/* =========================================================
   AVTECNOLOGÍA — Design System 2026
   ========================================================= */

:root{
  --navy-950:#060a18;
  --navy-900:#0b1120;
  --navy-800:#0e1830;
  --navy-700:#132145;
  --navy-600:#1a2c5c;
  --navy-500:#22397a;
  --cyan-400:#5eead4;
  --cyan-300:#67e8f9;
  --accent:#14c2d4;
  --accent-2:#3b82f6;
  --accent-glow: rgba(20,194,212,.35);
  --ink:#0b1120;
  --paper:#f6f8fc;
  --paper-2:#eef2fa;
  --muted:#5b6b8c;
  --line: rgba(11,17,32,.09);
  --white:#ffffff;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-soft: 0 20px 45px -20px rgba(11,17,32,.25);
  --shadow-strong: 0 30px 70px -25px rgba(6,10,24,.55);
  --maxw: 1220px;
  --ff-head: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --ff-body: "Inter", "Segoe UI", system-ui, sans-serif;
}

@font-face{ font-family:"Inter"; src:local("Inter"); }

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family: var(--ff-body);
  background: var(--paper);
  color: var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul{margin:0; padding:0;}
h1,h2,h3,h4{font-family:var(--ff-head); margin:0 0 .5em; line-height:1.15; letter-spacing:-.01em;}
p{margin:0 0 1em;}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 clamp(20px,4vw,40px);}
section{position:relative;}
.visually-hidden{position:absolute !important; width:1px;height:1px; overflow:hidden; clip:rect(0 0 0 0);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.55em;
  font-family:var(--ff-head); font-weight:600; font-size:.95rem;
  padding:.85em 1.6em; border-radius:999px; border:1px solid transparent;
  cursor:pointer; transition:transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
  white-space:nowrap;
}
.btn svg{width:1.05em; height:1.05em; flex-shrink:0;}
.btn-primary{
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color:#04121a; box-shadow: 0 14px 30px -10px var(--accent-glow);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 20px 38px -12px var(--accent-glow); }
.btn-outline{
  background:transparent; border-color: rgba(255,255,255,.35); color:var(--white);
}
.btn-outline:hover{ background: rgba(255,255,255,.12); transform:translateY(-2px); }
.btn-outline.dark{ border-color: rgba(11,17,32,.25); color:var(--ink); }
.btn-outline.dark:hover{ background: rgba(11,17,32,.06); }
.btn-ghost{ background:var(--paper-2); color:var(--ink); }
.btn-ghost:hover{ background:#e3e9f6; transform:translateY(-2px); }
.btn-block{width:100%;}
.btn[disabled]{opacity:.6; cursor:not-allowed; transform:none !important;}

/* ---------- Topbar ---------- */
.topbar{
  background:var(--navy-950); color:rgba(255,255,255,.75); font-size:.82rem;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.topbar .wrap{ display:flex; align-items:center; justify-content:space-between; padding:.5em clamp(20px,4vw,40px); gap:1em; flex-wrap:wrap;}
.topbar a{display:inline-flex; align-items:center; gap:.4em;}
.topbar a:hover{color:var(--cyan-300);}
.topbar-left{display:flex; gap:1.4em; flex-wrap:wrap;}
.topbar-right{display:flex; gap:.9em;}
.topbar-right a{
  width:28px; height:28px; border-radius:50%; background:rgba(255,255,255,.08);
  display:inline-flex; align-items:center; justify-content:center;
}
.topbar-right a:hover{background:var(--accent); color:var(--navy-950);}
.topbar svg{width:14px; height:14px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky; top:0; z-index:1000;
  background: rgba(6,10,24,.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition: padding .25s ease, background .25s ease;
}
.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; padding:.7em clamp(20px,4vw,40px); gap:1.5em;}
.site-header.scrolled .wrap{ padding-block:.4em; }
.brand{ display:flex; align-items:center; gap:.7em; flex-shrink:0;}
.brand-mark{
  width:44px; height:44px; border-radius:12px; background:radial-gradient(circle at 30% 25%, #fff 0 2px, transparent 3px), var(--navy-800);
  display:flex; align-items:center; justify-content:center; overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
}
.brand-mark img{width:100%; height:100%; object-fit:contain; background:#fff;}
.brand-text{display:flex; flex-direction:column; line-height:1.1;}
.brand-text strong{font-family:var(--ff-head); color:#fff; font-size:1.08rem; letter-spacing:.02em;}
.brand-text span{font-size:.68rem; color:var(--cyan-300); letter-spacing:.12em; text-transform:uppercase;}

.main-nav{display:flex; align-items:center; gap:1.9em;}
.main-nav > ul{display:flex; align-items:center; gap:1.9em;}
.main-nav a.nav-link{
  color:rgba(255,255,255,.82); font-weight:500; font-size:.93rem; padding:.4em 0; position:relative;
  display:flex; align-items:center; gap:.35em;
}
.main-nav a.nav-link::after{
  content:""; position:absolute; left:0; bottom:-4px; height:2px; width:0; background:var(--accent);
  transition:width .25s ease;
}
.main-nav a.nav-link:hover, .main-nav li.active > a.nav-link{ color:#fff; }
.main-nav a.nav-link:hover::after, .main-nav li.active > a.nav-link::after{width:100%;}
.main-nav li{position:relative;}
.main-nav .chev{width:10px; height:10px; transition:transform .2s ease;}
.has-dropdown:hover .chev, .has-dropdown.open .chev{transform:rotate(180deg);}

.dropdown{
  position:absolute; top:100%; left:50%; transform:translateX(-50%);
  min-width:290px; background:var(--navy-800); border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-md); padding:1.1em .6em .6em; margin-top:0; box-shadow:var(--shadow-strong);
  opacity:0; visibility:hidden; transition:opacity .18s ease;
}
.has-dropdown:hover .dropdown, .has-dropdown.open .dropdown{ opacity:1; visibility:visible; }
.dropdown a{
  display:flex; gap:.7em; align-items:flex-start; padding:.65em .7em; border-radius:var(--radius-sm);
  color:rgba(255,255,255,.85);
}
.dropdown a:hover{background:rgba(255,255,255,.06); color:#fff;}
.dropdown a svg{width:18px; height:18px; color:var(--accent); flex-shrink:0; margin-top:2px;}
.dropdown a small{display:block; font-size:.76rem; color:rgba(255,255,255,.5); font-weight:400; margin-top:.15em;}

.nav-cta{display:flex; align-items:center; gap:.8em;}
.nav-toggle{
  display:none; flex-direction:column; gap:5px; background:transparent; border:0; cursor:pointer; padding:8px;
}
.nav-toggle span{width:24px; height:2px; background:#fff; border-radius:2px; transition:transform .25s ease, opacity .25s ease;}

/* ---------- Hero ---------- */
.hero{ position:relative; }
.hero-banner{
  position:relative; height:clamp(220px,28vw,400px); overflow:hidden; background:var(--navy-950);
}
.hero-banner.tall{ height:clamp(300px,38vw,560px); }
.hero-banner img{ width:100%; height:100%; object-fit:cover; display:block; }
.hero-banner::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(6,10,24,0) 55%, var(--paper) 100%);
}
.hero-info{ background:var(--paper); padding: clamp(34px,5vw,54px) 0 clamp(50px,7vw,68px); }
.breadcrumb{
  display:flex; align-items:center; gap:.5em; font-size:.8rem; color:var(--muted); margin-bottom:1.3em;
  text-transform:uppercase; letter-spacing:.08em; flex-wrap:wrap;
}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb svg{width:10px; height:10px; opacity:.55;}
.eyebrow{
  display:inline-flex; align-items:center; gap:.5em; font-size:.78rem; letter-spacing:.12em; text-transform:uppercase;
  color:#0d8b98; background:rgba(20,194,212,.12); border:1px solid rgba(20,194,212,.3);
  padding:.45em .95em; border-radius:999px; margin-bottom:1.3em;
}
.eyebrow svg{width:14px; height:14px;}
.hero-info h1{ font-size:clamp(2rem, 4vw, 3.1rem); max-width:20ch; color:var(--ink); }
.hero-info .lead{ color:var(--muted); font-size:1.1rem; max-width:52ch; }
.hero-actions{display:flex; gap:1em; margin-top:1.6em; flex-wrap:wrap;}
.hero-stats{display:flex; gap:2.4em; margin-top:2.2em; flex-wrap:wrap;}
.hero-stats .stat b{display:block; font-family:var(--ff-head); font-size:2rem; color:var(--ink);}
.hero-stats .stat span{font-size:.82rem; color:var(--muted);}

