/*
 * ADAM website styles. Direction A from the design mock-up: a light page with soft blue and violet washes, and
 * product panels redrawn in HTML. Open Sans for all text; JetBrains Mono only inside product panels.
 */

/* ---------- Fonts (self-hosted from @fontsource, Latin only) ---------- */

@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url("/assets/fonts/open-sans-latin-wght-normal.woff2") format("woff2");
}

@font-face {
  font-family: "Open Sans";
  font-style: italic;
  font-weight: 300 800;
  font-display: swap;
  src: url("/assets/fonts/open-sans-latin-wght-italic.woff2") format("woff2");
}

@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/jetbrains-mono-latin-400-normal.woff2") format("woff2");
}

@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/jetbrains-mono-latin-500-normal.woff2") format("woff2");
}

/* ---------- Tokens ---------- */

:root {
  --accent: #236aea;
  --accent-dark: #1a55c4;
  --ink: #0d1530;
  --ink-hover: #1d2a55;
  --text: #0d1530;
  --text-muted: #46506e;
  --text-faint: #5d6684;
  --nav-text: #3b4566;

  --page: #f6f8fd;
  --wash-blue: #dbe7ff;
  --wash-violet: #e9e4ff;
  --surface: #ffffff;
  --line: #e3e8f3;
  --button-line: #d6dcec;

  --panel-line: #dfe5f3;
  --panel-bar: #f3f6fc;
  --panel-bar-line: #e6ebf5;
  --panel-row-line: #f2f4f9;
  --panel-shadow: 0 18px 40px rgba(35, 106, 234, 0.12);
  --pass-bg: #e3f6ea;
  --pass-text: #17733e;
  --warn-bg: #fff1dc;
  --warn-text: #a35a00;

  --font-sans: "Open Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  --wrap: 72rem;
  --gutter: 16px;
  --radius: 8px;
  --radius-large: 14px;
}

@media (min-width: 720px) {
  :root {
    --gutter: 28px;
  }
}

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

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(1100px 460px at 12% -60px, var(--wash-blue) 0%, transparent 60%) no-repeat,
    radial-gradient(900px 440px at 96% -40px, var(--wash-violet) 0%, transparent 55%) no-repeat,
    var(--page);
  overflow-wrap: break-word;
}

main {
  flex: 1;
}

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

a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--accent-dark);
}

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

h1,
h2,
h3 {
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0 0 0.5em;
}

h1 {
  font-size: clamp(2rem, 1.4rem + 2.6vw, 3rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.4rem, 1.15rem + 1.1vw, 1.85rem);
}

h3 {
  font-size: 1.2rem;
}

p,
ul,
ol,
blockquote {
  margin: 0 0 1em;
}

.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.lead {
  font-size: 1.15rem;
  color: var(--text-muted);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  z-index: 10;
  padding: 8px 14px;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
}

.skip-link:focus {
  top: 8px;
  color: #fff;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: var(--ink);
  color: #fff;
}

.btn-primary:hover {
  background: var(--ink-hover);
  color: #fff;
}

.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--button-line);
}

.btn-secondary:hover {
  color: var(--ink);
  border-color: var(--accent);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
}

.btn-accent:hover {
  background: var(--accent-dark);
  color: #fff;
}

.btn-small {
  padding: 8px 14px;
  font-size: 0.9375rem;
}

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

.site-header {
  position: relative;
  z-index: 5;
}

.site-header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-block: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.brand-word {
  width: auto;
  height: 18px;
}

.site-header nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-wide {
  flex: 1;
}

.nav-wide ul {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-wide li:last-child {
  margin-left: auto;
}

.site-header nav a {
  color: var(--nav-text);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
}

.site-header nav a:hover,
.site-header nav a[aria-current="page"] {
  color: var(--accent);
}

.nav-menu {
  display: none;
}

.nav-menu summary {
  list-style: none;
  padding: 8px 12px;
  border: 1px solid var(--button-line);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
}

.nav-menu summary::-webkit-details-marker {
  display: none;
}

.nav-menu[open] summary {
  border-color: var(--accent);
}

.nav-menu nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  padding: 8px var(--gutter) 16px;
  background: var(--surface);
  border-block: 1px solid var(--line);
  box-shadow: 0 16px 30px rgba(13, 21, 48, 0.08);
}

.nav-menu nav a {
  display: block;
  padding: 10px 0;
  font-size: 1.0625rem;
}

@media (max-width: 899px) {
  .site-header-inner {
    gap: 12px;
  }

  .nav-wide {
    display: none;
  }

  .nav-menu {
    display: block;
  }

  .site-header-inner > .btn {
    margin-left: auto;
  }
}

@media (max-width: 559px) {
  .brand-word {
    display: none;
  }

  .site-header-inner > .btn {
    padding-inline: 12px;
    font-size: 0.875rem;
  }
}

