/*
 * Golden Ratio Design System
 * Base unit: 8px | φ = 1.618
 * --gr-0: 8px   (φ⁰)
 * --gr-1: 13px  (φ¹)
 * --gr-2: 21px  (φ²)
 * --gr-3: 34px  (φ³)
 * --gr-4: 55px  (φ⁴)
 * --gr-5: 89px  (φ⁵)
 * --gr-6: 144px (φ⁶)
 *
 * Font scale base: 10px | φ
 * --fs-xs:   0.625rem  (~10px, φ⁰)
 * --fs-sm:   0.7rem    (~11px, adjusted for readability)
 * --fs-body: 1rem      (~16px, φ¹)
 * --fs-h2:   1.618rem  (~26px, φ²) → clamped
 * --fs-hero: 2.618rem  (~42px, φ³) → clamped
 */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Colors */
    --bg:      #111113;
    --surface: #1a1a1d;
    --border:  #2a2a2e;
    --white:   #f0efeb;
    --black:   #111113;
    --mid:     #77776e;
    --muted:   #3a3a3f;
    --accent:  #d4b896;

    /* Golden Ratio Spacing Scale (base 8px, φ=1.618) */
    --gr-0:  8px;    /* φ⁰ */
    --gr-1:  13px;   /* φ¹ */
    --gr-2:  21px;   /* φ² */
    --gr-3:  34px;   /* φ³ */
    --gr-4:  55px;   /* φ⁴ */
    --gr-5:  89px;   /* φ⁵ */
    --gr-6:  144px;  /* φ⁶ */

    /* Golden Ratio Font Scale (base 10px, φ=1.618) */
    --fs-xs:   0.625rem;  /* 10px, φ⁰ — micro labels */
    --fs-sm:   0.7rem;    /* ~11px — captions */
    --fs-body: clamp(0.875rem, 1.5vw, 1rem);  /* φ¹ range */
    --fs-h2:   clamp(1.618rem, 3.5vw, 2.618rem); /* φ²→φ³ */
    --fs-hero: clamp(2.618rem, 8vw,   6.472rem);  /* φ³→φ⁵ */

    --radius:    13px;  /* φ¹ */
    --radius-sm: 8px;   /* φ⁰ */
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Lato', sans-serif;
    background: var(--bg);
    color: var(--white);
    overflow-x: hidden;
}

/* ── HERO ── */
.hero {
    position: relative;
    min-height: 100svh;
    display: grid;
    place-items: center;
    /* padding: φ⁴→φ⁵ vertical, φ³→φ⁵ horizontal */
    padding: clamp(var(--gr-4), 8vw, var(--gr-5)) clamp(var(--gr-3), 6vw, var(--gr-5));
    overflow: hidden;
}

.hero-parallax {
    position: absolute;
    inset: -25%;
    background: var(--bg);
    will-change: transform;
    z-index: 0;
}

.hero-parallax::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(212, 184, 150, 0.12) 1px, transparent 1px);
    background-size: 28px 28px; /* keeps visual rhythm separate from spacing scale */
    opacity: 0.7;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 960px;
    width: 100%;
    text-align: center;
}

.hero-eyebrow {
    font-family: 'Lato', sans-serif;
    font-size: var(--fs-xs);     /* φ⁰ */
    font-weight: 300;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--gr-3);  /* φ³ = 34px (was 36px) */
    display: block;
    opacity: 0;
    animation: up 0.8s ease 0.2s both;
}

.hero-name {
    font-family: 'Nunito', sans-serif;
    font-size: var(--fs-hero);
    font-weight: 200;
    line-height: 0.92;
    letter-spacing: -0.02em;
    color: var(--white);
    opacity: 0;
    animation: up 1s ease 0.4s both;
}

.hero-name em {
    font-style: italic;
    color: var(--accent);
    font-weight: 300;
}

.hero-people {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: start;
    margin-top: var(--gr-4);     /* φ⁴ = 55px (was 52px) */
    opacity: 0;
    animation: up 0.9s ease 0.7s both;
}

.person {
    text-align: left;
}

.person.right {
    text-align: right;
}

.person-name-sm {
    font-size: 1rem;             /* φ¹ body */
    font-weight: 400;
    color: var(--white);
    display: block;
}

.person-role {
    font-size: var(--fs-xs);     /* φ⁰ */
    font-weight: 300;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent);
    display: block;
    margin-top: var(--gr-0);     /* φ⁰ = 8px (was 3px) */
}

.person-parents {
    font-size: 0.8rem;
    font-weight: 300;
    color: var(--mid);
    line-height: 1.618;          /* φ as line-height */
    margin-top: var(--gr-1);     /* φ¹ = 13px (was 10px) */
    font-style: italic;
}

