.presale-section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(86px, 10vw, 138px);
  border-block: 1px solid rgba(255, 255, 255, .08);
  background:
    radial-gradient(circle at 72% 42%, rgba(190, 55, 40, .14), transparent 31%),
    radial-gradient(ellipse at 15% 88%, rgba(98, 27, 23, .12), transparent 42%),
    linear-gradient(135deg, #080a0b 0%, #10100f 52%, #080a0b 100%);
}

.presale-section::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .3;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: linear-gradient(90deg, transparent, #000 35%, #000 75%, transparent);
}

.presale-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, .88fr);
  gap: clamp(54px, 8vw, 116px);
  align-items: center;
}

.presale-copy { max-width: 630px; }

.presale-kicker {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin: 0 0 25px;
  color: #df776a;
  font: 600 11px/1.5 var(--sans);
  letter-spacing: .2em;
  text-transform: uppercase;
}

.presale-kicker::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ee6658;
  box-shadow: 0 0 18px rgba(238, 75, 61, .8);
}

.presale-copy h2 {
  max-width: 650px;
  margin: 0 0 24px;
  color: #f3eee5;
  font: 400 clamp(42px, 5.2vw, 72px)/1.03 var(--serif);
  letter-spacing: -.05em;
}

.presale-copy h2 em { color: #c77869; }

.presale-copy > p {
  max-width: 530px;
  color: #b5b7b0;
  font-size: 13px;
  line-height: 1.9;
}

.presale-discount {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 20px;
  align-items: center;
  width: min(100%, 520px);
  margin: 32px 0;
  padding: 22px 24px;
  border: 1px solid rgba(225, 93, 76, .35);
  background: linear-gradient(115deg, rgba(148, 42, 34, .22), rgba(20, 21, 19, .62));
  box-shadow: inset 0 1px rgba(255, 255, 255, .05), 0 18px 55px rgba(0, 0, 0, .22);
}

.presale-discount strong {
  grid-row: 1 / 3;
  color: #f06859;
  font: 400 clamp(49px, 6vw, 73px)/.9 var(--serif);
  letter-spacing: -.055em;
  text-shadow: 0 0 28px rgba(220, 71, 55, .2);
}

.presale-discount span {
  color: #eee9de;
  font: 600 12px/1.45 var(--sans);
  letter-spacing: .12em;
  text-transform: uppercase;
}

.presale-discount small { color: #989d96; font-size: 11px; line-height: 1.55; }

.campaign-cta {
  min-height: 58px;
  padding: 16px 22px;
  text-transform: uppercase;
  letter-spacing: .075em;
  box-shadow: 0 12px 40px rgba(150, 42, 33, .25);
}

.campaign-cta:hover { box-shadow: 0 16px 50px rgba(184, 54, 43, .36); }

.hourglass-stage {
  position: relative;
  display: grid;
  justify-items: center;
  min-width: 0;
  padding: 32px 10px 4px;
  perspective: 950px;
}

.hourglass-stage::before {
  content: '';
  position: absolute;
  top: 8%;
  left: 50%;
  width: min(520px, 118%);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(197, 65, 49, .19), rgba(121, 34, 28, .05) 38%, transparent 68%);
  transform: translateX(-50%);
  filter: blur(12px);
  pointer-events: none;
}

.hourglass {
  --sand-upper: 100%;
  --sand-lower: 0%;
  position: relative;
  width: clamp(205px, 25vw, 275px);
  height: clamp(320px, 39vw, 405px);
  transform: rotateY(-7deg) rotateX(1.5deg);
  transform-style: preserve-3d;
  filter: drop-shadow(0 30px 30px rgba(0, 0, 0, .62));
}

.hourglass-frame {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}

.hourglass-frame::before,
.hourglass-frame::after {
  content: '';
  position: absolute;
  left: -7%;
  width: 114%;
  height: 25px;
  border: 1px solid rgba(255, 165, 129, .25);
  border-radius: 50%;
  background: linear-gradient(180deg, #4e4641 0%, #1f201f 40%, #0b0d0d 70%, #39231f 100%);
  box-shadow: inset 0 2px 3px rgba(255, 255, 255, .12), inset 0 -5px 10px rgba(0, 0, 0, .75), 0 0 24px rgba(187, 55, 39, .15);
}

.hourglass-frame::before { top: 0; }
.hourglass-frame::after { bottom: 0; }

.hourglass-glass {
  position: absolute;
  left: 13%;
  width: 74%;
  height: 47%;
  overflow: hidden;
  border: 1px solid rgba(220, 230, 226, .28);
  background: linear-gradient(100deg, rgba(255, 255, 255, .13), rgba(255, 255, 255, .018) 31%, rgba(255, 255, 255, .07) 70%, rgba(255, 255, 255, .015));
  box-shadow: inset 13px 0 18px rgba(255, 255, 255, .035), inset -14px 0 20px rgba(0, 0, 0, .2), 0 0 26px rgba(111, 135, 132, .06);
  backdrop-filter: blur(2px);
}

