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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #000000;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Glass Effect */
.glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1.5rem;
    padding: 2rem;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(to right, #ffffff, #a1a1aa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn-primary {
    background-color: #ffffff;
    color: #000000;
    border: none;
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-primary:hover {
    background-color: #e5e5e5;
    transform: translateY(-2px);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Loading Spinner */
.loading-spinner {
    width: 1rem;
    height: 1rem;
    border: 2px solid transparent;
    border-top: 2px solid #000000;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

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

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        max-height: 500px;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 1;
        max-height: 500px;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        max-height: 0;
        transform: translateY(-10px);
    }
}

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

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

.floating-animation {
    animation: float 6s ease-in-out infinite;
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

.fade-in-up:nth-child(2) { animation-delay: 0.2s; }
.fade-in-up:nth-child(3) { animation-delay: 0.4s; }
.fade-in-up:nth-child(4) { animation-delay: 0.6s; }
.fade-in-up:nth-child(5) { animation-delay: 0.8s; }

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    background-color: #ffffff;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon i {
    color: #000000;
    width: 1.5rem;
    height: 1.5rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
}

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

.nav-link {
    color: #a1a1aa;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: #ffffff;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #ffffff;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-mobile {
    display: none;
    margin-top: 1rem;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 0.5rem;
    padding: 1rem 0;
}

.nav-link-mobile {
    display: block;
    color: #a1a1aa;
    text-decoration: none;
    padding: 0.75rem 1rem;
    transition: all 0.2s ease;
}

.nav-link-mobile:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
}

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

.hero-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 50%, #000000 100%);
}

.floating-element {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    animation: float 6s ease-in-out infinite;
}

.floating-1 {
    width: 16rem;
    height: 16rem;
    background: rgba(255, 255, 255, 0.05);
    top: 25%;
    left: 25%;
}

.floating-2 {
    width: 24rem;
    height: 24rem;
    background: rgba(255, 255, 255, 0.03);
    bottom: 25%;
    right: 25%;
    animation-delay: 2s;
}

.floating-3 {
    width: 8rem;
    height: 8rem;
    background: rgba(255, 255, 255, 0.1);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    border-radius: 0.5rem;
    animation-delay: 4s;
}

.hero-content {
    text-align: center;
    max-width: 6xl;
    position: relative;
    z-index: 10;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 2rem;
    padding: 0.75rem 1.5rem;
    margin-bottom: 2rem;
    color: #ffffff;
    font-weight: 500;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 2rem;
    color: #ffffff;
}

.hero-description {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: #d1d5db;
    margin-bottom: 3rem;
    max-width: 4xl;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.hero-skills {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 3xl;
    margin: 0 auto;
}

.skill-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
}

.skill-card i {
    width: 3rem;
    height: 3rem;
    color: #ffffff;
    margin-bottom: 1rem;
}

.skill-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.skill-card p {
    color: #9ca3af;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: none;
    border: none;
    color: #ffffff;
    cursor: pointer;
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    width: 2rem;
    height: 2rem;
}

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

/* Section Styles */
section {
    padding: 8rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title {
    font-size: clamp(3rem, 6vw, 4rem);
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 2rem;
}

.section-description {
    font-size: 1.25rem;
    color: #9ca3af;
    max-width: 4xl;
    margin: 0 auto;
    line-height: 1.6;
}

.subsection-title {
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    text-align: center;
    margin-bottom: 3rem;
}

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

.about-visual .glass-card {
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.workspace-preview {
    text-align: center;
}

.workspace-icon {
    width: 6rem;
    height: 6rem;
    color: #ffffff;
    margin-bottom: 1rem;
}

.about-text h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 2rem;
}

.about-text p {
    font-size: 1.125rem;
    color: #d1d5db;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.feature-icon {
    width: 3rem;
    height: 3rem;
    background-color: #ffffff;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    color: #000000;
    width: 1.5rem;
    height: 1.5rem;
}

.feature-item span {
    color: #ffffff;
    font-weight: 500;
}

.focus-areas h4 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.focus-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0.75rem;
}

.focus-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.focus-item i {
    width: 1rem;
    height: 1rem;
    color: #ffffff;
    flex-shrink: 0;
}

.focus-item span {
    color: #d1d5db;
}

/* Skills Section - Compact Accordion */
.skills-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.skill-category {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.skill-category:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.skill-category.expanded {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.skill-category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.skill-category-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.skill-category-info {
    display: flex;
    align-items: center;
}

.skill-category-icon {
    width: 3rem;
    height: 3rem;
    background-color: #ffffff;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
}

.skill-category-icon i {
    color: #000000;
    width: 1.5rem;
    height: 1.5rem;
}

