/* =============================================
   CORTINAS & ROLLERS — Monochromatic Design System
   Based on SKILL.md — Premium Minimalist Aesthetic
   ============================================= */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ---------- CSS Variables ---------- */
:root {
  /* Colors — Monochromatic */
  --color-black: #1A1A1A;
  --color-charcoal: #333333;
  --color-dark-gray: #555555;
  --color-mid-gray: #888888;
  --color-light-gray: #CCCCCC;
  --color-pale-gray: #F5F5F5;
  --color-off-white: #FAFAFA;
  --color-white: #FFFFFF;
  --color-success: #2E7D32;
  --color-success-bg: #E8F5E9;
  --color-error: #C62828;
  --color-error-bg: #FFEBEE;

  /* Typography */
  --font-heading: 'Inter', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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;
  --space-5xl: 8rem;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows — very subtle */
  --shadow-none: none;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.08);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 700ms ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-dark-gray);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}
button { cursor: pointer; }

/* ---------- Utilities ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}
.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--color-black);
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}
.section-header p {
  font-size: 1rem;
  color: var(--color-mid-gray);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---------- Icon Container ---------- */
.icon-container {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-pale-gray);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
  flex-shrink: 0;
}
.icon-container svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-charcoal);
  stroke-width: 1.8;
  fill: none;
}

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  background: var(--color-charcoal);
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-full);
  border: none;
  transition: all var(--transition-base);
}
.btn-primary:hover {
  background: var(--color-black);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-primary.btn-lg {
  padding: 18px 42px;
  font-size: 1rem;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  background: transparent;
  color: var(--color-charcoal);
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}
.btn-secondary:hover {
  background: var(--color-charcoal);
  color: var(--color-white);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  border: 2px solid var(--color-charcoal);
  color: var(--color-charcoal);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}
.btn-outline:hover {
  background: var(--color-charcoal);
  color: var(--color-white);
}

/* ---------- HEADER ---------- */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 72px;
  display: flex;
  align-items: center;
  background: var(--color-white);
  transition: all var(--transition-base);
}
#header.scrolled {
  box-shadow: var(--shadow-sm);
}

#header nav {
  max-width: calc(1200px + 2 * var(--space-xl));
  margin: 0 auto;
  padding: 0 var(--space-xl);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: var(--space-3xl);
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--color-black);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-dark-gray);
  transition: color var(--transition-fast);
}
.nav-links a:hover { color: var(--color-black); }

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: 50%;
  transition: background var(--transition-fast);
}
.nav-icon:hover {
  background: var(--color-pale-gray);
}
.nav-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-dark-gray);
}

.nav-separator {
  width: 1px;
  height: 20px;
  background: var(--color-light-gray);
}

.nav-text-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-dark-gray);
  transition: color var(--transition-fast);
}
.nav-text-link:hover { color: var(--color-black); }

.nav-cta {
  padding: 10px 24px;
  background: var(--color-charcoal);
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}
.nav-cta:hover {
  background: var(--color-black);
}

/* ---------- HERO ---------- */
#hero {
  padding-top: 72px; /* clear fixed header */
  background: var(--color-white);
}

.hero-banner {
  position: relative;
  min-height: 560px;
  aspect-ratio: 21/10;
  display: flex;
  align-items: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: var(--space-md) var(--space-xl) var(--space-4xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.hero-slider {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.hero-slide.active {
  opacity: 1;
}
.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  image-rendering: high-quality;
}
.hero-slider::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(0,0,0,0.45) 0%, rgba(0,0,0,0.1) 60%, transparent 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: var(--space-2xl) var(--space-3xl);
  width: 100%;
}

.hero-inner {
  max-width: 520px;
}

.hero-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.hero-content h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

.hero-sub {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
  max-width: 440px;
}

