:root {
    --one-blue: #087ff5;
    --one-cyan: #11d9ff;
    --one-deep: #020d1d;
    --one-deeper: #010817;
    --one-panel: rgba(13, 49, 82, 0.72);
    --one-border: rgba(97, 181, 255, 0.22);
    --one-text: #f3f8ff;
    --one-muted: #9bb4cc;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background:
        radial-gradient(circle at 85% 5%, rgba(11, 104, 192, 0.22), transparent 30rem),
        radial-gradient(circle at 10% 40%, rgba(0, 194, 255, 0.08), transparent 25rem),
        var(--one-deep);
    color: var(--one-text);
    font-family: "Inter", sans-serif;
    overflow-x: hidden;
}

h1,
h2,
h3,
.navbar-brand,
.brand-name {
    font-family: "Space Grotesk", sans-serif;
}

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

.oneboard-nav {
    background: rgba(1, 10, 24, 0.78);
    border-bottom: 1px solid rgba(111, 190, 255, 0.12);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.navbar {
    min-height: 76px;
}

.nav-link {
    color: #aac0d6;
    font-size: 0.9rem;
    font-weight: 600;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: #ffffff;
}

.brand-logo,
.download-logo {
    display: block;
    width: 42px;
    height: 42px;
    border-radius: 11px;
    object-fit: contain;
}

.brand-name {
    display: block;
    font-size: 0.98rem;
    line-height: 1;
    letter-spacing: 0.08em;
    font-weight: 700;
}

.brand-subtitle {
    display: block;
    color: #6e9ec4;
    font-size: 0.48rem;
    letter-spacing: 0.16em;
    margin-top: 4px;
}

.oneboard-btn {
    border: 0;
    background: linear-gradient(135deg, #087ff5, #0a58c9);
    box-shadow: 0 10px 30px rgba(0, 119, 255, 0.22);
    font-weight: 700;
}

.oneboard-btn:hover {
    background: linear-gradient(135deg, #1693ff, #0b68e8);
    transform: translateY(-1px);
}

.oneboard-outline-btn {
    border-color: rgba(255, 255, 255, 0.24);
    background: rgba(255, 255, 255, 0.03);
}

.hero-section {
    min-height: 820px;
    display: flex;
    align-items: center;
    position: relative;
    padding: 150px 0 90px;
    background:
        linear-gradient(180deg, rgba(0, 21, 43, 0.65), rgba(2, 13, 29, 0.95)),
        radial-gradient(circle at 80% 40%, rgba(0, 133, 255, 0.2), transparent 35rem);
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(50px);
    pointer-events: none;
}

.hero-glow-one {
    width: 300px;
    height: 300px;
    right: 5%;
    top: 18%;
    background: rgba(0, 176, 255, 0.14);
}

.hero-glow-two {
    width: 180px;
    height: 180px;
    left: 10%;
    bottom: 5%;
    background: rgba(0, 76, 255, 0.1);
}

.eyebrow,
.section-kicker {
    color: var(--one-cyan);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.18em;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 8px 12px;
    border: 1px solid rgba(17, 217, 255, 0.2);
    border-radius: 999px;
    background: rgba(9, 87, 140, 0.16);
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #14e6be;
    box-shadow: 0 0 14px #14e6be;
}

.hero-title {
    margin: 24px 0 20px;
    max-width: 720px;
    font-size: clamp(3.1rem, 7vw, 5.9rem);
    line-height: 0.97;
    letter-spacing: -0.065em;
    font-weight: 700;
}

.hero-title span {
    display: block;
    color: #55cfff;
    background: linear-gradient(90deg, #f6fbff, #5cd7ff 48%, #1486ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-copy {
    max-width: 640px;
    color: #a7bdd2;
    font-size: 1.08rem;
    line-height: 1.8;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 28px;
    color: #7899b4;
    font-size: 0.78rem;
    font-weight: 600;
}

.hero-meta i {
    color: var(--one-cyan);
    margin-right: 5px;
}

.hero-device {
    position: relative;
    border: 1px solid rgba(113, 197, 255, 0.28);
    border-radius: 20px;
    padding: 10px;
    background: rgba(4, 23, 45, 0.82);
    box-shadow:
        0 40px 100px rgba(0, 0, 0, 0.45),
        0 0 80px rgba(0, 126, 255, 0.12);
    transform: perspective(1600px) rotateY(-4deg) rotateX(2deg);
}

.device-topbar {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 34px;
    padding: 0 8px 8px;
    color: #6685a2;
    font-size: 0.58rem;
    letter-spacing: 0.1em;
    font-weight: 700;
}

.window-dots {
    display: flex;
    gap: 5px;
}

.window-dots span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #35506b;
}

.device-label {
    flex: 1;
}

.native-pill {
    padding: 5px 8px;
    border: 1px solid rgba(117, 187, 255, 0.16);
    border-radius: 999px;
}

.hero-device img {
    display: block;
    width: 100%;
    border-radius: 12px;
}

