/* ============================================================
   ProjectFlow — Sistema de diseño (projectflow.es)
   Tema oscuro · azul Atlassian + cian · tipografía sistema
   ============================================================ */
:root {
  --bg: #0a0e17; --bg2: #101623; --card: #151d2e; --line: #232d42;
  --tx: #e8edf6; --tx2: #9aa7bd; --mut: #6b7891;
  --blue: #0052CC; --blue2: #3584E4; --cyan: #00CFE0;
  --green: #35c46a; --orange: #ffab4c; --red: #ff6b6b; --purple: #7c6cf0;
  --grad: linear-gradient(90deg, var(--blue2), var(--cyan));
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,sans-serif; background:var(--bg); color:var(--tx); line-height:1.65; overflow-x:hidden; -webkit-font-smoothing:antialiased; }
img { max-width:100%; }
a { color:inherit; }

.wrap { max-width:1120px; margin:0 auto; padding:0 24px; }
section { padding:84px 0; position:relative; }
.band { background:var(--bg2); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }

/* ---------- Tipografía de sección ---------- */
.kicker { display:inline-block; font-size:12.5px; font-weight:700; letter-spacing:.14em; text-transform:uppercase; color:var(--cyan); margin-bottom:14px; }
h2.sec { font-size:clamp(26px,3.6vw,38px); font-weight:800; letter-spacing:-.5px; line-height:1.15; margin-bottom:14px; }
p.sub { color:var(--tx2); font-size:16.5px; max-width:660px; margin-bottom:40px; }
.grad-text { background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }

/* ---------- NAV ---------- */
nav { position:sticky; top:0; z-index:100; background:rgba(10,14,23,.86); backdrop-filter:blur(14px); border-bottom:1px solid var(--line); }
.nav-in { display:flex; align-items:center; gap:24px; height:64px; max-width:1120px; margin:0 auto; padding:0 24px; }
.logo { font-weight:800; font-size:17.5px; color:#fff; text-decoration:none; display:flex; align-items:center; gap:10px; white-space:nowrap; }
.logo img { width:30px; height:30px; border-radius:8px; object-fit:cover; }
.nav-links { display:flex; gap:24px; margin-left:auto; align-items:center; }
.nav-links a { color:var(--tx2); text-decoration:none; font-size:14px; font-weight:500; transition:color .15s; }
.nav-links a:hover, .nav-links a.active { color:#fff; }
.burger { display:none; margin-left:auto; background:none; border:1px solid var(--line); border-radius:8px; width:40px; height:38px; cursor:pointer; font-size:17px; color:var(--tx); }

/* ---------- Botones ---------- */
.btn { display:inline-block; padding:12px 26px; border-radius:10px; font-size:15px; font-weight:600; text-decoration:none; cursor:pointer; border:none; transition:.18s; line-height:1.3; }
.btn-pri { background:linear-gradient(135deg,#0052CC,#0091EA); color:#fff; box-shadow:0 4px 22px rgba(0,82,204,.42); }
.btn-pri:hover { transform:translateY(-2px); box-shadow:0 8px 30px rgba(0,82,204,.6); }
.btn-ghost { background:transparent; color:var(--tx2); border:1px solid var(--line); }
.btn-ghost:hover { color:#fff; border-color:var(--mut); transform:translateY(-1px); }
.btn-cyan { background:linear-gradient(135deg,#0891b2,var(--cyan)); color:#04121a; box-shadow:0 4px 22px rgba(0,207,224,.35); font-weight:700; }
.btn-cyan:hover { transform:translateY(-2px); box-shadow:0 8px 30px rgba(0,207,224,.5); }
.btn-lg { padding:16px 34px; font-size:16.5px; border-radius:12px; }

/* ---------- HERO ---------- */
.hero { padding:92px 0 80px; text-align:center; position:relative; overflow:hidden; }
.hero::before { content:''; position:absolute; inset:-140px 0 auto 0; height:560px; background:radial-gradient(ellipse 62% 55% at 50% 0%, rgba(76,141,255,.18), transparent 70%); pointer-events:none; }
.hero::after { content:''; position:absolute; inset:auto -20% auto auto; width:520px; height:520px; background:radial-gradient(circle, rgba(0,207,224,.10), transparent 65%); pointer-events:none; }
.pill { display:inline-flex; align-items:center; gap:9px; padding:7px 18px; border-radius:99px; background:rgba(76,141,255,.1); border:1px solid rgba(76,141,255,.32); color:#6FB1FF; font-size:13px; font-weight:600; margin-bottom:28px; }
.pill .dot { width:7px; height:7px; border-radius:50%; background:var(--green); box-shadow:0 0 9px var(--green); animation:pulse 2.2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.45} }
.hero h1 { font-size:clamp(36px,6vw,60px); font-weight:800; letter-spacing:-1.4px; line-height:1.1; margin-bottom:22px; position:relative; }
.hero p.lead { font-size:18.5px; color:var(--tx2); max-width:680px; margin:0 auto 36px; position:relative; }
.hero-cta { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-bottom:64px; position:relative; }

