/* ==========================================================================
   Components — buttons, navbar, cards, badges
   ========================================================================== */

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1rem 2.2rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: var(--fs-body);
  white-space: nowrap;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast), color var(--t-fast);
  overflow: hidden;
  isolation: isolate;
}

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

.btn--primary {
  background: var(--gradient-secondary);
  color: var(--color-primary-darker);
  box-shadow: var(--shadow-gold);
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(206, 159, 105, 0.35);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
}

.btn--outline:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  transform: translateY(-3px);
}

.btn--sm {
  padding: 0.7rem 1.5rem;
  font-size: var(--fs-small);
}

.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: scale(0);
  animation: ripple 0.6s linear;
  pointer-events: none;
  z-index: -1;
}

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 1060;
  padding-block: 1.4rem;
  transition: padding var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
}

.navbar.is-scrolled {
  padding-block: 0.8rem;
  background: rgba(14, 25, 32, 0.82);
  backdrop-filter: blur(16px) saturate(140%);
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid var(--glass-border);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: 0.5px;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
}

.nav-links a {
  position: relative;
  font-size: var(--fs-small);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.82);
  padding-block: 0.4rem;
  transition: color var(--t-fast);
}

.nav-links a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--color-secondary);
  transition: width var(--t-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-secondary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  z-index: 1100;
}

.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--t-fast), opacity var(--t-fast);
}

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

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

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

/* ---------- Cards ---------- */
.card {
  position: relative;
  background: var(--gradient-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-med);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(206, 159, 105, 0.4);
}

.card__icon {
  width: 62px;
  height: 62px;
  border-radius: var(--radius-md);
  background: var(--gradient-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.6rem;
  color: var(--color-primary-darker);
  box-shadow: var(--shadow-gold);
  transition: transform var(--t-med);
}

.card:hover .card__icon {
  transform: rotate(-8deg) scale(1.08);
}

.card__title {
  font-size: var(--fs-h3);
  margin-bottom: 0.6rem;
}

.card__desc {
  color: rgba(255, 255, 255, 0.68);
  font-size: var(--fs-small);
}

/* ---------- Badge ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  background: rgba(206, 159, 105, 0.12);
  color: var(--color-secondary);
  font-size: var(--fs-small);
  font-weight: 700;
  border: 1px solid rgba(206, 159, 105, 0.3);
}

/* ---------- Stat / feature bullet ---------- */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--fs-body);
}

.feature-list li i {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(206, 159, 105, 0.15);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  margin-top: 0.15rem;
}

/* ---------- Decorative shapes ---------- */
.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.shape--ring {
  border: 1.5px solid rgba(206, 159, 105, 0.35);
  background: none;
  filter: none;
}

.shape--gold {
  background: radial-gradient(circle, var(--color-secondary) 0%, transparent 70%);
}

.shape--blur {
  filter: blur(40px);
}

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-secondary);
  color: var(--color-primary-darker);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-gold);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity var(--t-fast), transform var(--t-fast), visibility var(--t-fast);
}

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