/* =========================================================================
   Grupo IATech — Folha de estilo principal
   Organização:
   1. Tokens (variáveis de cor, tipografia, layout)
   2. Reset e base
   3. Utilitários (container, eyebrow, botões, pílulas)
   4. Cabeçalho / navegação
   5. Hero
   6. Faixa de números
   7. Sobre
   8. Marcas
   9. Produtos
   10. App LinusMais
   11. Segurança
   12. Canais
   13. FAQ
   14. CTA final
   15. Rodapé
   16. Páginas legais (privacidade / termos)
   17. Responsivo
   ========================================================================= */

/* 1. TOKENS ------------------------------------------------------------- */
:root {
  /* Cores da marca */
  --navy:        #0A1E3F;
  --navy-deep:   #071630;
  --navy-2:      #0E2A54;
  --blue:        #1E5BD6;
  --blue-tint:   #EAF1FE;
  --green:       #16A36A;
  --green-deep:  #0B6B45;
  --green-tint:  #E6F6EE;

  /* Texto e neutros */
  --text:        #0A1E3F;
  --muted:       #43526B;
  --muted-2:     #5B6B82;
  --faint:       #8797AC;
  --border:      #E4EAF2;
  --border-2:    #E7ECF3;
  --bg-soft:     #F4F7FB;
  --white:       #FFFFFF;

  /* Layout e tipografia */
  --maxw:        1180px;
  --font:        'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --serif:       'IBM Plex Serif', Georgia, serif;
  --radius:      16px;
}

/* 2. RESET E BASE ------------------------------------------------------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
::selection { background: var(--blue); color: #fff; }

/* 3. UTILITÁRIOS -------------------------------------------------------- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

.eyebrow {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--blue);
  text-transform: uppercase;
}

.pill {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 5px 11px;
  border-radius: 99px;
}
.pill--blue  { color: var(--blue);      background: var(--blue-tint); }
.pill--green { color: var(--green-deep); background: var(--green-tint); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14.5px;
  padding: 13px 22px;
  border-radius: 11px;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--blue); color: #fff; box-shadow: 0 8px 24px rgba(30,91,214,.4); }
.btn--lg { font-size: 16px; padding: 16px 30px; border-radius: 13px; }

/* 4. CABEÇALHO / NAVEGAÇÃO ---------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-2);
}
.nav {
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.nav__logo  { width: 34px; height: 34px; border-radius: 9px; object-fit: cover; }
.nav__name  { font-weight: 600; font-size: 16.5px; letter-spacing: -.3px; }
.nav__name span { color: var(--blue); }
.nav__links { display: flex; align-items: center; gap: 28px; font-size: 14.5px; font-weight: 500; }
.nav__links a { text-decoration: none; color: var(--muted); }
.nav__links a:hover { color: var(--blue); }
.nav__back { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); text-decoration: none; font-weight: 500; font-size: 14.5px; }
.nav__back:hover { color: var(--blue); }

/* 5. HERO --------------------------------------------------------------- */
.hero {
  position: relative;
  color: #fff;
  overflow: hidden;
  background: radial-gradient(120% 100% at 80% 0%, var(--navy-2) 0%, var(--navy) 55%, var(--navy-deep) 100%);
}
.hero__grid-bg {
  position: absolute; inset: 0; opacity: .5;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 56px 56px;
}
.hero__inner {
  position: relative;
  padding: 74px 28px 84px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: center;
}
.hero__eyebrow {
  display: inline-block;
  font-size: 12.5px; font-weight: 600; letter-spacing: 2px;
  color: #7FA8F0;
  border: 1px solid rgba(127,168,240,.35);
  padding: 6px 12px; border-radius: 99px;
}
.hero h1 { font-size: 52px; line-height: 1.05; letter-spacing: -1.5px; font-weight: 600; margin: 22px 0 0; }
.hero__sub { font-size: 18px; line-height: 1.6; color: #B9C6DC; margin: 22px 0 0; max-width: 520px; }
.hero__sub strong { color: #fff; font-weight: 600; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero__legal { font-size: 13px; color: #8397B4; margin: 28px 0 0; line-height: 1.6; }

