/* ============================================================
   CSS CUSTOM PROPERTIES — Design System Dharma Tecnologia
   ============================================================ */

:root {
  /* Paleta */
  --color-bg:             #080808;
  --color-surface-1:      #0a0a0a;
  --color-surface-2:      #111111;
  --color-border-green:   #1a2a1a;
  --color-border-neutral: #2a2a2a;
  --color-accent:         #00c96e;
  --color-alert:          #d4820a;
  --color-text-primary:   #f0f0f0;
  --color-text-secondary: #888888;
  --color-text-muted:     #444444;

  /* Tipografia */
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Espaçamento */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --container-max: 1200px;
  --nav-height:    64px;

  /* Bordas */
  --border-subtle: 0.5px solid var(--color-border-neutral);
  --border-green:  1px solid var(--color-border-green);

  /* Transições */
  --transition-base: 0.2s ease;
}

/* ============================================================
   RESET
   ============================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-bg);
}

body {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

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

/* ============================================================
   TIPOGRAFIA BASE
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-text-primary);
  line-height: 1.2;
}

p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============================================================
   LAYOUT
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-4xl) 0;
}

/* ============================================================
   NAV
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 100;
  background: rgba(8, 8, 8, 0.80);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 0.5px solid transparent;
  transition: border-color var(--transition-base);
  display: flex;
  align-items: center;
}

.nav.scrolled {
  border-bottom-color: var(--color-border-neutral);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

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

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

.nav__link {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
  white-space: nowrap;
}

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

.nav__link.active {
  color: var(--color-accent);
}

.nav__lang {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: var(--space-lg);
  padding-left: var(--space-lg);
  border-left: 0.5px solid var(--color-border-neutral);
}

.lang-switcher {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  transition: color var(--transition-base);
  letter-spacing: 0.05em;
}

.lang-switcher.active,
.lang-switcher:hover {
  color: var(--color-accent);
}

/* Hamburguer */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: var(--space-sm);
  width: 36px;
  height: 36px;
}

.nav__hamburger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-text-primary);
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

.nav__hamburger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Menu mobile */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-surface-1);
  border-bottom: var(--border-subtle);
  padding: var(--space-lg);
  flex-direction: column;
  gap: var(--space-xs);
  z-index: 99;
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile .nav__link {
  font-size: 0.9375rem;
  padding: var(--space-sm) 0;
  border-bottom: 0.5px solid var(--color-border-neutral);
}

.nav__mobile .nav__link:last-of-type {
  border-bottom: none;
}

.nav__mobile .nav__lang {
  margin-left: 0;
  padding-left: 0;
  border-left: none;
  margin-top: var(--space-sm);
}

/* ============================================================
   BOTÕES
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 3px;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}

.btn--primary {
  background: var(--color-accent);
  color: #080808;
  font-weight: 700;
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background: #00e07a;
  border-color: #00e07a;
}

.btn--ghost {
  background: transparent;
  border-color: var(--color-border-neutral);
  color: var(--color-text-secondary);
}

.btn--ghost:hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text-primary);
}

/* ============================================================
   RÓTULOS DE SEÇÃO
   ============================================================ */

.section-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-sm);
  display: block;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--color-text-primary);
  margin-bottom: 0;
  letter-spacing: -0.02em;
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
}

#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

main {
  position: relative;
  z-index: 1;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero__tag {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-lg);
  display: block;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  color: var(--color-text-primary);
  line-height: 1.08;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.03em;
}

.hero__subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-2xl);
  max-width: 560px;
}

.hero__ctas {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ============================================================
   GRID DE SERVIÇOS
   ============================================================ */

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border-green);
  border: 1px solid var(--color-border-green);
  border-radius: 6px;
  overflow: hidden;
  margin-top: var(--space-2xl);
}

.service-card {
  background: var(--color-surface-1);
  padding: var(--space-2xl);
  transition: background var(--transition-base);
}

.service-card:hover {
  background: var(--color-surface-2);
}

.service-card__icon {
  width: 36px;
  height: 36px;
  margin-bottom: var(--space-lg);
  color: var(--color-accent);
  flex-shrink: 0;
}

.service-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.service-card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ============================================================
   CARD FRAUDTALON
   ============================================================ */

.product-card {
  background: #0d0d0d;
  border: 1px solid var(--color-border-green);
  border-radius: 6px;
  padding: var(--space-2xl) var(--space-3xl);
  margin-top: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.product-card__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: rgba(212, 130, 10, 0.08);
  border: 1px solid rgba(212, 130, 10, 0.25);
  color: var(--color-alert);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  padding: 0.25rem 0.75rem;
  border-radius: 2px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  width: fit-content;
}

.product-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  color: var(--color-text-primary);
  letter-spacing: -0.03em;
}

