/* ===========================================
   HIPA Website - Main Stylesheet
   Professional Accounting Education Center
   =========================================== */

/* CSS Variables - WCAG mos, premium, ko'zga qulay */
:root {
    /* HIPA Brend - faqat accent: tugmalar, hover, aktiv menyu */
    --primary-red: #E31E24;
    --dark-red: #C41E24;
    --light-red: #F5A5A8;
    --accent-red: #E63946;
    --primary-gold: #E31E24;
    --dark-gold: #C41E24;
    --light-gold: #FCE8E9;
    --accent-gold: #E63946;
    
    /* Issiq, ko'zga yoqimli fonlar - sof oq o'rniga */
    --bg-soft: #F8F9FB;
    --bg-cream: #FAFAF8;
    --bg-warm: #FBFBFA;
    --bg-card: #FEFEFE;
    --bg-section-alt: #F5F6F8;
    
    /* Professional kulrang palitra */
    --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;
    
    /* Yumshoq to'q - sof qora o'rniga */
    --text-primary: #1F2937;
    --text-secondary: #4B5563;
    --text-muted: #6B7280;
    --text-light: #9CA3AF;
    
    /* Secondary */
    --secondary: #374151;
    --secondary-light: #4B5563;
    
    /* Legacy */
    --charcoal: #1F2937;
    --dark-gray: #374151;
    --medium-gray: #4B5563;
    --light-gray: #E5E7EB;
    --off-white: #F8F9FB;
    --white: #FEFEFE;
    
    /* Functional Colors */
    --success: #10B981;
    --error: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

/* ===========================================
   Reset & Base Styles
   =========================================== */

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

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

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
}

body {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-soft);
    overflow-x: hidden;
}

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

/* Prevent horizontal overflow on all screens */
body, html {
    max-width: 100vw;
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

/* ===========================================
   Typography
   =========================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

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: clamp(1.25rem, 2.5vw, 1.75rem); }
h5 { font-size: clamp(1.1rem, 2vw, 1.5rem); }
h6 { font-size: clamp(1rem, 1.5vw, 1.25rem); }

p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.25rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    text-align: center;
    border: 2px solid transparent;
}

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

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

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

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

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-course {
    background: var(--light-gray);
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
}

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

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    display: inline-block;
    background: var(--gray-100);
    color: var(--text-secondary);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

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

.section-description {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ===========================================
   Preloader
   =========================================== */

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--light-gold);
    border-top-color: var(--primary-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

.preloader-text {
    display: none;
}

.preloader-logo {
    max-width: 220px;
    height: auto;
    margin-top: 1rem;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(254, 254, 254, 0.97);
    backdrop-filter: blur(20px);
    padding: 1.25rem 0;
    z-index: 1000;
    transition: all var(--transition-base);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
    border-bottom-color: var(--light-gray);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 72px;
    width: auto;
    max-width: 240px;
    object-fit: contain;
}

@media (max-width: 768px) {
    .logo-img {
        height: 56px;
        max-width: 180px;
    }
}

@media (max-width: 480px) {
    .logo-img {
        height: 48px;
        max-width: 150px;
    }
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-primary);
    position: relative;
    padding: 0.5rem 0;
}

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

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

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.lang-switcher {
    display: flex;
    gap: 0.5rem;
    background: var(--light-gray);
    padding: 0.4rem;
    border-radius: var(--radius-sm);
}

.lang-btn {
    padding: 0.4rem 1rem;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 24px;
}

.mobile-toggle span {
    width: 100%;
    height: 3px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: all var(--transition-base);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-warm) 0%, var(--bg-soft) 50%, var(--gray-100) 100%);
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(107, 114, 128, 0.04) 0%, transparent 50%);
    animation: heroFloat 20s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-30px, 30px) rotate(5deg); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path d="M0,0V120H1200V0Z" fill="rgba(255,255,255,0.05)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    animation: fadeInUp 1s ease-out;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--secondary);
}

.hero-badge i {
    font-size: 1.25rem;
}

.hero-title {
    margin-bottom: 1.5rem;
    line-height: 1.1;
    color: var(--text-primary);
}

.hero-title .highlight {
    color: var(--primary-gold);
    display: block;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    max-width: 600px;
    color: var(--text-secondary);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
}

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

.stat-number {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.hero-image {
    position: relative;
    animation: fadeInUp 1s ease-out 0.3s backwards;
}

.hero-image img {
    width: 100%;
    height: 550px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.hero-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: floatCard 3s ease-in-out infinite;
}

