/* Palette: Black, White, Concrete Grey */
:root {
    --black: #111111;
    --white: #FFFFFF;
    --grey: #F0F0F0;
    --dark-grey: #333333;
    --line-color: #E0E0E0;
    
    --font-mono: 'Cutive Mono', monospace;
    --font-sans: 'Work Sans', sans-serif;
}

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

body {
    background-color: var(--white);
    color: var(--black);
    font-family: var(--font-sans);
    line-height: 1.5;
    font-weight: 300;
    overflow-x: hidden;
}

.container { width: 90%; max-width: 1400px; margin: 0 auto; position: relative; z-index: 10; }
.section-padding { padding: 120px 0; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
img { max-width: 100%; height: auto; display: block; filter: grayscale(100%); transition: 0.5s; }
img:hover { filter: grayscale(0%); }

/* Grid Lines Background */
.grid-lines { position: fixed; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; display: flex; justify-content: space-between; padding: 0 5%; }
.v-line { width: 1px; height: 100%; background: var(--line-color); }

/* Header */
.arch-header { position: fixed; top: 0; width: 100%; background: rgba(255,255,255,0.95); z-index: 1000; border-bottom: 1px solid var(--black); padding: 20px 0; }
.header-flex { display: flex; justify-content: space-between; align-items: center; }

.logo { font-family: var(--font-sans); font-size: 1.5rem; letter-spacing: 2px; text-transform: uppercase; color: var(--black); }
.bold { font-weight: 600; }

.arch-nav a { font-family: var(--font-mono); font-size: 0.9rem; margin-left: 30px; color: var(--dark-grey); }
.arch-nav a:hover, .arch-nav a.active { color: var(--black); text-decoration: underline; }

.menu-btn { display: none; background: none; border: 1px solid var(--black); width: 40px; height: 40px; font-size: 1.5rem; cursor: pointer; line-height: 1; }

/* Mobile Menu */
.mobile-menu { position: fixed; top: 0; right: -100%; width: 100%; height: 100%; background: var(--black); z-index: 2000; display: flex; flex-direction: column; justify-content: center; align-items: center; transition: 0.4s; }
.mobile-menu.active { right: 0; }
.close-btn { position: absolute; top: 30px; right: 30px; color: var(--white); background: none; border: none; font-family: var(--font-mono); font-size: 1.2rem; cursor: pointer; }
.mobile-menu a { font-family: var(--font-mono); font-size: 2rem; color: var(--white); margin: 15px 0; }

@media (max-width: 900px) {
    .arch-nav { display: none; }
    .menu-btn { display: block; }
    .grid-lines { display: none; }
}

/* Hero */
.hero-arch { height: 90vh; position: relative; display: flex; align-items: flex-end; padding-bottom: 100px; border-bottom: 1px solid var(--black); }
.hero-img { position: absolute; top: 0; left: 0; width: 100%; height: 80%; background-size: cover; background-position: center; z-index: 1; filter: grayscale(100%); opacity: 0.8; }
.hero-label { position: relative; z-index: 2; background: var(--white); padding: 40px; border: 1px solid var(--black); margin-left: 10%; max-width: 600px; }

.coord { font-family: var(--font-mono); font-size: 0.8rem; display: block; margin-bottom: 20px; color: var(--dark-grey); }
.hero-label h1 { font-size: 4rem; line-height: 1; margin-bottom: 20px; font-weight: 600; letter-spacing: -2px; }
.hero-label p { font-size: 1.1rem; margin-bottom: 30px; font-family: var(--font-mono); }

.btn-line { display: inline-block; border: 1px solid var(--black); padding: 10px 30px; font-family: var(--font-mono); font-weight: 700; transition: 0.3s; }
.btn-line:hover { background: var(--black); color: var(--white); }

/* Projects */
.section-title { margin-bottom: 80px; }
.section-title h2 { font-size: 2.5rem; margin-bottom: 20px; letter-spacing: -1px; }
.separator { width: 100px; height: 2px; background: var(--black); margin: 0 auto; }
.separator.left { margin: 0 0 30px 0; }

.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.project-card { position: relative; }
.project-card.down { margin-top: 100px; }
.p-image { margin-bottom: 20px; overflow: hidden; border: 1px solid var(--black); }
.p-info .p-id { font-family: var(--font-mono); font-size: 0.8rem; color: var(--dark-grey); display: block; margin-bottom: 5px; }
.p-info h3 { font-size: 1.5rem; margin-bottom: 5px; }
.p-info p { font-family: var(--font-mono); font-size: 0.9rem; }

/* About */
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: flex-start; }
.text-col h1 { font-size: 3rem; margin-bottom: 30px; letter-spacing: -1px; }
.specs-list { margin-top: 40px; list-style: none; font-family: var(--font-mono); }
.specs-list li { margin-bottom: 10px; font-size: 1.1rem; }
.img-col img { border: 1px solid var(--black); }
.caption { font-family: var(--font-mono); font-size: 0.8rem; margin-top: 10px; text-align: right; }

/* Testimonials */
.feedback-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.feedback-item { border: 1px solid var(--black); padding: 40px; position: relative; transition: 0.3s; }
.feedback-item:hover { background: var(--black); color: var(--white); }
.quote-mark { font-family: var(--font-mono); font-size: 4rem; position: absolute; top: 10px; left: 20px; opacity: 0.2; }
.feedback-item p { margin-top: 20px; font-style: italic; margin-bottom: 30px; }
.author { font-family: var(--font-mono); font-size: 0.8rem; text-transform: uppercase; }

/* Contact */
.contact-struct { display: grid; grid-template-columns: 1fr 1.5fr; gap: 80px; border-top: 1px solid var(--black); padding-top: 80px; }
.contact-details p { margin-bottom: 20px; font-family: var(--font-mono); }

.blueprint-form .form-line { margin-bottom: 30px; border-bottom: 1px solid var(--black); padding-bottom: 10px; }
.blueprint-form label { display: block; font-family: var(--font-mono); font-size: 0.8rem; margin-bottom: 10px; }
.blueprint-form input, .blueprint-form select, .blueprint-form textarea { width: 100%; border: none; background: transparent; font-family: var(--font-sans); font-size: 1.2rem; outline: none; }
.btn-submit { background: var(--black); color: var(--white); border: none; padding: 15px 40px; font-family: var(--font-mono); cursor: pointer; transition: 0.3s; }
.btn-submit:hover { background: var(--white); color: var(--black); border: 1px solid var(--black); }

/* Legal */
.legal-doc { max-width: 800px; margin: 0 auto; }
.legal-doc h1 { font-size: 3rem; margin-bottom: 20px; }
.legal-doc h3 { font-family: var(--font-mono); margin-top: 40px; border-bottom: 1px solid var(--black); display: inline-block; }

/* Footer */
.arch-footer { border-top: 1px solid var(--black); padding: 60px 0 30px; margin-top: 100px; background: var(--grey); }
.footer-content { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 40px; }
.f-block h4 { font-family: var(--font-mono); font-size: 1.2rem; margin-bottom: 10px; }
.f-links a { display: block; font-family: var(--font-mono); margin-bottom: 5px; }
.copyright { font-family: var(--font-mono); font-size: 0.8rem; border-top: 1px solid #ccc; padding-top: 20px; }

/* Cookie */
.cookie-box { position: fixed; bottom: 20px; right: 20px; background: var(--white); border: 1px solid var(--black); padding: 20px; font-family: var(--font-mono); z-index: 3000; display: none; }
.cookie-box.active { display: block; }
.cookie-box button { background: var(--black); color: var(--white); border: none; padding: 5px 10px; margin-top: 10px; cursor: pointer; font-family: var(--font-mono); }

@media (max-width: 900px) {
    .hero-label { margin: 0; max-width: 100%; bottom: 0; border: none; padding: 20px; }
    .hero-img { height: 50%; position: relative; }
    .hero-arch { flex-direction: column; height: auto; }
    .project-grid, .about-layout, .feedback-grid, .contact-struct { grid-template-columns: 1fr; }
    .project-card.down { margin-top: 0; }
}