/* =========================================================
   Sato Installatietechniek V2 hoofdstylesheet
   Combinatie van foto-hero, keuzekaarten, kernactiviteiten
   en uitgelichte projecten. Rood / zwart / wit.
   ========================================================= */

:root {
    --c-red: #c8102e;
    --c-red-dark: #a30d26;
    --c-black: #141414;
    --c-ink: #2e2e2e;
    --c-grey: #f6f5f3;
    --c-line: #e7e5e1;
    --c-white: #ffffff;

    --f-main: "Archivo", "Helvetica Neue", sans-serif;

    --container: 1200px;
    --container-wide: 1460px;
    --radius: 10px;
    --shadow: 0 14px 34px rgba(20, 20, 20, 0.08);
}

/* ---------- Basis ---------- */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--f-main);
    font-size: 1.0425rem;
    line-height: 1.7;
    color: var(--c-ink);
    background: var(--c-white);
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--c-red);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul,
ol {
    list-style-position: inside;
}

h1,
h2,
h3,
h4 {
    font-weight: 800;
    line-height: 1.15;
    color: var(--c-black);
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5.5vw, 3.9rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); }
h3 { font-size: 1.18rem; }

.container {
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 24px;
}

/* Header en footer lopen breder dan de inhoud. */
.site-top .container,
.site-footer .container {
    max-width: var(--container-wide);
}

.center {
    text-align: center;
    margin-top: 36px;
}

.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* ---------- Knoppen ---------- */

.btn {
    display: inline-block;
    font-weight: 700;
    font-size: 0.98rem;
    padding: 0.9rem 1.9rem;
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

.btn--red {
    background: var(--c-red);
    color: var(--c-white);
}

.btn--red:hover {
    background: var(--c-red-dark);
    color: var(--c-white);
}

.btn--dark {
    background: var(--c-black);
    color: var(--c-white);
}

.btn--dark:hover {
    background: #000;
    color: var(--c-white);
}

.btn--white {
    background: var(--c-white);
    color: var(--c-red);
}

.btn--white:hover {
    background: var(--c-black);
    color: var(--c-white);
}

.btn--outline {
    border-color: var(--c-black);
    color: var(--c-black);
}

.btn--outline::after,
.project__link::after {
    content: " →";
}

.btn--outline:hover {
    background: var(--c-black);
    color: var(--c-white);
}

.btn--outline-light {
    border-color: rgba(255, 255, 255, 0.55);
    color: var(--c-white);
}

.btn--outline-light:hover {
    border-color: var(--c-white);
    color: var(--c-white);
}

.btn--ghost {
    border-color: rgba(255, 255, 255, 0.4);
    color: var(--c-white);
}

.btn--ghost:hover {
    border-color: var(--c-white);
    color: var(--c-white);
}

.btn--nav {
    padding: 0.6rem 1.3rem;
    font-size: 0.9rem;
}

/* ---------- Vaste kop met verloop ---------- */

body.admin-bar .site-top {
    top: 32px;
}

.site-top {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 60;
    background: linear-gradient(180deg, rgba(8, 8, 8, 0.72) 0%, rgba(8, 8, 8, 0.38) 62%, rgba(8, 8, 8, 0) 100%);
}

.site-top::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--c-black);
    opacity: 0;
    transition: opacity 0.25s ease;
    z-index: -1;
}

.site-top.is-scrolled::before {
    opacity: 1;
}

.site-top.is-scrolled {
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
}

/* ---------- Topbar ---------- */

.topbar {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.84rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.topbar__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding-block: 8px;
    flex-wrap: wrap;
}

.topbar__note::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: var(--c-red);
    margin-right: 8px;
}

.topbar__contact {
    display: flex;
    gap: 14px;
    align-items: center;
}

.topbar__items {
    display: flex;
    gap: 22px;
    align-items: center;
}

.topbar__items a {
    color: rgba(255, 255, 255, 0.85);
}

.topbar__arrow {
    display: none;
    align-items: center;
    justify-content: center;
    background: none;
    border: 0;
    padding: 4px;
    cursor: pointer;
    color: var(--c-white);
}

