/* ===================================================================
   SECTIONS.CSS — FractAIl Web · Secciones DJI-style con vida visual
   Topbar, hero, secciones full-viewport, cards, stats, grid, flow
   =================================================================== */

/* ===== TOPBAR ===== */
.topbar{
  position:fixed;top:0;left:0;right:0;height:52px;z-index:500;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 32px;background:transparent;
  backdrop-filter:blur(0);border-bottom:1px solid transparent;
  transition:all 400ms ease;
}
.topbar.scrolled{
  background:rgba(5,5,5,0.85);
  backdrop-filter:blur(30px);
  border-bottom-color:rgba(255,255,255,0.05);
}
.t-brand{cursor:pointer;display:flex;align-items:center}
.t-logo{height:22px;width:auto;transition:opacity .3s}
.t-brand:hover .t-logo{opacity:0.8}
.t-nav{display:flex;gap:36px}
.t-nav a{color:var(--dim);text-decoration:none;font-size:13px;font-weight:600;letter-spacing:.5px;transition:color .2s}
.t-nav a:hover{color:var(--text)}
.t-right{display:flex;align-items:center;gap:16px}
.t-clock{font-size:11px;color:var(--dim);font-family:'SF Mono',monospace}
.t-cta{
  padding:9px 22px;border-radius:999px;font-size:12px;font-weight:800;
  background:var(--neon);color:#050505;border:none;cursor:pointer;
  transition:transform .2s,box-shadow .2s;
}
.t-cta:hover{transform:scale(1.05);box-shadow:0 0 24px rgba(0,255,135,0.3)}

/* ===== HERO — 100vh cinematic ===== */
section{position:relative;z-index:1}

.hero{
  min-height:100vh;display:flex;flex-direction:column;
  justify-content:center;align-items:center;text-align:center;
  padding:120px 24px 80px;
  position:relative;
}
/* Hero radial glow behind logo */
.hero::before{
  content:'';position:absolute;
  width:900px;height:500px;
  top:50%;left:50%;transform:translate(-50%,-55%);
  background:radial-gradient(ellipse, rgba(0,255,135,0.06) 0%, rgba(0,186,255,0.03) 40%, transparent 70%);
  filter:blur(40px);
  pointer-events:none;z-index:-1;
}
.hero-eye{font-size:11px;letter-spacing:8px;color:var(--neon);text-transform:uppercase;margin-bottom:40px;font-weight:600}
/* Hero claim — the main statement */
.hero-claim{
  font-size:clamp(56px,12vw,150px);font-weight:900;
  letter-spacing:clamp(-3px,-0.03em,-1px);line-height:.95;
  margin-bottom:36px;
  position:relative;
  color:#FFFFFF;
  max-width:1000px;
}
.hero-sub{font-size:clamp(15px,1.6vw,18px);color:var(--dim);max-width:460px;line-height:1.8;margin-bottom:56px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}
.scroll-h{margin-top:80px;display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-h span{font-size:10px;letter-spacing:5px;color:rgba(255,255,255,0.15);text-transform:uppercase}
.scroll-line{width:1px;height:56px;background:linear-gradient(to bottom,transparent,rgba(0,255,135,0.35));animation:sp 2s ease-in-out infinite}
@keyframes sp{0%,100%{opacity:.2;transform:scaleY(.6)}50%{opacity:1;transform:scaleY(1)}}

/* ===== SECCIONES FULL VIEWPORT — narrativa DJI ===== */
.fs{
  min-height:100vh;display:flex;flex-direction:column;
  justify-content:center;align-items:center;text-align:center;
  padding:160px 24px;
  position:relative;
}
/* Gradient accent per section — adds depth */
.fs::before{
  content:'';position:absolute;
  width:600px;height:600px;border-radius:50%;
  top:50%;left:50%;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(99,102,241,0.04),transparent 70%);
  filter:blur(60px);pointer-events:none;
}
.fs-label{font-size:11px;letter-spacing:6px;color:var(--dim);text-transform:uppercase;margin-bottom:24px;font-weight:600}
.fs-title{
  font-size:clamp(36px,7vw,80px);font-weight:800;
  letter-spacing:clamp(-2px,-0.03em,-1px);line-height:1.05;
  max-width:900px;margin-bottom:28px;
}
.fs-title span{color:var(--neon)}
.fs-title .cy{color:var(--cyan)}
.fs-title .mo{color:var(--morado)}
.fs-p{font-size:clamp(15px,1.5vw,19px);color:var(--dim);max-width:560px;line-height:1.8;margin-bottom:48px}

