:root {
  --color-primary: #101B37;
  --color-secondary: #E2E8F0;
  --color-accent: #00F0FF;
  --color-background: #F8FAFC;
  --font-main: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
  --radius: 2px;
  --shadow: 0 1px 3px rgba(16, 27, 55, 0.06);
  --spacing: 1.5rem;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --blur: 12px;
}

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

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-primary);
  background: var(--color-background);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

main {
  flex: 1;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

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

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.2;
  margin-top: 0;
}

h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: clamp(1.125rem, 2vw, 1.5rem); }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing);
}

.section {
  padding: clamp(3rem, 6vw, 5rem) 0;
  scroll-margin-top: 5rem;
}

.section-title {
  text-align: center;
  margin-bottom: 2.5rem;
  color: var(--color-primary);
}

.section-title h2 {
  margin-bottom: 0.5rem;
}

.section-title p {
  color: var(--color-primary);
  opacity: 0.8;
  font-size: 0.95rem;
  max-width: 36ch;
  margin: 0 auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border-bottom: 0.5pt solid var(--color-secondary);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary);
}

.brand img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.nav-desktop {
  display: none;
}

.nav-desktop ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.5rem;
}

.nav-desktop a {
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
}

.nav-desktop a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav-desktop a:hover::after {
  width: 100%;
}

.burger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 0.5pt solid var(--color-secondary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.burger-btn:hover {
  background: var(--color-secondary);
}

.burger-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  transition: transform var(--transition), opacity var(--transition);
}

.burger-btn[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger-btn[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.burger-btn[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 1024px) {
  .burger-btn {
    display: none;
  }

  .nav-desktop {
    display: block;
  }
}

/* Burger overlay menu */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(16, 27, 55, 0.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.nav-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: min(100%, 1023px);
  max-width: 1023px;
  height: 100vh;
  background: var(--color-background);
  border-left: 0.5pt solid var(--color-secondary);
  padding: 5rem 1.5rem 2rem;
  transform: translateX(100%);
  transition: transform var(--transition);
  z-index: 201;
  overflow-y: auto;
}

.nav-overlay.is-open .nav-menu {
  transform: translateX(0);
}

.nav-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu li {
  border-bottom: 0.5pt solid var(--color-secondary);
}

.nav-menu a {
  display: block;
  padding: 1rem 0;
  color: var(--color-primary);
  font-weight: 500;
  transition: color var(--transition), padding-left var(--transition);
}

.nav-menu a:hover {
  color: var(--color-accent);
  padding-left: 0.5rem;
}

/* Cards */
.card {
  background: rgba(248, 250, 252, 0.7);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 0.5pt solid var(--color-secondary);
  border-radius: var(--radius);
  padding: var(--spacing);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px rgba(0, 240, 255, 0.15);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  border: 0.5pt solid var(--color-primary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-secondary);
}

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

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-secondary);
}

/* Hero - The Prelude */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 5rem 0 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(16, 27, 55, 0.03) 0%, rgba(0, 240, 255, 0.04) 50%, rgba(248, 250, 252, 1) 100%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.hero-content h1 {
  margin-bottom: 0.5rem;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.hero-rating {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.hero-rating span {
  font-size: 0.9rem;
  color: var(--color-primary);
  opacity: 0.9;
}

.hero-description {
  margin-bottom: 1.5rem;
  color: var(--color-primary);
  opacity: 0.9;
  max-width: 42ch;
}

.hero-price-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.hero-price {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
}

.hero-price-old {
  font-size: 1rem;
  color: var(--color-primary);
  opacity: 0.5;
  text-decoration: line-through;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual img {
  width: 100%;
  max-width: 320px;
  height: auto;
  border-radius: var(--radius);
}

/* Order form */
.order-form-wrap {
  margin-top: 2rem;
}

.order-form {
  display: grid;
  gap: 1rem;
  max-width: 400px;
}

.order-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  color: var(--color-primary);
}

.order-form label .required::after {
  content: ' *';
  color: var(--color-accent);
}

.order-form input,
.order-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-main);
  font-size: 1rem;
  border: 0.5pt solid var(--color-secondary);
  border-radius: var(--radius);
  background: var(--color-background);
  transition: border-color var(--transition);
}

.order-form input:focus,
.order-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.order-form textarea {
  min-height: 100px;
  resize: vertical;
}

.gdpr-check {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.gdpr-check input {
  width: auto;
  margin-top: 0.25rem;
}

.gdpr-check label {
  font-size: 0.8rem;
  font-weight: 400;
  opacity: 0.9;
}

.form-error {
  font-size: 0.8rem;
  color: #c53030;
  margin-top: 0.25rem;
}

/* Grid sections */
.grid-section {
  display: grid;
  gap: var(--spacing);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid-section {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .grid-section.grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Essence Matrix, Daily Protocol, etc. */
.section-card {
  padding: 1.5rem;
}

