/* ============================================================
   COLD SITES — style.css (base compartilhada)
   Tokens, reset, header, footer, botões e componentes globais.
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  /* Paleta "noite polar" */
  --noite:        #050a18;   /* fundo base */
  --noite-2:      #070e22;   /* fundo alternado de seção */
  --navy:         #0c1530;   /* superfície de card */
  --navy-2:       #111c42;   /* superfície elevada */
  --gelo:         #eaf2ff;   /* texto principal */
  --neblina:      #9bacd4;   /* texto secundário */
  --neblina-2:    #6b7ba6;   /* texto terciário / legendas */
  --azul:         #2f54ff;   /* azul elétrico (ação) */
  --azul-claro:   #5379ff;
  --azul-escuro:  #1d34c4;
  --glacial:      #8fd8ff;   /* ciano glacial — usar em doses pequenas */

  --linha:        rgba(124, 150, 255, .14);
  --linha-forte:  rgba(124, 150, 255, .30);
  --brilho-azul:  rgba(38, 58, 255, .45);

  /* Tipografia */
  --fonte-display: "Archivo", "Segoe UI", sans-serif;
  --fonte-corpo:   "Archivo", "Segoe UI", sans-serif;
  --fonte-marca:   "Michroma", "Archivo", sans-serif;

  /* Medidas */
  --container:    1160px;
  --radius:       18px;
  --radius-sm:    12px;
  --header-h:     76px;

  --ease-saida:   cubic-bezier(.22, 1, .36, 1);
  --ease-mola:    cubic-bezier(.34, 1.56, .64, 1);
}

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

* { margin: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--noite);
  color: var(--gelo);
  font-family: var(--fonte-corpo);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

a { color: inherit; }

::selection { background: rgba(47, 84, 255, .55); color: #fff; }

/* Barra de rolagem discreta */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--noite); }
::-webkit-scrollbar-thumb { background: #1a2752; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: #24356e; }

/* Foco visível para teclado */
:focus-visible {
  outline: 2px solid var(--glacial);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Tipografia ---------- */
h1, h2, h3 {
  font-family: var(--fonte-display);
  font-weight: 600;
  font-stretch: 118%;
  letter-spacing: -.015em;
  line-height: 1.08;
  text-wrap: balance;
}

h1 { font-size: clamp(2.5rem, 6.2vw, 4.5rem); }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }

p { text-wrap: pretty; }

.lead {
  color: var(--neblina);
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  line-height: 1.7;
  max-width: 58ch;
}

/* Rótulo da marca (estilo do logo) */
.eyebrow {
  font-family: var(--fonte-marca);
  font-size: 11px;
  letter-spacing: .42em;
  text-transform: uppercase;
  color: var(--glacial);
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--glacial));
  flex: none;
}

.eyebrow--center::after {
  content: "";
  width: 26px;
  height: 1px;
  background: linear-gradient(to left, transparent, var(--glacial));
  flex: none;
}

/* ---------- Layout ---------- */
.container {
  width: min(var(--container), 100% - 48px);
  margin-inline: auto;
}

.section { padding-block: clamp(76px, 10vw, 132px); }

.section--alt { background: var(--noite-2); }

.section-head {
  max-width: 720px;
  margin-bottom: clamp(40px, 6vw, 72px);
  display: grid;
  gap: 18px;
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
  justify-items: center;
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .01em;
  line-height: 1;
  padding: 17px 30px;
  border-radius: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: transform .25s var(--ease-saida), box-shadow .25s var(--ease-saida),
              background-color .25s, border-color .25s;
}

.btn:active { transform: translateY(1px) scale(.99); }

.btn-primary {
  color: #fff;
  background: linear-gradient(to top, #2342e8, #3d63ff);
  border: 1px solid #4f74ff;
  box-shadow:
    0 10px 30px -8px var(--brilho-azul),
    inset 0 1px 0 rgba(255, 255, 255, .22);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 18px 44px -10px rgba(38, 58, 255, .6),
    inset 0 1px 0 rgba(255, 255, 255, .25);
}

