/* Modern Portfolio Landing Page - 2025 Design Trends */

/* CSS Custom Properties for Theme Management */
:root {
    /* Kamil's Brand Colors - Minimalist Professional Theme */
    --primary-dark: #000000;
    --primary-medium: #333333;
    --primary-light: #555555;
    --accent-gray: #ABABAB;
    --accent-highlight: #000000;

    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* Typography */
    --font-primary: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-secondary: 'Inter', system-ui, sans-serif;

    /* Font display optimization */
    --font-display: swap;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 3rem;
    --space-3xl: 4.5rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.3);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Default Mode Colors */
    --bg-primary: var(--gray-50);
    --bg-secondary: var(--gray-100);
    --bg-tertiary: var(--gray-200);
    --text-primary: var(--primary-dark);
    --text-secondary: var(--gray-700);
    --border-color: var(--gray-300);
}

/* Reset and Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    font-display: var(--font-display);
}

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

/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-medium));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

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

.loading-logo-container {
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.loading-logo {
    width: 100%;
    height: auto;
    animation: rotateHorizontal 2s ease-in-out infinite;
}

@keyframes rotateHorizontal {
    0% {
        transform: rotateY(0deg) scale(1);
    }

    25% {
        transform: rotateY(90deg) scale(0.95);
    }

    50% {
        transform: rotateY(180deg) scale(1);
    }

    75% {
        transform: rotateY(270deg) scale(0.95);
    }

    100% {
        transform: rotateY(360deg) scale(1);
    }
}

/* Alternative pulse and flip animation */
@keyframes logoFlip {

    0%,
    100% {
        transform: perspective(400px) rotateY(0) scale(1);
    }

    50% {
        transform: perspective(400px) rotateY(180deg) scale(1.1);
    }
}

#loading-screen p {
    color: var(--white);
    font-family: var(--font-primary);
    font-weight: 500;
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 999;
    transition: all var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    transform: translateY(0);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand a {
    text-decoration: none;
    display: flex;
    align-items: center;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.logo-wrapper {
    height: 50px;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.brand-logo {
    height: 250px;
    width: auto;
    display: block;
    transition: transform var(--transition-fast);
    margin-top: -50px;
    margin-bottom: -50px;
}

.brand-logo:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
    align-items: center;
}

.nav-item {
    position: relative;
}

/* Set specific min-widths for each nav item to prevent shifting */
.nav-item:nth-child(1) .nav-link {
    min-width: 70px;
}

/* Home */
.nav-item:nth-child(2) .nav-link {
    min-width: 75px;
}

/* About */
.nav-item:nth-child(3) .nav-link {
    min-width: 115px;
}

/* Experience */
.nav-item:nth-child(4) .nav-link {
    min-width: 95px;
}

/* Services */
.nav-item:nth-child(5) .nav-link {
    min-width: 90px;
}

/* Reviews */
.nav-item:nth-child(6) .nav-link {
    min-width: 90px;
}

/* Contact */

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
    display: inline-block;
    text-align: center;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-dark);
    font-weight: 600;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-dark);
    transition: all var(--transition-fast);
    transform: translateX(-50%);
}

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

/* Mobile Navigation */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition-fast);
    border-radius: 3px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Section Styles */
section {
    position: relative;
    overflow: hidden;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    width: 50px;
    height: 3px;
    background: var(--primary-dark);
    transform: translateX(-50%);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0 auto;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 50%, var(--gray-200) 100%);
    color: var(--text-primary);
    overflow: hidden;
    padding-top: 100px;
    /* Add space for fixed navbar */
    padding-bottom: var(--space-xl);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: var(--radius-xl);
    background: rgba(171, 171, 171, 0.1);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    right: 10%;
    animation-delay: 0s;
    transform: rotate(45deg);
}

.shape-2 {
    width: 200px;
    height: 200px;
    bottom: 20%;
    left: 5%;
    animation-delay: 2s;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 0;
}

.shape-3 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 30%;
    animation-delay: 4s;
    transform: rotate(30deg);
}

@keyframes float {

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

    33% {
        transform: translateY(-20px) rotate(120deg);
    }

    66% {
        transform: translateY(-10px) rotate(240deg);
    }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.title-line {
    display: block;
    opacity: 0;
    animation: slideUp 0.8s ease-out forwards;
}

