/* ==========================================================================
   CanaryVolt marketing site — shared stylesheet
   Volt design system, light marketing variant.
   Tokens ported from DESKTOP_EXECUTION_PLAN.md §3.7 / UI/DesignSystem/Volt.swift.
   Rules: 85/15 neutral-to-volt, one loud volt element per viewport,
   no gradients, no glows, no shadows (1px hairlines + tonal shifts),
   nothing animates longer than 220ms.
   ========================================================================== */

:root {
  /* Color */
  --canvas: #F5F6F8;
  --surface: #FFFFFF;
  --charcoal: #1B1D1F;
  --volt: #CEFF00;
  --ink: #15171A;
  --ink2: #6B7280;
  --ink3: #9CA3AF;
  --line: #E4E6EA;
  --line2: #D6D9DE;
  --track: #EDEFF2;
  --track-fill: #DFE2E7;
  --sheet: #232629;
  --dark-hairline: rgba(255, 255, 255, 0.13);
  --dark-text2: rgba(255, 255, 255, 0.34);
  --dark-body: rgba(255, 255, 255, 0.82);

  /* Spacing (8pt grid) */
  --space-xs: 4px;
  --space-s: 8px;
  --space-m: 16px;
  --space-l: 24px;
  --space-xl: 32px;
  --screen-margin: 20px;

  /* Radii */
  --r-card: 16px;
  --r-control: 14px;
  --r-small: 10px;
  --r-chip: 8px;

  /* Layout */
  --col: 1080px;
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI",
    Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--line2);
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-color: var(--ink2);
}

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

.on-dark :focus-visible,
.on-dark:focus-visible {
  outline-color: var(--dark-body);
}

/* Skip link */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--surface);
  color: var(--ink);
  padding: 10px 16px;
  border: 1px solid var(--line2);
  border-radius: var(--r-small);
  z-index: 10;
}

.skip:focus {
  left: var(--screen-margin);
  top: var(--space-s);
}

/* --------------------------------------------------------------------------
   Type
   -------------------------------------------------------------------------- */

h1,
h2,
h3 {
  margin: 0;
  font-weight: 700;
  line-height: 1.12;
  text-wrap: balance;
}

h1 {
  font-size: clamp(34px, 6vw, 56px);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(25px, 4vw, 36px);
  letter-spacing: -0.015em;
}

h3 {
  font-size: 18px;
  letter-spacing: -0.01em;
  font-weight: 600;
}

p {
  margin: 0;
}

.lead {
  font-size: clamp(17px, 2.2vw, 20px);
  line-height: 1.6;
  color: var(--ink2);
  max-width: 38em;
}

.eyebrow {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink2);
  margin-bottom: var(--space-m);
}

.muted {
  color: var(--ink2);
}

.small {
  font-size: 13px;
}

/* --------------------------------------------------------------------------
   Layout & section rhythm
   -------------------------------------------------------------------------- */

.wrap {
  max-width: var(--col);
  margin-inline: auto;
  padding-inline: var(--screen-margin);
}

.section {
  padding-block: clamp(56px, 9vw, 96px);
}

.section-head {
  max-width: 46em;
  margin-bottom: clamp(28px, 5vw, 48px);
}

.section-head .lead {
  margin-top: var(--space-m);
}

/* Tonal band: white slab between canvas sections, hairline top & bottom */
.band {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* Charcoal band (hero / app showcase — at most one loud dark band per page) */
.band-dark {
  background: var(--charcoal);
  color: var(--dark-body);
}

.band-dark h1,
.band-dark h2 {
  color: #FFFFFF;
}

.band-dark .lead {
  color: var(--dark-body);
}

.band-dark .eyebrow {
  color: var(--dark-text2);
}

/* --------------------------------------------------------------------------
   Header / footer
   -------------------------------------------------------------------------- */

.site-header {
  background: var(--canvas);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  gap: var(--space-l);
  min-height: 64px;
  padding-block: var(--space-s);
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand img {
  width: 26px;
  height: 26px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-l);
  margin-left: auto;
  flex-wrap: wrap;
}

.site-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink2);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--ink);
}

/* Small volt chip — a small mark, not the viewport's loud element */
.site-nav .chip-volt {
  background: var(--volt);
  color: var(--ink);
  border: 1px solid rgba(21, 23, 26, 0.14);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
}

.site-nav .chip-volt:hover {
  color: var(--ink);
  border-color: rgba(21, 23, 26, 0.32);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: var(--space-xl);
  color: var(--ink2);
  font-size: 13px;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-m) var(--space-xl);
  align-items: center;
}