/* ---------- Section headers ---------- */
.section{ padding: clamp(60px,8vw,100px) 0; }
.section-alt{ background:var(--paper-2); }
.section-dark{ background: linear-gradient(160deg, var(--navy-900), var(--navy-800)); color:#fff; }
.section-head{ max-width:720px; margin-bottom:3em; }
.section-head.center{ margin-inline:auto; text-align:center; }
.tag{
  display:inline-flex; align-items:center; gap:.5em; font-size:.76rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--accent); font-weight:700; margin-bottom:.9em;
}
.tag::before{content:""; width:22px; height:2px; background:var(--accent); display:inline-block;}
.section-head h2{ font-size:clamp(1.7rem,3vw,2.4rem); }
.section-head p{color:var(--muted); font-size:1.05rem;}
.section-dark .section-head p{color:rgba(255,255,255,.65);}

/* ---------- Grids & Cards ---------- */
.grid{ display:grid; gap:1.6em; }
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:980px){ .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);} }
@media (max-width:640px){ .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;} }

.card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:1.8em; box-shadow:var(--shadow-soft); transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.card:hover{transform:translateY(-6px); box-shadow:var(--shadow-strong); border-color:rgba(20,194,212,.35);}
.card .icon{
  width:56px; height:56px; border-radius:16px; display:flex; align-items:center; justify-content:center;
  background: linear-gradient(135deg, rgba(20,194,212,.16), rgba(59,130,246,.16)); color:var(--accent);
  margin-bottom:1.1em;
}
.card .icon svg{width:28px; height:28px;}
.card h3{font-size:1.12rem;}
.card p{color:var(--muted); font-size:.95rem; margin-bottom:0;}
.card .num{
  font-family:var(--ff-head); font-size:.78rem; color:var(--accent); font-weight:700; letter-spacing:.1em;
  margin-bottom:.6em; display:block;
}

.dark-card{
  background: rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.12); border-radius:var(--radius-lg);
  padding:1.8em; backdrop-filter: blur(6px);
}
.dark-card .icon{background:rgba(20,194,212,.16); color:var(--cyan-300);}
.dark-card h3{color:#fff;}
.dark-card p{color:rgba(255,255,255,.65);}

/* ---------- Timeline / process ---------- */
.timeline{ position:relative; margin-top:1em; }
.timeline::before{
  content:""; position:absolute; left:22px; top:6px; bottom:6px; width:2px;
  background: linear-gradient(180deg, var(--accent), transparent);
}
.timeline-item{ position:relative; padding-left:64px; margin-bottom:2em; }
.timeline-item:last-child{margin-bottom:0;}
.timeline-item .dot{
  position:absolute; left:8px; top:0; width:30px; height:30px; border-radius:50%;
  background:var(--navy-800); border:2px solid var(--accent); color:var(--accent);
  display:flex; align-items:center; justify-content:center; font-family:var(--ff-head); font-weight:700; font-size:.85rem;
}
.timeline-item h4{margin-bottom:.3em; font-size:1.05rem;}
.timeline-item p{color:var(--muted); margin-bottom:0;}

/* ---------- Mission split blocks ---------- */
.split{display:grid; grid-template-columns:1fr 1fr; gap:3.2em; align-items:center;}
@media (max-width:900px){.split{grid-template-columns:1fr;}}
.split img{border-radius:var(--radius-lg); box-shadow:var(--shadow-strong);}
.media-frame{position:relative;}
.media-frame::before{
  content:""; position:absolute; inset:-14px; border:1px dashed rgba(20,194,212,.4); border-radius:calc(var(--radius-lg) + 14px);
  pointer-events:none;
}
.media-badge{
  position:absolute; bottom:-22px; left:-22px; background:var(--navy-900); color:#fff; padding:1em 1.3em;
  border-radius:var(--radius-md); box-shadow:var(--shadow-strong); display:flex; align-items:center; gap:.8em;
}
.media-badge svg{width:26px; height:26px; color:var(--accent);}
.media-badge b{display:block; font-family:var(--ff-head); font-size:1.3rem;}
.media-badge span{font-size:.75rem; color:rgba(255,255,255,.6);}

