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

:root {
    /* Colors */
    --color-primary: #FF8C00;
    --color-primary-hover: #ff9500;
    --color-accent: #FF8C00;
    --color-background: #1A202C;
    --color-secondary: #111827;
    --color-text: #FFFFFF;
    --color-text-muted: #E2E8F0;
    --color-border: #2D3748;
    --color-card: #1A202C;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 5rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    z-index: 50;
}

.nav-container {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.logo-accent {
    color: var(--color-text);
}

.nav-menu {
    display: none;
    gap: 2rem;
    margin-left: 3rem;
}

.nav-container > .btn-primary {
    margin-left: auto;
}

@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition);
}

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

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

@media (min-width: 768px) {
    .mobile-menu-toggle {
        display: none;
    }
}

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

@media (max-width: 767px) {
    .nav-menu.mobile-active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: rgba(17, 24, 39, 0.98);
        border-bottom: 1px solid var(--color-border);
        padding: 1rem;
        gap: 1rem;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-family: var(--font-family);
    font-size: 1rem;
}

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

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

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

.btn-outline:hover {
    background-color: rgba(255, 140, 0, 0.1);
    border-color: var(--color-primary);
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

.icon-arrow {
    width: 1rem;
    height: 1rem;
}

/* Hero Section */
.hero {
    padding-top: 8rem;
    padding-bottom: 5rem;
    background: var(--color-background);
}

.hero-grid {
    display: grid;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 768px) {
    .hero-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.1;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

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

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 42rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    padding-top: 1rem;
    flex-wrap: wrap;
}

.hero-image-card {
    background-color: rgba(26, 26, 26, 0.8);
    border-radius: 1rem;
    padding: 2rem;
    border: 1px solid var(--color-border);
}

.thermal-showcase {
    border-radius: 0.75rem;
    overflow: hidden;
    display: block;
    line-height: 0;
}

.thermal-showcase-image {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    vertical-align: middle;
}

/* Section Styles */
.section {
    padding: 5rem 1rem;
    background-color: var(--color-background);
}

.section-alt {
    background-color: rgba(17, 24, 39, 0.5);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 42rem;
    margin: 0 auto;
}

/* Services Grid */
.services-grid {
    display: grid;
    gap: 2rem;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background-color: rgba(17, 24, 39, 0.6);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    padding: 2rem;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--color-primary);
}

.service-icon {
    color: var(--color-primary);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    color: var(--color-primary);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.service-description {
    color: var(--color-text-muted);
}

/* Why Choose Us */
.why-grid {
    display: grid;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 768px) {
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    font-size: 1.125rem;
}

.feature-bullet {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    background-color: rgba(255, 140, 0, 0.2);
    flex-shrink: 0;
    margin-top: 0.25rem;
    position: relative;
}

.feature-bullet::after {
    content: '';
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background-color: var(--color-primary);
}

.insights-card {
    background-color: rgba(17, 24, 39, 0.6);
    border-radius: 1rem;
    padding: 2rem;
    border: 1px solid var(--color-border);
}

.insights-icon {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.insights-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.insights-description {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.insights-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.insight-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.feature-icon {
    color: var(--color-primary);
}

/* Capabilities Grid */
.capabilities-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 768px) {
    .capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .capabilities-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.capability-card {
    background-color: rgba(17, 24, 39, 0.6);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.capability-card:hover {
    border-color: var(--color-primary);
}

.capability-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.capability-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* Contact Section */
.contact-card {
    background-color: rgba(17, 24, 39, 0.8);
    border-radius: 1rem;
    border: 1px solid var(--color-border);
    padding: 3rem;
    max-width: 64rem;
    margin: 0 auto;
}

.contact-title {
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
}

.contact-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: 3rem;
}

.contact-grid {
    display: grid;
    gap: 2rem;
}

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

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

.contact-icon {
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.contact-label {
    font-weight: 600;
}

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

.contact-link:hover {
    color: var(--color-primary-hover);
}

.contact-text {
    color: var(--color-text-muted);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-input,
.form-textarea {
    width: 100%;
    background-color: rgba(17, 24, 39, 0.8);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    color: var(--color-text);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition);
}

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

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

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-status {
    text-align: center;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.form-status.success {
    color: #10b981;
}

.form-status.error {
    color: #ef4444;
}

/* Footer */
.footer {
    padding: 3rem 1rem;
    background-color: var(--color-background);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    text-align: center;
    color: var(--color-text-muted);
}

.footer-tagline {
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Accessibility */
.btn:focus,
.form-input:focus,
.form-textarea:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Loading state for form */
.contact-form.loading {
    opacity: 0.6;
    pointer-events: none;
}