/* ── CSS Custom Properties ── */
:root {
    --clr-bg:         #f8fafc;
    --clr-surface:    #ffffff;
    --clr-surface2:   #f1f5f9;
    --clr-border:     #e2e8f0;
    --clr-border2:    #cbd5e1;
    --clr-accent:     #0ea5e9;
    --clr-accent2:    #7c3aed;
    --clr-accent3:    #10b981;
    --clr-warn:       #d97706;
    --clr-danger:     #dc2626;
    --clr-success:    #16a34a;
    --clr-text:       #0f172a;
    --clr-text2:      #475569;
    --clr-text3:      #94a3b8;
    --clr-grad1:      linear-gradient(135deg, #0ea5e9 0%, #7c3aed 100%);
    --clr-grad2:      linear-gradient(135deg, #10b981 0%, #0ea5e9 100%);
    --font-display:   'Syne', sans-serif;
    --font-body:      'DM Sans', sans-serif;
    --radius-sm:      6px;
    --radius:         12px;
    --radius-lg:      18px;
    --radius-xl:      24px;
    --shadow-glow:    0 0 40px rgba(0,212,255,0.12);
    --shadow-card:    0 4px 30px rgba(0,0,0,0.4);
    --transition:     0.25s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-body);
    background: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
}
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--clr-surface); }
::-webkit-scrollbar-thumb { background: var(--clr-border2); border-radius: 3px; }

/* ── Cookie Banner ── */
#cookieBanner {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 9999;
background: linear-gradient(90deg, #ffffffee, #f1f5f9ee);
    border-top: 1px solid var(--clr-border2);
    padding: 14px 20px;
    display: flex; align-items: center; flex-wrap: wrap; gap: 12px;
    backdrop-filter: blur(12px);
    transform: translateY(0);
    transition: transform 0.4s ease;
}
#cookieBanner.dismissed { transform: translateY(110%); }
#cookieBanner p { flex: 1; font-size: 0.82rem; color: var(--clr-text2); min-width: 200px; }
#cookieBanner a { color: var(--clr-accent); text-decoration: none; }
#cookieDismiss {
    background: var(--clr-accent); color: #000; border: none;
    padding: 8px 20px; border-radius: var(--radius-sm);
    font-family: var(--font-body); font-weight: 600; cursor: pointer;
    font-size: 0.82rem; white-space: nowrap; transition: opacity var(--transition);
}
#cookieDismiss:hover { opacity: 0.85; }

