:root {
    --primary-dark: #070d14;
    --primary-navy: #0f1e2e;
    --primary-light: #162a42;
    --accent-gold: #c5a059;
    --accent-gold-hover: #b08b47;
    --accent-gold-light: #f7f4eb;
    --text-dark: #1e293b;
    --text-muted: #475569;
    --bg-light: #f8fafc;
    --white: #ffffff;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.02);
    z-index: 10000;
    padding: 24px 8%;
}

.nav-table { display: table; width: 100%; }
.nav-row { display: table-row; }
.logo-cell {
    display: table-cell;
    vertical-align: middle;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-navy);
    text-transform: uppercase;
    letter-spacing: 2px;
}
.logo-cell span { color: var(--accent-gold); font-weight: 300; }
.menu-cell { display: table-cell; text-align: right; vertical-align: middle; }
.menu-cell a {
    color: var(--primary-navy);
    text-decoration: none;
    margin-left: 35px;
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.2s ease;
}
.menu-cell a:hover { color: var(--accent-gold); }
.menu-cell .btn-nav {
    background-color: var(--primary-navy);
    color: var(--white);
    padding: 12px 28px;
    border-radius: 3px;
    transition: all 0.2s ease;
}
.menu-cell .btn-nav:hover {
    background-color: var(--accent-gold);
    color: var(--primary-dark);
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #050a10 0%, #112233 100%);
    color: var(--white);
    padding: 240px 8% 180px 8%;
    text-align: center;
    position: relative;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 50% 35%, rgba(197, 160, 89, 0.07) 0%, transparent 65%);
    pointer-events: none;
}
.hero-inner { max-width: 950px; margin: 0 auto; }
.hero h1 {
    font-size: 54px;
    line-height: 1.25;
    font-weight: 700;
    margin-bottom: 30px;
    letter-spacing: -1.5px;
}
.hero p {
    font-size: 20px;
    color: #cbd5e1;
    margin-bottom: 45px;
    font-weight: 300;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}
.btn-cta {
    background-color: var(--accent-gold);
    color: var(--primary-dark);
    padding: 18px 44px;
    text-decoration: none;
    font-weight: 700;
    border-radius: 3px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    box-shadow: 0 4px 25px rgba(197, 160, 89, 0.25);
    transition: all 0.3s ease;
    display: inline-block;
}
.btn-cta:hover {
    transform: translateY(-3px);
    background-color: var(--accent-gold-hover);
    box-shadow: 0 8px 30px rgba(197, 160, 89, 0.35);
}

/* Sections */
.section { padding: 120px 8%; }
.section-title {
    text-align: center;
    font-size: 36px;
    color: var(--primary-navy);
    margin-bottom: 20px;
    font-weight: 700;
}
.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto 80px auto;
    font-weight: 400;
}
.section-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background-color: var(--accent-gold);
    margin: 20px auto 0 auto;
}

/* Grid & Cards */
.grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.service-card {
    background: var(--white);
    padding: 45px 35px;
    border-radius: 4px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    top: 0;
}
.service-card:hover {
    top: -6px;
    box-shadow: 0 20px 45px rgba(15, 30, 46, 0.06);
    border-color: var(--accent-gold);
}
.service-icon {
    margin-bottom: 25px;
    color: var(--accent-gold);
    background: var(--accent-gold-light);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
}
.service-card h3 {
    color: var(--primary-navy);
    font-size: 21px;
    margin-bottom: 15px;
    font-weight: 700;
}
.service-card p {
    color: var(--text-muted);
    font-size: 15px;
    text-align: justify;
}

/* About Section */
.bg-alt { background-color: var(--bg-light); }
.about-table { display: table; width: 100%; max-width: 1100px; margin: 0 auto; }
.about-row { display: table-row; }
.about-cell { display: table-cell; vertical-align: middle; width: 50%; }
.about-cell.text-side { padding-right: 80px; }
.about-cell.text-side p {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 25px;
    text-align: justify;
}
.about-badge {
    font-size: 18px;
    color: var(--accent-gold);
    font-weight: 700;
    display: block;
    margin-bottom: 25px;
    border-left: 3px solid var(--accent-gold);
    padding-left: 15px;
}
.visual-box {
    background: var(--primary-navy);
    min-height: 340px;
    border-radius: 4px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.04);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.visual-box .brand {
    color: var(--accent-gold);
    font-size: 46px;
    font-weight: 700;
    letter-spacing: 6px;
    text-align: center;
}
.visual-box .subtext {
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 5px;
    margin-top: 15px;
}

/* Footer */
.footer {
    background-color: var(--primary-dark);
    color: #94a3b8;
    padding: 90px 8% 45px 8%;
    font-size: 14px;
    border-top: 1px solid #162a42;
}
.footer-table { display: table; width: 100%; margin-bottom: 60px; }
.footer-cell { display: table-cell; vertical-align: top; width: 50%; }
.footer-cell.right { text-align: right; }
.footer h4 {
    color: var(--white);
    font-size: 14px;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 2px;
}
.footer p { margin-bottom: 12px; }
.footer-bottom {
    border-top: 1px solid #162a42;
    padding-top: 35px;
    text-align: center;
    color: #475569;
    font-size: 13px;
}

/* WhatsApp Float Button */
.whatsapp-btn {
    position: fixed;
    bottom: 40px;
    right: 40px;
    background-color: #0e7064;
    color: var(--white);
    padding: 16px 30px;
    border-radius: 3px;
    text-decoration: none;
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    box-shadow: 0 10px 30px rgba(14, 112, 100, 0.3);
    z-index: 99999;
    transition: all 0.2s ease;
}
.whatsapp-btn:hover {
    transform: translateY(-2px);
    background-color: #0a5249;
    box-shadow: 0 12px 35px rgba(14, 112, 100, 0.4);
}

/* Responsive */
@media (max-width: 1100px) { .grid-container { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 900px) {
    .about-cell { display: block; width: 100%; }
    .about-cell.text-side { padding-right: 0; margin-bottom: 60px; }
}
@media (max-width: 768px) {
    .header { position: relative; padding: 20px 5%; }
    .nav-table, .nav-row, .logo-cell, .menu-cell { display: block; width: 100%; text-align: center; }
    .menu-cell { margin-top: 25px; }
    .menu-cell a { display: inline-block; margin: 10px 15px; }
    .hero { padding: 140px 5% 100px 5%; }
    .hero h1 { font-size: 34px; }
    .grid-container { grid-template-columns: 1fr; }
    .section { padding: 80px 5%; }
    .footer-table, .footer-cell { display: block; width: 100%; text-align: center; margin-bottom: 40px; }
    .footer-cell.right { text-align: center; }
    .whatsapp-btn { bottom: 0; right: 0; left: 0; border-radius: 0; text-align: center; padding: 20px; }
}