/* ============================================
   CSS Variables & Theme Configuration
   ============================================ */
:root {
    /* Dark Theme (Default) */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: rgba(26, 26, 37, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.05);

    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;

    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #ec4899;

    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-accent: linear-gradient(135deg, #f43f5e 0%, #ec4899 100%);

    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.3);
    --shadow-glow: rgba(99, 102, 241, 0.3);

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Consolas', monospace;
}

[data-theme="light"] {
    --bg-primary: #fafafa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f4f4f5;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-glass: rgba(0, 0, 0, 0.05);

    --text-primary: #18181b;
    --text-secondary: #52525b;
    --text-muted: #a1a1aa;

    --border-color: rgba(0, 0, 0, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ============================================
   Background Animation
   ============================================ */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-primary);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-secondary);
    bottom: -150px;
    left: -150px;
    animation-delay: -5s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--accent-tertiary);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(50px, -50px) scale(1.1);
    }

    50% {
        transform: translate(-30px, 30px) scale(0.9);
    }

    75% {
        transform: translate(-50px, -30px) scale(1.05);
    }
}

/* ============================================
   Container & Layout
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: transparent;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
}

[data-theme="light"] .navbar.scrolled {
    background: rgba(255, 255, 255, 0.9);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-text {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-toggle {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.theme-toggle i {
    position: absolute;
    font-size: 1.1rem;
    transition: var(--transition-normal);
}

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

.theme-toggle .fa-sun {
    opacity: 0;
    transform: translateY(20px);
}

[data-theme="light"] .theme-toggle .fa-moon {
    opacity: 0;
    transform: translateY(-20px);
}

[data-theme="light"] .theme-toggle .fa-sun {
    opacity: 1;
    transform: translateY(0);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.nav-toggle span {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-normal);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--accent-primary);
    margin-bottom: 24px;
}

.hero-badge i {
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 16px;
    min-height: 40px;
}

.typing-text {
    color: var(--accent-primary);
}

.cursor {
    animation: blink 1s infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px var(--shadow-glow);
}

.btn-secondary {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

/* Hero Image */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.profile-wrapper {
    position: relative;
    width: 350px;
    height: 350px;
}

.profile-ring {
    position: absolute;
    inset: -10px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    animation: spin 10s linear infinite;
    opacity: 0.7;
}

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

    to {
        transform: rotate(360deg);
    }
}

.profile-img {
    position: relative;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-full);
    border: 4px solid var(--bg-primary);
    z-index: 1;
}

.profile-status {
    position: absolute;
    bottom: 30px;
    right: 30px;
    width: 24px;
    height: 24px;
    background: var(--bg-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.status-dot {
    width: 12px;
    height: 12px;
    background: #22c55e;
    border-radius: var(--radius-full);
    animation: pulse 2s infinite;
}

/* Floating Icons */
.floating-icons {
    position: absolute;
    inset: -40px;
}

.float-icon {
    position: absolute;
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    animation: float-icon 3s ease-in-out infinite;
}

.icon-1 {
    top: 0;
    left: 0;
    color: #ff9900;
    animation-delay: 0s;
}

.icon-2 {
    top: 20%;
    right: -20px;
    color: #2496ed;
    animation-delay: -0.5s;
}

.icon-3 {
    bottom: 20%;
    right: 0;
    color: #326ce5;
    animation-delay: -1s;
}

.icon-4 {
    bottom: 0;
    left: 20%;
    color: #fcc624;
    animation-delay: -1.5s;
}

.icon-5 {
    top: 40%;
    left: -30px;
    color: #3776ab;
    animation-delay: -2s;
}

@keyframes float-icon {

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

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

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

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

    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(15px);
    }
}

/* ============================================
   About Section
   ============================================ */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition-normal);
}

.about-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
}

.card-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    margin-bottom: 16px;
}

.about-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.about-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.highlight-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.highlight-card h4 {
    font-size: 1.125rem;
    margin-bottom: 20px;
    color: var(--accent-primary);
}

.expertise-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.expertise-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-glass);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.expertise-item:hover {
    transform: translateX(8px);
    background: rgba(99, 102, 241, 0.1);
}

.expertise-item i {
    color: var(--accent-primary);
    font-size: 1rem;
}

.certifications-preview h4 {
    margin-bottom: 16px;
    color: var(--accent-primary);
}

.cert-badges {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cert-badge img {
    border-radius: var(--radius-sm);
}

/* ============================================
   Skills Section
   ============================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.skill-category {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition-normal);
}

