/* Base & Reset */
:root {
    --bg-dark: #090e17;
    --bg-card: #151e2e;
    --bg-card-hover: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-main: #f59e0b;
    --accent-glow: rgba(245, 158, 11, 0.2);
    --gradient-primary: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

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

/* Utilities */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-family: var(--font-heading);
    cursor: pointer;
    text-align: center;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(234, 88, 12, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(9, 14, 23, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 1rem 0;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 4px;
    display: inline-block;
}

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

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
}

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

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

.nav-links a:hover::after {
    width: 100%;
}

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

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

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 2rem;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(9, 14, 23, 0.4) 0%, #090e17 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
    margin-top: 4rem;
}

.hero-content h1 {
    font-size: clamp(3rem, 5vw, 4.5rem);
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-inline: auto;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* About Section */
.about {
    padding: 8rem 0;
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 400px;
    height: 400px;
    background: var(--accent-glow);
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    transform: translate(-50%, -50%);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.stat-value {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-visual {
    position: relative;
    height: 100%;
    min-height: 400px;
    border-radius: 1rem;
    background: linear-gradient(45deg, var(--bg-card), #1a2436);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    border: 1px solid rgba(255,255,255,0.05);
}

.glass-panel {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

.glass-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
    transform: skewX(-20deg);
    animation: shine 6s infinite;
}

@keyframes shine {
    100% { left: 200%; }
}

.glass-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.glass-content p {
    color: var(--text-secondary);
}

/* Materials Section */
.materials {
    padding: 8rem 0;
    background: #0b111a;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}

.section-header p {
    color: var(--text-secondary);
}

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

.material-card {
    background: var(--bg-card);
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.material-card:hover {
    transform: translateY(-10px);
    background: var(--bg-card-hover);
    border-color: rgba(255,255,255,0.1);
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.5);
}

.card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--bg-card) 0%, transparent 100%);
    transition: var(--transition);
}

.material-card:hover .card-overlay {
    background: linear-gradient(to top, var(--bg-card-hover) 0%, transparent 100%);
}

.card-content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 2;
    margin-top: -30px;
}

.card-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-card);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent-main);
    transition: var(--transition);
}

.material-card:hover .card-icon {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.card-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.card-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.card-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--accent-main);
    display: inline-flex;
    align-items: center;
}

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

/* CTA Banner */
.cta-banner {
    padding: 6rem 0;
    background: linear-gradient(to right, rgba(245, 158, 11, 0.1), rgba(234, 88, 12, 0.05));
    border-top: 1px solid rgba(245, 158, 11, 0.2);
    border-bottom: 1px solid rgba(245, 158, 11, 0.2);
    text-align: center;
    position: relative;
}

.cta-container {
    max-width: 700px;
}

.cta-banner h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-banner p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* Contact Section */
.contact-section {
    padding: 8rem 0;
    background: var(--bg-dark);
}

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

.contact-info-block h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-info-block p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 500px;
}

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

.contact-info li {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
}

.contact-info svg {
    color: var(--accent-main);
}

/* Netlify Form */
.contact-form-block {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 1rem;
    border: 1px solid rgba(255,255,255,0.05);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

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

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(9, 14, 23, 0.5);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-main);
    background: rgba(9, 14, 23, 0.8);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.form-group select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

.btn-block {
    width: 100%;
    margin-top: 0.5rem;
}

/* Footer */
.footer {
    background: #05080c;
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    margin-top: 1.5rem;
    color: var(--text-secondary);
    max-width: 300px;
}

.footer-links h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* Responsive */
@media (max-width: 992px) {
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.4s ease;
        border-left: 1px solid rgba(255,255,255,0.05);
    }

    .nav-links.active {
        right: 0;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}