/* 
 * Portfolio - Reusable Components
 * Buttons, Cards, Inputs, Badges
 */

/* -------------------------
   Buttons
   ------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 1px solid transparent;
    line-height: 1.2;
}

.btn-primary {
    background-color: var(--primary-600);
    color: white;
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn-primary:hover {
    background-color: var(--primary-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    color: white;
}

.btn-primary:active {
    transform: translateY(0);
}

/* Project toggle buttons */
.project-toggle {
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    font-weight: 700;
    letter-spacing: 0.02em;
    transition: all 200ms ease;
}

.project-toggle.active,
.project-toggle:hover {
    background: var(--primary-600);
    color: #fff;
    border-color: var(--primary-600);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    border-color: var(--color-text-primary);
    background-color: var(--slate-50);
}

body.dark-mode .btn-outline:hover {
    background-color: var(--slate-800);
    color: white;
}

/* -------------------------
   Cards
   ------------------------- */
.card-modern {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card-modern:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    background-color: var(--color-bg-card-hover);
}

body.dark-mode .card-modern:hover {
    border-color: var(--primary-700);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

/* -------------------------
   Section Titles
   ------------------------- */
.section-header {
    text-align: center;
    margin-bottom: clamp(var(--space-8), 10vw, var(--space-16));
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-2);
}

.section-subtitle {
    color: var(--primary-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
    display: block;
}

/* -------------------------
   Badges / Tags
   ------------------------- */
.badge-modern {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    background-color: var(--slate-100);
    color: var(--slate-700);
    border: 1px solid var(--slate-200);
    white-space: nowrap;
}

@media (max-width: 576px) {
    .badge-group-hero {
        justify-content: center;
        gap: 0.5rem !important;
    }
}

body.dark-mode .badge-modern {
    background-color: var(--slate-800);
    color: var(--slate-300);
    border-color: var(--slate-700);
}

.badge-primary {
    background-color: var(--primary-50);
    color: var(--primary-700);
    border-color: var(--primary-200);
    padding: 0.35rem 0.85rem;
    font-weight: 600;
    font-size: 0.8rem;
    display: inline-block;
    border-radius: var(--radius-full);
}

body.dark-mode .badge-primary {
    background-color: rgba(249, 115, 22, 0.15);
    color: var(--primary-300);
    border-color: rgba(249, 115, 22, 0.3);
}

/* -------------------------
   Project Cards
   ------------------------- */
.card-project {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card-project:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-300);
}

.project-img-wrapper {
    position: relative;
    overflow: hidden;
    height: 240px;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card-project:hover .project-image {
    transform: scale(1.1);
}

.image-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.85);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1.5rem;
    opacity: 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}

.card-project:hover .image-overlay {
    opacity: 1;
}

.overlay-description {
    color: var(--slate-100);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    transform: translateY(20px);
    transition: transform 0.4s ease 0.1s;
}

.card-project:hover .overlay-description {
    transform: translateY(0);
}

/* -------------------------
   Timeline (Experience)
   ------------------------- */
.timeline-modern {
    position: relative;
    padding-left: 2rem;
    border-left: 2px solid var(--color-border);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -2.6rem;
    top: 0;
    width: 1.25rem;
    height: 1.25rem;
    background-color: var(--color-bg-surface);
    border: 2px solid var(--primary-500);
    border-radius: 50%;
    z-index: 1;
}

@media (max-width: 576px) {
    .timeline-modern {
        padding-left: 1.5rem;
    }

    .timeline-marker {
        left: -1.8rem;
        width: 1rem;
        height: 1rem;
    }
}

.timeline-content {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    border-color: var(--primary-300);
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

/* -------------------------
   Achievements / Certs
   ------------------------- */
.card-achievement {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem;
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
}

.card-achievement:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-300);
}

.achievement-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--slate-50);
    border-radius: 50%;
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
    color: var(--primary-600);
    transition: all var(--transition-normal);
}

.card-achievement:hover .achievement-icon {
    background-color: var(--primary-50);
    transform: scale(1.1);
}

/* -------------------------
   Feature Cards (Beyond Coding)
   ------------------------- */
.card-feature {
    position: relative;
    overflow: hidden;
    z-index: 1;
    border: 1px solid var(--color-border);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.card-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

body.dark-mode .card-feature::before {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
}

.card-feature:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -5px rgba(0, 0, 0, 0.1);
    border-color: transparent;
}

body.dark-mode .card-feature:hover {
    box-shadow: 0 20px 40px -5px rgba(0, 0, 0, 0.4);
}

.card-feature:hover::before {
    opacity: 1;
}

/* Gradient Borders on Hover */
.card-feature::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-xl);
    padding: 1px;
    background: linear-gradient(135deg, var(--primary-400), var(--secondary-400));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.card-feature:hover::after {
    opacity: 1;
}

.feature-icon-wrapper {
    width: 80px;
    height: 80px;
    background-color: var(--slate-50);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

body.dark-mode .feature-icon-wrapper {
    background-color: var(--slate-800);
}

.card-feature:hover .feature-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
    background-color: white;
    box-shadow: var(--shadow-md);
}

body.dark-mode .card-feature:hover .feature-icon-wrapper {
    background-color: var(--slate-700);
}

.feature-tags {
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.badge-subtle {
    background-color: transparent;
    border: 1px solid currentColor;
    opacity: 0.7;
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
}

.card-feature:hover .badge-subtle {
    opacity: 1;
}

/* Hover Overlay for subtle glow */
.hover-overlay {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.6s ease;
    pointer-events: none;
}

.card-feature:hover .hover-overlay {
    opacity: 1;
    transform: scale(1);
}