/* ===========================
   CSS Variables - Earthy Color Palette
   =========================== */
:root {
    /* Earthy Color Palette */
    --color-dark-1: #2C3333;
    --color-dark-2: #395B64;
    --color-light-1: #A5C9CA;
    --color-light-2: #E7F6F2;
    --color-accent-1: #00312C;
    --color-accent-2: #182F57;
    --color-accent-3: #50B6FE;
    
    /* Light Mode Colors */
    --bg-light: #E7F6F2;
    --text-light: #2C3333;
    --card-bg-light: #FFFFFF;
    --header-bg-light: rgba(231, 246, 242, 0.95);
    --accent-primary: #395B64;
    --accent-secondary: #50B6FE;
    
    /* Dark Mode Colors */
    --bg-dark: #1a1a1a;
    --text-dark: #E7F6F2;
    --card-bg-dark: #2C3333;
    --header-bg-dark: rgba(28, 28, 28, 0.95);
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    --spacing-compact: 3.75rem; /* 60px - For compact sections */
    --spacing-compact-sm: 3.125rem; /* 50px - For compact padding */
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===========================
   Reset & Base Styles
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-light);
    color: var(--text-light);
    line-height: 1.6;
    transition: var(--transition);
    overflow-x: hidden;
}

body.dark-mode {
    background-color: var(--bg-dark);
    color: var(--text-dark);
}

body.loaded {
    overflow: visible;
}

/* ===========================
   Loading Screen
   =========================== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
}

.loading-logo {
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
    animation: pulse-scale 1.5s ease-in-out infinite;
}

.logo-spinner {
    width: 100%;
    height: 100%;
    object-fit: contain;
    animation: rotate 2s linear infinite;
}

@keyframes pulse-scale {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.loading-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===========================
   Header
   =========================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--header-bg-light);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1.25rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

body.dark-mode .header {
    background-color: var(--header-bg-dark);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-image {
    height: 50px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo-image:hover {
    transform: scale(1.05) rotate(5deg);
}

.logo h1 {
    font-size: 1.75rem;
    font-weight: 400;
    font-family: var(--font-display);
    font-style: italic;
    color: var(--text-light);
    transition: var(--transition);
}

body.dark-mode .logo h1 {
    color: var(--text-dark);
}

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

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    margin: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

body.dark-mode .nav-link {
    color: var(--text-dark);
}

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

body.dark-mode .nav-link:hover {
    color: var(--accent-secondary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-primary);
    transition: width 0.3s ease;
}

body.dark-mode .nav-link::after {
    background-color: var(--accent-secondary);
}

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

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

.dark-mode-toggle {
    background: transparent;
    border: 2px solid var(--text-light);
    color: var(--text-light);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 1.1rem;
}

body.dark-mode .dark-mode-toggle {
    border-color: var(--text-dark);
    color: var(--text-dark);
}

.dark-mode-toggle:hover {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
    transform: rotate(20deg);
}

body.dark-mode .dark-mode-toggle:hover {
    background-color: var(--accent-secondary);
    border-color: var(--accent-secondary);
}

.lang-toggle {
    background: transparent;
    border: 2px solid var(--text-light);
    color: var(--text-light);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 0.85rem;
    font-weight: 600;
}

body.dark-mode .lang-toggle {
    border-color: var(--text-dark);
    color: var(--text-dark);
}

.lang-toggle:hover {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
    transform: scale(1.1);
}

body.dark-mode .lang-toggle:hover {
    background-color: var(--accent-secondary);
    border-color: var(--accent-secondary);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-light);
    transition: var(--transition);
    border-radius: 2px;
}

body.dark-mode .hamburger span {
    background-color: var(--text-dark);
}

/* ===========================
   Mobile Menu
   =========================== */
.mobile-menu {
    position: fixed;
    top: 75px;
    left: 0;
    right: 0;
    background-color: var(--header-bg-light);
    backdrop-filter: blur(10px);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

body.dark-mode .mobile-menu {
    background-color: var(--header-bg-dark);
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-nav-list {
    list-style: none;
    padding: var(--spacing-md);
}

