/* =============================================================================
   Reset & Base Styles
   ============================================================================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-color: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #06b6d4;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-large: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Typography - Fluid Responsive */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: clamp(0.7rem, 0.5vw + 0.6rem, 0.75rem);
    --font-size-sm: clamp(0.8rem, 0.7vw + 0.7rem, 0.875rem);
    --font-size-base: clamp(0.9rem, 1vw + 0.8rem, 1rem);
    --font-size-lg: clamp(1rem, 1.2vw + 0.9rem, 1.125rem);
    --font-size-xl: clamp(1.1rem, 1.5vw + 1rem, 1.25rem);
    --font-size-2xl: clamp(1.25rem, 2vw + 1.1rem, 1.5rem);
    --font-size-3xl: clamp(1.5rem, 3vw + 1.2rem, 1.875rem);
    --font-size-4xl: clamp(1.75rem, 4vw + 1.4rem, 2.25rem);
    --font-size-5xl: clamp(2rem, 5vw + 1.5rem, 3rem);
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    
    /* Spacing - Fluid Responsive */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: clamp(0.75rem, 1vw + 0.5rem, 1rem);
    --space-4: clamp(1rem, 2vw + 0.5rem, 1.5rem);
    --space-5: 1.25rem;
    --space-6: clamp(1.5rem, 3vw + 0.75rem, 2rem);
    --space-8: clamp(2rem, 4vw + 1rem, 3rem);
    --space-10: 2.5rem;
    --space-12: clamp(3rem, 5vw + 1.5rem, 4rem);
    --space-16: clamp(4rem, 6vw + 2rem, 5rem);
    --space-20: clamp(5rem, 8vw + 2.5rem, 6rem);
    --space-24: clamp(6rem, 10vw + 3rem, 8rem);
    
    /* Layout */
    --container-max-width: 1200px;
    --content-max-width: 800px;
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

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

/* Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 max(var(--space-6), env(safe-area-inset-left));
    padding-right: max(var(--space-6), env(safe-area-inset-right));
}

/* Enhanced responsive breakpoints */
@media (max-width: 480px) {
    .container {
        padding: 0 max(var(--space-3), env(safe-area-inset-left));
        padding-right: max(var(--space-3), env(safe-area-inset-right));
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 max(var(--space-4), env(safe-area-inset-left));
        padding-right: max(var(--space-4), env(safe-area-inset-right));
    }
}

@media (max-width: 320px) {
    .container {
        padding: 0 max(var(--space-2), env(safe-area-inset-left));
        padding-right: max(var(--space-2), env(safe-area-inset-right));
    }
}

/* =============================================================================
   Typography
   ============================================================================= */

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

.highlight {
    color: var(--primary-color);
    font-weight: var(--font-weight-medium);
}

/* =============================================================================
   Navigation
   ============================================================================= */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition-normal);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-text {
    display: inline-block;
    padding: var(--space-2) var(--space-3);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
}

.logo-text:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-8);
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    position: relative;
    transition: var(--transition-fast);
    padding: var(--space-2) var(--space-1);
    min-height: 44px;
    display: flex;
    align-items: center;
    touch-action: manipulation;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition-normal);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    background: none;
    border: none;
    padding: var(--space-3);
    min-height: 44px;
    min-width: 44px;
    align-items: center;
    justify-content: center;
    touch-action: manipulation;
    border-radius: var(--border-radius-sm);
}

.nav-toggle span {
    width: 24px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(15px);
        flex-direction: column;
        padding: var(--space-4);
        gap: var(--space-4);
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        border-top: 1px solid var(--border-light);
        transform: translateY(-10px);
        opacity: 0;
        transition: all 0.3s ease;
        pointer-events: none;
    }
    
    .nav-menu.active {
        display: flex;
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .nav-container {
        padding: var(--space-4);
        position: relative;
    }
}

/* =============================================================================
   Hero Section
   ============================================================================= */

.hero {
    padding: calc(80px + var(--space-16)) 0 var(--space-20);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-6);
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.title-role {
    color: var(--primary-color);
    animation: none; /* Disable CSS animation to allow JS typing effect */
    opacity: 1;
    transform: translateY(0);
    display: inline-block;
    min-height: 1.25em; /* Reserve vertical space to prevent jumping */
    white-space: nowrap; /* Prevent text wrapping during typing */
    overflow: hidden; /* Hide any overflow on very small screens */
}

