/* ==========================================================================
   CSS Variables for Theming
   ========================================================================== */
:root {
    /* Color Palette matching Zee Infotech Logo */
    --primary-color: #0F172A; /* Slate 900 */
    --accent-orange: #FF8200; /* Vibrant Orange from Logo */
    --accent-cyan: #00D2F1;   /* Bright Cyan from Logo */
    --accent-color: #FF8200;  /* Default accent */
    --accent-hover: #E07300;  /* Darker orange for hover */
    
    --text-main: #1E293B;     /* Slate 800 */
    --text-muted: #64748B;    /* Slate 500 */
    
    --bg-light: #F8FAFC;      /* Slate 50 */
    --bg-white: #FFFFFF;
    
    --border-color: #E2E8F0;  /* Slate 200 */
    
    /* Brand Gradient */
    --brand-gradient: linear-gradient(135deg, #FF8200 0%, #00D2F1 100%);
    --dark-gradient: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    
    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Utility */
    --transition-speed: 0.3s;
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: var(--accent-color);
    transition: color var(--transition-speed) ease;
}

a:hover {
    color: var(--accent-hover);
}

ul {
    list-style: none;
}

/* ==========================================================================
   Layout & Typography Utilities
   ========================================================================== */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

h1, h2, h3, h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 700;
}

h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

/* Subtle accent line under section headings */
h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--brand-gradient);
    border-radius: 2px;
    margin: 15px auto 0;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.sticky-header {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 15px 0;
    transition: all var(--transition-speed) ease;
}

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

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

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

.main-nav a {
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    padding-bottom: 4px;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-cyan);
    transition: width var(--transition-speed) ease;
}

.main-nav a:hover {
    color: var(--accent-orange);
}

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

/* ==========================================================================
   Home Section (Hero Area)
   ========================================================================== */
.hero-section {
    background: var(--dark-gradient);
    color: var(--bg-white);
    text-align: center;
    padding: 140px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 210, 241, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content h1 {
    color: var(--bg-white);
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 24px;
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    color: #cbd5e1;
    font-weight: 300;
    position: relative;
    z-index: 2;
}

.cta-button {
    display: inline-block;
    background: var(--brand-gradient);
    color: var(--bg-white);
    padding: 15px 36px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.05rem;
    box-shadow: 0 4px 15px rgba(255, 130, 0, 0.3);
    transition: all var(--transition-speed) ease;
    position: relative;
    z-index: 2;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 210, 241, 0.4);
    color: var(--bg-white);
}

/* ==========================================================================
   About Us Section
   ========================================================================== */
.about-section {
    background-color: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-muted);
}

.about-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.about-images img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services-section {
    background-color: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--bg-white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    border-top: 4px solid var(--accent-cyan);
    transition: all var(--transition-speed) ease;
}

.service-card:nth-child(even) {
    border-top: 4px solid var(--accent-orange);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

.service-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ==========================================================================
   Contact Us Section
   ========================================================================== */
.contact-section {
    background-color: var(--bg-white);
}

.contact-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 50px;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.info-block {
    margin-bottom: 30px;
}

.info-block h4 {
    margin-bottom: 5px;
    font-size: 1.05rem;
    color: var(--primary-color);
}

.info-block p, .info-block a {
    font-size: 1rem;
    color: var(--text-muted);
}

.info-block a {
    color: var(--accent-color);
}

.info-block a:hover {
    text-decoration: underline;
    color: var(--accent-cyan);
}

.contact-map {
    height: 100%;
    min-height: 380px;
}

/* Styling for the iframe Google Map */
.contact-map iframe {
    width: 100%;
    height: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    border: none;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
    background-color: var(--primary-color);
    color: var(--bg-white);
    text-align: center;
    padding: 24px 0;
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .about-content, .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-images {
        grid-template-columns: 1fr;
    }
    
    .contact-map {
        min-height: 300px;
    }
}