:root {
    --bg: #f3f5f9;
    --bg-gradient: linear-gradient(180deg, #f9fbff 0%, #eef2f8 100%);
    --card: #ffffff;
    --text: #14171f;
    --muted: #64748b;
    --accent: #2563eb;
    --accent-dark: #1d4ed8;
    --shadow: rgba(15, 23, 42, 0.12);
    --radius: 18px;
    --font: "Inter", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

body {
    font-family: var(--font);
    line-height: 1.6;
    color: var(--text);
    background: var(--bg-gradient);
    min-height: 100vh;
}

.page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 32px 64px;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    margin-bottom: 72px;
}

.brand {
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
    color: var(--text);
}

.site-nav {
    display: flex;
    gap: 20px;
}

.site-nav a {
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--muted);
    transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus {
    color: var(--accent);
}

.hero {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 56px;
    align-items: center;
    background: rgba(255, 255, 255, 0.75);
    padding: 56px 56px 64px;
    border-radius: var(--radius);
    box-shadow: 0 30px 70px -40px var(--shadow);
    backdrop-filter: blur(20px);
}

.hero__content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.hero h1 {
    font-size: clamp(2.8rem, 3.2vw, 3.4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
}

.tagline {
    font-size: 1.1rem;
    color: #1f2937;
    max-width: 28ch;
}

.cta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn.disabled {
    background: rgba(148, 163, 184, 0.3);
    color: var(--muted);
    box-shadow: none;
    pointer-events: none;
    cursor: default;
}

.btn.primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 20px 40px -20px rgba(37, 99, 235, 0.6);
}

.btn.primary:hover,
.btn.primary:focus {
    background: var(--accent-dark);
    transform: translateY(-1px);
}

.btn.ghost {
    background: transparent;
    border-color: rgba(148, 163, 184, 0.4);
    color: var(--text);
}

.btn.ghost:hover,
.btn.ghost:focus {
    border-color: rgba(37, 99, 235, 0.4);
    color: var(--accent);
}

.hero__visual {
    display: grid;
    justify-items: center;
    position: relative;
}

.device-frame {
    position: relative;
    width: min(320px, 100%);
    border-radius: 34px;
    overflow: hidden;
}

.device-frame::after {
    content: none;
}

.device-frame img {
    width: 100%;
    display: block;
    border-radius: inherit;
    object-fit: cover;
}

.device-shadow {
    position: absolute;
    bottom: -36px;
    width: 70%;
    height: 55px;
    background: radial-gradient(ellipse at center, rgba(15, 23, 42, 0.28), transparent 70%);
    filter: blur(8px);
    opacity: 0.5;
    z-index: -1;
}

.about {
    margin-top: 80px;
    display: grid;
    gap: 24px;
    text-align: left;
}

.about h2 {
    font-size: clamp(2rem, 2.6vw, 2.6rem);
    letter-spacing: -0.02em;
}

.about p {
    color: var(--muted);
    max-width: 60ch;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.feature {
    padding: 24px;
    background: rgba(255, 255, 255, 0.88);
    border-radius: 16px;
    box-shadow: 0 14px 35px -24px var(--shadow);
    display: grid;
    gap: 12px;
}

.feature h3 {
    font-size: 1.05rem;
    font-weight: 700;
}

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

.cta-panel {
    margin-top: 96px;
    padding: 40px 48px;
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: 0 30px 70px -50px var(--shadow);
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    align-items: center;
    justify-content: space-between;
}

.cta-panel h2 {
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.cta-panel p {
    color: var(--muted);
    max-width: 44ch;
}
.site-footer {
    margin-top: 120px;
    padding: 40px 56px;
    border-radius: 28px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.85), rgba(249, 250, 255, 0.6));
    box-shadow: 0 40px 90px -65px var(--shadow);
    display: grid;
    gap: 28px;
    justify-items: center;
}

.site-footer__brand {
    display: grid;
    gap: 8px;
    text-align: center;
}

.site-footer__logo {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.site-footer__tagline {
    color: var(--muted);
    font-size: 0.95rem;
}

.site-footer__bottom {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 28px;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    color: var(--muted);
    font-size: 0.9rem;
}

.site-footer__links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.site-footer a {
    color: var(--text);
    font-weight: 500;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.site-footer a:hover,
.site-footer a:focus {
    color: var(--accent);
    border-color: rgba(37, 99, 235, 0.4);
}


@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 48px;
    }

    .hero__content {
        align-items: center;
    }

    .pill {
        align-self: center;
    }

    .tagline {
        max-width: none;
    }

    .feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .page {
        padding: 32px 20px 56px;
    }

    .site-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .site-nav {
        flex-wrap: wrap;
        gap: 14px;
    }

    .hero {
        padding: 40px 24px;
    }

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

    .cta-panel {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
    }

    .site-footer {
        padding: 32px 24px 44px;
    }

    .site-footer__bottom {
        flex-direction: column;
        align-items: center;
        gap: 12px;
        text-align: center;
    }

    .site-footer__links {
        justify-content: center;
    }
}