/* ========================================
   Trade Chemicals Europe BV - Landing Page
   gbl-europe.nl
   ======================================== */

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

:root {
    --primary: #0d5c63;
    --primary-dark: #094249;
    --primary-light: #e8f4f5;
    --accent: #1a8a93;
    --accent-hover: #15747c;
    --gold: #c8a951;
    --text: #2c3e50;
    --text-light: #5a6c7d;
    --white: #ffffff;
    --bg-light: #f7f9fb;
    --bg-alt: #eef3f7;
    --border: #dce3ea;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: 0.3s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text);
    line-height: 1.7;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
ul { list-style: none; }

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    line-height: 1.4;
}
.btn-primary {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}
.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}
.btn-secondary:hover {
    background: var(--white);
    color: var(--primary);
}
.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}
.btn-outline:hover {
    background: var(--white);
    color: var(--primary);
}
.btn-large { padding: 18px 40px; font-size: 1.1rem; }
.btn-nav {
    background: var(--accent);
    color: var(--white) !important;
    padding: 10px 24px;
    border-radius: var(--radius);
    font-size: 0.95rem;
}
.btn-nav:hover {
    background: var(--accent-hover);
    color: var(--white) !important;
}

/* --- Header --- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: 0 1px 6px rgba(0,0,0,0.06);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    padding-bottom: 12px;
}
.logo-link { display: flex; align-items: center; }
.logo { height: 52px; width: auto; }
.header-nav ul {
    display: flex;
    align-items: center;
    gap: 28px;
}
.header-nav a {
    color: var(--text);
    font-weight: 500;
    font-size: 0.95rem;
}
.header-nav a:hover { color: var(--accent); }
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 32px;
    height: 24px;
    position: relative;
    z-index: 1001;
}
.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--text);
    border-radius: 2px;
    position: absolute;
    left: 0;
    transition: all var(--transition);
}
.mobile-menu-toggle span:nth-child(1) { top: 0; }
.mobile-menu-toggle span:nth-child(2) { top: 10px; }
.mobile-menu-toggle span:nth-child(3) { top: 20px; }
.mobile-menu-toggle.active span:nth-child(1) { top: 10px; transform: rotate(45deg); }
.mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-menu-toggle.active span:nth-child(3) { top: 10px; transform: rotate(-45deg); }

/* --- Hero --- */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
    padding: 80px 0 90px;
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: rgba(255,255,255,0.04);
    border-radius: 50%;
}
.hero-inner {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 1;
}
.hero-text { flex: 1; }
.hero-text h1 {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}
.highlight { color: var(--gold); }
.hero-subtitle {
    font-size: 1.15rem;
    line-height: 1.7;
    margin-bottom: 30px;
    opacity: 0.92;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-badges { display: flex; gap: 16px; flex-wrap: wrap; }
.badge {
    background: rgba(255,255,255,0.15);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 500;
    backdrop-filter: blur(4px);
}
.hero-image {
    flex: 0 0 280px;
    text-align: center;
}
.hero-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    background: var(--white);
    padding: 16px;
    max-height: 360px;
    width: auto;
    margin: 0 auto;
}

/* --- Trust Bar --- */
.trust-bar {
    background: var(--primary-dark);
    color: var(--white);
    padding: 36px 0;
}
.trust-inner {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}
.trust-item { text-align: center; }
.trust-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--gold);
}
.trust-label {
    font-size: 0.9rem;
    opacity: 0.85;
    margin-top: 4px;
    display: block;
}

/* --- Sections --- */
.section { padding: 80px 0; }
.section:nth-child(even) { background: var(--bg-light); }
.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    color: var(--primary);
}
.section-intro {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 48px;
    color: var(--text-light);
    font-size: 1.05rem;
}

