/* ==========================================
   CSS Variables & Root Styles
   ========================================== */
:root {
    /* Colors - Modern Dark Theme */
    --color-bg-primary: #0a0f1c;
    --color-bg-secondary: #111827;
    --color-bg-card: #1a2234;
    --color-bg-card-hover: #1f2a42;
    
    /* Accent Colors */
    --color-accent: #3b82f6;
    --color-accent-light: #60a5fa;
    --color-accent-dark: #2563eb;
    --color-accent-glow: rgba(59, 130, 246, 0.3);
    
    /* Secondary Accent */
    --color-secondary: #8b5cf6;
    --color-secondary-light: #a78bfa;
    
    /* Text Colors */
    --color-text-primary: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    
    /* Status Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    /* Tag Colors */
    --tag-aws: #ff9900;
    --tag-azure: #0089d6;
    --tag-gcp: #4285f4;
    --tag-terraform: #7b42bc;
    --tag-docker: #2496ed;
    --tag-k8s: #326ce5;
    --tag-python: #3776ab;
    --tag-go: #00add8;
    --tag-bash: #4eaa25;
    --tag-datadog: #632ca6;
    --tag-splunk: #65a637;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --section-padding: 100px;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 50%;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px var(--color-accent-glow);
}

/* ==========================================
   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-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

::selection {
    background-color: var(--color-accent);
    color: var(--color-text-primary);
}

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

ul {
    list-style: none;
}

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

/* ==========================================
   Container
   ========================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================
   Navigation
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-medium);
}

.navbar.scrolled {
    background-color: rgba(10, 15, 28, 0.95);
    backdrop-filter: blur(20px);
    padding: 16px 0;
    box-shadow: var(--shadow-sm);
}

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

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

.logo-img {
    height: 70px;
    width: auto;
}

.logo-text {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: -1px;
    display: none; /* Hidden when image loads, shown on error */
}

.nav-logo:hover .logo-text {
    color: var(--color-accent);
}

.nav-logo:hover .logo-img {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
    transition: var(--transition-medium);
}

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

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

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger {
    position: relative;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: var(--transition-medium);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: var(--transition-medium);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

.nav-toggle.active .hamburger {
    background-color: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 60px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 15s infinite ease-in-out;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-100px) translateX(50px);
        opacity: 0.6;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: var(--container-width);
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

.hero-greeting {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: 16px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-name {
    font-size: clamp(40px, 7vw, 72px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title {
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 4px;
}

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

.cursor {
    animation: blink 1s infinite;
    color: var(--color-accent);
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-description {
    font-size: 18px;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 40px;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-medium);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
}

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

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

/* Hero Image / Profile */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.profile-ring {
    position: absolute;
    inset: 0;
    border: 3px solid transparent;
    border-radius: 50%;
    background: linear-gradient(var(--color-bg-primary), var(--color-bg-primary)) padding-box,
                linear-gradient(135deg, var(--color-accent), var(--color-secondary)) border-box;
    animation: rotate 10s linear infinite;
}

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

.profile-placeholder {
    position: absolute;
    inset: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.profile-placeholder i {
    font-size: 120px;
    color: var(--color-text-muted);
}

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

/* 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(--color-text-muted);
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

.scroll-arrow {
    font-size: 16px;
    color: var(--color-accent);
}

/* ==========================================
   Sections Common Styles
   ========================================== */
.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-title {
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 700;
    margin-bottom: 60px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.section-number {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 400;
    color: var(--color-accent);
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--color-bg-card), transparent);
    max-width: 300px;
}

/* ==========================================
   About Section
   ========================================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 80px;
    align-items: start;
}

.about-text p {
    font-size: 17px;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    line-height: 1.8;
}

.about-text strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
    padding-top: 48px;
    border-top: 1px solid var(--color-bg-card);
}

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

.highlight-number {
    display: block;
    font-size: 42px;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 8px;
}

.highlight-label {
    font-size: 14px;
    color: var(--color-text-muted);
}

/* Tech Stack */
.tech-stack {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.tech-item {
    width: 70px;
    height: 70px;
    background: rgba(30, 41, 59, 0.8);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--color-text-secondary);
    transition: var(--transition-medium);
    position: relative;
    cursor: pointer;
    border: 1px solid rgba(99, 179, 237, 0.3);
}

.tech-item img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    transition: var(--transition-medium);
}

.tech-item:hover {
    background: rgba(45, 60, 80, 0.9);
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    z-index: 100;
    border-color: rgba(99, 179, 237, 0.5);
}

.tech-item:hover img {
    transform: scale(1.1);
}

.tech-item[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    top: -45px;
    left: 50%;
    transform: translateX(-50%) scale(0.8);
    background: var(--color-bg-card);
    color: var(--color-text-primary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: var(--transition-medium);
    z-index: 101;
    box-shadow: var(--shadow-md);
}

.tech-item:hover[data-tooltip]::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) scale(1);
}

/* ==========================================
   Skills Section
   ========================================== */
.skills {
    background: var(--color-bg-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.skill-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-medium);
    border: 1px solid transparent;
}

.skill-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.skill-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: white;
    margin-bottom: 24px;
}

.skill-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-text-primary);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tag {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: white;
}

