:root {
  color-scheme: dark;
  --bg: #06111f;
  --bg-soft: #0b1b2f;
  --panel: #10243a;
  --panel-strong: #142d47;
  --text: #f3f8ff;
  --muted: #b8c7d9;
  --subtle: #8194aa;
  --line: #25445f;
  --accent: #30d5c8;
  --accent-strong: #74f4e8;
  --warning: #f5c66a;
  --danger: #ff9b9b;
  --ok: #87e6b1;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.24);
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(8, 25, 42, 0.94), rgba(6, 17, 31, 1)),
    repeating-linear-gradient(90deg, rgba(116, 244, 232, 0.04) 0 1px, transparent 1px 110px);
}

a {
  color: inherit;
}

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

button,
input,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--accent-strong);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 20;
  transform: translateY(-160%);
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: #03111d;
  border-radius: 0.375rem;
  font-weight: 800;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(6, 17, 31, 0.92);
  border-bottom: 1px solid rgba(129, 148, 170, 0.24);
  backdrop-filter: blur(14px);
}

.header-inner,
.section,
.footer-inner {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.75rem;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 850;
  letter-spacing: 0;
}

.brand img {
  width: 2.65rem;
  height: 2.65rem;
}

.brand small {
  display: block;
  color: var(--subtle);
  font-size: 0.76rem;
  font-weight: 650;
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 0.375rem;
  background: var(--bg-soft);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.2rem;
  height: 2px;
  margin: 0.25rem auto;
  background: currentColor;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-links a {
  padding: 0.65rem 0.8rem;
  border-radius: 0.375rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 720;
}

.nav-links a:hover {
  background: rgba(48, 213, 200, 0.08);
  color: var(--accent-strong);
}

.hero {
  padding: 5.5rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 11ch;
  margin: 0;
  font-size: clamp(2.55rem, 7vw, 5.7rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero h1 {
  overflow-wrap: normal;
  word-break: normal;
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.65rem, 3vw, 2.45rem);
  line-height: 1.14;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 0.65rem;
  font-size: 1.08rem;
  line-height: 1.3;
}

.lead {
  max-width: 760px;
  margin: 1.35rem 0 0;
  color: var(--text);
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  line-height: 1.45;
}

.supporting {
  max-width: 780px;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.status {
  display: inline-flex;
  max-width: 100%;
  margin: 1.25rem 0 0;
  padding: 0.7rem 0.85rem;
  border: 1px solid rgba(48, 213, 200, 0.32);
  border-radius: 0.375rem;
  background: rgba(48, 213, 200, 0.08);
  color: var(--accent-strong);
  font-weight: 780;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--accent);
  border-radius: 0.375rem;
  background: var(--accent);
  color: #03111d;
  font-weight: 850;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  color: var(--accent-strong);
}

.button:hover {
  filter: brightness(1.08);
}

.hero-panel,
.notice,
.privacy-card,
.tool-panel,
.result-panel {
  border: 1px solid rgba(129, 148, 170, 0.25);
  border-radius: 0.5rem;
  background: rgba(16, 36, 58, 0.84);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 1.25rem;
}

.hero-panel img {
  width: min(100%, 15rem);
  margin: 0 auto 1rem;
}

.hero-panel p {
  margin: 0;
  color: var(--muted);
}

.section {
  padding: 4rem 0;
}

.section + .section {
  border-top: 1px solid rgba(129, 148, 170, 0.16);
}

.section-intro {
  max-width: 760px;
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 1.04rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  min-height: 100%;
  padding: 1rem;
  border: 1px solid rgba(129, 148, 170, 0.24);
  border-radius: 0.5rem;
  background: rgba(11, 27, 47, 0.75);
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  padding: 0;
  margin: 1.5rem 0 0;
  list-style: none;
}

.checklist li {
  position: relative;
  padding: 0.85rem 0.85rem 0.85rem 2.3rem;
  border: 1px solid rgba(129, 148, 170, 0.22);
  border-radius: 0.5rem;
  background: rgba(11, 27, 47, 0.72);
  color: var(--muted);
}

.checklist li::before {
  content: "";
  position: absolute;
  top: 1.15rem;
  left: 0.9rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
}

.warning-list li::before {
  background: var(--warning);
}

.notice {
  margin-top: 1.25rem;
  padding: 1rem;
  color: var(--warning);
}

.values {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding: 0;
  margin: 1rem 0 0;
  list-style: none;
}

.values li {
  padding: 0.45rem 0.7rem;
  border: 1px solid rgba(48, 213, 200, 0.28);
  border-radius: 999px;
  color: var(--accent-strong);
  background: rgba(48, 213, 200, 0.07);
  font-weight: 720;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.site-footer {
  border-top: 1px solid rgba(129, 148, 170, 0.24);
  background: rgba(4, 12, 22, 0.88);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0;
  color: var(--muted);
  font-size: 0.94rem;
}

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

.resource-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  max-width: 760px;
}

.tool-panel,
.result-panel,
.privacy-card {
  padding: 1rem;
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.privacy-card dl {
  display: grid;
  grid-template-columns: minmax(9rem, 0.7fr) minmax(0, 1fr);
  gap: 0.5rem 0.75rem;
  margin: 0;
}

.privacy-card dt {
  color: var(--subtle);
  font-weight: 760;
}

.privacy-card dd {
  margin: 0;
  color: var(--text);
}

.tool-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem;
  border: 1px solid rgba(129, 148, 170, 0.22);
  border-radius: 0.5rem;
  background: rgba(11, 27, 47, 0.72);
}

.toggle-row input {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--accent);
}

textarea {
  width: 100%;
  min-height: 16rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: #081725;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  resize: vertical;
}

.tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1rem 0;
}

.tool-actions button,
.file-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.65rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--accent);
  border-radius: 0.375rem;
  background: var(--accent);
  color: #03111d;
  cursor: pointer;
  font-weight: 850;
}

.tool-actions button.secondary,
.file-button {
  background: transparent;
  color: var(--accent-strong);
}

.hidden {
  display: none !important;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
}

.metric {
  padding: 0.75rem;
  border-radius: 0.5rem;
  background: rgba(11, 27, 47, 0.82);
  border: 1px solid rgba(129, 148, 170, 0.22);
}

.metric strong {
  display: block;
  color: var(--accent-strong);
  font-size: 1.4rem;
}

.fineprint {
  color: var(--subtle);
  font-size: 0.92rem;
}

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

  .grid {
    max-width: 680px;
  }
}

@media (max-width: 720px) {
  .header-inner {
    min-height: 4.25rem;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1rem 1rem;
    background: #06111f;
    border-bottom: 1px solid rgba(129, 148, 170, 0.24);
  }

  .nav-links.is-open {
    display: flex;
  }

  .checklist,
  .privacy-grid,
  .tool-controls,
  .metrics {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3.75rem;
  }

  .hero h1 {
    font-size: 2.55rem;
  }

  .hero h1 span {
    display: block;
  }
}

@media (max-width: 420px) {
  .brand small {
    display: none;
  }

  .actions,
  .tool-actions {
    display: grid;
  }

  .button,
  .tool-actions button,
  .file-button {
    width: 100%;
  }
}

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