/* ============================================================
   TOKENS
   ============================================================ */
:root{
  --bg-0:#ffffff;
  --bg-1:#fffdf8;
  --bg-2:#fdf6e6;
  --bg-3:#f8ecd0;
  --gold:#c9a24d;
  --gold-light:#9c7a34;
  --gold-soft:#a9863f;
  --ivory:#332714;
  --wine:#7a2b30;
  --muted:#8a7c62;
  --line:rgba(201,162,77,0.35);

  --f-script:'Great Vibes', 'Mrs Saint Delafield', cursive;
  --f-serif:'Cormorant Garamond', serif;
  --f-heading:'Marcellus', serif;
  --f-sans:'Jost', sans-serif;
  --f-basic:'Inter', 'Public Sans', system-ui, -apple-system, sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--f-sans);
  color:var(--ivory);
  background:
    radial-gradient(ellipse 120% 60% at 50% -10%, #f3e2ba 0%, transparent 55%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-2) 35%, var(--bg-3) 65%, var(--bg-1) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block;}
.hero-bg-img{width:100%; height:100%; object-fit:cover; object-position:center;}
.story-img img{width:100%; height:100%; object-fit:cover; display:block;}
.rsvp-backdrop-img{width:100%; height:100%; object-fit:cover; opacity:.5;}
.pt-photo img{width:100%; height:100%; object-fit:cover; display:block;}
a{color:inherit; text-decoration:none;}
h1,h2,h3{margin:0; font-weight:400;}
p{margin:0;}
::selection{background:var(--gold); color:#100b06;}

.container{max-width:1100px; margin:0 auto; padding:0 24px;}
.container.narrow{max-width:680px;}

/* image placeholder used until real photos are uploaded */
.img-ph{
  width:100%; height:100%; min-height:220px;
  background:
    linear-gradient(135deg, #241a10 0%, #362410 45%, #1a130b 100%);
  position:relative; display:flex; align-items:center; justify-content:center;
  color:var(--gold-soft); font-family:var(--f-serif); font-style:italic; font-size:.95rem; text-align:center; padding:12px;
}
.img-ph::before{content:'✦'; position:absolute; top:10px; left:10px; opacity:.5; font-size:.8rem;}
.img-ph::after{content:attr(data-note); content:'Ảnh của bạn';}

/* ============================================================
   CANVAS — falling gold dust
   ============================================================ */
#floating-canvas{position:fixed; inset:0; width:100%; height:100%; pointer-events:none; z-index:7;}

/* ============================================================
   SCROLL REVEAL BASE
   ============================================================ */
[data-aos]{opacity:0; transform:translateY(28px); transition:opacity .9s ease, transform .9s ease;}
[data-aos="fade-left"]{transform:translateX(-34px);}
[data-aos="fade-right"]{transform:translateX(34px);}
[data-aos="zoom-in"]{transform:scale(.92);}
[data-aos].aos-in{opacity:1; transform:none;}

/* ============================================================
   DECORATIVE LINE ART
   ============================================================ */
.deco-corner{position:absolute; width:90px; height:90px; fill:none; stroke:var(--gold); stroke-width:1; opacity:.55;}
.deco-corner--tl{top:22px; left:22px;}
.deco-corner--br{bottom:22px; right:22px; transform:rotate(180deg);}
.deco-corner circle{fill:var(--gold); stroke:none;}

.deco-line{position:absolute; left:0; width:100%; fill:none; stroke:var(--line); stroke-width:1.2;}
.hero-deco{bottom:-1px; height:80px;}

.deco-swirl{position:absolute; width:180px; height:180px; fill:none; stroke:var(--line); stroke-width:1; opacity:.5; pointer-events:none;}
.deco-swirl--1{top:-30px; left:-50px;}
.deco-swirl--2{bottom:-30px; right:-50px;}

/* ============================================================
   INTRO — ENVELOPE
   ============================================================ */
.intro-screen{
  position:fixed; inset:0; z-index:100;
  display:flex; align-items:center; justify-content:center; flex-direction:column;
  background:
    radial-gradient(ellipse 90% 60% at 50% 10%, #f3e2ba 0%, transparent 60%),
    linear-gradient(180deg, #fffdf8, #fdf6e6 60%, #f8ecd0);
  transition:opacity .7s ease, visibility .7s ease;
}
.intro-screen.closing{opacity:0; visibility:hidden; pointer-events:none;}
.intro-vignette{position:absolute; inset:0; box-shadow:inset 0 0 180px 60px rgba(201,162,77,.15); pointer-events:none;}

.transition-overlay{
  position:fixed; inset:0; background:#fffdf8; opacity:0; pointer-events:none;
  z-index:120; transition:opacity .6s ease;
}

.envelope-wrapper{position:relative; z-index:2; display:flex; flex-direction:column; align-items:center; padding:20px;}
.intro-eyebrow{font-family:var(--f-sans); letter-spacing:.35em; text-transform:uppercase; font-size:.65rem; color:var(--muted); margin-bottom:6px;}
.intro-script{
  font-family:var(--f-script); color:var(--gold-light);
  font-size:clamp(3.4rem, 13vw, 6rem); line-height:1; margin:0 0 4px;
  text-shadow:0 0 24px rgba(201,162,77,.35);
}
.intro-sub{font-family:var(--f-heading); letter-spacing:.3em; font-size:.75rem; color:var(--muted); margin-bottom:34px;}

