/* Offshore Hizmetleri - Corporate Theme 2025 */

:root {
    /* Corporate Palette */
    --primary: #0f172a;           /* Navy Blue */
    --primary-light: #334155;     /* Lighter Navy */
    --accent: #2563eb;            /* Bright Blue for actions */
    --accent-hover: #1d4ed8;      
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    /* Neutrals */
    --bg-body: #f8fafc;           /* Very light blue-grey */
    --bg-card: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    
    /* 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);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Navbar */
.navbar {
    background-color: var(--primary);
    box-shadow: var(--shadow-md);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: -0.5px;
    font-size: 1.5rem;
}

.nav-link {
    font-weight: 500;
    color: rgba(255,255,255,0.8) !important;
    transition: color 0.2s;
}

.nav-link:hover, .nav-link.active {
    color: #fff !important;
}

/* Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

/* Buttons */
.btn {
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--accent);
    border-color: var(--accent);
}

.btn-outline-primary:hover {
    background-color: var(--accent);
    color: #fff;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.025em;
}

.section-title {
    margin-bottom: 2.5rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--accent);
    border-radius: 2px;
}

/* Tables */
.table thead th {
    background-color: var(--bg-body);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-color);
}

.table td {
    vertical-align: middle;
    color: var(--text-main);
}

/* Forms */
.form-control, .form-select {
    border-color: var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Utilities */
.text-primary { color: var(--accent) !important; }
.bg-light { background-color: var(--bg-body) !important; }

/* Hero Section (for index.php) */
.hero-section {
    background: linear-gradient(135deg, var(--primary) 0%, #1e293b 100%);
    color: white;
    padding: 6rem 0;
    margin-bottom: 3rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 2.5rem;
}

/* Footer */
footer {
    background-color: var(--primary);
    color: rgba(255,255,255,0.7);
    padding: 4rem 0 2rem;
    margin-top: auto;
}

footer h5 {
    color: white;
    margin-bottom: 1.5rem;
}

footer a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
}

footer a:hover {
    color: white;
}

/* Badges */
.badge {
    padding: 0.5em 0.75em;
    font-weight: 600;
    border-radius: 0.375rem;
}

/* Alerts */
.alert {
    border: none;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-sm);
}

/* Colorful Text Animation */
.colorful-text {
    background: linear-gradient(to right, #ff0000, #ff7f00, #ffff00, #00ff00, #0000ff, #4b0082, #9400d3);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent !important;
    background-size: 200% auto;
    animation: rainbow-text 5s linear infinite;
}

@keyframes rainbow-text {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}