:root {
  --rojo: #E10600;
  --rojo-oscuro: #8F0905;
  --grafito: #15171A;
  --negro: #090A0C;
  --gris: #A7ABB2;
  --blanco: #F7F7F7;
  --font-titulo: 'Montserrat', sans-serif;
  --font-secundaria: 'Rajdhani', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--negro);
  color: var(--blanco);
  font-family: var(--font-secundaria);
  font-size: 17px;
  line-height: 1.6;
}

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

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

/* NAV */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(9, 10, 12, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #201f23;
}

.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand__mark { width: 34px; height: 34px; }

.brand__word {
  font-family: var(--font-titulo);
  font-weight: 900;
  letter-spacing: 0.5px;
  font-size: 1.1rem;
  color: var(--blanco);
}

.brand__word span { color: var(--rojo); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav__links a {
  font-family: var(--font-titulo);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gris);
  transition: color 0.2s;
}

.nav__links a:hover { color: var(--rojo); }

.nav__cta {
  background: var(--rojo);
  color: var(--blanco) !important;
  padding: 9px 18px;
  border-radius: 4px;
}

.nav__cta:hover { background: var(--rojo-oscuro); color: var(--blanco) !important; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--blanco);
}

/* HERO */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 60px 20px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(225,6,0,0.18), transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(143,9,5,0.15), transparent 45%),
    repeating-linear-gradient(135deg, rgba(255,255,255,0.02) 0 2px, transparent 2px 40px);
  z-index: 0;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero__eyebrow {
  font-family: var(--font-titulo);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--rojo);
  margin: 0 0 18px;
}

.hero h1 {
  font-family: var(--font-titulo);
  font-weight: 900;
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  margin: 0;
  letter-spacing: 0.5px;
  line-height: 1.15;
}

.hero h1 span { color: var(--rojo); }

.hero__tagline {
  font-size: 1.15rem;
  color: var(--gris);
  margin: 24px auto 34px;
  max-width: 560px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__mark {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: 420px;
  height: 420px;
  opacity: 0.12;
  z-index: 0;
  pointer-events: none;
}

.btn {
  display: inline-block;
  background: var(--rojo);
  color: var(--blanco);
  font-family: var(--font-titulo);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 14px 30px;
  border-radius: 4px;
  border: 1px solid var(--rojo);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s, color 0.2s;
}

.btn:hover { background: var(--rojo-oscuro); border-color: var(--rojo-oscuro); transform: translateY(-2px); }

.btn--outline {
  background: transparent;
  color: var(--blanco);
  border: 1px solid var(--gris);
}

.btn--outline:hover {
  background: rgba(225,6,0,0.1);
  border-color: var(--rojo);
}

/* SECTIONS */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 90px 20px;
}

.section--alt { background: #0d0e11; max-width: none; }
.section--alt > * { max-width: 1200px; margin-left: auto; margin-right: auto; }

.section__eyebrow {
  display: block;
  font-family: var(--font-titulo);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--rojo);
  margin-bottom: 10px;
}

.section__title {
  font-family: var(--font-titulo);
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin: 0 0 12px;
}

.section__lead {
  color: var(--gris);
  max-width: 640px;
  margin: 0 0 50px;
}

/* SERVICES */
.services-grid--main {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.service-card {
  background: #0d0e11;
  border: 1px solid #201f23;
  border-radius: 12px;
  padding: 36px 28px;
  transition: border-color 0.2s, transform 0.2s;
}

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

.service-card--highlight {
  border-color: var(--rojo);
  background: linear-gradient(180deg, rgba(225,6,0,0.08), #0d0e11 40%);
}

.service-card__icon {
  font-size: 2.4rem;
  margin-bottom: 18px;
}

.service-card h3 {
  font-family: var(--font-titulo);
  font-size: 1.2rem;
  margin: 0 0 10px;
}

.service-card > p {
  color: var(--gris);
  margin: 0 0 18px;
  font-size: 0.95rem;
}

