/* ========================================================
   LINDAS ACCESORIOS — Landing Día de la Madre
   Design System & Styles
   ======================================================== */

/* --- Design Tokens --- */
:root {
  /* Brand Colors */
  --oro-700: #B08D37;
  --oro-500: #C9A84C;
  --oro-400: #DBBF6A;
  --oro-300: #E8D49B;
  --obsidiana: #2D2D2D;
  --negro: #1A1A1A;
  --gris-800: #3A3A3A;
  --gris-600: #6B6B6B;
  --gris-400: #9E9E9E;
  --gris-200: #E8E8E8;
  --marfil: #FDFAF5;
  --marfil-warm: #F8F4ED;
  --blanco: #FFFFFF;
  --rosa-700: #8B4557;
  --rosa-500: #B07D8A;
  --rosa-300: #D4AAB5;
  --rosa-100: #F3E5EA;

  /* WhatsApp */
  --wa-green: #25D366;
  --wa-green-dark: #1EBE57;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50%;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
  --shadow-gold: 0 4px 20px rgba(201,168,76,0.15);

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast: 200ms;
  --duration-normal: 350ms;
  --duration-slow: 600ms;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--marfil);
  color: var(--negro);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  background: none;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-padding {
  padding: var(--space-3xl) 0;
}

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

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

/* --- Section Headings --- */
.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--oro-500);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--negro);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: 1rem;
  color: var(--gris-600);
  max-width: 560px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
}

/* Gold decorative line */
.gold-line {
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--oro-500), var(--oro-300));
  margin: 0 auto var(--space-lg);
  border-radius: 2px;
}

/* ========================================================
   HEADER
   ======================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: var(--space-md) 0;
  transition: background var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.site-header.scrolled {
  background: rgba(253, 250, 245, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

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

.brand-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--negro);
  letter-spacing: 0.02em;
}

.brand-name span {
  color: var(--oro-500);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blanco);
  background: var(--wa-green);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.header-cta:hover {
  background: var(--wa-green-dark);
  transform: translateY(-1px);
}

.header-cta svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* ========================================================
   HERO
   ======================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-content {
  order: 2;
  text-align: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--oro-500);
  margin-bottom: var(--space-lg);
  padding: 0.4rem 1rem;
  border: 1px solid var(--oro-300);
  border-radius: var(--radius-full);
  background: rgba(201, 168, 76, 0.06);
}

.hero-eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--oro-500);
  border-radius: var(--radius-full);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--negro);
  margin-bottom: var(--space-lg);
}

.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--oro-700), var(--oro-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  font-weight: 500;
  color: var(--gris-800);
  margin-bottom: var(--space-sm);
  line-height: 1.5;
}

.hero-support {
  font-size: 0.9rem;
  color: var(--gris-600);
  font-style: italic;
  margin-bottom: var(--space-2xl);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
}

.hero-image-wrapper {
  order: 1;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  max-height: 520px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
}

.hero-image-wrapper::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(to top, rgba(253,250,245,0.3), transparent);
  pointer-events: none;
}

.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
}

/* ========================================================
   BUTTONS
   ======================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-sm);
  transition: all var(--duration-normal) var(--ease-out);
  text-align: center;
  line-height: 1.3;
}

.btn-wa {
  color: var(--blanco);
  background: var(--wa-green);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.btn-wa:hover {
  background: var(--wa-green-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
}

.btn-wa svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  flex-shrink: 0;
}

.btn-secondary {
  color: var(--negro);
  background: transparent;
  border: 1.5px solid var(--gris-200);
}

.btn-secondary:hover {
  border-color: var(--oro-500);
  color: var(--oro-700);
  background: rgba(201, 168, 76, 0.04);
}

.btn-gold {
  color: var(--blanco);
  background: linear-gradient(135deg, var(--oro-700), var(--oro-500));
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(201, 168, 76, 0.3);
}

.btn-sm {
  font-size: 0.8rem;
  padding: 0.6rem 1.2rem;
  font-weight: 600;
}

/* ========================================================
   TRUST BADGES
   ======================================================== */
.badges {
  background: var(--blanco);
  border-top: 1px solid var(--gris-200);
  border-bottom: 1px solid var(--gris-200);
  padding: var(--space-xl) 0;
}

.badges-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  text-align: center;
}

.badge-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.badge-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--oro-300), var(--oro-500));
  border-radius: var(--radius-full);
  color: var(--blanco);
  font-size: 1.1rem;
}

.badge-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gris-800);
  line-height: 1.4;
}

/* ========================================================
   PRODUCTS GRID
   ======================================================== */
.products {
  background: var(--marfil);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.product-card {
  background: var(--blanco);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
  cursor: pointer;
}

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

.product-image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--marfil-warm);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-info {
  padding: var(--space-md);
}

.product-code {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--oro-500);
  margin-bottom: var(--space-xs);
}

.product-name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--negro);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.product-cta {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--wa-green);
  background: rgba(37, 211, 102, 0.08);
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}

.product-cta:hover {
  background: var(--wa-green);
  color: var(--blanco);
}

.product-cta svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
  flex-shrink: 0;
}

