/* ============================================================
   base.css: variables, centred column, buttons, reveal, reduced motion
   ============================================================ */

/* ---------- variables ---------- */
:root {
  --maroon: #7a1236;
  --maroon-deep: #5a0f23;
  --gold: #c8962a;
  --gold-light: #e6c15a;
  --cream: #fbefd9;
  --saffron: #f4a623;

  --font-body: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-label: 'Cinzel', Georgia, 'Times New Roman', serif;
  --font-names: 'Great Vibes', 'Brush Script MT', cursive;

  --col-max: 480px;          /* phone-width column */
  --radius: 14px;
  --ease: cubic-bezier(.22, .61, .36, 1);

  /* phone safe areas (notches, home bar) */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);

  /* set by JS: url(...) of the cover image for the desktop backdrop */
  --backdrop-image: none;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--maroon-deep);
  color: var(--maroon);
  font-family: var(--font-body);
  font-size: 19px;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
[hidden] { display: none !important; }

/* ---------- blurred desktop backdrop ---------- */
#backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-color: var(--maroon-deep);
  background-image: var(--backdrop-image);
  background-size: cover;
  background-position: center;
  filter: blur(28px) brightness(.55) saturate(1.15);
  transform: scale(1.12);       /* hides blurred edges */
}

/* ---------- centred phone-width column ---------- */
#app {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--col-max);
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0 auto;
  overflow-x: hidden;
  background: var(--cream);
  box-shadow: 0 0 60px rgba(0, 0, 0, .55);
}

/* on small phones the column is simply full width */
@media (max-width: 480px) {
  #app { box-shadow: none; }
}

/* ---------- text helpers ---------- */
.label {
  font-family: var(--font-label);
  letter-spacing: .22em;
  text-transform: uppercase;
  font-size: .72rem;
  color: var(--gold);
}

.names {
  font-family: var(--font-names);
  font-weight: 400;
  line-height: 1.1;
}

h1, h2, h3 { font-weight: 600; margin: 0 0 .4em; line-height: 1.2; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  min-height: 46px;                 /* comfortable tap size */
  padding: .7em 1.5em;
  border: 1.5px solid var(--gold);
  border-radius: 999px;
  font-family: var(--font-label);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--cream);
  background: linear-gradient(180deg, var(--maroon) 0%, var(--maroon-deep) 100%);
  box-shadow: 0 4px 14px rgba(90, 15, 35, .35), inset 0 1px 0 rgba(255, 255, 255, .18);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), filter .2s;
}
.btn:hover { filter: brightness(1.12); }
.btn:active { transform: scale(.96); }
.btn:focus-visible { outline: 3px solid var(--saffron); outline-offset: 3px; }

.btn--gold {
  color: var(--maroon-deep);
  background: linear-gradient(180deg, var(--gold-light) 0%, var(--gold) 100%);
  border-color: #a87a1b;
}

.btn--ghost {
  color: var(--maroon);
  background: transparent;
  box-shadow: none;
}

.btn[disabled] { opacity: .45; pointer-events: none; }

/* ---------- section reveal on scroll (JS adds .is-visible) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
  transition-delay: var(--delay, 0s);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- reusable fade for page transitions ---------- */
.fade-in { animation: fadeIn .6s var(--ease) both; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  #backdrop { filter: blur(28px) brightness(.55); }
}