/* ---------- Shot frame ---------- */
.shot { border-radius:16px; overflow:hidden; border:1px solid var(--line); box-shadow:0 30px 80px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.04) inset; background:#fff; position:relative; }
.shot img { display:block; width:100%; height:auto; }
.shot-cap { text-align:center; color:var(--mut); font-size:13.5px; margin-top:16px; max-width:720px; margin-left:auto; margin-right:auto; }

/* ---------- Stats ---------- */
.stats { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.stat { text-align:center; padding:30px 14px; background:var(--card); border:1px solid var(--line); border-radius:15px; transition:.2s; }
.stat:hover { transform:translateY(-3px); border-color:rgba(76,141,255,.5); }
.stat .n { font-size:30px; font-weight:800; letter-spacing:-.5px; }
.stat .l { color:var(--mut); font-size:12.5px; margin-top:6px; font-weight:600; text-transform:uppercase; letter-spacing:.7px; line-height:1.45; }

/* ---------- Feature rows (alternadas) ---------- */
.feat-row { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; margin-bottom:88px; }
.feat-row:last-child { margin-bottom:0; }
.feat-row.rev .feat-txt { order:2; }
.feat-ico { width:48px; height:48px; border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:23px; margin-bottom:20px; background:rgba(76,141,255,.12); border:1px solid rgba(76,141,255,.3); }
.feat-txt h3 { font-size:25px; font-weight:800; margin-bottom:14px; letter-spacing:-.4px; line-height:1.25; }
.feat-txt p { color:var(--tx2); font-size:15.5px; margin-bottom:18px; }
.chips { display:flex; flex-wrap:wrap; gap:9px; }
.chip { padding:6px 14px; border-radius:99px; font-size:13px; font-weight:600; background:var(--card); border:1px solid var(--line); color:var(--tx2); }

/* ---------- Grid de tarjetas ---------- */
.grid3 { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.grid4 { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.gcard { background:var(--card); border:1px solid var(--line); border-radius:15px; padding:26px; transition:.2s; text-decoration:none; color:inherit; display:block; }
a.gcard:hover, .gcard:hover { transform:translateY(-4px); border-color:rgba(76,141,255,.55); box-shadow:0 14px 40px rgba(0,0,0,.35); }
.gcard .gi { font-size:26px; margin-bottom:14px; display:inline-block; width:48px; height:48px; border-radius:12px; background:rgba(76,141,255,.1); border:1px solid rgba(76,141,255,.25); text-align:center; line-height:48px; }
.gcard h4 { font-size:16.5px; font-weight:700; margin-bottom:8px; }
.gcard p { color:var(--tx2); font-size:14px; line-height:1.55; }

/* ---------- CTA box ---------- */
.cta-box { text-align:center; background:linear-gradient(160deg, rgba(76,141,255,.13), rgba(0,207,224,.07)); border:1px solid rgba(76,141,255,.32); border-radius:22px; padding:72px 34px; position:relative; overflow:hidden; }
.cta-box::before { content:''; position:absolute; inset:-80px auto -80px -120px; width:420px; height:420px; background:radial-gradient(circle, rgba(0,207,224,.14), transparent 65%); pointer-events:none; }
.cta-box h2 { font-size:clamp(28px,3.6vw,38px); font-weight:800; letter-spacing:-.6px; margin-bottom:16px; position:relative; }
.cta-box p { color:var(--tx2); max-width:560px; margin:0 auto 34px; font-size:16.5px; position:relative; }
.cta-actions { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; position:relative; }
.email-line { margin-top:26px; color:var(--mut); font-size:14px; position:relative; }
.email-line a { color:#6FB1FF; text-decoration:none; font-weight:600; }

