/* ============================================================
   Clínica Rossetti — Neurocirurgia
   Landing page · Mobile-first · CFM-compliant
   ============================================================ */

/* ---------- Fontes (self-hosted) ---------- */
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/poppins-600.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/poppins-700.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url('../fonts/inter-latin-var.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Variáveis ---------- */
:root {
  --navy: #183351;
  --navy-2: #1e4066;
  --navy-deep: #10233a;
  --teal: #2A9D8F;
  --teal-text: #1B786C;
  --teal-dark: #157063;
  --teal-soft: rgba(42, 157, 143, 0.12);
  --ink: #343A48;
  --ink-soft: #5b6272;
  --gray-1: #EFF2F7;
  --gray-2: #d9dee6;
  --white: #ffffff;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 6px 24px rgba(16, 35, 58, 0.08);
  --shadow-lg: 0 16px 40px rgba(16, 35, 58, 0.16);
  --font-h: 'Poppins', system-ui, sans-serif;
  --font-b: 'Inter', system-ui, sans-serif;
  --container: 1160px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 108px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-b);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--teal-text); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 {
  font-family: var(--font-h);
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy);
  text-wrap: balance;
}

ul { padding: 0; list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}
.container-narrow { max-width: 860px; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-h);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--teal-text);
  color: var(--white);
}
.btn-primary:hover { background: var(--teal-dark); }

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
}
.btn-ghost:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.08); }

.btn-lg { padding: 15px 28px; font-size: 1rem; }

.icon { width: 20px; height: 20px; flex-shrink: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}

.brand-logo {
  width: 84px;
  height: 84px;
}

.site-nav {
  display: none;
  align-items: center;
  gap: 26px;
}
.site-nav a:not(.btn) {
  font-family: var(--font-h);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink);
}
.site-nav a:not(.btn):hover { color: var(--teal-text); text-decoration: none; }
.btn-nav { padding: 10px 18px; font-size: 0.85rem; }

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2.5px;
  width: 100%;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Menu mobile aberto */
.site-nav.open {
  display: flex;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-1);
  box-shadow: var(--shadow);
  padding: 12px 20px 20px;
}
.site-nav.open a:not(.btn) {
  padding: 13px 4px;
  border-bottom: 1px solid var(--gray-1);
  font-size: 1rem;
}
.site-nav.open .btn-nav { margin-top: 14px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(42, 157, 143, 0.22), transparent 60%),
    radial-gradient(700px 420px at -10% 110%, rgba(30, 64, 102, 0.9), transparent 65%),
    var(--navy);
  color: var(--white);
}

.hero-grid {
  display: grid;
  gap: 36px;
  padding-block: 56px 64px;
}

.hero-logo {
  width: 128px;
  height: 128px;
  margin-bottom: 22px;
}

.hero-eyebrow {
  font-family: var(--font-h);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8fd6cd;
  margin-bottom: 14px;
}

.hero-name {
  font-family: var(--font-h);
  font-weight: 600;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 6px;
}

.hero-title {
  font-size: clamp(2rem, 5.5vw, 3.4rem);
  color: var(--white);
  margin-bottom: 14px;
}

.hero-tagline {
  font-family: var(--font-h);
  font-weight: 600;
  font-size: clamp(1.05rem, 2.6vw, 1.3rem);
  color: #a8e3da;
  margin-bottom: 14px;
}

.hero-sub {
  font-size: clamp(1rem, 2.2vw, 1.1rem);
  color: rgba(255, 255, 255, 0.82);
  max-width: 52ch;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 14px;
}

.hero-alt {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.68);
  margin-bottom: 30px;
}
.hero-alt a {
  color: #a8e3da;
  text-decoration: underline;
  text-decoration-color: rgba(168, 227, 218, 0.45);
}
.hero-alt a:hover { text-decoration-color: #a8e3da; }

.hero-stats {
  display: grid;
  gap: 14px;
}
.hero-stats li {
  display: flex;
  flex-direction: column;
  padding-left: 16px;
  border-left: 3px solid var(--teal);
}
.hero-stats strong {
  font-family: var(--font-h);
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
}
.hero-stats span {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.72);
}

