/* ==========================================
   MOBILE-FIRST FROSTED GLASS DESIGN
   Base styles: 320px+ (Mobile)
   Tablet: 768px+
   Desktop: 1024px+
   ========================================== */

/* ==========================================
   CSS VARIABLES & RESET
   ========================================== */
:root {
    /* Frosted Glass Colors */
    --glass-white: rgba(255, 255, 255, 0.2);
    --glass-white-hover: rgba(255, 255, 255, 0.3);
    --glass-dark: rgba(255, 255, 255, 0.12);
    --glass-dark-hover: rgba(255, 255, 255, 0.22);
    --glass-border: rgba(255, 255, 255, 0.25);
    --glass-shadow: rgba(0, 0, 0, 0.2);
    
    /* Primary Colors */
    --primary-gradient: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
    --secondary-gradient: linear-gradient(135deg, #5B9BD5 0%, #4A90E2 100%);
    --accent-gradient: linear-gradient(135deg, #6BB6FF 0%, #4A90E2 100%);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.85);
    --text-muted: rgba(255, 255, 255, 0.65);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Blur intensity (mobile-optimized) */
    --blur-mobile: 12px;
    --blur-tablet: 16px;
    --blur-desktop: 20px;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: url('images/photo-1506905925346-21bda4d32df4.jpg') no-repeat center center;
    background-size: cover;
    background-attachment: fixed;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.2) 50%, rgba(0, 0, 0, 0.3) 100%);
    z-index: -1;
}

/* ==========================================
   GLASS CARD COMPONENT (Mobile-First)
   ========================================== */
.glass-card {
    background: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(var(--blur-mobile)) saturate(140%);
    -webkit-backdrop-filter: blur(var(--blur-mobile)) saturate(140%);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
    transition: all var(--transition-medium);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-4px);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

/* ==========================================
   NAVIGATION (Mobile-First)
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(var(--blur-tablet)) saturate(140%);
    -webkit-backdrop-filter: blur(var(--blur-tablet)) saturate(140%);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hamburger Menu (Mobile) */
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: 1001;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    align-items: center;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-medium);
}

.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);
}

/* Mobile Menu */
.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 300px;
    height: 100vh;
    background: rgba(30, 60, 114, 0.95);
    backdrop-filter: blur(var(--blur-tablet));
    -webkit-backdrop-filter: blur(var(--blur-tablet));
    padding: 80px var(--spacing-lg) var(--spacing-lg);
    list-style: none;
    transition: right var(--transition-medium);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.3);
}

.nav-menu.active {
    right: 0;
}

.nav-menu li {
    margin-bottom: var(--spacing-md);
}

.nav-link {
    display: block;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.125rem;
    font-weight: 500;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    min-height: 44px;
    display: flex;
    align-items: center;
}

.nav-link:hover {
    background: var(--glass-white);
    transform: translateX(8px);
}

/* Free Consultation CTA Button in Nav (Mobile) */
.btn-nav-cta {
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
    color: #ffffff !important;
    font-weight: 600;
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-sm);
}

.btn-nav-cta:hover {
    background: linear-gradient(135deg, #5B9BD5 0%, #4A90E2 100%);
    transform: translateX(0) translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.4);
}

/* ==========================================
   HERO SECTION (Mobile-First)
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-sm);
    padding-top: calc(60px + var(--spacing-xl));
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(74, 144, 226, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(107, 182, 255, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(91, 155, 213, 0.2) 0%, transparent 50%);
    z-index: 0;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.hero-content {
    max-width: 600px;
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    color: #ffffff;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ==========================================
   BUTTONS (Mobile-First)
   ========================================== */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    transition: all var(--transition-medium);
    border: 2px solid transparent;
    cursor: pointer;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(74, 144, 226, 0.4);
    font-weight: 600;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(74, 144, 226, 0.5);
    background: linear-gradient(135deg, #5B9BD5 0%, #4A90E2 100%);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(var(--blur-mobile));
    -webkit-backdrop-filter: blur(var(--blur-mobile));
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.4);
    font-weight: 600;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.2);
}

/* ==========================================
   SECTIONS (Mobile-First)
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-sm);
}

section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: #ffffff;
}

.section-subtitle {
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    font-size: 1.05rem;
}

/* ==========================================
   SERVICES SECTION (Mobile-First)
   ========================================== */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.service-card {
    padding: var(--spacing-xl);
    text-align: center;
}

.service-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
    color: #ffffff;
    box-shadow: 0 8px 24px rgba(74, 144, 226, 0.3);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: #ffffff;
    font-weight: 700;
}

.service-card p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.service-features {
    list-style: none;
    text-align: left;
}

.service-features li {
    padding: var(--spacing-xs) 0;
    color: rgba(255, 255, 255, 0.85);
    position: relative;
    padding-left: 24px;
}

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #6BB6FF;
    font-weight: bold;
    font-size: 1.1rem;
}

/* ==========================================
   PORTFOLIO SECTION (Mobile-First)
   ========================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

/* Single portfolio item styling */
.portfolio-single-container {
    max-width: 900px;
    margin: 0 auto;
}

.portfolio-item-single {
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
}

.portfolio-image-single {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.portfolio-image-single img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    display: block;
}

.portfolio-item-single:hover .portfolio-image-single img {
    transform: scale(1.05);
}

.portfolio-content-single {
    padding: var(--spacing-lg);
}

.portfolio-content-single h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: #ffffff;
    font-weight: 700;
}

