/* === TOKENS === */
:root {
  --bg: #FAF7F2;
  --bg-card: #EFE6D8;
  --bg-card2: #E8DCC8;
  --bg-dark: #F2EADC;
  --accent: #B5583A;
  --accent-dim: #96442A;
  --accent-glow: rgba(181,88,58,0.15);
  --blue: #3E6E88;
  --blue-dim: #2E5670;
  --blue-glow: rgba(168,197,214,0.3);
  --border: #E3D6BE;
  --border-bright: #D3BD95;
  --text: #3A2E22;
  --text-muted: #7A6A56;
  --text-dim: #A89A82;
  --mono: var(--sans);
  --sans: 'Inter', system-ui, sans-serif;
  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(120,90,60,0.14);
  --shadow-card: 0 2px 16px rgba(120,90,60,0.10);
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: var(--sans); line-height: 1.6; min-height: 100vh; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
ul { list-style: none; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 700; }

/* === LAYOUT === */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-dark { background: var(--bg-dark); }
.section-cta { background: linear-gradient(135deg, #F3E4D3 0%, var(--bg) 60%); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.center { text-align: center; }
.mt-sm { margin-top: 16px !important; }
.mt-lg { margin-top: 40px; }
.muted { color: var(--text-muted); font-size: 0.9em; }
.mono { font-family: var(--mono); }

/* === NAV === */
.nav { position: sticky; top: 0; z-index: 100; background: rgba(250,247,242,0.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.nav-inner { max-width: 1160px; margin: 0 auto; padding: 0 24px; height: 64px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-family: var(--serif); font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; }
.logo-icon { font-size: 1.3rem; }
.logo-text { letter-spacing: -0.02em; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-link { color: var(--text-muted); font-weight: 500; padding: 8px 14px; border-radius: var(--radius-sm); transition: all 0.15s; text-decoration: none; font-size: 0.92rem; }
.nav-link:hover, .nav-link.active { color: var(--text); background: var(--bg-card); text-decoration: none; }
.btn-nav-cta { background: var(--accent); color: #FFFFFF; padding: 8px 18px; border-radius: var(--radius-sm); font-weight: 700; font-size: 0.88rem; letter-spacing: 0.01em; transition: all 0.15s; text-decoration: none; }
.btn-nav-cta:hover { background: var(--accent-dim); color: #FFFFFF; text-decoration: none; }

/* === BUTTONS === */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 24px; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.95rem; transition: all 0.15s; cursor: pointer; border: none; text-decoration: none; gap: 8px; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #FFFFFF; }
.btn-primary:hover { background: var(--accent-dim); }
.btn-secondary { background: var(--bg-card); color: var(--text); border: 1px solid var(--border-bright); }
.btn-secondary:hover { background: var(--bg-card2); }
.btn-outline { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn-outline:hover { background: var(--accent-glow); }
.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-sm { padding: 8px 14px; font-size: 0.85rem; }
.btn-submit { width: 100%; margin-top: 8px; padding: 18px; font-size: 1.1rem; }

/* === HERO === */
.hero { position: relative; overflow: hidden; padding: 120px 0 100px; }
.hero-bg { position: absolute; inset: 0; background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(181,88,58,0.08) 0%, transparent 70%); pointer-events: none; }
.hero-content { position: relative; text-align: center; }
.hero-badge { display: inline-block; background: var(--accent-glow); border: 1px solid rgba(181,88,58,0.3); color: var(--accent); padding: 6px 16px; border-radius: 100px; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 32px; }
.hero-title { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 800; letter-spacing: -0.04em; line-height: 1.1; margin-bottom: 24px; }
.gradient-text { background: linear-gradient(90deg, var(--accent) 0%, var(--blue) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-sub { font-size: 1.15rem; color: var(--text-muted); max-width: 640px; margin: 0 auto 40px; line-height: 1.7; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 60px; }
.hero-stats { display: flex; align-items: center; justify-content: center; gap: 0; flex-wrap: wrap; }
.stat { padding: 0 40px; text-align: center; }
.stat-num { display: block; font-size: 2rem; font-weight: 800; color: var(--accent); letter-spacing: -0.03em; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-div { width: 1px; height: 40px; background: var(--border); }

