/* ============================================================
   Clinique Dentaire Sourire & Santé — styles.css
   Mobile-first, no frameworks
   ============================================================ */

/* ── Custom Properties ── */
:root {
  --clr-blue-dark:   #1a6fa8;
  --clr-blue-mid:    #2d8ecf;
  --clr-blue-light:  #e8f4fd;
  --clr-blue-pale:   #d0eaf8;
  --clr-white:       #ffffff;
  --clr-text:        #1a2332;
  --clr-text-muted:  #4a5568;
  --clr-border:      #cce4f5;
  --clr-success:     #1a7a4a;
  --clr-success-bg:  #d4edda;
  --clr-error:       #c0392b;
  --clr-error-bg:    #fde8e6;

  --font-body:     'Inter', system-ui, sans-serif;
  --font-heading:  'Playfair Display', Georgia, serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;

  --shadow-sm:  0 1px 3px rgba(26,111,168,.12);
  --shadow-md:  0 4px 16px rgba(26,111,168,.14);
  --shadow-lg:  0 12px 40px rgba(26,111,168,.18);

  --transition: 200ms ease;

  --max-w: 1200px;
  --gutter: 1.25rem;
}

/* ── Prototype Banner ── */
.proto-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: #7c3aed;
  color: #fff;
  font-size: .85rem;
  padding: .6rem var(--gutter);
  text-align: center;
}
.proto-banner strong { font-weight: 700; }
.proto-banner-close {
  flex-shrink: 0;
  background: rgba(255,255,255,.2);
  color: #fff;
  border-radius: var(--radius-sm);
  width: 24px;
  height: 24px;
  font-size: 1rem;
  line-height: 1;
  transition: background var(--transition);
}
.proto-banner-close:hover { background: rgba(255,255,255,.35); }
.proto-banner[hidden] { display: none; }

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 100%; }
body {
  font-family: var(--font-body);
  color: var(--clr-text);
  background: var(--clr-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
address { font-style: normal; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* ── Focus ── */
:focus-visible {
  outline: 3px solid var(--clr-blue-dark);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── Utility ── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section-pad { padding-block: 4rem; }

/* ── Typography ── */
h1, h2, h3 { font-family: var(--font-heading); line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 600; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.35rem); font-weight: 600; }
p  { max-width: 68ch; }

.section-eyebrow {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--clr-blue-dark);
  margin-bottom: .5rem;
}
.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}
.section-header p { max-width: 55ch; margin-inline: auto; }
.section-sub { color: var(--clr-text-muted); margin-top: .75rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-weight: 600;
  transition: background var(--transition), color var(--transition),
              box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--clr-blue-dark);
  color: var(--clr-white);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--clr-blue-mid);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--clr-blue-dark);
  border: 2px solid var(--clr-blue-dark);
}
.btn-outline:hover, .btn-outline:focus-visible {
  background: var(--clr-blue-light);
}

.btn-white {
  background: var(--clr-white);
  color: var(--clr-blue-dark);
  box-shadow: var(--shadow-sm);
}
.btn-white:hover { box-shadow: var(--shadow-md); }

.btn-sm { padding: .5rem 1.1rem; font-size: .875rem; }
.btn-full { width: 100%; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--clr-white);
  border-bottom: 1px solid var(--clr-border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  height: 68px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-shrink: 0;
}
.logo-icon { font-size: 1.5rem; }
.logo-text {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--clr-blue-dark);
}

/* Desktop nav */
.main-nav { display: none; margin-left: auto; }
.main-nav ul { display: flex; gap: 2rem; }
.main-nav a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  transition: color var(--transition);
  padding-block: .25rem;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover {
  color: var(--clr-blue-dark);
  border-bottom-color: var(--clr-blue-dark);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-left: auto;
}

/* Language toggle */
.lang-toggle {
  padding: .4rem .9rem;
  border: 2px solid var(--clr-border);
  border-radius: var(--radius-sm);
  font-size: .8rem;
  font-weight: 700;
  color: var(--clr-blue-dark);
  transition: border-color var(--transition), background var(--transition);
}
.lang-toggle:hover { border-color: var(--clr-blue-dark); background: var(--clr-blue-light); }

/* Hamburger */
.menu-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}
.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger { position: relative; }
.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}
.hamburger::before { top: -7px; }
.hamburger::after  { top:  7px; }

