/* Kado Salju (natal-tahun-baru/kado-salju): luxe, emerald velvet and gold */

:root {
    --ec-bg: #0d5a3f;
    --ec-bg2: #03261a;
    --ec-glass: #167452;
    --ec-ink: #fbf3df;
    --ec-muted: #c4dccb;
    --ec-paper: #fffaf0;
    --ec-card-ink: #1d2b24;
    --ec-card-muted: #7b6740;
    --ec-gold: #d4a63c;
    --ec-berry: #d32f2f;
    --ec-pine: #3aa36a;
    --ec-box: #b71c1c;
    --kds-foil: linear-gradient(135deg, #a8741a, #ffe9a6 28%, #d4a63c 50%, #fff1c2 72%, #9a6614);
    --kds-gold: #c9962e;
    --kds-serif: 'Playfair Display', Georgia, serif;
    --kds-script: 'Great Vibes', 'Playfair Display', cursive;
    --kds-text: 'Lora', Georgia, serif;
    /* velvet damask: a quiet gold motif over the deep ground */
    --kds-damask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='96' height='96'%3E%3Cg fill='none' stroke='%23e9c264' stroke-opacity='.16' stroke-width='1'%3E%3Cpath d='M48 8c10 12 10 22 0 32-10-10-10-20 0-32Z'/%3E%3Cpath d='M48 88c10-12 10-22 0-32-10 10-10 20 0 32Z'/%3E%3Cpath d='M8 48c12-10 22-10 32 0-10 10-20 10-32 0Z'/%3E%3Cpath d='M88 48c-12-10-22-10-32 0 10 10 20 10 32 0Z'/%3E%3Cpath d='M30 30c6 2 10 6 12 12M66 30c-6 2-10 6-12 12M30 66c6-2 10-6 12-12M66 66c-6-2-10-6-12-12'/%3E%3C/g%3E%3Cg fill='%23e9c264' fill-opacity='.22'%3E%3Ccircle cx='48' cy='48' r='2.4'/%3E%3Ccircle cx='0' cy='0' r='2'/%3E%3Ccircle cx='96' cy='0' r='2'/%3E%3Ccircle cx='0' cy='96' r='2'/%3E%3Ccircle cx='96' cy='96' r='2'/%3E%3C/g%3E%3C/svg%3E");
    --kds-ground:
        var(--kds-damask) 0 0 / 96px 96px,
        radial-gradient(ellipse at 50% 0%, color-mix(in srgb, var(--ec-gold) 26%, transparent), transparent 55%),
        radial-gradient(ellipse at 50% 110%, color-mix(in srgb, var(--ec-glass) 70%, transparent), transparent 60%),
        linear-gradient(180deg, var(--ec-bg), var(--ec-bg2));
}

body.kds {
    background: var(--kds-ground);
    background-attachment: fixed;
    color: var(--ec-ink);
    font-family: var(--kds-text);
    font-size: 1.04rem;
    line-height: 1.85;
}
.kds-defs { position: absolute; }

/* ---------- snow and sparks ---------- */
.kds-snow { position: fixed; inset: 0; z-index: 60; pointer-events: none; overflow: hidden; }
.kds-snow span {
    position: absolute; top: -10px; left: var(--x);
    width: var(--s); height: var(--s);
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 6px rgb(255 255 255 / .7);
    opacity: .85;
}
@media (prefers-reduced-motion: no-preference) {
    .kds-snow span { animation: kds-snow var(--t) linear var(--d) infinite; }
}
@media (prefers-reduced-motion: reduce) {
    .kds-snow { display: none; }
}
@keyframes kds-snow { to { transform: translate(var(--w), 105vh); } }
.ec-open .kds-snow span:nth-child(2n) { display: none; }
.ec-open .kds-snow { opacity: .6; }

.kds-sparks { position: fixed; inset: 0; z-index: 70; pointer-events: none; overflow: hidden; }
.kds-sparks i { position: absolute; left: 0; top: 0; display: block; will-change: transform, opacity; }

/* ---------- shared ornaments ---------- */
.kds-filigree { position: absolute; width: 4.6rem; height: 4.6rem; overflow: visible; pointer-events: none; }
.kds-filigree--tl { top: 0; left: 0; }
.kds-filigree--tr { top: 0; right: 0; transform: scaleX(-1); }
.kds-filigree--bl { bottom: 0; left: 0; transform: scaleY(-1); }
.kds-filigree--br { bottom: 0; right: 0; transform: scale(-1); }
.kds-flourish { display: block; width: 11rem; height: auto; margin: .2rem auto; overflow: visible; }
.kds-flourish--small { width: 8.5rem; }

