/* ============================================================
   dronereparatie.nu — Main Stylesheet
   Theme: Clean Light / Sky White
   ============================================================ */

/* --- CSS Variables --- */
:root {
    /* Backgrounds */
    --bg: #ffffff;
    --surface: #f8fafc;
    --surface-2: #f1f5f9;
    --surface-3: #e8f4fd;

    /* Borders */
    --border: #e2e8f0;
    --border-light: #cbd5e1;

    /* Brand */
    --primary: #0ea5e9;
    --primary-light: #38bdf8;
    --primary-dark: #0284c7;
    --primary-glow: rgba(14, 165, 233, 0.15);

    --accent: #f97316;
    --accent-dark: #ea6c0a;
    --accent-glow: rgba(249, 115, 22, 0.2);

    /* Typography */
    --text: #475569;
    --text-light: #94a3b8;
    --heading: #0f172a;
    --heading-2: #1e293b;
    --white: #ffffff;

    /* Component backgrounds */
    --topbar-bg: #0284c7;
    --header-bg: rgba(255, 255, 255, 0.97);
    --card-bg: #ffffff;
    --cta-bg: #0284c7;

    /* Shadows (lighter for white backgrounds) */
    --shadow-sm: 0 1px 4px rgba(15, 23, 42, 0.06), 0 2px 8px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08), 0 1px 4px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 8px 32px rgba(15, 23, 42, 0.12), 0 2px 8px rgba(15, 23, 42, 0.06);
    --shadow-glow: 0 0 20px rgba(14, 165, 233, 0.18);

    /* Shape */
    --radius: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Motion */
    --transition: 0.2s ease;
    --transition-slow: 0.35s ease;

    /* Layout */
    --max-w: 1200px;
    --max-w-narrow: 780px;

    /* Dimensions */
    --topbar-h: 44px;
    --header-h: 70px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', 'Inter', sans-serif;
    color: var(--heading);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.625rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.125rem, 2vw, 1.375rem); }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

a {
    color: var(--primary-dark);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover { color: var(--primary); }

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

ul, ol { list-style: none; }

address { font-style: normal; }

fieldset { border: none; }
legend { width: 100%; }

/* --- Layout Utilities --- */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container--narrow {
    max-width: var(--max-w-narrow);
}

.section {
    padding: 5rem 0;
    background: var(--bg);
}

.section--alt {
    background: var(--surface);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3.5rem;
}

.section-header--left {
    text-align: left;
    max-width: 100%;
    margin-bottom: 2.5rem;
}

.section-label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--primary-dark);
    margin-bottom: 0.625rem;
}

.section-title {
    color: var(--heading);
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text);
    font-size: 1.0625rem;
    line-height: 1.75;
}

.section-cta {
    text-align: center;
    margin-top: 3rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.625rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.9375rem;
    font-family: 'Inter', sans-serif;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    line-height: 1.4;
}

.btn-lg {
    padding: 0.9375rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-accent {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}
.btn-accent:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    color: var(--primary-dark);
    border-color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

/* White outline — used on colored/dark backgrounds (hero, blue CTA) */
.btn-outline-white {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.6);
}
.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--white);
    color: var(--white);
}

/* --- Top Bar --- */
.topbar {
    background: var(--topbar-bg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    height: var(--topbar-h);
    display: flex;
    align-items: center;
    position: relative;
    z-index: 200;
}

.topbar-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.topbar-contact {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.topbar-contact a {
    color: rgba(255, 255, 255, 0.88);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    text-decoration: none;
    transition: color var(--transition);
}
.topbar-contact a:hover {
    color: var(--white);
}

.topbar-cta {
    background: var(--white);
    color: var(--primary-dark) !important;
    font-size: 0.8125rem;
    font-weight: 700;
    padding: 0.375rem 1rem;
    border-radius: 6px;
    text-decoration: none;
    transition: all var(--transition);
    white-space: nowrap;
}
.topbar-cta:hover {
    background: var(--surface-3);
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
}

/* --- Header / Sticky Nav --- */
.header {
    position: sticky;
    top: 0;
    z-index: 150;
    background: var(--header-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    height: var(--header-h);
    display: flex;
    align-items: center;
    transition: box-shadow var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    border-bottom-color: var(--border-light);
}

.header-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-icon {
    flex-shrink: 0;
}

.logo-text {
    font-family: 'Poppins', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--heading);
    letter-spacing: -0.03em;
    line-height: 1;
}

