/* ==========================================================================
   Portfolio Styles - Visha Yadav
   Clean, professional portfolio with enhanced sections
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
    /* Colors */
    --color-bg: #f0f4f8;
    --color-bg-alt: #ffffff;
    --color-bg-card: #f8fafc;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --color-text-light: #94a3b8;
    --color-accent: #334155;
    --color-accent-light: #475569;
    --color-primary: #334155;
    --color-primary-light: #475569;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    --color-success: #22c55e;

    /* Typography */
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --space-xs: 0.375rem;
    --space-sm: 0.75rem;
    --space-md: 1.25rem;
    --space-lg: 1.75rem;
    --space-xl: 2.5rem;
    --space-2xl: 3.5rem;
    --space-3xl: 5rem;

    /* Layout */
    --max-width: 1200px;
    --nav-height: 64px;

    /* Transitions */
    --transition-fast: 150ms ease-out;
    --transition-base: 300ms ease-out;
    --transition-slow: 500ms ease-out;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 12px 32px rgba(51, 65, 85, 0.1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

@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-body);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Page load animation */
body:not(.loaded) {
    overflow: hidden;
}

body.loaded .navbar {
    animation: slideDown 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    letter-spacing: -0.01em;
}

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

p {
    color: var(--color-text-muted);
}

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

/* --------------------------------------------------------------------------
   Layout Utilities
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-3xl) 0;
}

.section-title {
    margin-bottom: var(--space-xl);
    position: relative;
    text-align: center;
}

.section-title::after {
    content: '';
    display: block;
    width: 48px;
    height: 3px;
    background: var(--color-accent);
    margin: var(--space-sm) auto 0;
    border-radius: 2px;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

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

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
    padding: 0.75rem 1.5rem;
}

.btn-outline:hover {
    border-color: var(--color-text);
    background: var(--color-bg-alt);
}

.btn-text {
    background: transparent;
    color: var(--color-text-muted);
    padding: 0.5rem 0;
    font-size: 0.875rem;
}

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

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(240, 244, 248, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-light);
    z-index: 1000;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-muted);
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-text);
    background: var(--color-bg-alt);
}

.nav-cta {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

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

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
    background: var(--color-bg);
}

.hero-container {
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg);
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-2xl);
    align-items: center;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-bg-card);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    margin-bottom: var(--space-md);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-name {
    margin-bottom: var(--space-sm);
    font-weight: 800;
}

.hero-role {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    font-family: var(--font-mono);
    font-weight: 400;
    letter-spacing: -0.01em;
}

.hero-statement {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.hero-stats {
    display: block;
    color: var(--color-text);
    font-weight: 600;
    margin-top: 0.25rem;
}

.hero-ctas {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

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

.hero-location {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.social-icon:hover {
    color: var(--color-text);
    background: var(--color-bg-alt);
}

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

.profile-frame {
    position: relative;
    width: 380px;
    height: 440px;
    will-change: transform;
}

.profile-decoration {
    position: absolute;
    top: 20px;
    right: -20px;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-text-light) 100%);
    border-radius: 20px;
    z-index: 1;
    opacity: 0.15;
}

.profile-frame::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: 12px;
    bottom: 28px;
    border: 2px solid var(--color-accent);
    border-radius: 20px;
    opacity: 0.3;
}

.profile-photo {
    position: relative;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: 20px;
    z-index: 2;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.profile-frame:hover .profile-photo {
    transform: scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

/* Float animation for profile image */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-12px);
    }
}


/* Hero Animation */
.animate-hero {
    opacity: 0;
    transform: translateY(24px);
}

.animate-hero.visible {
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

/* --------------------------------------------------------------------------
   Why Hire Me Section
   -------------------------------------------------------------------------- */
.why-hire {
    background: var(--color-bg);
}

.why-hire-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
}

.why-hire-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    font-style: italic;
    margin-bottom: var(--space-md);
}

.why-hire-subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
}

.why-hire-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.hire-card {
    background: var(--color-bg-alt);
    border: 1px solid black;
    border-radius: 16px;
    padding: var(--space-lg);
    transition: all var(--transition-fast);
}

.hire-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.hire-card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border-radius: 12px;
    margin-bottom: var(--space-md);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.hire-card:hover .hire-card-icon {
    background: var(--color-accent);
    color: white;
    transform: scale(1.05);
}

.hire-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.hire-card p {
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Stats Bar */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--color-bg-card);
    border-radius: 16px;
    padding: var(--space-xl) var(--space-lg);
    border: 1px solid black;
}

.stat-item {
    text-align: center;
    transition: transform var(--transition-fast);
}

.stat-item:hover {
    transform: translateY(-4px);
}

.stat-number {
    display: block;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
    transition: color var(--transition-fast);
}

.stat-item:hover .stat-number {
    color: var(--color-accent);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

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

.skills-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

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

.skill-card {
    background: var(--color-bg-card);
    border: 1px solid black;
    border-radius: 12px;
    padding: var(--space-md);
    transition: all var(--transition-fast);
}

.skill-card:hover {
    border-color: var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.skill-card:hover .skill-card-header svg {
    transform: scale(1.1);
}

.skill-card-header svg {
    transition: transform var(--transition-fast);
}

.skill-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.skill-card-header h3 {
    font-size: 0.9375rem;
    font-weight: 600;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Experience Section - Timeline Style
   -------------------------------------------------------------------------- */
.experience {
    background: var(--color-bg);
}

.timeline {
    position: relative;
    padding-left: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--color-border);
}

