/* ===== CSS VARIABLES ===== */
:root {
    --primary-color: #00eaff;
    --secondary-color: #00ffb3;
    --accent-color: #667eea;
    --dark-bg: #0a0a0a;
    --dark-surface: #1a1a1a;
    --light-bg: #ffffff;
    --light-surface: #f8f9fa;
    --text-dark: #333333;
    --text-light: #ffffff;
    --text-muted: #6c757d;
    --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-alt: linear-gradient(45deg, #667eea, #764ba2);
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-dark: 0 10px 40px rgba(0, 0, 0, 0.3);
    --border-radius: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-color: var(--dark-bg);
    --surface-color: var(--dark-surface);
    --text-color: var(--text-light);
    --text-secondary: #b0b0b0;
    --card-shadow: var(--shadow-dark);
}

[data-theme="light"] {
    --bg-color: var(--light-bg);
    --surface-color: var(--light-surface);
    --text-color: var(--text-dark);
    --text-secondary: var(--text-muted);
    --card-shadow: var(--shadow);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--transition);
    cursor: none;
}

/* ===== CUSTOM CURSOR ===== */
.cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    background: var(--gradient);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transition: transform 0.1s ease;
    mix-blend-mode: difference;
}

.cursor-follower {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.5;
}

.cursor-hover {
    cursor: none !important;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transition: var(--transition);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar.scrolled {
    background: rgba(26, 26, 26, 0.98);
    box-shadow: var(--shadow-dark);
    padding: 0.5rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient);
    border-radius: 2px;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.logo:hover::after {
    transform: scaleX(1);
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

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

.nav-menu a:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

.theme-toggle {
    background: var(--gradient);
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    padding: 0.7rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: 0 5px 20px rgba(0, 234, 255, 0.4);
}

.mobile-menu {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-surface) 50%, var(--dark-bg) 100%);
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, rgba(0, 234, 255, 0.1), rgba(0, 255, 179, 0.1));
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 10%;
    animation-delay: -7s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 60%;
    animation-delay: -14s;
}

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

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    z-index: 2;
    position: relative;
}

.hero-content {
    z-index: 2;
}

.hero-greeting {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    animation: slideInLeft 1s ease-out;
    font-weight: 500;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: slideInLeft 1s ease-out 0.2s both;
    background: linear-gradient(45deg, var(--text-light), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.8rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    animation: slideInLeft 1s ease-out 0.4s both;
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    animation: slideInLeft 1s ease-out 0.6s both;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3rem;
    animation: slideInLeft 1s ease-out 0.8s both;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    animation: slideInLeft 1s ease-out 1s both;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    background: rgba(0, 234, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 234, 255, 0.2);
    transition: var(--transition);
}

.stat:hover {
    transform: translateY(-5px);
    background: rgba(0, 234, 255, 0.2);
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideInRight 1s ease-out 0.8s both;
    position: relative;
}

.profile-container {
    position: relative;
    z-index: 2;
}

.profile-image {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid transparent;
    background: var(--gradient);
    padding: 5px;
    animation: pulse 3s infinite;
    transition: var(--transition);
}

.profile-image:hover {
    transform: scale(1.05);
}

.profile-ring {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border: 2px dashed var(--primary-color);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.profile-dots {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    gap: 10px;
}

.profile-dots span {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: bounce 2s infinite;
}

.profile-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.profile-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

.floating-icons {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-icons i {
    position: absolute;
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.7;
    animation: floatIcon 8s ease-in-out infinite;
}

.icon-1 { top: 10%; left: 10%; animation-delay: 0s; }
.icon-2 { top: 20%; right: 10%; animation-delay: 1s; }
.icon-3 { bottom: 30%; left: 0; animation-delay: 2s; }
.icon-4 { bottom: 10%; right: 20%; animation-delay: 3s; }
.icon-5 { top: 50%; left: -10%; animation-delay: 4s; }
.icon-6 { top: 70%; right: 0; animation-delay: 5s; }

@keyframes floatIcon {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.7;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 40px rgba(0, 234, 255, 0.4);
    }
    50% {
        box-shadow: 0 0 60px rgba(0, 234, 255, 0.8);
    }
}

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

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

/* ===== BUTTONS ===== */
.btn {
    padding: 15px 35px;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    transition: var(--transition);
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 5px 20px rgba(0, 234, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 234, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--primary-color);
    box-shadow: 0 5px 20px rgba(0, 234, 255, 0.2);
}

.btn-secondary:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 234, 255, 0.4);
}

