/* ==========================================================================
   Wagner Santos Leal — Main Stylesheet
   ========================================================================== */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f7f9fc;
  --color-text: #1f2937;
  --color-muted: #6b7280;
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-accent: #14b8a6;
  --color-border: #e5e7eb;
  --color-card: #ffffff;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 6px 18px rgba(15, 23, 42, .08);
  --shadow-lg: 0 20px 40px rgba(15, 23, 42, .12);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --container: 1180px;
  --transition: .25s ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', 'Poppins', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }
h1,h2,h3,h4 { font-family: 'Poppins','Inter',sans-serif; line-height: 1.2; margin: 0 0 .6em; color: #0f172a; }
h1 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }
p  { margin: 0 0 1rem; color: #374151; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn-primary { background: var(--color-primary); color:#fff; box-shadow: var(--shadow-md); }
.btn-primary:hover { background: var(--color-primary-dark); color:#fff; transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.7); }
.btn-outline:hover { background: #fff; color: var(--color-primary); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner { display:flex; align-items:center; justify-content:space-between; padding: 16px 0; }
.site-branding a { font-family:'Poppins',sans-serif; font-weight:700; font-size:1.15rem; color:#0f172a; }
.site-branding span { color: var(--color-primary); }
.main-nav ul { list-style:none; display:flex; gap:28px; margin:0; padding:0; }
.main-nav a { color:#1f2937; font-weight:500; font-size:.95rem; }
.main-nav a:hover { color: var(--color-primary); }
.menu-toggle { display:none; background:none; border:none; cursor:pointer; padding:8px; }
.menu-toggle span { display:block; width:26px; height:2px; background:#0f172a; margin:6px 0; transition: var(--transition); }

/* Hero */
.hero {
  position: relative;
  padding: 110px 0 120px;
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #14b8a6 100%);
  color:#fff;
  overflow:hidden;
}
.hero::before {
  content:""; position:absolute; inset:0;
  background-image: radial-gradient(circle at 20% 30%, rgba(255,255,255,.15), transparent 40%),
                    radial-gradient(circle at 80% 70%, rgba(255,255,255,.1), transparent 40%);
}
.hero .container { position:relative; text-align:center; max-width: 820px; }
.hero h1 { color:#fff; }
.hero p.lead { font-size: 1.15rem; opacity:.92; margin: 0 auto 32px; max-width: 640px; }
.hero-cta { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* Sections */
section { padding: 90px 0; }
.section-head { text-align:center; max-width:680px; margin: 0 auto 56px; }
.section-head .eyebrow {
  display:inline-block; font-size:.8rem; font-weight:600; letter-spacing:.12em;
  text-transform:uppercase; color: var(--color-primary); margin-bottom: 12px;
}
.section-head p { color: var(--color-muted); font-size: 1.05rem; }
.bg-alt { background: var(--color-bg-alt); }

/* Cards / Grid */
.grid { display:grid; gap:28px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card .icon {
  width:54px; height:54px; border-radius: var(--radius-sm);
  display:flex; align-items:center; justify-content:center;
  background: linear-gradient(135deg, #dbeafe, #ccfbf1);
  color: var(--color-primary); font-size:1.6rem; margin-bottom: 18px;
}

/* About */
.about-grid { display:grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items:center; }
.about-highlights { list-style:none; padding:0; margin: 24px 0 0; }
.about-highlights li {
  display:flex; gap:14px; align-items:flex-start; padding: 10px 0;
}
.about-highlights .check {
  flex-shrink:0; width:28px; height:28px; border-radius:50%;
  background: #dcfce7; color:#16a34a; display:flex; align-items:center; justify-content:center; font-weight:700;
}

/* Testimonials */
.testimonial {
  background:#fff; border-radius:var(--radius-md); padding: 32px;
  box-shadow: var(--shadow-sm); border:1px solid var(--color-border);
}
.testimonial p { font-style: italic; color:#374151; }
.testimonial .author { display:flex; align-items:center; gap:14px; margin-top:18px; }
.testimonial .avatar {
  width:48px; height:48px; border-radius:50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color:#fff; display:flex; align-items:center; justify-content:center; font-weight:700;
}
.testimonial .name { font-weight:600; color:#0f172a; }
.testimonial .role { font-size:.85rem; color: var(--color-muted); }