/* === SECTION TITLES === */
.section-title { font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 12px; }
.section-sub { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 48px; max-width: 600px; }

/* === PAGE HEADER === */
.page-header { background: var(--bg-dark); border-bottom: 1px solid var(--border); padding: 60px 0 48px; }
.page-header h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; letter-spacing: -0.04em; margin-bottom: 12px; }
.page-header-sub { color: var(--text-muted); font-size: 1.05rem; max-width: 640px; }

/* === PATH CARDS (home) === */
.path-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; transition: border-color 0.2s; }
.path-card:hover { border-color: var(--accent); }
.path-card-blue:hover { border-color: var(--blue); }
.path-icon { font-size: 2rem; margin-bottom: 20px; }
.path-card h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 12px; }
.path-card p { color: var(--text-muted); line-height: 1.7; margin-bottom: 20px; }
.path-result { background: rgba(181,88,58,0.07); border: 1px solid rgba(181,88,58,0.2); border-radius: var(--radius-sm); padding: 16px; font-size: 0.92rem; margin-bottom: 20px; }
.path-card-blue .path-result { background: var(--blue-glow); border-color: rgba(168,197,214,0.2); }

/* === PRODUCT GRID === */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.product-card { display: block; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: all 0.2s; text-decoration: none; color: var(--text); }
.product-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); text-decoration: none; color: var(--text); }
.product-card-header { margin-bottom: 12px; }
.product-badge { display: inline-block; background: var(--bg-card2); border: 1px solid var(--border); color: var(--text-muted); font-size: 0.75rem; font-weight: 600; padding: 3px 10px; border-radius: 100px; letter-spacing: 0.05em; text-transform: uppercase; }
.product-card-name { font-size: 1.15rem; font-weight: 700; margin-bottom: 6px; letter-spacing: -0.02em; }
.product-card-tag { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 16px; }
.product-card-specs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.spec-pill { background: var(--bg-card2); border: 1px solid var(--border); border-radius: 100px; padding: 4px 12px; font-size: 0.8rem; font-family: var(--mono); color: var(--text-muted); }
.product-card-price { font-size: 1.25rem; font-weight: 800; color: var(--accent); margin-bottom: 12px; letter-spacing: -0.02em; }
.product-card-cta { color: var(--accent); font-size: 0.88rem; font-weight: 600; }

/* === MODEL TEASER GRID === */
.model-teaser-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.model-teaser { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.model-teaser-top { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.model-maker { color: var(--text-muted); font-size: 0.82rem; font-weight: 600; }
.license-badge { display: inline-block; background: rgba(168,197,214,0.1); border: 1px solid rgba(168,197,214,0.3); color: var(--blue); font-size: 0.75rem; font-weight: 600; padding: 2px 8px; border-radius: 100px; }
.license-badge-lg { padding: 4px 12px; font-size: 0.82rem; }
.model-name { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 12px; }
.memory-calc { background: var(--bg-dark); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 14px; margin-bottom: 12px; font-size: 0.85rem; }
.model-desc-short { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 16px; }
.link-arrow { color: var(--accent); font-size: 0.9rem; font-weight: 600; }

/* === POWER GRID === */
.power-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.power-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.power-card-warn { border-color: rgba(201,138,43,0.3); }
.power-card-extreme { border-color: rgba(178,59,59,0.3); }
.power-icon { font-size: 1.8rem; margin-bottom: 12px; }
.power-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.power-num { font-size: 2rem; font-weight: 800; color: var(--accent); font-family: var(--mono); margin-bottom: 12px; letter-spacing: -0.03em; }
.power-card-warn .power-num { color: #C98A2B; }
.power-card-extreme .power-num { color: #B23B3B; }
.power-explain { color: var(--text-muted); font-size: 0.88rem; line-height: 1.6; margin-bottom: 12px; }
.power-ev { background: var(--bg-dark); border-radius: var(--radius-sm); padding: 8px 12px; font-size: 0.82rem; color: var(--text-muted); }

