@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Work+Sans:wght@400;500;600&display=swap');

* {
    box-sizing: border-box;
}

:root {
    --bg-1: #f6f1ea;
    --bg-2: #e7f1f6;
    --surface: #ffffff;
    --ink: #1c232b;
    --muted: #5b6672;
    --accent: #0b6e6b;
    --accent-strong: #0f8a84;
    --accent-warm: #f09d51;
    --border: #e3e7eb;
    --shadow-sm: 0 6px 16px rgba(16, 24, 40, 0.08);
    --shadow-md: 0 18px 45px rgba(16, 24, 40, 0.12);
    --shadow-lg: 0 26px 60px rgba(16, 24, 40, 0.16);
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 28px;
    --header-h: 84px;
}

body {
    font-family: "Work Sans", "Segoe UI", sans-serif;
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background: linear-gradient(135deg, var(--bg-1) 0%, var(--bg-2) 100%);
    overflow-x: hidden;
    position: relative;
    padding-top: var(--header-h);
}

body::before,
body::after {
    content: "";
    position: fixed;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    filter: blur(0);
    opacity: 0.18;
    z-index: -1;
}

body::before {
    top: -120px;
    right: -120px;
    background: radial-gradient(circle, #0f8a84 0%, transparent 70%);
}

body::after {
    bottom: -200px;
    left: -120px;
    background: radial-gradient(circle, #f09d51 0%, transparent 70%);
}

@keyframes floatIn {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-24px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes softPulse {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(246, 241, 234, 0.92);
    backdrop-filter: blur(14px);
    padding: 0.9rem 3rem;
    min-height: var(--header-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    border-bottom: 1px solid rgba(28, 35, 43, 0.12);
}

header h1 {
    margin: 0;
    font-family: "Space Grotesk", "Segoe UI", sans-serif;
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: -0.6px;
    background: linear-gradient(120deg, #0b6e6b 0%, #1c232b 70%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-align: left;
    white-space: nowrap;
}

nav {
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 1.2rem;
}

.nav-toggle-input {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    border: 0;
    clip: rect(0 0 0 0);
    overflow: hidden;
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(28, 35, 43, 0.2);
    border-radius: 12px;
    background: var(--surface);
    align-items: center;
    justify-content: center;
    gap: 4px;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 999px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle span:nth-child(2) {
    width: 16px;
}

.nav-toggle-input:checked + .nav-toggle span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.nav-toggle-input:checked + .nav-toggle span:nth-child(2) {
    opacity: 0;
}

.nav-toggle-input:checked + .nav-toggle span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

nav a {
    text-decoration: none;
    color: var(--ink);
    padding: 0.2rem 0;
    border-radius: 0;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.4px;
    border: none;
    background: transparent;
    transition: color 0.2s ease;
    position: relative;
    overflow: hidden;
}

nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 100%;
    height: 2px;
    background: linear-gradient(120deg, #0b6e6b, #f09d51);
    opacity: 0.7;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease;
}

nav a:hover {
    color: var(--ink);
}

nav a:hover::after {
    transform: scaleX(1);
}

.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: calc(4rem + var(--header-h)) 3rem 4rem;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
    position: relative;
}

.hero::before,
.hero::after {
    content: "";
    position: absolute;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    z-index: 0;
    opacity: 0.18;
    pointer-events: none;
}

.hero::before {
    top: 20px;
    left: -40px;
    background: radial-gradient(circle, #0f8a84 0%, transparent 70%);
}

.hero::after {
    bottom: 10px;
    right: -30px;
    background: radial-gradient(circle, #f09d51 0%, transparent 70%);
}

.hero-content {
    flex: 1 1 340px;
    animation: slideIn 0.6s ease-out;
    position: relative;
    z-index: 1;
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-content h2 {
    font-family: "Space Grotesk", "Segoe UI", sans-serif;
    font-size: 3.2rem;
    line-height: 1.1;
    margin: 0 0 1.2rem 0;
    max-width: 620px;
    width: 100%;
    text-align: left;
}

.hero-content p {
    font-size: 1.15rem;
    color: var(--muted);
    line-height: 1.7;
    margin: 0 0 2rem 0;
    max-width: 620px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.9rem 2rem;
    border-radius: 999px;
    background: linear-gradient(120deg, var(--accent) 0%, var(--accent-strong) 100%);
    color: white;
    text-decoration: none;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hero-image {
    flex: 1 1 320px;
    text-align: center;
    animation: floatIn 0.7s ease-out;
    position: relative;
    z-index: 1;
}

