:root {
    --black: #000000;
    --white: #ffffff;
    --grey: #f8f8f8;
    --accent: #111111;
    --border: #eeeeee;
    --max-width: 1200px;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Plus Jakarta Sans', sans-serif; color: var(--black); line-height: 1.6; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 40px; }
.section { padding: 120px 0; border-bottom: 1px solid var(--border); }
.bg-grey { background-color: var(--grey); }

/* --- NAVIGATIE 2.0: Command Center --- */
.navbar {
    height: 90px; /* Iets hoger voor meer ademruimte */
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(0,0,0,0.05); /* Heel subtiel lijntje */
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95); /* Bijna solid wit */
    backdrop-filter: blur(10px); /* Glas effect voor alles erachter */
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-flex {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Het Merk */
.logo {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -1px;
    color: var(--black);
    text-decoration: none;
    position: relative;
    z-index: 10;
}

/* De Navigatie Links Container */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px; /* Ruimte tussen links */
}

/* De Links zelf */
.nav-link {
    text-decoration: none;
    color: #666;
    font-weight: 600;
    font-size: 0.9rem;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--black);
}

/* Subtiel streepje onder link bij hover */
.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--black);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* De Actie Knoppen (Rechts) */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* De Login Knop (Outlined style) */
.btn-login-nav {
    display: inline-block;
    padding: 10px 24px;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--black);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-login-nav:hover {
    border-color: var(--black);
    background-color: var(--black);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Mobiele aanpassing */
@media (max-width: 768px) {
    .nav-menu { display: none; } /* Voor nu verbergen we links op mobiel */
    .btn-login-nav { padding: 8px 16px; font-size: 0.8rem; }
}

/* Hero */
.hero { padding: 160px 0 100px; }
.hero-content { max-width: 900px; }
.tagline { display: block; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; font-size: 0.8rem; margin-bottom: 24px; color: #777; }
h1 { font-size: clamp(3rem, 7vw, 5.5rem); line-height: 0.95; font-weight: 800; letter-spacing: -3px; margin-bottom: 32px; }
.lead { font-size: 1.5rem; color: #555; max-width: 650px; margin-bottom: 48px; font-weight: 400; }

/* Buttons */
.btn { display: inline-block; padding: 20px 40px; border-radius: 4px; text-decoration: none; font-weight: 700; transition: var(--ease); font-size: 1rem; }
.btn-dark { background: var(--black); color: var(--white); }
.btn-dark:hover { transform: translateY(-3px); box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
.availability { margin-left: 20px; font-size: 0.85rem; color: #008a00; font-weight: 600; }

/* Problem Section (The Why) */
/* Nieuwe Problem Section Styling */
.problem-section {
    background-color: #fafafa; /* Zeer licht grijs voor contrast met wit */
    padding: 120px 0;
}

.center-text { text-align: center; max-width: 800px; margin: 0 auto 60px; }
.section-lead { font-size: 1.1rem; color: #666; margin-top: 15px; }

/* De 3 Probleem Kaarten */
.problems-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.problem-card {
    background: #ffffff;
    padding: 40px;
    border: 1px solid #eee;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    border-color: #000;
}

.problem-card h3 { font-size: 1.25rem; margin-bottom: 15px; font-weight: 700; }
.problem-card p { font-size: 0.95rem; color: #666; line-height: 1.6; }

/* HET RENOVATIE BLOK (De "Mooiere" toevoeging) */
.renovation-block {
    background-color: #000000; /* Diep zwart voor contrast */
    color: #ffffff;
    padding: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.renovation-text { max-width: 600px; z-index: 2; }

.badge-outline {
    display: inline-block;
    border: 1px solid rgba(255,255,255,0.3);
    padding: 5px 12px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    color: #ccc;
}

.renovation-text h3 { font-size: 2rem; margin-bottom: 15px; }
.renovation-text p { font-size: 1.1rem; color: #aaa; }

.big-arrow {
    font-size: 4rem;
    color: #fff;
    opacity: 0.2;
    transition: 0.3s;
}

.renovation-block:hover .big-arrow {
    opacity: 1;
    transform: translateX(10px);
}

/* Responsief */
@media (max-width: 900px) {
    .problems-row { grid-template-columns: 1fr; }
    .renovation-block { flex-direction: column; text-align: left; padding: 40px; }
    .big-arrow { display: none; } /* Pijl weg op mobiel voor rust */
}

/* SERVICES 2.0 - Premium Focus Cards */
.services-section {
    background-color: #f4f4f4; /* Iets warmer grijs */
    position: relative;
}

.tagline-dark {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
    color: #000;
}

.services-grid-premium {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px; /* Strakke tussenruimte */
    margin-bottom: 60px;
}

