:root {
    --dex-primary: #DD4814;
    --dex-primary-dark: #c03a0e;
    --dex-primary-soft: #fef0ea;
    --dex-primary-rgb: 221, 72, 20;
    --dex-dark: #1a1410;
    --dex-dark-card: #2a2118;
    --dex-dark-border: #3d3229;
    --dex-text: #3d3229;
    --dex-text-muted: #6b5c50;
    --dex-text-light: #9a8b7f;
    --dex-bg: #faf8f6;
    --dex-white: #ffffff;
    --dex-green: #22c55e;
    --dex-amber: #e8910c;
    --dex-red: #dc3545;
    --dex-border: #e8ddd4;
    --dex-radius: 8px;
    --dex-radius-lg: 12px;
    --dex-shadow: 0 1px 3px rgba(26,20,16,.06), 0 1px 2px rgba(26,20,16,.04);
    --dex-shadow-lg: 0 10px 40px rgba(26,20,16,.08);
    --dex-shadow-xl: 0 20px 60px rgba(26,20,16,.12);
}

* { box-sizing: border-box; }

body {
    font-family: 'DM Sans', -apple-system, sans-serif;
    color: var(--dex-text);
    background: var(--dex-white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

code, .font-mono {
    font-family: 'JetBrains Mono', monospace;
}

/* ── Navbar ── */
.dex-navbar {
    background: var(--dex-white);
    border-bottom: 1px solid var(--dex-border);
    padding: .75rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(12px);
    background: rgba(255,255,255,.92);
}
.dex-navbar .navbar-brand {
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--dex-dark);
    letter-spacing: -.5px;
    display: flex;
    align-items: center;
    gap: .5rem;
}
.dex-navbar .navbar-brand .brand-icon {
    width: 32px;
    height: 32px;
    background: var(--dex-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: .8rem;
    font-weight: 700;
}
.dex-navbar .nav-link {
    color: var(--dex-text-muted);
    font-weight: 500;
    font-size: .9rem;
    padding: .5rem 1rem !important;
    transition: color .15s;
}
.dex-navbar .nav-link:hover { color: var(--dex-dark); }
.dex-navbar .btn-primary-nav {
    background: var(--dex-dark);
    color: #fff;
    border: none;
    padding: .5rem 1.25rem;
    border-radius: var(--dex-radius);
    font-weight: 600;
    font-size: .875rem;
    transition: background .2s;
}
.dex-navbar .btn-primary-nav:hover { background: #2a2118; }

/* ── Hero ── */
.dex-hero {
    padding: 5rem 0 4rem;
    background: linear-gradient(180deg, var(--dex-white) 0%, var(--dex-bg) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.dex-hero::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse, rgba(221,72,20,.07) 0%, transparent 70%);
    pointer-events: none;
}
.dex-hero h1 {
    font-size: clamp(2.25rem, 5vw, 3.25rem);
    font-weight: 700;
    color: var(--dex-dark);
    line-height: 1.15;
    letter-spacing: -.02em;
    max-width: 720px;
    margin: 0 auto 1.25rem;
}
.dex-hero .hero-sub {
    font-size: 1.125rem;
    color: var(--dex-text-muted);
    max-width: 560px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}
.hero-buttons { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }
.btn-dex-primary {
    background: var(--dex-primary);
    color: #fff;
    border: none;
    padding: .7rem 1.75rem;
    border-radius: var(--dex-radius);
    font-weight: 600;
    font-size: .95rem;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    transition: all .2s;
    text-decoration: none;
}
.btn-dex-primary:hover { background: var(--dex-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(221,72,20,.3); }
.btn-dex-outline {
    background: transparent;
    color: var(--dex-dark);
    border: 1px solid var(--dex-border);
    padding: .7rem 1.75rem;
    border-radius: var(--dex-radius);
    font-weight: 600;
    font-size: .95rem;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    transition: all .2s;
    text-decoration: none;
}
.btn-dex-outline:hover { background: var(--dex-bg); color: var(--dex-dark); border-color: var(--dex-text-light); }