.mobile-nav-list li {
    margin-bottom: var(--spacing-sm);
}

.mobile-nav-link {
    display: block;
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    font-size: 1.1rem;
    padding: var(--spacing-sm);
    transition: var(--transition);
    border-radius: 8px;
}

body.dark-mode .mobile-nav-link {
    color: var(--text-dark);
}

.mobile-nav-link:hover {
    color: var(--accent-primary);
    background-color: rgba(57, 91, 100, 0.1);
}

body.dark-mode .mobile-nav-link:hover {
    color: var(--accent-secondary);
    background-color: rgba(80, 182, 254, 0.1);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    padding-bottom: var(--spacing-xl);
    background: linear-gradient(135deg, var(--bg-light) 0%, rgba(165, 201, 202, 0.2) 100%);
}

body.dark-mode .hero {
    background: linear-gradient(135deg, var(--bg-dark) 0%, rgba(57, 91, 100, 0.2) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-text {
    animation: fadeInUp 0.8s ease;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: rgba(57, 91, 100, 0.1);
    border-radius: 50px;
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    font-weight: 500;
}

body.dark-mode .status-badge {
    background-color: rgba(80, 182, 254, 0.1);
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: #F59E0B;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.hero-title {
    margin-bottom: var(--spacing-md);
}

.hero-greeting {
    display: block;
    font-size: 2.5rem;
    font-weight: 300;
    font-family: var(--font-display);
    font-style: italic;
    margin-bottom: 0.5rem;
}

.hero-name {
    display: block;
    font-size: 4rem;
    font-weight: 900;
    font-family: var(--font-primary);
    letter-spacing: -2px;
    background: linear-gradient(135deg, var(--color-dark-2) 0%, var(--color-accent-3) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark-mode .hero-name {
    background: linear-gradient(135deg, var(--color-light-1) 0%, var(--color-accent-3) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: var(--spacing-md);
    opacity: 0.7;
    text-transform: uppercase;
}

.hero-description {
    font-size: 1.15rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.8;
    line-height: 1.8;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    text-decoration: none;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    font-size: 1rem;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--color-dark-1);
    color: white;
    box-shadow: 0 4px 15px rgba(44, 51, 51, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-dark-2);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(44, 51, 51, 0.4);
}

body.dark-mode .btn-primary {
    background-color: var(--accent-secondary);
    box-shadow: 0 4px 15px rgba(80, 182, 254, 0.3);
}

body.dark-mode .btn-primary:hover {
    background-color: #3da0e0;
    box-shadow: 0 6px 20px rgba(80, 182, 254, 0.4);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-light);
    border: 2px solid var(--text-light);
}

body.dark-mode .btn-outline {
    color: var(--text-dark);
    border-color: var(--text-dark);
}

.btn-outline:hover {
    background-color: var(--color-dark-2);
    color: white;
    border-color: var(--color-dark-2);
    transform: translateY(-2px);
}

body.dark-mode .btn-outline:hover {
    background-color: var(--accent-secondary);
    border-color: var(--accent-secondary);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease;
}

.profile-circle {
    position: relative;
    width: 450px;
    height: 450px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border: 8px solid rgba(165, 201, 202, 0.3);
    transition: var(--transition);
}

body.dark-mode .profile-circle {
    border-color: rgba(57, 91, 100, 0.5);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.profile-circle:hover {
    transform: scale(1.05);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.2);
}

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

/* ===========================
   Work Section
   =========================== */
.work {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-title.left-align {
    text-align: left;
    text-transform: lowercase;
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.8;
}

.work-categories {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.category-btn {
    padding: 0.75rem 1.5rem;
    background-color: transparent;
    border: 2px solid var(--color-dark-2);
    color: var(--color-dark-2);
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    font-family: var(--font-primary);
}

body.dark-mode .category-btn {
    border-color: var(--accent-secondary);
    color: var(--accent-secondary);
}

/* Fix: Category button active/hover state in dark mode needs better contrast */
.category-btn.active,
.category-btn:hover {
    background-color: var(--color-dark-2);
    color: white;
}

body.dark-mode .category-btn.active,
body.dark-mode .category-btn:hover {
    background-color: var(--accent-secondary);
    border-color: var(--accent-secondary);
    color: var(--bg-dark); /* Better contrast for selected state */
}

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

.project-card {
    background-color: var(--card-bg-light);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition-slow);
    opacity: 0;
    transform: translateY(30px);
}

body.dark-mode .project-card {
    background-color: var(--card-bg-dark);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(57, 91, 100, 0.25);
}

body.dark-mode .project-card:hover {
    box-shadow: 0 15px 40px rgba(80, 182, 254, 0.2);
}

.project-image {
    position: relative;
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--color-dark-2) 0%, var(--color-light-1) 100%);
    overflow: hidden;
}

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

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(44, 51, 51, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.project-view-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: white;
    color: var(--color-dark-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    text-decoration: none;
    transition: var(--transition);
}

