/* ==========================================================
   RAFAEL MAZZI — ENGENHEIRO CIVIL
   Design system: azul-marinho profundo + dourado queimado
   ========================================================== */

:root {
  /* Cores */
  --bg: #04101D;
  --bg-2: #0C1722;
  --card: #0D1B27;
  --card-hover: #122332;
  --gold: #AF7E3B;
  --gold-bright: #C78A32;
  --gold-dim: #966B34;
  --txt: #F0F0F0;
  --txt-2: #B3B6B8;
  --txt-3: #7F8992;
  --border: #283440;

  /* Tipografia */
  --font-serif: 'Cinzel', serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  /* Layout */
  --container: 1180px;
  --space-section: 80px;
  --radius: 6px;

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--txt);
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

::selection { background: var(--gold-bright); color: #0a0a0a; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--gold-bright);
  color: #04101D;
  padding: 10px 16px;
  z-index: 999;
  font-weight: 600;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .02em;
  border-radius: 5px;
  cursor: pointer;
  transition: all 250ms var(--ease);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn svg { flex-shrink: 0; }

.btn-primary {
  background: var(--gold-bright);
  color: #0a0a0a;
  border-color: var(--gold-bright);
}
.btn-primary:hover {
  background: var(--gold);
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px -12px rgba(199,138,50,.55);
}

.btn-ghost {
  background: transparent;
  color: var(--txt);
  border-color: var(--gold-dim);
}
.btn-ghost:hover {
  border-color: var(--gold-bright);
  color: #fff;
  transform: translateY(-2px);
}

.arrow { transition: transform 250ms var(--ease); display: inline-block; }
.btn-ghost:hover .arrow { transform: translateX(4px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 350ms var(--ease), box-shadow 350ms var(--ease),
              backdrop-filter 350ms var(--ease), padding 350ms var(--ease);
  padding: 22px 0;
}
.site-header.scrolled {
  background: rgba(4,16,29,.85);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
  padding: 12px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: flex; flex-direction: column; line-height: 1.1; }
.brand-logo { width: 270px; height: auto; }
.brand-name {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--txt);
}
.brand-sub {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .34em;
  color: var(--gold-bright);
  margin-top: 4px;
  text-transform: uppercase;
}

.nav-list { display: flex; align-items: center; gap: 34px; }
.nav-link {
  position: relative;
  font-size: 14px;
  font-weight: 500;
  color: var(--txt-2);
  letter-spacing: .02em;
  padding: 6px 0;
  transition: color 250ms var(--ease);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--gold-bright);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 250ms var(--ease);
}
.nav-link:hover { color: var(--txt); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link.active { color: var(--txt); }

/* Menu mobile */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 42px;
  height: 42px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 5px;
  cursor: pointer;
  align-items: center;
  transition: border-color 250ms var(--ease);
}
.menu-toggle .bar {
  width: 20px;
  height: 2px;
  background: var(--txt);
  transition: all 300ms var(--ease);
  transform-origin: center;
}
.menu-toggle:hover { border-color: var(--gold-dim); }
.menu-toggle.open .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle.open .bar:nth-child(2) { opacity: 0; }
.menu-toggle.open .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 130px 0 60px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1100px 600px at 78% 30%, rgba(199,138,50,.07), transparent 60%),
    linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 60%);
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 900'%3E%3Cg stroke='%23F0F0F0' stroke-opacity='0.05' fill='none'%3E%3Cpath d='M150 700V250l150-90V700'/%3E%3Cpath d='M150 250h300V700'/%3E%3Cpath d='M450 250V420h250V700'/%3E%3Cpath d='M450 420h250'/%3E%3Cpath d='M150 560h550'/%3E%3Cg/%3E%3C/svg%3E") center/cover no-repeat;
  opacity: .5;
}

.hero-grid {
  position: static;
  z-index: 2;
  display: block;
}

.hero-content {
  position: relative;
  z-index: 3;
  width: min(54%, 620px);
}

.hero-eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--gold-bright);
  margin-bottom: 26px;
}
.hero-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(30px, 3.6vw, 48px);
  line-height: 1.18;
  letter-spacing: .01em;
  color: var(--txt);
  margin-bottom: 26px;
}
.hero-desc {
  font-size: 17px;
  color: var(--txt-2);
  max-width: 520px;
  margin-bottom: 38px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; }

