/* =============================================================================
   랜딩 페이지 — 토큰·컴포넌트·섹션 (모바일 퍼스트)
   폰트: index.html 에서 Google Fonts Noto Sans KR 로드 (로컬 font/ 미사용 시 404 방지)
   ============================================================================= */

/* --- Design tokens --- */
:root {
  --color-bg: #0f1419;
  --color-on-bg: #dee3ea;
  --color-surface: #0f1419;
  --color-surface-dim: #0f1419;
  --color-surface-low: #171c21;
  --color-surface-lowest: #0a0f14;
  --color-surface-container: #1b2025;
  --color-surface-container-high: #252a30;
  --color-surface-container-highest: #30353b;
  --color-surface-bright: #353a3f;
  --color-on-surface: #dee3ea;
  --color-on-surface-variant: #c3c7cc;
  --color-outline: #8d9196;
  --color-outline-variant: #43474c;
  --color-primary: #e9c176;
  --color-primary-container: #190f00;
  --color-on-primary: #412d00;
  --color-on-primary-fixed: #261900;
  --color-secondary: #adc7ff;
  --color-secondary-container: #4a8eff;
  --color-on-secondary: #002e68;
  --color-error: #ffb4ab;
  --color-error-container: #93000a;
  --color-tertiary: #e9c349;

  --font-title: "Noto Sans KR", system-ui, sans-serif;
  --font-body: "Noto Sans KR", system-ui, sans-serif;

  --radius-sm: 0.125rem;
  --radius-md: 0.25rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;

  --shadow-nav: 0 24px 48px rgba(0, 0, 0, 0.5);
  --shadow-card: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  --shadow-cta: 0 0 50px -10px rgba(233, 193, 118, 0.5);
  --shadow-intelligence: 0 0 40px -10px rgba(74, 142, 255, 0.3);

  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  --container-max: 80rem; /* ~1280px */
  --container-narrow: 64rem;
  --container-tight: 56rem;
}

/* --- Reset & base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;
  background-color: var(--color-bg);
  color: var(--color-on-bg);
  -webkit-font-smoothing: antialiased;
  text-align: center;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* Selection (gold on dark) */
::selection {
  background-color: var(--color-primary);
  color: var(--color-on-primary-fixed);
}

/* --- Typography (titles: Paperlogy) --- */
h1,
h2,
h3,
h4,
h5,
h6,
.heading {
  font-family: var(--font-title);
  font-weight: 700;
  line-height: 1.15;
  margin: 0;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.container--tight {
  max-width: var(--container-tight);
}

/* 고정 헤더 높이만큼은 히어로 패딩에서 처리 (배경이 헤더 뒤까지 이어지도록 main 상단 여백 없음) */
.main {
  padding-top: 0;
}

/* --- Utilities --- */
.u-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;
}

.br-mobile {
  display: none;
}

@media (max-width: 767px) {
  .br-mobile {
    display: inline;
  }
}

.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.no-scrollbar::-webkit-scrollbar {
  display: none;
}

/* Gold / gradient surfaces */
.gold-gradient {
  background: linear-gradient(135deg, #e9c176 0%, #997735 100%);
}

.text-gradient {
  background: linear-gradient(135deg, #e9c176 0%, #ffdea5 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.glass-panel {
  background: rgba(37, 42, 48, 0.4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.intelligence-glow {
  box-shadow: var(--shadow-intelligence);
}

/* Material icon filled variant */
.icon--filled {
  font-variation-settings: "FILL" 1;
}

/* --- Components: buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base),
    background-color var(--transition-base), color var(--transition-base),
    border-color var(--transition-base), opacity var(--transition-base);
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: linear-gradient(135deg, #e9c176 0%, #997735 100%);
  color: var(--color-on-primary-fixed);
}

.btn--primary:hover {
  box-shadow: 0 8px 24px rgba(233, 193, 118, 0.35);
  transform: translateY(-2px);
}

.btn--primary:active {
  transform: scale(0.97) translateY(0);
}

.btn--lg {
  padding: 1rem 2.5rem;
  font-size: 1rem;
  text-transform: none;
  letter-spacing: normal;
}

.btn--xl {
  padding: 1.5rem 4rem;
  font-size: 1.25rem;
  font-weight: 800;
  text-transform: none;
  letter-spacing: normal;
  box-shadow: var(--shadow-cta);
}

.btn--outline {
  border: 1px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
  color: var(--color-primary);
  background: transparent;
}

.btn--outline:hover {
  background: color-mix(in srgb, var(--color-primary) 5%, transparent);
}

.btn--ghost {
  width: 100%;
  border: 1px solid var(--color-outline-variant);
  color: var(--color-on-surface);
  text-transform: none;
  letter-spacing: normal;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
}

.btn--ghost:hover {
  background: var(--color-surface-container-high);
}

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

/* --- Components: badge / pill --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  margin-bottom: 1.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  background: var(--color-surface-container-high);
  border: 1px solid color-mix(in srgb, var(--color-outline-variant) 15%, transparent);
  border-radius: 9999px;
}

