/* Custom CSS Variables - Healthy Arterial Theme */
:root {
  --arterial-dark-abyss: #080c11;
  --arterial-slate-surface: #121822;
  --arterial-surface-glass: rgba(18, 24, 34, 0.78);
  --arterial-glass-border: rgba(255, 255, 255, 0.12);
  --arterial-accent-crimson: #ff3c5f;
  --arterial-accent-glow: rgba(255, 60, 95, 0.4);
  --arterial-accent-soft: #ff8093;
  --arterial-ink-pure: #ffffff;
  --arterial-ink-dimmed: #9bb2c9;
  --arterial-ink-muted: #62778c;
  --arterial-vessel-gradient: linear-gradient(135deg, #182232 0%, #080c11 100%);
  --arterial-accent-gradient: linear-gradient(90deg, #ff3c5f 0%, #ff7350 100%);
  
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Roboto', sans-serif;
  
  --arterial-radius-soft: 16px;
  --arterial-spacing-normal: 10dvh;
}

/* Base Reset & Typography */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  background-color: var(--arterial-dark-abyss);
  color: var(--arterial-ink-pure);
}

body {
  overflow-x: hidden;
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 1px;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Scroll Progress Bar */
.scroll-progress-line {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: var(--arterial-accent-gradient);
  z-index: 10000;
  width: 0;
  animation: grow-progress linear;
  animation-timeline: scroll();
}

@keyframes grow-progress {
  to { width: 100%; }
}

/* Header & Hamburger Menu */
.hemo-navigation-bar {
  position: sticky;
  top: 0;
  background-color: rgba(8, 12, 17, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--arterial-glass-border);
  z-index: 999;
  transition: all 0.3s ease;
}

.hemo-navigation-bar:focus-within {
  border-bottom-color: var(--arterial-accent-crimson);
}

.vessel-viewport-box {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.systolic-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo-concept-link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--arterial-ink-pure);
  text-transform: uppercase;
  text-shadow: 0 0 10px var(--arterial-accent-glow);
}

.logo-concept-link svg {
  fill: var(--arterial-accent-crimson);
  filter: drop-shadow(0 0 5px var(--arterial-accent-crimson));
}

.systolic-menu-list {
  display: flex;
  gap: 32px;
  align-items: center;
}

.diastolic-item-group {
  list-style: none;
}

.hemo-anchor-link {
  font-size: 0.95rem;
  font-weight: 500;
  text-transform: uppercase;
  position: relative;
  padding: 8px 0;
  transition: color 0.3s ease;
}

.hemo-anchor-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--arterial-accent-crimson);
  transition: width 0.3s ease;
}

.hemo-anchor-link:hover {
  color: var(--arterial-accent-crimson);
}

.hemo-anchor-link:hover::after {
  width: 100%;
}

/* Hamburger Styles */
.hamburger-checkbox {
  display: none;
}

.hamburger-trigger-label {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 1001;
}

.hamburger-trigger-label span {
  display: block;
  width: 28px;
  height: 3px;
  background-color: var(--arterial-ink-pure);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Hero Section (Preset D - Immersive Glassmorphism) */
.vital-glow-hero-block {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.vital-glow-hero-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(8, 12, 17, 0.4) 0%, rgba(8, 12, 17, 0.95) 100%);
  z-index: 1;
}

.hero-central-envelope {
  position: relative;
  z-index: 2;
  width: 100%;
}

.glassmorphism-hero-shield {
  background: var(--arterial-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--arterial-glass-border);
  border-radius: var(--arterial-radius-soft);
  padding: 60px;
  max-width: 700px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px var(--arterial-accent-glow);
  animation: pulse-entrance 1s ease-out;
}

@keyframes pulse-entrance {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.pulse-epic-header {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 20px;
  color: var(--arterial-ink-pure);
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.tension-sub-caption {
  font-size: 1.2rem;
  color: var(--arterial-ink-dimmed);
  margin-bottom: 35px;
  border-left: 4px solid var(--arterial-accent-crimson);
  padding-left: 15px;
}

