/* Straight Talk Orthodontics – tokens per _brief.md */

:root {
  --surface: #ffffff;
  --surface-alt: #f4f4f2;
  --dark: #0a0a0a;
  --ink: #111111;
  --muted: #5c5c5c;
  --muted-dark: #cacaca;
  --accent: #c3000e;
  --accent-lift: #ff5a63;
  --hair: #dedede;
  --hair-dark: #2a2a2a;

  --display: "Bodoni Moda", "Didot", "Bodoni MT", Georgia, "Times New Roman", serif;
  --body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --pad-x: clamp(1.25rem, 5vw, 6rem);
  --stack: clamp(3.5rem, 8vw, 7.5rem);
  --measure: 64ch;
}

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

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

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--body);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.08; margin: 0; }

p { margin: 0 0 1rem; }

a { color: inherit; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 50;
  background: var(--accent); color: #fff; padding: 0.75rem 1.25rem; font-size: 0.9375rem;
}
.skip:focus { left: 0; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}
.masthead :focus-visible,
.hero :focus-visible,
.orthodontist :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--accent-lift);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.25rem;
}

/* ---------- the wire: the logo's bracket motif, used as a divider ---------- */

.wire {
  position: relative;
  height: 1px;
  background: var(--hair-dark);
  margin: clamp(2.5rem, 6vw, 4rem) 0 clamp(1.75rem, 4vw, 2.5rem);
  max-width: 30rem;
}
.wire span {
  position: absolute;
  top: 50%;
  width: 14px;
  height: 14px;
  margin-top: -7px;
  background: var(--dark);
  border: 1px solid var(--muted-dark);
}
.wire span:first-child { left: 8%; border-color: var(--accent); }
.wire span:last-child { left: 22%; }

.wire-sm { max-width: 8rem; margin: 0 0 1.75rem; background: var(--hair); }
.wire-sm span { background: var(--surface-alt); border-color: var(--accent); }
.wire-sm span:first-child { left: 6px; }
.wire-sm span:last-child { left: 34px; border-color: var(--hair); }

/* ---------- masthead ---------- */

.masthead {
  display: flex;
  align-items: center;
  gap: 0.75rem clamp(1rem, 3vw, 2.5rem);
  flex-wrap: wrap;
  background: var(--dark);
  padding: 0.75rem var(--pad-x);
  border-bottom: 1px solid var(--hair-dark);
}

.brand { display: block; flex: 0 0 auto; }
.brand img { width: clamp(150px, 20vw, 208px); height: auto; }

.masthead-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0 clamp(0.9rem, 4vw, 1.75rem);
  order: 3;
  flex-basis: 100%;
  font-size: 0.9375rem;
}
.masthead-nav a {
  color: var(--muted-dark);
  text-decoration: none;
  padding: 0.75rem 0;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  transition: color 160ms ease;
}
.masthead-nav a:hover { color: #fff; }

.masthead-call {
  order: 2;
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.875rem;
  color: #fff;
  text-decoration: none;
  border: 1px solid var(--hair-dark);
  padding: 0.7rem 1rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: border-color 160ms ease, background-color 160ms ease;
}
.masthead-call:hover { border-color: var(--accent); background: rgba(195, 0, 14, 0.16); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.5rem;
  border-radius: 2px;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 170ms ease, color 170ms ease, border-color 170ms ease, transform 170ms ease;
}
.btn:active { transform: translateY(1px); }

.btn-solid { background: var(--accent); color: #fff; border: 1px solid var(--accent); }
.btn-solid:hover { background: #9d000b; border-color: #9d000b; }

.btn-line { border: 1px solid currentColor; color: inherit; }
.hero .btn-line { color: var(--muted-dark); }
.hero .btn-line:hover { color: #fff; border-color: #fff; }
.visit .btn-line:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- hero ---------- */

.hero {
  background: var(--dark);
  color: #fff;
  padding: clamp(3.5rem, 9vw, 7.5rem) var(--pad-x) clamp(3rem, 6vw, 5rem);
}
.hero .eyebrow { color: var(--muted-dark); }

