/* ==========================================================================
   DavSoft — Landing Page
   Design system + layout + motion
   ========================================================================== */

:root{
  --accent: #F0491E;
  --accent-light: #FF7A45;
  --accent-dark: #C23214;
  --accent-deep: #9A2710;
  --accent-rgb: 240, 73, 30;
  /* AA-safe (4.5:1+) shade for small/normal text on light backgrounds; the
     vibrant --accent only meets the 3:1 large-text/graphics threshold. */
  --accent-text: var(--accent-dark);

  --bg: #FAF9F6;
  --bg-tint: #F2EFE9;
  --surface: #FFFFFF;

  --ink: #15161A;
  --ink-soft: #55585F;
  --ink-faint: #85888F;
  --border: rgba(21,22,26,0.09);

  --dark-bg: #0A0C10;
  --dark-bg-2: #12151C;
  --dark-surface: #171A22;
  --dark-ink: #F6F5F2;
  --dark-ink-soft: #A4A8B1;
  --dark-border: rgba(255,255,255,0.09);

  --font-display: 'Sora', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  --container: 1240px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --ease: cubic-bezier(.22,.68,0,1);
  --shadow-soft: 0 20px 50px -25px rgba(10,12,16,0.35);
  --shadow-lift: 0 30px 70px -30px rgba(10,12,16,0.45);

  --header-h: 118px;
}

/* ---------- Reset ---------- */
*, *::before, *::after{ box-sizing: border-box; }
html{
  scroll-behavior: smooth;
  overflow-x: hidden;
  overscroll-behavior-x: none;
}
body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overscroll-behavior-x: none;
  width: 100%;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin: 0; padding: 0; }
button{ font: inherit; cursor: pointer; }
h1, h2, h3{ font-family: var(--font-display); line-height: 1.15; margin: 0; color: inherit; }
p{ margin: 0; }
input, textarea, select{ font: inherit; color: inherit; }

.container{
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 32px;
}

.sr-only{
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link{
  position: absolute; left: 12px; top: -60px;
  background: var(--accent); color: #fff; padding: 10px 16px;
  border-radius: var(--radius-sm); z-index: 1000; transition: top .2s var(--ease);
  font-weight: 600;
}
.skip-link:focus{ top: 12px; }

:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.icon-sprite{ position: absolute; width: 0; height: 0; overflow: hidden; }
.icon{ stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.icon-sm{ stroke-width: 1.8; }
.icon-lg{ stroke-width: 1.4; }

.text-accent{ color: var(--accent); }
.eyebrow{
  font-family: var(--font-display);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent-text);
  margin: 0 0 14px;
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .98rem;
  border: 1px solid transparent;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
  white-space: nowrap;
}
.btn svg{ transition: transform .25s var(--ease); }
.btn:hover{ transform: translateY(-2px); }
.btn:hover svg{ transform: translateX(3px); }
.btn:active{ transform: translateY(0); }

.btn-primary{
  background: linear-gradient(135deg, var(--accent-dark), var(--accent-deep));
  color: #fff;
  box-shadow: 0 14px 30px -12px rgba(var(--accent-rgb), .55);
}
.btn-primary:hover{ box-shadow: 0 18px 36px -12px rgba(var(--accent-rgb), .65); }

.btn-ghost{
  background: transparent;
  color: var(--ink);
  border-color: var(--border);
}
.btn-ghost:hover{ border-color: var(--accent); color: var(--accent-text); }

.section-dark .btn-ghost, .cta-strong .btn-ghost{
  color: var(--dark-ink);
  border-color: var(--dark-border);
}
.section-dark .btn-ghost:hover, .cta-strong .btn-ghost:hover{ color: var(--accent-light); border-color: var(--accent-light); }

.btn-sm{ padding: 10px 20px; font-size: .88rem; }
.btn-lg{ padding: 18px 32px; font-size: 1.02rem; }
.btn-block{ width: 100%; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header{
  position: sticky; top: 0; z-index: 500;
  height: var(--header-h);
  display: flex; align-items: center;
  background: rgba(250,249,246,0.7);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  background: rgba(250,249,246,0.92);
  border-bottom-color: var(--border);
  box-shadow: 0 10px 30px -20px rgba(10,12,16,0.3);
}
.header-inner{ display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand{ display: flex; align-items: center; }
.brand-logo{ height: 84px; width: auto; }

.main-nav .nav-list{ display: flex; align-items: center; gap: 34px; }
.nav-link{
  font-weight: 600; font-size: .96rem; color: var(--ink-soft);
  position: relative; padding: 6px 0;
  transition: color .2s var(--ease);
}
.nav-link::after{
  content: ''; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px;
  background: var(--accent); transition: right .25s var(--ease);
}
.nav-link:hover{ color: var(--ink); }
.nav-link:hover::after, .nav-link.is-active::after{ right: 0; }
.nav-link.is-active{ color: var(--ink); }

