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

:root {
    /* Green Forest Palette */
    --forest-green: #228B22;
    --dark-forest: #1B5E20;
    --medium-forest: #2E7D32;
    --light-forest: #4CAF50;
    --accent-forest: #66BB6A;
    
    /* Neutrals */
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --medium-gray: #6C757D;
    --dark-gray: #343A40;
    --black: #000000;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--forest-green), var(--dark-forest));
    --gradient-light: linear-gradient(135deg, var(--light-forest), var(--accent-forest));
    --gradient-overlay: linear-gradient(135deg, rgba(34, 139, 34, 0.9), rgba(27, 94, 32, 0.8));
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 30px 80px rgba(0, 0, 0, 0.2);
    --shadow-green: 0 10px 40px rgba(34, 139, 34, 0.3);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 50%;
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.7;
    color: var(--dark-gray);
    background: var(--white);
    overflow-x: hidden;
}

/* ============================================
   PDF/PRINT GENERATION STYLES
============================================ */
@media print {
    * {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
    
    /* Hide unwanted elements */
    .pdf-exclude,
    .hero-buttons,
    .navbar,
    #backToTop,
    #loader,
    .scroll-indicator,
    .custom-cursor,
    .nav-toggle,
    .back-to-top,
    .loader {
        display: none !important;
        visibility: hidden !important;
    }
    
    /* Page setup */
    @page {
        margin: 1cm;
        size: A4;
    }
    
    body {
        margin: 0;
        padding: 0;
        background: white !important;
        color: #333 !important;
        font-size: 12pt;
        line-height: 1.4;
    }
    
    /* Section spacing */
    section {
        page-break-inside: avoid;
        break-inside: avoid;
        margin-bottom: 20pt;
    }
    
    /* Avoid breaking these elements */
    .timeline-item,
    .portfolio-card,
    .education-card,
    .project-highlight,
    .feature-item,
    .skill-item,
    .company-item {
        page-break-inside: avoid;
        break-inside: avoid;
        margin-bottom: 10pt;
    }
    
    /* Typography for print */
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
        color: #228B22 !important;
    }
    
    .section-title {
        font-size: 18pt !important;
        margin-bottom: 15pt !important;
    }
    
    .section-subtitle {
        font-size: 10pt !important;
        margin-bottom: 5pt !important;
    }
    
    /* Hero section adjustments */
    .hero {
        background: white !important;
        padding: 20pt 0 !important;
    }
    
    .hero-image {
        display: block !important;
        text-align: center !important;
        margin-bottom: 15pt !important;
    }
    
    .profile-img {
        width: 120pt !important;
        height: 160pt !important;
        border: 2pt solid #228B22 !important;
    }
    
    /* Stats and content */
    .hero-stats {
        display: flex !important;
        justify-content: space-around !important;
        margin: 15pt 0 !important;
    }
    
    .stat-item {
        text-align: center !important;
    }
    
    /* Links */
    a {
        text-decoration: none !important;
        color: #228B22 !important;
    }
    
    /* Cards and containers */
    .timeline-card,
    .about-card,
    .contact-card {
        border: 1pt solid #ddd !important;
        padding: 10pt !important;
        margin-bottom: 10pt !important;
        background: white !important;
    }
    
    /* Footer */
    .footer {
        background: #228B22 !important;
        color: white !important;
        padding: 15pt !important;
        margin-top: 20pt !important;
    }
}

.printing .pdf-exclude {
    display: none !important;
}

/* ============================================
   LOADING SCREEN
============================================ */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: var(--transition-slow);
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
    color: var(--white);
}

.loader-logo {
    font-size: 4rem;
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: 1rem;
    animation: pulse 2s infinite;
}

.loader-text {
    font-size: 1.5rem;
    font-weight: 100;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.loader-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.loader-progress {
    height: 100%;
    background: var(--white);
    border-radius: 2px;
    animation: loading 3s ease-in-out;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes loading {
    0% { width: 0; }
    100% { width: 100%; }
}

/* ============================================
   NAVIGATION
============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition-smooth);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid rgba(34, 139, 34, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-text {
    color: var(--dark-gray);
}

.logo-accent {
    color: var(--accent-forest);
    margin-left: 0.2rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
    border-radius: 1px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--forest-green);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-gray);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* ============================================
   HERO SECTION
============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fffe 0%, #f0f9f3 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(34, 139, 34, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(27, 94, 32, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(76, 175, 80, 0.05) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

.hero-gradient {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(34, 139, 34, 0.05) 100%);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
    position: relative;
    z-index: 2;
}

.hero-image {
    text-align: center;
    position: relative;
}

.image-frame {
    position: relative;
    display: inline-block;
}

.profile-img {
    width: 280px;
    height: 400px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    object-position: center;
    border: 4px solid var(--white);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 2;
    transition: var(--transition-smooth);
}

