:root {
    --bg: #000000;
    --accents-1: #0a0a0a;
    --accents-2: #1a1a1a;
    --accents-3: #333333;
    --accents-4: #444444;
    --accents-5: #666666;
    --accents-6: #888888;
    --foreground: #ffffff;
    --primary: #0070f3;
    --secondary: #7b61ff;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;
}

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

html {
    background: var(--bg);
    color: var(--foreground);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    scroll-behavior: smooth;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px !important;
}

/* Header */
header {
    height: 64px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--accents-2);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 100%;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--accents-6);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--foreground);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
}

.logo-img,
.cta-logo img,
.footer-left img {
    width: 50px;
    height: 50px;
    border-radius: 6px;
    object-fit: contain;
}

.badge-pro {
    background: var(--accents-2);
    color: var(--accents-6);
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--accents-3);
    font-weight: 500;
}

.nav-links a {
    color: var(--accents-6);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--foreground);
}

.github-btn {
    background: #000;
    border: 1px solid var(--accents-3);
    color: var(--foreground);
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s;
}

.github-btn:hover {
    background: var(--accents-1);
}

/* Hero */
.hero {
    padding-top: 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.hero-right {
    position: sticky;
    top: 80px;
}

.hero-badge {
    background: rgba(123, 97, 255, 0.1);
    color: var(--secondary);
    border: 1px solid rgba(123, 97, 255, 0.2);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    display: inline-block;
}

h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 20px;
}

.gradient-text {
    background: var(--secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    color: var(--accents-6);
    font-size: 17px;
    line-height: 1.6;
    margin-bottom: 32px;
}

.cta-group {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.btn-primary {
    background: #6366f1;
    color: white;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 700;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
    transition: all 0.2s ease-in-out;
}

.btn-primary:hover {
    background: #4f46e5;
    box-shadow: 0 6px 24px rgba(99, 102, 241, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: #000;
    border: 1px solid var(--accents-3);
    color: white;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 700;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero-shortcut-card {
    background: var(--accents-1);
    border: 1px solid var(--accents-2);
    padding: 20px;
    border-radius: 12px;
    max-width: 380px;
}

.card-keys {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.key {
    background: var(--accents-2);
    border: 1px solid var(--accents-3);
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 700;
    color: var(--foreground);
    font-family: monospace;
}

.card-title {
    font-size: 15px;
    font-weight: 700;
    margin-left: auto;
    color: var(--secondary);
}

.hero-shortcut-card p {
    font-size: 14px;
    color: var(--accents-5);
    margin-bottom: 0;
}

/* Hero Image */
.hero-img-wrap {
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--accents-2);
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(123, 97, 255, 0.08);
    transition: box-shadow 0.3s;
}

.hero-img-wrap:hover {
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(123, 97, 255, 0.2);
}

.hero-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Sections */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-title h2 span {
    color: var(--secondary);
}

.section-title p {
    color: var(--accents-6);
    font-size: 16px;
}

/* Features */
.features {
    padding-top: 100px;
    padding-bottom: 100px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-card {
    background: #000;
    border: 1px solid var(--accents-2);
    padding: 28px 24px;
    border-radius: 16px;
    transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
    border-color: var(--accents-4);
    transform: translateY(-4px);
}

.feature-card .icon {
    width: 32px;
    height: 32px;
    color: var(--secondary);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--accents-5);
    font-size: 14px;
    line-height: 1.6;
}

/* Installation */
.installation {
    padding-top: 100px;
    padding-bottom: 100px;
}

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

.step-card {
    background: var(--accents-1);
    border: 1px solid var(--accents-2);
    padding: 32px 24px;
    border-radius: 16px;
    flex: 1;
    min-height: 280px;
    text-align: center;
    transition: transform 0.2s, border-color 0.2s;
}

.step-card:hover {
    transform: translateY(-4px);
    border-color: var(--accents-4);
}

.step-num {
    font-size: 20px;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 20px;
}

.step-card .icon {
    width: 32px;
    height: 32px;
    color: var(--accents-6);
    margin-bottom: 20px;
    margin-left: auto;
    margin-right: auto;
}

.step-card h3 {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 12px;
}

.step-card p {
    font-size: 14px;
    color: var(--accents-5);
    margin-bottom: 24px;
}

