/* ============================================================
   shared.css — Estilos compartidos entre index.html y tracking.html
   ============================================================ */

:root{
  --navy900:#1B214B;
  --purple600:#6B4CF6;
  --purple700:#5A3BE0;
  --purple100:#EEEAFE;
  --green500:#32C766;
  --green100:#E8F8EF;
  --amber500:#F2A93B;
  --amber100:#FDF3E2;
  --amber-text:#8A5A12;
  --gray50:#F7F8FB;
  --gray200:#E5E7EF;
  --gray500:#7A7F92;
  --white:#FFFFFF;
  --red500:#E5484D;
  --red100:#FDECEC;
  --r-card:20px;
  --r-button:14px;
  --r-pill:999px;
  --shadow:0 12px 40px rgba(27,33,75,.10);
  --font-heading:'Manrope',sans-serif;
  --font-body:'Inter',sans-serif;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  color:var(--navy900);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul,ol{list-style:none;}
button{font-family:inherit; cursor:pointer;}
.wrap{max-width:1200px; margin:0 auto; padding:0 32px;}
h1,h2,h3{font-family:var(--font-heading); font-weight:700; letter-spacing:-0.01em;}
.eyebrow{
  font-family:var(--font-body); font-weight:600; font-size:13px; letter-spacing:.08em;
  text-transform:uppercase; color:var(--purple600);
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 26px; border-radius:var(--r-button); font-weight:600; font-size:15px;
  border:1.5px solid transparent; transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space:nowrap;
}
.btn-primary{ background:var(--purple600); color:var(--white); box-shadow:0 8px 20px rgba(107,76,246,.28);}
.btn-primary:hover{ background:var(--purple700); transform:translateY(-1px);}
.btn-ghost{ background:transparent; color:var(--navy900); border-color:var(--gray200);}
.btn-ghost:hover{ border-color:var(--purple600); color:var(--purple600);}
.btn-sm{ padding:10px 18px; font-size:14px; border-radius:var(--r-button);}
.btn[disabled]{ opacity:.6; cursor:not-allowed; transform:none !important; }
.btn .spinner{
  width:15px; height:15px; border-radius:50%; border:2px solid rgba(255,255,255,.4); border-top-color:#fff;
  animation:spin .7s linear infinite; flex-shrink:0;
}
@keyframes spin{ to{ transform:rotate(360deg);} }

/* ---------- Header ---------- */
header{
  position:sticky; top:0; z-index:50; background:rgba(255,255,255,.86);
  backdrop-filter:blur(10px); border-bottom:1px solid transparent; transition:border-color .2s ease, box-shadow .2s ease;
}
header.scrolled{ border-color:var(--gray200); box-shadow:0 1px 0 rgba(27,33,75,.03);}
.nav{ display:flex; align-items:center; justify-content:space-between; height:78px;}
.brand{ display:flex; align-items:center; gap:10px; }
.brand svg{ height:28px; width:auto; }
.nav-links{ display:flex; align-items:center; gap:36px; }
.nav-links a{ font-size:15px; font-weight:500; color:var(--navy900); opacity:.8; transition:opacity .15s ease;}
.nav-links a:hover{ opacity:1; color:var(--purple600);}
.nav-cta{ display:flex; align-items:center; gap:18px;}
.nav-toggle{ display:none; background:none; border:none; }
.nav-toggle span{ display:block; width:22px; height:2px; background:var(--navy900); margin:5px 0; border-radius:2px;}

/* ---------- Footer ---------- */
footer{ background:var(--navy900); color:var(--white); padding:56px 0 28px; border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{ display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:32px; margin-bottom:40px;}
.footer-brand svg{ height:26px; margin-bottom:14px;}
.footer-brand p{ font-size:13.5px; color:rgba(255,255,255,.55); max-width:280px; line-height:1.6;}
.footer-cols{ display:flex; gap:64px; flex-wrap:wrap; }
.footer-col h4{ font-family:var(--font-heading); font-size:13px; text-transform:uppercase; letter-spacing:.06em; color:rgba(255,255,255,.5); margin-bottom:14px; }
.footer-col a{ display:block; font-size:14px; color:rgba(255,255,255,.82); margin-bottom:10px; }
.footer-col a:hover{ color:var(--white); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:24px; border-top:1px solid rgba(255,255,255,.08); font-size:12.5px; color:rgba(255,255,255,.45); flex-wrap:wrap; gap:12px;}

