/* Main Styles - Modern Portfolio Design */

/* ============================================
   LAYOUT
   ============================================ */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ============================================
   NAVBAR
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--spacing-md) 0;
    background: var(--glass-background);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-lg);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hamburger Menu */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    gap: 6px;
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.nav-toggle:hover {
    background-color: var(--color-surface);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-menu a {
    position: relative;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-light);
    padding: var(--spacing-xs) 0;
    transition: color var(--transition-fast);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-text);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

#theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    font-size: var(--font-size-xl);
    background: var(--color-surface);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

#theme-toggle:hover {
    background: var(--gradient-primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(64px + var(--spacing-4xl)) 0 var(--spacing-4xl);
    overflow: hidden;
    background: var(--gradient-hero);
}

[data-theme="light"] .hero {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
}

/* Animated Background Elements */
.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.hero-bg-shape:nth-child(1) {
    width: 600px;
    height: 600px;
    background: var(--color-primary);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.hero-bg-shape:nth-child(2) {
    width: 400px;
    height: 400px;
    background: var(--color-secondary);
    bottom: -100px;
    left: -100px;
    animation-delay: -5s;
}

.hero-bg-shape:nth-child(3) {
    width: 300px;
    height: 300px;
    background: var(--color-accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(30px, -30px) scale(1.05);
    }

    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }

    75% {
        transform: translate(-30px, -20px) scale(1.02);
    }
}

.hero .container {
    position: relative;
    z-index: var(--z-base);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

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

.hero-subtitle {
    display: inline-block;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-full);
}

.wave-emoji {
    display: inline-block;
    animation: wave 2.5s infinite;
    transform-origin: 70% 70%;
}

@keyframes wave {

    0%,
    60%,
    100% {
        transform: rotate(0deg);
    }

    10%,
    30% {
        transform: rotate(14deg);
    }

    20% {
        transform: rotate(-8deg);
    }

    40% {
        transform: rotate(-4deg);
    }

    50% {
        transform: rotate(10deg);
    }
}

[data-theme="light"] .hero-subtitle {
    color: var(--color-primary);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, var(--font-size-6xl));
    font-weight: var(--font-weight-extrabold);
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.hero-title .gradient-text {
    background: var(--gradient-text);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 8s ease infinite;
}

@keyframes gradient-shift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-xl);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-heading);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md), 0 0 0 0 rgba(139, 92, 246, 0.5);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(139, 92, 246, 0.1);
}

/* Profile Card */
.hero-visual {
    display: flex;
    justify-content: center;
}

.profile-card {
    position: relative;
    width: 350px;
    height: 350px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
}

.profile-card::before {
    content: '';
    position: absolute;
    inset: -4px;
    background: var(--gradient-primary);
    border-radius: inherit;
    z-index: -1;
    animation: rotate-glow 4s linear infinite;
}

.profile-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-accent);
    border-radius: inherit;
    z-index: -2;
    filter: blur(30px);
    opacity: 0.5;
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes rotate-glow {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes pulse-glow {

    0%,
    100% {
        opacity: 0.5;
        transform: scale(1);
    }

    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

.profile-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
}

/* ============================================
   SECTION COMMON STYLES
   ============================================ */

section {
    padding: var(--section-gap) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, var(--font-size-4xl));
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
}

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

.projects {
    background: var(--color-background-alt);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    position: relative;
    background: var(--color-surface-elevated);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.project-image {
    position: relative;
    aspect-ratio: 16 / 10;
    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(1.08);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.3) 50%, transparent 100%);
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    padding: var(--spacing-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.project-links {
    display: flex;
    gap: var(--spacing-sm);
}

.icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--glass-background);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    color: white;
    transition: all var(--transition-fast);
}

.icon-link:hover {
    background: var(--gradient-primary);
    transform: scale(1.1);
}

.project-content {
    padding: var(--spacing-lg);
}

.project-content h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.project-card:hover .project-content h3 {
    color: var(--color-primary);
}

.project-content p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-md);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--color-primary);
    color: white;
}

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

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.skill-category {
    position: relative;
    padding: var(--spacing-xl);
    background: var(--glass-background);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    overflow: hidden;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

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

.skill-category:hover::before {
    transform: scaleX(1);
}

.skill-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin-bottom: var(--spacing-lg);
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-2xl);
}