/* ── Badges row ── */
.badge-row {
    display: flex;
    gap: .5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}
.badge-row .badge-pill {
    background: var(--dex-white);
    border: 1px solid var(--dex-border);
    color: var(--dex-text-muted);
    padding: .35rem .85rem;
    border-radius: 999px;
    font-size: .8rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: .35rem;
}
.badge-pill i { font-size: .85rem; color: var(--dex-primary); }

/* ── Dashboard Preview ── */
.dashboard-preview {
    max-width: 920px;
    margin: 3rem auto 0;
    background: var(--dex-dark);
    border-radius: var(--dex-radius-lg);
    box-shadow: var(--dex-shadow-xl);
    overflow: hidden;
    border: 1px solid var(--dex-dark-border);
}
.dash-topbar {
    display: flex;
    align-items: center;
    padding: .65rem 1rem;
    gap: .5rem;
    border-bottom: 1px solid var(--dex-dark-border);
}
.dash-dot { width: 10px; height: 10px; border-radius: 50%; }
.dash-dot.r { background: #ef4444; }
.dash-dot.y { background: #f59e0b; }
.dash-dot.g { background: #22c55e; }
.dash-url {
    flex: 1;
    background: rgba(255,255,255,.08);
    border-radius: 6px;
    padding: .3rem .75rem;
    color: var(--dex-text-light);
    font-size: .75rem;
    font-family: 'JetBrains Mono', monospace;
    margin-left: .5rem;
}
.dash-body {
    display: flex;
}
.dash-sidebar {
    width: 180px;
    border-right: 1px solid var(--dex-dark-border);
    padding: 1rem .75rem;
    flex-shrink: 0;
}
.dash-sidebar .sb-brand {
    font-weight: 700;
    color: #fff;
    font-size: .9rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: .4rem;
}
.sb-brand-dot { width: 8px; height: 8px; background: var(--dex-primary); border-radius: 3px; }
.dash-sidebar .sb-item {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .45rem .6rem;
    border-radius: 6px;
    color: var(--dex-text-light);
    font-size: .8rem;
    font-weight: 500;
    margin-bottom: 2px;
    cursor: default;
}
.dash-sidebar .sb-item.active { background: rgba(221,72,20,.15); color: var(--dex-primary); }
.dash-sidebar .sb-item i { font-size: .9rem; }
.dash-main {
    flex: 1;
    padding: 1.25rem;
    overflow: hidden;
}
.dash-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}
.dash-header-row h3 {
    color: #fff;
    font-size: .95rem;
    font-weight: 600;
    margin: 0;
}
.dash-header-row span {
    color: var(--dex-text-light);
    font-size: .75rem;
}
.dash-stats {
    display: flex;
    gap: .75rem;
    margin-bottom: 1.25rem;
}
.dash-stat-card {
    background: rgba(255,255,255,.05);
    border: 1px solid var(--dex-dark-border);
    border-radius: 8px;
    padding: .65rem .85rem;
    flex: 1;
}
.dash-stat-card .label { color: var(--dex-text-light); font-size: .7rem; font-weight: 500; margin-bottom: .2rem; }
.dash-stat-card .val { color: #fff; font-size: 1.25rem; font-weight: 700; }
.dash-stat-card .val.green { color: var(--dex-green); }
.dash-stat-card .val.amber { color: var(--dex-amber); }
.dash-stat-card .change { color: var(--dex-green); font-size: .7rem; font-weight: 500; }

.dash-chart {
    background: rgba(255,255,255,.03);
    border: 1px solid var(--dex-dark-border);
    border-radius: 8px;
    padding: .75rem;
    margin-bottom: 1rem;
    height: 80px;
    position: relative;
    overflow: hidden;
}
.dash-chart .chart-label { color: var(--dex-text-light); font-size: .65rem; font-weight: 500; margin-bottom: .25rem; }
.dash-chart svg { width: 100%; height: 50px; }

