:root {
  color-scheme: dark;
  --bg: #0d0d0f;
  --surface: #161619;
  --surface-2: #1e1e22;
  --text: #ffffff;
  --text-soft: #b4b4bd;
  --text-muted: #8b8b97;
  --accent: #c9a227;
  --accent-soft: rgba(201,162,39,0.12);
  --border: rgba(255,255,255,0.10);
  --radius: 14px;
  --maxw: 1080px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 20px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(13, 13, 15, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.header__logo {
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 0.95rem;
  color: var(--text);
  text-decoration: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: 150ms;
  text-align: center;
}

.btn--primary {
  background: var(--accent);
  color: #0d0d0f;
}

.btn--primary:hover {
  background: #d8b030;
}

.btn--secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn--secondary:hover {
  background: var(--surface-2);
  border-color: rgba(255, 255, 255, 0.25);
}

.header__cta {
  padding: 0 18px;
  font-size: 0.875rem;
}

/* Sections */
.section {
  padding-block: 64px;
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
  text-wrap: balance;
}

/* Hero */
.hero {
  padding: 96px 0 72px;
  text-align: center;
}

.hero__eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.hero__title {
  font-size: clamp(2rem, 7vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 24px;
  max-width: 900px;
  margin-inline: auto;
}

.hero__text {
  color: var(--text-soft);
  max-width: 620px;
  margin-inline: auto;
  margin-bottom: 36px;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  margin-bottom: 20px;
}

.hero__actions .btn {
  width: 100%;
}

.hero__note {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Proof bar */
.proof {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding-block: 32px;
}

.proof__label {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  text-align: center;
  margin-bottom: 20px;
}

.proof__items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 24px;
  align-items: center;
  justify-items: center;
}

.proof__item {
  font-weight: 600;
  color: var(--text-soft);
  font-size: 1rem;
}

.proof__sep {
  display: none;
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}

.card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

.card__text {
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.6;
  flex: 1;
}

.card__price {
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 600;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* Services */
.services__title {
  text-align: center;
  margin-bottom: 40px;
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

/* Why us */
.why {
  background: var(--bg);
}

.why__title {
  text-align: center;
  margin-bottom: 24px;
}

.why__intro {
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.6;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: 40px;
  text-align: center;
}

.why__list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.why__item {
  border-left: 3px solid var(--accent);
  padding-left: 20px;
}

.why__item-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.why__item-text {
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.6;
}

/* Placements */
.placements {
  scroll-margin-top: 80px;
}

.placements__title {
  text-align: center;
  margin-bottom: 12px;
}

.placements__intro {
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
}

.placements__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.placement-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.placement-item__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.placement-item__desc {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

.placements__note {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-style: italic;
  margin-top: 24px;
  text-align: center;
}

/* How it works */
.how__title {
  text-align: center;
  margin-bottom: 48px;
}

.how__steps {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.how__step {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.how__num {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.how__step-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.how__step-text {
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.6;
}

/* Contact */
.contact {
  background: var(--surface);
  scroll-margin-top: 80px;
}

.contact__title {
  text-align: center;
  margin-bottom: 12px;
}

.contact__intro {
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.6;
  text-align: center;
  max-width: 580px;
  margin-inline: auto;
  margin-bottom: 40px;
}

.contact__form {
  max-width: 560px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-soft);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  font-family: inherit;
  font-size: 16px;
  min-height: 48px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
}

.form-input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 40px;
  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='%238b8b97' 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 14px center;
  cursor: pointer;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-erro {
  color: var(--accent);
  font-size: 0.875rem;
  margin-top: 4px;
}

.contact__submit {
  width: 100%;
  margin-top: 8px;
}

.contact__alt {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 24px;
}

.contact__alt a {
  color: var(--text-soft);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 150ms;
}

.contact__alt a:hover {
  color: var(--text);
}

/* Footer */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding-block: 40px;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer__line {
  line-height: 1.6;
}

.footer__line + .footer__line {
  margin-top: 6px;
}

/* Breakpoints */
@media (min-width: 640px) {
  .hero__actions {
    flex-direction: row;
    justify-content: center;
    width: auto;
  }

  .hero__actions .btn {
    width: auto;
  }
}

@media (min-width: 768px) {
  .section {
    padding-block: 96px;
  }

  .hero {
    padding: 128px 0 96px;
  }

  .proof {
    padding-block: 36px;
  }

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

  .proof__sep {
    display: inline;
    color: var(--text-muted);
  }

  .services__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .why__content {
    max-width: 760px;
    margin-inline: auto;
  }

  .placements__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .how__steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn {
    transition: none;
  }
}