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

:root {
    --accent: #1051A9;
    --accent-hover: #0D4490;
    --accent-pressed: #0A3777;
    --accent-light: #E8F0FC;
    --accent-muted: #C5D8F5;
    --text-primary: #1A1D26;
    --text-secondary: #5F6678;
    --text-tertiary: #9198A8;
    --bg: #FFFFFF;
    --bg-secondary: #F8F9FB;
    --bg-pressed: #F0F2F5;
    --border: #E8EBF0;
    --success: #22C55E;
    --picker-bg: #FFFFFF;
    --picker-border: #E8EBF0;
    --picker-shadow: 0 8px 32px rgba(0,0,0,.12);
    --picker-title: #1A1D26;
    --picker-card-bg: #FFFFFF;
    --picker-card-border: #E8EBF0;
    --picker-card-shadow: 0 2px 8px rgba(0,0,0,.06);
    --picker-card-hover-bg: #F8F9FB;
    --picker-card-hover-border: #E8F0FC;
    --picker-card-pressed-bg: #F0F2F5;
    --picker-card-selected-bg: #E8F0FC;
    --picker-card-selected-border: #1051A9;
    --picker-card-name: #5F6678;
    --picker-key-bg: #1051A9;
    --picker-key-color: #FFFFFF;
    --picker-key-badge-color: #9198A8;
    --picker-footer-border: #E8EBF0;
    --picker-footer-text: #9198A8;
    --picker-kbd-bg: #F8F9FB;
    --picker-kbd-border: #E8EBF0;
    --picker-close-bg: transparent;
    --picker-close-color: #9198A8;
    --picker-close-hover-bg: #F8F9FB;
    --picker-close-hover-color: #5F6678;
    --picker-close-pressed-bg: #F0F2F5;
    --radius-lg: 14px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --font: "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, sans-serif;
    --font-mono: "Cascadia Code", "Consolas", monospace;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,.12);
    --shadow-xl: 0 16px 48px rgba(0,0,0,.16);
}

[data-theme="dark"] {
    --accent: #3D7FD9;
    --accent-hover: #2D6BC4;
    --accent-pressed: #1D57AF;
    --accent-light: #1A2D45;
    --accent-muted: #253D5C;
    --text-primary: #E8E9ED;
    --text-secondary: #A8ADB8;
    --text-tertiary: #7A8194;
    --bg: #1A1B1E;
    --bg-secondary: #232428;
    --bg-pressed: #1E1F23;
    --border: #35363C;
    --success: #4ADE80;
    --picker-bg: #1A1B1E;
    --picker-border: #35363C;
    --picker-shadow: 0 8px 32px rgba(0,0,0,.32);
    --picker-title: #E8E9ED;
    --picker-card-bg: #232428;
    --picker-card-border: #35363C;
    --picker-card-shadow: 0 2px 8px rgba(0,0,0,.2);
    --picker-card-hover-bg: #2A2B30;
    --picker-card-hover-border: #1A2D45;
    --picker-card-pressed-bg: #1E1F23;
    --picker-card-selected-bg: #1A2D45;
    --picker-card-selected-border: #3D7FD9;
    --picker-card-name: #9198A8;
    --picker-key-bg: #3D7FD9;
    --picker-key-color: #FFFFFF;
    --picker-key-badge-color: #7A8194;
    --picker-footer-border: #35363C;
    --picker-footer-text: #7A8194;
    --picker-kbd-bg: #232428;
    --picker-kbd-border: #35363C;
    --picker-close-bg: transparent;
    --picker-close-color: #7A8194;
    --picker-close-hover-bg: #2A2B30;
    --picker-close-hover-color: #9198A8;
    --picker-close-pressed-bg: #1E1F23;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.25);
    --shadow-md: 0 4px 16px rgba(0,0,0,.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,.45);
    --shadow-xl: 0 16px 48px rgba(0,0,0,.5);
}

[data-theme="dark"] .feature-card,
[data-theme="dark"] .pricing-card,
[data-theme="dark"] .privacy-card {
    background: var(--bg-secondary);
    border-color: rgba(255,255,255,.06);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    color: var(--text-primary);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255,255,255,.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

[data-theme="dark"] .header {
    background: rgba(26,27,30,.85);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.theme-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all .15s;
}

.theme-toggle:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 18px;
}

.logo-icon {
    display: block;
}

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

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color .15s;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font);
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all .15s;
    border-radius: var(--radius-sm);
    font-size: 14px;
    padding: 10px 20px;
    line-height: 1;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-primary:active {
    background: var(--accent-pressed);
}

.btn-secondary {
    background: var(--bg);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
}

.btn-lg {
    font-size: 15px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
}

.btn-sm {
    font-size: 13px;
    padding: 8px 16px;
}

.hero {
    padding: 140px 0 80px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -.02em;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 36px;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.picker-window {
    background: transparent;
    max-width: 380px;
    width: 100%;
}

.picker-border {
    background: var(--picker-bg);
    border: 1px solid var(--picker-border);
    border-radius: 14px;
    box-shadow: var(--picker-shadow);
    overflow: hidden;
}

.picker-content {
    margin: 20px 24px 16px;
}

.picker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.picker-title {
    font-family: "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
    font-size: 18px;
    font-weight: 600;
    color: var(--picker-title);
}

.picker-close {
    width: 28px;
    height: 28px;
    border-radius: 14px;
    border: none;
    background: var(--picker-close-bg);
    color: var(--picker-close-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .15s;
}

.picker-close:hover {
    background: var(--picker-close-hover-bg);
    color: var(--picker-close-hover-color);
}