.envelope{
  position:relative; width:min(78vw, 300px); height:min(52vw, 190px);
  cursor:pointer; outline:none;
}
.envelope-back{
  position:absolute; inset:0; background:linear-gradient(160deg, #f3e6c5, #e9d6a8);
  border:1px solid var(--line); border-radius:4px;
}
.envelope-front-left,.envelope-front-right{
  position:absolute; bottom:0; width:50%; height:70%;
  background:linear-gradient(160deg, #f8ecd0, #efdcae); border:1px solid var(--line);
  z-index:3;
}
.envelope-front-left{left:0; clip-path:polygon(0 0,100% 100%,0 100%); border-radius:0 0 0 4px;}
.envelope-front-right{right:0; clip-path:polygon(100% 0,100% 100%,0 100%); border-radius:0 0 4px 0;}
.envelope-invite-tag{
  position:absolute; bottom:10px; right:12px; z-index:5; font-family:var(--f-serif); font-style:italic;
  font-size:.72rem; color:var(--gold-light); opacity:.9; text-align:right;
}
.card-inside{
  position:absolute; left:10%; right:10%; bottom:10%; height:70%;
  background:linear-gradient(160deg,#fffdf8,#fdf6e6);
  border:1px solid var(--line); border-radius:2px;
  z-index:2; opacity:0; transform:translateY(4%) scale(.88);
  transition:opacity .6s ease, transform .9s cubic-bezier(.22,1,.36,1), z-index 0s 0.6s;
  display:flex; align-items:center; justify-content:center;
}
.card-inside-frame{
  text-align:center; padding:14px; border:1px solid var(--line); width:82%; height:80%;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:4px;
}
.card-inside-cap{font-size:1.4rem;}
.card-inside-label{font-family:var(--f-serif); font-style:italic; font-size:.75rem; color:var(--muted); letter-spacing:.15em; text-transform:uppercase;}
.card-inside-name{font-family:var(--f-script); font-size:1.6rem; color:var(--gold-light);}
.card-inside-line{width:34px; height:1px; background:var(--gold-soft); margin:2px 0;}
.card-inside-year{font-family:var(--f-sans); font-size:.62rem; letter-spacing:.2em; color:var(--muted);}

.envelope-flap{
  position:absolute; top:0; left:0; width:100%; height:0;
  border-left:150px solid transparent; border-right:150px solid transparent;
  border-top:95px solid #efdcae;
  transform-origin:top center; z-index:4;
  transition:transform 0.5s cubic-bezier(.4,0,.2,1);
  filter:drop-shadow(0 2px 4px rgba(0,0,0,.5));
}
.wax-seal{
  position:absolute; top:calc(95px - 21px); left:50%; transform:translateX(-50%);
  width:42px; height:42px; border-radius:50%;
  background:radial-gradient(circle at 32% 32%, #fff3b0 0%, #d4af37 40%, #a87e1b 80%, #684805 100%);
  display:flex; align-items:center; justify-content:center; z-index:6;
  box-shadow:0 4px 14px rgba(0,0,0,.4), inset 0 1.5px 3px rgba(255,255,255,.8), inset 0 -2px 4px rgba(0,0,0,.5), 0 0 0 1.5px rgba(201,162,77,.6);
  transition:opacity .3s ease, transform .3s ease;
  padding:5px;
}
.wax-seal-img{
  width:100%; height:100%; object-fit:contain;
  filter:sepia(100%) hue-rotate(5deg) saturate(320%) contrast(125%) brightness(0.85);
  drop-shadow:0 1px 2px rgba(0,0,0,.4);
}

.envelope.open .envelope-flap{
  transform:rotateX(180deg);
  z-index:1;
  transition:transform 0.5s cubic-bezier(.4,0,.2,1), z-index 0s 0.5s;
}
.envelope.open .wax-seal{opacity:0; transform:translateX(-50%) scale(.4);}
.envelope.open .card-inside{
  opacity:1; z-index:7; transform:translateY(-52%) scale(1);
  transition:opacity 0.6s ease 0.45s, transform 0.9s cubic-bezier(.22,1,.36,1) 0.45s, z-index 0s 0.45s;
}

.intro-hint{margin-top:24px; font-family:var(--f-serif); font-style:italic; font-size:.8rem; color:var(--muted); letter-spacing:.05em;}

/* ============================================================
   MAIN PAGE VISIBILITY
   ============================================================ */
.main-page{opacity:0; visibility:hidden; transition:opacity .8s ease;}
.main-page.visible{opacity:1; visibility:visible;}