.hero-stats {
  display: inline-flex;
  align-items: center;
  gap: 0;
  margin-top: var(--space-2xl);
}
.hero-stats .stat {
  padding: 0 var(--space-xl);
  text-align: center;
}
.hero-stats .stat:first-child { padding-left: 0; }
.hero-stats .stat:not(:last-child) {
  border-right: 1px solid rgba(255,255,255,0.2);
}
.hero-stats .stat strong {
  display: block;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
}
.hero-stats .stat span {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- TRUST BAR ---------- */
#trust-bar {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-pale-gray);
  border-bottom: 1px solid var(--color-pale-gray);
  background: var(--color-white);
}
.trust-logos {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-xl);
  opacity: 0.4;
}
.trust-logos span {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-charcoal);
  white-space: nowrap;
  transition: opacity var(--transition-base);
}
.trust-logos:hover { opacity: 0.7; }

/* ---------- VALUE PROPS ---------- */
#value-props {
  padding: var(--space-4xl) 0;
  background: var(--color-off-white);
}

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

.prop-card {
  background: var(--color-white);
  padding: var(--space-xl) var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-pale-gray);
  transition: all var(--transition-base);
}
.prop-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.prop-card .icon-container { margin-bottom: var(--space-md); }
.prop-card:hover .icon-container { background: #EBEBEB; }

.prop-card h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-xs);
}
.prop-card p {
  color: var(--color-mid-gray);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ---------- HOW IT WORKS ---------- */
#how-it-works {
  padding: var(--space-4xl) 0;
  background: var(--color-off-white);
}

.steps-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  position: relative;
}
.steps-timeline::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: var(--color-light-gray);
  z-index: 0;
}

.step-item {
  text-align: center;
  position: relative;
  z-index: 1;
}
.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  transition: all var(--transition-base);
}
.step-number svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-charcoal);
  stroke-width: 1.8;
  fill: none;
}
.step-item:hover .step-number {
  background: var(--color-charcoal);
  border-color: var(--color-charcoal);
}
.step-item:hover .step-number svg { stroke: var(--color-white); }

.step-item h3 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-xs);
}
.step-item p {
  font-size: 0.82rem;
  color: var(--color-mid-gray);
  line-height: 1.5;
}

/* ---------- GALLERY ---------- */
#gallery {
  padding: var(--space-4xl) 0;
  background: var(--color-white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}
.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
}
/* Card slider inside gallery */
.card-slider {
  position: relative;
}
.card-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.card-slide.active {
  opacity: 1;
}
.card-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 2;
}
.card-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.45);
  cursor: pointer;
  transition: all 0.3s ease;
}
.card-dot.active {
  background: rgba(255,255,255,0.95);
  transform: scale(1.2);
}

.gallery-label {
  text-align: center;
  margin-top: var(--space-md);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-black);
}

/* ---------- CATEGORIES ---------- */
#categories {
  padding: var(--space-2xl) 0 var(--space-3xl);
  background: var(--color-off-white);
}
#categories .section-header {
  margin-bottom: var(--space-xl);
}

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

.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-pale-gray);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  text-decoration: none;
  color: inherit;
}
.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.category-image {
  width: 100%;
  aspect-ratio: 16/10;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.category-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.category-card:hover .category-image img {
  transform: scale(1.05);
}

.category-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}
.category-placeholder svg {
  width: 48px;
  height: 48px;
  stroke: rgba(0,0,0,0.12);
  stroke-width: 1.5;
  fill: none;
}

.category-overlay {
  padding: var(--space-lg) var(--space-lg) var(--space-md);
}
.category-overlay h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}
.category-overlay p {
  font-size: 0.88rem;
  color: var(--color-mid-gray);
  line-height: 1.65;
  margin-bottom: var(--space-sm);
  text-align: justify;
}
.category-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.9rem;
  font-weight: 600;
  color: #E07832;
  transition: gap var(--transition-base);
}
.category-link svg {
  stroke: #E07832;
  transition: transform var(--transition-base);
}
.category-card:hover .category-link {
  gap: var(--space-sm);
}
.category-card:hover .category-link svg {
  transform: translateX(3px);
}

/* ---------- TESTIMONIALS ---------- */
#testimonials {
  padding: var(--space-4xl) 0;
  background: var(--color-white);
}

