/* ==========================================================================
   CSS Variables & Reset
   ========================================================================== */
:root {
    --bg-color: #030303;
    --bg-secondary: #0a0a0a;
    --primary-color: #5a009d; /* Purple accent */
    --primary-hover: #7b00d3;
    --text-main: #ffffff;
    --text-muted: #aaaaaa;
    --border-color: #333333;
    --font-main: 'Montserrat', sans-serif;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

.mt-4 {
    margin-top: 1.5rem;
}

/* ==========================================================================
   Typography & Buttons
   ========================================================================== */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.2;
}

.section-title {
    text-align: center;
    font-size: 1.5rem;
    letter-spacing: 2px;
    margin-bottom: 40px;
    text-transform: uppercase;
}

.section-title.left-align {
    text-align: left;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

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

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

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

.btn-outline:hover {
    background-color: var(--text-main);
    color: var(--bg-color);
}

/* ==========================================================================
   Header
   ========================================================================== */
header {
    background-color: rgba(0, 0, 0, 0.9);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo img {
    height: 60px;
}

nav ul {
    display: flex;
    gap: 25px;
}

nav a {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1px;
}

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

.mobile-menu-icon {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    height: 70vh;
    min-height: 500px;
    background: url('img/laser-hero.jpg') center/cover no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    padding-top: 80px; /* Offset for header */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1000px;
}

.hero-logo {
    margin-bottom: 20px;
    max-width: 450px;
}

.hero h1 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.hero p {
    color: var(--text-muted);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services {
    background-color: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
}

.service-card {
    background-color: #0d0d0d;
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
}

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

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 2px solid var(--primary-color);
}

.card-content {
    padding: 20px;
}

.card-content i {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.card-content h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.card-content p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about {
    background: radial-gradient(circle at center, #111 0%, #000 100%);
}

.about-container {
    display: flex;
    align-items: center;
    gap: 50px;
    margin-bottom: 60px;
}

.about-text {
    flex: 1;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.about-image {
    flex: 1;
}

.about-image img {
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.8);
}

.features-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 40px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.feature-item i {
    font-size: 2rem;
    color: var(--primary-color);
}

.feature-item h4 {
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.feature-item p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Materials Section
   ========================================================================== */
.materials {
    background-color: var(--bg-color);
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.material-card {
    position: relative;
    overflow: hidden;
}

.material-card img {
    width: 100%;
    transition: transform 0.5s;
}

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

.material-card h3 {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 15px;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    text-align: center;
    letter-spacing: 2px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
    background-color: var(--bg-secondary);
    border-top: 2px solid var(--border-color);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 60px 20px;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-cta h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.footer-cta p {
    color: var(--text-muted);
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.info-row {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.info-row i {
    color: var(--primary-color);
    margin-top: 5px;
}

.info-row span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-logo img {
    max-width: 400px;
}

.footer-bottom {
    background-color: #000;
    padding: 20px 0;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 20px;
}

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

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .features-bar {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    nav, .header-container .btn {
        display: none;
    }
    .mobile-menu-icon {
        display: block;
    }
    .hero-content {
        text-align: center;
        margin: 0 auto;
    }
    .hero-overlay {
        background: rgba(0,0,0,0.7);
    }
    .hero-buttons {
        justify-content: center;
        flex-direction: column;
    }
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-container {
        flex-direction: column;
    }
    .materials-grid {
        grid-template-columns: 1fr;
    }
    .footer-top {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    .features-bar {
        grid-template-columns: 1fr;
    }
    .bottom-flex {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}