.skill-category h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.skill-category ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.skill-category li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) 0;
    transition: color var(--transition-fast);
}

.skill-category li::before {
    content: '▹';
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
}

.skill-category:hover li {
    color: var(--color-text);
}

/* ============================================
   LANGUAGE TOGGLE
   ============================================ */

#lang-toggle {
    background: none;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

#lang-toggle:hover {
    border-color: var(--color-primary);
    transform: scale(1.1);
}

/* ============================================
   GITHUB REPOS SECTION
   ============================================ */

.github-section {
    background: var(--color-background);
}

.github-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: var(--glass-background);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    min-width: 140px;
    transition: all var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
    border-color: var(--color-primary);
}

.stat-value {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.github-repos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.github-repo-card {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-xl);
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

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

.repo-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.repo-name {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    color: var(--color-text);
}

.repo-description {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.repo-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.repo-language,
.repo-stars,
.repo-forks {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.language-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.github-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-3xl);
    color: var(--color-text-muted);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.github-error {
    text-align: center;
    color: var(--color-text-muted);
    padding: var(--spacing-2xl);
}

.github-cta {
    text-align: center;
}

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

.contact {
    background: var(--color-background-alt);
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl) var(--spacing-2xl);
    background: var(--color-surface-elevated);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    min-width: 180px;
    transition: all var(--transition-base);
}

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

.contact-card svg {
    width: 40px;
    height: 40px;
    color: var(--color-primary);
    transition: transform var(--transition-fast);
}

.contact-card:hover svg {
    transform: scale(1.2);
}

.contact-card span {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

/* ============================================
   EXPERIENCE SECTION (Timeline)
   ============================================ */

.experience {
    background: var(--color-background);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: var(--spacing-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-2xl);
}

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

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--spacing-xl) - 8px);
    top: 0;
    width: 18px;
    height: 18px;
    background: var(--color-primary);
    border-radius: 50%;
    border: 4px solid var(--color-background);
    box-shadow: var(--shadow-glow);
}

.timeline-content {
    background: var(--color-surface-elevated);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.timeline-content:hover {
    transform: translateX(10px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.timeline-date {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    background: rgba(139, 92, 246, 0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-sm);
}

.timeline-content h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.timeline-company {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.timeline-content p:last-child {
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
    margin: 0;
}

/* ============================================
   CONTACT FORM
   ============================================ */

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-form {
    background: var(--color-surface-elevated);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    width: 100%;
}

.contact-info {
    text-align: center;
}

.contact-info h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
    color: var(--color-text);
}

.contact-info .contact-links {
    flex-direction: column;
    align-items: center;
}

.contact-info .contact-card {
    width: 100%;
    max-width: 280px;
    flex-direction: row;
    justify-content: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-xl);
}

.contact-info .contact-card svg {
    width: 32px;
    height: 32px;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    padding: var(--spacing-xl) 0;
    text-align: center;
    background: var(--color-background);
    border-top: 1px solid var(--color-border);
}

.footer p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.footer a {
    color: var(--color-primary);
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

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

.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}

.reveal-delay-4 {
    transition-delay: 0.4s;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Large Tablets and Small Desktops */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }

    .hero-content {
        max-width: 100%;
        order: 2;
    }

    .hero-visual {
        order: 1;
    }

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

    .profile-card {
        width: 280px;
        height: 280px;
    }

    .project-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablets */
@media (max-width: 768px) {
    :root {
        --container-padding: var(--spacing-md);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-lg);
        background: var(--color-background);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-menu.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-menu a {
        font-size: var(--font-size-2xl);
    }

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

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

    .contact-links {
        flex-direction: column;
        align-items: center;
    }

    .contact-card {
        width: 100%;
        max-width: 300px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .contact-info .contact-card {
        max-width: 100%;
    }

    .timeline {
        padding-left: var(--spacing-lg);
    }

    .timeline-marker {
        left: calc(-1 * var(--spacing-lg) - 8px);
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .profile-card {
        width: 220px;
        height: 220px;
    }

    section {
        padding: var(--spacing-3xl) 0;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .project-grid {
        gap: var(--spacing-lg);
    }

    .skill-category {
        padding: var(--spacing-lg);
    }
}

/* Large Screens */
@media (min-width: 1400px) {
    :root {
        --container-max: 1400px;
    }

    .project-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}