/* =========================================================
   GRUPO 3ES — Solar Premium Dark
   Design tokens
   ========================================================= */
:root {
  --bg: #0A0E17;
  --bg-2: #0E1422;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.18);

  --text: #F4F7FB;
  --text-muted: #9AA7BD;
  --text-dim: #6B7890;

  --amber: #FFB200;
  --orange: #FF6A00;
  --orange-deep: #FF4D00;
  --green: #10B981;
  --green-bright: #34D399;

  --grad-solar: linear-gradient(135deg, #FFB200 0%, #FF6A00 55%, #FF4D00 100%);
  --grad-text: linear-gradient(100deg, #FFC542 0%, #FF7A1A 50%, #34D399 120%);
  --glow-amber: 0 0 40px rgba(255, 138, 0, 0.35);

  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 26px;
  --maxw: 1180px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
  --shadow-soft: 0 8px 30px -12px rgba(0, 0, 0, 0.5);

  --ease: cubic-bezier(.22, 1, .36, 1);
}

/* =========================================================
   Reset & base
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(900px 600px at 80% -5%, rgba(255, 106, 0, 0.10), transparent 60%),
    radial-gradient(800px 600px at 0% 12%, rgba(16, 185, 129, 0.08), transparent 55%);
  background-attachment: fixed;
}

h1, h2, h3, h4 { font-family: 'Sora', system-ui, sans-serif; line-height: 1.12; letter-spacing: -0.02em; font-weight: 700; }
a { color: inherit; text-decoration: none; }
img, svg, canvas { display: block; max-width: 100%; }
ul { list-style: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 1000;
  background: var(--amber); color: #1a1100; padding: 10px 16px; border-radius: 10px; font-weight: 600;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }

:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; border-radius: 6px; }

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: 'Sora', sans-serif; font-weight: 600; font-size: 15px;
  padding: 12px 22px; border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
  white-space: nowrap; text-align: center;
}
.btn-lg { padding: 15px 28px; font-size: 16px; }
.btn-block { width: 100%; }
.btn:active { transform: scale(.97); }

.btn-primary { background: var(--grad-solar); color: #1d1300; box-shadow: var(--glow-amber); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(255, 106, 0, .45); }

.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--border-strong); backdrop-filter: blur(10px); }
.btn-ghost:hover { background: var(--surface-2); transform: translateY(-2px); }

.btn-whats { background: #25D366; color: #052b14; box-shadow: 0 0 30px rgba(37, 211, 102, .35); }
.btn-whats:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(37, 211, 102, .45); }

.btn-spinner { display: none; width: 18px; height: 18px; border: 2.5px solid rgba(0,0,0,.25); border-top-color: #1d1300; border-radius: 50%; animation: spin .7s linear infinite; }
.btn.loading .btn-label { opacity: .6; }
.btn.loading .btn-spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* =========================================================
   Glass card
   ========================================================= */
.glass-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  box-shadow: var(--shadow-soft);
  position: relative;
}

/* =========================================================
   Header / Nav
   ========================================================= */
.site-header {
  position: sticky; top: 0; z-index: 100;
  transition: background .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(10, 14, 23, 0.78);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: var(--border);
  box-shadow: 0 8px 30px -18px rgba(0,0,0,.8);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-logo { height: 54px; width: auto; display: block; filter: drop-shadow(0 4px 14px rgba(0,0,0,.45)); transition: transform .25s var(--ease); }
.brand-logo:hover { transform: scale(1.04); }
.brand-logo-footer { height: 66px; }
@media (max-width: 560px) { .brand-logo { height: 46px; } }
.brand-mark { filter: drop-shadow(0 0 10px rgba(255,138,0,.5)); flex-shrink: 0; }
.brand-text { font-family: 'Sora', sans-serif; font-weight: 600; font-size: 21px; letter-spacing: -.02em; }
.brand-text strong { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a { padding: 9px 14px; border-radius: 999px; font-size: 14.5px; font-weight: 500; color: var(--text-muted); transition: color .2s, background .2s; }
.main-nav a:hover { color: var(--text); background: var(--surface); }
.main-nav .nav-cta { background: var(--grad-solar); color: #1d1300; font-weight: 600; margin-left: 6px; box-shadow: var(--glow-amber); }
.main-nav .nav-cta:hover { color: #1d1300; transform: translateY(-1px); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 26px; height: 2.5px; background: var(--text); border-radius: 2px; transition: transform .3s var(--ease), opacity .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* =========================================================
   Hero
   ========================================================= */
.hero { position: relative; padding: 70px 0 90px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .55; }
.orb-1 { width: 460px; height: 460px; background: radial-gradient(circle, rgba(255,138,0,.6), transparent 70%); top: -120px; right: -80px; animation: float 14s ease-in-out infinite; }
.orb-2 { width: 380px; height: 380px; background: radial-gradient(circle, rgba(16,185,129,.45), transparent 70%); bottom: -120px; left: -100px; animation: float 18s ease-in-out infinite reverse; }
.grid-overlay { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: 54px 54px; mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 75%); }
@keyframes float { 0%,100% { transform: translate(0,0); } 50% { transform: translate(20px, 30px); } }

