/* YGRA Universal Supli — main stylesheet (mobile-first).
   Loaded after theme.css, which defines the brand tokens. */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--heading); line-height: 1.18; margin: 0 0 .5em; color: var(--ygra-blue); font-weight: 700; }
h1 { font-size: 2.3rem; letter-spacing: -.5px; }
h2 { font-size: 1.85rem; }
h3 { font-size: 1.25rem; }
p  { margin: 0 0 1em; color: var(--ink-soft); }
a  { color: var(--ygra-blue); text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 22px; }
.section { padding: 64px 0; }
.section--soft { background: var(--bg-soft); }
.section--navy { background: var(--bg-navy); color: #dfe3f5; }
.section--navy h1, .section--navy h2, .section--navy h3 { color: #fff; }
.section--navy p { color: #b9c0e6; }

.eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--ygra-orange-dark); margin-bottom: 10px; }
.section-head { max-width: 720px; margin: 0 auto 42px; text-align: center; }
.lead { font-size: 1.12rem; color: var(--ink-soft); }

/* ---------- Header / nav (mobile-first) ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 14px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 40px; width: auto; }
.brand-text { display: none; font-weight: 700; color: var(--ygra-blue); font-size: 1rem; line-height: 1.05; }
.brand-text small { display: block; font-weight: 600; color: var(--ink-soft); font-size: .62rem; letter-spacing: 1px; }
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-links { display: none; gap: 26px; align-items: center; }
.nav-links a { color: var(--ink); font-size: .95rem; font-weight: 500; }
.nav-links a:hover, .nav-links a.active { color: var(--ygra-blue); }
.nav-links a.active { position: relative; }
.nav-cta { display: none; }

/* Language switcher (ES / EN) */
.lang-switch { display: flex; gap: 4px; align-items: center; }
.lang-switch button {
  border: 1px solid var(--line); background: transparent; color: var(--ink-soft);
  font: inherit; font-size: .74rem; font-weight: 700; letter-spacing: .5px;
  padding: 6px 10px; border-radius: 999px; cursor: pointer; text-transform: uppercase;
  transition: all .15s ease;
}
.lang-switch button:hover { border-color: var(--ygra-orange); color: var(--ygra-orange-dark); }
.lang-switch button.active { background: var(--ygra-blue); color: #fff; border-color: var(--ygra-blue); }

/* Mobile hamburger */
.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px;
  background: none; color: var(--ygra-blue); font-size: 1.3rem; line-height: 1; cursor: pointer;
}
.nav-links.open {
  display: flex; flex-direction: column; gap: 16px; align-items: flex-start;
  position: absolute; top: 70px; left: 0; right: 0;
  background: #fff; border-bottom: 1px solid var(--line);
  padding: 20px 22px; box-shadow: var(--shadow); z-index: 60;
}
.nav-links.open .nav-cta { display: inline-flex; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 26px; border-radius: 999px; font-weight: 600; font-size: 1rem;
  cursor: pointer; border: 2px solid transparent; min-height: 50px;
  font-family: inherit;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn-primary { background: var(--ygra-orange); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--ygra-orange-dark); transform: translateY(-2px); }
.btn-secondary { background: var(--ygra-blue); color: #fff; }
.btn-secondary:hover { background: var(--ygra-blue-dark); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--ygra-blue); border-color: var(--line); }
.btn-outline:hover { border-color: var(--ygra-blue); }
.btn-whatsapp { background: #25D366; color: #fff; }
.btn-whatsapp:hover { background: #1da851; transform: translateY(-2px); }
.btn-block { width: 100%; }
.btn-lg { padding: 16px 34px; font-size: 1.08rem; min-height: 56px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(120% 90% at 85% -10%, rgba(247,148,29,.18) 0%, transparent 55%),
    linear-gradient(160deg, #ffffff 0%, var(--bg-soft) 100%);
  padding: 56px 0 64px;
}
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 38px; align-items: center; }
.hero h1 { font-size: 2.5rem; }
.hero h1 .accent { color: var(--ygra-orange); }
.hero .lead { font-size: 1.18rem; max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }
.hero-stats { display: flex; gap: 28px; margin-top: 36px; flex-wrap: wrap; }
.hero-stats .stat strong { display: block; font-size: 1.7rem; color: var(--ygra-blue); font-weight: 800; }
.hero-stats .stat span { font-size: .86rem; color: var(--ink-soft); }
.hero-visual { display: flex; justify-content: center; }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 22px; grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr 1fr; }