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

.hero-card-1 {
    top: 10%;
    right: -5%;
}

.hero-card-2 {
    bottom: 15%;
    left: -5%;
    animation-delay: 1.5s;
}

.card-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-gold), var(--accent-gold));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.card-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.card-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: bounce 2s ease-in-out infinite;
}

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

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--primary-gold);
    border-radius: 15px;
    margin: 0 auto 0.5rem;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--primary-gold);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 1.5s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% { top: 8px; opacity: 1; }
    50% { top: 18px; opacity: 0; }
}

.scroll-indicator p {
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Batafsil button */
.btn-batafsil {
    padding: 0.6rem 1.25rem;
    font-size: 0.9rem;
    background: transparent;
    color: var(--primary-gold);
    border: 2px solid var(--primary-gold);
    border-radius: var(--radius-md);
}

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

.feature-card .btn-batafsil {
    margin-top: 1rem;
}

/* Hidden content for modal (not displayed on page) */
.modal-content-hidden {
    display: none !important;
}

/* Modal overlay */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(31, 41, 55, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.modal-box {
    background: var(--white);
    border-radius: var(--radius-xl);
    max-width: 560px;
    width: 100%;
    max-height: 85vh;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: transform 0.3s ease;
    position: relative;
}

.modal-overlay.active .modal-box {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--light-gray);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    z-index: 2;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--primary-gold);
    color: var(--white);
}

.modal-body {
    padding: 2.5rem 2rem 2rem;
    overflow-y: auto;
    max-height: 85vh;
}

.modal-body h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    padding-right: 2.5rem;
}

.modal-body p {
    line-height: 1.8;
    color: var(--text-secondary);
}

/* ===========================================
   About/Features Section
   =========================================== */

.about {
    padding: 6rem 0;
    background: var(--bg-section-alt);
    position: relative;
}

.about-bg-image {
    position: absolute;
    top: 0;
    right: 0;
    width: 45%;
    max-width: 600px;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1560472354-b33ff0c44a43?w=800&q=80') right top/cover no-repeat;
    opacity: 0.06;
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-soft);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gray-300);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gray-300);
}

.feature-card:hover::before {
    transform: scaleX(1);
    background: var(--primary-red);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gray-700);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: background var(--transition-base);
}

.feature-card:hover .feature-icon {
    background: var(--primary-red);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    font-size: 1rem;
    line-height: 1.7;
}

/* ===========================================
   Teachers Section
   =========================================== */

.teachers {
    padding: 6rem 0;
    background: var(--bg-card);
    overflow: hidden;
    position: relative;
}

.teachers-carousel-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: 2rem 0;
}

.teachers-carousel {
    display: flex;
    gap: 2.5rem;
    animation: scrollTeachers 40s linear infinite;
    will-change: transform;
    width: fit-content;
}

.teachers-carousel:hover {
    animation-play-state: paused;
}

@keyframes scrollTeachers {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-50% - 1.25rem));
    }
}

.teacher-card {
    flex: 0 0 auto;
    width: 320px;
    text-align: center;
    transition: transform var(--transition-base);
    padding: 0 0.5rem;
}

.teacher-card:hover {
    transform: translateY(-10px);
}

.teacher-image-wrapper {
    width: 280px;
    height: 280px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--gray-200);
    box-shadow: 0 10px 40px rgba(31, 41, 55, 0.1);
    position: relative;
    background: var(--gray-100);
    transition: border-color var(--transition-base);
}

.teacher-card:hover .teacher-image-wrapper {
    border-color: var(--primary-red);
}

.teacher-image-wrapper::before {
    display: none;
}

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

.teacher-card:hover .teacher-image {
    transform: scale(1.1);
}

.teacher-info {
    padding: 0 0.5rem;
}

.teacher-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-family: 'Cormorant Garamond', serif;
}

.teacher-position {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.teacher-education {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    line-height: 1.5;
}

.teacher-education i {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.teacher-experience {
    font-size: 0.875rem;
    color: var(--text-light);
    font-style: italic;
    margin-top: 0.5rem;
}

/* ===========================================
   Courses Section
   =========================================== */

/* ===========================================
   Premium Courses Section (Timeline)
   =========================================== */

.courses-premium {
    padding: 8rem 0;
    background: var(--bg-section-alt);
    position: relative;
}

.section-header-premium {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title-premium {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-family: 'Cormorant Garamond', serif;
}

