/* =========================================================
   IUS — Ilias Uyttenbroeck Software
   Volledig responsive stylesheet
   Mobile first
   ========================================================= */


/* =========================================================
   1. DESIGN TOKENS
   ========================================================= */

:root {
    --bg: #050d18;
    --bg-soft: #081423;
    --bg-card: rgba(255, 255, 255, 0.045);
    --bg-card-hover: rgba(255, 255, 255, 0.07);

    --text: #f5f8fc;
    --text-muted: #a6b7cb;

    --border: rgba(255, 255, 255, 0.11);

    --blue: #0b7dff;
    --blue-light: #55aaff;
    --cyan: #19d3ff;
    --green: #56e1b5;
    --purple: #ae83ff;

    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 30px;

    --shadow:
        0 28px 80px rgba(0, 0, 0, 0.32);

    /*
       Fluid page gutter.
       Klein op gsm, groter op desktop.
    */
    --gutter: clamp(16px, 4vw, 72px);

    /*
       Op heel grote monitoren stoppen we op 1680px.
       Op gewone laptop/desktop gebruikt de site vrijwel
       alle beschikbare breedte.
    */
    --content-max: 1680px;

    --header-height: 78px;
}


/* =========================================================
   2. RESET
   ========================================================= */

*,
*::before,
*::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;

    min-width: 320px;
    min-height: 100vh;

    overflow-x: hidden;

    font-family:
        "Inter",
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    color: var(--text);

    background:
        radial-gradient(
            circle at 90% 5%,
            rgba(11, 125, 255, 0.14),
            transparent 30%
        ),
        radial-gradient(
            circle at 25% 45%,
            rgba(25, 211, 255, 0.04),
            transparent 30%
        ),
        var(--bg);

    line-height: 1.65;
}

body.nav-open {
    overflow: hidden;
}

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

img {
    height: auto;
}

button,
input,
textarea,
select {
    font: inherit;
}

button {
    color: inherit;
}

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

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

h1,
h2,
h3,
h4,
p {
    margin-top: 0;
}


/* =========================================================
   3. GLOBAL LAYOUT
   ========================================================= */

.container {
    width: min(
        calc(100% - (var(--gutter) * 2)),
        var(--content-max)
    );

    margin-inline: auto;
}

.section {
    padding-block: clamp(64px, 9vw, 132px);
}

.section-soft {
    background: rgba(255, 255, 255, 0.018);

    border-top: 1px solid rgba(255, 255, 255, 0.045);
    border-bottom: 1px solid rgba(255, 255, 255, 0.045);
}

.section-heading {
    width: min(100%, 900px);

    margin-bottom: clamp(36px, 5vw, 72px);
}

.section-heading p {
    margin-bottom: 0;

    color: var(--text-muted);

    font-size: clamp(1rem, 1.1vw, 1.22rem);
    line-height: 1.75;
}

.section-heading p + p {
    margin-top: 16px;
}

.section-button {
    display: flex;
    justify-content: center;

    margin-top: clamp(36px, 5vw, 64px);
}


/* =========================================================
   4. TYPOGRAPHY
   ========================================================= */

h1,
h2,
h3,
h4 {
    margin-bottom: 0;

    color: var(--text);
}

h1 {
    font-size: clamp(3rem, 7vw, 7.4rem);

    line-height: 0.97;

    letter-spacing: -0.058em;
}

h2 {
    font-size: clamp(2.25rem, 4.3vw, 4.8rem);

    line-height: 1.03;

    letter-spacing: -0.045em;
}

h3 {
    font-size: clamp(1.3rem, 1.7vw, 1.8rem);

    line-height: 1.2;

    letter-spacing: -0.025em;
}

p {
    margin-bottom: 0;

    color: var(--text-muted);
}

strong {
    color: var(--text);
}

.eyebrow {
    margin-bottom: 16px;

    color: var(--cyan);

    font-size: clamp(0.78rem, 0.75vw, 0.94rem);

    font-weight: 800;

    letter-spacing: 0.18em;

    text-transform: uppercase;
}

.text-link,
.card-link {
    color: #65ddff;

    font-size: 1rem;

    font-weight: 700;

    transition: color 0.2s ease;
}

.text-link:hover,
.card-link:hover {
    color: white;
}


/* =========================================================
   5. BUTTONS
   ========================================================= */

.btn {
    display: inline-flex;

    align-items: center;
    justify-content: center;

    min-height: 54px;

    padding: 0 22px;

    border: 1px solid transparent;

    border-radius: var(--radius-sm);

    background:
        linear-gradient(
            135deg,
            var(--blue),
            var(--cyan)
        );

    color: white;

    font-size: 1rem;

    font-weight: 700;

    cursor: pointer;

    box-shadow:
        0 14px 36px rgba(11, 125, 255, 0.22);

