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

/* Global Stil ve Değişkenler */
:root {
    --color-dark-bg: #0b0f19;
    --color-card-bg: rgba(255, 255, 255, 0.03);
    --color-text-light: #ffffff;
    --color-primary-cyan: #00f2fe;
    --color-secondary-orange: #ff512f;
    --color-dark-text: #94a3b8;
    --font-main: 'Plus Jakarta Sans', sans-serif;

    /* Gelişmiş Tasarım Elementleri */
    --glass-bg: rgba(11, 15, 25, 0.7);
    --glass-border: rgba(255, 255, 255, 0.06);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.light-theme {
    --color-dark-bg: #f8fafc;
    --color-card-bg: #ffffff;
    --color-text-light: #0f172a;
    --color-primary-cyan: #0ea5e9;
    --color-secondary-orange: #f97316;
    --color-dark-text: #475569;

    /* Gelişmiş Tasarım Elementleri */
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(15, 23, 42, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(15, 23, 42, 0.05);
    --card-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

html,
body {
    height: 100%;
}

body {
    background-color: var(--color-dark-bg);
    color: var(--color-text-light);
    font-family: var(--font-main);
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Başlık (Header) ve Navigasyon */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 5%;
    background-color: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--glass-shadow);
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-text-light);
    letter-spacing: 0.5px;
}

.logo span {
    color: var(--color-primary-cyan);
    position: relative;
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links a {
    color: var(--color-dark-text);
    text-decoration: none;
    margin-left: 25px;
    font-size: 15px;
    font-weight: 500;
    padding: 6px 0;
    transition: var(--transition-smooth);
    border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-primary-cyan);
    border-bottom: 2px solid var(--color-primary-cyan);
}

.theme-toggle {
    cursor: pointer;
    font-size: 20px;
    margin-left: 30px;
    user-select: none;
    transition: transform 0.2s ease;
}

.theme-toggle:hover {
    transform: scale(1.15);
}

/* Ana Bölüm (Hero Section) */
.hero-section {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    height: 100vh;
    padding: 0 10%;
    position: relative;
    text-align: left;
    overflow: hidden;
    flex: 1;
}

.hero-visual {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-dark-bg);
    background-image:
        linear-gradient(to right, var(--color-dark-bg) 0%, rgba(11, 15, 25, 0) 30%, rgba(11, 15, 25, 0) 70%, var(--color-dark-bg) 100%),
        linear-gradient(135deg, rgba(11, 15, 25, 0.4) 0%, rgba(11, 15, 25, 0.05) 100%),
        url('../images/Cinar.png');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    opacity: 1;
    z-index: 1;
    pointer-events: none;
    filter: contrast(1.1) brightness(1.05);
}

.light-theme .hero-visual {
    background-color: var(--color-dark-bg);
    background-image:
        linear-gradient(to right, var(--color-dark-bg) 0%, rgba(248, 250, 252, 0) 30%, rgba(248, 250, 252, 0) 70%, var(--color-dark-bg) 100%),
        linear-gradient(135deg, rgba(248, 250, 252, 0.4) 0%, rgba(248, 250, 252, 0.1) 100%),
        url('../images/Cinar.png');
    filter: contrast(1.05) brightness(1.02);
}

/* Landscape/Desktop optimization to display the entire tree without cropping, enlarged by 5% */
@media (min-aspect-ratio: 1/1) {

    .hero-visual,
    .light-theme .hero-visual {
        background-size: auto 125%;
    }
}

.bilge-character {
    position: absolute;
    right: 8%;
    bottom: 0%;
    width: 220px;
    height: auto;
    z-index: 3;
    filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.5));
    animation: float 4s ease-in-out infinite;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.bilge-character:hover {
    transform: scale(1.05) translateY(-5px);
}

.speech-bubble {
    position: absolute;
    right: 8%;
    bottom: 250px;
    background: var(--color-primary-cyan);
    color: #0b0f19;
    padding: 15px 25px;
    border-radius: 20px;
    font-size: 15px;
    font-weight: 700;
    z-index: 4;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-smooth);
    pointer-events: none;
    white-space: nowrap;
    box-shadow: 0 10px 25px rgba(0, 242, 254, 0.3);
    text-align: center;
}

.speech-bubble::after {
    content: '';
    position: absolute;
    bottom: -9px;
    left: 50%;
    transform: translateX(-50%);
    border-top: 10px solid var(--color-primary-cyan);
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
}

.bilge-character:hover+.speech-bubble {
    opacity: 1;
    transform: translateY(0);
}

@keyframes float {

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

    50% {
        transform: translateY(-15px);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 750px;
    padding-bottom: 50px;
}

.main-headline {
    font-size: 56px;
    line-height: 1.15;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -1px;
}

.main-headline .arrow {
    font-size: 45px;
    margin-right: 15px;
    display: inline-block;
    color: var(--color-primary-cyan);
}

.main-headline .animated-text {
    background: linear-gradient(90deg, var(--color-secondary-orange), #ff8c00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: opacity 0.3s;
}

.sub-headline {
    font-size: 18px;
    color: var(--color-dark-text);
    margin-bottom: 40px;
    line-height: 1.6;
}

.sub-headline strong {
    color: var(--color-primary-cyan);
    font-weight: 700;
}

.light-theme .sub-headline {
    color: #1e293b;
}

.light-theme .sub-headline strong {
    color: #0284c7;
}

/* CTA Butonları */
.cta-buttons {
    display: flex;
    gap: 20px;
}

.cta-button {
    padding: 16px 36px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-smooth);
    display: inline-block;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

