/* =========================================================
   Tuittupaa Productions Oy — site styles
   Plain CSS, no build step. Design tokens live in :root.
   ========================================================= */

:root {
  /* Brand palette */
  --ink:        #201d3a;   /* deep indigo, primary text on light */
  --ink-soft:   #4a4668;
  --muted:      #6f6b88;
  --bg:         #fbfaf7;   /* warm off-white */
  --surface:    #ffffff;
  --surface-2:  #f3f1ec;
  --line:       #e7e3da;

  --brand:      #4b3fbf;   /* Tuittupaa indigo */
  --brand-deep: #322a8f;
  --accent:     #ff7a59;   /* warm coral */

  --ritu:       #3f9b8f;   /* RituApp calming teal */
  --ritu-soft:  #e6f3f1;
  --bread:      #e8974a;   /* Forgot Bread warm amber */
  --bread-soft: #fbeed9;

  --radius:     18px;
  --radius-sm:  12px;
  --shadow:     0 1px 2px rgba(32,29,58,.06), 0 12px 32px -12px rgba(32,29,58,.18);
  --shadow-lg:  0 24px 60px -20px rgba(32,29,58,.35);

  --maxw: 1080px;
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink:        #f2f0ff;
    --ink-soft:   #c8c4e2;
    --muted:      #9c98bd;
    --bg:         #131126;
    --surface:    #1c1936;
    --surface-2:  #242040;
    --line:       #322d54;

    --brand:      #8b80ff;
    --brand-deep: #6f63f0;
    --accent:     #ff8f72;

    --ritu:       #5cc0b2;
    --ritu-soft:  #16302e;
    --bread:      #f0a860;
    --bread-soft: #33260f;

    --shadow:     0 1px 2px rgba(0,0,0,.4), 0 12px 32px -12px rgba(0,0,0,.55);
    --shadow-lg:  0 24px 60px -20px rgba(0,0,0,.7);
  }
}

/* ----- reset-ish ----- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 1.5rem; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--brand); color: #fff; padding: .6rem 1rem; border-radius: 0 0 8px 0; z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 68px; }

.brand { display: inline-flex; align-items: center; gap: .65rem; text-decoration: none; color: var(--ink); font-weight: 700; }
.brand-mark {
  display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: 11px;
  background: linear-gradient(140deg, var(--brand), var(--brand-deep));
  color: #fff; font-family: var(--font-display); font-weight: 600; font-size: 1.25rem;
  box-shadow: 0 6px 14px -6px var(--brand);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.05; font-size: 1.05rem; }
.brand-sub { font-weight: 500; font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }

.site-nav { display: flex; align-items: center; }
.nav-menu {
  display: flex; align-items: center; gap: 1.6rem;
  list-style: none; margin: 0; padding: 0;
}
.nav-menu a {
  text-decoration: none; color: var(--ink-soft); font-weight: 500; font-size: .95rem;
  padding: .3rem 0; position: relative;
}
.nav-menu a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0;
  background: var(--accent); transition: width .22s ease;
}
.nav-menu a:hover { color: var(--ink); }
.nav-menu a:hover::after { width: 100%; }

.nav-lang { display: inline-flex; align-items: center; gap: .35rem; color: var(--muted); }
.lang-btn {
  background: none; border: 0; cursor: pointer; font: inherit; font-weight: 600; font-size: .9rem;
  color: var(--muted); padding: .2rem .35rem; border-radius: 6px; transition: color .18s;
}
.lang-btn[aria-pressed="true"] { color: var(--brand); }
.lang-btn:hover { color: var(--ink); }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; justify-content: center;
  width: 42px; height: 42px; background: none; border: 0; cursor: pointer; padding: 8px;
}
.nav-toggle span { height: 2px; width: 100%; background: var(--ink); border-radius: 2px; transition: transform .25s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-weight: 600; font-size: 1rem; text-decoration: none; cursor: pointer;
  padding: .85rem 1.5rem; border-radius: 999px; border: 1.5px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 10px 24px -12px var(--brand); }
.btn-primary:hover { background: var(--brand-deep); box-shadow: var(--shadow-lg); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: var(--surface); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: clamp(3.5rem, 10vw, 7rem) 0 clamp(3rem, 8vw, 5.5rem); }
.hero-inner { position: relative; z-index: 1; max-width: 760px; }
.eyebrow {
  margin: 0 0 1rem; font-weight: 600; font-size: .82rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent);
}
.hero-title {
  font-family: var(--font-display); font-weight: 600; letter-spacing: -.01em;
  font-size: clamp(2.3rem, 6vw, 4rem); line-height: 1.05; margin: 0 0 1.25rem; color: var(--ink);
}
.hero-lead { font-size: clamp(1.05rem, 2.2vw, 1.3rem); color: var(--ink-soft); margin: 0 0 2rem; max-width: 58ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; }