/* ---------- Stats strip ---------- */
.stats-strip{
  background: var(--navy-900); color:#fff; border-radius:var(--radius-lg);
  padding:2.2em clamp(1.2em,4vw,3em); display:grid; grid-template-columns:repeat(4,1fr); gap:1.6em;
  box-shadow:var(--shadow-strong);
}
@media (max-width:760px){.stats-strip{grid-template-columns:repeat(2,1fr);}}
.stats-strip .stat{text-align:center; border-right:1px solid rgba(255,255,255,.1);}
.stats-strip .stat:last-child{border-right:0;}
.stats-strip .stat b{display:block; font-family:var(--ff-head); font-size:clamp(1.7rem,3vw,2.3rem); color:var(--cyan-300);}
.stats-strip .stat span{font-size:.8rem; color:rgba(255,255,255,.6);}

/* ---------- Allies marquee ---------- */
.marquee-wrap{ overflow:hidden; position:relative; -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent); mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);}
.marquee{ display:flex; gap:2.4em; width:max-content; animation: scrollX 32s linear infinite; }
.marquee:hover{animation-play-state:paused;}
.marquee img{
  height:64px; width:64px; object-fit:contain; border-radius:50%; background:#fff; padding:8px;
  border:1px solid var(--line); box-shadow:var(--shadow-soft);
}
@keyframes scrollX{ from{transform:translateX(0);} to{transform:translateX(-50%);} }

/* ---------- CTA banner ---------- */
.cta-banner{
  position:relative; overflow:hidden; border-radius:var(--radius-lg);
  background: linear-gradient(135deg, #eefaf9, #e7f3fd);
  border:1px solid rgba(20,194,212,.25);
  color:var(--ink); padding:clamp(2.2em,5vw,3.6em); text-align:center;
  box-shadow:var(--shadow-soft);
}
.cta-banner::before{
  content:""; position:absolute; inset:0; background: radial-gradient(50% 80% at 80% 0%, rgba(20,194,212,.16), transparent 60%);
}
.cta-banner > *{position:relative; z-index:1;}
.cta-banner h2{font-size:clamp(1.5rem,3vw,2.1rem); max-width:26ch; margin-inline:auto; color:var(--ink);}
.cta-banner p{color:var(--muted); max-width:50ch; margin:0 auto 1.6em;}
.cta-actions{display:flex; gap:1em; justify-content:center; flex-wrap:wrap;}
.cta-actions .btn-outline{ border-color:rgba(11,17,32,.25); color:var(--ink); }
.cta-actions .btn-outline:hover{ background:rgba(11,17,32,.06); }

/* ---------- Contact / WhatsApp ---------- */
.contact-grid{ grid-template-columns: 1.4fr 1fr; gap:2.4em; align-items:stretch; }
@media (max-width:820px){ .contact-grid{ grid-template-columns:1fr; } }

.whatsapp-card{
  background:#fff; border-radius:var(--radius-lg); box-shadow:var(--shadow-strong); padding:clamp(1.6em,4vw,2.6em);
  border:1px solid var(--line);
}
.wa-badge{
  width:60px; height:60px; border-radius:16px; background:#e9fbf0; color:#16a34a;
  display:flex; align-items:center; justify-content:center; margin-bottom:1.1em;
}
.wa-badge svg{width:30px; height:30px;}
.btn-whatsapp{ background:#22c55e; color:#fff; box-shadow:0 14px 30px -10px rgba(34,197,94,.4); }
.btn-whatsapp:hover{ transform:translateY(-2px); box-shadow:0 20px 38px -12px rgba(34,197,94,.45); }
.wa-topics{ display:flex; flex-wrap:wrap; gap:.7em; }
.wa-chip{
  display:inline-flex; align-items:center; gap:.55em; padding:.65em 1.1em; border-radius:999px;
  background:var(--paper-2); border:1px solid var(--line); font-size:.86rem; font-weight:600; color:var(--ink);
  transition:background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
}
.wa-chip svg{width:16px; height:16px; color:#16a34a; flex-shrink:0;}
.wa-chip:hover{ background:#e9fbf0; border-color:#22c55e; color:#0f8a3f; transform:translateY(-2px); }