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

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  border: 1px solid var(--color-pale-gray);
  transition: all var(--transition-base);
}
.testimonial-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-md);
}
.testimonial-stars svg {
  width: 14px;
  height: 14px;
  fill: var(--color-charcoal);
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--color-dark-gray);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-pale-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-charcoal);
  font-weight: 600;
  font-size: 0.85rem;
}
.testimonial-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-black);
}
.testimonial-location {
  font-size: 0.8rem;
  color: var(--color-mid-gray);
}

/* ---------- FAQ ---------- */
#faq {
  padding: var(--space-4xl) 0;
  background: var(--color-off-white);
}

.faq-list {
  max-width: 750px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-pale-gray);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-black);
  font-size: 1rem;
  transition: color var(--transition-fast);
}
.faq-question:hover { color: var(--color-charcoal); }
.faq-question .faq-icon {
  font-size: 1.3rem;
  font-weight: 300;
  transition: transform var(--transition-base);
  color: var(--color-mid-gray);
}
.faq-item.active .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: var(--space-lg);
}
.faq-answer p {
  color: var(--color-mid-gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---------- CTA BANNER ---------- */
#cta-banner {
  padding: var(--space-4xl) 0;
  background: var(--color-off-white);
  text-align: center;
}
#cta-banner h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}
#cta-banner p {
  color: var(--color-mid-gray);
  font-size: 1rem;
  margin-bottom: var(--space-2xl);
}
#cta-banner .btn-primary {
  background: var(--color-charcoal);
  color: var(--color-white);
}
#cta-banner .btn-primary:hover {
  background: var(--color-black);
}

/* ---------- FOOTER ---------- */
footer {
  background: var(--color-charcoal);
  color: rgba(255,255,255,0.55);
  padding: var(--space-3xl) 0;
}
.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3xl);
}
.footer-col h4 {
  color: var(--color-white);
  font-weight: 600;
  margin-bottom: var(--space-xl);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.footer-col a {
  display: block;
  padding: 5px 0;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition-fast);
}
.footer-col a:hover { color: var(--color-white); }

.footer-newsletter p {
  font-size: 0.85rem;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  color: rgba(255,255,255,0.55);
}
.newsletter-form {
  display: flex;
  gap: 0;
}
.newsletter-form input {
  flex: 1;
  padding: 10px 16px;
  border: 1px solid rgba(255,255,255,0.2);
  border-right: none;
  border-radius: var(--radius-full) 0 0 var(--radius-full);
  background: transparent;
  color: var(--color-white);
  font-size: 0.85rem;
  outline: none;
  transition: border-color var(--transition-fast);
}
.newsletter-form input::placeholder {
  color: rgba(255,255,255,0.35);
}
.newsletter-form input:focus {
  border-color: rgba(255,255,255,0.5);
}
.newsletter-form button {
  padding: 10px 20px;
  background: var(--color-white);
  color: var(--color-charcoal);
  font-weight: 600;
  font-size: 0.82rem;
  border: 1px solid var(--color-white);
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}
.newsletter-form button:hover {
  background: var(--color-pale-gray);
}

/* ---------- WHATSAPP FLOATING ---------- */
#whatsapp-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.25);
  transition: all var(--transition-base);
  animation: pulse-green 2s infinite;
}
#whatsapp-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37,211,102,0.35);
}
#whatsapp-btn svg {
  width: 28px;
  height: 28px;
  fill: white;
}

/* =============================================
   WIZARD
   ============================================= */
.wizard-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(26,26,26,0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}
.wizard-overlay.active {
  opacity: 1;
  visibility: visible;
}

.wizard-container {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  width: 94%;
  max-width: 680px;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  transform: scale(0.96) translateY(16px);
  transition: transform var(--transition-base);
  overflow: hidden;
}
.wizard-overlay.active .wizard-container {
  transform: scale(1) translateY(0);
}

/* Wizard Header */
.wizard-header {
  padding: var(--space-sm) var(--space-xl);
  border-bottom: 1px solid var(--color-pale-gray);
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-shrink: 0;
}

