:root {
    /* Marka renkleri */
    --primary: #005ae0;
    --primary-dark: #0049b8;
    --primary-light: #4d8ef0;
    --primary-50: rgba(0, 90, 224, 0.05);
    --primary-100: rgba(0, 90, 224, 0.1);
    --primary-200: rgba(0, 90, 224, 0.2);
    --secondary: #2f80ed;
    --secondary-dark: #0049b8;
    --accent: #009e5c;
    --accent-dark: #00854d;
    --success: #009e5c;
    --success-light: rgba(0, 170, 99, 0.1);
    --danger: #df2a4a;
    --danger-light: rgba(223, 42, 74, 0.1);
    --warning: #f18200;
    --warning-light: rgba(241, 130, 0, 0.1);
    --info: #005ae0;
    --info-light: rgba(0, 90, 224, 0.1);

    /* Nötr tonlar */
    --dark: #141b38;
    --dark-700: #2c324c;
    --dark-600: #434960;
    --light: #f6f8fc;
    --gray: #6b7280;
    --gray-light: #e8ebf1;
    --gray-100: #f2f4f8;
    --gray-200: #e3e7ee;
    --gray-300: #cbd2dd;
    --white: #ffffff;
    --navy: #141b38;
    --tint: #f2f7fd;

    /* Eski gradyan değişkenleri: düz, kurumsal tonlara çekildi */
    --gradient-primary: linear-gradient(#005ae0, #005ae0);
    --gradient-secondary: linear-gradient(#005ae0, #005ae0);
    --gradient-hero: linear-gradient(#005ae0, #005ae0);
    --gradient-mesh: linear-gradient(#005ae0, #005ae0);
    --gradient-dark: linear-gradient(135deg, #141b38 0%, #1f2747 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.85) 100%);

    --shadow-xs: 0 1px 2px rgba(20, 27, 56, 0.05);
    --shadow-sm: 0 1px 3px rgba(20, 27, 56, 0.08), 0 1px 2px rgba(20, 27, 56, 0.04);
    --shadow: 0 2px 6px rgba(20, 27, 56, 0.08);
    --shadow-md: 0 6px 16px -4px rgba(20, 27, 56, 0.1), 0 2px 4px rgba(20, 27, 56, 0.04);
    --shadow-lg: 0 12px 28px -8px rgba(20, 27, 56, 0.14);
    --shadow-xl: 0 20px 40px -12px rgba(20, 27, 56, 0.18);
    --shadow-2xl: 0 32px 64px -16px rgba(20, 27, 56, 0.22);
    --shadow-primary: 0 4px 14px -4px rgba(0, 90, 224, 0.35);
    --shadow-glow: 0 0 0 3px rgba(0, 90, 224, 0.12);

    --radius-sm: 4px;
    --radius: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-2xl: 16px;
    --radius-full: 9999px;

    --transition: all 0.18s ease;
    --transition-slow: all 0.28s ease;
    --transition-spring: all 0.28s ease;

    --font-sans: 'Figtree', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Figtree', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

    --bg-primary: #ffffff;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f2f4f8;
    --border-color: #e3e7ee;
    --text-primary: #141b38;
    --text-secondary: #5b6178;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
    overflow-x: hidden;
    letter-spacing: -0.01em;
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--gray);
}

::selection {
    background: var(--primary-200);
    color: var(--dark);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.75rem;
    letter-spacing: -0.025em;
    color: var(--dark);
}

h1 { font-size: 3.25rem; font-weight: 800; }
h2 { font-size: 2.25rem; font-weight: 800; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.375rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 0.9375rem; }

a {
    text-decoration: none;
    color: var(--primary);
    transition: var(--transition);
}
a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-fluid {
    width: 100%;
    padding: 0 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 24px;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.5;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}
.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
}
.btn:hover::after {
    opacity: 1;
}

.btn-primary {
    background: var(--gradient-hero);
    color: var(--white);
    box-shadow: var(--shadow), var(--shadow-primary);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg), 0 12px 32px -4px rgba(99, 102, 241, 0.35);
    color: var(--white);
}
.btn-primary:active {
    transform: translateY(0);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary-200);
    box-shadow: var(--shadow-xs);
}
.btn-outline:hover {
    background: var(--primary-50);
    border-color: var(--primary);
    color: var(--primary-dark);
    box-shadow: var(--shadow-sm);
}

