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

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #4a4a4a;
    --accent-color: #007acc;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-light: #888888;
    --text-white: #ffffff;
    --bg-primary: #ffffff;
    --bg-secondary: #f7f8fc;
    --bg-tertiary: #e8eaf6;
    --bg-dark: #1a1a1a;
    --bg-darker: #0f0f0f;
    --bg-gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-gradient-2: linear-gradient(135deg, #f7f8fc 0%, #e8eaf6 100%);
    --bg-gradient-3: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-gradient-4: linear-gradient(135deg, #1a1a1a 0%, #4a4a4a 100%);
    --bg-gradient-5: linear-gradient(135deg, #007acc 0%, #005a9e 100%);
    --bg-gradient-6: linear-gradient(135deg, #f7f8fc 0%, #ffffff 100%);
    --bg-gradient-7: linear-gradient(135deg, #4a4a4a 0%, #1a1a1a 100%);
    --bg-gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-gradient-about: linear-gradient(135deg, #e8f5e8 0%, #f0f8ff 100%);
    --bg-gradient-skills: linear-gradient(135deg, #fff5f5 0%, #f0f8ff 100%);
    --bg-gradient-contact: linear-gradient(135deg, #f8f9fa 0%, #e8f2ff 100%);
    --shadow-light: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-colored: 0 10px 25px rgba(0, 122, 204, 0.2);
    --shadow-dark: 0 10px 25px rgba(26, 26, 26, 0.3);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

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

/* ================================
   TYPOGRAPHY
   ================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    background: var(--bg-gradient-5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 3rem;
}

.section-header {
    margin-bottom: 4rem;
}

/* ================================
   NAVIGATION
   ================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-light);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-logo .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

.nav-link i {
    font-size: 1rem;
}

/* Mobile Navigation */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ================================
   HERO SECTION
   ================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
}

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

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(0, 122, 204, 0.1);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    top: 30%;
    right: 30%;
    animation-delay: 1s;
}

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

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text {
    color: var(--text-primary);
}

.hero-title {
    margin-bottom: 1.5rem;
}

.greeting {
    display: block;
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.name {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.title-highlight {
    display: block;
    font-size: 1.5rem;
    font-weight: 500;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
    border: 2px solid var(--accent-color);
    position: relative;
    overflow: hidden;
}

.btn-primary::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 0.6s;
}

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

.btn-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 122, 204, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(0, 122, 204, 0.1);
    transition: left 0.5s;
}

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

.btn-secondary:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 122, 204, 0.3);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-container {
    position: relative;
    width: 350px;
    height: 350px;
}

.profile-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-heavy);
    transition: var(--transition);
}

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

.image-overlay {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--accent-color);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    font-size: 1.5rem;
}

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

/* ================================
   ABOUT SECTION
   ================================ */
.about {
    padding: 6rem 0;
    background: linear-gradient(135deg, #ffffff 0%, #f1f3f4 100%);
}

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

.about-text {
    padding: 2rem 0;
}

.main-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

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

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid rgba(0, 122, 204, 0.1);
}

.stat-item:nth-child(1) {
    background: linear-gradient(135deg, #ecfdf5 0%, #ffffff 100%);
    border-color: rgba(34, 197, 94, 0.2);
}

.stat-item:nth-child(2) {
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
    border-color: rgba(59, 130, 246, 0.2);
}

.stat-item:nth-child(3) {
    background: linear-gradient(135deg, #fef3c7 0%, #ffffff 100%);
    border-color: rgba(245, 158, 11, 0.2);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-colored);
    background: rgba(255, 255, 255, 0.95);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-wrapper {
    position: relative;
    width: 300px;
    height: 400px;
}

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

.image-decoration {
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 3px solid var(--primary-color);
    border-radius: var(--border-radius);
    z-index: -1;
}

/* ================================
   PROJECTS SECTION
   ================================ */
.projects {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.projects .section-title {
    background: var(--bg-gradient-5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.projects .section-subtitle {
    color: var(--text-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid rgba(0, 122, 204, 0.1);
    position: relative;
    overflow: hidden;
}

.project-card:nth-child(1) {
    background: linear-gradient(135deg, #fff5f5 0%, #ffffff 100%);
    border-color: rgba(255, 107, 107, 0.2);
}

