:root {
    --navy: #0f1b3d;
    --navy-2: #16224a;
    --blue: #2f6bff;
    --blue-soft: #eaf0ff;
    --ink: #1a2233;
    --muted: #6b7480;
    --line: #e6e9ef;
    --bg: #f6f8fb;
    --white: #fff;
    --green: #15a05a;
    --danger: #d94545;
    --radius: 14px;
    --shadow: 0 10px 30px rgba(15, 27, 61, .08);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    margin: 0;
    font-family: 'Inter', system-ui, Arial, sans-serif;
    color: var(--ink);
    background: var(--white);
    line-height: 1.55;
    overflow: hidden; /* sayfa geneli sabit - scroll yok */
}
.container { width: min(1200px, 92%); margin: 0 auto; }

/* ---------------- Tek-sayfa sekmeli iskelet ---------------- */
.app-shell { display: flex; flex-direction: column; height: 100vh; height: 100dvh; }
.app-shell .site-header { position: static; flex: 0 0 auto; }
.panel-area { flex: 1 1 auto; overflow-y: auto; padding: 3rem 0; background: var(--bg); }
.app-shell .site-footer { flex: 0 0 auto; background: #fff; }

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: panelIn .28s ease both; }
@keyframes panelIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: none; }
}
a { color: inherit; text-decoration: none; }
.muted { color: var(--muted); }
.center { text-align: center; }
.center-block { display: block; text-align: center; }
h1, h2, h3, h4 { color: var(--navy); line-height: 1.2; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .8rem 1.3rem; border-radius: 10px; font-weight: 600;
    border: 1px solid transparent; cursor: pointer; font-size: .95rem;
    transition: transform .05s ease, background .2s ease, box-shadow .2s;
}
.btn:active { transform: translateY(1px); }
.btn-sm { padding: .5rem .9rem; font-size: .85rem; }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { background: var(--navy-2); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: #2257df; }
.btn-outline { background: #fff; color: var(--navy); border-color: var(--line); }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }
.btn-danger { background: #fff; color: var(--danger); border-color: #f3cccc; }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn.full, .full { width: 100%; justify-content: center; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 30; background: rgba(255,255,255,.92);
    backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { font-weight: 800; font-size: 1.4rem; color: var(--navy); letter-spacing: -.5px; }
.brand-o { color: var(--blue); }
.nav-links { display: flex; gap: 1.6rem; }
.nav-links a { color: #44506b; font-weight: 500; font-size: .95rem; }
.nav-links a:hover, .nav-links a.active { color: var(--blue); }

/* Hero */
.hero { background: linear-gradient(180deg, #fff 0%, var(--bg) 100%); padding: 4.5rem 0 5rem; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.pill { display: inline-block; background: var(--blue-soft); color: var(--blue);
    padding: .4rem .9rem; border-radius: 999px; font-size: .8rem; font-weight: 600; margin-bottom: 1.2rem; }
.hero h1 { font-size: 3rem; font-weight: 800; margin: 0 0 1rem; letter-spacing: -1px; }
.hero h1 .accent { color: var(--blue); }
.lead { color: #51596b; font-size: 1.1rem; max-width: 34rem; }
.hero-actions { display: flex; gap: 1rem; margin-top: 1.8rem; flex-wrap: wrap; }

/* Hero mock visuals */
.hero-visual { position: relative; min-height: 340px; }
.mock { background: #fff; border: 1px solid var(--line); border-radius: 16px;
    box-shadow: var(--shadow); padding: 1.1rem 1.2rem; }
.mock-dash { position: relative; }
.mock-head { font-weight: 800; color: var(--navy); font-size: .9rem; }
.mock-head.light { color: var(--blue); }
.mock-title { font-weight: 700; margin: .6rem 0 .8rem; color: var(--navy); }
.mock-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: .6rem; }
.stat { background: var(--bg); border-radius: 10px; padding: .6rem; }
.stat small { color: var(--muted); font-size: .65rem; display: block; }
.stat strong { color: var(--navy); font-size: 1rem; }
.mock-chart { margin-top: 1rem; height: 90px; border-radius: 10px;
    background: linear-gradient(180deg, #eaf0ff, #fff);
    background-image:
      linear-gradient(180deg, rgba(47,107,255,.18), rgba(47,107,255,0)),
      url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 90'><polyline fill='none' stroke='%232f6bff' stroke-width='3' points='0,70 50,55 90,62 130,35 170,45 210,20 260,30 300,12'/></svg>");
    background-size: cover, 100% 100%; background-repeat: no-repeat; }
.mock-menu { position: absolute; right: -10px; bottom: -24px; width: 56%; }
.menu-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .4rem; margin: .7rem 0; }
.menu-grid span { height: 34px; border-radius: 8px; background: var(--blue-soft); }
.menu-total { background: var(--navy); color: #fff; text-align: center; border-radius: 8px;
    padding: .4rem; font-size: .8rem; font-weight: 600; }

