:root {
    --color-primary: #4a708b;
    --color-primary-dark: #3d5f78;
    --color-accent: #607b8b;
    --color-login: #f6b007;
    --color-login-dark: #d99600;

    --color-bg: #f5f7f8;
    --color-bg-light: #eef3f5;
    --color-white: #ffffff;

    --color-text: #2f3440;
    --color-text-soft: #5c6675;
    --color-border: #d8e1e6;

    --color-success: #dff4e5;
    --color-success-text: #1d5b2c;
    --color-error: #fde7e7;
    --color-error-text: #8a1f1f;

    --shadow-soft: 0 10px 30px rgba(74, 112, 139, 0.12);
    --radius: 14px;
    --transition: 0.25s ease;
    --container-width: 1140px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
}

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

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

ul {
    margin-top: 0;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.narrow {
    max-width: 860px;
}

.center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

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

.header-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    position: relative;
}

.logo {
    display: inline-block;
}

.logo img {
    width: auto;
    max-width: 320px;
    max-height: 74px;
    border-radius: 0;
    box-shadow: none;
}

.main-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    justify-content: flex-end;
}

.main-nav a {
    color: var(--color-text-soft);
    font-size: 0.98rem;
    font-weight: 600;
    transition: color var(--transition);
    text-decoration: none;
}

.main-nav a:hover,
.main-nav a:focus,
.main-nav a.active {
    color: var(--color-primary);
    font-weight: 700;
}

.main-nav .login-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: #1f2933;
    background: rgba(246, 176, 7, 0.14);
    border: 1px solid var(--color-login);
    border-radius: 999px;
    padding: 8px 14px;
    line-height: 1;
    box-shadow: 0 6px 16px rgba(246, 176, 7, 0.16);
}

.main-nav .login-nav-link:hover,
.main-nav .login-nav-link:focus,
.main-nav .login-nav-link.active {
    background: var(--color-login);
    color: #1f2933;
    text-decoration: none;
}

.login-nav-icon {
    width: 18px;
    height: 18px;
    color: var(--color-login-dark);
    fill: none;
    stroke: currentColor;
    stroke-width: 2.3;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex: 0 0 auto;
}

.main-nav .login-nav-link:hover .login-nav-icon,
.main-nav .login-nav-link:focus .login-nav-icon,
.main-nav .login-nav-link.active .login-nav-icon {
    color: #1f2933;
}

/* Hamburger knop standaard uit */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    margin: 5px 0;
    background: var(--color-primary);
    border-radius: 2px;
}

/* =========================
   GENERIEK
========================= */
.section {
    padding: 72px 0;
    background: var(--color-white);
}

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

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

.section-academy {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.section-heading {
    max-width: 760px;
    margin-bottom: 40px;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 10px;
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.eyebrow-light {
    color: #d7e4ea;
}

h1,
h2,
h3 {
    margin-top: 0;
    line-height: 1.2;
}

h1 {
    margin-bottom: 24px;
    font-size: 3rem;
    color: var(--color-primary);
}

h2 {
    margin-bottom: 16px;
    font-size: 2.2rem;
    color: var(--color-primary);
}

h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
    color: var(--color-primary);
}

.section-dark h2,
.section-dark h3 {
    color: var(--color-white);
}

p {
    margin-top: 0;
    margin-bottom: 16px;
    color: var(--color-text-soft);
}

.section-dark p {
    color: rgba(255, 255, 255, 0.92);
}

/* =========================
   BUTTONS
========================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 22px;
    border-radius: 999px;
    font-weight: 700;
    transition: all var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    text-decoration: none;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background: var(--color-primary-dark);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background: rgba(74, 112, 139, 0.10);
}

.btn-form {
    width: 100%;
    background: var(--color-accent);
    color: var(--color-white);
    border: none;
    font-size: 1rem;
}

.btn-form:hover,
.btn-form:focus {
    background: var(--color-primary);
}

/* =========================
   HERO
========================= */
.hero {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    padding: 76px 0 64px;
}

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

.hero-intro {
    max-width: 620px;
    font-size: 1.08rem;
}

.hero-image img {
    width: 100%;
    max-width: 460px;
    margin-left: auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    object-fit: cover;
}

.hero-image-square img {
    aspect-ratio: 1 / 1;
}

.check-list {
    margin: 0 0 28px;
    padding: 0;
    list-style: none;
}

.check-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 12px;
    color: var(--color-text);
}

.check-list li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-accent);
    font-weight: 700;
}

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

/* =========================
   SPLIT FEATURE BLOKKEN
========================= */
.split-feature {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 42px;
    align-items: center;
}

.feature-content {
    max-width: 680px;
}

.feature-image img {
    width: 100%;
    max-width: 540px;
    aspect-ratio: 4 / 3;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(74, 112, 139, 0.12);
    object-fit: cover;
}

.reverse-mobile .feature-image img {
    margin-left: auto;
}

/* =========================
   CARD GRID
========================= */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.info-card {
    background: var(--color-white);
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(216, 225, 230, 0.8);
}

.info-card p {
    margin-bottom: 0;
}

/* =========================
   STAPPEN
========================= */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.step-card {
    position: relative;
    overflow: hidden;
    background: var(--color-white);
    border: 1px solid rgba(216, 225, 230, 0.8);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
}

.step-image img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.step-number {
    width: 38px;
    height: 38px;
    margin: -19px 24px 14px;
    display: grid;
    place-items: center;
    position: relative;
    z-index: 1;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 700;
}