.title-role.typing::after {
    content: '|';
    opacity: 1;
    animation: blink 1s infinite;
    margin-left: 2px;
}

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

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease 0.4s forwards;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease 0.6s forwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-height: 44px;
    min-width: 100px;
    touch-action: manipulation;
}

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

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

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

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

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-photo-container {
    position: relative;
    z-index: 2;
}

.profile-photo {
    max-width: 300px;
    width: 100%;
    height: auto;
    aspect-ratio: 1;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: var(--shadow-large);
    transition: var(--transition-slow);
    display: block;
}

.profile-photo:hover {
    transform: scale(1.05);
}

.photo-decoration {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: rotate 20s linear infinite;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 3;
}

.floating-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-medium);
    animation: float 6s ease-in-out infinite;
}

.floating-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

.icon-security {
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.icon-code {
    top: 70%;
    right: 5%;
    animation-delay: 2s;
}

.icon-users {
    bottom: 10%;
    left: 15%;
    animation-delay: 4s;
}

@media (max-width: 1024px) {
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--space-12);
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-text {
        order: 2;
    }
    
    .hero-visual {
        order: 1;
        margin-bottom: 0;
    }
    
    .hero-cta {
        display: block;
        width: 100%;
        text-align: center;
    }
    
    .hero-cta .btn {
        display: inline-block;
        width: 280px;
        margin: 10px auto;
        text-align: center;
        vertical-align: top;
    }
    
    .profile-photo {
        max-width: 250px;
    }
}

@media (max-width: 768px) {
    .floating-icon {
        width: 50px;
        height: 50px;
    }
    
    .floating-icon svg {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: calc(80px + var(--space-8)) 0 var(--space-12);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .hero-text {
        text-align: center;
    }
    
    /* hero-cta styles inherited from 768px breakpoint */
    
    .profile-photo {
        max-width: 200px;
    }
    
    .floating-icon {
        width: 40px;
        height: 40px;
    }
    
    .floating-icon svg {
        width: 16px;
        height: 16px;
    }
    
    /* Allow wrapping on very small screens but maintain stability */
    .title-role {
        white-space: normal;
        min-width: 100%;
        text-align: center;
    }
}

@media (max-width: 320px) {
    .hero {
        padding: calc(80px + var(--space-6)) 0 var(--space-8);
    }
    
    .hero-title {
        font-size: var(--font-size-xl);
        line-height: 1.3;
    }
    
    .profile-photo {
        max-width: 180px;
    }
    
    .btn {
        padding: var(--space-3) var(--space-4);
        font-size: var(--font-size-sm);
        min-height: 44px;
        min-width: 140px;
        text-align: center;
    }
}

/* =============================================================================
   Section Styles
   ============================================================================= */

section {
    padding: var(--space-20) 0;
}

/* Responsive section spacing */
@media (max-width: 768px) {
    section {
        padding: var(--space-16) 0;
    }
}

@media (max-width: 480px) {
    section {
        padding: var(--space-12) 0;
    }
}

@media (max-width: 320px) {
    section {
        padding: var(--space-8) 0;
    }
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

/* Responsive section header spacing */
@media (max-width: 768px) {
    .section-header {
        margin-bottom: var(--space-12);
    }
}

@media (max-width: 480px) {
    .section-header {
        margin-bottom: var(--space-8);
    }
}

@media (max-width: 320px) {
    .section-header {
        margin-bottom: var(--space-6);
    }
}

.section-title {
    font-size: var(--font-size-3xl);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.section-decoration {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin: 0 auto;
    border-radius: 2px;
}

/* =============================================================================
   About Section
   ============================================================================= */

.about {
    background-color: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.about-text {
    max-width: var(--content-max-width);
}

.about-intro {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
}

.highlight-item {
    text-align: center;
    padding: var(--space-6);
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-light);
    transition: var(--transition-normal);
}

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

.highlight-number {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    margin-bottom: var(--space-2);
}

.highlight-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-weight: var(--font-weight-medium);
}

