/* ===================================
   Modern Professional Resume CSS
   =================================== */

/* CSS Variables */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --text-dark: #2d3748;
    --text-gray: #718096;
    --text-light: #a0aec0;
    --bg-white: #ffffff;
    --bg-gray: #f7fafc;
    --bg-dark: #1a202c;
    --border-color: #e2e8f0;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--secondary-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
    color: white;
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 700;
    font-size: 1.5rem;
    transition: var(--transition);
}

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

.nav-name {
    color: var(--text-dark);
    transition: var(--transition);
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-gray);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    transition: var(--transition);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    z-index: 0;
}

.hero-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 2s ease-in-out;
    z-index: 0;
}

.hero-bg-image.active {
    opacity: 0.5;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.65) 0%, rgba(30, 41, 59, 0.65) 50%, rgba(15, 23, 42, 0.65) 100%);
    z-index: 1;
}

.shape {
    position: absolute;
    opacity: 0.1;
    border-radius: 50%;
    background: white;
    animation: float 20s infinite ease-in-out;
    filter: blur(2px);
}

.shape1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation: float 20s infinite ease-in-out, pulse 4s infinite ease-in-out;
    animation-delay: 0s;
}

.shape2 {
    width: 200px;
    height: 200px;
    bottom: 20%;
    right: 15%;
    animation: float 25s infinite ease-in-out, pulse 5s infinite ease-in-out;
    animation-delay: 7s;
}

.shape3 {
    width: 150px;
    height: 150px;
    top: 60%;
    left: 70%;
    animation: float 18s infinite ease-in-out, pulse 6s infinite ease-in-out;
    animation-delay: 14s;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.08;
        transform: scale(1);
    }
    50% {
        opacity: 0.15;
        transform: scale(1.1);
    }
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: white;
    max-width: 1000px;
}

.profile-image {
    margin-bottom: 2rem;
    animation: fadeInScale 1s ease-out;
}

@keyframes fadeInScale {
    0% {
        opacity: 0;
        transform: scale(0.5) rotate(-10deg);
    }
    60% {
        transform: scale(1.1) rotate(5deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

.profile-photo {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    object-position: center;
    border: 5px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: profilePulse 3s ease-in-out infinite, profileFloat 6s ease-in-out infinite;
    position: relative;
    z-index: 1;
    display: block;
}

.profile-image {
    position: relative;
    margin-bottom: 2rem;
    animation: fadeInScale 1s ease-out;
    width: 180px;
    height: 180px;
    margin-left: auto;
    margin-right: auto;
}

.profile-image::before {
    content: '';
    position: absolute;
    inset: -15px;
    border-radius: 50%;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.3), transparent, rgba(255, 255, 255, 0.3));
    animation: profileRotate 8s linear infinite;
    z-index: 0;
}

@keyframes profilePulse {
    0%, 100% {
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2), 0 0 0 0 rgba(255, 255, 255, 0.7);
    }
    50% {
        box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3), 0 0 0 20px rgba(255, 255, 255, 0);
    }
}

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

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

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
    animation: fadeInUp 0.8s ease-out 0.3s both;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    animation: fadeInUp 0.8s ease-out 0.5s both;
    color: #5eead4;
}

.hero-tagline {
    font-size: 1.35rem;
    opacity: 0.85;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.7s both;
    line-height: 1.6;
    color: #cbd5e1;
}

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

@keyframes shimmer {
    0% {
        background-position: -200% center;
    }
    100% {
        background-position: 200% center;
    }
}

.hero-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
    animation: fadeInUp 0.8s ease-out 0.9s both;
}

.social-icon {
    width: 55px;
    height: 55px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.social-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.3), transparent);
    opacity: 0;
    transition: var(--transition);
}

.social-icon:hover::before {
    opacity: 1;
    animation: ripple 0.6s ease-out;
}

.social-icon:hover {
    background: white;
    transform: translateY(-8px) scale(1.1);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.social-icon:hover svg {
    fill: var(--primary-color);
    transform: scale(1.1);
}

