@import url('https://fonts.googleapis.com/css2?family=Lato:wght@400;700&family=Montserrat:wght@700;900&display=swap');

:root {
  /* Topic-based variables */
  --nutri-dark-bg: #0D1117;
  --nutri-surface: #1E2333;
  --nutri-glass: rgba(30, 35, 51, 0.6);
  --nutri-glass-border: rgba(0, 240, 255, 0.2);
  --nutri-accent: #00F0FF;
  --nutri-accent-glow: rgba(0, 240, 255, 0.3);
  --nutri-text: #F0F6FC;
  --nutri-text-muted: #A3B3C1;
  --nutri-gradient: linear-gradient(135deg, #00F0FF, #0088FF);
  
  /* Typography */
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Lato', sans-serif;
  
  /* Styling scales */
  --nutri-pad-dvh: 10dvh;
  --nutri-radius: 16px;
  --nutri-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  --nutri-glow-shadow: 0 0 20px var(--nutri-accent-glow);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--nutri-dark-bg);
  color: var(--nutri-text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-weight: 900;
  margin-bottom: 1rem;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Base structural tags */
figure {
  margin: 0;
}

/* ---------------------------------
   HEADER
--------------------------------- */
.joint-nav-wrap {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nutri-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--nutri-glass-border);
  box-shadow: var(--nutri-shadow);
}

.joint-nav-core {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  max-width: 1440px;
  margin: 0 auto;
}

.nutri-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--nutri-text);
  text-transform: uppercase;
}

.nutri-brand svg {
  width: 32px;
  height: 32px;
  fill: var(--nutri-accent);
  filter: drop-shadow(0 0 8px var(--nutri-accent-glow));
}

.nav-toggle-check {
  display: none;
}

.nav-hamburger {
  display: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-hamburger svg {
  width: 28px;
  height: 28px;
  fill: var(--nutri-text);
}

.joint-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.joint-links a {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  transition: color 0.3s;
}

.joint-links a:hover,
.joint-links a:focus {
  color: var(--nutri-accent);
}

/* ---------------------------------
   BUTTONS (Topic based names)
--------------------------------- */
.action-trigger-nutri {
  display: inline-block;
  background: var(--nutri-accent);
  color: var(--nutri-dark-bg);
  padding: 1rem 2rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 900;
  border-radius: var(--nutri-radius);
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.3s ease;
  box-shadow: var(--nutri-glow-shadow);
}

.action-trigger-nutri:hover {
  background: var(--nutri-text);
  box-shadow: 0 0 25px rgba(255,255,255,0.4);
  transform: translateY(-2px);
}

.action-trigger-ghost {
  display: inline-block;
  background: transparent;
  color: var(--nutri-accent);
  padding: 1rem 2rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 900;
  border-radius: var(--nutri-radius);
  border: 2px solid var(--nutri-accent);
  text-transform: uppercase;
  transition: all 0.3s ease;
}

.action-trigger-ghost:hover {
  background: var(--nutri-accent);
  color: var(--nutri-dark-bg);
  box-shadow: var(--nutri-glow-shadow);
}

/* ---------------------------------
   INDEX: PRESET D LAYOUT
--------------------------------- */
.flex-intro-zone {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 5%;
  background: black;
}

.flex-intro-zone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('img/bg.webp') center/cover no-repeat;
  opacity: 0.4;
  z-index: 0;
}

.glass-intro-panel {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 650px;
  background: var(--nutri-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 3rem;
  border-radius: var(--nutri-radius);
  border: 1px solid var(--nutri-glass-border);
  box-shadow: var(--nutri-shadow);
}

.joint-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--nutri-text);
  line-height: 1.1;
}

.joint-subtitle {
  font-size: 1.1rem;
  color: var(--nutri-text-muted);
  margin-bottom: 2rem;
}

/* Content Split Section */
.diet-info-wrapper {
  display: flex;
  flex-wrap: wrap;
  padding: var(--nutri-pad-dvh) 0;
  background: var(--nutri-dark-bg);
}

.diet-img-side {
  flex: 1 1 50%;
  min-width: 300px;
  min-height: 50vh;
  background: url('img/bg2.webp') center/cover no-repeat;
}

.diet-text-side {
  flex: 1 1 50%;
  padding: 4rem 5%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--nutri-surface);
}

.diet-point-list {
  list-style: none;
  margin-top: 1.5rem;
}

.diet-point-item {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.diet-point-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  background: var(--nutri-accent);
  border-radius: 50%;
  box-shadow: var(--nutri-glow-shadow);
}

/* Glass Features Grid */
.mobility-grid-zone {
  padding: var(--nutri-pad-dvh) 5%;
  background: var(--nutri-dark-bg);
  position: relative;
}

.mobility-grid-core {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1440px;
  margin: 0 auto;
}

.mobility-glass-card {
  background: rgba(30, 35, 51, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 3px solid var(--nutri-accent);
  border-radius: var(--nutri-radius);
  padding: 2.5rem 2rem;
  box-shadow: var(--nutri-shadow);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.mobility-glass-card:hover {
  border-color: #FFF;
  transform: translateY(-5px);
}

.mobility-icon-wrap svg {
  width: 32px;
  height: 32px;
  fill: var(--nutri-accent);
  margin-bottom: 1.5rem;
}

.mobility-card-title {
  font-size: 1.3rem;
  color: var(--nutri-text);
  margin-bottom: 0.5rem;
}

/* Vertical Process Track */
.process-v-zone {
  padding: var(--nutri-pad-dvh) 5%;
  background: var(--nutri-surface);
}

.process-v-core {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  padding-left: 3rem;
  border-left: 3px solid var(--nutri-accent);
}