.code-box {
    background: #000;
    border: 1px solid var(--accents-3);
    padding: 12px 16px;
    border-radius: 8px;
    font-family: monospace;
    font-size: 11px;
    color: var(--accents-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.copy-btn {
    background: transparent;
    border: none;
    color: var(--accents-5);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: color 0.2s, background 0.2s;
}

.copy-btn:hover {
    color: var(--foreground);
    background: var(--accents-2);
}

.toggle-mock {
    background: #000;
    border: 1px solid var(--accents-3);
    padding: 12px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
}

.toggle-btn {
    width: 32px;
    height: 18px;
    background: #333;
    border-radius: 100px;
    position: relative;
}

.toggle-btn.on {
    background: var(--secondary);
}

.toggle-btn.on::after {
    content: '';
    width: 14px;
    height: 14px;
    background: #fff;
    border-radius: 50%;
    position: absolute;
    right: 2px;
    top: 2px;
}

.load-btn-mock {
    background: var(--accents-2);
    padding: 12px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 700;
}

.arrow {
    color: var(--accents-3);
    font-size: 32px;
}

/* Shortcuts */
.shortcuts {
    padding-top: 100px;
    padding-bottom: 100px;
}

.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.shortcut-card {
    background: #000;
    border: 1px solid var(--accents-2);
    padding: 32px;
    border-radius: 16px;
    text-align: center;
    transition: transform 0.2s, border-color 0.2s;
}

.shortcut-card:hover {
    transform: translateY(-4px);
    border-color: var(--accents-4);
}

.key-group {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.shortcut-card h3 {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 12px;
}



.shortcut-card p {
    font-size: 14px;
    color: var(--accents-5);
}

/* Footer */
footer {
    border-top: 1px solid var(--accents-2);
}

.footer-short {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--accents-5);
    font-size: 14px;
    padding: 20px 0 !important;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    color: var(--foreground);
}

.footer-left .logo-img {
    width: 45px;
    height: 45px;
}

.footer-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-link {
    color: var(--accents-6);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--foreground);
}

.footer-sep {
    color: var(--accents-3);
}

/* Legal pages (Privacy, Terms, etc.) */
.legal {
    max-width: 820px;
    padding-top: 60px !important;
    padding-bottom: 80px !important;
    line-height: 1.7;
    color: var(--accents-6);
}

.legal-header {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--accents-2);
}

.legal h1 {
    font-size: 40px;
    font-weight: 700;
    color: var(--foreground);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.legal-meta {
    color: var(--accents-5);
    font-size: 14px;
}

.legal-intro {
    font-size: 17px;
    color: var(--accents-6);
    margin-bottom: 40px;
}

.legal h2 {
    font-size: 22px;
    font-weight: 600;
    color: var(--foreground);
    margin-top: 40px;
    margin-bottom: 12px;
    letter-spacing: -0.2px;
}

.legal h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--foreground);
    margin-top: 20px;
    margin-bottom: 6px;
    font-family: ui-monospace, Menlo, monospace;
}

.legal p {
    font-size: 15px;
    margin-bottom: 14px;
}

.legal ul {
    list-style: none;
    padding: 0;
    margin: 0 0 14px 0;
}

.legal ul li {
    font-size: 15px;
    padding: 6px 0 6px 20px;
    position: relative;
}

.legal ul li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--secondary);
}

.legal ol.steps-list {
    list-style: none;
    counter-reset: step;
    padding: 0;
    margin: 0 0 14px 0;
}

.legal ol.steps-list li {
    counter-increment: step;
    font-size: 15px;
    padding: 6px 0 6px 32px;
    position: relative;
}

.legal ol.steps-list li::before {
    content: counter(step, decimal-leading-zero);
    position: absolute;
    left: 0;
    top: 6px;
    color: var(--secondary);
    font-weight: 600;
    font-family: ui-monospace, Menlo, monospace;
    font-size: 13px;
}

.legal .contact-list li {
    color: var(--foreground);
}

.legal .contact-list li strong {
    color: var(--accents-6);
    font-weight: 500;
    margin-right: 6px;
}

.legal-link {
    color: var(--secondary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s, color 0.15s;
    word-break: break-all;
}

.legal-link:hover {
    color: var(--foreground);
    border-bottom-color: var(--secondary);
}

.legal .logo {
    cursor: pointer;
}

/* ─── Responsive: Tablet (≤1024px) ─────────────────────────────────────────── */
@media (max-width: 1024px) {
    .container {
        padding: 28px !important;
    }