.social-icon svg {
    width: 22px;
    height: 22px;
    fill: white;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(2.5);
        opacity: 0;
    }
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 1.1s both;
}

.hero-actions .btn {
    position: relative;
    overflow: hidden;
}

.hero-actions .btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.hero-actions .btn:hover::after {
    width: 300px;
    height: 300px;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    animation: fadeIn 2s ease-out 1.5s both;
    cursor: pointer;
    transition: var(--transition);
}

.scroll-indicator:hover {
    transform: translateX(-50%) scale(1.1);
}

.scroll-indicator span {
    display: block;
    width: 28px;
    height: 45px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 20px;
    position: relative;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 5px;
    height: 10px;
    background: white;
    border-radius: 3px;
    animation: scroll 2s infinite;
    box-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

@keyframes scroll {
    0% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateX(-50%) translateY(18px);
        opacity: 0;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Sections */
.section {
    padding: 100px 20px;
    position: relative;
}

/* Alternating Section Backgrounds */
.section:nth-child(odd) {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.section:nth-child(even) {
    background: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%);
    position: relative;
}

.section:nth-child(even)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.85);
    z-index: 0;
}

.section:nth-child(even) .container {
    position: relative;
    z-index: 1;
}

/* About Section - Light Purple Gradient */
#about {
    background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
    position: relative;
    overflow: hidden;
}

#about::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.08) 0%, transparent 70%);
    top: -150px;
    right: -150px;
    z-index: 0;
    animation: float 25s infinite ease-in-out;
}

#about .container {
    position: relative;
    z-index: 1;
}

/* Experience Section - Soft Blue-Purple */
#experience {
    background: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%);
    position: relative;
    overflow: hidden;
}

#experience::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.88);
    z-index: 0;
}

#experience::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(142, 197, 252, 0.3) 0%, transparent 70%);
    top: 100px;
    left: -100px;
    z-index: 0;
    animation: float 18s infinite ease-in-out;
}

#experience .container {
    position: relative;
    z-index: 1;
}

/* Education Section - Light Gradient */
#education {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
    overflow: hidden;
}

#education::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.75);
    z-index: 0;
}

#education::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(195, 207, 226, 0.4) 0%, transparent 70%);
    bottom: -50px;
    left: -50px;
    z-index: 0;
    animation: float 15s infinite ease-in-out;
}

#education .container {
    position: relative;
    z-index: 1;
}

/* Skills Section - Vibrant Gradient */
#skills {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

#skills::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.93);
    z-index: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.05) 0%, transparent 50%);
}

#skills::after {
    content: '';
    position: absolute;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(118, 75, 162, 0.15) 0%, transparent 70%);
    top: 50%;
    right: -100px;
    transform: translateY(-50%);
    z-index: 0;
    animation: pulse 10s infinite ease-in-out;
}

#skills .container {
    position: relative;
    z-index: 1;
}

/* Projects Section - Cool Gradient */
#projects {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    position: relative;
    overflow: hidden;
}

#projects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.85);
    z-index: 0;
}

#projects::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168, 237, 234, 0.3) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    z-index: 0;
    animation: float 20s infinite ease-in-out;
}

#projects .container {
    position: relative;
    z-index: 1;
}

/* Contact Section - Professional Dark Gradient */
#contact {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

#contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.92);
    z-index: 0;
}

#contact::after {
    content: '';
    position: absolute;
    width: 450px;
    height: 450px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.2) 0%, transparent 70%);
    bottom: -150px;
    right: -150px;
    z-index: 0;
    animation: pulse 12s infinite ease-in-out;
}

#contact .container {
    position: relative;
    z-index: 1;
}

.section-gray {
    background: var(--bg-gray);
}

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

.section-gradient .section-title,
.section-gradient .section-subtitle,
.section-gradient h3 {
    color: white;
}

