:root {
    --bg: #050607;
    --bg-alt: #0a0c0f;
    --surface: #101318;
    --text: #f5f7fa;
    --muted: #8f9aa8;
    --gold: #c9a24e;
    --line: rgba(255,255,255,.14);
    --container: 1080px;
    --font: "Comfortaa", system-ui, sans-serif;
    --display: "Cormorant Garamond", Georgia, serif;
    --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    font-weight: 400;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; }
.container { width: min(var(--container), calc(100% - 2rem)); margin-inline: auto; }
.muted { color: var(--muted); }
.center { text-align: center; }

/* Header — devrimcan esinli */
.site-header {
    position: fixed; inset: 0 0 auto 0; z-index: 50;
    background: linear-gradient(180deg, rgba(5,6,7,.82) 0%, rgba(5,6,7,.35) 70%, transparent 100%);
    backdrop-filter: blur(8px);
    transition: background .4s var(--ease), box-shadow .4s var(--ease);
}
.site-header.is-scrolled {
    background: rgba(5,6,7,.94);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 30px rgba(0,0,0,.35);
}
.site-header__bar {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    min-height: 104px;
    padding: .35rem 0;
    gap: 1rem;
}
.site-header__socials { justify-self: start; }
.site-header__actions { justify-self: end; display: flex; align-items: center; gap: .75rem; }
.site-header__line {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--line), transparent);
}
.brand {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: clamp(.65rem, 1.4vw, 1.1rem);
    text-decoration: none;
    text-align: left;
    max-width: min(520px, 100%);
}
.brand__logo {
    display: block;
    height: clamp(96px, 13vw, 136px);
    width: auto;
    max-width: min(280px, 48vw);
    object-fit: contain;
    flex-shrink: 0;
}
.brand__text {
    font-family: var(--font);
    font-size: clamp(.82rem, 2.2vw, 1.35rem);
    font-weight: 300;
    letter-spacing: .12em;
    text-transform: uppercase;
    line-height: 1.2;
}
.socials {
    display: flex;
    align-items: center;
    gap: .9rem;
}
.socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: auto;
    height: auto;
    border: 0;
    border-radius: 0;
    color: var(--muted);
    text-decoration: none;
    transition: color .2s ease, transform .2s ease, opacity .2s ease;
}
.socials a:hover {
    color: #fff;
    transform: translateY(-1px);
}
.social-icon {
    display: block;
    flex-shrink: 0;
    font-size: 1.35rem;
    line-height: 1;
}
.site-header__socials--empty { min-width: 0; }
.menu-toggle {
    display: block;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: transparent;
    position: relative;
    cursor: pointer;
    transition: border-color .25s, background .25s;
}
.menu-toggle:hover {
    border-color: rgba(255,255,255,.35);
    background: rgba(255,255,255,.04);
}
.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
    content: "";
    position: absolute;
    left: 11px;
    right: 11px;
    height: 1.5px;
    background: #fff;
    transition: transform .3s var(--ease), opacity .3s var(--ease), top .3s var(--ease);
}
.menu-toggle span { top: 20px; }
.menu-toggle::before { top: 14px; }
.menu-toggle::after { top: 26px; }
body.nav-open .menu-toggle span { opacity: 0; }
body.nav-open .menu-toggle::before { top: 20px; transform: rotate(45deg); }
body.nav-open .menu-toggle::after { top: 20px; transform: rotate(-45deg); }

