@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@600;700;800&family=IBM+Plex+Mono:wght@400;600&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

/* ---------- Tokens ---------- */
:root {
  --color-primary: #0F1B2B;
  --color-bg: #10161F;
  --color-surface-1: #19212C;
  --color-surface-2: #222C3A;
  --color-line: #2E3A4A;
  --color-text: #F2F4F7;
  --color-text-soft: #C3CDDA;
  --color-text-muted: #8593A6;
  --color-accent: #00B5FF;
  --color-accent-hover: #33C4FF;
  --color-live: #3ED0AE;

  --font-heading: 'Archivo', system-ui, sans-serif;
  --font-body: 'IBM Plex Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --container-max: 1180px;
  --nav-height: 64px;
  --pad: clamp(20px, 5vw, 80px);
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
}

a {
  color: inherit;
}

section {
  padding: clamp(60px, 8vw, 104px) 0;
  border-top: 1px solid var(--color-line);
}

details {
  border-top: 1px solid var(--color-line);
  padding: 20px 0;
}

summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 17px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  color: var(--color-accent);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

details[open] summary::after {
  content: "\2212";
}

.wrap {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--pad);
  width: 100%;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--color-accent);
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.02;
}

h1 { font-size: clamp(42px, 7.5vw, 86px); text-transform: uppercase; }
h2 { font-size: clamp(30px, 4.6vw, 52px); text-transform: uppercase; }
h3 { font-size: 20px; letter-spacing: -.01em; text-transform: none; font-weight: 700; }

.lede {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--color-text-soft);
  max-width: 56ch;
}

.small {
  font-size: 14px;
  color: var(--color-text-muted);
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(16, 22, 31, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  background: var(--color-text);
  padding: 6px 12px;
  border-radius: 3px;
}

.nav-logo img {
  height: 22px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a:not(.btn) {
  font-size: 14px;
  color: var(--color-text-muted);
}

.nav-links a:not(.btn):hover {
  color: var(--color-text);
}

@media (max-width: 820px) {
  .nav-links a:not(.btn) {
    display: none;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 22px;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .12s ease, background .12s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.btn-ghost {
  border-color: var(--color-line);
  color: var(--color-text);
  background: transparent;
}

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

/* ---------- Hero (shared pattern) ---------- */
.hero {
  padding: clamp(56px, 9vw, 110px) 0 clamp(48px, 7vw, 86px);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.hero h1 {
  margin: 18px 0 22px;
}

.hero h1 .strike {
  color: var(--color-accent);
}

.hero-foot {
  margin-top: 30px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}

.hero-simple {
  max-width: 70ch;
}

/* ---------- Leak meter (calculator) ---------- */
.meter {
  background: var(--color-surface-1);
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-accent);
  padding: 26px;
  min-width: 0;
}

.meter-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 22px;
}

.meter-head .eyebrow {
  color: var(--color-text-muted);
}

.field {
  margin-bottom: 20px;
}

.field-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}

.field-top label {
  font-size: 14px;
  color: var(--color-text-soft);
}

.field-val {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--color-accent);
  font-weight: 600;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 3px;
  background: var(--color-line);
  border-radius: 2px;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-surface-1);
  cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-surface-1);
  cursor: pointer;
  border-width: 3px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.chip {
  font-size: 13px;
  padding: 8px 13px;
  border: 1px solid var(--color-line);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  font-family: var(--font-body);
  border-radius: 2px;
}

.chip:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

.chip[aria-pressed="true"] {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
  font-weight: 600;
}

.readout {
  border-top: 1px solid var(--color-line);
  margin-top: 24px;
  padding-top: 22px;
}

.readout-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.readout-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  font-size: clamp(38px, 6.5vw, 54px);
  color: var(--color-live);
  line-height: 1.05;
  margin: 6px 0 2px;
}

.readout-sub {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ---------- Section heads ---------- */
.sec-head {
  max-width: 64ch;
  margin-bottom: 44px;
}

.sec-head h2 {
  margin: 14px 0 16px;
}

/* ---------- Leaks grid ---------- */
.leaks {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}

@media (max-width: 900px) {
  .leaks { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .leaks { grid-template-columns: 1fr; }
}

.leak {
  background: var(--color-bg);
  padding: 28px 24px;
  min-width: 0;
}

.leak-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.leak h3 {
  margin: 12px 0 10px;
}

.leak p {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ---------- Module / pricing builder ---------- */
.builder {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

