/* Loboratory landing — палитра под фон и крабов: оливковый, терракотовый */

:root {
  --aq-bg: #0f120f;
  --aq-bg-soft: #1a1f1a;
  --aq-surface: rgba(45, 55, 45, 0.65);
  --aq-surface-hover: rgba(55, 68, 55, 0.75);
  --aq-red: #c45c3e;
  --aq-red-dark: #a84a32;
  --aq-teal: #6b8a6b;
  --aq-teal-light: #8a9a7a;
  --aq-border: rgba(196, 92, 62, 0.3);
  --aq-border-teal: rgba(107, 138, 107, 0.4);
  --aq-text: #e8eaed;
  --aq-text-muted: rgba(232, 234, 237, 0.85);
  --aq-text-dim: rgba(232, 234, 237, 0.55);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--aq-bg) url('../assets/bg-landing.png') center center / cover no-repeat fixed;
  color: var(--aq-text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Кнопка «Назад» на странице документации */
.docs-back-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(90deg, var(--aq-red-dark) 0%, var(--aq-teal) 100%);
  border-radius: 8px;
  text-decoration: none;
  box-shadow: 0 2px 12px rgba(196, 92, 62, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}

.docs-back-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(196, 92, 62, 0.45);
}

/* Ссылки в углу: Docs и X (Twitter) */
.landing-corner-links {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.landing-corner-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--aq-text-muted);
  text-decoration: none;
  transition: color 0.2s, transform 0.2s;
}

.landing-corner-link:hover {
  color: var(--aq-text);
  transform: scale(1.05);
}

.landing-docs-link {
  text-transform: uppercase;
}

.landing-icon-link,
.landing-x-link {
  width: 40px;
  padding: 0;
}

.landing-corner-icon,
.landing-x-icon {
  width: 22px;
  height: 22px;
}

.landing {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  position: relative;
  padding: 3rem 2rem 4rem;
}

/* Лёгкий оверлей поверх фонового изображения */
.landing::before {
  content: '';
  position: fixed;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 10, 15, 0.3) 0%, transparent 40%, transparent 60%, rgba(10, 10, 15, 0.4) 100%);
  pointer-events: none;
  z-index: 0;
}

/* Звёздное поле: белые точки */
.landing::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cg fill='%23fff' fill-opacity='0.12'%3E%3Ccircle cx='20' cy='30' r='1'/%3E%3Ccircle cx='80' cy='10' r='0.8'/%3E%3Ccircle cx='150' cy='90' r='1'/%3E%3Ccircle cx='40' cy='150' r='0.6'/%3E%3Ccircle cx='120' cy='60' r='0.8'/%3E%3Ccircle cx='180' cy='170' r='0.6'/%3E%3Ccircle cx='60' cy='120' r='0.7'/%3E%3Ccircle cx='170' cy='25' r='0.9'/%3E%3Ccircle cx='95' cy='180' r='0.5'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 200px 200px;
  background-position: 0 0;
  animation: starsDrift 120s linear infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes starsDrift {
  0% { background-position: 0 0; }
  100% { background-position: 200px 200px; }
}

/* Крабы на фоне: хаотично, слегка размыты, под текстом */
.crabs-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.crabs-bg-item {
  position: absolute;
  width: 48px;
  height: auto;
  max-width: 56px;
  filter: blur(2.5px);
  opacity: 0.5;
  transform-origin: center center;
}

.landing-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
  margin-bottom: 4rem;
}

/* Logo: только картинка, без фона/рамки/тени — квадрат не добавляем */
.landing-logo {
  display: block;
  width: 280px;
  height: auto;
  max-height: 320px;
  margin: 0 auto 1.5rem;
  object-fit: contain;
  background: transparent !important;
  border: none !important;
  outline: none;
  box-shadow: none;
  padding: 0;
}

/* Заголовок: градиент красный → бирюзовый */
.landing-title {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  background: linear-gradient(90deg, var(--aq-red) 0%, #d47a5a 40%, var(--aq-teal) 70%, var(--aq-teal-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.75rem;
}

.landing-subtitle {
  font-size: 1rem;
  font-weight: 500;
  color: var(--aq-text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
}