/* ---------- Modal: nueva solicitud ---------- */
.modal-overlay{
  position:fixed; inset:0; background:rgba(27,33,75,.55); backdrop-filter:blur(3px);
  display:flex; align-items:center; justify-content:center; padding:24px; z-index:200;
  opacity:0; pointer-events:none; transition:opacity .25s ease;
}
.modal-overlay.open{ opacity:1; pointer-events:auto; }
.modal-card{
  background:var(--white); border-radius:var(--r-card); box-shadow:var(--shadow), 0 40px 80px rgba(27,33,75,.25);
  width:100%; max-width:560px; max-height:90vh; overflow-y:auto; position:relative;
  transform:translateY(18px) scale(.98); opacity:0; transition:transform .28s ease, opacity .28s ease;
}
.modal-overlay.open .modal-card{ transform:translateY(0) scale(1); opacity:1; }
.modal-head{ padding:34px 32px 6px; }
.modal-close{
  position:absolute; top:20px; right:20px; width:36px; height:36px; border-radius:50%; border:none;
  background:var(--gray50); display:flex; align-items:center; justify-content:center; color:var(--navy900);
  transition:background .15s ease; z-index:2;
}
.modal-close:hover{ background:var(--gray200); }
.modal-close svg{ width:16px; height:16px; }
.modal-eyebrow{ font-size:13px; font-weight:600; color:var(--purple600); text-transform:uppercase; letter-spacing:.06em; }
.modal-head h2{ font-family:var(--font-heading); font-size:25px; margin-top:6px; color:var(--navy900); line-height:1.2; }
.modal-head p{ font-size:14px; color:var(--gray500); margin-top:8px; line-height:1.55; }
.modal-body{ padding:22px 32px 32px; }
.form-section{ margin-bottom:8px; }
.form-section-title{ display:flex; align-items:center; gap:10px; margin-bottom:16px; }
.form-section-title .num{
  width:26px; height:26px; border-radius:50%; background:var(--purple100); color:var(--purple600);
  display:flex; align-items:center; justify-content:center; font-family:var(--font-heading); font-weight:800; font-size:12.5px; flex-shrink:0;
}
.form-section-title h3{ font-size:15px; font-family:var(--font-heading); font-weight:700; color:var(--navy900); }
.form-section-note{ font-size:13.5px; color:var(--gray500); line-height:1.6; margin:-4px 0 18px 36px; }
.form-info-card{
  display:flex; gap:10px; align-items:flex-start;
  background:var(--amber100); border:1px solid rgba(242,169,59,.35); border-radius:var(--r-button);
  padding:13px 15px; margin-bottom:20px;
}
.form-info-card svg{ width:17px; height:17px; flex-shrink:0; margin-top:1px; stroke:var(--amber-text); }
.form-info-card p{ font-size:13px; color:var(--amber-text); line-height:1.6; }
.field{ margin-bottom:16px; }
.field label{ display:block; font-size:13px; font-weight:600; color:var(--navy900); margin-bottom:7px; }
.field .optional{ color:var(--gray500); font-weight:500; }
.field select, .field textarea, .field input{
  width:100%; border:1.5px solid var(--gray200); border-radius:var(--r-button); padding:12px 14px;
  font-family:var(--font-body); font-size:14.5px; color:var(--navy900); background:var(--white);
  transition:border-color .15s ease, box-shadow .15s ease;
}
.field select:focus, .field textarea:focus, .field input:focus{
  outline:none; border-color:var(--purple600); box-shadow:0 0 0 4px rgba(107,76,246,.12);
}
.field textarea{ resize:vertical; min-height:92px; line-height:1.5; }
.field.has-error select, .field.has-error textarea, .field.has-error input{
  border-color:var(--red500); background:var(--red100);
}
.field-error{ display:none; font-size:12.5px; color:var(--red500); margin-top:6px; font-weight:500; }
.field.has-error .field-error{ display:block; }
.field select{
  appearance:none; -webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%237A7F92' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 14px center; padding-right:38px;
}
.form-divider{ border:none; border-top:1px solid var(--gray200); margin:24px 0 22px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:12px; }
@media (max-width: 480px){ .form-row{ grid-template-columns:1fr; } }
.form-actions{ display:flex; align-items:center; gap:14px; margin-top:6px; }
.form-actions .btn{ flex:1; }
.form-error-banner{
  display:none; align-items:flex-start; gap:10px; background:var(--red100); border:1px solid rgba(229,72,77,.25);
  border-radius:var(--r-button); padding:12px 14px; font-size:13.5px; color:var(--red500); margin-bottom:18px; line-height:1.5;
}
.form-error-banner.show{ display:flex; }
.success-view{ text-align:center; padding:10px 4px 4px; }
.success-icon{
  width:60px; height:60px; border-radius:50%; background:var(--green100); display:flex; align-items:center; justify-content:center;
  margin:0 auto 20px;
}
.success-icon svg{ width:26px; height:26px; stroke:var(--green500); }
.success-view h2{ font-family:var(--font-heading); font-size:21px; margin-bottom:10px; color:var(--navy900); }
.success-view p{ font-size:14.5px; color:var(--gray500); line-height:1.6; max-width:380px; margin:0 auto 6px; }
.tracking-link{
  display:inline-flex; align-items:center; gap:8px; margin-top:16px; padding:10px 18px; border-radius:var(--r-pill);
  background:var(--purple100); color:var(--purple600); font-size:13.5px; font-weight:600; word-break:break-all; max-width:100%;
}

/* ---------- Reveal on scroll ---------- */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; }
}

/* ---------- Responsive compartido ---------- */
@media (max-width: 720px){
  .nav-links{ display:none; }
  .nav-toggle{ display:block; }
  .wrap{ padding:0 20px; }
  .footer-grid{ flex-direction:column; }
}