/* ============================================================
   HVAC AI — Landing System
   Dark premium · neon red + ice blue · scanner motif
   ============================================================ */

:root{
  /* base */
  --bg:        #07070b;
  --bg-2:      #0a0a10;
  --bg-3:      #0e0e15;
  --surface:   #131319;
  --surface-2: #181820;
  --line:      rgba(255,255,255,.08);
  --line-2:    rgba(255,255,255,.14);

  /* brand */
  --red:    #ff2d4f;
  --red-2:  #ff5a72;
  --red-dim:# b2122c;
  --ice:    #45c4ff;
  --ice-2:  #8fdcff;
  --ice-dim:#0c5b86;

  /* vault only */
  --gold:   #ffc24a;
  --purple: #b061ff;

  /* text */
  --text:  #f3f4f8;
  --muted: #99a0ad;
  --faint: #5c626f;

  /* type */
  --display: "Space Grotesk", system-ui, sans-serif;
  --body:    "Manrope", system-ui, sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, monospace;

  --maxw: 1240px;
  --radius: 22px;
  --radius-s: 14px;

  --glow-red: 0 0 30px rgba(255,45,79,.45);
  --glow-ice: 0 0 30px rgba(69,196,255,.40);
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  font-family:var(--body);
  background:var(--bg);
  color:var(--text);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  /* ambient page grid + glows */
  content:"";
  position:fixed; inset:0; z-index:-2; pointer-events:none;
  background:
    radial-gradient(800px 500px at 78% -5%, rgba(255,45,79,.16), transparent 60%),
    radial-gradient(720px 520px at 8% 22%, rgba(69,196,255,.10), transparent 60%),
    var(--bg);
}
body::after{
  content:"";
  position:fixed; inset:0; z-index:-1; pointer-events:none; opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.024) 1px, transparent 1px);
  background-size:54px 54px;
  mask-image:radial-gradient(circle at 50% 35%, #000 0%, transparent 80%);
}
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
section{ position:relative; }

/* ---------- layout ---------- */
.wrap{ width:100%; max-width:var(--maxw); margin:0 auto; padding:0 28px; }
.section{ padding:120px 0; }
.section-sm{ padding:88px 0; }

/* ---------- type ---------- */
h1,h2,h3,h4{ font-family:var(--display); font-weight:700; line-height:1.05; letter-spacing:-.02em; }
.eyebrow{
  font-family:var(--mono); font-size:12.5px; letter-spacing:.32em; text-transform:uppercase;
  color:var(--ice-2); display:inline-flex; align-items:center; gap:10px; margin-bottom:18px;
}
.eyebrow::before{ content:""; width:26px; height:1px; background:var(--ice); box-shadow:var(--glow-ice); }
.eyebrow.red{ color:var(--red-2); }
.eyebrow.red::before{ background:var(--red); box-shadow:var(--glow-red); }
.section-title{ font-size:clamp(30px,4.4vw,52px); max-width:16ch; }
.section-lead{ color:var(--muted); font-size:clamp(15px,1.5vw,18px); max-width:54ch; margin-top:20px; }
.grad-red{ background:linear-gradient(120deg,var(--red-2),var(--red)); -webkit-background-clip:text; background-clip:text; color:transparent; }
.grad-ice{ background:linear-gradient(120deg,var(--ice-2),var(--ice)); -webkit-background-clip:text; background-clip:text; color:transparent; }

/* ---------- scanner brackets ---------- */
.scan{ position:relative; }
.scan::before,.scan::after{
  content:""; position:absolute; width:26px; height:26px; pointer-events:none;
  border:2.5px solid var(--red); border-radius:3px;
}
.scan::before{ top:-7px; left:-7px; border-right:0; border-bottom:0; box-shadow:-2px -2px 14px rgba(255,45,79,.5); }
.scan::after{ bottom:-7px; right:-7px; border-left:0; border-top:0; box-shadow:2px 2px 14px rgba(255,45,79,.5); }
.scan.ice::before,.scan.ice::after{ border-color:var(--ice); box-shadow:0 0 14px rgba(69,196,255,.5); }