/* ========================================================
   HOW IT WORKS
   ======================================================== */
.how-it-works {
  background: var(--blanco);
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  counter-reset: step;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  counter-increment: step;
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--oro-300), var(--oro-500));
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--blanco);
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--negro);
  margin-bottom: var(--space-xs);
}

.step-content p {
  font-size: 0.9rem;
  color: var(--gris-600);
  line-height: 1.6;
}

/* ========================================================
   FAQ ACCORDION
   ======================================================== */
.faq {
  background: var(--marfil);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--gris-200);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--negro);
  text-align: left;
  line-height: 1.4;
  transition: color var(--duration-fast);
}

.faq-question:hover {
  color: var(--oro-700);
}

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  position: relative;
  transition: transform var(--duration-normal) var(--ease-out);
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--oro-500);
  border-radius: 2px;
}

.faq-icon::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
  transition: transform var(--duration-normal) var(--ease-out);
}

.faq-item.active .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-normal) var(--ease-out),
              padding var(--duration-normal) var(--ease-out);
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding-bottom: var(--space-lg);
  font-size: 0.9rem;
  color: var(--gris-600);
  line-height: 1.7;
}

/* ========================================================
   STORY / ABOUT
   ======================================================== */
.story {
  background: var(--obsidiana);
  color: var(--blanco);
  position: relative;
  overflow: hidden;
}

.story::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.story .section-label {
  color: var(--oro-400);
}

.story .section-title {
  color: var(--blanco);
}

.story-text {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  max-width: 640px;
  margin: 0 auto var(--space-lg);
}

.story-location {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--oro-400);
  margin-bottom: var(--space-2xl);
}

.story-location svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* ========================================================
   CLOSING CTA
   ======================================================== */
.closing {
  background: linear-gradient(135deg, var(--marfil), var(--rosa-100));
  text-align: center;
  position: relative;
}

.closing-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 700;
  color: var(--negro);
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.closing-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--oro-700), var(--oro-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.closing-subtitle {
  font-size: 1rem;
  color: var(--gris-600);
  margin-bottom: var(--space-2xl);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ========================================================
   FOOTER
   ======================================================== */
.site-footer {
  background: var(--negro);
  color: rgba(255,255,255,0.5);
  padding: var(--space-xl) 0;
  text-align: center;
  font-size: 0.8rem;
}

.site-footer a {
  color: var(--oro-400);
  transition: color var(--duration-fast);
}

.site-footer a:hover {
  color: var(--oro-300);
}

/* ========================================================
   FLOATING WHATSAPP BUTTON
   ======================================================== */
.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  width: 60px;
  height: 60px;
  background: var(--wa-green);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
  animation: wa-bounce 3s ease-in-out infinite;
}

.wa-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
}

.wa-float svg {
  width: 28px;
  height: 28px;
  fill: var(--blanco);
}

/* Pulse ring */
.wa-float::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: var(--radius-full);
  border: 2px solid var(--wa-green);
  opacity: 0;
  animation: wa-pulse 3s ease-in-out infinite;
}

@keyframes wa-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes wa-pulse {
  0% { opacity: 0.6; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.4); }
}

/* ========================================================
   SCROLL REVEAL ANIMATIONS
   ======================================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger-children .reveal:nth-child(1) { transition-delay: 0ms; }
.stagger-children .reveal:nth-child(2) { transition-delay: 80ms; }
.stagger-children .reveal:nth-child(3) { transition-delay: 160ms; }
.stagger-children .reveal:nth-child(4) { transition-delay: 240ms; }
.stagger-children .reveal:nth-child(5) { transition-delay: 320ms; }
.stagger-children .reveal:nth-child(6) { transition-delay: 400ms; }
.stagger-children .reveal:nth-child(7) { transition-delay: 480ms; }
.stagger-children .reveal:nth-child(8) { transition-delay: 560ms; }
.stagger-children .reveal:nth-child(9) { transition-delay: 640ms; }
.stagger-children .reveal:nth-child(10) { transition-delay: 720ms; }
.stagger-children .reveal:nth-child(11) { transition-delay: 800ms; }
.stagger-children .reveal:nth-child(12) { transition-delay: 880ms; }

/* ========================================================
   RESPONSIVE — Tablet (≥ 640px)
   ======================================================== */
@media (min-width: 640px) {
  .badges-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-actions {
    flex-direction: row;
    justify-content: center;
  }
}

/* ========================================================
   RESPONSIVE — Desktop (≥ 1024px)
   ======================================================== */
@media (min-width: 1024px) {
  .section-padding {
    padding: var(--space-4xl) 0;
  }

  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
  }

  .hero-content {
    order: 1;
    text-align: left;
  }

  .hero-image-wrapper {
    order: 2;
    max-height: 600px;
  }

  .hero-actions {
    justify-content: flex-start;
  }

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

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

  .step-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* ========================================================
   PRINT — Hide non-essential elements
   ======================================================== */
@media print {
  .wa-float,
  .site-header,
  .header-cta {
    display: none !important;
  }
}