/* =============================================================
   ASKForge marketing site — light, warm, Mercury-style
   Builds on colors_and_type.css tokens but inverts the
   foreground/background so cream is the page and ink is the text.
   ============================================================= */

@import url("colors_and_type.css");

/* ----- LIGHT THEME (default) ----- */
:root,
[data-theme="light"] {
  --page:        #F5EEE2;
  --page-deeper: #ECE2D1;
  --raised:      #FBF5EA;

  --ink:    #1A130C;
  --ink-2:  #2C1F12;
  --ink-3:  #5A4633;
  --ink-4:  #8A745C;
  --ink-5:  #B3A18A;

  --line:        rgba(26, 19, 12, 0.08);
  --line-strong: rgba(26, 19, 12, 0.16);

  --copper:       #875232;
  --copper-soft:  #B07050;
  --ember:        #B33C01;

  --shadow-card: 0 1px 2px rgba(26, 19, 12, 0.04),
                 0 8px 24px -8px rgba(26, 19, 12, 0.10);
  --shadow-card-hover: 0 1px 2px rgba(26, 19, 12, 0.05),
                       0 16px 36px -12px rgba(26, 19, 12, 0.16);

  --header-bg: rgba(245, 238, 226, 0.86);
  --logo-light-display: block;
  --logo-dark-display: none;
}

/* ----- DARK THEME ----- */
[data-theme="dark"] {
  --page:        #14100A;   /* deeper than design system's ink-900 for marketing depth */
  --page-deeper: #0E0A06;
  --raised:      #1E170F;

  --ink:    #F5EEE2;         /* primary text now bone */
  --ink-2:  #DDCCB8;
  --ink-3:  #A6917A;
  --ink-4:  #74614C;
  --ink-5:  #4A3D2D;

  --line:        rgba(245, 238, 226, 0.07);
  --line-strong: rgba(245, 238, 226, 0.14);

  --copper:       #C97A3F;   /* lifted in dark for legibility */
  --copper-soft:  #D9956A;
  --ember:        #E25426;

  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.50),
                 0 12px 28px -10px rgba(0, 0, 0, 0.55);
  --shadow-card-hover: 0 1px 2px rgba(0, 0, 0, 0.55),
                       0 20px 44px -14px rgba(0, 0, 0, 0.7);

  --header-bg: rgba(20, 16, 10, 0.78);
  --logo-light-display: none;
  --logo-dark-display: block;
}

/* Hide light/dark logo variants based on theme */
.logo-light { display: var(--logo-light-display); }
.logo-dark  { display: var(--logo-dark-display); }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--page);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; transition: text-decoration-color 120ms cubic-bezier(0.2, 0, 0, 1); }
a:hover { text-decoration-color: var(--ember); }

::selection { background: var(--copper); color: var(--page); }

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

/* ----- Layout ----- */
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 32px; }
.wrap-narrow { max-width: 760px; margin: 0 auto; padding: 0 32px; }

/* ----- Header ----- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border-bottom: 1px solid var(--line);
}
.site-header-inner {
  display: flex; align-items: center; gap: 24px;
  height: 68px;
  max-width: 1120px; margin: 0 auto; padding: 0 32px;
}
.site-logo img { height: 32px; width: auto; }
.site-nav { display: flex; gap: 6px; margin-left: 8px; }
.site-nav a {
  font-size: 14px; font-weight: 500;
  color: var(--ink-3); text-decoration: none;
  padding: 6px 10px; border-radius: 6px;
  transition: color 120ms cubic-bezier(0.2, 0, 0, 1), background 120ms cubic-bezier(0.2, 0, 0, 1);
}
.site-nav a:hover { color: var(--ink); background: rgba(26, 19, 12, 0.04); }
.site-nav a.active { color: var(--ink); }
.site-header-spacer { flex: 1; }
.beta-pill {
  font-size: 11px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--copper); padding: 4px 10px;
  border: 1px solid var(--copper-soft); border-radius: 9999px;
  background: rgba(135, 82, 50, 0.04);
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-sans); font-weight: 500;
  font-size: 15px;
  padding: 12px 20px; border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 120ms cubic-bezier(0.2, 0, 0, 1),
              border-color 120ms cubic-bezier(0.2, 0, 0, 1),
              transform 120ms cubic-bezier(0.2, 0, 0, 1);
  text-decoration: none;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--copper); color: var(--page);
  border-color: color-mix(in oklab, var(--copper) 80%, black);
  box-shadow: 0 1px 0 rgba(26, 19, 12, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.10);
}
.btn-primary:hover { background: color-mix(in oklab, var(--copper) 88%, black); }
.btn-secondary {
  background: var(--raised); color: var(--ink);
  border-color: var(--line-strong);
}
.btn-secondary:hover { border-color: var(--ink-3); }
.btn-ghost {
  background: transparent; color: var(--ink-2);
  padding: 10px 14px;
}
.btn-ghost:hover { color: var(--ink); }
.btn-large { font-size: 16px; padding: 14px 24px; border-radius: 10px; }