.title-line:nth-child(1) {
    animation-delay: 0.2s;
}

.title-line:nth-child(2) {
    animation-delay: 0.4s;
}

.title-line:nth-child(3) {
    animation-delay: 0.6s;
}

.highlight {
    background: linear-gradient(90deg, var(--primary-dark), var(--primary-medium));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: 1.5rem;
    line-height: 1.6;
    margin-bottom: var(--space-md);
    font-weight: 500;
    color: var(--primary-medium);
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--space-xl);
    color: var(--text-secondary);
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    background: var(--primary-medium);
    box-shadow: var(--shadow-xl);
}

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

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

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    animation: cardFloat 3s ease-in-out infinite;
    box-shadow: var(--shadow-xl);
}

@keyframes cardFloat {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

.profile-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto var(--space-md);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-medium));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--white);
    box-shadow: var(--shadow-lg);
}

.image-placeholder {
    color: var(--white);
    font-size: 3rem;
}

.initials {
    color: var(--white);
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 2rem;
    letter-spacing: 0.1em;
}

.floating-card h2 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
}

.floating-card p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    font-weight: 500;
}

/* Hero Social Links Styling */
.floating-card .social-links {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.floating-card .social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.floating-card .social-link:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-dark);
}

.floating-card .social-link i {
    font-size: 1.1rem;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--primary-dark);
    border-radius: 1px;
    position: relative;
    animation: scrollBounce 2s infinite;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: -3px;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--primary-dark);
    border-bottom: 2px solid var(--primary-dark);
    transform: rotate(45deg);
}

@keyframes scrollBounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-10px);
    }

    60% {
        transform: translateY(-5px);
    }
}

/* About Section */
.about {
    padding: var(--space-2xl) 0;
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.text-block {
    margin-bottom: var(--space-xl);
}

.text-block h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.text-block p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.skills-showcase h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-md);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

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

.skill-item i {
    font-size: 2rem;
    color: var(--primary-dark);
    margin-bottom: var(--space-xs);
}

.skill-item span {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.skill-item.skill-link {
    text-decoration: none !important;
    color: inherit;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.stat-item {
    text-align: center;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

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

.stat-number {
    display: block;
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Experience Timeline Section */
.experience {
    padding: var(--space-2xl) 0;
    background: var(--bg-primary);
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding-left: 2rem;
}

/* Static timeline line - hidden, we'll use .timeline-line instead */
.timeline::before {
    display: none;
}

/* New animated timeline line */
.timeline-line {
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg,
            var(--primary-dark) 0%,
            var(--primary-medium) 50%,
            var(--border-color) 100%);
    opacity: 0.4;
}

/* Moving dot that follows scroll */
.timeline-dot-moving {
    position: absolute;
    left: 1rem;
    top: 20px;
    width: 18px;
    height: 18px;
    background: var(--primary-dark);
    border-radius: 50%;
    transform: translateX(-50%);
    border: 3px solid var(--white);
    box-shadow:
        0 0 0 3px var(--primary-dark),
        0 4px 15px rgba(0, 0, 0, 0.3);
    z-index: 10;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.timeline-dot {
    position: absolute;
    left: -0.5rem;
    top: 0.5rem;
    width: 1rem;
    height: 1rem;
    background: var(--primary-dark);
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 0 3px var(--primary-dark);
}

.timeline-content {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 1rem;
    width: 0;
    height: 0;
    border: 10px solid transparent;
    border-right-color: var(--bg-primary);
}

.timeline-content:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-dark);
    background: var(--gray-50);
}

.timeline-date {
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.timeline-title {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    line-height: 1.4;
}

.timeline-subtitle {
    font-size: 1rem;
    font-weight: 500;
    color: var(--primary-medium);
    margin-bottom: var(--space-md);
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.timeline-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.timeline-tech span {
    background: var(--gray-100);
    color: var(--primary-dark);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.timeline-tech span:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: translateY(-1px);
}

/* Education Section */
.education {
    padding: var(--space-md) 0 var(--space-xl) 0;
    position: relative;
    background: var(--bg-primary);
    overflow: hidden;
}

