/* =========================================================
   GRUPO ISCIA - NOSOTROS
   Diseño alineado con index.html
   ========================================================= */

:root {
  --primary: #0d6efd;
  --primary-dark: #0756b8;
  --accent: #16c784;
  --dark: #0b1220;
  --dark-2: #111b2e;
  --text: #273449;
  --muted: #68758a;
  --light: #f5f8fc;
  --white: #ffffff;
  --border: #e4eaf2;
  --shadow: 0 18px 50px rgba(13, 35, 67, .10);
  --radius: 22px;
  --container: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.container {
  width: min(92%, var(--container));
  margin-inline: auto;
}

/* ==================== ELEMENTOS GENERALES ==================== */

.eyebrow {
  display: inline-block;
  margin-bottom: 13px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .16em;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 12px 21px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 800;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  color: var(--white);
  background: var(--primary);
  box-shadow: 0 12px 25px rgba(13, 110, 253, .20);
}

.button-primary:hover {
  background: var(--primary-dark);
}

.button-secondary {
  color: var(--dark);
  background: var(--white);
  border: 1px solid var(--border);
}

.section {
  padding: 105px 0;
}

.section-heading {
  max-width: 760px;
}

.section-heading.left {
  align-self: start;
}

.section-heading.center {
  margin: 0 auto 55px;
  text-align: center;
}

.section-heading h2 {
  margin-bottom: 18px;
  color: var(--dark);
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.08;
  letter-spacing: -.035em;
}

.section-heading h2 strong {
  color: var(--primary);
}

.section-heading p {
  color: var(--muted);
  font-size: 16px;
}

/* ==================== HERO ==================== */

.about-hero {
  position: relative;
  overflow: hidden;
  padding: 105px 0 95px;
  background:
    radial-gradient(circle at 85% 20%, rgba(13, 110, 253, .13), transparent 30%),
    radial-gradient(circle at 10% 80%, rgba(22, 199, 132, .09), transparent 27%),
    linear-gradient(135deg, #f7faff 0%, #eef4fb 100%);
}

.about-hero::before {
  content: "";
  position: absolute;
  width: 460px;
  height: 460px;
  right: -180px;
  top: -220px;
  border: 1px solid rgba(13, 110, 253, .10);
  border-radius: 50%;
}

.about-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 70px;
  align-items: center;
}

.about-hero-content h1 {
  max-width: 760px;
  margin-bottom: 23px;
  color: var(--dark);
  font-size: clamp(42px, 5.5vw, 72px);
  line-height: .99;
  letter-spacing: -.055em;
}

.about-hero-content h1 strong {
  display: block;
  color: var(--primary);
}

.about-hero-content > p {
  max-width: 680px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.about-hero-card {
  position: relative;
  min-height: 390px;
  padding: 44px;
  overflow: hidden;
  border-radius: 30px;
  color: var(--white);
  background:
    linear-gradient(145deg, rgba(21, 39, 67, .98), rgba(8, 18, 33, .98));
  box-shadow: 0 30px 70px rgba(11, 18, 32, .18);
}

.about-hero-card::after {
  content: "";
  position: absolute;
  width: 250px;
  height: 250px;
  right: -100px;
  bottom: -100px;
  border-radius: 50%;
  background: rgba(13, 110, 253, .25);
  filter: blur(4px);
}

.hero-card-icon {
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  margin-bottom: 35px;
  border-radius: 18px;
  background: rgba(255, 255, 255, .09);
  color: #65a7ff;
  font-size: 27px;
}

.about-hero-card > span {
  position: relative;
  z-index: 2;
  color: #75b1ff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .16em;
}

.about-hero-card h2 {
  position: relative;
  z-index: 2;
  max-width: 410px;
  margin: 12px 0 22px;
  font-size: 34px;
  line-height: 1.12;
  letter-spacing: -.035em;
}

.hero-card-line {
  position: relative;
  z-index: 2;
  width: 60px;
  height: 3px;
  margin-bottom: 18px;
  background: var(--primary);
  border-radius: 10px;
}

.about-hero-card p {
  position: relative;
  z-index: 2;
  max-width: 430px;
  color: rgba(255, 255, 255, .70);
}

/* ==================== HISTORIA ==================== */

.history-section {
  background: var(--white);
}

.history-grid {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 90px;
  align-items: start;
}

.history-content {
  max-width: 720px;
}

.history-content p {
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 16px;
}

