/* FlavorKey website — single hand-authored stylesheet, no CSS framework, no script.
   Tokens are the approved "direction 02" values (docs/12_WEBSITE_SPEC.md §3,
   docs/13_CURRENT_PRODUCT_DIRECTION.md, docs/16_WEBSITE_REFERENCE_LOCK.md §2). Home page
   composition follows the owner-selected direction 1 "App im Mittelpunkt" (docs/16 §10). */

:root {
  --color-bg: #ffffff;
  --color-ink: #171d2b;
  --color-muted: #586578;
  --color-panel: #f1f5f8;
  --color-border: #e1e7ee;
  --color-primary: #0061e8;
  --color-primary-ink: #ffffff;

  /* Used only inside concept panels to echo the approved app dark mode; never site chrome. */
  --color-app-dark-bg: #171c25;
  --color-app-dark-ink: #f4f7fb;

  --font-sans:
    ui-rounded, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial,
    sans-serif;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;

  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;

  --content-max-width: 72rem;
  --text-max-width: 38rem;

  color-scheme: light;
}

/* ---------- Reset & base ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
  overflow-wrap: break-word;
}

h1,
h2,
h3 {
  line-height: 1.15;
  font-weight: 700;
  overflow-wrap: break-word;
}

h1 {
  font-size: clamp(2.25rem, 1.6rem + 3vw, 4rem);
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-2);
}

h2 {
  font-size: clamp(1.65rem, 1.25rem + 1.6vw, 2.6rem);
  letter-spacing: -0.015em;
  margin: 0 0 var(--space-2);
}

h3 {
  font-size: 1.15rem;
  margin: 0 0 var(--space-1);
}

p {
  margin: 0 0 var(--space-2);
  max-width: var(--text-max-width);
}

ul,
ol {
  padding-inline-start: 1.25rem;
}

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

a:not(.button) {
  text-decoration-thickness: from-font;
}

img,
svg {
  max-width: 100%;
  display: block;
}

/* ---------- Accessibility ---------- */

.skip-link {
  position: absolute;
  inset-inline-start: var(--space-1);
  top: -3rem;
  background: var(--color-ink);
  color: #fff;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  z-index: 100;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: var(--space-1);
}

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Layout primitives ---------- */

.site-header-inner,
.site-footer-inner,
section {
  max-width: var(--content-max-width);
  margin-inline: auto;
  padding-inline: var(--space-2);
}

@media (min-width: 700px) {
  .site-header-inner,
  .site-footer-inner,
  section {
    padding-inline: var(--space-3);
  }
}

section {
  padding-block: var(--space-5);
}

@media (min-width: 1024px) {
  section {
    padding-block: var(--space-6);
  }
}

.eyebrow {
  color: var(--color-primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.85rem;
  margin: 0 0 var(--space-1);
}

.section-intro {
  color: var(--color-muted);
  font-size: 1.1rem;
  max-width: 42rem;
}

/* ---------- Buttons & status ---------- */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: auto;
  min-block-size: 3rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
}

.button-primary {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #004fc2;
}

.button-secondary {
  background: var(--color-bg);
  color: var(--color-ink);
  border-color: var(--color-ink);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: var(--color-panel);
}

.button-arrow svg {
  inline-size: 1.15em;
  block-size: 1.15em;
}

/* Points the same way as reading direction. */
:dir(rtl) .button-arrow svg {
  transform: scaleX(-1);
}

.status-line {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.status-dot {
  flex: none;
  inline-size: 0.55rem;
  block-size: 0.55rem;
  border-radius: 999px;
  background: var(--color-primary);
}

.visually-hidden {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- Header ---------- */

.site-header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-block: var(--space-2);
}

.wordmark {
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0 var(--space-3);
}

/* At least 44px tall so the nav is comfortable to tap on a phone. */
.site-nav a {
  display: inline-flex;
  align-items: center;
  min-block-size: 2.75rem;
  color: var(--color-ink);
  text-decoration: none;
  font-weight: 600;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-primary);
}

/* ---------- Hero: headline left, one dominant phone right (direction 1) ---------- */

