:root {
    /* Premium Color Palette - Sophisticated & Clean */
    --bg-light: #FFFCF9; /* Clean cream white */
    --bg-dark: #050505; /* Deeper black for more contrast */
    
    --acc-primary: #FF5A00; /* Menuverse Orange */
    --acc-hover: #E65100;
    --acc-soft: rgba(255, 90, 0, 0.08);
    
    --text-main: #1A1A1A; /* Dark Anthracite */
    --text-muted: #666666;
    --text-on-dark: #F2F2F2;
    
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(0, 0, 0, 0.04);
    --glass-shadow: 0 20px 50px -12px rgba(0, 0, 0, 0.08);
    
    --radius-sm: 14px;
    --radius-md: 24px;
    --radius-lg: 32px;
    
    --transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --container-width: 1240px;
}

[data-theme="dark"] {
    --bg-light: #050505;
    --bg-dark: #FFFCF9; 
    --text-main: #F5F5F7;
    --text-muted: #86868B;
    --glass-bg: rgba(20, 20, 20, 0.6);
    --glass-border: rgba(255, 255, 255, 0.06);
    --glass-shadow: 0 40px 100px -20px rgba(0, 0, 0, 0.8);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Sayfa Konteynırları */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 40px;
    }
}

.section-padding {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
    color: var(--text-main);
    line-height: 1.1;
}

.section-header p {
    color: var(--text-muted);
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    max-width: 650px;
    margin: 0 auto;
    font-weight: 400;
}

/* Helper Classes */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(25px) saturate(180%);
    -webkit-backdrop-filter: blur(25px) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.glass-section {
    position: relative;
}

.glass-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

/* Modern Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 1.05rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    gap: 10px;
}

.btn-primary {
    background: var(--acc-primary);
    color: #fff;
    box-shadow: 0 10px 25px -5px rgba(255, 90, 0, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px -5px rgba(255, 90, 0, 0.5);
    background: var(--acc-hover);
}

.whatsapp-btn {
    background: #25D366;
    box-shadow: 0 10px 25px -5px rgba(37, 211, 102, 0.45);
}

.whatsapp-btn:hover {
    background: #1EBE5D;
    box-shadow: 0 15px 35px -5px rgba(37, 211, 102, 0.55);
}

.btn-glass {
    background: rgba(0, 0, 0, 0.03);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-glass:hover {
    background: rgba(0, 0, 0, 0.06);
    transform: translateY(-3px);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.15rem;
}

.btn-full {
    width: 100%;
}

/* Floating Header & Navbar */
.header {
    position: fixed;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 1100px;
    z-index: 1000;
    padding: 12px 14px 12px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 100px;
    transition: var(--transition);
}

.header.scrolled {
    top: 4px;
    padding: 10px 14px 10px 24px;
    background: var(--glass-bg);
    border-color: var(--glass-border);
    box-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.08);
}

.logo {
    display: flex;
    align-items: center;
    height: 60px;
    z-index: 1001;
}

.logo img {
    height: 100%;
    width: auto;
    object-fit: contain;
    /* Cam üzerinde logonun belirlenmesi için hafif gölge */
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
    flex: 1;
    justify-content: center;
}

@media (max-width: 1100px) {
    .nav-links {
        gap: 16px;
    }
}

.header-nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-link {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    padding: 8px 4px;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--acc-primary);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-main);
}

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

.desktop-demo-btn {
    display: flex;
}

.auth-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 20px;
}

.nav-btn-secondary {
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
    transition: var(--transition);
}

.nav-btn-secondary:hover {
    color: var(--acc-primary);
}

.nav-btn-primary {
    padding: 10px 24px;
    font-size: 0.9rem;
    font-weight: 700;
    background: var(--acc-primary);
    color: #fff;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(255, 90, 0, 0.2);
    transition: var(--transition);
}

.nav-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 90, 0, 0.4);
    background: var(--acc-hover);
}

