:root {
  --cream: #f4f9f0;          
  --pink: #b9ddab;           
  --pink-deep: #5c9e46;      
  --green: #7a9e7e;          
  --text: #3d4a35;          
  --gold: #a8c286;           
  --white: #ffffff;
  --envelope-grad: #d8eecb;   
  --cal-sunday: #4f8a3d;      
  --wedding-lunar: #eaf5df;   
  --btn-hover: #4a8039;       
  --card-bg: rgba(255, 255, 255, .92);  
  --map-bg: #eef5e6;                   
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Be Vietnam Pro', -apple-system, sans-serif;
  color: var(--text);
  background: var(--cream);
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
.script { font-family: 'Great Vibes', cursive; }
.sec-title {
  font-family: 'Playfair Display', serif;
  text-align: center;
  font-size: 24px;
  letter-spacing: 2px;
  margin-bottom: 18px;
  color: var(--pink-deep);
  text-transform: uppercase;
}
.hidden { display: none !important; }
#cover {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: opacity 1.2s ease, visibility 1.2s;
}
.cover-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(255,255,255,.85), rgba(255,252,250,.9)), url('../../images/nen/nen-phong-bi.jpg') center -63px/cover no-repeat;
}
.cover-inner { position: relative; padding: 24px; max-width: 420px; width: 100%; }
@media (max-width: 480px) {
  .cover-inner { padding: 24px 12px; }
}
.cover-kieu {
  font-size: 13px;
  letter-spacing: 6px;
  color: var(--gold);
  margin-bottom: 14px;
}
.cover-names {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: nowrap;
  white-space: nowrap;
  margin-bottom: 10px;
}
.cover-name {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 700;
  white-space: nowrap;
  color: var(--text);
}
.cover-amp { color: var(--pink-deep); font-size: 16px; }
.cover-date {
  font-size: 15px;
  letter-spacing: 4px;
  color: var(--gold);
  margin: 8px 0 18px;
}
.envelope {
  position: relative;
  width: min(360px, 92vw);
  margin: 0 auto;
  border-radius: 10px;
  background: var(--white);
  box-shadow: 0 10px 30px rgba(90, 74, 66, .22);
  overflow: hidden;
  transition: transform 1s ease;
  cursor: pointer;   
}
.env-flap {
  position: absolute;
  inset: 0 0 auto 0;
  height: 52%;
  background: linear-gradient(180deg, var(--pink) 0%, var(--envelope-grad) 100%);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  transform-origin: top center;
  transition: transform 1s ease;
  z-index: 2;
}
.env-body {
  position: relative;
  height: 200px;
  z-index: 1;
}
.env-curved {
  position: absolute;
  left: 50%;
  top: 38%;
  transform: translate(-50%, -50%);
  width: 240px;
  height: 152px;
  z-index: 3;
  pointer-events: none;   
  filter: drop-shadow(0 1px 2px rgba(255,255,255,.85));
}
.env-curved-text textPath {
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: 13.5px;
  letter-spacing: 2.5px;
  fill: var(--gold);
}
.env-curved-arrow { fill: var(--gold); }
.env-seal {
  position: absolute;
  top: 38%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  line-height: 64px;
  text-align: center;
  border: none;
  border-radius: 50%;
  background: var(--pink-deep);
  color: var(--white);
  font-size: 26px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(92, 158, 70, .45);   
  z-index: 4;
  transition: opacity .5s ease;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.1); }
}
#cover.env-opening .env-flap { transform: rotateX(180deg); }
#cover.env-opening .env-seal { opacity: 0; }
#cover.env-opening .env-curved { opacity: 0; transition: opacity .4s ease; }
.env-hint {
  margin-top: 14px;
  font-size: 15px;
  letter-spacing: 1px;
  color: var(--text);
  font-style: italic;
  text-align: center;
}
.env-hint b { color: var(--pink-deep); font-size: 17px; font-style: normal; }
.env-hint-top {
  margin-top: 0;
  margin-bottom: 16px;
  font-size: 16px;
}
.opening {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 20px;
  background:
    linear-gradient(rgba(255,255,255,.72), rgba(255,252,250,.85)),
    url('../../images/nen/nen-trang-dau.jpg') center/cover no-repeat;
}
.opening-card {
  max-width: 560px;
  width: 100%;
  padding: 34px 22px;
  text-align: center;
