/* ======================================
   Klenang Nunggal - Atelier Styles v1.0
   ====================================== */

/* Custom Animations */
@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(18px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fade-in 0.8s ease forwards;
}

.animate-fade-in-delay-1 {
    animation: fade-in 0.8s ease 0.2s forwards;
    opacity: 0;
}

.animate-fade-in-delay-2 {
    animation: fade-in 0.8s ease 0.35s forwards;
    opacity: 0;
}

/* Floating Particles */
@keyframes floatParticle {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0.6);
    }

    15% {
        opacity: 0.6;
    }

    85% {
        opacity: 0.4;
    }

    100% {
        opacity: 0;
        transform: translateY(-15vh) scale(1);
    }
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: #5FC9BD;
    border-radius: 50%;
    opacity: 0;
    animation: floatParticle linear infinite;
}

/* Navbar Scroll State */
#navbar {
    background: transparent;
    transition: background 0.3s ease, backdrop-filter 0.3s ease;
}

#navbar.scrolled {
    background: rgba(11, 15, 22, 0.9);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(95, 201, 189, 0.08);
}

/* Drum pad playing state */
.drum-pad.playing {
    border-color: #5FC9BD !important;
    background: rgba(95, 201, 189, 0.15) !important;
    box-shadow: 0 0 45px rgba(95, 201, 189, 0.35) !important;
    transform: scale(0.98) translateY(2px) !important;
}

/* Modal States */
.modal-overlay.active {
    opacity: 1 !important;
    pointer-events: all !important;
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0) !important;
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: all 0.75s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Hamburger Animation */
#navToggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#navToggle.active span:nth-child(2) {
    opacity: 0;
}

#navToggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Global Styles */
body {
    font-family: 'Source Serif 4', serif;
    background-color: #0B0F16;
    background-image:
        linear-gradient(180deg, rgba(10, 14, 18, 0.65), rgba(10, 14, 18, 0.65)),
        url("../images/latar-belakang.png");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 15% 20%, rgba(95, 201, 189, 0.08), transparent 45%),
        radial-gradient(circle at 85% 15%, rgba(38, 59, 53, 0.25), transparent 35%),
        radial-gradient(circle at 20% 80%, rgba(95, 201, 189, 0.05), transparent 40%);
    pointer-events: none;
    z-index: -1;
}

/* Section Backdrops */
.panel-ink {
    background: linear-gradient(180deg, rgba(18, 24, 38, 0.9), rgba(11, 15, 22, 0.95));
}

/* Cards */
.drum-pad,
.gallery-card,
.video-card,
.feature-card,
.filosofi-card {
    background-color: rgba(18, 24, 38, 0.75);
    border: 1px solid rgba(95, 201, 189, 0.15) !important;
    backdrop-filter: blur(4px);
    transition: all 0.5s ease;
}

.drum-pad:hover,
.gallery-card:hover,
.video-card:hover,
.feature-card:hover,
.filosofi-card:hover {
    background-color: rgba(95, 201, 189, 0.08);
    border-color: rgba(95, 201, 189, 0.55) !important;
    transform: translateY(-4px);
}

/* Hero */
.hero {
    background:
        linear-gradient(120deg, rgba(11, 15, 22, 0.92) 20%, rgba(11, 15, 22, 0.5) 55%, rgba(11, 15, 22, 0.15)),
        url("../images/background.png");
    background-size: cover;
    background-position: center;
}

/* New Home Theme */
.hero-stage {
    position: relative;
    min-height: 88vh;
    background:
        linear-gradient(180deg, rgba(8, 5, 3, 0.78), rgba(8, 5, 3, 0.45) 45%, rgba(8, 5, 3, 0.88)),
        url("../images/hero1.png");
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid rgba(95, 201, 189, 0.12);
}

.hero-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 18%, rgba(95, 201, 189, 0.2), transparent 45%);
    background-size: cover;
    opacity: 0.4;
    pointer-events: none;
}

.hero-kicker {
    text-transform: uppercase;
    letter-spacing: 0.35em;
    font-size: 0.7rem;
    color: rgba(95, 201, 189, 0.8);
    margin-bottom: 0.8rem;
}

.hero-title {
    font-family: 'Marcellus', serif;
    font-size: clamp(2.6rem, 5vw, 4.6rem);
    color: #BFE7E0;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
    margin-bottom: 1rem;
}

.hero-subtitle {
    max-width: 640px;
    margin: 0 auto 2rem;
    color: rgba(243, 239, 231, 0.82);
    font-size: 1.05rem;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 0.9rem;
    flex-wrap: wrap;
}