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        background 0.2s ease,
        border-color 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);

    box-shadow:
        0 19px 44px rgba(11, 125, 255, 0.29);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.025);

    border-color: var(--border);

    box-shadow: none;

    color: #dce7f5;
}

.btn-secondary:hover {
    background: var(--bg-card-hover);

    box-shadow: none;
}

.btn-small {
    min-height: 44px;

    padding-inline: 18px;

    font-size: 0.92rem;
}


/* =========================================================
   6. HEADER + NAV
   ========================================================= */

.site-header {
    position: fixed;

    z-index: 1000;

    top: 0;
    right: 0;
    left: 0;

    border-bottom: 1px solid transparent;

    transition:
        background 0.25s ease,
        border-color 0.25s ease,
        backdrop-filter 0.25s ease;
}

.site-header.scrolled {
    background: rgba(5, 13, 24, 0.9);

    backdrop-filter: blur(20px);

    border-bottom-color: var(--border);
}

.nav-container {
    min-height: var(--header-height);

    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 24px;
}

.brand {
    display: flex;

    align-items: center;

    flex-shrink: 0;
}

.brand img {
    width: clamp(98px, 8vw, 140px);
}

.main-nav {
    position: fixed;

    top: calc(var(--header-height) + 8px);
    right: var(--gutter);
    left: var(--gutter);

    max-height: calc(100svh - var(--header-height) - 30px);

    overflow-y: auto;

    display: flex;

    flex-direction: column;

    align-items: stretch;

    gap: 3px;

    padding: 14px;

    border: 1px solid var(--border);

    border-radius: 18px;

    background: rgba(5, 13, 24, 0.985);

    backdrop-filter: blur(22px);

    box-shadow: var(--shadow);

    opacity: 0;

    visibility: hidden;

    transform: translateY(-8px);

    transition:
        opacity 0.2s ease,
        visibility 0.2s ease,
        transform 0.2s ease;
}

.main-nav.open {
    opacity: 1;

    visibility: visible;

    transform: translateY(0);
}

.main-nav > a:not(.btn) {
    padding: 13px 14px;

    border-radius: 10px;

    color: #c5d2e3;

    font-size: 1rem;

    font-weight: 600;

    transition:
        color 0.2s ease,
        background 0.2s ease;
}

.main-nav > a:not(.btn):hover,
.main-nav > a.active {
    color: white;

    background: var(--bg-card);
}

.main-nav > a.active::after {
    display: none;
}

.main-nav .btn {
    width: 100%;

    margin-top: 6px;
}

.language-switch {
    display: flex;

    align-items: center;

    gap: 8px;

    margin-top: 5px;

    padding: 14px;

    border-top: 1px solid var(--border);
}

.language-active,
.language-coming-soon {
    font-size: 0.9rem;
}

.language-active {
    color: white;

    font-weight: 700;
}

.language-coming-soon {
    border: 0;

    background: transparent;

    color: #687b94;

    cursor: pointer;
}

.language-coming-soon:hover {
    color: var(--cyan);
}

.nav-toggle {
    width: 44px;
    height: 44px;

    display: flex;

    align-items: center;
    justify-content: center;

    flex-direction: column;

    gap: 5px;

    border: 1px solid var(--border);

    border-radius: 12px;

    background: var(--bg-card);

    cursor: pointer;
}

.nav-toggle span {
    width: 20px;
    height: 2px;

    display: block;

    border-radius: 50px;

    background: white;

    transition:
        transform 0.25s ease,
        opacity 0.25s ease;
}

.nav-toggle.open span:nth-child(1) {
    transform:
        translateY(7px)
        rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
    transform:
        translateY(-7px)
        rotate(-45deg);
}


/* =========================================================
   7. HERO
   ========================================================= */

.hero {
    position: relative;

    overflow: hidden;

    padding-top:
        calc(
            var(--header-height) + 72px
        );

    padding-bottom: clamp(64px, 9vw, 120px);
}

.hero-grid {
    display: grid;

    grid-template-columns: minmax(0, 1fr);

    align-items: center;

    gap: clamp(48px, 8vw, 100px);
}

.hero-content {
    min-width: 0;
}

.hero-content h1 {
    max-width: 1000px;
}

.hero-content h1 span {
    display: block;

    background:
        linear-gradient(
            90deg,
            #55aaff,
            #28e5ff
        );

    background-clip: text;

