/* ═══════════════════════════════════════════════════════════
   Matn Marketing Site - Al-Mir'aj Design System
   "The Quiet Library" - Reverent, restrained, scholarly
   ═══════════════════════════════════════════════════════════ */

/* ─── Font Faces ─────────────────────────────────────────── */

@font-face {
  font-family: 'Amiri';
  src: url('fonts/Amiri-Regular-subset.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Amiri';
  src: url('fonts/Amiri-Bold-subset.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Urbanist';
  src: url('fonts/Urbanist-Variable-subset.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ─── CSS Custom Properties (Light Mode Default) ─────────── */

:root {
  /* Colors - Light Mode */
  --color-background: #F8F6F2;      /* dawnMist */
  --color-surface: #FEFDFB;         /* dawnCloud */
  --color-text: #1A1714;            /* midnightText */
  --color-text-muted: #4A4A5A;      /* mutedIndigo */
  --color-accent: #C9A962;          /* horizonGold */
  --color-accent-muted: #B8973A;    /* antiqueGold */
  --color-accent-fg: #86681C;       /* AA-safe gold for text on light bg */
  --color-border: rgba(26, 23, 20, 0.1);
  --color-surface-alt: #F0EDE8;

  /* Typography */
  --font-arabic: 'Amiri', serif;
  --font-latin: 'Urbanist', sans-serif;

  /* Spacing (4px base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;

  /* Radius */
  --radius-small: 8px;
  --radius-medium: 12px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
}

:root[data-theme="dark"] {
  --color-background: #0C0B0A;
  --color-surface: #141210;
  --color-text: #F0EDE8;
  --color-text-muted: #9E9890;
  --color-accent: #C9A962;
  --color-accent-muted: #B8973A;
  --color-accent-fg: #C9A962;
  --color-border: rgba(240, 237, 232, 0.1);
  --color-surface-alt: #1E1B18;
}

/* ─── Dark Mode ──────────────────────────────────────────── */

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-background: #0C0B0A;    /* voidBlack */
    --color-surface: #141210;       /* voidDeep */
    --color-text: #F0EDE8;          /* starlight */
    --color-text-muted: #9E9890;    /* warm neutral */
    --color-accent: #C9A962;        /* horizonGold */
    --color-accent-muted: #B8973A;  /* antiqueGold */
    --color-accent-fg: #C9A962;
    --color-border: rgba(240, 237, 232, 0.1);
    --color-surface-alt: #1E1B18;
  }
}

/* ─── Accessibility ─────────────────────────────────────── */

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-surface);
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  color: var(--color-text);
  font-size: 0.875rem;
  z-index: 1000;
  transition: top var(--transition-fast);
}

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

/* ─── Focus States ──────────────────────────────────────── */

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

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

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

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

/* ─── Reset & Base ───────────────────────────────────────── */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

body {
  font-family: var(--font-latin);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  transition: background-color var(--transition-normal),
              color var(--transition-normal);
}

/* ─── Typography ─────────────────────────────────────────── */

h1, h2, h3 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: var(--space-6);
}

h3 {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
}

p {
  margin-bottom: var(--space-4);
  max-width: 65ch;
}

a {
  color: var(--color-accent-fg);
  text-decoration: none;
  text-underline-offset: 3px;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

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

a:active {
  opacity: 0.7;
}

/* ─── Header / Nav ───────────────────────────────────────── */

header {
  position: sticky;
  top: 0;
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  backdrop-filter: blur(12px);
  background-color: var(--color-background);
  background-color: color-mix(in srgb, var(--color-background) 85%, transparent);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

a.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

a.logo:hover {
  color: var(--color-text);
  text-decoration: none;
}

.logo-mark {
  font-family: var(--font-arabic);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
  background: var(--color-surface-alt);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  line-height: 1;
  padding-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-inline-start: auto;
}

.nav-link {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-text);
  text-decoration: none;
}

.lang-toggle,
.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  font-family: var(--font-latin);
  font-size: 0.875rem;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-toggle {
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
}

.theme-toggle {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.theme-toggle:hover,
.lang-toggle:hover {
  border-color: var(--color-accent);
  background-color: var(--color-surface);
}

.theme-toggle:active,
.lang-toggle:active {
  transform: scale(0.97);
  background-color: var(--color-border);
}

.theme-icon {
  font-size: 1rem;
  line-height: 1;
}

.lang-toggle .lang-en,
.lang-toggle .lang-ar {
  transition: opacity var(--transition-fast);
}

[lang="en"] .lang-toggle .lang-ar { opacity: 0.5; }
[lang="ar"] .lang-toggle .lang-en { opacity: 0.5; }

