/* ============================================================
   Innova Peru Systems SAC — style.css
   Paleta desde la propuesta: carbón #232A3C · rojo #E00000 · dorado #AF7B51
   ============================================================ */

:root {
  --carbon: #232A3C;
  --carbon-2: #1A2030;
  --rojo: #E00000;
  --rojo-hover: #B80000;
  --dorado: #AF7B51;
  --gris: #4D5156;
  --gris-suave: #6B7280;
  --claro: #F4F4F1;
  --blanco: #FFFFFF;
  --borde: #E4E4E0;
  --shadow: 0 10px 30px rgba(35, 42, 60, .10);
  --radius: 14px;
  --font-head: 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Source Sans 3', system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: var(--font-body);
  color: var(--gris);
  font-size: 17px;
  line-height: 1.6;
  background: var(--blanco);
}

h1, h2, h3, h4 { font-family: var(--font-head); color: var(--carbon); line-height: 1.15; }
h1 { font-size: clamp(2rem, 4.6vw, 3.2rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); font-weight: 800; letter-spacing: -0.015em; }
h3 { font-size: 1.15rem; font-weight: 700; }
a { color: var(--rojo); text-decoration: none; }
a:hover { color: var(--rojo-hover); }

.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; font-family: var(--font-head); font-weight: 700; font-size: .95rem;
  padding: 12px 22px; border-radius: 10px; border: 2px solid transparent;
  cursor: pointer; transition: background .15s, border-color .15s, color .15s, transform .1s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--rojo); color: #fff; }
.btn-primary:hover { background: var(--rojo-hover); color: #fff; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn-ghost:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,.08); }
.btn-outline { background: transparent; color: var(--carbon); border-color: var(--carbon); }
.btn-outline:hover { background: var(--carbon); color: #fff; }
.btn-sm { padding: 8px 14px; font-size: .85rem; }
.btn-lg { padding: 15px 28px; font-size: 1.02rem; }
.btn-block { width: 100%; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--borde);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: inline-flex; align-items: center; }
.brand-logo { height: 44px; width: auto; display: block; }
.menu { display: flex; align-items: center; gap: 26px; }
.menu > a:not(.btn) { color: var(--carbon); font-family: var(--font-head); font-weight: 600; font-size: .95rem; }
.menu > a:not(.btn):hover { color: var(--rojo); }
.nav-cta { margin-left: 6px; padding: 10px 18px; }
.menu-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px;
}
.menu-toggle span { width: 24px; height: 2.5px; background: var(--carbon); border-radius: 2px; transition: transform .2s, opacity .2s; }
.menu-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; background: var(--carbon);
  background-image: radial-gradient(1200px 500px at 85% -10%, rgba(175,123,81,.22), transparent 60%),
                    radial-gradient(900px 420px at -10% 110%, rgba(224,0,0,.14), transparent 55%);
  color: #fff; padding: 168px 0 110px; overflow: hidden;
}
.hero-strip {
  position: absolute; top: 0; bottom: 0; left: 0; width: 14px;
  background: linear-gradient(180deg, var(--dorado) 0 30%, #3A4356 30% 60%, var(--rojo) 60% 100%);
  opacity: .85;
}
.hero-inner { max-width: 860px; }
.hero .container { padding-left: 34px; }
.hero-badge {
  display: inline-block; font-family: var(--font-head); font-weight: 700; font-size: .8rem;
  letter-spacing: .08em; text-transform: uppercase; color: var(--dorado);
  border: 1px solid rgba(175,123,81,.5); padding: 7px 14px; border-radius: 999px; margin-bottom: 26px;
}
.hero h1 { color: #fff; margin-bottom: 18px; }
.hero-sub { font-size: 1.18rem; color: #C7CCD8; max-width: 720px; margin-bottom: 32px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }
.hero-feats { list-style: none; display: flex; flex-wrap: wrap; gap: 12px 28px; color: #AEB4C2; font-size: .95rem; }
.hero-feats li { display: flex; align-items: center; gap: 8px; }
.hero-feats li::before { content: "✓"; color: var(--dorado); font-weight: 700; }

/* ---------- Secciones ---------- */
.section { padding: 96px 0; }
.section-alt { background: var(--claro); border-top: 1px solid var(--borde); border-bottom: 1px solid var(--borde); }
.section-dark { background: var(--carbon-2); color: #C7CCD8; }
.section-dark h2 { color: #fff; }
.kicker {
  font-family: var(--font-head); font-weight: 700; font-size: .8rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--rojo); margin-bottom: 12px;
}
.kicker-light { color: var(--dorado); }
.section-sub { max-width: 640px; margin: 14px 0 40px; font-size: 1.05rem; }