.wizard-progress {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 3px;
}
.wizard-progress-step {
  flex: 1;
  height: 3px;
  border-radius: var(--radius-full);
  background: var(--color-pale-gray);
  transition: background var(--transition-base);
}
.wizard-progress-step.completed { background: var(--color-charcoal); }
.wizard-progress-step.active { background: var(--color-charcoal); }

.wizard-step-label {
  font-size: 0.75rem;
  color: var(--color-mid-gray);
  font-weight: 500;
  white-space: nowrap;
}

.wizard-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-mid-gray);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.wizard-close svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
}
.wizard-close:hover {
  background: var(--color-pale-gray);
  color: var(--color-black);
}

/* Wizard Body */
.wizard-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg) var(--space-2xl);
  position: relative;
}
.wizard-body::-webkit-scrollbar { width: 3px; }
.wizard-body::-webkit-scrollbar-thumb {
  background: var(--color-light-gray);
  border-radius: var(--radius-full);
}

.wizard-step {
  display: none;
  animation: fadeInUp 0.4s ease;
}
.wizard-step.active { display: block; }

.wizard-step > h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-black);
  margin-bottom: var(--space-sm);
  text-align: center;
}
.wizard-step > .step-subtitle {
  text-align: center;
  color: var(--color-mid-gray);
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
}

/* Wizard Footer */
.wizard-footer {
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--color-pale-gray);
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  flex-shrink: 0;
}
.wizard-footer .btn-secondary,
.wizard-footer .btn-primary {
  min-width: 140px;
}
.wizard-footer .btn-hidden { visibility: hidden; }

/* ---------- Product Cards ---------- */
.product-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.product-card {
  border: 1px solid var(--color-pale-gray);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.product-card:hover {
  border-color: var(--color-light-gray);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.product-card.selected {
  border: 2px solid var(--color-charcoal);
}
.product-card.selected::after {
  content: '';
  position: absolute;
  top: 12px;
  right: 12px;
  width: 24px;
  height: 24px;
  background: var(--color-charcoal);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: 14px;
  background-repeat: no-repeat;
  background-position: center;
}

.product-card .product-image-container {
  margin: calc(-1 * var(--space-lg)) calc(-1 * var(--space-lg)) var(--space-md) calc(-1 * var(--space-lg));
  height: 180px;
  border-radius: 0;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.product-card .product-image-container.gradient-cortina {
  background: linear-gradient(135deg, #E8E4DF 0%, #D5CFC7 100%);
}
.product-card .product-image-container.gradient-roller {
  background: linear-gradient(135deg, #E0E4E8 0%, #D0D4D8 100%);
}

.system-card .product-image-container {
  margin: calc(-1 * var(--space-lg)) calc(-1 * var(--space-lg)) var(--space-md) calc(-1 * var(--space-lg));
  height: 180px;
  border-radius: 0;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}
.system-card .product-image-container.gradient-argollas {
  background: linear-gradient(135deg, #E8E4DF 0%, #D5CFC7 100%);
}
.system-card .product-image-container.gradient-tradicional {
  background: linear-gradient(135deg, #E0E4E8 0%, #D0D4D8 100%);
}
.system-card:hover .product-image-container .zoom-icon {
  opacity: 1;
}

.fabric-card .product-image-container {
  margin: 0 auto var(--space-md);
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}
.fabric-card .product-image-container.gradient-blackout {
  background: linear-gradient(135deg, #3A3A3A 0%, #1A1A1A 100%);
}
.fabric-card .product-image-container.gradient-translucida {
  background: linear-gradient(135deg, #F0EDEA 0%, #E5E0DB 100%);
}
.fabric-card .product-image-container.gradient-decorativa {
  background: linear-gradient(135deg, #D5CFC7 0%, #B8B2AA 100%);
}
.fabric-card .product-image-container.gradient-screen {
  background: linear-gradient(135deg, #E0E4E8 0%, #D0D4D8 100%);
}
.fabric-card .product-image-container.gradient-sunscreen {
  background: linear-gradient(135deg, #F5F5F2 0%, #ECEAE5 100%);
}
.fabric-card:hover .product-image-container .zoom-icon {
  opacity: 1;
  transform: scale(1);
}
.fabric-card .product-image-container .zoom-icon {
  width: 32px;
  height: 32px;
}
.fabric-card .product-image-container .zoom-icon svg {
  width: 14px;
  height: 14px;
}

