/* ==========================================================================
   base.css — reset, page shell, shared components, scroll reveal.
   ========================================================================== */

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

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

body {
  margin: 0;
  min-height: 100dvh;            /* dvh, not vh — iOS address bar (Risk 5) */
  font-family: var(--font-body);
  font-size: var(--t-base);
  line-height: var(--lh-body);
  color: var(--ink);
  background: var(--blush);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Locked while the gate is up, so she can't scroll past it. */
body.is-locked { overflow: hidden; height: 100dvh; }

h1, h2, h3 { margin: 0; font-weight: 400; line-height: var(--lh-tight); }
p { margin: 0; }
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; border: 0; background: none; cursor: pointer; }
input { font: inherit; color: inherit; }

/* Visible focus for keyboard users; never removed, only styled. */
:focus-visible {
  outline: 2px solid var(--pink-deep);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

.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;
}

/* --- section shell -------------------------------------------------------- */

.section {
  position: relative;
  padding: var(--section-pad) var(--gutter);
  overflow: hidden;
}

.section__inner {
  position: relative;
  z-index: var(--z-content);
  max-width: var(--content-max);
  margin-inline: auto;
}

.section__title {
  font-family: var(--font-script);
  font-size: var(--t-2xl);
  color: var(--ink);
  text-align: center;
  margin-bottom: var(--s-2);
}

.section__sub {
  font-size: var(--t-sm);
  color: var(--ink-soft);
  text-align: center;
  margin-bottom: var(--s-7);
  font-style: italic;
}

/* Soft cloud fade between sections — this palette's version of reel 3's
   torn paper. Applied per-section via a modifier.                          */
.section--sky   { background: linear-gradient(180deg, var(--blush) 0%, var(--sky) 55%, var(--blush) 100%); }
.section--cream { background: var(--cream); }
.section--night { background: linear-gradient(180deg, var(--lilac) 0%, var(--night) 40%, var(--night) 100%); color: var(--cream); }
.section--night .section__title { color: var(--cream); }
.section--night .section__sub   { color: var(--lilac); }

/* --- scroll reveal -------------------------------------------------------- */
/* Elements start displaced + transparent; app.js adds .is-in via
   IntersectionObserver. Staggered by --i (index) set inline.               */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity   var(--d-slow) var(--ease-out),
    transform var(--d-slow) var(--ease-out);
  transition-delay: calc(var(--i, 0) * 70ms);
}
.reveal.is-in { opacity: 1; transform: none; }

/* --- shared components ---------------------------------------------------- */

/* Polaroid — used by balloons, gallery and gifts. One definition.          */
.polaroid {
  background: var(--cream);
  padding: 10px 10px 34px;
  border-radius: 3px;
  box-shadow: var(--lift-2);
  position: relative;
}
.polaroid img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 2px;
  background: var(--pink);
}
.polaroid__caption {
  position: absolute;
  left: 10px; right: 10px; bottom: 8px;
  font-family: var(--font-hand);
  font-size: var(--t-sm);
  color: var(--ink-soft);
  text-align: center;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* washi tape strip across the top corner */
.polaroid::before {
  content: "";
  position: absolute;
  top: -9px; left: 50%;
  width: 74px; height: 20px;
  transform: translateX(-50%) rotate(-3deg);
  background: var(--tape);
  border-radius: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-6);
  border-radius: var(--r-pill);
  background: var(--pink);
  color: var(--ink);
  font-size: var(--t-sm);
  letter-spacing: .04em;
  box-shadow: var(--lift-1);
  transition: background var(--d-fast) var(--ease-soft),
              transform  var(--d-fast) var(--ease-soft);
}
.btn:hover  { background: var(--pink-deep); }
.btn:active { transform: translateY(1px); }

/* Modal shared by gallery, constellation, gifts. */
.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: grid;
  place-items: center;
  padding: var(--gutter);
  background: rgba(46, 36, 56, .42);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--d-base) var(--ease-soft);
}
.modal.is-open { opacity: 1; pointer-events: auto; }

.modal__card {
  position: relative;
  width: min(420px, 100%);
  max-height: 82dvh;
  overflow-y: auto;
  padding: var(--s-7) var(--s-5) var(--s-6);
  background: var(--cream);
  border-radius: var(--r-lg);
  box-shadow: var(--lift-3);
  text-align: center;
  transform: translateY(16px) scale(.97);
  transition: transform var(--d-base) var(--ease-out);
}
.modal.is-open .modal__card { transform: none; }

.modal__close {
  position: absolute;
  top: var(--s-3); right: var(--s-3);
  width: 34px; height: 34px;
  border-radius: var(--r-pill);
  display: grid; place-items: center;
  color: var(--ink-soft);
  background: rgba(247, 202, 208, .3);
  font-size: var(--t-base);
  line-height: 1;
}
.modal__close:hover { background: var(--pink); color: var(--ink); }

/* --- decorative art ------------------------------------------------------- */
/* Purely ornamental, so aria-hidden and never focusable.                    */

.art {
  position: absolute;
  z-index: var(--z-art);
  pointer-events: none;
  user-select: none;
}

/* Soft cloud blobs built from radial gradients — no image weight at all.   */
.cloud {
  position: absolute;
  z-index: var(--z-art);
  pointer-events: none;
  border-radius: 50%;
  filter: blur(30px);
  opacity: .55;
}
.cloud--pink { background: radial-gradient(circle, var(--pink) 0%, transparent 70%); }
.cloud--sky  { background: radial-gradient(circle, var(--sky)  0%, transparent 70%); }
.cloud--gold { background: radial-gradient(circle, var(--gold) 0%, transparent 70%); }

@keyframes drift {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50%      { transform: translate3d(14px, -18px, 0); }
}
.cloud--drift { animation: drift 14s var(--ease-soft) infinite; }

@keyframes twinkle {
  0%, 100% { opacity: .25; transform: scale(.85); }
  50%      { opacity: 1;   transform: scale(1); }
}

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}