:root {
    --black: #050607;
    --black-soft: #0a0c0f;
    --panel: #0f1216;
    --panel-hover: #141922;
    --silver: #c8c9cc;
    --silver-bright: #f2f4f7;
    --gray: #8e949d;
    --gray-dark: #55585c;
    --blue: #007bff;
    --blue-bright: #00a8ff;
    --border: rgba(255, 255, 255, 0.09);
    --content-width: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--black);
    color: var(--silver-bright);
    font-family:
        Inter,
        "Segoe UI",
        Roboto,
        Helvetica,
        Arial,
        sans-serif;
    line-height: 1.6;
}

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

img {
    display: block;
    max-width: 100%;
}

.site-header {
    position: fixed;
    z-index: 100;
    top: 0;
    right: 0;
    left: 0;
    background: rgba(5, 6, 7, 0.78);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(18px);
}

.header-inner {
    width: min(calc(100% - 48px), var(--content-width));
    height: 76px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand,
.footer-brand {
    font-size: 1.08rem;
    font-weight: 700;
    letter-spacing: 0.18em;
}

.brand-lynx {
    color: var(--silver-bright);
}

.brand-foundry {
    color: var(--blue);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 34px;
}

.site-nav a {
    color: var(--silver);
    font-size: 0.88rem;
    letter-spacing: 0.06em;
    transition:
        color 160ms ease,
        border-color 160ms ease;
}

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

.site-nav .nav-contact {
    padding: 9px 18px;
    border: 1px solid rgba(0, 123, 255, 0.65);
    border-radius: 4px;
}

.hero {
    position: relative;
    min-height: 100vh;
    padding: 138px 24px 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background:
        radial-gradient(circle at 50% 55%,
            rgba(0, 123, 255, 0.12),
            transparent 33%),
        linear-gradient(180deg, #050607 0%, #080a0d 100%);
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.25;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: linear-gradient(to bottom, transparent, black 25%, black 75%, transparent);
}

.hero-glow {
    position: absolute;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: rgba(0, 123, 255, 0.09);
    filter: blur(110px);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    width: min(900px, 100%);
    text-align: center;
}

.hero-logo {
    width: min(430px, 82vw);
    margin: 0 auto 38px;
}

.eyebrow,
.section-label {
    color: var(--blue-bright);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.24em;
}

.hero h1 {
    margin: 0;
    font-size: clamp(3.1rem, 8vw, 4.5rem);
    font-weight: 650;
    letter-spacing: -0.045em;
    line-height: 1.05;
}

.hero-description {
    max-width: 720px;
    margin: 30px auto 0;
    color: var(--silver);
    font-size: clamp(1.05rem, 2vw, 1.32rem);
}

.hero-actions {
    margin-top: 42px;
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.button {
    min-width: 155px;
    padding: 13px 23px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: 4px;
    font: inherit;
    font-size: 0.92rem;
    font-weight: 650;
    cursor: pointer;
    transition:
        transform 160ms ease,
        background 160ms ease,
        border-color 160ms ease,
        box-shadow 160ms ease;
}

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

.button-primary {
    color: white;
    background: linear-gradient(135deg, #0066e6, #008cff);
    box-shadow: 0 14px 38px rgba(0, 123, 255, 0.19);
}

.button-primary:hover {
    box-shadow: 0 17px 45px rgba(0, 123, 255, 0.3);
}

.button-secondary {
    color: var(--silver-bright);
    background: rgba(255, 255, 255, 0.025);
    border-color: var(--border);
}

.button-secondary:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(0, 168, 255, 0.55);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    width: 22px;
    height: 38px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 14px;
    transform: translateX(-50%);
}

.scroll-indicator span {
    position: absolute;
    top: 8px;
    left: 50%;
    width: 3px;
    height: 7px;
    border-radius: 3px;
    background: var(--blue-bright);
    transform: translateX(-50%);
    animation: scrollPulse 1.8s infinite;
}

@keyframes scrollPulse {
    0% {
        opacity: 0;
        transform: translate(-50%, 0);
    }

