/* ============================================================
   ACTIVA 90 — Landing Page Styles
   ============================================================ */

/* ── Landing Header ─────────────────────────────────────────── */
.landing-header {
  position:         fixed;
  top:              0;
  left:             0;
  right:            0;
  z-index:          var(--z-overlay);
  display:          flex;
  align-items:      center;
  justify-content:  space-between;
  height:           var(--header-height);
  padding:          0 var(--content-padding);
  background-color: rgba(245, 240, 235, 0.92);
  backdrop-filter:  blur(12px);
  border-bottom:    1px solid var(--color-border);
  transition:       background-color var(--transition-normal);
}

.landing-header.scrolled {
  background-color: var(--color-surface);
  box-shadow:       var(--shadow-sm);
}

.landing-header__actions {
  display:     flex;
  align-items: center;
  gap:         var(--space-3);
}

/* ── Hero Section ───────────────────────────────────────────── */
.hero {
  min-height:       100vh;
  display:          flex;
  align-items:      center;
  background:       linear-gradient(
    135deg,
    var(--color-primary-dark) 0%,
    var(--color-primary)      50%,
    #c50020                   100%
  );
  position:         relative;
  overflow:         hidden;
  padding:          var(--space-24) var(--content-padding) var(--space-16);
  padding-top:      calc(var(--header-height) + var(--space-16));
}

/* Geometric decorative elements */
.hero::before {
  content:       '';
  position:      absolute;
  top:           -120px;
  right:         -120px;
  width:         600px;
  height:        600px;
  border:        80px solid rgba(255,255,255,0.04);
  border-radius: var(--radius-full);
  pointer-events: none;
}

.hero::after {
  content:       '';
  position:      absolute;
  bottom:        -80px;
  left:          -80px;
  width:         400px;
  height:        400px;
  border:        60px solid rgba(255,255,255,0.04);
  border-radius: var(--radius-full);
  pointer-events: none;
}

.hero__inner {
  max-width:    var(--max-width);
  margin:       0 auto;
  width:        100%;
  display:      grid;
  grid-template-columns: 1fr 1fr;
  gap:          var(--space-16);
  align-items:  center;
  position:     relative;
  z-index:      1;
}

.hero__content {
  display:        flex;
  flex-direction: column;
  gap:            var(--space-6);
}

.hero__badge {
  display:          inline-flex;
  align-items:      center;
  gap:              var(--space-2);
  padding:          var(--space-2) var(--space-4);
  background-color: rgba(255,255,255,0.15);
  border:           1px solid rgba(255,255,255,0.25);
  border-radius:    var(--radius-full);
  font-size:        var(--font-size-xs);
  font-weight:      var(--font-weight-bold);
  color:            var(--color-white);
  letter-spacing:   0.1em;
  text-transform:   uppercase;
  width:            fit-content;
}

.hero__title {
  font-size:      clamp(2rem, 4vw, 3.25rem);
  font-weight:    var(--font-weight-medium);
  color:          var(--color-white);
  line-height:    var(--line-height-tight);
  letter-spacing: -0.02em;
}

.hero__title span {
  display:          inline;
  background:       linear-gradient(90deg, #FFD4DC, #FFAABB);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip:  text;
}

.hero__subtitle {
  font-size:    var(--font-size-md);
  color:        rgba(255,255,255,0.82);
  line-height:  var(--line-height-relaxed);
  max-width:    500px;
  margin:       0;
}

.hero__actions {
  display:    flex;
  gap:        var(--space-4);
  flex-wrap:  wrap;
  margin-top: var(--space-2);
}

.hero__btn-secondary {
  background-color: rgba(255,255,255,0.12);
  color:            var(--color-white);
  border-color:     rgba(255,255,255,0.3);
}
.hero__btn-secondary:hover {
  background-color: rgba(255,255,255,0.2);
  border-color:     rgba(255,255,255,0.5);
  color:            var(--color-white);
  box-shadow:       none;
}

/* Hero stats */
.hero__stats {
  display:    flex;
  gap:        var(--space-8);
  margin-top: var(--space-4);
}

.hero__stat {
  display:        flex;
  flex-direction: column;
  gap:            var(--space-1);
}

.hero__stat-value {
  font-size:    var(--font-size-2xl);
  font-weight:  var(--font-weight-black);
  color:        var(--color-white);
  line-height:  1;
}

.hero__stat-label {
  font-size:    var(--font-size-xs);
  color:        rgba(255,255,255,0.65);
  font-weight:  var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Hero visual panel */
.hero__visual {
  display:          flex;
  align-items:      center;
  justify-content:  center;
}

.hero__modules-preview {
  display:        flex;
  flex-direction: column;
  gap:            var(--space-3);
  width:          100%;
  max-width:      380px;
}

.hero__module-card {
  display:          flex;
  align-items:      center;
  gap:              var(--space-4);
  padding:          var(--space-4) var(--space-5);
  background-color: rgba(255,255,255,0.1);
  border:           1px solid rgba(255,255,255,0.15);
  border-radius:    var(--radius-lg);
  backdrop-filter:  blur(8px);
  transition:       background-color var(--transition-fast);
}

