/* ========================================
   CSS Variables & Reset
======================================== */
:root {
    --primary-blue: #2563eb;
    --primary-blue-dark: #1d4ed8;
    --primary-green: #059669;
    --primary-green-light: #10b981;
    --accent-teal: #0d9488;
    
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-teal) 50%, var(--primary-green) 100%);
    --gradient-soft: linear-gradient(135deg, #dbeafe 0%, #d1fae5 100%);
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --font-display: 'Outfit', sans-serif;
    --font-body: 'DM Sans', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

/* ========================================
   Layout
======================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Typography
======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--gray-800);
    line-height: 1.2;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: 1.25rem; }

a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* ========================================
   Buttons
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

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

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

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
}

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

.btn-full {
    width: 100%;
}

/* ========================================
   Header & Navigation
======================================== */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--gray-100);
}

header nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.15rem;
    color: var(--gray-800);
}

.logo-icon {
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--gray-600);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--primary-blue);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ========================================
   Hero Section
======================================== */
.hero {
    position: relative;
    padding: 140px 0 100px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-soft);
    opacity: 0.6;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(5, 150, 105, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-blue);
    margin-bottom: 24px;
}

.hero h1 {
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-700) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.2rem;
    color: var(--gray-600);
    margin-bottom: 32px;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-features {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--gray-600);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--primary-green-light);
    color: var(--white);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}

/* ========================================
   Section Styles
======================================== */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 14px;
    background: var(--gradient-soft);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 16px;
}

.section-header p {
    color: var(--gray-500);
    font-size: 1.1rem;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 12px;
    color: var(--gray-800);
}

.service-card p {
    color: var(--gray-500);
    font-size: 0.95rem;
}

/* ========================================
   About Section
======================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content .section-tag {
    margin-bottom: 16px;
}

.about-content h2 {
    margin-bottom: 20px;
}

.about-content > p {
    color: var(--gray-500);
    margin-bottom: 28px;
}

.about-list {
    list-style: none;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}

.about-list li:last-child {
    border-bottom: none;
}

.about-list .check {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    background: var(--gradient-soft);
    padding: 32px;
    border-radius: var(--radius-lg);
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-600);
    font-weight: 500;
}

/* ========================================
   QR Code Generator Section
======================================== */
.qr-section {
    background: var(--gray-50);
}

.qr-generator-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-100);
}

.qr-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: var(--gray-700);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--gray-800);
    transition: border-color 0.2s ease;
    background: var(--white);
}

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

.form-group textarea {
    resize: vertical;
}

.qr-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.qr-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 300px;
    aspect-ratio: 1;
    background: var(--gradient-soft);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--gray-300);
    color: var(--gray-400);
    font-size: 0.95rem;
    text-align: center;
    padding: 20px;
}

#qr-result {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    width: 100%;
}

#qr-code {
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

#qr-code canvas {
    display: block;
}

/* ========================================
   Contact Section
======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info .section-tag {
    margin-bottom: 16px;
}

.contact-info h2 {
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--gray-500);
    margin-bottom: 32px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-method strong {
    display: block;
    color: var(--gray-800);
    margin-bottom: 4px;
}

.contact-method a,
.contact-method span {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.contact-form-wrapper {
    background: var(--gray-50);
    padding: 40px;
    border-radius: var(--radius-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ========================================
   Footer
======================================== */
footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--gray-700);
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 16px;
}

.footer-brand .logo-icon {
    background: linear-gradient(135deg, #60a5fa 0%, #34d399 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: var(--gray-400);
    font-size: 0.95rem;
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 20px;
}

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

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

.footer-links a {
    color: var(--gray-400);
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

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

.footer-contact p {
    color: var(--gray-400);
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 992px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-stats {
        max-width: 400px;
    }
    
    .qr-generator-card {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--gray-100);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 16px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .qr-generator-card {
        padding: 24px;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        padding: 24px;
    }
}

/* ========================================
   Pricing Section
======================================== */
.pricing {
    background: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.pricing-card {
    position: relative;
    background: var(--gray-50);
    padding: 36px 32px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--gray-100);
    text-align: center;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    background: var(--white);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--white);
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.pricing-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.pricing-card h3 {
    margin-bottom: 12px;
    color: var(--gray-800);
}

.pricing-card > p {
    color: var(--gray-500);
    font-size: 0.95rem;
    margin-bottom: 28px;
    min-height: 48px;
}

.pricing-cta {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.call-for-quote {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
}

.pricing-note {
    text-align: center;
    padding: 20px;
    background: var(--gradient-soft);
    border-radius: var(--radius-md);
}

.pricing-note p {
    color: var(--gray-600);
    font-size: 0.95rem;
    font-weight: 500;
}

@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-note p {
        font-size: 0.85rem;
    }
}

/* ========================================
   Animations
======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 0.6s ease-out;
}

.service-card {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }
.service-card:nth-child(5) { animation-delay: 0.5s; }
.service-card:nth-child(6) { animation-delay: 0.6s; }

/* Form submission success state */
.form-success {
    background: var(--primary-green-light);
    color: var(--white);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 500;
}