/* =========================================================
   FOR ZAINAB — dreamy pastel blue / glassmorphism theme
   Mobile-first. All customization comments live in index.html.
   ========================================================= */

:root {
  --blue-50:  #f0f7ff;
  --blue-100: #dcecff;
  --blue-200: #c3ddff;
  --blue-300: #a8ccff;
  --blue-400: #86b6f5;
  --blue-500: #6a9be0;
  --ink:      #2b3a55;
  --ink-soft: #4a5a78;
  --white:    #ffffff;
  --pink:     #ffb7d0;

  --glass-bg:     rgba(255, 255, 255, 0.45);
  --glass-bg-2:   rgba(255, 255, 255, 0.28);
  --glass-border: rgba(255, 255, 255, 0.55);
  --glass-shadow: 0 10px 40px -12px rgba(80, 120, 200, 0.35);

  --radius: 22px;
  --radius-sm: 14px;

  --font-display: "Dancing Script", "Cormorant Garamond", cursive;
  --font-serif:   "Cormorant Garamond", Georgia, serif;
  --font-sans:    "Quicksand", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --ease: cubic-bezier(.4,.14,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  background:
    radial-gradient(1200px 800px at 10% -10%, #eaf3ff 0%, transparent 60%),
    radial-gradient(1000px 700px at 110% 10%, #dbe9ff 0%, transparent 55%),
    linear-gradient(180deg, #cfe2ff 0%, #b8d1f7 45%, #a9c5ee 100%);
  background-attachment: fixed;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; cursor: pointer; }

/* --------- Glass primitive --------- */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius);
}

/* --------- Buttons --------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--ink);
  font-weight: 600;
  letter-spacing: .3px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.btn:hover, .btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -10px rgba(80,120,200,.45);
  outline: none;
}
.btn:active { transform: translateY(0); }
.btn--primary {
  background: linear-gradient(135deg, #ffffffc0, #cfe2ffcc);
  border-color: rgba(255,255,255,.8);
  color: var(--ink);
}
.btn--ghost { background: rgba(255,255,255,.35); }
.btn--tiny { padding: 8px 14px; font-size: 13px; }

/* --------- Sky / clouds --------- */
.sky {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.cloud {
  position: absolute;
  background: radial-gradient(ellipse at center, rgba(255,255,255,.85), rgba(255,255,255,0) 70%);
  filter: blur(10px);
  opacity: .8;
  border-radius: 50%;
}
.cloud--1 { width: 320px; height: 160px; top: 8%;  left: -10%; animation: drift 60s linear infinite; }
.cloud--2 { width: 220px; height: 120px; top: 35%; left: 60%;  animation: drift 80s linear infinite reverse; }
.cloud--3 { width: 380px; height: 200px; top: 65%; left: -20%; animation: drift 90s linear infinite; }
.cloud--4 { width: 260px; height: 140px; top: 85%; left: 50%;  animation: drift 70s linear infinite reverse; }
@keyframes drift {
  from { transform: translateX(0); }
  to   { transform: translateX(140vw); }
}

/* --------- Floaters (hearts / butterflies / sparkles) --------- */
.floaters { position: fixed; inset: 0; pointer-events: none; z-index: 1; overflow: hidden; }
.floater {
  position: absolute;
  bottom: -40px;
  font-size: 20px;
  opacity: 0;
  animation: floatUp linear forwards;
  will-change: transform, opacity;
}
@keyframes floatUp {
  0%   { transform: translate(0,0) rotate(0);   opacity: 0; }
  10%  { opacity: .9; }
  100% { transform: translate(var(--dx, 40px), -110vh) rotate(var(--rot, 360deg)); opacity: 0; }
}

/* --------- Landing --------- */
.landing {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
  animation: fadeIn .6s var(--ease);
}
.landing.is-leaving { animation: fadeOut .6s var(--ease) forwards; }
.landing__inner {
  padding: 44px 28px;
  text-align: center;
  max-width: 480px;
  width: 100%;
}
.landing__eyebrow {
  font-family: var(--font-serif);
  font-style: italic;
  letter-spacing: 2px;
  text-transform: lowercase;
  color: var(--ink-soft);
  margin: 0 0 8px;
  font-size: 15px;
}
.landing__title {
  font-family: var(--font-display);
  font-size: clamp(56px, 16vw, 96px);
  line-height: 1;
  margin: 0 0 14px;
  color: var(--ink);
  text-shadow: 0 2px 30px rgba(255,255,255,.6);
}
.landing__subtitle {
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--ink-soft);
  margin: 0 0 28px;
}

@keyframes fadeIn  { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes fadeOut { to   { opacity: 0; transform: translateY(-10px); } }

/* --------- Content --------- */
.content {
  position: relative;
  z-index: 2;
  animation: fadeIn .8s var(--ease);
  padding-bottom: 140px;
}

/* --------- Nav --------- */
.nav {
  position: sticky;
  top: 12px;
  z-index: 20;
  margin: 12px auto 0;
  width: calc(100% - 24px);
  max-width: 520px;
  display: flex;
  justify-content: space-around;
  padding: 10px 8px;
  border-radius: 999px;
  font-size: 14px;
}
.nav__link {
  color: var(--ink);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 999px;
  transition: background .2s;
  font-weight: 600;
}
.nav__link:hover { background: rgba(255,255,255,.4); }

/* --------- Sections --------- */
.section {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 8px;
}
.section__head { text-align: center; margin-bottom: 16px; }
.section__kicker {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-soft);
  letter-spacing: 1.5px;
  font-size: 13px;
  text-transform: lowercase;
}
.section__title {
  font-family: var(--font-display);
  font-size: clamp(34px, 9vw, 52px);
  line-height: 1.1;
  margin: 6px 0 0;
}

