:root {
    --bg: #0a0a0c;
    --surface: #131313;
    --card: #1c1c1e;
    --accent: #CCFF00;
    --accent-dim: rgba(204, 255, 0, 0.12);
    --text: #f5f5f5;
    --muted: #9ca3af;
    --border: #2a2a2a;
    --radius: 18px;
    --font-body: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: Outfit, Inter, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

img, video {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 12px;
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    border: 1px solid transparent;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--accent);
    color: #000;
    box-shadow: 0 10px 28px rgba(204, 255, 0, 0.25);
}

.btn-primary:hover {
    box-shadow: 0 14px 36px rgba(204, 255, 0, 0.35);
}

.btn-small {
    padding: 0.6rem 1rem;
    font-size: 0.75rem;
}

.btn-large {
    padding: 1.15rem 2rem;
    font-size: 1rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: background 0.2s ease, border-color 0.2s ease;
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background: rgba(10, 10, 12, 0.92);
    backdrop-filter: blur(14px);
    border-color: var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    height: 34px;
    width: auto;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 7rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 10%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(204, 255, 0, 0.10), transparent 60%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5.5vw, 4.2rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 1.25rem;
}

.hero-lead {
    font-size: clamp(1.05rem, 1.6vw, 1.25rem);
    color: var(--muted);
    max-width: 520px;
    margin-bottom: 2rem;
}

.hero-lead strong {
    color: var(--text);
    font-weight: 600;
}

.hero-note {
    margin-top: 1.25rem;
    color: var(--muted);
    font-size: 0.85rem;
}

/* Phone mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}

.phone {
    width: min(300px, 80vw);
    aspect-ratio: 9 / 19.5;
    border-radius: 42px;
    overflow: hidden;
    border: 8px solid #1a1a1a;
    background: #000;
    box-shadow: 0 32px 70px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.06);
    position: relative;
}

.phone video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Includes */
.includes {
    padding: 5rem 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    text-align: center;
    margin-bottom: 2.5rem;
}

.includes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.include-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.include-card:hover {
    transform: translateY(-4px);
    border-color: rgba(204, 255, 0, 0.3);
}

.include-icon {
    width: 40px;
    height: 40px;
    color: var(--accent);
    margin-bottom: 1rem;
}

.include-icon svg {
    width: 100%;
    height: 100%;
}

.include-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.include-card p {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Buy */
.buy {
    padding: 5rem 0;
    position: relative;
}

.buy::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(204, 255, 0, 0.08), transparent 60%);
    pointer-events: none;
}

.buy-card {
    position: relative;
    max-width: 460px;
    margin: 0 auto;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

.buy-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius);
    border: 2px solid var(--accent);
    pointer-events: none;
    opacity: 0.35;
}

.badge {
    display: inline-block;
    background: var(--accent);
    color: #000;
    font-size: 0.65rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

.buy-title {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.price {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin: 1.25rem 0 0.5rem;
}

.price-sub {
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.checklist {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
}

.checklist li {
    padding: 0.55rem 0;
    color: var(--muted);
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
}

.checklist li::before {
    content: '';
    display: block;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23CCFF00' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/contain no-repeat;
}

.guarantee {
    margin-top: 1rem;
    color: var(--muted);
    font-size: 0.85rem;
}

/* Footer */
.footer {
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    background: var(--surface);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    color: var(--muted);
    font-size: 0.85rem;
}

.footer-links {
    display: flex;
    gap: 1.25rem;
}

.footer-links a:hover {
    color: var(--accent);
}

/* WhatsApp float */
.whatsapp-float {
    position: fixed;
    bottom: 22px;
    right: 22px;
    width: 58px;
    height: 58px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 24px rgba(37, 211, 102, 0.35);
    transition: transform 0.2s ease;
    z-index: 999;
}

.whatsapp-float:hover {
    transform: scale(1.08);
}

.whatsapp-float:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 4px;
}

.whatsapp-float svg {
    width: 30px;
    height: 30px;
    color: #fff;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2.5rem;
    }

    .hero-lead {
        margin-left: auto;
        margin-right: auto;
    }

    .includes-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .phone {
        width: min(260px, 70vw);
    }

}

@media (max-width: 520px) {
    .includes-grid {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }

    .btn-large {
        padding: 1rem 1.5rem;
        font-size: 0.95rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
    }

    html {
        scroll-behavior: auto;
    }
}