@media (max-width: 992px) {
    .auth-buttons {
        display: none;
    }

    .mobile-auth-links {
        display: flex;
        flex-direction: column;
        gap: 15px;
        margin-top: 30px;
        padding-top: 20px;
        border-top: 1px solid rgba(255,255,255,0.1);
        width: 100%;
    }

    .mobile-auth-links .nav-link.highlight {
        color: var(--acc-primary);
        font-weight: 700;
    }
}

.mobile-demo-btn {
    display: none;
}

/* Hamburger Menü İkonu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger .bar {
    height: 3px;
    width: 100%;
    background-color: var(--text-main);
    border-radius: 10px;
    transition: var(--transition);
}

/* Hero Section Enhancement */
.hero {
    min-height: 100vh;
    height: 100vh; /* Force height on desktop */
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px; /* Reduced to fit better */
    padding-bottom: 40px;
    overflow: hidden;
}

.hero-bg-glow {
    position: absolute;
    top: 30%;
    right: 0%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 90, 0, 0.12) 0%, transparent 70%);
    z-index: -1;
    filter: blur(80px);
}

.hero h1 {
    font-size: clamp(3rem, 7vw, 4.5rem);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 30px;
    letter-spacing: -0.04em;
    color: var(--text-main);
}

.hero h1 span {
    background: linear-gradient(135deg, var(--acc-primary), #FF8A00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}

.hero p {
    font-size: clamp(1.1rem, 2.5vw, 1.25rem);
    color: var(--text-muted);
    max-width: 580px;
    margin-bottom: 48px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

.badge {
    padding: 10px 20px;
    background: var(--acc-soft);
    color: var(--acc-primary);
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 30px;
    display: inline-block;
}

.hero h1 {
    font-size: clamp(2.4rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero h1 span {
    color: var(--acc-primary);
    position: relative;
    display: inline;
    /* Sarmayı sağlamak için inline-block'tan inline'a çevrildi */
}

.hero h1 span::after {
    content: '';
    position: absolute;
    bottom: 4px;
    /* Konum ayarlandı */
    left: 0;
    width: 100%;
    height: 6px;
    /* Hafifçe inceltilmiş çizgi */
    background: rgba(255, 90, 0, 0.2);
    z-index: -1;
    border-radius: 4px;
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: var(--text-muted);
    max-width: 550px;
    margin: 0 0 32px 0;
    text-align: left;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: flex-start;
    /* Sola hizalandı */
    flex-wrap: wrap;
}

/* 3D + Metin İçin Hero İçerik Sarmalayıcı */
.hero-content-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    text-align: left;
}

.hero-text {
    flex: 1.2;
}

.hero-3d-model {
    flex: 0.8;
    position: relative;
    width: 100%;
    height: 450px; /* Reduced for better fit */
}

.model-3d-preview {
    width: 100%;
    height: 100%;
    --poster-color: transparent;
    display: block;
    outline: none;
    /* Yüzen modelin görünürlüğü için kutu konteynırı kaldırıldı */
}

.hero-3d-model::after {
    content: '';
    position: absolute;
    bottom: 10%;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 20px;
    background: radial-gradient(ellipse at center, rgba(255, 90, 0, 0.15), transparent 70%);
    filter: blur(15px);
    z-index: -1;
    border-radius: 50%;
}

@media (max-width: 992px) {
    .hero {
        padding-top: 120px;
        /* Mobil için başlık alanı artırıldı */
        min-height: auto;
        /* İçeriğin merkezlenmesini zorlamadan kaymaya izin ver */
    }

    .hero-content-wrapper {
        flex-direction: column;
        text-align: center;
        width: 100%;
        gap: 0;
    }

    .hero-text {
        width: 100%;
        margin-top: 0;
        padding-bottom: 40px;
    }

    .hero h1 {
        font-size: clamp(1.8rem, 10vw, 2.8rem);
        margin-bottom: 20px;
    }

    .hero-3d-model {
        height: 380px;
        /* Sabit yükseklik */
        width: 100%;
        order: -1;
        margin-bottom: 10px;
        z-index: 5;
    }

