src/components/forms/FormMultiStep.astro
---
/**
* FormMultiStep — formulier in drie stappen (bedrijfsinfo, doelen, contact).
* Stap-navigatie via .fms-btn--next / .fms-btn--back; panelen togglen op
* .fms-panel--active. Validatie-hooks: required-velden + novalidate op het form.
*
* Props:
* - headline?: string
* - sub?: string
*/
interface Props {
headline?: string;
sub?: string;
}
const {
headline = 'Stap voor stap naar jouw plan',
sub,
} = Astro.props;
---
<section class="bl-section fms-section">
<div class="bl-inner bl-inner--narrow fms-wrap">
{headline && <h2 class="fms-heading">{headline}</h2>}
{sub && <p class="fms-sub">{sub}</p>}
<div class="fms-stepper" aria-label="Voortgang">
<div class="fms-step fms-step--active">
<div class="fms-step-circle">1</div>
<span class="fms-step-label">Bedrijfsinfo</span>
</div><div class="fms-step">
<div class="fms-step-circle">2</div>
<span class="fms-step-label">Doelen</span>
</div><div class="fms-step">
<div class="fms-step-circle">3</div>
<span class="fms-step-label">Contact</span>
</div>
<div class="fms-step-track" aria-hidden="true"></div>
</div>
<form class="fms-form" novalidate>
<!-- Step 1 -->
<div class="fms-panel fms-panel--active" data-step="1">
<h3 class="fms-panel-title">Vertel ons over jouw bedrijf</h3>
<div class="fms-row">
<div class="fms-field">
<label class="fms-label" for="fms-company">Bedrijfsnaam *</label>
<input class="fms-input" type="text" id="fms-company" name="company" placeholder="Je bedrijfsnaam" required />
</div>
<div class="fms-field">
<label class="fms-label" for="fms-sector">Branche *</label>
<select class="fms-select" id="fms-sector" name="sector" required>
<option value="">Selecteer branche</option>
<option>E-commerce</option>
<option>B2B dienstverlening</option>
<option>SaaS / Tech</option>
<option>Zorg & welzijn</option>
<option>Retail</option>
<option>Horeca & toerisme</option>
<option>Anders</option>
</select>
</div>
</div>
<div class="fms-field">
<label class="fms-label" for="fms-website">Website URL</label>
<input class="fms-input" type="url" id="fms-website" name="website" placeholder="https://je-website.nl" />
</div>
<div class="fms-field">
<label class="fms-label" for="fms-employees">Aantal medewerkers</label>
<select class="fms-select" id="fms-employees" name="employees">
<option value="">Selecteer</option>
<option>1–5</option>
<option>6–25</option>
<option>26–100</option>
<option>100+</option>
</select>
</div>
<div class="fms-actions">
<button class="fms-btn fms-btn--next" type="button">Volgende stap →</button>
</div>
</div>
<!-- Step 2 -->
<div class="fms-panel" data-step="2">
<h3 class="fms-panel-title">Wat zijn jouw doelen?</h3>
<div class="fms-field">
<label class="fms-label">Primaire doelstelling *</label>
<div class="fms-radio-group">
<label class="fms-radio-item"><input class="fms-radio" type="radio" name="goal" value="Meer leads genereren" required /> Meer leads genereren</label><label class="fms-radio-item"><input class="fms-radio" type="radio" name="goal" value="Omzet verhogen" required /> Omzet verhogen</label><label class="fms-radio-item"><input class="fms-radio" type="radio" name="goal" value="Naamsbekendheid opbouwen" required /> Naamsbekendheid opbouwen</label><label class="fms-radio-item"><input class="fms-radio" type="radio" name="goal" value="Bestaande klanten activeren" required /> Bestaande klanten activeren</label>
</div>
</div>
<div class="fms-field">
<label class="fms-label" for="fms-channels">Huidige kanalen</label>
<div class="fms-checks">
<label class="fms-check-item"><input class="fms-check" type="checkbox" name="current_channels" value="Zoekadvertenties" /> Zoekadvertenties</label><label class="fms-check-item"><input class="fms-check" type="checkbox" name="current_channels" value="SEO" /> SEO</label><label class="fms-check-item"><input class="fms-check" type="checkbox" name="current_channels" value="Social Ads" /> Social Ads</label><label class="fms-check-item"><input class="fms-check" type="checkbox" name="current_channels" value="E-mail" /> E-mail</label><label class="fms-check-item"><input class="fms-check" type="checkbox" name="current_channels" value="Geen" /> Geen</label>
</div>
</div>
<div class="fms-field">
<label class="fms-label" for="fms-challenge">Grootste uitdaging</label>
<textarea class="fms-textarea" id="fms-challenge" name="challenge" rows="3" placeholder="Beschrijf je belangrijkste uitdaging..."></textarea>
</div>
<div class="fms-actions fms-actions--between">
<button class="fms-btn fms-btn--back" type="button">← Terug</button>