/* ---------- Page content ---------- */

.content {
  width: 100%;
  max-width: calc(var(--wrap) + 2 * var(--gutter));
  margin-inline: auto;
  padding: 40px var(--gutter) 0;
}

/* Running text keeps a readable line length; claims and panels use the full width. */
.content > :where(h1, h2, h3, p, ul, ol, blockquote, dl, table) {
  max-width: 46rem;
}

.content > :where(p, ul, ol) {
  color: var(--text-muted);
}

.content > h2 {
  margin-top: 2em;
}

.content > h3 {
  margin-top: 1.6em;
}

blockquote {
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--accent);
  color: var(--text-muted);
}

/* ---------- Home: hero ---------- */

.hero {
  display: grid;
  gap: 32px;
  align-items: center;
  padding-block: 8px 48px;
}

.hero-text,
.hero-panel {
  min-width: 0;
}

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

.hero .lead {
  max-width: 36rem;
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.hero-proof {
  margin: 0;
  color: var(--text-faint);
  font-size: 0.9375rem;
}

@media (min-width: 860px) {
  .hero {
    grid-template-columns: 1fr 1.1fr;
    gap: 48px;
    padding-block: 24px 64px;
  }
}

/* ---------- Claim: one claim beside the panel that proves it ---------- */

.claim {
  display: grid;
  gap: 28px;
  align-items: center;
  padding-block: 48px;
  border-top: 1px solid var(--line);
}

.claim-text > :last-child {
  margin-bottom: 0;
}

.claim-text p,
.claim-text li {
  color: var(--text-muted);
}

.claim-panel {
  min-width: 0;
}

@media (min-width: 860px) {
  .claim {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    padding-block: 64px;
  }

  .claim-panel-left .claim-panel {
    order: -1;
  }
}

/* ---------- Feature areas and testimonials ---------- */

.area-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.area-list a {
  display: block;
  height: 100%;
  padding: 14px 16px;
  border: 1px solid var(--panel-line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}

.area-list a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.testimonials {
  padding-block: 48px;
  border-top: 1px solid var(--line);
}

.testimonial-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.testimonial {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  margin: 0;
  padding: 24px;
  border: 1px solid var(--panel-line);
  border-radius: var(--radius-large);
  background: var(--surface);
}

.testimonial blockquote {
  margin: 0;
  padding: 0;
  border: 0;
  color: var(--text);
}

.testimonial blockquote p {
  margin: 0;
}

.testimonial figcaption {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.testimonial figcaption strong {
  display: block;
  color: var(--text);
}

/* ---------- Product panels ---------- */

.panel {
  overflow: auto;
  background: var(--surface);
  border: 1px solid var(--panel-line);
  border-radius: var(--radius-large);
  box-shadow: var(--panel-shadow);
  font-size: 0.875rem;
}

.panel-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 14px;
  background: var(--panel-bar);
  border-bottom: 1px solid var(--panel-bar-line);
  color: var(--text-faint);
  font-size: 0.8125rem;
}

.panel-dots {
  display: inline-flex;
  gap: 6px;
  flex: none;
}

.panel-dots b {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ff6b6b;
}

.panel-dots b:nth-child(2) {
  background: #ffc14d;
}

.panel-dots b:nth-child(3) {
  background: #3ccf7a;
}

.panel table {
  width: 100%;
  border-collapse: collapse;
}

.panel th,
.panel td {
  padding: 8px 12px;
  text-align: left;
  vertical-align: middle;
}

.panel th {
  color: var(--text-faint);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid #eef1f8;
}

.panel td {
  border-bottom: 1px solid var(--panel-row-line);
}

.panel tr:last-child td {
  border-bottom: 0;
}

.panel td:first-child {
  white-space: nowrap;
}

.panel td.mono {
  color: var(--text-faint);
  white-space: nowrap;
}

.num,
.panel th.num,
.panel td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* A long column heading wraps rather than widen the panel past its column. */
.panel th.num {
  white-space: normal;
}

/* On a phone a panel keeps to the screen width where it can; a wide table scrolls inside its panel. */
@media (max-width: 559px) {
  .panel {
    font-size: 0.8125rem;
  }

  .panel th,
  .panel td {
    padding: 7px 8px;
  }

  .panel td:first-child {
    white-space: normal;
  }

  .promotion-schedule :is(th, td):is(:nth-child(2), :nth-child(4)) {
    display: none;
  }
}

.pill {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.pill-pass {
  background: var(--pass-bg);
  color: var(--pass-text);
}

