/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-card: #111111;
    --bg-card-hover: #1a1a1a;
    --accent: #ffffff;
    --accent-light: #e0e0e0;
    --accent-dim: #888888;
    --text-primary: #ffffff;
    --text-secondary: #999999;
    --text-muted: #666666;
    --border: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.15);
    --border-hover: rgba(255, 255, 255, 0.25);
    --success: #ffffff;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-card: 0 4px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 60px rgba(255, 255, 255, 0.03);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

::selection {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition), opacity var(--transition);
}

a:hover {
    opacity: 0.7;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Header / Nav ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.85);
    box-shadow: 0 1px 0 var(--border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo:hover {
    opacity: 1;
}

.logo-img {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    object-fit: cover;
    background: #ffffff;
    padding: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
}

.nav-links a {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    transition: color var(--transition);
    letter-spacing: 0.01em;
}

.nav-links a:hover {
    color: var(--text-primary);
    opacity: 1;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text-primary);
    transition: width var(--transition);
}

.nav-links a {
    position: relative;
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
}

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 140px 24px 100px;
    position: relative;
    overflow: hidden;
}

#heroCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 780px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 40px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero-badge .dot {
    width: 6px;
    height: 6px;
    background: var(--text-primary);
    border-radius: 50%;
    animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero h1 {
    font-size: clamp(3rem, 7vw, 4.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 28px;
    color: var(--text-primary);
}

.hero p {
    font-size: clamp(1.05rem, 2vw, 1.2rem);
    color: var(--text-muted);
    max-width: 720px;
    margin: 0 auto 48px;
    line-height: 1.75;
    font-weight: 400;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 40px;
    background: var(--text-primary);
    color: #000;
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    border-radius: 100px;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
    letter-spacing: -0.01em;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px rgba(255, 255, 255, 0.1);
    color: #000;
    opacity: 1;
    background: var(--accent-light);
}

.btn-primary svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

/* ===== Newsletter ===== */
.newsletter-block {
    max-width: 520px;
    margin: 72px auto 0;
    text-align: center;
}

.newsletter-block h3 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.newsletter-block > p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.newsletter-form .hidden {
    display: none;
}

.newsletter-input-group {
    display: flex;
    gap: 10px;
}

.newsletter-input-group input[type="email"] {
    flex: 1;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--transition);
}

.newsletter-input-group input[type="email"]:focus {
    border-color: var(--border-hover);
}

.newsletter-input-group input[type="email"]::placeholder {
    color: var(--text-muted);
}

.btn-subscribe {
    padding: 14px 28px;
    background: var(--text-primary);
    color: #000;
    font-size: 0.85rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    white-space: nowrap;
    transition: transform var(--transition), background var(--transition);
    letter-spacing: -0.01em;
}

.btn-subscribe:hover {
    transform: translateY(-1px);
    background: var(--accent-light);
}

.newsletter-disclaimer {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 14px;
}

.newsletter-disclaimer a {
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    transition: color var(--transition), border-color var(--transition);
}

.newsletter-disclaimer a:hover {
    color: var(--text-primary);
    border-color: var(--text-primary);
    opacity: 1;
}

@media (max-width: 480px) {
    .newsletter-input-group {
        flex-direction: column;
    }

    .btn-subscribe {
        width: 100%;
    }
}

/* ===== Section Common ===== */
.section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===== Products ===== */
.products-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 56px;
    max-width: 720px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    transition: border-color var(--transition-slow);
}

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

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.product-app-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    margin-bottom: 28px;
    object-fit: cover;
    box-shadow: 0 2px 16px rgba(255, 255, 255, 0.06);
}

.product-card h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.product-card .product-tagline {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 24px;
}

.product-card .product-description {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.85;
    margin-bottom: 32px;
}

.product-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 36px;
}

.product-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.product-feature .check {
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.product-feature .check svg {
    width: 10px;
    height: 10px;
    color: var(--text-primary);
}

