:root {
  --color-bg: #050505;
  --color-surface: #111111;
  --color-burgundy: #800020;
  --color-red: #e60000;
  --color-text: #e0e0e0;
  --color-muted: #9a9a9a;
  --color-line: rgba(224, 224, 224, 0.12);
  --color-line-strong: rgba(230, 0, 0, 0.35);

  --font-heading: "Playfair Display", Georgia, serif;
  --font-body: "Inter", Arial, sans-serif;

  --container-width: 1120px;
  --container-padding: 20px;
  --section-padding: clamp(72px, 12vw, 132px);

  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-deep: 0 28px 90px rgba(0, 0, 0, 0.52);
}

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

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

body {
  min-height: 100%;
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::selection {
  background: var(--color-burgundy);
  color: var(--color-text);
}

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

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

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

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  overflow-wrap: anywhere;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0;
}

p {
  color: var(--color-muted);
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

#site-main {
  min-height: 100svh;
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 100svh;
  overflow: hidden;
  padding-block: clamp(56px, 8vw, 104px);
  background:
    radial-gradient(circle at 50% 48%, var(--color-surface) 0%, #0b0b0b 34%, var(--color-bg) 72%),
    var(--color-bg);
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(rgba(224, 224, 224, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(224, 224, 224, 0.025) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(circle at 50% 45%, black, transparent 68%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 38%;
  z-index: -1;
  background: linear-gradient(180deg, transparent, rgba(128, 0, 32, 0.14));
  pointer-events: none;
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(3rem, 8vw, 7rem);
  width: min(100% - calc(var(--container-padding) * 2), 1440px);
  min-height: calc(100svh - clamp(112px, 16vw, 208px));
  align-items: center;
  justify-items: start;
}

.hero-content {
  display: flex;
  width: 100%;
  max-width: 680px;
  flex-direction: column;
  align-items: flex-start;
}

.hero-kicker {
  margin-bottom: 16px;
  color: var(--color-red);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 680px;
  color: var(--color-text);
  font-size: clamp(2.55rem, 5.35vw, 5rem);
  line-height: 0.96;
}

.hero h1 span {
  display: block;
  overflow-wrap: normal;
  word-break: keep-all;
}

.hero h1 span:first-child {
  color: #f1f1f1;
}

.hero h1 span:last-child {
  color: var(--color-burgundy);
  text-shadow: 0 0 34px rgba(230, 0, 0, 0.22);
}

.hero-copy {
  max-width: 610px;
  margin-top: 24px;
  color: var(--color-muted);
  font-size: clamp(1rem, 3.6vw, 1.18rem);
  line-height: 1.52;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 58px;
  margin-top: 34px;
  padding: 16px 22px;
  border: 1px solid rgba(230, 0, 0, 0.72);
  border-radius: var(--radius-sm);
  background: var(--color-red);
  color: #ffffff;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.04) inset,
    0 0 28px rgba(230, 0, 0, 0.22);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
  transition: box-shadow 180ms ease, transform 180ms ease, background-color 180ms ease;
}

.hero-cta:hover,
.hero-cta:focus-visible {
  animation: pulse 900ms ease-in-out infinite;
  background: #ff1010;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.08) inset,
    0 0 22px rgba(230, 0, 0, 0.62),
    0 0 68px rgba(230, 0, 0, 0.32);
  outline: none;
  transform: translateY(-2px);
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  width: min(100%, 600px);
  aspect-ratio: 1 / 1;
  justify-self: center;
  overflow: visible;
}

.hero-triangle-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0.58;
  filter: brightness(0.7) contrast(1.14) saturate(0.78);
  mix-blend-mode: screen;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 2%;
  background: radial-gradient(circle at 50% 50%, transparent 28%, rgba(5, 5, 5, 0.48) 72%);
  pointer-events: none;
}

.neon-cross {
  position: absolute;
  left: 50%;
  top: 52%;
  width: 142%;
  height: clamp(22px, 4vw, 36px);
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--color-red) 7% 93%, transparent);
  box-shadow:
    0 0 10px rgba(230, 0, 0, 0.78),
    0 0 26px rgba(230, 0, 0, 0.34);
  transform-origin: center;
}

.neon-cross-one {
  transform: translate(-50%, -50%) rotate(38deg);
}

.neon-cross-two {
  transform: translate(-50%, -50%) rotate(-38deg);
}

.agitation {
  position: relative;
  overflow: hidden;
  padding-block: var(--section-padding);
  background:
    radial-gradient(circle at 16% 0%, rgba(128, 0, 32, 0.2), transparent 30%),
    linear-gradient(180deg, var(--color-bg), #090909 48%, var(--color-bg));
}

.agitation::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(230, 0, 0, 0.05), transparent);
  opacity: 0.58;
  pointer-events: none;
}

.agitation-heading {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin-bottom: 34px;
}

.section-kicker {
  margin-bottom: 12px;
  color: #d4af37;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.agitation h2 {
  color: var(--color-text);
  font-size: clamp(2rem, 8vw, 4rem);
}

.agitation-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 18px;
}

.agitation-card {
  min-height: 180px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.agitation-card:hover,
.agitation-card:focus-within {
  border-color: rgba(128, 0, 32, 0.72);
  background: rgba(255, 255, 255, 0.045);
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.38),
    0 0 34px rgba(128, 0, 32, 0.16);
  transform: translateY(-5px);
}

