/* ==========================================================================
   Cleisson Barreto — Investimentos
   Paleta: azul-marinho (autoridade) + dourado (premium) + grafite (texto)
   ========================================================================== */

:root {
  --navy-900: #0a1a33;
  --navy-800: #0f2647;
  --navy-700: #163461;
  --gold-500: #c9a24b;
  --gold-400: #d9bd74;
  --graphite-900: #1c2128;
  --graphite-600: #4b5563;
  --graphite-400: #8a93a1;
  --off-white: #f7f6f3;
  --white: #ffffff;
  --on-dark: #ffffff;
  --border: #e4e1d8;
  --success: #2f9e6e;
  --danger: #c0392b;

  --font-head: "Playfair Display", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --radius: 10px;
  --shadow-sm: 0 2px 8px rgba(10, 26, 51, 0.06);
  --shadow-md: 0 12px 32px rgba(10, 26, 51, 0.12);
  --container: 1160px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --off-white: #0b0f16;
    --white: #10151f;
    --graphite-900: #eef1f5;
    --graphite-600: #b7bfca;
    --graphite-400: #7c8794;
    --border: #232a37;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--graphite-900);
  background: var(--off-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.2; margin: 0 0 16px; color: var(--navy-900); }
@media (prefers-color-scheme: dark) { h1, h2, h3 { color: var(--graphite-900); } }
p { margin: 0 0 16px; color: var(--graphite-600); }

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

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--gold-500);
  margin-bottom: 10px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--gold {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
  color: var(--navy-900);
  box-shadow: var(--shadow-sm);
}
.btn--gold:hover { box-shadow: var(--shadow-md); }
.btn--ghost {
  background: transparent;
  color: var(--on-dark);
  border-color: rgba(255, 255, 255, 0.4);
}
.btn--ghost:hover { border-color: var(--on-dark); }
.btn--outline {
  background: transparent;
  color: var(--navy-800);
  border-color: var(--navy-800);
}
@media (prefers-color-scheme: dark) { .btn--outline { color: var(--graphite-900); border-color: var(--graphite-400); } }
.btn--outline:hover { background: var(--navy-800); color: var(--on-dark); }

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 246, 243, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
@media (prefers-color-scheme: dark) { .header { background: rgba(11, 15, 22, 0.9); } }
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand__mark {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--gold-400);
  font-family: var(--font-head);
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem;
}
.brand__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--navy-900);
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
@media (prefers-color-scheme: dark) { .brand__name { color: var(--graphite-900); } }
.brand__name small {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-500);
}
.nav { display: flex; align-items: center; gap: 32px; }
.nav a { font-weight: 500; font-size: 0.95rem; color: var(--graphite-600); }
.nav a:hover { color: var(--navy-900); }
@media (prefers-color-scheme: dark) { .nav a:hover { color: var(--graphite-900); } }
.nav__cta {
  background: var(--navy-900);
  color: var(--on-dark) !important;
  padding: 10px 20px;
  border-radius: 999px;
}
.nav__cta:hover { background: var(--navy-700); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--navy-900); border-radius: 2px; }
@media (prefers-color-scheme: dark) { .nav-toggle span { background: var(--graphite-900); } }

@media (max-width: 860px) {
  .nav {
    position: fixed;
    top: 76px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-150%);
    transition: transform 0.25s ease;
  }
  .nav.is-open { transform: translateY(0); }
  .nav-toggle { display: flex; }
}

/* Hero */
.hero {
  background: radial-gradient(circle at 20% 20%, var(--navy-700), var(--navy-900) 60%);
  color: var(--on-dark);
  padding: 96px 0 88px;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  color: var(--on-dark);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
}
.hero .eyebrow { color: var(--gold-400); }
.hero__lead { color: rgba(255,255,255,0.78); font-size: 1.05rem; max-width: 560px; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; margin: 32px 0 48px; }
.hero__stats { display: flex; gap: 40px; flex-wrap: wrap; }
.hero__stats strong { display: block; font-family: var(--font-head); font-size: 1.4rem; color: var(--gold-400); }
.hero__stats span { font-size: 0.85rem; color: rgba(255,255,255,0.65); }

.hero__card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(6px);
}
.hero__card-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
}
.hero__card-row:last-of-type { border-bottom: none; }
.hero__card-row .up { color: #6fd3a0; }
.hero__card-row .down { color: #e08b83; }
.hero__card-note { font-size: 0.72rem; color: rgba(255,255,255,0.45); margin: 12px 0 0; }

@media (max-width: 860px) {
  .hero { padding: 56px 0 64px; }
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__stats { flex-direction: column; align-items: flex-start; gap: 20px; }
}

