/* Chronos Logic — neutral clinical informational layout */

:root {
  --color-primary: #E2E8F0;
  --color-secondary: #1E293B;
  --color-accent: #38BDF8;
  --color-bg: #F8FAFC;
  --color-surface: #FFFFFF;
  --font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 4.5rem;
  --radius-pill: 999px;
  --shadow-float: 0 0 0 1px rgba(56, 189, 248, 0.08),
    0 12px 40px -12px rgba(30, 41, 59, 0.18);
  --max-content: 72rem;
  --header-h: 4.25rem;
}

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  overflow-x: hidden;
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--color-secondary);
  background: var(--color-bg);
  min-width: 320px;
}

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

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color 0.2s ease, box-shadow 0.2s ease;
}

a:hover,
a:focus-visible {
  color: var(--color-accent);
  outline: none;
}

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

/* —— Header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 250, 252, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(30, 41, 59, 0.06);
}

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

.site-title {
  font-size: clamp(0.75rem, 2.5vw, 1.05rem);
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-secondary);
  flex-shrink: 0;
}

.site-title:hover {
  color: var(--color-secondary);
  box-shadow: 0 1px 0 var(--color-accent);
}

/* Desktop nav inside header */
.nav-desktop {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-desktop a {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
}

.nav-desktop a:hover {
  border-bottom-color: rgba(56, 189, 248, 0.5);
}

/* Burger — always in header, last */
.burger {
  display: none;
  order: 99;
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  cursor: pointer;
  position: relative;
  box-shadow: var(--shadow-float);
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.burger:hover,
.burger:focus-visible {
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.45), 0 0 24px rgba(56, 189, 248, 0.2);
}

.burger-lines {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: var(--color-secondary);
  margin: 0.22rem auto;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.burger[aria-expanded="true"] .burger-lines:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

.burger[aria-expanded="true"] .burger-lines:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Nav panel — separate from header */
.nav-panel {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  background: rgba(248, 250, 252, 0.98);
  backdrop-filter: blur(12px);
  padding: var(--space-md);
  overflow-y: auto;
  border-top: 1px solid rgba(30, 41, 59, 0.08);
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-panel.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.nav-panel-list {
  list-style: none;
  margin: 0;
  padding: var(--space-md) 0;
  max-width: 24rem;
  margin-left: auto;
  margin-right: auto;
}

.nav-panel-list a {
  display: block;
  padding: var(--space-sm) 0;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(30, 41, 59, 0.08);
}

.nav-panel-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--header-h);
  z-index: 35;
  background: rgba(30, 41, 59, 0.25);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.nav-panel-backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 1023px) {
  .nav-desktop-wrap {
    display: none;
  }

  .burger {
    display: block;
  }

  .nav-panel {
    display: block;
  }

  .nav-panel-backdrop {
    display: block;
  }
}

@media (min-width: 1024px) {
  .nav-panel,
  .nav-panel-backdrop {
    display: none !important;
  }
}

body.nav-locked {
  overflow: hidden;
}

/* —— Main —— */
main {
  overflow-x: hidden;
}

.section {
  padding: var(--space-xl) var(--space-md);
  max-width: var(--max-content);
  margin: 0 auto;
}

.section--full {
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}

.section__inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section__label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(30, 41, 59, 0.55);
  margin: 0 0 var(--space-sm);
}

.section__title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  margin: 0 0 var(--space-md);
  line-height: 1.25;
}

.section__lead {
  max-width: 38rem;
  margin: 0 0 var(--space-md);
  color: rgba(30, 41, 59, 0.78);
  font-size: 0.95rem;
}

/* Scan-in animation */
.section--reveal {
  opacity: 0;
  transform: translateX(-1.5rem);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.section--reveal.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: min(85vh, 40rem);
  width: 100%;
  display: grid;
  align-items: end;
  padding: var(--space-xl) 0 var(--space-lg);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: var(--color-secondary);
  background-image: url("../pictures/freepik_sleep-improvement-clinics_0013.webp");
  background-size: cover;
  background-position: center;
}

.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(248, 250, 252, 0.88) 0%,
    rgba(248, 250, 252, 0.75) 35%,
    rgba(30, 41, 59, 0.55) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--space-md);
  width: 100%;
}

.hero__title {
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 200;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin: 0 0 var(--space-sm);
  max-width: 20ch;
}

.hero__text {
  max-width: 32rem;
  margin: 0 0 var(--space-md);
  color: rgba(30, 41, 59, 0.85);
  font-size: 0.95rem;
}

/* —— Grids —— */
.grid-2 {
  display: grid;
  gap: var(--space-md);
  align-items: center;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
}

.grid-cards {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

@media (min-width: 600px) {
  .grid-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .grid-cards--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.media-card {
  border-radius: 2px;
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-float);
  transition: box-shadow 0.25s ease;
}

.media-card:hover {
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.25), 0 16px 48px -16px rgba(30, 41, 59, 0.22);
}

.media-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.media-card__photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 12rem;
}

.bg-photo--0013 {
  background-image: url("../pictures/freepik_sleep-improvement-clinics_0013.webp");
}

.bg-photo--0014 {
  background-image: url("../pictures/freepik_sleep-improvement-clinics_0014.webp");
}

.bg-photo--0015 {
  background-image: url("../pictures/freepik_sleep-improvement-clinics_0015.webp");
}

.media-card__body {
  padding: var(--space-sm) var(--space-md) var(--space-md);
}

.media-card__body p {
  margin: 0;
  font-size: 0.88rem;
  color: rgba(30, 41, 59, 0.75);
}

.figure-caption {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(30, 41, 59, 0.55);
  margin-top: var(--space-xs);
}

