/* =========================================================
   STHENIAS — Strategische groei & partnerships
   Centrale stylesheet (geen internal CSS, geen gradients)
   ========================================================= */

/* ----------------------------------------
   1. DESIGN TOKENS
   ---------------------------------------- */
:root {
    /* Typografie */
    --font-display: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-text: 'SF Pro Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

    /* Spacing — 8pt grid */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 48px;
    --space-8: 64px;
    --space-9: 96px;
    --space-10: 128px;

    /* Radii */
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 28px;
    --radius-xl: 36px;
    --radius-pill: 999px;

    /* Glass effecten */
    --glass-blur: blur(24px) saturate(140%);

    /* Easing */
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

    /* Layout */
    --container-max: 1280px;
    --container-pad: 32px;
    --nav-height: 80px;
}

/* DARK theme (default) */
:root,
[data-theme="dark"] {
    --bg-base: #0A0A0B;
    --bg-elevated: #111114;
    --bg-elevated-2: #16161A;
    --surface-glass: rgba(255, 255, 255, 0.04);
    --surface-glass-strong: rgba(255, 255, 255, 0.06);
    --surface-glass-hover: rgba(255, 255, 255, 0.08);

    --border-line: rgba(255, 255, 255, 0.10);
    --border-line-strong: rgba(255, 255, 255, 0.18);

    --text-primary: #F5F5F7;
    --text-secondary: #D2D2D7;
    --text-muted: #A1A1A6;
    --text-faint: #6E6E73;

    --accent: #C9A875;
    --accent-soft: rgba(201, 168, 117, 0.16);

    --nav-bg-scrolled: rgba(10, 10, 11, 0.65);
    --hero-card-bg: rgba(17, 17, 20, 0.55);
    --hero-scrim: rgba(10, 10, 11, 0.55);

    --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.30);
    --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.40);
    --shadow-lg: 0 24px 80px rgba(0, 0, 0, 0.50);

    /* Logo's mooi tonen op donkere achtergrond — heldere PNG's krijgen lichte tint */
    --logo-tile-bg: #FFFFFF;
}

/* LIGHT theme (Apple-stijl wit) */
[data-theme="light"] {
    --bg-base: #FFFFFF;
    --bg-elevated: #F5F5F7;
    --bg-elevated-2: #EBEBED;
    --surface-glass: rgba(0, 0, 0, 0.03);
    --surface-glass-strong: rgba(0, 0, 0, 0.05);
    --surface-glass-hover: rgba(0, 0, 0, 0.07);

    --border-line: rgba(0, 0, 0, 0.10);
    --border-line-strong: rgba(0, 0, 0, 0.20);

    --text-primary: #1D1D1F;
    --text-secondary: #2C2C2E;
    --text-muted: #515154;
    --text-faint: #86868B;

    --accent: #9C7B45;
    --accent-soft: rgba(156, 123, 69, 0.12);

    --nav-bg-scrolled: rgba(255, 255, 255, 0.75);
    --hero-card-bg: rgba(255, 255, 255, 0.78);
    --hero-scrim: rgba(255, 255, 255, 0.35);

    --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.10);
    --shadow-lg: 0 24px 80px rgba(0, 0, 0, 0.12);

    --logo-tile-bg: #FFFFFF;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-text);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color 0.4s var(--ease), color 0.4s var(--ease);
}

img,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 400;
    letter-spacing: -0.025em;
    line-height: 1.08;
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
}

::selection {
    background-color: var(--accent);
    color: var(--bg-base);
}

/* ----------------------------------------
   3. UTILITIES
   ---------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
}

.section {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
}

.eyebrow {
    display: inline-block;
    font-family: var(--font-text);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--space-4);
}

.section__head {
    max-width: 720px;
    margin-bottom: var(--space-6);
}

.section__title {
    font-size: clamp(32px, 4vw, 56px);
    font-weight: 400;
    margin-bottom: var(--space-4);
}

