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

/* Pixel-art font import */
@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

:root {
    --bg-primary: #1a1a2e;
    --bg-secondary: #0f0f23;
    --bg-card: #1e2a45;
    --bg-card-hover: #243352;
    --accent: #4466ff;
    --accent-hover: #5577ff;
    --accent-glow: rgba(68, 102, 255, 0.4);
    --text-primary: #e8e8f0;
    --text-secondary: #a0a0b8;
    --text-muted: #6a6a80;
    --success: #44cc88;
    --warning: #ffaa33;
    --danger: #ff4466;
    --gold: #ffd700;
    --border: #2a2a4a;
    --border-pixel: #3a3a5e;
    --radius: 0; /* Pixel-art: sharp corners */
    --max-width: 1100px;
    --font-pixel: 'Press Start 2P', monospace;
    --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
    text-shadow: 0 0 8px var(--accent-glow);
}

img {
    max-width: 100%;
    height: auto;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

/* ===== Layout ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Pixel Border Utility ===== */
.pixel-border {
    border: 4px solid var(--border-pixel);
    box-shadow:
        inset -4px -4px 0 0 rgba(0,0,0,0.3),
        inset 4px 4px 0 0 rgba(255,255,255,0.05),
        0 0 0 2px rgba(0,0,0,0.5);
}

/* ===== Navigation ===== */
.nav {
    background: var(--bg-secondary);
    border-bottom: 4px solid var(--accent);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    font-family: var(--font-pixel);
    font-size: 0.85rem;
    color: var(--text-primary);
    letter-spacing: 1px;
    text-shadow: 2px 2px 0 rgba(0,0,0,0.5);
}

.nav-logo span {
    color: var(--gold);
}

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

.nav-links a {
    color: var(--text-secondary);
    font-family: var(--font-pixel);
    font-size: 0.55rem;
    letter-spacing: 0.5px;
    transition: color 0.2s, text-shadow 0.2s;
    padding: 4px 0;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--gold);
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

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

/* ===== Hero ===== */
.hero {
    text-align: center;
    padding: 60px 24px 80px;
    background:
        linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(68, 102, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 215, 0, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.hero > * {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-family: var(--font-pixel);
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 20px;
    letter-spacing: 2px;
    text-shadow: 3px 3px 0 rgba(0,0,0,0.6), 0 0 20px var(--accent-glow);
    line-height: 1.4;
}

.hero h1 span {
    color: var(--gold);
    text-shadow: 3px 3px 0 rgba(0,0,0,0.6), 0 0 30px rgba(255, 215, 0, 0.3);
}

.hero .tagline {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 20px;
    line-height: 1.7;
}

/* Hero sprites decoration */
.hero-sprites {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 36px;
}

.hero-sprite {
    width: 80px;
    height: 80px;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.5));
    animation: float 3s ease-in-out infinite;
}

.hero-sprite:nth-child(2) { animation-delay: -1s; }
.hero-sprite:nth-child(3) { animation-delay: -2s; }

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-family: var(--font-pixel);
    font-size: 0.65rem;
    letter-spacing: 1px;
    border: 4px solid;
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.2s;
    text-transform: uppercase;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: #2244cc;
    box-shadow:
        0 4px 0 #2244cc,
        0 6px 20px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow:
        0 6px 0 #2244cc,
        0 8px 28px var(--accent-glow);
}

.btn-gold {
    background: var(--gold);
    color: #1a1a2e;
    border-color: #c4a000;
    box-shadow:
        0 4px 0 #c4a000,
        0 6px 20px rgba(255, 215, 0, 0.3);
}

.btn-gold:hover {
    background: #ffe44d;
    color: #1a1a2e;
    transform: translateY(-2px);
    box-shadow:
        0 6px 0 #c4a000,
        0 8px 28px rgba(255, 215, 0, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 4px 0 rgba(68, 102, 255, 0.3);
}

.btn-outline:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 0 rgba(68, 102, 255, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Features Grid ===== */
.section {
    padding: 80px 24px;
}

.section-alt {
    background: var(--bg-secondary);
}

.section-title {
    text-align: center;
    font-family: var(--font-pixel);
    font-size: 1.1rem;
    margin-bottom: 12px;
    text-shadow: 2px 2px 0 rgba(0,0,0,0.4);
    letter-spacing: 1px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 48px;
    font-size: 1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-card);
    border: 4px solid var(--border-pixel);
    padding: 32px 24px;
    text-align: center;
    transition: transform 0.2s, border-color 0.2s;
    box-shadow:
        inset -4px -4px 0 0 rgba(0,0,0,0.2),
        inset 4px 4px 0 0 rgba(255,255,255,0.03);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow:
        inset -4px -4px 0 0 rgba(0,0,0,0.2),
        inset 4px 4px 0 0 rgba(255,255,255,0.03),
        0 8px 20px var(--accent-glow);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    display: block;
    object-fit: contain;
}

.feature-icon-text {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: block;
}