.hourglass-upper {
  top: 5%;
  clip-path: polygon(4% 0, 96% 0, 82% 33%, 64% 72%, 53% 100%, 47% 100%, 36% 72%, 18% 33%);
}

.hourglass-lower {
  bottom: 5%;
  clip-path: polygon(47% 0, 53% 0, 64% 28%, 82% 67%, 96% 100%, 4% 100%, 18% 67%, 36% 28%);
}

.hourglass-glass::after {
  content: '';
  position: absolute;
  inset: 3px 28% 3px 13%;
  background: linear-gradient(100deg, rgba(255, 255, 255, .13), transparent 47%);
  filter: blur(1px);
  pointer-events: none;
}

.sand-upper,
.sand-lower {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: var(--sand-upper);
  min-height: 1px;
  background: linear-gradient(180deg, #ff9b63 0%, #df5f3d 44%, #a72f27 100%);
  box-shadow: 0 -3px 13px rgba(255, 129, 72, .28), inset 0 8px 14px rgba(255, 183, 121, .12);
  transition: height .8s linear;
}

.sand-upper::before,
.sand-lower::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: .55;
  background-image: radial-gradient(circle, rgba(255, 226, 180, .8) 0 1px, transparent 1.2px);
  background-size: 7px 7px;
}

.sand-upper { border-radius: 45% 45% 0 0 / 8% 8% 0 0; }
.sand-lower { height: var(--sand-lower); border-radius: 50% 50% 0 0 / 12% 12% 0 0; }

.sand-stream {
  position: absolute;
  z-index: 3;
  top: 47.2%;
  left: calc(50% - 1px);
  width: 3px;
  height: 10.5%;
  border-radius: 2px;
  background: linear-gradient(#ffb26d, #d34e36);
  box-shadow: 0 0 9px rgba(242, 91, 52, .72), 0 0 22px rgba(212, 58, 39, .25);
  animation: sand-fall .7s linear infinite;
}

.sand-particles {
  position: absolute;
  z-index: 5;
  top: 48%;
  left: 50%;
  width: 24px;
  height: 44px;
  transform: translateX(-50%);
  pointer-events: none;
}

.sand-particles::before,
.sand-particles::after {
  content: '';
  position: absolute;
  top: 0;
  left: 6px;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: #ffae68;
  box-shadow: 8px 7px #f48350, 2px 16px #ed7048, 11px 23px #c84432, 5px 34px #f17a4c;
  animation: sand-particles 1.1s linear infinite;
}

.sand-particles::after { left: 1px; animation-delay: -.55s; opacity: .65; }

.countdown {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(62px, 1fr));
  width: min(100%, 470px);
  margin-top: 37px;
  border-block: 1px solid rgba(255, 255, 255, .12);
}

.countdown-unit {
  position: relative;
  min-width: 0;
  padding: 17px 8px 14px;
  text-align: center;
}

.countdown-unit + .countdown-unit::before {
  content: ':';
  position: absolute;
  top: 17px;
  left: -3px;
  color: #75443d;
  font: 25px/1 var(--serif);
}

.countdown-unit strong {
  display: block;
  color: #f0eae0;
  font: 400 clamp(25px, 3vw, 37px)/1 var(--serif);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.025em;
}

.countdown-unit span {
  display: block;
  margin-top: 9px;
  color: #797f79;
  font-size: 9px;
  letter-spacing: .17em;
  text-transform: uppercase;
}

.campaign-indicator {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 17px;
  align-items: center;
  width: min(100%, 470px);
  margin-top: 24px;
  padding: 18px 20px;
  border-left: 2px solid #b94b3e;
  background: rgba(255, 255, 255, .025);
}

.campaign-indicator strong {
  grid-row: 1 / 3;
  color: #e78a70;
  font: 400 clamp(27px, 3.5vw, 42px)/1 var(--serif);
  font-variant-numeric: tabular-nums;
}

.campaign-indicator span { color: #d7d6ce; font-size: 11px; line-height: 1.55; }
.campaign-indicator small { color: #797f79; font-size: 9px; line-height: 1.55; letter-spacing: .04em; }

.scarcity-callout {
  position: relative;
  width: min(100%, 500px);
  margin-top: 26px;
  padding: 22px 24px 23px;
  overflow: hidden;
  border: 1px solid rgba(217, 92, 73, .28);
  border-left: 3px solid #d35b4c;
  background:
    linear-gradient(110deg, rgba(205, 66, 51, .12), transparent 48%),
    rgba(255, 255, 255, .025);
  box-shadow: inset 0 1px rgba(255, 255, 255, .035), 0 20px 55px rgba(0, 0, 0, .2);
}

.scarcity-callout::before {
  content: '';
  position: absolute;
  inset: -70% 55% -70% -35%;
  transform: rotate(12deg);
  background: linear-gradient(90deg, transparent, rgba(230, 94, 74, .08), transparent);
  pointer-events: none;
}

.scarcity-callout strong,
.scarcity-callout span,
.scarcity-callout small { position: relative; display: block; }

.scarcity-callout strong {
  color: #f0eae0;
  font: 400 clamp(20px, 2.5vw, 28px)/1.2 var(--serif);
  letter-spacing: -.015em;
}

