/* Terapia Dens — shared stylesheet
   Visual language adapted from a modern clinic/dental theme reference:
   Montserrat + Open Sans typography, cyan/indigo accent pair, icon-info bar,
   hex-patterned hero and CTA bands, icon cards. */

:root {
  --color-primary: #00b8d4;
  --color-primary-dark: #0092a8;
  --color-primary-light: #e3f8fb;
  --color-accent: #3f51b5;
  --color-accent-dark: #303f9f;
  --color-ink: #29363d;
  --color-text: #67757d;
  --color-muted: #8a969c;
  --color-bg: #ffffff;
  --color-surface: #f4f8f9;
  --color-border: #e5edef;
  --footer-bg: #1d2a33;
  --footer-bg-2: #16212a;
  --radius: 6px;
  --radius-lg: 10px;
  --shadow: 0 4px 16px rgba(29, 42, 51, 0.08);
  --shadow-lg: 0 16px 40px rgba(29, 42, 51, 0.16);
  --max-width: 1140px;
  --font-heading: "Montserrat", var(--font-fallback);
  --font-sans: "Open Sans", var(--font-fallback);
  --font-fallback: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  font-size: 15px;
}

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

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

h1, h2, h3, h4 {
  line-height: 1.3;
  margin: 0 0 0.5em;
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-weight: 700;
}

p {
  margin: 0 0 1em;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-accent);
  color: #fff;
  padding: 12px 20px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}

.skip-link:focus {
  left: 0;
}

/* Icon info bar (address / phone / hours / booking) */
.topbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.topbar .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.topbar__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  border-left: 1px solid var(--color-border);
  padding-left: 20px;
}

.topbar__item:first-child {
  border-left: none;
  padding-left: 0;
}

.topbar__icon {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.topbar__icon svg {
  width: 17px;
  height: 17px;
}

.topbar__label {
  display: block;
  font-weight: 700;
  color: var(--color-ink);
  font-size: 0.88rem;
  text-decoration: none;
}

.topbar__sub {
  display: block;
  font-size: 0.78rem;
  color: var(--color-muted);
}

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

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  box-shadow: 0 1px 0 var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand__mark {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--color-ink);
  letter-spacing: 0.01em;
}

.brand__tagline {
  font-size: 0.72rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 8px 10px;
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  margin: 4px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.main-nav__list {
  display: flex;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}

.main-nav__list a {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 3px;
  text-decoration: none;
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.main-nav__list a:hover,
.main-nav__list a:focus-visible {
  color: var(--color-primary-dark);
}

.main-nav__list a[aria-current="page"] {
  color: #fff;
  background: var(--color-primary);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 3px;
  font-family: var(--font-heading);
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-accent-dark);
  color: #fff;
}

.btn--outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

.btn--outline:hover,
.btn--outline:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.btn--outline-dark {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-ink);
}

.btn--outline-dark:hover,
.btn--outline-dark:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.btn--sm {
  padding: 10px 18px;
  font-size: 0.72rem;
}

.btn__icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  display: none;
}

/* Hex-pattern duotone bands (hero + CTA) */
.hex-band {
  position: relative;
  background: linear-gradient(120deg, var(--color-primary-dark), var(--color-accent) 130%);
  color: #fff;
  overflow: hidden;
}

.hex-band::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.16;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100' viewBox='0 0 56 100'%3E%3Cpath d='M28 0 56 16v34l-28 16-28-16V16z' fill='none' stroke='%23ffffff' stroke-width='1.5'/%3E%3Cpath d='M28 34 56 50v34l-28 16-28-16V50z' fill='none' stroke='%23ffffff' stroke-width='1.5'/%3E%3C/svg%3E");
  background-size: 90px 160px;
  pointer-events: none;
}

.hex-band > .container {
  position: relative;
}

/* Home hero */
.hero {
  padding: 92px 0 104px;
}

.hero__top {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 32px;
  align-items: center;
}

.hero__illustration {
  display: flex;
  justify-content: center;
}

.hero__illustration svg {
  width: 100%;
  max-width: 340px;
}

.hero__eyebrow {
  color: #d3f4fa;
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  margin-bottom: 14px;
  display: block;
}

.hero h1 {
  font-size: clamp(1.9rem, 3.6vw, 2.75rem);
  color: #fff;
  margin-bottom: 0.5em;
  max-width: 18ch;
}

.hero__lead {
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 52ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero__panel {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}

.hero__specialties {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 900px;
  width: 100%;
  box-shadow: var(--shadow-lg);
}

.hero__specialties li {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(2px);
  padding: 22px 20px;
  color: #fff;
  font-size: 0.85rem;
}

.hero__specialties strong {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  margin-bottom: 4px;
}

/* Inner-page banner */
.page-banner {
  padding: 40px 0;
}

.page-banner__eyebrow {
  display: block;
  color: #d3f4fa;
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
  margin-bottom: 8px;
}