.badge__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-secondary);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

/* --- Components: cards --- */
.card {
  padding: 2rem;
  background: var(--color-surface-container);
  border: 1px solid color-mix(in srgb, var(--color-outline-variant) 10%, transparent);
  border-radius: var(--radius-xl);
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.card:hover {
  border-color: color-mix(in srgb, var(--color-primary) 30%, transparent);
}

.card--feature {
  background: var(--color-surface-low);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
}

.card--feature .material-symbols-outlined {
  display: block;
  margin-bottom: 1.5rem;
  font-size: 2.25rem;
  color: var(--color-secondary);
  transition: transform var(--transition-base);
}

.card--feature:hover .material-symbols-outlined {
  transform: scale(1.1);
}

.card--pricing {
  display: flex;
  flex-direction: column;
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  border: 1px solid color-mix(in srgb, var(--color-outline-variant) 15%, transparent);
  background: var(--color-surface-container);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  text-align: center;
}

.card--pricing:hover {
  box-shadow: var(--shadow-card);
}

.card--pricing-featured {
  position: relative;
  border-width: 2px;
  border-color: var(--color-primary);
  background: var(--color-surface-container-high);
}

@media (min-width: 768px) {
  .card--pricing-featured {
    transform: scale(1.05);
    z-index: 1;
  }
}

.card--pricing-featured:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

@media (min-width: 768px) {
  .card--pricing-featured:hover {
    transform: scale(1.05) translateY(-2px);
  }
}

.card__price {
  font-family: var(--font-title);
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 2rem;
}

.card__price-suffix {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-on-surface-variant);
}

.card__ribbon {
  position: absolute;
  top: -1rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.25rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-on-primary-fixed);
  background: var(--color-primary);
  border-radius: 9999px;
}

/* --- Site header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: 5rem;
  background: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas: "logo mlang menu";
  align-items: center;
  gap: 0.5rem;
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(0.75rem, 4vw, 2rem);
}

.site-header__logo {
  grid-area: logo;
  display: flex;
  align-items: center;
  line-height: 0;
  transition: opacity var(--transition-base);
}

.site-header__logo:hover {
  opacity: 0.9;
}

.site-header__logo-img {
  display: block;
  /* 모바일: 헤더 안에서 로고를 크게 */
  height: clamp(2.35rem, 9vw, 3.5rem);
  width: auto;
  max-width: min(52vw, 14rem);
  object-fit: contain;
}

/* 데스크톱: 로고 | 네비 | 언어+CTA */
@media (min-width: 768px) {
  .site-header__logo-img {
    height: clamp(1.75rem, 5vw, 2.5rem);
    max-width: 10rem;
  }

  .site-header__inner {
    grid-template-columns: auto 1fr auto;
    grid-template-areas: "logo nav toolbar";
    gap: 1rem;
  }

  .site-header__mobile-lang {
    display: none !important;
  }

  .site-header__menu-btn {
    display: none !important;
  }
}

/* 모바일: 로고 | 언어 셀렉트 | 메뉴 버튼 */
.site-header__mobile-lang {
  grid-area: mlang;
  justify-self: center;
  min-width: 0;
  max-width: 100%;
}

.site-header__menu-btn {
  grid-area: menu;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  transition: background var(--transition-base), color var(--transition-base);
}

.site-header__menu-btn:hover {
  background: rgba(255, 255, 255, 0.14);
}

.site-header__menu-btn .material-symbols-outlined {
  font-size: 1.5rem;
}

.site-header__toolbar--desktop {
  grid-area: toolbar;
  display: none;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .site-header__toolbar--desktop {
    display: flex;
  }
}

.lang-select {
  appearance: auto;
  max-width: 100%;
  padding: 0.45rem 0.6rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-on-bg);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.lang-select--mobile {
  min-width: 0;
  max-width: 9.5rem;
  padding-inline: 0.4rem;
  font-size: 0.75rem;
}

.site-header__cta {
  flex-shrink: 0;
  white-space: nowrap;
}

.site-nav {
  display: none;
  grid-area: nav;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 2vw, 2rem);
  flex-wrap: wrap;
}

@media (min-width: 768px) {
  .site-nav {
    display: none;
  }
}

.site-nav__link {
  font-family: var(--font-title);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.88);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.45);
  opacity: 0.92;
  transition: opacity var(--transition-base);
}

.site-nav__link:hover {
  opacity: 1;
  color: #ffffff;
}

.side-section-nav {
  display: none;
}

@media (min-width: 1024px) {
  .side-section-nav {
    position: fixed;
    right: clamp(0.75rem, 2vw, 1.5rem);
    top: 50%;
    transform: translateY(-50%);
    z-index: 120;
    display: grid;
    gap: 0.5rem;
  }

  .side-section-nav__item {
    min-width: 8.25rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid color-mix(in srgb, var(--color-primary) 72%, #ffffff 28%);
    border-radius: 0.375rem;
    color: var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 8%, transparent);
    font-family: var(--font-title);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-align: center;
    transition: background-color var(--transition-fast), border-color var(--transition-fast),
      box-shadow var(--transition-fast), transform var(--transition-fast);
  }

