/* ServiceSmart — Static Landing | Pure HTML/CSS/JS */

:root {
  --bg: #0b0f14;
  --surface: #141a22;
  --surface2: #1a222d;
  --text: #e6edf5;
  --text-muted: #8b9cb3;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-soft: rgba(59, 130, 246, 0.15);
  --border: #2d3847;
  --radius: 12px;
  --radius-lg: 20px;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-display: 'Outfit', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 20, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color 0.2s;
}

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

.login-btn {
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #fff !important;
  border-radius: 8px;
  font-weight: 600;
}

.login-btn:hover {
  background: var(--accent-hover);
}

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

.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.25s, opacity 0.25s;
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 1.5rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    gap: 1rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.25s, opacity 0.25s, visibility 0.25s;
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .menu-toggle {
    display: flex;
  }

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

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

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

/* Hero */
.hero {
  padding: 4.5rem 0 5rem;
  text-align: center;
}

.hero-inner {
  max-width: 720px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
  color: var(--text);
}

.hero-tagline {
  font-size: clamp(1.15rem, 2.5vw, 1.4rem);
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 1rem;
}

.hero-desc {
  color: var(--text-muted);
  font-size: 1.0625rem;
  margin: 0 0 2rem;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  border-radius: 10px;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

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

.btn-secondary:hover {
  background: var(--surface2);
  border-color: var(--text-muted);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  text-align: center;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin: 0 0 2.5rem;
  font-size: 1.0625rem;
}

/* Features grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  margin: 0 0 0.5rem;
}

.feature-card p {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.9375rem;
}

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

.business-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.business-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  margin: 0 0 0.5rem;
}

.business-card p {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.9375rem;
}

/* City platform */
.city-content,
.tenant-content,
.subscription-content,
.ai-content {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.city-content p,
.tenant-content p,
.subscription-content p,
.ai-content p {
  color: var(--text-muted);
  margin: 0 0 1rem;
}

.city-list,
.sub-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.city-list li,
.sub-list li {
  padding: 0.5rem 1rem;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.9375rem;
}

/* CTA */
.cta {
  padding: 5rem 0;
}

.cta-inner {
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
}

.cta-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 0.5rem;
}

.cta-text {
  color: var(--text-muted);
  margin: 0 0 1.5rem;
}

/* Footer */
.footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  margin: 0 0 0.25rem;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: 0 0 1rem;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.8125rem;
  margin: 0;
}