/* ==========================================================================
   Pedi Nota - Landing Page
   Design system: amarelo + azul escuro (Pedi Nota), clean e foco em conversão
   ========================================================================== */

:root {
  /* Cores principais - identidade Pedi Nota */
  --color-primary: #1e3a5f;
  --color-accent: #f5b800;
  --color-accent-hover: #e0a800;
  --color-text: #1a1a1a;
  --color-text-muted: #5a5a5a;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fa;
  --color-bg-dark: #0f172a;
  --color-border: #e5e7eb;
  --color-whatsapp: #25d366;

  /* Tipografia */
  --font-sans: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Espaçamento e layout */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --container-max: 1100px;
  --header-height: 72px;

  /* Bordas e sombras */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);

  /* Transições */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;

  /* Safe area (notch, home indicator) */
  --safe-top: env(safe-area-inset-top, 0);
  --safe-right: env(safe-area-inset-right, 0);
  --safe-bottom: env(safe-area-inset-bottom, 0);
  --safe-left: env(safe-area-inset-left, 0);
}

/* Reset e base
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
  padding-bottom: var(--safe-bottom);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Acessibilidade: link para pular para o conteúdo
   ========================================================================== */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-sm);
  z-index: 100;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Header
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding-top: var(--safe-top);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.header__logo img {
  height: 48px;
  width: 48px;
  object-fit: contain;
}

.header__brand-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.header__brand-nota {
  color: var(--color-primary);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  font-weight: 500;
  color: var(--color-text);
}

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

.nav__link--cta {
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-accent);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-weight: 600;
}

.nav__link--cta:hover {
  background: var(--color-accent-hover);
  color: var(--color-primary);
}

/* Botão menu mobile (visível apenas em telas pequenas) */
.header__menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.header__menu-btn:hover {
  background: var(--color-bg-alt);
}

.header__menu-icon,
.header__menu-icon::before,
.header__menu-icon::after {
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: var(--transition-normal);
}

.header__menu-icon {
  position: relative;
}

.header__menu-icon::before,
.header__menu-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.header__menu-icon::before {
  top: -6px;
}

.header__menu-icon::after {
  top: 6px;
}

.header__menu-btn[aria-expanded="true"] .header__menu-icon {
  background: transparent;
}

.header__menu-btn[aria-expanded="true"] .header__menu-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.header__menu-btn[aria-expanded="true"] .header__menu-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Menu mobile */
.header__mobile {
  display: none;
  padding: var(--space-lg);
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.header__mobile.is-open {
  display: block;
}

.nav--mobile .nav__list {
  flex-direction: column;
  gap: 0;
  text-align: center;
}

.nav--mobile .nav__link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--space-sm) var(--space-md);
}

.nav--mobile .nav__link--cta {
  display: inline-flex;
  margin-top: var(--space-sm);
  min-height: 44px;
}

@media (max-width: 768px) {
  .nav:not(.nav--mobile) {
    display: none;
  }

  .header__menu-btn {
    display: flex;
  }
}

/* Container genérico
   ========================================================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: 640px;
  text-align: center;
}

/* Hero
   ========================================================================== */
.hero {
  padding: var(--space-3xl) var(--space-lg) var(--space-2xl);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
}

.hero__content {
  text-align: center;
}

.hero__title {
  margin: 0 0 var(--space-lg);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

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

.hero__subtitle {
  margin: 0 0 var(--space-xl);
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__logo {
  max-width: 240px;
  opacity: 0.95;
}

@media (min-width: 769px) {
  .hero {
    grid-template-columns: 1fr 1fr;
    padding: var(--space-3xl) var(--space-lg);
    text-align: left;
  }

  .hero__content {
    text-align: left;
  }

  .hero__subtitle {
    margin-left: 0;
    margin-right: 0;
  }

  .hero__logo {
    max-width: 280px;
  }
}

/* Botões
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: 44px;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.btn--lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.125rem;
}

.btn--whatsapp {
  background: var(--color-whatsapp);
  color: #fff;
}

.btn--whatsapp:hover {
  background: #20bd5a;
  color: #fff;
  transform: translateY(-1px);
}

.btn__icon {
  font-size: 1.25em;
}

/* Seções genéricas
   ========================================================================== */
.section {
  padding: var(--space-3xl) 0;
}

.section__title {
  margin: 0 0 var(--space-2xl);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
}

