/* =====================================================================
   QR MENÜ - ANA YERLEŞİM
   Header · Hero · Bölümler · Footer · Mobil alt menü · Modal
   Tüm renkler theme.css değişkenlerinden gelir.
   ===================================================================== */

/* ---------------------------------------------------------------
   İçeriğe geç bağlantısı
   --------------------------------------------------------------- */
.skip-link {
    position: absolute;
    left: -9999px;
    top: var(--space-2);
    z-index: 200;
    background: var(--gold);
    color: #0B0B0D;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-sm);
}
.skip-link:focus { left: var(--space-4); }

/* ===============================================================
   HEADER
   =============================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.site-header__inner {
    max-width: var(--container);
    margin-inline: auto;
    padding: 0 var(--space-4);
    height: var(--header-h);
    display: flex;
    align-items: center;
    gap: var(--space-5);
}

/* --- Logo --- */
.brand { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }

.brand__mark {
    display: grid;
    place-items: center;
    width: 46px; height: 46px;
    border: 1.5px solid var(--gold);
    border-radius: 12px;
    color: var(--gold);
    overflow: hidden;
}
.brand__mark img { width: 100%; height: 100%; object-fit: contain; }

.brand__text { display: flex; flex-direction: column; line-height: 1.1; }

.brand__name {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: .02em;
    text-transform: uppercase;
    color: var(--text);
}

.brand__slogan {
    font-size: .68rem;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--gold);
}

/* --- Masaüstü menü --- */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    margin-inline: auto;
    height: 100%;
}

.main-nav__link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    height: 100%;
    position: relative;
    font-size: .82rem;
    font-weight: 500;
    letter-spacing: .08em;
    color: var(--text-muted);
    transition: color var(--t-fast);
}
.main-nav__link .ico { color: var(--gold); opacity: .85; }
.main-nav__link:hover { color: var(--text); }

.main-nav__link.active { color: var(--gold); }
.main-nav__link.active .ico { opacity: 1; }
.main-nav__link.active::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -1px;
    height: 2px;
    background: var(--grad-gold);
    border-radius: 2px;
}

/* --- Sağ aksiyonlar --- */
.header-actions { display: flex; align-items: center; gap: var(--space-3); margin-left: auto; }

.icon-btn {
    display: grid;
    place-items: center;
    width: 42px; height: 42px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--gold);
    background: var(--surface);
    transition: background var(--t-fast), border-color var(--t-fast);
}
.icon-btn:hover { background: var(--surface-hover); border-color: var(--gold); }

[data-theme="dark"]  .icon-btn__sun  { display: block; }
[data-theme="dark"]  .icon-btn__moon { display: none; }
[data-theme="light"] .icon-btn__sun  { display: none; }
[data-theme="light"] .icon-btn__moon { display: block; }

/* ===============================================================
   BUTONLAR
   =============================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: .7rem 1.15rem;
    border-radius: var(--radius-sm);
    font-size: .82rem;
    font-weight: 600;
    letter-spacing: .06em;
    transition: transform var(--t-fast), background var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
}
.btn:active { transform: translateY(1px); }

.btn--outline {
    border: 1px solid var(--gold);
    color: var(--gold);
    background: transparent;
}
.btn--outline:hover { background: var(--gold-ghost); box-shadow: var(--glow-gold); }

.btn--gold {
    background: var(--grad-gold);
    color: #17130A;
    border: 0;
}
.btn--gold:hover { box-shadow: var(--glow-gold); }

.btn--ghost {
    border: 1px solid var(--border-soft);
    color: var(--text-muted);
    background: var(--surface);
}
.btn--ghost:hover { color: var(--text); border-color: var(--gold); }

/* ===============================================================
   HERO
   =============================================================== */
.hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border-soft);
}

.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }

.hero__media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--grad-hero);
}

.hero__inner {
    position: relative;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-block: var(--space-7);
    max-width: var(--container);
    margin-inline: auto;
}

.hero__content { max-width: 520px; }

.hero__eyebrow {
    color: var(--gold);
    font-size: var(--fs-lg);
    margin-bottom: var(--space-2);
}

.hero__title {
    font-size: clamp(2.4rem, 5vw, 3.5rem);
    line-height: 1.08;
    margin-bottom: var(--space-4);
}
.hero__title span { display: block; color: var(--gold); }