.topbar__arrow svg {
    width: 16px;
    height: 16px;
}

.topbar__phone {
    font-weight: 700;
    color: var(--c-white) !important;
}

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

.site-header {
    position: relative;
}

.site-header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-block: 14px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo:hover {
    text-decoration: none;
}

.logo__mark-img {
    height: 52px;
    width: 52px;
    display: block;
}

.logo__text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo__name {
    font-size: 1.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--c-white);
}

.logo__sub {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.245em;
    color: rgba(255, 255, 255, 0.75);
    margin-top: 5px;
}

.logo--footer .logo__mark-img {
    height: 56px;
    width: 56px;
}

.site-nav ul {
    display: flex;
    gap: 4px;
    align-items: center;
    list-style: none;
}

.site-nav a:not(.btn) {
    display: block;
    font-size: 0.96rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    padding: 9px 13px;
    border-radius: 6px;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.site-nav a:not(.btn):hover {
    color: var(--c-white);
    text-decoration: none;
}

.site-nav a[aria-current="page"] {
    color: var(--c-white);
    background: rgba(255, 255, 255, 0.09);
}

.site-nav__cta {
    margin-left: 10px;
}

.nav-toggle {
    display: none;
    background: none;
    border: 0;
    padding: 8px;
    cursor: pointer;
}

.nav-toggle__bar {
    display: block;
    width: 26px;
    height: 3px;
    border-radius: 2px;
    background: var(--c-white);
    margin: 5px 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ---------- Foto-hero (homepage) ---------- */

.hero {
    position: relative;
    background-size: cover;
    background-position: center;
    color: var(--c-white);
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(10, 10, 10, 0.82) 20%, rgba(10, 10, 10, 0.45) 65%, rgba(200, 16, 46, 0.25) 100%);
}

.hero__inner {
    position: relative;
    z-index: 1;
    padding-block: clamp(170px, 17vw, 240px) clamp(130px, 13vw, 190px);
    max-width: var(--container);
}

.hero__kicker {
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--c-white);
    background: var(--c-red);
    display: inline-block;
    padding: 6px 14px;
    border-radius: 5px;
    margin-bottom: 22px;
}

.hero__title {
    color: var(--c-white);
    font-size: clamp(2.8rem, 5.6vw, 4.8rem);
    margin-bottom: 22px;
}

.hero__title .accent {
    color: #e8394f;
}

.hero__text {
    font-size: 1.18rem;
    color: rgba(255, 255, 255, 0.88);
    max-width: 580px;
    margin-bottom: 36px;
}

.hero__actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero__usps {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    list-style: none;
    margin-top: 44px;
    padding-top: 26px;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    font-size: 0.98rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

.hero__usps li::before {
    content: "✓";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--c-white);
    background: var(--c-red);
    border-radius: 50%;
    margin-right: 10px;
    vertical-align: 1px;
}

/* ---------- Keuzekaarten (woning / bedrijf) ---------- */

.choice {
    margin-top: -56px;
    position: relative;
    z-index: 2;
    padding-bottom: 24px;
}

.choice__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.choice__card {
    border-radius: var(--radius);
    padding: 40px 38px;
    box-shadow: var(--shadow);
}

.choice__card h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.choice__card p {
    margin-bottom: 24px;
}

.choice__card--light {
    background: var(--c-white);
    border: 1px solid var(--c-line);
}

.choice__card--dark {
    background: var(--c-black);
    color: rgba(255, 255, 255, 0.85);
}

.choice__card--dark h2 {
    color: var(--c-white);
}

/* ---------- Kernactiviteiten-strip ---------- */

.activities {
    padding-block: 40px 10px;
}

.activities__strip {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    text-align: center;
}

.activities__strip li {
    padding: 18px 8px;
    border-radius: var(--radius);
    transition: background-color 0.2s ease;
}