.card-number {
  display: block;
  margin-bottom: 34px;
  color: #d4af37;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.agitation-card:nth-child(even) .card-number {
  color: var(--color-red);
}

.agitation-card p {
  color: var(--color-text);
  font-size: clamp(1.06rem, 4vw, 1.28rem);
  font-weight: 700;
  line-height: 1.42;
}

.solution {
  position: relative;
  overflow: hidden;
  padding-block: var(--section-padding);
  background:
    radial-gradient(circle at 82% 46%, rgba(128, 0, 32, 0.22), transparent 34%),
    linear-gradient(180deg, #050505 0%, #0a0a0a 52%, #050505 100%);
}

.solution-layout {
  display: grid;
  gap: 42px;
  align-items: center;
}

.solution-content {
  max-width: 680px;
}

.solution-kicker {
  margin-bottom: 14px;
  color: var(--color-red);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.solution h2 {
  color: var(--color-text);
  font-size: clamp(2.35rem, 10vw, 5.1rem);
}

.solution-promise {
  margin-top: 24px;
  color: #f0f0f0;
  font-size: clamp(1.16rem, 4.8vw, 1.58rem);
  font-weight: 700;
  line-height: 1.42;
}

.solution-copy {
  max-width: 620px;
  margin-top: 20px;
  color: var(--color-muted);
  font-size: clamp(1rem, 3.6vw, 1.12rem);
}

.book-mockup-container {
  position: relative;
  min-height: 360px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.01)),
    radial-gradient(circle at 50% 32%, rgba(128, 0, 32, 0.44), transparent 48%),
    #090909;
  box-shadow:
    0 32px 110px rgba(0, 0, 0, 0.52),
    0 0 90px rgba(128, 0, 32, 0.34),
    inset 0 0 70px rgba(230, 0, 0, 0.08);
  isolation: isolate;
}

.book-mockup-container::before {
  content: "";
  position: absolute;
  inset: 18%;
  border: 1px solid rgba(212, 175, 55, 0.16);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(128, 0, 32, 0.2), rgba(5, 5, 5, 0.38));
  box-shadow: inset 0 0 48px rgba(0, 0, 0, 0.48);
}

.book-mockup-container::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.09), transparent 36%);
  pointer-events: none;
}

.commitment {
  position: relative;
  overflow: hidden;
  padding-block: var(--section-padding);
  background:
    radial-gradient(circle at 50% 0%, rgba(230, 0, 0, 0.14), transparent 38%),
    #1a0006;
}

.commitment::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.42;
  mask-image: linear-gradient(180deg, transparent, black 22%, black 76%, transparent);
  pointer-events: none;
}

.commitment-inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
  text-align: center;
}

.commitment .section-kicker {
  color: #d4af37;
}

.commitment h2 {
  color: var(--color-text);
  font-size: clamp(2.4rem, 10vw, 5rem);
}

.commitment p:not(.section-kicker) {
  max-width: 760px;
  margin: 26px auto 0;
  color: rgba(224, 224, 224, 0.78);
  font-size: clamp(1rem, 3.8vw, 1.16rem);
  line-height: 1.9;
}

.checkout-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: min(100%, 400px);
  min-height: 64px;
  margin-top: 34px;
  padding: 17px 24px;
  border: 1px solid rgba(230, 0, 0, 0.76);
  border-radius: var(--radius-sm);
  background: var(--color-red);
  color: #ffffff;
  box-shadow:
    0 18px 0 rgba(77, 0, 0, 0.55),
    0 26px 70px rgba(0, 0, 0, 0.46),
    0 0 46px rgba(230, 0, 0, 0.28);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.28;
  text-align: center;
  text-transform: uppercase;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease, background-color 180ms ease;
}

.checkout-cta:hover,
.checkout-cta:focus-visible {
  border-color: #d4af37;
  background: #ff1111;
  box-shadow:
    0 14px 0 rgba(77, 0, 0, 0.66),
    0 24px 86px rgba(0, 0, 0, 0.52),
    0 0 62px rgba(212, 175, 55, 0.22),
    0 0 46px rgba(230, 0, 0, 0.32);
  outline: none;
  transform: translateY(4px);
}

.site-footer {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
  justify-content: space-between;
  padding: 22px var(--container-padding);
  background: #000000;
  color: #444444;
  font-size: 11px;
  text-align: left;
}

.site-footer p {
  color: inherit;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 12px;
}

.footer-links a {
  color: #444444;
  transition: color 160ms ease;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: rgba(224, 224, 224, 0.58);
  outline: none;
}

.container {
  width: min(100% - calc(var(--container-padding) * 2), var(--container-width));
  margin-inline: auto;
}

.surface {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (min-width: 768px) {
  :root {
    --container-padding: 32px;
  }

  .site-footer {
    flex-direction: row;
    align-items: center;
  }

  .hero-cta {
    width: auto;
  }

  .agitation-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .solution-layout {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.82fr);
    gap: 56px;
  }
}

@media (min-width: 980px) {
  .hero-content {
    max-width: 680px;
  }

  .hero-visual {
    width: min(44vw, 620px);
  }
}

@media (min-width: 1040px) {
  .hero-layout {
    grid-template-columns: minmax(0, 1.02fr) minmax(380px, 0.98fr);
  }

  .hero-content {
    justify-self: start;
  }

  .hero-visual {
    justify-self: end;
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: translateY(-2px) scale(1);
  }

  50% {
    transform: translateY(-2px) scale(1.035);
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}