.image-glow {
    display: none;
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
}

.title-line.accent {
    color: var(--forest-green);
    position: relative;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--forest-green);
    font-weight: 100;
    margin-bottom: 1.5rem;
    font-family: var(--font-display);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--medium-gray);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    font-weight: 300;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(34, 139, 34, 0.1);
    transition: var(--transition-smooth);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--forest-green);
    font-family: var(--font-display);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--medium-gray);
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition-smooth);
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-green);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px rgba(34, 139, 34, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--forest-green);
    border: 2px solid var(--forest-green);
}

.btn-secondary:hover {
    background: var(--forest-green);
    color: var(--white);
    transform: translateY(-3px);
}

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

.social-link {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--forest-green);
    font-size: 1.25rem;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(34, 139, 34, 0.1);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-green);
}

.scroll-indicator {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--medium-gray);
    z-index: 10;
}

.scroll-mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--forest-green);
    border-radius: 15px;
    position: relative;
    margin: 0 auto 1rem;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--forest-green);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s infinite;
}

.scroll-text {
    font-size: 0.9rem;
    font-weight: 500;
}

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

.hero {
    padding-bottom: calc(var(--spacing-xl) + 2rem);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.section-subtitle {
    font-size: 1rem;
    color: var(--forest-green);
    font-weight: 100;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    display: block;
}

.section-title {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 2rem;
    position: relative;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
    position: relative;
}

.section-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: var(--forest-green);
    border-radius: var(--radius-full);
    border: 3px solid var(--white);
}

/* ============================================
   ABOUT SECTION
============================================ */
.about {
    background: var(--light-gray);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(180deg, var(--white) 0%, transparent 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: start;
    position: relative;
    z-index: 2;
}

.about-card {
    background: var(--white);
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--gradient-primary);
}

.about-card-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 2rem;
    position: relative;
}

.about-card-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--medium-gray);
    font-weight: 300;
    margin-bottom: 1.5rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    border-left: 4px solid transparent;
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--forest-green);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.feature-content p {
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ============================================
   EDUCATION SECTION
============================================ */
.education {
    background: var(--white);
    position: relative;
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.education-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border-left: 6px solid var(--forest-green);
    transition: var(--transition-smooth);
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.education-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--dark-forest);
}

.education-card .card-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    flex-shrink: 0;
}

.education-card .card-content {
    flex: 1;
}

.degree-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.institution-name {
    color: var(--forest-green);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.education-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--medium-gray);
    font-size: 0.95rem;
}

.detail-item i {
    color: var(--forest-green);
    width: 16px;
}

.specialization {
    color: var(--medium-gray);
    font-style: italic;
    line-height: 1.6;
    background: rgba(34, 139, 34, 0.05);
    padding: 1rem;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--forest-green);
}

/* ============================================
   PROJECTS SECTION
============================================ */
.projects {
    background: var(--light-gray);
    position: relative;
}

.projects-content {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.project-highlight {
    background: var(--white);
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    gap: 2.5rem;
    align-items: flex-start;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.project-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--gradient-primary);
}

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

.project-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    flex-shrink: 0;
    transition: var(--transition-smooth);
}

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

.project-content {
    flex: 1;
}

.project-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
    font-family: var(--font-display);
}

.project-content p {
    color: var(--medium-gray);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.project-tag {
    background: rgba(34, 139, 34, 0.1);
    color: var(--forest-green);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.project-tag:hover {
    background: var(--forest-green);
    color: var(--white);
    transform: translateY(-2px);
}

/* ============================================
   EXPERIENCE SECTION
============================================ */
.experience {
    background: var(--white);
    position: relative;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, transparent, var(--forest-green), transparent);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 4rem;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.timeline-content {
    width: 55%;
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: auto;
    margin-left: -25px;
    text-align: right;
    padding-right: 2rem;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
    margin-right: -25px;
    text-align: left;
    padding-left: 2rem;
}

.timeline-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.timeline-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.timeline-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.card-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.company {
    color: var(--forest-green);
    font-weight: 600;
    font-size: 1.125rem;
    display: block;
    margin-bottom: 0.5rem;
}

.period {
    color: var(--medium-gray);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.25rem 0.75rem;
    background: rgba(34, 139, 34, 0.1);
    border-radius: 20px;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.card-description {
    color: var(--medium-gray);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.card-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.highlight-tag {
    padding: 0.5rem 1rem;
    background: rgba(34, 139, 34, 0.1);
    color: var(--forest-green);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.highlight-tag:hover {
    background: var(--forest-green);
    color: var(--white);
    transform: translateY(-2px);
}

/* ============================================
   PORTFOLIO SECTION
============================================ */
.portfolio {
    background: var(--light-gray);
    position: relative;
}