.hero-glow {
  position: absolute; z-index: 0; inset: auto -10% 20% auto; right: -12%; top: -18%;
  width: 620px; height: 620px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, color-mix(in srgb, var(--brand) 45%, transparent), transparent 62%),
              radial-gradient(circle at 70% 65%, color-mix(in srgb, var(--accent) 40%, transparent), transparent 60%);
  filter: blur(30px); opacity: .55; pointer-events: none;
}

/* ---------- Sections ---------- */
.section { padding: clamp(3.5rem, 9vw, 6rem) 0; }
.section--muted { background: var(--surface-2); border-block: 1px solid var(--line); }
.section-head { max-width: 640px; margin: 0 auto clamp(2rem, 5vw, 3rem); text-align: center; }
.section-head h2, .section h2 {
  font-family: var(--font-display); font-weight: 600; letter-spacing: -.01em;
  font-size: clamp(1.8rem, 4vw, 2.6rem); margin: 0 0 .6rem; color: var(--ink);
}
.section-head p { margin: 0; color: var(--muted); font-size: 1.1rem; }

/* ---------- Apps ---------- */
.apps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.app-card {
  position: relative; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow);
  display: flex; flex-direction: column; transition: transform .2s ease, box-shadow .25s ease;
  overflow: hidden;
}
.app-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 5px;
  background: var(--card-accent, var(--brand));
}
.app-card--ritu  { --card-accent: var(--ritu); }
.app-card--bread { --card-accent: var(--bread); }
.app-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.app-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.1rem; }
.app-icon {
  display: grid; place-items: center; width: 56px; height: 56px; border-radius: 15px;
  font-size: 1.7rem; background: var(--card-soft, var(--surface-2));
}
.app-card--ritu  .app-icon { background: var(--ritu-soft); }
.app-card--bread .app-icon { background: var(--bread-soft); }
.app-tag {
  font-size: .74rem; font-weight: 600; letter-spacing: .07em; text-transform: uppercase;
  padding: .35rem .7rem; border-radius: 999px; color: var(--card-accent);
  background: color-mix(in srgb, var(--card-accent) 12%, transparent);
}
.app-name { font-family: var(--font-display); font-weight: 600; font-size: 1.6rem; margin: 0 0 .6rem; color: var(--ink); }
.app-desc { color: var(--ink-soft); margin: 0 0 1.2rem; }
.app-points { list-style: none; margin: 0 0 1.5rem; padding: 0; display: grid; gap: .55rem; }
.app-points li { position: relative; padding-left: 1.6rem; color: var(--ink-soft); font-size: .97rem; }
.app-points li::before {
  content: ""; position: absolute; left: 0; top: .55em; width: .7rem; height: .7rem; border-radius: 50%;
  background: var(--card-accent); opacity: .9;
}
.app-status {
  margin-top: auto; align-self: flex-start;
  font-size: .8rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase;
  color: var(--muted); background: var(--surface-2); border: 1px solid var(--line);
  padding: .4rem .8rem; border-radius: 999px;
}

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.about-copy p { color: var(--ink-soft); font-size: 1.08rem; margin: 0 0 1.1rem; max-width: 52ch; }
.values { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.values li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1.2rem 1.4rem; box-shadow: var(--shadow); }
.values h3 { margin: 0 0 .25rem; font-size: 1.1rem; color: var(--ink); }
.values p { margin: 0; color: var(--muted); font-size: .96rem; }

/* ---------- Contact ---------- */
.contact-inner { text-align: center; max-width: 620px; margin-inline: auto; }
.contact-inner p { color: var(--ink-soft); font-size: 1.1rem; margin: 0 0 1.8rem; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--surface); padding: 2.5rem 0; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; }
.footer-brand { display: inline-flex; align-items: center; gap: .6rem; font-weight: 600; color: var(--ink); }
.footer-brand .brand-mark { width: 32px; height: 32px; font-size: 1.05rem; }
.footer-note { margin: 0; color: var(--muted); font-size: .9rem; }
.footer-sep { margin: 0 .5rem; opacity: .6; }

/* ---------- Responsive nav ---------- */
@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 1rem;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: 1.25rem 1.5rem; box-shadow: var(--shadow);
    transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
  }
  .nav-menu.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-lang { margin-top: .25rem; }
  .about-grid { grid-template-columns: 1fr; }
}

/* focus visibility */
a:focus-visible, button:focus-visible, .btn:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--brand) 60%, transparent); outline-offset: 2px; border-radius: 6px;
}