/* 공통 컴포넌트 — 버튼·칩·카드·섹션헤더·FAQ·CTA 배너·스텝 등 */

/* ---- 버튼 (pill) ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; border-radius: var(--radius-full);
  border: 0; transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}
.btn--sm { padding: 10px 20px; font-size: var(--fs-body-sm); }
.btn--md { padding: 12px 28px; font-size: var(--fs-body); }
.btn--lg { padding: 14px 32px; font-size: var(--fs-body); }
.btn--block { width: 100%; }

.btn--primary { background: var(--color-primary-500); color: var(--color-white); box-shadow: var(--shadow-btn); }
.btn--primary:hover { background: var(--color-primary-600); }

.btn--outline { background: var(--color-white); color: var(--color-primary-500); border: 1px solid var(--color-primary-300); }
.btn--outline:hover { background: var(--color-primary-25); }

/* CTA 배너 안 버튼 변형 */
.btn--white { background: var(--color-white); color: var(--color-primary-600); box-shadow: 0 8px 24px rgba(12, 19, 48, 0.25); }
.btn--white:hover { background: var(--color-primary-25); }
.btn--ghost { background: transparent; color: var(--color-white); border: 1px solid rgba(255, 255, 255, 0.5); }
.btn--ghost:hover { background: rgba(255, 255, 255, 0.12); }

/* ---- 칩 / 배지 ---- */
.chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px; border-radius: var(--radius-full);
  font-size: var(--fs-small); font-weight: 600; line-height: 1.5;
  background: var(--color-primary-25); color: var(--color-primary-600);
  border: 1px solid var(--color-primary-100);
}
.chip--solid { background: var(--color-primary-500); color: var(--color-white); border-color: var(--color-primary-500); }
.chip--new { background: var(--color-primary-500); color: var(--color-white); border-color: var(--color-primary-500); }

/* ---- 섹션 공통 ---- */
.section { padding: var(--section-py) 0; }
@media (min-width: 768px) { .section { padding: var(--section-py-md) 0; } }
.section--surface { background: var(--color-surface); }
.section--gray { background: var(--color-gray-50); }

.section-head { display: flex; flex-direction: column; align-items: center; text-align: center; gap: var(--sp-5); margin-bottom: var(--sp-14); }
.section-head--left { align-items: flex-start; text-align: left; }
.section-head .h2 { white-space: pre-line; }
.section-head .section-sub { max-width: 600px; }

/* ---- 카드 ---- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.card__body { padding: var(--sp-8); }
.card__title { font-size: var(--fs-h3-m); font-weight: 700; line-height: 1.45; color: var(--color-ink); margin-bottom: var(--sp-3); }
.card__desc { font-size: var(--fs-body-sm-m); line-height: 1.65; color: var(--color-gray-600); }
@media (min-width: 768px) {
  .card__title { font-size: var(--fs-h3); }
  .card__desc { font-size: var(--fs-body-sm); }
}
.card__thumb {
  aspect-ratio: 16 / 10;
  background: var(--gradient-card);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.card__thumb > img, .card__thumb > svg { width: 100%; height: 100%; object-fit: cover; }

/* 대형 기능 카드 (AI/Workflow/Communication) */
.card--feature { display: flex; flex-direction: column; gap: var(--sp-8); padding: var(--sp-8); }
@media (min-width: 1024px) {
  .card--feature { flex-direction: row; align-items: center; gap: var(--sp-16); padding: var(--sp-16); }
  .card--feature > .card__feature-text { flex: 0 0 360px; }
}
.card__feature-text { display: flex; flex-direction: column; align-items: flex-start; gap: var(--sp-4); }
/* flex-basis 0 — 콘텐츠 크기 순환 참조로 SVG가 축소되는 것을 방지 */
.card__feature-media { flex: 1 1 0; min-width: 0; }
/* 세로 스택 변형 — 좁은 카드(2열 그리드)용: 텍스트 위, 이미지 아래 */
.card--stack { flex-direction: column; align-items: stretch; gap: var(--sp-6); }
.card--stack .card__feature-text { flex: none; }
.card__feature-media img { width: 100%; border-radius: var(--radius-md); }
.card__feature-media .shot {
  border: 1px solid var(--color-gray-100);
  background: var(--color-white); box-shadow: var(--shadow-card);
}