.section-description-premium {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.courses-timeline {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    padding-left: 4rem;
}

.timeline-course {
    position: relative;
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.timeline-course.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-marker {
    position: absolute;
    left: -4rem;
    top: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.marker-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 4px solid var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(31, 41, 55, 0.08);
    position: relative;
    z-index: 2;
    transition: all var(--transition-base);
}

.timeline-course:hover .marker-circle {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(31, 41, 55, 0.12);
    background: var(--primary-red);
    border-color: var(--primary-red);
}

.timeline-course:hover .marker-number {
    color: var(--white);
}

.marker-number {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-600);
    transition: color var(--transition-base);
}

.timeline-line {
    width: 2px;
    flex: 1;
    background: linear-gradient(180deg, var(--gray-300) 0%, var(--gray-200) 100%);
    margin-top: 1rem;
    min-height: 100px;
}

.timeline-course:last-child .timeline-line {
    display: none;
}

.course-card-premium {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(227, 30, 36, 0.1);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.course-card-premium::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-red);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform var(--transition-base);
}

.timeline-course:hover .course-card-premium {
    box-shadow: 0 8px 40px rgba(31, 41, 55, 0.1);
    transform: translateX(10px);
    border-color: var(--gray-300);
}

.timeline-course:hover .course-card-premium::before {
    transform: scaleY(1);
}

.course-header-premium {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.course-icon-premium {
    width: 70px;
    height: 70px;
    background: var(--gray-200);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--gray-600);
    transition: all var(--transition-base);
}

.timeline-course:hover .course-icon-premium {
    background: var(--primary-red);
    color: var(--white);
    transform: rotate(5deg) scale(1.05);
}

.course-level-badge {
    background: var(--gray-200);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 700;
    margin-left: auto;
}

.course-content-premium {
    padding-left: 0.5rem;
}

.course-title-premium {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    font-family: 'Cormorant Garamond', serif;
    line-height: 1.3;
}

.course-outcomes {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.outcome-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.timeline-course:hover .outcome-item {
    color: var(--text-primary);
}

.outcome-item i {
    color: var(--gray-500);
    font-size: 0.875rem;
    flex-shrink: 0;
}

.course-meta-premium {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.meta-item i {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.btn-course-expand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    background: transparent;
    border: 2px solid var(--primary-gold);
    color: var(--primary-gold);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-base);
    width: 100%;
    justify-content: center;
}

.btn-course-expand:hover {
    background: var(--primary-red);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(227, 30, 36, 0.3);
}

.btn-course-expand i {
    transition: transform var(--transition-base);
}

.btn-course-expand.active i {
    transform: rotate(180deg);
}

.course-details-premium {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.5s ease;
    padding: 0;
}

.course-details-premium.active {
    max-height: 500px;
    padding: 2rem 0 0;
    border-top: 1px solid var(--gray-200);
    margin-top: 1.5rem;
}

.details-content h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-family: 'Cormorant Garamond', serif;
}

.details-content p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.details-actions {
    display: flex;
    gap: 1rem;
}

.btn-enroll-premium {
    padding: 0.875rem 2rem;
    background: var(--primary-gold);
    color: var(--white);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-enroll-premium:hover {
    background: var(--dark-red);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(227, 30, 36, 0.3);
}

.courses {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--off-white) 50%, var(--white) 100%);
}

/* Yangi Kurslar Dizayni */
.courses-layout-new {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.course-item-new {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
    transition: all var(--transition-base);
    position: relative;
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.course-item-new:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-gold);
}

.course-item-featured {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--bg-card) 100%);
    border-color: var(--primary-gold);
}

.course-badge-new {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--primary-gold);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.course-icon-new {
    width: 80px;
    height: 80px;
    min-width: 80px;
    background: linear-gradient(135deg, var(--primary-gold), var(--accent-gold));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.course-info-new {
    flex: 1;
}

.course-level-new {
    display: inline-block;
    background: var(--light-gold);
    color: var(--dark-gold);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.course-title-new {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-family: 'Cormorant Garamond', serif;
}

.course-desc-new {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.course-meta-new {
    margin-bottom: 1.5rem;
}

.course-duration-new {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.course-duration-new i {
    color: var(--primary-gold);
}

.course-actions-new {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-batafsil-new {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    background: transparent;
    color: var(--primary-gold);
    border: 2px solid var(--primary-gold);
    border-radius: var(--radius-md);
}

.btn-batafsil-new:hover {
    background: var(--primary-gold);
    color: var(--white);
}

