/* CORSOPLAST Landing — Sprint 1M ajustes visuales pre-presentación */

:root {
  --orange: #e85d04;
  --orange-dark: #c2410c;
  --orange-light: #ffedd5;
  --orange-glow: rgba(232, 93, 4, 0.35);
  --black: #0a0a0a;
  --gray-dark: #171717;
  --gray-mid: #404040;
  --gray: #737373;
  --gray-light: #f5f5f5;
  --white: #ffffff;
  --shadow: 0 16px 48px rgba(10, 10, 10, 0.14);
  --shadow-sm: 0 4px 20px rgba(10, 10, 10, 0.08);
  --radius: 14px;
  --header-h: 76px;
  --max-w: 1180px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

ul {
  list-style: none;
}

.container {
  width: min(100% - 2rem, var(--max-w));
  margin-inline: auto;
}

.section {
  padding: 5rem 0;
}

.section--gray {
  background: var(--gray-light);
}

.section--dark {
  background: linear-gradient(165deg, var(--black) 0%, var(--gray-dark) 100%);
  color: var(--white);
}

.section__header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
}

.section__label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.6rem;
}

.section--dark .section__label {
  color: var(--orange-light);
}

.section__title {
  font-size: clamp(1.85rem, 4vw, 2.4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 0.85rem;
  letter-spacing: -0.02em;
}

.section__subtitle {
  color: var(--gray);
  font-size: 1.05rem;
}

.section--dark .section__subtitle {
  color: #a3a3a3;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  min-height: 48px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 10px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--lg {
  padding: 1rem 1.75rem;
  font-size: 1rem;
}

.btn--primary {
  background: var(--orange);
  color: var(--white);
  border-color: var(--orange);
  box-shadow: 0 4px 16px var(--orange-glow);
}

.btn--primary:hover {
  background: var(--orange-dark);
  border-color: var(--orange-dark);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--white);
}

.btn--whatsapp {
  background: #25d366;
  color: var(--white);
  border-color: #25d366;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
}

.btn--whatsapp:hover {
  background: #1da851;
}

.btn__icon {
  flex-shrink: 0;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: box-shadow var(--transition);
}

.header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1rem;
}

.logo {
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--black);
}

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

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav__link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-mid);
  transition: color var(--transition);
  position: relative;
}

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

.nav__cta {
  display: none;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.65rem;
  min-width: 48px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: var(--transition);
}

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

.menu-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

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

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
  background: var(--black);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(10, 10, 10, 0.88) 0%, rgba(23, 23, 23, 0.75) 40%, rgba(232, 93, 4, 0.55) 100%),
    url("https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&w=1920&q=80") center / cover no-repeat;
  z-index: 0;
}

.hero__grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.06;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.5) 1px, transparent 1px);
  background-size: 48px 48px;
}

.hero__shape {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 72px;
  background: var(--white);
  clip-path: polygon(0 50%, 100% 0, 100% 100%, 0 100%);
  z-index: 2;
}

.hero__content {
  position: relative;
  z-index: 3;
  padding: 3.5rem 0 7rem;
  max-width: 720px;
  color: var(--white);
}

.hero__badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(232, 93, 4, 0.25);
  border: 1px solid rgba(255, 237, 213, 0.35);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: clamp(2.25rem, 5.5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 0.75rem;
  letter-spacing: -0.03em;
}

.hero__accent {
  color: var(--orange);
  display: inline;
}

.hero__lead {
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  font-weight: 700;
  color: var(--orange-light);
  margin-bottom: 1rem;
  letter-spacing: 0.01em;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.12rem);
  opacity: 0.92;
  margin-bottom: 2.25rem;
  max-width: 560px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__cards {
  position: absolute;
  right: max(3%, calc((100vw - var(--max-w)) / 2));
  bottom: 22%;
  z-index: 3;
  display: grid;
  gap: 0.65rem;
  max-width: 260px;
}

.hero__card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-left: 3px solid var(--orange);
  border-radius: 10px;
  padding: 0.85rem 1.1rem;
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 500;
}

