/* =====================================================
   GASTROGEMS A.Ş.
   PREMIUM CORPORATE DESIGN SYSTEM
   ===================================================== */

:root {
    --siyah: #09090f;
    --siyah-2: #11111b;
    --altin: #c9a84c;
    --altin-acik: #e6d49a;
    --beyaz: #ffffff;
    --krem: #f7f5f1;
    --metin: #20202b;
    --gri: #777786;
    
    --font-serif: "Playfair Display", Georgia, serif;
    --font: "Inter", Arial, sans-serif;
    
    --container: 1200px;
    --radius: 18px;
    --transition: .35s cubic-bezier(.4,0,.2,1);
}

/* ===== RESET ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    color: var(--metin);
    background: var(--krem);
    line-height: 1.7;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
    width: 100%;
    max-width: var(--container);
    margin: auto;
    padding: 0 24px;
}
.section { padding: 80px 0; }

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 34px;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--altin), var(--altin-acik));
    color: var(--siyah);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}
.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(201, 168, 76, .35);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 34px;
    border-radius: 50px;
    border: 1px solid rgba(255,255,255,.35);
    color: white;
    transition: var(--transition);
}
.btn-outline:hover {
    background: white;
    color: var(--siyah);
}

/* ===== HEADER ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 82px;
    z-index: 999;
    transition: var(--transition);
}
.site-header.scrolled {
    background: rgba(9,9,15,.92);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.header-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    font-family: var(--font-serif);
    font-size: 22px;
    letter-spacing: 2px;
}
.logo-dot {
    width: 7px;
    height: 7px;
    background: var(--altin);
    border-radius: 50%;
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 35px;
}
.main-nav a {
    color: rgba(255,255,255,.65);
    font-size: 14px;
    transition: var(--transition);
}
.main-nav a:hover {
    color: white;
}

.menu-toggle {
    display: none;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 8px;
}
.menu-toggle span {
    display: block;
    width: 28px;
    height: 2px;
    margin: 5px auto;
    background: white;
    transition: var(--transition);
}
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    position: relative;
    background: var(--siyah);
    color: white;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.5;
    filter: brightness(0.7);
    z-index: 0;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 75% 40%, rgba(201,168,76,.15), transparent 50%);
    z-index: 1;
}
.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}
.hero-tag {
    display: inline-block;
    color: var(--altin);
    font-size: 12px;
    letter-spacing: 4px;
    margin-bottom: 30px;
}
.hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(48px, 6vw, 78px);
    line-height: 1.05;
    margin-bottom: 25px;
}
.hero h1 span {
    color: var(--altin);
}
.hero p {
    max-width: 480px;
    color: rgba(255,255,255,.65);
    font-size: 18px;
    margin-bottom: 40px;
}
.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero-card {
    width: 100%;
    aspect-ratio: 1;
    max-width: 430px;
    border-radius: 30px;
    background: linear-gradient(145deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
    border: 1px solid rgba(255,255,255,.1);
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(10px);
}
.hero-card-inner {
    text-align: center;
    color: white;
}
.hero-card-inner i {
    font-size: 70px;
    color: var(--altin);
    margin-bottom: 20px;
}
.hero-card-inner span {
    display: block;
    font-family: var(--font-serif);
    font-size: 32px;
    letter-spacing: 4px;
}
.hero-card-inner small {
    color: rgba(255,255,255,.5);
}

/* ===== ABOUT ===== */
.about { background: white; }
.section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}
.section-tag {
    display: block;
    color: var(--altin);
    font-size: 12px;
    letter-spacing: 4px;
    font-weight: 600;
    margin-bottom: 20px;
}
.section h2 {
    font-family: var(--font-serif);
    font-size: clamp(36px, 5vw, 58px);
    line-height: 1.15;
    color: var(--siyah);
}
.about p {
    color: var(--gri);
    margin-bottom: 20px;
    font-size: 17px;
}

/* ===== BRANDS ===== */
.section-dark {
    background: var(--siyah);
    color: white;
    padding: 80px 0; 
}
.section-dark h2 {
    color: white;
    margin-bottom: 60px;
}
.gold { color: var(--altin); }