/* Visual da marca (substitui a foto no hero) */
.hero__visual { position: relative; }
.hero__visual-glow { position: absolute; inset: -18px; filter: blur(20px);
  background: radial-gradient(circle at 50% 40%, rgba(30,91,214,.5), transparent 70%); }
.hero__visual-frame {
  position: relative;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 22px; padding: 14px; backdrop-filter: blur(6px);
}
.visual-card {
  position: relative; width: 100%; height: 320px;
  border-radius: 14px; overflow: hidden;
  background: linear-gradient(160deg, #173B72 0%, #0B2145 58%, #081A36 100%);
}
.visual-card__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 34px 34px;
}
.visual-card__glow { position: absolute; top: -40px; right: -30px; width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(46,110,220,.55), transparent 68%); filter: blur(6px); }
.visual-card__watermark { position: absolute; bottom: -24px; right: -18px; width: 210px; height: 210px;
  object-fit: contain; filter: brightness(0) invert(1); opacity: .07; transform: rotate(-6deg); }
.visual-card__tag {
  position: absolute; left: 26px; top: 24px;
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
  padding: 6px 12px; border-radius: 99px; font-size: 12px; font-weight: 600; color: #CFE0F5;
}
.visual-card__dot { width: 8px; height: 8px; border-radius: 99px; background: #3BD488; box-shadow: 0 0 0 3px rgba(59,212,136,.22); }
.visual-card__body { position: absolute; left: 26px; bottom: 26px; right: 26px; }
.visual-card__label { font-size: 12.5px; color: #9DB3D4; font-weight: 500; }
.visual-card__value { font-size: 38px; font-weight: 600; letter-spacing: -1.2px; color: #fff; margin-top: 2px; }
.visual-card__value span { font-size: 22px; color: #9DB3D4; }
.visual-card__bars { display: flex; align-items: flex-end; gap: 7px; height: 52px; margin-top: 16px; }
.visual-card__bars i { flex: 1; border-radius: 4px; display: block; }
.visual-card__chips { display: flex; gap: 8px; margin-top: 16px; }
.visual-card__chips span { font-size: 11.5px; font-weight: 600; color: #CFE0F5; background: rgba(255,255,255,.08); padding: 5px 11px; border-radius: 8px; }

.hero__stats { display: flex; gap: 10px; margin-top: 12px; }
.hero__stat { flex: 1; background: rgba(255,255,255,.06); border-radius: 12px; padding: 14px 16px; }
.hero__stat b { display: block; font-size: 22px; font-weight: 600; letter-spacing: -.5px; }
.hero__stat span { font-size: 12px; color: #9DB0CC; }

/* 6. FAIXA DE NÚMEROS --------------------------------------------------- */
.stats { background: var(--navy); border-top: 1px solid rgba(255,255,255,.08); }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.08); }
.stat { background: var(--navy); padding: 30px 22px; text-align: center; }
.stat__num { font-size: 34px; font-weight: 600; color: #fff; letter-spacing: -1px; }
.stat__label { font-size: 13.5px; color: #8397B4; margin-top: 4px; }

/* 7. SOBRE -------------------------------------------------------------- */
.section { padding: 96px 0; }
.about__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: start; }
.section-title { font-size: 36px; line-height: 1.12; letter-spacing: -1px; font-weight: 600; margin: 16px 0 0; }
.about__lead { font-family: var(--serif); font-size: 22px; line-height: 1.5; margin: 0; }
.about__text { font-size: 16.5px; line-height: 1.72; color: var(--muted); margin: 22px 0 0; }
.about__points { display: flex; gap: 36px; margin-top: 32px; flex-wrap: wrap; }
.about__point { max-width: 220px; }
.about__point b { font-size: 15.5px; }
.about__point p { font-size: 14px; color: var(--muted-2); line-height: 1.55; margin: 4px 0 0; }