.product-image-container .zoom-icon {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 5;
  opacity: 0.7;
  transform: scale(1);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.product-image-container .zoom-icon:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.95);
  transform: scale(1.1);
}

.product-card:hover .product-image-container .zoom-icon {
  opacity: 1;
}

.zoom-icon svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-charcoal);
}

.product-card h3 {
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-xs);
}
.product-card .product-tagline {
  color: var(--color-mid-gray);
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
}
.product-card p:last-child {
  font-size: 0.85rem;
  color: var(--color-mid-gray);
  line-height: 1.5;
}

/* ---------- System Cards ---------- */
.system-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.system-card {
  border: 1px solid var(--color-pale-gray);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.system-card:hover {
  border-color: var(--color-light-gray);
  transform: translateY(-2px);
}
.system-card.selected {
  border: 2px solid var(--color-charcoal);
}
.system-card.selected::after {
  content: '';
  position: absolute;
  top: 12px;
  right: 12px;
  width: 24px;
  height: 24px;
  background: var(--color-charcoal);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: 14px;
  background-repeat: no-repeat;
  background-position: center;
}

.system-card h3 {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}
.system-card .system-desc {
  font-size: 0.85rem;
  color: var(--color-mid-gray);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}
.system-card .system-pros {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.system-card .system-pros span {
  font-size: 0.8rem;
  color: var(--color-success);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ---------- Fabric Cards ---------- */
.fabric-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: var(--space-md);
}

.fabric-card {
  border: 1px solid var(--color-pale-gray);
  border-radius: var(--radius-md);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
}
.fabric-card:hover {
  border-color: var(--color-light-gray);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.fabric-card.selected {
  border: 2px solid var(--color-charcoal);
}
.fabric-card.selected::after {
  content: '';
  position: absolute;
  top: 10px;
  right: 10px;
  width: 22px;
  height: 22px;
  background: var(--color-charcoal);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: 12px;
  background-repeat: no-repeat;
  background-position: center;
}

.fabric-card .fabric-icon {
  margin-bottom: var(--space-sm);
  display: flex;
  justify-content: center;
}
.fabric-card .fabric-icon .icon-container {
  width: 44px;
  height: 44px;
}
.fabric-card h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: 4px;
}
.fabric-card .fabric-desc {
  font-size: 0.8rem;
  color: var(--color-mid-gray);
  line-height: 1.4;
  margin-bottom: var(--space-sm);
}
.fabric-card .fabric-use {
  font-size: 0.72rem;
  color: var(--color-dark-gray);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ---------- Color Swatches ---------- */
.color-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  justify-content: center;
}

.color-swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  transition: transform var(--transition-base);
}
.color-swatch:hover { transform: scale(1.06); }

.swatch-circle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid var(--color-pale-gray);
  transition: all var(--transition-base);
  position: relative;
  box-shadow: var(--shadow-sm);
}
.color-swatch:hover .swatch-circle { border-color: var(--color-light-gray); }
.color-swatch.selected .swatch-circle {
  border-color: var(--color-charcoal);
  border-width: 3px;
}

/* Ambient Preview Row Under Colors */
.ambient-preview-row {
  width: 100%;
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
  padding: var(--space-sm) var(--space-md);
  margin-top: var(--space-sm);
  animation: fadeInDown 0.4s ease;
}

.ambient-title {
  text-align: center;
  font-family: var(--font-heading);
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  color: var(--color-charcoal);
  font-weight: 600;
}

.ambient-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.ambient-card {
  cursor: pointer;
  transition: all var(--transition-base);
}

.ambient-card:hover {
  transform: translateY(-2px);
}

.ambient-placeholder {
  width: 100%;
  height: 180px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.ambient-placeholder.gradient-ambient1 {
  background: linear-gradient(135deg, #d3cbb8 0%, #a69c8a 100%);
}