.btn-ghost {
  color: var(--gelo);
  background: rgba(13, 22, 48, .55);
  border: 1px solid var(--linha-forte);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  transform: translateY(-2px);
  border-color: rgba(143, 216, 255, .55);
  background: rgba(20, 33, 70, .7);
}

.btn-sm { padding: 13px 22px; font-size: 14px; border-radius: 12px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  transition: background-color .35s, border-color .35s, backdrop-filter .35s;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(5, 10, 24, .78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--linha);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Lockup da marca */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--gelo);
}

.brand-mark { width: 40px; height: 25px; color: var(--gelo); flex: none; }

/* Logo em imagem (arquivo em assets/logo.png) */
.brand-logo { height: 50px; width: auto; flex: none; }

.footer-brand .brand-logo { height: 64px; }

.brand-name {
  font-family: var(--fonte-marca);
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-name b {
  font-weight: 400;
  font-size: 14.5px;
  letter-spacing: .2em;
}

.brand-name small {
  font-size: 7.5px;
  letter-spacing: .58em;
  color: var(--neblina);
}

/* Navegação desktop */
.site-nav { display: flex; gap: 26px; }

.nav-link {
  position: relative;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--neblina);
  text-decoration: none;
  padding: 6px 0;
  white-space: nowrap;
  transition: color .25s;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 2px;
  background: linear-gradient(to right, var(--azul), var(--glacial));
  border-radius: 2px;
  transition: right .3s var(--ease-saida);
}

.nav-link:hover { color: var(--gelo); }

.nav-link:hover::after,
.nav-link.is-active::after { right: 0; }

.nav-link.is-active { color: var(--gelo); }

.header-actions { display: flex; align-items: center; gap: 14px; }

/* Hambúrguer */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--linha);
  background: rgba(13, 22, 48, .55);
}

.nav-burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--gelo);
  border-radius: 2px;
  transition: transform .3s var(--ease-saida), opacity .2s;
}

/* Menu mobile */
.mobile-menu {
  position: fixed;
  inset: var(--header-h) 0 0;
  background: rgba(5, 10, 24, .96);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 36px 24px;
}

.mobile-menu a.nav-link {
  font-size: 26px;
  font-family: var(--fonte-display);
  font-stretch: 112%;
  font-weight: 600;
  color: var(--gelo);
  padding: 14px 6px;
  border-bottom: 1px solid var(--linha);
  opacity: 0;
  transform: translateY(14px);
}

.mobile-menu .btn { margin-top: 26px; opacity: 0; transform: translateY(14px); }

body.nav-open { overflow: hidden; }

body.nav-open .mobile-menu { display: flex; }

body.nav-open .mobile-menu a.nav-link,
body.nav-open .mobile-menu .btn {
  animation: menuItem .5s var(--ease-saida) forwards;
  animation-delay: calc(var(--i, 0) * 60ms);
}

body.nav-open .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-burger span:nth-child(2) { opacity: 0; }
body.nav-open .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@keyframes menuItem {
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Fundos decorativos reutilizáveis ---------- */
.bg-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(160, 184, 255, .09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(160, 184, 255, .04) 1px, transparent 1px);
  background-size: 72px 84px;
  -webkit-mask-image: radial-gradient(ellipse 75% 62% at 50% 0%, #000 25%, transparent 78%);
          mask-image: radial-gradient(ellipse 75% 62% at 50% 0%, #000 25%, transparent 78%);
}

.particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* ---------- Linha de cume (divisor de seção) ---------- */
.ridge-divider {
  line-height: 0;
  color: var(--linha-forte);
}

.ridge-divider svg {
  width: 100%;
  height: clamp(34px, 5vw, 60px);
}

/* ---------- Revelação ao rolar ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  filter: blur(8px);
  transition:
    opacity .8s var(--ease-saida),
    transform .8s var(--ease-saida),
    filter .8s var(--ease-saida);
  transition-delay: var(--rd, 0ms);
}