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

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

.timeline-marker {
    position: absolute;
    left: -2rem;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-bg-alt);
    border: 3px solid var(--color-accent);
    z-index: 1;
}

.timeline-content {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
    padding: var(--space-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.timeline-header {
    margin-bottom: var(--space-sm);
}

.timeline-header h3 {
    color: var(--color-text);
    margin-bottom: 0.125rem;
}

.timeline-company {
    display: block;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.9375rem;
}

.timeline-date {
    display: block;
    color: var(--color-text-light);
    font-size: 0.8125rem;
    margin-top: 0.25rem;
}

.timeline-points {
    margin-left: var(--space-md);
}

.timeline-points li {
    position: relative;
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin-bottom: 0.375rem;
    list-style: disc;
    line-height: 1.6;
}

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

/* --------------------------------------------------------------------------
   Projects Section
   -------------------------------------------------------------------------- */
.projects {
    background: var(--color-bg-alt);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.project-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: 16px;
    padding: var(--space-lg);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

.project-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-label {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    background: var(--color-bg);
    padding: 0.25rem 0.625rem;
    border-radius: 4px;
    margin-bottom: var(--space-sm);
    width: fit-content;
}

.project-title {
    font-size: 1.25rem;
    margin-bottom: 0.375rem;
}

.project-problem {
    color: var(--color-accent);
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: var(--space-sm);
}

.project-description {
    font-size: 0.9375rem;
    margin-bottom: var(--space-md);
    line-height: 1.65;
    flex: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-bottom: var(--space-sm);
}

.project-tech span {
    font-size: 0.75rem;
    color: var(--color-text-light);
    background: var(--color-bg-alt);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--color-border);
}

.project-links {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
    margin-top: auto;
}

.project-code-note {
    font-size: 0.8125rem;
    font-style: italic;
    color: var(--color-text-light);
    margin-top: auto;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--color-border-light);
}

/* --------------------------------------------------------------------------
   Education Section
   -------------------------------------------------------------------------- */
.education {
    background: var(--color-bg);
}

.education-grid {
    max-width: 700px;
    margin: 0 auto;
}

.education-card {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.education-degree {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.education-school {
    font-size: 1rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 0.125rem;
}

.education-location {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    margin-bottom: var(--space-sm);
}

.education-meta {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.education-duration,
.education-cgpa {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

.education-cgpa {
    font-weight: 700;
    color: var(--color-accent);
}

.education-highlight {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    font-style: italic;
}

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

.contact-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.contact-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.contact-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.contact-title {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.contact-subtitle {
    font-size: 1.125rem;
    max-width: 500px;
    margin: 0 auto;
}

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

.contact-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
    transition: all var(--transition-fast);
    position: relative;
}

.contact-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.contact-card:hover .contact-card-arrow {
    opacity: 1;
    transform: translate(0, 0);
}

.contact-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border-radius: 10px;
    color: var(--color-text);
    flex-shrink: 0;
}

.contact-card-content {
    flex: 1;
    min-width: 0;
}

.contact-card-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
    margin-bottom: 0.125rem;
}

.contact-card-value {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.contact-card-arrow {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    color: var(--color-accent);
    opacity: 0;
    transform: translate(-4px, 4px);
    transition: all var(--transition-fast);
}

.contact-closing {
    text-align: center;
    font-size: 1rem;
    color: var(--color-text-muted);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border-light);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    padding: var(--space-md) 0;
    text-align: center;
    border-top: 1px solid var(--color-border-light);
    background: var(--color-bg);
}

.footer p {
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   Scroll Animations
   -------------------------------------------------------------------------- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.fade-in-stagger {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Section reveal animation */
.section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Hero section should be visible immediately */
.hero {
    opacity: 1;
    transform: none;
}

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .why-hire-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }

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

@media (max-width: 900px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-xl);
    }

    .hero-content {
        max-width: 100%;
        order: 2;
    }

    .hero-image {
        order: 1;
    }

    .hero-badge {
        margin: 0 auto var(--space-md);
    }

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

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

    .profile-frame {
        width: 280px;
        height: 340px;
    }

    .profile-decoration {
        top: 15px;
        right: -15px;
    }

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

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

    .contact-card-value {
        font-size: 0.8125rem;
    }

    .nav-cta {
        display: none;
    }
}

@media (max-width: 640px) {
    :root {
        --space-3xl: 3.5rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--color-bg-alt);
        flex-direction: column;
        padding: var(--space-md);
        gap: 0;
        border-bottom: 1px solid var(--color-border-light);
        box-shadow: var(--shadow-md);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: var(--space-sm) 0;
        border-bottom: 1px solid var(--color-border-light);
    }

    .nav-links a:last-child {
        border-bottom: none;
    }

    .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);
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--nav-height) + var(--space-lg));
        padding-bottom: var(--space-lg);
    }

    .profile-frame {
        width: 220px;
        height: 280px;
    }

    .why-hire-cards {
        grid-template-columns: 1fr;
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
        padding: var(--space-lg) var(--space-md);
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .timeline {
        padding-left: 1.5rem;
    }

    .timeline-marker {
        left: -1.5rem;
        width: 14px;
        height: 14px;
    }

    .timeline::before {
        left: 6px;
    }

    .education-meta {
        flex-direction: column;
        gap: 0.25rem;
    }

    .section-title {
        font-size: 1.5rem;
    }
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
    .navbar,
    .nav-toggle {
        display: none;
    }

    .section {
        padding: var(--space-lg) 0;
        break-inside: avoid;
    }

    .hero {
        min-height: auto;
        padding-top: 0;
    }
}