.service-card-premium {
    background: var(--white);
    padding: 40px 30px;
    border: 1px solid rgba(0,0,0,0.05);
    position: relative;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 320px;
    cursor: default;
}

/* De Nummering (01, 02...) */
.service-num {
    font-size: 0.9rem;
    font-weight: 700;
    color: #ddd;
    margin-bottom: 30px;
    display: block;
    transition: 0.3s;
}

.service-content h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    line-height: 1.1;
    transition: 0.3s;
}

.service-content p {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
    transition: 0.3s;
}

/* De verborgen actie knop */
.service-action {
    margin-top: 30px;
    font-weight: 700;
    font-size: 0.9rem;
    opacity: 0;
    transform: translateY(10px);
    transition: 0.4s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* HOVER EFFECT: THE INVERT */
.service-card-premium:hover {
    background: var(--black);
    transform: translateY(-5px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.15);
    border-color: var(--black);
}

.service-card-premium:hover .service-num { color: #555; }
.service-card-premium:hover h3 { color: var(--white); }
.service-card-premium:hover p { color: #aaa; }

.service-card-premium:hover .service-action {
    opacity: 1;
    transform: translateY(0);
    color: var(--white);
}

/* Footer onder services */
.services-footer {
    text-align: center;
    margin-top: 40px;
    font-size: 1.1rem;
    color: #666;
}

.link-underline {
    color: var(--black);
    font-weight: 700;
    text-decoration: none;
    border-bottom: 2px solid var(--black);
    margin-left: 10px;
    transition: 0.3s;
}
.link-underline:hover {
    color: #555;
    border-color: #555;
}

/* Responsief */
@media (max-width: 900px) {
    .services-grid-premium { grid-template-columns: 1fr; }
    .service-card-premium { min-height: auto; padding: 40px; }
    .service-action { opacity: 1; transform: translateY(0); margin-top: 20px; } /* Altijd zichtbaar op mobiel */
    .services-footer { font-size: 0.9rem; }
}

/* CTA IMPACT ZONE */
.cta-impact {
    background-color: var(--black); /* Terug naar diep zwart */
    color: var(--white);
    padding: 160px 0;
    overflow: hidden;
    position: relative;
}

/* Subtiele achtergrond tekst voor die 'Agency' look */
.cta-impact::before {
    content: "OBSIDIA";
    position: absolute;
    bottom: -20px;
    right: -20px;
    font-size: 15vw;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.03);
    pointer-events: none;
    line-height: 1;
}

.impact-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 60px;
}

.impact-content { flex: 1; }

.impact-label {
    display: block;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.impact-heading {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1;
    font-weight: 800;
    letter-spacing: -3px;
    margin-bottom: 30px;
}

.impact-subtext {
    font-size: 1.25rem;
    color: #888;
    max-width: 500px;
    margin-bottom: 0;
}

/* De Mega Button */
.btn-mega {
    display: inline-block;
    background: var(--white);
    color: var(--black);
    padding: 30px 60px;
    font-size: 1.2rem;
    font-weight: 800;
    text-decoration: none;
    border-radius: 0; /* Strakke hoeken ogen zakelijker */
    transition: all 0.4s var(--ease);
    text-align: center;
}

.btn-mega:hover {
    background: transparent;
    color: var(--white);
    outline: 2px solid var(--white);
    transform: scale(1.05);
}

.response-time {
    margin-top: 20px;
    font-size: 0.8rem;
    color: #555;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
}

/* Mobiel: Alles onder elkaar en gecentreerd */
@media (max-width: 900px) {
    .impact-wrapper {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }
    
    .impact-action {
        width: 100%;
    }
    
    .btn-mega {
        width: 100%;
        padding: 24px;
    }
}

/* Footer */
.footer { padding: 40px 0; }
.footer-flex { display: flex; justify-content: space-between; align-items: center; color: #999; font-size: 0.9rem; }

/* Mobiel */
@media (max-width: 900px) {
    .grid-2, .services-row { grid-template-columns: 1fr; }
    .container { padding: 0 24px; }
    h1 { font-size: 3.5rem; }
    .sticky-head { position: relative; top: 0; margin-bottom: 40px; }
    .conversion-card { padding: 60px 24px; }
}

/* STATS BAR 2.0 - Premium Upgrade */
.stats-bar {
    background-color: var(--black); /* Of #050505 voor diepzwart */
    border-bottom: 1px solid rgba(255, 255, 255, 0.1); /* Subtielere rand */
    padding: 50px 0;
    position: relative;
    overflow: hidden;
}

