/* ===================================
   Modern Professional Theme
   =================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

/* ===================================
   CSS Variables & Root Styles
   =================================== */
:root {
    /* Colors - Based on #1b3041 */
    --primary-color: #1b3041;
    --primary-light: #2a4458;
    --primary-dark: #0f1e2b;
    --accent-color: #3d7ea6;
    --accent-light: #5a9bc5;
    --accent-dark: #2a5a7a;
    --secondary-color: #d4af37;
    --secondary-light: #f0cb5c;
    --secondary-dark: #b89a2f;

    /* Gradients - Professional & Smooth */
    --primary-gradient: linear-gradient(135deg, #1b3041 0%, #2a4458 100%);
    --secondary-gradient: linear-gradient(135deg, #2a4458 0%, #3d7ea6 100%);
    --accent-gradient: linear-gradient(135deg, #d4af37 0%, #e8c04e 100%);
    --dark-gradient: linear-gradient(180deg, #0f1e2b 0%, #1b3041 100%);
    --vibrant-gradient: linear-gradient(135deg, #3d7ea6 0%, #5a9bc5 50%, #d4af37 100%);
    --shine-gradient: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(61, 126, 166, 0.1) 100%);

    /* Background Colors */
    --dark-bg: #0f1e2b;
    --light-bg: #f5f7fa;
    --card-bg: #ffffff;

    /* Text Colors */
    --text-primary: #1b3041;
    --text-secondary: #5a6c7d;
    --text-light: #8896a4;
    --text-white: #ffffff;

    /* Spacing */
    --section-padding: 100px;
    --card-padding: 30px;

    /* Effects */
    --border-radius: 16px;
    --border-radius-lg: 24px;
    --shadow-sm: 0 2px 8px rgba(27, 48, 65, 0.08);
    --shadow-md: 0 4px 20px rgba(27, 48, 65, 0.12);
    --shadow-lg: 0 10px 40px rgba(27, 48, 65, 0.18);
    --shadow-xl: 0 20px 60px rgba(27, 48, 65, 0.25);
    --shadow-accent: 0 10px 30px rgba(61, 126, 166, 0.3);

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: 'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--light-bg);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
    padding-top: 90px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

main#anasayfa {
    overflow: hidden;
}

.display-3 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.lead {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

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

/* ===================================
   Navigation
   =================================== */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1rem 0;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-md);
}

.navbar-brand img {
    transition: var(--transition);
}

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

.nav-link {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.5rem 1rem !important;
    margin: 0 0.25rem;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link:hover {
    color: var(--accent-color);
}

/* BASİT VE ÇALIŞAN MOBİL MENÜ */
@media (max-width: 991px) {
    .navbar-collapse {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        margin-top: 0.5rem;
        border-radius: 16px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-in-out, padding 0.3s ease-in-out;
        padding: 0 1.5rem;
    }

    .navbar-collapse.show {
        max-height: 600px;
        padding: 1.5rem;
    }

    .navbar-collapse.collapsing {
        max-height: 0;
        padding: 0 1.5rem;
    }

    .navbar-nav {
        flex-direction: column;
        gap: 0;
    }

    .nav-item {
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    .nav-item:last-child {
        border-bottom: none;
    }

    .nav-link {
        padding: 1rem 0 !important;
        margin: 0;
        font-size: 1rem;
        color: var(--primary-color);
        transition: all 0.3s ease;
        display: block;
    }

    .nav-link:hover {
        color: var(--accent-color);
        padding-left: 10px !important;
    }

    .nav-link.btn {
        margin: 1rem 0 0.5rem;
        padding: 0.875rem 1.5rem !important;
        border-radius: 50px;
        text-align: center;
        border-bottom: none;
    }

    .nav-link.btn-gradient {
        color: white;
        background: var(--primary-gradient);
    }

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

    .navbar-toggler {
        border: none;
        padding: 0.5rem;
        background: var(--light-bg);
        border-radius: 8px;
    }

