/* CSS tetap sama seperti aslinya */
:root {
    --bg: #ffffff;
    --fg: #1a1a2e;
    --muted: #6b7280;
    --accent: #6b21a8;
    --accent-light: #a855f7;
    --card: #fafafa;
    --border: #e5e7eb;
    --gradient-start: #7c3aed;
    --gradient-end: #4c1d95;
}

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

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .animate-on-scroll, .stagger-child, .reveal {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg);
    color: var(--fg);
    line-height: 1.6;
}

.font-display {
    font-family: 'DM Serif Display', serif;
}

/* Background patterns */
.hero-bg {
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(124, 58, 237, 0.08), transparent),
        radial-gradient(ellipse 60% 40% at 100% 0%, rgba(168, 85, 247, 0.05), transparent),
        linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
}

.grid-pattern {
    background-image: 
        linear-gradient(rgba(124, 58, 237, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124, 58, 237, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.animate-on-scroll { opacity: 0; }
.animate-on-scroll.visible { animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards; }

.stagger-child { opacity: 0; }
.stagger-child.visible { animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.stagger-child:nth-child(1).visible { animation-delay: 0.1s; }
.stagger-child:nth-child(2).visible { animation-delay: 0.2s; }
.stagger-child:nth-child(3).visible { animation-delay: 0.3s; }

/* Button styles */
.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(124, 58, 237, 0.4);
}

.btn-primary span { position: relative; z-index: 1; }
.btn-primary:focus-visible { outline: 2px solid var(--accent-light); outline-offset: 2px; }

.btn-secondary {
    background: transparent;
    color: var(--accent);
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    border: 2px solid var(--accent);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}

.btn-secondary:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-2px);
}

/* Card styles */
.feature-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(124, 58, 237, 0.15);
    border-color: transparent;
}

.feature-card:hover::before { transform: scaleX(1); }

/* Price card */
.price-card {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    border-radius: 20px;
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.price-card::before {
    content: '';
    position: absolute;
    top: -50%; right: -50%;
    width: 100%; height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
}

/* Hero image frame */
.hero-image-frame {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(124, 58, 237, 0.2);
}

.hero-image-frame::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px solid rgba(124, 58, 237, 0.1);
    border-radius: 20px;
    pointer-events: none;
    z-index: 2;
}

.hero-image-frame img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.hero-image-frame:hover img { transform: scale(1.05); }

/* Logo */
.logo-text {
    font-weight: 700;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
nav {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.9);
}

/* Reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Indonesian text style */
.indo-text {
    font-style: italic;
    color: var(--muted);
    font-size: 0.95em;
    display: block;
    margin-top: 0.5rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 40%);
}

/* Feature icon */
.feature-icon {
    width: 56px; height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(168, 85, 247, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    background: rgba(124, 58, 237, 0.1);
    color: var(--accent);
}

/* Mobile menu */
.mobile-menu { display: none; }
@media (max-width: 768px) {
    .mobile-menu { display: block; }
    .desktop-nav { display: none; }
}

/* Hero slider dots */
.slider-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--border);
    transition: all 0.3s ease;
    cursor: pointer;
}
.slider-dot.active {
    background: var(--accent);
    width: 30px;
    border-radius: 5px;
}

/* Checklist */
.checklist-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
}

.checklist-icon {
    width: 24px; height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

/* Image overlay */
.image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(168, 85, 247, 0.05));
    pointer-events: none;
}

/* Problem section image */
.problem-image-container {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
}

.problem-image-container img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.problem-image-container:hover img { transform: scale(1.05); }

/* Method card image */
.method-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 20px;
    transition: transform 0.4s ease;
}

.feature-card:hover .method-card-image { transform: scale(1.03); }

/* Video Section Styles */
.video-container {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(124, 58, 237, 0.2);
    background: #000;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.video-frame-overlay {
    position: absolute;
    inset: 0;
    border: 2px solid rgba(124, 58, 237, 0.2);
    border-radius: 20px;
    pointer-events: none;
    z-index: 2;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: white;
    border-radius: 20px;
    max-width: 600px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    z-index: 101;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-content.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #f3f4f6;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: #e5e7eb;
    transform: rotate(90deg);
}

/* Footer link hover */
.footer-link {
    cursor: pointer;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: white;
}

/* WhatsApp button special style */
.btn-whatsapp {
    background: linear-gradient(135deg, #25D366, #128C7E);
}

.btn-whatsapp:hover {
    box-shadow: 0 10px 40px rgba(37, 211, 102, 0.4);
}