:root {
    --primary-color: #0d2c54; /* Deep Industrial Blue */
    --secondary-color: #ffbf00; /* Gold/Amber Accent */
    --accent-green: #2d6a4f; /* Green for Neutral Grade */
    --text-dark: #1a1a1a;
    --text-light: #f4f4f4;
    --bg-light: #fafafa;
    --bg-dark: #0a111a;
    --white: #ffffff;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Nav */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

nav {
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo .brand {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 1px;
}

.logo .highlight {
    color: var(--secondary-color);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--secondary-color);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: url('https://images.unsplash.com/photo-1518152006812-edab29b069ac?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') center/cover no-repeat;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(13, 44, 84, 0.9) 0%, rgba(13, 44, 84, 0.4) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
}

.hero h1 {
    font-size: 4rem;
    font-family: 'Playfair Display', serif;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.gradient-text {
    color: var(--secondary-color);
}

.tagline {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 600px;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--primary-color);
    margin-right: 1rem;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 191, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

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

/* Sections */
.section {
    padding: 100px 0;
}

.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--bg-dark); color: var(--white); }

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    color: var(--primary-color);
}

.bg-dark .section-header h2 { color: var(--white); }

.underline {
    width: 60px;
    height: 4px;
    background: var(--secondary-color);
    margin: 1rem auto;
}

/* About Grid */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-item {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
}

.stat-num {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.about-image .image-placeholder {
    background: var(--primary-color);
    height: 400px;
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--secondary-color);
    font-size: 5rem;
}

/* Products */
.products-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-10px);
}

.product-card h3 {
    margin-bottom: 2rem;
    color: var(--primary-color);
    font-size: 1.5rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 1rem;
}

.product-card.featured {
    border-top: 5px solid var(--accent-green);
}

.product-specs .spec {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.spec span { color: #666; }

.primary-use {
    margin-top: 2rem;
    background: var(--bg-light);
    padding: 0.75rem;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
}

.packaging-section {
    margin-top: 5rem;
    text-align: center;
}

.packaging-grid {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.pack-item {
    font-weight: 600;
    color: var(--primary-color);
}

.pack-item i {
    display: block;
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

/* Applications */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.app-card {
    background: var(--white);
    padding: 2.5rem;
    text-align: center;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.app-card:hover {
    background: var(--primary-color);
    color: var(--white);
}

.app-card i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.app-card h4 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

/* Contact */
.contact-flex {
    display: flex;
    gap: 4rem;
}

.contact-info { flex: 1; }
.contact-form { flex: 1; }

.contact-info h2 { font-size: 3rem; margin-bottom: 1.5rem; font-family: 'Playfair Display', serif; }

.contact-details {
    list-style: none;
    margin: 2rem 0;
}

.contact-details li {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
}

.contact-details i { color: var(--secondary-color); font-size: 1.5rem; }

.export-badges { display: flex; gap: 2rem; margin-top: 3rem; }
.export-badges span { display: flex; align-items: center; gap: 0.5rem; font-weight: 600; }
.export-badges i { color: var(--secondary-color); }

.contact-form form {
    background: rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: 12px;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1.5rem;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    border-radius: 4px;
}

.contact-form input:focus, .contact-form textarea:focus {
    border-color: var(--secondary-color);
    outline: none;
}

.btn-whatsapp {
    background: #25d366;
    color: white;
}

.btn-whatsapp:hover {
    background: #128c7e;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
}

.btn-email {
    background: var(--primary-color);
    border: 2px solid var(--secondary-color);
    color: var(--white);
}

.btn-email:hover {
    background: var(--secondary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.contact-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
}

.whatsapp-float:hover {
    background-color: #128c7e;
    transform: scale(1.1);
}

/* Footer */
footer {
    padding: 3rem 0;
    background: #05090e;
    color: #666;
    text-align: center;
    font-size: 0.9rem;
}

/* Reveal Animations */
.section, .product-card, .app-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.section.reveal, .product-card.reveal, .app-card.reveal {
    opacity: 1;
    transform: translateY(0);
}

/* Menu Toggle Styles */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.menu-toggle span {
    width: 30px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

@media (max-width: 992px) {
    .menu-toggle { display: flex; }
    .nav-links {
        position: absolute;
        top: 80px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        align-items: center;
        padding-top: 4rem;
        transition: var(--transition);
        display: flex;
    }
    .nav-links.active { right: 0; }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .section { padding: 60px 0; }
    .stats-grid { grid-template-columns: 1fr; }
}