/* =========================================================
   BitLogic Solutions - Hoja de estilos
   Paleta corporativa tomada del logo:
   Azul  #0A4984 | Verde #00793D | Naranja #F39200 | Gris #4A4A4A
   ========================================================= */

:root{
  /* Marca */
  --blue:        #0A4984;
  --blue-600:    #0d5b9f;
  --blue-400:    #2f80c8;
  --blue-200:    #a9cbea;
  --green:       #00793D;
  --green-600:   #00924a;
  --green-400:   #25c16a;
  --orange:      #F39200;
  --orange-400:  #ffab2e;
  --gray:        #4A4A4A;

  /* Neutros */
  --ink:         #0e1b2a;
  --ink-2:       #33475b;
  --muted:       #64748b;
  --line:        #e3e9f0;
  --bg:          #ffffff;
  --bg-alt:      #f5f8fb;
  --dark:        #071a2e;
  --dark-2:      #0a2643;

  /* Sistema */
  --radius:      18px;
  --radius-sm:   12px;
  --shadow:      0 10px 30px rgba(10,73,132,.08);
  --shadow-lg:   0 24px 60px rgba(10,73,132,.16);
  --container:   1200px;
  --header-h:    84px;
  --grad:        linear-gradient(135deg, var(--blue) 0%, var(--green) 100%);
  --grad-light:  linear-gradient(135deg, #4FA3E3 0%, #25C16A 100%);
  --ease:        cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; scroll-padding-top: var(--header-h); }

body{
  margin:0;
  font-family:'Inter', 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
  color:var(--ink);
  background:var(--bg);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{ overflow:hidden; }

img,svg{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ margin:0 0 .5em; line-height:1.18; letter-spacing:-.02em; font-weight:800; }
p{ margin:0 0 1em; }

.container{ width:100%; max-width:var(--container); margin-inline:auto; padding-inline:24px; }

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:999;
  background:var(--blue); color:#fff; padding:12px 20px; border-radius:0 0 8px 0;
}
.skip-link:focus{ left:0; }

:focus-visible{ outline:3px solid var(--orange); outline-offset:3px; border-radius:6px; }

.grad-text{
  background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.grad-text-light{
  background:var(--grad-light); -webkit-background-clip:text; background-clip:text; color:transparent;
}

/* ================= BOTONES ================= */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.55em;
  font-weight:700; font-size:.95rem; letter-spacing:.01em;
  padding:13px 26px; border-radius:999px; border:2px solid transparent;
  cursor:pointer; transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, color .25s, border-color .25s;
  white-space:nowrap;
}
.btn-lg{ padding:16px 34px; font-size:1rem; }
.btn-primary{ background:var(--grad); color:#fff; box-shadow:0 10px 26px rgba(10,73,132,.28); }
.btn-primary:hover{ transform:translateY(-3px); box-shadow:0 16px 36px rgba(0,121,61,.32); }
.btn-ghost{ background:transparent; color:#fff; border-color:rgba(255,255,255,.45); }
.btn-ghost:hover{ background:rgba(255,255,255,.12); border-color:#fff; transform:translateY(-3px); }
.btn-accent{ background:var(--orange); color:#20160a; box-shadow:0 10px 26px rgba(243,146,0,.35); }
.btn-accent:hover{ background:var(--orange-400); transform:translateY(-3px); }
.btn-whatsapp{ background:#25D366; color:#04321a; }
.btn-whatsapp:hover{ background:#1fb757; transform:translateY(-3px); }
.btn[disabled]{ opacity:.6; cursor:not-allowed; transform:none !important; }

/* ================= HEADER ================= */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:100;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s, border-color .3s, background .3s;
}
.site-header.scrolled{ box-shadow:0 6px 24px rgba(10,73,132,.10); border-color:var(--line); }

.header-inner{ display:flex; align-items:center; justify-content:space-between; gap:24px; height:var(--header-h); }
.brand-logo{ height:46px; width:auto; transition:height .3s var(--ease); }
.site-header.scrolled .brand-logo{ height:40px; }

