/**
 * Loki English Academy - Main Stylesheet
 * Preply-inspired Light Theme
 * Developed by yoloconsult.com with Love ❤️
 */

/* ============================================
   CSS VARIABLES & ROOT STYLES
============================================ */
:root {
    /* Preply-inspired color palette */
    --primary: #5624d0;
    --primary-light: #7c4dff;
    --primary-dark: #3d1a9b;
    --secondary: #00c896;
    --secondary-light: #00f5b8;
    --accent: #ff6b6b;

    /* Neutral colors */
    --white: #ffffff;
    --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;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Outfit', 'Inter', sans-serif;

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

    /* 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(86, 36, 208, 0.15);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
    list-style: none;
}

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
}

/* ============================================
   TYPOGRAPHY
============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

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

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

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

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: var(--space-md);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   LAYOUT & CONTAINER
============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
}

.section-header h2 {
    margin-bottom: var(--space-md);
}

.section-header p {
    color: var(--gray-500);
    font-size: 1.125rem;
}

/* ============================================
   BUTTONS
============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(86, 36, 208, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(86, 36, 208, 0.4);
}

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

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

.btn-success {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 200, 150, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 200, 150, 0.4);
}

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

.btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* ============================================
   NAVIGATION
============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-100);
    transition: var(--transition-base);
}

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

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    padding: 0 var(--space-lg);
    max-width: 1400px;
    margin: 0 auto;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.navbar-logo {
    height: 45px;
    width: auto;
}

.navbar-brand-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
}

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

.nav-link {
    font-weight: 500;
    color: var(--gray-600);
    padding: var(--space-sm) 0;
    position: relative;
}

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

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

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

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.lang-switcher {
    display: flex;
    gap: var(--space-xs);
    padding: var(--space-xs);
    background: var(--gray-100);
    border-radius: var(--radius-full);
}

.lang-btn {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    color: var(--gray-500);
    transition: var(--transition-fast);
}

.lang-btn:hover {
    color: var(--primary);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: var(--transition-fast);
}

/* ============================================
   HERO SECTION
============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 50%, rgba(86, 36, 208, 0.03) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -25%;
    width: 80%;
    height: 150%;
    background: radial-gradient(circle, rgba(86, 36, 208, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-2xl);
}

.hero-content {
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(86, 36, 208, 0.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.hero-badge i {
    font-size: 1rem;
}

.hero-title {
    margin-bottom: var(--space-lg);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-500);
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

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

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

.hero-stat-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.hero-stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.hero-visual {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

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

    50% {
        transform: translateY(-20px);
    }
}

.hero-image {
    width: 100%;
    max-width: 550px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.hero-float-card {
    position: absolute;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.hero-float-card.card-ai {
    top: 20%;
    right: -20px;
}

.hero-float-card.card-score {
    bottom: 20%;
    left: -20px;
}

.float-card-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.float-card-icon.purple {
    background: rgba(86, 36, 208, 0.1);
    color: var(--primary);
}

.float-card-icon.green {
    background: rgba(0, 200, 150, 0.1);
    color: var(--secondary);
}

.float-card-content span {
    display: block;
    font-size: 0.75rem;
    color: var(--gray-500);
}

.float-card-content strong {
    color: var(--gray-900);
}

/* ============================================
   FEATURES SECTION
============================================ */
.features {
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: var(--transition-base);
    border: 1px solid var(--gray-100);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
}

.feature-card:nth-child(2) .feature-icon {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
}

.feature-card:nth-child(3) .feature-icon {
    background: linear-gradient(135deg, var(--accent), #ff8e8e);
}

.feature-card h4 {
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--gray-500);
    font-size: 0.9375rem;
    margin: 0;
}

/* ============================================
   COURSES SECTION
============================================ */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.course-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border: 1px solid var(--gray-100);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--course-color, var(--primary));
}

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

.course-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: var(--space-lg);
    background: var(--course-color-light, rgba(86, 36, 208, 0.1));
    color: var(--course-color, var(--primary));
}

.course-card h4 {
    margin-bottom: var(--space-sm);
}

.course-card p {
    color: var(--gray-500);
    font-size: 0.9375rem;
    margin-bottom: var(--space-lg);
}

.course-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.course-feature {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    color: var(--gray-600);
}

.course-feature i {
    color: var(--secondary);
}

/* ============================================
   TEST LEAK SECTION
============================================ */
.testleak {
    background: linear-gradient(135deg, var(--gray-900), var(--gray-800));
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.testleak::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%239C92AC' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.testleak-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.testleak-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(0, 200, 150, 0.2);
    color: var(--secondary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.testleak h2 {
    color: var(--white);
    margin-bottom: var(--space-lg);
}

.testleak p {
    color: var(--gray-400);
    font-size: 1.125rem;
    line-height: 1.8;
}

.testleak-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.testleak-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.testleak-feature i {
    font-size: 1.25rem;
    color: var(--secondary);
    margin-top: 2px;
}

.testleak-feature span {
    color: var(--gray-300);
    font-size: 0.9375rem;
}

.testleak-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.testleak-animation {
    position: relative;
    width: 400px;
    height: 400px;
}

.testleak-circle {
    position: absolute;
    border-radius: 50%;
    border: 2px solid rgba(0, 200, 150, 0.3);
    animation: radar 3s ease-out infinite;
}

@keyframes radar {
    0% {
        transform: scale(0.5);
        opacity: 1;
    }

    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.testleak-circle:nth-child(1) {
    width: 100%;
    height: 100%;
    animation-delay: 0s;
}

