/* ===========================================
   CSS CUSTOM PROPERTIES & DESIGN TOKENS
   =========================================== */
:root {
    /* Color Palette - Light Mode */
    --color-primary:       hsl(235, 86%, 65%);
    --color-primary-light: hsl(235, 86%, 75%);
    --color-primary-dark:  hsl(235, 86%, 52%);
    --color-secondary:     hsl(340, 82%, 60%);
    --color-accent:        hsl(190, 85%, 50%);

    --color-text-primary:   hsl(222, 22%, 12%);
    --color-text-secondary: hsl(222, 10%, 44%);
    --color-text-tertiary:  hsl(222, 8%, 62%);

    --color-bg-primary:   hsl(0, 0%, 100%);
    --color-bg-secondary: hsl(222, 20%, 97%);
    --color-bg-tertiary:  hsl(222, 18%, 94%);

    --color-border:  hsl(222, 14%, 88%);
    --color-shadow:  hsla(222, 22%, 12%, 0.08);

    /* Gradients */
    --gradient-primary:   linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    --gradient-glow:      radial-gradient(circle at 50% 50%, var(--color-primary) 0%, transparent 70%);
    --gradient-hero:      linear-gradient(135deg, hsl(235, 86%, 65%) 0%, hsl(190, 85%, 50%) 100%);

    /* Spacing */
    --spacing-xs:  0.5rem;
    --spacing-sm:  1rem;
    --spacing-md:  1.5rem;
    --spacing-lg:  2rem;
    --spacing-xl:  3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Outfit', sans-serif;

    --font-size-xs:   0.75rem;
    --font-size-sm:   0.875rem;
    --font-size-base: 1rem;
    --font-size-lg:   1.125rem;
    --font-size-xl:   1.25rem;
    --font-size-2xl:  1.5rem;
    --font-size-3xl:  2rem;
    --font-size-4xl:  2.5rem;
    --font-size-5xl:  3.25rem;

    /* Border Radius */
    --radius-sm:   0.375rem;
    --radius-md:   0.5rem;
    --radius-lg:   0.75rem;
    --radius-xl:   1rem;
    --radius-2xl:  1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm:   0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md:   0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg:   0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl:   0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
}

/* ===========================================
   DARK MODE
   =========================================== */
[data-theme="dark"] {
    --color-primary:       hsl(235, 86%, 70%);
    --color-primary-light: hsl(235, 86%, 80%);
    --color-primary-dark:  hsl(235, 86%, 58%);

    --color-text-primary:   hsl(0, 0%, 95%);
    --color-text-secondary: hsl(222, 8%, 72%);
    --color-text-tertiary:  hsl(222, 6%, 55%);

    --color-bg-primary:   hsl(222, 20%, 8%);
    --color-bg-secondary: hsl(222, 18%, 12%);
    --color-bg-tertiary:  hsl(222, 16%, 18%);

    --color-border:  hsl(222, 14%, 22%);
    --color-shadow:  hsla(0, 0%, 0%, 0.35);
}

/* ===========================================
   RESET & BASE
   =========================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.65;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    transition: background-color var(--transition-base), color var(--transition-base);
    overflow-x: hidden;
    width: 100%;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ===========================================
   UTILITY CLASSES
   =========================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: var(--color-bg-secondary);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-xs);
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

/* ===========================================
   PARTICLE CANVAS
   =========================================== */
.particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
}

/* ===========================================
   NAVIGATION
   =========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: all var(--transition-base);
}

[data-theme="dark"] .navbar {
    background: rgba(14, 17, 28, 0.85);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.85rem var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-logo {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex-shrink: 0;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(10px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-10px);
}

.theme-toggle {
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    border: 1.5px solid var(--color-border);
}

.theme-toggle:hover {
    background: var(--color-bg-tertiary);
    transform: scale(1.05);
}

.sun-icon  { display: block; }
.moon-icon { display: none; }

[data-theme="dark"] .sun-icon  { display: none; }
[data-theme="dark"] .moon-icon { display: block; }

.nav-menu {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    padding: 0.5rem var(--spacing-lg);
    background: var(--color-bg-primary);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-full);
}

[data-theme="dark"] .nav-menu {
    background: var(--color-bg-secondary);
}

.nav-link {
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    position: relative;
    padding: 0.3rem 0;
}