.header-actions{ display: flex; align-items: center; gap: 18px; }
.header-actions .btn-primary{ display: inline-flex; }

.nav-toggle{
  display: none; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--border);
  background: var(--surface); color: var(--ink);
}
.nav-toggle .icon-close{ display: none; }
.nav-toggle[aria-expanded="true"] .icon-open{ display: none; }
.nav-toggle[aria-expanded="true"] .icon-close{ display: block; }

.nav-overlay{
  position: fixed; inset: 0; background: rgba(10,12,16,.4);
  opacity: 0; pointer-events: none; transition: opacity .3s var(--ease);
  z-index: 400;
}
.nav-overlay.is-visible{ opacity: 1; pointer-events: auto; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero,
main section[id]{
  scroll-margin-top: var(--header-h);
}

.hero{
  position: relative;
  padding: 88px 0 60px;
  overflow: hidden;
}
.hero-bg{ position: absolute; inset: 0; z-index: 0; }
.hero-grid{
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(21,22,26,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(21,22,26,.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, black, transparent);
}
.hero-glow{ position: absolute; border-radius: 50%; filter: blur(80px); opacity: .5; }
.hero-glow-1{ width: 520px; height: 520px; background: radial-gradient(circle, rgba(var(--accent-rgb),.35), transparent 70%); top: -180px; right: -120px; }
.hero-glow-2{ width: 420px; height: 420px; background: radial-gradient(circle, rgba(20,25,40,.12), transparent 70%); bottom: -160px; left: -140px; }

.hero-inner{
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 40px;
}

.hero-copy h1{
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 22px;
}
.hero-lead{
  font-size: 1.2rem; color: var(--ink-soft); max-width: 46ch; margin-bottom: 16px;
}
.hero-reinforce{
  font-size: 1.05rem; color: var(--ink); max-width: 46ch; margin-bottom: 34px;
}
.hero-ctas{ display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 22px; }
.hero-friction{
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .92rem; color: var(--ink-soft); font-weight: 500;
}
.hero-friction .icon{ color: var(--accent); }

/* --- Orbit diagram --- */
.hero-visual{ position: relative; }
.orbit-diagram{
  position: relative; width: 100%; max-width: 480px; aspect-ratio: 1/1; margin-inline: auto;
}
.orbit-lines{ position: absolute; inset: 0; overflow: visible; }
.mobile-ecosystem, .me-caption{ display: none; }
.orbit-line path{
  fill: none; stroke: rgba(var(--accent-rgb), .4); stroke-width: 1.6;
  stroke-dasharray: 4 7;
  animation: dashFlow 5s linear infinite;
  animation-delay: var(--delay, 0s);
}
@keyframes dashFlow{ to{ stroke-dashoffset: -110; } }

.orbit-hub{
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 118px; height: 118px; border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lift);
  z-index: 3;
}

.orbit-node{
  position: absolute; width: 54px; height: 54px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); box-shadow: var(--shadow-soft);
  animation: floatY 6s ease-in-out infinite;
  z-index: 2;
}
.node-1{ top: 15%; left: 12%; animation-delay: .2s; }
.node-2{ top: 6%; right: 8%; animation-delay: .9s; }
.node-3{ bottom: 12%; left: 10%; animation-delay: .5s; }
.node-4{ bottom: 6%; right: 12%; animation-delay:1.3s; }
.node-5{ top: 0%; left: 47%; animation-delay: 1.7s; }

@keyframes floatY{
  0%, 100%{ transform: translateY(0); }
  50%{ transform: translateY(-10px); }
}
/* Smaller-amplitude variant for mobile, where clearances between hub,
   cards and nodes are tighter by design - keeps the drift from ever
   eating into the required minimum gap. */
/* Radar-ping glow for the mobile hero hub - opacity/scale only, the hub
   itself never moves. */
@keyframes mePulse{
  0%{ transform: scale(.85); opacity: .7; }
  70%{ transform: scale(1.35); opacity: 0; }
  100%{ opacity: 0; }
}

.float-card{
  position: absolute; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-lift);
  padding: 14px 16px; z-index: 4; animation: floatY 7s ease-in-out infinite;
}
.card-dashboard{ width: 168px; top: -6%; right: -8%; animation-delay: .4s; }
.card-phone{ width: 150px; bottom: -4%; left: -10%; animation-delay: 1s; }
.fc-head{ display: flex; align-items: center; gap: 8px; font-size: .74rem; font-weight: 700; color: var(--ink-soft); margin-bottom: 10px; }
.fc-bars{ display: flex; align-items: flex-end; gap: 6px; height: 46px; }
.fc-bars span{ flex: 1; height: var(--h); background: linear-gradient(180deg, var(--accent-light), var(--accent)); border-radius: 3px 3px 0 0; }
.fc-line{ height: 8px; border-radius: 4px; background: var(--bg-tint); margin-bottom: 8px; }
.fc-line.short{ width: 60%; }