/* === CLUSTER EXPLAINER === */
.cluster-explainer { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; }
.cluster-def { background: var(--bg-dark); border-left: 3px solid var(--accent); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 16px 20px; margin-bottom: 32px; font-size: 1.0rem; line-height: 1.7; }
.cluster-compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px; }
.cluster-type { border-radius: var(--radius-sm); padding: 24px; }
.cluster-type-real { background: rgba(181,88,58,0.06); border: 1px solid rgba(181,88,58,0.2); }
.cluster-type-naive { background: rgba(201,138,43,0.05); border: 1px solid rgba(201,138,43,0.2); }
.cluster-type-badge { display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; padding: 4px 10px; border-radius: 100px; margin-bottom: 10px; }
.cluster-type-real .cluster-type-badge { background: rgba(181,88,58,0.15); color: var(--accent); }
.cluster-type-naive .cluster-type-badge { background: rgba(201,138,43,0.15); color: #C98A2B; }
.cluster-type h4 { margin-bottom: 12px; font-size: 1rem; }
.cluster-type ul { padding-left: 0; }
.cluster-type ul li { color: var(--text-muted); font-size: 0.9rem; padding: 6px 0; border-bottom: 1px solid var(--border); }
.cluster-type ul li:last-child { border-bottom: none; }
.cluster-example { background: var(--bg-dark); border-radius: var(--radius-sm); padding: 16px 20px; font-size: 0.92rem; line-height: 1.7; }

/* === PRODUCT DETAIL === */
.product-detail { padding: 60px 0; }
.product-detail-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; margin-bottom: 40px; }
.product-detail-name { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; letter-spacing: -0.04em; margin: 12px 0 8px; }
.product-detail-tag { color: var(--text-muted); font-size: 1.05rem; }
.product-detail-price { text-align: right; flex-shrink: 0; }
.price-main { font-size: 2rem; font-weight: 800; color: var(--accent); letter-spacing: -0.03em; }
.price-note { color: var(--text-muted); font-size: 0.82rem; }
.product-divider { border: none; border-top: 1px solid var(--border); margin: 0; }

/* === SPECS GRID === */
.specs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 32px; }
.spec-block { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.spec-block-full { grid-column: 1 / -1; }
.spec-num { font-size: 1.5rem; font-weight: 800; color: var(--accent); font-family: var(--mono); letter-spacing: -0.03em; margin-bottom: 4px; }
.spec-unit { color: var(--text-muted); font-size: 0.82rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 12px; }
.spec-explain { color: var(--text-muted); font-size: 0.88rem; line-height: 1.65; }

/* === POWER PANEL === */
.power-panel { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 32px; }
.power-panel-title { font-size: 0.95rem; font-weight: 700; margin-bottom: 16px; }
.power-items { display: flex; flex-direction: column; gap: 10px; }
.power-item { display: flex; align-items: flex-start; gap: 12px; font-size: 0.92rem; color: var(--text-muted); }
.power-item-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.power-item strong { color: var(--text); }
.power-item-warn { color: #C98A2B; }

