:root {
  --color-bg: #eef2f7;
  --color-surface: #ffffff;
  --color-surface-alt: #e2e8f0;
  --color-ink: #0f172a;
  --color-ink-muted: #475569;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-accent-soft: #dbeafe;
  --color-warm: #b45309;
  --color-warm-soft: #fff7ed;
  --color-border: #cbd5e1;
  --color-cookie-bar: #0f172a;
  --color-cookie-text: #f1f5f9;
  --color-hydration-a: #2563eb;
  --color-hydration-b: #4f46e5;
  --color-hydration-c: #0284c7;
  --color-quote-muted: #cbd5e1;
  --color-quote-label: #93c5fd;
  --font-display: "Segoe UI", system-ui, sans-serif;
  --font-body: "Segoe UI", system-ui, sans-serif;
  --fs-hero: clamp(1.65rem, 3.5vw, 2.45rem);
  --fs-h2: clamp(1.35rem, 2.4vw, 1.85rem);
  --fs-h3: clamp(1.05rem, 1.6vw, 1.2rem);
  --fs-small: clamp(0.78rem, 1.1vw, 0.875rem);
  --fs-nav: clamp(0.72rem, 1vw, 0.82rem);
  --lh-tight: 1.2;
  --lh-body: 1.65;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.1);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --space-xs: 0.35rem;
  --space-sm: 0.65rem;
  --space-md: 1rem;
  --space-lg: 1.75rem;
  --space-xl: 2.75rem;
  --space-2xl: 4rem;
  --header-height: 3.35rem;
  --transition: 0.22s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.05vw, 1.05rem);
  line-height: var(--lh-body);
  color: var(--color-ink);
  background: var(--color-bg);
}

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

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--transition), background-color var(--transition);
}

a:hover {
  color: var(--color-accent-hover);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.5rem;
  z-index: 10000;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent-hover);
  color: #ffffff;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  left: 0.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-shell {
  position: relative;
  width: 100%;
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: var(--header-height);
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.78rem, 1.15vw, 0.95rem);
  letter-spacing: -0.02em;
  color: var(--color-ink);
  text-decoration: none;
  line-height: var(--lh-tight);
  max-width: min(240px, 42vw);
}

.brand:hover {
  color: var(--color-accent-hover);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: clamp(0.35rem, 1.2vw, 0.75rem);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-desktop a {
  font-size: var(--fs-nav);
  font-weight: 600;
  color: var(--color-ink-muted);
  text-decoration: none;
  padding: 0.35rem 0.45rem;
  border-radius: var(--radius-sm);
}

.nav-desktop a:hover {
  color: var(--color-accent);
  background: var(--color-accent-soft);
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.menu-toggle span {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: var(--color-ink);
  position: relative;
}

.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-ink);
  transition: transform var(--transition);
}

.menu-toggle span::before {
  top: -6px;
}

.menu-toggle span::after {
  top: 6px;
}

.menu-toggle[aria-expanded="true"] span {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] span::before {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span::after {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-mobile {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  z-index: 920;
  margin: 0;
  padding: var(--space-md);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.nav-mobile.is-open {
  display: block;
}

.nav-mobile ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.nav-mobile a {
  display: block;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-ink);
  text-decoration: none;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
}

.nav-mobile a:hover {
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
  border-color: rgba(37, 99, 235, 0.28);
}

@media (max-width: 1000px) {
  .nav-desktop {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }
}

@media (min-width: 1001px) {
  .nav-mobile {
    display: none !important;
  }
}

main {
  overflow-x: hidden;
}

.section {
  padding: var(--space-2xl) var(--space-md);
}

.section-inner {
  max-width: 1120px;
  margin: 0 auto;
}

.section-label {
  font-size: var(--fs-small);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin: 0 0 var(--space-sm);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: var(--lh-tight);
  color: var(--color-ink);
}

h1 {
  font-size: var(--fs-hero);
  margin: 0 0 var(--space-md);
}

h2 {
  font-size: var(--fs-h2);
  margin: 0 0 var(--space-lg);
}

h3 {
  font-size: var(--fs-h3);
  margin: 0 0 var(--space-sm);
}

p {
  margin: 0 0 var(--space-md);
  color: var(--color-ink-muted);
}

p:last-child {
  margin-bottom: 0;
}

.lead {
  font-size: 1.06rem;
  max-width: 44rem;
}

.hero {
  background: linear-gradient(135deg, #ffffff 0%, var(--color-bg) 42%, var(--color-accent-soft) 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
  align-items: center;
}

