/* ========================================
   STYLE.CSS — Landing Page Institucional
   Contabilidade D'miranda
   Futurista, Profissional, Elegante
   Mobile-first, tons neutros
======================================== */

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

:root {
  --color-black: #111111;
  --color-dark: #1a1a2e;
  --color-graphite: #2d2d3f;
  --color-gray: #6b7280;
  --color-silver: #9ca3af;
  --color-light: #e5e7eb;
  --color-off-white: #f3f4f6;
  --color-white: #ffffff;
  --color-accent: #00d4aa;
  --color-accent-dark: #00b894;
  --font-heading: 'Segoe UI', 'Arial', sans-serif;
  --font-body: 'Segoe UI', 'Arial', sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.15);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.2);
  --radius: 8px;
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-graphite);
  background-color: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul { list-style: none; }

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

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --- HEADER --- */
.site-header {
  background: var(--color-dark);
  padding: 16px 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
  transition: background var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.5px;
}

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

/* --- NAV / MENU --- */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  margin: 5px 0;
  transition: var(--transition);
}

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

.main-nav a {
  color: var(--color-silver);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.main-nav a:hover {
  color: var(--color-white);
}

.main-nav a:hover::after {
  width: 100%;
}

/* --- HERO --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, rgba(17,17,17,0.82) 0%, rgba(26,26,46,0.88) 100%), url('../images/hero-bg.jpg') center/cover no-repeat;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0,212,170,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,212,170,0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-label {
  display: inline-block;
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 20px;
  border: 1px solid rgba(0,212,170,0.3);
  padding: 6px 16px;
  border-radius: 50px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 24px;
}

.hero h1 .accent {
  color: var(--color-accent);
}

.hero p {
  font-size: 1.15rem;
  color: var(--color-silver);
  margin-bottom: 36px;
  max-width: 540px;
}

.btn {
  display: inline-block;
  padding: 14px 36px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--color-accent-dark);
  box-shadow: 0 4px 20px rgba(0,212,170,0.3);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 1px solid var(--color-gray);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- STATS --- */
.stats {
  background: var(--color-dark);
  padding: 60px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item h3 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.stat-item p {
  color: var(--color-silver);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- SECTIONS GENERAIS --- */
.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--color-off-white);
}

.section-darker {
  background: var(--color-dark);
  color: var(--color-white);
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-graphite);
  margin-bottom: 16px;
}

.section-darker .section-title h2 {
  color: var(--color-white);
}

.section-title p {
  color: var(--color-gray);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

.section-darker .section-title p {
  color: var(--color-silver);
}

/* --- SERVICES --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--color-white);
  padding: 40px 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid var(--color-light);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.service-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.5rem;
  color: var(--color-white);
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-graphite);
}

.service-card p {
  color: var(--color-gray);
  font-size: 0.95rem;
}

/* --- ABOUT --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-content h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-graphite);
}

.about-content p {
  color: var(--color-gray);
  margin-bottom: 16px;
}

.about-image {
  border-radius: var(--radius);
  height: 400px;
  overflow: hidden;
  border: 1px solid var(--color-light);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
}

/* --- BENEFITS --- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.benefit-card {
  display: flex;
  gap: 20px;
  padding: 30px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.08);
  transition: all var(--transition);
}

.benefit-card:hover {
  border-color: var(--color-accent);
  background: rgba(0,212,170,0.05);
}

.benefit-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: rgba(0,212,170,0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-accent);
}

.benefit-card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-white);
}

.benefit-card p {
  color: var(--color-silver);
  font-size: 0.9rem;
}

/* --- DO / DON'T --- */
.do-dont-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.do-box, .dont-box {
  padding: 40px;
  border-radius: var(--radius);
}

.do-box {
  background: rgba(0,212,170,0.06);
  border: 1px solid rgba(0,212,170,0.2);
}

.dont-box {
  background: rgba(239,68,68,0.04);
  border: 1px solid rgba(239,68,68,0.15);
}

.do-box h3 {
  color: var(--color-accent);
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.dont-box h3 {
  color: #ef4444;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.do-box li, .dont-box li {
  padding: 8px 0;
  color: var(--color-graphite);
  font-size: 0.95rem;
  padding-left: 24px;
  position: relative;
}