.btn-gold,
.btn-ghost,
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.8rem 1.6rem;
    font-family: 'Marcellus', serif;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    font-size: 0.7rem;
    border-radius: 999px;
    transition: all 0.3s ease;
}

.btn-gold {
    background: linear-gradient(135deg, #7AD6CB, #3AA9A0);
    color: #1B1209;
    box-shadow: 0 12px 25px rgba(200, 155, 83, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 30px rgba(200, 155, 83, 0.45);
}

.btn-ghost {
    color: #BFE7E0;
    border: 1px solid rgba(95, 201, 189, 0.5);
    background: rgba(12, 8, 5, 0.4);
}

.btn-ghost:hover {
    border-color: rgba(95, 201, 189, 0.9);
    background: rgba(12, 8, 5, 0.6);
}

.btn-small {
    padding: 0.65rem 1.4rem;
    font-size: 0.65rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 12px;
    background: rgba(12, 8, 5, 0.55);
    border: 1px solid rgba(95, 201, 189, 0.35);
    color: #BFE7E0;
    font-size: 0.9rem;
}

.section-wrap {
    padding: 3.5rem 0;
}

.section-title {
    text-align: center;
    font-family: 'Marcellus', serif;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    font-size: 0.9rem;
    color: rgba(95, 201, 189, 0.9);
    margin-bottom: 1.2rem;
}

.section-card {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1.5rem;
    border-radius: 18px;
    background: rgba(16, 11, 7, 0.8);
    border: 1px solid rgba(95, 201, 189, 0.25);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45);
}

.panel-gold {
    background: rgba(20, 14, 9, 0.9);
    border: 1px solid rgba(95, 201, 189, 0.2);
    border-radius: 16px;
    padding: 1.2rem 1.4rem;
}

.panel-header {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: rgba(95, 201, 189, 0.75);
    margin-bottom: 0.7rem;
}

.chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.95rem;
    border-radius: 999px;
    border: 1px solid rgba(95, 201, 189, 0.3);
    color: rgba(243, 239, 231, 0.75);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: rgba(12, 8, 5, 0.6);
    cursor: pointer;
    transition: all 0.25s ease;
    user-select: none;
}

.chip:hover {
    border-color: #5FC9BD;
    color: #F3EFE7;
    background: rgba(95, 201, 189, 0.15);
    transform: translateY(-1px);
}

/* Custom sleek scrollbar for event stream and scrollable panels */
.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
}
.custom-scrollbar::-webkit-scrollbar-track {
    background: rgba(11, 15, 22, 0.6);
    border-radius: 6px;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
    background: rgba(95, 201, 189, 0.35);
    border-radius: 6px;
    border: 1px solid rgba(95, 201, 189, 0.2);
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: rgba(95, 201, 189, 0.65);
}
.custom-scrollbar {
    scrollbar-width: thin;
    scrollbar-color: rgba(95, 201, 189, 0.35) rgba(11, 15, 22, 0.6);
}

.chip.active {
    color: #0A0D14;
    background: linear-gradient(135deg, #7AD6CB, #3AA9A0);
    border-color: rgba(255, 255, 255, 0.4);
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(95, 201, 189, 0.35);
}

/* Modern Generator Range Inputs */
.range-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.range-labels {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.7rem;
    color: rgba(243, 239, 231, 0.65);
}

.range-val-badge {
    padding: 0.15rem 0.5rem;
    border-radius: 6px;
    background: rgba(95, 201, 189, 0.15);
    border: 1px solid rgba(95, 201, 189, 0.35);
    color: #7AD6CB;
    font-family: monospace;
    font-size: 0.75rem;
    font-weight: 600;
}

.gen-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 999px;
    background: rgba(95, 201, 189, 0.2);
    outline: none;
    cursor: pointer;
    transition: background 0.2s;
}

.gen-range:hover {
    background: rgba(95, 201, 189, 0.35);
}

.gen-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #7AD6CB;
    border: 2px solid #0B0F16;
    box-shadow: 0 0 10px rgba(95, 201, 189, 0.7);
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.gen-range::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 14px rgba(95, 201, 189, 0.9);
}

.gen-range::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #7AD6CB;
    border: 2px solid #0B0F16;
    box-shadow: 0 0 10px rgba(95, 201, 189, 0.7);
    cursor: pointer;
}

/* 16-Step Visual Sequencer Matrix */
.sequencer-container {
    background: rgba(11, 15, 22, 0.7);
    border: 1px solid rgba(95, 201, 189, 0.2);
    border-radius: 14px;
    padding: 1rem;
    margin: 1rem 0;
}

