/* ===================================================
   4U Soft SpA — styles.css
   Architecture: BEM + CSS Custom Properties
   Strategy: Mobile-first, min-width breakpoints
   =================================================== */

/* ── 0. FONTS ──────────────────────────────────────── */
@import url('assets/fonts/fonts.css');

/* ── 1. CUSTOM PROPERTIES ─────────────────────────── */
:root {
  /* Brand colours — decoration/fills */
  --clr-indigo:         #4B418E;
  --clr-indigo-dark:    #3A3170;
  --clr-cyan:           #3CCCD3;
  --clr-magenta:        #E94B8A;

  /* WCAG AA compliant variants — TEXT ON WHITE only */
  --clr-indigo-text:    #4B418E; /* 5.78:1 ✓ */
  --clr-cyan-text:      #1A9FA7; /* 4.56:1 ✓ */
  --clr-magenta-text:   #C73A72; /* 4.61:1 ✓ */

  /* Neutrals */
  --clr-bg:             #FFFFFF;
  --clr-bg-soft:        #F8F7FF;
  --clr-ink:            #1A1A2E;
  --clr-ink-muted:      #5A5A7A;
  --clr-ink-light:      #8E8EA8;
  --clr-border:         #E8E8F0;

  /* Typography */
  --ff-display:         'Gelasio', Georgia, serif;
  --ff-body:            'Ubuntu', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --fw-light:           300;
  --fw-regular:         400;
  --fw-medium:          500;
  --fw-semibold:        600;
  --fw-bold:            700;

  /* Spacing scale */
  --sp-1:   0.25rem;
  --sp-2:   0.5rem;
  --sp-3:   0.75rem;
  --sp-4:   1rem;
  --sp-5:   1.25rem;
  --sp-6:   1.5rem;
  --sp-8:   2rem;
  --sp-10:  2.5rem;
  --sp-12:  3rem;
  --sp-16:  4rem;
  --sp-20:  5rem;
  --sp-24:  6rem;
  --sp-32:  8rem;

  /* Radius */
  --r-sm:   0.5rem;
  --r-md:   0.75rem;
  --r-lg:   1rem;
  --r-xl:   1.5rem;
  --r-2xl:  2rem;
  --r-full: 9999px;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(75,65,142,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:   0 4px 16px rgba(75,65,142,.10), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg:   0 8px 32px rgba(75,65,142,.14), 0 4px 12px rgba(0,0,0,.08);
  --shadow-card: 0 2px 12px rgba(75,65,142,.08);

  /* Header */
  --header-h: 72px;

  /* Page layout — shared gutters & column */
  --page-max: 1120px;
  --page-max-sm: 720px;
  --page-gutter: 1.75rem;
  --section-y: 4.5rem;

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 150ms var(--ease-out);
  --t-base: 250ms var(--ease-out);
  --t-slow: 400ms var(--ease-out);
}

/* ── 2. BASE RESET ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--clr-bg);
  color: var(--clr-ink);
  font-family: var(--ff-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0; }
h1,h2,h3,h4,h5,h6 { margin: 0; }
address { font-style: normal; }
figure { margin: 0; }

/* ── 3. ACCESSIBILITY ──────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: -100%;
  left: var(--page-gutter);
  z-index: 9999;
  padding: var(--sp-3) var(--sp-6);
  background: var(--clr-indigo);
  color: #fff;
  font-size: 0.9rem;
  font-weight: var(--fw-semibold);
  border-radius: var(--r-md);
  transition: top var(--t-fast);
}
.skip-link:focus {
  top: var(--sp-4);
  outline: 3px solid var(--clr-cyan);
  outline-offset: 3px;
}

:focus-visible {
  outline: 3px solid var(--clr-indigo);
  outline-offset: 3px;
}

