/* ============================================
   ESTILOS PRINCIPALES - koVera
   ============================================ */

/* Reset y base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

/* Evitar overflow horizontal en todos los elementos */
* {
  max-width: 100%;
}

/* Elementos específicos que pueden causar overflow */
section, div, article, header, main, footer {
  overflow-x: hidden;
}

/* Permitir efectos hover en ofertas */
.offers-grid {
  overflow: visible;
}

/* iPhone XR específico - Evitar overflow horizontal */
@media (max-width: 414px) {
  * {
    max-width: 100% !important;
  }
  
  body {
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 414px !important;
  }
  
  .container {
    max-width: 414px !important;
    width: 100% !important;
    padding-left: 12px !important;
    padding-right: 12px !important;
  }
  
  .offers-grid {
    max-width: 100% !important;
    width: 100% !important;
  }
  
  .offer-card {
    max-width: 100% !important;
    width: 100% !important;
  }
  
  .hero-grid,
  .calculator-layout,
  .quote-box,
  .form-group,
  .form-input,
  .btn {
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  
  .form-input,
  .btn {
    width: 100% !important;
  }
  
  .topbar-inner {
    gap: var(--space-2) !important;
    padding-top: var(--space-2) !important;
    padding-bottom: var(--space-2) !important;
  }
  
  .topbar-logo img {
    height: 20px !important;
  }
  
  .nav {
    display: none !important;
  }
  
  .topbar-cta .btn {
    font-size: 10px !important;
    padding: 4px 8px !important;
  }
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: var(--font-normal);
  line-height: 1.6;
  color: var(--gray-900);
  background-color: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Contenedor principal */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
  box-sizing: border-box;
}

@media (min-width: 640px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
}

/* Secciones */
.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  overflow: visible;
}

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

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-bold);
  line-height: 1.2;
  margin-bottom: var(--space-2);
}

h1 {
  font-size: var(--font-size-4xl);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--font-size-3xl);
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--font-size-2xl);
}

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

p {
  margin-bottom: var(--space-3);
  color: var(--gray-700);
  line-height: 1.5;
}

ul, ol {
  margin-bottom: var(--space-3);
  padding-left: var(--space-5);
}

ul li, ol li {
  margin-bottom: var(--space-1);
  line-height: 1.5;
}

.text-muted {
  color: var(--gray-500);
  font-size: var(--font-size-sm);
}

/* Utilidades */
.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Grid responsive */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 {
  grid-template-columns: 1fr;
}

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

.grid-3 {
  grid-template-columns: 1fr;
}

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

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

.grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* Flex utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.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);
}

/* Animaciones */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn var(--transition-base) ease-out;
}

.animate-slide-down {
  animation: slideDown var(--transition-base) ease-out;
}

/* Transiciones suaves */
.transition {
  transition: all var(--transition-base);
}