@media (max-width: 940px) {
  .builder { grid-template-columns: 1fr; }
}

.mods {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.mod {
  display: grid;
  grid-template-columns: 26px 1fr auto;
  gap: 18px;
  align-items: center;
  background: var(--color-surface-1);
  border: 1px solid var(--color-line);
  padding: 20px 22px;
  cursor: pointer;
  text-align: left;
  width: 100%;
  font-family: var(--font-body);
  color: var(--color-text);
  transition: border-color .12s ease, background .12s ease;
}

.mod:hover {
  border-color: var(--color-text-muted);
}

.mod[aria-pressed="true"] {
  border-color: var(--color-accent);
  background: var(--color-surface-2);
}

.tick {
  width: 22px;
  height: 22px;
  border: 1px solid var(--color-line);
  border-radius: 2px;
  display: grid;
  place-items: center;
  font-size: 13px;
  color: var(--color-bg);
  font-weight: 700;
}

.mod[aria-pressed="true"] .tick {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.mod-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -.01em;
}

.mod-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: 4px;
  line-height: 1.5;
}

.mod-body {
  min-width: 0;
}

.mod-price {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
}

.mod-setup {
  display: block;
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: 400;
  margin-top: 3px;
}

@media (max-width: 560px) {
  .mod {
    grid-template-columns: 26px 1fr;
    row-gap: 12px;
  }
  .mod-price {
    grid-column: 2;
    text-align: left;
  }
}

.quote {
  background: var(--color-surface-1);
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-live);
  padding: 26px;
  position: sticky;
  top: 88px;
  min-width: 0;
}

@media (max-width: 940px) {
  .quote { position: static; }
}

.quote-line {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: var(--color-text-muted);
  padding: 7px 0;
}

.quote-line span:last-child {
  font-family: var(--font-mono);
  color: var(--color-text);
}

.quote-total {
  border-top: 1px solid var(--color-line);
  margin-top: 14px;
  padding-top: 18px;
}

.quote-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 38px;
  color: var(--color-live);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.quote-empty {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ---------- Pricing tiers ---------- */
.tiers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}

@media (max-width: 760px) {
  .tiers { grid-template-columns: 1fr; }
}

.tier {
  background: var(--color-bg);
  padding: 34px 30px;
  min-width: 0;
}

.tier h3 {
  font-family: var(--font-heading);
  font-size: 32px;
  text-transform: uppercase;
  margin-top: 12px;
}

.tier-price {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 600;
  color: var(--color-accent);
  margin: 14px 0 6px;
}

.tier-price span {
  font-size: 16px;
  color: var(--color-text-muted);
}

.tier ul {
  list-style: none;
  margin-top: 20px;
}

.tier li {
  font-size: 15px;
  color: var(--color-text-soft);
  padding: 9px 0 9px 22px;
  position: relative;
  border-top: 1px solid var(--color-line);
}

.tier li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 9px;
  height: 1px;
  background: var(--color-accent);
}

.cap {
  margin-top: 22px;
  font-size: 13px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  border-left: 2px solid var(--color-accent);
  padding-left: 12px;
  line-height: 1.5;
}

/* ---------- Quiz ---------- */
.quiz {
  background: var(--color-surface-1);
  border: 1px solid var(--color-line);
  padding: clamp(26px, 4vw, 48px);
  max-width: 760px;
  margin: 0 auto;
}

.progress {
  display: flex;
  gap: 5px;
  margin-bottom: 30px;
}

.pip {
  height: 3px;
  flex: 1;
  background: var(--color-line);
}

.pip.done {
  background: var(--color-accent);
}

.step {
  display: none;
}

.step.active {
  display: block;
}

.step h3 {
  font-size: clamp(21px, 3vw, 28px);
  font-family: var(--font-heading);
  margin-bottom: 6px;
  letter-spacing: -.01em;
}

.step .qnote {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.opts {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.opt {
  text-align: left;
  padding: 16px 18px;
  background: transparent;
  border: 1px solid var(--color-line);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px;
  cursor: pointer;
  border-radius: 2px;
  transition: border-color .12s ease, background .12s ease;
  width: 100%;
}

.opt:hover {
  border-color: var(--color-text-muted);
  background: var(--color-surface-2);
}

.opt[aria-pressed="true"] {
  border-color: var(--color-accent);
  background: var(--color-surface-2);
}