.section__lead {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 560px;
}

/* Glass card basis — uniforme border langs alle zijden */
.glass {
    background-color: var(--surface-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-line);
    border-radius: var(--radius-lg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 14px 24px;
    font-family: var(--font-text);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: -0.01em;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-line);
    transition: all 0.35s var(--ease);
    white-space: nowrap;
    user-select: none;
}

.btn svg {
    transition: transform 0.35s var(--ease);
}

.btn:hover svg {
    transform: translateX(3px);
}

.btn--primary {
    background-color: var(--text-primary);
    color: var(--bg-base);
    border-color: var(--text-primary);
}

.btn--primary:hover {
    background-color: var(--accent);
    border-color: var(--accent);
    color: var(--bg-base);
}

.btn--ghost {
    background-color: transparent;
    color: var(--text-primary);
    border-color: var(--border-line);
}

.btn--ghost:hover {
    background-color: var(--surface-glass-hover);
    border-color: var(--border-line-strong);
}

/* ----------------------------------------
   4. NAVIGATIE
   ---------------------------------------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--nav-height);
    transition: background-color 0.4s var(--ease), backdrop-filter 0.4s var(--ease), border-color 0.4s var(--ease);
    border-bottom: 1px solid transparent;
    /* Overflow visible zodat het logo (met transparante padding in de PNG)
       de nav-balk kan oversteken zonder te worden gecropt */
    overflow: visible;
}

.nav.is-scrolled {
    background-color: var(--nav-bg-scrolled);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom-color: var(--border-line);
}

.nav__inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-5);
}

.nav__brand {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    /* Logo "edge-to-edge": geen padding rondom — logo past exact in de nav-balk
       (verticaal: nav-height = logo-height, horizontaal: container-padding gecompenseerd) */
    margin-left: calc(0px - var(--container-pad));
}

.nav__logo {
    height: 152px;
    width: auto;
    transition: opacity 0.3s var(--ease), filter 0.4s var(--ease);
}

/* Sthenias logo is wit-goud — in light mode donker maken zodat het leesbaar is */
[data-theme="light"] .nav__logo,
[data-theme="light"] .footer__logo {
    filter: brightness(0);
}

.nav__brand:hover .nav__logo {
    opacity: 0.85;
}

.nav__menu {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav__list {
    display: flex;
    gap: var(--space-2);
}

.nav__link {
    position: relative;
    display: inline-block;
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-pill);
    transition: color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.nav__link::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 2px;
    transform: translateX(-50%) scaleX(0);
    transform-origin: center;
    width: 16px;
    height: 1px;
    background-color: var(--accent);
    transition: transform 0.3s var(--ease);
}

.nav__link:hover {
    color: var(--text-primary);
}

.nav__link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.nav__cta {
    padding: 10px 18px;
    font-size: 14px;
}

/* Theme toggle (dag/nacht) */
.theme-toggle {
    width: 64px;
    height: 32px;
    padding: 0;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-line);
    background-color: var(--surface-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    cursor: pointer;
    transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease);
    flex-shrink: 0;
}

.theme-toggle:hover {
    border-color: var(--border-line-strong);
    background-color: var(--surface-glass-hover);
}

.theme-toggle__track {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 100%;
    padding: 0 8px;
}

.theme-toggle__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    transition: color 0.3s var(--ease);
    z-index: 2;
}

.theme-toggle__thumb {
    position: absolute;
    top: 50%;
    left: 3px;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    background-color: var(--text-primary);
    border-radius: 50%;
    transition: transform 0.4s var(--ease), background-color 0.3s var(--ease);
    z-index: 1;
}

[data-theme="light"] .theme-toggle__thumb {
    transform: translate(32px, -50%);
}

[data-theme="dark"] .theme-toggle__icon--moon {
    color: var(--accent);
}

[data-theme="light"] .theme-toggle__icon--sun {
    color: var(--accent);
}

/* Hamburger */
.nav__toggle {
    display: none;
    width: 44px;
    height: 44px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-line);
    background-color: var(--surface-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: background-color 0.3s var(--ease);
}

