/* Linia Dentară — EVAL-0 demonstrative site. Ivory, muted blue and dark ink; system fonts only. */

:root {
  --ivory: #faf7f0;
  --paper: #fffdf9;
  --sand: #f2ede3;
  --mist: #e7edf3;
  --blue: #6f8caa; /* decorative lines only, not text */
  --blue-ink: #34506e;
  --ink: #1d2732;
  --ink-soft: #4a5664;
  --line: #d9d4c8;
  --line-strong: #cbc3b2;
  --line-blue: #c9d6e3;

  --font-sans:
    system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue",
    Arial, sans-serif;
  --font-serif:
    "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia,
    "Noto Serif", "DejaVu Serif", serif;
  --font-mono:
    ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono",
    monospace;

  --wrap: 72rem;
  --gutter: clamp(1.125rem, 4vw, 2.5rem);
  --section-space: clamp(3.5rem, 8vw, 6.5rem);
  --radius: 1.25rem;
  --radius-sm: 0.75rem;
}

/* Base */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 1rem;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  overflow-wrap: break-word;
}

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

h1,
h2,
h3 {
  margin: 0 0 0.6em;
  font-family: var(--font-serif);
  line-height: 1.2;
  color: var(--ink);
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.125rem, 1.4rem + 3.1vw, 3.6rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 1.35rem + 1.7vw, 2.6rem);
  font-weight: 400;
  letter-spacing: -0.015em;
}

h3 {
  font-size: 1.3125rem;
  font-weight: 600;
  letter-spacing: -0.005em;
}

p {
  margin: 0 0 1em;
  text-wrap: pretty;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--blue-ink);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--ink);
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid var(--blue-ink);
  outline-offset: 3px;
}

main:focus {
  outline: none;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

::selection {
  background: var(--mist);
  color: var(--ink);
}

.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Skip link and demo note */

.skip-link {
  position: absolute;
  top: 0;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1.1rem;
  border-radius: 0 0 0.6rem 0.6rem;
  background: var(--ink);
  color: var(--ivory);
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-120%);
}

.skip-link:focus {
  transform: translateY(0);
}

.skip-link:hover {
  color: var(--ivory);
}

.demo-note {
  background: var(--ink);
  color: var(--mist);
  font-size: 0.875rem;
  line-height: 1.45;
}

.demo-note p {
  max-width: calc(var(--wrap) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 0.55rem var(--gutter);
  text-align: center;
}

.demo-note strong {
  color: var(--ivory);
  font-weight: 600;
}

/* Header and navigation */

.site-header {
  z-index: 50;
  background: rgb(250 247 240 / 0.95);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem 1.5rem;
  padding-block: 0.7rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 2.75rem;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1.375rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

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

.brand img {
  width: 2.5rem;
  height: 2.5rem;
}

.site-nav {
  margin-inline: -0.7rem;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.3rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  color: var(--ink);
  font-size: 0.975rem;
  font-weight: 500;
  text-decoration: none;
}

.site-nav a:hover {
  background: var(--mist);
}

.site-nav .nav-key {
  color: var(--blue-ink);
  box-shadow: inset 0 0 0 1.5px var(--blue-ink);
}

/* Shared pieces */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1rem;
  color: var(--blue-ink);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  flex: none;
  width: 1.75rem;
  height: 1.5px;
  background: var(--blue);
}

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

.section--ruled {
  border-top: 1px solid var(--line);
}

.section--mist {
  background: var(--mist);
}

.section--sand {
  background: var(--sand);
}

.section-head {
  max-width: 40rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.section-head p:not(.eyebrow) {
  color: var(--ink-soft);
  font-size: 1.125rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.7rem 1.35rem;
  border: 1.5px solid var(--blue-ink);
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
}

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

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

.button--quiet {
  background: transparent;
  color: var(--blue-ink);
}

.button--quiet:hover {
  background: var(--mist);
  color: var(--blue-ink);
}

/* Hero */

.hero {
  padding-block: clamp(2.5rem, 7vw, 5.5rem) clamp(3rem, 7vw, 5rem);
}

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

.lead {
  max-width: 36em;
  color: var(--ink-soft);
  font-size: clamp(1.125rem, 1.05rem + 0.35vw, 1.3125rem);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.hero-art {
  width: 100%;
  max-width: 20rem;
  margin-inline: auto;
}