    40% {
        opacity: 1;
    }

    100% {
        opacity: 0;
        transform: translate(-50%, 12px);
    }
}

.section {
    padding: 120px 24px;
}

.section-inner {
    width: min(100%, var(--content-width));
    margin: 0 auto;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 60px;
}

.section-heading h2,
.about-section h2,
.contact-section h2 {
    margin: 12px 0 20px;
    font-size: clamp(2.3rem, 5vw, 4rem);
    line-height: 1.08;
    letter-spacing: -0.04em;
}

.section-heading>p:last-child,
.about-copy,
.contact-copy>p:last-child {
    color: var(--silver);
    font-size: 1.1rem;
}

.approach-section {
    background: var(--black-soft);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.approach-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
}

.approach-card {
    position: relative;
    min-height: 285px;
    padding: 30px 25px;
    background:
        linear-gradient(145deg,
            rgba(255, 255, 255, 0.045),
            rgba(255, 255, 255, 0.012));
    border: 1px solid var(--border);
    border-radius: 8px;
    transition:
        transform 180ms ease,
        border-color 180ms ease,
        background 180ms ease;
}

.approach-card:hover {
    transform: translateY(-6px);
    background: var(--panel-hover);
    border-color: rgba(0, 123, 255, 0.5);
}

.step-number {
    position: absolute;
    top: 20px;
    right: 20px;
    color: var(--gray-dark);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
}

.approach-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 35px;
    display: grid;
    place-items: center;
    color: var(--blue-bright);
    background: rgba(0, 123, 255, 0.08);
    border: 1px solid rgba(0, 123, 255, 0.32);
    border-radius: 50%;
    font-size: 1.3rem;
}

.approach-card h3 {
    margin: 0 0 12px;
    font-size: 1.22rem;
    letter-spacing: 0.02em;
}

.approach-card p {
    margin: 0;
    color: var(--gray);
    font-size: 0.93rem;
}

.about-section {
    background:
        radial-gradient(circle at 15% 50%, rgba(0, 123, 255, 0.07), transparent 28%),
        var(--black);
}

.about-layout,
.contact-layout {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: clamp(50px, 8vw, 120px);
    align-items: start;
}

.about-copy p {
    margin-top: 0;
    margin-bottom: 24px;
}

.contact-section {
    background: var(--black-soft);
    border-top: 1px solid var(--border);
}

.contact-form {
    padding: clamp(25px, 5vw, 42px);
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-field {
    margin-bottom: 20px;
}

.form-field label {
    margin-bottom: 8px;
    display: block;
    color: var(--silver);
    font-size: 0.84rem;
    font-weight: 650;
    letter-spacing: 0.04em;
}

.form-field label span {
    color: var(--gray-dark);
    font-weight: 400;
}

.form-field input,
.form-field textarea {
    width: 100%;
    padding: 13px 14px;
    color: var(--silver-bright);
    background: #090b0e;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 4px;
    outline: none;
    font: inherit;
    transition:
        border-color 160ms ease,
        box-shadow 160ms ease;
}

.form-field textarea {
    resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.12);
}

.form-note {
    margin: 16px 0 0;
    color: var(--gray-dark);
    font-size: 0.78rem;
}

.site-footer {
    padding: 34px 24px;
    border-top: 1px solid var(--border);
    background: #030405;
}

.footer-inner {
    width: min(100%, var(--content-width));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.footer-inner p {
    margin: 0;
    color: var(--gray);
    font-size: 0.82rem;
}

@media (max-width: 980px) {
    .approach-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .approach-card:last-child {
        grid-column: span 2;
    }

    .about-layout,
    .contact-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 680px) {
    .header-inner {
        width: min(calc(100% - 30px), var(--content-width));
        height: 68px;
    }

    .site-nav {
        gap: 15px;
    }

    .site-nav a:not(.nav-contact) {
        display: none;
    }

    .hero {
        padding-top: 118px;
    }

    .hero-logo {
        margin-bottom: 28px;
    }

    .section {
        padding: 85px 20px;
    }

    .approach-grid,
    .form-row {
        grid-template-columns: 1fr;
    }

    .approach-card:last-child {
        grid-column: auto;
    }

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