.portfolio-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
    padding: 3rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.portfolio-intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--gradient-primary);
}

.portfolio-intro-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
}

.portfolio-intro-text {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--medium-gray);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 2rem;
}

.portfolio-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.portfolio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--gradient-primary);
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    margin-bottom: 2rem;
    transition: var(--transition-smooth);
}

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

.card-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
    font-family: var(--font-display);
}

.card-description {
    color: var(--medium-gray);
    line-height: 1.7;
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.card-tag {
    color: var(--forest-green);
    font-weight: 600;
    font-style: italic;
    font-size: 1rem;
    position: relative;
}

.card-overlay {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(34, 139, 34, 0.05), transparent);
    transition: var(--transition-slow);
}

.portfolio-card:hover .card-overlay {
    left: 100%;
}

/* ============================================
   SKILLS SECTION
============================================ */
.skills {
    background: var(--white);
    position: relative;
}

.skills-container {
    max-width: 900px;
    margin: 0 auto;
}

.skills-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.skill-tab {
    padding: 1rem 2rem;
    background: transparent;
    border: 2px solid var(--forest-green);
    border-radius: var(--radius-lg);
    color: var(--forest-green);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.skill-tab.active,
.skill-tab:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-green);
}

.skill-category {
    display: none;
}

.skill-category.active {
    display: block;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.skill-item {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--forest-green);
    transition: var(--transition-smooth);
}

.skill-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.skill-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.skill-name {
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--dark-gray);
}

.skill-percentage {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--forest-green);
}

.skill-bar {
    height: 12px;
    background: rgba(34, 139, 34, 0.1);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 6px;
    width: 0;
    transition: width 2s ease-in-out;
    position: relative;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

.differential-card {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 3rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 2rem;
    box-shadow: var(--shadow-green);
    margin-top: 3rem;
}

.differential-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}

.differential-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    font-family: var(--font-display);
}

.differential-text {
    font-size: 1.125rem;
    line-height: 1.7;
    opacity: 0.95;
}

/* ============================================
   COMPANIES SECTION
============================================ */
.companies {
    padding: var(--spacing-xxl) 0;
    background: var(--white);
    position: relative;
}

.companies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.company-item {
    text-align: center;
    transition: var(--transition-smooth);
}

.company-item:hover {
    transform: translateY(-5px);
}

.company-logo {
    width: 150px;
    height: 150px;
    margin: 0 auto 1rem;
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.company-item:hover .company-logo {
    background: var(--white);
    border-color: var(--forest-green);
    box-shadow: var(--shadow-md);
}

.company-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition-smooth);
}

.company-item:hover .company-logo img {
    filter: grayscale(0%);
    opacity: 1;
}

.company-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin: 0;
}

@media (max-width: 768px) {
    .companies-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 2rem;
    }
    
    .company-logo {
        width: 100px;
        height: 100px;
        padding: 1rem;
    }
    
    .company-name {
        font-size: 0.875rem;
    }
}

/* ============================================
   CONTACT SECTION
============================================ */
.contact {
    background: var(--light-gray);
    position: relative;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact-card {
    background: var(--white);
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--gradient-primary);
}

.contact-card h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
}

.contact-card > p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--medium-gray);
    margin-bottom: 2.5rem;
}

.contact-details {
    margin-bottom: 2.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
}

.contact-item:hover {
    background: rgba(34, 139, 34, 0.05);
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-label {
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.25rem;
    display: block;
}

.contact-text a {
    color: var(--medium-gray);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.contact-text a:hover {
    color: var(--forest-green);
}

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

.social-btn {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: rgba(34, 139, 34, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--forest-green);
    text-decoration: none;
    font-size: 1.25rem;
    transition: var(--transition-smooth);
}

.social-btn:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: translateY(-3px) scale(1.05);
}

.contact-visual {
    position: relative;
    height: 400px;
}

.visual-element {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(1) {
    top: 20px;
    left: 20px;
    animation-delay: 0s;
}

.floating-card:nth-child(2) {
    top: 120px;
    right: 20px;
    animation-delay: 2s;
}

.floating-card:nth-child(3) {
    bottom: 20px;
    left: 50px;
    animation-delay: 4s;
}

.floating-card .card-content {
    text-align: center;
}

.floating-card i {
    font-size: 2rem;
    color: var(--forest-green);
    margin-bottom: 1rem;
    display: block;
}

.floating-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.floating-card p {
    color: var(--medium-gray);
    font-size: 0.95rem;
}

/* ============================================
   FOOTER
============================================ */
.footer {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.footer-logo .logo-accent {
    color: var(--accent-forest);
    font-weight: 100;
}