.product-card__desc {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 620px;
  line-height: 1.75;
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-top: var(--space-sm);
}

.product-card__pills {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.pill {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-text-secondary);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-neutral);
  padding: 0.2rem 0.65rem;
  border-radius: 2px;
  letter-spacing: 0.03em;
}

/* ============================================================
   POR QUE A DHARMA
   ============================================================ */

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.why-item {
  padding: var(--space-xl);
  border: var(--border-green);
  border-radius: 4px;
  background: var(--color-surface-1);
}

.why-item__number {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  display: block;
  letter-spacing: 0.05em;
}

.why-item__text {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ============================================================
   BLOG CARDS (homepage)
   ============================================================ */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.blog-card {
  background: var(--color-surface-1);
  border: var(--border-green);
  border-radius: 4px;
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: border-color var(--transition-base);
  cursor: pointer;
}

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

.blog-card__date {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
}

.blog-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text-primary);
  line-height: 1.4;
  flex: 1;
  margin: 0;
}

.blog-card__link {
  font-size: 0.8125rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-top: var(--space-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  transition: gap var(--transition-base);
}

.blog-card:hover .blog-card__link {
  gap: var(--space-sm);
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  border-top: 0.5px solid var(--color-border-neutral);
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--color-text-primary);
}

.footer__tagline {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

.footer__link {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
}

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

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

.footer__social a {
  color: var(--color-text-muted);
  transition: color var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.footer__bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 0.5px solid var(--color-border-neutral);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ============================================================
   CONTEÚDO — posts e páginas internas
   ============================================================ */

.content-wrapper {
  max-width: 740px;
  margin: 0 auto;
  padding: calc(var(--nav-height) + var(--space-3xl)) var(--space-lg) var(--space-4xl);
}

.content-wrapper h1 {
  font-size: clamp(1.875rem, 4vw, 2.625rem);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.content-wrapper h2 {
  font-size: 1.5rem;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.content-wrapper h3 {
  font-size: 1.1875rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.content-wrapper p {
  margin-bottom: var(--space-lg);
  font-size: 1.0625rem;
  line-height: 1.8;
}

.content-wrapper ul {
  list-style: disc;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.content-wrapper ol {
  list-style: decimal;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.content-wrapper li {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.content-wrapper strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

.content-wrapper a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.content-wrapper blockquote {
  border-left: 2px solid var(--color-accent);
  padding-left: var(--space-lg);
  margin: var(--space-xl) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.content-wrapper code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-surface-2);
  padding: 0.15em 0.4em;
  border-radius: 2px;
  color: var(--color-accent);
}

.content-wrapper pre {
  background: var(--color-surface-2);
  border: var(--border-subtle);
  border-radius: 4px;
  padding: var(--space-lg);
  overflow-x: auto;
  margin-bottom: var(--space-lg);
}

.content-wrapper pre code {
  background: none;
  padding: 0;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.content-wrapper img {
  border-radius: 4px;
  margin: var(--space-xl) auto;
}

.post-meta {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  margin-bottom: var(--space-2xl);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
  flex-wrap: wrap;
  padding-bottom: var(--space-xl);
  border-bottom: var(--border-subtle);
}

.post-tags {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-2xl);
  padding-top: var(--space-2xl);
  border-top: var(--border-subtle);
}

/* ============================================================
   LISTA DE POSTS (página /blogs)
   ============================================================ */

.page-header {
  padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-2xl);
}

.page-header__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.posts-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--color-border-green);
  border: 1px solid var(--color-border-green);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: var(--space-4xl);
}

.post-item {
  background: var(--color-surface-1);
  padding: var(--space-xl) var(--space-2xl);
  display: flex;
  align-items: baseline;
  gap: var(--space-xl);
  transition: background var(--transition-base);
}

.post-item:hover {
  background: var(--color-surface-2);
}

.post-item__date {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
  min-width: 80px;
  letter-spacing: 0.03em;
}

.post-item__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  transition: color var(--transition-base);
}

.post-item:hover .post-item__title {
  color: var(--color-accent);
}

/* ============================================================
   ANIMAÇÃO FADE-IN (Intersection Observer)
   ============================================================ */

.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

/* ============================================================
   RESPONSIVO
   ============================================================ */

@media (max-width: 768px) {
  :root {
    --space-4xl: 4rem;
    --space-3xl: 3rem;
  }

  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

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

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

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

  .product-card {
    padding: var(--space-xl);
  }

  .product-card__footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer__inner {
    flex-direction: column;
    gap: var(--space-xl);
  }

  .footer__links {
    gap: var(--space-lg);
  }

  .post-item {
    flex-direction: column;
    gap: var(--space-xs);
  }

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

@media (min-width: 769px) and (max-width: 1024px) {
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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