.sequencer-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 6px;
}

@media (max-width: 640px) {
    .sequencer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.step-card {
    position: relative;
    padding: 0.5rem 0.3rem;
    text-align: center;
    border-radius: 10px;
    background: rgba(18, 24, 38, 0.85);
    border: 1px solid rgba(95, 201, 189, 0.15);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    user-select: none;
}

.step-card:hover {
    border-color: rgba(95, 201, 189, 0.5);
    transform: translateY(-2px);
    background: rgba(95, 201, 189, 0.1);
}

.step-card .step-num {
    display: block;
    font-size: 0.6rem;
    color: rgba(243, 239, 231, 0.45);
    letter-spacing: 0.05em;
    font-family: monospace;
    margin-bottom: 2px;
}

.step-card .step-val {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 700;
    font-family: 'Marcellus', serif;
}

.step-card .step-pitch {
    display: block;
    font-size: 0.58rem;
    color: rgba(95, 201, 189, 0.75);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 1px;
}

/* Step variants */
.step-card.is-rest {
    background: rgba(14, 18, 28, 0.6);
    border-color: rgba(255, 255, 255, 0.06);
}

.step-card.is-rest .step-val {
    color: rgba(243, 239, 231, 0.25);
}

.step-card.is-note {
    background: rgba(95, 201, 189, 0.07);
    border-color: rgba(95, 201, 189, 0.3);
}

.step-card.is-note .step-val {
    color: #7AD6CB;
}

/* Active Step Glow Highlighter */
.step-card.step-active {
    background: rgba(95, 201, 189, 0.35) !important;
    border-color: #5FC9BD !important;
    transform: scale(1.08) !important;
    box-shadow: 0 0 18px rgba(95, 201, 189, 0.8), inset 0 0 8px rgba(255, 255, 255, 0.4);
    z-index: 10;
}

.step-card.step-active .step-num {
    color: #FFFFFF;
    font-weight: bold;
}

.step-card.step-active .step-val {
    color: #FFFFFF;
    text-shadow: 0 0 8px rgba(95, 201, 189, 0.9);
}

/* Waveform Visualizer */
.waveform-box {
    position: relative;
    background: rgba(11, 15, 22, 0.6);
    border: 1px solid rgba(95, 201, 189, 0.15);
    border-radius: 12px;
    padding: 0.8rem 1rem;
    margin-bottom: 1.2rem;
}

.waveform {
    display: grid;
    grid-template-columns: repeat(32, 1fr);
    gap: 3px;
    align-items: end;
    height: 55px;
}

.waveform span {
    display: block;
    width: 100%;
    background: linear-gradient(180deg, #7AD6CB, #2E8C85);
    border-radius: 4px;
    opacity: 0.35;
    height: 15%;
    transform-origin: bottom;
    transition: height 0.15s ease, opacity 0.15s ease;
}

.waveform.playing span {
    opacity: 0.85;
    animation: wavePulse 1.2s ease-in-out infinite;
}

.waveform.playing span:nth-child(4n) { height: 45%; }
.waveform.playing span:nth-child(4n+1) { height: 80%; }
.waveform.playing span:nth-child(4n+2) { height: 60%; }
.waveform.playing span:nth-child(4n+3) { height: 95%; }
.waveform.playing span:nth-child(7n) { height: 35%; }
.waveform.playing span:nth-child(9n) { height: 100%; }
.waveform.playing span:nth-child(2n) { animation-delay: 0.1s; }
.waveform.playing span:nth-child(3n) { animation-delay: 0.2s; }
.waveform.playing span:nth-child(5n) { animation-delay: 0.35s; }
.waveform.playing span:nth-child(7n) { animation-delay: 0.5s; }

@keyframes wavePulse {
    0% { transform: scaleY(0.3); opacity: 0.45; }
    30% { transform: scaleY(1.0); opacity: 1; }
    60% { transform: scaleY(0.4); opacity: 0.6; }
    80% { transform: scaleY(0.85); opacity: 0.9; }
    100% { transform: scaleY(0.3); opacity: 0.45; }
}

.action-row {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.gallery-tile {
    background: rgba(12, 8, 5, 0.6);
    border: 1px solid rgba(95, 201, 189, 0.2);
    border-radius: 14px;
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.gallery-tile img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.gallery-tile:hover {
    transform: translateY(-4px);
    border-color: rgba(95, 201, 189, 0.6);
}

.tile-body {
    padding: 0.85rem 1rem 1.1rem;
}

.tile-body h3 {
    font-family: 'Marcellus', serif;
    font-size: 1rem;
    color: #BFE7E0;
    margin-bottom: 0.3rem;
}