.hero-figure { position: relative; }
.hero-photo {
  width: min(320px, 78%);
  margin-inline: auto;
  border-radius: var(--radius);
  border: 3px solid rgba(42, 157, 143, 0.55);
  box-shadow: var(--shadow-lg);
  filter: saturate(1.03);
}

/* ---------- Seções ---------- */
.section { padding-block: 64px; }
.section-gray { background: var(--gray-1); }
.section-navy {
  background:
    radial-gradient(700px 400px at 110% 0%, rgba(42, 157, 143, 0.16), transparent 60%),
    var(--navy);
  color: var(--white);
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  margin-bottom: 12px;
}
.section-title-light { color: var(--white); }

.section-sub {
  color: var(--ink-soft);
  max-width: 62ch;
  margin-bottom: 36px;
}
.section-sub-light { color: rgba(255, 255, 255, 0.78); }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 20px; }

.card {
  background: var(--white);
  border: 1px solid var(--gray-2);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow);
}

.card-icon {
  margin-bottom: 16px;
}
.card-icon img {
  width: 62px;
  height: 62px;
}

.card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}
.card p {
  font-size: 0.93rem;
  color: var(--ink-soft);
}

.card-atuacao {
  display: flex;
  flex-direction: column;
}

.card-cta {
  display: inline-flex;
  align-items: center;
  margin-top: auto;
  padding-top: 14px;
  font-family: var(--font-h);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--teal-text);
}
.card-cta::after { content: " →"; }
.card-cta:hover { text-decoration: underline; }

.card-icon-stroke {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--teal-soft);
  color: var(--teal-text);
  margin-bottom: 16px;
}
.card-icon-stroke svg { width: 26px; height: 26px; }

/* ---------- Sobre ---------- */
.sobre-grid {
  display: grid;
  gap: 36px;
  align-items: start;
}

.sobre-figure {
  position: relative;
  justify-self: center;
}
.sobre-figure::before {
  content: "";
  position: absolute;
  inset: 14px -14px -14px 14px;
  border-radius: var(--radius);
  border: 2px solid var(--teal);
  opacity: 0.35;
  z-index: -1;
}
.sobre-figure img {
  width: min(300px, 80%);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.sobre-content > p { margin-bottom: 16px; color: var(--ink-soft); }

.checklist {
  display: grid;
  gap: 12px;
  margin: 24px 0;
}
.checklist li {
  position: relative;
  padding-left: 34px;
  font-size: 0.95rem;
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: var(--teal-soft);
}
.checklist li::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  width: 6px;
  height: 10px;
  border: solid var(--teal-text);
  border-width: 0 2.5px 2.5px 0;
  transform: rotate(42deg);
}

.credenciais-box {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-top: 26px;
}
.credenciais-box p { font-size: 0.95rem; }
.credenciais-box p + p { margin-top: 4px; color: #a8e3da; }

/* ---------- FAQ ---------- */
.faq-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}
.faq-icon { width: 56px; height: 56px; flex-shrink: 0; }
.faq-header .section-title { margin-bottom: 0; }

.faq-list { display: grid; gap: 12px; }

.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-2);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--font-h);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--navy);
  padding: 17px 52px 17px 20px;
  position: relative;
  transition: background-color 0.15s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: var(--gray-1); }

.faq-item summary::after {
  content: "";
  position: absolute;
  right: 20px;
  top: 50%;
  width: 11px;
  height: 11px;
  border: solid var(--teal-text);
  border-width: 0 2.5px 2.5px 0;
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after {
  transform: translateY(-30%) rotate(225deg);
}
.faq-item[open] summary { border-bottom: 1px solid var(--gray-1); }

.faq-answer { padding: 16px 20px 20px; }
.faq-answer p { font-size: 0.94rem; color: var(--ink-soft); }

.faq-disclaimer {
  margin-top: 24px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  padding-left: 14px;
  border-left: 3px solid var(--teal);
}

/* ---------- Contato ---------- */
.contato-grid { align-items: stretch; }

.contato-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.contato-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(42, 157, 143, 0.25);
  color: #a8e3da;
  margin-bottom: 6px;
}
.contato-icon svg { width: 26px; height: 26px; }

