/* 
   DSAV - Style Sheet
   Premium Glassmorphism & Cyber-Tech Theme
   Author: Antigravity AI
*/
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');
/* --- Theme Variables --- */
:root {
    /* Dark Theme (Default) */
    --bg-color: #080b11;
    --bg-card: rgba(13, 19, 33, 0.45);
    --bg-card-hover: rgba(20, 29, 51, 0.65);
    --bg-nav: rgba(8, 11, 17, 0.85);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --border-color: rgba(255, 255, 255, 0.07);
    --border-hover: rgba(99, 102, 241, 0.4);
    
    --primary: #6366f1; /* Neon Violet */
    --primary-rgb: 99, 102, 241;
    --secondary: #14b8a6; /* Cyber Teal */
    --secondary-rgb: 20, 184, 166;
    --accent: #d946ef; /* Magenta Accent */
    --accent-rgb: 217, 70, 239;
    
    --gradient-hero: linear-gradient(135deg, #6366f1 0%, #14b8a6 100%);
    --gradient-text: linear-gradient(135deg, #a5b4fc 0%, #6366f1 50%, #22d3ee 100%);
    --gradient-glow: radial-gradient(circle, rgba(99,102,241,0.15) 0%, rgba(20,184,166,0.05) 70%, transparent 100%);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.25);
    
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-md: 0.3s ease;
    --transition-fast: 0.15s ease;
}
body.light-theme {
    /* Light Theme Toggle */
    --bg-color: #f8fafc;
    --bg-card: rgba(255, 255, 255, 0.7);
    --bg-card-hover: rgba(255, 255, 255, 0.9);
    --bg-nav: rgba(248, 250, 252, 0.9);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border-color: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(99, 102, 241, 0.6);
    
    --primary: #4f46e5;
    --primary-rgb: 79, 70, 229;
    --secondary: #0d9488;
    --secondary-rgb: 13, 148, 136;
    