.ambient-placeholder.gradient-ambient2 {
  background: linear-gradient(135deg, #f2f2ef 0%, #d8d8d5 100%);
}

.ambient-card:hover .ambient-placeholder .zoom-icon {
  opacity: 1;
  transform: scale(1);
}

.ambient-placeholder .zoom-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--transition-fast);
}

.ambient-label {
  display: block;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-mid-gray);
  margin-top: var(--space-sm);
}

.color-swatch.selected .swatch-circle::after {
  content: '';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: 24px;
  background-repeat: no-repeat;
  background-position: center;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.3));
}

.swatch-name {
  font-size: 0.72rem;
  color: var(--color-mid-gray);
  text-align: center;
  max-width: 80px;
  line-height: 1.3;
}

/* ---------- Measurement Help Button ---------- */
.measurement-help-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  max-width: 450px;
  margin: 0 auto var(--space-xl);
  padding: 12px 20px;
  background: transparent;
  color: var(--color-charcoal);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
}
.measurement-help-btn svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-charcoal);
  flex-shrink: 0;
}
.measurement-help-btn:hover {
  background: var(--color-charcoal);
  color: var(--color-white);
  border-color: var(--color-charcoal);
}
.measurement-help-btn:hover svg {
  stroke: var(--color-white);
}

/* ---------- Measurement Form ---------- */
.measurement-form { max-width: 450px; margin: 0 auto; }

.measurement-guide {
  background: var(--color-pale-gray);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}
.measurement-guide .icon-container {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--color-white);
}
.measurement-guide .icon-container svg {
  width: 18px;
  height: 18px;
}
.measurement-guide p {
  font-size: 0.85rem;
  color: var(--color-dark-gray);
  line-height: 1.6;
}

.input-group {
  margin-bottom: var(--space-lg);
}
.input-group label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}
.input-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.input-row input {
  flex: 1;
  padding: 14px 16px;
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  font-size: 1.05rem;
  font-weight: 500;
  text-align: center;
  transition: border-color var(--transition-fast);
  background: var(--color-white);
}
.input-row input:focus { border-color: var(--color-charcoal); }
.input-row .unit {
  font-size: 0.85rem;
  color: var(--color-mid-gray);
  font-weight: 500;
}

.measurement-errors {
  color: var(--color-error);
  font-size: 0.82rem;
  margin-top: var(--space-sm);
}

.live-price {
  background: var(--color-charcoal);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  margin-top: var(--space-xl);
}
.live-price .price-label {
  color: rgba(255,255,255,0.5);
  font-size: 0.8rem;
  margin-bottom: 4px;
}
.live-price .price-value {
  color: var(--color-white);
  font-size: 1.8rem;
  font-weight: 700;
}

/* ---------- Preview Card ---------- */
.preview-card {
  background: var(--color-pale-gray);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  max-width: 500px;
  margin: 0 auto;
}

.preview-visual {
  width: 100%;
  height: 160px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.preview-curtain {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.preview-curtain svg {
  width: 40px;
  height: 40px;
  stroke: rgba(255,255,255,0.6);
  stroke-width: 1.5;
  fill: none;
}

.preview-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.preview-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.preview-row:last-child { border-bottom: none; }
.preview-label {
  font-size: 0.85rem;
  color: var(--color-mid-gray);
}
.preview-value {
  font-weight: 600;
  color: var(--color-black);
  font-size: 0.9rem;
}

.preview-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-sm);
  border-top: 2px solid var(--color-charcoal);
}
.preview-total .total-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-black);
}
.preview-total .total-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-black);
}

.preview-includes {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: var(--color-success-bg);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.preview-includes span {
  font-size: 0.8rem;
  color: var(--color-success);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ---------- Address Form ---------- */
.address-form {
  max-width: 480px;
  margin: 0 auto;
}
.address-form .input-group { margin-bottom: var(--space-lg); }
.address-form label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}
.address-form input,
.address-form select,
.address-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
  background: var(--color-white);
}
.address-form input:focus,
.address-form select:focus,
.address-form textarea:focus {
  border-color: var(--color-charcoal);
}
.address-form textarea { resize: vertical; min-height: 80px; }
.address-form select { appearance: none; cursor: pointer; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

