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

:root {
    /* Colors */
    --primary-background: #001514;
    --primary-accent: #EBFFFA;
    --secondary-background: #293330;
    --secondary-accent: #BDF5D6;
    --tertiary-background: #405A59;
    --tertiary-accent: #A3E4DB;
    --text-primary: #EBFFFA;
    --text-secondary: #BDF5D6;
    --text-muted: #A3E4DB;
    --bg-dark: #001514;
    --bg-card: rgba(64, 90, 89, 0.3);
    --bg-card-hover: rgba(64, 90, 89, 0.5);
    --border-color: rgba(163, 228, 219, 0.3);

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

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --border-radius-sm: 0.375rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
    /* Accent Gradient Palette */
    --grad-1: #22d3ee;
    /* cyan */
    --grad-2: #a78bfa;
    /* violet */
    --grad-3: #f472b6;
    /* pink */
    --grad-4: #34d399;
    /* emerald */
}

html {
    scroll-behavior: smooth;
}

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

/* Background Elements */
.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

/* Animated gradient backdrop to enhance glass blur */
.bg-animated {
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, var(--grad-1), var(--grad-2), var(--grad-3), var(--grad-4));
    background-size: 300% 300%;
    animation: gradientShift 28s ease-in-out infinite;
    opacity: 0.22;
    filter: saturate(120%);
    will-change: background-position;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.bg-gradient-1 {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(163, 228, 219, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

.bg-gradient-2 {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(189, 245, 214, 0.1) 0%, transparent 70%);
    animation: rotate 15s linear infinite reverse;
}

.bg-gradient-3 {
    position: absolute;
    bottom: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(235, 255, 250, 0.1) 0%, transparent 70%);
    animation: rotate 25s linear infinite;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Colorful blurred blobs for depth */
.bg-blobs {
    position: absolute;
    inset: -20% -20% -20% -20%;
    pointer-events: none;
    overflow: hidden;
}

.blob {
    position: absolute;
    width: 45vw;
    height: 45vw;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.25;
    mix-blend-mode: screen;
}

.blob-1 {
    left: -10%;
    top: 0;
    background: radial-gradient(circle at 30% 30%, rgba(34, 211, 238, 0.8), rgba(34, 211, 238, 0) 60%);
    animation: blobDrift1 40s ease-in-out infinite alternate;
}

.blob-2 {
    right: -5%;
    top: 20%;
    background: radial-gradient(circle at 70% 40%, rgba(167, 139, 250, 0.8), rgba(167, 139, 250, 0) 60%);
    animation: blobDrift2 46s ease-in-out infinite alternate;
}

.blob-3 {
    left: 20%;
    bottom: -10%;
    background: radial-gradient(circle at 50% 50%, rgba(244, 114, 182, 0.8), rgba(244, 114, 182, 0) 60%);
    animation: blobDrift3 52s ease-in-out infinite alternate;
}

@keyframes blobDrift1 {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(10vw, 8vh) scale(1.15);
    }
}

@keyframes blobDrift2 {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(-8vw, -6vh) scale(1.1);
    }
}

@keyframes blobDrift3 {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(6vw, -10vh) scale(1.2);
    }
}

/* Subtle grid texture */
.bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 120px 120px, 120px 120px;
    opacity: 0.25;
    pointer-events: none;
}

/* Floating Shapes */
.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, rgba(163, 228, 219, 0.1), rgba(189, 245, 214, 0.1));
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    right: 15%;
    animation-delay: -2s;
}

.shape-3 {
    width: 120px;
    height: 120px;
    bottom: 20%;
    left: 5%;
    animation-delay: -4s;
}

.shape-4 {
    width: 40px;
    height: 40px;
    top: 40%;
    right: 30%;
    animation-delay: -1s;
}

@keyframes float {

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

    50% {
        transform: translateY(-20px);
    }
}

/* Glass Effect */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(22px) saturate(160%);
    -webkit-backdrop-filter: blur(22px) saturate(160%);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-base);
}

.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    margin-left: var(--spacing-md);
}

.lang-btn {
    padding: 6px 10px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