.contato-card h3 { color: var(--white); font-size: 1.05rem; }
.contato-card p { color: rgba(255, 255, 255, 0.82); font-size: 0.95rem; }

.contato-card .btn { margin-top: 8px; }

.link-phone, .link-mail { color: var(--white); font-weight: 500; text-decoration: underline; text-decoration-color: rgba(255,255,255,0.4); }
.link-phone:hover, .link-mail:hover { text-decoration-color: var(--white); }

.link-arrow {
  color: var(--teal-text);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: auto;
}
.link-arrow::after { content: " →"; }

.contato-card .link-arrow { color: #a8e3da; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.82);
  padding: 48px 0 32px;
}

.footer-grid {
  display: grid;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-logo {
  width: 128px;
  height: 128px;
  border-radius: 16px;
  background: var(--white);
  padding: 10px;
  margin-bottom: 18px;
}

.footer-tagline {
  font-family: var(--font-h);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  max-width: 26ch;
}

.footer-heading {
  font-family: var(--font-h);
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
}

.footer-nav {
  display: grid;
  gap: 10px;
}
.footer-nav a { color: rgba(255, 255, 255, 0.78); font-size: 0.94rem; }
.footer-nav a:hover { color: var(--white); }

.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.85);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}
.social-links a:hover { background: var(--teal); border-color: var(--teal); color: var(--white); text-decoration: none; }
.social-links svg { width: 19px; height: 19px; }

.footer-legal-links { display: grid; gap: 10px; align-content: start; }
.footer-legal-links a { color: rgba(255, 255, 255, 0.78); font-size: 0.94rem; }
.footer-legal-links a:hover { color: var(--white); }

.footer-credenciais {
  padding-top: 24px;
  text-align: center;
  display: grid;
  gap: 8px;
}
.footer-credenciais p { font-size: 0.9rem; }
.footer-disclaimer { color: rgba(255, 255, 255, 0.55); font-size: 0.82rem; }
.footer-copy { color: rgba(255, 255, 255, 0.6); font-size: 0.82rem; }

/* ---------- 404 e páginas legais ---------- */
.page-legal { padding-block: 48px 72px; }
.page-legal h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); margin-bottom: 24px; }
.page-legal h2 { font-size: 1.15rem; margin: 28px 0 10px; }
.page-legal p, .page-legal li { color: var(--ink-soft); margin-bottom: 10px; }
.page-legal ul { list-style: disc; padding-left: 22px; }

.page-404 {
  min-height: 60vh;
  display: grid;
  place-content: center;
  text-align: center;
  gap: 12px;
  padding: 48px 20px;
}
.page-404 h1 { font-size: clamp(2.4rem, 8vw, 4rem); }
.page-404 p { color: var(--ink-soft); margin-bottom: 12px; }

/* ============================================================
   Breakpoints
   ============================================================ */

@media (min-width: 640px) {
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .section { padding-block: 88px; }
  .hero-grid {
    grid-template-columns: 1.25fr 1fr;
    align-items: center;
    gap: 48px;
    padding-block: 80px;
  }
  .hero-photo { width: min(400px, 100%); }
  .sobre-grid { grid-template-columns: 340px 1fr; gap: 56px; }
  .sobre-figure img { width: 100%; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}

@media (min-width: 1040px) {
  .nav-toggle { display: none; }
  .site-nav {
    display: flex;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 26px;
    background: none;
    border: 0;
    box-shadow: none;
    padding: 0;
  }
  .site-nav a:not(.btn) { padding: 0; border: 0; }
  .site-nav .btn-nav { margin-top: 0; }
}

/* ---------- Botão flutuante de WhatsApp ---------- */
.whatsapp-fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  animation: fab-in 0.4s ease 0.5s backwards;
  transition: background-color 0.2s ease, transform 0.15s ease;
}
.whatsapp-fab:hover {
  background: #1fc65b;
  transform: translateY(-2px);
  text-decoration: none;
}
.whatsapp-fab svg { width: 32px; height: 32px; }

@keyframes fab-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Acessibilidade ---------- */
:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.01ms;
    animation-duration: 0.01ms;
  }
}