.project-view-btn:hover {
    transform: scale(1.1);
    background-color: var(--accent-secondary);
    color: white;
}

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

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.project-description {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    opacity: 0.8;
}

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

.tag {
    padding: 0.35rem 0.75rem;
    background-color: rgba(57, 91, 100, 0.1);
    color: var(--color-dark-2);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

body.dark-mode .tag {
    background-color: rgba(80, 182, 254, 0.2);
    color: var(--accent-secondary);
}

/* ===========================
   About Section
   =========================== */
.about {
    padding: var(--spacing-xl) 0;
    background-color: var(--card-bg-light);
}

body.dark-mode .about {
    background-color: var(--bg-dark);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-photo-wrapper {
    position: relative;
    width: 400px;
    height: 400px;
    margin: 0 auto;
}

.about-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

body.dark-mode .about-photo {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.rotating-text-circle {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 180px;
    height: 180px;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.rotating-text-circle svg {
    width: 100%;
    height: 100%;
}

.rotating-text {
    fill: var(--color-dark-2);
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
}

body.dark-mode .rotating-text {
    fill: var(--accent-secondary);
}

.gear-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background-color: var(--color-dark-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

body.dark-mode .gear-icon {
    background-color: var(--accent-secondary);
}

.about-text {
    max-width: 600px;
}

.about-intro {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.about-description {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    opacity: 0.85;
}

/* ===========================
   Journey/Timeline Section
   =========================== */
/* ===========================
   My Journey Section - Horizontal Timeline
   =========================== */
.journey {
    padding: var(--spacing-compact) 0;
    background-color: var(--bg-light);
    overflow: hidden;
}

body.dark-mode .journey {
    background-color: var(--card-bg-dark);
}

.journey-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.timeline-horizontal-wrapper {
    position: relative;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 80px;
}

.timeline-horizontal-container {
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    padding: var(--spacing-compact-sm) 1.25rem;
    position: relative;
    /* Hide scrollbar but keep functionality */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.timeline-horizontal-container::-webkit-scrollbar {
    display: none;
}

.timeline-line-horizontal {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-dark-2) 0%, var(--accent-secondary) 50%, var(--color-accent-3) 100%);
    transform: translateY(-50%);
    z-index: 1;
}

body.dark-mode .timeline-line-horizontal {
    background: linear-gradient(90deg, var(--accent-secondary) 0%, var(--color-accent-3) 50%, var(--color-light-1) 100%);
}

.timeline-items-horizontal {
    display: flex;
    gap: 100px;
    padding: 0 50px;
    min-width: min-content;
}

.timeline-item-horizontal {
    position: relative;
    flex-shrink: 0;
    width: 350px;
    opacity: 0;
    transform: scale(0.9) translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.timeline-item-horizontal:nth-child(1) { transition-delay: 0.1s; }
.timeline-item-horizontal:nth-child(2) { transition-delay: 0.2s; }
.timeline-item-horizontal:nth-child(3) { transition-delay: 0.3s; }
.timeline-item-horizontal:nth-child(4) { transition-delay: 0.4s; }
.timeline-item-horizontal:nth-child(5) { transition-delay: 0.5s; }
.timeline-item-horizontal:nth-child(6) { transition-delay: 0.6s; }

.timeline-item-horizontal.timeline-visible {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.timeline-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background-color: var(--accent-secondary);
    border: 4px solid var(--bg-light);
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 0 0 0 rgba(80, 182, 254, 0.7);
    animation: pulse-dot 2s infinite;
}

body.dark-mode .timeline-dot {
    border-color: var(--bg-dark);
    background-color: var(--color-accent-3);
}

@keyframes pulse-dot {
    0% {
        box-shadow: 0 0 0 0 rgba(80, 182, 254, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(80, 182, 254, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(80, 182, 254, 0);
    }
}

.timeline-card-horizontal {
    background-color: var(--card-bg-light);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    margin-top: 120px;
    position: relative;
}

body.dark-mode .timeline-card-horizontal {
    background-color: var(--bg-dark);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.timeline-card-horizontal:hover {
    transform: translateY(-15px) rotateY(5deg);
    box-shadow: 0 20px 60px rgba(80, 182, 254, 0.3);
}

.timeline-item-horizontal.highlighted .timeline-card-horizontal {
    background: linear-gradient(135deg, rgba(57, 91, 100, 0.15) 0%, rgba(80, 182, 254, 0.15) 100%);
    border: 3px solid var(--accent-secondary);
}

