/* =============================================
   Plusites - SaaS / Website Builder Styles
   Paleta: Azul Royal #2563eb, Ciano #06b6d4, Branco
   Google Fonts: Inter (headings) + DM Sans (body)
   Mobile-First Design
   ============================================= */

:root {
  --color-primary: #2563eb;
  --color-secondary: #06b6d4;
  --color-accent: #0891b2;
  --color-dark: #0f172a;
  --color-light: #f0f9ff;
  --color-white: #ffffff;
  --color-gray: #64748b;
  --color-gray-light: #f1f5f9;
  --color-gradient-start: #2563eb;
  --color-gradient-end: #06b6d4;
  --font-heading: 'Inter', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --shadow-sm: 0 1px 3px rgba(37,99,235,0.08);
  --shadow-md: 0 4px 16px rgba(37,99,235,0.12);
  --shadow-lg: 0 12px 40px rgba(37,99,235,0.18);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 24px;
  --radius-pill: 100px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-dark);
  background: var(--color-white);
  line-height: 1.75;
  overflow-x: hidden;
}

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

ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* --- HEADER --- */
.site-header {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(37,99,235,0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
  padding: 2rem 1.5rem;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1001;
}

.nav-menu.active { right: 0; }

.nav-menu li { margin-bottom: 1rem; }

.nav-menu a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-dark);
  padding: 0.4rem 0;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transition: width 0.3s ease;
  border-radius: 1px;
}

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

.nav-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--color-dark);
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.5rem;
}

.hamburger span {
  width: 24px;
  height: 2.5px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(15,23,42,0.4);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1000;
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* --- HERO --- */
.hero {
  background: linear-gradient(160deg, #eff6ff 0%, #f0f9ff 40%, #e0f2fe 100%);
  padding: 3rem 1rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 10%;
  right: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6,182,212,0.12), transparent 70%);
  border-radius: 50%;
  animation: orbit 10s linear infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 5%;
  left: -5%;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(37,99,235,0.1), transparent 70%);
  border-radius: 50%;
}

@keyframes orbit {
  0% { transform: rotate(0deg) translateX(20px); }
  100% { transform: rotate(360deg) translateX(20px); }
}

.hero-content {
  max-width: 850px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-dark);
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .subtitle {
  font-size: 1.05rem;
  color: var(--color-gray);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.hero-content p {
  font-size: 0.98rem;
  color: var(--color-gray);
  line-height: 1.8;
  margin-bottom: 1rem;
}

/* --- SECTIONS --- */
.section {
  padding: 2.5rem 1rem;
}

.section-alt {
  background: var(--color-gray-light);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-dark);
  text-align: center;
  margin-bottom: 1.5rem;
  letter-spacing: -0.3px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

/* --- FEATURE CARDS --- */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.feature-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border: 1px solid rgba(37,99,235,0.08);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.feature-card:hover::before { opacity: 1; }

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-dark);
  margin-bottom: 0.6rem;
}

.feature-card p {
  color: var(--color-gray);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* --- ICON CIRCLE --- */
.icon-circle {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

/* --- STEPS / WORKFLOW --- */
.workflow-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.workflow-step {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  border: 1px solid rgba(37,99,235,0.06);
}

.step-number {
  min-width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  color: var(--color-white);
}

.workflow-step h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--color-dark);
  margin-bottom: 0.4rem;
}

.workflow-step p {
  font-size: 0.9rem;
  color: var(--color-gray);
  line-height: 1.6;
}

/* --- CTA --- */
.btn {
  display: inline-block;
  padding: 0.8rem 1.75rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37,99,235,0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-ghost:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* --- CTA SECTION --- */
.cta-section {
  background: linear-gradient(160deg, var(--color-dark) 0%, #1e3a5f 100%);
  color: var(--color-white);
  padding: 3rem 1rem;
  text-align: center;
}

.cta-section h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.cta-section p {
  font-size: 0.98rem;
  opacity: 0.85;
  max-width: 550px;
  margin: 0 auto 1.5rem;
  line-height: 1.7;
}

/* --- AUTHORITY --- */
.authority-section {
  padding: 2rem 1rem;
  background: var(--color-gray-light);
}

.authority-section h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  text-align: center;
  color: var(--color-gray);
  margin-bottom: 1rem;
}

.authority-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  max-width: 800px;
  margin: 0 auto;
}

.authority-links a {
  display: inline-block;
  padding: 0.45rem 1rem;
  background: var(--color-white);
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  color: var(--color-gray);
  border: 1px solid rgba(37,99,235,0.1);
  transition: var(--transition);
}

.authority-links a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* --- FOOTER --- */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.75);
  padding: 2rem 1rem 1.5rem;
}

.footer-content {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.footer-content p {
  font-size: 0.88rem;
  margin-bottom: 0.5rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin: 1rem 0;
}

.footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

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

.footer-authority {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.footer-authority a {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
}

.footer-authority a:hover { color: var(--color-secondary); }

.footer-copy {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
}

/* --- WHATSAPP --- */
.whatsapp-btn {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 56px;
  height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(37,211,102,0.4);
  z-index: 999;
  transition: var(--transition);
  animation: pulse-wa 2s infinite;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
}

.whatsapp-btn svg {
  width: 28px;
  height: 28px;
  fill: var(--color-white);
}

@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 4px 15px rgba(37,211,102,0.4); }
  50% { box-shadow: 0 4px 25px rgba(37,211,102,0.6); }
}

/* --- SITEMAP --- */
.sitemap-page {
  padding: 2rem 1rem;
  min-height: 70vh;
}

.sitemap-page h1 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 2rem;
  text-align: center;
}

.sitemap-list {
  max-width: 600px;
  margin: 0 auto;
}

.sitemap-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-gray-light);
}

.sitemap-list a {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-dark);
}

.sitemap-list a:hover { color: var(--color-primary); }

/* --- TABLET 768px --- */
@media (min-width: 768px) {
  .hero { padding: 4.5rem 2rem; }
  .hero h1 { font-size: 2.8rem; }
  .section { padding: 3.5rem 2rem; }
  .section-title { font-size: 2rem; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow-steps { grid-template-columns: repeat(2, 1fr); }

  .hamburger { display: none; }
  .nav-menu {
    position: static;
    flex-direction: row;
    width: auto;
    height: auto;
    background: transparent;
    box-shadow: none;
    padding: 0;
    gap: 1.5rem;
  }
  .nav-close { display: none; }
  .nav-overlay { display: none; }
}

/* --- DESKTOP 1024px --- */
@media (min-width: 1024px) {
  .hero h1 { font-size: 3.2rem; }
  .features-grid { grid-template-columns: repeat(3, 1fr); }
  .workflow-steps { grid-template-columns: repeat(4, 1fr); }
  .header-container { padding: 1rem 2rem; }
}