:root {
  --white: #ffffff;
  --off-white: #f4f2ef;
  --black: #0a0a0a;
  --ink: #171717;
  --gray: #565656;
  --line: #d5d0ca;
  --red: #b3171d;
  --deep-red: #7f0f14;
  --shadow: 0 28px 90px rgba(10, 10, 10, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 16%, rgba(179, 23, 29, 0.13), transparent 28rem),
    linear-gradient(135deg, var(--off-white) 0%, var(--white) 52%, #e7e2dc 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(10, 10, 10, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 10, 10, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  min-height: calc(100vh - 112px);
  margin: 0 auto;
  display: grid;
  place-items: center;
  padding: 48px 0 32px;
}

.hero-card {
  width: 100%;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(10, 10, 10, 0.1);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 10px;
  background: linear-gradient(180deg, var(--red), var(--deep-red));
}

.hero-card::after {
  content: "柔術";
  position: absolute;
  right: clamp(18px, 4vw, 54px);
  bottom: -0.18em;
  font-weight: 900;
  font-size: clamp(6rem, 18vw, 16rem);
  line-height: 1;
  letter-spacing: -0.08em;
  color: rgba(10, 10, 10, 0.045);
  z-index: 0;
}

.hero-topline,
.hero-grid,
.promo-banner,
.info-strip {
  position: relative;
  z-index: 1;
}

.hero-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 26px clamp(26px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.76rem;
  font-weight: 800;
}

.kicker {
  color: var(--black);
}

.status {
  color: var(--red);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.72fr);
  gap: clamp(28px, 6vw, 78px);
  padding: clamp(38px, 7vw, 86px) clamp(26px, 5vw, 64px) clamp(30px, 5vw, 64px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 18px;
  font-size: 0.84rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--gray);
}

h1 {
  max-width: 760px;
  margin: 0;
  color: var(--black);
  font-size: clamp(3.5rem, 9vw, 8.2rem);
  line-height: 0.88;
  letter-spacing: -0.085em;
  text-transform: uppercase;
}

.address {
  margin: 24px 0 0;
  color: var(--red);
  font-size: clamp(1.45rem, 3vw, 2.8rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.045em;
}

.intro {
  max-width: 680px;
  margin: 28px 0 0;
  color: #343434;
  font-size: clamp(1rem, 1.7vw, 1.22rem);
  line-height: 1.75;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--black);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 900;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button:focus-visible {
  outline: 3px solid rgba(179, 23, 29, 0.28);
  outline-offset: 3px;
}

.button.primary {
  color: var(--white);
  background: var(--black);
}

.button.primary:hover,
.button.primary:focus-visible,
.button.whatsapp:hover,
.button.whatsapp:focus-visible {
  background: var(--red);
  border-color: var(--red);
}

.button.secondary {
  color: var(--black);
  background: var(--white);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  color: var(--white);
  background: var(--red);
  border-color: var(--red);
}

.logo-panel {
  min-height: 360px;
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.logo-panel::before {
  content: "DOJO KAI";
  position: absolute;
  inset: auto 18px 16px auto;
  color: rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  font-weight: 900;
  letter-spacing: 0.34em;
  writing-mode: vertical-rl;
}

.logo-panel img {
  width: min(78%, 380px);
  height: auto;
  max-height: 320px;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 18px 32px rgba(0, 0, 0, 0.38));
}

.logo-orbit {
  width: 78%;
  aspect-ratio: 1;
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
}

.logo-orbit::before,
.logo-orbit::after {
  content: "";
  position: absolute;
  inset: 10%;
  border: 1px solid rgba(179, 23, 29, 0.44);
  border-radius: inherit;
}

.logo-orbit::after {
  inset: 24%;
  border-color: rgba(255, 255, 255, 0.14);
}

.promo-banner {
  margin: 0 clamp(26px, 5vw, 64px) clamp(32px, 5vw, 56px);
  padding: clamp(22px, 4vw, 36px);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background:
    linear-gradient(135deg, rgba(179, 23, 29, 0.95), rgba(127, 15, 20, 0.82) 36%, rgba(10, 10, 10, 0.98) 80%),
    var(--black);
  box-shadow: 0 22px 60px rgba(10, 10, 10, 0.18);
}

.promo-banner::before {
  content: "";
  display: block;
  width: 74px;
  height: 6px;
  margin-bottom: 22px;
  background: var(--white);
}

.promo-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px 22px;
  align-items: end;
}

.promo-label {
  grid-column: 1 / -1;
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.promo-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 4.8vw, 4.8rem);
  line-height: 0.92;
  letter-spacing: -0.06em;
  text-transform: uppercase;
}

.promo-deadline {
  margin: 0;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  color: var(--white);
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.08);
}

.promo-options {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-top: 26px;
}

.promo-option {
  min-height: 190px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.09);
}

.promo-option.featured {
  background: rgba(255, 255, 255, 0.95);
  color: var(--black);
}

.promo-option.muted {
  background: rgba(10, 10, 10, 0.32);
}

.option-tag {
  display: inline-flex;
  margin-bottom: 20px;
  color: currentColor;
  opacity: 0.78;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.price {
  display: block;
  font-size: clamp(3rem, 6vw, 5.6rem);
  line-height: 0.84;
  letter-spacing: -0.08em;
}

.promo-option p {
  margin: 18px 0 0;
  font-size: 0.98rem;
  line-height: 1.55;
}

.promo-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.promo-cta p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 800;
}

.promo-button {
  color: var(--black);
  background: var(--white);
  border-color: var(--white);
}

.promo-button:hover,
.promo-button:focus-visible {
  color: var(--white);
  background: var(--red);
  border-color: var(--white);
}

.info-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}

.info-strip article {
  min-height: 150px;
  padding: 24px clamp(22px, 3vw, 34px);
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.52);
}

.info-strip article:last-child {
  border-right: none;
}

.info-strip span {
  display: block;
  color: var(--red);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  margin-bottom: 14px;
}

.info-strip strong {
  display: block;
  color: var(--black);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.info-strip p {
  margin: 10px 0 0;
  color: var(--gray);
  line-height: 1.55;
}

.site-footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 0 0 30px;
  color: var(--gray);
  font-size: 0.82rem;
  line-height: 1.6;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

.site-footer .microcopy {
  margin-top: 5px;
  font-size: 0.76rem;
}

@media (max-width: 980px) {
  .page-shell {
    min-height: auto;
    padding-top: 24px;
  }

  .hero-topline {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .logo-panel {
    min-height: 280px;
  }

  .promo-heading,
  .promo-options {
    grid-template-columns: 1fr;
  }

  .promo-deadline {
    width: fit-content;
  }

  .promo-option {
    min-height: auto;
  }

  .info-strip {
    grid-template-columns: 1fr;
  }

  .info-strip article {
    min-height: auto;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .info-strip article:last-child {
    border-bottom: none;
  }
}

@media (max-width: 560px) {
  .page-shell,
  .site-footer {
    width: min(100% - 20px, 1180px);
  }

  .hero-card::before {
    width: 6px;
  }

  .hero-grid,
  .hero-topline {
    padding-left: 22px;
    padding-right: 22px;
  }

  .promo-banner {
    margin-left: 22px;
    margin-right: 22px;
  }

  h1 {
    font-size: clamp(3rem, 18vw, 4.6rem);
  }

  .actions,
  .promo-cta {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .promo-heading h2 {
    font-size: clamp(2.25rem, 12vw, 3.6rem);
  }
}