/* Een subtiele gloed in de achtergrond voor diepte */
.stats-bar::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 100%; height: 100%;
    background: radial-gradient(circle at center, rgba(255,255,255,0.03) 0%, transparent 60%);
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0; /* Gap op 0 zetten zodat de lijntjes aansluiten */
    text-align: center;
    align-items: center;
}

.stat-item {
    position: relative;
    padding: 0 20px;
}

/* Verticale scheidingslijntjes tussen de items */
.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 40px; /* Lijntje is niet de volledige hoogte, oogt chiquer */
    width: 1px;
    background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.2), transparent);
}

.stat-number {
    display: block;
    font-size: 3rem; /* Iets groter */
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1;
    margin-bottom: 8px;
    
    /* Het "Metallic" effect op de tekst */
    background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    
    /* Subtiele drop-shadow voor diepte */
    filter: drop-shadow(0 2px 10px rgba(255,255,255,0.1));
}

.stat-label {
    font-size: 0.8rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 2px; /* Meer ruimte tussen letters oogt duurder */
    font-weight: 700;
    transition: color 0.3s ease;
}

/* Hover effect: Label licht op */
.stat-item:hover .stat-label {
    color: #fff;
}

/* Mobiel Aanpassingen */
@media (max-width: 900px) {
    .stats-grid { 
        grid-template-columns: 1fr 1fr; 
        gap: 40px; 
    }
    
    /* Lijntjes weghalen op mobiel of aanpassen */
    .stat-item:not(:last-child)::after {
        display: none; 
    }
    
    .stat-item {
        /* Voeg eventueel een border onder toe voor de bovenste 2 items */
        border-bottom: 1px solid rgba(255,255,255,0.05);
        padding-bottom: 20px;
    }
    
    .stat-item:nth-last-child(-n+2) {
        border-bottom: none;
        padding-bottom: 0;
    }
}

.comparison-box {
    display: flex;
    align-items: center;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}
.comp-col { flex: 1; padding: 60px; }
.comp-col.old { background: #f9f9f9; color: #777; border-right: 1px solid var(--border); }
.comp-col.new { background: var(--white); color: var(--black); }
.comp-col h3 { font-size: 1rem; margin-bottom: 20px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
.comp-col p { font-size: 1.2rem; font-style: italic; line-height: 1.6; }

.comp-arrow {
    background: var(--black); color: var(--white);
    width: 50px; height: 50px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; position: absolute; left: 50%; margin-left: -25px;
}
/* Zorg dat de sectie relative is voor het pijltje */
.section { position: relative; }

@media (max-width: 900px) {
    .comparison-box { flex-direction: column; }
    .comp-arrow { position: relative; left: auto; margin: -25px auto; transform: rotate(90deg); }
    .comp-col { border-right: none; border-bottom: 1px solid var(--border); padding: 40px; }
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}
.faq-item h3 { font-size: 1.2rem; margin-bottom: 15px; font-weight: 700; }
.faq-item p { font-size: 0.95rem; color: #666; line-height: 1.7; }

@media (max-width: 900px) {
    .faq-grid { grid-template-columns: 1fr; gap: 30px; }
}

/* --- MOBIELE NAVIGATIE --- */

/* Hamburger knop (Alleen zichtbaar op mobiel) */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001; /* Boven alles */
}

.hamburger .bar {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--black);
    position: absolute;
    transition: all 0.3s ease-in-out;
}

.hamburger .top { top: 0; }
.hamburger .bottom { bottom: 0; }

/* Hamburger Animatie naar 'X' */
.hamburger.active .top {
    transform: rotate(45deg);
    top: 9px;
    background-color: var(--white); /* Wit op zwarte achtergrond */
}

.hamburger.active .bottom {
    transform: rotate(-45deg);
    bottom: 9px;
    background-color: var(--white);
}

/* De Overlay (Standaard verborgen) */
.mobile-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    background-color: #000000;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none; /* Klik erdoorheen als verborgen */
    transition: opacity 0.3s ease;
}

.mobile-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* Links in het mobiele menu */
.mobile-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    text-align: center;
}

.m-link {
    font-size: 2rem;
    font-weight: 800;
    color: #ffffff;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: -1px;
    transition: color 0.3s;
}

.m-link:hover { color: #888; }

.mt-4 { margin-top: 20px; }
.btn-white {
    background: white; color: black; padding: 15px 40px; 
    text-decoration: none; font-weight: 700; display: inline-block;
}

/* MEDIA QUERIES: Wanneer tonen we wat? */
@media (max-width: 900px) {
    .nav-menu { display: none; } /* Verberg desktop menu */
    .nav-actions { display: none; } /* Verberg desktop knoppen */
    .hamburger { display: block; } /* Toon hamburger */
}

@media (min-width: 901px) {
    .mobile-overlay { display: none !important; } /* Nooit tonen op desktop */
}