/* ===== ZEN DESIGN SYSTEM v2.0 ===== */
/* Sadelik, Dinginlik, Doğallık */

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

/* Zen Renk Paleti - Kum Beyaz Teması */
:root {
    /* Nötr Tonlar - Sıcak ve Göz Yormayan */
    --zen-beyaz: #FEFDFB;
    --zen-krem: #FAF8F5;
    --zen-gri-acik: #F5F3F0;
    --zen-gri: #E8E4DF;
    --zen-gri-orta: #B5AFA8;
    --zen-gri-koyu: #7A756E;
    --zen-siyah: #3D3832;

    /* Vurgu Renkleri - Yumuşak ve Harmonik */
    --zen-yesil: #8BC9A6;
    --zen-yesil-koyu: #6FB38A;
    --zen-mavi: #96BCC9;
    --zen-mavi-koyu: #7DA8B8;
    --zen-turuncu: #E0C4A8;
    --zen-mor: #BAB3D1;

    /* Glass Efektleri - Nefes Alan */
    --glass-bg: rgba(250, 250, 250, 0.85);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 4px 24px rgba(41, 37, 36, 0.04);
    --glass-blur: blur(16px);

    /* Geçişler - Akıcı ve Doğal */
    --gecis-yavas: 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
    --gecis-orta: 0.25s cubic-bezier(0.25, 0.1, 0.25, 1);
    --gecis-hizli: 0.15s ease-out;

    /* Köşe Yuvarlaklıkları - Organik */
    --radius-kucuk: 10px;
    --radius-orta: 16px;
    --radius-buyuk: 24px;
    --radius-tam: 9999px;

    /* Boşluk Sistemi - Dengeli */
    --ma-xs: 0.5rem;
    --ma-sm: 0.75rem;
    --ma-md: 1rem;
    --ma-lg: 1.5rem;
    --ma-xl: 2rem;
    --ma-2xl: 3rem;
    --ma-3xl: 4rem;

    /* Tipografi Ölçeği - Hiyerarşik */
    --font-xs: 0.75rem;
    --font-sm: 0.8125rem;
    --font-base: 0.9375rem;
    --font-md: 1rem;
    --font-lg: 1.125rem;
    --font-xl: 1.25rem;
    --font-2xl: 1.5rem;
    --font-3xl: 1.875rem;

    /* Dokunmatik Hedef - UX Optimizasyonu */
    --touch-min: 44px;
    --touch-comfort: 48px;
}

/* Dark Mode devre dışı - Kum Beyaz tema aktif */

html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', system-ui, sans-serif;
    background: var(--zen-krem);
    color: var(--zen-siyah);
    line-height: 1.6;
    min-height: 100vh;
    letter-spacing: -0.01em;
}

/* Tipografi - Hiyerarşik ve Okunabilir */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: var(--zen-siyah);
}

p {
    color: var(--zen-gri-koyu);
    max-width: 65ch;
}

/* Görsel Öğeler */
img,
video {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Etkileşimli Öğeler - Dokunmatik UX */
button,
a,
input,
select,
textarea {
    min-height: var(--touch-min);
    font-family: inherit;
}

a {
    color: var(--zen-yesil-koyu);
    text-decoration: none;
    transition: var(--gecis-hizli);
}

a:hover {
    color: var(--zen-yesil);
}

/* ===== LAYOUT ===== */
.konteyner {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--ma-lg);
}

/* ===== HEADER - Glassmorphism ===== */
.baslik-alani {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--ma-sm) 0;
}

.baslik-icerik {
    display: flex;
    flex-direction: column;
    gap: var(--ma-md);
    align-items: center;
}

@media (min-width: 768px) {
    .baslik-icerik {
        flex-direction: row;
        justify-content: space-between;
    }
}

.logo-alani {
    display: flex;
    align-items: center;
    gap: var(--ma-sm);
    text-decoration: none;
}

.logo-ikon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--zen-yesil) 0%, var(--zen-mavi) 100%);
    border-radius: var(--radius-orta);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    box-shadow: 0 2px 8px rgba(134, 199, 163, 0.25);
    transition: var(--gecis-orta);
}

