/* ===== AURASOFT — Estilos ===== */
:root{
  /* Marca (constantes en ambos temas) */
  --blue:#1f7fff;
  --blue-bright:#2b8bff;
  --cyan:#38b6ff;
  --teal:#12B5A5;
  --orange:#FF7A00;
  --grad:linear-gradient(135deg,#38b6ff 0%,#1f6feb 60%,#1746c9 100%);
  --pbi-grad:linear-gradient(135deg,#12B5A5 0%,#38b6ff 100%);
  --radius:18px;
  --max:1180px;
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-head:'Sora',var(--font);

  /* ===== TEMA CLARO (predeterminado) ===== */
  --bg:#eef3fb;
  --glow-a:rgba(56,182,255,.20);
  --glow-b:rgba(31,111,235,.10);
  --text:#0f2a43;
  --text-dim:#516074;
  --accent:#1668d6;
  --border:rgba(15,42,67,.12);
  --card:#ffffff;
  --card-hover:#ffffff;
  --surface-alt:#e4ecf7;
  --surface-soft:#eef3fb;
  --surface-grad:linear-gradient(160deg,#ffffff,#eaf1fb);
  --surface-grad-strong:linear-gradient(160deg,#ffffff,#e8f0fb);
  --chat-grad:linear-gradient(160deg,#ffffff,#eaf1fb);
  --bubble-in:#e8eef7;
  --input-bg:#ffffff;
  --placeholder:#8a99b5;
  --option-bg:#ffffff;
  --footer-bg:#dbe5f4;
  --pbi-stat-bg:linear-gradient(160deg,#ffffff,#eaf1fb);
  --track-bg:rgba(15,42,67,.10);
  --ghost-bg:rgba(15,42,67,.05);
  --ghost-bg-hover:rgba(15,42,67,.10);
  --ico-grad:linear-gradient(135deg,rgba(56,182,255,.16),rgba(31,111,235,.10));
  --pbi-ico-grad:linear-gradient(135deg,rgba(18,181,165,.18),rgba(56,182,255,.10));
  --header-bg:rgba(244,247,252,.72);
  --header-bg-2:rgba(244,247,252,.92);
  --nav-mobile-bg:rgba(244,247,252,.98);
  --shadow:0 20px 50px -20px rgba(15,42,67,.22);
}

/* ===== TEMA OSCURO ===== */
:root[data-theme="dark"]{
  --bg:#0a1428;
  --glow-a:rgba(56,182,255,.18);
  --glow-b:rgba(31,111,235,.14);
  --text:#e8eefc;
  --text-dim:#9db0d4;
  --accent:#38b6ff;
  --border:rgba(120,160,230,.16);
  --card:rgba(255,255,255,.035);
  --card-hover:rgba(255,255,255,.06);
  --surface-alt:rgba(5,11,28,.45);
  --surface-soft:rgba(255,255,255,.03);
  --surface-grad:linear-gradient(160deg,rgba(18,42,85,.7),rgba(8,17,39,.6));
  --surface-grad-strong:linear-gradient(160deg,rgba(18,42,85,.75),rgba(8,17,39,.72));
  --chat-grad:linear-gradient(160deg,#0d1b3a,#081127);
  --bubble-in:rgba(255,255,255,.07);
  --input-bg:rgba(5,11,28,.6);
  --placeholder:#5f739a;
  --option-bg:#0a1428;
  --footer-bg:#050b1c;
  --pbi-stat-bg:linear-gradient(160deg,rgba(18,64,95,.5),rgba(8,17,39,.5));
  --track-bg:rgba(255,255,255,.06);
  --ghost-bg:rgba(255,255,255,.04);
  --ghost-bg-hover:rgba(255,255,255,.09);
  --ico-grad:linear-gradient(135deg,rgba(56,182,255,.2),rgba(31,111,235,.12));
  --pbi-ico-grad:linear-gradient(135deg,rgba(18,181,165,.22),rgba(56,182,255,.12));
  --header-bg:rgba(6,12,26,.55);
  --header-bg-2:rgba(6,12,26,.85);
  --nav-mobile-bg:rgba(6,12,26,.97);
  --shadow:0 20px 50px -20px rgba(0,0,0,.7);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  overflow-x:hidden;
  background-image:
    radial-gradient(900px 500px at 80% -5%,var(--glow-a),transparent 60%),
    radial-gradient(700px 500px at 0% 10%,var(--glow-b),transparent 55%);
  background-attachment:fixed;
  transition:background-color .3s,color .3s;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}