.hero {
  display: grid;
  gap: var(--space-4);
  align-items: center;
  padding-block: var(--space-3) var(--space-4);
}

@media (min-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: var(--space-5);
    padding-block: var(--space-4) var(--space-5);
  }
}

.hero h1 {
  font-size: clamp(2.6rem, 1.4rem + 5.6vw, 6rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  text-wrap: balance;
  hyphens: auto;
  margin: var(--space-2) 0 var(--space-3);
}

.hero-supporting {
  color: var(--color-muted);
  font-size: clamp(1.1rem, 1rem + 0.4vw, 1.3rem);
  max-inline-size: 34rem;
  margin-block-end: var(--space-4);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.hero-visual {
  position: relative;
  isolation: isolate;
  display: grid;
  justify-items: center;
  margin: 0;
  min-inline-size: 0;
}

/* A quiet panel-gray plate behind the device for depth; no glow, gradient or blob. */
.hero-visual::before {
  content: '';
  position: absolute;
  inset: 12% 0 18% 14%;
  z-index: -1;
  border-radius: 2.5rem;
  background: var(--color-panel);
}

.concept-caption {
  margin: var(--space-3) 0 0;
  max-inline-size: 22rem;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.85rem;
}

.concept-caption strong,
.concept-label {
  color: var(--color-ink);
  font-weight: 700;
}

/* ---------- Concept device (code-native, real text, no image) ---------- */

.device {
  inline-size: min(100%, 20rem);
  padding: 0.65rem;
  border-radius: 3rem;
  background: var(--color-ink);
  box-shadow:
    0 2.5rem 3rem -1.5rem rgb(23 29 43 / 0.35),
    0 1rem 1.5rem -0.5rem rgb(23 29 43 / 0.18),
    0 0.25rem 0.5rem rgb(23 29 43 / 0.12);
  overflow-wrap: anywhere;
}

/* Subtle depth on wide screens only; the phone stays upright and readable. */
@media (min-width: 900px) {
  .device {
    inline-size: min(100%, 21.5rem);
    transform: perspective(2000px) rotateY(-9deg) rotateZ(1.5deg);
  }
}

.device-screen {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 0.75rem 1.1rem 1.25rem;
  border-radius: 2.4rem;
  background: var(--color-bg);
  font-size: 0.95rem;
  line-height: 1.4;
}

.device-screen p {
  margin: 0;
}

.device-island {
  inline-size: 5.5rem;
  block-size: 1.5rem;
  margin-inline: auto;
  border-radius: 999px;
  background: var(--color-ink);
}

.device-app-title {
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-muted);
  font-size: 0.8rem;
  font-weight: 700;
  text-align: center;
}

.device-dish {
  padding-block-end: 1rem;
  border-block-end: 1px solid var(--color-border);
}

.device-dish-name {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.device-screen .device-dish-name {
  margin-block-end: 0.3rem;
}

.device-dish-translation {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 0.75rem;
  color: var(--color-muted);
}

.device-lang {
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
}

.device-line {
  display: grid;
  grid-template-columns: 1.4rem minmax(0, 1fr);
  gap: 0.6rem;
  align-items: start;
}

.device-icon {
  color: var(--color-muted);
  padding-block-start: 0.1rem;
}

.device-icon svg {
  inline-size: 1.25rem;
  block-size: 1.25rem;
}

.device-label,
.device-value,
.device-result-title,
.device-result-reason {
  display: block;
}

.device-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-muted);
}

.device-value {
  font-weight: 600;
}

.device-result {
  display: grid;
  grid-template-columns: 1.75rem minmax(0, 1fr);
  gap: 0.7rem;
  align-items: start;
  padding: 0.9rem;
  border-radius: var(--radius-lg);
  background: #eef5ff;
}

.device-result-icon {
  display: grid;
  place-items: center;
  inline-size: 1.75rem;
  block-size: 1.75rem;
  border-radius: 999px;
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