/* ---------- Footer ---------- */
footer { border-top:1px solid var(--line); padding:44px 0 34px; background:var(--bg2); }
.foot-in { display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap; max-width:1120px; margin:0 auto; padding:0 24px; }
.foot-brand { display:flex; align-items:center; gap:10px; font-weight:800; color:#fff; font-size:16px; }
.foot-brand img { width:28px; height:28px; border-radius:7px; object-fit:cover; }
.foot-links { display:flex; gap:20px; flex-wrap:wrap; }
.foot-links a { color:var(--tx2); text-decoration:none; font-size:13.5px; }
.foot-links a:hover { color:#fff; }
.foot-meta { width:100%; display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap; margin-top:26px; padding-top:22px; border-top:1px solid var(--line); color:var(--mut); font-size:13px; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity:0; transform:translateY(26px); 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; } html{scroll-behavior:auto} }

/* ---------- Formularios ---------- */
.form-card { background:var(--card); border:1px solid var(--line); border-radius:20px; padding:36px; max-width:640px; margin:0 auto; }
.frow { display:flex; gap:14px; }
.frow > div { flex:1; }
.flabel { font-size:13px; font-weight:600; color:var(--tx2); margin-bottom:7px; display:block; }
.fin, .ftext { width:100%; background:var(--bg); border:1px solid var(--line); border-radius:10px; padding:13px 15px; color:var(--tx); font-size:15px; font-family:inherit; outline:none; transition:border .15s; }
.fin:focus, .ftext:focus { border-color:var(--blue2); }
.ftext { min-height:120px; resize:vertical; }
.fgroup { margin-bottom:18px; }

/* ---------- FAQ ---------- */
.faq-item { background:var(--card); border:1px solid var(--line); border-radius:14px; padding:22px 26px; margin-bottom:14px; }
.faq-item h4 { font-size:16.5px; font-weight:700; margin-bottom:8px; display:flex; gap:10px; align-items:flex-start; }
.faq-item p { color:var(--tx2); font-size:14.5px; }

/* ---------- NAS / infra callout ---------- */
.nas-box { background:linear-gradient(160deg, rgba(53,196,106,.08), rgba(76,141,255,.06)); border:1px solid rgba(53,196,106,.35); border-radius:18px; padding:34px; }
.nas-box h3 { font-size:21px; font-weight:800; margin-bottom:12px; display:flex; align-items:center; gap:12px; }
.nas-specs { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin-top:22px; }
.nas-spec { background:rgba(10,14,23,.5); border:1px solid var(--line); border-radius:12px; padding:16px 18px; }
.nas-spec .v { font-size:19px; font-weight:800; color:var(--green); }
.nas-spec .k { font-size:12.5px; color:var(--mut); margin-top:3px; font-weight:600; text-transform:uppercase; letter-spacing:.5px; }

/* ---------- Page hero (interior) ---------- */
.page-hero { padding:78px 0 64px; text-align:center; position:relative; overflow:hidden; }
.page-hero::before { content:''; position:absolute; inset:-120px 0 auto 0; height:460px; background:radial-gradient(ellipse 60% 55% at 50% 0%, rgba(76,141,255,.16), transparent 70%); pointer-events:none; }
.page-hero h1 { font-size:clamp(32px,5vw,50px); font-weight:800; letter-spacing:-1.2px; line-height:1.12; margin-bottom:18px; position:relative; }
.page-hero p { font-size:17.5px; color:var(--tx2); max-width:640px; margin:0 auto 30px; position:relative; }

/* ---------- Responsive ---------- */
@media (max-width:900px) {
  .feat-row { grid-template-columns:1fr; gap:30px; margin-bottom:60px; }
  .feat-row.rev .feat-txt { order:0; }
  .stats, .grid4 { grid-template-columns:repeat(2,1fr); }
  .grid3 { grid-template-columns:1fr 1fr; }
  section { padding:58px 0; }
}
@media (max-width:640px) {
  .nav-links { display:none; position:absolute; top:64px; left:0; right:0; background:var(--bg2); border-bottom:1px solid var(--line); flex-direction:column; padding:18px 24px; gap:16px; align-items:flex-start; }
  .nav-links.open { display:flex; }
  .burger { display:block; }
  .grid3, .grid4, .nas-specs { grid-template-columns:1fr; }
  .frow { flex-direction:column; gap:0; }
  .hero-cta .btn, .cta-actions .btn { width:100%; text-align:center; }
}