.education .section-header {
    margin-bottom: 0;
    animation: fadeInUp 0.6s ease-out;
}

.education .section-title {
    animation: fadeInUp 0.6s ease-out;
}

.education .section-subtitle {
    animation: fadeInUp 0.8s ease-out;
}

.education-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    opacity: 0.5;
}

.education-content {
    display: flex;
    justify-content: center;
    margin: var(--space-xl) 0 var(--space-xl) 0;
    position: relative;
    z-index: 2;
}

.diploma-card {
    position: relative;
    background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-xxl) var(--space-xxl) calc(var(--space-xxl) + 60px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border: 2px solid var(--primary-dark);
    animation: diplomaEntry 1s ease-out;
    max-width: 900px;
    width: 100%;
    transition: all var(--transition-normal);
    z-index: 2;
}

.diploma-card:hover {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

@keyframes diplomaEntry {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.degree-details {
    display: grid;
    gap: var(--space-md);
    margin: var(--space-lg) auto var(--space-xl);
    max-width: 650px;
    padding: 0 var(--space-xl);
}

.degree-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary-dark);
    animation: slideInLeft 0.6s ease-out backwards;
    transition: all var(--transition-normal);
    position: relative;
    z-index: 3;
    user-select: text;
    cursor: default;
}

.degree-item:nth-child(1) {
    animation-delay: 0.2s;
}

.degree-item:nth-child(2) {
    animation-delay: 0.3s;
}

.degree-item:nth-child(3) {
    animation-delay: 0.4s;
}

.degree-item:nth-child(4) {
    animation-delay: 0.5s;
}

.degree-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
    border-left-width: 5px;
}

.degree-label {
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.degree-value {
    font-weight: 600;
    color: var(--text-primary);
    text-align: right;
    margin-left: var(--space-md);
}

.diploma-seal {
    position: absolute;
    bottom: 20px;
    right: 40px;
    width: 80px;
    height: 80px;
}

.seal-inner {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-medium));
    color: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transform: rotate(-15deg);
    animation: sealFloat 3s ease-in-out infinite;
}

@keyframes sealFloat {

    0%,
    100% {
        transform: rotate(-15deg) translateY(0) scale(1);
        filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
    }

    50% {
        transform: rotate(-15deg) translateY(-10px) scale(1.1);
        filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.3));
    }
}

.seal-inner i {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.seal-inner span {
    font-weight: 700;
    font-size: 0.875rem;
}

.floating-books {
    position: absolute;
    top: 50%;
    right: -100px;
    transform: translateY(-50%);
    z-index: 1;
}

.book {
    position: absolute;
    width: 40px;
    height: 60px;
    background: linear-gradient(90deg, #2c3e50 0%, #34495e 5%, #ecf0f1 5%, #ecf0f1 95%, #34495e 95%, #2c3e50 100%);
    border-radius: 3px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    animation: bookFloat 4s ease-in-out infinite;
}

.book-1 {
    transform: rotate(-20deg);
    animation-delay: 0s;
}

.book-2 {
    top: 80px;
    left: 20px;
    transform: rotate(15deg);
    animation-delay: 1s;
}

.book-3 {
    top: -60px;
    left: 40px;
    transform: rotate(-10deg);
    animation-delay: 2s;
}

@keyframes bookFloat {

    0%,
    100% {
        transform: translateY(0) rotate(var(--rotation, 0deg));
        opacity: 0.7;
    }

    50% {
        transform: translateY(-20px) rotate(var(--rotation, 0deg));
        opacity: 1;
    }
}

/* Services Section */
.services {
    padding: var(--space-2xl) 0;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

/* About Section */
.about {
    padding: var(--space-2xl) 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

/* Contact Section */
.contact {
    padding: var(--space-2xl) 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

/* Ensure content appears above floating shapes */
.about .container,
.services .container,
.contact .container {
    position: relative;
    z-index: 2;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
    opacity: 1;
    transform: translateY(0) scale(1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.03), transparent);
    transition: left var(--transition-slow);
}

