/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-bg: #0f1419;
    --color-bg-alt: #161d26;
    --color-surface: #1c2530;
    --color-border: #2a3544;
    --color-text: #e8edf2;
    --color-text-muted: #9aa8b8;
    --color-primary: #f97316; /* industrial orange */
    --color-primary-hover: #ea580c;
    --color-accent: #38bdf8; /* steel blue */
    --color-success: #22c55e;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Oswald', 'Inter', sans-serif;
    --radius: 12px;
    --shadow: 0 10px 40px rgba(0,0,0,0.35);
    --transition: 0.25s ease;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.75rem); }
h3 { font-size: 1.35rem; }

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3.5rem;
}

.section-header p {
    color: var(--color-text-muted);
    margin-top: 1rem;
    font-size: 1.1rem;
}

.section-header.light h2,
.section-header.light p {
    color: #fff;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 1.75rem;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}

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

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(249, 115, 22, 0.35);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-secondary:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.08);
}

.btn-sm {
    padding: 0.65rem 1.25rem;
    font-size: 0.875rem;
}

.btn-full {
    width: 100%;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 20, 25, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--color-border);
    background: rgba(15, 20, 25, 0.95);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--color-primary), #c2410c);
    color: #fff;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    border-radius: 8px;
    letter-spacing: 0.05em;
}

.logo-text {
    font-size: 1.05rem;
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

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

.nav-links a:hover {
    color: #fff;
}

.btn-nav {
    background: var(--color-primary) !important;
    color: #fff !important;
    padding: 0.55rem 1.2rem;
    border-radius: 6px;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    transition: all 0.3s;
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: 
        linear-gradient(135deg, rgba(15,20,25,0.92) 0%, rgba(15,20,25,0.75) 100%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%232a3544" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>'),
        linear-gradient(160deg, #0f1419 0%, #1a2332 50%, #0f1419 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 70%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(249,115,22,0.12) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    background: rgba(249,115,22,0.15);
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    border: 1px solid rgba(249,115,22,0.3);
    margin-bottom: 1.5rem;
}

.hero h1 {
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, #fff 0%, #c5d0dc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    max-width: 560px;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.15rem;
}

/* ===== Services ===== */
.services {
    padding: 6rem 0;
    background: var(--color-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
    transition: all var(--transition);
}

.service-card:hover {
    border-color: rgba(249,115,22,0.4);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.service-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(249,115,22,0.12);
    color: var(--color-primary);
    border-radius: 10px;
    margin-bottom: 1.25rem;
}

.service-icon svg {
    width: 24px;
    height: 24px;
}

.service-card h3 {
    margin-bottom: 0.75rem;
}

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

/* ===== Facilities ===== */
.facilities {
    padding: 6rem 0;
    background: linear-gradient(180deg, #161d26 0%, #0f1419 100%);
}

.facilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.facility-item {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.facility-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--color-primary);
    opacity: 0;
    transition: opacity var(--transition);
}

.facility-item:hover::before {
    opacity: 1;
}

.facility-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: rgba(249,115,22,0.25);
    line-height: 1;
    margin-bottom: 1rem;
}

.facility-item h3 {
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

.facility-item p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* ===== About ===== */
.about {
    padding: 6rem 0;
    background: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-content h2 {
    margin-bottom: 1.5rem;
}

.about-content > p {
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.mission-box {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--color-surface);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--radius) var(--radius) 0;
}

.mission-box h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.mission-box p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.feature {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.feature-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(34,197,94,0.15);
    color: var(--color-success);
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 700;
}

.feature strong {
    display: block;
    margin-bottom: 0.2rem;
}

.feature p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ===== Projects ===== */
.projects {
    padding: 6rem 0;
    background: var(--color-bg-alt);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: all var(--transition);
}

.project-card:hover {
    border-color: rgba(56,189,248,0.4);
    transform: translateY(-3px);
}

.project-card.highlight {
    background: linear-gradient(135deg, rgba(249,115,22,0.12), rgba(249,115,22,0.05));
    border-color: rgba(249,115,22,0.3);
}

.project-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

.project-card h3 {
    margin-bottom: 0.5rem;
}

.project-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

/* ===== CTA Banner ===== */
.cta-banner {
    padding: 5rem 0;
    background: linear-gradient(135deg, #c2410c 0%, #ea580c 50%, #f97316 100%);
    text-align: center;
}

.cta-content h2 {
    color: #fff;
    margin-bottom: 0.75rem;
}

.cta-content p {
    color: rgba(255,255,255,0.9);
    font-size: 1.15rem;
    margin-bottom: 1.75rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-banner .btn-primary {
    background: #fff;
    color: #c2410c;
}

.cta-banner .btn-primary:hover {
    background: #f1f5f9;
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

/* ===== Contact ===== */
.contact {
    padding: 6rem 0;
    background: var(--color-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 3rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.contact-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.contact-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.contact-card a {
    color: var(--color-text);
    font-weight: 500;
}

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

.hours, .note {
    font-size: 0.85rem !important;
    margin-top: 0.35rem;
}

.map-container {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    padding: 0;
}

.map-container iframe {
    display: block;
    width: 100%;
    height: 280px;
}

.map-link {
    padding: 0.75rem 1rem;
    margin: 0;
    text-align: center;
    font-size: 0.9rem;
}

.map-link a {
    color: var(--color-primary);
    font-weight: 500;
}

.map-link a:hover {
    text-decoration: underline;
}

.contact-form {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
}

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

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.4rem;
    color: var(--color-text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color var(--transition);
}

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

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

.form-note {
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 1rem;
}

/* ===== Footer ===== */
.footer {
    background: #0a0e13;
    border-top: 1px solid var(--color-border);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.95rem;
    margin-bottom: 1rem;
    color: #fff;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    transition: color var(--transition);
}

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

.footer-contact p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.credit {
    opacity: 0.7;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

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

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

    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-bg);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-120%);
        opacity: 0;
        transition: all 0.3s ease;
        pointer-events: none;
    }

    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .hero-stats {
        gap: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}