/* ========================================
   Buy New Limited - Premium Pet Training
   Modern CSS Design System
======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    --accent: #f59e0b;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Neutral Colors */
    --gray-50: #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;

    /* Text Colors */
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #6b7280;
    --text-light: #ffffff;

    /* Background */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #111827;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.4) 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Typography */
    --font-primary: 'Outfit', sans-serif;
    --font-secondary: 'Inter', sans-serif;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

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

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

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

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

ul,
ol {
    list-style: none;
}

button,
input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

.hidden {
    display: none !important;
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Section */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gradient-primary);
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

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

/* ========================================
   Navigation
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 1.75rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    padding: var(--spacing-sm) 0;
    position: relative;
    transition: color var(--transition-base);
}

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

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

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

.nav-cta {
    background: var(--gradient-primary);
    color: white !important;
    padding: var(--spacing-sm) var(--spacing-lg) !important;
    border-radius: var(--radius-full);
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-base);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle fill="%23ffffff" cx="50" cy="50" r="0.5" opacity="0.02"/></pattern></defs><rect fill="url(%23grain)" width="100" height="100"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    padding: var(--spacing-3xl) var(--spacing-lg);
    color: white;
}

.hero-badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(4px);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(135deg, #818cf8 0%, #c084fc 50%, #f472b6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-3xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    font-family: var(--font-primary);
    color: white;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.hero-image {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    height: 80%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 600px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-image-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(99, 102, 241, 0.3) 100%);
}

/* ========================================
   Buttons
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

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

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

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

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

.btn-outline-light {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

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

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* ========================================
   Course Cards
======================================== */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.course-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-100);
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.course-card.featured {
    grid-column: span 1;
    border: 2px solid var(--primary);
    position: relative;
}

.course-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    z-index: 10;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gradient-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.course-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.course-content {
    padding: var(--spacing-xl);
}

.course-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.course-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.course-features {
    margin-bottom: var(--spacing-lg);
}

.course-features li {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.course-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

.course-price {
    display: flex;
    flex-direction: column;
}

.price-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.price-value {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

/* ========================================
   Page Header
======================================== */
.page-header {
    background: var(--gradient-hero);
    padding: 120px 0 60px;
    text-align: center;
    color: white;
}

.page-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
}

.page-header p {
    font-size: 1.125rem;
    opacity: 0.8;
}

.breadcrumb {
    margin-top: var(--spacing-lg);
    font-size: 0.875rem;
}

.breadcrumb a {
    opacity: 0.7;
    transition: opacity var(--transition-base);
}

.breadcrumb a:hover {
    opacity: 1;
}

.breadcrumb span {
    margin: 0 var(--spacing-sm);
}

/* ========================================
   Premium Course Card
======================================== */
.premium-course-card {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
    position: relative;
    overflow: hidden;
}

.premium-badge {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    color: white;
    font-weight: 700;
    font-size: 0.875rem;
    border-radius: var(--radius-full);
}

.premium-course-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.premium-course-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.premium-course-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.premium-course-content {
    color: white;
}

.premium-course-content h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.premium-tagline {
    font-size: 1.125rem;
    opacity: 0.8;
    margin-bottom: var(--spacing-xl);
}

.premium-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.premium-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9375rem;
}

.feature-check {
    color: var(--success);
    font-weight: 700;
}

.premium-price-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.premium-price .price-label {
    color: rgba(255, 255, 255, 0.6);
}

.premium-price .price-amount {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 800;
    display: block;
}

.premium-price .price-payment {
    font-size: 0.875rem;
    opacity: 0.6;
}

/* ========================================
   Full Course Cards
======================================== */
.courses-full-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--spacing-xl);
}

.course-card-full {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-100);
}

.course-card-full:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.course-card-image {
    position: relative;
    height: 200px;
}

.course-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-duration {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
}

.course-card-body {
    padding: var(--spacing-xl);
}

.course-card-body h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.course-card-body>p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.course-details {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--gray-100);
    border-bottom: 1px solid var(--gray-100);
    margin-bottom: var(--spacing-lg);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.detail-icon {
    font-size: 1rem;
}

.course-includes h4 {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.course-includes ul {
    margin-bottom: var(--spacing-lg);
}

.course-includes li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.course-includes li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.course-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-100);
}

.course-price-tag .price-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.course-price-tag .price-value {
    font-family: var(--font-primary);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
}

/* ========================================
   Why Us Section
======================================== */
.why-us-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.why-us-content .section-title {
    text-align: left;
}

.section-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.feature-list {
    display: grid;
    gap: var(--spacing-lg);
}

.feature-item {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.feature-text p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.why-us-image {
    position: relative;
}

.why-us-image img {
    width: 100%;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.trust-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.trust-icon {
    font-size: 2rem;
}

.trust-text strong {
    display: block;
    font-size: 0.9375rem;
}

.trust-text span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ========================================
   Testimonials
======================================== */
.testimonials {
    background: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.testimonial-stars {
    color: var(--accent);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    letter-spacing: 2px;
}

.testimonial-text {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.author-info strong {
    display: block;
    font-size: 0.9375rem;
}

.author-info span {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ========================================
   CTA Section
======================================== */
.cta-section {
    background: var(--gradient-primary);
    text-align: center;
    color: white;
}

.cta-content h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Footer
======================================== */
.footer {
    background: var(--gray-900);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-primary);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    color: var(--gray-400);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    border-radius: var(--radius-md);
    color: var(--gray-400);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--primary);
    color: white;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
    color: white;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.9375rem;
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: white;
}

.footer-contact address {
    font-style: normal;
    color: var(--gray-400);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.footer-contact a {
    color: var(--primary-light);
}

.footer-contact a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-800);
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.payment-badges {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* ========================================
   Contact Page
======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
}