.grad{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.eyebrow{
  display:inline-block;
  font-family:var(--font-head);
  font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);
  margin-bottom:14px;
}

/* ===== Botones ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--font-head);font-weight:600;font-size:.98rem;
  padding:13px 26px;border-radius:100px;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .25s ease,background .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 12px 30px -8px rgba(43,139,255,.6);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px -8px rgba(56,182,255,.7)}
.btn-ghost{
  background:var(--ghost-bg);color:var(--text);
  border:1px solid var(--border);
}
.btn-ghost:hover{background:var(--ghost-bg-hover);transform:translateY(-2px)}
.btn-lg{padding:16px 34px;font-size:1.05rem}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background:var(--header-bg);
  border-bottom:1px solid transparent;
  transition:background .3s,border-color .3s;
}
.site-header.scrolled{background:var(--header-bg-2);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;gap:16px;height:74px}
.brand-logo{height:44px;width:auto;border-radius:8px}
.main-nav{display:flex;gap:28px;margin-left:auto}
.main-nav a{
  font-family:var(--font-head);font-weight:500;font-size:.96rem;color:var(--text-dim);
  position:relative;transition:color .2s;
}
.main-nav a:hover{color:var(--text)}
.main-nav a::after{
  content:'';position:absolute;left:0;bottom:-6px;height:2px;width:0;
  background:var(--grad);transition:width .25s;
}
.main-nav a:hover::after{width:100%}
.btn-header{padding:10px 22px;font-size:.9rem}

/* Conmutador de tema */
.theme-toggle{
  width:40px;height:40px;flex-shrink:0;border-radius:50%;
  border:1px solid var(--border);background:var(--ghost-bg);color:var(--text);
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:background .2s,transform .2s,color .3s;
}
.theme-toggle:hover{background:var(--ghost-bg-hover);transform:translateY(-1px)}
.theme-toggle svg{width:19px;height:19px}
.theme-toggle .icon-sun{display:none}
.theme-toggle .icon-moon{display:block}
:root[data-theme="dark"] .theme-toggle .icon-moon{display:none}
:root[data-theme="dark"] .theme-toggle .icon-sun{display:block}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:26px;height:2px;background:var(--text);border-radius:2px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{position:relative;padding:96px 0 80px;text-align:center;overflow:hidden}
.hero-glow{
  position:absolute;top:-30%;left:50%;transform:translateX(-50%);
  width:900px;height:600px;
  background:radial-gradient(circle,rgba(56,182,255,.28),transparent 62%);
  filter:blur(30px);z-index:-1;
}
.hero-inner{max-width:900px;margin:0 auto}
.hero h1{
  font-family:var(--font-head);font-weight:800;line-height:1.08;
  font-size:clamp(2.1rem,5.5vw,3.7rem);letter-spacing:-.02em;margin-bottom:22px;
}
.hero-sub{font-size:clamp(1.02rem,2vw,1.22rem);color:var(--text-dim);max-width:660px;margin:0 auto 34px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:flex;gap:38px;justify-content:center;flex-wrap:wrap;margin-top:56px}
.stat{display:flex;flex-direction:column}
.stat strong{font-family:var(--font-head);font-size:2rem;font-weight:800;line-height:1}
.stat strong{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat span{font-size:.85rem;color:var(--text-dim);margin-top:4px}

/* ===== Trust strip ===== */
.trust{padding:26px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--surface-alt)}
.trust-inner{display:flex;align-items:center;gap:26px;flex-wrap:wrap;justify-content:center}
.trust-inner>span{color:var(--text-dim);font-size:.85rem;text-transform:uppercase;letter-spacing:.1em}
.trust-items{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.trust-chip{
  font-family:var(--font-head);font-weight:600;font-size:.9rem;color:var(--text);
  padding:8px 18px;border:1px solid var(--border);border-radius:100px;background:var(--card);
}