    .navbar-toggler:focus {
        box-shadow: none;
    }
}

/* ===================================
   Buttons
   =================================== */
.btn {
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: 50px;
    border: none;
    transition: var(--transition);
    font-size: 0.95rem;
    text-transform: none;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 100%);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.btn:hover::before {
    opacity: 1;
}

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

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(61, 126, 166, 0.4);
    color: white;
}

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

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

.btn-gradient-outline {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box,
                var(--primary-gradient) border-box;
    color: var(--accent-color);
}

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

.btn-sm {
    padding: 0.5rem 1.5rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
}

/* ===================================
   Badges
   =================================== */
.badge {
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

.bg-gradient-primary {
    background: var(--primary-gradient);
}

.bg-gradient-custom {
    background: var(--secondary-gradient);
    color: white;
}

/* ===================================
   Section Spacing & Dividers
   =================================== */
section {
    margin-bottom: 0;
}

/* Hero has extra bottom margin */
.hero {
    margin-bottom: 2rem;
}

/* Expertise has extra spacing */
.expertise {
    margin-bottom: 0;
}

/* Achievements has extra top margin */
.achievements-section {
    margin-top: 2rem;
    margin-bottom: 2rem;
}

/* Divider Section - Full Width */
.divider-section {
    padding: 4rem 0;
    background: var(--light-bg);
    position: relative;
    overflow: hidden;
}

.divider-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.divider-line {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--accent-color) 50%, transparent 100%);
    opacity: 0.3;
}

.divider-icon {
    width: 60px;
    height: 60px;
    background: var(--vibrant-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--shadow-accent);
    animation: float 3s ease-in-out infinite;
}

/* Stats Banner - Full Width */
.stats-banner {
    padding: 5rem 3rem;
    position: relative;
    overflow: hidden;
    margin: 4rem 0;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

.stats-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    z-index: 0;
}

.stats-banner-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.stats-banner-content {
    position: relative;
    z-index: 1;
}

.stats-banner-title {
    color: white;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.stats-banner-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    line-height: 1.7;
    margin: 0;
}

/* Testimonials Section */
.testimonials-slider {
    padding: var(--section-padding) 0;
    background: transparent;
    margin: 4rem 0;
}

.testimonial-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 2px solid transparent;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(212, 175, 55, 0.3);
}

.testimonial-card.featured {
    border-color: var(--accent-color);
    box-shadow: 0 10px 40px rgba(61, 126, 166, 0.2);
}

.testimonial-card.featured:hover {
    border-color: var(--secondary-color);
}

.testimonial-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: var(--accent-gradient);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.testimonial-rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
    font-size: 1.125rem;
}

.testimonial-text {
    flex: 1;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    font-style: italic;
    position: relative;
}

.testimonial-text::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: -10px;
    font-size: 4rem;
    color: rgba(61, 126, 166, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 2px solid rgba(61, 126, 166, 0.1);
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--light-bg);
    box-shadow: var(--shadow-sm);
}

.testimonial-author h6 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.testimonial-author span {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    padding: var(--section-padding) 0;
    position: relative;
}

.hero-image-wrapper {
    position: relative;
}

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

.hero-image-wrapper:hover img {
    transform: scale(1.02);
}

.floating-card {
    position: absolute;
    bottom: 30px;
    right: 30px;
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    font-size: 2rem;
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.floating-card strong {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

/* Stats Row */
.stats-row {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    flex: 1;
    min-width: 120px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===================================
   Service Cards
   =================================== */
.expertise {
    padding: var(--section-padding) 0;
    background: var(--light-bg);
}

.service-card {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

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

.service-icon {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    z-index: 2;
}

.service-icon i {
    font-size: 1.75rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.service-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.service-content {
    padding: var(--card-padding);
}

.service-content h5 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

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

/* ===================================
   Achievements Section - WOW Effect (Light Theme)
   =================================== */
.achievements-section {
    position: relative;
    padding: var(--section-padding) 0;
}