    /* Hero */
    .hero {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
        padding: 60px 0;
    }

    .hero-right {
        position: static;
    }

    .hero-badge,
    .hero-shortcut-card {
        margin-left: auto;
        margin-right: auto;
    }

    .cta-group {
        justify-content: center;
        flex-wrap: wrap;
    }

    h1 {
        font-size: 44px;
    }

    /* Features: 2 columns */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Shortcuts: 2 columns */
    .shortcuts-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Installation steps: 2-column grid */
    .steps-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        align-items: start;
    }

    .step-card {
        min-height: auto;
    }

    .arrow {
        display: none;
    }

    /* Hero image – center on tablet */
    .hero-img-wrap {
        max-width: 560px;
        margin: 0 auto;
    }

    /* Section titles */
    .section-title h2 {
        font-size: 32px;
    }

    /* Sections – tablet padding */
    .features,
    .installation,
    .shortcuts {
        padding-top: 70px;
        padding-bottom: 70px;
    }

    /* Footer */
    .footer-short {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

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

    /* Legal pages */
    .legal {
        padding-top: 40px !important;
        padding-bottom: 60px !important;
    }

    .legal h1 {
        font-size: 32px;
    }

    .legal h2 {
        font-size: 19px;
    }
}

/* ─── Responsive: Mobile (≤768px) ──────────────────────────────────────────── */
@media (max-width: 768px) {
    .container {
        padding: 20px !important;
    }

    /* Header */
    header {
        height: auto;
        /* padding: 12px 0; */
    }

    .header-right {
        gap: 16px;
    }

    .github-btn {
        padding: 8px 14px;
        font-size: 13px;
    }

    .nav-link {
        display: none;
        /* hide nav links on mobile, keep only the CTA */
    }

    /* Hero */
    .hero {
        padding: 48px 0;
        gap: 32px;
    }

    h1 {
        font-size: 34px;
        letter-spacing: -0.03em;
    }

    .hero p {
        font-size: 15px;
    }

    .cta-group {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 340px;
        justify-content: center;
        padding: 14px 20px;
    }

    .hero-shortcut-card {
        max-width: 100%;
        width: 100%;
    }

    /* Hero image – full width on mobile */
    .hero-img-wrap {
        max-width: 100%;
    }

    /* Features: 2 columns on mobile */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .features,
    .installation,
    .shortcuts {
        padding-top: 56px;
        padding-bottom: 56px;
    }

    /* Section titles */
    .section-title {
        margin-bottom: 40px;
    }

    .section-title h2 {
        font-size: 28px;
        margin-bottom: 12px;
    }

    .section-title p {
        font-size: 14px;
    }

    /* Installation step cards */
    .steps-grid {
        gap: 16px;
    }

    .step-card {
        padding: 24px 20px;
    }

    .step-card h3 {
        font-size: 16px;
    }

    .code-box {
        font-size: 12px;
        overflow-x: auto;
    }

    /* Shortcuts: 2 columns on mobile */
    .shortcuts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .shortcut-card {
        padding: 24px 20px;
    }



    .footer-short {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

/* ─── Responsive: Small Mobile (≤425px) ────────────────────────────────────── */
@media (max-width: 425px) {
    .container {
        padding: 16px !important;
    }

    .features,
    .installation,
    .shortcuts {
        padding-top: 44px;
        padding-bottom: 44px;
    }

    h1 {
        font-size: 28px;
    }

    .hero-badge {
        font-size: 11px;
        padding: 5px 12px;
    }

    .logo {
        font-size: 16px;
    }

    /* All grids to 1 column on small mobile */
    .features-grid,
    .steps-grid,
    .shortcuts-grid {
        grid-template-columns: 1fr !important;
    }

    .logo-img,
    .cta-logo img,
    .footer-left img {
        width: 38px;
        height: 38px;
    }

    .section-title h2 {
        font-size: 24px;
    }

    .feature-card {
        padding: 22px 18px;
    }

    .feature-card h3 {
        font-size: 16px;
    }

    .key {
        font-size: 11px;
        padding: 5px 10px;
    }

    .step-card {
        padding: 20px 16px;
    }

    .shortcut-card {
        padding: 20px 16px;
    }

    .shortcut-card h3 {
        font-size: 16px;
    }
}