/* PDFPotpis landing — static, no JS required */

:root {
  --ink: #071512;
  --ink-soft: #0e2a22;
  --field: #12352b;
  --mist: #e8f0ec;
  --paper: #f7faf8;
  --muted: #9bb5ab;
  --accent: #d4a84b;
  --accent-deep: #b8892e;
  --line: rgba(232, 240, 236, 0.14);
  --font-brand: "Fraunces", Georgia, serif;
  --font-body: "Figtree", "Segoe UI", sans-serif;
  --max: 68rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--mist);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #e8c36a;
}

code {
  font-size: 0.92em;
  padding: 0.1em 0.35em;
  border-radius: 0.25rem;
  background: rgba(255, 255, 255, 0.08);
}

.skip {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 100;
  padding: 0.5rem 0.75rem;
  background: var(--accent);
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}

.skip:focus {
  top: 1rem;
}

.wrap {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* Top bar */

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7, 21, 18, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.75rem;
}

.logo {
  font-family: var(--font-brand);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1.1rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav a:hover {
  color: var(--paper);
}

.nav__cta {
  color: var(--ink) !important;
  background: var(--accent);
  padding: 0.4rem 0.85rem;
  border-radius: 0.35rem;
  font-weight: 600;
}

.nav__cta:hover {
  background: #e8c36a;
  color: var(--ink) !important;
}

/* Hero */

.hero {
  position: relative;
  min-height: min(92vh, 52rem);
  display: grid;
  align-items: end;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(212, 168, 75, 0.18), transparent 55%),
    radial-gradient(ellipse 70% 50% at 15% 80%, rgba(40, 120, 95, 0.35), transparent 50%),
    linear-gradient(165deg, #0a1f1a 0%, #071512 45%, #0c281f 100%);
  animation: hero-glow 12s var(--ease) infinite alternate;
}

.hero__bg::before {
  content: "";
  position: absolute;
  inset: -20%;
  background-image:
    repeating-linear-gradient(
      -18deg,
      transparent 0,
      transparent 46px,
      rgba(232, 240, 236, 0.025) 46px,
      rgba(232, 240, 236, 0.025) 47px
    );
  mask-image: radial-gradient(ellipse 70% 60% at 60% 40%, #000 20%, transparent 70%);
  animation: grain-drift 28s linear infinite;
}

.hero__bg::after {
  content: "";
  position: absolute;
  width: min(42vw, 28rem);
  height: min(42vw, 28rem);
  right: 8%;
  top: 18%;
  border: 1px solid rgba(212, 168, 75, 0.28);
  border-radius: 50%;
  box-shadow:
    inset 0 0 0 1px rgba(212, 168, 75, 0.08),
    0 0 0 2.5rem rgba(212, 168, 75, 0.04);
  animation: seal-pulse 8s var(--ease) infinite alternate;
}

.hero__inner {
  position: relative;
  padding: 7rem 0 5.5rem;
  max-width: 40rem;
  margin-left: max((100% - var(--max)) / 2 + 1.25rem, 1.25rem);
  margin-right: auto;
  animation: rise 0.9s var(--ease) both;
}

.hero__brand {
  margin: 0 0 1rem;
  font-family: var(--font-brand);
  font-size: clamp(2.75rem, 8vw, 4.75rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-brand);
  font-size: clamp(1.55rem, 3.2vw, 2.15rem);
  font-weight: 500;
  line-height: 1.25;
  color: var(--mist);
  max-width: 18ch;
}

.hero__lead {
  margin: 0 0 2rem;
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 34ch;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
}

.hero__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.hero__meta {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
}

.hero__sha {
  margin: 0;
  max-width: 100%;
  font-size: 0.75rem;
  color: var(--muted);
  word-break: break-all;
}

.hero__sha code {
  font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", Consolas, monospace;
  font-size: 0.7rem;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.4rem;
  border-radius: 0.4rem;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}

.btn--primary {
  color: var(--ink);
  background: var(--accent);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.btn--primary:hover {
  color: var(--ink);
  background: #e8c36a;
  transform: translateY(-2px);
}

.btn--secondary {
  color: var(--mist);
  background: transparent;
  border: 1px solid var(--line);
  box-shadow: none;
}

.btn--secondary:hover {
  border-color: var(--muted);
  color: var(--paper);
  transform: translateY(-2px);
}

.cta__buttons {
  justify-content: center;
  margin-top: 1rem;
}

/* Sections */

.section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--line);
}

.section h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-brand);
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.section__lead {
  margin: 0 0 2.5rem;
  color: var(--muted);
  max-width: 36ch;
}

.section--tone {
  background:
    linear-gradient(180deg, rgba(18, 53, 43, 0.55), rgba(7, 21, 18, 0.2));
}

.privacy {
  max-width: 40rem;
}

.privacy p {
  margin: 0;
  font-size: 1.15rem;
  color: var(--mist);
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2rem;
}

@media (min-width: 720px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
}

.steps li {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
}

.steps__n {
  display: block;
  margin-bottom: 0.85rem;
  font-family: var(--font-brand);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.steps h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--paper);
}

.steps p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

/* FAQ — native details, no JS */

.faq {
  display: grid;
  gap: 0.65rem;
  max-width: 42rem;
  margin-top: 1.75rem;
}

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 0;
}

.faq summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: var(--paper);
  padding-right: 1.5rem;
  position: relative;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  color: var(--accent);
  font-weight: 700;
}

.faq details[open] summary::after {
  content: "–";
}

.faq p {
  margin: 0.75rem 0 0.25rem;
  color: var(--muted);
}

.section--cta {
  text-align: center;
  background:
    radial-gradient(ellipse 60% 80% at 50% 100%, rgba(212, 168, 75, 0.12), transparent 60%);
}

.cta p {
  margin: 0 auto 1.75rem;
  color: var(--muted);
  max-width: 32ch;
}

/* Footer */

.footer {
  padding: 2.5rem 0 3rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer__inner {
  display: grid;
  gap: 0.75rem;
}

.footer strong {
  color: var(--paper);
}

.footer__note {
  margin: 0;
  max-width: 48rem;
}

.footer a {
  color: var(--muted);
}

.footer a:hover {
  color: var(--accent);
}

/* Motion */

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-glow {
  from {
    filter: saturate(1);
  }
  to {
    filter: saturate(1.15) brightness(1.04);
  }
}

@keyframes grain-drift {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-3%, 2%, 0);
  }
}

@keyframes seal-pulse {
  from {
    opacity: 0.55;
    transform: scale(1);
  }
  to {
    opacity: 0.9;
    transform: scale(1.04);
  }
}

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

  .hero__inner,
  .hero__bg,
  .hero__bg::before,
  .hero__bg::after,
  .btn--primary {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 640px) {
  .nav a:not(.nav__cta) {
    display: none;
  }

  .hero__inner {
    padding-top: 5rem;
    padding-bottom: 4rem;
  }

  .hero__bg::after {
    opacity: 0.35;
    right: -10%;
    top: 8%;
  }
}