/* ==========================================
   DINNOVA - Modern Software House Portfolio
   Dark Theme with Brand Colors
   ========================================== */

/* ==========================================
   CSS VARIABLES & RESET
   ========================================== */
:root {
    /* Brand Colors from Logo */
    --primary-blue: #2E5F8C;
    --primary-cyan: #3FC5C5;
    --primary-orange: #F5A623;
    
    /* Dark Theme Colors */
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-tertiary: #1a1f2e;
    --bg-card: #1e2639;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    /* Accent & UI Colors */
    --accent-gradient: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
    --hover-overlay: rgba(63, 197, 197, 0.1);
    --border-color: rgba(255, 255, 255, 0.1);
    
    /* Spacing & Sizing */
    --container-max: 1200px;
    --section-padding: 100px 0;
    --border-radius: 12px;
    --transition: all 0.3s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(63, 197, 197, 0.3);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

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

/* ==========================================
   UTILITY CLASSES
   ========================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   NAVIGATION
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: transparent;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background-color: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: var(--shadow-md);
}

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

.logo img {
    height: 50px;
    transition: var(--transition);
}

.navbar.scrolled .logo img {
    height: 40px;
}

.nav-menu {
    display: flex;
    gap: 35px;
    align-items: center;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width 0.3s ease;
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

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

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 100px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(46, 95, 140, 0.15), transparent 70%),
                radial-gradient(circle at 80% 20%, rgba(63, 197, 197, 0.1), transparent 50%);
}

.circuit-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(63, 197, 197, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(63, 197, 197, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: circuitMove 20s linear infinite;
}

@keyframes circuitMove {
    0% { background-position: 0 0; }
    100% { background-position: 50px 50px; }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-family: 'Poppins', sans-serif;
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 25px;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn {
    padding: 15px 35px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-cyan);
}

.btn-secondary:hover {
    background: var(--primary-cyan);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--primary-cyan);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--primary-cyan);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; top: 8px; }
    50% { opacity: 0; top: 20px; }
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--primary-cyan);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.feature-item i {
    color: var(--primary-cyan);
    font-size: 1.2rem;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--bg-card);
    padding: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-wrapper img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 0 30px rgba(63, 197, 197, 0.3));
}

.floating-card {
    position: absolute;
    bottom: 20px;
    right: -20px;
    background: var(--bg-card);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    text-align: center;
}

.floating-card i {
    font-size: 2.5rem;
    color: var(--primary-orange);
    margin-bottom: 10px;
}

.floating-card h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.floating-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==========================================
   SERVICES SECTION
   ========================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-cyan);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 2rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
}

.service-features li {
    color: var(--text-secondary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-features i {
    color: var(--primary-cyan);
    font-size: 0.9rem;
}

/* ==========================================
   PORTFOLIO SECTION
   ========================================== */
.portfolio {
    background-color: var(--bg-secondary);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 30px;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--bg-card);
    transition: var(--transition);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-image {
    height: 300px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-cyan));
    position: relative;
    overflow: hidden;
}

.portfolio-graphic {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    z-index: 1;
    pointer-events: none;
}

.portfolio-graphic i {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.15);
    animation: float 3s ease-in-out infinite;
    transition: var(--transition);
}

.portfolio-graphic i:nth-child(1) {
    animation-delay: 0s;
}

.portfolio-graphic i:nth-child(2) {
    animation-delay: 0.5s;
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.25);
}

.portfolio-graphic i:nth-child(3) {
    animation-delay: 1s;
}

.portfolio-item:hover .portfolio-graphic i {
    color: rgba(255, 255, 255, 0.05);
    transform: scale(1.1);
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 14, 23, 0.95);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 30px;
    opacity: 0;
    transition: var(--transition);
    z-index: 2;
}

.portfolio-item:hover .portfolio-overlay,
.portfolio-overlay:hover {
    opacity: 1;
}

.portfolio-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    text-align: center;
}

.portfolio-overlay p {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 20px;
}

.portfolio-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 20px;
}

.portfolio-tags span {
    padding: 5px 15px;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--primary-cyan);
    border: 1px solid var(--primary-cyan);
}

.btn-view {
    padding: 12px 25px;
    background: var(--accent-gradient);
    color: var(--text-primary);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    position: relative;
    z-index: 10;
    pointer-events: auto;
}

