/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --obc-green:    #1CFF9E;
  --obc-blue:     #0086FF;
  --obc-salmon:   #FF8B80;
  --obc-navy:     #1B415E;
  --obc-dark:     #243837;
  --obc-offwhite: #F5F4EF;
  --obc-black:    #111111;

  --font-display: 'Figtree', sans-serif;
  --font-body:    'Figtree', sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-pill: 999px;

  --shadow-card: 0 4px 24px rgba(27,65,94,0.10);
  --transition: 0.2s ease;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--obc-offwhite);
  color: var(--obc-black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--obc-blue);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  z-index: 9999;
  transition: top var(--transition);
}
.skip-link:focus { top: 1rem; }

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--obc-navy);
  padding: 0.5rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 16px rgba(0,0,0,0.18);
}

.site-header .logo { height: 112px; width: auto; }

.site-nav { display: flex; gap: 1.5rem; align-items: center; }
.site-nav a {
  color: rgba(255,255,255,0.82);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: color var(--transition);
}
.site-nav a:hover { color: #fff; }
.site-nav .btn-nav {
  background: var(--obc-blue);
  color: #fff;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.875rem;
  transition: opacity var(--transition);
}
.site-nav .btn-nav:hover { opacity: 0.88; }

/* ===== HERO ===== */
.hero {
  position: relative;
  background:
    linear-gradient(
      160deg,
      rgba(27, 65, 94, 0.82) 0%,
      rgba(36, 56, 55, 0.78) 100%
    ),
    url('assets/hero-bg.jpg.png') center / cover no-repeat;
  overflow: hidden;
  padding: 5rem 1.5rem 4rem;
  text-align: center;
}

.hero-grafismo {
  position: absolute;
  pointer-events: none;
  opacity: 0.18;
}
.hero-grafismo--left  { left: -60px; top: 20%; width: 280px; }
.hero-grafismo--right { right: -60px; bottom: 10%; width: 320px; transform: rotate(30deg); }

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255,255,255,0.12);
  border: 1.5px solid rgba(255,255,255,0.35);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.5rem;
}
.hero-badge::before {
  content: '';
  width: 7px;
  height: 7px;
  background: var(--obc-blue);
  border-radius: 50%;
  opacity: 1;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.12;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero h1 em {
  font-style: normal;
  color: var(--obc-blue);
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.78);
  max-width: 580px;
  margin: 0 auto 2.5rem;
  line-height: 1.65;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--obc-blue);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,134,255,0.40);
}
.btn-primary:active { transform: translateY(0); }

/* ===== SOBRE ===== */
.sobre {
  background: #fff;
  padding: 5rem 1.5rem;
  text-align: center;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  font-weight: 700;
  color: var(--obc-navy);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.sobre-lead {
  font-size: 1.1rem;
  color: #444;
  max-width: 680px;
  margin: 0 auto 3.5rem;
  line-height: 1.7;
}

.sobre-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.sobre-card {
  background: var(--obc-offwhite);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  text-align: left;
  border-left: 4px solid var(--obc-blue);
}

.sobre-card-icon {
  width: 44px;
  height: 44px;
  background: var(--obc-navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.sobre-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--obc-navy);
  margin-bottom: 0.5rem;
}

.sobre-card p {
  color: #555;
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ===== PÚBLICOS ===== */
.publicos {
  background: var(--obc-offwhite);
  padding: 5rem 1.5rem;
  text-align: center;
}

.publicos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 1080px;
  margin: 2.5rem auto 0;
}

.publico-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 2.25rem 2rem;
  text-align: left;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.publico-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(27,65,94,0.14);
}

.publico-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--obc-navy);
  background: var(--obc-offwhite);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  width: fit-content;
}

.publico-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--obc-navy);
}

.publico-card p {
  color: #555;
  font-size: 0.95rem;
  line-height: 1.65;
  flex: 1;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  color: var(--obc-navy);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  border: 2px solid var(--obc-navy);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  width: fit-content;
}
.btn-outline:hover {
  background: var(--obc-navy);
  color: #fff;
}

/* ===== FORMULÁRIO ===== */
.inscricao {
  background: var(--obc-navy);
  padding: 5rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.inscricao-grafismo {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.08;
  pointer-events: none;
  width: 400px;
}

.inscricao-inner {
  position: relative;
  z-index: 2;
  max-width: 560px;
  margin: 0 auto;
}

.inscricao .section-title { color: #fff; }

.inscricao-subtitle {
  color: rgba(255,255,255,0.72);
  margin-bottom: 2.5rem;
  font-size: 1rem;
}

.form-obc {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
}

.form-group input,
.form-group select {
  background: rgba(255,255,255,0.10);
  border: 1.5px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: #fff;
  transition: border-color var(--transition), background var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.form-group select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.6)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.9rem center; padding-right: 2.5rem; }

.form-group input::placeholder { color: rgba(255,255,255,0.45); }

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--obc-blue);
  background: rgba(255,255,255,0.15);
}

.form-group input.invalid,
.form-group select.invalid { border-color: var(--obc-salmon); }

.form-group select option { background: var(--obc-navy); color: #fff; }

.form-lgpd {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-top: 0.25rem;
}

.form-lgpd input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  accent-color: var(--obc-blue);
  margin-top: 2px;
  cursor: pointer;
}

.form-lgpd label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.5;
  font-weight: 400;
}

.form-lgpd a {
  color: rgba(255,255,255,0.9);
  text-decoration: underline;
}

.form-obc .btn-primary {
  margin-top: 0.5rem;
  width: 100%;
  justify-content: center;
  font-size: 1.05rem;
  padding: 1rem;
}

.form-feedback {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  display: none;
}
.form-feedback.success {
  display: block;
  background: rgba(0,134,255,0.15);
  border: 1.5px solid var(--obc-blue);
  color: #fff;
}
.form-feedback.error {
  display: block;
  background: rgba(255,139,128,0.15);
  border: 1.5px solid var(--obc-salmon);
  color: var(--obc-salmon);
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--obc-dark);
  padding: 3rem 1.5rem;
  text-align: center;
}

.footer-logo { height: 36px; margin: 0 auto 1.25rem; }

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255,255,255,0.55);
  font-size: 0.85rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: #fff; }

.footer-realizacao {
  color: rgba(255,255,255,0.45);
  font-size: 0.82rem;
  margin-bottom: 0.5rem;
}

.footer-copy {
  color: rgba(255,255,255,0.3);
  font-size: 0.78rem;
}

/* ===== RESPONSIVE ===== */
@media (min-width: 480px) {
  .sobre-card { text-align: center; }
  .sobre-card-icon { margin: 0 auto 1rem; }
}

@media (min-width: 768px) {
  .sobre-grid { grid-template-columns: repeat(3, 1fr); }
  .publicos-grid { grid-template-columns: repeat(3, 1fr); }

  .hero { padding: 7rem 2rem 5.5rem; }

  .site-header { padding: 1rem 2.5rem; }
}

@media (min-width: 1200px) {
  .site-header { padding: 1rem 4rem; }
  .hero { padding: 8rem 2rem 7rem; }
  .sobre, .publicos, .inscricao { padding: 6rem 2rem; }
}

/* ===== UTILITIES ===== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ===== LOADING STATE ===== */
.btn-primary[disabled] {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none !important;
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}