/* ===== VARIABLES ===== */
:root {
    --primary-color: #003366;
    --secondary-color: #FF6B00;
    --accent-color: #2ECC71;
    --dark-color: #1a1a2e;
    --light-color: #f4f4f4;
    --text-color: #333;
    --white: #ffffff;
    --gray: #666;
    --light-gray: #e0e0e0;
    --transition: all 0.3s ease;
    --shadow: 0 5px 20px rgba(0,0,0,0.1);
    --shadow-dark: 0 10px 30px rgba(0,0,0,0.2);
}

/* ===== RESET & BASE ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Open Sans', sans-serif; color: var(--text-color); line-height: 1.6; overflow-x: hidden; }
h1, h2, h3, h4, h5, h6 { font-family: 'Montserrat', sans-serif; font-weight: 700; line-height: 1.2; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== NAVIGATION ===== */
.navbar { position: fixed; top: 0; left: 0; width: 100%; background: transparent; z-index: 1000; transition: var(--transition); padding: 20px 0; }
.navbar.scrolled { background: var(--white); box-shadow: var(--shadow); padding: 15px 0; }
.nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
.logo h2 { color: var(--white); font-size: 1.8rem; font-weight: 800; }
.logo h2 span { color: var(--secondary-color); }
.logo .tagline { color: var(--white); font-size: 0.85rem; letter-spacing: 2px; }
.navbar.scrolled .logo h2, .navbar.scrolled .logo .tagline { color: var(--primary-color); }
.nav-menu { display: flex; list-style: none; align-items: center; gap: 30px; }
.nav-link { color: var(--white); font-weight: 600; font-size: 0.95rem; position: relative; padding: 5px 0; }
.navbar.scrolled .nav-link { color: var(--primary-color); }
.nav-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--secondary-color); transition: var(--transition); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.hamburger { display: none; flex-direction: column; cursor: pointer; gap: 5px; }
.bar { width: 25px; height: 3px; background: var(--white); transition: var(--transition); border-radius: 3px; }
.navbar.scrolled .bar { background: var(--primary-color); }

/* ===== HERO SECTION ===== */
.hero { position: relative; height: 100vh; overflow: hidden; }
.hero-slider { height: 100%; }
.slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-size: cover; background-position: center; opacity: 0; transition: opacity 1s ease-in-out; }
.slide.active { opacity: 1; }
.overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(135deg, rgba(0,51,102,0.9) 0%, rgba(0,51,102,0.7) 100%); }
.hero-content { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; color: var(--white); padding: 0 20px; }
.hero-content h1 { font-size: 3.5rem; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 2px; }
.hero-content p { font-size: 1.5rem; margin-bottom: 40px; max-width: 700px; }
.hero-buttons { display: flex; gap: 20px; }
.btn { display: inline-block; padding: 15px 40px; border-radius: 5px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; transition: var(--transition); cursor: pointer; border: none; font-size: 0.95rem; }
.btn-primary { background: var(--secondary-color); color: var(--white); }
.btn-primary:hover { background: #e65c00; transform: translateY(-3px); box-shadow: var(--shadow-dark); }
.btn-secondary { background: transparent; color: var(--white); border: 2px solid var(--white); }
.btn-secondary:hover { background: var(--white); color: var(--primary-color); }
.slider-controls { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); z-index: 10; display: flex; gap: 15px; }
.slider-btn { background: rgba(255,255,255,0.2); border: none; color: var(--white); width: 50px; height: 50px; border-radius: 50%; cursor: pointer; transition: var(--transition); font-size: 1.2rem; }
.slider-btn:hover { background: var(--secondary-color); }

/* ===== STATS SECTION ===== */
.stats-section { background: var(--primary-color); padding: 60px 0; margin-top: -100px; position: relative; z-index: 100; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.stat-card { text-align: center; color: var(--white); padding: 30px; background: rgba(255,255,255,0.1); border-radius: 10px; backdrop-filter: blur(10px); }
.stat-card i { font-size: 2.5rem; margin-bottom: 15px; color: var(--secondary-color); }
.stat-card h3 { font-size: 2.5rem; margin-bottom: 10px; }
.stat-card p { font-size: 0.95rem; opacity: 0.9; }