.nav__toggle span {
    display: block;
    width: 18px;
    height: 1.5px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: transform 0.35s var(--ease), opacity 0.3s var(--ease);
}

.nav__toggle.is-open span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.nav__toggle.is-open span:nth-child(2) {
    opacity: 0;
}

.nav__toggle.is-open span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobiel menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 90;
    background-color: var(--bg-base);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s var(--ease), visibility 0.4s var(--ease);
    padding-top: var(--nav-height);
}

[data-theme="dark"] .mobile-menu {
    background-color: rgba(10, 10, 11, 0.92);
}

[data-theme="light"] .mobile-menu {
    background-color: rgba(255, 255, 255, 0.94);
}

.mobile-menu.is-open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu__inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    padding: var(--space-7) var(--container-pad);
    height: 100%;
}

.mobile-menu__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.mobile-menu__link {
    display: block;
    padding: var(--space-4) 0;
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-line);
    transition: color 0.3s var(--ease), padding-left 0.3s var(--ease);
}

.mobile-menu__link:hover {
    color: var(--accent);
    padding-left: var(--space-3);
}

.mobile-menu__cta {
    margin-top: auto;
    align-self: flex-start;
}

/* ----------------------------------------
   5. HERO + CAROUSEL
   ---------------------------------------- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 680px;
    max-height: 900px;
    overflow: hidden;
    background-color: var(--bg-base);
}

.hero__carousel {
    position: absolute;
    inset: 0;
}

.hero__slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1.2s var(--ease), visibility 1.2s var(--ease);
    pointer-events: none;
}

.hero__slide.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.hero__media {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    transition: transform 8s var(--ease);
}

.hero__slide.is-active .hero__media img {
    transform: scale(1);
}

.hero__scrim {
    position: absolute;
    inset: 0;
    background-color: var(--hero-scrim);
    z-index: 2;
}

/* ===== Video achtergrond ===== */
.hero__video-wrap {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
    background-color: var(--bg-base);
}

.hero__video {
    position: absolute;
    top: 50%;
    left: 50%;
    /* Cover-trick voor 16:9 iframe: iframe wordt altijd minimaal de hero vullend
       en uitsnijdt het overschot, zoals object-fit: cover bij img/video */
    width: max(100vw, calc(100vh * 16 / 9));
    height: max(56.25vw, 100vh);
    transform: translate(-50%, -50%);
    border: 0;
    pointer-events: none;
}

/* Fallback: statische achtergrondafbeelding (zelfde cover-gedrag als iframe) */
.hero__video-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 1;
}

/* iOS workaround: zorg dat iframe achtergrond donker is tijdens laden */
.hero--video .hero__video-wrap::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: var(--bg-base);
    z-index: 0;
}

.hero--video .hero__video {
    z-index: 1;
}

.hero__content {
    position: relative;
    z-index: 3;
    height: 100%;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
}

.hero__card {
    max-width: 720px;
    padding: var(--space-7) var(--space-7);
    background-color: var(--hero-card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-line);
    border-radius: var(--radius-lg);
    transform: translateY(20px);
    opacity: 0;
    transition: opacity 0.9s var(--ease) 0.2s, transform 0.9s var(--ease) 0.2s;
}

.hero__slide.is-active .hero__card {
    transform: translateY(0);
    opacity: 1;
}

/* Static hero card (gebruikt bij video-achtergrond, geen carousel) */
@keyframes heroCardEnter {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero__card--static {
    opacity: 0;
    transform: translateY(20px);
    animation: heroCardEnter 1s var(--ease) 0.4s both;
}

.hero__eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--space-4);
}

.hero__title {
    font-size: clamp(40px, 6vw, 76px);
    font-weight: 400;
    margin-bottom: var(--space-4);
}

.hero__subtitle {
    font-size: 18px;
    line-height: 1.5;
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    max-width: 540px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

/* Carousel controls */
.hero__controls {
    position: absolute;
    bottom: var(--space-7);
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-5);
}

