:root {
    --ink: #102027;
    --muted: #5a6a70;
    --line: #d7e4e6;
    --aqua: #0f8b8d;
    --green: #116149;
    --cream: #f7f4ec;
    --gold: #d8a94b;
    --white: #ffffff;
    --shadow: 0 24px 70px rgba(16, 32, 39, 0.18);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--ink);
    background: #fbfcfb;
    line-height: 1.55;
}

a { color: inherit; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 14px clamp(18px, 4vw, 56px);
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(14px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 8px;
    color: var(--white);
    background: linear-gradient(135deg, var(--green), var(--aqua));
    font-weight: 800;
}

.brand small, .muted { color: var(--muted); }
.main-nav { display: flex; gap: 18px; font-size: 14px; }
.main-nav a, .header-call, .text-link { text-decoration: none; font-weight: 700; }
.header-call { color: var(--green); }

.hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
    min-height: 720px;
    overflow: hidden;
    background:
        radial-gradient(circle at 12% 18%, rgba(216, 169, 75, 0.16), transparent 26%),
        linear-gradient(135deg, #f9fbf8 0%, #eef7f4 54%, #e8f2ef 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    align-self: center;
    padding: clamp(48px, 7vw, 102px) clamp(22px, 5vw, 76px);
}

.hero-content::before {
    content: "";
    display: block;
    width: 84px;
    height: 4px;
    margin-bottom: 22px;
    border-radius: 99px;
    background: linear-gradient(90deg, var(--gold), var(--aqua));
}

.hero-media {
    position: relative;
    min-height: 720px;
    overflow: hidden;
}

.hero-media::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(90deg, rgba(249,251,248,0.98) 0%, rgba(249,251,248,0.42) 32%, rgba(16,32,39,0.05) 100%);
}

.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.02);
}

.eyebrow {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--aqua);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 800px; font-size: clamp(44px, 6vw, 78px); line-height: 1.02; margin-bottom: 22px; }
h2 { font-size: clamp(28px, 4vw, 44px); line-height: 1.12; margin-bottom: 14px; }
h3 { font-size: 21px; line-height: 1.22; }
.hero p, .page-hero p { max-width: 620px; font-size: 20px; color: var(--muted); }

.hero-actions, .admin-actions, .footer-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 18px;
    border: 1px solid var(--green);
    border-radius: 8px;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

.btn.primary {
    background: linear-gradient(135deg, var(--green), #0b7f78);
    color: var(--white);
    box-shadow: 0 14px 30px rgba(17, 97, 73, 0.22);
}
.btn.ghost { background: var(--white); color: var(--green); }

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    max-width: 620px;
    margin-top: 34px;
}

.hero-metrics div {
    padding: 17px 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 12px 32px rgba(16, 32, 39, 0.08);
}

.hero-metrics strong {
    display: block;
    font-size: 22px;
    line-height: 1;
}

.hero-metrics span {
    color: var(--muted);
    font-weight: 700;
}

.hero-quote {
    position: absolute;
    right: clamp(18px, 4vw, 56px);
    bottom: 44px;
    z-index: 2;
    display: grid;
    gap: 4px;
    min-width: 240px;
    padding: 18px 20px;
    border: 1px solid rgba(255,255,255,0.62);
    border-radius: 8px;
    color: var(--white);
    background: rgba(16, 32, 39, 0.78);
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
}

.hero-quote strong { font-size: 15px; color: #dcefed; }
.hero-quote span { font-size: 25px; font-weight: 900; }

.area-list span {
    padding: 9px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.75);
    font-weight: 700;
}

.conversion-band {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 22px clamp(22px, 5vw, 72px);
    color: var(--white);
    background: linear-gradient(90deg, var(--ink), #143c3a);
}

.conversion-band span { display: block; color: #d8e8e8; }
.conversion-band a { font-size: 24px; font-weight: 900; text-decoration: none; }

.corporate-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--line);
    border-bottom: 1px solid var(--line);
}

.corporate-strip div {
    padding: 24px clamp(18px, 4vw, 42px);
    background: var(--white);
}

.corporate-strip strong {
    display: block;
    margin-bottom: 4px;
    color: var(--green);
}

.corporate-strip span { color: var(--muted); }

.section {
    padding: clamp(54px, 7vw, 96px) clamp(22px, 5vw, 72px);
}

.section-head {
    max-width: 720px;
    margin-bottom: 26px;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.service-card, .steps > div, .reviews figure, .quote-box, .content-block, .admin-panel {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: 0 8px 30px rgba(16, 32, 39, 0.06);
}

