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

:root {
    /* Colors */
    --color-navy: #1a202c;
    --color-navy-light: #2d3748;
    --color-steel: #0ea5e9;
    --color-steel-dark: #0284c7;
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Space Grotesk', system-ui, sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-900);
    background-color: var(--color-gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

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

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

.btn-secondary:hover {
    background-color: var(--color-steel);
    color: var(--color-white);
}

.btn-hero {
    background-color: var(--color-steel);
    color: var(--color-white);
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-hero:hover {
    background-color: var(--color-steel-dark);
    transform: translateY(-2px);
}

.btn-hero-outline {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-hero-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all var(--transition-base);
    background-color: transparent;
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--color-gray-200);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 5rem;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: opacity var(--transition-base);
}

.logo:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--color-steel);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: box-shadow var(--transition-base);
}

.logo:hover .logo-icon {
    box-shadow: var(--shadow-lg);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-white);
    transition: color var(--transition-base);
}

.header.scrolled .logo-title {
    color: var(--color-gray-900);
}

.logo-subtitle {
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-base);
}

.header.scrolled .logo-subtitle {
    color: var(--color-gray-600);
}

/* Navigation */
.nav-desktop {
    display: none;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
    transition: all var(--transition-base);
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.header.scrolled .nav-link {
    color: var(--color-gray-900);
}

.header.scrolled .nav-link:hover {
    background-color: var(--color-gray-100);
}

.btn-cta {
    display: none;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-white);
    border-radius: 0.5rem;
    transition: all var(--transition-base);
}

.header.scrolled .mobile-menu-btn {
    color: var(--color-gray-900);
}

.mobile-menu-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.header.scrolled .mobile-menu-btn:hover {
    background-color: var(--color-gray-100);
}

.close-icon {
    display: none;
}

.mobile-menu-btn.active .menu-icon {
    display: none;
}

.mobile-menu-btn.active .close-icon {
    display: block;
}

.mobile-menu {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all var(--transition-base);
    background-color: var(--color-white);
    border-top: 1px solid var(--color-gray-200);
}

.mobile-menu.active {
    max-height: 500px;
    opacity: 1;
}

.mobile-nav {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.mobile-nav-link {
    display: block;
    padding: 0.75rem 1rem;
    font-weight: 500;
    border-radius: 0.5rem;
    color: var(--color-gray-900);
    transition: background-color var(--transition-base);
}

.mobile-nav-link:hover {
    background-color: var(--color-gray-100);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
}

.hero-bg-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 32, 44, 0.95) 0%, rgba(45, 55, 72, 0.9) 100%);
    z-index: 1;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.5;
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 10;
    padding-top: 5rem;
    width: 100%;
}

.hero-inner {
    max-width: 64rem;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    background-color: rgba(14, 165, 233, 0.2);
    border: 1px solid rgba(14, 165, 233, 0.3);
    margin-bottom: 2rem;
    animation: fade-in 0.6s ease-out;
}

.hero-badge-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 9999px;
    background-color: var(--color-steel);
    animation: pulse 2s ease-in-out infinite;
}

.hero-badge-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.hero-title {
    font-size: clamp(2rem, 6vw, 4.5rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    animation: slide-up 0.8s ease-out;
}

.hero-accent {
    color: var(--color-steel);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 3vw, 1.5rem);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
    animation: fade-in 0.6s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    justify-content: center;
    margin-bottom: 4rem;
    animation: fade-in 0.6s ease-out 0.4s both;
}

.hero-trust {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    animation: fade-in 0.6s ease-out 0.6s both;
}

.hero-trust-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.hero-brands {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    opacity: 0.7;
}

.hero-brand {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-white);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 1.5rem;
    height: 2.5rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 9999px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 0.5rem;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator-inner {
    width: 0.25rem;
    height: 0.5rem;
    border-radius: 9999px;
    background-color: rgba(255, 255, 255, 0.5);
}

/* Sections */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-alt {
    background-color: var(--color-white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    max-width: 42rem;
    margin: 0 auto;
}

/* Equipment Grid */
.equipment-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.equipment-card {
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.equipment-icon {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, var(--color-steel) 0%, var(--color-steel-dark) 100%);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.equipment-title {
    font-size: 1.5rem;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.equipment-description {
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.feature-card {
    position: relative;
    padding: var(--spacing-xl);
    background-color: var(--color-gray-50);
    border-radius: 1rem;
    border: 2px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

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

.feature-number {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-gray-200);
}

.feature-title {
    font-size: 1.5rem;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--color-gray-600);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.product-card {
    background-color: var(--color-white);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.product-image {
    position: relative;
    height: 16rem;
    background: linear-gradient(135deg, var(--color-gray-200) 0%, var(--color-gray-300) 100%);
    overflow: hidden;
}

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

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

.product-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: 0.5rem 1rem;
    background-color: var(--color-steel);
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 0.5rem;
    z-index: 10;
}

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

.product-title {
    font-size: 1.5rem;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.product-description {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.product-price {
    font-weight: 600;
    color: var(--color-gray-900);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.service-card {
    padding: var(--spacing-lg);
    background-color: var(--color-gray-50);
    border-radius: 0.5rem;
    border-left: 4px solid var(--color-steel);
}

.service-title {
    font-size: 1.25rem;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.service-description {
    color: var(--color-gray-600);
}

/* About Section */
.about-content {
    max-width: 56rem;
    margin: 0 auto;
}

.about-description {
    font-size: 1.125rem;
    color: var(--color-gray-700);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 2px solid var(--color-gray-200);
}

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

.about-stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-steel);
    margin-bottom: var(--spacing-xs);
}

.about-stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    max-width: 64rem;
    margin: 0 auto;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

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

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-700);
}

.form-input,
.form-textarea {
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: var(--font-sans);
    border: 2px solid var(--color-gray-300);
    border-radius: 0.5rem;
    transition: border-color var(--transition-base);
}

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

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-info-item {
    padding: var(--spacing-lg);
    background-color: var(--color-gray-50);
    border-radius: 0.5rem;
}

.contact-info-title {
    font-size: 1.125rem;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.contact-info-text {
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* Footer */
.footer {
    background-color: var(--color-navy);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer-text {
    color: rgba(255, 255, 255, 0.7);
}

.footer-heading {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-base);
}

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

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

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

@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

/* Responsive Design */
@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }

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

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

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

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

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

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

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

@media (min-width: 1024px) {
    .nav-desktop {
        display: flex;
    }

    .btn-cta {
        display: inline-flex;
    }

    .mobile-menu-btn {
        display: none;
    }

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

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

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

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