/* Modern Color Scheme */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --accent-secondary: #ec4899;
    --bg-color: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-card: #ffffff;
    --bg-card-rgb: 255, 255, 255;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.08);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.15), 0 8px 10px -6px rgb(0 0 0 / 0.15);
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-secondary: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    --border-radius-sm: 0.5rem;
    --border-radius-md: 0.75rem;
    --border-radius-lg: 1rem;
    --transition-default: all 0.3s ease;
}

[data-theme="dark"] {
    --bg-color: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --bg-card-rgb: 30, 41, 59;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--bg-secondary);
}

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    transition: var(--transition-default);
}

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

/* Main Navigation with Search */
.main-nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-default);
}

[data-theme="dark"] .main-nav {
    background: rgba(15, 23, 42, 0.95);
}

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

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    gap: 1rem;
    position: relative;
}

.nav-brand {
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.nav-brand:hover {
    opacity: 0.8;
    transform: scale(1.05);
}

.nav-brand h2 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    margin: 0;
    font-size: 1.5rem;
}

.nav-search {
    flex: 1;
    max-width: 400px;
}

.search-bar {
    position: relative;
    width: 100%;
}

.search-bar>i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1rem;
}

.search-bar input {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 2.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: var(--transition-default);
    box-shadow: var(--shadow-sm);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.clear-btn {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.25rem;
    opacity: 0;
    transition: var(--transition-default);
    font-size: 1rem;
}

.clear-btn.visible {
    opacity: 1;
}

.clear-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-default);
    position: relative;
    padding: 0.5rem 0;
    font-size: 0.95rem;
}

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

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* Theme Toggle (now inside navbar) */
.theme-toggle {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    border: none;
    background: var(--gradient-primary);
    color: white;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-default);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: var(--shadow-md);
}

.nav-toggle {
    display: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* Category Navigation */
.category-nav {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 4rem;
    z-index: 100;
    padding: 0.75rem 0;
}

[data-theme="dark"] .category-nav {
    background: rgba(15, 23, 42, 0.85);
}

.filters {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 0.25rem 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
    justify-content: center;
}

.filters::-webkit-scrollbar {
    display: none;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-default);
    white-space: nowrap;
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

/* Mobile Filters */
.mobile-filters-btn {
    display: none !important;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-default);
    font-size: 0.9rem;
    font-weight: 500;
    background: none;
    border: none;
}

.mobile-filters-btn:hover {
    color: var(--primary-color);
}

.mobile-filters-dropdown {
    display: none !important;
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    right: 0;
    background: var(--bg-card);
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.mobile-filters-dropdown.active {
    display: flex !important;
}

.filter-btn-mobile {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-default);
    font-size: 0.9rem;
    font-weight: 500;
    width: 100%;
    text-align: left;
}

.filter-btn-mobile:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: var(--bg-card);
}

.filter-btn-mobile.active {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-color);
}

/* Hide desktop filters on mobile */
.desktop-filters {
    display: flex;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-color) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
    padding: 6rem 0 4rem;
    margin-top: 4.5rem;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('img/img1.png') center/cover no-repeat;
    opacity: 0.15;
    z-index: 0;
    pointer-events: none;
}

.hero::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.12) 0%, transparent 25%),
        radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.12) 0%, transparent 25%);
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.25rem;
    font-weight: 800;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

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

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.75rem;
    border-radius: var(--border-radius-md);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-size: 1rem;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    z-index: -1;
    transition: width 0.4s ease;
}

.cta-button:hover::before {
    width: 100%;
}

.cta-button.primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.cta-button.primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.6);
}

.cta-button.secondary {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.cta-button.secondary:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.hero-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-card {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1.75rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    min-width: 140px;
    animation: float 6s ease-in-out infinite;
    transition: var(--transition-default);
}

.floating-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: var(--shadow-xl);
}

.floating-card:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-card:nth-child(2) {
    top: 50%;
    right: 20%;
    animation-delay: 2s;
}

.floating-card:nth-child(3) {
    bottom: 20%;
    left: 30%;
    animation-delay: 4s;
}

.floating-card i {
    font-size: 2.25rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* Projects Section */
.projects-section {
    padding: 4rem 0;
    min-height: 50vh;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.results-count {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

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

.pinned-section h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.75rem;
    margin-bottom: 1.75rem;
    color: var(--primary-color);
    font-weight: 700;
}

.pinned-section h3 i {
    color: var(--accent-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.project-card {
    background: rgba(var(--bg-card-rgb, 255, 255, 255), 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: 1.25rem 1.25rem 0.75rem;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 280px;
}

.project-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

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

.project-card.pinned {
    border: 2px solid var(--accent-color);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(245, 158, 11, 0.05) 100%);
    box-shadow: 0 10px 25px -5px rgba(245, 158, 11, 0.2), 0 8px 10px -6px rgba(245, 158, 11, 0.2);
}