  .side-section-nav__item:hover {
    border-color: var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 20%, transparent);
    transform: translateX(-2px);
  }

  .side-section-nav__item.is-active {
    border-color: var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 28%, transparent);
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-primary) 55%, transparent),
      0 8px 24px rgba(0, 0, 0, 0.3);
  }
}

/* 모바일 우측 슬라이드 드로어 */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
}

.mobile-drawer:not([hidden]) {
  pointer-events: auto;
}

.mobile-drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  opacity: 0;
  transition: opacity 0.28s ease;
}

.mobile-drawer.is-open .mobile-drawer__backdrop {
  opacity: 1;
}

.mobile-drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  width: min(100%, 20rem);
  height: 100%;
  max-height: 100dvh;
  padding: 0 0 1.5rem;
  background: var(--color-surface-container-high);
  border-left: 1px solid color-mix(in srgb, var(--color-outline-variant) 25%, transparent);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.45);
  transform: translateX(100%);
  transition: transform 0.28s ease;
  overflow-y: auto;
}

.mobile-drawer.is-open .mobile-drawer__panel {
  transform: translateX(0);
}

.mobile-drawer__head {
  display: flex;
  justify-content: flex-end;
  padding: 0.75rem 0.75rem 0.25rem;
}

.mobile-drawer__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  color: var(--color-on-bg);
  background: transparent;
  border-radius: var(--radius-md);
  transition: background var(--transition-base);
}

.mobile-drawer__close:hover {
  background: rgba(255, 255, 255, 0.08);
}

.mobile-drawer__nav {
  display: flex;
  flex-direction: column;
  padding: 0.5rem 1.25rem 1.25rem;
  gap: 0.25rem;
}

.mobile-drawer__link {
  padding: 0.85rem 0.75rem;
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-on-bg);
  border-radius: var(--radius-md);
  transition: background var(--transition-base);
}

.mobile-drawer__link:hover {
  background: rgba(255, 255, 255, 0.06);
}

.mobile-drawer__cta {
  margin: 0 1.25rem 1.25rem;
}

.mobile-drawer__logo-wrap {
  margin-top: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1.5rem 1.25rem 0.5rem;
}

.mobile-drawer__logo-img {
  width: min(85%, 14rem);
  height: auto;
  max-height: 5rem;
  object-fit: contain;
}

body.drawer-open {
  overflow: hidden;
}

/* --- Sections (shared) --- */
.section {
  padding-block: clamp(3rem, 8vw, 6rem);
}

.section--surface-low {
  background: var(--color-surface-low);
}

.section--surface-lowest {
  background: var(--color-surface-lowest);
}

.section--stats {
  background: var(--color-surface-container-highest);
  border-block: 1px solid color-mix(in srgb, var(--color-outline-variant) 10%, transparent);
  padding-block: 5rem;
}

/* --- TradingView 차트 섹션 --- */
.chart-section__eyebrow {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.35rem 1rem;
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-primary) 35%, transparent);
  border-radius: 9999px;
}

.chart-section__shell {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding: clamp(0.75rem, 2vw, 1rem);
  border-radius: var(--radius-2xl);
  border: 1px solid color-mix(in srgb, var(--color-outline-variant) 45%, transparent);
  box-shadow: var(--shadow-card);
  text-align: left;
}

.chart-section__frame {
  position: relative;
  width: 100%;
  height: min(520px, 68vh);
  min-height: 320px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-container);
}

.chart-section__widget-root {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.chart-section__credit {
  margin: 0.75rem 0 0;
  font-size: 0.75rem;
  color: var(--color-on-surface-variant);
  text-align: center;
}

.chart-section__credit a {
  color: var(--color-secondary);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.chart-section__fallback {
  margin: 0;
  padding: 2rem 1rem;
  text-align: center;
  color: var(--color-on-surface-variant);
  font-size: 0.9375rem;
}

.section--security {
  position: relative;
  padding-block: clamp(2.5rem, 6vw, 4rem);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-primary) 12%, transparent) 0%,
    var(--color-surface-lowest) 45%,
    var(--color-bg) 100%
  );
  border-block: 1px solid color-mix(in srgb, var(--color-primary) 35%, transparent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.section--cta-final {
  position: relative;
  overflow: hidden;
  padding-block: clamp(4rem, 12vw, 8rem);
}

.section--cta-final::before {
  content: "";
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--color-primary) 5%, transparent);
  opacity: 0.3;
  pointer-events: none;
}

.section__intro {
  text-align: center;
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.section__intro .section__title {
  margin-bottom: 0.5rem;
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section__subtitle {
  margin: 0;
  font-size: 1rem;
  color: var(--color-on-surface-variant);
}

