/* ========================================
   AYUSHI VERMA - PORTFOLIO WEBSITE
   Design System & Styles
   ======================================== */

/* -------- CSS Variables (Dark Mode - Default) -------- */
:root {
    /* Colors - Dark Theme */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a25;
    --bg-card-hover: #222230;
    --accent: #e94560;
    --accent-light: #ff6b8a;
    --gold: #f4a261;
    --gold-light: #ffd49a;
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.15);
    --nav-bg: rgba(10, 10, 15, 0.8);

    /* Gradients */
    --gradient-accent: linear-gradient(135deg, var(--accent), #ff6b8a);
    --gradient-gold: linear-gradient(135deg, var(--gold), #ffd49a);
    --gradient-hero: linear-gradient(135deg, rgba(233, 69, 96, 0.1), rgba(244, 162, 97, 0.05));

    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(233, 69, 96, 0.3);
    --shadow-gold-glow: 0 0 40px rgba(244, 162, 97, 0.3);

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

/* -------- Light Mode -------- */
[data-theme="light"] {
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f3f4;
    --text-primary: #1a1a2e;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --border: rgba(0, 0, 0, 0.08);
    --border-light: rgba(0, 0, 0, 0.12);
    --nav-bg: rgba(248, 249, 250, 0.9);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.15);
}

/* -------- Theme Toggle Button -------- */
.theme-toggle {
    position: relative;
    width: 50px;
    height: 26px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    padding: 2px;
}

.theme-toggle:hover {
    border-color: var(--accent);
}

.theme-toggle-slider {
    width: 20px;
    height: 20px;
    background: var(--gradient-accent);
    border-radius: 50%;
    transition: transform var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle-slider svg {
    width: 12px;
    height: 12px;
    color: white;
}

[data-theme="light"] .theme-toggle-slider {
    transform: translateX(24px);
}

.theme-toggle .icon-moon,
[data-theme="light"] .theme-toggle .icon-sun {
    display: block;
}

.theme-toggle .icon-sun,
[data-theme="light"] .theme-toggle .icon-moon {
    display: none;
}

/* -------- Image Carousel Component -------- */
.carousel {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.carousel-track {
    display: flex;
    height: 100%;
    transition: transform var(--transition-base);
}

.carousel-slide {
    flex: 0 0 100%;
    height: 100%;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition-fast);
    z-index: 10;
    color: var(--text-primary);
}

.carousel:hover .carousel-btn {
    opacity: 1;
}

.carousel-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.carousel-btn.prev {
    left: 10px;
}

.carousel-btn.next {
    right: 10px;
}

.carousel-btn svg {
    width: 16px;
    height: 16px;
}

.carousel-dots {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 10;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.carousel-dot.active,
.carousel-dot:hover {
    background: var(--accent);
    transform: scale(1.2);
}

/* Light mode carousel dots */
[data-theme="light"] .carousel-dot {
    background: rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .carousel-dot.active,
[data-theme="light"] .carousel-dot:hover {
    background: var(--accent);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

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

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

/* -------- Typography -------- */
h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.75rem);
}

h4 {
    font-size: 1.125rem;
}

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

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

/* -------- Layout -------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

section {
    padding: var(--space-4xl) 0;
}

/* -------- Navigation -------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-lg) 0;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

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

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--accent);
}

.nav-cta {
    padding: var(--space-sm) var(--space-lg);
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    color: white !important;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Mobile menu toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
}

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

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

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(233, 69, 96, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(244, 162, 97, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

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

.hero-greeting {
    font-size: 1.1rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.hero-greeting::before {
    content: '';
    width: 40px;
    height: 2px;
    background: var(--accent);
}

.hero-name {
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    min-height: 1.5em;
}

.hero-title .cursor {
    display: inline-block;
    width: 3px;
    height: 1.2em;
    background: var(--accent);
    margin-left: 4px;
    animation: blink 1s infinite;
}

@keyframes blink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-2xl);
}

.hero-cta {
    display: flex;
    gap: var(--space-lg);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-base);
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

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

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

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-photo-wrapper {
    position: relative;
    width: 450px;
    height: 550px;
}

.hero-photo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center bottom;
    border-radius: var(--radius-xl);
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.4));
}

.hero-photo-wrapper::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--accent);
    border-radius: var(--radius-xl);
    z-index: -1;
}

.hero-photo-wrapper::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: -15px;
    width: 100%;
    height: 100%;
    background: var(--gradient-gold);
    opacity: 0.2;
    border-radius: var(--radius-xl);
    z-index: -2;
}

.hero-badge {
    position: absolute;
    bottom: 30px;
    left: -40px;
    background: var(--bg-card);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}

.hero-badge-title {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-xs);
}

.hero-badge-text {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gold);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-muted);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

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

.scroll-indicator svg {
    width: 24px;
    height: 24px;
}

/* -------- Section Title -------- */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-md);
}

.section-label::before,
.section-label::after {
    content: '';
    width: 30px;
    height: 1px;
    background: var(--accent);
}

.section-title {
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* -------- Tabs -------- */
.tabs-section {
    background: var(--bg-secondary);
}

.tabs-nav {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    background: var(--bg-card);
    padding: var(--space-sm);
    border-radius: var(--radius-full);
    width: fit-content;
    margin: 0 auto var(--space-3xl);
}

