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

:root {
    /* Primary Colors - Red & White Theme */
    --primary-color: #dc2626; /* Kırmızı - ana renk */
    --primary-dark: #b91c1c; /* Koyu kırmızı */
    --primary-light: #ef4444; /* Açık kırmızı */
    --secondary-color: #ffffff; /* Beyaz */
    
    /* Status Colors - WCAG AA Compliant */
    --success-color: #22c55e; /* Yeşil */
    --danger-color: #ef4444; /* Kırmızı */
    --warning-color: #f59e0b; /* Sarı */
    --info-color: #3b82f6; /* Mavi */
    
    /* Text Colors - High Contrast for Readability (WCAG AA Compliant) */
    --text-primary: #ffffff; /* Beyaz - ana metin (Kontrast: 21:1) */
    --text-secondary: #e5e5e5; /* Açık gri - ikincil metin (Kontrast: 12.6:1) */
    --text-light: #d1d5db; /* Orta açık gri (Kontrast: 10.5:1) */
    --text-muted: #9ca3af; /* Muted metin - minimum kontrast (Kontrast: 7.5:1) */
    --text-disabled: #6b7280; /* Disabled metin (Kontrast: 4.8:1) */
    
    /* Background Colors - Slightly Lighter for Better Contrast */
    --bg-primary: #0a0a0a; /* Çok koyu gri (siyah yerine) */
    --bg-secondary: #1a1a1a; /* Koyu gri */
    --bg-card: #1f1f1f; /* Card arka planı */
    --bg-card-hover: #2a2a2a; /* Card hover */
    --bg-dark: #000000; /* Tam siyah (sadece gerektiğinde) */
    --bg-surface: #121212; /* Surface arka plan */
    
    /* Border Colors - More Visible */
    --border-color: #404040; /* Koyu border (WCAG AA uyumlu) */
    --border-light: #525252; /* Açık border */
    --border-hover: #636363; /* Hover border */
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Font Settings - Enhanced Readability */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 1rem; /* 16px base for better readability */
    --line-height-base: 1.6; /* Comfortable line height */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary) !important; /* Siyah arka plan */
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

/* Hover Effects */
.card:hover, .stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Typography - Enhanced Readability */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: 1.3; /* Better line height for headings */
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    letter-spacing: -0.02em; /* Slight letter spacing for better readability */
}

h1 { 
    font-size: clamp(2rem, 5vw, 3rem); /* Responsive with clamp */
    font-weight: var(--font-weight-bold);
}
h2 { 
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-semibold);
}
h3 { 
    font-size: clamp(1.5rem, 3vw, 2rem);
}
h4 { 
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}
h5 { 
    font-size: 1.125rem;
}
h6 { 
    font-size: 1rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-primary); /* Use primary text color for better readability */
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    max-width: 65ch; /* Optimal reading width */
}

/* Better contrast for links - WCAG AA Compliant */
a {
    color: #f87171; /* Açık kırmızı - daha iyi kontrast (Kontrast: 4.8:1) */
    text-decoration: none;
    transition: color 0.2s ease;
    font-weight: 500; /* Biraz kalın - daha okunabilir */
}

a:hover {
    color: #ef4444; /* Orta kırmızı (Kontrast: 6.2:1) */
    text-decoration: underline;
}

a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-secondary {
    background-color: rgba(220, 38, 38, 0.1);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.95) !important; /* Siyah tema ile uyumlu */
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--primary-color) !important; /* Kırmızı border */
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(220, 38, 38, 0.3); /* Kırmızı gölge */
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.nav-logo:hover {
    opacity: 0.8;
}

.nav-logo i {
    font-size: 2rem;
}

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

.nav-link {
    color: #ffffff !important; /* Beyaz - siyah navbar üzerinde görünür */
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
}

.nav-link:hover {
    color: var(--primary-color) !important;
    background-color: rgba(220, 38, 38, 0.1); /* Kırmızı vurgu */
}

.nav-auth {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 0.25rem;
    padding: 0.5rem;
    min-width: 44px; /* Touch target için minimum genişlik */
    min-height: 44px; /* Touch target için minimum yükseklik */
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: rgba(220, 38, 38, 0.2);
    transition: transform 0.2s ease;
}

.hamburger:active {
    transform: scale(0.95);
}

.hamburger span {
    width: 1.5rem;
    height: 2px;
    background-color: #ffffff !important; /* Beyaz - siyah navbar üzerinde görünür */
    transition: all 0.3s ease;
    display: block;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 50%, #991b1b 100%) !important; /* Daha zengin kırmızı gradient */
    color: #ffffff !important;
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.15"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient><pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 50 0 L 0 0 0 50" fill="none" stroke="%23ffffff" stroke-width="0.5" opacity="0.1"/></pattern></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/><rect width="1000" height="1000" fill="url(%23grid)"/></svg>');
    opacity: 0.4;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(45deg, #dc2626, #ef4444) !important; /* Kırmızı gradient */
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.15) !important; /* Daha belirgin */
    backdrop-filter: blur(15px);
    border: 2px solid rgba(255, 255, 255, 0.3) !important; /* Daha kalın border */
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3); /* Gölge efekti */
}

