html {
    scroll-behavior: smooth;
}
:root {
    --primary-color: #0f172a;
    --accent-color: #38bdf8;
    --sale-color: #f43f5e;
    --success-color: #10b981;
    --text-light: #ffffff;
    --text-dark: #333333;
    --bg-gray: #f5f5f7;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--primary-color);
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
input, textarea {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

.watermark-wrapper {
    position: relative;
    display: block;
    width: 100%;
}
.watermark-wrapper::after {
    content: "Vanti Store";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-30deg);
    font-size: clamp(2rem, 10vw, 5rem);
    color: rgba(255, 255, 255, 0.08);
    font-weight: 900;
    pointer-events: auto;
    z-index: 5;
    white-space: nowrap;
    text-transform: uppercase;
}
.sales-image {
    width: 100%;
    height: auto;
    display: block;
    margin-bottom: -1px;
    pointer-events: none;
    -webkit-user-drag: none;
    user-drag: none;
}

#progress-container {
    position: fixed;
    top: 0;
    z-index: 1000;
    width: 100%;
    height: 4px;
    background: transparent;
}
#progress-bar {
    height: 4px;
    background: var(--accent-color);
    width: 0%;
    transition: width 0.2s ease;
}

.announcement-bar {
    background: linear-gradient(90deg, #0ea5e9, var(--accent-color));
    color: white;
    text-align: center;
    padding: 12px;
    font-weight: bold;
    font-size: 13px;
    position: sticky;
    top: 0;
    z-index: 999;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.ticker-container {
    background: #222;
    color: #fff;
    overflow: hidden;
    white-space: nowrap;
    padding: 8px 0;
    border-bottom: 2px solid var(--accent-color);
}
.ticker-text {
    display: inline-block;
    padding-left: 100%;
    animation: ticker 25s linear infinite;
    font-size: 0.9rem;
    font-weight: 300;
}
@keyframes ticker {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-100%, 0); }
}

.viewer-counter {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.85rem;
    color: #64748b;
    margin-bottom: 15px;
}
.viewer-dot {
    width: 8px;
    height: 8px;
    background-color: var(--sale-color);
    border-radius: 50%;
    animation: blink-live 1.5s infinite;
}
@keyframes blink-live {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.offer-selector {
    background: #fff;
    padding: 25px 15px;
    color: var(--primary-color);
    text-align: center;
    border-bottom: 1px solid #e2e8f0;
}
.offer-title {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 5px;
}
.delivery-estimate {
    background: #f0f9ff;
    border: 1px solid #bae6fd;
    padding: 10px;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    color: #0369a1;
}

.size-container { margin-bottom: 25px; }
.size-label { font-weight: bold; margin-bottom: 10px; display: block; }
.size-options { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.size-btn {
    width: 50px; height: 50px; border: 2px solid #e2e8f0;
    border-radius: 10px; display: flex; align-items: center;
    justify-content: center; cursor: pointer; font-weight: bold; transition: all 0.2s;
}
.size-btn.active { border-color: var(--accent-color); background: #f0f9ff; color: var(--accent-color); }

.offer-cards { display: flex; flex-direction: column; gap: 15px; }
.offer-card {
    border: 2px solid #e2e8f0; border-radius: 15px; padding: 20px;
    position: relative; cursor: pointer; transition: all 0.3s;
    text-align: left; display: flex; align-items: center; gap: 15px;
}
.offer-card.popular { border-color: var(--accent-color); background: #f0f9ff; }
.offer-img { width: 80px; height: 80px; object-fit: cover; border-radius: 10px; background: #eee; }
.offer-info { flex-grow: 1; }
.badge {
    position: absolute; top: -12px; right: 20px; background: var(--sale-color);
    color: white; padding: 2px 12px; border-radius: 20px; font-size: 0.7rem; font-weight: bold;
}
.price-now { display: block; font-size: 1.3rem; font-weight: 800; color: var(--success-color); }
.price-old { font-size: 0.9rem; text-decoration: line-through; color: #94a3b8; }

.cta-slider-link {
    display: block; text-decoration: none; background: var(--success-color);
    border-radius: 50px; height: 60px; position: relative; overflow: hidden;
    box-shadow: 0 4px 20px rgba(52, 199, 89, 0.5); animation: pulse 2s infinite;
}
.cta-slide-track { display: flex; flex-direction: column; height: 100%; transition: transform 0.5s ease-in-out; }
.cta-slide-text { height: 60px; display: flex; align-items: center; justify-content: center; color: white; font-size: 1rem; font-weight: bold; text-transform: uppercase; flex-shrink: 0; }

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(52, 199, 89, 0.7); }
    70% { box-shadow: 0 0 0 20px rgba(52, 199, 89, 0); }
    100% { box-shadow: 0 0 0 0 rgba(52, 199, 89, 0); }
}

.step-indicator { background: #f8fafc; border: 1px solid #e2e8f0; padding: 10px; border-radius: 10px; margin-bottom: 20px; text-align: center; }
.step-bar { height: 8px; background: #e2e8f0; border-radius: 4px; margin-top: 8px; overflow: hidden; }
.step-progress { height: 100%; background: var(--success-color); width: 50%; transition: width 0.5s ease; }
.step-text { font-size: 0.85rem; font-weight: 700; color: #64748b; }