/* ── 4. LAYOUT UTILITIES ───────────────────────────── */
@media (min-width: 640px) {
  :root { --page-gutter: 2.25rem; --section-y: 5rem; }
}
@media (min-width: 768px) {
  :root { --page-gutter: 2.75rem; --section-y: 5.5rem; }
}
@media (min-width: 1024px) {
  :root { --page-gutter: 3.5rem; --section-y: 6.5rem; }
}
@media (min-width: 1280px) {
  :root { --page-gutter: 4.5rem; }
}

.container {
  width: min(100%, calc(var(--page-max) + 2 * var(--page-gutter)));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}
.container--sm {
  width: min(100%, calc(var(--page-max-sm) + 2 * var(--page-gutter)));
}

.section {
  padding-top: calc(var(--section-y) * 0.7);
  padding-bottom: var(--section-y);
}

.section__header { margin-bottom: var(--sp-12); }

.section__title {
  font-family: var(--ff-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: var(--fw-bold);
  color: var(--clr-indigo);
  line-height: 1.15;
}
.section__title--center { text-align: center; }

.section__subtitle {
  margin-top: var(--sp-3);
  font-size: 1.1rem;
  color: var(--clr-ink-muted);
  text-align: center;
}

/* Wavy SVG underline */
.wavy-wrap {
  position: relative;
  display: inline;
  white-space: nowrap;
}
.wavy-svg {
  position: absolute;
  bottom: -0.35em;
  left: 0;
  width: 100%;
  height: 0.35em;
  pointer-events: none;
  overflow: visible;
}

/* ── 5. HEADER ─────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--header-h);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: var(--sp-4);
}

.header__logo {
  flex-shrink: 0;
}
.header__logo-img {
  display: block;
  height: 48px;
  width: auto;
  max-width: none;
  object-fit: contain;
}

.main-nav {
  display: none;
  align-items: center;
  gap: var(--sp-8);
  min-width: 0;
  flex-shrink: 0;
}
@media (min-width: 1024px) {
  .main-nav { display: flex; }
}

.main-nav__link {
  font-size: 0.95rem;
  font-weight: var(--fw-medium);
  color: var(--clr-ink-muted);
  transition: color var(--t-fast);
  padding-block: var(--sp-1);
  white-space: nowrap;
}
.main-nav__link:hover,
.main-nav__link:focus-visible { color: var(--clr-indigo); }

.main-nav__btn {
  display: inline-flex;
  align-items: center;
  padding: var(--sp-2) var(--sp-6);
  background: var(--clr-magenta);
  color: #fff;
  font-size: 0.9rem;
  font-weight: var(--fw-semibold);
  border-radius: var(--r-full);
  transition: background var(--t-fast), box-shadow var(--t-fast);
}
.main-nav__btn:hover,
.main-nav__btn:focus-visible {
  background: #d04179;
  box-shadow: 0 4px 14px rgba(233,75,138,.35);
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--sp-2);
  border-radius: var(--r-sm);
  transition: background var(--t-fast);
}
@media (min-width: 1024px) { .hamburger { display: none; } }

.hamburger__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-ink);
  border-radius: 2px;
  transition: transform var(--t-base), opacity var(--t-base);
}
.hamburger[aria-expanded="true"] .hamburger__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] .hamburger__bar:nth-child(2) {
  opacity: 0;
}
.hamburger[aria-expanded="true"] .hamburger__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  display: flex;
  flex-direction: column;
  padding: var(--sp-4) var(--page-gutter);
  background: #fff;
  border-top: 1px solid var(--clr-border);
  box-shadow: var(--shadow-md);
  gap: var(--sp-1);
}
.mobile-menu[hidden] { display: none !important; }
@media (min-width: 1024px) { .mobile-menu { display: none !important; } }

.mobile-menu__link {
  display: block;
  padding: var(--sp-3) var(--sp-4);
  font-size: 1rem;
  color: var(--clr-ink);
  border-radius: var(--r-md);
  transition: background var(--t-fast), color var(--t-fast);
}
.mobile-menu__link:hover,
.mobile-menu__link:focus-visible {
  background: var(--clr-bg-soft);
  color: var(--clr-indigo);
}

