/* =============================================
   VERKOELEN — Executive Leadership & Strategy
   style.css  ·  v3
   =============================================
   Fonts:   Cormorant Garamond (display) + Inter (body)
   Palette: Navy · Off-white · Anthracite
   ============================================= */


/* =============================================
   VARIABLES
   ============================================= */
:root {
    --navy:      #1C2B3A;
    --navy-dark: #131E2A;
    --off-white: #F5F4F0;
    --white:     #FFFFFF;
    --stone:     #3D4A58;
    --muted:     #7A8694;
    --border:    #DDD9D0;
    --border-dk: rgba(255,255,255,0.09);

    --font-d: 'Cormorant Garamond', Georgia, serif;
    --font-b: 'Inter', -apple-system, 'Helvetica Neue', Arial, sans-serif;

    --max-w:    1200px;
    --pad:      clamp(24px, 5.5vw, 88px);
    --sec-pad:  clamp(80px, 10vw, 128px);
    --ease:     0.28s ease;
}


/* =============================================
   RESET
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-b);
    color: #2D3748;
    background: var(--white);
    line-height: 1.65;
}

img    { max-width: 100%; height: auto; display: block; }
a      { color: inherit; text-decoration: none; }
ul     { list-style: none; }
button { cursor: pointer; font-family: var(--font-b); }
strong { font-weight: 500; }


/* =============================================
   LAYOUT
   ============================================= */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--pad);
}

.section      { padding: var(--sec-pad) 0; }
.section--dark { background: var(--navy); color: var(--off-white); }

.section-label {
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: 0.20em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 52px;
}
.section--dark .section-label { color: rgba(255,255,255,0.36); }


/* =============================================
   NAVIGATION
   ============================================= */
#nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 18px 0;
    transition: background var(--ease), padding var(--ease);
}

#nav.scrolled {
    background: rgba(19,30,42,0.96);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    padding: 12px 0;
    box-shadow: 0 1px 0 var(--border-dk);
}

.nav-inner {
    display: flex;
    align-items: center;
    gap: 36px;
}

/* ── Logo ──
   CSS filter chain:
   1. invert(1)      : white bg → black;  blue icon → orange
   2. grayscale(1)   : everything → grey
   3. brightness(2)  : grey amplified → near white for icon, black stays black
   + mix-blend-mode: screen: black blends away against dark nav; white/light shows
   Result: icon appears as off-white mark on dark background, white bg disappears */
.nav-logo {
    margin-right: auto;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.nav-logo-img {
    height: 64px;          /* ~3× the original 20px */
    width: auto;
    filter: invert(1) grayscale(1) brightness(2.2);
    mix-blend-mode: screen;
    opacity: 0.88;
    transition: opacity var(--ease);
}
.nav-logo:hover .nav-logo-img { opacity: 1; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-link {
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.03em;
    color: rgba(255,255,255,0.60);
    transition: color var(--ease);
    white-space: nowrap;
}
.nav-link:hover { color: var(--white); }

.lang-toggle { display: flex; align-items: center; gap: 8px; }

.lang-btn {
    background: none;
    border: none;
    font-size: 11.5px;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: rgba(255,255,255,0.35);
    padding: 3px 1px;
    transition: color var(--ease);
}
.lang-btn.active,
.lang-btn:hover { color: var(--white); }

.lang-divider { color: rgba(255,255,255,0.16); font-size: 11px; user-select: none; }

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    padding: 4px;
}
.mobile-menu-btn span {
    display: block;
    width: 20px;
    height: 1.5px;
    background: var(--white);
    border-radius: 1px;
    transition: transform var(--ease), opacity var(--ease);
}
.mobile-menu-btn.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.mobile-menu-btn.open span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }


/* =============================================
   HERO
   ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    background: var(--navy);
    overflow: hidden;
}

/* Left column */
.hero-left {
    flex: 0 0 52%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 120px var(--pad) 60px;
    position: relative;
    z-index: 2;
}

.hero-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Name + descriptor as one compound brand mark */
.hero-identity {
    margin-bottom: 32px;
}

.hero-name {
    font-family: var(--font-d);
    font-size: clamp(64px, 8.5vw, 108px);
    font-weight: 300;
    letter-spacing: 0.025em;
    color: var(--white);
    line-height: 0.95;
    margin-bottom: 10px;
}

/* Descriptor: substantially bigger than v2 so it reads as part of the brand */
.hero-descriptor {
    font-family: var(--font-b);
    font-size: clamp(14px, 1.8vw, 22px);
    font-weight: 300;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.62);
    padding-left: 3px;
}

