/* ===== Design tokens — Zive brand (manual oficial) ===== */
:root {
  --bg: #07070b;
  --bg-soft: #0f0f13;
  --surface: rgba(255, 255, 255, 0.03);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text: #f2f3f7;
  --text-dim: #a6a9b8;
  --text-faint: #74778a;
  --brand-cyan: #64a8c5;     /* Zive cyan — manual: R100 G168 B197 */
  --brand-gray: #424242;     /* Zive gray — manual: R66 G66 B66 */
  --accent: #64a8c5;
  --accent-2: #9ad7ea;       /* lighter cyan p/ gradientes e glow */
  --accent-ink: #05131a;     /* texto escuro sobre o cyan */
  --accent-glow: rgba(100, 168, 197, 0.45);
  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1140px;
  --font-display: 'Sora', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --font-tag: 'Geomatrix', 'JetBrains Mono', ui-monospace, monospace;
}

@font-face {
  font-family: 'Geomatrix';
  src: url('/assets/fonts/Geomatrix.otf') format('opentype');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

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

/* ===== Background decoration ===== */
.bg-grid {
  position: fixed; inset: 0; z-index: -2;
  background-image:
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}
.bg-glow {
  position: fixed; z-index: -1; border-radius: 50%;
  filter: blur(120px); opacity: 0.5; pointer-events: none;
}
.bg-glow--1 { width: 540px; height: 540px; top: -160px; left: -120px; background: radial-gradient(circle, rgba(100,168,197,0.34), transparent 70%); }
.bg-glow--2 { width: 600px; height: 600px; top: 220px; right: -200px; background: radial-gradient(circle, rgba(154,215,234,0.20), transparent 70%); }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(7,7,11,0.6);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.site-header.scrolled { border-bottom-color: var(--border); background: rgba(7,7,11,0.86); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand__logo { height: 28px; width: auto; }

.nav__menu { display: flex; align-items: center; gap: 26px; }
.nav__menu > a:not(.btn) { font-size: 14.5px; font-weight: 500; color: var(--text-dim); transition: color .2s; position: relative; }
.nav__menu > a:not(.btn):hover { color: var(--text); }
.nav__menu > a:not(.btn)::after {
  content: ''; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--accent); transition: width .25s; border-radius: 2px;
}
.nav__menu > a:not(.btn):hover::after { width: 100%; }

.lang-toggle {
  font-family: var(--font-mono); font-size: 12.5px; font-weight: 500;
  padding: 6px 11px; border-radius: 8px; border: 1px solid var(--border);
  color: var(--text-dim); transition: all .2s;
}
.lang-toggle:hover { border-color: var(--border-strong); color: var(--text); }
.lang-toggle .lang-toggle__sep { color: var(--text-faint); margin: 0 2px; }
.lang-toggle .active { color: var(--accent); }

.nav__toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav__toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-display); font-weight: 600; font-size: 15px;
  padding: 13px 24px; border-radius: 12px;
  transition: transform .2s, box-shadow .25s, background .25s, border-color .2s;
  white-space: nowrap;
}
.btn--sm { padding: 9px 16px; font-size: 13.5px; }
.btn--block { width: 100%; }
.btn--primary {
  color: var(--accent-ink);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 26px -8px var(--accent-glow);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 36px -8px var(--accent-glow); }
.btn--ghost { color: var(--text); background: var(--surface); border: 1px solid var(--border); }
.btn--ghost:hover { background: var(--surface-2); border-color: var(--border-strong); transform: translateY(-2px); }

/* ===== Hero ===== */
.hero { padding: clamp(64px, 12vh, 130px) 0 clamp(50px, 8vh, 88px); }
.hero__inner { max-width: 900px; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 13px; color: var(--text-dim);
  padding: 7px 14px; border-radius: 100px; border: 1px solid var(--border);
  background: var(--surface); margin-bottom: 28px;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 var(--accent-glow); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(100,168,197,0.5); } 70% { box-shadow: 0 0 0 9px rgba(100,168,197,0); } 100% { box-shadow: 0 0 0 0 rgba(100,168,197,0); } }