.device-result-icon svg {
  inline-size: 1.05rem;
  block-size: 1.05rem;
}

.device-result-title {
  color: var(--color-primary);
  font-weight: 800;
}

.device-result-reason {
  font-size: 0.9rem;
}

/* ---------- Demo stage: one selectable product demonstration ---------- */

.demo {
  padding-block: var(--space-2) var(--space-5);
}

.demo-stage {
  border: 1px solid var(--color-border);
  border-radius: 1.5rem;
  padding: var(--space-3) var(--space-2);
  box-shadow:
    0 1px 2px rgb(23 29 43 / 0.04),
    0 0.75rem 1.5rem -0.75rem rgb(23 29 43 / 0.08);
}

@media (min-width: 700px) {
  .demo-stage {
    padding: var(--space-4);
  }
}

.demo-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0 var(--space-4);
  border-block-end: 1px solid var(--color-border);
}

.demo-head {
  min-inline-size: 0;
}

.concept-label {
  margin: 0 0 var(--space-1);
  font-size: 0.85rem;
}

.demo-head h2 {
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.25rem);
  letter-spacing: -0.025em;
  margin: 0 0 0.35rem;
}

.demo-intro {
  color: var(--color-muted);
  margin: 0 0 var(--space-2);
}

/* Hidden unless :has() can switch the stages (see @supports below): no dead controls. */
.demo-tabs {
  display: none;
  border: 0;
  margin: 0;
  padding: 0;
  min-inline-size: 0;
}

.demo-tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-block-size: 3rem;
  padding: 0.5rem 0.25rem;
  margin-block-end: -1px;
  border-block-end: 3px solid transparent;
  color: var(--color-muted);
  font-weight: 700;
  cursor: pointer;
}

/* The real radio covers its whole label: taps, clicks, arrow keys and screen readers all reach
   native form behavior. Invisible, never removed from the accessibility tree. */
.demo-tab-input {
  position: absolute;
  inset: 0;
  inline-size: 100%;
  block-size: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.demo-tab-icon svg {
  inline-size: 1.3rem;
  block-size: 1.3rem;
}

.demo-tab:hover {
  color: var(--color-ink);
}

.demo-panel {
  display: grid;
  gap: var(--space-3);
  align-items: start;
  padding-block-start: var(--space-3);
}

/* Fallback (no :has()): all three stages stay readable, one after another. */
.demo-panel + .demo-panel {
  margin-block-start: var(--space-3);
  border-block-start: 1px solid var(--color-border);
}

@media (min-width: 900px) {
  .demo-panel {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.6fr);
    gap: var(--space-4);
  }
}

@supports selector(:has(*)) {
  .demo-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0 var(--space-3);
  }

  .demo-tab:has(.demo-tab-input:checked) {
    color: var(--color-primary);
    border-block-end-color: var(--color-primary);
  }

  .demo-tab:has(.demo-tab-input:focus-visible) {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
  }

  .demo-panel {
    display: none;
  }

  .demo-panel + .demo-panel {
    margin-block-start: 0;
    border-block-start: 0;
  }

  .demo-stage:has(.demo-tab-input[value='menu']:checked) .demo-panel[data-stage='menu'],
  .demo-stage:has(.demo-tab-input[value='taste']:checked) .demo-panel[data-stage='taste'],
  .demo-stage:has(.demo-tab-input[value='visit']:checked) .demo-panel[data-stage='visit'] {
    display: grid;
  }

  @media (prefers-reduced-motion: no-preference) {
    .demo-panel {
      animation: demo-panel-in 0.24s ease-out;
    }
  }
}

@keyframes demo-panel-in {
  from {
    opacity: 0;
    transform: translateY(0.4rem);
  }
}

.demo-panel-copy {
  min-inline-size: 0;
}

.demo-panel-copy h3 {
  font-size: clamp(1.3rem, 1.1rem + 0.8vw, 1.8rem);
  letter-spacing: -0.02em;
}

.demo-panel-copy p {
  color: var(--color-muted);
  font-size: 1.05rem;
}

.demo-panel-screen {
  min-inline-size: 0;
}

/* ---------- Concept screen inside the stage ---------- */

.screen {
  padding: var(--space-2);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  overflow-wrap: anywhere;
}

.screen-cards {
  display: grid;
  gap: var(--space-2);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
}

.screen-card {
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
}

.screen-card-title {
  margin: 0 0 0.75rem;
  color: var(--color-muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.screen-rows {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.screen-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.2rem 0.5rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.screen-row--highlighted {
  border-color: var(--color-primary);
  background: #eef5ff;
}

.screen-row-name {
  flex: 1 1 auto;
  min-inline-size: 0;
  font-weight: 700;
}

.screen-row-original {
  flex: 1 1 100%;
  color: var(--color-muted);
  font-size: 0.85rem;
  font-style: italic;
}

.screen-row-detail {
  flex: 1 1 100%;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* A quiet label, not a filled blue control: concepts must not show dead-looking buttons. */
.screen-badge {
  padding: 0.1rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font-size: 0.8rem;
  font-weight: 700;
}

.screen-row--highlighted .screen-badge {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.screen-note {
  margin: var(--space-2) 0 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* ---------- Finish: FAQ + availability/support note ---------- */

.finish {
  display: grid;
  gap: var(--space-4);
  align-items: start;
  padding-block: var(--space-3) var(--space-5);
}

@media (min-width: 900px) {
  .finish {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  }
}

.faq {
  min-inline-size: 0;
}

.faq-list {
  margin-top: var(--space-2);
  display: flex;
  flex-direction: column;
  border-block-start: 1px solid var(--color-border);
}

.faq-item {
  border-block-end: 1px solid var(--color-border);
}

.faq-item summary {
  min-block-size: 2.75rem;
  padding-block: var(--space-2);
  font-weight: 700;
  cursor: pointer;
}

.faq-item p {
  margin: 0 0 var(--space-2);
  color: var(--color-muted);
}

.availability-note {
  min-inline-size: 0;
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
}

.availability-note h2 {
  font-size: clamp(1.3rem, 1.15rem + 0.5vw, 1.6rem);
  margin-block-end: var(--space-1);
}

.availability-note p {
  color: var(--color-muted);
}

.availability-support {
  margin: 0;
  font-weight: 600;
}

.availability-support a {
  display: inline-block;
  padding-block: 0.6rem;
}

/* ---------- Draft banner ---------- */

.draft-banner {
  background: var(--color-panel);
  border-block: 1px solid var(--color-border);
  padding-block: var(--space-2);
}

.draft-banner-title {
  font-weight: 700;
  margin-bottom: 0.25rem;
}

/* ---------- Legal pages ---------- */

.legal-page {
  max-width: var(--content-max-width);
  margin-inline: auto;
  padding: var(--space-4) var(--space-2) var(--space-6);
}

@media (min-width: 700px) {
  .legal-page {
    padding-inline: var(--space-3);
  }
}

/* Legal sections are <section>s: undo the homepage section padding, width and centering so
   they align with the page heading and stay compact. */
.legal-section {
  padding: 0;
  margin: var(--space-4) 0 0;
  max-inline-size: 46rem;
}

.legal-section h2 {
  font-size: clamp(1.2rem, 1.1rem + 0.5vw, 1.45rem);
  letter-spacing: 0;
  margin-block-end: var(--space-1);
}

/* Mailbox addresses and URLs have no natural break points; let them wrap at narrow widths. */
.legal-page p,
.legal-links a,
.footer-column a {
  overflow-wrap: anywhere;
}

.legal-updated {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.legal-links {
  margin: var(--space-1) 0 0;
  padding-inline-start: 1.25rem;
}

.legal-back-link {
  margin-top: var(--space-4);
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--color-border);
}

.site-footer-inner {
  padding-block: var(--space-4);
}

.footer-brand {
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: var(--space-3);
}

.footer-columns {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 9rem), 1fr));
}

.footer-column h2 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-muted);
  margin-bottom: var(--space-1);
}

.footer-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.footer-column a {
  display: inline-block;
  padding-block: 0.3rem;
  color: var(--color-ink);
  text-decoration: none;
}

.footer-column a:hover,
.footer-column a:focus-visible {
  color: var(--color-primary);
}

.footer-column p {
  margin: 0 0 0.2rem;
  color: var(--color-muted);
  font-size: 0.9rem;
}