.project-card:nth-child(2) {
    background: linear-gradient(135deg, #f0fff4 0%, #ffffff 100%);
    border-color: rgba(34, 197, 94, 0.2);
}

.project-card:nth-child(3) {
    background: linear-gradient(135deg, #fef3c7 0%, #ffffff 100%);
    border-color: rgba(245, 158, 11, 0.2);
}

.project-card:nth-child(4) {
    background: linear-gradient(135deg, #f3e8ff 0%, #ffffff 100%);
    border-color: rgba(147, 51, 234, 0.2);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 122, 204, 0.1), transparent);
    transition: left 0.6s;
}

.project-card:hover::before {
    left: 100%;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 122, 204, 0.2);
}

.project-icon {
    width: 60px;
    height: 60px;
    background: var(--bg-gradient-1);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.project-card:nth-child(1) .project-icon { background: var(--bg-gradient-1); }
.project-card:nth-child(2) .project-icon { background: var(--bg-gradient-5); }
.project-card:nth-child(3) .project-icon { background: var(--bg-gradient-4); }
.project-card:nth-child(4) .project-icon { background: var(--bg-gradient-7); }

.project-icon i {
    font-size: 1.5rem;
    color: white;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

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

.tech-tag {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    background: rgba(0, 122, 204, 0.1);
    border: 1px solid rgba(0, 122, 204, 0.2);
}

.project-link:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 122, 204, 0.3);
    border-color: var(--accent-color);
}

.project-link i {
    transition: var(--transition);
}

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

/* ================================
   SKILLS SECTION
   ================================ */
.skills {
    padding: 6rem 0;
    background: linear-gradient(135deg, #ffffff 0%, #e9ecef 100%);
}

.skills .section-title {
    background: var(--bg-gradient-5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skills .section-subtitle {
    color: var(--text-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.skill-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid rgba(0, 122, 204, 0.1);
    position: relative;
    overflow: hidden;
}

.skill-card:nth-child(1) {
    background: linear-gradient(135deg, #fef2f2 0%, #ffffff 100%);
    border-color: rgba(239, 68, 68, 0.2);
}

.skill-card:nth-child(2) {
    background: linear-gradient(135deg, #fffbeb 0%, #ffffff 100%);
    border-color: rgba(245, 158, 11, 0.2);
}

.skill-card:nth-child(3) {
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
    border-color: rgba(59, 130, 246, 0.2);
}

.skill-card:nth-child(4) {
    background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 100%);
    border-color: rgba(34, 197, 94, 0.2);
}

.skill-card:nth-child(5) {
    background: linear-gradient(135deg, #fdf4ff 0%, #ffffff 100%);
    border-color: rgba(168, 85, 247, 0.2);
}

.skill-card:nth-child(6) {
    background: linear-gradient(135deg, #f1f5f9 0%, #ffffff 100%);
    border-color: rgba(100, 116, 139, 0.2);
}

.skill-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0, 122, 204, 0.05), rgba(0, 122, 204, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 122, 204, 0.2);
}

.skill-card:hover::after {
    opacity: 1;
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: var(--bg-gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skill-card:nth-child(1) .skill-icon { background: var(--bg-gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.skill-card:nth-child(2) .skill-icon { background: var(--bg-gradient-5); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.skill-card:nth-child(3) .skill-icon { background: var(--bg-gradient-4); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.skill-card:nth-child(4) .skill-icon { background: var(--bg-gradient-7); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.skill-card:nth-child(5) .skill-icon { background: var(--bg-gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.skill-card:nth-child(6) .skill-icon { background: var(--bg-gradient-5); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.skill-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.skill-progress {
    width: 100%;
    height: 8px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 1rem;
}

.progress-bar {
    height: 100%;
    background: var(--bg-gradient-5);
    width: 0%;
    transition: width 2s ease-in-out;
    border-radius: 4px;
}

/* ================================
   CONTACT SECTION
   ================================ */
.contact {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f1f3f4 0%, #e9ecef 100%);
}

.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: 1rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid rgba(0, 122, 204, 0.1);
}

.contact-item:nth-child(1) {
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
    border-color: rgba(59, 130, 246, 0.2);
}

.contact-item:nth-child(2) {
    background: linear-gradient(135deg, #ecfdf5 0%, #ffffff 100%);
    border-color: rgba(34, 197, 94, 0.2);
}

