/* ============================================
   KRAFT N PRINT - GLOBAL STYLES
   Modern, Premium Custom Fabric Printing Website
   ============================================ */

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

/* ============================================
   CSS VARIABLES - COLOR PALETTE
   ============================================ */
:root {
  /* Primary Colors */
  --navy: #1A2332;
  --teal: #00B8A9;
  --coral: #FF6B6B;
  --purple: #7B68EE;
  --light-gray: #F8F9FA;
  --white: #FFFFFF;
  --text-dark: #333333;
  --text-light: #666666;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--teal) 0%, var(--purple) 100%);
  --gradient-hero: linear-gradient(135deg, rgba(0, 184, 169, 0.9) 0%, rgba(123, 104, 238, 0.9) 100%);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

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

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--navy);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: 1rem;
  color: var(--text-light);
  font-size: 1.125rem;
  line-height: 1.8;
}

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

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

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xl) 0;
}

.section-lg {
  padding: calc(var(--spacing-xl) * 1.5) 0;
}

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

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease forwards;
}

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.125rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
}

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--white);
  color: var(--navy);
  border: 2px solid var(--teal);
}

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

.btn-whatsapp {
  background: #25D366;
  color: var(--white);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-whatsapp:hover {
  background: #1FA855;
  transform: translateY(-3px);
}

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

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

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all var(--transition-base);
}

.header.scrolled {
  padding: 0.5rem 0;
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-size: 1.75rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--navy);
}

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

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

.nav-link {
  font-weight: 500;
  color: var(--text-dark);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--teal);
  transition: width var(--transition-base);
}

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

.nav-cta {
  margin-left: 1rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--navy);
  transition: var(--transition-base);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  overflow: hidden;
  padding-top: 80px;
}

.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hero);
  z-index: -1;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 0 var(--spacing-md);
}

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  margin-bottom: 2.5rem;
  color: var(--white);
  opacity: 0.95;
  animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1.2s ease 0.4s backwards;
}

/* ============================================
   TRUST STRIP
   ============================================ */
.trust-strip {
  background: var(--navy);
  color: var(--white);
  padding: 1.5rem 0;
}

.trust-items {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
}

.trust-item i {
  color: var(--teal);
  font-size: 1.5rem;
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 4rem;
}

.section-subtitle {
  color: var(--teal);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.25rem;
  color: var(--text-light);
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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

.card-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.card-content {
  padding: 2rem;
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--navy);
}

.card-text {
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.card-link {
  color: var(--teal);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.card-link:hover {
  gap: 0.75rem;
}

/* ============================================
   GRID LAYOUTS
   ============================================ */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  cursor: pointer;
  transition: all var(--transition-base);
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  background: #1FA855;
}

.whatsapp-float i {
  font-size: 2rem;
  color: var(--white);
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  }
  50% {
    box-shadow: 0 0 0 20px rgba(37, 211, 102, 0);
  }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--navy);
  color: var(--white);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: var(--white);
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition-fast);
}

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

.footer-contact p {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.8);
}

.footer-contact i {
  color: var(--teal);
}

.footer-social {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

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

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--navy);
}

.form-control {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--light-gray);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0, 184, 169, 0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

/* ============================================
   BADGES & PILLS
   ============================================ */
.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--light-gray);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-dark);
}

.badge-primary {
  background: var(--teal);
  color: var(--white);
}

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

/* ============================================
   LOADING & ANIMATIONS
   ============================================ */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: spin 1s linear infinite;
}

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 968px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    justify-content: flex-start;
    padding: 5rem 2rem;
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-base);
    gap: 2rem;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .hamburger {
    display: flex;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .trust-items {
    flex-direction: column;
    gap: 1rem;
  }
  
  .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }
  
  .btn {
    padding: 0.875rem 2rem;
    font-size: 1rem;
    width: 100%;
  }
  
  .section-header {
    margin-bottom: 2rem;
  }
  
  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }
  
  .whatsapp-float i {
    font-size: 1.5rem;
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

*:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .header,
  .whatsapp-float,
  .footer {
    display: none;
  }
}