.site-footer nav {
  display: flex;
  gap: var(--space-l);
  flex-wrap: wrap;
}

.site-footer a {
  color: var(--ink2);
}

.site-footer .copyright {
  margin-left: auto;
  color: var(--ink3);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-s);
  min-height: 48px;
  padding: 12px 22px;
  border-radius: var(--r-control);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 120ms ease-out, border-color 120ms ease-out;
}

.btn:active {
  transform: scale(0.975);
}

/* Primary: ink text on volt — the one loud volt element in its viewport */
.btn-volt {
  background: var(--volt);
  color: var(--ink);
  border-color: rgba(21, 23, 26, 0.14);
}

.btn-volt:hover {
  border-color: rgba(21, 23, 26, 0.36);
}

/* Secondary on light */
.btn-ghost {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line2);
}

.btn-ghost:hover {
  border-color: var(--ink3);
}

/* Secondary on charcoal */
.btn-ghost-dark {
  background: transparent;
  color: var(--dark-body);
  border-color: var(--dark-hairline);
}

.btn-ghost-dark:hover {
  border-color: var(--dark-text2);
}

/* Disabled look (e.g. "iOS — coming soon") */
.btn-disabled {
  background: transparent;
  color: var(--dark-text2);
  border-color: var(--dark-hairline);
  cursor: default;
}

.btn-disabled:active {
  transform: none;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-m);
  align-items: center;
}

/* --------------------------------------------------------------------------
   Cards & grids
   -------------------------------------------------------------------------- */

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: var(--space-l);
}

.card h3 {
  margin-bottom: var(--space-s);
}

.card p {
  color: var(--ink2);
  font-size: 15px;
  line-height: 1.6;
}

.cols {
  display: grid;
  gap: var(--space-m);
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* --------------------------------------------------------------------------
   Steps (How it works)
   -------------------------------------------------------------------------- */

.steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
}

.steps > li {
  counter-increment: step;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--track);
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  margin-bottom: var(--space-m);
}

.step-num::before {
  content: counter(step);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  padding-block: clamp(64px, 10vw, 112px);
}

.hero .wrap {
  display: grid;
  gap: clamp(32px, 6vw, 64px);
  grid-template-columns: 1fr;
  align-items: center;
}

@media (min-width: 900px) {
  .hero .wrap {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
}

.hero .lead {
  margin-top: var(--space-l);
}

.hero .btn-row {
  margin-top: var(--space-xl);
}

.hero-fineprint {
  margin-top: var(--space-m);
  font-size: 13px;
  color: var(--dark-text2);
}

/* --------------------------------------------------------------------------
   HUD mini-mock (pure HTML/CSS sketch of the desktop panel)
   -------------------------------------------------------------------------- */

.hud {
  background: var(--charcoal);
  border: 1px solid var(--dark-hairline);
  border-radius: var(--r-card);
  padding: var(--space-l);
  max-width: 460px;
  width: 100%;
  justify-self: center;
  font-size: 15px;
}

.hud-top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-s) var(--space-m);
  margin-bottom: var(--space-l);
}

.hud-eyebrow,
.hud-status {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dark-text2);
  white-space: nowrap;
}

.hud-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* The status dot — volt as a small mark, never volt text */
.hud-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--volt);
  flex: none;
}

.hud-line {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: var(--space-m);
  padding-block: 12px;
  border-top: 1px solid var(--dark-hairline);
}

.hud-speaker {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dark-text2);
  padding-top: 3px;
}

.hud-text {
  color: var(--dark-body);
  line-height: 1.5;
}

.hud-suggestion {
  background: var(--sheet);
  border: 1px solid var(--dark-hairline);
  border-left: 3px solid var(--volt);
  border-radius: var(--r-small);
  padding: 14px var(--space-m);
  margin-top: var(--space-m);
}

.hud-suggestion .hud-speaker {
  display: block;
  padding-top: 0;
  margin-bottom: 6px;
}

.hud-caption {
  margin-top: var(--space-m);
  font-size: 12px;
  color: var(--dark-text2);
  text-align: center;
}

/* --------------------------------------------------------------------------
   Trust band
   -------------------------------------------------------------------------- */

.trust-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-m);
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .trust-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.trust-list > li {
  position: relative;
  background: var(--canvas);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: var(--space-l);
  padding-left: 44px;
}

/* Small volt square marker — a mark, not text */
.trust-list > li::before {
  content: "";
  position: absolute;
  left: var(--space-l);
  top: 30px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--volt);
  border: 1px solid rgba(21, 23, 26, 0.18);
}