.do-box li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.dont-box li::before {
  content: '✕';
  position: absolute;
  left: 0;
  color: #ef4444;
  font-weight: 700;
}

/* --- TESTIMONIALS --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.testimonial-card {
  background: var(--color-white);
  padding: 36px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-light);
}

.testimonial-card p {
  color: var(--color-gray);
  font-style: italic;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.testimonial-author {
  font-weight: 600;
  color: var(--color-graphite);
  font-size: 0.9rem;
}

.testimonial-role {
  color: var(--color-silver);
  font-size: 0.8rem;
}

.testimonial-stars {
  color: #f59e0b;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

/* --- FAQ --- */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-light);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 24px 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-graphite);
  cursor: pointer;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-body);
}

.faq-question:hover {
  color: var(--color-accent-dark);
}

.faq-question .icon {
  font-size: 1.5rem;
  transition: transform var(--transition);
  color: var(--color-accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-answer.open {
  max-height: 300px;
  padding-bottom: 24px;
}

.faq-answer p {
  color: var(--color-gray);
  font-size: 0.95rem;
}

/* --- CTA SECTION --- */
.cta-section {
  background: linear-gradient(160deg, var(--color-dark), var(--color-black));
  padding: 100px 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--color-white);
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--color-silver);
  font-size: 1.05rem;
  max-width: 550px;
  margin: 0 auto 36px;
}

/* --- FOOTER --- */
.site-footer {
  background: var(--color-black);
  padding: 60px 0 30px;
  color: var(--color-silver);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  font-size: 1.3rem;
  margin-bottom: 16px;
  display: inline-block;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--color-gray);
  line-height: 1.8;
}

.footer-links h4,
.footer-contact h4 {
  color: var(--color-white);
  font-size: 0.95rem;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links a {
  display: block;
  color: var(--color-gray);
  padding: 5px 0;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-contact p {
  font-size: 0.88rem;
  color: var(--color-gray);
  padding: 3px 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-gray);
}

.footer-disclaimer {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--color-gray);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* --- WHATSAPP FLOAT --- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 56px;
  height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.4);
  transition: all var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37,211,102,0.5);
}

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

/* --- COOKIES POPUP --- */
.cookies-popup {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-dark);
  padding: 20px;
  z-index: 9999;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
  display: none;
}

.cookies-popup.show {
  display: block;
}

.cookies-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cookies-inner p {
  color: var(--color-silver);
  font-size: 0.88rem;
  flex: 1;
}

.cookies-inner a {
  color: var(--color-accent);
  text-decoration: underline;
}

.cookies-buttons {
  display: flex;
  gap: 12px;
}

.btn-cookies-accept {
  padding: 10px 24px;
  background: var(--color-accent);
  color: var(--color-dark);
  border: none;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  font-size: 0.88rem;
}

.btn-cookies-reject {
  padding: 10px 24px;
  background: transparent;
  color: var(--color-silver);
  border: 1px solid var(--color-gray);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.88rem;
}

/* --- PAGES (politica, termo) --- */
.page-content {
  padding: 120px 0 80px;
}

.page-content h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-graphite);
  margin-bottom: 32px;
}

.page-content h2 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-graphite);
  margin-top: 40px;
  margin-bottom: 16px;
}

.page-content p, .page-content li {
  color: var(--color-gray);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.page-content ul {
  padding-left: 20px;
  list-style: disc;
}

/* --- RESPONSIVE --- */
@media (max-width: 992px) {
  .services-grid,
  .testimonials-grid {
    grid-template-columns: 1fr 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-dark);
    padding: 80px 30px 30px;
    transition: right var(--transition);
    z-index: 999;
  }
  .main-nav.active {
    right: 0;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 20px;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .hero p {
    font-size: 1rem;
  }
  .services-grid,
  .testimonials-grid,
  .benefits-grid,
  .do-dont-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .section {
    padding: 60px 0;
  }
  .section-title h2 {
    font-size: 1.7rem;
  }
  .hero-buttons {
    flex-direction: column;
  }
  .cookies-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 1.7rem;
  }
}