/* ============================================================
   Digital Solid — Landing Page
   Premium B2B SaaS / Marketplace consultancy
   ============================================================ */

:root {
  --bg-deep:  #031B33;
  --bg-mid:   #072D4A;
  --bg-soft:  #0A3A5A;
  --neon:     #00AFFF;
  --neon-lt:  #1CC8FF;
  --white:    #FFFFFF;
  --gray:     #D8E3EA;
  --gray-dim: #9FB3C2;

  --line:     rgba(0, 175, 255, 0.16);
  --line-soft: rgba(216, 227, 234, 0.08);
  --card-bg:  rgba(10, 58, 90, 0.38);
  --card-bg-2: rgba(7, 45, 74, 0.55);

  --glow:     0 0 40px rgba(0, 175, 255, 0.35);
  --glow-sm:  0 0 18px rgba(0, 175, 255, 0.28);

  --maxw: 1240px;
  --pad: 40px;

  --font-head: "Montserrat", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 96px; }

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

/* Ambient background that spans the whole page */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1200px 700px at 78% 8%, rgba(0,175,255,0.14), transparent 60%),
    radial-gradient(900px 600px at 12% 50%, rgba(28,200,255,0.07), transparent 60%),
    linear-gradient(160deg, var(--bg-deep) 0%, var(--bg-mid) 55%, var(--bg-soft) 100%);
}
.page-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(1100px 900px at 70% 30%, #000 0%, transparent 75%);
          mask-image: radial-gradient(1100px 900px at 70% 30%, #000 0%, transparent 75%);
  opacity: 0.5;
}

h1, h2, h3, h4 { font-family: var(--font-head); color: var(--white); line-height: 1.12; }

a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--pad); }

.neon-text {
  color: var(--neon-lt);
  text-shadow: 0 0 18px rgba(0,175,255,0.45);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.2px;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .25s cubic-bezier(.2,.7,.3,1), box-shadow .25s, background .25s, border-color .25s;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(180deg, var(--neon-lt), var(--neon));
  color: #021522;
  box-shadow: 0 6px 24px rgba(0,175,255,0.4), inset 0 1px 0 rgba(255,255,255,0.5);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 34px rgba(0,175,255,0.6), inset 0 1px 0 rgba(255,255,255,0.6); }
.btn-ghost {
  background: rgba(0,175,255,0.06);
  border-color: rgba(0,175,255,0.4);
  color: var(--white);
}
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--neon-lt); box-shadow: var(--glow-sm); background: rgba(0,175,255,0.12); }
.btn-wa {
  background: rgba(216,227,234,0.04);
  border-color: rgba(216,227,234,0.22);
  color: var(--white);
}
.btn-wa:hover { transform: translateY(-2px); border-color: #25D366; box-shadow: 0 0 18px rgba(37,211,102,0.35); }
.btn-lg { font-size: 17px; padding: 18px 38px; }

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  transition: background .3s, backdrop-filter .3s, border-color .3s, padding .3s;
  border-bottom: 1px solid transparent;
}
.header.scrolled {
  background: rgba(3, 27, 51, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 86px;
  transition: height .3s;
}
.header.scrolled .nav { height: 70px; }
.brand img { height: 38px; width: auto; display: block; filter: drop-shadow(0 0 10px rgba(0,175,255,0.25)); }
.menu { display: flex; align-items: center; gap: 34px; }
.menu a {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 15px;
  color: var(--gray);
  position: relative;
  padding: 6px 0;
  transition: color .2s;
}
.menu a::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  height: 2px; width: 0;
  background: linear-gradient(90deg, var(--neon), var(--neon-lt));
  box-shadow: var(--glow-sm);
  transition: width .28s ease;
}
.menu a:hover { color: var(--white); }
.menu a:hover::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: 18px; }
.menu-toggle { display: none; }

/* ---------- Section scaffolding ---------- */
section { position: relative; }
.section-pad { padding-block: 120px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-head);
  font-weight: 600; font-size: 13px;
  letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--neon-lt);
  margin-bottom: 20px;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--neon); box-shadow: var(--glow-sm); }
.section-title { font-size: clamp(30px, 3.4vw, 46px); font-weight: 700; letter-spacing: -0.5px; }
.section-lead { font-size: 18px; color: var(--gray-dim); max-width: 620px; margin-top: 18px; }