    --gradient-hero: linear-gradient(135deg, #4f46e5 0%, #0d9488 100%);
    --gradient-text: linear-gradient(135deg, #312e81 0%, #4f46e5 50%, #0891b2 100%);
    --gradient-glow: radial-gradient(circle, rgba(79,70,229,0.08) 0%, rgba(13,148,136,0.03) 70%, transparent 100%);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 15px rgba(79, 70, 229, 0.15);
}
/* --- Base & Resets --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--primary) var(--bg-color);
}
body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-md), color var(--transition-md);
}
h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}
a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}
button, input, textarea, select {
    font-family: inherit;
    outline: none;
}
/* --- Preloader --- */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #080b11;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}
.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}
.loader-bar {
    width: 180px;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}
.loader-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: var(--gradient-hero);
    border-radius: 10px;
    animation: loader-fill 1.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
@keyframes loader-fill {
    0% { width: 0%; }
    50% { width: 75%; }
    100% { width: 100%; }
}
/* --- Scroll Animations Setup --- */
.reveal {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}
.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}
.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}
/* --- Layout Utilities --- */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.section {
    padding: 5rem 0; /* Reduced spacing */
    position: relative;
}
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 3.5rem auto; /* Reduced space */
}
.section-tag {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--primary);
    margin-bottom: 0.75rem;
    display: inline-block;
}
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.6rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.925rem;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}
.btn-primary {
    background: var(--gradient-hero);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.2);
    border: none;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35), var(--shadow-glow);
}
.btn-secondary {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    transition: transform var(--transition-md), border-color var(--transition-md), box-shadow var(--transition-md), background var(--transition-md);
}
.glass-panel:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
    background: var(--bg-card-hover);
}
/* --- Header / Navigation --- */
header.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: padding var(--transition-md), background var(--transition-md), border-color var(--transition-md);
}
header.site-header.scrolled {
    padding: 0.75rem 0;
    background: var(--bg-nav);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo-wrapper {
    display: flex;
    align-items: center;
}
.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    display: block;
}
.logo-img-footer {
    height: 58px;
}
.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.75rem;
    align-items: center;
}
.nav-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    position: relative;
    padding: 0.25rem 0;
}
.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--gradient-hero);
    transition: width var(--transition-fast);
}
.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.theme-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    padding: 0.5rem;
    border-radius: 50%;
    transition: color var(--transition-fast), background var(--transition-fast);
}
.theme-toggle:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}
.theme-toggle .sun-icon {
    display: none;
}
body.light-theme .theme-toggle .sun-icon {
    display: block;
}
body.light-theme .theme-toggle .moon-icon {
    display: none;
}
/* Mobile Nav Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.35rem;
    cursor: pointer;
}
/* --- Hero Section --- */
.hero-section {
    min-height: 90vh; /* Slightly smaller */
    display: flex;
    align-items: center;
    padding-top: 6rem;
    position: relative;
    overflow: hidden;
}
.hero-glow-1 {
    position: absolute;
    top: 10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
    pointer-events: none;
    filter: blur(80px);
}
.hero-glow-2 {
    position: absolute;
    bottom: 10%;
    right: -10%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.1) 0%, transparent 70%);
    pointer-events: none;
    filter: blur(80px);
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: center;
}
.hero-content {
    display: flex;
    flex-direction: column;
}
.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.25rem;
}
.hero-title span {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}
.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 560px;
}
.hero-ctas {
    display: flex;
    gap: 1rem;
}
/* Hero Graphic / Interactive Visual */
.hero-graphic {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}
.cyber-circle {
    width: 380px;
    height: 380px;
    border-radius: 50%;
    border: 1px dashed rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    animation: rotate-clockwise 40s linear infinite;
}
body.light-theme .cyber-circle {
    border-color: rgba(0, 0, 0, 0.05);
}
.cyber-circle-inner {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    position: relative;
    animation: rotate-counter 25s linear infinite;
}
.glowing-node {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: var(--shadow-glow);
}
.node-1 { top: -5px; left: 50%; transform: translateX(-50%); }
.node-2 { bottom: -5px; left: 50%; transform: translateX(-50%); background: var(--secondary); box-shadow: 0 0 12px var(--secondary); }
.node-3 { left: -5px; top: 50%; transform: translateY(-50%); background: var(--accent); }
@keyframes rotate-clockwise {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
@keyframes rotate-counter {
    from { transform: rotate(0deg); }
    to { transform: rotate(-360deg); }
}
.hero-dashboard-preview {
    position: absolute;
    width: 320px;
    height: 210px;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transform: rotateY(-12deg) rotateX(8deg);
    transition: transform var(--transition-slow);
}
.hero-dashboard-preview:hover {
    transform: rotateY(0deg) rotateX(0deg) scale(1.05);
}
.preview-header {
    height: 32px;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 0.75rem;
    gap: 5px;
}
.preview-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}
.preview-dot.red { background-color: #ef4444; }
.preview-dot.yellow { background-color: #eab308; }
.preview-dot.green { background-color: #22c55e; }
.preview-body {
    padding: 1rem;
    background: rgba(10, 15, 26, 0.95);
    height: calc(100% - 32px);
