/* =========================================
   1. PRO VARIABLES & RESET
   ========================================= */
:root {
    --primary-color: #0f2c4c; /* Deep Navy - Authority */
    --primary-dark: #081d34;
    --secondary-color: #c5a059; /* Gold - Premium */
    --secondary-light: #dcc082;
    --text-dark: #2c3e50;
    --text-gray: #5a6b7c;
    --bg-light: #f4f7f6;
    --white: #ffffff;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 30px rgba(15, 44, 76, 0.15);
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.7;
    overflow-x: hidden;
    padding-top: 80px; /* Space for fixed header */
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 1rem;
}

a { text-decoration: none; transition: all 0.3s ease; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-padding { padding: 80px 0; }

/* =========================================
   2. PRO BUTTONS
   ========================================= */
.btn {
    display: inline-block;
    padding: 14px 35px;
    border-radius: 50px; /* Modern Pill Shape */
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    cursor: pointer;
    border: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(15, 44, 76, 0.3);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color), #b08d4a);
    color: var(--white);
}
.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(197, 160, 89, 0.4);
}

/* =========================================
   3. PRO HEADER (Sticky & Glass)
   ========================================= */
header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px); /* Glass effect */
    height: 90px;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.company-name {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--primary-color);
    text-transform: uppercase;
    line-height: 1.2;
    letter-spacing: 0.5px;
}

.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a.nav-item {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    position: relative;
}

.nav-links a.nav-item:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--secondary-color);
    transition: width 0.3s;
}
.nav-links a.nav-item:hover:after { width: 100%; }

/* Header Contact Button */
.nav-btn {
    padding: 10px 25px;
    background: var(--secondary-color);
    color: white !important;
    border-radius: 4px;
    font-weight: 700;
}
.nav-btn:hover { background: var(--primary-color); color: white; }

/* Hamburger Menu */
.hamburger { display: none; cursor: pointer; }
.bar { display: block; width: 28px; height: 3px; margin: 6px auto; background: var(--primary-color); transition: 0.3s; }

/* =========================================
   4. FLOATING ACTION BUTTON (Fixed)
   ========================================= */
.float-call-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 65px;
    height: 65px;
    background: #25d366; /* WhatsApp/Phone Green */
    color: #FFF;
    border-radius: 50%;
    text-align: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 9999; /* Highest priority */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    animation: pulse 2s infinite;
}

.float-call-btn:hover {
    transform: scale(1.1);
    background: #20b857;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* =========================================
   5. FOOTER
   ========================================= */
footer {
    background-color: var(--primary-color);
    color: #aab7c4;
    padding: 80px 0 30px;
    font-size: 0.95rem;
}
.footer-title { color: var(--white); font-size: 1.2rem; margin-bottom: 25px; }
.footer-links li { margin-bottom: 12px; }
.footer-links a:hover { color: var(--secondary-color); padding-left: 5px; }
.footer-contact li { display: flex; gap: 15px; margin-bottom: 20px; align-items: flex-start; }
.footer-contact i { color: var(--secondary-color); margin-top: 5px; }

/* =========================================
   6. MOBILE RESPONSIVE
   ========================================= */
@media (max-width: 992px) {
    .hamburger { display: block; }
    .nav-links {
        position: fixed;
        left: -100%;
        top: 90px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        height: calc(100vh - 90px);
        padding: 50px 20px;
        transition: 0.3s;
        box-shadow: inset 0 10px 10px -10px rgba(0,0,0,0.1);
    }
    .nav-links.active { left: 0; }
    .nav-btn { width: 100%; text-align: center; margin-top: 20px; }
}