:root {
    --bg-color: #050505;
    --surface: #101010;
    --surface-strong: #181818;
    --text-color: #f5f5f5;
    --muted-color: #9a9a9a;
    --accent-color: #ffffff;
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    background: #151619;
    background-image:
        radial-gradient(circle at 16% 14%, rgba(255, 255, 255, 0.08), transparent 18%),
        radial-gradient(circle at 92% 8%, rgba(255, 255, 255, 0.04), transparent 12%),
        linear-gradient(180deg, #1d1f23 0%, #131517 34%, #0f1114 100%);
    color: var(--text-color);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

button,
a {
    font-family: inherit;
}

.container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

header {
    padding: 26px 0 18px;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 22px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 52px;
    width: auto;
    display: block;
}

.badge-live {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.95rem 1.3rem;
    border-radius: 999px;
    background: #fff;
    color: #000;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
}

.hero {
    padding: 92px 0 88px;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.07), transparent 28%);
    pointer-events: none;
}

section {
    margin-bottom: 4rem;
}

.tagline {
    color: var(--muted-color);
    font-size: 0.82rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
    position: relative;
    z-index: 1;
}

h1 {
    font-size: clamp(2.8rem, 4.4vw, 5.2rem);
    line-height: 0.98;
    max-width: 12ch;
    margin: 0 auto 1.75rem;
    letter-spacing: -0.08em;
    font-weight: 800;
    position: relative;
    z-index: 1;
}

.hero p {
    max-width: 720px;
    margin: 0 auto 2.5rem;
    color: var(--muted-color);
    font-size: 1rem;
    line-height: 1.82;
    font-weight: 300;
    position: relative;
    z-index: 1;
}

.cta-button {
    border: none;
    background: #fff;
    color: #000;
    font-weight: 700;
    border-radius: 999px;
    padding: 1.15rem 2.4rem;
    cursor: pointer;
    transition: transform 0.28s ease, box-shadow 0.28s ease, opacity 0.28s ease;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
    letter-spacing: 0.02em;
    z-index: 1;
}

.cta-button:hover {
    transform: translateY(-3px);
    opacity: 0.96;
}

.cta-full {
    width: 100%;
    max-width: 320px;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin: 64px 0;
}

.spec-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 22px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.spec-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.16);
}

.spec-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    font-weight: 800;
}

.spec-card p {
    color: var(--muted-color);
    font-size: 0.95rem;
    line-height: 1.8;
}

.section-title {
    font-size: clamp(2.1rem, 3vw, 3.2rem);
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 800;
}

.payment-support {
    display: flex;
    justify-content: center;
    margin: 0 auto 3rem;
}

.payment-support-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.35rem 1.4rem;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    max-width: 760px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
}

.mp-color-logo {
    height: 42px;
    width: auto;
}

.payment-support-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.payment-support-copy {
    color: var(--muted-color);
    font-size: 0.95rem;
    line-height: 1.7;
}

.modules-container {
    max-width: 760px;
    margin: 0 auto 5.75rem;
}

.module-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: start;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
}

.module-row:last-child {
    border-bottom: none;
}

.module-info h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.module-info p {
    color: var(--muted-color);
    font-size: 0.95rem;
    line-height: 1.75;
    font-weight: 300;
}

.module-number {
    font-size: 1rem;
    color: var(--muted-color);
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.checkout-box {
    background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 26px;
    padding: 3.5rem 3rem;
    max-width: 640px;
    margin: 0 auto 6.5rem;
    box-shadow: var(--shadow);
}

.checkout-box .tagline {
    margin-bottom: 1rem;
}

.price-tag {
    display: inline-flex;
    align-items: baseline;
    gap: 0.65rem;
    font-size: clamp(3rem, 5vw, 4.6rem);
    font-weight: 800;
    letter-spacing: -0.08em;
    margin-bottom: 0.75rem;
    white-space: nowrap;
}

.price-currency {
    font-size: 1.25rem;
    line-height: 1;
    margin-bottom: 0;
    font-weight: 400;
    color: var(--muted-color);
}

.price-value {
    font-weight: 800;
    line-height: 1;
}

.price-unit {
    font-size: 1rem;
    font-weight: 500;
    color: var(--muted-color);
    margin-bottom: 0;
    letter-spacing: 0.08em;
}

.checkout-box p {
    color: var(--muted-color);
    font-size: 1rem;
    margin-bottom: 1.75rem;
    line-height: 1.75;
}

.after-pay-instructions {
    color: var(--text-color);
    font-size: 0.95rem;
    margin: 1rem 0 1.8rem;
    line-height: 1.8;
    opacity: 0.9;
}

.mp-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    color: var(--muted-color);
    font-size: 0.85rem;
}

.mp-logo {
    height: 28px;
    filter: none;
    opacity: 1;
}

footer {
    padding: 2.5rem 0 3.5rem;
    border-top: 1px solid var(--border-color);
    color: var(--muted-color);
    font-size: 0.92rem;
    text-align: center;
}

@media (max-width: 900px) {
    .specs-grid {
        grid-template-columns: 1fr;
    }

    .module-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 650px) {
    header {
        padding: 24px 0 12px;
    }

    .hero {
        padding: 60px 0 48px;
    }

    h1 {
        max-width: 100%;
    }

    .cta-full,
    .cta-button {
        width: 100%;
        padding: 1rem 1.6rem;
    }

    .checkout-box {
        padding: 2rem;
    }
}