.hero-media {
  position: absolute;
  z-index: 1;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  pointer-events: none;
}
.hero-photo-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 0;
  box-shadow: none;
  border: 0;
}
.hero-photo-frame picture { display: block; width: 100%; height: 100%; }
.hero-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  filter: grayscale(1) contrast(1.05);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg,
      #04101D 0%,
      #04101D 8%,
      rgba(4,16,29,.94) 16%,
      rgba(4,16,29,.5) 34%,
      rgba(4,16,29,0) 62%
    );
  mix-blend-mode: normal;
}
.hero-overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 68% 84% at 65% 45%,
    rgba(4,12,20,0) 0%,
    rgba(4,12,20,.05) 28%,
    rgba(4,12,20,.18) 45%,
    rgba(4,12,20,.45) 65%,
    rgba(3,9,16,.72) 82%,
    rgba(2,7,13,.94) 100%
  );
  pointer-events: none;
}

/* Curva */
.hero-curve {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 120px;
  z-index: 3;
  pointer-events: none;
}
.hero-curve svg { width: 100%; height: 100%; }
.hero-curve .fill { fill: var(--bg); }
.hero-curve .line {
  stroke: var(--gold-bright);
  stroke-width: 1.2;
  opacity: .55;
}

/* ---------- Seções ---------- */
.section { padding: var(--space-section) 0; }

.section-head { margin-bottom: 48px; }
.section-head.center { text-align: center; }
.section-kicker {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--gold-bright);
  display: block;
  margin-bottom: 14px;
}
.section-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(28px, 3.4vw, 40px);
  color: var(--txt);
  line-height: 1.2;
}
.section-rule {
  display: block;
  width: 56px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-bright), var(--gold-dim));
  margin-top: 22px;
}
.center-rule { margin-left: auto; margin-right: auto; }
.section-sub {
  max-width: 640px;
  margin: 20px auto 0;
  color: var(--txt-2);
  font-size: 16px;
}

/* ---------- Sobre ---------- */
.about { background: var(--bg); }
.about-grid {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 64px;
  align-items: start;
}
.about-text p { color: var(--txt-2); font-size: 16.5px; margin-bottom: 18px; }
.about-text .about-lead { color: var(--txt); font-size: 18px; font-weight: 400; }
.about-formation {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.formation-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 22px;
  color: var(--gold-bright);
  margin-bottom: 20px;
  letter-spacing: .02em;
}
.formation-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(40,52,64,.4);
  color: var(--txt-2);
  font-size: 15px;
}
.formation-list li:last-child { border-bottom: none; }
.fi-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold-bright);
  margin-top: 9px;
  flex-shrink: 0;
}

/* ---------- Serviços ---------- */
.services { background: var(--bg-2); position: relative; overflow: hidden; }
.services::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1400 900'%3E%3Cg stroke='%23F0F0F0' stroke-opacity='0.035' fill='none'%3E%3Cpath d='M1200 120v600'/%3E%3Cpath d='M1200 120h-500'/%3E%3Cpath d='M700 120v600'/%3E%3Cpath d='M200 300h600v400h-600'/%3E%3Cg/%3E%3C/svg%3E") center/cover no-repeat;
  pointer-events: none;
}
.services .container { position: relative; }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.service-card {
  grid-column: span 3;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 28px;
  text-align: center;
  transition: background 250ms var(--ease), border-color 250ms var(--ease),
              transform 250ms var(--ease), box-shadow 250ms var(--ease);
}
.card-icon {
  display: inline-flex;
  color: var(--gold-bright);
  margin: 0 auto 22px;
}
.card-icon svg { width: 40px; height: 40px; }
.card-icon img { width: 84px; height: 84px; object-fit: contain; }
.card-title {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 600;
  color: var(--txt);
  margin-bottom: 12px;
  letter-spacing: .01em;
}
.card-desc { color: var(--txt-2); font-size: 15px; }

.service-card:hover {
  background: var(--card-hover);
  border-color: var(--gold-dim);
  transform: translateY(-4px);
  box-shadow: 0 18px 40px -24px rgba(0,0,0,.7);
}

