@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --primary: #000000;
    --primary-hsl: 0 0% 0%;
    --accent: #000000;
    --accent-hover: #222222;
    --accent-hsl: 0 0% 0%;
    --bg-light: #ffffff;
    --bg-card: #ffffff;
    --border: #e5e7eb;
    --text-main: #111827;
    --text-muted: #4b5563;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.02);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.04), 0 4px 6px -4px rgb(0 0 0 / 0.04);
    --radius-sm: 0rem; /* crisp corners for a professional, architectural editorial feel */
    --radius-md: 0rem;
    --radius-lg: 0rem;
}

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

html {
    scroll-behavior: smooth;
    height: 100%;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--primary);
    font-weight: 700;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

/* Navigation Bar */
header {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
    transition: background-color 0.3s;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 88px;
    width: auto;
    display: block;
}


.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    font-weight: 500;
    color: var(--text-main);
    font-size: 1rem;
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: width 0.3s ease;
}

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

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

.nav-link.active {
    color: var(--accent);
    font-weight: 600;
}

.btn-contact-nav {
    background-color: var(--primary);
    color: #ffffff;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.btn-contact-nav.active {
    background-color: #222222;
    color: #ffffff !important;
}

.btn-contact-nav::after {
    display: none !important;
}

.btn-contact-nav:hover {
    background-color: #222222;
    color: #ffffff !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 101;
}

.hamburger span {
    display: block;
    width: 28px;
    height: 3px;
    background-color: var(--primary);
    border-radius: 2px;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    padding: 6.5rem 2rem;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-title span {
    color: var(--accent);
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--accent);
    color: #fff;
    border: 1px solid var(--accent);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-secondary:hover {
    background-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

/* Image Placeholder Box styling */
.img-placeholder {
    aspect-ratio: 16/10;
    background: #ffffff;
    border: 1px solid #000000;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    text-align: center;
    box-shadow: none;
    position: relative;
    overflow: hidden;
}

.img-placeholder::before {
    display: none;
}

.img-placeholder-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.img-placeholder-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.img-placeholder-text {
    font-size: 0.875rem;
    color: var(--text-main);
    max-width: 280px;
}

/* Section Common Styles */
section {
    padding: 5rem 2rem;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-tag {
    color: var(--accent);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
    display: block;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 3rem;
    letter-spacing: -0.02em;
}

.section-title span {
    color: var(--accent);
}

/* Cards & Grid Systems */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: #000000;
}

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.card-icon .material-icons-outlined {
    font-size: 2.75rem;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

/* Products Catalog Layout */
.product-hero {
    background-color: var(--primary);
    color: #fff;
    padding: 6rem 2rem 4rem;
    text-align: center;
}

.product-hero h1 {
    color: #fff;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.product-hero p {
    color: var(--border);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.125rem;
}

.product-section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    margin-bottom: 6rem;
    align-items: center;
}

.product-section-grid:nth-child(even) {
    direction: rtl;
}

.product-section-grid:nth-child(even) .product-content {
    direction: ltr;
}

.product-content h3 {
    font-size: 1.8rem;
    margin-bottom: 1.25rem;
}

.product-content p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.product-spec-list {
    list-style: none;
    margin-bottom: 2rem;
}

.product-spec-list li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.product-spec-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

/* Contact Grid & Form Layout */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.info-group-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.info-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.location-card {
    background-color: var(--bg-card);
    border-left: 4px solid var(--accent);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border-top: 1px solid var(--border);
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.location-name {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.location-card p {
    font-size: 0.95rem;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.location-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
}

.contact-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-lg);
}

.contact-form-title {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.contact-form-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    background-color: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--primary);
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    background-color: var(--accent);
    color: #fff;
    border: none;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 1rem;
}

.btn-submit:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 10px 15px -3px rgba(14, 165, 233, 0.3);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--primary);
    color: #fff;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transform: translateY(150%);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
    transform: translateY(0);
}

.toast-success {
    border-left: 4px solid var(--accent);
}

/* Footer Section */
footer {
    background-color: var(--primary);
    color: #fff;
    padding: 4rem 2rem 2rem;
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-info h4 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-info h4 span {
    color: var(--accent);
}

.footer-info p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    max-width: 320px;
}

.footer-links h5 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-bottom {
    max-width: 1200px;
    margin: 2rem auto 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

/* Animations */
@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.85; }
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .hero-title {
        font-size: 2.75rem;
    }

    .hero-subtitle {
        margin: 0 auto 2.5rem;
    }

    .hero-cta {
        justify-content: center;
    }

    .product-section-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .product-section-grid:nth-child(even) {
        direction: ltr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 73px;
        flex-direction: column;
        background-color: #fff;
        width: 100%;
        height: calc(100vh - 73px);
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.05);
        padding: 2rem;
        gap: 1.5rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .logo-img {
        height: 54px;
    }

    .form-group.full-width {
        grid-column: span 1;
    }
}