/* Palette: Matte Black, Gold, White */
:root {
    --matte-black: #121212;
    --gold: #D4AF37;
    --off-white: #F9F9F9;
    --dark-grey: #1F1F1F;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Mulish', sans-serif;
}

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

body {
    background-color: var(--matte-black);
    color: var(--off-white);
    font-family: var(--font-body);
    font-weight: 300;
    line-height: 1.7;
}

.container { width: 85%; max-width: 1400px; margin: 0 auto; }
.section-padding { padding: 120px 0; }
a { text-decoration: none; color: inherit; transition: 0.4s ease; }
img { max-width: 100%; height: auto; }

/* Header */
.brand-header {
    background: rgba(18, 18, 18, 0.9);
    padding: 30px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    letter-spacing: 2px;
    color: var(--off-white);
}
.gold { color: var(--gold); }

.arch-nav a {
    margin-left: 35px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #aaa;
}
.arch-nav a:hover, .arch-nav a.active { color: var(--gold); }

.btn-outline {
    border: 1px solid var(--gold);
    color: var(--gold) !important;
    padding: 12px 30px;
    transition: 0.3s;
}
.btn-outline:hover { background: var(--gold); color: var(--matte-black) !important; }

/* Mobile Menu */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 8px;
    background: none;
    border: none;
    cursor: pointer;
    align-items: flex-end;
}
.line { height: 2px; background: var(--gold); transition: 0.3s; }
.line.long { width: 30px; }
.line.short { width: 20px; }

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--matte-black);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: 0.5s;
}
.mobile-overlay.active { opacity: 1; pointer-events: all; }
.close-btn { position: absolute; top: 30px; right: 30px; background: none; border: none; font-size: 2rem; color: var(--gold); cursor: pointer; }
.mobile-overlay a { font-family: var(--font-heading); font-size: 2.5rem; margin: 20px 0; color: var(--off-white); font-style: italic; }

@media (max-width: 900px) {
    .arch-nav { display: none; }
    .mobile-toggle { display: flex; }
}

/* Hero */
.hero-arch {
    height: 90vh;
    background-size: cover;
    background-position: center;
    position: relative;
}
.overlay-gradient {
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(18,18,18,0.9) 0%, rgba(18,18,18,0.3) 100%);
    display: flex;
    align-items: center;
}
.hero-content { margin-left: 10%; max-width: 700px; }
.subtitle { color: var(--gold); letter-spacing: 4px; font-size: 0.8rem; display: block; margin-bottom: 20px; text-transform: uppercase; }
.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 30px;
}
.hero-content p { font-size: 1.1rem; color: #ccc; margin-bottom: 50px; border-left: 1px solid var(--gold); padding-left: 20px; }
.scroll-link { border-bottom: 1px solid var(--gold); padding-bottom: 5px; font-style: italic; font-family: var(--font-heading); font-size: 1.1rem; }

/* Expertise */
.section-head { text-align: center; margin-bottom: 80px; }
.section-head h2 { font-family: var(--font-heading); font-size: 3rem; margin-bottom: 20px; }
.gold-line { width: 60px; height: 1px; background: var(--gold); margin: 0 auto; }
.gold-line.left { margin: 30px 0; }

.exp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 50px; text-align: center; }
.exp-item { padding: 40px; border: 1px solid rgba(255,255,255,0.05); transition: 0.4s; }
.exp-item:hover { border-color: var(--gold); background: var(--dark-grey); }
.num { font-family: var(--font-heading); font-size: 4rem; color: rgba(255,255,255,0.1); margin-bottom: -20px; display: block; }
.exp-item h3 { font-family: var(--font-heading); font-size: 1.5rem; margin-bottom: 15px; color: var(--gold); }
.exp-item p { color: #888; font-size: 0.95rem; }

/* Showcase Strip */
.showcase-strip { display: grid; grid-template-columns: repeat(3, 1fr); height: 500px; }
.project-box { background-size: cover; background-position: center; position: relative; overflow: hidden; cursor: pointer; }
.hover-info {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(18, 18, 18, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: 0.5s;
    border: 1px solid var(--gold);
    margin: 20px; /* Inset border effect */
    width: calc(100% - 40px);
    height: calc(100% - 40px);
}
.project-box:hover .hover-info { opacity: 1; }
.hover-info h3 { font-family: var(--font-heading); font-size: 2rem; margin-bottom: 10px; }
.hover-info p { color: var(--gold); font-style: italic; }