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

.nav-link:hover {
    color: var(--color-text-primary);
}

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

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

/* ===========================================
   HERO SECTION
   =========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -15%;
    width: 60%;
    height: 130%;
    background: var(--gradient-glow);
    opacity: 0.07;
    filter: blur(80px);
    pointer-events: none;
    animation: float 18s ease-in-out infinite;
    z-index: 0;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33%       { transform: translate(25px, -25px) rotate(4deg); }
    66%       { transform: translate(-15px, 15px) rotate(-4deg); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInLeft 0.9s ease-out;
}

@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to   { opacity: 1; transform: translateX(0); }
}

.greeting {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    animation: fadeIn 0.9s ease-out 0.15s backwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.hero-title {
    font-family: var(--font-display);
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
    animation: fadeIn 0.9s ease-out 0.25s backwards;
}

/* Typewriter line */
.hero-typewriter {
    font-size: var(--font-size-2xl);
    color: var(--color-text-secondary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    animation: fadeIn 0.9s ease-out 0.35s backwards;
    min-height: 2rem;
}

.typewriter-word {
    color: var(--color-primary);
}

.typewriter-cursor {
    color: var(--color-primary);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0; }
}

.hero-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 520px;
    line-height: 1.75;
    animation: fadeIn 0.9s ease-out 0.45s backwards;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    animation: fadeIn 0.9s ease-out 0.55s backwards;
}

.hero-image {
    animation: fadeInRight 0.9s ease-out 0.3s backwards;
    position: relative;
    z-index: 1;
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(40px); }
    to   { opacity: 1; transform: translateX(0); }
}

.image-wrapper {
    position: relative;
    max-width: 420px;
    margin: 0 auto;
}

.profile-img {
    width: 100%;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 1;
    transition: transform var(--transition-slow);
}

.profile-img:hover {
    transform: scale(1.02) translateY(-6px);
}

.image-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 85%;
    height: 85%;
    background: var(--gradient-primary);
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.25;
    z-index: 0;
    animation: pulse 3.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.25; transform: translate(-50%, -50%) scale(1); }
    50%       { opacity: 0.4;  transform: translate(-50%, -50%) scale(1.12); }
}

/* Floating Badges */
.float-badge {
    position: absolute;
    background: var(--color-bg-primary);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 0.5rem 0.85rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    box-shadow: var(--shadow-md);
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    animation: floatBadge 4s ease-in-out infinite;
    backdrop-filter: blur(8px);
}

.float-badge--top {
    top: 8%;
    right: -10%;
    animation-delay: 0s;
}

.float-badge--bottom {
    bottom: 10%;
    left: -10%;
    animation-delay: 2s;
}

.float-badge--left {
    top: 38%;
    left: -16%;
    animation-delay: 1s;
}

.float-badge--right {
    bottom: 28%;
    right: -16%;
    animation-delay: 3s;
}

@keyframes floatBadge {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-8px); }
}

/* Social Icons */
.hero-social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    animation: fadeIn 0.9s ease-out 0.65s backwards;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    background: var(--color-bg-secondary);
    border: 1.5px solid var(--color-border);
    color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.social-icon:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
}

/* Visitor Widget */
.visitor-widget {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    animation: fadeIn 0.9s ease-out 0.75s backwards;
}

.visitor-greeting {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-bg-secondary);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 0.5rem var(--spacing-md);
    width: fit-content;
}

.visitor-input-row {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    max-width: 460px;
}

.visitor-input-row input {
    flex: 1;
    min-width: 180px;
    padding: 0.5rem var(--spacing-md);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    font-family: inherit;
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
}

.visitor-input-row input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.visit-timer {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    font-variant-numeric: tabular-nums;
}

.visit-timer span {
    font-weight: 700;
    color: var(--color-primary);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2.2s ease-in-out infinite;
    z-index: 1;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%       { transform: translateX(-50%) translateY(-10px); }
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-text-tertiary);
    border-radius: 15px;
    position: relative;
}

.mouse::before {
    content: '';
    width: 4px;
    height: 8px;
    background: var(--color-text-tertiary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% { opacity: 0; transform: translateX(-50%) translateY(0); }
    50%       { opacity: 1; transform: translateX(-50%) translateY(8px); }
}

/* ===========================================
   BUTTONS
   =========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.02em;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    transform: translate(-50%, -50%);
    transition: width 0.5s ease, height 0.5s ease;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.45);
}