/* ---------- cover ---------- */
.kds-cover {
    --ec-open-ms: 600;
    position: relative; z-index: 1;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: .5rem;
    min-height: 100vh;
    padding: 2.6rem 1.6rem;
    text-align: center;
    transition: opacity .6s ease;
}
.ec-js .kds-cover { background: var(--kds-ground); }
.kds-frame { position: absolute; inset: 12px; pointer-events: none; }
.kds-frame::before { content: ''; position: absolute; inset: 6px; border: 2px solid transparent; border-image: var(--kds-foil) 1; }
.kds-frame::after { content: ''; position: absolute; inset: 12px; border: 1px solid transparent; border-image: var(--kds-foil) 1; opacity: .7; }
.kds-frame .kds-filigree { width: 5rem; height: 5rem; }

.kds-cover__from .ec-from__label { font-family: var(--kds-serif); font-size: .7rem; letter-spacing: .36em; color: var(--ec-muted); opacity: 1; }
.kds-cover__from .ec-from__name { font-family: var(--kds-script); font-size: 2.3rem; line-height: 1.1; color: #f3d58a; }
.kds-cover__to .ec-recipient__greeting { font-family: var(--kds-serif); letter-spacing: .36em; color: var(--ec-muted); }
.kds-cover__to .ec-recipient__name {
    max-width: 20rem; font-family: var(--kds-script); font-size: clamp(2.7rem, 12vw, 3.5rem); line-height: 1.05;
    color: var(--ec-ink); text-wrap: balance; text-shadow: 0 2px 10px rgb(0 0 0 / .35);
}

/* the gift stands in a garlanded arch */
.kds-stage { position: relative; width: min(74vw, 300px); aspect-ratio: 300 / 400; }
.kds-stage__arch { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; filter: drop-shadow(0 18px 24px rgb(0 0 0 / .4)); }
.kds-gift {
    position: absolute; left: 13%; right: 13%; bottom: 3%;
    padding: 0; border: 0; background: none; cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}
.kds-gift svg { display: block; width: 100%; height: auto; overflow: visible; }
.kds-gift:focus-visible { outline: 1px solid var(--kds-gold); outline-offset: 8px; border-radius: 12px; }
.kds-gift__lid { transform-box: fill-box; transform-origin: 50% 100%; transition: transform .9s cubic-bezier(.3, 1.3, .5, 1), opacity .6s ease .6s; }
.kds-gift__box { transition: opacity .6s ease .9s; }
.kds-bow > * { transition: transform .6s cubic-bezier(.3, .7, .2, 1), opacity .45s ease; transform-box: fill-box; transform-origin: center; }
.kds-gift__beams {
    position: absolute; left: 50%; bottom: 46%; width: 150%; height: 120%; translate: -50% 0;
    background: conic-gradient(from 180deg at 50% 100%, transparent 140deg, rgb(255 233 166 / .55) 160deg, transparent 170deg, rgb(255 233 166 / .5) 180deg, transparent 190deg, rgb(255 233 166 / .55) 200deg, transparent 220deg);
    filter: blur(2px);
    opacity: 0; transform: scaleY(.3); transform-origin: 50% 100%;
    transition: opacity .7s ease .35s, transform .9s ease .35s;
    pointer-events: none;
}
@media (prefers-reduced-motion: no-preference) {
    .ec-js:not(.ec-opening) .kds-gift:not(.is-open) .kds-gift__lid { animation: kds-wiggle 3.6s ease-in-out infinite; }
}
@keyframes kds-wiggle {
    0%, 70%, 100% { transform: none; }
    76% { transform: translateY(-5px) rotate(-3deg); }
    82% { transform: translateY(-5px) rotate(3deg); }
    88% { transform: none; }
}