.menu-toggle[aria-expanded="true"] .hamburger { background: transparent; }
.menu-toggle[aria-expanded="true"] .hamburger::before { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle[aria-expanded="true"] .hamburger::after  { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile menu */
.mobile-menu {
  display: none;
  padding: 1rem var(--gutter) 1.5rem;
  background: var(--clr-white);
  border-top: 1px solid var(--clr-border);
}
.mobile-menu.is-open { display: block; }
.mobile-menu ul { display: flex; flex-direction: column; gap: .5rem; }
.mobile-menu a {
  display: block;
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  color: var(--clr-text-muted);
  transition: background var(--transition), color var(--transition);
}
.mobile-menu a:hover { background: var(--clr-blue-light); color: var(--clr-blue-dark); }
.mobile-menu .btn { margin-top: .5rem; }

@media (min-width: 768px) {
  .main-nav { display: block; }
  .menu-toggle { display: none; }
  .header-actions { margin-left: 0; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--clr-white) 55%, var(--clr-blue-light) 100%);
  padding-block: 4rem 3rem;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
.hero-content { max-width: 580px; }
.hero-eyebrow { color: var(--clr-blue-dark); font-size: .85rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; margin-bottom: .75rem; }
.hero h1 { color: var(--clr-text); margin-bottom: 1.25rem; }
.hero-sub { font-size: 1.05rem; color: var(--clr-text-muted); margin-bottom: 2rem; max-width: 52ch; }

.hero-ctas { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 2rem; }

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: .75rem 1.25rem;
  min-width: 90px;
  box-shadow: var(--shadow-sm);
}
.badge strong { font-size: 1.4rem; color: var(--clr-blue-dark); font-family: var(--font-heading); }
.badge span   { font-size: .75rem; color: var(--clr-text-muted); text-align: center; margin-top: .15rem; }

.hero-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  object-fit: cover;
}

@media (min-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
  .hero { padding-block: 5rem 4rem; }
}

/* ============================================================
   CHILDREN BANNER
   ============================================================ */
.children-banner {
  background: var(--clr-blue-dark);
  color: var(--clr-white);
  padding-block: 2.5rem;
}
.children-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}
.children-inner img {
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  width: 80px;
  height: 80px;
  object-fit: cover;
}
.children-inner h2 { color: var(--clr-white); font-size: clamp(1.3rem, 3vw, 1.9rem); }
.children-inner p  { color: rgba(255,255,255,.88); max-width: 65ch; margin-inline: auto; }
.children-inner .btn-white { margin-top: 1rem; }

@media (min-width: 700px) {
  .children-inner { flex-direction: row; text-align: left; }
  .children-inner p { margin-inline: 0; }
}

/* ============================================================
   SERVICES
   ============================================================ */
.services { background: var(--clr-white); }

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.service-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border);
  overflow: hidden;
  background: var(--clr-white);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.service-card--featured {
  border-color: var(--clr-blue-dark);
  border-width: 2px;
  box-shadow: var(--shadow-md);
}

.service-card-img { position: relative; }
.service-card-img img { width: 100%; height: 180px; object-fit: cover; }

.service-badge {
  position: absolute;
  top: .75rem;
  left: .75rem;
  background: var(--clr-blue-dark);
  color: var(--clr-white);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .3rem .75rem;
  border-radius: 999px;
}

.service-card-body { padding: 1.25rem; }
.service-card-body h3 { margin-bottom: .5rem; color: var(--clr-text); }
.service-card-body p  { font-size: .9rem; color: var(--clr-text-muted); max-width: none; }

@media (min-width: 560px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .service-card--featured { grid-column: span 2; }
  .service-card--featured .service-card-img img { height: 240px; }
}

@media (min-width: 900px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .service-card--featured { grid-column: span 1; }
  .service-card--featured .service-card-img img { height: 200px; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about { background: var(--clr-blue-light); }
.about-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.about-images { position: relative; display: flex; justify-content: center; }
.about-img--main {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
  object-fit: cover;
}
.about-img--accent {
  display: none;
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 4px solid var(--clr-white);
  width: 180px;
  object-fit: cover;
}

.about-content h2 { margin-block: .5rem 1rem; }
.about-content p  { color: var(--clr-text-muted); margin-bottom: 1rem; max-width: 58ch; }

.about-features {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  margin-block: 1.5rem;
}
.about-features li {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .95rem;
}
.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--clr-blue-dark);
  color: var(--clr-white);
  font-size: .75rem;
  font-weight: 700;
  flex-shrink: 0;
}