.service-card {
    padding: 0 0 22px;
    overflow: hidden;
}
.service-card > span,
.service-card > h3,
.service-card > p,
.service-card > .text-link {
    display: block;
    margin-left: 22px;
    margin-right: 22px;
}
.service-card h3:first-child {
    margin-top: 22px;
}
.service-card-image {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    margin-bottom: 18px;
}
.service-card span { color: var(--aqua); font-weight: 800; }
.service-card a { text-decoration: none; }
.service-card p, .steps p, .reviews blockquote, .quote-box p, .content-block p { color: var(--muted); }
.compact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.service-detail-image {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 8px;
    margin: 8px 0 22px;
    box-shadow: 0 16px 44px rgba(16, 32, 39, 0.12);
}

.split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
    gap: 28px;
    align-items: start;
}

.area-list { display: flex; flex-wrap: wrap; gap: 10px; }
.process { background: #edf6f5; }
.steps, .reviews {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.steps > div, .reviews figure, .quote-box, .content-block { padding: 24px; }
.steps strong {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    margin-bottom: 14px;
    border-radius: 50%;
    background: var(--aqua);
    color: var(--white);
}

.reviews figure { margin: 0; }
.reviews figcaption { font-weight: 800; }

.page-hero {
    padding: clamp(60px, 8vw, 110px) clamp(22px, 5vw, 72px);
    color: var(--white);
    background: linear-gradient(90deg, rgba(17,97,73,0.94), rgba(15,139,141,0.78)), url('../img/koltuk-yikama-hero.png') center/cover;
}

.page-hero p { color: #e4f4f2; }
.quote-box ul { padding-left: 20px; }
.check-list {
    display: grid;
    gap: 10px;
    padding: 0;
    margin: 18px 0;
    list-style: none;
}
.check-list li {
    padding: 11px 12px;
    border-left: 4px solid var(--aqua);
    border-radius: 8px;
    background: #eef8f7;
    font-weight: 700;
}
.faq-section { background: #f5faf9; }
.faq-list {
    display: grid;
    gap: 12px;
    max-width: 900px;
}
.faq-list details {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    padding: 16px 18px;
}
.faq-list summary {
    cursor: pointer;
    font-weight: 900;
}
.faq-list p {
    margin: 12px 0 0;
    color: var(--muted);
}

.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding: 32px clamp(22px, 5vw, 72px) 86px;
    color: var(--white);
    background: var(--ink);
}

.footer-actions a { color: var(--white); font-weight: 800; }

.sticky-call {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 30;
    padding: 13px 18px;
    border-radius: 8px;
    color: var(--white);
    background: var(--green);
    box-shadow: var(--shadow);
    font-weight: 900;
    text-decoration: none;
}

.admin-body { background: #eef5f4; }
.admin-shell { min-height: 100vh; display: grid; place-items: center; padding: 22px; }
.admin-panel { width: min(1040px, 100%); padding: 24px; }
.admin-head { display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.login-form, .editor-form { display: grid; gap: 16px; }
label { display: grid; gap: 8px; font-weight: 800; }
input, textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px;
    font: inherit;
}
textarea { min-height: 58vh; font-family: Consolas, Monaco, monospace; font-size: 14px; }
.alert, .success { padding: 12px; border-radius: 8px; font-weight: 800; }
.alert { background: #ffe8e4; color: #93220f; }
.success { background: #e5f7ed; color: #116149; }

@media (max-width: 880px) {
    .site-header { align-items: flex-start; flex-direction: column; }
    .main-nav { width: 100%; overflow-x: auto; padding-bottom: 4px; }
    .hero { grid-template-columns: 1fr; min-height: 0; }
    .hero-media { min-height: 360px; }
    .hero-media::before { background: linear-gradient(0deg, rgba(16,32,39,0.2), transparent); }
    .hero-metrics, .corporate-strip { grid-template-columns: 1fr; }
    .service-grid, .steps, .reviews, .split, .compact { grid-template-columns: 1fr; }
    .conversion-band, .site-footer { flex-direction: column; align-items: flex-start; }
    h1 { font-size: 40px; }
    .sticky-call { left: 14px; right: 14px; text-align: center; }
}