.skill-category:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.category-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
}

.category-icon.cloud {
    background: linear-gradient(135deg, #ff9900, #ff6600);
}

.category-icon.container {
    background: linear-gradient(135deg, #326ce5, #2196f3);
}

.category-icon.iac {
    background: linear-gradient(135deg, #7b42bc, #5c4ee5);
}

.category-icon.cicd {
    background: linear-gradient(135deg, #e84d31, #ff6b6b);
}

.category-icon.monitoring {
    background: linear-gradient(135deg, #e6522c, #f46800);
}

.category-icon.languages {
    background: linear-gradient(135deg, #3776ab, #00d4aa);
}

.category-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.skill-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    background: var(--bg-glass);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.skill-item:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.skill-item img,
.skill-item svg {
    width: 40px;
    height: 40px;
}

.skill-item span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.skill-level {
    width: 100%;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.skill-level::after {
    content: '';
    display: block;
    height: 100%;
    width: 0;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 1s ease-out;
}

.skill-item:hover .skill-level::after {
    width: calc(var(--level, 0) * 1%);
}

/* ============================================
   Projects Section
   ============================================ */
.projects-filter {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    color: white;
    background: var(--gradient-primary);
    border-color: transparent;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
    margin-bottom: 60px;
}

.project-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
}

.project-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--shadow-color);
}

.project-image {
    position: relative;
    height: 200px;
    background: var(--gradient-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-image i {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.3);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    opacity: 0;
    transition: var(--transition-normal);
}

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

.project-overlay a {
    width: 48px;
    height: 48px;
    background: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: 1.25rem;
    transition: var(--transition-fast);
}

.project-overlay a:hover {
    transform: scale(1.1);
    background: var(--accent-primary);
    color: white;
}

.project-content {
    padding: 24px;
}

.project-content h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.project-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--accent-primary);
}

/* GitHub Stats */
.github-stats {
    text-align: center;
}

.github-stats h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.stats-cards {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.stats-cards img {
    border-radius: var(--radius-lg);
    max-width: 100%;
}

.contribution-graph img {
    border-radius: var(--radius-lg);
    max-width: 100%;
}

/* ============================================
   Experience Section
   ============================================ */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 40px;
}

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

.timeline-item {
    position: relative;
    padding-bottom: 40px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -40px;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    border: 3px solid var(--bg-primary);
    transform: translateX(-7px);
}

.timeline-content {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition-normal);
}

.timeline-content:hover {
    border-color: var(--accent-primary);
    transform: translateX(8px);
}

.timeline-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.timeline-header h3 {
    font-size: 1.25rem;
}

.timeline-badge {
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.timeline-badge.current {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.timeline-company,
.timeline-date {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.timeline-company i,
.timeline-date i {
    color: var(--accent-primary);
    width: 16px;
}

.timeline-responsibilities {
    margin: 16px 0;
    padding-left: 20px;
}

.timeline-responsibilities li {
    position: relative;
    color: var(--text-secondary);
    margin-bottom: 8px;
    padding-left: 8px;
}

.timeline-responsibilities li::before {
    content: '▸';
    position: absolute;
    left: -16px;
    color: var(--accent-primary);
}

.timeline-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.info-card:hover {
    border-color: var(--accent-primary);
    transform: translateX(8px);
}

.info-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
}

.info-details h4 {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.info-details a,
.info-details p {
    font-size: 1rem;
    font-weight: 500;
}

.info-details a:hover {
    color: var(--accent-primary);
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-link {
    width: 48px;
    height: 48px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition-normal);
}

.social-link:hover {
    transform: translateY(-4px);
}

.social-link.github:hover {
    background: #333;
    border-color: #333;
    color: white;
}

.social-link.linkedin:hover {
    background: #0077b5;
    border-color: #0077b5;
    color: white;
}

.social-link.email:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px;
    font-size: 1rem;
    font-family: inherit;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.form-group label {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition-fast);
}

.form-group textarea~label {
    top: 16px;
    transform: none;
}

.form-group input:focus~label,
.form-group input:not(:placeholder-shown)~label,
.form-group textarea:focus~label,
.form-group textarea:not(:placeholder-shown)~label {
    top: -12px;
    left: 12px;
    font-size: 0.75rem;
    padding: 0 4px;
    background: var(--bg-card);
    color: var(--accent-primary);
}

.btn-submit {
    align-self: flex-start;
}

.btn-submit span {
    margin-right: 8px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 24px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo-text {
    font-size: 2rem;
    margin-bottom: 12px;
    display: block;
}