/* Thin rule separating identity from tagline */
.hero-rule {
    width: 52px;
    height: 1px;
    background: rgba(255,255,255,0.20);
    margin-bottom: 28px;
}

.hero-tagline {
    font-family: var(--font-d);
    font-size: clamp(22px, 2.6vw, 32px);
    font-weight: 300;
    font-style: italic;
    color: rgba(255,255,255,0.82);
    line-height: 1.3;
}

/* Location — very quiet, bottom of hero text */
.hero-location {
    font-size: 10.5px;
    font-weight: 400;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.26);
    padding-bottom: 6px;
}

/* Right column — photo */
.hero-right {
    flex: 1 1 auto;
    position: relative;
    align-self: stretch;
    min-width: 0;
}

.hero-right img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

/* Narrow left-edge gradient — lets photo breathe, subtle not heavy */
.hero-right::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        var(--navy)                  0%,
        rgba(28,43,58,0.55)         10%,
        rgba(28,43,58,0.08)         22%,
        transparent                  35%
    );
    z-index: 1;
    pointer-events: none;
}


/* =============================================
   COLLAGE BANNER
   ============================================= */
.banner {
    width: 100%;
    line-height: 0; /* remove any inline-block gap */
    overflow: hidden;
}

.banner img {
    width: 100%;
    height: auto;
    display: block;
    /* Slight darkening to integrate with surrounding navy sections */
    filter: brightness(0.92);
}


/* =============================================
   THREE PILLARS
   ============================================= */
.services { background: var(--off-white); }

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 64px;
}

.service-icon {
    width: 36px;
    height: 36px;
    margin-bottom: 24px;
    color: var(--navy);
    opacity: 0.60;
    transition: opacity var(--ease);
}
.service-item:hover .service-icon { opacity: 0.85; }
.service-icon svg { width: 100%; height: 100%; }

.service-title {
    font-family: var(--font-d);
    font-size: 24px;
    font-weight: 400;
    color: var(--navy);
    letter-spacing: 0.01em;
    line-height: 1.15;
    margin-bottom: 14px;
}

.service-text {
    font-size: 14.5px;
    line-height: 1.80;
    color: var(--stone);
}

.service-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 14.5px;
    line-height: 1.80;
    color: var(--stone);
}

.service-list li {
    padding-left: 18px;
    position: relative;
    margin-bottom: 2px;
}

.service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 11px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--navy);
    opacity: 0.38;
}


/* =============================================
   ABOUT
   ============================================= */
.about { background: var(--white); }

.about-grid {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 72px;
    align-items: start;
}

/* Timeline in left column */
.about-timeline {
    margin-top: 40px;
    position: relative;
    padding-left: 14px;
}

.about-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    bottom: 0;
    width: 1px;
    background: var(--border);
}

.timeline-entry {
    position: relative;
    margin-bottom: 22px;
}

.timeline-entry::before {
    content: '';
    position: absolute;
    left: -17px;
    top: 5px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--navy);
    opacity: 0.38;
}

.timeline-year {
    display: block;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.10em;
    color: var(--muted);
    margin-bottom: 1px;
}

.timeline-org {
    display: block;
    font-family: var(--font-d);
    font-size: 14.5px;
    font-weight: 400;
    color: var(--navy);
    line-height: 1.2;
}

.timeline-role {
    display: block;
    font-size: 11px;
    color: var(--muted);
    line-height: 1.4;
    margin-top: 1px;
}

.timeline-entry--sub {
    margin-left: 8px;
}

.timeline-entry--sub::before {
    opacity: 0.22;
}

.about-body p {
    font-size: 16px;
    line-height: 1.88;
    color: var(--stone);
    margin-bottom: 24px;
    max-width: 680px;
}
.about-body p:last-child { margin-bottom: 0; }


/* =============================================
   SECTORS & THEMES
   ============================================= */
.expertise { background: var(--navy); }

.expertise-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 10px;
}

.expertise-item {
    display: inline-block;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: rgba(255,255,255,0.75);
    border: 1px solid rgba(255,255,255,0.24);
    padding: 9px 18px;
    /* No border-radius: sharp, editorial */
    transition: color var(--ease), border-color var(--ease);
    cursor: default;
}
.expertise-item:hover {
    color: var(--white);
    border-color: rgba(255,255,255,0.50);
}


/* =============================================
   CONTACT
   ============================================= */
.contact { background: var(--navy-dark, #131E2A); }

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 80px;
    align-items: start;
}

.contact-heading {
    font-family: var(--font-d);
    font-size: clamp(40px, 5.5vw, 72px);
    font-weight: 300;
    color: var(--white);
    line-height: 1.0;
    margin-bottom: 48px;
    letter-spacing: 0.02em;
}