/* ---------- Grid de cards ---------- */
.grid-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radius);
  padding: 28px 26px; box-shadow: var(--shadow); display: flex; flex-direction: column;
  transition: transform .15s, box-shadow .15s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 16px 38px rgba(35,42,60,.14); }
.card .card-icon {
  width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  background: var(--carbon); color: var(--dorado); font-weight: 700; font-size: 1.25rem; margin-bottom: 16px;
}
.card h3 { margin-bottom: 8px; }
.card p { font-size: .97rem; }
.card-infomagia { border: 1px dashed var(--dorado); background: #FBF7F2; }
.card-infomagia-tag {
  font-family: var(--font-head); font-weight: 700; font-size: .72rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--dorado); margin-bottom: 10px;
}
.card .btn { margin-top: auto; align-self: flex-start; margin-top: 18px; }

/* ---------- Split ---------- */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.split-text h2 { margin-bottom: 6px; }
.check-list { list-style: none; margin-top: 20px; display: grid; gap: 12px; }
.check-list li { padding-left: 30px; position: relative; }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  width: 20px; height: 20px; border-radius: 50%; background: var(--rojo); color: #fff;
  font-size: .72rem; font-weight: 700; display: flex; align-items: center; justify-content: center;
}
.split-visual .diagram { width: 100%; height: auto; border-radius: var(--radius); box-shadow: var(--shadow); background: #fff; }

/* ---------- Stats (nosotros) ---------- */
.dark-stats { display: grid; gap: 18px; }
.stat {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 4px;
}
.stat-num { font-family: var(--font-head); font-weight: 800; font-size: 1.7rem; color: #fff; }
.stat-label { color: var(--dorado); font-size: .92rem; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.step { position: relative; background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radius); padding: 32px 26px 26px; box-shadow: var(--shadow); }
.step-num {
  position: absolute; top: -18px; left: 24px;
  width: 40px; height: 40px; border-radius: 10px; background: var(--rojo); color: #fff;
  font-family: var(--font-head); font-weight: 800; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow);
}
.step h3 { margin: 14px 0 8px; }
.step h3 small { display: block; font-size: .82rem; font-weight: 600; color: var(--gris-suave); margin-top: 2px; }
.step p { font-size: .97rem; }

/* ---------- Contacto ---------- */
.split-form { background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radius); box-shadow: var(--shadow); padding: 34px; }
.form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { display: grid; gap: 6px; }
.form-field label { font-family: var(--font-head); font-weight: 600; font-size: .85rem; color: var(--carbon); }
.form-field input, .form-field select, .form-field textarea {
  font-family: var(--font-body); font-size: 1rem; color: var(--carbon);
  border: 1px solid #D5D5D0; border-radius: 10px; padding: 12px 14px; background: #FCFCFB;
  transition: border-color .15s, box-shadow .15s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--rojo); box-shadow: 0 0 0 3px rgba(224,0,0,.10);
}
.form-field input.invalid, .form-field textarea.invalid { border-color: var(--rojo); }
.form-msg { font-size: .95rem; font-weight: 600; min-height: 1.3em; }
.form-msg.ok { color: #177245; }
.form-msg.err { color: var(--rojo); }

.contact-list { list-style: none; margin: 22px 0; display: grid; gap: 10px; }
.contact-list a { color: var(--carbon); border-bottom: 1px solid #D8D8D3; }
.contact-list a:hover { color: var(--rojo); }
.infomagia-box {
  margin-top: 26px; background: #FBF7F2; border: 1px dashed var(--dorado);
  border-radius: 12px; padding: 16px 18px; font-size: .97rem;
}

/* ---------- Footer ---------- */
.footer { background: var(--carbon-2); color: #AEB4C2; padding: 56px 0 30px; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 36px; }
.brand-logo-footer { height: 38px; margin-bottom: 14px; }
.footer h4 { color: #fff; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 12px; }
.footer ul { list-style: none; display: grid; gap: 7px; font-size: .95rem; }
.footer a { color: #C7CCD8; }
.footer a:hover { color: var(--dorado); }
.footer-legal {
  border-top: 1px solid rgba(255,255,255,.10); padding-top: 22px;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; font-size: .88rem;
}

/* ---------- WhatsApp float ---------- */
.whatsapp-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366; color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, .4); transition: transform .15s;
}
.whatsapp-float:hover { transform: scale(1.08); color: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid-cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .step { margin-top: 18px; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .section { padding: 68px 0; }
  .hero { padding: 128px 0 80px; }
  .grid-cards { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 26px; }
  .nav-cta { display: none; }
  .menu {
    position: fixed; top: 74px; left: 0; right: 0; background: var(--blanco);
    flex-direction: column; align-items: stretch; gap: 0; padding: 10px 20px 20px;
    border-bottom: 1px solid var(--borde); box-shadow: var(--shadow);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity .18s, transform .18s, visibility .18s;
  }
  .menu.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .menu > a { padding: 13px 4px; border-bottom: 1px solid var(--borde); }
  .menu > a.nav-cta { display: inline-flex; margin-top: 12px; }
  .menu-toggle { display: flex; }
  .hero-feats { flex-direction: column; gap: 8px; }
}