/* ═══════════════════════════════════════════════════════════════
   RETINA CLÍNICA – VISÃO PARA TODOS
   Design System & Styles
   ═══════════════════════════════════════════════════════════════ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --blue-900: #0a1628;
  --blue-800: #0f2244;
  --blue-700: #1a3a6e;
  --blue-600: #1e4d9a;
  --blue-500: #2563c4;
  --blue-400: #3b82f6;
  --blue-300: #93c5fd;
  --blue-100: #dbeafe;
  --white:    #ffffff;
  --off-white:#f0f6ff;
  --gray-100: #e8f0fe;
  --gray-300: #94a3b8;
  --gray-500: #64748b;
  --gray-700: #334155;
  --gray-900: #0f172a;
  --green:    #10b981;
  --green-dk: #059669;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --radius-sm:  8px;
  --radius-md:  16px;
  --radius-lg:  24px;
  --radius-xl:  36px;
  --radius-full: 9999px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.1);
  --shadow-md:  0 4px 16px rgba(0,0,0,.12);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.18);
  --shadow-xl:  0 24px 64px rgba(0,0,0,.24);

  --transition: .25s cubic-bezier(.4,0,.2,1);
  --nav-h: 72px;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--gray-700);
  background: var(--white);
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul { list-style: none; }
input, select, textarea { font: inherit; }
h1,h2,h3,h4 { font-family: var(--font-display); line-height: 1.2; color: var(--blue-900); }

/* ── Typography ─────────────────────────────────────────────── */
h1 { font-size: clamp(2.5rem, 7vw, 5rem); font-weight: 900; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 700; }
p  { font-size: 1rem; }

/* ── Layout ─────────────────────────────────────────────────── */
.container    { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.container--sm{ max-width: 760px;  margin: 0 auto; padding: 0 24px; }
section       { position: relative; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .02em;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn--primary {
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(37,99,196,.45);
}
.btn--primary:hover {
  background: linear-gradient(135deg, var(--blue-400), var(--blue-600));
  box-shadow: 0 8px 28px rgba(37,99,196,.55);
  transform: translateY(-2px);
}
.btn--outline {
  border: 2px solid var(--blue-500);
  color: var(--blue-600);
  background: transparent;
}
.btn--outline:hover { background: var(--blue-100); transform: translateY(-2px); }
.btn--ghost { color: var(--gray-500); padding-left: 0; }
.btn--ghost:hover { color: var(--blue-600); }
.btn--lg { padding: 18px 40px; font-size: 1.05rem; }
.btn--full { width: 100%; }

/* ── Labels ─────────────────────────────────────────────────── */
.label {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue-500);
  background: var(--blue-100);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}
.label--center { display: block; text-align: center; }
.label--light  { background: rgba(255,255,255,.15); color: var(--white); }
.section-title { margin-bottom: 16px; }
.section-title.center { text-align: center; }
.section-title.light  { color: var(--white); }

/* ════════════════════════════════════════════════════════════
   NAV
════════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-100);
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: var(--shadow-md); }
.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav__logo-wrap {
  width: 40px; height: 40px;
  color: var(--blue-600);
}
.nav__name { line-height: 1.1; }
.nav__retina  { display: block; font-family: var(--font-display); font-weight: 900; font-size: 1.15rem; color: var(--blue-900); }
.nav__clinica { display: block; font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--blue-500); font-weight: 600; }

.nav__links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.nav__links a {
  padding: 8px 14px;
  border-radius: var(--radius-full);
  font-size: .9rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: background var(--transition), color var(--transition);
}
.nav__links a:hover { background: var(--blue-100); color: var(--blue-700); }

.nav__cta { padding: 10px 22px; font-size: .9rem; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.nav__toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--blue-900);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__mobile {
  position: fixed;
  top: var(--nav-h); left: 0; right: 0; bottom: 0;
  background: var(--white);
  padding: 32px 24px;
  overflow-y: auto;
  animation: slideDown .3s ease;
}
.nav__mobile ul { display: flex; flex-direction: column; gap: 8px; }
.nav__mobile a {
  display: block;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--gray-900);
  transition: background var(--transition);
}
.nav__mobile a:hover { background: var(--blue-100); color: var(--blue-700); }
@keyframes slideDown { from { opacity:0; transform:translateY(-12px); } to { opacity:1; transform:translateY(0); } }

