:root {
  --paper: #1B2A4A;
  --paper-deep: #233655;
  --ink: #F4F2EA;
  --ink-soft: #B9C2D4;
  --ink-faint: #7E8AA0;
  --sage: #9CAE78;
  --sage-deep: #7C8B5D;
  --sage-soft: #B9C79C;
  --green: #9CAE78;
  --rule: rgba(244, 242, 234, 0.14);

  --font-display: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-body: 'Helvetica Neue', Helvetica, Arial, sans-serif;

  --radius: 6px;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* (background kept clean per brand — no texture overlay) */

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding-left: clamp(20px, 6vw, 48px);
  padding-right: clamp(20px, 6vw, 48px);
  position: relative;
  z-index: 1;
}

a { color: inherit; text-decoration: none; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(27, 42, 74, 0.88);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--rule);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.logo {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.logo-rodri {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.logo-divider {
  width: 1px;
  height: 16px;
  background: var(--rule);
  align-self: center;
}
.logo-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sage);
}
.main-nav {
  display: flex;
  gap: 28px;
  font-size: 0.92rem;
  font-weight: 500;
}
.main-nav a { opacity: 0.78; transition: opacity 0.15s ease; }
.main-nav a:hover { opacity: 1; }

.lang-toggle {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: none;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
  color: var(--ink);
  display: flex;
  gap: 6px;
  align-items: center;
}
.lang-opt { opacity: 0.4; }
.lang-opt.active { opacity: 1; font-weight: 600; color: var(--sage); }
.lang-sep { opacity: 0.4; }

@media (max-width: 760px) {
  .header-inner { flex-wrap: wrap; gap: 12px; }
  .main-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
    font-size: 0.85rem;
  }
}

/* ---------- Hero ---------- */
.hero {
  padding-top: 140px;
  padding-bottom: 110px;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 18px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.08;
  font-weight: 700;
  margin: 0 0 24px;
  letter-spacing: -0.01em;
}
.ledger-underline {
  position: relative;
  display: inline-block;
}
.ledger-underline::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 4px;
  height: 10px;
  background: var(--sage-soft);
  opacity: 0.3;
  z-index: -1;
  border-radius: 2px;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 560px;
  margin: 0 0 36px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }

.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: var(--radius);
  display: inline-block;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(27,42,65,0.25); }
.btn-ghost {
  border: 1.5px solid var(--ink);
  color: var(--ink);
}
.btn-ghost:hover { background: rgba(244,242,234,0.06); }

.hero-stamp {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  letter-spacing: 0.03em;
}

/* ---------- Section shared ---------- */
section { padding: 160px 0; border-top: 1px solid var(--rule); }
section:first-of-type { border-top: none; }
@media (max-width: 640px) {
  section { padding: 90px 0; }
  .hero { padding-top: 90px; padding-bottom: 70px; }
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 600;
  margin: 0 0 18px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.tag-no {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--sage);
  font-weight: 500;
}
.section-lede {
  color: var(--ink-soft);
  font-size: 1.02rem;
  max-width: 620px;
  margin: 0 0 64px;
}

/* ---------- Tiers ---------- */
.tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 28px;
}
.tier-card {
  background: var(--paper-deep);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
}
.tier-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0 0 6px;
}
.tier-featured {
  border: 1.5px solid var(--sage);
  background: #2A3F58;
}
.tier-flag {
  position: absolute;
  top: -12px;
  left: 24px;
  background: var(--sage);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}
.tier-price {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 600;
  margin: 8px 0 4px;
  font-feature-settings: "tnum";
}
.tier-price .per { font-size: 1rem; color: var(--ink-faint); font-weight: 400; }
.tier-for { font-size: 0.88rem; color: var(--ink-soft); margin: 0 0 18px; }
.tier-card ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.tier-card li {
  font-size: 0.92rem;
  padding-left: 20px;
  position: relative;
}
.tier-card li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--sage);
}
.tier-footnote {
  margin-top: 28px;
  font-size: 0.88rem;
  color: var(--ink-faint);
  font-style: italic;
}

/* ---------- Calculator ---------- */
.calc-card {
  background: var(--paper-deep);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 44px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 44px;
}
@media (max-width: 720px) {
  .calc-card { grid-template-columns: 1fr; }
}
.calc-inputs { display: flex; flex-direction: column; gap: 18px; }
.calc-inputs label { display: flex; flex-direction: column; gap: 6px; font-size: 0.88rem; font-weight: 500; color: var(--ink-soft); }
.input-money {
  display: flex;
  align-items: center;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--paper);
  overflow: hidden;
}
.input-money span {
  font-family: var(--font-mono);
  padding: 0 12px;
  color: var(--ink-faint);
}
.input-money input {
  flex: 1;
  border: none;
  background: none;
  padding: 12px 12px 12px 0;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--ink);
  outline: none;
}

.calc-result {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  border-left: 1px dashed var(--rule);
  padding-left: 36px;
}
@media (max-width: 720px) {
  .calc-result { border-left: none; border-top: 1px dashed var(--rule); padding-left: 0; padding-top: 24px; }
}
.result-row { display: flex; justify-content: space-between; align-items: baseline; font-size: 0.95rem; color: var(--ink-soft); }
.result-num {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--ink);
}
.result-row-margin .result-num { color: var(--green); }
.margin-bar-track {
  height: 8px;
  background: var(--rule);
  border-radius: 999px;
  overflow: hidden;
}
.margin-bar-fill {
  height: 100%;
  background: var(--green);
  width: 0%;
  transition: width 0.4s ease, background 0.4s ease;
  border-radius: 999px;
}
.calc-note { font-size: 0.82rem; color: var(--ink-faint); margin: 4px 0 0; }

/* ---------- Why grid ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px 56px;
}
@media (max-width: 640px) {
  .why-grid { grid-template-columns: 1fr; gap: 36px; }
}
.why-item h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 8px;
}
.why-item p { font-size: 0.92rem; color: var(--ink-soft); margin: 0; }

/* ---------- Areas ---------- */
.area-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.area-tags span {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 7px 14px;
  color: var(--ink-soft);
}

/* ---------- Contact ---------- */
.contact-form { display: flex; flex-direction: column; gap: 24px; max-width: 640px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; gap: 20px; } }
.contact-form label { display: flex; flex-direction: column; gap: 8px; font-size: 0.85rem; font-weight: 500; color: var(--ink-soft); }
.contact-form input, .contact-form textarea {
  border: 1.5px solid rgba(244, 242, 234, 0.28);
  border-radius: var(--radius);
  background: #233655;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--ink-faint); }
.contact-form input:focus, .contact-form textarea:focus {
  border-color: var(--sage);
  background: #2A3F5E;
}
.form-full { width: 100%; }
.contact-form button { align-self: flex-start; cursor: pointer; border: none; margin-top: 8px; }
.form-confirm { color: var(--green); font-size: 0.9rem; font-weight: 500; }
.form-error { color: #C0654B; font-size: 0.9rem; font-weight: 500; }

/* ---------- Footer ---------- */
.site-footer {
  padding: 32px 0 48px;
  font-size: 0.82rem;
  color: var(--ink-faint);
  border-top: 1px solid var(--rule);
}
.footer-email { margin-top: 4px; }
.footer-email a { color: var(--sage); }
.footer-email a:hover { text-decoration: underline; }
.contact-direct {
  margin-top: 20px;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.contact-direct a { color: var(--sage); font-weight: 600; }
.contact-direct a:hover { text-decoration: underline; }

/* ---------- Focus visibility ---------- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--sage);
  outline-offset: 2px;
}