/* ===== PRODUCT CARD — glass with glow border ===== */
.prod-card{
  max-width:960px;width:100%;
  background:var(--cardBg);
  border:1px solid var(--cardBorder);
  border-radius:24px;backdrop-filter:blur(16px);
  padding:clamp(40px,6vw,80px);text-align:left;
  position:relative;overflow:hidden;
  transition:border-color .4s,box-shadow .4s,transform .4s;
}
.prod-card:hover{
  border-color:rgba(0,255,135,0.2);
  box-shadow:0 0 80px rgba(0,255,135,0.06), 0 40px 80px rgba(0,0,0,0.4);
  transform:translateY(-4px);
}
/* Inner glow gradient */
.prod-card::before{
  content:'';position:absolute;
  top:-50%;right:-20%;
  width:70%;height:200%;
  background:radial-gradient(ellipse,rgba(0,255,135,0.03),transparent 60%);
  pointer-events:none;
  transition:opacity .4s;
  opacity:0;
}
.prod-card:hover::before{opacity:1}

.pc-tag{font-size:10px;font-weight:700;letter-spacing:3px;text-transform:uppercase;margin-bottom:20px;display:inline-block;padding:6px 16px;border-radius:999px}
.pc-name{font-size:clamp(40px,5.5vw,72px);font-weight:900;letter-spacing:-.03em;line-height:1;margin-bottom:16px}
.pc-desc{font-size:clamp(16px,1.8vw,20px);color:var(--dim);line-height:1.7;max-width:520px;margin-bottom:36px}
.pc-btn{
  padding:16px 40px;border-radius:999px;font-size:14px;font-weight:800;
  border:none;cursor:pointer;display:inline-flex;align-items:center;gap:8px;
  transition:transform .2s,box-shadow .2s;
}
.pc-btn:hover{transform:scale(1.05)}

/* ===== STATS ROW — with number glow ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;max-width:1000px;width:100%;margin-top:64px}
.stat{padding:48px 24px;text-align:center;position:relative}
.stat::after{
  content:'';position:absolute;top:50%;right:0;
  width:1px;height:40%;transform:translateY(-50%);
  background:linear-gradient(to bottom,transparent,rgba(255,255,255,0.06),transparent);
}
.stat:last-child::after{display:none}
.stat-n{
  font-size:clamp(48px,7vw,72px);font-weight:900;
  background:linear-gradient(135deg,var(--neon),var(--cyan));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  line-height:1;letter-spacing:-.03em;
}
.stat-l{font-size:12px;color:var(--dim);margin-top:12px;letter-spacing:.5px;line-height:1.5}

/* ===== GRID MINI APPS — enhanced cards ===== */
.apps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:960px;width:100%;margin-top:56px}
.app-card{
  background:var(--cardBg);border:1px solid var(--cardBorder);
  border-radius:18px;padding:32px;backdrop-filter:blur(12px);
  text-align:left;cursor:pointer;position:relative;overflow:hidden;
  transition:transform .4s cubic-bezier(.34,1.56,.64,1),border-color .3s,box-shadow .4s;
}
.app-card::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 30% 30%,rgba(255,255,255,0.02),transparent 60%);
  opacity:0;transition:opacity .3s;
}
.app-card:hover::before{opacity:1}
.app-card:hover{
  transform:translateY(-8px);
  box-shadow:0 24px 60px rgba(0,0,0,0.5);
  border-color:rgba(255,255,255,0.08);
}
.ac-icon{font-size:32px;margin-bottom:16px;transition:transform .3s,text-shadow .3s}
.app-card:hover .ac-icon{transform:scale(1.15);text-shadow:0 0 20px currentColor}
.ac-name{font-size:18px;font-weight:800;margin-bottom:8px;letter-spacing:-.01em}
.ac-desc{font-size:13px;color:rgba(255,255,255,0.5);line-height:1.65}
.ac-tag{display:inline-block;font-size:9px;font-weight:700;letter-spacing:2px;padding:4px 12px;border-radius:999px;margin-top:16px}