@media (min-width: 768px) {
  .section__title--lg {
    font-size: 2.5rem;
  }
}

/* --- Hero: 배경 영상 + 중앙 화이트 텍스트 (배경은 뷰포트 상단부터, 헤더 뒤까지 보임) --- */
.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: min(88vh, 56rem);
  /* 고정 헤더(5rem) 아래로 시작 */
  padding-top: calc(5rem + clamp(4rem, 12vw, 7rem));
  padding-bottom: clamp(4rem, 12vw, 7rem);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__video {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: translateZ(0);
  backface-visibility: hidden;
  pointer-events: none;
}

/* 가벼운 딤 (가독성은 텍스트 그림자로 보완) */
.hero__bg-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(8, 12, 18, 0.22) 0%,
    rgba(8, 12, 18, 0.32) 45%,
    rgba(8, 12, 18, 0.42) 100%
  );
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .hero__video {
    display: none;
  }

  .hero__bg {
    background: var(--color-bg);
  }
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  width: 100%;
}

.hero__content {
  max-width: 42rem;
  margin-inline: auto;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: #ffffff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.45), 0 4px 28px rgba(0, 0, 0, 0.55);
}

.hero__title-accent {
  color: #ffffff;
}

.hero__lead {
  font-size: 1.125rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.96);
  max-width: 36rem;
  margin-inline: auto;
  margin-bottom: 2.5rem;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5), 0 2px 18px rgba(0, 0, 0, 0.45);
}

/* 히어로 배지: 밝은 글래스 톤 */
.badge--hero {
  color: #ffffff;
  background: rgba(0, 0, 0, 0.28);
  border-color: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
  font-size: clamp(0.95rem, 1.65vw, 1.25rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  padding: 0.45rem 1rem;
  animation: hero-badge-flash 1.1s steps(1, end) infinite, hero-badge-scale 1.35s ease-in-out infinite;
}

.badge__dot--hero {
  width: 0.65rem;
  height: 0.65rem;
  background: #ffffff;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.55);
  animation: hero-dot-flash 1.1s steps(1, end) infinite;
}

@keyframes hero-badge-flash {
  0%,
  45% {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.7);
  }
  50%,
  100% {
    color: #ff4d4d;
    border-color: rgba(255, 77, 77, 0.9);
  }
}

@keyframes hero-badge-scale {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.07);
  }
}

@keyframes hero-dot-flash {
  0%,
  45% {
    background: #ffffff;
    box-shadow: 0 0 18px rgba(255, 255, 255, 0.65);
  }
  50%,
  100% {
    background: #ff4d4d;
    box-shadow: 0 0 18px rgba(255, 77, 77, 0.85);
  }
}

@media (prefers-reduced-motion: reduce) {
  .badge--hero,
  .badge__dot--hero {
    animation: none;
  }
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* 히어로 CTA: 문장형 라벨 */
.hero__actions .btn {
  text-transform: none;
  letter-spacing: normal;
  font-size: 1rem;
}

.btn--outline-hero {
  border-color: rgba(255, 255, 255, 0.55);
  color: #ffffff;
  background: transparent;
}

.btn--outline-hero:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.75);
}

/* --- 히어로 하단: 실시간 시세 티커 (가로 무한 스크롤) --- */
.ticker-tape {
  position: relative;
  z-index: 2;
  width: 100%;
  border-block: 1px solid color-mix(in srgb, var(--color-outline-variant) 45%, transparent);
  background: color-mix(in srgb, var(--color-surface-lowest) 95%, #000 5%);
  color: var(--color-on-surface);
  text-align: left;
}

.ticker-tape__viewport {
  overflow: hidden;
  min-height: 3rem;
  display: flex;
  align-items: center;
}

.ticker-tape__track {
  display: flex;
  width: max-content;
  animation: ticker-marquee 55s linear infinite;
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  .ticker-tape__track {
    animation: none;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    row-gap: 0.5rem;
    padding-block: 0.5rem;
  }
}

@keyframes ticker-marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.ticker-tape__group {
  display: flex;
  flex-shrink: 0;
  align-items: stretch;
}

.ticker-tape__item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 1.35rem;
  border-right: 1px solid color-mix(in srgb, var(--color-outline-variant) 45%, transparent);
  white-space: nowrap;
  font-size: 0.8125rem;
}

.ticker-tape__icon {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.ticker-tape__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
  line-height: 1.2;
}

.ticker-tape__name {
  font-weight: 800;
  color: var(--color-on-surface);
  font-size: 0.8125rem;
}

.ticker-tape__row {
  display: flex;
  align-items: baseline;
  flex-wrap: nowrap;
  gap: 0.35rem;
}

.ticker-tape__price {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.ticker-tape__price--up {
  color: #0d9488;
}

.ticker-tape__price--down {
  color: #dc2626;
}

.ticker-tape__chg {
  font-weight: 600;
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

.ticker-tape__loading,
.ticker-tape__error {
  margin: 0;
  padding: 0.65rem 1rem;
  font-size: 0.8125rem;
  color: var(--color-on-surface-variant);
  text-align: center;
  width: 100%;
}

