/*---------------------------------------
  1. VARIABLES & BASE STYLES
----------------------------------------*/
:root {
    --primary-color: #0b1f3a;
    --secondary-color: #0b7a75;
    --secondary-strong-color: #095e5a;
    --accent-color: #1d4ed8;
    --text-color: #1b2a41;
    --muted-color: #5e718f;
    --light-color: #f6f8fc;
    --dark-color: #081428;
    --background-color: #f6f8fc;
    --surface-color: #ffffff;
    --surface-alt-color: #eaf0f7;
    --border-color: #ced9e7;
    --shadow-color: rgba(11, 22, 43, 0.1);
    --header-bg-color: rgba(255, 255, 255, 0.88);
    --hero-overlay-start: rgba(11, 31, 58, 0.62);
    --hero-overlay-end: rgba(11, 122, 117, 0.34);
    --section-tint-start: rgba(29, 78, 216, 0.08);
    --section-tint-end: rgba(11, 122, 117, 0.08);
    --slideshow-frame-start: rgba(11, 31, 58, 0.93);
    --slideshow-frame-end: rgba(23, 48, 89, 0.9);
    --about-gradient-start: #10213d;
    --about-gradient-end: #173059;
    --footer-gradient-start: #0c1d36;
    --footer-gradient-end: #081428;
    --input-bg-color: var(--surface-color);
    --theme-toggle-text-color: var(--text-color);
    --page-glow: rgba(29, 78, 216, 0.08);
    --font-main: 'Roboto', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
}

.dark-mode {
    --primary-color: #e6efff;
    --secondary-color: #4fd1c5;
    --secondary-strong-color: #1da39a;
    --accent-color: #7aa2ff;
    --text-color: #dae7fb;
    --muted-color: #98adcb;
    --light-color: #07111f;
    --background-color: #07111f;
    --surface-color: #0e1a2b;
    --surface-alt-color: #15243a;
    --border-color: #253851;
    --shadow-color: rgba(0, 0, 0, 0.36);
    --header-bg-color: rgba(7, 17, 31, 0.88);
    --hero-overlay-start: rgba(3, 9, 22, 0.72);
    --hero-overlay-end: rgba(14, 78, 74, 0.45);
    --section-tint-start: rgba(122, 162, 255, 0.1);
    --section-tint-end: rgba(79, 209, 197, 0.1);
    --slideshow-frame-start: rgba(7, 17, 31, 0.96);
    --slideshow-frame-end: rgba(20, 36, 58, 0.94);
    --about-gradient-start: #0a1324;
    --about-gradient-end: #111f36;
    --footer-gradient-start: #050d1b;
    --footer-gradient-end: #020712;
    --input-bg-color: #0d1626;
    --theme-toggle-text-color: #f1f6ff;
    --page-glow: rgba(122, 162, 255, 0.14);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    height: 100%;
}

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.65;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: radial-gradient(circle at top, var(--page-glow), transparent 35%), var(--background-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

main {
    flex: 1;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    margin-bottom: 1rem;
    color: var(--primary-color);
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

section {
    padding: 5.5rem 2rem;
}

img {
    max-width: 100%;
    height: auto;
}

/*---------------------------------------
  2. COMMON COMPONENTS
----------------------------------------*/
.btn {
    display: inline-block;
    padding: 0.9rem 1.6rem;
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-strong-color));
    color: white;
    border: none;
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    box-shadow: 0 8px 20px var(--shadow-color);
    transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
}

.btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.02);
    box-shadow: 0 12px 24px var(--shadow-color);
    color: white;
}

.btn-outline {
    display: inline-block;
    padding: 0.85rem 1.55rem;
    background: transparent;
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.btn-outline:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px var(--shadow-color);
}

/*---------------------------------------
  3. HEADER & NAVIGATION
----------------------------------------*/
header {
    background-color: var(--header-bg-color);
    backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.06), 0 10px 30px rgba(15, 23, 42, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color 0.3s ease;
}

.dark-mode header {
    background-color: var(--header-bg-color);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04), 0 10px 30px rgba(0, 0, 0, 0.28);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    padding: 0.65rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.logo h1 {
    font-size: 1.8rem;
    margin: 0;
    color: var(--secondary-color);
}

.logo {
    display: flex;
    align-items: center;
    padding: 0; /* Verwijder padding */
}

.logo img {
    height: 60px; /* Vergroot van 50px naar 60px */
    width: auto;
    vertical-align: middle;
}

