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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    background:
        linear-gradient(180deg, rgba(5, 8, 22, .92), rgba(5, 8, 22, .98)),
        url("assets/bg.jpg") center top / cover fixed no-repeat,
        #050816;
    color: #fff;
    font-family: Inter, Arial, sans-serif;
    line-height: 1.6;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 20% 20%, rgba(124, 58, 237, .22), transparent 32%),
        radial-gradient(circle at 82% 18%, rgba(59, 130, 246, .18), transparent 30%),
        radial-gradient(circle at 50% 85%, rgba(168, 85, 247, .12), transparent 35%);
    z-index: -1;
}

/* HEADER */

.topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 72px;
    background: rgba(5, 8, 22, 0.72);
    backdrop-filter: blur(22px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    display: block;
    height: 46px;
    max-width: 240px;
    object-fit: contain;
}

.nav {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav a {
    color: #d4d4d8;
    text-decoration: none;
    transition: .25s;
    font-size: 15px;
}

.nav a:hover {
    color: #a78bfa;
}

/* HERO */

.hero {
    position: relative;
    display: grid;
    grid-template-columns: 1.12fr .88fr;
    gap: 64px;
    align-items: center;
    padding: 110px 80px 90px;
    min-height: 78vh;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    right: 6%;
    top: 18%;
    background: radial-gradient(circle, rgba(139,92,246,.35), transparent 62%);
    filter: blur(10px);
    z-index: -1;
}

.badge {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 999px;
    background: rgba(139,92,246,.14);
    border: 1px solid rgba(167,139,250,.35);
    color: #ddd6fe;
    margin-bottom: 22px;
    font-size: 15px;
}

.hero h1 {
    font-size: clamp(44px, 6vw, 76px);
    line-height: 1.04;
    letter-spacing: -2px;
    margin-bottom: 26px;
}

.hero p {
    font-size: 21px;
    color: #cbd5e1;
    max-width: 680px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-top: 42px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 28px;
    border-radius: 16px;
    text-decoration: none;
    font-weight: 700;
    transition: .25s;
}

.btn.primary {
    background: linear-gradient(135deg,#8b5cf6,#2563eb);
    color: white;
    box-shadow: 0 18px 40px rgba(79, 70, 229, .28);
}

.btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 22px 50px rgba(79, 70, 229, .36);
}

.btn.secondary {
    border: 1px solid rgba(255,255,255,.16);
    color: white;
    background: rgba(255,255,255,.04);
}

.btn.secondary:hover {
    border-color: rgba(167,139,250,.7);
    background: rgba(139,92,246,.1);
}

.hero-card {
    position: relative;
    min-height: 460px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 26px;
    border-radius: 32px;
    background: rgba(255,255,255,.045);
    border: 1px solid rgba(255,255,255,.10);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.08),
        0 30px 90px rgba(0,0,0,.32);
    backdrop-filter: blur(22px);
    overflow: hidden;
}

.hero-card::before {
    content: "";
    position: absolute;
    inset: -40%;
    background:
        radial-gradient(circle at 50% 50%, rgba(139,92,246,.28), transparent 48%),
        radial-gradient(circle at 80% 20%, rgba(59,130,246,.20), transparent 34%);
    z-index: -1;
}

.hero-image {
    width: 100%;
    max-width: 560px;
    max-height: 560px;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 28px 60px rgba(0,0,0,.45));
}

/* FEATURES */

.features {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 20px;
    padding: 0 80px 85px;
}

.feature-card {
    background: rgba(255,255,255,.045);
    border: 1px solid rgba(255,255,255,.09);
    border-radius: 22px;
    padding: 30px;
    transition: .25s;
    backdrop-filter: blur(18px);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(167,139,250,.55);
    background: rgba(255,255,255,.065);
}

.feature-card span {
    font-size: 34px;
}

.feature-card h3 {
    margin: 15px 0 8px;
    font-size: 20px;
}

.feature-card p {
    color: #aeb8cf;
}

/* SECTIONS */

.section {
    padding: 92px 80px;
}

.section-head {
    text-align: center;
    margin-bottom: 48px;
}

.section-head h2 {
    font-size: clamp(36px, 4vw, 52px);
    margin-bottom: 10px;
    letter-spacing: -1px;
}

.section-head p {
    color: #94a3b8;
    font-size: 18px;
}

/* BREADCRUMBS */

#breadcrumbs {
    margin-bottom: 26px;
}

#breadcrumbs button {
    background: rgba(255,255,255,.075);
    border: 1px solid rgba(255,255,255,.08);
    color: white;
    padding: 10px 16px;
    border-radius: 12px;
    margin-right: 10px;
    cursor: pointer;
}

#breadcrumbs span {
    color: #aeb8cf;
}

/* CATALOG */

.grid,
#content {
    display: grid;
    grid-template-columns: repeat(auto-fill,minmax(220px,1fr));
    gap: 22px;
}