/* untie: the bow comes apart, the lid lifts on beams of light */
.kds-gift.is-open .kds-bow__loop:first-of-type { transform: translate(-40px, -20px) rotate(-70deg) scale(.5); opacity: 0; }
.kds-gift.is-open .kds-bow__loop:last-of-type { transform: translate(40px, -20px) rotate(70deg) scale(.5); opacity: 0; }
.kds-gift.is-open .kds-bow__knot { transform: scale(0); opacity: 0; }
.kds-gift.is-open .kds-bow__tail { transform: translateY(40px); opacity: 0; }
.kds-gift.is-open .kds-gift__lid { transform: translate(28px, -120px) rotate(16deg); opacity: 0; }
.kds-gift.is-open .kds-gift__beams { opacity: 1; transform: none; }

.kds-hint { margin: .4rem 0 0; font-family: var(--kds-serif); font-style: italic; font-size: 1.05rem; color: #f3d58a; }
.kds-skip {
    padding: .3rem .8rem; border: 0; background: none; cursor: pointer;
    color: var(--ec-muted); font: inherit; font-size: .78rem; letter-spacing: .04em;
    text-decoration: underline; text-underline-offset: 3px;
}
.ec-opening .kds-cover { opacity: 0; }

/* ---------- the card: a short scroll ---------- */
.kds-page {
    position: relative; z-index: 1;
    width: 100%; max-width: 32rem;
    margin: 0 auto;
    padding: 0 1.1rem;
}

.kds-hero {
    position: relative;
    min-height: 100vh;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 3.4rem 0 3.4rem;
}
.kds-arch { position: relative; width: min(90vw, 350px); aspect-ratio: 300 / 450; }
.kds-arch__frame { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; filter: drop-shadow(0 24px 34px rgb(0 0 0 / .45)); }
.kds-arch__inside {
    position: absolute; left: 11%; right: 11%; top: 29%; bottom: 6%;
    display: flex; flex-direction: column; align-items: center; justify-content: flex-start;
    gap: .2rem;
    text-align: center;
}
.kds-crest { display: block; flex: none; width: 5rem; height: 5rem; overflow: visible; margin: 0 auto 1.3rem; filter: drop-shadow(0 4px 8px rgb(0 0 0 / .4)); }
.kds-hero__to .ec-recipient__greeting { font-family: var(--kds-serif); letter-spacing: .42em; color: var(--ec-muted); }
.kds-hero__to .ec-recipient__name { font-family: var(--kds-script); font-size: clamp(2.2rem, 10vw, 2.8rem); line-height: 1.1; color: var(--ec-ink); }
.kds-hero__title {
    --ec-foil-1: #b07a1c;
    --ec-foil-2: #ffeeb3;
    --ec-foil-3: #e2b04a;
    filter: drop-shadow(0 3px 6px rgb(0 0 0 / .45));
    margin: .3rem 0 .1rem;
    font-family: var(--kds-serif); font-style: italic; font-weight: 600;
    font-size: clamp(2.2rem, 10.5vw, 3rem); line-height: 1.05;
    text-wrap: balance;
    overflow-wrap: break-word;
    padding: 0 .1em .12em;
}
.kds-scroll { position: absolute; bottom: 1rem; left: 0; right: 0; margin: 0; text-align: center; font-family: var(--kds-serif); font-style: italic; color: var(--ec-muted); }
@media (prefers-reduced-motion: no-preference) {
    .kds-scroll span { display: inline-block; animation: kds-bob 1.8s ease-in-out infinite; }
}
@keyframes kds-bob { 50% { transform: translateY(5px); } }

/* photos: cameos in a beaded gold oval */
.kds-gallery { padding: .5rem 0 3rem; text-align: center; }
.kds-gallery .kds-flourish { margin-bottom: 1.6rem; }
.kds-photos { width: min(72%, 16rem); margin: 0 auto; }
.kds-photos .ec-photos__item {
    margin: 0; padding: 7px;
    border-radius: 50%;
    background:
        radial-gradient(circle, #fff1c2 1.4px, transparent 1.8px) 0 0 / 9px 9px,
        var(--kds-foil);
    box-shadow: 0 20px 34px -18px rgb(0 0 0 / .7);
}
.kds-photos img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 50%; border: 3px solid var(--ec-paper); }
.kds-gallery__hint { margin: 1.4rem 0 0; font-family: var(--kds-serif); font-style: italic; color: var(--ec-muted); }