/* ---------- Hero ---------- */
.hero { padding-top: 170px; padding-bottom: 90px; min-height: 100vh; display: flex; align-items: center; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 50px;
  align-items: center;
  width: 100%;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(0,175,255,0.05);
  font-size: 13px; font-family: var(--font-head); font-weight: 500;
  color: var(--gray);
  margin-bottom: 28px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--neon-lt); box-shadow: 0 0 10px var(--neon); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{ opacity:1; transform: scale(1);} 50%{ opacity:.45; transform: scale(.7);} }
.hero h1 {
  font-size: clamp(38px, 4.6vw, 66px);
  font-weight: 800;
  letter-spacing: -1.2px;
  margin-bottom: 24px;
}
.hero h1 .hl { background: linear-gradient(120deg, var(--neon-lt), var(--neon)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.sub { font-size: 19px; color: var(--gray); max-width: 540px; margin-bottom: 38px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.hero-stats { display: flex; gap: 38px; margin-top: 54px; flex-wrap: wrap; }
.stat .num { font-family: var(--font-head); font-weight: 800; font-size: 32px; color: var(--white); }
.stat .num .neon-text { font-size: inherit; }
.stat .lbl { font-size: 13.5px; color: var(--gray-dim); margin-top: 2px; }
.stat-divider { width: 1px; align-self: stretch; background: var(--line); }

/* Holographic visual */
.hero-visual { position: relative; aspect-ratio: 1 / 1; display: grid; place-items: center; }
.hero-visual svg.diamond { width: 100%; height: 100%; overflow: visible; }
.hero-visual .cart-core {
  position: absolute;
  width: 30%;
  filter: drop-shadow(0 0 22px rgba(0,175,255,0.55));
  animation: floaty 6s ease-in-out infinite;
}
@keyframes floaty { 0%,100%{ transform: translateY(-6px);} 50%{ transform: translateY(8px);} }
.hero-visual .halo {
  position: absolute; width: 62%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,175,255,0.28), transparent 65%);
  filter: blur(10px);
}

/* diamond network svg */
.d-edge { fill: none; stroke: rgba(0,175,255,0.85); stroke-width: 1.4; filter: drop-shadow(0 0 6px rgba(0,175,255,0.6)); }
.d-facet { stroke: rgba(28,200,255,0.28); stroke-width: 1; }
.n-link { stroke: rgba(0,175,255,0.35); stroke-width: 0.8; }
.n-dot { fill: var(--neon-lt); filter: drop-shadow(0 0 5px var(--neon)); animation: twinkle 3s ease-in-out infinite; }
.v-dot { fill: #fff; filter: drop-shadow(0 0 7px var(--neon-lt)); animation: twinkle 2.6s ease-in-out infinite; }
@keyframes twinkle { 0%,100%{ opacity:.4; } 50%{ opacity:1; } }

/* circuit side lines */
.circuit { position: absolute; top: 0; bottom: 0; width: 280px; z-index: -1; opacity: .55; pointer-events: none; }
.circuit.left { left: 0; }
.circuit.right { right: 0; transform: scaleX(-1); }

/* ---------- Quem Somos ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--card-bg);
  padding: 38px;
  position: relative;
  overflow: hidden;
}
.about-card::before {
  content:""; position:absolute; top:-1px; left:24px; right:24px; height:1px;
  background: linear-gradient(90deg, transparent, var(--neon-lt), transparent);
}
.about-quote { font-family: var(--font-head); font-weight: 700; font-size: 26px; color: var(--white); line-height: 1.3; margin-bottom: 18px; }
.about-mini { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 28px; }
.about-mini .m { text-align: center; padding: 18px 8px; border: 1px solid var(--line-soft); border-radius: 14px; background: rgba(3,27,51,0.35); }
.about-mini .m b { display:block; font-family: var(--font-head); font-weight:800; font-size: 26px; color: var(--neon-lt); }
.about-mini .m span { font-size: 12.5px; color: var(--gray-dim); }
.channels { display:flex; flex-wrap:wrap; gap:10px; margin-top: 28px; }
.channel-chip {
  font-family: var(--font-head); font-weight:500; font-size: 14px;
  padding: 9px 16px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(0,175,255,0.05); color: var(--white);
}

