/* MEMO — design tokens & base styles */

:root {
  /* Authoritative color tokens — MEMO design system v1. */
  --color-bg-primary: #F6F2EA;
  --color-bg-secondary: #EFE9DF;
  --color-bg-tertiary: #F0EADD;
  --color-border-subtle: #E3DBCF;

  --color-navy-primary: #1F2A37;
  --color-navy-hover: #263445;

  --color-gold-accent: #A88C5A;

  --color-white-warm: #FBF9F5;

  --color-text-primary: #2C2C2C;
  --color-text-secondary: #6F6A63;
  --color-text-muted: #9A948B;

  /* Legacy aliases — backed by the canonical tokens above for backward compat. */
  --ink: var(--color-navy-primary);
  --ink-2: var(--color-navy-hover);
  --ink-3: var(--color-text-secondary);
  --bone: var(--color-bg-primary);
  --bone-2: var(--color-bg-secondary);
  --paper: var(--color-bg-secondary);
  --line: var(--color-border-subtle);
  --line-dark: rgba(255, 255, 255, 0.08);

  --text: var(--color-text-primary);
  --text-muted: var(--color-text-secondary);
  --text-subtle: var(--color-text-muted);
  --text-inv: var(--color-white-warm);
  --text-inv-muted: rgba(251, 249, 245, 0.7);

  --accent: var(--color-gold-accent);
  --accent-soft: var(--color-bg-secondary);

  /* Functional status colors (kept for UI mocks, not part of brand palette). */
  --ok: #4a9a6b;
  --warn: #c49a3c;
  --danger: #c45a4a;
  --info: var(--color-gold-accent);

  /* Radii & shadows */
  --r-sm: 4px;
  --r: 8px;
  --r-lg: 14px;
  --r-xl: 22px;

  --shadow-xs: 0 1px 2px rgba(18, 22, 35, 0.04);
  --shadow-sm: 0 4px 16px rgba(18, 22, 35, 0.06), 0 1px 2px rgba(18, 22, 35, 0.04);
  --shadow-md: 0 12px 32px rgba(18, 22, 35, 0.08), 0 2px 6px rgba(18, 22, 35, 0.04);
  --shadow-lg: 0 30px 70px rgba(18, 22, 35, 0.12), 0 6px 16px rgba(18, 22, 35, 0.06);

  /* Type — MEMO brand fonts */
  --font-display: 'Cardo', Georgia, serif;
  --font-body: 'Open Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', ui-monospace, monospace;

  /* Layout */
  --maxw: 1200px;
  --gutter: clamp(20px, 4vw, 48px);
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: var(--color-bg-primary);
  font-feature-settings: normal;
  overflow-x: hidden;
}

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

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

button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

/* Display type */
.display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.1;
  text-wrap: balance;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
}

.eyebrow .dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 8px;
  transform: translateY(-1.5px);
}

.mono { font-family: var(--font-mono); font-feature-settings: 'zero'; }

/* Section primitives */
.section {
  padding: clamp(80px, 9vw, 140px) 0;
  position: relative;
}
.section--ink { background: var(--ink); color: var(--text-inv); }
.section--bone { background: var(--color-bg-tertiary); }
.section--tight { padding: clamp(56px, 6vw, 88px) 0; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section-head { max-width: 720px; margin: 0 auto clamp(48px, 6vw, 88px); text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(32px, 4.4vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 16px 0 20px;
  text-wrap: balance;
}
.section-head p {
  font-size: 18px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.55;
  text-wrap: pretty;
}
.section--ink .section-head p { color: var(--text-inv-muted); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 3px;
  font-weight: 400;
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: all 180ms cubic-bezier(0.2, 0.8, 0.2, 1);
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn--primary {
  background: var(--ink);
  color: var(--text-inv);
}
.btn--primary:hover { background: var(--color-navy-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--white {
  background: var(--color-white-warm);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-subtle);
}
.btn--white:hover { background: var(--color-bg-primary); border-color: #D6CBB8; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--ghost {
  border-color: var(--line);
  color: var(--text);
  background: transparent;
}
.btn--ghost:hover { border-color: var(--ink); }
.btn--accent {
  background: var(--accent);
  color: var(--ink);
}
.btn--accent:hover { background: var(--accent); filter: brightness(0.85); color: var(--text-inv); }
.btn--on-ink {
  background: var(--bone);
  color: var(--ink);
}
.btn--on-ink:hover { background: var(--paper); transform: translateY(-1px); }
.btn--on-ink-ghost {
  border-color: var(--line-dark);
  color: var(--text-inv);
}
.btn--on-ink-ghost:hover { border-color: var(--text-inv); background: rgba(255,255,255,0.03); }
.btn svg { width: 14px; height: 14px; }

/* Scroll-reveal */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1); }
.reveal.in { opacity: 1; transform: none; }
.reveal-stagger > * { opacity: 0; transform: translateY(14px); transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1); }
.reveal-stagger.in > * { opacity: 1; transform: none; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: 400ms; }

/* Subtle hairline divider */
.hair { height: 1px; background: var(--line); width: 100%; }
.hair--ink { background: var(--line-dark); }

/* Utility */
.stack-sm > * + * { margin-top: 10px; }
.stack > * + * { margin-top: 20px; }
.stack-lg > * + * { margin-top: 36px; }
.cluster { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

/* Responsive */
@media (max-width: 860px) {
  .section { padding: 72px 0; }
}

/* Conversation modal */
.conv-dialog {
  padding: 0;
  border: 0;
  border-radius: 16px;
  background: var(--paper);
  color: var(--ink);
  width: min(560px, calc(100% - 32px));
  max-height: calc(100vh - 64px);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.conv-dialog::backdrop {
  background: rgba(31, 42, 55, 0.55);
  backdrop-filter: blur(2px);
}
.conv-dialog__inner {
  position: relative;
  padding: 40px 36px 36px;
  overflow: auto;
  max-height: calc(100vh - 64px);
}
.conv-dialog__close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 22px;
  line-height: 1;
  color: var(--ink-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 120ms ease, color 120ms ease;
}
.conv-dialog__close:hover { background: var(--bone); color: var(--ink); }
.conv-dialog__title {
  margin: 0 0 8px;
  font-size: 26px;
  letter-spacing: -0.01em;
}
.conv-dialog__sub {
  margin: 0 0 22px;
  color: var(--ink-3);
  font-size: 15px;
  line-height: 1.5;
}
.conv-dialog__form { min-height: 80px; }
/* Force-left HubSpot form content (overrides inline text-align:center HubSpot adds). */
.conv-dialog__form,
.conv-dialog__form *,
.conv-dialog__form h1,
.conv-dialog__form h2,
.conv-dialog__form h3,
.conv-dialog__form h4,
.conv-dialog__form p,
.conv-dialog__form div,
.conv-dialog__form .hs-richtext,
.conv-dialog__form .hs-richtext *,
.conv-dialog__form .hs-form-html,
.conv-dialog__form .hs-form-html *,
.conv-dialog__form .hs-form-private,
.conv-dialog__form [style*="center"] {
  text-align: left !important;
}
@media (max-width: 520px) {
  .conv-dialog__inner { padding: 32px 22px 26px; }
  .conv-dialog__title { font-size: 22px; }
}