/* Muhammad Safdar Portfolio - Black & Dark Navy Blue Theme */

/* Font Family */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Enhanced Smooth Scrolling */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

* {
    scroll-behavior: unset;
}

/* Custom Scrollbar - Navy Blue */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #000000;
}

::-webkit-scrollbar-thumb {
    background: #1e3a8a;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1e40af;
}

/* BLACK & DARK NAVY BLUE COLOR SYSTEM */
:root {
    /* Background Colors - Black & Navy */
    --main-bg: #000000;           /* Pure black main background */
    --card-bg: #0f0f23;           /* Very dark navy for cards */
    --elevated-card: #1e1e3f;     /* Elevated dark navy cards */
    
    /* Border Colors - Navy Variants */
    --subtle-border: #1e3a8a;     /* Navy blue borders */
    --hover-border: #2563eb;      /* Brighter navy on hover */
    
    /* Text Colors - High Contrast */
    --text-primary: #FFFFFF;      /* Pure white text */
    --text-secondary: #e2e8f0;    /* Light gray text */
    --text-muted: #94a3b8;        /* Muted gray text */
    --text-disabled: #64748b;     /* Disabled text */
    
    /* Accent Colors - Navy & Blue Theme */
    --navy-primary: #1e3a8a;      /* Primary navy blue */
    --navy-hover: #1e40af;        /* Navy hover state */
    --blue-accent: #3b82f6;       /* Bright blue accent */
    --cyan-accent: #06b6d4;       /* Cyan for success */
    --red-accent: #ef4444;        /* Red for urgency */
    
    /* Shadow Colors - Deep & Navy */
    --shadow-light: rgba(30, 58, 138, 0.1);
    --shadow-medium: rgba(30, 58, 138, 0.2);
    --shadow-heavy: rgba(30, 58, 138, 0.3);
    --glow-navy: rgba(30, 58, 138, 0.4);
}

/* Base Styles with Black & Navy Theme */
body {
    background-color: var(--main-bg);
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

/* Ensure text is always visible */
* {
    color: inherit;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary) !important;
    font-weight: 700;
}

p {
    color: var(--text-secondary) !important;
}

/* Header Styles */
header {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(0, 0, 0, 0.95);
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

header.scrolled {
    background: rgba(0, 0, 0, 0.98);
    border-bottom-color: var(--subtle-border);
    box-shadow: 0 2px 20px var(--shadow-medium);
}

/* Navigation Links */
nav a {
    position: relative;
    transition: color 0.3s ease;
    color: var(--text-secondary);
}

nav a:hover {
    color: var(--text-primary);
}

nav a:not(.bg-navy-primary)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--navy-primary);
    transition: width 0.3s ease;
}

nav a:not(.bg-navy-primary):hover::after {
    width: 100%;
}

/* Button Styles - Navy Theme */
.bg-navy-primary,
.btn-navy {
    background-color: var(--navy-primary) !important;
    color: var(--text-primary) !important;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.3);
}

.bg-navy-primary::before,
.btn-navy::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.bg-navy-primary:hover,
.btn-navy:hover {
    background-color: var(--navy-hover) !important;
    transform: translateY(-1px);
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.5);
}

.bg-navy-primary:hover::before,
.btn-navy:hover::before {
    left: 100%;
}

/* Blue Accent Button */
.bg-blue-accent {
    background-color: var(--blue-accent) !important;
    color: var(--text-primary) !important;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.bg-blue-accent:hover {
    background-color: #2563eb !important;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}

/* Cyan Button for Success Actions */
.bg-cyan-accent {
    background-color: var(--cyan-accent) !important;
    color: var(--text-primary) !important;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.bg-cyan-accent:hover {
    background-color: #0891b2 !important;
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.5);
}

/* Card Styles - Dark Navy Theme */
.bg-dark-card {
    background-color: var(--card-bg) !important;
    border: 1px solid var(--subtle-border);
    transition: all 0.4s ease;
    position: relative;
    box-shadow: 0 2px 10px var(--shadow-light);
}

.bg-dark-card:hover {
    background-color: var(--elevated-card) !important;
    border-color: var(--hover-border);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--shadow-heavy);
}

/* Pricing Card Specific Styles */
.pricing-card {
    position: relative;
    transition: all 0.4s ease;
}

.pricing-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 25px 50px rgba(30, 58, 138, 0.2);
}

/* Most Popular Badge - Navy Theme */
.most-popular-badge {
    background: var(--navy-primary) !important;
    color: var(--text-primary) !important;
    animation: subtle-pulse 2s ease-in-out infinite;
    font-size: 12px;
    font-weight: 600;
}

@keyframes subtle-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.02);
        opacity: 0.9;
    }
}

/* Text Color Classes - Navy Theme */
.text-white {
    color: var(--text-primary) !important;
}