.contact-item:nth-child(3) {
    background: linear-gradient(135deg, #fef3c7 0%, #ffffff 100%);
    border-color: rgba(245, 158, 11, 0.2);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-light);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--bg-gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.contact-item:nth-child(1) .contact-icon { background: var(--bg-gradient-5); }
.contact-item:nth-child(2) .contact-icon { background: var(--bg-gradient-1); }
.contact-item:nth-child(3) .contact-icon { background: var(--bg-gradient-4); }

.contact-details h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

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

.social-section h3 {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.social-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    font-weight: 500;
    border: 1px solid rgba(0, 122, 204, 0.1);
    position: relative;
    overflow: hidden;
}

.social-link.github {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border-color: rgba(100, 116, 139, 0.2);
}

.social-link.twitter {
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
    border-color: rgba(29, 155, 240, 0.2);
}

.social-link.instagram {
    background: linear-gradient(135deg, #fdf2f8 0%, #ffffff 100%);
    border-color: rgba(236, 72, 153, 0.2);
}

.social-link.facebook {
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
    border-color: rgba(24, 119, 242, 0.2);
}

.social-link.email {
    background: linear-gradient(135deg, #fef2f2 0%, #ffffff 100%);
    border-color: rgba(239, 68, 68, 0.2);
}

.social-link.whatsapp {
    background: linear-gradient(135deg, #ecfdf5 0%, #ffffff 100%);
    border-color: rgba(34, 197, 94, 0.2);
}

.social-link.medium {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    border-color: rgba(75, 85, 99, 0.2);
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 122, 204, 0.1), transparent);
    transition: left 0.6s;
}

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

.social-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: rgba(0, 122, 204, 0.3);
}

.social-link i {
    transition: var(--transition);
}

.social-link:hover i {
    transform: scale(1.2) rotateY(360deg);
}

.social-link.github:hover { background: linear-gradient(135deg, #24292e, #586069); color: white; }
.social-link.twitter:hover { background: linear-gradient(135deg, #1d9bf0, #0f1419); color: white; }
.social-link.instagram:hover { background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045); color: white; }
.social-link.facebook:hover { background: linear-gradient(135deg, #1877f2, #166fe5); color: white; }
.social-link.email:hover { background: linear-gradient(135deg, #ea4335, #34a853); color: white; }
.social-link.whatsapp:hover { background: linear-gradient(135deg, #25d366, #128c7e); color: white; }
.social-link.medium:hover { background: linear-gradient(135deg, #000000, #292929); color: white; }

.social-link i {
    font-size: 1.3rem;
}

/* ================================
   FOOTER
   ================================ */
.footer {
    background: linear-gradient(135deg, #343a40 0%, #495057 100%);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer-content p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

/* ================================
   BACK TO TOP BUTTON
   ================================ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--bg-gradient-5);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-colored);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

/* ================================
   RESPONSIVE DESIGN
   ================================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-medium);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hamburger {
        display: flex;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .name {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .social-links {
        grid-template-columns: 1fr;
    }
    
    .hero {
        padding-top: 100px;
        min-height: auto;
        padding-bottom: 4rem;
    }
    
    .image-container {
        width: 250px;
        height: 250px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 1rem 15px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .name {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .image-container {
        width: 200px;
        height: 200px;
    }
}

/* ================================
   ANIMATIONS & EFFECTS
   ================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@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 zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@media (prefers-reduced-motion: no-preference) {
    [data-aos] {
        opacity: 0;
        transition-property: opacity, transform;
    }
    
    [data-aos].aos-animate {
        opacity: 1;
    }
    
    [data-aos="fade-up"] {
        transform: translateY(30px);
    }
    
    [data-aos="fade-up"].aos-animate {
        transform: translateY(0);
    }
    
    [data-aos="zoom-in"] {
        transform: scale(0.8);
    }
    
    [data-aos="zoom-in"].aos-animate {
        transform: scale(1);
    }
    
    [data-aos="slide-left"] {
        transform: translateX(-50px);
    }
    
    [data-aos="slide-left"].aos-animate {
        transform: translateX(0);
    }
    
    [data-aos="slide-right"] {
        transform: translateX(50px);
    }
    
    [data-aos="slide-right"].aos-animate {
        transform: translateX(0);
    }
}

/* ================================
   UTILITY CLASSES
   ================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.hidden { display: none; }
.visible { display: block; }