/* ═══════════════════════════════════════════════════════════
   MB CHEMICAL GROUP - MODULAR EDITORIAL DESIGN SYSTEM
   Inspired by: Linear, Stripe Sessions, Locomotive, Awwwards
   Architecture: Asymmetric Grid, Horizontal Scroll, Spatial Navigation
   ═══════════════════════════════════════════════════════════ */

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

/* ═══════════════════════════════════════════════════════════
   DESIGN TOKENS - Advanced System
   ═══════════════════════════════════════════════════════════ */

:root {
  /* Colors - Sophisticated Palette */
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-surface-elevated: #ffffff;
  --color-overlay: rgba(0, 0, 0, 0.02);
  
  /* Brand - Deep Purple/Blue */
  --color-primary: #2d1b69;
  --color-primary-light: #4527a0;
  --color-accent: #6366f1;
  --color-accent-glow: rgba(99, 102, 241, 0.15);
  
  /* Text Hierarchy */
  --color-text-primary: #0a0a0a;
  --color-text-secondary: #525252;
  --color-text-tertiary: #a3a3a3;
  --color-text-inverse: #ffffff;
  
  /* Borders & Dividers */
  --color-border: rgba(0, 0, 0, 0.06);
  --color-border-strong: rgba(0, 0, 0, 0.12);
  
  /* Shadows - Layered Depth */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.06), 0 4px 8px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.08), 0 8px 16px rgba(0, 0, 0, 0.05);
  --shadow-2xl: 0 24px 64px rgba(0, 0, 0, 0.12), 0 12px 24px rgba(0, 0, 0, 0.06);
  
  /* Spacing - Modular Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --space-40: 10rem;
  --space-48: 12rem;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;
  
  /* Typography Scale */
  --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: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;
  --text-8xl: 6rem;
  --text-9xl: 8rem;
  
  /* Transitions - Smooth & Natural */
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 350ms;
  --duration-slower: 500ms;
  
  /* Layout Constraints */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;
  --container-full: 100%;
}

/* ═══════════════════════════════════════════════════════════
   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;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-bg);
  overflow-x: hidden;
  position: relative;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

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

/* ═══════════════════════════════════════════════════════════
   NAVIGATION - Floating Minimal
   ═══════════════════════════════════════════════════════════ */

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-6) var(--space-8);
  pointer-events: none;
}

.topbar {
  max-width: var(--container-2xl);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  padding: var(--space-4) var(--space-6);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  pointer-events: auto;
  transition: all var(--duration-base) var(--ease-smooth);
}

.topbar.scrolled {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-md);
}

.brand {
  display: flex;
  align-items: center;
  transition: opacity var(--duration-fast) var(--ease-out);
  z-index: 1001;
}

.brand:hover {
  opacity: 0.7;
}

.brand img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

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

.nav-links a {
  position: relative;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}

.nav-links a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
  border-radius: var(--radius-md);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out);
  z-index: -1;
}

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

.nav-links a:hover::before {
  opacity: 1;
}

/* Hamburger Menu Button - Mobile Only */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
  position: relative;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--duration-base) var(--ease-smooth);
  position: absolute;
}

.menu-toggle span:nth-child(1) {
  transform: translateY(-6px);
}

.menu-toggle span:nth-child(2) {
  transform: translateY(0);
}

.menu-toggle span:nth-child(3) {
  transform: translateY(6px);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(0) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(-20px);
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(0) rotate(-45deg);
}

/* Mobile Sidebar Menu */
@media (max-width: 1024px) {
  header {
    padding: var(--space-4);
  }
  
  .topbar {
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 80vw);
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: var(--space-24) var(--space-6) var(--space-8);
    gap: var(--space-2);
    box-shadow: var(--shadow-2xl);
    transition: right var(--duration-slow) var(--ease-smooth);
    z-index: 1000;
    overflow-y: auto;
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .nav-links a {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    font-size: var(--text-base);
    text-align: left;
    border-radius: var(--radius-lg);
  }
  
  .nav-links a::before {
    border-radius: var(--radius-lg);
  }
  
  /* Overlay */
  .nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-slow) var(--ease-smooth);
    z-index: 999;
  }
  
