/* ============================================================
   ZETRIZ — folha de estilos partilhada
   Paleta: azul marinho + dourado. Tema escuro por omissão,
   com alternativa clara via [data-theme="light"] no <html>.
   ============================================================ */

:root,
html[data-theme="dark"] {
  --bg: #070C15;
  --bg-panel: #0D1626;
  --bg-panel-2: #142338;
  --line: #21324C;
  --blue: #3E7BC4;
  --blue-dim: #1B3454;
  --blue-deep: #00305F;
  --gold: #E4A024;
  --gold-dim: #8C6A1E;
  --signal: #5C9484;
  --text: #EDEFF4;
  --text-muted: #9BA8BC;
  --text-faint: #5C6B82;
  --danger: #C2705F;
}

html[data-theme="light"] {
  --bg: #F4F6FA;
  --bg-panel: #FFFFFF;
  --bg-panel-2: #EAEFF6;
  --line: #D8E0EC;
  --blue: #205A9C;
  --blue-dim: #BFD3EA;
  --blue-deep: #00305F;
  --gold: #B8801E;
  --gold-dim: #EAD6A8;
  --signal: #3C7A66;
  --text: #10151E;
  --text-muted: #4B5568;
  --text-faint: #838FA6;
  --danger: #A8503F;
}

:root{
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --container: 1120px;
}

*{ box-sizing: border-box; margin:0; padding:0; }
html{ scroll-behavior: smooth; }
body{
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background-color .25s ease, color .25s ease;
}
@media (prefers-reduced-motion: reduce){ *{ animation: none !important; transition: none !important; } }
a{ color: inherit; text-decoration: none; }
img{ max-width:100%; display:block; }
button{ font-family: inherit; }
.wrap{ max-width: var(--container); margin: 0 auto; padding: 0 32px; }

.grid-bg{
  position: fixed; inset:0; z-index:0; pointer-events:none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px; opacity: 0.35;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, black 0%, transparent 75%);
}

.eyebrow{
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; color: var(--gold);
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px;
}
.eyebrow::before{ content:""; width: 6px; height: 6px; background: var(--gold); border-radius: 1px; display:inline-block; animation: blink 2.4s ease-in-out infinite; }
@keyframes blink{ 0%,100%{ opacity:1;} 50%{ opacity:.25; } }

/* ---------- NAV ---------- */
header.site-header{
  position: sticky; top:0; z-index:50;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
nav{ display:flex; align-items:center; justify-content:space-between; padding: 18px 0; gap: 20px; }
.logo{ font-family: var(--font-display); font-weight: 700; font-size: 20px; letter-spacing: 0.02em; display:flex; align-items:center; gap:10px; }
.logo img{ height: 32px; width: auto; display:block; }
.logo img.logo-light{ display:none; }
html[data-theme="light"] .logo img.logo-dark{ display:none; }
html[data-theme="light"] .logo img.logo-light{ display:block; }
.logo-mark{ width: 26px; height: 26px; border: 1.5px solid var(--gold); border-radius: 3px; position: relative; display:inline-block; }
.logo-mark::before{ content:""; position:absolute; inset: 5px; border: 1.5px solid var(--blue); border-radius: 1px; }
.nav-links{ display:flex; gap: 30px; align-items:center; }
.nav-links a{ font-size: 14px; color: var(--text-muted); transition: color .2s; }
.nav-links a:hover{ color: var(--text); }
.nav-links a.active{ color: var(--gold); }
.nav-cta{ font-family: var(--font-mono); font-size: 13px; padding: 10px 18px; border: 1px solid var(--gold-dim); color: var(--gold); border-radius: 2px; transition: all .2s; white-space: nowrap; }
.nav-cta:hover{ background: var(--gold); color: var(--bg); border-color: var(--gold); }

.nav-utils{ display:flex; align-items:center; gap: 14px; }
.lang-switch{ display:flex; align-items:center; gap: 4px; font-family: var(--font-mono); font-size: 12px; }
.lang-switch a{ color: var(--text-faint); padding: 4px 6px; border-radius: 2px; }
.lang-switch a.active{ color: var(--gold); }
.lang-switch span{ color: var(--text-faint); }

.theme-toggle{
  width: 34px; height: 34px; border-radius: 2px; border: 1px solid var(--line);
  background: var(--bg-panel); color: var(--text-muted); display:flex; align-items:center; justify-content:center;
  cursor: pointer; transition: border-color .2s, color .2s;
}
.theme-toggle:hover{ border-color: var(--gold-dim); color: var(--gold); }
.theme-toggle svg{ width:16px; height:16px; }
.theme-toggle .icon-sun{ display: none; }
html[data-theme="light"] .theme-toggle .icon-sun{ display: block; }
html[data-theme="light"] .theme-toggle .icon-moon{ display: none; }