.people-divider {
    padding: 0 clamp(var(--gr-2), 3vw, var(--gr-4)); /* φ²→φ⁴ */
    text-align: center;
    padding-top: var(--gr-0);    /* φ⁰ */
    display: flex;
    flex-direction: column;
    align-items: center;
}

.people-divider::before,
.people-divider::after {
    content: '';
    display: block;
    width: 1px;
    height: var(--gr-4);         /* φ⁴ = 55px (was 44px) */
    background: var(--muted);
}

.people-divider span {
    font-family: 'Nunito', sans-serif;
    font-style: italic;
    font-size: 1.2rem;
    color: var(--muted);
    display: block;
    padding: var(--gr-0) 0;      /* φ⁰ = 8px (was 8px) */
}

.hero-date {
    margin-top: var(--gr-4);     /* φ⁴ = 55px (was 52px) */
    font-size: var(--fs-xs);     /* φ⁰ */
    font-weight: 300;
    letter-spacing: 0.5em;
    text-transform: uppercase;
    color: var(--mid);
    display: block;
    opacity: 0;
    animation: up 0.8s ease 1s both;
}

/* HERO BUTTONS */
.hero-actions {
    margin-top: var(--gr-4);
    display: flex;
    justify-content: center;
    gap: var(--gr-1);
    flex-wrap: wrap;
}

.hero-btn {
    border: 1px solid var(--accent);
    background: transparent;
    color: var(--accent);
    padding: 14px 22px;
    border-radius: 999px;
    cursor: pointer;
    font-size: var(--fs-sm);
    letter-spacing: .15em;
    text-transform: uppercase;
    transition: .25s;
}

.hero-btn:hover {
    background: var(--accent);
    color: var(--black);
}

.hero-btn-secondary {
    border-color: var(--border);
    color: var(--white);
}

.hero-btn-secondary:hover {
    background: var(--surface);
    color: var(--white);
}

/* FLOATING MUSIC */
.music-floating {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    z-index: 9999;

    border: 1px solid var(--accent);
    background: rgba(17,17,19,.92);
    color: var(--accent);

    display: flex;
    align-items: center;
    justify-content: center;

    cursor: pointer;
    backdrop-filter: blur(10px);

    transition:
        opacity .3s ease,
        transform .3s ease,
        background .25s ease;

    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    pointer-events: none;
}

.music-floating.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.music-floating:hover {
    background: var(--accent);
    color: var(--black);
}

.scroll-bar {
    width: 1px;
    height: var(--gr-4);         /* φ⁴ = 55px (was 44px) */
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: barPulse 2s ease-in-out infinite;
}

@keyframes barPulse {
    0%, 100% { opacity: 0.15; }
    50%       { opacity: 0.6; }
}

@keyframes up {
    from { opacity: 0; transform: translateY(var(--gr-2)); }  /* φ² = 21px */
    to   { opacity: 1; transform: none; }
}

/* ── LAYOUT ── */
.wrap {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 clamp(var(--gr-3), 6vw, var(--gr-5)); /* φ³→φ⁵ */
}

.section {
    padding: clamp(var(--gr-5), 10vw, var(--gr-6)) 0; /* φ⁵→φ⁶ (was 72px→130px) */
    border-top: 1px solid var(--border);
}

.sec-label {
    font-size: var(--fs-xs);     /* φ⁰ */
    font-weight: 300;
    letter-spacing: 0.45em;
    text-transform: uppercase;
    color: var(--accent);
    display: block;
    margin-bottom: var(--gr-2);  /* φ² = 21px (was 20px) */
}

.sec-title {
    font-family: 'Nunito', sans-serif;
    font-size: var(--fs-h2);
    font-weight: 200;
    line-height: 1.15;
    color: var(--white);
}

.sec-title em {
    font-style: italic;
    color: var(--accent);
    font-weight: 300;
}

/* ── REVEAL (parallax scroll — bidirectional, repeats on re-entry) ── */
/*
 * .reveal elements animate in/out every time they enter or leave
 * the viewport — scroll down: fade+rise in; scroll back up: fade+fall back;
 * re-enter: replay. Managed by IntersectionObserver with threshold triggers
 * defined in the companion JS block below.
 */
.reveal {
    opacity: 0;
    transform: translateY(var(--gr-2));  /* φ² = 21px */
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.on {
    opacity: 1;
    transform: none;
}

/* ── PARALLAX LAYERS ── */
/*
 * .parallax-layer elements shift on scroll (both directions).
 * Transform is applied via JS using getBoundingClientRect().
 * The speed multiplier is set via data-parallax-speed attribute.
 */
.parallax-layer {
    will-change: transform;
    transition: transform 0.05s linear; /* smooths jitter */
}