.ticker-tape__error {
  color: var(--color-error);
}

.ticker-tape--secondary {
  border-top: none;
}

/* --- 우측 하단 TOP 버튼 --- */
.to-top-btn {
  position: fixed;
  right: clamp(0.9rem, 2vw, 1.5rem);
  bottom: clamp(1rem, 2.5vw, 1.5rem);
  z-index: 180;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid color-mix(in srgb, var(--color-primary) 70%, #fff 30%);
  border-radius: 0.5rem;
  background: color-mix(in srgb, var(--color-primary) 15%, var(--color-surface-lowest));
  color: var(--color-primary);
  font-family: var(--font-title);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-base), transform var(--transition-base),
    background-color var(--transition-fast);
}

.to-top-btn.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top-btn:hover {
  background: color-mix(in srgb, var(--color-primary) 28%, var(--color-surface-lowest));
}

.to-top-btn .material-symbols-outlined {
  font-size: 1rem;
}

.floating-rocket-link {
  position: fixed;
  right: clamp(0.8rem, 2vw, 1.45rem);
  bottom: clamp(4.2rem, 10vw, 4.8rem);
  z-index: 179;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.65rem;
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.32);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.floating-rocket-link img {
  display: block;
  width: clamp(2.4rem, 4.5vw, 2.8rem);
  height: auto;
}

.floating-rocket-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}

/* --- Pain grid --- */
.pain-section__inner {
  max-width: 56rem;
  margin-inline: auto;
  text-align: center;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.pain-section__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 1.5rem;
}

.pain-section__lead {
  font-size: 1.125rem;
  color: var(--color-on-surface-variant);
  margin-bottom: 3rem;
  line-height: 1.65;
}

.pain-grid {
  display: grid;
  gap: 1.5rem;
  text-align: center;
}

@media (min-width: 768px) {
  .pain-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pain-card .material-symbols-outlined {
  font-size: 2.25rem;
  color: var(--color-error);
  margin-bottom: 1rem;
}

.pain-card__title {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.pain-card__text {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-on-surface-variant);
  line-height: 1.6;
}

/* --- Solution --- */
.solution {
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

@media (min-width: 1024px) {
  .solution {
    flex-direction: row;
  }

  .solution__media {
    flex: 1;
    order: 1;
  }

  .solution__content {
    flex: 1;
    order: 2;
  }
}

.solution__content {
  text-align: center;
}

.solution__img {
  display: block;
  width: 100%;
  max-width: 800px;
  margin-inline: auto;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-card);
  border: 1px solid color-mix(in srgb, var(--color-outline-variant) 20%, transparent);
}

.solution__title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 2rem;
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature-list__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}

.feature-list__icon {
  flex-shrink: 0;
  padding: 0.5rem;
  border-radius: var(--radius-lg);
  background: var(--color-primary-container);
  color: var(--color-primary);
}

.feature-list__heading {
  font-family: var(--font-title);
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
}

.feature-list__text {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-on-surface-variant);
  line-height: 1.6;
}

/* --- Signal demo --- */
.signal-demo {
  overflow-x: hidden;
}

.signal-demo__stats--inline {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: 1rem;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.signal-demo__stat {
  padding: 1rem;
  background: var(--color-surface-container);
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--color-outline-variant) 15%, transparent);
}

.signal-demo__stat-label {
  font-size: 0.75rem;
  color: var(--color-on-surface-variant);
  margin-bottom: 0.25rem;
}

.signal-demo__stat-value {
  font-family: var(--font-body);
  font-size: 1.5rem;
  font-weight: 700;
}

.signal-demo__stat-value--secondary {
  color: var(--color-secondary);
}

.signal-demo__stat-value--primary {
  color: var(--color-primary);
}

.signal-demo__fullbleed {
  position: relative;
  width: 100%;
}

.signal-demo__slides {
  position: relative;
  width: 100%;
  max-width: 980px;
  margin-inline: auto;
  aspect-ratio: 1200 / 780;
  min-height: 0;
  overflow: hidden;
  background: var(--color-bg);
}

.signal-demo__slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.signal-demo__slide--active {
  opacity: 1;
  z-index: 1;
}

.signal-demo__dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: clamp(0.75rem, 2vw, 1.25rem);
  padding-bottom: 0.25rem;
}

.signal-demo__dot {
  width: 0.5rem;
  height: 0.5rem;
  padding: 0;
  border: none;
  border-radius: 9999px;
  background: color-mix(in srgb, var(--color-on-surface-variant) 45%, transparent);
  cursor: pointer;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.signal-demo__dot:hover,
.signal-demo__dot:focus-visible {
  background: color-mix(in srgb, var(--color-primary) 70%, transparent);
  outline: none;
}

.signal-demo__dot--active {
  background: var(--color-primary);
  transform: scale(1.15);
}

.mini-carousel-section .section__intro {
  margin-bottom: 1.25rem;
}

.mini-carousel {
  max-width: min(1100px, 100%);
  margin-inline: auto;
}

.mini-carousel__slides {
  position: relative;
  width: 100%;
  min-height: clamp(20rem, 62vh, 34rem);
  background: transparent;
  overflow: hidden;
}

