:root {
  --black: #050505;
  --ink: #141414;
  --white: #ffffff;
  --gray-100: #f6f6f4;
  --gray-200: #e6e4e0;
  --gray-400: #9a9a9a;
  --gray-600: #4a4a4a;
  --accent: #e2751f;
  --accent-dark: #b85e17;
  --accent-light: #ffb46b;
  --max-width: 1120px;
  --radius: 10px;
  --font-body: "Raleway", "Inter", Arial, sans-serif;
  --font-display: "Raleway", "Inter", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  background: var(--white);
}

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

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.6em;
}

p {
  margin: 0 0 1em;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--black);
  color: var(--white);
  padding: 10px 16px;
  z-index: 200;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
}

.top-anchor {
  height: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1.5px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  cursor: pointer;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn-accent {
  background: var(--accent);
  color: var(--white);
}
.btn-accent:hover {
  background: var(--accent-dark);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--gray-200);
}
.btn-ghost:hover {
  border-color: var(--ink);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 88px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
}
.brand-symbol {
  width: auto;
  height: 52px;
}
.brand-text {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.1rem;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.brand-accent {
  color: var(--accent);
}
.brand-abbr {
  display: none;
}
.nav {
  display: flex;
  gap: 28px;
}
.nav a {
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
}
.nav a:hover {
  color: var(--accent);
}
.nav-cta {
  white-space: nowrap;
}
.nav-cta-mobile {
  display: none;
}
.btn-shine {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  letter-spacing: 0.03em;
}
.btn-shine:hover {
  transform: none;
}
.btn-shine.btn-accent {
  background: var(--accent);
}
.btn-shine.btn-accent:hover {
  background: var(--accent);
}
.btn-shine::before {
  content: "";
  position: absolute;
  top: 0;
  left: -60%;
  width: 40%;
  height: 100%;
  background: linear-gradient(115deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  transform: skewX(-20deg);
  transition: left 0.55s ease;
}
.btn-shine.btn-ghost::before {
  background: linear-gradient(115deg, transparent, rgba(0, 0, 0, 0.08), transparent);
}
.btn-shine:hover::before {
  left: 130%;
}

@keyframes shine-auto {
  0% {
    left: -60%;
  }
  8% {
    left: 130%;
  }
  100% {
    left: 130%;
  }
}

@media (max-width: 860px) {
  .btn-shine.btn-accent::before {
    animation: shine-auto 10s ease-in-out infinite;
  }
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

/* Hero */
.hero {
  padding: 96px 0 72px;
  background:
    radial-gradient(circle at 85% 0%, rgba(226, 117, 31, 0.10), transparent 45%),
    var(--white);
}
.hero-inner {
  max-width: 760px;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 14px;
}
.hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  letter-spacing: -0.01em;
}
.hero-lead {
  font-size: 1.1rem;
  color: var(--gray-600);
  max-width: 60ch;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 36px;
}
.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}
.hero-highlights li {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-600);
  padding-left: 18px;
  position: relative;
}
.hero-highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

/* Section headings */
section h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
}
.section-lead {
  color: var(--gray-600);
  max-width: 60ch;
  margin-bottom: 40px;
}

/* Serviços */
.servicos {
  padding: 88px 0;
  background: var(--gray-100);
}
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px;
}
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.card:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}
.card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(226, 117, 31, 0.12);
  color: var(--accent);
  margin-bottom: 18px;
}
.card-icon svg {
  width: 24px;
  height: 24px;
}
.card h3 {
  font-size: 1.08rem;
  margin-bottom: 10px;
}
.card p {
  color: var(--gray-600);
  font-size: 0.94rem;
  margin: 0;
}

/* Sobre */
.sobre {
  padding: 88px 0;
}
.sobre-inner {
  max-width: 760px;
}
.sobre p {
  color: var(--gray-600);
  font-size: 1.02rem;
}
.sobre-lista {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}
.sobre-lista li {
  padding-left: 26px;
  position: relative;
  font-weight: 500;
}
.sobre-lista li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 700;
}

/* Portfólio */
.portfolio {
  padding: 88px 0;
  background: var(--gray-100);
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.portfolio-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
}
.portfolio-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  display: block;
  overflow: hidden;
  background: var(--gray-200);
}
.portfolio-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}
.portfolio-thumb::before {
  content: "";
  position: absolute;
  top: 0;
  left: -60%;
  width: 40%;
  height: 100%;
  background: linear-gradient(115deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  transform: skewX(-20deg);
  transition: left 0.55s ease;
  z-index: 1;
}
.portfolio-thumb:hover::before {
  left: 130%;
}
.portfolio-info {
  padding: 20px 22px 24px;
}
.portfolio-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-dark);
  background: rgba(226, 117, 31, 0.12);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.portfolio-info h3 {
  font-size: 1rem;
  margin-bottom: 6px;
}
.portfolio-info p {
  color: var(--gray-600);
  font-size: 0.9rem;
  margin: 0 0 14px;
}
.portfolio-link {
  display: inline-block;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--accent-dark);
}
.portfolio-link:hover {
  color: var(--ink);
}

/* Contato */
.contato {
  padding: 96px 0;
  text-align: center;
}
.contato-inner {
  max-width: 640px;
}
.contato h2 {
  margin-bottom: 10px;
  font-size: clamp(1.15rem, 5.2vw, 2.1rem);
  white-space: nowrap;
}
.contato .section-lead {
  margin: 0 auto 36px;
}
.contato-cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.contato-card {
  flex: 1 1 220px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 22px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.contato-card:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}
.contato-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 6px;
}
.contato-valor {
  display: block;
  font-size: 1.05rem;
  font-weight: 600;
}

/* Footer */
.site-footer {
  background: var(--black);
  color: var(--gray-200);
  padding: 44px 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}
.footer-brand .brand-symbol {
  height: 32px;
  filter: invert(1);
}
.footer-local,
.footer-copy {
  font-size: 0.85rem;
  color: var(--gray-400);
  margin: 0;
}

/* Responsive */
@media (max-width: 860px) {
  .nav {
    position: fixed;
    inset: 72px 0 auto 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    flex-direction: column;
    padding: 18px 24px 24px;
    gap: 16px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.18s ease, opacity 0.18s ease;
  }
  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-cta {
    display: none;
  }
  .nav-cta-mobile {
    display: inline-flex;
    margin-top: 6px;
    align-self: flex-start;
  }
  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 520px) {
  .brand-full {
    display: none;
  }
  .brand-abbr {
    display: inline;
  }
  .hero {
    padding: 64px 0 48px;
  }
  .servicos, .sobre, .portfolio, .contato {
    padding: 64px 0;
  }
  .contato h2 {
    white-space: normal;
    font-size: clamp(1.5rem, 7vw, 2.1rem);
  }
}