/* ============================================================
   MUSIC TOGGLE
   ============================================================ */
.music-toggle{
  position:fixed; bottom:20px; right:20px; z-index:60; width:46px; height:46px; border-radius:50%;
  background:rgba(255,253,248,.85); border:1px solid var(--line); color:var(--gold-light);
  display:flex; align-items:center; justify-content:center; cursor:pointer;
  backdrop-filter:blur(6px); transition:transform .3s ease, border-color .3s ease;
}
.music-toggle:hover{transform:scale(1.08); border-color:var(--gold);}
.music-icon-svg{width:26px; height:26px; fill:none; stroke:var(--gold-light); stroke-width:1.4; stroke-linecap:round;}
.music-icon-svg .mi-disc{stroke:var(--gold-soft);}
.music-icon-svg .mi-center{fill:var(--gold-light); stroke:none;}
.music-icon-svg .mi-arm, .music-icon-svg .mi-arm-tip{stroke:var(--gold-light); transition:transform .4s ease;}
.music-icon-svg .mi-arm-tip{fill:var(--gold-light);}
.music-toggle.is-playing .music-icon-svg .mi-disc{animation:discSpin 3.2s linear infinite;}
.music-toggle.is-playing .music-icon-svg .mi-arm,
.music-toggle.is-playing .music-icon-svg .mi-arm-tip{transform:rotate(-8deg); transform-origin:24px 9px;}
@keyframes discSpin{from{transform:rotate(0);} to{transform:rotate(360deg);}}

/* ============================================================
   SECTIONS COMMON
   ============================================================ */
.section{position:relative; padding:40px 0; overflow:hidden;}
.section-eyebrow{
  font-family:var(--f-sans); letter-spacing:.35em; text-transform:uppercase;
  font-size:.72rem; color:var(--gold-soft); text-align:center; margin-bottom:10px;
}
.section-eyebrow.text-left{text-align:left;}
.decor-line{width:40px; height:1px; background:var(--gold-soft); margin:0 auto 22px;}
.decor-line.left{margin:0 0 18px;}
.event-title{
  font-family:var(--f-heading); font-size:clamp(1.7rem,4.6vw,2.3rem); text-align:center;
  color:var(--ivory); margin-bottom:28px; letter-spacing:.02em;
}

