/* === Agent Upkeep — Full-Width Dark Hybrid === */

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

:root {
  --bg: #0a0a0a;
  --bg-terminal: #0d1117;
  --bg-surface: #111111;
  --text: #e0e0e0;
  --text-secondary: #999999;
  --text-dim: #555555;
  --text-terminal: #c9d1d9;
  --accent: #f59e0b;
  --accent-hover: #fbbf24;
  --accent-dim: rgba(245, 158, 11, 0.12);
  --border: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(245, 158, 11, 0.25);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'SF Mono', 'Fira Code', 'Fira Mono', 'Cascadia Code', Menlo, Consolas, monospace;
  --max-width: 720px;
  --max-width-wide: 1060px;
}

html {
  font-size: 17px;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-hover);
}

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

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 16px 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav-logo:hover {
  opacity: 0.9;
}

.nav-logo img {
  height: 32px;
  width: auto;
}

.nav-cta {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--bg) !important;
  background: var(--accent);
  padding: 8px 20px;
  border-radius: 6px;
  transition: background 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
}

/* --- Hero --- */
.hero {
  min-height: calc(100vh - 56px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 100px 24px 48px;
  text-align: center;
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  border: 1px solid var(--border-accent);
  background: var(--accent-dim);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 20px;
}

.hero-offer {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.hero-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.75;
  text-wrap: balance;
}

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
}

/* --- Button --- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  text-decoration: none;
}

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

.btn:active {
  transform: translateY(0);
}

.btn-outline {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, transform 0.15s;
  text-decoration: none;
}

.btn-outline:hover {
  border-color: var(--text-secondary);
  color: #fff;
  transform: translateY(-1px);
}

.btn-outline:active {
  transform: translateY(0);
}

/* --- Sections (full-bleed containers) --- */
.section {
  padding: 80px 24px;
}

.section > * {
  max-width: var(--max-width-wide);
  margin-inline: auto;
}

.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 12px;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 20px;
}

h3 {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: #fff;
}

/* --- Alternating section backgrounds --- */
#proof,
#services,
#who {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* --- Terminal / Proof --- */
.terminal {
  background: var(--bg-terminal);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 28px 28px 20px;
  margin-top: 32px;
  margin-bottom: 0;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.9;
  overflow-x: auto;
}

.terminal-cmd {
  color: var(--text-dim);
  margin-bottom: 16px;
}

.terminal-stats {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat {
  display: grid;
  grid-template-columns: 110px 40px 1fr;
  gap: 0 16px;
  align-items: baseline;
}

.stat-k {
  color: var(--text-dim);
  text-align: right;
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.stat-v {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
}

.stat-d {
  color: var(--text-terminal);
  font-size: 0.8rem;
}

.terminal-footer {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-dim);
  font-size: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 24px;
}

.proof-note {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 20px;
}

/* --- Gap --- */
.gap-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.gap-text:last-child {
  margin-bottom: 0;
}

/* --- Services --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.service {
  padding: 28px 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  transition: border-color 0.3s;
}

.service:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

.service-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.service h3 {
  margin: 8px 0 4px;
}

.service-meta {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 16px;
}

.service p:last-child {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --- For --- */
.for-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.for-callout {
  font-size: 1.15rem;
  font-weight: 600;
  color: #fff;
  margin: 24px 0;
}

.personas-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.persona {
  padding: 24px 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-surface);
  transition: border-color 0.3s;
}

.persona:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

.persona h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--accent);
}

.persona p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.for-closer {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-top: 36px;
}

/* --- Who --- */
#who h2 {
  margin-bottom: 8px;
}

.who-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.who-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.who-stat {
  text-align: center;
}

.who-stat-v {
  display: block;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.who-stat-k {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 6px;
}

.who-body {
  margin-top: 32px;
}

.who-bio {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 16px;
}

.who-bio:last-of-type {
  margin-bottom: 20px;
}

.who-trust {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-top: 32px;
  line-height: 1.7;
}

/* --- FAQ --- */
.faq-list {
  margin-top: 24px;
}

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

.faq-item summary {
  padding: 20px 0;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color 0.2s;
}

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

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text-dim);
  flex-shrink: 0;
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  content: '\2212';
}

.faq-item p,
.faq-answer {
  padding: 0 0 20px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-answer p {
  padding: 0;
  margin-bottom: 12px;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.faq-answer ul {
  list-style: none;
  padding: 0;
  margin: 8px 0 12px;
}

.faq-answer ul li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 4px 0 4px 20px;
  position: relative;
  line-height: 1.6;
}

.faq-answer ul li::before {
  content: '\2192';
  position: absolute;
  left: 0;
  color: var(--text-dim);
}

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

.contact-info {
  padding-top: 8px;
}

#contact h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  margin-bottom: 16px;
}

.contact-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-detail {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.contact-detail-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 2px;
}

.contact-form {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font);
  font-size: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.2s;
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}

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

.btn-full {
  width: 100%;
  text-align: center;
  margin-top: 8px;
}

/* --- Footer --- */
.footer {
  padding: 32px 24px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.75rem;
  border-top: 1px solid var(--border);
  letter-spacing: 0.02em;
}

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* --- Responsive --- */
@media (max-width: 768px) {
  html {
    font-size: 16px;
  }

  .hero {
    min-height: calc(100vh - 52px);
    min-height: calc(100svh - 52px);
    padding: 80px 20px 32px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    max-width: 300px;
  }

  .hero-actions .btn,
  .hero-actions .btn-outline {
    width: 100%;
    text-align: center;
  }

  .section {
    padding: 56px 20px;
  }

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

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

  .who-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 20px;
  }

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

  .contact-form {
    padding: 24px;
  }

  .terminal {
    padding: 20px 16px 16px;
    font-size: 0.75rem;
    border-left-width: 2px;
  }

  .stat {
    grid-template-columns: 90px 32px 1fr;
    gap: 0 8px;
  }

  .stat-k {
    font-size: 0.7rem;
  }

  .stat-v {
    font-size: 0.8rem;
  }

  .stat-d {
    font-size: 0.72rem;
  }

  .terminal-footer {
    flex-direction: column;
    gap: 2px;
    font-size: 0.7rem;
  }
}

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

  .stat {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 6px 0;
  }

  .stat-k {
    text-align: left;
    display: inline;
  }

  .stat-v {
    display: inline;
    margin-left: 8px;
  }

  .stat-d {
    display: block;
    font-size: 0.7rem;
    opacity: 0.7;
    padding-left: 0;
    margin-top: 1px;
  }
}