.hero__card-label {
  display: block;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--orange);
  margin-bottom: 0.1rem;
  letter-spacing: 0.04em;
}

/* Trust bar */
.trust-bar {
  background: var(--black);
  color: var(--white);
  padding: 1.25rem 0;
  border-bottom: 3px solid var(--orange);
}

.trust-bar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem 1.5rem;
}

.trust-bar__item {
  text-align: center;
  padding: 0.25rem 0.5rem;
}

.trust-bar__item strong {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--orange);
  letter-spacing: 0.02em;
}

.trust-bar__item span {
  font-size: 0.78rem;
  color: #a3a3a3;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.trust-bar__divider {
  width: 1px;
  height: 36px;
  background: #404040;
}

.trust-bar__item--cta a {
  color: var(--orange-light);
  font-weight: 700;
  font-size: 0.9rem;
  transition: color var(--transition);
}

.trust-bar__item--cta a:hover {
  color: var(--orange);
}

/* Cards grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.35rem;
}

.cards-grid--sectors {
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: rgba(232, 93, 4, 0.2);
}

.card--sector {
  text-align: center;
  padding: 1.75rem 1rem;
}

.card__icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 0.85rem;
  background: linear-gradient(135deg, var(--orange-light), #fed7aa);
  color: var(--orange-dark);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.card__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.card__text {
  font-size: 0.88rem;
  color: var(--gray);
}

/* Product groups */
.product-group {
  margin-bottom: 2.75rem;
}

.product-group__title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--black);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--orange);
}

.product-group__title span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--orange);
  color: var(--white);
  font-size: 0.75rem;
  border-radius: 8px;
}

.card--product {
  padding: 0;
  overflow: hidden;
}

.card--product .card__head {
  padding: 1.25rem 1.25rem 0.5rem;
  border-bottom: 1px solid var(--gray-light);
}

.card__tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--orange);
  margin-bottom: 0.35rem;
}

.card--product .card__title {
  color: var(--black);
  font-size: 1.2rem;
  margin-bottom: 0;
}

.card--product .card__text,
.card--product .card__examples {
  padding: 0 1.25rem;
}

.card--product .card__text {
  padding-top: 0.85rem;
  margin-bottom: 0.5rem;
}

.card--product .card__examples {
  padding-bottom: 1.25rem;
  font-size: 0.85rem;
  color: var(--gray-mid);
}

.card--product .card__examples li {
  list-style: none;
  padding-left: 1.1rem;
  position: relative;
  margin-bottom: 0.3rem;
}

.card--product .card__examples li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  background: var(--orange);
  border-radius: 50%;
}

.product-cta {
  text-align: center;
  margin-top: 1rem;
}

/* About */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.about__visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 360px;
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);
  box-shadow: var(--shadow);
}

.about__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  mix-blend-mode: luminosity;
}

.about__quote {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  background: rgba(10, 10, 10, 0.9);
  color: var(--white);
  padding: 1.35rem 1.5rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  border-left: 4px solid var(--orange);
}

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

.about__text p {
  margin-bottom: 1rem;
  color: var(--gray-mid);
}

.about__list {
  margin: 1.25rem 0 1.75rem;
}

.about__list li {
  padding: 0.5rem 0 0.5rem 1.5rem;
  position: relative;
  color: var(--gray-mid);
  font-size: 0.95rem;
}

.about__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--orange);
  font-weight: 700;
}

/* Benefits */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}

.benefit {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.35rem;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: border-color var(--transition);
}

.benefit:hover {
  border-color: rgba(232, 93, 4, 0.25);
}

.benefit__check {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  background: var(--orange);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
}

/* Gallery */
.gallery-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
}

.gallery-tag {
  padding: 0.6rem 1.2rem;
  background: var(--white);
  border: 2px solid var(--orange);
  color: var(--orange-dark);
  font-weight: 700;
  font-size: 0.82rem;
  border-radius: 999px;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.gallery-tag:hover {
  background: var(--orange);
  color: var(--white);
  transform: translateY(-2px);
}

