .4rem; font-family: var(--font-display); font-size: .85rem; font-weight: 500; color: var(--forest); }
.part-card .more svg { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.part-card .more:hover svg { transform: translateX(4px); }
.part-card.is-empty { align-items: center; justify-content: center; text-align: center; min-height: 200px; border-style: dashed; background: transparent; box-shadow: none; color: var(--slate); }
.part-card.is-empty span { font-family: var(--font-display); font-size: .9rem; letter-spacing: .04em; }

/* Galería dentro del modal de detalle */
.detail-gallery-title { font-family: var(--font-display); font-size: .95rem; color: var(--forest); margin: 1.6rem 0 .8rem; }
.detail-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; }
.detail-gallery img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 12px; }
.gtile { display: grid; place-items: center; aspect-ratio: 4 / 3; border: 1px dashed var(--line); border-radius: 12px; background: var(--sand); color: var(--slate); font-size: .72rem; text-align: center; padding: .4rem; }

/* Slider de logos (Colaboraciones) */
.logos-slider { position: relative; overflow: hidden; margin-top: 1.8rem; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.logos-track { display: flex; gap: 1rem; width: max-content; animation: logos-scroll 120s linear infinite; }
.logos-slider:hover .logos-track { animation-play-state: paused; }
.logo-chip { display: grid; place-items: center; min-width: 170px; height: 84px; padding: .8rem 1.4rem; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-sm); }
.logo-chip img { max-height: 56px; max-width: 140px; width: auto; height: auto; object-fit: contain; filter: grayscale(1); opacity: .8; transition: filter .3s var(--ease), opacity .3s var(--ease); }
.logo-chip:hover img { filter: grayscale(0); opacity: 1; }
@keyframes logos-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .logos-track { animation: none; flex-wrap: wrap; } }

/* Espacio reservado (Social) */
.reserved-space { margin-top: 1.4rem; padding: clamp(2rem, 6vw, 3.5rem); border: 1px dashed var(--line); border-radius: var(--radius); text-align: center; color: var(--slate); font-family: var(--font-display); font-size: .9rem; letter-spacing: .03em; background: rgba(46,95,87,.03); }

.form { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(1.6rem, 4vw, 2.6rem); box-shadow: var(--shadow-sm); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field { display: flex; flex-direction: column; gap: .4rem; }
.field.full { grid-column: 1 / -1; }
.field label { font-family: var(--font-display); font-size: .8rem; font-weight: 500; }
.field input, .field select, .field textarea {
  font: inherit; font-size: .92rem; padding: .85rem 1rem; border-radius: 12px;
  border: 1.5px solid var(--line); background: var(--sand); color: var(--ink);
  transition: border-color .25s var(--ease), background .25s var(--ease);
  width: 100%; min-width: 0; max-width: 100%;
}
.field { min-width: 0; }
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--pine); background: #fff; }
.form .btn { width: 100%; justify-content: center; margin-top: .4rem; }
.form-note { font-size: .76rem; color: var(--slate); margin-top: 1rem; text-align: center; }

/* ----------------------------------------------------------------------- */
/* 15. FOOTER                                                               */
/* ----------------------------------------------------------------------- */
.footer { background: var(--ink); color: rgba(246,243,236,.7); padding-block: var(--space-lg) 2rem; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2rem; padding-bottom: 3rem; border-bottom: 1px solid var(--line-dark); }
.footer .brand { color: #fff; margin-bottom: 1rem; }
.footer-col h4 { color: #fff; font-size: .85rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 1.1rem; }
.footer-col a { display: block; padding: .3rem 0; font-size: .9rem; transition: color .25s var(--ease); }
.footer-col a:hover { color: var(--copper-300); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; padding-top: 1.8rem; font-size: .8rem; }
.socials { display: flex; gap: .6rem; }
.socials a { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; box-shadow: inset 0 0 0 1px var(--line-dark); transition: background .25s var(--ease), color .25s var(--ease); }
.socials a:hover { background: var(--copper); color: #fff; }
.socials svg { width: 18px; height: 18px; }