.metrics-strip {
    position: relative;
    z-index: 2;
    margin-top: -1px;
    padding: 20px 0;
    border-top: 1px solid rgba(98, 180, 255, 0.1);
    border-bottom: 1px solid rgba(98, 180, 255, 0.1);
    background: rgba(1, 11, 24, 0.65);
}

.metric-card {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 74px;
    padding: 12px 14px;
    border: 1px solid rgba(101, 181, 255, 0.12);
    border-radius: 14px;
    background: rgba(13, 42, 70, 0.4);
}

.metric-icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    color: var(--one-cyan);
    background: rgba(0, 188, 255, 0.09);
}

.metric-card strong {
    display: block;
    font-size: 0.86rem;
}

.metric-card small {
    display: block;
    color: #6f8ea8;
    font-size: 0.68rem;
    margin-top: 3px;
}

.section-space {
    padding: 120px 0;
}

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

.section-heading h2,
.section-title {
    margin: 12px 0 18px;
    font-size: clamp(2.2rem, 4vw, 3.7rem);
    line-height: 1.05;
    letter-spacing: -0.045em;
}

.section-heading p,
.section-copy {
    color: var(--one-muted);
    line-height: 1.8;
}

.feature-card,
.workflow-card {
    height: 100%;
    padding: 30px;
    border: 1px solid var(--one-border);
    border-radius: 20px;
    background:
        linear-gradient(145deg, rgba(23, 67, 106, 0.62), rgba(6, 29, 52, 0.7));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover,
.workflow-card:hover {
    transform: translateY(-6px);
    border-color: rgba(39, 192, 255, 0.42);
    box-shadow: 0 20px 50px rgba(0, 87, 156, 0.12);
}

.feature-icon {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    margin-bottom: 24px;
    border-radius: 15px;
    color: #12d9ff;
    background: rgba(0, 190, 255, 0.1);
    border: 1px solid rgba(0, 190, 255, 0.15);
    font-size: 1.35rem;
}

.feature-card h3,
.workflow-card h3 {
    font-size: 1.18rem;
    margin-bottom: 12px;
}

.feature-card p,
.workflow-card p {
    color: #91acc5;
    font-size: 0.9rem;
    line-height: 1.75;
}

.feature-link {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    margin-top: 10px;
    color: #57cfff;
    font-size: 0.75rem;
    font-weight: 700;
}

.screenshots-section {
    background:
        radial-gradient(circle at 50% 45%, rgba(0, 116, 224, 0.12), transparent 34rem),
        rgba(0, 7, 18, 0.45);
}

.screenshot-stage {
    position: relative;
    min-height: 720px;
}

.screenshot-card {
    position: absolute;
    overflow: hidden;
    border: 1px solid rgba(105, 194, 255, 0.22);
    border-radius: 20px;
    background: #061a30;
    box-shadow: 0 35px 90px rgba(0, 0, 0, 0.45);
}

.screenshot-card img {
    display: block;
    width: 100%;
    height: auto;
}

.screenshot-card-main {
    width: 70%;
    left: 0;
    top: 30px;
    z-index: 3;
}

.screenshot-card-secondary {
    width: 55%;
    right: 0;
    top: 230px;
    z-index: 4;
}

.screenshot-card-tertiary {
    width: 45%;
    right: 8%;
    bottom: 0;
    z-index: 5;
}

.screenshot-caption {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 17px;
    background: rgba(4, 22, 39, 0.96);
}

.screenshot-caption > span {
    color: #14d8ff;
    font-size: 0.7rem;
    font-weight: 800;
}

.screenshot-caption strong,
.screenshot-caption small {
    display: block;
}

.screenshot-caption strong {
    font-size: 0.75rem;
}

.screenshot-caption small {
    margin-top: 2px;
    color: #708da6;
    font-size: 0.64rem;
}

.security-panel {
    padding: 70px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(72, 177, 255, 0.18);
    border-radius: 30px;
    background:
        radial-gradient(circle at 85% 50%, rgba(0, 173, 255, 0.13), transparent 25rem),
        linear-gradient(145deg, rgba(17, 59, 95, 0.72), rgba(3, 21, 40, 0.9));
}

.security-list {
    display: grid;
    gap: 12px;
    margin-top: 28px;
}

.security-list div {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #a9bfd3;
    font-size: 0.88rem;
}

.security-list i {
    color: #16dcbe;
}

.security-visual {
    width: min(420px, 100%);
    aspect-ratio: 1;
    position: relative;
    margin: auto;
    display: grid;
    place-items: center;
}

.security-orbit {
    position: absolute;
    border: 1px solid rgba(29, 204, 255, 0.22);
    border-radius: 50%;
    animation: pulseOrbit 5s ease-in-out infinite;
}

.orbit-one {
    inset: 7%;
}

.orbit-two {
    inset: 22%;
    border-style: dashed;
    animation-delay: -2s;
}

