/* --- Variables --- */
:root {
  --color-primary: #125dce;
  --color-primary-light: #b5ebfc;
  --color-primary-dark: #0d47a1;
  --color-text: #1a1a1a;
  --color-text-muted: #5a5a5a;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f9fc;
  --color-border: #e0e8f0;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-display: 'Outfit', 'DM Sans', system-ui, sans-serif;
  --container-max: 1100px;
  --header-height: 72px;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(18, 93, 206, 0.08);
  --shadow-lg: 0 12px 40px rgba(18, 93, 206, 0.12);
}

/* --- Reset & base --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; margin: 0 0 var(--space-md); line-height: 1.2; }
h1 { font-size: clamp(1.75rem, 5vw, 2.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2rem); }
h3 { font-size: 1.15rem; }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

@media (min-width: 640px) {
  .container { padding: 0 var(--space-xl); }
}

/* --- Header --- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  min-height: var(--header-height);
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
}
.logo-link:hover { text-decoration: none; color: var(--color-primary); }
.logo-img { flex-shrink: 0; }

.nav {
  display: none;
  align-items: center;
  gap: var(--space-xl);
}
.nav a {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav a:hover { color: var(--color-primary); }

@media (min-width: 900px) {
  .nav { display: flex; }
  .menu-toggle { display: none; }
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: var(--radius);
}
.menu-toggle span {
  display: block;
  height: 2px;
  width: 22px;
  background: var(--color-text);
  border-radius: 1px;
}

.nav-mobile {
  padding: var(--space-lg);
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.nav-mobile[hidden] { display: none; }
.nav-mobile a {
  font-weight: 500;
  color: var(--color-text);
}
.nav-mobile .btn { text-align: center; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  text-decoration: none;
}

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
}

/* --- Hero --- */
.hero {
  padding: var(--space-3xl) 0;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 60%);
}

.hero-inner {
  display: grid;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-content { max-width: 36rem; }
.hero h1 { margin-bottom: var(--space-lg); }
.hero-lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-xl);
  line-height: 1.65;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-md); }

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-logo {
  filter: drop-shadow(var(--shadow-lg));
}

@media (min-width: 768px) {
  .hero-inner { grid-template-columns: 1fr auto; }
  .hero { padding: var(--space-3xl) 0 4rem; }
}

/* --- Sections --- */
.section {
  padding: var(--space-3xl) 0;
}
.section:nth-child(even) { background: var(--color-bg-alt); }

.section-lead {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 42rem;
  margin: 0 0 var(--space-2xl);
  line-height: 1.65;
}

/* --- About --- */
.about .section-lead { margin-bottom: 0; }

/* --- Features grid --- */
.feature-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
}

.feature-card {
  background: var(--color-bg);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, border-color 0.2s;
}
.feature-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.feature-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: var(--space-md);
}
.feature-card h3 { margin-bottom: var(--space-sm); }
.feature-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- Tilly --- */
.tilly-benefits {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-xl);
}
.tilly-benefits li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text-muted);
}
.tilly-benefits li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.tilly-note {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin: 0;
  max-width: 42rem;
  line-height: 1.65;
}

/* --- PRO --- */
.pro-grid {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-xl);
  max-width: 36rem;
}
.pro-grid li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
  line-height: 1.5;
}
.pro-check {
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
}
.pro-legal {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
  max-width: 36rem;
}

/* --- Testimonials --- */
.testimonial-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
}

.testimonial-card {
  background: var(--color-bg);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}
.testimonial-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.testimonial-text {
  margin: 0 0 var(--space-md);
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}
.testimonial-author {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* --- CTA --- */
.cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  text-align: center;
}
.cta h2, .cta p { color: #fff; }
.cta p { opacity: 0.95; margin: 0 0 var(--space-lg); }
.cta-inner { padding: var(--space-3xl) var(--space-lg); }
.cta-logo {
  margin: 0 auto var(--space-lg);
  filter: brightness(0) invert(1);
  opacity: 0.9;
}
.cta .btn-primary {
  background: #fff;
  color: var(--color-primary);
}
.cta .btn-primary:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  text-decoration: none;
}

/* --- Footer --- */
.footer {
  padding: var(--space-2xl) 0;
  background: var(--color-text);
  color: #fff;
  text-align: center;
}
.footer a { color: var(--color-primary-light); }
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 600;
  margin-bottom: var(--space-md);
}
.footer-tagline {
  margin: 0 0 var(--space-sm);
  opacity: 0.9;
  font-size: 0.95rem;
}
.footer-links {
  margin: 0 0 var(--space-sm);
  font-size: 0.9rem;
}
.footer-legal {
  margin: 0;
  font-size: 0.85rem;
  opacity: 0.7;
}

/* --- Página Termos / Política de Publicidade --- */
.page-termos {
  padding: var(--space-2xl) 0 var(--space-3xl);
  min-height: 60vh;
}

.termos-header {
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.termos-header h1 {
  margin-bottom: var(--space-sm);
}

.termos-intro {
  margin: 0;
  font-size: 1rem;
  color: var(--color-text-muted);
}

.termos-content {
  max-width: 42rem;
}

.termos-block {
  margin-bottom: var(--space-2xl);
}

.termos-block h2 {
  font-size: 1.2rem;
  margin-bottom: var(--space-md);
  color: var(--color-primary-dark);
}

.termos-block p {
  margin: 0 0 var(--space-md);
  color: var(--color-text);
  line-height: 1.65;
}

.termos-block p:last-child {
  margin-bottom: 0;
}

.termos-block ul {
  margin: 0 0 var(--space-md);
  padding-left: 1.25rem;
  color: var(--color-text);
  line-height: 1.65;
}

.termos-block ul li {
  margin-bottom: var(--space-sm);
}

.termos-block ul:last-child {
  margin-bottom: 0;
}

.termos-back {
  margin: var(--space-2xl) 0 0;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.termos-back a {
  font-weight: 500;
}