/* ── QUOTE BAND ── */
.quote-band {
    position: relative;
    overflow: hidden;
    padding: clamp(var(--gr-5), 12vw, var(--gr-6)) clamp(var(--gr-3), 6vw, var(--gr-5)); /* φ⁵→φ⁶ */
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.quote-band-parallax {
    position: absolute;
    inset: -30%;
    background: var(--surface);
    will-change: transform;
}

.quote-band-parallax::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(212, 184, 150, 0.07) 1px, transparent 1px);
    background-size: 28px 28px;
}

.quote-inner {
    position: relative;
    z-index: 1;
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
}

.quote-num {
    font-size: var(--fs-xs);
    letter-spacing: 0.45em;
    text-transform: uppercase;
    color: var(--accent);
    display: block;
    margin-bottom: var(--gr-3);
    opacity: 0.7;
}

.quote-text {
    font-family: 'Nunito', sans-serif;
    font-style: italic;
    font-size: clamp(1.3rem, 3vw, 2rem);
    font-weight: 300;
    line-height: 1.618;
    color: rgba(240, 239, 235, 0.8);
}

/* ── COUNTDOWN ── */
/* .cd-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gr-1);
    margin-top: var(--gr-3);
    justify-items: center; 
}

.cd-cell {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: var(--gr-5);
    height: var(--gr-5);
}

.cd-num {
    font-family: 'Nunito', sans-serif;
    font-size: clamp(1rem, 5vw, 2rem);
    line-height: 1;
    font-weight: 200;
    display: block;
    letter-spacing: -0.02em;
    color: var(--white);
}

.cd-label {
    font-size: var(--fs-xs);
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--mid);
    display: block;
    margin-top: var(--gr-0);
    font-weight: 300;
} */

/* ── DETAIL ACARA ── */
.detail-list {
    margin-top: var(--gr-3);     /* φ³ = 34px (was 40px) */
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--gr-1);            /* φ¹ = 13px (was 10px) */
}

.detail-cell {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--gr-3) var(--gr-3); /* φ³ = 34px (was 28px/24px) */
}

.detail-cell-label {
    font-size: var(--fs-xs);     /* φ⁰ */
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--accent);
    display: block;
    margin-bottom: var(--gr-0);  /* φ⁰ = 8px */
    font-weight: 300;
}

.detail-cell-value {
    font-size: 1rem;
    font-weight: 400;
    color: var(--white);
    line-height: 1.618;          /* φ */
}

/* ── CREDIT CARDS ── */
.card-grid {
    margin-top: var(--gr-3);     /* φ³ = 34px (was 40px) */
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--gr-2);            /* φ² = 21px (was 20px) */
}

.card-block {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--gr-3) var(--gr-3); /* φ³ = 34px (was 28/24px) */
    display: grid;
    gap: var(--gr-2);            /* φ² = 21px (was 18px) */
}

.card-subtitle {
    font-size: var(--fs-sm);     /* ~0.7rem */
    font-weight: 400;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--accent);
    display: block;
}

.card-title {
    font-family: 'Nunito', sans-serif;
    font-size: 1.8rem;
    font-weight: 200;
    line-height: 1.1;
    color: var(--white);
    display: block;
}

.card-info {
    font-size: 1.05rem;
    letter-spacing: 0.18em;
    color: rgba(240, 239, 235, 0.85);
    display: block;
}

/* ── GALLERY CAROUSEL ── */
.gallery-carousel {
    position: relative;
    margin-top: var(--gr-3);     /* φ³ = 34px (was 40px) */
}

.carousel-track-wrap {
    overflow: hidden;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--muted);
}

.carousel-track {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(100%, 1fr);
    scroll-snap-type: x mandatory;
    overflow-x: auto;
    scroll-behavior: smooth;
    gap: 0;
}

.carousel-track::-webkit-scrollbar {
    display: none;
}

.carousel-slide {
    position: relative;
    scroll-snap-align: start;
    min-height: 320px;
    overflow: hidden;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease, filter 0.4s ease;
    filter: grayscale(35%) brightness(0.82);
}

.carousel-slide:hover img {
    transform: scale(1.02);
    filter: grayscale(0%) brightness(1);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: var(--gr-4);          /* φ⁴ = 55px (was 44px) */
    height: var(--gr-4);
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(17, 17, 19, 0.85);
    color: var(--white);
    display: grid;
    place-items: center;
    cursor: pointer;
    z-index: 1;
    transition: background 0.25s, transform 0.25s;
}

.carousel-btn:hover {
    background: rgba(212, 184, 150, 0.9);
    color: var(--black);
    transform: translateY(-50%) scale(1.05);
}

.carousel-btn.prev { left: var(--gr-1);  } /* φ¹ = 13px (was 14px) */
.carousel-btn.next { right: var(--gr-1); }