    -webkit-background-clip: text;

    color: transparent;
}

.hero-description {
    width: min(100%, 800px);

    margin-top: 28px;

    color: #b1c0d4;

    font-size: clamp(1.08rem, 1.25vw, 1.34rem);

    line-height: 1.75;
}

.hero-actions {
    display: flex;

    flex-direction: column;

    gap: 12px;

    margin-top: 30px;
}

.hero-actions .btn {
    width: 100%;
}

.hero-benefits {
    display: flex;

    flex-direction: column;

    gap: 10px;

    margin-top: 28px;
}

.hero-benefits span {
    display: flex;

    align-items: center;

    gap: 9px;

    color: #c5d1e1;

    font-size: 0.96rem;

    font-weight: 500;
}

.hero-benefits span::before {
    content: "";

    width: 7px;
    height: 7px;

    flex-shrink: 0;

    border-radius: 50%;

    background: var(--cyan);

    box-shadow: 0 0 15px var(--cyan);
}

.hero-glow {
    position: absolute;

    pointer-events: none;

    border-radius: 50%;

    filter: blur(90px);
}

.hero-glow-one {
    width: clamp(260px, 40vw, 620px);

    aspect-ratio: 1;

    right: -15%;
    top: 10%;

    background: rgba(0, 120, 255, 0.15);
}

.hero-glow-two {
    width: clamp(200px, 28vw, 420px);

    aspect-ratio: 1;

    left: 20%;
    bottom: 0;

    background: rgba(0, 220, 255, 0.06);
}

.hero-visual {
    width: 100%;

    min-width: 0;
}

.software-card {
    width: 100%;

    overflow: hidden;

    border: 1px solid var(--border);

    border-radius: 22px;

    background:
        linear-gradient(
            145deg,
            rgba(15, 33, 59, 0.98),
            rgba(5, 14, 28, 0.99)
        );

    box-shadow: var(--shadow);
}

.software-card-header {
    min-height: 54px;

    display: flex;

    align-items: center;
    justify-content: space-between;

    padding-inline: 18px;

    border-bottom: 1px solid var(--border);
}

.window-dots {
    display: flex;

    gap: 7px;
}

.window-dots span {
    width: 9px;
    height: 9px;

    border-radius: 50%;

    background: rgba(255, 255, 255, 0.23);
}

.window-title {
    display: none;

    color: #768ba6;

    font-family: monospace;

    font-size: 0.8rem;
}

.code-content {
    overflow-x: auto;

    padding: clamp(26px, 5vw, 56px);

    font-family:
        Consolas,
        "Courier New",
        monospace;

    font-size: clamp(0.82rem, 1vw, 1.1rem);

    line-height: 1.85;
}

.code-content p {
    margin-bottom: 8px;

    color: #bfd5f5;

    white-space: nowrap;
}

.code-indent {
    padding-left: 20px;
}

.code-purple {
    color: var(--purple);
}

.code-blue {
    color: var(--cyan);
}

.code-green {
    color: var(--green);
}


/* =========================================================
   8. SERVICES
   ========================================================= */

.service-grid {
    display: grid;

    grid-template-columns: minmax(0, 1fr);

    gap: 16px;
}

.service-card {
    min-width: 0;

    display: flex;

    flex-direction: column;

    padding: 26px;

    border: 1px solid var(--border);

    border-radius: var(--radius-md);

    background:
        linear-gradient(
            180deg,
            rgba(255, 255, 255, 0.055),
            rgba(255, 255, 255, 0.022)
        );

    transition:
        transform 0.25s ease,
        border-color 0.25s ease,
        background 0.25s ease;
}

.service-card:hover {
    transform: translateY(-5px);

    border-color: rgba(55, 192, 255, 0.4);

    background: var(--bg-card-hover);
}

.card-number {
    margin-bottom: 40px;

    color: var(--cyan);

    font-size: 0.82rem;

    font-weight: 800;
}

.service-card h3 {
    margin-bottom: 12px;
}

.service-card p {
    margin-bottom: 24px;

    font-size: 1rem;

    line-height: 1.7;
}

.service-card .card-link {
    margin-top: auto;
}


/* =========================================================
   9. WHY IUS / SPLIT LAYOUT
   ========================================================= */

.split-layout {
    display: grid;

    grid-template-columns: minmax(0, 1fr);

    gap: 48px;
}

.benefits-grid {
    display: grid;

    grid-template-columns: minmax(0, 1fr);

    gap: 16px;
}

.benefit-card {
    min-width: 0;

    padding: 26px;

    border: 1px solid var(--border);

    border-radius: var(--radius-md);

    background: var(--bg-card);
}

.benefit-icon {
    margin-bottom: 28px;

    color: var(--cyan);

    font-size: 0.8rem;

    font-weight: 800;
}

.benefit-card h3 {
    margin-bottom: 10px;
}

.benefit-card p {
    font-size: 1rem;
}


/* =========================================================
   10. PROJECT CARDS
   ========================================================= */

