/* ============================================
   WebShopGrids - Modern Coupon Website
   2025 Design Standards
   ============================================ */

/* Root Variables */
:root {
    /* Color Palette */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --secondary-dark: #db2777;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    /* Neutral Colors */
    --white: #ffffff;
    --light-gray: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #6366f1 100%);
    --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ec4899 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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* ============================================
   Global Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Poppins', sans-serif;
    color: var(--gray-700);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--gray-600);
}

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

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

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

/* ============================================
   Navigation Bar
   ============================================ */

.navbar {
    padding: 1rem 0;
    border-bottom: 1px solid var(--gray-100);
    transition: all var(--transition-base);
}

.navbar-brand {
    font-size: 1.5rem;
    color: var(--gray-900) !important;
    transition: transform var(--transition-base);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-nav .nav-link {
    margin: 0 0.5rem;
    color: var(--gray-600) !important;
    font-weight: 500;
    transition: all var(--transition-base);
    position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary) !important;
}

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

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

.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-lg);
    padding: 0.5rem 0;
}

.dropdown-item {
    padding: 0.75rem 1.5rem;
    color: var(--gray-700);
    transition: all var(--transition-base);
}

.dropdown-item:hover {
    background-color: var(--gray-100);
    color: var(--primary);
    padding-left: 2rem;
}

/* ============================================
   Hero Section
   ============================================ */

.hero-section {
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    padding: 5rem 0;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: var(--gradient-primary);
    opacity: 0.1;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: var(--gradient-secondary);
    opacity: 0.1;
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideInLeft 0.8s ease-out;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    max-width: 500px;
    animation: slideInLeft 0.8s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    animation: slideInLeft 0.8s ease-out 0.4s both;
}

.hero-buttons .btn {
    padding: 0.875rem 2rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.hero-buttons .btn-primary {
    background: var(--gradient-primary);
    border: none;
}

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

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

.hero-buttons .btn-outline-primary:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.hero-image-section {
    position: relative;
    z-index: 2;
}

.hero-image-container {
    width: 100%;
    max-width: 400px;
    animation: float 4s ease-in-out infinite;
}

.hero-illustration {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
}

/* ============================================
   Category Section
   ============================================ */

.categories-section {
    background: var(--white);
    padding: 5rem 0;
}

.section-header {
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-100) 100%);
    border-radius: var(--radius-xl);
    border: 2px solid var(--gray-200);
    transition: all var(--transition-base);
    text-align: center;
    height: 100%;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 0;
}

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

.category-card:hover::before {
    opacity: 0.05;
}

.category-card > * {
    position: relative;
    z-index: 1;
}

.category-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
    transition: transform var(--transition-base);
}

.category-card:hover .category-icon {
    transform: scale(1.2) rotate(5deg);
}

.category-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.category-card p {
    font-size: 0.95rem;
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.category-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    transition: all var(--transition-base);
    font-size: 0.75rem;
}

.category-card:hover .category-arrow {
    transform: translateX(4px);
    background: var(--primary-dark);
}

/* ============================================
   Coupon Cards
   ============================================ */

.featured-coupons-section {
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-100) 100%);
    padding: 5rem 0;
}

.coupon-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.coupon-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

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

.coupon-header {
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.brand-logo {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    background: var(--white);
    padding: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.discount-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-warm);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1.125rem;
    box-shadow: var(--shadow-md);
    animation: pulse 2s ease-in-out infinite;
}

.coupon-body {
    padding: 1.5rem;
    flex-grow: 1;
}

.coupon-title {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.coupon-description {
    font-size: 0.95rem;
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.coupon-code {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--gray-100);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    border: 2px dashed var(--primary);
}

.coupon-code code {
    font-family: 'Courier New', monospace;
    font-weight: 700;
    color: var(--primary);
    font-size: 1rem;
}

.btn-copy {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 1rem;
    transition: all var(--transition-base);
    padding: 0.25rem 0.5rem;
}

.btn-copy:hover {
    color: var(--primary-dark);
    transform: scale(1.2);
}

.coupon-footer {
    padding: 1rem 1.5rem;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.coupon-footer small {
    font-size: 0.85rem;
}

.coupon-footer .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    white-space: nowrap;
}

/* ============================================
   Newsletter Section
   ============================================ */

.newsletter-section {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 4rem 0;
}

