@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
@import 'variables.css';

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

html {
    scroll-behavior: smooth;
}

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

main {
    /* Sabit header yüksekliği için kompanzasyon */
    padding-top: 90px;
}

/* Glassmorphism Utility */
.glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}

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

a:hover {
    color: var(--color-accent-bright);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(155, 89, 182, 0.2);
    padding: var(--spacing-md) 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    min-height: 70px;
    display: flex;
    align-items: center;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo {
    font-size: var(--font-size-2xl);
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-bright));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-sm);
    list-style: none;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-links li {
    position: relative;
}

.nav-links > li > a {
    color: var(--color-text);
    font-weight: 500;
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    display: block;
    position: relative;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.nav-links > li > a:hover {
    color: var(--color-accent);
    background: rgba(155, 89, 182, 0.1);
    transform: translateY(-1px);
}

.nav-links > li > a.active {
    color: var(--color-accent);
    background: rgba(155, 89, 182, 0.15);
}

/* Dropdown Menu */
.nav-dropdown {
    position: relative;
}

.nav-dropdown > a {
    display: flex;
    align-items: center;
    gap: 4px;
}

.dropdown-arrow {
    font-size: 10px;
    transition: transform var(--transition-fast);
}

.nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(20, 20, 20, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(155, 89, 182, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs);
    min-width: 180px;
    list-style: none;
    margin: var(--spacing-xs) 0 0 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    width: 100%;
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.dropdown-menu a:hover {
    color: var(--color-accent);
    background: rgba(155, 89, 182, 0.1);
}

.dropdown-menu a.active {
    color: var(--color-accent);
    background: rgba(155, 89, 182, 0.15);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--spacing-xs);
    background: transparent;
    border: none;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 2px;
    display: block;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 2px;
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-xs);
    background: rgba(155, 89, 182, 0.1);
    border-radius: var(--radius-md);
    margin-left: var(--spacing-xs);
    border: 1px solid rgba(155, 89, 182, 0.2);
}

.lang-switch a {
    color: var(--color-text-secondary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    min-width: 32px;
    text-align: center;
}

.lang-switch a:hover {
    color: var(--color-accent);
    background: rgba(155, 89, 182, 0.2);
}

.lang-switch a.active {
    background: var(--color-accent);
    color: var(--color-text);
}

.admin-link {
    margin-left: var(--spacing-xs);
}

.admin-btn {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-bright));
    color: var(--color-text) !important;
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-md) !important;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 10px rgba(155, 89, 182, 0.3);
}

.admin-btn:hover {
    background: linear-gradient(135deg, var(--color-accent-bright), var(--color-accent));
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(155, 89, 182, 0.4);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-accent);
    color: var(--color-text);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    background: var(--color-accent-bright);
    box-shadow: var(--shadow-md);
}

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(155, 89, 182, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    text-align: left;
    z-index: 1;
    max-width: 1100px;
    padding: var(--spacing-2xl) var(--spacing-md);
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: var(--spacing-2xl);
}

.hero-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.hero-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

.hero-left {
    max-width: 600px;
}

.hero-badge-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(155, 89, 182, 0.12);
    border: 1px solid rgba(155, 89, 182, 0.4);
    font-size: var(--font-size-sm);
    color: var(--color-accent-bright);
}

.hero-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.hero-right {
    align-self: center;
}

.hero-panel {
    background: linear-gradient(135deg, rgba(45, 12, 87, 0.9), rgba(155, 89, 182, 0.85));
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.hero-stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.hero-stat-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: #ffffff;
}

.hero-tagline {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Cards */
.card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-text);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--color-bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-family);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(155, 89, 182, 0.15);
}

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

/* Sections */
.section {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

/* Footer */
footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--glass-border);
    padding: var(--spacing-xl) 0;
    text-align: center;
    color: var(--color-text-muted);
}

/* Animations */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.floating {
    animation: float 3s ease-in-out infinite;
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* Responsive */
@media (max-width: 968px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-md);
        border-top: 1px solid rgba(155, 89, 182, 0.2);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition-normal);
    }
    
    .nav-links.active {
        max-height: 90vh;
        opacity: 1;
        pointer-events: all;
        overflow-y: auto;
    }
    
    .nav-links li {
        width: 100%;
    }
    
    .nav-links > li > a {
        padding: var(--spacing-md);
        display: block;
        border-radius: var(--radius-md);
        font-size: var(--font-size-base);
    }
    
    .nav-dropdown .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: rgba(155, 89, 182, 0.05);
        border: none;
        box-shadow: none;
        margin: var(--spacing-xs) 0;
        padding: var(--spacing-xs) 0 var(--spacing-xs) var(--spacing-lg);
    }
    
    .dropdown-arrow {
        display: none;
    }
    
    .lang-switch {
        margin-top: var(--spacing-sm);
        padding-top: var(--spacing-sm);
        border-top: 1px solid rgba(155, 89, 182, 0.2);
        justify-content: center;
        width: 100%;
    }
    
    .admin-link {
        margin-left: 0;
        width: 100%;
    }
    
    .admin-btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-content {
        grid-template-columns: 1fr;
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
}