/* ================================================================
   VISIONQC — DESIGN SYSTEM & INDEX PAGE
   Font: Inter (body) + JetBrains Mono (data)
================================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* ── Tokens ───────────────────────────────────────────────────── */
:root {
    --bg:          #050b14;
    --surface:     #0a1628;
    --panel:       #0c1d36;
    --border:      rgba(59,130,246,0.12);
    --border-mid:  rgba(59,130,246,0.24);

    --blue:        #3b82f6;
    --blue-soft:   rgba(59,130,246,0.12);
    --blue-glow:   rgba(59,130,246,0.25);
    --cyan:        #06b6d4;
    --cyan-soft:   rgba(6,182,212,0.12);
    --green:       #10b981;
    --green-soft:  rgba(16,185,129,0.12);
    --red:         #ef4444;
    --red-soft:    rgba(239,68,68,0.12);
    --purple:      #8b5cf6;
    --purple-soft: rgba(139,92,246,0.12);
    --amber:       #f59e0b;

    --t1: #e2e8f0;
    --t2: #94a3b8;
    --t3: #475569;

    --mono: 'JetBrains Mono', 'Fira Code', monospace;
    --sans: 'Inter', -apple-system, sans-serif;

    --radius: 8px;
    --radius-lg: 14px;
}

/* ── Reset ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
a { text-decoration: none; }

/* ================================================================
   INDEX PAGE
================================================================ */
.index-body {
    min-height: 100vh;
    background-color: var(--bg);
    background-image:
        radial-gradient(ellipse 80% 50% at 15% -5%,  rgba(59,130,246,0.18) 0%, transparent 55%),
        radial-gradient(ellipse 55% 45% at 85% 110%, rgba(139,92,246,0.13) 0%, transparent 55%),
        linear-gradient(rgba(59,130,246,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59,130,246,0.035) 1px, transparent 1px);
    background-size: auto, auto, 64px 64px, 64px 64px;
    color: var(--t1);
    font-family: var(--sans);
    overflow-x: hidden;
}

/* ── NAV ──────────────────────────────────────────────────────── */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 56px;
    border-bottom: 1px solid var(--border);
    background: rgba(5,11,20,0.7);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo-icon {
    width: 28px; height: 28px;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--mono);
    font-size: 0.65rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.5px;
}
.logo-text {
    font-family: var(--mono);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--t1);
    letter-spacing: 1px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 24px;
}
.nav-version {
    font-family: var(--mono);
    font-size: 0.6rem;
    color: var(--t3);
    padding: 3px 10px;
    border: 1px solid var(--border);
    border-radius: 99px;
    letter-spacing: 1.5px;
}
.nav-link {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--t2);
    letter-spacing: 1px;
    transition: color 0.2s;
}
.nav-link:hover { color: var(--blue); }

/* ── HERO ─────────────────────────────────────────────────────── */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(24px, 5vw, 60px);
    align-items: center;
    padding: clamp(28px, 7vw, 80px) clamp(16px, 5vw, 56px) clamp(22px, 6vw, 64px);
    max-width: 1280px;
    margin: 0 auto;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 22px;
}
.live-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
    animation: livePulse 2s ease-in-out infinite;
}
@keyframes livePulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(0.85)} }

.hero-title {
    font-size: clamp(2.4rem, 4.5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 22px;
    color: var(--t1);
}
.text-gradient {
    background: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--t2);
    margin-bottom: 36px;
    max-width: 480px;
}
.hero-desc strong { color: var(--t1); font-weight: 600; }

.hero-cta {
    display: flex;
    gap: 14px;
    align-items: center;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--blue), #2563eb);
    color: #fff;
    font-family: var(--mono);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 13px 26px;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all 0.25s;
    box-shadow: 0 0 0 1px rgba(59,130,246,0.4), 0 8px 24px rgba(59,130,246,0.25);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 0 1px rgba(59,130,246,0.5), 0 12px 32px rgba(59,130,246,0.35);
}
.btn-arrow { opacity: 0.7; transition: transform 0.2s; }
.btn-primary:hover .btn-arrow { transform: translateX(3px); }

