/* ========================================
   ACP IOS LLC - Corporate Website Styles
   No Framework - Pure CSS/JS
   ======================================== */

/* CSS Variables */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: #16161f;
    --bg-glass: rgba(22, 22, 31, 0.85);
    --accent-cyan: #00d4ff;
    --accent-gold: #c0a062;
    --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #c0a062 100%);
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-primary: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

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

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

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

/* ========================================
   Layout Utilities
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

.divider {
    width: 60px;
    height: 3px;
    background: var(--accent-gradient);
    margin: 1.5rem auto;
    border-radius: 2px;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--bg-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.3);
}

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

.btn-secondary:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.05);
}

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

.btn-outline:hover {
    background: rgba(0, 212, 255, 0.1);
}

/* ========================================
   Cards
   ======================================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: rgba(0, 212, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: var(--accent-cyan);
}

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

.card p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

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

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--accent-gradient);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-weight: 900;
    font-size: 1rem;
}

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

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
}

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

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 70px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 10%;
    width: 400px;
    height: 400px;
    background: var(--accent-cyan);
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.08;
    animation: float 8s ease-in-out infinite;
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: 20%;
    right: 10%;
    width: 300px;
    height: 300px;
    background: var(--accent-gold);
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.06;
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-subtitle {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--accent-cyan);
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero h1 {
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero p {
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
    max-width: 550px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

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

.hero-stat .number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stat .label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ========================================
   Page Header (for inner pages)
   ======================================== */
.page-header {
    padding: 10rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background: var(--accent-cyan);
    border-radius: 50%;
    filter: blur(180px);
    opacity: 0.05;
}

.page-header h1 {
    position: relative;
    z-index: 1;
    margin-bottom: 0.5rem;
}

.page-header p {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.breadcrumb a:hover {
    color: var(--accent-cyan);
}

/* ========================================
   Grid Layouts
   ======================================== */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

/* ========================================
   Features / Services List
   ======================================== */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
}

.feature-item:hover {
    border-color: rgba(0, 212, 255, 0.2);
    transform: translateX(5px);
}

.feature-item .icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 10px;
    background: rgba(0, 212, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    font-size: 1.25rem;
}

.feature-item h4 {
    margin-bottom: 0.5rem;
}

.feature-item p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* ========================================
   Industries / Sectors
   ======================================== */
.sector-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.sector-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.sector-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.15);
}

.sector-card:hover::after {
    transform: scaleX(1);
}

.sector-card .sector-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background: rgba(192, 160, 98, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
}

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

.sector-card p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ========================================
   Team Section (Abstract)
   ======================================== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.team-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.team-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 212, 255, 0.2);
}

.team-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    font-weight: 700;
    color: var(--bg-primary);
}

.team-card h4 {
    margin-bottom: 0.25rem;
}

.team-card .role {
    color: var(--accent-cyan);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.team-card .bio {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

.team-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.stat-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
}

.stat-box .stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-box .stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========================================
   Contact Section
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
}

.contact-info-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-info-item .icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    border-radius: 12px;
    background: rgba(0, 212, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    font-size: 1.25rem;
}

.contact-info-item h4 {
    margin-bottom: 0.25rem;
}

.contact-info-item p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

.contact-info-item a {
    color: var(--accent-cyan);
}

.contact-info-item a:hover {
    text-decoration: underline;
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

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

/* ========================================
   Legal Pages (Privacy, Terms)
   ======================================== */
.legal-content {
    max-width: 900px;
    margin: 0 auto;
}

.legal-content.fade-in {
    opacity: 1;
    transform: none;
}

.legal-content .last-updated {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.legal-section {
    margin-bottom: 3rem;
}

.legal-section h3 {
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    display: inline-block;
}

.legal-section h4 {
    margin: 1.5rem 0 0.75rem;
    color: var(--accent-cyan);
}

.legal-section ul {
    list-style: disc;
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.legal-section ul li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.legal-section a {
    color: var(--accent-cyan);
    text-decoration: underline;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    margin: 1rem 0;
    font-size: 0.9rem;
    max-width: 300px;
}

.footer-brand .company-address {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-cyan);
    padding-left: 5px;
}

.footer-contact p {
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-contact a {
    color: var(--text-muted);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    margin-bottom: 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
}

.footer-legal a {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-legal a:hover {
    color: var(--accent-cyan);
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(192, 160, 98, 0.05) 100%);
    pointer-events: none;
}

.cta-box {
    position: relative;
    z-index: 1;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 4rem 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.cta-box h2 {
    margin-bottom: 1rem;
}

.cta-box p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* ========================================
   Animations
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    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; }

/* ========================================
   Particles Canvas
   ======================================== */
#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ========================================
   Mobile Menu
   ======================================== */
.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    z-index: 999;
    padding: 2rem;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-nav.active {
    display: flex;
}

.mobile-nav a {
    font-size: 1.25rem;
    font-weight: 600;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .hero-stats { gap: 1.5rem; }
    .section { padding: 4rem 0; }
    .page-header { padding: 8rem 0 3rem; }
    .form-row { grid-template-columns: 1fr; }
    .cta-box { padding: 2.5rem 1.5rem; }
}

@media (max-width: 480px) {
    .container { padding: 0 1.25rem; }
    .hero-buttons { flex-direction: column; }
    .hero-buttons .btn { width: 100%; justify-content: center; }
    .hero-stats { flex-direction: column; gap: 1.5rem; }
    .team-stats { grid-template-columns: 1fr; }
}