.project-grid {
    display: grid;

    grid-template-columns: minmax(0, 1fr);

    gap: 16px;
}

.project-card {
    min-width: 0;

    display: flex;

    flex-direction: column;

    padding: 26px;

    border: 1px solid var(--border);

    border-radius: var(--radius-md);

    background:
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.05),
            rgba(255, 255, 255, 0.02)
        );
}

.project-featured {
    background:
        radial-gradient(
            circle at 90% 0%,
            rgba(20, 177, 255, 0.14),
            transparent 42%
        ),
        var(--bg-card);
}

.project-label {
    width: fit-content;

    display: inline-flex;

    margin-bottom: 42px;

    padding: 7px 11px;

    border: 1px solid rgba(25, 211, 255, 0.2);

    border-radius: 999px;

    background: rgba(25, 211, 255, 0.06);

    color: var(--cyan);

    font-size: 0.72rem;

    font-weight: 800;

    letter-spacing: 0.08em;

    text-transform: uppercase;
}

.project-content {
    display: flex;

    flex: 1;

    flex-direction: column;
}

.project-content h3 {
    margin-bottom: 12px;
}

.project-content p {
    margin-bottom: 22px;
}

.project-tags {
    display: flex;

    flex-wrap: wrap;

    gap: 7px;

    margin-bottom: 22px;
}

.project-tags span {
    padding: 6px 10px;

    border: 1px solid var(--border);

    border-radius: 999px;

    color: #9fb1c8;

    font-size: 0.74rem;
}


/* =========================================================
   11. PROCESS
   ========================================================= */

.process-grid {
    display: grid;

    grid-template-columns: minmax(0, 1fr);

    gap: 16px;
}

.process-card {
    min-width: 0;

    padding: 25px;

    border: 1px solid var(--border);

    border-radius: var(--radius-md);

    background: var(--bg-card);
}

.process-number {
    width: 42px;
    height: 42px;

    display: grid;

    place-items: center;

    margin-bottom: 34px;

    border-radius: 12px;

    background: rgba(25, 211, 255, 0.09);

    color: var(--cyan);

    font-size: 0.78rem;

    font-weight: 800;
}

.process-card h3 {
    margin-bottom: 10px;
}


/* =========================================================
   12. ABOUT
   ========================================================= */

.about-home-grid,
.about-page-grid {
    display: grid;

    grid-template-columns: minmax(0, 1fr);

    gap: 48px;

    align-items: center;
}

.about-visual {
    min-height: 300px;

    display: grid;

    place-items: center;

    padding: 28px;

    border: 1px solid var(--border);

    border-radius: var(--radius-lg);

    background:
        radial-gradient(
            circle at 30% 20%,
            rgba(25, 211, 255, 0.25),
            transparent 35%
        ),
        linear-gradient(
            145deg,
            #09295f,
            #071526 65%
        );

    box-shadow: var(--shadow);
}

.about-logo-wrapper {
    display: flex;

    flex-direction: column;

    align-items: center;

    text-align: center;
}

.about-logo-wrapper img {
    width: min(80%, 300px);
}

.about-logo-wrapper span {
    margin-top: 18px;

    color: #91a9c3;

    font-size: 0.8rem;

    letter-spacing: 0.08em;
}

.about-text {
    margin-bottom: 0;
}

.about-text p {
    margin-top: 16px;

    font-size: 1.04rem;
}

.about-text .btn {
    margin-top: 24px;
}

.about-page-content h2 {
    margin-bottom: 22px;
}

.about-page-content p {
    margin-bottom: 15px;

    font-size: clamp(1rem, 1.15vw, 1.2rem);

    line-height: 1.75;
}

.about-links {
    display: flex;

    flex-direction: column;

    gap: 12px;

    margin-top: 28px;
}


/* =========================================================
   13. SMALL INFO
   ========================================================= */

.small-info-section {
    padding-block: 20px;
}

.small-info-card {
    display: flex;

    flex-direction: column;

    align-items: flex-start;

    gap: 20px;

    padding: 24px;

    border: 1px solid var(--border);

    border-radius: var(--radius-md);

    background: rgba(255, 255, 255, 0.025);
}

.small-info-title {
    display: block;

    margin-bottom: 5px;

    color: white;

    font-weight: 700;
}

.small-info-card p {
    font-size: 0.94rem;
}


/* =========================================================
   14. CONTACT CTA
   ========================================================= */