.picker-close:active {
    background: var(--picker-close-pressed-bg);
}

.picker-url {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 0;
    margin-bottom: 8px;
    font-family: "Cascadia Code", "Consolas", monospace;
    font-size: 11px;
    color: var(--picker-key-badge-color);
    max-height: 20px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.picker-url svg {
    color: var(--picker-key-badge-color);
}

.picker-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.browser-card {
    display: block;
    position: relative;
    background: var(--picker-card-bg);
    border: 1px solid var(--picker-card-border);
    border-radius: 12px;
    padding: 10px;
    margin: 6px;
    cursor: pointer;
    transition: all .15s cubic-bezier(.25,.46,.45,.94);
    text-align: center;
    font-family: inherit;
    box-shadow: var(--picker-card-shadow);
    height: 78px;
}

.browser-card:hover {
    background: var(--picker-card-hover-bg);
    border-color: var(--picker-card-hover-border);
    transform: scale(1.02);
}

.browser-card:active {
    background: var(--picker-card-pressed-bg);
    border-color: var(--accent);
    transform: scale(0.97);
}

.browser-card.selected {
    background: var(--picker-card-selected-bg);
    border: 2px solid var(--picker-card-selected-border);
    box-shadow: var(--picker-card-shadow);
}

.browser-card-key {
    position: absolute;
    top: 5px;
    left: 7px;
    background: var(--picker-key-bg);
    color: var(--picker-key-color);
    font-family: "Cascadia Code", "Consolas", monospace;
    font-size: 10px;
    font-weight: 600;
    padding: 1px 5px;
    border-radius: 6px;
    line-height: 1.4;
}

.browser-card-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 9px;
}

.browser-card-icon {
    display: block;
    width: 32px;
    height: 32px;
    border-radius: 6px;
}

.browser-card-name {
    font-family: "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
    font-size: 9px;
    font-weight: 500;
    color: var(--picker-card-name);
    line-height: 1;
}

.picker-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--picker-footer-border);
}

.picker-footer-brand {
    font-family: "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
    font-size: 12px;
    font-weight: 300;
    color: var(--picker-footer-text);
}

.picker-footer-hint {
    font-family: "Cascadia Code", "Consolas", monospace;
    font-size: 11px;
    color: var(--picker-footer-text);
}

.picker-footer-hint kbd {
    background: var(--picker-kbd-bg);
    border: 1px solid var(--picker-kbd-border);
    border-radius: 4px;
    padding: 1px 4px;
    font-family: inherit;
    font-size: inherit;
}

.picker-footer-divider {
    display: inline-block;
    width: 1px;
    height: 10px;
    background: var(--picker-footer-border);
    vertical-align: middle;
}

.features,
.how-it-works,
.pricing {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -.01em;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 16px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    transition: all .2s;
}

.feature-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--accent-muted);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-light);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    color: var(--accent);
}

.feature-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.3;
}

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

.pro-badge {
    display: inline-flex;
    align-items: center;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    background: linear-gradient(135deg, #7c3aed, #4338ca);
    color: #fff;
    padding: 2px 8px;
    border-radius: 100px;
    vertical-align: middle;
    margin-left: 4px;
}

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
}

.step {
    text-align: center;
    max-width: 260px;
    flex-shrink: 0;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin: 0 auto 16px;
}

.step h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.step p {
    color: var(--text-secondary);
    font-size: 14px;
}

.step-connector {
    width: 80px;
    height: 2px;
    background: var(--border);
    margin-top: 24px;
    flex-shrink: 0;
}

.pricing-grid {
    display: flex;
    gap: 24px;
    max-width: 720px;
    margin: 0 auto;
    align-items: stretch;
}

.pricing-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    background: var(--bg);
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
    box-shadow: var(--shadow-sm);
}

.pricing-features {
    flex: 1;
}

.pricing-card .btn {
    margin-top: 28px;
    width: 100%;
}

.pricing-card-featured {
    border-color: var(--accent);
    background: var(--accent-light);
    box-shadow: var(--shadow-md);
    position: relative;
}

.pricing-card-featured::before {
    content: "Recommended";
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    padding: 4px 16px;
    border-radius: 100px;
}

.pricing-tier {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--text-tertiary);
    margin-bottom: 8px;
}

.pricing-price {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 4px;
}

.pricing-trial {
    color: var(--success);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 20px;
}

.pricing-features {
    list-style: none;
    margin: 0 0 28px;
    padding: 0;
}

.pricing-features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: "\2713  ";
    color: var(--success);
    font-weight: 600;
}

.privacy {
    padding: 40px 0 80px;
}

.privacy-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.privacy-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-light);
    border-radius: var(--radius-md);
    color: var(--accent);
    flex-shrink: 0;
}

.privacy-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.privacy-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.footer {
    border-top: 1px solid var(--border);
    padding: 32px 0;
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    transition: color .15s;
}

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

.footer-copy {
    color: var(--text-tertiary);
    font-size: 12px;
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .header-cta {
        font-size: 12px;
        padding: 6px 12px;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

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

    .steps {
        flex-direction: column;
        align-items: center;
    }

    .step-connector {
        width: 2px;
        height: 40px;
    }

    .pricing-grid {
        flex-direction: column;
    }

    .browser-card {
        margin: 4px;
        padding: 6px;
        height: 64px;
    }

    .browser-card-icon {
        width: 24px;
        height: 24px;
    }

    .browser-card-name {
        font-size: 8px;
    }

    .theme-toggle span {
        display: none;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

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