.activities__strip li:hover {
    background: var(--c-grey);
}

.activities__strip svg {
    width: 42px;
    height: 42px;
    color: var(--c-red);
    margin-inline: auto;
    margin-bottom: 10px;
    display: block;
}

.activities__strip span {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--c-ink);
}

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

.section {
    padding-block: clamp(56px, 8vw, 92px);
}

.section--grey {
    background: var(--c-grey);
}

.section-head {
    max-width: 720px;
    margin-bottom: 44px;
}

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

.section-head__kicker {
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--c-red);
    margin-bottom: 10px;
}

.section-head h2 {
    margin-bottom: 14px;
}

.section-head__text {
    color: #5c5c5c;
}

/* ---------- Grids ---------- */

.grid {
    display: grid;
    gap: 24px;
}

.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- USP-kolommen ---------- */

.usp {
    text-align: left;
}

.usp__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    border-radius: 14px;
    background: rgba(200, 16, 46, 0.09);
    color: var(--c-red);
    margin-bottom: 16px;
}

.usp__icon svg {
    width: 28px;
    height: 28px;
}

.usp h3 {
    margin-bottom: 8px;
}

.usp p {
    font-size: 0.94rem;
    color: #5c5c5c;
}

/* ---------- Kaarten & tegels (subpagina's) ---------- */

.card {
    background: var(--c-white);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
}

.card__num {
    font-size: 2rem;
    font-weight: 800;
    color: rgba(200, 16, 46, 0.25);
    display: block;
    margin-bottom: 10px;
}

.card h3 {
    margin-bottom: 10px;
}

.tile {
    display: flex;
    flex-direction: column;
    background: var(--c-white);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    padding: 26px;
    color: inherit;
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.tile:hover {
    text-decoration: none;
    border-color: var(--c-red);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.tile h3 {
    margin-bottom: 8px;
}

.tile p {
    color: #5c5c5c;
    font-size: 0.94rem;
    flex-grow: 1;
}

.tile__more {
    margin-top: 18px;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--c-red);
}

.tile__more::after {
    content: " →";
}

/* ---------- Split-layout & donker paneel ---------- */

.split {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: start;
}

.split--contact {
    grid-template-columns: 1.1fr 0.9fr;
}

.split--about {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
}

.split__text h2 {
    margin-bottom: 18px;
}

.split__text p {
    margin-bottom: 16px;
}

.split__text .btn {
    margin-top: 12px;
}

.about-photos {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.about-photos img {
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-photos img:last-child {
    margin-top: 32px;
}

.panel-dark {
    background: var(--c-black);
    color: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius);
    padding: 34px;
    box-shadow: var(--shadow);
}

.panel-dark h3 {
    color: var(--c-white);
    margin-bottom: 14px;
}

.panel-dark h3 + .contact-list {
    margin-bottom: 26px;
}

.panel-dark p {
    margin-bottom: 20px;
}

/* ---------- Stappen ---------- */

.steps {
    list-style: none;
    counter-reset: steps;
    margin-top: 24px;
}

.steps li {
    counter-increment: steps;
    position: relative;
    padding-left: 66px;
    padding-bottom: 28px;
}

.steps li:last-child {
    padding-bottom: 0;
}

.steps li::before {
    content: counter(steps, decimal-leading-zero);
    position: absolute;
    left: 0;
    top: 0;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--c-white);
    background: var(--c-red);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.steps h3 {
    margin-bottom: 6px;
}

/* ---------- Checklist ---------- */

.checklist {
    list-style: none;
    margin-bottom: 12px;
}

.checklist li {
    padding-left: 30px;
    position: relative;
    margin-bottom: 10px;
}

.checklist li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 1px;
    color: var(--c-white);
    background: var(--c-red);
    width: 20px;
    height: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

/* ---------- Quotes ---------- */

.quote {
    background: var(--c-white);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
}

.quote p {
    font-style: italic;
    margin-bottom: 14px;
}

.quote footer {
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--c-black);
}