.section-gradient .section-title::after {
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.75rem;
    margin-bottom: 1rem;
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    margin: 1.5rem auto;
    border-radius: 2px;
    animation: slideIn 0.6s ease-out;
}

@keyframes slideIn {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        width: 80px;
        opacity: 1;
    }
}

.section-gradient .section-title::after {
    background: white;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 4rem;
}

.subsection-title {
    font-size: 2rem;
    margin: 4rem 0 2rem;
    text-align: center;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
    margin-top: 3rem;
    align-items: start;
}

.about-profile-wrapper {
    position: relative;
}

.about-profile-image {
    position: relative;
    width: 280px;
    height: 280px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
    animation: fadeIn 1s ease-out;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 5px;
}

.about-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 16px;
    transition: var(--transition);
}

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

.about-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-gray);
}

@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .about-profile-image {
        width: 240px;
        height: 240px;
        margin: 0 auto;
    }
}

.about-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    background: var(--bg-gray);
    padding: 1.5rem;
    border-radius: 16px;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.info-icon {
    font-size: 2rem;
}

.info-label {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 600;
}

.info-value a {
    color: var(--primary-color);
    word-break: break-all;
}

/* Timeline (Experience) */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 3rem auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: 3rem;
}

.timeline-marker {
    position: absolute;
    left: 18px;
    top: 0;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: white;
    border: 4px solid var(--primary-color);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2);
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.15);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(102, 126, 234, 0.1);
    border-left: 4px solid transparent;
}

.timeline-content:hover {
    transform: translateX(5px);
    box-shadow: 0 20px 50px rgba(102, 126, 234, 0.25);
    border-left-color: var(--primary-color);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.timeline-title {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin: 0;
}

.timeline-period {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.timeline-company {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.timeline-description {
    color: var(--text-gray);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.timeline-highlights {
    list-style: none;
    padding-left: 0;
}

.timeline-highlights li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-gray);
    line-height: 1.6;
}

.timeline-highlights li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Education */
.education-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.education-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.15);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.education-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.education-card:hover::before {
    transform: scaleX(1);
}

.education-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(102, 126, 234, 0.25);
}

.education-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.education-degree {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.education-field {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.education-institution {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.education-institution a {
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

.education-institution a:hover {
    color: var(--primary-color);
}

.education-meta {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.education-details {
    color: var(--text-gray);
    line-height: 1.6;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

/* Skills Tag Cloud - New Clean Design */
.skills-tag-cloud {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 3rem;
    padding: 2rem;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.6s ease-out;
}

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

.skill-category {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.15);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(102, 126, 234, 0.25);
    border-color: var(--primary-color);
}

.skill-category-title {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    display: inline-block;
    background: white;
    color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid rgba(102, 126, 234, 0.2);
    position: relative;
    overflow: hidden;
    cursor: default;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.1);
}

.skill-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.skills-tag-cloud .skill-tag:nth-child(6n+1) {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.12) 0%, rgba(118, 75, 162, 0.12) 100%);
    border-color: rgba(102, 126, 234, 0.3);
}

.skills-tag-cloud .skill-tag:nth-child(6n+2) {
    background: linear-gradient(135deg, rgba(168, 237, 234, 0.2) 0%, rgba(142, 197, 252, 0.2) 100%);
    border-color: rgba(142, 197, 252, 0.4);
    color: #5b8fc7;
}

.skills-tag-cloud .skill-tag:nth-child(6n+3) {
    background: linear-gradient(135deg, rgba(254, 214, 227, 0.3) 0%, rgba(224, 195, 252, 0.3) 100%);
    border-color: rgba(224, 195, 252, 0.4);
    color: #9b6db8;
}

.skills-tag-cloud .skill-tag:nth-child(6n+4) {
    background: linear-gradient(135deg, rgba(250, 208, 196, 0.25) 0%, rgba(255, 209, 255, 0.25) 100%);
    border-color: rgba(255, 182, 193, 0.4);
    color: #c97d9f;
}

