/* --- 2026 HIZ VE ERİŞİLEBİLİRLİK (A11y) OPTİMİZASYONLARI --- */

/* 1. RENDER ERTELEME */
/* Kullanıcının hemen görmediği alt bölümlerin baştan çizilmesini (render) erteler */
.about-preview-section, 
.legal-section {
    content-visibility: auto;
    contain-intrinsic-size: 1px 500px; /* Tarayıcıya tahmini bir alan belirtir, aşağı kaydırırken sitenin zıplamasını önler */
}

/* 2. Klavye odağı */
a:focus-visible, 
button:focus-visible, 
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--color-secondary);
    outline-offset: 4px;
    border-radius: 4px;
}

/* ==========================================================================
   AQUAWAVE SPOR KULÜBÜ - SAF CSS (HIZ ODAKLI) - CORE SİSTEM
   Not: Sadece Header, Footer, Mobil Menü ve Temel HTML yapılarını barındırır.
   ========================================================================== */

/* 1. Kök Değişkenler (Renk ve Font Yönetimi) */
:root {
    --color-primary: #0056b3;
    --color-secondary: #00a8ff;
    --color-text: #333333;
    --color-bg: #f8f9fa;
    --color-white: #ffffff;
    --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --transition-speed: 0.3s;
}

/* 2. CSS Reset */
*, *::before, *::after { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
}

/* Fiyat bilgilerinin tüm branşlarda ortak, sade tarih rozeti. */
.price-updated-note {
    display: inline-flex;
    align-items: center;
    gap: .38rem;
    margin-top: .7rem;
    padding: .42rem .72rem;
    border: 1px solid color-mix(in srgb, var(--color-primary) 18%, transparent);
    border-radius: 999px;
    background: color-mix(in srgb, var(--color-primary) 6%, var(--color-white));
    color: var(--color-primary);
    font-size: .78rem;
    font-weight: 750;
    line-height: 1.25;
}
.price-updated-note > span {
    font-size: .95rem;
    line-height: 1;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body.menu-open {
    overflow: hidden;
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 10000;
    padding: 10px 16px;
    border-radius: 8px;
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 700;
    transform: translateY(-150%);
    transition: transform var(--transition-speed) ease;
}

.skip-link:focus {
    transform: translateY(0);
}

main:focus {
    outline: none;
}

.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;
}

h1, h2, h3, h4, h5, h6 {
    color: #001d40;
}

ul { 
    list-style: none; 
}

a { 
    text-decoration: none; 
    color: inherit; 
}

/* 3. Genel Yapı ve Konteyner */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 4. Header & Navigasyon (Glassmorphism) */
.main-header {
    background-color: rgba(255, 255, 255, 0.90);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.04);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.main-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 90px;
    position: relative;
}

.logo {
    position: absolute;
    left: 0;
    height: 100%;
    display: flex;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 10px 0;
}

.logo img {
    max-height: 90px;
    width: 280px;
    object-fit: contain;
    object-position: left center;
}

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

.nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(15px, 2vw, 32px);
}

.nav-links li {
    white-space: nowrap;
}

.nav-links li:last-child {
    position: absolute;
    right: 0;
}

.nav-item {
    position: relative;
    font-weight: 600;
    color: var(--color-text);
    padding: 8px 4px;
    transition: color 0.3s ease;
}

.nav-item::after {
    content: '';
    position: absolute;
    width: 0%;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--color-primary);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
    border-radius: 2px;
}

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

.nav-item:hover::after,
.nav-item[aria-current="page"]::after,
.nav-item--active::after {
    width: 100%;
}

.nav-item[aria-current="page"],
.nav-item--active {
    color: var(--color-primary);
}

/* Bilgi Sistemi Butonu */
.nav-system-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--color-primary), #004494);
    color: var(--color-white) !important;
    box-shadow: 0 3px 10px rgba(0, 86, 179, 0.2);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
}

.nav-system-btn:hover {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 168, 255, 0.3);
}

.nav-system-btn svg {
    transition: transform 0.3s ease;
}

.nav-system-btn:hover svg {
    transform: translateX(3px);
}

/* 5. Standart Buton Yapısı (Header vb. yerler için korunmuştur) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.05rem;
    transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(0, 86, 179, 0.2);
}