.portfolio-content-single p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    line-height: 1.7;
}

.portfolio-item {
    overflow: hidden;
    padding: 0;
}

.portfolio-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    display: block;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.05);
}

.portfolio-content {
    padding: var(--spacing-lg);
}

.portfolio-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: #ffffff;
    font-weight: 700;
}

.portfolio-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    background: rgba(74, 144, 226, 0.25);
    padding: 6px 14px;
    border-radius: 12px;
    font-size: 0.85rem;
    border: 1px solid rgba(74, 144, 226, 0.4);
    color: rgba(255, 255, 255, 0.95);
}

/* ==========================================
   ABOUT SECTION (Mobile-First)
   ========================================== */
.about-content {
    padding: var(--spacing-xl);
}

.about-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    font-size: 1.05rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    font-weight: 500;
}

.tech-stack h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: #ffffff;
    font-weight: 700;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tech-tag {
    background: rgba(74, 144, 226, 0.2);
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    border: 1px solid rgba(74, 144, 226, 0.35);
    transition: all var(--transition-fast);
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
}

.tech-tag:hover {
    background: rgba(74, 144, 226, 0.25);
    transform: translateY(-1px);
    border-color: rgba(74, 144, 226, 0.45);
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.15);
}

/* ==========================================
   CONTACT SECTION (Mobile-First)
   ========================================== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.contact-form {
    padding: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.95);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-fast);
    min-height: 48px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.15);
    border-color: #4A90E2;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group select {
    cursor: pointer;
}

.btn-submit {
    width: 100%;
    border: none;
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    text-align: center;
    display: none;
}

.form-message.success {
    background: rgba(34, 197, 94, 0.2);
    border: 1px solid rgba(34, 197, 94, 0.4);
    color: #86efac;
    display: block;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #fca5a5;
    display: block;
}

.contact-info {
    padding: var(--spacing-xl);
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: #ffffff;
    font-weight: 700;
}

.info-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    align-items: flex-start;
}

.info-item svg {
    flex-shrink: 0;
    margin-top: 4px;
}

.info-item h4 {
    font-size: 1rem;
    margin-bottom: 4px;
    color: #ffffff;
    font-weight: 600;
}

.info-item p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    color: #ffffff;
    transition: all var(--transition-medium);
    border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.social-link:hover {
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.3);
    border-color: transparent;
}

/* ==========================================
   FOOTER (Mobile-First)
   ========================================== */
.footer {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(var(--blur-tablet));
    -webkit-backdrop-filter: blur(var(--blur-tablet));
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: #ffffff;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.85);
}

.footer-links h4,
.footer-services h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: #ffffff;
    font-weight: 600;
}

.footer-links ul,
.footer-services ul {
    list-style: none;
}

.footer-links li,
.footer-services li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: #6BB6FF;
    transform: translateX(4px);
}

.footer-services li {
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* ==========================================
   ANIMATIONS
   ========================================== */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

/* ==========================================
   TABLET RESPONSIVE (768px+)
   ========================================== */
@media (min-width: 768px) {
    :root {
        --blur-mobile: var(--blur-tablet);
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }

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

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

    .portfolio-image {
        height: 240px;
    }

    /* Single portfolio item on tablet */
    .portfolio-item-single {
        flex-direction: row;
    }

    .portfolio-image-single {
        width: 45%;
        height: auto;
        min-height: 350px;
    }

    .portfolio-content-single {
        width: 55%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding: var(--spacing-xl);
    }

    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }

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

    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
    }

    .section-title {
        font-size: 2.5rem;
    }
}

/* ==========================================
   DESKTOP RESPONSIVE (1024px+)
   ========================================== */
@media (min-width: 1024px) {
    :root {
        --blur-mobile: var(--blur-desktop);
    }

    .nav-container {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .hamburger {
        display: none;
    }

    .nav-menu {
        position: static;
        width: auto;
        height: auto;
        max-width: none;
        background: none;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        padding: 0;
        display: flex;
        flex-direction: row;
        box-shadow: none;
    }

    .nav-menu li {
        margin-bottom: 0;
        margin-left: var(--spacing-md);
    }

    .nav-link {
        font-size: 1rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .nav-link:hover {
        transform: translateX(0);
        transform: translateY(-2px);
    }

    /* Free Consultation CTA in Nav (Desktop) */
    .btn-nav-cta {
        background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
        padding: var(--spacing-xs) var(--spacing-md);
        margin-top: 0;
        margin-left: var(--spacing-sm);
    }

    .btn-nav-cta:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 16px rgba(74, 144, 226, 0.5);
    }

    .hero-title {
        font-size: 4rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Single portfolio item on desktop */
    .portfolio-single-container {
        max-width: 1000px;
    }

    .portfolio-image-single {
        width: 50%;
        min-height: 400px;
    }

    .portfolio-content-single {
        width: 50%;
    }

    .portfolio-content-single h3 {
        font-size: 1.75rem;
    }

    .portfolio-content-single p {
        font-size: 1.05rem;
    }

    .section-title {
        font-size: 3rem;
    }

    .container {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    /* Hover effects enhanced for desktop */
    .service-card:hover .service-icon {
        transform: scale(1.1) rotate(5deg);
    }
}

/* ==========================================
   LARGE DESKTOP (1440px+)
   ========================================== */
@media (min-width: 1440px) {
    html {
        font-size: 18px;
    }

    .container {
        max-width: 1400px;
    }
}

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

/* Focus styles for keyboard navigation */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }