/* GERD Telecom — v3 design system. Dark industrial-premium. es-MX. */
:root{
  --bg:#09131d; --bg-2:#07111a; --bg-3:#0b1824;
  --panel:rgba(12,27,42,0.72);
  --panel-solid:#0e2234;
  --border:rgba(123,162,195,0.18);
  --border-strong:rgba(123,162,195,0.34);
  --text:#e8f1f7; --muted:#89a4bc; --dim:#5f7a91;
  --accent:#44d1a8; --accent-2:#58a6ff; --accent-ink:#052018;
  --warn:#f5c451; --good:#3ed180; --danger:#ff6b6b;
  --radius:18px; --radius-sm:12px;
  --shadow:0 18px 50px rgba(0,0,0,0.38);
  --shadow-sm:0 8px 24px rgba(0,0,0,0.28);
  --sans:"Inter","Segoe UI","Helvetica Neue",Arial,sans-serif;
  --mono:"SFMono-Regular",ui-monospace,"Cascadia Code",Menlo,Consolas,monospace;
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--sans);color:var(--text);line-height:1.55;
  background:
    radial-gradient(1200px 600px at 12% -5%, rgba(68,209,168,0.14), transparent 45%),
    radial-gradient(1000px 560px at 100% 0%, rgba(88,166,255,0.13), transparent 42%),
    linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 55%, var(--bg-3) 100%);
  background-attachment:fixed;min-height:100vh;overflow-x:hidden;
}
a{color:var(--accent-2);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
h1,h2,h3{line-height:1.15;margin:0 0 .4em;letter-spacing:-0.02em;font-weight:750}
p{margin:0 0 1em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.mono{font-family:var(--mono)}
.accent{color:var(--accent)}
.muted{color:var(--muted)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:.5em;justify-content:center;
  padding:.85em 1.4em;border-radius:var(--radius-sm);font-weight:650;font-size:1rem;
  border:1px solid transparent;cursor:pointer;transition:transform .12s ease,box-shadow .2s ease,background .2s;
  font-family:inherit;text-decoration:none;line-height:1}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:linear-gradient(135deg,var(--accent),#37b892);color:var(--accent-ink);box-shadow:0 10px 26px rgba(68,209,168,.28)}
.btn-ghost{background:rgba(255,255,255,.05);color:var(--text);border-color:var(--border-strong)}
.btn-wa{background:#25d366;color:#052012;box-shadow:0 10px 26px rgba(37,211,102,.26)}
.btn-lg{padding:1.05em 1.8em;font-size:1.08rem}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* ---- header ---- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:linear-gradient(180deg,rgba(7,17,26,.9),rgba(7,17,26,.55));
  border-bottom:1px solid var(--border)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:.6em;font-weight:800;font-size:1.15rem;letter-spacing:-.02em;color:var(--text)}
.brand:hover{text-decoration:none}
.logo-mark{width:34px;height:34px;flex:0 0 auto}
.nav-links{display:flex;gap:1.4em;align-items:center}
.nav-links a{color:var(--muted);font-weight:550;font-size:.95rem}
.nav-links a:hover{color:var(--text);text-decoration:none}
.nav-cta{padding:.55em 1.1em;border-radius:10px;background:rgba(68,209,168,.12);color:var(--accent)!important;border:1px solid rgba(68,209,168,.3)}
@media(max-width:760px){.nav-links a:not(.nav-cta){display:none}}