/* ----- Sections ----- */
section { padding: 88px 0; }
section.tight { padding: 56px 0; }
.section-deeper { background: var(--page-deeper); }
.eyebrow {
  display: inline-block;
  font-size: 12px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--copper);
}

/* ----- Typography ----- */
h1, h2, h3, h4 { margin: 0; color: var(--ink); }
h1 {
  font-family: var(--font-serif); font-weight: 400;
  font-size: clamp(40px, 5.5vw, 68px); line-height: 1.05; letter-spacing: -0.015em;
  text-wrap: balance;
}
h1 em { font-style: italic; color: var(--copper); }
h2 {
  font-family: var(--font-serif); font-weight: 400;
  font-size: clamp(32px, 3.6vw, 44px); line-height: 1.1; letter-spacing: -0.01em;
  text-wrap: balance;
}
h3 {
  font-family: var(--font-sans); font-weight: 500;
  font-size: 20px; line-height: 1.3;
}
p {
  font-size: 17px; line-height: 1.6;
  color: var(--ink-2);
  text-wrap: pretty;
  margin: 0;
}
.lede { font-size: 19px; line-height: 1.55; color: var(--ink-2); }
.muted { color: var(--ink-3); }
.tiny { font-size: 13px; color: var(--ink-3); }

/* ----- Cards ----- */
.card {
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  padding: 32px;
  transition: box-shadow 240ms cubic-bezier(0.2, 0, 0, 1),
              border-color 240ms cubic-bezier(0.2, 0, 0, 1),
              transform 240ms cubic-bezier(0.2, 0, 0, 1);
}
.card-link { display: block; text-decoration: none; color: inherit; }
.card-link:hover { transform: translateY(-2px); box-shadow: var(--shadow-card-hover); border-color: var(--line-strong); }

/* ----- Footer ----- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--page-deeper);
  padding: 48px 0 40px;
}
.site-footer-inner {
  max-width: 1120px; margin: 0 auto; padding: 0 32px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
}
.site-footer h4 { font-size: 13px; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 12px; }
.site-footer a { color: var(--ink-2); text-decoration: none; font-size: 14px; display: block; padding: 4px 0; }
.site-footer a:hover { color: var(--ink); }
.site-footer-meta {
  max-width: 1120px; margin: 32px auto 0; padding: 24px 32px 0;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--ink-3);
}

/* ----- Theme toggle ----- */
.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  padding: 0;
  border-radius: 9999px;
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--ink-3);
  cursor: pointer;
  transition: color 120ms cubic-bezier(0.2, 0, 0, 1),
              background 120ms cubic-bezier(0.2, 0, 0, 1),
              border-color 120ms cubic-bezier(0.2, 0, 0, 1);
}
.theme-toggle:hover {
  color: var(--ink);
  border-color: var(--copper-soft);
  background: rgba(135, 82, 50, 0.06);
}
[data-theme="dark"] .theme-toggle:hover {
  background: rgba(217, 149, 106, 0.10);
}
.theme-toggle svg { width: 16px; height: 16px; }
/* Show the right icon for the current theme */
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* ----- Responsive ----- */
@media (max-width: 720px) {
  section { padding: 64px 0; }
  .site-header-inner { padding: 0 20px; gap: 12px; }
  .site-nav a { padding: 6px 8px; }
  .site-footer-inner { grid-template-columns: 1fr 1fr; }
  .wrap, .wrap-narrow { padding: 0 20px; }
}