/* ============================================
   CEMAES - Global Styles
   Palette inspirée du logo : Orange flamme, Rouge feu, Noir profond, Blanc pur
   ============================================ */

:root {
  /* Couleurs principales - Palette Feu Cemaes */
  --color-orange: #e85d04;
  --color-orange-light: #f77f00;
  --color-orange-dark: #d45500;
  --color-red: #c41e3a;
  --color-red-dark: #9d1730;
  --color-red-light: #dc3545;

  /* Primary = Orange (couleur dominante du logo) */
  --color-primary: #e85d04;
  --color-primary-dark: #d45500;
  --color-primary-light: #f77f00;

  /* Accent = Rouge (flamme intérieure) */
  --color-accent: #c41e3a;
  --color-accent-dark: #9d1730;
  --color-accent-light: #dc3545;

  /* Neutres */
  --color-black: #0d0d0d;
  --color-black-soft: #1a1a1a;
  --color-white: #ffffff;
  --color-cream: #faf8f5;
  --color-gray-light: #f5f3f0;
  --color-gray: #6b6b6b;
  --color-gray-dark: #2d2d2d;

  /* Dégradés feu */
  --gradient-fire: linear-gradient(135deg, var(--color-orange) 0%, var(--color-red) 100%);
  --gradient-fire-soft: linear-gradient(135deg, var(--color-orange-light) 0%, var(--color-orange) 100%);
  --gradient-ember: linear-gradient(180deg, var(--color-red) 0%, var(--color-orange-dark) 100%);

  --font-main: 'Montserrat', sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s ease-out;
  --shadow-soft: 0 4px 20px rgba(13, 13, 13, 0.08);
  --shadow-medium: 0 8px 30px rgba(13, 13, 13, 0.12);
  --shadow-fire: 0 8px 30px rgba(232, 93, 4, 0.25);
}

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

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

body {
  font-family: var(--font-main);
  color: var(--color-black);
  background-color: var(--color-cream);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

/* ============================================
   LANDING PAGE - Split Screen
   ============================================ */

.landing-page {
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.landing-header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  text-align: center;
  padding: 2rem;
  pointer-events: none;
}

.landing-logo {
  width: 280px;
  height: auto;
  filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.3));
  transition: var(--transition-smooth);
}

.tagline {
  color: var(--color-white);
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.75rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  opacity: 0.9;
}

.split-container {
  display: flex;
  flex: 1;
  width: 100%;
}

.split-section {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: pointer;
}

.split-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.split-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.split-section.left .split-overlay {
  background: linear-gradient(135deg, rgba(13, 13, 13, 0.88) 0%, rgba(13, 13, 13, 0.65) 100%);
}

.split-section.right .split-overlay {
  background: linear-gradient(225deg, rgba(232, 93, 4, 0.88) 0%, rgba(196, 30, 58, 0.7) 100%);
}

.split-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-white);
  padding: 2rem;
}

.split-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  opacity: 0.9;
}

.split-icon svg {
  width: 100%;
  height: 100%;
}

.split-content h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.split-content p {
  font-size: 1rem;
  font-weight: 300;
  opacity: 0.85;
  margin-bottom: 2rem;
}

.explore-btn {
  display: inline-block;
  padding: 0.875rem 2.5rem;
  border: 2px solid var(--color-white);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.explore-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--color-white);
  transition: var(--transition-smooth);
  z-index: -1;
}

.split-section:hover .explore-btn::before {
  left: 0;
}

.split-section:hover .explore-btn {
  color: var(--color-black);
}

.split-section.right:hover .explore-btn {
  color: var(--color-orange);
}

.landing-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem;
  text-align: center;
}

.contact-quick {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: 400;
  background: rgba(0, 0, 0, 0.3);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  backdrop-filter: blur(10px);
}

.contact-quick a {
  transition: var(--transition-smooth);
}

.contact-quick a:hover {
  color: var(--color-orange-light);
}

.separator {
  opacity: 0.5;
}

/* ============================================
   FLOATING CONTACT BUTTON - Landing Page
   ============================================ */

.floating-contact {
  position: fixed;
  top: 2rem;
  right: 2rem;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.5rem;
  background: var(--color-black);
  color: var(--color-white);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-decoration: none;
  overflow: hidden;
  transition: var(--transition-smooth);
  border: 2px solid transparent;
}

