* {
    box-sizing: border-box;
}

:root {
    --bg: #0b0f17;
    --bg-soft: #111827;
    --card: #151c2b;
    --card-light: #ffffff;
    --text: #f8fafc;
    --muted: #aab4c4;
    --dark-text: #111827;
    --dark-muted: #4b5563;
    --border: rgba(255, 255, 255, 0.12);
    --blue: #4f8cff;
    --blue-dark: #2563eb;
    --green: #22c55e;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #ffffff;
    color: var(--dark-text);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    background: rgba(11, 15, 23, 0.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.nav {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 800;
    font-size: 18px;
}

.logo-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--blue), #7c3aed);
    display: grid;
    place-items: center;
    font-weight: 900;
}

.logo-image {
    width: 46px;
    height: 46px;
    border-radius: 10px;
    object-fit: cover;
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
    color: var(--muted);
    font-size: 14px;
}

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

.nav-button {
    padding: 10px 16px;
    border-radius: 999px;
    background: var(--blue);
    color: white !important;
    font-weight: 700;
}

.hero {
    background: radial-gradient(circle at top left, rgba(79, 140, 255, 0.32), transparent 34%), radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.18), transparent 28%), var(--bg);
    color: var(--text);
    padding: 92px 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: center;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--blue);
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 13px;
}

.hero h1 {
    margin: 0;
    font-size: clamp(40px, 6vw, 68px);
    line-height: 1.02;
    letter-spacing: -0.05em;
}

.hero-text {
    margin: 24px 0 0;
    color: var(--muted);
    font-size: 19px;
    max-width: 680px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 20px;
    border-radius: 12px;
    font-weight: 800;
    border: 1px solid transparent;
}

    .button.primary {
        background: var(--blue);
        color: white;
    }

        .button.primary:hover {
            background: var(--blue-dark);
        }

    .button.secondary {
        background: rgba(255, 255, 255, 0.08);
        color: var(--text);
        border-color: var(--border);
    }

.section .button.secondary {
    background: #f3f4f6;
    color: var(--dark-text);
    border-color: #d1d5db;
}

.button.full {
    width: 100%;
}

.small-note {
    margin-top: 18px;
    color: var(--muted);
    font-size: 14px;
}

.hero-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 22px;
    box-shadow: var(--shadow);
}

.app-preview {
    background: #f8fafc;
    color: var(--dark-text);
    border-radius: 22px;
    overflow: hidden;
}

.preview-top {
    height: 44px;
    background: #e5e7eb;
    display: flex;
    align-items: center;
    padding: 0 14px;
}

.window-controls {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 14px;
    color: #374151;
    font-size: 15px;
    line-height: 1;
}

    .window-controls span {
        width: auto;
        height: auto;
        border-radius: 0;
        background: transparent;
        display: inline-block;
    }

.preview-body {
    padding: 24px;
}

    .preview-body h3 {
        margin: 0 0 8px;
        font-size: 24px;
    }

    .preview-body p {
        margin: 0 0 22px;
        color: var(--dark-muted);
    }

.preview-row {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid #e5e7eb;
    padding: 14px 0;
    gap: 20px;
}

    .preview-row strong {
        color: var(--green);
    }

.section {
    padding: 84px 0;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 34px;
}

    .section-heading h2,
    .trust-grid h2,
    .cta-box h2 {
        margin: 0;
        font-size: clamp(32px, 4vw, 48px);
        line-height: 1.1;
        letter-spacing: -0.04em;
    }

    .section-heading p {
        color: var(--dark-muted);
        font-size: 18px;
    }

.app-card {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 28px;
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 28px;
    padding: 32px;
}

.app-card-content h2 {
    margin: 0 0 14px;
    font-size: 38px;
    line-height: 1.1;
    letter-spacing: -0.04em;
}

.app-card-content p {
    color: var(--dark-muted);
    font-size: 17px;
}

.feature-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 28px;
}

    .feature-list div {
        background: white;
        border: 1px solid #e5e7eb;
        padding: 18px;
        border-radius: 18px;
    }

    .feature-list strong,
    .feature-list span {
        display: block;
    }

    .feature-list span {
        color: var(--dark-muted);
        margin-top: 6px;
        font-size: 14px;
    }

.pricing-card {
    background: var(--bg-soft);
    color: var(--text);
    padding: 26px;
    border-radius: 24px;
    align-self: start;
}

    .pricing-card h3 {
        margin: 0;
        font-size: 52px;
        letter-spacing: -0.06em;
    }

    .pricing-card p {
        color: var(--muted);
    }

    .pricing-card ul {
        padding-left: 20px;
        color: var(--muted);
    }

    .pricing-card li {
        margin: 10px 0;
    }

.dark-section {
    background: var(--bg);
    color: var(--text);
}

    .dark-section .section-heading p {
        color: var(--muted);
    }

.audience-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

    .audience-grid div {
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: 16px;
        padding: 18px;
        color: var(--text);
        font-weight: 700;
    }

.trust-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 1fr;
    gap: 18px;
}

.trust-card {
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 20px;
    padding: 22px;
}

