/* ── 백넘버 공통 스타일 (Mobbin-inspired) ── */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #fafafa;
  --bg-white: #ffffff;
  --bg-subtle: #f9f9fb;
  --bg-muted: #f5f5f7;
  --bg-footer: #f9f9fb;
  --text: #0a0a0a;
  --text-secondary: #52525b;
  --text-muted: #a1a1aa;
  --border: #e4e4e7;
  --border-strong: #d4d4d8;
  --accent: #0a0a0a;
  --accent-hover: #27272a;
  --brand: #3b82f6;
  --brand-strong: #2563eb;
  --brand-tint: #eff6ff;
  --brand-tint-hover: #dbeafe;
  --number-accent: var(--brand);
  --font-body: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  --max-width: 1200px;
  --content-narrow: 720px;
  --form-max: 640px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 9999px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.08);
  --transition: 0.2s ease;
  --section-eyebrow-gap: 1rem;
  --section-title-gap: 1.25rem;
  --section-title-content-gap: 2.25rem;
  --section-lead-gap: 2.5rem;
  --section-closing-gap: 2.5rem;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

html::-webkit-scrollbar {
  display: none;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

main { flex: 1; }

body.layout-flex {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Nav ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.875rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav__logo {
  order: 2;
  flex-shrink: 0;
  margin-right: auto;
  color: var(--text);
}

.brand-lockup {
  display: inline-flex;
  align-items: baseline;
  gap: 0.375rem;
}

.brand-lockup__en {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--brand-strong);
}

.brand-lockup__ko {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-muted);
}

.nav__toggle {
  order: 1;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0.5rem;
  margin-left: -0.5rem;
  border: none;
  background: none;
  cursor: pointer;
}

.nav__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav--open .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav--open .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav--open .nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__right {
  order: 4;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  display: none;
  flex-direction: column;
  align-items: stretch;
  gap: 1.25rem;
  padding: 0.5rem 1.25rem 1rem;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

.nav--open .nav__right {
  display: flex;
}

.nav__links {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  list-style: none;
}

.nav__links a {
  display: block;
  padding: 0.625rem 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.nav__links a:hover,
.nav__links a[aria-current="page"] {
  color: var(--text);
}

.nav__cta {
  order: 3;
  display: inline-flex;
  flex-shrink: 0;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  background: var(--bg-white);
  color: var(--text);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.btn:hover {
  background: var(--bg-subtle);
  border-color: var(--text-muted);
}

.btn:active { transform: scale(0.98); }

.btn--primary {
  background: var(--brand);
  border-color: var(--brand-strong);
  color: #fff;
}

.btn--primary:hover {
  background: var(--brand-strong);
  border-color: var(--brand-strong);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  border-color: var(--border-strong);
}

.btn--ghost:hover {
  background: var(--bg-subtle);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

.btn--block { width: 100%; }

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

/* ── Section common ── */
.section {
  padding: 5rem 1.5rem;
}

.section--white { background: var(--bg-white); }
.section--subtle { background: var(--bg-subtle); }
.section--muted { background: var(--bg-muted); }

.section__inner {
  max-width: var(--content-narrow);
  margin: 0 auto;
}

.section__inner--wide {
  max-width: var(--max-width);
}

.section__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brand-strong);
  margin-bottom: var(--section-eyebrow-gap);
}

.section__title {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: var(--section-title-gap);
}

/* 리드 없이 바로 본문이 이어질 때 — 헤드라인과 콘텐츠 사이 여백 */
.section__title:not(:has(+ .section__lead)) {
  margin-bottom: var(--section-title-content-gap);
}

.section__lead {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: var(--section-lead-gap);
}

.section__lead--tight { margin-bottom: 0; }

.section__closing {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.6;
  margin-top: var(--section-closing-gap);
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.section--center { text-align: center; }

.section__lead--spaced {
  margin-top: 1.25rem;
  margin-bottom: 0;
}

.section__closing + .btn-group,
.steps--cards + .btn-group {
  margin-top: 1.75rem;
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 7rem 1.5rem 5rem;
  background: var(--bg-white);
}

.hero__inner {
  max-width: 800px;
}

.hero__headline {
  font-size: clamp(2.25rem, 7vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.hero__subcopy {
  font-size: clamp(1.0625rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 52ch;
  margin-left: auto;
  margin-right: auto;
}

.hero__trust {
  margin-top: 1.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}

/* ── Stats ── */
.stats {
  padding: 3.5rem 1.5rem;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  text-align: center;
}