.main-nav{ display:flex; align-items:center; gap:34px; }
.main-nav ul{ display:flex; align-items:center; gap:30px; }
.nav-link{
  position:relative; font-weight:600; font-size:.95rem; color:var(--ink-2);
  padding:6px 0; transition:color .25s;
}
.nav-link::after{
  content:''; position:absolute; left:0; bottom:0; height:2.5px; width:0;
  background:var(--grad); border-radius:2px; transition:width .3s var(--ease);
}
.nav-link:hover{ color:var(--blue); }
.nav-link:hover::after, .nav-link.active::after{ width:100%; }
.nav-link.active{ color:var(--blue); }
.nav-cta{ padding:11px 22px; font-size:.9rem; }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:46px; height:46px; border:1px solid var(--line); border-radius:12px;
  background:#fff; cursor:pointer; padding:0 11px;
}
.nav-toggle span{ display:block; height:2.5px; width:100%; background:var(--blue); border-radius:2px; transition:transform .3s var(--ease), opacity .2s; }
.nav-toggle.open span:nth-child(1){ transform:translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform:translateY(-7.5px) rotate(-45deg); }

.scroll-progress{ height:3px; width:0; background:var(--grad); transition:width .1s linear; }

.nav-backdrop{ position:fixed; inset:0; background:rgba(7,26,46,.5); z-index:90; opacity:0; transition:opacity .3s; }
.nav-backdrop.show{ opacity:1; }

/* ================= HERO ================= */
.hero{
  position:relative; overflow:hidden;
  padding:calc(var(--header-h) + 80px) 0 0;
  background:linear-gradient(160deg, #071a2e 0%, #0a3a68 55%, #05543a 100%);
  color:#fff;
}
.hero-bg{ position:absolute; inset:0; pointer-events:none; }
.orb{ position:absolute; border-radius:50%; filter:blur(70px); opacity:.5; }
.orb-1{ width:460px; height:460px; background:#0d5b9f; top:-120px; left:-80px; animation:float 16s ease-in-out infinite; }
.orb-2{ width:400px; height:400px; background:#00924a; bottom:-140px; right:-60px; animation:float 20s ease-in-out infinite reverse; }
.orb-3{ width:260px; height:260px; background:#F39200; opacity:.22; top:35%; right:22%; animation:float 24s ease-in-out infinite; }
@keyframes float{ 0%,100%{ transform:translate(0,0);} 50%{ transform:translate(28px,-34px);} }

.grid-lines{
  position:absolute; inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at 50% 30%, #000 25%, transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 30%, #000 25%, transparent 75%);
}

.hero-inner{
  position:relative; z-index:1;
  display:grid; grid-template-columns:1.05fr .95fr; gap:60px; align-items:center;
  padding-bottom:90px;
}

.badge{
  display:inline-flex; align-items:center; gap:9px;
  background:rgba(255,255,255,.09); border:1px solid rgba(255,255,255,.18);
  padding:7px 16px; border-radius:999px; font-size:.82rem; font-weight:600;
  letter-spacing:.06em; text-transform:uppercase; color:#cfe3f5; margin-bottom:22px;
}
.badge .dot{ width:8px; height:8px; border-radius:50%; background:var(--orange); box-shadow:0 0 0 0 rgba(243,146,0,.7); animation:pulse 2.2s infinite; }
@keyframes pulse{ 70%{ box-shadow:0 0 0 10px rgba(243,146,0,0);} 100%{ box-shadow:0 0 0 0 rgba(243,146,0,0);} }

.hero h1{ font-size:clamp(2.3rem, 4.6vw, 3.9rem); font-weight:900; margin-bottom:20px; }
.hero .lead{ font-size:1.09rem; color:#c6d8e8; max-width:56ch; margin-bottom:32px; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-bottom:52px; }

