:root {
    --bg-color: #0f0f0f;
    --bg-secondary: #161616;
    --text-color: #e0e0e0;
    --text-muted: #888;
    --accent-color: #00d4ff;
    --accent-hover: #00a3cc;
    --card-bg: rgba(255, 255, 255, 0.04);
    --card-border: rgba(255, 255, 255, 0.08);
    --font-main: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 18px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(15, 15, 15, 0.85);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--card-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-color);
    letter-spacing: 1px;
}

nav ul {
    display: flex;
    gap: 28px;
}

nav ul li a {
    font-size: 0.95rem;
    color: #ccc;
}

nav ul li a:hover {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
    background: radial-gradient(circle at center, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 800;
    background: linear-gradient(45deg, #fff, #aaa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    max-width: 900px;
}

.hero p {
    font-size: 1.15rem;
    max-width: 700px;
    margin-bottom: 40px;
    color: #aaa;
}

.hero-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    padding: 14px 32px;
    background-color: var(--accent-color);
    color: #000;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.2s ease;
    display: inline-block;
}

.btn:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}

.btn-outline:hover {
    background: var(--accent-color);
    color: #000;
}

/* Section Common */
section {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 800;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 50px;
    font-size: 1.05rem;
}

/* About */
.about-content {
    display: flex;
    gap: 40px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.about-text {
    flex: 1;
    min-width: 300px;
    font-size: 1.05rem;
    color: #ccc;
    max-width: 900px;
}

.tech-stack {
    display: flex;
    gap: 12px;
    margin-top: 25px;
    flex-wrap: wrap;
}

.tech-item {
    padding: 8px 16px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--accent-color);
}

/* Services / Packages */
.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.packages-grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    max-width: 1000px;
}

.package-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 35px 28px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease, border-color 0.3s ease;
    position: relative;
}

.package-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
}

.package-card.featured {
    border-color: var(--accent-color);
    background: linear-gradient(180deg, rgba(0, 212, 255, 0.05) 0%, var(--card-bg) 100%);
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    color: #000;
    padding: 5px 14px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.package-icon {
    font-size: 2.2rem;
    color: var(--accent-color);
    margin-bottom: 18px;
}

.package-title {
    font-size: 1.25rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.package-price {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 5px;
    color: #fff;
    line-height: 1;
}

.token-label {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 4px;
}

.package-amount {
    font-size: 1.1rem;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 25px;
}

.package-features {
    text-align: left;
    margin-bottom: 28px;
    color: #ccc;
    font-size: 0.95rem;
}

.package-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
}

.package-features li::before {
    content: '✓';
    color: var(--accent-color);
    margin-right: 10px;
    font-weight: bold;
    flex-shrink: 0;
}

.shopier-btn {
    display: inline-block;
    width: 100%;
    padding: 14px;
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.shopier-btn:hover {
    background: var(--accent-color);
    color: #000;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 50px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.stat-card {
    text-align: center;
    padding: 25px 15px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    transition: border-color 0.3s ease;
}

.stat-card:hover {
    border-color: var(--accent-color);
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 10px;
    line-height: 1;
}

.stat-number i {
    font-size: 2rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Expertise */
.expertise {
    background: var(--bg-secondary);
    max-width: 100%;
    padding: 80px 20px;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    max-width: 1100px;
    margin: 0 auto;
}

.expertise-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 30px 25px;
    border-radius: 12px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.expertise-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.expertise-icon {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.expertise-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #fff;
}

.expertise-card p {
    color: #bbb;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Testimonials */
.testimonials {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    max-width: 1100px;
    margin: 0 auto;
}

.testimonial-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 30px;
    border-radius: 12px;
    transition: border-color 0.3s ease;
}

.testimonial-card:hover {
    border-color: var(--accent-color);
}

.testimonial-stars {
    color: #ffc107;
    font-size: 1.1rem;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.testimonial-text {
    color: #ccc;
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.author-name {
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
}

.author-role {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* FAQ */
.faq {
    max-width: 850px;
    margin: 0 auto;
    padding: 80px 20px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(0, 212, 255, 0.3);
}