.logo-dot {
    color: var(--primary);
}

/* Nav */
.nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
}

.nav-link {
    display: block;
    padding: 0.5rem 0.875rem;
    color: var(--heading-2);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius);
    transition: color var(--transition), background var(--transition);
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-dark);
    background: var(--surface-3);
}

.nav-link--cta {
    background: var(--accent) !important;
    color: var(--white) !important;
    margin-left: 0.5rem;
    padding: 0.5rem 1.25rem;
}

.nav-link--cta:hover {
    background: var(--accent-dark) !important;
    color: var(--white) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--accent-glow);
}

/* Hamburger */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius);
    transition: background var(--transition);
}
.menu-toggle:hover {
    background: var(--surface-2);
}
.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--heading);
    border-radius: 2px;
    transition: all var(--transition);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* --- Hero --- */
/* Hero always sits on top of the dji.jpg image with a dark overlay,
   so hero text colours stay white regardless of site theme. */
.hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    text-align: center;
}

.hero--large {
    min-height: 85vh;
}

.hero--small {
    min-height: 320px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(
        135deg,
        rgba(2, 32, 71, 0.88) 0%,
        rgba(2, 132, 199, 0.45) 55%,
        rgba(14, 165, 233, 0.15) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 860px;
    padding: 3rem 1.5rem;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #7dd3fc;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.3125rem 0.875rem;
    border-radius: 100px;
    margin-bottom: 1.25rem;
}

.hero-title {
    color: var(--white);
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.25rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- USP Bar --- */
.usp-bar {
    background: linear-gradient(135deg, #0369a1 0%, #0ea5e9 100%);
    padding: 2.25rem 0;
    box-shadow: 0 6px 24px rgba(3, 105, 161, 0.22);
}

.usp-grid {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.usp-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.usp-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: rgba(255, 255, 255, 0.18);
    border: 1.5px solid rgba(255, 255, 255, 0.35);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    backdrop-filter: blur(4px);
}

.usp-text {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.usp-text strong {
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.3;
    text-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.usp-text span {
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.8125rem;
}

/* --- Intro Grid (Homepage) --- */
.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.intro-content p {
    color: var(--text);
    margin-bottom: 1.125rem;
}

.intro-content .section-title {
    margin-bottom: 1.25rem;
}

.check-list {
    margin: 1.5rem 0 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    color: var(--heading-2);
    font-size: 0.9375rem;
}

/* Process sidebar */
.intro-process {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.process-title {
    font-size: 1.125rem;
    color: var(--heading);
    margin-bottom: 1.5rem;
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.process-step {
    display: flex;
    gap: 1rem;
    padding-bottom: 1.5rem;
    position: relative;
}

.process-step:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 32px;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.step-number {
    width: 30px;
    height: 30px;
    min-width: 30px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8125rem;
    font-weight: 700;
    z-index: 1;
    flex-shrink: 0;
}

.step-content strong {
    display: block;
    color: var(--heading);
    font-size: 0.9375rem;
    margin-bottom: 0.25rem;
}

.step-content p {
    color: var(--text);
    font-size: 0.875rem;
    margin: 0;
    line-height: 1.6;
}

/* --- Services Grid --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.service-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md), var(--shadow-glow);
    transform: translateY(-3px);
}

.service-icon {
    width: 52px;
    height: 52px;
    background: rgba(14, 165, 233, 0.08);
    border: 1px solid rgba(14, 165, 233, 0.16);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    margin-bottom: 1.25rem;
}

.service-card h3 {
    font-size: 1.0625rem;
    margin-bottom: 0.625rem;
    color: var(--heading);
}

.service-card p {
    color: var(--text);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.7;
}

/* --- Drone Grid --- */
.drone-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 1.25rem;
}

.drone-grid--small {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

.drone-card {
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    cursor: pointer;
}

.drone-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md), var(--shadow-glow);
    transform: translateY(-4px);
}

.drone-card-icon {
    width: 44px;
    height: 44px;
    background: rgba(14, 165, 233, 0.07);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.drone-card-image {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-bottom: 1rem;
    background: #f8fafc;
}

.drone-card h3 {
    font-size: 1rem;
    color: var(--heading);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.drone-card p {
    color: var(--text);
    font-size: 0.875rem;
    flex: 1;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.card-link {
    color: var(--primary-dark);
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    transition: gap var(--transition), color var(--transition);
    margin-top: auto;
}

.drone-card:hover .card-link {
    gap: 0.625rem;
    color: var(--primary);
}

/* --- Repair Features --- */
.repair-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.repair-feature {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.repair-feature svg {
    flex-shrink: 0;
    margin-top: 4px;
}

