/* ===== Groo Gadgets - Main Stylesheet ===== */
/* Inspired by Creative Chris Design */

/* ===== CSS Variables ===== */
:root {
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-secondary: #8b5cf6;
    --color-accent: #f59e0b;
    
    --color-dark-900: #0f172a;
    --color-dark-800: #1e293b;
    --color-dark-700: #334155;
    --color-dark-600: #475569;
    
    --color-gray-400: #94a3b8;
    --color-gray-300: #cbd5e1;
    --color-gray-200: #e2e8f0;
    --color-gray-100: #f1f5f9;
    
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Inter', sans-serif;
    
    --transition: all 0.3s ease;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-300);
    background-color: var(--color-dark-900);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-primary-dark);
}

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

/* ===== Header & Navigation ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: transparent;
    transition: var(--transition);
}

.header.scrolled {
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-display);
    color: #fff;
}

.logo-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--color-gray-300);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #fff;
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: #fff;
    transition: var(--transition);
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-dark-800);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        display: none;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        display: flex;
    }
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, var(--color-dark-900) 0%, var(--color-dark-800) 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: #fff;
    font-family: var(--font-display);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    color: var(--color-gray-400);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

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

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--color-gray-600);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    width: 4px;
    height: 10px;
    background: var(--color-primary);
    left: 50%;
    top: 10px;
    transform: translateX(-50%);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

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

@keyframes scroll {
    0% {
        opacity: 1;
        top: 10px;
    }
    100% {
        opacity: 0;
        top: 30px;
    }
}

/* ===== Sections ===== */
.section {
    padding: 6rem 0;
}

.section-dark {
    background-color: var(--color-dark-800);
}

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

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 50px;
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
    font-family: var(--font-display);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-400);
    max-width: 600px;
    margin: 0 auto;
}

.section-footer {
    text-align: center;
    margin-top: 3rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--color-gray-300);
    border-color: var(--color-dark-600);
}

.btn-outline:hover {
    background: var(--color-dark-700);
    border-color: var(--color-primary);
    color: #fff;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ===== Projects Grid ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--color-dark-800);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid transparent;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.project-link {
    display: block;
    color: inherit;
}

.project-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--color-dark-700);
}

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

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

.project-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-dark-700) 0%, var(--color-dark-600) 100%);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.view-project {
    color: #fff;
    font-weight: 600;
    font-size: 1.125rem;
}

.featured-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--color-warning);
    color: var(--color-dark-900);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 10;
}

.project-info {
    padding: 1.5rem;
}

.project-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--color-dark-700);
    color: var(--color-gray-400);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.project-description {
    color: var(--color-gray-400);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== Page Header ===== */
.page-header {
    padding: 8rem 0 4rem;
    text-align: center;
    background: linear-gradient(135deg, var(--color-dark-900) 0%, var(--color-dark-800) 100%);
}

.page-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
    font-family: var(--font-display);
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-400);
}

/* ===== Filter Bar ===== */
.filter-bar {
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--color-dark-800);
    border-radius: 12px;
}

.filter-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.search-box {
    display: flex;
    gap: 1rem;
}

.search-box input {
    flex: 1;
    padding: 0.75rem 1rem;
    background: var(--color-dark-700);
    border: 1px solid var(--color-dark-600);
    border-radius: 8px;
    color: #fff;
    font-size: 1rem;
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.category-filter {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1rem;
    background: var(--color-dark-700);
    color: var(--color-gray-300);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    color: #fff;
}

/* ===== Project Detail ===== */
.project-detail {
    padding: 8rem 0 4rem;
}

.project-header {
    margin-bottom: 3rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-gray-400);
    margin-bottom: 2rem;
    font-weight: 500;
}

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

.project-detail-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
}

.project-meta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    color: var(--color-gray-400);
}

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

.project-hero-image {
    margin-bottom: 3rem;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.project-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
}

.project-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-gray-300);
    margin-bottom: 2rem;
}

.project-video {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    margin: 2rem 0;
}

.project-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.project-gallery {
    margin: 3rem 0;
}

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

.gallery-item img {
    border-radius: 8px;
    box-shadow: var(--shadow-md);
}

.gallery-caption {
    margin-top: 0.5rem;
    color: var(--color-gray-400);
    font-size: 0.9rem;
}

.project-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-section {
    background: var(--color-dark-800);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.sidebar-section h3 {
    color: #fff;
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.tech-tags,
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag,
.tag {
    padding: 0.5rem 1rem;
    background: var(--color-dark-700);
    color: var(--color-gray-300);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

@media (max-width: 1024px) {
    .project-content {
        grid-template-columns: 1fr;
    }
    
    .project-sidebar {
        position: static;
    }
}

/* ===== About & Contact ===== */
.about-page-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.about-text-content {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-gray-300);
}

.contact-info-box {
    background: var(--color-dark-800);
    padding: 2rem;
    border-radius: 12px;
    height: fit-content;
}

.contact-info-box h3 {
    color: #fff;
    margin-bottom: 1rem;
}

.contact-info-box p {
    margin-bottom: 1rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.contact-form-wrapper {
    background: var(--color-dark-800);
    padding: 2.5rem;
    border-radius: 12px;
}

.contact-info {
    background: var(--color-dark-800);
    padding: 2.5rem;
    border-radius: 12px;
    height: fit-content;
}

.contact-info h3 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contact-details {
    margin-top: 2rem;
}

.contact-detail {
    margin-bottom: 1.5rem;
}

.contact-detail strong {
    display: block;
    color: var(--color-gray-400);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.contact-detail a {
    color: #fff;
    font-size: 1.125rem;
}

@media (max-width: 1024px) {
    .about-page-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-gray-300);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-dark-700);
    border: 1px solid var(--color-dark-600);
    border-radius: 8px;
    color: #fff;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group textarea {
    resize: vertical;
}

/* ===== Alerts ===== */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--color-error);
    color: var(--color-error);
}

.alert ul {
    list-style: none;
}

/* ===== Footer ===== */
.footer {
    background: var(--color-dark-800);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--color-dark-700);
}

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

.footer-col h3,
.footer-col h4 {
    color: #fff;
    margin-bottom: 1rem;
}

.footer-col p {
    color: var(--color-gray-400);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul li a {
    color: var(--color-gray-400);
}

.footer-col ul li a:hover {
    color: var(--color-primary);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-dark-700);
    border-radius: 8px;
    color: var(--color-gray-400);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-dark-700);
    color: var(--color-gray-400);
    font-size: 0.9rem;
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-top: 1px solid rgba(59, 130, 246, 0.2);
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}

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

.cta-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
}

.cta-text {
    font-size: 1.25rem;
    color: var(--color-gray-400);
    margin-bottom: 2rem;
}

/* ===== About Content ===== */
.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--color-gray-300);
    margin-bottom: 2rem;
}

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--color-gray-400);
}

/* ===== 404 Error Page ===== */
.error-page {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 0;
}

.error-content {
    text-align: center;
}

.error-code {
    font-size: 8rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 1rem;
}

.error-title {
    font-size: 2rem;
    color: #fff;
    margin-bottom: 1rem;
}

.error-text {
    font-size: 1.125rem;
    color: var(--color-gray-400);
    margin-bottom: 2rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Utilities ===== */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--color-gray-400);
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 2rem;
}