/* ============================================================
   4PDFs — Design System
   "Anti-Adobe Manifesto" — confident, editorial, dark luxe
   ============================================================ */

/* ---- Tokens ---- */
:root {
  /* Ink (backgrounds, dark surfaces) */
  --ink-900: #0A0908;
  --ink-800: #16130E;
  --ink-700: #1F1B14;
  --ink-600: #2C261C;
  --ink-500: #4A4135;

  /* Cream (foreground, text) */
  --cream-100: #F5F1E8;
  --cream-200: #E8E2D2;
  --cream-300: #C9C1AD;
  --cream-400: #8A8170;

  /* Accents */
  --gold:        #D4A574;
  --gold-bright: #E8B560;
  --rust:        #A4243B;
  --moss:        #5C7A52;

  /* Layout */
  --max-w: 1280px;
  --gutter: 24px;

  /* Type scale */
  --fs-7xl: clamp(3.5rem, 8vw, 6.5rem);  /* hero headline */
  --fs-6xl: clamp(2.75rem, 5.5vw, 4.5rem);
  --fs-5xl: clamp(2.25rem, 4vw, 3.5rem);
  --fs-4xl: clamp(1.875rem, 3vw, 2.5rem);
  --fs-3xl: 1.875rem;
  --fs-2xl: 1.5rem;
  --fs-xl:  1.25rem;
  --fs-lg:  1.125rem;
  --fs-md:  1rem;
  --fs-sm:  0.875rem;
  --fs-xs:  0.75rem;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, h5, h6, p, ul, ol, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg { max-width: 100%; display: block; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
input, textarea, select { font: inherit; color: inherit; }

/* ---- Body ---- */
body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: var(--fs-md);
  line-height: 1.55;
  color: var(--cream-100);
  background: var(--ink-900);
  background-image:
    radial-gradient(ellipse at top left, rgba(212, 165, 116, 0.06), transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(164, 36, 59, 0.04), transparent 50%);
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Subtle grain overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.025;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  mix-blend-mode: overlay;
}

/* ---- Typography ---- */
.display {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 400;
  font-variation-settings: 'opsz' 144, 'SOFT' 30;
  line-height: 1.0;
  letter-spacing: -0.02em;
}
.display-italic {
  font-family: 'Fraunces', Georgia, serif;
  font-style: italic;
  font-weight: 300;
  font-variation-settings: 'opsz' 144, 'SOFT' 100;
}
.eyebrow {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gold);
  font-weight: 500;
}
.subtle { color: var(--cream-300); }
.muted { color: var(--cream-400); }
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }

/* ---- Layout ---- */
.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
  position: relative;
  z-index: 2;
}

.section { padding-block: clamp(64px, 9vw, 128px); }
.section--tight { padding-block: clamp(40px, 6vw, 80px); }

/* ---- Nav ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px) saturate(180%);
  background: rgba(10, 9, 8, 0.75);
  border-bottom: 1px solid rgba(212, 165, 116, 0.12);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 18px;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}
.brand__num {
  color: var(--gold);
  font-weight: 600;
  font-style: italic;
}
.nav__links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav__link {
  font-size: var(--fs-sm);
  color: var(--cream-300);
  transition: color 0.2s var(--ease);
}
.nav__link:hover { color: var(--cream-100); }

@media (max-width: 720px) {
  .nav__links .hide-mobile { display: none; }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 2px;
  transition: all 0.2s var(--ease);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn--primary {
  background: var(--gold);
  color: var(--ink-900);
}
.btn--primary:hover {
  background: var(--gold-bright);
  transform: translateY(-1px);
  box-shadow: 0 12px 32px -8px rgba(212, 165, 116, 0.4);
}
.btn--ghost {
  border: 1px solid var(--ink-500);
  color: var(--cream-200);
}
.btn--ghost:hover {
  border-color: var(--gold);
  color: var(--cream-100);
}
.btn--lg { padding: 18px 36px; font-size: var(--fs-md); }
.btn--block { width: 100%; }