/* ════════════════════════════════════════════════════════════
   HERO
════════════════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  background: linear-gradient(150deg, var(--blue-900) 0%, var(--blue-800) 40%, var(--blue-700) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + 60px) 24px 80px;
  overflow: hidden;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%,   rgba(37,99,196,.35) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 100%,  rgba(59,130,246,.2)  0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.hero__badge {
  display: inline-block;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: var(--blue-300);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}
.hero__eyesvg {
  width: clamp(140px,30vw,220px);
  opacity: .12;
  position: absolute;
  top: 50%; right: -40px;
  transform: translateY(-50%);
  pointer-events: none;
}
.hero__content { position: relative; z-index: 1; max-width: 760px; }
.hero__title {
  color: var(--white);
  margin-bottom: 20px;
}
.hero__title span {
  background: linear-gradient(135deg, var(--blue-300), var(--blue-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__sub {
  font-size: clamp(1.05rem, 2.5vw, 1.3rem);
  color: rgba(255,255,255,.8);
  margin-bottom: 40px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.hero__cta {
  margin-bottom: 24px;
  font-size: 1.1rem;
  padding: 20px 48px;
  box-shadow: 0 8px 32px rgba(37,99,196,.6), 0 0 0 0 rgba(59,130,246,.4);
  animation: pulse 2.5s infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 8px 32px rgba(37,99,196,.6), 0 0 0 0    rgba(59,130,246,.4); }
  50%      { box-shadow: 0 8px 32px rgba(37,99,196,.6), 0 0 0 12px rgba(59,130,246,0);  }
}
.hero__note {
  color: rgba(255,255,255,.5);
  font-size: .85rem;
}
.hero__scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  z-index: 1;
}
.hero__scroll span {
  display: block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,.4);
  animation: scrollDots 1.6s infinite;
}
.hero__scroll span:nth-child(2) { animation-delay: .2s; }
.hero__scroll span:nth-child(3) { animation-delay: .4s; }
@keyframes scrollDots {
  0%,100% { opacity:.3; transform:scale(1); }
  50%      { opacity:1;  transform:scale(1.4); }
}

/* ════════════════════════════════════════════════════════════
   SOBRE
════════════════════════════════════════════════════════════ */
.sobre {
  padding: 100px 0;
  background: var(--white);
}
.sobre__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.sobre__text h2 { margin-bottom: 20px; }
.sobre__text p  { margin-bottom: 16px; color: var(--gray-500); }
.sobre__text .btn { margin-top: 12px; }
.sobre__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.card-stat {
  background: linear-gradient(135deg, var(--blue-900), var(--blue-800));
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  color: var(--white);
  transition: transform var(--transition);
}
.card-stat:hover { transform: translateY(-4px); }
.card-stat--wide { grid-column: 1 / -1; background: linear-gradient(135deg, var(--blue-600), var(--blue-800)); }
.card-stat__num   { display: block; font-family: var(--font-display); font-size: 2rem; font-weight: 900; color: var(--white); margin-bottom: 6px; }
.card-stat__label { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--blue-300); font-weight: 600; }

/* ════════════════════════════════════════════════════════════
   COMO FUNCIONA
════════════════════════════════════════════════════════════ */
.como {
  padding: 100px 0;
  background: var(--off-white);
}
.como h2 { margin-bottom: 60px; }
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  position: relative;
}
.step {
  flex: 1;
  text-align: center;
  padding: 0 32px;
}
.step__num {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--blue-500);
  background: var(--blue-100);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  margin-bottom: 16px;
}
.step__icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,.1));
}
.step h3 { margin-bottom: 12px; color: var(--blue-900); }
.step p   { font-size: .9rem; color: var(--gray-500); }
.step__connector {
  flex: 0 0 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-300), var(--blue-400));
  margin-top: 80px;
  position: relative;
}
.step__connector::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: var(--blue-400);
}