.mobile-toggle{ display:none; background:none; border:1px solid var(--line); border-radius:2px; width:36px; height:36px; color: var(--text); cursor:pointer; }

section{ position: relative; z-index: 1; padding: 100px 0; }
.section-head{ max-width: 640px; margin-bottom: 56px; }
.section-head h2{ font-family: var(--font-display); font-size: clamp(26px, 3vw, 36px); font-weight: 600; letter-spacing: -0.01em; }
.section-head p{ color: var(--text-muted); margin-top: 14px; font-size: 15.5px; }

/* ---------- HERO ---------- */
.hero{ position: relative; z-index:1; padding: 80px 0 60px; display:grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center; }
.hero h1{ font-family: var(--font-display); font-size: clamp(34px, 4.4vw, 54px); line-height: 1.08; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 22px; }
.hero h1 em{ font-style: normal; color: var(--gold); }
.hero p{ font-size: 17px; color: var(--text-muted); max-width: 480px; margin-bottom: 34px; }
.btn-row{ display:flex; gap: 16px; flex-wrap: wrap; }
.btn-primary{ font-family: var(--font-mono); font-size: 13.5px; background: var(--gold); color: var(--bg-deep, #0A0E16); background: var(--gold); color: #0A0E16; padding: 14px 24px; border-radius: 2px; font-weight: 500; transition: transform .2s, box-shadow .2s; display:inline-block; border:none; cursor:pointer; }
html[data-theme="light"] .btn-primary{ color: #fff; }
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201,162,75,0.28); }
.btn-secondary{ font-family: var(--font-mono); font-size: 13.5px; color: var(--text); padding: 14px 20px; border: 1px solid var(--line); border-radius: 2px; transition: border-color .2s; }
.btn-secondary:hover{ border-color: var(--text-muted); }

.topo{ position: relative; aspect-ratio: 1/1; max-width: 460px; justify-self: end; }
.topo svg{ width:100%; height:100%; overflow: visible; }
.node-label{ font-family: var(--font-mono); font-size: 10.5px; fill: var(--text-muted); letter-spacing: .04em; }
.node-hub-label{ font-family: var(--font-mono); font-size: 11px; fill: var(--gold); letter-spacing: .06em; }
.pulse{ offset-rotate: 0deg; animation: travel 3.2s linear infinite; }
.pulse.p2{ animation-delay: -1.05s; }
.pulse.p3{ animation-delay: -2.1s; }
@keyframes travel{ 0%{ offset-distance: 0%; opacity: 0; } 8%{ opacity: 1; } 92%{ opacity: 1; } 100%{ offset-distance: 100%; opacity: 0; } }
.link-line{ stroke: var(--line); stroke-width: 1.4; fill:none; }
.hub-ring{ fill:none; stroke: var(--gold-dim); stroke-width: 1; }
.hub-core{ fill: var(--bg-panel); stroke: var(--gold); stroke-width: 1.4; }
.sat-node{ fill: var(--bg-panel); stroke: var(--line); stroke-width: 1.2; }
.sat-node.active{ stroke: var(--blue); }

.strip{ border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 22px 0; position: relative; z-index: 1; }
.strip p{ font-family: var(--font-mono); font-size: 12.5px; color: var(--text-faint); text-align: center; letter-spacing: .03em; }

/* ---------- SERVICES / SPECIALTIES ---------- */
.services-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.service-card{ background: var(--bg); padding: 40px 32px; transition: background .25s; }
.service-card:hover{ background: var(--bg-panel); }
.service-tag{ font-family: var(--font-mono); font-size: 11px; color: var(--signal); letter-spacing: .08em; margin-bottom: 24px; display:block; }
.service-icon{ margin-bottom: 22px; }
.service-card h3{ font-family: var(--font-display); font-size: 19px; font-weight: 600; margin-bottom: 12px; }
.service-card p{ color: var(--text-muted); font-size: 14.5px; }

/* ---------- PROCESS ---------- */
.process{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.process-step{ border-left: 1px solid var(--line); padding-left: 24px; position: relative; }
.process-step .num{ font-family: var(--font-mono); font-size: 12px; color: var(--gold); display:block; margin-bottom: 14px; }
.process-step h3{ font-family: var(--font-display); font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.process-step p{ color: var(--text-muted); font-size: 14.5px; }

/* ---------- WHY / PANELS ---------- */
.why-panel{ background: var(--bg-panel); border: 1px solid var(--line); padding: 56px; display:grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.why-list{ display:flex; flex-direction:column; gap: 22px; }
.why-item{ display:flex; gap: 14px; }
.why-item .dot{ width:6px; height:6px; margin-top:8px; flex-shrink:0; background: var(--gold); border-radius: 1px; }
.why-item p{ font-size: 14.5px; color: var(--text-muted); }
.why-item strong{ color: var(--text); font-weight: 500; }
.readout{ font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); border: 1px solid var(--line); padding: 20px; line-height: 1.9; }
.readout .line{ display:flex; justify-content: space-between; }
.readout .ok{ color: var(--signal); }

