body {
  /* assumes your base variables already exist, this just ensures fallbacks */
  --bg: #000;
  --color: #fff;
  --header-bg: rgba(128, 128, 128, 0.258);
  --mainContent-bg: #1f1e1e;
  --navBtn-bg: #222;
  --primary: #027ab2;
  --secondary: #4caf50;
  --accent: #ff6b35;
  --card-bg: #111;
  --border: #333;
  --form-bg: #111;
  --input-bg: #1c1c1c;
  --input-color: #ffffff;
  --chevron-color: #c5c5c5;

  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --radius: 8px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;

  margin: 0;
  background: var(--bg);
  color: var(--color);
  font-family: "Inter", sans-serif, system-ui;
}
html {
  scroll-behavior: smooth;
  box-sizing: border-box;
}

/* HEADER */

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-xl);
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.9),
    rgba(0, 0, 0, 0.7)
  );
  backdrop-filter: blur(10px);
}

.logo {
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: 0;
}
.logo span {
  color: var(--primary);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

.nav a:hover {
  color: #fff;
}

.nav-login {
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--navBtn-bg);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.9rem;
  cursor: pointer;
}

.theme-toggle {
  margin-left: var(--space-sm);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
  color: #fff;
  cursor: pointer;
}

/* MOBILE NAV */

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
}

.mobile-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 260px;
  height: 100vh;
  background: var(--card-bg);
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.6);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transform: translateX(100%);
  transition: transform 0.25s ease;
  z-index: 30;
}

.mobile-sidebar.open {
  transform: translateX(0);
}

.mobile-sidebar a {
  text-decoration: none;
  color: #fff;
  font-size: 0.95rem;
}

.close-sidebar {
  align-self: flex-end;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
}

/* MAIN LAYOUT */

main {
  background: radial-gradient(
    circle at top left,
    #050505,
    var(--mainContent-bg)
  );
}

/* HERO */

.hero {
  padding: var(--space-xl) var(--space-xl) var(--space-xl);
  background: var(--bg);
  height: 100vh;
}

.hero-inner {
  display: flex;
  gap: var(--space-xl);
  align-items: flex-start;
  height: 100%;
}

.hero-content {
  flex: 1;
  max-width: 520px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(2, 122, 178, 0.12);
  color: var(--primary);
  font-size: 0.8rem;
  margin-bottom: var(--space-sm);
}

.hero h1 {
  font-weight: 600;
  font-size: 2.4rem;
  margin: 0 0 var(--space-md);
}

.hero-text {
  margin: 0 0 var(--space-lg);
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 0.9rem;
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.hero-pill {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.8);
}

/* HERO MOCKUP */

.hero-illustration {
  flex: 1;
  width: 100%;
  display: flex;
  justify-content: center;
}

.mock-shell {
  width: 100%;
  max-width: 600px;
  height: 400px;
  max-height: 90%;
  border-radius: 16px;
  background: var(--card-bg);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  position: relative;
  overflow: hidden;
}

.mock-sidebar {
  width: 120px;
  background: #050505;
  padding: var(--space-md) var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mock-logo {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  margin-bottom: var(--space-md);
}

.mock-nav-item {
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.mock-nav-item.active {
  background: rgba(2, 122, 178, 0.7);
}

.mock-nav-footer {
  margin-top: auto;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.mock-main {
  flex: 1;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mock-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mock-title {
  width: 120px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.mock-user {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
}

.mock-stats-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-sm);
}

.mock-stat-card {
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
}

.mock-section-title {
  width: 140px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.mock-workspace-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mock-workspace-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
}

.mock-workspace-main {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mock-workspace-name {
  width: 120px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
}

.mock-workspace-meta {
  width: 80px;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.mock-workspace-actions {
  display: flex;
  gap: 6px;
}

.mock-chip {
  width: 48px;
  height: 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.mock-chip.primary {
  background: rgba(2, 122, 178, 0.8);
}

/* SECTIONS */

.section {
  display: flex;
  justify-content: center;
  padding: var(--space-xl) var(--space-xl);
  background: var(--mainContent-bg);
}

.section:nth-of-type(odd) {
  background: #181818;
}

.section-inner {
  max-width: 1120px;
}

.section h2 {
  font-weight: 600;
  font-size: 1.8rem;
  margin: 0 0 var(--space-md);
}

.section-lead {
  max-width: 640px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-lg);
}

/* FEATURES */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
}

.feature-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: var(--space-md);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.feature-card h3 {
  font-weight: 600;
  font-size: 1rem;
  margin: 0 0 var(--space-sm);
}

.feature-card p {
  margin: 0;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.8);
}

/* WHAT */

.what-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
}

.what-item {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: var(--space-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.what-item h3 {
  font-size: 1rem;
  margin: 0 0 var(--space-sm);
}

.what-item p {
  margin: 0;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.8);
}

/* HOW */

.how-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
}

.how-step {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: var(--space-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: rgba(2, 122, 178, 0.16);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.how-step h3 {
  margin: 0 0 var(--space-sm);
  font-size: 1rem;
}

.how-step p {
  margin: 0;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.8);
}

/* WHO */

.who-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
}

.who-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: var(--space-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.who-card h3 {
  margin: 0 0 var(--space-sm);
  font-size: 1rem;
}

.who-card p {
  margin: 0;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.8);
}

/* EXAMPLE */

.example-inner {
  display: flex;
  gap: var(--space-xl);
  align-items: flex-start;
}

.example-text {
  flex: 1.2;
}

.example-text p {
  margin: 0;
  max-width: 560px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.96rem;
}

.example-card {
  flex: 1;
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: var(--space-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.example-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  font-size: 0.9rem;
}

.example-label {
  color: rgba(255, 255, 255, 0.6);
}

.example-value {
  color: rgba(255, 255, 255, 0.9);
}

/* FOOTER */

.footer {
  padding: var(--space-md) var(--space-xl);
  text-align: center;
  background: #050505;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
}

/* RESPONSIVE */

@media (max-width: 1024px) {
  .hero-inner {
    flex-direction: column;
  }

  .hero-content {
    max-width: none;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .what-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .how-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .who-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .example-inner {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .header {
    padding: var(--space-md) var(--space-md);
  }

  .desktop-nav {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero {
    padding: var(--space-xl) var(--space-md);
  }

  .section {
    padding: var(--space-xl) var(--space-md);
  }

  .feature-grid,
  .what-grid,
  .how-steps,
  .who-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}