/* ============================================
   PA PARTS — Design System & Styles
   Premium Mercedes-Benz Car Parts Landing Page
   ============================================ */

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

/* --- Custom Properties (Design Tokens) --- */
:root {
  /* Mercedes-inspired palette */
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #111118;
  --color-bg-card: rgba(20, 20, 30, 0.65);
  --color-bg-glass: rgba(255, 255, 255, 0.04);
  --color-bg-glass-hover: rgba(255, 255, 255, 0.08);

  --color-text-primary: #f0f0f5;
  --color-text-secondary: #a0a0b8;
  --color-text-muted: #6a6a82;

  /* Mercedes silver-chrome accent */
  --color-accent: #c0c0d0;
  --color-accent-bright: #e8e8f0;
  --color-accent-dim: #7a7a90;

  /* Premium blue highlights (Mercedes style) */
  --color-highlight: #4a8fff;
  --color-highlight-glow: rgba(74, 143, 255, 0.25);
  --color-highlight-subtle: rgba(74, 143, 255, 0.08);

  /* WhatsApp green */
  --color-whatsapp: #25d366;
  --color-whatsapp-hover: #20bd5a;
  --color-whatsapp-glow: rgba(37, 211, 102, 0.3);

  /* Telegram blue */
  --color-telegram: #0088cc;
  --color-telegram-hover: #0077b5;
  --color-telegram-glow: rgba(0, 136, 204, 0.3);

  /* Gradients */
  --gradient-hero: linear-gradient(
    180deg,
    rgba(10, 10, 15, 0.3) 0%,
    rgba(10, 10, 15, 0.6) 40%,
    rgba(10, 10, 15, 0.95) 100%
  );
  --gradient-silver: linear-gradient(135deg, #c0c0d0 0%, #8a8aa0 50%, #c0c0d0 100%);
  --gradient-card: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.06) 0%,
    rgba(255, 255, 255, 0.02) 100%
  );
  --gradient-glow: radial-gradient(
    ellipse at center,
    var(--color-highlight-glow) 0%,
    transparent 70%
  );

  /* Spacing scale */
  --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;

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;
  --text-6xl: 4.5rem;

  /* Borders & Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --border-subtle: 1px solid rgba(255, 255, 255, 0.06);
  --border-accent: 1px solid rgba(192, 192, 208, 0.15);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 60px rgba(74, 143, 255, 0.15);

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-base: 300ms var(--ease-out-expo);
  --transition-slow: 600ms var(--ease-out-expo);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

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

.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 Title System --- */
.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-highlight);
  margin-bottom: var(--space-md);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* ============================================
   HEADER / NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-lg) 0;
  transition: background var(--transition-base), padding var(--transition-base),
    backdrop-filter var(--transition-base);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  padding: var(--space-md) 0;
  border-bottom: var(--border-subtle);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.navbar-logo .logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--gradient-silver);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--text-sm);
  color: var(--color-bg-primary);
}

.navbar-logo .logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--color-text-primary);
  letter-spacing: 0.03em;
}

.navbar-logo .logo-text span {
  color: var(--color-accent-dim);
  font-weight: 400;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.navbar-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
  position: relative;
}

.navbar-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-silver);
  transition: width var(--transition-base);
}

.navbar-nav a:hover {
  color: var(--color-text-primary);
}

.navbar-nav a:hover::after {
  width: 100%;
}

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

.btn-lang {
  background: var(--color-bg-glass);
  border: var(--border-subtle);
  color: var(--color-text-secondary);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  letter-spacing: 0.05em;
}

.btn-lang:hover {
  background: var(--color-bg-glass-hover);
  color: var(--color-text-primary);
}

.btn-cta-nav {
  background: var(--gradient-silver);
  color: var(--color-bg-primary);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 700;
  font-family: var(--font-display);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  letter-spacing: 0.03em;
}

.btn-cta-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(192, 192, 208, 0.3);
}

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

.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-base);
  border-radius: 2px;
}

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

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

.navbar-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

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

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 45%;
  filter: brightness(0.45) contrast(1.1);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

/* Decorative glow */
.hero-glow {
  position: absolute;
  bottom: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: var(--gradient-glow);
  opacity: 0.4;
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding-top: var(--space-5xl);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-highlight-subtle);
  border: 1px solid rgba(74, 143, 255, 0.2);
  color: var(--color-highlight);
  padding: var(--space-xs) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-2xl);
}