.hero__title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.4rem, 7vw, 4.7rem); line-height: 1.04; letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero__title span { display: block; }
.grad-text {
  background: linear-gradient(110deg, var(--accent) 5%, var(--accent-2) 95%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__role { font-family: var(--font-display); font-weight: 600; font-size: clamp(1rem, 2.2vw, 1.25rem); color: var(--text); margin-bottom: 18px; }
.hero__lead { font-size: clamp(1.02rem, 2vw, 1.2rem); color: var(--text-dim); max-width: 640px; margin-bottom: 36px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 60px; }

/* ===== Stats ===== */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat {
  padding: 22px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
  display: flex; flex-direction: column; align-items: flex-start;
}
.stat__row { display: inline-flex; align-items: baseline; }
.stat__num { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.7rem, 4vw, 2.4rem); line-height: 1; background: linear-gradient(120deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat__plus { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.1rem, 2.5vw, 1.5rem); color: var(--accent); margin-left: 2px; }
.stat__label { font-size: 13.5px; color: var(--text-faint); margin-top: 8px; }

/* ===== Sections ===== */
.section { padding: clamp(64px, 10vh, 112px) 0; position: relative; }
.section__head { max-width: 700px; margin-bottom: 50px; }
.section__head--center { margin-left: auto; margin-right: auto; text-align: center; }
.kicker { font-family: var(--font-tag); font-size: 13px; letter-spacing: 3px; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.section__title { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.7rem, 4vw, 2.7rem); line-height: 1.12; letter-spacing: -0.02em; }
.section__sub { color: var(--text-dim); font-size: 1.08rem; margin-top: 16px; max-width: 640px; }
.section__head--center .section__sub { margin-left: auto; margin-right: auto; }

/* ===== About ===== */
.about { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 52px; align-items: center; }
.about__photo { position: relative; display: flex; justify-content: center; }
.about__photo img {
  width: 100%; max-width: 440px; height: auto; position: relative; z-index: 1;
  filter: drop-shadow(0 22px 38px rgba(0,0,0,0.5));
}
.about__photo-glow {
  position: absolute; z-index: 0; left: 50%; top: 46%; transform: translate(-50%, -50%);
  width: 96%; height: 90%;
  background: radial-gradient(ellipse at 50% 44%, rgba(100,168,197,0.42), rgba(24,99,220,0.16) 46%, transparent 72%);
  filter: blur(48px);
}
.about__body p { color: var(--text-dim); margin: 18px 0; font-size: 1.05rem; }
.about__meta { list-style: none; display: flex; flex-wrap: wrap; gap: 16px 36px; margin-top: 12px; padding-top: 22px; border-top: 1px solid var(--border); }
.about__meta li { display: flex; flex-direction: column; gap: 4px; }
.about__meta span { font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-faint); }
.about__meta strong { font-family: var(--font-display); font-weight: 600; font-size: 15px; }

/* ===== Cards / Stack ===== */
.stack-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  padding: 26px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
  transition: transform .25s, border-color .25s, background .25s;
}
.card:hover { transform: translateY(-4px); border-color: var(--border-strong); background: var(--surface-2); }
.card__title { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; margin-bottom: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span {
  font-family: var(--font-mono); font-size: 12.5px; color: var(--text-dim);
  padding: 6px 11px; border-radius: 8px; background: rgba(255,255,255,0.04); border: 1px solid var(--border);
}

/* ===== Services ===== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service {
  padding: 30px 26px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
  transition: transform .25s, border-color .25s; position: relative; overflow: hidden;
}
.service::before {
  content: ''; position: absolute; inset: 0; opacity: 0; transition: opacity .3s;
  background: radial-gradient(circle at 50% 0%, rgba(100,168,197,0.14), transparent 60%);
}
.service:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.service:hover::before { opacity: 1; }
.service__icon { font-size: 30px; margin-bottom: 16px; }
.service h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.18rem; margin-bottom: 10px; }
.service p { color: var(--text-dim); font-size: 0.97rem; }

