/* ==========================================================================
   DPF CHILE — MAIN & GLOBAL STYLES (LIGHT THEME: BLANCO, NEGRO Y ROJO)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:ital,wght@0,600;0,700;0,800;0,900;1,700&family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');
@import url('./tokens.css');
@import url('./animations.css');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  max-width: 100%;
}

html {
  box-sizing: border-box;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height, 70px) + 16px);
  font-size: 16px;
  background-color: var(--dpf-bg-main);
  color: var(--dpf-text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

body {
  width: 100%;
  max-width: 100vw;
  min-height: 100dvh;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  background-color: var(--dpf-bg-main);
  color: var(--dpf-text-secondary);
  line-height: 1.6;
  position: relative;
}

/* Background Subtle Automotive Pattern (No 100vw to prevent Android scroll expansion) */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 50% 0%, rgba(225, 6, 0, 0.04) 0%, transparent 50%),
    linear-gradient(#F1F5F9 1px, transparent 1px),
    linear-gradient(90deg, #F1F5F9 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px, 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* Typography Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--dpf-text-heading);
  text-transform: uppercase;
  word-break: break-word;
  overflow-wrap: break-word;
}

h1 { font-size: clamp(1.5rem, 5vw, 4.25rem); }
h2 { font-size: clamp(1.45rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.85rem); }
h4 { font-size: 1.1rem; }

p {
  color: var(--dpf-text-secondary);
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* Base Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
  position: relative;
  z-index: 1;
}

.container-narrow {
  max-width: var(--container-narrow);
}

/* Section Spacing */
.section {
  padding: var(--space-16) 0;
  position: relative;
  z-index: 1;
}

.section-darker, .section-alt {
  background-color: var(--dpf-bg-subtle);
  border-top: 1px solid var(--dpf-border);
  border-bottom: 1px solid var(--dpf-border);
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto var(--space-12);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--dpf-red-subtle);
  border: 1px solid rgba(225, 6, 0, 0.25);
  color: var(--dpf-red);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-3);
}

.section-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: var(--dpf-red);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--dpf-red);
}

.section-title {
  margin-bottom: var(--space-3);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--dpf-text-muted);
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

/* Mobile & Tablet Responsive Media Queries */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .section { padding: var(--space-12) 0; }
  .container { padding: 0 var(--space-6); }
}

@media (max-width: 768px) {
  .grid-4,
  .grid-3,
  .grid-2 {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: var(--space-5) !important;
    width: 100% !important;
  }
  .container {
    padding: 0 1rem !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .section { padding: var(--space-8) 0; }

  /* iOS Safe Form Controls — Prevents Auto-Zoom on Focus */
  .form-control, input, select, textarea {
    font-size: 16px !important;
    min-height: 44px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Safe Area Inset Support for Modern Notched Smartphones */
  body {
    padding-bottom: calc(76px + env(safe-area-inset-bottom, 0px));
  }
}

/* Compact Mobile Viewports (<= 380px) */
@media (max-width: 380px) {
  .container { padding: 0 0.75rem !important; }
  .btn { padding: 0.75rem 1rem; font-size: 0.9rem; }
}