/* ============================================================
   DIYPO — editorial / minimal landing page
   Palette: gold + purple accent on warm white
   ============================================================ */

:root {
  --ink: #0b0b0f;
  --ink-2: #3a3a44;
  --muted: #6b6b76;
  --paper: #fcfcf9;
  --paper-2: #f6f5f0;
  --line: #e7e7e2;
  --line-2: #ddddd6;

  --purple: #9334e9;
  --purple-deep: #6b21a8;
  --gold: #fbbf24;
  --gold-deep: #f59e0b;

  --grad: linear-gradient(100deg, var(--purple) 0%, #b13fd6 38%, var(--gold-deep) 78%, var(--gold) 100%);

  --maxw: 1120px;
  --pad: clamp(20px, 5vw, 48px);

  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;

  --radius: 16px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 92px; }

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.02em; line-height: 1.08; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }

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

.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--purple); outline-offset: 3px; border-radius: 4px; }

/* ---------- Buttons ---------- */
.btn {
  --b: var(--ink);
  display: inline-flex; align-items: center; gap: 0.5em;
  font-weight: 600; font-size: 0.96rem; letter-spacing: -0.01em;
  padding: 11px 20px; border-radius: 999px;
  border: 1px solid var(--b); background: transparent; color: var(--ink);
  cursor: pointer; transition: transform 0.2s var(--ease), box-shadow 0.25s var(--ease), background 0.25s, color 0.25s;
}
.btn span { transition: transform 0.25s var(--ease); }
.btn:hover span { transform: translateX(3px); }

.btn--primary {
  background: var(--ink); color: var(--paper); border-color: var(--ink);
}
.btn--primary:hover {
  background: var(--grad); border-color: transparent; color: #fff;
  box-shadow: 0 10px 30px -10px rgba(147, 52, 233, 0.55);
  transform: translateY(-1px);
}
.btn--ghost { background: transparent; border-color: var(--line-2); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); transform: translateY(-1px); }
.btn--lg { padding: 14px 26px; font-size: 1.02rem; }
.btn--block { display: flex; justify-content: center; width: 100%; }

/* ---------- Brand ---------- */
.brand { display: inline-flex; align-items: center; gap: 9px; }
.brand__mark {
  width: 22px; height: 22px; border-radius: 7px; background: var(--grad);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.25);
}
.brand__word { font-weight: 700; font-size: 1.18rem; letter-spacing: -0.03em; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(252, 252, 249, 0.7);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.nav.scrolled { border-bottom-color: var(--line); background: rgba(252, 252, 249, 0.88); }
.nav__inner { display: flex; align-items: center; gap: 24px; height: 72px; }
.nav__links { display: flex; gap: 28px; margin-left: auto; }
.nav__links a { color: var(--ink-2); font-size: 0.95rem; font-weight: 500; position: relative; }
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -5px; height: 2px; width: 0;
  background: var(--grad); transition: width 0.25s var(--ease);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { width: 100%; }
.nav__cta { display: flex; }

.nav__toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: 0;
  padding: 8px; margin-left: auto; cursor: pointer;
}
.nav__toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: 0.25s var(--ease); }
.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); }

.mobile-nav[hidden] { display: none; }
.mobile-nav {
  display: flex; flex-direction: column; gap: 4px;
  padding: 8px var(--pad) 22px; border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.mobile-nav a { padding: 12px 4px; font-weight: 500; color: var(--ink-2); border-bottom: 1px solid var(--line); }
.mobile-nav a:last-child { border: 0; margin-top: 12px; }
.mobile-nav .btn { color: var(--paper); }

/* ---------- Hero ---------- */
.hero { padding-top: clamp(56px, 9vw, 110px); padding-bottom: clamp(40px, 7vw, 80px); text-align: center; }
.eyebrow {
  font-size: 0.82rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted); font-weight: 600; margin-bottom: 26px;
}
.hero__title { font-size: clamp(3rem, 9vw, 6.4rem); letter-spacing: -0.045em; }
.hero__sub {
  font-family: var(--serif); font-size: clamp(1.15rem, 2.4vw, 1.5rem); line-height: 1.45;
  color: var(--ink-2); max-width: 660px; margin: 28px auto 0;
}
.oneTwoThree { font-family: var(--sans); font-weight: 700; color: var(--purple-deep); white-space: nowrap; }
.hero__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 36px; }
.hero__trust { color: var(--muted); font-size: 0.9rem; margin-top: 22px; }

/* hero product panel */
.hero__panel {
  margin: clamp(48px, 8vw, 84px) auto 0; max-width: 880px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: 0 40px 80px -50px rgba(20, 8, 40, 0.45); overflow: hidden; text-align: left;
}
.panel__bar {
  display: flex; align-items: center; gap: 7px; padding: 13px 18px;
  border-bottom: 1px solid var(--line); background: var(--paper-2);
}
.panel__dot { width: 11px; height: 11px; border-radius: 50%; background: var(--line-2); }
.panel__tab {
  margin-left: 14px; font-size: 0.82rem; font-weight: 600; color: var(--muted);
  background: #fff; border: 1px solid var(--line); padding: 4px 12px; border-radius: 999px;
}
.panel__body { padding: 6px 0 0; }
.panel__row {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.1fr 0.9fr; gap: 12px; align-items: center;
  padding: 13px clamp(16px, 3vw, 26px); border-bottom: 1px solid var(--line);
  font-size: 0.92rem; font-variant-numeric: tabular-nums;
}
.panel__row span:not(.pill) { color: var(--ink-2); }
.panel__row--head { font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.panel__row--head span { color: var(--muted) !important; font-weight: 600; }
.pill {
  justify-self: start; font-size: 0.72rem; font-weight: 600; padding: 3px 10px; border-radius: 999px;
  background: var(--paper-2); color: var(--muted); border: 1px solid var(--line);
}
.pill--ok { background: rgba(34,160,90,0.1); color: #1c7a47; border-color: rgba(34,160,90,0.25); }
.pill--go { background: rgba(147,52,233,0.1); color: var(--purple-deep); border-color: rgba(147,52,233,0.25); }
.panel__foot {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 18px clamp(16px, 3vw, 26px); background: var(--paper-2);
}
.panel__foot span { color: var(--muted); font-size: 0.88rem; }
.panel__foot strong { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; color: var(--ink); font-variant-numeric: tabular-nums; }