/* Detay panelleri (otel / restoran) */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.detail-text .card-icon { margin-bottom: 1rem; }
.detail-text h2 { font-size: 2.2rem; margin: 0 0 .6rem; }
.detail-text .lead { margin-bottom: 1.2rem; }
.detail-text .ticks { margin-bottom: 1.5rem; }

/* Detay paneli gorsel cercevesi */
.panel-foto { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
    background: var(--bg); min-height: 340px; }
.panel-foto img { width: 100%; height: 100%; min-height: 340px; object-fit: cover; display: block; }

/* Hero gorseli */
.hero-img { width: 100%; border-radius: 16px; box-shadow: var(--shadow); display: block;
    aspect-ratio: 16 / 10; object-fit: cover; }

/* Cozumlerimiz baslik */
.solutions-head { margin: 3.5rem 0 0; }
.solutions-head h2 { font-size: 2.1rem; margin-bottom: .3rem; }

/* Solutions */
.solutions { padding: 4.5rem 0; background: var(--bg); }
.solutions h2 { font-size: 2.1rem; margin-bottom: .3rem; }
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem; margin-top: 2rem; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    box-shadow: var(--shadow); overflow: hidden; display: grid;
    grid-template-columns: 1.1fr .9fr; align-items: stretch; }
.card-body { padding: 2rem; }
.card-foto { background: var(--bg); }
.card-foto img { width: 100%; height: 100%; min-height: 260px; object-fit: cover; display: block; }
.card-icon { width: 54px; height: 54px; border-radius: 14px; background: var(--blue-soft);
    display: grid; place-items: center; font-size: 1.5rem; margin-bottom: 1rem; }
.card h3 { font-size: 1.35rem; margin: 0 0 .5rem; }
.card p { color: #51596b; margin: 0 0 1rem; }
.ticks { list-style: none; padding: 0; margin: 0 0 1.2rem; }
.ticks li { padding: .35rem 0 .35rem 1.7rem; position: relative; color: #2c3550; }
.ticks li::before { content: "\2713"; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.more { color: var(--navy); font-weight: 700; }
.more:hover { color: var(--blue); }

/* Features */
.features { padding: 4.5rem 0; }
.features h2 { font-size: 2rem; margin-bottom: 2.5rem; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; }
.feature { padding: 1.6rem; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.f-icon { font-size: 1.6rem; margin-bottom: .6rem; }
.feature h4 { margin: 0 0 .4rem; }
.feature p { color: #51596b; margin: 0; font-size: .92rem; }

/* Fiyatlandirma */
.price-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem; margin-top: 2.5rem;
    max-width: 920px; margin-left: auto; margin-right: auto; }
.price-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 2rem; display: flex; flex-direction: column; }
.price-head { margin-bottom: 1.2rem; }
.price-head h3 { font-size: 1.4rem; margin: 0 0 .2rem; }
.price-head .muted { margin: 0; font-size: .9rem; }
.price-list { list-style: none; padding: 0; margin: 0 0 1rem; }
.price-list li { display: flex; align-items: baseline; justify-content: space-between;
    padding: .7rem 0; border-bottom: 1px solid var(--line); }
.price-list li span { color: #2c3550; }
.price-list li strong { color: var(--navy); font-size: 1.15rem; }
.price-list li strong small { color: var(--muted); font-weight: 600; font-size: .75rem; }
.price-note { background: var(--blue-soft); color: var(--blue); border-radius: 9px;
    padding: .6rem .9rem; font-size: .9rem; margin: 0 0 1.2rem; }
.price-contact { flex: 1; display: flex; flex-direction: column; justify-content: center;
    text-align: center; padding: 1.5rem 0; }
.price-big { font-size: 1.6rem; font-weight: 800; color: var(--navy); margin-bottom: .6rem; }
.price-card .btn { margin-top: auto; }

/* Demo */
.demo { padding: 4.5rem 0; background: var(--navy); color: #fff; }
.demo h2 { color: #fff; font-size: 2rem; }
.demo-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3rem; align-items: center; }
.demo-info .muted { color: #aeb8d4; }
.demo-form-wrap { background: #fff; border-radius: var(--radius); padding: 1.8rem; box-shadow: var(--shadow); }
.demo-form { display: grid; gap: 1rem; }
.demo-form label, .login-form label, .row-form label { display: grid; gap: .35rem;
    font-weight: 600; font-size: .85rem; color: var(--ink); }
.demo-form input, .demo-form select, .demo-form textarea,
.login-form input, .row-form input, .row-form select {
    padding: .7rem .8rem; border: 1px solid var(--line); border-radius: 9px;
    font: inherit; color: var(--ink); background: #fff; }
.demo-form input:focus, .demo-form select:focus, .demo-form textarea:focus,
.login-form input:focus { outline: 2px solid var(--blue-soft); border-color: var(--blue); }
.thanks { text-align: center; padding: 1rem .5rem; }
.thanks-icon { width: 56px; height: 56px; border-radius: 50%; background: #e7f6ee; color: var(--green);
    display: grid; place-items: center; font-size: 1.7rem; margin: 0 auto 1rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 1.6rem 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* ---------------- Admin login ---------------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; background: var(--bg); padding: 1.5rem; }
.login-card { width: min(400px, 100%); background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); padding: 2.2rem; box-shadow: var(--shadow); }
.login-card h1 { font-size: 1.5rem; text-align: center; margin: 1rem 0 .2rem; }
.login-form { display: grid; gap: 1rem; margin-top: 1.2rem; }
.alert { background: #fdecec; color: var(--danger); border: 1px solid #f3cccc;
    padding: .7rem .9rem; border-radius: 9px; font-size: .9rem; margin-top: 1rem; }
.back { margin-top: 1rem; font-size: .85rem; }