.mini-carousel__slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transition: opacity 0.38s ease;
}

.mini-carousel__slide--active {
  opacity: 1;
}

.mini-carousel__dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.8rem;
}

.mini-carousel__dot {
  width: 0.5rem;
  height: 0.5rem;
  padding: 0;
  border: none;
  border-radius: 9999px;
  background: color-mix(in srgb, var(--color-on-surface-variant) 45%, transparent);
}

.mini-carousel__dot--active {
  background: var(--color-primary);
}

@media (min-width: 768px) {
  .signal-demo__slides {
    min-height: clamp(17rem, 38vh, 28rem);
  }

  .mini-carousel__slides {
    min-height: clamp(18rem, 50vh, 30rem);
  }
}

@media (max-width: 767px) {
  .signal-demo__slides {
    min-height: clamp(18rem, 58vh, 26rem);
  }

  .signal-demo__slide {
    object-fit: contain;
    object-position: center center;
  }

  .mini-carousel-section .container {
    padding-inline: 0.6rem;
  }

  .mini-carousel-section .section__intro {
    margin-bottom: 0.8rem;
  }

  .mini-carousel__slides {
    min-height: clamp(17rem, 56vh, 24rem);
  }

  /* 실시간 지수·시세 섹션: 모바일에서 제목만 한 단계 작게 */
  #sise-title.section__title {
    font-size: clamp(0.95rem, 3.6vw, 1.22rem);
    line-height: 1.32;
    letter-spacing: -0.025em;
  }
}

/* --- Features grid --- */
.features-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.card--feature .card__title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.card--feature .card__text {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-on-surface-variant);
  line-height: 1.65;
}

/* --- Stats row --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(2rem, 5vw, 3rem);
  text-align: center;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

@media (min-width: 768px) {
  .stats-row {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stats-row__value {
  font-family: var(--font-body);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.stats-row__value--count {
  display: inline-flex;
  align-items: baseline;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 100%;
}

.stats-row__prefix,
.stats-row__suffix {
  font-weight: inherit;
  color: inherit;
}

.stats-row__num {
  font-variant-numeric: tabular-nums;
}

.stats-row__label {
  font-size: 0.875rem;
  color: var(--color-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

/* --- 비교 섹션 (프리미엄 테이블) --- */
.section--compare {
  position: relative;
  background: radial-gradient(ellipse 120% 80% at 50% 0%, rgba(74, 142, 255, 0.09), transparent 55%),
    radial-gradient(ellipse 90% 60% at 80% 100%, rgba(233, 193, 118, 0.06), transparent 50%),
    var(--color-bg);
}

.compare-section__header {
  text-align: center;
  max-width: 40rem;
  margin-inline: auto;
  margin-bottom: clamp(2rem, 5vw, 3rem);
}

.compare-section__eyebrow {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.35rem 1rem;
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-secondary);
  background: color-mix(in srgb, var(--color-secondary) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-secondary) 35%, transparent);
  border-radius: 9999px;
}

.compare-section__title {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
  background: linear-gradient(135deg, #f0f4fa 0%, #c8d4e0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.compare-section__lead {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-on-surface-variant);
}

.compare-section__lead strong {
  color: var(--color-on-bg);
  font-weight: 700;
}

.compare-shell {
  position: relative;
  border-radius: var(--radius-xl);
  padding: clamp(0.35rem, 1.5vw, 0.5rem);
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--color-primary) 45%, transparent),
    color-mix(in srgb, var(--color-secondary) 35%, transparent),
    color-mix(in srgb, var(--color-primary) 25%, transparent)
  );
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
}

.compare-shell::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius-xl) - 1px);
  background: var(--color-surface-container-low);
  pointer-events: none;
  z-index: 0;
}

.compare-shell > * {
  position: relative;
  z-index: 1;
}

.compare-wrap--premium {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: calc(var(--radius-xl) - 2px);
}

.compare-table--premium {
  width: 100%;
  min-width: 34rem;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border-radius: calc(var(--radius-xl) - 4px);
}

.compare-table--premium thead .compare-table__th {
  padding: 1.25rem 1rem;
  vertical-align: middle;
  font-family: var(--font-title);
  font-weight: 800;
  text-align: center;
  border: none;
}

.compare-table__th--feature {
  width: 26%;
  background: color-mix(in srgb, var(--color-surface-container) 95%, transparent) !important;
  color: var(--color-on-surface-variant);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.compare-table__th--manual {
  width: 37%;
  background: linear-gradient(180deg, color-mix(in srgb, #ef4444 18%, transparent), color-mix(in srgb, var(--color-surface-container) 92%, transparent)) !important;
  border-left: 1px solid color-mix(in srgb, var(--color-outline-variant) 25%, transparent) !important;
  color: var(--color-on-bg);
}

