/* ============================================================
   PREMIUM PORTFOLIO STYLESHEET
   World-class design for Senior Software Engineer
   ============================================================ */

/* ------------------------------------------------------------
   VARIABLES
------------------------------------------------------------ */
:root {
    /* Colors */
    --primary: #2563EB;
    --secondary: #3B82F6;
    --accent: #60A5FA;
    --bg-main: #F8FAFC;
    --surface: #FFFFFF;
    
    --text-main: #0F172A;
    --text-muted: #64748B;
    --text-light: #94A3B8;
    
    --border-light: rgba(15, 23, 42, 0.06);
    --border-hover: rgba(37, 99, 235, 0.2);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 1);
    
    /* Shadows */
    --shadow-sm: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -1px rgba(15, 23, 42, 0.03);
    --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.01);
    --shadow-lg: 0 25px 50px -12px rgba(15, 23, 42, 0.08);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.3);
    
    /* Geometry */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    
    /* Layout */
    --nav-height: 80px;
    --container-max: 1200px;
    --section-padding: 120px 0;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* ------------------------------------------------------------
   UTILITIES
------------------------------------------------------------ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 2;
}

.section {
    padding: var(--section-padding);
    position: relative;
}

.glass-card {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

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

/* ------------------------------------------------------------
   LOADER
------------------------------------------------------------ */
.loader {
    position: fixed;
    inset: 0;
    background: var(--bg-main);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    position: relative;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loader-circle {
    position: absolute;
    inset: 0;
    border: 2px solid transparent;
    border-top-color: var(--primary);
    border-right-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
}

.loader-text {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-main);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ------------------------------------------------------------
   SCROLL PROGRESS
------------------------------------------------------------ */
.scroll-progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 10000;
    background: transparent;
}

.scroll-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 0.1s ease;
    border-radius: 0 2px 2px 0;
}

/* ------------------------------------------------------------
   BACKGROUND SHAPES
------------------------------------------------------------ */
.bg-shapes {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: rgba(37, 99, 235, 0.3); /* Primary */
}

.shape-2 {
    bottom: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: rgba(96, 165, 250, 0.2); /* Accent */
    animation-delay: -5s;
}

.shape-3 {
    top: 40%;
    left: 60%;
    width: 400px;
    height: 400px;
    background: rgba(147, 197, 253, 0.2);
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -50px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* ------------------------------------------------------------
   TYPOGRAPHY & HEADERS
------------------------------------------------------------ */
.section-header {
    margin-bottom: 60px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-main);
    margin-bottom: 12px;
}

.title-line {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 4px;
}

/* ------------------------------------------------------------
   NAVIGATION
------------------------------------------------------------ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: transparent;
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-light);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.logo-dot {
    width: 6px;
    height: 6px;
    background-color: var(--primary);
    border-radius: 50%;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    position: relative;
    padding: 8px 0;
}

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

.nav-link:hover, .nav-link.active {
    color: var(--text-main);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.nav-toggle .line {
    width: 24px;
    height: 2px;
    background-color: var(--text-main);
    transition: var(--transition-base);
    border-radius: 2px;
}

/* ------------------------------------------------------------
   BUTTONS
------------------------------------------------------------ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn i {
    font-size: 0.9em;
    transition: transform 0.3s ease;
}

.btn:hover i {
    transform: translateX(4px);
}

.btn-primary {
    background-color: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.39);
}

.btn-primary:hover {
    background-color: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
    background-color: var(--surface);
    color: var(--text-main);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

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

/* ------------------------------------------------------------
   HERO SECTION
------------------------------------------------------------ */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-greeting {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.9rem;
}

.greeting-line {
    width: 40px;
    height: 2px;
    background-color: var(--primary);
}

.hero-name {
    font-size: clamp(3rem, 5vw, 4.5rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 16px;
    background: linear-gradient(to right, var(--text-main), #334155);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-title {
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    font-weight: 500;
    color: var(--secondary);
    margin-bottom: 24px;
    height: 32px;
}

.cursor {
    display: inline-block;
    width: 2px;
    background-color: var(--primary);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 520px;
}

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

/* Hero Visual & Glass Card */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    perspective: 1000px;
}

.image-glass-card {
    position: relative;
    padding: 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    transition: transform 0.1s ease-out;
    transform-style: preserve-3d;
}

.image-inner {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    transform: translateZ(20px);
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05);
}

.profile-img {
    width: 100%;
    max-width: 320px;
    aspect-ratio: 4/5;
    object-fit: cover;
    object-position: center top;
    display: block;
    margin: 0 auto;
}

/* Scroll indicator */
.scroll-down {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.6;
}

.scroll-down:hover {
    opacity: 1;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-main);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.wheel {
    width: 4px;
    height: 8px;
    background-color: var(--text-main);
    border-radius: 4px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

/* ------------------------------------------------------------
   ABOUT SECTION
------------------------------------------------------------ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-subtitle {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-main);
}

.about-text {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-highlights {
    margin-top: 32px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    color: var(--text-main);
}

.highlight-item i {
    color: var(--primary);
    font-size: 1.2rem;
}

/* Stats */
.about-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.stat-card {
    padding: 32px 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1;
    margin-bottom: 8px;
    letter-spacing: -0.03em;
}

