/* Everyday Builds Apps
   Palette from the publisher logo: navy #142664, teal #00acc2, light grey #f7f7f7.
   Teal is too light for text on light backgrounds (2.7:1), so it is used for decoration only. */

:root {
  --color-navy: #142664;
  --color-teal: #00acc2;
  --color-ink: #1b2135;
  --color-muted: #4a5368;
  --color-page: #f7f7f7;
  --color-surface: #ffffff;
  --color-line: #e2e4ea;
  --color-tint: #e5f5f8;
  --color-bezel: #16181d;

  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;

  --radius-small: 0.5rem;
  --radius-medium: 0.9rem;
  --radius-large: 1.25rem;

  --shadow-card: 0 0.5rem 1.5rem rgb(20 38 100 / 0.08);
  --shadow-device: 0 1.25rem 2.5rem -0.75rem rgb(16 24 40 / 0.28);

  --width-page: 68rem;
  --width-text: 42rem;
}

/* Base */

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-page);
}

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

h1,
h2,
h3,
h4 {
  line-height: 1.25;
  color: var(--color-ink);
}

h1 {
  font-size: clamp(2rem, 1.5rem + 2.5vw, 2.75rem);
  margin: 0 0 var(--space-4);
}

h2 {
  font-size: clamp(1.4rem, 1.2rem + 1vw, 1.75rem);
  margin: 0 0 var(--space-4);
}

h3 {
  font-size: 1.15rem;
  margin: 0 0 var(--space-2);
}

p {
  margin: 0 0 var(--space-4);
}

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

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid var(--color-navy);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -10rem;
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-small);
  z-index: 10;
}

.skip-link:focus {
  top: var(--space-4);
}

.container {
  width: 100%;
  max-width: var(--width-page);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* Header */

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

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3) var(--space-5);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-ink);
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
}

.brand img {
  width: auto;
  height: 2.25rem;
}

.brand__apps {
  color: var(--color-navy);
  font-weight: 400;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-small);
  color: var(--color-ink);
  font-weight: 600;
  text-decoration: none;
}

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

.site-nav a[aria-current="page"] {
  color: var(--color-navy);
  box-shadow: inset 0 -3px 0 var(--color-teal);
}

/* Page sections */

main {
  display: block;
}

.section {
  padding-top: var(--space-7);
  padding-bottom: var(--space-7);
}

.section + .section {
  padding-top: 0;
}

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

.eyebrow {
  display: inline-block;
  margin: 0 0 var(--space-3);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-navy);
}

.status {
  display: inline-block;
  margin: 0 0 var(--space-4);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-navy);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-navy);
  background: var(--color-tint);
}

/* Device frame (see docs/design-decisions.md).
   The bezel and corners are measured only against the frame's width,
   so every size is the same frame scaled. */

.device {
  container-type: inline-size;
}

.device__frame {
  --bezel: 3.9cqi;
  --radius: 16.7cqi;
  padding: var(--bezel);
  border-radius: var(--radius);
  background: var(--color-bezel);
  box-shadow: var(--shadow-device);
}

.device img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius) - var(--bezel));
  background: var(--color-surface);
}

/* App cards (homepage) */

.app-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.app-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  height: 100%;
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
}

.app-card:focus-within,
.app-card:hover {
  box-shadow: var(--shadow-card);
}

.app-card__shot {
  aspect-ratio: 6 / 7;
  padding-top: 1.75rem;
  overflow: hidden;
  border-radius: var(--radius-medium);
  background: linear-gradient(var(--color-tint), #f3fafb);
}

.app-card__shot .device {
  width: 72%;
  margin: 0 auto;
}

.app-card__title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: 0;
}

.app-card__title img,
.app-hero__icon {
  flex: none;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 22%;
}

.app-card .status {
  align-self: flex-start;
  margin: 0;
}

.app-card__text {
  flex: 1;
  margin: 0;
  color: var(--color-muted);
}

.app-card__link {
  font-weight: 700;
  text-decoration: none;
}

/* The whole card is clickable through the main link. */
.app-card__link::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-large);
}

.app-card__link:focus-visible {
  outline: none;
}

.app-card__link:focus-visible::after {
  outline: 3px solid var(--color-navy);
  outline-offset: 3px;
}

