/* Applied Force Engineering - Dark Tech Modern Design */

:root {
    /* Brand Colours - Applied Force Engineering Style Guide V1 (July 2025) */
    --primary-green: #7ac142;   /* PMS 368C */
    --accent-green: #7ac142;    /* PMS 368C */
    --navy-primary: #00235d;    /* PMS 2767C */
    --navy-secondary: #001a48;
    --navy-tertiary: #12305f;
    --black-bg: #00053d;        /* PMS 282C */
    --charcoal: #1c2b39;        /* PMS 432C */

    /* Text Colours */
    --text-white: #FFFFFF;
    --text-light: #E8ECF3;
    --text-muted: #A9B6CC;
    --text-subtle: #7688A6;

    /* Backgrounds */
    --bg-primary: #00053d;
    --bg-secondary: #041a4a;
    --bg-tertiary: #0a2358;
    --bg-card: #0a2358;

    /* Accents */
    --border-color: #1c3a66;
    --border-accent: #7ac142;

    /* Effects */
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.7);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Avenir Next', 'Avenir', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6; color: var(--text-white); background: var(--bg-primary); overflow-x: hidden;
}
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3, h4, h5, h6 {
    font-family: 'Avenir Next', 'Avenir', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-weight: 700; line-height: 1.2; letter-spacing: -0.5px; color: var(--text-white);
}
h1 { font-size: 64px; } h2 { font-size: 48px; } h3 { font-size: 28px; } h4 { font-size: 20px; }
p { font-size: 16px; line-height: 1.8; color: var(--text-light); }
a { text-decoration: none; color: inherit; }

.navbar { background: rgba(10, 14, 20, 0.95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 1000; }
.nav-wrapper { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; max-width: 1280px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.logo { display: flex; align-items: center; gap: 12px; font-size: 16px; font-weight: 700; color: var(--text-white); transition: var(--transition); letter-spacing: 1px; text-transform: uppercase; }
.logo:hover { color: var(--accent-green); }
.logo svg { width: 32px; height: 32px; }
.logo img { height: 30px; width: auto; display: block; }
@media (max-width: 600px) { .logo img { height: 24px; } }
.nav-links { display: flex; list-style: none; gap: 40px; align-items: center; }
.nav-links a { font-size: 13px; font-weight: 600; color: var(--text-muted); position: relative; transition: var(--transition); text-transform: uppercase; letter-spacing: 1px; }
.nav-links a:hover, .nav-links a.active { color: var(--accent-green); }
.nav-links a::before { content: ''; position: absolute; bottom: -8px; left: 0; width: 0; height: 2px; background: var(--accent-green); transition: width 0.3s ease; }
.nav-links a:hover::before, .nav-links a.active::before { width: 100%; }
.btn-nav { background: transparent; color: var(--text-white) !important; padding: 8px 16px; border: 1px solid var(--border-accent); border-radius: 3px; font-size: 12px; font-weight: 700; transition: var(--transition); }
.btn-nav:hover { background: var(--accent-green); color: var(--bg-primary) !important; border-color: var(--accent-green); }
.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.menu-toggle span { width: 24px; height: 2px; background: var(--text-white); transition: var(--transition); }

.btn { display: inline-block; padding: 14px 32px; border-radius: 3px; font-weight: 700; font-size: 13px; transition: var(--transition); border: 1px solid transparent; cursor: pointer; text-align: center; letter-spacing: 0.5px; text-transform: uppercase; }
.btn-primary { background: linear-gradient(135deg, var(--accent-green), var(--primary-green)); color: var(--bg-primary); border: 1px solid var(--accent-green); box-shadow: 0 0 20px rgba(122, 193, 67, 0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(122, 193, 67, 0.5); }
.btn-outline { background: transparent; color: var(--accent-green); border: 1px solid var(--accent-green); }
.btn-outline:hover { background: rgba(122, 193, 67, 0.1); box-shadow: 0 0 20px rgba(122, 193, 67, 0.3); }
.btn-large { padding: 16px 48px; font-size: 14px; }