/* ===== Sections ===== */
.section{padding:88px 0}
.section-alt{background:var(--surface-alt)}
.section-head{max-width:660px;margin:0 auto 52px;text-align:center}
.section-head h2{font-family:var(--font-head);font-weight:700;font-size:clamp(1.7rem,3.6vw,2.5rem);letter-spacing:-.02em;line-height:1.15}
.section-head p{color:var(--text-dim);margin-top:14px;font-size:1.05rem}

/* ===== Grids ===== */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ===== Cards ===== */
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 24px;transition:transform .22s,border-color .22s,background .22s,box-shadow .22s;
  position:relative;overflow:hidden;
}
.card::before{
  content:'';position:absolute;inset:0;border-radius:var(--radius);padding:1px;
  background:var(--grad);opacity:0;transition:opacity .25s;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.card:hover{transform:translateY(-6px);background:var(--card-hover);box-shadow:var(--shadow)}
.card:hover::before{opacity:1}
.card-ico{
  width:52px;height:52px;display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;border-radius:14px;margin-bottom:16px;
  background:var(--ico-grad);
  border:1px solid var(--border);
}
.card h3{font-family:var(--font-head);font-weight:600;font-size:1.14rem;margin-bottom:8px}
.card p{color:var(--text-dim);font-size:.95rem}
.card.sm{padding:24px 22px}

/* ===== Split sections ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.split.reverse .split-text{order:2}
.split-text h2{font-family:var(--font-head);font-weight:700;font-size:clamp(1.6rem,3.4vw,2.3rem);line-height:1.16;letter-spacing:-.02em;margin-bottom:14px}
.split-text>p{color:var(--text-dim);font-size:1.05rem;margin-bottom:24px}
.check-list{list-style:none;display:flex;flex-direction:column;gap:13px;margin-bottom:26px}
.check-list li{position:relative;padding-left:34px;color:var(--text)}
.check-list li::before{
  content:'✓';position:absolute;left:0;top:1px;
  width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:.75rem;font-weight:700;color:#fff;background:var(--grad);
}

/* Panel card (reportes) */
.split-panel{position:relative}
.panel-card{
  background:var(--surface-grad);
  border:1px solid var(--border);border-radius:22px;padding:32px 30px;box-shadow:var(--shadow);
}
.report-list{list-style:none;display:flex;flex-direction:column;gap:14px;margin-top:18px}
.report-list li{
  font-size:.98rem;padding:12px 16px;border-radius:12px;
  background:var(--surface-soft);border:1px solid var(--border);
}

/* ===== Chat mock ===== */
.chat-mock{
  max-width:380px;margin:0 auto;
  background:var(--chat-grad);
  border:1px solid var(--border);border-radius:24px;overflow:hidden;box-shadow:var(--shadow);
}
.chat-head{display:flex;align-items:center;gap:12px;padding:16px 20px;background:rgba(56,182,255,.1);border-bottom:1px solid var(--border)}
.chat-avatar{width:40px;height:40px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-family:var(--font-head);font-weight:700;color:#fff}
.chat-head strong{display:block;font-family:var(--font-head);font-size:.98rem}
.chat-head small{color:#22a558;font-size:.78rem}
.chat-body{padding:20px;display:flex;flex-direction:column;gap:12px;background:radial-gradient(circle at 30% 10%,rgba(31,111,235,.08),transparent)}
.bubble{max-width:82%;padding:11px 15px;border-radius:16px;font-size:.92rem;line-height:1.45}
.bubble.in{align-self:flex-start;background:var(--bubble-in);border-bottom-left-radius:5px}
.bubble.out{align-self:flex-end;background:var(--grad);color:#fff;border-bottom-right-radius:5px}

/* ===== Valores (propuesta) ===== */
.value{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px 22px}
.value-num{font-family:var(--font-head);font-weight:800;font-size:1.6rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:10px}
.value h3{font-family:var(--font-head);font-weight:600;font-size:1.1rem;margin-bottom:8px}
.value p{color:var(--text-dim);font-size:.93rem}

/* ===== Misión / Visión ===== */
.mv-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:32px 30px}
.mv-card h3{font-family:var(--font-head);font-weight:700;font-size:1.35rem;margin-bottom:12px}
.mv-card p{color:var(--text-dim);font-size:1.02rem}
.values-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:40px}
.values-row span{
  font-family:var(--font-head);font-weight:500;font-size:.92rem;
  padding:9px 20px;border-radius:100px;border:1px solid var(--border);background:var(--card);color:var(--text)
}