.security-core {
    width: 150px;
    height: 150px;
    display: grid;
    place-items: center;
    align-content: center;
    border-radius: 50%;
    color: #c9f7ff;
    text-align: center;
    background:
        radial-gradient(circle, rgba(16, 178, 255, 0.25), rgba(4, 28, 53, 0.96) 65%);
    border: 1px solid rgba(58, 212, 255, 0.5);
    box-shadow:
        0 0 50px rgba(0, 180, 255, 0.16),
        inset 0 0 40px rgba(0, 153, 255, 0.08);
}

.security-core i {
    color: #19d9ff;
    font-size: 2rem;
    margin-bottom: 8px;
}

.security-core span,
.security-core strong {
    display: block;
}

.security-core span {
    color: #6b9cbb;
    font-size: 0.55rem;
    letter-spacing: 0.18em;
}

.security-core strong {
    margin-top: 3px;
    font-size: 0.68rem;
    letter-spacing: 0.1em;
}

@keyframes pulseOrbit {
    0%, 100% {
        transform: scale(1);
        opacity: 0.55;
    }
    50% {
        transform: scale(1.03);
        opacity: 1;
    }
}

.workflow-number {
    display: block;
    color: #168dff;
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    margin-bottom: 35px;
}

.workflow-card > i {
    display: block;
    color: #14d9ff;
    font-size: 1.6rem;
    margin-bottom: 18px;
}

.download-section {
    position: relative;
    padding: 80px 0 120px;
}

.download-glow {
    position: absolute;
    width: 60vw;
    height: 300px;
    left: 20vw;
    bottom: 40px;
    border-radius: 50%;
    background: rgba(0, 133, 255, 0.13);
    filter: blur(70px);
}

.download-card {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
    padding: 65px;
    border-radius: 30px;
    border: 1px solid rgba(73, 188, 255, 0.3);
    background:
        radial-gradient(circle at 90% 50%, rgba(0, 184, 255, 0.17), transparent 22rem),
        linear-gradient(135deg, #0a3154, #051a31);
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.3);
}

.download-content {
    max-width: 750px;
}

.download-content h2 {
    max-width: 700px;
    margin: 13px 0 15px;
    font-size: clamp(2.3rem, 5vw, 4.4rem);
    line-height: 1;
    letter-spacing: -0.055em;
}

.download-content p {
    max-width: 680px;
    color: #9db5ca;
    line-height: 1.8;
}

.download-buttons {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
    margin-top: 30px;
}

.download-note {
    color: #6f91ab;
    font-size: 0.75rem;
}

.download-note i {
    color: #12d9ff;
    margin-right: 4px;
}

.download-mark {
    flex: 0 0 180px;
    display: grid;
    justify-items: center;
    text-align: center;
}

.download-logo {
    width: 110px;
    height: 110px;
    margin-bottom: 14px;
}

.download-mark span {
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.download-mark small {
    margin-top: 5px;
    color: #5e84a1;
    font-size: 0.48rem;
    letter-spacing: 0.16em;
}

.oneboard-footer {
    padding: 35px 0;
    border-top: 1px solid rgba(98, 180, 255, 0.1);
    background: rgba(0, 7, 17, 0.75);
}

.footer-brand strong,
.footer-brand small {
    display: block;
}

.footer-brand strong {
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.9rem;
    letter-spacing: 0.08em;
}

.footer-brand small {
    color: #55748f;
    font-size: 0.62rem;
    margin-top: 3px;
}

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

.footer-links a {
    color: #7896ae;
    font-size: 0.72rem;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-copy {
    color: #49657d;
    font-size: 0.65rem;
}

@media (max-width: 991.98px) {
    .hero-section {
        min-height: auto;
        padding-top: 130px;
    }

    .hero-device {
        transform: none;
    }

    .screenshot-stage {
        min-height: 0;
        display: grid;
        gap: 22px;
    }

    .screenshot-card,
    .screenshot-card-main,
    .screenshot-card-secondary,
    .screenshot-card-tertiary {
        position: relative;
        width: 100%;
        left: auto;
        right: auto;
        top: auto;
        bottom: auto;
    }

    .security-panel {
        padding: 45px 30px;
    }

    .download-card {
        padding: 45px 30px;
    }
}

@media (max-width: 575.98px) {
    .navbar {
        min-height: 68px;
    }

    .hero-section {
        padding: 105px 0 70px;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-copy {
        font-size: 0.95rem;
    }

    .hero-meta {
        display: grid;
        gap: 10px;
    }

    .section-space {
        padding: 80px 0;
    }

    .feature-card,
    .workflow-card {
        padding: 24px;
    }

    .download-card {
        display: block;
    }

    .download-mark {
        margin: 35px auto 0;
    }

    .download-buttons {
        align-items: flex-start;
        flex-direction: column;
    }

    .download-buttons .btn {
        width: 100%;
    }

    .footer-links {
        justify-content: flex-start;
    }
}