/* ============================================================
   SUME ATLÁNTICO — Estilos principales
   Fuentes: Sora (titulares) · Inter (cuerpo)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;600;700&family=Inter:wght@400;500;600&display=swap');

/* --- Variables -------------------------------------------- */
:root {
  --naranja:       #FF6A00;
  --naranja-dark:  #d95800;
  --grafito:       #2E2E2E;
  --gris-acero:    #8A8F94;
  --gris-claro:    #F2F2F0;
  --gris-medio:    #e8e8e6;
  --blanco:        #FFFFFF;

  --font-head: 'Sora', 'Arial Black', sans-serif;
  --font-body: 'Inter', Arial, sans-serif;

  --shadow-sm:  0 1px 4px rgba(0,0,0,.07);
  --shadow-md:  0 3px 14px rgba(0,0,0,.10);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.13);

  --radius:    4px;
  --radius-lg: 8px;
  --max-w:     1200px;
  --pad:       clamp(1rem, 5vw, 2rem);
}

/* --- Reset ------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--grafito);
  background: var(--blanco);
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* --- Utilidades -------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--pad);
}
.section-label {
  font-family: var(--font-head);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--naranja);
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: .75rem;
}
.section-label::before {
  content: '';
  display: block;
  width: 2rem;
  height: 2px;
  background: var(--naranja);
  flex-shrink: 0;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.18;
  color: var(--grafito);
}
.section-title em {
  font-style: normal;
  color: var(--naranja);
}
.section-sub {
  font-size: 1.05rem;
  color: var(--gris-acero);
  margin-top: .75rem;
  max-width: 52ch;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.6rem;
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .9rem;
  letter-spacing: .02em;
  transition: background .18s, color .18s, transform .12s, box-shadow .18s;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--naranja);
  color: var(--blanco);
  box-shadow: 0 2px 8px rgba(255,106,0,.3);
}
.btn-primary:hover {
  background: var(--naranja-dark);
  box-shadow: 0 4px 16px rgba(255,106,0,.4);
}
.btn-outline {
  border-color: var(--blanco);
  color: var(--blanco);
  background: transparent;
}
.btn-outline:hover {
  background: var(--blanco);
  color: var(--grafito);
}
.btn-outline-dark {
  border-color: var(--grafito);
  color: var(--grafito);
  background: transparent;
}
.btn-outline-dark:hover {
  background: var(--grafito);
  color: var(--blanco);
}
.btn-wa {
  background: #25D366;
  color: var(--blanco);
}
.btn-wa:hover { background: #1da854; }

/* --- Navegación -------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--blanco);
  border-bottom: 1px solid var(--gris-medio);
  box-shadow: var(--shadow-sm);
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.navbar__logo img {
  height: 44px;
  width: auto;
}
.navbar__menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.navbar__menu a {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .875rem;
  color: var(--grafito);
  letter-spacing: .03em;
  position: relative;
  padding-bottom: 2px;
}
.navbar__menu a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--naranja);
  transition: width .2s;
}
.navbar__menu a:hover::after,
.navbar__menu a.active::after { width: 100%; }
.navbar__menu a.active { color: var(--naranja); }

.navbar__cta {
  margin-left: 1rem;
}

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--grafito);
  transition: transform .25s, opacity .25s;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Hero -------------------------------------------------- */
.hero {
  background: var(--grafito);
  position: relative;
  overflow: hidden;
  padding: clamp(4rem, 10vw, 7rem) 0;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 40px,
      rgba(255,255,255,.015) 40px,
      rgba(255,255,255,.015) 41px
    );
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255,106,0,.15);
  border: 1px solid rgba(255,106,0,.3);
  border-radius: 100px;
  padding: .3rem .9rem;
  font-family: var(--font-head);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--naranja);
  margin-bottom: 1.25rem;
}
.hero__badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--naranja);
}
.hero__title {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--blanco);
}
.hero__title .accent { color: var(--naranja); }
.hero__desc {
  margin-top: 1.25rem;
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,.72);
  max-width: 50ch;
  line-height: 1.7;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}
.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.1);
}
.hero__stat strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--naranja);
  line-height: 1;
}
.hero__stat span {
  font-size: .8rem;
  color: rgba(255,255,255,.5);
  letter-spacing: .05em;
  text-transform: uppercase;
}

