/* ===========================================================
   SaldosOnline.com — hoja de estilos base
   Paleta: azul marino (confianza/corporativo) + teal (liquidez)
   =========================================================== */

:root {
  --navy-950: #071426;
  --navy-900: #0B1F3A;
  --navy-800: #10294B;
  --navy-700: #163561;
  --teal-600: #0D9488;
  --teal-500: #14B8A6;
  --teal-400: #2DD4BF;
  --gray-50:  #F7F9FC;
  --gray-100: #EEF2F7;
  --gray-200: #E2E8F0;
  --gray-400: #94A3B8;
  --gray-600: #52606D;
  --gray-700: #384454;
  --gray-900: #10192B;
  --white:    #FFFFFF;
  --danger:   #DC2626;
  --success:  #16A34A;

  --radius: 10px;
  --shadow-sm: 0 1px 2px rgba(11, 31, 58, 0.06);
  --shadow-md: 0 8px 24px rgba(11, 31, 58, 0.10);
  --shadow-lg: 0 20px 48px rgba(11, 31, 58, 0.16);
  --max-width: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; margin: 0 0 16px; color: var(--gray-900); }
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 16px; color: var(--gray-700); }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-600);
  background: rgba(20, 184, 166, 0.10);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section { padding: 88px 0; }
.section-alt { background: var(--gray-50); }
.section-dark { background: var(--navy-900); color: var(--white); }
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-dark p { color: rgba(255,255,255,0.72); }
.section-head { max-width: 680px; margin: 0 auto 56px; text-align: center; }
.section-head p { font-size: 1.05rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--teal-500); color: var(--navy-950); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--teal-400); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,0.35); color: var(--white); }
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.06); }
.btn-outline-navy { background: transparent; border-color: var(--navy-800); color: var(--navy-800); }
.btn-outline-navy:hover { background: var(--navy-900); color: var(--white); }
.btn-block { width: 100%; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--gray-200);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: var(--navy-900); }
.brand .mark {
  width: 36px; height: 36px; border-radius: 8px;
  background: linear-gradient(135deg, var(--navy-800), var(--teal-500));
  color: var(--white); display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem; font-weight: 800; letter-spacing: -0.02em;
}
.brand .domain { color: var(--teal-600); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-size: 0.92rem; font-weight: 600; color: var(--gray-700); }
.nav-links a:hover { color: var(--navy-900); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; }

/* Hero */
.hero {
  background: radial-gradient(1100px 500px at 85% -10%, rgba(20,184,166,0.18), transparent 60%), var(--navy-900);
  color: var(--white);
  padding: 96px 0 80px;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.hero h1 { color: var(--white); }
.hero .lede { font-size: 1.15rem; color: rgba(255,255,255,0.78); max-width: 540px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-trust { display: flex; gap: 28px; margin-top: 44px; flex-wrap: wrap; }
.hero-trust div { font-size: 0.82rem; color: rgba(255,255,255,0.6); }
.hero-trust strong { display: block; font-size: 1.5rem; color: var(--white); font-weight: 800; }

.hero-card {
  background: var(--navy-800);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow-lg);
}
.hero-card .row { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
.hero-card .row:last-child { border-bottom: none; }
.hero-card .label { font-size: 0.8rem; color: rgba(255,255,255,0.55); }
.hero-card .value { font-weight: 700; color: var(--white); }
.pill { font-size: 0.72rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; background: rgba(20,184,166,0.18); color: var(--teal-400); }

/* Stat cards */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 8px; }
.stat-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 26px 22px; box-shadow: var(--shadow-sm); }
.stat-card .big { font-size: 1.9rem; font-weight: 800; color: var(--navy-900); }
.stat-card .tag { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; padding: 3px 9px; border-radius: 999px; display: inline-block; margin-bottom: 10px; }
.tag-critico { background: rgba(220,38,38,0.10); color: var(--danger); }
.tag-elevado { background: rgba(217,119,6,0.12); color: #B45309; }
.tag-moderado { background: rgba(20,184,166,0.12); color: var(--teal-600); }
.tag-variable { background: var(--gray-100); color: var(--gray-600); }
.stat-card h4 { margin: 0 0 6px; font-size: 0.98rem; }
.stat-card p { font-size: 0.87rem; margin: 0; }

/* Feature / value cards */
.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 14px;
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .15s ease, transform .15s ease;
}
.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.feature-card .icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(20,184,166,0.10); color: var(--teal-600);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px; font-size: 1.25rem;
}

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step { position: relative; padding-top: 8px; }
.step::before {
  counter-increment: step; content: counter(step);
  width: 40px; height: 40px; border-radius: 999px;
  background: var(--navy-900); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; margin-bottom: 18px;
}

