/* ═══════════════════════════════════════════
   PillarX Landing — styles.css
   ═══════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --violet:  #614DEF;
  --violet2: #7B6BF2;
  --green:   #47D17F;
  --orange:  #F4530C;
  --black:   #060611;
  --white:   #EFEFEF;
  --muted:   rgba(239,239,239,0.45);
  --font:       'Jost', sans-serif;
  --font-serif: 'Poppins', sans-serif;
}

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--black);
  color: var(--white);
  font-family: var(--font);
}

/* ── BLOBS ── */
.blobs { position:fixed; inset:0; pointer-events:none; z-index:0; overflow:hidden; }
.blob {
  position:absolute; border-radius:50%;
  filter:blur(110px); animation:drift 14s ease-in-out infinite;
}
.b1{width:580px;height:580px;background:var(--violet);top:-180px;right:-80px;opacity:.38;}
.b2{width:380px;height:380px;background:#F48CF1;top:35%;left:-140px;opacity:.18;animation-delay:-5s;}
.b3{width:280px;height:280px;background:var(--orange);bottom:5%;right:8%;opacity:.22;animation-delay:-9s;}
.b4{width:220px;height:220px;background:var(--green);top:55%;left:38%;opacity:.14;animation-delay:-3s;}
@keyframes drift{
  0%,100%{transform:translate(0,0) scale(1);}
  33%{transform:translate(28px,-36px) scale(1.04);}
  66%{transform:translate(-18px,22px) scale(.97);}
}

/* ── LAYOUT ── */
.page {
  position:relative; z-index:1;
  display:grid; grid-template-rows:64px 1fr 52px;
  width:100%; height:100vh; height:100dvh;
}

/* ── HEADER ── */
header {
  display:flex; align-items:center; padding:0 40px;
  border-bottom:1px solid rgba(97,77,239,.15);
  backdrop-filter:blur(10px); background:rgba(6,6,17,.35);
}
.brand { display:flex; align-items:center; gap:14px; text-decoration:none; }

/* [PX] brand mark */
.brand-mark {
  display:flex; align-items:center;
  background:rgba(97,77,239,.22); border:1.5px solid var(--violet);
  padding:6px 10px; border-radius:6px; flex-shrink:0;
}

.brand-divider { width:1px; height:22px; background:rgba(255,255,255,.15); flex-shrink:0; }
.brand-tagline { font-size:13px; font-weight:700; line-height:1.3; white-space:nowrap; }
.brand-tagline .t1 { color:var(--white); display:block; }
.brand-tagline .t2 { color:var(--green); display:block; }

/* ── HERO ── */
.hero { display:flex; align-items:center; justify-content:center; padding:24px; }

/* ── BILLBOARD ── */
.billboard {
  position:relative; width:100%; max-width:780px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(97,77,239,.28); border-radius:28px;
  overflow:hidden;
  box-shadow:0 0 0 1px rgba(97,77,239,.08),0 32px 80px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.06);
  height:min(480px, calc(100dvh - 64px - 52px - 48px));
}
.billboard::before {
  content:''; position:absolute; top:0;left:0;right:0; height:2px;
  background:linear-gradient(90deg,transparent,var(--violet),var(--green),transparent);
  z-index:2;
}

/* ── SLIDES ── */
.slides { position:relative; width:100%; height:100%; }
.slide {
  position:absolute; inset:0;
  display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  padding:40px 56px;
  opacity:0; transform:translateX(60px);
  transition:opacity .4s ease, transform .4s ease;
  pointer-events:none;
}
.slide.active { opacity:1; transform:translateX(0); pointer-events:all; }
.slide.exit-left  { opacity:0; transform:translateX(-60px); }
.slide.exit-right { opacity:0; transform:translateX(60px); }

/* ── WELCOME SLIDE ── */
.slide-welcome { text-align:center; gap:16px; }
.welcome-badge {
  display:inline-flex; align-items:center; gap:7px;
  font-size:11px; font-weight:600; letter-spacing:2.5px; text-transform:uppercase;
  color:var(--green); border:1px solid rgba(71,209,127,.3);
  padding:6px 16px; border-radius:100px; margin-bottom:4px;
}
.welcome-badge::before {
  content:''; width:5px;height:5px;border-radius:50%;
  background:var(--green); animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}

/* "Welcome to" line — identidad, se queda en Jost */
.welcome-to {
  font-family: var(--font);
  font-size: clamp(28px, 5vw, 56px);
  font-weight: 900;
  color: var(--white);
  letter-spacing: -1.5px;
  line-height: 1;
  margin-bottom: -4px;
}

