:root {
    --background: #050911;
    --background-light: #0b1423;
    --panel: rgba(16, 29, 49, 0.72);
    --panel-border: rgba(124, 183, 255, 0.18);
    --text: #f4f7fb;
    --text-muted: #aebdce;
    --blue: #65adff;
    --blue-bright: #9bcfff;
    --blue-dark: #143e70;
    --max-width: 1180px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    font-family: Inter, Arial, Helvetica, sans-serif;
    color: var(--text);
    background: #000000;
}

a {
    color: inherit;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
}

.site-header {
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(5, 9, 17, 0.72);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(18px);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 110px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 18px;
    text-decoration: none;
    flex-shrink: 0;
}

.brand-logo,
.brand-wordmark {
    display: block;
    object-fit: contain;
    flex-shrink: 0;
}

.brand-logo {
    width: 82px;
    height: 82px;
}

.brand-wordmark {
    width: 220px;
    height: auto;
}

.brand-logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 12px rgba(74, 153, 255, 0.7));
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: #dce7f4;
    font-size: 1.02rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-decoration: none;
    transition: color 180ms ease, opacity 180ms ease;
}

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

.nav-button {
    padding: 12px 22px;
    font-size: 1rem;
    font-weight: 600;
    border: 1px solid rgba(101, 173, 255, 0.48);
    border-radius: 999px;
    background: rgba(101, 173, 255, 0.08);
}

.hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 100vh;
    padding: 150px 0 90px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 80px;
}

.eyebrow {
    margin-bottom: 22px;
    color: var(--blue);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.hero h1 {
    max-width: 780px;
    font-size: clamp(3.5rem, 8vw, 7.5rem);
    line-height: 0.88;
    letter-spacing: -0.045em;
}

.hero h1 span {
    display: block;
    color: transparent;
    background: linear-gradient(120deg, #ffffff, #8fc5ff 55%, #ffffff);
    background-clip: text;
    -webkit-background-clip: text;
}

.hero-tagline {
    margin-top: 26px;
    font-size: clamp(1.35rem, 3vw, 2.1rem);
    letter-spacing: 0.05em;
}

.hero-description {
    max-width: 650px;
    margin-top: 22px;
    color: var(--text-muted);
    font-size: 1.08rem;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 26px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 0.92rem;
    font-weight: 700;
    text-decoration: none;
    transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

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

.button-primary {
    color: #04101e;
    background: linear-gradient(135deg, var(--blue-bright), var(--blue));
    box-shadow: 0 14px 42px rgba(59, 139, 230, 0.28);
}

.button-secondary {
    color: var(--text);
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.15);
}

.product-stage {
    position: relative;
    overflow: visible;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 760px;
}

.product-stage::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.product-glow {
    display: none;
}

.product-wrap {
    position: relative;
    z-index: 2;
    width: clamp(640px, 46vw, 860px);
    animation: product-float 5s ease-in-out infinite;
}

.hero-product {
    position: relative;
    z-index: 2;
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: none;
    transform: perspective(1100px) rotateX(var(--rotate-x, 0deg)) rotateY(var(--rotate-y, 0deg));
    transition: transform 180ms ease-out;
}

.hero-product-reflection {
    display: none;
}

.product-shine {
    position: absolute;
    inset: 0;
    z-index: 3;
    overflow: hidden;
    pointer-events: none;
    opacity: 0;
    transition: opacity 160ms ease;
    mix-blend-mode: screen;
    -webkit-mask-image: url("../assets/products/arx-slab-guard-v2.png");
    mask-image: url("../assets/products/arx-slab-guard-v2.png");
    -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: center;
}

.product-stage.is-hovered .product-shine {
    opacity: 1;
}

.product-shine::before {
    content: "";
    position: absolute;
    top: -20%;
    left: -45%;
    width: 30%;
    height: 150%;
    transform: skewX(-18deg);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.92), rgba(148, 214, 255, 0.7), transparent);
    filter: blur(10px);
    opacity: 0;
}

.product-stage.is-hovered .product-shine::before {
    animation: shine-sweep 900ms ease-in-out;
    opacity: 0.9;
}

.product-floor {
    display: none;
}

.particles {
    position: absolute;
    z-index: 2;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    bottom: 5%;
    width: 2px;
    height: 2px;
    border-radius: 50%;
    mix-blend-mode: screen;
    opacity: 0;
    animation: particle-fall linear infinite;
}

.particle--blue {
    background: linear-gradient(135deg, rgba(244, 254, 255, 1), rgba(92, 214, 255, 0.98));
    box-shadow:
        0 0 4px rgba(232, 252, 255, 0.95),
        0 0 10px rgba(141, 233, 255, 1),
        0 0 18px rgba(141, 233, 255, 0.95),
        0 0 30px rgba(86, 182, 255, 0.9),
        0 0 42px rgba(34, 116, 255, 0.72),
        0 0 60px rgba(12, 62, 206, 0.42),
        0 0 84px rgba(0, 20, 120, 0.3);
}