  .nav-overlay.active {
    opacity: 1;
    visibility: visible;
  }
}

@media (max-width: 768px) {
  .nav-links {
    width: min(280px, 85vw);
  }
  
  .brand img {
    height: 32px;
  }
}

/* ═══════════════════════════════════════════════════════════
   HERO - ASYMMETRIC EDITORIAL LAYOUT
   ═══════════════════════════════════════════════════════════ */

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-16);
  align-items: center;
  padding: var(--space-32) var(--space-8) var(--space-24);
  max-width: var(--container-2xl);
  margin: 0 auto;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  z-index: 0;
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-30px, -30px) scale(1.1); }
}

.hero-copy {
  position: relative;
  z-index: 1;
  padding-right: var(--space-12);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-8);
  padding: var(--space-2) var(--space-4);
  background: var(--color-overlay);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  width: fit-content;
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-smooth) 0.2s forwards;
}

h1 {
  font-size: clamp(var(--text-5xl), 8vw, var(--text-8xl));
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  margin: 0 0 var(--space-8);
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-smooth) 0.3s forwards;
}

/* Product Page Hero - Webflow Style */
.hero.hero-product {
  min-height: auto;
  padding: var(--space-24) var(--space-8) var(--space-16);
  grid-template-columns: 1fr;
  gap: 0;
}

.hero-product .hero-copy {
  padding-right: 0;
  max-width: 100%;
}

.hero-product h1 {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.hero-product .brand-logo {
  width: auto;
  height: clamp(60px, 8vw, 100px);
  object-fit: contain;
  opacity: 0;
  animation: fadeInRight 0.8s var(--ease-smooth) 0.4s forwards;
}

.hero-copy > p {
  font-size: var(--text-xl);
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-12);
  max-width: 50ch;
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-smooth) 0.4s forwards;
}

.hero-media {
  position: relative;
  z-index: 1;
  opacity: 0;
  animation: fadeInRight 1s var(--ease-smooth) 0.5s forwards;
  transform: translate(8%, 6%); /* Asymmetric positioning - right and down */
}

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  border: 1px solid var(--color-border);
  transition: transform var(--duration-slower) var(--ease-smooth);
}

.hero-media:hover img {
  transform: scale(1.02) rotate(1deg);
}

/* Hide hero-media--logo in product pages */
.hero-product .hero-media--logo {
  display: none;
}

/* Stats - Floating Cards */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-smooth) 0.6s forwards;
}

.stat {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--duration-base) var(--ease-smooth);
  position: relative;
  overflow: hidden;
}

.stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-smooth);
}

.stat:hover::before {
  transform: scaleX(1);
}

.stat:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.stat strong {
  display: block;
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-3);
}

.stat span {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    gap: var(--space-12);
    padding: var(--space-24) var(--space-6) var(--space-16);
  }
  
  .hero-copy {
    padding-right: 0;
  }
  
  .hero-media {
    transform: translate(0, 0); /* Reset asymmetric positioning on tablet */
  }
  
  h1 {
    max-width: 100%;
  }
  
  .hero-product h1 {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: var(--space-20) var(--space-4) var(--space-12);
  }
  
  .hero-product {
    padding: var(--space-16) var(--space-4) var(--space-12);
  }
  
  .hero-media {
    transform: translate(0, 0); /* Reset asymmetric positioning on mobile */
  }
  
  .stats {
    grid-template-columns: 1fr;
  }
  
  .hero-product .brand-logo {
    height: 50px;
  }
}

/* ═══════════════════════════════════════════════════════════
   BUTTONS - Modern Interactive
   ═══════════════════════════════════════════════════════════ */

.btns {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  align-items: center;
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-smooth) 0.5s forwards;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-smooth);
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-md), 0 0 0 0 rgba(45, 27, 105, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 0 4px rgba(45, 27, 105, 0.1);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  background: var(--color-overlay);
  border-color: var(--color-text-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
  .btn {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
  }
}

/* ═══════════════════════════════════════════════════════════
   SECTION SYSTEM - Modular & Asymmetric
   ═══════════════════════════════════════════════════════════ */