.hero-image img {
    width: min(520px, 100%);
    border-radius: 0;
    box-shadow: none;
    filter: drop-shadow(0 18px 40px rgba(16, 24, 40, 0.28));
    animation: softPulse 6s ease-in-out infinite;
}

main {
    max-width: 1200px;
    margin: 2.5rem auto 4rem;
    padding: 2.5rem;
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    animation: floatIn 0.6s ease-out;
}

h2 {
    text-align: center;
    font-family: "Space Grotesk", "Segoe UI", sans-serif;
    font-size: 2.4rem;
    margin: 0 0 2.5rem 0;
}

.categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.8rem;
}

.category-link {
    text-decoration: none;
    color: inherit;
}

.category-card {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    min-height: 230px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(11, 110, 107, 0.35);
}

.category-icon {
    font-size: 3.6rem;
    margin-bottom: 0.9rem;
}

.category-card h3 {
    margin: 0 0 0.6rem 0;
    font-family: "Space Grotesk", "Segoe UI", sans-serif;
    font-size: 1.6rem;
}

.category-card p {
    margin: 0;
    color: var(--muted);
}

.product-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    max-width: 720px;
    margin: 2rem auto;
    animation: floatIn 0.6s ease-out;
}

.product img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    display: block;
}

.description {
    padding: 2rem;
    text-align: center;
}

.description h2 {
    margin: 0 0 1rem 0;
    font-size: 2rem;
}

.description p {
    color: var(--muted);
    line-height: 1.6;
}

.pricing {
    padding: 2rem;
    background: #f8fafb;
    border-top: 1px solid var(--border);
}

.pricing h3 {
    margin: 0 0 1.5rem 0;
    text-align: center;
    font-family: "Space Grotesk", "Segoe UI", sans-serif;
    font-size: 1.4rem;
}

.payment-warning {
    margin: -0.5rem auto 1.2rem;
    max-width: 520px;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    background: rgba(240, 157, 81, 0.12);
    border: 1px solid rgba(240, 157, 81, 0.45);
    color: #a75b18;
    font-weight: 600;
    text-align: center;
    font-size: 0.95rem;
}

.points-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.points-btn {
    padding: 0.9rem 1rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    font-size: 0.85rem;
}

.points-btn:hover {
    border-color: rgba(11, 110, 107, 0.4);
    box-shadow: var(--shadow-sm);
}

.points-btn.selected {
    background: var(--accent);
    color: white;
    border-color: transparent;
}

.price-display {
    display: block;
    text-align: center;
    font-family: "Space Grotesk", "Segoe UI", sans-serif;
    font-size: 2rem;
    margin: 1.2rem 0 2rem;
    color: var(--ink);
}

.email-section {
    margin: 1rem 0 1.5rem;
    text-align: center;
}

.email-section label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.email-section input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: border-color 0.2s ease;
    max-width: 420px;
    margin: 0 auto;
    background: white;
}

.email-section input:focus {
    outline: none;
    border-color: rgba(11, 110, 107, 0.6);
}

.buy-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    max-width: 520px;
    margin: 0 auto;
}

#buy-paypal,
#buy-litecoin,
#buy-solana {
    padding: 1.05rem 1.2rem;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    color: white;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    letter-spacing: 0.2px;
}

#buy-paypal {
    background: linear-gradient(120deg, #0070ba 0%, #1546a0 100%);
}

#buy-litecoin {
    background: linear-gradient(120deg, #3a4b5c 0%, #1e2a34 100%);
}

#buy-solana {
    background: linear-gradient(120deg, #7f5cff 0%, #2dd4bf 100%);
}

