/* ============================================
   SiteCommand — Construction PM SaaS
   Industrial & Rugged Theme
   ============================================ */

:root {
  --bg-dark: #1a1a1a;
  --bg-section: #242424;
  --bg-card: #2d2d2d;
  --accent: #d4871c;
  --accent-hover: #e69a2e;
  --accent-glow: rgba(212, 135, 28, 0.15);
  --text-primary: #f5f5f5;
  --text-muted: #a0a0a0;
  --text-dim: #666;
  --border: #3a3a3a;
  --radius: 8px;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
}

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

/* ---- NAV ---- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 26, 26, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}

.nav.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(212, 135, 28, 0.3);
}

.btn-nav {
  padding: 10px 22px;
  font-size: 0.85rem;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
}

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

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s;
}

/* ---- HERO ---- */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(255, 255, 255, 0.015) 2px,
      rgba(255, 255, 255, 0.015) 4px
    ),
    linear-gradient(135deg, #1a1a1a 0%, #2a2218 50%, #1a1a1a 100%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 120px 24px 80px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid rgba(212, 135, 28, 0.3);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.hero h1 .highlight {
  color: var(--accent);
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-grid-bg {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--bg-section), transparent);
  z-index: 1;
}

/* ---- SECTION COMMON ---- */

section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ---- FEATURES ---- */

.features {
  background: var(--bg-section);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all 0.3s;
}

.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: var(--accent-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ---- ROLES ---- */

.roles {
  background: var(--bg-dark);
}

.roles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.role-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: all 0.3s;
}

.role-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.role-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-glow);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.role-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.role-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.role-benefits {
  list-style: none;
}

.role-benefits li {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}

.role-benefits li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* ---- HOW IT WORKS ---- */

.how-it-works {
  background: var(--bg-section);
}

.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  max-width: 960px;
  margin: 0 auto;
}

.step {
  text-align: center;
  flex: 1;
  padding: 0 24px;
}

.step-number {
  width: 64px;
  height: 64px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 900;
  margin: 0 auto 20px;
  box-shadow: 0 4px 20px rgba(212, 135, 28, 0.3);
}

.step-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.step-connector {
  width: 80px;
  min-width: 80px;
  height: 2px;
  background: linear-gradient(to right, var(--accent), var(--border));
  margin-top: -44px;
}

/* ---- ADOPTION ---- */

.adoption {
  background: var(--bg-dark);
}

.adoption-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.adoption-content h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
  margin-top: 12px;
}

.adoption-content p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

.adoption-points {
  list-style: none;
}

.adoption-points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.adoption-points li svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.adoption-points li strong {
  color: var(--text-primary);
}

.adoption-visual {
  display: flex;
  justify-content: center;
}

.phone-mockup {
  width: 260px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 28px;
  padding: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.phone-screen {
  background: var(--bg-dark);
  border-radius: 16px;
  padding: 24px 20px;
}

.phone-header {
  font-size: 1rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 24px;
  text-align: center;
}

.phone-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-card);
  border-radius: 10px;
  margin-bottom: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.phone-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.phone-dot.green { background: #2a7d2a; }
.phone-dot.blue { background: #2a6ab5; }
.phone-dot.amber { background: var(--accent); }

/* ---- STATS ---- */

.stats {
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212, 135, 28, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  padding: 32px 16px;
}

.stat-number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-suffix {
  font-size: 0.6em;
  font-weight: 700;
}

.stat-label {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ---- CASE STUDY ---- */

.case-study {
  background: var(--bg-section);
}

.case-study-card {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 48px;
  position: relative;
}

.case-study-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-glow);
  border: 1px solid rgba(212, 135, 28, 0.3);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
}

.case-study-card blockquote {
  font-size: 1.3rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 28px;
  font-style: italic;
}

.case-study-attribution {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

.case-study-avatar {
  width: 48px;
  height: 48px;
  background: var(--border);
  border-radius: 50%;
  flex-shrink: 0;
}

.case-study-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.case-study-title {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.case-study-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.case-study-stat {
  text-align: center;
}

.case-study-stat-number {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -0.5px;
}

.case-study-stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ---- PRICING ---- */

.pricing {
  background: var(--bg-section);
}

.pricing-note-top {
  text-align: center;
  margin-bottom: 40px;
}

.pricing-note-top p {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.pricing-note-top strong {
  color: var(--accent);
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 48px 36px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.pricing-card.featured {
  border: 2px solid var(--accent);
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--border);
}

.pricing-card.featured::before {
  background: var(--accent);
}

.pricing-badge {
  position: absolute;
  top: 16px;
  right: -32px;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 40px;
  transform: rotate(45deg);
}

.pricing-card .plan-name {
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.pricing-card .plan-target {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.pricing-card .price {
  font-size: 3.5rem;
  font-weight: 900;
  letter-spacing: -2px;
  margin-bottom: 4px;
}

.pricing-card .price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0;
}

.pricing-card .price-note {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 36px;
}

.pricing-features li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 12px;
}

.pricing-features li::before {
  content: '';
  width: 20px;
  height: 20px;
  min-width: 20px;
  background: var(--accent-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23d4871c' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.pricing-card .btn {
  width: 100%;
}

.pricing-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.pricing-guarantee svg {
  flex-shrink: 0;
}

/* ---- FAQ ---- */

.faq {
  background: var(--bg-section);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  gap: 16px;
}

.faq-question svg {
  flex-shrink: 0;
  color: var(--text-dim);
  transition: transform 0.3s;
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
}

.faq-question:hover {
  color: var(--accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---- CONTACT ---- */

.contact {
  background: var(--bg-dark);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.contact-info p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--text-muted);
}

.contact-detail svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

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

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

.contact-form .btn {
  width: 100%;
}

/* ---- FOOTER ---- */

.footer {
  background: var(--bg-section);
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

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

.footer-logo {
  font-size: 1.1rem;
  font-weight: 800;
}

.footer-logo span {
  color: var(--accent);
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-dim);
  transition: color 0.2s;
}

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

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ---- RESPONSIVE ---- */

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .roles-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 26, 26, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
  }

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

  .hamburger {
    display: flex;
  }

  .hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .hamburger.open span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

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

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

  .steps {
    flex-direction: column;
    gap: 0;
  }

  .step {
    padding: 0;
  }

  .step-connector {
    width: 2px;
    min-width: 2px;
    height: 40px;
    margin-top: 0;
    background: linear-gradient(to bottom, var(--accent), var(--border));
  }

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

  .case-study-card {
    padding: 32px 24px;
  }

  .case-study-card blockquote {
    font-size: 1.1rem;
  }

  .case-study-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

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

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

  .pricing-cards {
    grid-template-columns: 1fr;
    max-width: 480px;
  }

  .pricing-card {
    padding: 36px 24px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  section {
    padding: 72px 0;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .hero-content {
    padding: 100px 16px 60px;
  }
}