/* ---------- Engenharia consultiva ---------- */
.consulting {
  position: relative;
  overflow: hidden;
  min-height: 760px;
  padding-top: 96px;
  padding-bottom: 88px;
  background: #071728;
  border-top: 1px solid rgba(111,128,140,.14);
}
.consulting::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('../img/fundo-casa-rafael-mazzi.png');
  background-size: 90%;
  background-repeat: no-repeat;
  background-position: 80% center;
  opacity: 0.30;
  z-index: 1;
  pointer-events: none;
}
.consulting::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    linear-gradient(112deg, rgba(4,16,29,.18), transparent 42%, rgba(3,13,24,.18)),
    radial-gradient(ellipse at 52% 48%, rgba(20,39,52,.16), transparent 62%);
}
.consulting .container { position: relative; z-index: 2; }
.consulting-grid {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: 38px;
  align-items: start;
}
.consulting-copy { padding: 4px 0 20px; }
.consulting-cta { margin-top: 34px; }
.consulting-kicker {
  display: block;
  margin-bottom: 18px;
  color: var(--gold-bright);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .34em;
  line-height: 1.2;
  text-transform: uppercase;
}
.consulting-title {
  max-width: 540px;
  color: var(--txt);
  font-family: 'Cormorant Garamond', var(--font-serif);
  font-size: clamp(42px, 4.45vw, 60px);
  font-weight: 500;
  letter-spacing: -.01em;
  line-height: 1.04;
}
.consulting-rule {
  display: block;
  width: 82px;
  height: 2px;
  margin: 31px 0 45px;
  background: linear-gradient(90deg, var(--gold-bright), var(--gold-dim));
}
.consulting-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  max-width: 500px;
}
.consulting-list li {
  display: flex;
  align-items: center;
  gap: 19px;
  color: #d0d1d0;
  font-size: 16.5px;
  line-height: 1.35;
}
.consulting-check {
  display: inline-flex;
  flex: 0 0 35px;
  align-items: center;
  justify-content: center;
  width: 35px;
  height: 35px;
  border: 1.5px solid var(--gold-bright);
  border-radius: 50%;
  color: var(--gold-bright);
  font-size: 21px;
  font-weight: 400;
  line-height: 1;
}
.consulting-visual {
  position: relative;
  min-height: 720px;
  padding: 0;
}
.consulting-keywords {
  position: absolute;
  top: 11%;
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 19px;
  width: 150px;
  color: #8e969d;
  font-size: 9.5px;
  letter-spacing: .29em;
  line-height: 1.2;
  text-transform: uppercase;
}
.consulting-keywords i {
  display: block;
  width: 42px;
  height: 2px;
  margin-top: 4px;
  background: var(--gold-bright);
}
.consulting-signature {
  position: absolute;
  right: 0;
  bottom: 2%;
  width: 150px;
  padding-top: 26px;
  border-top: 2px solid var(--gold-bright);
  color: #8e969d;
  font-size: 9.5px;
  letter-spacing: .27em;
  line-height: 1.8;
  text-transform: uppercase;
}

/* ---------- Experiência ---------- */
.experience { background: var(--bg); }
.stats-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 44px 24px;
  position: relative;
}
.stat + .stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 56%;
  width: 1px;
  background: var(--border);
}
.stat-value {
  font-family: var(--font-serif);
  font-size: clamp(38px, 4vw, 56px);
  font-weight: 500;
  color: var(--gold-bright);
  line-height: 1;
  margin-bottom: 12px;
}
.stat-label { color: var(--txt-2); font-size: 14.5px; letter-spacing: .03em; }

/* ---------- Áreas ---------- */
.areas { background: var(--bg-2); }
.areas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.area-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 25px;
  overflow: hidden;
  transition: border-color 250ms var(--ease), transform 250ms var(--ease),
              box-shadow 250ms var(--ease);
}
.area-card:hover {
  border-color: var(--gold-dim);
  transform: translateY(-4px);
  box-shadow: 0 22px 46px -26px rgba(0,0,0,.75);
}
.area-media { position: relative; aspect-ratio: 10/7; overflow: hidden; }
.area-media picture { display: block; width: 100%; height: 100%; }
.area-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.area-body { padding: 26px 26px 30px; text-align: center; }
.area-title { font-size: 20px; font-weight: 600; color: var(--txt); margin-bottom: 10px; }
.area-desc { color: var(--txt-2); font-size: 15px; }

/* ---------- Arte técnica (placeholder B&W) ---------- */
.art-bg { fill: #0a141f; }
.art-line { fill: none; stroke: #c8ccd0; stroke-width: 1.6; opacity: .8; }
.art-soft { fill: none; stroke: #6f7b86; stroke-width: 1.2; opacity: .6; }
.art-strong { stroke: #d9a04a; stroke-width: 2; opacity: .85; }
.art-grid, .art-grid path { fill: none; stroke: #6f7b86; stroke-width: 1.2; opacity: .6; }
.paper { fill: rgba(240,240,240,.03); }