.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }

.eyebrow { display: inline-flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 600; letter-spacing: .02em; color: var(--text-muted); background: var(--surface); border: 1px solid var(--border); padding: 7px 14px; border-radius: 999px; margin-bottom: 22px; }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green-bright); box-shadow: 0 0 10px var(--green-bright); }

.hero-copy h1 { font-size: clamp(2.3rem, 5.2vw, 3.85rem); font-weight: 800; margin-bottom: 20px; }
.hero-sub { font-size: clamp(1rem, 1.6vw, 1.18rem); color: var(--text-muted); max-width: 560px; margin-bottom: 30px; }
.hero-sub strong { color: var(--text); }

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }

.hero-trust { display: flex; gap: 34px; flex-wrap: wrap; }
.trust-item { display: flex; flex-direction: column; }
.trust-item .num { font-family: 'Sora', sans-serif; font-size: 2rem; font-weight: 700; line-height: 1; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; font-variant-numeric: tabular-nums; }
.trust-item .lbl { font-size: 13.5px; color: var(--text-muted); margin-top: 6px; }

/* Hero visual */
.hero-visual { position: relative; }
.hero-panel { padding: 26px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.panel-title { font-size: 14px; color: var(--text-muted); font-weight: 500; }
.badge-live { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--green-bright); font-weight: 600; }
.badge-live .pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--green-bright); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; box-shadow: 0 0 0 0 rgba(52,211,153,.5);} 50% { opacity: .6; box-shadow: 0 0 0 6px rgba(52,211,153,0);} }
.panel-big { font-family: 'Sora', sans-serif; font-size: 2.6rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.panel-mo { font-size: 1rem; color: var(--text-muted); font-weight: 500; margin-left: 4px; }
.mini-chart { margin: 10px 0 18px; }
.panel-foot { display: flex; gap: 14px; border-top: 1px solid var(--border); padding-top: 16px; }
.panel-foot > div { display: flex; flex-direction: column; }
.pf-num { font-family: 'Sora', sans-serif; font-size: 1.4rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.pf-lbl { font-size: 12px; color: var(--text-muted); }

.floating-chip { position: absolute; display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 600; padding: 9px 14px; border-radius: 999px; background: rgba(14,20,34,.85); border: 1px solid var(--border-strong); backdrop-filter: blur(10px); box-shadow: var(--shadow); }
.chip-1 { top: 6px; left: -22px; animation: float 9s ease-in-out infinite; }
.chip-2 { bottom: 20px; right: -18px; animation: float 11s ease-in-out infinite reverse; }

/* =========================================================
   Partners
   ========================================================= */
.partners { padding: 22px 0 6px; }
.partners-label { text-align: center; font-size: 13px; color: var(--text-dim); letter-spacing: .04em; text-transform: uppercase; margin-bottom: 18px; }
.partners-row { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 18px 44px; }
.partner { font-family: 'Sora', sans-serif; font-weight: 700; font-size: 1.25rem; color: var(--text-dim); opacity: .8; transition: color .25s, opacity .25s; letter-spacing: -.01em; }
.partner:hover { color: var(--text); opacity: 1; }

/* =========================================================
   Sections
   ========================================================= */
.section { padding: 92px 0; position: relative; }
.section-alt { background: linear-gradient(180deg, transparent, rgba(255,255,255,.018), transparent); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.kicker { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--orange); margin-bottom: 14px; }
.section-head h2 { font-size: clamp(1.9rem, 3.8vw, 2.8rem); font-weight: 800; margin-bottom: 14px; }
.section-head p { color: var(--text-muted); font-size: 1.05rem; }