.btn-orange {
    background: linear-gradient(135deg, var(--color-secondary-orange) 0%, #e03e1d 100%);
    color: #ffffff;
}

.btn-cyan {
    background: linear-gradient(135deg, var(--color-primary-cyan) 0%, #00b8c4 100%);
    color: #0b0f19;
}

/* Page Hero Section */
.page-hero {
    padding: 100px 5% 60px;
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.04) 0%, rgba(255, 81, 47, 0.04) 100%);
    border-bottom: 1px solid var(--glass-border);
}

.page-title {
    font-size: 44px;
    margin-bottom: 15px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.page-subtitle {
    font-size: 17px;
    color: var(--color-dark-text);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.5;
}

/* Section Styles */
.consulting-section,
.courses-section,
.about-section,
.tech-section,
.contact-section {
    padding: 80px 5%;
}

.section-title {
    font-size: 34px;
    margin-bottom: 45px;
    text-align: center;
    color: var(--color-primary-cyan);
    font-weight: 800;
}

/* Development Categories */
.development-categories {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
    width: 100%;
}

.category-card {
    background: var(--color-card-bg);
    border-radius: 16px;
    padding: 30px 24px;
    border: 1px solid var(--glass-border);
    border-left: 4px solid var(--color-secondary-orange);
    transition: var(--transition-smooth);
    height: fit-content;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--card-shadow);
}

.category-card::-webkit-scrollbar {
    width: 4px;
}

.category-card::-webkit-scrollbar-thumb {
    background: var(--color-secondary-orange);
    border-radius: 4px;
}

.category-card.cyan::-webkit-scrollbar-thumb {
    background: var(--color-primary-cyan);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.15);
}

.light-theme .category-card:hover {
    border-color: rgba(0, 0, 0, 0.15);
}

.category-card.cyan {
    border-left-color: var(--color-primary-cyan);
}

.category-icon {
    font-size: 44px;
    margin-bottom: 20px;
    text-align: center;
}

.category-title {
    font-size: 22px;
    margin-bottom: 24px;
    color: var(--color-text-light);
    text-align: center;
    font-weight: 700;
}

.subcategory {
    margin-bottom: 20px;
}

.subcategory-title {
    font-size: 15px;
    margin-bottom: 12px;
    color: var(--color-primary-cyan);
    font-weight: 600;
    letter-spacing: 0.2px;
}

.subcategory-items {
    list-style: none;
    padding-left: 0;
}

.subcategory-items li {
    padding: 6px 0;
    color: var(--color-dark-text);
    position: relative;
    padding-left: 18px;
    line-height: 1.45;
    font-size: 14px;
}

.subcategory-items li:before {
    content: "•";
    color: var(--color-secondary-orange);
    font-weight: bold;
    position: absolute;
    left: 0;
    font-size: 16px;
}

.category-card.cyan .subcategory-items li:before {
    color: var(--color-primary-cyan);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
    align-items: stretch;
}

.service-card {
    background: var(--color-card-bg);
    border-radius: 16px;
    padding: 35px 25px;
    text-align: center;
    transition: var(--transition-smooth);
    border: 1px solid var(--glass-border);
    border-top: 4px solid var(--color-secondary-orange);
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 680px;
    box-shadow: var(--card-shadow);
}

.service-card.cyan {
    border-top-color: var(--color-primary-cyan);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
}

.service-icon {
    font-size: 44px;
    margin-bottom: 20px;
    flex-shrink: 0;
}

.service-title {
    font-size: 21px;
    margin-bottom: 15px;
    color: var(--color-text-light);
    font-weight: 700;
    flex-shrink: 0;
}

.service-desc {
    color: var(--color-dark-text);
    line-height: 1.6;
    margin-bottom: 25px;
    font-size: 14px;
    flex-grow: 1;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 9;
    -webkit-box-orient: vertical;
}

.service-features {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
    flex-shrink: 0;
}

.service-features li {
    padding: 6px 0;
    color: var(--color-dark-text);
    font-size: 14px;
}

.service-features li:before {
    content: "✓ ";
    color: var(--color-secondary-orange);
    font-weight: bold;
}

.service-card.cyan .service-features li:before {
    color: var(--color-primary-cyan);
}

.service-button {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--color-secondary-orange) 0%, #e03e1d 100%);
    color: #ffffff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 700;
    transition: var(--transition-smooth);
    font-size: 14px;
    flex-shrink: 0;
    margin-top: auto;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.service-button.cyan {
    background: linear-gradient(135deg, var(--color-primary-cyan) 0%, #00b8c4 100%);
    color: #0b0f19;
}

.service-button:hover {
    transform: translateY(-2px);
    opacity: 0.95;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

/* Process Section */
.process-section {
    padding: 80px 5%;
    background: var(--color-card-bg);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.process-steps:before {
    content: '';
    position: absolute;
    top: 35px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary-cyan), var(--color-secondary-orange));
    z-index: 1;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 2;
    flex: 1;
}

.step-number {
    width: 70px;
    height: 70px;
    background: var(--color-dark-bg);
    border: 3px solid var(--color-primary-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    margin: 0 auto 20px;
    color: var(--color-primary-cyan);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
    transition: var(--transition-smooth);
}

.process-step:hover .step-number {
    transform: scale(1.1);
    border-color: var(--color-secondary-orange);
    color: var(--color-secondary-orange);
    box-shadow: 0 0 15px rgba(255, 81, 47, 0.2);
}