/* Párrafo editorial — voz humana, DM Serif Display */
.welcome-sub {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 400;
  font-style: italic;
  line-height: 1.7;
  color: var(--white);
  max-width: 420px;
  margin-top: 4px;
  text-align: center;
}
.welcome-sub .sub-muted {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--muted);
  font-size: 14px;
}

.start-hint {
  display:flex; align-items:center; gap:8px; margin-top:8px;
  font-size:12px; font-weight:600; letter-spacing:1.5px; text-transform:uppercase;
  color:var(--muted); animation:bounce-right 1.8s ease-in-out infinite;
}
@keyframes bounce-right{0%,100%{transform:translateX(0)}50%{transform:translateX(6px)}}

/* ── QUESTION SLIDES ── */
.slide-question { gap:12px; width:100%; }
.q-step {
  font-size:10px; font-weight:700; letter-spacing:3px; text-transform:uppercase;
  color:var(--violet2); margin-bottom:4px; align-self:flex-start;
}
.q-label {
  font-size:clamp(20px,3.5vw,30px); font-weight:800;
  line-height:1.15; letter-spacing:-.8px;
  color:var(--white); align-self:flex-start;
}
.q-optional {
  font-size:11px; font-weight:500; letter-spacing:1px; text-transform:uppercase;
  color:var(--muted); align-self:flex-start; margin-top:-4px;
}
.q-required-note {
  font-size:11px; font-weight:600; letter-spacing:1px; text-transform:uppercase;
  color:var(--orange); align-self:flex-start; margin-top:-4px;
}
.q-sub {
  font-size:13px; color:var(--muted); line-height:1.55;
  align-self:flex-start; margin-top:-4px;
}
.q-input {
  width:100%; margin-top:8px;
  font-family:var(--font); font-size:16px; font-weight:500; color:var(--white);
  background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12);
  border-radius:14px; padding:14px 18px; outline:none; transition:all .25s;
}
.q-input::placeholder { color:rgba(239,239,239,.22); }
.q-input:focus {
  border-color:var(--violet); background:rgba(97,77,239,.09);
  box-shadow:0 0 0 3px rgba(97,77,239,.18);
}
.q-input.error { border-color:var(--orange); box-shadow:0 0 0 3px rgba(244,83,12,.15); }
.q-error-msg {
  font-size:12px; font-weight:500; color:var(--orange);
  align-self:flex-start; margin-top:-4px; min-height:16px;
  opacity:0; transition:opacity .2s;
}
.q-error-msg.visible { opacity:1; }

/* ── NAV ARROWS ── */
.nav-arrows {
  position:absolute; bottom:28px; left:0; right:0;
  display:flex; align-items:center; justify-content:space-between;
  padding:0 40px; pointer-events:none;
}
.arrow-btn {
  pointer-events:all; width:44px; height:44px; border-radius:50%;
  border:1px solid rgba(255,255,255,.14); background:rgba(255,255,255,.05);
  color:var(--white); cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  transition:all .25s; backdrop-filter:blur(8px);
}
.arrow-btn:hover:not(:disabled) {
  background:var(--violet); border-color:var(--violet); transform:scale(1.08);
}
.arrow-btn:disabled { opacity:.2; cursor:default; }
.arrow-btn svg { width:18px; height:18px; }

.progress-dots { display:flex; gap:6px; align-items:center; }
.dot { width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.2);transition:all .3s; }
.dot.active { background:var(--violet); width:20px; border-radius:3px; }
.dot.done   { background:var(--green); }

/* ── SUBMIT ── */
.submit-btn {
  font-family:var(--font); font-size:16px; font-weight:700;
  color:var(--black); background:var(--green);
  border:none; padding:16px 48px; border-radius:100px;
  cursor:pointer; margin-top:12px; width:100%;
  display:flex; align-items:center; justify-content:center; gap:10px;
  transition:all .3s;
}
.submit-btn:hover { background:#35C46E; transform:translateY(-2px); box-shadow:0 14px 40px rgba(71,209,127,.35); }
.submit-btn:disabled { opacity:.6; cursor:default; transform:none; }

/* ── SUCCESS ── */
.slide-success { gap:16px; text-align:center; }
.success-icon {
  width:64px;height:64px;border-radius:50%;
  background:rgba(71,209,127,.1); border:1px solid rgba(71,209,127,.35);
  display:flex;align-items:center;justify-content:center;font-size:28px;
}
/* "You're in." — voz de cierre, DM Serif Display */
.slide-success h2 {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.5px;
}
.slide-success p  { font-size:15px; color:var(--muted); max-width:380px; line-height:1.7; }

