/* ============ DESIGN TOKENS ============ */
:root, [data-theme="light"] {
  /* Surfaces — warm cream, agricultural */
  --color-bg: #f7f5ef;
  --color-surface: #ffffff;
  --color-surface-2: #fdfcf9;
  --color-surface-offset: #f0ece0;
  --color-surface-offset-2: #e8e2d2;
  --color-divider: #e2ddce;
  --color-border: #d8d1bc;

  /* Text */
  --color-text: #23291f;
  --color-text-muted: #6b6a5e;
  --color-text-faint: #a6a396;
  --color-text-inverse: #f7f5ef;

  /* Primary accent — deep field green */
  --color-primary: #2f5d3a;
  --color-primary-hover: #24492d;
  
  --color-primary-light: #A7D3B2;
  --color-primary-light-hover: #BBDDC4;

  --color-primary-active: #1a3620;
  --color-primary-highlight: #d9e5da;

  /* Gold accent — wheat / harvest */
  --color-gold: #c07f1f;
  --color-gold-hover: #a06819;
  --color-gold-highlight: #f0e2c4;

  /* Warning / line accent (break-even marker) */
  --color-warning: #b3491f;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16,1,0.3,1);

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 120 / 0.06);
  --shadow-md: 0 4px 16px oklch(0.2 0.02 120 / 0.10);
  --shadow-lg: 0 16px 40px oklch(0.2 0.02 120 / 0.14);

  --content-default: 1080px;
  --content-narrow: 720px;

  --font-display: 'Zodiak', 'Georgia', serif;
  --font-body: 'Work Sans', 'Helvetica Neue', sans-serif;
}

[data-theme="dark"] {
  --color-bg: #171a15;
  --color-surface: #1c201a;
  --color-surface-2: #20241d;
  --color-surface-offset: #23271f;
  --color-surface-offset-2: #2a2e24;
  --color-divider: #2c2f26;
  --color-border: #3a3e33;
  --color-text: #e6e4da;
  --color-text-muted: #9a9a8c;
  --color-text-faint: #6a6a5e;
  --color-text-inverse: #1c201a;
  --color-primary: #c8f5f5;
  --color-primary-hover: #a8e6e6;
  --color-primary-active: #a2cdac;
  --color-primary-highlight: #2a3b2a;
  --color-gold: #d9a339;
  --color-gold-hover: #e6b957;
  --color-gold-highlight: #3a3121;
  --color-warning: #d1734a;
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 16px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #171a15; --color-surface: #1c201a; --color-surface-2: #20241d;
    --color-surface-offset: #23271f; --color-surface-offset-2: #2a2e24;
    --color-divider: #2c2f26; --color-border: #3a3e33; --color-text: #e6e4da;
    --color-text-muted: #9a9a8c; --color-text-faint: #6a6a5e; --color-text-inverse: #1c201a;
    --color-primary: #c8f5f5; --color-primary-hover: #a8e6e6; --color-primary-active: #a2cdac;
    --color-primary-highlight: #2a3b2a; --color-gold: #d9a339; --color-gold-hover: #e6b957;
    --color-gold-highlight: #3a3121; --color-warning: #d1734a;
  }
}

:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);
}

/* ============ BASE ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; scroll-behavior: smooth; scroll-padding-top: 5rem; }
body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}
img, svg { display: block; max-width: 100%; }
h1, h2, h3 { font-family: var(--font-display); text-wrap: balance; line-height: 1.15; color: var(--color-text); }
p { text-wrap: pretty; }
a { color: var(--color-primary); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }

.skip-link {
  position: absolute; left: -999px; top: 0;
}
.skip-link:focus { left: 1rem; top: 1rem; background: var(--color-surface); padding: .5rem 1rem; z-index: 100; border-radius: var(--radius-sm); }

.wrap { max-width: var(--content-default); margin: 0 auto; padding-inline: clamp(1.25rem, 4vw, 2.5rem); }

/* ============ HEADER ============ */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in oklab, var(--color-surface) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-divider);
}
.header-inner {
  display: flex; align-items: center; gap: 1.5rem;
  height: 4.5rem;
}
.brand {
  display: flex; align-items: center; gap: .5rem;
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 600;
  color: var(--color-text); text-decoration: none;
}
.brand-mark { color: var(--color-primary); flex-shrink: 0; }
.main-nav { display: flex; gap: 1.75rem; margin-left: 1rem; flex: 1; }
.main-nav a {
  color: var(--color-text-muted); text-decoration: none; font-size: var(--text-sm); font-weight: 500;
}
.main-nav a:hover { color: var(--color-primary); }
.header-actions { display: flex; align-items: center; gap: .75rem; }
.login-status { font-size: var(--text-xs); color: var(--color-text-faint); }
.nav-toggle { display: none; background: none; border: none; color: var(--color-text); }
.mobile-nav { display: none; }

@media (max-width: 860px) {
  .main-nav, .header-actions { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-nav {
    display: none;
    flex-direction: column; gap: 1rem;
    padding: 1rem clamp(1.25rem, 4vw, 2.5rem) 1.5rem;
    border-bottom: 1px solid var(--color-divider);
    background: var(--color-surface);
  }
  .mobile-nav.is-open { display: flex; }
  .mobile-nav a { color: var(--color-text); text-decoration: none; font-weight: 500; }
  .mobile-actions { display: flex; gap: .75rem; margin-top: .5rem; }
}