/* ---------- Segmentos ---------- */
.segments { background: var(--bg-2); }
.segments-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}
.segment-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 16px;
  text-align: center;
  transition: border-color 250ms var(--ease), background 250ms var(--ease),
              transform 250ms var(--ease);
}
.seg-icon { color: var(--gold-bright); }
.seg-icon img { width: 60px; height: 60px; object-fit: contain; }
.seg-name { color: var(--txt); font-size: 15.5px; font-weight: 500; }
.segment-card:hover {
  border-color: var(--gold-dim);
  background: var(--card-hover);
  transform: translateY(-3px);
}

/* ---------- Contato ---------- */
.contact {
  position: relative;
  background: var(--bg);
  border-top: 1px solid rgba(95,111,125,.18);
  padding-bottom: 112px;
}
.contact-grid {
  display: grid;
  grid-template-columns: minmax(280px, .36fr) minmax(0, .64fr);
  gap: clamp(40px, 5vw, 88px);
  align-items: start;
}
.contact-intro { max-width: 900px; margin: 0 auto 40px; text-align: center; }
.contact-intro .contact-desc { margin: 26px auto 0; }
.contact-media { position: relative; align-self: start; border: 1px solid rgba(215,154,43,.75); border-radius: 20px; overflow: hidden; width: 100%; aspect-ratio: 3/4; }
.contact-photo-social { position: absolute; bottom: 16px; left: 0; right: 0; display: flex; justify-content: center; gap: 14px; z-index: 2; }
.contact-photo-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(215,154,43,.65);
  border-radius: 50%;
  color: var(--gold-bright);
  background: rgba(3,14,28,.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background 220ms ease, border-color 220ms ease, transform 220ms ease;
}
.contact-photo-social a:hover { background: rgba(215,154,43,.18); border-color: #E5AA43; transform: translateY(-2px); }
.contact-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  filter: grayscale(1) contrast(1.05);
  border-radius: 18px;
}
.contact-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 48%, rgba(4,16,29,.9) 100%),
    linear-gradient(0deg, rgba(4,16,29,.72), transparent 38%, rgba(4,16,29,.08));
  pointer-events: none;
}
.contact-body { min-width: 0; text-align: center; }
.contact .section-kicker { color: var(--gold-bright); letter-spacing: .34em; }
.contact .section-title { font-size: clamp(28px, 3.4vw, 40px); }
.contact .section-rule { width: 66px; height: 3px; margin: 26px auto 0; }
.contact-desc { color: var(--txt-2); font-size: 16px; line-height: 1.5; max-width: 720px; margin: 26px auto 0; text-align: center; }
.contact-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: none;
}
.contact-btn { width: 100%; min-height: 64px; border-color: rgba(215,154,43,.75) !important; border-radius: 8px; font-size: 16px; }
.contact .btn-primary,
.contact .btn-ghost {
  background: rgba(5,16,27,.72);
  border-color: rgba(112,130,145,.55);
  color: var(--txt);
}
.contact .btn-primary:hover,
.contact .btn-ghost:hover {
  background: rgba(13,31,45,.88);
  border-color: var(--gold-dim);
}
.contact-btn svg { color: var(--gold-bright); }
.contact-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 32px; margin-top: 0; padding: 30px 32px 32px; border: 1px solid rgba(215,154,43,.75); border-radius: 20px; background: rgba(6,21,34,.38); }
.form-field { min-width: 0; }
.form-field-wide { grid-column: 1 / -1; }
.form-field label { display: block; margin-bottom: 9px; color: var(--txt); font-size: 16px; font-weight: 600; }
.input-wrap { position: relative; display: flex; align-items: center; }
.input-wrap svg { position: absolute; left: 15px; width: 22px; height: 22px; fill: none; stroke: var(--gold-bright); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; pointer-events: none; z-index: 1; }
.input-wrap input, .input-wrap select, .input-wrap textarea { width: 100%; border: 1px solid rgba(130,145,155,.45); border-radius: 8px; background: rgba(3,14,28,.62); color: var(--txt); font: inherit; font-size: 16px; outline: none; transition: border-color 220ms ease, box-shadow 220ms ease; }
.input-wrap input, .input-wrap select { height: 56px; padding: 0 16px 0 54px; }
.input-wrap textarea { min-height: 122px; padding: 16px 16px 16px 54px; resize: vertical; }
.input-wrap input::placeholder, .input-wrap textarea::placeholder { color: #878F98; }
.input-wrap input:focus, .input-wrap select:focus, .input-wrap textarea:focus { border-color: var(--gold-bright); box-shadow: 0 0 0 3px rgba(215,154,43,.12); }
.input-wrap select { appearance: none; cursor: pointer; background-color: #061724; color: var(--txt); }
.input-wrap select option { background: #061724; color: var(--txt); padding: 12px; }
.input-wrap select:invalid { color: #878F98; }
.select-arrow { position: absolute; right: 18px; color: var(--gold-bright); font-size: 22px; pointer-events: none; }
.form-submit { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 64px; border: 1px solid var(--gold-bright); border-radius: 9px; background: linear-gradient(105deg, #171717 0%, #5a4425 55%, #8f6a32 100%); color: var(--gold-bright); font: inherit; font-size: 20px; cursor: pointer; transition: filter 220ms ease, transform 220ms ease; }
.form-submit:hover { filter: brightness(1.12); transform: translateY(-1px); }
.form-submit svg { width: 25px; height: 25px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.form-submit:disabled { cursor: wait; opacity: .7; }
.form-status { grid-column: 1 / -1; min-height: 20px; margin: 0; color: var(--gold-bright); font-size: 14px; }
.form-status.error { color: #e8a1a1; }

