/* =============================================
   Belgium Signature Homes — Clean Static Site
   ============================================= */

:root {
    --navy: #0c1829;
    --navy-light: #162440;
    --gold: #c8a45e;
    --gold-light: #dfc088;
    --cream: #f8f6f1;
    --white: #ffffff;
    --gray-100: #f5f5f5;
    --gray-200: #e8e8e8;
    --gray-400: #999;
    --gray-600: #666;
    --gray-800: #333;
    --text: #2c2c2c;
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --container: 1200px;
    --radius: 8px;
    --shadow: 0 4px 30px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- Typography ---- */
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 600; line-height: 1.2; }
h1 { font-size: clamp(2.5rem, 5vw, 4rem); color: var(--white); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); color: var(--navy); }
h3 { font-size: 1.25rem; color: var(--navy); }
h4 { font-size: 1rem; font-family: var(--font-body); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--gray-600); }

.section-label {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gold);
    margin-bottom: 12px;
}

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 60px;
}

.section-desc {
    margin-top: 16px;
    color: var(--gray-600);
    font-size: 1.05rem;
}

.section {
    padding: 100px 0;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    border-radius: var(--radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-primary {
    background: var(--gold);
    color: var(--navy);
    border-color: var(--gold);
}
.btn-primary:hover {
    background: var(--gold-light);
    border-color: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(200,164,94,0.35);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.4);
}
.btn-outline:hover {
    border-color: var(--white);
    background: rgba(255,255,255,0.1);
}

.btn-lg { padding: 18px 42px; font-size: 1rem; }
.btn-full { width: 100%; }

/* ---- Navbar ---- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition);
}

.navbar.scrolled {
    background: rgba(12, 24, 41, 0.95);
    backdrop-filter: blur(12px);
    padding: 12px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
    transition: height var(--transition);
}

.navbar.scrolled .logo img { height: 32px; }

.nav-links {
    display: flex;
    gap: 36px;
}

.nav-links a {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    transition: color var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width var(--transition);
}

.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all var(--transition);
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Language Switch */
.lang-switch {
    background: none;
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 20px;
    padding: 5px 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: border-color var(--transition);
}

.lang-switch:hover { border-color: rgba(255,255,255,0.5); }

.lang-option {
    color: rgba(255,255,255,0.45);
    cursor: pointer;
    transition: color var(--transition);
}

.lang-option.active { color: var(--gold); }
.lang-option:hover { color: var(--white); }

.lang-sep {
    color: rgba(255,255,255,0.2);
    font-size: 0.7rem;
    user-select: none;
}

.nav-right-mobile {
    display: none;
    align-items: center;
    gap: 12px;
}

.lang-switch-mobile { display: none; }

/* ---- Hero ---- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(12, 24, 41, 0.85) 0%,
        rgba(12, 24, 41, 0.5) 50%,
        rgba(12, 24, 41, 0.3) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 680px;
    padding-top: 120px;
    padding-bottom: 80px;
}

.hero-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--gold);
    margin-bottom: 20px;
}

h1 em {
    font-style: italic;
    color: var(--gold);
}

.hero-sub {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.75);
    margin-top: 20px;
    max-width: 520px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-top: 36px;
    flex-wrap: wrap;
}

/* ---- About ---- */
.about {
    background: var(--cream);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.about-image-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--navy);
    color: var(--white);
    padding: 24px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
}

.badge-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
}

.badge-text {
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.3;
    opacity: 0.8;
}

.about-text h2 {
    margin-bottom: 24px;
}

.about-text p {
    color: var(--gray-600);
    margin-bottom: 16px;
}

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

.about-highlight {
    color: var(--navy) !important;
    font-weight: 500;
    border-left: 3px solid var(--gold);
    padding-left: 20px;
    margin-top: 24px !important;
}