.scroll-cue{
  position: relative; z-index: 1; margin: 50px auto 0; width: 26px; height: 42px;
  border: 2px solid var(--border); border-radius: 14px; display: flex; justify-content: center; padding-top: 8px;
}
.scroll-cue span{ width: 4px; height: 8px; border-radius: 2px; background: var(--accent); animation: cueMove 1.8s ease-in-out infinite; }
@keyframes cueMove{
  0%{ opacity: 0; transform: translateY(0); }
  30%{ opacity: 1; }
  100%{ opacity: 0; transform: translateY(14px); }
}

/* ==========================================================================
   TRUST STRIP
   ========================================================================== */
.trust-strip{ padding: 30px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.trust-title{ text-align: center; font-size: .82rem; font-weight: 600; color: var(--ink-faint); letter-spacing: .03em; margin-bottom: 22px; }
.trust-items{
  display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 40px;
}
.trust-items li{
  display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: .95rem; color: var(--ink-soft);
}
.trust-items .icon{ color: var(--accent); }

/* ==========================================================================
   SECTION SCAFFOLDING
   ========================================================================== */
.section{ padding: 110px 0; }
.section-tint{ background: var(--bg-tint); }
.section-dark{ background: var(--dark-bg); color: var(--dark-ink); }
.section-dark .eyebrow{ color: var(--accent-light); }

.section-head{ max-width: 720px; margin: 0 0 56px; }
.section-head h2{ font-size: clamp(1.9rem, 3.4vw, 2.7rem); font-weight: 700; letter-spacing: -.01em; margin-bottom: 16px; }
.section-lead{ font-size: 1.1rem; color: var(--ink-soft); }
.section-dark .section-lead{ color: var(--dark-ink-soft); }

/* ==========================================================================
   PROBLEMS
   ========================================================================== */
.problem-grid{
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--border); border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; margin-bottom: 56px;
}
.problem-item{
  background: var(--surface); padding: 32px 26px; display: flex; flex-direction: column; gap: 16px;
  transition: background .25s var(--ease);
}
.problem-item:hover{ background: var(--bg-tint); }
.problem-item .icon{ color: var(--accent); }
.problem-item p{ font-size: 1rem; font-weight: 500; color: var(--ink); line-height: 1.45; }

.problem-resolution{ text-align: center; }
.resolution-strong{ font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; margin-bottom: 10px; }
.resolution-sub{ font-size: 1.1rem; color: var(--ink-soft); }

/* ==========================================================================
   FEATURE GRID (Qué hace DavSoft)
   ========================================================================== */
.feature-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card{
  background: var(--dark-surface); border: 1px solid var(--dark-border); border-radius: var(--radius-lg);
  padding: 34px 30px; transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.feature-card:hover{ transform: translateY(-6px); border-color: rgba(var(--accent-rgb),.5); }
.feature-card .icon{ color: var(--accent-light); margin-bottom: 18px; }
.feature-card h3{ font-size: 1.15rem; margin-bottom: 10px; }
.feature-card p{ color: var(--dark-ink-soft); font-size: .96rem; }

/* ==========================================================================
   CHIP CLOUD (Qué podríamos desarrollar)
   ========================================================================== */
.chip-cloud{ display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 50px; }
.chip{
  padding: 14px 24px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--surface); font-weight: 600; font-size: .96rem; color: var(--ink);
  transition: border-color .25s var(--ease), color .25s var(--ease), transform .25s var(--ease);
}
.chip:hover{ border-color: var(--accent); color: var(--accent-text); transform: translateY(-2px); }

.cta-inline{
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 22px;
  padding: 30px 34px; background: var(--bg-tint); border-radius: var(--radius-lg);
}
.cta-inline p{ font-size: 1.05rem; font-weight: 600; max-width: 40ch; }
.case-study .cta-inline{ justify-content: center; background: transparent; padding: 0; }
.cta-inline-title{ font-family: var(--font-display); font-size: 1.15rem !important; font-weight: 700 !important; margin-bottom: 6px; }
.cta-inline p + p{ font-size: .96rem; font-weight: 500; color: var(--ink-soft); }

/* ==========================================================================
   NEED GRID (Soluciones por necesidad)
   ========================================================================== */
.need-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.need-card{
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px 28px; transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.need-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-soft); }
.need-card .icon{ color: var(--accent); margin-bottom: 16px; }
.need-card h3{ font-size: 1.1rem; margin-bottom: 8px; }
.need-card p{ color: var(--ink-soft); font-size: .95rem; }