/* ---------- buttons ---------- */
.btn{
  font-family:var(--display); font-weight:600; font-size:15px;
  display:inline-flex; align-items:center; gap:10px; cursor:pointer;
  padding:14px 26px; border-radius:999px; border:0; color:#fff;
  transition:transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s, filter .25s;
  white-space:nowrap;
}
.btn svg{ width:18px; height:18px; }
.btn-red{
  background:linear-gradient(135deg,#ff3f5d,#e21338);
  box-shadow:0 8px 28px rgba(255,45,79,.4), inset 0 1px 0 rgba(255,255,255,.25);
}
.btn-red:hover{ transform:translateY(-3px); box-shadow:0 14px 40px rgba(255,45,79,.55), inset 0 1px 0 rgba(255,255,255,.3); filter:brightness(1.06); }
.btn-ghost{ background:rgba(255,255,255,.04); border:1px solid var(--line-2); color:var(--text); }
.btn-ghost:hover{ transform:translateY(-3px); border-color:var(--ice); box-shadow:var(--glow-ice); }
.btn-ice{ background:linear-gradient(135deg,#5ccbff,#2b8fd6); box-shadow:0 8px 28px rgba(69,196,255,.4), inset 0 1px 0 rgba(255,255,255,.3); }
.btn-ice:hover{ transform:translateY(-3px); filter:brightness(1.06); box-shadow:0 14px 40px rgba(69,196,255,.5); }
.btn-lg{ padding:17px 32px; font-size:16.5px; }

/* ---------- nav ---------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  transition:background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{ background:rgba(8,8,13,.78); backdrop-filter:blur(16px) saturate(140%); border-bottom-color:var(--line); }
.nav-inner{ display:flex; align-items:center; gap:24px; height:74px; }
.brand{ display:flex; align-items:center; gap:12px; font-family:var(--display); font-weight:700; font-size:20px; letter-spacing:-.01em; white-space:nowrap; }
.brand span{ display:inline-flex; gap:.32em; }
.brand img{ width:40px; height:40px; filter:drop-shadow(0 0 10px rgba(255,45,79,.5)); }
.brand b{ color:var(--red-2); font-weight:700; }
.nav-links{ display:flex; gap:6px; margin-left:auto; }
.nav-links a{ font-size:14px; color:var(--muted); padding:9px 14px; border-radius:10px; transition:color .2s, background .2s; font-weight:500; }
.nav-links a:hover{ color:var(--text); background:rgba(255,255,255,.05); }
.nav-actions{ display:flex; align-items:center; gap:14px; }
.lang{
  display:inline-flex; border:1px solid var(--line-2); border-radius:999px; overflow:hidden;
  font-family:var(--mono); font-size:12px; font-weight:600;
}
.lang button{ background:none; border:0; color:var(--muted); padding:7px 12px; cursor:pointer; transition:.2s; }
.lang button.on{ background:var(--red); color:#fff; }
.nav-burger{ display:none; background:none; border:1px solid var(--line-2); border-radius:10px; width:42px; height:38px; cursor:pointer; color:var(--text); }

/* ---------- HERO ---------- */
.hero{ padding:150px 0 90px; overflow:hidden; }
.hero-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:40px; align-items:center; }
.hero h1{ font-size:clamp(42px,6.4vw,82px); line-height:.98; }
.hero h1 .line2{ display:block; }
.hero-sub{ color:var(--muted); font-size:clamp(16px,1.7vw,19px); max-width:46ch; margin:26px 0 34px; }
.hero-cta{ display:flex; gap:14px; flex-wrap:wrap; align-items:center; }
.store-note{ font-family:var(--mono); font-size:12px; color:var(--faint); margin-top:18px; display:flex; gap:14px; flex-wrap:wrap; }
.store-note > span{ display:inline-flex; align-items:center; gap:7px; }
.dot-live{ width:8px; height:8px; border-radius:50%; background:#37e08f; box-shadow:0 0 10px #37e08f; }
.dot-soon{ width:8px; height:8px; border-radius:50%; background:var(--ice); box-shadow:var(--glow-ice); }