.skill-category-title {
    display: flex;
    flex-direction: column;
}

.skill-category h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.25rem;
}

.skill-count {
    font-size: 0.875rem;
    color: #9ca3af;
}

.expand-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: #9ca3af;
    transition: transform 0.3s ease;
}

.skill-category.expanded .expand-icon {
    transform: rotate(180deg);
}

/* Skills content - accordion style */
.skills-content {
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
    opacity: 0;
}

.skill-category.expanded .skills-content {
    max-height: 600px;
    opacity: 1;
}

.skills-list {
    padding: 0 1.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-height: 400px;
    overflow-y: auto;
}

/* Custom Scrollbar */
.skills-list::-webkit-scrollbar {
    width: 6px;
}

.skills-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.skills-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.skills-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Firefox scrollbar */
.skills-list {
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.2) rgba(255, 255, 255, 0.05);
}

.skill-item {
    display: flex;
    flex-direction: column;
}

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.2s ease;
}

.skill-header:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.1);
}

.skill-name {
    color: #ffffff;
    font-weight: 500;
    font-size: 0.95rem;
}

.skill-level-text {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Skill Level Colors */
.level-expert {
    background: rgba(139, 69, 19, 0.3);
    color: #d2691e;
    border: 1px solid rgba(139, 69, 19, 0.5);
}

.level-advanced {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.level-intermediate {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.level-beginner {
    background: rgba(234, 179, 8, 0.2);
    color: #facc15;
    border: 1px solid rgba(234, 179, 8, 0.3);
}

.level-noob {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.learning-section {
    text-align: center;
}

.learning-section h3 {
    font-size: 1.875rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.learning-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.learning-tag {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    color: #ffffff;
    font-weight: 500;
}

/* Projects Section */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
}

.filter-btn {
    padding: 1rem 2rem;
    border-radius: 2rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.filter-btn.active {
    background-color: #ffffff;
    color: #000000;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.project-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1.5rem;
    padding: 2rem;
    transition: all 0.3s ease;
}

.project-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-8px);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.project-icon {
    width: 3.5rem;
    height: 3.5rem;
    background-color: #ffffff;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-icon i {
    color: #000000;
    width: 1.75rem;
    height: 1.75rem;
}

.project-status {
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid;
}

.status-completed {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
    border-color: rgba(34, 197, 94, 0.3);
}

.status-in-progress {
    background: rgba(234, 179, 8, 0.2);
    color: #facc15;
    border-color: rgba(234, 179, 8, 0.3);
}

.status-planned {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    border-color: rgba(59, 130, 246, 0.3);
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
}

.project-description {
    color: #d1d5db;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-features {
    margin-bottom: 1.5rem;
}

.project-features h4 {
    color: #ffffff;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.features-list li {
    color: #9ca3af;
    font-size: 0.875rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.features-list li::before {
    content: '';
    width: 0.375rem;
    height: 0.375rem;
    background-color: #ffffff;
    border-radius: 50%;
    margin-top: 0.5rem;
    flex-shrink: 0;
}

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

.tech-tag {
    background: rgba(255, 255, 255, 0.1);
    color: #d1d5db;
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.875rem;
}

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

.project-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.2s ease;
}

.project-link:hover {
    color: #ffffff;
}

.project-link i {
    width: 1.25rem;
    height: 1.25rem;
}

.add-project-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: 1.5rem;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 400px;
    transition: all 0.3s ease;
}

.add-project-card:hover {
    border-color: rgba(255, 255, 255, 0.4);
}

.add-project-icon {
    width: 4rem;
    height: 4rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.add-project-icon i {
    color: #ffffff;
    width: 2rem;
    height: 2rem;
}

.add-project-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
}

.add-project-card p {
    color: #9ca3af;
    margin-bottom: 1.5rem;
}

.projects-footer {
    text-align: center;
}

.projects-footer h3 {
    font-size: 1.875rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.projects-footer p {
    color: #9ca3af;
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

/* Certifications Section */
.certifications-content {
    margin-bottom: 5rem;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.certification-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1.5rem;
    padding: 2rem;
    transition: all 0.3s ease;
}

.certification-card:hover {
    background: rgba(255, 255, 255, 0.1);
}

.certification-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.certification-icon {
    width: 3.5rem;
    height: 3.5rem;
    background-color: #ffffff;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.certification-icon i {
    color: #000000;
    width: 1.75rem;
    height: 1.75rem;
}

.certification-badges {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.certification-status {
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid;
}

.certification-priority {
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.priority-high {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.priority-medium {
    background: rgba(234, 179, 8, 0.2);
    color: #facc15;
}

.priority-low {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
}

.certification-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.75rem;
}

.certification-issuer {
    color: #9ca3af;
    font-weight: 500;
    margin-bottom: 1rem;
}

