@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --bg: #0c1118;
    --panel: #131b24;
    --surface: #1a2332;
    --text: #f2f4f7;
    --muted: #8a9ab0;
    --accent: #c9a96a;
    --border: rgba(255, 255, 255, 0.07);
    --max-w: 1180px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
}

/* ── NAV ────────────────────────────────────────── */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 6%;
    height: 80px;
    background: var(--bg);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

.logo-img {
    height: 52px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 36px;
}

.nav-links a {
    text-decoration: none;
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--accent);
}

/* ── FIXED BACKGROUND LAYER ─────────────────────── */
#site-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
}

#site-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(12, 17, 24, 0.55);
    z-index: 1;
    pointer-events: none;
}

.bg-img {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.4s ease;
    z-index: 0;
}

.bg-img.active {
    opacity: 1;
}

.bg-0 { background-image: url('https://images.unsplash.com/photo-1513635269975-59663e0ac1ad?auto=format&fit=crop&q=80&w=2000'); } /* River Thames / Tower Bridge panorama */
.bg-1 { background-image: url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&q=80&w=2000'); } /* Luxury modern home exterior at dusk */
.bg-2 { background-image: url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&q=80&w=2000'); } /* UK construction site workers */
.bg-3 { background-image: url('https://images.unsplash.com/photo-1545324418-cc1a3fa10c00?auto=format&fit=crop&q=80&w=2000'); } /* New-build apartment block, dark cladding */
.bg-4 { background-image: url('https://images.unsplash.com/photo-1448630360428-65456885c650?auto=format&fit=crop&q=80&w=2000'); } /* Modern brick building exterior */
.bg-5 { background-image: url('https://images.unsplash.com/photo-1500382017468-9049fed747ef?auto=format&fit=crop&q=80&w=2000'); } /* English wheat field at sunset */

/* ── HERO ───────────────────────────────────────── */
.hero-section {
    width: 100%;
    min-height: 92vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: transparent;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(12, 17, 24, 0.58);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 0 8%;
    text-align: center;
    max-width: 760px;
}

.hero-logo {
    height: 170px;
    width: auto;
    display: block;
    margin: 0 auto 52px;
    box-shadow: 0 16px 56px rgba(0, 0, 0, 0.45);
}

.eyebrow {
    display: block;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 20px;
}

.hero-content h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.6rem, 5vw, 4.2rem);
    font-weight: 600;
    line-height: 1.15;
    color: var(--text);
    margin-bottom: 24px;
}

.hero-content p {
    font-size: 1.05rem;
    color: rgba(242, 244, 247, 0.75);
    max-width: 520px;
    margin: 0 auto 44px;
    font-weight: 300;
}

.btn {
    display: inline-block;
    padding: 14px 38px;
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
    font-family: 'Inter', sans-serif;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    text-decoration: none;
    transition: background 0.25s, color 0.25s;
}

.btn:hover {
    background: var(--accent);
    color: #0c1118;
}

/* ── STATS BAND ─────────────────────────────────── */
.stats-band {
    background: rgba(12, 17, 24, 0.96);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: center;
}

.stat-item {
    flex: 1;
    max-width: 300px;
    padding: 52px 32px;
    text-align: center;
    border-right: 1px solid var(--border);
}

.stat-item:last-child {
    border-right: none;
}

.stat-number {
    font-family: 'Playfair Display', serif;
    font-size: 2.8rem;
    font-weight: 600;
    color: var(--accent);
    display: block;
    margin-bottom: 8px;
    line-height: 1;
}

.stat-label {
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
}

/* ── SECTIONS ───────────────────────────────────── */
section[id] {
    scroll-margin-top: 80px;
}

.section {
    padding: 100px 8%;
    background: rgba(12, 17, 24, 0.74);
}

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

.section-dark {
    background: rgba(13, 19, 28, 0.88);
}

.section h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.9rem, 3vw, 2.8rem);
    font-weight: 600;
    color: var(--text);
    margin-bottom: 20px;
    line-height: 1.25;
}