.hero__nav {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    background-color: var(--surface-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-line);
    border-radius: 50%;
    transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
    flex-shrink: 0;
}

.hero__nav:hover {
    background-color: var(--surface-glass-hover);
    border-color: var(--border-line-strong);
    transform: scale(1.05);
}

.hero__indicators {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

.hero__indicator {
    width: 64px;
    padding: 8px 0;
}

.hero__indicator-bar {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--border-line-strong);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.hero__indicator-fill {
    position: absolute;
    inset: 0;
    width: 0;
    background-color: var(--text-primary);
    transition: width 0.2s linear;
}

.hero__indicator.is-active .hero__indicator-fill {
    width: 100%;
}

/* ----------------------------------------
   6. INTRO
   ---------------------------------------- */
.intro {
    background-color: var(--bg-base);
}

.intro__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    align-items: start;
}

.intro__right {
    /* Lijn de paragraaf uit op hoogte van de witte heading
       (compenseert de eyebrow + margin-bottom van de linker kolom) */
    padding-top: 38px;
}

.intro__title {
    font-size: clamp(32px, 4.5vw, 64px);
    font-weight: 400;
    line-height: 1.05;
}

.intro__text {
    font-size: 19px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.intro__text--muted {
    color: var(--text-muted);
    font-size: 17px;
}

/* ----------------------------------------
   7. CLIENTS / TRUSTED BY
   ---------------------------------------- */
.clients {
    background-color: var(--bg-base);
    padding-top: var(--space-7);
}

.clients__head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-7);
}

.clients__title {
    font-size: clamp(24px, 2.4vw, 32px);
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: -0.01em;
}

.clients__grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-3);
}

.clients__tile {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 120px;
    padding: var(--space-5);
    background-color: var(--logo-tile-bg);
    border: 1px solid var(--border-line);
    border-radius: var(--radius-md);
    transition: background-color 0.4s var(--ease), border-color 0.4s var(--ease), transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.clients__tile img {
    height: 64px;
    width: 100%;
    max-width: 100%;
    object-fit: contain;
    object-position: center;
    transition: transform 0.4s var(--ease), opacity 0.4s var(--ease);
}

.clients__tile:hover {
    border-color: var(--border-line-strong);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.clients__tile:hover img {
    transform: scale(1.04);
}

/* Staggered fade-in voor logo's (animation, zodat hover-transitions niet vertraagd worden) */
@keyframes clientFadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

.clients__tile[data-reveal] {
    opacity: 0;
    transform: translateY(20px);
    transition: background-color 0.4s var(--ease), border-color 0.4s var(--ease), transform 0.4s var(--ease);
}

.clients__tile[data-reveal].is-visible {
    animation: clientFadeUp 0.9s var(--ease) both;
}

.clients__tile[data-reveal].is-visible:nth-child(1) { animation-delay: 0.00s; }
.clients__tile[data-reveal].is-visible:nth-child(2) { animation-delay: 0.08s; }
.clients__tile[data-reveal].is-visible:nth-child(3) { animation-delay: 0.16s; }
.clients__tile[data-reveal].is-visible:nth-child(4) { animation-delay: 0.24s; }
.clients__tile[data-reveal].is-visible:nth-child(5) { animation-delay: 0.32s; }
.clients__tile[data-reveal].is-visible:nth-child(6) { animation-delay: 0.40s; }

/* ----------------------------------------
   8. SERVICES
   ---------------------------------------- */
.services {
    background-color: var(--bg-base);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.service-card {
    padding: var(--space-6);
    transition: background-color 0.4s var(--ease), border-color 0.4s var(--ease), transform 0.4s var(--ease);
    cursor: default;
}

.service-card:hover {
    background-color: var(--surface-glass-strong);
    border-color: var(--border-line-strong);
    transform: translateY(-4px);
}

.service-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-5);
    color: var(--accent);
    background-color: var(--accent-soft);
    border: 1px solid var(--border-line);
    border-radius: var(--radius-md);
    transition: background-color 0.4s var(--ease);
}