.logo .logo-dark-theme {
    display: none;
}

.dark-mode .logo .logo-light-theme {
    display: none;
}

.dark-mode .logo .logo-dark-theme {
    display: block;
}

.logo a {
    display: flex; /* Zorgt voor betere uitlijning van het logo */
    align-items: center;
}

nav ul {
    display: flex;
    list-style: none;
    align-items: center;
}

nav li {
    margin-left: 2rem;
}

nav a {
    font-weight: 500;
    color: var(--text-color);
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    border-radius: 999px;
    transition: width 0.25s ease;
}

nav a:hover::after,
nav a.active::after {
    width: 100%;
}

nav a.active {
    color: var(--secondary-color);
    font-weight: 600;
}

.mobile-menu-button {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background-color: var(--surface-color);
    cursor: pointer;
    padding: 9px 8px;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 3px 10px var(--shadow-color);
}

.mobile-menu-button span {
    display: block;
    width: 100%;
    height: 3px;
    border-radius: 999px;
    background-color: var(--text-color);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-menu-button.active span:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
}

.mobile-menu-button.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-button.active span:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
}

/*---------------------------------------
  4. HERO SECTION
----------------------------------------*/
.hero {
    background:
        linear-gradient(to top, var(--background-color) 0%, transparent 18%),
        linear-gradient(135deg, var(--hero-overlay-start), var(--hero-overlay-end)),
        url('../assets/index_background.png')
        no-repeat center center/cover;
    color: white;
    text-align: center;
    padding: 9rem 1rem;
}

.hero h1 {
    font-size: clamp(2.4rem, 4vw, 4rem);
    color: white;
    margin-bottom: 1rem;
    text-shadow: 0 2px 14px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 1.15rem;
    margin-bottom: 2.25rem;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.92);
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.35);
}

/*---------------------------------------
  4b. PAGE BANNER (subpagina's)
----------------------------------------*/
.page-banner {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 3.5rem 2rem;
    text-align: left;
    background: transparent;
    border: none;
    box-shadow: none;
}

.page-banner + section {
    padding-top: 3rem;
}

.not-found {
    text-align: center;
    padding: 3rem 2rem 5rem;
    background-color: transparent;
}

.not-found p {
    color: var(--muted-color);
    max-width: 480px;
    margin: 0 auto 2rem;
}

.page-banner h1 {
    font-size: clamp(2rem, 3.4vw, 3.35rem);
    color: var(--primary-color);
    margin-bottom: 0.7rem;
    position: relative;
    display: block;
    padding-bottom: 0;
}

.page-banner h1::before {
    content: '';
    position: absolute;
    inset: -40% -20% -40% -20%;
    z-index: -1;
    pointer-events: none;
    background: radial-gradient(
        ellipse 800px 300px at 15% 50%,
        rgba(29, 78, 216, 0.06) 0%,
        transparent 45%
    );
    filter: blur(60px);
}

.dark-mode .page-banner h1::before {
    background: radial-gradient(
        ellipse 800px 300px at 15% 50%,
        rgba(122, 162, 255, 0.08) 0%,
        transparent 45%
    );
}

.page-banner p {
    color: var(--muted-color);
    font-size: 1.02rem;
    margin: 0;
    max-width: 60ch;
    position: relative;
    z-index: 1;
}

.equipment--banner-overlap {
    position: relative;
    margin-top: -1.75rem;
    padding-top: 4rem;
    background:
        linear-gradient(180deg, rgba(11, 31, 58, 0.14), rgba(11, 31, 58, 0)),
        linear-gradient(180deg, var(--light-color), var(--light-color));
}

.dark-mode .equipment--banner-overlap {
    background:
        linear-gradient(180deg, rgba(7, 17, 31, 0.18), rgba(7, 17, 31, 0)),
        linear-gradient(180deg, var(--light-color), var(--light-color));
}

/*---------------------------------------
  5. SHOWCASE / SLIDESHOW
----------------------------------------*/
.showcase {
    /* keep outer showcase section transparent so inner CTA/card backgrounds
       display correctly (match `apparatuur` page) */
    background: transparent;
    text-align: center;
}

.showcase h2 {
    margin-bottom: 0.5rem;
    font-size: clamp(1.6rem, 2.5vw, 2.4rem);
    position: relative;
    padding-bottom: 1rem;
}

.showcase p {
    max-width: 760px;
    margin: 0 auto 2rem;
    color: var(--muted-color);
}

button.btn {
    width: auto;
    min-width: 220px;
    padding: 1rem 2.2rem;
    font-size: 1.06rem;
    margin: 0 auto;
    display: block;
}

.contact form button.btn {
    min-width: 240px;
    padding: 1.05rem 2.4rem;
}

.slideshow {
    max-width: 980px;
    margin: 0 auto;
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 14px 38px var(--shadow-color);
    background-color: var(--surface-color);
}