.pill-warn {
  background: var(--warn-bg);
  color: var(--warn-text);
}

/* ---------- News ---------- */

.post-meta {
  font-size: 0.9375rem;
  color: var(--text-faint);
}

.post-kind {
  font-weight: 600;
  color: var(--accent);
}

.post-list {
  padding: 0;
  list-style: none;
}

.post-list li {
  padding-block: 24px;
  border-top: 1px solid var(--line);
}

.post-list .post-meta {
  margin-bottom: 0.25em;
}

.post-list h2 {
  margin-bottom: 0.3em;
  font-size: 1.35rem;
}

.post-list h2 a {
  color: var(--text);
  text-decoration: none;
}

.post-list h2 a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.post-list li > p:last-child {
  margin: 0;
}

.post-back {
  margin-top: 2em;
}

/* ---------- Enquiry forms ---------- */

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

.enquiry-form {
  max-width: 46rem;
  margin-bottom: 72px;
  padding: 28px 22px;
  border: 1px solid var(--panel-line);
  border-radius: var(--radius-large);
  background: var(--surface);
}

@media (min-width: 720px) {
  .enquiry-form {
    padding: 36px 40px;
  }
}

.field {
  margin: 0 0 24px;
  padding: 0;
  border: 0;
  min-width: 0;
}

.field > label,
.field > legend {
  display: block;
  margin-bottom: 6px;
  padding: 0;
  font-weight: 600;
}

.field-optional {
  color: var(--text-faint);
  font-weight: 400;
}

.field-help {
  margin: -2px 0 10px;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.enquiry-form :is(input[type="text"], input[type="email"], input[type="tel"], input[type="number"],
  input[type="date"], select, textarea) {
  display: block;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--button-line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 1rem;
}

.enquiry-form input[type="number"] {
  max-width: 12rem;
}

.enquiry-form textarea {
  resize: vertical;
}

.enquiry-form :is(input, select, textarea):focus-visible {
  border-color: var(--accent);
}

/* :user-invalid waits until the visitor has touched the field, so an untouched form is not painted red. */
.enquiry-form :is(input, select, textarea):user-invalid {
  border-color: #c2412d;
}

.choice {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 4px 0;
  color: var(--text);
}

.choice input {
  flex: none;
  accent-color: var(--accent);
}

.preference-controls {
  display: grid;
  gap: 12px;
}

.preference-controls label {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.preference-controls :is(input, select) {
  margin-top: 4px;
}

@media (min-width: 560px) {
  .preference-controls {
    grid-template-columns: 1fr 1fr;
  }
}

.cf-turnstile {
  margin-bottom: 20px;
}

.form-notice,
.form-status {
  padding: 12px 16px;
  border-radius: var(--radius);
  background: var(--warn-bg);
  color: var(--warn-text);
}

/* The status region stays in the page while it is empty, so that a screen reader announces the text put in it later.
   display: none would take it out of the accessibility tree, so the empty region only loses its box. */
.form-status:empty {
  margin: 0;
  padding: 0;
}

.form-privacy {
  margin: 0;
  color: var(--text-faint);
  font-size: 0.875rem;
}

/* ---------- Closing call to action ---------- */

.cta {
  margin-block: 48px 72px;
}

.cta-card {
  display: grid;
  gap: 24px;
  align-items: center;
  padding: 28px 22px;
  border: 1px solid var(--panel-line);
  border-radius: 18px;
  background:
    radial-gradient(520px 260px at 0% 0%, var(--wash-blue) 0%, transparent 70%) no-repeat,
    radial-gradient(520px 260px at 100% 100%, var(--wash-violet) 0%, transparent 70%) no-repeat,
    var(--surface);
}

.cta-card h2 {
  margin-bottom: 0.4em;
}

.cta-card p {
  max-width: 40rem;
  margin: 0;
  color: var(--text-muted);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.cta-actions .btn {
  flex: 1 1 auto;
}

@media (min-width: 860px) {
  .cta-card {
    grid-template-columns: 1fr auto;
    gap: 48px;
    padding: 44px;
  }

  .cta-actions .btn {
    flex: none;
  }
}

/* ---------- Footer ---------- */

.site-footer {
  padding-block: 48px 32px;
  background: var(--surface);
  border-top: 1px solid var(--line);
  font-size: 0.9375rem;
}

.site-footer h2 {
  margin: 0 0 10px;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.footer-help {
  margin-bottom: 36px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.footer-help h2 {
  font-size: 1.0625rem;
  letter-spacing: 0;
  text-transform: none;
}

.footer-help p {
  max-width: 46rem;
  margin: 0;
  color: var(--text-muted);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 28px;
}

.footer-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li + li {
  margin-top: 6px;
}

.footer-links a {
  color: var(--ink);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.footer-legal {
  margin: 36px 0 0;
  color: var(--text-faint);
  font-size: 0.875rem;
}