.achievements-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.achievements-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(61, 126, 166, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.achievements-bg::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 10s ease-in-out infinite reverse;
}

.badge-shine {
    background: var(--accent-gradient);
    color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1px;
    box-shadow: 0 5px 25px rgba(212, 175, 55, 0.4);
    position: relative;
    overflow: hidden;
}

.badge-shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { left: -100%; }
    50%, 100% { left: 100%; }
}

/* Achievement Cards */
.achievement-card {
    background: white;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(61, 126, 166, 0.15);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem 1.5rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(27, 48, 65, 0.08);
}

.achievement-card:hover {
    transform: translateY(-10px) scale(1.02);
    background: white;
    border-color: rgba(212, 175, 55, 0.5);
    box-shadow: 0 20px 60px rgba(61, 126, 166, 0.2);
}

.achievement-shine {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(
        from 0deg,
        transparent 0deg,
        rgba(212, 175, 55, 0.15) 90deg,
        transparent 180deg
    );
    animation: rotate 6s linear infinite;
    opacity: 0;
    transition: var(--transition);
}

.achievement-card:hover .achievement-shine {
    opacity: 0.6;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.achievement-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--vibrant-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: 0 10px 30px rgba(61, 126, 166, 0.4);
    position: relative;
    z-index: 1;
}

.achievement-card:hover .achievement-icon {
    animation: bounce 0.6s ease;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.achievement-number {
    font-size: 3rem;
    font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.achievement-label {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    position: relative;
    z-index: 1;
}

/* Premium Course Cards */
.premium-course-card {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.premium-course-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 60px rgba(61, 126, 166, 0.3);
}

.course-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--accent-gradient);
    color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.85rem;
    z-index: 10;
    box-shadow: 0 5px 20px rgba(212, 175, 55, 0.5);
    letter-spacing: 0.5px;
}

.course-badge.badge-new {
    background: var(--secondary-gradient);
    color: white;
    box-shadow: 0 5px 20px rgba(61, 126, 166, 0.5);
}

.course-badge.pulse {
    animation: pulse 2s infinite;
}

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

.course-image-wrapper {
    position: relative;
    overflow: hidden;
    height: 300px;
}

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

.premium-course-card:hover .course-image-wrapper img {
    transform: scale(1.1);
}

.course-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(27, 48, 65, 0.92) 0%, rgba(27, 48, 65, 0.5) 50%, transparent 100%);
    padding: 2rem 1.5rem 1.5rem;
    transform: translateY(100%);
    transition: var(--transition);
}

.premium-course-card:hover .course-overlay {
    transform: translateY(0);
}

.course-stats {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.course-stats span {
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.course-content {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.course-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex: 1;
}

.course-highlights {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.highlight-pill {
    background: var(--shine-gradient);
    border: 1px solid rgba(61, 126, 166, 0.2);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.highlight-pill:hover {
    background: var(--secondary-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

.highlight-pill i {
    color: var(--accent-color);
}

.highlight-pill:hover i {
    color: white;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 2px solid rgba(27, 48, 65, 0.1);
    gap: 1rem;
    flex-wrap: wrap;
}

.course-price {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.price-old {
    color: var(--text-light);
    text-decoration: line-through;
    font-size: 0.95rem;
}

.price-new {
    color: var(--primary-color);
    font-size: 2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-premium {
    background: var(--primary-gradient);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    border: none;
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    box-shadow: 0 5px 20px rgba(61, 126, 166, 0.4);
    position: relative;
    overflow: hidden;
}

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

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

.btn-premium:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(61, 126, 166, 0.6);
    color: white;
}

.btn-premium i {
    transition: var(--transition);
}

.btn-premium:hover i {
    transform: translateX(5px);
}

/* Old Training Section - Keep for compatibility */
.trainings {
    padding: var(--section-padding) 0;
    background: white;
}

.training-card {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    height: 100%;
}

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

.training-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--accent-gradient);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.training-badge.badge-success {
    background: var(--secondary-gradient);
    color: white;
}

