/* ==========================================================
   LKNSOUSA — style.css
   Metodologia: BEM | Mobile First
   Paleta extraída da logo:
     Azul royal:      #3B3BF5
     Azul escuro:     #1E1EDC
     Preto/carvão:    #0B0F1A
     Grafite:         #12172A
     Cinza texto:     #C7CBD6
   ========================================================== */

/* ---------- Tokens ---------- */
:root {
  --c-bg:        #0B0F1A;
  --c-bg-2:      #0F1424;
  --c-surface:   #12172A;
  --c-surface-2: #171D33;
  --c-border:    rgba(255,255,255,0.08);
  --c-primary:   #3B3BF5;
  --c-primary-2: #6C6CFF;
  --c-accent:    #22D3EE;
  --c-text:      #EDEEF5;
  --c-muted:     #B4B8C7;
  --c-dim:       #7A7F92;

  --grad-primary: linear-gradient(135deg, #3B3BF5 0%, #6C6CFF 55%, #22D3EE 100%);
  --grad-soft:    radial-gradient(60% 60% at 50% 0%, rgba(59,59,245,0.25), transparent 70%);

  --shadow-sm: 0 4px 12px rgba(0,0,0,0.25);
  --shadow-md: 0 12px 40px rgba(11,15,26,0.6);
  --shadow-glow: 0 0 40px rgba(59,59,245,0.35);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;

  --f-display: 'Space Grotesk', system-ui, sans-serif;
  --f-body:    'Inter', system-ui, sans-serif;

  --container: 1200px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--f-body);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { list-style: none; }
h1,h2,h3,h4 { font-family: var(--f-display); line-height: 1.15; letter-spacing: -0.02em; }
::selection { background: var(--c-primary); color: #fff; }

/* ---------- Utilities ---------- */
.section { padding: 80px 0; position: relative; }
.section__container,
.hero__container,
.header__container,
.footer__container,
.cta__container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}
.section__header { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section__eyebrow {
  display: inline-block;
  font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--c-primary-2);
  padding: 6px 14px; border-radius: 999px;
  background: rgba(59,59,245,0.12);
  border: 1px solid rgba(59,59,245,0.3);
  margin-bottom: 18px;
}
.section__title { font-size: clamp(1.75rem, 3.5vw, 2.5rem); margin-bottom: 14px; }
.section__desc  { color: var(--c-muted); font-size: 1.05rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 12px;
  font-weight: 600; font-family: var(--f-display);
  font-size: 0.98rem;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
  position: relative; overflow: hidden;
  white-space: nowrap;
}
.btn--primary { background: var(--grad-primary); color: #fff; box-shadow: var(--shadow-glow); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 0 60px rgba(59,59,245,0.55); }
.btn--ghost {
  color: var(--c-text);
  border: 1px solid var(--c-border);
  background: rgba(255,255,255,0.02);
}
.btn--ghost:hover { border-color: var(--c-primary-2); background: rgba(59,59,245,0.08); transform: translateY(-2px); }
.btn--block { width: 100%; }
.btn--lg { padding: 18px 32px; font-size: 1.05rem; }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: rgba(11,15,26,0.6);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s var(--ease), padding .3s var(--ease);
}
.header--scrolled { background: rgba(11,15,26,0.9); border-color: var(--c-border); }
.header__container {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 0;
}
.header__logo { display: flex; align-items: center; gap: 10px; }
.header__logo-img { width: 40px; height: 40px; object-fit: contain; filter: drop-shadow(0 4px 12px rgba(59,59,245,0.4)); }
.header__logo-text { font-family: var(--f-display); font-weight: 500; letter-spacing: 0.14em; font-size: 1rem; }
.header__logo-text strong { font-weight: 700; color: var(--c-primary-2); }

.nav__list { display: flex; align-items: center; gap: 28px; }
.nav__link {
  font-size: 0.95rem; color: var(--c-muted); font-weight: 500;
  position: relative; transition: color .25s var(--ease);
}
.nav__link::after {
  content:""; position:absolute; left: 0; bottom: -6px; width:0; height:2px;
  background: var(--grad-primary); transition: width .3s var(--ease);
}
.nav__link:hover { color: var(--c-text); }
.nav__link:hover::after { width: 100%; }
.nav__link--cta {
  padding: 10px 18px; border-radius: 999px;
  background: var(--grad-primary); color: #fff;
}
.nav__link--cta::after { display: none; }
.nav__link--cta:hover { transform: translateY(-1px); }