.tile-body p {
    font-size: 0.78rem;
    color: rgba(243, 239, 231, 0.7);
    margin-bottom: 0.8rem;
}

.tile-link {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: rgba(95, 201, 189, 0.8);
}

.video-main {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(95, 201, 189, 0.25);
}

.video-main img {
    width: 100%;
    height: 100%;
    min-height: 220px;
    object-fit: cover;
}

.play-button {
    position: absolute;
    inset: auto auto 16px 16px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(15, 9, 5, 0.8);
    border: 1px solid rgba(95, 201, 189, 0.6);
    color: #BFE7E0;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.7rem;
}

.video-chip,
.video-thumb {
    padding: 0.7rem 0.9rem;
    border-radius: 12px;
    border: 1px solid rgba(95, 201, 189, 0.25);
    background: rgba(12, 8, 5, 0.55);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: rgba(243, 239, 231, 0.75);
}

.video-chip.active {
    background: linear-gradient(135deg, #7AD6CB, #3AA9A0);
    color: #1B1209;
}

.video-panel {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.6rem;
    border-radius: 22px;
    background: rgba(14, 12, 12, 0.8);
    border: 1px solid rgba(95, 201, 189, 0.35);
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.5);
}

.video-panel-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 1.5rem;
    align-items: center;
}

.video-panel-media {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid rgba(95, 201, 189, 0.25);
}

.video-panel-media img {
    width: 100%;
    height: 100%;
    min-height: 240px;
    object-fit: cover;
    display: block;
}

.video-panel-controls {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
}

.video-panel-controls .video-chip {
    text-align: center;
    font-size: 0.7rem;
}

@media (max-width: 768px) {
    .hero-title { font-size: 2.4rem; }
    .hero-subtitle { font-size: 0.95rem; }
    .section-card { padding: 1.1rem; }
    .video-list { grid-template-columns: 1fr; }
    .video-panel-inner { grid-template-columns: 1fr; }
    .video-panel-controls { grid-template-columns: 1fr; }
}

/* Home Video Showcase & Playlist */
.home-video-item {
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.home-video-item:hover {
    transform: translateX(4px);
    border-color: rgba(95, 201, 189, 0.5) !important;
    box-shadow: 0 4px 18px rgba(95, 201, 189, 0.12);
}

#homeVideoContainer {
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6), 0 0 30px rgba(95, 201, 189, 0.1);
}

/* Alternate Home */
.alt-hero {
    position: relative;
    min-height: 80vh;
    background:
        linear-gradient(180deg, rgba(12, 8, 5, 0.9), rgba(12, 8, 5, 0.65) 55%, rgba(12, 8, 5, 0.95)),
        url("../images/latar-belakang.png");
    background-size: cover;
    background-position: center;
}

.alt-hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 20%, rgba(95, 201, 189, 0.2), transparent 45%);
    opacity: 0.35;
    pointer-events: none;
}

.alt-kicker {
    text-transform: uppercase;
    letter-spacing: 0.32em;
    font-size: 0.7rem;
    color: rgba(95, 201, 189, 0.8);
    margin-bottom: 0.9rem;
}

.alt-title {
    font-family: 'Marcellus', serif;
    font-size: clamp(2.4rem, 4.8vw, 4.2rem);
    color: #BFE7E0;
    margin-bottom: 1rem;
}

.alt-subtitle {
    max-width: 520px;
    color: rgba(243, 239, 231, 0.8);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.alt-actions {
    display: flex;
    gap: 0.9rem;
    flex-wrap: wrap;
}

.alt-actions.center {
    justify-content: center;
}

.alt-hero-card {
    background: rgba(16, 11, 7, 0.85);
    border: 1px solid rgba(95, 201, 189, 0.25);
    border-radius: 18px;
    padding: 1.6rem;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.4);
}

.alt-card-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: rgba(95, 201, 189, 0.8);
    margin-bottom: 1rem;
}

.alt-stat-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.alt-stat {
    padding: 0.8rem;
    border-radius: 12px;
    background: rgba(12, 8, 5, 0.6);
    border: 1px solid rgba(95, 201, 189, 0.15);
    text-align: center;
}

.alt-stat span {
    display: block;
    font-family: 'Marcellus', serif;
    font-size: 1.6rem;
    color: #BFE7E0;
}

.alt-stat p {
    margin-top: 0.2rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: rgba(243, 239, 231, 0.7);
}

.alt-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(95, 201, 189, 0.6), transparent);
    margin: 1.2rem 0;
}