/* ---------- Payment Section ---------- */
.payment-section { max-width: 480px; margin: 0 auto; }

.order-summary {
  background: var(--color-pale-gray);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
}
.order-summary h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-md);
}
.order-summary .summary-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.85rem;
  color: var(--color-mid-gray);
}
.order-summary .summary-total {
  display: flex;
  justify-content: space-between;
  padding-top: var(--space-md);
  margin-top: var(--space-sm);
  border-top: 2px solid var(--color-charcoal);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-black);
}

.payment-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}
.payment-methods h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}

.payment-method {
  border: 1px solid var(--color-pale-gray);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.payment-method:hover { border-color: var(--color-light-gray); }
.payment-method.selected {
  border: 2px solid var(--color-charcoal);
}
.payment-method .pm-icon {
  flex-shrink: 0;
}
.payment-method .pm-icon .icon-container {
  width: 40px;
  height: 40px;
}
.payment-method .pm-icon .icon-container svg {
  width: 18px;
  height: 18px;
}
.payment-method .pm-name {
  font-weight: 600;
  color: var(--color-black);
  font-size: 0.9rem;
}
.payment-method .pm-desc {
  font-size: 0.78rem;
  color: var(--color-mid-gray);
}

.terms-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}
.terms-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-charcoal);
  cursor: pointer;
  flex-shrink: 0;
}
.terms-check label {
  font-size: 0.82rem;
  color: var(--color-mid-gray);
  cursor: pointer;
}

/* ---------- Confirmation ---------- */
.confirmation-content {
  text-align: center;
  max-width: 450px;
  margin: 0 auto;
}

.confirmation-icon {
  margin-bottom: var(--space-md);
  display: flex;
  justify-content: center;
}
.confirmation-icon .icon-container {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--color-charcoal);
  animation: scaleIn 0.5s ease;
}
.confirmation-icon .icon-container svg {
  width: 32px;
  height: 32px;
  stroke: var(--color-white);
}

.confirmation-content h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}
.confirmation-content > p {
  color: var(--color-mid-gray);
  font-size: 0.9rem;
  margin-bottom: var(--space-xl);
}

.order-number {
  display: inline-block;
  padding: 10px 24px;
  background: var(--color-pale-gray);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-family: monospace;
  font-size: 1rem;
  color: var(--color-black);
  margin-bottom: var(--space-xl);
  letter-spacing: 0.05em;
}

.confirmation-summary {
  background: var(--color-pale-gray);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  text-align: left;
  margin-bottom: var(--space-xl);
}
.confirmation-summary .cs-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.85rem;
}
.confirmation-summary .cs-label { color: var(--color-mid-gray); }
.confirmation-summary .cs-value { font-weight: 600; color: var(--color-black); }

.whatsapp-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  background: #25D366;
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}
.whatsapp-cta:hover {
  transform: translateY(-1px);
  background: #20BD5A;
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-green {
  0%, 100% { box-shadow: 0 4px 16px rgba(37,211,102,0.25); }
  50% { box-shadow: 0 4px 24px rgba(37,211,102,0.4); }
}

@keyframes scaleIn {
  0% { transform: scale(0); }
  60% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: all var(--transition-slow);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .props-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .split-content { gap: var(--space-2xl); }
}

@media (max-width: 768px) {
  .container { padding: 0 var(--space-lg); }
  .nav-links { display: none; }
  .nav-separator { display: none; }

