/* ==========================================================================
   Gestoría Ibérico · styles.css
   Mobile-first. Sin frameworks ni fuentes externas.
   Breakpoints: 30em (480px) · 48em (768px) · 64em (1024px)
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* Color */
  --navy-950: #061024;
  --navy-900: #0a1a33;
  --navy-800: #102849;
  --navy-700: #1d3a66;
  --gold-500: #c9a35c;
  --gold-300: #e3c58b;
  --gold-700: #7a5c22;
  --ink: #0f1b2d;
  --gray-700: #44505f;
  --gray-600: #5f6b7a;
  --line: #dfe5ed;
  --field-border: #76818f;
  --surface: #ffffff;
  --surface-alt: #f4f6f9;
  --on-navy: #f4f6fa;
  --on-navy-muted: #b9c4d6;
  --error: #b42318;
  --error-bg: #fff6f5;
  --success: #0b6b43;
  --success-bg: #ecf8f1;
  --info-bg: #eef3fb;
  --focus: var(--navy-900);

  /* Tipografía (pila del sistema: cero descargas) */
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --fs-body: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --fs-h1: clamp(2.05rem, 1.35rem + 3.1vw, 3.5rem);
  --fs-h2: clamp(1.65rem, 1.25rem + 1.7vw, 2.5rem);
  --fs-h3: clamp(1.125rem, 1.07rem + 0.25vw, 1.25rem);
  --fs-small: 0.875rem;

  /* Espaciado y forma */
  --container: 72rem;
  --gutter: clamp(1.25rem, 0.9rem + 1.5vw, 2rem);
  --space-section: clamp(4rem, 3rem + 4vw, 7rem);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgb(10 26 51 / 0.06), 0 10px 28px rgb(10 26 51 / 0.07);
  --header-h: 4rem;
}

/* ---------- 2. Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--ink);
  background: var(--surface);
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

h1,
h2,
h3 {
  margin: 0 0 0.6em;
  font-weight: 750;
  line-height: 1.15;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h1 {
  font-size: var(--fs-h1);
  letter-spacing: -0.025em;
}

h2 {
  font-size: var(--fs-h2);
}

h3 {
  font-size: var(--fs-h3);
  line-height: 1.3;
}

p {
  margin: 0 0 1em;
}

a {
  color: inherit;
  text-underline-offset: 0.2em;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

main:focus {
  outline: none;
}

/* ---------- 3. Utilidades ---------- */
.container {
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  font-weight: 700;
  color: var(--navy-900);
  background: var(--gold-500);
  border-radius: var(--radius-sm);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: none;
}

.eyebrow {
  margin-bottom: 0.9rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-300);
}

.eyebrow--dark {
  color: var(--gold-700);
}

.note {
  max-width: 52rem;
  margin: 1.75rem 0 0;
  font-size: var(--fs-small);
  color: var(--gray-700);
}

/* ---------- 4. Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.8rem 1.5rem;
  font: inherit;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.btn--gold {
  color: var(--navy-900);
  background: var(--gold-500);
  box-shadow: 0 8px 22px rgb(201 163 92 / 0.22);
}

.btn--gold:hover {
  background: var(--gold-300);
}

.btn--navy {
  color: #fff;
  background: var(--navy-900);
}

.btn--navy:hover {
  background: var(--navy-700);
}

.btn--ghost {
  color: var(--on-navy);
  border-color: rgb(227 197 139 / 0.6);
}

.btn--ghost:hover {
  background: rgb(227 197 139 / 0.1);
  border-color: var(--gold-300);
}

.btn--sm {
  min-height: 2.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.9375rem;
}

.btn--lg {
  min-height: 3.5rem;
  padding: 1rem 1.75rem;
}

.btn--block {
  width: 100%;
}

.btn[aria-disabled="true"] {
  opacity: 0.75;
  cursor: progress;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }

  .btn {
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  }

  .btn:hover {
    transform: translateY(-1px);
  }
}

/* ---------- 5. Cabecera ---------- */
.site-header {
  --focus: var(--gold-300);
  position: sticky;
  top: 0;
  z-index: 50;
  color: var(--on-navy);
  background: var(--navy-900);
  border-bottom: 1px solid rgb(201 163 92 / 0.18);
}

.site-header.is-scrolled {
  box-shadow: 0 8px 24px rgb(6 16 36 / 0.35);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--on-navy);
  text-decoration: none;
}

.brand__mark {
  flex: none;
  width: 2rem;
  height: 2rem;
  color: var(--gold-500);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand__name {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.brand__tag {
  display: none;
  margin-top: 0.2rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-300);
}

.site-nav {
  display: none;
}

/* ---------- 6. Hero ---------- */
.hero {
  --focus: var(--gold-300);
  position: relative;
  overflow: hidden;
  padding-block: clamp(3rem, 2rem + 5vw, 6.5rem) clamp(3.5rem, 2rem + 5vw, 6rem);
  color: var(--on-navy);
  background:
    radial-gradient(60rem 30rem at 85% -10%, rgb(201 163 92 / 0.16), transparent 60%),
    linear-gradient(180deg, var(--navy-900), var(--navy-950));
}

.hero__grid {
  display: grid;
  gap: clamp(2rem, 1rem + 4vw, 4rem);
  align-items: center;
}

.hero h1 {
  color: #fff;
}

.hero__lead {
  max-width: 38rem;
  font-size: clamp(1.125rem, 1.05rem + 0.45vw, 1.375rem);
  line-height: 1.5;
}

.hero__sub {
  max-width: 36rem;
  color: var(--on-navy-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.hero__actions .btn {
  width: 100%;
}

.hero__assurances {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-top: 1.5rem;
  list-style: none;
  font-size: var(--fs-small);
  color: var(--on-navy-muted);
}

.hero__assurances li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.hero__assurances li::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  background: var(--gold-500);
  border-radius: 50%;
}

.hero__media img {
  width: 100%;
  max-width: 34rem;
  margin-inline: auto;
}

/* ---------- 7. Secciones ---------- */
.section {
  padding-block: var(--space-section);
}

.section--alt {
  background: var(--surface-alt);
}

.section--navy {
  --focus: var(--gold-300);
  color: var(--on-navy);
  background: var(--navy-900);
}

.section__head {
  max-width: 46rem;
  margin-bottom: clamp(2rem, 1.5rem + 2vw, 3.25rem);
}

.section__intro {
  margin: 0;
  font-size: 1.0625rem;
  color: var(--gray-700);
}

.section__cta {
  margin: 2.5rem 0 0;
}

/* ---------- 8. Ventajas ---------- */
.cards {
  display: grid;
  gap: 1.25rem;
}

.card {
  position: relative;
  padding: clamp(1.5rem, 1.2rem + 1vw, 2rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(1.5rem, 1.2rem + 1vw, 2rem);
  width: 3rem;
  height: 3px;
  background: var(--gold-500);
  border-radius: 0 0 3px 3px;
}

.card__icon {
  width: 3rem;
  height: 3rem;
  margin-bottom: 1.25rem;
  padding: 0.7rem;
  color: var(--gold-500);
  background: var(--navy-900);
  border-radius: 12px;
}

.card p {
  margin: 0;
  color: var(--gray-700);
}

/* ---------- 9. Proceso ---------- */
.steps {
  display: grid;
  gap: 1rem;
  list-style: none;
  counter-reset: paso;
}

.step {
  position: relative;
  padding: 1.5rem 1.5rem 1.5rem 4.75rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  counter-increment: paso;
}

.step::before {
  content: counter(paso);
  position: absolute;
  top: 1.4rem;
  left: 1.5rem;
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  font-weight: 800;
  color: var(--gold-300);
  background: var(--navy-900);
  border-radius: 50%;
}