.repair-feature strong {
    display: block;
    color: var(--heading);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.repair-feature p {
    color: var(--text);
    font-size: 0.9rem;
    margin: 0;
}

/* --- Repair Types Grid --- */
.repair-types-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

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

.repair-type {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.repair-type:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.repair-type-icon {
    width: 56px;
    height: 56px;
    background: rgba(14, 165, 233, 0.07);
    border: 1px solid rgba(14, 165, 233, 0.14);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    margin-bottom: 1.25rem;
}

.repair-type h3 {
    font-size: 1.0625rem;
    margin-bottom: 0.625rem;
    color: var(--heading);
}

.repair-type p {
    color: var(--text);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.7;
}

/* --- Timeline (Process) --- */
.timeline {
    max-width: 720px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 1.5rem;
    padding-bottom: 2.5rem;
    position: relative;
}

.timeline-item:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 18px;
    top: 40px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--border));
}

.timeline-number {
    width: 38px;
    height: 38px;
    min-width: 38px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9375rem;
    z-index: 1;
    box-shadow: 0 0 0 4px var(--bg);
    flex-shrink: 0;
}

.section--alt .timeline-number {
    box-shadow: 0 0 0 4px var(--surface);
}

.timeline-content {
    padding-top: 0.375rem;
}

.timeline-content h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--heading);
}

.timeline-content p {
    color: var(--text);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin: 0;
}

/* --- CTA Section (blue banner) --- */
.cta-section {
    background: linear-gradient(135deg, #022d62 0%, var(--primary-dark) 45%, var(--primary) 100%);
    border-top: none;
    border-bottom: none;
    padding: 5rem 0;
}

.cta-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-xl);
    padding: 3rem 3.5rem;
    backdrop-filter: blur(8px);
}

.cta-content h2 {
    color: var(--white);
    font-size: clamp(1.375rem, 2.5vw, 1.875rem);
    margin-bottom: 0.75rem;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.8);
    max-width: 520px;
    margin: 0;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
    flex-wrap: wrap;
}

/* --- FAQ --- */
.faq-list {
    margin-top: 2rem;
}

.faq-category {
    margin-bottom: 2.5rem;
}

.faq-category-title {
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--primary-dark);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border);
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 0.625rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item:has(.faq-question.active) {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm), 0 0 0 1px rgba(14, 165, 233, 0.12);
}

.faq-question {
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    color: var(--heading-2);
    font-weight: 500;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: color var(--transition), background var(--transition);
}

.faq-question:hover {
    background: var(--surface);
    color: var(--heading);
}

.faq-question.active {
    color: var(--primary-dark);
    background: var(--surface-3);
}

.faq-icon {
    flex-shrink: 0;
    transition: transform var(--transition);
    color: var(--text-light);
}

.faq-question.active .faq-icon {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.2s ease;
    color: var(--text);
    line-height: 1.75;
    background: var(--surface);
    border-top: 0px solid transparent;
}

.faq-answer.open {
    max-height: 800px;
    padding: 0.25rem 1.5rem 1.5rem;
    border-top: 1px solid var(--border);
}

.faq-answer p { margin-bottom: 0.875rem; }
.faq-answer p:last-child { margin-bottom: 0; }

.faq-answer ul, .faq-answer ol {
    margin: 0.75rem 0 0.875rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    color: var(--text);
    font-size: 0.9375rem;
}

.faq-answer ul { list-style: disc; }
.faq-answer ol { list-style: decimal; }

.faq-answer a {
    color: var(--primary-dark);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.faq-contact {
    margin-top: 3rem;
    text-align: center;
    padding: 2.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.faq-contact p {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--heading-2);
    margin-bottom: 1.25rem;
}

.faq-contact-actions {
    display: flex;
    gap: 0.875rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Form (Aanmelden) --- */
.form-usps {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
    padding: 1.125rem 1.5rem;
    background: var(--surface-3);
    border: 1px solid rgba(14, 165, 233, 0.2);
    border-radius: var(--radius-md);
}

.form-usp {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--heading-2);
    font-size: 0.9rem;
    font-weight: 500;
}

.repair-form fieldset {
    margin-bottom: 2rem;
}

.form-section-title {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--heading);
    margin-bottom: 1.25rem;
    padding-bottom: 0.625rem;
    border-bottom: 2px solid var(--border);
    width: 100%;
    font-family: 'Poppins', sans-serif;
}

.form-row {
    margin-bottom: 1.25rem;
}

.form-row--2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 0;
}

.form-row--3 {
    display: grid;
    grid-template-columns: 1fr 1.5fr 1fr;
    gap: 1.25rem;
    margin-bottom: 0;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    display: block;
    margin-bottom: 0.4375rem;
    color: var(--heading-2);
    font-weight: 500;
    font-size: 0.9375rem;
}

