/* =========== GLOBAL COLOR STYLESHEET =========== */
:root {
    /* Primary Colors */
    --color-primary: #0a58ca;
    --color-primary-hover: #084298;
    --color-primary-dark: #0891b2;
    --color-primary-bg: rgba(6, 182, 212, 0.1);
    --color-primary-border: rgba(6, 182, 212, 0.3);
    --color-primary-shadow-light: rgba(6, 182, 212, 0.3);
    --color-primary-shadow-medium: rgba(6, 182, 212, 0.5);
    --color-primary-shadow-dark: rgba(6, 182, 212, 0.15);
    
    /* Accent Colors */
    --color-accent: #8b5cf6;
    --color-accent-light: #a78bfa;
    --color-accent-dark: #7c3aed;
    --color-accent-bg: rgba(139, 92, 246, 0.1);
    
    /* Neutrals */
    --color-bg-primary: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-tertiary: #334155;
    
    /* Glassmorphism */
    --color-bg-glass: rgba(15, 23, 42, 0.7);
    --color-bg-glass-hover: rgba(15, 23, 42, 0.9);
    --color-bg-glass-border: rgba(6, 182, 212, 0.1);
    --color-bg-glass-border-hover: rgba(6, 182, 212, 0.2);
    
    /* Text */
    --color-text-primary: #f1f5f9;
    --color-text-secondary: #cbd5e1;
    --color-text-tertiary: #94a3b8;
    --color-text-dim: #94a3b8; /* For text-gray-400 */
    --color-text-dimmer: #64748b; /* For text-gray-500 */
    
    /* Borders */
    --color-border: #1e293b;
    --color-border-light: #334155;
    
    /* Other */
    --color-success-bg: rgba(16, 185, 129, 0.1);
    --color-success-border: rgba(16, 185, 129, 0.3);
    --color-map-bg: #2a3a50;

    /* Shadows (Global) */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px var(--color-primary-shadow-light);
    
    /* Spacing */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* Naye Warning Colors */
    --color-warning: #f59e0b; /* amber-500 */
    --color-warning-bg: rgba(245, 158, 11, 0.1);
    --color-warning-border: rgba(245, 158, 11, 0.2);

}

/* ========== GLOBAL STYLES ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

/* ========== CUSTOM SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: 10px;
    transition: background 0.3s ease;
}
::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--color-primary-hover) 0%, var(--color-accent-light) 100%);
}

/* ========== GRADIENT TEXT ========== */
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========== GLASS MORPHISM ========== */
.glass {
    /* Mobile-first: Solid background */
    background: var(--color-bg-primary); 
}

@media (min-width: 768px) { /* md breakpoint */
    .glass {
        /* Desktop: Glassmorphism */
        background: var(--color-bg-glass);
        backdrop-filter: blur(10px);
        border: 1px solid var(--color-bg-glass-border);
    }
}

.glass-hover {
    transition: all 0.3s ease;
}

.glass-hover:hover {
    background: var(--color-bg-glass-hover);
    border-color: var(--color-bg-glass-border-hover);
    box-shadow: var(--shadow-lg), 0 0 20px var(--color-primary-shadow-dark);
}

/* ========== SMOOTH ANIMATIONS ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}
@keyframes pulse-soft {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}
.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}
.animate-float {
    animation: float 6s ease-in-out infinite;
}
.animate-pulse-soft {
    animation: pulse-soft 2s ease-in-out infinite;
}

/* ========== FADE IN ON SCROLL ========== */
.fade-in-section {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== GRADIENT BUTTONS ========== */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    padding: 12px 32px;
    font-weight: 600;
    cursor: pointer;
    display: inline-block;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1; /* Ensure text is above ::before */
}
.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    transition: left 0.3s ease;
    z-index: -1;
}
.btn-primary:hover::before { left: 0; }
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}
.btn-secondary {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 12px 32px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}
.btn-secondary:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

/* ========== CARDS ========== */
.card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
}
.card:hover {
    border-color: var(--color-primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--color-primary-shadow-dark);
}

/* ========== ADVANCED NAVIGATION STYLES ========== */
/* Desktop Dropdowns */
.dropdown-pane {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}
.nav-item.group:hover > .dropdown-pane {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
/* Desktop Mega Menu */
.mega-menu-pane {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    box-shadow: var(--shadow-lg);
}
.nav-item.group:hover > .mega-menu-pane {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
/* Active Nav Link */
nav .nav-item > a.active {
    color: var(--color-primary);
    font-weight: 600;
}