.section {
  position: relative;
  padding: var(--space-32) var(--space-8);
  max-width: var(--container-2xl);
  margin: 0 auto;
}

.section-alt {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-full {
  max-width: 100%;
  padding-left: 0;
  padding-right: 0;
}

/* Section Headers - Editorial Style */
.section h2 {
  font-size: clamp(var(--text-4xl), 6vw, var(--text-7xl));
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin: 0 0 var(--space-6);
}

.section .lead {
  font-size: var(--text-xl);
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-16);
  max-width: 65ch;
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-20) var(--space-4);
  }
}

/* ═══════════════════════════════════════════════════════════
   BENTO GRID - Asymmetric Modular Layout
   ═══════════════════════════════════════════════════════════ */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-16);
}

/* Asymmetric Bento Layout */
.grid-3.bento {
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 280px;
}

.grid-3.bento .card:nth-child(1) {
  grid-column: span 4;
  grid-row: span 2;
}

.grid-3.bento .card:nth-child(2) {
  grid-column: span 2;
}

.grid-3.bento .card:nth-child(3) {
  grid-column: span 2;
}

@media (max-width: 1024px) {
  .grid-3 {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .grid-3.bento {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }
  
  .grid-3.bento .card {
    grid-column: span 1 !important;
    grid-row: span 1 !important;
  }
}

/* ═══════════════════════════════════════════════════════════
   CARDS - Premium Interactive
   ═══════════════════════════════════════════════════════════ */

.card {
  position: relative;
  padding: var(--space-12);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--duration-base) var(--ease-smooth);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

.card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, var(--color-accent-glow) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
  pointer-events: none;
}

.card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-xl);
  transform: translateY(-6px);
}

.card:hover::before,
.card:hover::after {
  opacity: 1;
}

.card h3 {
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text-primary);
  margin: 0 0 var(--space-4);
}

.card p {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ═══════════════════════════════════════════════════════════
   HORIZONTAL SCROLL SECTION - Cinematic
   ═══════════════════════════════════════════════════════════ */

.brand-grid {
  display: flex;
  gap: var(--space-8);
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: var(--space-16) var(--space-8);
  margin: 0 calc(var(--space-8) * -1);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.brand-grid::-webkit-scrollbar {
  display: none;
}

.brand-card {
  position: relative;
  flex: 0 0 320px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-10);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--duration-base) var(--ease-smooth);
  overflow: hidden;
}

.brand-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(45, 27, 105, 0.02) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

.brand-card:hover::after {
  opacity: 1;
}

.brand-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px) scale(1.02);
}

.brand-card img {
  width: 100%;
  height: 140px;
  object-fit: contain;
  padding: var(--space-6);
  background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
  border-radius: var(--radius-lg);
  transition: transform var(--duration-base) var(--ease-smooth);
}

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

.brand-card span {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-primary);
  text-align: center;
}

/* Scroll Indicator */
.scroll-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-8);
  padding: var(--space-3) var(--space-5);
  background: var(--color-overlay);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  width: fit-content;
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.scroll-indicator::after {
  content: '→';
  font-size: var(--text-lg);
  animation: slideRight 1.5s ease-in-out infinite;
}

@keyframes slideRight {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(6px); }
}

/* ═══════════════════════════════════════════════════════════
   PRODUCT GRID - Masonry Style
   ═══════════════════════════════════════════════════════════ */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-16);
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--duration-base) var(--ease-smooth);
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.04) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

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

.product-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-xl);
  transform: translateY(-8px);
}

.product-card img {
  width: 100%;
  height: 300px;
  object-fit: contain;
  background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  margin-bottom: var(--space-5);
  transition: transform var(--duration-slower) var(--ease-smooth);
}

.product-card:hover img {
  transform: scale(1.08) rotate(2deg);
}

.product-card h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2);
}

.product-card p {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin: 0;
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════
   CLIENTS CAROUSEL - Dual Infinite Scroll with Dynamic Speed
   ═══════════════════════════════════════════════════════════ */

.clients-carousel {
  overflow: hidden;
  padding: var(--space-24) 0;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