/* === SUITABLE GRID === */
.suitable-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px; }
.suitable-col { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.suitable-yes { border-color: rgba(181,88,58,0.2); }
.suitable-no { border-color: rgba(178,59,59,0.2); }
.suitable-col h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 12px; }
.suitable-col ul li { color: var(--text-muted); font-size: 0.88rem; padding: 5px 0; border-bottom: 1px solid var(--border); }
.suitable-col ul li:last-child { border-bottom: none; }
.form-factor-note { background: var(--bg-dark); border-radius: var(--radius-sm); padding: 12px 16px; font-size: 0.9rem; color: var(--text-muted); margin-bottom: 24px; }
.product-detail-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* === MODEL DETAIL === */
.formula-explainer { background: var(--bg-card); border: 1px solid var(--border-bright); border-radius: var(--radius); padding: 36px; margin-top: 48px; }
.formula-explainer h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 20px; }
.formula-display { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; background: var(--bg-dark); border-radius: var(--radius-sm); padding: 20px 24px; margin-bottom: 24px; }
.formula-part { background: var(--bg-card2); border: 1px solid var(--border-bright); border-radius: var(--radius-sm); padding: 8px 16px; font-family: var(--mono); font-size: 0.9rem; color: var(--text); }
.formula-op { color: var(--accent); font-weight: 700; font-size: 1.2rem; font-family: var(--mono); }
.formula-result { background: rgba(181,88,58,0.1); border: 1px solid rgba(181,88,58,0.3); border-radius: var(--radius-sm); padding: 8px 16px; font-family: var(--mono); font-size: 0.9rem; color: var(--accent); font-weight: 700; }
.formula-notes p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; margin-bottom: 8px; }
.model-detail { padding: 60px 0; }
.model-detail-header { margin-bottom: 32px; }
.model-meta-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.model-maker-badge { color: var(--text-muted); font-size: 0.85rem; font-weight: 600; }
.arena-badge { background: rgba(181,88,58,0.08); border: 1px solid rgba(181,88,58,0.25); color: var(--accent); font-size: 0.75rem; font-weight: 600; padding: 3px 10px; border-radius: 100px; }
.model-detail-name { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; letter-spacing: -0.04em; margin-bottom: 12px; }
.model-detail-desc { color: var(--text-muted); font-size: 1.0rem; line-height: 1.7; max-width: 700px; }

/* === MEMORY MATH === */
.memory-math-panel { background: var(--bg-card); border: 1px solid var(--border-bright); border-radius: var(--radius); padding: 32px; margin-bottom: 32px; }
.memory-math-panel h4 { font-size: 1rem; font-weight: 700; margin-bottom: 24px; }
.memory-steps { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.memory-step { flex: 1; min-width: 150px; background: var(--bg-dark); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 16px; }
.memory-step-result { background: rgba(181,88,58,0.06); border-color: rgba(181,88,58,0.3); }
.memory-step-op { color: var(--accent); font-size: 1.5rem; font-weight: 700; font-family: var(--mono); flex-shrink: 0; }
.step-label { font-size: 0.78rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 6px; }
.step-value { font-family: var(--mono); font-size: 1.0rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.result-value { color: var(--accent); font-size: 1.2rem; }
.step-explain { font-size: 0.8rem; color: var(--text-dim); line-height: 1.55; }
.memory-summary-bar { background: var(--bg-dark); border-radius: var(--radius-sm); padding: 12px 16px; font-size: 0.92rem; color: var(--text-muted); }
.memory-summary-bar strong { color: var(--accent); }

/* === MIN HARDWARE PANEL === */
.min-hardware-panel { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; margin-bottom: 32px; }
.min-hardware-panel h4 { font-size: 1rem; font-weight: 700; margin-bottom: 20px; }
.min-hardware-card { display: grid; grid-template-columns: 1fr auto; gap: 32px; margin-bottom: 24px; }
.min-hw-badge { display: inline-block; background: rgba(181,88,58,0.1); border: 1px solid rgba(181,88,58,0.3); color: var(--accent); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; padding: 3px 10px; border-radius: 100px; margin-bottom: 10px; }
.min-hw-left h4 { font-size: 1.25rem; margin-bottom: 12px; }
.min-hw-memory { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; font-size: 0.95rem; }
.memory-surplus { color: var(--accent); font-weight: 600; font-size: 0.85rem; }
.min-hw-note { color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; }
.min-hw-right { flex-shrink: 0; display: flex; flex-direction: column; gap: 12px; }
.min-hw-stat { display: flex; flex-direction: column; }
.min-hw-stat-label { font-size: 0.75rem; color: var(--text-dim); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.min-hw-stat-val { font-weight: 700; font-size: 0.95rem; }
.why-not-cheaper { background: var(--bg-dark); border-radius: var(--radius-sm); padding: 20px; }
.why-not-cheaper h5 { font-size: 0.9rem; font-weight: 700; margin-bottom: 12px; }
.why-not-cheaper ul li { color: var(--text-muted); font-size: 0.88rem; padding: 6px 0; border-bottom: 1px solid var(--border); font-family: var(--mono); }
.why-not-cheaper ul li:last-child { border-bottom: none; color: var(--text); }
.model-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 8px; }