.reveal.in-view {
  opacity: 1;
  transform: none;
  filter: blur(0);
}

/* ---------- Revelação de título (corte vertical) ---------- */
.vcr-word {
  display: inline-flex;
  overflow: hidden;
  vertical-align: bottom;
  padding-bottom: .08em;
  margin-bottom: -.08em;
}

.vcr-inner {
  display: inline-block;
  transform: translateY(-118%);
}

.vcr-play .vcr-inner {
  animation: vcrDrop .75s var(--ease-saida) forwards;
  animation-delay: calc(var(--i, 0) * 95ms);
}

@keyframes vcrDrop {
  to { transform: translateY(0); }
}

/* ---------- Cards de projeto (home + projetos) ---------- */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.proj-card {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--linha);
  background: linear-gradient(165deg, rgba(17, 28, 66, .65), rgba(8, 13, 32, .9));
  overflow: hidden;
  transition: transform .35s var(--ease-saida), border-color .35s, box-shadow .35s;
}

.proj-card:hover {
  transform: translateY(-6px);
  border-color: rgba(143, 216, 255, .4);
  box-shadow: 0 24px 60px -24px rgba(38, 58, 255, .45);
}

/* Miniatura: "navegador" desenhado em CSS */
.proj-thumb {
  aspect-ratio: 16 / 10;
  background:
    radial-gradient(120% 110% at 80% -10%, hsl(var(--tint, 222) 80% 28% / .55), transparent 60%),
    linear-gradient(180deg, #0b1432, #070d22);
  border-bottom: 1px solid var(--linha);
  padding: 14px 16px 0;
  display: grid;
  align-content: start;
  gap: 10px;
  overflow: hidden;
}

.thumb-bar {
  display: flex;
  gap: 5px;
  margin-bottom: 4px;
}

.thumb-bar i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: rgba(160, 184, 255, .28);
}

.thumb-ui {
  border-radius: 10px 10px 0 0;
  border: 1px solid rgba(160, 184, 255, .16);
  border-bottom: none;
  background: linear-gradient(180deg, hsl(var(--tint, 222) 55% 14%), hsl(var(--tint, 222) 60% 8%));
  padding: clamp(12px, 2.4vw, 20px);
  display: grid;
  gap: 9px;
  min-height: 150px;
  transition: transform .45s var(--ease-saida);
}

.proj-card:hover .thumb-ui { transform: translateY(-7px); }

.thumb-ui .ui-pill {
  width: 34%;
  height: 8px;
  border-radius: 6px;
  background: hsl(var(--tint, 222) 85% 68% / .85);
}

.thumb-ui .ui-title {
  width: 72%;
  height: 15px;
  border-radius: 6px;
  background: rgba(234, 242, 255, .85);
}

.thumb-ui .ui-line {
  width: 56%;
  height: 8px;
  border-radius: 6px;
  background: rgba(160, 184, 255, .3);
}

.thumb-ui .ui-blocks {
  margin-top: 6px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}

.thumb-ui .ui-blocks i {
  height: 38px;
  border-radius: 7px;
  background: linear-gradient(150deg, hsl(var(--tint, 222) 70% 38% / .5), hsl(var(--tint, 222) 70% 20% / .55));
  border: 1px solid hsl(var(--tint, 222) 70% 60% / .2);
}

/* variação B: hero com imagem grande */
.thumb-ui--b .ui-blocks { grid-template-columns: 1.6fr 1fr; }

/* variação C: vitrine de e-commerce */
.thumb-ui--c .ui-blocks { grid-template-columns: 1fr 1fr 1fr 1fr; }
.thumb-ui--c .ui-blocks i { height: 46px; }

.proj-info {
  padding: 20px 22px 24px;
  display: grid;
  gap: 8px;
}

.proj-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--neblina-2);
}

.proj-tag {
  font-family: var(--fonte-marca);
  font-size: 9px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--glacial);
  border: 1px solid rgba(143, 216, 255, .3);
  border-radius: 99px;
  padding: 5px 11px;
}

