/* ===================================
   DESIGN TOKENS - THEME
   =================================== */
:root {
    /* Light Theme - Clean & Calm */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f1f3f4;

    --text-primary: #1a1a1a;
    --text-secondary: #5f6368;
    --text-tertiary: #80868b;

    --accent: #1a73e8;
    --accent-hover: #1557b0;
    --accent-gradient: linear-gradient(135deg, #1a73e8 0%, #4d90fe 100%);

    --border: #e8eaed;
    --border-hover: #dadce0;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.12);

    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;

    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark {
    /* Dark Theme - Refined & Readable */
    --bg-primary: #0d0d0d;
    --bg-secondary: #141414;
    --bg-tertiary: #1a1a1a;

    --text-primary: #f5f5f5;
    --text-secondary: #a0a0a0;
    --text-tertiary: #707070;

    --accent: #4d90fe;
    --accent-hover: #75aaff;
    --accent-gradient: linear-gradient(135deg, #4d90fe 0%, #75aaff 100%);

    --border: #262626;
    --border-hover: #333333;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.6);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 16px;
}

body {
    font-family: 'Readex Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

/* Custom Scrollbar */
.content-wrapper::-webkit-scrollbar {
    width: 8px;
}

.content-wrapper::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

.content-wrapper::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 4px;
}

.content-wrapper::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    transition: var(--transition);
}

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

ul {
    list-style: none;
}

/* ===================================
   LOADING SCREEN
   =================================== */
.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.loader-circle {
    width: 60px;
    height: 60px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loader-text {
    display: flex;
    gap: 0.25rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.loader-letter {
    display: inline-block;
    animation: bounce 0.6s ease-in-out infinite;
}

.loader-letter:nth-child(1) { animation-delay: 0s; }
.loader-letter:nth-child(2) { animation-delay: 0.1s; }
.loader-letter:nth-child(3) { animation-delay: 0.2s; }
.loader-letter:nth-child(4) { animation-delay: 0.3s; }
.loader-letter:nth-child(5) { animation-delay: 0.4s; }
.loader-letter:nth-child(6) { animation-delay: 0.5s; }

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

/* ===================================
   PROGRESS BAR
   =================================== */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--accent-gradient);
    z-index: 1001;
    transition: width 0.1s ease;
}

/* ===================================
   TYPING ANIMATION
   =================================== */
.typing-text {
    color: var(--text-secondary);
}

.cursor {
    display: inline-block;
    color: var(--accent);
    animation: blink 1s infinite;
}

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

/* ===================================
   HEADER / NAVBAR
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
}

.navbar {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    gap: 1rem;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.desktop-nav {
    display: none;
    align-items: center;
    gap: 0.5rem;
}

.desktop-nav .nav-link {
    padding: 0.5rem 1rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius);
    transition: var(--transition);
}

.desktop-nav .nav-link:hover,
.desktop-nav .nav-link.active {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Theme Toggle */
.theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

.theme-toggle:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.theme-toggle i {
    font-size: 1rem;
    position: absolute;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.theme-toggle .fa-sun {
    opacity: 1;
    transform: rotate(0) scale(1);
}

.theme-toggle .fa-moon {
    opacity: 0;
    transform: rotate(90deg) scale(0);
}

.dark .theme-toggle .fa-sun {
    opacity: 0;
    transform: rotate(-90deg) scale(0);
}

.dark .theme-toggle .fa-moon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 0.5rem;
    border-radius: var(--radius);
    transition: var(--transition);
}

.mobile-menu-btn:hover {
    background: var(--bg-secondary);
}

.mobile-menu-btn span {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* Desktop Navigation */
@media (min-width: 768px) {
    .desktop-nav {
        display: flex;
    }

    .mobile-menu-btn {
        display: none;
    }
}

/* ===================================
   MOBILE MENU
   =================================== */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    z-index: 1001;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.mobile-menu {
    max-width: 400px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.close-btn {
    align-self: flex-end;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: var(--transition);
}

.close-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.mobile-profile {
    text-align: center;
    padding: 2rem 0 3rem;
}

.mobile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1rem;
}

.mobile-profile h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.mobile-profile p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition);
}

.mobile-nav-item:hover {
    background: var(--bg-tertiary);
    transform: translateX(4px);
}

.mobile-nav-item i {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* ===================================
   MAIN LAYOUT
   =================================== */
.app-container {
    min-height: 100vh;
    display: flex;
}

@media (min-width: 1024px) {
    .app-container {
        height: 100vh;
        overflow: hidden;
    }
}

/* Project Slider - Left Side */
.project-slider {
    order: 1;
    width: 100%;
    height: 50vh;
    min-height: 300px;
}

@media (min-width: 1024px) {
    .project-slider {
        position: sticky;
        top: 0;
        width: 50%;
        height: 100vh;
        min-height: 100vh;
    }
}

.slider-wrapper {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.slider-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.slide.active {
    opacity: 1;
    visibility: visible;
}

.slide-img,
.slide-video-container,
.slide-video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.9) 0%,
        rgba(0, 0, 0, 0.5) 50%,
        transparent 100%
    );
}

.slide-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    color: white;
}

.slide-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.slide-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.slide-description {
    font-size: 0.9375rem;
    opacity: 0.9;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Slider Controls */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
    z-index: 10;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.slider-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-50%) scale(1.05);
}

.slider-btn.prev {
    left: 1rem;
}

.slider-btn.next {
    right: 1rem;
}

/* Content Wrapper - Right Side */
.content-wrapper {
    order: 2;
    width: 100%;
    height: 100vh;
    overflow-y: auto;
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
}

@media (min-width: 1024px) {
    .content-wrapper {
        width: 50%;
    }
}

.content-inner {
    max-width: 680px;
    margin: 0 auto;
    padding: 0;
}

@media (min-width: 1024px) {
    .content-inner {
        padding: 0;
    }
}

/* ===================================
   CONTENT SECTIONS
   =================================== */
.content-section {
    min-height: 100vh;
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 6rem 1.5rem 4rem;
}

@media (min-width: 1024px) {
    .content-section {
        padding: 6rem 3rem 4rem;
    }
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.profile-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-info {
    flex: 1;
}

.profile-name {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.name-text {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    cursor: pointer;
    transition: var(--transition);
}

.name-text:hover {
    color: var(--accent);
}

/* Role Toggle - Interactive */
.role-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    overflow: hidden;
}

.role-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-hover);
}

.role-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    position: absolute;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.role-item.active {
    position: relative;
    opacity: 1;
    transform: translateY(0);
}

.role-item i {
    font-size: 0.875rem;
    color: var(--accent);
}

.profile-subtitle {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.profile-bio {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 1.125rem;
    transition: var(--transition);
}

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

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: var(--text-primary);
    color: var(--bg-primary);
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* ===================================
   SKILLS SECTION
   =================================== */
.section-heading {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

/* About Content */
.about-content {
    margin-bottom: 3rem;
}

.about-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (min-width: 640px) {
    .about-highlights {
        grid-template-columns: repeat(3, 1fr);
    }
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.highlight-item:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.highlight-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: var(--radius);
    color: var(--bg-primary);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.highlight-content h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.highlight-content p {
    font-size: 0.8125rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.skills-main-heading {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.skills-category {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.skill-category-item {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skill-category-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

@media (min-width: 480px) {
    .skills-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1rem;
    }
}

.skill-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-slow);
}

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

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

.skill-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-slow);
}

.skill-card:hover .skill-icon {
    transform: scale(1.1) rotate(5deg);
}

.skill-icon i {
    font-size: 2rem;
    color: var(--text-primary);
}

.skill-name {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-align: center;
}

/* Skill Progress Bar */
.skill-progress {
    width: 100%;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.skill-progress-bar {
    height: 100%;
    width: 0;
    background: var(--accent-gradient);
    border-radius: 2px;
    transition: width 1s ease-out;
}