/* === GUIDE PAGE === */
.path-selector { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; margin-bottom: 64px; }
.path-select-btn { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 8px; background: var(--bg-card); border: 2px solid var(--border); border-radius: var(--radius); padding: 36px 28px; text-decoration: none; color: var(--text); transition: all 0.2s; }
.path-select-btn:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-card); text-decoration: none; color: var(--text); }
.path-select-icon { font-size: 2.5rem; }
.path-select-label { font-size: 1.1rem; font-weight: 700; }
.path-select-sub { font-size: 0.85rem; color: var(--text-muted); }
.path-or { text-align: center; color: var(--text-dim); font-size: 0.9rem; font-weight: 600; }
.guide-path { margin-bottom: 40px; }
.guide-path-header { display: flex; align-items: flex-start; gap: 24px; margin-bottom: 40px; }
.path-icon-lg { font-size: 3rem; flex-shrink: 0; }
.guide-path-header h2 { font-size: clamp(1.6rem, 3vw, 2rem); font-weight: 800; letter-spacing: -0.04em; margin-bottom: 10px; }
.guide-path-sub { color: var(--text-muted); font-size: 1.0rem; line-height: 1.7; max-width: 640px; }
.path-divider { border: none; border-top: 1px solid var(--border); margin: 64px 0; }
.decision-steps { display: flex; flex-direction: column; gap: 0; margin-bottom: 48px; }
.decision-step { display: grid; grid-template-columns: auto 1fr; gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--border); }
.decision-step:last-child { border-bottom: none; }
.step-num { width: 36px; height: 36px; background: var(--accent); color: #FFFFFF; font-weight: 800; font-size: 0.9rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 3px; }
.step-content h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 12px; }
.answer-panel { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 16px 20px; font-size: 0.92rem; color: var(--text-muted); line-height: 1.7; }
.answer-panel strong { color: var(--text); }
.answer-no { border-color: rgba(178,59,59,0.25); }
.answer-yes { border-color: rgba(181,88,58,0.25); }
.model-mini-list { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.model-mini { display: flex; justify-content: space-between; align-items: center; background: var(--bg-dark); border-radius: var(--radius-sm); padding: 10px 14px; font-size: 0.9rem; }
.model-mini-name { font-weight: 600; }
.model-mini-params { color: var(--text-muted); }