.btn-white {
    background: var(--white);
    color: var(--dark);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}
.btn-white:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    border-color: var(--gray-300);
}

.btn-danger {
    background: var(--danger);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}
.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md), 0 8px 24px -4px rgba(239, 68, 68, 0.25);
    color: var(--white);
}

.btn-success {
    background: var(--success);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}
.btn-success:hover {
    background: #059669;
    transform: translateY(-1px);
    color: var(--white);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: 7px 16px;
    font-size: 13px;
    border-radius: var(--radius-sm);
}

.btn-xs {
    padding: 4px 10px;
    font-size: 12px;
    border-radius: 6px;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius);
}
.btn-icon.btn-sm {
    width: 32px;
    height: 32px;
}

.navbar {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0;
    height: 64px;
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding: 0 24px;
}

.navbar-brand {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 800;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.navbar-menu a {
    color: var(--dark-600);
    font-weight: 500;
    font-size: 14px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.navbar-menu a:hover {
    color: var(--primary);
    background: var(--primary-50);
}

.hero {
    background: var(--gradient-hero);
    padding: 140px 0 120px;
    position: relative;
    overflow: hidden;
    margin-top: 64px;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.3) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 100%, rgba(99, 102, 241, 0.2) 0%, transparent 50%);
}
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
}
.hero h1 {
    font-size: 3.75rem;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -0.04em;
    animation: fadeInUp 0.6s ease backwards;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.hero p {
    font-size: 1.2rem;
    margin-bottom: 36px;
    opacity: 0.9;
    animation: fadeInUp 0.6s ease 0.15s backwards;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}
.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    animation: fadeInUp 0.6s ease 0.3s backwards;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-16px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 64px;
}
.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    letter-spacing: -0.03em;
}
.section-title p {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

.section-subtitle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--primary-100);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.grid {
    display: grid;
    gap: 24px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    position: relative;
}
.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--gray-300);
    transform: translateY(-2px);
}

.card-glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.card-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-hero);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--white);
    font-size: 24px;
    box-shadow: 0 4px 12px -2px rgba(99, 102, 241, 0.3);
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
}

.card-description {
    color: var(--gray);
    line-height: 1.7;
    font-size: 14px;
    margin-bottom: 16px;
}

.tool-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}
.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--gradient-hero);
    transform: scaleY(0);
    transition: var(--transition-slow);
    transform-origin: bottom;
}
.tool-card:hover::before {
    transform: scaleY(1);
    transform-origin: top;
}
.tool-card:hover {
    border-color: var(--primary-200);
}
.tool-card:hover .card-icon {
    transform: scale(1.05);
    transition: var(--transition-spring);
}

.tool-badge {
    display: inline-block;
    padding: 4px 10px;
    background: var(--primary-100);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.feature-icon {
    width: 72px;
    height: 72px;
    background: var(--primary-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
    transition: var(--transition);
}
.card:hover .feature-icon {
    background: var(--gradient-hero);
    color: white;
    box-shadow: var(--shadow-primary);
    transform: scale(1.05) rotate(-3deg);
    transition: var(--transition-spring);
}

.pricing-card {
    text-align: center;
    position: relative;
    padding: 36px 28px;
}
.pricing-card.featured {
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: scale(1.02);
    background: linear-gradient(180deg, rgba(99,102,241,0.02) 0%, var(--white) 100%);
}
.pricing-card.featured:hover {
    transform: scale(1.04);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-hero);
    color: var(--white);
    padding: 6px 20px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.03em;
    box-shadow: var(--shadow-primary);
}

.pricing-price {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    color: var(--dark);
    margin: 20px 0;
    letter-spacing: -0.04em;
}
.pricing-price span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray);
}

.pricing-features {
    list-style: none;
    margin: 28px 0;
    text-align: left;
}
.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--dark-600);
}
.pricing-features li::before {
    content: '';
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--success-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2310b981' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 80px 0 32px;
    position: relative;
}
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 48px;
}

.footer-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-links {
    list-style: none;
}
.footer-links li {
    margin-bottom: 10px;
}
.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.footer-links a:hover {
    color: var(--white);
    transform: translateX(4px);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.4);
    font-size: 14px;
}

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light);
    padding: 40px 20px;
    position: relative;
}
.auth-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: var(--gradient-hero);
    clip-path: ellipse(120% 100% at 50% 0%);
}

