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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    overflow-x: hidden;
    background: #fafafa;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

/* Navigation Styles */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo .logo-text {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: -0.5px;
}

.nav-logo .logo-text:hover {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    text-decoration: none;
    color: #1a1a1a;
    font-weight: 600;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

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

.nav-link:hover {
    color: #667eea;
    transform: translateY(-3px);
}

/* Active nav link styles */
.nav-link.active {
    color: #667eea;
}
.nav-link.active::after {
    width: 100%;
}

/* Navbar scrolled state */
.navbar.scrolled {
    background: rgba(255, 255, 255, 0.99);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 28px;
    height: 3px;
    background: #1a1a1a;
    margin: 4px 0;
    transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 3px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.15)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.4;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    color: white;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 2rem;
    line-height: 1.1;
    letter-spacing: -1px;
}

.title-line {
    display: block;
    opacity: 0;
    animation: slideInLeft 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards 0.5s;
}

.title-name {
    display: block;
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    animation: slideInLeft 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards 1s;
    text-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
}

.title-role {
    display: block;
    opacity: 0;
    animation: slideInLeft 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards 1.5s;
}

.hero-description {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0;
    animation: fadeInUp 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards 2s;
    line-height: 1.8;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.95);
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    opacity: 0;
    animation: fadeInUp 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards 2.5s;
}

.btn {
    padding: 16px 36px;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    font-size: 1rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.btn-primary {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    color: #1a1a1a;
    box-shadow: 0 6px 25px rgba(255, 215, 0, 0.4);
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 35px rgba(255, 215, 0, 0.6);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 3px solid white;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: white;
    color: #667eea;
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.3);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    animation: fadeInRight 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards 2s;
}

.hero-photo {
    position: relative;
    width: 320px;
    height: 320px;
}

.hero-photo-ring {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.hero-profile {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 8px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-profile:hover {
    transform: scale(1.05);
    border-color: rgba(255, 255, 255, 0.4);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    animation: fadeIn 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards 3s;
}

.scroll-arrow {
    width: 3px;
    height: 40px;
    background: white;
    position: relative;
    animation: scrollBounce 2.5s infinite;
    border-radius: 2px;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -4px;
    width: 11px;
    height: 11px;
    border-right: 3px solid white;
    border-bottom: 3px solid white;
    transform: rotate(45deg);
}

/* Section Styles */
section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 4rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

/* Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes scrollBounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

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

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

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

/* Enhanced About Section */
.about {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, white, transparent);
}

.about-content {
    display: block;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.about-text p:nth-child(2) {
    animation-delay: 0.3s;
}

.about-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 0.6s;
}

.stat-item:nth-child(2) {
    animation-delay: 0.8s;
}

.stat-item:nth-child(3) {
    animation-delay: 1s;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: translateX(30px);
    animation: slideInRight 1s ease forwards 0.6s;
}

/* Profile photo styles */
.image-container {
    width: 250px;
    height: 250px;
    position: relative;
    perspective: 800px;
}

.profile-photo {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    transform: translateZ(0);
    transition: transform 400ms ease, box-shadow 400ms ease, filter 400ms ease;
    z-index: 1;
}

.image-container:hover .profile-photo {
    transform: scale(1.03) translateY(-4px);
    box-shadow: 0 28px 60px rgba(0, 0, 0, 0.25);
}

.image-border {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 3px solid #667eea;
    border-radius: 20px;
    animation: rotate 20s linear infinite;
    z-index: 0;
}

.image-border::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid #764ba2;
    border-radius: 25px;
    animation: rotate 15s linear infinite reverse;
}

/* Enhanced Education Section */
.education {
    background: white;
    position: relative;
}

.education::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, #f8f9fa, transparent);
}

.education-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.education-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, #667eea, #764ba2);
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-item {
    margin-bottom: 4rem;
    position: relative;
    opacity: 0;
    transform: translateY(50px);
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.timeline-item:nth-child(2) {
    animation-delay: 0.3s;
}

.timeline-content {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.08);
    position: relative;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-left: 5px solid #667eea;
}

.timeline-content:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
    border-color: rgba(102, 126, 234, 0.3);
}

.timeline-header {
    margin-bottom: 1.5rem;
}

.timeline-header h3 {
    color: #667eea;
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.timeline-date {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.timeline-content h4 {
    color: #1a1a1a;
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.location {
    color: #666;
    font-style: italic;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.cgpa {
    font-weight: 700;
    color: #667eea;
    font-size: 1.1rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Skills Section */
.skills {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
}

.skills::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, white, transparent);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.skill-category {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.08);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    opacity: 0;
    transform: translateY(50px);
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    position: relative;
    overflow: hidden;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.skill-category:nth-child(2) {
    animation-delay: 0.2s;
}

.skill-category:nth-child(3) {
    animation-delay: 0.4s;
}

.skill-category:nth-child(4) {
    animation-delay: 0.6s;
}

.skill-category:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
    border-color: rgba(102, 126, 234, 0.2);
}

.skill-category h3 {
    color: #667eea;
    margin-bottom: 2rem;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.3px;
    position: relative;
}

.skill-category h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 2px;
}

.skill-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1.5rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem 1rem;
    background: linear-gradient(135deg, #f8f9fa, #ffffff);
    border-radius: 15px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    border-color: rgba(102, 126, 234, 0.3);
    background: linear-gradient(135deg, #ffffff, #f8f9fa);
}