.hero-facts {
  display: grid;
  gap: 1rem;
  margin: 0.5rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.hero-facts div {
  display: grid;
  gap: 0.1rem;
}

.hero-facts dt {
  color: var(--ink-soft);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-facts dd {
  margin: 0;
  font-weight: 500;
}

/* Services */

.services {
  display: grid;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.service {
  display: flex;
  flex-direction: column;
  padding: clamp(1.4rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.service img {
  width: 3.5rem;
  height: 3.5rem;
  margin-bottom: 1.1rem;
}

.service h3 {
  margin-bottom: 0.5rem;
  font-size: 1.375rem;
}

.service p {
  color: var(--ink-soft);
}

.service .service-note {
  margin-top: auto;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--line-strong);
  color: var(--blue-ink);
  font-size: 0.9375rem;
  font-weight: 500;
}

.service p:not(.service-note) {
  margin-bottom: 1.1rem;
}

.section-foot {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.disclaimer {
  margin: 0;
  padding-left: 1rem;
  border-left: 2px solid var(--blue);
  color: var(--ink-soft);
  font-size: 0.9375rem;
}

.next-link {
  margin: 0;
  font-weight: 500;
}

/* First visit */

.visit-grid {
  display: grid;
  gap: 2.5rem 4rem;
}

.visit-grid .section-head {
  margin-bottom: 0;
}

.steps {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 0 0 2rem 3.5rem;
  counter-increment: step;
}

.step:last-child {
  padding-bottom: 0;
}

.step::before {
  content: counter(step);
  content: counter(step) / "";
  position: absolute;
  top: -0.15rem;
  left: 0;
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1.5px solid var(--blue-ink);
  border-radius: 50%;
  background: var(--paper);
  color: var(--blue-ink);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  line-height: 1;
}

.step::after {
  content: "";
  position: absolute;
  top: 2.6rem;
  bottom: 0.2rem;
  left: calc(1.25rem - 0.75px);
  border-left: 1.5px dashed var(--blue);
}

.step:last-child::after {
  display: none;
}

.step h3 {
  margin-bottom: 0.4rem;
  padding-top: 0.25rem;
}

.step p {
  max-width: 36em;
  color: var(--ink-soft);
}

.visit-side {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.side-card {
  padding: clamp(1.35rem, 3vw, 1.75rem);
  border: 1px solid var(--line-blue);
  border-radius: var(--radius);
  background: var(--paper);
}

.side-card img {
  width: 3rem;
  height: 3rem;
  margin-bottom: 0.85rem;
}

.side-card h3 {
  margin-bottom: 0.4rem;
  font-size: 1.1875rem;
}

.side-card p {
  color: var(--ink-soft);
}

.side-card a {
  font-weight: 500;
}

.side-card--quiet {
  border: 1.5px dashed var(--blue);
  background: transparent;
}

/* About */

.about-grid {
  display: grid;
  gap: 2.5rem;
}

.about-lead {
  color: var(--ink-soft);
  font-size: 1.125rem;
}

.about-note {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--sand);
  color: var(--ink-soft);
  font-size: 0.9375rem;
}

.principles {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.principles li {
  position: relative;
  padding: 1.25rem 0 1.25rem 1.75rem;
  border-bottom: 1px solid var(--line);
}

.principles li::before {
  content: "";
  position: absolute;
  top: 1.75rem;
  left: 0;
  width: 0.7rem;
  height: 0.7rem;
  border: 1.5px solid var(--blue-ink);
  border-radius: 50%;
}

.principles h3 {
  margin-bottom: 0.25rem;
  font-size: 1.1875rem;
}

.principles p {
  color: var(--ink-soft);
}

/* Questions */

.faq-grid {
  display: grid;
  gap: 0 4rem;
}

.faq {
  border-top: 1px solid var(--line-strong);
}

.faq details {
  border-bottom: 1px solid var(--line-strong);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 2.75rem;
  padding: 1.05rem 0;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.4;
  list-style: none;
  cursor: pointer;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  content: "+" / "";
  flex: none;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1.5px solid var(--blue-ink);
  border-radius: 50%;
  color: var(--blue-ink);
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1;
}

.faq details[open] summary::after {
  content: "−";
  content: "−" / "";
  background: var(--blue-ink);
  color: var(--ivory);
}

.faq summary:hover {
  color: var(--blue-ink);
}

.faq details p {
  max-width: 38em;
  margin: 0;
  padding: 0 3rem 1.35rem 0;
  color: var(--ink-soft);
}

