/* ============================================================
   Getalink · Alternativa a Unancor — Landing hi-fi
   Paleta marca: turquesa #00E8C1, navy #081D3F, indigo #4353FF
   ============================================================ */

:root {
  /* Brand */
  --turquoise: #00E8C1;
  --turquoise-2: #38D996;
  --turquoise-soft: rgba(0, 232, 193, 0.12);
  --navy: #081D3F;
  --navy-2: #112B5C;
  --indigo: #4353FF;
  --ink: #050D26;
  --ink-2: #475067;
  --ink-3: #7A839C;
  --line: #E3E6EE;
  --line-soft: #EEF0F6;
  --paper: #FFFFFF;
  --paper-2: #F4F4F4;
  --paper-3: #F8F9FC;

  /* Gradients */
  --grad-hero: linear-gradient(135deg, #081D3F 0%, #122A66 50%, #4353FF 130%);
  --grad-cta: linear-gradient(135deg, #081D3F 0%, #2A3DB8 60%, #4353FF 100%);

  /* Type */
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Inter', system-ui, -apple-system, sans-serif;

  /* Radii */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 20px;
  --r-2xl: 24px;
  --r-pill: 999px;

  /* Shadow */
  --sh-sm: 0 1px 2px rgba(8,29,63,0.06), 0 1px 3px rgba(8,29,63,0.04);
  --sh-md: 0 4px 12px rgba(8,29,63,0.06), 0 2px 4px rgba(8,29,63,0.04);
  --sh-lg: 0 12px 32px rgba(8,29,63,0.10), 0 4px 12px rgba(8,29,63,0.06);
  --sh-xl: 0 24px 60px rgba(8,29,63,0.14), 0 8px 20px rgba(8,29,63,0.08);
  --sh-glow: 0 0 0 1px rgba(0,232,193,0.4), 0 12px 36px rgba(0,232,193,0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

/* ============================================================
   Layout primitives
   ============================================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; position: relative; }
.section--tight { padding: 64px 0; }
.section--navy { background: var(--navy); color: rgba(255,255,255,0.92); }
.section--soft { background: var(--paper-2); }
.section--gradient {
  background: var(--grad-cta);
  color: var(--paper);
}

/* ============================================================
   Typography
   ============================================================ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  background: var(--turquoise-soft);
  color: #027361;
  border: 1px solid rgba(0,232,193,0.32);
}
.eyebrow--solid {
  background: var(--turquoise);
  color: #002A22;
  border-color: var(--turquoise);
}
.eyebrow--dark {
  background: rgba(255,255,255,0.08);
  color: var(--turquoise);
  border-color: rgba(0,232,193,0.28);
  backdrop-filter: blur(8px);
}
.eyebrow__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--turquoise-2);
  box-shadow: 0 0 0 4px rgba(56,217,150,0.18);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.1;
  font-weight: 700;
}
.section--navy h1, .section--navy h2, .section--navy h3,
.section--gradient h1, .section--gradient h2, .section--gradient h3 { color: var(--paper); }

.h1 { font-size: clamp(36px, 4.6vw, 60px); font-weight: 700; line-height: 1.05; letter-spacing: -0.025em; }
.h2 { font-size: clamp(30px, 3.4vw, 44px); font-weight: 700; letter-spacing: -0.022em; }
.h3 { font-size: clamp(20px, 1.6vw, 22px); font-weight: 600; letter-spacing: -0.015em; }
.lead {
  font-size: clamp(16px, 1.3vw, 18px);
  color: var(--ink-2);
  line-height: 1.55;
  max-width: 56ch;
}
.section--navy .lead, .section--gradient .lead { color: rgba(255,255,255,0.78); }

.text-mute { color: var(--ink-2); }
.text-tq { color: var(--turquoise-2); }

.accent-underline {
  background: linear-gradient(180deg, transparent 60%, rgba(0,232,193,0.45) 60%);
  padding: 0 2px;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: var(--r-md);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
  line-height: 1;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--turquoise);
  color: #00261F;
  box-shadow: 0 8px 24px rgba(0,232,193,0.32), 0 2px 6px rgba(0,232,193,0.18);
}
.btn--primary:hover {
  background: #00FAD0;
  box-shadow: 0 12px 32px rgba(0,232,193,0.42), 0 4px 10px rgba(0,232,193,0.24);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: var(--ink); background: var(--paper-3); }

.btn--ghost-dark {
  background: transparent;
  color: var(--paper);
  border-color: rgba(255,255,255,0.22);
}
.btn--ghost-dark:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.4); }

.btn--lg { padding: 18px 28px; font-size: 16px; border-radius: 14px; }
.btn--sm { padding: 10px 16px; font-size: 14px; }

/* ============================================================
   Header / Nav
   ============================================================ */
.header {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 18px 0;
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand__logo { height: 28px; width: auto; }
.brand__sub {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  padding-left: 12px;
  margin-left: 6px;
  border-left: 1px solid rgba(255,255,255,0.18);
}
.nav { display: flex; align-items: center; gap: 32px; }
.nav__links { display: flex; gap: 26px; align-items: center; }
.nav__link {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.78);
  transition: color .15s ease;
}
.nav__link:hover { color: var(--paper); }
.nav__actions { display: flex; gap: 10px; align-items: center; }
.nav__login {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  padding: 8px 12px;
}
.nav__login:hover { color: var(--paper); }

/* Burger */
.burger {
  display: none;
  width: 42px; height: 42px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.16);
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 60;
}
.burger__bars {
  position: relative;
  width: 18px; height: 12px;
}
.burger__bars::before, .burger__bars::after,
.burger__bars span {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: var(--paper);
  border-radius: 1px;
  transition: transform .25s ease, opacity .2s ease, top .25s ease;
}
.burger__bars::before { top: 0; }
.burger__bars span { top: 5px; }
.burger__bars::after { top: 10px; }

body.menu-open .burger__bars::before { top: 5px; transform: rotate(45deg); }
body.menu-open .burger__bars span { opacity: 0; }
body.menu-open .burger__bars::after { top: 5px; transform: rotate(-45deg); }

/* Mobile menu overlay */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--navy);
  z-index: 55;
  padding: 96px 28px 32px;
  flex-direction: column;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}
body.menu-open .mobile-menu { opacity: 1; pointer-events: auto; }
.mobile-menu__link {
  display: block;
  font-size: 22px;
  font-weight: 600;
  color: var(--paper);
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mobile-menu__actions {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  background: var(--grad-hero);
  color: var(--paper);
  padding: 140px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(closest-side, rgba(0,232,193,0.18), transparent 70%);
  filter: blur(20px);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -260px; left: -160px;
  width: 600px; height: 600px;
  background: radial-gradient(closest-side, rgba(67,83,255,0.28), transparent 70%);
  filter: blur(20px);
  pointer-events: none;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero__title { margin-top: 22px; }
.hero__lead { margin-top: 20px; color: rgba(255,255,255,0.78); }
.hero__ctas {
  margin-top: 32px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero__bullets {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.bullet {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: rgba(255,255,255,0.86);
}
.bullet__check {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--turquoise);
  color: #00261F;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.bullet__check svg { width: 12px; height: 12px; }