/* =========================================================
   Service cards
   ========================================================= */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card { padding: 32px 28px; display: flex; flex-direction: column; transition: transform .3s var(--ease), border-color .3s; }
.service-card:hover { transform: translateY(-6px); border-color: var(--border-strong); }
.service-card.featured { border-color: rgba(255,138,0,.4); box-shadow: 0 20px 60px -28px rgba(255,106,0,.5); }
.card-badge { position: absolute; top: -12px; left: 28px; background: var(--grad-solar); color: #1d1300; font-size: 11.5px; font-weight: 700; padding: 5px 12px; border-radius: 999px; }
.svc-icon { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; margin-bottom: 20px; border: 1px solid var(--border); }
.icon-solar { color: var(--amber); background: radial-gradient(circle at 30% 30%, rgba(255,178,0,.22), transparent); }
.icon-acl { color: var(--green-bright); background: radial-gradient(circle at 30% 30%, rgba(52,211,153,.2), transparent); }
.icon-fin { color: #7CB8FF; background: radial-gradient(circle at 30% 30%, rgba(124,184,255,.2), transparent); }
.service-card h3 { font-size: 1.32rem; margin-bottom: 10px; }
.service-card > p { color: var(--text-muted); font-size: .96rem; margin-bottom: 18px; }
.svc-list { display: flex; flex-direction: column; gap: 9px; margin-bottom: 22px; }
.svc-list li { position: relative; padding-left: 26px; font-size: .92rem; color: var(--text); }
.svc-list li::before { content: ""; position: absolute; left: 0; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: var(--grad-solar); mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/contain no-repeat; }
.card-link { margin-top: auto; font-family: 'Sora', sans-serif; font-weight: 600; font-size: .95rem; color: var(--amber); transition: gap .2s, color .2s; }
.card-link:hover { color: var(--green-bright); }

/* =========================================================
   Charts
   ========================================================= */
.charts-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.chart-card { padding: 26px; }
.chart-wide { grid-column: 1 / -1; }
.chart-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 4px; }
.chart-head h3 { font-size: 1.18rem; }
.chart-tag { font-size: 12px; font-weight: 600; color: var(--text-muted); background: var(--surface-2); border: 1px solid var(--border); padding: 4px 11px; border-radius: 999px; white-space: nowrap; }
.chart-desc { font-size: .9rem; color: var(--text-muted); margin-bottom: 16px; }
.chart-box { position: relative; height: 280px; }
.env-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: center; }
.env-chart { position: relative; height: 300px; }
.env-stats { display: flex; flex-direction: column; gap: 22px; }
.env-stat { display: flex; flex-direction: column; }
.env-num { font-family: 'Sora', sans-serif; font-size: 2.4rem; font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums; }
.env-lbl { font-size: .95rem; color: var(--text-muted); margin-top: 6px; }
.charts-note { text-align: center; font-size: 12.5px; color: var(--text-dim); margin-top: 28px; max-width: 760px; margin-inline: auto; }

/* =========================================================
   Steps
   ========================================================= */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step { padding: 30px 26px; transition: transform .3s var(--ease), border-color .3s; }
.step:hover { transform: translateY(-5px); border-color: var(--border-strong); }
.step-num { font-family: 'Sora', sans-serif; font-size: 2.4rem; font-weight: 800; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; display: block; margin-bottom: 10px; }
.step h3 { font-size: 1.15rem; margin-bottom: 8px; }
.step p { font-size: .92rem; color: var(--text-muted); }

/* =========================================================
   About
   ========================================================= */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 54px; align-items: center; }
.about-copy h2 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); margin-bottom: 18px; }
.about-copy > p { color: var(--text-muted); margin-bottom: 14px; font-size: 1.02rem; }
.about-copy > p strong { color: var(--text); }
.values { display: flex; flex-direction: column; gap: 18px; margin-top: 28px; }
.value { display: flex; gap: 16px; align-items: flex-start; }
.value-ic { flex-shrink: 0; width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; color: var(--amber); background: var(--surface); border: 1px solid var(--border); }
.value h3 { font-size: 1.08rem; margin-bottom: 3px; }
.value p { font-size: .92rem; color: var(--text-muted); }