/* ============================================================
   SCRIPT HEADING — used for major titles (like "Special Day")
   ============================================================ */
.script-heading{
  font-family:var(--f-script);
  font-size:clamp(2.8rem, 9vw, 4.2rem);
  color:var(--gold-light);
  line-height:1.1;
  text-align:center;
  text-shadow:0 2px 20px rgba(201,162,77,.22);
  margin:0;
}
.script-heading--sm{font-size:clamp(2rem, 6vw, 2.8rem);}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative; min-height:100svh; display:flex; flex-direction:column; align-items:center; justify-content:flex-end; overflow:hidden;}
.hero-img-wrap{position:absolute; inset:0; z-index:6;}
.hero-bg-ph{min-height:100%;}
.hero-overlay{
  position:absolute; inset:0; z-index:7;
  background:
    linear-gradient(0deg,
      var(--bg-1) 0%,
      rgba(248, 236, 208, 0.55) 14%,
      rgba(253, 246, 230, 0.18) 30%,
      transparent 50%,
      transparent 58%,
      rgba(15, 10, 5, 0.38) 82%,
      rgba(10, 7, 3, 0.55) 100%);
  pointer-events:none;
}
.hero-top-logo{
  position:absolute; top:12px; left:50%; transform:translateX(-50%); z-index:9;
}
.hero-logo-img{
  max-height:28px; width:auto; display:block; object-fit:contain;
  filter:drop-shadow(0 2px 12px rgba(0,0,0,0.5));
}
.hero-content{
  position:relative; z-index:8; text-align:center; padding:0 20px 42px; max-width:620px; width:100%;
  background:transparent; border:none; backdrop-filter:none; box-shadow:none;
  margin-bottom:10px;
}
.hero-eyebrow{
  font-family:var(--f-sans); letter-spacing:.3em; text-transform:uppercase;
  font-size:.78rem; color:#ffffff; margin-bottom:2px; font-weight:600;
  text-shadow:
    0 0 8px rgba(0,0,0,1),
    0 2px 4px rgba(0,0,0,1),
    0 4px 16px rgba(0,0,0,0.9),
    1px 1px 0 rgba(0,0,0,0.9),
    -1px -1px 0 rgba(0,0,0,0.9);
}
.hero-major-script{
  font-family:var(--f-script); font-size:clamp(1.6rem, 5vw, 2.3rem);
  color:var(--gold-light); margin-bottom:4px;
  text-shadow:0 2px 10px rgba(0,0,0,0.8), 0 0 15px rgba(255,255,255,0.6);
}
.hero-title{
  font-family:var(--f-heading); font-size:clamp(2.5rem, 9.5vw, 4.2rem); line-height:1.02; color:#ffffff;
  text-shadow:0 3px 14px rgba(0,0,0,0.85), 0 1px 3px rgba(0,0,0,0.9);
}
.hero-title span{
  font-family:var(--f-script); font-size:1.4em; color:var(--gold-light); display:inline-block; margin-top:2px;
  text-shadow:
    0 0 8px rgba(0,0,0,1),
    0 2px 6px rgba(0,0,0,1),
    0 4px 20px rgba(0,0,0,0.95),
    2px 2px 0 rgba(0,0,0,0.8),
    -2px -2px 0 rgba(0,0,0,0.8),
    0 0 30px rgba(201,162,77,0.5);
}
.hero-divider{display:flex; align-items:center; justify-content:center; gap:12px; margin:14px 0 10px;}
.hero-divider span{width:42px; height:1px; background:rgba(255,255,255,0.7); box-shadow:0 1px 4px rgba(0,0,0,0.6);}
.hero-divider i{color:var(--gold-light); font-style:normal; font-size:.85rem; text-shadow:0 2px 8px rgba(0,0,0,0.8);}
.hero-name{
  font-family:var(--f-script); font-size:clamp(3.2rem, 11vw, 4.8rem); color:#ffffff;
  letter-spacing:0.04em;
  text-shadow:0 3px 14px rgba(0,0,0,0.9), 0 0 30px rgba(201,162,77,0.65);
}
.hero-details{
  display:flex; flex-direction:column; gap:4px; align-items:center; margin:10px 0 14px;
}
.hero-tan-cu-nhan{
  font-family:var(--f-sans); font-size:clamp(.88rem, 2.5vw, 1.05rem); color:#ffffff; letter-spacing:.05em;
  text-shadow:0 2px 8px rgba(0,0,0,0.8);
}
.hero-tan-cu-nhan strong{
  font-weight:700; letter-spacing:.1em; color:#ffffff;
}
.hero-tan-cu-nhan .major-name{
  color:var(--gold); font-weight:600;
  text-shadow:0 2px 8px rgba(0,0,0,0.8), 0 0 12px rgba(201,162,77,0.4);
}
.hero-nien-khoa{
  font-family:var(--f-sans); font-size:.78rem; letter-spacing:.2em; color:rgba(255,255,255,0.9);
  text-transform:uppercase; margin-top:2px; text-shadow:0 2px 8px rgba(0,0,0,0.8);
}
.gold-highlight{
  color:var(--gold); font-weight:600; text-shadow:0 2px 8px rgba(0,0,0,0.8);
}
.hero-date-badge{
  display:inline-block; margin-top:6px; padding:8px 26px;
  border:1px solid rgba(201,162,77,0.7); border-radius:6px;
  font-family:var(--f-sans); letter-spacing:.1em; font-size:.8rem; color:#ffffff;
  background:transparent;
  box-shadow:0 0 0 1px rgba(201,162,77,0.25), inset 0 0 0 1px rgba(255,255,255,0.06);
  text-shadow:0 1px 6px rgba(0,0,0,0.9), 0 0 10px rgba(0,0,0,0.8);
}
.hero-guest-greeting{margin-top:16px; font-family:var(--f-serif); font-style:italic; font-size:.95rem; color:var(--ivory);}
.scroll-down-indicator{position:absolute; bottom:16px; left:50%; transform:translateX(-50%); z-index:3;}
.scroll-down-indicator span{
  display:block; width:1px; height:34px; background:linear-gradient(180deg, var(--gold), transparent);
  animation:scrollPulse 1.8s ease-in-out infinite;
}
@keyframes scrollPulse{0%,100%{opacity:.3;} 50%{opacity:1;}}

/* ============================================================
   MESSAGE
   ============================================================ */
.message-text{font-family:var(--f-serif); font-size:1.15rem; line-height:1.8; color:var(--ivory); text-align:center; margin-bottom:18px;}
.message-dedicated{font-family:var(--f-serif); font-style:italic; text-align:center; color:var(--gold-light); margin-bottom:20px;}
.message-signature{font-family:var(--f-basic); text-align:center; color:var(--gold-light); font-size:.95rem; font-weight:500; letter-spacing:.01em;}
.message-name{font-family:var(--f-script); text-align:center; font-size:clamp(2rem, 7vw, 2.8rem); color:var(--gold-light); margin-top:4px;}

/* ============================================================
   ZIGZAG STORY — mobile: full width card, desktop: compact row
   ============================================================ */
.zigzag-section .container{display:flex; flex-direction:column; gap:36px;}
.story-card{position:relative; display:flex; flex-direction:column;}

.story-img{
  position:relative; aspect-ratio:4/5; border:1px solid var(--line);
  border-radius:6px; overflow:hidden; z-index:9;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}
.story-img .img-ph{min-height:100%;}
.story-img::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(180deg, transparent 75%, rgba(253,246,230,.35) 100%);
  pointer-events:none;
}
.story-text{
  position:relative; z-index:10; margin:-70px 14px 0; padding:22px 20px;
  background:rgba(253,246,230,.92); border:1px solid var(--line); border-radius:4px; backdrop-filter:blur(6px);
  box-shadow:0 8px 24px rgba(0,0,0,0.06);
}
.story-card--reverse .story-text{text-align:right;}
.story-card--reverse .decor-line.left{margin-left:auto;}
.story-card--reverse .section-eyebrow.text-left{text-align:right;}

