/* ===== Genesis Design Tokens (Light Theme — Indigo Primary) ===== */
:root {
  color-scheme: light;

  /* --- Surface Hierarchy (light elevation) --- */
  --surface-dim:                    #F3F4F6;
  --surface:                        #FAFAFA;
  --surface-container-lowest:       #F3F4F6;
  --surface-container-low:          #F3F4F6;
  --surface-container:              #F9FAFB;
  --surface-container-high:         #FFFFFF;
  --surface-container-highest:      #FFFFFF;

  /* --- On-Surface (text hierarchy) --- */
  --on-surface:                     #0A0A0A;
  --on-surface-variant:             #52525B;
  --on-surface-muted:               #71717A;

  /* --- Primary (Indigo #6366F1 — calm, bold) --- */
  --primary:                        #6366F1;
  --on-primary:                     #FFFFFF;
  --primary-container:              #E0E7FF;
  --on-primary-container:           #312E81;

  /* --- Secondary (Violet #8B5CF6 — complementary) --- */
  --secondary:                      #8B5CF6;
  --on-secondary:                   #FFFFFF;

  /* --- Tertiary (Rose #EC4899 — accent pop) --- */
  --tertiary:                       #EC4899;
  --on-tertiary:                    #FFFFFF;

  /* --- Error (Red #EF4444) --- */
  --error:                          #EF4444;
  --on-error:                       #FFFFFF;
  --error-container:                #FEE2E2;
  --on-error-container:             #991B1B;

  /* --- Success (Emerald #10B981) --- */
  --success:                        #10B981;
  --on-success:                     #FFFFFF;
  --success-container:              #D1FAE5;
  --on-success-container:           #065F46;

  /* --- Warning (Amber #F59E0B) --- */
  --warning:                        #F59E0B;
  --on-warning:                     #FFFFFF;
  --warning-container:              #FEF3C7;
  --on-warning-container:           #92400E;

  /* --- Outline --- */
  --outline:                        #D1D5DB;
  --outline-variant:                #E5E7EB;
  --outline-soft:                   rgba(0, 0, 0, .08);
  --outline-faint:                  rgba(0, 0, 0, .06);

  /* --- Overlays --- */
  --overlay-soft:                   rgba(0, 0, 0, .04);
  --overlay-faint:                  rgba(0, 0, 0, .02);
  --header-bg:                      rgba(250, 250, 250, .88);

  /* --- Primary Soft Variants (opacity-based overlays) --- */
  --primary-soft:                   rgba(99, 102, 241, .08);
  --primary-line:                   rgba(99, 102, 241, .3);
  --error-soft:                     rgba(239, 68, 68, .08);
  --error-line:                     rgba(239, 68, 68, .3);
  --success-soft:                   rgba(16, 185, 129, .08);
  --success-line:                   rgba(16, 185, 129, .3);
  --warning-soft:                   rgba(245, 158, 11, .08);
  --warning-line:                   rgba(245, 158, 11, .3);

  /* --- Shadows (Genesis minimal — flat cards, shadow on hover) --- */
  --shadow:                         0 4px 12px rgba(0, 0, 0, .08);
  --card-shadow:                    none;
  --focus-ring:                     0 0 0 3px rgba(99, 102, 241, .34);

  /* --- Scrim --- */
  --scrim:                          #000000;

  /* --- Typography --- */
  --sans: "DM Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --display: "General Sans", "DM Sans", ui-sans-serif, system-ui, sans-serif;

  /* --- Layout --- */
  --radius: 6px;
  --radius-sm: 4px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  --max: 1200px;
}

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

html {
  background: var(--surface);
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--on-surface);
  font-family: var(--sans);
  line-height: 1.65;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--overlay-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--overlay-faint) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, var(--surface), transparent 72%);
  pointer-events: none;
}

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

a:hover {
  text-decoration: underline;
  text-underline-offset: .22em;
}

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

h1, h2, h3, h4, h5, h6 { font-family: var(--display); }

button, input, select, textarea { font: inherit; }

button { cursor: pointer; }

:focus-visible {
  outline: 0;
  box-shadow: var(--focus-ring);
}

/* ===== Accessibility ===== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  clip-path: inset(50%);
}

.skip {
  position: fixed;
  left: 12px;
  top: 12px;
  z-index: 100;
  padding: .65rem .9rem;
  border-radius: .75rem;
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 800;
  transform: translateY(-140%);
}

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

/* ===== Progress Bar ===== */
.progress {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 90;
  width: 0;
  height: 3px;
  background: var(--primary);
}

/* ===== Container ===== */
.container {
  position: relative;
  width: min(100% - 40px, var(--max));
  margin-inline: auto;
}