.contact-info h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.contact-info>p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact-item {
    display: flex;
    gap: var(--spacing-lg);
}

.contact-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.response-time {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--success);
    color: white;
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
}

.response-icon {
    font-size: 1.25rem;
}

.contact-form-wrapper {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form-wrapper h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xl);
}

/* ========================================
   Forms
======================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    background: white;
    transition: all var(--transition-base);
}

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

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

.form-hint {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-section {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--gray-200);
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: var(--spacing-lg);
}

.form-section h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--primary);
}

.form-checkbox label {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.form-checkbox a {
    color: var(--primary);
    text-decoration: underline;
}

/* ========================================
   Order Page
======================================== */
.order-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.order-form-wrapper {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.order-form-header {
    margin-bottom: var(--spacing-2xl);
}

.order-form-header h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.order-form-header p {
    color: var(--text-secondary);
}

.order-sidebar {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.order-info-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.order-info-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.order-info-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.order-info-card a {
    color: var(--primary);
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.process-step {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.step-num {
    width: 28px;
    height: 28px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.process-step p {
    margin: 0;
    font-size: 0.9375rem;
}

.stripe-badge {
    margin-top: var(--spacing-md);
    max-width: 140px;
    height: auto;
}

.order-info-card.guarantee {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border: 1px solid #a7f3d0;
}

.order-info-card.guarantee h3 {
    color: #059669;
}

/* ========================================
   Success Page
======================================== */
.success-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px var(--spacing-lg) var(--spacing-3xl);
}

.success-content {
    max-width: 700px;
    text-align: center;
}

.success-icon {
    font-size: 5rem;
    margin-bottom: var(--spacing-xl);
}

.success-content h1 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin-bottom: var(--spacing-md);
}

.success-message {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-3xl);
}

.next-steps {
    background: var(--bg-secondary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-2xl);
    text-align: left;
}

.next-steps h2 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.steps-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.step-item {
    display: flex;
    gap: var(--spacing-lg);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.success-note {
    background: #fef3c7;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-2xl);
}

.success-note p {
    margin: 0;
    color: var(--gray-700);
}

.success-note a {
    color: var(--primary);
}

.success-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Legal Pages
======================================== */
.legal-content {
    padding-top: var(--spacing-2xl);
}

.legal-document {
    max-width: 800px;
    margin: 0 auto;
}

.legal-document h2 {
    font-size: 1.25rem;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.legal-document p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.legal-document ul,
.legal-document ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

.legal-document li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.legal-document ul li {
    list-style: disc;
}

.legal-document ol li {
    list-style: decimal;
}

/* ========================================
   About Page
======================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-content .section-title {
    text-align: left;
}

.about-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.about-stats {
    display: flex;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--gray-200);
}

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

.about-stat .stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    font-family: var(--font-primary);
    display: block;
}

.about-stat .stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.about-image-badge {
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    white-space: nowrap;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.value-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
}

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

.value-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.value-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.value-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.details-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.details-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-100);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-100);
}

.detail-row:last-child {
    border-bottom: none;
}

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

.sic-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-100);
}

.sic-list li:last-child {
    border-bottom: none;
}

.sic-list strong {
    display: inline-block;
    background: var(--gray-100);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    margin-right: var(--spacing-sm);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
}

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

.feature-icon-lg {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* ========================================
   How It Works
======================================== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-xl);
}

.step-card {
    text-align: center;
    position: relative;
}

.step-card .step-number {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    margin: 0 auto var(--spacing-md);
}

.step-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.step-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.step-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* ========================================
   FAQ Section
======================================== */
.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.faq-question:hover {
    background: var(--gray-50);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--primary);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-image {
        position: relative;
        width: 100%;
        height: auto;
        transform: none;
        margin-top: var(--spacing-2xl);
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .why-us-grid,
    .about-grid {
        grid-template-columns: 1fr;
    }

    .why-us-content {
        order: 2;
    }

    .why-us-image {
        order: 1;
    }

    .premium-course-grid {
        grid-template-columns: 1fr;
    }

    .order-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .order-sidebar {
        position: static;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transform: translateX(100%);
        transition: transform var(--transition-base);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero-title {
        font-size: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .premium-features {
        grid-template-columns: 1fr;
    }

    .premium-price-section {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }

    .courses-full-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .about-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .section {
        padding: var(--spacing-2xl) 0;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .btn {
        width: 100%;
    }

    .hero-cta {
        flex-direction: column;
    }

    .course-footer {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .course-footer .btn {
        width: 100%;
    }

    .testimonials-grid,
    .courses-grid {
        grid-template-columns: 1fr;
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Popup & Custom Banners
======================================== */
.custom-banner {
    background: linear-gradient(135deg, #fef3c7 0%, #fffbeb 100%);
    border: 1px solid #fcd34d;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.custom-banner-content h3 {
    color: #92400e;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.custom-banner-content p {
    color: #b45309;
    font-size: 0.9375rem;
    margin: 0;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    width: 90%;
    max-width: 500px;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    position: relative;
    box-shadow: var(--shadow-2xl);
    text-align: center;
    transform: translateY(20px);
    transition: all var(--transition-slow);
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: color var(--transition-base);
    padding: var(--spacing-xs);
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    display: inline-block;
    animation: bounce 2s infinite;
}

.modal-content h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.modal-features {
    text-align: left;
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
}

.modal-features ul {
    display: grid;
    gap: var(--spacing-sm);
}

.modal-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.modal-features li::before {
    content: '✨';
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-10px);
    }

    60% {
        transform: translateY(-5px);
    }
}

@media (max-width: 768px) {
    .custom-banner {
        flex-direction: column;
        text-align: center;
    }
}