.logo-metin {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--zen-siyah);
}

/* ===== NAVIGASYON ===== */
.navigasyon {
    display: flex;
    gap: var(--ma-xs);
    flex-wrap: wrap;
    justify-content: center;
}

.nav-link {
    color: var(--zen-gri-koyu);
    text-decoration: none;
    padding: var(--ma-sm) var(--ma-md);
    border-radius: var(--radius-tam);
    transition: var(--gecis-orta);
    font-size: var(--font-base);
    font-weight: 500;
    cursor: pointer;
    min-height: var(--touch-comfort);
    display: flex;
    align-items: center;
}

.nav-link:hover {
    color: var(--zen-siyah);
    background: var(--zen-gri-acik);
}

.nav-link.aktif {
    color: var(--zen-siyah);
    background: var(--zen-beyaz);
    box-shadow: var(--glass-shadow);
}

.buton-grubu {
    display: flex;
    gap: var(--ma-sm);
    align-items: center;
    flex-wrap: wrap;
}

/* ===== BUTONLAR - Dokunmatik Optimize ===== */
.btn {
    padding: var(--ma-sm) var(--ma-lg);
    border-radius: var(--radius-tam);
    font-weight: 500;
    font-size: var(--font-base);
    cursor: pointer;
    transition: var(--gecis-orta);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--ma-xs);
    text-decoration: none;
    min-height: var(--touch-comfort);
    white-space: nowrap;
}

.btn:active {
    transform: scale(0.98);
}

.btn:focus-visible {
    outline: 2px solid var(--zen-yesil);
    outline-offset: 2px;
}

.btn-yesil {
    background: linear-gradient(135deg, var(--zen-yesil) 0%, var(--zen-yesil-koyu) 100%);
    color: white;
    box-shadow: 0 2px 12px rgba(134, 199, 163, 0.3);
}

.btn-yesil:hover {
    box-shadow: 0 4px 20px rgba(134, 199, 163, 0.4);
    transform: translateY(-1px);
}

.btn-beyaz {
    background: var(--zen-beyaz);
    color: var(--zen-siyah);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.btn-beyaz:hover {
    background: var(--zen-gri-acik);
}

.btn-turuncu {
    background: linear-gradient(135deg, var(--zen-turuncu) 0%, #c9a37e 100%);
    color: white;
    box-shadow: 0 2px 12px rgba(221, 184, 146, 0.3);
}

.btn-mavi {
    background: linear-gradient(135deg, var(--zen-mavi) 0%, var(--zen-mavi-koyu) 100%);
    color: white;
}

.btn-mor {
    background: linear-gradient(135deg, var(--zen-mor) 0%, #a19ac4 100%);
    color: white;
}

.btn-gri {
    background: var(--zen-gri);
    color: var(--zen-gri-koyu);
}

.btn-gri:hover {
    background: var(--zen-gri-orta);
    color: var(--zen-beyaz);
}

.btn-tam-genislik {
    width: 100%;
}

.btn-kucuk {
    padding: var(--ma-xs) var(--ma-sm);
    font-size: var(--font-sm);
    min-height: 36px;
}

/* ===== SAYFA ANIMASYONLARI ===== */
.sayfa-bolumu {
    display: none;
}

.sayfa-bolumu.aktif {
    display: block;
    animation: zenFadeIn 0.4s ease-out forwards;
}

@keyframes zenFadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== BÖLÜM YAPISI ===== */
.bolum {
    padding: var(--ma-2xl) 0;
}

.bolum-baslik {
    font-size: clamp(var(--font-2xl), 4vw, var(--font-3xl));
    font-weight: 600;
    color: var(--zen-siyah);
    text-align: center;
    margin-bottom: var(--ma-md);
}

.bolum-aciklama {
    font-size: var(--font-md);
    color: var(--zen-gri-koyu);
    text-align: center;
    max-width: 560px;
    margin: 0 auto var(--ma-xl);
}