#buy-paypal:hover,
#buy-litecoin:hover,
#buy-solana:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.pricing::before {
    content: "";
    display: block;
    width: 60px;
    height: 3px;
    margin: 0 auto 1.2rem;
    background: linear-gradient(120deg, #0b6e6b, #f09d51);
    border-radius: 999px;
}

form {
    max-width: 520px;
    margin: 2rem auto;
    background: var(--surface);
    padding: 2.2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

form h2 {
    margin-bottom: 1.5rem;
}

input,
select,
button[type="submit"] {
    width: 100%;
    padding: 0.85rem 1rem;
    margin: 0.5rem 0 1rem 0;
    border-radius: 10px;
    border: 1px solid var(--border);
    font-family: "Work Sans", "Segoe UI", sans-serif;
}

input:focus,
select:focus {
    outline: none;
    border-color: rgba(11, 110, 107, 0.6);
}

button[type="submit"] {
    background: linear-gradient(120deg, var(--accent) 0%, var(--accent-strong) 100%);
    color: white;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
    background: var(--surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

th,
td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background: #0b6e6b;
    color: white;
    font-weight: 600;
}

tr:hover {
    background: #f4f7f8;
}

footer {
    text-align: center;
    padding: 2.5rem 1.5rem 3rem;
    color: var(--muted);
    background: rgba(246, 241, 234, 0.92);
    backdrop-filter: blur(14px);
    border-top: 1px solid rgba(28, 35, 43, 0.12);
    font-size: 0.95rem;
    letter-spacing: 0.4px;
}

.success-message {
    text-align: center;
    max-width: 600px;
    margin: 4rem auto;
    padding: 2rem;
    background: var(--surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.success-message h2 {
    color: #1f8f4a;
    margin-bottom: 1rem;
}

.success-message p {
    color: var(--muted);
    margin: 0.8rem 0;
}

.out-of-stock {
    text-align: center;
    padding: 2rem;
    background: #f8fafb;
    border-radius: var(--radius-md);
    margin: 2rem auto;
    max-width: 600px;
    border: 1px solid var(--border);
}

.out-of-stock h2 {
    color: #c8372d;
    margin-bottom: 0.8rem;
}

.out-of-stock p {
    color: var(--muted);
}

.error-page {
    max-width: 800px;
    margin: 2.5rem auto 4rem;
    padding: 2.5rem;
    text-align: center;
}

.error-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
}

.error-code {
    font-family: "Space Grotesk", "Segoe UI", sans-serif;
    font-size: 4rem;
    letter-spacing: 6px;
    color: var(--ink);
    margin-bottom: 0.5rem;
}

.error-actions {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
}

@media (max-width: 900px) {
    header {
        padding: 0.8rem 1.2rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.6rem;
    }

    nav {
        width: 100%;
        justify-content: flex-start;
        gap: 0.8rem;
    }

    .hero {
        padding: calc(3rem + var(--header-h)) 1.5rem 3rem;
    }

    .hero-content h2 {
        font-size: 2.5rem;
    }
}

@media (max-width: 700px) {
    :root {
        --header-h: 86px;
    }

    header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .nav-toggle {
        display: inline-flex;
    }

    nav {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
        padding: 0.6rem 0 0.2rem;
        border-top: 1px solid rgba(28, 35, 43, 0.12);
        margin-top: 0.6rem;
    }

    .nav-toggle-input:checked ~ nav {
        display: flex;
    }

    nav a {
        width: 100%;
        padding: 0.55rem 0;
        font-size: 0.95rem;
    }

    .hero {
        flex-direction: column;
        text-align: center;
    }

    .hero-image img {
        width: 100%;
    }

    main {
        padding: 2rem 1.5rem;
    }

    .buy-buttons {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    :root {
        --header-h: 96px;
    }

    header {
        padding: 0.6rem 1rem;
    }

    nav {
        gap: 0.6rem;
    }

    .hero-content h2 {
        font-size: 2.1rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    h2 {
        font-size: 2rem;
    }

    main {
        margin: 2rem 1rem 3rem;
        padding: 1.6rem;
    }

    .category-card {
        padding: 1.6rem;
        min-height: 200px;
    }

    .product img {
        height: 260px;
    }

    .description,
    .pricing {
        padding: 1.6rem;
    }

    form {
        padding: 1.6rem;
    }

    table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    th,
    td {
        white-space: nowrap;
        padding: 0.8rem;
    }

    footer {
        padding: 2rem 1rem 2.5rem;
    }
}

@media (max-width: 480px) {
    :root {
        --header-h: 104px;
    }

    .hero {
        padding: calc(2.4rem + var(--header-h)) 1.2rem 2.4rem;
        gap: 2rem;
    }

    .hero-content h2 {
        font-size: 1.9rem;
    }

    .points-container {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .email-section input {
        max-width: 100%;
    }
}