.mobile-menu__cta {
  display: block;
  margin-top: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  text-align: center;
  background: var(--clr-magenta);
  color: #fff;
  border-radius: var(--r-md);
  font-weight: var(--fw-semibold);
  transition: background var(--t-fast);
}
.mobile-menu__cta:hover,
.mobile-menu__cta:focus-visible { background: #d04179; }

/* ── 6. BUTTONS ────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 0.875rem 1.75rem;
  font-family: var(--ff-body);
  font-size: 0.95rem;
  font-weight: var(--fw-semibold);
  line-height: 1;
  border-radius: var(--r-lg);
  transition: transform var(--t-base), box-shadow var(--t-base), background var(--t-fast);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 3px solid var(--clr-indigo);
  outline-offset: 3px;
}
.btn:active { transform: scale(0.97); }

.btn--primary {
  background: var(--clr-magenta);
  color: #fff;
  box-shadow: 0 4px 20px rgba(233,75,138,.3);
}
.btn--primary:hover {
  background: #d04179;
  box-shadow: 0 8px 28px rgba(233,75,138,.4);
  transform: translateY(-2px);
}

.btn--secondary {
  background: transparent;
  color: var(--clr-indigo-text);
  border-color: var(--clr-indigo);
}
.btn--secondary:hover {
  background: var(--clr-indigo);
  color: #fff;
  transform: translateY(-2px);
}

.btn--lg { padding: 1.1rem 2.25rem; font-size: 1rem; }

/* ── 7. SEPARATOR ──────────────────────────────────── */
.separator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  padding-block: var(--sp-4);
}
.sep-dot {
  display: block;
  width: 8px; height: 8px;
  border-radius: 50%;
  transition: transform 0.4s var(--ease-out);
}
.sep-dot:hover { transform: scale(1.6); }
.sep-dot--cyan    { background: var(--clr-cyan); }
.sep-dot--magenta { background: var(--clr-magenta); }

/* ── 8. HERO ───────────────────────────────────────── */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + var(--section-y) - 20px);
  padding-bottom: 0;
  overflow: hidden;
}
@media (min-width: 1024px) {
  .hero {
    padding-top: calc(var(--header-h) + var(--section-y) - 20px);
    padding-bottom: calc(var(--section-y) - 40px);
    overflow: visible;
  }
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 70% 50%, rgba(60,204,211,.12) 0%, transparent 70%),
              radial-gradient(ellipse 50% 50% at 20% 80%, rgba(75,65,142,.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
  align-items: center;
}
@media (min-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr 1fr; gap: var(--sp-8); }
  .hero__content {
    transform: scale(0.945);
    transform-origin: left center;
  }
  .hero__illustration {
    max-width: 100%;
    transform: translateY(2.5rem) scale(1.1);
    transform-origin: center bottom;
  }
}

.hero__content { position: relative; z-index: 1; }
@media (min-width: 1024px) {
  .hero__content .hero__title { margin-top: -1.25rem; }
  .hero__content .hero__desc { margin-bottom: calc(var(--sp-8) + 1.25rem); }
}

.hero__title {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: var(--fw-bold);
  color: var(--clr-indigo);
  line-height: 1.15;
  margin-bottom: var(--sp-6);
}
.hero__title .wavy-svg {
  bottom: -0.08em;
}

.hero__lead--full { display: inline; }
.hero__lead--split { display: none; }
@media (max-width: 458px) {
  .hero__lead--full { display: none; }
  .hero__lead--split {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    row-gap: 0.12em;
  }
}

.hero__subtitle {
  display: block;
  font-size: clamp(2rem, 5vw, 52px);
  font-style: italic;
  font-weight: var(--fw-semibold);
  color: var(--clr-indigo);
  margin-top: var(--sp-2);
}

.hero__desc {
  font-size: 1.1rem;
  color: var(--clr-ink-muted);
  line-height: 1.7;
  margin-bottom: var(--sp-8);
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.hero__image {
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.hero__illustration {
  width: 100%;
  max-width: 420px;
  height: auto;
  object-fit: contain;
  display: block;
}

/* ── 9. QUOTE ──────────────────────────────────────── */
.quote-section {
  padding-top: calc(var(--section-y) * 0.7);
  padding-bottom: var(--section-y);
  background: var(--clr-bg);
}

.quote {
  text-align: center;
}

.quote__text {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  font-family: var(--ff-body);
  font-size: clamp(1.25rem, 3vw, 1.875rem);
  font-weight: var(--fw-regular);
  color: var(--clr-indigo-text);
  line-height: 1.4;
}

.quote__mark {
  flex-shrink: 0;
  font-family: var(--ff-display);
  font-size: clamp(3.25rem, 6vw, 5.5rem);
  font-weight: var(--fw-bold);
  line-height: 0.65;
  color: var(--clr-cyan);
  user-select: none;
}
.quote__mark--open { align-self: flex-start; }
.quote__mark--close { align-self: flex-end; }

.quote__author {
  margin-top: var(--sp-4);
  font-size: 1.1rem;
  color: var(--clr-ink-light);
}

/* ── 10. DIAGNÓSTICO / PROBLEMA—SOLUCIÓN ───────────── */
.diag__col-labels {
  display: none;
}
@media (min-width: 768px) {
  .diag__col-labels {
    display: grid;
    grid-template-columns: 1fr 96px 1fr;
    gap: var(--sp-8);
    margin-bottom: var(--sp-8);
  }
}

.diag__label {
  font-size: 1.05rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.diag__label--problem  { text-align: right; color: var(--clr-magenta-text); }
.diag__label--solution { text-align: left;  color: var(--clr-cyan-text);    }

.diag__spine {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-12);
  isolation: isolate;
}

.diag__line {
  display: none;
}
@media (min-width: 768px) {
  .diag__line {
    display: block;
    position: absolute;
    left: calc(50% - 1px);
    top: 0; bottom: 0;
    width: 2px;
    z-index: 0;
    background: linear-gradient(
      to bottom,
      rgba(233,75,138,.5),
      rgba(75,65,142,.65) 50%,
      rgba(60,204,211,.5)
    );
  }
}

.diag__row {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}
@media (min-width: 768px) {
  .diag__row {
    display: grid;
    grid-template-columns: 1fr 96px 1fr;
    gap: var(--sp-8);
    align-items: center;
  }
}

.diag__problem,
.diag__solution {
  background: var(--clr-bg-soft);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  padding: var(--sp-6);
  transition: box-shadow var(--t-base), transform var(--t-base);
}
.diag__problem:hover,
.diag__solution:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.diag__title-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}
.diag__title-row--right {
  flex-direction: row-reverse;
}
@media (max-width: 767px) {
  .diag__title-row--right { flex-direction: row; }
}

.diag__icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
}
.diag__icon--magenta { background: rgba(199,58,114,.12); color: var(--clr-magenta-text); }
.diag__icon--indigo  { background: rgba(75,65,142,.12);  color: var(--clr-indigo-text);  }
.diag__icon--cyan    { background: rgba(26,159,167,.12); color: var(--clr-cyan-text);    }

.diag__problem .diag__icon {
  background: rgba(199,58,114,.12);
  color: var(--clr-magenta-text);
}
.diag__solution .diag__icon {
  background: rgba(26,159,167,.12);
  color: var(--clr-cyan-text);
}

.diag__title {
  font-size: 1rem;
  font-weight: var(--fw-bold);
  color: var(--clr-ink);
}
.diag__problem .diag__title {
  color: var(--clr-magenta-text);
}
.diag__solution .diag__title {
  color: var(--clr-cyan-text);
}