.project-card.pinned::before {
    background: var(--gradient-secondary);
}

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

.project-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    line-height: 1.3;
}

.pin-badge {
    background: var(--accent-color);
    color: white;
    padding: 0.25rem 0.6rem;
    border-radius: 1rem;
    font-size: 0.7rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.2rem;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
    font-size: 0.9rem;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
}

.tag {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.25rem 0.7rem;
    border-radius: 1rem;
    font-size: 0.7rem;
    font-weight: 600;
    transition: var(--transition-default);
    border: 1px solid transparent;
}

.tag:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* Language styling based on content */
.tag[data-tag="JavaScript"] {
    background: rgba(247, 223, 30, 0.1);
    color: #bfa100;
    border-color: rgba(247, 223, 30, 0.3);
}

.tag[data-tag="Python"] {
    background: rgba(55, 118, 171, 0.1);
    color: #3776ab;
    border-color: rgba(55, 118, 171, 0.3);
}

.tag[data-tag="CSS"] {
    background: rgba(38, 77, 228, 0.1);
    color: #264de4;
    border-color: rgba(38, 77, 228, 0.3);
}

.tag[data-tag="HTML5"] {
    background: rgba(227, 79, 38, 0.1);
    color: #e34f26;
    border-color: rgba(227, 79, 38, 0.3);
}

.tag[data-tag="React"] {
    background: rgba(97, 218, 251, 0.1);
    color: #4da6bf;
    border-color: rgba(97, 218, 251, 0.3);
}

[data-theme="dark"] .tag[data-tag="JavaScript"] {
    color: #f7df1e;
}

[data-theme="dark"] .tag[data-tag="Python"] {
    color: #5aa1e3;
}

[data-theme="dark"] .tag[data-tag="CSS"] {
    color: #5c7df7;
}

[data-theme="dark"] .tag[data-tag="HTML5"] {
    color: #f7704c;
}

[data-theme="dark"] .tag[data-tag="React"] {
    color: #61dafb;
}

.project-links {
    display: flex;
    gap: 0.7rem;
    margin-top: auto;
    padding-bottom: 0.5rem;
}

.project-link {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 1rem;
    border-radius: var(--border-radius-md);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 0.8rem;
    border: 2px solid transparent;
}

.project-link.primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.project-link.primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.project-link.secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.project-link.secondary:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* About Section */
.about-section {
    padding: 5rem 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.skills {
    margin-top: 2rem;
}

.skills h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.skill {
    background: var(--bg-card);
    padding: 0.75rem;
    border-radius: var(--border-radius-md);
    text-align: center;
    font-weight: 500;
    border: 1px solid var(--border-color);
    transition: var(--transition-default);
}

.skill:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.placeholder-image {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
}

.placeholder-image i {
    font-size: 4rem;
    color: var(--text-secondary);
    opacity: 0.3;
}

.developer-img {
    width: 100%;
    max-width: 420px;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    display: block;
    margin: 0 auto;
    transition: var(--transition-default);
}

.developer-img:hover {
    transform: translateY(-10px);
}

.form-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.5;
}

/* Contact Section */
.contact-section {
    padding: 5rem 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h3,
.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
    color: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
}

.contact-item:hover {
    color: var(--primary-color);
    background-color: var(--bg-secondary);
    transform: translateX(5px);
}

.contact-item i {
    width: 2rem;
    color: var(--primary-color);
    font-size: 1.25rem;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.85rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-default);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* Form Validation Styles */
.validated-form .form-group {
    position: relative;
    padding-bottom: 1.5rem;
    margin-bottom: 1rem;
}

.validation-message {
    position: absolute;
    bottom: 0;
    left: 0;
    font-size: 0.8rem;
    color: #ef4444;
    display: none;
    animation: fadeIn 0.3s ease;
}

.validated-form input:not(:placeholder-shown):invalid,
.validated-form textarea:not(:placeholder-shown):invalid {
    border-color: #ef4444;
}

.validated-form input:not(:placeholder-shown):invalid~.validation-message,
.validated-form textarea:not(:placeholder-shown):invalid~.validation-message {
    display: block;
}

.validated-form input:not(:placeholder-shown):valid,
.validated-form textarea:not(:placeholder-shown):valid {
    border-color: #10b981;
}

.submit-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-default);
    width: 100%;
    box-shadow: var(--shadow-sm);
}

.submit-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Form Status Messages */
.form-status {
    border-radius: var(--border-radius-md);
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}

.form-status--success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-left: 4px solid #10b981;
}

.form-status--error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-left: 4px solid #ef4444;
}

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

/* No Results */
.no-results {
    text-align: center;
    padding: 5rem 2rem;
    background: var(--bg-card);
    border: 1px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.no-results.visible {
    display: flex;
    animation: fadeIn 0.5s ease;
}