/* ── Navbar ── */
#navbar {
    position: sticky; top: 0; z-index: 900;
background: rgba(248,250,252,0.95);
    border-bottom: 1px solid var(--clr-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}
.nav-inner {
    max-width: 1280px; margin: 0 auto;
    padding: 0 20px;
    display: flex; align-items: center; justify-content: space-between;
    height: 64px; gap: 16px;
}
.nav-logo {
    font-family: var(--font-display); font-size: 1.2rem; font-weight: 800;
    text-decoration: none; white-space: nowrap;
    background: var(--clr-grad1); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; flex-shrink: 0;
}
.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-links > li { position: relative; }
.nav-links > li > a, .nav-links > li > button {
    display: flex; align-items: center; gap: 5px;
    padding: 8px 14px; border-radius: var(--radius-sm);
    color: var(--clr-text2); text-decoration: none; font-size: 0.88rem;
    background: none; border: none; cursor: pointer; font-family: var(--font-body);
    transition: color var(--transition), background var(--transition);
    white-space: nowrap;
}
.nav-links > li > a:hover, .nav-links > li > button:hover { color: var(--clr-text); background: rgba(255,255,255,0.05); }
.nav-links .active { color: var(--clr-accent) !important; }
.dropdown-menu {
    display: none; position: absolute; top: 100% ; left: 0;
    background: var(--clr-surface); border: 1px solid var(--clr-border2);
    border-radius: var(--radius); min-width: 520px;
    padding: 16px; box-shadow: var(--shadow-card);
    grid-template-columns: 1fr 1fr; gap: 4px; z-index: 999;
}
.nav-links li:hover .dropdown-menu,
.nav-links li:focus-within .dropdown-menu { display: grid; }
.dropdown-menu a {
    display: block; padding: 8px 12px; font-size: 0.82rem;
    color: var(--clr-text2); text-decoration: none;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.dropdown-menu a:hover { color: var(--clr-accent); background: rgba(0,212,255,0.06); }
.dropdown-label {
    font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.1em; color: var(--clr-text3); padding: 4px 12px 8px;
    grid-column: 1/-1;
}
.nav-toggle {
    display: none; background: none; border: 1px solid var(--clr-border2);
    border-radius: var(--radius-sm); color: var(--clr-text);
    padding: 8px 10px; cursor: pointer; font-size: 1rem; flex-shrink: 0;
}
.nav-mobile {
    display: none; flex-direction: column; gap: 2px;
    background: var(--clr-surface); border-bottom: 1px solid var(--clr-border);
    padding: 12px 20px 16px; max-height: 70vh; overflow-y: auto;
}
.nav-mobile.open { display: flex; }
.nav-mobile a, .nav-mobile .mob-section {
    padding: 10px 14px; color: var(--clr-text2); text-decoration: none;
    font-size: 0.88rem; border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}
.nav-mobile a:hover { color: var(--clr-accent); background: rgba(0,212,255,0.06); }
.mob-section { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--clr-text3); margin-top: 8px; }
@media (max-width: 900px) {
    .nav-links { display: none; }
    .nav-toggle { display: flex; align-items: center; }
}

/* ── Container ── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.section-pad { padding: 80px 0; }

/* ── Breadcrumb ── */
.breadcrumb {
    background: var(--clr-surface);
    border-bottom: 1px solid var(--clr-border);
    padding: 12px 0;
}
.breadcrumb ol { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; list-style: none; }
.breadcrumb li { font-size: 0.82rem; color: var(--clr-text3); display: flex; align-items: center; gap: 6px; }
.breadcrumb li:not(:last-child)::after { content: '›'; }
.breadcrumb a { color: var(--clr-text2); text-decoration: none; }
.breadcrumb a:hover { color: var(--clr-accent); }
.breadcrumb li:last-child { color: var(--clr-accent); }

/* ── Hero ── */
#hero {
    position: relative; overflow: hidden;
    padding: 100px 0 80px;
    background: radial-gradient(ellipse 120% 80% at 50% -10%, rgba(124,58,237,0.18) 0%, transparent 60%),
                radial-gradient(ellipse 80% 60% at 80% 80%, rgba(0,212,255,0.08) 0%, transparent 60%),
                var(--clr-bg);
}
#hero::before {
    content: ''; position: absolute; inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 32px 32px; pointer-events: none;
}
.hero-content { position: relative; text-align: center; max-width: 760px; margin: 0 auto; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.25);
    border-radius: 100px; padding: 6px 18px; font-size: 0.8rem;
    color: #ef4444; font-weight: 600; margin-bottom: 24px;
    letter-spacing: 0.04em; text-transform: uppercase;
}
.hero-badge i { font-size: 0.75rem; }
h1.hero-title {
    font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.4rem);
    font-weight: 800; line-height: 1.15; margin-bottom: 20px;
    letter-spacing: -0.02em;
}
.hero-title .grad { background: var(--clr-grad1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 1.05rem; color: var(--clr-text2); max-width: 580px; margin: 0 auto 36px; }
.hero-stats {
    display: flex; justify-content: center; flex-wrap: wrap; gap: 32px;
    padding-top: 20px; border-top: 1px solid var(--clr-border);
    margin-top: 36px;
}
.stat { text-align: center; }
.stat-num {
    font-family: var(--font-display); font-size: 1.6rem; font-weight: 800;
    background: var(--clr-grad1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-label { font-size: 0.8rem; color: var(--clr-text3); margin-top: 2px; }