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    color: var(--t2);
    font-family: var(--mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    padding: 13px 22px;
    border-radius: var(--radius);
    border: 1px solid var(--border-mid);
    cursor: pointer;
    transition: all 0.25s;
}
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }

/* ── HERO VISUAL (MOCKUP) ─────────────────────────────────────── */
.hero-visual { position: relative; }

.mockup-frame {
    background: rgba(10,22,44,0.85);
    border: 1px solid var(--border-mid);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow:
        0 0 0 1px rgba(59,130,246,0.06),
        0 40px 80px rgba(0,0,0,0.5),
        0 0 80px rgba(59,130,246,0.08);
    animation: floatUp 6s ease-in-out infinite;
}
@keyframes floatUp { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }

.mockup-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: rgba(5,11,20,0.6);
    border-bottom: 1px solid var(--border);
}
.mockup-dots { display: flex; gap: 6px; }
.mockup-dots span {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--border-mid);
}
.mockup-name {
    font-family: var(--mono);
    font-size: 0.58rem;
    color: var(--t3);
    letter-spacing: 2px;
    text-transform: uppercase;
}
.mockup-time {
    font-family: var(--mono);
    font-size: 0.6rem;
    color: var(--cyan);
}

.mockup-viewport {
    position: relative;
    height: 220px;
    background: #020810;
    overflow: hidden;
}

/* Simulated heatmap gradient background */
.mockup-heat {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 50% 40% at 38% 28%, rgba(239,68,68,0.6) 0%, rgba(251,191,36,0.3) 35%, rgba(6,182,212,0.1) 70%, transparent 100%);
    opacity: 0.75;
}

.mockup-scan-line {
    position: absolute;
    left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    box-shadow: 0 0 12px var(--cyan), 0 0 24px rgba(6,182,212,0.4);
    animation: scanDown 3s linear infinite;
    z-index: 5;
}
@keyframes scanDown { 0%{top:0%} 100%{top:100%} }

.mockup-bbox {
    position: absolute;
    top: 18%; left: 18%; right: 18%; bottom: 12%;
    border: 1.5px solid var(--cyan);
    z-index: 6;
}
.mockup-bbox-label {
    position: absolute;
    top: -20px; left: -1px;
    font-family: var(--mono);
    font-size: 0.55rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: #000;
    background: var(--cyan);
    padding: 2px 8px;
}

/* Corner brackets */
.mc { position: absolute; width: 10px; height: 10px; border-color: var(--cyan); border-style: solid; }
.mc.tl { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.mc.tr { top: -1px; right: -1px; border-width: 2px 2px 0 0; }
.mc.bl { bottom: -1px; left: -1px; border-width: 0 0 2px 2px; }
.mc.br { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

.mockup-statusbar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border-top: 1px solid var(--border);
}
.mockup-stat {
    background: rgba(5,11,20,0.8);
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.ms-label {
    font-family: var(--mono);
    font-size: 0.5rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--t3);
}
.ms-val {
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 700;
}
.ms-val.ok { color: var(--green); }
.ms-val.defect { color: var(--red); }
.ms-val.score { color: var(--amber); }

/* ── TECH STRIP ───────────────────────────────────────────────── */
.tech-strip {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: rgba(10,22,44,0.4);
    padding: 18px 56px;
    display: flex;
    align-items: center;
    gap: 28px;
    flex-wrap: wrap;
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
}
.tech-powered {
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--t3);
    white-space: nowrap;
    margin-right: 4px;
}
.tech-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.tech-badge {
    font-family: var(--mono);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--t2);
    padding: 5px 12px;
    border: 1px solid var(--border-mid);
    border-radius: 4px;
    background: rgba(59,130,246,0.05);
    transition: all 0.2s;
    cursor: default;
    white-space: nowrap;
}
.tech-badge:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }

/* ── FEATURE CARDS ────────────────────────────────────────────── */
.features-section {
    padding: clamp(28px, 7vw, 80px) clamp(16px, 5vw, 56px);
    max-width: 1280px;
    margin: 0 auto;
}
.section-eyebrow {
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 14px;
    text-align: center;
}
.section-title-main {
    font-size: clamp(1.3rem, 3.5vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.5px;
    text-align: center;
    margin-bottom: clamp(20px, 4.5vw, 52px);
    color: var(--t1);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
@media (max-width: 1100px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .features-grid { grid-template-columns: 1fr; }
}

.feat-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: clamp(16px, 3.5vw, 30px);
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.feat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    opacity: 0;
    transition: opacity 0.3s;
}
.feat-card.blue::before  { background: linear-gradient(90deg, transparent, var(--blue), transparent); }
.feat-card.purple::before{ background: linear-gradient(90deg, transparent, var(--purple), transparent); }
.feat-card.green::before { background: linear-gradient(90deg, transparent, var(--green), transparent); }

.feat-card:hover { transform: translateY(-4px); }
.feat-card.blue:hover   { border-color: rgba(59,130,246,0.35);   box-shadow: 0 16px 48px rgba(59,130,246,0.1); }
.feat-card.purple:hover { border-color: rgba(139,92,246,0.35);   box-shadow: 0 16px 48px rgba(139,92,246,0.1); }
.feat-card.green:hover  { border-color: rgba(16,185,129,0.35);   box-shadow: 0 16px 48px rgba(16,185,129,0.1); }
.feat-card:hover::before { opacity: 1; }

.feat-icon {
    width: 44px; height: 44px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.3rem;
}
.feat-icon.blue   { background: var(--blue-soft);   border: 1px solid rgba(59,130,246,0.2); }
.feat-icon.purple { background: var(--purple-soft); border: 1px solid rgba(139,92,246,0.2); }
.feat-icon.green  { background: var(--green-soft);  border: 1px solid rgba(16,185,129,0.2); }

.feat-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--t1);
}
.feat-card p {
    font-size: 0.88rem;
    line-height: 1.65;
    color: var(--t2);
    margin-bottom: 20px;
}
.feat-chip {
    font-family: var(--mono);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 4px;
}
.feat-chip.blue   { color: var(--blue);   background: var(--blue-soft);   }
.feat-chip.purple { color: var(--purple); background: var(--purple-soft); }
.feat-chip.green  { color: var(--green);  background: var(--green-soft);  }

/* ── STATS BAR ────────────────────────────────────────────────── */
.stats-strip {
    background: var(--panel);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: clamp(20px, 4vw, 40px) clamp(16px, 5vw, 56px);
}
.stats-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    max-width: 900px;
    margin: 0 auto;
}
.stat-item {
    text-align: center;
    padding: 0 24px;
    border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }
.stat-num {
    font-family: var(--mono);
    font-size: clamp(1.35rem, 3.8vw, 2rem);
    font-weight: 700;
    color: var(--blue);
    margin-bottom: 6px;
    display: block;
}
.stat-desc {
    font-size: 0.78rem;
    color: var(--t3);
    font-weight: 500;
}

/* ── PIPELINE SECTION ─────────────────────────────────────────── */
.pipeline-section {
    padding: clamp(28px, 7vw, 80px) clamp(16px, 5vw, 56px);
    max-width: 1280px;
    margin: 0 auto;
}
.pipeline-steps {
    display: grid;
    grid-template-columns: 1fr 60px 1fr 60px 1fr;
    align-items: center;
    gap: 0;
    margin-top: 48px;
}
.pipe-step {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: clamp(14px, 3vw, 28px);
    text-align: center;
}
.pipe-num {
    font-family: var(--mono);
    font-size: 0.58rem;
    color: var(--t3);
    letter-spacing: 2px;
    margin-bottom: 8px;
}
.pipe-icon { font-size: 1.6rem; margin-bottom: 12px; display: block; }
.pipe-name {
    font-family: var(--mono);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--t1);
    letter-spacing: 1px;
    margin-bottom: 8px;
}
.pipe-sub { font-size: 0.8rem; color: var(--t3); }
.pipe-arrow {
    text-align: center;
    color: var(--t3);
    font-size: 1.2rem;
    font-family: var(--mono);
}