.lang-divider {
  opacity: 0.3;
  margin: 0 var(--space-2);
}

section {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-16) var(--space-6);
}

footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6);
  text-align: center;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.contact a,
footer a,
.policy-content a {
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.no-js-notice {
  display: none;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6) var(--space-4);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.no-js .enhancement-only {
  display: none;
}

.no-js .no-js-notice {
  display: block;
}

/* Language visibility — driven by html[lang] set in <head>.
   !important is required to beat component display values
   (e.g. .hero-badge { display: inline-block }, .nav-link { display: inline-flex }). */
[data-lang="ar"] { display: none !important; }
[lang="ar"] [data-lang="en"] { display: none !important; }
[lang="ar"] [data-lang="ar"] { display: revert !important; }

/* ─── Hero Section ───────────────────────────────────────── */

.hero {
  text-align: center;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.hero-brand {
  font-family: var(--font-arabic);
  font-size: clamp(4rem, 12vw, 8rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-6);
  opacity: 0.2;
}

.hero h1 {
  margin-bottom: var(--space-4);
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
}

.tagline {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 48ch;
  margin: 0 auto;
  line-height: 1.6;
}

.hero-badges {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-8);
  flex-wrap: wrap;
}

.hero-badge {
  display: inline-block;
  padding: var(--space-2) var(--space-5);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.01em;
}

/* Subtle gold rule beneath hero */
.hero .hero-badges::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: var(--color-accent);
  opacity: 0.4;
  margin: var(--space-8) auto 0;
  flex-basis: 100%;
}

/* ─── Poetry Sample ──────────────────────────────────────── */

.poetry-sample {
  background-color: var(--color-surface);
  border-radius: var(--radius-medium);
  padding: var(--space-12);
  margin-bottom: var(--space-16);
  position: relative;
}

/* Subtle geometric inner border - manuscript inspired */
.poetry-sample::before {
  content: '';
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  right: var(--space-4);
  bottom: var(--space-4);
  border: 1px solid var(--color-accent);
  opacity: 0.15;
  pointer-events: none;
  border-radius: var(--radius-small);
}

.poetry-sample h2 {
  text-align: center;
  margin-bottom: var(--space-8);
}

.poem-lines {
  font-family: var(--font-arabic);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  line-height: 2.2;
  letter-spacing: 0;
  text-align: center;
  direction: rtl;
}

.poem-lines {
  counter-reset: verse;
}

.couplet {
  margin-bottom: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
  counter-increment: verse;
}

.hemistich {
  color: var(--color-text);
}

.poem-attribution {
  text-align: center;
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: var(--space-8);
  margin-bottom: 0;
}

/* ─── Features Grid ──────────────────────────────────────── */

.features {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

.features h2 {
  text-align: center;
  margin-bottom: var(--space-12);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}

.feature {
  padding: var(--space-8) var(--space-6);
  background-color: var(--color-surface);
  border-radius: var(--radius-medium);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast);
}

.feature:hover {
  border-color: var(--color-accent);
}

.feature-icon-wrap {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-small);
  background: var(--color-surface-alt);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.feature h3 {
  color: var(--color-text);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  margin-bottom: var(--space-3);
}

.feature p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 0;
}

/* ─── Library Section ────────────────────────────────────── */

.library {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

.library h2 {
  text-align: center;
  margin-bottom: var(--space-3);
}

.library-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: var(--space-12);
  max-width: none;
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-4);
}

.library-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  transition: border-color var(--transition-fast);
}

.library-card:hover {
  border-color: var(--color-accent);
}

.library-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent-fg);
  margin-bottom: var(--space-3);
}

.library-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

.library-arabic {
  font-family: var(--font-arabic);
  font-size: 1.125rem;
  color: var(--color-text);
  direction: rtl;
  margin-bottom: var(--space-2);
}

[lang="ar"] .library-arabic {
  font-family: var(--font-latin);
  direction: ltr;
}

.library-author {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.library-card--more {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--color-surface-alt);
  border-style: dashed;
}

.library-card--more .library-count {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent-fg);
  margin-bottom: var(--space-2);
}

.library-card--more p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
  max-width: none;
}

/* ─── How It Works ───────────────────────────────────────── */

.how-it-works {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

.how-it-works h2 {
  text-align: center;
  margin-bottom: var(--space-12);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-8);
  max-width: 900px;
  margin: 0 auto;
}

.step {
  text-align: center;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-accent);
  color: var(--color-accent-fg);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.step h3 {
  margin-bottom: var(--space-3);
  font-size: 1.125rem;
}

.step p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  max-width: 32ch;
  margin: 0 auto;
}

/* ─── About Section ──────────────────────────────────────── */

.about {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

.about h2 {
  text-align: center;
  margin-bottom: var(--space-12);
}

.about-content {
  max-width: 65ch;
  margin: 0 auto;
}

.about-content p {
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: var(--space-6);
}

/* ─── Download Section ───────────────────────────────────── */

.download {
  text-align: center;
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