/* ===== SECTION HEADER ===== */
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { font-size: 2.5rem; color: var(--primary-color); margin-bottom: 15px; }
.divider { width: 80px; height: 4px; background: var(--secondary-color); margin: 0 auto 20px; border-radius: 2px; }
.section-header p { color: var(--gray); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* ===== ABOUT SECTION ===== */
.about-section { padding: 100px 0; background: var(--light-color); }
.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-text h3 { font-size: 2rem; color: var(--primary-color); margin-bottom: 20px; }
.about-text p { margin-bottom: 20px; color: var(--gray); }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin: 30px 0; }
.feature { display: flex; align-items: center; gap: 10px; }
.feature i { color: var(--accent-color); font-size: 1.2rem; }
.about-image { position: relative; }
.about-image img { border-radius: 10px; box-shadow: var(--shadow-dark); }
.experience-badge { position: absolute; bottom: -30px; left: -30px; background: var(--secondary-color); color: var(--white); padding: 30px; border-radius: 10px; text-align: center; box-shadow: var(--shadow-dark); }
.experience-badge h4 { font-size: 3rem; margin-bottom: 5px; }

/* ===== SERVICES SECTION ===== */
.services-section { padding: 100px 0; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.service-card { background: var(--white); padding: 40px 30px; border-radius: 10px; text-align: center; box-shadow: var(--shadow); transition: var(--transition); }
.service-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-dark); }
.service-icon { width: 80px; height: 80px; background: var(--primary-color); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 25px; }
.service-icon i { font-size: 2rem; color: var(--white); }
.service-card h3 { font-size: 1.5rem; color: var(--primary-color); margin-bottom: 15px; }
.service-card p { color: var(--gray); }

/* ===== PRODUCTS SECTION ===== */
.products-section { padding: 100px 0; background: var(--light-color); }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.product-card { background: var(--white); border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.product-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-dark); }
.product-image { height: 200px; overflow: hidden; }
.product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.product-card:hover .product-image img { transform: scale(1.1); }
.product-card h3 { padding: 20px 20px 10px; color: var(--primary-color); }
.product-spec { padding: 0 20px; color: var(--secondary-color); font-weight: 600; margin-bottom: 15px; }
.product-card > p { padding: 0 20px; color: var(--gray); margin-bottom: 20px; }
.product-features { padding: 0 20px 20px; list-style: none; }
.product-features li { padding: 8px 0; color: var(--text-color); display: flex; align-items: center; gap: 10px; }
.product-features i { color: var(--accent-color); }

/* ===== WHY CHOOSE US ===== */
.why-us-section { padding: 100px 0; background: var(--primary-color); }
.why-us-section .section-header h2 { color: var(--white); }
.why-us-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.why-card { text-align: center; padding: 40px 30px; background: rgba(255,255,255,0.1); border-radius: 10px; color: var(--white); transition: var(--transition); }
.why-card:hover { background: rgba(255,255,255,0.2); transform: translateY(-5px); }
.why-card i { font-size: 3rem; color: var(--secondary-color); margin-bottom: 20px; }
.why-card h3 { margin-bottom: 15px; }

/* ===== SUSTAINABILITY SECTION ===== */
.sustainability-section { padding: 100px 0; }
.sustainability-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.sustainability-text h2 { font-size: 2.5rem; color: var(--primary-color); margin-bottom: 20px; }
.sustainability-text > p { color: var(--gray); margin-bottom: 30px; }
.sustainability-points { display: flex; flex-direction: column; gap: 25px; }
.point { display: flex; gap: 20px; align-items: flex-start; }
.point i { font-size: 2rem; color: var(--accent-color); margin-top: 5px; }
.point h4 { color: var(--primary-color); margin-bottom: 8px; }
.point p { color: var(--gray); }
.sustainability-image img { border-radius: 10px; box-shadow: var(--shadow-dark); }