/* ---- Hero ---- */
.hero {
  padding-block: clamp(80px, 12vw, 160px) clamp(48px, 8vw, 96px);
  position: relative;
}
.hero__eyebrow { margin-bottom: 32px; }
.hero__headline {
  font-size: var(--fs-7xl);
  margin-bottom: 32px;
  max-width: 12ch;
}
.hero__lede {
  font-size: var(--fs-xl);
  color: var(--cream-300);
  max-width: 52ch;
  line-height: 1.55;
  margin-bottom: 48px;
}
.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }

.hero__price-strike {
  text-decoration: line-through;
  text-decoration-color: var(--rust);
  text-decoration-thickness: 2px;
  color: var(--cream-400);
}

/* ---- Counter strip ---- */
.counter {
  border-block: 1px solid rgba(212, 165, 116, 0.15);
  padding-block: 32px;
}
.counter__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.counter__item .num {
  font-family: 'Fraunces', serif;
  font-size: var(--fs-4xl);
  color: var(--gold);
  line-height: 1;
  display: block;
  margin-bottom: 8px;
}
.counter__item .label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--cream-400);
}
@media (max-width: 720px) {
  .counter__grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---- Section heads ---- */
.section-head {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
  margin-bottom: 64px;
  align-items: end;
}
.section-head__title {
  font-size: var(--fs-5xl);
  letter-spacing: -0.02em;
}
.section-head__lede {
  font-size: var(--fs-lg);
  color: var(--cream-300);
  max-width: 48ch;
}
@media (max-width: 880px) {
  .section-head { grid-template-columns: 1fr; gap: 24px; }
}

/* ---- Tools grid ---- */
.tools {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1px;
  background: var(--ink-600);
  border: 1px solid var(--ink-600);
}
.tool {
  display: block;
  background: var(--ink-900);
  padding: 32px 28px;
  position: relative;
  transition: background 0.3s var(--ease);
  min-height: 200px;
}
.tool:hover { background: var(--ink-800); }
.tool__icon {
  width: 28px;
  height: 28px;
  margin-bottom: 24px;
  color: var(--gold);
}
.tool__title {
  font-family: 'Fraunces', serif;
  font-size: var(--fs-2xl);
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.tool__desc {
  font-size: var(--fs-sm);
  color: var(--cream-300);
  line-height: 1.5;
}
.tool__arrow {
  position: absolute;
  top: 32px;
  right: 28px;
  color: var(--cream-400);
  transition: all 0.2s var(--ease);
}
.tool:hover .tool__arrow {
  color: var(--gold);
  transform: translate(2px, -2px);
}
.tool--soon .tool__title { color: var(--cream-300); }
.tool--soon::after {
  content: "Day Pass";
  position: absolute;
  bottom: 24px;
  left: 28px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  padding: 4px 8px;
  border: 1px solid var(--gold);
  border-radius: 2px;
}

/* ---- Comparison table ---- */
.compare {
  border: 1px solid var(--ink-600);
  background: var(--ink-800);
}
.compare__row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  border-bottom: 1px solid var(--ink-600);
}
.compare__row:last-child { border-bottom: 0; }
.compare__row > * {
  padding: 18px 24px;
  display: flex;
  align-items: center;
}
.compare__head {
  background: var(--ink-700);
}
.compare__head > * {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cream-400);
}
.compare__cell--feat { color: var(--cream-100); font-weight: 500; }
.compare__cell--check { color: var(--moss); }
.compare__cell--cross { color: var(--rust); }
.compare__cell--gold { color: var(--gold); }
.compare__cell { font-size: var(--fs-sm); color: var(--cream-200); }

@media (max-width: 720px) {
  .compare__row { grid-template-columns: 1.5fr 1fr 1fr; }
  .compare__row > * { padding: 14px 16px; font-size: var(--fs-xs); }
}

/* ---- Day Pass card ---- */
.daypass-card {
  background: linear-gradient(135deg, var(--ink-700) 0%, var(--ink-800) 100%);
  border: 1px solid var(--gold);
  padding: 48px;
  position: relative;
  overflow: hidden;
}
.daypass-card::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(212, 165, 116, 0.15), transparent 70%);
  pointer-events: none;
}
.daypass-card__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
}
.daypass-card__price {
  font-family: 'Fraunces', serif;
  font-size: var(--fs-7xl);
  color: var(--gold);
  line-height: 0.9;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.daypass-card__price-suffix {
  font-size: var(--fs-md);
  color: var(--cream-300);
  font-family: 'Outfit', sans-serif;
}
@media (max-width: 880px) {
  .daypass-card { padding: 32px 24px; }
  .daypass-card__inner { grid-template-columns: 1fr; gap: 32px; }
}