/* Tam ekran menü overlay */
.nav-overlay {
    position: fixed;
    inset: 0;
    z-index: 55;
    display: grid;
    place-items: center;
    padding: 5rem 1.5rem 2rem;
    background: rgba(5, 6, 7, 0.78);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .4s var(--ease), visibility .4s var(--ease);
}
.nav-overlay.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
.nav-overlay__menu {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(1rem, 2.8vh, 1.65rem);
    text-align: center;
}
.nav-overlay__menu a {
    text-decoration: none;
    color: rgba(255,255,255,.82);
    font-size: clamp(.82rem, 1.6vw, .95rem);
    font-weight: 400;
    letter-spacing: .22em;
    text-transform: uppercase;
    transition: color .25s, transform .25s;
}
.nav-overlay__menu a:hover {
    color: #fff;
    transform: translateY(-1px);
}
.nav-overlay__socials {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: .75rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255,255,255,.12);
}
body.nav-open { overflow: hidden; }
body.nav-open .site-header { z-index: 61; }

/* Hero — tam ekran açılış, slider arka planda */
.hero {
    position: relative;
    min-height: 100svh;
    isolation: isolate;
    overflow: hidden;
}
.hero__backdrop {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero__frame {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #0d1015;
}
.hero__frame-border {
    position: absolute;
    inset: clamp(88px, 11vh, 112px) clamp(10px, 1.5vw, 18px) clamp(10px, 1.5vw, 18px);
    border: 1px solid rgba(255,255,255,.45);
    pointer-events: none;
    z-index: 3;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
}
.hero__scrim {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background:
        linear-gradient(180deg, rgba(5,6,7,.72) 0%, rgba(5,6,7,.08) 38%, rgba(5,6,7,.55) 72%, rgba(5,6,7,.92) 100%);
}
.hero__slide {
    position: absolute; inset: 0;
    opacity: 0;
    transition: opacity 1.2s var(--ease);
}
.hero__slide.is-active { opacity: 1; z-index: 1; }
.hero__slide.is-active .hero__media { animation: heroKen 8s var(--ease) forwards; }
.hero__media {
    width: 100%; height: 100%; object-fit: cover;
    transform: scale(1.06);
}
@keyframes heroKen {
    from { transform: scale(1.08); }
    to { transform: scale(1); }
}
.hero__slide--placeholder {
    display: grid; place-items: center;
    background: linear-gradient(135deg, #12161d, #080a0d);
}
.hero__placeholder { text-align: center; color: var(--muted); }

.hero__front {
    position: relative;
    z-index: 4;
    min-height: 100svh;
    display: grid;
    grid-template-rows: 1fr auto auto auto;
    align-items: end;
    justify-items: center;
    padding: calc(72px + 0.5rem) 1rem 1.75rem;
    pointer-events: none;
}
.hero__front a,
.hero__front button {
    pointer-events: auto;
}
.hero__dots {
    display: flex;
    justify-content: center;
    gap: .5rem;
    margin: 0 0 1.5rem;
    width: 100%;
    grid-row: 2;
}
.hero__dots button {
    width: 32px; height: 2px; border: 0; border-radius: 999px;
    background: rgba(255,255,255,.28); cursor: pointer;
    transition: background .3s, transform .3s;
}
.hero__dots button.is-active { background: var(--gold); transform: scaleX(1.15); }

.hero__intro {
    text-align: center;
    width: min(720px, 100%);
    padding: 0;
    margin: 0 auto;
    grid-row: 3;
}
.hero__tagline {
    margin: 0 0 .65rem;
    color: var(--gold);
    font-size: .72rem;
    letter-spacing: .24em;
    text-transform: uppercase;
}
.hero__title {
    font-family: var(--display);
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 600;
    margin: 0;
    line-height: 1.05;
    text-shadow: 0 8px 28px rgba(0,0,0,.45);
}
.hero__subtitle {
    margin: .85rem 0 1.35rem;
    color: #e2e8ef;
    font-size: .98rem;
    font-weight: 300;
    text-shadow: 0 4px 18px rgba(0,0,0,.35);
}
.hero__actions { display: flex; justify-content: center; gap: .65rem; flex-wrap: wrap; }
.hero__scroll {
    margin-top: 1.25rem;
    width: 28px; height: 44px;
    border: 1px solid var(--line);
    border-radius: 999px;
    display: grid; place-items: center;
    text-decoration: none;
    opacity: .7;
    transition: opacity .3s, transform .3s;
    pointer-events: auto;
    grid-row: 4;
}
.hero__scroll span {
    width: 4px; height: 8px; border-radius: 999px;
    background: #fff;
    animation: scrollPulse 1.8s ease infinite;
}
.hero__scroll:hover { opacity: 1; transform: translateY(2px); }
@keyframes scrollPulse {
    0%, 100% { transform: translateY(-3px); opacity: .4; }
    50% { transform: translateY(4px); opacity: 1; }
}

