:root {
    --color-bg: #0b0b0c;
    --color-surface: #15161a;
    --color-surface-2: #1d1f24;
    --color-surface-3: #252830;
    --color-text: #f3f4f6;
    --color-muted: #9aa0aa;
    --color-dim: #6b7280;
    --color-accent: #ff5722;
    --color-accent-hover: #ff7043;
    --color-accent-soft: rgba(255, 87, 34, 0.12);
    --color-success: #34d399;
    --color-border: #2a2d34;
    --color-border-hover: #3a3e48;
    --radius: 14px;
    --radius-sm: 10px;
    --radius-lg: 20px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background: radial-gradient(ellipse at top, #1a1c20, var(--color-bg) 70%);
    color: var(--color-text);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-accent);
    text-decoration: none;
}
a:hover { text-decoration: underline; }

.container {
    width: 100%;
    max-width: 980px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    padding: 18px 0;
    border-bottom: 1px solid var(--color-border);
    background: rgba(10, 10, 11, 0.85);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-row { display: flex; justify-content: space-between; align-items: center; }

.logo {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--color-text);
    text-decoration: none;
}
.logo-sub { color: var(--color-muted); font-weight: 400; font-size: 0.95em; }

/* Intro */
.intro {
    text-align: center;
    padding: 64px 16px 48px;
}
.intro h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin: 0 0 16px;
    line-height: 1.1;
    letter-spacing: -0.01em;
}
.lead {
    font-size: 1.15rem;
    color: var(--color-muted);
    max-width: 540px;
    margin: 0 auto 32px;
}
.intro-meta {
    color: var(--color-dim);
    font-size: 0.85rem;
    margin: 24px 0 0;
}

/* Quiz */
.quiz {
    margin: 32px auto 64px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    max-width: 760px;
}

.quiz-progress {
    display: flex;
    gap: 6px;
    margin-bottom: 28px;
}
.quiz-progress-step {
    flex: 1;
    height: 4px;
    background: var(--color-surface-2);
    border-radius: 2px;
    transition: background 0.25s;
}
.quiz-progress-step.done { background: var(--color-accent); }
.quiz-progress-step.active { background: var(--color-accent-hover); }

.quiz-step-label {
    color: var(--color-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 0 0 8px;
}
.quiz-question {
    font-size: 1.55rem;
    margin: 0 0 8px;
    line-height: 1.2;
}
.quiz-subtitle {
    color: var(--color-muted);
    margin: 0 0 24px;
    font-size: 1rem;
}

.quiz-options {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    margin-bottom: 28px;
}
.quiz-option {
    padding: 18px 18px;
    background: var(--color-surface-2);
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    text-align: left;
    cursor: pointer;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.15s, background 0.15s, transform 0.05s;
    display: flex;
    gap: 14px;
    align-items: flex-start;
}
.quiz-option:hover {
    border-color: var(--color-border-hover);
    background: var(--color-surface-3);
}
.quiz-option.selected {
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
}
.quiz-option:active { transform: translateY(1px); }
.quiz-option-icon {
    font-size: 1.6rem;
    line-height: 1;
    flex-shrink: 0;
}
.quiz-option-body { display: flex; flex-direction: column; gap: 2px; }
.quiz-option-title {
    display: block;
    font-weight: 600;
    font-size: 1.02rem;
}
.quiz-option-desc {
    display: block;
    color: var(--color-muted);
    font-size: 0.88rem;
    line-height: 1.35;
}

/* Fit step (height + budget) */
.fit-section {
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 22px;
    margin-bottom: 18px;
}
.fit-label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 14px;
}
.fit-label-text {
    font-weight: 600;
    font-size: 1.05rem;
}
.fit-value {
    color: var(--color-accent);
    font-weight: 700;
    font-size: 1.4rem;
    font-variant-numeric: tabular-nums;
}
.fit-slider {
    width: 100%;
    -webkit-appearance: none;
    height: 6px;
    background: var(--color-surface-3);
    border-radius: 3px;
    outline: none;
}
.fit-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    background: var(--color-accent);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid var(--color-surface);
    box-shadow: 0 2px 6px rgba(0,0,0,0.4);
}
.fit-slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    background: var(--color-accent);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid var(--color-surface);
}
.budget-tiers {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}
.budget-tier {
    padding: 12px 14px;
    background: var(--color-surface-3);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    cursor: pointer;
    font: inherit;
    text-align: center;
    transition: border-color 0.15s, background 0.15s;
}
.budget-tier:hover { border-color: var(--color-border-hover); }
.budget-tier.selected {
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
}

/* Quiz nav */
.quiz-nav {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 8px;
}
.quiz-nav .spacer { flex: 1; }

