/**
 * IDEM Logistics - Main Stylesheet
 * =================================
 */

@import url('variables.css');

/* ========================================
   RESET & BASE
   ======================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-relaxed);
  color: var(--color-gray-700);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary-700);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-500);
}

ul, ol {
  list-style: none;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  color: var(--color-gray-800);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-4);
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
}

h2 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
}

h3 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
}

h4 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
}

h5 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

h6 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

p {
  margin-bottom: var(--space-4);
}

.text-sm { font-size: var(--font-size-sm); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-center { text-align: center; }
.text-primary { color: var(--color-primary-700); }
.text-accent { color: var(--color-accent-500); }
.text-light { color: var(--color-gray-400); }
.text-white { color: var(--color-white); }

/* ========================================
   LAYOUT
   ======================================== */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-6);
  }
}

.section {
  padding: var(--space-16) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-20) 0;
  }
}

.section-light {
  background-color: var(--color-gray-50);
}

.section-dark {
  background-color: var(--color-primary-900);
  color: var(--color-white);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-white);
}

.section-gradient {
  background: linear-gradient(135deg, var(--color-primary-900) 0%, var(--color-primary-700) 100%);
  color: var(--color-white);
}

.section-gradient h1,
.section-gradient h2,
.section-gradient h3,
.section-gradient h4 {
  color: var(--color-white);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-12);
}

.section-header p {
  color: var(--color-gray-500);
  font-size: var(--font-size-lg);
}

/* ========================================
   GRID
   ======================================== */

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-form { grid-template-columns: 1.5fr 1fr; }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4,
  .grid-form {
    grid-template-columns: 1fr;
  }
}

/* Flexbox utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

.btn-primary {
  background-color: var(--color-primary-700);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-primary-900);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-cta {
  background-color: var(--color-accent-500);
  color: var(--color-white);
}

.btn-cta:hover {
  background-color: var(--color-accent-600);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-primary-700);
  color: var(--color-primary-700);
}

.btn-outline:hover {
  background-color: var(--color-primary-700);
  color: var(--color-white);
}

.btn-outline-light {
  background-color: transparent;
  border-color: var(--color-white);
  color: var(--color-white);
}

.btn-outline-light:hover {
  background-color: var(--color-white);
  color: var(--color-primary-900);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-primary-700);
}

.btn-ghost:hover {
  background-color: var(--color-primary-100);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

/* ========================================
   CARDS
   ======================================== */

.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card-service {
  border-top: 4px solid var(--color-primary-700);
  text-align: center;
}

.card-service .card-icon {
  font-size: 3rem;
  color: var(--color-primary-700);
  margin-bottom: var(--space-4);
}

.card-service h4 {
  margin-bottom: var(--space-3);
}

.card-service p {
  color: var(--color-gray-500);
  margin-bottom: var(--space-4);
}

.card-feature {
  border-left: 4px solid var(--color-accent-500);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.card-feature .card-icon {
  font-size: 2rem;
  color: var(--color-accent-500);
  flex-shrink: 0;
}

/* ========================================
   ICON LISTS
   ======================================== */

.icon-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.icon-list li {
  margin-bottom: var(--space-3);
  padding-left: var(--space-5);
  position: relative;
  line-height: 1.6;
}

.icon-list li:last-child {
  margin-bottom: 0;
}

.icon-list li i {
  position: absolute;
  left: 0;
  top: 2px; /* Ajuste vertical para alineación con texto */
  color: var(--color-success);
  font-size: 1rem;
}

.icon-list li i.ph-arrow-right {
  color: var(--color-primary-500);
}

.icon-list li i.ph-check-circle {
  color: var(--color-success);
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  transition: opacity 0.3s ease;
}

.logo:hover {
  opacity: 0.85;
}

.logo img {
  height: 40px;
  width: auto;
}

@media (max-width: 640px) {
  .logo img {
    height: 32px;
  }
}

.logo-text {
  font-family: var(--font-headings);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-900);
}

@media (max-width: 640px) {
  .logo-text {
    font-size: var(--font-size-lg);
  }
}

.logo-text span {
  color: var(--color-accent-500);
}

.nav {
  display: none;
}

@media (min-width: 1024px) {
  .nav {
    display: flex;
    align-items: center;
    gap: var(--space-8);
  }
}

.nav-link {
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  padding: var(--space-2) 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent-500);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary-700);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-cta {
  display: none;
}

@media (min-width: 1024px) {
  .header-cta {
    display: inline-flex;
  }
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-primary-900);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation */
.mobile-nav {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-white);
  padding: var(--space-6);
  z-index: var(--z-fixed);
}