/* ── DATASET HIGHLIGHT SECTION ───────────────────────────────── */
.dataset-highlight-section {
    padding: 72px 56px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(59,130,246,0.04) 0%, rgba(139,92,246,0.04) 100%);
}
.ds-hl-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}
.ds-hl-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.ds-chip {
    font-family: var(--mono);
    font-size: 0.58rem;
    padding: 4px 10px;
    border-radius: 99px;
    letter-spacing: 0.8px;
}
.ds-chip.blue   { background: var(--blue-soft);   color: var(--blue);   border: 1px solid rgba(59,130,246,0.25); }
.ds-chip.green  { background: var(--green-soft);  color: var(--green);  border: 1px solid rgba(16,185,129,0.25); }
.ds-chip.purple { background: var(--purple-soft); color: var(--purple); border: 1px solid rgba(139,92,246,0.25); }
.ds-chip.cyan   { background: var(--cyan-soft);   color: var(--cyan);   border: 1px solid rgba(6,182,212,0.25); }
.ds-chip.red    { background: var(--red-soft);    color: var(--red);    border: 1px solid rgba(239,68,68,0.25); }

.ds-hl-gallery {
    position: relative;
}
.ds-hl-img-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}
.ds-hl-img-grid img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: transform 0.2s, border-color 0.2s;
}
.ds-hl-img-grid img:hover {
    transform: scale(1.04);
    border-color: var(--border-mid);
}

@media (max-width: 900px) {
    .ds-hl-inner { grid-template-columns: 1fr; gap: 32px; }
    .dataset-highlight-section { padding: 48px 24px; }
}

/* ── 4-COLUMN PIPELINE ────────────────────────────────────────── */
.pipeline-steps-4 {
    grid-template-columns: 1fr 48px 1fr 48px 1fr 48px 1fr;
}

/* ── 4th feature card colour (cyan) ─────────────────────────── */
.feat-card.cyan { }
.feat-card.cyan::before { background: linear-gradient(90deg, transparent, var(--cyan), transparent); }
.feat-card.cyan:hover { border-color: rgba(6,182,212,0.35); box-shadow: 0 16px 48px rgba(6,182,212,0.1); }
.feat-icon.cyan  { background: var(--cyan-soft);  border: 1px solid rgba(6,182,212,0.2); }
.feat-chip.cyan  { color: var(--cyan);  background: var(--cyan-soft); }


/* ── REPORTS & EXPORT SECTION ────────────────────────────────── */
.reports-section {
    padding: 80px 56px;
    border-top: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(139,92,246,0.03) 0%, transparent 60%);
}
.reports-inner { max-width: 1280px; margin: 0 auto; }
.reports-header { text-align: center; margin-bottom: 52px; }
.reports-header-left { display: contents; }
.reports-sub {
    font-size: 0.95rem;
    color: var(--t2);
    line-height: 1.8;
    max-width: 780px;
    margin: 0 auto;
}

.reports-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    align-items: start;
}

.report-preview-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
}
.report-preview-card:hover {
    border-color: var(--border-mid);
    transform: translateY(-3px);
}

.rpc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
}
.rpc-tag {
    font-family: var(--mono);
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 4px 10px;
    border-radius: 5px;
}
.rpc-tag.blue   { background: var(--blue-soft);   color: var(--blue);   border: 1px solid rgba(59,130,246,0.25); }
.rpc-tag.purple { background: var(--purple-soft); color: var(--purple); border: 1px solid rgba(139,92,246,0.25); }
.rpc-tag.green  { background: var(--green-soft);  color: var(--green);  border: 1px solid rgba(16,185,129,0.25); }

.rpc-dl-btn {
    font-family: var(--mono);
    font-size: 0.58rem;
    color: var(--t3);
    letter-spacing: 0.5px;
    transition: color 0.2s;
    text-decoration: none;
}
.rpc-dl-btn:hover { color: var(--blue); }