.step-title {
    font-size: 17px;
    margin-bottom: 10px;
    color: var(--color-text-light);
    font-weight: 700;
}

.step-desc {
    color: var(--color-dark-text);
    font-size: 13px;
    padding: 0 15px;
    line-height: 1.5;
}

/* CTA Section */
.cta-section {
    padding: 80px 5%;
    text-align: center;
}

.cta-title {
    font-size: 34px;
    margin-bottom: 15px;
    font-weight: 800;
}

.cta-desc {
    font-size: 17px;
    color: var(--color-dark-text);
    max-width: 700px;
    margin: 0 auto 35px;
    line-height: 1.5;
}

/* EĞİTİM KARTLARI STİLLERİ */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.course-card {
    background: var(--color-card-bg);
    border-radius: 16px;
    padding: 30px 0 30px 24px;
    transition: var(--transition-smooth);
    border: 1px solid var(--glass-border);
    border-left: 4px solid var(--color-primary-cyan);
    min-height: 520px;
    max-height: 520px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    box-shadow: var(--card-shadow);
    width: 100%;
    max-width: 360px;
    justify-self: center;
}

.course-card.orange {
    border-left-color: var(--color-secondary-orange);
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
    background: rgba(255, 255, 255, 0.05);
}

.light-theme .course-card:hover {
    background: rgba(0, 0, 0, 0.02);
}

.course-card-inner {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    height: 100%;
    padding-right: 24px;
    scrollbar-width: thin;
    scrollbar-color: transparent transparent;
    scrollbar-gutter: stable;
    /* Prevent layout shifting by keeping scrollbar space allocated constantly */
}

.course-card:hover .course-card-inner {
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary-cyan) transparent;
    /* Firefox: Show cyan scrollbar on hover */
}

.course-card.orange:hover .course-card-inner {
    scrollbar-width: thin;
    scrollbar-color: var(--color-secondary-orange) transparent;
    /* Firefox: Show orange scrollbar on hover */
}

.course-card-inner::-webkit-scrollbar {
    width: 6px;
}

.course-card-inner::-webkit-scrollbar-thumb {
    background: transparent;
    /* Chrome/Safari: Hide by default */
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.course-card:hover .course-card-inner::-webkit-scrollbar-thumb {
    background: var(--color-primary-cyan);
    /* Chrome/Safari: Show on hover */
}

.course-card.orange:hover .course-card-inner::-webkit-scrollbar-thumb {
    background: var(--color-secondary-orange);
    /* Chrome/Safari: Show on hover */
}

.course-banner {
    position: relative;
    width: 100%;
    height: 140px;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 20px;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.course-banner-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.course-icon-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(11, 15, 25, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    z-index: 2;
}

.course-city-badge {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(11, 15, 25, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-light);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    z-index: 2;
}

.course-meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    flex-shrink: 0;
}

.course-instructor {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
}

.course-instructor .instructor-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

.course-instructor .instructor-title {
    font-size: 11px;
    color: var(--color-dark-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
    margin-top: 2px;
}

.course-price-container {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.04);
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    flex-shrink: 0;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.light-theme .course-price-container {
    background: rgba(0, 0, 0, 0.02);
}

.course-price-container:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-primary-cyan);
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.25);
}

.course-card.orange .course-price-container:hover {
    border-color: var(--color-secondary-orange);
    box-shadow: 0 0 15px rgba(255, 81, 47, 0.25);
}

.course-price-container .price {
    font-size: 15px;
    font-weight: 800;
    color: var(--color-primary-cyan);
}

.course-card.orange .course-price-container .price {
    color: var(--color-secondary-orange);
}

.course-price-container .cart-icon {
    font-size: 14px;
    transition: transform 0.2s ease;
}

.course-price-container:hover .cart-icon {
    transform: scale(1.15) rotate(-5deg);
}

.course-message-btn {
    display: block;
    width: 100%;
    padding: 11px 15px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--color-primary-cyan) 0%, #00b8c4 100%);
    color: #0b0f19;
    text-decoration: none;
    font-weight: 700;
    font-size: 13px;
    text-align: center;
    margin-bottom: 20px;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 12px rgba(0, 242, 254, 0.15);
    flex-shrink: 0;
}

.course-message-btn.orange {
    background: linear-gradient(135deg, var(--color-secondary-orange) 0%, #e03e1d 100%);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(255, 81, 47, 0.15);
}

.course-message-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 242, 254, 0.25);
}

.course-message-btn.orange:hover {
    box-shadow: 0 6px 18px rgba(255, 81, 47, 0.25);
}

.instructor-title {
    font-size: 11px;
    color: var(--color-dark-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.course-title {
    font-size: 21px;
    margin-bottom: 12px;
    color: var(--color-text-light);
    font-weight: 700;
    flex-shrink: 0;
}

.course-desc {
    color: var(--color-dark-text);
    margin-bottom: 20px;
    line-height: 1.55;
    font-size: 14px;
    flex-shrink: 0;
}

.course-features {
    list-style: none;
    margin-bottom: 25px;
    flex: 1;
}

.course-features li {
    padding: 6px 0;
    color: var(--color-dark-text);
    position: relative;
    padding-left: 20px;
    font-size: 14px;
    line-height: 1.45;
}

.course-features li:before {
    content: "✓";
    color: var(--color-primary-cyan);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.course-card.orange .course-features li:before {
    color: var(--color-secondary-orange);
}

.course-button-container {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-shrink: 0;
}

