/*
Theme Name: Gemell-IA
Theme URI: https://gemellia.tech
Author: Gemell-IA
Author URI: https://gemellia.tech
Description: Tema ejecutivo de una pagina para Gemell-IA: gemelo digital con inteligencia artificial para la industria alimentaria (molinos de trigo y maiz, pastas, extruidos, maquila y empaque). Incluye secciones de beneficios, capacidades de IA, industrias, plataforma y formulario de contacto.
Version: 1.0.2
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: gemell-ia
Tags: one-page, business, custom-logo, custom-colors, responsive-layout, featured-images, translation-ready
*/

:root {
  --navy-900: #071631;
  --navy-800: #0a1f45;
  --navy-700: #0f2f63;
  --navy-500: #1e4a93;
  --copper: #b98656;
  --copper-soft: #e3c19d;
  --teal: #56b7c6;
  --ink: #0f1b2d;
  --ink-soft: #3f536d;
  --slate: #7088a4;
  --line: rgba(92, 118, 147, 0.22);
  --bg: #f4f7fb;
  --white: #ffffff;
  --radius: 22px;
  --shadow-sm: 0 10px 30px rgba(9, 21, 43, 0.08);
  --shadow-md: 0 22px 60px rgba(9, 21, 43, 0.14);
  --maxw: 1200px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 96px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Manrope, "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; height: auto; display: block; }

a { color: var(--navy-700); text-decoration: none; }
a:hover { color: var(--copper); }

h1, h2, h3, h4 {
  font-family: Sora, Manrope, "Segoe UI", sans-serif;
  color: var(--ink);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2.2rem, 1.5rem + 2.3vw, 3.7rem); }
h2 { font-size: clamp(1.75rem, 1.25rem + 1.6vw, 2.6rem); }
h3 { font-size: clamp(1.08rem, 0.98rem + 0.4vw, 1.3rem); }

p { margin: 0 0 1.1em; }

.container { width: min(100% - 48px, var(--maxw)); margin-inline: auto; }

.kicker {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 14px;
}

.lead { font-size: 1.06rem; color: var(--ink-soft); max-width: 62ch; }

.section { padding: clamp(64px, 5vw, 110px) 0; }
.section-head { max-width: 760px; margin-bottom: 52px; }
.section-head.center { margin-inline: auto; text-align: center; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--copper), #d0a274); color: #1b1205; box-shadow: 0 14px 30px rgba(185, 134, 86, 0.32); }
.btn-primary:hover { color: #1b1205; box-shadow: 0 18px 38px rgba(185, 134, 86, 0.42); }
.btn-ghost { border-color: rgba(255, 255, 255, 0.35); color: #fff; }
.btn-ghost:hover { border-color: var(--copper-soft); color: var(--copper-soft); background: rgba(255, 255, 255, 0.06); }
.btn-dark { background: var(--navy-700); color: #fff; box-shadow: var(--shadow-sm); }
.btn-dark:hover { color: #fff; background: var(--navy-800); }

/* ---------------- header ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 22, 49, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand svg { width: 210px; }
.brand img { max-height: 52px; width: auto; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { color: rgba(255, 255, 255, 0.82); font-weight: 600; font-size: 0.96rem; }
.nav a:hover { color: var(--copper-soft); }
.nav .btn { padding: 11px 22px; font-size: 0.92rem; }
.nav-toggle { display: none; background: none; border: 1px solid rgba(255,255,255,.3); border-radius: 12px; padding: 9px 12px; cursor: pointer; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: #fff; margin: 4px 0; }

/* ---------------- hero ---------------- */
.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(1100px 620px at 78% 12%, rgba(185, 134, 86, 0.22), transparent 62%),
    radial-gradient(900px 600px at 6% 92%, rgba(86, 183, 198, 0.16), transparent 60%),
    linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 46%, var(--navy-700) 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 25%, transparent 78%);
  mask-image: radial-gradient(ellipse at 50% 30%, #000 25%, transparent 78%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; padding: clamp(70px, 7vw, 120px) 0; }
.hero h1 { color: #fff; }
.hero h1 .accent { color: var(--copper-soft); }
.hero p.lead { color: rgba(226, 235, 247, 0.9); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero-note { margin-top: 26px; font-size: 0.92rem; color: rgba(226, 235, 247, 0.65); }

.hero-panel {
  border-radius: 26px;
  border: 1px solid rgba(227, 193, 157, 0.28);
  background: linear-gradient(160deg, rgba(255,255,255,.1), rgba(255,255,255,.03));
  box-shadow: 0 30px 70px rgba(2, 8, 20, 0.45);
  padding: 26px;
}
.hero-panel h3 { color: #fff; font-size: 1.05rem; margin-bottom: 18px; }
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.flow-step { text-align: center; padding: 14px 8px; border-radius: 16px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); }
.flow-step span { display: block; font-size: 1.6rem; }
.flow-step small { display: block; margin-top: 6px; font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: rgba(226,235,247,.78); }
.hero-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 18px; }
.hero-kpi { padding: 16px; border-radius: 16px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.09); }
.hero-kpi b { display: block; font-family: Sora, sans-serif; font-size: 1.5rem; color: var(--copper-soft); }
.hero-kpi small { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.12em; color: rgba(226,235,247,.7); }

/* ---------------- generic blocks ---------------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card .icon { font-size: 2rem; line-height: 1; margin-bottom: 14px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--ink-soft); margin: 0; font-size: 0.96rem; }
.card .tag { display: inline-block; margin-top: 16px; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--copper); }

