/* ==========================================================================
   Patas & Cuidado — Site Essencial (template Arvion)
   Estrutura do arquivo:
   1. Variáveis / Reset
   2. Tipografia
   3. Layout utilitário
   4. Header
   5. Hero
   6. Serviços
   7. Sobre + Diferenciais
   8. CTA intermediário
   9. Contato
   10. Footer
   11. Botão flutuante WhatsApp
   12. Animações
   13. Responsividade
   ========================================================================== */

/* ---------- 1. Variáveis / Reset ---------- */
:root {
  /* Paleta — troque aqui para reaproveitar o template com outra marca */
  --color-primary: #6E8F72;       /* verde sálvia */
  --color-primary-dark: #35492F;  /* verde escuro */
  --color-background: #FAF6EF;    /* off-white quente */
  --color-surface: #FFFFFF;
  --color-surface-alt: #F1ECE1;   /* bege quente */
  --color-text: #2A2E27;
  --color-muted: #6B7268;
  --color-accent: #B8703F;        /* terracota queimado — cor de destaque dos CTAs */
  --color-accent-dark: #98592F;
  --color-border: #E4DDCD;

  --font-display: "Zilla Slab", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container-width: 1160px;
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 28px;

  --shadow-soft: 0 8px 24px rgba(53, 73, 47, 0.08);
  --transition-base: 220ms ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  color: var(--color-primary-dark);
}

p {
  margin: 0;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 2. Tipografia ---------- */
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-muted);
  margin: 0 0 12px;
}

.section-title {
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  max-width: 22ch;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-muted);
  max-width: 56ch;
  margin-top: 14px;
}

.section-heading {
  margin-bottom: 44px;
}

.section-heading.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-heading.center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- 3. Layout utilitário ---------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 96px 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform var(--transition-base), background-color var(--transition-base), box-shadow var(--transition-base);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
  box-shadow: 0 10px 24px rgba(184, 112, 63, 0.28);
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary-dark);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  background-color: var(--color-surface);
}

.btn-ghost {
  background-color: rgba(255, 255, 255, 0.14);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-ghost:hover {
  background-color: rgba(255, 255, 255, 0.24);
}

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

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 4. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(250, 246, 239, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 6px 20px rgba(42, 46, 39, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  letter-spacing: 0.2px;
}

.logo span {
  color: var(--color-accent);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.main-nav ul {
  display: flex;
  gap: 32px;
}

.main-nav a:not(.btn) {
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding-bottom: 4px;
}

.main-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

.main-nav a:not(.btn):hover::after {
  width: 100%;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 18px;
}

.header-cta .btn {
  padding: 11px 22px;
  font-size: 0.92rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 6px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-primary-dark);
  position: relative;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span::before {
  top: -7px;
}

.nav-toggle span::after {
  top: 7px;
}

.nav-toggle[aria-expanded="true"] span {
  background-color: transparent;
}

.nav-toggle[aria-expanded="true"] span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ---------- 5. Hero ---------- */
.hero {
  padding-top: 72px;
  padding-bottom: 72px;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.4rem);
  max-width: 14ch;
}

.hero-content .section-subtitle {
  max-width: 46ch;
  font-size: 1.12rem;
  margin-top: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
}

.hero-visual {
  position: relative;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: -6% -10% -6% 6%;
  background-color: var(--color-surface-alt);
  border-radius: 40% 60% 55% 45% / 50% 45% 55% 50%;
  z-index: 0;
}

.hero-visual figure {
  position: relative;
  z-index: 1;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  aspect-ratio: 4 / 5;
}

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

/* ---------- 6. Serviços ---------- */
.services {
  background-color: var(--color-surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  padding: 32px 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-background);
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--color-primary-dark);
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.96rem;
  color: var(--color-muted);
}

/* ---------- 7. Sobre + Diferenciais ---------- */
.about-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.about-media {
  position: relative;
}

.about-media figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  box-shadow: var(--shadow-soft);
}

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

.about-text p.lead {
  font-size: 1.08rem;
  color: var(--color-text);
  max-width: 52ch;
  margin-bottom: 40px;
}

.differentials {
  display: grid;
  gap: 26px;
}

.differential-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.differential-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.differential-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-primary-dark);
}

.differential-item h3 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.differential-item p {
  font-size: 0.95rem;
  color: var(--color-muted);
}

/* ---------- 8. CTA intermediário ---------- */
.mid-cta {
  background-color: var(--color-primary-dark);
  color: #FFFFFF;
  text-align: center;
}

.mid-cta h2 {
  color: #FFFFFF;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  max-width: 24ch;
  margin: 0 auto;
}

.mid-cta p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
  max-width: 52ch;
  margin: 18px auto 34px;
}

/* ---------- 9. Contato ---------- */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.contact-list {
  display: grid;
  gap: 22px;
  margin-top: 36px;
}

.contact-row {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.contact-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-primary-dark);
}

.contact-row h3 {
  font-size: 0.98rem;
  margin-bottom: 2px;
  color: var(--color-primary-dark);
}

.contact-row p,
.contact-row a {
  font-size: 0.95rem;
  color: var(--color-muted);
}

.contact-row a:hover {
  color: var(--color-accent);
}

.contact-cta {
  padding: 40px 32px;
  background-color: var(--color-primary-dark);
  border-radius: var(--radius-lg);
  color: #FFFFFF;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-cta h3 {
  color: #FFFFFF;
  font-size: 1.5rem;
  max-width: 18ch;
}

.contact-cta p {
  color: rgba(255, 255, 255, 0.82);
  margin: 14px 0 28px;
  font-size: 1rem;
}

/* ---------- 10. Footer ---------- */
.site-footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.86);
  padding: 64px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.footer-brand .logo {
  color: #FFFFFF;
}

.footer-brand .logo span {
  color: #E0A46B;
}

.footer-brand p {
  margin-top: 14px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.68);
  max-width: 34ch;
}

.footer-heading {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-links a {
  font-size: 0.94rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-contact {
  display: grid;
  gap: 10px;
  font-size: 0.94rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding-top: 24px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer-bottom .credit {
  color: rgba(255, 255, 255, 0.45);
}

/* ---------- 11. Botão flutuante WhatsApp ---------- */
.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 200;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #3F6E45;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 28px rgba(53, 73, 47, 0.35);
  border: none;
  transition: transform var(--transition-base);
}

.whatsapp-float:hover {
  transform: scale(1.06);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

/* ---------- 12. Animações ---------- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- 13. Responsividade ---------- */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-inner {
    grid-template-columns: 1fr;
  }

  .about-media {
    max-width: 420px;
  }

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

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

@media (max-width: 860px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
    max-width: 420px;
    margin: 0 auto;
  }

  section {
    padding: 72px 0;
  }
}

@media (max-width: 720px) {
  .main-nav {
    position: fixed;
    inset: 76px 16px auto 16px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    flex-direction: column;
    align-items: stretch;
    padding: 22px;
    gap: 22px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 18px;
  }

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

  .nav-toggle {
    display: inline-flex;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 0 20px;
  }

  section {
    padding: 60px 0;
  }

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

  .hero-actions .btn,
  .contact-cta .btn {
    width: 100%;
  }

  .whatsapp-float {
    right: 16px;
    bottom: 16px;
    width: 56px;
    height: 56px;
  }
}

@media (max-width: 380px) {
  .hero-content h1 {
    max-width: 100%;
  }
}