.skills-tag-cloud .skill-tag:nth-child(6n+5) {
    background: linear-gradient(135deg, rgba(163, 228, 215, 0.2) 0%, rgba(160, 220, 255, 0.2) 100%);
    border-color: rgba(160, 220, 255, 0.4);
    color: #4a9dbf;
}

.skills-tag-cloud .skill-tag:nth-child(6n+6) {
    background: linear-gradient(135deg, rgba(255, 223, 186, 0.3) 0%, rgba(255, 176, 176, 0.3) 100%);
    border-color: rgba(255, 176, 176, 0.4);
    color: #d67d7d;
}

.skill-tag:hover {
    color: white;
    transform: translateY(-3px) scale(1.08);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.35);
    border-color: transparent;
}

.skill-tag:hover::before {
    opacity: 1;
}

/* Certifications */
.certifications-section {
    margin-top: 4rem;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.certification-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.certification-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.certification-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.certification-name {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.certification-issuer {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.certification-date {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.15);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover::before {
    opacity: 1;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(102, 126, 234, 0.25);
    border-color: var(--primary-color);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.project-name {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin: 0;
    flex: 1;
}

.project-links {
    display: flex;
    gap: 0.75rem;
}

.project-link {
    width: 36px;
    height: 36px;
    background: var(--bg-gray);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-gray);
    transition: var(--transition);
}

.project-link:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    transform: scale(1.1);
}

.project-description {
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex: 1;
}

.project-technologies {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    display: inline-block;
    background: var(--bg-gray);
    color: var(--text-gray);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 5rem;
    margin-top: 4rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.contact-info-section {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.contact-intro h3 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.contact-intro p {
    font-size: 1.0625rem;
    color: var(--text-gray);
    line-height: 1.8;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-method-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem 1.5rem;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
    text-decoration: none;
}

.contact-method-card:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.method-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.method-icon svg {
    color: white;
}

.method-text {
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 500;
}

@media (max-width: 1024px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .contact-wrapper {
        gap: 2.5rem;
    }
    
    .contact-form-wrapper {
        padding: 2rem;
    }
}

/* Contact Form */
.contact-form-wrapper {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    margin: 0;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.125rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    font-family: var(--font-family);
    background: var(--bg-gray);
    transition: var(--transition);
    color: var(--text-dark);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 160px;
    line-height: 1.6;
}

.btn-submit {
    width: 100%;
    margin-top: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    font-weight: 600;
    font-size: 1.0625rem;
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit svg {
    transition: var(--transition);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.btn-submit:hover svg {
    transform: translateX(5px);
}

.btn-submit:active {
    transform: translateY(0);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    color: white;
    padding: 4rem 20px 2rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--primary-color) 100%);
}

.footer::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    bottom: -100px;
    right: -100px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    color: white;
}

.footer-logo {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-tagline {
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.footer-description {
    color: var(--text-light);
    line-height: 1.6;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-light);
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social-link {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social-link:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    transform: translateY(-3px);
}

.footer-social-link svg {
    width: 20px;
    height: 20px;
    fill: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: var(--text-light);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.footer-credit {
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .skills-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .education-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-tagline {
        font-size: 1rem;
    }
    
    .section {
        padding: 60px 20px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    h1 { font-size: 2.25rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    .timeline::before {
        left: 15px;
    }
    
    .timeline-item {
        padding-left: 50px;
    }
    
    .timeline-marker {
        left: 6px;
    }
    
    .timeline-header {
        flex-direction: column;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .profile-placeholder {
        width: 120px;
        height: 120px;
        font-size: 3rem;
    }
    
    .education-grid,
    .skills-grid,
    .projects-grid,
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .skill-category,
    .project-card,
    .education-card {
        min-width: 0;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .scroll-indicator,
    .hero-actions,
    .contact-form,
    .footer {
        display: none;
    }
    
    .section {
        page-break-inside: avoid;
        padding: 20px 0;
    }
    
    .hero-section {
        min-height: auto;
        padding: 40px 0;
    }
}