/* Ön yüz genel stilleri */

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

:root {
    --kirmizi: #e21b1b;
    --kirmizi-koyu: #b31212;
    --lacivert: #232a6b;
    --beyaz: #ffffff;
    --gri: #6b7280;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Poppins', sans-serif;
    color: var(--beyaz);
    background: #1a0505;
}

/* ---- Üst menü ---- */
.ust-menu {
    position: absolute;
    top: 0; left: 0; right: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.5rem 3rem;
}

.marka {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--beyaz);
    text-decoration: none;
    white-space: nowrap;
}

.menu-linkler {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    margin-left: auto;
}

.menu-linkler a {
    color: var(--beyaz);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    white-space: nowrap;
    transition: opacity 0.2s;
}

.menu-linkler a:hover { opacity: 0.75; }

.menu-butonlar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-giris {
    display: inline-block;
    background: var(--kirmizi);
    color: var(--beyaz);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.85rem 1.5rem;
    border-radius: 3px;
    white-space: nowrap;
    transition: background 0.2s;
}

.btn-giris:hover { background: var(--kirmizi-koyu); }

/* Sabitlenen menü (scroll sonrası veya iç sayfalar) */
.ust-menu.sabit {
    position: fixed;
    background: #e2e6f0;
    border-bottom: 2px solid var(--kirmizi);
    padding-top: 1rem;
    padding-bottom: 1rem;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.ust-menu.sabit .marka,
.ust-menu.sabit .menu-linkler a { color: #1a1a2e; }

.ust-menu.animasyonlu { animation: menuIn 0.3s ease-out; }

@keyframes menuIn {
    from { transform: translateY(-100%); }
    to   { transform: translateY(0); }
}

/* ---- Hero ---- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-gorsel {
    position: absolute;
    inset: 0;
    background: url('/assets/images/bg1.jpg') center center / cover no-repeat;
}

/* Kırmızı duotone katmanı */
.hero-gorsel::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(226, 27, 27, 0.85) 0%, rgba(120, 10, 10, 0.9) 55%, rgba(20, 2, 2, 0.95) 100%);
    mix-blend-mode: multiply;
}

.hero-icerik {
    position: relative;
    z-index: 10;
    max-width: 900px;
    padding: 8rem 1.5rem 4rem;
}

.hero-baslik {
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.01em;
}

.hero-aciklama {
    margin-top: 1.5rem;
    font-size: clamp(0.95rem, 1.6vw, 1.15rem);
    font-weight: 400;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.92);
}

/* ---- İç sayfa başlık şeridi ---- */
.sayfa-basligi {
    position: relative;
    padding: 11rem 1.5rem 5rem;
    text-align: center;
    overflow: hidden;
    background: linear-gradient(120deg, #a30f0f 0%, #e21b1b 55%, #8c0c0c 100%);
}

.sayfa-basligi h1 {
    position: relative;
    z-index: 2;
    font-size: clamp(1.9rem, 4.5vw, 3rem);
    font-weight: 700;
}

.sayfa-yolu {
    position: relative;
    z-index: 2;
    margin-top: 0.75rem;
    font-size: 0.92rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.85);
}

.sayfa-yolu a { color: inherit; text-decoration: none; }
.sayfa-yolu a:hover { color: var(--beyaz); }

/* ---- Bölüm başlıkları ---- */
.bolum-basligi { text-align: center; max-width: 760px; margin: 0 auto 4rem; }

.bolum-ust-yazi {
    color: var(--kirmizi);
    font-size: clamp(0.95rem, 1.5vw, 1.05rem);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.bolum-baslik {
    color: var(--kirmizi);
    font-size: clamp(1.9rem, 4vw, 2.6rem);
    font-weight: 700;
    line-height: 1.2;
}

.bolum-aciklama {
    margin-top: 1.25rem;
    color: var(--gri);
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    font-weight: 300;
    line-height: 1.7;
}

/* ---- Yöntemler bölümü ---- */
.yontemler {
    position: relative;
    background: linear-gradient(180deg, #ffffff 0%, #f4f6fb 60%, #e8edf7 100%);
    padding: 6rem 1.5rem 7rem;
    overflow: hidden;
}

.kartlar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1180px;
    margin: 0 auto;
}

.kart {
    background: #ffffff;
    border-radius: 14px;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 10px 40px rgba(23, 43, 99, 0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.kart:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 50px rgba(23, 43, 99, 0.14);
}