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--ink-600);
  padding-block: 64px 32px;
  margin-top: 96px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer__col h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--cream-400);
  margin-bottom: 16px;
}
.footer__col ul li {
  margin-bottom: 8px;
  font-size: var(--fs-sm);
}
.footer__col ul li a {
  color: var(--cream-200);
  transition: color 0.2s var(--ease);
}
.footer__col ul li a:hover { color: var(--gold); }
.footer__bottom {
  padding-top: 24px;
  border-top: 1px solid var(--ink-600);
  display: flex;
  justify-content: space-between;
  font-size: var(--fs-xs);
  color: var(--cream-400);
  flex-wrap: wrap;
  gap: 16px;
}
@media (max-width: 720px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* ---- Tool pages (interior) ---- */
.tool-page {
  padding-block: 64px;
}
.tool-page__head {
  margin-bottom: 48px;
  max-width: 64ch;
}
.tool-page__title {
  font-size: var(--fs-5xl);
  margin-bottom: 16px;
}
.tool-page__lede {
  font-size: var(--fs-lg);
  color: var(--cream-300);
}
.dropzone {
  border: 1.5px dashed var(--ink-500);
  border-radius: 4px;
  padding: 64px 32px;
  text-align: center;
  transition: all 0.2s var(--ease);
  background: var(--ink-800);
  cursor: pointer;
}
.dropzone:hover, .dropzone--active {
  border-color: var(--gold);
  background: rgba(212, 165, 116, 0.04);
}
.dropzone__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 24px;
  color: var(--cream-400);
}
.dropzone:hover .dropzone__icon, .dropzone--active .dropzone__icon { color: var(--gold); }
.dropzone__text {
  font-family: 'Fraunces', serif;
  font-size: var(--fs-2xl);
  margin-bottom: 8px;
}
.dropzone__sub {
  font-size: var(--fs-sm);
  color: var(--cream-400);
}

.file-list {
  margin-top: 32px;
  border: 1px solid var(--ink-600);
}
.file-row {
  display: grid;
  grid-template-columns: 32px 1fr auto auto;
  gap: 16px;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--ink-600);
  background: var(--ink-800);
}
.file-row:last-child { border-bottom: 0; }
.file-row__num {
  font-family: 'JetBrains Mono', monospace;
  color: var(--cream-400);
  font-size: var(--fs-xs);
}
.file-row__name { font-size: var(--fs-sm); }
.file-row__size {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-xs);
  color: var(--cream-400);
}
.file-row__remove {
  color: var(--cream-400);
  font-size: 1.25rem;
  padding: 4px 8px;
  transition: color 0.2s var(--ease);
}
.file-row__remove:hover { color: var(--rust); }

.action-bar {
  margin-top: 32px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.status {
  margin-top: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-xs);
  color: var(--cream-400);
  letter-spacing: 0.05em;
}
.status--working { color: var(--gold); }
.status--done { color: var(--moss); }
.status--error { color: var(--rust); }

/* Form inputs */
.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}
.field__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--cream-400);
}
.field__input {
  background: var(--ink-800);
  border: 1px solid var(--ink-600);
  padding: 14px 16px;
  border-radius: 2px;
  color: var(--cream-100);
  font-size: var(--fs-md);
  transition: border-color 0.2s var(--ease);
}
.field__input:focus {
  outline: none;
  border-color: var(--gold);
}

/* Reveal animation */
@keyframes reveal {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal {
  animation: reveal 0.8s var(--ease) backwards;
}
.reveal--1 { animation-delay: 0.05s; }
.reveal--2 { animation-delay: 0.15s; }
.reveal--3 { animation-delay: 0.25s; }
.reveal--4 { animation-delay: 0.35s; }
.reveal--5 { animation-delay: 0.45s; }

/* Spin */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}