.slideshow-track {
    position: relative;
    min-height: 280px;
    aspect-ratio: 4 / 3;
    background: linear-gradient(135deg, var(--slideshow-frame-start), var(--slideshow-frame-end));
}

.slide {
    display: none;
    width: 100%;
    height: 100%;
    margin: 0;
}

.slide.active {
    display: grid;
    place-items: center;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
}

.slide-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 999px;
    background-color: rgba(15, 23, 42, 0.52);
    color: white;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
    transition: background-color 0.25s ease, transform 0.25s ease;
}

.slide-control:hover {
    background-color: rgba(15, 23, 42, 0.8);
}

.slide-control:active {
    transform: translateY(-50%) scale(0.98);
}

.slide-control-prev {
    left: 1rem;
}

.slide-control-next {
    right: 1rem;
}

.slideshow-dots {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 0.6rem;
}

.slideshow-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    border: none;
    background-color: color-mix(in srgb, var(--muted-color) 55%, white);
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.slideshow-dot.active {
    transform: scale(1.15);
    background-color: var(--secondary-color);
}

.slideshow-status {
    margin-top: 1rem;
    color: var(--muted-color);
}

.showcase-showcase {
    display: grid;
    gap: 1.25rem; /* reduced gap so image and text sit closer */
    max-width: 1200px;
    margin: 0 auto;
}

.equipment-showcase {
    background: linear-gradient(180deg, var(--section-tint-start), transparent 24%);
    border-radius: 26px;
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
}

.showcase-entry {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) minmax(280px, 1fr);
    gap: 1.25rem; /* tighten columns */
    align-items: center;
    background: linear-gradient(135deg, color-mix(in srgb, var(--surface-color) 92%, transparent), var(--surface-alt-color));
    border: 1px solid var(--border-color);
    border-radius: 22px;
    padding: 0.8rem; /* reduce inner padding to bring content closer */
    box-shadow: 0 14px 38px var(--shadow-color);
}

.showcase-entry--reverse {
    grid-template-columns: minmax(280px, 0.95fr) minmax(280px, 1.05fr);
}

.showcase-entry--reverse .showcase-image-wrap {
    order: 2;
}

.showcase-entry--reverse .showcase-content {
    order: 1;
}

.showcase-image-wrap {
    margin: 0;
    border-radius: 18px;
    overflow: hidden;
    /* make wrapper transparent so no different-coloured band appears around contained images */
    background: transparent;
    /* remove inset border/outline around images */
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}

.showcase-image-wrap img {
    width: 100%;
    display: block;
    aspect-ratio: 4 / 3;
    /* show the full image without cropping */
    object-fit: contain;
    object-position: center;
}

.showcase-content {
    padding: 0.5rem 0.5rem 0.5rem 0.25rem; /* slightly reduced padding for tighter layout */
}

.showcase-content h2 {
    margin-bottom: 0.8rem;
    font-size: clamp(1.5rem, 2vw, 2.1rem);
}

.showcase-content p {
    margin: 0 0 1rem;
    color: var(--muted-color);
}

.showcase-points {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.7rem;
}

.showcase-points li {
    position: relative;
    padding-left: 1.3rem;
    color: var(--text-color);
}

.showcase-points li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 700;
}

/*---------------------------------------
    6. SECTION HEADINGS
----------------------------------------*/
.equipment h2,
.services h2,
.about h2,
.contact h2 {
    text-align: center;
    margin-bottom: 2.5rem;
    font-size: clamp(1.6rem, 2.5vw, 2.4rem);
    position: relative;
    padding-bottom: 1rem;
}

.showcase h2::after,
.equipment h2::after,
.services h2::after,
.about h2::after,
.contact h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--secondary-color));
    border-radius: 999px;
}

/*---------------------------------------
    7. EQUIPMENT SECTION
----------------------------------------*/
.equipment {
    background-color: transparent;
    transition: background-color 0.3s ease;
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.package-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.equipment-item {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 2rem;
    box-shadow: 0 10px 30px var(--shadow-color);
    transition: transform 0.28s ease, background-color 0.3s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.dark-mode .equipment-item {
    background-color: var(--surface-color);
}

.equipment-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 34px var(--shadow-color), inset 0 3px 0 var(--accent-color);
    border-color: rgba(37, 99, 235, 0.35);
}

.equipment-item h3 {
    color: var(--primary-color);
}

.equipment-item img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    background: linear-gradient(145deg, var(--surface-alt-color), var(--background-color));
    border-radius: 12px;
    margin-bottom: 1rem;
    padding: 12px;
    box-shadow: inset 0 0 0 1px var(--border-color), inset 0 4px 14px rgba(0, 0, 0, 0.05);
}