.history-content strong {
  color: var(--dark);
}

.history-highlight {
  display: flex;
  align-items: center;
  gap: 20px;
  width: fit-content;
  margin-top: 34px;
  padding: 18px 25px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--light);
}

.highlight-number {
  color: var(--primary);
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
}

.history-highlight strong,
.history-highlight small {
  display: block;
}

.history-highlight small {
  color: var(--muted);
}

/* ==================== PROPÓSITO ==================== */

.purpose-section {
  padding: 105px 0;
  background: var(--light);
}

.purpose-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.purpose-card {
  position: relative;
  min-height: 290px;
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 10px 35px rgba(13, 35, 67, .04);
  transition: transform .3s ease, box-shadow .3s ease;
}

.purpose-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow);
}

.purpose-card.featured {
  color: var(--white);
  background: var(--dark);
  border-color: var(--dark);
}

.purpose-number {
  position: absolute;
  top: 23px;
  right: 25px;
  color: #aab5c6;
  font-size: 12px;
  font-weight: 900;
}

.purpose-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  margin-bottom: 35px;
  border-radius: 15px;
  background: #edf4ff;
  color: var(--primary);
  font-size: 20px;
}

.featured .purpose-icon {
  background: rgba(255, 255, 255, .09);
}

.purpose-card h3 {
  margin-bottom: 10px;
  color: inherit;
  font-size: 21px;
}

.purpose-card p {
  color: var(--muted);
  font-size: 14px;
}

.featured p {
  color: rgba(255, 255, 255, .68);
}

/* ==================== MISIÓN / VISIÓN ==================== */

.mission-section {
  background: var(--white);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.mission-card {
  min-height: 420px;
  padding: 48px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: var(--light);
}

.mission-card-dark {
  color: var(--white);
  background: var(--dark);
  border-color: var(--dark);
}

.mission-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  margin: 14px 0 30px;
  border-radius: 16px;
  background: rgba(13, 110, 253, .12);
  color: var(--primary);
  font-size: 22px;
}

.mission-card-dark .mission-icon {
  background: rgba(255, 255, 255, .08);
}

.mission-card h2 {
  max-width: 560px;
  margin-bottom: 20px;
  font-size: 33px;
  line-height: 1.12;
  letter-spacing: -.035em;
}

.mission-card p {
  max-width: 600px;
  color: var(--muted);
}

.mission-card-dark p {
  color: rgba(255, 255, 255, .68);
}

.mission-card .eyebrow {
  color: var(--primary);
}

/* ==================== VALORES ==================== */

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

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.value-card {
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--white);
  transition: transform .25s ease;
}

.value-card:hover {
  transform: translateY(-5px);
}

.value-icon {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  margin-bottom: 23px;
  border-radius: 14px;
  background: #edf4ff;
  color: var(--primary);
  font-size: 19px;
}

.value-card h3 {
  margin-bottom: 8px;
  color: var(--dark);
  font-size: 19px;
}

.value-card p {
  color: var(--muted);
  font-size: 14px;
}

/* ==================== ÁREAS ==================== */

.areas-section {
  padding: 105px 0;
  background: var(--white);
}

.areas-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 85px;
  align-items: center;
}

.areas-content h2 {
  max-width: 560px;
  margin-bottom: 18px;
  color: var(--dark);
  font-size: clamp(34px, 4vw, 50px);
  line-height: 1.08;
  letter-spacing: -.04em;
}

.areas-content h2 strong {
  color: var(--primary);
}

.areas-content p {
  max-width: 570px;
  margin-bottom: 30px;
  color: var(--muted);
}

.areas-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.area-item {
  display: flex;
  gap: 15px;
  align-items: center;
  min-height: 104px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--white);
  box-shadow: 0 8px 28px rgba(13, 35, 67, .04);
}

.area-item > span {
  color: #a2adbd;
  font-size: 11px;
  font-weight: 900;
}

.area-item i {
  display: block;
  margin-bottom: 3px;
  color: var(--primary);
  font-size: 17px;
}

.area-item strong,
.area-item small {
  display: block;
}

.area-item strong {
  color: var(--dark);
  font-size: 14px;
}

.area-item small {
  color: var(--muted);
  font-size: 11px;
}

/* ==================== CTA ==================== */

.cta-section {
  padding: 80px 0;
  color: var(--white);
  background:
    radial-gradient(circle at 85% 20%, rgba(13, 110, 253, .25), transparent 30%),
    var(--dark);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta-inner h2 {
  max-width: 700px;
  margin-bottom: 10px;
  font-size: clamp(30px, 4vw, 47px);
  line-height: 1.08;
  letter-spacing: -.035em;
}

