/* Global Styles & Variables (Dark Theme Update) */
:root {
    --primary-bg: #121212;
    --secondary-bg: #1e1e1e;
    --card-bg: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-color: #ff6d00;
    --accent-hover: #ff9100;
    --border-color: #3d3d3d;
    --font-main: 'Inter', sans-serif;
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 15px rgba(255, 109, 0, 0.3);
    --radius: 12px;
    --max-width: 1200px;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--primary-bg);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -1px;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

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

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

.text-accent {
    color: var(--accent-color);
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 50px;
    /* Fully rounded buttons */
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color), #ff3d00);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(255, 109, 0, 0.5);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--text-primary);
    color: var(--primary-bg);
}

.btn-outline {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.btn-outline:hover {
    background-color: var(--accent-color);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.section-padding {
    padding: 100px 0;
}

/* Header & Navigation */
header {
    background-color: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo img {
    height: 60px;
    /* Slightly larger for new logo */
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    font-size: 0.95rem;
}

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

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent-color);
    box-shadow: var(--shadow-glow);
}

/* Button inside Nav */
.nav-links .btn {
    padding: 10px 20px;
    font-size: 0.85rem;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(18, 18, 18, 0.7), rgba(18, 18, 18, 0.9)), url('img/hero.png');
    background-size: cover;
    background-position: center;
    /* Parallax effect attempt via fixed attach, or standard scroll */
    background-attachment: fixed;
    height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero::after {
    /* Orange glow at the bottom */
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: linear-gradient(to top, var(--primary-bg), transparent);
}

.hero h1 {
    font-size: 4rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    margin-bottom: 25px;
}

.hero p {
    font-size: 1.4rem;
    color: #e0e0e0;
    max-width: 800px;
    margin: 0 auto 50px;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.5);
}

/* Cards (Services, etc.) */
.service-card {
    background: var(--secondary-bg);
    padding: 40px 30px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-glow);
    background: var(--card-bg);
}

.service-card::before {
    /* Accent line top */
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 25px;
    /* Glow text */
    text-shadow: 0 0 10px rgba(255, 109, 0, 0.4);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

/* Page Headers (About, Services, Contact) */
.page-header {
    background-color: var(--secondary-bg);
    padding: 120px 0 80px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

/* Feature Boxes (Why Us) */
.feature-box {
    background: var(--secondary-bg);
    padding: 30px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    transition: 0.3s;
}

.feature-box:hover {
    border-color: var(--accent-color);
}

.feature-box i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

/* Forms */
.lead-form-section,
.contact-info-box {
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
}

.lead-form {
    background: var(--card-bg);
    padding: 50px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.form-group label {
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 15px;
    background-color: var(--primary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: inherit;
    transition: 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(255, 109, 0, 0.1);
}

/* Footer */
footer {
    background-color: #0d0d0d;
    border-top: 1px solid var(--border-color);
    padding: 80px 0 30px;
}

.footer-col h4 {
    color: var(--text-primary);
    margin-bottom: 25px;
    font-size: 1.2rem;
    border-left: 3px solid var(--accent-color);
    padding-left: 15px;
}

.footer-links a {
    color: var(--text-secondary);
    display: block;
    margin-bottom: 12px;
}

.footer-links a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    color: #666;
    margin-top: 50px;
}

/* Service Item (List) */
.service-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
}

.service-item:hover {
    background: var(--secondary-bg);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-glow);
    transform: translateY(-5px);
}

.service-item p {
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 90px;
        left: 0;
        width: 100%;
        background-color: var(--secondary-bg);
        flex-direction: column;
        padding: 40px 20px;
        box-shadow: var(--shadow-md);
        text-align: center;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links a.active::after {
        bottom: -2px;
        width: 50px;
        left: 50%;
        transform: translateX(-50%);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero {
        height: auto;
        padding: 150px 0 100px;
    }
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    background-color: #20bd5a;
    transform: scale(1.1);
    box-shadow: 0 6px 14px rgba(37, 211, 102, 0.4);
}

.whatsapp-float i {
    margin-top: 2px;
    /* Visual adjustment */
}