.download h2 {
  margin-bottom: var(--space-12);
}

.store-badges {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.badge-container {
  text-align: center;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 76px;
  padding: var(--space-6) var(--space-10);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text-muted);
  min-width: 200px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
}

.store-badge:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent);
}

.store-badge:active {
  transform: scale(0.98);
  background-color: var(--color-border);
}

.badge-label {
  margin-top: var(--space-3);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.contact {
  margin-top: var(--space-12);
  color: var(--color-text-muted);
}

/* ─── RTL Support ────────────────────────────────────────── */

[dir="rtl"] {
  direction: rtl;
}

[dir="rtl"] body {
  font-family: var(--font-arabic);
  letter-spacing: 0;
}

[dir="rtl"] .lang-toggle,
[dir="rtl"] .theme-toggle,
[dir="rtl"] .badge-label,
[dir="rtl"] .contact {
  font-family: var(--font-arabic);
}

[dir="rtl"] .poem-lines {
  direction: rtl;
}

[dir="rtl"] .nav-link {
  font-family: var(--font-arabic);
}

[dir="rtl"] .library-card h3 {
  font-family: var(--font-arabic);
}

[dir="rtl"] .library-category {
  font-family: var(--font-arabic);
  text-transform: none;
  letter-spacing: 0;
}

/* ─── Privacy Policy Page ────────────────────────────────── */

.privacy-policy {
  max-width: 800px;
  padding-top: var(--space-12);
  padding-bottom: var(--space-16);
}

.privacy-policy h1 {
  text-align: center;
  margin-bottom: var(--space-8);
}

.policy-content {
  max-width: 65ch;
  margin: 0 auto;
}

.last-updated {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-bottom: var(--space-12);
}

.policy-content h2 {
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
  font-size: 1.5rem;
  color: var(--color-accent-fg);
}

.policy-content ul {
  margin-inline-start: var(--space-6);
  margin-bottom: var(--space-6);
  line-height: 1.8;
}

.policy-content li {
  margin-bottom: var(--space-3);
}

/* ─── Responsive ─────────────────────────────────────────── */

@media (max-width: 768px) {
  section {
    padding-inline: var(--space-4);
  }

  nav {
    align-items: flex-start;
  }

  .nav-links {
    width: 100%;
    order: 3;
    gap: var(--space-2);
  }

  .nav-actions {
    margin-inline-start: 0;
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: var(--color-surface);
  }

  .poetry-sample {
    padding: var(--space-6);
  }

  .poem-lines {
    font-size: 1.125rem;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

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

  .store-badges {
    flex-direction: column;
    align-items: center;
  }

  .hero {
    padding-top: var(--space-12);
  }
}

/* Tablet: 2-column feature grid */
@media (min-width: 769px) and (max-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 769px) {
  .couplet {
    flex-direction: row;
    justify-content: space-between;
    gap: var(--space-8);
  }

  /* Traditional caesura mark between hemistichs */
  .couplet::after {
    content: '\06DD';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: var(--color-accent);
    opacity: 0.4;
    font-size: 1.25rem;
    pointer-events: none;
  }

  /* Subtle verse numbers */
  .couplet::before {
    content: counter(verse);
    position: absolute;
    left: calc(100% + var(--space-4));
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    opacity: 0.3;
    font-size: 0.875rem;
    font-family: var(--font-latin);
  }

  .hemistich {
    flex: 1;
  }
}

/* ─── Scroll Animations ─────────────────────────────────── */

@media (prefers-reduced-motion: no-preference) {
  .animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Print Styles ──────────────────────────────────────── */

@media print {
  header,
  footer,
  .lang-toggle,
  .nav-links,
  .store-badges,
  .contact,
  .skip-link,
  .hero-brand,
  .hero-badges {
    display: none !important;
  }

  body {
    background: white !important;
    color: black !important;
    font-size: 12pt;
  }

  section {
    padding: 24pt 0 !important;
    max-width: none !important;
  }

  .poetry-sample {
    border: 1pt solid #ccc;
    padding: 24pt !important;
    background: #fafafa !important;
    page-break-inside: avoid;
  }

  .poetry-sample::before {
    display: none;
  }

  .feature,
  .library-card {
    border: 1pt solid #ccc;
    page-break-inside: avoid;
  }

  a {
    color: inherit !important;
    text-decoration: underline;
  }

  a[href^="http"]::after {
    content: ' (' attr(href) ')';
    font-size: 0.8em;
    opacity: 0.7;
  }

  a[href^="mailto"]::after {
    content: ' (' attr(href) ')';
    font-size: 0.8em;
    opacity: 0.7;
  }

  h1, h2, h3 {
    page-break-after: avoid;
  }

  .about-content,
  .policy-content {
    max-width: none !important;
  }
}