.service-card:hover::before {
    left: 100%;
}

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

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-medium));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    color: var(--white);
    font-size: 1.5rem;
}

.service-card h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.service-features {
    list-style: none;
}

.service-features li {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--space-xs);
    position: relative;
    padding-left: var(--space-md);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-dark);
    font-weight: bold;
}

/* Testimonials Section */
.testimonials {
    padding: var(--space-2xl) 0;
    background: var(--bg-secondary);
}

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

.testimonial-track {
    display: flex;
    transition: transform var(--transition-slow);
}

.testimonial-card {
    min-width: 100%;
    opacity: 0;
    transition: opacity var(--transition-normal);
    margin: 0 var(--space-md);
}

.testimonial-card.active {
    opacity: 1;
}

.testimonial-content {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    position: relative;
    margin: var(--space-md) 0;
    box-shadow: var(--shadow-sm);
}

.testimonial-content::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-bottom: none;
    border-right: none;
    transform: translateX(-50%) rotate(45deg);
}

.stars {
    display: flex;
    justify-content: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
    padding: var(--space-sm) 0;
}

.stars i {
    color: #fbbf24;
    font-size: 1.25rem;
}

.testimonial-text {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: var(--space-xl);
    padding: 0 var(--space-md);
}

.client-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    margin-top: var(--space-md);
}

.client-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-medium));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-primary);
}

.client-details h3 {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.client-details span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.testimonial-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
}

.nav-btn {
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
}

.nav-btn:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: scale(1.1);
}

.testimonial-dots {
    display: flex;
    gap: var(--space-md);
    align-items: center;
    justify-content: center;
}

.dot {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: var(--gray-300);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-width: 44px;
    min-height: 44px;
}

.dot::before {
    content: '';
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: inherit;
    transition: all var(--transition-fast);
}

.dot.active {
    background: var(--primary-dark);
}

.dot.active::before {
    background: var(--primary-dark);
    transform: scale(1.2);
}

.dot:hover {
    background: var(--gray-400);
}

.dot:hover::before {
    background: var(--gray-400);
}

.dot.active:hover {
    background: var(--primary-medium);
}

.dot.active:hover::before {
    background: var(--primary-medium);
}

.dot:focus {
    outline: 2px solid var(--primary-dark);
    outline-offset: 2px;
}

.dot:focus:not(:focus-visible) {
    outline: none;
}

/* Contact Section */
.contact {
    padding: var(--space-2xl) 0;
    background: var(--bg-secondary);
}

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
    max-width: 800px;
    margin: 0 auto;
}

.contact-item {
    text-align: center;
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-medium);
}

.contact-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-medium));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    margin: 0 auto var(--space-md);
}

.contact-item h3 {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: 1.1rem;
}

.contact-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.4;
}

.subtle-link {
    color: inherit;
    text-decoration: none;
    transition: all var(--transition-fast);
    border-bottom: 1px solid transparent;
}

.subtle-link:hover {
    color: var(--primary-dark);
    border-bottom-color: var(--primary-dark);
}

/* Footer specific subtle link styling */
.footer .subtle-link:hover {
    color: var(--primary-light);
    border-bottom-color: var(--primary-light);
}

/* Footer */
.footer {
    position: relative;
    overflow: hidden;
    padding: var(--space-3xl) 0 var(--space-lg) 0;
}

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

.footer-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #000000 50%, #2a2a2a 100%);
}

.footer-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(171, 171, 171, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(171, 171, 171, 0.05) 0%, transparent 50%);
    background-size: 400px 400px, 300px 300px;
}

.footer>.container {
    position: relative;
    z-index: 2;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand {
    color: #ffffff;
}

.logo-wrapper-footer {
    height: 60px;
    overflow: hidden;
    display: flex;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.brand-logo-footer {
    height: 250px;
    width: auto;
    display: block;
    margin-top: -60px;
    margin-bottom: -60px;
    margin-left: -10px;
}

.footer-brand h3 {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    color: #ffffff;
}

.brand-tagline {
    color: var(--gray-300);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: var(--space-md);
}

.brand-description {
    color: #e5e5e5;
    line-height: 1.6;
    font-size: 1rem;
}