    .trust-card h3 {
        margin: 0 0 8px;
    }

    .trust-card p {
        color: var(--dark-muted);
    }

.cta-section {
    padding: 50px 0 90px;
}

.cta-box {
    background: radial-gradient(circle at top left, rgba(79, 140, 255, 0.28), transparent 30%), var(--bg);
    color: var(--text);
    border-radius: 30px;
    padding: 48px;
    text-align: center;
}

    .cta-box p {
        max-width: 680px;
        margin: 16px auto 0;
        color: var(--muted);
        font-size: 18px;
    }

.site-footer {
    background: var(--bg);
    color: var(--muted);
    padding: 34px 0;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

    .footer-grid strong {
        color: var(--text);
    }

.footer-links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

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

.page-hero {
    background: var(--bg);
    color: var(--text);
    padding: 70px 0;
}

    .page-hero h1 {
        margin: 0;
        font-size: 48px;
        letter-spacing: -0.04em;
    }

.page-content {
    padding: 60px 0;
    max-width: 820px;
}

    .page-content h2 {
        margin-top: 34px;
    }

    .page-content p,
    .page-content li {
        color: var(--dark-muted);
    }

@media (max-width: 900px) {
    .hero-grid,
    .app-card,
    .trust-grid {
        grid-template-columns: 1fr;
    }

    .audience-grid,
    .feature-list {
        grid-template-columns: 1fr 1fr;
    }

    .nav {
        align-items: flex-start;
        flex-direction: column;
        padding: 18px 0;
    }

    .nav-links {
        flex-wrap: wrap;
    }
}

@media (max-width: 560px) {
    .container {
        width: min(100% - 28px, 1120px);
    }

    .hero {
        padding: 62px 0;
    }

    .audience-grid,
    .feature-list {
        grid-template-columns: 1fr;
    }

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

    .cta-box {
        padding: 32px 22px;
    }

    .coupon-box {
        background: rgba(79, 140, 255, 0.12);
        border: 1px solid rgba(79, 140, 255, 0.35);
        border-radius: 16px;
        padding: 14px;
        margin: 18px 0;
    }

        .coupon-box strong,
        .coupon-box span {
            display: block;
        }

        .coupon-box span {
            color: var(--muted);
            font-size: 14px;
            margin-top: 4px;
        }

    .requirements-section {
        background: white;
    }

    .requirements-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }

    .requirement-card {
        background: #f8fafc;
        border: 1px solid #e5e7eb;
        border-radius: 18px;
        padding: 20px;
    }

        .requirement-card strong,
        .requirement-card span {
            display: block;
        }

        .requirement-card span {
            color: var(--dark-muted);
            margin-top: 8px;
        }

    @media (max-width: 900px) {
        .requirements-grid {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (max-width: 560px) {
        .requirements-grid {
            grid-template-columns: 1fr;
        }
    }

    .requirements-section {
        background: white;
    }

    .requirements-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }

    .requirement-card {
        background: #f8fafc;
        border: 1px solid #e5e7eb;
        border-radius: 18px;
        padding: 20px;
    }

        .requirement-card strong,
        .requirement-card span {
            display: block;
        }

        .requirement-card span {
            color: var(--dark-muted);
            margin-top: 8px;
        }

    @media (max-width: 900px) {
        .requirements-grid {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (max-width: 560px) {
        .requirements-grid {
            grid-template-columns: 1fr;
        }
    }

    .sample-section {
        background: #ffffff;
    }

    .sample-box {
        background: #f8fafc;
        border: 1px solid #e5e7eb;
        border-radius: 28px;
        padding: 34px;
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 24px;
        align-items: center;
    }

        .sample-box h2 {
            margin: 0;
            font-size: clamp(30px, 4vw, 44px);
            line-height: 1.1;
            letter-spacing: -0.04em;
        }

        .sample-box p {
            color: var(--dark-muted);
            font-size: 17px;
        }

    .sample-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        justify-content: flex-end;
    }

    @media (max-width: 800px) {
        .sample-box {
            grid-template-columns: 1fr;
        }

        .sample-actions {
            justify-content: flex-start;
        }
    }

    .support-section {
        background: #ffffff;
    }

    .support-box {
        display: grid;
        grid-template-columns: 1fr 360px;
        gap: 24px;
        align-items: center;
        background: #f8fafc;
        border: 1px solid #e5e7eb;
        border-radius: 28px;
        padding: 34px;
    }

        .support-box h2 {
            margin: 0;
            font-size: clamp(30px, 4vw, 44px);
            line-height: 1.1;
            letter-spacing: -0.04em;
        }

        .support-box p {
            color: var(--dark-muted);
            font-size: 17px;
        }

    .support-card {
        background: white;
        border: 1px solid #e5e7eb;
        border-radius: 22px;
        padding: 22px;
    }

        .support-card strong,
        .support-card a,
        .support-card span {
            display: block;
        }

        .support-card a {
            color: var(--blue-dark);
            font-weight: 800;
            margin-top: 8px;
        }

        .support-card span {
            color: var(--dark-muted);
            margin-top: 10px;
            font-size: 14px;
        }

    @media (max-width: 800px) {
        .support-box {
            grid-template-columns: 1fr;
        }
    }

    .cta-discount {
        color: var(--text) !important;
        font-weight: 700;
        margin-top: 18px !important;
    }
}