/* ==========================================================================
   TrackyLink — design system & site styles
   Dark theme is the default; light theme via html[data-theme="light"].
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
    --bg: #0a0e1a;
    --bg-soft: #0d1424;
    --surface: #101828;
    --surface-2: #15203a;
    --surface-3: #1a2745;
    --border: rgba(148, 163, 184, 0.14);
    --border-strong: rgba(148, 163, 184, 0.28);

    --ink: #e8eef8;
    --ink-2: #a8b5c9;
    --ink-3: #7d8ba1;

    --accent: #10b981;
    --accent-strong: #34d399;
    --accent-2: #22d3ee;
    --accent-ink: #06281c;
    --accent-soft: rgba(16, 185, 129, 0.12);
    --accent-border: rgba(16, 185, 129, 0.35);

    --up: #10b981;
    --warn: #f59e0b;
    --down: #ef4444;
    --up-soft: rgba(16, 185, 129, 0.14);
    --warn-soft: rgba(245, 158, 11, 0.14);
    --down-soft: rgba(239, 68, 68, 0.14);

    --grad-accent: linear-gradient(100deg, #10b981, #22d3ee);
    --grad-text: linear-gradient(100deg, #34d399, #22d3ee);

    --shadow-1: 0 1px 2px rgba(2, 6, 17, 0.4);
    --shadow-2: 0 8px 30px rgba(2, 6, 17, 0.45);
    --shadow-3: 0 24px 70px rgba(2, 6, 17, 0.55);
    --glow: 0 0 40px rgba(16, 185, 129, 0.16);

    --radius-s: 8px;
    --radius-m: 12px;
    --radius-l: 18px;
    --radius-xl: 26px;

    --font: "Inter", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, "Helvetica Neue", Arial, sans-serif;
    --mono: "SF Mono", "JetBrains Mono", "Fira Code", Consolas, "Liberation Mono",
        Menlo, monospace;

    --container: 1180px;
    --header-h: 68px;
}

html[data-theme="light"] {
    --bg: #f6f8fc;
    --bg-soft: #eef2f9;
    --surface: #ffffff;
    --surface-2: #f2f5fb;
    --surface-3: #e8edf7;
    --border: rgba(15, 23, 42, 0.1);
    --border-strong: rgba(15, 23, 42, 0.2);

    --ink: #0f1a2e;
    --ink-2: #45566e;
    --ink-3: #64748b;

    --accent: #059669;
    --accent-strong: #047857;
    --accent-2: #0891b2;
    --accent-ink: #ffffff;
    --accent-soft: rgba(5, 150, 105, 0.1);
    --accent-border: rgba(5, 150, 105, 0.3);

    --up: #059669;
    --warn: #d97706;
    --down: #dc2626;
    --up-soft: rgba(5, 150, 105, 0.12);
    --warn-soft: rgba(217, 119, 6, 0.13);
    --down-soft: rgba(220, 38, 38, 0.1);

    --grad-accent: linear-gradient(100deg, #059669, #0891b2);
    --grad-text: linear-gradient(100deg, #047857, #0e7490);

    --shadow-1: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-2: 0 8px 30px rgba(15, 23, 42, 0.08);
    --shadow-3: 0 24px 70px rgba(15, 23, 42, 0.12);
    --glow: 0 0 40px rgba(5, 150, 105, 0.1);
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 20px);
}

body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    transition: background 0.3s ease, color 0.3s ease;
}

img,
svg {
    max-width: 100%;
    vertical-align: middle;
}

h1, h2, h3, h4 {
    margin: 0 0 0.5em;
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.02em;
}

p {
    margin: 0 0 1em;
}

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

a:hover {
    text-decoration: underline;
}

ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

button {
    font-family: inherit;
}

.container {
    width: min(var(--container), 100% - 48px);
    margin-inline: auto;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -48px;
    left: 16px;
    z-index: 200;
    padding: 10px 16px;
    background: var(--accent);
    color: var(--accent-ink);
    border-radius: var(--radius-s);
    font-weight: 600;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 12px;
}

::selection {
    background: rgba(16, 185, 129, 0.35);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.3;
    cursor: pointer;
    white-space: nowrap;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease,
        border-color 0.2s ease, color 0.2s ease;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--grad-accent);
    color: #04211a;
    box-shadow: 0 4px 18px rgba(16, 185, 129, 0.35);
}

html[data-theme="light"] .btn-primary {
    color: #ffffff;
    box-shadow: 0 4px 18px rgba(5, 150, 105, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 8px 26px rgba(16, 185, 129, 0.45);
}

.btn-outline {
    border-color: var(--border-strong);
    color: var(--ink);
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.btn-ghost {
    color: var(--ink-2);
    background: transparent;
}

.btn-ghost:hover {
    color: var(--ink);
    background: var(--surface-2);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
    border-radius: 12px;
}

.btn-block {
    width: 100%;
}

.btn[disabled] {
    opacity: 0.6;
    cursor: wait;
    transform: none;
}

/* ---------- Announcement bar ---------- */
.announce {
    background: linear-gradient(90deg, rgba(16, 185, 129, 0.14), rgba(34, 211, 238, 0.1));
    border-bottom: 1px solid var(--border);
    font-size: 13.5px;
    color: var(--ink-2);
}

