/* ==========================================================================
   MAHI TECH — styles.css
   Paleta derivada da logo: azul-petróleo profundo -> laranja circuito
   ========================================================================== */

:root{
  --navy:        #0E2233;
  --navy-2:      #14314A;
  --steel:       #21578A;
  --steel-2:     #4A88B8;
  --orange:      #D97A2C;
  --orange-2:    #F0A05C;
  --cream:       #F5F2EA;
  --cream-2:     #EAE5D8;
  --ink:         #17202A;
  --ink-soft:    #4A5560;
  --line:        rgba(14,34,51,0.12);
  --white:       #FFFFFF;

  --font-display: "Space Grotesk", "Archivo", sans-serif;
  --font-body:    "IBM Plex Sans", "Inter", sans-serif;
  --font-mono:    "IBM Plex Mono", "JetBrains Mono", monospace;

  --maxw: 1180px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family: var(--font-display); margin:0; color: var(--navy); }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }
section{ position:relative; }

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before{
  content:"";
  width: 20px;
  height: 1.5px;
  background: var(--orange);
  display:inline-block;
}

/* focus visibility */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ---------------- Header ---------------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245,242,234,0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
}
.brand img{ height: 34px; width:auto; }
.brand-name{
  font-family: var(--font-display);
  font-weight:700;
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--navy);
}
.brand-name span{ color: var(--orange); }

.nav-links{
  display:flex;
  align-items:center;
  gap: 34px;
}
.nav-links a{
  font-size: 14.5px;
  font-weight:500;
  color: var(--navy-2);
  position:relative;
  padding: 4px 0;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0; right:100%;
  bottom:0;
  height:2px;
  background: var(--orange);
  transition: right 0.25s ease;
}
.nav-links a:hover::after{ right:0; }

.nav-cta{
  background: var(--navy);
  color: var(--cream) !important;
  padding: 10px 20px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
}
.nav-cta:hover{ background: var(--orange); color:var(--navy) !important; }

.nav-toggle{ display:none; }

/* ---------------- Hero ---------------- */
.hero{
  padding: 88px 0 64px;
  overflow: hidden;
  position:relative;
  background:
    radial-gradient(1200px 500px at 82% -10%, rgba(217,122,44,0.10), transparent 60%),
    var(--cream);
}
.hero .wrap{
  display:grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items:center;
}
.hero h1{
  font-size: clamp(34px, 4.4vw, 52px);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.hero h1 em{
  font-style: normal;
  background: linear-gradient(92deg, var(--steel) 10%, var(--orange) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub{
  margin-top: 20px;
  font-size: 17.5px;
  color: var(--ink-soft);
  max-width: 46ch;
}
.hero-actions{
  margin-top: 32px;
  display:flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 13px 24px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.03em;
  border: 1px solid transparent;
  cursor:pointer;
}
.btn-primary{
  background: var(--orange);
  color: var(--navy);
  font-weight:600;
}
.btn-primary:hover{ background: var(--orange-2); }
.btn-ghost{
  border-color: var(--navy);
  color: var(--navy);
}
.btn-ghost:hover{ background: var(--navy); color: var(--cream); }

.hero-stats{
  margin-top: 40px;
  display:flex;
  gap: 36px;
  flex-wrap:wrap;
}
.hero-stat b{
  display:block;
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--navy);
}
.hero-stat span{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Signature: migration trace */
.trace-card{
  background: var(--navy);
  border-radius: 6px;
  padding: 30px 26px 26px;
  position:relative;
  box-shadow: 0 30px 60px -20px rgba(14,34,51,0.45);
}
.trace-card .trace-label{
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--steel-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 18px;
  display:block;
}
.trace-svg{ width:100%; height:auto; display:block; }
.trace-caption{
  margin-top: 18px;
  font-size: 13px;
  color: rgba(245,242,234,0.65);
  font-family: var(--font-mono);
}

/* trace animation */
.trace-line{
  stroke-dasharray: 8 6;
  animation: dash 3.2s linear infinite;
}
@keyframes dash{ to{ stroke-dashoffset: -140; } }
.trace-node circle{ transition: r 0.3s ease; }
.pulse{
  animation: pulse 2.4s ease-in-out infinite;
  transform-origin: center;
}
@keyframes pulse{
  0%,100%{ opacity: 0.55; }
  50%{ opacity: 1; }
}

/* ---------------- Reveal on scroll ---------------- */
[data-reveal]{
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* ---------------- Section heads ---------------- */
.section-head{
  max-width: 640px;
  margin-bottom: 48px;
}
.section-head h2{
  margin-top: 14px;
  font-size: clamp(26px, 3vw, 36px);
}
.section-head p{
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 16px;
}

/* ---------------- Services ---------------- */
.services{ padding: 96px 0; }
.service-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow:hidden;
}
.service-card{
  background: var(--white);
  padding: 30px 26px;
  transition: background 0.2s ease;
}
.service-card:hover{ background: #FBF9F4; }
.service-icon{
  width: 40px; height:40px;
  margin-bottom: 18px;
}
.service-card h3{
  font-size: 17px;
  margin-bottom: 10px;
}
.service-card p{
  font-size: 14.5px;
  color: var(--ink-soft);
}
.service-tag{
  display:inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--steel);
  letter-spacing: 0.04em;
}