/* ── Tool Section ── */
#tool { padding: 60px 0 80px; }
.tool-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-xl);
    padding: 36px;
    box-shadow: var(--shadow-card);
    position: relative; overflow: hidden;
}
.tool-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, #ef4444, #7c3aed, #00d4ff);
}
.tool-card h2 { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; margin-bottom: 6px; }
.tool-card p.sub { color: var(--clr-text3); font-size: 0.88rem; margin-bottom: 28px; }

.mode-tabs { display: flex; gap: 4px; background: var(--clr-surface2); border-radius: var(--radius); padding: 4px; margin-bottom: 24px; flex-wrap: wrap; }
.mode-tab {
    flex: 1; padding: 10px 16px; border: none; background: none;
    border-radius: 9px; font-family: var(--font-body); font-size: 0.88rem;
    color: var(--clr-text3); cursor: pointer; font-weight: 500;
    transition: all var(--transition); display: flex; align-items: center; justify-content: center; gap: 7px;
    min-width: 120px;
}
.mode-tab.active { background: var(--clr-surface); color: var(--clr-accent); box-shadow: 0 2px 12px rgba(0,0,0,0.3); }

.input-group { margin-bottom: 16px; }
.input-label { font-size: 0.82rem; font-weight: 600; color: var(--clr-text2); margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.input-label i { color: var(--clr-accent); font-size: 0.8rem; }
.input-wrapper { position: relative; }
.input-field {
    width: 100%; padding: 13px 16px; background: var(--clr-surface2);
    border: 1px solid var(--clr-border2); border-radius: var(--radius);
    color: var(--clr-text); font-family: var(--font-body); font-size: 0.9rem;
    outline: none; transition: border-color var(--transition), box-shadow var(--transition);
    resize: vertical; min-height: 44px;
}
.input-field:focus { border-color: var(--clr-accent); box-shadow: 0 0 0 3px rgba(0,212,255,0.1); }
.input-field.error { border-color: var(--clr-danger); box-shadow: 0 0 0 3px rgba(239,68,68,0.1); }
.input-field.valid { border-color: var(--clr-success); }
textarea.input-field { min-height: 130px; }
.input-validation { font-size: 0.78rem; margin-top: 5px; min-height: 18px; transition: all var(--transition); padding-left: 2px; }
.input-validation.err { color: var(--clr-danger); }
.input-validation.ok  { color: var(--clr-success); }

/* Options Row */
.options-row { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-bottom: 20px; }
.opt-group { display: flex; align-items: center; gap: 8px; }
.opt-group label { font-size: 0.84rem; color: var(--clr-text2); cursor: pointer; }
.opt-group input[type=number] { width: 70px; text-align: center; }
.opt-group select, .opt-group input[type=number] {
    background: var(--clr-surface2); border: 1px solid var(--clr-border2);
    color: var(--clr-text); padding: 8px 12px; border-radius: var(--radius-sm);
    font-family: var(--font-body); font-size: 0.84rem; outline: none; cursor: pointer;
}

