/* ==========================================================================
   TERHEGGEN - GLOBALE STYLING (style.css)
   ========================================================================== */
:root { --donkergrijs: #1a1a1a; --lichtgrijs: #f4f4f4; --accentkleur: #b8935a; --wit: #ffffff; --item-breedte: 350px; --item-gap: 20px; --max-breedte-grid: 1100px; --ticker-fade: 150px; }
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Montserrat', sans-serif; scroll-behavior: smooth; }
body { background-color: var(--lichtgrijs); color: var(--donkergrijs); overflow-x: hidden; line-height: 1.6; }

/* --- HEADER & NAVIGATIE --- */
header { position: absolute; top: 0; width: 100%; padding: 25px 50px; display: flex; justify-content: space-between; align-items: center; z-index: 1000; transition: 0.3s; }
body.binnenpagina header { background-color: rgba(26, 26, 26, 0.98) !important; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.logo-social-wrapper { display: flex; align-items: center; gap: 25px; }
.logo-link { display: flex; align-items: center; gap: 15px; text-decoration: none; }
.logo-img { max-height: 50px; width: auto; }
.logo-tekst { font-size: 24px; font-weight: 800; color: var(--wit); letter-spacing: 2px; text-transform: uppercase; }
.header-socials { display: flex; align-items: center; gap: 15px; padding-left: 20px; border-left: 1px solid rgba(255,255,255,0.2); }
.social-icon { color: #888; transition: 0.3s; text-decoration: none; display: flex; align-items: center; }
.social-icon svg { width: 22px; height: 22px; fill: currentColor; }
.social-icon:hover { color: var(--accentkleur); transform: translateY(-2px); }
nav ul { list-style: none; display: flex; gap: 30px; }
nav a { text-decoration: none; color: var(--wit); font-weight: 600; font-size: 13px; text-transform: uppercase; transition: 0.3s; letter-spacing: 1px; }
nav a:hover, nav a.actief { color: var(--accentkleur); }

/* Hamburger menu voor mobiel */
.hamburger { display: none; flex-direction: column; gap: 6px; cursor: pointer; z-index: 1100; }
.hamburger span { display: block; width: 30px; height: 3px; background-color: var(--wit); transition: 0.3s; }
.hamburger.open span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: translateX(-20px); }
.hamburger.open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* --- HERO SECTIE (INDEX) --- */
.hero { position: relative; height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; color: var(--wit); overflow: hidden; background: var(--donkergrijs); }
.achtergrond-video { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; opacity: 0.5; }
.overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 2; }
.hero-tekst { position: relative; z-index: 3; max-width: 1000px; padding: 0 20px; }
.hero-tekst h1 { font-size: clamp(32px, 6vw, 65px); font-weight: 300; margin-bottom: 15px; line-height: 1.1; color: var(--wit); }
.hero-tekst h1 span { font-weight: 800; color: var(--accentkleur); display: block; }
.hero-tekst h2 { font-size: clamp(16px, 2.5vw, 24px); font-weight: 600; margin-bottom: 25px; color: var(--wit); text-transform: uppercase; letter-spacing: 1px; }
.hero-tekst p { font-size: clamp(16px, 2vw, 22px); font-weight: 300; line-height: 1.6; margin-bottom: 35px; color: rgba(255,255,255,0.9); }
.knop-luxe { display: inline-block; padding: 18px 45px; border: 1px solid var(--accentkleur); color: var(--wit); text-decoration: none; text-transform: uppercase; letter-spacing: 2px; font-weight: 600; transition: 0.4s; background: transparent; }
.knop-luxe:hover { background: var(--accentkleur); }

/* --- GLOBALE COMPONENTEN --- */
.sectie-titel { font-size: 32px; font-weight: 300; text-align: center; text-transform: uppercase; margin-bottom: 15px; letter-spacing: 2px; margin-top: 20px; }
.sectie-titel span { color: var(--accentkleur); font-weight: 800; }
.sectie-ondertitel { text-align: center; font-size: 14px; color: #777; margin-bottom: 50px; max-width: 800px; margin-left: auto; margin-right: auto; padding: 0 20px; }