.brand-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 35px;
}
.brand-box {
    padding: 0 0 40px 0;
    border-radius: var(--radius);
    background: linear-gradient(145deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
    border: 1px solid rgba(255,255,255,.08);
    transition: var(--transition);
    overflow: hidden;
}
.brand-box:hover {
    transform: translateY(-8px);
    border-color: rgba(201,168,76,.4);
}
.brand-image {
    width: 100%;
    height: 500px;
    overflow: hidden;
    margin-bottom: 24px;
}
.brand-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}
.brand-box:hover .brand-image img {
    transform: scale(1.05);
}
.brand-box h3 {
    font-family: var(--font-serif);
    font-size: 32px;
    padding: 0 30px;
    margin-bottom: 12px;
}
.brand-box p {
    color: rgba(255,255,255,.6);
    padding: 0 30px;
    margin-bottom: 24px;
}
.brand-box a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--altin);
    font-size: 14px;
    font-weight: 600;
    padding: 0 30px;
    transition: var(--transition);
}
.brand-box a:hover {
    gap: 14px;
}
.brand-box a i {
    font-size: 12px;
    transition: var(--transition);
}

/* ===== CENTER ===== */
.center {
    background: linear-gradient(135deg, #11111b, #09090f);
    color: white;
}
.center-box {
    max-width: 750px;
}
.center-image {
    width: 100%;
    max-height: 350px;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 30px;
}
.center-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.center h2 {
    color: white;
    margin-bottom: 25px;
}
.center p {
    color: rgba(255,255,255,.6);
    font-size: 18px;
    margin-bottom: 30px;
}
.location {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--altin);
}

/* ===== CONTACT ===== */
.contact { background: white; }
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    margin-bottom: 50px;
}
.contact h2 {
    margin-bottom: 25px;
}
.contact p {
    color: var(--gri);
    font-size: 17px;
}
.contact-social {
    display: flex;
    gap: 12px;
    margin-top: 30px;
}
.contact-social a {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--krem);
    color: var(--gri);
    transition: var(--transition);
}
.contact-social a:hover {
    background: var(--altin);
    color: var(--siyah);
    transform: translateY(-3px);
}
.contact-card {
    background: var(--krem);
    padding: 35px;
    border-radius: var(--radius);
}
.contact-card > div {
    display: flex;
    gap: 20px;
    padding: 18px 0;
    border-bottom: 1px solid rgba(0,0,0,.08);
}
.contact-card > div:last-child {
    border: none;
}
.contact-card i {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(201,168,76,.15);
    color: var(--altin);
    flex-shrink: 0;
}
.contact-card strong {
    display: block;
}
.contact-card span {
    color: var(--gri);
    font-size: 14px;
}
.contact-map {
    margin-top: 20px;
}
.contact-map iframe {
    width: 100%;
    height: 300px;
    border-radius: var(--radius);
    border: none;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--siyah);
    padding: 70px 0 25px;
    color: white;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-serif);
    font-size: 24px;
    letter-spacing: 2px;
    margin-bottom: 20px;
}
.footer-logo i {
    width: 7px;
    height: 7px;
    background: var(--altin);
    border-radius: 50%;
}
.footer-brand p {
    color: rgba(255,255,255,.45);
    max-width: 320px;
    font-size: 14px;
}
.social-links {
    display: flex;
    gap: 12px;
    margin-top: 25px;
}
.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,.06);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.social-links a:hover {
    background: var(--altin);
    color: var(--siyah);
}
.footer-column h4 {
    margin-bottom: 20px;
    font-size: 15px;
}
.footer-column a {
    display: block;
    color: rgba(255,255,255,.45);
    font-size: 14px;
    margin-bottom: 12px;
    transition: var(--transition);
}
.footer-column a:hover {
    color: white;
}
.footer-bottom {
    padding-top: 25px;
    display: flex;
    justify-content: space-between;
    color: rgba(255,255,255,.3);
    font-size: 13px;
}