.section-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.section-card p {
  margin: 0;
  font-size: 0.9rem;
  opacity: 0.9;
}

/* Vital Metrics */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (min-width: 640px) {
  .metrics-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.metric-card {
  text-align: center;
  padding: 1.25rem;
}

.metric-card .value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.metric-card .label {
  font-size: 0.8rem;
  opacity: 0.85;
}

/* Experience Lab - testimonials style */
.experience-list .card {
  margin-bottom: 1rem;
}

.experience-list .card:last-child {
  margin-bottom: 0;
}

/* Direct Connection - Contact */
.contact-content {
  text-align: center;
  max-width: 500px;
  margin: 0 auto;
}

.contact-content p {
  margin-bottom: 1rem;
  opacity: 0.9;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  background: var(--color-primary);
  color: var(--color-secondary);
  border-radius: var(--radius);
  font-weight: 600;
  transition: background var(--transition), color var(--transition);
}

.contact-email:hover {
  background: var(--color-accent);
  color: var(--color-primary);
}

.address-block {
  margin-top: 1.5rem;
  font-size: 0.9rem;
  opacity: 0.85;
}

/* Legal disclaimer */
.legal-disclaimer {
  background: rgba(226, 232, 240, 0.5);
  border: 0.5pt solid var(--color-secondary);
  border-radius: var(--radius);
  padding: 1rem var(--spacing);
  margin-top: 2rem;
  font-size: 0.8rem;
  color: var(--color-primary);
  opacity: 0.9;
  text-align: center;
}

/* Footer */
.site-footer {
  margin-top: auto;
  padding: 2rem var(--spacing);
  background: var(--color-primary);
  color: var(--color-secondary);
  border-top: 0.5pt solid rgba(226, 232, 240, 0.2);
}

.site-footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.footer-links a {
  color: var(--color-secondary);
  font-size: 0.9rem;
}

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

.copyright {
  font-size: 0.85rem;
  opacity: 0.9;
}

/* Scroll progress */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--color-accent);
  z-index: 999;
  transition: width 0.1s ease-out;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Cookie consent */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.25rem var(--spacing);
  background: var(--color-primary);
  color: var(--color-secondary);
  border-top: 0.5pt solid var(--color-accent);
  z-index: 1000;
  transform: translateY(100%);
  transition: transform var(--transition);
}

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

.cookie-consent .container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.cookie-consent p {
  margin: 0;
  font-size: 0.9rem;
  opacity: 0.95;
}

.cookie-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.cookie-buttons .btn {
  font-size: 0.875rem;
}

.cookie-settings {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 0.5pt solid rgba(226, 232, 240, 0.2);
}

.cookie-settings h4 {
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.cookie-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
  font-size: 0.875rem;
}

.cookie-toggle input {
  width: auto;
}

.cookie-settings-content {
  display: none;
}

.cookie-settings-content.is-open {
  display: block;
}

/* FAQ accordion */
.faq-list {
  max-width: 640px;
  margin: 0 auto;
}

.faq-item {
  border: 0.5pt solid var(--color-secondary);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  overflow: hidden;
}

.faq-item button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 500;
  text-align: left;
  background: var(--color-background);
  border: none;
  cursor: pointer;
  color: var(--color-primary);
  transition: background var(--transition);
}

.faq-item button:hover {
  background: var(--color-secondary);
}

.faq-item button[aria-expanded="true"] {
  background: rgba(226, 232, 240, 0.5);
}

.faq-item .faq-icon {
  flex-shrink: 0;
  margin-left: 0.5rem;
  transition: transform var(--transition);
}

.faq-item button[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}

.faq-content {
  padding: 0 1.25rem 1rem;
  font-size: 0.9rem;
  opacity: 0.9;
}

.faq-content p {
  margin: 0;
}

/* Thank you page */
.thank-you-section {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 0;
}

.thank-you-section h1 {
  margin-bottom: 1rem;
}

.thank-you-section .btn {
  margin-top: 1.5rem;
}

/* Legal pages */
.legal-page main {
  padding: 3rem 0 4rem;
}

.legal-page h1 {
  margin-bottom: 1rem;
}

.legal-page h2 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.legal-page p,
.legal-page ul {
  margin-bottom: 1rem;
  opacity: 0.95;
}

.legal-page ul {
  padding-left: 1.5rem;
}

.date {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-bottom: 2rem;
}

/* Utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

button:focus:not(:focus-visible),
a:focus:not(:focus-visible) {
  outline: none;
}