/* ================================================================
   LACUNA ASTRO — Shared Stylesheet
   Used by: index.html, courses.html, shop.html
================================================================ */

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

/* ── Design Tokens ── */
:root {
  --deep:    #0a0612;
  --dark:    #110d1e;
  --mid:     #1c1532;
  --purple:  #6c3fc5;
  --violet:  #9b59e8;
  --lavender:#c4a8f5;
  --gold:    #e8c96a;
  --gold2:   #f5dfa0;
  --white:   #f0eaff;
  --muted:   #a89bc2;
}

/* ── Base ── */
html { scroll-behavior: smooth; }

body {
  background: var(--deep);
  color: var(--white);
  font-family: 'Raleway', sans-serif;
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── Starfield background ── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0;
  background-image:
    radial-gradient(1px 1px at 10% 15%, rgba(255,255,255,.7) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 40%, rgba(255,255,255,.5) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 50% 10%, rgba(255,255,255,.8) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 60%, rgba(255,255,255,.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 85% 30%, rgba(255,255,255,.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 35% 75%, rgba(255,255,255,.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 85%, rgba(255,255,255,.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 90%, rgba(255,255,255,.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 5%  90%, rgba(255,255,255,.5) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 45% 50%, rgba(255,255,255,.3) 0%, transparent 100%);
  pointer-events: none;
}

/* ── Navigation ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 6%;
  background: linear-gradient(to bottom, rgba(10,6,18,.95), rgba(10,6,18,.7));
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(108,63,197,.25);
}
.nav-logo {
  font-family: 'Cinzel', serif; font-size: 1.4rem; font-weight: 700;
  color: var(--gold); letter-spacing: 2px; text-decoration: none;
}
.nav-logo span { color: var(--lavender); }
.nav-links { display: flex; gap: 32px; list-style: none; align-items: center; }
.nav-links a {
  color: var(--muted); font-size: .9rem; letter-spacing: 1px;
  text-decoration: none; text-transform: uppercase; font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--gold); }

/* ── Shared section typography ── */
.section-label {
  font-size: .72rem; letter-spacing: 4px; text-transform: uppercase;
  color: var(--gold); margin-bottom: 12px; display: block;
}
.section-title {
  font-family: 'Cinzel', serif; font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 600; margin-bottom: 16px; color: var(--white);
}
.section-sub { color: var(--muted); max-width: 560px; }
.center { text-align: center; }
.center .section-sub { margin: 0 auto; }

/* ── Hero tag (pill label used on all pages) ── */
.hero-tag {
  display: inline-block;
  font-size: .75rem; letter-spacing: 3px; text-transform: uppercase;
  color: var(--gold); border: 1px solid rgba(232,201,106,.3);
  padding: 6px 20px; border-radius: 20px; margin-bottom: 24px;
}

/* ── Page hero (courses + shop inner pages) ── */
.page-hero {
  position: relative; z-index: 1;
  padding: 160px 6% 80px; text-align: center;
  background: radial-gradient(ellipse 80% 60% at 50% 30%, rgba(108,63,197,.2) 0%, transparent 70%);
}
.page-hero h1 {
  font-family: 'Cinzel', serif; font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 700; line-height: 1.1; margin-bottom: 18px;
  background: linear-gradient(135deg, var(--gold2) 0%, var(--lavender) 60%, var(--violet) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.page-hero p {
  font-size: 1.1rem; color: var(--muted); max-width: 560px; margin: 0 auto 40px;
}

/* ── Buttons ── */
.btn-group { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }

.btn-primary {
  display: flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, var(--purple), var(--violet));
  color: #fff; padding: 14px 28px; border-radius: 50px;
  text-decoration: none; font-weight: 600; font-size: .95rem; letter-spacing: .5px;
  box-shadow: 0 0 30px rgba(108,63,197,.4);
  transition: transform .2s, box-shadow .2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 50px rgba(108,63,197,.6); }

.btn-outline {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid rgba(196,168,245,.4); color: var(--lavender);
  padding: 14px 28px; border-radius: 50px;
  text-decoration: none; font-weight: 500; font-size: .95rem;
  transition: all .2s;
}
.btn-outline:hover { border-color: var(--lavender); background: rgba(196,168,245,.06); }

.btn-gold {
  background: linear-gradient(135deg, #c9973a, var(--gold));
  color: #0a0612; padding: 14px 36px; border-radius: 50px;
  text-decoration: none; font-weight: 700; font-size: 1rem; letter-spacing: .5px;
  box-shadow: 0 0 30px rgba(232,201,106,.3);
  transition: transform .2s, box-shadow .2s;
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 0 50px rgba(232,201,106,.5); }

/* ── Footer base (all pages) ── */
footer {
  position: relative; z-index: 1;
  background: rgba(6,4,12,.9);
  border-top: 1px solid rgba(108,63,197,.15);
}

/* ── Simple footer (courses + shop) ── */
.footer-logo {
  font-family: 'Cinzel', serif; font-size: 1.2rem; font-weight: 700;
  color: var(--gold); letter-spacing: 2px; text-decoration: none;
  display: block; margin-bottom: 14px;
}
.footer-links {
  display: flex; gap: 24px; justify-content: center;
  flex-wrap: wrap; margin-bottom: 20px;
}
.footer-links a { color: var(--muted); font-size: .85rem; text-decoration: none; }
.footer-links a:hover { color: var(--lavender); }
footer p { color: rgba(168,155,194,.4); font-size: .8rem; }

/* ── Hamburger button (mobile only) ── */
.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  padding: 6px; color: var(--lavender);
  flex-direction: column; gap: 5px;
}
.nav-toggle .bar {
  display: block; width: 24px; height: 2px;
  background: var(--lavender); border-radius: 2px;
  transition: transform .3s, opacity .3s, width .3s;
  transform-origin: center;
}

/* animated X state */
.nav-toggle.open .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open .bar:nth-child(2) { opacity: 0; width: 0; }
.nav-toggle.open .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile nav drawer ── */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    display: flex; flex-direction: column;
    position: fixed; top: 66px; left: 0; right: 0;
    background: rgba(10,6,18,.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(108,63,197,.3);
    padding: 0; gap: 0;
    /* hidden by default */
    max-height: 0; overflow: hidden;
    transition: max-height .35s cubic-bezier(.4,0,.2,1),
                padding .35s;
  }
  .nav-links.open {
    max-height: 600px;
    padding: 16px 0 24px;
  }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block; padding: 13px 6%;
    font-size: 1rem; border-bottom: 1px solid rgba(196,168,245,.06);
  }
  .nav-links a:hover, .nav-links a.active {
    background: rgba(108,63,197,.12);
    color: var(--gold);
  }
}