.footer-brand p {
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-section h4 {
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-section a {
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-bottom i {
    color: #ef4444;
}

.back-to-top {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: var(--transition-normal);
}

.back-to-top:hover {
    transform: translateY(-4px);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-content {
        order: 2;
    }

    .hero-image {
        order: 1;
    }

    .hero-description {
        margin: 0 auto 32px;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .profile-wrapper {
        width: 280px;
        height: 280px;
    }

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

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 8px;
        transform: translateY(-150%);
        transition: var(--transition-normal);
        border-bottom: 1px solid var(--border-color);
    }

    [data-theme="light"] .nav-menu {
        background: rgba(255, 255, 255, 0.98);
    }

    .nav-menu.active {
        transform: translateY(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(5px, -5px);
    }

    .section {
        padding: 60px 0;
    }

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

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

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

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }

    .footer-links {
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .stats-cards {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 16px;
    }

    .stat-divider {
        display: none;
    }

    .profile-wrapper {
        width: 220px;
        height: 220px;
    }

    .floating-icons {
        display: none;
    }

    .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    .timeline {
        padding-left: 24px;
    }

    .timeline-marker {
        left: -24px;
        width: 12px;
        height: 12px;
        transform: translateX(-5px);
    }
}

/* ============================================
   Floating WhatsApp Chat Button
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition-normal);
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-10px);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--bg-card);
}

@keyframes whatsapp-pulse {

    0%,
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }

    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6), 0 0 0 10px rgba(37, 211, 102, 0.1);
    }
}

/* WhatsApp Info Card Styles */
.whatsapp-card .whatsapp-icon {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
}

.whatsapp-card:hover {
    border-color: #25D366;
}

.whatsapp-card a:hover {
    color: #25D366;
}

/* Social Link WhatsApp Style */
.social-link.whatsapp {
    background: linear-gradient(135deg, #25D366, #128C7E);
}

.social-link.whatsapp:hover {
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.5);
}

/* Responsive adjustments for WhatsApp button */
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
        font-size: 1.75rem;
    }

    .whatsapp-tooltip {
        display: none;
    }
}

/* ============================================
   Resume Download Button & Card
   ============================================ */
.btn-resume {
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(6, 182, 212, 0.3);
}

.btn-resume:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(6, 182, 212, 0.4);
}

.btn-resume i {
    transition: transform 0.3s ease;
}

.btn-resume:hover i {
    animation: download-bounce 0.6s ease infinite;
}

@keyframes download-bounce {

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

    50% {
        transform: translateY(3px);
    }
}

/* Resume Info Card Styles */
.resume-card .resume-icon {
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
}

.resume-card:hover {
    border-color: #06b6d4;
}

.resume-card a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
}

.resume-card a:hover {
    color: #06b6d4;
}

.resume-card a::after {
    content: '\f019';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.75rem;
    opacity: 0;
    transform: translateY(-3px);
    transition: var(--transition-fast);
}

.resume-card:hover a::after {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Meeting / Book a Meeting Button & Card
   ============================================ */
.btn-meeting {
    background: linear-gradient(135deg, #34a853 0%, #1e8e3e 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(52, 168, 83, 0.3);
}

.btn-meeting:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(52, 168, 83, 0.4);
}

.btn-meeting i {
    transition: transform 0.3s ease;
}

.btn-meeting:hover i {
    animation: calendar-pulse 0.6s ease infinite;
}

@keyframes calendar-pulse {

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

    50% {
        transform: scale(1.2);
    }
}

/* Meeting Info Card Styles */
.meeting-card .meeting-icon {
    background: linear-gradient(135deg, #34a853 0%, #1e8e3e 100%);
}

.meeting-card:hover {
    border-color: #34a853;
}

.meeting-card a:hover {
    color: #34a853;
}

/* Responsive adjustments for hero buttons */
@media (max-width: 768px) {
    .hero-cta {
        flex-wrap: wrap;
        gap: 12px;
    }

    .btn-resume,
    .btn-meeting {
        flex: 1 1 calc(50% - 6px);
        justify-content: center;
        text-align: center;
    }

    .meeting-card .info-icon {
        width: 42px;
        height: 42px;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .hero-cta .btn {
        flex: 1 1 100%;
        justify-content: center;
        text-align: center;
    }

    .meeting-card .info-details h4 {
        font-size: 0.8rem;
    }

    .meeting-card .info-details a {
        font-size: 0.9rem;
    }
}