  background: var(--card-bg);
  border: 1px solid var(--pink);
  border-radius: 18px;
  box-shadow: 0 12px 36px rgba(90, 74, 66, .18);
}
.opening-kimoi {
  font-size: 13px;
  letter-spacing: 5px;
  color: var(--gold);
  margin-bottom: 14px;
}
.opening-guest {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--pink-deep);
  margin-bottom: 10px;
}
.opening-script {
  font-size: clamp(26px, 8.5vw, 44px);
  white-space: nowrap;
  color: var(--pink-deep);
  margin: 10px 0 6px;
}
.opening-date {
  font-size: 15px;
  letter-spacing: 1px;
  color: var(--text);
  background: var(--pink);
  display: inline-block;
  padding: 8px 22px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.opening-date-am {
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--green);
  margin-bottom: 16px;
}
.opening-venue {
  padding-top: 14px;
  border-top: 1px dashed var(--pink);
}
.ov-label {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--green);
  margin-bottom: 6px;
}
.ov-addr { font-size: 15px; color: var(--text); line-height: 1.6; }
.opening-venue + .opening-venue { margin-top: 12px; }
.opening-ngo {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--pink);
  font-size: 13.5px;
  font-style: italic;
  line-height: 1.7;
  color: var(--text);
}
.opening-ngo-sign {
  margin-top: 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--pink-deep);
}
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px 40px;
  text-align: center;
  position: relative;
  background:
    linear-gradient(rgba(255,255,255,0) 0%, rgba(255,252,250,.55) 62%, var(--cream) 100%),
    url('../../images/nen/nen-hero.jpg') center/cover no-repeat;
}
.hero-photo {
  width: min(300px, 82vw);
  margin: 0 auto 6px;
  padding: 8px;
  background: var(--white);
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(90, 74, 66, .3);
  transform: rotate(-1.5deg);
}
.hero-photo img {
  width: 100%;
  aspect-ratio: 2/3;   
  object-fit: cover;
  border-radius: 8px;
}
.hero-text { margin-top: 34px; }
.hero-sub { font-size: 14px; letter-spacing: 2px; color: var(--green); }
.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  letter-spacing: 8px;
  color: var(--text);
  margin: 10px 0 6px;
  text-transform: uppercase;
}
.hero-names { font-size: clamp(26px, 8.5vw, 54px); white-space: nowrap; color: var(--pink-deep); margin: 6px 0 14px; }
.hero-date {
  font-size: 15px;
  letter-spacing: 1px;
  color: var(--text);
  background: var(--pink);
  display: inline-block;
  padding: 8px 22px;
  border-radius: 999px;
}
.countdown {
  background: var(--white);
  padding: 50px 20px;
  text-align: center;
}
.countdown-when {
  font-family: 'Playfair Display', serif;
  font-size: 19px;
  margin-bottom: 26px;
  color: var(--text);
  letter-spacing: 2px;
}
.countdown-row {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.cd-cell {
  min-width: 74px;
  padding: 14px 10px;
  border: 1px solid var(--pink);
  border-radius: 12px;
  background: var(--cream);
}
.cd-cell b {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 30px;
  color: var(--pink-deep);
}
.cd-cell span {
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--text);
}
.calendar { padding: 50px 20px 60px; background: var(--white); }
.cal-wrap {
  max-width: 420px;
  margin: 0 auto;
  padding: 20px 16px 16px;
  border: 1px solid var(--pink);
  border-radius: 18px;
  background: var(--cream);
  box-shadow: 0 8px 26px rgba(90, 74, 66, .1);
}
.cal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.cal-month { text-align: center; line-height: 1.4; }
.cal-month b {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 18px;
  color: var(--text);
  letter-spacing: 1px;
}
.cal-month span { font-size: 12px; color: var(--green); font-style: italic; }
.cal-nav {
  width: 34px; height: 34px;
  border: 1px solid var(--pink);
  border-radius: 50%;
  background: var(--white);
  color: var(--pink-deep);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}
.cal-nav:active { background: var(--pink); }
.cal-weeknames {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  margin-bottom: 4px;
}
.cal-weeknames span {
