/* ---------- THEME TOKENS (global) ---------- */
:root {
  --max: 1100px;
  --pad: 16px;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
}

/* Default theme = dark */
:root, html[data-theme="dark"] {
  --bg: #0b0d12;
  --panel: #121622;
  --text: #e9eefc;
  --muted: #aab3cf;
  --border: rgba(255,255,255,0.10);
  --btn-bg: rgba(255,255,255,0.04);
  --nav-bg: rgba(11,13,18,0.75);
  --nav-link-bg: rgba(255,255,255,0.06);
  --nav-menu-bg: rgba(18, 22, 34, 0.98);
}

/* Light theme overrides */
html[data-theme="light"] {
  --bg: #ffffff;
  --panel: #f4f6fb;
  --text: #101828;
  --muted: #475467;
  --border: rgba(16,24,40,0.12);
  --btn-bg: rgba(16,24,40,0.04);
  --nav-bg: rgba(255,255,255,0.85);
  --nav-link-bg: rgba(16,24,40,0.06);
  --nav-menu-bg: rgba(255,255,255,0.98);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

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

main.container{
  padding: 24px 0 48px;
}

/* Accessibility helpers */
.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  background: #fff;
  color: #000;
  padding: 8px 12px;
  border-radius: 8px;
}
.skip-link:focus { left: 12px; z-index: 9999; }

.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;
}

/* Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--nav-bg);      /* <-- change this */
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px var(--pad);
  max-width: var(--max);
  margin: 0 auto;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.2px;
  white-space: nowrap;
}

.nav-menu {
  list-style: none;
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-actions{
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-menu a {
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
}
.nav-menu a.active,
.nav-menu a:hover {
  color: var(--text);
  background: var(--nav-link-bg);  /* <-- change this */
  text-decoration: none;
}

/* Mobile nav toggle button */
.nav-toggle {
  display: none; /* shown on mobile */
  border: 1px solid var(--border);
  background: var(--btn-bg);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
}
.hamburger {
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--text);
  position: relative;
}
.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--text);
}
.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 28px;
  align-items: center;
  padding: 34px 0 18px;
}

.hero-media img {
  width: 100%;
  max-width: 300px;   /* try 300–420px range */
  height: auto;
  margin-inline: auto;   /* centers it */
  display: block;

  border-radius: 24px;
}


.hero-content h1 {
  font-size: clamp(28px, 4vw, 44px);
  margin: 0 0 10px;
}
.hero-content p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn.primary {
  background: rgba(255,255,255,0.12);
}

.hero-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: 18px 0 40px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
  box-shadow: var(--shadow);
}
.card h2 { margin: 0 0 8px; font-size: 1.1rem; }
.card p { margin: 0 0 10px; color: var(--muted); }
.card a { color: var(--text); }

/* Footer */


/* --- Responsive breakpoints --- */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-top: 22px; }
  .cards { grid-template-columns: 1fr; }
}

/* Mobile nav pattern */
@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }

  .nav-menu {
    /* collapsed by default on mobile */
    display: none;
    position: absolute;
    top: 58px;
    right: var(--pad);
    left: var(--pad);
    flex-direction: column;
    gap: 6px;
    padding: 10px;
    background: var(--nav-menu-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow);
  }

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

  .nav-menu a {
    width: 100%;
    padding: 12px 12px; /* large tap targets */
  }
}
/* HEADER CSS */


/* FOOTER CSS */
.site-footer{
  color: var(--muted);
  text-align: center;
  padding: 20px 12px 28px;
}

.footer-disclaimer {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  max-width: 900px;
  margin: 0 auto 12px;
  line-height: 1.5;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 14px 0 12px;
}

.footer-copy {
  font-size: 0.9rem;
  opacity: 0.75;
}

.theme-toggle{
  border: 1px solid var(--border);
  background: var(--btn-bg);
  color: var(--text);
  border-radius: 12px;
  padding: 8px 10px;
  cursor: pointer;
}