.step-card h3,
.step-card p {
    padding: 0 24px;
}

.step-card p {
    margin-bottom: 24px;
}

/* =========================
   TWO COLUMN
========================= */
.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 42px;
    align-items: center;
}

.content-block {
    max-width: 620px;
}

.image-box img {
    width: 100%;
    max-width: 620px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    object-fit: cover;
}

/* =========================
   LIJSTEN
========================= */
.standard-list {
    margin: 0 0 20px 0;
    padding-left: 20px;
}

.standard-list li {
    margin-bottom: 10px;
}

/* =========================
   ACADEMY
========================= */
.academy-block {
    max-width: 900px;
}

.academy-text {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 36px;
    box-shadow: var(--shadow-soft);
}

/* =========================
   CONTACT / FORM
========================= */
.contact-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 36px;
    align-items: start;
}

.contact-content {
    padding-top: 6px;
}

.contact-points p {
    margin-bottom: 12px;
}

.contact-form-wrap {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow-soft);
}

.contact-form label {
    display: block;
    margin-bottom: 7px;
    font-weight: 700;
    color: var(--color-primary);
    font-size: 0.95rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 15px;
    margin-bottom: 16px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    font: inherit;
    color: var(--color-text);
    background: var(--color-white);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(96, 123, 139, 0.16);
}

.form-message {
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: 10px;
    font-weight: 700;
}

.form-success {
    background: var(--color-success);
    color: var(--color-success-text);
}

.form-error {
    background: var(--color-error);
    color: var(--color-error-text);
}

/* =========================
   LOGIN
========================= */
.login-hero .hero-image img {
    background: var(--color-white);
    object-fit: contain;
}

.login-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 32px;
    align-items: stretch;
}

.login-panel,
.login-support {
    background: var(--color-white);
    border: 1px solid rgba(216, 225, 230, 0.8);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    padding: 32px;
}

.login-panel h2,
.login-support h2 {
    font-size: 1.8rem;
}

.login-form {
    margin-top: 10px;
}

.login-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 24px 0;
}

.login-points {
    border-top: 1px solid var(--color-border);
    margin-top: 24px;
    padding-top: 20px;
}

/* =========================
   FOOTER
========================= */
.site-footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding-top: 50px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    padding-bottom: 30px;
}

.site-footer h3 {
    color: var(--color-white);
    margin-bottom: 12px;
}

.site-footer p,
.site-footer a,
.footer-links li {
    color: rgba(255, 255, 255, 0.88);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus {
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding: 18px 0;
}

.footer-bottom p {
    margin: 0;
    color: rgba(255, 255, 255, 0.88);
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 1100px) {
    .logo img {
        max-width: 260px;
    }

    .main-nav {
        gap: 14px;
    }

    h1 {
        font-size: 2.6rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-grid,
    .split-feature,
    .two-column,
    .contact-grid {
        gap: 30px;
    }
}

@media (max-width: 900px) {
    .hero-grid,
    .split-feature,
    .two-column,
    .contact-grid,
    .login-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

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

    .hero {
        padding: 72px 0 60px;
    }

    .reverse-mobile .feature-image {
        order: -1;
    }

    .main-nav {
        gap: 16px;
    }

    .hero-image img {
        max-width: 520px;
    }

    .hero-image img,
    .feature-image img,
    .image-box img {
        margin: 0 auto;
    }
}

@media (max-width: 768px) {

    .site-header {
        position: sticky;
    }

    .header-inner {
        min-height: 70px;
        padding: 12px 0;
        flex-direction: row;
        align-items: center;
        gap: 16px;
    }

    .logo {
        width: auto;
        text-align: left;
    }

    .logo img {
        width: auto;
        max-width: 220px;
        max-height: 58px;
        height: auto;
    }

    .nav-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 44px;
        height: 44px;
        margin-left: auto;
        padding: 6px;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        background: var(--color-white);
        border-top: 1px solid var(--color-border);
        box-shadow: 0 10px 20px rgba(74, 112, 139, 0.12);
        flex-direction: column;
        gap: 0;
        padding: 10px 0;
    }

    .main-nav.nav-open {
        display: flex;
    }

    .main-nav a {
        display: block;
        padding: 14px 20px;
        border-bottom: 1px solid var(--color-bg-light);
    }

    .main-nav .login-nav-link {
        display: flex;
        justify-content: flex-start;
        width: calc(100% - 32px);
        margin: 10px 16px 4px;
        padding: 13px 18px;
        border-bottom: 1px solid var(--color-primary);
    }

    .main-nav a:last-child {
        border-bottom: none;
    }
}

@media (max-width: 640px) {
    .site-header {
        position: sticky;
    }

    .header-inner {
        min-height: 64px;
        padding: 10px 0;
        align-items: center;
    }

    .section,
    .hero {
        padding: 48px 0;
    }

    .container {
        padding: 0 16px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.7rem;
    }

    .card-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        flex-direction: column;
        gap: 10px;
    }

    .btn,
    .btn-form {
        width: 100%;
    }

    .contact-form-wrap,
    .academy-text,
    .login-panel,
    .login-support {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .info-card,
    .step-card,
    .contact-form-wrap,
    .academy-text,
    .login-panel,
    .login-support {
        padding: 18px;
    }

    .logo img {
        max-width: 190px;
    }
}