.announce-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    padding: 8px 0;
    text-align: center;
}

.announce strong {
    color: var(--ink);
}

.announce-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--up);
    animation: pulse-dot 2s ease-in-out infinite;
}

.announce-link {
    font-weight: 600;
}

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: color-mix(in srgb, var(--bg) 82%, transparent);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-stuck {
    border-bottom-color: var(--border);
    box-shadow: var(--shadow-1);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 28px;
    height: var(--header-h);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 19px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--ink);
}

.brand:hover {
    text-decoration: none;
}

.brand-mark-bg {
    fill: #0b1626;
}

html[data-theme="light"] .brand-mark-bg {
    fill: #0f1a2e;
}

.brand-accent {
    background: var(--grad-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.main-nav {
    margin-left: 8px;
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 9px;
    color: var(--ink-2);
    font-size: 15px;
    font-weight: 500;
    transition: color 0.15s ease, background 0.15s ease;
}

.nav-link:hover {
    color: var(--ink);
    background: var(--surface-2);
    text-decoration: none;
}

.nav-link.is-active {
    color: var(--ink);
    background: var(--surface-2);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-actions-mobile {
    display: none;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: transparent;
    color: var(--ink-2);
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.theme-toggle:hover {
    color: var(--ink);
    border-color: var(--border-strong);
    background: var(--surface-2);
}

.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }

html[data-theme="light"] .theme-toggle .icon-sun { display: block; }
html[data-theme="light"] .theme-toggle .icon-moon { display: none; }

.nav-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: transparent;
    cursor: pointer;
}

.nav-burger span {
    display: block;
    height: 2px;
    border-radius: 2px;
    background: var(--ink);
    transition: transform 0.25s ease, opacity 0.2s ease;
}

body.nav-open .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-burger span:nth-child(2) { opacity: 0; }
body.nav-open .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Sections & headings ---------- */
.section {
    padding: 88px 0;
}

.section-tight {
    padding: 56px 0;
}

.section-alt {
    background: var(--bg-soft);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-head {
    max-width: 680px;
    margin: 0 auto 52px;
    text-align: center;
}

.section-head h2 {
    font-size: clamp(28px, 4vw, 40px);
}

.section-head p {
    font-size: 17.5px;
    color: var(--ink-2);
    margin: 0;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    padding: 5px 14px;
    border: 1px solid var(--accent-border);
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.text-grad {
    background: var(--grad-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ---------- Reveal on scroll ----------
   Hidden initial state only applies when JS is present (html.js),
   so content stays visible without JavaScript. */
html.js .reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

html.js .reveal.is-visible {
    opacity: 1;
    transform: none;
}

.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    html.js .reveal { opacity: 1; transform: none; transition: none; }
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding: 84px 0 70px;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: -40% -20% auto;
    height: 720px;
    background:
        radial-gradient(560px 340px at 22% 30%, rgba(16, 185, 129, 0.16), transparent 65%),
        radial-gradient(620px 380px at 80% 20%, rgba(34, 211, 238, 0.12), transparent 65%);
    pointer-events: none;
}

html[data-theme="light"] .hero::before {
    background:
        radial-gradient(560px 340px at 22% 30%, rgba(5, 150, 105, 0.1), transparent 65%),
        radial-gradient(620px 380px at 80% 20%, rgba(8, 145, 178, 0.08), transparent 65%);
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
    gap: 56px;
}

.hero h1 {
    font-size: clamp(34px, 5vw, 56px);
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.hero-sub {
    font-size: 18.5px;
    color: var(--ink-2);
    max-width: 520px;
    margin-bottom: 28px;
}

.hero-form {
    display: flex;
    gap: 10px;
    max-width: 460px;
    margin-bottom: 16px;
}

.hero-form input {
    flex: 1;
    min-width: 0;
}

.hero-note {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    font-size: 13.5px;
    color: var(--ink-3);
}

.hero-note span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.hero-note svg {
    color: var(--up);
    flex: none;
}

/* ---------- Hero dashboard mockup ---------- */
.dash {
    position: relative;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: color-mix(in srgb, var(--surface) 88%, transparent);
    box-shadow: var(--shadow-3), var(--glow);
    overflow: hidden;
}

.dash-top {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    background: var(--surface-2);
}

.dash-dots {
    display: flex;
    gap: 6px;
}

.dash-dots i {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-strong);
}

.dash-dots i:first-child { background: #f87171; }
.dash-dots i:nth-child(2) { background: #fbbf24; }
.dash-dots i:nth-child(3) { background: #34d399; }

.dash-url {
    flex: 1;
    padding: 5px 12px;
    border-radius: 7px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--ink-3);
    font-family: var(--mono);
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dash-body {
    padding: 18px;
    display: grid;
    gap: 14px;
}

.dash-kpis {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.kpi {
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
    background: var(--surface-2);
}

.kpi-label {
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--ink-3);
    margin-bottom: 4px;
}

.kpi-value {
    font-size: 21px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

.kpi-value small {
    font-size: 12px;
    font-weight: 600;
    color: var(--ink-3);
    margin-left: 2px;
}

.kpi-up .kpi-value { color: var(--up); }

.dash-chart {
    position: relative;
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
    background: var(--surface-2);
    padding: 14px 14px 8px;
}

.dash-chart-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 6px;
}

.dash-chart-title {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--ink-2);
}

