/* CSS Design System & Custom Styles for V_BRO Landing Page */

/* Fonts definition */
:root {
  --font-heading: 'Outfit', 'Noto Sans KR', sans-serif;
  --font-body: 'Inter', 'Noto Sans KR', sans-serif;

  /* HSL Colors - Default Dark Theme */
  --bg-color-h: 240;
  --bg-color-s: 10%;
  --bg-color-l: 3.9%;
  
  --bg-card-h: 240;
  --bg-card-s: 10%;
  --bg-card-l: 10%;

  --text-color-h: 0;
  --text-color-s: 0%;
  --text-color-l: 98%;

  --text-muted-h: 240;
  --text-muted-s: 5%;
  --text-muted-l: 65%;

  --primary-h: 250;
  --primary-s: 95%;
  --primary-l: 65%;

  --accent-h: 270;
  --accent-s: 90%;
  --accent-l: 60%;

  /* Status Colors */
  --success-color: #10b981;
  --error-color: #ef4444;

  /* Standard Tokens */
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);

  /* Light Theme Overrides (Dynamic class on body) */
  --bg-color: hsl(var(--bg-color-h), var(--bg-color-s), var(--bg-color-l));
  --bg-card: hsl(var(--bg-card-h), var(--bg-card-s), var(--bg-card-l));
  --text-color: hsl(var(--text-color-h), var(--text-color-s), var(--text-color-l));
  --text-muted: hsl(var(--text-muted-h), var(--text-muted-s), var(--text-muted-l));
  --primary-color: hsl(var(--primary-h), var(--primary-s), var(--primary-l));
  --accent-color: hsl(var(--accent-h), var(--accent-s), var(--accent-l));
  --border-color: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(13, 10, 31, 0.7);
  --glass-border: rgba(99, 102, 241, 0.15);
}



/* Global resets & Scrollbar */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-color);
  color: var(--text-color);
  overflow-x: hidden;
  transition: background-color 0.5s ease, color 0.5s ease;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

/* Custom Premium Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 5px;
  border: 2px solid var(--bg-color);
}

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

/* Background Blobs */
.blob-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.25;
  transition: opacity 0.5s ease;
}



.blob-1 {
  width: 500px;
  height: 500px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  top: -10%;
  right: -5%;
  animation: floatBlob1 25s infinite alternate;
}

.blob-2 {
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, #0d9488, #0284c7);
  bottom: 10%;
  left: -10%;
  animation: floatBlob2 30s infinite alternate;
}

.blob-3 {
  width: 350px;
  height: 350px;
  background: linear-gradient(135deg, #f59e0b, #e11d48);
  bottom: -5%;
  right: 15%;
  animation: floatBlob3 20s infinite alternate;
}

@keyframes floatBlob1 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-80px, 120px) scale(1.2); }
}

@keyframes floatBlob2 {
  0% { transform: translate(0, 0) scale(1.1); }
  100% { transform: translate(120px, -60px) scale(0.9); }
}

@keyframes floatBlob3 {
  0% { transform: translate(0, 0) scale(0.9); }
  100% { transform: translate(-100px, -100px) scale(1.2); }
}

/* Header & Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: var(--transition-smooth);
}

.navbar.scrolled {
  padding: 10px 0;
  background-color: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.navbar:has(.mobile-nav.active) {
  background-color: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--glass-border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-smooth);
}

.navbar.scrolled .nav-container {
  padding: 12px 24px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo {
  width: 320px;
  height: auto;
  max-height: 96px;
  object-fit: contain;
  filter: invert(1);
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-color);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  transition: var(--transition-smooth);
  border-radius: 2px;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Mobile Menu Buttons */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-color);
  cursor: pointer;
  padding: 4px;
}

/* Mobile Nav Drawer */
.mobile-nav {
  display: none;
  flex-direction: column;
  background-color: var(--bg-color);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 24px;
  gap: 16px;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  z-index: 99;
}

.mobile-nav.active {
  display: flex;
  animation: slideDown 0.3s ease forwards;
}

.mobile-nav-link {
  font-size: 1.1rem;
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
}

.mobile-nav-link:last-child {
  border: none;
}

.mobile-nav-link:hover {
  color: var(--text-color);
  padding-left: 8px;
}

@keyframes slideDown {
  from { transform: translateY(-10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Section styling (general) */
section {
  padding: 120px 24px;
  position: relative;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 70px;
}

.section-header.center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-subtitle {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--primary-color);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-color);
  margin-bottom: 16px;
}

.title-bar {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: 2px;
  margin-bottom: 24px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 650px;
  text-align: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  font-family: var(--font-body);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--border-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--text-color);
  color: var(--bg-color);
  border-color: var(--text-color);
  transform: translateY(-3px);
}

