/* ============================================
   GLASSMORPHISM PORTFOLIO - CUSTOM CSS
   ============================================ */

/* CSS Variables */
:root {
    --primary-color: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary-color: #06b6d4;
    --accent-color: #f472b6;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-bg: #0f172a;
    --darker-bg: #020617;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --text-light: #f8fafc;
    --text-muted: #94a3b8;
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
    --gradient-2: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-3: linear-gradient(135deg, #f472b6 0%, #fb7185 100%);
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--darker-bg);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   ANIMATED BACKGROUND
   ============================================ */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.bg-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(244, 114, 182, 0.1) 0%, transparent 50%);
    animation: bgPulse 10s ease-in-out infinite;
}

@keyframes bgPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-color);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary-color);
    top: 50%;
    right: -50px;
    animation-delay: -5s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: var(--accent-color);
    bottom: -50px;
    left: 30%;
    animation-delay: -10s;
}

.shape-4 {
    width: 200px;
    height: 200px;
    background: var(--primary-light);
    top: 30%;
    left: 50%;
    animation-delay: -15s;
}

.shape-5 {
    width: 350px;
    height: 350px;
    background: var(--primary-dark);
    bottom: 20%;
    right: 20%;
    animation-delay: -7s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.1);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.9);
    }
    75% {
        transform: translate(-30px, -20px) scale(1.05);
    }
}

/* ============================================
   GLASSMORPHISM COMPONENTS
   ============================================ */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: var(--glass-shadow);
    transition: all 0.3s ease;
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
}

.glass-badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-light);
}

.glass-badge-sm {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-light);
}

.glass-nav {
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 15px 0;
    transition: all 0.3s ease;
}

.glass-nav.scrolled {
    background: rgba(15, 23, 42, 0.9);
    padding: 10px 0;
}

.glass-btn-primary {
    background: var(--gradient-1);
    border: none;
    border-radius: 12px;
    padding: 12px 28px;
    font-weight: 600;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.glass-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.6);
    color: white;
}

.glass-btn-outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    padding: 12px 28px;
    font-weight: 600;
    color: white;
    transition: all 0.3s ease;
}

.glass-btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
}

.glass-input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 14px 18px;
    color: white;
    transition: all 0.3s ease;
}

.glass-input:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
    color: white;
    outline: none;
}

.glass-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar-brand {
    font-size: 1.5rem;
}

.brand-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-nav .nav-link {
    color: var(--text-light);
    font-weight: 500;
    padding: 10px 18px;
    border-radius: 10px;
    transition: all 0.3s ease;
    margin: 0 3px;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-light);
}

.navbar-toggler {
    color: white;
    padding: 8px 12px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    min-height: 100vh;
    padding-top: 80px;
}

.hero-content {
    position: relative;
}

.text-gradient {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-image-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-card {
    position: relative;
    display: inline-block;
    padding: 40px;
}

.profile-image-wrapper {
    position: relative;
    width: 280px;
    height: 280px;
    margin: 0 auto;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 2;
}

.profile-ring {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 50%;
    border: 2px solid transparent;
    background: var(--gradient-1);
    -webkit-mask: 
        linear-gradient(#fff 0 0) content-box, 
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    padding: 3px;
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.tech-icons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 25px;
}

.tech-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    font-size: 1.5rem;
    color: white;
    transition: all 0.3s ease;
    cursor: pointer;
}

.tech-icon:hover {
    background: var(--gradient-1);
    transform: translateY(-5px) rotate(10deg);
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section-padding {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-card {
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.about-highlights {
    margin-top: 20px;
}

.highlight-item {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.highlight-item:last-child {
    border-bottom: none;
}

.info-card {
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-10px);
}

.info-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    border-radius: 16px;
    font-size: 1.5rem;
    margin: 0 auto 15px;
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skill-category {
    position: relative;
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 15px;
}

.skill-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.5rem;
}

.data-icon {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
}

.web-icon {
    background: rgba(6, 182, 212, 0.2);
    color: var(--secondary-color);
}

.tools-icon {
    background: rgba(244, 114, 182, 0.2);
    color: var(--accent-color);
}

.skill-item {
    margin-bottom: 20px;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.skill-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-1);
    border-radius: 4px;
    transition: width 1s ease;
    position: relative;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.tech-stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 20px;
}

.tech-stack-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.tech-stack-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.tech-stack-item i {
    font-size: 2rem;
    color: var(--primary-light);
}

.tech-stack-item span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ============================================
   TIMELINE / EXPERIENCE
   ============================================ */
.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color), var(--accent-color));
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-marker {
    position: absolute;
    left: -36px;
    top: 20px;
    width: 14px;
    height: 14px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 3px solid var(--darker-bg);
    box-shadow: 0 0 0 3px var(--primary-color);
}

.timeline-card {
    position: relative;
}

.timeline-header {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.timeline-badge {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.data-badge {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
}

.web-badge {
    background: rgba(6, 182, 212, 0.2);
    color: var(--secondary-color);
}

.company-name {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.timeline-period {
    display: inline-flex;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 5px;
}

.timeline-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.timeline-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.timeline-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-light);
    font-weight: bold;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    padding: 5px 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-light);
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    border-radius: 16px;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.service-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.service-list li i {
    color: var(--success-color);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-info-card {
    position: relative;
}

.contact-info-list {
    margin-top: 30px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-info-item:last-child {
    border-bottom: none;
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 12px;
    font-size: 1.2rem;
    color: var(--primary-light);
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: white;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--gradient-1);
    transform: translateY(-3px);
    color: white;
}

.contact-form-card {
    height: 100%;
}

.form-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding-bottom: 30px;
}

.footer-card {
    text-align: center;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 991px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-section {
        padding-top: 100px;
    }
    
    .profile-image-wrapper {
        width: 220px;
        height: 220px;
    }
    
    .section-padding {
        padding: 60px 0;
    }
}

@media (max-width: 767px) {
    .section-title {
        font-size: 1.75rem;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .profile-image-wrapper {
        width: 180px;
        height: 180px;
    }
    
    .timeline {
        padding-left: 20px;
    }
    
    .timeline-marker {
        left: -26px;
        width: 12px;
        height: 12px;
    }
    
    .tech-stack-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 575px) {
    .hero-stats .col-4 h3 {
        font-size: 1.5rem;
    }
    
    .hero-stats small {
        font-size: 0.7rem;
    }
    
    .glass-btn-primary,
    .glass-btn-outline {
        width: 100%;
        margin-right: 0 !important;
    }
}

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

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

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

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