/* Sobre */
.sobre { padding: 96px 0; }
.sobre__inner { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 56px; align-items: center; }
.sobre__frame {
  aspect-ratio: 4/5;
  width: 100%;
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--navy-800), var(--navy-900));
  border: 1px solid var(--border);
  object-fit: cover;
  object-position: top center;
  box-shadow: var(--shadow-md);
}
.sobre__list li {
  padding: 10px 0 10px 28px;
  position: relative;
  color: var(--graphite-600);
}
.sobre__list li::before {
  content: "✓";
  position: absolute; left: 0; top: 10px;
  color: var(--gold-500);
  font-weight: 700;
}
@media (max-width: 860px) {
  .sobre__inner { grid-template-columns: 1fr; }
  .sobre__frame { max-width: 320px; }
}

/* Section head */
.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section-head--left { margin: 0 0 40px; text-align: left; }
.section-lead { font-size: 1.05rem; }

/* Produtos */
.produtos { padding: 96px 0; background: var(--white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}
.card {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card--highlight {
  background: var(--navy-900);
  border-color: var(--navy-900);
  color: var(--on-dark);
}
.card--highlight h3, .card--highlight .card__desc, .card--highlight .card__price { color: var(--on-dark); }
.card--highlight .card__features li { color: rgba(255,255,255,0.78); }
.card--highlight .card__features li::before { color: var(--gold-400); }

.card__badge {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.card__badge--free { background: rgba(47,158,110,0.12); color: var(--success); }
.card__badge--premium { background: var(--gold-500); color: var(--navy-900); }
.card__badge--mentoria { background: rgba(22,52,97,0.1); color: var(--navy-700); }
@media (prefers-color-scheme: dark) {
  .card__badge--mentoria { background: rgba(159,184,224,0.16); color: #9fb8e0; }
}
.card--highlight .card__badge--premium { color: var(--navy-900); }

.card__desc { font-size: 0.95rem; }
.card__features { margin: 8px 0 28px; flex-grow: 1; }
.card__features li {
  padding: 8px 0 8px 26px;
  position: relative;
  font-size: 0.92rem;
  color: var(--graphite-600);
}
.card__features li::before {
  content: "✓";
  position: absolute; left: 0;
  color: var(--gold-500);
  font-weight: 700;
}
.card__price {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 20px;
}
.card__price span { font-family: var(--font-body); font-size: 0.85rem; font-weight: 400; color: var(--graphite-400); }
.card .btn { justify-content: center; width: 100%; }

@media (max-width: 980px) {
  .cards { grid-template-columns: 1fr; }
  .card--highlight { order: -1; }
}

/* Depoimentos */
.depoimentos { padding: 96px 0; }
.depo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.depo {
  margin: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.depo p { font-size: 0.98rem; color: var(--graphite-900); font-style: italic; }
@media (prefers-color-scheme: dark) { .depo p { color: var(--graphite-900); } }
.depo footer { display: flex; flex-direction: column; margin-top: 16px; }
.depo footer strong { font-size: 0.9rem; }
.depo footer span { font-size: 0.8rem; color: var(--gold-500); }
@media (max-width: 860px) { .depo-grid { grid-template-columns: 1fr; } }

/* FAQ */
.faq { padding: 96px 0; background: var(--white); border-top: 1px solid var(--border); }
.faq__inner { display: grid; grid-template-columns: 0.9fr 1.4fr; gap: 56px; }
.accordion__item { border-bottom: 1px solid var(--border); }
.accordion__trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 0;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy-900);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
@media (prefers-color-scheme: dark) { .accordion__trigger { color: var(--graphite-900); } }
.accordion__trigger::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--gold-500);
  transition: transform 0.2s ease;
}
.accordion__item.is-open .accordion__trigger::after { transform: rotate(45deg); }
.accordion__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.accordion__panel p { padding-bottom: 20px; margin: 0; }
@media (max-width: 860px) { .faq__inner { grid-template-columns: 1fr; } }

/* CTA final */
.cta-final { background: var(--navy-900); color: var(--on-dark); padding: 88px 0; text-align: center; }
.cta-final h2 { color: var(--on-dark); }
.cta-final p { color: rgba(255,255,255,0.75); }
.cta-final__inner { display: flex; flex-direction: column; align-items: center; }

@media (max-width: 860px) {
  .sobre, .produtos, .depoimentos, .faq { padding: 64px 0; }
  .cta-final { padding: 64px 0; }
  .section-head { margin-bottom: 40px; }
}

/* Footer */
.footer { background: var(--navy-900); color: rgba(255,255,255,0.6); padding: 40px 0 24px; }
.footer__inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; padding-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer__brand { color: var(--on-dark); }
.footer__note { font-size: 0.82rem; margin-top: 8px; max-width: 320px; }
.footer__links { display: flex; gap: 24px; }
.footer__links a:hover { color: var(--on-dark); }
.footer__copy { font-size: 0.78rem; padding-top: 20px; text-align: center; }