/* ==========================================================
   INFERNIFIED — Design Tokens
   ========================================================== */

:root {
  --bg: #101214;
  --surface: #181B1E;
  --surface-raised: #1D2023;
  --text-primary: #F1F1EC;
  --text-secondary: #9A9D9F;
  --text-tertiary: #6C6F71;
  --accent: #D99A3D;
  --accent-blue: #5D7FA3;
  --border: rgba(241, 241, 236, 0.09);
  --border-strong: rgba(241, 241, 236, 0.16);

  --state-danger: #C4674B;
  --state-caution: #C9A24D;
  --state-neutral: #7C9A87;

  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  --max-width: 1180px;
  --edge: clamp(20px, 5vw, 64px);

  --ease: cubic-bezier(0.2, 0.6, 0.2, 1);
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================
   Reset
   ========================================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
ul, ol, dl { margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0; }

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

.skip-link {
  position: absolute;
  top: -48px; left: 12px;
  background: var(--accent);
  color: #101214;
  padding: 10px 16px;
  border-radius: 4px;
  font-weight: 600;
  z-index: 200;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 12px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ==========================================================
   Header
   ========================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(16, 18, 20, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px var(--edge);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.wordmark {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1;
}

.wordmark-name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.wordmark-name--small { font-size: 13px; }

.wordmark-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  gap: 32px;
}

.main-nav a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.15s var(--ease);
}

.main-nav a:hover,
.main-nav a:focus-visible { color: var(--text-primary); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}

.nav-toggle span {
  width: 20px; height: 1.5px;
  background: var(--text-primary);
  display: block;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 8px var(--edge) 20px;
  border-top: 1px solid var(--border);
}

.mobile-nav a {
  padding: 12px 0;
  font-size: 15px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.mobile-nav.open { display: flex; }

/* ==========================================================
   Hero
   ========================================================== */

.hero {
  padding: clamp(48px, 8vw, 96px) 0 clamp(56px, 8vw, 96px);
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--edge);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.75fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-left h1 {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.01em;
  max-width: 16ch;
}

.hero-sub {
  margin-top: 18px;
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 46ch;
  line-height: 1.65;
}

.analyzer-form {
  margin-top: 36px;
  max-width: 480px;
}

.password-field {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  border-radius: 4px;
  transition: border-color 0.15s var(--ease);
}

.password-field:focus-within {
  border-color: var(--accent);
}

.password-field input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 15px;
  padding: 14px 14px;
  outline: none;
}

.password-field input::placeholder { color: var(--text-tertiary); }

.icon-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  transition: color 0.15s var(--ease);
}

.icon-btn:hover { color: var(--text-primary); }
.icon-btn svg { width: 19px; height: 19px; }

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.btn-primary {
  background: var(--accent);
  color: #16130A;
  border: none;
  font-weight: 600;
  font-size: 14.5px;
  padding: 12px 26px;
  border-radius: 4px;
  transition: filter 0.15s var(--ease), transform 0.1s var(--ease);
}

.btn-primary:hover { filter: brightness(1.08); }
.btn-primary:active { transform: translateY(1px); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-strong);
  font-size: 14.5px;
  padding: 12px 22px;
  border-radius: 4px;
  transition: border-color 0.15s var(--ease), color 0.15s var(--ease);
}

.btn-ghost:hover { border-color: var(--text-secondary); color: var(--text-primary); }

.local-note {
  margin-top: 18px;
  font-size: 13px;
  color: var(--text-tertiary);
  line-height: 1.6;
  max-width: 42ch;
}

/* ---- Score panel ---- */

.hero-right { padding-top: 4px; }

.score-panel {
  border-left: 1px solid var(--border-strong);
  padding-left: clamp(24px, 3vw, 40px);
}

.score-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.score-value-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 14px;
}

.score-value {
  font-family: var(--font-mono);
  font-size: clamp(64px, 9vw, 96px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  transition: color 0.25s var(--ease);
}

.score-max {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--text-tertiary);
}

.score-classification {
  margin-top: 10px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.score-track {
  margin-top: 22px;
  height: 2px;
  background: var(--border);
  position: relative;
  overflow: hidden;
}

.score-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.4s var(--ease), background-color 0.3s var(--ease);
}

.score-footnote {
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--text-tertiary);
}

/* score state colors */
.score-panel[data-state="very-weak"] .score-value,
.score-panel[data-state="weak"] .score-value { color: var(--state-danger); }
.score-panel[data-state="very-weak"] .score-fill,
.score-panel[data-state="weak"] .score-fill { background: var(--state-danger); }

.score-panel[data-state="moderate"] .score-value { color: var(--state-caution); }
.score-panel[data-state="moderate"] .score-fill { background: var(--state-caution); }

.score-panel[data-state="strong"] .score-value,
.score-panel[data-state="very-strong"] .score-value { color: var(--text-primary); }
.score-panel[data-state="strong"] .score-fill,
.score-panel[data-state="very-strong"] .score-fill { background: var(--accent); }

/* ==========================================================
   Shared section layout
   ========================================================== */

.report-section,
.generator-section,
.how-section,
.privacy-section,
.credits-section {
  border-bottom: 1px solid var(--border);
}

