/* Paginastructuur: container, header/nav, hero, secties, footer. */

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding-inline: var(--space-3);
}

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

/* ---------- Header ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-height: var(--header-height);
}

.site-logo {
    display: block;
    flex-shrink: 0;
    line-height: 0;
}

.site-logo img {
    width: auto;
    height: 56px;
    aspect-ratio: 132 / 79;
}

.site-nav {
    margin-left: auto;
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav__list a:not(.btn) {
    display: block;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--color-navy);
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.15s ease-in-out, color 0.15s ease-in-out;
}

.site-nav__list a:not(.btn):hover {
    background-color: var(--color-bg-muted);
    color: var(--color-primary-dark);
}

/* Actieve sectie (gezet door ts/modules/nav.ts tijdens het scrollen). */
.site-nav__list a[aria-current='true'] {
    color: var(--color-primary-dark);
    box-shadow: inset 0 -3px 0 var(--color-accent);
}

.site-nav__login {
    margin-left: var(--space-1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 48px;
    height: 48px;
    margin-left: auto;
    padding: 0;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    cursor: pointer;
}

.nav-toggle__bar {
    display: block;
    width: 28px;
    height: 3px;
    margin: 0 auto;
    border-radius: 2px;
    background-color: var(--color-navy);
    transition: transform 0.2s ease-in-out, opacity 0.2s ease-in-out;
}

.nav-toggle[aria-expanded='true'] .nav-toggle__bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded='true'] .nav-toggle__bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded='true'] .nav-toggle__bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

@media (max-width: 1100px) {
    .nav-toggle {
        display: flex;
    }

    .site-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        margin-left: 0;
        background: var(--color-white);
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 12px 24px rgba(38, 50, 56, 0.12);
        max-height: 0;
        overflow: hidden;
        visibility: hidden;
        transition: max-height 0.25s ease-in-out, visibility 0s linear 0.25s;
    }

    .site-nav.is-open {
        max-height: 34rem;
        visibility: visible;
        transition: max-height 0.25s ease-in-out, visibility 0s;
    }

    .site-nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: var(--space-1) var(--space-3) var(--space-3);
    }

    .site-nav__list a:not(.btn) {
        padding: 0.875rem 0;
        border-radius: 0;
        border-bottom: 1px solid var(--color-border);
        font-size: 1rem;
    }

    .site-nav__list a[aria-current='true'] {
        box-shadow: inset 4px 0 0 var(--color-accent);
        padding-left: 0.75rem;
    }

    .site-nav__login {
        margin: var(--space-2) 0 0;
    }

    .site-nav__login .btn {
        width: 100%;
    }
}

/* ---------- Hero ---------- */

.hero {
    position: relative;
    overflow: hidden;
    color: var(--color-white);
    text-align: center;
    background:
        radial-gradient(circle at 12% 20%, rgba(255, 255, 255, 0.1), transparent 42%),
        radial-gradient(circle at 90% 80%, rgba(255, 255, 255, 0.1), transparent 38%),
        var(--gradient-brand);
}

.hero__content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: clamp(4rem, 9vw, 7.5rem);
    padding-bottom: clamp(7.5rem, 15vw, 11.5rem);
}

.hero h1 {
    max-width: 14em;
    color: var(--color-white);
}

.hero__subtitle {
    margin-bottom: var(--space-4);
    font-family: var(--font-heading);
    font-size: clamp(1.25rem, 2.6vw, 1.875rem);
    font-weight: 700;
    line-height: 1.3;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
}

@media (max-width: 560px) {
    .hero__actions {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        max-width: 20rem;
    }
}

.hero__wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: clamp(50px, 8vw, 110px);
    display: block;
}