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: var(--gr-0);            /* φ⁰ = 8px */
    margin-top: var(--gr-2);     /* φ² = 21px (was 16px) */
}

.carousel-indicator {
    width: var(--gr-1);          /* φ¹ = 13px (was 10px) */
    height: var(--gr-1);
    border-radius: 50%;
    background: rgba(240, 239, 235, 0.2);
    border: 1px solid rgba(240, 239, 235, 0.25);
    cursor: pointer;
    transition: background 0.3s, transform 0.3s;
}

.carousel-indicator.active {
    background: var(--accent);
    transform: scale(1.2);
}

@media (max-width: 620px) {
    .carousel-btn {
        width: var(--gr-3);      /* φ³ = 34px (was 36px) */
        height: var(--gr-3);
    }

    .carousel-track-wrap {
        border-radius: calc(var(--radius-sm) - 2px);
    }
}

/* ── MAP ── */
.map-frame {
    margin-top: var(--gr-3);     /* φ³ = 34px (was 40px) */
    border: 1px solid var(--border);
    border-radius: var(--radius);
    height: 340px;
    overflow: hidden;
}

.map-frame iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: grayscale(100%) invert(0.92) contrast(0.85) brightness(0.88);
}

.map-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--gr-1);     /* φ¹ = 13px (was 14px) */
    flex-wrap: wrap;
    gap: var(--gr-0);            /* φ⁰ = 8px */
}

.map-address {
    font-size: 0.82rem;
    font-weight: 300;
    color: var(--mid);
}

.link-text {
    font-size: var(--fs-sm);     /* ~0.7rem */
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid var(--accent);
    padding-bottom: 1px;
    transition: color 0.2s, border-color 0.2s;
}

.link-text:hover {
    color: var(--white);
    border-color: var(--white);
}

/* ── MUSIK ── */
.music-bar {
    display: flex;
    align-items: center;
    gap: var(--gr-2);            /* φ² = 21px (was 20px) */
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--gr-3) var(--gr-3); /* φ³ = 34px (was 24/28px) */
    margin-top: var(--gr-3);     /* φ³ = 34px (was 40px) */
}

.music-toggle {
    width: var(--gr-4);          /* φ⁴ = 55px (was 44px) */
    height: var(--gr-4);
    border-radius: 50%;
    border: 1px solid var(--accent);
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.85rem;
    transition: background 0.25s, color 0.25s;
    color: var(--accent);
}

.music-toggle:hover {
    background: var(--accent);
    color: var(--black);
}

.music-title {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--white);
}

.music-sub {
    font-size: var(--fs-sm);     /* ~0.7rem */
    font-weight: 300;
    color: var(--mid);
    margin-top: var(--gr-0);     /* φ⁰ = 8px (was 2px) */
}

/* ── PESAN ── */
.message-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: clamp(var(--gr-3), 5vw, var(--gr-4)); /* φ³→φ⁴ (was 28px→52px) */
    margin-top: var(--gr-3);     /* φ³ = 34px (was 40px) */
}

.message-text {
    font-size: var(--fs-body);
    font-weight: 300;
    line-height: 1.618;          /* φ */
    display: flex;
    flex-direction: column;
    gap: clamp(var(--gr-3), 5vw, var(--gr-4)); /* φ³→φ⁴ */
    color: rgba(240, 239, 235, 0.7);
}

/* ── FOOTER ── */
footer {
    border-top: 1px solid var(--border);
    padding: clamp(var(--gr-4), 8vw, var(--gr-5)) clamp(var(--gr-3), 6vw, var(--gr-5)); /* φ⁴→φ⁵ / φ³→φ⁵ */
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--gr-2);            /* φ² = 21px (was 20px) */
    flex-wrap: wrap;
}

.footer-brand {
    font-family: 'Nunito', sans-serif;
    font-size: clamp(1.8rem, 5vw, 3rem);
    line-height: 1;
    font-weight: 200;
    letter-spacing: -0.01em;
    color: var(--white);
}

.footer-brand em {
    font-style: italic;
    color: var(--accent);
    font-weight: 300;
}

.footer-right p {
    font-size: var(--fs-sm);     /* ~0.7rem */
    font-weight: 300;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--mid);
    line-height: 2;
    text-align: right;
}

/* ── RESPONSIVE ── */
@media (max-width: 700px) {
    .hero-people {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--gr-3);        /* φ³ = 34px (was 28px) */
    }

    .person {
        text-align: center !important;
    }

    .people-divider {
        display: none;
    }

    footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-right p {
        text-align: left;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }
}

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
    .reveal,
    .parallax-layer,
    .hero-parallax,
    .quote-band-parallax {
        transition: none !important;
        animation: none !important;
        transform: none !important;
        opacity: 1 !important;
    }
}