.opt b {
  display: block;
  font-weight: 600;
  margin-bottom: 2px;
}

.opt em {
  font-style: normal;
  font-size: 13px;
  color: var(--color-text-muted);
}

.quiz-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 28px;
  gap: 12px;
}

.link-back {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 14px;
  cursor: pointer;
  font-family: var(--font-body);
  padding: 8px 0;
}

.link-back:hover {
  color: var(--color-text);
}

.form-embed {
  border: 1px solid var(--color-line);
  background: var(--color-bg);
  min-height: 420px;
}

.form-embed iframe {
  width: 100%;
  min-height: 420px;
  border: 0;
  display: block;
}

.result {
  display: none;
}

.result.active {
  display: block;
}

.rec {
  border: 1px solid var(--color-accent);
  background: var(--color-surface-2);
  padding: 28px;
  margin: 22px 0;
}

.rec-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.rec h3 {
  font-family: var(--font-heading);
  font-size: 30px;
  margin: 10px 0 8px;
  text-transform: uppercase;
}

.rec-price {
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--color-live);
  margin-bottom: 12px;
}

.rec-why {
  color: var(--color-text-soft);
  font-size: 15px;
}

/* ---------- FAQ ---------- */
.faq {
  max-width: 800px;
}

.faq p {
  margin-top: 12px;
  color: var(--color-text-muted);
  font-size: 15px;
  line-height: 1.65;
  max-width: 70ch;
}

/* ---------- Homepage: Not Just Tools / explainer ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

@media (max-width: 820px) {
  .split { grid-template-columns: 1fr; }
}

.prose p {
  color: var(--color-text-soft);
  font-size: 16px;
  line-height: 1.7;
  max-width: 60ch;
}

.prose p + p {
  margin-top: 16px;
}

.explainer {
  background: var(--color-surface-1);
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-accent);
  padding: clamp(28px, 4vw, 40px);
}

.explainer h3 {
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 28px);
  text-transform: none;
}

.explainer p {
  margin-top: 12px;
  color: var(--color-text-soft);
  font-size: 16px;
  line-height: 1.6;
}

/* ---------- Homepage: services ---------- */
.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  margin-top: 40px;
}

.service {
  background: var(--color-surface-1);
  border: 1px solid var(--color-line);
  padding: 28px 26px;
  min-width: 0;
}

.service-icon {
  width: 34px;
  height: 34px;
  border: 1px solid var(--color-accent);
  border-radius: 2px;
  display: grid;
  place-items: center;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
}

.service h3 {
  margin-top: 16px;
  font-size: 18px;
}

.service p {
  margin-top: 8px;
  font-size: 14.5px;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ---------- Homepage: approach ---------- */
.approach-lines {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.01em;
  text-transform: none;
  margin: 14px 0 24px;
}

.approach-close {
  color: var(--color-text-soft);
  font-size: 17px;
  max-width: 62ch;
}

.approach-close em {
  font-style: normal;
  color: var(--color-accent);
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--color-line);
  padding: 44px 0;
  font-size: 14px;
  color: var(--color-text-muted);
}

.foot-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  align-items: center;
}

.foot-brand a {
  display: inline-flex;
  align-items: center;
  background: var(--color-text);
  padding: 5px 10px;
  border-radius: 3px;
}

.foot-brand img {
  height: 18px;
  width: auto;
  display: block;
}

.foot-brand p {
  margin-top: 8px;
}

.foot-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.foot-links a:hover {
  color: var(--color-text);
}

/* ---------- Quiz inputs (retained for any future non-embed use) ---------- */
.inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 560px) {
  .inputs { grid-template-columns: 1fr; }
}

.inputs label {
  display: block;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.inputs input {
  width: 100%;
  padding: 13px 14px;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px;
  border-radius: 2px;
}

.inputs input:focus {
  border-color: var(--color-accent);
  outline: none;
}

.span2 {
  grid-column: 1 / -1;
}

/* ---------- Legal pages ---------- */
.legal-body h2 {
  font-size: 24px;
  text-transform: none;
  margin: 36px 0 12px;
}

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

.legal-body p, .legal-body li {
  color: var(--color-text-soft);
  font-size: 15.5px;
  line-height: 1.7;
  max-width: 72ch;
}

.legal-body p + p {
  margin-top: 12px;
}

.legal-body ul {
  list-style: disc;
  padding-left: 22px;
  margin-top: 8px;
}

.legal-body li + li {
  margin-top: 6px;
}

.legal-updated {
  margin-top: 8px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}