.quote footer::before {
    content: "";
    display: inline-block;
    width: 18px;
    height: 3px;
    border-radius: 2px;
    background: var(--c-red);
    margin-right: 10px;
    vertical-align: middle;
}

/* ---------- Certificeringen ---------- */

.cert-strip {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 44px;
}

.split .cert-strip,
.panel-dark .cert-strip {
    justify-content: flex-start;
    margin-top: 0;
}

.cert-badge {
    background: var(--c-white);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    padding: 18px 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 200px;
    height: 92px;
}

.cert-badge img {
    max-height: 48px;
    max-width: 140px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.panel-dark .cert-badge {
    border-color: rgba(255, 255, 255, 0.2);
}

/* ---------- Pagina-hero (subpagina's) ---------- */

.page-hero {
    position: relative;
    background: var(--c-black) url("../img/hero-bg.jpg") center/cover;
    color: var(--c-white);
    padding-block: clamp(150px, 16vw, 200px) clamp(56px, 8vw, 96px);
}

.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(10, 10, 10, 0.85) 30%, rgba(10, 10, 10, 0.55) 100%);
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    color: var(--c-white);
    max-width: 820px;
}

.page-hero__kicker {
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--c-white);
    background: var(--c-red);
    display: inline-block;
    padding: 5px 12px;
    border-radius: 5px;
    margin-bottom: 16px;
}

/* ---------- Disciplines-pagina ---------- */

.discipline-list {
    display: flex;
    flex-direction: column;
    gap: 56px;
}

.discipline {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    padding-bottom: 56px;
    border-bottom: 1px solid var(--c-line);
}

.discipline:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.discipline__num {
    font-size: 2.6rem;
    font-weight: 800;
    color: rgba(200, 16, 46, 0.3);
    display: block;
    line-height: 1;
    margin-bottom: 12px;
}

.discipline__body p {
    margin-bottom: 18px;
}

/* ---------- Projecten / referenties ---------- */

.project {
    background: var(--c-white);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.project__img {
    width: 100%;
    aspect-ratio: 10 / 7;
    object-fit: cover;
}

.project__body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

/* Referentiepagina gebruikt .project zonder afbeelding of body-wrapper. */
.project > .project__tag:first-child {
    margin: 24px 24px 0;
}

.project > h3,
.project > p {
    margin-inline: 24px;
}

.project > h3 {
    margin-top: 12px;
    margin-bottom: 8px;
}

.project > p {
    margin-bottom: 24px;
    color: #5c5c5c;
    font-size: 0.94rem;
}

.project__tag {
    display: inline-block;
    align-self: flex-start;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--c-red);
    background: rgba(200, 16, 46, 0.09);
    padding: 4px 12px;
    border-radius: 99px;
    margin-bottom: 12px;
}

.project__body h3 {
    margin-bottom: 8px;
}

.project__body p {
    color: #5c5c5c;
    font-size: 0.94rem;
    flex-grow: 1;
}

.project__link {
    margin-top: 16px;
    font-weight: 700;
    font-size: 0.9rem;
}

/* ---------- Contactformulier ---------- */

.contact-form {
    margin-top: 24px;
}

.contact-form p {
    margin-bottom: 18px;
}

.contact-form label {
    display: block;
    font-weight: 700;
    font-size: 0.88rem;
    margin-bottom: 6px;
    color: var(--c-black);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    font-family: var(--f-main);
    font-size: 1rem;
    padding: 13px 15px;
    border: 1px solid var(--c-line);
    border-radius: 8px;
    background: var(--c-white);
    color: var(--c-ink);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--c-red);
    box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.12);
}

.form-row--2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.hp-field {
    position: absolute;
    left: -9999px;
}

.form-notice {
    padding: 14px 18px;
    border-radius: 8px;
    margin-block: 18px;
    font-weight: 500;
}

.form-notice--success {
    background: #e8f5e9;
    border: 1px solid #a5d6a7;
    color: #1b5e20;
}