/* --- Productos grid --------------------------------------- */
.productos {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
  background: var(--blanco);
}
.productos__head {
  margin-bottom: 3rem;
}
.productos__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}
.prod-card {
  background: var(--blanco);
  border: 1px solid var(--gris-medio);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  transition: box-shadow .2s, border-color .2s, transform .18s;
  cursor: default;
}
.prod-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--naranja);
  transform: translateY(-3px);
}
.prod-card__icon {
  width: 48px; height: 48px;
  background: rgba(255,106,0,.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--naranja);
  flex-shrink: 0;
}
.prod-card__icon svg { width: 26px; height: 26px; }
.prod-card__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--grafito);
}
.prod-card__desc {
  font-size: .875rem;
  color: var(--gris-acero);
  line-height: 1.55;
}
.prod-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-top: auto;
  padding-top: .5rem;
}
.prod-tag {
  background: var(--gris-claro);
  color: var(--grafito);
  font-size: .72rem;
  font-weight: 500;
  padding: .2rem .55rem;
  border-radius: 3px;
  letter-spacing: .03em;
}
.prod-tag.special {
  background: rgba(255,106,0,.1);
  color: var(--naranja-dark);
}

/* --- Servicios -------------------------------------------- */
.servicios {
  padding: clamp(3rem, 6vw, 5rem) 0;
  background: var(--gris-claro);
}
.servicios__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
}
.serv-card {
  background: var(--blanco);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  border-left: 4px solid var(--naranja);
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, transform .18s;
}
.serv-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.serv-card__icon {
  color: var(--naranja);
  margin-bottom: .75rem;
}
.serv-card__icon svg { width: 32px; height: 32px; }
.serv-card__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: .4rem;
}
.serv-card__desc {
  font-size: .875rem;
  color: var(--gris-acero);
  line-height: 1.55;
}

/* --- Por qué SUME ----------------------------------------- */
.ventajas {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
  background: var(--blanco);
}
.ventajas__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.ventaja-item {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.ventaja-item__num {
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--naranja);
  line-height: 1;
}
.ventaja-item__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
}
.ventaja-item__desc {
  font-size: .9rem;
  color: var(--gris-acero);
  line-height: 1.6;
}
.ventajas__divider {
  width: 1px;
  background: var(--gris-medio);
  display: none;
}

/* --- CTA banner ------------------------------------------- */
.cta-banner {
  background: var(--naranja);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}
.cta-banner__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
}
.cta-banner__title {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--blanco);
  line-height: 1.2;
  max-width: 46ch;
}
.cta-banner__sub {
  color: rgba(255,255,255,.8);
  font-size: .95rem;
  margin-top: .25rem;
}
.cta-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}
.cta-banner .btn-wa {
  background: var(--blanco);
  color: var(--grafito);
}
.cta-banner .btn-wa:hover {
  background: var(--grafito);
  color: var(--blanco);
}
.cta-banner .btn-outline {
  border-color: rgba(255,255,255,.5);
}

/* --- Contacto form ---------------------------------------- */
.contacto-section {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
  background: var(--blanco);
}
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}
.contacto-form {
  background: var(--gris-claro);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-bottom: 1.25rem;
}
.form-group label {
  font-family: var(--font-head);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--grafito);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: .7rem 1rem;
  border: 1px solid #ddd;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: .95rem;
  background: var(--blanco);
  color: var(--grafito);
  transition: border-color .18s, box-shadow .18s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--naranja);
  box-shadow: 0 0 0 3px rgba(255,106,0,.12);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-submit { width: 100%; justify-content: center; padding: .9rem; font-size: 1rem; }