.step h3 {
  margin-bottom: 0.4em;
}

.step p {
  margin: 0;
  color: var(--gray-700);
}

/* ---------- 10. Confianza ---------- */
.trust {
  display: grid;
  gap: clamp(2rem, 1.5rem + 2vw, 3.5rem);
}

.testimonials {
  display: grid;
  gap: 1rem;
}

.testimonial {
  margin: 0;
  padding: 1.5rem 1.75rem;
  background: var(--surface-alt);
  border-left: 3px solid var(--gold-500);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.testimonial blockquote {
  margin: 0 0 0.75rem;
  font-size: 1.0625rem;
  font-style: italic;
}

.testimonial blockquote p {
  margin: 0;
}

.testimonial blockquote p::before {
  content: "«";
}

.testimonial blockquote p::after {
  content: "»";
}

.testimonial figcaption {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--gray-700);
}

.guarantees {
  --focus: var(--gold-300);
  padding: clamp(1.5rem, 1.2rem + 1vw, 2.25rem);
  color: var(--on-navy-muted);
  background: var(--navy-900);
  border-radius: var(--radius);
}

.guarantees h3 {
  color: #fff;
}

.checklist {
  display: grid;
  gap: 0.9rem;
  margin-bottom: 1.75rem;
  list-style: none;
}

.checklist li {
  position: relative;
  padding-left: 2rem;
}

.checklist strong {
  color: #fff;
}

.checklist li::before {
  content: "";
  position: absolute;
  top: 0.25em;
  left: 0;
  width: 1.25rem;
  height: 1.25rem;
  background: var(--gold-500) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.5l3 3 6-7' fill='none' stroke='%230a1a33' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 0.8rem no-repeat;
  border-radius: 50%;
}

.guarantees img {
  width: 100%;
  border-radius: 12px;
}

/* ---------- 11. Contacto y formulario ---------- */
.contact {
  display: grid;
  gap: clamp(2rem, 1.5rem + 2vw, 3.5rem);
}

.contact__intro h2 {
  color: #fff;
}

.contact__intro p {
  color: var(--on-navy-muted);
}

.contact__points {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.5rem;
  list-style: none;
}

.contact__points li {
  position: relative;
  padding-left: 1.75rem;
}

.contact__points li::before {
  content: "";
  position: absolute;
  top: 0.8em;
  left: 0;
  width: 0.85rem;
  height: 2px;
  background: var(--gold-500);
}

.form-card {
  --focus: var(--navy-900);
  padding: clamp(1.5rem, 1.1rem + 1.5vw, 2.5rem);
  color: var(--ink);
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: 0 24px 60px rgb(0 0 0 / 0.25);
}

.form__note {
  margin-bottom: 1.25rem;
  font-size: var(--fs-small);
  color: var(--gray-700);
}

.field {
  margin-bottom: 1.15rem;
}

.field label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.9375rem;
  font-weight: 650;
}

.field__optional {
  font-weight: 400;
  color: var(--gray-700);
}

.field input:not([type="checkbox"]),
.field textarea {
  width: 100%;
  min-height: 3rem;
  padding: 0.75rem 0.9rem;
  font: inherit;
  color: var(--ink);
  background: #fff;
  border: 1.5px solid var(--field-border);
  border-radius: var(--radius-sm);
}

.field textarea {
  min-height: 7.5rem;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--gray-600);
}

.field input:not([type="checkbox"]):focus-visible,
.field textarea:focus-visible {
  outline-offset: 1px;
  border-color: var(--navy-900);
}

.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  background: var(--error-bg);
  border-color: var(--error);
}

.field--check input[aria-invalid="true"] {
  outline: 2px solid var(--error);
  outline-offset: 2px;
}

.field__hint,
.field__meta {
  margin: 0.35rem 0 0;
  font-size: 0.8125rem;
  color: var(--gray-700);
}

.field__meta {
  text-align: right;
}

.field__error {
  margin: 0.4rem 0 0;
  font-size: var(--fs-small);
  font-weight: 650;
  color: var(--error);
}

