/* =========================================================
   waldevs · landing
   Paleta: verdes esmeralda del logo sobre fondo oscuro
   ========================================================= */

:root {
  /* colores */
  --bg:            #070b12;
  --bg-2:          #0b1220;
  --bg-3:          #111827;
  --surface:       rgba(255,255,255,.03);
  --surface-hi:    rgba(255,255,255,.06);
  --border:        rgba(255,255,255,.08);
  --border-hi:     rgba(255,255,255,.14);

  --text:          #f3f6fb;
  --text-mute:     rgba(243,246,251,.72);
  --text-dim:      rgba(243,246,251,.5);

  --green:         #22c55e;
  --green-2:       #10b981;
  --green-3:       #34d399;
  --green-deep:    #059669;
  --green-glow:    rgba(34, 197, 94, .35);

  /* spacing */
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px; --sp-8: 32px; --sp-10: 40px;
  --sp-12: 48px; --sp-16: 64px; --sp-20: 80px; --sp-24: 96px;

  /* radius */
  --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-xl: 20px; --r-2xl: 28px;

  /* type */
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  --shadow-lg: 0 30px 60px -20px rgba(0,0,0,.6), 0 12px 24px -8px rgba(0,0,0,.4);
  --shadow-green: 0 20px 60px -20px rgba(34,197,94,.4);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(1000px 500px at 80% -10%, rgba(34,197,94,.08), transparent 60%),
    radial-gradient(800px 400px at -10% 40%, rgba(16,185,129,.06), transparent 60%);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

/* ==== Reveal on scroll ==== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==== Helpers ==== */
.grad {
  background: linear-gradient(135deg, var(--green-3) 0%, var(--green) 45%, var(--green-deep) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--green-3);
  margin-bottom: var(--sp-3);
}

/* ================== BUTTONS ================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
  white-space: nowrap;
  line-height: 1;
}
.btn--sm { padding: 9px 16px; font-size: 13px; }
.btn--full { width: 100%; }

.btn--primary {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-deep) 100%);
  color: #04140a;
  box-shadow: 0 10px 30px -10px var(--green-glow);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -12px var(--green-glow);
}

.btn--outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-hi);
}
.btn--outline:hover {
  background: var(--surface-hi);
  border-color: var(--green-3);
  color: var(--green-3);
}

.btn--ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}
.btn--ghost:hover {
  background: var(--surface-hi);
  border-color: var(--border-hi);
}

/* ================== NAV ================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: var(--sp-4) 0;
  transition: background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(7, 11, 18, .75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

.nav__brand img { height: 34px; width: auto; }

.nav__links {
  display: flex;
  gap: var(--sp-6);
  margin-left: auto;
}
.nav__links a {
  color: var(--text-mute);
  font-size: 14px;
  font-weight: 500;
  position: relative;
  transition: color .15s ease;
}
.nav__links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--green-3);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
  border-radius: 2px;
}
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after { transform: scaleX(1); }

.nav__cta { }

.nav__burger {
  display: none;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
  gap: 5px;
  flex-direction: column;
}
.nav__burger span {
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ================== HERO ================== */
.hero {
  position: relative;
  padding: var(--sp-20) 0 var(--sp-24);
  overflow: hidden;
}
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}
.hero__glow--1 {
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--green-glow) 0%, transparent 70%);
}
.hero__glow--2 {
  bottom: -150px; left: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(16,185,129,.25) 0%, transparent 70%);
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 40%, transparent 80%);
  z-index: 0;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 8px 16px;
  background: rgba(34,197,94,.08);
  border: 1px solid rgba(34,197,94,.25);
  color: var(--green-3);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .02em;
  margin-bottom: var(--sp-8);
}
.hero__badge-dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(34,197,94,.2);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(34,197,94,.2); }
  50%      { box-shadow: 0 0 0 8px rgba(34,197,94,.05); }
}

.hero__title {
  font-size: clamp(38px, 6.5vw, 72px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -.03em;
  margin-bottom: var(--sp-6);
}

.hero__sub {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--text-mute);
  max-width: 640px;
  margin: 0 auto var(--sp-10);
}