.training-badge i {
    margin-right: 0.5rem;
}

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

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

.training-content {
    padding: var(--card-padding);
}

.training-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.training-meta span {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.training-meta i {
    color: var(--accent-color);
}

.training-content h5 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

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

.training-features {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.training-features li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.training-features i {
    color: var(--secondary-color);
    font-size: 1rem;
}

/* ===================================
   FAQ Section
   =================================== */
.faq {
    padding: var(--section-padding) 0;
    background: var(--light-bg);
}

.accordion-custom .accordion-item {
    border: none;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    background: white;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
}

.accordion-custom .accordion-item:hover {
    box-shadow: var(--shadow-md);
}

.accordion-button {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
    background: white;
    border: none;
    padding: 1.5rem;
    box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
    background: var(--primary-color);
    color: white;
}

.accordion-button:not(.collapsed) i {
    color: var(--secondary-color);
}

.accordion-button i {
    color: var(--accent-color);
    font-size: 1.25rem;
}

.accordion-body {
    padding: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
    background: white;
}

/* ===================================
   CTA Section
   =================================== */

.cta-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.cta-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.cta-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(27, 48, 65, 0.92) 0%, rgba(61, 126, 166, 0.92) 100%);
}

.cta-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-content {
    position: relative;
    z-index: 1;
    padding: 5rem 2rem;
    text-align: center;
    color: white;
}

.cta-content h3 {
    color: white;
    margin-bottom: 1rem;
}

.cta-content .lead {
    color: rgba(255, 255, 255, 0.9);
}

.cta-content .btn-light {
    background: white;
    color: var(--accent-color);
}

.cta-content .btn-light:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

.cta-content .btn-outline-light {
    border: 2px solid white;
    color: white;
}

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

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--primary-color);
    color: white;
    padding: 4rem 0 2rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(15, 30, 43, 0.5) 0%, rgba(27, 48, 65, 1) 100%);
    z-index: 0;
}

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

.footer-brand img {
    box-shadow: var(--shadow-lg);
}

.text-light-gray {
    color: rgba(255, 255, 255, 0.7);
}

.footer-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.footer-links a:hover {
    color: white;
    transform: translateX(5px);
}

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

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact i {
    color: var(--accent-color);
    font-size: 1.1rem;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

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

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

.social-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.1rem;
}

.social-icon:hover {
    background: var(--secondary-gradient);
    transform: translateY(-3px);
    color: white;
    box-shadow: var(--shadow-accent);
}

.payment-methods {
    display: flex;
    gap: 1rem;
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.7);
}

.payment-methods i {
    transition: var(--transition);
}

.payment-methods i:hover {
    color: white;
    transform: scale(1.1);
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 3rem 0 2rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom-links {
    display: flex;
    gap: 2rem;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: var(--transition);
}

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

/* ===================================
   Back to Top Button
   =================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ===================================
   Contact Buttons (WhatsApp & Phone)
   =================================== */
.contact-buttons {
    position: fixed;
    bottom: 30px;
    left: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
}

.contact-btn {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    position: relative;
}

.contact-btn:hover {
    transform: translateY(-5px) scale(1.08);
    box-shadow: 0 8px 35px rgba(0, 0, 0, 0.35);
    color: white;
}

.contact-btn::before {
    content: attr(data-tooltip);
    position: absolute;
    left: 75px;
    background: rgba(27, 48, 65, 0.95);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.contact-btn:hover::before {
    opacity: 1;
    visibility: visible;
    left: 80px;
}

.contact-btn-whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #1EBE5C 100%);
    animation: pulse-whatsapp 2.5s ease-in-out infinite;
}

.contact-btn-whatsapp:hover {
    box-shadow: 0 8px 35px rgba(37, 211, 102, 0.5);
}

.contact-btn-phone {
    background: linear-gradient(135deg, #3d7ea6 0%, #2a5a7a 100%);
}

