/* =========================================================
   SKIZZEE — DESIGN SYSTEM (CSS puro, sem frameworks)
   ========================================================= */

/* ---------- 1. DESIGN TOKENS ---------- */
:root {
  /* Cores base */
  --color-bg: #0a0a0a;
  --color-bg-secondary: #1a1a1a;
  --color-bg-elevated: #141414;
  --color-border: #2a2a2a;
  --color-border-strong: #3a3a3a;

  /* Texto */
  --color-text: #f3f4f6;
  --color-text-secondary: #9ca3af;
  --color-text-muted: #6b7280;

  /* Destaque — Azul Cobalto elegante */
  --color-accent: #2563eb;
  --color-accent-hover: #3b74ff;
  --color-accent-soft: rgba(37, 99, 235, 0.12);
  --color-accent-glow: rgba(37, 99, 235, 0.35);

  /* Tipografia */
  --font-display: "Plus Jakarta Sans", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;

  /* Espaçamento / layout */
  --container-width: 1180px;
  --container-narrow: 760px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  /* Transições */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease);
  --transition-base: 0.4s var(--ease);
  --transition-slow: 0.8s var(--ease);

  /* Sombra */
  --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.35);
  --shadow-accent: 0 10px 30px rgba(37, 99, 235, 0.25);
}

/* ---------- 2. RESET ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font: inherit;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

/* ---------- 3. LAYOUT HELPERS ---------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 24px;
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: 120px 0;
}

.section--alt {
  background: linear-gradient(
    180deg,
    var(--color-bg) 0%,
    var(--color-bg-secondary) 100%
  );
}

.section__head {
  max-width: 640px;
  margin-bottom: 56px;
}

.section__title {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  margin-top: 12px;
}

.section__subtitle {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  margin-top: 14px;
  max-width: 560px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent-glow);
}

.text-accent {
  color: var(--color-accent);
}

/* ---------- 4. BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-weight: 600;
  white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    background-color var(--transition-fast), border-color var(--transition-fast);
}

.btn--primary {
  background: var(--color-accent);
  color: #ffffff;
  box-shadow: var(--shadow-accent);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(37, 99, 235, 0.38);
}

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

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn--small {
  padding: 10px 18px;
  font-size: 0.88rem;
}

.btn--large {
  padding: 16px 30px;
  font-size: 1rem;
}

/* ---------- 5. HEADER ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 18px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  gap: 32px;
  margin-inline: auto;
}

.nav__link {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.header .btn--primary {
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ---------- 6. HERO ---------- */
.hero {
  position: relative;
  padding: 160px 0 120px;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  top: -220px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 620px;
  background: radial-gradient(
    ellipse at center,
    var(--color-accent-glow) 0%,
    rgba(37, 99, 235, 0.08) 45%,
    transparent 70%
  );
  filter: blur(10px);
  pointer-events: none;
  animation: pulse-glow 8s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%,
  100% {
    opacity: 0.7;
    transform: translateX(-50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translateX(-50%) scale(1.06);
  }
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
  text-align: left;
}

.hero__title {
  font-size: clamp(2.4rem, 5.2vw, 4rem);
  margin-top: 18px;
}

.hero__subtitle {
  color: var(--color-text-secondary);
  font-size: 1.15rem;
  max-width: 620px;
  margin-top: 22px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  margin-top: 38px;
  flex-wrap: wrap;
}

.hero__note {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---------- 7. PROBLEMA / SOLUÇÃO ---------- */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.compare-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.compare-card:hover {
  transform: translateY(-4px);
}

.compare-card--solution {
  border-color: rgba(37, 99, 235, 0.35);
  background: linear-gradient(
    160deg,
    rgba(37, 99, 235, 0.08),
    var(--color-bg-secondary) 55%
  );
}

.compare-card__title {
  font-size: 1.25rem;
  margin-bottom: 24px;
}

.compare-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.compare-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--color-text-secondary);
  font-size: 0.98rem;
  line-height: 1.5;
}

.compare-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 0.72rem;
  margin-top: 2px;
}

