/* ==========================================================================
   1. RESET & ALGEMENE STIJLEN
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333333;
    background-color: #ffffff;
}

body {
    display: flex;
    min-height: 100vh;
}

/* ==========================================================================
   2. SIDEBAR STYLING (LINKERKANT)
   ========================================================================== */
.sidebar {
    width: 260px;
    background-color: #111a24;
    color: #ffffff;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 40px 25px;
    z-index: 100;
}

/* CHIQUE EN MINIMALISTISCHE TAALSCHAKELAAR */
.lang-switcher {
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    background-color: rgba(255, 255, 255, 0.03); /* Zacht contrastvlak */
    border: 1px solid rgba(148, 163, 184, 0.12);  /* Dunne, elegante omlijning */
    border-radius: 4px;
    padding: 3px;
    width: 100%;
}

.lang-btn {
    background: none;
    border: none;
    color: #64748b; /* Rustig grijs voor inactieve talen */
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 6px 0;
    flex: 1;            /* Zorgt dat alle 4 de knoppen exact even breed zijn */
    text-align: center;
    border-radius: 3px;
    transition: all 0.2s ease-in-out;
}

.lang-btn:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.05);
}

.lang-btn.active {
    color: #ffffff !important;
    background-color: #c27829; /* Matcht met de goud/oranje knoppen */
    font-weight: 700;
    box-shadow: 0 2px 6px rgba(194, 120, 41, 0.15);
}

/* Verbergt de oude handmatige tekststreepjes */
.lang-divider {
    display: none;
}

/* Rij om foto en LinkedIn strak naast elkaar te zetten */
.profile-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    width: 100%;
}

/* Pasfoto frame */
.profile-pic {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.15);
    background-color: #1d2b3a;
}

.profile-pic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* LinkedIn knop naast de foto (Geen paarse browsersporen of onderstreping) */
.linkedin-btn, 
.linkedin-btn:link, 
.linkedin-btn:visited, 
.linkedin-btn:active {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8; /* Rustig grijs/blauw */
    text-decoration: none !important;
    transition: color 0.2s ease, transform 0.2s ease;
}

.linkedin-btn:hover {
    color: #ffffff !important;
    text-decoration: none !important;
    transform: scale(1.1);
}

/* SEO-vriendelijke merknaam */
.sidebar-brand {
    font-size: 1.4rem;
    font-weight: 400;
    letter-spacing: 1px;
    margin-bottom: 25px;
    color: #ffffff;
    display: block;
}

.sidebar-header .tagline {
    font-size: 0.85rem;
    color: #94a3b8;
    line-height: 1.5;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 25px;
}

/* Navigatie menu */
.nav-menu ul {
    list-style: none;
}

.nav-menu ul li {
    margin: 20px 0;
}

.nav-menu ul li a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s;
    display: flex;
    align-items: center;
}

.nav-menu ul li a:hover, 
.nav-menu ul li a.active {
    color: #d97706; /* Warme goud/oranje accentkleur */
}

/* Sidebar footer */
.sidebar-footer .copyright {
    font-size: 0.75rem;
    color: #64748b;
}

/* ==========================================================================
   3. CONTENT AREA LAY-OUT (RECHTERKANT)
   ========================================================================== */
.content-area {
    margin-left: 260px;
    width: calc(100% - 260px);
}

/* Hero Section (Gebruikt hal.jpeg) */
.hero-section {
    height: 70vh;
    background-color: #111a24; 
    background-image: url('hal.jpeg');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    position: relative;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.45); /* Donker filter voor tekst leesbaarheid */
    display: flex;
    align-items: center;
    padding: 0 10%;
}

.hero-text-box {
    max-width: 600px;
    color: #ffffff;
}

.hero-text-box h1 {
    font-size: 3rem;
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-text-box p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #f1f5f9;
}

/* Standaard Sectie Containers */
.section-container {
    padding: 80px 8%;
    text-align: center;
    background-color: #ffffff;
}

.section-title {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 15px;
}

.section-intro {
    max-width: 700px;
    margin: 0 auto 60px auto;
    color: #64748b;
    line-height: 1.6;
}

/* ==========================================================================
   4. EXPERTISE GRID & CARDS (MET RECHTSTREEKSE SVG-ICONEN)
   ========================================================================== */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    text-align: left;
    display: flex;
    flex-direction: column;
}

/* HTML5 UP Stijl wrapper voor de cirkels */
.card-icon-wrapper {
    width: 100%;
    padding-top: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #ffffff;
}

/* De geometrische cirkel */
.hotech-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: #111a24; /* Het chique donkerblauw uit de sidebar */
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, background-color 0.3s ease;
}

/* Zorgt dat de ingebouwde SVG-lijnen strak wit worden */
.hotech-icon svg {
    color: #ffffff; 
}

/* Subtiele animatie als je over de kaart beweegt */
.card:hover .hotech-icon {
    transform: scale(1.05);
    background-color: #c27829; /* Kleurt warm goud/oranje op bij hover */
}

.card-content {
    padding: 25px 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-content h3 {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 12px;
}

.card-content p {
    font-size: 0.88rem;
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.learn-more {
    font-size: 0.85rem;
    color: #334155;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.learn-more:hover {
    color: #d97706;
}

/* ==========================================================================
   5. OUR APPROACH SECTIE
   ========================================================================== */
.approach-section {
    background-color: #f8fafc;
    border-top: 1px solid #e2e8f0;
}

.approach-content {
    display: flex;
    align-items: stretch;
}

.approach-text {
    width: 50%;
    padding: 80px 8%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.approach-text h2 {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 25px;
}

.approach-text p {
    font-size: 1rem;
    line-height: 1.7;
    color: #475569;
    margin-bottom: 20px;
}

/* Sfeerfoto naast de aanpak tekst (foto5.jpg) */
.approach-image-box {
    width: 50%;
    overflow: hidden;
    background-color: #e2e8f0;
}

.approach-image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ==========================================================================
   6. CONTACT SECTIE
   ========================================================================== */
.contact-section {
    padding: 80px 8%;
    text-align: center;
    background-color: #ffffff;
    border-top: 1px solid #e2e8f0;
}

.contact-section h2 {
    font-size: 2.2rem;
    font-weight: 300;
    margin-bottom: 15px;
}

.contact-section p {
    color: #64748b;
    margin-bottom: 35px;
}

.btn-contact {
    display: inline-block;
    background-color: #c27829;
    color: #ffffff;
    padding: 12px 30px;
    text-decoration: none;
    font-size: 0.95rem;
    border-radius: 2px;
    transition: background-color 0.3s;
}

.btn-contact:hover {
    background-color: #a0601c;
}

/* ==========================================================================
   7. SEO EN TOEGANKELIJKHEID EXTRA'S
   ========================================================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ==========================================================================
   8. RESPONSIVE DESIGN (MOBIEL EN TABLET BREAKPOINTS)
   ========================================================================== */
@media (max-width: 992px) {
    body {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        position: relative;
        height: auto;
        padding: 30px;
    }
    .profile-row {
        justify-content: flex-start;
        gap: 30px;
    }
    .content-area {
        margin-left: 0;
        width: 100%;
    }
    .approach-content {
        flex-direction: column;
    }
    .approach-text, .approach-image-box {
        width: 100%;
    }
    .approach-image-box {
        height: 300px;
    }
}