.card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .icon { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  background: rgba(247,148,29,.12); color: var(--ygra-orange-dark); font-size: 1.6rem; margin-bottom: 16px; }
.card h3 { margin-bottom: 8px; }
.card p { margin: 0; }

/* Process / steps */
.steps { display: grid; gap: 22px; grid-template-columns: 1fr; counter-reset: step; }
.step { position: relative; padding-left: 64px; }
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 0; top: 0; width: 46px; height: 46px; border-radius: 50%;
  background: var(--ygra-blue); color: #fff; font-weight: 800; font-size: 1.2rem;
  display: grid; place-items: center;
}
.step h3 { margin-bottom: 4px; }
.step p { margin: 0; }

/* Benefit list with check */
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checklist li { position: relative; padding-left: 32px; color: var(--ink); }
.checklist li::before { content: "✓"; position: absolute; left: 0; top: 0;
  width: 22px; height: 22px; border-radius: 50%; background: rgba(247,148,29,.15);
  color: var(--ygra-orange-dark); font-weight: 800; font-size: .8rem; display: grid; place-items: center; }

/* CTA band */
.cta-band { background: linear-gradient(135deg, var(--ygra-blue) 0%, var(--ygra-blue-dark) 100%);
  border-radius: var(--radius); padding: 46px 32px; text-align: center; color: #fff; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #c3c9ec; max-width: 560px; margin: 0 auto 24px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Simulator ---------- */
.sim-wrap { display: grid; gap: 28px; grid-template-columns: 1fr; }
.sim-form, .sim-results { background: var(--bg); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow-sm); }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 7px; color: var(--ink); }
.field input, .field select {
  width: 100%; font: inherit; padding: 13px 14px; border: 1px solid var(--line);
  border-radius: var(--radius-sm); background: var(--bg); color: var(--ink); min-height: 50px;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--ygra-orange); }
.field .hint { font-size: .8rem; color: var(--ink-soft); margin-top: 6px; }
.toggle-row { display: flex; gap: 10px; }
.toggle-row label { flex: 1; cursor: pointer; }
.toggle-row input { display: none; }
.toggle-row .opt { display: block; text-align: center; padding: 13px; border: 1px solid var(--line);
  border-radius: var(--radius-sm); font-weight: 600; transition: all .15s ease; }
.toggle-row input:checked + .opt { border-color: var(--ygra-blue); background: var(--ygra-blue); color: #fff; }

.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 6px 0 22px; }
.result-cell { background: var(--bg-soft); border-radius: var(--radius-sm); padding: 16px; text-align: center; }
.result-cell strong { display: block; font-size: 1.5rem; color: var(--ygra-blue); font-weight: 800; line-height: 1.2; }
.result-cell.highlight { background: rgba(247,148,29,.12); }
.result-cell.highlight strong { color: var(--ygra-orange-dark); }
.result-cell span { font-size: .8rem; color: var(--ink-soft); }
.sim-chart { width: 100%; height: auto; margin: 8px 0 18px; }
.sim-empty { color: var(--ink-soft); text-align: center; padding: 30px 10px; }
.sim-disclaimer { font-size: .78rem; color: var(--ink-soft); margin-top: 16px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 28px; }
.contact-card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; box-shadow: var(--shadow-sm); }
.contact-info-item { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px; }
.contact-info-item .ci-icon { font-size: 1.3rem; }
.contact-info-item h4 { margin: 0 0 2px; font-size: 1rem; color: var(--ygra-blue); }
.contact-info-item p { margin: 0; }
.form-status { margin-top: 14px; padding: 12px 14px; border-radius: var(--radius-sm); font-size: .92rem; display: none; }
.form-status.show { display: block; }
.form-status.ok { background: rgba(37,211,102,.12); color: #1da851; }
.form-status.err { background: rgba(178,59,59,.1); color: #b23b3b; }
.hp-field { position: absolute; left: -9999px; opacity: 0; }