/* ---------------- Portfolio ---------------- */
.portfolio{
  padding: 96px 0;
  background: var(--navy);
}
.portfolio .eyebrow{ color: var(--orange-2); }
.portfolio .eyebrow::before{ background: var(--orange-2); }
.portfolio .section-head h2{ color: var(--cream); }
.portfolio .section-head p{ color: rgba(245,242,234,0.68); }

.case-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.case-card{
  background: var(--navy-2);
  border: 1px solid rgba(245,242,234,0.10);
  border-radius: 6px;
  padding: 26px;
  display:flex;
  flex-direction:column;
  gap: 14px;
}
.case-sector{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange-2);
}
.case-card h3{
  color: var(--cream);
  font-size: 18px;
}
.case-card p{
  color: rgba(245,242,234,0.68);
  font-size: 14.5px;
}
.case-stack{
  margin-top: auto;
  display:flex;
  flex-wrap:wrap;
  gap: 8px;
  padding-top: 10px;
}
.case-stack span{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--steel-2);
  border: 1px solid rgba(74,136,184,0.4);
  border-radius: 3px;
  padding: 3px 8px;
}

/* ---------------- Impressão 3D ---------------- */
.print3d{
  padding: 96px 0;
  background: var(--cream-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.print-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.print-card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 28px 22px;
}
.print-icon{ width: 36px; height:36px; margin-bottom: 16px; }
.print-card h3{ font-size: 15.5px; margin-bottom: 8px; }
.print-card p{ font-size: 13.5px; color: var(--ink-soft); }
.print-cta{
  margin-top: 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap: 20px;
  background: var(--navy);
  border-radius: 6px;
  padding: 26px 32px;
}
.print-cta p{
  color: rgba(245,242,234,0.78);
  font-size: 15px;
  max-width: 48ch;
}

/* ---------------- About ---------------- */
.about{ padding: 96px 0; }
.about .wrap{
  display:grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items:start;
}
.about-visual{
  background: var(--cream-2);
  border-radius: 6px;
  padding: 34px;
  border: 1px solid var(--line);
}
.about-visual img{ border-radius: 4px; }
.about-list{ margin-top: 24px; }
.about-list li{
  display:flex;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
  color: var(--ink-soft);
}
.about-list li:first-child{ border-top:none; }
.about-list b{ color: var(--navy); font-weight:600; }
.about-copy p{ margin-bottom: 16px; font-size: 16px; color: var(--ink-soft); }
.about-copy p:last-child{ margin-bottom:0; }

/* ---------------- Contact ---------------- */
.contact{
  padding: 96px 0 110px;
  background:
    radial-gradient(900px 400px at 15% 0%, rgba(217,122,44,0.08), transparent 60%),
    var(--cream);
}
.contact-panel{
  background: var(--navy);
  border-radius: 8px;
  padding: 56px;
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items:center;
}
.contact-panel h2{ color: var(--cream); font-size: clamp(24px,3vw,32px); }
.contact-panel p{ color: rgba(245,242,234,0.68); margin-top:14px; font-size:15.5px; max-width:44ch; }
.contact-links{ display:flex; flex-direction:column; gap: 14px; }
.contact-link{
  display:flex;
  align-items:center;
  gap: 14px;
  background: rgba(245,242,234,0.06);
  border: 1px solid rgba(245,242,234,0.14);
  border-radius: 4px;
  padding: 16px 20px;
  color: var(--cream);
}
.contact-link:hover{ border-color: var(--orange-2); background: rgba(217,122,44,0.12); }
.contact-link .lbl{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display:block;
}
.contact-link .val{ font-size: 15.5px; margin-top:2px; }

/* ---------------- Footer ---------------- */
.site-footer{
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.site-footer .wrap{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap: 12px;
}
.site-footer p{
  font-size: 13px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
}

/* ---------------- Responsive ---------------- */
@media (max-width: 900px){
  .hero .wrap{ grid-template-columns: 1fr; }
  .service-grid{ grid-template-columns: 1fr; }
  .case-grid{ grid-template-columns: 1fr; }
  .print-grid{ grid-template-columns: repeat(2, 1fr); }
  .about .wrap{ grid-template-columns: 1fr; }
  .contact-panel{ grid-template-columns: 1fr; padding: 36px 26px; }
  .nav-links{
    position:fixed;
    inset: 62px 0 auto 0;
    background: var(--cream);
    flex-direction:column;
    align-items:flex-start;
    padding: 24px 32px 30px;
    border-bottom: 1px solid var(--line);
    gap: 18px;
    transform: translateY(-140%);
    transition: transform 0.25s ease;
  }
  .nav-links.open{ transform: translateY(0); }
  .nav-toggle{
    display:inline-flex;
    background:none;
    border:none;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--navy);
    cursor:pointer;
  }
}
@media (max-width: 560px){
  .wrap{ padding: 0 20px; }
  .contact-panel{ padding: 28px 20px; }
  .print-grid{ grid-template-columns: 1fr; }
  .print-cta{ padding: 24px 22px; }
}