.footer-links-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.footer-column h3 {
    font-family: var(--font-primary);
    font-weight: 600;
    color: #ffffff;
    margin-bottom: var(--space-lg);
    font-size: 1.2rem;
    position: relative;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-medium));
    border-radius: 2px;
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-link {
    color: #d1d5db;
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
    padding: var(--space-xs) 0;
    position: relative;
    overflow: hidden;
}

.footer-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(171, 171, 171, 0.1), transparent);
    transition: left var(--transition-fast);
}

.footer-link:hover {
    color: #ffffff;
    transform: translateX(5px);
}

.footer-link:hover::before {
    left: 100%;
}

.footer-social {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: #d1d5db;
    text-decoration: none;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.social-link i {
    font-size: 1.1rem;
    width: 18px;
}

.footer-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gray-700), transparent);
    margin-bottom: var(--space-lg);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #b3b3b3;
    font-size: 0.9rem;
}

.footer-location {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-location i {
    color: var(--primary-medium);
}

/* Floating Action Button */
.floating-action {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    z-index: 1000;
}

.fab-main {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-medium));
    color: var(--white);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    position: relative;
    z-index: 1001;
}

.fab-main:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
}

.fab-main.active {
    transform: rotate(45deg);
}

.fab-options {
    position: absolute;
    bottom: 70px;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-fast);
}

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

.fab-option {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-fast);
    position: relative;
}

.fab-option:hover {
    transform: scale(1.1);
    background: var(--primary-dark);
    color: var(--white);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--space-lg);
    right: calc(var(--space-lg) + 80px);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-normal);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.back-to-top:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Height-based responsive adjustments for smaller screens */
@media (max-height: 800px) {
    .hero {
        padding-top: 80px;
        min-height: calc(100vh - 20px);
    }

    .hero-title {
        font-size: clamp(2rem, 7vw, 3.5rem);
    }

    .hero-content {
        gap: var(--space-xl);
    }

    .floating-card {
        padding: var(--space-lg);
    }
}

@media (max-height: 700px) {
    .hero {
        min-height: auto;
        padding: 80px 0 var(--space-xl);
    }

    .scroll-indicator {
        display: none;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }

    .timeline {
        padding-left: 1rem;
    }

    .timeline::before {
        left: 0.5rem;
    }

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

    .timeline-dot {
        left: -0.25rem;
    }

    .timeline-content::before {
        left: -8px;
        border-width: 8px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        max-width: 400px;
    }

    /* Testimonials mobile adjustments */
    .testimonials-slider {
        padding: var(--space-md) var(--space-sm);
    }

    .testimonial-card {
        margin: 0;
        min-width: 100%;
    }

    .testimonial-content {
        padding: var(--space-lg);
        text-align: center;
    }

    .client-info {
        justify-content: center;
    }

    .nav-buttons {
        gap: var(--space-md);
    }

    .nav-btn {
        width: 48px;
        height: 48px;
        min-width: 48px;
        min-height: 48px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }
}

/* Medium resolution adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
    .testimonial-track {
        gap: var(--space-md);
    }
}

@media (max-width: 768px) {
    .diploma-seal {
        display: none;
    }

    .diploma-card {
        padding-bottom: var(--space-xxl);
    }

    .nav-menu {
        position: fixed;
        top: -500px;
        left: 0;
        width: 100%;
        background: var(--bg-primary);
        flex-direction: column;
        gap: var(--space-sm);
        padding: var(--space-lg) 0;
        border-top: 1px solid var(--border-color);
        transition: transform var(--transition-normal);
        box-shadow: var(--shadow-lg);
        transform: translateY(0);
    }

    .nav-menu.active {
        transform: translateY(calc(500px + 90px));
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

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

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero {
        padding-top: 140px;
    }

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

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

    .timeline-tech span {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
    }

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

    .back-to-top {
        bottom: var(--space-md);
        right: calc(var(--space-md) + 70px);
    }

    .floating-action {
        bottom: var(--space-md);
        right: var(--space-md);
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }

    .footer-links-section {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .footer-bottom-content {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

