/*
Theme Name: USGT Theme
Theme URI: https://usgt.org.tr
Author: USGT Dijital Ekip
Author URI: https://usgt.org.tr
Description: Türkiye'nin Siber Güvenlik Topluluğu kurumsal web sitesi ve üye portalı teması.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: usgt-theme
*/

:root {
    --usgt-dark: #000000;
    --usgt-light: #f8f8f8;
    --usgt-green: #333333;
    --usgt-green-hover: #555555;
    --usgt-text: #1a1a1a;
    --usgt-text-light: #666666;
    --usgt-border: #e5e5e5;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: var(--usgt-text);
    background-color: var(--usgt-light);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

a {
    color: var(--usgt-green);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--usgt-green-hover);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--usgt-dark);
    font-weight: 700;
    margin-top: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background-color: var(--usgt-dark);
    padding: 20px 0;
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.site-branding a {
    color: var(--usgt-green);
    font-size: 24px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.main-navigation ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 20px;
}

.main-navigation a {
    color: #fff;
    font-weight: 500;
}

.main-navigation a:hover {
    color: var(--usgt-green);
}

.header-actions .btn {
    background-color: var(--usgt-green);
    color: var(--usgt-dark);
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: 600;
}

.header-actions .btn:hover {
    background-color: var(--usgt-green-hover);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--usgt-dark) 0%, #222222 100%);
    color: #fff;
    padding: 100px 0;
    text-align: center;
}

.hero-section h1 {
    color: #fff;
    font-size: 48px;
    margin-bottom: 20px;
}

.hero-section p {
    font-size: 20px;
    color: #cbd5e1;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary {
    background-color: var(--usgt-green);
    color: var(--usgt-dark);
    padding: 15px 30px;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    display: inline-block;
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--usgt-green);
    color: var(--usgt-green);
    padding: 13px 30px;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    display: inline-block;
    margin-left: 15px;
}

.btn-primary:hover, .btn-secondary:hover {
    background-color: #fff;
    color: var(--usgt-dark);
    border-color: #fff;
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

/* Footer */
.site-footer {
    background-color: var(--usgt-dark);
    color: #cbd5e1;
    padding: 60px 0 20px;
}

.site-footer a {
    color: var(--usgt-green);
}

.footer-widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-widget h4 {
    color: #fff;
    margin-bottom: 20px;
}

.footer-widget ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-widget ul li {
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 14px;
}