.product-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-light);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 32px;
    letter-spacing: 0.02em;
}

.product-badge svg {
    color: var(--text-primary);
}

.product-links {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.product-link-website {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--text-primary);
    color: #000;
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 100px;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
    letter-spacing: -0.01em;
}

.product-link-website:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 24px rgba(255, 255, 255, 0.1);
    color: #000;
    opacity: 1;
    background: var(--accent-light);
}

.store-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.8rem;
    font-weight: 500;
    transition: all var(--transition);
}

.store-badge:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-hover);
    color: var(--text-primary);
    opacity: 1;
}

.store-badge svg {
    width: 20px;
    height: 20px;
}

.store-badge .store-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.store-badge .store-text small {
    font-size: 0.6rem;
    color: var(--text-muted);
    font-weight: 400;
}

.store-badge .store-text span {
    font-size: 0.85rem;
    font-weight: 600;
}

/* ===== About ===== */
.about-section {
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 28px;
}

.about-content p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.85;
    margin-bottom: 20px;
}

.about-content .legal-name {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 22px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 12px;
}

.about-content .legal-name svg {
    color: var(--text-muted);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    text-align: center;
    transition: border-color var(--transition-slow), transform var(--transition);
}

.stat-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
}

.stat-card .stat-icon svg {
    stroke: var(--text-secondary) !important;
}

.stat-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.stat-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ===== Contact ===== */
.contact-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 40px;
    line-height: 1.75;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-item .icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item .icon svg {
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}

.contact-item .contact-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.contact-item .contact-value {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
}

.contact-item .contact-value a {
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 1px;
    transition: border-color var(--transition);
}

.contact-item .contact-value a:hover {
    border-color: var(--text-primary);
    opacity: 1;
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 44px;
}

.contact-form h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 28px;
    letter-spacing: -0.01em;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--border-hover);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.04);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    background: var(--text-primary);
    color: #000;
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
    letter-spacing: -0.01em;
}

.btn-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 24px rgba(255, 255, 255, 0.08);
    background: var(--accent-light);
}

/* ===== Footer ===== */
.footer {
    padding: 48px 0;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.footer-left .footer-company {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.footer-left .footer-copyright {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer-left .footer-legal {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-style: italic;
    opacity: 0.7;
}

.footer-links {
    display: flex;
    gap: 28px;
    list-style: none;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--text-primary);
    opacity: 1;
}

/* ===== Privacy Policy Page ===== */
.policy-page {
    padding: 120px 0 80px;
}

.policy-content {
    max-width: 780px;
    margin: 0 auto;
}

.policy-content h1 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
}

.policy-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
}

.policy-content h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-top: 48px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.policy-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 28px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.policy-content p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.85;
    margin-bottom: 16px;
}

.policy-content ul {
    color: var(--text-muted);
    margin-left: 24px;
    margin-bottom: 16px;
}

.policy-content li {
    margin-bottom: 8px;
    line-height: 1.7;
}

.policy-content a {
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
}

.policy-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 32px;
    transition: color var(--transition);
}

.policy-back:hover {
    color: var(--text-primary);
    opacity: 1;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.97);
        backdrop-filter: blur(40px);
        -webkit-backdrop-filter: blur(40px);
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-toggle {
        display: block;
    }

    .hero {
        padding: 120px 20px 80px;
        min-height: auto;
    }

    .product-card {
        padding: 36px 28px;
    }

    .product-features {
        grid-template-columns: 1fr;
    }

    .product-links {
        flex-direction: column;
        align-items: flex-start;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-stats {
        order: -1;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .contact-form {
        padding: 28px 24px;
    }

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

    .footer-links {
        justify-content: center;
    }

    .section {
        padding: 80px 0;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.25rem;
    }

    .btn-primary {
        padding: 14px 28px;
        font-size: 0.9rem;
    }

    .stat-card {
        padding: 24px 16px;
    }
}