/* hero stage with phone + floating cards */
.hero-stage{ position:relative; display:flex; justify-content:center; align-items:center; min-height:560px; }
.float-card{
  position:absolute; z-index:5;
  display:flex; align-items:center; gap:11px;
  background:rgba(20,20,27,.82); backdrop-filter:blur(10px);
  border:1px solid var(--line-2); border-radius:14px; padding:11px 15px;
  font-size:13.5px; font-weight:600; font-family:var(--display);
  box-shadow:0 18px 40px rgba(0,0,0,.5);
  animation:floaty 6s ease-in-out infinite;
}
.float-card .ic{ width:30px; height:30px; border-radius:9px; display:grid; place-items:center; flex:0 0 auto; }
.float-card .ic svg{ width:17px; height:17px; }
.fc-red .ic{ background:rgba(255,45,79,.16); color:var(--red-2); box-shadow:inset 0 0 0 1px rgba(255,45,79,.4); }
.fc-ice .ic{ background:rgba(69,196,255,.16); color:var(--ice-2); box-shadow:inset 0 0 0 1px rgba(69,196,255,.4); }
.fc-gold .ic{ background:rgba(255,194,74,.16); color:var(--gold); box-shadow:inset 0 0 0 1px rgba(255,194,74,.4); }
.fc-1{ top:6%; left:-4%; animation-delay:0s; }
.fc-2{ top:24%; right:-8%; animation-delay:1.1s; }
.fc-3{ top:54%; left:-9%; animation-delay:.6s; }
.fc-4{ bottom:13%; right:-6%; animation-delay:1.8s; }
.fc-5{ bottom:-2%; left:14%; animation-delay:2.3s; }
@keyframes floaty{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-14px); } }

/* ---------- phone mockup ---------- */
.phone{
  position:relative; width:300px; aspect-ratio:9/19.2;
  background:#000; border-radius:42px; padding:11px;
  box-shadow:0 0 0 2px #232330, 0 40px 90px rgba(0,0,0,.7), 0 0 60px rgba(255,45,79,.18);
}
.phone::before{ /* speaker/punch hole */
  content:""; position:absolute; top:18px; left:50%; transform:translateX(-50%);
  width:11px; height:11px; border-radius:50%; background:#15151c; z-index:3;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.07);
}
.phone .screen{ width:100%; height:100%; border-radius:32px; overflow:hidden; position:relative; background:#000; }
.phone .screen img{ width:100%; height:100%; object-fit:cover; object-position:top center; }
.phone.glow-red{ box-shadow:0 0 0 2px #2a1116, 0 40px 90px rgba(0,0,0,.7), 0 0 70px rgba(255,45,79,.3); }
.phone.tilt{ transform:rotateY(-14deg) rotateX(4deg) rotate(-2deg); transform-style:preserve-3d; }
.hero-phone{ animation:floaty 7s ease-in-out infinite; }

/* ---------- generic card ---------- */
.card{
  background:linear-gradient(180deg, var(--surface), var(--bg-3));
  border:1px solid var(--line); border-radius:var(--radius);
  padding:26px; transition:transform .3s, border-color .3s, box-shadow .3s;
}
.card:hover{ transform:translateY(-5px); border-color:var(--line-2); box-shadow:0 20px 50px rgba(0,0,0,.45); }

/* ---------- feature split layout ---------- */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.split.rev .split-media{ order:2; }
.split-media{ display:flex; justify-content:center; position:relative; }

/* small spec chips */
.chips{ display:flex; flex-direction:column; gap:12px; margin-top:30px; }
.chip{
  display:flex; align-items:center; gap:14px; padding:14px 16px;
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-s);
  transition:transform .25s, border-color .25s;
}
.chip:hover{ transform:translateX(6px); border-color:var(--red); }
.chip .cic{ width:38px; height:38px; border-radius:10px; display:grid; place-items:center; flex:0 0 auto;
  background:rgba(255,45,79,.12); color:var(--red-2); box-shadow:inset 0 0 0 1px rgba(255,45,79,.3); }
.chip.ice .cic{ background:rgba(69,196,255,.12); color:var(--ice-2); box-shadow:inset 0 0 0 1px rgba(69,196,255,.3); }
.chip .cic svg{ width:20px; height:20px; }
.chip b{ font-family:var(--display); font-size:15px; display:block; }
.chip span{ font-size:13px; color:var(--muted); }

/* flow line accent (simulator) */
.flow-accent{ position:absolute; inset:0; pointer-events:none; z-index:-1; }
.flow-accent path{ fill:none; stroke-width:2.5; stroke-linecap:round; }
.flow-red{ stroke:var(--red); filter:drop-shadow(0 0 6px var(--red)); stroke-dasharray:10 16; animation:dash 1.4s linear infinite; }
.flow-ice{ stroke:var(--ice); filter:drop-shadow(0 0 6px var(--ice)); stroke-dasharray:10 16; animation:dash 1.6s linear infinite reverse; }
@keyframes dash{ to{ stroke-dashoffset:-52; } }