/* ════════════════════════════════════════════════════════════
   BOOKING
════════════════════════════════════════════════════════════ */
.booking {
  padding: 100px 0;
  background: linear-gradient(150deg, var(--blue-900) 0%, var(--blue-800) 100%);
  overflow: hidden;
}
.booking__bg {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
.booking .section-title { margin-bottom: 12px; }
.booking__sub {
  text-align: center;
  color: rgba(255,255,255,.65);
  margin-bottom: 48px;
  font-size: 1rem;
}
.booking__card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 48px 44px 40px;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}
.booking__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue-500), var(--blue-300));
}

/* Steps */
.booking__step { display: none; }
.booking__step.active { display: block; animation: fadeInUp .35s ease; }
@keyframes fadeInUp { from { opacity:0; transform:translateY(16px); } to { opacity:1; transform:translateY(0); } }
.booking__step h3 { margin-bottom: 28px; color: var(--blue-900); font-size: 1.3rem; }

/* Form */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; color: var(--gray-700); margin-bottom: 8px; }
.form-group input {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--gray-100);
  border-radius: var(--radius-md);
  font-size: 1rem;
  color: var(--gray-900);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus { border-color: var(--blue-500); }
.form-group input.error { border-color: #ef4444; }
.form-row { display: flex; gap: 12px; margin-top: 24px; align-items: center; }

/* Calendar */
.calendar { user-select: none; }
.calendar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.calendar__nav {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--blue-100);
  color: var(--blue-700);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.calendar__nav:hover { background: var(--blue-500); color: white; }
.calendar__title { font-weight: 600; color: var(--blue-900); font-size: 1rem; }
.calendar__weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 8px;
}
.calendar__weekdays span {
  text-align: center;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--gray-300);
  padding: 4px;
}
.calendar__grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-day {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
}
.cal-day:hover:not(.disabled):not(.empty) { background: var(--blue-100); color: var(--blue-700); }
.cal-day.today { background: var(--blue-100); color: var(--blue-600); font-weight: 700; }
.cal-day.selected { background: var(--blue-600); color: white !important; }
.cal-day.disabled { color: var(--gray-100); cursor: not-allowed; }
.cal-day.empty { cursor: default; }
.cal-day.sunday { color: var(--gray-300); cursor: not-allowed; }

/* Time grid */
.time-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 8px; }
.time-btn {
  padding: 10px 6px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--gray-100);
  background: var(--white);
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-700);
  transition: all var(--transition);
  text-align: center;
}
.time-btn:hover { border-color: var(--blue-400); color: var(--blue-700); background: var(--blue-100); }
.time-btn.selected { border-color: var(--blue-600); background: var(--blue-600); color: white; }

/* Confirm */
.confirm-box { text-align: center; padding: 8px 0; }
.confirm-box__icon { font-size: 3.5rem; margin-bottom: 16px; animation: popIn .5s cubic-bezier(.34,1.56,.64,1); }
@keyframes popIn { from { transform:scale(0); } to { transform:scale(1); } }
.confirm-box h3    { margin-bottom: 12px; color: var(--green-dk); }
.confirm-box p     { color: var(--gray-500); margin-bottom: 16px; }
.confirm-box__address {
  background: var(--off-white);
  border-radius: var(--radius-md);
  padding: 16px;
  margin: 16px 0;
  font-size: .9rem;
  line-height: 1.7;
  text-align: left;
}
.confirm-box__tip { font-size: .85rem; color: var(--gray-500); margin-bottom: 20px; }

/* Progress bar */
.progress-bar {
  height: 4px;
  background: var(--gray-100);
  border-radius: 4px;
  margin-top: 32px;
  overflow: hidden;
}
.progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue-500), var(--blue-300));
  border-radius: 4px;
  transition: width .4s ease;
}