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  overflow: hidden;
  border-top: 0;
  background:
    radial-gradient(circle at 75% 35%, rgba(13,40,63,.18), transparent 45%),
    linear-gradient(120deg, #08131D 0%, #04101D 55%, #061626 100%);
  padding: 74px 0 48px;
  text-align: center;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  border-top: 1px solid rgba(95,111,125,.12);
  pointer-events: none;
}
.footer-curve {
  position: absolute;
  top: -160px;
  left: 0;
  width: 100%;
  height: 74px;
  z-index: 2;
  pointer-events: none;
}
.footer-curve svg { width: 100%; height: 100%; overflow: visible; }
.footer-curve path {
  fill: none;
  stroke: var(--gold-dim);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}
.footer-blueprint {
  position: absolute;
  right: 1%;
  bottom: -42px;
  width: min(31%, 520px);
  height: auto;
  color: #607789;
  opacity: .1;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 32%, #000);
  mask-image: linear-gradient(90deg, transparent, #000 32%, #000);
}
.footer-inner { position: relative; z-index: 1; }
.footer-logo { width: 270px; height: auto; margin: 0 auto 24px; }
.footer-logo { width: 270px; height: auto; margin: 0 auto 24px; }
.footer-brand {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--txt);
}
.footer-sub {
  font-size: 11px;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--gold-bright);
  margin-top: 8px;
}
.footer-rule {
  display: block;
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-bright), var(--gold-dim));
  margin: 26px auto;
}
.footer-links { display: flex; justify-content: center; gap: 28px; margin-bottom: 22px; }
.footer-links a { color: var(--txt-3); font-size: 14px; transition: color 250ms var(--ease); }
.footer-links a:hover { color: var(--gold-bright); }
.footer-copy { color: var(--txt-3); font-size: 13.5px; }

/* ---------- Animações (reveal) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 650ms var(--ease), transform 650ms var(--ease);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 300ms var(--ease), background 300ms var(--ease);
}
.faq-item[open] { border-color: rgba(199,138,50,.35); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 46px 18px 20px;
  font-weight: 600;
  font-size: 16px;
  color: var(--txt);
  transition: color 300ms var(--ease);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 500;
  color: var(--gold-bright);
  transition: transform 300ms var(--ease);
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item summary:hover { color: var(--gold-bright); }
.faq-item p {
  padding: 0 46px 20px 20px;
  font-size: 15px;
  color: var(--txt-2);
}

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

/* Tablet (<= 1024) */
@media (max-width: 1024px) {
  .cards-grid .service-card { grid-column: span 6; }
  .segments-grid { grid-template-columns: repeat(3, 1fr); }
  .areas-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-content { width: min(58%, 620px); }
  .hero-media { width: 100%; }
  .contact-actions { grid-template-columns: repeat(2, 1fr); }
  .consulting-grid { grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: 28px; }
  .consulting-title { font-size: clamp(30px, 4vw, 44px); }
  .consulting-visual { min-height: 0; padding-right: 0; }
  .consulting-keywords, .consulting-signature { right: 0; width: 124px; }
  .consulting::before { background-size: 85%; opacity: 0.25; }
}