/* ---------- learning path ---------- */
.path-wrap{ position:relative; }
.path-line{ position:absolute; left:34px; top:30px; bottom:30px; width:3px;
  background:linear-gradient(var(--red),var(--ice)); border-radius:3px; opacity:.55; }
.path-node{ position:relative; display:flex; gap:22px; align-items:flex-start; padding:0 0 30px 0; }
.path-node:last-child{ padding-bottom:0; }
.node-dot{ width:70px; height:70px; flex:0 0 auto; border-radius:18px; display:grid; place-items:center;
  background:var(--surface); border:1px solid var(--line-2); position:relative; z-index:2; }
.node-dot svg{ width:30px; height:30px; }
.path-node.done .node-dot{ background:linear-gradient(135deg,#ff3f5d,#e21338); box-shadow:var(--glow-red); color:#fff; border:0; }
.path-node.active .node-dot{ box-shadow:0 0 0 4px rgba(69,196,255,.18), var(--glow-ice); border-color:var(--ice); color:var(--ice-2); }
.path-node.lock .node-dot{ color:var(--faint); }
.node-body{ padding-top:6px; }
.node-body h4{ font-size:18px; }
.node-body p{ color:var(--muted); font-size:14px; margin-top:5px; }
.node-tag{ font-family:var(--mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--ice-2); }
.path-node.done .node-tag{ color:#37e08f; }
.path-node.lock .node-tag{ color:var(--faint); }

.level-card{ background:linear-gradient(180deg,var(--surface),var(--bg-3)); border:1px solid var(--line); border-radius:var(--radius); padding:22px; }
.level-top{ display:flex; align-items:center; gap:14px; margin-bottom:16px; }
.lvl-ring{ width:54px; height:54px; flex:0 0 auto; border-radius:50%; display:grid; place-items:center;
  font-family:var(--display); font-weight:700; font-size:13px;
  background:conic-gradient(var(--red) 72%, rgba(255,255,255,.08) 0);
  position:relative; }
.lvl-ring::after{ content:""; position:absolute; inset:5px; border-radius:50%; background:var(--bg-3); }
.lvl-ring span{ position:relative; z-index:2; }
.stat-pill{ display:inline-flex; align-items:center; gap:7px; background:var(--surface-2); border:1px solid var(--line); border-radius:12px; padding:8px 13px; font-family:var(--display); font-weight:700; font-size:14px; }
.stat-row{ display:flex; gap:10px; flex-wrap:wrap; }
.bar{ height:8px; border-radius:8px; background:rgba(255,255,255,.07); overflow:hidden; margin-top:14px; }
.bar i{ display:block; height:100%; border-radius:8px; background:linear-gradient(90deg,var(--red),var(--red-2)); box-shadow:var(--glow-red); }

/* snowflake currency */
.flake{ color:var(--ice); }

/* ---------- services / pdf ---------- */
.tmpl-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:34px; }
.tmpl{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-s); padding:20px; transition:.3s; position:relative; overflow:hidden; }
.tmpl:hover{ transform:translateY(-5px); border-color:var(--red); box-shadow:0 18px 40px rgba(0,0,0,.5); }
.tmpl .stars{ color:var(--gold); font-size:13px; letter-spacing:1px; }
.tmpl h4{ font-size:16px; margin:12px 0 7px; }
.tmpl p{ color:var(--muted); font-size:13px; }
.tmpl .pdf-tag{ position:absolute; top:14px; right:14px; font-family:var(--mono); font-size:10px; letter-spacing:.08em; color:var(--ice-2); border:1px solid rgba(69,196,255,.3); border-radius:6px; padding:3px 7px; }