/* ============ BUTTONS ============ */
.btn {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: .65rem 1.25rem;
  border-radius: var(--radius-full);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background var(--transition-interactive), color var(--transition-interactive), border-color var(--transition-interactive), transform var(--transition-interactive);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--color-primary); color: var(--color-text-inverse); }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-primary-light { background: var(--color-primary-light); color: var(--color-text-inverse); }
.btn-primary-light:hover { background: var(--color-primary-light-hover); }
.btn-ghost { background: transparent; color: var(--color-text); border-color: var(--color-border); }
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-lg { padding: .85rem 1.75rem; font-size: var(--text-base); }
.btn-demo { background: #E0FFFF; color: #23291f; border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-weight: 500; }
.btn-demo:hover { background: #cdf5f5; }

/* ============ HERO ============ */
.hero { padding-block: clamp(2.5rem, 6vw, 5rem) clamp(2rem, 5vw, 4rem); }
.hero-grid {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.eyebrow {
  font-size: var(--text-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--color-gold); margin-bottom: .75rem;
}
.hero h1 { font-size: var(--text-2xl); font-weight: 500; margin-bottom: 1rem; }
.hero-sub { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 34rem; margin-bottom: 1.75rem; }
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: .9rem; }
.hero-note { font-size: var(--text-xs); color: var(--color-text-faint); }
.hero-art { }
.hero-svg { width: 100%; height: auto; filter: drop-shadow(var(--shadow-md)); border-radius: var(--radius-lg); }

.hero-pricing {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: calc(var(--text-lg) * 0.9);
  color: var(--color-text-muted);
}

.hero-pricing li {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.hero-pricing strong {
  font-size: 0.95em;
  font-weight: 700;
  color: var(--color-text-muted);
}

.hero-pricing span {
  font-size: 0.85em;
  color: var(--color-text-muted);
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 22rem; margin: 0 auto; }
}

/* ============ SECTIONS ============ */
section { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.section-title { font-size: var(--text-xl); font-weight: 500; text-align: center; margin-bottom: .5rem; }
.section-sub { text-align: center; color: var(--color-text-muted); max-width: 36rem; margin: 0 auto 2.5rem; }

.features { background: var(--color-surface); border-top: 1px solid var(--color-divider); border-bottom: 1px solid var(--color-divider); }
.feature-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.25rem; margin-bottom: 2.5rem;
}
@media (max-width: 980px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .feature-grid { grid-template-columns: 1fr; } }

.feature-card {
  background: var(--color-surface-2); border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg); padding: 1.5rem 1.25rem; text-align: center;
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.feature-icon { font-size: 1.75rem; display: block; margin-bottom: .6rem; }
.feature-card h3 { font-size: var(--text-base); font-weight: 600; font-family: var(--font-body); margin-bottom: .35rem; }
.feature-card p { font-size: var(--text-sm); color: var(--color-text-muted); }

.callout {
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
  background: linear-gradient(135deg, var(--color-primary-highlight), var(--color-gold-highlight));
  border-radius: var(--radius-xl); padding: clamp(1.5rem, 4vw, 2.5rem);
}
.callout-eyebrow { font-size: var(--text-xs); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--color-primary); margin-bottom: .4rem; }
.callout h3 { font-size: var(--text-lg); font-weight: 500; margin-bottom: .5rem; }
.callout p:last-child { color: var(--color-text-muted); max-width: 34rem; }
.callout-badge { flex-shrink: 0; color: var(--color-primary); }
@media (max-width: 640px) { .callout { flex-direction: column; text-align: center; } }

/* ============ HOW IT WORKS ============ */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 860px) { .steps-grid { grid-template-columns: 1fr; } }
.step-card {
  background: var(--color-surface); border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg); padding: 1.75rem; box-shadow: var(--shadow-sm);
}
.step-label { font-size: var(--text-xs); font-weight: 700; color: var(--color-primary); text-transform: uppercase; letter-spacing: .04em; margin-bottom: .6rem; }
.step-desc { color: var(--color-text-muted); font-size: var(--text-sm); margin-bottom: 1.25rem; }
.step-demo { display: flex; align-items: center; gap: .75rem; min-height: 2.25rem; }
.demo-response { display: none; font-size: var(--text-sm); color: var(--color-text-muted); }
.demo-cell {
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  background: #F3F781; color: #23291f; padding: .35rem .9rem; font-size: var(--text-sm); display: inline-block;
}
.demo-cell:hover { cursor: text; }
.demo-red {
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  color: #b3491f; padding: .35rem .9rem; font-size: var(--text-sm); display: inline-block;
}

/* ============ GET STARTED ============ */
.get-started { background: var(--color-surface); border-top: 1px solid var(--color-divider); }
.access-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 2rem; }
@media (max-width: 720px) { .access-grid { grid-template-columns: 1fr; } }
.access-card {
  border: 1px solid var(--color-divider); border-radius: var(--radius-lg);
  padding: 1.75rem; background: var(--color-surface-2);
}
.access-card h3 { font-size: var(--text-lg); font-weight: 500; margin-bottom: .6rem; }
.access-card p { color: var(--color-text-muted); font-size: var(--text-sm); margin-bottom: 1rem; }
.login-status-full { font-style: italic; }

.subscription-details {
  max-width: var(--content-narrow); margin: 0 auto;
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
  padding: 1rem 1.25rem; background: var(--color-surface-2);
}
.subscription-details summary { cursor: pointer; font-weight: 600; font-size: var(--text-sm); }
.subscription-details p { margin-top: .75rem; color: var(--color-text-muted); font-size: var(--text-sm); }

/* ============ FOOTER ============ */
.site-footer { border-top: 1px solid var(--color-divider); padding-block: 2rem; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.brand-footer { display: flex; align-items: center; gap: .5rem; font-family: var(--font-display); color: var(--color-text-muted); font-size: var(--text-sm); }
.footer-copy { color: var(--color-text-faint); font-size: var(--text-xs); }

.get-started-cta {
  display: flex;
  justify-content: center;
  margin: 1.5rem 0 2rem;
}