/* ===== COLORES SHOF ===== */
.shof-colors{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:48px;margin-bottom:48px}
.sc{
  display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,0.025);border:1px solid rgba(255,255,255,0.06);
  border-radius:12px;padding:14px 20px;
  transition:transform .25s cubic-bezier(.34,1.56,.64,1),border-color .2s,box-shadow .2s;
}
.sc:hover{
  transform:translateY(-4px) scale(1.03);
  border-color:rgba(255,255,255,0.12);
  box-shadow:0 12px 30px rgba(0,0,0,0.3);
}
.sc-dot{width:24px;height:24px;border-radius:8px;flex-shrink:0;transition:box-shadow .2s}
.sc:hover .sc-dot{box-shadow:0 0 16px currentColor}
.sc-label{font-size:13px;font-weight:700}
.sc-fn{font-size:11px;color:var(--dim);margin-top:2px}

/* ===== FLOW ===== */
.flow{display:flex;align-items:center;justify-content:center;gap:0;margin-top:56px;flex-wrap:wrap}
.flow-s{
  padding:20px 36px;border-radius:16px;font-size:15px;font-weight:700;
  white-space:nowrap;position:relative;
  transition:transform .25s cubic-bezier(.34,1.56,.64,1),box-shadow .25s;
}
.flow-s:hover{transform:scale(1.1);box-shadow:0 8px 30px rgba(0,0,0,0.3)}
.flow-a{
  color:rgba(0,255,135,0.25);font-size:22px;padding:0 16px;
  animation:flowPulse 2s ease-in-out infinite;
}
@keyframes flowPulse{0%,100%{opacity:0.3}50%{opacity:0.8}}

/* ===== CTA FINAL ===== */
.cta{padding:200px 24px;text-align:center;position:relative;z-index:1}
.cta::before{
  content:'';position:absolute;width:700px;height:700px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,255,135,0.07),rgba(0,186,255,0.03),transparent);
  top:50%;left:50%;transform:translate(-50%,-50%);filter:blur(80px);pointer-events:none;
}
.cta-t{
  font-size:clamp(44px,9vw,90px);font-weight:900;letter-spacing:-.03em;
  line-height:1;margin-bottom:24px;position:relative;z-index:1;
}
.cta-t span{
  background:linear-gradient(135deg,var(--neon),var(--cyan));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}

/* ===== FOOTER ===== */
footer{border-top:1px solid rgba(255,255,255,0.03);padding:56px 24px;text-align:center;position:relative;z-index:1}
.f-logo{font-size:14px;font-weight:900;letter-spacing:6px;color:rgba(255,255,255,0.1);margin-bottom:8px}
.f-tag{font-size:13px;color:rgba(255,255,255,0.15);margin-bottom:24px}
.f-links{display:flex;gap:28px;justify-content:center;flex-wrap:wrap;margin-bottom:24px}
.f-links a{color:var(--dim);text-decoration:none;font-size:13px;font-weight:600;transition:color .15s}
.f-links a:hover{color:var(--neon)}
.f-c{font-size:11px;color:rgba(255,255,255,0.08)}

/* ===== IMAGE BREAK SECTIONS — cinematic fullscreen photos ===== */
.img-break{
  min-height:70vh;
  position:relative;z-index:1;
  display:flex;justify-content:center;align-items:center;
  overflow:hidden;
}
.img-break-bg{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;object-position:center;
  z-index:0;
}
.img-break-overlay{
  position:absolute;inset:0;
  background:linear-gradient(
    to bottom,
    rgba(5,5,5,0.7) 0%,
    rgba(5,5,5,0.3) 40%,
    rgba(5,5,5,0.3) 60%,
    rgba(5,5,5,0.7) 100%
  );
  z-index:1;
}
.img-break-text{
  position:relative;z-index:2;
  text-align:center;
  padding:40px;
}
.img-break-text span{
  display:block;
  font-size:11px;letter-spacing:6px;
  color:rgba(255,255,255,0.5);text-transform:uppercase;
  margin-bottom:16px;font-weight:600;
}
.img-break-text strong{
  display:block;
  font-size:clamp(40px,8vw,90px);font-weight:900;
  letter-spacing:-.03em;line-height:1;
  color:#fff;
  text-shadow:0 4px 60px rgba(0,0,0,0.5);
}