.hero { background: var(--navy-primary); position: relative; overflow: hidden; padding: 160px 0; min-height: 700px; display: flex; align-items: center; justify-content: center; }
.hero-slides { position: absolute; inset: 0; z-index: 0; }
.hero-slide { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; animation: heroFade 21s infinite; will-change: opacity; }
.hero-slide:nth-child(1) { animation-delay: 0s; }
.hero-slide:nth-child(2) { animation-delay: 7s; }
.hero-slide:nth-child(3) { animation-delay: 14s; }
@keyframes heroFade { 0% { opacity: 0; } 3% { opacity: 1; } 29% { opacity: 1; } 35% { opacity: 0; } 100% { opacity: 0; } }
.hero-overlay { position: absolute; inset: 0; z-index: 1; background: linear-gradient(115deg, rgba(0,5,61,0.90) 0%, rgba(0,35,93,0.72) 55%, rgba(0,35,93,0.55) 100%); pointer-events: none; }
@media (prefers-reduced-motion: reduce) { .hero-slide { animation: none; } .hero-slide:nth-child(1) { opacity: 1; } }
.hero-watermark { position: absolute; right: -30px; top: 50%; transform: translateY(-50%); width: 500px; max-width: 50%; opacity: 0.06; z-index: 1; pointer-events: none; }
.hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background-image: linear-gradient(to right, rgba(122, 193, 67, 0.05) 1px, transparent 1px), linear-gradient(to bottom, rgba(122, 193, 67, 0.05) 1px, transparent 1px); background-size: 60px 60px; pointer-events: none; }
.hero::after { content: ''; position: absolute; top: 0; right: 0; width: 600px; height: 600px; background: radial-gradient(circle, rgba(122, 193, 67, 0.08) 0%, transparent 70%); border-radius: 50%; pointer-events: none; }
.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero h1 { font-size: 72px; margin-bottom: 24px; font-weight: 800; line-height: 1.1; color: var(--text-white); letter-spacing: -1px; }
.hero .highlight { color: var(--accent-green); position: relative; display: inline-block; padding-bottom: 8px; border-bottom: 3px solid var(--accent-green); }
.hero-subtitle { font-size: 18px; color: var(--text-light); margin-bottom: 40px; max-width: 600px; }
.hero-buttons { display: flex; gap: 20px; flex-wrap: wrap; }

section { padding: 120px 0; position: relative; }
section.dark { background: var(--bg-secondary); }
.section-header { text-align: left; margin-bottom: 80px; }
.section-header h2 { margin-bottom: 16px; position: relative; display: inline-block; padding-bottom: 16px; }
.section-header h2::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--accent-green), transparent); }
.section-subtitle { font-size: 16px; color: var(--text-muted); max-width: 600px; }

.services { background: var(--bg-secondary); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 32px; }
.service-card { background: transparent; padding: 40px; border: 1px solid var(--border-color); border-radius: 3px; transition: var(--transition); position: relative; overflow: hidden; }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--accent-green), transparent); transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease; }
.service-card:hover { border-color: var(--accent-green); box-shadow: 0 0 20px rgba(122, 193, 67, 0.2); }
.service-card:hover::before { transform: scaleX(1); }
.service-number { font-size: 56px; font-weight: 800; color: var(--accent-green); opacity: 0.3; margin-bottom: 20px; line-height: 1; }
.service-card h3 { color: var(--text-white); margin-bottom: 12px; font-size: 20px; }
.service-card p { color: var(--text-muted); font-size: 15px; margin-bottom: 20px; }
.service-link { color: var(--accent-green); font-weight: 600; transition: var(--transition); display: inline-flex; align-items: center; gap: 8px; }
.service-link:hover { transform: translateX(4px); }