/* Desktop: compact side-by-side, image smaller */
@media (min-width:701px){
  .story-card{flex-direction:row; align-items:center; gap:36px;}
  .story-card--reverse{flex-direction:row-reverse;}
  .story-img{
    flex:0 0 36%;
    max-width:320px;
    aspect-ratio:3/4;
  }
  .story-img::after{
    display:none;
  }
  .story-text{
    flex:1; margin:0; background:transparent; border:none; backdrop-filter:none; padding:0 4px;
  }
  .zigzag-title{font-size:clamp(1.3rem, 3vw, 1.8rem);}
  .zigzag-desc{font-size:.98rem;}
}

.zigzag-title{
  font-family:var(--f-script);
  font-size:clamp(1.8rem, 6vw, 2.4rem);
  color:var(--gold-light);
  margin-bottom:10px;
  line-height:1.2;
  text-shadow:0 1px 12px rgba(201,162,77,.2);
}
.zigzag-ornament{color:var(--gold-soft); letter-spacing:.4em; font-size:.7rem; margin-bottom:12px;}
.zigzag-desc{font-family:var(--f-serif); font-size:1.05rem; line-height:1.75; color:var(--muted);}
.zigzag-eyebrow{
  font-family:var(--f-sans); letter-spacing:.3em; text-transform:uppercase;
  font-size:.68rem; color:var(--gold-soft); margin-bottom:6px;
}

.luxury-frame{position:relative; padding:10px; border:1px solid var(--line); aspect-ratio:4/5; overflow:hidden;}
.luxury-frame--arch{border-radius:120px 120px 8px 8px; aspect-ratio:3/4;}
.luxury-frame--circle{border-radius:50%; aspect-ratio:1/1;}
.luxury-frame--wide{aspect-ratio:16/8;}
.lf-corner{position:absolute; width:20px; height:20px; border:1px solid var(--gold);}
.lf-corner--tl{top:-1px; left:-1px; border-right:none; border-bottom:none;}
.lf-corner--tr{top:-1px; right:-1px; border-left:none; border-bottom:none;}
.lf-corner--bl{bottom:-1px; left:-1px; border-right:none; border-top:none;}
.lf-corner--br{bottom:-1px; right:-1px; border-left:none; border-top:none;}
.luxury-frame .img-ph{border-radius:inherit;}

/* ============================================================
   COUNTDOWN
   ============================================================ */
.countdown-section-label{
  font-family:var(--f-sans); letter-spacing:.35em; text-transform:uppercase;
  font-size:.78rem; color:var(--gold-soft); text-align:center; margin-bottom:20px;
}
.countdown-title{
  font-family:var(--f-script);
  font-size:clamp(2.6rem, 8vw, 3.8rem);
  color:var(--gold-light);
  text-align:center;
  text-shadow:0 2px 24px rgba(201,162,77,.25);
  margin-bottom:28px;
  line-height:1.1;
}
.countdown-wrap{display:flex; justify-content:center; gap:14px; flex-wrap:wrap; margin-top:6px;}
.cd-box{
  min-width:70px; padding:14px 8px; text-align:center;
  border:1px solid var(--line); border-radius:4px; background:rgba(201,162,77,.04);
}
.cd-box span{display:block; font-family:var(--f-heading); font-size:1.7rem; color:var(--gold-light);}
.cd-box small{font-family:var(--f-sans); font-size:.62rem; letter-spacing:.15em; text-transform:uppercase; color:var(--muted);}
.countdown-past{font-family:var(--f-script); font-size:1.8rem; text-align:center; color:var(--gold-light);}

.event-title.script{
  font-family:var(--f-script); font-weight:400;
  font-size:clamp(2.4rem, 8vw, 3.6rem);
  color:var(--gold-light); margin-bottom:22px;
  text-shadow:0 0 20px rgba(201,162,77,.2);
}