.course-button-container .course-button {
    flex: 1;
    text-align: center;
}

.course-button-container .cart-btn {
    flex-shrink: 0;
    width: auto;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.course-button-container .cart-btn .price {
    font-weight: 800;
    font-size: 14px;
}

.course-button-container .cart-btn .cart-icon {
    font-size: 14px;
}

.course-button {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--color-primary-cyan) 0%, #00b8c4 100%);
    color: #0b0f19;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 700;
    transition: var(--transition-smooth);
    text-align: center;
    font-size: 14px;
}

.course-button.orange {
    background: linear-gradient(135deg, var(--color-secondary-orange) 0%, #e03e1d 100%);
    color: #ffffff;
}

.course-button:hover {
    transform: translateY(-2px);
    opacity: 0.95;
}

/* Arama ve Filtre Stilleri */
.search-filters-container {
    max-width: 1000px;
    margin: 0 auto 35px;
}

.filters-row {
    display: flex;
    gap: 0;
    margin-bottom: 15px;
    align-items: center;
    flex-wrap: wrap;
    background: var(--color-card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    padding: 4px;
    position: relative;
    backdrop-filter: blur(10px);
}

.light-theme .filters-row {
    background: #e2e8f0;
}

.filter-group {
    flex: 1;
    display: flex;
    position: relative;
}

.filter-group:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60%;
    background: var(--glass-border);
}

.filter-select {
    flex: 1;
    padding: 16px 20px;
    border: none;
    font-size: 14px;
    background-color: transparent;
    color: var(--color-text-light);
    cursor: pointer;
    transition: var(--transition-smooth);
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 18px center;
    background-size: 14px;
    font-weight: 600;
    border-radius: 0;
    text-align: center;
}

.filter-select:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.light-theme .filter-select:hover {
    background-color: rgba(0, 0, 0, 0.03);
}

.filter-select:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.08);
}

.filter-select option {
    background: var(--color-dark-bg);
    color: var(--color-text-light);
    padding: 12px;
    border: none;
    text-align: center;
}

.search-box {
    flex: 2;
    position: relative;
    background: transparent;
}

.search-box input {
    width: 100%;
    padding: 16px 50px 16px 20px;
    border: none;
    font-size: 15px;
    background-color: transparent;
    color: var(--color-text-light);
    transition: var(--transition-smooth);
    text-align: center;
}

.search-box input::placeholder {
    color: var(--color-dark-text);
    text-align: center;
}

.search-box input:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.05);
}

.search-button {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
    color: var(--color-dark-text);
    transition: var(--transition-smooth);
    font-size: 16px;
}

.search-button:hover {
    color: var(--color-primary-cyan);
    transform: translateY(-50%) scale(1.15);
}

.search-results-info {
    text-align: center;
    color: var(--color-dark-text);
    font-size: 14px;
    margin-top: 12px;
    font-weight: 600;
}

/* Sayfalama Stilleri */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
}

.pagination {
    display: flex;
    gap: 8px;
    align-items: center;
}

.page-btn {
    background: var(--color-card-bg);
    border: 1px solid var(--glass-border);
    color: var(--color-dark-text);
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: 14px;
    font-weight: 600;
}

.page-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-text-light);
}

.light-theme .page-btn:hover {
    background: rgba(0, 0, 0, 0.03);
}

.page-btn.active {
    background: var(--color-primary-cyan);
    color: #0b0f19;
    border-color: var(--color-primary-cyan);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
}

.page-btn.next-btn {
    width: auto;
    padding: 0 20px;
    gap: 8px;
}

.pagination-info {
    color: var(--color-dark-text);
    font-size: 14px;
}

/* About Section Styles */
.story-content {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 85px;
}

.story-text {
    flex: 1;
}

.story-image {
    flex: 1;
    height: 420px;
    background: linear-gradient(135deg, var(--color-primary-cyan), var(--color-secondary-orange));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 120px;
    color: white;
    box-shadow: var(--card-shadow);
}

.story-title {
    font-size: 34px;
    margin-bottom: 25px;
    color: var(--color-text-light);
    font-weight: 800;
}

.story-desc {
    color: var(--color-dark-text);
    line-height: 1.75;
    font-size: 16px;
    margin-bottom: 25px;
}

.values-section {
    padding: 80px 5%;
    background: var(--color-card-bg);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.value-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--color-dark-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    transition: var(--transition-smooth);
    box-shadow: var(--card-shadow);
}

.value-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary-cyan);
}

.value-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.value-title {
    font-size: 21px;
    margin-bottom: 15px;
    color: var(--color-text-light);
    font-weight: 700;
}

.value-desc {
    color: var(--color-dark-text);
    line-height: 1.6;
    font-size: 14px;
}

.team-section {
    padding: 80px 5%;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.team-member {
    text-align: center;
    background: var(--color-card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 40px 25px;
    transition: var(--transition-smooth);
    box-shadow: var(--card-shadow);
}

.team-member:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary-cyan);
}

.member-photo {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary-cyan), var(--color-secondary-orange));
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 50px;
    color: white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.member-name {
    font-size: 21px;
    margin-bottom: 8px;
    color: var(--color-text-light);
    font-weight: 700;
}

.member-role {
    color: var(--color-primary-cyan);
    margin-bottom: 15px;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.member-desc {
    color: var(--color-dark-text);
    line-height: 1.6;
    font-size: 14px;
}

.stats-section {
    padding: 80px 5%;
    background: var(--color-card-bg);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.stat-item {
    padding: 20px 10px;
}