/* Link Type Checkboxes */
.type-checks { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
.type-check {
    display: flex; align-items: center; gap: 7px;
    background: var(--clr-surface2); border: 1px solid var(--clr-border2);
    border-radius: var(--radius-sm); padding: 7px 12px; cursor: pointer;
    font-size: 0.82rem; color: var(--clr-text2); transition: all var(--transition);
    user-select: none;
}
.type-check:hover { border-color: var(--clr-accent); color: var(--clr-text); }
.type-check.checked { border-color: var(--clr-accent); background: rgba(0,212,255,0.07); color: var(--clr-accent); }
.type-check i { font-size: 0.75rem; }
.type-check input { display: none; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 13px 28px; border-radius: var(--radius);
    font-family: var(--font-display); font-weight: 700; font-size: 0.95rem;
    cursor: pointer; border: none; transition: all var(--transition);
    text-decoration: none; white-space: nowrap;
}
.btn-primary { background: linear-gradient(135deg,#ef4444,#7c3aed); color: #fff; box-shadow: 0 4px 24px rgba(239,68,68,0.25); }
.btn-primary:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(239,68,68,0.35); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-secondary { background: var(--clr-surface2); border: 1px solid var(--clr-border2); color: var(--clr-text2); }
.btn-secondary:hover { background: var(--clr-border); color: var(--clr-text); }
.btn-success { background: var(--clr-success); color: #fff; }
.btn-danger  { background: var(--clr-danger);  color: #fff; }
.btn-sm { padding: 8px 16px; font-size: 0.82rem; }
.submit-row { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }

/* Progress */
#progressSection { display: none; margin-top: 28px; }
.progress-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; font-size: 0.84rem; }
.progress-label { color: var(--clr-text2); font-weight: 600; }
.progress-count { color: var(--clr-accent); font-family: var(--font-display); font-weight: 700; }
.progress-bar-track { background: var(--clr-surface2); border-radius: 100px; height: 8px; overflow: hidden; }
.progress-bar-fill {
    height: 100%; border-radius: 100px;
    background: linear-gradient(90deg,#ef4444,#7c3aed,#00d4ff);
    width: 0%; transition: width 0.4s ease;
    box-shadow: 0 0 10px rgba(239,68,68,0.4);
}
.progress-status { font-size: 0.78rem; color: var(--clr-text3); margin-top: 8px; font-family: monospace; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.progress-sub { font-size: 0.75rem; color: var(--clr-text3); margin-top: 4px; }

/* Live Log */
#liveLog {
    background: var(--clr-surface2); border: 1px solid var(--clr-border);
    border-radius: var(--radius); padding: 12px 16px; margin-top: 14px;
    max-height: 140px; overflow-y: auto; font-family: monospace; font-size: 0.75rem;
    color: var(--clr-text3); display: none;
}
#liveLog .log-ok   { color: var(--clr-success); }
#liveLog .log-bad  { color: var(--clr-danger); }
#liveLog .log-warn { color: var(--clr-warn); }
#liveLog .log-info { color: var(--clr-accent); }

/* Results */
#resultsSection { display: none; margin-top: 36px; }
.results-header {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 12px; margin-bottom: 20px;
}
.results-title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; }
.results-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* Summary Stats */
.summary-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px; margin-bottom: 24px;
}
.summary-card { background: var(--clr-surface2); border: 1px solid var(--clr-border); border-radius: var(--radius); padding: 16px; text-align: center; }
.summary-card .s-num { font-family: var(--font-display); font-size: 1.8rem; font-weight: 800; line-height: 1; }
.summary-card .s-label { font-size: 0.73rem; color: var(--clr-text3); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.06em; }
.s-total .s-num  { color: var(--clr-accent); }
.s-broken .s-num { color: var(--clr-danger); }
.s-ok .s-num     { color: var(--clr-success); }
.s-pages .s-num  { color: var(--clr-warn); }
.s-ext .s-num    { color: #7c3aed; }

/* Filters */
.filter-row { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.filter-btn {
    padding: 6px 14px; border-radius: 100px; border: 1px solid var(--clr-border2);
    background: var(--clr-surface2); color: var(--clr-text3); font-size: 0.8rem;
    cursor: pointer; transition: all var(--transition); font-family: var(--font-body);
}
.filter-btn.active { background: var(--clr-danger); color: #fff; border-color: var(--clr-danger); font-weight: 600; }
.filter-btn.active.all { background: var(--clr-accent); border-color: var(--clr-accent); color: #000; }
.filter-search {
    margin-left: auto; background: var(--clr-surface2);
    border: 1px solid var(--clr-border2); border-radius: var(--radius-sm);
    color: var(--clr-text); padding: 7px 12px; font-size: 0.82rem;
    font-family: var(--font-body); outline: none; min-width: 180px;
}
.filter-search:focus { border-color: var(--clr-accent); }