.why-us { background: var(--bg-primary); }
.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; max-width: 1200px; margin: 0 auto; }
.column-text h2 { margin-bottom: 24px; }
.column-text p { color: var(--text-muted); margin-bottom: 32px; font-size: 16px; }
.features-list { list-style: none; }
.features-list li { padding: 12px 0; padding-left: 32px; position: relative; color: var(--text-light); font-weight: 500; border-bottom: 1px solid var(--border-color); }
.features-list li:last-child { border-bottom: none; }
.features-list li::before { content: '\2192'; position: absolute; left: 0; color: var(--accent-green); font-weight: 800; font-size: 16px; }
.feature-highlight { background: linear-gradient(135deg, rgba(122, 193, 67, 0.05), rgba(122, 193, 67, 0.02)); padding: 40px; border: 1px solid var(--border-color); border-radius: 3px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.stat { text-align: center; border-right: 1px solid var(--border-color); }
.stat:last-child { border-right: none; }
.stat-number { font-size: 42px; font-weight: 800; color: var(--accent-green); margin-bottom: 12px; }
.stat-label { font-size: 13px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }

.cta-section { background: linear-gradient(135deg, var(--navy-primary), var(--navy-secondary)); text-align: center; padding: 120px 0; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background-image: linear-gradient(to right, rgba(122, 193, 67, 0.03) 1px, transparent 1px), linear-gradient(to bottom, rgba(122, 193, 67, 0.03) 1px, transparent 1px); background-size: 80px 80px; pointer-events: none; }
.cta-section h2 { color: var(--accent-green); margin-bottom: 16px; font-size: 52px; position: relative; z-index: 2; }
.cta-section p { font-size: 18px; color: var(--text-light); margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto; position: relative; z-index: 2; }

.contact { background: var(--bg-secondary); padding: 100px 0; }
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; max-width: 1100px; margin: 0 auto; }
.contact-form h2, .contact-info h2 { color: var(--text-white); margin-bottom: 40px; font-size: 32px; position: relative; display: inline-block; padding-bottom: 12px; border-bottom: 2px solid var(--accent-green); }
.contact-form { background: rgba(26, 35, 50, 0.5); padding: 40px; border: 1px solid var(--border-color); border-radius: 3px; }
.form-group { margin-bottom: 20px; }
.form-group input, .form-group textarea { width: 100%; padding: 14px 16px; border: 1px solid var(--border-color); border-radius: 3px; font-family: inherit; font-size: 14px; transition: var(--transition); background: transparent; color: var(--text-white); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-subtle); }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent-green); box-shadow: 0 0 0 3px rgba(122, 193, 67, 0.1); }
.contact-form .btn { width: 100%; margin-top: 20px; }
.contact-info { display: flex; flex-direction: column; justify-content: space-around; }
.info-item { margin-bottom: 40px; }
.info-label { font-size: 11px; text-transform: uppercase; color: var(--accent-green); font-weight: 800; letter-spacing: 2px; margin-bottom: 12px; display: block; }
.info-item p { color: var(--text-light); line-height: 1.8; font-size: 15px; }

.footer { background: var(--navy-primary); color: var(--text-light); padding: 60px 0 20px; border-top: 1px solid var(--border-color); }
.footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; margin-bottom: 40px; max-width: 1280px; margin-left: auto; margin-right: auto; padding: 0 24px; }
.footer-section h4 { color: var(--accent-green); margin-bottom: 16px; font-size: 14px; text-transform: uppercase; letter-spacing: 1px; }
.footer-section p { opacity: 0.8; font-size: 14px; line-height: 1.7; color: var(--text-muted); }
.footer-section ul { list-style: none; }
.footer-section ul li { margin-bottom: 10px; }
.footer-section ul li a { color: var(--text-muted); font-size: 14px; transition: var(--transition); }
.footer-section ul li a:hover { color: var(--accent-green); }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid var(--border-color); font-size: 12px; color: var(--text-subtle); max-width: 1280px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

.page-title { background: linear-gradient(135deg, var(--navy-primary), var(--navy-secondary)); color: var(--text-white); padding: 100px 0; text-align: left; position: relative; overflow: hidden; }
.page-title::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background-image: linear-gradient(to right, rgba(122, 193, 67, 0.05) 1px, transparent 1px), linear-gradient(to bottom, rgba(122, 193, 67, 0.05) 1px, transparent 1px); background-size: 60px 60px; pointer-events: none; }
.page-title h1 { color: var(--accent-green); margin-bottom: 12px; position: relative; z-index: 2; }
.page-title p { font-size: 18px; opacity: 0.9; position: relative; z-index: 2; color: var(--text-light); }