/* ===== LOGIN SYSTEM ===== */
.login-wrapper{position:relative}
.login-btn{
  display:flex;align-items:center;gap:8px;
  padding:8px 18px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.5px;
  background:transparent;color:var(--text);
  border:1px solid rgba(255,255,255,0.12);
  cursor:pointer;transition:all .25s;
  white-space:nowrap;
}
.login-btn:hover{border-color:rgba(0,255,135,0.3);background:rgba(0,255,135,0.05)}
.login-btn.logged-in{border-color:rgba(0,255,135,0.3);color:#00FF87}
.login-dropdown{
  position:absolute;top:calc(100% + 12px);right:0;
  width:300px;padding:20px;
  background:rgba(10,10,18,0.95);
  backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:16px;
  box-shadow:0 20px 60px rgba(0,0,0,0.6);
  opacity:0;visibility:hidden;
  transform:translateY(-8px);
  transition:all .3s cubic-bezier(0.34,1.56,0.64,1);
  z-index:9999;
}
.login-dropdown.show{opacity:1;visibility:visible;transform:translateY(0)}
.login-dd-title{font-size:14px;font-weight:800;margin-bottom:16px;color:#fff}
.login-input{
  width:100%;padding:10px 14px;margin-bottom:10px;
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:10px;color:#fff;font-size:13px;
  outline:none;transition:border-color .2s;
}
.login-input:focus{border-color:rgba(0,255,135,0.4)}
.login-input::placeholder{color:#555}
.login-submit{
  width:100%;padding:11px;border:none;border-radius:10px;
  background:#00FF87;color:#050505;font-size:13px;font-weight:800;
  cursor:pointer;transition:all .2s;margin-top:4px;
}
.login-submit:hover{transform:scale(1.02);box-shadow:0 0 20px rgba(0,255,135,0.3)}
.login-error{color:#FF4545;font-size:12px;margin-top:8px;min-height:16px}
.login-dd-divider{
  display:flex;align-items:center;gap:12px;margin:16px 0;
  color:#555;font-size:11px;font-weight:600;
}
.login-dd-divider::before,.login-dd-divider::after{content:'';flex:1;height:1px;background:rgba(255,255,255,0.06)}
.login-methods{display:flex;flex-direction:column;gap:6px}
.login-method{
  display:flex;align-items:center;gap:10px;
  width:100%;padding:9px 14px;
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.06);
  border-radius:10px;color:#aaa;font-size:12px;font-weight:600;
  cursor:pointer;transition:all .2s;
}
.login-method:hover{background:rgba(255,255,255,0.08);color:#fff;border-color:rgba(255,255,255,0.12)}
.login-reserve-link{
  display:block;text-align:center;margin-top:16px;
  color:#00BAFF;font-size:11px;font-weight:600;
  text-decoration:none;transition:color .2s;
}
.login-reserve-link:hover{color:#00FF87}
.login-user-info{
  display:flex;align-items:center;gap:12px;
  padding:12px;margin-bottom:16px;
  background:rgba(255,255,255,0.04);
  border-radius:12px;
}
.login-avatar{
  width:36px;height:36px;border-radius:50%;
  background:linear-gradient(135deg,#6366f1,#00FF87);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:16px;color:#fff;
}
.login-toast{
  position:fixed;bottom:80px;left:50%;transform:translateX(-50%) translateY(20px);
  padding:12px 24px;border-radius:12px;
  background:rgba(10,10,18,0.95);
  backdrop-filter:blur(20px);
  border:1px solid rgba(255,255,255,0.08);
  color:#fff;font-size:13px;font-weight:600;
  opacity:0;transition:all .3s;z-index:10000;
  pointer-events:none;
}
.login-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ===== RESPONSIVE SECTIONS ===== */
@media(max-width:900px){
  .t-nav{display:none}
  .t-clock{display:none}
  .apps-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .login-dropdown{right:-20px;width:280px}
}
@media(max-width:600px){
  .apps-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .hero-btns .btn{padding:14px 28px;font-size:14px}
  .flow{flex-direction:column;gap:8px}
  .flow-a{transform:rotate(90deg);padding:4px}
  .t-cta{display:none}
  .login-btn span{display:none}
  .login-dropdown{right:-60px;width:260px}
}