/* ---- Criteria ---- */
.criteria {
    background: var(--white);
}

.criteria-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.criteria-card {
    padding: 36px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.criteria-card:hover {
    border-color: var(--gold);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}

.criteria-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 20px;
    color: var(--gold);
}

.criteria-icon svg {
    width: 100%;
    height: 100%;
}

.criteria-card h3 {
    margin-bottom: 12px;
    font-size: 1.15rem;
}

.criteria-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.65;
}

/* ---- CTA ---- */
.cta {
    position: relative;
    text-align: center;
    padding: 120px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
}

.cta-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: rgba(12, 24, 41, 0.88);
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    margin: 0 auto;
}

.cta h2 {
    color: var(--white);
    margin-bottom: 16px;
}

.cta p {
    color: rgba(255,255,255,0.7);
    font-size: 1.05rem;
    margin-bottom: 32px;
}

/* ---- Contact ---- */
.contact {
    background: var(--cream);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-info h2 {
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--gray-600);
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-item svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    color: var(--gold);
    margin-top: 2px;
}

.contact-item strong {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--navy);
    margin-bottom: 4px;
}

.contact-item a,
.contact-item span {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.contact-item a:hover { color: var(--gold); }

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 32px;
}

.social-links a {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--gray-200);
    border-radius: 50%;
    color: var(--gray-600);
    transition: all var(--transition);
}

.social-links a svg {
    width: 18px;
    height: 18px;
}

.social-links a:hover {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(200,164,94,0.08);
}

/* Contact Form */
.contact-form-wrap {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--navy);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    background: var(--gray-100);
    color: var(--text);
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--gold);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(200,164,94,0.15);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-msg {
    font-size: 0.9rem;
    min-height: 1.4em;
    margin-bottom: 12px;
}
.form-msg-ok { color: #2e7d32; }
.form-msg-err { color: #c62828; }

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

/* ---- Footer ---- */
.footer {
    background: var(--navy);
    color: rgba(255,255,255,0.7);
    padding-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 40px;
}

.footer-logo {
    height: 36px;
    width: auto;
    filter: brightness(0) invert(1);
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 320px;
}

.footer h4 {
    color: var(--white);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.footer-nav ul { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a {
    font-size: 0.9rem;
    transition: color var(--transition);
}
.footer-nav a:hover { color: var(--gold); }

.footer-contact p {
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.85rem;
}

.footer-bottom a { transition: color var(--transition); }
.footer-bottom a:hover { color: var(--gold); }

/* ---- Animations ---- */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.criteria-card:nth-child(2) { transition-delay: 0.1s; }
.criteria-card:nth-child(3) { transition-delay: 0.2s; }
.criteria-card:nth-child(4) { transition-delay: 0.3s; }
.criteria-card:nth-child(5) { transition-delay: 0.4s; }
.criteria-card:nth-child(6) { transition-delay: 0.5s; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .about-grid { gap: 48px; }
    .contact-grid { gap: 48px; }
    .criteria-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .section { padding: 64px 0; }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--navy);
        flex-direction: column;
        padding: 100px 32px 32px;
        gap: 24px;
        transition: right var(--transition);
        box-shadow: -4px 0 20px rgba(0,0,0,0.3);
    }

    .nav-links.open { right: 0; }

    .nav-links a {
        font-size: 1.1rem;
        color: var(--white);
    }

    .nav-toggle { display: flex; }

    .nav-right-mobile { display: flex; }
    .lang-switch-mobile { display: flex; }

    /* Hide desktop lang switch inside nav-links on mobile */
    .nav-links .lang-switch { display: none; }

    .hero-content { padding-top: 140px; }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image { order: -1; }

    .about-image-badge {
        bottom: -12px;
        right: 12px;
        padding: 16px;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-form-wrap { padding: 28px; }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .cta { padding: 80px 0; }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    .hero-actions { flex-direction: column; }
    .btn { width: 100%; text-align: center; }
    .criteria-card { padding: 28px; }
}