.floating-contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-fire);
  opacity: 0;
  transition: var(--transition-smooth);
  z-index: 0;
}

.floating-contact-icon {
  position: relative;
  z-index: 1;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.floating-contact-icon svg {
  width: 100%;
  height: 100%;
  color: var(--color-orange);
  transition: var(--transition-smooth);
}

.floating-contact-text {
  position: relative;
  z-index: 1;
}

/* Glow effect - pulsating fire ring */
.floating-contact-glow {
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 50px;
  background: var(--gradient-fire);
  z-index: -1;
  opacity: 0;
  animation: contact-glow 3s ease-in-out infinite;
}

@keyframes contact-glow {
  0%, 100% {
    opacity: 0;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.05);
  }
}

/* Hover state */
.floating-contact:hover {
  transform: translateY(-3px) scale(1.02);
  border-color: var(--color-orange);
  box-shadow:
    0 10px 40px rgba(232, 93, 4, 0.4),
    0 0 20px rgba(232, 93, 4, 0.2);
}

.floating-contact:hover::before {
  opacity: 1;
}

.floating-contact:hover .floating-contact-icon svg {
  color: var(--color-white);
  transform: rotate(-10deg) scale(1.1);
}

.floating-contact:hover .floating-contact-glow {
  animation: none;
  opacity: 0;
}

/* Entrance animation */
.floating-contact {
  animation: float-in 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.5s both;
}

@keyframes float-in {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Mobile responsive */
@media (max-width: 768px) {
  .floating-contact {
    top: 1rem;
    right: 1rem;
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
  }

  .floating-contact-icon {
    width: 18px;
    height: 18px;
  }
}

@media (max-width: 480px) {
  .floating-contact {
    padding: 0.75rem;
    border-radius: 50%;
  }

  .floating-contact-text {
    display: none;
  }

  .floating-contact-icon {
    width: 22px;
    height: 22px;
  }
}

/* ============================================
   INNER PAGES - Header & Navigation
   ============================================ */

.page-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
  border-bottom: 3px solid var(--color-orange);
}

.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

.header-logo img {
  height: 50px;
  width: auto;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-back {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray);
  transition: var(--transition-smooth);
}

.nav-back:hover {
  color: var(--color-orange);
}

.nav-back svg {
  width: 18px;
  height: 18px;
}

/* Section Switch Button - Intérieur/Extérieur Toggle */
.section-switch {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  border: 2px solid var(--color-black);
  background: var(--color-white);
  color: var(--color-black);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.section-switch::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-fire);
  transition: var(--transition-smooth);
  z-index: 0;
}

.section-switch span {
  position: relative;
  z-index: 1;
}

.section-switch svg {
  width: 16px;
  height: 16px;
  position: relative;
  z-index: 1;
  transition: var(--transition-smooth);
}

.section-switch:hover {
  border-color: var(--color-orange);
  color: var(--color-white);
  transform: scale(1.05);
  box-shadow: var(--shadow-fire);
}

.section-switch:hover::before {
  left: 0;
}

.section-switch:hover svg {
  transform: translateX(3px);
}

/* Pulse animation to draw attention */
.section-switch {
  animation: switch-pulse 2.5s ease-in-out infinite;
}

@keyframes switch-pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(232, 93, 4, 0.4);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(232, 93, 4, 0);
  }
}

.section-switch:hover {
  animation: none;
}

/* Section Switch Group (for pages with both options) */
.section-switch-group {
  display: flex;
  gap: 0.5rem;
}

.section-switch-group .section-switch {
  animation: none;
  font-size: 0.75rem;
  padding: 0.5rem 1rem;
}

.section-switch-group .section-switch:hover {
  animation: none;
}

.header-contact {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-white);
  background: var(--color-orange);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  transition: var(--transition-smooth);
}

.header-contact:hover {
  background: var(--color-red);
  transform: translateY(-2px);
  box-shadow: var(--shadow-fire);
}

.header-contact svg {
  width: 18px;
  height: 18px;
  color: var(--color-white);
}

/* Category Navigation */
.category-nav {
  background: var(--color-black);
  border-top: none;
}

.category-nav ul {
  display: flex;
  justify-content: center;
  gap: 0;
  list-style: none;
  max-width: 1400px;
  margin: 0 auto;
}

