/* DOD — a candlelit valentine letter. Mobile-first. */
:root{
  --ink:#140a12;
  --wine:#40142c;
  --rose:#ff4d7e;
  --rose-deep:#d63867;
  --rosegold:#e8a6a0;
  --blush:#ffe3ea;
  --cream:#fff6f3;
  --glass:rgba(255,255,255,.07);
  --glass-line:rgba(255,227,234,.18);
  --shadow:0 30px 80px -30px rgba(0,0,0,.8);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:"Poppins",system-ui,sans-serif;
  color:var(--cream);
  background:
    radial-gradient(130% 90% at 50% 8%, #5a1b3c 0%, var(--wine) 38%, var(--ink) 78%);
  background-attachment:fixed;
  min-height:100svh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
/* soft candle glow overlay */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(60% 40% at 50% 30%, rgba(255,120,160,.18), transparent 70%);
}

/* ---------- Access gate ---------- */
.security-page{
  position:fixed;inset:0;z-index:50;
  display:flex;align-items:center;justify-content:center;padding:28px;
  background:radial-gradient(120% 80% at 50% 20%, #3c1226 0%, var(--ink) 80%);
  transition:opacity .5s ease;
}
.security-page.hidden{opacity:0}
.security-container{
  width:100%;max-width:380px;text-align:center;
  background:var(--glass);border:1px solid var(--glass-line);
  border-radius:26px;padding:40px 28px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.lock-mark{font-size:30px;color:var(--rosegold);letter-spacing:.3em;margin-bottom:14px;opacity:.9}
.security-title{
  font-family:"Cormorant Garamond",serif;font-style:italic;font-weight:600;
  font-size:1.9rem;color:var(--cream);margin-bottom:6px;
}
.security-text{color:var(--rosegold);font-size:.92rem;margin-bottom:22px}
.code-input-container{display:flex;flex-direction:column;gap:12px}
.code-input{
  width:100%;padding:16px;border-radius:14px;border:1px solid var(--glass-line);
  background:rgba(0,0,0,.25);color:var(--cream);
  font-size:1.5rem;text-align:center;letter-spacing:.5em;
  font-family:"Poppins",sans-serif;
}
.code-input::placeholder{color:rgba(255,227,234,.45);letter-spacing:.3em}
.code-input:focus{outline:none;border-color:var(--rose);box-shadow:0 0 0 3px rgba(255,77,126,.25)}
.error-message{min-height:1.2em;margin-top:14px;color:#ff9db5;font-size:.85rem;opacity:0;transition:opacity .3s}
.error-message.show{opacity:1}

/* ---------- Letter ---------- */
.container{position:relative;z-index:2;min-height:100svh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:26px;padding:48px 22px 90px;text-align:center}

.hero{max-width:640px}
.hero-eyebrow{font-family:"Cormorant Garamond",serif;font-style:italic;font-size:1.15rem;color:var(--rosegold);opacity:.85}
.hero-title{
  font-family:"Cormorant Garamond",serif;font-weight:600;
  font-size:clamp(4.2rem,22vw,8rem);line-height:.92;color:var(--cream);
  letter-spacing:.01em;margin:.05em 0 .18em;
  text-shadow:0 2px 40px rgba(255,90,140,.45);
}
.hero-subtitle{
  font-family:"Cormorant Garamond",serif;font-style:italic;font-weight:500;
  font-size:clamp(1.25rem,5.2vw,1.7rem);line-height:1.55;color:var(--blush);
  max-width:34ch;margin:0 auto;
}

/* glass card holding the question / celebration */
.question-section,.celebration-content{
  width:100%;max-width:440px;margin:0 auto;
  background:var(--glass);border:1px solid var(--glass-line);
  border-radius:28px;padding:28px 24px 30px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.gif-frame{
  width:150px;height:150px;margin:0 auto 18px;border-radius:50%;
  overflow:hidden;border:2px solid var(--glass-line);
  box-shadow:0 12px 40px -12px rgba(255,77,126,.6);
}
.gif-frame img{width:100%;height:100%;object-fit:cover;display:block}
.question{
  font-family:"Cormorant Garamond",serif;font-weight:600;
  font-size:clamp(1.55rem,6.5vw,2.1rem);line-height:1.25;color:var(--cream);margin-bottom:24px;
}
.buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;align-items:center}
.btn{
  font-family:"Poppins",sans-serif;font-weight:600;font-size:1.05rem;
  padding:15px 32px;border:none;border-radius:999px;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease;
  -webkit-tap-highlight-color:transparent;
}
.btn:focus-visible{outline:3px solid var(--blush);outline-offset:3px}
.btn-yes{
  color:#fff;background:linear-gradient(135deg,var(--rose),var(--rose-deep));
  box-shadow:0 14px 34px -10px rgba(255,77,126,.8);
}
.btn-yes:hover{transform:translateY(-2px) scale(1.04)}
.btn-no{color:var(--blush);background:rgba(255,255,255,.08);border:1px solid var(--glass-line)}
.btn-confirm{color:#fff;background:linear-gradient(135deg,var(--rose),var(--rose-deep));box-shadow:0 12px 30px -10px rgba(255,77,126,.7)}
.failed-attempts{
  font-family:"Cormorant Garamond",serif;font-style:italic;font-size:1.05rem;color:var(--rosegold);
  margin-top:20px;opacity:0;transition:opacity .4s;min-height:1.4em;
}
.failed-attempts.show{opacity:1}

/* celebration */
.celebration-section{display:none}
.celebration-section.show{display:block;animation:rise .6s ease both}
.celebration-title{
  font-family:"Cormorant Garamond",serif;font-weight:600;
  font-size:clamp(1.8rem,7vw,2.4rem);color:var(--cream);margin-bottom:10px;
}
.celebration-text{color:var(--blush);font-size:1rem;line-height:1.6;margin-bottom:22px}
.couple-names{
  display:flex;align-items:center;justify-content:center;gap:16px;
  font-family:"Cormorant Garamond",serif;font-style:italic;font-weight:600;
  font-size:clamp(1.5rem,7vw,2rem);color:var(--cream);
}
.beating-heart{color:var(--rose);animation:beat 1.1s ease-in-out infinite}

/* floating hearts */
.hearts-container{position:fixed;inset:0;z-index:1;pointer-events:none;overflow:hidden}
.heart{position:absolute;bottom:-40px;opacity:0;animation:floatUp linear infinite;will-change:transform,opacity}

/* music button (base; JS also sets some inline styles) */
.music-toggle-btn{backdrop-filter:blur(6px);box-shadow:0 10px 26px -10px rgba(0,0,0,.6)}

@keyframes floatUp{
  0%{transform:translateY(0) scale(.8);opacity:0}
  12%{opacity:.85}
  100%{transform:translateY(-112svh) scale(1.1);opacity:0}
}
@keyframes beat{0%,100%{transform:scale(1)}25%{transform:scale(1.22)}40%{transform:scale(1)}}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

@media (min-width:640px){
  .gif-frame{width:170px;height:170px}
}
@media (prefers-reduced-motion:reduce){
  .heart{display:none}
  .beating-heart{animation:none}
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}