.rpc-img-wrap {
    position: relative;
    overflow: hidden;
}
.rpc-img-wrap img {
    width: 100%;
    display: block;
    object-fit: cover;
    transition: transform 0.3s;
}
.rpc-img-overlay {
    position: absolute;
    inset: 0;
    background: rgba(5,11,20,0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s;
}
.rpc-img-wrap:hover img { transform: scale(1.03); }
.rpc-img-wrap:hover .rpc-img-overlay { opacity: 1; }
.rpc-dl-big {
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 600;
    color: #fff;
    background: var(--blue);
    padding: 10px 20px;
    border-radius: var(--radius);
    text-decoration: none;
    letter-spacing: 0.5px;
    transition: background 0.2s;
}
.rpc-dl-big:hover { background: #2563eb; }

.rpc-footer {
    padding: 12px 18px;
    border-top: 1px solid var(--border);
}
.rpc-detail {
    font-family: var(--mono);
    font-size: 0.58rem;
    color: var(--t3);
    letter-spacing: 0.3px;
    line-height: 1.6;
}

/* CSV preview card */
.csv-preview {
    padding: 0;
    overflow: hidden;
    position: relative;
    font-family: var(--mono);
    font-size: 0.56rem;
}
.csv-header-row {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 0;
    background: rgba(59,130,246,0.08);
    border-bottom: 1px solid var(--border);
    padding: 8px 14px;
    color: var(--blue);
    letter-spacing: 0.8px;
    font-weight: 700;
}
.csv-data-row {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 0;
    padding: 7px 14px;
    color: var(--t2);
    border-bottom: 1px solid var(--border);
}
.csv-data-row.alt { background: rgba(255,255,255,0.015); }
.csv-header-row span, .csv-data-row span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.csv-status { font-weight: 700; }
.csv-status.defect { color: var(--red); }
.csv-status.ok { color: var(--green); }
.csv-fade {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 40px;
    background: linear-gradient(transparent, var(--panel));
    pointer-events: none;
}

@media (max-width: 1100px) { .reports-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 700px)  { .reports-grid { grid-template-columns: 1fr; } }

/* ── FOOTER NAV ───────────────────────────────────────────────── */
.footer-nav {
    display: flex;
    gap: 24px;
    align-items: center;
}
.footer-nav-link {
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--t3);
    letter-spacing: 1px;
    transition: color 0.2s;
}
.footer-nav-link:hover { color: var(--blue); }

/* ── FOOTER ───────────────────────────────────────────────────── */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 28px 56px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}
.footer-logo-icon {
    width: 22px; height: 22px;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--mono);
    font-size: 0.5rem;
    font-weight: 700;
    color: #fff;
}
.footer-name {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--t3);
    letter-spacing: 1px;
}
.footer-stack {
    font-family: var(--mono);
    font-size: 0.6rem;
    color: var(--t3);
    letter-spacing: 1px;
}

/* ================================================================
   RESPONSIVE BREAKPOINTS
================================================================ */

/* ── Tablet landscape / small desktop (≤ 1024px) ──────────────── */
@media (max-width: 1024px) {
    .nav              { padding: 18px 28px; }
    .hero             { padding: 60px 28px 48px; gap: 40px; }
    .tech-strip       { padding: 16px 28px; }
    .features-section { padding: 60px 28px; }
    .pipeline-section { padding: 60px 28px; }
    .stats-strip      { padding: 32px 28px; }
    .reports-section  { padding: 60px 28px; }
    .site-footer      { padding: 24px 28px; }
}

/* ── Tablet portrait (≤ 768px) ─────────────────────────────────── */
@media (max-width: 768px) {
    /* Nav */
    .nav { padding: 14px 20px; }
    .nav-right { gap: 14px; }

    /* Hero: stack columns */
    .hero {
        grid-template-columns: 1fr;
        padding: 44px 20px 36px;
        gap: 36px;
    }
    .hero-desc { max-width: 100%; }
    .hero-visual { max-width: 420px; width: 100%; margin: 0 auto; }

    /* Tech strip */
    .tech-strip { padding: 14px 20px; gap: 14px; }

    /* Features */
    .features-section { padding: 44px 20px; }
    .section-title-main { margin-bottom: 32px; }