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

    .timeline {
        padding-left: 0.5rem;
    }

    .timeline-item {
        padding-left: var(--space-md);
    }

    .timeline-content {
        padding: var(--space-md);
    }

    .timeline-title {
        font-size: 1.125rem;
    }

}

/* Animation Classes */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.8s ease-out forwards;
}

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

.slide-up {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUpAnim 0.8s ease-out forwards;
}

@keyframes slideUpAnim {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    animation: scaleIn 0.8s ease-out forwards;
}

@keyframes scaleIn {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Utility Classes */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

/* Print Styles */
@media print {

    .header,
    .back-to-top {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: var(--space-lg) 0;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    .section-title {
        font-size: 18pt;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }
}

/* Liquid-like Floating Animations - Performance Optimized */
.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    will-change: transform;
    contain: layout style paint;
}

.liquid-shape {
    position: absolute;
    background: linear-gradient(135deg, rgba(171, 171, 171, 0.08), rgba(0, 0, 0, 0.03));
    border-radius: 50% 40% 60% 30%;
    backdrop-filter: blur(1px);
    will-change: transform;
    transform: translateZ(0);
    /* Force hardware acceleration */
    contain: layout style paint;
}

.liquid-shape {
    position: absolute;
    background: linear-gradient(135deg, rgba(171, 171, 171, 0.08), rgba(0, 0, 0, 0.03));
    border-radius: 50% 40% 60% 30%;
    backdrop-filter: blur(1px);
    will-change: transform;
    transform: translateZ(0);
    /* Force hardware acceleration */
}

/* About Section Shapes */
.about-shapes .liquid-1 {
    width: 250px;
    height: 180px;
    top: 15%;
    right: 8%;
    animation: liquidFloat1 8s ease-in-out infinite;
    background: linear-gradient(135deg, rgba(171, 171, 171, 0.06), rgba(0, 0, 0, 0.02));
}

.about-shapes .liquid-2 {
    width: 180px;
    height: 220px;
    bottom: 25%;
    left: 12%;
    animation: liquidFloat2 10s ease-in-out infinite reverse;
    background: linear-gradient(45deg, rgba(171, 171, 171, 0.04), rgba(0, 0, 0, 0.01));
}

.about-shapes .liquid-3 {
    width: 120px;
    height: 160px;
    top: 50%;
    left: 70%;
    animation: liquidFloat3 7s ease-in-out infinite;
    background: linear-gradient(225deg, rgba(171, 171, 171, 0.05), transparent);
}

/* Services Section Shapes */
.services-shapes .liquid-4 {
    width: 300px;
    height: 200px;
    top: 20%;
    left: 5%;
    animation: liquidFloat4 12s ease-in-out infinite;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.04), rgba(171, 171, 171, 0.06));
}

.services-shapes .liquid-5 {
    width: 220px;
    height: 280px;
    bottom: 15%;
    right: 10%;
    animation: liquidFloat5 9s ease-in-out infinite reverse;
    background: linear-gradient(315deg, rgba(171, 171, 171, 0.05), rgba(0, 0, 0, 0.02));
}

/* Education Section Geometric Shapes */
.education-shapes {
    pointer-events: none;
    z-index: 1;
}

.geo-shape {
    position: absolute;
    pointer-events: none;
    opacity: 0.6;
}

/* Star Shape */
.geo-star {
    width: 60px;
    height: 60px;
    top: 15%;
    left: 10%;
    animation: geoFloat1 15s ease-in-out infinite;
    filter: drop-shadow(0 4px 8px rgba(59, 130, 246, 0.2));
}

.geo-star::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.1));
    clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

/* Triangle Shape */
.geo-triangle {
    width: 80px;
    height: 70px;
    bottom: 25%;
    right: 12%;
    animation: geoFloat2 12s ease-in-out infinite reverse;
    filter: drop-shadow(0 4px 8px rgba(139, 92, 246, 0.2));
}

.geo-triangle::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(139, 92, 246, 0.12), rgba(59, 130, 246, 0.08));
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
}

/* Hexagon Shape */
.geo-hexagon {
    width: 50px;
    height: 50px;
    top: 45%;
    right: 25%;
    animation: geoFloat3 10s ease-in-out infinite;
    filter: drop-shadow(0 4px 8px rgba(59, 130, 246, 0.15));
}