/* Page Group */
.page-group { margin-bottom: 28px; }
.page-group-header {
    background: var(--clr-surface2); border: 1px solid var(--clr-border);
    border-radius: var(--radius) var(--radius) 0 0;
    padding: 12px 16px;
    display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}
.page-group-url { font-size: 0.82rem; color: var(--clr-accent); word-break: break-all; font-family: monospace; }
.page-group-stats { display: flex; gap: 8px; flex-wrap: wrap; }
.stat-pill {
    padding: 3px 10px; border-radius: 100px; font-size: 0.72rem; font-weight: 700;
    white-space: nowrap;
}
.pill-total  { background: rgba(0,212,255,0.12); color: var(--clr-accent); }
.pill-broken { background: rgba(239,68,68,0.15); color: var(--clr-danger); }
.pill-ok     { background: rgba(16,185,129,0.15); color: var(--clr-success); }

/* Table */
.table-scroll { overflow-x: auto; border: 1px solid var(--clr-border); border-top: none; border-radius: 0 0 var(--radius) var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
thead tr { background: var(--clr-surface2); }
thead th {
    padding: 10px 14px; text-align: left; font-weight: 700;
    color: var(--clr-text2); white-space: nowrap; border-bottom: 1px solid var(--clr-border);
    cursor: pointer; user-select: none; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em;
}
thead th:hover { color: var(--clr-accent); }
thead th i { margin-left: 4px; font-size: 0.7rem; color: var(--clr-text3); }
tbody tr { border-bottom: 1px solid var(--clr-border); transition: background var(--transition); }
tbody tr:hover { background: rgba(255,255,255,0.02); }
tbody td { padding: 11px 14px; vertical-align: middle; }
.td-url { max-width: 260px; }
.td-url a { color: var(--clr-accent); text-decoration: none; font-size: 0.78rem; word-break: break-all; display: block; }
.td-url a:hover { text-decoration: underline; }
.td-anchor { max-width: 150px; font-size: 0.78rem; color: var(--clr-text2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.status-badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 4px 10px; border-radius: 100px; font-weight: 700; font-size: 0.73rem; white-space: nowrap;
}
.status-ok      { background: rgba(16,185,129,0.15); color: var(--clr-success); }
.status-broken  { background: rgba(239,68,68,0.15);  color: var(--clr-danger); }
.status-redirect{ background: rgba(245,158,11,0.15); color: var(--clr-warn); }
.status-unknown { background: rgba(100,116,139,0.15);color: var(--clr-text3); }
.type-badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 8px; border-radius: 4px; font-size: 0.7rem; font-weight: 600;
    white-space: nowrap;
}
.type-internal { background: rgba(0,212,255,0.1); color: var(--clr-accent); }
.type-external { background: rgba(124,58,237,0.12); color: #a78bfa; }
.type-image    { background: rgba(16,185,129,0.1); color: var(--clr-success); }
.type-css      { background: rgba(245,158,11,0.1); color: var(--clr-warn); }
.type-js       { background: rgba(253,224,71,0.12); color: #fde047; }