.btn-primary:hover {
    background-color: var(--color-secondary);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 168, 255, 0.3);
}

/* 6. Mobil Menü & Hamburger (Responsive) */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 44px;
    height: 44px;
    padding: 5px 9px;
    z-index: 1001;
}

.mobile-menu-btn .bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    margin: 5px 0;
    transition: var(--transition-speed);
    border-radius: 3px;
}

@media (max-width: 992px) {
    .main-nav { height: 80px; justify-content: space-between; }
    .logo { position: relative; }
    .nav-links li:last-child { position: relative; }
    .logo img { width: 220px; max-height: 70px; }
    .mobile-menu-btn { display: block; }
    
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        height: 100dvh;
        background-color: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 15vh;
        gap: 20px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: opacity 0.4s ease, visibility 0.4s ease, transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
    }

    .nav-links.active { opacity: 1; visibility: visible; transform: translateY(0); }
    .nav-links li { width: auto; text-align: center; transform: translateY(15px); opacity: 0; transition: transform 0.3s ease, opacity 0.3s ease; }
    .nav-links.active li { transform: translateY(0); opacity: 1; }
    .nav-links a { font-size: 1.4rem; font-weight: 600; }
    .mobile-menu-btn { position: relative; z-index: 1001; }
    .mobile-menu-btn.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .mobile-menu-btn.active .bar:nth-child(2) { opacity: 0; }
    .mobile-menu-btn.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}

/* 7. Footer (Modern, Şık & SVG Odaklı) */
.main-footer {
    background-color: #0b1120;
    color: #94a3b8;
    padding-top: 70px;
    position: relative;
    border-top: 4px solid var(--color-primary);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-col-title {
    color: var(--color-white);
    margin-bottom: 25px;
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: var(--color-secondary);
    border-radius: 2px;
}

.brand-col p {
    line-height: 1.7;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 8px 15px;
    background-color: rgba(255, 255, 255, 0.04);
    color: #cbd5e1;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    width: fit-content;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-links a:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateX(5px);
}

.links-col ul li {
    margin-bottom: 16px;
}

.links-col ul li a {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: color 0.3s ease, transform 0.3s ease;
    color: #cbd5e1;
}

.links-col ul li a svg {
    color: var(--color-secondary);
    transition: color 0.3s ease;
}

.links-col ul li a:hover {
    color: var(--color-white);
    transform: translateX(6px);
}

.links-col ul li a:hover svg {
    color: var(--color-white);
}

.footer-bottom {
    background-color: #020617;
    padding: 25px 0;
    text-align: center;
    font-size: 0.9rem;
    color: #94a3b8; /* Okunabilirlik kontrast hatasını çözmek için renk daha açık bir tona çekildi */
}

/* 8. Mobil Alt Sabit Bar (Glassmorphism & SVG) */
.mobile-bottom-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.90);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    z-index: 9999;
    padding: 10px 15px;
    padding-bottom: env(safe-area-inset-bottom, 12px);
}

.mobile-bar-btn {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 0.75rem;
    font-weight: 600;
    gap: 1px;
    flex: 1;
    padding-bottom: 6px;
    -webkit-tap-highlight-color: transparent;
}

.mobile-bar-btn .text {
    transform: translateY(-2px);
}

.mobile-bar-btn:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 15%;
    height: 70%;
    width: 1px;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 0%, rgba(0,0,0,0.08) 30%, rgba(0,0,0,0.08) 70%, rgba(0,0,0,0) 100%);
}

.mobile-bar-btn .icon {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-bar-btn.contact-btn .icon {
    color: #0056b3;
}

.mobile-bar-btn.whatsapp-btn .icon {
    color: #128c4b;
}

.mobile-bar-btn.register-btn .icon {
    color: #ea580c;
}

.mobile-bar-btn:active .icon {
    transform: scale(0.82) translateY(2px);
}

@media (max-width: 992px) {
    .mobile-bottom-bar { display: flex; justify-content: space-around; }
    body { padding-bottom: 75px; }
}

/* ==========================================================================
   STANDART ALT SAYFA & FOOTER LİNKLERİ (INLINE TEMİZLİĞİ)
   ========================================================================== */
.standard-page-section {
    padding: 50px 0 100px;
    min-height: 60vh;
}