.pulse-action-anchor {
  display: inline-block;
  background: var(--arterial-accent-gradient);
  color: var(--arterial-ink-pure);
  padding: 16px 36px;
  border-radius: var(--arterial-radius-soft);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 4px 15px var(--arterial-accent-glow);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.pulse-action-anchor:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 25px var(--arterial-accent-glow), 0 0 15px var(--arterial-accent-crimson);
}

/* Scroll-Driven Section Reveal (CSS Only) */
.reveal-on-scroll {
  animation: segment-fade-in linear both;
  animation-timeline: view();
  animation-range: entry 10% entry 45%;
}

@keyframes segment-fade-in {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Content Section: Alternating Layout */
.pressure-phase-segment {
  padding: var(--arterial-spacing-normal) 0;
  position: relative;
}

.cardio-flex-line {
  display: flex;
  gap: 50px;
  align-items: center;
}

.tension-column-unit {
  flex: 1;
}

.hemo-visual-frame {
  position: relative;
  border-radius: var(--arterial-radius-soft);
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0,0,0,0.6);
  border: 1px solid var(--arterial-glass-border);
  height: 480px;
}

.hemo-visual-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.85) contrast(1.1);
  transition: transform 0.5s ease;
}

.hemo-visual-frame:hover img {
  transform: scale(1.05);
}

.hemo-visual-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(8, 12, 17, 0.2), rgba(8, 12, 17, 0.7));
  z-index: 1;
}

.vessel-prose-paragraph {
  color: var(--arterial-ink-dimmed);
  font-size: 1.1rem;
  margin-bottom: 24px;
}

.arterial-bullet-list {
  list-style: none;
  margin-top: 25px;
}

.arterial-bullet-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 15px;
  font-size: 1.05rem;
  color: var(--arterial-ink-pure);
}

.arterial-bullet-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--arterial-accent-gradient);
  box-shadow: 0 0 8px var(--arterial-accent-crimson);
}

/* Features Grid Sections */
.pulse-benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.habit-info-plate {
  background: var(--arterial-surface-glass);
  backdrop-filter: blur(8px);
  border: 1px solid var(--arterial-glass-border);
  border-top: 3px solid var(--arterial-accent-crimson);
  border-radius: var(--arterial-radius-soft);
  padding: 40px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.habit-info-plate:hover {
  transform: translateY(-8px);
  border-top-color: var(--arterial-accent-soft);
  box-shadow: 0 15px 40px var(--arterial-accent-glow);
}

.plate-icon-holder {
  width: 60px;
  height: 60px;
  background: rgba(255, 60, 95, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
  border: 1px solid rgba(255, 60, 95, 0.3);
}

.plate-icon-holder svg {
  fill: var(--arterial-accent-crimson);
}

/* Vertical Timeline Section: "Como Funciona" */
.timeline-track-capsule {
  position: relative;
  margin-top: 60px;
  padding-left: 50px;
}

.timeline-track-capsule::before {
  content: '';
  position: absolute;
  left: 17px;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--arterial-accent-crimson);
  box-shadow: 0 0 10px var(--arterial-accent-glow);
}

.timeline-node-segment {
  position: relative;
  margin-bottom: 50px;
}

.timeline-node-segment:last-child {
  margin-bottom: 0;
}

.timeline-numerical-bead {
  position: absolute;
  left: -50px;
  top: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--arterial-dark-abyss);
  border: 3px solid var(--arterial-accent-crimson);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--arterial-ink-pure);
  box-shadow: 0 0 12px var(--arterial-accent-crimson);
  z-index: 2;
}

.timeline-content-card {
  background: var(--arterial-vessel-gradient);
  border: 1px solid var(--arterial-glass-border);
  border-radius: var(--arterial-radius-soft);
  padding: 30px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.4);
}

/* CTA Strip (Preset D - Immersive Ghost Button Style) */
.vital-trigger-strip {
  background: var(--arterial-vessel-gradient);
  padding: var(--arterial-spacing-normal) 0;
  border-top: 1px solid var(--arterial-glass-border);
  border-bottom: 1px solid var(--arterial-glass-border);
  position: relative;
}