.portfolio-section { background: var(--bg-primary); }
.portfolio-gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; margin-bottom: 80px; }
.portfolio-card { border-radius: 3px; overflow: hidden; border: 1px solid var(--border-color); transition: var(--transition); }
.portfolio-card:hover { transform: translateY(-8px); border-color: var(--accent-green); box-shadow: 0 0 20px rgba(122, 193, 67, 0.2); }
.portfolio-image { width: 100%; height: 280px; background: linear-gradient(135deg, var(--navy-secondary), var(--navy-tertiary)); display: flex; align-items: center; justify-content: center; color: var(--text-subtle); overflow: hidden; position: relative; border-bottom: 1px solid var(--border-color); }
.portfolio-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.portfolio-card:hover .portfolio-image img { transform: scale(1.08); }
.portfolio-content { padding: 28px; background: rgba(26, 35, 50, 0.3); }
.case-standard { display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: 1.5px; text-transform: uppercase; color: var(--accent-green); border: 1px solid var(--border-accent); border-radius: 3px; padding: 4px 10px; margin-bottom: 14px; }
.portfolio-content h3 { color: var(--text-white); margin-bottom: 12px; font-size: 18px; }
.portfolio-content p { color: var(--text-muted); font-size: 14px; line-height: 1.7; margin-bottom: 16px; }
.project-meta { display: flex; gap: 12px; padding-top: 16px; border-top: 1px solid var(--border-color); font-size: 11px; color: var(--text-subtle); }
.meta-item { display: flex; align-items: center; gap: 4px; }

.about-section { background: var(--bg-primary); }
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-bottom: 100px; }
.about-text h2 { margin-bottom: 24px; position: relative; display: inline-block; padding-bottom: 16px; border-bottom: 3px solid var(--accent-green); }
.about-text p { color: var(--text-muted); margin-bottom: 20px; line-height: 1.8; }
.about-image { border-radius: 3px; overflow: hidden; height: 400px; background: linear-gradient(135deg, var(--navy-secondary), var(--navy-tertiary)); display: flex; align-items: center; justify-content: center; color: var(--text-subtle); border: 1px solid var(--border-color); }
.about-image img { width: 100%; height: 100%; object-fit: cover; }
.values-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 32px; margin-top: 60px; }
.value-card { padding: 40px; background: transparent; border: 1px solid var(--border-color); border-radius: 3px; border-left: 3px solid var(--accent-green); transition: var(--transition); }
.value-card:hover { border-color: var(--accent-green); box-shadow: 0 0 20px rgba(122, 193, 67, 0.15); }
.value-icon { font-size: 32px; margin-bottom: 16px; }
.value-card h3 { color: var(--text-white); margin-bottom: 12px; font-size: 18px; }
.value-card p { font-size: 14px; color: var(--text-muted); margin: 0; }

@media (max-width: 768px) {
    h1 { font-size: 42px; } h2 { font-size: 32px; }
    .nav-links { gap: 20px; }
    section { padding: 60px 0; }
    .hero { padding: 80px 0; min-height: auto; }
    .hero h1 { font-size: 42px; }
    .two-column, .contact-wrapper, .about-intro { grid-template-columns: 1fr; gap: 40px; }
    .feature-highlight { grid-template-columns: 1fr; }
    .stat { border-right: none; border-bottom: 1px solid var(--border-color); padding-bottom: 20px; }
    .stat:last-child { border-bottom: none; }
}
@media (max-width: 480px) {
    .nav-links { display: none; }
    .menu-toggle { display: flex; }
    h1 { font-size: 32px; } h2 { font-size: 24px; }
    .hero h1 { font-size: 32px; }
    .btn { padding: 12px 24px; font-size: 12px; }
    .services-grid, .portfolio-gallery { grid-template-columns: 1fr; }
    section { padding: 40px 0; }
    .service-card { padding: 24px; }
    .contact-form { padding: 24px; }
}