/* Mobile Dropdowns (Handled by JS, but 'hidden' is default) */
.mobile-submenu {
    background: var(--color-bg-primary); /* Slightly darker */
}

/* ========== HERO SECTION ========== */
.hero-gradient {
    background: radial-gradient(ellipse at 50% 0%, var(--color-primary-shadow-dark) 0%, transparent 70%);
}

/* ========== TIMELINE ========== */
.timeline-item {
    position: relative;
    padding-left: 40px;
    padding-bottom: 40px;
    border-left: 2px solid var(--color-border-light);
}
.timeline-item:last-child {
    border-left: 2px solid transparent; /* Fix for last item's border */
    padding-bottom: 0; /* No padding bottom for last item */
}
.timeline-dot {
    position: absolute;
    left: -10px;
    top: 0;
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: 50%;
    border: 3px solid var(--color-bg-primary);
    box-shadow: 0 0 15px var(--color-primary-shadow-medium);
}

/* ========== LOADER STYLES ========== */
#loader {
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
    visibility: visible;
    opacity: 1;
}
#loader.hidden {
    opacity: 0;
    visibility: hidden;
}
.loader-dots {
    display: flex;
    gap: 12px;
}
.loader-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    animation: pulse-dot 1.4s ease-in-out infinite both;
}
.loader-dot:nth-child(1) {
    animation-delay: -0.32s;
}
.loader-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes pulse-dot {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.5;
    }
    40% {
        transform: scale(1.0);
        opacity: 1;
    }
}

/* ========== FOOTER MAP STYLES ========== */
.map-placeholder {
    position: relative;
    width: 100%;
    height: 120px;
    border-radius: var(--radius-md);
    background: var(--color-map-bg);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
}
.map-placeholder::before,
.map-placeholder::after {
    content: '';
    position: absolute;
    background: var(--color-primary-bg);
    border-radius: 50%;
}
.map-placeholder::before {
    width: 250px;
    height: 250px;
    left: -50px;
    top: -100px;
}
.map-placeholder::after {
    width: 150px;
    height: 150px;
    right: -30px;
    bottom: -50px;
}
.map-pin {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
}
.map-pin-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 15px var(--color-primary), 0 0 0 4px var(--color-primary-shadow-light);
    animation: pulse-dot 1.5s infinite;
}
.map-pin-text {
    margin-top: 10px;
    background: rgba(15, 23, 42, 0.8);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 600;
    color: var(--color-primary-hover);
    white-space: nowrap;
}

/* ========== MODAL STYLES (V4 FIX) ========== */
.modal-overlay {
    background: rgba(15, 23, 42, 0.7); /* --color-bg-primary with opacity */
    backdrop-filter: blur(10px);
    transition: opacity 0.3s ease-in-out;
    opacity: 0; /* FIX: Start hidden */
}

/* Jab parent ko .show class milti hai, tab overlay dikhao */
#response-modal.show .modal-overlay {
    opacity: 1;
}

.modal-container {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    
    /* Transition properties */
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* Springy effect */
    
    /* Start state (same as parent's opacity-0) */
    transform: translateY(20px) scale(0.95);
    opacity: 0; 
    
    z-index: 101; /* Ensure modal is above overlay */
}

/* Jab parent ko .show class milti hai, tab modal ko animate karo */
#response-modal.show {
    opacity: 1;
    visibility: visible;
}
#response-modal.show .modal-container {
    transform: translateY(0) scale(1);
    opacity: 1;
}

/* Modal Spinner */
.modal-spinner {
    width: 48px;
    height: 48px;
    border: 5px solid var(--color-primary-border);
    border-bottom-color: var(--color-primary);
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
}
@keyframes rotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Modal Icons */
.modal-icon-success {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 2px solid var(--color-success-border);
}
.modal-icon-error {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 2px solid var(--color-error-border);
}

/* Modal Icons ke paas add karein */
.modal-icon-warning {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border: 2px solid var(--color-warning-border);
}

/* (NAYA) Card Badges */
.project-category-badge {
    position: absolute;
    top: 1rem; /* top-4 */
    left: 1rem; /* left-4 */
    z-index: 10;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    font-size: 0.75rem; /* text-xs */
    font-weight: 600;
    padding: 0.25rem 0.75rem; /* py-1 px-3 */
    border-radius: 9999px; /* rounded-full */
    border: 1px solid var(--color-primary-border);
}
.project-featured-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 10;
    background: var(--color-accent-bg);
    color: var(--color-accent);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    border: 1px solid var(--color-accent-border);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}