.btn-outline-banana {
  background-color: transparent;
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.btn-outline-banana:hover {
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
  transform: translateY(-2px);
}

/* Hero Section Style */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 140px;
  padding-bottom: 80px;
  max-width: 1200px;
  margin: 0 auto;
  gap: 60px;
}

.hero-content {
  flex: 1;
  max-width: 620px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background-color: var(--border-color);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--primary-color);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.5; }
}

.badge-text {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-color);
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
}

.gradient-text-vbro {
  background: linear-gradient(135deg, #818cf8 30%, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-result {
  background: linear-gradient(135deg, #a855f7 30%, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 40px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
}

.hero-visual {
  flex: 0.9;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Interactive Sphere for Hero Visual */
.interactive-sphere-container {
  position: relative;
  width: 400px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sphere-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 1px dashed var(--border-color);
  animation: spin 30s linear infinite;
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}

.glowing-sphere {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(99, 102, 241, 0.02) 70%);
  border: 1px solid var(--border-color);
  box-shadow: 0 0 80px rgba(99, 102, 241, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  animation: floatSphere 6s ease-in-out infinite alternate;
}

.glowing-sphere::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  border-radius: 50%;
  border: 1px solid rgba(168, 85, 247, 0.1);
  animation: ripple 8s linear infinite;
}

@keyframes ripple {
  0% { transform: scale(0.9); opacity: 0; }
  50% { opacity: 0.5; }
  100% { transform: scale(1.1); opacity: 0; }
}

@keyframes floatSphere {
  0% { transform: translateY(0); }
  100% { transform: translateY(-20px); }
}

.sphere-logo {
  width: 120px;
  height: auto;
  filter: invert(1) drop-shadow(0 0 25px rgba(99, 102, 241, 0.4));
  transition: var(--transition-smooth);
}

.sphere-logo:hover {
  transform: scale(1.1) rotate(5deg);
}

/* Scroll down hint mouse */
.scroll-down-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  opacity: 0.7;
  transition: var(--transition-fast);
}

.scroll-down-hint:hover {
  opacity: 1;
  transform: translate(-50%, -5px);
}

.mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  position: relative;
}

.wheel {
  width: 4px;
  height: 8px;
  background-color: var(--primary-color);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 1.5s infinite;
}

@keyframes scrollWheel {
  0% { opacity: 0; transform: translate(-50%, 0); }
  30% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, 15px); }
}

.arrow-down {
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  animation: arrowBlink 1.5s infinite;
}

@keyframes arrowBlink {
  0% { opacity: 0.3; }
  50% { opacity: 1; }
  100% { opacity: 0.3; }
}

/* About Section Styles */
.about-section {
  background-color: rgba(9, 9, 11, 0.3);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.about-text-card {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-main-desc {
  font-size: 1.35rem;
  line-height: 1.6;
  font-weight: 500;
  color: var(--text-color);
}

.about-sub-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.about-values {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.value-item {
  display: flex;
  gap: 16px;
}

.value-icon-wrapper {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background-color: var(--border-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
}

.value-icon-wrapper i {
  width: 24px;
  height: 24px;
}

.value-text h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.value-text p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Stats Counter Grid */
.about-stats-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.stat-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 30px 20px;
  text-align: center;
  transition: var(--transition-smooth);
}

.stat-box:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.05);
}

.stat-num {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-color);
}

.stat-plus {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
}

.stat-label {
  margin-top: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* Products & Services Section Styles */
.products-section {
  position: relative;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 20px;
}

.product-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 40px;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.product-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  transition: var(--transition-smooth);
}

/* Specific product border top lines */
.mte-card::after { background: linear-gradient(90deg, #0d9488, #10b981); }
.banana-card::after { background: linear-gradient(90deg, #f59e0b, #f97316); }
.protein-card::after { background: linear-gradient(90deg, #0284c7, #06b6d4); }

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  border-color: rgba(255, 255, 255, 0.15);
}



.product-badge {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 6px 12px;
  background-color: var(--border-color);
  border-radius: 20px;
  margin-bottom: 28px;
  color: var(--text-muted);
}

.product-logo-wrapper {
  height: 60px;
  display: flex;
  align-items: center;
  margin-bottom: 28px;
}

.product-logo {
  max-height: 100%;
  max-width: 180px;
  object-fit: contain;
}

/* Text Logo styling for products without images */
.text-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 60px;
}

.custom-logo-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-sm);
  background: linear-gradient(135deg, #0284c7, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.custom-logo-icon i {
  width: 22px;
  height: 22px;
}