.report-inner,
.generator-inner,
.how-inner,
.privacy-inner,
.credits-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(48px, 6vw, 72px) var(--edge);
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 18px;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0 0 28px;
}

.report-row { padding-bottom: 28px; }

.report-label {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.report-summary-text {
  font-size: 16px;
  max-width: 60ch;
  color: var(--text-primary);
}

.report-text {
  font-size: 15px;
  color: var(--text-primary);
  max-width: 62ch;
  line-height: 1.65;
}

.report-text-sub {
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--text-tertiary);
  max-width: 55ch;
}

.report-footnote {
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--text-tertiary);
}

.report-status {
  font-size: 16px;
  font-weight: 600;
}

.report-status[data-status="found"] { color: var(--state-danger); }
.report-status[data-status="not-found"] { color: var(--text-primary); }
.report-status[data-status="unavailable"] { color: var(--state-caution); }

/* composition list */

.composition-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px 32px;
}

.composition-list div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

.composition-list dt {
  font-size: 14px;
  color: var(--text-secondary);
}

.composition-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-primary);
}

.composition-list dd[data-present="true"] { color: var(--accent); }
.composition-list dd[data-present="false"] { color: var(--text-tertiary); }

/* ==========================================================
   Generator
   ========================================================== */

.generator-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 64px);
}

.control-row { margin-bottom: 22px; }

.control-row label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}

.length-control {
  display: flex;
  align-items: center;
  gap: 16px;
}

.length-control input[type="range"] {
  flex: 1;
  appearance: none;
  height: 2px;
  background: var(--border-strong);
  outline: none;
}

.length-control input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
}

.length-control input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
}

.length-control output {
  font-family: var(--font-mono);
  font-size: 15px;
  min-width: 2ch;
  text-align: right;
}

.control-row--checks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  color: var(--text-primary);
  cursor: pointer;
}

.checkbox input {
  width: 16px; height: 16px;
  accent-color: var(--accent);
}

.generator-output { padding-top: 2px; }

.generated-row {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  border-radius: 4px;
}

.generated-row input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 14.5px;
  padding: 14px;
  outline: none;
}

.generated-row input::placeholder {
  font-family: var(--font-ui);
  color: var(--text-tertiary);
}

.copy-feedback {
  margin-top: 10px;
  font-size: 13px;
  color: var(--accent);
  min-height: 18px;
}

/* ==========================================================
   How it works
   ========================================================== */

.how-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(32px, 5vw, 64px);
  margin-bottom: 36px;
}

.how-label {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 12px;
}

.flow-list {
  list-style: none;
  counter-reset: flow;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.flow-list li {
  counter-increment: flow;
  font-size: 14.5px;
  color: var(--text-primary);
  padding-left: 28px;
  position: relative;
  line-height: 1.55;
}

.flow-list li::before {
  content: counter(flow);
  position: absolute;
  left: 0;
  top: 0.1em;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-tertiary);
}

.how-explainer {
  display: grid;
  gap: 18px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.how-explainer p { padding-top: 18px; }
.how-explainer p:first-child { padding-top: 0; }

.how-explainer strong { color: var(--accent); font-weight: 600; }

/* ==========================================================
   Privacy
   ========================================================== */

.privacy-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  list-style: none;
  max-width: 68ch;
  margin-bottom: 36px;
}

.privacy-list li {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
  padding-left: 18px;
  position: relative;
}

.privacy-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--text-tertiary);
}

.disclaimer {
  font-size: 13px;
  color: var(--text-tertiary);
  max-width: 68ch;
  line-height: 1.65;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

/* ==========================================================
   Credits
   ========================================================== */

.credits-built-by {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 10px;
}

.credit-main { margin-bottom: 40px; }

.credit-name {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.credit-name--co { font-size: 18px; font-weight: 600; }

.credit-role {
  margin-top: 6px;
  font-size: 14px;
  color: var(--text-secondary);
}

.credit-links {
  display: flex;
  gap: 24px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.credit-links a {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s var(--ease);
}

.credit-links a:hover,
.credit-links a:focus-visible { border-color: var(--accent); }

.credits-with {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 22px;
  border-top: 1px solid var(--border);
  padding-top: 32px;
}

.credit-co-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 28px;
}

.credit-co a {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-blue);
}

.credit-pending {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-tertiary);
}

/* ==========================================================
   Footer
   ========================================================== */

.site-footer { padding: 40px 0 60px; }

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--edge);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-nav {
  display: flex;
  gap: 24px;
}

.footer-nav a {
  font-size: 13.5px;
  color: var(--text-secondary);
}

.footer-nav a:hover { color: var(--text-primary); }

.footer-socials {
  display: flex;
  gap: 20px;
}

.footer-socials a {
  font-size: 13.5px;
  color: var(--text-secondary);
}

.footer-socials a:hover { color: var(--text-primary); }

.footer-note {
  font-size: 12.5px;
  color: var(--text-tertiary);
}

/* ==========================================================
   Responsive
   ========================================================== */

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .score-panel {
    border-left: none;
    border-top: 1px solid var(--border-strong);
    padding-left: 0;
    padding-top: 28px;
    margin-top: 8px;
  }

  .how-grid { grid-template-columns: 1fr; }
  .generator-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }

  .control-row--checks { grid-template-columns: 1fr; }

  .composition-list { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}