.service-card:hover .service-card__icon {
    background-color: rgba(201, 168, 117, 0.22);
}

.service-card__title {
    font-size: 22px;
    font-weight: 500;
    margin-bottom: var(--space-3);
}

.service-card__text {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.55;
}

/* ----------------------------------------
   9. CASES
   ---------------------------------------- */
.cases {
    background-color: var(--bg-base);
}

.cases__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
}

.case-card {
    position: relative;
    display: block;
    overflow: hidden;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-line);
    background-color: var(--bg-elevated);
    transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}

.case-card:hover {
    border-color: var(--border-line-strong);
    transform: translateY(-4px);
}

.case-card__media {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.case-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s var(--ease);
}

.case-card:hover .case-card__media img {
    transform: scale(1.05);
}

.case-card__body {
    padding: var(--space-5) var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    background-color: transparent;
    border: none;
    border-radius: 0;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-top: 1px solid var(--border-line);
}

.case-card__tag {
    display: inline-block;
    width: fit-content;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    background-color: var(--accent-soft);
    border: 1px solid var(--border-line);
    border-radius: var(--radius-pill);
}

.case-card__title {
    font-size: 22px;
    font-weight: 500;
    line-height: 1.2;
}

.case-card__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.3s var(--ease);
}

.case-card__cta svg {
    transition: transform 0.35s var(--ease);
}

.case-card:hover .case-card__cta {
    color: var(--accent);
}

.case-card:hover .case-card__cta svg {
    transform: translateX(3px);
}

/* ----------------------------------------
   10. ABOUT
   ---------------------------------------- */
.about {
    background-color: var(--bg-base);
}

.about__card {
    display: grid;
    grid-template-columns: 0.85fr 1fr;
    gap: var(--space-7);
    padding: var(--space-7);
    align-items: center;
}

.about__media {
    position: relative;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-line);
}

.about__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about__title {
    font-size: clamp(28px, 3.4vw, 44px);
    font-weight: 400;
    margin-bottom: var(--space-4);
    line-height: 1.1;
}

.about__text {
    font-size: 17px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--space-5);
}

.about__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.about__list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 15px;
    color: var(--text-secondary);
}

.about__icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--accent);
    background-color: var(--accent-soft);
    border: 1px solid var(--border-line);
    border-radius: 50%;
}

/* ----------------------------------------
   11. CONTACT CTA
   ---------------------------------------- */
.cta {
    background-color: var(--bg-base);
}

.cta__panel {
    text-align: center;
    padding: var(--space-9) var(--space-7);
    max-width: 880px;
    margin: 0 auto;
}

.cta__title {
    font-size: clamp(36px, 4.5vw, 64px);
    font-weight: 400;
    margin-bottom: var(--space-4);
    line-height: 1.05;
}

.cta__text {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: var(--space-6);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.cta__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    justify-content: center;
}

/* ----------------------------------------
   12. FOOTER
   ---------------------------------------- */
.footer {
    background-color: var(--bg-elevated);
    border-top: 1px solid var(--border-line);
    padding-top: var(--space-8);
}

.footer__inner {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: var(--space-8);
    padding-bottom: var(--space-8);
}

.footer__brand {
    max-width: 320px;
}

.footer__logo {
    height: 112px;
    width: auto;
    margin-bottom: var(--space-4);
    transition: filter 0.4s var(--ease);
}

.footer__claim {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.55;
}

.footer__cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.footer__heading {
    font-family: var(--font-text);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-bottom: var(--space-4);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer__list a,
.footer__list li {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color 0.3s var(--ease);
}

.footer__list a:hover {
    color: var(--accent);
}

.footer__bottom {
    border-top: 1px solid var(--border-line);
    padding: var(--space-5) 0;
}

.footer__bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
    font-size: 13px;
    color: var(--text-faint);
}

/* ----------------------------------------
   13. CONTACT PAGE — page-header & form
   ---------------------------------------- */