.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: .78rem 1.35rem; border-radius: 999px;
    text-decoration: none; border: 1px solid transparent;
    font-size: .78rem; font-weight: 600;
    letter-spacing: .08em; text-transform: uppercase;
    cursor: pointer;
    transition: transform .25s, box-shadow .25s, background .25s;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
    background: linear-gradient(135deg, var(--gold), #a88438);
    color: #111;
    box-shadow: 0 8px 24px rgba(201,162,78,.25);
}
.btn--ghost {
    border-color: var(--line);
    color: var(--text);
    background: rgba(255,255,255,.02);
}

/* Sections — kurumsal, ortalı */
.section {
    padding: 4.5rem 0;
    border-top: 1px solid rgba(255,255,255,.04);
}
.section--alt { background: var(--bg-alt); }
.section__title {
    text-align: center;
    margin-bottom: 2rem;
}
.section__title h2 {
    margin: 0;
    font-family: var(--font);
    font-size: clamp(1.1rem, 2.5vw, 1.45rem);
    font-weight: 500;
    letter-spacing: .28em;
    text-transform: uppercase;
}
.section__rule {
    display: block;
    width: 48px; height: 1px;
    background: var(--gold);
    margin: .85rem auto 0;
    opacity: .8;
}
.section__content {
    max-width: 680px;
    margin-inline: auto;
    text-align: center;
}
.prose p {
    margin: 0;
    color: #c8d0da;
    font-size: .96rem;
    font-weight: 300;
}

/* Medya çerçeveleri */
.media-frame {
    position: relative;
    display: block;
    overflow: hidden;
    background: #0e1116;
    border: 0;
    padding: 0;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}
.media-frame::after {
    content: "";
    position: absolute; inset: 8px;
    border: 1px solid rgba(255,255,255,.45);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
    pointer-events: none;
    transition: border-color .35s;
}
.media-frame:hover::after { border-color: rgba(201,162,78,.65); }
.media-frame img {
    width: 100%; aspect-ratio: 4/5; object-fit: cover;
    transition: transform .6s var(--ease), filter .6s;
    filter: saturate(.92);
}
.media-frame:hover img { transform: scale(1.04); filter: saturate(1); }

.gallery-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .85rem;
}
.gallery-more {
    display: flex;
    justify-content: center;
    margin-top: 1.75rem;
}
.gallery-more__btn {
    min-width: 180px;
    letter-spacing: .14em;
}