.no-results-icon {
    width: 80px;
    height: 80px;
    background: var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.no-results-icon i {
    font-size: 2.5rem;
    color: var(--text-secondary);
}

.no-results h3 {
    font-size: 1.75rem;
    font-weight: 700;
}

.no-results p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-default);
}

.modal.visible {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    max-width: 650px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.4s ease;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
}

.modal.visible .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: var(--bg-secondary);
    border: none;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    transition: var(--transition-default);
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.modal-close:hover {
    background: var(--primary-color);
    color: white;
    transform: rotate(90deg);
}

.modal-body {
    padding: 2.5rem;
}

.modal-project {
    max-width: 100%;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-meta {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
}

.category-badge,
.language-badge,
.stars-badge {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.35rem 0.85rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
}

.language-badge {
    background: var(--gradient-primary);
    color: white;
}

.stars-badge {
    background: var(--gradient-secondary);
    color: white;
}

.modal-description {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1.75rem;
    color: var(--text-secondary);
}

.modal-tags h4 {
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    font-weight: 600;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.75rem;
}

.modal-links {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.featured-badge {
    background: var(--gradient-secondary);
    color: white;
    padding: 0.6rem 1.25rem;
    border-radius: var(--border-radius-md);
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 3rem;
    margin-top: 5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}

.footer-left h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.footer-left p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
}

.footer-right {
    text-align: right;
}

.social-links {
    display: flex;
    justify-content: flex-end;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-default);
    font-size: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.social-links a:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-5px) rotate(10deg);
    box-shadow: var(--shadow-md);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-content {
        gap: 2.5rem;
    }

    .hero-title {
        font-size: clamp(2rem, 5vw, 3rem);
    }

    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: 1.75rem;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .nav-search {
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .nav-brand h2 {
        font-size: 1.2rem;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-card);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--border-color);
        gap: 0.5rem;
        z-index: 1000;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .nav-search {
        display: none;
    }

    .hero {
        padding: 5rem 0 3rem;
        margin-top: 3.5rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-visual {
        height: 350px;
        order: -1;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-cta {
        justify-content: center;
        gap: 0.75rem;
    }

    .cta-button {
        padding: 0.75rem 1.5rem;
        font-size: 0.95rem;
    }

    .filters {
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .project-links {
        flex-direction: column;
    }

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

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

    .social-links {
        justify-content: center;
    }

    .modal-links {
        flex-direction: column;
    }

    .modal-meta {
        justify-content: center;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .category-nav {
        top: 3.5rem;
        display: none;
    }

    .desktop-filters {
        display: none !important;
    }

    .mobile-filters-btn {
        display: flex !important;
    }

    .mobile-filters-dropdown {
        display: none;
    }

    .mobile-filters-dropdown.active {
        display: flex;
    }

    .contact-item {
        padding: 0.75rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .main-nav {
        padding: 0.5rem 0;
    }

    .nav-brand h2 {
        font-size: 1rem;
    }

    .hero {
        padding: 3rem 0 2rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
        max-width: 100%;
    }

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

    .stat {
        flex: 0 1 45%;
    }

    .hero-cta {
        flex-direction: column;
        gap: 0.75rem;
    }

    .cta-button {
        width: 100%;
        padding: 0.65rem 1rem;
        font-size: 0.9rem;
    }

    .filters {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .project-card {
        padding: 1.25rem;
    }

    .project-card h3 {
        font-size: 1.1rem;
    }

    .project-tags {
        flex-wrap: wrap;
        gap: 0.35rem;
    }

    .project-tag {
        font-size: 0.75rem;
        padding: 0.35rem 0.75rem;
    }

    .modal-body {
        padding: 1.5rem;
        max-height: 80vh;
        overflow-y: auto;
    }

    .modal-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .modal-header h2 {
        font-size: 1.35rem;
    }

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

    .search-bar input {
        padding: 0.6rem 0.75rem 0.6rem 2.2rem;
        font-size: 0.8rem;
    }

    .contact-item {
        flex-direction: column;
        align-items: flex-start;
        padding: 0.5rem;
    }

    .contact-item i {
        width: 1.5rem;
        font-size: 1.1rem;
    }

    .contact-details {
        gap: 1rem;
    }

    .contact-form {
        padding: 0;
    }

    .form-group input,
    .form-group textarea {
        font-size: 16px;
    }

    .submit-btn {
        width: 100%;
    }
}}

/* Loading Animation */
@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }

    100% {
        background-position: calc(200px + 100%) 0;
    }
}

.loading {
    background: linear-gradient(90deg, var(--bg-secondary) 25%, rgba(255, 255, 255, 0.4) 50%, var(--bg-secondary) 75%);
    background-size: 200px 100%;
    animation: shimmer 1.5s infinite;
}