.timeline-item-horizontal.current .timeline-card-horizontal {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(80, 182, 254, 0.15) 100%);
    border: 3px solid var(--color-accent-3);
}

.timeline-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
    z-index: 3;
}

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

.timeline-card-horizontal:hover .timeline-image img {
    transform: scale(1.1) rotate(2deg);
}

.timeline-year-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--color-dark-2);
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    z-index: 10;
}

body.dark-mode .timeline-year-badge {
    background-color: var(--accent-secondary);
    color: var(--bg-dark);
}

.timeline-content-horizontal {
    padding: 1.2rem;
}

.timeline-title-horizontal {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--color-dark-1);
}

body.dark-mode .timeline-title-horizontal {
    color: var(--text-dark);
}

.timeline-location {
    font-size: 0.9rem;
    color: var(--accent-secondary);
    font-weight: 500;
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.timeline-location::before {
    content: "\f3c5";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
}

.timeline-description-horizontal {
    font-size: 0.9rem;
    line-height: 1.5;
    opacity: 0.85;
    color: var(--text-light);
}

body.dark-mode .timeline-description-horizontal {
    color: var(--text-dark);
}

/* Navigation Buttons */
.timeline-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--color-dark-2);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 10;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

body.dark-mode .timeline-nav {
    background-color: var(--accent-secondary);
}

.timeline-nav:hover {
    background-color: var(--accent-secondary);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(80, 182, 254, 0.4);
}

body.dark-mode .timeline-nav:hover {
    background-color: var(--color-dark-2);
}

.timeline-nav-left {
    left: 10px;
}

.timeline-nav-right {
    right: 10px;
}

/* ===========================
   Year Timeline Section (2012-2026)
   =========================== */
.year-timeline-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-light);
    overflow: hidden;
}

body.dark-mode .year-timeline-section {
    background-color: var(--card-bg-dark);
}

.year-timeline-wrapper {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 0;
}

.year-timeline-line {
    position: relative;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--color-dark-2) 0%, var(--accent-secondary) 50%, var(--color-accent-3) 100%);
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

body.dark-mode .year-timeline-line {
    background: linear-gradient(90deg, var(--accent-secondary) 0%, var(--color-accent-3) 50%, var(--color-light-1) 100%);
}

.year-markers {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

.year-marker {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-dark-2);
    text-align: center;
    position: relative;
}

body.dark-mode .year-marker {
    color: var(--accent-secondary);
}

.year-marker::before {
    content: '';
    position: absolute;
    top: -26px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    background-color: var(--accent-secondary);
    border: 3px solid var(--bg-light);
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

body.dark-mode .year-marker::before {
    background-color: var(--color-accent-3);
    border-color: var(--card-bg-dark);
}

.year-logo-moving {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: var(--color-dark-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    animation: moveLogo 15s linear infinite;
    z-index: 10;
}

body.dark-mode .year-logo-moving {
    background-color: var(--accent-secondary);
}

.year-logo-icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

body.dark-mode .year-logo-icon {
    filter: brightness(0) invert(0);
}

@keyframes moveLogo {
    0% {
        left: 0%;
    }
    100% {
        left: calc(100% - 50px);
    }
}

/* Responsive adjustments for year timeline */
@media (max-width: 768px) {
    .year-markers {
        font-size: 0.9rem;
    }
    
    .year-marker {
        font-size: 1rem;
    }
    
    .year-marker::before {
        width: 10px;
        height: 10px;
    }
    
    .year-logo-moving {
        width: 40px;
        height: 40px;
    }
    
    @keyframes moveLogo {
        0% {
            left: 0%;
        }
        100% {
            left: calc(100% - 40px);
        }
    }
}

@media (max-width: 480px) {
    .year-marker {
        font-size: 0.85rem;
    }
    
    .year-marker::before {
        width: 8px;
        height: 8px;
    }
    
    .year-logo-moving {
        width: 35px;
        height: 35px;
    }
    
    @keyframes moveLogo {
        0% {
            left: 0%;
        }
        100% {
            left: calc(100% - 35px);
        }
    }
}

/* ===========================
   Services Section
   =========================== */
.services {
    padding: var(--spacing-xl) 0;
    background-color: var(--card-bg-light);
}

body.dark-mode .services {
    background-color: var(--bg-dark);
}

.services-list {
    max-width: 900px;
    margin: 0 auto;
}

.service-item {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) 0;
    border-bottom: 2px solid rgba(0, 0, 0, 0.1);
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-slow);
}

body.dark-mode .service-item {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.service-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-item:hover {
    background-color: rgba(57, 91, 100, 0.05);
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
    border-radius: 12px;
}

body.dark-mode .service-item:hover {
    background-color: rgba(80, 182, 254, 0.05);
}

