/* website/style.css — TurfOps.run marketing site */

/* ------------------------------------------------------------------ */
/* Custom Properties                                                   */
/* ------------------------------------------------------------------ */
:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #161616;
  --bg-card-hover: #1a1a1a;

  --green-600: #16a34a;
  --green-500: #22c55e;
  --green-400: #4ade80;
  --green-300: #86efac;

  --text-primary: #f0f0f0;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;

  --border: #222222;
  --border-hover: #333333;

  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;

  --max-width: 1200px;
  --section-pad: 6rem 1.5rem;
  --radius: 12px;
  --radius-sm: 8px;

  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--green-500);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--green-400);
}

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

/* ------------------------------------------------------------------ */
/* Utilities                                                           */
/* ------------------------------------------------------------------ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-500);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 3rem;
}

/* ------------------------------------------------------------------ */
/* Scroll Reveal                                                       */
/* ------------------------------------------------------------------ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.reveal-stagger > .reveal:nth-child(1) { transition-delay: 0s; }
.reveal-stagger > .reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger > .reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal-stagger > .reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal-stagger > .reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal-stagger > .reveal:nth-child(6) { transition-delay: 0.5s; }

/* ------------------------------------------------------------------ */
/* Nav                                                                 */
/* ------------------------------------------------------------------ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary);
}

.nav-brand svg {
  width: 28px;
  height: 28px;
}

.nav-brand em {
  color: var(--green-500);
  font-style: normal;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

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

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.2rem;
  background: var(--green-600);
  color: #fff !important;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  transition: background var(--transition);
}

.nav-cta:hover {
  background: var(--green-500);
  color: #fff !important;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(12px);
    padding: 1.5rem;
    gap: 1.25rem;
    border-bottom: 1px solid var(--border);
  }

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

  .nav-toggle {
    display: block;
  }
}

/* ------------------------------------------------------------------ */
/* Hero                                                                */
/* ------------------------------------------------------------------ */
.hero {
  position: relative;
  padding: 10rem 1.5rem 6rem;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(22, 163, 74, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(22, 163, 74, 0.1);
  border: 1px solid rgba(22, 163, 74, 0.25);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--green-400);
  margin-bottom: 2rem;
}

.hero-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green-500);
}

.hero h1 {
  font-size: clamp(2.25rem, 6vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--green-500), var(--green-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--green-600);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.btn-primary:hover {
  background: var(--green-500);
  color: #fff;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.btn-secondary:hover {
  border-color: var(--green-600);
  background: rgba(22, 163, 74, 0.05);
  color: var(--text-primary);
}

/* ------------------------------------------------------------------ */
/* Features                                                            */
/* ------------------------------------------------------------------ */
.features {
  padding: var(--section-pad);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.feature-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(22, 163, 74, 0.1);
  border-radius: 10px;
  margin-bottom: 1.25rem;
  font-size: 1.35rem;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

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

@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* ------------------------------------------------------------------ */
/* How It Works                                                        */
/* ------------------------------------------------------------------ */
.how-it-works {
  padding: var(--section-pad);
  background: var(--bg-secondary);
}

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

/* Connector line */
.steps::before {
  content: "";
  position: absolute;
  top: 36px;
  left: calc(16.67% + 24px);
  right: calc(16.67% + 24px);
  height: 2px;
  background: linear-gradient(90deg, var(--green-600), var(--green-500), var(--green-600));
  opacity: 0.4;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--green-600);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.step h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.step p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 300px;
  margin: 0 auto;
}

@media (max-width: 700px) {
  .steps {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .steps::before {
    display: none;
  }
}

/* ------------------------------------------------------------------ */
/* Platform                                                            */
/* ------------------------------------------------------------------ */
.platform {
  padding: var(--section-pad);
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.platform-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}

.platform-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.platform-icon {
  font-size: 2.5rem;
  margin-bottom: 1.25rem;
}

.platform-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.platform-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 700px) {
  .platform-grid {
    grid-template-columns: 1fr;
  }
}

/* ------------------------------------------------------------------ */
/* Technology                                                          */
/* ------------------------------------------------------------------ */
.technology {
  padding: var(--section-pad);
  background: var(--bg-secondary);
}

.tech-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: border-color var(--transition), color var(--transition);
}

.tech-badge:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.tech-badge svg {
  width: 18px;
  height: 18px;
}

/* ------------------------------------------------------------------ */
/* About                                                               */
/* ------------------------------------------------------------------ */
.about {
  padding: var(--section-pad);
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-content > p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.about-content > p strong {
  color: var(--text-primary);
}

.about-topics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin: 2rem 0;
}

.about-topic {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
}

.about-topic h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--green-400);
  margin-bottom: 0.5rem;
}

.about-topic p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.about-disclaimer {
  font-size: 0.9rem !important;
  color: var(--text-muted) !important;
  font-style: italic;
  border-left: 3px solid var(--green-600);
  padding-left: 1rem;
  margin-top: 2rem !important;
}

@media (max-width: 900px) {
  .about-topics {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .about-topics {
    grid-template-columns: 1fr;
  }
}

/* ------------------------------------------------------------------ */
/* Footer                                                              */
/* ------------------------------------------------------------------ */
.footer {
  padding: 3rem 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.footer-brand svg {
  width: 24px;
  height: 24px;
}

.footer-brand em {
  color: var(--green-500);
  font-style: normal;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

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

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

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ------------------------------------------------------------------ */
/* Responsive Section Padding                                          */
/* ------------------------------------------------------------------ */
@media (max-width: 768px) {
  :root {
    --section-pad: 4rem 1.25rem;
  }

  .hero {
    padding: 8rem 1.25rem 4rem;
  }
}