:root {
    --navy: #0D3B6F;
    --gold: #C9A34E;
    --dark: #05162a;
    --light: #f4f7f9;
    --white: #ffffff;
    --transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--dark);
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, .brand-name { font-family: 'Montserrat', sans-serif; font-weight: 800; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 25px; }
.text-gold { color: var(--gold); }
.text-navy { color: var(--navy); }
.bg-light { background: var(--light); }
.w-100 { width: 100%; }

/* Navigation */
header {
    position: fixed;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition);
}

header.scrolled {
    background: rgba(13, 59, 111, 0.98);
    padding: 10px 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

nav { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 55px; filter: drop-shadow(0 0 5px rgba(0,0,0,0.2)); }
.logo-text { display: flex; flex-direction: column; }
.brand-name { color: var(--gold); font-size: 1.6rem; line-height: 1; letter-spacing: 1px; }
.brand-sub { color: var(--white); font-size: 0.65rem; letter-spacing: 3px; }

.nav-links { display: flex; list-style: none; gap: 30px; }
.nav-links a { text-decoration: none; color: var(--white); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; }
.nav-links a:hover { color: var(--gold); }

/* Hero */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(5, 22, 42, 0.7), rgba(5, 22, 42, 0.7)), url('product3.jpg') center/cover;
    display: flex;
    align-items: center;
    color: var(--white);
    text-align: left;
}

.hero h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); margin-bottom: 25px; line-height: 1.1; }
.hero p { font-size: 1.2rem; max-width: 700px; margin-bottom: 40px; opacity: 0.9; }

/* Buttons */
.btn { padding: 16px 35px; border-radius: 50px; text-decoration: none; display: inline-block; font-weight: 700; transition: var(--transition); text-transform: uppercase; font-size: 0.8rem; }
.btn-gold { background: var(--gold); color: var(--white); border: 2px solid var(--gold); }
.btn-gold:hover { background: transparent; transform: scale(1.05); }
.btn-outline { border: 2px solid var(--white); color: var(--white); margin-left: 15px; }
.btn-outline:hover { background: var(--white); color: var(--navy); }

/* Sections Styling */
section { padding: 120px 0; }
.section-title { font-size: 2.8rem; margin-bottom: 20px; line-height: 1.2; }
.section-subtitle { color: var(--gold); font-weight: 800; letter-spacing: 4px; display: block; margin-bottom: 10px; }
.center-title { text-align: center; max-width: 700px; margin: 0 auto 60px; }

/* About Grid */
.grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: center; }
.about-image img { width: 100%; border-radius: 20px; box-shadow: 30px 30px 0 var(--gold); }
.about-stats { display: flex; gap: 30px; margin-top: 40px; }
.stat-item { border-left: 3px solid var(--gold); padding-left: 15px; }
.stat-item strong { display: block; font-size: 1.8rem; color: var(--navy); }

/* Feature Cards */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.feature-card { background: var(--white); padding: 50px; border-radius: 20px; transition: var(--transition); }
.feature-card:hover { transform: translateY(-15px); box-shadow: 0 30px 60px rgba(0,0,0,0.1); }
.feature-card i { font-size: 3rem; color: var(--gold); margin-bottom: 25px; }

/* Product Cards */
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 30px; }
.product-card { background: var(--white); border-radius: 15px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.05); transition: var(--transition); }
.product-img-box { height: 350px; overflow: hidden; }
.product-img-box img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.product-card:hover img { transform: scale(1.1); }
.product-content { padding: 25px; }

/* Contact Form */
.contact-list { list-style: none; margin-top: 30px; }
.contact-list li { display: flex; gap: 20px; margin-bottom: 30px; }
.contact-list i { font-size: 1.5rem; color: var(--gold); }
.glass { background: rgba(13, 59, 111, 0.05); border: 1px solid rgba(13, 59, 111, 0.1); padding: 50px; border-radius: 30px; }
.form-group { display: flex; gap: 20px; }
input, textarea { width: 100%; padding: 15px; margin-bottom: 20px; border: 1px solid #ddd; border-radius: 8px; font-family: inherit; }

/* Accordion */
details { background: #fff; padding: 20px; border-radius: 10px; margin-bottom: 15px; cursor: pointer; border: 1px solid #eee; }
summary { font-weight: 700; font-size: 1.1rem; color: var(--navy); }

/* Footer */
footer { background: var(--dark); color: var(--white); padding: 100px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 50px; padding-bottom: 60px; }
.footer-logo { height: 80px; margin-bottom: 25px; }
.footer-links ul { list-style: none; }
.footer-links a { color: rgba(255,255,255,0.6); text-decoration: none; line-height: 2.5; }
.footer-links a:hover { color: var(--gold); }
.social-icons { display: flex; gap: 20px; margin-top: 25px; }
.social-icons a { font-size: 1.4rem; color: var(--gold); }
.footer-bar { border-top: 1px solid rgba(255,255,255,0.1); padding: 30px; text-align: center; font-size: 0.8rem; opacity: 0.6; }

/* Reveal Animation */
.reveal { opacity: 0; transform: translateY(50px); transition: 1.2s cubic-bezier(0.5, 0, 0, 1); }
.reveal.active { opacity: 1; transform: translateY(0); }

@media (max-width: 768px) {
    .grid { grid-template-columns: 1fr; }
    .nav-links { display: none; }
    .form-group { flex-direction: column; gap: 0; }
    .hero h1 { font-size: 3rem; }
}