.dash-chart-meta {
    font-size: 11.5px;
    color: var(--ink-3);
    font-variant-numeric: tabular-nums;
}

.dash-chart canvas {
    display: block;
    width: 100%;
    height: 120px;
}

.dash-monitors {
    display: grid;
    gap: 8px;
}

.dash-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
    background: var(--surface-2);
    font-size: 13.5px;
}

.dash-row-name {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    min-width: 0;
}

.dash-row-name span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dash-row-meta {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--ink-3);
    font-variant-numeric: tabular-nums;
}

/* status dots & chips */
.status-dot {
    flex: none;
    width: 9px;
    height: 9px;
    border-radius: 50%;
}

.status-dot-up {
    background: var(--up);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5);
    animation: pulse-ring 2.4s ease-out infinite;
}

.status-dot-warn { background: var(--warn); }

.status-dot-down {
    background: var(--down);
    animation: blink 1.1s steps(2, start) infinite;
}

@keyframes pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.45); }
    70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.45; }
}

@keyframes blink {
    50% { opacity: 0.35; }
}

.status-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid;
}

.status-chip-up {
    color: var(--up);
    background: var(--up-soft);
    border-color: var(--accent-border);
}

.status-chip-up:hover {
    text-decoration: none;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}

.badge-up { color: var(--up); background: var(--up-soft); }
.badge-warn { color: var(--warn); background: var(--warn-soft); }
.badge-down { color: var(--down); background: var(--down-soft); }

/* Floating alert card overhanging the dashboard (sibling of .dash) */
.hero-visual {
    position: relative;
}

.dash-alert {
    position: absolute;
    right: -18px;
    bottom: -24px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    width: 270px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    background: var(--surface);
    box-shadow: var(--shadow-2);
    animation: float 5s ease-in-out infinite;
}

.dash-alert-icon {
    flex: none;
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--up-soft);
    color: var(--up);
}

.dash-alert-title {
    font-size: 13.5px;
    font-weight: 700;
    margin-bottom: 2px;
}

.dash-alert-text {
    font-size: 12.5px;
    color: var(--ink-3);
    margin: 0;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-9px); }
}

/* ---------- Logo strip ---------- */
.logos {
    padding: 34px 0 10px;
}

.logos-label {
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-3);
    margin-bottom: 22px;
}

.logos-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 18px 44px;
}

.logo-item {
    font-size: 19px;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: var(--ink-3);
    opacity: 0.75;
    transition: opacity 0.2s ease, color 0.2s ease;
}

.logo-item:hover {
    opacity: 1;
    color: var(--ink-2);
}

/* ---------- Forms ---------- */
input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    background: var(--surface);
    color: var(--ink);
    font-family: inherit;
    font-size: 15px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input::placeholder,
textarea::placeholder {
    color: var(--ink-3);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

textarea {
    resize: vertical;
    min-height: 130px;
}

.field {
    margin-bottom: 18px;
}

.field label {
    display: block;
    margin-bottom: 7px;
    font-size: 14px;
    font-weight: 600;
}

.field-error {
    margin: 6px 0 0;
    font-size: 13px;
    color: var(--down);
}

.field.has-error input,
.field.has-error textarea {
    border-color: var(--down);
}

.form-alert {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 14px 16px;
    margin-bottom: 22px;
    border-radius: var(--radius-m);
    font-size: 14.5px;
}

.form-alert-success {
    background: var(--up-soft);
    border: 1px solid var(--accent-border);
    color: var(--up);
}

.form-alert-error {
    background: var(--down-soft);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: var(--down);
}

/* ---------- Instant check widget ---------- */
.checker {
    max-width: 860px;
    margin: 0 auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--surface);
    box-shadow: var(--shadow-2);
    overflow: hidden;
}

.checker-form {
    display: flex;
    gap: 10px;
    padding: 22px;
}

.checker-form input {
    flex: 1;
    min-width: 0;
    font-family: var(--mono);
    font-size: 14.5px;
}

.checker-hint {
    padding: 0 22px 18px;
    margin: 0;
    font-size: 13px;
    color: var(--ink-3);
}

.checker-results {
    border-top: 1px solid var(--border);
    padding: 22px;
    display: none;
}

.checker-results.is-open {
    display: block;
    animation: fade-up 0.4s ease;
}

@keyframes fade-up {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: none; }
}

.checker-summary {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 22px;
    margin-bottom: 18px;
}

.checker-verdict {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 19px;
    font-weight: 800;
}

.checker-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    font-size: 13.5px;
    color: var(--ink-2);
}

.checker-facts b {
    color: var(--ink);
    font-variant-numeric: tabular-nums;
}

.checker-table {
    display: grid;
    gap: 8px;
}

.checker-region {
    display: grid;
    grid-template-columns: 170px 1fr 84px 70px;
    align-items: center;
    gap: 14px;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
    background: var(--surface-2);
    font-size: 13.5px;
    opacity: 0;
    transform: translateX(-8px);
    animation: region-in 0.35s ease forwards;
}

@keyframes region-in {
    to { opacity: 1; transform: none; }
}

.checker-region-name {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.latency-track {
    height: 6px;
    border-radius: 4px;
    background: var(--surface-3);
    overflow: hidden;
}

