/* ===================== Tokens (dark theme) ===================== */
:root {
  --bg:        #0a0b0f;
  --surface:   #12141c;
  --surface-2: #171a24;
  --border:    #262a38;
  --text:      #eef1f7;
  --muted:     #9aa3b6;
  --accent:    #7c6cff;
  --accent-2:  #4de3c1;
  --accent-ink:#0a0b0f;
  --danger:    #ff6b6b;

  --radius:   14px;
  --radius-sm:10px;
  --maxw:     1120px;
  --shadow:   0 20px 60px -20px rgba(0, 0, 0, 0.6);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
          "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
}

/* ===================== Reset ===================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
img, svg { max-width: 100%; }

/* ===================== Layout ===================== */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 24px;
}
.container--narrow { max-width: 720px; }

.section { padding-block: 96px; }
.section--alt { background: var(--surface); border-block: 1px solid var(--border); }
.section__head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section__title { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 700; letter-spacing: -0.02em; }
.section__lead { margin-top: 14px; color: var(--muted); font-size: 1.075rem; }

/* ===================== Nav ===================== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav__inner { display: flex; align-items: center; gap: 24px; height: 68px; }
.nav__links { display: flex; gap: 28px; margin-left: auto; }
.nav__links a { color: var(--muted); font-size: 0.95rem; transition: color 0.15s; }
.nav__links a:hover { color: var(--text); }
.nav__actions { display: flex; align-items: center; gap: 10px; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; }
.brand__mark {
  width: 22px; height: 22px; border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 20px -4px var(--accent);
}
.brand__name { font-size: 1.15rem; letter-spacing: -0.01em; }

/* ===================== Buttons ===================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 600; font-size: 0.95rem; cursor: pointer;
  transition: transform 0.12s ease, background 0.15s, border-color 0.15s, opacity 0.15s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }
.btn--primary { background: linear-gradient(135deg, var(--accent), #6a5bff); color: #fff; box-shadow: 0 10px 30px -12px var(--accent); }
.btn--primary:hover { filter: brightness(1.06); }
.btn--ghost { background: var(--surface-2); border-color: var(--border); color: var(--text); }
.btn--ghost:hover { border-color: var(--muted); }
.btn--lg { padding: 14px 26px; font-size: 1.02rem; }
.btn--block { width: 100%; }
/* Keep multi-word labels (with inline spans) as one flex item so gap doesn't split words. */
.btn__label { white-space: nowrap; }

/* ===================== Hero ===================== */
.hero { position: relative; padding-block: 110px 96px; text-align: center; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -20% 0 auto 0; height: 520px; z-index: -1;
  background:
    radial-gradient(600px 300px at 50% 0%, color-mix(in srgb, var(--accent) 32%, transparent), transparent 70%),
    radial-gradient(500px 260px at 80% 10%, color-mix(in srgb, var(--accent-2) 18%, transparent), transparent 70%);
  filter: blur(6px);
}
.hero__inner { max-width: 800px; margin-inline: auto; }
.eyebrow {
  display: inline-block; text-transform: uppercase; letter-spacing: 0.14em;
  font-size: 0.78rem; font-weight: 600; color: var(--accent-2);
  padding: 6px 12px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface);
}
.hero__title {
  margin-top: 22px; font-size: clamp(2.2rem, 6vw, 3.75rem);
  line-height: 1.08; font-weight: 800; letter-spacing: -0.03em;
}
.hero__subtitle { margin-top: 20px; font-size: clamp(1.05rem, 2.2vw, 1.25rem); color: var(--muted); }
.hero__scope {
  margin-top: 24px; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
}
.hero__scope li {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface); color: var(--text); font-size: 0.88rem; font-weight: 500;
}
.hero__scope-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 10px -1px var(--accent);
}
.hero__actions { margin-top: 34px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero__note { margin-top: 18px; font-size: 0.9rem; color: var(--muted); }

/* ===================== Grids / cards ===================== */
.grid { display: grid; gap: 22px; }
.grid--features { grid-template-columns: repeat(3, 1fr); }
.grid--pricing { grid-template-columns: repeat(4, 1fr); align-items: start; gap: 18px; }

.card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.feature__icon {
  width: 46px; height: 46px; display: grid; place-items: center;
  font-size: 1.4rem; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--border); margin-bottom: 16px;
}
.feature__title { font-size: 1.15rem; font-weight: 700; }
.feature__body { margin-top: 8px; color: var(--muted); font-size: 0.98rem; }

