/* ===== Tokens ===== */
:root {
  --cream: #FAF7EE;
  --cream-alt: #F1EEDF;
  --green-50: #EEF3E2;
  --green-100: #DCEAC6;
  --green-300: #A9CB8D;
  --green-500: #6FA85B;
  --green-600: #558247;
  --green-700: #3E6236;
  --ink: #223022;
  --ink-soft: #52604D;
  --accent: #4B8B3B;
  --accent-dark: #386B2C;
  --white: #FFFFFF;
  --border: #E1DCC7;
  --shadow: 0 10px 30px rgba(63, 82, 51, 0.08);
  --radius: 16px;
  --font-head: 'Poppins', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.55;
}

h1, h2, h3, h4 { font-family: var(--font-head); color: var(--green-700); margin: 0 0 .5em; line-height: 1.2; }
p { margin: 0 0 1em; color: var(--ink-soft); }
a { color: var(--green-600); text-decoration: none; }
a:hover { color: var(--green-700); }
img { max-width: 100%; display: block; }

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--green-700);
  color: #fff;
  padding: 10px 16px;
  z-index: 1000;
}
.skip-link:focus { left: 10px; top: 10px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  border-color: var(--green-500);
  color: var(--green-700);
}
.btn-ghost:hover { background: var(--green-50); }
.btn-small { padding: 8px 16px; font-size: .9rem; }
.btn-large { padding: 14px 28px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(250, 247, 238, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--green-700);
}
.logo strong { font-weight: 800; }
.logo-img { height: 44px; width: auto; }

.main-nav {
  display: flex;
  gap: 24px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  color: var(--ink);
  font-weight: 500;
  font-size: .95rem;
}
.main-nav a:hover { color: var(--green-700); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.phone-link {
  font-weight: 600;
  color: var(--green-700);
  font-size: .95rem;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--green-700);
  border-radius: 2px;
}

/* ===== Hero ===== */
.hero {
  padding: 64px 0 40px;
  background: linear-gradient(180deg, var(--green-50) 0%, var(--cream) 100%);
}
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: 48px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  background: var(--green-100);
  color: var(--green-700);
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.hero-text h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 18px;
}
.hero-sub {
  font-size: 1.08rem;
  max-width: 46ch;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 24px 0;
}
.trust-badges {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  font-size: .92rem;
  color: var(--ink-soft);
  font-weight: 500;
}
.trust-badges--column { flex-direction: column; gap: 8px; }
.trust-badges li { display: flex; align-items: center; gap: 8px; }
.trust-badges i { color: var(--accent); font-size: 1.05rem; }

.hero-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  border: 1px solid var(--border);
}
.mini-form-title {
  font-size: .85rem;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.mini-form-title--accent { color: var(--green-700); margin-top: 20px; }
.mini-bar {
  height: 14px;
  border-radius: 999px;
  background: var(--cream-alt);
  overflow: hidden;
  margin-bottom: 4px;
}
.mini-bar span {
  display: block;
  height: 100%;
  background: #D8A6A6;
  border-radius: 999px;
}
.mini-bar--accent span { background: var(--green-500); }
.mini-savings {
  margin-top: 20px;
  font-size: 1rem;
  color: var(--ink);
}
.mini-savings strong { color: var(--accent-dark); font-size: 1.2rem; }

/* ===== Sections ===== */
.section { padding: 72px 0; }
.section-alt { background: var(--green-50); }
.section-title {
  text-align: center;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
}
.section-title--left { text-align: left; }
.section-sub {
  text-align: center;
  max-width: 60ch;
  margin: 0 auto 40px;
  font-size: 1.05rem;
}
.section-sub--left { text-align: left; margin: 0 0 24px; }

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}
.step {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: left;
}
.step-num {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--green-500);
  color: #fff;
  font-family: var(--font-head);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { font-size: .93rem; margin: 0; }