.service-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-card li {
  font-size: 0.9rem;
  padding-left: 20px;
  position: relative;
  color: var(--blanco);
}

.service-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--rojo);
  transform: rotate(45deg);
}

.services-extra {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.service-chip {
  background: var(--negro);
  border: 1px solid #201f23;
  border-radius: 30px;
  padding: 10px 20px;
  font-family: var(--font-titulo);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--gris);
}

/* FEATURES */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.feature {
  text-align: center;
  padding: 30px 16px;
}

.feature__icon {
  font-size: 2rem;
  margin-bottom: 14px;
}

.feature h3 {
  font-family: var(--font-titulo);
  font-size: 1.05rem;
  margin: 0 0 8px;
}

.feature p {
  color: var(--gris);
  font-size: 0.9rem;
  margin: 0;
}

/* PROCESS */
.process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.process__step {
  border-top: 3px solid var(--rojo);
  padding-top: 20px;
}

.process__num {
  font-family: var(--font-titulo);
  font-weight: 900;
  font-size: 1.8rem;
  color: var(--rojo-oscuro);
}

.process__step h3 {
  font-family: var(--font-titulo);
  font-size: 1.1rem;
  margin: 10px 0 8px;
}

.process__step p {
  color: var(--gris);
  font-size: 0.9rem;
  margin: 0;
}

/* CTA BANNER */
.cta {
  background: linear-gradient(120deg, var(--rojo-oscuro), var(--rojo));
  padding: 70px 20px;
  text-align: center;
}

.cta__inner {
  max-width: 640px;
  margin: 0 auto;
}

.cta h2 {
  font-family: var(--font-titulo);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  margin: 0 0 12px;
}

.cta p {
  margin: 0 0 26px;
  color: rgba(247,247,247,0.9);
}

.cta .btn {
  background: var(--negro);
  border-color: var(--negro);
  color: var(--blanco);
}

.cta .btn:hover {
  background: var(--grafito);
  border-color: var(--grafito);
}

/* CONTACT */
.contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--font-titulo);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--gris);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  background: var(--negro);
  border: 1px solid #2a2d33;
  border-radius: 6px;
  padding: 12px 14px;
  color: var(--blanco);
  font-family: var(--font-secundaria);
  font-size: 1rem;
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--rojo);
}

.contact-form .btn {
  align-self: flex-start;
  margin-top: 6px;
}

.contact-form__status {
  font-size: 0.85rem;
  color: var(--rojo);
  min-height: 1.2em;
  margin: 0;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info__item {
  border-left: 3px solid var(--rojo);
  padding-left: 16px;
}

.contact-info__item span {
  font-family: var(--font-titulo);
  font-weight: 700;
  font-size: 0.9rem;
  display: block;
  margin-bottom: 4px;
}

.contact-info__item p {
  margin: 0;
  color: var(--gris);
}

/* FOOTER */
.footer {
  text-align: center;
  padding: 50px 20px 40px;
  border-top: 1px solid #201f23;
}

.footer__mark { width: 46px; height: 46px; margin: 0 auto 16px; }

.footer p {
  font-family: var(--font-titulo);
  font-weight: 700;
  margin: 4px 0;
}

.footer p span { color: var(--rojo); }

.footer__small {
  font-weight: 500;
  font-size: 0.8rem;
  color: var(--gris);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer__social {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 20px 0;
}

.footer__social a {
  font-family: var(--font-titulo);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--gris);
}

.footer__social a:hover { color: var(--rojo); }

.footer__copy {
  font-family: var(--font-secundaria) !important;
  font-weight: 500 !important;
  font-size: 0.8rem;
  color: #55585f;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
  .hero__mark { display: none; }
}

@media (max-width: 760px) {
  .nav__toggle { display: flex; }
  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--negro);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 20px;
    gap: 16px;
    border-bottom: 1px solid #201f23;
    display: none;
  }
  .nav__links.open { display: flex; }
  .section { padding: 60px 16px; }
}