:root {
    --bg:#0f172a;
    --card:#111827;
    --ink:#111827;
    --muted:#64748b;
    --gold:#c69c55;
    --cream:#f8f5ef;
    --white:#fff;
    --line:#e5e7eb;
    --radius:22px;
    --shadow:0 18px 55px rgba(15,23,42,.12)
}
* {
    box-sizing:border-box
}
html {
    scroll-behavior:smooth
}
body {
    margin:0;
    font-family:'Segoe UI',Arial,sans-serif;
    color:var(--ink);
    background:#fff;
    line-height:1.65
}
a {
    color:inherit;
    text-decoration:none
}
img {
    max-width:100%;
    display:block
}
.container {
    width:min(1160px,92%);
    margin:auto
}
.topbar {
    background:#0b1224;
    color:#e5e7eb;
    font-size:14px
}
.topbar .container {
    display:flex;
    justify-content:space-between;
    gap:15px;
    padding:8px 0;
    flex-wrap:wrap
}
.navbar {
    position:sticky;
    top:0;
    z-index:50;
    background:rgba(255,255,255,.94);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line)
}
.nav-inner {
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:16px 0
}
.brand {
    display:flex;
    align-items:center;
    gap:12px;
    font-weight:800
}
.brand-mark {
    width:48px;
    height:48px;
    border-radius:50%;
    background:linear-gradient(135deg,var(--gold),#8a6330);
    display:grid;
    place-items:center;
    color:white;
    font-size:22px;
    box-shadow:var(--shadow)
}
.brand small {
    display:block;
    color:var(--muted);
    font-weight:600
}
.menu {
    display:flex;
    align-items:center;
    gap:22px;
    font-weight:650
}
.menu a {
    padding:8px 0;
    border-bottom:2px solid transparent
}
.menu a:hover,.menu a.active {
    color:#8a6330;
    border-color:var(--gold)
}
.menu-toggle {
    display:none;
    border:0;
    background:#111827;
    color:white;
    padding:10px 13px;
    border-radius:12px;
    font-size:18px
}
.hero {
    background:radial-gradient(circle at 20% 20%,rgba(198,156,85,.22),transparent 32%),linear-gradient(135deg,#111827,#0f172a 62%,#261d12);
    color:white;
    overflow:hidden
}
.hero-grid {
    display:grid;
    grid-template-columns:1.05fr .95fr;
    gap:40px;
    align-items:center;
    min-height:560px;
    padding:70px 0
}
.eyebrow {
    display:inline-flex;
    align-items:center;
    gap:8px;
    color:#ffe3ad;
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.14);
    padding:8px 14px;
    border-radius:999px;
    font-weight:700
}
.hero h1 {
    font-size:clamp(38px,6vw,76px);
    line-height:1.02;
    margin:20px 0 18px
}
.hero p {
    color:#d1d5db;
    font-size:18px;
    max-width:650px
}
.buttons {
    display:flex;
    gap:14px;
    flex-wrap:wrap;
    margin-top:26px
}
.btn {
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:13px 20px;
    border-radius:999px;
    font-weight:800;
    transition:.2s
}
.btn-primary {
    background:var(--gold);
    color:#111827
}
.btn-primary:hover {
    transform:translateY(-2px);
    box-shadow:0 12px 30px rgba(198,156,85,.35)
}
.btn-light {
    background:rgba(255,255,255,.1);
    color:white;
    border:1px solid rgba(255,255,255,.18)
}
.hero-card {
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.13);
    padding:24px;
    border-radius:30px;
    box-shadow:0 30px 80px rgba(0,0,0,.25)
}
.hero-visual {
    height:360px;
    border-radius:24px;
    background:linear-gradient(160deg,#fff7e6,#d5b06a 45%,#111827);
    position:relative;
    overflow:hidden
}
.hero-visual:before {
    content:'♪';
    position:absolute;
    font-size:210px;
    color:rgba(255,255,255,.34);
    left:45px;
    top:15px
}
.hero-visual:after {
    content:'Dr. Timur VURAL';
    position:absolute;
    left:24px;
    bottom:22px;
    color:white;
    font-size:26px;
    font-weight:800;
    text-shadow:0 3px 12px #000
}
.section {
    padding:82px 0
}
.section.alt {
    background:var(--cream)
}
.section-title {
    max-width:760px;
    margin-bottom:36px
}
.section-title.center {
    text-align:center;
    margin-left:auto;
    margin-right:auto
}
.section-title h2 {
    font-size:clamp(30px,4vw,48px);
    line-height:1.12;
    margin:0 0 12px
}
.section-title p {
    color:var(--muted);
    margin:0
}
.cards {
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:22px
}
.card {
    background:white;
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:26px;
    box-shadow:var(--shadow)
}
.card h3 {
    margin:0 0 10px
}
.card p,.card li {
    color:#475569
}
.icon {
    width:54px;
    height:54px;
    border-radius:17px;
    background:#f3ead8;
    color:#8a6330;
    display:grid;
    place-items:center;
    font-size:24px;
    margin-bottom:14px
}
.content-grid {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:30px;
    align-items:start
}
.panel {
    background:white;
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:30px;
    box-shadow:var(--shadow)
}
.list {
    padding-left:18px