/* ===== CTA ===== */
.cta-section{padding:70px 0 90px}
.cta-box{
  position:relative;text-align:center;overflow:hidden;
  background:var(--surface-grad-strong);
  border:1px solid var(--border);border-radius:28px;padding:60px 30px;box-shadow:var(--shadow);
}
.cta-glow{position:absolute;top:-40%;left:50%;transform:translateX(-50%);width:600px;height:400px;background:radial-gradient(circle,rgba(56,182,255,.25),transparent 60%);filter:blur(20px);z-index:0}
.cta-box>*{position:relative;z-index:1}
.cta-box>.cta-glow,.contact-card>.cta-glow{position:absolute;z-index:0}
.cta-box h2{font-family:var(--font-head);font-weight:700;font-size:clamp(1.7rem,4vw,2.6rem);line-height:1.15;max-width:640px;margin:0 auto 14px}
.cta-box>p{color:var(--text-dim);max-width:560px;margin:0 auto 32px;font-size:1.08rem}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-mail{margin-top:22px;color:var(--text-dim);font-size:.95rem}
.cta-mail a{color:var(--accent);font-weight:600}

/* ===== Power BI ===== */
.pbi-section{position:relative;overflow:hidden}
.pbi-glow{position:absolute;top:-20%;right:-10%;width:700px;height:600px;background:radial-gradient(circle,rgba(18,181,165,.18),transparent 62%);filter:blur(30px);z-index:-1}
.pbi-eyebrow{color:var(--teal)}
.pbi-grad{background:var(--pbi-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.pbi-stats{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-bottom:46px}
.pbi-stat{
  text-align:center;padding:22px 12px;border-radius:16px;
  background:var(--pbi-stat-bg);border:1px solid var(--border);
}
.pbi-stat strong{display:block;font-family:var(--font-head);font-weight:800;font-size:1.5rem;line-height:1.1;background:var(--pbi-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.pbi-stat span{display:block;font-size:.8rem;color:var(--text-dim);margin-top:8px}
.pbi-ico{background:var(--pbi-ico-grad)}
.pbi-cards{margin-bottom:44px}
.pbi-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.pbi-section .btn-primary{background:var(--pbi-grad);box-shadow:0 12px 30px -8px rgba(18,181,165,.5)}

/* Rutas top (barras) */
.route-list{display:flex;flex-direction:column;gap:16px;max-width:760px;margin:0 auto}
.route-item{display:grid;grid-template-columns:150px 1fr auto;gap:16px;align-items:center}
.route-name{font-family:var(--font-head);font-weight:600;font-size:.92rem}
.route-track{height:12px;border-radius:8px;background:var(--track-bg);overflow:hidden}
.route-fill{height:100%;border-radius:8px;background:var(--pbi-grad)}
.route-val{font-family:var(--font-head);font-weight:700;font-size:.95rem;color:var(--teal)}

/* Para quién / audiencia */
.audience{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.aud-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:30px 26px;text-align:center}
.aud-ico{width:60px;height:60px;margin:0 auto 16px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.7rem;background:var(--pbi-ico-grad);border:1px solid var(--border)}
.aud-card h3{font-family:var(--font-head);font-weight:600;font-size:1.2rem;margin-bottom:10px}
.aud-card p{color:var(--text-dim);font-size:.95rem}

/* Feature list (Power BI page) */
.pbi-feature{display:flex;gap:18px;padding:24px 0;border-bottom:1px solid var(--border)}
.pbi-feature:last-child{border-bottom:0}
.pbi-feature .pf-num{flex-shrink:0;font-family:var(--font-head);font-weight:800;font-size:1.4rem;background:var(--pbi-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.pbi-feature h3{font-family:var(--font-head);font-weight:600;font-size:1.2rem;margin-bottom:6px}
.pbi-feature p{color:var(--text-dim);font-size:.98rem}
.pbi-feature b{color:var(--text)}

/* Sub-hero para páginas internas */
.subhero{position:relative;padding:70px 0 40px;text-align:center;overflow:hidden}
.subhero .eyebrow{color:var(--teal)}
.subhero h1{font-family:var(--font-head);font-weight:800;font-size:clamp(2rem,5vw,3.2rem);line-height:1.1;letter-spacing:-.02em;margin-bottom:18px}
.subhero p{color:var(--text-dim);font-size:clamp(1rem,2vw,1.18rem);max-width:680px;margin:0 auto 30px}

