:root {
    --bg-light-gray: #f8f9fa;
    --card-white: #ffffff;
    --accent-orange: #FF7B00;
    --accent-green: #00C49A;
    --accent-red: #FF4D4F;
    --text-dark: #1A202C;
    --text-light: #718096;
    --border-color: #E2E8F0;
    /* WhatsApp Green */
    --wa-green: #25D366; 
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light-gray);
    color: var(--text-dark);
    min-height: 100vh;
    overflow-x: hidden;
}

.container { max-width: 600px; margin: 0 auto; padding: 0px 20px 20px; text-align: center; }

header { padding: 20px 0; text-align: center; }
.logo { font-weight: 900; font-size: 1.5rem; letter-spacing: -1px; margin-bottom: 10px; }
.logo span { color: var(--accent-orange); }

/* Urgency Bar */
.urgency-bar {
    display: inline-block;
    background: #fff; border: 1px solid var(--border-color);
    padding: 8px 16px; border-radius: 20px;
    font-size: 0.75rem; font-weight: 600; color: var(--text-light);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.live-dot {
    display: inline-block; width: 6px; height: 6px;
    background: var(--accent-red); border-radius: 50%;
    margin-right: 4px; animation: blink 1.5s infinite;
}
@keyframes blink { 50% { opacity: 0.4; } }
.spots-left { color: var(--accent-orange); font-weight: 800; margin-left: 5px; }

h1 { font-size: 3rem; line-height: 1.1; margin-bottom: 20px; font-weight: 900; margin-top: 20px; }
h1 .highlight { color: var(--accent-orange); display: block; font-size: 3.5rem; }

.sub-text { color: var(--text-light); font-size: 1.1rem; margin-bottom: 15px; line-height: 1.6; }

.hero-form { display: flex; gap: 10px; justify-content: center; margin-bottom: 10px; }
.hero-input {
    background: #fff; border: 1px solid #ff7b00;
    color: var(--text-dark); padding: 15px; font-family: 'Roboto Mono', monospace;
    font-size: 1.1rem; width: 100%; border-radius: 8px; outline: none; text-transform: uppercase;
    transition: 0.2s;
}
.hero-input:focus { border-color: var(--accent-orange); box-shadow: 0 0 0 3px rgba(255, 123, 0, 0.2); }
.hero-input::placeholder { color: #A0AEC0; }
.hero-btn { 
    white-space: nowrap; background: var(--accent-orange); color: #fff;
    border: none; padding: 15px 30px; font-size: 1.1rem; border-radius: 8px;
    font-weight: 700; text-transform: uppercase; cursor: pointer;
    transition: all 0.3s;
}
.hero-btn:hover { background-color: #D96800; transform: translateY(-2px); }

.stack-container { 
    margin: 50px auto 0px; position: relative; height: 210px; 
    width: 100%; max-width: 400px; perspective: 1000px; 
}
.card {
    background: var(--card-white); color: var(--text-dark);
    border: 1px solid var(--border-color); border-radius: 16px; padding: 20px;
    position: absolute; top: 0; left: 0; right: 0;
    display: flex; justify-content: space-between; align-items: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.card.active { transform: translateZ(50px) translateY(0) scale(1); z-index: 3; opacity: 1; border-color: var(--accent-orange); }
.card.next { transform: translateZ(0px) translateY(70px) scale(0.95); z-index: 2; opacity: 0.8; }
.card.last { transform: translateZ(-50px) translateY(140px) scale(0.9); z-index: 1; opacity: 0.5; }
.sym { font-size: 2rem; font-weight: 900; line-height: 1; }
.signal { color: var(--text-light); font-weight: 700; font-size: 0.9rem; letter-spacing: 1px; }
.price { font-family: 'Roboto Mono', monospace; font-size: 1.5rem; text-align: right; }

.hud-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 40px; text-align: left; }
.hud-item { border-left: 3px solid var(--accent-orange); padding-left: 15px; }
.hud-title { color: var(--text-dark); font-size: 1rem; font-weight: 700; text-transform: uppercase; margin-bottom: 5px; }
.hud-desc { font-size: 0.9rem; color: var(--text-light); line-height: 1.5; }

/* Modal */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(26, 32, 44, 0.8); backdrop-filter: blur(8px);
    z-index: 1000; display: none; align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.3s ease;
}
.modal-overlay.active { display: flex; opacity: 1; }
.modal-box {
    background: var(--card-white); color: var(--text-dark);
    width: 90%; max-width: 400px; padding: 32px; border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3); text-align: center;
    transform: translateY(20px); transition: transform 0.3s ease;
}
.modal-overlay.active .modal-box { transform: translateY(0); }
.modal-title { font-size: 1.5rem; font-weight: 900; color: var(--text-dark); margin-bottom: 10px; text-transform: uppercase; }
.modal-desc { font-size: 0.95rem; color: var(--text-light); margin-bottom: 20px; line-height: 1.6; }

/* Progress Bar */
.prog-item { margin-bottom: 15px; }
.prog-label { display: flex; justify-content: space-between; color: var(--text-light); font-size: 0.8rem; margin-bottom: 5px; text-transform: uppercase; }
.prog-track { background: var(--border-color); height: 8px; border-radius: 4px; overflow: hidden; }
.prog-fill { height: 100%; width: 0%; border-radius: 4px; background: var(--accent-orange); transition: width 0.1s; }

.btn-whatsapp-confirm {
    background: var(--wa-green); color: white; width: 100%; display: block;
    padding: 16px; border-radius: 8px; font-weight: 700; font-size: 1rem;
    text-decoration: none; margin-bottom: 15px; text-transform: uppercase;
    transition: 0.2s; cursor: pointer; box-shadow: 0 4px 10px rgba(37, 211, 102, 0.2);
}
.btn-whatsapp-confirm:hover { background: #1DA851; transform: scale(1.02); }

.btn-cancel { background: transparent; color: #A0AEC0; border: none; font-size: 0.9rem; font-weight: 600; cursor: pointer; padding: 10px; text-transform: uppercase; letter-spacing: 1px; }
.btn-cancel:hover { color: var(--text-dark); }
.urgency-bar{
    margin-bottom: 15px;
}
@media(max-width: 600px) {
    header{
        padding-bottom: 0;
    }
    .logo{margin-bottom:0;}
    h1 { font-size: 2.5rem; }
    h1 .highlight { font-size: 3rem; }
    .stack-container { height: 200px; margin-bottom: 0; }
    .hero-form { flex-direction: column; }
    .hero-btn { width: 100%; }

}