@import url('https://fonts.googleapis.com/css2?family=Newsreader:opsz,wght@6..72,400;6..72,500;6..72,600&family=Inter:wght@400;500;600&display=swap');

:root {
  --bg-primary: #FAF9F5;
  --bg-secondary: #FFFFFF;
  --bg-card: #FFFFFF;
  --text-primary: #1A1A1A;
  --text-secondary: #555555;
  --text-muted: #888888;
  --border-color: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.2);
  --accent: #D48C6A; /* Soft terracotta, optional accent */
  --btn-primary-bg: #1A1A1A;
  --btn-primary-text: #FFFFFF;
  --btn-primary-hover: #333333;
  --btn-secondary-bg: transparent;
  --btn-secondary-text: #1A1A1A;
  --btn-secondary-hover: rgba(0, 0, 0, 0.04);
  
  --font-serif: 'Newsreader', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  --max-width: 1080px;
  --section-pad: 6rem;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-pill: 100px;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
}

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

html {
  scroll-behavior: smooth;
  -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: inherit;
  text-decoration: none;
}

ul, ol { list-style: none; }
img { max-width: 100%; display: block; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: var(--section-pad) 0;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Typography */
.text-serif { font-family: var(--font-serif); }
.text-sans { font-family: var(--font-sans); }
.mono { font-family: var(--font-mono); font-size: 0.9em; }

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid var(--btn-primary-bg);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s ease;
}

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

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  background: rgba(250, 249, 245, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.navbar.scrolled {
  border-bottom: 1px solid var(--border-color);
}

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

.navbar-logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.navbar-links a:not(.btn-primary) {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.navbar-links a:not(.btn-primary):hover {
  color: var(--text-primary);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  margin: 4px 0;
}

/* Hero */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 6rem;
  text-align: center;
}

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

.hero-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: #EAE8E0;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: var(--radius-pill);
  margin-bottom: 2rem;
  animation: fadeIn 0.6s ease both;
}

.hero h1 {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 400;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  animation: fadeIn 0.6s ease 0.1s both;
}

.hero h1 em {
  font-style: italic;
  color: var(--text-secondary);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 3rem;
  line-height: 1.6;
  animation: fadeIn 0.6s ease 0.2s both;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  animation: fadeIn 0.6s ease 0.3s both;
}

/* Terminal / Code snippet */
.hero-terminal {
  margin-top: 4rem;
  text-align: left;
  animation: fadeIn 0.6s ease 0.4s both;
}

.terminal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  max-width: 650px;
  margin: 0 auto;
  overflow: hidden;
}

.terminal-header {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-primary);
  display: flex;
  gap: 6px;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #E0E0E0;
}

.terminal-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.terminal-body .prompt { color: var(--text-primary); }
.terminal-body .command { color: #555; }
.terminal-body .output { color: var(--text-muted); padding-left: 1rem; }
.terminal-body .highlight { color: var(--text-primary); font-weight: 500; }

/* Integrations */
.integrations {
  padding: 3rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
  text-align: center;
}

.integrations-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.integrations-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  opacity: 0.7;
}

.integrations-grid span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* Sections General */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Tabs */
.skills-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.skill-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.skill-tab {
  background: none;
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
}

.skill-tab:hover {
  color: var(--text-primary);
}

.skill-tab.active {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 500;
}

.skill-panel {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  animation: fadeIn 0.4s ease;
}

.skill-panel.active {
  display: grid;
}

.skill-info h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.skill-info p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.skill-list {
  list-style: none;
}

.skill-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.skill-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.price-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
}

.price-card.featured {
  border: 1px solid var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.price-tier {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.price-amount {
  font-family: var(--font-serif);
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.price-amount span {
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text-secondary);
}

.price-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.price-features {
  margin-bottom: 2.5rem;
  flex-grow: 1;
}

.price-features li {
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  display: flex;
  gap: 0.5rem;
}

.price-features li.disabled {
  color: var(--text-muted);
  text-decoration: line-through;
}

.price-card .btn-primary, .price-card .btn-secondary {
  width: 100%;
}

/* FAQ */
.faq-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.faq-grid {
  max-width: 800px;
  margin: 0 auto;
}

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

.faq-item:first-child {
  border-top: 1px solid var(--border-color);
}

.faq-question {
  padding: 1.5rem 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding-bottom: 1.5rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.faq-item.open .faq-answer {
  /* max-height set via JS */
}

/* Footer */
.footer {
  padding: 4rem 0 2rem;
  background: var(--bg-primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 4rem;
}

.footer-brand h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 300px;
}

.footer-links {
  display: flex;
  gap: 4rem;
  justify-content: flex-end;
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 900px) {
  .feature-grid, .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .skill-panel.active {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 600px) {
  .navbar-links {
    display: none;
  }
  .hamburger {
    display: block;
  }
  .feature-grid, .pricing-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-links {
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}