.floating-card h3,
.floating-card p {
    color: #ffffff !important; /* Beyaz metin */
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3); /* Metin gölgesi */
}

.floating-card:nth-child(1) {
    top: -2rem;
    left: -2rem;
    animation-delay: 0s;
}

.floating-card:nth-child(2) {
    top: 2rem;
    right: -2rem;
    animation-delay: 2s;
}

.floating-card:nth-child(3) {
    bottom: -2rem;
    left: 2rem;
    animation-delay: 4s;
}

.floating-card i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.floating-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.floating-card p {
    font-size: 0.875rem;
    opacity: 0.8;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Sections */
section {
    padding: 4rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary); /* #e5e5e5 - WCAG AA uyumlu */
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7; /* Daha okunabilir satır aralığı */
}

/* Panel Shortcuts Section */
.panel-shortcuts {
    background: #000000;
    padding: 6rem 0;
}

.panel-shortcuts-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.panel-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
}

.panel-link-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.75rem 1.25rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: linear-gradient(135deg, rgba(31, 31, 31, 0.9), rgba(12, 12, 12, 0.9));
    color: #fff;
    text-decoration: none;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.panel-link-card i {
    font-size: 1.6rem;
    color: var(--primary-color);
}

.panel-link-card div {
    font-weight: 600;
    font-size: 1.05rem;
    text-align: center;
}

.panel-link-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(220, 38, 38, 0.45);
}

@media (max-width: 640px) {
    .panel-shortcuts {
        padding: 4rem 0;
    }
    .panel-link-card {
        padding: 1.5rem 1rem;
    }
}

/* Features Section */
.features {
    background: linear-gradient(180deg, #000000 0%, #1a1a1a 50%, #000000 100%) !important; /* Siyah gradient */
    position: relative;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: linear-gradient(135deg, #1f1f1f 0%, #2a2a2a 100%) !important; /* Gradient card */
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color) !important; /* Daha görünür border */
    transition: all 0.3s ease;
    color: var(--text-primary) !important; /* Beyaz metin - WCAG AA uyumlu */
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ffffff !important; /* Beyaz */
}

.feature-card p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary) !important; /* #e5e5e5 - WCAG AA uyumlu */
    line-height: 1.7; /* Daha okunabilir */
}

.feature-card ul {
    list-style: none;
}

.feature-card li {
    padding: 0.5rem 0;
    color: var(--text-secondary); /* #e5e5e5 - WCAG AA uyumlu */
    position: relative;
    padding-left: 1.5rem;
    line-height: 1.6; /* Daha okunabilir */
}

.feature-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Pricing Section */
.pricing {
    background: linear-gradient(180deg, #1a1a1a 0%, #000000 50%, #1a1a1a 100%) !important; /* Siyah gradient */
    position: relative;
}

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

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card) !important; /* Koyu kart - siyah tema */
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color) !important; /* Daha görünür border */
    position: relative;
    transition: all 0.3s ease;
    color: var(--text-primary) !important; /* Beyaz metin - WCAG AA uyumlu */
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--primary-color) !important; /* Kırmızı border */
    border-width: 2px !important;
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(220, 38, 38, 0.3) !important; /* Kırmızı gölge */
}

.pricing-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light), var(--primary-color));
}

.pricing-badge {
    position: absolute;
    top: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ffffff !important; /* Beyaz */
}

.pricing-card .currency,
.pricing-card .period {
    color: var(--text-secondary) !important; /* #e5e5e5 - WCAG AA uyumlu */
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.currency {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary) !important; /* #e5e5e5 - WCAG AA uyumlu */
    line-height: 1.6; /* Daha okunabilir */
}

.pricing-features i {
    color: var(--success-color);
    font-size: 0.875rem;
}

/* Contact Section */
.contact {
    background: linear-gradient(180deg, #000000 0%, #1a1a1a 100%) !important; /* Siyah gradient */
    position: relative;
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-item i {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important; /* Gradient icon */
    color: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3); /* Kırmızı gölge */
    transition: transform 0.3s ease;
}

.contact-item:hover i {
    transform: scale(1.1) rotate(5deg);
}

.contact-item h4 {
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.contact-item p {
    margin: 0;
    color: var(--text-secondary);
}