/* ---------- vault (gold/purple) ---------- */
.vault{ background:radial-gradient(900px 500px at 50% -10%, rgba(176,97,255,.14), transparent 60%),
   radial-gradient(700px 400px at 80% 90%, rgba(255,194,74,.10), transparent 60%); }
.packs{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:46px; }
.pack{ text-align:center; position:relative; }
.pack-card{ position:relative; border-radius:20px; padding:30px 18px 26px; border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(0,0,0,.2)); transition:.35s; overflow:hidden; }
.pack:hover .pack-card{ transform:translateY(-8px); }
.pack-visual{ width:118px; height:160px; margin:0 auto 20px; border-radius:14px; position:relative;
  display:grid; place-items:center; transition:.4s; }
.pack-visual svg{ width:50px; height:50px; color:#fff; position:relative; z-index:2; filter:drop-shadow(0 0 8px currentColor); }
.pack:hover .pack-visual{ transform:translateY(-6px) scale(1.04); }
.pack h3{ font-size:20px; margin-bottom:6px; letter-spacing:0; }
.pack .desc{ color:var(--muted); font-size:13px; line-height:1.7; min-height:66px; }
.pack .price{ margin-top:14px; font-family:var(--display); font-weight:700; font-size:20px; display:inline-flex; align-items:center; gap:8px; }
.pack.common .pack-card{ box-shadow:0 0 40px rgba(255,45,79,.10) inset; }
.pack.common .pack-visual{ background:radial-gradient(circle, rgba(255,45,79,.35), rgba(40,0,8,.6)); box-shadow:0 0 40px rgba(255,45,79,.4); color:var(--red); }
.pack.legend .pack-card{ border-color:rgba(255,194,74,.4); box-shadow:0 0 60px rgba(255,194,74,.18); transform:scale(1.04); }
.pack.legend:hover .pack-card{ transform:scale(1.04) translateY(-8px); }
.pack.legend .pack-visual{ background:radial-gradient(circle, rgba(255,194,74,.4), rgba(50,30,0,.6)); box-shadow:0 0 50px rgba(255,194,74,.5); color:var(--gold); }
.pack.rare .pack-visual{ background:radial-gradient(circle, rgba(176,97,255,.4), rgba(30,0,50,.6)); box-shadow:0 0 40px rgba(176,97,255,.45); color:var(--purple); }
.pack-badge{ position:absolute; top:14px; left:50%; transform:translateX(-50%); font-family:var(--mono); font-size:10px; letter-spacing:.18em; text-transform:uppercase; padding:4px 10px; border-radius:999px; }
.pack.legend .pack-badge{ background:rgba(255,194,74,.16); color:var(--gold); border:1px solid rgba(255,194,74,.4); }
.vault-sub{ display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:30px; }

/* ---------- AI tools grid ---------- */
.tools-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; margin-top:46px; }
.tool{ background:linear-gradient(180deg,var(--surface),var(--bg-3)); border:1px solid var(--line); border-radius:var(--radius-s);
  padding:24px; position:relative; overflow:hidden; transition:.3s; }
.tool::after{ content:""; position:absolute; inset:0; opacity:0; transition:.3s;
  background:radial-gradient(220px 140px at 70% 0%, rgba(255,45,79,.12), transparent 70%); }
.tool:hover{ transform:translateY(-6px); border-color:var(--line-2); }
.tool:hover::after{ opacity:1; }
.tool .tic{ width:46px; height:46px; border-radius:12px; display:grid; place-items:center; margin-bottom:16px;
  background:rgba(255,45,79,.12); color:var(--red-2); box-shadow:inset 0 0 0 1px rgba(255,45,79,.28); }
.tool.b .tic{ background:rgba(69,196,255,.12); color:var(--ice-2); box-shadow:inset 0 0 0 1px rgba(69,196,255,.28); }
.tool .tic svg{ width:24px; height:24px; }
.tool h4{ font-size:16px; margin-bottom:7px; }
.tool p{ color:var(--muted); font-size:13px; }
.soon{ position:absolute; top:16px; right:16px; font-family:var(--mono); font-size:9.5px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--ice-2); border:1px solid rgba(69,196,255,.35); border-radius:6px; padding:3px 7px; background:rgba(69,196,255,.06); }

/* ---------- comparison ---------- */
.compare{ display:grid; grid-template-columns:1fr 1fr; gap:22px; margin-top:46px; }
.comp-col{ border-radius:var(--radius); padding:34px; }
.comp-col.generic{ background:var(--bg-2); border:1px solid var(--line); }
.comp-col.ours{ background:linear-gradient(180deg, rgba(255,45,79,.08), var(--bg-3)); border:1px solid rgba(255,45,79,.3); box-shadow:0 0 50px rgba(255,45,79,.12); position:relative; }
.comp-col h3{ font-size:22px; margin-bottom:22px; display:flex; align-items:center; gap:12px; }
.comp-col ul{ list-style:none; display:flex; flex-direction:column; gap:14px; }
.comp-col li{ display:flex; align-items:center; gap:13px; font-size:15px; }
.comp-col li .ci{ width:24px; height:24px; flex:0 0 auto; border-radius:7px; display:grid; place-items:center; }
.generic li{ color:var(--muted); }
.generic .ci{ background:rgba(255,255,255,.05); color:var(--faint); }
.ours .ci{ background:rgba(255,45,79,.16); color:var(--red-2); }
.ours li{ color:var(--text); font-weight:500; }