.compare-table__th--ai {
  position: relative;
  width: 37%;
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--color-primary) 28%, transparent),
    color-mix(in srgb, var(--color-secondary) 15%, transparent),
    color-mix(in srgb, var(--color-bg) 40%, transparent)
  ) !important;
  border-left: 1px solid color-mix(in srgb, var(--color-primary) 45%, transparent) !important;
  box-shadow: inset 0 0 40px color-mix(in srgb, var(--color-primary) 12%, transparent);
}

.compare-table__th-badge {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  padding: 0.2rem 0.55rem;
  font-size: 0.625rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-on-primary-fixed);
  background: linear-gradient(135deg, var(--color-primary), #b8893a);
  border-radius: 9999px;
  box-shadow: 0 2px 10px rgba(233, 193, 118, 0.35);
}

.compare-table__th-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.compare-table__th-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  font-size: 1.35rem;
}

.compare-table__th-icon--manual {
  color: #fca5a5;
  background: color-mix(in srgb, #ef4444 22%, transparent);
  border: 1px solid color-mix(in srgb, #ef4444 35%, transparent);
}

.compare-table__th-icon--ai {
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-primary) 45%, transparent);
  box-shadow: 0 0 20px color-mix(in srgb, var(--color-primary) 25%, transparent);
}

.compare-table__th-label {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  letter-spacing: -0.02em;
}

.compare-table__th-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  opacity: 0.85;
}

.compare-table__th-tag--manual {
  color: #f87171;
}

.compare-table__th-tag--ai {
  color: var(--color-secondary);
}

.compare-table--premium tbody tr {
  transition: background var(--transition-base);
}

.compare-table--premium tbody tr:hover {
  background: color-mix(in srgb, var(--color-surface-container-high) 55%, transparent);
}

.compare-table--premium tbody th,
.compare-table--premium tbody td {
  padding: 1.15rem 1rem;
  border-bottom: 1px solid color-mix(in srgb, var(--color-outline-variant) 12%, transparent);
  vertical-align: middle;
}

.compare-table--premium tbody tr:last-child th,
.compare-table--premium tbody tr:last-child td {
  border-bottom: none;
}

.compare-table__row-h {
  text-align: left;
  font-family: var(--font-title);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-on-bg);
  background: color-mix(in srgb, var(--color-surface-container) 40%, transparent);
}

.compare-table--premium tbody td:nth-child(2) {
  background: color-mix(in srgb, #ef4444 5%, transparent);
  border-left: 1px solid color-mix(in srgb, var(--color-outline-variant) 12%, transparent);
}

.compare-table--premium tbody td:nth-child(3) {
  background: color-mix(in srgb, var(--color-secondary) 7%, transparent);
  border-left: 1px solid color-mix(in srgb, var(--color-primary) 18%, transparent);
  box-shadow: inset 4px 0 24px color-mix(in srgb, var(--color-primary) 6%, transparent);
}

.compare-cell {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-family: var(--font-title);
  font-size: clamp(0.875rem, 2vw, 1rem);
  font-weight: 700;
  line-height: 1.35;
}

.compare-cell--manual {
  color: color-mix(in srgb, #fca5a5 85%, var(--color-on-surface-variant));
}

.compare-cell--ai {
  color: var(--color-secondary);
  text-shadow: 0 0 24px color-mix(in srgb, var(--color-secondary) 25%, transparent);
}

.compare-cell__ico {
  font-size: 1.25rem !important;
  flex-shrink: 0;
}

.compare-cell__ico--bad {
  color: #f87171;
  opacity: 0.95;
}

.compare-cell__ico--good {
  color: #4ade80;
  filter: drop-shadow(0 0 6px color-mix(in srgb, #4ade80 50%, transparent));
}

.compare-shell__footnote {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin: 1rem 1.25rem 0.75rem;
  font-size: 0.75rem;
  color: var(--color-on-surface-variant);
  line-height: 1.5;
}

.compare-shell__footnote .material-symbols-outlined {
  font-size: 1rem;
  color: var(--color-primary);
}

@media (prefers-reduced-motion: reduce) {
  .compare-table--premium tbody tr {
    transition: none;
  }
}

/* --- Steps --- */
/* 연결선은 그리드 밖 래퍼에 두어 4열 레이아웃과 충돌하지 않게 함 */
.steps-wrap {
  position: relative;
}

@media (min-width: 768px) {
  .steps-wrap::before {
    content: "";
    position: absolute;
    top: 3rem;
    left: 0;
    right: 0;
    height: 2px;
    background: color-mix(in srgb, var(--color-outline-variant) 20%, transparent);
    z-index: 0;
  }
}

.steps {
  position: relative;
  display: grid;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
  }
}

.step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.step__circle {
  width: 6rem;
  height: 6rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  background: var(--color-surface-container);
  border: 4px solid var(--color-bg);
}

.step__circle .material-symbols-outlined {
  font-size: 2rem;
  color: var(--color-primary);
}

.step__title {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.step__text {
  margin: 0;
  font-size: 0.75rem;
  color: var(--color-on-surface-variant);
  line-height: 1.5;
}