    display: grid;
    grid-template-rows: 1fr 1fr;
    gap: 0.75rem;
}
body.light-theme .preview-body {
    background: rgba(255, 255, 255, 0.95);
}
.preview-chart-row {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 0.75rem;
}
.preview-bar-group {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}
.preview-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    overflow: hidden;
}
body.light-theme .preview-bar {
    background: rgba(0, 0, 0, 0.08);
}
.preview-bar-fill {
    height: 100%;
    background: var(--gradient-hero);
    border-radius: 4px;
}
.preview-circle-chart {
    border: 6px solid rgba(255, 255, 255, 0.05);
    border-top: 6px solid var(--primary);
    border-right: 6px solid var(--secondary);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    margin: auto;
}
body.light-theme .preview-circle-chart {
    border-color: rgba(0, 0, 0, 0.05);
}
.preview-lines {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.preview-line {
    height: 7px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
}
body.light-theme .preview-line {
    background: rgba(0, 0, 0, 0.1);
}
/* --- About Us & Skills --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.about-left {
    display: flex;
    flex-direction: column;
}
.about-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}
.about-right {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.skill-bar-wrapper {
    display: flex;
    flex-direction: column;
}
.skill-bar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.4rem;
}
.skill-bar-name {
    font-weight: 600;
    font-size: 0.95rem;
}
.skill-bar-percent {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--secondary);
}
.skill-bar-track {
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
}
body.light-theme .skill-bar-track {
    background: rgba(0, 0, 0, 0.05);
}
.skill-bar-fill {
    height: 100%;
    background: var(--gradient-hero);
    border-radius: 10px;
    width: 0%;
    transition: width var(--transition-slow);
}
/* --- Services (Filterable) --- */
.filter-menu {
    display: flex;
    justify-content: center;
    gap: 0.85rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}
.filter-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.55rem 1.35rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.875rem;
    transition: var(--transition-fast);
}
.filter-btn:hover, .filter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 1.75rem;
}
.service-card {
    padding: 2.5rem 2rem;
    position: relative;
    overflow: hidden;
}
.service-icon {
    width: 54px;
    height: 54px;
    border-radius: 10px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(99, 102, 241, 0.2);
}
body.light-theme .service-icon {
    background: rgba(79, 70, 229, 0.05);
}
.service-card-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.85rem;
}
.service-card-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.75rem;
}
.service-learn-more {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--secondary);
    cursor: pointer;
}
.service-learn-more:hover {
    color: var(--primary);
}
/* --- VTU Internship Timeline --- */
.internship-wrapper {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 4rem;
    align-items: center;
}
.internship-steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
}
.internship-steps::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 20px;
    width: 2px;
    height: calc(100% - 20px);
    background: var(--border-color);
}
.internship-step-item {
    display: flex;
    gap: 1.75rem;
    position: relative;
}
.step-indicator {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    z-index: 2;
    transition: var(--transition-md);
}
.internship-step-item:hover .step-indicator {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: var(--shadow-glow);
}
.step-body-card {
    padding: 1.5rem;
}
.step-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}
.step-desc {
    color: var(--text-secondary);
    font-size: 0.925rem;
}
.internship-highlight-card {
    padding: 2.5rem 1.75rem;
    text-align: center;
}
.highlight-badge {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
    border: 1px solid var(--border-color);
    padding: 0.45rem 1.15rem;
    border-radius: 50px;
    font-size: 0.825rem;
    font-weight: 700;
    color: var(--secondary);
    display: inline-block;
    margin-bottom: 1.75rem;
}
.highlight-title {
    font-size: 1.65rem;
    margin-bottom: 0.85rem;
}
.highlight-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}
.feature-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    justify-content: center;
    margin-top: 1.25rem;
}
.feature-tag {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 0.35rem 0.9rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}
/* --- Projects Showcase --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 1.75rem;
}
.project-card {
    overflow: hidden;
}
.project-media {
    height: 200px;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.project-placeholder-icon {
    font-size: 3.5rem;
    color: var(--primary);
    opacity: 0.8;
}
.project-body {
    padding: 1.75rem;
}
.project-category {
    font-size: 0.775rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--secondary);
    margin-bottom: 0.4rem;
    display: inline-block;
}
.project-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.65rem;
}
.project-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}
.project-tag {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 0.2rem 0.65rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}
/* --- Why Choose Us --- */
.choose-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.choose-item {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 2rem;
}
.choose-item-icon {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    background: rgba(20, 184, 166, 0.1);
    color: var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
    border: 1px solid rgba(20, 184, 166, 0.2);
}
.choose-item-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}
.choose-item-desc {
    color: var(--text-secondary);
    font-size: 0.925rem;
}
/* Why Choose Us - Responsive Stack Grid instead of absolute jumbled stack */
.choose-right-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    width: 100%;
}
.choose-right-card {
    padding: 1.5rem;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: transform var(--transition-md), border-color var(--transition-md), box-shadow var(--transition-md);
}
.choose-right-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}
.card-item-title {
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.card-item-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}
/* --- Contact Us --- */
.contact-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 3.5rem;
}
.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}
.contact-info-item {
    display: flex;
    gap: 1.15rem;