.hero-badge .badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-highlight);
  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: var(--text-6xl);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: var(--space-xl);
  letter-spacing: -0.02em;
}

.hero-title .title-line {
  display: block;
}

.hero-title .title-accent {
  background: var(--gradient-silver);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-3xl);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-2xl);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: 700;
  font-family: var(--font-display);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  text-decoration: none;
}

.btn-hero-whatsapp {
  background: var(--color-whatsapp);
  color: #fff;
  box-shadow: 0 4px 20px var(--color-whatsapp-glow);
}

.btn-hero-whatsapp:hover {
  background: var(--color-whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--color-whatsapp-glow);
}

.btn-hero-telegram {
  background: var(--color-bg-glass);
  color: var(--color-text-primary);
  border: var(--border-accent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn-hero-telegram:hover {
  background: var(--color-bg-glass-hover);
  border-color: var(--color-telegram);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--color-telegram-glow);
}

.btn-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Hero stats ribbon */
.hero-stats {
  position: relative;
  z-index: 2;
  margin-top: var(--space-4xl);
  display: flex;
  gap: var(--space-3xl);
}

.hero-stat {
  text-align: left;
}

.hero-stat-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-text-primary);
}

.hero-stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* ============================================
   BRANDS STRIP
   ============================================ */
.brands-strip {
  padding: var(--space-4xl) 0;
  border-top: var(--border-subtle);
  border-bottom: var(--border-subtle);
  background: var(--color-bg-secondary);
}

.brands-strip .container {
  text-align: center;
}

.brands-strip-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
}

.brands-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4xl);
  flex-wrap: wrap;
}

.brand-logo {
  opacity: 0.4;
  transition: opacity var(--transition-base);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: 0.1em;
}

.brand-logo:hover {
  opacity: 0.9;
}

.brand-logo.primary {
  opacity: 0.7;
  font-size: var(--text-3xl);
}

.brand-logo.primary:hover {
  opacity: 1;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  padding: var(--space-5xl) 0;
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.about-image-wrapper img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  transition: transform var(--transition-slow);
}

.about-image-wrapper:hover img {
  transform: scale(1.03);
}

.about-image-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  border: var(--border-accent);
  z-index: 1;
  pointer-events: none;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.about-feature {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--gradient-card);
  border: var(--border-subtle);
  transition: all var(--transition-base);
}

.about-feature:hover {
  background: var(--color-bg-glass-hover);
  border-color: rgba(192, 192, 208, 0.15);
  transform: translateX(8px);
}

.about-feature-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-highlight-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
}

.about-feature-text h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  margin-bottom: var(--space-xs);
}

.about-feature-text p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ============================================
   CATEGORIES SECTION
   ============================================ */
.categories {
  padding: var(--space-5xl) 0;
  background: var(--color-bg-secondary);
  position: relative;
}

.categories::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: var(--gradient-glow);
  opacity: 0.15;
  pointer-events: none;
}

.categories-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.categories-header .section-subtitle {
  margin-inline: auto;
}

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

.category-card {
  background: var(--color-bg-card);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-silver);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.category-card:hover {
  transform: translateY(-6px);
  border-color: rgba(192, 192, 208, 0.2);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.category-card:hover::before {
  opacity: 1;
}

.category-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-highlight-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  margin-bottom: var(--space-xl);
}

.category-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.category-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.category-tag {
  font-size: var(--text-xs);
  color: var(--color-accent-dim);
  background: rgba(255, 255, 255, 0.04);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  border: var(--border-subtle);
}

/* ============================================
   SHOWCASE / GALLERY SECTION
   ============================================ */
.showcase {
  padding: var(--space-5xl) 0;
  position: relative;
}

.showcase-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.showcase-header .section-subtitle {
  margin-inline: auto;
}

.showcase-image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  max-height: 520px;
}

.showcase-image img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  border-radius: var(--radius-xl);
}

.showcase-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  border: var(--border-accent);
  pointer-events: none;
}

.showcase-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-3xl) var(--space-2xl);
  background: linear-gradient(transparent, rgba(10, 10, 15, 0.9));
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.showcase-overlay h3 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.showcase-overlay p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  max-width: 500px;
}

/* ============================================
   WHY US / BENEFITS SECTION
   ============================================ */
.benefits {
  padding: var(--space-5xl) 0;
  background: var(--color-bg-secondary);
}