/* ---------- Team photo (Nosotros) ---------- */
.team-photo { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow);
  border: 1px solid var(--line); }

/* ---------- Mission / values ---------- */
.value-grid { display: grid; gap: 20px; grid-template-columns: 1fr; }
.mv-block { background: var(--bg); border: 1px solid var(--line); border-left: 5px solid var(--ygra-orange);
  border-radius: var(--radius); padding: 26px 24px; box-shadow: var(--shadow-sm); }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-navy); color: #b9c0e6; padding: 48px 0 26px; }
.footer-grid { display: grid; gap: 28px; grid-template-columns: 1fr; }
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 14px; }
.site-footer a { color: #b9c0e6; }
.site-footer a:hover { color: var(--ygra-orange-soft); }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.footer-brand img { height: 46px; background: #fff; border-radius: 10px; padding: 6px 10px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 30px; padding-top: 18px;
  font-size: .85rem; text-align: center; color: #8b93c2; }
.footer-social a { display: inline-block; margin-right: 14px; font-weight: 600; }

/* Floating WhatsApp button */
.wa-float { position: fixed; right: 18px; bottom: 18px; z-index: 80;
  width: 56px; height: 56px; border-radius: 50%; background: #25D366; color: #fff;
  display: grid; place-items: center; box-shadow: 0 8px 24px rgba(0,0,0,.25); font-size: 1.7rem;
  transition: transform .15s ease; }
.wa-float:hover { transform: scale(1.08); }

/* ---------- Blog ---------- */
.blog-grid { display: grid; gap: 24px; grid-template-columns: 1fr; }
.blog-card { display: flex; flex-direction: column; background: var(--bg); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease; color: var(--ink); }
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.blog-thumb { height: 170px; background-size: cover; background-position: center; }
.blog-thumb--ph { display: grid; place-items: center;
  background: linear-gradient(135deg, var(--ygra-blue) 0%, var(--ygra-blue-soft) 100%); }
.blog-thumb--ph span { font-size: 2.8rem; }
.blog-card-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.blog-card-body h3 { margin: 0 0 6px; }
.blog-tag { align-self: flex-start; display: inline-block; background: rgba(247,148,29,.14);
  color: var(--ygra-orange-dark); font-size: .7rem; font-weight: 700; letter-spacing: .5px;
  text-transform: uppercase; padding: 4px 11px; border-radius: 999px; margin-bottom: 12px; }
.blog-date { color: var(--ink-soft); font-size: .84rem; margin: 0 0 10px; }
.blog-readmore { margin-top: auto; color: var(--ygra-blue); font-weight: 600; }

/* Single article */
.blog-article { max-width: 760px; margin: 0 auto; }
.blog-article h1 { font-size: 2.1rem; margin: 6px 0 4px; }
.blog-back { display: inline-block; margin-bottom: 18px; font-weight: 600; color: var(--ygra-blue); }
.blog-hero-img { height: 260px; border-radius: var(--radius); background-size: cover;
  background-position: center; margin: 18px 0 26px; }
.blog-body { font-size: 1.05rem; }
.blog-body p { color: var(--ink); }
.blog-body h2 { font-size: 1.4rem; margin: 1.5em 0 .4em; }
.blog-body ul { margin: 0 0 1.2em; padding-left: 1.2em; color: var(--ink); }
.blog-body li { margin-bottom: .5em; }
.blog-body a { color: var(--ygra-orange-dark); font-weight: 600; }
.blog-cta { margin-top: 32px; display: flex; gap: 12px; flex-wrap: wrap; }