/* --- 구독 플랜 (RocketCenter 연동) --- */
.section--subscribe .section__intro {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.subscribe-plan__head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.subscribe-plan__coin {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #f7931a, #e2761b);
  color: #fff;
  box-shadow: 0 4px 16px rgba(247, 147, 26, 0.35);
}

.subscribe-plan__coin .material-symbols-outlined {
  font-size: 1.5rem;
}

.subscribe-plan__titles {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  text-align: left;
}

.subscribe-plan__ko {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-on-bg);
}

.subscribe-plan__en {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-on-surface-variant);
  letter-spacing: 0.04em;
}

.subscribe-grid {
  display: grid;
  gap: 1.5rem;
  max-width: 44rem;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

@media (min-width: 768px) {
  .subscribe-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: var(--container-max);
    align-items: stretch;
  }
}

.subscribe-card {
  text-align: center;
}

.subscribe-card__label {
  margin: 0 0 0.75rem;
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-on-surface-variant);
}

.subscribe-card__note {
  margin: 0 0 1.5rem;
  font-size: 0.9375rem;
  color: var(--color-on-surface-variant);
  line-height: 1.5;
}

.subscribe-card__was {
  margin: 0 0 0.35rem;
  font-size: 0.9375rem;
  color: var(--color-on-surface-variant);
  text-decoration: line-through;
  opacity: 0.85;
}

.subscribe-card__price--sale {
  color: var(--color-primary);
}

.subscribe-card .btn {
  margin-top: auto;
}

.subscribe-card--featured .card__ribbon {
  font-size: 0.7rem;
}

/* --- Pricing --- */
.pricing-grid {
  display: grid;
  gap: 2rem;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.pricing-grid .btn {
  text-transform: none;
  letter-spacing: normal;
}

@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
  }
}

.pricing-card__tier {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pricing-card__list {
  list-style: none;
  margin: 0 0 2.5rem;
  padding: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.pricing-card__list li {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--color-on-surface-variant);
}

.card--pricing-featured .pricing-card__list li {
  color: var(--color-on-surface);
}

.pricing-card__list .material-symbols-outlined {
  font-size: 1.125rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* --- Security strip (눈에 띄는 카드형) --- */
.security-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  max-width: 56rem;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

@media (min-width: 900px) {
  .security-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.25rem;
    max-width: 72rem;
  }
}

.security-strip__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  gap: 0.85rem;
  min-height: 8.5rem;
  padding: 1.35rem 1rem 1.5rem;
  background: linear-gradient(
    165deg,
    color-mix(in srgb, var(--color-surface-container-high) 95%, transparent),
    color-mix(in srgb, var(--color-bg) 70%, transparent)
  );
  border: 1px solid color-mix(in srgb, var(--color-primary) 45%, transparent);
  border-radius: var(--radius-xl);
  box-shadow:
    0 4px 20px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.security-strip__item:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--color-primary) 70%, transparent);
  box-shadow:
    0 12px 36px rgba(0, 0, 0, 0.45),
    0 0 28px color-mix(in srgb, var(--color-primary) 18%, transparent);
}

.security-strip__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  font-size: 1.75rem !important;
  color: var(--color-primary);
  background: radial-gradient(
    circle at 30% 25%,
    color-mix(in srgb, var(--color-primary) 35%, transparent),
    color-mix(in srgb, var(--color-primary) 8%, transparent)
  );
  border: 1px solid color-mix(in srgb, var(--color-primary) 40%, transparent);
  border-radius: 50%;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--color-primary) 22%, transparent);
}

.security-strip__label {
  font-family: var(--font-body);
  font-size: clamp(0.8125rem, 2vw, 0.9375rem);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--color-on-bg);
  text-transform: none;
}

/* --- Final CTA --- */
.cta-final__inner {
  position: relative;
  z-index: 1;
  max-width: 56rem;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  text-align: center;
}

.cta-final__eyebrow {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

.cta-final__title {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 2rem;
  line-height: 1.2;
}

.cta-final__text {
  margin: 0 0 3rem;
  font-size: 1.125rem;
  color: var(--color-on-surface-variant);
  line-height: 1.65;
}

/* --- Footer --- */
.site-footer {
  margin-top: auto;
  padding-block: 3rem;
  background: var(--color-surface-low);
}

.site-footer__grid {
  display: grid;
  gap: 2rem;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  text-align: center;
}

@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.site-footer__brand {
  font-family: var(--font-title);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-on-bg);
  margin-bottom: 1rem;
}

.site-footer__legal {
  font-size: 0.75rem;
  line-height: 1.65;
  color: color-mix(in srgb, var(--color-on-bg) 60%, transparent);
  max-width: 36rem;
  margin-inline: auto;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: center;
  align-items: center;
}

@media (min-width: 768px) {
  .site-footer__links {
    justify-content: center;
  }
}

.site-footer__links a {
  font-size: 0.75rem;
  color: color-mix(in srgb, var(--color-on-bg) 40%, transparent);
  transition: color var(--transition-base);
}

.site-footer__links a:hover {
  color: var(--color-secondary-container);
}