.hero__divider {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--gold);
    margin-bottom: var(--space-4);
    max-width: 380px;
}
.hero__divider::before,
.hero__divider::after {
    content: "";
    height: 1px;
    flex: 1;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.hero__desc {
    color: var(--text-muted);
    font-size: var(--fs-lg);
    max-width: 440px;
    margin-bottom: var(--space-5);
}

.hero__qr {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: color-mix(in srgb, var(--surface) 70%, transparent);
    color: var(--text);
    text-align: left;
    line-height: 1.35;
    font-size: var(--fs-sm);
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.hero__qr .ico { color: var(--gold); flex-shrink: 0; }
.hero__qr:hover { border-color: var(--gold); box-shadow: var(--glow-gold); }

/* ===============================================================
   BÖLÜMLER
   =============================================================== */
.section { padding-block: var(--space-6); }
.section--tight { padding-block: var(--space-5); }

.section__head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.section__title { font-size: var(--fs-2xl); margin: 0; }
.section__subtitle { color: var(--text-muted); margin: var(--space-1) 0 0; font-size: var(--fs-sm); }

.section__link {
    color: var(--gold);
    font-size: var(--fs-sm);
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    white-space: nowrap;
}

/* Boş durum */
.empty-state {
    text-align: center;
    padding: var(--space-7) var(--space-4);
    color: var(--text-muted);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
}
.empty-state .ico { color: var(--gold); margin-bottom: var(--space-3); }

/* ===============================================================
   FOOTER
   =============================================================== */
.site-footer {
    margin-top: var(--space-7);
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1.2fr 1fr;
    gap: var(--space-6);
    padding-block: var(--space-6);
}

.site-footer__title {
    font-size: var(--fs-base);
    color: var(--gold);
    letter-spacing: .04em;
    margin-bottom: var(--space-3);
}

.site-footer__about { color: var(--text-muted); font-size: var(--fs-sm); }

.site-footer__list { display: flex; flex-direction: column; gap: var(--space-2); }
.site-footer__list a { color: var(--text-muted); font-size: var(--fs-sm); transition: color var(--t-fast); }
.site-footer__list a:hover { color: var(--gold); }

.site-footer__list--contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    color: var(--text-muted);
    font-size: var(--fs-sm);
}
.site-footer__list--contact .ico { color: var(--gold); flex-shrink: 0; margin-top: 2px; }

.social-row { display: flex; gap: var(--space-2); margin-top: var(--space-4); }
.social-row__link {
    display: grid;
    place-items: center;
    width: 38px; height: 38px;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--gold);
    transition: background var(--t-fast), transform var(--t-fast);
}
.social-row__link:hover { background: var(--gold-ghost); transform: translateY(-2px); }

.site-footer__bar { border-top: 1px solid var(--border-soft); }
.site-footer__bar-inner {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3);
    padding-block: var(--space-4);
    font-size: var(--fs-xs);
    color: var(--text-dim);
    flex-wrap: wrap;
}
.site-footer__bar-inner a { color: var(--text-dim); }
.site-footer__bar-inner a:hover { color: var(--gold); }

/* ===============================================================
   MOBİL ALT MENÜ (TAB BAR)
   =============================================================== */
.tabbar {
    display: none;
    position: fixed;
    left: var(--space-3);
    right: var(--space-3);
    bottom: calc(var(--space-3) + env(safe-area-inset-bottom));
    z-index: 120;
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2) var(--space-1);
    grid-template-columns: repeat(5, 1fr);
    align-items: center;
}

.tabbar__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--space-2) 2px;
    color: var(--text-muted);
    font-size: .68rem;
    text-align: center;
    transition: color var(--t-fast);
}
.tabbar__item:hover,
.tabbar__item.is-active { color: var(--gold); }

.tabbar__item--main .tabbar__icon {
    display: grid;
    place-items: center;
    width: 58px; height: 58px;
    margin-top: -30px;
    border-radius: 50%;
    background: var(--surface);
    border: 1.5px solid var(--gold);
    color: var(--gold);
    box-shadow: var(--glow-gold);
}
.tabbar__item--main.is-active .tabbar__icon { background: var(--grad-gold); color: #17130A; }

/* ===============================================================
   MODAL (QR PAYLAŞ)
   =============================================================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: grid;
    place-items: center;
    padding: var(--space-4);
}
.modal[hidden] { display: none; }