/* App page hero */

.app-hero {
  display: grid;
  gap: var(--space-6);
  align-items: center;
  padding: var(--space-6) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
}

.app-hero__media .device {
  width: min(18rem, 80%);
  margin: 0 auto;
}

.app-hero__heading {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.app-hero__heading h1 {
  margin: 0;
}

.app-hero__icon {
  width: 3.5rem;
  height: 3.5rem;
}

.app-hero__text > :last-child {
  margin-bottom: 0;
}

.app-hero__text p {
  color: var(--color-muted);
}

@media (min-width: 48rem) {
  .app-hero {
    grid-template-columns: 1fr 1.2fr;
    padding: var(--space-7);
  }
}

/* Buttons */

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: var(--space-5) 0 0;
  padding: 0;
  list-style: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: var(--space-2) var(--space-5);
  border: 2px solid var(--color-navy);
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  color: var(--color-surface);
  background: var(--color-navy);
}

.button:hover {
  background: #0d1a4a;
  border-color: #0d1a4a;
}

.button--secondary {
  color: var(--color-navy);
  background: var(--color-surface);
}

.button--secondary:hover {
  color: var(--color-surface);
}

/* Features and gallery */

/* Feature lists read like the store listings: one line per feature, with
   a decorative emoji (hidden from screen readers). */
.feature-list {
  display: grid;
  gap: var(--space-4) var(--space-7);
  max-width: 56rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 1.05rem;
}

@media (min-width: 48rem) {
  .feature-list {
    grid-template-columns: 1fr 1fr;
  }
}

.feature-list li {
  display: flex;
  gap: var(--space-3);
  align-items: baseline;
}

.feature-list__emoji {
  flex: none;
  width: 1.75rem;
  font-size: 1.25rem;
  line-height: 1;
}

.gallery {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.gallery figure {
  margin: 0;
}

.gallery figcaption {
  margin-top: var(--space-3);
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.button-row + .note {
  margin-top: var(--space-4);
}

.note {
  max-width: var(--width-text);
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* Text pages (support, privacy, 404) */

.prose {
  max-width: var(--width-text);
}

.prose h2 {
  margin-top: var(--space-7);
}

.prose h3 {
  margin-top: var(--space-6);
}

.prose h4 {
  font-size: 1rem;
  margin: var(--space-5) 0 var(--space-2);
}

.prose ul {
  margin: 0 0 var(--space-4);
  padding-left: var(--space-5);
}

.prose li + li {
  margin-top: var(--space-1);
}

.prose a {
  overflow-wrap: anywhere;
}

.back-link {
  margin-bottom: var(--space-5);
  font-weight: 600;
}

.back-link a::before {
  content: "← ";
}

.legal__part {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-line);
}

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

.contact-card {
  max-width: var(--width-text);
  margin: var(--space-6) 0;
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
}

.contact-card p:last-child {
  margin-bottom: 0;
}

.email {
  font-weight: 700;
  overflow-wrap: anywhere;
}

.support-list {
  display: grid;
  gap: var(--space-3);
  max-width: var(--width-text);
  margin: 0;
  padding: 0;
  list-style: none;
}

.support-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-medium);
}

.support-list img {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 22%;
}

.subsection-title {
  margin-top: var(--space-7);
}

.support-list__name {
  flex: 1 1 12rem;
  font-weight: 700;
}

/* Footer */

.site-footer {
  margin-top: var(--space-8);
  padding: var(--space-7) 0;
  color: var(--color-muted);
  background: var(--color-surface);
  border-top: 1px solid var(--color-line);
  font-size: 0.95rem;
}

.site-footer__grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
}

.site-footer h2 {
  font-size: 1rem;
  margin-bottom: var(--space-3);
}

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

.site-footer li + li {
  margin-top: var(--space-2);
}

.site-footer .social-links {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.site-footer .social-links li + li {
  margin-top: 0;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-small);
}

.social-links a:hover {
  background: var(--color-page);
}

.social-links img {
  width: 1.5rem;
  height: 1.5rem;
}

.site-footer__copyright {
  margin: var(--space-6) 0 0;
}

@media (prefers-reduced-motion: no-preference) {
  .app-card,
  .button,
  .site-nav a {
    transition: background-color 0.15s, box-shadow 0.15s, color 0.15s;
  }
}