* {
    box-sizing: border-box;
}

:root {
    --navy: #07101f;
    --navy-2: #0b1729;
    --text: #f3f8ff;
    --muted: #b9c7d8;
    --blue: #6bd7ff;
    --violet: #a899ff;
    --gold: #ffd59f;
    --line: rgba(255, 255, 255, 0.14);
    --glass: rgba(255, 255, 255, 0.08);
    --glass-strong: rgba(255, 255, 255, 0.13);
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 20% 0%, rgba(107, 215, 255, 0.15), transparent 34rem),
        radial-gradient(circle at 90% 20%, rgba(168, 153, 255, 0.15), transparent 32rem),
        var(--navy);
    line-height: 1.6;
}

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

.site-header {
    position: sticky;
    z-index: 50;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 74px;
    padding: 16px clamp(18px, 5vw, 76px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(7, 16, 31, 0.62);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 750;
    letter-spacing: 0.02em;
}

.brand-orbit {
    width: 42px;
    height: 42px;
    border-radius: 999px;
    border: 2px solid rgba(107, 215, 255, 0.85);
    position: relative;
    box-shadow: 0 0 26px rgba(107, 215, 255, 0.4);
}

    .brand-orbit::before {
        content: "";
        position: absolute;
        inset: 10px;
        border-radius: 999px;
        background: linear-gradient(135deg, var(--blue), var(--violet));
    }

    .brand-orbit::after {
        content: "";
        position: absolute;
        width: 54px;
        height: 18px;
        left: -8px;
        top: 10px;
        border-top: 2px solid rgba(255, 213, 159, 0.8);
        border-radius: 50%;
        transform: rotate(-24deg);
    }

.main-nav {
    display: flex;
    gap: 28px;
    color: var(--muted);
    font-size: 0.95rem;
}

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

.nav-toggle {
    display: none;
    background: var(--glass);
    color: var(--text);
    border: 1px solid var(--line);
    border-radius: 12px;
    font-size: 1.2rem;
    padding: 8px 12px;
}

.home-hero {
    min-height: 100svh;
    position: relative;
    display: flex;
    align-items: center;
    padding: 120px clamp(20px, 6vw, 90px) 76px;
    overflow: hidden;
    background-image: url("../img/aurion-desktop-img-2.png");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-shade {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 74% 45%, rgba(7, 16, 31, 0.12), rgba(7, 16, 31, 0.3) 25%, rgba(7, 16, 31, 0.82) 72%),
        linear-gradient(90deg, rgba(7, 16, 31, 0.94) 0%, rgba(7, 16, 31, 0.72) 38%, rgba(7, 16, 31, 0.18) 100%);
}

.home-hero::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 160px;
    background: linear-gradient(transparent, var(--navy));
}

.hero-copy {
    position: relative;
    z-index: 2;
    max-width: 780px;
}

.eyebrow,
.section-kicker {
    color: var(--blue);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.76rem;
    font-weight: 800;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    max-width: 780px;
    font-size: clamp(3.2rem, 8vw, 7.4rem);
    line-height: 0.92;
    letter-spacing: -0.075em;
    margin-bottom: 26px;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.55rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 18px;
}

h3 {
    font-size: 1.35rem;
    margin-bottom: 10px;
}

.hero-text {
    max-width: 660px;
    color: var(--muted);
    font-size: clamp(1.08rem, 2vw, 1.32rem);
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 34px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 13px 22px;
    border-radius: 999px;
    font-weight: 750;
    transition: transform 180ms ease, background 180ms ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary {
    background: linear-gradient(135deg, var(--blue), var(--violet));
    color: #05101e;
    box-shadow: 0 16px 44px rgba(107, 215, 255, 0.22);
}

.button-ghost {
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.scroll-cue {
    position: absolute;
    z-index: 3;
    left: 50%;
    bottom: 34px;
    transform: translateX(-50%);
    width: 28px;
    height: 44px;
    border: 1px solid rgba(255, 255, 255, 0.36);
    border-radius: 999px;
}

.scroll-cue span {
    position: absolute;
    left: 50%;
    top: 9px;
    width: 4px;
    height: 9px;
    transform: translateX(-50%);
    border-radius: 999px;
    background: var(--text);
}

.section {
    max-width: 1240px;
    margin: 0 auto;
    padding: 96px clamp(20px, 6vw, 90px);
}

.split-section {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.85fr);
    gap: 38px;
    align-items: center;
}

.lead,
.section p {
    color: var(--muted);
    font-size: 1.08rem;
}

.info-panel,
.product-card {
    background: linear-gradient(145deg, var(--glass-strong), rgba(255, 255, 255, 0.045));
    border: 1px solid var(--line);
    border-radius: 30px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
}

.info-panel {
    padding: 34px;
}

.info-panel ul {
    padding-left: 0;
    margin: 16px 0 0;
    list-style: none;
}

.info-panel li {
    padding: 12px 0 12px 30px;
    position: relative;
    color: var(--muted);
    border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.info-panel li::before {
    content: "✦";
    color: var(--gold);
    position: absolute;
    left: 0;
}

.center-section {
    text-align: center;
    max-width: 950px;
}

.card-grid {
    margin-top: 30px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.product-card {
    min-height: 250px;
    padding: 30px;
}

.card-icon {
    font-size: 2.2rem;
    display: inline-block;
    margin-bottom: 18px;
}

.contact-section {
    display: flex;
    justify-content: space-between;
    gap: 28px;
    align-items: center;
    border-top: 1px solid var(--line);
}

.footer {
    text-align: center;
    padding: 34px 20px;
    color: var(--muted);
    border-top: 1px solid var(--line);
}

@media (max-width: 920px) {
    .nav-toggle {
        display: inline-block;
    }

    .main-nav {
        position: absolute;
        top: 74px;
        left: 18px;
        right: 18px;
        display: none;
        flex-direction: column;
        gap: 16px;
        padding: 20px;
        border: 1px solid var(--line);
        border-radius: 22px;
        background: rgba(7, 16, 31, 0.96);
    }

    .main-nav.open {
        display: flex;
    }

    .home-hero {
        background-position: 62% center;
        align-items: flex-end;
        padding-bottom: 104px;
    }

    .hero-shade {
        background:
            linear-gradient(180deg, rgba(7, 16, 31, 0.22) 0%, rgba(7, 16, 31, 0.54) 44%, rgba(7, 16, 31, 0.96) 100%);
    }

    .split-section,
    .card-grid {
        grid-template-columns: 1fr;
    }

    .contact-section {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 768px) {
    .home-hero {
        min-height: 100svh;
        padding: 104px 18px 94px;
        background-image: url("../img/aurion-mobile-img-2.png");
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }

    .hero-shade {
        background: linear-gradient( 180deg, rgba(7, 16, 31, 0.18) 0%, rgba(7, 16, 31, 0.42) 38%, rgba(7, 16, 31, 0.95) 100% );
    }
}

@media (max-width: 560px) {
    .site-header {
        padding-inline: 15px;
    }

    .brand {
        font-size: 0.96rem;
    }

    .brand-orbit {
        width: 36px;
        height: 36px;
    }

    .home-hero {
        min-height: 100svh;
        padding: 104px 18px 94px;
        background-position: 68% center;
    }

    h1 {
        font-size: clamp(3rem, 17vw, 4.6rem);
        letter-spacing: -0.065em;
    }

    .hero-text {
        font-size: 1.04rem;
    }

    .button,
    .hero-buttons {
        width: 100%;
    }

    .section {
        padding: 74px 18px;
    }

    .info-panel,
    .product-card {
        border-radius: 24px;
        padding: 25px;
    }
}