.stats__inner--solo {
  max-width: var(--content-narrow);
}

.stats__item--row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 0.375rem 0.625rem;
}

.stats__item--row .stats__item-value {
  margin-bottom: 0;
}

.stats__item--row .stats__item-label {
  font-size: 1rem;
  line-height: 1.4;
}

.stats__item-value {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--brand);
  margin-bottom: 0.5rem;
}

.stats__item-label {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ── Bullet list ── */
.bullet-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.bullet-list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  background: var(--brand);
  border-radius: 50%;
}

.bullet-list li strong {
  color: var(--text);
  font-weight: 600;
}

/* ── Feature cards ── */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.feature-card {
  padding: 1.5rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.feature-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.feature-card__title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.feature-card__desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ── Highlight box ── */
.highlight-box {
  margin-top: 0;
  padding: 1.25rem 1.5rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.highlight-box strong {
  display: block;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

/* ── Case cards (list) ── */
.cases__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.case-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-white);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.case-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.case-card__thumb {
  flex-shrink: 0;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-subtle);
}

.case-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.case-card__thumb--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-subtle);
}

.case-card__thumb--placeholder span {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--number-accent);
  letter-spacing: -0.04em;
  line-height: 1;
}

.case-card__info {
  flex: 1;
  min-width: 0;
}

.case-card__name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.125rem;
}

.case-card__meta {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.case-card__arrow {
  flex-shrink: 0;
  font-size: 1.125rem;
  color: var(--text-muted);
  transition: color var(--transition), transform var(--transition);
}

.case-card:hover .case-card__arrow {
  color: var(--brand-strong);
  transform: translateX(2px);
}

/* ── Steps ── */
.steps {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.steps--cards {
  gap: 0.75rem;
}

.step {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.steps--cards .step {
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.steps--cards .step:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}

.step:last-child { border-bottom: none; }

.steps--cards .step:last-child {
  border-bottom: 1px solid var(--border);
}

.step__num {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-muted);
  padding-top: 0.15rem;
}

.steps--cards .step__num {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 0;
  border-radius: 50%;
  background: var(--bg-white);
  border: 1px solid var(--border);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--brand-strong);
}

.step__body {
  min-width: 0;
}

.step__title {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.375rem;
}

.step__desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── Pricing ── */
.pricing-grid {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.pricing-card {
  padding: 1.5rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.pricing-card__label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.pricing-card__price {
  font-size: clamp(1.5rem, 4vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.pricing-card__period {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.pricing-card__note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.pricing-grid + .bullet-list {
  margin-top: 1.25rem;
}

/* ── FAQ ── */
.faq {
  display: flex;
  flex-direction: column;
}

.faq__item {
  border-bottom: 1px solid var(--border);
}

.faq__item summary {
  padding: 1.25rem 0;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq__item summary::-webkit-details-marker { display: none; }

.faq__item summary::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq__item[open] summary::after { content: "−"; }

.faq__answer {
  padding: 0 0 1.25rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ── Page header (sub pages) ── */
.page-header {
  padding: 7rem 1.5rem 3rem;
  background: var(--bg-white);
  text-align: center;
}

.page-header__inner {
  max-width: var(--content-narrow);
  margin: 0 auto;
}

.page-header__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brand-strong);
  margin-bottom: 0.75rem;
}

.page-header__title {
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 1rem;
}

.page-header__desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 46ch;
  margin: 0 auto;
  line-height: 1.75;
}

/* ── Form ── */
.form-section {
  padding: 0 1.5rem 5rem;
  background: var(--bg);
}

.form-section__inner {
  max-width: var(--form-max);
  margin: 0 auto;
}

.form-microcopy {
  text-align: center;
  margin-bottom: 2rem;
}

.form-microcopy p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.form-microcopy p + p {
  margin-top: 0.375rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.form-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-sm);
}

.form-notice {
  display: flex;
  gap: 0.625rem;
  align-items: flex-start;
  padding: 0.875rem 1rem;
  margin-bottom: 1.75rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.form-notice svg {
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  margin-top: 0.15rem;
  color: var(--text-muted);
}

.form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.form__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}

.form__label-hint {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.form__required { color: var(--number-accent); }

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text);
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.form__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='rgba(107,114,128,0.8)' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form__textarea {
  min-height: 5.5rem;
  resize: vertical;
  line-height: 1.6;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--text-muted);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.06);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--text-muted);
}

