/* =============================================================
   DigitalHole — Stylesheet
   Aesthetic: dark void, brutal minimalism, serif gravitas.
   ============================================================= */

:root {
  --void:        #0a0a0c;
  --void-2:      #0d0d10;
  --deep:        #050506;
  --bone:        #e8e2d5;
  --bone-dim:    #bcb7ac;
  --ash:         #6b6b6b;
  --ash-2:       #3a3a3c;
  --ember:       #d8a26b;
  --ember-dim:   #8a6743;
  --ember-glow:  rgba(216, 162, 107, 0.18);
  --line:        rgba(232, 226, 213, 0.08);
  --line-strong: rgba(232, 226, 213, 0.22);

  --serif:  'Fraunces', 'Times New Roman', serif;
  --mono:   'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--void);
  color: var(--bone);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: var(--bone-dim);
  text-decoration: none;
  transition: color 160ms ease;
}
a:hover { color: var(--ember); }

button { font-family: inherit; color: inherit; cursor: pointer; }

/* Film-grain overlay */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  mix-blend-mode: overlay;
}

/* =============================================================
   Top bar
   ============================================================= */
.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 36px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  color: var(--bone);
}
.brand__mark {
  font-size: 22px;
  color: var(--ember);
  transform: translateY(2px);
  animation: pulse 4s ease-in-out infinite;
}
.brand__word { font-weight: 500; letter-spacing: 0.06em; }

.topnav {
  display: flex;
  gap: 28px;
}
.topnav a {
  text-transform: lowercase;
  letter-spacing: 0.05em;
}

@keyframes pulse {
  0%, 100% { opacity: 0.7; }
  50%      { opacity: 1; }
}

/* =============================================================
   Stage + hole visual
   ============================================================= */
.stage {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 120px 24px 80px;
  text-align: center;
  overflow: hidden;
}

.hole {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 0;
}
#voidCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hole__core {
  position: absolute;
  width: 520px;
  max-width: 80vw;
  aspect-ratio: 1/1;
  border-radius: 50%;
  background: radial-gradient(
    circle at center,
    #000 0%,
    #000 28%,
    rgba(5, 5, 6, 0.85) 48%,
    rgba(10, 10, 12, 0.4) 72%,
    transparent 100%
  );
  filter: blur(2px);
  z-index: 0;
}
.hole__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--line);
  pointer-events: none;
}
.hole__ring--1 {
  width: 640px; max-width: 86vw; aspect-ratio: 1/1;
  border-color: rgba(232, 226, 213, 0.06);
  animation: ringspin 120s linear infinite;
}
.hole__ring--2 {
  width: 880px; max-width: 110vw; aspect-ratio: 1/1;
  border-color: rgba(232, 226, 213, 0.04);
  animation: ringspin 200s linear infinite reverse;
}
.hole__ring--3 {
  width: 1200px; max-width: 140vw; aspect-ratio: 1/1;
  border-color: rgba(232, 226, 213, 0.025);
  animation: ringspin 320s linear infinite;
}
@keyframes ringspin {
  from { transform: rotate(0deg);   }
  to   { transform: rotate(360deg); }
}

/* =============================================================
   Hero
   ============================================================= */
.hero {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  animation: rise 900ms cubic-bezier(.2,.7,.2,1) both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ash);
  margin: 0 0 28px;
}
.dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 12px var(--ember-glow);
  animation: pulse 2.6s ease-in-out infinite;
}

.hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 6.5vw, 78px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  color: var(--bone);
}
.hero__title em {
  font-style: italic;
  color: var(--bone-dim);
  font-weight: 300;
  /* Fraunces optical size trick */
  font-variation-settings: "opsz" 144;
}

.hero__lede {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.55;
  color: var(--bone-dim);
  max-width: 52ch;
  margin: 0 auto 52px;
}

/* =============================================================
   THE DONATE BUTTON — centerpiece
   ============================================================= */
.donate {
  --size: 260px;
  position: relative;
  width: var(--size);
  height: var(--size);
  margin: 0 auto;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(circle at center,
      rgba(216, 162, 107, 0.06) 0%,
      rgba(10, 10, 12, 0.6) 60%,
      rgba(10, 10, 12, 0.9) 100%);
  color: var(--bone);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-family: var(--serif);
  transition:
    transform 340ms cubic-bezier(.2,.7,.2,1),
    border-color 340ms ease,
    box-shadow 340ms ease;
  box-shadow:
    0 0 0 0 rgba(216, 162, 107, 0),
    inset 0 0 40px rgba(0,0,0,0.6);
  cursor: pointer;
  outline: none;
}
.donate::before {
  /* orbital hairline */
  content: "";
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  border: 1px dashed rgba(232, 226, 213, 0.08);
  animation: ringspin 40s linear infinite;
  pointer-events: none;
}
.donate::after {
  /* outer glow */
  content: "";
  position: absolute;
  inset: -40px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--ember-glow) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 500ms ease;
  pointer-events: none;
  z-index: -1;
}
.donate:hover,
.donate:focus-visible {
  transform: translateY(-2px) scale(1.015);
  border-color: var(--ember);
  box-shadow:
    0 0 0 8px rgba(216, 162, 107, 0.08),
    inset 0 0 60px rgba(216, 162, 107, 0.06);
}
.donate:hover::after,
.donate:focus-visible::after { opacity: 1; }
.donate:active { transform: translateY(0) scale(0.99); }