.section__title--light {
  color: #fff;
}

/* Benefícios
   ========================================================================== */
.section--benefits {
  background: var(--color-bg-alt);
}

.benefits {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin: 0;
}

.benefit {
  padding: var(--space-xl);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal);
}

.benefit:hover {
  box-shadow: var(--shadow-md);
}

.benefit__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
  background: rgba(245, 184, 0, 0.15);
  color: var(--color-primary);
  border-radius: var(--radius-md);
}

.benefit__title {
  margin: 0 0 var(--space-sm);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
}

.benefit__text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

@media (min-width: 640px) {
  .benefits {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .benefits {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Passos (como funciona)
   ========================================================================== */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin: 0 0 var(--space-2xl);
  counter-reset: step;
}

.step {
  position: relative;
  padding-left: 4rem;
  counter-increment: step;
}

.step__number {
  position: absolute;
  left: 0;
  top: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  color: white;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.step__number::after {
  content: counter(step);
}

.step__title {
  margin: 0 0 var(--space-sm);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
}

.step__text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.steps__cta {
  text-align: center;
}

@media (min-width: 640px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    padding-top: var(--space-md);
  }

  .step {
    padding-left: 0;
    padding-top: 3.5rem;
    text-align: center;
  }

  .step__number {
    left: 50%;
    top: 0;
    transform: translateX(-50%);
  }
}

/* Tabela de preço
   ========================================================================== */
.section--pricing {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2d4a6f 100%);
}

.section--pricing .section__title {
  color: #fff;
}

.container--pricing {
  max-width: 560px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.price-table-wrapper {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  margin-bottom: var(--space-xl);
}

.price-table-wrapper::-webkit-scrollbar {
  height: 6px;
}

.price-table-wrapper::-webkit-scrollbar-track {
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
}

.price-table-wrapper::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-sm);
}

.price-table {
  width: 100%;
  min-width: 280px;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.price-table th,
.price-table td {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
}

.price-table thead th {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 0.8125rem;
}

.price-table tbody tr {
  border-bottom: 1px solid var(--color-border);
}

.price-table tbody tr:last-child {
  border-bottom: none;
}

.price-table tbody tr:nth-child(even) {
  background: rgba(245, 184, 0, 0.06);
}

.price-table tbody td {
  color: var(--color-text);
}

.price-table th:last-child,
.price-table td:last-child {
  text-align: right;
}

.price-table tbody td:last-child {
  font-weight: 600;
  color: var(--color-primary);
}

.pricing__cta {
  text-align: center;
}

@media (min-width: 480px) {
  .price-table th,
  .price-table td {
    padding: var(--space-lg);
  }
}

/* CTA final
   ========================================================================== */
.section--cta {
  background: #1a222c;
  color: #fff;
}

.cta__text {
  margin: 0 0 var(--space-xl);
  font-size: 1.125rem;
  opacity: 0.95;
}

/* Footer
   ========================================================================== */
.footer {
  padding: var(--space-2xl) var(--space-lg);
  padding-bottom: calc(var(--space-2xl) + var(--safe-bottom));
  background: var(--color-bg);
  color: var(--color-text-muted);
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  text-align: center;
}

.footer__logo-pedi {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--space-sm);
  margin-bottom: var(--space-md);
}

.footer__logo-pedi img {
  height: 64px;
  width: auto;
  margin: 0 auto;
}

.footer__tagline {
  margin: 0 0 var(--space-lg);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.footer__resolve-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  text-align: center;
}

.footer__logo-resolve {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--space-sm);
  margin: 0 0 var(--space-sm);
}

.footer__logo-resolve img {
  height: 64px;
  width: auto;
  display: block;
  margin: 0 auto;
}

.footer__site-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9375rem;
  color: var(--color-primary);
  text-decoration: none;
}

.footer__site-link:hover {
  text-decoration: underline;
}

.footer__logo-resolve:hover img {
  opacity: 0.9;
}

.footer__copy {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  opacity: 0.9;
}

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

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

/* Preferência de movimento reduzido (acessibilidade)
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .skip-link {
    transition: none;
  }

  .btn:hover,
  .btn--primary:hover,
  .btn--whatsapp:hover {
    transform: none;
  }

  .header__menu-icon,
  .header__menu-icon::before,
  .header__menu-icon::after {
    transition: none;
  }

  .benefit {
    transition: none;
  }

  .benefit:hover {
    box-shadow: var(--shadow-sm);
  }
}