/* ==========================================================================
   PORTFÓLIO V2 — CAMADA DE EVOLUÇÃO
   Complementa style.css sem alterar a base do projeto.
   ========================================================================== */

:root {
  --surface-strong: rgba(8, 15, 35, 0.94);
  --surface-soft: rgba(11, 19, 43, 0.62);
  --line-soft: rgba(148, 163, 184, 0.12);
  --success: #34d399;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 9999;
  padding: 0.65rem 0.9rem;
  color: #fff;
  background: #111827;
  border: 1px solid var(--primary-blue);
  border-radius: 8px;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid rgba(56, 189, 248, 0.9); outline-offset: 4px; }

.hero-kicker,
.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--cyan-accent);
  font-family: var(--font-code);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero-kicker { margin-bottom: 1rem; }
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 5px rgba(52, 211, 153, 0.08);
}
.hero-title--statement { max-width: 720px; }
.hero-title--statement span { display: block; }
.section--compact { padding-top: 2rem; }
.section-header--tight { margin-bottom: 1.5rem; }
.section-eyebrow { margin-bottom: 0.55rem; }

.skill-symbol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 0.4rem;
  border: 1px solid rgba(79, 111, 255, 0.3);
  border-radius: 8px;
  color: var(--cyan-accent);
  background: rgba(79, 111, 255, 0.09);
  font-family: var(--font-code);
  font-size: 0.75rem;
  font-weight: 700;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1.5rem;
}

.about-copy-card,
.proof-card,
.formation-note,
.project-page-note,
.case-study,
.projects-end-cta {
  background: var(--surface-soft);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.about-copy-card { padding: 2rem; border-radius: var(--radius-lg); }
.about-copy-card p { color: var(--text-gray-300); font-size: 1rem; line-height: 1.75; }
.about-copy-card p + p { margin-top: 1rem; }
.proof-grid { display: grid; gap: 0.85rem; }
.proof-card { position: relative; padding: 1.2rem 1.3rem 1.2rem 4.3rem; border-radius: var(--radius-md); }
.proof-index {
  position: absolute;
  left: 1.2rem;
  top: 1.1rem;
  color: var(--primary-blue);
  font-family: var(--font-code);
  font-size: 0.78rem;
  font-weight: 700;
}
.proof-card h3 { color: var(--text-white); font-family: var(--font-heading); font-size: 1rem; margin-bottom: 0.2rem; }
.proof-card p { color: var(--text-gray-300); font-size: 0.86rem; line-height: 1.5; }

.featured-projects-grid { align-items: stretch; }
.project-card--featured { border-color: rgba(79, 111, 255, 0.3); }
.project-preview {
  min-height: 175px;
  padding: 1.25rem;
  flex-direction: column;
  gap: 0.65rem;
}
.project-preview::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
.project-preview--nexo {
  background:
    radial-gradient(circle at 30% 30%, rgba(79,111,255,.34), transparent 36%),
    linear-gradient(135deg, #071023, #030815);
}
.project-preview--cbc {
  background:
    radial-gradient(circle at 68% 35%, rgba(56,189,248,.25), transparent 38%),
    linear-gradient(135deg, #04121b, #030815);
}
.project-preview--saberx {
  background:
    radial-gradient(circle at 35% 45%, rgba(96,165,250,.22), transparent 40%),
    linear-gradient(135deg, #08101e, #020817);
}
.project-preview--bmi9 {
  background:
    radial-gradient(circle at 65% 35%, rgba(245,158,11,.12), transparent 38%),
    linear-gradient(135deg, #10111a, #020817);
}
.project-preview-code {
  position: relative;
  z-index: 1;
  color: #fff;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.05em;
}
.project-state {
  position: relative;
  z-index: 1;
  color: var(--text-gray-300);
  font-family: var(--font-code);
  font-size: 0.72rem;
}
.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
  padding-top: 0.4rem;
}
.project-stack span {
  padding: 0.28rem 0.55rem;
  border-radius: 6px;
  border: 1px solid rgba(148, 163, 184, 0.12);
  background: rgba(15, 23, 42, 0.68);
  color: #cbd5e1;
  font-family: var(--font-code);
  font-size: 0.7rem;
}
.project-meta-row--actions { gap: 1rem; flex-wrap: wrap; }
.project-private-label { color: var(--text-gray-400); font-family: var(--font-code); font-size: 0.72rem; }

.formation-note { margin-top: 1rem; padding: 1.2rem 1.3rem; border-radius: var(--radius-md); }
.formation-note strong,
.footer-name { color: var(--text-white); }
.formation-note p { margin-top: 0.35rem; color: var(--text-gray-300); font-size: 0.88rem; }
.certs-grid--compact .cert-card { min-height: 132px; }
.contact-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; justify-content: flex-end; }
.footer-name,
.footer-role { display: block; }
.footer-name { font-size: 0.95rem; }
.footer-role { color: var(--text-gray-400); font-size: 0.8rem; margin-top: 0.1rem; }

.project-page-hero { padding: calc(var(--header-height) + 5rem) 0 3.5rem; }
.project-page-hero-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  align-items: end;
}
.project-page-title {
  max-width: 880px;
  color: var(--text-white);
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
  margin-top: 1.1rem;
}
.project-page-description {
  max-width: 760px;
  color: var(--text-gray-300);
  font-size: 1rem;
  line-height: 1.7;
  margin-top: 1.2rem;
}
.project-page-note { padding: 1.35rem; border-radius: var(--radius-md); }
.project-page-note-label {
  display: block;
  color: var(--cyan-accent);
  font-family: var(--font-code);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.55rem;
}
.project-page-note strong { display: block; color: var(--text-white); font-size: 1rem; margin-bottom: 0.35rem; }
.project-page-note p { color: var(--text-gray-300); font-size: 0.84rem; line-height: 1.5; }
.section--projects-page { padding-top: 1.5rem; }