.process-step-row {
  position: relative;
  margin-bottom: 4rem;
}

.process-step-row:last-child {
  margin-bottom: 0;
}

.process-node {
  position: absolute;
  left: -4.15rem;
  top: 0;
  width: 40px;
  height: 40px;
  background: var(--nutri-dark-bg);
  border: 2px solid var(--nutri-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 900;
  color: var(--nutri-accent);
  box-shadow: var(--nutri-glow-shadow);
}

.process-details h3 {
  font-size: 1.5rem;
}

/* CTA Strip */
.final-call-strip {
  padding: var(--nutri-pad-dvh) 5%;
  background: var(--nutri-dark-bg);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.final-call-head {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  max-width: 800px;
}

/* ---------------------------------
   EXPERT PAGE
--------------------------------- */
.expert-minimal-intro {
  padding: calc(var(--nutri-pad-dvh) + 5dvh) 5%;
  background: var(--nutri-dark-bg);
  text-align: center;
  border-bottom: 1px solid var(--nutri-surface);
}

.expert-accord-zone {
  padding: var(--nutri-pad-dvh) 5%;
  max-width: 800px;
  margin: 0 auto;
}

.accord-folder {
  background: var(--nutri-surface);
  border-radius: var(--nutri-radius);
  margin-bottom: 1rem;
  padding: 1.5rem;
  box-shadow: var(--nutri-shadow);
}

.accord-summary {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.2rem;
  cursor: default;
  list-style: none;
  position: relative;
  padding-left: 2.5rem;
}

.accord-summary::-webkit-details-marker {
  display: none;
}

.accord-summary::before {
  content: '>';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--nutri-accent);
  font-weight: bold;
}

.accord-content-body {
  margin-top: 1rem;
  color: var(--nutri-text-muted);
}

.expert-vision-split {
  position: relative;
  background: black;
  color: var(--nutri-text);
  padding: var(--nutri-pad-dvh) 5%;
}

.expert-vision-split::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('img/bg3.webp') center/cover no-repeat;
  opacity: 0.3;
  z-index: 0;
}

.expert-vision-text {
  position: relative;
  z-index: 10;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.stat-numeric-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  padding: var(--nutri-pad-dvh) 5%;
  background: var(--nutri-surface);
  justify-content: center;
}

.stat-numeric-box {
  background: var(--nutri-dark-bg);
  padding: 2rem;
  border-radius: var(--nutri-radius);
  text-align: center;
  flex: 1 1 200px;
  max-width: 300px;
  border: 1px solid var(--nutri-glass-border);
}

.stat-big-val {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--nutri-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label-text {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---------------------------------
   RESERVE PAGE
--------------------------------- */
.reserve-dark-portal {
  padding: var(--nutri-pad-dvh) 5%;
  background: var(--nutri-dark-bg);
  display: flex;
  flex-wrap: wrap;
  gap: 4rem;
  justify-content: center;
  align-items: flex-start;
}

.portal-form-board {
  flex: 1 1 100%;
  max-width: 600px;
  background: var(--nutri-surface);
  padding: 3rem;
  border-radius: var(--nutri-radius);
  box-shadow: var(--nutri-shadow);
  border-top: 4px solid var(--nutri-accent);
}

.portal-info-cards {
  flex: 1 1 100%;
  max-width: 600px;
  display: grid;
  gap: 1.5rem;
}

.info-card-nutri {
  background: var(--nutri-surface);
  padding: 2rem;
  border-radius: var(--nutri-radius);
  border-left: 4px solid var(--nutri-accent);
}

.info-card-nutri ul {
  list-style: none;
  margin-top: 1rem;
}

.info-card-nutri ul li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
}

.info-card-nutri ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--nutri-accent);
  border-radius: 50%;
}

.field-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
}

.field-group label {
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--nutri-text-muted);
}

.data-input-nutri {
  padding: 1rem;
  background: var(--nutri-dark-bg);
  border: 1px solid var(--nutri-glass-border);
  color: var(--nutri-text);
  border-radius: 8px;
  font-family: var(--font-body);
  transition: border-color 0.3s;
}

.data-input-nutri:focus {
  outline: none;
  border-color: var(--nutri-accent);
}

.reserve-faq-zone {
  padding: var(--nutri-pad-dvh) 5%;
  background: var(--nutri-dark-bg);
}

/* ---------------------------------
   COOKIES & FOOTER
--------------------------------- */
.nutri-foot-zone {
  background: #000;
  padding: 4rem 5% 2rem;
  text-align: center;
}

.foot-nav-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin: 2rem 0;
  list-style: none;
}

.foot-nav-links a {
  color: var(--nutri-text-muted);
  font-size: 0.9rem;
}

.nutri-foot-disclaim {
  font-size: 0.8rem;
  color: #666;
  margin-bottom: 1rem;
  max-width: 800px;
  margin-inline: auto;
}

.nutri-foot-copy {
  font-size: 0.8rem;
  color: #555;
  margin-top: 2rem;
}

.cookie-alert-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--nutri-surface);
  border-top: 1px solid var(--nutri-glass-border);
  padding: 1.5rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  z-index: 9999;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.5);
}

.cookie-actions {
  display: flex;
  gap: 1rem;
}

/* ---------------------------------
   RESPONSIVE
--------------------------------- */
@media (max-width: 900px) {
  .diet-img-side {
    min-height: 300px;
  }
}

@media (max-width: 768px) {
  .nav-hamburger {
    display: block;
  }
  
  .joint-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--nutri-surface);
    padding: 2rem 5%;
    gap: 1.5rem;
    border-bottom: 1px solid var(--nutri-glass-border);
  }
  
  .nav-toggle-check:checked ~ .joint-links {
    display: flex;
  }
  
  .joint-title {
    font-size: 2rem;
  }

  .cookie-alert-bar {
    flex-direction: column;
    text-align: center;
  }
}