.mobile-nav.active {
  display: block;
}

@media (min-width: 1024px) {
  .mobile-nav {
    display: none !important;
  }
}

.mobile-nav .nav-link {
  display: block;
  padding: var(--space-4) 0;
  font-size: var(--font-size-lg);
  border-bottom: 1px solid var(--color-gray-200);
}

.mobile-nav .btn {
  width: 100%;
  margin-top: var(--space-6);
}

/* ========================================
   HERO
   ======================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 64px;
  background: linear-gradient(135deg, rgba(15, 41, 64, 0.95) 0%, rgba(15, 41, 64, 0.85) 100%), url('/assets/images/landing_warehouse.webp');
  background-size: cover;
  background-position: left center;
  background-repeat: no-repeat;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    background-position: center;
  }
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.03)"/></svg>');
  background-size: 50px 50px;
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent-400);
  margin-bottom: var(--space-6);
}

.hero h1 {
  color: var(--color-white);
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: var(--font-size-5xl);
  }
}

@media (min-width: 1024px) {
  .hero h1 {
    font-size: var(--font-size-6xl);
  }
}

.hero p {
  color: var(--color-primary-100);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .hero p {
    font-size: var(--font-size-xl);
  }
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ========================================
   FEATURES / STATS
   ======================================== */

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  padding: var(--space-8) 0;
}

@media (min-width: 768px) {
  .stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-headings);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-700);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ========================================
   SERVICES
   ======================================== */

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

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ========================================
   WHY CHOOSE US
   ======================================== */

.features-list {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .features-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.feature-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary-100);
  color: var(--color-primary-700);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
}

.feature-content h5 {
  margin-bottom: var(--space-2);
}

.feature-content p {
  color: var(--color-gray-500);
  margin-bottom: 0;
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta-section {
  background: linear-gradient(135deg, var(--color-accent-500) 0%, var(--color-accent-600) 100%);
  padding: var(--space-16) 0;
}

.cta-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.cta-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-8);
}

.cta-content .btn {
  background-color: var(--color-white);
  color: var(--color-accent-600);
}

.cta-content .btn:hover {
  background-color: var(--color-gray-100);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  background-color: var(--color-primary-900);
  color: var(--color-gray-300);
  padding-top: var(--space-16);
}

.footer-grid {
  display: grid;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand .logo {
  margin-bottom: var(--space-4);
}

.footer-brand .logo-text {
  color: var(--color-white);
}

.footer-brand p {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
}

.footer-title {
  color: var(--color-white);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent-400);
}

.footer-contact li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  margin-bottom: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
}

.footer-contact i {
  color: var(--color-accent-500);
  margin-top: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-6) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-bottom p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.social-links {
  display: flex;
  gap: var(--space-4);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: var(--color-gray-300);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background-color: var(--color-accent-500);
  color: var(--color-white);
}

/* ========================================
   FORMS
   ======================================== */

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
}

.form-control {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

.form-control::placeholder {
  color: var(--color-gray-400);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%2394A3B8" stroke-width="2"><polyline points="6 9 12 15 18 9"/></svg>');
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 20px;
  padding-right: var(--space-10);
}

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--space-2);
}

.form-success {
  color: var(--color-success);
  font-size: var(--font-size-sm);
  margin-top: var(--space-2);
}

/* ========================================
   PAGE HEADER (Internal pages)
   ======================================== */

.page-header {
  background: linear-gradient(135deg, var(--color-primary-900) 0%, var(--color-primary-700) 100%);
  padding: calc(64px + var(--space-16)) 0 var(--space-16);
  text-align: center;
}

.page-header h1 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.page-header p {
  color: var(--color-primary-100);
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin: 0 auto;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  font-size: var(--font-size-sm);
}

.breadcrumb a {
  color: var(--color-primary-300);
}

.breadcrumb a:hover {
  color: var(--color-white);
}

.breadcrumb span {
  color: var(--color-gray-400);
}

/* ========================================
   UTILITIES
   ======================================== */

.mb-0 { margin-bottom: 0 !important; }
.mb-2 { margin-bottom: var(--space-2) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.mb-6 { margin-bottom: var(--space-6) !important; }
.mb-8 { margin-bottom: var(--space-8) !important; }
.mt-4 { margin-top: var(--space-4) !important; }
.mt-8 { margin-top: var(--space-8) !important; }

.pt-0 { padding-top: 0 !important; }
.pb-0 { padding-bottom: 0 !important; }

.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ========================================
   ANIMATIONS
   ======================================== */

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ========================================
   SPA NAVIGATION TRANSITIONS
   ======================================== */

main {
  transition: opacity 0.15s ease-in-out;
}

body.page-loading {
  cursor: wait;
}

body.page-loading main {
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  main {
    transition: none;
  }
}