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

:root {
    --bg-primary: #F5F5F7;
    --bg-secondary: #FFFFFF;
    --text-primary: #121212;
    --text-muted: #8E8E93;
    --color-metal: #D1D1D6;
    --color-accent: #E03E3E;
    --color-dark: #121212;
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Inter', sans-serif;
    --grid-gap: 2rem;
    --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    --border-thick: 3px solid var(--text-primary);
    --border-thin: 1px solid var(--color-metal);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
    line-height: 1.1;
    color: var(--text-primary);
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Typography Helpers */
.title-large {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    line-height: 0.95;
    text-transform: uppercase;
}

.title-medium {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.title-small {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.text-lead {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--text-muted);
}

/* Layout Utilities */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 8rem 0;
}

/* Premium Header / Navigation */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(245, 245, 247, 0.9);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: var(--border-thin);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo a {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-dot {
    width: 12px;
    height: 12px;
    background-color: var(--color-accent);
    display: inline-block;
    border-radius: 50%;
}

.nav-menu {
    display: flex;
    gap: 3rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition-smooth);
}

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

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

/* Hamburger menu button */
.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    z-index: 101;
    width: 30px;
    height: 24px;
    position: relative;
}

.hamburger span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: var(--text-primary);
    border-radius: 9px;
    opacity: 1;
    left: 0;
    transform: rotate(0deg);
    transition: .25s ease-in-out;
}

.hamburger span:nth-child(1) { top: 0px; }
.hamburger span:nth-child(2) { top: 10px; }
.hamburger span:nth-child(3) { top: 20px; }

.hamburger.open span:nth-child(1) {
    top: 10px;
    transform: rotate(135deg);
}
.hamburger.open span:nth-child(2) {
    opacity: 0;
    left: -60px;
}
.hamburger.open span:nth-child(3) {
    top: 10px;
    transform: rotate(-135deg);
}

/* Mobile Nav Styles */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--text-primary);
    z-index: 99;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transition: var(--transition-smooth);
}

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

.mobile-nav .nav-link {
    color: var(--bg-primary);
    font-size: 2rem;
}

.mobile-nav .nav-link:hover {
    color: var(--color-accent);
}

/* Parallax Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    overflow: hidden;
    border-bottom: var(--border-thick);
    padding-top: 90px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    transform: scale(1.05);
    transition: transform 0.5s ease-out;
    z-index: 1;
}

/* Dark overlay for readability */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(18, 18, 18, 0.9) 0%, rgba(18, 18, 18, 0.3) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    color: var(--bg-primary);
    max-width: 800px;
}

.hero-content h1 {
    color: var(--bg-primary);
    margin-bottom: 2rem;
}

.hero-content p {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 3rem;
    color: var(--color-metal);
}

/* Modern Bauhaus Button */
.btn-bauhaus {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem 2.5rem;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background-color: var(--color-accent);
    color: var(--bg-primary);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.btn-bauhaus::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background-color: var(--text-primary);
    z-index: -1;
    transition: var(--transition-smooth);
}

.btn-bauhaus:hover::before {
    width: 100%;
}

.btn-bauhaus:hover {
    color: var(--bg-primary);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 2px solid var(--text-primary);
    margin-left: 1rem;
}

.btn-secondary:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary);
}

/* Grid Layouts - Functionalist Style */
.grid-container {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--grid-gap);
}

.grid-span-4 { grid-column: span 4; }
.grid-span-6 { grid-column: span 6; }
.grid-span-8 { grid-column: span 8; }
.grid-span-12 { grid-column: span 12; }

/* Structural Divider line styling inspired by De Stijl / Bauhaus */
.bauhaus-divider {
    height: 4px;
    background-color: var(--color-accent);
    width: 80px;
    margin: 2rem 0;
}

.bauhaus-divider-large {
    height: 8px;
    background-color: var(--text-primary);
    width: 150px;
    margin: 3rem 0;
}

/* Scroll Reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

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

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: var(--border-thick);
    background-color: var(--text-primary);
}

.feature-card {
    background-color: var(--bg-secondary);
    padding: 4rem 3rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 350px;
    transition: var(--transition-smooth);
    border-right: 1px solid var(--text-primary);
}

.feature-card:last-child {
    border-right: none;
}

.feature-card:hover {
    background-color: var(--bg-primary);
}

.feature-num {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-metal);
    line-height: 1;
}

/* Showcase Section */
.showcase-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 8rem;
}

.showcase-row:nth-child(even) {
    flex-direction: row-reverse;
}

.showcase-img-col {
    flex: 0 0 50%;
    max-width: 50%;
    position: relative;
    overflow: hidden;
}

.showcase-img-col img {
    width: 100%;
    object-fit: cover;
    height: 600px;
    transition: transform 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

.showcase-img-col:hover img {
    transform: scale(1.05);
}

.showcase-text-col {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 5rem;
}

/* Testimonials / Citations */
.testimonials {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border-top: var(--border-thick);
}

.testimonial-slider {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
}

.testimonial-card {
    border-left: 3px solid var(--color-accent);
    padding-left: 2rem;
}

.testimonial-quote {
    font-family: var(--font-body);
    font-size: 1.5rem;
    font-weight: 300;
    font-style: italic;
    line-height: 1.5;
    margin-bottom: 2rem;
    color: var(--color-metal);
}

.testimonial-author {
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.1em;
}

/* Product Catalog and Filters */
.catalog-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 4rem;
    border-bottom: var(--border-thick);
    padding-bottom: 2rem;
}

.filter-menu {
    display: flex;
    gap: 2rem;
}

.filter-btn {
    background: none;
    border: none;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    color: var(--text-muted);
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition-smooth);
}