.particle--white {
    background: linear-gradient(135deg, rgba(255, 255, 255, 1), rgba(210, 244, 255, 0.98));
    box-shadow:
        0 0 4px rgba(255, 255, 255, 0.95),
        0 0 10px rgba(239, 252, 255, 1),
        0 0 18px rgba(210, 244, 255, 0.96),
        0 0 34px rgba(174, 227, 255, 0.68),
        0 0 48px rgba(112, 179, 255, 0.38);
}

section {
    padding: 110px 0;
}

.section-heading {
    max-width: 720px;
    margin-bottom: 55px;
}

.section-heading h2 {
    margin-bottom: 18px;
    font-size: clamp(2.25rem, 5vw, 4rem);
    line-height: 1;
    letter-spacing: -0.035em;
}

.section-heading p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.75;
}

.products {
    background: linear-gradient(180deg, transparent, rgba(15, 30, 51, 0.48), transparent);
}

.product-card {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 60px;
    padding: 60px;
    overflow: hidden;
    border: 1px solid var(--panel-border);
    border-radius: 30px;
    background: linear-gradient(135deg, rgba(22, 42, 69, 0.9), rgba(7, 13, 23, 0.92));
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.24);
}

.product-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 420px;
    border-radius: 24px;
    background: radial-gradient(circle, rgba(74, 148, 234, 0.26), transparent 58%), rgba(255, 255, 255, 0.02);
}

.product-card-image {
    display: block;
    width: min(100%, 470px);
    height: auto;
    margin: 0 auto;
    object-fit: contain;
    object-position: center;
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.45));
}

.product-card-caption {
    margin: 0;
    color: rgba(193, 210, 231, 0.82);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.product-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-content h3 {
    margin-bottom: 20px;
    font-size: clamp(2rem, 4vw, 3.4rem);
}

.product-content p {
    color: var(--text-muted);
    font-size: 1.03rem;
    line-height: 1.75;
}

.feature-list {
    display: grid;
    gap: 15px;
    margin: 28px 0 34px;
    list-style: none;
}

.feature-list li {
    display: flex;
    gap: 13px;
    align-items: flex-start;
    color: #dce7f4;
}

.feature-list li::before {
    content: "◆";
    margin-top: 2px;
    color: var(--blue);
    font-size: 0.72rem;
}

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

.benefit {
    min-height: 260px;
    padding: 34px;
    border: 1px solid var(--panel-border);
    border-radius: 24px;
    background: var(--panel);
    backdrop-filter: blur(16px);
}

.benefit-number {
    margin-bottom: 45px;
    color: var(--blue);
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.16em;
}

.benefit h3 {
    margin-bottom: 14px;
    font-size: 1.35rem;
}

.benefit p {
    color: var(--text-muted);
    line-height: 1.7;
}

.cta {
    text-align: center;
}

.cta-panel {
    padding: 80px 30px;
    border: 1px solid rgba(115, 180, 255, 0.24);
    border-radius: 30px;
    background: radial-gradient(circle at top, rgba(72, 151, 242, 0.24), transparent 55%), rgba(10, 19, 33, 0.86);
}

.cta-panel h2 {
    margin-bottom: 18px;
    font-size: clamp(2.3rem, 6vw, 4.8rem);
    letter-spacing: -0.04em;
}

.cta-panel p {
    max-width: 620px;
    margin: 0 auto 32px;
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

footer {
    padding: 38px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
}

.footer-brand {
    font-weight: 800;
    letter-spacing: 0.2em;
}

.footer-copy {
    color: #7f90a5;
    font-size: 0.84rem;
}

@keyframes glow-pulse {
    0%, 100% {
        transform: scale(0.98);
        opacity: 0.78;
    }

    50% {
        transform: scale(0.98);
        opacity: 0.78;
    }
}

@keyframes product-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-14px); }
}

@keyframes shine-sweep {
    0%, 58% {
        transform: translateX(-300%) skewX(-12deg);
        opacity: 0;
    }

    64% {
        opacity: 0.8;
    }

    78% {
        transform: translateX(360%) skewX(-12deg);
        opacity: 0.65;
    }

    84%, 100% {
        transform: translateX(360%) skewX(-12deg);
        opacity: 0;
    }
}

@keyframes particle-fall {
    0% {
        transform: translate3d(0, 0, 0) scale(0.35);
        opacity: 0;
    }

    12% {
        opacity: 1;
    }

    55% {
        transform: translate3d(12px, -180px, 0) scale(0.9);
        opacity: 0.9;
    }

    100% {
        transform: translate3d(-18px, -520px, 0) scale(1.2);
        opacity: 0;
    }
}

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

    .hero {
        padding-top: 135px;
    }

    .hero-copy {
        max-width: 620px;
        text-align: center;
    }

    .hero-description {
        margin-right: auto;
        margin-left: auto;
    }

    .hero-actions {
        justify-content: center;
    }

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

    .product-card {
        padding: 32px;
    }
}

@media (max-width: 680px) {
    .nav-links li:not(:last-child) {
        display: none;
    }

    .hero h1 {
        font-size: 4.2rem;
    }

    section {
        padding: 80px 0;
    }

    .product-card {
        padding: 22px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}