/* ============================================================
   ISNARDI TECNOLOGIA — STYLESHEET
   ============================================================ */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { list-style: none; margin: 0; padding: 0; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea { font: inherit; }

@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;
    scroll-behavior: auto !important;
  }
}

/* ---------- Base ---------- */
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .font-display {
  font-family: var(--font-display);
  line-height: var(--lh-heading);
  font-weight: 700;
  color: var(--color-navy-800);
}

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

section { position: relative; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold-600);
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--color-gold-500);
}

.section-head { max-width: 640px; margin-bottom: var(--space-8); }
.section-head .eyebrow { margin-bottom: var(--space-4); }
.section-head h2 { margin-bottom: var(--space-4); }
.section-head p { color: var(--color-text-muted); font-size: var(--fs-lead); }

.section-pad { padding-block: var(--space-9); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.9em 1.7em;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: var(--fs-small);
  letter-spacing: 0.02em;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-navy-800);
  color: var(--color-cream-100);
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); background: var(--color-navy-700); }

.btn-gold {
  background: var(--color-gold-500);
  color: var(--color-navy-900);
  box-shadow: var(--shadow-gold);
}
.btn-gold:hover { transform: translateY(-2px); background: var(--color-gold-400); }

.btn-outline {
  border: 1.5px solid var(--color-border-inverse);
  color: inherit;
}
.btn-outline:hover { border-color: var(--color-gold-500); color: var(--color-gold-400); transform: translateY(-2px); }

.btn-outline-light {
  border: 1.5px solid rgba(14, 26, 47, 0.18);
  color: var(--color-navy-800);
}
.btn-outline-light:hover { border-color: var(--color-navy-800); transform: translateY(-2px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: var(--z-header);
  padding-block: var(--space-4);
  transition: background var(--dur-base) var(--ease-out), padding var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); }

.site-header.is-scrolled {
  background: rgba(250, 248, 243, 0.86);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  padding-block: var(--space-3);
}

.brand { display: flex; align-items: center; gap: var(--space-3); }
.brand-mark { width: 42px; height: 42px; flex-shrink: 0; }
.brand-word {
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
  color: var(--color-cream-100); line-height: 1.15;
  transition: color var(--dur-base) var(--ease-out);
}
.brand-word small {
  display: block; font-family: var(--font-body); font-weight: 600; font-size: 0.6rem;
  letter-spacing: 0.18em; color: var(--color-gold-400);
  transition: color var(--dur-base) var(--ease-out);
}
.site-header.is-scrolled .brand-word { color: var(--color-navy-800); }
.site-header.is-scrolled .brand-word small { color: var(--color-gold-600); }

.nav-desktop { display: none; }
.nav-desktop ul { display: flex; align-items: center; gap: var(--space-6); }
.nav-desktop a {
  font-size: var(--fs-small);
  font-weight: 600;
  color: rgba(244, 239, 230, 0.82);
  position: relative;
  padding-block: var(--space-1);
  transition: color var(--dur-base) var(--ease-out);
}
.nav-desktop a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%; bottom: -2px;
  height: 2px;
  background: var(--color-gold-500);
  transition: right var(--dur-base) var(--ease-out);
}
.nav-desktop a:hover::after, .nav-desktop a.is-active::after { right: 0; }
.nav-desktop a:hover, .nav-desktop a.is-active { color: var(--color-cream-100); }
.site-header.is-scrolled .nav-desktop a { color: var(--color-ink-700); }
.site-header.is-scrolled .nav-desktop a:hover, .site-header.is-scrolled .nav-desktop a.is-active { color: var(--color-navy-800); }

.header-actions { display: flex; align-items: center; gap: var(--space-4); }
.header-cta { display: none; }

.lang-toggle {
  display: flex;
  border: 1px solid var(--color-border-inverse);
  border-radius: var(--radius-pill);
  padding: 3px;
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(244, 239, 230, 0.06);
  transition: background var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.lang-toggle button {
  padding: 0.35em 0.75em;
  border-radius: var(--radius-pill);
  color: rgba(244, 239, 230, 0.7);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.lang-toggle button.is-active { background: var(--color-gold-500); color: var(--color-navy-900); }
.site-header.is-scrolled .lang-toggle { border-color: var(--color-border); background: var(--color-white); }
.site-header.is-scrolled .lang-toggle button { color: var(--color-ink-500); }
.site-header.is-scrolled .lang-toggle button.is-active { background: var(--color-navy-800); color: var(--color-cream-100); }

.menu-toggle {
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.menu-toggle span { width: 22px; height: 2px; background: var(--color-cream-100); transition: background var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out); }
.site-header.is-scrolled .menu-toggle span { background: var(--color-navy-800); }