.required {
    color: var(--accent-dark);
}

.form-control {
    width: 100%;
    padding: 0.8125rem 1rem;
    background: var(--white);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    color: var(--heading);
    font-size: 0.9375rem;
    font-family: 'Inter', sans-serif;
    transition: border-color var(--transition), box-shadow var(--transition);
    -webkit-appearance: none;
    appearance: none;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.12);
}

.form-control::placeholder {
    color: var(--text-light);
}

.form-control.input-validation-error {
    border-color: #ef4444;
    background: #fff8f8;
}

select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5' stroke-linecap='round'%3E%3Cpolyline points='6,9 12,15 18,9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.875rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

select.form-control option {
    background: var(--white);
    color: var(--heading);
}

.form-textarea {
    resize: vertical;
    min-height: 130px;
}

.invalid-feedback {
    display: none;
    color: #dc2626;
    font-size: 0.8125rem;
    margin-top: 0.3125rem;
}

.form-control.input-validation-error + .invalid-feedback,
.field-validation-error {
    display: block;
    color: #dc2626;
    font-size: 0.8125rem;
    margin-top: 0.3125rem;
}

.field-validation-valid { display: none; }

.form-hint {
    color: var(--text-light);
    font-size: 0.8125rem;
    margin-top: 0.4375rem;
    display: block;
    line-height: 1.5;
}

.form-submit {
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.btn-submit {
    margin-bottom: 1rem;
}

.form-disclaimer {
    color: var(--text-light);
    font-size: 0.8125rem;
    line-height: 1.6;
}

/* --- Alert --- */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid;
}

.alert--error {
    background: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.3);
}

.alert--error svg {
    flex-shrink: 0;
    color: #f87171;
    margin-top: 2px;
}

.alert--error strong {
    display: block;
    margin-bottom: 0.25rem;
    color: #fca5a5;
}

.alert--error p {
    margin: 0;
    font-size: 0.9375rem;
    color: #fca5a5;
}

.alert--error a {
    color: #f87171;
}

/* --- Success Box --- */
.success-box {
    background: var(--white);
    border: 1px solid rgba(14, 165, 233, 0.25);
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.success-icon {
    margin: 0 auto 1.5rem;
    width: 80px;
    height: 80px;
    background: rgba(14, 165, 233, 0.08);
    border: 2px solid rgba(14, 165, 233, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.success-box h2 {
    font-size: 1.875rem;
    margin-bottom: 1rem;
    color: var(--heading);
}

.success-box p {
    color: var(--text);
    max-width: 520px;
    margin: 0 auto 1rem;
    font-size: 1rem;
}

.success-steps {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 2rem 0;
    padding: 1.75rem;
    background: var(--surface-3);
    border-radius: var(--radius-md);
}

.success-step {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    color: var(--heading-2);
    font-size: 0.9rem;
    font-weight: 500;
}

.success-step-num {
    width: 24px;
    height: 24px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.success-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

/* --- Not Found Box --- */
.not-found-box {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 4rem 3rem;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.not-found-icon {
    margin: 0 auto 1.5rem;
}

.not-found-box h2 {
    margin-bottom: 1rem;
    color: var(--heading-2);
}

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

.not-found-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Drone Detail (DroneModel page) --- */
.drone-detail-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 3rem;
    align-items: start;
}

.drone-description {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--text);
    margin-bottom: 2rem;
}

.drone-usps {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-top: 1.75rem;
}

.drone-usp {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    color: var(--heading-2);
    font-size: 0.9375rem;
    font-weight: 500;
}

/* CTA Card (sticky sidebar) */
.cta-card {
    background: var(--white);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
}

.cta-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.875rem;
    color: var(--heading);
}

.cta-card p {
    color: var(--text);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.65;
}

.cta-card-contact {
    margin-top: 1.25rem;
    text-align: center;
}

.cta-card-contact p {
    color: var(--text-light);
    font-size: 0.8125rem;
    margin-bottom: 0.5rem;
}

.cta-card-phone {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 1.125rem;
    text-decoration: none;
    transition: color var(--transition);
}

.cta-card-phone:hover {
    color: var(--primary);
}

.cta-card-guarantees {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
    font-size: 0.8125rem;
    color: var(--text-light);
}

/* --- Footer (kept dark for contrast) --- */
.footer {
    background: #0f172a;
    border-top: 1px solid #1e293b;
    padding-top: 4rem;
}

