:root {
    --bg: #0c0f0d;
    --panel: #151a16;
    --panel-light: #1d241f;
    --text: #f4f5f4;
    --muted: #aeb8b0;
    --accent: #86d13f;
    --accent-dark: #5f9e28;
    --border: rgba(255,255,255,.10);
    --danger: #ff6b6b;
    --success: #8ce27c;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(12px);
    background: rgba(12,15,13,.88);
    border-bottom: 1px solid var(--border);
}
.header-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
    width: 44px; height: 44px; display: grid; place-items: center;
    border-radius: 50%;
    background: var(--accent);
    color: #0a0d0b;
    font-weight: 900;
}
.brand strong, .brand small { display: block; }
.brand small { color: var(--muted); }
nav { display: flex; gap: 24px; color: var(--muted); }
nav a:hover { color: var(--text); }

.hero { padding: 86px 0 72px; background: radial-gradient(circle at 75% 30%, rgba(134,209,63,.13), transparent 34%); }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.eyebrow {
    color: var(--accent);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .16em;
    font-weight: 800;
}
h1 { font-size: clamp(42px, 7vw, 78px); line-height: .98; margin: 14px 0 22px; max-width: 760px; }
.hero p { color: var(--muted); font-size: 19px; max-width: 620px; }
.button {
    border: 0;
    border-radius: 10px;
    padding: 14px 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    cursor: pointer;
}
.primary { background: var(--accent); color: #0a0d0b; }
.primary:hover { background: #9be653; }
.full { width: 100%; }

.hero-card {
    padding: 28px;
    background: linear-gradient(145deg, #171d19, #0e110f);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: 0 30px 70px rgba(0,0,0,.4);
}
.hero-tray {
    aspect-ratio: 1.45;
    border-radius: 28px;
    padding: 28px;
    position: relative;
    background: linear-gradient(135deg, #9d673f, #6f432b);
    border: 10px solid #4a2c1c;
}
.hero-pocket {
    position: absolute; left: 8%; top: 12%; bottom: 12%; width: 58%;
    border-radius: 22px; border: 5px solid #4a2c1c;
}
.hero-circle {
    position: absolute; right: 12%; top: 16%; width: 17%; aspect-ratio: 1;
    border-radius: 50%; border: 5px solid #4a2c1c;
}
.hero-slot {
    position: absolute; right: 9%; bottom: 18%; width: 24%; height: 16%;
    border-radius: 14px; border: 5px solid #4a2c1c;
}

.designer-section { padding: 80px 0; }
.section-heading { margin-bottom: 26px; }
.section-heading h2 { font-size: 44px; margin: 8px 0 0; }
.designer-grid { display: grid; grid-template-columns: 360px minmax(0, 1fr); gap: 24px; align-items: start; }
.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 24px;
    box-shadow: 0 24px 60px rgba(0,0,0,.28);
}
.field { margin-bottom: 22px; }
.field label, fieldset legend { display: block; font-weight: 800; margin-bottom: 8px; }
.field label { display: flex; justify-content: space-between; gap: 12px; }
input[type="range"] { width: 100%; accent-color: var(--accent); }
select, input[type="text"] {
    width: 100%;
    background: #0f1310;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 9px;
    padding: 12px;
}
fieldset { border: 0; padding: 0; margin: 0 0 22px; }
.check { display: block; margin: 10px 0; color: var(--muted); }
.check input { margin-right: 9px; accent-color: var(--accent); }
.price-row {
    border-top: 1px solid var(--border);
    margin: 24px 0 18px;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.price-row strong { font-size: 28px; color: var(--accent); }
.preview-heading { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.preview-heading h3 { margin: 0; font-size: 25px; }
.preview-heading span { color: var(--muted); }
#preview {
    display: block;
    width: 100%;
    min-height: 430px;
    background: #ece8df;
    border-radius: 13px;
}
.note { color: var(--muted); font-size: 13px; margin-bottom: 0; }
#message { margin-top: 14px; }
.message { border-radius: 9px; padding: 12px; }
.message.success { background: rgba(140,226,124,.12); color: var(--success); }
.message.error { background: rgba(255,107,107,.12); color: var(--danger); }

.info-section { padding: 30px 0 90px; }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.info-grid article {
    background: var(--panel-light);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
}
.info-grid article > span { color: var(--accent); font-weight: 900; }
.info-grid h3 { margin: 12px 0 8px; }
.info-grid p { color: var(--muted); margin: 0; }

.site-footer { border-top: 1px solid var(--border); padding: 42px 0; color: var(--muted); }

@media (max-width: 860px) {
    nav { display: none; }
    .hero-grid, .designer-grid { grid-template-columns: 1fr; }
    .hero { padding-top: 56px; }
    .info-grid { grid-template-columns: 1fr; }
    #preview { min-height: 300px; }
}