.btn-enroll-new {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    background: var(--light-gray);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    font-weight: 600;
}

.btn-enroll-new:hover {
    background: var(--primary-gold);
    color: var(--white);
}

.btn-enroll-featured {
    background: var(--primary-gold);
    color: var(--white);
}

.btn-enroll-featured:hover {
    background: var(--dark-gold);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.course-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
}

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

.course-card-featured {
    border: 3px solid var(--primary-gold);
}

.featured-tag {
    position: absolute;
    top: 20px;
    left: -35px;
    background: var(--primary-gold);
    color: var(--white);
    padding: 0.5rem 3rem;
    font-weight: 700;
    font-size: 0.875rem;
    transform: rotate(-45deg);
    z-index: 10;
    box-shadow: var(--shadow-md);
}

.course-image {
    position: relative;
    height: 250px;
    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(1.1);
}

.course-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    color: var(--primary-gold);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.875rem;
    box-shadow: var(--shadow-sm);
}

.course-badge.featured {
    background: var(--primary-gold);
    color: var(--white);
}

.course-content {
    padding: 2rem;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.course-level {
    background: var(--light-gold);
    color: var(--dark-gold);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 700;
}

.course-duration {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.course-content h3 {
    font-size: 1.625rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.course-content > p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.course-features {
    margin-bottom: 2rem;
}

.course-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.course-features li i {
    color: var(--primary-gold);
    margin-top: 0.25rem;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 2px solid var(--light-gray);
    gap: 1rem;
    flex-wrap: wrap;
}

.course-footer-no-price {
    justify-content: flex-end;
}

.course-footer-no-price .btn-batafsil {
    order: 1;
}

.course-footer-no-price .btn-course {
    order: 2;
}

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

.course-card-info .course-price {
    display: none;
}

.price-label {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.price-value {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-gold);
}

/* Kurslar bo'limi - faqat ma'lumot, professional stil */
.course-card-info .course-content {
    padding: 1.75rem 2rem;
}

.courses .section-description {
    max-width: 640px;
}

/* ===========================================
   Testimonials Section
   =========================================== */

.testimonials {
    padding: 6rem 0;
    background: var(--bg-section-alt);
    position: relative;
}

.testimonials-bg-image {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40%;
    max-width: 500px;
    height: 70%;
    background: url('https://images.unsplash.com/photo-1579621970563-ebec7560ff3e?w=700&q=80') left bottom/cover no-repeat;
    opacity: 0.05;
    pointer-events: none;
}

.testimonials::before {
    content: '"';
    position: absolute;
    top: 10%;
    left: 5%;
    font-size: 15rem;
    font-family: 'Cormorant Garamond', serif;
    color: rgba(107, 114, 128, 0.06);
    z-index: 0;
    line-height: 1;
}

.testimonials .container {
    position: relative;
    z-index: 1;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
    position: relative;
    z-index: 1;
}

.testimonial-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    transition: all var(--transition-base);
}

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

.testimonial-rating {
    color: #FFD700;
    text-shadow: 0 0 6px rgba(255, 215, 0, 0.6);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.testimonial-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--light-gray);
}

.author-avatar {
    width: 60px;
    height: 60px;
    min-width: 60px;
    border-radius: 50%;
    background: var(--secondary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
    overflow: hidden;
}

.author-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-initials {
    display: block;
}

.author-info h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

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


.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-base);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--gray-400);
    box-shadow: 0 0 0 3px rgba(107, 114, 128, 0.15);
}


/* ===========================================
   Contact Section
   =========================================== */

.contact {
    padding: 6rem 0;
    background: var(--bg-soft);
}

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

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-info > p {
    font-size: 1.125rem;
    margin-bottom: 3rem;
}

.contact-details {
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 55px;
    height: 55px;
    background: var(--gray-700);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.contact-text p {
    font-size: 1rem;
    line-height: 1.6;
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    transition: all 0.35s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.social-links {
    display: flex;
    justify-content: center; /* markaz */
    align-items: center;
    gap: 24px;               /* ikonlar orasidagi masofa */
}

/* ICON ichidagi animatsiya uchun */
.social-link i {
    transition: transform 0.4s ease;
}

/* Telegram */
.telegram {
    background: #0088cc;
}

/* Instagram (original gradient) */
.instagram {
    background: radial-gradient(circle at 30% 107%,
        #fdf497 0%,
        #fd5949 45%,
        #d6249f 60%,
        #285AEB 90%);
}