.hero__wave path {
    fill: var(--color-white);
}

/* ---------- Secties ---------- */

.section {
    padding-block: clamp(3.5rem, 8vw, 6rem);
}

.section--intro {
    padding-top: clamp(1.5rem, 4vw, 3rem);
}

.section--white {
    background-color: var(--color-white);
}

.section--muted {
    background-color: var(--color-bg-muted);
}

.section--tint {
    background-color: var(--color-tint);
}

.section__header {
    max-width: 44rem;
    margin-bottom: var(--space-4);
}

.section__header--center {
    margin-inline: auto;
    text-align: center;
}

.section__header h2 {
    margin-bottom: var(--space-2);
}

.section__header .lead {
    margin-bottom: 0;
}

/* Tekst naast afbeelding: afwisselend gespiegeld, op mobiel altijd tekst eerst. */
.feature {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 6vw, 5rem);
    align-items: center;
    padding-block: clamp(1.75rem, 4vw, 3rem);
}

.feature + .feature {
    border-top: 1px solid var(--color-border);
}

.feature--reverse .feature__media {
    order: -1;
}

.feature__text {
    max-width: 34rem;
}

.feature__text p:last-child {
    margin-bottom: 0;
}

@media (max-width: 860px) {
    .feature {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }

    .feature--reverse .feature__media {
        order: 0;
    }

    .feature__text {
        max-width: none;
    }
}

/* ---------- CTA-band (contactgegevens halverwege de pagina) ---------- */

.cta-band {
    color: var(--color-white);
    text-align: center;
    background:
        radial-gradient(circle at 85% 15%, rgba(255, 255, 255, 0.14), transparent 40%),
        var(--gradient-brand);
}

.cta-band__inner {
    padding-block: clamp(3.5rem, 8vw, 5.5rem);
}

.cta-band h2 {
    color: var(--color-white);
    font-size: clamp(1.75rem, 4.2vw, 2.75rem);
}

.cta-band__contact {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.25rem 1rem;
    margin: 0;
    font-family: var(--font-heading);
    font-size: clamp(1.25rem, 2.8vw, 1.875rem);
    font-weight: 800;
    line-height: 1.3;
}

.cta-band__contact a {
    color: var(--color-white);
    text-decoration-thickness: 2px;
}

.cta-band__contact a:hover {
    color: var(--color-white);
    text-decoration-color: var(--color-accent);
}

/* ---------- Contact ---------- */

.contact {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-4);
    align-items: start;
}

@media (max-width: 900px) {
    .contact {
        grid-template-columns: 1fr;
    }
}

/* ---------- Footer ---------- */

.site-footer {
    background-color: var(--color-footer);
    color: var(--color-footer-text);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.site-footer a {
    color: var(--color-white);
}

.site-footer a:hover {
    color: var(--color-white);
    text-decoration-color: var(--color-accent);
}

.site-footer__inner {
    display: grid;
    grid-template-columns: 1fr 1fr 1.6fr;
    gap: var(--space-4);
    padding-block: clamp(2.5rem, 6vw, 4rem) var(--space-4);
}

.site-footer h2 {
    margin-bottom: var(--space-2);
    color: var(--color-white);
    font-size: 1rem;
}

.site-footer p,
.site-footer address {
    margin: 0;
}

.social-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    margin: 0;
    padding: 0;
    list-style: none;
}

.social-list a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 1rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-pill);
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.social-list a:hover {
    background-color: var(--color-white);
    border-color: var(--color-white);
    color: var(--color-footer);
}

.site-footer__bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2) var(--space-4);
    padding-block: var(--space-3);
    border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.site-footer__credit {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
}

.site-footer__credit img {
    width: 110px;
    height: auto;
}

@media (max-width: 800px) {
    .site-footer__inner {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
}

.scroll-to-top {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    box-shadow: var(--shadow-hover);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0s linear 0.2s, background-color 0.2s ease;
}

.scroll-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0s, background-color 0.2s ease;
}

.scroll-to-top:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* ---------- 500-pagina ---------- */

.error-page {
    padding: var(--space-6) 0;
    text-align: center;
}

.error-page img {
    margin: 0 auto var(--space-3);
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition-duration: 0.01ms !important;
    }
}