/* =========================================================
   MERCHAN CAPITAL — estilos
   Paleta: negro/azul muy oscuro + dorado, estilo elegante/premium
   ========================================================= */

:root {
  --color-bg: #0b0d10;        /* negro casi puro con matiz azulado */
  --color-bg-alt: #12151a;    /* secciones alternas, ligeramente más claro */
  --color-gold: #c9a24b;      /* dorado principal */
  --color-gold-light: #e6c878;
  --color-text: #f2f1ec;      /* blanco cálido */
  --color-text-muted: #a8a8a2;
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Inter', sans-serif;
  --max-width: 1140px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.6;
}

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

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

/* ===== Utilidades de texto ===== */

.section__eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 12px;
}

.section__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 600;
  margin-bottom: 24px;
}

.center {
  text-align: center;
}

/* ===== Botones ===== */

.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.btn--gold {
  background-color: var(--color-gold);
  color: #0b0d10;
  font-weight: 500;
  border: 1px solid var(--color-gold);
}

.btn--gold:hover {
  background-color: transparent;
  color: var(--color-gold-light);
  border-color: var(--color-gold-light);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-gold-light);
  border: 1px solid var(--color-gold);
  margin-top: 12px;
}

.btn--outline:hover {
  background-color: var(--color-gold);
  color: #0b0d10;
}

/* ===== Header ===== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(11, 13, 16, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(201, 162, 75, 0.15);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.logo span {
  color: var(--color-gold);
}

.logo--small {
  font-size: 1rem;
}

.nav {
  display: flex;
  gap: 36px;
}

.nav__link {
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  transition: color 0.25s ease;
}

.nav__link:hover {
  color: var(--color-gold-light);
}

.nav__lang {
  border: 1px solid rgba(201, 162, 75, 0.4);
  border-radius: 2px;
  padding: 4px 10px;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
}

/* ===== Hero ===== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(201, 162, 75, 0.10), transparent 40%),
    linear-gradient(180deg, #0b0d10 0%, #14171c 100%);
  z-index: 0;
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-top: 76px;
}

.hero__eyebrow {
  color: var(--color-gold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-bottom: 20px;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 24px;
  max-width: 720px;
}

.hero__subtitle {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 36px;
}

/* ===== Nosotros ===== */

.about {
  padding: 120px 0;
  background-color: var(--color-bg-alt);
}

.about__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: center;
}

.about__text {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.about__stats {
  display: grid;
  gap: 32px;
}

.stat {
  border-left: 2px solid var(--color-gold);
  padding-left: 20px;
}

.stat__number {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--color-gold-light);
}

.stat__label {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ===== Founder ===== */

.founder {
  padding: 120px 0;
}

.founder__grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  align-items: start;
}

.founder__photo img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--color-gold);
  padding: 6px;
}

.founder__role {
  color: var(--color-gold-light);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.founder .about__text {
  margin-bottom: 16px;
}

/* ===== Servicios ===== */

.services {
  padding: 120px 0;
}

.services .section__title {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 28px;
  margin-top: 56px;
}

.service-card {
  background-color: var(--color-bg-alt);
  border: 1px solid rgba(201, 162, 75, 0.15);
  border-radius: 4px;
  padding: 32px 28px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-gold);
}

.service-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--color-gold-light);
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ===== Contacto ===== */

.contact {
  padding: 120px 0;
  background-color: var(--color-bg-alt);
}

.contact__inner {
  max-width: 640px;
  text-align: center;
}

.contact__text {
  color: var(--color-text-muted);
  margin-bottom: 40px;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact__form input,
.contact__form textarea {
  background-color: var(--color-bg);
  border: 1px solid rgba(201, 162, 75, 0.25);
  color: var(--color-text);
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  border-radius: 2px;
}

.contact__form input:focus,
.contact__form textarea:focus {
  outline: none;
  border-color: var(--color-gold);
}

.contact__form button {
  align-self: flex-start;
  border: 1px solid var(--color-gold);
  cursor: pointer;
}

/* ===== Footer ===== */

.footer {
  padding: 40px 0;
  border-top: 1px solid rgba(201, 162, 75, 0.15);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 24px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.footer__legal {
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.contact__details {
  margin-bottom: 32px;
  font-size: 0.95rem;
}

.contact__details p {
  margin-bottom: 6px;
}

.contact__details a {
  color: var(--color-gold-light);
}

.contact__details--standalone {
  margin-bottom: 0;
  font-size: 1.15rem;
}

.contact__details--standalone a {
  border-bottom: 1px solid rgba(201, 162, 75, 0.4);
  padding-bottom: 2px;
}

/* ===== Animación de aparición al hacer scroll ===== */

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */

@media (max-width: 860px) {
  .about__grid {
    grid-template-columns: 1fr;
  }

  .founder__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .founder__photo {
    max-width: 220px;
    margin: 0 auto;
  }

  .founder .about__text {
    text-align: left;
  }

  .nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    flex-direction: column;
    align-items: center;
    padding: 24px 0;
    gap: 24px;
    transform: translateY(-150%);
    transition: transform 0.35s ease;
    border-bottom: 1px solid rgba(201, 162, 75, 0.15);
  }

  .nav.open {
    transform: translateY(0);
  }

  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 520px) {
  .form__row {
    grid-template-columns: 1fr;
  }
}