/* ============================================================
   PDRight — Concept F · Clarity
   Light, premium, calm. Type-restrained, single CTA.
   ============================================================ */

:root {
  --bg: #ffffff;
  --tint: #f6f7f9;
  --ink: #0b1220;
  --muted: #5b6675;
  --hairline: #e7eaef;
  --accent: #3b4de0;
  --accent-tint: #eef0fd;
  --accent-ink: #2c3bc4;

  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(11, 18, 32, 0.04), 0 1px 3px rgba(11, 18, 32, 0.06);
  --shadow-md: 0 4px 16px rgba(11, 18, 32, 0.06), 0 12px 32px rgba(11, 18, 32, 0.06);

  --maxw: 1120px;
  --narrow: 760px;

  --font-head: "Satoshi", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

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

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 22px;
}

.narrow { max-width: var(--narrow); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  z-index: 200;
}
.skip-link:focus { left: 12px; top: 12px; }

/* Focus ring */
a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 8px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  line-height: 1;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 11px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color .18s ease, transform .18s ease, box-shadow .18s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 2px rgba(59, 77, 224, .25);
}
.btn-primary:hover { background: var(--accent-ink); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 15px; border-radius: 9px; }
.btn-lg { min-height: 54px; padding: 0 30px; font-size: 17px; }
.btn-block { width: 100%; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-weight: 500;
  min-height: 44px;
  transition: gap .18s ease, color .18s ease;
}
.text-link svg { transition: transform .18s ease; }
.text-link:hover { color: var(--accent-ink); }
.text-link:hover svg { transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.site-header.scrolled {
  border-bottom-color: var(--hairline);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.wordmark {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: .04em;
  font-size: 18px;
  color: var(--ink);
}
.nav {
  display: none;
  gap: 30px;
  margin-left: auto;
  margin-right: 26px;
}
.nav a {
  font-size: 15px;
  color: var(--muted);
  font-weight: 500;
  transition: color .15s ease;
}
.nav a:hover { color: var(--ink); }

@media (min-width: 768px) {
  .nav { display: flex; }
}

/* ---------- Hero ---------- */
.hero {
  padding: clamp(56px, 11vw, 110px) 0 clamp(48px, 8vw, 84px);
  background:
    radial-gradient(60% 60% at 50% 0%, rgba(59,77,224,.05), transparent 70%);
}
.hero-inner { max-width: 800px; margin-inline: auto; text-align: center; }

.eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

.hero-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.hero-sub {
  margin: 22px auto 0;
  max-width: 60ch;
  font-size: clamp(1.05rem, 1.5vw, 1.18rem);
  line-height: 1.6;
  color: var(--muted);
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 22px;
  align-items: center;
  justify-content: center;
}

.hero-trust {
  margin-top: 30px;
  font-size: 14.5px;
  color: var(--muted);
}

/* ---------- Sections ---------- */
.section { padding: clamp(56px, 9vw, 100px) 0; }

.section-head { text-align: center; margin-bottom: clamp(36px, 5vw, 56px); }
.section-head .eyebrow { margin-bottom: 12px; }

.section-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

/* ---------- Reframe ---------- */
.reframe {
  padding: clamp(48px, 7vw, 80px) 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: var(--tint);
  text-align: center;
}
.reframe-line {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  max-width: 24ch;
  margin-inline: auto;
}
.reframe-body {
  margin: 18px auto 0;
  max-width: 60ch;
  color: var(--muted);
}

/* ---------- How it works ---------- */
.steps {
  list-style: none;
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .steps { grid-template-columns: repeat(3, 1fr); gap: 22px; }
}

.card {
  background: var(--bg);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.step {
  position: relative;
  padding: 28px 26px 30px;
  transition: box-shadow .2s ease, transform .2s ease;
}
.step:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.step-num {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .06em;
}
.step-icon {
  width: 44px;
  height: 44px;
  margin: 14px 0 16px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: var(--accent-tint);
  color: var(--accent);
}
.step-icon svg { width: 24px; height: 24px; }
.step h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.step p { color: var(--muted); font-size: 16px; }

/* ---------- Offer ---------- */
.offer { background: var(--tint); border-top: 1px solid var(--hairline); }
.offer-panel {
  padding: clamp(28px, 4vw, 44px);
  box-shadow: var(--shadow-md);
}
.offer-list { list-style: none; display: grid; gap: 16px; }
.offer-list li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  font-size: 17px;
  line-height: 1.5;
}
.offer-list svg {
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  color: var(--accent);
  background: var(--accent-tint);
  border-radius: 6px;
  padding: 2px;
}
.offer-price {
  margin: 28px 0 24px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
}
.price {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--ink);
}
.price strong {
  font-weight: 700;
  font-size: 1.9rem;
  letter-spacing: -0.01em;
}
.price span { color: var(--muted); font-weight: 500; }
.price-note { margin-top: 6px; font-size: 14.5px; color: var(--muted); }

/* ---------- Differentiator ---------- */
.diff { padding: clamp(44px, 6vw, 72px) 0; text-align: center; }
.diff-line {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  letter-spacing: -0.01em;
  color: var(--muted);
}
.diff-line span { color: var(--ink); font-weight: 700; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--ink);
  color: #fff;
  text-align: center;
}
.cta-inner { display: grid; gap: 18px; justify-items: center; }
.cta-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  max-width: 22ch;
}
.cta-sub { color: #aeb6c6; max-width: 52ch; }
.cta-band .btn-primary { margin-top: 6px; }

/* ---------- Footer ---------- */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--hairline);
  padding: clamp(44px, 6vw, 64px) 0 0;
}
.footer-inner {
  display: grid;
  gap: 32px;
  padding-bottom: 36px;
}
.footer-brand .wordmark { font-size: 18px; }
.footer-brand p { margin-top: 10px; color: var(--muted); font-size: 15px; }
.footer-cols { display: grid; gap: 26px; }
.footer-nav, .footer-contact { display: grid; gap: 12px; }
.footer-nav a, .footer-contact a {
  color: var(--muted);
  font-size: 15px;
  min-height: 24px;
  transition: color .15s ease;
}
.footer-nav a:hover, .footer-contact a:hover { color: var(--ink); }
.footer-contact a { font-weight: 500; color: var(--ink); }

.footer-base {
  border-top: 1px solid var(--hairline);
  padding-block: 22px;
}
.footer-base p { font-size: 14px; color: var(--muted); }

@media (min-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr auto;
    align-items: start;
    gap: 60px;
  }
  .footer-cols { grid-auto-flow: column; gap: 64px; }
}

/* ---------- Concept pill ---------- */
.concept-pill {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 150;
  background: rgba(11, 18, 32, .9);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .02em;
  padding: 7px 13px;
  border-radius: 999px;
  box-shadow: var(--shadow-md);
  pointer-events: none;
}

/* ---------- Reveal motion ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .3s ease, transform .3s ease;
  will-change: opacity, transform;
}
.reveal.in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}