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

:root {
    --bg: #0a0a0a;
    --surface: #111111;
    --surface2: #1a1a1a;
    --border: #2a2a2a;
    --accent: #c8f060;
    --accent-dim: #a8d040;
    --text: #f0f0f0;
    --text-muted: #666;
    --text-dim: #999;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Syne', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Grid background */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
            linear-gradient(var(--border) 1px, transparent 1px),
            linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.3;
    pointer-events: none;
    z-index: 0;
}

/* Glow blob */
body::after {
    content: '';
    position: fixed;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(200,240,96,0.06) 0%, transparent 70%);
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 0;
}

/* NAVBAR */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2.5rem;
    height: 60px;
    background: rgba(10,10,10,0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.navbar .logo {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}
.navbar .logo span { color: var(--accent); }

.nav-links {
    display: flex;
    gap: 2rem;
}
.nav-links a {
    font-family: 'DM Mono', monospace;
    font-size: 12px;
    color: var(--text-muted);
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }

/* HERO */
.container {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
    padding: 140px 2rem 60px;
    animation: fadeUp 0.6s ease both;
}

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

.badge {
    display: inline-block;
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid rgba(200,240,96,0.3);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 2rem;
    background: rgba(200,240,96,0.05);
}

h1 {
    font-size: clamp(3rem, 10vw, 5.5rem);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
}
h1 span { color: var(--accent); }

.subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 2.5rem;
    max-width: 380px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent);
    color: #0a0a0a;
    border: none;
    padding: 16px 32px;
    font-family: 'Syne', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(200,240,96,0.25); }
.btn:active { transform: translateY(0); }
.btn.loading { pointer-events: none; opacity: 0.7; }
.btn svg { transition: transform 0.2s; }
.btn:hover svg { transform: rotate(15deg); }

.install-btn {
    display: block;
    margin: 1rem auto 0;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid rgba(200,240,96,0.28);
    background: rgba(200,240,96,0.06);
    color: var(--text);
    font-family: 'DM Mono', monospace;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.install-btn:hover {
    transform: translateY(-2px);
    border-color: rgba(200,240,96,0.55);
    background: rgba(200,240,96,0.11);
}

.install-note {
    margin-top: 0.9rem;
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.5;
}

.spinner {
    width: 18px; height: 18px;
    border: 2px solid rgba(0,0,0,0.2);
    border-top-color: #000;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    display: none;
}
.btn.loading .spinner { display: block; }
.btn.loading .btn-icon { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}
.feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    font-family: 'DM Mono', monospace;
}
.feature-dot {
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

/* STATS BAR */
.stats-bar {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 2rem 0;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 0 3rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.02em;
    font-family: 'Syne', sans-serif;
}

.stat-label {
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* SECTIONS */
.section {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 5rem 2rem;
}

.section-label {
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 3rem;
    color: var(--text);
}

/* HOW IT WORKS */
.steps {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 180px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: border-color 0.2s, transform 0.2s;
}
.step:hover { border-color: rgba(200,240,96,0.3); transform: translateY(-4px); }

.step-num {
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.step-icon {
    width: 44px; height: 44px;
    background: rgba(200,240,96,0.08);
    border: 1px solid rgba(200,240,96,0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin-bottom: 1rem;
    margin-left: auto;
    margin-right: auto;
}

.step-icon svg {
    display: block;
    flex: 0 0 auto;
}

.step-icon-generate svg {
    transform: translateY(0);
}

.step-icon-use svg {
    transform: translate(0.5px, 0.5px);
}

.step-icon-receive svg {
    transform: translate(-0.5px, 0.5px);
}

.step-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.step-desc {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

.step-arrow {
    font-size: 1.5rem;
    color: var(--border);
    flex-shrink: 0;
}

/* FAQ */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}
.faq-item:last-child { border-bottom: none; }

.faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    background: var(--surface);
    transition: background 0.2s;
    user-select: none;
}
.faq-q:hover { background: var(--surface2); }

.faq-icon {
    font-size: 1.3rem;
    color: var(--accent);
    transition: transform 0.3s;
    flex-shrink: 0;
}

