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

:root {
  --bg: #0f1214;
  --text: #f6f7f4;
  --muted: #a8acaf;
  --forest: #2C4A3E;
  --forest-light: #3d6354;
  --brass: #B8956C;
  --brass-light: #D4B896;
  --cream: #F5F3EE;
  --border: rgba(255, 255, 255, 0.1);
  --card: rgba(255, 255, 255, 0.03);
  --panel-bg: #1a1d20;
  --panel-text: #f6f7f4;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  
  --font-serif: 'EB Garamond', Georgia, serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
}

[data-theme='light'] {
  --bg: #F5F3EE;
  --text: #1a1a1a;
  --muted: #5a5a5a;
  --border: rgba(0, 0, 0, 0.08);
  --card: #ffffff;
  --panel-bg: #ffffff;
  --panel-text: #1a1a1a;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

body {
  margin: 0;
  font-family: var(--font-serif);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Subtle texture */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.02;
  pointer-events: none;
  z-index: 1000;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* Header */
.site-header {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 24px 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.brand-name {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 20px;
}

.brand-tag {
  font-family: var(--font-serif);
  color: var(--muted);
  font-size: 14px;
}

.top-nav {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: flex-end;
  font-family: var(--font-mono);
  font-size: 13px;
}

.top-nav a {
  padding: 8px 12px;
  border-radius: 6px;
  transition: color 150ms ease, background 150ms ease;
}

.top-nav a:hover {
  color: var(--brass);
}

.top-nav .pill {
  border: 1px solid var(--brass);
  color: var(--brass);
  padding: 8px 16px;
}

.top-nav .pill:hover {
  background: var(--brass);
  color: var(--bg);
}

.theme-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  cursor: pointer;
  transition: all 150ms ease;
  z-index: 999;
}

.theme-toggle:hover {
  border-color: var(--brass);
  color: var(--brass);
}

/* Main */
main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px;
}

/* Hero */
.hero {
  padding: 48px 0 24px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 16px;
}

.eyebrow::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--brass);
  opacity: 0.5;
}

h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(36px, 5vw, 54px);
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.01em;
}

.lede {
  margin-top: 20px;
  max-width: 500px;
  color: var(--muted);
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  align-items: center;
  flex-wrap: wrap;
}

.hero-visual {
  margin: 0;
  padding: 12px;
  border-radius: 12px;
  background: var(--panel-bg);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  max-width: 400px;
  justify-self: end;
}

.hero-visual img {
  width: 100%;
  border-radius: 8px;
}

/* Buttons */
.btn {
  font-family: var(--font-mono);
  border: none;
  padding: 14px 24px;
  border-radius: 6px;
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 200ms ease;
}

.btn.primary {
  background: var(--forest);
  color: var(--cream);
  box-shadow: 0 8px 24px rgba(44, 74, 62, 0.3);
}

.btn.primary:hover {
  background: var(--forest-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(44, 74, 62, 0.4);
}

.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn.ghost:hover {
  border-color: var(--brass);
  color: var(--brass);
}

/* Quote Block */
.quote-block {
  padding: 80px 24px;
  text-align: center;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 48px 0;
}

.quote-block blockquote {
  max-width: 600px;
  margin: 0 auto;
  font-family: var(--font-serif);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text);
}

.quote-block cite {
  display: block;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-style: normal;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--brass);
}

/* Panels */
.panel {
  margin-top: 48px;
  padding: 40px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-bg);
  color: var(--panel-text);
}

.panel.highlight {
  background: linear-gradient(135deg, rgba(44, 74, 62, 0.1), var(--panel-bg) 60%);
  border-color: rgba(44, 74, 62, 0.2);
}

.panel-head h2 {
  font-family: var(--font-serif);
  margin: 0 0 12px;
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.panel-head p {
  margin: 0;
  max-width: 600px;
  color: var(--muted);
  font-family: var(--font-serif);
}

.feature-stack {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.feature-block {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
}

.feature-block.soft {
  background: rgba(184, 149, 108, 0.05);
  border-color: rgba(184, 149, 108, 0.15);
}

.feature-block h3 {
  font-family: var(--font-serif);
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 500;
}

.feature-block p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* Inline Visual */
.inline-visual {
  margin: 48px 0;
  padding: 16px;
  border-radius: 12px;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.inline-visual img {
  width: 100%;
  border-radius: 8px;
}

/* Specs */
.spec-panel .panel-head h2 {
  color: var(--brass);
}

.spec-list {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
}

.spec-list li {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 14px;
}

.spec-list li:last-child {
  border-bottom: none;
}

.spec-label {
  font-weight: 500;
  color: var(--text);
}

.spec-value {
  color: var(--muted);
}

/* CTA */
.cta {
  margin: 64px 0 48px;
  border-radius: 12px;
  border: 1px solid rgba(184, 149, 108, 0.3);
  background: linear-gradient(135deg, rgba(44, 74, 62, 0.1), var(--panel-bg) 50%);
  box-shadow: var(--shadow);
}

.cta-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding: 48px;
  align-items: center;
}

.cta h2 {
  font-family: var(--font-serif);
  margin: 8px 0 12px;
  font-size: 28px;
  font-weight: 400;
}

.cta p {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-serif);
}

.cta-form {
  display: grid;
  gap: 12px;
}

.cta-form label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.cta-form input {
  padding: 14px 16px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  transition: all 200ms ease;
}

.cta-form input:focus {
  outline: none;
  border-color: var(--brass);
  box-shadow: 0 0 0 3px rgba(184, 149, 108, 0.15);
}

.cta-form input::placeholder {
  color: var(--muted);
  opacity: 0.5;
}

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

.success-message {
  display: none;
  padding: 40px 32px;
  background: var(--forest);
  border: none;
  border-radius: 12px;
  text-align: center;
  animation: successPop 0.4s ease-out;
}

@keyframes successPop {
  0% {
    opacity: 0;
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.success-message.show {
  display: block;
}

.success-message p {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  color: var(--cream);
  margin: 0;
}

.success-message::before {
  content: '\2713';
  display: block;
  font-size: 48px;
  margin-bottom: 16px;
  color: var(--brass);
}

/* Footer */
.site-footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  border-top: 1px solid var(--border);
}

.footer-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--font-serif);
  color: var(--muted);
  font-size: 14px;
}

.footer-meta .brand-name {
  font-style: normal;
}

.footer-links {
  display: flex;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.footer-links a {
  color: var(--muted);
  transition: color 150ms ease;
}

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

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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

/* Responsive */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-visual {
    order: -1;
  }

  .cta-body {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 720px) {
  .hero-visual {
    display: none;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .brand {
    flex-direction: column;
    gap: 4px;
  }

  .brand-name {
    font-size: 18px;
  }

  .top-nav {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 8px;
  }

  .top-nav a {
    padding: 6px 10px;
    font-size: 12px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .footer-links {
    flex-wrap: wrap;
  }

  .panel {
    padding: 24px;
  }

  .cta-body {
    padding: 32px 24px;
  }

  .spec-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .quote-block {
    padding: 48px 24px;
  }

  h1 {
    font-size: 28px;
  }

  .lede {
    font-size: 16px;
  }

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

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

  .theme-toggle {
    bottom: 16px;
    right: 16px;
  }
}