.package-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 2rem;
    box-shadow: 0 10px 30px var(--shadow-color);
    overflow: hidden;
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease, background-color 0.3s ease;
}

.package-card::before {
    content: '';
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--accent-color), var(--secondary-color));
}

.package-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 34px var(--shadow-color), inset 0 3px 0 var(--accent-color);
    border-color: rgba(37, 99, 235, 0.35);
}

.package-card--featured {
    border-color: rgba(11, 122, 117, 0.35);
}

.package-card--featured::before {
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
}

.package-badge {
    display: inline-flex;
    width: fit-content;
    align-items: center;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background-color: color-mix(in srgb, var(--secondary-color) 14%, transparent);
    color: var(--secondary-color);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.package-card h3 {
    color: var(--primary-color);
    margin-bottom: 0;
}

.package-card p {
    color: var(--muted-color);
}

.package-features {
    list-style: none;
    display: grid;
    gap: 0.65rem;
    margin: 0;
    padding: 0;
}

.package-features li {
    position: relative;
    padding-left: 1.35rem;
    color: var(--text-color);
}

.package-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 700;
}

.package-card .btn,
.package-card .btn-outline {
    margin-top: auto;
    width: 100%;
    text-align: center;
}

/*---------------------------------------
    8. SERVICES SECTION
----------------------------------------*/
.services-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.service {
    text-align: center;
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 18px;
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease, background-color 0.3s ease;
    background-color: var(--surface-color);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.dark-mode .service {
    background-color: var(--surface-color);
    border-color: var(--border-color);
}

.service:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 34px var(--shadow-color), inset 0 3px 0 var(--accent-color);
    border-color: rgba(37, 99, 235, 0.35);
}

.service h3 {
    color: var(--primary-color);
}

/*---------------------------------------
    9. ABOUT SECTION
----------------------------------------*/
.about {
    background: linear-gradient(135deg, var(--about-gradient-start), var(--about-gradient-end));
    color: white;
    text-align: center;
}

.about h2 {
    color: white;
}

.about p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
}

/*---------------------------------------
    10. CONTACT SECTION
----------------------------------------*/
.contact {
    background-color: transparent;
    transition: background-color 0.3s ease;
}

.contact form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--surface-color);
    padding: 2rem;
    border-radius: 18px;
    border: 1px solid var(--border-color);
    box-shadow: 0 12px 32px var(--shadow-color);
    transition: background-color 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.dark-mode .contact form {
    background-color: var(--surface-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input, textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-family: inherit;
    background-color: var(--surface-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.dark-mode input, .dark-mode textarea {
    background-color: var(--input-bg-color);
    color: #e2e8f0;
    border-color: var(--border-color);
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

select {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-family: inherit;
    background-color: var(--surface-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.dark-mode select {
    background-color: var(--input-bg-color);
    color: #e2e8f0;
    border-color: var(--border-color);
}

select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

/*---------------------------------------
    11. FOOTER
----------------------------------------*/
footer {
    background: linear-gradient(180deg, var(--footer-gradient-start), var(--footer-gradient-end));
    color: white;
    padding: 2rem 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

footer h3 {
    color: white;
    margin-bottom: 1rem;
}

footer p {
    color: rgba(255, 255, 255, 0.82);
}

.footer-logo {
    height: 50px;
    width: auto;
    display: block;
    margin-bottom: 0.75rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9rem;
    line-height: 1.6;
}

@media (min-width: 769px) {
    .footer-content > div:not(:first-child) {
        border-left: 1px solid rgba(255, 255, 255, 0.1);
        padding-left: 2.5rem;
    }
}

.copyright {
    text-align: center;
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/*---------------------------------------
    12. RESPONSIVE DESIGN
----------------------------------------*/
@media (max-width: 768px) {
    nav {
        flex-wrap: wrap;
        justify-content: flex-start;
        gap: 0.8rem;
        padding: 0.65rem 1rem;
    }

    .logo {
        order: 1;
    }

    .mobile-menu-button {
        display: flex;
        order: 3;
    }

    .theme-toggle {
        order: 2;
        width: auto;
        margin-left: auto;
        justify-content: center;
    }
    
    nav ul {
        order: 4;
        width: 100%;
        display: none;
        margin-top: 0.25rem;
        padding: 0.6rem;
        flex-direction: column;
        align-items: stretch;
        gap: 0.35rem;
        border: 1px solid var(--border-color);
        border-radius: 14px;
        background-color: var(--surface-color);
        box-shadow: 0 10px 28px var(--shadow-color);
    }

    nav ul.show {
        display: flex;
    }
    
    nav li {
        margin: 0;
    }

    nav li a {
        display: block;
        padding: 0.75rem 0.85rem;
        border-radius: 10px;
    }

    nav a::after {
        display: none;
    }

    nav li a.active {
        background-color: color-mix(in srgb, var(--secondary-color) 14%, transparent);
    }
    