.page-gallery {
    padding-top: 5.5rem;
    animation: pageGalleryIn .65s var(--ease) both;
}
.page-gallery__intro {
    padding-bottom: 1.5rem;
}
.page-gallery__intro h1 {
    margin: 0;
    font-family: var(--font);
    font-size: clamp(1.1rem, 2.5vw, 1.45rem);
    font-weight: 500;
    letter-spacing: .28em;
    text-transform: uppercase;
}
.page-gallery__back {
    margin: 1rem 0 0;
}
.page-gallery__back a {
    color: var(--muted);
    text-decoration: none;
    letter-spacing: .12em;
    text-transform: uppercase;
    font-size: .72rem;
    transition: color .25s;
}
.page-gallery__back a:hover { color: #fff; }
.page-gallery__grid {
    padding-top: 0;
}
.gallery-strip--page .gallery-item[data-reveal] {
    opacity: 0;
    transform: translateY(28px) scale(.98);
    transition:
        opacity .75s var(--ease),
        transform .75s var(--ease);
}
.gallery-strip--page .gallery-item[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}
@keyframes pageGalleryIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}
.video-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .85rem;
    max-width: 900px;
    margin-inline: auto;
}
.video-item img { aspect-ratio: 16/10; }
.video-item__preview {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    pointer-events: none;
    background: #000;
}
.video-item--file .video-item__preview,
.video-item--file img {
    aspect-ratio: 9/16;
    max-height: 420px;
    object-fit: cover;
}
.video-item__play {
    position: absolute; inset: 0;
    display: grid; place-items: center;
    font-size: 1.6rem;
    background: rgba(0,0,0,.28);
    transition: background .3s;
}
.video-item:hover .video-item__play { background: rgba(0,0,0,.4); }
.video-item__fallback {
    display: grid; place-items: center;
    min-height: 180px; padding: 1rem;
    color: var(--muted);
}

/* İletişim */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 2rem;
    max-width: 900px;
    margin-inline: auto;
}
/* İletişim — Management */
.contact-management__intro {
    color: #b8c2ce;
    font-size: .92rem;
    font-weight: 300;
    line-height: 1.75;
    margin: 0 0 1.25rem;
    max-width: 520px;
}
.contact-management__card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.35rem 1.5rem;
    background: rgba(255,255,255,.02);
}
.contact-management__label {
    display: block;
    font-size: .68rem;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: .45rem;
}
.contact-management__card h3 {
    margin: 0 0 1rem;
    font-family: var(--font);
    font-size: 1.15rem;
    font-weight: 500;
    letter-spacing: .06em;
}
.contact-form__note {
    margin: -.35rem 0 .5rem;
    color: var(--muted);
    font-size: .82rem;
    font-weight: 300;
}
.contact-info h3,
.contact-form h3 {
    margin: 0 0 1rem;
    font-size: .78rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 500;
}
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li {
    padding: .75rem 0;
    border-bottom: 1px solid rgba(255,255,255,.06);
    font-size: .92rem;
}
.contact-list li span {
    display: block;
    font-size: .68rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: .2rem;
}
.contact-list a { color: var(--gold); text-decoration: none; }
.contact-form { display: grid; gap: .65rem; }
.contact-form__logo {
    display: block;
    width: auto;
    max-width: min(380px, 88%);
    height: auto;
    max-height: 148px;
    margin: 1.5rem auto 0;
    object-fit: contain;
    opacity: .95;
}
.field input, .field textarea {
    width: 100%;
    background: rgba(255,255,255,.03);
    border: 1px solid var(--line);
    color: var(--text);
    border-radius: 10px;
    padding: .8rem .95rem;
    font: inherit;
    transition: border-color .25s, background .25s;
}
.field input:focus, .field textarea:focus {
    outline: none;
    border-color: rgba(201,162,78,.5);
    background: rgba(255,255,255,.05);
}
.field--invalid input,
.field--invalid textarea {
    border-color: rgba(220, 90, 90, .65);
    background: rgba(220, 90, 90, .06);
}
.field--invalid input:focus,
.field--invalid textarea:focus {
    border-color: rgba(220, 90, 90, .85);
}
.field textarea { min-height: 120px; resize: vertical; }

/* Footer */
.site-footer {
    border-top: 1px solid var(--line);
    padding: 1.25rem 0 2rem;
    color: var(--muted);
    font-size: .78rem;
    letter-spacing: .06em;
}
.site-footer__inner { display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
.site-footer__copy p {
    margin: 0;
    line-height: 1.4;
}
.to-top { color: var(--muted); text-decoration: none; text-transform: uppercase; letter-spacing: .12em; font-size: .68rem; }

/* Modals */
.lightbox, .video-modal {
    position: fixed; inset: 0; z-index: 100;
    background: rgba(0,0,0,.9);
    display: grid; place-items: center; padding: 1rem;
    animation: fadeIn .3s var(--ease);
}
.lightbox[hidden], .video-modal[hidden] { display: none; }
.lightbox__img { max-width: min(1100px, 100%); max-height: 85vh; }
.lightbox__close, .video-modal__close {
    position: absolute; top: 1rem; right: 1rem;
    width: 42px; height: 42px; border-radius: 999px;
    border: 1px solid var(--line); background: rgba(0,0,0,.5);
    color: #fff; font-size: 1.4rem; cursor: pointer;
}
.video-modal__frame {
    width: min(960px, 100%); aspect-ratio: 16/9;
    background: #000; overflow: hidden;
}
.video-modal__frame iframe,
.video-modal__frame video {
    width: 100%;
    height: 100%;
    border: 0;
    background: #000;
    object-fit: contain;
}
.video-modal__frame iframe { border: 0; }

/* Form notice modal */
.notice-modal {
    position: fixed; inset: 0; z-index: 110;
    background: rgba(0,0,0,.75);
    display: grid; place-items: center; padding: 1rem;
    animation: fadeIn .3s var(--ease);
}
.notice-modal[hidden] { display: none; }
.notice-modal__dialog {
    position: relative;
    width: min(420px, 100%);
    padding: 2rem 1.75rem 1.5rem;
    background: var(--surface, #0d0f11);
    border: 1px solid var(--line);
    border-radius: 4px;
    text-align: center;
    box-shadow: 0 24px 48px rgba(0,0,0,.45);
}
.notice-modal__close {
    position: absolute; top: .75rem; right: .75rem;
    width: 36px; height: 36px; border-radius: 999px;
    border: 1px solid var(--line); background: transparent;
    color: var(--muted); font-size: 1.25rem; cursor: pointer;
    line-height: 1;
}
.notice-modal__icon {
    width: 56px; height: 56px; margin: 0 auto 1rem;
    border-radius: 999px; display: grid; place-items: center;
    font-size: 1.5rem;
}
.notice-modal.is-success .notice-modal__icon {
    background: rgba(76,175,125,.15); color: #6fcf97;
}
.notice-modal.is-error .notice-modal__icon {
    background: rgba(220,90,90,.15); color: #e88;
}
.notice-modal__title {
    margin: 0 0 .5rem; font-size: 1.15rem; font-weight: 600;
}
.notice-modal__text {
    margin: 0 0 1.25rem; color: var(--muted); font-size: .92rem; line-height: 1.55;
}
.notice-modal__btn { min-width: 120px; }

/* Scroll reveal */
[data-reveal] {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity .8s var(--ease), transform .8s var(--ease);
}
[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media (max-width: 900px) {
    .site-header__bar { grid-template-columns: auto 1fr auto; }
    .brand {
        justify-self: center;
        gap: .55rem;
        max-width: calc(100vw - 7.5rem);
    }
    .site-header__bar {
        min-height: 88px;
        padding: .25rem 0;
    }
    .brand__logo {
        height: clamp(76px, 22vw, 108px);
        max-width: min(180px, 42vw);
    }
    .brand__text {
        font-size: clamp(.68rem, 2.8vw, .88rem);
        letter-spacing: .08em;
    }
    .gallery-strip { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .video-strip, .contact-layout { grid-template-columns: 1fr; }
    .hero__frame-border {
        inset: clamp(80px, 10vh, 96px) 8px 8px;
    }
    .hero__front {
        padding-bottom: 1.25rem;
    }
    .site-footer__inner {
        align-items: flex-end;
        gap: .75rem;
    }
    .contact-form__logo {
        max-height: 124px;
        max-width: min(320px, 92%);
    }
    .site-footer__copy p {
        font-size: .68rem;
        letter-spacing: .04em;
    }
    .to-top {
        flex-shrink: 0;
        white-space: nowrap;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
    [data-reveal] { opacity: 1; transform: none; }
}