}
.list li {
    margin:8px 0
}
.timeline {
    position:relative;
    padding-left:24px
}
.timeline:before {
    content:'';
    position:absolute;
    left:4px;
    top:8px;
    bottom:8px;
    width:2px;
    background:#e4d2aa
}
.time-item {
    position:relative;
    margin-bottom:18px
}
.time-item:before {
    content:'';
    position:absolute;
    left:-26px;
    top:8px;
    width:12px;
    height:12px;
    border-radius:50%;
    background:var(--gold)
}
.gallery {
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:18px
}
.gallery a {
    height:220px;
    border-radius:20px;
    overflow:hidden;
    background:linear-gradient(135deg,#e7d8b7,#0f172a);
    position:relative;
    box-shadow:var(--shadow)
}
.gallery a span {
    position:absolute;
    left:16px;
    bottom:14px;
    color:white;
    font-weight:800;
    text-shadow:0 2px 10px #000
}
.video-grid {
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:22px
}
.video-card {
    aspect-ratio:16/9;
    background:#111827;
    border-radius:20px;
    position:relative;
    overflow:hidden;
    box-shadow:var(--shadow)
}
.video-card:before {
    content:'▶';
    position:absolute;
    inset:0;
    display:grid;
    place-items:center;
    color:white;
    font-size:54px;
    background:radial-gradient(circle,rgba(198,156,85,.7),rgba(15,23,42,.88))
}
.contact-box {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:26px
}
.contact-item {
    padding:18px;
    border:1px solid var(--line);
    border-radius:18px;
    background:#fff
}
.footer {
    background:#0b1224;
    color:#d1d5db;
    padding:38px 0
}
.footer-grid {
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr;
    gap:25px
}
.footer h3,.footer h4 {
    color:white
}
.subhero {
    background:linear-gradient(135deg,#111827,#2d2114);
    color:white;
    padding:64px 0
}
.subhero h1 {
    font-size:clamp(34px,5vw,58px);
    margin:0
}
.breadcrumb {
    color:#f5deb0;
    margin-top:8px
}
.table-wrap {
    overflow:auto
}
.pub-table {
    width:100%;
    border-collapse:collapse;
    background:white;
    border-radius:18px;
    overflow:hidden
}
.pub-table th,.pub-table td {
    padding:14px;
    border-bottom:1px solid var(--line);
    text-align:left
}
.pub-table th {
    background:#111827;
    color:white
}
.lightbox {
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.82);
    display:none;
    align-items:center;
    justify-content:center;
    z-index:100;
    padding:20px
}
.lightbox.active {
    display:flex
}
.lightbox-content {
    width:auto;
    height:auto;
    max-width:92vw;
    max-height:90vh;
    padding:0;
    border-radius:18px;
    background:transparent;
    position:relative;
    display:flex;
    align-items:center;
    justify-content:center;
}
.lightbox-content img {
    width:auto;
    height:auto;
    max-width:92vw;
    max-height:90vh;
    object-fit:contain;
    border-radius:18px;
    display:block;
}
.lightbox button {
    position:fixed;
    right:25px;
    top:25px;
    border:0;
    border-radius:50%;
    width:46px;
    height:46px;
    background:#fff;
    font-size:28px;
    cursor:pointer;
    z-index:9999;
}
@media(max-width:900px) {
    .menu {
        position:absolute;
        left:4%;
        right:4%;
        top:76px;
        display:none;
        flex-direction:column;
        align-items:flex-start;
        background:white;
        border:1px solid var(--line);
        border-radius:18px;
        padding:18px;
        box-shadow:var(--shadow)
    }
    .menu.open {
        display:flex
    }
    .menu-toggle {
        display:block
    }
    .hero-grid,.content-grid,.contact-box,.footer-grid {
        grid-template-columns:1fr
    }
    .hero-grid {
        padding:46px 0;
        min-height:auto
    }
    .cards,.gallery {
        grid-template-columns:1fr 1fr
    }
    .video-grid {
        grid-template-columns:1fr
    }
}
@media(max-width:560px) {
    .topbar .container {
        display:block
    }
    .cards,.gallery {
        grid-template-columns:1fr
    }
    .section {
        padding:56px 0
    }
    .hero h1 {
        font-size:38px
    }
    .hero-visual {
        height:250px
    }
    .btn {
        width:100%
    }
    .gallery a {
        height:190px
    }
}
.brand-mark {
    width:70px;
    height:70px;
    border-radius:14px;
    overflow:hidden;
    border:2px solid #c79a52;
    display:flex;
    align-items:center;
    justify-content:center;
    background:#fff;
}
.brand-mark img {
    width:100%;
    height:100%;
    object-fit:cover;
    display:block;
}
.hero-visual {
    width:100%;
    height:450px;
    border-radius:24px;
    overflow:hidden;
    position:relative;
    box-shadow:0 15px 40px rgba(0,0,0,0.25);
}
.hero-visual img {
    width:100%;
    height:100%;
    object-fit:cover;
    display:block;
}