/* ==========================================================================
   INDUSTRY GRID (Soluciones en operación)
   ========================================================================== */
.industry-grid{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.industry-card{
  background: var(--dark-surface); border: 1px solid var(--dark-border); border-radius: var(--radius-lg);
  padding: 34px 32px;
}
.industry-card > .icon{ color: var(--accent-light); margin-bottom: 16px; }
.industry-card h3{ font-size: 1.3rem; margin-bottom: 20px; }
.psr p{ font-size: .95rem; color: var(--dark-ink-soft); margin-bottom: 12px; padding-left: 16px; border-left: 2px solid var(--dark-border); }
.psr p span{ display: block; font-weight: 700; color: var(--accent-light); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 3px; }
.psr p:last-child{ margin-bottom: 0; }

/* ==========================================================================
   SERVICE MOSAIC (Todo lo que podemos construir)
   ========================================================================== */
.service-groups{ display: flex; flex-direction: column; gap: 52px; margin-bottom: 56px; }

.service-group-label{
  display: flex; align-items: center; gap: 14px;
  font-family: var(--font-display); font-size: .78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em; color: var(--ink-faint);
  margin-bottom: 18px;
}
.service-group-label::after{ content: ''; flex: 1; height: 1px; background: var(--border); }

.service-mosaic{ display: grid; gap: 18px; grid-auto-flow: row dense; }
.service-mosaic--a, .service-mosaic--c{ grid-template-columns: repeat(4, 1fr); grid-auto-rows: minmax(160px, auto); }
.service-mosaic--b{ grid-template-columns: repeat(3, 1fr); }
.service-mosaic--d{ grid-template-columns: 1fr; }

.service-tile{
  position: relative; border-radius: var(--radius-lg); padding: 26px 26px;
  background: var(--surface); border: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 10px; justify-content: center;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.service-tile:hover{ transform: translateY(-5px); box-shadow: var(--shadow-soft); border-color: rgba(var(--accent-rgb), .35); }
.service-tile > .icon{ color: var(--accent); }
.service-tile h3{ font-size: 1.02rem; }
.service-tile p{ color: var(--ink-soft); font-size: .92rem; }

.service-tile--hero{
  grid-column: span 2; grid-row: span 2; justify-content: flex-end;
  background: linear-gradient(155deg, var(--dark-bg-2), var(--dark-bg));
  border-color: var(--dark-border); color: var(--dark-ink);
  padding: 34px 32px;
}
.service-tile--hero.service-tile--full{ grid-column: 1 / -1; grid-row: span 1; }
.service-tile--hero > .icon{ color: var(--accent-light); margin-bottom: 6px; }
.service-tile--hero h3{ font-size: 1.5rem; margin-bottom: 2px; }
.service-tile--hero p{ color: var(--dark-ink-soft); font-size: 1rem; max-width: 34ch; }

.service-tile--wide{ grid-column: span 2; }

.service-tile--sm{ padding: 20px 22px; }
.service-tile--sm h3{ font-size: .94rem; }
.service-tile--sm p{ font-size: .84rem; }

.service-tile--social{
  flex-direction: row; align-items: center; gap: 30px;
  padding: 32px 36px;
  background: linear-gradient(120deg, rgba(var(--accent-rgb), .08), var(--surface) 60%);
  border: 1px solid rgba(var(--accent-rgb), .2);
}
.service-tile--social:hover{ box-shadow: var(--shadow-lift); border-color: rgba(var(--accent-rgb), .4); }

.social-tile-visual{ position: relative; width: 96px; height: 96px; flex-shrink: 0; }
.social-icon-badge{
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 64px; height: 64px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-light), var(--accent) 65%, var(--accent-dark));
  display: flex; align-items: center; justify-content: center; color: #fff;
  box-shadow: 0 16px 30px -12px rgba(var(--accent-rgb), .55);
  z-index: 2;
}
.social-orbit{
  position: absolute; width: 30px; height: 30px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--border); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-soft); animation: floatY 6s ease-in-out infinite; z-index: 1;
}
.social-orbit.s1{ top: -6px; right: 0; animation-delay: .2s; }
.social-orbit.s2{ bottom: -4px; left: -6px; animation-delay: 1s; }
.social-orbit.s3{ width: 24px; height: 24px; bottom: 12px; right: -12px; animation-delay: 1.6s; }

.social-tile-copy{ flex: 1; min-width: 0; }
.social-tile-copy h3{ font-size: 1.22rem; margin-bottom: 6px; }
.social-tile-copy p{ font-size: .96rem; margin-bottom: 18px; max-width: 54ch; }

