/* 
  SKB Water Bottle Suppliers - Global Styles
  Design System & Tokens
*/

:root {
  /* Color Palette - Fresh Water Theme */
  --primary: #0ea5e9; /* Light Ocean Blue */
  --primary-dark: #0284c7;
  --primary-light: #e0f2fe;
  --secondary: #0f172a; /* Deep Navy for text */
  --accent: #38bdf8;
  
  --bg-color: #ffffff;
  --bg-light: #f8fafc;
  --text-main: #334155;
  --text-muted: #64748b;
  --white: #ffffff;
  
  /* Status Colors */
  --success: #10b981;
  --warning: #f59e0b;
  
  /* Typography */
  --font-main: 'Outfit', sans-serif;
  
  /* Shadows & Effects */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-water: 0 10px 25px -5px rgba(14, 165, 233, 0.2);
  
  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 12px;
  --border-radius-lg: 20px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

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

h1, h2, h3, h4, h5, h6 {
  color: var(--secondary);
  font-weight: 700;
  line-height: 1.2;
}

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

ul {
  list-style: none;
}

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-padding {
  padding: 80px 0;
}

.bg-light {
  background-color: var(--bg-light);
}

.text-center {
  text-align: center;
}

/* Typography Utilities */
.section-title {
  margin-bottom: 50px;
}

.section-title .subtitle {
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.875rem;
  display: block;
  margin-bottom: 8px;
}

.section-title h2 {
  font-size: 2.5rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 600;
  font-family: var(--font-main);
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-water);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 15px 30px -5px rgba(14, 165, 233, 0.3);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--white);
}

.btn-secondary:hover {
  background-color: #000;
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--white);
}

.btn-large {
  padding: 15px 35px;
  font-size: 1.1rem;
}

.btn-block {
  display: block;
  width: 100%;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  padding: 15px 0;
  transition: var(--transition);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo i {
  color: var(--primary);
  font-size: 1.8rem;
}

.logo span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  font-weight: 500;
  color: var(--text-main);
}

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

.nav-buttons {
  display: flex;
  align-items: center;
  gap: 15px;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--secondary);
  cursor: pointer;
  margin-left: 15px;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.8) 50%, rgba(255,255,255,0.2) 100%);
  z-index: -1;
}

.hero-content {
  max-width: 600px;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 20px;
}

.hero .highlight {
  color: var(--primary);
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.hero-btns {
  display: flex;
  gap: 15px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 30px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--secondary);
}

.stat-item i {
  color: var(--primary);
  font-size: 1.5rem;
  background: var(--primary-light);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* About Section */
.about-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.about-text > p {
  font-size: 1.1rem;
  margin-bottom: 30px;
}

.mission-vision {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.mv-card {
  background: var(--white);
  padding: 30px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border-top: 4px solid var(--primary);
  transition: var(--transition);
}

.mv-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.mv-icon {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 20px;
}

.mv-card h3 {
  margin-bottom: 15px;
  font-size: 1.5rem;
}

/* Products Section */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.product-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  position: relative;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.product-img {
  height: 250px;
  background: var(--bg-light);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.product-img img {
  max-height: 100%;
  filter: drop-shadow(0 10px 15px rgba(0,0,0,0.1));
  transition: transform 0.5s ease;
}

.product-card:hover .product-img img {
  transform: scale(1.05);
}

.badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--warning);
  color: var(--white);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
}

.product-info {
  padding: 30px;
}

.product-info h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.product-info .price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 15px;
}

.product-info .price span {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
}

.product-info .desc {
  color: var(--text-muted);
  margin-bottom: 20px;
  min-height: 50px;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--white);
  padding: 40px 30px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--bg-light);
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
  border-color: var(--primary-light);
}

.service-icon {
  width: 80px;
  height: 80px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  font-size: 2rem;
  color: var(--primary);
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--primary);
  color: var(--white);
}

.service-card h3 {
  margin-bottom: 15px;
  font-size: 1.25rem;
}

/* Forms & Orders */
.two-column-layout {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 40px;
}

.box-shadow-card {
  background: var(--white);
  padding: 40px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.box-shadow-card h3 {
  margin-bottom: 10px;
  font-size: 1.8rem;
}

.box-shadow-card > p {
  color: var(--text-muted);
  margin-bottom: 30px;
}

.custom-form .form-group {
  margin-bottom: 20px;
}

.custom-form .form-row {
  display: flex;
  gap: 20px;
}

.custom-form .form-group.half {
  flex: 1;
}

.custom-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--secondary);
}

.custom-form input,
.custom-form select,
.custom-form textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-family: var(--font-main);
  font-size: 1rem;
  transition: var(--transition);
  background: #f8fafc;
}

.custom-form input:focus,
.custom-form select:focus,
.custom-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
  background: var(--white);
}

/* Tracking Result */
.track-result {
  margin-top: 25px;
  padding: 20px;
  border-radius: 8px;
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
}

.track-result.hidden {
  display: none;
}

.track-result h4 {
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.status-steps {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
  position: relative;
}

.status-steps::before {
  content: '';
  position: absolute;
  top: 15px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: #cbd5e1;
  z-index: 1;
}

.step {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.step .dot {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 0.8rem;
}

.step.active .dot {
  background: var(--primary);
}

.step.active {
  color: var(--primary);
}

/* Reviews Section */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.review-card {
  background: var(--bg-light);
  padding: 30px;
  border-radius: var(--border-radius-lg);
  border: 1px solid #e2e8f0;
}

.stars {
  color: var(--warning);
  margin-bottom: 15px;
}

.review-text {
  font-style: italic;
  margin-bottom: 20px;
  color: var(--text-main);
}

.reviewer {
  display: flex;
  align-items: center;
  gap: 15px;
}

.reviewer .avatar {
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
}

.reviewer h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.reviewer span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

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

.contact-item .icon {
  width: 50px;
  height: 50px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-item h4 {
  margin-bottom: 5px;
  font-size: 1.1rem;
}

.contact-item p {
  color: var(--text-muted);
}

.contact-map {
  height: 400px;
  padding: 0;
  overflow: hidden;
}

/* Footer */
.footer {
  background: var(--secondary);
  color: #94a3b8;
  padding-top: 60px;
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  color: var(--white);
  margin-bottom: 20px;
}

.footer-brand p {
  max-width: 300px;
}

.footer h3 {
  color: var(--white);
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 5px;
}

.social-icons {
  display: flex;
  gap: 15px;
}

.social-icon {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.social-icon:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.9rem;
}

/* Floating WhatsApp */
.floating-whatsapp {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #25D366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 4px 10px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: var(--transition);
}

.floating-whatsapp:hover {
  transform: scale(1.1);
  background: #128C7E;
}

/* Responsive Design */
@media (max-width: 992px) {
  .hero h1 {
    font-size: 3rem;
  }
  .two-column-layout {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow-md);
    gap: 15px;
    text-align: center;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-buttons .btn {
    padding: 8px 16px;
    font-size: 0.9rem;
  }
  
  .mobile-menu-btn {
    display: block;
    margin-left: 0;
  }
  
  .hero {
    padding-top: 140px;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero-overlay {
    background: linear-gradient(180deg, rgba(255,255,255,0.85) 0%, rgba(255,255,255,0.95) 100%);
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 15px;
    padding-left: 10px;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
  
  .custom-form .form-row {
    flex-direction: column;
    gap: 0;
  }
  
  .floating-whatsapp {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
    bottom: 20px;
    right: 20px;
  }
}