/* --- TICKER SECTIE (INDEX) --- */
.projecten-ticker-sectie { background-color: var(--wit); padding: 100px 0; overflow: hidden; position: relative; }
.ticker-container { max-width: calc((var(--item-breedte) * 5) + (var(--item-gap) * 4)); margin: 0 auto; position: relative; overflow: hidden; }
.ticker-container::before { content: ""; position: absolute; top: 0; width: var(--ticker-fade); height: 100%; z-index: 20; pointer-events: none; left: 0; background: linear-gradient(to right, var(--wit) 0%, transparent 100%); }
.ticker-container::after { content: ""; position: absolute; top: 0; width: var(--ticker-fade); height: 100%; z-index: 20; pointer-events: none; right: 0; background: linear-gradient(to left, var(--wit) 0%, transparent 100%); }
.ticker-track { display: flex; width: max-content; animation: scrollen 45s linear infinite; gap: var(--item-gap); }
.ticker-item { display: block; width: var(--item-breedte); height: 420px; position: relative; flex-shrink: 0; overflow: hidden; border-radius: 4px; text-decoration: none; }
.ticker-item img { width: 100%; height: 100%; object-fit: cover; transition: 1s ease; transform: scale(1.05); filter: brightness(0.9); }
.project-info { position: absolute; bottom: 0; left: 0; width: 100%; padding: 40px 25px; background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0) 100%); z-index: 10; color: var(--wit); }
.project-info h3 { font-size: 17px; text-transform: uppercase; margin-bottom: 5px; transition: 0.4s ease; font-weight: 600; }
@keyframes scrollen { 0% { transform: translateX(0); } 100% { transform: translateX(calc(-50% - (var(--item-gap) / 2))); } }

/* --- EXPERTISE GRID (INDEX) --- */
.grid-sectie { padding: 120px 20px; background-color: var(--lichtgrijs); }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; max-width: var(--max-breedte-grid); margin: 0 auto; }
.base-card { display: block; text-decoration: none; background: var(--wit); border-radius: 4px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.05); transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); border: 1px solid transparent; }
.base-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(184, 147, 90, 0.15); border-color: var(--accentkleur); }
.card-img-wrapper { width: 100%; height: 230px; overflow: hidden; }
.card-img-wrapper img { width: 100%; height: 100%; object-fit: cover; transition: 0.8s ease; }
.card-content { padding: 35px; }
.card-content h3 { font-size: 18px; margin-bottom: 15px; text-transform: uppercase; color: var(--donkergrijs); letter-spacing: 1px; transition: 0.3s; font-weight: 800; }
.card-content p { font-size: 14px; line-height: 1.7; color: #555; }

/* --- GROTIK AANPAK (INDEX) --- */
.aanpak-sectie { padding: 120px 20px; background: linear-gradient(rgba(26, 26, 26, 0.85), rgba(26, 26, 26, 0.85)), url('afbeeldingen/achtergronden/de_Eng.webp') center center / cover fixed; color: var(--wit); }
.sectie-titel-licht { font-size: 32px; font-weight: 300; text-align: center; text-transform: uppercase; margin-bottom: 30px; color: var(--wit); letter-spacing: 2px; }
.sectie-titel-licht span { color: var(--accentkleur); font-weight: 800; }
.aanpak-intro { text-align: center; max-width: 850px; margin: 0 auto 70px; font-size: 16px; color: #ccc; }
.grotik-card { background: rgba(255, 255, 255, 0.04); backdrop-filter: blur(8px); border: 1px solid rgba(255, 255, 255, 0.1); }
.grotik-card h3 { color: var(--wit); }
.grotik-card p { color: #ccc; }
.grotik-letter { display: block; font-size: 52px; font-weight: 800; color: var(--accentkleur); margin-bottom: 15px; line-height: 1; opacity: 0.9; }

/* --- PROJECTEN PAGINA (FILTERS & GRID) --- */
.projecten-container { padding: 120px 5% 100px 5%; background: var(--wit); max-width: 1400px; margin: 0 auto; min-height: 70vh; }
.geavanceerde-filters { margin-bottom: 50px; border-top: 1px solid #eaeaea; border-bottom: 1px solid #eaeaea; padding: 20px 0; }
.filter-rij { display: flex; flex-wrap: wrap; align-items: center; gap: 15px; margin-bottom: 15px; padding-bottom: 15px; border-bottom: 1px dashed #eaeaea; }
.filter-rij:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.filter-label { font-weight: 800; text-transform: uppercase; font-size: 14px; color: var(--donkergrijs); width: 100px; }
.filter-btn { background: transparent; border: 1px solid #d1d1d1; cursor: pointer; font-size: 14px; font-weight: 600; color: #666; padding: 8px 18px; border-radius: 25px; transition: all 0.3s ease; }
.filter-btn:hover { background: #f0f0f0; color: var(--donkergrijs); }
.filter-btn.active { background: var(--accentkleur) !important; color: var(--wit) !important; border: 1px solid var(--accentkleur) !important; box-shadow: 0 4px 10px rgba(184, 147, 90, 0.3); }
.statische-project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.project-card { position: relative; overflow: hidden; border-radius: 8px; aspect-ratio: 4/3; box-shadow: 0 10px 30px rgba(0,0,0,0.05); background: var(--lichtgrijs); transition: opacity 0.4s ease, transform 0.4s ease; opacity: 1; transform: scale(1); }
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.project-card:hover img { transform: scale(1.08); }
.project-card-info { position: absolute; bottom: 0; left: 0; width: 100%; background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%); padding: 40px 20px 20px; color: var(--wit); pointer-events: none; }
.project-card-info h3 { font-size: 20px; margin-bottom: 5px; font-weight: 600; }
.project-card-info p { font-size: 12px; color: var(--accentkleur); text-transform: uppercase; font-weight: 600; letter-spacing: 1px; }
.project-card.verborgen { display: none !important; opacity: 0 !important; }