/* ---------- final CTA ---------- */
.final{ text-align:center; padding:130px 0; position:relative; overflow:hidden; }
.final h2{ font-size:clamp(34px,5.4vw,66px); max-width:18ch; margin:0 auto; }
.final p{ color:var(--muted); font-size:clamp(16px,1.7vw,19px); max-width:50ch; margin:24px auto 38px; }
.final-cta{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.final-phones{ display:flex; justify-content:center; gap:-30px; margin-top:64px; perspective:1400px; }
.final-phones .phone{ width:218px; }
.final-phones .phone:nth-child(1){ transform:rotate(-8deg) translateY(20px); z-index:1; }
.final-phones .phone:nth-child(2){ transform:rotate(0deg) translateY(-12px); z-index:3; margin:0 -34px; }
.final-phones .phone:nth-child(3){ transform:rotate(8deg) translateY(20px); z-index:1; }

/* ---------- footer ---------- */
.footer{ border-top:1px solid var(--line); padding:72px 0 40px; background:var(--bg-2); }
.foot-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:40px; }
.foot-brand p{ color:var(--muted); font-size:14px; max-width:34ch; margin:16px 0 20px; }
.foot-col h5{ font-family:var(--mono); font-size:12px; letter-spacing:.18em; text-transform:uppercase; color:var(--faint); margin-bottom:16px; }
.foot-col a{ display:block; color:var(--muted); font-size:14px; padding:6px 0; transition:.2s; }
.foot-col a:hover{ color:var(--red-2); }
.foot-bottom{ display:flex; justify-content:space-between; align-items:center; gap:20px; flex-wrap:wrap;
  margin-top:54px; padding-top:26px; border-top:1px solid var(--line); color:var(--faint); font-size:13px; font-family:var(--mono); }
.social{ display:flex; gap:10px; }
.social a{ width:40px; height:40px; border-radius:11px; display:grid; place-items:center; background:var(--surface); border:1px solid var(--line); color:var(--muted); transition:.25s; }
.social a:hover{ color:var(--red-2); border-color:var(--red); transform:translateY(-3px); }
.social a svg{ width:18px; height:18px; }

/* ---------- reveal animation ---------- */
.reveal{ opacity:0; transform:translateY(34px); transition:opacity .8s cubic-bezier(.2,.8,.2,1), transform .8s cubic-bezier(.2,.8,.2,1); }
.reveal.in{ opacity:1; transform:none; }
.reveal.d1{ transition-delay:.08s; } .reveal.d2{ transition-delay:.16s; }
.reveal.d3{ transition-delay:.24s; } .reveal.d4{ transition-delay:.32s; }

/* en/es visibility — robust: hide wins over any custom display */
[data-en]{ display:none !important; }
.lang-en [data-es]{ display:none !important; }
.lang-en [data-en]{ display:revert !important; }

/* ---------- responsive ---------- */
@media (max-width:960px){
  .nav-links{ display:none; }
  .nav-burger{ display:grid; place-items:center; margin-left:auto; }
  .nav-actions .btn{ display:none; }
  .hero-grid, .split{ grid-template-columns:1fr; gap:48px; }
  .split.rev .split-media{ order:0; }
  .hero-stage{ min-height:520px; }
  .tmpl-grid{ grid-template-columns:1fr 1fr; }
  .tools-grid{ grid-template-columns:1fr 1fr; }
  .packs{ grid-template-columns:1fr; max-width:340px; margin-inline:auto; }
  .pack.legend .pack-card{ transform:none; }
  .vault-sub, .compare, .foot-grid{ grid-template-columns:1fr; }
  .final-phones{ display:none; }
}
@media (max-width:540px){
  .section{ padding:80px 0; }
  .wrap{ padding:0 18px; }
  .tmpl-grid, .tools-grid{ grid-template-columns:1fr; }
  .float-card{ font-size:12px; padding:9px 12px; }
  .fc-1{ left:0; } .fc-2{ right:0; } .fc-3{ left:0; } .fc-4{ right:0; }
}

/* nav mobile menu */
.mobile-menu{ position:fixed; inset:0; z-index:99; background:rgba(7,7,11,.97); backdrop-filter:blur(14px);
  display:none; flex-direction:column; padding:100px 28px 40px; gap:6px; }
.mobile-menu.open{ display:flex; }
.mobile-menu a{ font-family:var(--display); font-size:22px; padding:14px 0; border-bottom:1px solid var(--line); }
.mobile-menu .btn{ margin-top:24px; justify-content:center; }