.section-dark {
  color: #fff;
  background:
    radial-gradient(900px 500px at 85% 10%, rgba(185,134,86,.18), transparent 60%),
    linear-gradient(135deg, var(--navy-900), var(--navy-700));
}
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark .lead { color: rgba(226, 235, 247, 0.85); }
.section-dark .card {
  background: linear-gradient(160deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  border-color: rgba(227,193,157,.24);
  box-shadow: none;
}
.section-dark .card p { color: rgba(226, 235, 247, 0.82); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }

.checklist { list-style: none; margin: 0; padding: 0; }
.checklist li { position: relative; padding-left: 36px; margin-bottom: 16px; color: var(--ink-soft); }
.checklist li::before {
  content: "";
  position: absolute; left: 0; top: 7px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--copper); box-shadow: 0 0 0 5px rgba(185,134,86,.18);
}
.section-dark .checklist li { color: rgba(226,235,247,.86); }

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step { position: relative; padding: 30px 26px; border-radius: var(--radius); background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: Sora, sans-serif; font-size: 2.6rem; font-weight: 800;
  color: transparent; -webkit-text-stroke: 1.5px rgba(185,134,86,.55);
  display: block; margin-bottom: 10px;
}

.industry { display: flex; gap: 18px; align-items: flex-start; }
.industry .emoji { font-size: 2.1rem; line-height: 1; }

.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 42px; }
.metric { padding: 26px; border-radius: var(--radius); background: rgba(255,255,255,.06); border: 1px solid rgba(227,193,157,.22); }
.metric b { display: block; font-family: Sora, sans-serif; font-size: 1.45rem; color: var(--copper-soft); margin-bottom: 6px; }
.metric span { font-size: 0.95rem; color: rgba(226,235,247,.82); }

.video-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(227,193,157,.28);
  box-shadow: 0 30px 70px rgba(2,8,20,.4);
  background: #05101f;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 24px;
}
.video-frame iframe, .video-frame video { width: 100%; height: 100%; border: 0; display: block; }
.video-frame .placeholder { color: rgba(226,235,247,.7); font-size: 0.95rem; max-width: 46ch; }

/* ---------------- contacto ---------------- */
.contact { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: start; }
.contact-card { padding: 32px; border-radius: var(--radius); background: rgba(255,255,255,.06); border: 1px solid rgba(227,193,157,.24); }
.contact-card h3 { font-size: 1.12rem; margin-bottom: 10px; }
.contact-card p { margin-bottom: 12px; }
.contact-card a {
  color: var(--copper-soft);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.45;
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
  word-break: normal;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(226,235,247,.72); }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.07);
  color: #fff;
  font: inherit;
  font-size: 0.98rem;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: rgba(226,235,247,.45); }
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid var(--copper); outline-offset: 1px; }
.form-hp { position: absolute; left: -9999px; opacity: 0; }
.form-note { font-size: 0.85rem; color: rgba(226,235,247,.6); margin-top: 14px; }
.alert { padding: 16px 20px; border-radius: 14px; margin-bottom: 22px; font-weight: 600; }
.alert-ok { background: rgba(14, 159, 110, 0.16); border: 1px solid rgba(14, 159, 110, 0.5); color: #b8f0d8; }
.alert-error { background: rgba(225, 29, 72, 0.14); border: 1px solid rgba(225, 29, 72, 0.45); color: #ffd4dc; }

/* ---------------- footer ---------------- */
.site-footer { background: var(--navy-900); color: rgba(226,235,247,.72); padding: 56px 0 30px; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.site-footer h4 { color: #fff; font-size: 0.86rem; letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 14px; }
.site-footer a { color: rgba(226,235,247,.78); display: block; margin-bottom: 8px; }
.site-footer a:hover { color: var(--copper-soft); }
.site-footer svg { width: 230px; margin-bottom: 16px; }
.footer-bottom { margin-top: 42px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.08); font-size: 0.85rem; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------------- entradas y paginas ---------------- */
.page-hero { padding: 64px 0 20px; background: var(--navy-800); color: #fff; }
.entry { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; margin-bottom: 26px; box-shadow: var(--shadow-sm); }
.entry-meta { font-size: 0.86rem; color: var(--slate); margin-bottom: 10px; }
.screen-reader-text { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(1px,1px,1px,1px); white-space: nowrap; }
.skip-link:focus { left: 16px; top: 12px; width: auto; height: auto; clip: auto; padding: 10px 16px; background: #fff; z-index: 100; border-radius: 10px; }

/* ---------------- animacion de entrada ---------------- */
/* El contenido es visible por defecto: solo se oculta cuando hay JavaScript activo,
   asi la pagina nunca queda en blanco si el script no carga. */
.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(.2,.8,.2,1); }
.js .reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------------- responsive ---------------- */
@media (max-width: 1080px) {
  .grid-4, .steps, .metric-row { grid-template-columns: repeat(2, 1fr); }
  .hero-inner, .split, .contact { grid-template-columns: 1fr; }
  .hero-panel { order: -1; }
}
@media (max-width: 860px) {
  .nav { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 6px; padding: 18px 24px 26px; background: rgba(7,22,49,.98); border-bottom: 1px solid rgba(255,255,255,.1); display: none; }
  .nav.open { display: flex; }
  .nav a { padding: 10px 0; }
  .nav-toggle { display: block; }
  .grid-3, .grid-2, .form-grid, .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .grid-4, .steps, .metric-row, .flow, .hero-kpis { grid-template-columns: 1fr 1fr; }
  .brand svg { width: 170px; }
}