:root {
    /* Color Palette */
    --primary-color: #0056b3;
    /* Deep Blue - Trust/Water */
    --secondary-color: #ffcc00;
    /* Energetic Yellow - Electricity */
    --dark-bg: #1a1a1a;
    --light-bg: #f4f7f6;
    --text-color: #333;
    --text-light: #fff;
    --accent-color: #e65100;
    /* Orange for emphasis */
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-800: #343a40;

    /* Spacing & Layout */
    --container-width: 1200px;
    --header-height: 80px;

    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

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

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

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

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

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

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

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

.section {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.grid {
    display: grid;
    gap: 30px;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: var(--transition-fast);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo span {
    color: var(--secondary-color);
}

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

.nav-link {
    font-weight: 600;
    color: var(--gray-800);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 86, 179, 0.3);
}

.btn-primary:hover {
    background: #004494;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 86, 179, 0.4);
}

.btn-secondary {
    background: var(--secondary-color);
    color: var(--dark-bg);
    box-shadow: 0 4px 15px rgba(255, 204, 0, 0.3);
}

.btn-secondary:hover {
    background: #e6b800;
    transform: translateY(-2px);
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section - Water/Drops Theme */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    color: white;
    padding-top: var(--header-height);
    overflow: hidden;
    /* Deep Blue Water Gradient */
    background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
    background: linear-gradient(135deg, #0061ff 0%, #001e3c 100%);
}

.hero::before {
    display: none;
}

/* Water Drops Effect using pseudo-elements on a container */
.water-drops {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.water-drops::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Abstract bubbles pattern */
    background-image:
        radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        radial-gradient(rgba(255, 255, 255, 0.1) 2px, transparent 2px);
    background-size: 20px 20px;
    opacity: 0.6;
    animation: bubbleRise 20s linear infinite;
}

@keyframes bubbleRise {
    0% {
        transform: translateY(0) scale(1);
    }

    50% {
        transform: translateY(-20px) scale(1.05);
    }

    100% {
        transform: translateY(0) scale(1);
    }
}

/* Ensure Floating Icons are visible */
.floating-elements {
    z-index: 2;
}

.float-icon {
    position: absolute;
    opacity: 0.2;
    /* Slightly more visible against blue */
    color: rgba(255, 255, 255, 0.3);
    animation: float 6s ease-in-out infinite;
}

/* Content layer */
.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease-out;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1.2s ease-out;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    animation: fadeInUp 1.4s ease-out;
}

/* Floating Icons Animation */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.float-icon {
    position: absolute;
    font-size: 2rem;
    opacity: 0.2;
    animation: float 6s ease-in-out infinite;
    color: rgba(255, 255, 255, 0.3);
}

/* Keyframes */
@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* USP Section */
.usp-card {
    background: white;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition-fast);
    border-bottom: 3px solid transparent;
}

.usp-card:hover {
    transform: translateY(-10px);
    /* 3D effect */
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-bottom-color: var(--secondary-color);
}

.usp-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    display: inline-block;
}

.usp-card:hover .usp-icon {
    animation: float 2s ease-in-out infinite;
}

/* Services Preview */
.service-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition-medium);
    position: relative;
}

.service-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.service-img {
    height: 200px;
    background: var(--gray-200);
    position: relative;
    overflow: hidden;
}

.service-content {
    padding: 25px;
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* Contact Strip */
.cta-strip {
    background: linear-gradient(90deg, var(--primary-color), #003366);
    color: white;
    text-align: center;
    padding: 60px 0;
}

.cta-box {
    animation: pulse 3s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.02);
    }

    100% {
        transform: scale(1);
    }
}

/* Footer */
footer {
    background: var(--dark-bg);
    color: var(--gray-200);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer h4 {
    color: white;
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 10px;
}

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

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* Scroll Animation Classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }

    .grid-4,
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar .container {
        position: relative;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        display: none;
    }

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

    .mobile-toggle {
        display: block;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .hero {
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }
}