/* ============================================
   햇살페이 — Components v2.0
   Buttons, Cards, Badges, FAQ, Floating Bar,
   Nav Menu, Section Badges
   ============================================ */

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-md);
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
  white-space: nowrap;
  text-align: center;
}

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

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn--kakao {
  background-color: var(--color-kakao);
  color: var(--color-kakao-text);
  font-weight: var(--fw-bold);
}

.btn--kakao:hover {
  background-color: #F5DA00;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(254, 229, 0, 0.4);
}

.btn--outline {
  background-color: var(--color-white);
  color: var(--color-secondary);
  border: 1.5px solid var(--color-gray-200);
}

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.btn--gold {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-gold);
}

.btn--gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(var(--color-accent-rgb), 0.35);
}

.btn--lg {
  padding: 16px 36px;
  font-size: var(--fs-lg);
  border-radius: var(--radius-lg);
}

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

.btn--icon {
  font-size: 1.2em;
  flex-shrink: 0;
}

/* Button sub-label (phone number, kakao ID) */
.btn__sub {
  display: block;
  width: 100%;
  font-size: var(--fs-xs);
  font-weight: var(--fw-regular);
  opacity: 0.7;
  margin-top: 2px;
  letter-spacing: 0.02em;
}

.btn__sub--inline {
  font-size: 0.8em;
  font-weight: var(--fw-regular);
  opacity: 0.65;
  margin-left: 4px;
}

/* Buttons with sub-labels need flex-wrap */
.btn:has(.btn__sub) {
  flex-wrap: wrap;
  justify-content: center;
  line-height: 1.3;
}

/* CTA Pulse Animation */
.btn--pulse {
  position: relative;
  overflow: visible;
}

.btn--pulse::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  background: inherit;
  opacity: 0;
  z-index: -1;
  animation: pulse-ring 2s var(--ease-out) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.4; }
  100% { transform: scale(1.15); opacity: 0; }
}


/* ── Section Badge ── */
.section__badge {
  display: inline-block;
  padding: 6px 16px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-pill);
  background: rgba(var(--color-primary-rgb), 0.08);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  letter-spacing: 0.01em;
}


/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-pill);
}

.badge--primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.badge--success {
  background-color: rgba(52, 199, 89, 0.1);
  color: var(--color-success);
}

.badge--gold {
  background: rgba(var(--color-accent-rgb), 0.12);
  color: var(--color-accent);
}

.badge--danger {
  background-color: rgba(255, 107, 138, 0.1);
  color: var(--color-danger);
}

.badge--muted {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--color-gray-500);
}

.badge--info {
  background-color: rgba(27, 94, 158, 0.1);
  color: var(--color-primary);
}


/* ── FAQ Accordion ── */
.faq-item {
  border-bottom: 1px solid var(--color-gray-200);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-lg) 0;
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  color: var(--color-secondary);
  text-align: left;
  cursor: pointer;
  transition: color var(--duration-fast);
}

.faq-item__question:hover {
  color: var(--color-primary);
}

.faq-item__icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: var(--fs-lg);
  color: var(--color-gray-500);
  transition: transform var(--duration-normal) var(--ease-out);
}

.faq-item.is-open .faq-item__icon {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-normal) var(--ease-out),
              padding var(--duration-normal) var(--ease-out);
}

.faq-item.is-open .faq-item__answer {
  max-height: 300px;
  padding-bottom: var(--space-lg);
}

.faq-item__answer p {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  line-height: var(--lh-relaxed);
}


/* ── Live Feed Item ── */
.feed-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
  font-size: var(--fs-sm);
  animation: feed-slide-in 0.5s var(--ease-out);
}

.feed-item__avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-circle);
  background: linear-gradient(135deg, var(--color-primary-light) 0%, rgba(var(--color-accent-rgb), 0.15) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  flex-shrink: 0;
}

.feed-item__info {
  flex: 1;
  min-width: 0;
}

.feed-item__name {
  font-weight: var(--fw-semibold);
  color: var(--color-secondary);
}

.feed-item__amount {
  font-family: var(--font-secondary);
  font-weight: var(--fw-bold);
  color: var(--color-primary);
}

.feed-item__meta {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

@keyframes feed-slide-in {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}


/* ── Floating CTA Bar ── */
.floating-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-top: 1px solid rgba(var(--color-primary-rgb), 0.08);
  padding: var(--space-md) var(--container-padding);
  transform: translateY(100%);
  transition: transform var(--duration-normal) var(--ease-out);
}

.floating-bar.is-visible {
  transform: translateY(0);
}

.floating-bar__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  gap: var(--space-sm);
}

.floating-bar .btn {
  flex: 1;
  padding: 12px 16px;
  font-size: var(--fs-sm);
}


/* ── Nav ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--nav-height);
  background: rgba(248, 245, 239, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(var(--color-primary-rgb), 0.06);
  transition: box-shadow var(--duration-normal);
}

.nav.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--container-padding);
  gap: var(--space-md);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  flex-shrink: 0;
}

.nav__logo-icon {
  font-size: 1.5rem;
}

.nav__logo-accent {
  color: var(--color-accent);
}

/* Desktop Menu */
.nav__menu {
  display: none;
  list-style: none;
  gap: var(--space-xs);
  margin: 0;
  padding: 0;
}

.nav__menu-link {
  display: block;
  padding: 8px 14px;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-gray-500);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast);
  white-space: nowrap;
}

.nav__menu-link:hover,
.nav__menu-link.is-active {
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.06);
}

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  background: none;
  border: none;
}

.nav__hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-secondary);
  border-radius: 2px;
  transition: all var(--duration-normal) var(--ease-out);
}

.nav__hamburger.is-open span:nth-child(1) {
  transform: rotate(45deg) translateY(7px);
}

.nav__hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.is-open span:nth-child(3) {
  transform: rotate(-45deg) translateY(-7px);
}

/* Mobile dropdown */
.nav__mobile-menu {
  position: absolute;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(248, 245, 239, 0.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-gray-200);
  padding: var(--space-sm) var(--container-padding) var(--space-md);
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition: all var(--duration-normal) var(--ease-out);
}

.nav__mobile-menu.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.nav__mobile-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__mobile-list li {
  border-bottom: 1px solid var(--color-gray-200);
}

.nav__mobile-list li:last-child {
  border-bottom: none;
}

.nav__mobile-link {
  display: block;
  padding: 14px 0;
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  color: var(--color-secondary);
  transition: color var(--duration-fast);
}

.nav__mobile-link:hover {
  color: var(--color-primary);
}

.nav__cta {
  padding: 10px 20px;
  font-size: var(--fs-sm);
  flex-shrink: 0;
}


/* ── Stat Card (legacy support) ── */
.stat-card {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
}

.stat-card__number {
  font-family: var(--font-secondary);
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
  letter-spacing: -0.02em;
}

.stat-card__label {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
}


/* ── Scroll Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}


/* ─────────────────────────────────────
   Responsive — Nav Desktop Menu
   ───────────────────────────────────── */
@media (min-width: 768px) {
  .nav__menu {
    display: flex;
  }

  .nav__hamburger {
    display: none;
  }

  .nav__mobile-menu {
    display: none;
  }
}