.hero h1 {
  font-size: clamp(2.375rem, 1.3rem + 5.4vw, 5.25rem);
  letter-spacing: -0.015em;
  max-width: 16ch;
  margin-bottom: 1.75rem;
}
.hero h1 .dot { color: var(--accent-lift); }

.lede {
  color: var(--muted-dark);
  font-size: clamp(1.0625rem, 1rem + 0.35vw, 1.25rem);
  max-width: var(--measure);
  margin-bottom: 2.25rem;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.875rem; }

.proof {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem clamp(1.5rem, 4vw, 3.5rem);
  font-size: 0.9375rem;
  color: var(--muted-dark);
}
.proof strong { color: #fff; font-weight: 600; }
.proof .stars { color: var(--accent-lift); }

/* ---------- generic section head ---------- */

.section-head { max-width: var(--measure); margin-bottom: clamp(2.25rem, 5vw, 3.5rem); }
.section-head h2 {
  font-size: clamp(1.875rem, 1.3rem + 2.4vw, 3rem);
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}
.section-note { color: var(--muted); max-width: 56ch; margin: 0; }

/* ---------- answers (signature section) ---------- */

.answers { padding: var(--stack) var(--pad-x); }

.qa { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--hair); }
.qa > li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0 1.25rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--hair);
}
.qa .num {
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--accent);
  margin: 0.35rem 0 0;
  letter-spacing: 0.06em;
}
.qa h3 {
  font-family: var(--body);
  font-size: 1.1875rem;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 0.5rem;
}
.qa p:last-child { margin: 0; color: var(--muted); max-width: 68ch; }

/* ---------- treatments ---------- */

.treatments { background: var(--surface-alt); padding: var(--stack) var(--pad-x); }

.treat-grid { display: grid; gap: 1px; background: var(--hair); border: 1px solid var(--hair); }
.treat { background: var(--surface-alt); padding: clamp(1.5rem, 3vw, 2.25rem); }
.treat h3 {
  font-size: clamp(1.375rem, 1.1rem + 0.9vw, 1.75rem);
  margin-bottom: 0.75rem;
}
.treat p { margin: 0; color: var(--muted); max-width: 58ch; }

.treat-lead { background: var(--dark); color: #fff; }
.treat-lead p { color: var(--muted-dark); }

/* ---------- orthodontist ---------- */

.orthodontist {
  background: var(--dark);
  color: #fff;
  padding: var(--stack) var(--pad-x);
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
}
.orthodontist .eyebrow { color: var(--muted-dark); }
.orthodontist h2 {
  font-size: clamp(2rem, 1.4rem + 2.6vw, 3.25rem);
  margin-bottom: 1.25rem;
}
.ortho-intro p { color: var(--muted-dark); max-width: var(--measure); }

.ortho-portrait { margin: 0; }
.ortho-portrait img {
  width: 168px;
  height: 168px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--hair-dark);
}

.ledger { margin: 0; font-size: 0.9375rem; }
.ledger > div {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 1.25rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--hair-dark);
}
.ledger > div:last-child { border-bottom: 1px solid var(--hair-dark); }
.ledger dt {
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--accent-lift);
  letter-spacing: 0.04em;
  padding-top: 0.15rem;
}
.ledger dd { margin: 0; color: var(--muted-dark); }

/* ---------- first appointment: steps on a wire spine ---------- */

.first { padding: var(--stack) var(--pad-x); }

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  position: relative;
}
.steps > li {
  position: relative;
  padding: 0 0 2.25rem 2.75rem;
  border-left: 1px solid var(--hair);
}
@media (max-width: 47.9375rem) {
  .steps > li:last-child { padding-bottom: 0; border-left-color: transparent; }
}
.steps > li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 0.4rem;
  width: 13px;
  height: 13px;
  background: var(--surface);
  border: 1px solid var(--accent);
}
.steps .num {
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 0.35rem;
}
.steps h3 { font-family: var(--body); font-size: 1.25rem; font-weight: 600; margin-bottom: 0.5rem; }
.steps p:last-child { margin: 0; color: var(--muted); max-width: 62ch; }