/* ===== Header & Navigation ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 80;
  border-bottom: 1px solid var(--outline-soft);
  background: var(--header-bg);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(100% - 40px, var(--max));
  margin-inline: auto;
  padding: .82rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: .65rem;
  color: var(--on-surface);
  font-weight: 900;
  min-height: 44px;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: .75rem;
}

.navlinks {
  display: flex;
  align-items: center;
  gap: .72rem;
  flex-wrap: wrap;
  font-size: .92rem;
}

.navlinks a { color: var(--on-surface-muted); }

.navcta {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: .55rem .85rem;
  background: var(--primary);
  color: var(--on-primary) !important;
  font-weight: 850;
}

.menu-toggle {
  display: none;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--outline-soft);
  border-radius: .9rem;
  background: var(--overlay-soft);
  color: var(--on-surface);
}

.menu-toggle span[aria-hidden] {
  width: 18px;
  height: 2px;
  background: var(--on-surface);
  box-shadow: 0 6px 0 var(--on-surface), 0 -6px 0 var(--on-surface);
}

/* ===== Hero Section ===== */
.hero {
  padding: 6rem 0 3.5rem;
}

.hero-stack {
  max-width: 48rem;
}

.eyebrow, .kicker {
  margin: 0 0 .8rem;
  color: var(--primary);
  font-family: var(--mono);
  font-size: .86rem;
  font-weight: 800;
  letter-spacing: 0;
}

.hero h1 {
  margin: 0 0 1.25rem;
  max-width: 14ch;
  font-size: 6.4rem;
  line-height: .94;
  letter-spacing: -.02em;
  text-wrap: balance;
}

.hero h1 span { display: block; color: var(--primary); }

.lead {
  max-width: 50ch;
  margin: 0;
  color: var(--on-surface-variant);
  font-size: 1.28rem;
  line-height: 1.55;
}

.actions {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  margin: 2rem 0 0;
}

.offer-strip {
  display: flex;
  gap: .8rem;
  flex-wrap: wrap;
  margin-top: 2.2rem;
}

.offer-strip a {
  flex: 1 1 180px;
  display: grid;
  gap: .15rem;
  border: 1px solid var(--primary-line);
  border-radius: var(--radius);
  background: var(--primary-soft);
  padding: .85rem 1rem;
  color: var(--on-surface);
}

.offer-strip a:hover { text-decoration: none; border-color: var(--primary); }
.offer-strip strong { color: var(--primary); }
.offer-strip span { color: var(--on-surface-muted); font-size: .88rem; }

.trust-note {
  max-width: 60ch;
  margin: 2rem 0 0;
  color: var(--on-surface-muted);
  font-size: .92rem;
  line-height: 1.5;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 44px;
  max-width: 100%;
  border: 0;
  border-radius: 999px;
  padding: .78rem 1rem;
  font-weight: 850;
  line-height: 1.1;
  text-align: center;
  white-space: normal;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
  touch-action: manipulation;
}

.btn:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.btn:active { transform: translateY(1px); }

.btn.primary {
  background: var(--primary);
  color: var(--on-primary);
  box-shadow: var(--shadow);
}

.btn.secondary {
  border: 1px solid var(--outline-soft);
  background: var(--overlay-soft);
  color: var(--on-surface);
}

.btn.ghost {
  border: 1px solid var(--primary-line);
  background: transparent;
  color: var(--primary);
}

/* ===== Terminal / Code Block ===== */
.terminal, .codebox {
  overflow: hidden;
  border: 1px solid var(--outline-soft);
  border-radius: 1.2rem;
  background: var(--surface-container-lowest);
  box-shadow: var(--card-shadow);
}

.termbar, .codebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .7rem;
  border-bottom: 1px solid var(--outline-soft);
  background: var(--overlay-soft);
  padding: .65rem .8rem;
  color: var(--on-surface-muted);
  font-size: .86rem;
}

.termbar span {
  width: .7rem;
  height: .7rem;
  border-radius: 50%;
  background: var(--error);
}

.termbar span:nth-child(2) { background: var(--warning); }
.termbar span:nth-child(3) { background: var(--success); }

pre {
  margin: 0;
  overflow: auto;
  padding: 1rem;
  color: var(--on-surface-variant);
  font-family: var(--mono);
  font-size: .9rem;
}

/* ===== Sections ===== */
section {
  padding: 6rem 0;
  border-top: 1px solid var(--outline-faint);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, .78fr) minmax(0, 1fr);
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.section-head h2 {
  margin: 0;
  font-size: 3.2rem;
  line-height: 1.05;
  letter-spacing: 0;
  text-wrap: balance;
}