.latency-fill {
    height: 100%;
    width: 0;
    border-radius: 4px;
    background: var(--grad-accent);
    transition: width 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.latency-fill.is-warn { background: var(--warn); }
.latency-fill.is-down { background: var(--down); }

.checker-ms {
    text-align: right;
    font-family: var(--mono);
    font-size: 12.5px;
    color: var(--ink-2);
    font-variant-numeric: tabular-nums;
}

.checker-status {
    text-align: right;
}

.checker-error {
    padding: 14px 16px;
    border-radius: var(--radius-m);
    background: var(--down-soft);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: var(--down);
    font-size: 14.5px;
}

.checker-loading {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--ink-2);
    font-size: 14.5px;
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2.5px solid var(--border-strong);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---------- Stats band ---------- */
.stats-band {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat {
    text-align: center;
    padding: 26px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    background: var(--surface);
}

.stat-value {
    font-size: clamp(28px, 3.4vw, 40px);
    font-weight: 800;
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
    background: var(--grad-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.stat-label {
    margin-top: 4px;
    font-size: 14px;
    color: var(--ink-2);
}

/* ---------- Feature cards ---------- */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.card {
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    background: var(--surface);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-border);
    box-shadow: var(--shadow-2);
}

.card-icon {
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    margin-bottom: 18px;
    border-radius: 12px;
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.card h3 {
    font-size: 18.5px;
    margin-bottom: 8px;
}

.card p {
    font-size: 14.8px;
    color: var(--ink-2);
    margin: 0;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 14px;
    font-size: 14px;
    font-weight: 600;
}

/* ---------- Tabs (monitor types) ---------- */
.tabs {
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--surface);
    box-shadow: var(--shadow-2);
    overflow: hidden;
}

.tab-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 12px;
    border-bottom: 1px solid var(--border);
    background: var(--surface-2);
}

.tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border: 1px solid transparent;
    border-radius: 10px;
    background: transparent;
    color: var(--ink-2);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.tab-btn:hover {
    color: var(--ink);
    background: var(--surface-3);
}

.tab-btn[aria-selected="true"] {
    color: var(--accent-strong);
    background: var(--accent-soft);
    border-color: var(--accent-border);
}

.tab-panel {
    display: none;
    padding: 30px;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 34px;
    align-items: center;
}

.tab-panel.is-active {
    display: grid;
    animation: fade-up 0.35s ease;
}

.tab-panel h3 {
    font-size: 23px;
}

.tab-panel > div > p {
    color: var(--ink-2);
    font-size: 15.5px;
}

.tab-points {
    display: grid;
    gap: 10px;
    margin-top: 18px;
}

.tab-points li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: 14.5px;
    color: var(--ink-2);
}

.tab-points svg {
    flex: none;
    margin-top: 3px;
    color: var(--up);
}

/* terminal mockup inside tabs */
.term {
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    background: #0b1020;
    box-shadow: var(--shadow-2);
    overflow: hidden;
    font-family: var(--mono);
    font-size: 12.8px;
    line-height: 1.75;
}

html[data-theme="light"] .term {
    background: #0f1a2e;
}

.term-top {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    color: #94a3b8;
    font-size: 11.5px;
}

.term-body {
    padding: 16px 18px;
    color: #cbd5e1;
    overflow-x: auto;
}

.term-body .t-green { color: #34d399; }
.term-body .t-cyan { color: #22d3ee; }
.term-body .t-amber { color: #fbbf24; }
.term-body .t-red { color: #f87171; }
.term-body .t-dim { color: #64748b; }

/* ---------- How it works ---------- */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    counter-reset: step;
}

.step {
    position: relative;
    padding: 30px 26px;
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    background: var(--surface);
}

.step-num {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    margin-bottom: 18px;
    border-radius: 50%;
    background: var(--grad-accent);
    color: #04211a;
    font-weight: 800;
    font-size: 16px;
}

html[data-theme="light"] .step-num {
    color: #fff;
}

.step h3 {
    font-size: 18px;
}

.step p {
    font-size: 14.6px;
    color: var(--ink-2);
    margin: 0;
}

/* ---------- Integrations ---------- */
.integrations {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.integration {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 10px 18px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
    font-size: 14.5px;
    font-weight: 600;
    color: var(--ink-2);
    transition: transform 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.integration:hover {
    transform: translateY(-2px);
    border-color: var(--accent-border);
    color: var(--ink);
}

.integration-icon {
    display: inline-grid;
    place-items: center;
    width: 22px;
    height: 22px;
    border-radius: 6px;
    font-size: 12px;
    color: #fff;
    font-weight: 800;
}

/* ---------- Locations ---------- */
.locations-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.location {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 9px 16px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
    font-size: 14px;
    font-weight: 600;
}

.location .status-dot {
    width: 7px;
    height: 7px;
}

.location code {
    font-family: var(--mono);
    font-size: 11.5px;
    color: var(--ink-3);
}

/* ---------- Testimonials ---------- */
.testimonials {
    position: relative;
    max-width: 780px;
    margin: 0 auto;
}

.testimonial-track {
    overflow: hidden;
    border-radius: var(--radius-xl);
}

.testimonial-rail {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.testimonial {
    flex: 0 0 100%;
    /* Reset the browser's default <figure> margin — each slide must be
       exactly 100% wide for the rail's translateX math to line up. */
    margin: 0;
    padding: 42px 48px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--surface);
    text-align: center;
}