.hero figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.disclaimer {
  margin-top: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface);
  border-left: 4px solid var(--color-warm);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  font-size: var(--fs-small);
  color: var(--color-ink-muted);
}

.section-intro {
  background: var(--color-surface);
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
  align-items: start;
}

.stat-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.stat-pill {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent-soft);
  border-radius: var(--radius-pill);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-accent-hover);
  border: 1px solid rgba(37, 99, 235, 0.22);
}

.section-rhythm {
  background: var(--color-surface-alt);
  position: relative;
}

.section-rhythm::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 22% 28%, rgba(37, 99, 235, 0.07), transparent 52%);
  pointer-events: none;
}

.section-rhythm .section-inner {
  position: relative;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.card {
  background: var(--color-surface);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-num {
  display: inline-flex;
  width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  background: var(--color-warm-soft);
  color: var(--color-warm);
  font-weight: 800;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

.section-variety {
  background: var(--color-surface);
}

.split-feature {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
  align-items: center;
}

.split-feature figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-pill);
  background: var(--color-ink);
  color: var(--color-surface);
}

.section-hydration {
  background: linear-gradient(180deg, #e0e7ff 0%, var(--color-bg) 100%);
}

.hydration-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.hydration-cards .card:nth-child(1) {
  border-top: 3px solid var(--color-hydration-a);
}

.hydration-cards .card:nth-child(2) {
  border-top: 3px solid var(--color-hydration-b);
}

.hydration-cards .card:nth-child(3) {
  border-top: 3px solid var(--color-hydration-c);
}

.section-mindful {
  background: var(--color-warm-soft);
}

.timeline {
  list-style: none;
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-lg);
  margin: 0;
}

.timeline li {
  margin-bottom: var(--space-lg);
  list-style: none;
  position: relative;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--space-lg) - 8px);
  top: 0.35rem;
  width: 14px;
  height: 14px;
  background: var(--color-accent);
  border-radius: 50%;
  border: 3px solid var(--color-surface);
}

.section-habits {
  background: var(--color-surface);
}

.habits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}

.habit-item {
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border);
  transition: background var(--transition), border-color var(--transition);
}

.habit-item:hover {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
}

.section-testimonials {
  background: var(--color-ink);
  color: var(--color-surface);
}

.section-testimonials h2,
.section-testimonials h3,
.section-testimonials .section-label {
  color: var(--color-surface);
}

.section-testimonials .section-label {
  color: var(--color-quote-label);
}

.section-testimonials p {
  color: var(--color-quote-muted);
}

.quote-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.quote-card {
  padding: var(--space-lg);
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: background var(--transition), transform var(--transition);
}

.quote-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}

.quote-author {
  font-weight: 700;
  font-size: var(--fs-small);
  color: var(--color-surface);
  margin-top: var(--space-md);
}

.section-faq {
  background: var(--color-bg);
}

.faq-list details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-sm);
  box-shadow: var(--shadow-sm);
}

.faq-list summary {
  font-weight: 700;
  cursor: pointer;
  color: var(--color-ink);
}

.faq-list details[open] summary {
  color: var(--color-accent);
}

.faq-list p {
  margin-top: var(--space-sm);
}

.section-contact {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
  align-items: start;
}

.contact-form label {
  display: block;
  font-weight: 600;
  font-size: var(--fs-small);
  margin-bottom: var(--space-xs);
  color: var(--color-ink);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  margin-bottom: var(--space-md);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.22);
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

.field-error {
  font-size: 0.8rem;
  color: #9d0208;
  margin: calc(-1 * var(--space-sm)) 0 var(--space-sm);
  min-height: 1.1rem;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.checkbox-row input {
  width: auto;
  margin: 0.2rem 0 0;
}