.cta-flex-alignment {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.ghost-action-anchor {
  display: inline-block;
  background: transparent;
  color: var(--arterial-ink-pure);
  border: 2px solid var(--arterial-accent-crimson);
  padding: 16px 36px;
  border-radius: var(--arterial-radius-soft);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  box-shadow: inset 0 0 0 0 var(--arterial-accent-crimson);
}

.ghost-action-anchor:hover {
  background-color: var(--arterial-accent-crimson);
  box-shadow: 0 0 20px var(--arterial-accent-glow);
  transform: scale(1.02);
}

/* Expert / Approaches CSS Styles */
.hemo-capsule-plate {
  background: var(--arterial-surface-glass);
  border: 1px solid var(--arterial-glass-border);
  border-radius: var(--arterial-radius-soft);
  padding: 30px;
  margin-bottom: 24px;
  position: relative;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.hemo-capsule-plate::before {
  content: attr(data-number);
  position: absolute;
  right: 20px;
  top: 10px;
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--arterial-accent-crimson);
  opacity: 0.15;
  font-weight: 900;
}

/* Numeric Stat Rows */
.cardio-stat-row {
  display: flex;
  justify-content: space-around;
  gap: 20px;
  margin-top: 40px;
}

.stat-numeric-cell {
  background-color: var(--arterial-slate-surface);
  border: 1px solid var(--arterial-glass-border);
  border-radius: var(--arterial-radius-soft);
  padding: 30px 20px;
  text-align: center;
  flex: 1;
  box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

.stat-metric-number {
  font-family: var(--font-display);
  font-size: 3rem;
  background: var(--arterial-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
  margin-bottom: 10px;
}

.stat-metric-description {
  font-size: 0.9rem;
  color: var(--arterial-ink-dimmed);
  text-transform: uppercase;
}

/* Image Section Full Width (expert.html) */
.vis-expert-strip {
  position: relative;
  height: 50vh;
  min-height: 400px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid var(--arterial-glass-border);
  border-bottom: 1px solid var(--arterial-glass-border);
}

.vis-expert-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8,12,17,0.85) 0%, rgba(8,12,17,0.5) 50%, rgba(8,12,17,0.85) 100%);
}

.expert-strip-overlay-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
}

/* Forms & Reservation */
.booking-epic-card {
  background: var(--arterial-surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--arterial-glass-border);
  border-radius: var(--arterial-radius-soft);
  padding: 50px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6), 0 0 30px var(--arterial-accent-glow);
  max-width: 650px;
  margin: -100px auto 0;
  position: relative;
  z-index: 10;
}

.pulsing-form-box {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.arterial-input-field {
  width: 100%;
  background: rgba(8, 12, 17, 0.7);
  border: 1px solid var(--arterial-glass-border);
  border-radius: 8px;
  padding: 16px;
  color: var(--arterial-ink-pure);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.arterial-input-field:focus {
  outline: none;
  border-color: var(--arterial-accent-crimson);
  box-shadow: 0 0 8px var(--arterial-accent-glow);
}

.form-compliance-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--arterial-ink-dimmed);
  cursor: pointer;
  margin-top: 10px;
}

.form-compliance-checkbox input {
  margin-top: 4px;
  accent-color: var(--arterial-accent-crimson);
}

.vessel-submit-trigger {
  border: none;
  cursor: pointer;
  width: 100%;
  text-align: center;
}

/* FAQ Accordion Section (reserve.html) */
.faq-block-layout {
  margin-top: 60px;
}

.faq-q-item {
  background: var(--arterial-slate-surface);
  border: 1px solid var(--arterial-glass-border);
  border-radius: var(--arterial-radius-soft);
  padding: 24px;
  margin-bottom: 16px;
}

.faq-q-header {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--arterial-accent-soft);
}