.hero__ctas {
  display: flex;
  gap: var(--sp-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--sp-16);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
  max-width: 780px;
  margin: 0 auto;
  padding: var(--sp-6);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  backdrop-filter: blur(10px);
}
.hero__stats li {
  text-align: center;
  border-right: 1px solid var(--border);
}
.hero__stats li:last-child { border-right: 0; }
.hero__stats strong {
  display: block;
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 800;
  background: linear-gradient(135deg, var(--green-3), var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -.02em;
}
.hero__stats span {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 600;
}

/* ================== SECTION ================== */
.section {
  padding: var(--sp-24) 0;
  position: relative;
}
.section--alt {
  background: linear-gradient(180deg, transparent 0%, rgba(255,255,255,.015) 50%, transparent 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section__head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--sp-16);
}
.section__head h2 {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.15;
  margin-bottom: var(--sp-4);
}
.section__head p {
  font-size: 17px;
  color: var(--text-mute);
}

/* ================== PRODUCTS ================== */
.products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
  align-items: stretch;
}

.product {
  position: relative;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--r-2xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.product:hover {
  transform: translateY(-6px);
  border-color: rgba(34,197,94,.35);
  box-shadow: var(--shadow-lg);
}

.product--featured {
  border-color: rgba(34,197,94,.3);
  background: linear-gradient(180deg, rgba(34,197,94,.06) 0%, var(--bg-3) 40%);
  box-shadow: var(--shadow-green);
}

.product__ribbon {
  position: absolute;
  top: 16px; right: 16px;
  background: linear-gradient(135deg, var(--green), var(--green-deep));
  color: #041008;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  z-index: 3;
}

.product__preview {
  padding: var(--sp-6) var(--sp-6) 0;
  background: linear-gradient(180deg, rgba(255,255,255,.02) 0%, transparent 100%);
}

.mock {
  border-radius: var(--r-md);
  overflow: hidden;
  background: #0e1524;
  border: 1px solid var(--border);
  box-shadow: 0 20px 40px -20px rgba(0,0,0,.5);
  aspect-ratio: 16 / 11;
  display: flex;
  flex-direction: column;
}
.mock__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: #0a1120;
  border-bottom: 1px solid var(--border);
}
.mock__bar > span {
  width: 9px; height: 9px; border-radius: 50%;
  background: rgba(255,255,255,.15);
}
.mock__bar > span:nth-child(1) { background: #ef4444aa; }
.mock__bar > span:nth-child(2) { background: #eab308aa; }
.mock__bar > span:nth-child(3) { background: #22c55eaa; }
.mock__url {
  flex: 1;
  text-align: center;
  font-size: 10px;
  color: var(--text-dim);
  background: rgba(255,255,255,.04);
  padding: 3px 10px;
  border-radius: 6px;
  margin-left: 6px;
}

/* -- captura del sistema dentro del frame -- */
.mock__shot {
  flex: 1;
  overflow: hidden;
  background: #0a1120;
  position: relative;
}
.mock__shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: object-position 5s cubic-bezier(.35,.65,.35,1);
}
.product:hover .mock__shot img {
  object-position: bottom;
}

/* -- product body -- */
.product__body {
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}
.product__tag {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 10px;
  background: rgba(34,197,94,.1);
  color: var(--green-3);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  border-radius: 6px;
  margin-bottom: var(--sp-3);
}
.product__body h3 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: var(--sp-2);
}
.product__body p {
  color: var(--text-mute);
  font-size: 14.5px;
  margin-bottom: var(--sp-4);
}
.product__features {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-bottom: var(--sp-6);
  padding-bottom: var(--sp-4);
  border-bottom: 1px dashed var(--border);
}
.product__features li {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 13.5px;
  color: var(--text-mute);
}
.product__features li::before {
  content: '';
  width: 16px; height: 16px;
  flex-shrink: 0;
  background: rgba(34,197,94,.15);
  border-radius: 50%;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2334d399' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
  background-size: 10px 10px;
  background-position: center;
  background-repeat: no-repeat;
}
.product__body .btn { margin-top: auto; }