/* the letter: ivory paper, filigree corners, a wreath watermark */
.kds-letter {
    position: relative;
    margin-top: 1rem;
    padding: 3.4rem clamp(1.7rem, 8vw, 2.8rem) 4rem;
    background-color: var(--ec-paper);
    color: var(--ec-card-ink);
    box-shadow: 0 2px 3px rgb(0 0 0 / .2), 0 40px 70px -34px rgb(0 0 0 / .75);
}
.kds-letter::before { content: ''; position: absolute; inset: 12px; border: 1px solid transparent; border-image: var(--kds-foil) 1; pointer-events: none; }
.kds-letter .kds-filigree { width: 4.2rem; height: 4.2rem; }
.kds-letter .kds-filigree--tl { top: 6px; left: 6px; }
.kds-letter .kds-filigree--tr { top: 6px; right: 6px; }
.kds-letter .kds-filigree--bl { bottom: 6px; left: 6px; }
.kds-letter .kds-filigree--br { bottom: 6px; right: 6px; }
.kds-letter__watermark { position: absolute; left: 50%; top: 50%; width: 13rem; translate: -50% -50%; opacity: .07; pointer-events: none; }
.kds-letter__message { position: relative; font-size: 1.08rem; color: color-mix(in srgb, var(--ec-card-ink) 92%, transparent); }
/* an illuminated initial */
.kds-letter__message .ec-initial {
    float: left; margin: .12em .16em 0 0; padding: .06em .14em .02em;
    font-family: var(--kds-serif); font-weight: 600; font-size: 3.1em; line-height: .9;
    color: #fff6e0;
    background: radial-gradient(circle at 30% 25%, color-mix(in srgb, var(--ec-box) 55%, white), var(--ec-box) 70%);
    border: 2px solid #d4a63c;
    outline: 1px solid #d4a63c; outline-offset: 2px;
    border-radius: 3px;
}
.kds-letter__sign { position: relative; margin-top: 2rem; text-align: center; }
.kds-letter__closing { margin: .4rem 0 0; font-family: var(--kds-serif); font-style: italic; font-size: 1.15rem; color: var(--ec-card-muted); }
.kds-signature { color: var(--ec-card-ink); }
.kds-signature text { font-family: var(--kds-script); }

/* wax seal on two ribbon ends */
.kds-seal { position: absolute; left: 50%; bottom: -2.2rem; width: 4.4rem; height: 4.4rem; translate: -50% 0; }
.kds-seal__ribbon { position: absolute; top: 2.2rem; width: 1.6rem; height: 3.2rem; background: linear-gradient(90deg, #9a6614, #ffe9a6 50%, #a8741a); clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 82%, 0 100%); }
.kds-seal__ribbon--left { left: .6rem; transform: rotate(16deg); }
.kds-seal__ribbon--right { right: .6rem; transform: rotate(-16deg); }
.kds-seal__wax {
    position: absolute; inset: 0;
    display: grid; place-items: center;
    border-radius: 48% 52% 50% 50% / 52% 48% 52% 48%;
    background: radial-gradient(circle at 35% 30%, color-mix(in srgb, var(--ec-berry) 60%, white), var(--ec-berry) 55%, color-mix(in srgb, var(--ec-berry) 60%, black));
    box-shadow: 0 6px 12px -4px rgb(0 0 0 / .6), inset 0 0 0 5px color-mix(in srgb, var(--ec-berry) 80%, black), inset 0 0 0 7px color-mix(in srgb, #d4a63c 50%, transparent);
}
.kds-seal__wax span { font-family: var(--kds-script); font-size: 2.2rem; line-height: 1; color: #fff1d6; text-shadow: 0 1px 0 rgb(0 0 0 / .3); }

.kds-actions { margin-top: 4.4rem; color: var(--ec-ink); }
.kds-actions .ec-actions__button { border-color: var(--kds-gold); background: rgb(255 255 255 / .06); }
.kds-tap-hint { margin: .6rem 0 0; text-align: center; font-size: .78rem; color: var(--ec-muted); }
.kds-branding { position: relative; color: var(--ec-muted); }

@media (min-width: 768px) {
    .kds-page { max-width: 34rem; }
}

/* picture mode: the arch and the letter fit the stage; plain gold rule (no gradient border-image) */
.ec-image .kds-hero { padding: 2.4rem 0 1.4rem; }
.ec-image .kds-letter { margin-bottom: 3rem; }
.ec-image .kds-letter::before { border-image: none; border-color: #c9962e; }