/* Smooth scrolling behavior */
html {
    scroll-behavior: smooth;
}
body {
    font-family: 'Inter', sans-serif;
    background-color: #f8fafc; /* Slate 50 */
    color: #1e293b; /* Slate 800 */
}
.font-grotesk {
    font-family: 'Space Grotesk', sans-serif;
}
.gradient-text {
    background: linear-gradient(135deg, #34d399 0%, #6ee7b7 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.card-hover {
    transition: all 0.3s ease;
}
.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
}
.glass {
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.2);
}
.neon-shadow {
    box-shadow: 0 0 40px rgba(16, 185, 129, 0.3);
}
.hero-gradient {
    background: linear-gradient(135deg, #064e3b 0%, #0d9488 100%);
}
.floating {
    animation: float 3s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}
.glow-on-hover {
    transition: all 0.3s ease;
}
.glow-on-hover:hover {
    box-shadow: 0 0 30px rgba(52, 211, 153, 0.6);
}
  
/* Smoother scroll reveal effect */
@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(25px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.animate-on-scroll {
    opacity: 0; 
    will-change: transform, opacity;
}
.animate-on-scroll.is-visible {
    animation: fade-in-up 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* ===== CSS LOADING DARI KODE LAMA ANDA DIMULAI DI SINI ===== */
.button-loader {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid #ffffff;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}
.is-loading {
    cursor: not-allowed;
    opacity: 0.8;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
/* ===== CSS LOADING DARI KODE LAMA ANDA SELESAI DI SINI ===== */

/* CSS untuk Countdown Timer */
#countdown-timer {
    display: flex;
    justify-content: center;
    gap: 1rem; /* Jarak antar kotak timer */
    margin: 2rem 0;
}
.timer-box {
    background-color: rgba(16, 185, 129, 0.1); /* Latar belakang transparan emerald */
    padding: 1rem;
    border-radius: 0.75rem; /* rounded-xl */
    text-align: center;
    min-width: 80px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}
.timer-time {
    font-size: 2.25rem; /* text-4xl */
    font-weight: 800; /* font-extrabold */
    color: #059669; /* emerald-600 */
    font-family: 'Space Grotesk', sans-serif;
}
.timer-label {
    font-size: 0.875rem; /* text-sm */
    color: #047857; /* emerald-700 */
    margin-top: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* WhatsApp Popup Styles */
#chat-window, #open-chat-container {
    transition: opacity 0.4s ease-in-out, transform 0.4s ease-in-out;
}
.chat-hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}
.chat-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}