/* =========================================================
   Leinad IT | Estilos da Landing Page
   Direção: infraestrutura editorial, moderna e precisa.
   Depende de tokens.css (carregado antes deste arquivo).
   ========================================================= */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text-body);
  background: var(--bg-page);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::selection { background: var(--color-blue-light); color: var(--color-navy); }

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  z-index: 200;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: var(--color-white);
  color: var(--color-navy);
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform var(--transition-fast);
}

.skip-link:focus { transform: translateY(0); }

.container {
  width: min(100% - 3rem, var(--container-max));
  margin: 0 auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  margin: 0 0 var(--space-2);
  color: var(--accent);
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.2;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin: 0 0 var(--space-2);
  color: var(--color-navy);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

h1 { font-size: var(--fs-h1); }
h2 { max-width: 18ch; font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); letter-spacing: -0.02em; }
h1, h2, h3 { text-wrap: balance; }
p { margin: 0 0 var(--space-2); color: var(--text-muted); text-wrap: pretty; }

.section {
  position: relative;
  padding: clamp(5rem, 9vw, 8rem) 0;
  overflow: hidden;
}

.section::before {
  position: absolute;
  top: 0;
  left: 50%;
  width: min(100% - 3rem, var(--container-max));
  height: 1px;
  background: var(--border-soft);
  content: "";
  transform: translateX(-50%);
}

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

.section-head { max-width: 720px; margin: 0 0 var(--space-5); }
.section-head.center { margin-right: auto; margin-left: auto; text-align: center; }
.section-head.center h2 { margin-right: auto; margin-left: auto; }
.section-head.center .eyebrow { justify-content: center; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  min-height: 48px;
  padding: 0.78em 1.35em;
  border: 1px solid transparent;
  border-radius: 999px;
  color: inherit;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1;
  white-space: nowrap;
  transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:hover { transform: translateY(-3px); }
.btn:active { transform: scale(0.97); }
.btn:focus-visible, a:focus-visible, button:focus-visible { outline: 3px solid var(--color-blue-light); outline-offset: 4px; }

.btn--primary {
  background: var(--accent);
  box-shadow: 0 10px 26px rgba(30,136,229,0.22);
  color: var(--color-white);
}
.btn--primary:hover { background: var(--accent-hover); box-shadow: 0 14px 34px rgba(30,136,229,0.3); }

.btn--outline { border-color: var(--color-navy); color: var(--color-navy); }
.btn--outline:hover { background: var(--color-navy); color: var(--color-white); }

.btn--outline-light { border-color: rgba(255,255,255,0.28); color: var(--text-on-dark); }
.btn--outline-light:hover { border-color: var(--color-blue-light); background: rgba(100,181,246,0.12); color: var(--color-white); }

/* ---------- Header ---------- */

#header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: var(--header-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  background: transparent;
  transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

#header.is-scrolled {
  border-bottom-color: rgba(255,255,255,0.1);
  background: rgba(13,27,42,0.78);
  box-shadow: 0 12px 30px rgba(3,10,18,0.12);
  backdrop-filter: blur(18px);
}

.header-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.brand, .footer-brand { display: inline-flex; align-items: center; gap: 0.65rem; font-family: var(--font-display); font-weight: 700; }
.brand { color: var(--text-on-dark); font-size: 1.05rem; letter-spacing: 0.04em; }
.brand .logo-mark { width: 36px; height: 36px; }
.brand strong, .footer-brand strong { color: var(--accent-hover); }

.nav { display: flex; align-items: center; gap: var(--space-4); }
.nav-links { display: flex; gap: var(--space-3); margin: 0; padding: 0; list-style: none; }
.nav-links a { position: relative; color: var(--text-on-dark-muted); font-size: var(--fs-small); font-weight: 500; transition: color var(--transition-fast); }
.nav-links a::after { position: absolute; right: 0; bottom: -0.45rem; left: 0; height: 2px; border-radius: 999px; background: var(--accent-hover); content: ""; transform: scaleX(0); transform-origin: right; transition: transform var(--transition-fast); }
.nav-links a:hover { color: var(--text-on-dark); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; border: 0; background: none; cursor: pointer; }
.nav-toggle span { width: 24px; height: 2px; border-radius: 2px; background: var(--text-on-dark); transition: transform var(--transition-fast), opacity var(--transition-fast); }

/* ---------- Hero ---------- */

#hero {
  position: relative;
  min-height: min(760px, 100svh);
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + 4rem) 0 5rem;
  overflow: hidden;
  isolation: isolate;
  background: var(--color-navy);
  color: var(--text-on-dark);
}

