/* ==========================================================================
   PNX Labs LMS - public landing page
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@500;600;700;800&family=Manrope:wght@400;500;600;700&display=swap');

:root {
    --pnx-green: #77B901;
    --pnx-green-dark: #5E9300;
    --pnx-white: #FFFFFF;
    --pnx-black: #000000;
    --pnx-graphite: #363636;
    --pnx-alert: #EB521D;
    --pnx-link: #393BD6;
    --pnx-highlight: #FF3A05;
    --pnx-font: 'Manrope', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --pnx-font-display: 'Exo 2', 'Manrope', 'Segoe UI', sans-serif;
}

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

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--pnx-black);
    color: var(--pnx-white);
    font-family: var(--pnx-font);
}

a:focus-visible {
    outline: 3px solid var(--pnx-green);
    outline-offset: 3px;
}

/* ------------------------------------------------------------------ header */
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    z-index: 3;
}

.brand {
    display: inline-flex;
    align-items: center;
}

.brand-logo {
    height: 52px;
    width: auto;
    display: block;
}

.brand-tag {
    font-family: var(--pnx-font-display);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
}

/* -------------------------------------------------------------------- hero */
.hero {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 64px 24px;
    background:
        radial-gradient(1200px 500px at 85% 10%, rgba(119, 185, 1, 0.14), transparent 60%),
        linear-gradient(180deg, var(--pnx-black) 0%, #0d0d0d 100%);
}

/* Hexagon accents echoing the PNX Labs mark */
.hero-shape {
    position: absolute;
    clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%);
    pointer-events: none;
}

.hero-shape-a {
    width: 520px;
    height: 450px;
    right: -140px;
    bottom: -120px;
    background: var(--pnx-graphite);
    opacity: 0.35;
}

.hero-shape-b {
    width: 180px;
    height: 156px;
    left: 6%;
    top: 12%;
    background: var(--pnx-green);
    opacity: 0.12;
}

.hero-inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1080px;
    text-align: center;
}

.eyebrow {
    display: inline-block;
    font-family: var(--pnx-font-display);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--pnx-green);
    margin-bottom: 18px;
}

.hero h1 {
    font-family: var(--pnx-font-display);
    font-weight: 800;
    font-size: clamp(2.1rem, 5vw, 3.6rem);
    line-height: 1.08;
    letter-spacing: -0.01em;
    margin-bottom: 18px;
}

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

.lead {
    max-width: 640px;
    margin: 0 auto 48px;
    font-size: 1.1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.78);
}

/* ---------------------------------------------------------- portal cards */
.portal-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.portal-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 28px 26px 24px;
    text-align: left;
    text-decoration: none;
    color: var(--pnx-white);
    background: var(--pnx-graphite);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-top: 4px solid var(--pnx-green);
    border-radius: 14px;
    transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.portal-card:hover {
    transform: translateY(-6px);
    background: #2b2b2b;
    box-shadow: 0 18px 40px rgba(119, 185, 1, 0.18);
}

.portal-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 50px;
    margin-bottom: 6px;
    clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%);
    background: var(--pnx-green);
    color: var(--pnx-black);
    font-size: 21px;
}

.portal-name {
    font-family: var(--pnx-font-display);
    font-size: 1.45rem;
    font-weight: 700;
}

.portal-desc {
    font-size: 0.95rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.72);
    flex: 1;
}

.portal-go {
    margin-top: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--pnx-green);
}

.portal-go i {
    margin-left: 6px;
    transition: transform 0.2s ease;
}

.portal-card:hover .portal-go i {
    transform: translateX(4px);
}

/* ------------------------------------------------------------------ footer */
.site-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    padding: 20px 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-left {
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
}

.site-footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.site-footer a:hover {
    color: var(--pnx-green);
}

/* -------------------------------------------------------------- responsive */
@media (max-width: 860px) {
    .portal-grid {
        grid-template-columns: 1fr;
        max-width: 460px;
        margin: 0 auto;
    }
}

@media (max-width: 600px) {
    .site-header,
    .site-footer {
        padding-left: 16px;
        padding-right: 16px;
    }

    .brand-logo {
        height: 40px;
    }

    .brand-tag {
        display: none;
    }

    .hero {
        padding: 44px 16px;
    }

    .site-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}