:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7f9;
  --color-text: #10171f;
  --color-muted: #55636f;
  --color-border: #e2e8ec;
  --color-primary: #0b7285;
  --color-primary-dark: #085d6c;
  --color-accent: #12b8a6;
  --color-card: #ffffff;
  --color-pass: #1a8f4c;
  --color-warn: #b7791f;
  --color-fail: #c53030;
  --color-info: #3a6fd8;
  --shadow-sm: 0 1px 3px rgba(16, 23, 31, 0.08);
  --shadow-md: 0 8px 24px rgba(16, 23, 31, 0.10);
  --radius: 12px;
  --max-width: 1120px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0d1418;
    --color-bg-alt: #121a1f;
    --color-text: #eef3f5;
    --color-muted: #9fb0b8;
    --color-border: #223038;
    --color-primary: #33c2d6;
    --color-primary-dark: #21a8bb;
    --color-accent: #35d6bf;
    --color-card: #162026;
    --color-info: #5b8fe8;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; }
h1 { font-size: clamp(2rem, 4vw, 2.75rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 0 0 1rem; }
h3 { font-size: 1.15rem; margin: 1.5rem 0 0.5rem; }
h4 { font-size: 1rem; margin: 1.25rem 0 0.25rem; }
p { margin: 0 0 1rem; }
a { color: var(--color-primary); }
code {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
  font-size: 0.9em;
}

.muted { color: var(--color-muted); }
.brand-accent { color: var(--color-accent); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  font-size: 0.95rem;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; }
.btn-outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-lg { padding: 0.9rem 1.8rem; font-size: 1.05rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.site-header.is-scrolled {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
  gap: 1rem;
}
.brand {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.site-nav a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}
.site-nav a:hover { color: var(--color-primary); }
.lang-switch { font-size: 0.9rem; color: var(--color-muted); }
.lang-switch a { color: var(--color-muted); font-weight: 700; padding: 0 0.15rem; }
.lang-switch a.active { color: var(--color-primary); }
.nav-cta { padding: 0.5rem 1.1rem; font-size: 0.9rem; }

.nav-toggle { display: none; }
.nav-toggle-btn {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  user-select: none;
}

@media (max-width: 860px) {
  .nav-toggle-btn { display: block; }
  .site-nav {
    position: absolute;
    top: 4.25rem;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.25rem 1.5rem;
    display: none;
    box-shadow: var(--shadow-md);
  }
  .nav-toggle:checked ~ .site-nav { display: flex; }
  .nav-cta { order: 10; }
}

/* Hero */
.hero {
  position: relative;
  padding: 4.5rem 0 3.5rem;
  background: linear-gradient(180deg, var(--color-bg-alt), var(--color-bg));
  overflow: hidden;
  isolation: isolate;
}
.hero-blob {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
  animation: float-blob 16s ease-in-out infinite;
}
.hero-blob.blob-a {
  width: 26rem;
  height: 26rem;
  top: -8rem;
  right: -6rem;
  background: var(--color-primary);
}
.hero-blob.blob-b {
  width: 20rem;
  height: 20rem;
  bottom: -9rem;
  left: -6rem;
  background: var(--color-accent);
  animation-delay: -8s;
}
@keyframes float-blob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(2rem, -1.5rem) scale(1.08); }
}
.hero-inner { max-width: 780px; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}
.hero-lede { font-size: 1.1rem; color: var(--color-muted); max-width: 640px; }
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; }

/* Sections */
.section { padding: 3.5rem 0; }
.section-alt { background: var(--color-bg-alt); }

/* Stats */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}
.stat-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-primary);
  margin: 0 0 0.25rem;
}
.stat-label { margin: 0; color: var(--color-muted); font-size: 0.95rem; }

/* Services */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0 1rem;
}
.service-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.service-card h3 { margin-top: 0; color: var(--color-primary); }
.service-card p { margin-bottom: 0; color: var(--color-muted); }