.skill-item i {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 1rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-item:hover i {
    transform: scale(1.1);
    color: #764ba2;
}

.skill-item span {
    font-weight: 600;
    color: #1a1a1a;
    font-size: 0.9rem;
    letter-spacing: 0.3px;
}

/* Projects Section */
.projects {
    background: white;
    position: relative;
}

.projects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, #f8f9fa, transparent);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-top: 2rem;
}

.project-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.08);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    opacity: 0;
    transform: translateY(50px);
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.project-card:nth-child(2) {
    animation-delay: 0.3s;
}

.project-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
    border-color: rgba(102, 126, 234, 0.2);
}

.project-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9), rgba(118, 75, 162, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.project-overlay i {
    font-size: 3rem;
    color: white;
    transform: scale(0.8);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-overlay i {
    transform: scale(1.1);
}

.project-content {
    padding: 2.5rem;
}

.project-content h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1rem;
    line-height: 1.4;
    letter-spacing: -0.3px;
}

.project-content p {
    color: #555;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.project-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.project-tools span {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.project-type {
    display: inline-block;
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    color: #1a1a1a;
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

/* Enhanced Certifications Section */
.certifications {
    background: white;
    position: relative;
}

.certifications::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, #f8f9fa, transparent);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.cert-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.08);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    opacity: 0;
    transform: translateY(50px);
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    position: relative;
    overflow: hidden;
}

.cert-card:nth-child(2) {
    animation-delay: 0.3s;
}

.cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.cert-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
    border-color: rgba(102, 126, 234, 0.2);
}

.cert-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    margin-bottom: 2rem;
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cert-card:hover .cert-icon {
    transform: scale(1.1) rotate(5deg);
}

.cert-icon i {
    font-size: 2rem;
}

.cert-card h3 {
    color: #1a1a1a;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.cert-card p {
    color: #555;
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Contact Section */
.contact {
    background: white;
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, #f8f9fa, transparent);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9fa, #ffffff);
    border-radius: 20px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.contact-item:nth-child(2) {
    animation-delay: 0.3s;
}

.contact-item:nth-child(3) {
    animation-delay: 0.6s;
}

.contact-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    border-color: rgba(102, 126, 234, 0.3);
}

.contact-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-item:hover .contact-icon {
    transform: scale(1.1);
}

.contact-icon i {
    font-size: 1.5rem;
}

.contact-details h4 {
    color: #1a1a1a;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.contact-details p {
    color: #555;
    font-size: 0.95rem;
}

.contact-item:hover .contact-details p {
    color: white;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    text-decoration: none;
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.social-link:nth-child(2) {
    animation-delay: 0.3s;
}

.social-link:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
}

.social-link i {
    font-size: 1.5rem;
}

.social-link span {
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Enhanced Footer */
.footer {
    background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
    color: white;
    text-align: center;
    padding: 3rem 0;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.footer p {
    font-size: 1rem;
    opacity: 0.9;
    letter-spacing: 0.5px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-grid {
        grid-template-columns: 1fr;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 20px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2.5rem;
        margin-bottom: 3rem;
    }
}

/* Smooth scrolling and performance optimizations */
* {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8, #6a4190);
}

/* Enhanced Achievements Section */
.achievements {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
}

.achievements::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, #f8f9fa, transparent);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.achievement-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.08);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    opacity: 0;
    transform: translateY(50px);
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    position: relative;
    overflow: hidden;
}

.achievement-card:nth-child(2) {
    animation-delay: 0.3s;
}

.achievement-card:nth-child(3) {
    animation-delay: 0.6s;
}

.achievement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.achievement-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
    border-color: rgba(102, 126, 234, 0.2);
}

.achievement-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    margin-bottom: 2rem;
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.achievement-card:hover .achievement-icon {
    transform: scale(1.1) rotate(5deg);
}

.achievement-icon i {
    font-size: 2rem;
}

.achievement-card h3 {
    margin-bottom: 1rem;
    color: #1a1a1a;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.achievement-card p {
    color: #555;
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Enhanced Experience Section */
.experience {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
}

.experience::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, white, transparent);
}

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

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, #764ba2, #667eea);
    transform: translateX(-50%);
    border-radius: 2px;
}

/* Theme: Cyan/Blue */
.theme-cyan .hero {
    background: linear-gradient(135deg, #06b6d4 0%, #2563eb 100%);
}
.theme-cyan .btn-secondary:hover {
    color: #2563eb;
}
.theme-cyan .nav-link:hover { color: #0ea5e9; }
.theme-cyan .nav-link.active { color: #0ea5e9; }
.theme-cyan .project-tools span { color: #2563eb; }
.theme-cyan .skill-item:hover { background: #0ea5e9; }

/* Hero profile styles */
.hero-photo {
    position: relative;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.25);
    animation: float 6s ease-in-out infinite;
}
.hero-photo-ring {
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    background: conic-gradient(from 180deg, rgba(255,255,255,0.35), rgba(255,255,255,0));
    filter: blur(6px);
    z-index: 0;
}
.hero-profile {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.02);
    transition: transform 0.6s ease;
}
.hero-photo:hover .hero-profile {
    transform: scale(1.06);
}

@media (max-width: 768px) {
  .hero-photo { width: 200px; height: 200px; }
}