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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #0f172a;
    --accent: #10b981;
    --bg-light: #f8fafc;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --white: #ffffff;
    --border-color: #e2e8f0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0,0,0,0.04);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.1rem 2rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--secondary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

.btn-demo {
    background: var(--primary);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    border: none;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-demo:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
}

.slider-section {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
    position: relative;
    overflow: hidden;
    padding-top: 76px;
}

.slider-container {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.slider-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    width: 100%;
}

.slide-item {
    min-width: 100%;
    width: 100%;
    min-height: 580px;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.slide-content-wrapper {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    width: 100%;
    padding: 4rem 2rem;
    color: var(--white);
}

.slide-content-wrapper.align-center {
    text-align: center;
    margin: 0 auto;
}

.slide-content-wrapper.align-left {
    text-align: left;
    margin-right: auto;
}

.slide-content-wrapper.align-right {
    text-align: right;
    margin-left: auto;
}

.slide-badge {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #38bdf8;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.slide-title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.2rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.slide-subtitle {
    font-size: 1.25rem;
    color: #cbd5e1;
    margin-bottom: 2.2rem;
    max-width: 750px;
}

.slide-content-wrapper.align-center .slide-subtitle {
    margin-left: auto;
    margin-right: auto;
}

.slide-btn {
    display: inline-block;
    padding: 1rem 2.2rem;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
    border: none;
    cursor: pointer;
}

.slide-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
}

.slider-nav:hover {
    background: var(--white);
    color: var(--secondary);
}

.slider-nav.prev { left: 25px; }
.slider-nav.next { right: 25px; }

.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--primary);
    width: 30px;
    border-radius: 10px;
}

section {
    padding: 6rem 2rem;
    max-width: 1280px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 0.8rem;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.2rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.07);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1.2rem;
    display: inline-block;
}

.card-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 0.8rem;
}

.card-desc {
    color: var(--text-muted);
    font-size: 0.98rem;
}

.pricing-card {
    position: relative;
    background: var(--white);
    padding: 3rem 2.2rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    box-shadow: 0 10px 35px rgba(37, 99, 235, 0.15);
    transform: scale(1.03);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    right: 25px;
    background: var(--primary);
    color: var(--white);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
}

.price-amount {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--secondary);
    margin: 1.2rem 0 0.2rem;
}

.price-period {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

.feature-list {
    list-style: none;
    margin: 2rem 0;
}

.feature-list li {
    padding: 0.6rem 0;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.ref-card {
    background: var(--white);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}

.ref-img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1rem;
    background: #f1f5f9;
}

.testimonial-card {
    background: var(--white);
    padding: 2.2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}

.stars {
    color: #f59e0b;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.faq-item {
    background: var(--white);
    margin-bottom: 1.2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    font-weight: 700;
    color: var(--secondary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-muted);
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(5px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    width: 90%;
    max-width: 520px;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.close-modal {
    position: absolute;
    top: 1.2rem;
    right: 1.5rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-muted);
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-weight: 700;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 0.95rem;
}

footer {
    background: #0f172a !important; /* Gece Laciverti */
    color: #94a3b8 !important;
    padding: 4rem 2rem 2rem !important;
    width: 100% !important;
}

.footer-container {
    max-width: 1280px !important;
    margin: 0 auto !important;
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: space-between !important;
    align-items: flex-start !important;
    gap: 2.5rem !important;
    margin-bottom: 3rem !important;
}

.footer-col {
    flex: 1 1 260px !important; /* Yan yana sığan sütun genişliği */
    min-width: 240px !important;
}

.footer-col-main {
    flex: 1.5 1 300px !important; /* Logo sütununa biraz daha geniş alan */
    min-width: 260px !important;
}

.footer-logo {
    font-size: 1.8rem !important;
    font-weight: 800 !important;
    color: #ffffff !important;
    text-decoration: none !important;
    margin-bottom: 0.8rem !important;
    display: inline-block !important;
}

.footer-logo span {
    color: #2563eb !important;
}

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

.footer-links li {
    margin-bottom: 0.8rem !important;
    font-size: 0.95rem !important;
    color: #94a3b8 !important;
}

.footer-links a {
    color: #94a3b8 !important;
    text-decoration: none !important;
    transition: color 0.2s ease !important;
}

.footer-links a:hover {
    color: #ffffff !important;
}

.footer-bottom {
    max-width: 1280px !important;
    margin: 0 auto !important;
    padding-top: 2rem !important;
    border-top: 1px solid #1e293b !important;
    text-align: center !important;
    font-size: 0.9rem !important;
    color: #64748b !important;
}