/* ===================================
   Modern Portfolio Theme - Light & Blue
   =================================== */

:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;

    /* Light Theme Colors */
    --light-bg: #f8fafc;
    --lighter-bg: #ffffff;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --shadow-color: rgba(37, 99, 235, 0.1);
}

body {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: var(--text-primary);
}

main#app {
    flex: 1;
    min-height: calc(100vh - 200px);
}

/* ===================================
   Typography
   =================================== */

.font-monospace {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

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

p,
li {
    line-height: 1.7;
    color: var(--text-secondary);
}

/* ===================================
   Navbar
   =================================== */

.navbar {
    backdrop-filter: blur(20px) saturate(180%);
    background-color: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 600;
    transition: all 0.3s ease;
    color: var(--primary-color) !important;
}

.navbar-brand:hover {
    color: #1d4ed8 !important;
}

.nav-link {
    transition: all 0.3s ease;
    position: relative;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 0.5rem;
    margin: 0 0.25rem;
    color: var(--text-secondary) !important;
}

.nav-link:hover {
    color: var(--primary-color) !important;
    background-color: #eff6ff;
}

.nav-link.active {
    color: var(--primary-color) !important;
    background-color: #dbeafe;
}

/* ===================================
   Cards & Content Blocks
   =================================== */

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    transition: all 0.3s ease;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--shadow-color);
    border-color: #bfdbfe;
}

.card-header {
    background: #f8fafc;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem;
}

/* ===================================
   Badges & Tags
   =================================== */

.badge {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 2rem;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.badge:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Bootstrap Badge Overrides */
.badge.bg-primary {
    background-color: var(--primary-color) !important;
    color: white !important;
}

.badge.bg-secondary {
    background-color: var(--secondary-color) !important;
    color: white !important;
}

.badge.bg-success {
    background-color: var(--success-color) !important;
    color: white !important;
}

.badge.bg-warning {
    background-color: var(--warning-color) !important;
    color: white !important;
}

.badge.bg-info {
    background-color: var(--info-color) !important;
    color: white !important;
}

.badge.bg-danger {
    background-color: var(--danger-color) !important;
    color: white !important;
}

/* Subtle Badges */
.badge.bg-secondary-subtle {
    background-color: #f1f5f9 !important;
    color: var(--text-secondary) !important;
    border: 1px solid var(--border-color);
}

.badge.bg-info-subtle {
    background-color: #ecfeff !important;
    color: #0e7490 !important;
    border: 1px solid #a5f3fc;
}

.badge.bg-primary-subtle {
    background-color: #eff6ff !important;
    color: #1e40af !important;
    border: 1px solid #bfdbfe;
}

/* ===================================
   Buttons
   =================================== */

.btn {
    border-radius: 0.75rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: var(--primary-color);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
    background: #1d4ed8;
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.btn-outline-light {
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-outline-light:hover {
    background: #f8fafc;
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* ===================================
   Animations
   =================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

.fade-in-item {
    opacity: 0;
    animation: fadeIn 0.5s ease-out forwards;
}

.fade-in-item:nth-child(1) {
    animation-delay: 0.1s;
}

.fade-in-item:nth-child(2) {
    animation-delay: 0.2s;
}

.fade-in-item:nth-child(3) {
    animation-delay: 0.3s;
}

.fade-in-item:nth-child(4) {
    animation-delay: 0.4s;
}

.fade-in-item:nth-child(5) {
    animation-delay: 0.5s;
}

.fade-in-item:nth-child(6) {
    animation-delay: 0.6s;
}

/* ===================================
   Hero Section
   =================================== */

.hero-section {
    min-height: 65vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3rem 0;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===================================
   Skills Section
   =================================== */

.skill-item {
    display: inline-block;
    margin: 0.3rem;
}

.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* ===================================
   Projects Section
   =================================== */

.project-card {
    height: 100%;
}

.project-card .card-header {
    background: linear-gradient(135deg, #eff6ff 0%, #e0f2fe 100%);
}

/* ===================================
   Footer
   =================================== */

footer {
    margin-top: auto;
    background-color: var(--lighter-bg) !important;
    border-top: 1px solid var(--border-color);
}

/* ===================================
   Education Cards
   =================================== */

.education-card {
    position: relative;
    overflow: visible;
}

.education-card .card-header.bg-gradient {
    background: linear-gradient(135deg, #eff6ff 0%, #e0f2fe 100%) !important;
    border-bottom: 2px solid #bfdbfe;
    padding: 1.5rem;
}

.education-card .icon-wrapper {
    background: white;
    width: 65px;
    height: 65px;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.15);
}

.education-card .highlight-item {
    transition: all 0.3s ease;
}

.education-card .highlight-item:hover {
    transform: translateX(5px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.education-card::before {
    content: '';
    position: absolute;
    left: -15px;
    top: 20px;
    width: 4px;
    height: calc(100% - 40px);
    background: linear-gradient(180deg, var(--primary-color), var(--info-color));
    border-radius: 2px;
}

