/* ==============================
   Variables
   ============================== */
:root {
  --color-fondo: #F9F7F4;
  --color-texto: #1A1A18;
  --color-texto-secundario: #6B6B66;
  --color-acento: #8B1A1A;
  --color-fondo-suave: #F5E8E8;
  --color-borde: rgba(26, 26, 24, 0.1);
  --color-oscuro: #1A1A18;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "DM Sans", sans-serif;
  font-weight: 400;
  color: var(--color-texto);
  background-color: var(--color-fondo);
  line-height: 1.6;
}

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

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

ul {
  list-style: none;
}

h1, h2, h3 {
  font-family: "Cormorant Garamond", serif;
  font-weight: 400;
  line-height: 1.2;
}

/* ==============================
   Nav
   ============================== */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 4rem;
  background-color: var(--color-fondo);
  border-bottom: 1px solid var(--color-borde);
}

.nav-logo {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--color-texto);
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-texto-secundario);
  letter-spacing: 0.03em;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--color-acento);
}

/* ==============================
   Hero
   ============================== */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  min-height: 85vh;
  padding: 6rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::after {
  display: none;
}

.hero-visual {
  grid-column: 2;
  grid-row: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual img {
  max-width: 480px;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.hero h1,
.hero p,
.hero .btn-hero {
  grid-column: 1;
}

.hero h1 {
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 300;
  color: var(--color-texto);
  margin-bottom: 1.5rem;
  grid-row: 1;
}

.hero p {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--color-texto-secundario);
  max-width: 520px;
  margin-bottom: 2.5rem;
  grid-row: 2;
}

.btn-hero {
  display: inline-block;
  padding: 0.9rem 2.4rem;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-fondo);
  background-color: var(--color-acento);
  border-radius: 2px;
  transition: opacity 0.3s;
  grid-row: 3;
}

.btn-hero:hover {
  opacity: 0.85;
}

/* ==============================
   Quiénes somos
   ============================== */
.nosotros {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  padding: 6rem 4rem;
  border-top: 1px solid var(--color-borde);
}

.nosotros h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 400;
  color: var(--color-texto);
}

.nosotros p {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--color-texto-secundario);
  line-height: 1.8;
  max-width: 680px;
}

/* ==============================
   Servicios
   ============================== */
.servicios {
  padding: 6rem 4rem;
  border-top: 1px solid var(--color-borde);
}

.servicios h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 400;
  color: var(--color-texto);
  margin-bottom: 3.5rem;
}

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.servicio-card {
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--color-borde);
}

.servicio-card:last-child {
  border-right: none;
}

.servicio-card:first-child {
  padding-left: 0;
}

.servicio-card:last-child {
  padding-right: 0;
}

.servicio-card img {
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
  object-fit: contain;
}

.servicio-card h3 {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-texto);
  margin-bottom: 0.75rem;
}

.servicio-card p {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--color-texto-secundario);
  line-height: 1.7;
}

/* ==============================
   Contacto
   ============================== */
.contacto {
  background-color: var(--color-oscuro);
  color: var(--color-fondo);
  padding: 6rem 4rem;
}

.contacto h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 400;
  margin-bottom: 3.5rem;
}

.contacto-contenido {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contacto-info ul {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contacto-info li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contacto-info strong {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-texto-secundario);
}

.contacto-info span,
.contacto-info a {
  font-size: 1rem;
  font-weight: 300;
  color: var(--color-fondo);
  transition: color 0.3s;
}

.contacto-info a:hover {
  color: var(--color-fondo-suave);
}

/* Formulario */
.contacto-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-grupo {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-grupo label {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-texto-secundario);
}

.form-grupo input,
.form-grupo textarea {
  font-family: "DM Sans", sans-serif;
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--color-fondo);
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(249, 247, 244, 0.2);
  padding: 0.6rem 0;
  outline: none;
  transition: border-color 0.3s;
}

.form-grupo input:focus,
.form-grupo textarea:focus {
  border-bottom-color: var(--color-acento);
}

.form-grupo textarea {
  resize: vertical;
}

.btn-enviar {
  align-self: flex-start;
  padding: 0.85rem 2.4rem;
  font-family: "DM Sans", sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-oscuro);
  background-color: var(--color-fondo);
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: opacity 0.3s;
}

.btn-enviar:hover {
  opacity: 0.85;
}

/* ==============================
   Footer
   ============================== */
footer {
  background-color: var(--color-oscuro);
  border-top: 1px solid rgba(249, 247, 244, 0.08);
  padding: 2rem 4rem;
  text-align: center;
}

footer p {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--color-texto-secundario);
}

/* ==============================
   Hamburger (hidden on desktop)
   ============================== */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  z-index: 110;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-texto);
  transition: transform 0.3s, opacity 0.3s;
}

.nav-hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==============================
   Responsive — Mobile
   ============================== */
@media (max-width: 768px) {
  nav {
    padding: 1rem 1.5rem;
  }

  .nav-logo {
    font-size: 0.95rem;
    white-space: normal;
    max-width: 70%;
    line-height: 1.3;
  }

  .nav-hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: 70%;
    max-width: 300px;
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    background-color: var(--color-fondo);
    border-left: 1px solid var(--color-borde);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 105;
  }

  .nav-links.active {
    transform: translateX(0);
  }

  .nav-links a {
    font-size: 1.1rem;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 3rem 1.5rem;
    text-align: center;
  }

  .hero::after {
    display: none;
  }

  .hero-visual {
    grid-column: 1;
    grid-row: 1;
    margin-bottom: 2rem;
  }

  .hero-visual img {
    max-width: 180px;
    margin: 0 auto;
  }

  .hero h1 {
    font-size: 2rem;
    grid-row: 2;
  }

  .hero p {
    grid-row: 3;
  }

  .hero .btn-hero {
    grid-row: 4;
  }

  .nosotros {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 4rem 1.5rem;
  }

  .servicios {
    padding: 4rem 1.5rem;
  }

  .servicios-grid {
    grid-template-columns: 1fr;
  }

  .servicio-card {
    padding: 2rem 0;
    border-right: none;
    border-bottom: 1px solid var(--color-borde);
  }

  .servicio-card:last-child {
    border-bottom: none;
  }

  .contacto {
    padding: 4rem 1.5rem;
  }

  .contacto-contenido {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  footer {
    padding: 1.5rem;
  }
}