/* ============================================
   Mirasi Provisions - Main Stylesheet
   ============================================ */

/* CSS Variables */
:root {
    --primary: #059669;
    --primary-dark: #047857;
    --primary-light: #10b981;
    --secondary: #0ea5e9;
    --accent: #f59e0b;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    
    --gradient-primary: linear-gradient(135deg, #059669 0%, #0ea5e9 100%);
    --gradient-hero: linear-gradient(135deg, #059669 0%, #10b981 50%, #0ea5e9 100%);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }

p {
    color: var(--gray-600);
    margin-bottom: 1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: var(--transition);
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.logo-icon {
    font-size: 2rem;
}

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

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--gray-800);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f0fdf4 0%, #e0f2fe 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--white);
    border: 2px solid var(--primary-light);
    border-radius: 50px;
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.badge-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
}

.hero-title {
    margin-bottom: 1.5rem;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: var(--gray-600);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-small {
    display: inline-block;
    padding: 10px 20px;
    background: var(--secondary);
    color: var(--white);
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.btn-small:hover {
    background: #0284c7;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-full {
    width: 100%;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 2rem;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}

.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
}

.floating-card {
    position: absolute;
    padding: 1.5rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: float 6s ease-in-out infinite;
}

.card-icon {
    font-size: 2.5rem;
}

.card-label {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.875rem;
}

.card-1 {
    top: 10%;
    left: 0;
    animation-delay: 0s;
}

.card-2 {
    top: 45%;
    right: 0;
    animation-delay: 2s;
}

.card-3 {
    bottom: 10%;
    left: 20%;
    animation-delay: 4s;
}

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

.hero-bg-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: radial-gradient(circle, rgba(5, 150, 105, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

/* Section Styles */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--primary);
    color: var(--white);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
}

/* About Section */
.about {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.about-card {
    padding: 2.5rem;
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    transition: var(--transition);
    border: 2px solid transparent;
}

.about-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-light);
    box-shadow: var(--shadow-lg);
}

.about-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.about-card h3 {
    margin-bottom: 1rem;
}

.about-values {
    text-align: center;
}

.values-title {
    margin-bottom: 2rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    font-weight: 600;
    color: var(--gray-800);
}

.value-check {
    width: 24px;
    height: 24px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.about-whitepaper {
    margin-top: 4rem;
    padding: 3rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    text-align: center;
    color: var(--white);
}

.about-whitepaper h3 {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.about-whitepaper p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.125rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.about-whitepaper .btn-primary {
    background: var(--white);
    color: var(--primary);
    font-size: 1.125rem;
    padding: 1rem 2.5rem;
}

.about-whitepaper .btn-primary:hover {
    background: var(--gray-100);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.external-icon {
    display: inline-block;
    margin-left: 0.5rem;
    font-size: 1.25rem;
}

/* Services Section */
.services {
    background: var(--gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    padding: 2.5rem;
    background: var(--white);
    border-radius: var(--radius-xl);
    transition: var(--transition);
    border: 2px solid var(--gray-200);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.featured-service {
    position: relative;
    border: 3px solid var(--primary);
    background: var(--gradient-primary);
    color: var(--white);
    padding: 3rem;
}

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

.service-badge {
    position: absolute;
    top: -15px;
    left: 2rem;
    padding: 0.5rem 1.5rem;
    background: var(--accent);
    color: var(--white);
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.875rem;
    box-shadow: var(--shadow-md);
}

.featured-service h3 {
    color: var(--white);
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.featured-service .service-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.service-highlight {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.featured-service .service-features li {
    color: rgba(255, 255, 255, 0.95);
}

.featured-service .service-features li::before {
    color: var(--accent);
}

.featured-service .service-features strong {
    color: var(--white);
}

.service-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

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

.service-stat .stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 0.25rem;
}

.service-stat .stat-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-card p {
    margin-bottom: 1.5rem;
}

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

.service-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray-700);
}

.service-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

/* App Features Section */
.app-features {
    background: var(--gray-50);
    padding: 6rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 2px solid var(--gray-200);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.feature-icon {
    width: 72px;
    height: 72px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.feature-card > p {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray-700);
    font-size: 0.9rem;
}

.feature-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.app-cta {
    text-align: center;
    padding: 4rem 3rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    color: var(--white);
}

.app-cta h3 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.app-cta p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

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

.app-cta .btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--white);
}

.app-cta .btn-secondary:hover {
    background: transparent;
    color: var(--white);
}

/* Portfolio Section */
.portfolio {
    background: var(--white);
}

.portfolio-grid {
    display: grid;
    gap: 3rem;
}

.portfolio-card {
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    padding: 3rem;
    position: relative;
    border: 2px solid var(--gray-200);
}