.nav-mobile {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: var(--color-navy-900);
  color: var(--color-cream-100);
  display: flex;
  flex-direction: column;
  padding: var(--space-6) var(--container-pad);
  transform: translateY(-100%);
  transition: transform var(--dur-slow) var(--ease-in-out);
}
.nav-mobile.is-open { transform: translateY(0); }
.nav-mobile-top { display: flex; justify-content: flex-end; }
.nav-mobile ul { display: flex; flex-direction: column; gap: var(--space-5); margin-top: var(--space-8); }
.nav-mobile a { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; color: var(--color-cream-100); }
.nav-mobile .lang-toggle { margin-top: auto; align-self: flex-start; background: transparent; border-color: var(--color-border-inverse); }
.nav-mobile .lang-toggle button { color: var(--color-cream-100); }
.nav-mobile .lang-toggle button.is-active { background: var(--color-gold-500); color: var(--color-navy-900); }

body.nav-open { overflow: hidden; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-block-start: clamp(7rem, 5rem + 8vw, 11rem);
  padding-block-end: var(--space-9);
  background: var(--color-navy-900);
  color: var(--color-cream-100);
  overflow: hidden;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(244, 239, 230, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 239, 230, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 60% 20%, black 10%, transparent 70%);
}
.hero-glow {
  position: absolute;
  inset-block-start: -20%;
  inset-inline-end: -10%;
  width: 60vw;
  height: 60vw;
  max-width: 900px;
  max-height: 900px;
  background: radial-gradient(circle, rgba(176, 141, 87, 0.22) 0%, rgba(14, 42, 71, 0) 65%);
  filter: blur(10px);
  animation: drift 16s ease-in-out infinite alternate;
}
@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(-4%, 3%) scale(1.06); }
}

.hero .container { position: relative; z-index: 1; }
.hero-content { max-width: 760px; }
.hero-content .eyebrow { color: var(--color-gold-400); }
.hero-content .eyebrow::before { background: var(--color-gold-400); }
.hero h1 { color: var(--color-cream-100); margin-block: var(--space-5); }
.hero h1 em { color: var(--color-gold-400); font-style: normal; }
.hero-lead { font-size: var(--fs-lead); color: rgba(244, 239, 230, 0.78); max-width: 56ch; margin-bottom: var(--space-7); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-bottom: var(--space-9); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  border-top: 1px solid var(--color-border-inverse);
  padding-top: var(--space-6);
}
.stat-num { font-family: var(--font-display); font-size: clamp(1.6rem, 1.3rem + 1vw, 2.2rem); color: var(--color-gold-400); font-weight: 700; }
.stat-label { font-size: var(--fs-small); color: rgba(244, 239, 230, 0.65); margin-top: var(--space-1); }

/* ---------- Reveal animations ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
[data-reveal-group] > * { transition-delay: calc(var(--stagger, 0) * 90ms); }

/* ---------- Sobre ---------- */
.about-layout {
  display: grid;
  gap: var(--space-8);
}
.about-pillars {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-6);
}
.pillar {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.pillar:hover { border-color: var(--color-gold-400); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.pillar-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: var(--radius-md);
  background: var(--color-navy-800);
  color: var(--color-gold-400);
  display: flex; align-items: center; justify-content: center;
}
.pillar h3 { font-size: 1.05rem; margin-bottom: var(--space-1); }
.pillar p { color: var(--color-text-muted); font-size: var(--fs-small); }

/* ---------- Serviços ---------- */
.services-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.service-card {
  position: relative;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card::before {
  content: '';
  position: absolute; inset-inline-start: 0; inset-block-start: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--color-gold-500), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-slow) var(--ease-out);
}
.service-card:hover::before { transform: scaleX(1); }
.service-index { font-family: var(--font-display); font-size: 0.85rem; color: var(--color-gold-600); font-weight: 700; margin-bottom: var(--space-4); }
.service-card h3 { font-size: 1.15rem; margin-bottom: var(--space-3); }
.service-card p { color: var(--color-text-muted); font-size: var(--fs-small); }

/* ---------- Trackinno spotlight ---------- */
.spotlight {
  background: var(--color-navy-800);
  color: var(--color-cream-100);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: grid;
  gap: var(--space-6);
  position: relative;
  overflow: hidden;
}
.spotlight::after {
  content: '';
  position: absolute;
  inset-inline-end: -15%;
  inset-block-end: -30%;
  width: 420px; height: 420px;
  border-radius: 50%;
  border: 1px solid rgba(176, 141, 87, 0.35);
}
.spotlight-brand { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); }
.spotlight-brand span { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; }
.spotlight h3 { color: var(--color-cream-100); font-size: var(--fs-h3); max-width: 30ch; margin-bottom: var(--space-4); }
.spotlight p { color: rgba(244, 239, 230, 0.75); max-width: 60ch; margin-bottom: var(--space-6); }
.spotlight-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-6); }

.tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.4em 0.9em;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-inverse);
  color: rgba(244, 239, 230, 0.85);
}
.tag-light { border-color: var(--color-border); color: var(--color-ink-700); background: var(--color-cream-100); }

/* ---------- Sobre mim ---------- */
.founder {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
  align-items: start;
}
.founder-photo-wrap { position: relative; }
.founder-photo {
  aspect-ratio: 4/5;
  width: 100%;
  max-width: 340px;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--color-navy-700), var(--color-navy-900));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(244, 239, 230, 0.4);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.founder-photo img { width: 100%; height: 100%; object-fit: cover; }
.founder-quote {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  color: var(--color-navy-800);
  border-left: 3px solid var(--color-gold-500);
  padding-left: var(--space-5);
  margin-block: var(--space-6);
  font-style: italic;
}
.founder-bio p { color: var(--color-text-muted); margin-bottom: var(--space-4); }
.founder-skills { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-5); }

.timeline { margin-top: var(--space-7); border-left: 1px solid var(--color-border); padding-left: var(--space-6); display: grid; gap: var(--space-6); }
.timeline-item { position: relative; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-6) - 5px);
  top: 4px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--color-gold-500);
  box-shadow: 0 0 0 4px var(--color-bg);
}
.timeline-period { font-size: var(--fs-small); color: var(--color-gold-600); font-weight: 700; }
.timeline-item h4 { font-size: 1.05rem; margin-block: var(--space-1); color: var(--color-navy-800); }
.timeline-item p { color: var(--color-text-muted); font-size: var(--fs-small); }

.edu-grid { display: grid; gap: var(--space-4); margin-top: var(--space-6); }
.edu-item { display: flex; justify-content: space-between; gap: var(--space-4); padding-block: var(--space-3); border-bottom: 1px solid var(--color-border); font-size: var(--fs-small); }
.edu-item strong { display: block; color: var(--color-navy-800); font-size: 0.95rem; }
.edu-item span { color: var(--color-text-muted); }
.edu-period { white-space: nowrap; color: var(--color-gold-600); font-weight: 600; }

/* ---------- Contato ---------- */
.contact-section { background: var(--color-bg-alt); }
.contact-layout {
  display: grid;
  gap: var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}
.contact-methods { display: grid; gap: var(--space-5); margin-top: var(--space-6); }
.contact-method { display: flex; align-items: center; gap: var(--space-4); }
.contact-method-icon {
  width: 42px; height: 42px; flex-shrink: 0; border-radius: var(--radius-md);
  background: var(--color-bg-alt); color: var(--color-navy-800);
  display: flex; align-items: center; justify-content: center;
}
.contact-method strong { display: block; font-size: var(--fs-small); color: var(--color-text-muted); font-weight: 600; }
.contact-method a, .contact-method span.value { font-weight: 600; color: var(--color-navy-800); }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-navy-900); color: rgba(244, 239, 230, 0.7); padding-block: var(--space-8) var(--space-6); }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-7); padding-bottom: var(--space-7); border-bottom: 1px solid var(--color-border-inverse); }
.footer-brand .brand-mark { width: 40px; height: 40px; margin-bottom: var(--space-4); }
.footer-brand p { max-width: 34ch; font-size: var(--fs-small); }
.footer-cols { display: flex; gap: var(--space-9); flex-wrap: wrap; }
.footer-col h4 { font-size: var(--fs-small); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-gold-400); margin-bottom: var(--space-4); }
.footer-col ul { display: grid; gap: var(--space-2); font-size: var(--fs-small); }
.footer-col a:hover { color: var(--color-cream-100); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-3); padding-top: var(--space-6); font-size: 0.8rem; }
.back-to-top {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--color-navy-800);
  color: var(--color-gold-400);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
  z-index: var(--z-header);
}
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mx-auto { margin-inline: auto; }
[data-i18n-alt] { }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

/* ---------- Responsive ---------- */
@media (min-width: 720px) {
  .about-layout { grid-template-columns: 0.9fr 1.1fr; }
  .founder { grid-template-columns: 340px 1fr; }
  .hero-stats { grid-template-columns: repeat(4, 1fr); }
  .contact-layout { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 920px) {
  .nav-desktop { display: block; }
  .menu-toggle { display: none; }
  .header-cta { display: inline-flex; }
}