.testleak-circle:nth-child(2) {
    width: 100%;
    height: 100%;
    animation-delay: 1s;
}

.testleak-circle:nth-child(3) {
    width: 100%;
    height: 100%;
    animation-delay: 2s;
}

.testleak-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    box-shadow: 0 0 60px rgba(0, 200, 150, 0.4);
}

/* ============================================
   DISCLAIMER SECTION
============================================ */
.disclaimer {
    background: var(--gray-50);
    border-top: 3px solid var(--primary);
}

.disclaimer-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border-left: 4px solid var(--primary);
    box-shadow: var(--shadow-md);
}

.disclaimer-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.disclaimer-header i {
    font-size: 1.5rem;
    color: var(--primary);
}

.disclaimer-header h3 {
    font-size: 1.25rem;
}

.disclaimer-content {
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.8;
}

.disclaimer-links {
    display: flex;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
    flex-wrap: wrap;
}

.disclaimer-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--primary);
    font-weight: 500;
    font-size: 0.875rem;
}

.disclaimer-link:hover {
    text-decoration: underline;
}

/* ============================================
   CTA SECTION
============================================ */
.cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    text-align: center;
}

.cta h2 {
    color: var(--white);
    margin-bottom: var(--space-md);
}

.cta p {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

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

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

.cta .btn:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.cta .btn-telegram {
    background: #0088cc;
    color: var(--white);
}

.cta .btn-telegram:hover {
    background: #006699;
}

/* ============================================
   FOOTER
============================================ */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: var(--space-3xl) 0 var(--space-xl);
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.footer-logo {
    height: 40px;
}

.footer-brand-text {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--white);
}

.footer-about p {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-300);
    transition: var(--transition-fast);
}

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

.social-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    font-size: 1.125rem;
}

.social-icon.telegram {
    background: rgba(0, 136, 204, 0.15);
    color: #0088cc;
}

.social-icon.telegram:hover {
    background: #0088cc;
    color: var(--white);
}

.social-icon.facebook {
    background: rgba(24, 119, 242, 0.15);
    color: #1877f2;
}

.social-icon.facebook:hover {
    background: #1877f2;
    color: var(--white);
}

.social-icon.instagram {
    background: linear-gradient(45deg, rgba(253, 29, 29, 0.15), rgba(131, 58, 180, 0.15));
    color: #e4405f;
}

.social-icon.instagram:hover {
    background: linear-gradient(45deg, #fd1d1d, #833ab4);
    color: var(--white);
}

.social-icon.tiktok {
    background: rgba(0, 0, 0, 0.1);
    color: #000;
}

.social-icon.tiktok:hover {
    background: #000;
    color: var(--white);
}

.captcha-group {
    background: var(--gray-50);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
}

.captcha-group label {
    margin-bottom: var(--space-sm);
}

.footer-column h5 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: var(--space-lg);
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

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

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    font-size: 0.9375rem;
}

.footer-contact i {
    color: var(--primary);
    margin-top: 3px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
}

.footer-dev a {
    color: var(--secondary);
}

.footer-dev a:hover {
    text-decoration: underline;
}

/* ============================================
   BLOG STYLES
============================================ */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-xl);
}

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

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

.blog-card-image {
    height: 200px;
    background: var(--gray-200);
    overflow: hidden;
}

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

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

.blog-card-content {
    padding: var(--space-lg);
}

.blog-card-meta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.blog-card-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.blog-card h4 {
    margin-bottom: var(--space-sm);
    transition: var(--transition-fast);
}

.blog-card:hover h4 {
    color: var(--primary);
}

.blog-card p {
    color: var(--gray-500);
    font-size: 0.9375rem;
    margin-bottom: var(--space-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card .read-more {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.blog-card .read-more i {
    transition: var(--transition-fast);
}

.blog-card:hover .read-more i {
    transform: translateX(5px);
}

/* ============================================
   CONTACT PAGE
============================================ */
.contact-section {
    padding-top: 120px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.contact-info h2 {
    margin-bottom: var(--space-lg);
}

.contact-info p {
    color: var(--gray-500);
    margin-bottom: var(--space-xl);
}

.contact-cards {
    display: grid;
    gap: var(--space-md);
}

.contact-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.contact-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.contact-card-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.contact-card-content h5 {
    margin-bottom: var(--space-xs);
}

.contact-card-content p {
    margin: 0;
    font-size: 0.9375rem;
}

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

.contact-form-wrapper h3 {
    margin-bottom: var(--space-xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 500;
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(86, 36, 208, 0.1);
}

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

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

/* ============================================
   ALERTS & MESSAGES
============================================ */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.alert-success {
    background: rgba(0, 200, 150, 0.1);
    color: var(--secondary);
    border: 1px solid var(--secondary);
}

.alert-error {
    background: rgba(255, 107, 107, 0.1);
    color: var(--accent);
    border: 1px solid var(--accent);
}

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

    .hero-visual {
        display: none;
    }

    .hero-subtitle {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

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

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

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

    .testleak-container {
        grid-template-columns: 1fr;
    }

    .testleak-visual {
        display: none;
    }

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

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

@media (max-width: 768px) {
    .navbar-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--space-lg);
        border-top: 1px solid var(--gray-100);
        box-shadow: var(--shadow-lg);
    }

    .navbar-nav.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }

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

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

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

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

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

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

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

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

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

.delay-300 {
    animation-delay: 0.3s;
}

.delay-400 {
    animation-delay: 0.4s;
}

.delay-500 {
    animation-delay: 0.5s;
}