/* 8. MARCAS ------------------------------------------------------------- */
.brands { background: var(--bg-soft); border-top: 1px solid var(--border-2); border-bottom: 1px solid var(--border-2); }
.brands__inner { padding: 88px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto; }
.section-head h2 { font-size: 34px; line-height: 1.12; letter-spacing: -1px; font-weight: 600; margin: 14px 0 10px; }
.section-head p { font-size: 16px; color: var(--muted-2); line-height: 1.6; margin: 0; }
.brands__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 44px; }
.brand-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 34px; display: flex; flex-direction: column; }
.brand-card__head { display: flex; align-items: center; justify-content: space-between; }
.brand-card__id { display: flex; align-items: center; gap: 11px; }
.brand-logo { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; }
.brand-logo img { width: 20px; height: 20px; object-fit: contain; }
.brand-logo--iatech img { width: 40px; height: 40px; border-radius: 10px; }
.brand-logo--linus  { background: #0A0A0A; }
.brand-logo--linus img { filter: brightness(0) invert(1); }
.brand-card__name { font-weight: 600; font-size: 19px; }
.brand-card__desc { font-size: 15.5px; line-height: 1.66; color: var(--muted); margin: 20px 0 0; }
.brand-list { list-style: none; padding: 0; margin: 20px 0 0; display: flex; flex-direction: column; gap: 10px; }
.brand-list li { display: flex; gap: 10px; font-size: 14.5px; color: #334157; }
.brand-list li b { color: var(--blue); font-weight: 700; }
.brand-list--green li b { color: var(--green); }
.brand-card__link { margin-top: auto; padding-top: 26px; text-decoration: none; font-weight: 600; font-size: 14.5px; color: var(--blue); }
.brand-card__link--green { color: var(--green); }

/* 9. PRODUTOS ----------------------------------------------------------- */
.products__intro { max-width: 640px; }
.products__intro h2 { font-size: 36px; line-height: 1.12; letter-spacing: -1px; font-weight: 600; margin: 14px 0 10px; }
.products__intro p { font-size: 16px; color: var(--muted-2); line-height: 1.6; margin: 0; }
.product {
  display: grid; grid-template-columns: .95fr 1.05fr; gap: 48px; align-items: center;
  background: #fff; border: 1px solid var(--border-2); border-radius: 20px; overflow: hidden;
  margin-top: 24px;
}
.product--first { margin-top: 52px; }
.product--reverse { grid-template-columns: 1.05fr .95fr; }
.product__body { padding: 44px 40px; }
.product__body h3 { font-size: 27px; letter-spacing: -.6px; font-weight: 600; margin: 16px 0 0; }
.product__body p { font-size: 15.5px; line-height: 1.68; color: var(--muted); margin: 12px 0 0; }
.product__body .btn { margin-top: 24px; }
.product__steps { padding: 44px 40px; background: #F7F9FC; height: 100%; }
.product__steps--right { border-left: 1px solid #EBF0F6; }
.product__steps--left  { border-right: 1px solid #EBF0F6; }
.product__steps-title { font-size: 12.5px; font-weight: 600; letter-spacing: 1px; color: #8797AC; margin-bottom: 20px; }
.steps { display: flex; flex-direction: column; gap: 16px; }
.step { display: flex; gap: 14px; align-items: flex-start; }
.step__num { flex: none; width: 26px; height: 26px; border-radius: 8px; background: var(--navy); color: #fff;
  font-size: 13px; font-weight: 600; display: flex; align-items: center; justify-content: center; }
.step__num--done { background: var(--green); }
.step p { font-size: 14.5px; color: #334157; line-height: 1.5; margin: 0; }

/* 10. APP LINUSMAIS ----------------------------------------------------- */
.app-cta { padding: 56px 0 96px; }
.app-cta__inner {
  background: linear-gradient(135deg, var(--green-deep) 0%, var(--navy) 100%);
  border-radius: 24px; padding: 52px 48px; color: #fff;
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; overflow: hidden;
}
.app-cta__logo { width: 34px; height: 34px; object-fit: contain; filter: brightness(0) invert(1); }
.app-cta__badge { display: inline-block; margin-top: 14px; font-size: 11.5px; font-weight: 600; letter-spacing: 1px;
  color: #8DE9BC; background: rgba(22,163,106,.25); padding: 5px 12px; border-radius: 99px; }
.app-cta__inner h3 { font-size: 32px; letter-spacing: -.8px; font-weight: 600; margin: 18px 0 0; line-height: 1.12; }
.app-cta__inner p { font-size: 16px; line-height: 1.66; color: #C6D6E4; margin: 16px 0 0; max-width: 460px; }
.store-btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.store-btn { display: inline-flex; align-items: center; gap: 10px; background: #fff; color: var(--navy);
  text-decoration: none; font-weight: 600; font-size: 14px; padding: 12px 20px; border-radius: 11px; }
.app-cta__phone { display: flex; justify-content: center; }
.app-cta__phone img { width: 250px; height: auto; filter: drop-shadow(0 26px 50px rgba(0,0,0,.45)); }