.section-head p {
  margin: 0;
  color: var(--on-surface-muted);
  font-size: 1.02rem;
  line-height: 1.6;
  align-self: end;
}

/* ===== Grid Layouts ===== */
.grid { display: grid; gap: 1.2rem; }

.section-head > *,
.grid > *,
.tool-card > *,
.lead-card > * { min-width: 0; }

.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.grid.featured { grid-template-columns: 1fr 1fr; }
.grid.featured > :first-child { grid-column: 1 / -1; }

/* ===== Cards (Genesis flat: 1px border, no shadow, shadow on hover) ===== */
.card, .tool-card, .lead-card {
  min-width: 0;
  border: 1px solid var(--outline-soft);
  border-radius: var(--radius);
  background: var(--surface-container-high);
  box-shadow: var(--card-shadow);
  padding: 1.5rem;
  transition: box-shadow .2s ease, transform .2s ease;
}

.card:hover,
.tool-card:hover,
.lead-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.card h3 {
  margin: 0 0 .5rem;
  font-size: 1.15rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.card p { margin: 0; color: var(--on-surface-muted); line-height: 1.55; }

.highlight {
  border-color: var(--primary-line);
  background: linear-gradient(180deg, var(--primary-soft), var(--surface-container-high));
}

.tag {
  display: inline-flex;
  width: max-content;
  margin-bottom: .7rem;
  border: 1px solid var(--primary-line);
  border-radius: .55rem;
  background: var(--primary-soft);
  padding: .25rem .5rem;
  color: var(--primary);
  font-size: .78rem;
  font-weight: 850;
}

.tool-card {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: end;
  gap: .8rem;
}

.tool-card .wide { grid-column: span 4; }

.lead-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .85rem;
}

.field.full { grid-column: 1 / -1; }

/* ===== Forms ===== */
.field label {
  display: block;
  margin: 0 0 .35rem;
  color: var(--on-surface-variant);
  font-size: .86rem;
  font-weight: 800;
}

.field input, .field select, .field textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--outline-soft);
  border-radius: .9rem;
  background: var(--surface-container-low);
  color: var(--on-surface);
  padding: .72rem .8rem;
  transition: border-color .2s ease;
}

.field textarea { resize: vertical; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--primary-line);
  outline: 0;
}

.copy {
  border: 1px solid var(--primary-line);
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  padding: .45rem .75rem;
  font-size: .8rem;
  font-weight: 800;
}

/* ===== Results & Status ===== */
.result {
  margin-top: 1rem;
  border: 1px solid var(--primary-line);
  border-radius: 1rem;
  background: var(--primary-soft);
  padding: 1rem;
  color: var(--on-surface-variant);
}

.status {
  margin: 0;
  border: 1px solid var(--outline-soft);
  border-radius: .9rem;
  background: var(--overlay-soft);
  padding: .72rem .8rem;
  color: var(--on-surface-variant);
}

.result strong { color: var(--on-surface); }

.result ul {
  margin: .6rem 0 0;
  padding-left: 1.2rem;
  color: var(--on-surface-variant);
}

.result.danger {
  border-color: var(--error-line);
  background: var(--error-soft);
}

.result.warning {
  border-color: var(--warning-line);
  background: var(--warning-soft);
}

.result.ok {
  border-color: var(--success-line);
  background: var(--success-soft);
}

/* ===== Resource & Link Rows ===== */
.resource-row {
  display: flex;
  gap: .7rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.resource-row a, .links a {
  display: inline-flex;
  border: 1px solid var(--outline-soft);
  border-radius: 999px;
  background: var(--overlay-soft);
  padding: .5rem .75rem;
  color: var(--on-surface-variant);
  min-height: 44px;
  align-items: center;
}

.note-list {
  display: grid;
  gap: .45rem;
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--on-surface-variant);
}

/* ===== Security Grid ===== */
.security-grid {
  grid-template-columns: 1.3fr repeat(4, minmax(120px, 1fr)) auto;
}

.check {
  display: flex;
  align-items: center;
  gap: .45rem;
  min-height: 44px;
  color: var(--on-surface-variant);
  font-weight: 750;
}

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

/* ===== Keyword Grid ===== */
.keyword-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: .65rem;
}

.keyword-grid span {
  border: 1px solid var(--outline-soft);
  border-radius: .9rem;
  background: var(--overlay-soft);
  padding: .68rem .75rem;
  color: var(--on-surface-variant);
  font-size: .92rem;
}