@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
}

@media (max-width: 768px) {
    .about-highlights {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-4);
    }
}

@media (max-width: 480px) {
    .about-highlights {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    
    .highlight-item {
        padding: var(--space-4);
    }
    
    .highlight-number {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 320px) {
    .about-text {
        text-align: left;
    }
    
    .about-intro {
        font-size: var(--font-size-base);
    }
}

/* =============================================================================
   Timeline (Experience Section)
   ============================================================================= */

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

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-12);
    padding-left: var(--space-16);
}

.timeline-marker {
    position: absolute;
    left: 12px;
    top: 8px;
    width: 16px;
    height: 16px;
    background-color: var(--primary-color);
    border: 4px solid white;
    border-radius: 50%;
    box-shadow: var(--shadow-light);
}

.timeline-content {
    background: white;
    padding: var(--space-8);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-light);
    transition: var(--transition-normal);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
    gap: var(--space-2);
}

.role-title {
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    margin: 0;
}

.company-period {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
}

.company {
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
}

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

.role-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.achievement-list {
    list-style: none;
    margin-bottom: var(--space-6);
}

.achievement-list li {
    position: relative;
    padding-left: var(--space-6);
    margin-bottom: var(--space-3);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

.achievement-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.tech-tag {
    background-color: var(--bg-tertiary);
    color: var(--text-muted);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    transition: var(--transition-fast);
}

.tech-tag:hover {
    background-color: var(--primary-color);
    color: white;
}


@media (max-width: 768px) {
    .timeline::before {
        left: 16px;
    }
    
    .timeline-item {
        padding-left: var(--space-12);
    }
    
    .timeline-marker {
        left: 8px;
    }
    
    .timeline-header {
        flex-direction: column;
        align-items: start;
    }
    
    .company-period {
        align-items: flex-start;
        text-align: left;
    }
    
    .timeline-content {
        padding: var(--space-6);
    }
}

@media (max-width: 480px) {
    .timeline-content {
        padding: var(--space-4);
    }
    
    .role-title {
        font-size: var(--font-size-lg);
        line-height: var(--line-height-snug);
    }
    
    .achievement-list li {
        font-size: var(--font-size-sm);
        line-height: var(--line-height-normal);
    }
}

@media (max-width: 320px) {
    .timeline-item {
        padding-left: var(--space-8);
        margin-bottom: var(--space-8);
    }
    
    .timeline::before {
        left: 12px;
    }
    
    .timeline-marker {
        left: 4px;
        width: 12px;
        height: 12px;
    }
}

/* =============================================================================
   Skills Section
   ============================================================================= */

.skills {
    background-color: var(--bg-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-8);
}

.skill-category {
    background: white;
    padding: var(--space-8);
    border-radius: var(--border-radius-xl);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: var(--transition-normal);
}

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

.skill-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
    transition: var(--transition-normal);
}

.skill-category:hover .skill-icon {
    transform: scale(1.1);
}


.skill-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.skill-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.skill-list {
    list-style: none;
    text-align: left;
}

.skill-list li {
    padding: var(--space-2) 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition-fast);
}

.skill-list li:last-child {
    border-bottom: none;
}

.skill-list li:hover {
    color: var(--primary-color);
    padding-left: var(--space-2);
}

/* =============================================================================
   Contact Section
   ============================================================================= */

.contact {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.contact-text {
    max-width: var(--content-max-width);
}

.contact-description {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.contact-note {
    color: var(--text-secondary);
    font-style: italic;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: white;
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    box-shadow: var(--shadow-light);
    transition: var(--transition-normal);
    min-height: 60px;
    touch-action: manipulation;
}

.contact-link:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

.contact-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-weight: var(--font-weight-medium);
}

.contact-value {
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
}

@media (max-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
}

@media (max-width: 480px) {
    .contact-link {
        padding: var(--space-3);
        gap: var(--space-3);
        min-height: 60px;
    }
    
    .contact-icon {
        width: 40px;
        height: 40px;
        flex-shrink: 0;
    }
    
    .contact-icon svg {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 320px) {
    .contact-description {
        font-size: var(--font-size-base);
    }
    
    .contact-links {
        gap: var(--space-3);
    }
}

/* =============================================================================
   Footer
   ============================================================================= */