.education-card::after {
    content: '';
    position: absolute;
    left: -21px;
    top: 30px;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border: 3px solid var(--lighter-bg);
    border-radius: 50%;
    box-shadow: 0 0 0 3px #dbeafe;
}

/* ===================================
   Accordion Customization
   =================================== */

.accordion-item {
    background: transparent;
    margin-bottom: 1.5rem;
    border: none;
}

.accordion-button {
    border-radius: 1rem !important;
    padding: 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.accordion-button:not(.collapsed) {
    background: #eff6ff;
    border-color: #93c5fd;
    box-shadow: 0 4px 15px var(--shadow-color);
    color: var(--text-primary);
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(37, 99, 235, 0.15);
    border-color: var(--primary-color);
}

.accordion-button:hover {
    background: #f0f9ff;
    border-color: #bfdbfe;
}

.accordion-button::after {
    margin-left: auto;
    flex-shrink: 0;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232563eb'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-button:not(.collapsed)::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232563eb'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
    transform: rotate(-180deg);
}

.accordion-button .badge {
    flex-shrink: 0;
}

.accordion-body {
    background: transparent;
    padding: 1.5rem 1rem;
}

.accordion-button>div {
    flex: 1;
    min-width: 0;
}

.accordion-button>div strong {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.accordion-button>div small {
    display: block;
    margin-top: 0.25rem;
    opacity: 0.7;
    color: var(--text-secondary);
}

/* ===================================
   Text Colors
   =================================== */

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

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

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

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

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

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

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

/* ===================================
   Responsive Improvements
   =================================== */

@media (max-width: 992px) {
    .accordion-button {
        padding: 1.25rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .accordion-button .badge {
        align-self: flex-start;
        margin-left: 0;
    }

    .accordion-button::after {
        position: absolute;
        top: 1.25rem;
        right: 1.25rem;
    }

    .d-flex.justify-content-center.gap-2 {
        gap: 0.5rem !important;
    }

    .badge.px-3.py-2 {
        font-size: 0.75rem;
        padding: 0.5rem 0.75rem !important;
    }

    .project-card .card-header h4 {
        font-size: 1.1rem;
    }

    .project-card .card-body {
        padding: 1rem;
    }

    .stat-card {
        padding: 1.5rem 1rem !important;
    }

    .stat-card i {
        font-size: 2rem !important;
    }

    .stat-card h3 {
        font-size: 1.75rem;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .accordion-button {
        padding: 1rem;
    }

    .accordion-button>div strong {
        font-size: 1rem;
    }

    .accordion-button>div small {
        font-size: 0.75rem;
    }

    .accordion-button i.fs-4 {
        font-size: 1.5rem !important;
    }

    .accordion-body {
        padding: 1rem 0.5rem;
    }

    .badge {
        padding: 0.375rem 0.75rem;
        font-size: 0.8rem;
    }

    .skill-item {
        padding: 0.35rem 0.7rem;
        font-size: 0.75rem;
    }

    .btn-lg {
        padding: 0.6rem 1.25rem;
        font-size: 0.95rem;
    }

    .btn-sm {
        padding: 0.25rem 0.6rem;
        font-size: 0.75rem;
    }

    .card {
        border-radius: 0.75rem;
    }

    .card-header {
        padding: 1rem;
    }

    .card-body {
        padding: 1rem;
    }

    .contact-card .card-body i {
        font-size: 3rem !important;
    }

    .contact-card h4 {
        font-size: 1.1rem;
    }

    .education-card::before,
    .education-card::after {
        display: none;
    }

    .education-card .card-header.bg-gradient {
        padding: 1rem;
    }

    .education-card .icon-wrapper {
        width: 50px;
        height: 50px;
    }

    .education-card .icon-wrapper i {
        font-size: 1.5rem !important;
    }

    .education-card .card-body {
        padding: 1.25rem 1rem !important;
    }

    .display-4 {
        font-size: 2rem;
    }

    .lead {
        font-size: 1rem;
    }

    .py-5 {
        padding-top: 2.5rem !important;
        padding-bottom: 2.5rem !important;
    }

    .mb-5 {
        margin-bottom: 2rem !important;
    }

    .row.mt-5.pt-4 {
        margin-top: 2rem !important;
        padding-top: 1rem !important;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .project-card {
        margin-bottom: 1rem;
    }

    .accordion-button {
        font-size: 0.9rem;
        padding: 0.875rem;
    }

    .accordion-button .badge {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
    }

    .navbar-brand {
        font-size: 1rem;
    }

    .nav-link {
        padding: 0.5rem 0.75rem !important;
        font-size: 0.9rem;
    }

    .bi {
        font-size: inherit;
    }
}