/* ---------- Serviços ---------- */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 56px; }
.s-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--card-bg-2);
  padding: 30px 26px;
  position: relative;
  overflow: hidden;
  transition: transform .3s cubic-bezier(.2,.7,.3,1), border-color .3s, box-shadow .3s, background .3s;
}
.s-card::after {
  content:""; position:absolute; inset:0; border-radius:20px; padding:1px;
  background: linear-gradient(160deg, rgba(0,175,255,0.5), transparent 40%);
  -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 .3s;
}
.s-card:hover { transform: translateY(-8px); border-color: rgba(0,175,255,0.5); box-shadow: 0 18px 50px rgba(0,0,0,0.4), var(--glow-sm); background: rgba(10,58,90,0.6); }
.s-card:hover::after { opacity:1; }
.s-icon {
  width: 58px; height: 58px; border-radius: 15px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, rgba(0,175,255,0.18), rgba(0,175,255,0.04));
  border: 1px solid var(--line);
  margin-bottom: 22px;
  transition: box-shadow .3s, transform .3s;
}
.s-card:hover .s-icon { box-shadow: var(--glow-sm); transform: scale(1.05); }
.s-icon svg { width: 28px; height: 28px; stroke: var(--neon-lt); fill: none; stroke-width: 1.7; }
.s-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 14px; }
.s-card ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.s-card li { font-size: 14.5px; color: var(--gray); display: flex; gap: 10px; align-items: flex-start; }
.s-card li::before { content:""; flex:none; width:6px; height:6px; margin-top:8px; border-radius:50%; background: var(--neon); box-shadow: var(--glow-sm); }
.s-num { position:absolute; top:24px; right:26px; font-family: var(--font-head); font-weight:800; font-size:14px; color: rgba(216,227,234,0.18); }

/* ---------- Como Trabalhamos ---------- */
.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; margin-top: 56px; position: relative; }
.steps::before {
  content:""; position:absolute; top: 38px; left: 8%; right: 8%; height:1px;
  background: linear-gradient(90deg, transparent, var(--neon), var(--neon), transparent);
  opacity:.4;
}
.step { position: relative; padding-top: 0; }
.step-dot {
  width: 76px; height: 76px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-head); font-weight: 800; font-size: 22px; color: var(--white);
  background: radial-gradient(circle at 30% 30%, var(--bg-soft), var(--bg-deep));
  border: 1px solid rgba(0,175,255,0.5);
  box-shadow: 0 0 0 6px rgba(3,27,51,0.9), var(--glow-sm);
  margin-bottom: 22px;
  position: relative; z-index:2;
}
.step h3 { font-size: 19px; margin-bottom: 10px; }
.step p { font-size: 14.5px; color: var(--gray-dim); }
.bling-strip {
  margin-top: 64px;
  display: flex; align-items: center; justify-content: center; gap: 26px; flex-wrap: wrap;
  padding: 26px 36px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    radial-gradient(420px 200px at 12% 50%, rgba(35,168,116,0.16), transparent 70%),
    rgba(0,175,255,0.04);
  text-align: left;
}
.bling-seal {
  width: 104px; height: 104px; flex: none;
  border-radius: 50%;
  filter: drop-shadow(0 6px 22px rgba(35,168,116,0.45));
}
.bling-copy { display: flex; flex-direction: column; gap: 6px; max-width: 520px; }
.bling-copy strong { font-family: var(--font-head); font-weight: 700; font-size: 18px; color: var(--white); }
.bling-copy span { font-size: 14.5px; color: var(--gray-dim); }
@media (max-width: 560px) {
  .bling-strip { justify-content: center; text-align: center; }
  .bling-copy { align-items: center; }
}