/* === BUILD RECOMMENDATION === */
.build-recommendation { background: var(--bg-card); border: 2px solid rgba(181,88,58,0.3); border-radius: var(--radius); padding: 40px; }
.build-recommendation-blue { border-color: rgba(168,197,214,0.3); }
.build-rec-badge { display: inline-block; background: rgba(181,88,58,0.1); color: var(--accent); border: 1px solid rgba(181,88,58,0.3); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; padding: 4px 12px; border-radius: 100px; margin-bottom: 12px; }
.build-rec-badge-blue { background: var(--blue-glow); color: var(--blue); border-color: rgba(168,197,214,0.3); }
.build-rec-title { font-size: clamp(1.3rem, 2.5vw, 1.7rem); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 10px; }
.build-rec-desc { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; margin-bottom: 32px; }
.build-items { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; margin-bottom: 24px; }
.build-item { display: grid; grid-template-columns: 1fr auto auto; gap: 16px; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.build-item:last-child { border-bottom: none; }
.build-item-category { display: block; font-size: 0.75rem; color: var(--text-dim); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.build-item-name { font-weight: 700; font-size: 1.0rem; }
.build-item-qty { color: var(--text-muted); font-family: var(--mono); font-size: 0.9rem; }
.build-item-price { font-weight: 700; color: var(--accent); font-family: var(--mono); white-space: nowrap; }
.build-totals { background: var(--bg-dark); border-radius: var(--radius-sm); padding: 20px 24px; margin-bottom: 24px; display: flex; flex-direction: column; gap: 8px; }
.build-total-row { display: flex; justify-content: space-between; align-items: baseline; }
.total-label { color: var(--text-muted); font-size: 0.9rem; }
.total-val { font-family: var(--mono); font-weight: 600; }
.power-note-text { color: var(--text-dim); font-size: 0.82rem; font-family: var(--sans); font-weight: 400; }
.build-total-price-row { margin-top: 8px; padding-top: 12px; border-top: 1px solid var(--border); }
.total-price-val { font-size: 1.4rem; font-weight: 800; color: var(--accent); }
.build-why, .build-next { margin-bottom: 20px; }
.build-why h4, .build-next h4 { font-size: 0.9rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px; color: var(--text-muted); }
.build-why p, .build-next p { color: var(--text-muted); font-size: 0.93rem; line-height: 1.7; }
.build-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 32px; }
.cluster-callout { background: var(--bg-dark); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 28px; margin-top: 28px; }
.cluster-callout h4 { font-size: 1rem; font-weight: 700; margin-bottom: 12px; }
.cluster-callout p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; margin-bottom: 12px; }
.cluster-table { overflow-x: auto; margin-top: 16px; }
.cluster-table table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.cluster-table th { background: var(--bg-card); color: var(--text-muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); }
.cluster-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); color: var(--text-muted); vertical-align: top; }
.cluster-table tr:last-child td { border-bottom: none; }
.cluster-table td:first-child { color: var(--text); font-weight: 500; }

/* === QUOTE FORM === */
.quote-layout { display: grid; grid-template-columns: 1fr 340px; gap: 40px; }
.quote-form-col { min-width: 0; }
.form-section { margin-bottom: 36px; }
.form-section h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 0.88rem; font-weight: 600; color: var(--text-muted); }
.required { color: #B23B3B; }
.form-group input, .form-group textarea { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 14px; color: var(--text); font-family: var(--sans); font-size: 0.95rem; outline: none; transition: border-color 0.15s; width: 100%; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 100px; }
.build-options { display: flex; flex-direction: column; gap: 16px; }
.build-option { display: flex; align-items: flex-start; gap: 16px; background: var(--bg-card); border: 2px solid var(--border); border-radius: var(--radius); padding: 20px; cursor: pointer; transition: all 0.15s; }
.build-option:hover { border-color: var(--border-bright); }
.build-option.selected { border-color: var(--accent); background: rgba(181,88,58,0.05); }
.build-option input { margin-top: 4px; accent-color: var(--accent); width: 16px; height: 16px; flex-shrink: 0; }
.build-option-name { font-weight: 700; font-size: 0.95rem; margin-bottom: 4px; }
.build-option-price { color: var(--accent); font-family: var(--mono); font-weight: 700; font-size: 0.9rem; margin-bottom: 6px; }
.build-option-desc { color: var(--text-muted); font-size: 0.85rem; }
.form-note { color: var(--text-dim); font-size: 0.82rem; margin-top: 12px; text-align: center; }
.error-banner { background: rgba(178,59,59,0.1); border: 1px solid rgba(178,59,59,0.3); border-radius: var(--radius-sm); padding: 12px 16px; color: #8B2E2E; font-size: 0.9rem; margin-bottom: 24px; }
.success-panel { text-align: center; background: rgba(181,88,58,0.06); border: 2px solid rgba(181,88,58,0.3); border-radius: var(--radius); padding: 60px 40px; }
.success-icon { font-size: 3rem; margin-bottom: 20px; }
.success-panel h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 16px; }
.request-number { font-family: var(--mono); font-size: 1.3rem; font-weight: 700; color: var(--accent); background: var(--bg-dark); border-radius: var(--radius-sm); padding: 10px 24px; display: inline-block; margin-bottom: 20px; }
.success-panel p { color: var(--text-muted); max-width: 480px; margin: 0 auto 32px; line-height: 1.7; }
.success-actions { display: flex; gap: 16px; justify-content: center; }