    /* Pipeline: 2×2 on tablet (hide arrows) */
    .pipeline-section  { padding: 44px 20px; }
    .pipeline-steps-4  { grid-template-columns: 1fr 1fr; gap: 14px; }
    .pipeline-steps-4 .pipe-arrow { display: none; }
    .pipe-step { padding: 20px 18px; }

    /* Stats: 2×2 */
    .stats-strip  { padding: 24px 20px; }
    .stats-inner  { grid-template-columns: repeat(2, 1fr); max-width: 100%; }
    .stat-item    { border-right: none; border-bottom: 1px solid var(--border); padding: 16px 0; }
    .stat-item:nth-child(odd)  { border-right: 1px solid var(--border); }
    .stat-item:nth-child(3),
    .stat-item:nth-child(4)    { border-bottom: none; }
    .stat-num  { font-size: 1.7rem; }

    /* Dataset highlight */
    .dataset-highlight-section { padding: 36px 20px; }

    /* Reports */
    .reports-section { padding: 44px 20px; }

    /* Footer: stack */
    .site-footer {
        padding: 24px 20px;
        flex-direction: column;
        align-items: center;
        gap: 14px;
        text-align: center;
    }
    .footer-nav { flex-wrap: wrap; justify-content: center; gap: 14px; }
}

/* ── Mobile (≤ 480px) ──────────────────────────────────────────── */
@media (max-width: 480px) {
    /* Nav */
    .nav { padding: 12px 16px; }

    /* Hero */
    .hero { padding: 28px 16px 22px; gap: 22px; }
    .hero-title { letter-spacing: -1px; }
    .hero-desc  { font-size: 0.9rem; line-height: 1.65; }
    .hero-cta   { flex-direction: column; align-items: flex-start; gap: 10px; }
    .btn-primary, .btn-ghost { width: 100%; justify-content: center; padding: 12px 20px; }

    /* Mockup smaller */
    .mockup-viewport { height: 165px; }
    .mockup-stat { padding: 8px 10px; }
    .ms-val { font-size: 0.65rem; }

    /* Tech strip */
    .tech-strip   { padding: 10px 16px; gap: 8px; }
    .tech-powered { display: none; }
    .tech-badge   { font-size: 0.58rem; padding: 4px 9px; }

    /* Features — compact cards */
    .features-section  { padding: 26px 16px; }
    .section-eyebrow   { margin-bottom: 6px; }
    .section-title-main { font-size: 1.3rem; margin-bottom: 18px; }
    .feat-card { padding: 18px 16px; }
    .feat-icon { width: 36px; height: 36px; font-size: 1.1rem; margin-bottom: 12px; }
    .feat-card h3 { font-size: 0.9rem; margin-bottom: 7px; }
    .feat-card p  { font-size: 0.8rem; line-height: 1.6; margin-bottom: 12px; }
    .feat-chip    { font-size: 0.55rem; }

    /* Pipeline: single column, compact */
    .pipeline-section { padding: 26px 16px; }
    .pipeline-steps-4 { grid-template-columns: 1fr; gap: 8px; }
    .pipe-step { padding: 14px 14px; }
    .pipe-icon { font-size: 1.2rem; margin-bottom: 6px; }
    .pipe-name { font-size: 0.72rem; margin-bottom: 5px; }
    .pipe-sub  { font-size: 0.72rem; }
    .pipe-num  { margin-bottom: 5px; }

    /* Stats — compact 2×2 */
    .stats-strip { padding: 20px 16px; }
    .stat-num    { font-size: 1.45rem; }
    .stat-desc   { font-size: 0.68rem; }
    .stat-item   { padding: 12px 0; }

    /* Dataset highlight */
    .dataset-highlight-section { padding: 26px 16px; }
    .ds-hl-inner { gap: 18px; }

    /* Reports */
    .reports-section { padding: 26px 16px; }
    .reports-header  { margin-bottom: 28px; }
    .reports-sub     { font-size: 0.85rem; }

    /* Footer */
    .site-footer    { padding: 18px 16px; gap: 10px; }
    .footer-stack   { display: none; }
    .footer-nav     { gap: 12px; }
    .footer-name    { font-size: 0.65rem; }
}