/* ProfessorCansado — Landing Page
   style.css */

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

:root {
  --azul-escuro:   #0D1B2A;
  --azul-medio:    #1E3A8A;
  --azul-primario: #2563EB;
  --verde:         #10B981;
  --verde-claro:   #22C55E;
  --fundo:         #0D1B2A;
  --fundo-card:    #111E2E;
  --fundo-card2:   #162032;
  --borda:         rgba(255,255,255,0.08);
  --branco:        #FFFFFF;
  --texto-muted:   rgba(255,255,255,0.55);
  --fonte:         'Poppins', sans-serif;
  --radius:        16px;
  --radius-sm:     10px;
  --transicao:     0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--fonte);
  background: var(--fundo);
  color: var(--branco);
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─────────────────────────────
   UTILITÁRIOS
───────────────────────────── */
.grad {
  background: linear-gradient(90deg, var(--verde), var(--azul-primario));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 1px solid rgba(16,185,129,0.3);
  color: var(--verde);
  background: rgba(16,185,129,0.08);
  margin-bottom: 20px;
}

.tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--verde);
}

/* ─────────────────────────────
   BOTÕES
───────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-family: var(--fonte);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transicao);
  white-space: nowrap;
}

.btn-primario {
  background: linear-gradient(135deg, var(--verde), var(--azul-primario));
  color: var(--branco);
  box-shadow: 0 4px 20px rgba(16,185,129,0.25);
}

.btn-primario:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(16,185,129,0.4);
}

.btn-outline {
  background: transparent;
  color: var(--branco);
  border: 1.5px solid rgba(255,255,255,0.2);
}

.btn-outline:hover {
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.05);
  transform: translateY(-2px);
}

.btn-verde {
  background: var(--verde);
  color: var(--branco);
  box-shadow: 0 4px 20px rgba(16,185,129,0.3);
}

.btn-verde:hover {
  background: var(--verde-claro);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(16,185,129,0.4);
}

/* ─────────────────────────────
   NAVBAR
───────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(13,27,42,0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--borda);
  transition: background var(--transicao);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  display: flex;
  align-items: center;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.navbar__logo span { color: var(--verde); }

.navbar__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.navbar__links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--texto-muted);
  transition: color var(--transicao);
  position: relative;
}

.navbar__links a:hover { color: var(--branco); }

.navbar__links a.ativo {
  color: var(--branco);
}

.navbar__links a.ativo::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--verde), var(--azul-primario));
  border-radius: 2px;
}

.navbar__cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navbar__menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.navbar__menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--branco);
  border-radius: 2px;
  transition: all var(--transicao);
}

/* ─────────────────────────────
   HERO
───────────────────────────── */
.hero {
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(16,185,129,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__titulo {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.hero__subtitulo {
  font-size: 17px;
  color: var(--texto-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 420px;
}

.hero__acoes {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero__social-proof {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero__avatares {
  display: flex;
}

.hero__avatares img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--fundo);
  margin-left: -10px;
  object-fit: cover;
}

.hero__avatares img:first-child { margin-left: 0; }

.hero__social-texto {
  font-size: 13px;
  color: var(--texto-muted);
}

.hero__social-texto strong {
  color: var(--branco);
  display: block;
}

.hero__estrelas {
  color: #FBBF24;
  font-size: 14px;
  letter-spacing: 1px;
}

/* Mockups no hero */
.hero__mockups {
  position: relative;
  height: 440px;
}

.mockup-card {
  position: absolute;
  background: var(--fundo-card);
  border: 1px solid var(--borda);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.mockup-card--entregaja {
  top: 0;
  right: 0;
  width: 340px;
  animation: floatUp 4s ease-in-out infinite;
}

.mockup-card--notaja {
  bottom: 40px;
  left: 0;
  width: 300px;
  animation: floatDown 4s ease-in-out infinite;
}

@keyframes floatUp {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

@keyframes floatDown {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(10px); }
}

.mockup__header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--borda);
}

.mockup__logo {
  font-size: 13px;
  font-weight: 700;
}

.mockup__logo span { color: var(--verde); }

.mockup__colunas {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.mockup__coluna-titulo {
  font-size: 9px;
  font-weight: 700;
  color: var(--texto-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.mockup__coluna-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.mockup__card-mini {
  background: var(--fundo-card2);
  border-radius: 6px;
  padding: 8px;
  margin-bottom: 6px;
  border: 1px solid var(--borda);
}

.mockup__card-mini p {
  font-size: 9px;
  color: rgba(255,255,255,0.8);
  line-height: 1.4;
  margin-bottom: 6px;
}

.mockup__card-mini-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mockup__tag-grupo {
  font-size: 8px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(37,99,235,0.25);
  color: #93C5FD;
}

.mockup__avatar-mini {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--verde), var(--azul-primario));
  font-size: 7px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

/* Mockup NotaJá */
.mockup__tabela {
  width: 100%;
}

.mockup__tabela-header {
  display: grid;
  grid-template-columns: 1fr repeat(3, 48px);
  gap: 4px;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--borda);
}

.mockup__tabela-header span {
  font-size: 9px;
  font-weight: 700;
  color: var(--texto-muted);
  text-transform: uppercase;
}

.mockup__tabela-row {
  display: grid;
  grid-template-columns: 1fr repeat(3, 48px);
  gap: 4px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  align-items: center;
}

.mockup__tabela-row span {
  font-size: 10px;
  color: rgba(255,255,255,0.75);
}

.mockup__tabela-row .nota {
  font-size: 11px;
  font-weight: 600;
  text-align: center;
}

.nota-alta  { color: var(--verde); }
.nota-media { color: #FBBF24; }
.nota-baixa { color: #F87171; }

.mockup__media-box {
  margin-top: 12px;
  padding: 10px;
  background: var(--fundo-card2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mockup__media-box span {
  font-size: 10px;
  color: var(--texto-muted);
}

.mockup__media-valor {
  font-size: 22px;
  font-weight: 800;
  background: linear-gradient(90deg, var(--verde), var(--azul-primario));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─────────────────────────────
   SEÇÃO DOR
───────────────────────────── */
.secao-dor {
  padding: 80px 0;
  text-align: center;
  border-top: 1px solid var(--borda);
  border-bottom: 1px solid var(--borda);
  position: relative;
  overflow: hidden;
}

.secao-dor::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(37,99,235,0.05) 0%, transparent 100%);
  pointer-events: none;
}

.secao-dor__titulo {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 12px;
}

.secao-dor__sub {
  font-size: 18px;
  color: var(--texto-muted);
  margin-bottom: 8px;
}

.secao-dor__detalhe {
  font-size: 17px;
  color: var(--texto-muted);
}

.secao-dor__detalhe a {
  color: var(--verde);
  font-weight: 600;
}

/* ─────────────────────────────
   FERRAMENTAS
───────────────────────────── */
.secao-ferramentas {
  padding: 100px 0;
}

.secao__label {
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--verde);
  margin-bottom: 16px;
}

.secao__titulo {
  text-align: center;
  font-size: 36px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 60px;
}

.ferramentas__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.ferramenta-card {
  background: var(--fundo-card);
  border: 1px solid var(--borda);
  border-radius: var(--radius);
  padding: 36px;
  transition: all var(--transicao);
  position: relative;
  overflow: hidden;
}

.ferramenta-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--verde), var(--azul-primario));
  opacity: 0;
  transition: opacity var(--transicao);
}

.ferramenta-card:hover {
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

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

.ferramenta-card__icone {
  height: 100px;
  margin-bottom: 20px;
}

.ferramenta-card__icone img {
  height: 100px;
  width: auto;
  object-fit: contain;
}

.ferramenta-card__icone-placeholder {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(37,99,235,0.3), rgba(16,185,129,0.3));
  border: 1px solid var(--borda);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 20px;
}

.ferramenta-card__icone-placeholder span { color: var(--verde); }
.ferramenta-card__icone-placeholder span.azul { color: var(--azul-primario); }

.ferramenta-card__nome {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.ferramenta-card__nome span { color: var(--verde); }

.ferramenta-card__desc {
  font-size: 15px;
  color: var(--texto-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}

.ferramenta-card__lista {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}

.ferramenta-card__lista li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.8);
}

.ferramenta-card__lista li::before {
  content: '';
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(16,185,129,0.15);
  border: 1px solid rgba(16,185,129,0.3);
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2310B981' stroke-width='3'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* ─────────────────────────────
   COMO FUNCIONA
───────────────────────────── */
.secao-como {
  padding: 100px 0;
  border-top: 1px solid var(--borda);
}

.como__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.como__grid::before {
  content: '';
  position: absolute;
  top: 32px;
  left: calc(16.66% + 16px);
  right: calc(16.66% + 16px);
  height: 1px;
  background: linear-gradient(90deg, var(--verde), var(--azul-primario));
  opacity: 0.3;
}

.como__item {
  text-align: center;
  position: relative;
}

.como__numero {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--fundo-card);
  border: 2px solid rgba(37,99,235,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--azul-primario);
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
}

