/* ============================================
   Urban Flora - Groene Gevels
   Eenvoudige, schone stylesheet
   ============================================ */

:root {
    --groen: #394a26;
    --groen-donker: #394a26;
    --groen-licht: #e5e8df;
    --donker: #1c2b1c;
    --tekst: #3e4a3e;
    --grijs: #f5f7f5;
    --wit: #ffffff;
    --rand: #dde5dd;
    --schaduw: 0 4px 20px rgba(0, 0, 0, .08);
    --radius: 10px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Arial, Helvetica, sans-serif;
    color: var(--tekst);
    line-height: 1.7;
    background: var(--wit);
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3 {
    color: var(--donker);
    line-height: 1.3;
}

h1 { font-size: 2.4rem; }
h2 { font-size: 1.9rem; margin-bottom: 20px; }
h3 { font-size: 1.2rem; margin-bottom: 10px; }

p { margin-bottom: 15px; }

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

a:hover {
    color: var(--groen-donker);
}

/* ===== Knoppen ===== */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all .3s ease;
    font-size: 1rem;
}

.btn-groen {
    background: var(--groen);
    color: var(--wit);
}

.btn-groen:hover {
    background: var(--groen-donker);
    color: var(--wit);
}

.btn-omtrek {
    background: transparent;
    border-color: var(--groen);
    color: var(--groen);
}

.btn-omtrek:hover {
    background: var(--groen);
    color: var(--wit);
}

/* ===== Navigatie ===== */
.header {
    background: var(--wit);
    border-bottom: 1px solid var(--rand);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

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

.logo span {
    color: var(--groen-donker);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: var(--tekst);
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--groen);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 26px;
    height: 3px;
    background: var(--donker);
    border-radius: 3px;
}

/* ===== Hero ===== */
.hero {
    background: linear-gradient(135deg, var(--groen-donker), var(--groen));
    color: var(--wit);
    text-align: center;
    padding: 100px 20px;
}

.hero h1 {
    color: var(--wit);
    font-size: 2.8rem;
    margin-bottom: 15px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 650px;
    margin: 0 auto 30px;
    opacity: .95;
}

.hero .btn-omtrek {
    border-color: var(--wit);
    color: var(--wit);
}

.hero .btn-omtrek:hover {
    background: var(--wit);
    color: var(--groen-donker);
}

/* ===== Secties ===== */
.section {
    padding: 70px 0;
}

.section-grijs {
    background: var(--grijs);
}

.section-titel {
    text-align: center;
    margin-bottom: 40px;
}

.section-titel p {
    max-width: 650px;
    margin: 0 auto;
    color: var(--tekst);
}

/* ===== Kaarten / Diensten ===== */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.card {
    background: var(--wit);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--schaduw);
    border: 1px solid var(--rand);
    transition: transform .3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card-icon {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

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

.card p {
    color: var(--tekst);
    font-size: .95rem;
    margin-bottom: 0;
}

/* ===== Voordelen / Over Ons ===== */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.voordelen-lijst {
    list-style: none;
}

.voordelen-lijst li {
    padding: 8px 0;
    padding-left: 30px;
    position: relative;
}

.voordelen-lijst li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--groen);
    font-weight: 700;
}

/* ===== CTA ===== */
.cta {
    background: var(--groen-donker);
    color: var(--wit);
    text-align: center;
    padding: 70px 20px;
}

.cta h2 {
    color: var(--wit);
}

.cta p {
    max-width: 600px;
    margin: 0 auto 25px;
    opacity: .9;
}

/* ===== Contactformulier ===== */
.formulier {
    max-width: 600px;
    margin: 0 auto;
    background: var(--wit);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--schaduw);
    border: 1px solid var(--rand);
}

.form-groep {
    margin-bottom: 20px;
}

.form-groep label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
}

.form-groep input,
.form-groep textarea,
.form-groep select {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--rand);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
}

.form-groep input:focus,
.form-groep textarea:focus,
.form-groep select:focus {
    outline: none;
    border-color: var(--groen);
}

.form-groep textarea {
    min-height: 140px;
    resize: vertical;
}

.form-bericht {
    background: var(--groen-licht);
    color: var(--groen-donker);
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
}

.form-bericht.zichtbaar {
    display: block;
}

/* ===== Contactgegevens ===== */
.contact-blok {
    max-width: 600px;
    margin: 0 auto 40px;
    text-align: center;
}

.contact-item {
    display: inline-block;
    margin: 10px 20px;
    font-size: 1.05rem;
}

/* ===== Pagina-header (subpagina's) ===== */
.pagina-header {
    background: linear-gradient(135deg, var(--groen-donker), var(--groen));
    color: var(--wit);
    text-align: center;
    padding: 60px 20px;
}

.pagina-header h1 {
    color: var(--wit);
}

/* ===== Footer ===== */
.footer {
    background: var(--donker);
    color: rgba(255, 255, 255, .7);
    padding: 40px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 30px;
}

.footer h3 {
    color: var(--wit);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.footer-logo {
    height: 60px;
    width: auto;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: rgba(255, 255, 255, .7);
}

.footer-links a:hover {
    color: var(--wit);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding-top: 20px;
    text-align: center;
    font-size: .9rem;
}

/* ===== Responsief ===== */
@media (max-width: 900px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-2 {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--wit);
        flex-direction: column;
        gap: 0;
        border-bottom: 1px solid var(--rand);
        box-shadow: var(--schaduw);
        display: none;
    }

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

    .nav-links li {
        width: 100%;
        text-align: center;
    }

    .nav-links a {
        display: block;
        padding: 15px 20px;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 70px 20px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    h1 { font-size: 1.9rem; }
    h2 { font-size: 1.5rem; }
}