.trust-list strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-xs);
}

.trust-list p {
  color: var(--ink2);
  font-size: 14.5px;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   After-the-call figure
   -------------------------------------------------------------------------- */

.shot {
  border: 1px solid var(--line2);
  border-radius: var(--r-card);
  overflow: hidden;
  margin: 0;
  background: var(--charcoal);
}

.shot img {
  width: 100%;
}

.shot figcaption {
  padding: 12px var(--space-m);
  font-size: 13px;
  color: var(--ink2);
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.split {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  grid-template-columns: 1fr;
  align-items: center;
}

@media (min-width: 900px) {
  .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  }
}

.feature-list {
  list-style: none;
  margin: var(--space-l) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.feature-list li {
  position: relative;
  padding-left: 22px;
  color: var(--ink2);
  font-size: 15.5px;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--track-fill);
}

/* --------------------------------------------------------------------------
   Motion preferences
   -------------------------------------------------------------------------- */

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

  .btn,
  .btn:active {
    transition: none;
    transform: none;
  }
}

/* ==========================================================================
   Legal & document pages (terms.html, privacy.html, trust.html, legal.html)
   Appended for the legal-pages build. Landing styles above are unchanged.
   ========================================================================== */

/* Single readable column (~720px content) */
.doc {
  max-width: 760px;
  margin-inline: auto;
  padding-inline: var(--screen-margin);
  padding-block: clamp(40px, 7vw, 72px);
}

.doc-head {
  margin-bottom: clamp(28px, 5vw, 44px);
}

.doc-head h1 {
  font-size: clamp(30px, 5vw, 42px);
}

.doc-meta {
  margin-top: var(--space-m);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink2);
}

.doc-meta strong {
  color: var(--ink);
  font-weight: 600;
}

/* Draft notice bar — stays until counsel signs off */
.notice {
  background: var(--surface);
  border: 1px solid var(--line2);
  border-left: 3px solid var(--ink);
  border-radius: var(--r-small);
  padding: 14px var(--space-m);
  margin: 0 0 var(--space-xl);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink2);
}

.notice strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0.01em;
  margin-bottom: var(--space-xs);
}

/* Document typography */
.doc h2 {
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: clamp(36px, 6vw, 52px) 0 var(--space-m);
  scroll-margin-top: var(--space-l);
}

.doc h3 {
  font-size: 17px;
  margin: var(--space-xl) 0 var(--space-s);
  scroll-margin-top: var(--space-l);
}

.doc p {
  margin: 0 0 var(--space-m);
}

.doc .lead {
  margin-bottom: var(--space-m);
}

.doc ul,
.doc ol {
  margin: 0 0 var(--space-m);
  padding-left: 22px;
  display: grid;
  gap: var(--space-s);
}

.doc li {
  line-height: 1.6;
}

.doc a {
  text-decoration-color: var(--ink3);
}

.doc hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: var(--space-xl) 0;
}

/* Inline counsel/draft annotations, preserved verbatim from the drafts */
.annotation {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--ink2);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-small);
  padding: 10px 14px;
  margin: var(--space-m) 0;
}

.doc li .annotation {
  margin-bottom: 0;
}

/* Tables (hairlines only, horizontal scroll on small screens) */
.table-scroll {
  overflow-x: auto;
  margin: var(--space-m) 0 var(--space-l);
  border: 1px solid var(--line);
  border-radius: var(--r-small);
  background: var(--surface);
}

.doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.55;
  min-width: 540px;
}

.doc th,
.doc td {
  text-align: left;
  vertical-align: top;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}

.doc th {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink2);
  background: var(--canvas);
}

.doc tr:last-child td {
  border-bottom: none;
}

.doc th + th,
.doc td + td {
  border-left: 1px solid var(--line);
}

/* Trust page: product-page accent — small volt square before each section head */
.doc-trust h2 {
  position: relative;
  padding-left: 22px;
}

.doc-trust h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--volt);
  border: 1px solid rgba(21, 23, 26, 0.18);
}

/* Legal index page */
.legal-index {
  display: grid;
  gap: var(--space-m);
  margin: var(--space-l) 0;
}

.legal-index a.card {
  display: block;
  text-decoration: none;
  transition: border-color 120ms ease-out;
}

.legal-index a.card:hover {
  border-color: var(--ink3);
}

.legal-index h2 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-xs);
  padding: 0;
}

.legal-index p {
  margin: 0;
}