.checkout-form-container { background: #fff; margin: 20px 15px; padding: 25px; border-radius: 20px; box-shadow: 0 15px 35px rgba(0,0,0,0.2); }
.checkout-title { color: var(--primary-color); font-size: 1.5rem; font-weight: 800; text-align: center; }
.checkout-subtitle { color: var(--success-color); font-size: 0.9rem; text-align: center; margin-bottom: 20px; font-weight: 600; }
.form-group { margin-bottom: 15px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 700; margin-bottom: 5px; color: #475569; }
.form-group input { width: 100%; padding: 14px; border: 2px solid #e2e8f0; border-radius: 12px; font-size: 1rem; }
.form-group input:focus { border-color: var(--accent-color); outline: none; }
.form-group input:not(:placeholder-shown):valid { border-color: var(--success-color); background-color: rgba(16, 185, 129, 0.02); }
.form-group input:not(:placeholder-shown):invalid { border-color: var(--sale-color); background-color: rgba(244, 63, 94, 0.02); }

.btn-order {
    width: 100%; background: var(--success-color); color: white; border: none;
    padding: 18px; font-size: 1.2rem; font-weight: 800; border-radius: 12px;
    cursor: pointer; text-transform: uppercase; margin-top: 10px;
    box-shadow: 0 10px 20px rgba(16, 185, 129, 0.3); transition: transform 0.2s;
}
.btn-order.loading { position: relative; color: transparent !important; pointer-events: none; }
.btn-order.loading::after {
    content: ""; position: absolute; width: 24px; height: 24px; top: 50%; left: 50%;
    margin: -12px 0 0 -12px; border: 4px solid rgba(255,255,255,0.3);
    border-radius: 50%; border-top-color: #fff; animation: spin-loader 0.8s linear infinite;
}
@keyframes spin-loader { to { transform: rotate(360deg); } }

.order-warning { background: #fff1f2; border: 1px solid #fecdd3; color: #be123c; padding: 12px; border-radius: 10px; font-size: 0.8rem; margin-top: 15px; font-weight: 600; text-align: center; }

.sticky-buy-container { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(150%); z-index: 1001; width: 90%; max-width: 400px; transition: transform 0.5s ease; }
.sticky-buy-container.show { transform: translateX(-50%) translateY(0); }
.btn-sticky {
    display: block; background: var(--success-color); color: white; text-align: center;
    padding: 15px; border-radius: 50px; text-decoration: none; font-weight: 800;
    font-size: 1.1rem; box-shadow: 0 10px 25px rgba(0,0,0,0.3); animation: wobble 3s infinite;
    position: relative; overflow: hidden;
}
.btn-sticky::after {
    content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-25deg); animation: glass-shimmer 4s infinite;
}
@keyframes glass-shimmer { 0% { left: -100%; } 25% { left: 100%; } 100% { left: 100%; } }
@keyframes wobble {
    0%, 90%, 100% { transform: translateX(0); }
    92% { transform: translateX(-5px) rotate(-1deg); }
    94% { transform: translateX(5px) rotate(1deg); }
    96% { transform: translateX(-3px) rotate(-1deg); }
    98% { transform: translateX(3px) rotate(1deg); }
}

.timer-box { background: rgba(255,255,255,0.05); border: 2px dashed var(--accent-color); margin: 20px; padding: 20px; border-radius: 15px; text-align: center; color: white; }
#timer-display { font-family: monospace; font-size: 2.5rem; font-weight: 800; letter-spacing: 2px; }

.faq-section { padding: 40px 20px; background: #111827; color: white; }
.faq-item { border-bottom: 1px solid #374151; padding: 15px 0; cursor: pointer; }
.faq-question { display: flex; justify-content: space-between; align-items: center; font-weight: bold; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; color: #9ca3af; font-size: 0.9rem; }
.faq-item.active .faq-answer { max-height: 200px; padding-top: 10px; }
.faq-item.active .faq-icon { transform: rotate(180deg); }
.faq-icon { transition: transform 0.3s; }

.social-proof {
    position: fixed; bottom: 150px; left: 20px; background: white; padding: 10px 15px;
    border-radius: 14px; box-shadow: 0 10px 30px rgba(0,0,0,0.15); display: flex;
    align-items: center; gap: 15px; z-index: 1000; transform: translateX(-150%);
    transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55); max-width: 280px;
}
.social-proof.show { transform: translateX(0); }
.social-proof .avatar { width: 44px; height: 44px; background: var(--accent-color); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-weight: bold; }
.social-proof-text { font-size: 0.8rem; color: #475569; }
.social-proof-verified { color: var(--success-color); font-size: 0.7rem; font-weight: 700; display: flex; align-items: center; gap: 4px; }

.info-highlight { background: #111; color: #fff; padding: 40px 20px; text-align: center; }
.sales-container { width: 100%; max-width: 600px; margin: 0 auto 100px auto; background-color: #000; }

.whatsapp-float {
    position: fixed; width: 60px; height: 60px; bottom: 20px; right: 20px;
    background-color: #25d366; color: #FFF; border-radius: 50px;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 2px 2px 3px #999; z-index: 1010; transition: all 0.3s ease;
}
.whatsapp-float.shifted { bottom: 115px; }
.fade-in { animation: fadeIn 0.5s; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-5px); } to { opacity: 1; } }