/* ===== PRELOADER ===== */
#preloader {
    position: fixed;
    inset: 0;
    background: var(--siyah);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}
.loader {
    text-align: center;
    color: white;
}
.loader-ring {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,.15);
    border-top-color: var(--altin);
    animation: spin 1s linear infinite;
    margin: 0 auto;
}
.loader span {
    display: block;
    margin-top: 20px;
    font-family: var(--font-serif);
    letter-spacing: 5px;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 7px; }
::-webkit-scrollbar-thumb { background: var(--altin); border-radius: 20px; }
::selection { background: var(--altin); color: var(--siyah); }


/* ===== LEGAL PAGE ===== */
.legal-page {
    padding: 80px 0 80px;
    background: var(--krem);
}
        .legal-content {
            max-width: 820px;
            margin: 0 auto;
        }
        .legal-section {
            background: white;
            border-radius: 16px;
            padding: 32px 36px;
            margin-bottom: 24px;
            box-shadow: 0 2px 20px rgba(0,0,0,.04);
            border: 1px solid rgba(0,0,0,.04);
        }
        .legal-section h2 {
            font-family: 'Playfair Display', serif;
            font-size: 24px;
            color: var(--siyah);
            margin-bottom: 16px;
        }
        .legal-section p {
            color: var(--gri);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .legal-section ul {
            padding-left: 24px;
            margin: 12px 0;
        }
        .legal-section ul li {
            color: var(--gri);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 6px;
            list-style: disc;
        }
        .legal-section ul li strong {
            color: var(--siyah);
        }
        .legal-section a {
            color: var(--altin);
            text-decoration: none;
        }
        .legal-section a:hover {
            text-decoration: underline;
        }
        .legal-section .update-date {
            color: var(--gri);
            font-size: 14px;
            margin-top: 8px;
        }
        @media (max-width: 768px) {
            .legal-page { padding: 120px 0 60px; }
            .legal-section { padding: 24px 20px; }
            .legal-section h2 { font-size: 20px; }
        }

        /* =====================================================
   PAGE BANNER
   ===================================================== */
.page-banner {
    padding: 110px 0 30px;
    background: var(--siyah);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(201,168,76,.06), transparent 60%);
    z-index: 0;
}
.page-banner-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}
.page-banner-tag {
    display: inline-block;
    color: var(--altin);
    font-size: 12px;
    letter-spacing: 4px;
    font-weight: 600;
    margin-bottom: 16px;
}
.page-banner h1 {
    font-family: var(--font-serif);
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 700;
    margin-bottom: 12px;
}
.page-banner-desc {
    color: rgba(255,255,255,.5);
    font-size: 17px;
}
.page-banner-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 20px;
}
.page-banner-divider span:first-child,
.page-banner-divider span:last-child {
    width: 40px;
    height: 1px;
    background: rgba(201,168,76,.3);
}
.page-banner-divider span:nth-child(2) {
    color: var(--altin);
    font-size: 12px;
}

/* =====================================================
   BACK TO TOP
===================================================== */

.back-to-top{
    position:fixed;
    right:30px;
    bottom:30px;
    width:52px;
    height:52px;
    display:flex;
    align-items:center;
    justify-content:center;
    border:none;
    border-radius:50%;
    cursor:pointer;
    background:var(--altin);
    color:var(--siyah);
    font-size:18px;
    text-decoration:none;

    opacity:0;
    visibility:hidden;
    pointer-events:none;

    transform:translateY(20px) scale(.9);
    transition:
        opacity .35s ease,
        visibility .35s ease,
        transform .35s ease,
        box-shadow .35s ease;

    box-shadow:0 10px 30px rgba(201,168,76,.30);
    z-index:999;
}

.back-to-top.visible{
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transform:translateY(0) scale(1);
}

.back-to-top.visible:hover{
    transform:translateY(-5px) scale(1.05);
    box-shadow:0 15px 40px rgba(201,168,76,.45);
}

.back-to-top:active{
    transform:translateY(-2px) scale(.98);
}

.back-to-top:focus-visible{
    outline:2px solid var(--altin);
    outline-offset:4px;
}

.back-to-top i{
    font-size:18px;
    line-height:1;
}

@media (max-width:768px){

    .back-to-top{
        width:46px;
        height:46px;
        right:20px;
        bottom:20px;
    }

    .back-to-top i{
        font-size:16px;
    }

}