/*
===============================================
LAYOUTS - SECTION-SPECIFIC STYLING
===============================================
*/

/* ===== HOME SECTION ===== */

#home {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg,
            var(--color-bg-primary) 0%,
            var(--color-bg-secondary) 50%,
            var(--color-bg-primary) 100%);
    overflow: hidden;
    position: relative;
}

/* Animated Background Elements */
#home::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 20%,
            rgba(var(--color-primary-rgb), 0.1) 0%,
            transparent 50%),
        radial-gradient(circle at 80% 80%,
            rgba(var(--color-accent-rgb), 0.1) 0%,
            transparent 50%);
    animation: gradientShift 20s ease-in-out infinite alternate;
}

@keyframes gradientShift {
    0% {
        transform: rotate(0deg) scale(1);
    }

    100% {
        transform: rotate(5deg) scale(1.1);
    }
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: var(--space-12);
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

.hero-greeting {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-2);
    opacity: 0;
    animation: slideUp 0.8s ease-out 0.2s forwards;
}

.hero-title {
    font-size: clamp(var(--font-size-3xl), 8vw, var(--font-size-5xl));
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--space-4);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
    opacity: 0;
    animation: slideUp 0.8s ease-out 0.4s forwards;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    font-weight: var(--font-weight-medium);
    opacity: 0;
    animation: slideUp 0.8s ease-out 0.6s forwards;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--space-8);
    line-height: 1.7;
    opacity: 0;
    animation: slideUp 0.8s ease-out 0.8s forwards;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    opacity: 0;
    animation: slideUp 0.8s ease-out 1s forwards;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    opacity: 0;
    animation: slideUp 0.8s ease-out 1.2s forwards;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    display: block;
    margin-bottom: var(--space-1);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
}

.hero-image {
    position: relative;
    width: 400px;
    height: 400px;
    opacity: 0;
    animation: slideLeft 0.8s ease-out 0.4s forwards;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--color-primary);
    box-shadow: var(--shadow-xl);
}

.hero-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes slideLeft {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

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

/* ===== ABOUT SECTION ===== */

#about {
    background: var(--color-bg-secondary);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-12);
    align-items: start;
}

.about-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-content {
    padding: var(--space-6) 0;
}

.about-text {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.highlight-icon {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
}

.highlight-text {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

/* ===== SKILLS SECTION ===== */

.skills-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
}

.skills-content h3 {
    margin-bottom: var(--space-6);
    color: var(--color-primary);
}

.skills-content p {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.skill-categories {
    display: grid;
    gap: var(--space-6);
}

.skill-category h4 {
    margin-bottom: var(--space-4);
    color: var(--color-text-primary);
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.skill-tag {
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border: 1px solid var(--color-border-primary);
    transition: all var(--transition-base);
}

.skill-tag:hover {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
}

.skills-visual {
    display: grid;
    gap: var(--space-4);
}

.skill-item {
    background: var(--color-bg-secondary);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-primary);
}

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-3);
}

.skill-name {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.skill-level {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

.skill-bar {
    height: 8px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    width: 0%;
    transition: width 1s ease-out;
}

/* Skill levels */
.skill-progress.expert {
    width: 90%;
}

.skill-progress.advanced {
    width: 80%;
}

.skill-progress.intermediate {
    width: 70%;
}

.skill-progress.beginner {
    width: 50%;
}

/* ===== PROJECTS SECTION ===== */

#projects {
    background: var(--color-bg-secondary);
}

.projects-filters {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-12);
}

.filter-btn {
    padding: var(--space-2) var(--space-4);
    background: transparent;
    color: var(--color-text-muted);
    border: 2px solid var(--color-border-primary);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
}

.project-card {
    background: var(--color-bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    position: relative;
    opacity: 1;
    transform: scale(1);
}

.project-card.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

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

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

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg,
            rgba(var(--color-primary-rgb), 0.9),
            rgba(var(--color-accent-rgb), 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.project-link {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
    transition: all var(--transition-base);
}

.project-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.project-content {
    padding: var(--space-6);
}

.project-category {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
    margin-bottom: var(--space-2);
}

.project-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

.project-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.tech-tag {
    padding: var(--space-1) var(--space-3);
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    border: 1px solid var(--color-border-primary);
}

/* ===== EXPERIENCE SECTION ===== */

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border-primary);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-12);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.timeline-item:nth-child(even) {
    animation-delay: 0.2s;
}

.timeline-item:nth-child(odd) {
    animation-delay: 0.4s;
}

.timeline-content {
    position: relative;
    width: 45%;
    background: var(--color-bg-secondary);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border-primary);
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 55%;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 55%;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 20px;
    width: 0;
    height: 0;
    border: 15px solid transparent;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -30px;
    border-left-color: var(--color-bg-secondary);
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -30px;
    border-right-color: var(--color-bg-secondary);
}

.timeline-marker {
    position: absolute;
    left: 50%;
    top: 20px;
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    border: 4px solid var(--color-bg-primary);
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.timeline-date {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-2);
}

.timeline-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.timeline-company {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-4);
}

.timeline-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.timeline-skills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* ===== CONTACT SECTION ===== */

#contact {
    background: var(--color-bg-secondary);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
}

.contact-info h3 {
    margin-bottom: var(--space-6);
    color: var(--color-primary);
}

.contact-info p {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.contact-methods {
    display: grid;
    gap: var(--space-6);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-primary);
    transition: all var(--transition-base);
}

.contact-method:hover {
    border-color: var(--color-primary);
    transform: translateX(8px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
}

.contact-details h4 {
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
}

.contact-details p {
    color: var(--color-text-muted);
    margin: 0;
    font-size: var(--font-size-base);
}

.contact-form {
    background: var(--color-bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-primary);
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    margin-bottom: var(--space-6);
    color: var(--color-text-primary);
}

/* ===== RESPONSIVE LAYOUTS ===== */

/* Large Tablets and Small Desktops */
@media (max-width: 1279px) {
    .hero-container {
        gap: var(--space-8);
    }

    .hero-image {
        width: 320px;
        height: 320px;
    }

    .about-container {
        gap: var(--space-8);
    }

    .skills-container {
        gap: var(--space-8);
    }

    .contact-container {
        gap: var(--space-8);
    }
}

/* Tablets */
@media (max-width: 1023px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-6);
    }

    .hero-stats {
        justify-content: center;
    }

    .about-container {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .skills-container {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-content {
        width: calc(100% - 80px);
        margin-left: 80px !important;
    }

    .timeline-content::before {
        left: -30px !important;
        border-right-color: var(--color-bg-secondary) !important;
        border-left-color: transparent !important;
    }

    .timeline-marker {
        left: 20px;
        transform: none;
    }
}

/* Large Mobile */
@media (max-width: 767px) {
    .hero-image {
        width: 280px;
        height: 280px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .about-highlights {
        grid-template-columns: 1fr;
    }

    .projects-filters {
        flex-wrap: wrap;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: var(--space-6);
    }
}

/* Small Mobile */
@media (max-width: 639px) {
    #home {
        min-height: 90vh;
        padding-top: var(--space-8);
    }

    .hero-image {
        width: 240px;
        height: 240px;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    .projects-filters {
        justify-content: stretch;
    }

    .filter-btn {
        flex: 1;
        text-align: center;
    }

    .timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px !important;
        padding: var(--space-4);
    }

    .timeline-marker {
        width: 16px;
        height: 16px;
    }

    .contact-method {
        flex-direction: column;
        text-align: center;
        gap: var(--space-3);
    }

    .contact-icon {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-lg);
    }
}