/* ===== Refinements ===== */
.portfolio-image.dual { display: flex; gap: 2px; }
.portfolio-image.dual img { width: 50%; height: 100%; object-fit: cover; }
.eyebrow { display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; color: var(--accent-green); margin-bottom: 16px; }
.story { background: var(--bg-secondary); }
.story-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: center; max-width: 1200px; margin: 0 auto; }
.story-photo { border: 1px solid var(--border-color); border-radius: 4px; overflow: hidden; line-height: 0; }
.story-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.story-text h2 { margin-bottom: 22px; }
.story-text p { color: var(--text-muted); margin-bottom: 18px; }
.values-modern { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--border-color); border-left: 1px solid var(--border-color); margin-top: 60px; }
.value-block { padding: 40px 36px; border-right: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); transition: var(--transition); }
.value-block:hover { background: rgba(122, 193, 67, 0.04); }
.value-num { font-size: 15px; font-weight: 800; letter-spacing: 2px; color: var(--accent-green); display: block; margin-bottom: 18px; }
.value-block h3 { font-size: 19px; color: var(--text-white); margin-bottom: 12px; }
.value-block p { font-size: 14px; color: var(--text-muted); margin: 0; line-height: 1.7; }
@media (max-width: 900px) { .story-grid { grid-template-columns: 1fr; gap: 36px; } .values-modern { grid-template-columns: 1fr; } }
.contact-map { margin-top: 60px; max-width: 1100px; margin-left: auto; margin-right: auto; border: 1px solid var(--border-color); border-radius: 4px; overflow: hidden; line-height: 0; }
.contact-map iframe { display: block; width: 100%; filter: invert(1) hue-rotate(180deg) brightness(0.92) contrast(0.9) saturate(0.85); }
.service-icon { width: 52px; height: 52px; border: 1px solid var(--border-accent); border-radius: 6px; display: flex; align-items: center; justify-content: center; margin-bottom: 22px; background: rgba(122, 193, 67, 0.06); }
.service-icon svg { width: 26px; height: 26px; stroke: var(--accent-green); fill: none; stroke-width: 1.8; }
.media-split { background: var(--bg-secondary); }
.media-split .split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; max-width: 1200px; margin: 0 auto; }
.media-split .split-photo { height: 420px; border-radius: 4px; overflow: hidden; border: 1px solid var(--border-color); position: relative; }
.media-split .split-photo::after { content: ''; position: absolute; inset: 0; background: linear-gradient(160deg, transparent 55%, rgba(0,5,61,0.55) 100%); }
.media-split .split-photo img { width: 100%; height: 100%; object-fit: cover; }
.media-split .split-text h2 { margin-bottom: 22px; }
.media-split .split-text p { color: var(--text-muted); margin-bottom: 18px; }
.project-strip { background: var(--bg-primary); padding-top: 0; }
.strip-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.strip-item { position: relative; height: 300px; border-radius: 4px; overflow: hidden; border: 1px solid var(--border-color); }
.strip-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.strip-item:hover img { transform: scale(1.06); }
.strip-item span { position: absolute; left: 0; bottom: 0; right: 0; padding: 18px; background: linear-gradient(transparent, rgba(0,5,61,0.92)); color: var(--text-white); font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
.case-outcome { display: flex; gap: 8px; align-items: baseline; margin: 16px 0 4px; font-size: 13px; color: var(--text-light); }
.case-outcome strong { color: var(--accent-green); text-transform: uppercase; letter-spacing: 1px; font-size: 11px; white-space: nowrap; }
.case-graph { margin-top: 18px; padding: 14px; border: 1px solid var(--border-color); border-radius: 4px; background: rgba(122, 193, 67, 0.04); }
.case-graph-label { font-size: 10px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-subtle); margin-bottom: 8px; }
.case-graph svg { width: 100%; height: 64px; display: block; }
@media (max-width: 768px) { .media-split .split-grid { grid-template-columns: 1fr; gap: 36px; } .strip-grid { grid-template-columns: 1fr; } .hero-watermark { display: none; } }