/* ===== Co Lo Network — huisstijl op basis van logo-kleuren ===== */
:root {
    --navy: #113d60;
    --navy-dark: #0c2d48;
    --navy-darker: #082238;
    --teal: #22b2ad;
    --teal-dark: #1a938f;
    --teal-light: #e5f6f5;
    --ink: #1c2b3a;
    --muted: #5a6b7d;
    --line: #e3e9ef;
    --bg: #ffffff;
    --bg-soft: #f5f8fa;
    --radius: 14px;
    --shadow: 0 10px 40px rgba(12, 45, 72, .10);
    --font-head: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    color: var(--ink);
    background: var(--bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--teal-dark); text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--navy); line-height: 1.2; }

.container { width: min(1180px, 92%); margin: 0 auto; }

/* ===== Knoppen ===== */
.btn {
    display: inline-block;
    padding: .85rem 1.9rem;
    border-radius: 999px;
    font-family: var(--font-head);
    font-weight: 600;
    font-size: .95rem;
    letter-spacing: .02em;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all .25s ease;
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-dark); }
.btn-accent { background: var(--teal); color: #fff; }
.btn-accent:hover { background: var(--teal-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(34, 178, 173, .35); }
.btn-ghost { border-color: rgba(255,255,255,.55); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-sm { padding: .55rem 1.35rem; font-size: .85rem; }
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,.94);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: .8rem 0; }
.brand { display: flex; align-items: center; gap: .8rem; }
.brand-mark { height: 46px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-family: var(--font-head); font-weight: 800; color: var(--navy); font-size: 1.05rem; letter-spacing: .04em; }
.brand-text small { font-family: var(--font-head); font-weight: 600; color: var(--teal); font-size: .7rem; letter-spacing: .28em; }
.main-nav { display: flex; align-items: center; gap: 1.8rem; }
.main-nav a { font-weight: 500; color: var(--ink); font-size: .95rem; transition: color .2s; }
.main-nav a:hover { color: var(--teal-dark); }
.main-nav a.btn { color: #fff; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: .4rem; }
.nav-toggle span { display: block; width: 26px; height: 3px; background: var(--navy); margin: 5px 0; border-radius: 2px; transition: .3s; }

/* ===== Hero ===== */
.hero { position: relative; min-height: 88vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.04); }
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(115deg, rgba(8,34,56,.96) 0%, rgba(12,45,72,.88) 45%, rgba(17,61,96,.55) 100%);
}
.hero-content { position: relative; z-index: 1; max-width: 720px; padding: 7rem 0; }
.kicker {
    display: inline-block;
    font-family: var(--font-head); font-weight: 600; font-size: .8rem;
    letter-spacing: .18em; text-transform: uppercase;
    color: var(--teal); background: rgba(34,178,173,.14);
    border: 1px solid rgba(34,178,173,.4);
    padding: .45rem 1.1rem; border-radius: 999px; margin-bottom: 1.4rem;
}
.hero h1 { color: #fff; font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; margin-bottom: 1.2rem; }
.hero-sub { color: rgba(255,255,255,.85); font-size: 1.15rem; max-width: 600px; margin-bottom: 2.2rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ===== Secties algemeen ===== */
section { scroll-margin-top: 80px; }
.section-kicker {
    font-family: var(--font-head); font-weight: 700; font-size: .8rem;
    letter-spacing: .2em; text-transform: uppercase; color: var(--teal-dark);
    margin-bottom: .6rem;
}
.section-kicker.light { color: var(--teal); }
.section-title { font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin-bottom: 2.6rem; }
.section-title.light { color: #fff; }

/* ===== Intro ===== */
.intro { padding: 5.5rem 0; background: var(--bg); }
.intro-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; align-items: center; }
.intro h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.intro-text { font-size: 1.1rem; color: var(--muted); border-left: 4px solid var(--teal); padding-left: 1.6rem; }

/* ===== Diensten ===== */
.services { padding: 5.5rem 0; background: var(--bg-soft); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.8rem; }
.service-card {
    background: #fff; border-radius: var(--radius); overflow: hidden;
    border: 1px solid var(--line);
    transition: transform .3s ease, box-shadow .3s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.service-img { height: 180px; overflow: hidden; }
.service-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.service-card:hover .service-img img { transform: scale(1.06); }
.service-body { padding: 1.6rem 1.6rem 1.9rem; position: relative; }
.service-icon {
    position: absolute; top: -28px; right: 1.4rem;
    width: 56px; height: 56px; border-radius: 14px;
    background: var(--navy); color: var(--teal);
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 8px 20px rgba(12,45,72,.28);
}
.service-icon svg { width: 26px; height: 26px; }
.service-body h3 { font-size: 1.15rem; margin-bottom: .6rem; padding-right: 3.4rem; }
.service-body p { color: var(--muted); font-size: .95rem; }

/* ===== Features (donkere band) ===== */
.features { padding: 5.5rem 0; background: linear-gradient(135deg, var(--navy-darker), var(--navy)); }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.6rem; }
.feature {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius); padding: 1.8rem 1.5rem;
    transition: background .3s;
}
.feature:hover { background: rgba(255,255,255,.09); }
.feature-icon {
    width: 52px; height: 52px; border-radius: 12px; margin-bottom: 1.1rem;
    background: rgba(34,178,173,.16); color: var(--teal);
    display: flex; align-items: center; justify-content: center;
}
.feature-icon svg { width: 26px; height: 26px; }
.feature h3 { color: #fff; font-size: 1.05rem; margin-bottom: .5rem; }
.feature p { color: rgba(255,255,255,.72); font-size: .92rem; }