.custom-logo-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, #0284c7, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.product-name {
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-tagline {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 20px;
}

/* Force tagline colors for products */
.mte-card .product-tagline { color: #0d9488; }
.banana-card .product-tagline { color: #f59e0b; }
.protein-card .product-tagline { color: #0284c7; }

.product-description {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 30px;
  flex-grow: 1;
}

.product-features {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  margin-bottom: auto;
}

.product-features h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-features ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-features li {
  display: flex;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.product-features li i {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 2px;
}

.mte-card li i { color: #10b981; }
.banana-card li i { color: #f59e0b; }
.protein-card li i { color: #06b6d4; }

.product-action-wrapper {
  margin-top: 32px;
}

.product-action-wrapper .btn {
  width: 100%;
}

/* Contact Section Styles */
.contact-section {
  background-color: rgba(9, 9, 11, 0.3);
  border-top: 1px solid var(--border-color);
}

.contact-grid {
  display: flex;
  justify-content: center;
  max-width: 800px;
  margin: 0 auto;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info-card h3 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.info-intro {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 40px;
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.info-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.info-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  flex-shrink: 0;
  transition: var(--transition-fast);
}

.info-item:hover .info-icon {
  background-color: var(--primary-color);
  color: white;
  transform: scale(1.08);
}

.info-icon i {
  width: 20px;
  height: 20px;
}

.info-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.info-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 600;
}

.info-value {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-color);
}

.info-value[href]:hover {
  color: var(--primary-color);
}

.social-links-container {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  margin-top: 40px;
}

.social-links-container h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  color: var(--text-muted);
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link-item {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.social-link-item:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-3px);
  background-color: rgba(99, 102, 241, 0.05);
}

.social-link-item i {
  width: 18px;
  height: 18px;
}

/* Footer Section */
.main-footer {
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 80px 24px 40px 24px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
}

.footer-logo {
  height: 96px;
  width: auto;
  filter: invert(1);
}

.footer-desc {
  color: var(--text-muted);
  max-width: 380px;
  font-size: 0.95rem;
  line-height: 1.6;
  text-align: right;
}

.footer-divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin-bottom: 30px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-meta .dot {
  width: 4px;
  height: 4px;
  background-color: var(--text-muted);
  border-radius: 50%;
}

/* Floating Scroll-to-Top Button */
.back-to-top {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  color: var(--text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 90;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--primary-color);
  color: white;
  border-color: transparent;
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 10px 20px rgba(99, 102, 241, 0.2);
}

/* Toast Messages */
.toast-container {
  position: fixed;
  bottom: 30px;
  left: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1100;
  max-width: 360px;
  width: calc(100% - 60px);
}

.toast {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--primary-color);
  border-radius: var(--border-radius-sm);
  padding: 16px 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: toastIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  position: relative;
  overflow: hidden;
}



.toast.success { border-left-color: var(--success-color); }
.toast.error { border-left-color: var(--error-color); }

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

.toast.success .toast-icon { color: var(--success-color); }
.toast.error .toast-icon { color: var(--error-color); }

.toast-message {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-color);
}

@keyframes toastIn {
  from { transform: translateX(-20px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes toastOut {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(-20px); opacity: 0; }
}

/* Progressive Scroll entry animation using CSS native (fallback in JS) */
@media (prefers-reduced-motion: no-preference) {
  @supports ((animation-timeline: view()) and (animation-range: entry)) {
    @keyframes revealUp {
      from { transform: translateY(50px); opacity: 0; }
      to { transform: translateY(0); opacity: 1; }
    }
    
    .product-card, .value-item, .stat-box, .contact-info-card {
      animation: revealUp auto linear backwards;
      animation-timeline: view();
      animation-range: entry 5% entry 40%;
    }
  }
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .hero-section {
    flex-direction: column;
    padding-top: 120px;
    gap: 40px;
    text-align: center;
  }
  
  .hero-content {
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-ctas {
    justify-content: center;
  }

  .interactive-sphere-container {
    width: 320px;
    height: 320px;
  }
  
  .glowing-sphere {
    width: 220px;
    height: 220px;
  }

  .sphere-logo {
    width: 90px;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .about-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-text-card {
    text-align: center;
  }
  
  .about-values {
    align-items: center;
    text-align: left;
  }
  
  .footer-top {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
  }
  
  .footer-desc {
    text-align: center;
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 2.3rem;
  }
  
  .hero-subtitle {
    font-size: 1.05rem;
  }
  
  .hero-ctas {
    width: 100%;
    flex-direction: column;
    gap: 12px;
  }
  
  .hero-ctas .btn {
    width: 100%;
  }
}
00%;
  }
}