@media (min-width: 900px) {
  .about-inner { grid-template-columns: 1fr 1fr; }
  .about-img--accent { display: block; }
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials { background: var(--clr-white); }

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--clr-blue-light);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  border: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.testimonial-card p {
  font-size: .95rem;
  color: var(--clr-text);
  font-style: italic;
  max-width: none;
  flex: 1;
}
.testimonial-card footer {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-top: auto;
}
.testimonial-card footer img {
  border-radius: 50%;
  flex-shrink: 0;
  border: 2px solid var(--clr-white);
}
.testimonial-card cite {
  display: block;
  font-style: normal;
  font-weight: 600;
  font-size: .9rem;
  color: var(--clr-text);
}
.testimonial-card span {
  font-size: .78rem;
  color: var(--clr-text-muted);
}

.stars { color: #f5a623; font-size: 1rem; letter-spacing: .1em; }

@media (min-width: 640px)  { .testimonials-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .testimonials-grid { grid-template-columns: repeat(4, 1fr); } }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: var(--clr-blue-light); }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.contact-info h2 { margin-block: .5rem 1rem; }
.contact-info > p { color: var(--clr-text-muted); margin-bottom: 2rem; max-width: 52ch; }

.contact-details { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
}
.contact-icon { font-size: 1.2rem; line-height: 1.6; flex-shrink: 0; }
.contact-detail strong {
  display: block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--clr-blue-dark);
  margin-bottom: .25rem;
}
.contact-detail a { color: var(--clr-blue-dark); text-decoration: underline; }
.contact-detail a:hover { color: var(--clr-blue-mid); }

.hours-table { border-collapse: collapse; font-size: .9rem; }
.hours-table td { padding: .15rem .75rem .15rem 0; color: var(--clr-text-muted); }
.hours-table td:first-child { font-weight: 500; color: var(--clr-text); }

/* Form */
.contact-form-wrap {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }

.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group label {
  font-size: .875rem;
  font-weight: 600;
  color: var(--clr-text);
}
.form-group input,
.form-group select,
.form-group textarea {
  font: inherit;
  font-size: .95rem;
  padding: .65rem .9rem;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  background: var(--clr-white);
  color: var(--clr-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--clr-blue-dark);
  box-shadow: 0 0 0 3px rgba(26,111,168,.18);
}
.form-group input.is-invalid,
.form-group select.is-invalid,
.form-group textarea.is-invalid {
  border-color: var(--clr-error);
}
.form-group textarea { resize: vertical; min-height: 100px; }

.field-error {
  font-size: .8rem;
  color: var(--clr-error);
  min-height: 1.1em;
}

.form-note {
  font-size: .8rem;
  color: var(--clr-text-muted);
  text-align: center;
  max-width: none;
}

.form-success {
  background: var(--clr-success-bg);
  color: var(--clr-success);
  border-radius: var(--radius-sm);
  padding: 1rem;
  text-align: center;
  font-weight: 600;
  font-size: .95rem;
}

@media (min-width: 900px) {
  .contact-inner { grid-template-columns: 1fr 1fr; align-items: start; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--clr-text);
  color: rgba(255,255,255,.75);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-block: 3rem;
}

.footer-brand .logo-text { color: var(--clr-white); }
.footer-brand p { margin-top: .75rem; font-size: .9rem; max-width: 36ch; }

.footer-nav h3,
.footer-contact h3 {
  font-family: var(--font-body);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--clr-white);
  margin-bottom: 1rem;
}

.footer-nav ul { display: flex; flex-direction: column; gap: .5rem; }
.footer-nav a {
  font-size: .9rem;
  color: rgba(255,255,255,.7);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--clr-white); }

.footer-contact address p { margin-bottom: .4rem; font-size: .9rem; }
.footer-contact a { color: rgba(255,255,255,.7); transition: color var(--transition); }
.footer-contact a:hover { color: var(--clr-white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-block: 1.25rem;
  font-size: .8rem;
  text-align: center;
  color: rgba(255,255,255,.45);
}
.footer-bottom .container { display: flex; flex-direction: column; gap: .25rem; }
.footer-copy-en { display: none; }

html[data-lang="en"] .footer-copy-en { display: block; }
html[data-lang="en"] .footer-bottom p:not(.footer-copy-en) { display: none; }

@media (min-width: 640px) {
  .footer-inner { grid-template-columns: 2fr 1fr 1fr; }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}