.text-text-secondary {
    color: var(--text-secondary) !important;
}

.text-text-muted {
    color: var(--text-muted) !important;
}

.text-navy-primary {
    color: var(--navy-primary) !important;
}

.text-blue-accent {
    color: var(--blue-accent) !important;
}

.text-cyan-accent {
    color: var(--cyan-accent) !important;
}

.text-red-accent {
    color: var(--red-accent) !important;
}

/* Ensure all text elements have proper colors */
h1 {
    color: var(--text-primary) !important;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    color: var(--text-primary) !important;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.3;
}

h3 {
    color: var(--text-primary) !important;
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 600;
    line-height: 1.4;
}

p, span, div {
    color: var(--text-secondary) !important;
}

/* Links - Navy Theme */
a {
    color: var(--navy-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Testimonial Cards */
.testimonial-card {
    transition: all 0.4s ease;
    position: relative;
    background-color: var(--card-bg) !important;
}

.testimonial-card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--navy-primary), var(--blue-accent), var(--cyan-accent));
    border-radius: 18px;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.4s ease;
}

.testimonial-card:hover::after {
    opacity: 0.3;
}

.testimonial-card:hover {
    transform: translateY(-6px);
}

/* Portfolio Project Cards */
.portfolio-project {
    transition: all 0.4s ease;
}

.portfolio-project:hover {
    transform: scale(1.02);
}

.portfolio-image-placeholder {
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.2), rgba(59, 130, 246, 0.2));
    border: 1px solid var(--subtle-border);
    transition: all 0.4s ease;
}

.portfolio-image-placeholder:hover {
    border-color: var(--hover-border);
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.3), rgba(59, 130, 246, 0.3));
}

/* Process Steps */
.process-step {
    transition: all 0.3s ease;
}

.process-step:hover {
    transform: translateX(10px);
}

.step-number {
    background-color: var(--navy-primary) !important;
    color: var(--text-primary) !important;
    transition: all 0.3s ease;
    font-weight: 700;
}

.process-step:hover .step-number {
    transform: scale(1.1);
    box-shadow: 0 5px 15px var(--glow-navy);
}

/* Enhanced Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Intersection Observer Animations */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger Animation */
.stagger-animation > * {
    opacity: 0;
    transform: translateY(30px);
    animation: staggerFadeInUp 0.8s ease forwards;
}

.stagger-animation > *:nth-child(1) {
    animation-delay: 0.1s;
}

.stagger-animation > *:nth-child(2) {
    animation-delay: 0.2s;
}

.stagger-animation > *:nth-child(3) {
    animation-delay: 0.3s;
}

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

/* Mobile Menu Animation */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: var(--main-bg);
    border-top: 1px solid var(--subtle-border);
}

#mobile-menu.show {
    max-height: 400px;
}

/* Enhanced Focus States */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--navy-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Ripple Effect */
@keyframes ripple {
    to {
        transform: scale(2);
        opacity: 0;
    }
}

/* Badge Styles - Navy Theme */
.badge {
    background-color: rgba(30, 58, 138, 0.2);
    color: var(--navy-primary) !important;
    border: 1px solid rgba(30, 58, 138, 0.3);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Quote Icons */
.fas.fa-quote-left {
    color: var(--subtle-border) !important;
    opacity: 0.5;
}

/* Check Icons */
.fas.fa-check {
    color: var(--cyan-accent) !important;
}

/* Code/Tech Icons */
.fas.fa-code,
.fas.fa-database,
.fas.fa-server,
.fas.fa-cloud {
    color: var(--blue-accent) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .bg-dark-card:hover {
        transform: translateY(-4px);
    }
    
    .pricing-card:hover {
        transform: translateY(-6px);
    }
    
    .process-step:hover {
        transform: none;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* Performance Optimizations */
.bg-dark-card,
.pricing-card,
.testimonial-card,
.portfolio-project {
    will-change: transform;
}

/* Dark Theme Utilities */
.bg-dark-bg {
    background-color: var(--main-bg) !important;
}

.border-dark-border {
    border-color: var(--subtle-border) !important;
}

/* Text Shadow for Better Readability */
.text-shadow {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

/* Ensure all interactive elements are properly colored */
button {
    color: var(--text-primary) !important;
}

input, textarea {
    background-color: var(--card-bg);
    border: 1px solid var(--subtle-border);
    color: var(--text-primary);
}

input:focus, textarea:focus {
    border-color: var(--navy-primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(30, 58, 138, 0.2);
}

/* Urgency Text */
.urgency-text {
    color: var(--red-accent) !important;
    font-weight: 600;
}

/* Success Text */
.success-text {
    color: var(--cyan-accent) !important;
}

/* Prevent text from disappearing */
.container * {
    opacity: 1 !important;
}

/* Hero Section Background - Navy Gradient */
.hero-section {
    background: radial-gradient(ellipse at center, rgba(30, 58, 138, 0.1) 0%, transparent 70%);
}

/* Footer Styles */
footer {
    background-color: var(--card-bg) !important;
    border-top: 1px solid var(--subtle-border);
}

/* Loading States */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(30, 58, 138, 0.3);
    border-left: 4px solid var(--navy-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Tech Stack Highlights */
.tech-highlight {
    background: linear-gradient(135deg, var(--navy-primary), var(--blue-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

/* Special Navy Glow for Important Elements */
.navy-glow {
    box-shadow: 0 0 20px var(--glow-navy);
}

.navy-glow:hover {
    box-shadow: 0 0 30px var(--glow-navy);
}

/* Print Styles */
@media print {
    body {
        background: white !important;
        color: black !important;
    }
    
    .bg-dark-card {
        background: white !important;
        border: 1px solid #ccc !important;
    }
}