.social-chip-row{ display: flex; flex-wrap: wrap; gap: 9px; list-style: none; margin: 0; padding: 0; }
.social-chip-row li{
  font-size: .78rem; font-weight: 700; padding: 7px 14px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border); color: var(--ink-soft);
  transition: border-color .25s var(--ease), color .25s var(--ease), transform .25s var(--ease);
}
.social-chip-row li:hover{ color: var(--accent-text); border-color: rgba(var(--accent-rgb), .35); transform: translateY(-2px); }

.tile-badge{
  position: absolute; top: 18px; right: 18px;
  background: var(--accent-dark); color: #fff; font-size: .66rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: .06em; padding: 4px 11px; border-radius: 999px;
}

.tile-kicker{
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  color: var(--accent-text);
}

.parking-chips{ display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.parking-chips span{
  display: inline-flex; align-items: center; gap: 5px; font-size: .74rem; font-weight: 700;
  padding: 5px 11px; border-radius: 999px; background: rgba(var(--accent-rgb), .08); color: var(--accent-text);
}

/* ==========================================================================
   CASE STUDY (ATASA)
   ========================================================================== */
.case-grid{ display: grid; grid-template-columns: 1fr 1.4fr 1fr; gap: 28px; margin-bottom: 50px; align-items: start; }
.case-block{
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 30px 28px; height: 100%;
}
.case-block h3{ font-size: 1.1rem; margin-bottom: 16px; color: var(--accent-text); }
.case-block p{ color: var(--ink-soft); font-size: .96rem; }
.case-actors{ margin-top: 18px; display: flex; flex-direction: column; gap: 12px; }
.case-actors li{ display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: .92rem; }
.case-actors .icon{ color: var(--accent); }
.result-list{ display: flex; flex-direction: column; gap: 14px; }
.result-list li{ display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: .95rem; }
.result-list .icon{ color: var(--accent); }

.flow-diagram{ display: flex; align-items: center; flex-wrap: wrap; gap: 10px; justify-content: center; }
.flow-node{
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  width: 84px; padding: 14px 8px; border-radius: var(--radius-sm);
  background: var(--bg-tint); border: 1px solid var(--border);
}
.flow-node .icon{ color: var(--accent); }
.flow-node span{ font-size: .74rem; font-weight: 700; text-align: center; }
.flow-arrow{ color: var(--ink-faint); flex-shrink: 0; }

/* ==========================================================================
   PARKXUS
   ========================================================================== */
.parkxus{
  background: linear-gradient(180deg, var(--bg-tint), var(--bg));
}
.parkxus-inner{ display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.parkxus-logo-heading{ margin: 0 0 18px; line-height: 0; }
.parkxus-logo-plate{
  display: inline-flex; align-items: center; justify-content: center;
  padding: 22px 30px;
  border-radius: var(--radius-md);
  background: linear-gradient(155deg, var(--dark-bg-2), var(--dark-bg));
  box-shadow: var(--shadow-soft);
}
.parkxus-logo-img{ display: block; height: 88px; width: auto; }
.parkxus-tags{ display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0 32px; }
.parkxus-tags li{
  font-size: .84rem; font-weight: 700; padding: 8px 16px; border-radius: 999px;
  background: rgba(var(--accent-rgb), .1); color: var(--accent-dark);
}

.parkxus-visual{ display: flex; flex-direction: column; align-items: center; gap: 14px; }
.mock-dashboard{
  width: 100%; max-width: 420px; background: var(--dark-bg-2); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift); overflow: hidden; border: 1px solid var(--dark-border);
}
.mock-dash-head{ display: flex; align-items: center; gap: 8px; padding: 14px 18px; background: var(--dark-surface); border-bottom: 1px solid var(--dark-border); }
.mock-dash-head .dot{ width: 9px; height: 9px; border-radius: 50%; background: var(--dark-border); }
.mock-dash-title{ margin-left: 8px; font-size: .8rem; font-weight: 600; color: var(--dark-ink-soft); }
.mock-dash-body{ display: flex; gap: 22px; padding: 26px; align-items: center; }
.mock-gauge{ position: relative; display: flex; flex-direction: column; align-items: center; gap: 6px; flex-shrink: 0; }
.mock-gauge svg{ transform: rotate(-90deg); }
.gauge-track{ fill: none; stroke: rgba(255,255,255,.1); stroke-width: 10; }
.gauge-value{ fill: none; stroke: var(--accent); stroke-width: 10; stroke-linecap: round; stroke-dasharray: 314; stroke-dashoffset: 90; }
.mock-gauge p{ font-size: .72rem; color: var(--dark-ink-soft); font-weight: 600; }
.mock-rows{ display: flex; flex-direction: column; gap: 14px; }
.mock-row{ display: flex; align-items: center; gap: 10px; font-size: .86rem; font-weight: 600; color: var(--dark-ink); }
.mock-row .icon{ color: var(--accent-light); }
.mock-caption{ font-size: .8rem; color: var(--ink-faint); }