/* Hours and contact */

.contact-grid {
  display: grid;
  gap: 1.25rem;
}

.info-card {
  padding: clamp(1.4rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.info-card h3 {
  margin-bottom: 0.75rem;
}

.hours,
.contact-list {
  margin: 0 0 1rem;
}

.hours:last-child {
  margin-bottom: 0;
}

.hours div,
.contact-list div {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.hours div:first-child,
.contact-list div:first-child {
  border-top: 1px solid var(--line);
}

.hours div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.25rem 1rem;
}

.hours dt {
  font-weight: 500;
}

.hours dd {
  margin: 0;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.hours .closed {
  color: var(--ink-soft);
  font-weight: 500;
}

.contact-list dt {
  color: var(--ink-soft);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-list dd {
  margin: 0.15rem 0 0;
  font-weight: 500;
}

.tag {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.05rem 0.55rem;
  border-radius: 999px;
  background: var(--mist);
  color: var(--blue-ink);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: none;
}

.contact-list .email {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  overflow-wrap: anywhere;
}

.small {
  color: var(--ink-soft);
  font-size: 0.9375rem;
}

.no-data {
  display: grid;
  gap: 1rem;
  padding: clamp(1.4rem, 3vw, 2rem);
  border: 1px solid var(--line-blue);
  border-radius: var(--radius);
  background: var(--mist);
}

.no-data img {
  width: 3.5rem;
  height: 3.5rem;
}

.no-data h3 {
  margin-bottom: 0.4rem;
}

.no-data p {
  max-width: 44em;
  color: var(--ink-soft);
}

/* Footer */

.site-footer {
  padding-block: 2.75rem 3rem;
  background: var(--ink);
  color: var(--mist);
}

.footer-inner {
  display: grid;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0;
  color: var(--ivory);
  font-family: var(--font-serif);
  font-size: 1.375rem;
}

.footer-brand::before {
  content: "";
  flex: none;
  width: 1.75rem;
  height: 1.5px;
  background: var(--mist);
}

.footer-legal {
  margin: 0;
  font-size: 0.9375rem;
}

.site-footer a {
  color: var(--ivory);
}

.site-footer a:hover {
  color: var(--mist);
}

.site-footer :focus-visible {
  outline-color: var(--ivory);
}

.footer-top {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  min-height: 2.75rem;
  font-weight: 500;
}

/* Wider layouts */

@media (min-width: 30em) {
  .no-data {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 1.25rem;
    align-items: start;
  }
}

@media (min-width: 40em) {
  .step {
    padding: 0 0 1.25rem 4rem;
  }

  .step::before {
    width: 2.75rem;
    height: 2.75rem;
    font-size: 1.25rem;
  }

  .step::after {
    top: 2.85rem;
    left: calc(1.375rem - 0.75px);
  }

  .step-card {
    padding: 1.35rem 1.6rem 1.5rem;
    border: 1px solid var(--line-blue);
    border-radius: var(--radius);
    background: var(--paper);
  }

  .step h3 {
    padding-top: 0;
  }
}

@media (min-width: 46em) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    column-gap: clamp(2rem, 5vw, 4.5rem);
  }

  .hero-art {
    max-width: 30rem;
  }

  .hero-facts {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .hero-facts div + div {
    padding-left: 1.25rem;
    border-left: 1px solid var(--line);
  }

  .services {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .no-data {
    grid-column: 1 / -1;
  }

  .footer-inner {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 2rem;
  }
}

@media (min-width: 56em) {
  .about-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 4rem;
  }

  .faq-grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
  }

  .faq-grid .section-head {
    margin-bottom: 0;
  }
}

@media (min-width: 60em) {
  .visit-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .visit-grid .section-head {
    grid-column: 1 / -1;
  }
}

@media (min-width: 64em) {
  html {
    scroll-padding-top: 6rem;
  }

  .site-header {
    position: sticky;
    top: 0;
  }

  .visit-side {
    position: sticky;
    top: 7rem;
  }

  .services {
    gap: 1.5rem;
  }
}

/* High-contrast / forced colours: keep the drawn indicators visible. */

@media (forced-colors: active) {
  .step::before,
  .faq summary::after,
  .principles li::before {
    border-color: CanvasText;
  }

  .site-nav .nav-key {
    outline: 1px solid CanvasText;
  }
}