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
  transition: transform .15s ease, box-shadow .15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card-icon { font-size: 1.8rem; margin-bottom: 12px; color: var(--green-600); }
.card h3 { font-size: 1.05rem; }
.card p { font-size: .93rem; margin: 0; }
.cards-grid .card:last-child {
  grid-column: 1 / -1;
  max-width: 380px;
  margin: 0 auto;
  text-align: center;
}

/* Calculadora */
.calc-container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}
.calc-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}
.calc-label {
  display: block;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--ink);
}
.calc-label strong { color: var(--green-700); }
input[type="range"] {
  width: 100%;
  accent-color: var(--green-600);
  margin-bottom: 24px;
}
.calc-result {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  background: var(--green-50);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 20px;
}
.calc-result-label {
  display: block;
  font-size: .82rem;
  color: var(--ink-soft);
  margin-bottom: 4px;
}
.calc-result-value {
  display: block;
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--green-700);
}
.calc-result-value--accent { color: var(--accent-dark); }
.calc-disclaimer {
  font-size: .78rem;
  color: var(--ink-soft);
  margin: 12px 0 0;
  text-align: center;
}

/* Formulario */
.section-form { background: var(--green-50); }
.form-container {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 48px;
  align-items: start;
}
.lead-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.form-row { margin-bottom: 18px; }
.form-row--split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
}
.form-row label {
  display: block;
  font-weight: 600;
  font-size: .9rem;
  margin-bottom: 6px;
  color: var(--ink);
}
.form-row input[type="text"],
.form-row input[type="tel"],
.form-row input[type="email"],
.form-row input[type="number"],
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: .98rem;
  background: var(--cream);
  color: var(--ink);
}
.form-row input:focus,
.form-row textarea:focus {
  outline: 2px solid var(--green-500);
  outline-offset: 1px;
  background: var(--white);
}
.form-hint {
  font-size: .82rem;
  color: var(--ink-soft);
  margin: 8px 0 0;
}
.form-hint a { font-weight: 600; white-space: nowrap; }
.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.form-row--checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .85rem;
  color: var(--ink-soft);
}
.form-row--checkbox input { margin-top: 3px; }
.form-note {
  min-height: 1.2em;
  margin: 12px 0 0;
  font-size: .9rem;
  text-align: center;
  font-weight: 600;
}
.form-note.success { color: var(--green-700); }
.form-note.error { color: #b3402a; }

/* FAQ */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 18px 4px;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}
.faq-icon {
  font-size: 1.3rem;
  color: var(--green-600);
  transition: transform .2s ease;
}
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease;
}
.faq-answer p { padding: 0 4px 18px; margin: 0; font-size: .95rem; }

/* Footer */
.site-footer {
  background: var(--green-700);
  color: #E7EEDF;
  padding-top: 48px;
}
.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  padding-bottom: 32px;
}
.logo--footer { color: #fff; }
.logo--footer:hover { color: var(--green-100); }
.footer-brand p { color: #CBDAB9; font-size: .92rem; }
.social-links { display: flex; gap: 14px; margin-top: 16px; }
.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 1.1rem;
}
.social-links a:hover { background: rgba(255, 255, 255, 0.25); color: #fff; }
.footer-col h4 { color: #fff; font-size: .95rem; margin-bottom: 12px; }
.footer-col p { margin: 0 0 8px; }
.footer-col a { color: #CBDAB9; font-size: .92rem; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.15);
  padding: 16px 0;
  font-size: .82rem;
  color: #B7C7A4;
}

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  bottom: 22px;
  right: 22px;
  width: 56px;
  height: 56px;
  background: var(--green-600);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 8px 20px rgba(0,0,0,.2);
  z-index: 400;
}
.whatsapp-float:hover { background: var(--green-700); }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .hero-inner, .calc-container, .form-container { grid-template-columns: minmax(0, 1fr); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cards-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-inner { grid-template-columns: 1fr; }
  .phone-link { display: none; }

  .site-header.nav-open .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--cream);
    padding: 20px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
  }
}

@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: 1fr; }
  .form-row--split { grid-template-columns: 1fr; }
  .hero { padding: 40px 0 32px; }
  .section { padding: 52px 0; }
}