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--gold);
  text-align: center;
  padding: 4px 0;
}
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}
.cal-cell {
  position: relative;
  min-height: 46px;
  padding: 5px 2px 2px;
  border-radius: 8px;
  background: var(--white);
  text-align: center;
  font-size: 13px;
  color: var(--text);
}
.cal-cell.blank { background: transparent; }
.cal-cell.wedding { z-index: 2; }
.cal-cell .lunar {
  display: block;
  font-size: 9.5px;
  color: var(--green);
  line-height: 1.2;
}
.cal-cell.sat { color: var(--pink-deep); }
.cal-cell.sun { color: var(--cal-sunday); }
.cal-cell.today { outline: 1.5px dashed var(--gold); }
.cal-cell.wedding {
  background: transparent;
  color: var(--pink-deep);
}
.cal-cell.wedding .lunar { color: var(--green); }
.cal-cell.wedding .dnum {
  font-size: 13px;
  font-weight: 700;
  line-height: 1.3;
}
.cal-cell.wedding::after {
  content: '';
  position: absolute;
  inset: -11px -9px;
  background: var(--pink-deep);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 104'><path d='M50 96 C22 76 4 58 4 34 C4 16 18 4 33 4 C42 4 48 9 50 15 C52 9 58 4 67 4 C82 4 96 16 96 34 C96 58 78 76 50 96 Z' fill='none' stroke='black' stroke-width='7' stroke-linejoin='round'/></svg>") center/contain no-repeat;
  mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 104'><path d='M50 96 C22 76 4 58 4 34 C4 16 18 4 33 4 C42 4 48 9 50 15 C52 9 58 4 67 4 C82 4 96 16 96 34 C96 58 78 76 50 96 Z' fill='none' stroke='black' stroke-width='7' stroke-linejoin='round'/></svg>") center/contain no-repeat;
  pointer-events: none;
  z-index: 1;
}
.cal-cell.wedding .lunar { position: relative; z-index: 2; }
.cal-cell.wedding .lunar {
  font-size: 9.5px;
  opacity: 1;
}
.cal-note {
  margin-top: 12px;
  font-size: 12.5px;
  text-align: center;
  color: var(--text);
  font-style: italic;
}
.couple { padding: 50px 12px; text-align: center; }
.couple-cards {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  max-width: 360px;
  margin: 0 auto;
}
.couple-card {
  padding: 12px;
  background: var(--white);
  border-radius: 14px;
  box-shadow: 0 6px 20px rgba(90, 74, 66, .12);
}
.couple-card .ph {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 10px;
  margin-bottom: 10px;
}
.couple-card .ph img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* Chú rể: đưa khung ảnh lên trên — thấy đủ đầu, cắt bớt phần chân */
.couple-card .ph-ck img {
  object-position: 50% 8%;
}
/* Cô dâu: zoom nhẹ + dịch sang phải để người nằm giữa khung */
.couple-card .ph-vk img {
  transform: scale(1.22) translate(8%, 6.5%);
}
.couple-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}
/* Tên cặp đôi — chữ viết tay Great Vibes như trang tạo thiệp (Đại Ka) */
.couple-card h3.couple-name {
  font-family: 'Great Vibes', cursive;
  font-size: clamp(21px, 6vw, 30px);
  font-weight: 400;
  color: var(--gold);
  letter-spacing: .5px;
  line-height: 1.25;
  white-space: nowrap;
  margin: 2px 0 4px;
}
.couple-birth { font-size: 12px; color: var(--green); margin-bottom: 2px; }
/* Dòng thơ nhỏ dưới ngày sinh (Đại Ka) */
.couple-note {
  font-size: 10.5px;
  font-style: italic;
  color: var(--green);
  opacity: .85;
  line-height: 1.4;
  margin-bottom: 3px;
}
.couple-role {
  font-size: 12px;
  color: var(--pink-deep);
  font-style: italic;
}
.couple-heart {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  line-height: 38px;
  text-align: center;
  font-size: 22px;
  color: var(--pink-deep);
  background: var(--white);
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(90, 74, 66, .2);
  z-index: 1;
}
.events { padding: 50px 20px; background: var(--white); }
.event-card {
  max-width: 380px;
  margin: 0 auto 26px;
  padding: 18px;
  border: 1px solid var(--pink);
  border-radius: 16px;
  background: var(--cream);
  text-align: center;
}
.event-head {
  font-family: 'Playfair Display', serif;
  font-size: 18px;
  color: var(--pink-deep);
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.event-img {
  width: 100%;
  height: 130px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 12px;
}