/* ---- 스탯 카드 (By the Numbers) ---- */
.stat-card {
  border-radius: var(--radius-lg);
  padding: var(--sp-10);
  color: var(--color-white);
  display: flex; flex-direction: column; gap: var(--sp-3);
  min-height: 220px;
}
.stat-card__value { font-size: 48px; font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; }
.stat-card__label { font-size: var(--fs-body); font-weight: 700; }
.stat-card__desc { font-size: var(--fs-body-sm); line-height: 1.6; color: rgba(255, 255, 255, 0.75); }
.stat-card--blue { background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-500)); }
.stat-card--navy { background: var(--color-navy-900); border: 1px solid var(--color-primary-700); }

/* ---- 스티키 2단 섹션 (Pain Points, Numbers) ---- */
.split {
  display: grid; grid-template-columns: 1fr; gap: var(--sp-10);
}
.split__side { display: flex; flex-direction: column; gap: var(--sp-4); }
.split__side .h2 { white-space: pre-line; }
@media (min-width: 1024px) {
  .split { grid-template-columns: minmax(0, 360px) 1fr; gap: var(--sp-16); }
  .split__side { position: sticky; top: 112px; align-self: start; }
}

/* ---- FAQ 아코디언 ---- */
.faq-list { display: flex; flex-direction: column; gap: var(--sp-4); max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.faq-item__q {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4);
  width: 100%; padding: var(--sp-5) var(--sp-6);
  background: none; border: 0; text-align: left;
  font-size: var(--fs-body); font-weight: 700; color: var(--color-ink);
}
.faq-item__icon {
  flex: 0 0 auto;
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--color-primary-25); color: var(--color-primary-500);
  font-size: 18px; font-weight: 400; line-height: 1;
  transition: transform 0.25s ease;
}
.faq-item.is-open .faq-item__icon { transform: rotate(45deg); }
.faq-item__a { display: none; padding: 0 var(--sp-6) var(--sp-5); font-size: var(--fs-body-sm); line-height: 1.7; color: var(--color-gray-600); }
.faq-item.is-open .faq-item__a { display: block; }

/* ---- CTA 배너 (섹션 하단 공통) ---- */
.cta-banner {
  position: relative; overflow: hidden;
  border-radius: var(--radius-xl);
  padding: var(--sp-20) var(--sp-6);
  background: var(--gradient-cta);
  text-align: center;
  color: var(--color-white);
}
.cta-banner::before, .cta-banner::after {
  content: ""; position: absolute; width: 288px; height: 288px; border-radius: 50%;
  filter: blur(48px); pointer-events: none;
}
.cta-banner::before { top: -96px; right: -64px; background: rgba(255, 255, 255, 0.12); }
.cta-banner::after { bottom: -96px; left: -64px; background: rgba(28, 244, 231, 0.12); }
.cta-banner__sub { position: relative; font-size: var(--fs-body); color: rgba(255, 255, 255, 0.8); margin-bottom: var(--sp-4); }
.cta-banner__title { position: relative; font-size: var(--fs-h2-cta-m); font-weight: 700; line-height: 1.25; letter-spacing: -0.02em; white-space: pre-line; }
.cta-banner__actions { position: relative; display: flex; flex-direction: column; align-items: center; gap: var(--sp-3); margin-top: var(--sp-8); }
@media (min-width: 640px) {
  .cta-banner { padding: var(--sp-28) var(--sp-6); }
  .cta-banner__title { font-size: var(--fs-h2-cta); }
  .cta-banner__sub { font-size: var(--fs-lead); }
  .cta-banner__actions { flex-direction: row; justify-content: center; }
}

/* ---- 스텝 카드 (How It Works) ---- */
.steps { display: grid; grid-template-columns: 1fr; gap: var(--sp-6); }
.step-card {
  position: relative;
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-lg);
  padding: var(--sp-12) var(--sp-8);
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: var(--sp-4);
}
.step-card__num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--color-white); border: 1px solid var(--color-gray-200);
  font-size: var(--fs-h3); font-weight: 700; color: var(--color-primary-500);
  box-shadow: var(--shadow-card);
}
.step-card__title { font-size: var(--fs-h4); font-weight: 700; color: var(--color-ink); }
.step-card__desc { font-size: var(--fs-body-sm); line-height: 1.65; color: var(--color-gray-600); }
@media (min-width: 768px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
  .step-card:not(:last-child)::after {
    content: ""; position: absolute; top: var(--sp-10); right: -18px; z-index: 1;
    width: 30px; height: 2px;
    background-image: linear-gradient(to right, var(--color-gray-200) 55%, transparent 45%);
    background-size: 8px 2px;
  }
}

