/* ============================================
   DEEPSTRAP 2.0 - 16'lık Grid Sistemi
   ============================================ */

/* CSS Variables */
:root {
    /* Light Theme */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-card: #ffffff;
    --text-primary: #2d2d2d;
    --text-secondary: #6c757d;
    --text-muted: #999;
    --border-color: #e9ecef;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.06);
    --shadow: 0 4px 6px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --accent: #ff6b6b;
    --accent-hover: #e55a5a;
    --accent-light: #fff0f0;
    --success: #51cf66;
    --warning: #fcc419;
    --danger: #ff6b6b;
    --info: #4dabf7;
    --radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-card: #1a1a1a;
    --text-primary: #f1f3f5;
    --text-secondary: #adb5bd;
    --text-muted: #6c757d;
    --border-color: #2d2d2d;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.4);
    --shadow: 0 4px 6px rgba(0,0,0,0.5);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.6);
    --accent: #ff8787;
    --accent-hover: #ff6b6b;
    --accent-light: #2d1a1a;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

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

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

/* ============ GRID SYSTEM ============ */
.grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(16, 1fr);
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Kolon Sınıfları */
.col-1 { grid-column: span 1; }
.col-2 { grid-column: span 2; }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-10 { grid-column: span 10; }
.col-11 { grid-column: span 11; }
.col-12 { grid-column: span 12; }
.col-13 { grid-column: span 13; }
.col-14 { grid-column: span 14; }
.col-15 { grid-column: span 15; }
.col-16 { grid-column: span 16; }

/* Grid Hizalama */
.grid-center {
    justify-items: center;
    align-items: center;
}

.grid-between {
    justify-content: space-between;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1200px) {
    .grid {
        grid-template-columns: repeat(12, 1fr);
        gap: 20px;
    }
    .col-xl-1 { grid-column: span 1; }
    .col-xl-2 { grid-column: span 2; }
    .col-xl-3 { grid-column: span 3; }
    .col-xl-4 { grid-column: span 4; }
    .col-xl-5 { grid-column: span 5; }
    .col-xl-6 { grid-column: span 6; }
    .col-xl-7 { grid-column: span 7; }
    .col-xl-8 { grid-column: span 8; }
    .col-xl-9 { grid-column: span 9; }
    .col-xl-10 { grid-column: span 10; }
    .col-xl-11 { grid-column: span 11; }
    .col-xl-12 { grid-column: span 12; }
}

@media (max-width: 992px) {
    .grid {
        grid-template-columns: repeat(8, 1fr);
        gap: 18px;
    }
    .col-lg-1 { grid-column: span 1; }
    .col-lg-2 { grid-column: span 2; }
    .col-lg-3 { grid-column: span 3; }
    .col-lg-4 { grid-column: span 4; }
    .col-lg-5 { grid-column: span 5; }
    .col-lg-6 { grid-column: span 6; }
    .col-lg-7 { grid-column: span 7; }
    .col-lg-8 { grid-column: span 8; }
}

@media (max-width: 768px) {
    .grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
        padding: 0 16px;
    }
    .col-md-1 { grid-column: span 1; }
    .col-md-2 { grid-column: span 2; }
    .col-md-3 { grid-column: span 3; }
    .col-md-4 { grid-column: span 4; }
    .col-md-none { display: none; }
}

@media (max-width: 576px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        padding: 0 12px;
    }
    .col-sm-1 { grid-column: span 1; }
    .col-sm-2 { grid-column: span 2; }
    .col-sm-none { display: none; }
}

/* ============ UTILITY CLASSES ============ */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Padding */
.p-1 { padding: 10px; }
.p-2 { padding: 20px; }
.p-3 { padding: 30px; }
.p-4 { padding: 40px; }
.p-5 { padding: 60px; }

.py-1 { padding-top: 10px; padding-bottom: 10px; }
.py-2 { padding-top: 20px; padding-bottom: 20px; }
.py-3 { padding-top: 30px; padding-bottom: 30px; }
.py-4 { padding-top: 40px; padding-bottom: 40px; }
.py-5 { padding-top: 60px; padding-bottom: 60px; }

.px-1 { padding-left: 10px; padding-right: 10px; }
.px-2 { padding-left: 20px; padding-right: 20px; }

/* Margin */
.m-1 { margin: 10px; }
.m-2 { margin: 20px; }
.m-3 { margin: 30px; }
.m-auto { margin: auto; }

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mt-4 { margin-top: 40px; }
.mt-5 { margin-top: 60px; }

.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.mb-4 { margin-bottom: 40px; }
.mb-5 { margin-bottom: 60px; }

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

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--accent); }

/* Flex */
.d-flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 10px; }
.gap-2 { gap: 20px; }
.gap-3 { gap: 30px; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.btn-primary:hover {
    background: var(--accent-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
}

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

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

.btn-sm {
    padding: 8px 18px;
    font-size: 14px;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 18px;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.card-body {
    padding: 24px;
}

.card-img-top {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 40px;
}

/* Dark mode specific */
[data-theme="dark"] .card {
    border-color: var(--border-color);
}

[data-theme="dark"] .btn {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }