:root {
    --ink: #102027;
    --muted: #5d6f78;
    --line: #d8e3e2;
    --paper: #fbfdfc;
    --soft: #eef7f4;
    --teal: #0c5d62;
    --teal-2: #087f8c;
    --gold: #c99842;
    --white: #ffffff;
    --shadow: 0 18px 50px rgba(16, 32, 39, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    color: var(--ink);
    background: var(--paper);
    line-height: 1.6;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 18px;
    min-height: 72px;
    padding: 12px clamp(18px, 4vw, 58px);
    background: rgba(255, 255, 255, .92);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(14px);
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 300px; }
.brand img {
    width: 54px;
    height: 54px;
    border-radius: 8px;
    object-fit: cover;
    background: #fff;
    box-shadow: 0 8px 24px rgba(16, 32, 39, .10);
}
.brand strong { font-size: 16px; line-height: 1.2; }
.site-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: clamp(8px, 1.5vw, 20px);
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
}
.site-nav > a, .nav-group > button {
    min-height: 42px;
    padding: 8px 4px;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    cursor: pointer;
}
.site-nav a:hover, .site-nav .active, .nav-group.active > button, .nav-group:hover > button { color: #d95c2b; }
.nav-group { position: relative; }
.dropdown {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    display: grid;
    min-width: 280px;
    padding: 18px;
    border: 1px solid rgba(216, 227, 226, .72);
    border-radius: 8px;
    background: rgba(255,255,255,.97);
    box-shadow: 0 26px 70px rgba(16,32,39,.16);
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 8px);
    transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}
.dropdown a {
    padding: 11px 12px;
    border-radius: 6px;
    color: var(--ink);
    font-size: 18px;
    font-weight: 500;
}
.dropdown a:hover, .dropdown a.active { background: var(--soft); color: #d95c2b; }
.nav-group:hover .dropdown, .nav-group:focus-within .dropdown, .nav-group.open .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}
.header-cta, .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 12px 18px;
    border: 0;
    border-radius: 8px;
    font-weight: 800;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.header-cta, .btn.primary { color: var(--white); background: var(--teal); box-shadow: var(--shadow); }
.btn.ghost { color: var(--white); border: 1px solid rgba(255,255,255,.7); }
.header-cta:hover, .btn:hover { transform: translateY(-1px); }
.menu-toggle { display: none; margin-left: auto; border: 0; background: transparent; font-size: 28px; color: var(--teal); }
.menu-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    margin: 6px 0;
    background: currentColor;
    transition: transform .2s ease, opacity .2s ease;
}
.menu-toggle.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.fixed-actions {
    position: fixed;
    right: 16px;
    bottom: 22px;
    z-index: 900;
    display: grid;
    gap: 10px;
    transform: none;
}
.fixed-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 112px;
    min-height: 44px;
    padding: 10px 12px;
    border-radius: 8px;
    color: #fff;
    font-weight: 900;
    box-shadow: var(--shadow);
}
.fixed-btn.whatsapp { background: #128c7e; }
.fixed-btn.payment { background: var(--gold); color: #1c1405; }

.hero {
    position: relative;
    min-height: calc(100vh - 72px);
    overflow: hidden;
    background: #0b3134;
    cursor: grab;
    touch-action: pan-y;
    user-select: none;
}
.hero.dragging { cursor: grabbing; }
.slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    padding: clamp(70px, 10vw, 130px) clamp(22px, 7vw, 100px);
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1.04);
    transition: opacity .8s ease, transform 1.2s ease;
}
.slide::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(5, 35, 39, .88) 0%, rgba(5, 35, 39, .55) 46%, rgba(5, 35, 39, .18) 100%);
}
.poster-slide::before {
    background: linear-gradient(90deg, rgba(3, 18, 34, .80) 0%, rgba(3, 18, 34, .38) 46%, rgba(3, 18, 34, .14) 100%);
}
.clean-slide::before {
    background: linear-gradient(90deg, rgba(1, 27, 32, .92) 0%, rgba(1, 27, 32, .78) 35%, rgba(1, 27, 32, .34) 58%, rgba(1, 27, 32, .08) 100%);
}
.slide.active { opacity: 1; transform: scale(1); z-index: 1; }
.hero-copy { position: relative; z-index: 2; max-width: 720px; color: var(--white); }
.hero-copy.compact { max-width: 660px; }
.eyebrow {
    margin: 0 0 10px;
    color: var(--gold);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0;
    text-transform: uppercase;
}
.hero h1, .hero h2 {
    margin: 0 0 18px;
    font-size: clamp(42px, 7vw, 76px);
    line-height: 1.02;
    letter-spacing: 0;
}
.hero p:not(.eyebrow) { max-width: 620px; margin: 0 0 28px; font-size: clamp(18px, 2.2vw, 24px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.slider-controls {
    position: absolute;
    z-index: 5;
    left: clamp(22px, 7vw, 100px);
    bottom: 32px;
    display: flex;
    gap: 10px;
}
.dot { width: 36px; height: 5px; padding: 0; border: 0; border-radius: 999px; background: rgba(255,255,255,.45); cursor: pointer; }
.dot.active { background: var(--gold); }

.notice {
    display: flex;
    justify-content: center;
    gap: 12px;
    padding: 18px 22px;
    color: var(--white);
    background: var(--teal);
    text-align: center;
}
.section { padding: clamp(58px, 8vw, 96px) clamp(20px, 6vw, 86px); }
.page-hero {
    position: relative;
    min-height: 390px;
    display: flex;
    align-items: flex-end;
    padding: clamp(90px, 12vw, 150px) clamp(20px, 6vw, 86px) clamp(44px, 7vw, 76px);
    color: #fff;
    background-size: cover;
    background-position: center;
}
.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(5,35,39,.86), rgba(5,35,39,.44));
}
.page-hero > div { position: relative; max-width: 900px; }
.page-hero h1 { margin: 0; font-size: clamp(38px, 6vw, 68px); line-height: 1.04; }
.section-head { max-width: 780px; margin-bottom: 28px; }
.section h2 { margin: 0; font-size: clamp(30px, 4vw, 46px); line-height: 1.12; }
.section h3 { margin: 0 0 12px; font-size: 22px; }
.band { background: var(--soft); }

.info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 34px;
}
.feature-grid, .people-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.feature-grid a, .feature-grid article, .people-grid article, .notice-card, .content, .contact-panel {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 12px 34px rgba(16, 32, 39, .08);
}
.feature-grid a, .feature-grid article, .people-grid article {
    min-height: 180px;
    padding: 22px;
}
.feature-grid span, .people-grid span {
    display: block;
    margin-bottom: 10px;
    color: var(--gold);
    font-weight: 900;
    font-size: 13px;
    text-transform: uppercase;
}
.feature-grid strong, .people-grid strong { display: block; font-size: 22px; line-height: 1.22; color: var(--teal); }
.feature-grid p, .people-grid p { color: var(--muted); }
.content { padding: clamp(22px, 4vw, 36px); }
.content h2 { font-size: clamp(30px, 4vw, 46px); }
.narrow { max-width: 960px; margin: 0 auto; }
.notice-card { padding: clamp(26px, 5vw, 46px); text-align: center; }
.notice-card h2 { color: var(--teal); }
.muted-note { color: var(--muted); margin-top: 20px; }
.poster-section {
    padding-top: 0;
    background: linear-gradient(180deg, var(--paper), #eef7f4);
}
.poster-frame {
    width: min(760px, 100%);
    margin: 0 auto;
    padding: clamp(12px, 2vw, 20px);
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 26px 80px rgba(16, 32, 39, .16);
}
.poster-frame img {
    width: 100%;
    border-radius: 6px;
    object-fit: cover;
}
.info-grid article, .highlight, .review-board, .register-form {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(16, 32, 39, .06);
}
.info-grid article { padding: 20px; }
.info-grid span { display: block; color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.info-grid strong { font-size: 18px; line-height: 1.35; }
.two-col { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, .6fr); gap: 34px; align-items: start; }
.two-col p { color: #33484f; }
.signature { font-weight: 800; color: var(--teal) !important; }
.invite-list {
    margin: 16px 0;
    padding-left: 20px;
    color: #33484f;
}
.invite-list li { margin-bottom: 8px; }
.highlight { padding: 26px; border-top: 5px solid var(--gold); }
.highlight strong { display: block; font-size: 28px; line-height: 1.15; margin-bottom: 16px; color: var(--teal); }

.chips, .included {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 28px;
}
.chips span, .included span, .board span {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 9px 13px;
    background: var(--white);
    color: #29434b;
    font-weight: 700;
    font-size: 14px;
}
.topic-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}
.topic-list article {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
}
.topic-list span {
    display: grid;
    place-items: center;
    flex: 0 0 38px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--teal);
    color: var(--white);
    font-weight: 900;
}
.topic-list p { margin: 0; font-weight: 700; }

.timeline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.timeline article {
    padding: 24px;
    border-left: 4px solid var(--gold);
    background: #fff;
    box-shadow: var(--shadow);
}
.timeline time { display: block; color: var(--teal); font-weight: 900; margin-bottom: 8px; }
.timeline strong { font-size: 20px; }

.board {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
.board span { border-radius: 8px; }
.review-board { margin-top: 22px; padding: 22px; }
.review-board p { margin-bottom: 0; color: var(--muted); }

.price-table {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
}
.price-row {
    display: grid;
    grid-template-columns: 1.35fr repeat(4, 1fr);
    border-bottom: 1px solid var(--line);
}
.price-row:last-child { border-bottom: 0; }
.price-row span { padding: 15px; font-weight: 800; border-right: 1px solid var(--line); }
.price-row span:last-child { border-right: 0; }
.price-head { background: var(--teal); color: var(--white); }
.payment-note { color: var(--muted); font-size: 14px; }
.payment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin: 22px 0 28px;
}
.payment-grid article {
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 8px 24px rgba(16, 32, 39, .06);
}
.payment-grid h3 { color: var(--teal); }
.payment-grid p { margin: 7px 0; color: #33484f; }
.payment-grid a { color: var(--teal); font-weight: 800; }

.register-form { margin-top: 28px; padding: 24px; }
.register-form h3 { color: var(--teal); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
label { display: grid; gap: 6px; color: var(--muted); font-weight: 800; font-size: 14px; }
.full { grid-column: 1 / -1; }
input, select, textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px 13px;
    font: inherit;
    color: var(--ink);
    background: #fff;
}
.kvkk { display: flex; align-items: flex-start; gap: 10px; margin: 18px 0; color: #384f57; }
.kvkk input { width: auto; margin-top: 5px; }

.media-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.media-grid img, .media-grid iframe {
    width: 100%;
    min-height: 360px;
    border: 0;
    border-radius: 8px;
    box-shadow: var(--shadow);
    object-fit: cover;
}
.contact {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(320px, 1.1fr);
    gap: 34px;
    background: #0c3539;
    color: #fff;
}
.contact-page { display: grid; gap: 24px; }
.contact-panel {
    display: grid;
    gap: 10px;
    padding: 28px;
}
.contact-panel a {
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--teal);
    font-weight: 800;
}
.contact p { color: rgba(255,255,255,.78); }
.contact-list { display: grid; gap: 10px; }
.contact-list a, .contact-list span {
    padding: 13px 15px;
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 8px;
    background: rgba(255,255,255,.07);
}
.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    padding: 22px clamp(20px, 6vw, 86px);
    color: var(--muted);
    border-top: 1px solid var(--line);
}

