:root {
  --red: #c8151d;
  --deep-red: #7c0f14;
  --black: #17110f;
  --ink: #2a211e;
  --muted: #746966;
  --cream: #fff6ea;
  --paper: #fffaf4;
  --gold: #f3b332;
  --green: #2f7d4f;
  --line: rgba(42, 33, 30, 0.14);
  --shadow: 0 24px 70px rgba(45, 18, 9, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans KR", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  color: #fff;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.62), rgba(0, 0, 0, 0));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 900;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  color: var(--deep-red);
  background: var(--gold);
  font-weight: 900;
}

.nav {
  display: flex;
  gap: clamp(16px, 3vw, 34px);
  font-size: 15px;
  font-weight: 700;
}

.header-cta,
.primary-button,
.secondary-button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 800;
}

.header-cta {
  padding: 0 20px;
  color: var(--black);
  background: #fff;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  padding: 140px clamp(20px, 6vw, 86px) 80px;
  overflow: hidden;
  color: #fff;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(17, 8, 5, 0.86), rgba(17, 8, 5, 0.34) 52%, rgba(17, 8, 5, 0.05)),
    linear-gradient(0deg, rgba(19, 6, 3, 0.68), rgba(19, 6, 3, 0.06) 42%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 790px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(48px, 7vw, 92px);
  line-height: 1.03;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 620px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.7;
}

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

.primary-button {
  padding: 0 26px;
  color: #fff;
  background: var(--red);
  box-shadow: 0 12px 28px rgba(200, 21, 29, 0.36);
}

.secondary-button {
  padding: 0 24px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.hero-panel {
  position: absolute;
  right: clamp(18px, 5vw, 70px);
  bottom: 48px;
  z-index: 1;
  display: grid;
  gap: 12px;
  width: min(380px, calc(100% - 36px));
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(20, 9, 5, 0.62);
  backdrop-filter: blur(14px);
}

.hero-panel strong {
  color: #fff;
  font-size: 18px;
}

.hero-panel span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--black);
  color: #fff;
}

.metrics div {
  display: grid;
  gap: 8px;
  padding: 34px clamp(18px, 3vw, 44px);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.metrics strong {
  color: var(--gold);
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1;
}

.metrics span {
  color: rgba(255, 255, 255, 0.76);
  font-weight: 700;
}

.section {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: clamp(28px, 5vw, 80px);
  padding: clamp(72px, 10vw, 132px) clamp(20px, 6vw, 86px);
}

.section-label {
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
}

.section-main h2,
.section-heading h2,
.menu-band h2,
.investment h2,
.contact h2 {
  margin: 0;
  color: var(--black);
  font-size: clamp(32px, 4.4vw, 58px);
  line-height: 1.14;
  letter-spacing: 0;
}

.intro p,
.contact-copy p {
  max-width: 800px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.8;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 38px;
}

.feature-grid article,
.menu-list article {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(45, 18, 9, 0.07);
}

.feature-grid span {
  color: var(--red);
  font-weight: 900;
}

.feature-grid h3,
.support-list h3 {
  margin: 18px 0 10px;
  font-size: 21px;
}

.feature-grid p,
.support-list p,
.steps p,
.faq p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.menu-band {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(30px, 5vw, 72px);
  align-items: start;
  padding: clamp(72px, 9vw, 116px) clamp(20px, 6vw, 86px);
  color: #fff;
  background: var(--deep-red);
}

.menu-band h2 {
  color: #fff;
}

.menu-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.menu-list article {
  display: grid;
  grid-template-rows: 190px 1fr;
  gap: 0;
  overflow: hidden;
  padding: 0;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: none;
}

.menu-list img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.menu-list article div {
  display: grid;
  gap: 8px;
  padding: 22px;
}

.menu-list strong {
  color: #fff;
  font-size: 22px;
}

.menu-list span {
  color: rgba(255, 255, 255, 0.74);
}

.system {
  background: var(--cream);
}

.support-list {
  display: grid;
  gap: 18px;
  margin-top: 38px;
}

.support-list div {
  padding: 26px 0;
  border-top: 1px solid var(--line);
}

.process,
.investment,
.faq,
.contact {
  padding: clamp(72px, 9vw, 122px) clamp(20px, 6vw, 86px);
}

.section-heading {
  max-width: 760px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  padding: 0;
  margin: 42px 0 0;
  list-style: none;
}

.steps li {
  min-height: 220px;
  padding: 24px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--line);
}

.steps span {
  color: var(--red);
  font-weight: 900;
}

.steps strong {
  display: block;
  margin: 32px 0 10px;
  font-size: 20px;
}

.investment {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(28px, 5vw, 70px);
  background: var(--black);
}