.menu-toggle { display: none; width: 40px; height: 40px; flex-direction: column; justify-content: center; gap: 5px; }
.menu-toggle span { display:block; height: 2px; background: var(--c-text); border-radius: 2px; transition: transform .3s var(--ease), opacity .3s var(--ease); }
.menu-toggle--open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle--open span:nth-child(2) { opacity: 0; }
.menu-toggle--open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 140px 0 100px;
  overflow: hidden;
  background:
    radial-gradient(80% 60% at 20% 10%, rgba(59,59,245,0.20), transparent 60%),
    radial-gradient(60% 60% at 90% 20%, rgba(34,211,238,0.12), transparent 60%),
    var(--c-bg);
}
.hero__particles { position:absolute; inset:0; width:100%; height:100%; z-index: 0; opacity: .5; }
.hero__container {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr; gap: 60px; align-items: center;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85rem; font-weight: 500; color: var(--c-muted);
  padding: 8px 14px; border-radius: 999px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--c-border);
  margin-bottom: 24px;
}
.hero__badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-accent); box-shadow: 0 0 12px var(--c-accent); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:.4; transform:scale(1.4); } }

.hero__title {
  font-size: clamp(2.2rem, 6vw, 4rem);
  margin-bottom: 22px;
}
.hero__title-accent {
  background: var(--grad-primary);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  display: inline-block;
}
.hero__subtitle { font-size: 1.1rem; color: var(--c-muted); max-width: 560px; margin-bottom: 32px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.hero__checks {
  display: grid; grid-template-columns: 1fr; gap: 10px;
  color: var(--c-muted); font-size: 0.95rem;
}
.hero__checks li::first-letter { color: var(--c-primary-2); font-weight: 700; }

/* Hero visual — mock card */
.hero__visual { position: relative; height: 380px; display: none; }
.hero__card {
  position: absolute; inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--c-surface), var(--c-bg-2));
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-md);
  padding: 20px;
  overflow: hidden;
}
.hero__card--float { animation: float 6s ease-in-out infinite; }
@keyframes float { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-16px);} }
.hero__card-header { display:flex; gap: 6px; margin-bottom: 20px; }
.hero__card-header span { width: 12px; height: 12px; border-radius: 50%; background: #2a2f4a; }
.hero__card-header span:first-child { background: #ff5f57; }
.hero__card-header span:nth-child(2) { background: #febc2e; }
.hero__card-header span:last-child { background: #28c840; }
.hero__card-body { display: flex; flex-direction: column; gap: 12px; }
.hero__code-line { height: 12px; border-radius: 6px; background: linear-gradient(90deg, rgba(59,59,245,0.35), rgba(59,59,245,0.05)); }
.hero__code-line--1 { width: 70%; }
.hero__code-line--2 { width: 90%; }
.hero__code-line--3 { width: 60%; background: linear-gradient(90deg, rgba(34,211,238,0.35), rgba(34,211,238,0.05)); }
.hero__code-line--4 { width: 80%; }
.hero__code-line--5 { width: 45%; }
.hero__blob { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .6; z-index: -1; }
.hero__blob--a { width: 260px; height: 260px; background: #3B3BF5; top: -60px; right: -40px; }
.hero__blob--b { width: 220px; height: 220px; background: #22D3EE; bottom: -60px; left: -40px; opacity:.4; }

/* ---------- Sobre ---------- */
.sobre__grid {
  display: grid; grid-template-columns: repeat(2,1fr); gap: 20px;
}
.sobre__card {
  padding: 32px 20px; text-align: center;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.sobre__card:hover { transform: translateY(-6px); border-color: rgba(59,59,245,0.4); }
.sobre__stat {
  font-family: var(--f-display); font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  background: var(--grad-primary);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 6px;
}
.sobre__label { color: var(--c-muted); font-size: 0.95rem; }