/* ---- 리뷰 카드 ---- */
.review-card { padding: var(--sp-8); display: flex; flex-direction: column; gap: var(--sp-5); }
.review-card__stars { display: flex; gap: 3px; color: var(--color-primary-500); }
.review-card__quote { font-size: var(--fs-body); font-weight: 600; line-height: 1.6; color: var(--color-ink); white-space: pre-line; }
.review-card__who { display: flex; align-items: center; gap: var(--sp-3); margin-top: auto; padding-top: var(--sp-5); border-top: 1px solid var(--color-gray-100); }
.review-card__who-logo {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--color-primary-25); border: 1px solid var(--color-primary-100);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 800; color: var(--color-primary-600);
}
.review-card__who-name { font-size: var(--fs-small); color: var(--color-gray-600); }

/* ---- 비교표 (Pricing) ---- */
.compare { background: var(--color-white); border: 1px solid var(--color-gray-100); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); overflow: hidden; }
.compare__row { display: grid; grid-template-columns: 1fr 88px 88px; align-items: center; }
.compare__row > * { padding: var(--sp-5) var(--sp-5); }
.compare__row--head { border-bottom: 1px solid var(--color-gray-100); }
.compare__row--head .compare__cell { text-align: center; font-weight: 700; }
.compare__row--cat { background: var(--color-primary-25); }
.compare__row--cat .compare__cell { color: var(--color-primary-600); font-size: var(--fs-small); font-weight: 700; padding-top: var(--sp-3); padding-bottom: var(--sp-3); }
.compare__row--item { border-top: 1px solid var(--color-gray-100); }
.compare__name { font-weight: 600; font-size: var(--fs-body-sm); color: var(--color-ink); }
.compare__name small { display: block; font-weight: 400; font-size: var(--fs-small); color: var(--color-gray-500); margin-top: 2px; }
.compare__cell { text-align: center; font-size: var(--fs-body-sm); color: var(--color-ink); }
.compare__cell .check { color: var(--color-primary-500); font-weight: 700; }
.compare__cell .none { color: var(--color-gray-400); }
@media (min-width: 768px) {
  .compare__row { grid-template-columns: 1fr 180px 180px; }
  .compare__row > * { padding: var(--sp-5) var(--sp-6); }
}

/* ---- 플랜 카드 (Pricing) ---- */
.plan-card { border-radius: var(--radius-lg); border: 1px solid var(--color-gray-100); padding: var(--sp-8); display: flex; flex-direction: column; gap: var(--sp-5); box-shadow: var(--shadow-card); }
.plan-card--pro { background: var(--color-surface); border-color: var(--color-primary-100); }
.plan-card--ent { background: var(--color-white); }
.plan-card__head { display: flex; align-items: center; gap: var(--sp-3); }
.plan-card__name { font-size: 24px; font-weight: 700; color: var(--color-ink); }
.plan-card__desc { font-size: var(--fs-body-sm); color: var(--color-gray-600); }
.plan-card__price { font-size: 40px; font-weight: 800; letter-spacing: -0.02em; color: var(--color-ink); }
.plan-card__price small { font-size: var(--fs-meta); font-weight: 400; color: var(--color-gray-500); letter-spacing: 0; }
.plan-card__note { font-size: var(--fs-small); color: var(--color-gray-500); margin-top: calc(var(--sp-2) * -1); }

/* ---- 로고 마퀴 ---- */
.marquee { overflow: hidden; display: flex; flex-direction: column; gap: var(--sp-4); -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent); }
.marquee__track { display: flex; gap: var(--sp-4); width: max-content; animation: marquee-left 40s linear infinite; }
.marquee__track--reverse { animation-direction: reverse; }
.marquee__logo {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 160px; padding: var(--sp-5) var(--sp-8);
  background: var(--color-white); border: 1px solid var(--color-gray-100); border-radius: var(--radius-md);
  font-size: 17px; font-weight: 800; color: var(--color-gray-400); letter-spacing: 0.02em;
}
@keyframes marquee-left { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee__track { animation: none; } }