/* ===== Contacto / Formulario ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:start}
.contact-info h2{font-family:var(--font-head);font-weight:700;font-size:clamp(1.7rem,3.6vw,2.4rem);line-height:1.15;letter-spacing:-.02em;margin-bottom:14px}
.contact-info>p{color:var(--text-dim);font-size:1.05rem;margin-bottom:30px}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:20px}
.contact-list li{display:flex;gap:16px;align-items:center}
.ci-ico{
  flex-shrink:0;width:48px;height:48px;border-radius:14px;font-size:1.3rem;
  display:flex;align-items:center;justify-content:center;
  background:var(--ico-grad);border:1px solid var(--border);
}
.contact-list strong{display:block;font-family:var(--font-head);font-size:.85rem;color:var(--text-dim);font-weight:500}
.contact-list a,.contact-list div>span{font-family:var(--font-head);font-weight:600;font-size:1.05rem;color:var(--text)}
.contact-list a:hover{color:var(--accent)}

.contact-card{
  position:relative;overflow:hidden;
  background:var(--surface-grad-strong);
  border:1px solid var(--border);border-radius:24px;padding:36px 32px;box-shadow:var(--shadow);
}
.contact-card>*{position:relative;z-index:1}
.contact-card h3{font-family:var(--font-head);font-weight:700;font-size:1.4rem;margin-bottom:22px}
.contact-form{display:flex;flex-direction:column;gap:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form label{display:flex;flex-direction:column;gap:7px;font-size:.85rem;font-weight:500;color:var(--text-dim);font-family:var(--font-head)}
.contact-form input,.contact-form textarea,.contact-form select{
  font-family:var(--font);font-size:.98rem;color:var(--text);
  background:var(--input-bg);border:1px solid var(--border);border-radius:12px;padding:12px 14px;
  transition:border-color .2s,box-shadow .2s,background .3s;resize:vertical;width:100%;
}
.contact-form select{
  appearance:none;-webkit-appearance:none;cursor:pointer;
  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='%2338b6ff' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;
}
.contact-form select option{background:var(--option-bg);color:var(--text)}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:var(--placeholder)}
.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,182,255,.15);
}
.contact-form .req{color:#e0525b}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form-submit{width:100%;margin-top:6px}
.form-note{font-size:.92rem;text-align:center;margin-top:4px;min-height:1px}
.form-note.ok{color:#1f9d57}
.form-note.err{color:#e0525b}

/* ===== Footer ===== */
.site-footer{background:var(--footer-bg);border-top:1px solid var(--border);padding-top:56px;transition:background .3s}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand .brand-logo{height:40px;margin-bottom:16px}
.footer-brand p{color:var(--text-dim);font-size:.92rem;max-width:300px}
.footer-col h4{font-family:var(--font-head);font-size:.95rem;font-weight:600;margin-bottom:16px;color:var(--text)}
.footer-col a,.footer-col span{display:block;color:var(--text-dim);font-size:.92rem;margin-bottom:11px;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid var(--border);padding:20px 0}
.footer-bottom span{color:var(--text-dim);font-size:.85rem}

/* ===== WhatsApp floating ===== */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:60;
  width:58px;height:58px;border-radius:50%;
  background:#25d366;color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 30px -6px rgba(37,211,102,.6);
  transition:transform .2s;
}
.wa-float:hover{transform:scale(1.08)}

/* ===== Responsive ===== */
@media(max-width:900px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:36px}
  .split.reverse .split-text{order:0}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .pbi-stats{grid-template-columns:repeat(3,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .main-nav{
    position:absolute;top:74px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--nav-mobile-bg);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border);
    max-height:0;overflow:hidden;transition:max-height .3s ease;margin-left:0;
  }
  .main-nav.open{max-height:320px}
  .main-nav a{padding:15px 22px;width:100%;border-bottom:1px solid var(--border)}
  .main-nav a::after{display:none}
  .btn-header{display:none}
  .theme-toggle{margin-left:auto}
  .nav-toggle{display:flex}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .pbi-stats{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
  .hero-stats{gap:24px}
  .section{padding:64px 0}
}
@media(max-width:420px){
  .footer-inner{grid-template-columns:1fr}
}