/* ================== SERVICES ================== */
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
.service {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}
.service:hover {
  transform: translateY(-4px);
  border-color: rgba(34,197,94,.35);
  background: var(--surface-hi);
}
.service__icon {
  width: 48px; height: 48px;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, rgba(34,197,94,.15), rgba(16,185,129,.05));
  border: 1px solid rgba(34,197,94,.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--green-3);
  margin-bottom: var(--sp-4);
}
.service__icon svg { width: 24px; height: 24px; }
.service h3 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.01em;
  margin-bottom: var(--sp-2);
}
.service p {
  color: var(--text-mute);
  font-size: 14px;
}

/* ================== PROCESS ================== */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
  position: relative;
}
.process::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 8%; right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-hi), transparent);
  z-index: 0;
}
.process__step {
  position: relative;
  padding: var(--sp-6);
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  z-index: 1;
  transition: border-color .25s ease, transform .25s ease;
}
.process__step:hover {
  border-color: rgba(34,197,94,.35);
  transform: translateY(-4px);
}
.process__num {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -.03em;
  background: linear-gradient(135deg, var(--green-3), var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--sp-3);
  line-height: 1;
}
.process__step h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: var(--sp-2);
}
.process__step p {
  font-size: 13.5px;
  color: var(--text-mute);
}

/* ================== CTA ================== */
.cta { padding: var(--sp-16) 0 var(--sp-24); }
.cta__card {
  position: relative;
  background: linear-gradient(135deg, #0d1b2f 0%, #0b1a24 100%);
  border: 1px solid rgba(34,197,94,.25);
  border-radius: var(--r-2xl);
  padding: var(--sp-20) var(--sp-8);
  text-align: center;
  overflow: hidden;
}
.cta__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(34,197,94,.18), transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(16,185,129,.15), transparent 50%);
  pointer-events: none;
}
.cta__inner { position: relative; }
.cta__card h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: var(--sp-4);
}
.cta__card p {
  font-size: 17px;
  color: var(--text-mute);
  margin-bottom: var(--sp-8);
  max-width: 500px;
  margin-left: auto; margin-right: auto;
}
.cta__actions {
  display: flex;
  gap: var(--sp-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ================== FOOTER ================== */
.footer {
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,.4) 100%);
  border-top: 1px solid var(--border);
  padding-top: var(--sp-16);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: var(--sp-16);
  padding-bottom: var(--sp-12);
}
.footer__brand img { height: 32px; margin-bottom: var(--sp-4); }
.footer__brand p {
  color: var(--text-mute);
  font-size: 14px;
  max-width: 280px;
}
.footer__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-8);
}
.footer__cols h5 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: var(--sp-4);
}
.footer__cols a {
  display: block;
  color: var(--text-mute);
  font-size: 14px;
  padding: 4px 0;
  transition: color .15s ease, padding .15s ease;
}
.footer__cols a:hover {
  color: var(--green-3);
  padding-left: 4px;
}

.footer__bottom {
  border-top: 1px solid var(--border);
  padding: var(--sp-5) 0;
  font-size: 13px;
  color: var(--text-dim);
}
.footer__bottom .container {
  display: flex;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

/* ================== RESPONSIVE ================== */
@media (max-width: 960px) {
  .products, .services { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); }
  .process::before { display: none; }
  .footer__inner { grid-template-columns: 1fr; gap: var(--sp-10); }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .hero__stats li:nth-child(2) { border-right: 0; }
}

@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__burger { display: flex; }

  .nav__links.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: rgba(7, 11, 18, .95);
    backdrop-filter: blur(14px);
    padding: var(--sp-6);
    gap: var(--sp-4);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .section { padding: var(--sp-16) 0; }
  .hero { padding: var(--sp-12) 0 var(--sp-16); }
  .products, .services { grid-template-columns: 1fr; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); padding: var(--sp-4); }
  .cta__card { padding: var(--sp-12) var(--sp-5); }
  .footer__cols { grid-template-columns: repeat(2, 1fr); }
}