.gallery__visual {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.gallery__visual img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery__visual img:hover {
  transform: scale(1.04);
}

/* Contact */
.contact-promo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  background: linear-gradient(135deg, rgba(232, 93, 4, 0.2) 0%, rgba(232, 93, 4, 0.05) 100%);
  border: 1px solid rgba(232, 93, 4, 0.35);
  border-radius: var(--radius);
  padding: 1.75rem 2rem;
  margin-bottom: 2rem;
}

.contact-promo__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--orange-light);
  margin-bottom: 0.25rem;
}

.contact-promo__phone {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 0.35rem;
}

.contact-promo__hint {
  font-size: 0.9rem;
  color: #a3a3a3;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.contact-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.contact-card--highlight {
  border-color: rgba(232, 93, 4, 0.4);
  background: rgba(232, 93, 4, 0.08);
}

.contact-card h3 {
  font-size: 1rem;
  margin-bottom: 1.25rem;
  color: var(--orange-light);
}

.contact-card__row {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-bottom: 1rem;
}

.contact-card__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #737373;
}

.contact-card a {
  font-size: 1rem;
  font-weight: 600;
  color: #e5e5e5;
}

.contact-card a:hover {
  color: var(--orange);
}

.contact-wa-btn {
  margin-top: 0.5rem;
  width: 100%;
}

/* Footer */
.footer {
  background: var(--black);
  color: #a3a3a3;
  padding: 3.5rem 0 1.75rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer__brand {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 0.35rem;
  letter-spacing: 0.05em;
}

.footer__brand span {
  color: var(--orange);
}

.footer__tagline {
  color: var(--orange);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.footer__desc {
  font-size: 0.88rem;
  line-height: 1.6;
  max-width: 280px;
}

.footer h4 {
  color: var(--white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.footer ul li {
  margin-bottom: 0.55rem;
  font-size: 0.9rem;
}

.footer a:hover {
  color: var(--orange);
}

.footer__contact a {
  word-break: break-all;
}

.footer__bottom {
  padding-top: 1.75rem;
  border-top: 1px solid #262626;
  font-size: 0.82rem;
  text-align: center;
  color: #737373;
}

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: #25d366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.45);
  transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 10px 36px rgba(37, 211, 102, 0.55);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

/* Back to top */
.back-top {
  position: fixed;
  bottom: 5.75rem;
  right: 1.25rem;
  z-index: 998;
  width: 46px;
  height: 46px;
  background: var(--gray-dark);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), background var(--transition);
}

.back-top.is-visible {
  opacity: 1;
  visibility: visible;
}

.back-top:hover {
  transform: translateY(-3px);
  background: var(--orange);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1100px) {
  .hero__cards {
    display: none;
  }

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

@media (max-width: 900px) {
  .about {
    grid-template-columns: 1fr;
  }

  .gallery__visual {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-bar__divider {
    display: none;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 3.5rem 0;
  }

  .menu-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1rem 1.25rem 1.5rem;
    gap: 0;
    border-bottom: 1px solid #e5e5e5;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__link {
    display: block;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--gray-light);
    width: 100%;
    min-height: 48px;
    display: flex;
    align-items: center;
  }

  .nav__cta {
    display: flex;
    margin-top: 0.75rem;
    width: 100%;
  }

  .header__cta-desktop {
    display: none;
  }

  .hero__content {
    padding-bottom: 5rem;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

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

  .contact-promo {
    flex-direction: column;
    text-align: center;
  }

  .contact-promo__btn {
    width: 100%;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .cards-grid--sectors {
    grid-template-columns: repeat(2, 1fr);
  }

  .whatsapp-float {
    width: 56px;
    height: 56px;
    bottom: 1rem;
    right: 1rem;
  }
}

@media (min-width: 769px) {
  .header__cta-desktop {
    display: inline-flex;
  }
}

@media (max-width: 400px) {
  .cards-grid--sectors {
    grid-template-columns: 1fr;
  }
}