    .model-3d-preview {
        border: none;
        background: radial-gradient(circle, rgba(255, 90, 0, 0.1), transparent 70%);
        transform: scale(1.1);
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
        align-items: center;
    }

    .hero-actions .btn {
        width: 100%;
        max-width: 320px;
    }
}

/* Çok Küçük Cihazlar (iPhone SE, vb.) */
@media (max-width: 380px) {
    .hero h1 {
        font-size: 2.1rem;
        /* Çok dar ekranlar için yedek boyut */
    }

    .pricing-card {
        padding: 30px 20px;
    }

    .section-padding {
        padding: 60px 0;
    }
}

/* Modern Features Grid - Border Style */
.features-grid-modern {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin-top: 60px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-item {
    padding: 60px 40px;
    text-align: center;
    border-right: 1px solid rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.feature-item:nth-child(3n) {
    border-right: none;
}

.feature-item:hover {
    background: rgba(255, 90, 0, 0.02);
}

.feature-icon-simple {
    font-size: 2rem;
    color: #4A6363; /* Subtle teal/muted green */
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 40px;
}

.feature-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}

.feature-item p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    max-width: 280px;
    margin: 0 auto;
}

@media (max-width: 992px) {
    .features-grid-modern {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-item {
        border-right: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .feature-item:nth-child(2n) {
        border-right: none;
    }
}

@media (max-width: 576px) {
    .features-grid-modern {
        grid-template-columns: 1fr;
    }
    
    .feature-item {
        border-right: none;
        padding: 40px 20px;
    }
}


/* How it Works Refined */
.steps-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
    padding: 48px 32px;
    background: var(--glass-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.step:hover {
    transform: scale(1.02);
    border-color: var(--acc-primary);
}

.step-icon {
    width: 80px;
    height: 80px;
    background: var(--acc-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    position: relative;
    box-shadow: 0 10px 20px rgba(255, 90, 0, 0.2);
}

.step-number {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--text-main);
    color: var(--bg-light);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 0.9rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step h3 {
    font-size: 1.4rem;
    font-weight: 700;
}

.step p {
    color: var(--text-muted);
    font-size: 1rem;
}

@media (max-width: 992px) {
    .steps-container {
        grid-template-columns: 1fr;
    }
}

.step-connector {
    width: 2px;
    height: 40px;
    background: var(--glass-border);
    margin: 0 auto;
    display: none;
    /* Değiştirilirse sadece masaüstünde görünür */
}

/* Referanslar (Statik Izgaraya Dönüştürüldü) */
.testimonial-card {
    width: 100%;
    padding: 32px;
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
}

/* FAQ Section */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.faq-item {
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 28px;
    background: var(--glass-bg);
}

.faq-item h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    line-height: 1.35;
}

.faq-item p {
    color: var(--text-muted);
    font-size: 1rem;
}

@media (max-width: 768px) {
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

.testimonial-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 90, 0, 0.4);
    box-shadow: 0 10px 30px rgba(255, 90, 0, 0.1);
}

.stars {
    color: #FFD700;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.quote {
    font-size: 1.05rem;
    font-style: italic;
    margin-bottom: 24px;
    flex-grow: 1;
}

.author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    font-size: 1rem;
    margin-bottom: 2px;
}

.author-info span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Pricing Table Modernization */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    align-items: flex-start;
}

.pricing-card {
    padding: 60px 48px;
    border-radius: var(--radius-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 40px 80px -20px rgba(0, 0, 0, 0.1);
}

.premium-card {
    background: var(--bg-light);
    border: 2px solid var(--acc-primary);
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 30px 60px -15px rgba(255, 90, 0, 0.15);
    position: relative;
    z-index: 2;
}

.premium-card::before {
    content: 'TAVSİYE EDİLEN';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--acc-primary);
    color: white;
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 1px;
    box-shadow: 0 10px 20px rgba(255, 90, 0, 0.3);
}