/* Nav tablet: show hamburger below 960 */
@media (max-width: 960px) {
  .menu-toggle { display: flex; }
  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(320px, 82vw);
    background: rgba(6,16,28,.97);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-left: 1px solid var(--border);
    transform: translateX(100%);
    transition: transform 350ms var(--ease);
    padding-top: 100px;
    z-index: -1;
  }
  .site-nav.open { transform: translateX(0); }
  .nav-list { flex-direction: column; align-items: flex-start; gap: 8px; padding: 0 34px; }
  .nav-link { font-size: 18px; padding: 10px 0; }
}

/* Tablet portrait (<= 820) */
@media (max-width: 820px) {
  :root { --space-section: 64px; }
  .hero { min-height: auto; padding-top: 140px; }
  .hero-content { width: 100%; }
  .hero-grid { display: grid; grid-template-columns: 1fr; gap: 44px; }
  .hero-content { max-width: 640px; }
  .hero-media {
    position: relative;
    top: auto;
    right: auto;
    width: min(100%, 420px);
    height: auto;
    aspect-ratio: 2 / 3;
    margin: 0 auto;
    pointer-events: auto;
  }
  .hero-photo-frame {
    position: relative;
    inset: auto;
    height: auto;
    aspect-ratio: 2 / 3;
    border-radius: var(--radius);
    border: 1px solid var(--border);
  }
  .hero-overlay {
    background: linear-gradient(180deg, rgba(4,16,29,.08) 0%, rgba(4,16,29,0) 54%, rgba(4,16,29,.18) 100%);
  }
  .hero-overlay::before {
    background: radial-gradient(
      ellipse 62% 74% at 50% 42%,
      rgba(4,12,20,0) 0%,
      rgba(4,12,20,.05) 28%,
      rgba(4,12,20,.18) 45%,
      rgba(4,12,20,.45) 65%,
      rgba(3,9,16,.72) 82%,
      rgba(2,7,13,.94) 100%
    );
  }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .contact-media { max-width: 420px; margin: 0 auto; }
  .footer-blueprint { width: 52%; right: -6%; opacity: .07; }
  .consulting { min-height: 0; }
  .consulting-grid { grid-template-columns: 1fr; gap: 30px; }
  .consulting-copy { padding-top: 0; }
  .consulting-visual { min-height: 0; max-width: 680px; width: 100%; margin: 0 auto; padding-right: 0; }
  .consulting-keywords, .consulting-signature { right: 10px; }
  .consulting-keywords { top: 30px; }
  .consulting::before { background-size: 75%; opacity: 0.20; }
}

/* Mobile (<= 640) */
@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .cards-grid { grid-template-columns: 1fr; }
  .cards-grid .service-card { grid-column: span 1; }
  .areas-grid { grid-template-columns: 1fr; }
  .segments-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-panel { grid-template-columns: 1fr; }
  .stat + .stat::before { left: 50%; top: 0; transform: translateX(-50%); width: 56%; height: 1px; }
  .contact-actions { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; gap: 18px; padding: 24px 20px; }
  .form-field-wide { grid-column: auto; }
  .form-status { grid-column: auto; }
  .contact .section-title { font-size: clamp(38px, 11vw, 48px); }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
  .consulting-title { font-size: clamp(30px, 9vw, 40px); }
  .consulting-rule { margin: 22px 0 30px; }
  .consulting-list { gap: 14px; }
  .consulting-list li { gap: 13px; font-size: 14px; }
  .consulting-check { flex-basis: 30px; width: 30px; height: 30px; font-size: 18px; }
  .consulting-visual { min-height: 0; padding-right: 0; }
  .consulting-keywords { top: 24px; right: 0; gap: 11px; width: 102px; font-size: 8px; letter-spacing: .18em; }
  .consulting-keywords i { width: 34px; }
  .consulting-signature { right: 0; bottom: -8px; width: 102px; padding-top: 16px; font-size: 8px; letter-spacing: .16em; }
  .consulting::before { background-size: 65%; opacity: 0.12; background-position: 92% center; }
}

/* Mobile muito pequeno (<= 380) */
@media (max-width: 380px) {
  .segments-grid { grid-template-columns: 1fr; }
}

/* Foco acessibilidade */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
}