/* ===== Portfolio ===== */
.portfolio { padding: 5.5rem 0; }
.portfolio-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.8rem; }
.portfolio-card {
    position: relative; border-radius: var(--radius); overflow: hidden;
    height: 320px; box-shadow: 0 4px 18px rgba(12,45,72,.08);
}
.portfolio-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.portfolio-card:hover img { transform: scale(1.05); }
.portfolio-overlay {
    position: absolute; inset: auto 0 0 0; padding: 1.6rem;
    background: linear-gradient(to top, rgba(8,34,56,.95) 20%, rgba(8,34,56,.6) 70%, transparent);
    color: #fff;
}
.portfolio-cat {
    display: inline-block; font-family: var(--font-head); font-weight: 600;
    font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
    background: var(--teal); color: #fff; padding: .25rem .8rem;
    border-radius: 999px; margin-bottom: .6rem;
}
.portfolio-overlay h3 { color: #fff; font-size: 1.25rem; margin-bottom: .35rem; }
.portfolio-overlay p { font-size: .92rem; color: rgba(255,255,255,.85); }

/* ===== Over ons ===== */
.about { padding: 5.5rem 0; background: var(--bg-soft); }
.about-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3.5rem; align-items: center; }
.about-img { position: relative; }
.about-img img { border-radius: var(--radius); box-shadow: var(--shadow); }
.about-img::after {
    content: ''; position: absolute; inset: 2rem -1.4rem -1.4rem 2rem;
    border: 3px solid var(--teal); border-radius: var(--radius); z-index: -1;
}
.about-body h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); margin-bottom: 1.1rem; }
.about-body > p { color: var(--muted); margin-bottom: 1.6rem; }
.checklist { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: .8rem 1.5rem; }
.checklist li { display: flex; align-items: center; gap: .6rem; font-weight: 500; font-size: .95rem; }
.checklist svg { width: 20px; height: 20px; color: var(--teal); flex-shrink: 0; }

/* ===== Contact ===== */
.contact { padding: 5.5rem 0; background: linear-gradient(150deg, var(--navy-darker), var(--navy) 70%); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; }
.contact-info h2 { color: #fff; font-size: clamp(1.7rem, 3vw, 2.3rem); margin-bottom: 1rem; }
.contact-info > p { color: rgba(255,255,255,.8); margin-bottom: 2rem; }
.contact-details { display: flex; flex-direction: column; gap: 1.3rem; margin-bottom: 2rem; }
.contact-detail { display: flex; gap: 1rem; color: rgba(255,255,255,.85); }
.contact-detail svg { width: 24px; height: 24px; color: var(--teal); flex-shrink: 0; margin-top: .2rem; }
.contact-detail strong { color: #fff; font-family: var(--font-head); font-size: .95rem; }
.contact-detail a { color: var(--teal); }
.map-embed { border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(255,255,255,.15); }
.map-embed iframe { width: 100%; height: 240px; border: 0; display: block; filter: grayscale(25%); }

.contact-form-wrap {
    background: #fff; border-radius: var(--radius); padding: 2.4rem;
    box-shadow: 0 20px 60px rgba(0,0,0,.25);
    align-self: start;
}
.contact-form-wrap h3 { font-size: 1.35rem; margin-bottom: 1.4rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; font-weight: 600; font-size: .85rem; margin-bottom: .35rem; color: var(--navy); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: .75rem .95rem;
    border: 1.5px solid var(--line); border-radius: 10px;
    font-family: var(--font-body); font-size: .95rem; color: var(--ink);
    background: var(--bg-soft);
    transition: border-color .2s, background .2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--teal); background: #fff;
    box-shadow: 0 0 0 3px rgba(34,178,173,.15);
}
.form-group textarea { resize: vertical; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; }
.form-status { margin-top: 1rem; font-size: .92rem; font-weight: 500; display: none; padding: .8rem 1rem; border-radius: 10px; }
.form-status.ok { display: block; background: var(--teal-light); color: var(--teal-dark); }
.form-status.err { display: block; background: #fdeaea; color: #b3362c; }
.btn[disabled] { opacity: .6; cursor: wait; transform: none !important; }

/* ===== Footer ===== */
.site-footer { background: var(--navy-darker); color: rgba(255,255,255,.75); }
.footer-grid {
    display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 2.5rem; padding: 3.5rem 0 2.5rem;
}
.footer-logo { height: 54px; margin-bottom: 1rem; }
.footer-brand p { font-size: .92rem; }
.footer-brand strong { color: #fff; }
.site-footer h4 {
    color: #fff; font-size: .85rem; letter-spacing: .12em;
    text-transform: uppercase; margin-bottom: .9rem;
}
.site-footer p { font-size: .92rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: .45rem; }
.footer-links a, .site-footer a { color: rgba(255,255,255,.75); font-size: .92rem; transition: color .2s; }
.footer-links a:hover, .site-footer a:hover { color: var(--teal); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 1.2rem 0; font-size: .85rem; }

/* ===== Scroll-animaties ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .intro-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .about-img::after { display: none; }
}
@media (max-width: 680px) {
    .services-grid, .portfolio-grid, .features-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-content { padding: 5rem 0; }
    .brand-text strong { font-size: .9rem; }
    .nav-toggle { display: block; }
    .main-nav {
        display: none; position: absolute; top: 100%; left: 0; right: 0;
        flex-direction: column; background: #fff; padding: 1.4rem 5%;
        border-bottom: 1px solid var(--line); gap: 1.1rem; align-items: flex-start;
        box-shadow: 0 16px 30px rgba(12,45,72,.12);
    }
    .main-nav.open { display: flex; }
}