.alt-card-note {
    font-size: 0.85rem;
    color: rgba(243, 239, 231, 0.75);
}

.alt-section {
    padding: 3.5rem 0;
}

.alt-section-head h2 {
    font-family: 'Marcellus', serif;
    font-size: 1.6rem;
    color: #BFE7E0;
    margin-bottom: 0.3rem;
}

.alt-section-head p {
    color: rgba(243, 239, 231, 0.7);
}

.alt-card {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(95, 201, 189, 0.2);
    background: rgba(12, 8, 5, 0.55);
}

.alt-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.alt-card-body {
    padding: 1rem 1.1rem 1.4rem;
}

.alt-card-body h3 {
    font-family: 'Marcellus', serif;
    color: #BFE7E0;
    margin-bottom: 0.4rem;
}

.alt-card-body p {
    font-size: 0.85rem;
    color: rgba(243, 239, 231, 0.7);
}

.alt-section-dark {
    background: linear-gradient(180deg, rgba(16, 11, 7, 0.9), rgba(11, 15, 22, 0.95));
}

.alt-section-title {
    font-family: 'Marcellus', serif;
    font-size: 1.8rem;
    color: #BFE7E0;
    margin-bottom: 0.8rem;
}

.alt-steps {
    list-style: none;
    padding: 0;
    margin: 0 0 1.2rem 0;
    color: rgba(243, 239, 231, 0.75);
    font-size: 0.9rem;
}

.alt-steps li {
    margin-bottom: 0.6rem;
}

.alt-tile-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
}

.alt-tile {
    padding: 1.2rem;
    border-radius: 14px;
    border: 1px solid rgba(95, 201, 189, 0.2);
    background: rgba(12, 8, 5, 0.65);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.7rem;
    color: rgba(243, 239, 231, 0.8);
    text-align: center;
}

.alt-cta-title {
    font-family: 'Marcellus', serif;
    font-size: 2rem;
    color: #BFE7E0;
    margin-bottom: 0.6rem;
}

.alt-cta-sub {
    color: rgba(243, 239, 231, 0.75);
    margin-bottom: 1.6rem;
}

@media (max-width: 768px) {
    .alt-title { font-size: 2.2rem; }
    .alt-hero-card { margin-top: 1.2rem; }
    .alt-stat-grid { grid-template-columns: 1fr; }
    .alt-tile-grid { grid-template-columns: 1fr; }
}

/* Thin Divider */
.divider-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(95, 201, 189, 0.6), transparent);
}

/* Vellum Card */
.vellum {
    background-color: #F3EFE7;
    color: #2A2E35;
    box-shadow: inset 0 0 140px rgba(0, 0, 0, 0.08);
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Simulasi Klenang Styles */
.tone-card {
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}

.tone-card:hover {
    transform: translateY(-4px);
}

.tone-card.active-tone {
    border-color: #5FC9BD !important;
    background: rgba(95, 201, 189, 0.15) !important;
    box-shadow: 0 0 25px rgba(95, 201, 189, 0.35) !important;
}

.tone-card.active-tone .tone-badge {
    background: #5FC9BD !important;
    color: #0B0F16 !important;
    border-color: #5FC9BD !important;
}

.tone-card.active-tone .tone-key {
    background: rgba(95, 201, 189, 0.25) !important;
    color: #5FC9BD !important;
    border-color: rgba(95, 201, 189, 0.5) !important;
}

#malletWrap {
    transition: transform 0.08s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Wobble & Vibration solely for the bronze lempengan */
@keyframes lempenganWobble {
    0% {
        transform: translateY(0px) rotate(0deg) scale(1);
    }
    14% {
        /* Impact stroke: pushed down and slight counter-clockwise tilt from right-side strike */
        transform: translateY(7px) rotate(-1.8deg) scale(0.992);
    }
    32% {
        /* Upward rebound with clockwise tilt */
        transform: translateY(-5px) rotate(2.2deg) scale(1.008);
    }
    50% {
        /* Damping oscillation down */
        transform: translateY(3.5px) rotate(-1.2deg) scale(0.996);
    }
    68% {
        /* Damping oscillation up */
        transform: translateY(-2px) rotate(0.7deg) scale(1.003);
    }
    84% {
        /* Micro-vibration */
        transform: translateY(1px) rotate(-0.3deg) scale(0.999);
    }
    94% {
        transform: translateY(-0.4px) rotate(0.1deg) scale(1);
    }
    100% {
        transform: translateY(0px) rotate(0deg) scale(1);
    }
}

.lempengan-vibrate {
    animation: lempenganWobble 0.5s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}