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

:root {
    --primary-color: #0f172a;
    /* Slate 900 */
    --secondary-color: #334155;
    /* Slate 700 */
    --accent-color: #ea580c;
    /* Orange 600 - Industrial Alert/Safety */
    --background-light: #f8fafc;
    /* Slate 50 */
    --text-dark: #1e293b;
    --text-light: #64748b;
    --white: #ffffff;
    --border-color: #e2e8f0;
}

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

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

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: #c2410c;
    border-color: #c2410c;
}

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

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

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* Header */
header {
    background-color: var(--white);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.05em;
    text-transform: uppercase;
}

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

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

.nav-links a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--white);
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.25rem;
    color: #94a3b8;
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Authority Bar */
.authority-bar {
    background-color: var(--white);
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
}

.authority-content {
    display: flex;
    justify-content: space-around;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    text-align: center;
}

.authority-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.authority-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.authority-text {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Services */
.services {
    padding: 100px 0;
    background-color: var(--background-light);
}

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

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border-color: var(--accent-color);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.service-card p {
    color: var(--text-light);
}

/* Catalog Preview */
.catalog {
    padding: 100px 0;
    background-color: var(--white);
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.product-card {
    background: var(--background-light);
    border-radius: 8px;
    overflow: hidden;
    text-align: center;
    padding: 2rem;
    border: 1px solid var(--border-color);
}

.product-card h4 {
    margin-top: 1rem;
    color: var(--primary-color);
}

.catalog-cta {
    text-align: center;
}

/* About */
.about {
    padding: 100px 0;
    background-color: var(--primary-color);
    color: var(--white);
}

.about-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.about h2 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.about p {
    color: #94a3b8;
    max-width: 800px;
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

/* Contact / Footer */
.footer {
    background-color: #020617;
    color: #cbd5e1;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s;
}

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

.contact-info p {
    margin-bottom: 0.75rem;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #1e293b;
    font-size: 0.875rem;
    color: #64748b;
}

.cta-final {
    text-align: center;
    margin-top: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        /* Simplification for MVP */
    }

    .mobile-login-btn {
        display: inline-block !important;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }
}

/* Floating WhatsApp Button */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 2000;
    transition: transform 0.3s ease;
    text-decoration: none;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    background-color: #20ba5a;
}