.faq-q-answer {
  color: var(--arterial-ink-dimmed);
  font-size: 1rem;
}

/* Info Cards for Reservation Helper */
.reservation-utility-deck {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: var(--arterial-spacing-normal);
}

.numbered-circular-point {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--arterial-accent-crimson);
  color: var(--arterial-ink-pure);
  font-size: 0.8rem;
  font-weight: bold;
  margin-right: 8px;
}

/* Footer Styles */
.footer-vessel-hull {
  background-color: #03060a;
  border-top: 1px solid var(--arterial-glass-border);
  padding: 80px 0 40px;
  font-size: 0.95rem;
}

.footer-nav-hub {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-legal-grid {
  display: flex;
  gap: 24px;
}

.footer-legal-link {
  color: var(--arterial-ink-muted);
  transition: color 0.3s ease;
}

.footer-legal-link:hover {
  color: var(--arterial-accent-crimson);
}

.educational-caveat-banner {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 30px;
  color: var(--arterial-ink-muted);
  font-size: 0.85rem;
  line-height: 1.6;
  text-align: center;
}

.copyright-seal {
  margin-top: 20px;
  text-align: center;
  color: var(--arterial-ink-muted);
  font-size: 0.8rem;
}

/* Cookie Banner Styles */
.cookie-sentinel-vessel {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(18, 24, 34, 0.96);
  border-top: 2px solid var(--arterial-accent-crimson);
  backdrop-filter: blur(16px);
  padding: 24px;
  z-index: 99999;
  box-shadow: 0 -10px 40px rgba(0,0,0,0.8);
  display: none;
}

.cookie-vessel-flex {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
}

.cookie-text-prompt {
  font-size: 0.95rem;
  color: var(--arterial-ink-dimmed);
}

.cookie-control-set {
  display: flex;
  gap: 16px;
}

.cookie-btn {
  padding: 10px 24px;
  border-radius: var(--arterial-radius-soft);
  cursor: pointer;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.cookie-btn-accept {
  background: var(--arterial-accent-gradient);
  color: var(--arterial-ink-pure);
  border: none;
}

.cookie-btn-decline {
  background: transparent;
  color: var(--arterial-ink-dimmed);
  border: 1px solid var(--arterial-glass-border);
}

.cookie-btn-decline:hover {
  color: var(--arterial-ink-pure);
  border-color: var(--arterial-ink-pure);
}

/* Generic Utility Classes */
.alignment-center-prose {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.margin-bottom-sm {
  margin-bottom: 24px;
}

.margin-bottom-lg {
  margin-bottom: 48px;
}

.accent-colored-text {
  color: var(--arterial-accent-crimson);
}

/* Responsive Adaptations */
@media (max-width: 991px) {
  .cardio-flex-line {
    flex-direction: column;
    gap: 40px;
  }
  
  .hemo-visual-frame {
    height: 350px;
    width: 100%;
  }

  .pulse-benefits-grid,
  .reservation-utility-deck {
    grid-template-columns: 1fr;
  }
  
  .cta-flex-alignment {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 767px) {
  .hamburger-trigger-label {
    display: flex;
  }

  .systolic-menu-list {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background-color: var(--arterial-dark-abyss);
    border-bottom: 1px solid var(--arterial-glass-border);
    flex-direction: column;
    padding: 40px 24px;
    gap: 24px;
    transform: translateY(-120%);
    transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
    z-index: 1000;
  }

  .hamburger-checkbox:checked ~ .systolic-menu-list {
    transform: translateY(0);
  }

  .hamburger-checkbox:checked + .hamburger-trigger-label span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }

  .hamburger-checkbox:checked + .hamburger-trigger-label span:nth-child(2) {
    opacity: 0;
  }

  .hamburger-checkbox:checked + .hamburger-trigger-label span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }

  .glassmorphism-hero-shield {
    padding: 30px 20px;
  }
  
  .booking-epic-card {
    margin-top: -50px;
    padding: 30px 20px;
  }

  .cardio-stat-row {
    flex-direction: column;
    gap: 16px;
  }
  
  .footer-nav-hub {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .footer-legal-grid {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }
}