.contact-cta {
    display: flex;

    flex-direction: column;

    align-items: flex-start;

    gap: 32px;

    padding: clamp(28px, 5vw, 60px);

    border: 1px solid rgba(68, 194, 255, 0.22);

    border-radius: var(--radius-lg);

    background:
        radial-gradient(
            circle at 85% 10%,
            rgba(0, 156, 255, 0.18),
            transparent 38%
        ),
        linear-gradient(
            135deg,
            rgba(10, 40, 82, 0.9),
            rgba(8, 21, 39, 0.95)
        );

    box-shadow: var(--shadow);
}

.contact-cta h2 {
    margin-bottom: 14px;
}

.contact-cta p {
    width: min(100%, 800px);

    font-size: 1.02rem;
}

.contact-cta-actions {
    width: 100%;

    display: flex;

    flex-direction: column;

    gap: 10px;
}

.contact-cta-actions .btn {
    width: 100%;
}


/* =========================================================
   15. PAGE HERO
   ========================================================= */

.page-hero {
    padding-top:
        calc(
            var(--header-height) + 80px
        );

    padding-bottom: clamp(54px, 8vw, 110px);

    border-bottom: 1px solid rgba(255, 255, 255, 0.045);
}

.page-hero-content {
    width: min(100%, 1050px);
}

.page-hero h1 {
    font-size: clamp(3rem, 6vw, 6.4rem);
}

.page-hero p {
    width: min(100%, 820px);

    margin-top: 24px;

    font-size: clamp(1.05rem, 1.2vw, 1.25rem);

    line-height: 1.75;
}


/* =========================================================
   16. SERVICE DETAIL
   ========================================================= */

.detail-grid {
    display: grid;

    grid-template-columns: minmax(0, 1fr);

    gap: 24px;
}

.detail-number {
    color: rgba(76, 189, 255, 0.34);

    font-size: clamp(3.5rem, 8vw, 8rem);

    font-weight: 800;

    line-height: 1;

    letter-spacing: -0.06em;
}

.detail-content {
    width: min(100%, 920px);
}

.detail-content h2 {
    margin-bottom: 22px;
}

.detail-content > p {
    margin-bottom: 28px;

    font-size: clamp(1.04rem, 1.2vw, 1.24rem);

    line-height: 1.75;
}

.check-list {
    display: grid;

    grid-template-columns: minmax(0, 1fr);

    gap: 11px;
}

.check-list li {
    position: relative;

    padding-left: 25px;

    color: #bdcadb;

    font-size: 1rem;
}

.check-list li::before {
    content: "✓";

    position: absolute;

    left: 0;

    color: var(--cyan);

    font-weight: 800;
}


/* =========================================================
   17. PORTFOLIO DETAIL
   ========================================================= */

.portfolio-detail-grid {
    display: grid;

    grid-template-columns: minmax(0, 1fr);

    gap: 16px;
}

.portfolio-detail-card {
    min-width: 0;

    padding: 28px;

    border: 1px solid var(--border);

    border-radius: var(--radius-lg);

    background:
        linear-gradient(
            150deg,
            rgba(255, 255, 255, 0.055),
            rgba(255, 255, 255, 0.018)
        );
}

.portfolio-top {
    display: flex;

    align-items: flex-start;
    justify-content: space-between;

    gap: 16px;
}

.portfolio-number {
    color: #46617f;

    font-weight: 800;
}

.portfolio-detail-card h2 {
    margin-bottom: 18px;

    font-size: clamp(2rem, 3vw, 3rem);
}

.portfolio-detail-card p {
    margin-bottom: 15px;
}

.portfolio-detail-card .project-tags {
    margin-top: 26px;
}

.portfolio-detail-card .btn {
    margin-top: 14px;
}

.muted-note {
    padding: 15px 17px;

    border-left: 2px solid var(--cyan);

    background: rgba(25, 211, 255, 0.035);

    color: #8396ae;

    font-size: 0.88rem;
}

.technology-grid {
    display: flex;

    flex-wrap: wrap;

    gap: 9px;
}

.technology-grid span {
    padding: 10px 14px;

    border: 1px solid var(--border);

    border-radius: 999px;

    background: var(--bg-card);

    color: #bacbe0;

    font-size: 0.9rem;

    font-weight: 600;
}


/* =========================================================
   18. PRINCIPLES
   ========================================================= */

.principles-grid {
    display: grid;

    grid-template-columns: minmax(0, 1fr);

    gap: 16px;
}

.principle-card {
    min-width: 0;

    padding: 25px;

    border: 1px solid var(--border);

    border-radius: var(--radius-md);

    background: var(--bg-card);
}

.principle-card h3 {
    margin-bottom: 10px;
}


/* =========================================================
   19. CONTACT PAGE
   ========================================================= */