/* ==========================================================================
   PROCESS FLOW (Cómo trabaja DavSoft)
   ========================================================================== */
.process-flow{ display: flex; align-items: flex-start; gap: 8px; }
.process-step{ flex: 1; text-align: center; }
.process-icon{
  position: relative; width: 76px; height: 76px; border-radius: 50%; margin: 0 auto 20px;
  background: var(--dark-surface); border: 1px solid var(--dark-border);
  display: flex; align-items: center; justify-content: center; color: var(--accent-light);
}
.process-num{
  position: absolute; top: -6px; right: -6px; width: 24px; height: 24px; border-radius: 50%;
  background: var(--accent); color: #fff; font-size: .74rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.process-step h3{ font-size: 1rem; margin-bottom: 8px; }
.process-step p{ font-size: .87rem; color: var(--dark-ink-soft); }
.process-arrow{ color: var(--dark-border); flex-shrink: 0; margin-top: 30px; }

/* ==========================================================================
   CAPABILITIES
   ========================================================================== */
.capabilities-grid{
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--border); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden;
}
.capabilities-grid li{
  background: var(--surface); padding: 26px 22px; display: flex; align-items: center; gap: 12px;
  font-weight: 600; font-size: .95rem; transition: background .25s var(--ease), color .25s var(--ease);
}
.capabilities-grid li:hover{ background: var(--bg-tint); color: var(--accent-text); }
.capabilities-grid .icon{ color: var(--accent); flex-shrink: 0; }

/* ==========================================================================
   CTA STRONG
   ========================================================================== */
.cta-strong{
  background: radial-gradient(ellipse 90% 100% at 50% 0%, rgba(var(--accent-rgb),.35), transparent 60%), var(--dark-bg);
  color: var(--dark-ink); text-align: center;
}
.cta-strong-inner{ max-width: 720px; margin-inline: auto; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.cta-strong h2{ font-size: clamp(2rem, 3.6vw, 3rem); font-weight: 700; letter-spacing: -.01em; }
.cta-strong p{ font-size: 1.1rem; color: var(--dark-ink-soft); max-width: 52ch; }
.cta-strong-sub{ font-size: .98rem !important; }
.cta-strong .btn-lg{ margin-top: 10px; }

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact-inner{ display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; }
.contact-details{ margin: 30px 0; display: flex; flex-direction: column; gap: 16px; }
.contact-details li{ display: flex; align-items: center; gap: 12px; font-weight: 600; }
.contact-details .icon{ color: var(--accent); flex-shrink: 0; }
.contact-details a:hover{ color: var(--accent-text); }

.social-links{ display: flex; gap: 12px; }
.social-links a{
  width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; color: var(--ink-soft);
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.social-links a:hover{ background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-3px); }

.contact-form{
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 40px; box-shadow: var(--shadow-soft);
}
.form-row{ margin-bottom: 20px; display: flex; flex-direction: column; gap: 8px; }
.form-row label{ font-size: .88rem; font-weight: 700; }
.form-row input, .form-row select, .form-row textarea{
  padding: 13px 16px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--bg); transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
  width: 100%;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(var(--accent-rgb), .14);
}
.form-row textarea{ resize: vertical; min-height: 110px; }
.form-status{ margin-top: 16px; font-size: .92rem; font-weight: 600; min-height: 1.2em; }
.form-status.is-success{ color: #1a7a4c; }
.form-status.is-error{ color: var(--accent-dark); }

/* ==========================================================================
   LEGAL PAGE
   ========================================================================== */
.legal-content{ max-width: 760px; }
.legal-content h1{ font-size: clamp(2.2rem, 4vw, 2.9rem); font-weight: 700; margin-bottom: 8px; }
.legal-updated{ color: var(--ink-faint); font-size: .9rem; margin-bottom: 40px; }
.legal-content h2{ font-size: 1.25rem; font-weight: 700; margin: 40px 0 12px; }
.legal-content p{ color: var(--ink-soft); margin-bottom: 4px; }
.legal-content a{ color: var(--accent-text); font-weight: 600; }
.legal-contact{ margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{ background: var(--dark-bg); color: var(--dark-ink); padding: 80px 0 0; }
.footer-inner{ display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 60px; border-bottom: 1px solid var(--dark-border); }
.footer-logo{ height: 36px; width: auto; margin-bottom: 18px; }
.footer-brand p{ color: var(--dark-ink-soft); margin-bottom: 22px; max-width: 32ch; }
.footer-heading{ font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--dark-ink-soft); margin-bottom: 18px; }
.footer-nav ul{ display: flex; flex-direction: column; gap: 12px; }
.footer-nav a:hover, .footer-contact a:hover{ color: var(--accent-light); }
.footer-contact a{ display: inline-block; margin-bottom: 14px; font-weight: 600; }
.footer-contact p{ color: var(--dark-ink-soft); line-height: 1.6; }