.hero-stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; border-top:1px solid rgba(255,255,255,.14); padding-top:26px; }
.hero-stats strong{ display:block; font-size:2rem; font-weight:900; background:var(--grad-light); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero-stats span{ font-size:.83rem; color:#9fb6cb; }

/* Visual del hero */
.hero-visual{ position:relative; }
.glass-card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.15);
  border-radius:var(--radius);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  box-shadow:0 30px 70px rgba(0,0,0,.32);
}
.code-card{ overflow:hidden; animation:rise .8s var(--ease) both; }
@keyframes rise{ from{ opacity:0; transform:translateY(26px);} to{ opacity:1; transform:none;} }
.code-head{
  display:flex; align-items:center; gap:8px;
  padding:13px 18px; background:rgba(255,255,255,.06); border-bottom:1px solid rgba(255,255,255,.12);
}
.code-head .dot{ width:11px; height:11px; border-radius:50%; }
.code-head .r{ background:#ff5f57; } .code-head .y{ background:#febc2e; } .code-head .g{ background:#28c840; }
.code-head em{ margin-left:auto; font-style:normal; font-size:.78rem; color:#9fb6cb; letter-spacing:.04em; }
.code-body{
  margin:0; padding:22px; overflow-x:auto;
  font-family:'Cascadia Code','Fira Code',Consolas,monospace; font-size:.83rem; line-height:1.85; color:#dbe7f2;
}
.c-key{ color:#69b7ff; } .c-var{ color:#ffce6b; } .c-str{ color:#7ee2a8; }
.c-fn{ color:#f79dd0; } .c-cmt{ color:#7d93a8; font-style:italic; }

.float-chip{
  position:absolute; display:flex; align-items:center; gap:8px;
  background:#fff; color:var(--ink); font-size:.82rem; font-weight:700;
  padding:10px 16px; border-radius:999px; box-shadow:var(--shadow-lg);
  animation:bob 5s ease-in-out infinite;
}
.float-chip .ico{ font-size:1rem; }
.chip-1{ top:-22px; right:24px; }
.chip-2{ bottom:44px; left:-28px; animation-delay:1.2s; }
.chip-3{ bottom:-20px; right:56px; animation-delay:2.4s; }
@keyframes bob{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(-11px);} }

/* Marquee de tecnologías */
.marquee{
  position:relative; z-index:1;
  border-top:1px solid rgba(255,255,255,.12);
  background:rgba(0,0,0,.18); overflow:hidden; padding:15px 0;
  mask-image:linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image:linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track{ display:flex; gap:52px; width:max-content; animation:scroll 32s linear infinite; }
.marquee-track span{ color:#8fa9c0; font-weight:700; font-size:.9rem; letter-spacing:.08em; text-transform:uppercase; white-space:nowrap; }
@keyframes scroll{ from{ transform:translateX(0);} to{ transform:translateX(-50%);} }

/* ================= SECCIONES ================= */
.section{ padding:104px 0; }
.section-alt{ background:var(--bg-alt); }
.section-dark{ background:linear-gradient(150deg, var(--dark) 0%, #0a3358 100%); color:#fff; }
.mt-64{ margin-top:64px; }

.section-head{ max-width:760px; margin:0 auto 60px; text-align:center; }
.eyebrow{
  display:inline-block; font-size:.78rem; font-weight:800; letter-spacing:.16em;
  text-transform:uppercase; color:var(--green); margin-bottom:14px;
}
.section-head h2{ font-size:clamp(1.85rem, 3.3vw, 2.7rem); font-weight:900; }
.section-head p{ color:var(--muted); font-size:1.05rem; margin:0; }
.section-head.light .eyebrow{ color:var(--orange); }
.section-head.light p{ color:#a9c1d6; }

/* ================= CARDS ================= */
.cards-grid{ display:grid; grid-template-columns:repeat(auto-fit, minmax(310px, 1fr)); gap:26px; }
.cards-grid.grid-3{ grid-template-columns:repeat(auto-fit, minmax(290px, 1fr)); }

