/* Section // Industrial Luxe Styling — Loodgieter */
:root {
    --copper:        #b87333;
    --copper-light:  #d4956a;
    --copper-dark:   #7a4f2a;
    --copper-glow:   rgba(184,115,51,0.18);
    --dark:          #0a0808;
    --dark2:         #120e0c;
    --white:         #ffffff;
    --text-muted:    rgba(255,255,255,0.55);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
:focus-visible { outline: 2px solid var(--copper); outline-offset: 3px; }

html { scroll-behavior: smooth; scroll-padding-top: 82px; }

/* ── Koperen leidingen achtergrond ──────────────────────── */
body {
    background-color: var(--dark);
    color: var(--white);
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    /*
     * Laag 1: vignette (donkere hoeken = diepte)
     * Laag 2: centrale glow (warm koper in het hart)
     * Laag 3: horizontale leidingen (grote buizen, voorgrond)
     * Laag 4: verticale leidingen (kleine buizen, achtergrond)
     */
    background-image:
        radial-gradient(ellipse 120% 120% at 50% 50%, transparent 30%, rgba(8,5,4,0.85) 100%),
        radial-gradient(ellipse 60% 50% at 50% 35%, rgba(184,115,51,0.07) 0%, transparent 65%),
        /* Horizontale leiding met T-stuk en moer */
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='80'%3E%3C!-- Hoofdleiding horizontaal --%3E%3Crect x='0' y='34' width='120' height='12' rx='2' fill='none' stroke='%23b87333' stroke-opacity='.22' stroke-width='1.2'/%3E%3C!-- T-stuk naar beneden --%3E%3Crect x='54' y='46' width='12' height='34' rx='2' fill='none' stroke='%23b87333' stroke-opacity='.22' stroke-width='1.2'/%3E%3C!-- Moer / koppeling --%3E%3Crect x='50' y='30' width='20' height='20' rx='3' fill='none' stroke='%23b87333' stroke-opacity='.32' stroke-width='1.4'/%3E%3C/svg%3E"),
        /* Verticale leiding met elbow */
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='120'%3E%3C!-- Hoofdleiding verticaal --%3E%3Crect x='34' y='0' width='12' height='120' rx='2' fill='none' stroke='%23b87333' stroke-opacity='.10' stroke-width='.8'/%3E%3C!-- Elbow rechtsboven --%3E%3Cpath d='M46,28 Q62,28 62,44' fill='none' stroke='%23b87333' stroke-opacity='.12' stroke-width='.8'/%3E%3Crect x='60' y='44' width='20' height='8' rx='1.5' fill='none' stroke='%23b87333' stroke-opacity='.10' stroke-width='.7'/%3E%3C/svg%3E");
    background-size: 100% 100%, 100% 100%, 120px 80px, 80px 120px;
    background-attachment: fixed;
    background-position: 0 0, 0 0, 0 0, 40px 20px;
}

h1, h2 { font-family: 'Big Shoulders Display', sans-serif; text-transform: uppercase; }

/* ── Navigatie ─────────────────────────────────────────────── */
.glass-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.3rem 6%;
    position: fixed;
    width: 100%;
    z-index: 1000;
    background: rgba(10,8,8,0.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(184,115,51,0.15);
    transition: background 0.35s;
}
.glass-nav.scrolled {
    background: rgba(8,6,5,0.97);
    border-bottom-color: rgba(184,115,51,0.25);
}

.logo {
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: 3px;
    font-family: 'Big Shoulders Display', sans-serif;
    text-transform: uppercase;
    position: relative;
    z-index: 1001;
}
.logo span { color: var(--copper); }

/* Desktop nav links */
.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}
.nav-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.72rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 600;
    transition: color 0.25s;
}
.nav-links a:hover { color: var(--copper-light); }
.btn-cta {
    border: 1px solid var(--copper) !important;
    padding: 0.55rem 1.4rem !important;
    color: var(--copper) !important;
    transition: background 0.3s, color 0.3s !important;
}
.btn-cta:hover { background: var(--copper) !important; color: #000 !important; }

/* Hamburger knop */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.55rem;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    position: relative;
}
.hamburger .bar {
    display: block;
    width: 22px;
    height: 1.8px;
    background: var(--copper);
    border-radius: 2px;
    transition: transform 0.35s ease, opacity 0.2s ease, width 0.3s ease;
    transform-origin: center;
}
.hamburger[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(6.8px) rotate(45deg); }
.hamburger[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; width: 0; }
.hamburger[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-6.8px) rotate(-45deg); }

/* Mobile dropdown */
.mobile-menu {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(8,6,5,0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.mobile-menu.open {
    opacity: 1;
    pointer-events: auto;
}
.mobile-menu a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 1.4rem;
    font-family: 'Big Shoulders Display', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 4px;
    transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--copper-light); }
.mobile-menu a.mob-cta {
    border: 1px solid var(--copper);
    padding: 0.8rem 2.5rem;
    color: var(--copper);
}
.mobile-menu a.mob-cta:hover { background: var(--copper); color: #000; }

