/* =============================================================================
   EXPATS — site styles
   Palette & type follow the Hogeschool PXL house style:
   rich black + white, gold as ACCENT ONLY. Headings Raleway, body Museo Sans
   (Mulish as the free web stand-in). Tone: "vlot serieus".
   ========================================================================== */

:root {
    --black: #030203;
    --white: #ffffff;
    --gold: #ae9a64;
    --gold-soft: rgba(174, 154, 100, 0.14);

    --ink: #1a1a1c;          /* body text on light */
    --muted: #6c6c70;        /* secondary text on light */
    --muted-dark: #a7a7ad;   /* secondary text on dark */
    --line: #e7e6e2;         /* hairline on light */
    --line-dark: rgba(255, 255, 255, 0.14);
    --surface: #faf9f6;      /* alt section background */

    --font-head: "Raleway", "Arial Black", sans-serif;
    --font-body: "Museo Sans", "Mulish", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

    --maxw: 1120px;
    --gutter: clamp(1.2rem, 4vw, 2.5rem);
    --radius: 14px;
}

/* ---------------------------------------------------------------- reset */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--ink);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

h1, h2, h3 { font-family: var(--font-head); font-weight: 900; line-height: 1.08; margin: 0; }
p { margin: 0 0 1rem; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

.accent { color: var(--gold); }
.muted { color: var(--muted); }

.skip-link {
    position: absolute; left: -999px; top: 0;
    background: var(--gold); color: var(--black);
    padding: .6rem 1rem; font-weight: 700; z-index: 100;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }

/* ------------------------------------------------------------------ nav */
.site-nav {
    position: sticky; top: 0; z-index: 50;
    background: rgba(3, 2, 3, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line-dark);
    color: var(--white);
}
.site-nav__inner { display: flex; align-items: center; justify-content: space-between; min-height: 68px; gap: 1rem; }

.brand { display: flex; flex-direction: column; line-height: 1; text-decoration: none; color: var(--white); }
.brand__mark { font-family: var(--font-head); font-weight: 900; font-size: 1.4rem; letter-spacing: .04em; }
.brand__sub { font-size: .68rem; color: var(--muted-dark); letter-spacing: .12em; text-transform: uppercase; margin-top: .25rem; }

.nav-menu { display: flex; align-items: center; gap: 1.6rem; }
.nav-menu a { text-decoration: none; color: var(--white); font-weight: 600; font-size: .95rem; transition: color .15s; }
.nav-menu a:hover { color: var(--gold); }
.nav-cta {
    border: 1px solid var(--gold); color: var(--gold) !important;
    padding: .45rem .9rem; border-radius: 999px;
}
.nav-cta:hover { background: var(--gold); color: var(--black) !important; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: .5rem; }
.nav-toggle span { width: 24px; height: 2px; background: var(--white); transition: .2s; }

/* ---------------------------------------------------------------- hero */
.hero {
    background: radial-gradient(120% 120% at 80% -10%, #20160a 0%, var(--black) 55%);
    color: var(--white);
    padding: clamp(3.5rem, 10vw, 7rem) 0 clamp(3rem, 8vw, 5.5rem);
    border-bottom: 1px solid var(--line-dark);
}
.hero__kicker { color: var(--gold); text-transform: uppercase; letter-spacing: .16em; font-size: .76rem; font-weight: 700; margin-bottom: 1.4rem; }
.hero__title { font-size: clamp(3.2rem, 12vw, 6.5rem); letter-spacing: .02em; }
.hero__full { font-family: var(--font-head); font-weight: 800; font-size: clamp(1.15rem, 3.2vw, 1.7rem); margin: .4rem 0 1.6rem; color: var(--white); }
.hero__lead { max-width: 44ch; font-size: clamp(1.05rem, 2.2vw, 1.25rem); color: #e8e7e3; }
.hero__lead strong { color: var(--white); }
.hero__actions { display: flex; flex-wrap: wrap; gap: .9rem; margin: 2rem 0 1.5rem; }
.hero__note { color: var(--muted-dark); font-size: .9rem; letter-spacing: .02em; margin: 0; }

/* --------------------------------------------------------------- buttons */
.btn {
    display: inline-block; text-decoration: none; font-weight: 700;
    padding: .85rem 1.6rem; border-radius: 999px; font-size: 1rem;
    border: 1px solid transparent; transition: transform .12s, background .15s, color .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn--gold { background: var(--gold); color: var(--black); }
.btn--gold:hover { background: #c0ad7c; }
.btn--ghost { border-color: rgba(255, 255, 255, 0.4); color: var(--white); }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); }

/* -------------------------------------------------------------- sections */
.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section--alt { background: var(--surface); border-block: 1px solid var(--line); }

.section__kicker {
    color: var(--gold); text-transform: uppercase; letter-spacing: .16em;
    font-size: .76rem; font-weight: 700; margin: 0 0 .7rem;
}
.section__title { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 1rem; }
.section__title::after {
    content: ""; display: block; width: 56px; height: 4px;
    background: var(--gold); border-radius: 2px; margin-top: 1rem;
}
.section__intro { max-width: 60ch; color: var(--muted); font-size: 1.1rem; margin-bottom: 2.6rem; }