/* ---- hero ---- */
.hero{position:relative;padding:76px 0 54px;overflow:hidden}
.hero-grid{position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:linear-gradient(rgba(88,166,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(88,166,255,.05) 1px,transparent 1px);
  background-size:52px 52px;mask-image:radial-gradient(70% 60% at 50% 0%,#000,transparent 78%)}
.eyebrow{display:inline-flex;align-items:center;gap:.5em;font-size:.82rem;font-weight:650;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);background:rgba(68,209,168,.1);border:1px solid rgba(68,209,168,.24);padding:.4em .9em;border-radius:999px;margin-bottom:1.3em}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(68,209,168,.6);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(68,209,168,.5)}70%{box-shadow:0 0 0 10px rgba(68,209,168,0)}100%{box-shadow:0 0 0 0 rgba(68,209,168,0)}}
.hero h1{font-size:clamp(2.3rem,6vw,4rem);max-width:15ch}
.hero h1 .grad{background:linear-gradient(120deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lede{font-size:clamp(1.05rem,2.3vw,1.32rem);color:var(--muted);max-width:56ch;margin-bottom:1.8em}
.hero-cta{display:flex;gap:.9em;flex-wrap:wrap}
.hero-trust{margin-top:2.6em;display:flex;gap:1.6em;align-items:center;flex-wrap:wrap;color:var(--dim);font-size:.86rem}
.hero-trust b{color:var(--muted);font-weight:600}

/* ---- stats ---- */
.stats{padding:12px 0 30px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px 20px;position:relative;overflow:hidden;
  backdrop-filter:blur(8px);box-shadow:var(--shadow-sm)}
.stat::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),transparent)}
.stat .num{font-size:clamp(1.9rem,4vw,2.7rem);font-weight:800;letter-spacing:-.03em;line-height:1;
  background:linear-gradient(120deg,#fff,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .lbl{color:var(--muted);font-size:.9rem;margin-top:.5em;font-weight:550}
.stat .sub{color:var(--dim);font-size:.78rem;margin-top:.2em}
@media(max-width:900px){.stats-grid{grid-template-columns:repeat(2,1fr)}}

/* ---- sections ---- */
section{padding:56px 0}
.sec-head{max-width:60ch;margin-bottom:2.2em}
.sec-head .kicker{color:var(--accent);font-weight:650;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase}
.sec-head h2{font-size:clamp(1.7rem,4vw,2.5rem);margin-top:.3em}
.sec-head p{color:var(--muted);font-size:1.06rem}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.cards{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:26px 24px;transition:border-color .2s,transform .2s;backdrop-filter:blur(8px)}
.card:hover{border-color:var(--border-strong);transform:translateY(-3px)}
.card .ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:rgba(68,209,168,.12);color:var(--accent);margin-bottom:14px}
.card h3{font-size:1.2rem}
.card p{color:var(--muted);font-size:.97rem;margin:0}

/* ---- experience strip ---- */
.strip{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:rgba(7,17,26,.4);padding:34px 0}
.strip-in{display:flex;align-items:center;justify-content:center;gap:30px;flex-wrap:wrap;color:var(--muted);font-weight:700;font-size:1.05rem;letter-spacing:.02em}
.strip-in .sep{color:var(--accent);opacity:.6}
.strip-in .tag{color:var(--text)}

/* ---- process ---- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:s}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}
.step{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px;position:relative}
.step .n{font-family:var(--mono);color:var(--accent);font-weight:700;font-size:.9rem;opacity:.9}
.step h3{font-size:1.05rem;margin:.5em 0 .2em}
.step p{color:var(--muted);font-size:.9rem;margin:0}

/* ---- CTA ---- */
.cta{margin:20px 0 0}
.cta-box{background:linear-gradient(135deg,rgba(14,34,52,.96),rgba(10,23,34,.96)),linear-gradient(90deg,rgba(68,209,168,.14),rgba(88,166,255,.08));
  border:1px solid var(--border-strong);border-radius:26px;padding:48px 40px;text-align:center;box-shadow:var(--shadow)}
.cta-box h2{font-size:clamp(1.7rem,4vw,2.4rem)}
.cta-box p{color:var(--muted);max-width:52ch;margin:0 auto 1.6em}

/* ---- footer ---- */
footer{border-top:1px solid var(--border);padding:40px 0;color:var(--dim);font-size:.9rem}
.foot-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:flex-start}
.foot-links{display:flex;gap:1.4em;flex-wrap:wrap}
.foot-links a{color:var(--muted)}

/* ---- reveal animation ---- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.dot{animation:none}}