.stat-number {
    font-size: 52px;
    font-weight: 800;
    color: var(--color-primary-cyan);
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.stat-label {
    color: var(--color-dark-text);
    font-size: 16px;
    font-weight: 600;
}

/* Contact Section Styles */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info {
    padding: 20px 0;
}

.contact-title {
    font-size: 34px;
    margin-bottom: 25px;
    color: var(--color-primary-cyan);
    font-weight: 800;
}

.contact-desc {
    color: var(--color-dark-text);
    line-height: 1.65;
    margin-bottom: 35px;
    font-size: 16px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.method-icon {
    font-size: 26px;
    color: var(--color-primary-cyan);
    min-width: 44px;
    height: 44px;
    background: var(--color-card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--card-shadow);
}

.method-content h3 {
    font-size: 18px;
    margin-bottom: 6px;
    color: var(--color-text-light);
    font-weight: 700;
}

.method-content p {
    color: var(--color-dark-text);
    line-height: 1.5;
    font-size: 14px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 40px;
}

.social-link {
    width: 46px;
    height: 46px;
    background: var(--color-card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--color-text-light);
    font-size: 18px;
    transition: var(--transition-smooth);
    box-shadow: var(--card-shadow);
}

.social-link:hover {
    background: var(--color-primary-cyan);
    color: #0b0f19;
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 242, 254, 0.35);
}

.contact-form {
    background: var(--color-card-bg);
    border: 1px solid var(--glass-border);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
}

.form-title {
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--color-text-light);
    font-weight: 700;
}

.form-group {
    margin-bottom: 22px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--color-dark-text);
    font-weight: 600;
    font-size: 14px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 14px 16px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--color-text-light);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition-smooth);
}

.light-theme .form-input,
.light-theme .form-textarea,
.light-theme .form-select {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(15, 23, 42, 0.15);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary-cyan);
    box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.15);
    background: rgba(0, 0, 0, 0.25);
}

.light-theme .form-input:focus,
.light-theme .form-textarea:focus,
.light-theme .form-select:focus {
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

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

.form-select {
    cursor: pointer;
}

.submit-button {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--color-primary-cyan) 0%, #00b8c4 100%);
    color: #0b0f19;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 5px 15px rgba(0, 242, 254, 0.25);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 242, 254, 0.35);
}

.map-section {
    padding: 0 5% 80px;
}

.map-container {
    height: 400px;
    background: var(--color-card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    color: var(--color-dark-text);
    box-shadow: var(--card-shadow);
}

.faq-section {
    padding: 80px 5%;
    background: var(--color-card-bg);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 16px;
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    background: var(--color-dark-bg);
}

.faq-question {
    padding: 22px 25px;
    background: var(--color-card-bg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 16px;
    color: var(--color-text-light);
    user-select: none;
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-smooth);
    color: var(--color-dark-text);
    line-height: 1.65;
    font-size: 14px;
}

.faq-item.active .faq-answer {
    padding: 0 25px 22px;
    max-height: 500px;
}

.faq-toggle {
    color: var(--color-primary-cyan);
    font-size: 20px;
    font-weight: 800;
    transition: transform 0.2s ease;
}

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

/* Tech Section Styles */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 80px;
}

.tech-card {
    background: var(--color-card-bg);
    border-radius: 16px;
    padding: 35px 30px;
    text-align: center;
    transition: var(--transition-smooth);
    border: 1px solid var(--glass-border);
    border-top: 4px solid var(--color-primary-cyan);
    box-shadow: var(--card-shadow);
}

.tech-card.orange {
    border-top-color: var(--color-secondary-orange);
}

.tech-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
}

.tech-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.tech-title {
    font-size: 21px;
    margin-bottom: 15px;
    color: var(--color-text-light);
    font-weight: 700;
}

.tech-desc {
    color: var(--color-dark-text);
    line-height: 1.6;
    font-size: 14px;
}

.tech-details {
    margin-top: 25px;
    text-align: left;
}

.tech-details h4 {
    color: var(--color-text-light);
    margin: 20px 0 10px 0;
    font-size: 15px;
    font-weight: 700;
}

.tech-details ul {
    list-style-type: none;
    padding-left: 0;
    margin-bottom: 15px;
}

.tech-details li {
    padding: 5px 0;
    color: var(--color-dark-text);
    position: relative;
    padding-left: 18px;
    line-height: 1.45;
    font-size: 14px;
}

.tech-details li:before {
    content: "•";
    color: var(--color-primary-cyan);
    font-weight: bold;
    position: absolute;
    left: 0;
    font-size: 15px;
}

.tech-card.orange .tech-details li:before {
    color: var(--color-secondary-orange);
}

.solutions-section {
    padding: 80px 5%;
    background: var(--color-card-bg);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.solution-item {
    display: flex;
    align-items: center;
    margin-bottom: 60px;
}

.solution-item:last-child {
    margin-bottom: 0;
}

.solution-item:nth-child(even) {
    flex-direction: row-reverse;
}

.solution-content {
    flex: 1;
    padding: 0 50px;
}

.solution-image {
    flex: 1;
    height: 320px;
    background: linear-gradient(135deg, var(--color-primary-cyan), var(--color-secondary-orange));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 100px;
    color: white;
    box-shadow: var(--card-shadow);
}

.solution-title {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--color-primary-cyan);
    font-weight: 800;
}

.solution-desc {
    color: var(--color-dark-text);
    line-height: 1.65;
    margin-bottom: 25px;
    font-size: 15px;
}

.solution-features {
    list-style: none;
}

.solution-features li {
    padding: 6px 0;
    color: var(--color-dark-text);
    font-size: 15px;
}