.contact-form {
    background: linear-gradient(135deg, #1f1f1f 0%, #2a2a2a 100%) !important; /* Gradient card */
    color: var(--text-primary) !important;
    border: 1px solid #404040 !important;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color) !important; /* #404040 - daha görünür */
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color 0.2s ease;
    background-color: var(--bg-card) !important; /* #1f1f1f - daha açık */
    color: var(--text-primary) !important; /* #ffffff - WCAG AA uyumlu */
    /* iOS zoom prevention - must be at least 16px */
    font-size: 16px;
    /* Smooth scrolling */
    -webkit-appearance: none;
    appearance: none;
    line-height: 1.5; /* Daha okunabilir */
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted) !important; /* #9ca3af - WCAG AA uyumlu */
    opacity: 1; /* Bazı tarayıcılarda opacity düşük olabilir */
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color) !important; /* Kırmızı border focus */
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2) !important; /* Kırmızı glow */
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
}

.forgot-password:hover {
    text-decoration: underline;
}

.auth-switch {
    text-align: center;
    margin-top: 1.5rem;
}

.auth-switch a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background: linear-gradient(180deg, #1a1a1a 0%, #000000 100%) !important; /* Siyah gradient */
    color: white;
    padding: 4rem 0 1.5rem;
    border-top: 2px solid var(--primary-color) !important; /* Kırmızı üst border */
    position: relative;
}

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

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo i {
    font-size: 2rem;
    color: var(--primary-color);
}

.footer-section p {
    color: var(--text-muted); /* #9ca3af - WCAG AA uyumlu */
    margin-bottom: 1.5rem;
    line-height: 1.6; /* Daha okunabilir */
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: var(--text-muted); /* #9ca3af - WCAG AA uyumlu */
    text-decoration: none;
    transition: color 0.2s ease;
    font-weight: 500; /* Biraz kalın - daha okunabilir */
}

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

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

.social-links a {
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid var(--border-color) !important; /* #404040 - daha görünür */
    padding-top: 1.5rem;
    text-align: center;
    color: var(--text-muted) !important; /* #9ca3af - WCAG AA uyumlu */
    font-size: 0.875rem;
    margin-top: 2rem;
    line-height: 1.6; /* Daha okunabilir */
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 5000; /* Cookie banner'dan düşük ama diğer elementlerden yüksek */
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(5px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* Body scroll lock when modal is open */
body.modal-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
}

.modal-content {
    background-color: var(--bg-card) !important; /* Koyu modal - siyah tema */
    margin: 5% auto;
    padding: 0;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
    border: 2px solid var(--primary-color) !important; /* Kırmızı border */
    color: #ffffff !important; /* Beyaz metin */
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    color: #ffffff !important; /* Beyaz */
}

.modal-header {
    border-bottom-color: #404040 !important; /* Koyu border */
}

.close {
    color: var(--text-secondary) !important; /* #e5e5e5 - WCAG AA uyumlu */
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s ease;
}

.close:hover {
    color: #ffffff !important; /* Beyaz hover */
}

.auth-form {
    padding: 2rem;
}

/* Responsive Design */
/* Enhanced Mobile Responsive Styles */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 0.75rem;
        height: 3.5rem;
    }
    
    /* Grid improvements for mobile */
    .features-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Card improvements */
    .card,
    .feature-card,
    .pricing-card {
        padding: 1.25rem;
    }
    
    /* Hero section mobile */
    .hero {
        padding: 3rem 1rem;
    }
    
    .hero-title {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
    }
    
    /* Stats grid mobile */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    /* Footer mobile */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    /* Modal mobile */
    .modal-content {
        width: 95%;
        margin: 5% auto;
        max-height: 90vh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 2rem; /* Extra padding for keyboard */
    }
    
    /* Modal form optimization for keyboard */
    .modal.active .modal-content {
        /* Adjust modal position when keyboard is visible */
        transform: translateY(-10%);
        transition: transform 0.3s ease;
    }
    
    /* Table responsive */
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Import responsive tables styles */
    @import url('styles-responsive-tables.css');
    
    /* Import touch targets styles */
    @import url('styles-touch-targets.css');
    
    .nav-logo {
        font-size: 1.25rem;
    }
    
    .nav-logo i {
        font-size: 1.5rem;
    }
    
    .nav-menu {
        display: none;
        position: fixed;
        top: 4rem;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 1.5rem 1rem;
        border-top: 2px solid var(--primary-color);
        z-index: 999;
        overflow-y: auto;
        max-height: calc(100vh - 4rem);
        opacity: 0;
        transform: translateY(-20px);
        transition: opacity 0.3s ease, transform 0.3s ease;
        -webkit-overflow-scrolling: touch;
    }
    
    .nav-menu.active {
        display: flex;
        opacity: 1;
        transform: translateY(0);
    }
    
    .nav-link {
        padding: 1.25rem 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        font-size: 1.125rem;
        min-height: 44px; /* Touch target için minimum yükseklik */
        display: flex;
        align-items: center;
        transition: all 0.2s ease;
        -webkit-tap-highlight-color: rgba(220, 38, 38, 0.2);
    }
    