/* ---- Roles 밴드 ---- */
.roles-band { position: relative; overflow: hidden; background: var(--color-primary-500); color: var(--color-white); padding: var(--sp-24) 0 0; text-align: center; }
.roles-band::after { content: ""; position: absolute; inset: auto 0 0 0; height: 160px; background: linear-gradient(to bottom, transparent, var(--color-white)); pointer-events: none; }
.roles-band__title { font-size: var(--fs-h2-m); font-weight: 700; line-height: 1.35; letter-spacing: -0.02em; white-space: pre-line; }
.roles-orbit { position: relative; max-width: 720px; margin: var(--sp-16) auto 0; height: 420px; }
.roles-orbit__ring { position: absolute; border: 1px solid rgba(255, 255, 255, 0.25); border-radius: 50%; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.roles-orbit__core {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 96px; height: 96px; border-radius: 50%;
  background: var(--color-ink); color: var(--color-white);
  display: inline-flex; align-items: center; justify-content: center; font-weight: 800;
}
.roles-chip {
  position: absolute;
  padding: var(--sp-3) var(--sp-6); border-radius: var(--radius-full);
  background: var(--color-white); color: var(--color-ink);
  font-size: var(--fs-body-sm); font-weight: 700;
  box-shadow: var(--shadow-card);
  animation: chip-float 5s ease-in-out infinite;
}
@keyframes chip-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@media (prefers-reduced-motion: reduce) { .roles-chip { animation: none; } }

/* ---- 히어로 ---- */
.hero {
  background: var(--gradient-hero);
  text-align: center;
  padding: var(--sp-20) 0 0;
  position: relative;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(12, 19, 48, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(to bottom, #000 40%, transparent);
  pointer-events: none;
}
.hero__inner { position: relative; display: flex; flex-direction: column; align-items: center; gap: var(--sp-6); }
.hero__title { font-size: var(--fs-h1-m); font-weight: 700; line-height: 1.18; letter-spacing: -0.02em; color: var(--color-ink); white-space: pre-line; }
.hero__sub { font-size: var(--fs-lead-m); line-height: 1.6; color: var(--color-gray-500); white-space: pre-line; }
.hero__actions { display: flex; flex-direction: column; gap: var(--sp-3); margin-top: var(--sp-2); }
.hero__visual { position: relative; margin: var(--sp-12) auto 0; max-width: 920px; padding-bottom: var(--sp-16); }
.hero__visual img { width: 100%; }
@media (min-width: 768px) {
  .hero { padding-top: var(--sp-28); }
  .hero__title { font-size: var(--fs-h1); }
  .hero__sub { font-size: var(--fs-lead); }
  .hero__actions { flex-direction: row; justify-content: center; }
}

/* ---- 그리드 유틸 ---- */
.grid-cards { display: grid; grid-template-columns: 1fr; gap: var(--sp-6); }
.grid-cards--2 { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-cards--2 { grid-template-columns: repeat(2, 1fr); } }
.grid-cards--3 { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-cards--3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-cards--3 { grid-template-columns: repeat(3, 1fr); } }
.grid-cards--4 { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-cards--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-cards--4 { grid-template-columns: repeat(4, 1fr); } }

/* ---- 보안 체크리스트 ---- */
.security-card { padding: var(--sp-8); display: flex; flex-direction: column; gap: var(--sp-5); }
.security-card__title { font-size: var(--fs-h4); font-weight: 700; color: var(--color-ink); }
.security-card__list { display: flex; flex-direction: column; gap: var(--sp-3); }
.security-card__item { display: flex; gap: var(--sp-3); align-items: flex-start; font-size: var(--fs-body-sm); line-height: 1.55; color: var(--color-gray-600); }
.security-card__item .check { color: var(--color-primary-500); font-weight: 700; flex: 0 0 auto; }

/* ---- 인용 카드 (testimonial) ---- */
.quote-card { max-width: 720px; margin: 0 auto; padding: var(--sp-16) var(--sp-8); text-align: center; position: relative; }
.quote-card__mark { font-size: 56px; line-height: 1; color: var(--color-primary-300); font-weight: 800; position: absolute; top: var(--sp-8); left: var(--sp-8); }
.quote-card__text { font-size: var(--fs-h4-m); font-weight: 700; line-height: 1.6; color: var(--color-ink); white-space: pre-line; }
.quote-card__who { margin-top: var(--sp-6); display: flex; flex-direction: column; align-items: center; gap: var(--sp-2); }
.quote-card__org { font-size: var(--fs-small); font-weight: 700; color: var(--color-gray-500); letter-spacing: 0.06em; }
.quote-card__name { font-size: var(--fs-small); color: var(--color-gray-400); }
@media (min-width: 768px) { .quote-card__text { font-size: var(--fs-h3-m); } }