.footer {
    background-color: var(--text-primary);
    color: var(--bg-secondary);
    padding: var(--space-8) 0;
    text-align: center;
}

.footer-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.footer-content p {
    margin: 0;
    color: var(--bg-secondary);
}

.footer-note {
    font-size: var(--font-size-sm);
    opacity: 0.7;
    margin-top: var(--space-2) !important;
}

/* =============================================================================
   Animations
   ============================================================================= */

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

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

/* =============================================================================
   Scroll Animations
   ============================================================================= */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* =============================================================================
   Dark Mode Support (Optional)
   ============================================================================= */

@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #f8fafc;
        --text-secondary: #cbd5e1;
        --text-muted: #94a3b8;
        --bg-primary: #0f172a;
        --bg-secondary: #1e293b;
        --bg-tertiary: #334155;
        --border-color: #334155;
        --border-light: #475569;
    }
    
    .nav {
        background-color: rgba(15, 23, 42, 0.95);
    }
    
    .timeline-content,
    .skill-category,
    .contact-link,
    .highlight-item {
        background-color: var(--bg-secondary);
        border: 1px solid var(--border-color);
    }
}

/* =============================================================================
   Touch and Interaction Enhancements
   ============================================================================= */

/* Improve touch targets for interactive elements */
.tech-tag {
    min-height: 32px;
    display: inline-flex;
    align-items: center;
}


.timeline-content {
    touch-action: manipulation;
}


/* Add better focus indicators for accessibility */
.btn:focus,
.nav-link:focus,
.contact-link:focus,
.nav-toggle:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Improve hover states for touch devices */
@media (hover: hover) {
    .btn-primary:hover {
        background-color: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: var(--shadow-medium);
    }
    
    .btn-secondary:hover {
        background-color: var(--bg-secondary);
        border-color: var(--primary-color);
        color: var(--primary-color);
    }
}

/* Touch-specific styles */
@media (hover: none) {
    .btn:active {
        transform: scale(0.98);
    }
    
    .contact-link:active {
        transform: scale(0.98);
    }
    
    .nav-link:active {
        color: var(--primary-color);
    }
}

/* =============================================================================
   Cross-Device Compatibility
   ============================================================================= */

/* Ultra-wide screen optimizations */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-content {
        gap: var(--space-24);
    }
    
    .about-content,
    .contact-content {
        gap: var(--space-20);
    }
}

/* Landscape phone orientation */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: calc(80px + var(--space-6)) 0 var(--space-8);
    }
    
    .hero-content {
        gap: var(--space-8);
    }
    
    .profile-photo {
        max-width: 150px;
    }
    
    .floating-icon {
        display: none; /* Hide decorative elements in landscape */
    }
    
    section {
        padding: var(--space-8) 0;
    }
}

/* Tablet landscape optimizations */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: landscape) {
    .hero-content {
        grid-template-columns: 1.2fr 0.8fr;
        gap: var(--space-16);
    }
    
    .about-content {
        grid-template-columns: 1.5fr 1fr;
    }
}

/* Foldable device support */
@media (max-width: 673px) {
    .hero-content {
        gap: var(--space-8);
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .profile-photo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    .floating-icon {
        animation: none;
    }
    
    .photo-decoration {
        animation: none;
    }
    
    .title-line {
        animation: none;
        opacity: 1;
        transform: none;
    }
    
    .title-role {
        /* Keep typing effect even with reduced motion as it's content-based */
    }
    
    .hero-description,
    .hero-cta {
        animation: none;
        opacity: 1;
        transform: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --border-light: #333333;
        --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.5);
        --shadow-medium: 0 4px 8px rgba(0, 0, 0, 0.5);
    }
    
    .btn-secondary {
        border-width: 3px;
    }
}

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

/* Debug styles removed - buttons should now be properly centered */

/* =============================================================================
   Print Styles
   ============================================================================= */

@media print {
    .nav,
    .hero-visual,
    .floating-elements {
        display: none;
    }
    
    .hero {
        padding-top: var(--space-8);
    }
    
    section {
        padding: var(--space-8) 0;
        break-inside: avoid;
    }
    
    .timeline-content {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
}