@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Premium Industrial Color Palette */
    --primary-blue: #00254d;
    --primary-blue-light: #003a7a;
    --accent-red: #d10000;
    --industrial-gray-dark: #121212;
    --industrial-gray-mid: #666666;
    --industrial-gray-light: #f8fafc;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --bg-white: #FFFFFF;
    
    /* Premium Layout Tokens */
    --container-width: 1400px;
    --section-padding: 160px 0;
    --header-height: 100px;
    --border-radius-sm: 4px;
    --transition-premium: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.03);
    --shadow-premium: 0 20px 50px rgba(0, 37, 77, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.8;
    color: var(--text-main);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

/* Typography Overhaul */
h1, h2, h3, h4 {
    font-family: 'Archivo', sans-serif;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    line-height: 1.1;
    color: var(--primary-blue);
}

h1 { font-size: 5rem; font-weight: 900; margin-bottom: 2.5rem; }
h2 { font-size: 3rem; margin-bottom: 2rem; position: relative; padding-left: 20px; }
h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10%;
    height: 80%;
    width: 6px;
    background: var(--accent-red);
}

h3 { font-size: 1.75rem; color: var(--industrial-gray-dark); margin-bottom: 1.25rem; }

p { margin-bottom: 1.5rem; font-size: 1.1rem; }

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

/* Layout Components */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 1.5rem 3rem;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-premium);
    border: none;
    position: relative;
    z-index: 1;
}

.btn-primary {
    background: var(--primary-blue);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-blue-light);
    transform: translateY(-5px);
    box-shadow: var(--shadow-premium);
}

/* Header Styling - Glassmorphism & Logo */
header {
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo-container {
    height: 50px;
    display: flex;
    align-items: center;
}

.logo-img {
    height: 100%;
    width: auto;
    object-fit: contain;
}

nav ul { display: flex; gap: 2.5rem; align-items: center; }
nav ul li a {
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-main);
}

nav ul li a:hover, nav ul li a.active { color: var(--accent-red); }

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 0.75rem;
    margin-left: 2.5rem;
    border-left: 1px solid #eee;
    padding-left: 1.5rem;
}

.lang-btn {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.5rem;
    cursor: pointer;
    opacity: 0.4;
    transition: var(--transition-premium);
}

.lang-btn.active { opacity: 1; color: var(--primary-blue); border-bottom: 2px solid var(--accent-red); }
.lang-btn:hover { opacity: 1; }

.mobile-lang-container { display: none; }

.mobile-toggle { display: none; font-size: 1.5rem; cursor: pointer; color: var(--primary-blue); }

/* Hero Redesign - Premium Lifestyle Visual */
.hero {
    height: 100vh;
    display: flex;
    align-items: flex-start;
    padding-top: 160px;
    padding-bottom: 80px;
    background: linear-gradient(135deg, rgba(0, 37, 77, 0.95) 0%, rgba(0, 37, 77, 0.6) 100%),
                url('hero-lifestyle.png') no-repeat center center/cover;
    position: relative;
    overflow: hidden;
    background-blend-mode: multiply;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-blue);
    opacity: 0.2; /* Extra fade for subtle feel */
    z-index: 1;
}

.hero-content { 
    max-width: 800px; 
    position: relative;
    z-index: 2;
    color: white;
}

.hero h1 { color: white; font-size: 2.8rem; }
.hero p { color: rgba(255, 255, 255, 0.9); }

.section-tag {
    font-weight: 800;
    color: var(--accent-red);
    text-transform: uppercase;
    letter-spacing: 0.3em;
    margin-bottom: 1.5rem;
    display: block;
    font-size: 0.9rem;
}

/* Sections */
section { padding: var(--section-padding); }

/* Factory Background Sections */
#about {
    background: linear-gradient(rgba(255,255,255,0.75), rgba(255,255,255,0.75)),
                url('IMG-20240529-WA0117.jpg') no-repeat center center/cover;
    background-attachment: scroll;
}
#production {
    background: linear-gradient(rgba(240,245,250,0.78), rgba(240,245,250,0.78)),
                url('IMG-20240529-WA0136.jpg') no-repeat center center/cover;
    background-attachment: scroll;
}
#contact {
    background: linear-gradient(rgba(255,255,255,0.75), rgba(255,255,255,0.75)),
                url('Gemini_Generated_Image_7r3yhq7r3yhq7r3y.png') no-repeat center center/cover;
    background-attachment: scroll;
}