/* ===== Cases carousel ===== */
.cases__top { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 40px; }
.cases__top .section__head { margin-bottom: 0; }
.cases__nav { display: flex; gap: 10px; flex-shrink: 0; }
.cases__arrow {
  width: 46px; height: 46px; border-radius: 12px; border: 1px solid var(--border);
  display: grid; place-items: center; font-size: 22px; line-height: 1; color: var(--text-dim);
  transition: border-color .2s, color .2s, background .2s;
}
.cases__arrow:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.cases__arrow:disabled { opacity: .3; cursor: default; }

.cases-carousel {
  display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory;
  scroll-behavior: smooth; padding: 4px 4px 10px; margin: 0 -4px;
  -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.cases-carousel::-webkit-scrollbar { display: none; }
.case-card {
  flex: 0 0 300px; scroll-snap-align: start;
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  transition: border-color .25s, transform .25s;
}
.case-card:hover { border-color: var(--border-strong); transform: translateY(-4px); }
.case-card__media { aspect-ratio: 1 / 1; background: #0a0a10; overflow: hidden; }
.case-card__media img { width: 100%; height: 100%; object-fit: contain; }
.case-card__body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.case-card__tag { font-family: var(--font-tag); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); }
.case-card__name { font-family: var(--font-display); font-weight: 600; font-size: 1.08rem; line-height: 1.25; }
.case-card__links { display: flex; gap: 10px; margin-top: auto; padding-top: 8px; }
.case-card__icon {
  display: grid; place-items: center; width: 46px; height: 40px; border-radius: 10px;
  border: 1px solid var(--border); color: var(--text-dim);
  transition: color .2s, background .2s, border-color .2s;
}
.case-card__icon:hover { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }
.case-card__icon svg { width: 19px; height: 19px; }
.case-card__visit {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-display); font-weight: 600; font-size: 14px;
  padding: 10px 18px; border-radius: 10px; border: 1px solid var(--border); color: var(--text);
  transition: background .2s, color .2s, border-color .2s;
}
.case-card__visit:hover { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

/* ===== Clients / Logo wall ===== */
.logo-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-bottom: 56px; }
.logo-wall__item {
  display: grid; place-items: center; min-height: 92px; padding: 18px;
  border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface);
  transition: border-color .25s, background .25s;
}
.logo-wall__item img {
  max-height: 46px; max-width: 100%; width: auto; object-fit: contain;
  opacity: 0.78;
  transition: opacity .3s, transform .3s;
}
.logo-wall__item:hover { border-color: var(--border-strong); background: var(--surface-2); }
.logo-wall__item:hover img { opacity: 1; transform: scale(1.06); }

/* ===== Highlights ===== */
.highlights { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 56px; }
.highlight { padding: 30px 26px; border-radius: var(--radius); background: linear-gradient(160deg, var(--surface-2), transparent); border: 1px solid var(--border); }
.highlight__num { font-family: var(--font-display); font-weight: 800; font-size: clamp(2rem, 5vw, 3rem); background: linear-gradient(120deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; display: block; margin-bottom: 10px; }
.highlight p { color: var(--text-dim); font-size: 0.98rem; }

/* ===== Course ===== */
.course {
  position: relative; display: grid; grid-template-columns: auto 1fr; gap: 30px;
  padding: 40px; border-radius: var(--radius); overflow: hidden;
  background: linear-gradient(135deg, rgba(100,168,197,0.16), rgba(154,215,234,0.05));
  border: 1px solid rgba(100,168,197,0.30);
}
.course::before {
  content: ''; position: absolute; width: 360px; height: 360px; right: -120px; top: -120px;
  background: radial-gradient(circle, rgba(154,215,234,0.22), transparent 70%); filter: blur(40px);
}
.course__badge {
  align-self: start; writing-mode: vertical-rl; transform: rotate(180deg);
  font-family: var(--font-tag); font-size: 12px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--accent); padding: 8px 0; border-left: 2px solid var(--accent);
}
.course__content { position: relative; z-index: 1; }
.course__text { color: var(--text-dim); margin: 16px 0 20px; font-size: 1.04rem; max-width: 760px; }
.course__list { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 22px; margin-bottom: 26px; }
.course__list li { position: relative; padding-left: 22px; color: var(--text); font-size: 0.95rem; }
.course__list li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

