/* ========================================
   Pure Monochrome Theme - Modern Light
   ======================================== */

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-card: #f3f4f6;
    --bg-card-hover: #e5e7eb;
    --text-primary: #000000;
    --text-secondary: #4b5563;
    --text-muted: #6b7280;
    --border-color: #e5e7eb;
    --border-light: #d1d5db;
    --accent: #000000;
    --shadow: rgba(0, 0, 0, 0.05);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.1);
}

/* Base Styles */
body {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary) !important;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

a {
    color: var(--text-primary);
    transition: opacity 0.3s ease;
}

a:hover {
    color: var(--text-primary);
    opacity: 0.7;
}

/* Navbar */
.navbar {
    background: transparent !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.navbar.nav-sticky {
    background: rgba(255, 255, 255, 0.95) !important;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.navbar .navbar-brand img {
    filter: none;
}

.navbar .nav-link {
    color: var(--text-primary) !important;
    font-weight: 500;
    font-size: 0.95rem;
    transition: opacity 0.3s ease;
}

.navbar .nav-link:hover {
    opacity: 0.7;
}

/* Hero Section */
.bg-modern, .bg-light {
    background: var(--bg-primary) !important;
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(255,255,255,0.03) 0%, transparent 50%);
    pointer-events: none;
}

.sub-title {
    color: var(--text-muted) !important;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 500;
}

.heading {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-primary) !important;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

@media (max-width: 768px) {
    .heading {
        font-size: 2.25rem;
    }
}

/* Buttons */
.btn-primary {
    background: var(--text-primary) !important;
    color: var(--bg-primary) !important;
    border: none !important;
    padding: 0.875rem 2rem;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--text-secondary) !important;
    transform: translateY(-2px);
}

.btn-outline-primary {
    background: transparent !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-light) !important;
    padding: 0.875rem 2rem;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--text-primary) !important;
    color: var(--bg-primary) !important;
    border-color: var(--text-primary) !important;
}

/* Section Titles */
.section-title .title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary) !important;
    letter-spacing: -0.02em;
}

.title-box, .title-line {
    background: var(--text-primary) !important;
}

/* Cards - Glass Effect */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.glass-card:hover {
    border-color: var(--border-light);
    transform: translateY(-4px);
}

/* Experience Cards */
.experience-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.75rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
}

.experience-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    transform: translateY(-4px);
}

.experience-card.featured {
    background: #000000;
    border-color: #000000;
}

.experience-card.featured * {
    color: #ffffff !important;
}

.experience-card.featured .exp-company {
    color: rgba(255, 255, 255, 0.8) !important;
}

.experience-card.featured .exp-duration {
    color: rgba(255, 255, 255, 0.7) !important;
}

.experience-card.featured .exp-description {
    color: rgba(255, 255, 255, 0.85) !important;
}

.experience-card .exp-duration {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.experience-card .exp-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.experience-card .exp-company {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.experience-card .exp-description {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 1rem;
    line-height: 1.6;
}

/* Service Cards */
.service-wrapper {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 12px !important;
    transition: all 0.3s ease;
}

.service-wrapper:hover {
    border-color: var(--border-light) !important;
    transform: translateY(-4px);
}

.service-wrapper .title {
    color: var(--text-primary) !important;
    font-size: 1rem;
    font-weight: 600;
}

.service-wrapper .icon {
    color: var(--text-primary) !important;
}

.service-wrapper .big-icon {
    color: var(--border-color) !important;
}

/* About Section */
.about-section {
    background: var(--bg-primary);
}

.about-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 3rem;
}

/* Contact Section */
.form-control {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    border-radius: 8px;
    padding: 1rem 1.25rem;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--border-light) !important;
    box-shadow: none !important;
    background: var(--bg-card-hover) !important;
}

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

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

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

.footer a {
    color: var(--text-secondary) !important;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: var(--text-primary) !important;
}

.footer-bar {
    background: var(--bg-primary) !important;
}

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

/* Social Icons */
.social-icon li a {
    color: var(--text-secondary) !important;
    transition: all 0.3s ease;
}

.social-icon li a:hover {
    color: var(--text-primary) !important;
}

.social-icon li a i {
    font-size: 1.25rem;
}

/* Scroll Indicator */
.mouse-icon {
    border-color: var(--border-light) !important;
}

.mouse-icon .wheel {
    background: var(--text-primary) !important;
}

/* Back to Top */
.back-to-top {
    background: var(--text-primary) !important;
    color: var(--bg-primary) !important;
    border: none;
}

.back-to-top:hover {
    background: var(--text-secondary) !important;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* Subtle hover animations */
.hover-lift {
    transition: transform 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
}

/* Selection */
::selection {
    background: var(--text-primary);
    color: var(--bg-primary);
}

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Hide elements not needed */
#style-switcher {
    display: none !important;
}

/* Skill tags */
.skill-tag {
    display: inline-block;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0.25rem;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

/* Stats */
.stat-item {
    text-align: center;
    padding: 1.5rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.5rem;
}

/* Loader */
#preloader {
    background: var(--bg-primary) !important;
}

.spinner .bounce1,
.spinner .bounce2,
.spinner .bounce3 {
    background-color: var(--text-primary) !important;
}

/* Light theme specific adjustments */
.hero-section::before {
    background: radial-gradient(ellipse at 50% 0%, rgba(0,0,0,0.02) 0%, transparent 50%);
}

.footer {
    background: var(--bg-secondary) !important;
}

.footer-bar {
    background: var(--bg-card) !important;
}