.solution-features li:before {
    content: "▸ ";
    color: var(--color-primary-cyan);
    font-weight: bold;
}

/* Footer */
.footer {
    padding: 30px 5%;
    text-align: center;
    background-color: rgba(0, 0, 0, 0.4);
    color: var(--color-dark-text);
    font-size: 14px;
    border-top: 1px solid var(--glass-border);
}

.light-theme .footer {
    background-color: rgba(0, 0, 0, 0.02);
}

/* Responsive Tasarım */
@media (max-width: 1400px) {
    .development-categories {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .category-card {
        max-height: none;
        overflow-y: visible;
    }

    .service-card {
        min-height: auto;
    }

    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {

    .solution-item,
    .solution-item:nth-child(even) {
        flex-direction: column;
        gap: 30px;
    }

    .solution-content {
        padding: 0;
    }

    .solution-image {
        width: 100%;
        height: 250px;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        padding: 15px 5%;
        gap: 15px;
    }

    .nav-links {
        margin-top: 5px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-links a {
        margin: 5px 10px;
        font-size: 14px;
    }

    .theme-toggle {
        margin-left: 15px;
    }

    .main-headline {
        font-size: 38px;
    }

    .main-headline .arrow {
        font-size: 32px;
    }

    .page-title {
        font-size: 32px;
    }

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

    .course-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }

    .instructor-info {
        width: 100%;
    }

    .pagination-container {
        flex-direction: column;
        gap: 20px;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .story-content {
        flex-direction: column;
        gap: 30px;
    }

    .story-image {
        height: 250px;
        width: 100%;
    }

    .filters-row {
        flex-direction: column;
        gap: 0;
        border-radius: 15px;
        padding: 0;
    }

    .filter-group {
        border-bottom: 1px solid var(--glass-border);
        width: 100%;
    }

    .filter-group:last-child {
        border-bottom: none;
    }

    .filter-group:not(:last-child)::after {
        display: none;
    }

    .filter-select {
        border-radius: 0;
        width: 100%;
        text-align-last: center;
    }

    .search-box {
        border-bottom: 1px solid var(--glass-border);
        width: 100%;
    }

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

    .bilge-character {
        width: 130px;
    }

    .speech-bubble {
        right: 20px;
        bottom: 160px;
        font-size: 13px;
        padding: 10px 18px;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: 0 5%;
    }

    .main-headline {
        font-size: 28px;
    }

    .sub-headline {
        font-size: 15px;
    }

    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    .cta-button {
        width: 100%;
        padding: 14px 24px;
        font-size: 14px;
    }

    .page-hero {
        padding: 80px 5% 40px;
    }

    .page-title {
        font-size: 26px;
    }

    .section-title {
        font-size: 24px;
    }

    .course-card {
        padding: 20px;
        min-height: auto;
        max-height: none;
    }

    .course-button-container {
        flex-direction: column;
    }

    .course-button-container .cart-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ==========================================================================
   SPONSORLU EĞİTİM KARTLARI (REKLAM SİSTEMİ) STİLLERİ
   ========================================================================== */

.sponsored-ads-section {
    padding: 30px 5% 10px;
    background: linear-gradient(180deg, rgba(0, 242, 254, 0.02) 0%, rgba(11, 15, 25, 0) 100%);
    border-bottom: 1px solid var(--glass-border);
    position: relative;
}

.sponsored-ads-section+.courses-section {
    padding-top: 30px;
}

.ads-header {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin-bottom: 20px;
    gap: 20px;
}

.ads-title-wrapper {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    text-align: center;
}

.ads-badge {
    background: linear-gradient(135deg, var(--color-primary-cyan) 0%, #00b8c4 100%);
    color: #0b0f19;
    font-size: 11px;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0;
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.3);
    animation: adPulse 2s infinite alternate;
}

@keyframes adPulse {
    0% {
        box-shadow: 0 0 4px rgba(0, 242, 254, 0.2);
    }

    100% {
        box-shadow: 0 0 14px rgba(0, 242, 254, 0.6);
        transform: scale(1.02);
    }
}

.ads-section-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--color-text-light);
    margin-bottom: 0;
}

.title-separator {
    color: var(--color-dark-text);
    font-size: 14px;
    opacity: 0.6;
}

.ads-section-subtitle {
    font-size: 13px;
    color: var(--color-dark-text);
    margin-bottom: 0;
}

.add-ad-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--color-secondary-orange) 0%, #e03e1d 100%);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(255, 81, 47, 0.2);
}

.add-ad-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 81, 47, 0.4);
}

/* Slider Düzeni */
.ads-container-outer {
    position: relative;
    width: 100%;
}

.ads-slider {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 15px 5px 25px;
    scrollbar-width: none;
    /* Firefox */
}

.ads-slider::-webkit-scrollbar {
    display: none;
    /* Chrome, Safari, Opera */
}

/* 400x500 Civarı Reklam Kartı Tasarımı (Küçültülmüş ~230x330) */
.ad-item-card {
    flex: 0 0 auto;
    width: 230px;
    height: 340px;
    background: var(--color-card-bg);
    border: 1px solid var(--glass-border);
    border-top: 4px solid var(--color-primary-cyan);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

.ad-item-card.orange {
    border-top-color: var(--color-secondary-orange);
}

.ad-item-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
}

.light-theme .ad-item-card:hover {
    border-color: rgba(0, 0, 0, 0.1);
    background: rgba(0, 0, 0, 0.01);
}