.filter-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--color-accent);
    transition: var(--transition-smooth);
}

.filter-btn.active {
    color: var(--text-primary);
}

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

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--grid-gap);
}

.product-card {
    background-color: var(--bg-secondary);
    border: var(--border-thin);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: var(--text-primary);
    transform: translateY(-5px);
}

.product-img-wrapper {
    position: relative;
    overflow: hidden;
    background-color: #EFEFEF;
}

.product-img-wrapper img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.product-card:hover .product-img-wrapper img {
    transform: scale(1.05);
}

.product-tag {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    background-color: var(--text-primary);
    color: var(--bg-primary);
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.4rem 1rem;
    letter-spacing: 0.1em;
}

.product-info {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
    border-top: var(--border-thin);
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
}

.product-price {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-accent);
}

/* Appointment Form & Custom Map */
.contact-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
    border: var(--border-thick);
    background-color: var(--text-primary);
}

.contact-form-side {
    background-color: var(--bg-secondary);
    padding: 5rem;
}

.contact-map-side {
    background-color: var(--text-primary);
    padding: 5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: var(--bg-primary);
}

.form-group {
    position: relative;
    margin-bottom: 2.5rem;
}

.form-input {
    width: 100%;
    padding: 0.8rem 0;
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--color-metal);
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--text-primary);
    outline: none;
    transition: var(--transition-smooth);
}

.form-input:focus {
    border-bottom-color: var(--color-accent);
}

.form-label {
    position: absolute;
    left: 0;
    top: 0.8rem;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    text-transform: uppercase;
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition-smooth);
}

/* Floating label logic using CSS placeholder-shown / focus */
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
    top: -1.2rem;
    font-size: 0.85rem;
    color: var(--color-accent);
}

.custom-map {
    width: 100%;
    height: 400px;
    background-color: #1a1a1a;
    border: 2px solid var(--color-metal);
    position: relative;
    overflow: hidden;
    margin-top: 2rem;
}

.map-grid-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 20px 20px;
}

.map-line-accent {
    position: absolute;
    background-color: var(--color-accent);
}

.map-line-metal {
    position: absolute;
    background-color: rgba(209, 209, 214, 0.2);
}

.map-pin {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
    text-align: center;
}

.map-pin-pulse {
    width: 20px;
    height: 20px;
    background-color: var(--color-accent);
    border-radius: 50%;
    position: relative;
}

.map-pin-pulse::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-accent);
    border-radius: 50%;
    animation: pinPulse 2s infinite ease-out;
}

@keyframes pinPulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(3.5); opacity: 0; }
}

.map-pin-label {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-size: 0.75rem;
    padding: 0.3rem 0.8rem;
    border: 1px solid var(--color-accent);
    white-space: nowrap;
    margin-top: 0.5rem;
    display: inline-block;
}

/* Footer */
.site-footer {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    padding: 6rem 0 3rem 0;
    border-top: var(--border-thick);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand h3 {
    color: var(--bg-primary);
    margin-bottom: 1.5rem;
}

.footer-links-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-metal);
    margin-bottom: 1.5rem;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-muted);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* GDPR Cookie Consent Banner */
.cookie-banner {
    position: fixed;
    bottom: -100%;
    left: 0;
    width: 100%;
    background-color: var(--text-primary);
    color: var(--bg-primary);
    z-index: 1000;
    border-top: 4px solid var(--color-accent);
    padding: 2.5rem 0;
    transition: bottom 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.cookie-banner.show {
    bottom: 0;
}

.cookie-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
}

.cookie-text {
    flex-grow: 1;
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--color-metal);
}

.cookie-text a {
    color: var(--color-accent);
    text-decoration: underline;
}

.cookie-buttons {
    display: flex;
    gap: 1.5rem;
    flex-shrink: 0;
}

.cookie-btn-accept {
    background-color: var(--color-accent);
    color: var(--bg-primary);
    border: none;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 0.8rem 2rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.cookie-btn-accept:hover {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.cookie-btn-decline {
    background-color: transparent;
    color: var(--bg-primary);
    border: 1px solid var(--color-metal);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    padding: 0.8rem 2rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.cookie-btn-decline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Consent ID Display Style for Cookie Policy */
.consent-info-box {
    background-color: var(--bg-secondary);
    border: var(--border-thin);
    padding: 2.5rem;
    margin: 2rem 0;
}

.consent-id-val {
    font-family: monospace;
    font-weight: bold;
    color: var(--color-accent);
    font-size: 1.1rem;
}

/* Responsiveness */
@media (max-width: 1024px) {
    .grid-span-4 { grid-column: span 6; }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .feature-card {
        border-right: none;
        border-bottom: 1px solid var(--text-primary);
    }
    .feature-card:last-child {
        border-bottom: none;
    }
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .showcase-row, .showcase-row:nth-child(even) {
        flex-direction: column;
    }
    .showcase-img-col, .showcase-text-col {
        flex: 0 0 100%;
        max-width: 100%;
    }
    .showcase-text-col {
        padding: 3rem 2rem;
    }
    .showcase-img-col img {
        height: 400px;
    }
    .contact-container {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    .hamburger {
        display: block;
    }
    .grid-span-6, .grid-span-4 {
        grid-column: span 12;
    }
    .product-grid {
        grid-template-columns: 1fr;
    }
    .testimonial-slider {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .cookie-container {
        flex-direction: column;
        align-items: stretch;
        gap: 1.5rem;
        text-align: center;
    }
    .cookie-buttons {
        justify-content: center;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    .contact-form-side, .contact-map-side {
        padding: 3rem 1.5rem;
    }
}