.kart-ikon {
    width: 68px;
    height: 68px;
    margin: 0 auto 2rem;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kart-ikon svg {
    width: 30px;
    height: 30px;
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.kart-ikon.sari        { background: #fef6dd; }
.kart-ikon.sari svg    { stroke: #f0b429; }
.kart-ikon.kirmizi     { background: #fde8e8; }
.kart-ikon.kirmizi svg { stroke: #e21b1b; }

.kart-baslik {
    color: #1a1a2e;
    font-size: clamp(1.15rem, 2vw, 1.35rem);
    font-weight: 500;
    margin-bottom: 1.25rem;
}

.kart-aciklama {
    color: var(--gri);
    font-size: 0.98rem;
    font-weight: 300;
    line-height: 1.8;
}

/* ---- Sık sorulan sorular ---- */
.sss {
    position: relative;
    background: linear-gradient(180deg, #e8edf7 0%, #f2f6fd 45%, #ffffff 100%);
    padding: 6rem 1.5rem 7rem;
    overflow: hidden;
}

/* Dekoratif daireler */
.sss::before, .sss::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: rgba(196, 216, 245, 0.35);
    pointer-events: none;
}

.sss::before { width: 620px; height: 620px; top: -140px; right: -180px; }
.sss::after  { width: 460px; height: 460px; top: 60px;   left: -220px; }

.sss-govde {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1180px;
    margin: 0 auto;
}

.sss-gorsel-alan { position: relative; }

.sss-gorsel {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    display: block;
    border-radius: 4px;
}

.iletisim-kutu {
    position: absolute;
    right: -3.5rem;
    bottom: 2rem;
    background: var(--kirmizi);
    padding: 2rem 2.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
    box-shadow: 0 14px 40px rgba(226, 27, 27, 0.28);
    max-width: 320px;
}

.iletisim-satir {
    display: flex;
    align-items: center;
    gap: 1.1rem;
    color: var(--beyaz);
    text-decoration: none;
}

.iletisim-satir svg {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    fill: none;
    stroke: var(--beyaz);
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.iletisim-ust {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.3;
}

.iletisim-alt {
    font-size: 0.85rem;
    font-weight: 300;
    opacity: 0.9;
    margin-top: 0.15rem;
}

.sss-liste { display: flex; flex-direction: column; gap: 1rem; }

.sss-oge { border-radius: 4px; overflow: hidden; }

.sss-soru {
    width: 100%;
    text-align: left;
    border: 0;
    cursor: pointer;
    font-family: inherit;
    color: var(--beyaz);
    font-size: clamp(0.92rem, 1.4vw, 1.02rem);
    font-weight: 600;
    padding: 1.4rem 3rem 1.4rem 1.5rem;
    background: linear-gradient(90deg, #a30f0f 0%, #e21b1b 100%);
    position: relative;
    transition: filter 0.2s;
}

.sss-soru:hover { filter: brightness(1.08); }

.sss-soru::after {
    content: '';
    position: absolute;
    right: 1.5rem;
    top: 50%;
    width: 9px; height: 9px;
    border-right: 2px solid var(--beyaz);
    border-bottom: 2px solid var(--beyaz);
    transform: translateY(-70%) rotate(45deg);
    transition: transform 0.25s;
}

.sss-oge.acik .sss-soru { background: linear-gradient(90deg, #8c0c0c 0%, #c41414 100%); }
.sss-oge.acik .sss-soru::after { transform: translateY(-20%) rotate(-135deg); }

.sss-cevap {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.sss-oge.acik .sss-cevap { max-height: 900px; }

.sss-cevap p {
    color: var(--gri);
    font-size: 0.98rem;
    font-weight: 300;
    line-height: 1.8;
    padding: 1.5rem 1.5rem 0.5rem;
}

/* ---- Metin sayfaları (aydınlatma metni vb.) ---- */
.metin-sayfa {
    background: #ffffff;
    padding: 5rem 1.5rem 6rem;
}

.metin-govde {
    max-width: 940px;
    margin: 0 auto;
    color: #3f4451;
}

.metin-govde > p {
    font-size: 1rem;
    font-weight: 300;
    line-height: 1.95;
    margin-bottom: 1.35rem;
}

.metin-govde h2 {
    color: var(--kirmizi);
    font-size: clamp(1.1rem, 2.2vw, 1.35rem);
    font-weight: 600;
    margin: 3rem 0 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #e6e9f2;
}

.metin-govde h3 {
    color: #1a1a2e;
    font-size: 1.02rem;
    font-weight: 600;
    margin: 1.75rem 0 0.85rem;
}