.auth-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 44px;
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
    border: 1px solid var(--gray-200);
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}
.auth-header h2 {
    font-size: 1.75rem;
    margin-bottom: 8px;
}
.auth-header p {
    color: var(--gray);
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 13px;
    color: var(--dark-600);
    letter-spacing: 0.01em;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: var(--font-sans);
    transition: var(--transition);
    background: var(--white);
    color: var(--dark);
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-100);
}
.form-control::placeholder {
    color: var(--gray-300);
}

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

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' 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 12px center;
    padding-right: 36px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}
.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
    border-radius: 4px;
}

.form-text {
    font-size: 12px;
    color: var(--gray);
    margin-top: 4px;
}

.form-error {
    font-size: 12px;
    color: var(--danger);
    margin-top: 4px;
}

.alert {
    padding: 14px 18px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    animation: slideInLeft 0.3s ease;
}
.alert-success {
    background: var(--success-light);
    color: #047857;
    border: 1px solid rgba(16, 185, 129, 0.2);
}
.alert-danger {
    background: var(--danger-light);
    color: #b91c1c;
    border: 1px solid rgba(239, 68, 68, 0.2);
}
.alert-info {
    background: var(--info-light);
    color: #1d4ed8;
    border: 1px solid rgba(59, 130, 246, 0.2);
}
.alert-warning {
    background: var(--warning-light);
    color: #b45309;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.dashboard-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 272px;
    background: var(--white);
    border-right: 1px solid var(--gray-200);
    padding: 20px 0;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-brand {
    padding: 0 20px 20px;
    border-bottom: 1px solid var(--gray-100);
    margin-bottom: 20px;
}
.sidebar-brand h3 {
    font-size: 1.375rem;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-section-label {
    padding: 8px 20px 4px;
    font-size: 11px;
    font-weight: 700;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.sidebar-menu {
    list-style: none;
}
.sidebar-menu-item {
    margin-bottom: 2px;
}

.sidebar-menu-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--dark-600);
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    border-radius: 0;
    position: relative;
}
.sidebar-menu-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: var(--primary);
    transform: scaleY(0);
    transition: var(--transition);
}
.sidebar-menu-link:hover {
    background: var(--primary-50);
    color: var(--primary);
}
.sidebar-menu-link.active {
    background: var(--primary-100);
    color: var(--primary);
    font-weight: 600;
}
.sidebar-menu-link.active::before {
    transform: scaleY(1);
}

.sidebar-menu-icon {
    font-size: 18px;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
    opacity: 0.7;
}
.sidebar-menu-link:hover .sidebar-menu-icon,
.sidebar-menu-link.active .sidebar-menu-icon {
    opacity: 1;
}

.sidebar-submenu {
    list-style: none;
    padding-left: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.sidebar-submenu-link {
    display: block;
    padding: 7px 20px 7px 52px;
    color: var(--gray);
    font-size: 13px;
    transition: var(--transition);
    position: relative;
}
.sidebar-submenu-link::before {
    content: '';
    position: absolute;
    left: 36px;
    top: 50%;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gray-300);
    transform: translateY(-50%);
    transition: var(--transition);
}
.sidebar-submenu-link:hover {
    color: var(--primary);
    background: var(--primary-50);
}
.sidebar-submenu-link:hover::before {
    background: var(--primary);
}
.sidebar-submenu-link.active {
    color: var(--primary);
    font-weight: 600;
}
.sidebar-submenu-link.active::before {
    background: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.dashboard-main {
    margin-left: 272px;
    padding: 24px;
    min-height: 100vh;
    background: var(--light);
}

.dashboard-header {
    background: var(--white);
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
    box-shadow: var(--shadow-xs);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--gray-200);
}

.dashboard-title h1 {
    font-size: 1.75rem;
    margin-bottom: 4px;
}
.dashboard-title p {
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 0;
}

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

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 14px;
    box-shadow: var(--shadow-sm);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--primary-50);
    transform: translate(30%, -30%);
    transition: var(--transition);
}
.stat-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-200);
}
.stat-card:hover::after {
    transform: translate(20%, -20%);
    background: var(--primary-100);
}