/* Track Container with Mask */
.clients-track-container {
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(90deg, 
    transparent 0%, 
    black 5%, 
    black 95%, 
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(90deg, 
    transparent 0%, 
    black 5%, 
    black 95%, 
    transparent 100%
  );
}

.clients-track {
  display: flex;
  gap: var(--space-12);
  width: max-content;
  will-change: transform;
}

/* First track - moves left to right (slow) */
.clients-track.track-1 {
  animation: scroll-right 80s linear infinite;
}

/* Second track - moves right to left (slow) */
.clients-track.track-2 {
  animation: scroll-left 80s linear infinite;
}

/* Pause on hover */
.clients-track-container:hover .clients-track {
  animation-play-state: paused !important;
}

@keyframes scroll-right {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-50%));
  }
}

@keyframes scroll-left {
  0% {
    transform: translateX(calc(-50%));
  }
  100% {
    transform: translateX(0);
  }
}

.client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 220px;
  height: 140px;
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--duration-base) var(--ease-smooth);
  flex-shrink: 0;
}

.client-logo:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-strong);
  z-index: 10;
}

.client-logo img {
  max-width: 180px;
  max-height: 90px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(0.6) opacity(0.7);
  transition: filter var(--duration-base) var(--ease-out);
}

.client-logo:hover img {
  filter: grayscale(0) opacity(1);
}

/* ═══════════════════════════════════════════════════════════
   CONTACT SECTION - Split Layout
   ═══════════════════════════════════════════════════════════ */

.contact-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  margin-top: var(--space-16);
}

.map {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--duration-base) var(--ease-out);
}

.map:hover {
  box-shadow: var(--shadow-xl);
}

.map iframe {
  width: 100%;
  height: 450px;
  border: 0;
  display: block;
}

.list-clean {
  padding-left: var(--space-6);
  line-height: 1.8;
}

.list-clean li {
  margin-bottom: var(--space-3);
  color: var(--color-text-secondary);
}

@media (max-width: 768px) {
  .contact-box {
    grid-template-columns: 1fr;
  }
  
  .map iframe {
    height: 350px;
  }
}

/* ═══════════════════════════════════════════════════════════
   FOOTER - Minimal & Clean
   ═══════════════════════════════════════════════════════════ */

.footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: var(--space-24) var(--space-8) var(--space-12);
}

.footer .container {
  max-width: var(--container-2xl);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.footer .container > p {
  margin: 0;
}

.footer-subvention {
  margin-top: var(--space-12);
  padding-top: var(--space-12);
  border-top: 1px solid var(--color-border);
}

.footer-subvention-content {
  display: flex;
  gap: var(--space-12);
  align-items: flex-start;
}

.footer-logo {
  width: 160px;
  height: auto;
  flex-shrink: 0;
  object-fit: contain;
  opacity: 0.7;
}

.footer-subvention p {
  margin: 0;
  line-height: 1.7;
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
}

.footer-subvention a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--duration-fast) var(--ease-out);
}

.footer-subvention a:hover {
  color: var(--color-primary-light);
  text-decoration: underline;
}

@media (max-width: 768px) {
  .footer-subvention-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .footer-logo {
    width: 140px;
  }
}

/* ═══════════════════════════════════════════════════════════
   PDF LIST & POLICY
   ═══════════════════════════════════════════════════════════ */

.pdf-list {
  margin-top: var(--space-12);
  display: grid;
  gap: var(--space-4);
}

.pdf-list a {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-weight: 500;
  color: var(--color-text-primary);
  transition: all var(--duration-base) var(--ease-smooth);
}

.pdf-list a::before {
  content: '📄';
  font-size: var(--text-xl);
}

.pdf-list a:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
  transform: translateX(6px);
}

.policy {
  padding: var(--space-16);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.policy h2 {
  margin-bottom: var(--space-12);
}

.policy p {
  margin: var(--space-5) 0;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

/* ═══════════════════════════════════════════════════════════
   WHATSAPP BUTTON - Floating CTA
   ═══════════════════════════════════════════════════════════ */