.testimonial blockquote {
    margin: 0 0 24px;
    font-size: clamp(17px, 2.2vw, 21px);
    line-height: 1.55;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.testimonial-who {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.avatar {
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--grad-accent);
    color: #04211a;
    font-weight: 800;
    font-size: 15px;
}

html[data-theme="light"] .avatar {
    color: #fff;
}

.testimonial-name {
    font-weight: 700;
    font-size: 15px;
    text-align: left;
}

.testimonial-role {
    font-size: 13px;
    color: var(--ink-3);
    text-align: left;
}

.testimonial-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
}

.testimonial-arrow {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-strong);
    border-radius: 50%;
    background: transparent;
    color: var(--ink-2);
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.testimonial-arrow:hover {
    border-color: var(--accent);
    color: var(--accent-strong);
    background: var(--accent-soft);
}

.testimonial-dots {
    display: flex;
    gap: 8px;
}

.testimonial-dot {
    width: 9px;
    height: 9px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: var(--border-strong);
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}

.testimonial-dot.is-active {
    background: var(--accent);
    transform: scale(1.25);
}

/* ---------- Pricing ---------- */
.billing-toggle {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin: 0 auto 44px;
    padding: 8px 18px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
}

.billing-toggle-label {
    font-size: 14.5px;
    font-weight: 600;
    color: var(--ink-3);
    cursor: pointer;
    transition: color 0.2s ease;
}

.billing-toggle-label.is-on {
    color: var(--ink);
}

.switch {
    position: relative;
    width: 46px;
    height: 26px;
    border: none;
    border-radius: 999px;
    background: var(--accent);
    cursor: pointer;
    transition: background 0.2s ease;
}

.switch::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

.switch[aria-checked="true"]::after {
    transform: translateX(20px);
}

.save-pill {
    padding: 3px 10px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-size: 12px;
    font-weight: 700;
}

.plans {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    align-items: stretch;
}

.plan {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 32px 28px;
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    background: var(--surface);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.plan:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2);
}

.plan-popular {
    border-color: var(--accent-border);
    background:
        linear-gradient(var(--surface), var(--surface)) padding-box,
        var(--grad-accent) border-box;
    border: 1.5px solid transparent;
    box-shadow: var(--glow), var(--shadow-2);
}

.plan-flag {
    position: absolute;
    top: -13px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 14px;
    border-radius: 999px;
    background: var(--grad-accent);
    color: #04211a;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    white-space: nowrap;
}

html[data-theme="light"] .plan-flag {
    color: #fff;
}

.plan-name {
    font-size: 20px;
    margin-bottom: 2px;
}

.plan-tag {
    font-size: 13.5px;
    color: var(--ink-3);
    margin-bottom: 18px;
}

.plan-price {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 4px;
}

.plan-amount {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
}

.plan-period {
    color: var(--ink-3);
    font-size: 14px;
}

.plan-billed {
    min-height: 20px;
    font-size: 12.5px;
    color: var(--ink-3);
    margin-bottom: 20px;
}

.plan-cta {
    margin-bottom: 24px;
}

.plan-features {
    display: grid;
    gap: 10px;
    font-size: 14.3px;
    color: var(--ink-2);
}

.plan-features li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.plan-features svg {
    flex: none;
    margin-top: 3px;
    color: var(--up);
}

/* pricing calculator */
.calculator {
    max-width: 860px;
    margin: 56px auto 0;
    padding: 34px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--surface);
    box-shadow: var(--shadow-2);
}

.calculator h3 {
    font-size: 21px;
    margin-bottom: 4px;
}

.calculator > p {
    color: var(--ink-2);
    font-size: 14.5px;
    margin-bottom: 26px;
}

.calc-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 34px;
    align-items: center;
}

.calc-row {
    margin-bottom: 24px;
}

.calc-row-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 10px;
    font-size: 14.5px;
    font-weight: 600;
}

.calc-row-head output {
    font-variant-numeric: tabular-nums;
    color: var(--accent-strong);
    font-weight: 800;
}

input[type="range"] {
    width: 100%;
    height: 6px;
    appearance: none;
    -webkit-appearance: none;
    border-radius: 4px;
    background: linear-gradient(to right, var(--accent) var(--fill, 20%), var(--surface-3) var(--fill, 20%));
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--accent);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: transform 0.15s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--accent);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.calc-intervals {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.calc-interval {
    padding: 8px 16px;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    background: transparent;
    color: var(--ink-2);
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.calc-interval[aria-pressed="true"] {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.calc-result {
    text-align: center;
    padding: 28px 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    background: var(--surface-2);
}

.calc-plan-name {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-strong);
    margin-bottom: 8px;
}

.calc-price {
    font-size: 46px;
    font-weight: 800;
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
}

.calc-price small {
    font-size: 15px;
    font-weight: 600;
    color: var(--ink-3);
}

.calc-note {
    font-size: 13px;
    color: var(--ink-3);
    margin: 6px 0 18px;
}

/* comparison table */
.compare-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    background: var(--surface);
}

.compare {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
    font-size: 14.3px;
}

.compare th,
.compare td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.compare thead th {
    font-size: 15px;
    background: var(--surface-2);
}