.proj-info h3 { font-size: 1.25rem; }

.proj-info p { color: var(--neblina); font-size: .95rem; }

/* ---------- Faixa de CTA ---------- */
.cta-band {
  position: relative;
  padding-block: clamp(86px, 11vw, 140px);
  overflow: hidden;
  text-align: center;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(55% 80% at 50% 115%, rgba(47, 84, 255, .35), transparent 70%),
    radial-gradient(35% 50% at 50% 120%, rgba(143, 216, 255, .12), transparent 70%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 20px;
  max-width: 760px;
}

.cta-inner .lead { margin-inline: auto; text-align: center; }

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 10px;
}

/* ---------- Rodapé ---------- */
.site-footer {
  border-top: 1px solid var(--linha);
  background: #04081424;
  background: linear-gradient(180deg, var(--noite), #030610);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 44px;
  padding-block: clamp(56px, 7vw, 84px) 44px;
}

.footer-brand { display: grid; gap: 16px; align-content: start; }

.footer-brand .brand-mark { width: 46px; height: 29px; }

.footer-brand p {
  color: var(--neblina);
  font-size: .95rem;
  max-width: 30ch;
}

.footer-col h4 {
  font-family: var(--fonte-marca);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--neblina-2);
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 11px;
}

.footer-col a {
  color: var(--neblina);
  text-decoration: none;
  font-size: .95rem;
  transition: color .25s;
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-block: 24px 30px;
  border-top: 1px solid var(--linha);
  color: var(--neblina-2);
  font-size: .85rem;
}

/* ---------- Hero de páginas internas ---------- */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(70px, 9vw, 120px)) 0 clamp(56px, 7vw, 90px);
  background:
    radial-gradient(45% 65% at 72% 0%, rgba(47, 73, 245, .24), transparent 70%),
    radial-gradient(32% 45% at 20% 12%, rgba(40, 150, 235, .1), transparent 70%);
}

.page-hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 18px;
}

.page-hero h1 {
  max-width: 17ch;
  font-size: clamp(2.4rem, 5.4vw, 4rem);
}

.page-hero .ridge-divider {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  z-index: 1;
}

/* ---------- Responsivo ---------- */
@media (max-width: 1020px) {
  .proj-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 980px) {
  .site-nav { display: none; }
  /* no mobile o menu vira o botão azul de orçamento (sem hambúrguer) */
  .nav-burger { display: none; }
  .header-actions .btn { display: inline-flex; }
}

@media (max-width: 640px) {
  .proj-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .btn { width: 100%; }
  .cta-actions .btn { width: auto; flex: 1 1 220px; }
  /* botão de orçamento no header continua compacto (não largura-cheia) */
  .header-actions .btn { display: inline-flex; width: auto; }
}

/* ---------- Botão flutuante do WhatsApp ---------- */
.wa-float {
  position: fixed;
  right: clamp(18px, 3vw, 30px);
  bottom: clamp(18px, 3vw, 30px);
  z-index: 200;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(160deg, #37d46b, #1eb955);
  box-shadow: 0 10px 28px rgba(37, 211, 102, .5);
  animation: waPulse 2.4s ease-out infinite;
  transition: transform .25s var(--ease-saida), box-shadow .25s;
}

.wa-float svg { width: 34px; height: 34px; }

.wa-float:hover {
  transform: scale(1.08);
  box-shadow: 0 14px 34px rgba(37, 211, 102, .65);
}

.wa-float:active { transform: scale(.97); }

@keyframes waPulse {
  0%   { box-shadow: 0 10px 28px rgba(37, 211, 102, .5), 0 0 0 0 rgba(37, 211, 102, .55); }
  70%  { box-shadow: 0 10px 28px rgba(37, 211, 102, .5), 0 0 0 20px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 10px 28px rgba(37, 211, 102, .5), 0 0 0 0 rgba(37, 211, 102, 0); }
}

@media (max-width: 560px) {
  .wa-float { width: 54px; height: 54px; }
  .wa-float svg { width: 30px; height: 30px; }
}

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

  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .reveal { opacity: 1; transform: none; filter: none; }

  .vcr-inner { transform: none; }
}