.modal__backdrop { position: absolute; inset: 0; background: var(--overlay); backdrop-filter: blur(6px); }

.modal__box {
    position: relative;
    width: min(400px, 100%);
    max-height: 90vh;
    overflow-y: auto;
    background: var(--surface);
    border: 1px solid var(--gold);
    border-radius: var(--radius-lg);
    padding: var(--space-6) var(--space-5) var(--space-5);
    text-align: center;
    box-shadow: var(--shadow-lg);
    animation: modal-in .28s cubic-bezier(.2, .8, .3, 1);
}

@keyframes modal-in {
    from { opacity: 0; transform: translateY(16px) scale(.97); }
    to   { opacity: 1; transform: none; }
}

.modal__close {
    position: absolute;
    top: var(--space-3); right: var(--space-3);
    color: var(--text-muted);
    padding: 6px;
    border-radius: 50%;
    transition: color var(--t-fast), background var(--t-fast);
}
.modal__close:hover { color: var(--gold); background: var(--gold-ghost); }

.modal__title {
    font-size: var(--fs-2xl);
    letter-spacing: .12em;
    margin-bottom: var(--space-2);
}
.modal__text { color: var(--text-muted); font-size: var(--fs-sm); }

.qr-frame {
    margin: var(--space-4) auto var(--space-3);
    width: min(220px, 70%);
    aspect-ratio: 1;
    padding: var(--space-3);
    background: var(--gold-soft);
    border-radius: var(--radius-sm);
    display: grid;
    place-items: center;
}
.qr-frame img,
.qr-frame canvas,
.qr-frame__canvas { width: 100%; height: 100%; object-fit: contain; }
.qr-frame__canvas { display: grid; place-items: center; color: #17130A; font-size: var(--fs-xs); }

.modal__signature {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--gold);
    margin-bottom: var(--space-4);
}

.modal__actions { display: flex; flex-direction: column; gap: var(--space-2); }

/* ===============================================================
   TOAST
   =============================================================== */
.toast {
    position: fixed;
    left: 50%;
    bottom: calc(var(--tabbar-h) + var(--space-5));
    transform: translateX(-50%);
    z-index: 300;
    background: var(--surface-2);
    border: 1px solid var(--gold);
    color: var(--text);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-pill);
    font-size: var(--fs-sm);
    box-shadow: var(--shadow-md);
    animation: toast-in .25s ease;
}
.toast[hidden] { display: none; }

@keyframes toast-in {
    from { opacity: 0; transform: translate(-50%, 12px); }
    to   { opacity: 1; transform: translate(-50%, 0); }
}

/* ===============================================================
   RESPONSIVE
   =============================================================== */

/* Tablet */
@media (max-width: 1200px) {
    .main-nav { gap: var(--space-4); }
    .main-nav__link span { font-size: .76rem; }
    .btn--share span { display: none; }
}

/* Mobil / küçük tablet */
@media (max-width: 991px) {
    :root { --header-h: 64px; }

    .main-nav { display: none; }
    .tabbar { display: grid; }

    .site-header__inner { gap: var(--space-3); }
    .brand__mark { width: 40px; height: 40px; border-radius: 10px; }
    .brand__name { font-size: 1.1rem; }
    .brand__slogan { font-size: .6rem; letter-spacing: .18em; }

    .btn--share span { display: inline; font-size: .72rem; }

    .hero__inner { min-height: 320px; padding-block: var(--space-6); }
    .hero__media::after {
        background: linear-gradient(180deg,
            color-mix(in srgb, var(--bg) 40%, transparent) 0%,
            color-mix(in srgb, var(--bg) 82%, transparent) 55%,
            var(--bg) 100%);
    }
    .hero__desc { font-size: var(--fs-base); }

    .site-footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-5); }
    .site-footer { margin-bottom: 0; }
}

/* Telefon */
@media (max-width: 640px) {
    .site-header__inner { padding-inline: var(--space-3); }
    .brand__slogan { display: none; }

    .hero__inner { min-height: 280px; }
    .hero__title { font-size: clamp(2rem, 9vw, 2.6rem); }
    .hero__qr { width: 100%; }

    .section__head { flex-direction: column; align-items: flex-start; gap: var(--space-2); }

    .site-footer__grid { grid-template-columns: 1fr; }
    .site-footer__bar-inner { flex-direction: column; align-items: center; text-align: center; }
}