.skill-card.visible .skill-progress-bar {
    width: var(--proficiency);
}

/* ===================================
   PROJECTS SECTION
   =================================== */
.project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.project-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-slow);
}

.project-card:hover::after {
    transform: scaleX(1);
}

.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.project-content {
    display: flex;
    flex-direction: column;
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.project-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.project-links {
    display: flex;
    gap: 0.5rem;
}

.project-link-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 1rem;
    transition: var(--transition);
}

.project-link-btn:hover {
    background: var(--accent);
    color: var(--bg-primary);
    transform: translateY(-2px);
}

.project-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.tag {
    padding: 0.375rem 0.875rem;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.tag:hover {
    background: var(--accent);
    color: var(--bg-primary);
    transform: translateY(-2px);
}

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--accent);
    transition: var(--transition);
    width: fit-content;
}

.btn-link:hover {
    color: var(--accent-hover);
    gap: 0.75rem;
}

/* ===================================
   MODAL
   =================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.modal {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    padding: 2.5rem;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}

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

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: var(--transition);
    z-index: 10;
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.modal-body {
    color: var(--text-primary);
}

.modal-body h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-body p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.modal-body .modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.modal-body .modal-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.modal-body .btn-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--text-primary);
    color: var(--bg-primary);
    border-radius: var(--radius);
    font-weight: 600;
    transition: var(--transition);
}

.modal-body .btn-link:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    color: var(--bg-primary);
}

/* ===================================
   CONTACT SECTION
   =================================== */
.section-intro {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9375rem;
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition);
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

.form-input:focus {
    outline: none;
    border-color: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.dark .form-input:focus {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 140px;
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--text-primary);
    color: var(--bg-primary);
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-weight: 600;
    transition: var(--transition);
    width: fit-content;
}

.btn-submit:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* ===================================
   FOOTER
   =================================== */
.footer-section {
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.footer-text {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    text-align: center;
}

/* ===================================
   SCROLL ANIMATIONS
   =================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   RESPONSIVE ADJUSTMENTS
   =================================== */

/* Tablet - Stack layout */
@media (max-width: 1023px) {
    .app-container {
        flex-direction: column;
    }

    .project-slider {
        position: relative;
        width: 100%;
        height: 45vh;
        min-height: 280px;
        order: 1;
    }

    .content-wrapper {
        width: 100%;
        height: auto;
        overflow-y: auto;
        order: 2;
    }

    .content-section {
        min-height: auto;
        scroll-snap-align: none;
        padding: 4rem 1.5rem 3rem;
    }

    .content-inner {
        padding: 0 1.5rem;
    }

    .slider-btn {
        width: 40px;
        height: 40px;
    }

    .slide-content {
        padding: 1.5rem;
    }

    .slide-title {
        font-size: 1.25rem;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .navbar {
        padding: 0.875rem 1rem;
    }

    .logo-text {
        font-size: 1.125rem;
    }

    .content-section {
        padding: 3rem 1rem 2.5rem;
    }

    .profile-header {
        gap: 1rem;
    }

    .profile-avatar {
        width: 64px;
        height: 64px;
    }

    .profile-name {
        font-size: 1.5rem;
    }

    .hero-title {
        font-size: 1.25rem;
    }

    .profile-bio {
        font-size: 0.9375rem;
    }

    .social-links {
        gap: 0.5rem;
    }

    .social-link {
        width: 40px;
        height: 40px;
    }

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

    .project-card {
        padding: 1.25rem;
    }

    .project-title {
        font-size: 1rem;
    }

    .form-input {
        padding: 0.75rem 0.875rem;
    }

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

/* ===================================
   BACK TO TOP BUTTON
   =================================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--text-primary);
    color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* ===================================
   FOOTER ENHANCEMENTS
   =================================== */
.footer-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1.125rem;
    transition: var(--transition);
}

.footer-social-link:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-primary);
    transform: translateY(-3px);
}