.whatsapp-btn {
  position: fixed;
  bottom: var(--space-12);
  right: var(--space-12);
  width: 68px;
  height: 68px;
  background: linear-gradient(135deg, #25d366 0%, #20ba5a 100%);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xl), 0 0 0 0 rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: all var(--duration-base) var(--ease-smooth);
  animation: pulse 2.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.whatsapp-btn:hover {
  transform: scale(1.12);
  box-shadow: var(--shadow-2xl), 0 0 0 10px rgba(37, 211, 102, 0.2);
  animation: none;
}

.whatsapp-btn svg {
  width: 34px;
  height: 34px;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: var(--shadow-xl), 0 0 0 0 rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: var(--shadow-xl), 0 0 0 14px rgba(37, 211, 102, 0);
  }
}

@media (max-width: 768px) {
  .whatsapp-btn {
    bottom: var(--space-8);
    right: var(--space-8);
    width: 60px;
    height: 60px;
  }
  
  .whatsapp-btn svg {
    width: 30px;
    height: 30px;
  }
}

/* ═══════════════════════════════════════════════════════════
   SCROLL TO TOP BUTTON
   ═══════════════════════════════════════════════════════════ */

.scroll-to-top {
  position: fixed;
  bottom: calc(var(--space-12) + 84px);
  right: var(--space-12);
  width: 52px;
  height: 52px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-base) var(--ease-smooth);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
}

.scroll-to-top::before {
  content: '↑';
  color: var(--color-text-primary);
  font-size: 22px;
  font-weight: 700;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-text-primary);
}

@media (max-width: 768px) {
  .scroll-to-top {
    bottom: calc(var(--space-8) + 76px);
    right: var(--space-8);
    width: 48px;
    height: 48px;
  }
  
  .scroll-to-top::before {
    font-size: 20px;
  }
}

/* ═══════════════════════════════════════════════════════════
   ANIMATIONS - Smooth & Cinematic
   ═══════════════════════════════════════════════════════════ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease-smooth),
              transform 0.7s var(--ease-smooth);
}

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

/* Staggered Animations */
.card:nth-child(1) { transition-delay: 0s; }
.card:nth-child(2) { transition-delay: 0.1s; }
.card:nth-child(3) { transition-delay: 0.2s; }
.card:nth-child(4) { transition-delay: 0.3s; }
.card:nth-child(5) { transition-delay: 0.4s; }
.card:nth-child(6) { transition-delay: 0.5s; }

.brand-card:nth-child(1) { transition-delay: 0s; }
.brand-card:nth-child(2) { transition-delay: 0.08s; }
.brand-card:nth-child(3) { transition-delay: 0.16s; }
.brand-card:nth-child(4) { transition-delay: 0.24s; }
.brand-card:nth-child(5) { transition-delay: 0.32s; }

.product-card:nth-child(1) { transition-delay: 0s; }
.product-card:nth-child(2) { transition-delay: 0.05s; }
.product-card:nth-child(3) { transition-delay: 0.1s; }
.product-card:nth-child(4) { transition-delay: 0.15s; }
.product-card:nth-child(5) { transition-delay: 0.2s; }
.product-card:nth-child(6) { transition-delay: 0.25s; }
.product-card:nth-child(7) { transition-delay: 0.3s; }
.product-card:nth-child(8) { transition-delay: 0.35s; }

/* ═══════════════════════════════════════════════════════════
   UTILITY CLASSES
   ═══════════════════════════════════════════════════════════ */

.container {
  max-width: var(--container-2xl);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.list-clean {
  padding-left: var(--space-6);
  line-height: 1.8;
}

.list-clean li {
  margin-bottom: var(--space-3);
  color: var(--color-text-secondary);
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE ADJUSTMENTS
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  :root {
    --space-32: 6rem;
    --space-24: 4rem;
  }
}

@media (max-width: 768px) {
  :root {
    --space-32: 4rem;
    --space-24: 3rem;
    --space-20: 3rem;
    --space-16: 2.5rem;
  }
  
  .container {
    padding: 0 var(--space-4);
  }
}

/* ═══════════════════════════════════════════════════════════
   ACCESSIBILITY & PERFORMANCE
   ═══════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Focus Styles */
*:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background: var(--color-accent-glow);
  color: var(--color-text-primary);
}