/* ----------------------------------------------------------------- grids */
.grid { display: grid; gap: 1.5rem; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ----------------------------------------------------------------- cards */
.card {
    background: var(--white); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 1.8rem;
}
.card__title { font-size: 1.45rem; font-weight: 800; margin-bottom: .7rem; }
.card__for { font-family: var(--font-body); font-weight: 600; font-size: .82rem; color: var(--gold); text-transform: uppercase; letter-spacing: .08em; margin-left: .5rem; }
.card--feature { border-top: 4px solid var(--gold); }
.card--principle { background: var(--surface); }
.section--alt .card { background: var(--white); }

.ticks { list-style: none; padding: 0; margin: 1.2rem 0 0; }
.ticks li { position: relative; padding-left: 1.7rem; margin-bottom: .55rem; color: var(--ink); }
.ticks li::before { content: "✓"; position: absolute; left: 0; color: var(--gold); font-weight: 700; }

/* -------------------------------------------------------- can / cannot */
.scope__col { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.8rem; }
.section--alt .scope__col { background: var(--white); }
.scope__col--can { border-top: 4px solid var(--gold); }
.scope__col--cannot { border-top: 4px solid var(--black); }
.scope__heading { display: flex; align-items: center; gap: .6rem; font-size: 1.3rem; font-weight: 800; margin-bottom: 1.2rem; }
.scope__icon {
    display: inline-grid; place-items: center; width: 1.9rem; height: 1.9rem; border-radius: 50%;
    font-size: 1rem; font-family: var(--font-body);
}
.scope__col--can .scope__icon { background: var(--gold); color: var(--black); }
.scope__col--cannot .scope__icon { background: var(--black); color: var(--white); }
.scope__list { list-style: none; padding: 0; margin: 0; }
.scope__list li { padding: .65rem 0; border-bottom: 1px solid var(--line); }
.scope__list li:last-child { border-bottom: 0; }

.tag {
    display: inline-block; font-family: var(--font-body); font-size: .68rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .08em; padding: .12rem .5rem; border-radius: 999px;
    margin-left: .4rem; vertical-align: middle; white-space: nowrap;
}
.tag--soon { background: var(--gold-soft); color: #8a763f; border: 1px solid rgba(174, 154, 100, 0.4); }
.tag--design { background: #efefef; color: var(--muted); border: 1px solid var(--line); }

/* -------------------------------------------------------------- timeline */
.timeline { list-style: none; margin: 0 0 3rem; padding: 0; border-left: 2px solid var(--line); }
.timeline__item { position: relative; padding: 0 0 2rem 2rem; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
    content: ""; position: absolute; left: -9px; top: 4px; width: 16px; height: 16px;
    border-radius: 50%; background: var(--white); border: 3px solid var(--line);
}
.timeline__item.is-done::before { background: var(--gold); border-color: var(--gold); }
.timeline__item.is-active::before { background: var(--black); border-color: var(--black); box-shadow: 0 0 0 4px var(--gold-soft); }
.timeline__badge {
    display: inline-block; font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em;
    color: var(--muted); margin-bottom: .35rem;
}
.timeline__item.is-done .timeline__badge { color: var(--gold); }
.timeline__item.is-active .timeline__badge { color: var(--black); }
.timeline__item h3 { font-size: 1.25rem; font-weight: 800; margin-bottom: .3rem; }
.timeline__item p { color: var(--muted); margin: 0; max-width: 60ch; }

/* --------------------------------------------------------------- horizon */
.horizon { background: var(--black); color: var(--white); border-radius: var(--radius); padding: 2rem; }
.horizon__title { color: var(--gold); font-size: 1.2rem; font-weight: 800; margin-bottom: .4rem; }
.horizon__lead { color: var(--muted-dark); margin-bottom: 1.2rem; }
.horizon__list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .7rem; }
.horizon__list li {
    border: 1px solid var(--line-dark); border-radius: 999px; padding: .4rem 1rem; font-size: .9rem; font-weight: 600;
}

/* ---------------------------------------------------------------- footer */
.site-footer { background: var(--black); color: var(--white); padding: 3.5rem 0 2rem; }
.site-footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2.5rem; }
.brand--footer .brand__mark { font-size: 1.7rem; letter-spacing: .04em; }
.site-footer__name { font-family: var(--font-head); font-weight: 800; margin: .8rem 0 .3rem; }
.site-footer__baseline { color: var(--muted-dark); font-size: .92rem; }
.site-footer__col h3 { font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; color: var(--gold); margin-bottom: 1rem; font-family: var(--font-body); }
.site-footer__col ul { list-style: none; padding: 0; margin: 0; }
.site-footer__col li { margin-bottom: .6rem; }
.site-footer__col a { color: var(--white); text-decoration: none; }
.site-footer__col a:hover { color: var(--gold); }
.site-footer__legal { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line-dark); }
.site-footer__legal p { color: var(--muted-dark); font-size: .85rem; margin: 0 0 .3rem; }

/* ----------------------------------------------------------- responsive */
@media (max-width: 880px) {
    .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
    .nav-toggle { display: flex; }
    .nav-menu {
        position: absolute; top: 68px; left: 0; right: 0;
        flex-direction: column; align-items: flex-start; gap: 0;
        background: var(--black); border-bottom: 1px solid var(--line-dark);
        padding: .5rem var(--gutter) 1.2rem; display: none;
    }
    .nav-menu.is-open { display: flex; }
    .nav-menu a { padding: .7rem 0; width: 100%; }
    .nav-cta { margin-top: .6rem; }

    .grid--2, .grid--4 { grid-template-columns: 1fr; }
    .site-footer__grid { grid-template-columns: 1fr; gap: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .btn:hover { transform: none; }
}