    .hero h2 {
        font-size: 2rem;
    }

    .hero {
        background-size: auto, auto, contain;
        background-position: center center, center center, center top;
        background-repeat: no-repeat, no-repeat, no-repeat;
        padding: 7rem 1rem 4rem;
    }

    .slideshow-track {
        aspect-ratio: auto;
        min-height: 0;
        height: clamp(220px, 68vw, 420px);
    }

    .slide img {
        max-height: 100%;
    }

    .slide-control {
        width: 40px;
        height: 40px;
        font-size: 1.3rem;
    }

    .slide-control-prev {
        left: 0.55rem;
    }

    .slide-control-next {
        right: 0.55rem;
    }
    
    section {
        padding: 3rem 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }

    .showcase-entry,
    .showcase-entry--reverse {
        grid-template-columns: 1fr;
    }

    .showcase-entry--reverse .showcase-image-wrap,
    .showcase-entry--reverse .showcase-content {
        order: initial;
    }

    .showcase-content {
        padding: 0.25rem 0.35rem 0.5rem;
    }
}

@media (max-width: 480px) {
    .slideshow-track {
        height: clamp(200px, 72vw, 340px);
    }

    .hero {
        padding: 6.5rem 1rem 3.5rem;
    }
}

/*---------------------------------------
    13. CALL TO ACTION
----------------------------------------*/
.call-to-action {
    text-align: center;
    margin-top: 4rem;
    padding: 2.5rem 2rem;
    background: linear-gradient(135deg, var(--about-gradient-start), var(--about-gradient-end));
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;

}

/* ensure there is space between CTA and footer */
.call-to-action {
    /* match top spacing (4rem) so top and bottom are equal on CTA blocks */
    margin-bottom: 0; /* rely on section padding-bottom for bottom spacing */
}

/* make the vertical padding of these sections match the CTA top spacing */
.equipment,
.showcase {
    padding-bottom: 4rem; /* override default 5.5rem so bottom equals CTA top spacing */
}

.dark-mode .call-to-action {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.06);
}

.call-to-action h3 {
    margin-bottom: 1rem;
    color: white;
}

.call-to-action p {
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.85);
}

/*---------------------------------------
    14. DARK MODE TOGGLE
----------------------------------------*/
.theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    min-height: 2.75rem;
    padding: 0.55rem 0.95rem;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background-color: var(--surface-color);
    color: var(--text-color);
    cursor: pointer;
    font: inherit;
    font-weight: 500;
    letter-spacing: 0.01em;
    box-shadow: 0 1px 2px var(--shadow-color);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.theme-toggle:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px var(--shadow-color);
}

.theme-toggle:active {
    transform: translateY(0);
}

.dark-mode .theme-toggle {
    background-color: var(--surface-color);
    border-color: var(--border-color);
    color: var(--theme-toggle-text-color);
}

.theme-toggle__icon {
    font-size: 1rem;
    line-height: 1;
}

.theme-toggle__label {
    font-size: 0.92rem;
}

/*---------------------------------------
    15. EQUIPMENT IMAGE BACKGROUNDS
----------------------------------------*/
.dark-mode .equipment-item img {
    background: linear-gradient(145deg, var(--surface-alt-color), var(--dark-color));
}

.form-success,
.form-error {
    border: 1px solid transparent;
    box-shadow: 0 10px 24px var(--shadow-color);
}

.form-success {
    background-color: #dcfce7 !important;
    color: #14532d !important;
    border-color: #86efac;
}

.form-error {
    background-color: #fee2e2 !important;
    color: #7f1d1d !important;
    border-color: #fca5a5;
}

.dark-mode .form-success {
    background-color: rgba(34, 197, 94, 0.14) !important;
    color: #bbf7d0 !important;
    border-color: rgba(34, 197, 94, 0.35);
}

.dark-mode .form-error {
    background-color: rgba(239, 68, 68, 0.14) !important;
    color: #fecaca !important;
    border-color: rgba(239, 68, 68, 0.35);
}

/*---------------------------------------
    16. SCROLL ANIMATIONS
----------------------------------------*/
.animate-on-scroll {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .animate-on-scroll {
        opacity: 1;
        transform: none;
        transition: none;
    }
}