/* StretCat landing — CSS puro */
:root {
  --color01: #040f0d;
  --color02: #0d2b23;
  --color03: #244d3d;
  --color07: #16bb7b;

  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.7);
  --muted2: rgba(255, 255, 255, 0.55);
  --border: rgba(36, 77, 61, 0.4);

  --max: 1152px;
  --pad: 24px;
  --radius: 24px;
  --header-h: 64px;
  --section-y: clamp(64px, 8vw, 96px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--color01);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  padding-top: var(--header-h);
}

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

a {
  color: inherit;
}

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

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: 16px;
  top: 14px;
  width: auto;
  height: auto;
  padding: 10px 12px;
  z-index: 9999;
  background: rgba(4, 15, 13, 0.92);
  border: 1px solid var(--border);
  border-radius: 999px;
}

/* ─── Header ─── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(4, 15, 13, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand__logo {
  height: 28px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  border-radius: 8px;
}

.nav__links {
  display: none;
  align-items: center;
  gap: 22px;
}

.nav__links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
  transition: color 0.15s ease;
}

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

.nav__cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 20px;
  text-decoration: none;
  border: 1px solid rgba(22, 187, 123, 0.45);
  background: transparent;
  color: var(--text);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.18s ease, transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.btn:hover {
  transform: translateY(-2px);
  background: rgba(22, 187, 123, 0.10);
  border-color: rgba(22, 187, 123, 0.75);
  box-shadow: 0 6px 20px rgba(22, 187, 123, 0.12);
}

.btn--primary {
  background: var(--color07);
  border-color: var(--color07);
  color: var(--color01);
}

.btn--primary:hover {
  background: #13d68c;
  border-color: #13d68c;
  box-shadow: 0 6px 24px rgba(22, 187, 123, 0.35);
}

/* ─── Sections ─── */
.section {
  padding: var(--section-y) 0;
}

/* Hero */
.section--hero {
  position: relative;
  overflow: hidden;
  padding: clamp(52px, 7vw, 88px) 0 clamp(64px, 8vw, 96px);
  min-height: calc(100svh - var(--header-h));
  display: flex;
  align-items: center;
}

.section--hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -140px;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 187, 123, 0.11) 0%, transparent 68%);
  pointer-events: none;
}

.section--hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -100px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 187, 123, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.section--hero .container {
  position: relative;
  z-index: 1;
}

/* Features — alternate background */
#recursos {
  background: var(--color02);
}

/* Plans — subtle center glow */
#planos {
  position: relative;
  overflow: hidden;
}

#planos::before {
  content: '';
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(22, 187, 123, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

#planos .container {
  position: relative;
  z-index: 1;
}

.section__title {
  font-size: clamp(28px, 3.5vw, 42px);
  margin: 0 0 14px;
  letter-spacing: -0.025em;
  text-align: center;
}

.section__lead {
  margin: 0 auto 32px;
  color: var(--muted);
  max-width: 68ch;
  font-size: 17px;
  text-align: center;
  line-height: 1.65;
}

.section__cta {
  margin-top: 28px;
  text-align: center;
}

/* Kicker */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid rgba(22, 187, 123, 0.25);
  border-radius: 999px;
  background: rgba(22, 187, 123, 0.06);
  color: rgba(255, 255, 255, 0.85);
  font-weight: 700;
  font-size: 13px;
}

.kicker__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color07);
  box-shadow: 0 0 0 5px rgba(22, 187, 123, 0.2);
  flex-shrink: 0;
}

/* Hero layout */
.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.hero__title {
  font-size: clamp(42px, 6.5vw, 68px);
  line-height: 1.0;
  margin: 16px 0 12px;
  letter-spacing: -0.03em;
}

.hero__title strong {
  display: block;
  color: var(--color07);
  font-weight: 900;
}

.hero__desc {
  max-width: 54ch;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
  margin: 0 0 24px;
}

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

.note {
  color: var(--muted2);
  font-size: 13px;
}

.hero__media {
  display: flex;
  justify-content: center;
}

.hero__image {
  max-height: 460px;
  width: auto;
  filter: drop-shadow(0 24px 60px rgba(0, 0, 0, 0.6));
}

/* ─── Cards ─── */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.grid--narrow {
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.card {
  border-radius: var(--radius);
  border: 1px solid rgba(36, 77, 61, 0.8);
  background: var(--color02);
  padding: 32px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.card:not(.contact__card):hover {
  border-color: rgba(22, 187, 123, 0.5);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.card--premium {
  position: relative;
  border-color: rgba(22, 187, 123, 0.55);
  background:
    radial-gradient(700px 220px at 20% 0%, rgba(22, 187, 123, 0.16), transparent 55%),
    radial-gradient(520px 260px at 90% 40%, rgba(22, 187, 123, 0.09), transparent 60%),
    var(--color02);
}

.card--premium:hover {
  border-color: rgba(22, 187, 123, 0.85) !important;
  box-shadow: 0 16px 48px rgba(22, 187, 123, 0.15) !important;
}

.card__icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(22, 187, 123, 0.12);
  border: 1px solid rgba(22, 187, 123, 0.3);
  font-size: 22px;
}

.card__title {
  margin: 14px 0 6px;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.card__text {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

/* ─── List (plan features) ─── */
.list {
  list-style: none;
  margin: 0;
  padding: 0;
  color: rgba(255, 255, 255, 0.78);
}

.list li {
  position: relative;
  padding-left: 22px;
  margin: 10px 0;
  font-size: 15px;
}

.list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color07);
  font-weight: 800;
  font-size: 13px;
  line-height: 1.6;
}

/* ─── Plans ─── */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--color07);
  color: var(--color01);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge--floating {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
}

.price {
  font-size: 20px;
  font-weight: 900;
  margin: 6px 0 0;
  letter-spacing: -0.02em;
}

.plan-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.plan-name {
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--muted2);
}

.plan-plus {
  margin: 14px 0 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.plan-cta {
  margin-top: 20px;
}

.muted {
  color: var(--muted);
}

/* ─── Contact ─── */
.section--contact {
  padding-top: calc(var(--section-y) * 0.5);
}

.contact {
  display: flex;
  justify-content: center;
}

.contact__card {
  width: 100%;
  max-width: 860px;
  text-align: center;
}

.contact__title {
  margin: 0 0 12px;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.contact__text {
  margin: 0 auto 22px;
  max-width: 60ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.contact__actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ─── Legal ─── */
.section--legal {
  padding: 40px 0 32px;
  border-top: 1px solid var(--border);
}

.legal__updated {
  font-size: 11px;
  color: var(--muted2);
  margin: 0 0 20px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.legal__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.legal__item-title {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.5);
  margin: 0 0 5px;
}

.legal__item-body {
  font-size: 12px;
  color: var(--muted2);
  margin: 0;
  line-height: 1.65;
}

/* ─── Footer ─── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  color: var(--muted2);
  font-size: 13px;
}

.footer {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
  justify-content: space-between;
}

.footer a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.15s ease;
}

.footer a:hover {
  color: var(--color07);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* ─── Responsive ─── */
@media (min-width: 640px) {
  .legal__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 32px;
  }
}

@media (min-width: 1024px) {
  .nav__links {
    display: flex;
  }

  .hero {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }

  .grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .footer {
    flex-direction: row;
    align-items: center;
  }

  .legal__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto;
  }
  .btn,
  .card {
    transition: none;
  }
}