.dash-table { width: 100%; }
.dash-table-header {
    color: var(--dex-text-light);
    font-size: .65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: .5rem;
}
.dash-table-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .5rem .6rem;
    border-radius: 6px;
    margin-bottom: 3px;
    background: rgba(255,255,255,.03);
    border: 1px solid transparent;
}
.dash-table-row:hover { border-color: var(--dex-dark-border); }
.dash-table-row .exc-name { color: #fff; font-size: .8rem; font-weight: 500; font-family: 'JetBrains Mono', monospace; }
.dash-table-row .exc-badge {
    font-size: .65rem;
    font-weight: 600;
    padding: .15rem .45rem;
    border-radius: 4px;
}
.exc-badge.open { background: rgba(221,72,20,.15); color: #e8682e; }
.exc-badge.regressed { background: rgba(245,158,11,.15); color: #fbbf24; }
.dash-table-row .exc-count { color: var(--dex-text-light); font-size: .8rem; font-family: 'JetBrains Mono', monospace; }

/* ── Section styles ── */
.dex-section {
    padding: 5rem 0;
}
.dex-section.alt { background: var(--dex-bg); }
.section-eyebrow {
    font-size: .8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--dex-primary);
    margin-bottom: .5rem;
}
.section-title {
    font-size: clamp(1.75rem, 3.5vw, 2.25rem);
    font-weight: 700;
    color: var(--dex-dark);
    line-height: 1.2;
    letter-spacing: -.015em;
    margin-bottom: .75rem;
}
.section-desc {
    font-size: 1.05rem;
    color: var(--dex-text-muted);
    line-height: 1.6;
    max-width: 560px;
}
.section-desc.center { margin: 0 auto; }

/* ── Feature cards ── */
.feature-card {
    background: var(--dex-white);
    border: 1px solid var(--dex-border);
    border-radius: var(--dex-radius-lg);
    padding: 1.75rem;
    height: 100%;
    transition: all .25s;
}
.feature-card:hover {
    border-color: var(--dex-primary);
    box-shadow: 0 4px 20px rgba(221,72,20,.1);
    transform: translateY(-2px);
}
.feature-icon {
    width: 44px;
    height: 44px;
    background: var(--dex-primary-soft);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: var(--dex-primary);
    font-size: 1.2rem;
}
.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--dex-dark);
    margin-bottom: .5rem;
}
.feature-card p {
    color: var(--dex-text-muted);
    font-size: .9rem;
    line-height: 1.55;
    margin: 0;
}

/* ── Quick Start ── */
.quickstart-step {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    margin-bottom: 1.75rem;
}
.step-num {
    width: 36px;
    height: 36px;
    background: var(--dex-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: .9rem;
    flex-shrink: 0;
    margin-top: .15rem;
}
.step-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dex-dark);
    margin-bottom: .35rem;
}
.step-code {
    background: var(--dex-dark);
    color: #e8ddd4;
    padding: .65rem 1rem;
    border-radius: var(--dex-radius);
    font-family: 'JetBrains Mono', monospace;
    font-size: .85rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
}
.step-code .prompt { color: var(--dex-green); margin-right: .35rem; }
.step-code .copy-btn {
    background: none;
    border: none;
    color: var(--dex-text-light);
    cursor: pointer;
    padding: .15rem;
    font-size: .9rem;
    transition: color .15s;
    flex-shrink: 0;
}
.step-code .copy-btn:hover { color: #fff; }

/* ── How it works ── */
.how-step {
    text-align: center;
    padding: 1.5rem;
}
.how-icon {
    width: 64px;
    height: 64px;
    background: var(--dex-primary-soft);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: var(--dex-primary);
}
.how-step h4 { font-size: 1.05rem; font-weight: 600; color: var(--dex-dark); margin-bottom: .4rem; }
.how-step p { color: var(--dex-text-muted); font-size: .9rem; line-height: 1.5; margin: 0; }
.how-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dex-border);
    font-size: 1.5rem;
    padding-top: 2.5rem;
}