/* Category grid */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cat-card {
  border-radius: 14px; padding: 26px 22px; color: var(--white);
  min-height: 168px; display: flex; flex-direction: column; justify-content: flex-end;
  box-shadow: var(--shadow-sm);
}
.cat-card h4 { color: var(--white); margin-bottom: 6px; }
.cat-card p { color: rgba(255,255,255,0.82); font-size: 0.85rem; margin: 0; }
.cat-1 { background: linear-gradient(160deg, #0F2745, #163561); }
.cat-2 { background: linear-gradient(160deg, #0D9488, #0F766E); }
.cat-3 { background: linear-gradient(160deg, #163561, #0D9488); }
.cat-4 { background: linear-gradient(160deg, #0B1F3A, #10294B); }

/* Trust / compliance list */
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 0.96rem; color: var(--gray-700); }
.check-list .dot {
  flex-shrink: 0; width: 22px; height: 22px; border-radius: 999px;
  background: rgba(20,184,166,0.14); color: var(--teal-600);
  display: flex; align-items: center; justify-content: center; font-size: 0.8rem; margin-top: 2px;
}
.section-dark .check-list li { color: rgba(255,255,255,0.85); }
.section-dark .check-list li strong { color: var(--white); }
.section-dark .check-list .dot { background: rgba(20,184,166,0.22); color: var(--teal-400); }

/* Dual CTA (sellers / buyers) */
.dual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.dual-card {
  border-radius: 16px; padding: 40px 34px;
  border: 1px solid var(--gray-200);
  background: var(--white);
}
.dual-card.buyer { background: var(--navy-900); border-color: var(--navy-900); color: var(--white); }
.dual-card.buyer h3, .dual-card.buyer p { color: var(--white); }
.dual-card.buyer p { color: rgba(255,255,255,0.75); }
.dual-card .icon-lg { font-size: 2rem; margin-bottom: 14px; }
.dual-card ul { margin: 0 0 26px; padding-left: 20px; color: inherit; }
.dual-card li { margin-bottom: 8px; font-size: 0.92rem; }

/* Footer */
.site-footer { background: var(--navy-950); color: rgba(255,255,255,0.65); padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.site-footer h4 { color: var(--white); font-size: 0.9rem; margin-bottom: 16px; }
.site-footer a { display: block; font-size: 0.88rem; color: rgba(255,255,255,0.6); margin-bottom: 10px; }
.site-footer a:hover { color: var(--teal-400); }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--white); margin-bottom: 14px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 22px; font-size: 0.8rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

.whatsapp-fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  width: 56px; height: 56px; border-radius: 999px;
  background: #25D366; color: white; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px rgba(0,0,0,0.25); font-size: 1.6rem;
}

/* Forms */
.form-shell {
  max-width: 720px; margin: 0 auto;
  background: var(--white); border: 1px solid var(--gray-200); border-radius: 16px;
  padding: 40px; box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 20px; }
.field.full { grid-column: 1 / -1; }
.field label { display: block; font-size: 0.86rem; font-weight: 600; color: var(--gray-700); margin-bottom: 7px; }
.field .hint { font-size: 0.78rem; color: var(--gray-400); margin-top: 5px; }
input, select, textarea {
  width: 100%; padding: 12px 14px; font-size: 0.95rem;
  border: 1px solid var(--gray-200); border-radius: 8px; background: var(--gray-50);
  font-family: inherit; color: var(--gray-900);
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--teal-500); background: var(--white);
  box-shadow: 0 0 0 3px rgba(20,184,166,0.15);
}
textarea { resize: vertical; min-height: 100px; }
.hp-field { position: absolute; left: -9999px; opacity: 0; }
.form-note { font-size: 0.82rem; color: var(--gray-400); margin-top: 14px; text-align: center; }
.page-hero {
  background: var(--navy-900); color: var(--white); padding: 64px 0 56px; text-align: center;
}
.page-hero h1 { color: var(--white); }
.page-hero p { color: rgba(255,255,255,0.75); max-width: 600px; margin: 0 auto; }
.breadcrumb { font-size: 0.85rem; color: rgba(255,255,255,0.55); margin-bottom: 18px; }
.breadcrumb a { color: rgba(255,255,255,0.8); }

/* Success / thank you */
.success-box { max-width: 560px; margin: 0 auto; text-align: center; padding: 60px 0; }
.success-icon {
  width: 76px; height: 76px; border-radius: 999px; background: rgba(20,184,166,0.12);
  color: var(--teal-600); display: flex; align-items: center; justify-content: center;
  font-size: 2.2rem; margin: 0 auto 24px;
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .stat-grid, .card-grid, .card-grid.cols-3, .cat-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .dual-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 640px) {
  .section { padding: 60px 0; }
  .stat-grid, .card-grid, .card-grid.cols-3, .cat-grid, .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-trust { gap: 18px; }
  .form-shell { padding: 26px; }
}