/* ============================================================
   FORCE ONE ELECTRONICS - Main Stylesheet
   ============================================================ */

/* --- CSS Variables --- */
:root {
  --navy-900: #060f1e;
  --navy-800: #0a1a33;
  --navy-700: #0f2447;
  --navy-600: #152e5a;
  --blue-600: #0055b8;
  --blue-500: #0066d6;
  --blue-400: #1a7ae6;
  --blue-300: #4d94f0;
  --blue-100: #d6e6fa;
  --blue-50: #eef4fc;
  --gold-500: #c8923a;
  --gold-400: #d4a34a;
  --gold-300: #e0b860;
  --gold-100: #faf3e4;
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50: #f9fafb;
  --white: #ffffff;

  --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', 'Monaco', monospace;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.10), 0 4px 10px rgba(0,0,0,0.06);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.15), 0 8px 20px rgba(0,0,0,0.08);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  --max-width: 1200px;
  --nav-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-800);
  background: var(--white);
  overflow-x: hidden;
}

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

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--navy-900);
}

h1 { font-size: clamp(2.5rem, 5vw, 3.8rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 2.8rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-500);
  margin-bottom: 16px;
  position: relative;
  padding-left: 40px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 2px;
  background: var(--blue-500);
}

.section-title {
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-500);
  max-width: 600px;
  line-height: 1.7;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--blue-500);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(0, 102, 214, 0.35);
}

.btn-primary:hover {
  background: var(--blue-600);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 102, 214, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.3);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.6);
}

.btn-outline-dark {
  background: transparent;
  color: var(--navy-800);
  border-color: var(--gray-300);
}

.btn-outline-dark:hover {
  background: var(--navy-800);
  color: var(--white);
  border-color: var(--navy-800);
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--transition-base);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(6, 15, 30, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--white);
  letter-spacing: -0.01em;
}

.nav-logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.nav-logo-icon::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: rgba(255,255,255,0.1);
  transform: rotate(45deg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--blue-400);
  transition: width var(--transition-base);
}

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

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

.nav-cta {
  padding: 10px 24px;
  background: var(--blue-500);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-base);
}

.nav-cta:hover {
  background: var(--blue-400);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 102, 214, 0.4);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition-base);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, var(--navy-900) 0%, var(--navy-800) 30%, var(--navy-700) 60%, var(--navy-600) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,102,214,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,146,58,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image:
    linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--blue-400);
  border-radius: 50%;
  animation: floatUp 6s infinite ease-in;
  opacity: 0;
}

@keyframes floatUp {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 750px;
  padding: 120px 0 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
  font-weight: 500;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue-400);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  color: var(--white);
  margin-bottom: 24px;
  font-weight: 800;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--blue-400), var(--blue-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 40px;
  max-width: 550px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 72px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.hero-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
}

.hero-stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
  margin-top: 4px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* --- About Section --- */
.about {
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-card {
  background: var(--navy-800);
  border-radius: var(--radius-lg);
  padding: 48px;
  color: var(--white);
  position: relative;
  z-index: 2;
}

.about-card h3 {
  color: var(--white);
  margin-bottom: 16px;
}

.about-card p {
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  line-height: 1.8;
}

.about-card-accent {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--blue-500);
  border-radius: var(--radius-lg);
  z-index: 1;
  pointer-events: none;
}

.about-features {
  display: grid;
  gap: 28px;
  margin-top: 32px;
}

.about-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.about-feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--blue-50);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--blue-500);
}

.about-feature-text h4 {
  margin-bottom: 4px;
  font-size: 1rem;
}

.about-feature-text p {
  color: var(--gray-500);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* --- Services --- */
.services {
  background: var(--gray-50);
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-500), var(--blue-400));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 56px;
  height: 56px;
  background: var(--blue-50);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.4rem;
}

.service-card h3 {
  margin-bottom: 12px;
  font-size: 1.15rem;
}

.service-card p {
  color: var(--gray-500);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* --- Industries --- */
.industries {
  background: var(--white);
}

.industries-header {
  text-align: center;
  margin-bottom: 56px;
}

.industries-header .section-subtitle {
  margin: 0 auto;
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.industry-card {
  background: var(--gray-50);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

.industry-card:hover {
  background: var(--white);
  border-color: var(--gray-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.industry-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.industry-card h4 {
  margin-bottom: 8px;
  font-size: 1rem;
}

.industry-card p {
  color: var(--gray-500);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--navy-800), var(--navy-700));
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -40%;
  left: -20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,102,214,0.12) 0%, transparent 70%);
}

.cta-banner .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
}

.cta-banner h2 {
  color: var(--white);
  margin-bottom: 12px;
}

.cta-banner p {
  color: rgba(255,255,255,0.55);
  font-size: 1.05rem;
}

/* --- Contact Section --- */
.contact {
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  margin-top: 56px;
}

.contact-info h3 {
  margin-bottom: 24px;
}

.contact-details {
  display: grid;
  gap: 24px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-item-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--blue-50);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.contact-item-text h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.contact-item-text p,
.contact-item-text a {
  color: var(--gray-500);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.contact-item-text a:hover {
  color: var(--blue-500);
}

.contact-form {
  background: var(--gray-50);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(0,102,214,0.1);
}

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

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--blue-500);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
}

.form-submit:hover {
  background: var(--blue-600);
  box-shadow: 0 4px 16px rgba(0,102,214,0.35);
}

/* --- Footer --- */
.footer {
  background: var(--navy-900);
  color: rgba(255,255,255,0.55);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand p {
  margin-top: 20px;
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.9rem;
  margin-bottom: 24px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-col ul {
  display: grid;
  gap: 12px;
}

.footer-col a {
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 0.85rem;
}

.footer-bottom a {
  transition: color var(--transition-fast);
}

.footer-bottom a:hover {
  color: var(--white);
}

/* --- Page Header (subpages) --- */
.page-header {
  background: linear-gradient(160deg, var(--navy-900) 0%, var(--navy-800) 50%, var(--navy-700) 100%);
  padding: 140px 0 72px;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,102,214,0.08) 0%, transparent 70%);
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  color: var(--white);
  margin-bottom: 16px;
}

.page-header p {
  color: rgba(255,255,255,0.55);
  font-size: 1.05rem;
  max-width: 500px;
}

/* --- Legal Content --- */
.legal-content {
  padding: 72px 0 100px;
}

.legal-content .container {
  max-width: 800px;
}

.legal-content h2 {
  font-size: 1.5rem;
  margin-top: 48px;
  margin-bottom: 16px;
  color: var(--navy-800);
}

.legal-content h3 {
  font-size: 1.15rem;
  margin-top: 32px;
  margin-bottom: 12px;
  color: var(--gray-700);
}

.legal-content p {
  margin-bottom: 16px;
  color: var(--gray-600);
  line-height: 1.8;
}

.legal-content ul {
  margin-bottom: 20px;
  padding-left: 24px;
}

.legal-content ul li {
  list-style-type: disc;
  color: var(--gray-600);
  margin-bottom: 8px;
  line-height: 1.7;
  padding-left: 4px;
}

.legal-content .last-updated {
  font-size: 0.9rem;
  color: var(--gray-400);
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-200);
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .cta-banner .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(6, 15, 30, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 32px 24px;
    gap: 24px;
    border-top: 1px solid rgba(255,255,255,0.06);
  }

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

  .nav-toggle {
    display: flex;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .section {
    padding: 64px 0;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
  }
  .hero-stat-value {
    font-size: 1.5rem;
  }
  .industries-grid {
    grid-template-columns: 1fr;
  }
}