/* VTaper Max website. Design system: design-system/vtaper-max/MASTER.md, option A "Original Frame".
   Motion tokens (--duration-*, --ease-*) come from transitions.css, which loads first. */

:root {
  /* Colour (option A) */
  --color-primary: #ff5b1f;
  --color-on-primary: #0e0f11;
  --color-primary-tint: #ff8a5c;
  --color-secondary: #6fa8ff;
  --color-on-secondary: #0e0f11;
  --color-background: #0e0f11;
  --color-foreground: #f2f1ec;
  --color-card: #17191c;
  --color-card-foreground: #f2f1ec;
  --color-muted: #22252a;
  --color-muted-foreground: #a3a6aa;
  --color-border: #2a2d31;
  --color-ring: #ff5b1f;
  --color-neutral: #f2f1ec;
  --color-on-neutral: #0e0f11;

  /* Type */
  --font-display: "Big Shoulders Display", "Arial Narrow", "Helvetica Neue", sans-serif;
  --font-body: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  --page-width: 72rem;
  --gutter: 1rem;

  color-scheme: dark;
}

@media (min-width: 768px) {
  :root {
    --gutter: 2rem;
  }
}

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

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

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-foreground);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin: 0;
  text-wrap: balance;
}

p {
  margin: 0;
  text-wrap: pretty;
}

a {
  color: var(--color-primary);
  text-underline-offset: 0.18em;
  text-decoration-thickness: 0.08em;
  cursor: pointer;
}

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

:focus-visible {
  outline: 3px solid var(--color-ring);
  outline-offset: 3px;
  border-radius: 4px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  z-index: 10;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.skip-link:focus {
  top: var(--space-sm);
  color: var(--color-on-primary);
}

.wrap {
  width: 100%;
  max-width: var(--page-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

.site-header {
  border-bottom: 1px solid var(--color-border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 4rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-foreground);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
}

.wordmark:hover {
  color: var(--color-foreground);
}

/* The flat brand mark (design/logo/mark-flat.svg), 740 x 703. */
.wordmark svg {
  flex: none;
  width: 2.125rem;
  height: 2rem;
}

@media (max-width: 359px) {
  .wordmark svg {
    width: 1.75rem;
    height: 1.65rem;
  }
}

.wordmark span {
  color: var(--color-primary);
}

/* ---------- Buttons and the "coming soon" store notice ---------- */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform var(--duration-quick) var(--ease-smooth-out),
    opacity var(--duration-quick) var(--ease-smooth-out);
}

.button:hover {
  color: var(--color-on-primary);
  opacity: 0.9;
  transform: translateY(-1px);
}

/* Plain text, not a link: the app isn't on the App Store yet. */
.store-soon {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  min-width: 11rem;
  min-height: 3.5rem;
  padding: 0.5rem 1.25rem;
  border: 2px dashed var(--color-muted-foreground);
  border-radius: var(--radius-md);
  color: var(--color-foreground);
  line-height: 1.15;
}

.store-soon-small {
  font-size: 0.8125rem;
  color: var(--color-muted-foreground);
}

.store-soon-big {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
}

.fine-print {
  color: var(--color-muted-foreground);
  font-size: 0.9375rem;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding-block: var(--space-2xl) var(--space-3xl);
  isolation: isolate;
}

/* A geometric V behind the hero (decoration only). */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(255, 91, 31, 0.16), rgba(255, 91, 31, 0) 70%);
  clip-path: polygon(0 0, 100% 0, 58% 100%, 42% 100%);
  pointer-events: none;
}

.hero .wrap {
  display: grid;
  gap: var(--space-2xl);
  align-items: center;
}

.eyebrow {
  margin-bottom: var(--space-md);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(3.5rem, 15vw, 7rem);
}

.hero-sub {
  margin-top: var(--space-lg);
  max-width: 34rem;
  font-size: 1.1875rem;
  color: var(--color-foreground);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.hero .fine-print {
  margin-top: var(--space-md);
}

@media (min-width: 1024px) {
  .hero {
    padding-block: var(--space-3xl) calc(var(--space-3xl) * 1.5);
  }

  .hero .wrap {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

/* ---------- Sample scan card ---------- */

.sample-scan {
  margin: 0;
  padding: var(--space-lg);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.sample-label {
  display: inline-block;
  padding: 0.125rem 0.625rem;
  border-radius: 999px;
  background: var(--color-muted);
  color: var(--color-muted-foreground);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sample-score {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  margin-block: var(--space-md) var(--space-lg);
}

.sample-score-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 4.5rem;
  line-height: 1;
  color: var(--color-primary);
}

.sample-score-unit {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  text-transform: uppercase;
}

.zone-bars {
  display: grid;
  gap: 0.625rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.zone-bars li {
  display: grid;
  grid-template-columns: 5.5rem 1fr 2rem;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9375rem;
}

.zone-bars .value {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.bar {
  height: 0.5rem;
  border-radius: 999px;
  background: var(--color-muted);
  overflow: hidden;
}

.bar-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--color-primary);
}

/* Sample values (CSP blocks inline style attributes, so each width is a rule). */
.zone-shoulders .bar-fill { width: 51%; }
.zone-lats .bar-fill { width: 53%; }
.zone-traps .bar-fill { width: 50%; }
.zone-neck .bar-fill { width: 53%; }
.zone-waist .bar-fill { width: 47%; background: var(--color-secondary); }
.zone-posture .bar-fill { width: 85%; }

.weakest-tag {
  display: inline-block;
  margin-left: 0.375rem;
  padding: 0 0.375rem;
  border-radius: 4px;
  background: var(--color-primary-tint);
  color: var(--color-on-primary);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  vertical-align: 0.1em;
}

.zone-name {
  white-space: nowrap;
}

.sample-note {
  margin-top: var(--space-lg);
  color: var(--color-muted-foreground);
  font-size: 0.875rem;
}

/* ---------- Sections ---------- */

.section {
  padding-block: var(--space-3xl);
  border-top: 1px solid var(--color-border);
}

.section-head {
  max-width: 44rem;
  margin-bottom: var(--space-2xl);
}

.section-head h2 {
  font-size: clamp(2.5rem, 9vw, 4.5rem);
}

.section-head p {
  margin-top: var(--space-md);
  color: var(--color-muted-foreground);
  font-size: 1.125rem;
}

[id] {
  scroll-margin-top: var(--space-xl);
}

/* How it works */
.steps {
  display: grid;
  gap: var(--space-lg);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.step {
  position: relative;
  padding: var(--space-lg);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  counter-increment: step;
}

.step::before {
  content: "0" counter(step);
  display: block;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.5rem;
  line-height: 1;
}

.step h3 {
  font-size: 2rem;
}

.step p {
  margin-top: var(--space-sm);
  color: var(--color-muted-foreground);
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Honest section: a light neutral block */
.honest {
  background: var(--color-neutral);
  color: var(--color-on-neutral);
  border-top: 0;
}

.honest .section-head p {
  color: #3d4046;
}

.facts {
  display: grid;
  gap: var(--space-lg);
}

.fact {
  padding: var(--space-lg);
  border: 2px solid var(--color-on-neutral);
  border-radius: var(--radius-lg);
}

.fact h3 {
  font-size: 1.75rem;
}

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

.fact-waist h3 {
  color: #1f5fc4;
}

@media (min-width: 768px) {
  .facts {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Privacy */
.privacy-list {
  display: grid;
  gap: var(--space-md);
  margin: 0;
  padding: 0;
  list-style: none;
}

.privacy-list li {
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: var(--space-md);
  align-items: start;
}

.privacy-list svg {
  width: 1.5rem;
  height: 1.5rem;
  margin-top: 0.15rem;
  color: var(--color-primary);
}

.privacy-more {
  margin-top: var(--space-xl);
}

@media (min-width: 768px) {
  .privacy-list {
    grid-template-columns: repeat(2, 1fr);
    column-gap: var(--space-2xl);
  }
}

/* FAQ (accordion: transitions.dev 21) */
.faq-list {
  max-width: 48rem;
  border-top: 1px solid var(--color-border);
}

.t-acc {
  border-bottom: 1px solid var(--color-border);
}

.t-acc h3 {
  font-size: inherit;
  line-height: inherit;
  text-transform: none;
  letter-spacing: normal;
}

.t-acc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  width: 100%;
  min-height: 3.5rem;
  padding: var(--space-md) 0;
  border: 0;
  background: none;
  color: var(--color-foreground);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  text-align: left;
  text-transform: uppercase;
  cursor: pointer;
}

.t-acc-head:hover {
  color: var(--color-primary-tint);
}

.t-acc-chevron svg {
  width: 1.25rem;
  height: 1.25rem;
}

.t-acc-chevron path {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Padding lives on the inner element (never on the grid track; see the accordion snippet notes). */
.t-acc-panel-inner p {
  padding-bottom: var(--space-lg);
  color: var(--color-muted-foreground);
  max-width: 42rem;
}

/* Closing CTA */
.cta-band {
  text-align: center;
}

.cta-band .wrap {
  display: grid;
  justify-items: center;
  gap: var(--space-lg);
}

.cta-band h2 {
  font-size: clamp(2.5rem, 9vw, 4.5rem);
}

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

.site-footer {
  padding-block: var(--space-2xl);
  border-top: 1px solid var(--color-border);
  color: var(--color-muted-foreground);
  font-size: 0.9375rem;
}

.site-footer .wrap {
  display: grid;
  gap: var(--space-lg);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--color-foreground);
}

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

@media (min-width: 768px) {
  .site-footer .wrap {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

/* ---------- Legal and support pages ---------- */

.draft-banner {
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-weight: 700;
  text-align: center;
  padding: var(--space-sm) var(--gutter);
  letter-spacing: 0.02em;
}

.doc {
  max-width: 46rem;
  padding-block: var(--space-2xl) var(--space-3xl);
}

.doc h1 {
  font-size: clamp(2.75rem, 11vw, 4.5rem);
}

.doc .updated {
  margin-top: var(--space-md);
  color: var(--color-muted-foreground);
}

.doc h2 {
  margin-top: var(--space-2xl);
  font-size: 2rem;
}

.doc h3 {
  margin-top: var(--space-lg);
  font-size: 1.375rem;
}

.doc p,
.doc ul,
.doc ol {
  margin-top: var(--space-md);
}

.doc li + li {
  margin-top: var(--space-xs);
}

.summary {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.summary h2 {
  margin-top: 0;
  font-size: 1.5rem;
}

.todo {
  color: var(--color-primary-tint);
  font-weight: 600;
}

/* ---------- Motion safety ---------- */

@media (prefers-reduced-motion: reduce) {
  .button {
    transition: none;
  }

  .button:hover {
    transform: none;
  }
}