/* Facebook */
.facebook {
    background: #1877F2;
}

/* YouTube */
.youtube {
    background: #FF0000;
}

/* ===== HOVER EFFECT ===== */
.social-link:hover {
    transform: translateY(-6px) scale(1.08);
    box-shadow: 0 10px 22px rgba(0,0,0,0.25);
}

/* icon aylanish effekti */
.social-link:hover i {
    transform: rotate(18deg) scale(1.15);
}

.contact-form-wrapper {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.contact-form-wrapper:hover {
    border-color: var(--gray-300);
}

.contact-form h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.contact-form .form-group {
    position: relative;
}

.contact-form .form-group label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--text-light);
    font-weight: 500;
    transition: all var(--transition-base);
    pointer-events: none;
    font-size: 0.9375rem;
}

.contact-form .form-group input:not(:placeholder-shown) + label,
.contact-form .form-group textarea:not(:placeholder-shown) + label,
.contact-form .form-group select:not([value=""]) + label,
.contact-form .form-group input:focus + label,
.contact-form .form-group textarea:focus + label {
    top: -0.5rem;
    left: 0.75rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--bg-card);
    padding: 0 0.5rem;
}

.contact-form .field-error {
    display: none;
    font-size: 0.8125rem;
    color: var(--error);
    margin-top: 0.375rem;
    line-height: 1.4;
}

.contact-form .form-group input.input-error,
.contact-form .form-group select.input-error {
    border-color: var(--error);
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.15);
}

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

.footer {
    background: var(--gray-800);
    color: rgba(255, 255, 255, 0.85);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo-img {
    height: 72px;
    width: auto;
    max-width: 220px;
    margin-bottom: 1rem;
    object-fit: contain;
}

.footer-col p {
    line-height: 1.8;
    margin-bottom: 1rem;
}

.footer-col h4 {
    color: var(--gray-50);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-base);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a:hover {
    color: var(--primary-gold);
}

.footer-links i {
    color: var(--gray-400);
    font-size: 0.875rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9375rem;
}

/* ===========================================
   Back to Top Button
   =========================================== */

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary-gold);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--dark-gold);
    transform: translateY(-5px);
}

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

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .teacher-card {
        width: 270px;
    }
    
    .teacher-image-wrapper {
        width: 220px;
        height: 220px;
    }
    
    .teachers-carousel {
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-base);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }
    
    .hero-card {
        padding: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-form-wrapper {
        padding: 2rem;
    }
    
    .teacher-card {
        width: 240px;
    }
    
    .teacher-image-wrapper {
        width: 200px;
        height: 200px;
    }
    
    .teachers-carousel {
        gap: 1.5rem;
        animation-duration: 35s;
    }
    
    .course-item-new {
        flex-direction: column;
        padding: 2rem;
    }
    
    .course-icon-new {
        align-self: flex-start;
    }
    
    .course-actions-new {
        flex-direction: column;
    }
    
    .btn-batafsil-new,
    .btn-enroll-new {
        width: 100%;
        justify-content: center;
    }
    
    .courses-timeline {
        padding-left: 3rem;
    }
    
    .timeline-marker {
        left: -3rem;
    }
    
    .marker-circle {
        width: 50px;
        height: 50px;
    }
    
    .course-card-premium {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .courses-grid,
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .teacher-card {
        width: 220px;
    }
    
    .teacher-image-wrapper {
        width: 180px;
        height: 180px;
    }
    
    .teacher-name {
        font-size: 1.25rem;
    }
    
    .teachers-carousel {
        gap: 1rem;
        animation-duration: 30s;
    }
    
    .course-item-new {
        padding: 1.5rem;
    }
    
    .course-icon-new {
        width: 60px;
        height: 60px;
        min-width: 60px;
        font-size: 1.5rem;
    }
    
    .course-title-new {
        font-size: 1.5rem;
    }
    
    .courses-timeline {
        padding-left: 2rem;
    }
    
    .timeline-marker {
        left: -2rem;
    }
    
    .marker-circle {
        width: 40px;
        height: 40px;
    }
    
    .marker-number {
        font-size: 1rem;
    }
    
    .course-card-premium {
        padding: 1.5rem;
    }
    
    .course-header-premium {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .course-icon-premium {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .course-title-premium {
        font-size: 1.5rem;
    }
    
    .course-meta-premium {
        flex-direction: column;
        gap: 0.75rem;
    }
}