/* ── Portfolio grid & athlete cards ── */
.portfolio {
  padding: 0 1.5rem 8rem;
  background: var(--bg-white);
}

.portfolio__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.portfolio__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.athlete-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  color: inherit;
  text-decoration: none;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  -webkit-tap-highlight-color: transparent;
}

.athlete-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.athlete-card__photo {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--bg-subtle);
}

.athlete-card__photo:not(.athlete-card__photo--placeholder)::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 42%;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0));
  z-index: 1;
  pointer-events: none;
}

.athlete-card__num {
  position: absolute;
  top: 0.5rem;
  right: 1.125rem;
  z-index: 2;
  font-size: clamp(3rem, 13vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
}

.athlete-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.4s ease;
}

@media (hover: hover) and (pointer: fine) {
  .athlete-card:hover .athlete-card__photo img {
    transform: scale(1.04);
  }
}

.athlete-card__photo--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, var(--brand-tint) 0%, var(--bg-subtle) 100%);
}

.jersey {
  position: relative;
  display: inline-block;
  line-height: 0;
}

.jersey__shape {
  display: block;
  width: 100%;
  height: auto;
}

.jersey__shape path {
  fill: var(--bg-white);
  stroke: var(--text);
  stroke-width: 5;
  stroke-linejoin: round;
}

.jersey__num {
  position: absolute;
  left: 50%;
  top: 47%;
  transform: translate(-50%, -50%);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--brand-strong);
}

.jersey--lg {
  width: 58%;
  max-width: 170px;
}

.jersey--lg .jersey__num {
  font-size: clamp(1.75rem, 8vw, 2.75rem);
}

.athlete-card__info {
  padding: 1rem 1.125rem;
  border-top: 1px solid var(--border);
}

.athlete-card__line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0.5rem;
  font-size: 1rem;
  line-height: 1.45;
}

.athlete-card__name {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.athlete-card__detail {
  color: var(--text-secondary);
}

.athlete-card__detail::before {
  content: "·";
  margin-right: 0.5rem;
  color: var(--text-muted);
}

.btn--disabled {
  background: var(--bg-subtle);
  color: var(--text-muted);
  border-color: var(--border);
  cursor: not-allowed;
  pointer-events: none;
}

/* ── CTA banner ── */
.cta-banner {
  border-top: 1px solid var(--border);
  padding-bottom: 11rem;
}

/* ── Footer ── */
.footer {
  background: var(--bg-footer);
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.5rem 1.75rem;
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 1.5rem 2rem;
  margin-bottom: 1.75rem;
}

.footer__brand {
  margin-bottom: 0.5rem;
}

.footer__tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 28ch;
}

.footer__links-group {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer__links-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer__links a:hover { color: var(--text); }

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  align-items: center;
  text-align: center;
  padding-top: 0;
}

.footer__copy {
  font-size: 0.75rem;
  color: var(--text-muted);
}

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

/* ── Responsive ── */
@media (min-width: 640px) {
  .nav__toggle { display: none; }

  .brand-lockup__en,
  .brand-lockup__ko {
    font-size: 1.0625rem;
  }

  .nav__logo { order: 1; }

  .nav__right {
    order: 2;
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1.5rem;
    padding: 0;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: none;
    box-shadow: none;
  }

  .nav__links {
    flex-direction: row;
    gap: 1.5rem;
  }

  .nav__links a {
    padding: 0;
    font-size: 0.875rem;
  }

  .nav__cta {
    order: 3;
  }

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

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

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

  .form-card {
    padding: 2.5rem 2rem;
  }

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

  .footer__top {
    grid-template-columns: 2fr 1fr;
  }
}

@media (min-width: 768px) {
  .nav__inner,
  .section,
  .hero,
  .stats,
  .form-section,
  .page-header,
  .portfolio,
  .footer {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .section {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }

  .cta-banner {
    padding-bottom: 14rem;
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 960px) {
  .portfolio__grid {
    grid-template-columns: repeat(3, 1fr);
  }

}

/* ── Mobile-only hero tweaks ── */
@media (max-width: 639px) {
  .hero__headline {
    font-size: clamp(1.6rem, 7.2vw, 2.25rem);
    line-height: 1.3;
    text-wrap: balance;
  }

  .hero .btn-group {
    flex-wrap: nowrap;
    gap: 0.5rem;
  }

  .hero .btn-group .btn {
    flex: 1 1 0;
    min-width: 0;
    padding: 0.75rem 0.5rem;
    font-size: 0.8125rem;
    white-space: nowrap;
  }
}