/* ===== Flow / Journey ===== */
.flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: .8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow li {
  min-width: 0;
  min-height: 10rem;
  border: 1px solid var(--outline-soft);
  border-radius: var(--radius);
  background: var(--surface-container-high);
  padding: 1rem;
  transition: box-shadow .2s ease, transform .2s ease;
}

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

.flow span {
  display: inline-flex;
  margin-bottom: .7rem;
  border: 1px solid var(--primary-line);
  border-radius: .55rem;
  background: var(--primary-soft);
  padding: .25rem .5rem;
  color: var(--primary);
  font-family: var(--mono);
  font-size: .78rem;
  font-weight: 850;
}

.flow strong, .flow em { display: block; }
.flow strong { color: var(--on-surface); line-height: 1.25; }
.flow em { margin-top: .55rem; color: var(--on-surface-muted); font-style: normal; font-size: .92rem; }

/* ===== Tables ===== */
.table-wrap {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--outline-soft);
  border-radius: 1.1rem;
  background: var(--overlay-faint);
}

table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
}

th, td {
  padding: .9rem 1rem;
  border-bottom: 1px solid var(--outline-soft);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--on-surface);
  background: var(--overlay-soft);
  font-size: .84rem;
}

td { color: var(--on-surface-variant); }

.mt { margin-top: 1.5rem; }

/* ===== FAQ ===== */
.faq-list { display: grid; gap: .7rem; }

.faq-item {
  overflow: hidden;
  border: 1px solid var(--outline-soft);
  border-radius: 1rem;
  background: var(--overlay-soft);
}

.faq-q {
  display: flex;
  width: 100%;
  min-height: 44px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 0;
  background: transparent;
  color: var(--on-surface);
  padding: 1rem;
  text-align: left;
  font-weight: 850;
}

.faq-q span {
  display: grid;
  place-items: center;
  min-width: 1.5rem;
  color: var(--primary);
  font-family: var(--mono);
}

.faq-a {
  display: none;
  padding: 0 1rem 1rem;
  color: var(--on-surface-muted);
}

.faq-a p { margin: 0; }
.faq-a p + p { margin-top: .65rem; }
.faq-item.open .faq-a { display: block; }

/* ===== Footer ===== */
.footer {
  padding: 4rem 0;
  border-top: 1px solid var(--outline-soft);
  background: var(--surface-container-lowest);
  color: var(--on-surface-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.2rem;
}

.small {
  max-width: 70ch;
  margin: .35rem 0 0;
  color: var(--on-surface-muted);
  font-size: .9rem;
}

/* ===== Media Queries: Tablet ===== */
@media (max-width: 1060px) {
  .section-head,
  .grid.two,
  .grid.featured { grid-template-columns: 1fr; }

  .hero h1 { font-size: 4.8rem; }
  .section-head h2 { font-size: 2.6rem; }
  .hero { padding: 4.5rem 0 2.5rem; }

  .tool-card,
  .security-grid { grid-template-columns: 1fr 1fr; }
  .tool-card .wide { grid-column: 1 / -1; }

  .keyword-grid,
  .flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ===== Media Queries: Mobile ===== */
@media (max-width: 760px) {
  .container,
  .nav { width: min(100% - 28px, var(--max)); }

  .nav {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .menu-toggle { display: grid; }

  .navlinks {
    display: none;
    width: 100%;
    max-width: 100%;
    flex-basis: 100%;
    padding-top: .75rem;
  }

  .navlinks.open {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .hero { padding: 2.8rem 0 1.5rem; }
  .hero h1 { font-size: 2.55rem; }
  .lead { font-size: .98rem; }

  .actions {
    margin: 1.2rem 0 0;
    display: grid;
    grid-template-columns: 1fr;
  }

  .offer-strip { flex-direction: column; }

  .trust-note { display: none; }

  .actions,
  .lead-card { grid-template-columns: 1fr; }
  .btn { width: 100%; }

  .tool-card,
  .security-grid,
  .keyword-grid,
  .flow,
  .footer-grid { grid-template-columns: 1fr; }

  section { padding: 3.5rem 0; }

  .section-head {
    gap: 1.2rem;
    margin-bottom: 2rem;
  }

  .resource-row a,
  .links a { min-height: 44px; }

  .section-head h2 { font-size: 1.8rem; }
}

/* ===== High Contrast Mode ===== */
@media (prefers-contrast: more) {
  :root {
    --outline-soft: var(--primary-line);
    --outline-faint: var(--primary-line);
    --overlay-soft: var(--surface-container-high);
  }

  .btn.secondary,
  .card,
  .tool-card,
  .lead-card,
  .faq-item,
  .table-wrap { border-color: var(--primary-line); }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}