.compare thead th:first-child {
    width: 32%;
}

.compare tbody tr:last-child td {
    border-bottom: none;
}

.compare tbody tr:hover td {
    background: var(--surface-2);
}

.compare td {
    color: var(--ink-2);
}

.compare td:first-child {
    color: var(--ink);
    font-weight: 600;
}

.compare .yes {
    color: var(--up);
    font-weight: 700;
}

.compare .no {
    color: var(--ink-3);
}

/* downtime calculator */
.downtime-result {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 8px;
}

.downtime-cell {
    padding: 18px 14px;
    text-align: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
    background: var(--surface-2);
}

.downtime-cell b {
    display: block;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
    color: var(--down);
}

.downtime-cell.is-good b {
    color: var(--up);
}

.downtime-cell span {
    font-size: 12.5px;
    color: var(--ink-3);
}

/* ---------- FAQ accordion ---------- */
.faq {
    max-width: 760px;
    margin: 0 auto;
    display: grid;
    gap: 12px;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
    background: var(--surface);
    overflow: hidden;
    transition: border-color 0.2s ease;
}

.faq-item.is-open {
    border-color: var(--accent-border);
}

.faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    padding: 18px 22px;
    border: none;
    background: transparent;
    color: var(--ink);
    font-size: 15.5px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
}

.faq-q svg {
    flex: none;
    color: var(--ink-3);
    transition: transform 0.25s ease, color 0.2s ease;
}

.faq-item.is-open .faq-q svg {
    transform: rotate(45deg);
    color: var(--accent-strong);
}

.faq-a {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.3s ease;
}

.faq-item.is-open .faq-a {
    grid-template-rows: 1fr;
}

.faq-a-inner {
    overflow: hidden;
}

.faq-a p {
    padding: 0 22px 20px;
    margin: 0;
    font-size: 14.6px;
    color: var(--ink-2);
}

/* ---------- Status page ---------- */
.status-hero {
    padding: 56px 0 30px;
}

.status-banner {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 22px 26px;
    border-radius: var(--radius-l);
    border: 1px solid var(--accent-border);
    background: var(--up-soft);
}

.status-banner-icon {
    display: grid;
    place-items: center;
    flex: none;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--up);
    color: #fff;
}

.status-banner h1 {
    font-size: 22px;
    margin: 0;
}

.status-banner p {
    margin: 2px 0 0;
    font-size: 13.5px;
    color: var(--ink-2);
}

.status-banner time {
    margin-left: auto;
    font-size: 13px;
    color: var(--ink-3);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.uptime-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    margin: 0 0 14px;
    font-size: 12.5px;
    color: var(--ink-3);
}

.uptime-legend span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.legend-swatch {
    width: 10px;
    height: 10px;
    border-radius: 3px;
}

.monitor-card {
    padding: 24px 26px;
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    background: var(--surface);
    margin-bottom: 16px;
}

.monitor-head {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px 14px;
    margin-bottom: 16px;
}

.monitor-name {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16.5px;
    font-weight: 700;
}

.monitor-uptime {
    margin-left: auto;
    font-size: 13.5px;
    color: var(--ink-2);
    font-variant-numeric: tabular-nums;
}

.monitor-uptime b {
    color: var(--ink);
}

.uptime-bars {
    display: flex;
    gap: 3px;
    height: 34px;
}

.uptime-bar {
    flex: 1;
    min-width: 0;
    border-radius: 3px;
    background: var(--up);
    opacity: 0.9;
    cursor: pointer;
    transition: opacity 0.15s ease, transform 0.15s ease;
}

.uptime-bar:hover {
    opacity: 1;
    transform: scaleY(1.12);
}

.uptime-bar.is-warn { background: var(--warn); }
.uptime-bar.is-down { background: var(--down); }
.uptime-bar.is-empty { background: var(--surface-3); }

.uptime-bar-range {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 12px;
    color: var(--ink-3);
}

/* shared chart tooltip (status page) */
.chart-tip {
    position: fixed;
    z-index: 90;
    max-width: 260px;
    padding: 10px 13px;
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    background: var(--surface);
    box-shadow: var(--shadow-2);
    font-size: 12.8px;
    line-height: 1.5;
    pointer-events: none;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.12s ease, transform 0.12s ease;
}

.chart-tip.is-visible {
    opacity: 1;
    transform: none;
}

.chart-tip b {
    font-variant-numeric: tabular-nums;
}

.chart-tip .tip-label {
    color: var(--ink-3);
    font-size: 11.5px;
}

/* response chart */
.resp-chart-card {
    padding: 24px 26px;
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    background: var(--surface);
}

.resp-chart-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 16px;
    margin-bottom: 14px;
}

.resp-chart-head h2 {
    font-size: 17px;
    margin: 0;
}

.resp-chart-head .range-group {
    margin-left: auto;
    display: flex;
    gap: 6px;
}

.range-btn {
    padding: 6px 13px;
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    background: transparent;
    color: var(--ink-2);
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.range-btn[aria-pressed="true"] {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.resp-chart-wrap {
    position: relative;
}

.resp-chart-wrap svg {
    display: block;
    width: 100%;
    height: auto;
}

.resp-crosshair {
    stroke: var(--border-strong);
    stroke-width: 1;
    stroke-dasharray: 3 3;
}