.scarcity-callout strong b {
  color: #ed806d;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
}

.scarcity-callout span {
  margin-top: 8px;
  color: #c7c8c1;
  font-size: 11px;
  line-height: 1.65;
}

.scarcity-callout small {
  margin-top: 14px;
  color: #a5a9a2;
  font-size: 9px;
  line-height: 1.6;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.scarcity-callout small em {
  color: #f08572;
  font-style: normal;
  animation: scarcity-urgency 2.6s ease-in-out infinite;
}

@keyframes scarcity-urgency {
  0%, 100% { opacity: .58; text-shadow: 0 0 0 rgba(225, 75, 58, 0); }
  50% { opacity: 1; text-shadow: 0 0 14px rgba(225, 75, 58, .42); }
}

.referral-panel {
  width: min(100%, 570px);
  margin-top: 28px;
  padding: 22px;
  border: 1px solid rgba(214, 102, 84, .24);
  background: rgba(6, 8, 8, .52);
  box-shadow: inset 0 1px rgba(255, 255, 255, .035);
}

.referral-panel h3 { margin: 0 0 8px; font: 400 22px/1.3 var(--serif); color: #eee9df; }
.referral-panel p { margin-bottom: 15px; color: #999f98; font-size: 11px; line-height: 1.75; }

.referral-progress {
  position: relative;
  height: 7px;
  margin: 15px 0 19px;
  overflow: hidden;
  border-radius: 10px;
  background: #252826;
  box-shadow: inset 0 1px 3px #000;
}

.referral-progress > span {
  display: block;
  width: var(--referral-progress, 0%);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #8e2e29, #ef765d);
  box-shadow: 0 0 14px rgba(225, 82, 60, .38);
  transition: width .5s ease;
}

.referral-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.referral-actions button,
.referral-actions a { flex: 1 1 130px; min-height: 46px; padding: 11px 15px; border: 1px solid rgba(255, 255, 255, .18); border-radius: 10px; color: #d8d8cf; background: linear-gradient(135deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .018)); box-shadow: inset 0 1px rgba(255, 255, 255, .045); font-size: 11px; transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.referral-actions button:hover,
.referral-actions a:hover { transform: translateY(-1px); border-color: #bd5b4e; color: #fff; background: rgba(189, 91, 78, .09); }

@keyframes sand-fall {
  0% { opacity: .45; transform: scaleY(.84); transform-origin: top; }
  48% { opacity: 1; transform: scaleY(1.08); }
  100% { opacity: .55; transform: scaleY(.86); transform-origin: bottom; }
}

@keyframes sand-particles {
  from { opacity: 0; transform: translateY(-6px); }
  20% { opacity: .85; }
  to { opacity: 0; transform: translateY(16px); }
}

@media (max-width: 980px) {
  .presale-layout { grid-template-columns: minmax(0, 1fr) minmax(285px, .72fr); gap: 40px; }
  .hourglass { width: 215px; height: 330px; }
}

@media (max-width: 760px) {
  .presale-section { padding-block: 76px; }
  .presale-layout { grid-template-columns: 1fr; gap: 58px; }
  .presale-copy h2 { font-size: clamp(40px, 12.5vw, 58px); }
  .presale-copy > p { font-size: 12px; }
  .presale-discount { padding: 20px 18px; gap: 5px 15px; }
  .presale-discount strong { font-size: 54px; }
  .campaign-cta { width: 100%; justify-content: center; }
  .hourglass-stage { padding-top: 5px; }
  .hourglass { width: 220px; height: 340px; }
  .countdown { margin-top: 30px; }
  .countdown-unit { padding-inline: 3px; }
  .countdown-unit strong { font-size: 27px; }
  .countdown-unit span { font-size: 8px; letter-spacing: .11em; }
  .campaign-indicator { grid-template-columns: 1fr; gap: 7px; text-align: center; border-left: 0; border-top: 2px solid #b94b3e; }
  .campaign-indicator strong { grid-row: auto; font-size: 36px; }
  .scarcity-callout { padding: 20px 18px 21px; text-align: center; border-left-width: 1px; border-top: 3px solid #d35b4c; }
  .referral-actions { flex-direction: column; }
  .referral-actions button,
  .referral-actions a { width: 100%; text-align: center; }
}

@media (max-width: 380px) {
  .presale-discount { grid-template-columns: 1fr; }
  .presale-discount strong { grid-row: auto; font-size: 57px; }
  .countdown { grid-template-columns: repeat(4, 1fr); }
  .countdown-unit strong { font-size: 23px; }
  .countdown-unit + .countdown-unit::before { font-size: 20px; }
  .hourglass { width: 200px; height: 315px; }
}

@media (prefers-reduced-motion: reduce) {
  .sand-stream,
  .sand-particles::before,
  .sand-particles::after { animation: none; }
  .sand-stream { opacity: .8; }
  .sand-upper,
  .sand-lower,
  .referral-progress > span { transition: none; }
  .scarcity-callout small em { animation: none; opacity: 1; text-shadow: none; }
}