/* Studio & Contact Layouts */
.studio-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.studio-text h1 { font-family: var(--font-heading); font-size: 3rem; }
.values-list { list-style: none; margin-top: 30px; font-family: var(--font-heading); font-size: 1.2rem; color: var(--gold); }
.values-list li { margin-bottom: 15px; }
.studio-img img { filter: grayscale(100%); transition: 0.5s; }
.studio-img:hover img { filter: grayscale(0%); }

.contact-block { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; background: var(--dark-grey); padding: 60px; }
.contact-info h2 { font-family: var(--font-heading); color: var(--gold); font-size: 2.5rem; margin-bottom: 20px; }
.address-box p { margin-bottom: 10px; font-size: 1.1rem; }

.elegant-form .input-group { margin-bottom: 30px; }
.elegant-form input, .elegant-form select, .elegant-form textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid #555;
    padding: 15px 0;
    color: var(--off-white);
    font-family: var(--font-body);
    font-size: 1.1rem;
    outline: none;
    transition: 0.3s;
}
.elegant-form input:focus, .elegant-form select:focus, .elegant-form textarea:focus { border-bottom-color: var(--gold); }
.btn-gold { background: var(--gold); color: var(--matte-black); border: none; padding: 15px 40px; font-family: var(--font-heading); font-weight: 700; cursor: pointer; letter-spacing: 1px; transition: 0.3s; margin-top: 20px; }
.btn-gold:hover { background: #fff; }

/* Testimonials & Legal */
.ref-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.ref-card { background: var(--dark-grey); padding: 40px; position: relative; }
.ref-card.highlight { border: 1px solid var(--gold); }
.quote-mark { font-family: var(--font-heading); font-size: 4rem; color: var(--gold); opacity: 0.3; line-height: 1; margin-bottom: 20px; }
.ref-card p { font-style: italic; margin-bottom: 30px; color: #ccc; }
.client strong { display: block; font-family: var(--font-heading); color: var(--gold); font-size: 1.1rem; }
.client span { font-size: 0.8rem; letter-spacing: 1px; }

.legal-doc { max-width: 800px; margin: 0 auto; }
.legal-doc h1 { font-family: var(--font-heading); font-size: 2.5rem; }
.legal-doc h3 { color: var(--gold); margin-top: 40px; font-family: var(--font-heading); }

/* Footer */
.brand-footer { border-top: 1px solid #333; padding: 60px 0 30px; margin-top: 100px; }
.footer-layout { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #222; padding-bottom: 30px; margin-bottom: 20px; }
.f-brand h4 { font-family: var(--font-heading); letter-spacing: 2px; color: var(--gold); font-size: 1.2rem; margin-bottom: 5px; }
.f-social a { margin-left: 20px; color: #666; }
.f-social a:hover { color: var(--gold); }
.copyright { text-align: center; font-size: 0.8rem; color: #444; }

/* Cookie */
.cookie-gold { position: fixed; bottom: 30px; right: 30px; background: var(--dark-grey); border: 1px solid var(--gold); padding: 20px 30px; display: flex; align-items: center; gap: 20px; z-index: 9999; display: none; }
.cookie-gold.active { display: flex; animation: fadeUp 0.5s; }
.cookie-gold button { background: var(--gold); color: var(--matte-black); border: none; padding: 10px 20px; cursor: pointer; font-weight: 600; }

@keyframes fadeUp { from { transform: translateY(50px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

@media (max-width: 900px) {
    .hero-content h1 { font-size: 3rem; }
    .exp-grid, .showcase-strip, .studio-grid, .contact-block, .ref-grid { grid-template-columns: 1fr; }
    .showcase-strip { height: auto; }
    .project-box { height: 300px; }
    .footer-layout { flex-direction: column; text-align: center; gap: 20px; }
}