.pricing-card h3 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.price {
    font-size: 4rem;
    font-weight: 800;
    margin: 20px 0;
    line-height: 1;
    letter-spacing: -0.04em;
}

.price .currency {
    font-size: 1.5rem;
    vertical-align: super;
}

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

.plan-desc {
    color: var(--text-muted);
    margin-bottom: 40px;
    font-size: 1.05rem;
}

.features-list {
    margin-bottom: 48px;
}

.features-list li {
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 1rem;
}

.features-list i {
    color: var(--acc-primary);
    font-size: 1rem;
}

/* Ultra-Minimalist Contact Form */
.contact-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    padding: 80px;
    border-radius: var(--radius-lg);
    background: white;
    box-shadow: 0 40px 100px -30px rgba(0, 0, 0, 0.05);
}

.contact-content h2 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.contact-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 48px;
}

.contact-form {
    padding: 0;
    background: transparent;
    border: none;
}

#lead-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-input {
    width: 100%;
    padding: 20px 0;
    background: transparent;
    border: none;
    border-bottom: 2px solid #E5E5E5;
    border-radius: 0;
    font-size: 1.1rem;
    color: var(--text-main);
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--acc-primary);
    padding-left: 10px;
}

.form-input::placeholder {
    color: #BBB;
}

.form-helper {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.5;
    margin-top: -6px;
}

/* Footer Cleanup */
.footer {
    padding: 100px 0 40px;
    background: var(--bg-light);
    border-top: 1px solid var(--glass-border);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 64px;
    margin-bottom: 80px;
}

.footer-brand p {
    margin-top: 24px;
    max-width: 300px;
    font-size: 1.05rem;
}

.social-links {
    margin-top: 32px;
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--acc-soft);
    color: var(--acc-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--acc-primary);
    color: white;
    transform: translateY(-5px);
}

.footer-links h4 {
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--text-main);
}

.footer-links a {
    display: block;
    margin-bottom: 16px;
    color: var(--text-muted);
    font-weight: 500;
}

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

.footer-bottom {
    padding-top: 40px;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: #999;
}

/* Animasyonlar */
/* 60FPS Performansı İçin Animasyonlar Devre Dışı Bırakıldı */
.animate-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
}

/* ==========================================
   Mobil Duyarlı Stiller (Genellikle Masaüstü Öncelikli Yapı İçin Uygulanıyor)
   ========================================== */
@media (max-width: 992px) {
    .contact-box {
        grid-template-columns: 1fr;
        padding: 40px 30px;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {

    /* Başlık ve Mobil Navigasyon */
    .header {
        width: 92%;
        top: 4px;
        border-radius: 100px;
        padding: 8px 12px 8px 16px;
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        backdrop-filter: blur(15px);
    }

    .desktop-demo-btn {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .nav-links {
        position: fixed;
        left: 0;
        top: 0;
        flex-direction: column;
        background: rgba(5, 5, 5, 0.98);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        width: 100%;
        height: 100vh;
        text-align: center;
        transform: translateX(-100%);
        visibility: hidden;
        pointer-events: none;
        transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                    visibility 0.6s step-end;
        padding-top: 120px;
        gap: 0;
        z-index: 1000;
        display: flex;
        border: none;
    }

    .nav-links.active {
        transform: translateX(0);
        visibility: visible;
        pointer-events: auto;
        transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                    visibility 0s step-start;
    }

    .mobile-auth-links {
        display: flex;
        flex-direction: column;
        padding: 20px;
        gap: 10px;
    }

    .nav-link {
        display: block;
        padding: 24px;
        font-size: 1.4rem;
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        color: var(--text-main);
    }

    .header-nav-actions {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 4px;
        order: 2;
    }

    .header-actions {
        background: transparent;
        border: none;
        padding: 2px;
        gap: 4px;
        box-shadow: none;
    }

    .lang-selector-premium {
        border-left: none;
        padding-left: 2px;
    }

