/* ===========================================================
   Grupo Gread Cargo — Hoja de estilos principal
   =========================================================== */

:root {
  --navy: #0b2545;
  --navy-2: #13315c;
  --blue: #1d4e89;
  --blue-soft: #2a6fb5;
  --amber: #f59e0b;
  --amber-dark: #d97706;

  --ink: #0f172a;
  --muted: #5b6b82;
  --bg: #f6f8fc;
  --card: #ffffff;
  --line: #e4eaf2;
  --white: #ffffff;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 18px 45px -22px rgba(11, 37, 69, 0.45);
  --shadow-sm: 0 8px 24px -16px rgba(11, 37, 69, 0.4);
  --maxw: 1180px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 22px;
}

/* ---------- Tipografía ---------- */
h1, h2, h3 { line-height: 1.2; color: var(--navy); margin: 0 0 .5em; font-weight: 800; }
h1 { font-size: clamp(2rem, 4.6vw, 3.3rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); letter-spacing: -0.01em; }
h3 { font-size: 1.22rem; }
p { margin: 0 0 1rem; color: var(--muted); }

.eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--amber-dark);
  margin-bottom: 14px;
}

.section { padding: 84px 0; }
.section--tight { padding: 60px 0; }
.section-head { max-width: 720px; margin: 0 auto 50px; text-align: center; }
.section-head p { font-size: 1.05rem; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: .98rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--amber); color: #3a2400; box-shadow: 0 12px 26px -12px rgba(245, 158, 11, .8); }
.btn--primary:hover { background: var(--amber-dark); color: #fff; }
.btn--ghost { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.4); }
.btn--ghost:hover { background: rgba(255,255,255,.16); }
.btn--dark { background: var(--navy); color: #fff; }
.btn--dark:hover { background: var(--navy-2); }
.btn--block { width: 100%; justify-content: center; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; color: var(--navy); font-size: 1.12rem; }
.brand .logo-mark {
  width: 42px; height: 42px; border-radius: 11px;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  display: grid; place-items: center; color: #fff;
  box-shadow: var(--shadow-sm);
}
.brand small { display: block; font-size: .68rem; font-weight: 600; letter-spacing: .08em; color: var(--amber-dark); text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { font-weight: 600; color: var(--navy-2); font-size: .97rem; transition: color .15s; }
.nav-links a:hover, .nav-links a.active { color: var(--amber-dark); }
.nav-cta { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  width: 44px; height: 44px; border-radius: 10px;
}
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px auto; transition: .25s; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  color: #eaf1fb;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(42,111,181,.55), transparent 60%),
    radial-gradient(900px 500px at 0% 110%, rgba(245,158,11,.22), transparent 55%),
    linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: .5; pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 46px;
  align-items: center;
  padding: 88px 0 94px;
}
.hero h1 { color: #fff; margin-bottom: 18px; }
.hero p.lead { color: #c7d6ec; font-size: 1.15rem; max-width: 540px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust { margin-top: 34px; display: flex; gap: 26px; flex-wrap: wrap; color: #aebfd8; font-size: .9rem; }
.hero-trust b { color: #fff; }

.hero-card {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 22px;
  padding: 28px;
  backdrop-filter: blur(6px);
}
.hero-card h3 { color: #fff; }
.hero-card .mini-stats { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; margin-top: 18px; }
.hero-card .mini-stats div { background: rgba(255,255,255,.08); border-radius: 12px; padding: 16px; }
.hero-card .mini-stats b { display: block; font-size: 1.6rem; color: var(--amber); }
.hero-card .mini-stats span { font-size: .82rem; color: #c7d6ec; }

/* ---------- Franja de logos / modos ---------- */
.modes { background: var(--white); border-bottom: 1px solid var(--line); }
.modes-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 40px; padding: 26px 0; color: var(--navy-2); font-weight: 700; }
.modes-row span { display: inline-flex; align-items: center; gap: 10px; opacity: .85; }

/* ---------- Grid de servicios ---------- */
.grid { display: grid; gap: 22px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #cfe0f2; }
.card .ico {
  width: 54px; height: 54px; border-radius: 13px;
  background: linear-gradient(135deg, #eaf2fc, #dcebfb);
  color: var(--blue); display: grid; place-items: center; margin-bottom: 16px;
}
.card h3 { margin-bottom: 8px; }
.card p { margin-bottom: 0; font-size: .96rem; }
.card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; color: var(--amber-dark); font-weight: 700; font-size: .9rem; }