.page-banner h1 {
  color: #fff;
  margin-bottom: 8px;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
}

.page-banner__lead {
  color: rgba(255, 255, 255, 0.85);
  max-width: 64ch;
  margin: 0;
}

.page-banner__top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
}

.page-banner__illustration svg {
  width: 160px;
  height: 160px;
  display: block;
}

@media (max-width: 900px) {
  .page-banner__top {
    grid-template-columns: 1fr;
  }

  .page-banner__illustration {
    display: none;
  }
}

/* Sections */
.section {
  padding: 64px 0;
}

.section--surface {
  background: var(--color-surface);
}

.section__heading {
  max-width: 62ch;
  margin: 0 auto 40px;
  text-align: center;
}

.section__heading .eyebrow {
  display: block;
  color: var(--color-primary-dark);
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.section__heading h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
}

/* Feature / highlight grid */
.grid {
  display: grid;
  gap: 28px;
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

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

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card__icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.card__icon svg {
  width: 24px;
  height: 24px;
}

.card h3 {
  font-size: 1.02rem;
  margin-bottom: 10px;
}

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

/* Photo-led cards (services) */
.card--photo {
  padding: 0;
  overflow: hidden;
}

.card__photo {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--color-surface);
}

.card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card__icon--overlay {
  position: absolute;
  top: 16px;
  left: 16px;
  margin-bottom: 0;
  background: #fff;
  box-shadow: var(--shadow);
}

.card__body {
  padding: 24px 26px 26px;
}

/* Feature strip (icon + text, no card chrome) */
.feature {
  text-align: center;
}

.feature__icon {
  width: 60px;
  height: 60px;
  border: 2px solid var(--color-primary-light);
  border-radius: 50%;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}

.feature__icon svg {
  width: 26px;
  height: 26px;
}

.feature h3 {
  font-size: 0.98rem;
  margin-bottom: 8px;
}

.feature p {
  font-size: 0.92rem;
  margin: 0;
}

/* Doctor / team cards */
.doctor-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 30px 22px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.doctor-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.doctor-card__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  flex-shrink: 0;
  margin: 0 auto 16px;
  font-size: 1rem;
}

.doctor-card h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.doctor-card__role {
  color: var(--color-primary-dark);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.7rem;
  margin: 0 0 10px;
}

/* Info / hours table */
.hours-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.hours-table th,
.hours-table td {
  text-align: left;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  font-weight: 400;
}

.hours-table th {
  font-family: var(--font-heading);
  color: var(--color-ink);
  font-weight: 700;
}

.hours-table tr:last-child th,
.hours-table tr:last-child td {
  border-bottom: none;
}

/* Contact layout */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 18px;
}

.contact-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.contact-list .icon-chip {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-list .icon-chip svg {
  width: 18px;
  height: 18px;
}

.map-embed {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.map-embed iframe {
  width: 100%;
  height: 340px;
  border: 0;
  display: block;
}

/* CTA banner */
.cta-banner {
  border-radius: var(--radius-lg);
  padding: 44px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta-banner h2 {
  color: #fff;
  margin-bottom: 6px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.cta-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Footer */
.site-footer {
  background: var(--footer-bg);
  color: #a9b7bf;
  padding: 56px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.site-footer h2 {
  color: #fff;
}

.site-footer h3 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
  padding-bottom: 14px;
  margin-bottom: 20px;
}

.site-footer h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
}

.site-footer a {
  color: #a9b7bf;
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: #fff;
}

.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.footer-bottom {
  background: var(--footer-bg-2);
  padding: 18px 0;
  font-size: 0.82rem;
  color: #7e8c93;
}

.footer-bottom .container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  justify-content: space-between;
}

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

/* Focus visibility for accessibility */
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* Responsive */
@media (max-width: 900px) {
  .topbar .container {
    grid-template-columns: repeat(2, 1fr);
  }

  .topbar__item:nth-child(3) {
    border-left: none;
    padding-left: 0;
  }

  .grid--3,
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero__top {
    grid-template-columns: 1fr;
  }

  .hero__illustration {
    display: none;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    display: none;
  }

  .main-nav.is-open {
    display: block;
  }

  .main-nav__list {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px 20px;
    gap: 2px;
  }

  .main-nav__list a {
    padding: 12px 8px;
  }

  .header-cta .btn span {
    display: none;
  }

  .header-cta .btn__icon {
    display: block;
  }

  .header-cta .btn {
    padding: 12px;
  }

  .topbar .container {
    grid-template-columns: 1fr;
  }

  .topbar__item {
    border-left: none !important;
    padding-left: 0 !important;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .topbar__item:last-child {
    border-bottom: none;
  }

  .grid--3,
  .grid--2,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .hero__specialties {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn,
  .nav-toggle__bar,
  .card,
  .doctor-card {
    transition: none;
  }
}