/* ─────────────────────────────────────────────────────────────
   VOLUM — Site institucional govolum.com
   Dark futurist · neon green accent
   ───────────────────────────────────────────────────────────── */

:root {
  --bg: #07080a;
  --bg-2: #0c0e12;
  --surface: #11141a;
  --surface-2: #161a22;
  --line: rgba(255,255,255,0.08);
  --line-2: rgba(255,255,255,0.14);
  --fg: #f5f7fa;
  --fg-2: rgba(245,247,250,0.72);
  --fg-3: rgba(245,247,250,0.48);
  --fg-4: rgba(245,247,250,0.28);

  --accent: #02FF94;
  --accent-ink: #001a0d;
  --accent-glow: rgba(2,255,148,0.35);

  --display: "Space Grotesk", system-ui, sans-serif;
  --sans: "Geist", "Manrope", system-ui, sans-serif;
  --mono: "Geist Mono", "JetBrains Mono", ui-monospace, monospace;

  --maxw: 1280px;
  --pad: 24px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
::selection { background: var(--accent); color: var(--accent-ink); }

/* ───── Atmosphere ───── */
.atmosphere {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
}
.atmosphere::before {
  content: ""; position: absolute; inset: -2px;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  opacity: .55;
}
.atmosphere::after {
  content: ""; position: absolute; top: -30%; left: 50%; transform: translateX(-50%);
  width: 1100px; height: 1100px;
  background: radial-gradient(circle at center, var(--accent-glow), transparent 60%);
  filter: blur(40px); opacity: .35;
}

/* ───── Layout ───── */
.container {
  width: 100%; max-width: var(--maxw); margin: 0 auto;
  padding: 0 var(--pad);
}

.section { position: relative; z-index: 1; padding: 72px 0; }
.section-tight { position: relative; z-index: 1; padding: 40px 0; }

/* ───── Eyebrow ───── */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--fg-2);
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 12px var(--accent-glow);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .6; transform: scale(.85); }
}

/* ───── Typography ───── */
.h1, .h2, .h3 {
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 0.96;
  margin: 0;
  text-wrap: balance;
}
.h1 { font-size: clamp(32px, 4vw, 56px); line-height: 1.05; }
.h2 { font-size: clamp(30px, 3.6vw, 52px); line-height: 1.05; }
.h3 { font-size: clamp(20px, 1.8vw, 26px); letter-spacing: -0.02em; line-height: 1.15; }

.hero-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 24px; margin-bottom: 4px;
}
.hero-tag {
  padding: 7px 14px; border-radius: 99px;
  border: 1px solid rgba(2,255,148,0.2);
  background: rgba(2,255,148,0.06);
  color: var(--fg-2);
  font-size: 13px; font-family: var(--sans); font-weight: 500;
  letter-spacing: 0.01em;
  transition: border-color .2s, color .2s, background .2s;
}
.hero-tag:hover {
  border-color: rgba(2,255,148,0.5);
  color: var(--accent);
  background: rgba(2,255,148,0.1);
}

.lead {
  font-size: 18px; color: var(--fg-2); line-height: 1.6;
  max-width: 58ch; text-wrap: pretty;
}
.kicker {
  font-family: var(--mono); font-size: 12px;
  letter-spacing: .14em; text-transform: uppercase; color: var(--fg-3);
}

/* Accent text */
.accent { color: var(--accent); }

/* ───── Nav ───── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav-logo { display: flex; align-items: center; }
.nav-logo-img { height: 26px; width: auto; }
.nav-links { display: flex; gap: 28px; }
.nav-link {
  font-size: 14px; color: var(--fg-2);
  transition: color .2s;
}
.nav-link:hover { color: var(--fg); }
.nav-link.active { color: var(--fg); }

/* ───── Buttons ───── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 18px; border-radius: 10px;
  font-family: var(--sans); font-size: 14px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s, color .2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent); color: var(--accent-ink);
  box-shadow: 0 0 0 1px var(--accent), 0 8px 28px -8px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px var(--accent), 0 14px 36px -10px var(--accent-glow);
}
.btn-ghost {
  background: transparent; color: var(--fg);
  border-color: var(--line-2);
}
.btn-ghost:hover { background: var(--surface); }
.btn-arrow { transition: transform .2s; }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ───── Hero ───── */
.hero {
  position: relative; z-index: 1;
  padding: 160px 0 96px;
}
.hero-inner {
  display: flex; flex-direction: column; gap: 32px;
  max-width: 780px;
}

/* Hero split: texto + VSL */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-left {
  display: flex; flex-direction: column; gap: 28px;
}
.hero-vsl-wrap {
  position: relative; border-radius: 20px; overflow: hidden;
  border: 1px solid rgba(2,255,148,0.15);
  box-shadow: 0 0 0 1px rgba(2,255,148,0.06), 0 24px 64px -24px rgba(0,0,0,.8);
  background: #000;
}
.hero-vsl-wrap video {
  display: block; width: 100%; max-height: 480px;
  object-fit: contain;
}
.vsl-unmute-btn {
  position: absolute; bottom: 12px; right: 12px;
  display: flex; align-items: center; gap: 6px;
  padding: 7px 13px; border-radius: 99px;
  background: rgba(0,0,0,.65); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.15);
  color: #fff; font-family: var(--sans); font-size: 12px; font-weight: 500;
  cursor: pointer; transition: opacity .2s;
}
.vsl-unmute-btn.hidden { display: none; }