.btn-secondary {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border: 1.5px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-submit {
    width: 100%;
    position: relative;
}

.btn-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-bottom-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.btn-submit.loading .btn-text { display: none; }
.btn-submit.loading .btn-spinner { display: inline-block; }

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

/* ===========================================
   SECTION SHARED STYLES
   =========================================== */
section {
    padding: var(--spacing-3xl) 0;
    position: relative;
    z-index: 1;
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 70px;
    height: 4px;
    background: var(--gradient-primary);
    margin: var(--spacing-md) auto 0;
    border-radius: var(--radius-full);
}

.section-subtitle {
    text-align: center;
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* ===========================================
   STATS SECTION
   =========================================== */
.stats-section {
    background: var(--gradient-primary);
    padding: var(--spacing-xl) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    text-align: center;
}

.stat-item {
    color: white;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.4rem;
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.85;
    font-weight: 500;
}

/* ===========================================
   EXPERIENCE / TIMELINE
   =========================================== */
.experience {
    background: var(--color-bg-secondary);
}

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

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

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: calc(50% + 2.5rem);
    position: relative;
    margin-bottom: var(--spacing-2xl);
}

.timeline-item--left {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: calc(50% + 2.5rem);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 1.5rem;
    transform: translateX(-50%);
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: 3px solid var(--color-bg-secondary);
    box-shadow: 0 0 0 3px var(--color-primary);
    z-index: 2;
}

.timeline-dot--edu {
    background: var(--gradient-secondary);
    box-shadow: 0 0 0 3px var(--color-secondary);
}

.timeline-card {
    background: var(--color-bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    max-width: 480px;
    width: 100%;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease, box-shadow var(--transition-base);
}

.timeline-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.timeline-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.timeline-card--edu {
    border-color: hsl(340, 82%, 80%);
}

[data-theme="dark"] .timeline-card--edu {
    border-color: hsl(340, 82%, 30%);
}

.timeline-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.timeline-icon {
    font-size: 1.75rem;
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1.5px solid var(--color-border);
}

.timeline-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.timeline-org {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: 600;
}

.timeline-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

/* Bullet-list variant (used for CV experience entries) */
.timeline-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-md) 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.timeline-list li {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.65;
    padding-left: 1.25rem;
    position: relative;
}

.timeline-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-size: 0.7rem;
    top: 0.2rem;
}

.timeline-list strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

/* Inline "Part-time" badge next to title */
.timeline-type {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 0.15rem 0.55rem;
    margin-left: 0.5rem;
    border-radius: var(--radius-full);
    background: hsl(235, 86%, 94%);
    color: var(--color-primary);
    vertical-align: middle;
    border: 1px solid hsl(235, 86%, 80%);
}

[data-theme="dark"] .timeline-type {
    background: hsl(235, 40%, 22%);
    border-color: hsl(235, 60%, 35%);
}

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

/* ===========================================
   PROJECTS SECTION & FILTERS
   =========================================== */
.projects {
    background: var(--color-bg-primary);
}

.projects-filter {
    margin-bottom: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.search-wrapper {
    position: relative;
    width: 100%;
    max-width: 600px;
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-tertiary);
    pointer-events: none;
    transition: color var(--transition-fast);
}

#projectSearch {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 3rem;
    background: var(--color-bg-secondary);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    font-family: inherit;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

#projectSearch:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-bg-primary);
    box-shadow: var(--shadow-md), 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.filter-sort-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    width: 100%;
}

.filter-buttons {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    background: var(--color-bg-secondary);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    font-family: inherit;
}

.filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.sort-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.sort-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

#projectSort {
    padding: 0.5rem 1.25rem;
    background: var(--color-bg-secondary);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: inherit;
}

#projectSort:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.project-card {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border);
    cursor: pointer;
}

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

.project-card:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

.project-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.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 */
.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
    backdrop-filter: blur(4px);
}

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

.overlay-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    background: white;
    color: var(--color-primary);
    font-weight: 700;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-lg);
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
    transform: translateY(10px);
    transition: transform var(--transition-base), background var(--transition-fast);
}

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

.overlay-btn:hover {
    background: var(--gradient-primary);
    color: white;
}

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

.project-title {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.project-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.65;
    font-size: var(--font-size-sm);
}