.donate__label {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 11px;
  color: var(--ash);
}
.donate__amount {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 74px;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--bone);
  font-variation-settings: "opsz" 144;
}
.donate__sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  color: var(--bone-dim);
  margin-top: 6px;
}

.hero__methods {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ash);
  margin: 32px 0 0;
}
.hero__speed {
  display: inline-block;
  margin-left: 8px;
  color: var(--ember-dim);
  font-style: italic;
  text-transform: none;
  letter-spacing: 0.02em;
}

.metrics {
  list-style: none;
  padding: 0;
  margin: 60px 0 0;
  display: flex;
  justify-content: center;
  gap: 56px;
  flex-wrap: wrap;
}
.metrics li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.metrics__num {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 26px;
  color: var(--bone);
  font-variation-settings: "opsz" 144;
}
.metrics__lbl {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ash);
}

/* =============================================================
   Footer
   ============================================================= */
.foot {
  position: fixed;
  inset: auto 0 0 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  padding: 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ash);
  z-index: 5;
}
.foot__sep { color: var(--ash-2); }

/* =============================================================
   Modal
   ============================================================= */
.modal[open] {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  max-width: none;
  max-height: none;
  margin: 0;
  border: none;
  background: rgba(5, 5, 7, 0.86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  color: var(--bone);
  padding: 0;
  animation: fade 240ms ease;
  display: grid;
  place-items: center;
  z-index: 1000;
}
.modal::backdrop { background: transparent; }
@keyframes fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal__inner {
  width: min(480px, 92vw);
  background: var(--void-2);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  padding: 44px 40px 36px;
  position: relative;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
}
.modal__close {
  position: absolute;
  top: 10px; right: 14px;
  background: transparent;
  border: 0;
  font-size: 28px;
  line-height: 1;
  color: var(--ash);
  padding: 6px 10px;
}
.modal__close:hover { color: var(--bone); }

.modal__title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 28px;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
  color: var(--bone);
}
.modal__sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--bone-dim);
  margin: 0 0 26px;
}

.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--line);
  margin: 0 0 22px;
}
.tab {
  flex: 1;
  background: transparent;
  border: 0;
  padding: 12px 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ash);
  border-bottom: 2px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}
.tab.is-active {
  color: var(--bone);
  border-bottom-color: var(--ember);
}

.pay-panel { min-height: 180px; }
.pay-msg {
  font-family: var(--serif);
  font-size: 14px;
  color: var(--bone-dim);
  margin: 12px 0 18px;
  min-height: 18px;
}

.btn-primary {
  width: 100%;
  padding: 16px 22px;
  border: 1px solid var(--bone);
  background: var(--bone);
  color: var(--deep);
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  border-radius: 2px;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 16px;
}
.btn-primary:hover {
  background: var(--ember);
  border-color: var(--ember);
  color: var(--deep);
}
.btn-primary:disabled { opacity: 0.5; cursor: wait; }

.btn__spinner {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-right-color: transparent;
  animation: spin 700ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* =============================================================
   Shared page containers (bury / hole / auth / about)
   ============================================================= */
.page {
  max-width: 640px;
  margin: 0 auto;
  padding: 120px 24px 120px;
  position: relative;
  z-index: 2;
}
.page__title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(32px, 4.5vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--bone);
}
.page__title em { font-style: italic; color: var(--bone-dim); }
.page__sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: 17px;
  color: var(--bone-dim);
  margin: 0 0 40px;
}

/* Forms */
form.form { display: flex; flex-direction: column; gap: 20px; }
.form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ash);
}
.form input[type="text"],
.form input[type="email"],
.form input[type="password"],
.form input[type="url"],
.form textarea {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  color: var(--bone);
  font-family: var(--serif);
  font-size: 17px;
  padding: 10px 0;
  outline: none;
  transition: border-color 160ms ease;
}
.form input:focus, .form textarea:focus {
  border-bottom-color: var(--ember);
}
.form textarea { resize: vertical; min-height: 120px; line-height: 1.55; }

.captcha-label {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: 14px !important;
  padding: 10px 14px;
  border: 1px dashed var(--line-strong);
  border-radius: 2px;
}
.captcha-label input {
  width: 80px !important;
  padding: 4px 0 !important;
  font-size: 16px !important;
}

.form__actions { display: flex; gap: 14px; align-items: center; margin-top: 10px; }
.form__error {
  font-family: var(--mono);
  font-size: 12px;
  color: #d87a6b;
  border-left: 2px solid #d87a6b;
  padding: 8px 12px;
  background: rgba(216, 122, 107, 0.06);
}
.form__success {
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
  color: var(--ember);
  border-left: 2px solid var(--ember);
  padding: 8px 12px;
}

/* Memory cards for /hole.php */
.memory {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.memory:last-child { border-bottom: 1px solid var(--line); }
.memory__meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ash);
  margin-bottom: 8px;
}
.memory__title {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 300;
  color: var(--bone);
  margin: 0 0 6px;
}
.memory__body {
  font-family: var(--serif);
  color: var(--bone-dim);
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.memory__url {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ember-dim);
  display: inline-block;
  margin-top: 10px;
  word-break: break-all;
}

/* =============================================================
   Mobile
   ============================================================= */
@media (max-width: 640px) {
  .topbar { padding: 16px 20px; }
  .topnav { gap: 18px; }
  .stage  { padding: 100px 20px 100px; }
  .donate { --size: 220px; }
  .donate__amount { font-size: 60px; }
  .metrics { gap: 28px; }
  .foot { flex-wrap: wrap; font-size: 10px; padding: 14px; }
  .modal__inner { padding: 36px 24px; }
}