/* 11. SEGURANÇA --------------------------------------------------------- */
.security { background: var(--bg-soft); border-top: 1px solid var(--border-2); border-bottom: 1px solid var(--border-2); }
.security__inner { padding: 88px 0; }
.security__head { max-width: 640px; }
.security__head h2 { font-size: 34px; line-height: 1.12; letter-spacing: -1px; font-weight: 600; margin: 14px 0 10px; }
.security__head p { font-size: 16px; color: var(--muted-2); line-height: 1.6; margin: 0; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.feature { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 26px; }
.feature__icon { width: 40px; height: 40px; border-radius: 11px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.feature__icon--blue  { background: var(--blue-tint); }
.feature__icon--green { background: var(--green-tint); }
.feature b { font-size: 16px; }
.feature p { font-size: 13.5px; color: var(--muted-2); line-height: 1.55; margin: 6px 0 0; }
.disclaimer { font-size: 13px; color: #8797AC; line-height: 1.6; margin: 28px 0 0; max-width: 820px; }

/* 12. CANAIS ------------------------------------------------------------ */
.channels__grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: center; }
.channels__intro h2 { font-size: 34px; line-height: 1.12; letter-spacing: -1px; font-weight: 600; margin: 14px 0 0; }
.channels__intro p { font-size: 16px; color: var(--muted-2); line-height: 1.62; margin: 14px 0 0; }
.channels__phone { margin-top: 22px; font-size: 14px; color: var(--muted); }
.channels__phone a { display: inline-block; font-size: 22px; font-weight: 600; color: var(--navy); text-decoration: none; letter-spacing: -.4px; }
.channels__cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.channel { text-decoration: none; background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 24px; transition: border-color .15s, box-shadow .15s; }
.channel:hover { border-color: var(--blue); box-shadow: 0 8px 24px rgba(10,30,63,.08); }
.channel__icon { width: 40px; height: 40px; border-radius: 11px; display: flex; align-items: center; justify-content: center; }
.channel b { display: block; font-size: 16px; margin-top: 14px; }
.channel span { font-size: 13.5px; color: var(--muted-2); }

/* 13. FAQ --------------------------------------------------------------- */
.faq { background: var(--bg-soft); border-top: 1px solid var(--border-2); }
.faq__inner { max-width: 820px; margin: 0 auto; padding: 88px 28px; }
.faq__head { text-align: center; }
.faq__head h2 { font-size: 34px; line-height: 1.12; letter-spacing: -1px; font-weight: 600; margin: 14px 0 0; }
.faq__list { margin-top: 36px; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 2px 22px; }
.faq-item summary { display: flex; justify-content: space-between; align-items: center; gap: 16px;
  cursor: pointer; padding: 20px 0; font-weight: 600; font-size: 16.5px; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-plus { flex: none; color: var(--blue); font-size: 24px; font-weight: 400; line-height: 1; transition: transform .2s; }
.faq-item[open] .faq-plus { transform: rotate(45deg); }
.faq-item p { margin: 0 0 20px; font-size: 15px; line-height: 1.66; color: var(--muted); }

/* 14. CTA FINAL --------------------------------------------------------- */
.cta-final { background: var(--navy); color: #fff; }
.cta-final__inner { padding: 76px 28px; text-align: center; }
.cta-final h2 { font-size: 34px; letter-spacing: -.8px; font-weight: 600; margin: 0 0 12px; }
.cta-final p { font-size: 16.5px; color: #B9C6DC; margin: 0 auto 28px; max-width: 520px; }