.diag__desc {
  font-size: 0.925rem;
  color: var(--clr-ink-muted);
  line-height: 1.6;
}
.diag__desc--right {
  text-align: right;
}
@media (max-width: 767px) {
  .diag__desc--right { text-align: left; }
}

.diag__node {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  height: 100%;
}
@media (max-width: 767px) { .diag__node { order: -1; height: auto; } }

.diag__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px; height: 60px;
  background: var(--clr-indigo);
  color: #fff;
  -webkit-text-fill-color: #fff;
  font-size: 1.2rem;
  font-weight: var(--fw-bold);
  line-height: 1;
  letter-spacing: 0.02em;
  border-radius: 50%;
  box-shadow: 0 0 0 6px var(--clr-bg);
  flex-shrink: 0;
  -webkit-font-smoothing: antialiased;
  text-shadow: 0 0 0.6px #fff, 0 0 0.6px #fff;
}
.diag__num--magenta { background: var(--clr-magenta-text); }
.diag__num--cyan    { background: var(--clr-cyan-text); }

/* ── 11. CATÁLOGO SERVICIOS ────────────────────────── */
.sol-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
}
@media (min-width: 640px) {
  .sol-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .sol-grid { grid-template-columns: repeat(3, 1fr); }
  .sol-grid > li:nth-child(4) { grid-column: 1; }
  .sol-grid > li:nth-child(5) { grid-column: 2; }
}

.sol-card {
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  padding: var(--sp-8) var(--sp-6);
  box-shadow: var(--shadow-card);
  transition: transform var(--t-base), box-shadow var(--t-base);
  position: relative;
  overflow: hidden;
}
.sol-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  border-radius: var(--r-full) var(--r-full) 0 0;
  transition: height var(--t-base);
}
.sol-card--indigo::before  { background: var(--clr-indigo); }
.sol-card--cyan::before    { background: var(--clr-cyan);   }
.sol-card--magenta::before { background: var(--clr-magenta);}

.sol-card:hover,
.sol-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.sol-card:hover::before,
.sol-card:focus-within::before { height: 6px; }

.sol-card__icon {
  width: 60px; height: 60px;
  border-radius: var(--r-lg);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--sp-5);
}
.sol-card__title {
  font-size: 1.05rem;
  font-weight: var(--fw-bold);
  color: var(--clr-ink);
  margin-bottom: var(--sp-3);
}

.sol-card__line {
  width: 40px; height: 3px;
  border-radius: 2px;
  margin-bottom: var(--sp-4);
  transition: width var(--t-base);
}
.sol-card--indigo .sol-card__line  { background: var(--clr-indigo); }
.sol-card--cyan   .sol-card__line  { background: var(--clr-cyan);   }
.sol-card--magenta .sol-card__line { background: var(--clr-magenta); }
.sol-card:hover .sol-card__line,
.sol-card:focus-within .sol-card__line { width: 70px; }

.sol-card__desc {
  font-size: 0.9rem;
  color: var(--clr-ink-muted);
  line-height: 1.65;
}

.sol-showcase {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  max-width: 50rem;
  margin-inline: auto;
}

.sol-icon-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--sp-3);
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
}
.sol-icon-row__item { min-width: 0; }
@media (min-width: 640px) {
  .sol-icon-row { gap: var(--sp-6); }
}

.sol-icon-row__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  border-radius: var(--r-xl);
  cursor: pointer;
}
.sol-icon-row__btn:focus-visible {
  outline: 3px solid var(--clr-indigo);
  outline-offset: 4px;
}

