/* Bidadari — site styles.
   Light mode only for V1. All colour, spacing and sizing decisions live in the
   custom properties below, so a dark theme can later be added by redefining them. */

:root {
  --bg: #faf9f7;
  --surface: #ffffff;
  --text: #1d1d1f;
  --text-2: #5c5c63;
  --border: #e5e2dc;
  --accent: #2f5d8a;

  --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;
  --space-9: 6rem;

  --radius: 8px;
  --radius-lg: 12px;

  --width: 68rem;
  --measure: 38rem;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: var(--space-7);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.015em;
}

p {
  margin: 0;
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

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

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

.container {
  width: min(100% - 2rem, var(--width));
  margin-inline: auto;
}

.skip {
  position: absolute;
  left: var(--space-4);
  top: -4rem;
  padding: var(--space-2) var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  z-index: 10;
}

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

/* Header */

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

.site-header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2) var(--space-6);
  min-height: 4rem;
  padding-block: var(--space-2);
}

.wordmark {
  color: var(--text);
  font-weight: 600;
  font-size: 1.1875rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-nav ul {
  display: flex;
  gap: var(--space-5);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: inline-block;
  padding-block: var(--space-2);
  color: var(--text-2);
  font-size: 0.9375rem;
  text-decoration: none;
  transition: color 0.15s;
}

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

/* Hero */

.hero {
  padding-block: var(--space-9) var(--space-8);
}

.eyebrow {
  margin-bottom: var(--space-3);
  color: var(--text-2);
  font-size: 0.9375rem;
  font-weight: 500;
}

.hero h1 {
  max-width: 20ch;
  font-size: clamp(2.125rem, 5vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.hero .lead {
  max-width: var(--measure);
  margin-top: var(--space-5);
  color: var(--text-2);
  font-size: 1.1875rem;
}

.text-link {
  display: inline-block;
  margin-top: var(--space-6);
  font-weight: 500;
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
}

/* Sections */

.section {
  padding-block: var(--space-8);
  border-top: 1px solid var(--border);
}

.section-head {
  margin-bottom: var(--space-6);
}

.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 1.875rem);
}

.section-head p {
  margin-top: var(--space-2);
  color: var(--text-2);
}

/* App grid: scales from a handful of apps to many */

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15.5rem, 1fr));
  gap: var(--space-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.app-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.15s;
}

.app-card:hover,
.app-card:focus-within {
  border-color: #b9b5ac;
}

.app-card h3 {
  font-size: 1.0625rem;
}

.app-card h3 a {
  color: var(--text);
  text-decoration: none;
}

/* Stretched link: the whole card is clickable, one link for keyboards */
.app-card h3 a::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
}

.app-card h3 a:focus-visible {
  outline: none;
}

.app-card:has(h3 a:focus-visible) {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.app-card p {
  color: var(--text-2);
  font-size: 0.9375rem;
}

.app-meta {
  margin-top: auto;
  padding-top: var(--space-3);
  color: var(--text-2);
  font-size: 0.875rem;
}

/* Placeholder app icon. Replace with <img> from /assets/icons/apps/ when final icons exist. */

.app-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: var(--space-2);
  background: #efede8;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-2);
  font-weight: 600;
  font-size: 1.125rem;
}

.app-icon img {
  width: 100%;
  height: 100%;
  border-radius: inherit;
}

.app-icon-lg {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 16px;
  font-size: 1.75rem;
}

/* Principles and platforms */

.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: var(--space-6);
  margin: 0;
}

.principles dt {
  font-weight: 600;
}

.principles dd {
  margin: var(--space-2) 0 0;
  color: var(--text-2);
  font-size: 0.9375rem;
}

.platform-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-5) 0 0;
  padding: 0;
  list-style: none;
}

.platform-list li {
  padding: var(--space-1) var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
}

.note {
  max-width: var(--measure);
  margin-top: var(--space-4);
  color: var(--text-2);
  font-size: 0.9375rem;
}

/* Inner pages */

.page {
  padding-block: var(--space-8) var(--space-9);
}

.page > .container > * {
  max-width: var(--measure);
}

.page > .container > .app-grid,
.page > .container > .link-list {
  max-width: none;
}

.page h1 {
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  letter-spacing: -0.02em;
}

.page .lead {
  margin-top: var(--space-4);
  color: var(--text-2);
  font-size: 1.1875rem;
}

.page h2 {
  margin-top: var(--space-7);
  font-size: 1.25rem;
}

.page p + p {
  margin-top: var(--space-4);
}

.back-link {
  display: inline-block;
  margin-bottom: var(--space-5);
  font-size: 0.9375rem;
  text-decoration: none;
}

.back-link:hover {
  text-decoration: underline;
}

.app-head {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}

.app-head .app-icon {
  margin-bottom: 0;
}

.status {
  margin-top: var(--space-1);
  color: var(--text-2);
  font-size: 0.9375rem;
}

.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
}

.link-list {
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--border);
}

.link-list li {
  border-bottom: 1px solid var(--border);
}

.link-list a {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
  color: var(--text);
  text-decoration: none;
  transition: color 0.15s;
}

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

.link-list span {
  color: var(--text-2);
  font-size: 0.9375rem;
}

/* Footer */

.site-footer {
  margin-top: var(--space-8);
  padding-block: var(--space-7) var(--space-6);
  border-top: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.9375rem;
}

.site-footer .container {
  display: grid;
  gap: var(--space-5);
}

.footer-brand strong {
  color: var(--text);
  font-weight: 600;
}

.site-footer ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-5);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer a {
  display: inline-block;
  padding-block: var(--space-1);
  color: var(--text-2);
  text-decoration: none;
}

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

@media (min-width: 48rem) {
  .site-footer .container {
    grid-template-columns: 1fr auto;
    align-items: start;
  }

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

@media (max-width: 30rem) {
  .hero {
    padding-block: var(--space-8) var(--space-7);
  }

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

  .site-nav ul {
    gap: var(--space-4);
  }
}