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

/* ===== FONTS ===== */
@font-face {
    font-family: "Poppins";
    src: url(./Font/Poppins-Regular.ttf) format("truetype");
    font-weight: 400;
    font-display: swap;
}

/* ===== CUSTOM PROPERTIES ===== */
:root {
    --color-primary: #1A3B51;
    --color-primary-light: #24506e;
    --color-accent: #2d9cdb;
    --color-bg: #f5f7fa;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-light: #6b7280;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.10);
    --transition: 0.3s ease;
    --max-width: 1200px;
}

/* ===== BASE ===== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: "Poppins", system-ui, -apple-system, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    color: var(--color-primary);
    line-height: 1.3;
}

a {
    color: inherit;
    text-decoration: none;
    transition: opacity var(--transition);
}

a:hover {
    opacity: 0.8;
}

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

/* ===== HEADER ===== */
.header {
    background: var(--color-white);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
}

.header-logo {
    height: 64px;
    width: auto;
}

/* ===== HERO ===== */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    padding: 64px 24px;
    text-align: center;
}

.hero-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.hero h1 {
    color: var(--color-white);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    margin-bottom: 12px;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    opacity: 0.9;
    max-width: 640px;
    margin: 0 auto 28px;
}

.hero-cta {
    display: inline-block;
    background: var(--color-white);
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1rem;
    padding: 14px 36px;
    border-radius: 50px;
    text-decoration: none;
    transition: transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
    opacity: 1;
}

/* ===== INTRO SECTION ===== */
.intro-section {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 40px;
    align-items: start;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow);
}

.intro-text h2 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.intro-text p {
    color: var(--color-text-light);
    margin-bottom: 12px;
    line-height: 1.7;
}

.intro-text p:last-child {
    margin-bottom: 0;
}

.intro-highlights {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.highlight {
    text-align: center;
    background: var(--color-bg);
    border-radius: var(--radius);
    padding: 20px 28px;
    min-width: 140px;
}

.highlight-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1.2;
}

.highlight-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 4px;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 48px 24px 160px;
    display: flex;
    flex-direction: column;
    gap: 48px;
}

/* ===== GALLERY ===== */
.gallery-section {
    width: 100%;
}

.gallery {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--color-white);
    box-shadow: var(--shadow);
}

.gallery-track {
    display: flex;
    gap: 12px;
    padding: 12px;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.gallery-track img {
    width: 380px;
    height: 380px;
    object-fit: cover;
    flex-shrink: 0;
    border-radius: var(--radius);
}

.gallery-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    color: var(--color-primary);
    border: none;
    border-radius: 50%;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    font-size: 1.25rem;
    z-index: 10;
    transition: transform var(--transition), box-shadow var(--transition);
}

.gallery-btn:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.gallery-btn.prev { left: 16px; }
.gallery-btn.next { right: 16px; }

/* ===== INFO CARDS ===== */
.info-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.info-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.info-card h2 {
    font-size: 1.25rem;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-accent);
}

.info-card p {
    margin-bottom: 12px;
    color: var(--color-text-light);
}

.info-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.info-card ul li {
    position: relative;
    padding-left: 24px;
    color: var(--color-text-light);
}

.info-card ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
}

.cert-badge {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid #e5e7eb;
}

.cert-badge img {
    max-width: 160px;
    max-height: 240px;
    object-fit: contain;
}

/* ===== FOOTER ===== */
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--color-primary);
    color: var(--color-white);
    z-index: 100;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 20px 24px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 32px;
}

.footer-col p {
    font-size: 0.85rem;
    margin-bottom: 2px;
    opacity: 0.9;
}

.footer-col a {
    color: var(--color-white);
    text-decoration: none;
    transition: opacity var(--transition);
}

.footer-col a:hover {
    opacity: 0.7;
}

.footer-brand {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 4px;
}

.footer-col-center {
    text-align: center;
}

.footer-col-end {
    text-align: right;
}

.footer-social {
    margin-top: 6px;
    display: inline-flex;
    gap: 8px;
}

.footer-social img {
    height: 24px;
    width: auto;
    display: inline-block;
    opacity: 0.9;
    transition: opacity var(--transition);
}

.footer-social a:hover img {
    opacity: 1;
}

.footer-merken-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.6;
    margin-bottom: 8px;
}

.footer-merken {
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: flex-end;
}

.footer-merken img {
    height: 24px;
    width: auto;
    object-fit: contain;
    opacity: 0.75;
    transition: opacity var(--transition);
}

.footer-merken img:hover {
    opacity: 1;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero {
        padding: 40px 20px;
    }

    .main-content {
        padding: 32px 16px 200px;
        gap: 32px;
    }

    .intro-section {
        grid-template-columns: 1fr;
        padding: 28px 20px;
    }

    .intro-highlights {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
    }

    .highlight {
        min-width: 100px;
        padding: 16px 20px;
    }

    .info-section {
        grid-template-columns: 1fr;
    }

    .gallery-track img {
        width: 300px;
        height: 300px;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 16px;
    }

    .footer-col-end {
        text-align: center;
    }

    .footer-merken {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .gallery-track img {
        width: 260px;
        height: 260px;
    }

    .info-card {
        padding: 24px 20px;
    }
}