.benefits-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.benefits-header .section-subtitle {
  margin-inline: auto;
}

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

.benefit-card {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  border-radius: var(--radius-xl);
  background: var(--gradient-card);
  border: var(--border-subtle);
  transition: all var(--transition-base);
}

.benefit-card:hover {
  transform: translateY(-4px);
  border-color: rgba(192, 192, 208, 0.15);
  background: var(--color-bg-glass-hover);
}

.benefit-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-highlight-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  margin: 0 auto var(--space-xl);
}

.benefit-card h4 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.benefit-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ============================================
   CTA / CONTACT SECTION
   ============================================ */
.cta {
  padding: var(--space-5xl) 0;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1000px;
  height: 500px;
  background: var(--gradient-glow);
  opacity: 0.2;
  pointer-events: none;
}

.cta-box {
  position: relative;
  z-index: 1;
  background: var(--color-bg-card);
  border: var(--border-accent);
  border-radius: var(--radius-xl);
  padding: var(--space-4xl);
  text-align: center;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.cta-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  margin-bottom: var(--space-lg);
  line-height: 1.15;
}

.cta-description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-3xl);
  border-radius: var(--radius-lg);
  font-size: var(--text-lg);
  font-weight: 700;
  font-family: var(--font-display);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  text-decoration: none;
}

.btn-cta-whatsapp {
  background: var(--color-whatsapp);
  color: #fff;
  box-shadow: 0 4px 20px var(--color-whatsapp-glow);
}

.btn-cta-whatsapp:hover {
  background: var(--color-whatsapp-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 40px var(--color-whatsapp-glow);
}

.btn-cta-telegram {
  background: var(--color-telegram);
  color: #fff;
  box-shadow: 0 4px 20px var(--color-telegram-glow);
}

.btn-cta-telegram:hover {
  background: var(--color-telegram-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 40px var(--color-telegram-glow);
}

.cta-contacts {
  margin-top: var(--space-3xl);
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  flex-wrap: wrap;
}

.cta-contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.cta-contact-item .contact-name {
  font-weight: 600;
  color: var(--color-text-secondary);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--space-3xl) 0;
  border-top: var(--border-subtle);
  background: var(--color-bg-secondary);
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-xl);
}

.footer-copy {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-base);
}

.footer-links a:hover {
  color: var(--color-text-primary);
}

/* ============================================
   FLOATING WHATSAPP BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-2xl);
  right: var(--space-2xl);
  z-index: 999;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px var(--color-whatsapp-glow);
  transition: all var(--transition-base);
  cursor: pointer;
  text-decoration: none;
  animation: float-pulse 3s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px var(--color-whatsapp-glow);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: #fff;
}

@keyframes float-pulse {
  0%, 100% { box-shadow: 0 4px 20px var(--color-whatsapp-glow); }
  50% { box-shadow: 0 4px 40px var(--color-whatsapp-glow), 0 0 0 8px rgba(37, 211, 102, 0.1); }
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

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

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

/* Scroll-driven animation (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
  @supports ((animation-timeline: view()) and (animation-range: entry)) {
    @keyframes fade-in-up {
      from {
        opacity: 0;
        transform: translateY(40px);
      }
    }

    .scroll-animate {
      animation: fade-in-up auto linear backwards;
      animation-timeline: view();
      animation-range: entry 0% entry 40%;
    }
  }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero-title {
    font-size: var(--text-5xl);
  }
}

@media (max-width: 768px) {
  .navbar-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-lg);
    border-bottom: var(--border-subtle);
  }

  .navbar-nav.open {
    display: flex;
  }

  .navbar-toggle {
    display: flex;
  }

  .btn-cta-nav {
    display: none;
  }

  .hero-title {
    font-size: var(--text-4xl);
  }

  .hero-description {
    font-size: var(--text-base);
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-xl);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

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

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

  .cta-box {
    padding: var(--space-2xl);
  }

  .cta-title {
    font-size: var(--text-3xl);
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .section-title {
    font-size: var(--text-3xl);
  }

  .brands-logos {
    gap: var(--space-2xl);
  }

  .footer .container {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding-inline: var(--space-lg);
  }

  .hero-title {
    font-size: var(--text-3xl);
  }

  .cta-contacts {
    flex-direction: column;
    align-items: center;
  }
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .whatsapp-float {
    animation: none;
  }

  .hero-badge .badge-dot {
    animation: none;
  }
}