/* ── Hero ─────────────────────────────────────────────────── */
.hero-premium {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 8%;
    background: url('images/hero-bg.jpg') center/cover no-repeat;
    position: relative;
    overflow: hidden;
}
.hero-premium::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, rgba(8,5,4,0.92) 0%, rgba(8,5,4,0.55) 55%, transparent 100%);
    z-index: 1;
}
/* Leiding diagonaal door de hero */
.hero-premium::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    background:
        radial-gradient(ellipse 45% 60% at 75% 55%, rgba(184,115,51,0.09) 0%, transparent 60%);
}

.hero-bg-overlay { display: none; }

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 780px;
}
.tagline {
    text-transform: uppercase;
    letter-spacing: 5px;
    color: var(--copper);
    font-weight: 600;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}
.tagline::before {
    content: '';
    display: inline-block;
    width: 36px;
    height: 1px;
    background: var(--copper);
}
.hero-content h1 {
    font-size: clamp(3rem, 7vw, 6rem);
    line-height: 0.92;
    margin: 1.4rem 0 1.6rem;
}
.gold-text { color: var(--copper); }
.hero-content p {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 480px;
    line-height: 1.8;
    margin-bottom: 2.4rem;
}
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary {
    display: inline-block;
    padding: 1rem 2.4rem;
    background: var(--copper);
    color: #000;
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    transition: background 0.3s, transform 0.2s;
    font-family: 'Montserrat', sans-serif;
}
.btn-primary:hover { background: var(--copper-light); transform: translateY(-2px); }
.btn-secondary {
    display: inline-block;
    padding: 1rem 2.4rem;
    border: 1px solid var(--copper);
    color: var(--copper);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    transition: background 0.3s, color 0.3s;
    font-family: 'Montserrat', sans-serif;
}
.btn-secondary:hover { background: var(--copper); color: #000; }

/* ── Gedeelde sectie-stijl ─────────────────────────────────── */
.section-heading {
    text-align: center;
    margin-bottom: 4rem;
}
.section-heading h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    letter-spacing: 2px;
}
.section-heading h2 span { color: var(--copper); }
.divider {
    width: 60px;
    height: 2px;
    background: var(--copper);
    margin: 1.2rem auto 0;
    position: relative;
}
.divider::before, .divider::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--copper);
}
.divider::before { left: -10px; }
.divider::after  { right: -10px; }

/* ── Diensten / USP-balk ──────────────────────────────────── */
.diensten-balk {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    border-top: 1px solid rgba(184,115,51,0.18);
    border-bottom: 1px solid rgba(184,115,51,0.18);
    background: rgba(18,14,12,0.8);
}
.dienst-item {
    padding: 2.2rem 2rem;
    border-right: 1px solid rgba(184,115,51,0.12);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.dienst-item:last-child { border-right: none; }
.dienst-icon { font-size: 2rem; }
.dienst-item h3 {
    font-family: 'Big Shoulders Display', sans-serif;
    font-size: 1.1rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--copper-light);
}
.dienst-item p {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ── Over Ons ───────────────────────────────────────────────── */
.over-ons {
    padding: 8rem 8%;
    position: relative;
    overflow: hidden;
}
.over-ons::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 50% 80% at 10% 50%, rgba(184,115,51,0.07) 0%, transparent 60%),
        radial-gradient(ellipse 40% 60% at 90% 50%, rgba(184,115,51,0.04) 0%, transparent 60%);
}
.over-ons-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}
.over-ons-visual {
    position: relative;
}
.over-ons-img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    display: block;
    filter: grayscale(20%);
}
/* Koperen rand-accent op de afbeelding */
.over-ons-visual::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 1px solid rgba(184,115,51,0.35);
    z-index: -1;
}
.over-ons-visual::after {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    width: 60px;
    height: 60px;
    border-top: 2px solid var(--copper);
    border-left: 2px solid var(--copper);
}
.over-ons-text { display: flex; flex-direction: column; gap: 1.4rem; }
.over-ons-keurmerk {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(184,115,51,0.1);
    border: 1px solid rgba(184,115,51,0.25);
    padding: 0.4rem 1rem;
    font-size: 0.65rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--copper);
    width: fit-content;
}
.over-ons-text h2 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1; letter-spacing: 1px; }
.over-ons-text h2 span { color: var(--copper); }
.over-ons-text p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.85; }
.stats-row {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(184,115,51,0.15);
}
.stat-item { display: flex; flex-direction: column; gap: 0.2rem; }
.stat-num {
    font-family: 'Big Shoulders Display', sans-serif;
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--copper);
    line-height: 1;
}
.stat-label { font-size: 0.68rem; letter-spacing: 2px; text-transform: uppercase; color: var(--text-muted); }