.feature-card h3 {
    font-family: var(--font-pixel);
    font-size: 0.7rem;
    margin-bottom: 12px;
    color: var(--gold);
    letter-spacing: 0.5px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== Pricing ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 4px solid var(--border-pixel);
    padding: 40px 32px;
    text-align: center;
    position: relative;
    box-shadow:
        inset -4px -4px 0 0 rgba(0,0,0,0.2),
        inset 4px 4px 0 0 rgba(255,255,255,0.03);
}

.pricing-card.featured {
    border-color: var(--gold);
    box-shadow:
        inset -4px -4px 0 0 rgba(0,0,0,0.2),
        inset 4px 4px 0 0 rgba(255,255,255,0.03),
        0 0 40px rgba(255, 215, 0, 0.15);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gold);
    color: #1a1a2e;
    padding: 4px 16px;
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border: 2px solid #c4a000;
}

.pricing-card h3 {
    font-family: var(--font-pixel);
    font-size: 0.85rem;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.pricing-price {
    font-family: var(--font-pixel);
    font-size: 1.5rem;
    margin: 16px 0 4px;
    color: var(--gold);
}

.pricing-price span {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.pricing-period {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features li::before {
    content: "\2713";
    color: var(--success);
    font-weight: 700;
    flex-shrink: 0;
}

.pricing-features li.disabled::before {
    content: "\2717";
    color: var(--text-muted);
}

.pricing-features li.disabled {
    color: var(--text-muted);
}

.pricing-savings {
    background: rgba(68, 204, 136, 0.1);
    color: var(--success);
    padding: 6px 14px;
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    display: inline-block;
    margin-bottom: 16px;
    border: 2px solid rgba(68, 204, 136, 0.3);
}

/* ===== Comparison Table ===== */
.comparison-table {
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 14px 20px;
    text-align: left;
    border-bottom: 2px solid var(--border);
}

.comparison-table th {
    color: var(--text-muted);
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.comparison-table td:nth-child(2),
.comparison-table td:nth-child(3),
.comparison-table th:nth-child(2),
.comparison-table th:nth-child(3) {
    text-align: center;
}

.comparison-table .check {
    color: var(--success);
    font-weight: 700;
}

.comparison-table .cross {
    color: var(--text-muted);
}

/* ===== Page Content (Terms, Privacy, About) ===== */
.page-header {
    text-align: center;
    padding: 60px 24px 40px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.page-header h1 {
    font-family: var(--font-pixel);
    font-size: 1.3rem;
    letter-spacing: 1px;
    text-shadow: 2px 2px 0 rgba(0,0,0,0.4);
}

.page-header p {
    color: var(--text-secondary);
    margin-top: 12px;
}

.page-content {
    max-width: 760px;
    margin: 0 auto;
    padding: 48px 24px 80px;
}

.page-content h2 {
    font-family: var(--font-pixel);
    font-size: 0.75rem;
    margin: 36px 0 16px;
    color: var(--gold);
    letter-spacing: 0.5px;
}

.page-content h3 {
    font-size: 1.1rem;
    margin: 24px 0 8px;
    color: var(--text-primary);
}

.page-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.page-content ul,
.page-content ol {
    color: var(--text-secondary);
    margin: 0 0 16px 24px;
}

.page-content li {
    margin-bottom: 6px;
}

/* ===== About Page ===== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin: 32px 0;
}

.about-card {
    background: var(--bg-card);
    border: 4px solid var(--border-pixel);
    padding: 24px;
    box-shadow:
        inset -4px -4px 0 0 rgba(0,0,0,0.2),
        inset 4px 4px 0 0 rgba(255,255,255,0.03);
}

.about-card h3 {
    font-family: var(--font-pixel);
    font-size: 0.6rem;
    margin-top: 0;
    margin-bottom: 12px;
    color: var(--gold);
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-secondary);
    border-top: 4px solid var(--accent);
    padding: 40px 24px;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--gold);
}

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

/* ===== CTA Section ===== */
.cta-section {
    text-align: center;
    padding: 80px 24px;
    background: var(--bg-secondary);
    position: relative;
}

.cta-section h2 {
    font-family: var(--font-pixel);
    font-size: 1.1rem;
    margin-bottom: 16px;
    text-shadow: 2px 2px 0 rgba(0,0,0,0.4);
    letter-spacing: 1px;
}

.cta-section p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 1.1rem;
}

/* Decorative pixel divider */
.pixel-divider {
    text-align: center;
    padding: 8px 0;
    color: var(--border-pixel);
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    letter-spacing: 8px;
    opacity: 0.4;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-bottom: 4px solid var(--accent);
        flex-direction: column;
        padding: 16px 24px;
        gap: 12px;
    }

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

    .nav-toggle {
        display: block;
    }

    .hero h1 {
        font-size: 1.2rem;
    }

    .hero .tagline {
        font-size: 0.95rem;
    }

    .hero-sprites {
        gap: 20px;
    }

    .hero-sprite {
        width: 56px;
        height: 56px;
    }

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

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

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

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

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

    .section-title {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 40px 16px 60px;
    }

    .hero h1 {
        font-size: 1rem;
    }

    .section {
        padding: 48px 16px;
    }

    .btn {
        padding: 12px 20px;
        font-size: 0.55rem;
    }

    .nav-logo {
        font-size: 0.7rem;
    }
}