/* ---------- CTA STRIP ---------- */
.cta-strip{ border-top: 1px solid var(--line); padding: 80px 0; text-align:center; position: relative; z-index:1; }
.cta-strip h2{ font-family: var(--font-display); font-size: clamp(24px,3vw,32px); font-weight:600; margin-bottom:24px; }

/* ---------- CERT STRIP (Sobre) ---------- */
.cert-strip{ border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; z-index:1; }
.cert-inner{ display:flex; align-items:center; gap: 20px; padding: 26px 0; flex-wrap: wrap; }
.cert-icon{ flex-shrink:0; width:44px; height:44px; border:1px solid var(--gold-dim); border-radius:2px; display:flex; align-items:center; justify-content:center; }
.cert-text{ font-family: var(--font-mono); font-size: 13px; color: var(--text-muted); }
.cert-text strong{ color: var(--gold); font-weight: 500; }

/* ---------- INTRO (Sobre/Portfolio/Contacto) ---------- */
.intro{ padding: 80px 0 40px; position: relative; z-index:1; }
.intro h1{ font-family: var(--font-display); font-size: clamp(32px, 4.2vw, 50px); line-height: 1.1; font-weight: 600; max-width: 780px; margin-bottom: 24px; }
.intro h1 em{ font-style: normal; color: var(--gold); }
.intro p{ font-size: 17px; color: var(--text-muted); max-width: 620px; }

/* ---------- CASE CARDS (Portfolio) ---------- */
.cases{ display:flex; flex-direction:column; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.case{ background: var(--bg); display:grid; grid-template-columns: 1fr 1.3fr; gap: 40px; padding: 48px; align-items: start; }
.case-info .service-tag{ margin-bottom: 18px; }
.case-info h3{ font-family: var(--font-display); font-size: 22px; font-weight: 600; margin-bottom: 14px; }
.case-info .case-location{ font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); margin-bottom: 16px; display:block; }
.case-info p{ color: var(--text-muted); font-size: 14.5px; }
.photo-slots{ display:grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.photo-slot{ aspect-ratio: 4/3; border: 1.5px dashed var(--line); border-radius: 2px; display:flex; flex-direction: column; align-items:center; justify-content:center; gap: 10px; color: var(--text-faint); transition: border-color .2s, color .2s; }
.photo-slot:hover{ border-color: var(--gold-dim); color: var(--gold-dim); }
.photo-slot span{ font-family: var(--font-mono); font-size: 11px; letter-spacing: .04em; }

/* ---------- CONTACT ---------- */
.contact-grid{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; }
.contact-detail-block{ display:flex; flex-direction: column; gap: 14px; margin-top: 6px; }
.contact-detail{ font-family: var(--font-mono); font-size: 13px; color: var(--text-muted); display:flex; gap:10px; }
.contact-detail span{ color: var(--gold); }
.contact-note{ color: var(--text-muted); font-size: 14.5px; margin-top: 28px; max-width: 400px; }
.readout-block{ border: 1px solid var(--line); padding: 20px; margin-top: 32px; }
.readout-block .line{ display:flex; justify-content: space-between; font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); padding: 4px 0; }
.readout-block .ok{ color: var(--signal); }

form{ display:flex; flex-direction:column; gap: 18px; }
.field label{ display:block; font-family: var(--font-mono); font-size: 11.5px; color: var(--text-faint); letter-spacing:.05em; margin-bottom: 8px; }
.field input, .field textarea{ width:100%; background: var(--bg-panel); border: 1px solid var(--line); color: var(--text); padding: 13px 14px; font-family: var(--font-body); font-size: 14px; border-radius: 2px; transition: border-color .2s; }
.field input:focus, .field textarea:focus{ outline: none; border-color: var(--gold-dim); }
.field textarea{ resize: vertical; min-height: 110px; }
.submit-btn{ align-self: flex-start; font-family: var(--font-mono); font-size: 13.5px; background: var(--gold); color:#0A0E16; padding: 14px 28px; border: none; border-radius: 2px; cursor: pointer; font-weight: 500; transition: transform .2s; }
html[data-theme="light"] .submit-btn{ color: #fff; }
.submit-btn:hover{ transform: translateY(-2px); }
.submit-btn:disabled{ opacity:.6; cursor: not-allowed; transform:none; }
#form-status{ font-family: var(--font-mono); font-size: 12.5px; margin-top: 4px; }
.hp-field{ position:absolute; left:-9999px; height:0; overflow:hidden; }

