/* ================================
   ForgeStack - Professional Tech Website
   Modern Dark Theme with Fire Accents
   ================================ */

/* CSS Custom Properties */
:root {
    /* Colors */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a24;
    --color-bg-card: #16161f;
    --color-bg-card-hover: #1e1e2a;
    
    --color-accent-primary: #ff6b35;
    --color-accent-secondary: #ff8c42;
    --color-accent-tertiary: #ffa559;
    --color-accent-glow: rgba(255, 107, 53, 0.3);
    
    --color-text-primary: #ffffff;
    --color-text-secondary: #b8b8c8;
    --color-text-tertiary: #8888a0;
    --color-text-muted: #5c5c70;
    
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-light: rgba(255, 255, 255, 0.12);
    
    /* Gradients */
    --gradient-fire: linear-gradient(135deg, #ff6b35 0%, #ff8c42 50%, #ffa559 100%);
    --gradient-dark: linear-gradient(180deg, #0a0a0f 0%, #12121a 100%);
    --gradient-card: linear-gradient(145deg, #1a1a24 0%, #12121a 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;
    --spacing-3xl: 8rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 100px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--color-accent-glow);
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul {
    list-style: none;
}

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

/* ================================
   Utility Classes
   ================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

/* ================================
   Buttons
   ================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--gradient-fire);
    color: var(--color-bg-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px var(--color-accent-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-light);
}

.btn-secondary:hover {
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
}

/* ================================
   Navigation
   ================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

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

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

.logo-img {
    height: 60px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-fire);
    transition: var(--transition-base);
}

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

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

.nav-cta {
    background: var(--gradient-fire);
    color: var(--color-bg-primary) !important;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

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

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-base);
}

/* ================================
   Hero Section
   ================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(255, 107, 53, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(255, 140, 66, 0.1) 0%, transparent 50%),
        var(--gradient-dark);
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-accent-primary);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.6s ease;
}

.hero-bug {
    width: 140px;
    height: auto;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.6s ease, floatBug 4s ease-in-out infinite;
    filter: drop-shadow(0 0 30px rgba(255, 107, 53, 0.4));
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    animation: fadeInUp 0.6s ease 0.5s both;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-tertiary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-arrow {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-border-light);
    border-radius: 12px;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-accent-primary);
    border-radius: 2px;
    animation: scrollBounce 2s ease-in-out infinite;
}

/* ================================
   Section Styles
   ================================ */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
}

.section-tag {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: rgba(255, 107, 53, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

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

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.about-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: var(--transition-base);
    opacity: 0;
    transform: translateY(20px);
}

.about-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.about-card:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.about-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.about-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.about-card p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ================================
   Services Section
   ================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
}

.service-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-fire);
    opacity: 0;
    transition: var(--transition-base);
}

.service-card:hover {
    border-color: var(--color-border-light);
    transform: translateY(-4px);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card.featured {
    border-color: rgba(255, 107, 53, 0.3);
    background: linear-gradient(145deg, rgba(255, 107, 53, 0.05) 0%, var(--color-bg-card) 100%);
}

.service-card.featured::before {
    opacity: 1;
}

.service-number {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-accent-primary);
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.service-card > p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-tertiary);
    font-size: 0.9rem;
}

.service-features li::before {
    content: '→';
    color: var(--color-accent-primary);
    font-weight: 600;
}

/* ================================
   Products Section
   ================================ */
.products {
    background: var(--color-bg-secondary);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.product-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: var(--transition-base);
    opacity: 0;
    transform: translateY(20px);
}

.product-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.product-card:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.product-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 107, 53, 0.15);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

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

.product-card > p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.product-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.product-tech span {
    padding: 0.375rem 0.75rem;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--color-text-tertiary);
}

.product-future {
    border-style: dashed;
    opacity: 0.8;
}

.product-future:hover {
    opacity: 1;
}

/* ================================
   Philosophy Section
   ================================ */
.philosophy-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.philosophy-text .section-tag,
.philosophy-text .section-title {
    text-align: left;
}

.philosophy-intro {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.philosophy-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.philosophy-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
    opacity: 0;
    transform: translateX(-20px);
}

.philosophy-item.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.philosophy-item:hover {
    border-color: var(--color-border-light);
    background: var(--color-bg-card-hover);
}

.philosophy-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.philosophy-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.philosophy-item p {
    font-size: 0.9rem;
    color: var(--color-text-tertiary);
}

.philosophy-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    max-width: 400px;
    width: 100%;
    box-shadow: var(--shadow-lg);
}

.visual-header {
    display: flex;
    gap: 8px;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
}

.visual-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-text-muted);
}

.visual-dot:first-child {
    background: #ff5f57;
}

.visual-dot:nth-child(2) {
    background: #ffbd2e;
}

.visual-dot:nth-child(3) {
    background: #28ca42;
}

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

.visual-content code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.code-keyword {
    color: #c678dd;
}

.code-string {
    color: #98c379;
}

.code-value {
    color: var(--color-accent-primary);
}

/* ================================
   Contact Section
   ================================ */
.contact {
    background: var(--color-bg-secondary);
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
}

.contact-form-wrapper {
    max-width: 500px;
    margin: 0 auto;
}

.contact-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-base);
}

.contact-form.animate-in {
    opacity: 1;
    transform: translateY(0);
}

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.form-group .optional {
    font-weight: 400;
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    transition: var(--transition-base);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
}

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

.btn-submit {
    width: 100%;
    margin-top: var(--spacing-sm);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-submit.success {
    background: linear-gradient(135deg, #28ca42 0%, #22a838 100%);
    box-shadow: 0 0 40px rgba(40, 202, 66, 0.3);
}

.contact-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
}

.contact-options.contact-single {
    grid-template-columns: 1fr;
    max-width: 350px;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    opacity: 0;
    transform: translateY(20px);
}

.contact-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.contact-card:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.contact-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

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

/* ================================
   Footer
   ================================ */
.footer {
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    color: var(--color-text-tertiary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.footer-legal {
    font-size: 0.8rem !important;
    color: var(--color-text-muted) !important;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    justify-items: end;
}

.footer-col h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.footer-col a {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-tertiary);
    padding: var(--spacing-xs) 0;
}

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

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

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

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

@keyframes scrollBounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(12px);
    }
}

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

/* ================================
   Responsive Design
   ================================ */
@media (max-width: 1024px) {
    .philosophy-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .philosophy-visual {
        order: -1;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-bg-secondary);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-3xl) var(--spacing-lg);
        gap: var(--spacing-md);
        transition: var(--transition-base);
        border-left: 1px solid var(--color-border);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .nav-link {
        font-size: 1.1rem;
        padding: var(--spacing-sm) 0;
    }
    
    .nav-cta {
        margin-top: var(--spacing-md);
    }
    
    .hero-stats {
        gap: var(--spacing-lg);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-options {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-2xl: 3rem;
        --spacing-3xl: 4rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
}