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

/* --- Reset & Base Variables --- */
:root {
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-grey: #EAEAEA;
    --color-dark-grey: #1a1a1a;
    --color-medium-grey: #8c8c8c;
    --font-primary: 'Inter', sans-serif;
    --grid-gap: 1px; /* strict thin borders between grid cells */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--color-white);
    color: var(--color-black);
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
}

body {
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Custom Selection & Scrollbar */
::selection {
    background-color: var(--color-black);
    color: var(--color-white);
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--color-white);
    border-left: 1px solid var(--color-grey);
}
::-webkit-scrollbar-thumb {
    background: var(--color-black);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 400;
    letter-spacing: -0.03em;
    line-height: 1.1;
    text-transform: uppercase;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

/* --- Layout Architecture --- */
.container {
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
    padding: 0 40px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
}

/* Header & Navigation */
header {
    border-bottom: 1px solid var(--color-black);
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.header-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    height: 80px;
    padding: 0 40px;
}

@media (max-width: 768px) {
    .header-grid {
        grid-template-columns: auto 1fr auto;
        padding: 0 20px;
        height: 70px;
    }
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.nav-desktop {
    display: flex;
    gap: 40px;
    justify-content: center;
}

.nav-desktop a {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
}

.nav-desktop a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-black);
    transition: var(--transition-smooth);
}

.nav-desktop a:hover::after,
.nav-desktop a.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 20px;
}

.cta-btn {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid var(--color-black);
    padding: 10px 20px;
    background-color: transparent;
    color: var(--color-black);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.cta-btn:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

/* Mobile Menu Button & Drawer */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 1px;
    background-color: var(--color-black);
    position: absolute;
    left: 0;
    transition: var(--transition-smooth);
}

.menu-toggle span:nth-child(1) { top: 4px; }
.menu-toggle span:nth-child(2) { top: 12px; }
.menu-toggle span:nth-child(3) { top: 20px; }

.menu-toggle.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.menu-toggle.open span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.mobile-menu-drawer {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--color-white);
    border-top: 1px solid var(--color-black);
    z-index: 99;
    display: flex;
    flex-direction: column;
    padding: 40px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.mobile-menu-drawer.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: auto;
}

.mobile-nav a {
    font-size: 2rem;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

@media (max-width: 768px) {
    .nav-desktop, .header-actions .cta-btn {
        display: none;
    }
    .menu-toggle {
        display: block;
        grid-column: 3;
    }
    .logo {
        grid-column: 1;
    }
}

/* --- Strict Monochromatic Grids & Sections --- */
.section-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    border-bottom: 1px solid var(--color-black);
}

.grid-cell {
    border-right: 1px solid var(--color-black);
    padding: 80px 40px;
}

.grid-cell:last-child {
    border-right: none;
}

@media (max-width: 992px) {
    .section-grid {
        grid-template-columns: 1fr;
    }
    .grid-cell {
        border-right: none;
        border-bottom: 1px solid var(--color-black);
        padding: 60px 20px;
    }
    .grid-cell:last-child {
        border-bottom: none;
    }
}

/* Hero Section */
.hero-section {
    position: relative;
    border-bottom: 1px solid var(--color-black);
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 85vh;
}

.hero-text {
    padding: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-right: 1px solid var(--color-black);
}

.hero-title {
    font-size: 5rem;
    line-height: 0.95;
    margin-bottom: 40px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-dark-grey);
    max-width: 500px;
    margin-bottom: 50px;
    font-weight: 300;
}

.hero-visual {
    position: relative;
    background-color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 40px;
}

/* Linear silhouettes for visuals */
.silhouette-canvas {
    width: 80%;
    height: 80%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.silhouette-svg {
    width: 100%;
    height: 100%;
    stroke: var(--color-black);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: var(--transition-smooth);
}

.silhouette-canvas:hover .silhouette-svg {
    stroke-width: 2;
    transform: scale(1.02);
}

@media (max-width: 992px) {
    .hero-section {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    .hero-text {
        padding: 60px 20px;
        border-right: none;
        border-bottom: 1px solid var(--color-black);
    }
    .hero-title {
        font-size: 3rem;
    }
    .hero-visual {
        height: 400px;
    }
}

/* Catalog / Gallery Grid */
.catalog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background-color: var(--color-black);
    gap: var(--grid-gap);
    border-bottom: 1px solid var(--color-black);
}

@media (max-width: 992px) {
    .catalog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .catalog-grid {
        grid-template-columns: 1fr;
    }
}

.catalog-item {
    background-color: var(--color-white);
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 480px;
    transition: var(--transition-smooth);
    position: relative;
}

.catalog-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-black);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 0;
}

.catalog-item:hover::before {
    opacity: 0.02;
}

.catalog-item > * {
    position: relative;
    z-index: 1;
}

.catalog-img-container {
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
}

.catalog-img-container svg {
    max-height: 100%;
    max-width: 100%;
    stroke: var(--color-black);
    fill: none;
    stroke-width: 1;
}