.geo-hexagon::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(225deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.05));
    clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
}

/* Square Shape */
.geo-square {
    width: 40px;
    height: 40px;
    top: 20%;
    right: 15%;
    animation: geoFloat4 8s ease-in-out infinite;
    transform: rotate(45deg);
    filter: drop-shadow(0 4px 8px rgba(139, 92, 246, 0.15));
}

.geo-square::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(59, 130, 246, 0.06));
    border-radius: 4px;
}

/* Contact Section Shapes */
.contact-shapes .liquid-6 {
    width: 200px;
    height: 150px;
    top: 25%;
    right: 15%;
    animation: liquidFloat6 11s ease-in-out infinite;
    background: linear-gradient(45deg, rgba(171, 171, 171, 0.07), rgba(0, 0, 0, 0.03));
}

.contact-shapes .liquid-7 {
    width: 160px;
    height: 200px;
    bottom: 30%;
    left: 8%;
    animation: liquidFloat7 8s ease-in-out infinite reverse;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.03), rgba(171, 171, 171, 0.05));
}

/* Liquid Animation Keyframes - Performance Optimized */
@keyframes liquidFloat1 {

    0%,
    100% {
        transform: translate3d(0, 0, 0) rotate(0deg) scale(1);
        border-radius: 50% 40% 60% 30%;
    }

    25% {
        transform: translate3d(0, -15px, 0) rotate(5deg) scale(1.05);
        border-radius: 60% 30% 40% 70%;
    }

    50% {
        transform: translate3d(0, -25px, 0) rotate(-3deg) scale(0.95);
        border-radius: 30% 60% 70% 40%;
    }

    75% {
        transform: translate3d(0, -10px, 0) rotate(8deg) scale(1.02);
        border-radius: 40% 70% 30% 60%;
    }
}

@keyframes liquidFloat2 {

    0%,
    100% {
        transform: translate3d(0, 0, 0) rotate(0deg);
        border-radius: 40% 60% 50% 70%;
    }

    33% {
        transform: translate3d(10px, -20px, 0) rotate(-5deg);
        border-radius: 70% 30% 60% 40%;
    }

    66% {
        transform: translate3d(-5px, -15px, 0) rotate(3deg);
        border-radius: 30% 70% 40% 60%;
    }
}

@keyframes liquidFloat3 {

    0%,
    100% {
        transform: translate3d(0, 0, 0) rotate(0deg) scale(1);
        border-radius: 60% 40% 30% 70%;
    }

    50% {
        transform: translate3d(0, -30px, 0) rotate(10deg) scale(1.1);
        border-radius: 30% 60% 70% 40%;
    }
}

@keyframes liquidFloat4 {

    0%,
    100% {
        transform: translate3d(0, 0, 0) scale(1);
        border-radius: 50% 60% 40% 50%;
    }

    25% {
        transform: translate3d(15px, -10px, 0) scale(1.03);
        border-radius: 40% 50% 60% 30%;
    }

    50% {
        transform: translate3d(8px, -25px, 0) scale(0.97);
        border-radius: 60% 30% 50% 70%;
    }

    75% {
        transform: translate3d(-5px, -12px, 0) scale(1.01);
        border-radius: 30% 70% 40% 60%;
    }
}

@keyframes liquidFloat5 {

    0%,
    100% {
        transform: translate3d(0, 0, 0) rotate(0deg);
        border-radius: 40% 60% 70% 30%;
    }

    50% {
        transform: translate3d(0, -20px, 0) rotate(-8deg);
        border-radius: 70% 30% 40% 60%;
    }
}

@keyframes liquidFloat6 {

    0%,
    100% {
        transform: translate3d(0, 0, 0) scale(1);
        border-radius: 50% 70% 30% 50%;
    }

    40% {
        transform: translate3d(-10px, -18px, 0) scale(1.08);
        border-radius: 30% 50% 70% 40%;
    }

    80% {
        transform: translate3d(5px, -8px, 0) scale(0.95);
        border-radius: 70% 40% 50% 60%;
    }
}

@keyframes liquidFloat7 {

    0%,
    100% {
        transform: translate3d(0, 0, 0) rotate(0deg);
        border-radius: 60% 40% 50% 70%;
    }