/* ---------- Serviços ---------- */
.servicos__grid {
  display: grid; grid-template-columns: 1fr; gap: 22px;
}
.service {
  position: relative;
  padding: 32px 26px;
  background: linear-gradient(180deg, var(--c-surface), var(--c-bg-2));
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  display: flex; flex-direction: column; gap: 14px;
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.service::before {
  content:""; position:absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad-primary);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .35s var(--ease);
  pointer-events: none;
}
.service:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.service:hover::before { opacity: 1; }
.service--featured { border-color: rgba(59,59,245,0.35); }
.service--featured::before { opacity: .6; }
.service__tag {
  position: absolute; top: 18px; right: 18px;
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.16em;
  padding: 4px 10px; border-radius: 999px;
  background: var(--grad-primary); color: #fff; font-weight: 600;
}
.service__icon {
  width: 52px; height: 52px; border-radius: 12px;
  display: grid; place-items: center;
  font-size: 1.4rem; color: #fff;
  background: var(--grad-primary);
  box-shadow: var(--shadow-glow);
}
.service__title { font-size: 1.35rem; }
.service__desc { color: var(--c-muted); font-size: 0.98rem; }
.service__list { display: flex; flex-direction: column; gap: 6px; font-size: 0.92rem; color: var(--c-muted); }
.service__list li::before { content: "✓ "; color: var(--c-primary-2); font-weight: 700; }
.service__price {
  margin-top: auto;
  display: flex; flex-direction: column;
  padding-top: 8px;
  border-top: 1px dashed var(--c-border);
}
.service__price-label { font-size: 0.8rem; color: var(--c-dim); text-transform: uppercase; letter-spacing: 0.12em; }
.service__price-value { font-family: var(--f-display); font-size: 1.6rem; font-weight: 700; color: var(--c-text); }

/* ---------- Diferenciais ---------- */
.diferenciais__grid {
  display: grid; grid-template-columns: repeat(2,1fr); gap: 16px;
}
.feature {
  padding: 24px 20px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  transition: transform .3s var(--ease), background .3s var(--ease);
}
.feature:hover { transform: translateY(-4px); background: var(--c-surface-2); }
.feature__icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: grid; place-items: center;
  background: rgba(59,59,245,0.12);
  color: var(--c-primary-2);
  font-weight: 700; font-family: var(--f-display);
  margin-bottom: 14px;
}
.feature__title { font-size: 1.05rem; margin-bottom: 4px; }
.feature__desc { color: var(--c-muted); font-size: 0.9rem; }

/* ---------- Processo (timeline) ---------- */
.timeline {
  position: relative;
  display: flex; flex-direction: column; gap: 24px;
  padding-left: 22px;
}
.timeline::before {
  content:""; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, var(--c-primary), transparent);
  border-radius: 2px;
}
.timeline__item {
  position: relative;
  padding: 20px 22px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  transition: transform .3s var(--ease);
}
.timeline__item:hover { transform: translateX(6px); }
.timeline__num {
  position: absolute; left: -30px; top: 20px;
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--grad-primary); color: #fff; font-weight: 700;
  font-family: var(--f-display);
  box-shadow: var(--shadow-glow);
}
.timeline__title { font-size: 1.1rem; margin-bottom: 4px; }
.timeline__desc { color: var(--c-muted); font-size: 0.95rem; }

/* ---------- Benefícios ---------- */
.beneficios__grid {
  display: grid; grid-template-columns: 1fr; gap: 16px;
}
.benefit {
  padding: 24px;
  background: linear-gradient(180deg, var(--c-surface), transparent);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.benefit:hover { transform: translateY(-4px); border-color: rgba(59,59,245,0.4); }
.benefit__title { font-size: 1.1rem; margin-bottom: 6px; color: var(--c-primary-2); }
.benefit p { color: var(--c-muted); font-size: 0.95rem; }

/* ---------- Pagamento ---------- */
.pagamento__grid {
  display: grid; grid-template-columns: repeat(2,1fr); gap: 16px;
}
.pay {
  padding: 26px 20px; text-align: center;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  transition: transform .3s var(--ease), background .3s var(--ease);
}
.pay:hover { transform: translateY(-5px); background: var(--c-surface-2); }
.pay__icon {
  width: 60px; height: 60px; border-radius: 14px; margin: 0 auto 14px;
  display: grid; place-items: center;
  background: var(--grad-primary);
  color: #fff; font-weight: 700; font-family: var(--f-display);
  box-shadow: var(--shadow-glow);
  font-size: 1rem;
}
.pay__title { font-size: 1.05rem; margin-bottom: 6px; }
.pay p { color: var(--c-muted); font-size: 0.9rem; }