.checkbox-row label {
  font-weight: 400;
  margin: 0;
  color: var(--color-ink-muted);
  font-size: var(--fs-small);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.55rem 1.25rem;
  font-family: inherit;
  font-size: var(--fs-small);
  font-weight: 700;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-primary {
  background: var(--color-accent);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: #f8fafc;
}

.btn-secondary {
  background: #4338ca;
  color: #eef2ff;
}

.btn-secondary:hover {
  background: #3730a3;
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent);
  color: #ffffff;
}

.map-embed {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.map-embed iframe {
  width: 100%;
  height: 320px;
  border: 0;
  display: block;
}

.site-footer {
  background: var(--color-ink);
  color: #94a3b8;
  padding: var(--space-xl) var(--space-md);
  font-size: var(--fs-small);
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.site-footer a {
  color: #93c5fd;
}

.site-footer a:hover {
  color: #ffffff;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  margin-top: var(--space-md);
}

.footer-meta {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #64748b;
}

.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9500;
  background: var(--color-cookie-bar);
  color: var(--color-cookie-text);
  padding: var(--space-md) var(--space-md);
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.2);
  transform: translateY(100%);
  transition: transform var(--transition);
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-md);
  align-items: center;
}

.cookie-banner p {
  color: #d6d3ce;
  margin: 0;
  font-size: var(--fs-small);
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: flex-end;
}

.cookie-actions .btn {
  font-size: 0.75rem;
  padding: 0.45rem 0.9rem;
}

.cookie-actions .btn-ghost {
  background: transparent;
  color: var(--color-cookie-text);
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.cookie-actions .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.cookie-actions .btn-accept:hover {
  color: #f8fafc;
}

.cookie-actions .btn-reject:hover {
  color: #ffffff;
}

@media (max-width: 600px) {
  .cookie-inner {
    grid-template-columns: 1fr;
  }

  .cookie-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cookie-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

.cookie-modal {
  position: fixed;
  inset: 0;
  z-index: 9600;
  background: rgba(20, 18, 16, 0.55);
  display: none;
  align-items: flex-end;
  justify-content: center;
  padding: var(--space-md);
}

.cookie-modal.is-open {
  display: flex;
}

.cookie-modal-dialog {
  background: var(--color-surface);
  color: var(--color-ink);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  max-width: 480px;
  width: 100%;
  max-height: 88vh;
  overflow: auto;
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
}

.cookie-modal-dialog h2 {
  margin-top: 0;
}

.cookie-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.cookie-toggle-row p {
  margin: 0;
  font-size: var(--fs-small);
}

.cookie-toggle-row small {
  display: block;
  color: var(--color-ink-muted);
  font-weight: 400;
}

.switch {
  position: relative;
  width: 46px;
  height: 26px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  inset: 0;
  background: #c4bdb0;
  border-radius: var(--radius-pill);
  transition: background var(--transition);
  cursor: pointer;
}

.slider::before {
  content: "";
  position: absolute;
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition);
}

.switch input:checked + .slider {
  background: var(--color-accent);
}

.switch input:checked + .slider::before {
  transform: translateX(20px);
}

.switch input:disabled + .slider {
  opacity: 0.65;
  cursor: not-allowed;
}

.cookie-modal-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

@media (min-width: 480px) {
  .cookie-modal-actions {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .cookie-modal-actions .btn {
    flex: 1;
    min-width: 120px;
  }
}

@media (max-width: 479px) {
  .cookie-modal-actions {
    flex-direction: column;
  }

  .cookie-modal-actions .btn {
    width: 100%;
  }
}

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: var(--space-md) 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-small);
  min-width: 480px;
}

th,
td {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  background: var(--color-surface-alt);
  font-weight: 700;
}

.legal-page main {
  padding: var(--space-xl) var(--space-md) var(--space-2xl);
}

.legal-inner {
  max-width: 800px;
  margin: 0 auto;
  background: var(--color-surface);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.legal-back {
  margin-bottom: var(--space-lg);
}

.thank-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
}

.thank-page .section-inner {
  max-width: 560px;
}