/* ---------------- Admin dashboard ---------------- */
.admin-top { background: var(--navy); color: #fff; }
.admin-top .brand { color: #fff; }
.admin-top .brand small { color: #aeb8d4; font-weight: 500; font-size: .8rem; }
.admin-top-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.admin-actions { display: flex; align-items: center; gap: 1rem; }
.admin-actions .muted { color: #c7cfe6; }
.admin-top .btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.3); }
.admin-main { padding: 2rem 0 4rem; }
.summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-bottom: 2rem; }
.sum-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.3rem 1.5rem; }
.sum-card small { color: var(--muted); display: block; }
.sum-card strong { font-size: 2rem; color: var(--navy); }
.sum-card.highlight { background: var(--blue); color: #fff; border-color: var(--blue); }
.sum-card.highlight small { color: #d7e2ff; }
.sum-card.highlight strong { color: #fff; }

.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 1.5rem; margin-bottom: 2rem; }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; flex-wrap: wrap; gap: .8rem; }
.panel-head h2 { font-size: 1.3rem; margin: 0; }
.filters { display: flex; gap: .5rem; }
.chip { padding: .35rem .9rem; border-radius: 999px; border: 1px solid var(--line);
    font-size: .85rem; color: #44506b; }
.chip.on { background: var(--navy); color: #fff; border-color: var(--navy); }

.add-box { border: 1px dashed var(--line); border-radius: 10px; padding: .8rem 1rem; margin-bottom: 1.2rem; }
.add-box summary { cursor: pointer; font-weight: 600; color: var(--blue); }

/* Musteri form gridi (ekle + duzenle) - flex-wrap kaosu yerine hizali grid */
.musteri-form { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: .8rem; align-items: end; }
.add-form { margin-top: .9rem; }
.musteri-form label { display: grid; gap: .3rem; font-size: .76rem; font-weight: 600;
    color: var(--ink); text-transform: none; letter-spacing: 0; }
.musteri-form input, .musteri-form select { padding: .5rem .6rem; border: 1px solid var(--line);
    border-radius: 8px; font: inherit; font-size: .85rem; color: var(--ink); background: #fff; width: 100%; }
.musteri-form input:focus, .musteri-form select:focus { outline: 2px solid var(--blue-soft); border-color: var(--blue); }
.musteri-form .form-aksiyon { grid-column: 1 / -1; display: flex; gap: .5rem; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .6rem .5rem; border-bottom: 1px solid var(--line); font-size: .88rem; vertical-align: middle; }
th { color: var(--muted); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; }

/* Musteri okuma tablosu */
.musteri-tablo th, .musteri-tablo td { white-space: nowrap; }
.musteri-tablo tbody tr.musteri-satir:hover { background: var(--bg); }
.musteri-tablo td.col-not { white-space: normal; max-width: 220px; color: #51596b; }
.islem-hucre { display: flex; gap: .4rem; align-items: center; }
.edit-satir > td { background: var(--bg); padding: 1rem; }

/* Lisans durumu rozeti */
.lisans { display: inline-block; padding: .2rem .55rem; border-radius: 999px;
    font-size: .75rem; font-weight: 600; text-transform: capitalize; }
.lisans-deneme { background: #fff5e6; color: #b5710d; }
.lisans-aktif { background: #e7f6ee; color: var(--green); }
.lisans-bitti { background: #fdecec; color: var(--danger); }

.del-form { margin: 0; }
.empty { text-align: center; color: var(--muted); padding: 1.5rem; }
.nowrap { white-space: nowrap; }
.status { padding: .35rem .6rem; border-radius: 8px; border: 1px solid var(--line); font-weight: 600; font: inherit; font-size: .82rem; }
.status-yeni { background: #fff5e6; color: #b5710d; }
.status-arandi { background: #eaf0ff; color: var(--blue); }
.status-kapandi { background: #e7f6ee; color: var(--green); }

/* Responsive */
@media (max-width: 900px) {
    .hero-grid, .cards, .demo-grid, .detail-grid, .price-grid { grid-template-columns: 1fr; }
    .card { grid-template-columns: 1fr; }
    .card-foto { order: -1; }
    .card-foto img { min-height: 200px; }
    .panel-area { padding: 1.5rem 0; }
    .feature-grid { grid-template-columns: 1fr 1fr; }
    .summary { grid-template-columns: 1fr; }
    .nav-links { display: none; }
    .hero h1 { font-size: 2.2rem; }
    .hero-visual { min-height: 280px; }
}
@media (max-width: 560px) {
    .feature-grid { grid-template-columns: 1fr; }
}