#hero::after {
  position: absolute;
  z-index: -1;
  right: -10rem;
  bottom: -16rem;
  width: 34rem;
  height: 34rem;
  border: 1px solid rgba(100,181,246,0.18);
  border-radius: 50%;
  box-shadow: 0 0 0 2.5rem rgba(100,181,246,0.025), 0 0 0 5rem rgba(100,181,246,0.02);
  content: "";
}

.hero-network { position: absolute; z-index: -1; inset: 0; pointer-events: none; opacity: 0.42; }
.hero-network svg { width: 100%; height: 100%; }
.hero-network circle { filter: drop-shadow(0 0 7px rgba(100,181,246,0.85)); }
.hero-content { position: relative; max-width: 780px; }
.hero-content::before { position: absolute; top: -2rem; left: -1rem; width: 7rem; height: 7rem; border-top: 1px solid rgba(100,181,246,0.5); border-left: 1px solid rgba(100,181,246,0.5); content: ""; opacity: 0.8; }
.hero-content .eyebrow { position: relative; color: var(--color-blue-light); }
.hero-content h1 { max-width: 12ch; color: var(--text-on-dark); font-size: clamp(2.8rem, 7vw, 5.4rem); }
.hero-content .lede { max-width: 600px; color: var(--text-on-dark-muted); font-size: clamp(1rem, 1.2vw, 1.2rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-4); }

/* ---------- Serviços ---------- */

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
.card { position: relative; min-height: 300px; padding: var(--space-4); overflow: hidden; border: 1px solid rgba(13,27,42,0.07); border-radius: var(--radius-md); background: rgba(255,255,255,0.92); box-shadow: var(--shadow-card); transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base); }
.card::after { position: absolute; right: -2rem; bottom: -3rem; width: 8rem; height: 8rem; border: 1px solid rgba(30,136,229,0.12); border-radius: 50%; content: ""; transition: transform var(--transition-base); }
.card:hover { border-color: rgba(30,136,229,0.26); box-shadow: var(--shadow-card-hover); transform: translateY(-7px); }
.card:hover::after { transform: scale(1.35); }
.card-icon { width: 52px; height: 52px; display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-3); border: 1px solid rgba(30,136,229,0.18); border-radius: 14px; background: rgba(30,136,229,0.08); }
.card-icon svg { width: 25px; height: 25px; stroke: var(--color-blue); }
.card h3 { max-width: 13ch; }
.card p { position: relative; z-index: 1; margin-bottom: 0; font-size: var(--fs-small); }

/* ---------- Produtos ---------- */

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.product-card { position: relative; min-height: 240px; padding: var(--space-4); overflow: hidden; border: 1px solid var(--border-soft); border-radius: var(--radius-md); background: rgba(255,255,255,0.64); transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-base), box-shadow var(--transition-base); }
.product-card::before { position: absolute; top: 0; right: 0; width: 4rem; height: 4rem; border-right: 2px solid var(--color-blue-light); border-top: 2px solid var(--color-blue-light); border-radius: 0 16px 0 0; content: ""; opacity: 0.7; transition: width var(--transition-base), height var(--transition-base); }
.product-card:hover { border-color: rgba(30,136,229,0.42); background: var(--color-white); box-shadow: var(--shadow-card); transform: translateY(-5px); }
.product-card:hover::before { width: 6rem; height: 6rem; }
.product-badge { display: inline-flex; align-items: center; gap: 0.5em; margin-bottom: var(--space-3); color: var(--color-blue); font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.product-badge::before { width: 7px; height: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 4px rgba(30,136,229,0.1); content: ""; }
.product-card p { max-width: 34ch; margin-bottom: 0; font-size: var(--fs-small); }

/* ---------- Sobre ---------- */

.about-layout { display: grid; grid-template-columns: minmax(220px, 0.55fr) 1.45fr; gap: clamp(2rem, 7vw, 7rem); align-items: center; }
.about-portrait { position: relative; width: min(100%, 300px); aspect-ratio: 1; display: flex; align-items: center; justify-content: center; border-radius: 30% 70% 62% 38% / 42% 38% 62% 58%; background: var(--color-navy); box-shadow: var(--shadow-glow); transform: rotate(-4deg); }
.about-portrait::before, .about-portrait::after { position: absolute; border: 1px solid rgba(100,181,246,0.45); border-radius: inherit; content: ""; }
.about-portrait::before { inset: 14px; transform: rotate(16deg); }
.about-portrait::after { inset: -14px; opacity: 0.35; transform: rotate(16deg); }
.about-portrait .logo-mark { width: 42%; height: 42%; transform: rotate(4deg); }
.about-layout > div:last-child { max-width: 680px; }
.about-layout h2 { max-width: none; }
.cert-list { display: flex; flex-wrap: wrap; gap: 0.65rem; margin: var(--space-3) 0 0; padding: 0; list-style: none; }
.cert-list li { padding: 0.45em 0.9em; border: 1px solid rgba(30,136,229,0.14); border-radius: 999px; background: rgba(30,136,229,0.06); color: var(--color-navy); font-size: var(--fs-small); font-weight: 600; }