.card {
    min-height: 190px;
    background: rgba(255,255,255,.045);
    border: 1px solid rgba(255,255,255,.09);
    border-radius: 24px;
    padding: 24px;
    cursor: pointer;
    transition: .25s;
    text-align: center;
    backdrop-filter: blur(18px);
}

.card:hover {
    transform: translateY(-6px);
    border-color: rgba(167,139,250,.65);
    background: rgba(255,255,255,.07);
}

.card img {
    width: 92px;
    height: 92px;
    object-fit: contain;
    margin-bottom: 16px;
}

.card h3 {
    font-size: 17px;
    line-height: 1.35;
}

.price {
    margin-top: 12px;
    color: #60a5fa;
    font-weight: 800;
    font-size: 20px;
}

/* REVIEWS */

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 20px;
}

.review-card {
    background: rgba(255,255,255,.045);
    border: 1px solid rgba(255,255,255,.09);
    border-radius: 22px;
    padding: 28px;
    backdrop-filter: blur(18px);
}

.review-card p {
    margin-bottom: 15px;
    color: #e5e7eb;
}

.review-card span {
    color: #a78bfa;
}

/* STEPS */

.steps {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 25px;
}

.step-card {
    background: rgba(255,255,255,.045);
    border: 1px solid rgba(255,255,255,.09);
    border-radius: 22px;
    padding: 32px;
    backdrop-filter: blur(18px);
}

.step-card span {
    display: inline-flex;
    width: 60px;
    height: 60px;
    border-radius: 18px;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg,#8b5cf6,#2563eb);
    box-shadow: 0 18px 40px rgba(79, 70, 229, .28);
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
}

.step-card h3 {
    margin-bottom: 8px;
}

.step-card p {
    color: #aeb8cf;
}

/* FOOTER */

.footer {
    margin-top: 80px;
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 50px 80px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    background: rgba(0,0,0,.18);
}

.footer p {
    color: #94a3b8;
}

.footer-links {
    display: flex;
    gap: 25px;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
}

.footer-links a:hover {
    color: #a78bfa;
}

/* PRODUCT PAGE */

.product-page {
    max-width: 900px;
    margin: auto;
    background: rgba(255,255,255,.045);
    border: 1px solid rgba(255,255,255,.09);
    border-radius: 28px;
    padding: 42px;
    backdrop-filter: blur(18px);
}

.product-logo {
    width: 122px;
    margin-bottom: 20px;
}

.product-page h2 {
    font-size: 34px;
    line-height: 1.15;
    margin-bottom: 10px;
}

.product-page p {
    color: #cbd5e1;
}

.product-help,
.product-fields {
    margin-top: 24px;
}

.product-help h3,
.product-fields h3 {
    margin-bottom: 8px;
}

.customer-input {
    width: 100%;
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.10);
    color: white;
    padding: 15px;
    border-radius: 14px;
    margin-top: 10px;
    outline: none;
}

.customer-input:focus {
    border-color: rgba(167,139,250,.7);
}

.buy-btn {
    width: 100%;
    margin-top: 28px;
    padding: 17px;
    border: none;
    border-radius: 16px;
    background: linear-gradient(135deg,#8b5cf6,#2563eb);
    color: white;
    font-size: 18px;
    font-weight: 800;
    cursor: pointer;
    transition: .25s;
}

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

/* ORDER PAGE */

.order-page {
    max-width: 760px;
    margin: 40px auto;
    padding: 24px;
}

.status-card {
    background: rgba(255,255,255,.045);
    border: 1px solid rgba(255,255,255,.09);
    border-radius: 26px;
    padding: 30px;
    margin-bottom: 20px;
    backdrop-filter: blur(18px);
}

.status-card p {
    line-height: 1.55;
}

.muted {
    color: #aeb8cf;
}

.coupon-box {
    margin-top: 22px;
    padding: 22px;
    border-radius: 18px;
    background: rgba(16, 21, 41, .75);
    border: 1px solid rgba(53, 228, 123, .7);
}

.coupon-box strong {
    display: block;
    margin-top: 10px;
    font-size: 24px;
    color: #35e47b;
    word-break: break-all;
}

/* MOBILE */

@media (max-width: 1000px) {
    .topbar {
        padding: 18px 24px;
        flex-direction: column;
        gap: 16px;
    }

    .logo img {
        height: 40px;
    }

    .nav {
        gap: 18px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero,
    .features,
    .reviews-grid,
    .steps {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 62px 24px;
        gap: 34px;
    }

    .hero h1 {
        font-size: 44px;
        letter-spacing: -1px;
    }

    .hero p {
        font-size: 18px;
    }

    .hero-card {
        min-height: auto;
        padding: 18px;
    }

    .section {
        padding: 62px 24px;
    }

    .features {
        padding: 0 24px 62px;
    }

    .footer {
        padding: 42px 24px;
        gap: 22px;
    }

    .footer-links {
        flex-wrap: wrap;
    }

    .product-page {
        padding: 26px;
    }
}