/* 15. RODAPÉ ------------------------------------------------------------ */
.footer { background: var(--navy-deep); color: #8397B4; }
.footer__inner { padding: 56px 28px 40px; max-width: var(--maxw); margin: 0 auto; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer__brand { display: flex; align-items: center; gap: 11px; }
.footer__brand img { width: 34px; height: 34px; border-radius: 9px; object-fit: cover; }
.footer__brand span { font-weight: 600; font-size: 16.5px; color: #fff; }
.footer__about { font-size: 13.5px; line-height: 1.65; margin: 16px 0 0; max-width: 280px; }
.footer__title { font-size: 12px; font-weight: 600; letter-spacing: 1px; color: #5C7196; text-transform: uppercase; }
.footer__links { display: flex; flex-direction: column; gap: 11px; margin-top: 16px; font-size: 14px; }
.footer__links a { text-decoration: none; color: #AEBCD3; }
.footer__links a:hover { color: #fff; }
.footer__legal { border-top: 1px solid rgba(255,255,255,.08); margin-top: 40px; padding-top: 24px; font-size: 12.5px; line-height: 1.7; color: #647A9C; }
.footer__legal p { margin: 0; }
.footer__legal p + p { margin-top: 12px; }

/* 16. PÁGINAS LEGAIS ---------------------------------------------------- */
.legal-header { background: radial-gradient(120% 100% at 80% 0%, var(--navy-2) 0%, var(--navy) 55%, var(--navy-deep) 100%); color: #fff; }
.legal-header__inner { max-width: 820px; margin: 0 auto; padding: 64px 28px 56px; }
.legal-header h1 { font-size: 42px; line-height: 1.08; letter-spacing: -1.2px; font-weight: 600; margin: 20px 0 0; }
.legal-header p { font-size: 16px; line-height: 1.6; color: #B9C6DC; margin: 16px 0 0; max-width: 560px; }
.legal-header__date { font-size: 13px; color: #8397B4; margin: 22px 0 0; }
.legal-content { max-width: 820px; margin: 0 auto; padding: 64px 28px 40px; }
.legal-lead { font-family: var(--serif); font-size: 20px; line-height: 1.55; margin: 0 0 40px; padding-bottom: 32px; border-bottom: 1px solid var(--border-2); }
.legal-sections { display: flex; flex-direction: column; gap: 38px; }
.legal-section__head { display: flex; align-items: baseline; gap: 12px; }
.legal-section__num { font-size: 14px; font-weight: 600; color: var(--blue); }
.legal-section h2 { font-size: 22px; letter-spacing: -.4px; font-weight: 600; margin: 0; }
.legal-section p { font-size: 15.5px; line-height: 1.72; color: var(--muted); margin: 14px 0 0; }
.legal-section a { color: var(--blue); font-weight: 600; text-decoration: none; }
.legal-list { list-style: none; padding: 0; margin: 14px 0 0; display: flex; flex-direction: column; gap: 10px; }
.legal-list li { display: flex; gap: 11px; font-size: 15px; line-height: 1.6; color: #334157; }
.legal-list li b.mark { color: var(--blue); font-weight: 700; flex: none; }
.contact-box { margin-top: 44px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 18px; padding: 32px 34px; }
.contact-box p { font-size: 15.5px; line-height: 1.72; color: var(--muted); margin: 14px 0 18px; }
.contact-box__btns { display: flex; flex-wrap: wrap; gap: 12px; }
.btn--outline { background: #fff; border: 1px solid #D4DEEC; color: var(--navy); }
.footer--legal .footer__inner { padding: 44px 28px; }
.footer--legal .footer__row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; align-items: center; }
.footer--legal .footer__row-links { display: flex; gap: 22px; font-size: 14px; }
.footer--legal .footer__row-links a { text-decoration: none; color: #AEBCD3; }

/* 17. RESPONSIVO -------------------------------------------------------- */
@media (max-width: 900px) {
  .hero__inner,
  .about__grid,
  .brands__grid,
  .product, .product--reverse,
  .features,
  .channels__grid,
  .channels__cards,
  .app-cta__inner,
  .footer__grid { grid-template-columns: 1fr; }

  .hero h1 { font-size: 38px; }
  .hero__visual { order: -1; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .nav__links { display: none; }
  .product__steps--left { border-right: none; border-top: 1px solid #EBF0F6; }
  .app-cta__inner { padding: 36px 26px; }
  .section { padding: 64px 0; }
}
@media (max-width: 560px) {
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .section-title, .products__intro h2, .about h2 { font-size: 28px; }
}