:root {
    /* Color Palette */
    --bg-main: #FFFFFF; /* Beyaz - Ana arka plan */
    --bg-card: #F5F7FA; /* Gri - Kart arka planları */
    --primary: #1B2A4A; /* Lacivert - Ana marka, başlıklar */
    --secondary: #2E6B9E; /* Mavi - Alt başlıklar, linkler */
    --accent: #E87722; /* Turuncu - Vurgu, CTA butonları */
    --text-main: #1A1A2E; /* Siyah - Ana metin rengi */
    --text-muted: #6B7280; /* Füme - Açıklama metinleri */
    --success: #059669; /* Yeşil - Olumlu göstergeler */
    --danger: #DC2626; /* Kırmızı - Risk göstergeleri */
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-accent: linear-gradient(135deg, var(--accent), #f97316);
    
    /* Card Styles for Light Theme */
    --glass-border: rgba(27, 42, 74, 0.1);
    --glass-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --glass-blur: blur(12px);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --container-width: 1200px;
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Utility Classes */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.text-danger { color: var(--danger); }

.glass-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: var(--transition-medium);
    border: none;
    font-family: var(--font-heading);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 15px rgba(232, 119, 34, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 119, 34, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--glass-border);
}

.btn-outline:hover {
    background: rgba(27, 42, 74, 0.05);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

.mt-4 { margin-top: 1.5rem; }

/* Navbar */
.navbar {
    background: var(--primary);
    color: #FFFFFF;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0.8rem 0;
    transition: var(--transition-medium);
}


.navbar .btn-outline {
    color: #FFFFFF;
    border-color: rgba(255,255,255,0.3);
}
.navbar .btn-outline:hover {
    background: rgba(255,255,255,0.1);
    color: #FFFFFF;
}

.navbar.scrolled {
    background: var(--primary);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--glass-border);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo {
    max-height: 130px;
    width: auto;
    display: block;
    object-fit: contain;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-links a:hover:not(.btn) {
    color: var(--primary);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 180px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(27, 42, 74, 0.05) 0%, rgba(232, 119, 34, 0.05) 50%, rgba(255,255,255,0) 70%);
    z-index: -1;
    filter: blur(40px);
}

.hero-container {
    display: flex;
    flex-direction: column-reverse;
    gap: 3rem;
    align-items: center;
    text-align: center;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(232, 119, 34, 0.1);
    color: var(--primary);
    border: 1px solid rgba(232, 119, 34, 0.2);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.hero-dashboard-wrapper {
    position: relative;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    transition: all 0.5s ease;
}

.hero-dashboard-img {
    width: 100%;
    height: auto;
    display: block;
    box-shadow: 0 25px 50px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.hero-dashboard-wrapper:hover {
    transform: translateY(-15px) scale(1.02);
}

.hero-dashboard-wrapper:hover .hero-dashboard-img {
    box-shadow: 0 35px 60px rgba(46, 107, 158, 0.4), 0 0 40px rgba(46, 107, 158, 0.2);
    border-color: rgba(46, 107, 158, 0.6);
}

.floating-badge {
    position: absolute;
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    animation: float 6s ease-in-out infinite;
}

.floating-badge i {
    margin-right: 8px;
}

.badge-1 {
    top: 20px;
    right: -20px;
}

.badge-2 {
    bottom: 40px;
    left: -30px;
    animation-delay: -3s;
}

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

/* Metrics */
.metrics {
    padding: 40px 0;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    background: rgba(27, 42, 74, 0.02);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2rem;
    text-align: center;
}

.metric-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.metric-number {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    margin-bottom: 0.5rem;
}

.metric-text {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Sections Global */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Problem Section */
.problem-section {
    padding: 100px 0;
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.problem-list h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.problem-list ul li {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.problem-list ul li i {
    margin-top: 5px;
}

.quote-box {
    padding: 1.5rem;
    border-left: 4px solid var(--primary);
}

.quote-box.danger {
    border-left-color: var(--danger);
}

.quote-box i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.quote-box.danger i {
    color: var(--danger);
}

.quote-box p {
    font-style: italic;
    font-size: 1.1rem;
    font-weight: 500;
}

.cost-list {
    padding: 2.5rem;
}

.cost-list h3 {
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.cost-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

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

.cost-icon {
    width: 40px;
    height: 40px;
    background: rgba(27, 42, 74, 0.05);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

/* How It Works */
.how-it-works {
    padding: 100px 0;
    background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0MCIgaGVpZ2h0PSI0MCI+CiAgPHBhdGggZD0iTTAgMGg0MHY0MEgwVjB6bTIwIDIwYzUuNSAwIDEwLTQuNSAxMC0xMFMyNS41IDAgMjAgMCAxMCA0LjUgMTAgMTBzNC41IDEwIDEwIDEwem0wIDIwYzUuNSAwIDEwLTQuNSAxMC0xMFMyNS41IDIwIDIwIDIwIDEwIDI0LjUgMTAgMzBzNC41IDEwIDEwIDEweiIgZmlsbD0iI2ZmZmZmZiIgZmlsbC1vcGFjaXR5PSIwLjAxNCIgZmlsbC1ydWxlPSJldmVub2RkIi8+Cjwvc3ZnPg==');
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.step-card {
    padding: 2rem;
    position: relative;
    text-align: left;
}

