/* ---------- Fonts (self-hosted, Latin subset) ---------- */
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 400; font-display: swap; src: url(fonts/space-grotesk-latin-400-normal.woff2) format('woff2'); }
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 500; font-display: swap; src: url(fonts/space-grotesk-latin-500-normal.woff2) format('woff2'); }
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 600; font-display: swap; src: url(fonts/space-grotesk-latin-600-normal.woff2) format('woff2'); }
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 700; font-display: swap; src: url(fonts/space-grotesk-latin-700-normal.woff2) format('woff2'); }
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 400; font-display: swap; src: url(fonts/ibm-plex-sans-latin-400-normal.woff2) format('woff2'); }
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 500; font-display: swap; src: url(fonts/ibm-plex-sans-latin-500-normal.woff2) format('woff2'); }
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 600; font-display: swap; src: url(fonts/ibm-plex-sans-latin-600-normal.woff2) format('woff2'); }

/* ---------- Tokens ---------- */
:root {
  --bg: #0A0E12;
  --surface: #12181F;
  --surface-hover: #18202A;
  --border: #232B35;
  --text: #EDEFF2;
  --text-muted: #9AA4B2;
  --accent-1: #5EE6C4;
  --accent-2: #6E8CFF;
  --danger: #FF8A8A;
  --font-head: 'Space Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --max: 1120px;
  --header-h: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 600; line-height: 1.15; margin: 0; }
p { margin: 0; }
a { color: inherit; }

section[id] { scroll-margin-top: calc(var(--header-h) + 8px); }

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

.skip-link { position: absolute; left: -999px; top: 0; background: var(--accent-1); color: #06110D; padding: 10px 16px; z-index: 100; }
.skip-link:focus { left: 16px; top: 16px; }

:focus-visible { outline: 2px solid var(--accent-1); outline-offset: 3px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px; border-radius: 6px; font-weight: 500; font-size: 15px; text-decoration: none;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, box-shadow .15s ease;
  border: 1px solid transparent; cursor: pointer; font-family: var(--font-body);
}
.btn-primary { background: linear-gradient(120deg, var(--accent-1), var(--accent-2)); color: #05100D; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(94, 230, 196, 0.35); }
.btn-primary:disabled { opacity: .6; cursor: progress; transform: none; box-shadow: none; }
.btn-ghost { border-color: var(--border); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--accent-1); color: var(--accent-1); background: rgba(94, 230, 196, 0.05); }
.btn-large { font-size: 17px; padding: 16px 28px; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(10, 14, 18, 0.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: var(--header-h); }

.wordmark { display: flex; align-items: center; gap: 12px; text-decoration: none; font-family: var(--font-head); font-weight: 700; font-size: 18px; color: var(--text); }
.logo-icon { width: 34px; height: 34px; background: linear-gradient(135deg, var(--accent-1), var(--accent-2)); border-radius: 6px; display: flex; align-items: center; justify-content: center; color: #0A0E12; font-weight: 700; font-size: 14px; }

.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a, .mobile-nav a { text-decoration: none; color: var(--text-muted); font-size: 15px; transition: color .15s ease; }
.main-nav a:hover { color: var(--text); }

/* Language switcher (real links to /  and /pt/) */
.lang-switcher { display: inline-flex; align-items: center; gap: 4px; margin-left: 12px; padding: 3px 8px; background: var(--surface); border: 1px solid var(--border); border-radius: 20px; font-family: var(--font-head); font-size: 13px; font-weight: 600; }
.main-nav .lang-switcher a, .mobile-nav .lang-switcher a { color: var(--text-muted); padding: 2px 6px; border-radius: 12px; font-size: 13px; border: 0; transition: color .15s ease, background .15s ease; }
.lang-switcher a.active { color: var(--accent-1); background: rgba(94, 230, 196, 0.1); }
.lang-switcher a:hover { color: var(--text); }
.lang-divider { color: var(--text-muted); opacity: .5; font-size: 12px; }

.nav-toggle { display: none; background: none; border: none; width: 32px; height: 24px; padding: 0; cursor: pointer; flex-direction: column; justify-content: space-between; }
.nav-toggle span { display: block; height: 2px; background: var(--text); border-radius: 2px; transition: transform .25s ease, opacity .2s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(11px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-11px) rotate(-45deg); }