.standard-page-title {
    color: var(--color-primary);
    margin-bottom: 20px;
}

.footer-bottom-link {
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

.footer-bottom-link:hover {
    color: var(--color-white);
}
/* ==========================================================================
   2026 SEO & UX BREADCRUMB BİLEŞENİ
   ========================================================================== */
.breadcrumb-section {
    background-color: var(--color-bg);
    padding: 25px 0 0;
    position: relative;
    z-index: 10;
}

.modern-breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.9rem;
    font-weight: 500;
}

.modern-breadcrumb li {
    display: flex;
    align-items: center;
}

.breadcrumb-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #64748b;
    transition: color var(--transition-speed) ease, background-color var(--transition-speed) ease;
    padding: 4px 6px;
    margin-left: -6px; /* Optik hizalama */
    border-radius: 6px; /* Klavye ile dolaşanlar için odak halkası alanı */
}

.breadcrumb-link:hover,
.breadcrumb-link:focus-visible {
    color: var(--color-primary);
    background: rgba(0, 86, 179, 0.04);
}

.breadcrumb-separator {
    display: flex;
    align-items: center;
    margin: 0 6px;
    color: #cbd5e1;
}

.breadcrumb-current {
    color: var(--color-primary);
    font-weight: 600;
    padding: 4px 0;
}

/* Mobilde uzun başlıklar da görünür kalacak şekilde breadcrumb satırlarını sar. */
@media (max-width: 768px) {
    .standard-page-section {
        padding-top: 70px;
    }

    .breadcrumb-section {
        padding: 15px 0 0;
    }
    .modern-breadcrumb ol {
        flex-wrap: wrap;
        row-gap: 3px;
        white-space: normal;
        padding-bottom: 5px;
    }
    .breadcrumb-current {
        overflow-wrap: anywhere;
    }
}
/* --- 2026 SEO: Otomatik Metin İçi (Contextual) Linkleri --- */
.auto-seo-link {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: rgba(0, 86, 179, 0.3);
    text-underline-offset: 3px;
    transition: color var(--transition-speed) ease, text-decoration-color var(--transition-speed) ease, background-color var(--transition-speed) ease;
}

.auto-seo-link:hover {
    color: var(--color-secondary);
    text-decoration-color: var(--color-secondary);
    background-color: rgba(0, 168, 255, 0.05); /* Highlight Efekti */
    border-radius: 4px;
}

/* Uzun şube adresleri için erişilebilir, JavaScript gerektirmeyen ortak bileşen. */
.address-disclosure {
    width: 100%;
    margin: 12px 0 16px;
    border: 1px solid #e2eaf1;
    border-radius: 11px;
    background: #f8fbfd;
    color: #35475b;
    font-style: normal;
}

.address-disclosure summary {
    display: flex;
    min-height: 44px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    color: #43566a;
    font-size: .86rem;
    font-style: normal;
    font-weight: 800;
    cursor: pointer;
    list-style: none;
}

.address-disclosure summary::-webkit-details-marker { display: none; }

.address-disclosure summary > span:first-child {
    display: inline;
    margin: 0;
    color: inherit;
    font-size: inherit;
    letter-spacing: 0;
    text-transform: none;
}

.address-disclosure summary:focus-visible {
    outline: 3px solid rgba(0, 168, 255, .28);
    outline-offset: 2px;
}

.address-disclosure .address-disclosure__icon {
    display: inline-flex !important;
    flex: 0 0 24px;
    width: 24px;
    height: 24px;
    align-items: center;
    justify-content: center;
    margin: 0 !important;
    border: 1px solid #a9bdcb;
    border-radius: 50%;
    color: #436277 !important;
    font-family: Georgia, serif;
    font-size: .88rem !important;
    font-weight: 700 !important;
    letter-spacing: 0 !important;
    text-transform: none !important;
}

.address-disclosure[open] summary { border-bottom: 1px solid #e2eaf1; }

.address-disclosure > p {
    margin: 0;
    padding: 12px;
    color: #35475b;
    font-size: .92rem;
    font-style: normal;
    line-height: 1.58;
    overflow-wrap: anywhere;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}