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

.lang-btn.active {
    background: linear-gradient(45deg, var(--primary-accent), var(--tertiary-accent));
    color: var(--primary-background);
    border-color: transparent;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: var(--spacing-md);
    left: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 1000;
    padding: var(--spacing-sm);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.navbar.visible {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    animation: navbarSlideIn 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes navbarSlideIn {
    0% {
        transform: translateY(-120%);
        opacity: 0;
        visibility: visible;
    }

    70% {
        transform: translateY(5px);
    }

    100% {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
}

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

.nav-logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.logo-text {
    background: linear-gradient(45deg, var(--primary-accent), var(--tertiary-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-base);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, var(--primary-accent), var(--tertiary-accent));
    transition: width var(--transition-base);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition-base);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xxl) var(--spacing-md);
}

.hero-content {
    text-align: center;
    max-width: 1000px;
    width: 100%;
}

.hero-card {
    padding: var(--spacing-xxl);
    text-align: center;
}

.hero-profile {
    margin-bottom: var(--spacing-xl);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    animation: slideUp 1s ease;
}

.gradient-text {
    background: linear-gradient(45deg, var(--primary-accent), var(--tertiary-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    animation: slideUp 1s ease 0.2s both;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    animation: slideUp 1s ease 0.4s both;
}

.hero-social {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    animation: slideUp 1s ease 0.6s both;
}

.glass-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    cursor: pointer;
}

.glass-button i {
    font-size: var(--font-size-lg);
}

.glass-button span {
    font-size: var(--font-size-base);
}

.glass-button:hover {
    background: var(--bg-card-hover);
    border-color: var(--tertiary-accent);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.hero-scroll {
    animation: slideUp 1s ease 0.8s both;
}

.scroll-indicator {
    display: inline-block;
    color: var(--tertiary-accent);
    font-size: var(--font-size-2xl);
    animation: bounce 2s infinite;
    text-decoration: none;
    transition: color var(--transition-base);
}

.scroll-indicator:hover {
    color: var(--secondary-accent);
}

@keyframes bounce {

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

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

.profile-card {
    padding: var(--spacing-lg);
    text-align: center;
    animation: slideUp 1s ease 0.8s both;
}

.profile-avatar {
    width: 128px;
    height: 128px;
    border-radius: 50%;
    background: var(--tertiary-background);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: var(--font-size-4xl);
    color: var(--tertiary-accent);
    border: 4px solid rgba(163, 228, 219, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

@media (min-width: 768px) {
    .profile-avatar {
        width: 160px;
        height: 160px;
    }
}

.profile-info h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.profile-info p {
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: var(--font-size-base);
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-accent), var(--tertiary-accent));
    color: var(--primary-background);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(163, 228, 219, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Section Styles */
section {
    padding: var(--spacing-xxl) 0;
}

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

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(45deg, var(--primary-accent), var(--tertiary-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

.about-text {
    padding: var(--spacing-xl);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.stat {
    text-align: center;
    padding: var(--spacing-md);
}

.stat h3 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: linear-gradient(45deg, var(--primary-accent), var(--tertiary-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-xs);
}

.stat p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.about-education {
    padding: var(--spacing-xl);
}

.about-education h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(45deg, var(--primary-accent), var(--tertiary-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.education-item {
    margin-bottom: var(--spacing-lg);
}

.education-item h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.education-item p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.education-date {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.education-note {
    font-size: var(--font-size-sm);
    color: var(--secondary-accent);
    font-weight: 500;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: var(--spacing-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-accent), var(--tertiary-accent));
}

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

.timeline-marker {
    position: absolute;
    left: -43px;
    top: var(--spacing-xl);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary-accent), var(--tertiary-accent));
    border: 3px solid var(--bg-dark);
}

.timeline-content h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.timeline-content h4 {
    font-size: var(--font-size-lg);
    color: var(--secondary-accent);
    margin-bottom: var(--spacing-xs);
}

.company-link {
    color: var(--secondary-accent);
    text-decoration: none;
    transition: color var(--transition-base);
}

.company-link:hover {
    color: var(--tertiary-accent);
    text-decoration: underline;
}

.timeline-date {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    display: block;
}

.timeline-content ul {
    list-style: none;
    padding-left: 0;
}

.timeline-content li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.timeline-content li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-accent);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    padding: var(--spacing-xl);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.project-header h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.project-links {
    display: flex;
    gap: var(--spacing-sm);
}