/* ----------------------------------------------------------------------- */
/* 16. NOSOTROS (split)                                                     */
/* ----------------------------------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.split-media { position: relative; display: grid; gap: 1.6rem; }
.split-photo { position: relative; }
.split-media img { border-radius: var(--radius-lg); aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.split-media .float { position: absolute; bottom: -1.2rem; left: -1.2rem; background: var(--copper); color: #fff; border-radius: var(--radius); padding: 1.1rem 1.3rem; box-shadow: var(--shadow); max-width: 230px; }
.split-media .float--right { left: auto; right: -1.2rem; bottom: -1.2rem; background: var(--forest); }
.split-media .float .num { font-family: var(--font-display); font-size: 1.9rem; font-weight: 600; line-height: 1.05; letter-spacing: -.02em; white-space: nowrap; }
.split-media .float .lbl { font-size: .82rem; opacity: .9; }
.split-body h2 { font-size: var(--step-3); margin: 1rem 0 1.2rem; }
.split-body p { color: var(--slate); margin-bottom: 1rem; }
.split-sub { font-family: var(--font-display); font-size: var(--step-1); color: var(--forest); margin-top: 1.6rem; }
.split-list { display: grid; gap: .9rem; margin: 1.2rem 0 2rem; }
.split-list li { display: flex; gap: .8rem; align-items: flex-start; }
.split-list .check { width: 24px; height: 24px; border-radius: 50%; background: var(--forest); color: #fff; display: grid; place-items: center; flex: none; margin-top: 2px; }
.split-list .check svg { width: 14px; height: 14px; }
.split-list strong { font-family: var(--font-display); }

/* ----------------------------------------------------------------------- */
/* 17. REVEAL ANIMATIONS                                                    */
/* ----------------------------------------------------------------------- */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
[data-reveal][data-delay="4"] { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ----------------------------------------------------------------------- */
/* 18. RESPONSIVE                                                           */
/* ----------------------------------------------------------------------- */
@media (max-width: 1024px) {
  html { font-size: 87.5%; }
  .cards, .sectors, .team { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); }
  .step::after { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav-menu, .nav-actions .btn { display: none; }
  .burger { display: block; }
  .nav-actions { gap: .4rem; }

  /* Menú móvil */
  .nav-menu.is-mobile {
    display: flex; flex-direction: column; align-items: stretch; gap: .2rem;
    position: fixed; inset: 84px 0 0; background: var(--sand);
    padding: 1.5rem var(--gutter) 3rem; overflow-y: auto;
    transform: translateX(100%); transition: transform .45s var(--ease);
    z-index: 99;
  }
  body.menu-open .nav-menu.is-mobile { transform: none; }
  .nav-menu.is-mobile > li > a, .nav-menu.is-mobile .nav-trigger { width: 100%; padding: 1rem; font-size: 1.1rem; border-radius: 14px; }
  .nav-menu.is-mobile .mega { position: static; transform: none; width: 100%; box-shadow: none; border: 0; padding: .5rem 0 1rem; grid-template-columns: 1fr; opacity: 1; visibility: visible; pointer-events: auto; display: none; }
  .nav-menu.is-mobile .has-mega[aria-expanded="true"] .mega { display: grid; }
  .nav-menu.is-mobile .mega-feature { display: none; }
  .nav-menu.is-mobile .mega-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  html { font-size: 100%; }
  .part-grid { grid-template-columns: 1fr; }
  .case, .case:nth-child(even) { grid-template-columns: 1fr; }
  .case:nth-child(even) .case-media { order: 0; }
  .case-media { min-height: 240px; }
  .contact, .split { grid-template-columns: 1fr; }
  .split-media .float { left: 1rem; bottom: 1rem; max-width: 60%; }
  .split-media .float--right { right: 1rem; left: auto; }
  .form-grid { grid-template-columns: 1fr; }
  .hero-inner { padding-block: 7.5rem 5rem; }
}
@media (max-width: 480px) {
  .cards, .sectors, .team, .stats { grid-template-columns: 1fr; }
  .scroll-hint { display: none; }
  .brand .mark { height: 50px; }
  .nav { height: 74px; }
  .nav-menu.is-mobile { inset: 74px 0 0; }
}

/* ----------------------------------------------------------------------- */
/* 19. VIDEO DEL HERO — ajuste para tablets y teléfonos                     */
/* ----------------------------------------------------------------------- */
.hero-bg { background: var(--ink); }            /* evita destellos mientras carga el video */
.hero-bg video { object-position: center; }
.hero-bg video::-webkit-media-controls { display: none !important; }

@media (max-width: 860px) {
  /* En táctiles el video queda estático y centrado: cubre sin recortes raros */
  .hero-bg img, .hero-bg video { transform: scale(1.04); }
}
@media (max-width: 600px) {
  .hero { min-height: 90svh; }
  .hero-bg img, .hero-bg video { transform: none; }   /* evita zoom excesivo en pantallas angostas */
}
/* En orientación horizontal de teléfono, acota la altura para que se vea el contenido */
@media (max-height: 520px) and (orientation: landscape) {
  .hero { min-height: 120svh; }
  .hero-inner { padding-block: 6.5rem 3rem; }
}