/* Inner pages: zorg voor ruimte onder de fixed nav */
.page--inner {
    padding-top: var(--nav-height);
}

/* Sticky nav krijgt op inner pages standaard al een glass background */
.nav.nav--solid {
    background-color: var(--nav-bg-scrolled);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-line);
}

.nav__link.is-active {
    color: var(--text-primary);
}

.nav__link.is-active::after {
    transform: translateX(-50%) scaleX(1);
}

/* Page header */
.page-header {
    padding: var(--space-9) 0 var(--space-7);
    background-color: var(--bg-base);
}

.page-header__inner {
    max-width: 760px;
}

.page-header__title {
    font-size: clamp(40px, 5.5vw, 72px);
    font-weight: 400;
    margin-bottom: var(--space-4);
    line-height: 1.05;
}

.page-header__lead {
    font-size: 19px;
    color: var(--text-muted);
    line-height: 1.55;
    max-width: 580px;
}

/* Contact section */
.contact {
    background-color: var(--bg-base);
    padding-top: var(--space-7);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-6);
    align-items: start;
}

.contact__form-wrap {
    padding: var(--space-7);
}

.contact__form-title {
    font-size: clamp(24px, 2.4vw, 32px);
    font-weight: 500;
    margin-bottom: var(--space-2);
}

.contact__form-sub {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: var(--space-6);
}

/* Alerts */
.contact__alert {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    margin-bottom: var(--space-5);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-line);
    font-size: 14px;
}

.contact__alert--success {
    background-color: rgba(201, 168, 117, 0.10);
    color: var(--accent);
    border-color: rgba(201, 168, 117, 0.30);
}

.contact__alert--error {
    background-color: rgba(220, 80, 80, 0.10);
    color: #FF6B6B;
    border-color: rgba(220, 80, 80, 0.30);
}

.contact__alert-icon {
    display: inline-flex;
    flex-shrink: 0;
}

/* Form layout */
.contact__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.field {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.field__label {
    font-family: var(--font-text);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
}

.field__req {
    color: var(--accent);
    margin-left: 2px;
}

.field__input {
    font-family: var(--font-text);
    font-size: 15px;
    color: var(--text-primary);
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-line);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    width: 100%;
    transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
    -webkit-appearance: none;
    appearance: none;
}

.field__input::placeholder {
    color: var(--text-faint);
}

.field__input:hover {
    border-color: var(--border-line-strong);
}

.field__input:focus {
    outline: none;
    border-color: var(--accent);
    background-color: var(--bg-elevated-2);
}

.field__input:invalid:not(:placeholder-shown) {
    border-color: rgba(220, 80, 80, 0.55);
}

/* Honeypot — onzichtbaar voor mensen, zichtbaar voor bots */
.field--hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

.form-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-top: var(--space-2);
}

.form-submit {
    align-self: flex-start;
    min-width: 220px;
    padding: 16px 28px;
}

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-disclaimer {
    font-size: 12px;
    color: var(--text-faint);
    line-height: 1.5;
    max-width: 520px;
}

/* Info kolom */
.contact__info-card {
    padding: var(--space-7);
}

.contact__info-title {
    font-size: clamp(22px, 2.2vw, 28px);
    font-weight: 500;
    margin-bottom: var(--space-3);
}

.contact__info-text {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.55;
    margin-bottom: var(--space-6);
}

.contact__info-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact__info-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: 14px;
    color: var(--text-secondary);
}

.contact__info-list li > div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.contact__info-list a {
    color: var(--text-primary);
    transition: color 0.3s var(--ease);
}

.contact__info-list a:hover {
    color: var(--accent);
}

.contact__info-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--accent);
    background-color: var(--accent-soft);
    border: 1px solid var(--border-line);
    border-radius: var(--radius-sm);
}

.contact__info-label {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--text-faint);
}

/* ----------------------------------------
   14. SCROLL REVEAL
   ---------------------------------------- */
[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ----------------------------------------
   14. RESPONSIVE — TABLET
   ---------------------------------------- */
@media (max-width: 1024px) {
    :root {
        --container-pad: 24px;
        --nav-height: 70px;
    }