.contact-btn-phone:hover {
    box-shadow: 0 8px 35px rgba(61, 126, 166, 0.5);
}

@keyframes pulse-whatsapp {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 6px 35px rgba(37, 211, 102, 0.7);
        transform: scale(1.03);
    }
}

/* ===================================
   Utility Classes
   =================================== */
.rounded-4 {
    border-radius: var(--border-radius-lg) !important;
}

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

/* ===================================
   Responsive Design - CLEAN & MODERN
   =================================== */

/* Tablet Devices */
@media (max-width: 991px) {
    :root {
        --section-padding: 80px;
    }

    .hero {
        padding: 80px 0 60px;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* Mobile Devices - BAŞTAN TASARIM */
@media (max-width: 767px) {
    :root {
        --section-padding: 60px;
    }

    /* Typography */
    .display-3 {
        font-size: 2.25rem;
    }

    .section-title {
        font-size: 1.85rem;
    }

    /* Hero */
    .hero {
        padding: 60px 0 40px;
        text-align: center;
    }

    .hero .d-flex {
        flex-direction: column;
        align-items: center;
    }

    .hero .btn {
        width: 100%;
        max-width: 280px;
    }

    .stats-row {
        gap: 1.5rem;
    }

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

    /* Service Cards */
    .service-card {
        margin-bottom: 2rem;
    }

    /* Stats Banner */
    .stats-banner {
        padding: 3rem 2rem;
        text-align: center;
    }

    .stats-banner .btn {
        width: 100%;
        margin-top: 1rem;
    }

    /* Achievement Cards */
    .achievement-card {
        margin-bottom: 1.5rem;
    }

    /* Course Cards */
    .premium-course-card {
        margin-bottom: 2rem;
    }

    .course-footer {
        flex-direction: column;
        text-align: center;
    }

    .btn-premium {
        width: 100%;
    }

    /* Testimonials */
    .testimonial-card {
        margin-bottom: 1.5rem;
    }

    /* CTA */
    .cta-content {
        padding: 3rem 1.5rem;
    }

    .cta-content .d-flex {
        flex-direction: column;
    }

    .cta-content .btn {
        width: 100%;
    }

    /* Footer Mobile Optimization */
    .footer {
        padding: 2.5rem 0 1.5rem;
    }

    .footer .row {
        text-align: center;
    }

    .footer .col-lg-4,
    .footer .col-lg-2,
    .footer .col-lg-3 {
        margin-bottom: 2rem;
    }

    .footer-brand {
        margin-bottom: 1.5rem;
    }

    .footer-brand img {
        margin: 0 auto 1rem;
    }

    .footer-title {
        font-size: 1.125rem;
        margin-bottom: 1rem;
        margin-top: 0;
    }

    .footer-links {
        margin-bottom: 1.5rem;
    }

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

    .footer-contact li {
        justify-content: center;
        margin-bottom: 0.75rem;
    }

    .social-icons {
        justify-content: center;
        margin: 1.5rem 0;
    }

    .payment-methods {
        justify-content: center;
        margin: 1rem 0;
    }

    .footer-bottom {
        padding-top: 1.5rem;
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .footer-bottom p {
        margin: 0;
        font-size: 0.875rem;
    }

    .footer-bottom-links {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .footer-bottom-links a {
        font-size: 0.875rem;
    }

    /* Contact Buttons Mobile */
    .contact-buttons {
        bottom: 20px;
        left: 20px;
        gap: 12px;
    }

    .contact-btn {
        width: 60px;
        height: 60px;
        font-size: 1.85rem;
    }

    .contact-btn::before {
        display: none; /* Hide tooltips on mobile */
    }

    .contact-btn:hover {
        transform: scale(1.05);
    }

    /* Back to Top Mobile */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
}

/* ===================================
   Performance Optimizations
   =================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Optimize animations */
.service-card,
.training-card,
.btn,
.nav-link {
    will-change: transform;
}

/* Image optimization */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Prevent layout shift */
.service-image,
.training-card img {
    aspect-ratio: 16 / 9;
}