/* ============================================================
   CALENDAR CARD — redesigned to match reference (birthday party style)
   ============================================================ */
.calendar-card{
  margin-top:44px; padding:44px 28px 36px; border:1px solid var(--line); border-radius:8px;
  background:rgba(255,255,255,.02); text-align:center; position:relative;
}
/* Script title big — "Graduation Day" */
.cal-script-title{
  font-family:var(--f-script); font-weight:400;
  font-size:clamp(2.4rem, 8vw, 3.4rem);
  color:var(--gold-light);
  margin:0;
  line-height:1.1;
  text-align:center;
  text-shadow:0 2px 18px rgba(201,162,77,.25);
}
/* Subtitle "I N  A U G U S T" */
.cal-sub{
  font-family:var(--f-sans); font-size:.65rem; letter-spacing:.5em;
  text-transform:uppercase; color:var(--muted); margin-top:8px;
}
/* Thin vertical tick */
.cal-tick{width:1px; height:30px; background:var(--line); margin:18px auto;}
/* Month label */
.cal-month{
  font-family:var(--f-serif); font-style:italic; color:var(--gold-soft);
  font-size:.85rem; letter-spacing:.08em; margin-bottom:14px;
}
/* Day-of-week row */
.cal-dow{display:grid; grid-template-columns:repeat(7,1fr); gap:4px; margin-bottom:6px; max-width:320px; margin-left:auto; margin-right:auto;}
.cal-dow span{
  text-align:center; font-size:.58rem; letter-spacing:.08em;
  color:var(--gold-soft); text-transform:uppercase; font-family:var(--f-sans);
}
/* Calendar grid */
.cal-grid{display:grid; grid-template-columns:repeat(7,1fr); gap:4px; max-width:320px; margin:0 auto;}
.cal-d{
  aspect-ratio:1/1; display:flex; align-items:center; justify-content:center;
  font-size:.75rem; color:var(--muted); border-radius:50%; font-family:var(--f-sans);
  transition:color .2s ease;
}
.cal-d.empty{visibility:hidden;}
/* Highlighted date with heart/gold circle */
.cal-d.highlight{
  background:var(--gold);
  color:#100b06;
  font-weight:700;
  position:relative;
  box-shadow:0 0 0 3px rgba(201,162,77,.25);
}
.cal-d.highlight::before{
  content:'';
  position:absolute;
  inset:-3px;
  border-radius:50%;
  border:1px solid rgba(201,162,77,.5);
}
/* Big date */
.cal-bigdate{
  font-family:var(--f-heading);
  font-size:clamp(2rem, 7vw, 2.8rem);
  color:var(--gold-light);
  letter-spacing:.04em;
  margin-top:4px;
}
.cal-divider{width:40px; height:1px; background:var(--gold-soft); margin:16px auto;}
.cal-info{font-size:.68rem; letter-spacing:.15em; color:var(--muted); text-transform:uppercase; font-family:var(--f-sans);}
.cal-info-strong{
  font-family:var(--f-heading); font-size:.92rem; letter-spacing:.1em;
  color:var(--ivory); margin-top:4px;
}
/* Venue / time lines — using SVG icon via inline class */
.cal-venue, .cal-time{
  font-size:.75rem; color:var(--muted); margin-top:10px;
  letter-spacing:.03em; display:flex; align-items:center; justify-content:center; gap:8px;
}
.cal-icon{
  width:14px; height:14px; flex-shrink:0;
  stroke:var(--gold-soft); fill:none; stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round;
}

/* ============================================================
   PROGRAM TIMELINE — redesigned to match reference image 2
   Style: center line, icon circles on line, text alternates left/right
   HTML structure per item:
     Normal:  [text left] [icon center] [empty right]
     Reverse: [empty left] [icon center] [text right]
   ============================================================ */
.prog-timeline{position:relative; margin-top:6px; padding:10px 0;}
.prog-timeline::before{
  content:''; position:absolute; top:0; bottom:0; left:50%; width:1px;
  background:linear-gradient(180deg, transparent, var(--line) 8%, var(--line) 92%, transparent);
  transform:translateX(-50%);
}
.prog-item{
  position:relative;
  display:grid;
  grid-template-columns:1fr 56px 1fr;
  align-items:center;
  padding:22px 0;
}
/* Normal: first col = text (right aligned) */
.prog-item > .prog-side--text:first-child{
  text-align:right; padding-right:20px;
}
/* Reverse: last col = text (left aligned) */
.prog-item > .prog-side--text:last-child{
  text-align:left; padding-left:20px;
}
.prog-side--icon{
  display:flex; align-items:center; justify-content:center;
  position:relative; z-index:2;
}
.prog-side{ /* spacer */ }

.prog-time{
  font-family:var(--f-heading); font-size:1.2rem; color:var(--gold-light); letter-spacing:.02em;
}
.prog-label{
  font-family:var(--f-sans); font-size:.7rem; letter-spacing:.18em;
  text-transform:uppercase; color:var(--ivory); font-weight:500; margin-top:3px;
}
.prog-desc{
  font-family:var(--f-serif); font-style:italic;
  font-size:.82rem; color:var(--muted); margin-top:4px; line-height:1.5;
}

/* Icon circle — custom SVG themed, no emoji */
.prog-icon{
  width:52px; height:52px; border-radius:50%;
  border:1px solid var(--gold-soft);
  display:flex; align-items:center; justify-content:center;
  background:var(--bg-1);
  position:relative; z-index:1;
  box-shadow:0 0 0 5px var(--bg-0), 0 0 0 7px rgba(201,162,77,.2);
}
.prog-icon svg{
  width:22px; height:22px; fill:none;
  stroke:var(--gold-light); stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round;
}

/* ============================================================
   DRESS CODE
   ============================================================ */
.dress-code{display:flex; justify-content:center; gap:26px; margin-top:20px; flex-wrap:wrap;}
.dc-item{display:flex; flex-direction:column; align-items:center; gap:8px;}
.dc-swatch{width:46px; height:46px; border-radius:50%; border:1px solid var(--line); box-shadow:0 4px 12px rgba(0,0,0,.4);}
.dc-item p{font-size:.62rem; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); font-family:var(--f-sans);}