/* Spinner */
.spinner {
    display: inline-block; width: 14px; height: 14px;
    border: 2px solid var(--clr-border2); border-top-color: var(--clr-danger);
    border-radius: 50%; animation: spin 0.8s linear infinite; margin-right: 8px;
    vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Features ── */
#features { background: var(--clr-surface); border-top: 1px solid var(--clr-border); border-bottom: 1px solid var(--clr-border); }
.section-head { text-align: center; margin-bottom: 48px; }
.section-label { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: var(--clr-accent); margin-bottom: 12px; }
.section-head h2 { font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 12px; }
.section-head p { color: var(--clr-text2); max-width: 560px; margin: 0 auto; font-size: 0.95rem; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.feat-card {
    background: var(--clr-surface2); border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg); padding: 28px;
    transition: border-color var(--transition), transform var(--transition);
}
.feat-card:hover { border-color: var(--clr-danger); transform: translateY(-3px); }
.feat-icon {
    width: 48px; height: 48px; border-radius: var(--radius);
    background: rgba(239,68,68,0.1); display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; color: #ef4444; margin-bottom: 16px;
}
.feat-card h3 { font-family: var(--font-display); font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feat-card p { font-size: 0.84rem; color: var(--clr-text2); line-height: 1.6; }

/* ── How It Works ── */
#how { padding: 80px 0; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; }
.step { text-align: center; padding: 32px 20px; background: var(--clr-surface); border: 1px solid var(--clr-border); border-radius: var(--radius-lg); }
.step-num {
    width: 44px; height: 44px; border-radius: 50%;
    background: linear-gradient(135deg,#ef4444,#7c3aed); color: #fff;
    font-family: var(--font-display); font-weight: 800; font-size: 1rem;
    display: flex; align-items: center; justify-content: center; margin: 0 auto 16px;
}
.step h3 { font-family: var(--font-display); font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 0.84rem; color: var(--clr-text2); }

/* ── Article ── */
#article { padding: 80px 0; background: var(--clr-surface); border-top: 1px solid var(--clr-border); border-bottom: 1px solid var(--clr-border); }
.article-box { max-width: 820px; margin: 0 auto; background: var(--clr-surface2); border: 1px solid var(--clr-border); border-radius: var(--radius-xl); padding: 40px; }
.article-box h2 { font-family: var(--font-display); font-size: 1.4rem; font-weight: 800; margin-bottom: 16px; }
.article-box p { color: var(--clr-text2); margin-bottom: 14px; font-size: 0.93rem; line-height: 1.8; }
.article-box strong { color: var(--clr-text); }

/* ── FAQ ── */
#faq { padding: 80px 0; }
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--clr-surface); border: 1px solid var(--clr-border); border-radius: var(--radius); }
.faq-q {
    width: 100%; display: flex; justify-content: space-between; align-items: center;
    padding: 18px 20px; background: none; border: none; cursor: pointer;
    font-family: var(--font-body); font-size: 0.93rem; font-weight: 600;
    color: var(--clr-text); text-align: left; gap: 12px; transition: color var(--transition);
}
.faq-q:hover { color: var(--clr-accent); }
.faq-q .faq-icon { color: var(--clr-accent); flex-shrink: 0; transition: transform 0.3s ease; font-size: 0.85rem; }
.faq-q.open .faq-icon { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 20px 18px; font-size: 0.88rem; color: var(--clr-text2); line-height: 1.7; }
.faq-a.open { display: block; }

/* ── CTA ── */
#cta {
    padding: 80px 0;
    background: radial-gradient(ellipse 100% 100% at 50% 50%, rgba(239,68,68,0.12) 0%, transparent 70%);
    border-top: 1px solid var(--clr-border);
}
.cta-box { text-align: center; max-width: 640px; margin: 0 auto; }
.cta-box h2 { font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: 14px; letter-spacing: -0.02em; }
.cta-box p { color: var(--clr-text2); margin-bottom: 32px; font-size: 0.95rem; }
.cta-buttons { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.btn-outline {
    background: none; border: 1px solid var(--clr-border2); color: var(--clr-text2);
    padding: 13px 28px; border-radius: var(--radius);
    font-family: var(--font-display); font-weight: 700; font-size: 0.95rem;
    cursor: pointer; transition: all var(--transition); text-decoration: none;
    display: inline-flex; align-items: center; gap: 8px;
}
.btn-outline:hover { border-color: var(--clr-accent); color: var(--clr-accent); }