/* Pricing */
.pricing-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.price-card {
  background:#fff; border-radius: var(--radius-md); padding: 36px 28px;
  border:1px solid var(--color-border); text-align:center; transition: var(--transition);
}
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.price-card.featured {
  background: linear-gradient(160deg, #2563eb, #1d4ed8); color:#fff; border:none;
  transform: scale(1.04); box-shadow: var(--shadow-lg);
}
.price-card.featured h3, .price-card.featured .price { color:#fff; }
.price-card .price { font-size: 2.6rem; font-weight:700; margin: 16px 0; color:#0f172a; }
.price-card ul { list-style:none; padding:0; margin: 20px 0 28px; text-align:left; }
.price-card li { padding: 8px 0; border-bottom: 1px dashed rgba(0,0,0,.08); font-size:.95rem; }
.price-card.featured li { border-color: rgba(255,255,255,.2); }
.price-card .badge { display:inline-block; background:#fbbf24; color:#0f172a; padding:4px 12px; border-radius:999px; font-size:.75rem; font-weight:700; margin-bottom: 8px;}

/* Contact */
.contact-grid { display:grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.contact-info p { display:flex; gap:12px; align-items:flex-start; }
.contact-info .ico {
  width:40px; height:40px; border-radius:10px; flex-shrink:0;
  background: #eff6ff; color: var(--color-primary);
  display:flex; align-items:center; justify-content:center; font-size:1.1rem;
}
.contact-form input, .contact-form textarea {
  width:100%; padding: 14px 16px; border:1px solid var(--color-border);
  border-radius: var(--radius-sm); font: inherit; margin-bottom: 14px; background:#fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.contact-form input:focus, .contact-form textarea:focus {
  outline:none; border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(37,99,235,.12);
}
.contact-form textarea { min-height: 140px; resize: vertical; }
.form-message { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size:.95rem; }
.form-message.success { background:#dcfce7; color:#166534; }
.form-message.error   { background:#fee2e2; color:#991b1b; }

/* Footer */
.site-footer { background:#0f172a; color:#cbd5e1; padding: 70px 0 24px; }
.footer-grid { display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap:40px; margin-bottom: 40px; }
.site-footer h4 { color:#fff; font-size:1rem; margin-bottom: 18px; }
.site-footer a { color:#cbd5e1; }
.site-footer a:hover { color:#fff; }
.site-footer ul { list-style:none; padding:0; margin:0; }
.site-footer li { padding: 6px 0; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding-top:20px;
  text-align:center; font-size:.875rem; color:#94a3b8;
}

/* Page / Single / Archive */
.page-header { padding: 80px 0 40px; background: var(--color-bg-alt); text-align:center; }
.page-content { padding: 60px 0 90px; }
.entry { max-width: 800px; margin: 0 auto; }
.entry img { border-radius: var(--radius-md); margin: 24px 0; }
.post-card {
  background:#fff; border-radius: var(--radius-md); overflow:hidden;
  border:1px solid var(--color-border); transition: var(--transition);
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.post-card .thumb { aspect-ratio: 16/9; background:#e5e7eb; }
.post-card .body { padding: 22px; }
.post-card h3 { margin-bottom: 8px; }
.post-card .meta { font-size:.85rem; color: var(--color-muted); margin-bottom: 8px; }

/* 404 */
.error-404 { text-align:center; padding: 120px 0; }
.error-404 .code { font-size: 7rem; font-weight: 800; color: var(--color-primary); line-height:1; }

/* Animations */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 960px) {
  .grid-3, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .price-card.featured { transform: none; }
}
@media (max-width: 720px) {
  .menu-toggle { display:block; }
  .main-nav {
    position: absolute; top:100%; left:0; right:0;
    background:#fff; border-bottom: 1px solid var(--color-border);
    max-height: 0; overflow: hidden; transition: max-height .3s ease;
  }
  .main-nav.open { max-height: 500px; }
  .main-nav ul { flex-direction: column; padding: 16px 24px; gap: 4px; }
  .main-nav li { padding: 10px 0; border-bottom: 1px solid var(--color-border); }
  .main-nav li:last-child { border-bottom: none; }
  .grid-3, .grid-2, .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  section { padding: 60px 0; }
  .hero { padding: 80px 0 90px; }
}