.cta-inner p {
  color: rgba(255, 255, 255, .65);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button-light {
  color: var(--dark);
  background: var(--white);
}

.button-outline-light {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, .28);
}

.button-outline-light:hover {
  background: rgba(255, 255, 255, .08);
}

/* ==================== FOOTER ==================== */

.footer {
  color: rgba(255, 255, 255, .68);
  background: #070d17;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.45fr .8fr .8fr 1fr;
  gap: 45px;
  padding: 70px 0 55px;
}

.footer-brand img {
  width: 150px;
  margin-bottom: 20px;
}

.footer p {
  max-width: 320px;
  font-size: 13px;
}

.footer h3 {
  margin-bottom: 17px;
  color: var(--white);
  font-size: 14px;
}

.footer-grid > div > a:not(.social a) {
  display: block;
  margin-bottom: 9px;
  font-size: 13px;
}

.footer-grid > div > a:hover {
  color: var(--white);
}

.footer-grid strong {
  display: block;
  margin-bottom: 18px;
  color: var(--white);
  font-size: 13px;
}

.social {
  display: flex;
  gap: 9px;
  margin-top: 20px;
}

.social a {
  width: 35px;
  height: 35px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 50%;
  transition: .25s ease;
}

.social a:hover {
  color: var(--white);
  background: var(--primary);
  border-color: var(--primary);
}

.bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
}

.bottom-inner {
  min-height: 65px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 11px;
}

/* ==================== FLOTANTES ==================== */

.whatsapp {
  position: fixed;
  right: 23px;
  bottom: 25px;
  z-index: 900;
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: #2db742;
  box-shadow: 0 12px 30px rgba(45, 183, 66, .30);
  font-size: 26px;
  transition: transform .25s ease;
}

.whatsapp:hover {
  transform: translateY(-4px) scale(1.04);
}

.top {
  position: fixed;
  right: 23px;
  bottom: 91px;
  z-index: 899;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: var(--white);
  background: var(--dark);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: .25s ease;
}

.top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ==================== REVEAL ==================== */

.reveal {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity .7s ease, transform .7s ease;
}

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

/* ==================== RESPONSIVE ==================== */

@media (max-width: 1050px) {
  .header-inner {
    gap: 18px;
  }

  .main-nav {
    gap: 0;
  }

  .main-nav > a,
  .nav-dropdown-toggle {
    padding-inline: 9px;
    font-size: 13px;
  }

  .about-hero-grid,
  .areas-grid {
    gap: 45px;
  }

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

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

@media (max-width: 820px) {
  .header-inner {
    min-height: 74px;
  }

  .menu-toggle {
    display: block;
    order: 3;
  }

  .header-button {
    display: none;
  }

  .main-nav {
    position: absolute;
    left: 4%;
    right: 4%;
    top: calc(100% + 8px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav > a,
  .nav-dropdown-toggle {
    display: block;
    padding: 12px;
  }

  .nav-dropdown-menu {
    position: static;
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    padding: 0 0 5px 10px;
  }

  .nav-dropdown:hover .nav-dropdown-menu {
    display: block;
  }

  .about-hero-grid,
  .history-grid,
  .mission-grid,
  .areas-grid {
    grid-template-columns: 1fr;
  }

  .about-hero {
    padding-top: 75px;
  }

  .history-grid {
    gap: 45px;
  }

  .areas-grid {
    gap: 50px;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 620px) {
  .section,
  .purpose-section,
  .areas-section {
    padding: 75px 0;
  }

  .about-hero {
    padding: 65px 0 70px;
  }

  .about-hero-content h1 {
    font-size: 43px;
  }

  .about-hero-content > p {
    font-size: 16px;
  }

  .about-hero-card {
    min-height: auto;
    padding: 32px;
  }

  .about-hero-card h2 {
    font-size: 28px;
  }

  .purpose-grid,
  .values-grid,
  .areas-list,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .mission-card {
    min-height: auto;
    padding: 34px;
  }

  .section-heading.center {
    margin-bottom: 38px;
  }

  .cta-section {
    padding: 65px 0;
  }

  .bottom-inner {
    padding: 18px 0;
    flex-direction: column;
    align-items: flex-start;
  }

  .whatsapp {
    right: 18px;
    bottom: 18px;
  }

  .top {
    right: 18px;
    bottom: 84px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}