/* --- Product Card --- */
.product-card {
    display: flex;
    gap: 48px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 40px;
    align-items: center;
}
.product-image-wrap {
    flex: 0 0 220px;
    text-align: center;
}
.product-image-wrap img {
    border-radius: var(--radius);
    max-height: 300px;
    width: auto;
    margin: 0 auto;
}
.product-info { flex: 1; }
.product-info h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 16px;
}
.product-specs {
    margin-bottom: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.product-specs li {
    font-size: 0.95rem;
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
}
.product-info p {
    margin-bottom: 24px;
    color: var(--text-light);
}

/* --- Features Grid --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.feature-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.feature-icon { font-size: 2.4rem; margin-bottom: 16px; }
.feature-card h3 {
    font-size: 1.15rem;
    color: var(--primary);
    margin-bottom: 12px;
}
.feature-card p { font-size: 0.93rem; color: var(--text-light); }

/* --- Applications --- */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.app-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--accent);
    transition: transform var(--transition);
}
.app-card:hover { transform: translateY(-2px); }
.app-card h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 10px;
}
.app-card p { color: var(--text-light); font-size: 0.95rem; }

/* --- CTA Section --- */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%) !important;
    color: var(--white);
    text-align: center;
}
.cta-inner h2 {
    font-size: 2rem;
    margin-bottom: 16px;
    color: var(--white);
}
.cta-inner p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 32px;
    opacity: 0.92;
}
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* --- Contact --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}
.contact-info h3 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 12px;
}
.contact-info > p { color: var(--text-light); margin-bottom: 24px; }
.contact-list li {
    padding: 8px 0;
    font-size: 0.95rem;
}
.contact-list a { color: var(--accent); }
.contact-languages {
    margin-top: 20px;
    padding: 12px 16px;
    background: var(--primary-light);
    border-radius: var(--radius);
    font-size: 0.93rem;
}
.contact-cta-card {
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    padding: 36px;
    text-align: center;
}
.contact-cta-card h3 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 12px;
}
.contact-cta-card p { color: var(--text-light); margin-bottom: 24px; }

/* --- Footer --- */
.site-footer {
    background: var(--primary-dark);
    color: var(--white);
    padding-top: 48px;
}
.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 36px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-logo { height: 40px; width: auto; margin-bottom: 8px; filter: brightness(1.5); }
.footer-brand p { opacity: 0.7; font-size: 0.9rem; }
.site-footer h4 {
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--gold);
}
.footer-links li, .footer-social li { margin-bottom: 8px; }
.footer-links a, .footer-social a { color: rgba(255,255,255,0.75); font-size: 0.93rem; }
.footer-links a:hover, .footer-social a:hover { color: var(--white); }
.footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.6;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 992px) {
    .hero-text h1 { font-size: 2.2rem; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .mobile-menu-toggle { display: block; }
    .header-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: var(--shadow-lg);
        padding: 24px;
    }
    .header-nav.open { display: block; }
    .header-nav ul {
        flex-direction: column;
        gap: 16px;
        align-items: stretch;
        text-align: center;
    }
    .hero { padding: 50px 0 60px; }
    .hero-inner { flex-direction: column; gap: 40px; text-align: center; }
    .hero-text h1 { font-size: 2rem; }
    .hero-cta { justify-content: center; }
    .hero-badges { justify-content: center; }
    .hero-image { flex: 0 0 auto; }
    .product-card { flex-direction: column; padding: 28px; gap: 28px; }
    .product-specs { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .applications-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .section { padding: 56px 0; }
    .section-title { font-size: 1.6rem; }
    .footer-inner { grid-template-columns: 1fr; text-align: center; }
    .trust-inner { gap: 16px; }
    .trust-number { font-size: 1.4rem; }
}

@media (max-width: 480px) {
    .hero-text h1 { font-size: 1.65rem; }
    .btn { padding: 12px 24px; font-size: 0.93rem; }
    .btn-large { padding: 14px 28px; font-size: 1rem; }
    .container { padding: 0 16px; }
}