.contact-details { border-top: 1px solid var(--border-dk); }

.contact-row {
    display: flex;
    align-items: baseline;
    gap: 20px;
    padding: 18px 0;
    border-bottom: 1px solid var(--border-dk);
}

a.contact-row:hover .contact-val { color: var(--white); }

.contact-key {
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.28);
    min-width: 76px;
    flex-shrink: 0;
}

.contact-val {
    font-size: 14.5px;
    color: rgba(255,255,255,0.72);
    transition: color var(--ease);
    letter-spacing: 0.01em;
}

/* Contact photo — warm portrait, right side */
.contact-photo {
    position: relative;
    align-self: end;
}

.contact-photo img {
    width: 100%;
    height: 440px;
    object-fit: cover;
    object-position: center top;
    /* No heavy filter — keep it warm and human */
    filter: brightness(0.95) contrast(1.02);
}

/* Subtle top fade so photo integrates with dark section */
.contact-photo::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 80px;
    background: linear-gradient(to bottom, var(--navy-dark, #131E2A), transparent);
    z-index: 1;
    pointer-events: none;
}


/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: var(--navy-dark, #131E2A);
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 24px 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-logo-img {
    height: 20px;
    width: auto;
    filter: invert(1) grayscale(1) brightness(2.2);
    mix-blend-mode: screen;
    opacity: 0.28;
    margin-right: auto;
}

.footer-copy  { font-size: 11.5px; color: rgba(255,255,255,0.22); }
.footer-credit { font-size: 11.5px; color: rgba(255,255,255,0.20); }
.footer-credit a {
    color: rgba(255,255,255,0.32);
    border-bottom: 1px solid rgba(255,255,255,0.14);
    padding-bottom: 1px;
    transition: color var(--ease);
}
.footer-credit a:hover { color: rgba(255,255,255,0.60); }


/* =============================================
   RESPONSIVE — TABLET ≤ 1024px
   ============================================= */
@media (max-width: 1024px) {

    .services-grid { grid-template-columns: 1fr; gap: 0; }
    .service-item {
        padding: 40px 0;
        border-bottom: 1px solid var(--border);
    }
    .service-item:first-child { padding-top: 0; }
    .service-item:last-child  { border-bottom: none; padding-bottom: 0; }

    .about-grid { grid-template-columns: 1fr; gap: 24px; }
    .about-timeline { margin-top: 24px; }

    .contact-layout { grid-template-columns: 1fr; gap: 48px; }
    .contact-photo { display: none; } /* hide photo on tablet — text takes priority */
}


/* =============================================
   RESPONSIVE — MOBILE ≤ 768px
   ============================================= */
@media (max-width: 768px) {

    /* Nav */
    .nav-links {
        display: none;
        position: absolute;
        top: 100%; left: 0; right: 0;
        flex-direction: column;
        align-items: flex-start;
        background: rgba(19,30,42,0.97);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-top: 1px solid var(--border-dk);
        padding: 4px 0 16px;
    }
    .nav-links.open { display: flex; }
    .nav-links li    { width: 100%; }
    .nav-link { display: block; padding: 13px var(--pad); font-size: 14px; }
    .mobile-menu-btn { display: flex; }
    .nav-inner { gap: 12px; }

    .nav-logo-img { height: 48px; }

    /* Hero: photo above, text below */
    .hero { flex-direction: column; min-height: auto; }

    .hero-right {
        flex: none;
        order: 1;
        width: 100%;
        height: 68vw;
        max-height: 420px;
    }
    .hero-right img { position: relative; inset: auto; width: 100%; height: 100%; }
    .hero-right::before {
        background: linear-gradient(to bottom, transparent 50%, var(--navy) 100%);
    }

    .hero-left {
        flex: none;
        order: 2;
        padding-top: 44px;
        padding-bottom: 64px;
        justify-content: flex-start;
    }

    /* Footer */
    .footer-inner { flex-direction: column; align-items: flex-start; gap: 6px; }
    .footer-logo-img { margin-right: 0; margin-bottom: 4px; }
}


/* =============================================
   RESPONSIVE — SMALL ≤ 480px
   ============================================= */
@media (max-width: 480px) {
    .hero-right { height: 78vw; }
    .contact-row { flex-direction: column; gap: 3px; }
    .contact-key { min-width: auto; }
}


/* =============================================
   FOCUS / ACCESSIBILITY
   ============================================= */
:focus-visible {
    outline: 2px solid rgba(255,255,255,0.55);
    outline-offset: 3px;
    border-radius: 1px;
}