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

.tag {
    padding: 0.3rem 0.75rem;
    background: var(--color-bg-tertiary);
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid hsl(235, 86%, 88%);
    letter-spacing: 0.02em;
}

[data-theme="dark"] .tag {
    border-color: hsl(235, 50%, 30%);
}

/* ===========================================
   PROJECT MODALS
   =========================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    backdrop-filter: blur(6px);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: var(--color-bg-primary);
    border-radius: var(--radius-2xl);
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl), 0 0 60px rgba(99, 102, 241, 0.2);
    position: relative;
    transform: scale(0.88) translateY(20px);
    transition: transform var(--transition-slow);
    border: 1px solid var(--color-border);
}

.modal-overlay.active .modal-container {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    background: var(--color-bg-secondary);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 3;
    transition: all var(--transition-fast);
    color: var(--color-text-secondary);
    line-height: 1;
}

.modal-close:hover {
    background: var(--color-secondary);
    color: white;
    border-color: var(--color-secondary);
    transform: scale(1.1);
}

.modal-image {
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.modal-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-body {
    padding: var(--spacing-xl);
}

.modal-category {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.modal-title {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.modal-body p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.75;
    font-size: var(--font-size-sm);
}

.modal-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.modal-meta {
    display: flex;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
}

.modal-meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.meta-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.modal-meta-item > span:last-child {
    font-weight: 700;
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
}

/* ===========================================
   SKILLS SECTION
   =========================================== */
.skills {
    background: var(--color-bg-secondary);
}

.skills-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.skills-main-title {
    font-family: var(--font-display);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

/* Skill Bars */
.skill-bars {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.skill-bar-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skill-bar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-bar-name {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

.skill-bar-pct {
    font-weight: 700;
    font-size: var(--font-size-sm);
    color: var(--color-primary);
}

.skill-bar-track {
    width: 100%;
    height: 8px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.skill-bar-fill.animate {
    width: var(--target-width);
}

/* Skill Cards Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.skill-card {
    background: var(--color-bg-primary);
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: var(--radius-xl);
    border: 1.5px solid var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-align: center;
    transition: all var(--transition-base);
    cursor: default;
}

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

.skill-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.skill-name {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

/* ===========================================
   GITHUB ACTIVITY SECTION
   =========================================== */
.github {
    background: var(--color-bg-primary);
}

.github-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: var(--color-bg-secondary);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-xs);
    letter-spacing: 0.08em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

.github-repos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

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

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

.repo-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.repo-icon   { font-size: 1.5rem; }

.repo-name {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.repo-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    min-height: 2.8rem;
    line-height: 1.5;
}

.repo-stats {
    display: flex;
    gap: var(--spacing-md);
    margin-top: auto;
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-sm);
}

.repo-stat {
    display: flex;
    align-items: center;
    gap: 4px;
}

.repo-link {
    display: flex;
    align-items: center;
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
    margin-left: auto;
}

.repo-link:hover {
    color: var(--color-primary);
}

.loading-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-3xl) 0;
    color: var(--color-text-tertiary);
}

.loader {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-bg-tertiary);
    border-bottom-color: var(--color-primary);
    border-radius: 50%;
    display: inline-block;
    animation: spin 0.9s linear infinite;
    margin-bottom: var(--spacing-md);
}

.error-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(239, 68, 68, 0.05);
    border: 1px dashed hsla(0, 84%, 60%, 0.4);
    border-radius: var(--radius-lg);
    color: #ef4444;
}

.error-state svg {
    margin-bottom: var(--spacing-sm);
}

/* ===========================================
   CONTACT SECTION
   =========================================== */
.contact {
    background: var(--color-bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.contact-form {
    background: var(--color-bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem var(--spacing-md);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-bg-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 130px;
}

.field-error {
    display: block;
    font-size: var(--font-size-xs);
    color: hsl(0, 76%, 55%);
    margin-top: 0.3rem;
    font-weight: 500;
    min-height: 1.2em;
}

.char-count {
    text-align: right;
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-md);
    margin-top: -0.75rem;
}

.form-status {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    display: none;
    animation: slideUpStatus 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes slideUpStatus {
    from { opacity: 0; transform: translateY(15px) scale(0.95); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.form-status.success {
    display: block;
    background: hsl(142, 76%, 90%);
    color: hsl(142, 76%, 30%);
}