/* High-End Production Grid */
.production-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.prod-card {
    padding: 5rem;
    background: var(--industrial-gray-light);
    border: 1px solid rgba(0,0,0,0.03);
    transition: var(--transition-premium);
    position: relative;
    overflow: hidden;
}

.prod-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-premium);
}

.prod-card:hover { 
    background: white; 
    box-shadow: var(--shadow-premium); 
    transform: translateY(-10px);
}
.prod-card:hover::after { transform: scaleX(1); }

.prod-card i { font-size: 3rem; color: var(--accent-red); margin-bottom: 3rem; display: block; }

/* Product Categories - Premium Grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    background: #f1f5f9;
}

.cat-item {
    background: white;
    padding: 80px 40px;
    text-align: center;
    transition: var(--transition-premium);
}

.cat-item:hover { transform: scale(1.05); z-index: 2; box-shadow: var(--shadow-premium); }
.cat-item i { font-size: 3.5rem; margin-bottom: 2.5rem; color: var(--primary-blue); transition: var(--transition-premium); }
.cat-item:hover i { transform: rotateY(180deg); color: var(--accent-red); }

/* Certificate Prep */
.prep-container {
    background: var(--primary-blue);
    color: white;
    padding: 100px;
    text-align: center;
    border-radius: var(--border-radius-sm);
}

/* Contact Overhaul */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 100px;
}

.contact-info-list div { margin-bottom: 3rem; }
.contact-info-list h4 { font-size: 0.8rem; letter-spacing: 0.2em; color: var(--accent-red); margin-bottom: 1rem; }
.contact-info-list p { font-size: 1.25rem; font-weight: 500; color: var(--primary-blue); }

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: var(--transition-premium);
}

.contact-form input:focus, .contact-form textarea:focus {
    background: white;
    border-color: var(--primary-blue);
    outline: none;
}

/* Footer - Architectural */
footer { background: #000; color: #fff; padding: 120px 0 60px; }
.footer-main { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 80px; margin-bottom: 80px; }
.footer-logo-box { max-width: 180px; margin-bottom: 2rem; filter: brightness(0) invert(1); }
.footer-links h4 { color: #444; margin-bottom: 2.5rem; font-size: 0.8rem; letter-spacing: 0.2em; }
.footer-links ul { list-style: none; }
.footer-links ul li { margin-bottom: 1.25rem; color: #888; font-size: 0.95rem; }
.footer-links ul li a:hover { color: #fff; }

.footer-bottom { border-top: 1px solid #222; padding-top: 40px; display: flex; justify-content: space-between; font-size: 0.75rem; color: #555; letter-spacing: 0.1em; }

/* Animation Utility */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s var(--transition-premium), transform 1s var(--transition-premium);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1200px) {
    h1 { font-size: 3.5rem; }
    .production-grid, .category-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
    .container { padding: 0 30px; }
    .hero { background: white; text-align: center; }
    .hero-content { margin: 0 auto; }
    nav { display: none; position: absolute; top: var(--header-height); left: 0; width: 100%; background: white; padding: 40px; border-bottom: 1px solid #eee; }
    nav.active { display: block; }
    nav ul { flex-direction: column; gap: 1.5rem; text-align: center; }
    
    .lang-switcher { display: none; }
    .mobile-lang-container { display: flex; justify-content: center; padding: 20px; border-top: 1px solid #eee; margin-top: 20px; }
    .mobile-lang-container .lang-switcher { display: flex; margin-left: 0; border: none; padding-left: 0; }
    
    .mobile-toggle { display: block; }
    .about-grid, .contact-grid, .footer-main { grid-template-columns: 1fr; gap: 60px; }
    .footer-bottom { flex-direction: column; gap: 20px; text-align: center; }
}