.step-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: rgba(27, 42, 74, 0.05);
    position: absolute;
    top: 10px;
    right: 20px;
}

.step-card h3 {
    margin: 1.5rem 0 1rem;
    font-size: 1.3rem;
}

.step-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Modules */
.modules {
    padding: 80px 0;
    overflow: hidden;
}

.modules-container {
    display: flex;
    align-items: stretch;
    gap: 1.5rem;
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 1rem;
}

.modules-sidebar {
    flex: 0 0 260px;
    padding-top: 1rem;
}

.modules-wrapper {
    flex: 1;
    overflow: hidden;
}

.modules-track {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
}

.module-card-new {
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.module-card-new:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.ai-engine-tag {
    color: var(--secondary);
    font-size: 0.65rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    letter-spacing: 0.5px;
}

.module-icon-new {
    width: 45px;
    height: 45px;
    background: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.module-card-new h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
    line-height: 1.3;
}

.module-card-new p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    flex-grow: 1;
    line-height: 1.4;
}

.card-link {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
    text-decoration: none;
}

.card-link:hover {
    color: var(--secondary);
}

/* Responsive fixes for new modules design */
@media (max-width: 1200px) {
    .modules-track {
        grid-template-columns: repeat(3, 1fr);
    }
    .modules-container {
        flex-direction: column;
        align-items: flex-start;
    }
    .modules-sidebar {
        flex: none;
        width: 100%;
        margin-bottom: 1rem;
    }
}

@media (max-width: 768px) {
    .modules-track {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .modules-track {
        grid-template-columns: 1fr;
    }
}

/* Pricing */
.pricing {
    padding: 100px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.pricing-card {
    padding: 2rem;
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.popular {
    border-color: var(--primary);
    transform: scale(1.05);
    z-index: 2;
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.pricing-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 2rem;
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--primary);
}

.features {
    text-align: left;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.features li {
    margin-bottom: 1rem;
    font-size: 0.95rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 10px;
}

.features li i {
    color: var(--secondary);
}

/* Security */
.security {
    padding: 80px 0;
}

.security-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    padding: 4rem;
    align-items: center;
}

.security-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.security-text p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.security-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.security-features li {
    background: rgba(27, 42, 74, 0.03);
    padding: 1rem;
    border-radius: 8px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.security-features i {
    color: var(--secondary);
    margin-top: 5px;
}

.security-icon {
    font-size: 10rem;
    color: rgba(27, 42, 74, 0.05);
    text-align: center;
}

/* FAQ */
.faq {
    padding: 100px 0;
}

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

.faq-item {
    background: #FFFFFF;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-family: var(--font-heading);
    transition: var(--transition-fast);
}

.faq-question:hover {
    background: rgba(27, 42, 74, 0.02);
}

.faq-question i {
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    color: var(--text-muted);
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 500px; /* arbitrary max-height for animation */
}

/* Contact */
.contact {
    padding: 100px 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 0;
    overflow: hidden;
}

.contact-info {
    background: rgba(27, 42, 74, 0.02);
    padding: 4rem;
    border-right: 1px solid var(--glass-border);
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.contact-info p {
    color: var(--text-muted);
    margin-bottom: 3rem;
    font-style: italic;
}

.info-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.1rem;
}

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

.contact-form {
    padding: 4rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

input, select, textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    background: rgba(245, 247, 250, 1);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 1);
}

select option {
    background: var(--bg-main);
    color: var(--text-main);
}

/* Footer */
footer {
    background: var(--primary);
    color: #FFFFFF;
    border-top: 1px solid var(--glass-border);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 1rem;
    max-width: 300px;
}

.footer-links h4, .footer-contact h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-links ul li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-muted);
}

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

.footer-contact p {
    color: var(--text-muted);
    margin-bottom: 0.8rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr 1fr;
    }
    .hero-dashboard-wrapper {
        width: 110%;
        transform: translateX(0);
    }
    .metrics-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .pricing-card.popular {
        transform: scale(1);
    }
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-dashboard-wrapper {
        width: 100%;
        margin-top: 3rem;
        transform: none;
    }
    .hero-cta {
        justify-content: center;
    }
    .problem-grid, .modules-grid, .security-content, .contact-wrapper {
        grid-template-columns: 1fr;
    }
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .security-features {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .contact-info, .contact-form {
        padding: 2rem;
    }
    .contact-info {
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* Mobile Menu */
    .mobile-menu-btn {
        display: block;
    }
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-main);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 2rem;
        transition: 0.3s;
    }
    .nav-links.active {
        left: 0;
    }
}

@media (max-width: 480px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    .steps-grid {
        grid-template-columns: 1fr;
    }
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
}