/* ── Dashboard Detail ── */
.detail-preview {
    background: var(--dex-dark);
    border-radius: var(--dex-radius-lg);
    border: 1px solid var(--dex-dark-border);
    overflow: hidden;
    box-shadow: var(--dex-shadow-xl);
}
.detail-topbar {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .75rem 1.25rem;
    border-bottom: 1px solid var(--dex-dark-border);
}
.detail-topbar .tab {
    font-size: .75rem;
    color: var(--dex-text-light);
    padding: .35rem .75rem;
    border-radius: 6px;
    font-weight: 500;
    cursor: default;
}
.detail-topbar .tab.active { background: rgba(255,255,255,.08); color: #fff; }
.detail-body { padding: 1.5rem; }
.detail-issue-row {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .75rem .85rem;
    background: rgba(255,255,255,.03);
    border: 1px solid var(--dex-dark-border);
    border-radius: 8px;
    margin-bottom: .5rem;
}
.detail-issue-row .issue-icon {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.issue-icon.err { background: var(--dex-red); }
.issue-icon.warn { background: var(--dex-amber); }
.detail-issue-row .issue-info { flex: 1; min-width: 0; }
.detail-issue-row .issue-name {
    color: #fff;
    font-size: .8rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.detail-issue-row .issue-meta {
    color: var(--dex-text-light);
    font-size: .7rem;
    margin-top: .15rem;
}
.detail-issue-row .issue-count {
    color: var(--dex-text-light);
    font-size: .8rem;
    font-family: 'JetBrains Mono', monospace;
    flex-shrink: 0;
}

/* ── FAQ ── */
.faq-item {
    border: 1px solid var(--dex-border);
    border-radius: var(--dex-radius-lg);
    margin-bottom: .75rem;
    background: var(--dex-white);
    overflow: hidden;
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.15rem 1.5rem;
    cursor: pointer;
    font-weight: 600;
    font-size: .95rem;
    color: var(--dex-dark);
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    transition: color .15s;
    gap: 1rem;
}
.faq-question:hover { color: var(--dex-primary); }
.faq-question .faq-chevron { transition: transform .25s; font-size: .9rem; color: var(--dex-text-light); flex-shrink: 0; }
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease, padding .3s ease;
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer-inner {
    padding: 0 1.5rem 1.25rem;
    color: var(--dex-text-muted);
    font-size: .9rem;
    line-height: 1.6;
}

/* ── Links Row ── */
.link-card {
    background: var(--dex-white);
    border: 1px solid var(--dex-border);
    border-radius: var(--dex-radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: all .2s;
    text-decoration: none;
    display: block;
    height: 100%;
}
.link-card:hover { border-color: var(--dex-primary); box-shadow: 0 4px 16px rgba(221,72,20,.1); transform: translateY(-2px); }
.link-card i { font-size: 1.5rem; color: var(--dex-primary); margin-bottom: .75rem; display: block; }
.link-card h4 { font-size: 1rem; font-weight: 600; color: var(--dex-dark); margin-bottom: .35rem; }
.link-card p { color: var(--dex-text-muted); font-size: .85rem; margin: 0; line-height: 1.5; }

/* ── Footer ── */
.dex-footer {
    background: var(--dex-dark);
    color: var(--dex-text-light);
    padding: 3rem 0 1.75rem;
}
.dex-footer .footer-brand {
    font-weight: 700;
    font-size: 1.15rem;
    color: #fff;
    display: flex;
    align-items: center;
    gap: .5rem;
    margin-bottom: .75rem;
}
.dex-footer .footer-desc {
    font-size: .85rem;
    color: var(--dex-text-light);
    line-height: 1.6;
    max-width: 280px;
}
.dex-footer h6 {
    color: #fff;
    font-size: .8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: .75rem;
}
.dex-footer ul { list-style: none; padding: 0; margin: 0; }
.dex-footer ul li { margin-bottom: .4rem; }
.dex-footer ul a {
    color: var(--dex-text-light);
    text-decoration: none;
    font-size: .875rem;
    transition: color .15s;
}
.dex-footer ul a:hover { color: #fff; }
.footer-bottom {
    border-top: 1px solid var(--dex-dark-border);
    padding-top: 1.5rem;
    margin-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: .75rem;
}
.footer-bottom span { font-size: .8rem; }
.footer-bottom a { color: var(--dex-primary); text-decoration: none; }

/* ── Responsive ── */
@media (max-width: 991px) {
    .dash-sidebar { display: none; }
}
@media (max-width: 767px) {
    .dex-hero { padding: 3.5rem 0 3rem; }
    .dex-section { padding: 3.5rem 0; }
    .dashboard-preview { margin: 2rem .5rem 0; }
    .how-connector { display: none; }
}

/* ── Animations ── */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}