/**
 * style.css - Modern Professional Design
 * Hennything Custom - Complete Redesign
 */

/* ===========================
   MODERN VARIABLES & RESETS
   =========================== */
:root {
  /* Brand Colors */
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #ec4899;
  --accent: #f59e0b;
  
  /* Neutrals */
  --dark: #1e293b;
  --gray: #64748b;
  --light-gray: #f1f5f9;
  --white: #ffffff;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-warm: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-cool: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background: var(--white);
  overflow-x: hidden;
}

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

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }

p {
  margin-bottom: 1rem;
  color: var(--gray);
}

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

a:hover {
  color: var(--primary-dark);
}

/* ===========================
   MODERN HEADER/NAV
   =========================== */
header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
}

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

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

.nav-links a {
  font-weight: 600;
  color: var(--dark);
  position: relative;
  padding: 0.5rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

/* ===========================
   HERO SECTION
   =========================== */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text h1 {
  font-size: 4rem;
  color: var(--white);
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease;
}

.hero-text p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-image {
  animation: fadeInRight 1s ease;
}

.hero-image img {
  width: 100%;
  border-radius: 20px;
  box-shadow: var(--shadow-xl);
  transform: perspective(1000px) rotateY(-5deg);
  transition: var(--transition);
}

.hero-image img:hover {
  transform: perspective(1000px) rotateY(0deg) scale(1.05);
}

/* ===========================
   BUTTONS
   =========================== */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
  border: 2px solid var(--white);
  backdrop-filter: blur(10px);
}

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

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

.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* ===========================
   SECTIONS
   =========================== */
section {
  padding: 5rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  font-size: 1.25rem;
  color: var(--gray);
}

/* ===========================
   PRODUCT GRID
   =========================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.product-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  cursor: pointer;
}

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

.product-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: var(--transition);
}

.product-card:hover img {
  transform: scale(1.1);
}

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

.product-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--dark);
}

.product-price {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  margin: 1rem 0;
}

.product-description {
  color: var(--gray);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

/* ===========================
   FEATURES SECTION
   =========================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  text-align: center;
  padding: 2rem;
  background: var(--light-gray);
  border-radius: 20px;
  transition: var(--transition);
}

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

.feature-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  display: inline-block;
  animation: float 3s ease-in-out infinite;
}

.feature-card h3 {
  margin-bottom: 1rem;
  color: var(--dark);
}

.feature-card p {
  color: var(--gray);
}

/* ===========================
   TESTIMONIALS
   =========================== */
.testimonials {
  background: var(--light-gray);
  padding: 5rem 2rem;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.testimonial-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 20px;
  font-size: 6rem;
  color: var(--primary);
  opacity: 0.1;
}

.testimonial-text {
  font-style: italic;
  color: var(--gray);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1.25rem;
}

.author-info h4 {
  margin: 0;
  font-size: 1rem;
}

.author-info p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--gray);
}

/* ===========================
   FOOTER
   =========================== */
footer {
  background: var(--dark);
  color: var(--white);
  padding: 4rem 2rem 2rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-about h3 {
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-about p {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links h4 {
  color: var(--white);
  margin-bottom: 1rem;
}

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

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

/* ===========================
   ANIMATIONS
   =========================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* ===========================
   RESPONSIVE DESIGN
   =========================== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  
  .hero-text h1 {
    font-size: 2.5rem;
  }
  
  .nav-links {
    gap: 1.5rem;
  }
  
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

/* ===========================
   UTILITY CLASSES
   =========================== */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.container { max-width: 1400px; margin: 0 auto; padding: 0 2rem; }