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

:root {
  --bg: #1a8fc4;
  --bg-dark: #006496;
  --bg-card: color-mix(in srgb, var(--bg-dark) 70%, transparent);
  --bg-section: #1a8fc4;
  --bg-section-alt: #1580b2;
  --text: #ffffff;
  --text-muted: rgba(255,255,255,.85);
  --text-caption: rgba(255,255,255,.9);
  --border: rgba(255,255,255,.2);
  --max-w: 1200px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Roboto', 'Arial', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--text); text-decoration: underline; transition: opacity .2s; }
a:hover { opacity: 0.8; }

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

/* ===== Utilities ===== */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ===== Navigation ===== */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-card);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
nav .logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}
nav .logo-link img { height: 36px; width: auto; }
nav .logo-link span { font-weight: 700; font-size: 1.2rem; }

nav .nav-links { display: flex; gap: 24px; list-style: none; align-items: center; }
nav .nav-links a {
  color: var(--text-muted);
  font-size: .95rem;
  font-weight: 500;
  text-decoration: none;
  transition: color .2s;
}
nav .nav-links a:hover,
nav .nav-links a.active { color: #fff; }

.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; }

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  nav .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--bg-card);
    padding: 16px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }
  nav .nav-links.open { display: flex; }
}

/* ===== Hero / Intro ===== */
.hero {
  padding: 60px 0 40px;
}
.hero p {
  font-size: 1.15rem;
  line-height: 1.8;
  max-width: 800px;
}

/* ===== Store Badges ===== */
.store-badges {
  display: flex;
  gap: 40px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 40px 0;
  border-bottom: 2px solid var(--border);
}
.store-badges a {
  display: inline-block;
  text-decoration: none;
  transition: transform .15s;
}
.store-badges a:hover {
  transform: translateY(-2px);
}
.store-badges img {
  height: 70px;
  width: auto;
}

/* ===== Features Grid ===== */
.features {
  padding: 50px 0;
}
.features h2 {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 40px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 28px;
  border: 1px solid rgba(255,255,255,.1);
  transition: transform .3s, border-color .3s;
}
.feature-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255,255,255,.25);
}
.feature-card .icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}
.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: #fff;
}
.feature-card p {
  color: var(--text-muted);
  font-size: .92rem;
  line-height: 1.6;
}

/* ===== How To Use Section ===== */
.how-to-section {
  padding: 50px 0;
}
.how-to-section h2 {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 40px;
}
.how-to-card {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 32px;
  border: 1px solid rgba(255,255,255,.1);
  margin-bottom: 24px;
}
.how-to-card .icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}
.how-to-card h3 {
  font-size: 1.2rem;
  margin-bottom: 16px;
  color: #fff;
}
.how-to-card p {
  color: var(--text-muted);
  font-size: .95rem;
  line-height: 1.7;
  margin-bottom: 12px;
}
.how-to-card p:last-child { margin-bottom: 0; }

/* ===== Screenshots Section ===== */
.screenshots {
  padding: 50px 0 30px;
}
.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.screenshot-item {
  text-align: center;
}
.screenshot-item img {
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
  border-radius: 12px;
}
.screenshot-caption {
  font-style: italic;
  color: var(--text-caption);
  font-size: .95rem;
  margin-top: 16px;
  line-height: 1.5;
}

.screenshots-divider {
  border: none;
  border-top: 2px solid var(--border);
  margin: 40px 0;
}

@media (max-width: 900px) {
  .screenshots-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 500px) {
  .screenshots-grid { grid-template-columns: 1fr; }
}

/* ===== Closing Text ===== */
.closing {
  padding: 50px 0 40px;
  border-top: 2px solid var(--border);
}
.closing p {
  font-size: 1.05rem;
  line-height: 1.8;
  max-width: 800px;
  margin-bottom: 24px;
}
.closing p:last-child { margin-bottom: 0; }
.closing .thanks {
  text-align: center;
  margin-top: 16px;
}

/* ===== APIs Section ===== */
.apis {
  padding: 30px 0 40px;
  border-top: 2px solid var(--border);
}
.apis h3 {
  font-size: 1rem;
  margin-bottom: 12px;
}
.apis ul {
  list-style: disc;
  padding-left: 24px;
}
.apis li {
  margin-bottom: 6px;
  font-size: .95rem;
}
.apis a {
  color: var(--text);
}

/* ===== Footer ===== */
footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
  font-size: .9rem;
  color: var(--text-muted);
}
footer a { color: var(--text-muted); margin: 0 8px; }

/* ===== Legal / Text Pages ===== */
.legal {
  padding: 50px 0 60px;
}
.legal h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}
.legal .last-updated {
  color: var(--text-muted);
  margin-bottom: 32px;
  font-size: .9rem;
}
.legal h2 {
  font-size: 1.4rem;
  margin: 36px 0 12px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}
.legal h3 {
  font-size: 1.15rem;
  margin: 24px 0 8px;
}
.legal p, .legal li {
  color: var(--text-muted);
  margin-bottom: 12px;
  font-size: .95rem;
  line-height: 1.7;
}
.legal ul, .legal ol {
  padding-left: 24px;
  margin-bottom: 16px;
}
.legal a { color: var(--text); }

/* ===== How To Use Page ===== */
.how-to {
  padding: 50px 0 60px;
}
.how-to h1 {
  font-size: 2rem;
  margin-bottom: 32px;
}
.how-to h2 {
  font-size: 1.4rem;
  margin: 36px 0 16px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}
.how-to p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.7;
  max-width: 800px;
}

/* ===== Contact / Delete Data ===== */
.simple-page {
  padding: 60px 0 80px;
  min-height: 50vh;
}
.simple-page h1 {
  font-size: 2rem;
  margin-bottom: 16px;
}
.simple-page p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 700px;
}