    35% {
        transform: translate3d(0, -22px, 0) rotate(6deg);
        border-radius: 40% 70% 60% 30%;
    }

    70% {
        transform: translate3d(0, -12px, 0) rotate(-4deg);
        border-radius: 70% 30% 40% 60%;
    }
}

/* Geometric Shape Animations */
@keyframes geoFloat1 {

    0%,
    100% {
        transform: translate3d(0, 0, 0) rotate(0deg) scale(1);
    }

    25% {
        transform: translate3d(15px, -10px, 0) rotate(90deg) scale(1.1);
    }

    50% {
        transform: translate3d(5px, -20px, 0) rotate(180deg) scale(0.9);
    }

    75% {
        transform: translate3d(-10px, -5px, 0) rotate(270deg) scale(1.05);
    }
}

@keyframes geoFloat2 {

    0%,
    100% {
        transform: translate3d(0, 0, 0) rotate(0deg);
    }

    50% {
        transform: translate3d(-20px, -15px, 0) rotate(180deg);
    }
}

@keyframes geoFloat3 {

    0%,
    100% {
        transform: translate3d(0, 0, 0) rotate(0deg) scale(1);
    }

    33% {
        transform: translate3d(10px, -15px, 0) rotate(120deg) scale(1.1);
    }

    66% {
        transform: translate3d(-5px, -10px, 0) rotate(240deg) scale(0.95);
    }
}

@keyframes geoFloat4 {

    0%,
    100% {
        transform: translate3d(0, 0, 0) rotate(45deg);
    }

    50% {
        transform: translate3d(15px, -20px, 0) rotate(135deg);
    }
}

/* Critical Performance Optimizations */
* {
    box-sizing: border-box;
}

/* Optimize animations and transforms */
.service-card,
.testimonial-card,
.stat-item,
.skill-item,
.timeline-item {
    will-change: transform, opacity;
    contain: layout style paint;
    backface-visibility: hidden;
    transform: translateZ(0);
    /* Force hardware acceleration */
}

/* Optimize floating shapes performance */
.floating-shapes {
    contain: layout style paint;
    will-change: transform;
}

.liquid-shape {
    contain: layout style paint;
    will-change: transform;
    transform: translateZ(0);
}

/* Optimize grid performance */
.services-grid {
    contain: layout style;
    will-change: grid-template-columns;
}

/* Optimize button interactions */
.nav-link,
.btn {
    will-change: transform, background-color;
    contain: layout style;
}

/* Optimize parallax performance */
.hero-shapes .shape {
    will-change: transform;
    contain: layout style paint;
    transform: translateZ(0);
}

/* Optimize scroll performance */
.header {
    will-change: transform, background-color;
    contain: layout style;
}

/* Reduce paint operations */
.hero-background,
.footer-background {
    contain: layout style paint;
}

/* Optimize text rendering and add performance improvements */
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
span,
a {
    text-rendering: optimizeSpeed;
    font-feature-settings: "kern" 1;
    font-kerning: normal;
    font-display: var(--font-display);
}

/* Performance optimizations for reduced motion */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .liquid-shape {
        animation: none !important;
    }

    .hero-shapes .shape {
        animation: none !important;
    }
}

/* Optimize images and media for performance */
img,
video,
iframe {
    height: auto;
    max-width: 100%;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    image-rendering: optimize-contrast;
    -ms-interpolation-mode: nearest-neighbor;
}

/* Image loading optimization */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Critical images - above the fold */
img[fetchpriority="high"] {
    image-rendering: auto;
}

/* Critical performance hints */
.critical-resource {
    font-display: swap;
}

/* Font Awesome font display optimization - handled by preload hints */

/* Font loading optimization */
html {
    font-display: var(--font-display);
}

html.fonts-loaded {
    font-display: block;
}

/* Optimize animations for 60fps */
.liquid-shape {
    animation-fill-mode: both;
    animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Memory optimization */
.floating-shapes {
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Reduce layout thrashing */
.nav-menu {
    transform: translateZ(0);
}

/* Optimize filter transitions */
.service-card {
    transform: translate3d(0, 0, 0);
}