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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, -sans-serif;
    background: #05070B;
    color: #F5F5F5;
    line-height: 1.6;
}

a {
    color: #1FD461;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(5, 7, 11, 0.96);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 14px;
    background: radial-gradient(circle at 30% 20%, #1FD461, #05070B);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.brand-mark img {
    width: 30px;
    height: 30px;
    display: block;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.brand-name {
    font-size: 15px;
    font-weight: 600;
}

.brand-domain {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

.main-nav {
    display: flex;
    gap: 18px;
    font-size: 14px;
}

.main-nav a {
    position: relative;
    padding-bottom: 4px;
    color: rgba(255, 255, 255, 0.76);
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: #1FD461;
    transition: width 0.2s ease-out;
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.hero {
    padding: 72px 0 56px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 52px;
    align-items: center;
}

.hero-copy h1 {
    font-size: clamp(32px, 4vw, 40px);
    margin: 0 0 8px;
}

.hero-tagline {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.78);
    margin: 0 0 18px;
}

.hero-body {
    max-width: 520px;
    margin-bottom: 24px;
    color: rgba(255, 255, 255, 0.78);
}

.hero-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.pill {
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid rgba(31, 212, 97, 0.4);
    background: radial-gradient(circle at 0 0, rgba(31, 212, 97, 0.12), transparent);
    font-size: 13px;
}

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

.device-frame {
    width: 100%;
    max-width: 340px;
    border-radius: 28px;
    padding: 16px 16px 20px;
    background: radial-gradient(circle at 10% 0%, #101622, #05070B);
    border: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow:
        0 18px 40px rgba(0, 0, 0, 0.8),
        0 0 0 1px rgba(255, 255, 255, 0.02);
}

.device-header {
    display: flex;
    gap: 6px;
    margin-bottom: 16px;
}

.device-header .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.16);
}

.device-body h2 {
    font-size: 16px;
    margin: 0 0 10px;
}

.snapshot-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.snapshot-list li {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 12px;
    background: rgba(5, 7, 11, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.snapshot-list .label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

.snapshot-list .value {
    font-size: 13px;
    font-weight: 500;
}

.features {
    padding: 12px 0 56px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.feature-card {
    padding: 18px 18px 20px;
    border-radius: 18px;
    background: radial-gradient(circle at 10% 0%, rgba(31, 212, 97, 0.18), #05070B);
    border: 1px solid rgba(31, 212, 97, 0.25);
}

.feature-card h3 {
    margin: 0 0 8px;
    font-size: 16px;
}

.feature-card p {
    margin: 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.privacy {
    padding: 56px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background: radial-gradient(circle at 0 0, rgba(31, 212, 97, 0.06), #05070B);
}

.privacy h2 {
    margin-top: 0;
    font-size: 26px;
    margin-bottom: 6px;
}

.privacy h3 {
    margin-top: 28px;
    margin-bottom: 8px;
    font-size: 18px;
}

.privacy h4 {
    margin-top: 18px;
    margin-bottom: 6px;
    font-size: 15px;
}

.privacy p {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 14px;
    color: rgba(245, 245, 245, 0.88);
}

.privacy ul {
    padding-left: 20px;
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 14px;
    color: rgba(245, 245, 245, 0.88);
}

.effective-date {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.contact {
    padding: 56px 0 64px;
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: flex-start;
}

.contact p {
    font-size: 14px;
    color: rgba(245, 245, 245, 0.86);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 18px 18px 20px;
    border-radius: 18px;
    background: #05070B;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.8);
}

.contact-form label {
    font-size: 13px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 9px 10px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(4, 5, 8, 0.9);
    color: #F5F5F5;
    font-family: inherit;
    font-size: 14px;
    outline: none;
    transition: border-color 0.15s ease-out, box-shadow 0.15s ease-out, background 0.15s ease-out;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: #1FD461;
    box-shadow: 0 0 0 1px rgba(31, 212, 97, 0.4);
    background: rgba(4, 5, 8, 1);
}

.btn-primary {
    margin-top: 4px;
    padding: 10px 14px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.01em;
    background: linear-gradient(135deg, #1FD461, #24E98A);
    color: #05070B;
    box-shadow: 0 10px 24px rgba(31, 212, 97, 0.45);
    transition: transform 0.12s ease-out, box-shadow 0.12s ease-out, filter 0.12s ease-out;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(31, 212, 97, 0.6);
    filter: brightness(1.04);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 8px 18px rgba(31, 212, 97, 0.4);
}

.form-status {
    min-height: 16px;
    font-size: 12px;
    color: rgba(245, 245, 245, 0.86);
}

.site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 14px 0 18px;
    background: #05070B;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-size: 13px;
    color: rgba(245, 245, 245, 0.76);
}

.footer-inner a {
    color: rgba(245, 245, 245, 0.9);
}

/* Responsive adjustments */
@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 32px;
    }

    .hero {
        padding-top: 52px;
    }

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

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

@media (max-width: 700px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .main-nav {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .site-header {
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }
}

@media (max-width: 480px) {
    .device-frame {
        max-width: 100%;
    }

    .contact-form {
        padding: 14px 14px 16px;
    }
}