/* ---------- Franja de métricas ---------- */
.stats {
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: #fff;
}
.stats .grid--4 { gap: 10px; }
.stat { text-align: center; padding: 14px; }
.stat b { display: block; font-size: clamp(2rem, 4vw, 2.8rem); color: var(--amber); font-weight: 800; }
.stat span { color: #c7d6ec; font-size: .95rem; }

/* ---------- Por qué nosotros ---------- */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; }
.feature { display: flex; gap: 16px; margin-bottom: 22px; }
.feature .fico {
  flex: 0 0 46px; height: 46px; border-radius: 12px;
  background: #fff; border: 1px solid var(--line);
  display: grid; place-items: center; color: var(--amber-dark); box-shadow: var(--shadow-sm);
}
.feature h3 { font-size: 1.05rem; margin-bottom: 4px; }
.feature p { margin: 0; font-size: .95rem; }

.panel {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 20px; padding: 32px; box-shadow: var(--shadow);
}

/* ---------- Pasos / proceso ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.step { position: relative; padding-top: 10px; }
.step .num {
  width: 46px; height: 46px; border-radius: 12px;
  background: var(--amber); color: #3a2400; font-weight: 800;
  display: grid; place-items: center; margin-bottom: 14px; font-size: 1.1rem;
}
.step h3 { font-size: 1.05rem; }
.step p { font-size: .93rem; }

/* ---------- CTA ---------- */
.cta {
  background:
    radial-gradient(800px 400px at 90% 0%, rgba(245,158,11,.25), transparent 60%),
    linear-gradient(135deg, var(--navy-2), var(--navy));
  color: #fff; text-align: center; border-radius: 26px; padding: 60px 26px;
}
.cta h2 { color: #fff; }
.cta p { color: #c7d6ec; max-width: 560px; margin: 0 auto 26px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Page header (interior) ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--navy), var(--navy-2));
  color: #fff; padding: 72px 0 64px; text-align: center;
}
.page-hero h1 { color: #fff; }
.page-hero p { color: #c7d6ec; max-width: 620px; margin: 0 auto; font-size: 1.08rem; }
.breadcrumb { color: #9fb3d1; font-size: .85rem; margin-bottom: 14px; }
.breadcrumb a:hover { color: #fff; }

/* ---------- Contacto ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; }
.info-item { display: flex; gap: 16px; margin-bottom: 22px; }
.info-item .ico {
  flex: 0 0 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, var(--navy), var(--blue)); color: #fff;
  display: grid; place-items: center;
}
.info-item h3 { font-size: 1.02rem; margin-bottom: 2px; }
.info-item p { margin: 0; }
.info-item a { color: var(--blue); font-weight: 600; }

.form { display: grid; gap: 16px; }
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: .9rem; color: var(--navy-2); }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border: 1px solid var(--line);
  border-radius: 12px; font-family: inherit; font-size: .97rem; background: #fff; color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue-soft); box-shadow: 0 0 0 3px rgba(42,111,181,.15);
}
.field textarea { min-height: 120px; resize: vertical; }
.form-note { font-size: .82rem; color: var(--muted); }

/* ---------- Valores ---------- */
.value { text-align: center; padding: 10px; }
.value .vico {
  width: 60px; height: 60px; border-radius: 16px; margin: 0 auto 14px;
  background: linear-gradient(135deg, #eaf2fc, #dcebfb); color: var(--blue);
  display: grid; place-items: center;
}

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: #c7d6ec; padding: 60px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.site-footer h4 { color: #fff; font-size: 1rem; margin: 0 0 16px; }
.site-footer a { color: #c7d6ec; display: block; padding: 5px 0; font-size: .93rem; }
.site-footer a:hover { color: var(--amber); }
.site-footer .brand { color: #fff; margin-bottom: 14px; }
.site-footer .brand small { color: var(--amber); }
.footer-bottom {
  margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12);
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: .85rem; color: #91a6c6;
}

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  width: 60px; height: 60px; border-radius: 50%;
  background: #25d366; color: #fff; display: grid; place-items: center;
  box-shadow: 0 14px 30px -10px rgba(37,211,102,.7);
  transition: transform .15s ease;
}
.wa-float:hover { transform: scale(1.08); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .why-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-grid { padding: 64px 0 70px; }
  .grid--4 { grid-template-columns: repeat(2,1fr); }
  .grid--3 { grid-template-columns: repeat(2,1fr); }
  .steps { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }

  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: flex-start;
    gap: 0; padding: 10px 22px 18px; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-sm); display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--line); }
  .nav .nav-cta .btn--dark { display: none; }
}

@media (max-width: 560px) {
  .grid--4, .grid--3, .grid--2, .steps, .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .modes-row { gap: 22px; }
}