.ad-card-banner {
    position: relative;
    height: 90px;
    overflow: hidden;
    flex-shrink: 0;
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.1) 0%, rgba(255, 81, 47, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ad-banner-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ad-category-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(11, 15, 25, 0.85);
    color: var(--color-primary-cyan);
    border: 1px solid rgba(0, 242, 254, 0.3);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    z-index: 2;
}

.ad-item-card.orange .ad-category-badge {
    color: var(--color-secondary-orange);
    border-color: rgba(255, 81, 47, 0.3);
}

.ad-sponsored-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 81, 47, 0.2);
    color: var(--color-secondary-orange);
    border: 1px solid rgba(255, 81, 47, 0.4);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    z-index: 2;
}

.ad-delete-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(239, 68, 68, 0.9);
    color: #ffffff;
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: var(--transition-smooth);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.ad-delete-btn:hover {
    background: #dc2626;
    transform: scale(1.1);
}

.ad-card-content {
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
}

.ad-card-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ad-card-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-text-light);
    line-height: 1.25;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 32px;
}

.ad-card-instructor-box {
    display: flex;
    flex-direction: column;
}

.ad-card-instructor {
    font-size: 11.5px;
    font-weight: 600;
    color: var(--color-text-light);
}

.ad-card-instructor-title {
    font-size: 9.5px;
    color: var(--color-dark-text);
}

.ad-card-desc {
    font-size: 11px;
    color: var(--color-dark-text);
    line-height: 1.4;
    margin-top: 2px;
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
    overflow: hidden;
    max-height: 8.4em;
    height: auto;
}

.ad-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
    border-top: 1px solid var(--glass-border);
    padding-top: 10px;
    flex-shrink: 0;
}

.ad-price {
    font-size: 15px;
    font-weight: 800;
    color: var(--color-primary-cyan);
    cursor: pointer;
    transition: var(--transition-smooth);
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid transparent;
}

.ad-price:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-primary-cyan);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

.light-theme .ad-price:hover {
    background: rgba(0, 0, 0, 0.02);
}

.ad-item-card.orange .ad-price {
    color: var(--color-secondary-orange);
}

.ad-item-card.orange .ad-price:hover {
    border-color: var(--color-secondary-orange);
    box-shadow: 0 0 10px rgba(255, 81, 47, 0.2);
}

.ad-btn {
    padding: 6px 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--color-text-light);
    border-radius: 4px;
    font-weight: 700;
    font-size: 11px;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
}

.ad-btn:hover {
    background: var(--color-primary-cyan);
    color: #0b0f19;
    border-color: var(--color-primary-cyan);
}

.ad-item-card.orange .ad-btn:hover {
    background: var(--color-secondary-orange);
    color: #ffffff;
    border-color: var(--color-secondary-orange);
}

/* Slider Butonları */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--color-text-light);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: var(--transition-smooth);
    box-shadow: var(--glass-shadow);
}

.slider-btn:hover {
    background: var(--color-primary-cyan);
    color: #0b0f19;
    border-color: var(--color-primary-cyan);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.4);
}

.slider-btn.prev-btn {
    left: -22px;
}

.slider-btn.next-btn {
    right: -22px;
}

/* MODAL YAN PANEL/POPUP STİLLERİ */
.modal {
    display: none;
    position: fixed;
    z-index: 200;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(11, 15, 25, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal-content {
    background-color: #0d1220;
    margin: 5% auto;
    padding: 35px;
    border: 1px solid var(--glass-border);
    width: 90%;
    max-width: 650px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
    position: relative;
    animation: modalFadeIn 0.3s ease-out;
}

.light-theme .modal-content {
    background-color: #ffffff;
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

.close-modal,
.close-details-modal {
    color: var(--color-dark-text);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-smooth);
    line-height: 1;
}

.close-modal:hover,
.close-details-modal:hover {
    color: var(--color-secondary-orange);
}

.modal-content h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 25px;
    color: var(--color-text-light);
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 15px;
}

.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-light);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--color-text-light);
    font-family: var(--font-main);
    font-size: 14px;
    outline: none;
    transition: var(--transition-smooth);
}

.light-theme .form-group input[type="text"],
.light-theme .form-group input[type="email"],
.light-theme .form-group select,
.light-theme .form-group textarea {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.1);
    color: #0f172a;
}

.form-group input[type="text"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary-cyan);
    box-shadow: 0 0 8px rgba(0, 242, 254, 0.2);
    background: rgba(255, 255, 255, 0.05);
}

.form-group input[type="file"] {
    font-size: 13px;
    color: var(--color-dark-text);
}

.submit-ad-btn {
    width: 100%;
    padding: 14px;
    margin-top: 15px;
    background: linear-gradient(135deg, var(--color-primary-cyan) 0%, #00b8c4 100%);
    color: #0b0f19;
    border: none;
    border-radius: 8px;
    font-weight: 800;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.2);
}

.submit-ad-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 242, 254, 0.4);
}

/* İlan Detay Modalı İçerik Tasarımı */
.ad-details-layout {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ad-details-banner {
    width: 100%;
    height: 250px;
    border-radius: 10px;
    overflow: hidden;
}

.ad-details-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ad-details-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 15px;
}

.ad-details-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-text-light);
}

.ad-details-desc {
    font-size: 15px;
    color: var(--color-dark-text);
    line-height: 1.6;
}

.ad-details-contact-box {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.light-theme .ad-details-contact-box {
    background: rgba(0, 0, 0, 0.01);
}

.ad-details-contact-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary-cyan);
}