.footer-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 1.5rem 3rem;
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.25fr;
    gap: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    text-decoration: none;
    margin-bottom: 1rem;
    font-family: 'Poppins', sans-serif;
    font-size: 1.125rem;
    font-weight: 700;
    color: #f1f5f9;
}

.footer-tagline {
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.65;
    margin-bottom: 1.25rem;
}

.footer-address {
    color: #64748b;
    font-size: 0.875rem;
    line-height: 1.85;
}

.footer-address a {
    color: #64748b;
    text-decoration: none;
    transition: color var(--transition);
}

.footer-address a:hover {
    color: var(--primary-light);
}

.footer-heading {
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #94a3b8;
    margin-bottom: 1.25rem;
}

.footer-nav ul,
.footer-models ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-nav a,
.footer-models a {
    color: #64748b;
    font-size: 0.9rem;
    text-decoration: none;
    transition: color var(--transition);
    line-height: 1.5;
}

.footer-nav a:hover,
.footer-models a:hover {
    color: var(--primary-light);
}

.footer-more {
    color: var(--primary-light) !important;
    font-weight: 500;
    margin-top: 0.25rem;
}

.footer-usp-list {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-usp-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #64748b;
    font-size: 0.875rem;
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding: 1.25rem 0;
}

.footer-bottom-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-bottom p {
    color: #cbd5e1;
    font-size: 0.8125rem;
    margin: 0;
}

.footer-kvk {
    opacity: 1;
}

.footer-bottom a {
    color: #e2e8f0;
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */

@media (max-width: 1100px) {
    .footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }

    .intro-grid {
        gap: 2.5rem;
    }
}

@media (max-width: 900px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .usp-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }

    .intro-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .drone-detail-grid {
        grid-template-columns: 1fr;
    }

    .cta-card {
        position: static;
    }

    .drone-usps {
        grid-template-columns: 1fr;
    }

    .cta-box {
        flex-direction: column;
        align-items: flex-start;
        padding: 2.5rem;
        gap: 1.75rem;
    }

    .repair-features {
        grid-template-columns: 1fr;
    }

    .form-row--3 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --header-h: 64px;
    }

    .section {
        padding: 3.5rem 0;
    }

    /* Topbar */
    .topbar {
        height: auto;
        min-height: var(--topbar-h);
        padding: 0.35rem 0;
    }

    .topbar-contact {
        gap: 0.75rem;
        flex-wrap: wrap;
    }

    .topbar-contact a {
        font-size: 0.8rem;
    }

    /* Header — mobile menu */
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: calc(100% + 1px);
        left: 0;
        right: 0;
        background: var(--white);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        padding: 1rem 1.5rem 1.5rem;
        flex-direction: column;
        gap: 0.25rem;
        align-items: stretch;
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-link {
        padding: 0.75rem 1rem;
        border-radius: var(--radius);
    }

    .nav-link--cta {
        text-align: center;
        margin-left: 0;
        margin-top: 0.5rem;
    }

    .header {
        position: sticky;
        overflow: visible;
    }

    /* Hero */
    .hero--large {
        min-height: 70vh;
    }

    .hero--small {
        min-height: 240px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    /* USP */
    .usp-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
    }

    /* Repair types */
    .repair-types-grid,
    .repair-types-grid--small {
        grid-template-columns: 1fr;
    }

    /* CTA */
    .cta-box {
        padding: 2rem 1.5rem;
    }

    .cta-actions {
        width: 100%;
    }

    .cta-actions .btn {
        flex: 1;
        justify-content: center;
    }

    /* FAQ */
    .faq-contact-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .faq-contact-actions .btn {
        text-align: center;
        justify-content: center;
    }

    /* Form */
    .form-row--2 {
        grid-template-columns: 1fr;
    }

    .form-row--3 {
        grid-template-columns: 1fr;
    }

    /* Success */
    .success-steps {
        flex-direction: column;
        align-items: center;
    }

    /* Footer */
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

@media (max-width: 480px) {
    .topbar-contact {
        gap: 0.875rem;
    }

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

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

    .form-usps {
        flex-direction: column;
    }

    .success-box {
        padding: 2rem 1.25rem;
    }

    .cta-box {
        padding: 1.5rem 1.25rem;
    }

    .cta-actions {
        flex-direction: column;
    }
}

/* --- Print --- */
@media print {
    .topbar, .header, .hero, .footer, .cta-section { display: none; }
    .section { padding: 1rem 0; }
    body { background: white; color: #0f172a; }
    .card-bg { border: 1px solid #e2e8f0; }
}