/* incidents */
.incident {
    display: flex;
    gap: 18px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}

.incident:last-child {
    border-bottom: none;
}

.incident-icon {
    flex: none;
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
}

.incident-icon.is-down { background: var(--down-soft); color: var(--down); }
.incident-icon.is-warn { background: var(--warn-soft); color: var(--warn); }
.incident-icon.is-ok { background: var(--up-soft); color: var(--up); }

.incident h3 {
    font-size: 15.5px;
    margin-bottom: 3px;
}

.incident p {
    font-size: 14px;
    color: var(--ink-2);
    margin-bottom: 4px;
}

.incident time {
    font-size: 12.5px;
    color: var(--ink-3);
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
    position: relative;
    padding: 72px 0 56px;
    text-align: center;
    overflow: hidden;
}

.page-hero::before {
    content: "";
    position: absolute;
    inset: -60% 0 auto;
    height: 500px;
    background: radial-gradient(600px 300px at 50% 20%, rgba(16, 185, 129, 0.13), transparent 65%);
    pointer-events: none;
}

html[data-theme="light"] .page-hero::before {
    background: radial-gradient(600px 300px at 50% 20%, rgba(5, 150, 105, 0.09), transparent 65%);
}

.page-hero h1 {
    position: relative;
    font-size: clamp(32px, 4.6vw, 48px);
    letter-spacing: -0.03em;
}

.page-hero p {
    position: relative;
    max-width: 620px;
    margin: 0 auto;
    font-size: 17.5px;
    color: var(--ink-2);
}

/* ---------- Feature split rows ---------- */
.feature-split {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 60px;
    align-items: center;
    padding: 44px 0;
}

.feature-split.is-flipped > .feature-split-copy {
    order: 2;
}

.feature-split h2 {
    font-size: clamp(24px, 3vw, 32px);
}

.feature-split p {
    color: var(--ink-2);
    font-size: 15.8px;
}

.feature-points {
    display: grid;
    gap: 12px;
    margin-top: 20px;
}

.feature-points li {
    display: flex;
    gap: 11px;
    align-items: flex-start;
    font-size: 14.8px;
    color: var(--ink-2);
}

.feature-points svg {
    flex: none;
    margin-top: 3px;
    color: var(--up);
}

.feature-visual {
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--surface);
    box-shadow: var(--shadow-2);
    padding: 22px;
}

/* mock notification list used in features */
.mock-alerts {
    display: grid;
    gap: 10px;
}

.mock-alert {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 13px 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
    background: var(--surface-2);
}

.mock-alert-icon {
    flex: none;
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 9px;
    color: #fff;
    font-size: 13px;
    font-weight: 800;
}

.mock-alert b {
    display: block;
    font-size: 13.5px;
}

.mock-alert span {
    font-size: 12.5px;
    color: var(--ink-3);
}

.mock-alert time {
    margin-left: auto;
    flex: none;
    font-size: 11.5px;
    color: var(--ink-3);
}

/* ---------- Auth pages ---------- */
.auth-wrap {
    display: grid;
    place-items: center;
    min-height: calc(100vh - 260px);
    padding: 60px 0;
}

.auth-card {
    width: min(440px, 100%);
    padding: 38px 36px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--surface);
    box-shadow: var(--shadow-2);
}

.auth-card h1 {
    font-size: 26px;
    text-align: center;
    margin-bottom: 6px;
}

.auth-sub {
    text-align: center;
    font-size: 14.5px;
    color: var(--ink-2);
    margin-bottom: 26px;
}

.auth-alt {
    display: grid;
    gap: 10px;
    margin-bottom: 22px;
}

.btn-social {
    width: 100%;
    border: 1px solid var(--border-strong);
    background: var(--surface-2);
    color: var(--ink);
    font-weight: 600;
}

.btn-social:hover {
    border-color: var(--border-strong);
    background: var(--surface-3);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 4px 0 20px;
    color: var(--ink-3);
    font-size: 12.5px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
}

.password-field {
    position: relative;
}

.password-field input {
    padding-right: 46px;
}

.password-toggle {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--ink-3);
    cursor: pointer;
}

.password-toggle:hover {
    color: var(--ink);
    background: var(--surface-2);
}

.auth-foot {
    margin-top: 22px;
    text-align: center;
    font-size: 14px;
    color: var(--ink-2);
}

.auth-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: -6px 0 18px;
    font-size: 13.5px;
}

.check-inline {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    color: var(--ink-2);
    cursor: pointer;
}

.check-inline input {
    width: auto;
    accent-color: var(--accent);
}

/* ---------- Contact ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
    gap: 40px;
    align-items: start;
}

.contact-card {
    display: flex;
    gap: 16px;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius-l);
    background: var(--surface);
    margin-bottom: 16px;
}

.contact-card .card-icon {
    margin-bottom: 0;
    flex: none;
}

.contact-card h3 {
    font-size: 16px;
    margin-bottom: 4px;
}

.contact-card p {
    font-size: 14px;
    color: var(--ink-2);
    margin: 0;
}

.contact-form-card {
    padding: 34px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--surface);
    box-shadow: var(--shadow-2);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

/* ---------- Legal / prose pages ---------- */
.prose {
    max-width: 760px;
    margin: 0 auto;
    color: var(--ink-2);
    font-size: 15.5px;
}