/* ---------- Diferenciais ---------- */
.diffs { display: grid; grid-template-columns: repeat(5,1fr); gap: 18px; margin-top: 56px; }
.diff {
  text-align: center;
  padding: 32px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card-bg);
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.diff:hover { transform: translateY(-6px); border-color: rgba(0,175,255,0.5); box-shadow: var(--glow-sm); }
.diff-icon { width: 52px; height:52px; margin: 0 auto 18px; display:grid; place-items:center; border-radius:50%; border:1px solid var(--line); background: rgba(0,175,255,0.06); }
.diff-icon svg { width: 26px; height:26px; stroke: var(--neon-lt); fill:none; stroke-width:1.7; }
.diff h4 { font-size: 16px; font-weight: 600; color: var(--white); }

/* ---------- CTA Final ---------- */
.cta-final { padding-block: 130px; }
.cta-box {
  position: relative;
  border: 1px solid rgba(0,175,255,0.35);
  border-radius: 30px;
  background:
    radial-gradient(700px 360px at 50% 0%, rgba(0,175,255,0.22), transparent 70%),
    linear-gradient(180deg, rgba(10,58,90,0.6), rgba(7,45,74,0.5));
  padding: 80px 40px;
  text-align: center;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.45);
}
.cta-box::before {
  content:""; position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(500px 300px at 50% 40%, #000, transparent 70%);
          mask-image: radial-gradient(500px 300px at 50% 40%, #000, transparent 70%);
}
.cta-box > * { position: relative; z-index: 1; }
.cta-box h2 { font-size: clamp(30px, 3.6vw, 48px); font-weight: 800; letter-spacing:-0.6px; max-width: 800px; margin: 0 auto 20px; }
.cta-box p { font-size: 19px; color: var(--gray); max-width: 620px; margin: 0 auto 40px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding-block: 60px 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer img.flogo { height: 34px; margin-bottom: 18px; filter: drop-shadow(0 0 8px rgba(0,175,255,0.2)); }
.footer p.tag { font-size: 14px; color: var(--gray-dim); max-width: 300px; }
.footer h5 { font-family: var(--font-head); color: var(--white); font-size: 14px; letter-spacing:1px; text-transform: uppercase; margin-bottom: 16px; }
.footer ul { list-style:none; display:flex; flex-direction:column; gap: 11px; }
.footer ul a { font-size: 14.5px; color: var(--gray-dim); transition: color .2s; }
.footer ul a:hover { color: var(--neon-lt); }
.footer-bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line-soft); display:flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; font-size: 13px; color: var(--gray-dim); }

/* ---------- Reveal ----------
   No time-based entrance: this rendering context can freeze
   transitions AND keyframes at their from-value, so any animated
   offset would stick. Content rests in its final, visible position. */
.reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .cards, .steps, .diffs { grid-template-columns: repeat(2, 1fr); }
  .steps::before { display:none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  :root { --pad: 22px; }
  .menu, .nav-cta .btn { display: none; }
  .menu-toggle { display: grid; }
  .hero-grid, .about-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 460px; margin: 0 auto; order: -1; }
  .section-pad { padding-block: 84px; }
  .hero { padding-top: 130px; min-height: auto; }
  .diffs { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .cards, .diffs, .about-mini { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 22px; }
}

/* mobile menu toggle button */
.menu-toggle {
  width: 46px; height: 46px; border-radius: 12px;
  border: 1px solid var(--line); background: rgba(0,175,255,0.06);
  place-items: center; cursor: pointer;
}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
  content:""; display:block; width: 20px; height: 2px; background: var(--white); position: relative;
}
.menu-toggle span::before { position:absolute; top:-6px; }
.menu-toggle span::after { position:absolute; top:6px; }

/* mobile drawer */
.drawer {
  position: fixed; inset: 0; z-index: 60;
  background: rgba(3,27,51,0.96); backdrop-filter: blur(8px);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 28px;
  opacity: 0; pointer-events: none; transition: opacity .3s;
}
.drawer.open { opacity: 1; pointer-events: auto; }
.drawer a { font-family: var(--font-head); font-size: 22px; color: var(--white); }
.drawer .btn { margin-top: 10px; }
.drawer-close { position: absolute; top: 24px; right: 24px; font-size: 34px; color: var(--white); cursor: pointer; line-height: 1; }