/* ── FOOTER ── */
footer {
  display:flex; align-items:center; justify-content:space-between; padding:0 40px;
  border-top:1px solid rgba(97,77,239,.12);
  background:rgba(6,6,17,.35); backdrop-filter:blur(10px);
}
.footer-logo { display:flex; align-items:center; }
footer small { font-size:11px; color:rgba(239,239,239,.25); letter-spacing:.3px; }

/* ════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════ */

/* ── TABLET AMPLIO: cubre iPad Air (820px), Surface Pro, etc. ── */
@media (max-width: 900px) {
  .page { grid-template-rows:56px 1fr 48px; }
  header { padding:0 24px; }
  .billboard {
    height:min(520px, calc(100dvh - 56px - 48px - 32px));
    border-radius:20px;
  }
  .slide { padding:32px 36px; }
  .nav-arrows { padding:0 28px; bottom:20px; }
  footer { padding:0 24px; }
}

/* ── TABLET ESTRECHO / SURFACE DUO: 540-768px ── */
@media (max-width: 768px) {
  .page { grid-template-rows:56px 1fr 48px; }
  header { padding:0 24px; }
  .billboard {
    height:min(520px, calc(100dvh - 56px - 48px - 32px));
    border-radius:20px;
  }
  .slide { padding:28px 32px; }
  .nav-arrows { padding:0 24px; bottom:20px; }
  footer { padding:0 24px; }
}

/* ── RANGO INTERMEDIO: 481-600px (Surface Duo, phones landscape) ── */
@media (max-width: 600px) {
  .page { grid-template-rows:52px 1fr 44px; }
  header { padding:0 16px; }
  .brand-tagline { font-size:11px; }
  .hero { padding:12px; }
  .billboard {
    border-radius:16px;
    height:calc(100dvh - 52px - 44px - 24px);
  }
  .slide { padding:24px 28px 72px; }
  .welcome-sub { font-size:15px; }
  .nav-arrows { padding:0 20px; bottom:16px; }
  .arrow-btn { width:44px; height:44px; }
  footer { padding:0 16px; }
  footer small { font-size:10px; }
  .submit-btn { font-size:15px; padding:14px 32px; }
}

/* ── MOBILE: ≤480px — todos los phones ── */
@media (max-width: 480px) {
  .page { grid-template-rows:52px 1fr 44px; }
  header { padding:0 16px; }

  /* Tagline visible pero compacto — era el bug principal */
  .brand-tagline {
    font-size:10px;
    line-height:1.2;
  }
  .brand-mark svg { height:22px; }

  .hero { padding:10px; }
  .billboard {
    border-radius:16px;
    height:calc(100dvh - 52px - 44px - 20px);
  }
  .slide { padding:24px 20px 72px; }
  .welcome-to { font-size:clamp(18px, 5vw, 26px); }
  .welcome-sub { font-size:14px; }
  .welcome-logotype svg { height:56px; }
  .q-label { font-size:clamp(18px,5vw,24px); }
  .q-input { font-size:16px !important; padding:13px 16px; }
  .nav-arrows { padding:0 20px; bottom:16px; }
  .arrow-btn { width:44px; height:44px; }
  footer { padding:0 16px; }
  footer small { font-size:10px; }
  .submit-btn { font-size:15px; padding:14px 32px; }
}

/* ── MOBILE MUY ESTRECHO: Galaxy Z Fold 5 (344px) ── */
@media (max-width: 360px) {
  header { padding:0 12px; }
  .brand-mark { padding:5px 8px; }
  .brand-mark svg { height:20px; }
  .brand-tagline { font-size:9px; }
  .brand-divider { display:none; }
  .slide { padding:20px 16px 68px; }
  .welcome-logotype svg { height:48px; }
  .welcome-sub { font-size:13px; }
}

/* ── PANTALLAS CORTAS (Nest Hub 600px tall, landscape phones) ── */
@media (max-height: 650px) {
  .welcome-sub { font-size:13px; margin-top:2px; }
  .welcome-badge { padding:4px 12px; margin-bottom:2px; }
  .start-hint { margin-top:4px; }
  .welcome-logotype svg { height:60px; }
  .slide { padding:24px 56px; }
  .billboard { height:min(420px, calc(100dvh - 64px - 52px - 32px)); }
}