/* ============================================================
   LOCATION / MAP
   ============================================================ */
.map-outer{padding:8px; border:1px solid var(--line); border-radius:8px; margin-top:6px;}
.map-inner-border{border:1px solid var(--line); border-radius:4px; overflow:hidden;}
.map-iframe{width:100%; height:280px; display:block; border:0;}
.map-button-wrapper{text-align:center; margin:18px 0 12px 0;}
.map-contact-note{
  max-width:540px;
  margin:0 auto;
  padding:12px 18px;
  border:1px solid var(--gold-soft);
  border-radius:4px;
  background:transparent;
  font-family:var(--f-basic);
  font-size:.9rem;
  color:var(--ivory);
  line-height:1.6;
  text-align:center;
}
.map-contact-note .contact-phone{
  color:var(--gold-light);
  font-weight:600;
  text-decoration:none;
  border-bottom:1px dashed var(--gold-soft);
  transition:color .2s ease;
}
.map-contact-note .contact-phone:hover{
  color:var(--gold);
}
.location-guide-card{
  padding:16px 18px; border:1px solid var(--line); border-radius:6px; background:rgba(255,255,255,.02);
  font-family:var(--f-serif); font-size:.95rem; color:var(--muted); line-height:1.7;
}
.location-phone{color:var(--gold-light); border-bottom:1px solid var(--gold-soft);}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{
  display:inline-block; padding:13px 30px; font-family:var(--f-sans); font-size:.82rem; letter-spacing:.1em;
  text-transform:uppercase; cursor:pointer; border-radius:2px; transition:all .35s ease;
}
.btn-outline{border:1px solid var(--gold-soft); color:var(--gold-light); background:transparent;}
.btn-outline:hover{background:var(--gold); color:#100b06; border-color:var(--gold);}
.btn-primary{
  width:100%; border:1px solid rgba(201,162,77,0.5); 
  background:linear-gradient(135deg, rgba(201,162,77,0.55), rgba(169,134,63,0.45));
  color:rgba(50,35,12,0.85); font-weight:500;
  backdrop-filter:blur(4px);
}
.btn-primary:hover{filter:brightness(1.1); transform:translateY(-1px); box-shadow:0 8px 20px rgba(201,162,77,.25);}
.btn-primary:disabled{opacity:.6; cursor:not-allowed;}

/* ============================================================
   RSVP
   ============================================================ */
.rsvp-section{position:relative;}
.rsvp-backdrop{position:absolute; inset:0; z-index:9;}
.rsvp-backdrop-img{min-height:100%; opacity:.5;}
.rsvp-backdrop-overlay{position:absolute; inset:0; background:linear-gradient(180deg, var(--bg-2) 0%, rgba(253,246,230,.85) 30%, var(--bg-2) 100%);}
.rsvp-content{position:relative; z-index:1;}
.rsvp-desc{text-align:center; font-family:var(--f-serif); font-style:italic; color:var(--muted); margin-bottom:30px;}
.rsvp-form{
  border:1px solid var(--line); border-radius:8px; padding:34px 24px; background:rgba(255,253,248,.75);
  backdrop-filter:blur(6px); position:relative;
}
.photo-ticket{display:flex; align-items:center; gap:12px; margin-bottom:24px; padding-bottom:20px; border-bottom:1px dashed var(--line);}
.pt-photo{width:54px; height:54px; border-radius:50%; overflow:hidden; flex-shrink:0; min-height:0;}
.pt-photo.img-ph{min-height:0;}
.pt-caption{display:flex; flex-direction:column; gap:2px;}
.pt-name{font-family:var(--f-script); font-size:1.4rem; color:var(--gold-light);}
.pt-year{font-size:.65rem; letter-spacing:.15em; color:var(--muted);}
.pt-icon{font-size:1rem;}
.form-group{margin-bottom:18px;}
.form-group label{display:block; font-size:.78rem; letter-spacing:.06em; color:var(--muted); margin-bottom:6px; text-transform:uppercase;}
.form-group input, .form-group textarea, .form-group select{
  width:100%; padding:11px 14px; background:rgba(255,255,255,.5); border:1px solid var(--line);
  border-radius:3px; color:var(--ivory); font-family:var(--f-sans); font-size:.92rem; resize:vertical;
  transition:border-color .3s ease;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus{outline:none; border-color:var(--gold);}
.form-status{text-align:center; margin-top:14px; font-size:.85rem; min-height:1.2em;}

