:root {
    --color-primary: #2E9E3E;
    --color-primary-dark: #248532;
    --color-text: #1A1A1A;
    --color-text-muted: #6B7280;
    --color-bg: #FFFFFF;
    --color-surface: #F5F7FA;
    --color-border: #E5E7EB;
    --color-dark: #111111;
    --color-footer: #1F2937;
    --color-footer-text: rgba(255, 255, 255, 0.8);
    --font-body: system-ui, sans-serif;
    --font-heading: inherit;
    --radius: 8px;
    --container: 1100px;
    --header-height: 72px;
    --top-bar-height: 0px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

/* Sayfa Yükleme & Geçiş Logolu Preloader */
.page-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 999999;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.42s cubic-bezier(0.25, 1, 0.5, 1), visibility 0.42s ease;
    pointer-events: all;
}

.page-preloader.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
}

.preloader-logo-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 130px;
    height: 80px;
}

.preloader-logo {
    height: 54px;
    width: auto;
    object-fit: contain;
    z-index: 2;
    animation: preloaderPulse 1.2s ease-in-out infinite alternate;
}

.preloader-pulse-ring {
    position: absolute;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(46, 158, 62, 0.18) 0%, rgba(46, 158, 62, 0) 70%);
    animation: pulseRing 1.6s ease-out infinite;
    z-index: 1;
}

.preloader-progress-track {
    width: 130px;
    height: 3px;
    background: #F1F5F9;
    border-radius: 99px;
    overflow: hidden;
    position: relative;
}

.preloader-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #2E9E3E, #248532, #2E9E3E);
    border-radius: 99px;
    position: absolute;
    left: -100%;
    animation: preloaderProgress 1.1s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes preloaderPulse {
    0% {
        transform: scale(0.95);
        opacity: 0.85;
    }
    100% {
        transform: scale(1.05);
        opacity: 1;
    }
}

@keyframes pulseRing {
    0% {
        transform: scale(0.5);
        opacity: 0.9;
    }
    100% {
        transform: scale(1.6);
        opacity: 0;
    }
}

@keyframes preloaderProgress {
    0% {
        left: -100%;
        width: 35%;
    }
    50% {
        left: 25%;
        width: 60%;
    }
    100% {
        left: 100%;
        width: 35%;
    }
}

/* Sayfa Geçiş Efektleri */
@keyframes pageFadeIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

main {
    animation: pageFadeIn 0.32s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    opacity: 1;
    transition: opacity 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

body.is-fading-out {
    opacity: 0;
}

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

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

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

h1, h2, h3 {
    margin: 0 0 0.75rem;
    line-height: 1.25;
    color: var(--color-dark);
    font-family: var(--font-heading);
    font-weight: 600;
}

p {
    margin: 0 0 1rem;
}

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

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.25rem;
}

.top-bar {
    display: none;
    font-size: 0.85rem;
}

.top-bar-inner {
    display: flex;
    justify-content: flex-end;
    gap: 1.5rem;
    min-height: 36px;
    align-items: center;
}

.section {
    padding: 3.5rem 0;
}

.section-alt {
    background: var(--color-surface);
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.section-link {
    margin: 2rem 0 0;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 0.95rem;
    border: 1px solid transparent;
    cursor: pointer;
    font-family: inherit;
}

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

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

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

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-height);
}

.logo {
    height: 40px;
    width: auto;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-dark);
}

.site-nav .nav-list {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    display: block;
    padding: 0.5rem 0.875rem;
    color: var(--color-text);
    font-weight: 500;
}

.nav-link:hover,
.nav-link.is-active {
    color: var(--color-primary);
}

.hero {
    position: relative;
    overflow: hidden;
}

.hero-bg {
    background: url('../images/fabrika_disari.png') center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
}

.hero-inner {
    position: relative;
    z-index: 1;
}

.hero-media {
    display: none;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.page-hero {
    padding: 2.5rem 0;
    border-bottom: 1px solid var(--color-border);
}

.page-hero h1 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin: 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.product-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.product-card-image {
    aspect-ratio: 4 / 3;
    background: var(--color-surface);
    overflow: hidden;
    position: relative;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.35s ease;
}

.product-card--has-hover .product-card-img-hover {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

.product-card--has-hover:hover .product-card-img-primary {
    opacity: 0;
}

.product-card--has-hover:hover .product-card-img-hover {
    opacity: 1;
}

.product-card-image--empty {
    background: var(--color-border);
}

.product-card-body {
    padding: 1rem;
}

.product-card-body h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.product-card-specs {
    margin: 0.5rem 0;
}

.product-specs-summary {
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-specs-content {
    margin-top: 0.5rem;
    font-size: 0.75rem;
}

.product-spec-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.25rem;
}

.product-catalog-link {
    font-size: 0.875rem;
}

.category-block {
    margin-bottom: 2.5rem;
}

.category-block:last-child {
    margin-bottom: 0;
}

.category-block h2 {
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: start;
}

.about-image {
    overflow: hidden;
    border-radius: var(--radius);
}

.about-content p {
    color: var(--color-text-muted);
}

.mission-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.mission-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.mission-card h2 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.mission-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* Hakkımızda Base Fallback */
.about-story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}

.mv-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.about-cta-banner {
    background: var(--color-dark);
    border-radius: var(--radius);
    padding: 2.5rem;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.contact-info-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.contact-info-list li {
    margin-bottom: 1.25rem;
    color: var(--color-text-muted);
}

.contact-info-list strong {
    display: block;
    color: var(--color-dark);
    margin-bottom: 0.25rem;
}

.contact-form {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    background: var(--color-bg);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font: inherit;
    background: var(--color-bg);
    color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

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

.form-honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert-success {
    background: rgba(46, 158, 62, 0.1);
    color: var(--color-primary-dark);
    border: 1px solid rgba(46, 158, 62, 0.25);
}

.alert-error {
    background: rgba(220, 38, 38, 0.06);
    color: #991b1b;
    border: 1px solid rgba(220, 38, 38, 0.15);
}

.map-wrapper {
    margin-top: 2.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.map-wrapper iframe {
    display: block;
    width: 100%;
    height: 400px;
    border: 0;
}

.site-footer {
    background: var(--color-footer);
    color: var(--color-footer-text);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 1fr;
    gap: 2rem;
    padding: 2.5rem 0 2rem;
}

.footer-logo {
    height: 36px;
    width: auto;
}

.footer-col h3 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.footer-list li {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: 1rem 0;
}

.footer-bottom p {
    margin: 0;
    font-size: 0.8rem;
    text-align: center;
    opacity: 0.7;
}

.whatsapp-float {
    position: fixed;
    right: 1rem;
    bottom: 1.25rem;
    z-index: 99;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25D366;
    color: #fff;
    border-radius: 50%;
}

.whatsapp-float:hover {
    color: #fff;
}

@media (max-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid,
    .mission-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .site-header {
        top: var(--top-bar-height);
    }

    .site-nav {
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        padding: 0.75rem 1.25rem 1rem;
        display: none;
    }

    .site-nav.is-open {
        display: block;
    }

    .site-nav .nav-list {
        flex-direction: column;
        align-items: stretch;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}