:root {
    --brand-teal: #00d2b5;
    --brand-blue: #0d6efd;
    --brand-dark: #0a1931;
    --brand-gradient: linear-gradient(135deg, var(--brand-teal) 0%, var(--brand-blue) 100%);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    color: #333;
}

/* 1. Logo Size Increased by 30% (was 85px, now 110px) */
.navbar-brand img {
    height: 85px !important;
    width: auto;
    transition: transform 0.3s;
}
.navbar-brand:hover img {
    transform: scale(1.05);
}

.nav-link { font-size: 1.1rem; font-weight: 500; color: #555 !important; margin-right: 15px; }
.nav-link:hover, .nav-link.active { color: var(--brand-blue) !important; }

.btn-tech {
    background: var(--brand-gradient);
    border: none;
    color: white;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s;
}
.btn-tech:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(13, 110, 253, 0.3); color: white; }

.text-gradient {
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hover-lift { transition: transform 0.3s, box-shadow 0.3s; }
.hover-lift:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }

/* Footer Styles */
.footer { background-color: var(--brand-dark); color: white; padding: 60px 0 20px 0; }
.footer a { color: #ccc; text-decoration: none; transition: 0.3s; }
.footer a:hover { color: var(--brand-teal); }
.social-icon { font-size: 1.5rem; margin-right: 15px; }

/* Awards Section */
.award-logo {
/*    filter: grayscale(100%); */
    transition: all 0.4s ease; /* Smooth animation */
/*    opacity: 0.6; */
/*    transition: all 0.3s; */
    max-height: 50px;
    width: auto;
}
/*.award-logo:hover { filter: grayscale(0%); opacity: 1; } */
/* On Hover: Grow bigger (Animated) */
.award-logo:hover {
    transform: scale(1.2); /* Increased scale for better effect */
}

/* --- MOBILE MENU BUTTON SIZE --- */
.navbar-toggler {
    padding: 4px 8px !important; /* Reduces the box size around the lines */
    font-size: 0.9rem !important; /* Makes the 3 lines icon slightly smaller */
    border-width: 1px !important; /* Makes the border thinner */
}

/* Optional: Removes the thick highlight when you click it */
.navbar-toggler:focus {
    box-shadow: none !important;
    border-color: var(--brand-blue) !important;
}





/* --- VAAHU AI CHAT WIDGET --- */
.chat-widget-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--brand-gradient); /* Uses your Teal-Blue Gradient */
    border-radius: 50%;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 4px 20px rgba(0, 210, 181, 0.4);
    cursor: pointer;
    z-index: 9999;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.chat-widget-btn:hover {
    transform: scale(1.1);
}

/* Chat Window */
.chat-window {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 350px;
    height: 500px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    display: none; /* Hidden by default */
    flex-direction: column;
    overflow: hidden;
    z-index: 9999;
    transform-origin: bottom right;
    animation: chatPopup 0.3s ease-out forwards;
}

@keyframes chatPopup {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

/* Header */
.chat-header {
    background: var(--brand-dark);
    color: white;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Messages Area */
.chat-body {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background-color: #f8fafc;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Message Bubbles */
.message {
    max-width: 80%;
    padding: 10px 15px;
    border-radius: 15px;
    font-size: 0.9rem;
    line-height: 1.4;
}

.bot-message {
    background: white;
    color: #333;
    border-bottom-left-radius: 2px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    align-self: flex-start;
}

.user-message {
    background: var(--brand-blue);
    color: white;
    border-bottom-right-radius: 2px;
    align-self: flex-end;
}

/* Input Area */
.chat-footer {
    padding: 15px;
    background: white;
    border-top: 1px solid #eee;
    display: flex;
    gap: 10px;
}

.chat-input {
    flex: 1;
    border: 1px solid #ddd;
    border-radius: 25px;
    padding: 10px 20px;
    outline: none;
    font-size: 0.9rem;
}

.chat-input:focus {
    border-color: var(--brand-teal);
}

.send-btn {
    background: var(--brand-dark);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: 0.2s;
}

.send-btn:hover { background: var(--brand-teal); }