.certification-description {
    color: #d1d5db;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.certification-date {
    display: flex;
    align-items: center;
    color: #9ca3af;
    margin-bottom: 1rem;
}

.certification-date i {
    width: 1rem;
    height: 1rem;
    margin-right: 0.5rem;
}

.certification-link {
    display: inline-flex;
    align-items: center;
    color: #ffffff;
    text-decoration: none;
    transition: color 0.2s ease;
}

.certification-link:hover {
    color: #d1d5db;
}

.certification-link i {
    width: 1rem;
    height: 1rem;
    margin-right: 0.5rem;
}

.achievements-content {
    margin-bottom: 5rem;
}

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

.achievement-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1.5rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.achievement-card:hover {
    background: rgba(255, 255, 255, 0.1);
}

.achievement-icon {
    width: 5rem;
    height: 5rem;
    background-color: #ffffff;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.achievement-icon i {
    color: #000000;
    width: 2.5rem;
    height: 2.5rem;
}

.achievement-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
}

.achievement-card p {
    color: #9ca3af;
}

.learning-footer {
    text-align: center;
}

.learning-footer h3 {
    font-size: 1.875rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.learning-footer p {
    color: #9ca3af;
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

.platform-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 1.875rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 2.5rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.contact-icon {
    width: 4rem;
    height: 4rem;
    background-color: #ffffff;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: #000000;
    width: 2rem;
    height: 2rem;
}

.contact-details h4 {
    font-weight: 600;
    font-size: 1.25rem;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.contact-value {
    color: #ffffff;
    font-weight: 500;
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.contact-note {
    color: #9ca3af;
}

.discussion-topics {
    margin-bottom: 3rem;
}

.discussion-topics h4 {
    font-weight: 700;
    font-size: 1.5rem;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.topics-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.topics-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.topics-list i {
    width: 1.5rem;
    height: 1.5rem;
    color: #ffffff;
    flex-shrink: 0;
}

.topics-list span {
    color: #d1d5db;
}

.social-links h4 {
    font-weight: 600;
    font-size: 1.25rem;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

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

.social-link {
    width: 3.5rem;
    height: 3.5rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9ca3af;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    color: #ffffff;
    transform: scale(1.1);
}

.social-link i {
    width: 1.75rem;
    height: 1.75rem;
}

/* Enhanced Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    position: relative;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: #d1d5db;
    margin-bottom: 0.75rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    color: #ffffff;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ffffff;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.2);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #f87171;
    box-shadow: 0 0 0 2px rgba(248, 113, 113, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9ca3af;
}

.form-group textarea {
    resize: none;
}

.field-error {
    color: #f87171;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: block;
}

.form-submit {
    width: 100%;
    padding: 1rem;
    font-size: 1.125rem;
    font-weight: 600;
}

.form-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 0.75rem;
    padding: 1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #f87171;
}

.form-error i {
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
}

.form-success {
    text-align: center;
    padding: 3rem;
}

.form-success i {
    width: 5rem;
    height: 5rem;
    color: #4ade80;
    margin-bottom: 1.5rem;
}

.form-success h3 {
    font-size: 1.875rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
}

.form-success p {
    color: #d1d5db;
    font-size: 1.125rem;
}

/* Footer */
.footer {
    background-color: #000000;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 4rem 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.footer-description {
    color: #9ca3af;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.footer-links h3,
.footer-skills h3,
.footer-contact h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.footer-links ul,
.footer-skills ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.2s ease;
    cursor: pointer;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-skills li {
    color: #9ca3af;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-item i {
    width: 1.25rem;
    height: 1.25rem;
    color: #ffffff;
    flex-shrink: 0;
}

.contact-item span {
    color: #9ca3af;
}

.footer-opportunities {
    color: #9ca3af;
    font-size: 0.875rem;
}

.footer-opportunities p {
    margin-bottom: 0.75rem;
}

.footer-opportunities ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.footer-bottom p {
    color: #9ca3af;
    font-size: 0.875rem;
}

.back-to-top {
    background: none;
    border: none;
    color: #9ca3af;
    cursor: pointer;
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.back-to-top:hover {
    color: #ffffff;
}

/* Responsive Design */
@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
    
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-bottom {
        flex-direction: row;
    }
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
    
    .about-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 767px) {
    .nav-desktop {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-mobile.show {
        display: block;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-skills {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .focus-list {
        grid-template-columns: 1fr;
    }
    
    .platform-links {
        flex-direction: column;
    }
    
    .social-icons {
        justify-content: center;
    }
    
    .skills-grid {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    section {
        padding: 4rem 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .category-filter {
        flex-direction: column;
        align-items: center;
    }
    
    .learning-tags {
        flex-direction: column;
        align-items: center;
    }
}