.about-visual { position: relative; }
.ceo-card { padding: 32px; }
.ceo-avatar { width: 64px; height: 64px; border-radius: 50%; background: var(--grad-solar); color: #1d1300; display: grid; place-items: center; font-family: 'Sora', sans-serif; font-weight: 800; font-size: 1.3rem; margin-bottom: 20px; box-shadow: var(--glow-amber); }
.ceo-card blockquote { font-size: 1.12rem; line-height: 1.6; font-weight: 500; margin-bottom: 20px; }
.ceo-card cite { font-style: normal; font-family: 'Sora', sans-serif; font-weight: 700; display: flex; flex-direction: column; }
.ceo-card cite span { font-family: 'Inter'; font-weight: 400; font-size: .88rem; color: var(--text-muted); margin-top: 3px; }
.mini-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.mini-stat { padding: 20px; text-align: center; }
.ms-num { font-family: 'Sora', sans-serif; font-size: 1.9rem; font-weight: 800; display: block; font-variant-numeric: tabular-nums; }
.mini-stat span:last-child { font-size: .85rem; color: var(--text-muted); }

/* =========================================================
   Differentials
   ========================================================= */
.diff-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.diff { padding: 28px 24px; transition: transform .3s var(--ease), border-color .3s; }
.diff:hover { transform: translateY(-5px); border-color: var(--border-strong); }
.diff h3 { font-size: 1.12rem; margin-bottom: 8px; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.diff p { font-size: .92rem; color: var(--text-muted); }

/* =========================================================
   Testimonials
   ========================================================= */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testi { padding: 30px 28px; }
.stars { color: var(--amber); font-size: 1.1rem; letter-spacing: 2px; margin-bottom: 14px; }
.testi blockquote { font-size: 1rem; line-height: 1.6; margin-bottom: 18px; }
.testi figcaption { display: flex; flex-direction: column; }
.t-name { font-family: 'Sora', sans-serif; font-weight: 600; }
.t-role { font-size: .85rem; color: var(--text-muted); }

/* =========================================================
   FAQ
   ========================================================= */
.faq-wrap { max-width: 820px; }
.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq-item { padding: 0 24px; overflow: hidden; transition: border-color .25s; }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 0; font-family: 'Sora', sans-serif; font-weight: 600; font-size: 1.05rem; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-ic { position: relative; flex-shrink: 0; width: 22px; height: 22px; }
.faq-ic::before, .faq-ic::after { content: ""; position: absolute; background: var(--amber); border-radius: 2px; transition: transform .3s var(--ease); }
.faq-ic::before { top: 10px; left: 2px; width: 18px; height: 2.5px; }
.faq-ic::after { left: 9.7px; top: 2px; width: 2.5px; height: 18px; }
.faq-item[open] .faq-ic::after { transform: rotate(90deg) scaleX(0); }
.faq-item[open] { border-color: var(--border-strong); }
.faq-item p { padding: 0 0 22px; color: var(--text-muted); font-size: .98rem; max-width: 92%; }
.faq-item p strong { color: var(--text); }

/* =========================================================
   Contact
   ========================================================= */
.section-cta { background: radial-gradient(900px 500px at 80% 0%, rgba(255,106,0,.08), transparent 60%); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-copy h2 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); margin-bottom: 14px; }
.contact-copy > p { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 28px; }
.contact-actions { display: flex; flex-direction: column; gap: 12px; max-width: 340px; margin-bottom: 26px; }
.contact-perks { display: flex; flex-direction: column; gap: 10px; }
.contact-perks li { color: var(--text-muted); }