/* ===== FORM ÖĞELERİ ===== */
.form-girdi {
    width: 100%;
    padding: var(--ma-sm) var(--ma-md);
    border-radius: var(--radius-kucuk);
    border: 1px solid var(--zen-gri);
    background: var(--zen-beyaz);
    color: var(--zen-siyah);
    font-size: var(--font-base);
    transition: var(--gecis-orta);
    min-height: var(--touch-comfort);
}

.form-girdi:focus {
    outline: none;
    border-color: var(--zen-yesil);
    box-shadow: 0 0 0 3px rgba(134, 199, 163, 0.12);
}

.form-girdi::placeholder {
    color: var(--zen-gri-orta);
}

.form-satir {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--ma-md);
    margin-bottom: var(--ma-md);
}

@media (min-width: 640px) {
    .form-satir {
        grid-template-columns: 1fr 1fr;
    }
}

.form-etiket {
    display: block;
    font-size: var(--font-xs);
    font-weight: 600;
    color: var(--zen-gri-koyu);
    margin-bottom: var(--ma-xs);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.form-grup {
    margin-bottom: var(--ma-md);
}

.girdi-ikili {
    display: flex;
    gap: var(--ma-sm);
}

.girdi-ikili .form-girdi {
    width: 50%;
}

/* ===== KARTLAR - Zen Glass ===== */
.zen-kart {
    background: var(--zen-beyaz);
    border-radius: var(--radius-orta);
    padding: var(--ma-lg);
    box-shadow: var(--glass-shadow);
    border: 1px solid var(--zen-gri-acik);
    transition: var(--gecis-orta);
}

.zen-kart:hover {
    box-shadow: 0 8px 32px rgba(41, 37, 36, 0.06);
}

/* ===== UYARI KUTULARI ===== */
.uyari-kutu {
    background: var(--zen-gri-acik);
    border: 1px solid var(--zen-gri);
    border-radius: var(--radius-kucuk);
    padding: var(--ma-md);
}

.uyari-metin {
    font-size: var(--font-sm);
    color: var(--zen-gri-koyu);
}

/* ===== FOOTER - MİNİMAL KOMPAKT ===== */
.footer {
    background: linear-gradient(135deg, var(--zen-siyah) 0%, #2a2824 100%);
    color: var(--zen-gri-orta);
    margin-top: var(--ma-xl);
    border-top: 1px solid rgba(139, 201, 166, 0.2);
}

.footer-icerik {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--ma-md) var(--ma-lg);
}

/* Footer Üst - Yatay Kompakt */
.footer-ust {
    display: none;
}

.footer-marka {
    display: flex;
    align-items: center;
    gap: var(--ma-sm);
}

.footer-logo {
    width: 28px;
    height: 28px;
    border-radius: 6px;
}

.footer-logo-buyuk {
    height: 24px;
    width: auto;
    max-width: 100px;
    object-fit: contain;
    opacity: 0.9;
}

.footer-marka-bilgi {
    display: none;
}

.footer-marka-bilgi h3 {
    color: #ffffff;
    font-size: var(--font-sm);
    margin: 0;
    font-weight: 500;
}

.footer-marka-bilgi p {
    display: none;
}

/* Uyarı Kutusu - Gizli */
.footer-uyari-kutu {
    display: none;
}

.footer-uyari-kutu .uyari-baslik {
    display: none;
}

.footer-uyari-kutu .uyari-baslik strong {
    display: none;
}

.footer-uyari-kutu p {
    display: none;
}

/* Footer Orta - Ana İçerik Yatay */
.footer-orta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--ma-xs);
    padding: 0;
    border: none;
    margin-bottom: var(--ma-sm);
}

.footer-sutun {
    display: flex;
    align-items: center;
    gap: var(--ma-xs);
}

.footer-sutun h4 {
    display: none;
}

.footer-sutun ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--ma-xs);
}

.footer-sutun ul li {
    margin: 0;
}

.footer-sutun ul li::after {
    content: "•";
    color: var(--zen-gri-koyu);
    margin-left: var(--ma-xs);
    font-size: 8px;
}

.footer-sutun:last-child ul li:last-child::after {
    display: none;
}

.footer-sutun ul li a {
    color: var(--zen-gri-orta);
    text-decoration: none;
    font-size: var(--font-xs);
    transition: color 0.2s ease;
    white-space: nowrap;
    padding: 4px 0;
}

