/* ========================================
   Australma — Design Tokens & Variables
   ======================================== */
:root {
  --color-verde: #123628;
  --color-azul: #0D1B2A;
  --color-dorado: #C49A2C;
  --color-arena: #F3EDE0;
  --color-blanco: #FFFFFF;
  --color-grafito: #232323;

  --font-titulos: 'Trajan Pro', 'Montserrat', serif;
  --font-body: 'Montserrat', system-ui, sans-serif;
  --font-cuerpo: 'Montserrat', sans-serif;
  --gutter: 1.5rem;
  --container-max: 72rem;
  --transition: 0.3s ease;
  --radius: 0.5rem;
  --header-h: 4rem;
}

/* ========================================
   Base / Reset
   ======================================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  font-size: 100%;
}

body {
  font-family: var(--font-body);
  font-family: var(--font-body);
  line-height: 1.5;
  color: var(--color-grafito);
  background: var(--color-arena);
  font-weight: 400;
}

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

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

ul {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input {
  font: inherit;
  border: none;
  outline: none;
}

/* ========================================
   Utilities
   ======================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: 5rem 0;
}

.section__title {
  font-family: var(--font-titulos);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  text-align: center;
  color: var(--color-verde);
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
}

.section__desc {
  text-align: center;
  font-size: 1.05rem;
  color: var(--color-grafito);
  max-width: 36rem;
  margin: 0 auto 3rem;
  opacity: 0.8;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 1000;
  padding: 0.5rem 1rem;
  background: var(--color-verde);
  color: var(--color-blanco);
  border-radius: var(--radius);
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0.5rem;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-titulos);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  transition: all var(--transition);
  text-transform: uppercase;
}

.btn--primary {
  background: var(--color-verde);
  color: var(--color-arena);
  border: 2px solid var(--color-verde);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: transparent;
  color: var(--color-verde);
}

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

/* ========================================
   Header
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 100;
  background: rgba(13, 27, 42, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 3px solid var(--color-dorado);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.header__logo-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.header__logo-text {
  font-family: var(--font-titulos);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.12em;
  color: var(--color-blanco);
}

.header__menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2rem;
  height: 2rem;
  padding: 0.25rem;
  z-index: 101;
}

.header__menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-blanco);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}

.header__menu-btn[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 5px);
}

.header__menu-btn[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.header__menu-btn[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

.header__nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(20rem, 80vw);
  height: 100vh;
  background: var(--color-verde);
  padding: calc(var(--header-h) + 1rem) 2rem 2rem;
  transition: right var(--transition);
  display: flex;
  flex-direction: column;
}

.header__nav.open {
  right: 0;
}

.header__nav-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.header__nav-link {
  font-family: var(--font-titulos);
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--color-blanco);
  letter-spacing: 0.06em;
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.header__nav-link:hover,
.header__nav-link:focus-visible {
  border-bottom-color: var(--color-dorado);
}

/* ========================================
   Hero
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
}

.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(13, 27, 42, 0.55) 0%,
    rgba(13, 27, 42, 0.75) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem var(--gutter);
  max-width: 42rem;
}

.hero__title {
  font-family: var(--font-titulos);
  font-weight: 700;
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  color: var(--color-arena);
  letter-spacing: 0.06em;
  line-height: 1.15;
  margin-bottom: 1rem;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-arena);
  opacity: 0.9;
  margin-bottom: 2rem;
  font-weight: 300;
  letter-spacing: 0.03em;
}

/* ========================================
   Valores
   ======================================== */
.valores {
  background: var(--color-arena);
}

.valores__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: 2rem;
}

.valor-card {
  background: var(--color-blanco);
  padding: 2rem 1.5rem;
  border-radius: var(--radius);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid rgba(18, 54, 40, 0.08);
}

.valor-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(18, 54, 40, 0.1);
}

.valor-card__icon {
  color: var(--color-dorado);
  margin-bottom: 1.25rem;
  display: inline-flex;
}

.valor-card__title {
  font-family: var(--font-titulos);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--color-verde);
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
}

.valor-card__text {
  font-size: 0.95rem;
  color: var(--color-grafito);
  opacity: 0.75;
  line-height: 1.6;
}

/* ========================================
   Notificacion / Form
   ======================================== */
.notificacion {
  background: var(--color-verde);
  color: var(--color-arena);
}

.notificacion .section__title {
  color: var(--color-arena);
}

.notificacion .section__desc {
  color: var(--color-arena);
  color: var(--color-dorado);
}

.form {
  max-width: 52rem;
  margin: 0 auto;
}

.form__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem 1rem;
}

.form__group--full {
  grid-column: 1 / -1;
}

@media (min-width: 640px) {
  .form__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.form__group {
  margin-bottom: 1.25rem;
}

.form__label {
  display: block;
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  letter-spacing: 0.03em;
}

.form__input {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  background: rgba(243, 237, 224, 0.12);
  border: 1px solid rgba(243, 237, 224, 0.25);
  color: var(--color-arena);
  font-size: 1rem;
  transition: border-color var(--transition);
}

.form__input::placeholder {
  color: rgba(243, 237, 224, 0.5);
}

.form__input:focus {
  border-color: var(--color-dorado);
}

.form__input.error {
  border-color: #e74c3c;
}

.form__input.valid {
  border-color: #2ecc71;
}

.form__error {
  display: block;
  font-size: 0.8rem;
  color: #e74c3c;
  margin-top: 0.35rem;
  min-height: 1em;
}

.notificacion .form__submit {
  background: var(--color-dorado);
  color: var(--color-verde);
  border-color: var(--color-dorado);
  font-weight: 700;
}

.notificacion .form__submit:hover,
.notificacion .form__submit:focus-visible {
  background: transparent;
  color: var(--color-dorado);
}

.form__submit.loading .form__submit-text {
  visibility: hidden;
}

.form__submit.loading .form__spinner {
  display: inline-block;
}

.form__spinner {
  display: none;
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  position: absolute;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.form__status {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.9rem;
  min-height: 1.5em;
}

.form__status.success {
  color: #2ecc71;
}

.form__status.error {
  color: #e74c3c;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--color-azul);
  color: var(--color-arena);
  padding: 2.5rem 0 1.5rem;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.footer__logo {
  width: 28px;
  height: 28px;
}

.footer__name {
  font-family: var(--font-titulos);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.12em;
}

.footer__links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  opacity: 0.8;
  transition: opacity var(--transition);
}

.footer__link:hover,
.footer__link:focus-visible {
  opacity: 1;
}

.footer__copy {
  font-size: 0.8rem;
  opacity: 0.55;
}

/* ========================================
   Responsive
   ======================================== */
@media (min-width: 48rem) {
  :root {
    --header-h: 4.5rem;
  }

  .header__menu-btn {
    display: none;
  }

  .header__nav {
    position: static;
    width: auto;
    height: auto;
    background: none;
    padding: 0;
    flex-direction: row;
  }

  .header__nav-list {
    flex-direction: row;
    gap: 1.75rem;
  }

  .header__nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-blanco);
    padding: 0.25rem 0;
    position: relative;
  }

  .header__nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-dorado);
    transform: scaleX(0);
    transition: transform var(--transition);
  }

  .header__nav-link:hover::after,
  .header__nav-link:focus-visible::after {
    transform: scaleX(1);
  }
}

@media (min-width: 64rem) {
  .section {
    padding: 6rem 0;
  }

  .valores__grid {
    gap: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}