.como__item-titulo {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.como__item-desc {
  font-size: 14px;
  color: var(--texto-muted);
  line-height: 1.6;
}

.como__icone {
  font-size: 28px;
  margin-bottom: 12px;
}

/* ─────────────────────────────
   SOBRE
───────────────────────────── */
.secao-sobre {
  padding: 100px 0;
  border-top: 1px solid var(--borda);
}

.sobre__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.sobre__imagem {
  position: relative;
}

.sobre__imagem-wrapper {
  position: relative;
  display: inline-block;
}

.sobre__imagem-wrapper img {
  width: 340px;
  height: 400px;
  object-fit: contain;
  border-radius: var(--radius);
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 20px 40px rgba(16,185,129,0.2));
}

.sobre__imagem-bg {
  position: absolute;
  inset: -20px;
  background: linear-gradient(135deg, rgba(37,99,235,0.15), rgba(16,185,129,0.1));
  border-radius: var(--radius);
  z-index: 0;
}

.sobre__conteudo .tag { margin-bottom: 16px; }

.sobre__titulo {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.sobre__texto {
  font-size: 16px;
  color: var(--texto-muted);
  line-height: 1.8;
  margin-bottom: 12px;
}

.sobre__assinatura {
  margin-top: 28px;
  font-size: 18px;
  font-weight: 700;
}

.sobre__assinatura span { color: var(--verde); }

/* ─────────────────────────────
   QUOTE
───────────────────────────── */
.secao-quote {
  padding: 80px 0;
  border-top: 1px solid var(--borda);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.secao-quote::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(16,185,129,0.05) 0%,
    rgba(37,99,235,0.05) 100%);
  pointer-events: none;
}

.quote__aspas {
  font-size: 80px;
  line-height: 0.5;
  color: var(--verde);
  opacity: 0.4;
  font-family: Georgia, serif;
  margin-bottom: 24px;
}

.quote__texto {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.4;
  max-width: 700px;
  margin: 0 auto;
  letter-spacing: -0.5px;
}

/* ─────────────────────────────
   CTA FINAL
───────────────────────────── */
.secao-cta {
  padding: 100px 0;
  border-top: 1px solid var(--borda);
}

.cta__box {
  background: var(--fundo-card);
  border: 1px solid var(--borda);
  border-radius: 24px;
  padding: 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta__box::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(16,185,129,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta__titulo {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.cta__sub {
  font-size: 17px;
  color: var(--texto-muted);
  margin-bottom: 36px;
}

.cta__acoes {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.cta__nota {
  font-size: 13px;
  color: var(--texto-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.cta__nota::before {
  content: '🔒';
  font-size: 12px;
}

/* ─────────────────────────────
   FOOTER
───────────────────────────── */
.footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--borda);
}

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

.footer__logo {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer__logo span { color: var(--verde); }

.footer__desc {
  font-size: 14px;
  color: var(--texto-muted);
  line-height: 1.7;
  max-width: 240px;
}

.footer__coluna-titulo {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--texto-muted);
  margin-bottom: 16px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: color var(--transicao);
}

.footer__links a:hover { color: var(--branco); }

.footer__social {
  display: flex;
  gap: 12px;
  margin-top: 4px;
}

.footer__social a {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--fundo-card);
  border: 1px solid var(--borda);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  transition: all var(--transicao);
}

.footer__social a:hover {
  border-color: var(--verde);
  background: rgba(16,185,129,0.1);
  transform: translateY(-2px);
}

.footer__bottom {
  padding-top: 24px;
  border-top: 1px solid var(--borda);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--texto-muted);
}

/* ─────────────────────────────
   RESPONSIVO
───────────────────────────── */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero__mockups   { display: none; }
  .hero__titulo    { font-size: 38px; }

  .ferramentas__grid { grid-template-columns: 1fr; }
  .como__grid        { grid-template-columns: 1fr; }
  .sobre__grid       { grid-template-columns: 1fr; }
  .footer__grid      { grid-template-columns: 1fr 1fr; }

  .como__grid::before { display: none; }

  .navbar__links { display: none; }
  .navbar__menu-toggle { display: flex; }

  .cta__box { padding: 40px 24px; }
  .cta__titulo { font-size: 28px; }

  .secao-dor__titulo { font-size: 28px; }
  .quote__texto      { font-size: 24px; }
}

@media (max-width: 600px) {
  .hero__titulo { font-size: 30px; }
  .hero__acoes  { flex-direction: column; align-items: flex-start; }
  .footer__grid { grid-template-columns: 1fr; }
  .navbar__cta .btn { display: none; }
}