/* === SIDEBAR === */
.quote-sidebar { display: flex; flex-direction: column; gap: 20px; }
.sidebar-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.sidebar-card h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 14px; }
.sidebar-steps { padding-left: 20px; display: flex; flex-direction: column; gap: 10px; }
.sidebar-steps li { color: var(--text-muted); font-size: 0.88rem; line-height: 1.6; list-style: decimal; }
.sidebar-card p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.6; }
.sidebar-card a { color: var(--accent); }
.sidebar-card-builds { display: flex; flex-direction: column; gap: 0; }
.sidebar-build { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); }
.sidebar-build:last-child { border-bottom: none; }
.sidebar-build-name { font-size: 0.88rem; font-weight: 600; }
.sidebar-build-price { font-family: var(--mono); font-size: 0.85rem; color: var(--accent); }

/* === REQUESTS TABLE === */
.requests-table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.requests-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.requests-table th { background: var(--bg-dark); color: var(--text-muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.requests-table td { padding: 14px 16px; border-bottom: 1px solid var(--border); vertical-align: top; }
.requests-table tr:last-child td { border-bottom: none; }
.requests-table tr:hover td { background: var(--bg-card); }
.request-id { font-family: var(--mono); color: var(--accent); font-weight: 700; }
.email-link { color: var(--blue); }
.build-tag { background: rgba(181,88,58,0.08); border: 1px solid rgba(181,88,58,0.2); color: var(--accent); padding: 3px 10px; border-radius: 100px; font-size: 0.78rem; font-weight: 600; white-space: nowrap; }
.notes-cell { color: var(--text-muted); max-width: 200px; font-size: 0.85rem; }
.date-cell { color: var(--text-muted); white-space: nowrap; font-size: 0.82rem; }
.requests-summary { margin-top: 16px; color: var(--text-muted); font-size: 0.9rem; }
.empty-state { text-align: center; padding: 80px 0; }
.empty-icon { font-size: 3rem; margin-bottom: 20px; }
.empty-state h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 10px; }
.empty-state p { color: var(--text-muted); margin-bottom: 28px; }

/* === FOOTER === */
.footer { background: var(--bg-dark); border-top: 1px solid var(--border); padding: 60px 0 32px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-logo { font-family: var(--serif); font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.footer-desc { color: var(--text-dim); font-size: 0.88rem; line-height: 1.65; max-width: 240px; }
.footer-heading { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 14px; }
.footer-link { display: block; color: var(--text-dim); font-size: 0.88rem; padding: 4px 0; transition: color 0.15s; }
.footer-link:hover { color: var(--text); text-decoration: none; }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; }
.footer-bottom p { color: var(--text-dim); font-size: 0.82rem; }

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; }
  .specs-grid { grid-template-columns: 1fr 1fr; }
  .suitable-grid { grid-template-columns: 1fr; }
  .cluster-compare-grid { grid-template-columns: 1fr; }
  .product-detail-header { flex-direction: column; gap: 16px; }
  .product-detail-price { text-align: left; }
  .memory-steps { flex-direction: column; gap: 8px; }
  .memory-step-op { transform: rotate(90deg); }
  .min-hardware-card { grid-template-columns: 1fr; }
  .quote-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .path-selector { grid-template-columns: 1fr; }
  .path-or { text-align: center; }
  .guide-path-header { flex-direction: column; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .hero { padding: 80px 0 60px; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .hero-stats { gap: 0; }
  .stat { padding: 0 20px; }
  .nav-links { display: none; }
  .specs-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .formula-display { flex-direction: column; }
  .build-recommendation { padding: 24px; }
  .success-actions { flex-direction: column; align-items: center; }
}

/* === BREADCRUMB === */
.breadcrumb { margin-bottom: 12px; }
.breadcrumb a { color: var(--text-muted); font-size: 0.88rem; }
.breadcrumb a:hover { color: var(--text); }