.metin-govde ul {
    list-style: none;
    margin-bottom: 1.35rem;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.metin-govde li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 1rem;
    font-weight: 300;
    line-height: 1.85;
}

.metin-govde li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.72em;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--kirmizi);
}

.metin-govde a { color: var(--kirmizi); text-decoration: none; }
.metin-govde a:hover { text-decoration: underline; }

.metin-kutu {
    background: #f6f8fd;
    border-left: 3px solid var(--kirmizi);
    border-radius: 4px;
    padding: 1.75rem 2rem;
    margin: 1.5rem 0;
}

.metin-kutu dl { display: grid; grid-template-columns: auto 1fr; gap: 0.7rem 1.25rem; }
.metin-kutu dt { font-weight: 600; color: #1a1a2e; font-size: 0.95rem; }
.metin-kutu dd { font-weight: 300; font-size: 0.95rem; line-height: 1.7; }

/* ---- Footer ---- */
.alt-bilgi {
    background: var(--lacivert);
    color: var(--beyaz);
    padding: 5rem 1.5rem;
}

.alt-govde {
    display: grid;
    grid-template-columns: 1.7fr 1fr 1.2fr 1.2fr;
    gap: 3rem;
    max-width: 1180px;
    margin: 0 auto;
}

.alt-marka {
    font-size: 1.35rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    margin-bottom: 1.5rem;
}

.alt-aciklama {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.95rem;
    font-weight: 300;
    line-height: 1.9;
    max-width: 420px;
}

.sosyal { display: flex; gap: 0.6rem; margin-top: 2rem; }

.sosyal a {
    width: 34px;
    height: 34px;
    border-radius: 4px;
    background: #2f5fd8;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.2s;
}

.sosyal a:hover { background: #4a78ef; transform: translateY(-2px); }
.sosyal svg { width: 15px; height: 15px; fill: var(--beyaz); }

.alt-sutun { padding-left: 2.5rem; border-left: 1px solid rgba(255, 255, 255, 0.12); }

.alt-baslik {
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    margin-bottom: 1.75rem;
}

.alt-sutun ul { list-style: none; display: flex; flex-direction: column; gap: 0.85rem; }

.alt-sutun a, .alt-sutun span {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 300;
    transition: color 0.2s;
}

.alt-sutun a:hover { color: var(--beyaz); }

/* ---- Yukarı çık ---- */
.yukari-cik {
    position: fixed;
    right: 1.5rem;
    bottom: 2.5rem;
    z-index: 30;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: #1a1a2e;
    text-decoration: none;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    writing-mode: vertical-rl;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.yukari-cik.gorunur { opacity: 1; visibility: visible; }
.yukari-cik:hover { color: var(--kirmizi); }

.yukari-cik::after {
    content: '';
    width: 1px;
    height: 55px;
    background: currentColor;
}

/* ---- Mobil ---- */
@media (max-width: 992px) {
    .kartlar { grid-template-columns: 1fr; max-width: 520px; }
    .yontemler, .sss { padding: 4rem 1.25rem 5rem; }

    .sss-govde { grid-template-columns: 1fr; gap: 3rem; max-width: 560px; }
    .iletisim-kutu {
        position: static;
        max-width: none;
        margin-top: -3rem;
        width: 100%;
    }

    .metin-sayfa { padding: 3rem 1.25rem 4rem; }
    .metin-kutu dl { grid-template-columns: 1fr; gap: 0.25rem; }
    .metin-kutu dd { margin-bottom: 0.75rem; }

    .alt-bilgi { padding: 3.5rem 1.25rem; }
    .alt-govde { grid-template-columns: 1fr; gap: 2.5rem; max-width: 560px; }
    .alt-sutun { padding-left: 0; border-left: 0; }
    .alt-aciklama { max-width: none; }
}

@media (max-width: 1200px) {
    .ust-menu { padding: 1.25rem 1.5rem; flex-wrap: wrap; }
    .menu-linkler { gap: 1.5rem; }
}

@media (max-width: 860px) {
    .ust-menu {
        justify-content: center;
        gap: 1rem;
        text-align: center;
    }
    .marka { width: 100%; text-align: center; font-size: 1.25rem; }
    .menu-linkler { margin: 0; gap: 1.25rem; }
    .menu-linkler a { font-size: 0.9rem; }
    .btn-giris { font-size: 0.7rem; padding: 0.7rem 1rem; }
    .hero-icerik { padding-top: 14rem; }
    .sayfa-basligi { padding-top: 14rem; }
}