.card{
  position:relative; background:#fff; border:1px solid var(--line);
  border-radius:var(--radius); padding:32px 30px; overflow:hidden;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
  display:flex; flex-direction:column;
}
.card::before{
  content:''; position:absolute; inset:0 0 auto 0; height:4px; background:var(--grad);
  transform:scaleX(0); transform-origin:left; transition:transform .4s var(--ease);
}
.card:hover{ transform:translateY(-8px); box-shadow:var(--shadow-lg); border-color:transparent; }
.card:hover::before{ transform:scaleX(1); }

.card-icon{
  width:58px; height:58px; border-radius:16px; display:grid; place-items:center; margin-bottom:20px;
  transition:transform .35s var(--ease);
}
.card-icon svg{ width:27px; height:27px; }
.card-icon.blue{ background:rgba(10,73,132,.10); color:var(--blue); }
.card-icon.green{ background:rgba(0,121,61,.10); color:var(--green); }
.card-icon.orange{ background:rgba(243,146,0,.13); color:#c97600; }
.card:hover .card-icon{ transform:scale(1.08) rotate(-4deg); }

.card h3{ font-size:1.22rem; margin-bottom:8px; }
.card > p{ color:var(--muted); font-size:.95rem; }

.card-list{ margin:14px 0 20px; display:grid; gap:9px; }
.card-list li{ position:relative; padding-left:24px; font-size:.9rem; color:var(--ink-2); }
.card-list li::before{
  content:''; position:absolute; left:0; top:.55em; width:9px; height:9px;
  background:var(--grad); border-radius:2px; transform:rotate(45deg);
}
.card-link{ margin-top:auto; font-weight:700; font-size:.92rem; color:var(--blue); transition:gap .2s, color .2s; }
.card-link:hover{ color:var(--green); }

/* ================= PRODUCTO DESTACADO ================= */
.product-feature{
  display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center;
  background:#fff; border:1px solid var(--line); border-radius:24px;
  padding:48px; box-shadow:var(--shadow);
}
.tag{
  display:inline-block; background:rgba(243,146,0,.14); color:#a86300;
  font-size:.74rem; font-weight:800; letter-spacing:.1em; text-transform:uppercase;
  padding:6px 14px; border-radius:999px; margin-bottom:14px;
}
.product-copy h3{ font-size:clamp(1.5rem,2.4vw,2rem); }
.product-copy > p{ color:var(--muted); }

.feature-split{ display:grid; grid-template-columns:1fr 1fr; gap:22px; margin:26px 0; }
.feature-split h4{ font-size:1rem; color:var(--blue); margin-bottom:6px; }
.feature-split p{ font-size:.9rem; color:var(--muted); margin:0; }

.check-list{ display:grid; gap:11px; margin-bottom:28px; }
.check-list li{ position:relative; padding-left:30px; font-size:.94rem; color:var(--ink-2); }
.check-list li::before{
  content:''; position:absolute; left:0; top:.35em; width:19px; height:19px; border-radius:50%;
  background:rgba(0,121,61,.12);
}
.check-list li::after{
  content:''; position:absolute; left:6px; top:.62em; width:7px; height:4px;
  border-left:2px solid var(--green); border-bottom:2px solid var(--green);
  transform:rotate(-45deg);
}

/* Sistemas implantados (columna derecha del producto destacado) */
.systems-title{
  font-size:.78rem; font-weight:800; letter-spacing:.14em; text-transform:uppercase;
  color:var(--muted); margin-bottom:16px;
}
.systems-grid{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.system-card{
  border:1px solid transparent; border-radius:14px; padding:20px 22px;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.system-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow); }
.system-card h5{ font-size:.95rem; font-weight:800; line-height:1.3; margin:0 0 7px; }
.system-card p{ font-size:.85rem; color:var(--ink-2); margin:0; }
.tint-blue{ background:rgba(10,73,132,.07); border-color:rgba(10,73,132,.14); }
.tint-blue h5{ color:var(--blue); }
.tint-green{ background:rgba(0,121,61,.07); border-color:rgba(0,121,61,.15); }
.tint-green h5{ color:var(--green); }
.tint-orange{ background:rgba(243,146,0,.10); border-color:rgba(243,146,0,.20); }
.tint-orange h5{ color:#a86300; }

