/**
 * Express Yazılım - Main CSS
 * Tüm CSS dosyalarını import et ve genel stiller
 */

/* ===== CSS IMPORTS ===== */
@import url('dark-theme.css');
@import url('components.css');
@import url('responsive.css');

/* ===== GOOGLE FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ===== CSS RESET & BASE ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-accent);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-extrabold);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-relaxed);
}

.lead {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
}

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

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

strong, b {
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

.bg-primary { background: var(--bg-primary) !important; }
.bg-secondary { background: var(--bg-secondary) !important; }
.bg-tertiary { background: var(--bg-tertiary) !important; }

.fw-normal { font-weight: var(--font-weight-normal) !important; }
.fw-medium { font-weight: var(--font-weight-medium) !important; }
.fw-semibold { font-weight: var(--font-weight-semibold) !important; }
.fw-bold { font-weight: var(--font-weight-bold) !important; }

/* Spacing utilities */
.mt-0 { margin-top: 0 !important; }
.mt-4 { margin-top: var(--space-4) !important; }
.mt-6 { margin-top: var(--space-6) !important; }
.mt-8 { margin-top: var(--space-8) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.mb-5 { margin-bottom: var(--space-5) !important; }
.mb-6 { margin-bottom: var(--space-6) !important; }

.py-4 { padding-top: var(--space-4) !important; padding-bottom: var(--space-4) !important; }
.py-8 { padding-top: var(--space-8) !important; padding-bottom: var(--space-8) !important; }

.p-4 { padding: var(--space-4) !important; }
.p-6 { padding: var(--space-6) !important; }
.p-8 { padding: var(--space-8) !important; }

/* Display utilities */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }

.flex-column { flex-direction: column !important; }
.align-items-center { align-items: center !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }

.gap-2 { gap: var(--space-2) !important; }
.gap-4 { gap: var(--space-4) !important; }
.gap-6 { gap: var(--space-6) !important; }

/* Width utilities */
.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }

/* ===== GRADIENT TEXT ===== */
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* ===== HERO SECTION ===== */
.hero {
    background: var(--gradient-hero);
    min-height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero h1 {
    color: var(--text-primary);
    margin-bottom: var(--space-6);
}

.hero p {
    color: var(--text-secondary);
    max-width: 600px;
}

/* ===== SECTIONS ===== */
section {
    scroll-margin-top: 80px;
}

#features {
    background: var(--bg-secondary);
}

#products {
    background: var(--bg-primary);
}

#pricing {
    background: var(--bg-secondary);
}

.reactexpress-section {
    background: var(--bg-primary);
}

/* ===== CART STYLES ===== */
.cart-toggle {
    position: relative;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
}

.cart-icon {
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: color var(--transition-fast);
}

.cart-toggle:hover .cart-icon {
    color: var(--accent-primary);
}

.cart-count {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--accent-danger);
    color: var(--text-primary);
    border-radius: var(--radius-full);
    width: 18px;
    height: 18px;
    font-size: 0.7rem;
    display: none;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-semibold);
}

.cart-count.show {
    display: flex;
}

/* Cart Sidebar */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-primary);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    transition: right var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.cart-sidebar.active {
    right: 0;
}

.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.cart-overlay.active {
    opacity: 1;
    visibility: visible;
}

.cart-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-header h3 {
    margin: 0;
    color: var(--text-primary);
}

.cart-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: color var(--transition-fast);
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-close:hover {
    color: var(--text-primary);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-3);
}

.cart-item .item-info h4 {
    margin: 0 0 var(--space-1);
    font-size: var(--font-size-base);
    color: var(--text-primary);
}

.cart-item .item-variant {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: 0;
}

.cart-item .item-price {
    font-weight: var(--font-weight-semibold);
    color: var(--accent-primary);
}

.cart-item .remove-from-cart {
    background: var(--accent-danger-light);
    color: var(--accent-danger);
    border: none;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 44px;
}

.cart-item .remove-from-cart:hover {
    background: var(--accent-danger);
    color: var(--text-primary);
}

.empty-cart {
    text-align: center;
    color: var(--text-muted);
    padding: var(--space-8);
}

.cart-footer {
    padding: var(--space-6);
    border-top: 1px solid var(--border-primary);
}

.cart-total {
    text-align: center;
    margin-bottom: var(--space-4);
    font-size: var(--font-size-lg);
    color: var(--text-primary);
}

.checkout-btn {
    width: 100%;
    padding: var(--space-4);
    background: var(--accent-primary);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: all var(--transition-normal);
    min-height: 48px;
}

.checkout-btn:hover {
    background: var(--accent-primary-hover);
    transform: translateY(-2px);
}

/* Cart Notification */
.cart-notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background: var(--accent-primary);
    color: var(--bg-primary);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-tooltip);
    transform: translateX(400px);
    transition: transform var(--transition-normal);
    font-weight: var(--font-weight-medium);
}

.cart-notification.show {
    transform: translateX(0);
}

/* ===== MODAL STYLES ===== */
.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
}

.modal-header {
    border-bottom: 1px solid var(--border-primary);
    padding: var(--space-4) var(--space-6);
}

.modal-title {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-6);
}

.modal-footer {
    border-top: 1px solid var(--border-primary);
    padding: var(--space-4) var(--space-6);
}

.btn-close {
    filter: brightness(0) invert(1);
    opacity: 0.7;
}

.btn-close:hover {
    opacity: 1;
}

/* Video Modal */
.modal-content.bg-dark {
    background: var(--bg-primary) !important;
}

/* ===== LANGUAGE SWITCHER ===== */
.lang-switcher {
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

.lang-switcher a {
    color: var(--text-muted);
}

.lang-switcher a:hover {
    color: var(--accent-primary);
}

/* ===== SCROLLBAR STYLING ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-secondary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

/* ===== SELECTION STYLING ===== */
::selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

::-moz-selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* ===== FOCUS STYLES ===== */
:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* ===== IMAGE STYLES ===== */
img {
    max-width: 100%;
    height: auto;
}

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

/* ===== ROW & COLUMN HELPERS ===== */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: calc(var(--space-4) * -1);
    margin-right: calc(var(--space-4) * -1);
}

.row > * {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

.g-4 {
    --bs-gutter-x: var(--space-4);
    --bs-gutter-y: var(--space-4);
}

/* ===== VISUALLY HIDDEN (Accessibility) ===== */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}