.hero__module-card:hover {
  background-color: rgba(255,255,255,0.15);
}

.hero__module-card-icon {
  font-size:   1.5rem;
  flex-shrink: 0;
}

.hero__module-card-title {
  font-size:   var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color:       var(--color-white);
}

.hero__module-card-num {
  font-size:     var(--font-size-xs);
  color:         rgba(255,255,255,0.6);
  margin-bottom: var(--space-1);
  font-weight:   var(--font-weight-medium);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ── Features Strip ─────────────────────────────────────────── */
.features {
  background-color: var(--color-surface);
  padding:          var(--space-20) var(--content-padding);
}

.features__inner {
  max-width: var(--max-width);
  margin:    0 auto;
}

.features__grid {
  display:               grid;
  grid-template-columns: repeat(3, 1fr);
  gap:                   var(--space-8);
  margin-top:            var(--space-12);
}

.feature-item {
  display:        flex;
  flex-direction: column;
  gap:            var(--space-4);
}

.feature-item__icon {
  width:            56px;
  height:           56px;
  border-radius:    var(--radius-lg);
  background-color: var(--color-primary-light);
  display:          flex;
  align-items:      center;
  justify-content:  center;
  font-size:        1.75rem;
}

.feature-item__title {
  font-size:   var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color:       var(--color-text);
}

.feature-item__desc {
  font-size:   var(--font-size-sm);
  color:       var(--color-text-muted);
  line-height: var(--line-height-relaxed);
  margin:      0;
}

/* ── Modules Overview ───────────────────────────────────────── */
.modules-overview {
  padding:          var(--space-20) var(--content-padding);
  background-color: var(--color-bg);
}

.modules-overview__inner {
  max-width: var(--max-width);
  margin:    0 auto;
}

.modules-overview__header {
  text-align:    center;
  margin-bottom: var(--space-12);
}

.modules-overview__header h2 {
  font-size:    var(--font-size-3xl);
  font-weight:  var(--font-weight-black);
  color:        var(--color-text);
  margin-bottom: var(--space-4);
}

.modules-overview__header p {
  font-size:  var(--font-size-md);
  color:      var(--color-text-muted);
  max-width:  560px;
  margin:     0 auto;
}

/* ── CTA Section ─────────────────────────────────────────────── */
.cta-section {
  background:   linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  padding:      var(--space-20) var(--content-padding);
  text-align:   center;
}

.cta-section__inner {
  max-width: 640px;
  margin:    0 auto;
  display:   flex;
  flex-direction: column;
  gap:       var(--space-6);
  align-items: center;
}

.cta-section h2 {
  font-size:   var(--font-size-3xl);
  font-weight: var(--font-weight-black);
  color:       var(--color-white);
  line-height: var(--line-height-tight);
}

.cta-section p {
  font-size: var(--font-size-md);
  color:     rgba(255,255,255,0.8);
  margin:    0;
}

/* ── Auth Modal Specifics ───────────────────────────────────── */
.auth-tabs {
  display:       flex;
  border-bottom: 1px solid var(--color-border);
  padding:       var(--space-5) var(--space-6) 0;
  gap:           0;
}

.auth-tab {
  flex:            1;
  padding:         var(--space-3) var(--space-4);
  background:      transparent;
  border:          none;
  border-bottom:   3px solid transparent;
  font-family:     var(--font-family);
  font-size:       var(--font-size-sm);
  font-weight:     var(--font-weight-semibold);
  color:           var(--color-text-muted);
  cursor:          pointer;
  transition:      color var(--transition-fast), border-color var(--transition-fast);
  margin-bottom:   -1px;
  text-align:      center;
  letter-spacing:  0.03em;
}
.auth-tab.active {
  color:             var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.auth-form {
  display:        flex;
  flex-direction: column;
  gap:            var(--space-4);
  padding:        var(--space-6);
}

.auth-form[hidden] { display: none; }

.auth-divider {
  display:     flex;
  align-items: center;
  gap:         var(--space-3);
  margin:      var(--space-2) 0;
}

.auth-divider::before,
.auth-divider::after {
  content:    '';
  flex:       1;
  height:     1px;
  background: var(--color-border);
}

.auth-divider span {
  font-size:  var(--font-size-xs);
  color:      var(--color-text-subtle);
  font-weight: var(--font-weight-medium);
}

.auth-error {
  background-color: var(--color-error-bg);
  border:           1px solid var(--color-error);
  border-radius:    var(--radius-md);
  padding:          var(--space-3) var(--space-4);
  font-size:        var(--font-size-sm);
  color:            var(--color-error);
  font-weight:      var(--font-weight-medium);
}
.auth-error[hidden] { display: none; }

.auth-success {
  background-color: var(--color-success-bg);
  border:           1px solid var(--color-success-border);
  border-radius:    var(--radius-md);
  padding:          var(--space-3) var(--space-4);
  font-size:        var(--font-size-sm);
  color:            var(--color-success);
  font-weight:      var(--font-weight-medium);
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { display: none; }
  .features__grid { grid-template-columns: 1fr; }
}