/* ================= TECNOLOGIAS ================= */
.tech-tabs{ display:flex; flex-wrap:wrap; justify-content:center; gap:10px; margin-bottom:38px; }
.tech-tab{
  border:1px solid var(--line); background:#fff; color:var(--ink-2);
  font-family:inherit; font-weight:600; font-size:.88rem;
  padding:9px 20px; border-radius:999px; cursor:pointer;
  transition:all .25s var(--ease);
}
.tech-tab:hover{ border-color:var(--blue-200); color:var(--blue); }
.tech-tab.active{ background:var(--grad); color:#fff; border-color:transparent; box-shadow:0 8px 20px rgba(10,73,132,.22); }

.tech-grid{ display:flex; flex-wrap:wrap; justify-content:center; gap:12px; }
.tech-chip{
  background:#fff; border:1px solid var(--line); border-radius:12px;
  padding:12px 22px; font-weight:600; font-size:.92rem; color:var(--ink-2);
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), color .25s, border-color .25s;
}
.tech-chip:hover{ transform:translateY(-4px); box-shadow:var(--shadow); color:var(--blue); border-color:var(--blue-200); }
.tech-chip.hide{ display:none; }

/* ================= NOSOTROS ================= */
.values-grid{ display:grid; grid-template-columns:repeat(auto-fit, minmax(240px,1fr)); gap:24px; }
.value{
  position:relative; background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius); padding:30px 26px; transition:transform .35s var(--ease), background .3s, border-color .3s;
}
.value:hover{ transform:translateY(-6px); background:rgba(255,255,255,.09); border-color:rgba(37,193,106,.35); }
.value-num{
  display:block; font-size:2.2rem; font-weight:900; margin-bottom:8px;
  background:var(--grad-light); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.value h3{ font-size:1.1rem; color:#fff; }
.value p{ color:#a9c1d6; font-size:.92rem; margin:0; }

.cta-banner{
  margin-top:60px; display:flex; align-items:center; justify-content:space-between;
  gap:32px; flex-wrap:wrap;
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.14);
  border-radius:24px; padding:40px 44px;
}
.cta-banner h3{ font-size:1.5rem; color:#fff; margin-bottom:6px; }
.cta-banner p{ color:#a9c1d6; margin:0; }

/* ================= CONTACTO ================= */
.contact-layout{ display:grid; grid-template-columns:1.25fr .75fr; gap:32px; align-items:start; }

.contact-form{
  background:#fff; border:1px solid var(--line); border-radius:22px;
  padding:38px; box-shadow:var(--shadow); backdrop-filter:none;
}
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field{ margin-bottom:18px; display:flex; flex-direction:column; }
.field label{ font-size:.87rem; font-weight:700; color:var(--ink-2); margin-bottom:7px; }
.req{ color:var(--orange); }

.field input, .field select, .field textarea{
  font-family:inherit; font-size:.95rem; color:var(--ink);
  border:1.5px solid var(--line); border-radius:12px; padding:13px 15px;
  background:#fbfcfe; transition:border-color .25s, box-shadow .25s, background .25s;
  width:100%;
}
.field textarea{ resize:vertical; min-height:120px; }
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--blue-400); background:#fff;
  box-shadow:0 0 0 4px rgba(47,128,200,.14);
}
.field input.invalid, .field select.invalid, .field textarea.invalid{
  border-color:#e0483b; box-shadow:0 0 0 4px rgba(224,72,59,.12);
}
.error-msg{ display:block; color:#d0342a; font-size:.8rem; min-height:1.1em; margin-top:5px; }