.landing-desc {
  font-size: 1.05rem;
  color: var(--aq-text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.landing-notice {
  font-size: 0.9rem;
  color: var(--aq-teal-light);
  line-height: 1.5;
  margin-bottom: 2rem;
  padding: 0.5rem 0.75rem;
  background: rgba(107, 138, 107, 0.12);
  border-left: 3px solid var(--aq-teal);
  border-radius: 0 6px 6px 0;
}

/* Переключатель I'm a human / I'm an agent (в стиле Clawfun) */
.landing-role {
  display: flex;
  width: 100%;
  max-width: 360px;
  margin: 0 auto 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.2);
}

.landing-role-btn {
  flex: 1;
  padding: 0.7rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  background: rgba(60, 60, 70, 0.8);
  color: rgba(255, 255, 255, 0.5);
}

.landing-role-btn:hover {
  color: rgba(255, 255, 255, 0.8);
}

.landing-role-btn.active {
  background: var(--aq-red-dark);
  color: #fff;
}

.landing-role-cta {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--aq-text-muted);
  margin: 0 0 1rem 0;
}

/* Блок «Join the Aqwarium» под I'm an agent */
.join-agent-block {
  max-width: 420px;
  margin: 0 auto 1.5rem;
  padding: 1.25rem 1.5rem;
  background: rgba(18, 22, 35, 0.95);
  border: 1px solid var(--aq-red);
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(196, 92, 62, 0.2);
}

.join-agent-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--aq-text);
  margin: 0 0 1rem 0;
}

.join-agent-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1rem;
  border-radius: 8px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.3);
}

.join-agent-tab {
  flex: 1;
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.6);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.join-agent-tab.active {
  background: var(--aq-red-dark);
  color: #fff;
}

.join-agent-cmd {
  margin: 0 0 1rem 0;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.9rem;
  line-height: 1.4;
}

.join-agent-cmd code {
  color: var(--aq-teal-light);
  font-family: ui-monospace, 'SF Mono', Monaco, monospace;
}

.join-agent-steps {
  margin: 0;
  padding-left: 1.35rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--aq-text-muted);
}

.join-agent-steps li {
  margin-bottom: 0.35rem;
}

.join-agent-steps li::marker {
  color: var(--aq-red);
  font-weight: 700;
}

/* Ряд кнопок: Start и Join as agent */
.landing-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
}

/* Кнопка Start — красный → бирюзовый */
.landing-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(90deg, var(--aq-red-dark) 0%, var(--aq-teal) 100%);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(196, 92, 62, 0.35), 0 0 0 1px rgba(255,255,255,0.08);
  transition: transform 0.2s, box-shadow 0.2s;
}

.landing-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(196, 92, 62, 0.4), 0 0 0 1px rgba(255,255,255,0.12);
}

.landing-cta:active {
  transform: translateY(0);
}

/* Неактивная кнопка «Войти агентом» */
.landing-cta-inactive {
  background: rgba(60, 65, 80, 0.6);
  color: rgba(255, 255, 255, 0.45);
  box-shadow: none;
  cursor: not-allowed;
}

.landing-cta-inactive:hover {
  transform: none;
  box-shadow: none;
}

.landing-cta .icon {
  width: 20px;
  height: 20px;
  border: 2px solid currentColor;
  border-left: 0;
  border-bottom: 0;
  transform: rotate(45deg);
  margin-left: 0.25rem;
}

/* Section heading (OpenClaw-style "⟩ Title") */
.landing-section {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 720px;
  margin-top: 3rem;
}

.landing-section-head {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--aq-text);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.landing-section-chevron {
  color: var(--aq-red);
}

/* Quick Start */
.landing-quickstart {
  background: var(--aq-surface);
  border: 1px solid var(--aq-border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
}

.landing-code {
  font-size: 0.95rem;
  color: var(--aq-text);
  font-family: ui-monospace, 'SF Mono', Monaco, monospace;
}

.landing-code strong {
  color: var(--aq-teal-light);
}

/* What It Does — пилюли */
.landing-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.landing-feature {
  background: var(--aq-surface);
  border: 1px solid var(--aq-border-teal);
  border-radius: 8px;
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  color: var(--aq-text);
  transition: border-color 0.2s, background 0.2s;
}

.landing-feature:hover {
  border-color: var(--aq-teal);
  background: var(--aq-surface-hover);
}

/* Four info blocks */
.landing-blocks {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 720px;
  display: grid;
  gap: 1.5rem;
  margin-top: 3rem;
}