.section-intro {
    font-size: 1rem;
    color: var(--muted);
    max-width: 580px;
    margin-bottom: 64px;
    font-weight: 300;
    line-height: 1.8;
}

.accent-line {
    width: 40px;
    height: 2px;
    background: var(--accent);
    margin-bottom: 28px;
}

/* ── PILLARS ────────────────────────────────────── */
.pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
}

.pillar {
    background: var(--surface);
    padding: 48px 36px;
    border-top: 2px solid var(--accent);
}

.pillar h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 14px;
}

.pillar p {
    font-size: 0.92rem;
    color: var(--muted);
    line-height: 1.8;
    font-weight: 300;
}

/* ── TWO-COL ────────────────────────────────────── */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.two-col .col-text h2 {
    margin-bottom: 20px;
}

.two-col .col-text p {
    font-size: 0.97rem;
    color: var(--muted);
    font-weight: 300;
    line-height: 1.85;
    margin-bottom: 14px;
}

.two-col img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
}

/* ── PAGE HERO (inner pages) ────────────────────── */
.page-hero {
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    padding: 88px 8% 80px;
}

.page-hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.2rem, 4vw, 3.4rem);
    font-weight: 600;
    color: var(--text);
    max-width: 680px;
    line-height: 1.2;
    margin-bottom: 20px;
}

.page-hero p {
    font-size: 1rem;
    color: var(--muted);
    max-width: 540px;
    font-weight: 300;
    line-height: 1.8;
}

/* ── TEAM CARDS ─────────────────────────────────── */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
}

.team-card {
    background: var(--surface);
    padding: 40px 32px;
}

.team-card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
    color: var(--text);
    margin-bottom: 6px;
}

.team-card .role {
    display: block;
    font-size: 0.68rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
}

.team-card p {
    font-size: 0.9rem;
    color: var(--muted);
    font-weight: 300;
    line-height: 1.8;
}

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

.contact-info h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: var(--text);
    margin-bottom: 16px;
}

.contact-info p {
    font-size: 0.95rem;
    color: var(--muted);
    font-weight: 300;
    line-height: 1.85;
    margin-bottom: 12px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contact-form input,
.contact-form textarea {
    padding: 14px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
    resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--muted);
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: rgba(201, 169, 106, 0.5);
}

.submit-btn {
    padding: 15px;
    background: var(--accent);
    color: #0c1118;
    border: none;
    font-family: 'Inter', sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    cursor: pointer;
    transition: opacity 0.2s;
}

.submit-btn:hover {
    opacity: 0.88;
}

/* ── FOOTER ─────────────────────────────────────── */
footer {
    background: var(--panel);
    border-top: 1px solid var(--border);
    padding: 64px 8% 36px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 52px;
    gap: 48px;
    max-width: var(--max-w);
    margin-left: auto;
    margin-right: auto;
}

.footer-brand img {
    height: 44px;
    margin-bottom: 18px;
}

.footer-brand p {
    font-size: 0.85rem;
    color: var(--muted);
    max-width: 260px;
    font-weight: 300;
    line-height: 1.75;
}

.footer-col h4 {
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 20px;
}

.footer-nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-nav a {
    text-decoration: none;
    font-size: 0.85rem;
    color: var(--muted);
    font-weight: 300;
    transition: color 0.2s;
}

.footer-nav a:hover {
    color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 28px;
    font-size: 0.76rem;
    color: var(--muted);
    max-width: var(--max-w);
    margin: 0 auto;
}

/* ── RESPONSIVE ─────────────────────────────────── */
@media (max-width: 960px) {
    .two-col,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .two-col img {
        height: 280px;
    }

    .pillars,
    .team-grid {
        grid-template-columns: 1fr;
    }

    .stats-band {
        flex-direction: column;
        align-items: stretch;
    }

    .stat-item {
        max-width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 36px 8%;
    }

    .footer-inner {
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .navbar {
        flex-direction: column;
        height: auto;
        padding: 18px 6%;
        gap: 14px;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px 18px;
    }

    .section {
        padding: 70px 6%;
    }

    .page-hero {
        padding: 64px 6% 60px;
    }
}