.mobile-nav { display: none; flex-direction: column; padding: 16px 28px 24px; border-bottom: 1px solid var(--border); background: var(--bg); }
.mobile-nav > a { padding: 12px 0; border-top: 1px solid var(--border); }
.mobile-nav .lang-switcher { align-self: flex-start; margin: 16px 0 0; }
.mobile-nav.open { display: flex; }

/* ---------- Hero ---------- */
.hero { padding: 92px 0 76px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--accent-1); font-size: 14px; margin-bottom: 18px; font-family: var(--font-head); letter-spacing: 0.5px; text-transform: uppercase; }
.hero h1 { font-size: clamp(34px, 4.5vw, 52px); max-width: 15ch; margin-bottom: 22px; }
.lede { color: var(--text-muted); font-size: 18px; max-width: 52ch; margin-bottom: 32px; }
.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

.hero-diagram-box { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 28px; box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5); }
.diagram-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--border); font-family: var(--font-head); font-size: 13px; color: var(--text-muted); }
.status-badge { display: inline-flex; align-items: center; gap: 6px; color: var(--accent-1); white-space: nowrap; }
.status-dot { width: 8px; height: 8px; background: var(--accent-1); border-radius: 50%; box-shadow: 0 0 8px var(--accent-1); animation: pulse 2s infinite; }
@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(94, 230, 196, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(94, 230, 196, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(94, 230, 196, 0); }
}

.hero-svg-diagram { width: 100%; height: auto; }
.flow-line { fill: none; stroke: var(--text-muted); stroke-opacity: .5; stroke-width: 2; stroke-dasharray: 4 6; animation: flow 1.6s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -20; } }
.node-cyan { fill: var(--accent-1); filter: drop-shadow(0 0 8px rgba(94,230,196,0.4)); }
.node-blue { fill: var(--accent-2); filter: drop-shadow(0 0 8px rgba(110,140,255,0.4)); }
.node-text { fill: var(--text-muted); font-family: var(--font-body); font-size: 11px; text-anchor: middle; }

/* ---------- Metrics ---------- */
.metrics-band { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 44px 0; }
.metrics-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; text-align: center; }
.metric-item .number { font-family: var(--font-head); font-size: 38px; font-weight: 700; color: var(--accent-1); margin-bottom: 4px; }
.metric-item .label { color: var(--text-muted); font-size: 15px; }

/* ---------- Section titles ---------- */
.section-title { font-size: 14px; color: var(--text-muted); margin: 0 0 40px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }

/* ---------- Services ---------- */
.services { padding: 92px 0; }
.service-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 32px; display: flex; flex-direction: column; justify-content: space-between; transition: border-color .2s ease, transform .2s ease; }
.service-card:hover { border-color: var(--accent-1); transform: translateY(-3px); }
.service-num { font-family: var(--font-head); color: var(--accent-1); font-size: 14px; font-weight: 600; margin-bottom: 12px; }
.service-card h3 { font-size: 22px; margin-bottom: 12px; }
.service-card p { color: var(--text-muted); font-size: 15px; margin-bottom: 24px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }
.tag-list li { background: rgba(35, 43, 53, 0.6); border: 1px solid var(--border); border-radius: 4px; padding: 4px 10px; font-size: 13px; color: var(--text-muted); }

/* ---------- Review (what you get) ---------- */
.review { padding: 0 0 92px; }
.review-box { background: linear-gradient(160deg, rgba(94,230,196,.07), rgba(110,140,255,.07)); border: 1px solid var(--border); border-radius: 12px; padding: 40px; }
.review-box h2 { font-size: clamp(24px, 3vw, 32px); margin-bottom: 12px; }
.review-intro { color: var(--text-muted); max-width: 62ch; margin-bottom: 32px; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 32px; }
.review-item .step-num { color: var(--accent-1); font-family: var(--font-head); font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.review-item h3 { font-size: 18px; margin-bottom: 8px; }
.review-item p { color: var(--text-muted); font-size: 15px; }

/* ---------- Approach ---------- */
.approach { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 92px 0; }
.approach-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.approach-step { background: var(--bg); border: 1px solid var(--border); border-radius: 10px; padding: 28px; }
.approach-step .step-num { color: var(--accent-1); font-family: var(--font-head); font-size: 14px; font-weight: 600; margin-bottom: 10px; }
.approach-step h3 { font-size: 18px; margin-bottom: 10px; }
.approach-step p { color: var(--text-muted); font-size: 15px; }