.project-filter-bar {
  position: sticky;
  top: calc(var(--header-height) + 0.75rem);
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1.5rem;
  padding: 0.65rem;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background: rgba(2, 8, 23, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.project-filter-button {
  appearance: none;
  border: 1px solid rgba(148,163,184,.14);
  border-radius: 8px;
  padding: 0.55rem 0.78rem;
  color: var(--text-gray-300);
  background: rgba(15,23,42,.55);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s ease;
}
.project-filter-button:hover,
.project-filter-button.active {
  color: #fff;
  border-color: rgba(79,111,255,.55);
  background: rgba(79,111,255,.2);
}
.case-study-list { display: grid; gap: 1.4rem; }
.case-study {
  scroll-margin-top: calc(var(--header-height) + 6rem);
  padding: 2rem;
  border-radius: var(--radius-lg);
}
.case-study[hidden] { display: none; }
.case-study-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line-soft);
}
.case-study-labels { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 0.9rem; }
.case-label {
  padding: 0.28rem 0.55rem;
  border: 1px solid rgba(148,163,184,.14);
  border-radius: 6px;
  color: var(--text-gray-400);
  font-family: var(--font-code);
  font-size: 0.68rem;
}
.case-label--accent {
  color: var(--cyan-accent);
  border-color: rgba(56,189,248,.25);
  background: rgba(56,189,248,.06);
}
.case-study h2 {
  color: var(--text-white);
  font-family: var(--font-heading);
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  letter-spacing: -0.03em;
}
.case-study-lead { max-width: 760px; color: var(--text-gray-300); line-height: 1.65; margin-top: 0.55rem; }
.case-study-actions { display: flex; gap: 0.65rem; flex-shrink: 0; }
.case-study-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding-top: 1.25rem;
}
.case-block {
  padding: 1.2rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: rgba(2,8,23,.42);
}
.case-block-title {
  display: block;
  color: var(--primary-blue);
  font-family: var(--font-code);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 0.55rem;
}
.case-block p,
.case-list { color: var(--text-gray-300); font-size: 0.88rem; line-height: 1.65; }
.case-list { padding-left: 1.1rem; }
.case-list li + li { margin-top: 0.35rem; }
.case-block--stack { display: flex; flex-direction: column; }
.project-stack--large { padding-top: 0; }

.projects-end-cta {
  margin-top: 1.5rem;
  padding: 1.6rem 1.8rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.projects-end-cta h2 { color: var(--text-white); font-family: var(--font-heading); font-size: 1.45rem; margin: 0.25rem 0; }
.projects-end-cta p { color: var(--text-gray-300); font-size: 0.88rem; }

.error-page { min-height: 100svh; display: grid; place-items: center; padding: 2rem; }
.error-card {
  width: min(680px, 100%);
  padding: 2rem;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  text-align: center;
}
.error-code { color: var(--primary-blue); font-family: var(--font-code); font-size: 0.78rem; letter-spacing: 0.1em; }
.error-card h1 { color: #fff; font-family: var(--font-heading); font-size: clamp(2rem, 8vw, 4rem); margin: 0.6rem 0; }
.error-card p { max-width: 520px; margin: 0 auto 1.4rem; color: var(--text-gray-300); }
.error-actions { display: flex; justify-content: center; gap: 0.7rem; flex-wrap: wrap; }

@media (max-width: 1024px) {
  .about-grid,
  .project-page-hero-grid { grid-template-columns: 1fr; }
  .project-page-note { max-width: 640px; }
}

@media (max-width: 768px) {
  body { background-attachment: scroll; }
  .hero { padding-top: calc(var(--header-height) + 2rem); }
  .hero-grid { text-align: left; }
  .hero-description { margin-inline: 0; }
  .hero-actions,
  .hero-contact-row { justify-content: flex-start; }
  .hero-visual { justify-content: center; }
  .section { padding: 3.4rem 0; }
  .section-header { align-items: flex-start; gap: 1rem; }
  .section-header .link-action { margin-top: 0.25rem; }
  .contact-actions { justify-content: center; }
  .project-page-hero { padding-top: calc(var(--header-height) + 3rem); }
  .project-page-title { font-size: clamp(2.35rem, 12vw, 4rem); }
  .project-filter-bar {
    top: calc(var(--header-height) + 0.4rem);
    overflow-x: auto;
    flex-wrap: nowrap;
    scrollbar-width: none;
  }
  .project-filter-bar::-webkit-scrollbar { display: none; }
  .project-filter-button { white-space: nowrap; }
  .case-study { padding: 1.2rem; }
  .case-study-header,
  .projects-end-cta { flex-direction: column; align-items: stretch; }
  .case-study-grid { grid-template-columns: 1fr; }
  .case-study-actions .btn-primary,
  .case-study-actions .btn-outline,
  .projects-end-cta .btn-primary { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .about-copy-card { padding: 1.25rem; }
  .proof-card { padding-left: 3.8rem; }
  .project-meta-row--actions { align-items: flex-start; flex-direction: column; }
  .project-page-hero { padding-bottom: 2rem; }
  .case-study h2 { font-size: 1.7rem; }
}

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