.btn-view:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(63, 197, 197, 0.4);
}

/* Portfolio Category Colors */
.portfolio-item[data-category="ecommerce"] .portfolio-image {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.portfolio-item[data-category="healthcare"] .portfolio-image {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.portfolio-item[data-category="finance"] .portfolio-image {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.portfolio-item[data-category="education"] .portfolio-image {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.portfolio-item[data-category="logistics"] .portfolio-image {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

/* ==========================================
   TEAM SECTION
   ========================================== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.team-member {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-cyan);
}

.member-image {
    height: 300px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-cyan));
    position: relative;
    overflow: hidden;
}

.member-info {
    padding: 25px;
    text-align: center;
}

.member-info h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.member-role {
    color: var(--primary-cyan);
    font-weight: 600;
    margin-bottom: 0;
}

/* ==========================================
   TECHNOLOGIES SECTION
   ========================================== */
.technologies {
    background-color: var(--bg-secondary);
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.tech-category {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.tech-category:hover {
    border-color: var(--primary-cyan);
    box-shadow: var(--shadow-md);
}

.tech-category h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tech-category h3 i {
    color: var(--primary-cyan);
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-item {
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.tech-item:hover {
    background: var(--primary-cyan);
    color: var(--bg-primary);
    border-color: var(--primary-cyan);
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact-content {
    display: block;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--primary-cyan);
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    font-size: 1.2rem;
}

.info-text h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.info-text p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.social-media h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 45px;
    height: 45px;
    background: var(--bg-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-cyan);
    transition: var(--transition);
    border: 2px solid var(--primary-cyan);
}

.social-icons a:hover {
    background: var(--primary-cyan);
    color: var(--bg-primary);
    transform: scale(1.1);
}

.contact-form {
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-cyan);
    box-shadow: 0 0 0 3px rgba(63, 197, 197, 0.1);
}

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

.btn-submit {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: var(--border-radius);
    text-align: center;
    display: none;
}

.form-message.success {
    background: rgba(63, 197, 197, 0.1);
    border: 1px solid var(--primary-cyan);
    color: var(--primary-cyan);
    display: block;
}

.form-message.error {
    background: rgba(245, 101, 101, 0.1);
    border: 1px solid #f56565;
    color: #f56565;
    display: block;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background-color: var(--bg-tertiary);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-logo img {
    height: 40px;
}

.footer-col p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--primary-cyan);
}

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

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary-cyan);
    padding-left: 5px;
}

.footer-col ul li i {
    color: var(--primary-cyan);
    margin-right: 10px;
    width: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
}

/* ==========================================
   MODAL
   ========================================== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 14, 23, 0.95);
    overflow: auto;
}

.modal-content {
    background-color: var(--bg-card);
    margin: 5% auto;
    padding: 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 800px;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    color: var(--text-secondary);
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--primary-cyan);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media screen and (max-width: 1024px) {
    .section-title {
        font-size: 2.5rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media screen and (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-secondary);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 30px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .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, -7px);
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .services-grid,
    .portfolio-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .floating-card {
        right: 10px;
        bottom: 10px;
        padding: 15px;
    }
    
    .portfolio-filters {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .tech-categories {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-col ul li a:hover {
        padding-left: 0;
    }
    
    .modal-content {
        width: 95%;
        padding: 30px 20px;
        margin: 10% auto;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .service-card,
    .contact-form {
        padding: 25px;
    }
    
    .member-image {
        height: 250px;
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ==========================================
   ACCESSIBILITY
   ========================================== */
*:focus {
    outline: 2px solid var(--primary-cyan);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.info-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 2 columns on desktop */
    gap: 30px; /* spacing between cards */
    margin-top: 30px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.08);
    transition: transform .2s ease, box-shadow .2s ease;
}

.info-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.12);
}

.info-icon i {
    font-size: 26px;
}

.info-text h4 {
    margin-bottom: 8px;
    font-weight: 600;
}

/* Mobile & tablets */
@media (max-width: 992px) {
    .info-items {
        grid-template-columns: 1fr; /* 1 column on tablets & mobile */
    }
}

@media (max-width: 576px) {
    .info-item {
        padding: 15px;
    }
}