/* ---------- Contato ---------- */

#contato { background: var(--color-navy); color: var(--text-on-dark); }
#contato::before { background: rgba(100,181,246,0.3); }
#contato::after { position: absolute; top: -15rem; right: -10rem; width: 35rem; height: 35rem; border: 1px solid rgba(100,181,246,0.12); border-radius: 50%; content: ""; }
#contato h2 { color: var(--text-on-dark); }
#contato .eyebrow { color: var(--color-blue-light); }
#contato .section-head p { color: var(--text-on-dark-muted); }
.contact-card { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; padding: clamp(1.5rem, 4vw, 2.75rem); border: 1px solid rgba(100,181,246,0.18); border-radius: var(--radius-lg); background: var(--color-navy-soft); box-shadow: 0 20px 60px rgba(0,0,0,0.18); }
.contact-info { display: flex; flex-direction: column; gap: 0.6rem; }
.contact-info .name { color: var(--text-on-dark); font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; }
.contact-info a, .contact-info span { display: flex; align-items: center; gap: 0.55em; color: var(--text-on-dark-muted); font-size: var(--fs-small); transition: color var(--transition-fast); }
.contact-info a svg { width: 18px; height: 18px; flex: 0 0 18px; }
.contact-info a:hover { color: var(--color-blue-light); }

/* ---------- Footer ---------- */

#footer { padding: var(--space-4) 0; border-top: 1px solid rgba(255,255,255,0.08); background: var(--color-navy); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.footer-brand { color: var(--text-on-dark); font-size: var(--fs-small); letter-spacing: 0.04em; }
.footer-brand .logo-mark { width: 28px; height: 28px; }
#footer p, .back-to-top { margin: 0; color: var(--text-on-dark-muted); font-size: var(--fs-small); }
.back-to-top { transition: color var(--transition-fast), transform var(--transition-fast); }
.back-to-top:hover { color: var(--color-blue-light); transform: translateY(-2px); }

/* ---------- Reveal ---------- */

[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
.grid-4 [data-reveal]:nth-child(2), .grid-3 [data-reveal]:nth-child(2) { transition-delay: 60ms; }
.grid-4 [data-reveal]:nth-child(3), .grid-3 [data-reveal]:nth-child(3) { transition-delay: 120ms; }
.grid-4 [data-reveal]:nth-child(4) { transition-delay: 180ms; }

/* ---------- Responsivo ---------- */

@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .card { min-height: 270px; }
  .about-layout { grid-template-columns: minmax(180px, 0.65fr) 1.35fr; gap: var(--space-4); }
}

@media (max-width: 768px) {
  .container { width: min(100% - 2rem, var(--container-max)); }
  .section { padding: 5rem 0; }
  .section::before { width: calc(100% - 2rem); }
  h2 { max-width: 22ch; }
  #hero { min-height: 680px; padding-top: calc(var(--header-height) + 3rem); }
  .hero-content h1 { max-width: 11ch; font-size: clamp(2.65rem, 12vw, 4rem); }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav.is-open .nav-links { position: absolute; top: var(--header-height); right: 0; left: 0; display: flex; flex-direction: column; gap: 0.25rem; padding: 1rem; border-bottom: 1px solid rgba(255,255,255,0.1); background: rgba(13,27,42,0.97); box-shadow: 0 18px 30px rgba(0,0,0,0.18); backdrop-filter: blur(16px); }
  .nav.is-open .nav-links a { display: block; padding: 0.85rem 0.5rem; }
  .nav.is-open .nav-links a::after { display: none; }
  .nav.is-open .btn--primary { display: none; }
  .grid-4, .grid-3 { grid-template-columns: 1fr; }
  .card, .product-card { min-height: auto; }
  .about-layout { grid-template-columns: 1fr; text-align: center; }
  .about-portrait { width: min(62vw, 250px); margin: 0 auto var(--space-3); }
  .about-layout > div:last-child { margin: 0 auto; }
  .cert-list { justify-content: center; }
  .contact-card { align-items: flex-start; flex-direction: column; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 440px) {
  .brand { font-size: 0.94rem; }
  .brand .logo-mark { width: 32px; height: 32px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .contact-card .btn { width: 100%; }
}