<button class="fms-btn fms-btn--next" type="button">Volgende stap →</button>
</div>
</div>
<!-- Step 3 -->
<div class="fms-panel" data-step="3">
<h3 class="fms-panel-title">Budget en planning</h3>
<div class="fms-field">
<label class="fms-label" for="fms-budget">Maandelijks budget *</label>
<select class="fms-select" id="fms-budget" name="budget" required>
<option value="">Selecteer budget</option>
<option>Minder dan €1.000</option>
<option>€1.000 – €2.500</option>
<option>€2.500 – €5.000</option>
<option>€5.000 – €10.000</option>
<option>Meer dan €10.000</option>
</select>
</div>
<div class="fms-row">
<div class="fms-field">
<label class="fms-label" for="fms-name">Jouw naam *</label>
<input class="fms-input" type="text" id="fms-name" name="name" placeholder="Voornaam achternaam" required autocomplete="name" />
</div>
<div class="fms-field">
<label class="fms-label" for="fms-email">E-mailadres *</label>
<input class="fms-input" type="email" id="fms-email" name="email" placeholder="Je e-mailadres" required autocomplete="email" />
</div>
</div>
<div class="fms-field">
<label class="fms-label" for="fms-start">Gewenste startdatum</label>
<input class="fms-input" type="date" id="fms-start" name="start_date" />
</div>
<div class="fms-actions fms-actions--between">
<button class="fms-btn fms-btn--back" type="button">← Terug</button>
<button class="fms-btn fms-btn--submit" type="submit">Plan versturen ✓</button>
</div>
</div>
</form>
</div>
</section>
<style>
.fms-heading{font-size:1.75rem;font-weight:800;color:var(--color-primary, #0a0a0a);margin:0 0 .5rem}
.fms-sub{font-size:1rem;color:#6b7280;margin:0 0 2rem;line-height:1.6}
.fms-heading:last-of-type{margin-bottom:2rem}
.fms-stepper{display:flex;position:relative;margin-bottom:2.5rem;justify-content:space-between}
.fms-step{display:flex;flex-direction:column;align-items:center;gap:.5rem;flex:1;position:relative;z-index:1}
.fms-step-circle{width:36px;height:36px;border-radius:50%;background:#e5e5e5;color:#666;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem;transition:background-color .2s,color .2s}
.fms-step--active .fms-step-circle{background:var(--color-accent, #6366f1);color:#fff}
.fms-step-label{font-size:.8125rem;color:#666;text-align:center;font-weight:500}
.fms-step--active .fms-step-label{color:var(--color-accent, #6366f1);font-weight:700}
.fms-step-track{position:absolute;top:18px;left:10%;right:10%;height:2px;background:#e5e5e5;z-index:0}
.fms-panel{display:none;flex-direction:column;gap:1.25rem}
.fms-panel--active{display:flex}
.fms-panel-title{font-size:1.1rem;font-weight:700;color:var(--color-primary, #0a0a0a);margin:0}
.fms-row{display:grid;grid-template-columns:1fr;gap:1.25rem}
.fms-field{display:flex;flex-direction:column;gap:.4rem}
.fms-label{font-size:1rem;font-weight:600;color:var(--color-primary, #0a0a0a)}
.fms-input,.fms-select,.fms-textarea{padding:.7rem .9rem;border:1.5px solid #ddd;border-radius:8px;font-size:1rem;color:var(--color-primary, #0a0a0a);background:#fff;transition:border-color .2s;font-family:inherit;box-sizing:border-box;width:100%}
.fms-input:focus,.fms-select:focus,.fms-textarea:focus{outline:none;border-color:var(--color-accent, #6366f1);box-shadow:0 0 0 3px #6366f11f}
.fms-textarea{resize:vertical;min-height:90px}
.fms-radio-group{display:flex;flex-direction:column;gap:.5rem}
.fms-radio-item{display:flex;align-items:center;gap:.5rem;font-size:1rem;color:#374151;cursor:pointer;padding:.6rem 1rem;background:#f9f9f9;border-radius:8px;border:1.5px solid transparent}
.fms-radio-item:has(input:checked){border-color:var(--color-accent, #6366f1);background:#eef2ff}
.fms-radio{accent-color:var(--color-accent, #6366f1)}
.fms-checks{display:flex;flex-wrap:wrap;gap:.5rem}
.fms-check-item{display:flex;align-items:center;gap:.4rem;padding:.45rem .9rem;background:#f5f5f5;border-radius:20px;font-size:.9375rem;color:#374151;cursor:pointer;border:1.5px solid transparent}
.fms-check-item:has(input:checked){border-color:var(--color-accent, #6366f1);background:#eef2ff;color:var(--color-accent, #6366f1)}
.fms-check{display:none}
.fms-actions{display:flex;justify-content:flex-end;padding-top:.5rem}
.fms-actions--between{justify-content:space-between}
.fms-btn{padding:.8rem 1.5rem;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;border:none;transition:opacity .2s}
.fms-btn--back{background:#f5f5f5;color:#555}
.fms-btn--next{background:var(--color-accent, #6366f1);color:#fff}
.fms-btn--submit{background:#22c55e;color:#fff}
.fms-btn:hover{opacity:.85}
@media(min-width:600px){.fms-row{grid-template-columns:1fr 1fr}}
</style>