.ad-details-contact-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-light);
}

/* Responsive Düzenlemeler */
@media (max-width: 768px) {
    .ads-header {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

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

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .ad-item-card {
        width: 220px;
        height: 320px;
    }

    .slider-btn {
        display: none;
        /* Mobil cihazlarda butonları gizle, kaydırma dokunmatik yapılır */
    }
}

@media (max-width: 480px) {
    .ad-item-card {
        width: 210px;
        height: 310px;
    }
}

/* User Menu & Dropdown Styles */
.user-menu-wrapper {
    display: inline-flex;
    align-items: center;
    position: relative;
}

.auth-nav-btn {
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 6px;
    transition: var(--transition-smooth);
    margin-left: 10px;
    white-space: nowrap;
}

.btn-login-nav {
    color: var(--color-text-light);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.02);
}

.btn-login-nav:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.light-theme .btn-login-nav {
    color: #0f172a;
    border-color: rgba(0, 0, 0, 0.1);
    background: rgba(0, 0, 0, 0.02);
}

.light-theme .btn-login-nav:hover {
    background: rgba(0, 0, 0, 0.06);
    border-color: rgba(0, 0, 0, 0.2);
}

.btn-register-nav {
    color: #0b0f19 !important;
    background: linear-gradient(135deg, var(--color-primary-cyan) 0%, #00b3a6 100%);
    box-shadow: 0 4px 10px rgba(0, 212, 201, 0.2);
    border: none;
}

.btn-register-nav:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 15px rgba(0, 212, 201, 0.35);
}

/* Hesabım Dropdown */
/* Hesabım Dropdown */
.account-dropdown {
    position: relative;
    display: inline-block;
}

.account-dropbtn {
    background: none;
    border: none;
    color: var(--color-dark-text);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 0;
    transition: var(--transition-smooth);
    margin-left: 20px;
}

.account-dropbtn:hover,
.account-dropdown:hover .account-dropbtn {
    color: var(--color-primary-cyan);
}

.account-dropbtn.active {
    color: var(--color-primary-cyan) !important;
    font-weight: bold;
}

.account-dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 8px;
    background: #111625;
    /* Saydamlık kaldırıldı, opak koyu arka plan yapıldı */
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    box-shadow: var(--glass-shadow);
    min-width: 190px;
    z-index: 1000;
    padding: 6px 0;
    animation: fadeIn 0.2s ease;
}

.light-theme .account-dropdown-content {
    background: #ffffff;
    /* Saydamlık kaldırıldı, opak beyaz arka plan yapıldı */
}

/* Hover trigger for dropdown content */
.account-dropdown:hover .account-dropdown-content {
    display: block;
}

/* Transparent bridge to prevent menu from closing when moving mouse */
.account-dropdown-content::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 0;
    right: 0;
    height: 12px;
    background: transparent;
}

.account-dropdown-content a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition-smooth);
    border-bottom: none !important;
    margin: 0 !important;
    white-space: nowrap;
}

.account-dropdown-content a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-primary-cyan);
}

.light-theme .account-dropdown-content a:hover {
    background: rgba(0, 0, 0, 0.03);
}

.account-dropdown-content a.logout-link {
    color: #ff4d4d !important;
    border-top: 1px solid var(--glass-border) !important;
}

.account-dropdown-content a.logout-link:hover {
    background: rgba(255, 77, 77, 0.08) !important;
    color: #ff4d4d !important;
}

/* Login Dropdown Form Styles */
.account-dropdown-content.account-login-dropdown {
    min-width: 320px;
    padding: 24px;
    box-sizing: border-box;
}

.dropdown-login-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 18px;
    color: var(--color-text-light);
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 8px;
    text-align: left;
}

.dropdown-form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
    text-align: left;
}

.dropdown-form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-dark-text);
}

.dropdown-form-input {
    width: 100%;
    padding: 10px 14px;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--color-text-light);
    font-family: var(--font-main);
    font-size: 13.5px;
    outline: none;
    transition: var(--transition-smooth);
    box-sizing: border-box;
}

.dropdown-form-input:focus {
    border-color: var(--color-primary-cyan);
    background-color: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.1);
}

.dropdown-auth-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
    gap: 14px;
    border-top: 1px solid var(--glass-border);
    padding-top: 16px;
    width: 100%;
}

.dropdown-submit-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--color-primary-cyan) 0%, #00b8c4 100%);
    color: #0b0f19;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 12px rgba(0, 242, 254, 0.2);
}

.dropdown-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 242, 254, 0.35);
}

.dropdown-auth-links {
    font-size: 12.5px;
    color: var(--color-dark-text);
}

.dropdown-auth-links a {
    color: var(--color-primary-cyan) !important;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-smooth);
    display: inline !important;
    padding: 0 !important;
    background: none !important;
}

.dropdown-auth-links a:hover {
    color: var(--color-text-light) !important;
    text-decoration: underline !important;
    background: none !important;
}

/* Light Theme overrides for form inside dropdown */
.light-theme .dropdown-form-input {
    background-color: rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: #0f172a;
}

.light-theme .dropdown-form-input:focus {
    background-color: #ffffff;
    border-color: var(--color-primary-cyan);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

.light-theme .dropdown-submit-btn {
    color: #ffffff;
    background: linear-gradient(135deg, var(--color-primary-cyan) 0%, #0284c7 100%);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.2);
}

.light-theme .dropdown-submit-btn:hover {
    box-shadow: 0 6px 18px rgba(14, 165, 233, 0.35);
}