.event-card p { font-size: 14px; line-height: 1.6; margin-bottom: 4px; }
.event-host {
  font-size: 13px;
  font-style: italic;
  color: var(--green);
  margin-bottom: 8px;
}
.event-map {
  margin: 4px 0 10px;
  border: 1px solid var(--pink);
  border-radius: 10px;
  overflow: hidden;
  background: var(--map-bg);
}
.event-map iframe {
  display: block;
  width: 100%;
  height: 180px;
  border: 0;
}
.map-btns {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.map-btn {
  display: inline-block;
  margin-top: 10px;
  padding: 9px 26px;
  border-radius: 999px;
  background: var(--green);
  color: var(--white);
  text-decoration: none;
  font-size: 13px;
}
.map-btn-outline {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green);
}
.gallery { padding: 50px 20px; }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  max-width: 480px;
  margin: 0 auto;
}
.gallery-grid img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: 10px;
}
.gallery-more-wrap { text-align: center; margin-top: 16px; }
.gallery-more-btn {
  padding: 10px 26px;
  border: 1px solid var(--pink-deep);
  border-radius: 999px;
  background: transparent;
  color: var(--pink-deep);
  font-family: inherit;
  font-size: 13.5px;
  cursor: pointer;
  transition: all .2s;
}
.gallery-more-btn:hover { background: var(--pink-deep); color: var(--white); }
.gallery-grid.more { margin-top: 14px; }
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.lightbox[hidden] { display: none !important; }
.lb-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(42, 32, 28, .92);
  cursor: pointer;
}
.lb-img {
  position: relative;
  z-index: 2;
  max-width: 100%;
  max-height: 82vh;
  border-radius: 10px;
  box-shadow: 0 16px 60px rgba(0, 0, 0, .5);
  cursor: zoom-in;
  transition: transform .35s ease;
}
.lb-img.zoomed {
  cursor: grab;
  touch-action: none;
}
.lb-img.dragging {
  cursor: grabbing;
  transition: none;
}
.lb-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 3;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, .18);
  color: var(--white);
  font-size: 18px;
  cursor: pointer;
}
.lb-close:active { background: var(--pink-deep); }
.lb-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, .18);
  color: var(--white);
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.lb-prev { left: 12px; }
.lb-next { right: 12px; }
.lb-nav:active { background: var(--pink-deep); }
.lb-counter {
  position: absolute;
  top: 22px;
  left: 0;
  right: 0;
  z-index: 3;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .8);
  letter-spacing: 1px;
  pointer-events: none;
}
@media (max-width: 480px) {
  .lb-nav { width: 40px; height: 40px; font-size: 26px; }
  .lb-prev { left: 6px; }
  .lb-next { right: 6px; }
}
.lb-hint {
  position: absolute;
  bottom: 14px;
  left: 0;
  right: 0;
  z-index: 3;
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, .65);
  letter-spacing: .5px;
}
.qr { padding: 50px 20px; background: var(--white); text-align: center; }
.qr-intro { font-size: 14px; margin-bottom: 26px; line-height: 1.6; }
.qr-cards {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}
.qr-card {
  width: 178px;   
  padding: 16px;
  border: 1px solid var(--pink);
  border-radius: 16px;
  background: var(--cream);
}
.qr-card h3 {
  font-size: 15px;
  color: var(--pink-deep);
  margin-bottom: 10px;
}
.qr-img {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  margin-bottom: 12px;
}
.qr-card p { font-size: 12px; line-height: 1.7; }
.qr-card p span[id^="qrStk"] {
  font-size: 17px;
  font-weight: 700;
  font-family: 'Courier New', Courier, monospace;
  letter-spacing: .5px;
  color: var(--text);
}
.qr-copy-btn {
  margin-top: 10px;
  padding: 7px 16px;
  border: 1px solid var(--pink-deep);
  border-radius: 999px;
  background: transparent;
  color: var(--pink-deep);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: all .2s;
}
.qr-copy-btn:hover { background: var(--pink-deep); color: var(--white); }
.rsvp { padding: 50px 20px; text-align: center; }
.rsvp-intro { font-size: 14px; margin-bottom: 24px; font-style: italic; }
#rsvpForm {
  max-width: 380px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