.footer-description {
    font-size: 1.125rem;
    line-height: 1.7;
    opacity: 0.9;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.footer-links a,
.footer-contact a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: block;
    margin-bottom: 0.75rem;
    transition: var(--transition-smooth);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--white);
    transform: translateX(5px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-social a:hover {
    background: var(--white);
    color: var(--forest-green);
    transform: translateY(-3px);
}

/* ============================================
   BACK TO TOP
============================================ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-green);
    transition: var(--transition-smooth);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 15px 50px rgba(34, 139, 34, 0.4);
}

/* ============================================
   ANIMATIONS & KEYFRAMES
============================================ */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-10px) rotate(1deg); }
    50% { transform: translateY(-5px) rotate(-1deg); }
    75% { transform: translateY(-15px) rotate(0.5deg); }
}

@keyframes glow {
    0% { transform: scale(1) rotate(0deg); opacity: 0.2; }
    100% { transform: scale(1.05) rotate(1deg); opacity: 0.4; }
}

@keyframes scroll-wheel {
    0% { transform: translateX(-50%) translateY(0); opacity: 1; }
    100% { transform: translateX(-50%) translateY(15px); opacity: 0; }
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ============================================
   RESPONSIVE DESIGN
============================================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 3rem;
        transition: var(--transition-smooth);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .timeline::before {
        left: 2rem;
    }
    
    .timeline-marker {
        left: 2rem;
    }
    
    .timeline-content {
        width: calc(100% - 5rem);
        margin-left: auto !important;
        text-align: left !important;
        padding-left: 3rem !important;
        padding-right: 0 !important;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .differential-card {
        flex-direction: column;
        text-align: center;
    }
    
    .education-grid {
        grid-template-columns: 1fr;
    }
    
    .education-card {
        flex-direction: column;
        text-align: center;
    }
    
    .project-highlight {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .profile-img {
        width: 200px;
        height: 280px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-card,
    .timeline-card,
    .portfolio-card,
    .contact-card {
        padding: 2rem;
    }
    
    .floating-card {
        position: static;
        margin-bottom: 1rem;
        animation: none;
    }
    
    .education-card,
    .project-highlight {
        padding: 1.5rem;
    }
    
    .degree-title {
        font-size: 1.25rem;
    }
    
    .project-content h3 {
        font-size: 1.5rem;
    }
}

/* ============================================
   UTILITY CLASSES
============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 2rem; }
.mb-4 { margin-bottom: 3rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 2rem; }
.mt-4 { margin-top: 3rem; }

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-smooth);
}

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

/* ============================================
   MOMENTS SECTION
============================================ */
.moments {
    padding: var(--spacing-xl) 0;
    background: var(--light-gray);
    position: relative;
    overflow: hidden;
}

.moments::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
}

.moments-carousel {
    margin-top: var(--spacing-lg);
}

.carousel-container {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    max-width: 1200px;
    margin: 0 auto;
}

.carousel-wrapper {
    overflow: hidden;
    border-radius: var(--radius-lg);
    flex: 1;
    box-shadow: var(--shadow-lg);
}

.carousel-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.carousel-slide {
    min-width: calc(33.333% - 8px);
    margin: 0 4px;
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--white);
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

.carousel-slide:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.carousel-slide img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
    transition: var(--transition-smooth);
}

.carousel-slide:hover img {
    transform: scale(1.05);
}

.carousel-btn {
    width: 50px;
    height: 50px;
    border: none;
    border-radius: var(--radius-full);
    background: var(--white);
    color: var(--forest-green);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
    position: relative;
    z-index: 2;
}

.carousel-btn:hover {
    background: var(--forest-green);
    color: var(--white);
    transform: scale(1.1);
    box-shadow: var(--shadow-green);
}

.carousel-btn:active {
    transform: scale(0.95);
}

.carousel-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.carousel-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: var(--spacing-md);
}

.pagination-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: var(--medium-gray);
    cursor: pointer;
    transition: var(--transition-fast);
    opacity: 0.5;
}

.pagination-dot:hover {
    opacity: 0.8;
    transform: scale(1.2);
}

.pagination-dot.active {
    background: var(--forest-green);
    opacity: 1;
    transform: scale(1.3);
    box-shadow: 0 0 10px rgba(34, 139, 34, 0.4);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .carousel-container {
        gap: var(--spacing-xs);
        padding: 0 var(--spacing-sm);
    }
    
    .carousel-slide {
        min-width: calc(50% - 6px);
        margin: 0 3px;
    }
    
    .carousel-slide img {
        height: 200px;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .carousel-slide {
        min-width: calc(100% - 4px);
        margin: 0 2px;
    }
    
    .carousel-container {
        padding: 0 var(--spacing-xs);
    }
    
    .moments {
        padding: var(--spacing-lg) 0;
    }
}