@media (max-width: 860px) {
  .hero-split { grid-template-columns: 1fr; gap: 32px; }
}

.hero-cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* ───── Stats row ───── */
.stats-row {
  display: flex; gap: 48px; flex-wrap: wrap;
  padding: 32px 0 0;
  border-top: 1px solid var(--line);
}
.stat-item { display: flex; flex-direction: column; gap: 4px; }
.stat-item .n {
  font-family: var(--display); font-weight: 600;
  font-size: 36px; letter-spacing: -0.03em; line-height: 1;
  color: var(--fg);
}
.stat-item .l {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: .12em; text-transform: uppercase; color: var(--fg-3);
}

/* ───── Section header ───── */
.sect-head {
  display: flex; flex-direction: column; gap: 16px;
  margin-bottom: 48px; max-width: 720px;
}
.sect-head.center {
  margin-left: auto; margin-right: auto;
  text-align: center; align-items: center;
}

/* ───── Services grid (homepage 2×2) ───── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.service-card {
  position: relative;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  border-radius: 18px;
  padding: 28px;
  overflow: hidden;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
  display: flex; flex-direction: column; gap: 12px;
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-2);
  box-shadow: 0 20px 60px -20px rgba(0,0,0,.5);
}
.service-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 0%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 60%);
  pointer-events: none;
}
.service-card-icon {
  font-size: 28px; line-height: 1;
}
.service-card-label {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: .16em; text-transform: uppercase; color: var(--accent);
}
.service-card h3 {
  font-family: var(--display); font-weight: 600;
  font-size: 22px; letter-spacing: -0.02em; line-height: 1.15;
  margin: 0;
}
.service-card p {
  color: var(--fg-2); font-size: 14px; line-height: 1.55;
  margin: 0 0 auto;
}
.service-card-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent);
  margin-top: 8px;
  transition: gap .2s;
}
.service-card:hover .service-card-link { gap: 10px; }

/* ───── Features grid (service pages) ───── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-item {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 14px;
  padding: 24px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color .25s, background .25s;
}
.feature-item:hover {
  border-color: var(--line-2);
  background: var(--surface-2);
}
.feature-item .fi-label {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: .16em; text-transform: uppercase; color: var(--accent);
}
.feature-item h4 {
  font-family: var(--display); font-weight: 600;
  font-size: 17px; letter-spacing: -0.015em;
  margin: 0; line-height: 1.2;
}
.feature-item p {
  color: var(--fg-2); font-size: 14px; line-height: 1.5;
  margin: 0;
}

/* ───── Approach cards (3 cols, service pages) ───── */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 0;
}
.approach-card {
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  border-radius: 18px;
  padding: 28px;
  display: flex; flex-direction: column; gap: 12px;
  transition: transform .25s, border-color .25s;
}
.approach-card:hover { transform: translateY(-3px); border-color: var(--line-2); }
.approach-card .ac-tag {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: .16em; text-transform: uppercase; color: var(--accent);
}
.approach-card h4 {
  font-family: var(--display); font-weight: 600;
  font-size: 20px; letter-spacing: -0.02em; margin: 0;
}
.approach-card p {
  color: var(--fg-2); font-size: 14px; line-height: 1.55; margin: 0;
}

/* ───── About split ───── */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

/* ───── CTA section ───── */
.cta {
  position: relative; border: 1px solid var(--line); border-radius: 22px; overflow: hidden;
  padding: 64px 48px;
  background: linear-gradient(140deg, var(--surface), var(--bg-2));
  text-align: center;
}
.cta::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 110%, var(--accent-glow), transparent 55%);
  opacity: .9;
}
.cta::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(to right, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, transparent, #000 60%);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 60%);
  opacity: .5;
}
.cta > * { position: relative; z-index: 1; }

/* ───── Footer ───── */
.footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--line);
  padding: 40px 0 56px;
  font-family: var(--mono); font-size: 12px;
  color: var(--fg-3); letter-spacing: .04em;
}
.footer-row {
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px; flex-wrap: wrap;
}

/* ───── Utility spacing ───── */
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }

/* ───── Responsive ───── */
@media (max-width: 900px) {
  .about-split { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav .btn { padding: 8px 12px; font-size: 12px; border-radius: 8px; gap: 6px; }
  .nav-logo-img { height: 22px; }
  .services-grid { grid-template-columns: 1fr; }
  .approach-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .hero { padding: 100px 0 56px; }
  .hero-inner { gap: 20px; }
  .h1 { font-size: clamp(26px, 7vw, 32px); line-height: 1.1; }
  .h2 { font-size: clamp(24px, 6vw, 30px); }
  .lead { font-size: 15px; }
  .section { padding: 48px 0; }
  .stats-row { gap: 28px; }
  .stat-item .n { font-size: 28px; }
  .cta { padding: 40px 24px; border-radius: 16px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .sect-head { margin-bottom: 28px; }
}

@media (max-width: 420px) {
  .features-grid { grid-template-columns: 1fr; }
}