.footer-legal{
  display: flex; align-items: center; justify-content: space-between;
  padding: 26px 32px; font-size: .84rem; color: var(--dark-ink-soft);
}
.footer-legal a:hover{ color: var(--accent-light); }

/* ==========================================================================
   SCROLL REVEAL
   ========================================================================== */
[data-reveal]{
  opacity: 0; transform: translateY(28px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
[data-reveal].is-visible{ opacity: 1; transform: translateY(0); }

/* ==========================================================================
   REDUCED MOTION
   ========================================================================== */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  [data-reveal]{ opacity: 1; transform: none; }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1280px){
  .container{ padding-inline: 28px; }
  .case-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 1024px){
  .container{ padding-inline: 24px; }
  .main-nav{ display: none; }
  .nav-toggle{ display: flex; }

  .hero-inner{ grid-template-columns: 1fr; text-align: center; }
  .hero-copy{ order: 0; }
  .hero-lead, .hero-reinforce{ margin-inline: auto; }
  .hero-ctas{ justify-content: center; }
  .hero-visual{ order: 1; max-width: 420px; margin-inline: auto; margin-top: 12px; }

  .feature-grid, .need-grid{ grid-template-columns: repeat(2, 1fr); }
  .industry-grid{ grid-template-columns: 1fr; }
  .problem-grid{ grid-template-columns: repeat(2, 1fr); }
  .capabilities-grid{ grid-template-columns: repeat(3, 1fr); }

  .service-mosaic--a, .service-mosaic--c{ grid-template-columns: repeat(2, 1fr); }
  .service-mosaic--b{ grid-template-columns: repeat(2, 1fr); }
  .service-tile--hero{ grid-row: span 1; }

  .parkxus-inner{ grid-template-columns: 1fr; }
  .parkxus-visual{ order: -1; }

  .contact-inner{ grid-template-columns: 1fr; gap: 44px; }

  .process-flow{ flex-wrap: wrap; justify-content: center; }
  .process-step{ flex: 0 0 30%; }
  .process-arrow{ display: none; }

  .footer-inner{ grid-template-columns: 1fr 1fr; }
  .footer-brand{ grid-column: 1 / -1; }
}

@media (max-width: 1024px) and (min-width: 769px){
  /* Tablet: sticky mobile nav panel width */
  .main-nav{
    display: block; position: fixed; top: var(--header-h); right: 0; height: calc(100dvh - var(--header-h));
    width: 380px; max-width: 86vw; background: var(--surface); z-index: 450;
    padding: 32px 28px; box-shadow: -20px 0 50px -20px rgba(10,12,16,.3);
    transform: translateX(100%); visibility: hidden;
    transition: transform .35s var(--ease), visibility 0s linear .35s;
    overflow-y: auto;
  }
  .main-nav.is-open{
    transform: translateX(0); visibility: visible;
    transition: transform .35s var(--ease), visibility 0s linear 0s;
  }
  .main-nav .nav-list{ flex-direction: column; align-items: flex-start; gap: 6px; }
  .main-nav .nav-link{ display: block; width: 100%; padding: 14px 4px; font-size: 1.05rem; }
  .main-nav .nav-link::after{ display: none; }
}

@media (max-width: 768px){
  :root{ --header-h: 92px; }
  .section{ padding: 80px 0; }
  .container{ padding-inline: 20px; }

  .header-actions .btn-primary{ display: none; }
  .brand-logo{ height: 48px; }

  .main-nav{
    display: block; position: fixed; top: var(--header-h); right: 0; height: calc(100dvh - var(--header-h));
    width: 100%; background: var(--surface); z-index: 450;
    padding: 28px 24px; transform: translateX(100%); visibility: hidden;
    transition: transform .35s var(--ease), visibility 0s linear .35s;
    overflow-y: auto;
  }
  .main-nav.is-open{
    transform: translateX(0); visibility: visible;
    transition: transform .35s var(--ease), visibility 0s linear 0s;
  }
  .main-nav .nav-list{ flex-direction: column; align-items: stretch; gap: 4px; }
  .main-nav .nav-link{ display: block; padding: 16px 6px; font-size: 1.1rem; border-bottom: 1px solid var(--border); }
  .main-nav .nav-link::after{ display: none; }
  .main-nav::after{
    content: ''; display: block; margin-top: 20px; padding-top: 20px;
  }