/* ── Portfolio ──────────────────────────────────────────────── */
.portfolio-luxe {
    padding: 8rem 8%;
    background: rgba(12,9,8,0.7);
    position: relative;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}
.card {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/5;
    background: var(--dark2);
    border: 1px solid rgba(184,115,51,0.1);
    transition: border-color 0.3s;
}
.card:hover { border-color: rgba(184,115,51,0.4); }
.card img { width: 100%; height: 100%; object-fit: cover; transition: 0.8s; opacity: 0.7; }
.card:hover img { transform: scale(1.08); opacity: 1; }
.card-overlay {
    position: absolute;
    bottom: 0; left: 0; padding: 1.8rem;
    width: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.92), transparent);
}
.card-overlay span {
    font-family: 'Big Shoulders Display', sans-serif;
    font-size: 1.1rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.2rem;
}
.card-overlay p { font-size: 0.72rem; color: var(--copper-light); letter-spacing: 1px; }
/* Koperen hoek-accent */
.card::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 0; height: 0;
    border-top: 30px solid rgba(184,115,51,0.55);
    border-left: 30px solid transparent;
    z-index: 2;
}

/* ── Contact ────────────────────────────────────────────────── */
.mail-contact {
    padding: 8rem 8%;
    position: relative;
    background: rgba(8,5,4,0.6);
}
.contact-box {
    max-width: 900px;
    margin: 0 auto;
    background: rgba(18,14,12,0.8);
    padding: 4rem;
    border: 1px solid rgba(184,115,51,0.15);
    border-top: 2px solid var(--copper);
    backdrop-filter: blur(10px);
    box-shadow: 0 40px 80px rgba(0,0,0,0.5), inset 0 1px 0 rgba(184,115,51,0.15);
}
.contact-header { margin-bottom: 3rem; }
.contact-header h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: 2px; }
.contact-header h2 span { color: var(--copper); }
.contact-header p { color: var(--text-muted); font-size: 0.85rem; margin-top: 0.5rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }

.service-selector { margin-bottom: 2rem; }
.service-selector > label {
    display: block;
    margin-bottom: 1rem;
    color: var(--copper);
    text-transform: uppercase;
    font-size: 0.68rem;
    letter-spacing: 2px;
}
.radio-group { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.radio-btn input { display: none; }
.radio-btn span {
    border: 1px solid rgba(255,255,255,0.12);
    padding: 0.6rem 1.2rem;
    display: inline-block;
    cursor: pointer;
    font-size: 0.75rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: 0.25s;
    color: rgba(255,255,255,0.6);
}
.radio-btn span:hover { border-color: var(--copper); color: var(--copper); }
.radio-btn input:checked + span { background: var(--copper); color: #000; border-color: var(--copper); }

input, textarea {
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255,255,255,0.12);
    padding: 0.9rem 0;
    color: #fff;
    width: 100%;
    font-size: 0.88rem;
    font-family: 'Montserrat', sans-serif;
    transition: border-color 0.3s;
}
input::placeholder, textarea::placeholder { color: rgba(255,255,255,0.3); font-size: 0.82rem; }
input:focus, textarea:focus { border-bottom-color: var(--copper); outline: none; }

.btn-submit {
    margin-top: 2.5rem;
    width: 100%;
    padding: 1.3rem;
    background: var(--copper);
    border: none;
    color: #000;
    font-weight: 800;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    transition: background 0.3s, letter-spacing 0.3s;
}
.btn-submit:hover { background: var(--copper-light); letter-spacing: 4px; }

/* ── Footer ──────────────────────────────────────────────────── */
footer {
    background: rgba(5,3,2,0.95);
    padding: 3rem 8%;
    border-top: 1px solid rgba(184,115,51,0.18);
}
.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-logo {
    font-family: 'Big Shoulders Display', sans-serif;
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 3px;
    text-transform: uppercase;
}
.footer-logo span { color: var(--copper); }
.footer-info p { font-size: 0.75rem; color: var(--text-muted); line-height: 2; }
.footer-bottom {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.2);
    text-align: center;
}
.footer-bottom a { color: var(--copper); text-decoration: none; opacity: 0.8; }
.footer-bottom a:hover { opacity: 1; }

/* WhatsApp */
.whatsapp-btn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 54px;
    z-index: 100;
    filter: drop-shadow(0 8px 24px rgba(0,0,0,0.55));
    transition: transform 0.25s;
}
.whatsapp-btn:hover { transform: scale(1.1); }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 992px) {
    .nav-links { display: none; }
    .hamburger { display: flex; }
    .over-ons-inner { grid-template-columns: 1fr; gap: 3rem; }
    .over-ons-visual { max-width: 420px; }
    .contact-box { padding: 2.5rem 1.8rem; }
    .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
    .hero-premium { padding: 0 6%; }
    .over-ons, .portfolio-luxe, .mail-contact { padding: 5rem 6%; }
    .dienst-item { border-right: none; border-bottom: 1px solid rgba(184,115,51,0.12); }
    .dienst-item:last-child { border-bottom: none; }
    .footer-top { flex-direction: column; align-items: flex-start; }
    .stats-row { gap: 1.5rem; }
}