.category-nav li {
  position: relative;
}

.category-nav a {
  display: block;
  padding: 1rem 2.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition-smooth);
  position: relative;
}

.category-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--gradient-fire);
  transition: var(--transition-smooth);
}

.category-nav a:hover,
.category-nav a.active {
  color: var(--color-orange);
}

.category-nav a.active {
  color: var(--color-white);
  font-weight: 600;
}

.category-nav a:hover::after,
.category-nav a.active::after {
  width: 80%;
}

/* ============================================
   INNER PAGES - Content
   ============================================ */

.page-content {
  padding-top: 130px;
  min-height: 100vh;
}

/* Hero Section */
.hero-section {
  position: relative;
  height: 50vh;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(13, 13, 13, 0.75) 0%, rgba(13, 13, 13, 0.5) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-white);
  padding: 2rem;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  text-shadow: 2px 2px 20px rgba(0, 0, 0, 0.5);
}

.hero-content h1::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--gradient-fire);
  margin: 1rem auto 0;
  border-radius: 2px;
}

.hero-content p {
  font-size: 1.25rem;
  font-weight: 300;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

/* Intro Section */
.intro-section {
  padding: 5rem 3rem;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  background: var(--color-white);
}

.intro-section h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.intro-section h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-fire);
  border-radius: 2px;
}

.intro-section p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-gray-dark);
  margin-top: 1.5rem;
}

/* Product Categories Grid */
.categories-section {
  padding: 4rem 3rem;
  background: var(--color-gray-light);
}

/* Product Features (specific to product pages) */
.product-features {
  padding: 4rem 3rem;
  background: var(--color-white);
}

.product-features .features-grid {
  max-width: 1200px;
  margin: 0 auto;
}

.product-features .feature-item {
  background: var(--color-gray-light);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: var(--transition-smooth);
  border-bottom: 3px solid transparent;
}

.product-features .feature-item:hover {
  transform: translateY(-5px);
  border-bottom-color: var(--color-orange);
  box-shadow: var(--shadow-medium);
}

.product-features .feature-icon {
  color: var(--color-orange);
}

.product-features .feature-item h3 {
  color: var(--color-black);
  margin-bottom: 0.75rem;
}

.product-features .feature-item p {
  color: var(--color-gray-dark);
  opacity: 1;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.category-card {
  position: relative;
  background: var(--color-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-smooth);
  border-bottom: 4px solid transparent;
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-fire);
  border-bottom-color: var(--color-orange);
}

.category-card-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.category-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-card:hover .category-card-image img {
  transform: scale(1.08);
}

.category-card-content {
  padding: 1.5rem;
}

.category-card-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-black);
}

.category-card-content p {
  font-size: 0.9rem;
  color: var(--color-gray);
  line-height: 1.6;
}

.category-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-orange);
  transition: var(--transition-smooth);
}

.category-card:hover .category-card-link {
  color: var(--color-red);
  gap: 0.75rem;
}

.category-card-link svg {
  width: 16px;
  height: 16px;
  transition: var(--transition-fast);
}

.category-card:hover .category-card-link svg {
  transform: translateX(4px);
}

/* Brands Section */
.brands-section {
  padding: 5rem 3rem;
  text-align: center;
  background: var(--color-white);
}

.brands-section h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 3rem;
  color: var(--color-black);
  position: relative;
  display: inline-block;
}

.brands-section h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: var(--gradient-fire);
  border-radius: 2px;
}

.brands-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.brand-logo {
  width: 120px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: var(--transition-smooth);
}

.brand-logo:hover {
  filter: grayscale(0%);
  opacity: 1;
}

.brand-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* Features Section */
.features-section {
  padding: 5rem 3rem;
  background: var(--color-black);
  color: var(--color-white);
  position: relative;
}

.features-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-fire);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-item {
  text-align: center;
  padding: 2rem;
}

.feature-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1.5rem;
  color: var(--color-orange);
  transition: var(--transition-smooth);
}

.feature-item:hover .feature-icon {
  color: var(--color-orange-light);
  transform: scale(1.1);
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature-item h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.feature-item p {
  font-size: 0.9rem;
  opacity: 0.7;
  line-height: 1.6;
}