.service-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark-2);
}

body.dark-mode .service-number {
    color: var(--accent-secondary);
}

.service-name {
    font-size: 1.5rem;
    font-weight: 600;
}

/* Fix: Service toggle (plus icon) needs proper color in dark mode hover state */
.service-toggle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: transparent;
    border: 2px solid var(--color-dark-2);
    color: var(--color-dark-2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 1.2rem;
}

body.dark-mode .service-toggle {
    border-color: var(--accent-secondary);
    color: var(--accent-secondary);
}

.service-toggle:hover {
    background-color: var(--color-dark-2);
    color: white;
    transform: rotate(90deg);
}

body.dark-mode .service-toggle:hover {
    background-color: var(--accent-secondary);
    color: var(--bg-dark); /* Better contrast for icon visibility */
}

.service-details {
    grid-column: 2 / -1;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.service-item.active .service-details {
    max-height: 200px;
    padding-top: var(--spacing-md);
}

.service-item.active .service-toggle i {
    transform: rotate(45deg);
}

/* ===========================
   Skills Section
   =========================== */
.skills {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, rgba(57, 91, 100, 0.05) 0%, rgba(165, 201, 202, 0.05) 100%);
}

body.dark-mode .skills {
    background: linear-gradient(135deg, rgba(44, 51, 51, 0.3) 0%, rgba(57, 91, 100, 0.2) 100%);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.skill-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background-color: var(--card-bg-light);
    border-radius: 16px;
    transition: var(--transition);
    opacity: 0;
    transform: scale(0.9);
    position: relative;
    overflow: hidden;
}

body.dark-mode .skill-card {
    background-color: var(--card-bg-dark);
}

.skill-card.visible {
    opacity: 1;
    transform: scale(1);
}

.skill-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 15px 40px rgba(57, 91, 100, 0.25);
}

body.dark-mode .skill-card:hover {
    box-shadow: 0 15px 40px rgba(80, 182, 254, 0.2);
}

.skill-icon-wrapper {
    position: relative;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skill-icon-wrapper i {
    font-size: 3.5rem;
    color: var(--color-dark-2);
    z-index: 2;
    position: relative;
    transition: var(--transition);
}

body.dark-mode .skill-icon-wrapper i {
    color: var(--accent-secondary);
}

.skill-card:hover .skill-icon-wrapper i {
    transform: scale(1.2) rotateY(360deg);
}

.skill-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, rgba(80, 182, 254, 0.4) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: var(--transition);
    animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0.6;
    }
}

.skill-card:hover .skill-glow {
    opacity: 1;
}

.skill-card span {
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
}

.skill-level {
    width: 100%;
    height: 6px;
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    overflow: hidden;
    margin-top: var(--spacing-sm);
}

body.dark-mode .skill-level {
    background-color: rgba(255, 255, 255, 0.1);
}

.skill-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-dark-2) 0%, var(--accent-secondary) 100%);
    width: 0;
    transition: width 1s ease 0.3s;
    border-radius: 10px;
}

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

/* ===========================
   Contact Section
   =========================== */
.contact {
    padding: var(--spacing-xl) 0;
    background-color: var(--card-bg-light);
}

body.dark-mode .contact {
    background-color: var(--card-bg-dark);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
}

.contact-info-section {
    padding-right: var(--spacing-lg);
}

.contact-intro {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.contact-details {
    margin-bottom: var(--spacing-lg);
}

.contact-detail-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition);
}

body.dark-mode .contact-detail-item {
    background-color: var(--bg-dark);
}

.contact-detail-item:hover {
    background-color: rgba(57, 91, 100, 0.1);
    transform: translateX(10px);
}

body.dark-mode .contact-detail-item:hover {
    background-color: rgba(80, 182, 254, 0.1);
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-dark-2) 0%, var(--accent-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.contact-detail-text h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    opacity: 0.7;
}

.contact-detail-text a,
.contact-detail-text p {
    color: var(--text-light);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: var(--transition);
}

body.dark-mode .contact-detail-text a,
body.dark-mode .contact-detail-text p {
    color: var(--text-dark);
}