.footer-sutun ul li a:hover {
    color: var(--zen-yesil);
}

/* Footer Bildirim - Gizli */
.footer-bildirim {
    display: none;
}

.footer-bildirim p {
    display: none;
}

.footer-bildirim strong {
    color: var(--zen-mavi);
}

/* Footer Alt - Telif */
.footer-alt {
    text-align: center;
    padding-top: var(--ma-xs);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-alt p {
    color: var(--zen-gri-koyu);
    font-size: var(--font-xs);
    margin: 0;
    text-align: center;
    width: 100%;
}

.footer-alt strong {
    color: var(--zen-gri-orta);
    font-weight: 500;
}

/* Footer Responsive */
@media (max-width: 768px) {
    .footer-orta {
        flex-direction: column;
        gap: var(--ma-xs);
    }

    .footer-sutun ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-sutun ul li::after {
        display: none;
    }
}

/* ===== SAYFA BAŞLIĞI ===== */
.sayfa-baslik {
    font-size: var(--font-2xl);
    font-weight: 600;
    color: var(--zen-siyah);
    margin-bottom: var(--ma-lg);
}

/* ===== YARDIMCI SINIFLAR ===== */
.tam-genislik {
    width: 100%;
}

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

.gorunmez {
    display: none !important;
}

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

::-webkit-scrollbar-track {
    background: var(--zen-gri-acik);
}

::-webkit-scrollbar-thumb {
    background: var(--zen-gri);
    border-radius: var(--radius-tam);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--zen-gri-orta);
}

/* ===== SELECTION ===== */
::selection {
    background: rgba(134, 199, 163, 0.2);
    color: var(--zen-siyah);
}

/* ===== FOCUS GÖRÜNÜR ===== */
:focus-visible {
    outline: 2px solid var(--zen-yesil);
    outline-offset: 2px;
}

/* ===== BİLDİRİM SİSTEMİ (Zen Toast) ===== */
.bildirim-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none; /* Arkadaki butonlara tıklanabilsin */
}

.bildirim-toast {
    pointer-events: auto;
    background: var(--zen-beyaz);
    color: var(--zen-siyah);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-orta);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    max-width: 400px;
    transform: translateX(120%);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid var(--zen-gri-acik);
    opacity: 0;
}

.bildirim-gorunur {
    transform: translateX(0);
    opacity: 1;
}

.bildirim-kapaniyor {
    opacity: 0;
    transform: translateY(20px);
}

.bildirim-ikon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.bildirim-mesaj {
    font-size: var(--font-sm);
    font-weight: 500;
    flex-grow: 1;
    line-height: 1.4;
}

.bildirim-kapat {
    background: transparent;
    border: none;
    color: var(--zen-gri-orta);
    cursor: pointer;
    padding: 2px;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--gecis-hizli);
    width: 24px;
    height: 24px;
    min-height: auto; /* Global min-height override */
}

.bildirim-kapat:hover {
    background: var(--zen-gri-acik);
    color: var(--zen-siyah);
}

/* Bildirim Tipleri */
.bildirim-basari {
    border-left: 4px solid var(--zen-yesil);
}

.bildirim-hata {
    border-left: 4px solid #ef4444; /* Kırmızı özel */
}

.bildirim-uyari {
    border-left: 4px solid var(--zen-turuncu);
}

.bildirim-bilgi {
    border-left: 4px solid var(--zen-mavi);
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .bildirim-container {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
    }
    
    .bildirim-toast {
        min-width: auto;
        width: 100%;
    }
}

/* --- Şifre Göster/Gizle Butonu Stilleri --- */
.sifre-kapsayici {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
}

.sifre-kapsayici input {
    width: 100%;
    padding-right: 45px !important; /* İkon için yer aç */
}

.sifre-goster-btn {
    position: absolute;
    right: 10px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    transition: color 0.3s;
    z-index: 2;
    outline: none;
}

.sifre-goster-btn:hover {
    color: #333;
}

.sifre-goster-btn svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}