/* ===================== Pricing ===================== */
.price { display: flex; flex-direction: column; position: relative; }
.price--featured {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow: var(--shadow);
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 10%, var(--surface-2)), var(--surface-2));
}
.price__badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--accent-ink);
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 999px;
}
.price__name { font-size: 1.1rem; font-weight: 700; color: var(--muted); }
.price__amount { margin-top: 10px; font-size: 2.6rem; font-weight: 800; letter-spacing: -0.02em; }
.price__amount--custom { font-size: 2.1rem; }
.price__currency { font-size: 1.4rem; vertical-align: super; margin-right: 2px; color: var(--muted); }
.price__period { font-size: 1rem; font-weight: 500; color: var(--muted); }
.price__storage {
  margin-top: 10px; padding: 8px 10px; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--border);
  color: var(--muted); font-size: 0.82rem;
}
.price__storage strong { color: var(--text); font-weight: 700; }
.price__desc { margin-top: 12px; color: var(--muted); font-size: 0.95rem; }
.price__features { margin-top: 20px; display: grid; gap: 10px; flex: 1 1 auto; }
.price__features li { position: relative; padding-left: 26px; font-size: 0.95rem; }
.price__features li::before {
  content: ""; position: absolute; left: 0; top: 0.55em;
  width: 14px; height: 8px; border-left: 2px solid var(--accent-2); border-bottom: 2px solid var(--accent-2);
  transform: rotate(-45deg) translateY(-1px);
}
.price .btn { margin-top: 24px; }
.price__fineprint { margin-top: 10px; text-align: center; font-size: 0.82rem; color: var(--muted); }
.pricing__footnote { margin-top: 28px; text-align: center; color: var(--muted); font-size: 0.85rem; }

/* ===================== Contact form ===================== */
.form { display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form__field { display: grid; gap: 6px; }
.form__label { font-size: 0.9rem; color: var(--muted); font-weight: 500; }
.form__input {
  width: 100%; padding: 12px 14px; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--border); color: var(--text);
  font: inherit; font-size: 0.98rem; transition: border-color 0.15s, box-shadow 0.15s;
}
.form__input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 30%, transparent); }
textarea.form__input { resize: vertical; }
.form__field--invalid .form__input { border-color: var(--danger); }
.form__error { font-size: 0.82rem; color: var(--danger); min-height: 1em; }
.form__status { text-align: center; font-size: 0.95rem; min-height: 1.2em; }
.form__status--ok { color: var(--accent-2); }
.form__status--err { color: var(--danger); }
.form__hp { position: absolute; left: -9999px; }
.form__alt { margin-top: 18px; text-align: center; color: var(--muted); font-size: 0.92rem; }
.form__alt a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 2px; }
.form__alt a:hover { color: var(--text); }

/* ===================== Footer ===================== */
.footer { border-top: 1px solid var(--border); background: var(--surface); padding-block: 40px; }
.footer__inner { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer__copy { color: var(--muted); font-size: 0.9rem; margin-left: auto; }
.footer__brand-link { color: var(--text); text-decoration: none; }
.footer__brand-link:hover { color: var(--accent-2); text-decoration: underline; text-underline-offset: 2px; }
.footer__links { display: flex; gap: 22px; }
.footer__links a { color: var(--muted); font-size: 0.9rem; }
.footer__links a:hover { color: var(--text); }

/* ===================== Responsive ===================== */
@media (max-width: 980px) {
  .grid--features { grid-template-columns: repeat(2, 1fr); }
  /* 4 pricing tiers -> 2x2 on tablet. */
  .grid--pricing { grid-template-columns: repeat(2, 1fr); max-width: 640px; margin-inline: auto; }
}
@media (max-width: 640px) {
  .section { padding-block: 68px; }
  .nav__links { display: none; }
  /* No text nav on mobile: push the auth buttons to the right and slim them so both fit. */
  .nav__actions { margin-left: auto; gap: 8px; }
  .nav__actions .btn { padding: 8px 12px; font-size: 0.85rem; }
  .grid--features { grid-template-columns: 1fr; }
  .grid--pricing { grid-template-columns: 1fr; max-width: 420px; }
  /* Float the recommended tier to the top when stacked. */
  .price--featured { order: -1; }
  .form__row { grid-template-columns: 1fr; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
  .footer__copy { margin-left: 0; order: 3; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn:hover { transform: none; }
}