.stat-label {
    color: var(--gray);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.03em;
    position: relative;
    z-index: 1;
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    background: var(--primary-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 20px;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.01em;
}
.badge-primary {
    background: var(--primary-100);
    color: var(--primary);
}
.badge-success {
    background: var(--success-light);
    color: var(--success);
}
.badge-danger {
    background: var(--danger-light);
    color: var(--danger);
}
.badge-warning {
    background: var(--warning-light);
    color: var(--warning);
}
.badge-info {
    background: var(--info-light);
    color: var(--info);
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}
table th {
    background: var(--gray-100);
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--gray-200);
}
table th:first-child {
    border-radius: var(--radius-sm) 0 0 0;
}
table th:last-child {
    border-radius: 0 var(--radius-sm) 0 0;
}
table td {
    padding: 12px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--dark-600);
}
table tbody tr {
    transition: var(--transition);
}
table tbody tr:hover {
    background: var(--primary-50);
}
table tbody tr:last-child td {
    border-bottom: none;
}

.table-wrapper {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    box-shadow: var(--shadow-xs);
}

.pagination {
    display: flex;
    align-items: center;
    gap: 4px;
    justify-content: center;
    padding: 16px;
}
.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    color: var(--gray);
}
.pagination a:hover {
    background: var(--primary-50);
    color: var(--primary);
}
.pagination .active {
    background: var(--primary);
    color: var(--white);
    box-shadow: var(--shadow-primary);
}

.empty-state {
    text-align: center;
    padding: 64px 32px;
    color: var(--gray);
}
.empty-state svg {
    margin-bottom: 16px;
    opacity: 0.3;
}
.empty-state h3 {
    color: var(--dark-600);
    margin-bottom: 8px;
}
.empty-state p {
    max-width: 360px;
    margin: 0 auto 24px;
    font-size: 14px;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.skeleton {
    background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

.tooltip {
    position: relative;
}
.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: var(--dark);
    color: var(--white);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}
.tooltip:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.divider {
    height: 1px;
    background: var(--gray-200);
    margin: 16px 0;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: var(--gray-100);
    color: var(--gray);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
}

.progress-bar {
    height: 8px;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    overflow: hidden;
}
.progress-bar-fill {
    height: 100%;
    background: var(--gradient-hero);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.dropdown {
    position: relative;
    display: inline-block;
}
.dropdown-menu {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    min-width: 200px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    padding: 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition);
    z-index: 100;
}
.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--dark-600);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
}
.dropdown-item:hover {
    background: var(--primary-50);
    color: var(--primary);
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    animation: fadeIn 0.2s ease;
}
.modal {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    animation: fadeInUp 0.3s ease;
}
.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.modal-body {
    padding: 24px;
}
.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 16px;
}
.breadcrumb a {
    color: var(--gray);
}
.breadcrumb a:hover {
    color: var(--primary);
}
.breadcrumb-separator {
    color: var(--gray-300);
}

.tab-nav {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 24px;
}
.tab-nav-item {
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}
.tab-nav-item:hover {
    color: var(--primary);
}
.tab-nav-item.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.75rem; }
    .hero h1 { font-size: 2.5rem; }
    .hero p { font-size: 1rem; }
    .hero { padding: 100px 0 80px; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .section { padding: 60px 0; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .stats-grid { grid-template-columns: 1fr; }
    .navbar-menu { display: none; }
    .dashboard-sidebar {
        transform: translateX(-100%);
        transition: var(--transition-slow);
    }
    .dashboard-sidebar.active {
        transform: translateX(0);
    }
    .dashboard-main {
        margin-left: 0;
    }
    .auth-card {
        padding: 32px 24px;
    }
    .section-title h2 { font-size: 2rem; }
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-gray { color: var(--gray); }
.text-muted { color: var(--gray); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

.p-0 { padding: 0; }
.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }
.p-5 { padding: 48px; }

.d-flex { display: flex; }
.d-grid { display: grid; }
.d-block { display: block; }
.d-none { display: none; }
.d-inline-flex { display: inline-flex; }
.flex-wrap { flex-wrap: wrap; }
.flex-column { flex-direction: column; }
.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-end { justify-content: flex-end; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }
.gap-4 { gap: 32px; }

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

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

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

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   Tasarım sistemi v2 — sade, kurumsal görünüm
   (Önceki kuralların üzerine yazar; renkler :root değişkenlerinden gelir.)
   ========================================================================== */

body {
    font-size: 15px;
    line-height: 1.6;
    letter-spacing: 0;
    color: var(--dark-600);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.015em;
    line-height: 1.25;
    color: var(--dark);
}
h1 { font-size: 2.5rem; }
h2 { font-size: 1.875rem; font-weight: 700; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