/* ----------------------------------------------------------------------- */
/* 20. MODAL — detalle de servicios                                         */
/* ----------------------------------------------------------------------- */
.modal { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 1.5rem; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(10,23,18,.55); backdrop-filter: blur(4px); opacity: 0; transition: opacity .3s var(--ease); }
.modal.is-open .modal-backdrop { opacity: 1; }
.modal-dialog {
  position: relative; z-index: 1; width: min(680px, 100%); max-height: 85vh; overflow-y: auto;
  background: var(--paper); border-radius: var(--radius-lg); padding: clamp(1.8rem, 4vw, 2.8rem);
  box-shadow: var(--shadow-lg); border: 1px solid var(--line);
  transform: translateY(14px) scale(.98); opacity: 0;
  transition: transform .35s var(--ease), opacity .3s var(--ease);
}
.modal.is-open .modal-dialog { transform: none; opacity: 1; }
.modal-close { position: absolute; top: 1rem; right: 1rem; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--sand-200); color: var(--forest); transition: background .25s var(--ease), color .25s var(--ease); }
.modal-close:hover { background: var(--forest); color: #fff; }
.modal-close svg { width: 20px; height: 20px; }
.modal-title { font-size: var(--step-3); margin: .5rem 0 1rem; padding-right: 2.5rem; }
.modal-body p { color: var(--slate); font-size: .98rem; line-height: 1.7; }
.modal-body p + p { margin-top: 1rem; }
.modal-dialog .btn { margin-top: 1.8rem; }
body.modal-open { overflow: hidden; }
@media (prefers-reduced-motion: reduce) {
  .modal-backdrop, .modal-dialog { transition: none; }
}

/* ----------------------------------------------------------------------- */
/* 21. CARRUSEL DE EVENTOS (Participaciones)                                 */
/* ----------------------------------------------------------------------- */
.part-media { position: relative; }
.carousel { position: absolute; inset: 0; }
.part-media .pill { z-index: 4; }
.carousel-track {
  display: flex; width: 100%; height: 100%; overflow-x: auto; scroll-snap-type: x mandatory;
  scroll-behavior: smooth; -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-track img { min-width: 100%; width: 100%; height: 100%; object-fit: cover; object-position: center 55%; scroll-snap-align: center; flex: none; }
.car-btn {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255,255,255,.85); color: var(--ink); font-size: 1.3rem; line-height: 1;
  box-shadow: var(--shadow-sm); opacity: 0; transition: opacity .25s var(--ease), background .25s var(--ease);
}
.part-card:hover .car-btn { opacity: 1; }
.car-btn:hover { background: #fff; }
.car-prev { left: .5rem; }
.car-next { right: .5rem; }
@media (hover: none) { .car-btn { opacity: .9; } }

/* Colaboraciones — imagen de logos real */
.colab-logos { margin-top: 1.8rem; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1rem, 3vw, 2rem); box-shadow: var(--shadow-sm); }
.colab-logos img { width: 100%; height: auto; display: block; border-radius: 8px; }

/* ----------------------------------------------------------------------- */
/* 22. BOTÓN DE MÚSICA                                                       */
/* ----------------------------------------------------------------------- */
.music-toggle {
  position: fixed; right: 1.1rem; bottom: 1.1rem; z-index: 150;
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  background: var(--forest); color: #fff; box-shadow: var(--shadow);
  transition: transform .3s var(--ease), background .3s var(--ease);
}
.music-toggle:hover { transform: translateY(-3px); background: var(--forest-700); }
.music-toggle svg { width: 22px; height: 22px; }
.music-toggle .icon-on { display: none; }
.music-toggle.is-playing .icon-on { display: block; }
.music-toggle.is-playing .icon-off { display: none; }
.music-toggle.is-playing { background: var(--lime); color: var(--ink); }

/* ----------------------------------------------------------------------- */
/* 23. AJUSTES: hidden, grilla de logos, WhatsApp                            */
/* ----------------------------------------------------------------------- */
[hidden] { display: none !important; }

/* Nuestros clientes — panel completo (grilla fija) */
.logos-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; margin-top: 1.8rem; }
.logos-grid .logo-chip { width: 100%; }
.logos-grid .logo-chip img { filter: none; opacity: 1; }
@media (max-width: 900px) { .logos-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .logos-grid { grid-template-columns: repeat(2, 1fr); } }

/* Botón flotante de WhatsApp */
.whatsapp-fab {
  position: fixed; right: 1.1rem; bottom: 4.4rem; z-index: 150;
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
  background: #25D366; color: #fff; box-shadow: var(--shadow);
  transition: transform .3s var(--ease);
}
.whatsapp-fab:hover { transform: translateY(-3px) scale(1.05); }
.whatsapp-fab svg { width: 28px; height: 28px; }