/* Buttons */
.btn {
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-lg { padding: 16px 32px; font-size: 1.1rem; }
.btn-primary {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}
.btn-primary:hover:not(:disabled) {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
}
.btn-primary:disabled {
    background: #4a3026;
    border-color: #4a3026;
    color: #b8b8b8;
    cursor: not-allowed;
}
.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}
.btn-secondary:hover {
    border-color: var(--color-border-hover);
    background: var(--color-surface-2);
}
.btn-ghost {
    background: transparent;
    color: var(--color-muted);
    border-color: transparent;
    padding: 12px 14px;
}
.btn-ghost:hover { color: var(--color-text); }

/* Results */
.results { margin: 48px auto 64px; max-width: 980px; }
.results-header { text-align: center; margin-bottom: 32px; }
.results-header h2 {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    margin: 0 0 8px;
}
.results-meta { color: var(--color-muted); margin: 0; font-size: 1rem; }

/* ——— Hero (#1 pick) ——— */
.hero-card {
    background: var(--color-surface);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr;
    margin-bottom: 36px;
    box-shadow: 0 16px 50px rgba(255, 87, 34, 0.16);
}
@media (min-width: 720px) {
    .hero-card { grid-template-columns: 1.1fr 1fr; }
}
.hero-image {
    position: relative;
    background: #fff;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}
@media (min-width: 720px) {
    .hero-image { aspect-ratio: auto; }
}
.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}
.bike-rank-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--color-accent);
    color: #fff;
    padding: 5px 12px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.hero-body {
    padding: 26px 28px 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    align-self: center;
}
.hero-tags, .bike-meta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.bike-tag {
    background: var(--color-surface-3);
    color: var(--color-muted);
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.76rem;
}
.hero-name {
    margin: 0;
    font-size: clamp(1.3rem, 3.5vw, 1.7rem);
    line-height: 1.25;
}
.hero-price-row { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.hero-price {
    font-weight: 800;
    font-size: 1.7rem;
    color: var(--color-accent);
}
.bike-price-meta { color: var(--color-muted); font-size: 0.88rem; }

.bike-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.bike-chip {
    background: var(--color-accent-soft);
    color: var(--color-accent-hover);
    border: 1px solid rgba(255, 87, 34, 0.35);
    padding: 4px 11px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}
.hero-reason {
    color: #c9cbd1;
    font-size: 0.97rem;
    line-height: 1.55;
    margin: 0;
}
.hero-reason strong { color: var(--color-text); }
.bike-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 2px; }

/* ——— Comparison table ——— */
.compare-title {
    font-size: 1.25rem;
    margin: 0 0 4px;
    text-align: center;
}
.compare-hint {
    text-align: center;
    color: var(--color-muted);
    font-size: 0.85rem;
    margin: 0 0 18px;
}
.compare-scroll {
    overflow-x: auto;
    margin-bottom: 32px;
    -webkit-overflow-scrolling: touch;
}
.compare-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 480px;
}
.compare-table th, .compare-table td {
    padding: 12px 14px;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
    vertical-align: middle;
}
.cmp-corner, .cmp-row-label {
    text-align: left;
    color: var(--color-muted);
    font-weight: 600;
    white-space: nowrap;
}
.cmp-head {
    background: var(--color-surface);
    border-bottom: 2px solid var(--color-border);
    vertical-align: top;
    min-width: 130px;
}
.cmp-head.is-hero { border-bottom-color: var(--color-accent); }
.cmp-thumb {
    width: 84px;
    height: 64px;
    margin: 0 auto 8px;
    background: #fff;
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.cmp-thumb img { width: 100%; height: 100%; object-fit: contain; display: block; }
.cmp-head-name { font-size: 0.92rem; font-weight: 700; line-height: 1.25; }
.cmp-head-tag {
    margin-top: 6px;
    display: inline-block;
    background: var(--color-accent-soft);
    color: var(--color-accent-hover);
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
}
.compare-table td { color: var(--color-text); }
.cmp-win {
    background: var(--color-accent-soft);
    color: var(--color-accent-hover);
    font-weight: 700;
}
.cmp-cta-row td { border-bottom: none; padding-top: 16px; }
.cmp-cta-row .btn { padding: 8px 16px; font-size: 0.88rem; }

.results-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* No results */
.no-results {
    text-align: center;
    padding: 48px 16px;
    background: var(--color-surface);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius);
}
.no-results h3 { margin: 0 0 12px; font-size: 1.3rem; }
.no-results p { color: var(--color-muted); margin: 0 0 20px; }

/* Loading */
.loading {
    text-align: center;
    padding: 80px 16px;
    color: var(--color-muted);
}

/* Footer */
.site-footer {
    margin-top: auto;
    padding: 28px 0;
    border-top: 1px solid var(--color-border);
    color: var(--color-muted);
    font-size: 0.88rem;
    text-align: center;
}

@media (max-width: 600px) {
    .quiz { padding: 22px 18px; border-radius: var(--radius); }
    .quiz-options { grid-template-columns: 1fr; }
    .intro { padding: 36px 12px 28px; }
}