  .props-grid { grid-template-columns: 1fr; }
  .steps-timeline {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl) var(--space-md);
  }
  .steps-timeline::before { display: none; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: 1fr; }
  .split-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  /* Wizard mobile */
  .wizard-container {
    width: 100%;
    max-width: 100%;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
  }
  .wizard-body { padding: var(--space-xl) var(--space-md); }
  .product-cards,
  .system-cards { grid-template-columns: 1fr; }
  .fabric-cards { grid-template-columns: 1fr 1fr; }
  .swatch-circle { width: 50px; height: 50px; }
  .form-row { grid-template-columns: 1fr; }
  .wizard-footer {
    padding: var(--space-md);
  }
  .wizard-footer .btn-secondary,
  .wizard-footer .btn-primary {
    min-width: auto;
    flex: 1;
    padding: 12px 16px;
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .hero-content h1 { font-size: 2.2rem; }
  .hero-stats { flex-direction: column; gap: var(--space-md); }
  .hero-stats .stat { padding: var(--space-sm) 0; border-right: none !important; }
  .hero-stats .stat:not(:last-child) { border-bottom: 1px solid rgba(255,255,255,0.15); }
  .gallery-grid { grid-template-columns: 1fr; }
  .fabric-cards { grid-template-columns: 1fr; }
  .color-swatches { gap: var(--space-md); }
  .swatch-circle { width: 46px; height: 46px; }
}

/* ---------- LIGHTBOX ---------- */
.lightbox-modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(26, 26, 26, 0.8);
  backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}
.lightbox-modal.active {
  opacity: 1;
  visibility: visible;
}
.lightbox-close {
  position: absolute;
  top: var(--space-xl);
  right: var(--space-xl);
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-white);
  z-index: 10;
}
.lightbox-close svg {
  width: 32px;
  height: 32px;
  stroke: var(--color-white);
}
.lightbox-content {
  width: 90%;
  max-width: 600px;
  aspect-ratio: 1/1;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.lightbox-image-placeholder {
  width: 100%;
  height: 100%;
}
.lightbox-image-placeholder.gradient-cortina,
.lightbox-image-placeholder.gradient-argollas {
  background: linear-gradient(135deg, #E8E4DF 0%, #D5CFC7 100%);
}
.lightbox-image-placeholder.gradient-roller,
.lightbox-image-placeholder.gradient-tradicional {
  background: linear-gradient(135deg, #E0E4E8 0%, #D0D4D8 100%);
}

.lightbox-image-placeholder.gradient-blackout {
  background: linear-gradient(135deg, #3A3A3A 0%, #1A1A1A 100%);
}
.lightbox-image-placeholder.gradient-translucida {
  background: linear-gradient(135deg, #F0EDEA 0%, #E5E0DB 100%);
}
.lightbox-image-placeholder.gradient-decorativa {
  background: linear-gradient(135deg, #D5CFC7 0%, #B8B2AA 100%);
}
.lightbox-image-placeholder.gradient-screen {
  background: linear-gradient(135deg, #E0E4E8 0%, #D0D4D8 100%);
}
.lightbox-image-placeholder.gradient-sunscreen {
  background: linear-gradient(135deg, #F5F5F2 0%, #ECEAE5 100%);
}

/* ---------- MERCADO PAGO CHECKOUT ---------- */
.mp-checkout-section {
  text-align: center;
  margin-top: var(--space-xl);
}

.mp-pay-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 18px 32px;
  background: var(--color-charcoal);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
}
.mp-pay-btn svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-white);
  flex-shrink: 0;
}
.mp-pay-btn:hover:not(:disabled) {
  background: var(--color-black);
  transform: translateY(-1px);
}
.mp-pay-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.mp-pay-btn .spinner {
  animation: mp-spin 1s linear infinite;
}

@keyframes mp-spin {
  to { transform: rotate(360deg); }
}

.mp-secure-text {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: var(--space-md);
  font-size: 0.8rem;
  color: var(--color-mid-gray);
}
.mp-secure-text svg {
  flex-shrink: 0;
  stroke: var(--color-mid-gray);
}

.mp-error {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #FFF5F5;
  border: 1px solid var(--color-error);
  border-radius: var(--radius-md);
  color: var(--color-error);
  font-size: 0.88rem;
  text-align: center;
}

.mp-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--space-xl);
  padding: 10px 20px;
  background: transparent;
  color: var(--color-mid-gray);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}
.mp-back-btn:hover {
  color: var(--color-charcoal);
}
.mp-back-btn svg {
  stroke: currentColor;
}