.faq-item[open] {
    border-color: var(--accent-color);
}

.faq-item summary {
    padding: 18px 22px;
    cursor: pointer;
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    list-style: none;
    position: relative;
    padding-right: 50px;
    user-select: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent-color);
    font-size: 1.4rem;
    font-weight: 400;
    transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
}

.faq-item p {
    padding: 0 22px 20px;
    color: #bbb;
    line-height: 1.7;
    font-size: 0.95rem;
}

/* How it works */
.how-it-works {
    background: var(--bg-secondary);
    max-width: 100%;
    padding: 80px 20px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    max-width: 1100px;
    margin: 0 auto;
}

.step-card {
    text-align: center;
    padding: 30px 20px;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    color: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 800;
    margin: 0 auto 18px;
}

.step-card h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
    color: #fff;
}

.step-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Contact */
.contact {
    text-align: center;
}

.contact-box {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 50px;
    border-radius: 15px;
    display: inline-block;
    max-width: 500px;
}

.contact-link {
    display: block;
    font-size: 1.1rem;
    margin: 15px 0;
    color: #fff;
    padding: 10px;
    border-radius: 8px;
    transition: background 0.2s ease;
}

.contact-link:hover {
    background: rgba(255, 255, 255, 0.04);
}

.contact-link i {
    margin-right: 10px;
    color: var(--accent-color);
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px;
    border-top: 1px solid var(--card-border);
    margin-top: 50px;
    color: #777;
    font-size: 0.9rem;
}

.legal-notice {
    margin-top: 10px;
    color: #555;
    font-size: 0.8rem;
}

.legal-notice a {
    color: #888;
    text-decoration: underline;
    margin: 0 4px;
}

.legal-notice a:hover {
    color: var(--accent-color);
}

/* Page (terms, privacy, panel) */
.page-content {
    max-width: 900px;
    margin: 100px auto 60px;
    padding: 60px 30px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 15px;
}

.page-content h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
    color: #fff;
}

.page-content .updated {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 30px;
}

.page-content h2 {
    font-size: 1.4rem;
    margin: 30px 0 12px;
    color: var(--accent-color);
}

.page-content p,
.page-content li {
    color: #ccc;
    margin-bottom: 12px;
    line-height: 1.7;
}

.page-content ul {
    list-style: disc;
    padding-left: 25px;
    margin-bottom: 15px;
}

.page-content a {
    color: var(--accent-color);
    text-decoration: underline;
}

/* Panel */
.panel-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px 40px;
}

.panel-box {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    padding: 45px 40px;
    max-width: 420px;
    width: 100%;
}

.panel-box h1 {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 8px;
    color: #fff;
}

.panel-box .subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 30px;
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #ccc;
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 12px 14px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: #fff;
    font-family: inherit;
    font-size: 0.95rem;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.panel-submit {
    width: 100%;
    padding: 14px;
    background: var(--accent-color);
    color: #000;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    margin-top: 10px;
    transition: background 0.2s ease;
}

.panel-submit:hover {
    background: var(--accent-hover);
}

.panel-info {
    display: flex;
    gap: 12px;
    padding: 16px;
    background: rgba(0, 212, 255, 0.06);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 10px;
    margin-bottom: 25px;
    color: #ccc;
    font-size: 0.88rem;
    line-height: 1.5;
}

.panel-info i {
    color: var(--accent-color);
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.panel-info strong {
    color: #fff;
}

.panel-info a {
    color: var(--accent-color);
    text-decoration: underline;
}

.panel-notice {
    margin-top: 20px;
    padding: 15px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    color: #ccc;
    font-size: 0.85rem;
    text-align: center;
    display: none;
}

.panel-notice.show {
    display: block;
}

.panel-notice i {
    color: var(--accent-color);
    margin-right: 6px;
}

.panel-back {
    display: block;
    text-align: center;
    margin-top: 20px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.panel-back:hover {
    color: var(--accent-color);
}

/* Responsive */
@media (max-width: 900px) {
    nav ul {
        gap: 18px;
    }
    nav ul li a {
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    header {
        padding: 15px 20px;
        flex-direction: column;
        gap: 12px;
    }

    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

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

    .section-title {
        font-size: 1.8rem;
    }

    .package-card {
        padding: 28px 20px;
    }

    .page-content {
        padding: 40px 20px;
        margin-top: 140px;
    }
}