/* ========================================
   WAT DIS MEAN? - Landing Page
   Field Notes aesthetic + Sage Green palette
   ======================================== */

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

:root {
  /* Fonts */
  --font-sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Geist Mono', 'SF Mono', 'Menlo', 'Monaco', monospace;

  /* Colors */
  --bg-primary: #F8FAF8;
  --bg-secondary: #EEF2EE;
  --bg-tertiary: #E8EDE8;
  --bg-white: #FFFFFF;

  --border-light: rgba(74, 107, 85, 0.15);
  --border-medium: rgba(74, 107, 85, 0.25);

  --text-primary: #1F2937;
  --text-secondary: #4A5A50;
  --text-muted: #6B7B6F;
  --text-label: #5A6B5E;

  --accent-primary: #3A5244;
  --accent-hover: #4A6B55;
  --accent-light: #5A7A64;

  --success: #4A6B55;
  --error: #9C5A4A;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========================================
   HEADER
   ======================================== */

.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-light);
}

.logo {
  display: flex;
  align-items: flex-end;
  gap: 10px;
}

.logo svg {
  height: 40px;
  width: auto;
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-label);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: 2px;
}

.nav {
  display: flex;
  gap: 24px;
  padding-bottom: 2px;
}

.nav a {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.15s;
}

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

/* ========================================
   HERO
   ======================================== */

.hero {
  display: flex;
  flex-direction: column;
  gap: 48px;
  padding: 80px 0;
}

.hero-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.hero-actions {
  justify-content: center;
}

.hero h1 {
  font-size: 36px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.hero-note {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s;
  border: none;
}

.btn svg {
  width: 18px;
  height: 18px;
}

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

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

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

.btn-secondary:hover {
  background: var(--bg-secondary);
}

/* Hero Video */
.hero-video {
  width: 100%;
}

.hero-video .video-wrapper {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border-medium);
  box-shadow: 0 4px 24px rgba(74, 107, 85, 0.1);
}

.hero-video video {
  display: block;
  width: 100%;
  height: auto;
  background: var(--bg-secondary);
}

/* ========================================
   SECTIONS
   ======================================== */

.section {
  padding: 60px 0;
  border-top: 1px solid var(--border-light);
}

.section-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-label);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 40px;
}

/* ========================================
   FEATURES
   ======================================== */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 2px;
  padding: 24px;
  transition: border-color 0.15s;
}

.feature-card:hover {
  border-color: var(--border-medium);
}

.feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: 2px;
  margin-bottom: 16px;
  color: var(--accent-primary);
}

.feature-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ========================================
   HOW IT WORKS
   ======================================== */

.steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.step-number {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-primary);
  color: var(--bg-primary);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  border-radius: 2px;
  flex-shrink: 0;
}

.step-content h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.step-content p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ========================================
   CHANGELOG
   ======================================== */

.changelog {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.changelog-entry {
  display: grid;
  grid-template-columns: 100px 120px 1fr;
  gap: 24px;
}

.changelog-version {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-primary);
  background: var(--bg-secondary);
  padding: 6px 10px;
  border-radius: 2px;
  text-align: center;
  height: fit-content;
}

.changelog-date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-top: 6px;
}

.changelog-content h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.changelog-content ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.changelog-content li {
  font-size: 14px;
  color: var(--text-secondary);
  padding-left: 16px;
  position: relative;
}

.changelog-content li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--accent-light);
  border-radius: 50%;
}

/* ========================================
   FEEDBACK
   ======================================== */

.feedback-content > p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.feedback-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feedback-card {
  display: block;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 2px;
  padding: 24px;
  text-decoration: none;
  transition: all 0.15s;
}

.feedback-card:hover {
  border-color: var(--border-medium);
  background: var(--bg-secondary);
}

.feedback-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: 2px;
  margin-bottom: 16px;
  color: var(--accent-primary);
}

.feedback-card:hover .feedback-icon {
  background: var(--bg-tertiary);
}

.feedback-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.feedback-card p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ========================================
   VIDEO DEMO
   ======================================== */

.video-section {
  text-align: center;
}

.video-container {
  max-width: 800px;
  margin: 0 auto;
}

.video-placeholder {
  aspect-ratio: 16 / 9;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-muted);
}

.video-placeholder svg {
  opacity: 0.4;
}

.video-placeholder p {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.video-wrapper {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.video-wrapper iframe,
.video-wrapper video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-secondary);
  object-fit: contain;
}

/* ========================================
   WAITLIST
   ======================================== */

.waitlist-section {
  text-align: center;
  background: var(--bg-secondary);
  padding: 60px 0;
  margin: 0 -40px;
  padding-left: 40px;
  padding-right: 40px;
}

.waitlist-content > p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.waitlist-form {
  max-width: 480px;
  margin: 0 auto;
}

.waitlist-input-group {
  display: flex;
  gap: 12px;
}

.waitlist-input-group input {
  flex: 1;
  padding: 14px 16px;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--text-primary);
  transition: border-color 0.15s;
}

.waitlist-input-group input:hover {
  border-color: var(--border-medium);
}

.waitlist-input-group input:focus {
  outline: none;
  border-color: var(--accent-hover);
}

.waitlist-input-group input::placeholder {
  color: var(--text-muted);
}

.waitlist-input-group .btn {
  white-space: nowrap;
}

.waitlist-status {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 12px;
  min-height: 20px;
}

.waitlist-status.success {
  color: var(--success);
}

.waitlist-status.error {
  color: var(--error);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  border-top: 1px solid var(--border-light);
  padding: 24px 0;
  margin-top: 40px;
}

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

.footer-logo {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.footer-logo svg {
  height: 28px;
  width: auto;
}

.footer-logo .logo-text {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: 1px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color 0.15s;
}

.footer-links a:hover {
  color: var(--accent-primary);
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 60px 0;
  }

  .hero-demo {
    order: -1;
  }

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

  .changelog-entry {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .changelog-date {
    padding-top: 0;
  }
}

@media (max-width: 600px) {
  .header {
    flex-direction: column;
    gap: 16px;
  }

  .nav {
    gap: 16px;
  }

  .hero {
    padding: 40px 0;
  }

  .hero h1 {
    font-size: 28px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .feedback-options {
    grid-template-columns: 1fr;
  }

  .waitlist-input-group {
    flex-direction: column;
  }

  .waitlist-section {
    margin: 0 -20px;
    padding-left: 20px;
    padding-right: 20px;
  }

  .footer-content {
    flex-direction: column;
    gap: 16px;
  }
}