/* ---------- CTA ---------- */
.cta {
  position: relative;
  padding: 100px 0;
  background:
    radial-gradient(60% 100% at 50% 0%, rgba(59,59,245,0.25), transparent 60%),
    var(--c-bg);
  overflow: hidden;
}
.cta__container {
  text-align: center;
  padding: 60px 30px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--c-surface-2), var(--c-surface));
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.cta__container::before {
  content:""; position:absolute; inset:-2px; border-radius: inherit;
  background: var(--grad-primary); z-index: -1;
  filter: blur(30px); opacity: .35;
}
.cta__title { font-size: clamp(1.6rem, 4vw, 2.4rem); margin-bottom: 16px; }
.cta__desc { color: var(--c-muted); max-width: 640px; margin: 0 auto 32px; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ---------- Footer ---------- */
.footer {
  background: var(--c-bg-2);
  border-top: 1px solid var(--c-border);
  padding: 60px 0 20px;
}
.footer__container {
  display: grid; grid-template-columns: 1fr; gap: 32px;
  padding-bottom: 40px;
}
.footer__brand { display: flex; flex-direction: column; gap: 12px; }
.footer__logo { width: 56px; height: 56px; object-fit: contain; }
.footer__desc { color: var(--c-muted); font-size: 0.95rem; letter-spacing: 0.08em; }
.footer__title { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--c-primary-2); margin-bottom: 14px; }
.footer__list { display: flex; flex-direction: column; gap: 8px; }
.footer__list a { color: var(--c-muted); transition: color .25s var(--ease); font-size: 0.95rem; }
.footer__list a:hover { color: var(--c-text); }
.footer__bottom {
  border-top: 1px solid var(--c-border);
  padding-top: 20px;
  text-align: center;
  color: var(--c-dim); font-size: 0.85rem;
}

/* ---------- Back to top ---------- */
.to-top {
  position: fixed; right: 20px; bottom: 20px;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--grad-primary); color: #fff;
  box-shadow: var(--shadow-glow);
  opacity: 0; pointer-events: none;
  transition: opacity .3s var(--ease), transform .3s var(--ease);
  z-index: 40;
  font-size: 1.2rem;
}
.to-top--visible { opacity: 1; pointer-events: auto; }
.to-top:hover { transform: translateY(-4px); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal--visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (min-width: 640px) {
  .hero__checks { grid-template-columns: 1fr 1fr; }
  .servicos__grid { grid-template-columns: repeat(2,1fr); }
  .diferenciais__grid { grid-template-columns: repeat(3,1fr); }
  .beneficios__grid { grid-template-columns: repeat(2,1fr); }
  .pagamento__grid { grid-template-columns: repeat(4,1fr); }
  .sobre__grid { grid-template-columns: repeat(4,1fr); }
  .footer__container { grid-template-columns: 2fr 1fr 1fr 1fr; }
}
@media (min-width: 960px) {
  .section { padding: 110px 0; }
  .hero { padding: 170px 0 120px; }
  .hero__container { grid-template-columns: 1.15fr .95fr; gap: 40px; }
  .hero__visual { display: block; }
  .diferenciais__grid { grid-template-columns: repeat(4,1fr); }
  .beneficios__grid { grid-template-columns: repeat(3,1fr); }
  .servicos__grid { grid-template-columns: repeat(4,1fr); }
}
@media (max-width: 860px) {
  .nav {
    position: fixed; inset: 64px 0 auto 0;
    background: rgba(11,15,26,0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--c-border);
    transform: translateY(-120%);
    transition: transform .35s var(--ease);
  }
  .nav--open { transform: translateY(0); }
  .nav__list { flex-direction: column; align-items: stretch; padding: 20px; gap: 6px; }
  .nav__link { display: block; padding: 12px 8px; font-size: 1rem; border-bottom: 1px solid var(--c-border); }
  .nav__link--cta { text-align: center; border-bottom: 0; margin-top: 8px; }
  .menu-toggle { display: flex; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}