/* ── Footer ── */
footer {
    background: #0f172a;
    border-top: 1px solid #1e293b;
    padding: 60px 0 32px;
}

footer .footer-brand p,
footer .footer-bottom p,
footer .disclaimer {
    color: #94a3b8;
}

footer .footer-col h4 {
    color: #64748b;
}

footer .footer-links a,
footer .footer-bottom a {
    color: #64748b;
}

footer .footer-links a:hover,
footer .footer-bottom a:hover {
    color: #38bdf8;
}

.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand .logo { font-family: var(--font-display); font-size: 1.2rem; font-weight: 800; background: var(--clr-grad1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; display: inline-block; margin-bottom: 12px; }
.footer-brand p { font-size: 0.84rem; color: var(--clr-text3); line-height: 1.6; }
.footer-col h4 { font-family: var(--font-display); font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--clr-text3); margin-bottom: 14px; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.footer-links a { color: var(--clr-text3); text-decoration: none; font-size: 0.82rem; padding: 3px 0; transition: color var(--transition); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.footer-links a:hover { color: var(--clr-accent); }
.footer-bottom { border-top: 1px solid var(--clr-border); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 0.78rem; color: var(--clr-text3); }
.footer-bottom a { color: var(--clr-accent); text-decoration: none; }
.disclaimer { font-size: 0.74rem; color: var(--clr-text3); margin-top: 20px; padding: 12px 16px; background: var(--clr-surface2); border-radius: var(--radius-sm); border: 1px solid var(--clr-border); }

/* ── Toast ── */
#toast {
    position: fixed; bottom: 80px; right: 20px; z-index: 8888;
    background: var(--clr-surface); border: 1px solid var(--clr-border2);
    border-radius: var(--radius); padding: 14px 20px;
    font-size: 0.88rem; box-shadow: var(--shadow-card);
    display: none; align-items: center; gap: 10px;
    animation: slideIn 0.3s ease; max-width: 320px;
}
@keyframes slideIn { from { transform: translateX(40px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
.toast-ok  { border-left: 3px solid var(--clr-success); }
.toast-err { border-left: 3px solid var(--clr-danger); }
.toast-info{ border-left: 3px solid var(--clr-accent); }

/* ── Responsive ── */
@media (max-width: 768px) {
    .tool-card { padding: 20px 16px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .hero-stats { gap: 20px; }
    .mode-tabs { flex-direction: column; }
    .mode-tab { min-width: unset; }
    .options-row { gap: 10px; }
    .article-box { padding: 24px 18px; }
    table { font-size: 0.75rem; }
    tbody td { padding: 8px 10px; }
    .summary-grid { grid-template-columns: 1fr 1fr; }
    .filter-search { min-width: 120px; }
    .type-checks { gap: 6px; }
    .page-group-header { flex-direction: column; align-items: flex-start; }
    #liveLog { max-height: 100px; }
}
@media (max-width: 480px) {
    #hero { padding: 60px 0 50px; }
    .hero-stats { gap: 14px; }
    .btn { padding: 11px 20px; font-size: 0.88rem; }
    .summary-grid { grid-template-columns: 1fr 1fr; }
    .results-actions { gap: 6px; }
    .results-actions .btn { padding: 8px 12px; font-size: 0.78rem; }
    .filter-row { gap: 6px; }
    .filter-search { width: 100%; margin-left: 0; }
}

/* Empty State */
.empty-state {
    text-align: center; padding: 40px 20px; color: var(--clr-text3);
}
.empty-state i { font-size: 2.5rem; margin-bottom: 12px; opacity: 0.4; display: block; }
.empty-state p { font-size: 0.88rem; }

/* Collapse group toggle */
.group-toggle { background: none; border: none; color: var(--clr-text3); cursor: pointer; font-size: 0.8rem; padding: 2px 6px; transition: color var(--transition); }
.group-toggle:hover { color: var(--clr-accent); }