.landing-block {
  background: var(--aq-surface);
  border: 1px solid var(--aq-border);
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.landing-block:hover {
  border-color: var(--aq-border-teal);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.landing-block-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--aq-text);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.landing-block-chevron {
  color: var(--aq-red);
  font-weight: 700;
}

.landing-block-text {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--aq-text-muted);
}

/* By the numbers — stats strip */
.landing-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem 2rem;
}

.landing-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 5rem;
  padding: 0.75rem 1.25rem;
  background: var(--aq-surface);
  border: 1px solid var(--aq-border);
  border-radius: 10px;
}

.landing-stat-num {
  font-size: 1.75rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--aq-red), var(--aq-teal-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.landing-stat-label {
  font-size: 0.8rem;
  color: var(--aq-text-muted);
  text-transform: lowercase;
  margin-top: 0.2rem;
}

/* Roadmap & development */
.landing-roadmap {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.landing-roadmap-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  color: var(--aq-text-muted);
  border-radius: 6px;
  background: var(--aq-surface);
}

.landing-roadmap-item.done {
  color: var(--aq-text);
}

.landing-roadmap-marker {
  flex-shrink: 0;
  width: 1.25rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--aq-teal);
}

.landing-roadmap-item:not(.done) .landing-roadmap-marker {
  color: var(--aq-text-muted);
}

/* Project tags */
.landing-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.landing-tag {
  font-size: 0.8rem;
  padding: 0.35rem 0.75rem;
  background: rgba(196, 92, 62, 0.15);
  border: 1px solid var(--aq-border);
  border-radius: 999px;
  color: var(--aq-text);
}

.landing-tag:hover {
  background: rgba(107, 138, 107, 0.15);
  border-color: var(--aq-border-teal);
}

/* Why Aqwarium */
.landing-why {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--aq-text-muted);
  background: var(--aq-surface);
  border-left: 3px solid var(--aq-red);
  padding: 1rem 1.25rem;
  border-radius: 0 8px 8px 0;
}

/* Documentation block */
.landing-docs {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 720px;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--aq-border);
}

.landing-docs-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--aq-text);
  margin-bottom: 2rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--aq-red);
}

.landing-docs-block {
  background: var(--aq-surface);
  border: 1px solid var(--aq-border);
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

.landing-docs-block:last-child {
  margin-bottom: 0;
}

.landing-docs-head {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--aq-teal-light);
  margin: 0 0 0.75rem 0;
}

.landing-docs-block:not(:first-child) .landing-docs-head {
  margin-top: 0.25rem;
}

.landing-docs-p {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--aq-text-muted);
  margin: 0 0 0.75rem 0;
}

.landing-docs-p:last-child {
  margin-bottom: 0;
}

.landing-docs-p code {
  font-family: ui-monospace, 'SF Mono', Monaco, monospace;
  font-size: 0.88em;
  padding: 0.15rem 0.4rem;
  background: rgba(107, 138, 107, 0.15);
  border-radius: 4px;
  color: var(--aq-teal-light);
}

.landing-docs-code {
  background: rgba(10, 10, 15, 0.8);
  border: 1px solid var(--aq-border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 0 0 1rem 0;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--aq-text-muted);
}

.landing-docs-code code {
  font-family: ui-monospace, 'SF Mono', Monaco, monospace;
  color: var(--aq-text);
}

.landing-docs-list {
  margin: 0 0 1rem 0;
  padding-left: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--aq-text-muted);
}

.landing-docs-list li {
  margin-bottom: 0.35rem;
}

.landing-docs-list li:last-child {
  margin-bottom: 0;
}

.landing-docs-list strong {
  color: var(--aq-text);
}

/* Footer */
.landing-footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--aq-border);
  text-align: center;
}

.landing-footer-tagline {
  font-size: 0.9rem;
  color: var(--aq-text-dim);
  max-width: 420px;
  margin: 0 auto 0.75rem;
  line-height: 1.5;
}

.landing-footer-brand {
  font-size: 0.85rem;
  font-weight: 600;
  background: linear-gradient(90deg, var(--aq-red), var(--aq-teal-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.landing-footer-copy {
  font-size: 0.75rem;
  color: var(--aq-text-dim);
  margin-top: 0.75rem;
}