.contact-detail-text a:hover {
    color: var(--accent-secondary);
}

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

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-dark-2) 0%, var(--accent-secondary) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    transform: translateY(-5px) rotate(10deg);
    box-shadow: 0 10px 25px rgba(57, 91, 100, 0.4);
}

body.dark-mode .social-link:hover {
    box-shadow: 0 10px 25px rgba(80, 182, 254, 0.3);
}

.contact-form-section {
    background-color: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

body.dark-mode .contact-form-section {
    background-color: var(--bg-dark);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

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

.form-group label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-light);
}

body.dark-mode .form-group label {
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    border: 2px solid rgba(57, 91, 100, 0.2);
    border-radius: 12px;
    font-family: var(--font-primary);
    font-size: 1rem;
    background-color: white;
    color: var(--text-light);
    transition: var(--transition);
}

body.dark-mode .form-group input,
body.dark-mode .form-group textarea {
    background-color: var(--card-bg-dark);
    color: var(--text-dark);
    border-color: rgba(80, 182, 254, 0.2);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-secondary);
    box-shadow: 0 0 0 4px rgba(80, 182, 254, 0.1);
}

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

.btn-submit {
    margin-top: var(--spacing-sm);
    justify-content: center;
}

/* ===========================
   Social Media Section (Bottom)
   =========================== */
.social-media-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-light);
    text-align: center;
}

body.dark-mode .social-media-section {
    background-color: var(--bg-dark);
}

.social-media-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.social-links-bottom {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background-color: var(--color-dark-1);
    color: white;
    padding: var(--spacing-lg) 0;
}

body.dark-mode .footer {
    background-color: #0d0d0d;
}

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

.footer-copyright {
    font-size: 0.95rem;
    opacity: 0.8;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--accent-secondary);
}

/* ===========================
   Accessibility & Focus States
   =========================== */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--accent-secondary);
    outline-offset: 2px;
}

body.dark-mode a:focus,
body.dark-mode button:focus,
body.dark-mode input:focus,
body.dark-mode textarea:focus,
body.dark-mode select:focus {
    outline-color: var(--color-accent-3);
}

/* Skip to main content link for screen readers */
.skip-to-main {
    position: absolute;
    left: -9999px;
    z-index: 999;
    padding: 1rem;
    background-color: var(--color-dark-2);
    color: white;
    text-decoration: none;
}

.skip-to-main:focus {
    left: 0;
    top: 0;
}

/* ===========================
   Animations
   =========================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .profile-circle {
        width: 350px;
        height: 350px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .section-title.left-align {
        text-align: center;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 968px) {
    .nav-list {
        display: none;
    }
    
    /* Keep dark mode toggle visible on mobile by moving it outside nav */
    .header-controls {
        display: flex !important;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-name {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    /* Timeline responsive */
    .timeline-horizontal-wrapper {
        padding: 0 60px;
    }
    
    .timeline-item-horizontal {
        width: 300px;
    }
    
    .timeline-nav {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
    }
    
    .hero-greeting {
        font-size: 2rem;
    }
    
    .hero-name {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .profile-circle {
        width: 280px;
        height: 280px;
    }
    
    .about-photo-wrapper {
        width: 300px;
        height: 300px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    /* Timeline responsive for tablets */
    .timeline-horizontal-wrapper {
        padding: 0 50px;
    }
    
    .timeline-item-horizontal {
        width: 280px;
    }
    
    .timeline-image {
        height: 180px;
    }
    
    .timeline-card-horizontal {
        margin-top: 100px;
    }
    
    .timeline-nav {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
    
    .timeline-nav-left {
        left: 5px;
    }
    
    .timeline-nav-right {
        right: 5px;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Social media section responsive */
    .social-media-title {
        font-size: 1.5rem;
    }
    
    .social-links-bottom {
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .logo-image {
        height: 40px;
    }
    
    .logo h1 {
        font-size: 1.4rem;
    }
    
    .hero-name {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .profile-circle {
        width: 240px;
        height: 240px;
    }
    
    /* Timeline mobile responsive */
    .timeline-horizontal-wrapper {
        padding: 0 40px;
    }
    
    .timeline-item-horizontal {
        width: 240px;
    }
    
    .timeline-items-horizontal {
        gap: 60px;
    }
    
    .timeline-image {
        height: 150px;
    }
    
    .timeline-card-horizontal {
        margin-top: 80px;
    }
    
    .timeline-title-horizontal {
        font-size: 1.2rem;
    }
    
    .timeline-nav {
        width: 35px;
        height: 35px;
        font-size: 0.8rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .social-links {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .social-links-bottom {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .social-media-title {
        font-size: 1.3rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}