.investment h2 {
  color: #fff;
}

.model-table {
  display: grid;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.model-table div {
  display: grid;
  grid-template-columns: 0.6fr 1fr 0.45fr;
  gap: 18px;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
}

.model-table span {
  color: rgba(255, 255, 255, 0.7);
}

.model-table em {
  color: var(--gold);
  font-style: normal;
  font-weight: 800;
}

.faq {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: clamp(28px, 5vw, 70px);
}

details {
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

summary {
  cursor: pointer;
  color: var(--black);
  font-size: 21px;
  font-weight: 800;
}

details p {
  margin-top: 16px;
}

.contact {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: clamp(28px, 5vw, 70px);
  background: var(--cream);
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: clamp(22px, 4vw, 34px);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 8px;
  font-weight: 800;
}

.full {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 14px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

textarea {
  resize: vertical;
}

button {
  grid-column: 1 / -1;
  min-height: 54px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: var(--red);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.kakao-contact {
  align-content: center;
  grid-template-columns: 1fr;
}

.kakao-contact h3 {
  margin: 0;
  color: var(--black);
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.2;
}

.kakao-contact p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.kakao-button {
  display: inline-flex;
  min-height: 56px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: #fff;
  background: var(--red);
  font-weight: 900;
}

.form-note {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.form-note.is-success {
  color: var(--green);
  font-weight: 800;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  align-items: center;
  justify-content: space-between;
  padding: 28px clamp(20px, 6vw, 86px);
  color: rgba(255, 255, 255, 0.72);
  background: #100b0a;
}

.footer strong {
  color: #fff;
}

@media (max-width: 1120px) {
  .feature-grid,
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-panel {
    position: relative;
    right: auto;
    bottom: auto;
    margin-top: 48px;
  }
}

@media (max-width: 820px) {
  .site-header {
    position: fixed;
    align-items: center;
    padding: 12px 16px;
    background: rgba(16, 11, 10, 0.86);
    backdrop-filter: blur(14px);
  }

  .nav {
    display: none;
  }

  .header-cta {
    min-height: 42px;
    padding: 0 16px;
    font-size: 14px;
  }

  .hero {
    min-height: 100svh;
    align-items: end;
    padding: 104px 18px 34px;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(17, 8, 5, 0.34), rgba(17, 8, 5, 0.88) 64%, rgba(17, 8, 5, 0.96)),
      linear-gradient(90deg, rgba(17, 8, 5, 0.74), rgba(17, 8, 5, 0.18));
  }

  .hero h1 {
    font-size: clamp(38px, 11vw, 54px);
    line-height: 1.08;
  }

  .hero-copy {
    margin-top: 20px;
    font-size: 16px;
    line-height: 1.65;
  }

  .hero-actions {
    margin-top: 24px;
  }

  .section,
  .menu-band,
  .investment,
  .faq,
  .contact {
    grid-template-columns: 1fr;
    padding: 58px 18px;
  }

  .feature-grid,
  .menu-list,
  .steps,
  .metrics,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .model-table div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .section-main h2,
  .section-heading h2,
  .menu-band h2,
  .investment h2,
  .contact h2 {
    font-size: clamp(28px, 8vw, 40px);
  }

  .intro p,
  .contact-copy p {
    font-size: 16px;
    line-height: 1.7;
  }

  .feature-grid,
  .support-list,
  .steps,
  .menu-list {
    margin-top: 26px;
  }

  .menu-list article {
    grid-template-rows: minmax(210px, 58vw) 1fr;
  }

  .steps {
    gap: 10px;
  }

  .steps li {
    min-height: 0;
  }

  .steps strong {
    margin-top: 20px;
  }

  .contact-form {
    padding: 24px 18px;
  }

  .full,
  button,
  .form-note {
    grid-column: auto;
  }
}

@media (max-width: 520px) {
  body {
    overflow-x: hidden;
  }

  .brand {
    gap: 8px;
    font-size: 17px;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
    font-size: 15px;
  }

  .site-header {
    gap: 10px;
  }

  .header-cta {
    min-width: 88px;
    min-height: 38px;
    padding: 0 12px;
    font-size: 13px;
  }

  .eyebrow {
    margin-bottom: 12px;
    font-size: 12px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-button,
  .secondary-button,
  .kakao-button {
    width: 100%;
    min-height: 52px;
    padding: 0 18px;
    text-align: center;
  }

  .metrics div,
  .feature-grid article,
  .steps li {
    padding: 20px;
  }

  .metrics strong {
    font-size: 36px;
  }

  .hero-panel {
    width: 100%;
    padding: 18px;
    margin-top: 30px;
  }

  .menu-list article div {
    padding: 20px;
  }

  .menu-list strong,
  summary {
    font-size: 19px;
  }

  .kakao-contact h3 {
    font-size: 27px;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 24px 18px;
  }
}