/* Habitgram website: shared styles (home, invite, legal pages).
   Colors are the app's Default theme (client/src/index.css,
   :root[data-theme-style="default"] .light-theme / .dark): warm cream with
   charcoal in light mode, warm charcoal with cream in dark mode. Secondary
   text uses the theme's darker/lighter steps so small text stays readable. */

:root {
  --bg: #F7F3EC;            /* bg-primary */
  --bg-2: #ECE5D8;          /* bg-tertiary */
  --card: #FBF8F2;          /* bg-secondary */
  --card-2: #F2ECE0;
  --border: #D8CDBA;        /* border-default */
  --text: #201F1C;          /* text-primary */
  --text-2: #43413B;        /* accent-hover */
  --text-3: #6E6A62;        /* text-secondary */
  --accent: #2B2A27;        /* accent */
  --accent-ink: #2B2A27;
  --accent-soft: rgba(43, 42, 39, 0.08);   /* accent-muted */
  --btn-bg: #2B2A27;
  --btn-text: #F7F3EC;
  --success: #5A9E6F;
  --warning: #C49A3A;
  --error: #B85C5C;
  --shadow: 0 18px 50px -20px rgba(32, 31, 28, 0.28);
  --phone-edge: #201F1C;
  --hero-glow: radial-gradient(60% 50% at 70% 10%, rgba(216, 205, 186, 0.55), transparent 70%),
    radial-gradient(50% 40% at 10% 0%, rgba(236, 229, 216, 0.9), transparent 70%);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171614;          /* bg-primary */
    --bg-2: #1F1E1B;        /* bg-secondary */
    --card: #1F1E1B;
    --card-2: #2B2A27;      /* bg-tertiary */
    --border: #33322E;      /* border-subtle */
    --text: #F2ECE0;        /* text-primary */
    --text-2: #E4DCCD;      /* accent-hover */
    --text-3: #A39E93;      /* text-secondary */
    --accent: #F2ECE0;      /* accent */
    --accent-ink: #F2ECE0;
    --accent-soft: rgba(242, 236, 224, 0.08);
    --btn-bg: #F2ECE0;
    --btn-text: #171614;
    --success: #6BB87F;
    --warning: #D4AA4A;
    --error: #D47070;
    --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.8);
    --phone-edge: #000;
    --hero-glow: radial-gradient(60% 50% at 70% 10%, rgba(242, 236, 224, 0.06), transparent 70%),
      radial-gradient(50% 40% at 10% 0%, rgba(216, 205, 186, 0.05), transparent 70%);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video, svg { display: block; max-width: 100%; }
a { color: var(--accent-ink); }
h1, h2, h3 { font-family: "Outfit", "Inter", sans-serif; line-height: 1.1; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }
.wrap { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

/* ── Nav ───────────────────────────────────────────── */
.site-nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 60%, transparent);
}
.site-nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-family: "Outfit", sans-serif; font-weight: 700; font-size: 20px; letter-spacing: -0.015em; }
.brand picture { display: block; }
.brand img { width: 36px; height: 36px; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--text-2); text-decoration: none; font-size: 15px; font-weight: 500; }
.nav-links a:hover { color: var(--text); }
.nav-links .btn { color: var(--btn-text); }
@media (max-width: 760px) { .nav-links a:not(.btn) { display: none; } }

/* ── Buttons & forms ───────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 22px; border-radius: 14px; border: 0;
  background: var(--btn-bg); color: var(--btn-text);
  font: 600 16px/1 "Inter", sans-serif; text-decoration: none; cursor: pointer;
  transition: transform .15s ease, filter .15s ease;
}
.btn:hover { filter: brightness(1.06); }
.btn:active { transform: translateY(1px); }
.btn.small { min-height: 40px; padding: 0 16px; font-size: 14px; border-radius: 12px; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn[disabled] { opacity: .6; cursor: default; }
.link-btn { background: none; border: 0; padding: 0; color: var(--accent-ink); font: 600 16px "Inter", sans-serif; cursor: pointer; text-decoration: underline; text-underline-offset: 4px; }

input[type=email], input[type=text], textarea, select {
  width: 100%; min-height: 48px; padding: 12px 14px; border-radius: 14px;
  border: 1px solid var(--border); background: var(--card); color: var(--text);
  font: 400 16px "Inter", sans-serif;
}
textarea { min-height: 96px; resize: vertical; }
input::placeholder, textarea::placeholder { color: var(--text-3); }
label.field { display: block; font-size: 14px; font-weight: 600; color: var(--text-2); margin: 14px 0 6px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.consent { font-size: 13px; color: var(--text-3); margin-top: 10px; }
.form-msg { font-size: 15px; margin-top: 10px; min-height: 1.4em; }
.form-msg.ok { color: var(--accent-ink); font-weight: 600; }
.form-msg.err { color: var(--error); }

/* ── Footer ────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--border); padding: 40px 0 56px; color: var(--text-3); font-size: 14px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 18px 28px; align-items: center; justify-content: space-between; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.site-footer a { color: var(--text-2); text-decoration: none; }
.site-footer a:hover { color: var(--text); text-decoration: underline; }

/* ── Legal / text pages ────────────────────────────── */
.doc-page .wrap { max-width: 760px; }
.doc { padding: 40px 0 72px; }
.doc header.doc-head { border-bottom: 2px solid var(--accent); padding-bottom: 18px; margin-bottom: 8px; }
.doc header.doc-head .kicker { color: var(--accent-ink); font-weight: 700; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.doc h1 { font-size: clamp(28px, 5vw, 38px); margin: 8px 0 6px; }
.doc h2 { font-size: 22px; margin: 36px 0 10px; }
.doc h3 { font-size: 18px; margin: 22px 0 6px; }
.doc p, .doc li { color: var(--text); }
.doc p { margin: 10px 0; }
.doc ul { padding-left: 22px; }
.doc li { margin: 6px 0; }
.doc .eff, .doc .muted { color: var(--text-3); }
.doc table { border-collapse: collapse; width: 100%; margin: 14px 0; font-size: 15px; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 10px 12px; border: 1px solid var(--border); }
.doc th { background: var(--bg-2); font-weight: 600; }
.doc hr { border: none; border-top: 1px solid var(--border); margin: 32px 0; }