/* ===== CONTACT SECTION & MAP ===== */
.contact-section { padding: 100px 0; background: var(--light-color); }
.contact-grid { display: grid !important; grid-template-columns: 1fr 1fr !important; gap: 40px; align-items: stretch; }
.contact-info { display: flex; flex-direction: column; gap: 25px; }
.info-card { background: var(--white); padding: 25px; border-radius: 8px; display: flex; gap: 20px; align-items: flex-start; box-shadow: 0 5px 20px rgba(0,0,0,0.1); transition: var(--transition); }
.info-card:hover { transform: translateX(5px); box-shadow: 0 8px 25px rgba(0,0,0,0.15); }
.info-card i { font-size: 1.8rem; color: var(--secondary-color); margin-top: 5px; }
.info-card h4 { color: var(--primary-color); margin-bottom: 8px; font-size: 1.1rem; }
.info-card p, .info-card a { color: var(--gray); line-height: 1.6; text-decoration: none; }
.map-container { background: var(--white); border-radius: 8px; overflow: hidden; min-height: 500px !important; box-shadow: 0 5px 20px rgba(0,0,0,0.1); }
.map-container iframe { width: 100% !important; height: 100% !important; min-height: 500px; border: none; }

/* ===== FOOTER ===== */
.footer { background: var(--dark-color); color: var(--white); padding: 80px 0 30px; }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 50px; }
.footer-logo h2 { font-size: 2rem; margin-bottom: 5px; }
.footer-logo h2 span { color: var(--secondary-color); }
.footer-logo p { color: var(--gray); margin-bottom: 20px; }
.footer-col h3 { margin-bottom: 25px; color: var(--white); }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { color: var(--gray); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--secondary-color); padding-left: 5px; }
.contact-list li { display: flex; align-items: center; gap: 10px; color: var(--gray); }
.contact-list i { color: var(--secondary-color); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 30px; text-align: center; color: var(--gray); }

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float { position: fixed; bottom: 30px; right: 30px; width: 60px; height: 60px; background: #25D366; color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2rem; box-shadow: var(--shadow-dark); z-index: 999; transition: var(--transition); }
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4); }

/* ===== SCROLL TO TOP ===== */
.scroll-top { position: fixed; bottom: 30px; right: 100px; width: 50px; height: 50px; background: var(--secondary-color); color: var(--white); border: none; border-radius: 50%; cursor: pointer; display: none; align-items: center; justify-content: center; font-size: 1.2rem; box-shadow: var(--shadow); z-index: 998; transition: var(--transition); }
.scroll-top.show { display: flex; }
.scroll-top:hover { background: var(--primary-color); transform: translateY(-5px); }

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .stats-grid, .services-grid, .products-grid, .why-us-grid { grid-template-columns: repeat(2, 1fr); }
    .about-content, .sustainability-content, .contact-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr 1fr; }
    .hero-content h1 { font-size: 2.5rem; }
    .map-container { min-height: 350px !important; }
}
@media (max-width: 768px) {
    .hamburger { display: flex; }
    .nav-menu { position: fixed; top: 70px; left: -100%; width: 100%; background: var(--white); flex-direction: column; padding: 30px; transition: var(--transition); box-shadow: var(--shadow); }
    .nav-menu.active { left: 0; }
    .nav-link { color: var(--primary-color); }
    .stats-grid, .services-grid, .products-grid, .why-us-grid { grid-template-columns: 1fr; }
    .hero-content h1 { font-size: 2rem; }
    .hero-content p { font-size: 1.1rem; }
    .hero-buttons { flex-direction: column; }
    .about-features { grid-template-columns: 1fr; }
    .experience-badge { left: 20px; bottom: 20px; }
    .footer-content { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 20px; text-align: center; }
    .scroll-top { right: 30px; }
}

/* ===== ANIMATIONS ===== */
.fade-in { animation: fadeInUp 1s ease; }
.fade-in-delay { animation: fadeInUp 1s ease 0.3s backwards; }
.fade-in-delay-2 { animation: fadeInUp 1s ease 0.6s backwards; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