/* --------- Letter --------- */
.letter { padding: 26px 22px; }
.letter__body {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.75;
  color: var(--ink);
  outline: none;
}
.letter__body[contenteditable="true"] {
  background: rgba(255,255,255,.35);
  border-radius: var(--radius-sm);
  padding: 12px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.7);
}
.letter__body p { margin: 0 0 14px; }
.letter__sign { font-family: var(--font-display); font-size: 24px; margin-top: 18px; }
.letter__actions {
  display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; align-items: center;
}
.letter__hint {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--ink-soft);
  font-style: italic;
}

/* --------- Reasons --------- */
.reasons {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}
@media (min-width: 560px) { .reasons { grid-template-columns: 1fr 1fr; } }
.reason { padding: 22px 20px; transition: transform .3s var(--ease); }
.reason:hover { transform: translateY(-4px); }
.reason__icon { font-size: 28px; margin-bottom: 6px; }
.reason h3 { margin: 4px 0 6px; font-family: var(--font-serif); font-size: 22px; }
.reason p { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* --------- Timeline --------- */
.timeline {
  list-style: none;
  padding: 0 8px;
  margin: 0;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 6px; bottom: 6px;
  left: 14px;
  width: 2px;
  background: linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,255,255,.2));
  border-radius: 2px;
}
.timeline__item {
  position: relative;
  padding: 8px 0 8px 40px;
}
.timeline__dot {
  position: absolute;
  left: 6px; top: 22px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fff, var(--blue-300));
  box-shadow: 0 0 0 4px rgba(255,255,255,.5), 0 0 12px rgba(150,190,255,.7);
}
.timeline__card { padding: 14px 18px; margin: 6px 0; }
.timeline__card time {
  display: block;
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--ink);
}
.timeline__card p { margin: 4px 0 0; color: var(--ink-soft); }

/* --------- Gallery --------- */
.gallery {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 560px) { .gallery { grid-template-columns: repeat(3, 1fr); } }
.gallery__item {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-2);
  box-shadow: var(--glass-shadow);
  transform: translateY(10px);
  opacity: 0;
  transition: transform .6s var(--ease), opacity .6s var(--ease);
}
.gallery__item.is-in { transform: none; opacity: 1; }
.gallery__item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s var(--ease);
}
.gallery__item:hover img { transform: scale(1.06); }

/* Placeholder (used when a real image isn't found in /images) */
.gallery__placeholder {
  width: 100%; height: 100%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, #dfeeff, #b8d1f7);
  color: #fff;
  font-family: var(--font-display);
  font-size: 26px;
  text-shadow: 0 2px 10px rgba(80,120,200,.4);
}

/* --------- Surprise --------- */
.surprise {
  padding: 26px 22px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.surprise__wrap { margin-top: 18px; animation: fadeIn .6s var(--ease); }
.surprise__msg {
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.7;
  color: var(--ink);
  margin: 0;
}
.surprise__hearts {
  position: absolute; inset: 0; pointer-events: none;
}

/* --------- Footer --------- */
.foot {
  text-align: center;
  padding: 40px 20px 20px;
  color: var(--ink-soft);
  font-size: 13px;
  font-style: italic;
  font-family: var(--font-serif);
}

/* --------- Music player --------- */
.player {
  position: fixed;
  z-index: 30;
  left: 50%;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px 10px 10px;
  border-radius: 999px;
  animation: fadeIn .6s var(--ease);
  max-width: calc(100% - 24px);
}
.player__btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: none;
  display: grid; place-items: center;
  background: linear-gradient(135deg, #fff, var(--blue-200));
  color: var(--ink);
  box-shadow: 0 4px 14px rgba(80,120,200,.35);
}
.player__meta { display: flex; flex-direction: column; line-height: 1.2; }
.player__title { font-weight: 700; font-size: 14px; }
.player__sub { font-size: 11px; color: var(--ink-soft); }

/* --------- Reveal on scroll --------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* --------- Reduced motion --------- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
}

/* --------- Closing quote --------- */
.closing {
  padding: 24px 22px;
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink);
}
.closing p { margin: 0; }

/* --------- Lightbox --------- */
.lightbox {
  position: fixed; inset: 0;
  z-index: 100;
  background: rgba(20, 40, 80, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: grid;
  place-items: center;
  padding: 20px;
  animation: fadeIn .3s var(--ease);
}
.lightbox[hidden] { display: none; }
.lightbox__img {
  max-width: 92vw;
  max-height: 82vh;
  border-radius: 18px;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.5);
  animation: lbPop .35s var(--ease);
}
@keyframes lbPop { from { opacity: 0; transform: scale(.92); } to { opacity: 1; transform: none; } }
.lightbox__close, .lightbox__nav {
  position: absolute;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.4);
  background: rgba(255,255,255,.18);
  color: #fff;
  font-size: 22px;
  display: grid; place-items: center;
  backdrop-filter: blur(10px);
  transition: background .2s;
}
.lightbox__close:hover, .lightbox__nav:hover { background: rgba(255,255,255,.32); }
.lightbox__close { top: 18px; right: 18px; }
.lightbox__nav--prev { left: 12px; top: 50%; transform: translateY(-50%); }
.lightbox__nav--next { right: 12px; top: 50%; transform: translateY(-50%); }

/* Compact tweaks */
.letter { padding: 22px 20px; }
.letter__body { font-size: 17px; line-height: 1.7; }
.reason { padding: 18px 18px; }