.stat-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

/* ------------------------------------------------------------
   SKILLS SECTION (Premium Design)
------------------------------------------------------------ */
.skills-container {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.category-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-main);
    letter-spacing: -0.01em;
}

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

.skill-card-premium {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    position: relative;
    overflow: hidden;
    cursor: default;
}

.skill-card-premium::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 4px; height: 100%;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    opacity: 0;
    transition: var(--transition-base);
}

.skill-card-premium:hover::before {
    opacity: 1;
}

.skill-icon-glow {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(37, 99, 235, 0.06);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition-base);
    flex-shrink: 0;
}

.skill-card-premium:hover .skill-icon-glow {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
    transform: scale(1.05) rotate(-5deg);
}

.skill-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.skill-info h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
}

.skill-info p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* ------------------------------------------------------------
   EXPERIENCE SECTION
------------------------------------------------------------ */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0; left: 28px;
    height: 100%;
    width: 2px;
    background: var(--border-light);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: 48px;
}

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

.timeline-marker {
    position: absolute;
    top: 32px;
    left: 21px;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border: 4px solid var(--bg-main);
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
    z-index: 2;
}

.timeline-card {
    padding: 32px;
}

.timeline-header {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 24px;
}

.company-logo-placeholder {
    width: 56px;
    height: 56px;
    background: rgba(37, 99, 235, 0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    flex-shrink: 0;
}

.timeline-meta {
    flex: 1;
}

.role-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.company-name {
    color: var(--text-muted);
    font-weight: 500;
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.timeline-body ul {
    list-style: none;
}

.timeline-body li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

.timeline-body li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--text-light);
    border-radius: 50%;
}

/* ------------------------------------------------------------
   EDUCATION SECTION
------------------------------------------------------------ */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.edu-card {
    padding: 40px 32px;
    text-align: center;
}

.edu-icon {
    width: 64px;
    height: 64px;
    background: rgba(37, 99, 235, 0.05);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 24px;
}

.edu-year {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
    letter-spacing: 0.05em;
}

.edu-degree {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.edu-school {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.edu-univ {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 16px;
}

.edu-score {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
}

.edu-score span {
    font-weight: 700;
    color: var(--text-main);
}

/* ------------------------------------------------------------
   CONTACT SECTION
------------------------------------------------------------ */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    overflow: hidden;
}

.contact-info-panel {
    background: rgba(37, 99, 235, 0.02);
    padding: 60px 40px;
    border-right: 1px solid var(--border-light);
}

.contact-info-panel h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.contact-info-panel p {
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 48px;
}

.contact-detail-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.icon-box {
    width: 48px;
    height: 48px;
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    transition: var(--transition-base);
}

.contact-detail-item:hover .icon-box {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.detail-content {
    display: flex;
    flex-direction: column;
}

.detail-content .label {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

.detail-content .value {
    font-weight: 600;
    color: var(--text-main);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-icon {
    width: 44px;
    height: 44px;
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    font-size: 1.1rem;
}

.social-icon:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

/* Premium Form */
.contact-form-panel {
    padding: 60px 40px;
}

.premium-form {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.input-group {
    position: relative;
}

.input-group input,
.input-group textarea {
    width: 100%;
    background: transparent;
    border: none;
    padding: 12px 0;
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-main);
    outline: none;
    resize: vertical;
}

.input-group label {
    position: absolute;
    top: 12px;
    left: 0;
    color: var(--text-muted);
    font-size: 1rem;
    transition: var(--transition-base);
    pointer-events: none;
}

.input-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--border-light);
}

.input-line::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--primary);
    transition: var(--transition-base);
}

.input-group input:focus ~ label,
.input-group textarea:focus ~ label,
.input-group input:not(:placeholder-shown) ~ label,
.input-group textarea:not(:placeholder-shown) ~ label {
    top: -20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
}

.input-group input:focus ~ .input-line::after,
.input-group textarea:focus ~ .input-line::after {
    width: 100%;
}

.btn-submit {
    align-self: flex-start;
    margin-top: 16px;
}

/* ------------------------------------------------------------
   FOOTER
------------------------------------------------------------ */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-light);
    background: transparent;
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.footer-logo {
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--text-main);
    letter-spacing: -0.02em;
}

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

/* ------------------------------------------------------------
   RESPONSIVE DESIGN
------------------------------------------------------------ */
@media (max-width: 1024px) {
    .hero-container,
    .about-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .hero-content {
        order: 2;
        text-align: center;
    }
    
    .hero-greeting, .hero-cta {
        justify-content: center;
    }
    
    .hero-description {
        margin: 0 auto 40px;
    }
    
    .hero-visual {
        order: 1;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .contact-info-panel {
        border-right: none;
        border-bottom: 1px solid var(--border-light);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0; right: -100%;
        width: 100%; height: 100vh;
        background: var(--glass-bg);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 40px;
        transition: var(--transition-base);
    }
    
    .nav-links.open {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.5rem;
    }
    
    .nav-toggle.active .line-1 {
        transform: translateY(7px) rotate(45deg);
    }
    
    .nav-toggle.active .line-2 {
        opacity: 0;
    }
    
    .nav-toggle.active .line-3 {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    .hero-name {
        font-size: 2.5rem;
    }
    
    .about-stats-grid,
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 50px;
    }
    
    .timeline-marker {
        left: 12px;
    }
    
    .timeline-header {
        flex-direction: column;
        gap: 16px;
    }
}