/* ========================================
   Çakıl Balık Website - Main Stylesheet
   ======================================== */

/* ========================================
   CSS Variables (Design Tokens)
   ======================================== */

:root {
    /* Colors - Ocean Theme */
    --color-primary: #0077be;
    --color-primary-dark: #005a92;
    --color-primary-light: #4da6d5;
    --color-secondary: #00a8cc;
    --color-accent: #ff6b6b;

    /* Neutrals */
    --color-white: #ffffff;
    --color-black: #1a1a1a;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Status Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;

    /* Typography */
    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Container */
    --container-max-width: 1200px;
    --container-padding: 1rem;
}

/* ========================================
   Base Utilities
   ======================================== */

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section--gray {
    background-color: var(--color-gray-50);
}

/* ========================================
   Top Bar
   ======================================== */

.top-bar {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
}

.top-bar__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.top-bar__left,
.top-bar__right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.top-bar__link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-white);
    transition: opacity var(--transition-fast);
}

.top-bar__link:hover {
    opacity: 0.8;
}

.top-bar__link i {
    font-size: var(--font-size-sm);
}

/* Language Selector */
.language-selector {
    position: relative;
}

.language-selector__current {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.language-selector__current:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.language-selector__dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1000;
}

.language-selector__dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-selector__dropdown li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-gray-700);
    transition: background-color var(--transition-fast);
}

.language-selector__dropdown li a:hover,
.language-selector__dropdown li a.active {
    background-color: var(--color-gray-100);
    color: var(--color-primary);
}

/* Social Links */
.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links__item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.social-links__item:hover {
    background-color: var(--color-secondary);
    transform: translateY(-2px);
}

/* ========================================
   Main Header
   ======================================== */

.main-header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 999;
}

.main-header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

/* Logo */
.logo {
    flex-shrink: 0;
}

.logo__image {
    height: 50px;
    width: 50px;
    object-fit: cover;
    border-radius: 50%;
    padding: 5px;
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Navigation */
.nav {
    flex-grow: 1;
    display: flex;
    justify-content: center;
}

.nav__list {
    display: flex;
    gap: var(--spacing-xl);
}

.nav__item {
    position: relative;
}

.nav__link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-gray-700);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    transition: color var(--transition-fast);
}

.nav__link:hover {
    color: var(--color-primary);
}

.nav__link i {
    font-size: 0.75rem;
}

/* Dropdown Menu */
.nav__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    padding: var(--spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.nav__item:hover .nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav__dropdown-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-gray-700);
    transition: all var(--transition-fast);
}

.nav__dropdown-link:hover {
    background-color: var(--color-gray-50);
    color: var(--color-primary);
    padding-left: calc(var(--spacing-md) + 0.5rem);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-gray-700);
    transition: all var(--transition-fast);
}

/* ========================================
   Hero Slider
   ======================================== */

.hero-slider {
    position: relative;
    height: 600px;
    overflow: hidden;
}

.hero-slider__slide {
    position: relative;
    height: 100%;
    display: none;
}

.hero-slider__slide.active {
    display: block;
}

.hero-slider__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-slider__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.2));
    display: flex;
    align-items: center;
}

.hero-slider__content {
    max-width: 600px;
}

.hero-slider__title {
    color: var(--color-white);
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero-slider__subtitle {
    color: var(--color-white);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.hero-slider__button {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-2xl);
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.hero-slider__button:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* Slider Controls */
.hero-slider__controls {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-md);
}

.hero-slider__dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.hero-slider__dot.active {
    background-color: var(--color-white);
    width: 32px;
}

/* ========================================
   Cards & Product Grid
   ======================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header__title {
    font-size: var(--font-size-4xl);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.section-header__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.card__image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card__content {
    padding: var(--spacing-lg);
}

.card__title {
    font-size: var(--font-size-xl);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.card__text {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.card__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card__link {
    color: var(--color-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.card__link:hover {
    color: var(--color-primary-dark);
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

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

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--secondary {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.btn--secondary:hover {
    background-color: #008aa8;
}

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

.btn--outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* ========================================
   Forms
   ======================================== */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-700);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 119, 190, 0.1);
}

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

.form-error {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
}

.footer__top {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
}

.footer__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
}

.footer__title {
    color: var(--color-white);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

.footer__text {
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.footer__social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.footer__social-link:hover {
    background-color: var(--color-primary);
    transform: translateY(-3px);
}

.footer__links li {
    margin-bottom: var(--spacing-sm);
}

.footer__links a {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

.footer__contact li {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer__contact i {
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 3px;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg) 0;
}

.footer__bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer__copyright,
.footer__credits {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

/* ========================================
   Back to Top Button
   ======================================== */

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 998;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-5px);
}

/* ========================================
   Pagination
   ======================================== */

.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-2xl);
}

.pagination li a,
.pagination li span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--spacing-md);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    color: var(--color-gray-700);
    transition: all var(--transition-fast);
}

.pagination li a:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.pagination li.active span {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* ========================================
   Utility Classes
   ======================================== */

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

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

.mt-1 { margin-top: var(--spacing-md); }
.mt-2 { margin-top: var(--spacing-xl); }
.mt-3 { margin-top: var(--spacing-2xl); }

.mb-1 { margin-bottom: var(--spacing-md); }
.mb-2 { margin-bottom: var(--spacing-xl); }
.mb-3 { margin-bottom: var(--spacing-2xl); }