:root {
    /* Brand Colors */
    --primary-cyan: #02bee4;
    --primary-blue: #0178a0;
    --primary-teal: #018aae;
    --bg-light: #fdfdfc;

    /* Neutral Colors */
    --text-dark: #1a2a33;
    --text-medium: #4a5a63;
    --text-light: #fdfdfc;
    --white: #ffffff;

    /* UI Helpers */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(1, 120, 160, 0.15), 0 4px 6px -2px rgba(1, 120, 160, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.3);

    /* Layout */
    --max-width: 1200px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

/* Utility Classes */
.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(2, 190, 228, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(2, 190, 228, 0.4);
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    height: var(--header-height);
    display: flex;
    align-items: center;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
    /* Adjust based on logo aspect ratio */
    width: auto;
}

nav ul {
    display: flex;
    gap: 2rem;
}

nav a {
    font-weight: 500;
    color: var(--primary-blue);
    font-size: 1rem;
    position: relative;
    padding-bottom: 5px;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-cyan);
    transition: width 0.3s ease;
}

nav a:hover::after,
nav a.active::after {
    width: 100%;
}

/* Mobile Nav Toggle */
.menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--primary-blue);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding-top: calc(var(--header-height) + 4rem);
    padding-bottom: 6rem;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at top right, rgba(2, 190, 228, 0.1), transparent 50%),
        radial-gradient(circle at bottom left, rgba(1, 120, 160, 0.1), transparent 50%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
}

.hero h1 span {
    color: var(--primary-cyan);
    display: block;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-medium);
    margin-bottom: 2rem;
}

/* Sections */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    color: var(--primary-blue);
}

.section-title p {
    color: var(--text-medium);
    max-width: 700px;
    margin: 0 auto;
}

/* Footer */
footer {
    background: #001f2e;
    /* Very dark version of brand blue */
    color: var(--white);
    padding: 4rem 0 2rem;
    font-size: 0.9rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: var(--primary-cyan);
    margin-bottom: 1.5rem;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col a:hover {
    color: var(--primary-cyan);
}

.copyright {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    color: rgba(255, 255, 255, 0.6);
}

.copyright a {
    margin: 0 0.5rem;
}

/* Animation Utilities */
.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}

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

/* Responsive */
/* Large Screens (TVs, 4K Monitors) */
@media (min-width: 1600px) {
    :root {
        --max-width: 1400px;
    }

    html {
        font-size: 18px;
        /* Slight scale up for better readability on big screens */
    }
}

/* Tablet & Mobile */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    nav ul {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        gap: 1.5rem;
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.05);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path 0.4s ease-in-out;
    }

    nav ul.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }

    h1 {
        font-size: 2.5rem;
    }
}

/* Service Cards */
.services-grid {
    display: grid;

    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.03);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-cyan), var(--primary-blue));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

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

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-cyan);
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

/* Pricing Tables */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    align-items: flex-start;
}

.pricing-card {
    background: var(--white);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
    border: 1px solid #eee;
    position: relative;
}

.pricing-card.featured {
    border: 2px solid var(--primary-cyan);
    transform: scale(1.05);
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.pricing-card h3 {
    font-size: 1.5rem;
    color: var(--text-medium);
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin: 1rem 0;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-medium);
}

.features-list {
    margin: 2rem 0;
    text-align: left;
}

.features-list li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
}

.features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-cyan);
    font-weight: bold;
}

/* Contact Form */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info-box {
    background: var(--primary-blue);
    color: var(--white);
    padding: 3rem;
    border-radius: 20px;
}

.contact-info-box h3 {
    color: var(--white);
}

.contact-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 1.5rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    outline: none;
    border-color: var(--primary-cyan);
}

/* Legal Page Styles */
.legal-content h3 {
    margin-top: 2rem;
    color: var(--primary-blue);
}

@media (max-width: 768px) {
    .pricing-card.featured {
        transform: scale(1);
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}