/* ==========================================================================
   ALMIR.LK · Portfólio v2
   Design: Clean, minimalista, sóbrio e chique.
   Aderente às diretrizes de Frontend Design e Web Design Guidelines.
   ========================================================================== */

:root {
  --bg: #ffffff;
  --bg-surface: #f7f6f3;
  --bg-card: #ffffff;
  --bg-hover: #f1efea;
  --border: #e4e1da;
  --border-subtle: #eeece7;
  --border-focus: #0f766e;
  --text-main: #14161a;
  --text-muted: #55606e;
  --text-dim: #626c79;
  --accent: #0f766e;
  --accent-gold: #0f766e;
  --accent-soft: rgba(15, 118, 110, 0.08);
  --font-serif: "Newsreader", "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sans: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --container-max: 1140px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Acessibilidade */
.skip-link {
  position: absolute;
  top: -60px;
  left: 1.5rem;
  background: var(--text-main);
  color: var(--bg);
  font-weight: 700;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1.5rem;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.2);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Navegação */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.1rem 0;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-mark {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.brand-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

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

.btn-nav-cta {
  background: var(--text-main);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.84rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background 0.15s ease, transform 0.1s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-nav-cta:hover {
  background: #e2e8f0;
  transform: none;
}

/* Hero */
.hero {
  padding: 6rem 0 4.5rem 0;
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  display: block;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.12;
  color: var(--text-main);
  max-width: 860px;
  margin-bottom: 1.5rem;
}

.hero-lead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 680px;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: background 0.15s ease, transform 0.1s ease;
}

.btn-primary:hover {
  background: #0b5d56;
  transform: none;
}

.btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.btn-secondary:hover {
  border-color: var(--text-dim);
  background: var(--bg-surface);
}

/* Indicadores de Engenharia */
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 4.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-subtle);
  max-width: 760px;
}

.metric-number {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.metric-label {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-top: 0.2rem;
}

/* Seções Gerais */
.section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-subtle);
}

.section-head {
  margin-bottom: 3rem;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-main);
  margin-bottom: 0.8rem;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 600px;
}

/* Grid de Projetos */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.project-card:hover {
  border-color: #b9b4a8;
  transform: none;
}

.project-card.featured-wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
}

.card-content-side {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-category {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.6rem;
  display: block;
}

.project-title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-bottom: 0.8rem;
}

.project-description {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.project-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.project-item-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.85rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.85rem;
  text-decoration: none;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.project-item-link:hover {
  border-color: var(--accent);
  color: var(--text-main);
}

.link-arrow {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.privacy-tag {
  font-size: 0.74rem;
  color: var(--text-dim);
  font-style: italic;
}

/* Serviços */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.8rem;
}

.service-number {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
  display: block;
}

.service-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.service-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Metodologia / Filosofia */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.approach-card {
  border-left: 2px solid var(--border);
  padding-left: 1.25rem;
}

.approach-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.approach-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Contato */
.contact-section {
  padding: 6rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  text-align: center;
}

.contact-wrap {
  max-width: 640px;
  margin: 0 auto;
}

.contact-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.contact-lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}

.contact-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

/* Rodapé */
.site-footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  color: var(--text-dim);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Responsividade Tablet (768px - 1024px) */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.8rem;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .project-card.featured-wide {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: 1fr 1fr;
  }
  .approach-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Responsividade Mobile (< 768px) */
@media (max-width: 768px) {
  .site-nav {
    padding: 0.9rem 0;
  }
  .nav-links {
    display: none;
  }
  .hero {
    padding: 4rem 0 3rem 0;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-metrics {
    grid-template-columns: 1fr;
    gap: 1.2rem;
    margin-top: 3rem;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .approach-grid {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}


/* Foto de abertura: limpa, logo no topo, sem peso extra (imagem carregada de um dos sites do proprio Almir). */
.hero-media {
  margin: 2.5rem 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-surface);
  aspect-ratio: 16 / 7;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-media figcaption {
  position: absolute;
  clip: rect(0 0 0 0);
}

.project-card .project-photo {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 1.2rem;
  background: var(--bg-surface);
}

@media (max-width: 768px) {
  .hero-media { aspect-ratio: 4 / 3; }
}

/* Foto de abertura em faixa de largura total, logo abaixo do menu. */
.hero-band { margin: 0; width: 100%; height: clamp(220px, 42vh, 460px); overflow: hidden; background: var(--bg-surface); }
.hero-band img { width: 100%; height: 100%; object-fit: cover; object-position: center 60%; display: block; }
.hero { padding-top: 3rem; }

.contact-lang { color: var(--text-muted); font-size: 0.95rem; margin: 0.4rem 0 1.4rem; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; }

.lang-switch { display: inline-flex; gap: 0.15rem; margin-right: 0.8rem; font-size: 0.82rem; }
.lang-switch a { color: var(--text-muted); text-decoration: none; padding: 0.35rem 0.5rem; border-radius: var(--radius-sm); min-height: 36px; display: inline-flex; align-items: center; }
.lang-switch a[aria-current] { color: var(--text-main); font-weight: 700; background: var(--bg-surface); }

/* Cabeçalho moderno: arte vetorial leve (rede de nós) + faixa de prints reais, sem foto de hotel. */
.hero { position: relative; overflow: hidden; padding: 5.5rem 0 3rem; }
.hero > .container { position: relative; z-index: 1; }
.hero-art { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero-art .ring { transform-origin: center; transform-box: fill-box; animation: ring-fade 5s ease-in-out infinite; }
.hero-art .ring.r2 { animation-delay: -1.6s; } .hero-art .ring.r3 { animation-delay: -3.2s; }
@keyframes ring-fade { 0%, 100% { opacity: .25; } 50% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .hero-art .ring { animation: none; } }
.hero-title { font-size: clamp(2.2rem, 5.2vw, 3.9rem); line-height: 1.08; letter-spacing: -0.035em; max-width: 16ch; }
.hero-lead { max-width: 52ch; }
.hero-shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin: 3rem 0 0; align-items: end; }
.shot { margin: 0; background: #fff; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; box-shadow: 0 18px 40px -22px rgba(15, 40, 36, 0.35); }
.shot-mid { margin-bottom: 1.4rem; box-shadow: 0 26px 54px -24px rgba(15, 40, 36, 0.45); }
.shot-bar { display: flex; gap: 6px; padding: 9px 12px; background: var(--bg-surface); border-bottom: 1px solid var(--border-subtle); }
.shot-bar i { width: 9px; height: 9px; border-radius: 50%; background: #d5d2ca; display: block; }
.shot img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }
@media (max-width: 768px) { .hero { padding-top: 4rem; } .hero-shots { grid-template-columns: 1fr; } .shot-mid { margin-bottom: 0; } }