.contact-form { padding: 32px; }
.contact-form h3 { font-size: 1.35rem; margin-bottom: 20px; }
.field { margin-bottom: 16px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label { display: block; font-size: .88rem; font-weight: 500; margin-bottom: 7px; color: var(--text); }
.field label span { color: var(--orange); }
.field input, .field select, .field textarea {
  width: 100%; background: rgba(10,14,23,.55); border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  padding: 12px 14px; color: var(--text); font-family: inherit; font-size: 15px; transition: border-color .2s, box-shadow .2s; min-height: 46px;
}
.field textarea { resize: vertical; min-height: 84px; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-dim); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--amber); box-shadow: 0 0 0 3px rgba(255,178,0,.18); }
.field select { 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='%239AA7BD' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.field.invalid input, .field.invalid select { border-color: #ff5a5a; box-shadow: 0 0 0 3px rgba(255,90,90,.15); }
.err { display: block; color: #ff7a7a; font-size: .8rem; margin-top: 5px; min-height: 1px; }
.form-note { margin-top: 14px; font-size: .92rem; text-align: center; }
.form-note.ok { color: var(--green-bright); }
.form-note.bad { color: #ff7a7a; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer { border-top: 1px solid var(--border); padding: 60px 0 28px; background: var(--bg-2); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p { color: var(--text-muted); font-size: .94rem; max-width: 320px; margin-bottom: 18px; }
.socials { display: flex; gap: 12px; }
.socials a { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: var(--surface); border: 1px solid var(--border); color: var(--text-muted); transition: color .2s, border-color .2s, transform .2s; }
.socials a:hover { color: var(--amber); border-color: var(--border-strong); transform: translateY(-2px); }
.footer-col h4 { font-size: 1rem; margin-bottom: 16px; }
.footer-col a, .footer-col span { display: block; color: var(--text-muted); font-size: .92rem; margin-bottom: 10px; transition: color .2s; }
.footer-col a:hover { color: var(--amber); }
.muted { color: var(--text-dim) !important; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; border-top: 1px solid var(--border); padding-top: 24px; font-size: .86rem; color: var(--text-muted); }

/* =========================================================
   To-top
   ========================================================= */
.to-top { position: fixed; right: 22px; bottom: 22px; width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; background: var(--grad-solar); color: #1d1300; box-shadow: var(--glow-amber); z-index: 90; opacity: 0; visibility: hidden; transform: translateY(12px); transition: opacity .3s, transform .3s, visibility .3s; }
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { transform: translateY(-3px); }

/* =========================================================
   Reveal animation
   ========================================================= */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* =========================================================
   Legal page (Política de Privacidade)
   ========================================================= */
.legal-hero { padding: 64px 0 24px; position: relative; }
.legal-hero .container { max-width: 860px; }
.breadcrumb { font-size: .85rem; color: var(--text-muted); margin-bottom: 16px; }
.breadcrumb a { color: var(--amber); }
.legal-hero h1 { font-size: clamp(2rem, 4.5vw, 2.8rem); margin-bottom: 10px; }
.legal-hero .lead { color: var(--text-muted); }
.legal-body { padding: 24px 0 80px; }
.legal-body .container { max-width: 860px; }
.legal-card { padding: clamp(24px, 4vw, 48px); }
.legal-card h2 { font-size: 1.25rem; margin: 34px 0 12px; padding-top: 8px; }
.legal-card h2:first-of-type { margin-top: 0; }
.legal-card h2 .legal-num { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; margin-right: 6px; }
.legal-card p { color: var(--text-muted); margin-bottom: 14px; }
.legal-card a { color: var(--amber); word-break: break-word; }
.legal-card strong { color: var(--text); }
.legal-card ul { margin: 0 0 16px; padding-left: 4px; display: flex; flex-direction: column; gap: 9px; }
.legal-card ul li { position: relative; padding-left: 24px; color: var(--text-muted); }
.legal-card ul li::before { content: ""; position: absolute; left: 0; top: 9px; width: 8px; height: 8px; border-radius: 50%; background: var(--grad-solar); }
.legal-updated { font-size: .85rem; color: var(--text-dim); border-top: 1px solid var(--border); margin-top: 32px; padding-top: 20px; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { max-width: 460px; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .cards-grid, .testi-grid { grid-template-columns: 1fr; }
  .steps, .diff-grid { grid-template-columns: 1fr 1fr; }
  .charts-grid { grid-template-columns: 1fr; }
  .env-grid { grid-template-columns: 1fr; }
  .env-chart { height: 240px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }

  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; inset: 72px 0 auto; flex-direction: column; align-items: stretch; gap: 4px;
    background: rgba(10,14,23,.97); backdrop-filter: blur(20px); padding: 18px 24px 26px;
    border-bottom: 1px solid var(--border); transform: translateY(-130%); transition: transform .35s var(--ease);
    max-height: calc(100dvh - 72px); overflow-y: auto;
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav a { padding: 13px 14px; font-size: 16px; }
  .main-nav .nav-cta { margin: 8px 0 0; text-align: center; }
}

@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .section { padding: 64px 0; }
  .hero { padding: 40px 0 64px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-trust { gap: 22px; }
  .trust-item .num { font-size: 1.7rem; }
  .steps, .diff-grid, .field-row { grid-template-columns: 1fr; }
  .floating-chip { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .chart-box { height: 240px; }
  .contact-actions { max-width: none; }
}