.compare-icon--bad {
  background: rgba(239, 68, 68, 0.12);
  color: #f87171;
}

.compare-icon--good {
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
}

/* ---------- 8. COMO FUNCIONA ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.step {
  padding: 32px 8px;
  border-top: 1px solid var(--color-border-strong);
  transition: border-color var(--transition-base);
}

.step:hover {
  border-color: var(--color-accent);
}

.step__number {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.step__title {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.step__text {
  color: var(--color-text-secondary);
  font-size: 0.96rem;
}

/* ---------- 9. PRICING ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: transform var(--transition-base), border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.price-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-strong);
}

.price-card--featured {
  background: linear-gradient(
    165deg,
    rgba(37, 99, 235, 0.14),
    var(--color-bg-secondary) 60%
  );
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent);
  transform: scale(1.03);
}

.price-card--featured:hover {
  transform: scale(1.03) translateY(-6px);
}

.price-card__badge {
  position: absolute;
  top: -14px;
  left: 32px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
}

.price-card__name {
  font-size: 1.15rem;
  font-weight: 700;
  font-family: var(--font-display);
}

.price-card__desc {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-top: 8px;
  min-height: 40px;
}

.price-card__price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 28px 0 26px;
}

.price-card__amount {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.price-card__period {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.price-card__setup-note {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px dashed var(--color-border-strong);
  cursor: help;
}

.price-card__features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
  flex-grow: 1;
}

.price-card__features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--color-text-secondary);
}

.price-card__features li::before {
  content: "✓";
  color: var(--color-accent-hover);
  font-weight: 700;
  flex-shrink: 0;
}

.price-card .btn {
  width: 100%;
  padding: 15px 24px;
  font-size: 0.98rem;
}

/* ---------- 10. FAQ / ACCORDION ---------- */
.accordion {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-border);
}

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 4px;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.accordion-trigger:hover {
  color: var(--color-accent-hover);
}

.accordion-icon {
  position: relative;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.accordion-icon::before,
.accordion-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--color-text-secondary);
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.accordion-icon::before {
  width: 12px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.accordion-icon::after {
  width: 2px;
  height: 12px;
  transform: translate(-50%, -50%);
}

.accordion-trigger[aria-expanded="true"] .accordion-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.accordion-trigger[aria-expanded="true"] .accordion-icon::before {
  background: var(--color-accent);
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), opacity var(--transition-base);
  opacity: 0;
}

.accordion-panel p {
  color: var(--color-text-secondary);
  font-size: 0.96rem;
  line-height: 1.7;
  padding: 0 4px 24px;
  max-width: 640px;
}

.accordion-item.is-open .accordion-panel {
  opacity: 1;
}

/* ---------- 11. CTA FINAL ---------- */
.cta-final {
  position: relative;
  padding: 130px 0;
  text-align: center;
  overflow: hidden;
  border-top: 1px solid var(--color-border);
}

.cta-final__glow {
  position: absolute;
  bottom: -260px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(
    ellipse at center,
    var(--color-accent-glow) 0%,
    transparent 70%
  );
  filter: blur(10px);
  pointer-events: none;
}

.cta-final__inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin-inline: auto;
}

.cta-final__title {
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
}

.cta-final__subtitle {
  color: var(--color-text-secondary);
  margin-top: 16px;
  margin-bottom: 34px;
}

/* ---------- 12. FOOTER ---------- */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding-top: 64px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer__tagline {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-top: 12px;
  max-width: 260px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__links a,
.footer__contact a {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  transition: color var(--transition-fast);
}

.footer__links a:hover,
.footer__contact a:hover {
  color: var(--color-accent-hover);
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding: 24px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

/* ---------- 13. SCROLL ANIMATIONS ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 14. RESPONSIVE ---------- */
@media (max-width: 900px) {
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .price-card--featured {
    transform: none;
    order: -1;
  }

  .price-card--featured:hover {
    transform: translateY(-6px);
  }

  .footer__inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .nav,
  .header .btn--primary {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav.is-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 20px 24px;
    gap: 18px;
  }

  .section {
    padding: 80px 0;
  }

  .hero {
    padding: 120px 0 80px;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }
}