/* ---------- FOOTER ---------- */
footer.site-footer{ border-top: 1px solid var(--line); padding: 48px 0 32px; position: relative; z-index: 1; }
.footer-top{ display:flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 32px; margin-bottom: 40px; }
.footer-links{ display:flex; gap: 32px; flex-wrap: wrap; }
.footer-links a{ font-size: 13.5px; color: var(--text-muted); }
.footer-links a:hover{ color: var(--text); }
.footer-bottom{ display:flex; justify-content: space-between; align-items:center; flex-wrap: wrap; gap: 16px; font-family: var(--font-mono); font-size: 11.5px; color: var(--text-faint); border-top: 1px solid var(--line); padding-top: 24px; }
.footer-legal{ display:flex; gap: 20px; flex-wrap: wrap; }
.footer-legal a{ color: var(--text-faint); }
.footer-legal a:hover{ color: var(--text-muted); }
.social-row{ display:flex; gap: 18px; }

/* ---------- COOKIE BANNER ---------- */
#cookie-banner{
  position: fixed; left: 20px; right: 20px; bottom: 20px; z-index: 200;
  max-width: 680px; margin: 0 auto;
  background: var(--bg-panel); border: 1px solid var(--line); border-radius: 4px;
  padding: 26px 28px; box-shadow: 0 20px 50px rgba(0,0,0,0.35);
  display: none;
}
#cookie-banner.visible{ display:block; }
body.cookie-banner-open{ padding-bottom: 280px; }
#cookie-banner h3{ font-family: var(--font-display); font-size: 16.5px; font-weight: 600; margin-bottom: 10px; }
#cookie-banner p{ font-size: 13.5px; color: var(--text-muted); margin-bottom: 18px; }
.cookie-actions{ display:flex; gap: 12px; flex-wrap: wrap; }
.cookie-btn{ font-family: var(--font-mono); font-size: 12.5px; padding: 10px 16px; border-radius: 2px; cursor: pointer; border: 1px solid var(--line); background: transparent; color: var(--text); transition: border-color .2s; }
.cookie-btn:hover{ border-color: var(--text-muted); }
.cookie-btn.primary{ background: var(--gold); border-color: var(--gold); color:#0A0E16; }
html[data-theme="light"] .cookie-btn.primary{ color:#fff; }

.cookie-categories{ display:none; flex-direction: column; gap: 14px; margin: 18px 0; }
.cookie-categories.visible{ display:flex; }
.cookie-cat{ display:flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding: 12px 0; border-top: 1px solid var(--line); }
.cookie-cat:first-child{ border-top: none; }
.cookie-cat-info strong{ font-size: 13.5px; display:block; margin-bottom: 4px; }
.cookie-cat-info p{ font-size: 12.5px; margin: 0; color: var(--text-faint); }

.switch{ position: relative; display:inline-block; width: 38px; height: 22px; flex-shrink: 0; }
.switch input{ opacity:0; width:0; height:0; }
.switch .slider{ position:absolute; cursor:pointer; inset:0; background: var(--line); border-radius: 22px; transition: .2s; }
.switch .slider::before{ content:""; position:absolute; width:16px; height:16px; left:3px; top:3px; background: var(--text); border-radius:50%; transition:.2s; }
.switch input:checked + .slider{ background: var(--gold); }
.switch input:checked + .slider::before{ transform: translateX(16px); background: #0A0E16; }
.switch input:disabled + .slider{ opacity: .5; cursor: not-allowed; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 860px){
  .nav-links{ display:none; }
  .mobile-toggle{ display:flex; align-items:center; justify-content:center; }
  .hero{ grid-template-columns: 1fr; padding-top: 40px; }
  .topo{ justify-self: center; margin-top: 20px; }
  .services-grid{ grid-template-columns: 1fr; }
  .process{ grid-template-columns: 1fr; gap: 40px; }
  .why-panel{ grid-template-columns: 1fr; padding: 32px; }
  .contact-grid{ grid-template-columns: 1fr; gap: 40px; }
  .case{ grid-template-columns: 1fr; padding: 32px; }
  .wrap{ padding: 0 20px; }
  section{ padding: 64px 0; }
  #cookie-banner{ left: 12px; right: 12px; bottom: 12px; padding: 20px; }
}

/* Mobile nav panel */
.mobile-panel{
  display:none; flex-direction:column; gap: 4px;
  background: var(--bg-panel); border-top: 1px solid var(--line);
  padding: 16px 0;
}
.mobile-panel.open{ display:flex; }
.mobile-panel a{ padding: 12px 32px; font-size: 14.5px; color: var(--text-muted); }
.mobile-panel a.active{ color: var(--gold); }