.catalog-details {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-top: 1px solid var(--color-black);
    padding-top: 20px;
}

.catalog-meta h3 {
    font-size: 1.25rem;
    margin-bottom: 5px;
}

.catalog-meta p {
    font-size: 0.85rem;
    color: var(--color-medium-grey);
    text-transform: uppercase;
}

.catalog-price {
    font-weight: 600;
}

/* Category Filter Bar */
.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-black);
    padding: 20px 40px;
}

.filter-options {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.filter-btn {
    background: none;
    border: none;
    font-family: var(--font-primary);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    padding: 5px 0;
    position: relative;
}

.filter-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-black);
    transition: var(--transition-smooth);
}

.filter-btn.active::after,
.filter-btn:hover::after {
    width: 100%;
}

@media (max-width: 768px) {
    .filter-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        padding: 20px;
    }
}

/* --- Floating Labels & Forms --- */
.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-input {
    width: 100%;
    padding: 15px 0;
    border: none;
    border-bottom: 1px solid var(--color-black);
    background: transparent;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-black);
    outline: none;
    transition: var(--transition-smooth);
}

.form-input:focus {
    border-bottom-width: 2px;
}

.form-label {
    position: absolute;
    left: 0;
    top: 15px;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-medium-grey);
    pointer-events: none;
    transition: var(--transition-smooth);
}

/* Float logic */
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
    top: -15px;
    font-size: 0.75rem;
    color: var(--color-black);
}

/* Map placeholder */
.geometric-map {
    width: 100%;
    height: 400px;
    border: 1px solid var(--color-black);
    background-color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.geometric-map-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(to right, var(--color-grey) 1px, transparent 1px),
        linear-gradient(to bottom, var(--color-grey) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* --- GDPR Consent Banner --- */
.gdpr-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-black);
    z-index: 1000;
    transform: translateY(100%);
    transition: var(--transition-smooth);
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.05);
}

.gdpr-banner.visible {
    transform: translateY(0);
}

.gdpr-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 30px 40px;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 40px;
}

.gdpr-text {
    font-size: 0.85rem;
    line-height: 1.5;
}

.gdpr-actions {
    display: flex;
    gap: 20px;
}

@media (max-width: 768px) {
    .gdpr-container {
        grid-template-columns: 1fr;
        padding: 20px;
        gap: 20px;
    }
    .gdpr-actions {
        width: 100%;
        justify-content: space-between;
    }
    .gdpr-actions button {
        flex: 1;
        text-align: center;
    }
}

/* --- Footer --- */
footer {
    border-top: 1px solid var(--color-black);
    background-color: var(--color-white);
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    border-bottom: 1px solid var(--color-black);
}

.footer-cell {
    border-right: 1px solid var(--color-black);
    padding: 60px 40px;
}

.footer-cell:last-child {
    border-right: none;
}

.footer-cell h4 {
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    margin-bottom: 25px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--color-dark-grey);
}

.footer-links a:hover {
    color: var(--color-black);
    padding-left: 5px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding: 30px 40px;
    font-size: 0.75rem;
    color: var(--color-medium-grey);
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-cell {
        border-right: none;
        border-bottom: 1px solid var(--color-black);
        padding: 40px 20px;
    }
    .footer-cell:last-child {
        border-bottom: none;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        padding: 20px;
    }
}

/* --- Scroll Reveals & Transitions --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Text Highlight Blocks */
.lead-text {
    font-size: 2rem;
    line-height: 1.3;
    font-weight: 300;
}

@media (max-width: 768px) {
    .lead-text {
        font-size: 1.5rem;
    }
}

.bold-accent {
    font-weight: 600;
}

/* Testimonials Slider/Layout */
.testimonials-section {
    border-bottom: 1px solid var(--color-black);
}

.testimonial-card {
    border-bottom: 1px solid var(--color-black);
    padding: 60px 40px;
}

.testimonial-card:last-child {
    border-bottom: none;
}

.testimonial-quote {
    font-size: 1.5rem;
    font-style: italic;
    margin-bottom: 20px;
    font-weight: 300;
}

.testimonial-author {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Policy Content Layout */
.policy-container {
    max-width: 900px;
    margin: 80px auto;
    padding: 0 40px;
}

.policy-container h1 {
    font-size: 3rem;
    margin-bottom: 40px;
    text-align: center;
}

.policy-container h2 {
    font-size: 1.5rem;
    margin-top: 40px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--color-black);
    padding-bottom: 10px;
}

.policy-container p, .policy-container ul {
    margin-bottom: 20px;
    font-size: 0.95rem;
    color: var(--color-dark-grey);
}

.policy-container ul {
    padding-left: 20px;
}

.policy-container li {
    margin-bottom: 10px;
}