/* ════════════════════════════════════════════════════════════
   CLÍNICA
════════════════════════════════════════════════════════════ */
.clinica { padding: 100px 0; background: var(--white); }
.clinica__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.clinica__info h2 { margin-bottom: 32px; }
.clinica__list { display: flex; flex-direction: column; gap: 24px; }
.clinica__list li { display: flex; gap: 16px; align-items: flex-start; }
.clinica__icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.clinica__list strong { display: block; font-size: .85rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--blue-600); margin-bottom: 2px; }
.clinica__list p { color: var(--gray-500); font-size: .95rem; }
.clinica__map iframe {
  width: 100%;
  height: 320px;
  border-radius: var(--radius-lg);
  border: none;
  margin-bottom: 16px;
}
.map-btn { margin-top: 4px; }

/* ════════════════════════════════════════════════════════════
   FAQ
════════════════════════════════════════════════════════════ */
.faq { padding: 100px 0; background: var(--off-white); }
.faq h2 { margin-bottom: 48px; }
.accordion { display: flex; flex-direction: column; gap: 12px; }
.accordion__item {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}
.accordion__item:hover { box-shadow: var(--shadow-md); }
.accordion__trigger {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-weight: 600;
  font-size: .95rem;
  color: var(--blue-900);
  transition: color var(--transition);
}
.accordion__trigger[aria-expanded="true"] { color: var(--blue-600); }
.accordion__arrow {
  width: 20px; height: 20px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--blue-100);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition), background var(--transition);
}
.accordion__arrow::after {
  content: '+';
  font-size: 1rem;
  color: var(--blue-600);
  line-height: 1;
}
.accordion__trigger[aria-expanded="true"] .accordion__arrow {
  transform: rotate(45deg);
  background: var(--blue-500);
}
.accordion__trigger[aria-expanded="true"] .accordion__arrow::after { color: white; }
.accordion__body { display: none; padding: 0 24px 20px; }
.accordion__body.open { display: block; animation: fadeInUp .25s ease; }
.accordion__body p { color: var(--gray-500); font-size: .95rem; }

/* ════════════════════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════════════════════ */
.footer {
  background: var(--blue-900);
  color: rgba(255,255,255,.7);
  padding: 64px 0 32px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer__brand .nav__logo-wrap { color: var(--blue-400); width: 36px; height: 36px; }
.footer__brand .nav__retina  { color: var(--white); font-size: 1.1rem; }
.footer__brand .nav__clinica { color: var(--blue-400); }
.footer__brand { display: flex; flex-direction: column; gap: 12px; }
.footer__tagline { font-size: .85rem; margin-top: 4px; }
.footer__col h4 { color: var(--white); font-family: var(--font-body); font-size: .85rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 16px; }
.footer__col ul { display: flex; flex-direction: column; gap: 8px; }
.footer__col li { font-size: .9rem; line-height: 1.55; }
.footer__col a { transition: color var(--transition); }
.footer__col a:hover { color: var(--blue-300); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  text-align: center;
}
.footer__bottom p { font-size: .8rem; }
.footer__projeto { color: var(--blue-300); font-size: .85rem !important; }

/* WhatsApp FAB */
.whatsapp-fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 58px; height: 58px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 20px rgba(37,211,102,.5);
  z-index: 999;
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-fab svg { width: 28px; height: 28px; }
.whatsapp-fab:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 8px 32px rgba(37,211,102,.6);
}

/* ════════════════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════════════════ */
@media (max-width: 960px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }
  .sobre__grid, .clinica__grid { grid-template-columns: 1fr; gap: 40px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .steps { flex-direction: column; gap: 32px; align-items: center; }
  .step__connector { display: none; }
}
@media (max-width: 600px) {
  .booking__card { padding: 36px 24px 28px; }
  .time-grid { grid-template-columns: repeat(3, 1fr); }
  .footer__grid { grid-template-columns: 1fr; }
  .sobre__cards { grid-template-columns: 1fr 1fr; }
}

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