#rsvpForm input[type="text"],
#rsvpForm textarea {
  padding: 12px 16px;
  border: 1px solid var(--pink);
  border-radius: 10px;
  font-family: inherit;
  font-size: 14px;
  background: var(--white);
  color: var(--text);
  resize: vertical;
}
#rsvpForm input:focus, #rsvpForm textarea:focus {
  outline: 2px solid var(--pink-deep);
  border-color: transparent;
}
.rsvp-attend {
  display: flex;
  justify-content: center;
  gap: 22px;
  font-size: 14px;
}
.rsvp-side {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 12px;
  border: 1px dashed var(--pink);
  border-radius: 10px;
  background: var(--white);
}
.rsvp-side-label { font-size: 13px; color: var(--text); font-weight: 600; }
.rsvp-side-opts {
  display: flex;
  justify-content: center;
  gap: 16px;
  font-size: 13.5px;
  flex-wrap: wrap;
}
.rsvp-side-opts label { cursor: pointer; }
#rsvpForm button {
  padding: 12px;
  border: none;
  border-radius: 999px;
  background: var(--pink-deep);
  color: var(--white);
  font-size: 15px;
  font-family: inherit;
  letter-spacing: 1px;
  cursor: pointer;
}
#rsvpForm button:hover { background: var(--btn-hover); }
.wish-list { max-width: 380px; margin: 24px auto 0; text-align: left; }
.wish-item {
  padding: 10px 14px;
  border-bottom: 1px dashed var(--pink);
  font-size: 13px;
}
.wish-item b { color: var(--pink-deep); display: block; margin-bottom: 3px; }
.wish-item .wish-side {
  display: block;
  font-size: 12px;
  color: var(--green);
  font-style: italic;
  margin-bottom: 3px;
}
.wish-more-wrap { text-align: center; margin-top: 14px; }
.footer {
  padding: 60px 20px 50px;
  text-align: center;
  background:
    linear-gradient(rgba(253, 248, 243, .88), rgba(253, 248, 243, 1)),
    url('../../images/gallery/le-ta-on.jpg') center/cover no-repeat;
}
.footer-thanks {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.footer-names { font-size: clamp(24px, 8.5vw, 42px); white-space: nowrap; color: var(--pink-deep); margin-bottom: 8px; }
.footer-note { font-size: 14px; letter-spacing: 3px; color: var(--gold); }
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .9s ease, transform .9s ease;
}
.reveal.in { opacity: 1; transform: none; }
/* ── Nút bật/tắt nhạc nền — góc trên phải (Đại Ka) ── */
.btn-music {
  position: fixed; top: 14px; right: 14px; z-index: 999;
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.7);
  background: rgba(255,255,255,.8);
  box-shadow: 0 4px 12px rgba(90,74,66,.25);
  font-size: 19px; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform .2s;
}
.btn-music:active { transform: scale(.92); }
@media (min-width: 768px) {
  .sec-title { font-size: 30px; }
  .cover-name { font-size: 34px; }
  .opening-kimoi { font-size: 15px; }   
  .opening-script { font-size: 58px; }
  .opening-card { padding: 44px 30px; }
  .hero-title { font-size: 30px; }
  .hero-names { font-size: 72px; }
  .hero-photo { width: 360px; }   
  .couple-cards { max-width: 500px; gap: 26px; }
  .couple-card { padding: 16px; }
  .couple-card .ph { border-radius: 12px; }
  .couple-heart { width: 48px; height: 48px; line-height: 46px; font-size: 26px; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .qr-card { width: 240px; }
  .event-map iframe { height: 240px; }
  .cover-bg { background: linear-gradient(rgba(255,255,255,.85), rgba(255,252,250,.9)), url('../../images/nen/nen-phong-bi-pc.jpg') center/cover no-repeat; }
}
/* ── Các tông MỚI (Đại Ka) — hồng nhạt + cam đào.
      (Đã bỏ: tím lavender, xanh dương, vàng kem, xanh non, hồng đậm theo yêu cầu) ── */
body.theme-hong-nhat {
  --cream: #fff5f8;
  --pink: #ffd9e4;
  --pink-deep: #e0688f;
  --green: #d98cae;
  --text: #5a3a46;
  --gold: #dd9cb8;
  --envelope-grad: #ffe9f0;
  --cal-sunday: #d45f8a;
  --wedding-lunar: #fff0f5;
  --btn-hover: #d45f8a;
  --map-bg: #fff0f5;
}

body.theme-cam-dao {
  --cream: #fff7f0;
  --pink: #ffdcc4;
  --pink-deep: #dd7543;
  --green: #efab86;
  --text: #5a3f2e;
  --gold: #e79b6a;
  --envelope-grad: #ffeadd;
  --cal-sunday: #cf6a35;
  --wedding-lunar: #fff2e8;
  --btn-hover: #cf6a35;
  --map-bg: #fff2e8;
}