.portfolio-card.featured {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: transparent;
}

.portfolio-badge {
    position: absolute;
    top: -12px;
    left: 2rem;
    padding: 0.5rem 1.5rem;
    background: var(--accent);
    color: var(--white);
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.875rem;
}

.portfolio-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.portfolio-card h3 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.portfolio-description {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

.portfolio-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.tech-tag {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
}

.portfolio-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
}

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

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

.portfolio-features {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: var(--radius-lg);
}

.portfolio-features h4 {
    color: var(--white);
    margin-bottom: 1rem;
}

.portfolio-features ul {
    list-style: none;
}

.portfolio-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: rgba(255, 255, 255, 0.9);
}

.portfolio-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

.portfolio-cta {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem;
    background: var(--gray-50);
    border-radius: var(--radius-xl);
}

.portfolio-cta p {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--gray-800);
}

/* Screenshots Section */
.screenshots {
    background: var(--gray-50);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.screenshot-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    background: var(--white);
}

.screenshot-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.screenshot-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 9/16;
}

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

.screenshot-card:hover .screenshot-image img {
    transform: scale(1.05);
}

.screenshot-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem 1.5rem 1.5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    color: var(--white);
    transform: translateY(100%);
    transition: var(--transition);
}

.screenshot-card:hover .screenshot-overlay {
    transform: translateY(0);
}

.screenshot-overlay h4 {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.screenshot-overlay p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    margin: 0;
}

/* Team Section */
.team {
    background: var(--gray-50);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.team-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition);
    border: 2px solid var(--gray-200);
}

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

.team-avatar {
    margin-bottom: 1.5rem;
}

.avatar-placeholder {
    width: 120px;
    height: 120px;
    margin: 0 auto;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
}

.team-card h3 {
    margin-bottom: 0.5rem;
}

.team-role {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

.team-bio {
    margin-bottom: 1.5rem;
}

.team-contact {
    display: flex;
    justify-content: center;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--radius);
    transition: var(--transition);
}

.contact-link:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Technology Stack Section */
.tech-stack {
    background: var(--dark);
    color: var(--white);
}

.tech-stack .section-title,
.tech-stack .section-subtitle {
    color: var(--white);
}

.tech-stack .section-subtitle {
    opacity: 0.8;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.tech-category {
    background: var(--dark-light);
    padding: 2rem;
    border-radius: var(--radius-xl);
    border: 2px solid var(--gray-700);
}

.tech-category h3 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.tech-items {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tech-item {
    padding: 0.75rem 1rem;
    background: var(--gray-800);
    border-radius: var(--radius);
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
}

.tech-item:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

/* Contact Section */
.contact {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h3 {
    margin-bottom: 2rem;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-icon-box {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-details h4 {
    margin-bottom: 0.25rem;
}

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

.contact-details a:hover {
    text-decoration: underline;
}

.contact-social h4 {
    margin-bottom: 1rem;
}

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

.social-link {
    width: 45px;
    height: 45px;
    background: var(--gray-100);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 700;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

.contact-form-wrapper {
    background: var(--gray-50);
    padding: 3rem;
    border-radius: var(--radius-xl);
    border: 2px solid var(--gray-200);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--gray-800);
}

.form-group input,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 1rem;
}

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

.footer-links h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

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

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

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
}

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

.footer-bottom p {
    color: var(--gray-400);
    margin-bottom: 0.5rem;
}

.footer-tagline {
    font-weight: 600;
    color: var(--primary-light);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .about-grid,
    .services-grid,
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .screenshots-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .whitepaper-wrapper {
        grid-template-columns: 1fr;
    }
    
    .whitepaper-sidebar {
        border-right: none;
        border-bottom: 2px solid var(--gray-200);
    }
    
    .whitepaper-content {
        max-height: 600px;
    }
    
    .about-whitepaper {
        padding: 2rem;
    }
    
    .about-whitepaper h3 {
        font-size: 1.5rem;
    }
    
    .featured-service {
        padding: 2.5rem;
    }
    
    .service-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .about-grid,
    .services-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-stats {
        grid-template-columns: 1fr;
    }
    
    .screenshots-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .whitepaper-content {
        max-height: 500px;
    }
    
    .about-whitepaper {
        padding: 2rem;
        margin-top: 3rem;
    }
    
    .about-whitepaper h3 {
        font-size: 1.5rem;
    }
    
    .about-whitepaper p {
        font-size: 1rem;
    }
    
    .featured-service {
        padding: 2rem;
    }
    
    .service-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .service-badge {
        left: 1rem;
        font-size: 0.75rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .container {
        padding: 0 16px;
    }
    
    .portfolio-card {
        padding: 2rem;
    }
    
    .contact-form-wrapper {
        padding: 2rem;
    }
}