/* ---------- visit ---------- */

.visit { background: var(--surface-alt); padding: var(--stack) var(--pad-x); }
.visit-inner { display: grid; gap: clamp(2rem, 5vw, 4rem); }
.visit h2 {
  font-size: clamp(1.75rem, 1.2rem + 2.4vw, 2.75rem);
  margin-bottom: 1.5rem;
  max-width: 14ch;
}
.visit-addr { font-size: 1.125rem; line-height: 1.55; }
.visit-note { color: var(--muted); max-width: 46ch; }
.visit-actions { display: flex; flex-wrap: wrap; gap: 0.875rem; margin-top: 1.75rem; }

.visit-side { border-top: 1px solid var(--hair); padding-top: 2rem; }
.visit-side p { color: var(--muted); max-width: 40ch; }
.visit-side strong { color: var(--ink); font-weight: 600; }
.rating { font-family: var(--mono); font-size: 0.875rem; line-height: 1.9; }
.rating .stars { color: var(--accent); letter-spacing: 0.2em; font-size: 1rem; }

/* ---------- footer ---------- */

.site-footer {
  background: var(--dark);
  color: var(--muted-dark);
  padding: clamp(3rem, 6vw, 4.5rem) var(--pad-x) 2.5rem;
  font-size: 0.9375rem;
}
.foot-grid { display: grid; gap: 2.5rem; }
.foot-logo { width: 178px; margin-bottom: 1.25rem; }
.foot-legal { max-width: 46ch; color: #a8a8a8; font-size: 0.875rem; }
.foot-h {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 0.75rem;
}
.site-footer a {
  color: var(--muted-dark);
  text-decoration-color: var(--hair-dark);
  transition: color 160ms ease;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.site-footer a:hover { color: #fff; }
.foot-links { list-style: none; margin: 0; padding: 0; }
.site-footer .foot-grid p:has(a) { margin-bottom: 0; }
.foot-note {
  margin: clamp(2.5rem, 5vw, 3.5rem) 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--hair-dark);
  font-size: 0.8125rem;
  color: #a8a8a8;
  max-width: 70ch;
}

/* ---------- breakpoints ---------- */

@media (min-width: 48rem) {
  .masthead {
    position: sticky;
    top: 0;
    z-index: 20;
    flex-wrap: nowrap;
  }
  .masthead-nav { order: 0; flex-basis: auto; margin-left: auto; }
  .masthead-call { order: 0; margin-left: 0; }

  .qa > li { grid-template-columns: 5rem 1fr; padding: 2rem 0; }
  .treat-grid { grid-template-columns: 1fr 1fr; }
  .treat-lead { grid-column: 1 / -1; }
  .treat:last-child { grid-column: 1 / -1; }   /* no orphan cell in the 2-up range */
  .steps { grid-template-columns: 1fr 1fr; gap: 0 2.5rem; }
  .steps > li { padding-bottom: 2.75rem; }
  .visit-inner { grid-template-columns: 1.35fr 1fr; }
  .visit-side { border-top: 0; border-left: 1px solid var(--hair); padding: 0.25rem 0 0 clamp(2rem, 4vw, 3rem); }
  .foot-grid { grid-template-columns: 2fr 1fr 1fr; gap: 3rem; }
}

@media (min-width: 64rem) {
  .qa > li { grid-template-columns: 6rem 1fr; }
  .qa h3 { font-size: 1.25rem; }
  .treat-grid { grid-template-columns: repeat(3, 1fr); }
  .treat:last-child { grid-column: auto; }
  .treat-lead { grid-column: 1 / -1; padding: clamp(2rem, 4vw, 3.25rem); }
  .treat-lead p { max-width: 62ch; font-size: 1.0625rem; }
  .orthodontist {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas: "portrait ledger" "intro ledger";
    align-items: start;
    column-gap: clamp(3rem, 6vw, 6rem);
  }
  .ortho-intro { grid-area: intro; }
  .ortho-portrait { grid-area: portrait; }
  .ledger { grid-area: ledger; }
  .steps { grid-template-columns: repeat(4, 1fr); gap: 0 1.75rem; }
  .hero .lede { font-size: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}