.contact-layout {
    display: grid;

    grid-template-columns: minmax(0, 1fr);

    gap: 48px;
}

.contact-info h2 {
    margin-bottom: 15px;
}

.contact-info > p {
    margin-bottom: 28px;
}

.contact-info-list {
    display: grid;

    gap: 12px;
}

.contact-info-item {
    min-width: 0;

    display: flex;

    flex-direction: column;

    gap: 4px;

    padding: 17px 18px;

    border: 1px solid var(--border);

    border-radius: var(--radius-sm);

    background: var(--bg-card);

    overflow-wrap: anywhere;

    transition:
        border-color 0.2s ease,
        background 0.2s ease;
}

.contact-info-item:hover {
    border-color: rgba(36, 203, 255, 0.32);

    background: var(--bg-card-hover);
}

.contact-info-label {
    color: #7f95ae;

    font-size: 0.74rem;

    letter-spacing: 0.09em;

    text-transform: uppercase;
}

.vat-note {
    margin-top: 26px;

    padding: 18px;

    border-left: 2px solid var(--cyan);

    background: rgba(25, 211, 255, 0.035);
}

.vat-note p {
    margin-top: 5px;

    font-size: 0.9rem;
}

.contact-form-wrapper {
    min-width: 0;

    padding: clamp(22px, 4vw, 42px);

    border: 1px solid var(--border);

    border-radius: var(--radius-lg);

    background: rgba(255, 255, 255, 0.035);
}

.contact-form {
    display: grid;

    gap: 20px;
}

.form-row {
    display: grid;

    grid-template-columns: minmax(0, 1fr);

    gap: 18px;
}

.form-group {
    min-width: 0;

    display: grid;

    gap: 7px;
}

.form-group label {
    color: #dce7f5;

    font-size: 0.9rem;

    font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    min-width: 0;

    border: 1px solid var(--border);

    border-radius: 12px;

    outline: none;

    background: rgba(255, 255, 255, 0.045);

    color: white;

    font-size: 1rem;

    transition:
        border-color 0.2s ease,
        background 0.2s ease,
        box-shadow 0.2s ease;
}

.form-group input,
.form-group select {
    height: 54px;

    padding-inline: 15px;
}

.form-group textarea {
    min-height: 170px;

    resize: vertical;

    padding: 15px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: rgba(25, 211, 255, 0.65);

    background: rgba(255, 255, 255, 0.06);

    box-shadow:
        0 0 0 3px rgba(25, 211, 255, 0.06);
}

.form-group select option {
    background: #0b1829;

    color: white;
}

.form-checkbox {
    display: flex;

    align-items: flex-start;

    gap: 10px;
}

.form-checkbox input {
    width: 17px;
    height: 17px;

    flex-shrink: 0;

    margin-top: 4px;

    accent-color: var(--blue);
}

.form-checkbox label {
    color: var(--text-muted);

    font-size: 0.84rem;
}

.form-submit {
    width: 100%;
}

.form-note {
    color: #74879e;

    font-size: 0.76rem;
}


/* =========================================================
   20. FOOTER
   ========================================================= */

.site-footer {
    padding-top: clamp(48px, 6vw, 80px);

    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;

    grid-template-columns: minmax(0, 1fr);

    gap: 34px;

    padding-bottom: 42px;
}

.footer-brand img {
    width: 105px;

    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.92rem;
}

.footer-column {
    min-width: 0;

    display: flex;

    flex-direction: column;

    gap: 9px;
}

.footer-column h4 {
    margin-bottom: 7px;

    color: white;

    font-size: 0.9rem;
}

.footer-column a {
    color: #8498b1;

    font-size: 0.9rem;

    overflow-wrap: anywhere;

    transition: color 0.2s ease;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    min-height: 76px;

    display: flex;

    flex-direction: column;

    align-items: flex-start;
    justify-content: center;

    gap: 5px;

    padding-block: 17px;

    border-top: 1px solid var(--border);
}

.footer-bottom p {
    color: #6f829a;

    font-size: 0.76rem;
}


/* =========================================================
   21. ANIMATIONS
   ========================================================= */

.reveal {
    opacity: 0;

    transform: translateY(20px);

    transition:
        opacity 0.65s ease,
        transform 0.65s ease;
}

.reveal.visible {
    opacity: 1;

    transform: translateY(0);
}


/* =========================================================
   22. LARGE PHONE
   >= 480px
   ========================================================= */

@media (min-width: 480px) {

    .hero-actions {
        flex-direction: row;

        flex-wrap: wrap;
    }

    .hero-actions .btn {
        width: auto;
    }

    .hero-benefits {
        flex-direction: row;

        flex-wrap: wrap;

        gap: 12px 22px;
    }

    .contact-cta-actions {
        flex-direction: row;

        flex-wrap: wrap;
    }

    .contact-cta-actions .btn {
        width: auto;
    }

    .about-links {
        flex-direction: row;

        flex-wrap: wrap;
    }

    .form-submit {
        width: fit-content;
    }

}


/* =========================================================
   23. TABLET
   >= 640px
   ========================================================= */