    .section {
        padding-top: var(--space-7);
        padding-bottom: var(--space-7);
    }

    .nav__logo {
        height: 120px;
    }

    .nav__menu {
        display: none;
    }

    .nav__cta {
        display: none;
    }

    .nav__toggle {
        display: flex;
    }

    /* Theme-toggle blijft zichtbaar op tablet/mobiel naast hamburger */
    .theme-toggle {
        width: 56px;
        height: 30px;
    }

    .theme-toggle__thumb {
        width: 22px;
        height: 22px;
    }

    [data-theme="light"] .theme-toggle__thumb {
        transform: translate(26px, -50%);
    }

    .hero__card {
        padding: var(--space-6);
    }

    .intro__grid {
        grid-template-columns: 1fr;
        gap: var(--space-5);
    }

    .clients__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .intro__right {
        padding-top: 0;
    }

    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases__grid {
        grid-template-columns: 1fr;
    }

    .about__card {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .about__media {
        aspect-ratio: 16 / 10;
        max-height: 420px;
    }

    .contact__grid {
        grid-template-columns: 1fr;
        gap: var(--space-5);
    }

    .contact__form-wrap,
    .contact__info-card {
        padding: var(--space-6);
    }

    .footer__inner {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
}

/* ----------------------------------------
   15. RESPONSIVE — MOBIEL
   ---------------------------------------- */
@media (max-width: 640px) {
    :root {
        --container-pad: 20px;
        --nav-height: 60px;
    }

    .section {
        padding-top: var(--space-6);
        padding-bottom: var(--space-6);
    }

    body {
        font-size: 15px;
    }

    .nav__logo {
        height: 100px;
    }

    .footer__logo {
        height: 88px;
    }

    /* Theme toggle iets compacter op mobiel */
    .theme-toggle {
        width: 50px;
        height: 28px;
    }

    .theme-toggle__thumb {
        width: 20px;
        height: 20px;
    }

    [data-theme="light"] .theme-toggle__thumb {
        transform: translate(22px, -50%);
    }

    .nav__actions {
        gap: var(--space-2);
    }

    .hero {
        min-height: 620px;
    }

    .hero__card {
        padding: var(--space-5);
    }

    .hero__title {
        font-size: clamp(34px, 9vw, 48px);
    }

    .hero__subtitle {
        font-size: 16px;
    }

    .hero__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero__actions .btn {
        width: 100%;
    }

    .hero__controls {
        bottom: var(--space-5);
        gap: var(--space-3);
    }

    .hero__nav {
        width: 42px;
        height: 42px;
    }

    .hero__indicator {
        width: 40px;
    }

    .clients__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .clients__tile {
        height: 100px;
        padding: var(--space-4);
    }

    .services__grid {
        grid-template-columns: 1fr;
    }

    .service-card {
        padding: var(--space-5);
    }

    .about__card {
        padding: var(--space-5);
    }

    .cta__panel {
        padding: var(--space-7) var(--space-5);
    }

    .cta__actions {
        flex-direction: column;
    }

    .cta__actions .btn {
        width: 100%;
    }

    .page-header {
        padding: var(--space-7) 0 var(--space-5);
    }

    .contact__form-wrap,
    .contact__info-card {
        padding: var(--space-5);
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .form-submit {
        width: 100%;
        align-self: stretch;
    }

    .footer__cols {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-5);
    }

    .footer__bottom-inner {
        flex-direction: column;
        text-align: center;
    }

    .mobile-menu__link {
        font-size: 24px;
    }
}

/* ----------------------------------------
   16. ACCESSIBILITY
   ---------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    [data-reveal] {
        opacity: 1;
        transform: none;
    }

    .hero__slide {
        transition: opacity 0.2s linear;
    }

    .hero__media img {
        transform: none !important;
    }
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

button:focus-visible,
a:focus-visible {
    outline-offset: 4px;
}