/* =========================================================
   LENOPSO V0.1
   Global styles
   ========================================================= */

:root {
    --background: #070b12;
    --background-alt: #0c121d;
    --surface: #111927;

    --text: #f4f7fb;
    --text-muted: #aab4c3;

    --blue: #2f7df6;
    --blue-light: #67a3ff;

    --gold: #d8ae52;
    --gold-light: #f0cf7b;

    --border: rgba(255, 255, 255, 0.09);

    --max-width: 1180px;
    --narrow-width: 820px;

    --radius: 14px;
}


/* =========================================================
   RESET
   ========================================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--background);
    color: var(--text);
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        Helvetica,
        Arial,
        sans-serif;
    line-height: 1.6;
}

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


/* =========================================================
   LAYOUT
   ========================================================= */

.container {
    width: min(100% - 48px, var(--max-width));
    margin-inline: auto;
}

.narrow {
    max-width: var(--narrow-width);
}


/* =========================================================
   HEADER
   ========================================================= */

.site-header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10;
}

.header-inner {
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: inline-flex;
    font-size: 1.55rem;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.brand-len {
    color: var(--text);
}

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

.site-nav {
    display: flex;
    gap: 30px;
}

.site-nav a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

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


/* =========================================================
   HERO
   ========================================================= */

.hero {
    min-height: 720px;
    display: flex;
    align-items: center;

    background:
        radial-gradient(
            circle at 75% 35%,
            rgba(47, 125, 246, 0.18),
            transparent 32%
        ),
        radial-gradient(
            circle at 25% 70%,
            rgba(216, 174, 82, 0.07),
            transparent 28%
        ),
        var(--background);
}

.hero-content {
    padding-top: 70px;
}

.eyebrow,
.section-label {
    color: var(--gold);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.hero h1 {
    max-width: 850px;
    margin-top: 18px;

    font-size: clamp(3.5rem, 8vw, 6.5rem);
    line-height: 0.98;
    letter-spacing: -0.055em;
    font-weight: 800;
}

.hero h1 span {
    color: var(--blue);
}

.hero-text {
    max-width: 650px;
    margin-top: 32px;

    color: var(--text-muted);
    font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    margin-top: 36px;
    padding: 13px 23px;

    border: 1px solid var(--blue);
    border-radius: 8px;

    background: var(--blue);
    color: white;

    font-weight: 700;
    font-size: 0.92rem;

    transition:
        transform 0.2s ease,
        background 0.2s ease;
}

.button:hover {
    transform: translateY(-2px);
    background: #246bd8;
}


/* =========================================================
   SECTIONS
   ========================================================= */

.section {
    padding: 120px 0;
}

.section-alt {
    background: var(--background-alt);
}

.section h2 {
    max-width: 900px;
    margin-top: 16px;

    font-size: clamp(2.2rem, 5vw, 4rem);
    line-height: 1.08;
    letter-spacing: -0.045em;
}

.section h2 span {
    color: var(--blue-light);
}

.body-text {
    margin-top: 28px;

    color: var(--text-muted);
    font-size: 1.08rem;
}


/* =========================================================
   CARDS
   ========================================================= */

.cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;

    margin-top: 60px;
}

.card {
    padding: 32px;

    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);

    transition:
        transform 0.2s ease,
        border-color 0.2s ease;
}

.card:hover {
    transform: translateY(-3px);
    border-color: rgba(47, 125, 246, 0.35);
}

.card-number {
    color: var(--gold);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.card h3 {
    margin-top: 16px;
    font-size: 1.35rem;
}

.card p {
    margin-top: 12px;
    color: var(--text-muted);
}


/* =========================================================
   PRINCIPLES
   ========================================================= */

.principles {
    margin-top: 55px;

    border-top: 1px solid var(--border);
}

.principle {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 30px;

    padding: 24px 0;

    border-bottom: 1px solid var(--border);
}

.principle strong {
    color: var(--text);
}

.principle span {
    color: var(--text-muted);
}


/* =========================================================
   CTA
   ========================================================= */

.cta {
    padding: 130px 0;

    background:
        radial-gradient(
            circle at 50% 0%,
            rgba(47, 125, 246, 0.16),
            transparent 45%
        ),
        #09101b;

    text-align: center;
}

.cta-content {
    max-width: 800px;
}

.cta h2 {
    margin-top: 16px;

    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.05;
    letter-spacing: -0.045em;
}

.cta h2 span {
    color: var(--gold-light);
}

.cta p:not(.section-label) {
    max-width: 600px;
    margin: 24px auto 0;

    color: var(--text-muted);
    font-size: 1.05rem;
}

.button-light {
    background: var(--gold);
    border-color: var(--gold);
    color: #080b10;
}

.button-light:hover {
    background: var(--gold-light);
}


/* =========================================================
   FOOTER
   ========================================================= */

.site-footer {
    padding: 60px 0 25px;
    background: #05080e;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 50px;
}

.footer-inner p {
    max-width: 420px;
    margin-top: 12px;

    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;

    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-contact a:hover {
    color: var(--text);
}

.footer-bottom {
    margin-top: 50px;
    padding-top: 20px;

    border-top: 1px solid var(--border);
}

.footer-bottom p {
    color: #687384;
    font-size: 0.78rem;
}


/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 760px) {

    .container {
        width: min(100% - 32px, var(--max-width));
    }

    .site-header {
        position: absolute;
    }

    .header-inner {
        min-height: 75px;
    }

    .site-nav {
        display: none;
    }

    .hero {
        min-height: 680px;
    }

    .hero h1 {
        font-size: clamp(3rem, 15vw, 5rem);
    }

    .section {
        padding: 85px 0;
    }

    .cards {
        grid-template-columns: 1fr;
        margin-top: 40px;
    }

    .principle {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .footer-inner {
        flex-direction: column;
    }

    .footer-contact {
        align-items: flex-start;
    }

    .cta {
        padding: 90px 0;
    }

    .footer-social {
        display: flex;
        gap: 1.25rem;
        margin-top: 0.75rem;
    }

    .footer-social a {
        color: var(--text-muted);
        text-decoration: none;
        transition: color 0.2s ease;
    }

    .footer-social a:hover {
        color: var(--blue-light);
    }
}