.contact-info-card{
  background:var(--navy-900); color:#fff; border-radius:var(--radius-lg); padding:2em; height:100%;
}
.contact-info-card h3{color:#fff;}
.contact-line{display:flex; gap:.9em; align-items:flex-start; margin-bottom:1.4em;}
.contact-line .ci-icon{
  width:42px; height:42px; border-radius:12px; background:rgba(20,194,212,.16); color:var(--cyan-300);
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.contact-line .ci-icon svg{width:20px; height:20px;}
.contact-line strong{display:block; font-size:.78rem; text-transform:uppercase; letter-spacing:.08em; color:rgba(255,255,255,.5); margin-bottom:.25em;}
.contact-line a, .contact-line span{color:#fff; font-size:.98rem;}

/* ---------- Pricing / course info blocks ---------- */
.info-panel{
  background: linear-gradient(160deg, var(--navy-800), var(--navy-700)); color:#fff; border-radius:var(--radius-lg);
  padding:clamp(1.6em,4vw,2.6em);
}
.info-panel h3{color:#fff; display:flex; align-items:center; gap:.6em;}
.info-panel ul{margin-top:1em;}
.info-panel li{display:flex; gap:.7em; padding:.5em 0; border-bottom:1px solid rgba(255,255,255,.08); font-size:.95rem; color:rgba(255,255,255,.85);}
.info-panel li:last-child{border-bottom:0;}
.info-panel li svg{width:16px; height:16px; color:var(--cyan-300); flex-shrink:0; margin-top:3px;}

.check-list{display:grid; gap:.7em; margin-top:1em;}
.check-list li{display:flex; gap:.7em; align-items:flex-start; font-size:.95rem; color:var(--muted);}
.check-list li svg{width:18px; height:18px; color:var(--accent); flex-shrink:0; margin-top:2px;}

.price-box{
  background:#fff; border:2px solid var(--accent); border-radius:var(--radius-lg); padding:1.8em; text-align:center;
  box-shadow:var(--shadow-soft);
}
.price-box .old{ text-decoration:line-through; color:var(--muted); font-size:1rem;}
.price-box .now{font-family:var(--ff-head); font-size:2.4rem; color:var(--navy-900); display:block; margin:.2em 0;}
.price-box .now small{font-size:.9rem; color:var(--muted); font-weight:400;}
.badge-save{
  display:inline-block; background:#e9fbf3; color:#0f8a5f; font-size:.78rem; font-weight:700; padding:.3em .8em;
  border-radius:999px; margin-bottom:.8em;
}

/* ---------- FAQ / accordion ---------- */
.accordion-item{ border-bottom:1px solid var(--line); }
.accordion-item:first-child{border-top:1px solid var(--line);}
.accordion-trigger{
  width:100%; text-align:left; background:transparent; border:0; padding:1.3em .2em; cursor:pointer;
  display:flex; justify-content:space-between; align-items:center; gap:1em; font-family:var(--ff-head); font-size:1.02rem; color:var(--ink);
}
.accordion-trigger svg{width:20px; height:20px; color:var(--accent); flex-shrink:0; transition:transform .25s ease;}
.accordion-item.open .accordion-trigger svg{transform:rotate(45deg);}
.accordion-panel{ max-height:0; overflow:hidden; transition:max-height .3s ease; }
.accordion-panel-inner{padding:0 .2em 1.3em; color:var(--muted); font-size:.95rem;}