/* ---------- Generic section ---------- */
.section { padding-block: clamp(64px, 10vw, 120px); border-top: 1px solid var(--line); }
.section__head { max-width: 720px; margin-bottom: clamp(40px, 6vw, 64px); }
.kicker {
  font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 600;
  color: var(--purple-deep); margin-bottom: 16px;
}
.section__title { font-size: clamp(1.9rem, 4.4vw, 3rem); letter-spacing: -0.035em; }
.section__lede { margin-top: 18px; font-size: 1.1rem; color: var(--muted); max-width: 620px; }

/* ---------- Features grid ---------- */
/* Per-card hairlines (not gap-reveal) so an incomplete last row shows blank paper, not a gray cell. */
.grid--features { display: grid; grid-template-columns: repeat(3, 1fr); background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.card { background: var(--paper); padding: 30px 28px; transition: background 0.3s var(--ease); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.card:nth-child(3n) { border-right: 0; }
.card:last-child { border-right: 0; }
.card:hover { background: #fff; }
.card__icon {
  display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 12px;
  color: var(--purple-deep); background: rgba(147, 52, 233, 0.08);
  border: 1px solid rgba(147, 52, 233, 0.16); margin-bottom: 18px;
}
.card__icon svg { width: 22px; height: 22px; }
.card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 0.95rem; }

/* ---------- Steps ---------- */
.steps { list-style: none; margin: 0; padding: 0; max-width: 760px; counter-reset: none; }
.step {
  display: grid; grid-template-columns: auto 1fr; gap: clamp(20px, 4vw, 44px); align-items: start;
  padding: 30px 0; border-bottom: 1px solid var(--line); position: relative;
}
.step:last-child { border-bottom: 0; }
.step__num {
  font-family: var(--serif); font-size: clamp(2.2rem, 5vw, 3.2rem); font-weight: 600;
  line-height: 1; color: var(--line-2); letter-spacing: -0.02em; transition: color 0.5s var(--ease);
  min-width: 1.6em;
}
.step.is-active .step__num { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.step__body h3 { font-size: 1.3rem; margin-bottom: 8px; }
.step__body p { color: var(--muted); }

/* ---------- CTA ---------- */
.cta { padding-block: clamp(64px, 9vw, 110px); }
.cta__card {
  position: relative; overflow: hidden; text-align: center;
  background: var(--ink); color: var(--paper); border-radius: 28px;
  padding: clamp(48px, 8vw, 88px) var(--pad);
}
.cta__card::before {
  content: ""; position: absolute; inset: -40% -10% auto -10%; height: 80%;
  background: radial-gradient(60% 100% at 30% 0%, rgba(147,52,233,0.55), transparent 60%),
              radial-gradient(50% 90% at 80% 10%, rgba(251,191,36,0.45), transparent 60%);
  filter: blur(10px); opacity: 0.9; pointer-events: none;
}
.cta__card > * { position: relative; }
.cta__card .kicker { color: var(--gold); }
.cta__title { font-size: clamp(2rem, 5vw, 3.2rem); letter-spacing: -0.035em; }
.cta__sub { color: rgba(252,252,249,0.72); max-width: 520px; margin: 20px auto 34px; font-size: 1.08rem; }
.cta__card .btn--primary { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.cta__card .btn--primary:hover { background: var(--grad); color: #fff; border-color: transparent; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding-top: clamp(48px, 7vw, 80px); }
.footer__inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer__brand p { color: var(--muted); font-size: 0.94rem; margin-top: 16px; max-width: 280px; }
.social { display: flex; gap: 10px; margin-top: 20px; }
.social a {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px;
  border: 1px solid var(--line); color: var(--ink-2); transition: 0.25s var(--ease);
}
.social a:hover { color: #fff; background: var(--grad); border-color: transparent; transform: translateY(-2px); }
.social svg { width: 17px; height: 17px; }
.footer__col h4 { font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.footer__col a { display: block; color: var(--ink-2); font-size: 0.94rem; padding: 5px 0; }
.footer__col a:hover { color: var(--purple-deep); }
.footer__bottom {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding-block: 26px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.86rem;
}

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }
  .grid--features { grid-template-columns: repeat(2, 1fr); }
  .card { border-right: 1px solid var(--line); }
  .card:nth-child(2n) { border-right: 0; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero__title { font-size: clamp(2.4rem, 13vw, 3.6rem); letter-spacing: -0.04em; }
  .grid--features { grid-template-columns: 1fr; }
  .card { border-right: 0; }
  .panel__row { grid-template-columns: 1.4fr 1fr 0.9fr; }
  .panel__row span:nth-child(3), .panel__row span:nth-child(4) { display: none; }
  .panel__row--head span:nth-child(3), .panel__row--head span:nth-child(4) { display: none; }
  .hero__actions .btn { flex: 1 1 auto; justify-content: center; }
  .footer__bottom { flex-direction: column; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation: none !important; }
}