[data-theme="dark"] .form-status.success {
    background: hsl(142, 40%, 20%);
    color: hsl(142, 76%, 70%);
}

.form-status.error {
    display: block;
    background: hsl(0, 76%, 93%);
    color: hsl(0, 76%, 40%);
}

[data-theme="dark"] .form-status.error {
    background: hsl(0, 40%, 20%);
    color: hsl(0, 76%, 70%);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-item {
    background: var(--color-bg-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

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

.info-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.info-text h4 {
    font-weight: 700;
    font-size: var(--font-size-sm);
    margin-bottom: 0.2rem;
}

.info-text p,
.info-text a {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    word-break: break-all;
}

.info-text a:hover {
    color: var(--color-primary);
}

.availability-badge {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 1.25rem;
    background: hsl(142, 76%, 94%);
    border: 1.5px solid hsl(142, 76%, 75%);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: hsl(142, 60%, 30%);
    margin-top: var(--spacing-sm);
}

[data-theme="dark"] .availability-badge {
    background: hsl(142, 40%, 14%);
    border-color: hsl(142, 60%, 25%);
    color: hsl(142, 70%, 65%);
}

.availability-dot {
    width: 10px;
    height: 10px;
    background: hsl(142, 76%, 45%);
    border-radius: 50%;
    animation: ping 2s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes ping {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
    50%       { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

/* ===========================================
   FOOTER
   =========================================== */
.footer {
    background: var(--color-bg-primary);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-left .footer-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--font-size-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-left .footer-tagline {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-top: 0.2rem;
}

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

.social-links {
    display: flex;
    gap: var(--spacing-lg);
}

.social-links a {
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    color: var(--color-primary);
}

/* ===========================================
   BACK TO TOP BUTTON
   =========================================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(99, 102, 241, 0.5);
}

/* ===========================================
   FORM VALIDATION STATES
   =========================================== */
.is-invalid {
    border-color: hsl(0, 76%, 55%) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12) !important;
    animation: shake 0.35s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25%       { transform: translateX(-5px); }
    75%       { transform: translateX(5px); }
}

/* ===========================================
   RESPONSIVE DESIGN
   =========================================== */
@media (max-width: 1024px) {
    .skills-layout {
        grid-template-columns: 1fr;
    }

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

    .timeline::before {
        left: 1.5rem;
    }

    .timeline-item,
    .timeline-item--left {
        justify-content: flex-start;
        padding-right: 0;
        padding-left: 4rem;
    }

    .timeline-dot {
        left: 1.5rem;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.2rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.6rem;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .navbar {
        padding: 0;
    }

    .nav-container {
        gap: 0;
        padding: 0.6rem var(--spacing-sm);
        max-width: 100%;
    }

    .nav-logo {
        font-size: var(--font-size-lg);
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg-primary);
        border: none;
        border-top: 1.5px solid var(--color-border);
        border-bottom: 1.5px solid var(--color-border);
        border-radius: 0;
        padding: 0;
        gap: 0;
        transform: none;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        transition: max-height 0.3s ease-out, opacity 0.3s ease-out, visibility 0.3s;
    }

    [data-theme="dark"] .nav-menu {
        background: var(--color-bg-primary);
    }

    .nav-menu.active {
        max-height: 500px;
        padding: var(--spacing-md) 0;
        opacity: 1;
        visibility: visible;
    }

    .nav-menu li {
        width: 100%;
        text-align: center;
        padding: var(--spacing-sm) 0;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-image {
        order: -1;
        display: flex;
        justify-content: center;
    }

    .image-wrapper {
        max-width: 280px;
        margin-bottom: var(--spacing-xl);
    }

    .float-badge {
        display: none;
    }

    .hero-buttons,
    .hero-social {
        justify-content: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .visitor-widget {
        align-items: center;
    }

    .visitor-input-row {
        justify-content: center;
    }

    .scroll-indicator {
        display: none;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
    }

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

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

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

    .github-repos-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .back-to-top {
        bottom: 1.25rem;
        right: 1.25rem;
        width: 42px;
        height: 42px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

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

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

    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }

    .modal-container {
        border-radius: var(--radius-xl);
    }

    .modal-body {
        padding: var(--spacing-lg);
    }

    .modal-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .timeline-card {
        max-width: 100%;
    }
}