/* --- FOOTER & CONTACT --- */
.footer { background: var(--donkergrijs); padding: 120px 20px 60px; border-top: 1px solid #222; }
.contact-container { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; max-width: var(--max-breedte-grid); margin: 0 auto; align-items: stretch; }
.contact-info-sectie, .contact-form-sectie { display: flex; flex-direction: column; }
.sectie-titel-footer { font-size: 28px; font-weight: 300; text-transform: uppercase; color: var(--wit); margin-bottom: 45px; letter-spacing: 1px; }
.sectie-titel-footer span { color: var(--accentkleur); font-weight: 800; }
.contact-info p { color: #bbb; margin-bottom: 8px; font-size: 15px; }
.contact-naam { font-weight: 600; color: var(--wit); font-size: 17px; margin-bottom: 15px; text-transform: uppercase; }
.zakelijke-info { border-top: 1px solid #333; padding-top: 25px; margin-bottom: 40px; }
.zakelijke-info p { font-size: 12px; color: #888; text-transform: uppercase; letter-spacing: 1px; }
.maps-wrapper { position: relative; border-radius: 4px; overflow: hidden; box-shadow: 0 20px 50px rgba(0,0,0,0.5); border: 1px solid #333; height: 320px; margin-top: auto; }
.maps-overlay-knop { position: absolute; bottom: 15px; right: 15px; background: var(--accentkleur); color: var(--wit); padding: 12px 22px; text-decoration: none; font-size: 11px; font-weight: 800; text-transform: uppercase; border-radius: 2px; }
.luxe-form { display: flex; flex-direction: column; flex-grow: 1; }
.form-fields { display: flex; flex-direction: column; gap: 30px; }
.form-group { position: relative; }
.form-group input, .form-group textarea { width: 100%; padding: 15px 0; background: transparent; border: none; border-bottom: 1px solid #444; color: var(--wit); font-size: 15px; outline: none; }
.form-group label { position: absolute; top: 15px; left: 0; color: #777; pointer-events: none; transition: 0.3s; text-transform: uppercase; font-size: 10px; letter-spacing: 2px; }
.form-group input:focus ~ label, .form-group input:not(:placeholder-shown) ~ label, .form-group textarea:focus ~ label, .form-group textarea:not(:placeholder-shown) ~ label { top: -15px; font-size: 9px; color: var(--accentkleur); }
.submit-btn { width: 100%; background: var(--accentkleur); border: none; color: var(--wit); cursor: pointer; padding: 20px; margin-top: auto; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; transition: 0.3s; }
.submit-btn:hover { background: var(--wit); color: var(--donkergrijs); }
.copyright-tekst { font-size: 10px; margin-top: 60px; color: #666; text-align: center; text-transform: uppercase; letter-spacing: 1px; border-top: 1px solid #222; padding-top: 30px; }

/* --- LUXE CONTACT LIJST (FOOTER) --- */
.contact-lijst { 
    list-style: none; 
    padding: 0; 
    margin-top: 15px; 
}
.contact-lijst li { 
    display: flex; 
    align-items: center; 
    gap: 12px; 
    margin-bottom: 12px; 
}
.contact-lijst li svg { 
    width: 20px; 
    height: 20px; 
    fill: var(--accentkleur); /* Gouden icoontjes */
    flex-shrink: 0; 
}
.contact-lijst li a { 
    color: #bbb; /* Lichtgrijs, net als de adresgegevens */
    text-decoration: none; /* Geen lelijke onderstreping */
    font-size: 15px; 
    transition: 0.3s; 
}
.contact-lijst li a:hover { 
    color: var(--wit); /* Licht op bij muis erover */
}

/* --- DROPDOWN MENU (EXPERTISE) --- */
.dropdown {
    position: relative; /* Zorgt dat het submenu hieraan vastkleeft */
}

/* Het gouden/bronzen pijltje */
.dropdown-arrow {
    width: 16px;
    height: 16px;
    fill: var(--accentkleur);
    vertical-align: middle;
    margin-left: 2px;
    margin-top: -2px;
    transition: transform 0.3s ease;
}

