/* ===== Reset ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ===== Design Tokens ===== */
:root {
  --bg-primary: #FAF7F2;
  --bg-card: #F5F0E8;
  --accent: #C9A227;
  --accent-hover: #B08E1F;
  --text-primary: #1E3A5F;
  --text-secondary: #5A6978;
  --success: #7A9E7E;
  --alert: #C17767;
  --border: #E8D5A3;
  --max-width: 1000px;
  --font-stack: -apple-system, BlinkMacSystemFont, "SF Pro Rounded", "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #1C1B19;
    --bg-card: #2A2826;
    --accent: #D4B84A;
    --accent-hover: #E0C85A;
    --text-primary: #E8E4DC;
    --text-secondary: #9CA3AB;
    --success: #8FB88F;
    --alert: #D88A7A;
    --border: #4A4538;
  }
}

/* ===== Base ===== */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent);
  text-decoration: none;
}

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

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

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.3;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.25rem; }

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

/* ===== Layout ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

main {
  flex: 1;
}

/* ===== Navigation ===== */
.nav {
  background-color: var(--bg-card);
  border-bottom: 2px solid var(--border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  text-decoration: none;
  display: flex;
  align-items: center;
}

.nav-brand img {
  height: 36px;
  width: auto;
}

.nav-brand:hover {
  opacity: 0.8;
  text-decoration: none;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: transform 0.3s, opacity 0.3s;
}

/* ===== Footer ===== */
.footer {
  background-color: var(--bg-card);
  border-top: 2px solid var(--border);
  padding: 2rem 0;
  margin-top: 4rem;
  text-align: center;
}

.footer-links {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-copy {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* ===== Hero ===== */
.hero {
  text-align: center;
  padding: 4rem 0 3rem;
}

.hero h1 {
  margin-bottom: 1rem;
}

.hero-logo {
  max-width: 400px;
  height: auto;
  margin: 0 auto 1.5rem;
}

.hero .tagline {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== App Cards (Home Page) ===== */
.app-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem 0;
}

.app-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.app-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.app-card img {
  width: 80px;
  height: 80px;
  border-radius: 18px;
  margin: 0 auto 1rem;
}

.app-card h3 {
  margin-bottom: 0.75rem;
}

.app-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.btn {
  display: inline-block;
  background-color: var(--accent);
  color: var(--bg-primary);
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  padding: 0.6rem 1.5rem;
  font-size: 0.9rem;
}

.btn:hover {
  background-color: var(--accent-hover);
  color: var(--bg-primary);
  text-decoration: none;
}

/* ===== App Detail Page ===== */
.app-header {
  text-align: center;
  padding: 3rem 0 2rem;
}

.app-header img {
  width: 120px;
  height: 120px;
  border-radius: 24px;
  margin: 0 auto 1.5rem;
}

.app-header p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 1rem auto 0;
  font-size: 1.05rem;
}

.app-features {
  padding: 2rem 0;
}

.app-features h2 {
  margin-bottom: 1.5rem;
  text-align: center;
}

.feature-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
}

.feature-item h3 {
  color: var(--accent);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.feature-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.app-screenshots {
  padding: 2rem 0;
  text-align: center;
}

.app-screenshots h2 {
  margin-bottom: 1.5rem;
}

.screenshot-grid {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.screenshot {
  width: 180px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.screenshot-placeholder {
  width: 200px;
  height: 360px;
  background-color: var(--bg-card);
  border: 2px dashed var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.app-cta {
  text-align: center;
  padding: 3rem 0;
}

.app-store-badge {
  height: 40px;
  width: auto;
  max-width: 150px;
  opacity: 0.5;
  transition: opacity 0.2s;
}

.app-store-badge:hover {
  opacity: 0.7;
}

.app-cta .coming-soon-note {
  display: block;
  margin-top: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.app-cta .btn {
  padding: 0.8rem 2rem;
  font-size: 1rem;
}

.badge-coming-soon {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  background-color: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
}

/* ===== Content Pages (About, Privacy, Support, Blog) ===== */
.page-content {
  padding: 3rem 0;
}

.page-content h1 {
  margin-bottom: 2rem;
  text-align: center;
}

.page-content h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}

.page-content p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.page-content ul {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

.page-content li {
  margin-bottom: 0.5rem;
}

.page-content a {
  color: var(--accent);
}

/* ===== Centered Message (Blog placeholder) ===== */
.centered-message {
  text-align: center;
  padding: 6rem 0;
}

.centered-message h1 {
  margin-bottom: 1rem;
}

.centered-message p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* ===== Contact ===== */
.contact-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  max-width: 500px;
  margin: 2rem auto;
}

.contact-card h2 {
  border: none;
  margin-top: 0;
}

.contact-card a {
  font-size: 1.1rem;
}

/* ===== Language Switcher ===== */
.nav-lang {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.nav-lang:hover {
  color: var(--accent);
  border-color: var(--accent);
  text-decoration: none;
}

/* ===== RTL Support ===== */
[dir="rtl"] {
  text-align: right;
}

[dir="rtl"] .nav .container {
  flex-direction: row-reverse;
}

[dir="rtl"] .nav-links {
  flex-direction: row-reverse;
}

[dir="rtl"] .footer-links {
  flex-direction: row-reverse;
}

[dir="rtl"] .page-content ul {
  padding-left: 0;
  padding-right: 1.5rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.35rem; }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-card);
    border-bottom: 2px solid var(--border);
    padding: 1rem 1.5rem;
    gap: 0.75rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .nav {
    position: relative;
  }

  .hero {
    padding: 2.5rem 0 2rem;
  }

  .hero-logo {
    max-width: 65%;
  }

  .app-store-badge {
    height: 36px;
    max-width: 120px;
  }

  .screenshot {
    width: 140px;
  }

  .screenshot-placeholder {
    width: 150px;
    height: 270px;
  }

  [dir="rtl"] .nav-links {
    flex-direction: column;
    left: 0;
    right: 0;
  }
}