.prose h2 {
    font-size: 22px;
    color: var(--ink);
    margin: 40px 0 12px;
}

.prose h2:first-child {
    margin-top: 0;
}

.prose h3 {
    font-size: 17px;
    color: var(--ink);
    margin: 26px 0 8px;
}

.prose ul {
    list-style: disc;
    padding-left: 24px;
    margin: 0 0 1em;
    display: block;
}

.prose li {
    margin-bottom: 6px;
}

.prose strong {
    color: var(--ink);
}

.prose-updated {
    font-size: 13.5px;
    color: var(--ink-3);
}

/* ---------- Footer ---------- */
.site-footer {
    margin-top: 40px;
    border-top: 1px solid var(--border);
    background: var(--bg-soft);
    padding-bottom: 34px;
}

.footer-cta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 44px;
    margin: -60px 0 60px;
    border: 1px solid var(--accent-border);
    border-radius: var(--radius-xl);
    background:
        radial-gradient(500px 240px at 15% 0%, rgba(16, 185, 129, 0.18), transparent 60%),
        var(--surface);
    box-shadow: var(--shadow-2);
}

.footer-cta h2 {
    font-size: clamp(22px, 3vw, 30px);
    margin-bottom: 6px;
}

.footer-cta p {
    margin: 0;
    color: var(--ink-2);
}

.footer-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-brand .brand {
    margin-bottom: 14px;
}

.footer-tag {
    font-size: 14px;
    color: var(--ink-2);
    max-width: 300px;
}

.footer-col h3 {
    font-size: 13.5px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--ink-3);
    margin-bottom: 16px;
}

.footer-col ul {
    display: grid;
    gap: 10px;
}

.footer-col a {
    color: var(--ink-2);
    font-size: 14.3px;
}

.footer-col a:hover {
    color: var(--ink);
}

.footer-newsletter p {
    font-size: 13.8px;
    color: var(--ink-2);
}

.newsletter-form {
    display: flex;
    gap: 8px;
}

.newsletter-form input {
    flex: 1;
    min-width: 0;
}

.newsletter-ok {
    margin-top: 10px;
    font-size: 13.5px;
    color: var(--up);
    font-weight: 600;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 13.5px;
    color: var(--ink-3);
}

.footer-bottom p {
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: 22px;
}

.footer-legal a {
    color: var(--ink-3);
}

.footer-legal a:hover {
    color: var(--ink);
}

/* ---------- Back to top ---------- */
.back-to-top {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 80;
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    background: var(--surface);
    color: var(--ink-2);
    box-shadow: var(--shadow-2);
    cursor: pointer;
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease, color 0.15s ease, border-color 0.15s ease;
}

.back-to-top.is-visible {
    opacity: 1;
    transform: none;
    pointer-events: auto;
}

.back-to-top:hover {
    color: var(--accent-strong);
    border-color: var(--accent);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 44px;
    }

    .hero-sub {
        max-width: 640px;
    }

    .dash-alert {
        right: 10px;
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .plans {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin-inline: auto;
    }

    .plan-popular {
        order: -1;
    }

    .stats-band {
        grid-template-columns: repeat(2, 1fr);
    }

    .tab-panel {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .feature-split {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .feature-split.is-flipped > .feature-split-copy {
        order: 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .calc-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 760px) {
    .container {
        width: min(var(--container), 100% - 36px);
    }

    .section {
        padding: 60px 0;
    }

    .main-nav {
        position: fixed;
        inset: 0;
        top: 0;
        z-index: 90;
        display: none;
        padding: calc(var(--header-h) + 40px) 28px 40px;
        background: var(--bg);
        margin: 0;
    }

    body.nav-open .main-nav {
        display: block;
    }

    body.nav-open {
        overflow: hidden;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }

    .nav-link {
        display: block;
        padding: 14px 16px;
        font-size: 17px;
    }

    .nav-actions-desktop {
        display: none;
    }

    .nav-actions-mobile {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        margin-top: 26px;
    }

    .nav-burger {
        display: flex;
        position: relative;
        z-index: 95;
    }

    .site-header {
        z-index: 100;
    }

    .hero {
        padding: 56px 0 50px;
    }

    .hero-form {
        flex-direction: column;
    }

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .steps {
        grid-template-columns: 1fr;
    }

    .stats-band {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .checker-form {
        flex-direction: column;
    }

    .checker-region {
        grid-template-columns: 1fr 74px;
        row-gap: 8px;
    }

    .checker-region .latency-track {
        grid-column: 1 / -1;
        order: 3;
    }

    .checker-ms {
        text-align: right;
    }

    .checker-status {
        display: none;
    }

    .dash-kpis {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .kpi {
        padding: 10px;
    }

    .kpi-value {
        font-size: 16px;
    }

    .dash-alert {
        position: static;
        width: auto;
        margin: 14px 0 0;
        animation: none;
    }

    .testimonial {
        padding: 30px 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-cta {
        padding: 30px 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .status-banner time {
        margin-left: 0;
        width: 100%;
    }

    .uptime-bars {
        gap: 2px;
    }

    .auth-card {
        padding: 30px 24px;
    }

    .calculator {
        padding: 24px 20px;
    }

    .downtime-result {
        grid-template-columns: 1fr;
    }
}