/* CTA Section */
.cta-section {
  padding: 5rem 3rem;
  text-align: center;
  background: var(--gradient-fire);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
  animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.1); }
}

.cta-section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  position: relative;
}

.cta-section p {
  font-size: 1.1rem;
  opacity: 0.95;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.cta-button {
  display: inline-block;
  padding: 1rem 3rem;
  background: var(--color-white);
  color: var(--color-orange);
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 50px;
  transition: var(--transition-smooth);
  position: relative;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
  background: var(--color-black);
  color: var(--color-white);
}

/* ============================================
   CONTACT PAGE
   ============================================ */

.contact-section {
  padding: 5rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--color-black);
  position: relative;
  display: inline-block;
}

.contact-info h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--gradient-fire);
  border-radius: 2px;
}

.contact-details {
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-item svg {
  width: 24px;
  height: 24px;
  color: var(--color-orange);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.contact-item h4 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
  color: var(--color-gray);
}

.contact-item p,
.contact-item a {
  font-size: 1rem;
  color: var(--color-black);
}

.contact-item a:hover {
  color: var(--color-orange);
}

/* Contact Form */
.contact-form h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-gray-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-main);
  font-size: 1rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(232, 93, 4, 0.15);
}

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

.submit-btn {
  display: inline-block;
  padding: 1rem 3rem;
  background: var(--gradient-fire);
  color: var(--color-white);
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 700;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.submit-btn:hover {
  background: var(--color-black);
  transform: translateY(-3px);
  box-shadow: var(--shadow-fire);
}

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

.page-footer {
  background: var(--color-black);
  color: var(--color-white);
  padding: 4rem 3rem 2rem;
  position: relative;
}

.page-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-fire);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand img {
  height: 60px;
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.9rem;
  opacity: 0.7;
  line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  color: var(--color-orange);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  font-size: 0.9rem;
  opacity: 0.7;
  transition: var(--transition-smooth);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--color-orange);
}

.footer-contact p {
  font-size: 0.9rem;
  opacity: 0.7;
  margin-bottom: 0.5rem;
}

.footer-contact a {
  opacity: 0.7;
  transition: var(--transition-smooth);
}

.footer-contact a:hover {
  opacity: 1;
  color: var(--color-orange);
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.footer-bottom p {
  font-size: 0.8rem;
  opacity: 0.5;
}

/* ============================================
   SELECTION & SCROLLBAR
   ============================================ */

::selection {
  background: var(--color-orange);
  color: var(--color-white);
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-gray-light);
}

::-webkit-scrollbar-thumb {
  background: var(--color-gray);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-orange);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .split-container {
    flex-direction: column;
  }

  .split-section {
    min-height: 50vh;
  }

  .split-section:hover {
    flex: 1;
  }

  .split-content h2 {
    font-size: 2rem;
  }

  .landing-header {
    padding: 1.5rem;
  }

  .landing-logo {
    width: 100px;
  }

  .tagline {
    font-size: 0.7rem;
  }

  .header-main {
    padding: 1rem 1.5rem;
  }

  .header-nav {
    gap: 1rem;
  }

  .category-nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }

  .category-nav a {
    padding: 0.75rem 1.25rem;
    font-size: 0.8rem;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .intro-section,
  .categories-section,
  .brands-section,
  .features-section,
  .cta-section,
  .contact-section {
    padding: 3rem 1.5rem;
  }

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

@media (max-width: 768px) {
  .section-switch {
    font-size: 0.7rem;
    padding: 0.5rem 0.8rem;
    letter-spacing: 0.05em;
  }

  .section-switch svg {
    width: 14px;
    height: 14px;
  }

  .section-switch-group {
    gap: 0.3rem;
  }

  .section-switch-group .section-switch {
    font-size: 0.65rem;
    padding: 0.4rem 0.6rem;
  }
}

@media (max-width: 480px) {
  .split-icon {
    width: 60px;
    height: 60px;
  }

  .split-content h2 {
    font-size: 1.75rem;
  }

  .explore-btn {
    padding: 0.75rem 2rem;
    font-size: 0.8rem;
  }

  .contact-quick {
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
  }

  .header-contact span {
    display: none;
  }

  .section-switch span {
    display: none;
  }

  .section-switch {
    padding: 0.5rem;
    border-radius: 50%;
  }

  .section-switch svg {
    margin: 0;
  }
}