/* ---------- About ---------- */
.about { padding: 92px 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.about-content h2 { font-size: 32px; margin-bottom: 20px; }
.about-content p { color: var(--text-muted); font-size: 17px; margin-bottom: 18px; }
.about-portrait { width: 140px; height: 140px; border-radius: 50%; object-fit: cover; border: 1px solid var(--border); margin-bottom: 24px; display: block; }
.about-list { display: flex; flex-direction: column; gap: 20px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 32px; margin: 0; }
.about-item dt { font-family: var(--font-head); font-size: 16px; color: var(--accent-1); margin-bottom: 4px; font-weight: 600; }
.about-item dd { margin: 0; color: var(--text-muted); font-size: 15px; }

/* ---------- Contact ---------- */
.contact { padding: 92px 0 110px; background: var(--surface); border-top: 1px solid var(--border); }
.contact-wrap { max-width: 680px; margin: 0 auto; }
.contact-head { text-align: center; margin-bottom: 40px; }
.contact-head h2 { font-size: clamp(28px, 3.6vw, 40px); margin-bottom: 12px; }
.contact-head p { color: var(--text-muted); font-size: 18px; }

.contact-form { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 36px; display: flex; flex-direction: column; gap: 20px; box-shadow: 0 8px 30px rgba(0,0,0,0.4); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-family: var(--font-head); font-size: 14px; font-weight: 500; color: var(--text); }
.form-group label .req { color: var(--accent-1); }
.form-group input, .form-group select, .form-group textarea { background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: 12px 14px; color: var(--text); font-family: var(--font-body); font-size: 16px; transition: border-color .15s ease, box-shadow .15s ease; width: 100%; }
.form-group textarea { resize: vertical; }
.form-group ::placeholder { color: #6B7686; }
.form-group select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239AA4B2' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--accent-1); box-shadow: 0 0 0 3px rgba(94, 230, 196, 0.15); }

.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--text-muted); line-height: 1.5; }
.consent input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--accent-1); flex: none; }
.consent a { color: var(--accent-1); }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-status { min-height: 1.4em; font-size: 15px; color: var(--text-muted); }
.form-status.success { color: var(--accent-1); }
.form-status.error { color: var(--danger); }

.direct-contact { margin-top: 32px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.direct-contact .hint { color: var(--text-muted); font-size: 14px; }
.direct-email { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-head); font-size: 18px; color: var(--accent-1); text-decoration: none; }
.direct-email:hover { text-decoration: underline; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 32px 0; background: var(--bg); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; color: var(--text-muted); font-size: 14px; flex-wrap: wrap; gap: 16px; }
.footer-inner a { text-decoration: none; }
.footer-inner a:hover { color: var(--accent-1); }
.footer-meta { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.footer-social { display: flex; gap: 16px; }
.footer-social a { color: var(--text-muted); transition: color .15s ease; display: inline-flex; }
.footer-social a:hover { color: var(--accent-1); }
.footer-social svg { width: 18px; height: 18px; fill: currentColor; }

/* ---------- Legal / privacy page ---------- */
.legal { padding: 72px 0 96px; }
.legal-wrap { max-width: 760px; margin: 0 auto; padding: 0 28px; }
.legal h1 { font-size: clamp(30px, 4vw, 42px); margin-bottom: 8px; }
.legal .updated { color: var(--text-muted); font-size: 14px; margin-bottom: 40px; }
.legal h2 { font-size: 21px; margin: 36px 0 10px; }
.legal p, .legal li { color: var(--text-muted); font-size: 16px; }
.legal p { margin-bottom: 14px; }
.legal ul { padding-left: 22px; margin: 0 0 14px; }
.legal li { margin-bottom: 6px; }
.legal a { color: var(--accent-1); }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .hero { padding: 64px 0 56px; }
  .hero-grid { grid-template-columns: 1fr; }
  .service-card-grid, .approach-steps, .review-grid { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: 1fr; gap: 24px; }
  .about-grid { grid-template-columns: 1fr; }
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .form-row { grid-template-columns: 1fr; }
  .review-box { padding: 28px; }
  .contact-form { padding: 24px; }
}
@media (max-width: 520px) {
  .header-inner .btn { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}