    align-items: flex-start;
}
.contact-info-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}
.info-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.info-value {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}
/* Contact Form */
.contact-form {
    padding: 2.5rem;
}
.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}
.form-group {
    margin-bottom: 1.25rem;
    position: relative;
}
.form-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--text-secondary);
}
.form-input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.8rem 1.15rem;
    border-radius: 8px;
    font-size: 0.925rem;
    transition: var(--transition-fast);
}
body.light-theme .form-input {
    background: rgba(255, 255, 255, 0.5);
}
.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.1);
}
textarea.form-input {
    resize: none;
    height: 110px;
}
.form-message {
    font-size: 0.825rem;
    margin-top: 0.5rem;
    display: none;
}
.form-message.success {
    color: #10b981;
    display: block;
}
.form-message.error {
    color: #ef4444;
    display: block;
}
/* --- Service Modal Drawer --- */
.portal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease;
}
.portal-overlay.show {
    opacity: 1;
    visibility: visible;
}
.portal-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 460px;
    height: 100%;
    z-index: 2000;
    background: rgba(10, 15, 26, 0.85);
    backdrop-filter: blur(25px) saturate(180%);
    -webkit-backdrop-filter: blur(25px) saturate(180%);
    border-left: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}
body.light-theme .portal-drawer {
    background: rgba(255, 255, 255, 0.85);
}
.portal-drawer.open {
    right: 0;
}
.portal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.75rem 2rem;
    border-bottom: 1px solid var(--border-color);
}
.portal-close-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.4rem;
    cursor: pointer;
}
.portal-body {
    padding: 2rem;
    flex-grow: 1;
    overflow-y: auto;
}
/* --- Floating Chatbot Widget --- */
.chatbot-widget {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 1000;
}
.chat-bubble {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gradient-hero);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    cursor: pointer;
    box-shadow: var(--shadow-glow);
    transition: transform var(--transition-fast);
}
.chat-bubble:hover {
    transform: scale(1.08);
}
.chatbot-window {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 340px;
    height: 450px;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}
.chatbot-window.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.chatbot-header {
    background: var(--gradient-hero);
    padding: 1rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
}
.chatbot-header h3 {
    font-size: 1.05rem;
}
.chatbot-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.15rem;
    cursor: pointer;
}
.chatbot-body {
    flex-grow: 1;
    background: #0d121f;
    padding: 1.15rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}
body.light-theme .chatbot-body {
    background: #f1f5f9;
}
.chat-msg {
    max-width: 85%;
    padding: 0.65rem 0.9rem;
    border-radius: 12px;
    font-size: 0.85rem;
}
.chat-msg.bot {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    align-self: flex-start;
    border-bottom-left-radius: 2px;
    border: 1px solid var(--border-color);
}
body.light-theme .chat-msg.bot {
    background: white;
}
.chat-msg.user {
    background: var(--primary);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}
.chatbot-options {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    margin-top: 0.45rem;
}
.chat-opt-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.55rem;
    border-radius: 8px;
    font-size: 0.775rem;
    cursor: pointer;
    text-align: left;
    transition: var(--transition-fast);
}
.chat-opt-btn:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary);
}
/* --- Footer Area --- */
footer.site-footer {
    background: #05070a;
    border-top: 1px solid var(--border-color);
    padding: 4.5rem 0 2.5rem 0; /* Reduced margins */
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr 0.9fr 1.1fr;
    gap: 3.5rem;
    margin-bottom: 3.5rem;
}
.footer-brand-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 1.25rem 0 1.75rem 0;
    max-width: 300px;
}
.social-links {
    display: flex;
    gap: 0.85rem;
}
.social-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1rem;
}
.social-link:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
}
.footer-heading {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}
.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}
.footer-link-item a {
    color: var(--text-secondary);
    font-size: 0.875rem;
}
.footer-link-item a:hover {
    color: var(--primary);
}
.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.footer-contact-item {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
}
.footer-contact-icon {
    color: var(--secondary);
    font-size: 1rem;
    margin-top: 0.15rem;
}
.footer-contact-text h5 {
    font-size: 0.85rem;
    font-weight: 700;
}
.footer-contact-text p {
    color: var(--text-secondary);
    font-size: 0.825rem;
    margin-top: 0.2rem;
}
.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 1.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.85rem;
}
.footer-bottom-text {
    font-size: 0.825rem;
    color: var(--text-secondary);
}
.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}
.footer-bottom-links a {
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.footer-bottom-links a:hover {
    color: var(--primary);
}
/* --- Responsiveness & Media Queries (Mobile layout improvements) --- */
@media (max-width: 1024px) {
    .hero-grid, .about-grid, .internship-wrapper, .choose-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.75rem;
    }
    
    .hero-graphic {
        order: -1;
        margin-bottom: 1rem;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }
    
    .section {
        padding: 4rem 0; /* Tight mobile spacing */
    }
}
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem; /* Better fit for mobile */
    }
    
    .hero-desc {
        font-size: 1.05rem;
        margin-bottom: 1.5rem;
    }
    
    .section-title {
        font-size: 2.15rem; /* Better fit for mobile headers */
    }
    
    .portal-drawer {
        width: 100%;
    }
    
    .form-group-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .section-header {
        margin-bottom: 2.25rem;
    }
    
    .contact-form {
        padding: 1.75rem;
    }
    
    .cyber-circle {
        width: 300px;
        height: 300px;
    }
    
    .cyber-circle-inner {
        width: 220px;
        height: 220px;
    }
    
    .hero-dashboard-preview {
        width: 260px;
        height: 170px;
    }
}
@media (max-width: 480px) {
    .hero-ctas {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}