/* ============================================================
   GUESTBOOK
   ============================================================ */
.gb-status{text-align:center; font-family:var(--f-serif); font-style:italic; color:var(--muted); padding:10px 0;}
.guestbook-wrapper{overflow:hidden; margin-top:20px; padding:4px 0;}
.gb-track{display:flex; gap:16px; overflow-x:auto; scrollbar-width:none; padding:6px 24px; -webkit-overflow-scrolling:touch;}
.gb-track::-webkit-scrollbar{display:none;}
.gb-card{
  flex:0 0 auto; width:250px; padding:18px; border:1px solid var(--line); border-radius:8px;
  background:rgba(255,255,255,.55);
}
.gb-name{font-family:var(--f-script); font-size:1.4rem; color:var(--gold-light); margin-bottom:6px;}
.gb-msg{font-family:var(--f-serif); font-style:italic; font-size:.92rem; color:var(--ivory); line-height:1.5; margin-bottom:10px;}
.gb-meta{display:flex; justify-content:space-between; align-items:center; font-size:.68rem; color:var(--muted);}
.gb-badge{padding:3px 9px; border-radius:20px; font-size:.65rem;}
.gb-badge.a{background:rgba(201,162,77,.18); color:var(--gold-light);}
.gb-badge.n{background:rgba(255,255,255,.06); color:var(--muted);}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{
  position:relative; min-height:45vh; display:flex; align-items:center; justify-content:center; overflow:hidden;
  background:var(--bg-2);
}
.footer-bg-img{position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:.55; z-index:1;}
.footer-bg-overlay{
  position:absolute; inset:0; z-index:2;
  background:linear-gradient(180deg, rgba(255,253,248,.35) 0%, rgba(255,253,248,.45) 50%, rgba(253,246,230,.7) 100%);
}
.footer-content{position:relative; z-index:10; text-align:center; padding:52px 20px;}
.footer-thankyou{
  font-family:var(--f-script); font-size:clamp(2.8rem, 10vw, 4.2rem);
  color:var(--gold-light);
  text-shadow:0 2px 14px rgba(0,0,0,.15), 0 0 25px rgba(201,162,77,.4);
}
.footer-name{font-family:var(--f-heading); font-size:1.35rem; color:var(--ivory); margin-top:8px; font-weight:600;}
.footer-sub{font-family:var(--f-serif); font-style:italic; color:var(--ivory); font-weight:600; margin-top:4px;}
.footer-dedicated{margin-top:14px; font-family:var(--f-serif); font-style:italic; font-size:.85rem; color:var(--gold-light); font-weight:500;}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:600px){
  .section{padding:48px 0;}
  .container{padding:0 18px;}
  .rsvp-form{padding:26px 16px;}
  .calendar-card{padding:30px 14px;}
  .cal-dow, .cal-grid{max-width:100%;}
  .prog-icon{width:42px; height:42px;}
  .prog-icon svg{width:20px; height:20px;}
  .prog-item{grid-template-columns:1fr 44px 1fr; padding:16px 0;}
  .dress-code{gap:18px;}
  .deco-corner{width:60px; height:60px;}
  .deco-swirl{width:120px; height:120px;}
  .prog-time{font-size:1rem;}
  .prog-label{font-size:.65rem;}
  .prog-desc{font-size:.75rem;}
}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important; transition:none !important;}
}

/* ---------------- LƯU Ý THAM DỰ + SƠ ĐỒ TRƯỜNG ---------------- */
.notice-card{
  margin-top:24px; border:1px solid var(--line); border-radius:10px;
  padding:26px 24px; background:rgba(201,162,77,.05); text-align:left;
  font-family:var(--f-basic);
}
.notice-block-title{
  font-family:var(--f-basic); font-size:1.1rem; font-weight:600; color:var(--gold-light);
  margin:20px 0 8px; letter-spacing:.01em;
}
.notice-block-title:first-child{margin-top:0;}
.notice-list{margin:0 0 4px; padding-left:20px;}
.notice-list li{
  font-family:var(--f-basic); font-size:.92rem; line-height:1.75; color:var(--ivory);
  margin-bottom:4px;
}
.notice-footer-note{
  margin-top:20px; font-family:var(--f-basic); font-style:normal; font-size:.95rem; font-weight:500;
  color:var(--gold-soft); text-align:center;
}
.schoolmap-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:16px; margin-top:26px; max-width:760px; margin-left:auto; margin-right:auto;
}
.schoolmap-item{
  position:relative; z-index:9; border:1px solid var(--line); border-radius:8px; overflow:hidden;
  background:var(--bg-2); aspect-ratio:16/10; cursor:zoom-in;
  box-shadow:0 4px 15px rgba(0,0,0,0.08);
}
.schoolmap-item:nth-child(3){
  grid-column: 1 / -1;
  width: calc(50% - 8px);
  justify-self: center;
}
.schoolmap-item img{width:100%; height:100%; object-fit:cover; display:block; transition:transform .35s ease;}
.schoolmap-item:hover img{transform:scale(1.06);}
@media(max-width:640px){
  .schoolmap-grid{grid-template-columns:repeat(2,1fr); max-width:100%; gap:10px;}
  .schoolmap-item:nth-child(3){width:calc(50% - 5px);}
}

/* ---------------- LIGHTBOX (school map zoom) ---------------- */
.lightbox-overlay{
  position:fixed; inset:0; z-index:200; display:none; align-items:center; justify-content:center;
  background:rgba(20,15,9,.82); padding:24px; cursor:zoom-out;
}
.lightbox-overlay.active{display:flex;}
.lightbox-overlay img{
  max-width:min(92vw,720px); max-height:88vh; border-radius:6px; box-shadow:0 20px 60px rgba(0,0,0,.5);
  border:1px solid var(--line);
}
.lightbox-close{
  position:absolute; top:18px; right:22px; width:38px; height:38px; border-radius:50%;
  background:rgba(255,253,248,.9); border:1px solid var(--line); color:var(--ivory);
  display:flex; align-items:center; justify-content:center; font-size:1.1rem; cursor:pointer;
}