.form-notice--error {
    background: #fdecea;
    border: 1px solid #f5b5b0;
    color: #8e1a10;
}

.contact-list {
    list-style: none;
}

.contact-list li {
    margin-bottom: 14px;
}

.contact-list__label {
    display: block;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.74rem;
    color: var(--c-red);
}

.contact-list a {
    color: var(--c-white);
}

/* ---------- CTA-band ---------- */

.cta-band {
    background: var(--c-red);
    color: var(--c-white);
}

.cta-band__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    padding-block: 46px;
}

.cta-band__title {
    color: var(--c-white);
    margin-bottom: 6px;
}

.cta-band__text {
    color: rgba(255, 255, 255, 0.88);
}

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

.site-footer {
    background: var(--c-black);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.94rem;
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    padding-block: 56px;
}

.site-footer__col h3 {
    color: var(--c-white);
    font-size: 1rem;
    margin-bottom: 16px;
}

.site-footer__col ul {
    list-style: none;
}

.site-footer__col li {
    margin-bottom: 8px;
}

.site-footer__col a {
    color: rgba(255, 255, 255, 0.7);
}

.site-footer__col a:hover {
    color: var(--c-white);
}

.logo--footer {
    margin-bottom: 16px;
}

.site-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-block: 18px;
    font-size: 0.84rem;
}

/* ---------- Algemene content ---------- */

.content h2,
.content h3 {
    margin-block: 24px 12px;
}

.content p {
    margin-bottom: 16px;
}

/* ---------- Onthulling bij scroll ---------- */

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ---------- Responsief ---------- */

@media (max-width: 980px) {
    .grid--4 { grid-template-columns: repeat(2, 1fr); }
    .grid--3 { grid-template-columns: repeat(2, 1fr); }

    .split,
    .split--contact,
    .split--about,
    .discipline,
    .choice__grid {
        grid-template-columns: 1fr;
    }

    .choice {
        margin-top: -30px;
    }

    .activities__strip {
        grid-template-columns: repeat(3, 1fr);
    }

    .site-footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 740px) {
    /* Topbar wordt een carrousel: één item tegelijk, pijltjes ernaast. */
    .topbar__inner {
        justify-content: center;
        text-align: center;
    }

    .topbar__note {
        display: none;
    }

    .topbar__contact {
        width: 100%;
        justify-content: space-between;
    }

    .topbar__arrow {
        display: inline-flex;
    }

    .topbar__items {
        flex-grow: 1;
        justify-content: center;
    }

    .topbar__items a {
        display: none;
    }

    .topbar__items a.is-active {
        display: block;
        animation: sato-topbar-fade 0.35s ease;
    }

    @keyframes sato-topbar-fade {
        from { opacity: 0; transform: translateY(3px); }
        to   { opacity: 1; transform: none; }
    }

    .nav-toggle {
        display: block;
    }

    .logo__mark-img {
        height: 42px;
        width: 42px;
    }

    .logo__name {
        font-size: 1.4rem;
    }

    .logo__sub {
        font-size: 0.6rem;
    }

    .site-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--c-black);
        border-bottom: 3px solid var(--c-red);
    }

    .site-nav.is-open {
        display: block;
    }

    .site-nav ul {
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        padding: 14px 16px 22px;
    }

    .site-nav a:not(.btn) {
        padding: 13px 16px;
        border-radius: 8px;
    }

    .site-nav a[aria-current="page"] {
        background: rgba(255, 255, 255, 0.1);
        box-shadow: inset 3px 0 0 var(--c-red);
    }

    .site-nav__cta {
        margin: 12px 0 0;
    }

    .site-nav__cta .btn {
        display: block;
        text-align: center;
    }

    .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);
    }

    .grid--3,
    .grid--4,
    .form-row--2 {
        grid-template-columns: 1fr;
    }

    .activities__strip {
        grid-template-columns: repeat(2, 1fr);
    }

    .site-footer__grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .cta-band__inner {
        flex-direction: column;
        align-items: flex-start;
    }
}