/* TGT Brand Colors from Logo */
:root {
    --tgt-cyan: #0099CC;
    --tgt-cyan-light: #33B5D4;
    --tgt-navy: #003D5C;
    --tgt-dark: #0A0E1A;
    --tgt-dark-bg: #1a1a2e;
    --light-bg: #f8f9fa;
    --text-dark: #333;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
}

section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--tgt-navy);
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--tgt-cyan) 0%, var(--tgt-cyan-light) 100%);
    margin: 1rem auto 0;
    border-radius: 2px;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--tgt-dark) 0%, var(--tgt-navy) 100%);
    color: white;
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.hero .tagline {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    color: var(--tgt-cyan-light);
}

.hero-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 5px solid var(--tgt-cyan);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
    margin-bottom: 2rem;
    object-fit: cover;
}

.hero-buttons .btn {
    margin: 0 10px;
    padding: 12px 30px;
    font-size: 1.1rem;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.hero-buttons .btn-light {
    background: white;
    color: var(--tgt-navy);
    border: none;
}

.hero-buttons .btn-light:hover {
    background: var(--tgt-cyan);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.4);
}

.hero-buttons .btn-outline-light {
    border: 2px solid var(--tgt-cyan);
    color: var(--tgt-cyan);
}

.hero-buttons .btn-outline-light:hover {
    background: var(--tgt-cyan);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.4);
}

/* ============================================
   PORTFOLIO SECTION
   ============================================ */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    border: 2px solid var(--tgt-cyan);
    background: white;
    color: var(--tgt-cyan);
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 25px;
    font-weight: 600;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--tgt-cyan);
    color: white;
    box-shadow: 0 3px 10px rgba(0, 212, 255, 0.3);
}

.project-card {
    margin-bottom: 30px;
    transition: transform 0.3s, box-shadow 0.3s;
    border: none;
    border-radius: 12px;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.project-card img {
    height: 250px;
    object-fit: cover;
    border-radius: 12px 12px 0 0;
}

.project-card .card-body {
    padding: 1.5rem;
}

.project-category {
    display: inline-block;
    padding: 5px 15px;
    background: linear-gradient(90deg, var(--tgt-cyan) 0%, var(--tgt-cyan-light) 100%);
    color: white;
    border-radius: 15px;
    font-size: 0.85rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.tech-badge {
    padding: 4px 12px;
    background: var(--light-bg);
    border: 1px solid var(--tgt-cyan);
    border-radius: 12px;
    font-size: 0.85rem;
    color: var(--tgt-navy);
}

.project-card .btn-primary {
    background: var(--tgt-cyan);
    border: none;
}

.project-card .btn-primary:hover {
    background: var(--tgt-navy);
}

/* ============================================
   SKILLS SECTION
   ============================================ */
#skills {
    background: var(--light-bg);
}

.skill-category {
    margin-bottom: 2rem;
}

.skill-category h4 {
    color: var(--tgt-navy);
    margin-bottom: 1rem;
    font-weight: 600;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-tag {
    padding: 8px 20px;
    background: white;
    border: 2px solid var(--tgt-cyan);
    border-radius: 20px;
    font-weight: 500;
    transition: all 0.3s;
    color: var(--tgt-navy);
}

.skill-tag:hover {
    background: var(--tgt-cyan);
    color: white;
    transform: translateY(-2px);
}

.skill-tag.expert {
    border-color: #27ae60;
    color: #27ae60;
}

.skill-tag.expert:hover {
    background: #27ae60;
    color: white;
}

/* ============================================
   EXPERIENCE TIMELINE
   ============================================ */
.timeline {
    position: relative;
    padding-left: 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--tgt-cyan) 0%, var(--tgt-cyan-light) 100%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0, 212, 255, 0.1);
    border-left: 3px solid var(--tgt-cyan);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -38px;
    top: 30px;
    width: 16px;
    height: 16px;
    background: var(--tgt-cyan);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.2);
}

.timeline-item.current::before {
    background: var(--tgt-cyan-light);
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.3), 0 0 20px rgba(0, 212, 255, 0.5);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.timeline-item h4 {
    color: var(--tgt-navy);
    margin-bottom: 5px;
    font-weight: 700;
}

.timeline-item .company {
    color: var(--tgt-cyan);
    font-weight: 600;
    font-size: 1.1rem;
}

.timeline-item .duration {
    color: #777;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--tgt-navy) 0%, var(--tgt-dark) 100%);
    color: white;
    padding: 80px 0;
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-section .lead {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--tgt-cyan-light);
}

.cta-section .btn-light {
    padding: 15px 40px;
    font-size: 1.1rem;
    border-radius: 30px;
    background: white;
    color: var(--tgt-navy);
    border: none;
    transition: all 0.3s ease;
}

.cta-section .btn-light:hover {
    background: var(--tgt-cyan);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.4);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-info {
    text-align: center;
    margin-bottom: 3rem;
}

.contact-info a {
    display: inline-block;
    margin: 0 15px;
    font-size: 2rem;
    color: var(--tgt-cyan);
    transition: all 0.3s;
}

.contact-info a:hover {
    color: var(--tgt-navy);
    transform: translateY(-3px);
}

.form-container {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.1);
    border-top: 3px solid var(--tgt-cyan);
}

.form-container .btn-primary {
    background: var(--tgt-cyan);
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.form-container .btn-primary:hover {
    background: var(--tgt-navy);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.3);
}

.form-control:focus {
    border-color: var(--tgt-cyan);
    box-shadow: 0 0 0 0.2rem rgba(0, 212, 255, 0.15);
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    background: var(--tgt-dark);
    color: white;
    padding: 30px 0;
    text-align: center;
}

footer a {
    color: var(--tgt-cyan);
    text-decoration: none;
    transition: color 0.3s;
}

footer a:hover {
    color: var(--tgt-cyan-light);
}

/* ============================================
   MESSAGES/ALERTS
   ============================================ */
.alert {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    max-width: 400px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.alert-success {
    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    border: none;
    color: white;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: scale(0.95); 
    }
    to { 
        opacity: 1; 
        transform: scale(1); 
    }
}

.project-item {
    animation: fadeIn 0.5s ease;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero .tagline {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .portfolio-filters {
        gap: 8px;
    }
    
    .filter-btn {
        padding: 8px 18px;
        font-size: 0.9rem;
    }
}