/* Dosya: css/global.css | Tarih: 2026.01.11 */
/* Global Stiller - Zen Tasarim Felsefesi */

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

/* Zen Renk Paleti */
:root {
    --zen-beyaz: #fefefe;
    --zen-krem: #f8f7f4;
    --zen-gri-acik: #f0efec;
    --zen-gri: #e5e3de;
    --zen-gri-orta: #9a9890;
    --zen-gri-koyu: #6b6860;
    --zen-siyah: #2c2b28;

    --zen-yesil: #7ab892;
    --zen-mavi: #8fb4c9;
    --zen-turuncu: #d4a574;
    --zen-mor: #a8a0c4;

    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
    --glass-blur: blur(20px);

    --gecis-yavas: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --gecis-orta: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --gecis-hizli: 0.15s ease;

    --radius-kucuk: 12px;
    --radius-orta: 20px;
    --radius-buyuk: 32px;
    --radius-tam: 9999px;

    --ma-kucuk: 1rem;
    --ma-orta: 2rem;
    --ma-buyuk: 4rem;
    --ma-genis: 6rem;
}

html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(180deg, var(--zen-krem) 0%, var(--zen-gri-acik) 100%);
    color: var(--zen-siyah);
    line-height: 1.7;
    min-height: 100vh;
}

img,
video {
    max-width: 100%;
    height: auto;
}

button,
a,
input,
select {
    min-height: 48px;
}

/* Konteyner */
.konteyner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--ma-orta);
}

/* Header - Liquid Glass */
.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-kucuk) 0;
}

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

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

.logo-alani {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-ikon {
    width: 44px;
    height: 44px;
    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: 1.25rem;
    box-shadow: 0 4px 12px rgba(122, 184, 146, 0.3);
    transition: var(--gecis-orta);
}

.logo-metin {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--zen-siyah);
}

/* Navigasyon */
.navigasyon {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.nav-link {
    color: var(--zen-gri-koyu);
    text-decoration: none;
    padding: 0.625rem 1rem;
    border-radius: var(--radius-tam);
    transition: var(--gecis-orta);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
}

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

.nav-link.aktif {
    color: var(--zen-siyah);
    background: var(--zen-beyaz);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.buton-grubu {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

/* Butonlar */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-tam);
    font-weight: 500;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: var(--gecis-orta);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn:active {
    transform: scale(0.97);
}

.btn-yesil {
    background: linear-gradient(135deg, var(--zen-yesil) 0%, #6aa882 100%);
    color: white;
    box-shadow: 0 4px 16px rgba(122, 184, 146, 0.35);
}

.btn-yesil:hover {
    box-shadow: 0 6px 24px rgba(122, 184, 146, 0.45);
    transform: translateY(-2px);
}

.btn-beyaz {
    background: var(--zen-beyaz);
    color: var(--zen-siyah);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

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

.btn-turuncu {
    background: linear-gradient(135deg, var(--zen-turuncu) 0%, #c49564 100%);
    color: white;
    box-shadow: 0 4px 16px rgba(212, 165, 116, 0.35);
}

.btn-mavi {
    background: linear-gradient(135deg, var(--zen-mavi) 0%, #7aa4b9 100%);
    color: white;
}

.btn-mor {
    background: linear-gradient(135deg, var(--zen-mor) 0%, #9890b4 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%;
}

/* Sayfa Bolumu */
.sayfa-bolumu {
    display: none;
}

.sayfa-bolumu.aktif {
    display: block;
    animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* Bolum */
.bolum {
    padding: var(--ma-buyuk) 0;
}

.bolum-baslik {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 700;
    color: var(--zen-siyah);
    text-align: center;
    margin-bottom: var(--ma-kucuk);
}

.bolum-aciklama {
    font-size: 1.0625rem;
    color: var(--zen-gri-koyu);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--ma-buyuk);
}

/* Form */
.form-girdi {
    width: 100%;
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius-orta);
    border: 1px solid var(--zen-gri);
    background: var(--zen-beyaz);
    color: var(--zen-siyah);
    font-size: 1rem;
    transition: var(--gecis-orta);
}

.form-girdi:focus {
    outline: none;
    border-color: var(--zen-yesil);
    box-shadow: 0 0 0 4px rgba(122, 184, 146, 0.15);
}

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

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

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

.form-etiket {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--zen-gri-koyu);
    margin-bottom: 0.5rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

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

.girdi-ikili {
    display: flex;
    gap: 0.75rem;
}

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

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

.uyari-metin {
    font-size: 0.8125rem;
    color: var(--zen-gri-koyu);
}

/* Footer */
.footer {
    background: var(--zen-siyah);
    color: var(--zen-gri-orta);
    padding: var(--ma-orta) 0;
    text-align: center;
    margin-top: var(--ma-genis);
    border-radius: var(--radius-buyuk) var(--radius-buyuk) 0 0;
}