/* Pijltje omdraaien bij hover */
.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* Het verborgen submenu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(15px); /* Gecentreerd en iets naar onder geschoven */
    background-color: rgba(26, 26, 26, 0.98); /* Zelfde kleur als mobiele header */
    border-top: 3px solid var(--accentkleur);
    list-style: none;
    padding: 10px 0;
    min-width: 240px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    display: flex;
    flex-direction: column;
    gap: 0;
    border-radius: 0 0 4px 4px;
}

/* Submenu tonen bij hover */
.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0); /* Schuift vloeiend op zijn plek */
}

/* De linkjes in het uitklapmenu */
.dropdown-menu a {
    display: block;
    padding: 12px 25px;
    color: #ccc;
    font-size: 12px;
    text-transform: none; /* Kleine letters leest beter voor lange woorden */
    letter-spacing: 0.5px;
    font-weight: 600;
    text-align: center;
    margin-left: 0;
    transition: 0.3s;
}

.dropdown-menu a:hover {
    background-color: rgba(255,255,255,0.05); /* Lichte highlight achtergrond */
    color: var(--accentkleur); /* Gouden tekst bij hover */
}

/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 1100px) { 
    .card-grid { grid-template-columns: repeat(2, 1fr); } 
    .statische-project-grid { grid-template-columns: repeat(2, 1fr); } 
    :root { --ticker-fade: 60px; } 

    header { padding: 15px 20px; background: rgba(26,26,26,0.98); position: fixed; } 
    body.binnenpagina { padding-top: 75px; } 
    body.binnenpagina header { position: fixed; background: rgba(26,26,26,0.98) !important; } 
    .hamburger { display: flex !important; } 
    
    nav { position: absolute; top: 100%; left: 0; width: 100%; background: var(--donkergrijs); height: 0; overflow: hidden; transition: 0.4s; } 
    nav.active { height: auto; padding: 40px 0; border-top: 1px solid #333; } 
    nav ul { flex-direction: column; align-items: center; gap: 25px; } 

/* Mobiele weergave van het Dropdown Menu */
    .dropdown {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .dropdown-menu {
        position: static; /* Haalt hem uit de zwevende modus */
        transform: none !important;
        opacity: 1;
        visibility: visible;
        display: none; /* Standaard verborgen in hamburger */
        background: rgba(255,255,255,0.03); /* Iets lichter vakje voor de sublinks */
        border-top: none;
        box-shadow: inset 0 2px 10px rgba(0,0,0,0.2);
        width: 100%;
        padding: 10px 0;
        margin-top: 15px;
        border-radius: 4px;
    }
    
    /* Als je op mobiel op Expertise tikt, klapt hij open */
    .dropdown.mobiel-open .dropdown-menu {
        display: flex;
    }
    
    /* Zorgt dat het gouden pijltje netjes omdraait als hij open is */
    .dropdown.mobiel-open .dropdown-arrow {
        transform: rotate(180deg);
    }

/* Mobiele Dropdown Pijl: Duidelijker klikbaar maken */
    .dropdown-arrow {
        width: 32px !important;      /* Flink groter gemaakt */
        height: 32px !important;
        padding: 6px;                /* Ruimte om de pijl voor makkelijk tikken */
        margin-left: 10px;
        background-color: rgba(184, 147, 90, 0.15); /* Subtiel bronzen achtergrondje */
        border: 1px solid rgba(184, 147, 90, 0.4);  /* Bronzen randje */
        border-radius: 4px;
    }
}

@media (max-width: 850px) { 
    /* Minder padding aan de zijkanten van het scherm */
    header { padding: 12px 15px; }

    /* Logo & Tekst instellingen */
    .logo-social-wrapper { gap: 5px; } /* Vrijwel geen ruimte tussen tekst en social iconen */
    .logo-link { gap: 6px; } /* Ruimte tussen plaatje en tekst 'Terheggen' kleiner */
    .logo-img { max-height: 28px; } /* Plaatje iets subtieler */
    .logo-tekst { font-size: 16px; letter-spacing: 0px; display: block !important; } /* Tekst MOET in beeld blijven, letter-spacing eruit voor extra ruimte */
    
    /* Socials: Groot, maar heel dicht op elkaar */
    .header-socials { gap: 8px; padding-left: 5px; border-left: none; } 
    .social-icon svg { width: 20px; height: 20px; } /* Iconen lekker groot houden */

    /* Grid naar 1 kolom op telefoons */
    .card-grid { grid-template-columns: 1fr; } 
    .statische-project-grid { grid-template-columns: 1fr; } 
    .contact-container { grid-template-columns: 1fr; gap: 60px; } 
}

@media (max-width: 400px) { 
    /* Voor de écht smalle schermen (zoals iPhone SE) trekken we het nog iets strakker */
    header { padding: 10px 10px; }
    .logo-tekst { font-size: 14px; }
    .logo-img { max-height: 24px; }
    .social-icon svg { width: 18px; height: 18px; }
    .header-socials { gap: 6px; }
}