.contacto-info h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}
.info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}
.info-item__icon {
  width: 40px; height: 40px;
  background: rgba(255,106,0,.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--naranja);
  flex-shrink: 0;
}
.info-item__icon svg { width: 20px; height: 20px; }
.info-item__text strong { display: block; font-weight: 600; font-size: .9rem; }
.info-item__text span { font-size: .875rem; color: var(--gris-acero); }
.info-item__text a { color: var(--naranja); font-weight: 600; }
.info-item__text a:hover { text-decoration: underline; }

.wa-block {
  background: #f0fdf4;
  border: 1px solid #86efac;
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.wa-block p { font-size: .875rem; color: #166534; }
.wa-block strong { display: block; margin-bottom: .25rem; }

/* --- Footer ----------------------------------------------- */
.footer {
  background: var(--grafito);
  color: rgba(255,255,255,.7);
  padding: clamp(2.5rem, 5vw, 4rem) 0 1.5rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}
.footer__brand p {
  font-size: .875rem;
  line-height: 1.7;
  margin-top: 1rem;
  max-width: 30ch;
}
.footer__logo { height: 40px; width: auto; margin-bottom: .5rem; }
.footer__col h4 {
  font-family: var(--font-head);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blanco);
  margin-bottom: 1rem;
}
.footer__col ul { display: flex; flex-direction: column; gap: .6rem; }
.footer__col a {
  font-size: .875rem;
  color: rgba(255,255,255,.6);
  transition: color .18s;
}
.footer__col a:hover { color: var(--naranja); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: .8rem;
  color: rgba(255,255,255,.4);
}
.footer__bottom a { color: rgba(255,255,255,.4); }
.footer__bottom a:hover { color: var(--naranja); }

/* --- Page header (inner pages) ---------------------------- */
.page-header {
  background: var(--grafito);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg, transparent, transparent 40px,
    rgba(255,255,255,.015) 40px, rgba(255,255,255,.015) 41px
  );
}
.page-header__inner { position: relative; }
.page-header h1 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--blanco);
  margin-top: .5rem;
}
.page-header p {
  color: rgba(255,255,255,.65);
  margin-top: .75rem;
  font-size: 1.05rem;
  max-width: 54ch;
}

/* --- Breadcrumb ------------------------------------------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  font-size: .82rem;
  color: rgba(255,255,255,.5);
  align-items: center;
}
.breadcrumb a { color: rgba(255,255,255,.55); }
.breadcrumb a:hover { color: var(--naranja); }
.breadcrumb .sep { opacity: .4; }

/* --- Success message -------------------------------------- */
.form-success {
  display: none;
  background: #f0fdf4;
  border: 1px solid #86efac;
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  color: #166534;
}
.form-success svg { width: 40px; height: 40px; margin: 0 auto .75rem; }

/* --- Responsive ------------------------------------------- */
@media (min-width: 768px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }
  .hero__stats { gap: 3rem; }
  .contacto-grid {
    grid-template-columns: 3fr 2fr;
  }
  .cta-banner__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  .ventajas__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .ventajas__divider { display: block; }
}

@media (min-width: 1024px) {
  .navbar__menu { display: flex !important; position: static; background: none; padding: 0; box-shadow: none; }
  .burger { display: none; }
}

@media (max-width: 1023px) {
  .burger { display: flex; }
  .navbar__cta { display: none; }
  .navbar__menu {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: var(--blanco);
    border-bottom: 2px solid var(--naranja);
    box-shadow: var(--shadow-md);
    padding: 1rem var(--pad);
  }
  .navbar__menu.open { display: flex; }
  .navbar__menu a { width: 100%; padding: .75rem 0; border-bottom: 1px solid var(--gris-medio); }
  .navbar__menu a::after { display: none; }
  .navbar { position: relative; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 599px) {
  .footer__grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
}