.checkbox{ display:flex; gap:11px; align-items:flex-start; font-size:.88rem; color:var(--ink-2); margin-top:4px; }
.checkbox input{ width:18px; height:18px; margin-top:2px; accent-color:var(--green); flex:none; }
.link{ color:var(--blue); font-weight:700; text-decoration:underline; }

.form-actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:22px; }
.form-note{ margin:16px 0 0; font-size:.9rem; min-height:1.4em; }
.form-note.ok{ color:var(--green); font-weight:700; }
.form-note.err{ color:#d0342a; font-weight:700; }

.contact-info{ display:grid; gap:16px; }
.info-card{
  display:flex; gap:16px; align-items:flex-start;
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:22px 24px; transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.info-card:hover{ transform:translateX(5px); box-shadow:var(--shadow); }
.info-icon{ width:46px; height:46px; border-radius:13px; display:grid; place-items:center; flex:none; }
.info-icon svg{ width:22px; height:22px; }
.info-icon.blue{ background:rgba(10,73,132,.10); color:var(--blue); }
.info-icon.green{ background:rgba(0,121,61,.10); color:var(--green); }
.info-icon.orange{ background:rgba(243,146,0,.14); color:#c97600; }
.info-card h4{ font-size:.95rem; margin-bottom:3px; }
.info-card p, .info-card a{ font-size:.9rem; color:var(--muted); margin:0; }
.info-card a:hover{ color:var(--blue); }

/* ================= FOOTER ================= */
.site-footer{ background:var(--dark); color:#c6d8e8; padding:72px 0 0; }
.footer-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1.2fr; gap:44px; padding-bottom:52px; }
.footer-brand img{ height:56px; width:auto; margin-bottom:18px; }
.footer-brand p{ font-size:.92rem; color:#9fb6cb; max-width:40ch; }
.social{ display:flex; gap:10px; margin-top:20px; }
.social a{
  width:40px; height:40px; border-radius:11px; display:grid; place-items:center;
  background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.12);
  color:#c6d8e8; transition:all .25s var(--ease);
}
.social a svg{ width:19px; height:19px; }
.social a:hover{ background:var(--grad); color:#fff; transform:translateY(-3px); border-color:transparent; }

.footer-col h4{ color:#fff; font-size:1rem; margin-bottom:16px; }
.footer-col ul{ display:grid; gap:10px; }
.footer-col a, .footer-col li{ font-size:.9rem; color:#9fb6cb; transition:color .2s; }
.footer-col a:hover{ color:var(--green-400); }

.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.1); padding-block:22px;
}
.footer-bottom p{ margin:0; font-size:.86rem; color:#8fa9c0; }
.footer-legal{ display:flex; gap:22px; }
.footer-legal a{ font-size:.86rem; color:#8fa9c0; }
.footer-legal a:hover{ color:var(--green-400); }

/* ================= FABs ================= */
.fab{
  position:fixed; right:24px; z-index:80;
  width:56px; height:56px; border-radius:50%; display:grid; place-items:center;
  border:none; cursor:pointer; box-shadow:0 12px 30px rgba(0,0,0,.22);
  transition:transform .3s var(--ease), box-shadow .3s;
}
.fab:hover{ transform:translateY(-4px) scale(1.05); }
.fab svg{ width:28px; height:28px; }
.fab.whatsapp{ bottom:24px; background:#25D366; color:#fff; }
.fab.whatsapp::after{
  content:''; position:absolute; inset:0; border-radius:50%;
  box-shadow:0 0 0 0 rgba(37,211,102,.6); animation:pulse 2.4s infinite;
}
.fab.top{ bottom:92px; background:var(--grad); color:#fff; }
.fab.top[hidden]{ display:none; }