/* ===== Contact ===== */
.section--contact { border-top: 1px solid var(--border); }
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact__channels { display: flex; flex-direction: column; gap: 12px; margin-top: 32px; }
.contact__channel {
  display: flex; flex-direction: column; gap: 3px;
  padding: 16px 20px; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--border);
  transition: border-color .2s, transform .2s, background .2s;
}
a.contact__channel:hover { border-color: var(--accent); transform: translateX(4px); background: var(--surface-2); }
.contact__channel--static { opacity: 0.85; }
.contact__channel-label { font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-faint); }
.contact__channel-value { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; }

.contact__form { padding: 30px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); display: flex; flex-direction: column; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 13px; font-weight: 500; color: var(--text-dim); }
.field input, .field textarea {
  font-family: var(--font-body); font-size: 15px; color: var(--text);
  padding: 13px 15px; border-radius: 11px;
  background: rgba(0,0,0,0.25); border: 1px solid var(--border);
  transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(100,168,197,0.16); }

/* ===== Footer ===== */
.site-footer { border-top: 1px solid var(--border); padding: 44px 0; }
.footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer__brand { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer__brand img { height: 25px; width: auto; }
.footer__brand p { font-size: 12.5px; color: var(--text-faint); }
.footer__meta { font-size: 13px; color: var(--text-faint); text-align: center; }
.footer__top { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--border); font-size: 18px; color: var(--text-dim); transition: all .2s; }
.footer__top:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }

/* ===== Lightbox ===== */
.lightbox {
  position: fixed; inset: 0; z-index: 200; display: none;
  align-items: center; justify-content: center; padding: 32px;
  background: rgba(4,4,8,0.92); backdrop-filter: blur(8px);
}
.lightbox.open { display: flex; animation: fade .2s ease; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.lightbox img { max-width: min(960px, 92vw); max-height: 86vh; border-radius: var(--radius-sm); border: 1px solid var(--border-strong); }
.lightbox__close { position: absolute; top: 24px; right: 28px; font-size: 34px; line-height: 1; color: #fff; opacity: .8; }
.lightbox__close:hover { opacity: 1; }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .about, .contact { grid-template-columns: 1fr; gap: 36px; }
  .about__photo { max-width: 460px; }
  .stack-grid, .services-grid { grid-template-columns: repeat(2, 1fr); }
  .logo-wall { grid-template-columns: repeat(4, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .nav__toggle { display: flex; }
  .nav__menu {
    position: fixed; inset: 72px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    padding: 20px 24px 28px; background: rgba(10,10,16,0.98);
    backdrop-filter: blur(16px); border-bottom: 1px solid var(--border);
    transform: translateY(-130%); transition: transform .35s cubic-bezier(.2,.8,.2,1); pointer-events: none;
  }
  .nav__menu.open { transform: translateY(0); pointer-events: auto; }
  .nav__menu > a:not(.btn) { padding: 12px 0; border-bottom: 1px solid var(--border); }
  .nav__menu .lang-toggle { width: fit-content; margin-top: 6px; }
  .nav__menu .btn { width: 100%; }
  .course { grid-template-columns: 1fr; padding: 30px 24px; }
  .course__badge { writing-mode: horizontal-tb; transform: none; border-left: none; border-bottom: 2px solid var(--accent); padding: 0 0 6px; width: fit-content; }
  .highlights { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .stack-grid, .services-grid { grid-template-columns: 1fr; }
  .logo-wall { grid-template-columns: repeat(3, 1fr); }
  .hero__cta .btn { flex: 1 1 auto; }
  .cases__top { flex-direction: column; align-items: flex-start; }
  .case-card { flex-basis: 80%; }
}

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