.tag-aws { background: var(--tag-aws); }
.tag-azure { background: var(--tag-azure); }
.tag-gcp { background: var(--tag-gcp); }
.tag-terraform { background: var(--tag-terraform); }
.tag-docker { background: var(--tag-docker); }
.tag-k8s { background: var(--tag-k8s); }
.tag-python { background: var(--tag-python); }
.tag-go { background: var(--tag-go); }
.tag-bash { background: var(--tag-bash); }
.tag-datadog { background: var(--tag-datadog); }
.tag-splunk { background: var(--tag-splunk); }

.skill-list {
    list-style: none;
}

.skill-list li {
    font-size: 14px;
    color: var(--color-text-muted);
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.skill-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* ==========================================
   Experience Section
   ========================================== */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-accent), var(--color-secondary), var(--color-accent));
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
}

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

.timeline-marker {
    position: absolute;
    left: -47px;
    top: 8px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-accent);
    border: 3px solid var(--color-bg-primary);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.timeline-item.education .timeline-marker {
    background: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.3);
}

.timeline-content {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-medium);
    border: 1px solid transparent;
}

.timeline-content:hover {
    border-color: var(--color-bg-card-hover);
    box-shadow: var(--shadow-md);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 20px;
}

.company-name {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.company-location {
    font-size: 14px;
    color: var(--color-text-muted);
}

.company-location i {
    margin-right: 6px;
    color: var(--color-accent);
}

.role-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-accent-light);
    margin-bottom: 4px;
    text-align: right;
}

.role-duration {
    font-size: 13px;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

.role-duration i {
    margin-right: 6px;
}

.timeline-details {
    margin-bottom: 20px;
}

.timeline-details li {
    font-size: 15px;
    color: var(--color-text-secondary);
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    line-height: 1.6;
}

.timeline-details li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-size: 14px;
}

.timeline-details strong {
    color: var(--color-accent-light);
    font-weight: 600;
}

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

.timeline-tech span {
    background: var(--color-bg-secondary);
    color: var(--color-text-muted);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-family: var(--font-mono);
}

.education-icon {
    font-size: 48px;
    color: var(--color-secondary);
    text-align: center;
    margin-top: 16px;
}

/* ==========================================
   Contact Section
   ========================================== */
.contact {
    background: var(--color-bg-secondary);
}

.contact-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.contact-text {
    margin-bottom: 48px;
}

.contact-text p {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.contact-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    transition: var(--transition-medium);
    border: 1px solid transparent;
}

.contact-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.contact-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.contact-info span {
    font-size: 14px;
    color: var(--color-text-muted);
}

.contact-location {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--color-text-muted);
    font-size: 15px;
}

.contact-location i {
    color: var(--color-accent);
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--color-bg-primary);
    padding: 48px 0;
    border-top: 1px solid var(--color-bg-card);
}

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

.footer-text {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.footer-text strong {
    color: var(--color-text-primary);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 20px;
}

.footer-social a {
    width: 44px;
    height: 44px;
    background: var(--color-bg-card);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: var(--transition-medium);
}

.footer-social a:hover {
    background: var(--color-accent);
    color: white;
    transform: translateY(-4px);
}

.footer-copyright {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* ==========================================
   Responsive Design
   ========================================== */

/* Tablet */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 48px;
    }
    
    .hero-text {
        max-width: 100%;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .profile-container {
        width: 280px;
        height: 280px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-highlights {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-stack {
        justify-content: center;
    }
    
    .timeline-header {
        flex-direction: column;
    }
    
    .role-title,
    .role-duration {
        text-align: left;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-bg-secondary);
        flex-direction: column;
        justify-content: center;
        padding: 48px;
        gap: 32px;
        transition: var(--transition-medium);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 18px;
    }
    
    .hero {
        padding: 100px 24px 60px;
    }
    
    .hero-title {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .profile-container {
        width: 220px;
        height: 220px;
    }
    
    .profile-placeholder i {
        font-size: 80px;
    }
    
    .about-highlights {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .highlight-number {
        font-size: 32px;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: 24px;
    }
    
    .timeline-marker {
        left: -31px;
        width: 14px;
        height: 14px;
    }
    
    .timeline-content {
        padding: 24px;
    }
    
    .company-name {
        font-size: 18px;
    }
    
    .contact-cards {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .section-title::after {
        display: none;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-name {
        font-size: 36px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .about-highlights {
        grid-template-columns: 1fr 1fr;
    }
    
    .tech-stack {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }
    
    .tech-item {
        width: 60px;
        height: 60px;
        font-size: 26px;
    }
    
    /* Fix tooltip overflow on mobile */
    .tech-item[data-tooltip]::after {
        left: 0;
        transform: translateX(0) scale(0.8);
        max-width: 150px;
        white-space: normal;
        text-align: center;
    }
    
    .tech-item:hover[data-tooltip]::after {
        transform: translateX(0) scale(1);
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Stagger delay classes */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* ==========================================
   Scrollbar Styling
   ========================================== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-bg-card);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

/* ==========================================
   Loading Screen
   ========================================== */
.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--color-bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.loader-ring {
    width: 50px;
    height: 50px;
    border: 3px solid var(--color-bg-card);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loader span {
    color: var(--color-text-secondary);
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
}