/* ================= MODAL ================= */
.modal{ position:fixed; inset:0; z-index:200; display:grid; place-items:center; padding:24px; }
.modal[hidden]{ display:none; }
.modal-backdrop{ position:absolute; inset:0; background:rgba(7,26,46,.66); backdrop-filter:blur(3px); }
.modal-box{
  position:relative; background:#fff; border-radius:20px; padding:38px;
  max-width:640px; width:100%; max-height:82vh; overflow-y:auto; box-shadow:var(--shadow-lg);
  animation:rise .3s var(--ease) both;
}
.modal-box h3{ font-size:1.4rem; color:var(--blue); padding-right:32px; }
.modal-body{ font-size:.94rem; color:var(--ink-2); }
.modal-body h4{ font-size:1rem; margin:20px 0 6px; color:var(--ink); }
.modal-close{
  position:absolute; top:16px; right:18px; width:36px; height:36px; border-radius:50%;
  border:1px solid var(--line); background:#fff; font-size:1.4rem; line-height:1;
  color:var(--muted); cursor:pointer; transition:all .2s;
}
.modal-close:hover{ background:var(--bg-alt); color:var(--ink); }

/* ================= REVEAL ================= */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.visible{ opacity:1; transform:none; }
.cards-grid .reveal:nth-child(2){ transition-delay:.08s; }
.cards-grid .reveal:nth-child(3){ transition-delay:.16s; }
.cards-grid .reveal:nth-child(4){ transition-delay:.24s; }
.cards-grid .reveal:nth-child(5){ transition-delay:.32s; }
.cards-grid .reveal:nth-child(6){ transition-delay:.4s; }
.values-grid .reveal:nth-child(2){ transition-delay:.1s; }
.values-grid .reveal:nth-child(3){ transition-delay:.2s; }
.values-grid .reveal:nth-child(4){ transition-delay:.3s; }

/* ================= RESPONSIVE ================= */
@media (max-width:1080px){
  .hero-inner{ grid-template-columns:1fr; gap:56px; }
  .hero-visual{ max-width:560px; }
  .chip-2{ left:0; }
  .product-feature{ grid-template-columns:1fr; gap:38px; padding:36px; }
  .contact-layout{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; gap:36px; }
}

@media (max-width:860px){
  :root{ --header-h:72px; }
  .nav-toggle{ display:flex; }
  .main-nav{
    position:fixed; top:0; right:0; z-index:95;
    width:min(320px, 84vw); height:100dvh;
    background:#fff; flex-direction:column; align-items:stretch; justify-content:flex-start;
    gap:0; padding:96px 28px 32px;
    transform:translateX(102%); transition:transform .35s var(--ease);
    box-shadow:-16px 0 44px rgba(7,26,46,.18);
    overflow-y:auto;
  }
  .main-nav.open{ transform:none; }
  .main-nav ul{ flex-direction:column; align-items:stretch; gap:0; }
  .main-nav li{ border-bottom:1px solid var(--line); }
  .nav-link{ display:block; padding:16px 2px; font-size:1rem; }
  .nav-link::after{ display:none; }
  .nav-cta{ margin-top:26px; width:100%; }
  .hero{ padding-top:calc(var(--header-h) + 56px); }
  .hero-stats{ grid-template-columns:1fr 1fr; gap:22px; }
  .section{ padding:76px 0; }
  .feature-split{ grid-template-columns:1fr; }
  .cta-banner{ padding:32px 26px; }
}

@media (max-width:560px){
  .container{ padding-inline:18px; }
  .systems-grid{ grid-template-columns:1fr; }
  .field-row{ grid-template-columns:1fr; gap:0; }
  .contact-form{ padding:26px 22px; }
  .hero-actions .btn{ width:100%; }
  .form-actions .btn{ width:100%; }
  .footer-grid{ grid-template-columns:1fr; }
  .float-chip{ display:none; }
  .modal-box{ padding:28px 22px; }
  .fab{ right:16px; }
  .fab.whatsapp{ bottom:16px; }
  .fab.top{ bottom:84px; }
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
  html{ scroll-behavior:auto; }
  .reveal{ opacity:1; transform:none; }
}

@media print{
  .site-header,.fab,.marquee,.hero-bg,.nav-toggle{ display:none !important; }
  body{ color:#000; }
}