@media (min-width: 640px) {

    :root {
        --header-height: 82px;
    }

    .service-grid {
        grid-template-columns:
            repeat(
                2,
                minmax(0, 1fr)
            );
    }

    .benefits-grid {
        grid-template-columns:
            repeat(
                2,
                minmax(0, 1fr)
            );
    }

    .project-grid {
        grid-template-columns:
            repeat(
                2,
                minmax(0, 1fr)
            );
    }

    .process-grid {
        grid-template-columns:
            repeat(
                2,
                minmax(0, 1fr)
            );
    }

    .principles-grid {
        grid-template-columns:
            repeat(
                2,
                minmax(0, 1fr)
            );
    }

    .check-list {
        grid-template-columns:
            repeat(
                2,
                minmax(0, 1fr)
            );
    }

    .portfolio-detail-grid {
        grid-template-columns:
            repeat(
                2,
                minmax(0, 1fr)
            );
    }

    .form-row {
        grid-template-columns:
            repeat(
                2,
                minmax(0, 1fr)
            );
    }

    .footer-grid {
        grid-template-columns:
            1.4fr
            1fr;

        gap: 42px;
    }

    .footer-brand {
        grid-column:
            1 / -1;
    }

    .footer-bottom {
        flex-direction: row;

        align-items: center;
        justify-content: space-between;
    }

}


/* =========================================================
   24. TABLET LANDSCAPE / SMALL LAPTOP
   >= 768px
   ========================================================= */

@media (min-width: 768px) {

    .hero {
        padding-top:
            calc(
                var(--header-height) + 92px
            );
    }

    .software-card {
        width: min(100%, 760px);

        border-radius: var(--radius-lg);
    }

    .window-title {
        display: block;
    }

    .project-grid {
        grid-template-columns:
            repeat(
                2,
                minmax(0, 1fr)
            );
    }

    .process-grid {
        grid-template-columns:
            repeat(
                3,
                minmax(0, 1fr)
            );
    }

    .about-visual {
        min-height: 380px;
    }

    .small-info-card {
        flex-direction: row;

        align-items: center;
        justify-content: space-between;
    }

    .contact-cta {
        padding:
            clamp(
                38px,
                5vw,
                68px
            );
    }

}


/* =========================================================
   25. LAPTOP
   >= 1024px

   Hier schakelt de hoofdwebsite naar desktop layout.
   ========================================================= */

@media (min-width: 1024px) {

    :root {
        --header-height: 90px;
    }


    /* ---------- navigation ---------- */

    .nav-toggle {
        display: none;
    }

    .main-nav {
        position: static;

        max-height: none;

        overflow: visible;

        display: flex;

        flex-direction: row;

        align-items: center;

        gap: clamp(15px, 1.5vw, 28px);

        padding: 0;

        border: 0;

        border-radius: 0;

        background: transparent;

        backdrop-filter: none;

        box-shadow: none;

        opacity: 1;

        visibility: visible;

        transform: none;
    }

    .main-nav > a:not(.btn) {
        padding: 0;

        border-radius: 0;

        background: transparent;

        font-size: clamp(0.86rem, 0.85vw, 1rem);

        white-space: nowrap;
    }

    .main-nav > a:not(.btn):hover,
    .main-nav > a.active {
        background: transparent;
    }

    .main-nav > a.active::after {
        content: "";

        position: absolute;

        right: 0;
        bottom: -9px;
        left: 0;

        height: 2px;

        display: block;

        border-radius: 2px;

        background:
            linear-gradient(
                90deg,
                var(--blue),
                var(--cyan)
            );
    }

    .main-nav .btn {
        width: auto;

        margin-top: 0;
    }

    .language-switch {
        margin-top: 0;

        padding:
            0
            0
            0
            12px;

        border-top: 0;
        border-left: 1px solid var(--border);
    }


    /* ---------- hero ---------- */

    .hero {
        min-height: 100svh;

        display: flex;

        align-items: center;

        padding-top:
            calc(
                var(--header-height) + 55px
            );

        padding-bottom: 70px;
    }

    .hero-grid {
        grid-template-columns:
            minmax(0, 1.06fr)
            minmax(380px, 0.94fr);

        gap: clamp(44px, 5vw, 88px);
    }

    .hero-description {
        width: min(100%, 760px);
    }

    .hero-visual {
        display: flex;

        justify-content: flex-end;
    }

    .software-card {
        width: 100%;

        max-width: 690px;

        transform: rotate(1.3deg);
    }


    /* ---------- grids ---------- */

    .service-grid {
        grid-template-columns:
            repeat(
                4,
                minmax(0, 1fr)
            );
    }