.project-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
    background: var(--bg-card);
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-base);
}

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

.pdf-btn {
    cursor: pointer;
    border: none;
    background: var(--bg-card);
    color: var(--text-primary);
    transition: all var(--transition-base);
}

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

.project-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.project-features {
    margin-bottom: var(--spacing-md);
}

.project-features h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-accent);
}

.project-features ul {
    list-style: none;
    padding-left: 0;
}

.project-features li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.project-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-accent);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.tech-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-card);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.skill-category {
    padding: var(--spacing-xl);
}

.skill-category h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
}

.skill-category h3 i {
    color: var(--tertiary-accent);
}

.skill-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.skill-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: 1px solid;
    transition: all var(--transition-base);
}

.skill-badge-blue {
    background: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
    border-color: rgba(59, 130, 246, 0.3);
}

.skill-badge-green {
    background: rgba(34, 197, 94, 0.2);
    color: #86efac;
    border-color: rgba(34, 197, 94, 0.3);
}

.skill-badge-purple {
    background: rgba(168, 85, 247, 0.2);
    color: #c4b5fd;
    border-color: rgba(168, 85, 247, 0.3);
}

.skill-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-card {
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(163, 228, 219, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.contact-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(45deg, var(--primary-accent), var(--tertiary-accent));
    border-radius: 50%;
    color: var(--primary-background);
    font-size: var(--font-size-2xl);
    position: relative;
    z-index: 1;
}

.contact-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.contact-link,
.contact-text {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-lg);
    transition: color var(--transition-base);
    position: relative;
    z-index: 1;
}

.contact-link:hover {
    color: var(--tertiary-accent);
}

.contact-form {
    padding: var(--spacing-xl);
}

.contact-form h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

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

/* Footer */
.footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
}

/* Animations */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

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

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        top: var(--spacing-sm);
        left: var(--spacing-sm);
        right: var(--spacing-sm);
    }

    .navbar:not(.visible) {
        transform: translateY(-120%);
    }

    .pdf-panel {
        width: 100%;
        right: -100%;
    }

    .pdf-panel.show {
        right: 0;
    }

    .panel-overlay {
        display: none;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-card);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: var(--transition-base);
        box-shadow: var(--shadow-xl);
        border-radius: var(--border-radius-xl);
        padding: var(--spacing-lg) 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: var(--spacing-sm) 0;
    }

    .hamburger {
        display: flex;
    }

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

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

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

    .hero-card {
        padding: var(--spacing-lg);
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-social {
        justify-content: center;
        flex-wrap: wrap;
    }

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

    .about-stats {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }

    .contact-card {
        padding: var(--spacing-lg);
    }

    .contact-icon {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-xl);
    }

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

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

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

    .timeline-marker {
        left: -31px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

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

    .glass-button {
        width: 100%;
        justify-content: center;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .contact-card {
        padding: var(--spacing-md);
    }

    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }
}

/* Smooth scrolling for older browsers */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* PDF Slide Panel */
.pdf-panel {
    position: fixed;
    z-index: 10000;
    top: 0;
    right: -50%;
    width: 50%;
    height: 100vh;
    transition: right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    align-items: stretch;
    pointer-events: none;
}

.pdf-panel.show {
    right: 0;
    pointer-events: auto;
}

.panel-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 21, 20, 0.3);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: -1;
}

.pdf-panel.show .panel-overlay {
    opacity: 1;
    pointer-events: auto;
}

.pdf-panel-content {
    position: relative;
    width: 100%;
    height: 100%;
    margin: 0;
    border-radius: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    pointer-events: auto;
}

.pdf-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.pdf-panel-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: var(--font-size-xl);
}

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

.pdf-header-actions .glass-button {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-base);
}

.pdf-close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius);
    transition: all var(--transition-base);
}

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

.pdf-panel-container {
    flex: 1;
    padding: var(--spacing-lg);
    overflow: hidden;
    position: relative;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

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

/* Print styles */
@media print {

    .navbar,
    .floating-shapes,
    .background-container {
        display: none;
    }

    .glass-card {
        background: white;
        border: 1px solid #ccc;
        box-shadow: none;
        backdrop-filter: none;
    }

    body {
        background: white;
        color: black;
    }
}