@media (min-width: 700px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .blog-grid { grid-template-columns: repeat(3, 1fr); }
  .blog-article h1 { font-size: 2.5rem; }
}

/* ---------- Solar-flow diagram (inline SVG on the home page) ---------- */
.solar-flow { width: 100%; height: auto; max-width: 560px; }
.solar-flow .node-box { fill: #fff; stroke: var(--ygra-blue); stroke-width: 2.5; }
.solar-flow .node-label { fill: var(--ygra-blue); font-family: var(--sans); font-weight: 600; font-size: 15px; }
.solar-flow .panel-cells rect { fill: var(--ygra-blue-soft); }
.solar-flow .flow-line { fill: none; stroke: var(--ygra-orange); stroke-width: 4;
  stroke-linecap: round; stroke-dasharray: 6 12; animation: ygra-flow 1.1s linear infinite; }
@keyframes ygra-flow { to { stroke-dashoffset: -36; } }
.solar-flow .sun-core { fill: var(--ygra-orange); transform-box: fill-box; transform-origin: center;
  animation: ygra-pulse 3s ease-in-out infinite; }
.solar-flow .sun-rays { stroke: var(--ygra-orange-soft); stroke-width: 4; stroke-linecap: round;
  transform-box: fill-box; transform-origin: center; animation: ygra-spin 20s linear infinite; }
@keyframes ygra-spin { to { transform: rotate(360deg); } }
@keyframes ygra-pulse { 0%,100% { opacity: 1; } 50% { opacity: .7; } }
@media (prefers-reduced-motion: reduce) {
  .solar-flow .flow-line, .solar-flow .sun-core, .solar-flow .sun-rays { animation: none; }
}

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (min-width: 760px) {
  .brand-text { display: block; }
  h1 { font-size: 2.8rem; }
  .hero h1 { font-size: 3.2rem; }
  .hero-grid { grid-template-columns: 1.05fr .95fr; }
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .steps { grid-template-columns: 1fr 1fr; }
  .sim-wrap { grid-template-columns: .9fr 1.1fr; align-items: start; }
  .contact-grid { grid-template-columns: 1fr 1.2fr; }
  .value-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}
@media (min-width: 1000px) {
  .steps { grid-template-columns: repeat(4, 1fr); }
}

/* Inline desktop nav kicks in only when there's room for all menu items;
   below this the hamburger is used (it also holds the CTA button). */
@media (min-width: 1080px) {
  .nav-toggle { display: none; }
  .nav-links { display: flex; gap: 18px; }
  .nav-links a { font-size: .92rem; }
}
@media (min-width: 1280px) {
  .nav-links { gap: 24px; }
  .nav-cta { display: inline-flex; }
}

/* ---------- System types page ---------- */
.sys-row { display: grid; gap: 26px; grid-template-columns: 1fr; align-items: center; margin-bottom: 46px; }
.sys-row:last-child { margin-bottom: 0; }
.sys-figure img { width: 100%; border-radius: var(--radius); border: 1px solid var(--line);
  background: #fff; box-shadow: var(--shadow-sm); }
.sys-num { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 50%;
  background: var(--ygra-orange); color: #fff; font-weight: 800; margin-bottom: 12px; }
.sys-ideal { display: inline-block; background: rgba(22,33,123,.07); color: var(--ygra-blue);
  font-weight: 600; font-size: .92rem; padding: 8px 14px; border-radius: 999px; margin-top: 4px; }
@media (min-width: 820px) {
  .sys-row { grid-template-columns: 1fr 1fr; gap: 40px; }
  .sys-row.sys-rev .sys-figure { order: 2; }
}