    .split-layout {
        grid-template-columns:
            minmax(0, 0.9fr)
            minmax(0, 1.1fr);

        gap: clamp(60px, 7vw, 120px);
    }

    .project-grid {
        grid-template-columns:
            repeat(
                3,
                minmax(0, 1fr)
            );
    }

    .process-grid {
        grid-template-columns:
            repeat(
                5,
                minmax(0, 1fr)
            );
    }

    .about-home-grid,
    .about-page-grid {
        grid-template-columns:
            minmax(360px, 0.8fr)
            minmax(0, 1.2fr);

        gap: clamp(60px, 7vw, 120px);
    }

    .contact-cta {
        flex-direction: row;

        align-items: center;
        justify-content: space-between;

        gap: 60px;
    }

    .contact-cta-actions {
        width: auto;

        flex-shrink: 0;
    }

    .detail-grid {
        grid-template-columns:
            minmax(120px, 0.22fr)
            minmax(0, 1fr);

        gap: clamp(45px, 6vw, 95px);
    }

    .contact-layout {
        grid-template-columns:
            minmax(300px, 0.72fr)
            minmax(0, 1.28fr);

        gap: clamp(55px, 7vw, 115px);

        align-items: start;
    }

    .footer-grid {
        grid-template-columns:
            minmax(0, 1.5fr)
            minmax(180px, 0.7fr)
            minmax(220px, 0.8fr);

        gap: clamp(50px, 7vw, 120px);
    }

    .footer-brand {
        grid-column: auto;
    }

}


/* =========================================================
   26. NORMAL DESKTOP
   >= 1280px
   ========================================================= */

@media (min-width: 1280px) {

    :root {
        --gutter: clamp(44px, 4vw, 76px);
    }

    .nav-container {
        min-height: 94px;
    }

    .brand img {
        width: 132px;
    }

    .main-nav > a:not(.btn) {
        font-size: 0.98rem;
    }

    .hero-grid {
        grid-template-columns:
            minmax(0, 1.08fr)
            minmax(430px, 0.92fr);

        gap: clamp(64px, 6vw, 105px);
    }

    .software-card {
        max-width: 740px;
    }

    .service-card {
        min-height: 320px;

        padding: 30px;
    }

    .project-card {
        min-height: 405px;

        padding: 30px;
    }

    .process-card {
        min-height: 285px;
    }

    .about-visual {
        min-height: 460px;
    }

}


/* =========================================================
   27. LARGE DESKTOP
   >= 1440px
   ========================================================= */

@media (min-width: 1440px) {

    :root {
        --gutter: clamp(52px, 4vw, 88px);
    }

    .hero-content h1 {
        max-width: 1050px;
    }

    .hero-description {
        max-width: 820px;

        font-size: 1.24rem;
    }

    .software-card {
        max-width: 780px;
    }

    .code-content {
        font-size: 1.05rem;
    }

    .service-card p,
    .benefit-card p,
    .project-content p,
    .process-card p {
        font-size: 1.02rem;
    }

}


/* =========================================================
   28. LARGE MONITOR
   >= 1600px
   ========================================================= */

@media (min-width: 1600px) {

    :root {
        --gutter: 72px;
    }

    .hero-grid {
        grid-template-columns:
            minmax(0, 1.05fr)
            minmax(520px, 0.95fr);

        gap: 110px;
    }

    .software-card {
        max-width: 810px;
    }

    .service-card {
        padding: 34px;
    }

    .benefit-card,
    .project-card {
        padding: 34px;
    }

}


/* =========================================================
   29. ULTRAWIDE / 2K / 4K
   >= 1920px
   ========================================================= */

@media (min-width: 1920px) {

    /*
       Op een zeer brede monitor wordt de website niet
       tot 2500px uitgetrokken. We houden de leesbreedte
       professioneel, maar benutten wel duidelijk meer
       scherm dan de oude 1200px-layout.
    */

    :root {
        --content-max: 1760px;
        --gutter: 80px;
    }

    .hero-grid {
        gap: 130px;
    }

    .software-card {
        max-width: 850px;
    }

}


/* =========================================================
   30. EXTRA SMALL HEIGHT LAPTOP

   Bijvoorbeeld 1366x768.
   Zorgt dat de hero niet kunstmatig enorm hoog wordt.
   ========================================================= */

@media (
    min-width: 1024px
) and (
    max-height: 800px
) {

    .hero {
        min-height: auto;

        padding-top:
            calc(
                var(--header-height) + 70px
            );

        padding-bottom: 80px;
    }

}


/* =========================================================
   31. REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration:
            0.01ms !important;

        animation-iteration-count:
            1 !important;

        transition-duration:
            0.01ms !important;
    }

    .reveal {
        opacity: 1;

        transform: none;
    }

}