/* Phase bars (CSS only) */
.phase-grid {
  display: grid;
  gap: var(--space-sm);
}

.phase-row {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: var(--space-sm);
  align-items: center;
  font-size: 0.8rem;
}

.phase-bar {
  height: 0.35rem;
  background: rgba(30, 41, 59, 0.08);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.phase-bar__fill {
  display: block;
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-accent), rgba(56, 189, 248, 0.35));
  transition: filter 0.25s ease, box-shadow 0.25s ease;
}

.phase-bar__fill--prep {
  width: 32%;
}

.phase-bar__fill--active {
  width: 58%;
}

.phase-bar__fill--closure {
  width: 22%;
}

.phase-row:hover .phase-bar__fill {
  filter: brightness(1.08);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.35);
}

/* Product / matrix */
.price-card {
  background: var(--color-surface);
  padding: var(--space-md);
  box-shadow: var(--shadow-float);
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: box-shadow 0.25s ease;
}

.price-card:hover {
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.2), 0 14px 44px -14px rgba(30, 41, 59, 0.2);
}

.price-card h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.06em;
}

.price-card p {
  margin: 0;
  flex: 1;
  font-size: 0.88rem;
  color: rgba(30, 41, 59, 0.72);
}

.price-tag {
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--color-secondary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  background: var(--color-surface);
  color: var(--color-secondary);
  cursor: pointer;
  background-clip: padding-box;
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.4);
  transition: box-shadow 0.35s ease, color 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.65), 0 0 20px rgba(56, 189, 248, 0.15);
}

.btn--ghost {
  background: transparent;
}

/* Contact */
.contact-grid {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1.1fr;
    align-items: start;
  }
}

.contact-block {
  font-size: 0.9rem;
}

.contact-block dl {
  margin: 0;
}

.contact-block dt {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(30, 41, 59, 0.5);
  margin-top: var(--space-sm);
}

.contact-block dt:first-child {
  margin-top: 0;
}

.contact-block dd {
  margin: 0.25rem 0 0;
}

.form-group {
  margin-bottom: var(--space-sm);
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
  color: rgba(30, 41, 59, 0.65);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid rgba(30, 41, 59, 0.12);
  border-radius: 2px;
  font-family: inherit;
  font-size: 0.9rem;
  background: var(--color-surface);
}

.form-group textarea {
  min-height: 8rem;
  resize: vertical;
}

.checkbox-row {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  font-size: 0.82rem;
  color: rgba(30, 41, 59, 0.78);
  margin: var(--space-md) 0;
}

.checkbox-row input {
  margin-top: 0.25rem;
}

.map-note {
  font-size: 0.82rem;
  color: rgba(30, 41, 59, 0.65);
  margin-top: var(--space-sm);
}

.map-note a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(30, 41, 59, 0.08);
  padding: var(--space-lg) var(--space-md);
  margin-top: var(--space-xl);
  background: rgba(255, 255, 255, 0.6);
}

.footer-inner {
  max-width: var(--max-content);
  margin: 0 auto;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  list-style: none;
  margin: 0 0 var(--space-md);
  padding: 0;
}

.footer-nav a {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-meta {
  font-size: 0.78rem;
  color: rgba(30, 41, 59, 0.6);
  line-height: 1.7;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md);
  background: rgba(30, 41, 59, 0.96);
  color: var(--color-primary);
  transform: translateY(100%);
  transition: transform 0.35s ease;
}

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

.cookie-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
  justify-content: space-between;
}

.cookie-banner p {
  margin: 0;
  font-size: 0.82rem;
  max-width: 42rem;
  flex: 1 1 16rem;
}

.cookie-actions {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.cookie-actions .btn {
  box-shadow: 0 0 0 1px rgba(226, 232, 240, 0.35);
  color: var(--color-primary);
}

.cookie-actions .btn:hover {
  box-shadow: 0 0 0 1px var(--color-accent);
}

/* Legal / thank-you pages */
.page-hero {
  position: relative;
  min-height: 14rem;
  display: grid;
  align-items: end;
  padding: var(--space-lg) 0;
  margin-bottom: var(--space-lg);
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.page-hero__bg--0013 {
  background-image: url("../pictures/freepik_sleep-improvement-clinics_0013.webp");
}

.page-hero__bg--0014 {
  background-image: url("../pictures/freepik_sleep-improvement-clinics_0014.webp");
}

.page-hero__bg--0015 {
  background-image: url("../pictures/freepik_sleep-improvement-clinics_0015.webp");
}

.page-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(248, 250, 252, 0.9), rgba(248, 250, 252, 0.95));
}

.page-hero .section__inner {
  position: relative;
  z-index: 1;
}

.legal-content {
  max-width: 48rem;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  margin: var(--space-lg) 0 var(--space-sm);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  font-size: 0.9rem;
  color: rgba(30, 41, 59, 0.82);
}

.legal-content ul {
  padding-left: 1.25rem;
}

.date {
  font-size: 0.85rem;
  color: rgba(30, 41, 59, 0.55);
  margin-bottom: var(--space-md);
}

.stack-top {
  margin-top: var(--space-md);
}

.thank-panel {
  text-align: center;
  max-width: 32rem;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.thank-panel h1 {
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.thank-visual {
  max-width: 16rem;
  margin: var(--space-lg) auto;
  box-shadow: var(--shadow-float);
  border-radius: 2px;
  overflow: hidden;
}

.thank-visual .media-card__photo {
  margin: 0;
}

.analytics-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
}

.stat-cell {
  padding: var(--space-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-float);
  text-align: center;
}

.stat-cell strong {
  display: block;
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.stat-cell span {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(30, 41, 59, 0.5);
}