.tab-btn {
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

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

.tab-btn.active {
    background: var(--gradient-accent);
    color: white;
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* -------- Education Cards -------- */
.education-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.education-card {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all var(--transition-base);
}

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

.education-card-image {
    height: 200px;
    overflow: hidden;
}

.education-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.education-card:hover .education-card-image img {
    transform: scale(1.1);
}

.education-card-content {
    padding: var(--space-xl);
}

.education-card-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(233, 69, 96, 0.15);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-md);
}

.education-card h4 {
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.education-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* -------- Experience Timeline -------- */
.experience-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
    transform: translateX(-50%);
}

.experience-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
    position: relative;
}

.experience-item::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 30px;
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 0 4px var(--bg-secondary), 0 0 20px rgba(233, 69, 96, 0.5);
}

.experience-item:nth-child(even) .experience-content {
    order: 2;
    text-align: left;
}

.experience-item:nth-child(even) .experience-image {
    order: 1;
}

.experience-item:nth-child(odd) .experience-content {
    text-align: right;
}

.experience-content {
    padding: var(--space-xl);
}

.experience-company {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
}

.experience-role {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
}

.experience-points {
    list-style: none;
}

.experience-points li {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.experience-item:nth-child(odd) .experience-points li {
    justify-content: flex-end;
}

.experience-points li::before {
    content: '→';
    color: var(--accent);
    flex-shrink: 0;
}

.experience-item:nth-child(odd) .experience-points li::before {
    order: 2;
    content: '←';
}

.experience-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.experience-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

/* -------- Projects Grid -------- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.project-card {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all var(--transition-base);
}

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

.project-card.featured {
    grid-column: span 2;
}

.project-card.featured .project-image {
    height: 300px;
}

.project-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 10, 15, 0.9) 0%, transparent 60%);
}

.project-content {
    padding: var(--space-xl);
}

.project-category {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(244, 162, 97, 0.15);
    color: var(--gold);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-md);
}

.project-title {
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* -------- Interviews Section -------- */
.interviews-section {
    background: var(--bg-primary);
}

.interviews-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.interview-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 3/4;
    cursor: pointer;
    transition: all var(--transition-base);
}

.interview-card:hover {
    transform: scale(1.05);
    z-index: 10;
}

.interview-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.interview-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 10, 15, 0.95) 0%, rgba(10, 10, 15, 0.3) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.interview-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
}

.interview-role {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* -------- Achievements Section -------- */
.achievements-section {
    background: var(--bg-secondary);
}

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

.achievement-card {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all var(--transition-base);
}

.achievement-card.featured {
    grid-column: span 2;
    grid-row: span 2;
}

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

.achievement-image {
    height: 200px;
    overflow: hidden;
}

.achievement-card.featured .achievement-image {
    height: 300px;
}

.achievement-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.achievement-content {
    padding: var(--space-xl);
}

.achievement-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    font-size: 1.5rem;
}

.achievement-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    color: var(--gold);
}

.achievement-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

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

.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
}

.skill-tag {
    padding: var(--space-md) var(--space-xl);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.skill-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px);
}

/* -------- Contact Section -------- */
.contact-section {
    background: var(--bg-secondary);
    text-align: center;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-email {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    color: var(--accent);
    margin: var(--space-xl) 0;
    transition: color var(--transition-base);
}

.contact-email:hover {
    color: var(--accent-light);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.social-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-5px);
}

/* -------- Footer -------- */
.footer {
    background: var(--bg-primary);
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--border);
}

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

.footer-text {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

/* -------- Scroll Animations -------- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

    .hero-text {
        max-width: 100%;
    }

    .hero-greeting::before {
        display: none;
    }

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

    .hero-photo-wrapper {
        width: 300px;
        height: 380px;
        margin: 0 auto;
    }

    .hero-badge {
        left: 50%;
        transform: translateX(-50%);
        bottom: -20px;
    }

    .education-grid,
    .projects-grid,
    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .project-card.featured,
    .achievement-card.featured {
        grid-column: span 2;
        grid-row: span 1;
    }

    .interviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .experience-timeline::before {
        left: 30px;
    }

    .experience-item {
        grid-template-columns: 1fr;
        padding-left: 60px;
    }

    .experience-item::before {
        left: 30px;
    }

    .experience-item:nth-child(odd) .experience-content,
    .experience-item:nth-child(even) .experience-content {
        text-align: left;
        order: 1;
    }

    .experience-item:nth-child(odd) .experience-points li {
        justify-content: flex-start;
    }

    .experience-item:nth-child(odd) .experience-points li::before {
        order: 0;
        content: '→';
    }

    .experience-image {
        order: 2;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .tabs-nav {
        flex-wrap: wrap;
        border-radius: var(--radius-lg);
    }

    .tab-btn {
        padding: var(--space-sm) var(--space-lg);
        font-size: 0.85rem;
    }

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

    .project-card.featured,
    .achievement-card.featured {
        grid-column: span 1;
    }

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

    .footer-content {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --space-lg: 1rem;
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
        --space-3xl: 2.5rem;
        --space-4xl: 3rem;
    }

    .hero-photo-wrapper {
        width: 250px;
        height: 320px;
    }

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

    .interview-card {
        aspect-ratio: 4/3;
    }

    .interview-overlay {
        opacity: 1;
    }
}