.newsletter-title {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 1rem;
}

.newsletter-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
}

.newsletter-form .input-group {
    display: flex;
    gap: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.newsletter-form .form-control {
    padding: 0.875rem 1.5rem;
    border: none;
    font-size: 1rem;
    background: var(--white);
    color: var(--gray-900);
}

.newsletter-form .form-control::placeholder {
    color: var(--gray-400);
}

.newsletter-form .form-control:focus {
    background: var(--white);
    color: var(--gray-900);
    box-shadow: none;
    outline: none;
}

.newsletter-form .btn {
    padding: 0.875rem 2rem;
    background: var(--secondary);
    border: none;
    color: var(--white);
    font-weight: 600;
    transition: all var(--transition-base);
}

.newsletter-form .btn:hover {
    background: var(--secondary-dark);
    transform: translateX(2px);
}

/* ============================================
   Footer
   ============================================ */

.footer-section {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 3rem 0 1rem;
}

.footer-title {
    color: var(--white);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.footer-text {
    font-size: 0.95rem;
    color: var(--gray-400);
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 50%;
    transition: all var(--transition-base);
    font-size: 1rem;
}

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

.footer-links {
    list-style: none;
    padding: 0;
}

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

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 0.5rem;
}

.footer-contact {
    list-style: none;
    padding: 0;
}

.footer-contact li {
    margin-bottom: 0.75rem;
    color: var(--gray-400);
    font-size: 0.95rem;
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 2rem 0;
}

.footer-copyright {
    font-size: 0.9rem;
    color: var(--gray-500);
}

.footer-link {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-link:hover {
    color: var(--primary-light);
}

/* ============================================
   Modal
   ============================================ */

.modal-content {
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
}

.modal-header {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
}

.modal-title {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    color: var(--gray-900);
}

.coupon-code-display {
    background: var(--gray-100);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 2px dashed var(--primary);
}

.coupon-code-display code {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 700;
    font-family: 'Courier New', monospace;
}

.modal-footer {
    background: var(--gray-100);
}

/* ============================================
   Scroll to Top Button
   ============================================ */

.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.scroll-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.scroll-to-top.show {
    display: flex;
}

/* ============================================
   Animations
   ============================================ */

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

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

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1200px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 3rem 0;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .newsletter-form .input-group {
        flex-direction: column;
    }
    
    .newsletter-form .form-control,
    .newsletter-form .btn {
        width: 100%;
        border-radius: var(--radius-lg);
    }
    
    .coupon-card {
        margin-bottom: 1rem;
    }
    
    .scroll-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1rem;
    }
    
    .navbar-nav .nav-link {
        margin: 0.25rem 0;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .category-card {
        padding: 1.5rem;
    }
    
    .coupon-footer {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .coupon-footer .btn {
        width: 100%;
    }
    
    .footer-section {
        padding: 2rem 0 1rem;
    }
    
    .footer-title {
        font-size: 1rem;
    }
}

/* ============================================
   Utility Classes
   ============================================ */

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: var(--white);
    font-weight: 600;
    transition: all var(--transition-base);
}

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

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

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

.text-primary {
    color: var(--primary) !important;
}

.text-secondary {
    color: var(--secondary) !important;
}

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

.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.shadow-md {
    box-shadow: var(--shadow-md) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

.rounded-lg {
    border-radius: var(--radius-lg) !important;
}

.rounded-xl {
    border-radius: var(--radius-xl) !important;
}

.transition-all {
    transition: all var(--transition-base);
}

/* ============================================
   Glassmorphism Effect
   ============================================ */

.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
}

/* ============================================
   Form Styles
   ============================================ */

.form-control {
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all var(--transition-base);
    color: var(--gray-900);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    outline: none;
}

.form-control::placeholder {
    color: var(--gray-400);
}

.form-label {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

textarea.form-control {
    resize: vertical;
    min-height: 150px;
}

/* ============================================
   Loading & Success States
   ============================================ */

.loading {
    opacity: 0.6;
    pointer-events: none;
}

.success {
    color: var(--success);
}

.error {
    color: var(--danger);
}

.warning {
    color: var(--warning);
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    .navbar,
    .footer-section,
    .scroll-to-top,
    .newsletter-section {
        display: none;
    }
    
    body {
        background: var(--white);
    }
}