/* Butonlar: düz renk, küçük köşe yarıçapı, parlama/zıplama efekti yok */
.btn {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 14px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    line-height: 1.4;
    letter-spacing: 0.01em;
    overflow: visible;
}
.btn::after { display: none; }
.btn:focus-visible { outline: none; box-shadow: var(--shadow-glow); }

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: none;
}
.btn-primary:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: none;
    box-shadow: none;
}

.btn-accent,
.btn-success {
    background: var(--accent);
    color: #fff;
    box-shadow: none;
}
.btn-accent:hover,
.btn-success:hover {
    background: var(--accent-dark);
    color: #fff;
    transform: none;
}

.btn-outline {
    background: var(--white);
    color: var(--primary);
    border: 1px solid var(--gray-300);
    box-shadow: none;
}
.btn-outline:hover {
    background: var(--tint);
    border-color: var(--primary);
    color: var(--primary-dark);
    box-shadow: none;
}

.btn-outline-accent {
    background: #fff;
    color: var(--accent);
    border: 1px solid var(--accent);
}
.btn-outline-accent:hover {
    background: rgba(0, 170, 99, 0.06);
    color: var(--accent-dark);
}

.btn-white:hover,
.btn-danger:hover { transform: none; box-shadow: none; }

.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: var(--radius-sm); }
.btn-sm { padding: 7px 14px; font-size: 13px; border-radius: var(--radius-sm); }
.btn-xs { border-radius: var(--radius-sm); }
.btn-icon { border-radius: var(--radius-sm); }

/* Kartlar */
.card {
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--gray-200);
}
.card:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
    border-color: var(--gray-300);
}
.card-icon {
    width: 44px;
    height: 44px;
    background: var(--tint);
    color: var(--primary);
    border-radius: var(--radius-lg);
    box-shadow: none;
    font-size: 20px;
    margin-bottom: 16px;
}
.card-title { font-size: 1.0625rem; font-weight: 700; }
.card-description { color: var(--text-secondary); }
.feature-icon { background: var(--tint); color: var(--primary); border-radius: var(--radius-lg); }
.card:hover .feature-icon { background: var(--primary); color: #fff; box-shadow: none; transform: none; }
.tool-card::before { background: var(--primary); }
.tool-badge { border-radius: var(--radius-sm); text-transform: none; letter-spacing: 0; }

/* Formlar */
.form-label { font-size: 13px; font-weight: 600; color: var(--dark); letter-spacing: 0; }
.form-control {
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    padding: 10px 12px;
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--dark);
}
.form-control:hover { border-color: #aeb7c6; }
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-100); }
.form-control::placeholder { color: #9aa3b2; }

/* Uyarılar ve rozetler */
.alert { border-radius: var(--radius); font-weight: 500; }
.alert-success { color: #00744a; border-color: rgba(0, 170, 99, 0.25); }
.alert-danger { color: #b3173a; border-color: rgba(223, 42, 74, 0.25); }
.alert-info { color: var(--primary-dark); border-color: rgba(0, 90, 224, 0.2); }
.alert-warning { color: #a85a00; border-color: rgba(241, 130, 0, 0.25); }
.badge { border-radius: var(--radius-sm); font-weight: 600; letter-spacing: 0; }

/* Tablolar */
table th {
    background: var(--gray-100);
    color: var(--dark-600);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
}
table td { color: var(--dark-600); border-bottom-color: var(--gray-200); }
table tbody tr:hover { background: var(--tint); }
.table-wrapper { border-radius: var(--radius-lg); }

/* İstatistik kartları */
.stat-card { border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); }
.stat-card::after { display: none; }
.stat-card:hover { box-shadow: var(--shadow-sm); border-color: var(--gray-300); }
.stat-value { font-weight: 700; letter-spacing: -0.02em; }
.stat-icon { background: var(--tint); border-radius: var(--radius-lg); }

/* Giriş / kayıt sayfaları */
.auth-container::before { background: var(--primary); clip-path: none; height: 280px; }
.auth-card { border-radius: var(--radius-xl); padding: 40px; box-shadow: var(--shadow-lg); }

.pagination .active { background: var(--primary); }