@media (max-width: 980px) {
    .site-header {
        position: fixed;
        inset: 0 0 auto 0;
        z-index: 2000;
        flex-wrap: wrap;
        min-height: 76px;
        background: rgba(255,255,255,.96);
    }
    .brand { min-width: 0; flex: 1; }
    .menu-toggle {
        position: relative;
        z-index: 2201;
        display: block;
        width: 44px;
        height: 44px;
        padding: 6px 9px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: #fff;
        font-size: 0;
    }
    .site-nav {
        position: fixed;
        top: 82px;
        left: 16px;
        right: 16px;
        bottom: auto;
        z-index: 2100;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: 7px;
        max-height: none;
        padding: 10px;
        border: 1px solid var(--line);
        border-radius: 12px;
        background: rgba(251, 253, 252, .99);
        color: var(--ink);
        overflow: visible;
        overscroll-behavior: auto;
        box-shadow: 0 24px 80px rgba(16,32,39,.18);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px) scale(.98);
        transition: opacity .22s ease, transform .28s ease, visibility .22s ease;
    }
    .site-nav.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0) scale(1);
    }
    .site-nav > a, .nav-group > button {
        width: 100%;
        min-height: 46px;
        padding: 0 14px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: #fff;
        text-align: left;
        font-size: 16px;
        box-shadow: 0 8px 22px rgba(16,32,39,.05);
    }
    .nav-group { width: 100%; }
    .nav-group:has(.dropdown) { display: contents; }
    .nav-group > button {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .nav-group > button span { transition: transform .2s ease; }
    .nav-group.open > button span { transform: rotate(180deg); }
    .dropdown {
        position: static;
        min-width: 100%;
        grid-column: 1 / -1;
        padding: 8px 0 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        box-shadow: none;
        border: 0;
        background: transparent;
    }
    .nav-group.open .dropdown { display: grid; }
    .nav-group.open .dropdown,
    .nav-group:focus-within .dropdown,
    .nav-group:hover .dropdown {
        opacity: 1;
        visibility: visible;
        transform: none;
    }
    .dropdown a {
        margin-left: 0;
        padding: 9px 12px;
        border-left: 3px solid var(--gold);
        border-radius: 0 8px 8px 0;
        background: #fff;
        font-size: 14px;
    }
    .header-cta { display: none; }
    main { padding-top: 76px; }
    .hero { min-height: 720px; }
    .info-grid, .topic-list, .timeline, .board, .media-grid, .contact, .two-col, .payment-grid, .feature-grid, .people-grid { grid-template-columns: 1fr; }
    .price-table { border: 0; background: transparent; display: grid; gap: 12px; }
    .price-row { grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #fff; }
    .price-head { display: none; }
    .price-row span:first-child { grid-column: 1 / -1; color: #fff; background: var(--teal); }
}

@media (max-width: 620px) {
    .site-header { min-height: 72px; padding: 10px 16px; }
    .brand strong { font-size: 13px; max-width: 210px; }
    .site-nav { grid-template-columns: 1fr; }
    main { padding-top: 72px; padding-bottom: 76px; }
    .hero { min-height: 650px; }
    .slide { padding: 84px 20px 86px; background-position: center; }
    .slide::before { background: linear-gradient(180deg, rgba(5,35,39,.72), rgba(5,35,39,.88)); }
    .hero h1, .hero h2 { font-size: 40px; }
    .hero p:not(.eyebrow) { font-size: 18px; }
    .fixed-actions {
        top: auto;
        left: 12px;
        right: 12px;
        bottom: 12px;
        grid-template-columns: 1fr 1fr;
        transform: none;
        padding: 8px;
        border: 1px solid rgba(216,227,226,.9);
        border-radius: 12px;
        background: rgba(255,255,255,.92);
        backdrop-filter: blur(12px);
    }
    .fixed-btn {
        width: 100%;
        min-height: 42px;
        font-size: 13px;
    }
    .notice { flex-direction: column; gap: 4px; }
    .form-grid { grid-template-columns: 1fr; }
    .price-row { grid-template-columns: 1fr; }
    .price-row span { border-right: 0; border-bottom: 1px solid var(--line); }
    .site-footer { flex-direction: column; }
}