.field--check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 0.75rem;
  align-items: start;
}

.field--check input {
  width: 1.25rem;
  height: 1.25rem;
  margin: 0.2rem 0 0;
  accent-color: var(--navy-900);
}

.field--check label {
  margin: 0;
  font-weight: 400;
}

.field--check .field__error {
  grid-column: 1 / -1;
}

.hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__status {
  margin: 1rem 0 0;
  font-weight: 650;
}

.form__status:empty {
  margin: 0;
}

.form__status[data-state] {
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
}

.form__status[data-state="success"] {
  color: var(--success);
  background: var(--success-bg);
}

.form__status[data-state="error"] {
  color: var(--error);
  background: var(--error-bg);
}

.form__status[data-state="info"] {
  color: var(--navy-900);
  background: var(--info-bg);
}

.form__legal {
  margin: 1.25rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--gray-700);
}

/* ---------- 12. Pie ---------- */
.site-footer {
  --focus: var(--gold-300);
  padding-block: 3.5rem 2rem;
  font-size: 0.9375rem;
  color: var(--on-navy-muted);
  background: var(--navy-950);
}

.footer__grid {
  display: grid;
  gap: 2rem;
}

.footer__logo {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
}

.footer__label {
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-300);
}

.site-footer address {
  font-style: normal;
}

.site-footer ul {
  display: grid;
  gap: 0.5rem;
  list-style: none;
}

.site-footer a {
  color: var(--on-navy);
}

.site-footer a:hover {
  color: var(--gold-300);
}

.footer__bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  font-size: 0.8125rem;
  border-top: 1px solid rgb(185 196 214 / 0.18);
}

.footer__bottom p {
  margin: 0 0 0.5rem;
}

/* ---------- 13. CTA fija en móvil ---------- */
.sticky-cta {
  --focus: var(--gold-300);
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 40;
  padding: 0.75rem var(--gutter) calc(0.75rem + env(safe-area-inset-bottom, 0px));
  background: rgb(6 16 36 / 0.96);
  border-top: 1px solid rgb(201 163 92 / 0.35);
  visibility: hidden;
  transform: translateY(110%);
}

.sticky-cta.is-visible {
  visibility: visible;
  transform: none;
}

@media (max-width: 47.99em) {
  html {
    scroll-padding-bottom: 5.5rem;
  }
}

/* ---------- 14. Movimiento (solo si el usuario no pide reducirlo) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .sticky-cta {
    transition: transform 0.3s ease, visibility 0s linear 0.3s;
  }

  .sticky-cta.is-visible {
    transition: transform 0.3s ease, visibility 0s;
  }

  .js [data-reveal] {
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .js [data-reveal]:not(.is-revealed) {
    opacity: 0;
    transform: translateY(14px);
  }
}

/* ---------- 15. Breakpoints ---------- */
@media (min-width: 30em) {
  .brand__tag {
    display: block;
  }

  .hero__actions .btn {
    width: auto;
  }
}

@media (min-width: 48em) {
  :root {
    --header-h: 4.5rem;
  }

  .site-nav {
    display: block;
  }

  .site-nav ul {
    display: flex;
    gap: clamp(1rem, 2vw, 2rem);
    list-style: none;
  }

  .site-nav a {
    padding: 0.5rem 0;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--on-navy-muted);
    text-decoration: none;
  }

  .site-nav a:hover {
    color: #fff;
  }

  .cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }

  .sticky-cta {
    display: none;
  }
}

@media (min-width: 64em) {
  .hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .steps {
    grid-template-columns: repeat(4, 1fr);
  }

  .step {
    padding: 4.5rem 1.5rem 1.75rem;
  }

  .trust {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

  .contact {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: start;
  }
}

/* ---------- 16. Impresión ---------- */
@media print {
  .site-header,
  .sticky-cta,
  .hero__actions,
  .form-card {
    display: none;
  }

  .hero,
  .section--navy,
  .guarantees,
  .site-footer {
    color: #000;
    background: none;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}