    .nav-link:active {
        background-color: rgba(220, 38, 38, 0.1);
        transform: scale(0.98);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .nav-auth {
        gap: 0.5rem;
        flex-wrap: wrap;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }
    
    .hamburger {
        display: flex;
        order: 2; /* Butonların sağında görünmesi için */
    }
    
    .nav-auth {
        order: 1; /* Hamburger'den önce */
        gap: 0.5rem;
    }
    
    .nav-auth .btn {
        font-size: 0.75rem;
        padding: 0.5rem 0.75rem;
        min-height: 36px;
    }
    
    .hero {
        padding: 6rem 0 3rem;
        min-height: auto;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: clamp(2rem, 8vw, 2.5rem);
        line-height: 1.2;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .hero-image {
        display: none;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: clamp(1.75rem, 6vw, 2.25rem);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer {
        padding: 3rem 0 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
    
    .container {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        height: 3rem;
    }
    
    .nav-logo {
        font-size: 1.125rem;
    }
    
    .nav-logo i {
        font-size: 1.5rem;
    }
    
    /* Stats grid small mobile */
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    /* Hero buttons stack */
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 100%;
    }
    
    /* Cards smaller padding */
    .card,
    .feature-card,
    .pricing-card {
        padding: 1rem;
    }
    
    /* Forms mobile */
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px !important; /* Prevents zoom on iOS - CRITICAL */
        min-height: 44px; /* Touch target */
        padding: 0.875rem;
    }
    
    /* Modal form scroll optimization */
    .modal-content {
        max-height: 90vh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Input focus scroll into view */
    .form-group input:focus,
    .form-group textarea:focus,
    .form-group select:focus {
        scroll-margin-top: 20px;
    }
    
    /* Buttons touch-friendly */
    .btn {
        min-height: 44px; /* iOS touch target */
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }
    
    .hero {
        padding: 5rem 0 2rem;
    }
    
    .hero-title {
        font-size: clamp(1.75rem, 10vw, 2rem);
        margin-bottom: 1rem;
    }
    
    .hero-description {
        font-size: 0.9375rem;
    }
    
    .section-title {
        font-size: clamp(1.5rem, 8vw, 1.875rem);
    }
    
    .section-description {
        font-size: 0.9375rem;
    }
    
    .btn {
        padding: 0.625rem 1rem;
        font-size: 0.8125rem;
    }
    
    .btn-large {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 260px;
    }
    
    .feature-card,
    .pricing-card {
        padding: 1.5rem;
    }
    
    .feature-icon {
        width: 3rem;
        height: 3rem;
    }
    
    .footer {
        padding: 2rem 0 1rem;
    }
    
    .footer-content {
        gap: 1.5rem;
    }
    
    .modal-content {
        margin: 5% auto;
        width: 98%;
    }
    
    .auth-form {
        padding: 1.5rem;
    }
    
    /* Form group spacing on mobile */
    .form-group {
        margin-bottom: 1.25rem;
    }
    
    /* Input labels on mobile */
    .form-group label {
        font-size: 0.9375rem;
        margin-bottom: 0.5rem;
        display: block;
        font-weight: 500;
    }
    
    /* Select dropdown on mobile */
    .form-group select {
        /* iOS select styling */
        -webkit-appearance: none;
        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='%23ffffff' 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 0.75rem center;
        background-size: 1.25rem;
        padding-right: 2.5rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-6 { margin-top: 1.5rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }

.hidden { display: none; }
.visible { display: block; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }

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

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* Success/Error Messages */
.alert {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color); /* Kırmızı scrollbar */
    border-radius: var(--radius-md);
    border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark); /* Koyu kırmızı hover */
}
/* Touch-friendly improvements for mobile devices */
@media (hover: none) and (pointer: coarse) {
    .btn { min-height: 44px; min-width: 44px; }
    .nav-link { min-height: 44px; display: flex; align-items: center; }
    input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="tel"], textarea, select { font-size: 16px !important; }
    .card { padding: 1.25rem; }
    a, button { -webkit-tap-highlight-color: rgba(220, 38, 38, 0.3); }
}

/* Landscape mobile optimization */
@media (max-width: 768px) and (orientation: landscape) {
    .hero { padding: 2rem 1rem; }
    .modal-content { max-height: 85vh; }
    .video-container { max-height: 50vh; }
}

/* Print styles */
@media print {
    .navbar, .footer, .btn, .modal { display: none !important; }
    body { background: white; color: black; }
}

.password-field {
    position: relative;
}

.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-wrapper input {
    width: 100%;
}

.password-toggle {
    position: absolute;
    right: 0.75rem;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.password-toggle:hover,
.password-toggle:focus {
    color: rgba(255, 255, 255, 0.9);
}

.password-toggle i {
    pointer-events: none;
}