/* ============================================================
   COMPONENTS v2 — Premium UI Components
   Dr. Elci Júnior Landing Page
   ============================================================ */

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  transition: background var(--dur-base) var(--ease-in-out),
              border-color var(--dur-base) var(--ease-in-out),
              box-shadow var(--dur-base) var(--ease-in-out);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin-inline: auto;
  padding: 20px var(--pad-x);
  gap: var(--sp-4);
}

.navbar.is-scrolled {
  background: rgba(245,244,240,0.88);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  box-shadow: 0 1px 0 var(--color-border);
}

/* Logo */
.navbar-logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
}

.navbar-logo-name {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  letter-spacing: -0.01em;
  line-height: 1;
}

.navbar-logo-tag {
  font-size: 9px;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-gold);
  line-height: 1;
}

/* Nav links */
.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}

.navbar-link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
  transition: color var(--dur-fast) var(--ease-in-out);
}

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0; right: 0;
  height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}

.navbar-link:hover { color: var(--color-text); }
.navbar-link:hover::after { transform: scaleX(1); }

/* Nav CTA */
.navbar-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-bg-white);
  background: var(--color-blue);
  padding: 10px 22px;
  border-radius: var(--r-full);
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease-in-out),
              transform var(--dur-fast) var(--ease-in-out);
}

.navbar-cta:hover {
  background: var(--color-blue-mid);
  transform: translateY(-1px);
}

.navbar-cta svg {
  width: 14px; height: 14px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  transition: transform var(--dur-base) var(--ease-out);
}

.navbar-cta:hover svg {
  transform: translateX(3px);
}

/* Mobile toggle */
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.navbar-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text);
  transition: all var(--dur-base) var(--ease-out);
  transform-origin: center;
}
.navbar-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.navbar-toggle.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.navbar-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-weight: var(--weight-medium);
  border-radius: var(--r-full);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  border: none;
  position: relative;
  overflow: hidden;
}

/* Primary — Blue */
.btn-primary {
  font-size: var(--text-base);
  padding: 15px 34px;
  background: var(--color-blue);
  color: var(--color-bg-white);
  transition: background var(--dur-fast) var(--ease-in-out),
              transform var(--dur-fast) var(--ease-in-out),
              box-shadow var(--dur-fast) var(--ease-in-out);
}
.btn-primary:hover {
  background: var(--color-blue-mid);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(22,56,76,0.22);
}
.btn-primary:active { transform: translateY(0); }

/* Primary — Gold */
.btn-gold {
  font-size: var(--text-base);
  padding: 15px 34px;
  background: var(--color-gold);
  color: #fff;
  transition: background var(--dur-fast) var(--ease-in-out),
              transform var(--dur-fast) var(--ease-in-out),
              box-shadow var(--dur-fast) var(--ease-in-out);
}
.btn-gold:hover {
  background: var(--color-gold-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(178,139,82,0.28);
}

/* Ghost */
.btn-ghost {
  font-size: var(--text-base);
  padding: 14px 32px;
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-mid);
  transition: border-color var(--dur-fast) var(--ease-in-out),
              background var(--dur-fast) var(--ease-in-out),
              color var(--dur-fast) var(--ease-in-out),
              transform var(--dur-fast) var(--ease-in-out);
}
.btn-ghost:hover {
  border-color: var(--color-text);
  background: var(--color-text);
  color: var(--color-bg-white);
  transform: translateY(-1px);
}

/* Sizes */
.btn-lg { font-size: var(--text-md); padding: 18px 44px; }
.btn-sm { font-size: var(--text-sm); padding: 10px 22px; }

/* Arrow icon in button */
.btn-arrow {
  width: 18px; height: 18px;
  stroke: currentColor;
  stroke-width: 1.75;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
  transition: transform var(--dur-base) var(--ease-out);
}
.btn-primary:hover .btn-arrow,
.btn-gold:hover .btn-arrow,
.btn-ghost:hover .btn-arrow {
  transform: translateX(4px);
}

/* ============================================================
   SECTION LAYOUT HELPERS
   ============================================================ */
.section {
  position: relative;
  overflow: hidden;
}

.section-pad   { padding-block: var(--sp-16); }
.section-pad-sm{ padding-block: var(--sp-10); }
.section-pad-lg{ padding-block: var(--sp-20); }
.section-pad-xl{ padding-block: clamp(var(--sp-16), 10vw, 120px); }

/* Backgrounds */
.bg-cream  { background: var(--color-bg); }
.bg-warm   { background: var(--color-bg-warm); }
.bg-white  { background: var(--color-bg-white); }
.bg-blue   { background: var(--color-blue); }
.bg-blue-deep { background: var(--color-blue-deep); }

/* ============================================================
   SECTION HEADER
   ============================================================ */
.sec-header {
  margin-bottom: var(--sp-8);
}
.sec-header--center {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: var(--sp-8);
}
.sec-header .label { margin-bottom: var(--sp-2); display: block; }
.sec-header .h2    { margin-bottom: var(--sp-3); }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--r-xl);
  transition: border-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
}
.card:hover {
  border-color: var(--color-border-mid);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-body { padding: var(--sp-5); }
.card-body-lg { padding: var(--sp-6); }

/* Icon cell */
.card-icon {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-md);
  background: var(--color-blue-muted);
  margin-bottom: var(--sp-3);
  flex-shrink: 0;
}
.card-icon svg {
  width: 22px; height: 22px;
  stroke: var(--color-blue);
  stroke-width: 1.5;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card-title {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.card-text { font-size: var(--text-sm); color: var(--color-text-secondary); line-height: var(--leading-normal); }

/* Horizontal card layout */
.card-h {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
}
.card-h .card-icon { flex-shrink: 0; }

/* ============================================================
   ACCORDION
   ============================================================ */
.accordion-item {
  border-bottom: 1px solid var(--color-border);
}
.accordion-item:first-child { border-top: 1px solid var(--color-border); }

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-4) 0;
  text-align: left;
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-in-out);
}
.accordion-trigger:hover { color: var(--color-blue); }

.acc-icon {
  width: 20px; height: 20px;
  flex-shrink: 0;
  position: relative;
  color: var(--color-text-tertiary);
}
.acc-icon::before,
.acc-icon::after {
  content: '';
  position: absolute;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--dur-base) var(--ease-out),
              opacity var(--dur-base) var(--ease-out);
}
.acc-icon::before { width: 12px; height: 1.5px; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.acc-icon::after  { width: 1.5px; height: 12px; top: 50%; left: 50%; transform: translate(-50%, -50%); }

.accordion-item.is-open .acc-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.accordion-item.is-open .accordion-trigger { color: var(--color-blue); }

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-slow) var(--ease-out);
}
.accordion-body {
  padding-bottom: var(--sp-4);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 88%;
}

/* ============================================================
   TAG / BADGE
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 16px;
  border-radius: var(--r-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  background: rgba(255,255,255,0.6);
}
.badge-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--color-gold);
}

/* ============================================================
   STAT DISPLAY
   ============================================================ */
.stat-number {
  font-family: var(--font-display);
  font-weight: var(--weight-regular);
  color: var(--color-blue);
  line-height: 1;
  letter-spacing: var(--tracking-tighter);
}

.stat-source {
  font-size: 10px;
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-top: var(--sp-3);
  padding-top: var(--sp-2);
  border-top: 1px solid var(--color-border);
}