    .lang-options {
        display: none !important;
    }

    .lang-selector-premium i {
        font-size: 1.1rem;
        padding: 6px;
        color: var(--text-main);
    }

    .theme-toggle {
        width: 32px;
        height: 32px;
    }

    .mobile-only {
        display: flex !important;
    }
}

.mobile-only {
    display: none !important;
}

/* --- Toolbar (Tema ve Dil) --- */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    padding: 6px 16px;
    border-radius: 100px;
    transition: var(--transition);
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.01);
}

.header-actions:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 90, 0, 0.3);
}

.theme-toggle {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 0.95rem;
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: scale(1.1);
    color: var(--acc-primary);
}

.lang-selector-premium {
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 1px solid var(--glass-border);
    padding-left: 10px;
}



.lang-options {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 700;
}

.lang-opt {
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
    padding: 4px;
}

.lang-opt.active {
    color: var(--text-main);
}

.lang-sep {
    color: var(--glass-border);
    font-weight: 300;
}

/* Light Mode Ekstra Düzenleme */
[data-theme="light"] .header.scrolled {
    background: rgba(255, 255, 255, 0.9);
}

@media (max-width: 992px) {
    .header-actions {
        order: initial;
        margin-right: 0;
        gap: 4px;
        padding: 2px 6px;
        background: transparent;
        border: none;
    }

    .lang-selector-premium {
        border-left: none;
        padding-left: 4px;
    }

    .lang-options {
        display: flex;
        font-size: 0.8rem;
    }


}



/* Mobil Alt Bölüm Düzenlemeleri (768px) */
@media (max-width: 768px) {
    .mobile-demo-btn {
        display: inline-flex;
        margin-top: 30px;
        padding: 16px 32px;
    }

    /* Bölüm Ayarları */
    .hero {
        padding-top: 120px;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }

    /* Adımlar */
    .step {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 24px;
    }

    /* Fiyatlandırma */
    .premium-card {
        transform: scale(1);
        /* Taşmayı önlemek için mobilde ölçeklendirmeyi kaldır */
    }

    /* Alt Bilgi (Footer) */
    .footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .auth-buttons {
        display: none !important;
    }

    .social-links {
        justify-content: center;
    }
}

/* Pricing Toggle & Additional UI */
.pricing-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--acc-soft);
    color: var(--acc-primary);
    padding: 8px 16px;
    border-radius: 100px;
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 24px;
}

.pricing-toggle-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 60px;
    font-weight: 700;
}

.price-toggle-wrap {
    width: 64px;
    height: 32px;
    background: #E5E5E5;
    border-radius: 100px;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
}

.price-toggle-knob {
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    position: absolute;
    top: 4px;
    left: 4px;
    transition: var(--transition);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.pricing-toggle-container.yearly-active .price-toggle-knob {
    left: 36px;
    background: var(--acc-primary);
}

.pricing-toggle-container.yearly-active .price-toggle-wrap {
    background: var(--acc-soft);
}

.discount-badge {
    font-size: 0.75rem;
    background: #4ADE80;
    color: white;
    padding: 4px 12px;
    border-radius: 100px;
    margin-left: 10px;
}

/* --- Cookie Banner Modern --- */
.cookie-banner {
    position: fixed;
    bottom: 30px;
    left: 30px;
    right: 30px;
    max-width: 600px;
    margin: 0 auto;
    padding: 24px 32px;
    border-radius: var(--radius-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    z-index: 9999;
    transform: translateY(150%);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.cookie-banner.active {
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--text-main);
    font-size: 0.95rem;
}

.cookie-content i {
    font-size: 1.8rem;
    color: var(--acc-primary);
}

.cookie-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

.cookie-link {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-decoration: underline;
    white-space: nowrap;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .cookie-banner {
        flex-direction: column;
        text-align: center;
        bottom: 20px;
        left: 20px;
        right: 20px;
        padding: 24px;
    }
}

/* --- Reveal Animation --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.2s; }
.reveal-delay-2 { transition-delay: 0.4s; }