/* ===== ANIMATIONS ===== */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ===== SECTIONS ===== */
.section {
    padding: 100px 0;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 4rem;
    position: relative;
    background: linear-gradient(45deg, var(--text-color), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
}

/* ===== ABOUT SECTION ===== */
.about {
    background: var(--surface-color);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 5rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

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

.about-overlay {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient);
    padding: 1rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.about-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-weight: 600;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.highlight {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-color);
    border-radius: 15px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.highlight:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 234, 255, 0.2);
}

.highlight i {
    font-size: 2rem;
    color: var(--primary-color);
}

.highlight h4 {
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
    color: var(--text-color);
}

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

/* ===== SKILLS SECTION ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.skill-category {
    background: var(--surface-color);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
}

.skill-category:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.skill-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    padding: 3px;
}

.skill-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.skill-category h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--text-color);
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    justify-content: center;
}

.skill-tag {
    background: rgba(0, 234, 255, 0.1);
    color: var(--primary-color);
    padding: 0.7rem 1.2rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid rgba(0, 234, 255, 0.2);
}

.skill-tag:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.05) translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 234, 255, 0.3);
}

/* ===== PROJECTS SECTION ===== */
.projects {
    background: var(--surface-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--bg-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    position: relative;
}

.project-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
}

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

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

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0, 234, 255, 0.9), rgba(0, 255, 179, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 1.2rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.project-link:hover {
    background: white;
    color: var(--primary-color);
    transform: scale(1.1);
}

.project-content {
    padding: 2rem;
}

.project-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    background: rgba(0, 234, 255, 0.1);
    color: var(--primary-color);
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(0, 234, 255, 0.2);
}

.project-stats {
    display: flex;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.project-stats span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* ===== EDUCATION SECTION ===== */
.education-content {
    display: grid;
    gap: 4rem;
}

.education-timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
    align-items: center;
}

.timeline-date {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
    padding: 1rem;
    background: var(--surface-color);
    border-radius: 15px;
    border: 2px solid var(--primary-color);
}

.timeline-content {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    position: relative;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: 0 15px 40px rgba(0, 234, 255, 0.2);
}

.timeline-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 3px solid var(--primary-color);
}

.timeline-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.timeline-content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: var(--text-color);
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.certifications {
    margin-top: 4rem;
}

.certifications h3 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-color);
}

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

.cert-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--surface-color);
    border-radius: 15px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.cert-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 234, 255, 0.2);
}

.cert-item img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.cert-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    color: var(--text-color);
}

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

/* ===== CONTACT SECTION ===== */
.contact {
    background: var(--surface-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-color);
    border-radius: 15px;
    transition: var(--transition);
    box-shadow: var(--card-shadow);
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 234, 255, 0.2);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.contact-details h4 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.contact-details p {
    color: var(--text-secondary);
}

.contact-form {
    background: var(--bg-color);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.form-header p {
    color: var(--text-secondary);
}

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

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.7rem;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    border: 2px solid rgba(0, 234, 255, 0.3);
    border-radius: 10px;
    background: var(--surface-color);
    color: var(--text-color);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 234, 255, 0.2);
    transform: translateY(-2px);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== SOCIAL LINKS ===== */
.social-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 3rem;
}

.social-link {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 1.3rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.social-link:hover::before {
    left: 100%;
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 30px rgba(0, 234, 255, 0.4);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark-surface);
    padding: 3rem 0;
    text-align: center;
    color: var(--text-light);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-text p {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: 0 5px 20px rgba(0, 234, 255, 0.3);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 30px rgba(0, 234, 255, 0.5);
}

/* ===== PARTICLES ===== */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.6;
    animation: particleFloat 6s linear infinite;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero-container {
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .about-content {
        gap: 3rem;
    }
    
    .contact-content {
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--dark-surface);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-dark);
    }
    
    .nav-menu.active {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-stats {
        justify-content: center;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

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

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

    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-item {
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: center;
    }
    
    .timeline-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cert-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .profile-image {
        width: 280px;
        height: 280px;
    }
    
    .floating-icons {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .skill-category {
        padding: 2rem;
    }
    
    .project-content {
        padding: 1.5rem;
    }
    
    .contact-form {
        padding: 2rem;
    }
    
    .profile-image {
        width: 250px;
        height: 250px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 200px;
        justify-content: center;
    }
}

/* ===== LOADING ANIMATION ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in-page {
    animation: fadeIn 0.5s ease-in;
}

/* ===== DARK/LIGHT MODE TRANSITIONS ===== */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--surface-color);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

/* ===== SELECTION STYLES ===== */
::selection {
    background: var(--primary-color);
    color: white;
}