/* Checker */
.checker-section { background: var(--color-bg-alt); }
.checker-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.checker-form {
  display: flex;
  gap: 0.75rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
  justify-content: center;
}
.checker-form input {
  flex: 1 1 320px;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 1rem;
}
.checker-form input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(11, 114, 133, 0.15);
}
.checker-result { text-align: left; margin-top: 1rem; }
.checker-score {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.checker-score-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
}
.checker-checks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.checker-check {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
}
.checker-badge {
  flex: 0 0 auto;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  color: #fff;
  white-space: nowrap;
}
.checker-badge.pass { background: var(--color-pass); }
.checker-badge.warn { background: var(--color-warn); }
.checker-badge.fail { background: var(--color-fail); }
.checker-badge.info { background: var(--color-info); }
.checker-check-title { font-weight: 700; margin: 0; }
.checker-check-message { margin: 0.15rem 0 0; color: var(--color-muted); font-size: 0.92rem; }
.checker-error { color: var(--color-fail); font-weight: 600; }
.checker-loading { color: var(--color-muted); }
.checker-rate-limited {
  color: var(--color-fail);
  font-weight: 700;
  background: color-mix(in srgb, var(--color-fail) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-fail) 30%, transparent);
  border-radius: 8px;
  padding: 0.75rem 1rem;
}

.ai-review {
  margin-top: 1.25rem;
  padding: 1.25rem;
  border-radius: var(--radius);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  text-align: left;
}
.ai-review h3 { margin-top: 0; color: var(--color-primary); }
.ai-review-text {
  white-space: pre-line;
  color: var(--color-text);
  margin-bottom: 0;
}

/* Admin history pages */
.btn-sm { padding: 0.35rem 0.9rem; font-size: 0.85rem; }
.admin-table-wrap { overflow-x: auto; margin-top: 1rem; }
.admin-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.admin-table th, .admin-table td {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.92rem;
}
.admin-table th { color: var(--color-muted); font-weight: 600; }
.admin-table-url { font-family: monospace; word-break: break-all; }
.admin-check-url { font-family: monospace; font-size: 1.25rem; word-break: break-all; }
.admin-check-card {
  text-align: left;
  max-width: 900px;
  margin: 1.5rem 0 0;
}

/* Paid analysis */
.paid-analysis-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.paid-analysis-features {
  text-align: left;
  max-width: 420px;
  margin: 1.5rem auto;
}
.paid-analysis-card .order-form { margin-top: 1.5rem; }
.paid-analysis-card .btn-lg { align-self: center; }

/* About / FAQ */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2.5rem;
}
@media (max-width: 800px) {
  .about-grid { grid-template-columns: 1fr; }
}
.check-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.check-list li {
  padding-left: 1.6rem;
  position: relative;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 800;
}
.faq h4 { color: var(--color-primary); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  padding: 3rem 0 1.5rem;
  margin-top: 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
}
@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-brand { margin-bottom: 0.5rem; }
.footer-social a { color: var(--color-muted); }
.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
}

/* Scroll-reveal */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Icons */
.btn-icon {
  display: inline-flex;
  width: 1.05em;
  height: 1.05em;
  vertical-align: -0.15em;
  margin-right: 0.4rem;
}
.btn-icon svg { width: 100%; height: 100%; }

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 10px;
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}
.service-icon svg { width: 1.5rem; height: 1.5rem; }
.service-card:hover .service-icon {
  background: var(--color-primary);
  color: #fff;
  transition: background 0.2s ease, color 0.2s ease;
}
.service-card, .stat-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.service-card:hover, .stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.checker-badge-icon {
  display: inline-flex;
  width: 1rem;
  height: 1rem;
  vertical-align: -0.15em;
  margin-right: 0.3rem;
}
.checker-badge-icon svg { width: 100%; height: 100%; }

/* Order form */
.order-form-section {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  text-align: left;
  animation: fade-in 0.4s ease;
}
@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.order-form { display: flex; flex-direction: column; gap: 0.85rem; }
.order-form .form-row { display: flex; gap: 0.85rem; flex-wrap: wrap; }
.order-form .form-row input { flex: 1 1 220px; }
.order-form input, .order-form textarea {
  padding: 0.7rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  font: inherit;
  width: 100%;
}
.order-form input:focus, .order-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(11, 114, 133, 0.15);
}
.order-form textarea { resize: vertical; min-height: 4.5rem; }
.order-form .btn { align-self: flex-start; }
.turnstile-widget { margin: 0.25rem 0; }
.checker-form .turnstile-widget { flex-basis: 100%; }
.order-result { font-weight: 600; }
.order-result.success { color: var(--color-pass); }
.order-result.error { color: var(--color-fail); }

/* Honeypot: hidden from real visitors, present for bots that fill every field */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-blob { animation: none; }
  .order-form-section { animation: none; }
  .btn:hover, .service-card:hover, .stat-card:hover { transform: none; }
}