/* ---------- Footer ---------- */
.site-footer{ background:var(--navy-950); color:rgba(255,255,255,.7); }
.footer-top{ padding:clamp(50px,7vw,80px) 0 40px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:2.6em; }
@media (max-width:900px){ .footer-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:560px){ .footer-grid{grid-template-columns:1fr;} }
.footer-grid h4{color:#fff; font-size:.95rem; margin-bottom:1.1em;}
.footer-grid li{margin-bottom:.7em; font-size:.9rem;}
.footer-grid a:hover{color:var(--cyan-300);}
.footer-brand p{font-size:.9rem; color:rgba(255,255,255,.55); max-width:32ch;}
.footer-social{display:flex; gap:.7em; margin-top:1.2em;}
.footer-social a{
  width:36px; height:36px; border-radius:50%; background:rgba(255,255,255,.06); display:flex; align-items:center; justify-content:center;
  border:1px solid rgba(255,255,255,.1);
}
.footer-social a:hover{background:var(--accent); color:var(--navy-950); border-color:var(--accent);}
.footer-social svg{width:16px; height:16px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08); padding:1.4em 0; font-size:.82rem;
  display:flex; justify-content:space-between; gap:1em; flex-wrap:wrap; color:rgba(255,255,255,.45);
}
.footer-bottom a:hover{color:var(--cyan-300);}

/* ---------- Floating buttons ---------- */
.fab-group{ position:fixed; right:22px; bottom:22px; display:flex; flex-direction:column; gap:.8em; z-index:900; }
.fab{
  width:52px; height:52px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  box-shadow:var(--shadow-strong); cursor:pointer; border:0; transition:transform .25s ease, opacity .25s ease;
}
.fab svg{width:24px; height:24px;}
.fab-whatsapp{ background:#22c55e; color:#fff; }
.fab-top{ background:var(--navy-900); color:#fff; opacity:0; transform:translateY(10px); pointer-events:none; }
.fab-top.show{opacity:1; transform:translateY(0); pointer-events:auto;}
.fab:hover{transform:translateY(-3px) scale(1.05);}

/* ---------- Reveal animation ---------- */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }
.reveal-delay-1{transition-delay:.08s;}
.reveal-delay-2{transition-delay:.16s;}
.reveal-delay-3{transition-delay:.24s;}
.reveal-delay-4{transition-delay:.32s;}

/* ---------- Utilities ---------- */
.text-center{text-align:center;}
.mt-0{margin-top:0;}
.color-accent{color:var(--accent);}
.pill{
  display:inline-flex; align-items:center; gap:.4em; font-size:.75rem; font-weight:700; letter-spacing:.06em;
  text-transform:uppercase; background:rgba(20,194,212,.12); color:#0d8b98; padding:.35em .8em; border-radius:999px;
}

/* ---------- Responsive nav (mobile) ---------- */
@media (max-width:960px){
  .main-nav{
    position:fixed; inset:0 0 0 auto; top:0; height:100vh; width:min(360px,86vw); background:var(--navy-950);
    flex-direction:column; align-items:stretch; padding:5.2em 1.6em 2em; gap:0; transform:translateX(100%);
    transition:transform .35s ease; overflow-y:auto; border-left:1px solid rgba(255,255,255,.08);
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav > ul{flex-direction:column; align-items:stretch; gap:0;}
  .main-nav > ul > li{border-bottom:1px solid rgba(255,255,255,.08);}
  .main-nav a.nav-link{padding:1em .2em; justify-content:space-between; width:100%;}
  .dropdown{
    position:static; transform:none; opacity:1; visibility:visible; max-height:0; overflow:hidden; box-shadow:none;
    background:transparent; border:0; padding:0; transition:max-height .3s ease;
  }
  .has-dropdown.open .dropdown{max-height:600px; padding:.4em 0 .8em;}
  .nav-toggle{display:flex;}
  .nav-cta .btn{display:none;}
  .nav-scrim{
    position:fixed; inset:0; background:rgba(6,10,24,.6); opacity:0; visibility:hidden; transition:opacity .3s ease; z-index:998;
  }
  .nav-scrim.show{opacity:1; visibility:visible;}
}
@media (min-width:961px){ .nav-scrim{display:none;} }

@media (max-width:640px){
  .hero-stats{gap:1.4em;}
  .stats-strip{grid-template-columns:1fr 1fr;}
}