.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-a {
    max-height: 0;
    overflow: hidden;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    background: var(--surface);
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 1.5rem;
}

.faq-item.open .faq-a {
    max-height: 200px;
    padding: 0 1.5rem 1.25rem;
}

/* RATINGS */
.rating-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    margin-bottom: 2.5rem;
}

.rating-prompt {
    font-size: 14px;
    color: var(--text-muted);
    font-family: 'DM Mono', monospace;
    letter-spacing: 0.05em;
    margin-bottom: 1.25rem;
}

.stars {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 0.75rem;
}

.star {
    font-size: 2rem;
    color: var(--border);
    cursor: pointer;
    transition: color 0.15s, transform 0.15s;
}
.star:hover, .star.active { color: var(--accent); transform: scale(1.15); }

.rating-label {
    font-family: 'DM Mono', monospace;
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    min-height: 20px;
}

.feedback-form {
    display: none;
    flex-direction: column;
    gap: 12px;
    max-width: 480px;
    margin: 0 auto;
    animation: fadeUp 0.3s ease both;
}

textarea {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: 'Syne', sans-serif;
    font-size: 14px;
    padding: 12px 16px;
    resize: none;
    outline: none;
    transition: border-color 0.2s;
    line-height: 1.6;
}
textarea:focus { border-color: rgba(200,240,96,0.4); }
textarea::placeholder { color: var(--text-muted); }

.submit-btn {
    background: var(--accent);
    color: #0a0a0a;
    border: none;
    padding: 12px 24px;
    font-family: 'Syne', sans-serif;
    font-size: 14px;
    font-weight: 700;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}
.submit-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(200,240,96,0.2); }

.feedback-thanks {
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--accent);
    font-family: 'DM Mono', monospace;
    font-size: 13px;
    animation: fadeUp 0.3s ease both;
}

/* TESTIMONIALS */
.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.testimonial {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: border-color 0.2s;
}
.testimonial:hover { border-color: rgba(200,240,96,0.2); }

.t-stars {
    color: var(--accent);
    font-size: 14px;
    margin-bottom: 0.75rem;
    letter-spacing: 2px;
}

.t-text {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.6;
    margin-bottom: 0.75rem;
    font-style: italic;
}

.t-author {
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

/* FOOTER */
.footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 3rem 2rem;
    border-top: 1px solid var(--border);
}

.footer-logo {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}
.footer-logo span { color: var(--accent); }

.footer-text {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.footer-links {
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.footer-dot { color: var(--border); }

/* RESPONSIVE */
@media (max-width: 768px) {
    .container {
        padding: 120px 1.5rem 48px;
    }

    .section {
        padding: 3.5rem 1.5rem;
    }

    .section-title {
        margin-bottom: 2rem;
    }

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

    .rating-card {
        padding: 1.75rem 1.25rem;
    }
}

@media (max-width: 600px) {
    .steps { flex-direction: column; }
    .step-arrow { transform: rotate(90deg); }
    .stat-divider { display: none; }
    .stat { padding: 1rem 2rem; }
    .navbar { padding: 0 1.25rem; }
    .nav-links { gap: 1rem; }

    .navbar {
        height: 52px;
    }

    .nav-links a {
        font-size: 11px;
    }

    .container {
        padding: 100px 1.25rem 40px;
    }

    .badge {
        font-size: 10px;
        padding: 3px 10px;
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: 14px 24px;
    }

    .features {
        gap: 1rem;
        margin-top: 2rem;
    }

    .feature {
        font-size: 12px;
    }

    .stats-bar {
        padding: 1.5rem 0;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .section {
        padding: 3rem 1.25rem;
    }

    .step {
        padding: 1.5rem 1.25rem;
    }

    .faq-q {
        font-size: 14px;
        padding: 1rem 1.25rem;
    }

    .faq-a {
        padding: 0 1.25rem;
    }

    .faq-item.open .faq-a {
        padding: 0 1.25rem 1rem;
    }

    .rating-card {
        padding: 1.5rem 1rem;
    }

    .star {
        font-size: 1.75rem;
    }

    .footer {
        padding: 2rem 1.25rem;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
    }
}