  .hero{ padding: 44px 0 36px; }
  .hero-ctas{ flex-direction: column; align-items: stretch; }
  .hero-ctas .btn{ width: 100%; }

  /* Mobile hero illustration v3: a completely separate composition from the
     desktop orbit-diagram (hidden below), not a repositioned copy of it.
     A symmetric cross - one node fixed-offset from each of the 4 edges,
     hub centered - is inherently collision-safe: opposite-edge nodes never
     need to reason about each other, and each node only has to clear the
     hub, whose extent is independent of the axis that node is offset on.
     Nothing here has a position-changing animation - only opacity/glow/
     dash-flow effects, per the "nodes must stay fixed" requirement. */
  .hero-visual{ margin-top: 18px; }
  .orbit-diagram{ display: none; }

  .mobile-ecosystem{
    display: block;
    position: relative;
    width: 90%;
    max-width: 340px;
    height: 300px;
    margin-inline: auto;
  }
  .me-lines{ position: absolute; inset: 0; overflow: visible; }
  .me-line{
    fill: none; stroke: rgba(var(--accent-rgb), .45); stroke-width: 1.6;
    stroke-dasharray: 4 7; animation: dashFlow 5s linear infinite;
  }
  .me-dot{ fill: var(--accent); }

  .me-hub{
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 80px; height: 80px; border-radius: 50%;
    background: var(--surface); border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-lift);
    z-index: 3;
  }
  .me-hub img{ width: 60px; height: auto; }
  .me-hub::after{
    content: ''; position: absolute; inset: -8px; border-radius: 50%;
    border: 2px solid rgba(var(--accent-rgb), .5);
    animation: mePulse 2.6s ease-out infinite;
  }

  .me-node{
    position: absolute;
    display: flex; flex-direction: column; align-items: center; gap: 6px;
    width: 64px;
    z-index: 2;
  }
  .me-node-circle{
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--surface); border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    color: var(--accent); box-shadow: var(--shadow-soft);
  }
  .me-node-label{
    font-size: .68rem; font-weight: 700; color: var(--ink-soft);
    text-align: center; white-space: nowrap;
  }

  .me-node--app{ top: 8px; left: 50%; transform: translateX(-50%); }
  .me-node--operacion{ bottom: 8px; left: 50%; transform: translateX(-50%); }
  .me-node--nube{ left: 6px; top: 50%; transform: translateY(-50%); }
  .me-node--panel{ right: 6px; top: 50%; transform: translateY(-50%); }

  .me-caption{
    display: block;
    text-align: center; margin-top: 14px;
    font-size: .85rem; font-weight: 600; color: var(--ink-soft);
  }

  .trust-strip{ padding: 22px 0; }
  .trust-title{ font-size: .78rem; margin-bottom: 18px; }
  .trust-items{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .trust-items li{
    flex-direction: column;
    justify-content: center;
    text-align: center;
    gap: 8px;
    min-height: 82px;
    padding: 14px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    font-size: .78rem;
  }
  .trust-items .icon{ width: 20px; height: 20px; }

  .feature-grid, .need-grid, .problem-grid, .capabilities-grid{ grid-template-columns: 1fr; }
  .problem-grid{ border-radius: var(--radius-md); }

  .service-mosaic{ grid-template-columns: 1fr !important; }
  .service-tile, .service-tile--hero, .service-tile--hero.service-tile--full, .service-tile--wide{ grid-column: auto; grid-row: auto; }
  .service-tile--social{ flex-direction: column; align-items: flex-start; text-align: left; padding: 28px; gap: 22px; }
  .social-tile-visual{ width: 84px; height: 84px; }
  .service-groups{ gap: 40px; }

  .case-grid{ gap: 18px; }
  .flow-diagram{ flex-direction: column; }
  .flow-arrow{ transform: rotate(90deg); }

  .parkxus-tags{ gap: 8px; }
  .mock-dash-body{ flex-direction: column; align-items: flex-start; }

  .process-flow{ flex-direction: column; gap: 34px; }
  .process-step{ flex: 1 1 auto; }

  .footer-inner{ grid-template-columns: 1fr; gap: 34px; padding-bottom: 44px; }
  .footer-legal{ flex-direction: column; gap: 10px; text-align: center; padding-block: 22px; }

  .contact-form{ padding: 28px 22px; }
  .cta-inline{ flex-direction: column; align-items: flex-start; }
}

@media (max-width: 430px){
  .hero-copy h1{ font-size: 2.3rem; }
  .btn-lg{ padding: 16px 24px; font-size: .95rem; }
  .parkxus-logo-plate{ padding: 16px 22px; }
  .parkxus-logo-img{ height: 60px; }
}