.sol-icon-row .sol-card__icon {
  margin-bottom: 0;
  width: 100%;
  max-width: 98px;
  height: auto;
  aspect-ratio: 1;
  margin-inline: auto;
  border-radius: var(--r-xl);
  opacity: 0.5;
  transition: transform var(--t-base), box-shadow var(--t-base), opacity var(--t-base);
}
@media (min-width: 640px) {
  .sol-icon-row .sol-card__icon { max-width: none; }
}
.sol-icon-row .sol-card__icon svg {
  width: 42%;
  height: 42%;
}
.sol-icon-row__item--indigo .sol-card__icon  { background: var(--clr-indigo); }
.sol-icon-row__item--cyan .sol-card__icon    { background: var(--clr-cyan); }
.sol-icon-row__item--magenta .sol-card__icon { background: var(--clr-magenta); }

.sol-icon-row__label {
  font-size: 0.7rem;
  font-weight: var(--fw-bold);
  line-height: 1.25;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  overflow-wrap: anywhere;
  color: var(--clr-ink-light);
  transition: color var(--t-base);
}
@media (min-width: 640px) {
  .sol-icon-row__label { font-size: 1.05rem; overflow-wrap: normal; }
}

.sol-showcase:not(.is-open) .sol-icon-row__item:nth-child(1) .sol-card__icon { animation: sol-invite 12.5s ease-in-out infinite; }
.sol-showcase:not(.is-open) .sol-icon-row__item:nth-child(2) .sol-card__icon { animation: sol-invite 12.5s ease-in-out 2.5s infinite; }
.sol-showcase:not(.is-open) .sol-icon-row__item:nth-child(3) .sol-card__icon { animation: sol-invite 12.5s ease-in-out 5s infinite; }
.sol-showcase:not(.is-open) .sol-icon-row__item:nth-child(4) .sol-card__icon { animation: sol-invite 12.5s ease-in-out 7.5s infinite; }
.sol-showcase:not(.is-open) .sol-icon-row__item:nth-child(5) .sol-card__icon { animation: sol-invite 12.5s ease-in-out 10s infinite; }
.sol-showcase:not(.is-open) .sol-icon-row__item:nth-child(1) .sol-icon-row__label { animation: sol-invite-label 12.5s ease-in-out infinite; }
.sol-showcase:not(.is-open) .sol-icon-row__item:nth-child(2) .sol-icon-row__label { animation: sol-invite-label 12.5s ease-in-out 2.5s infinite; }
.sol-showcase:not(.is-open) .sol-icon-row__item:nth-child(3) .sol-icon-row__label { animation: sol-invite-label 12.5s ease-in-out 5s infinite; }
.sol-showcase:not(.is-open) .sol-icon-row__item:nth-child(4) .sol-icon-row__label { animation: sol-invite-label 12.5s ease-in-out 7.5s infinite; }
.sol-showcase:not(.is-open) .sol-icon-row__item:nth-child(5) .sol-icon-row__label { animation: sol-invite-label 12.5s ease-in-out 10s infinite; }

@keyframes sol-invite {
  0%, 20%, 100% { opacity: 0.5; transform: none; }
  8%, 12% { opacity: 1; transform: translateY(-4px); }
}
@keyframes sol-invite-label {
  0%, 20%, 100% { color: var(--clr-ink-light); }
  8%, 12% { color: var(--clr-ink); }
}

.sol-icon-row:hover .sol-card__icon,
.sol-icon-row:hover .sol-icon-row__label,
.sol-showcase.is-open .sol-card__icon,
.sol-showcase.is-open .sol-icon-row__label {
  animation: none;
}

.sol-icon-row__btn:hover .sol-card__icon,
.sol-icon-row__btn:focus-visible .sol-card__icon,
.sol-icon-row__item.is-active .sol-card__icon {
  opacity: 1;
  transform: translateY(-4px);
}
.sol-icon-row__btn:hover .sol-icon-row__label,
.sol-icon-row__btn:focus-visible .sol-icon-row__label,
.sol-icon-row__item.is-active .sol-icon-row__label {
  color: var(--clr-ink);
}
.sol-icon-row__item--indigo.is-active .sol-icon-row__label,
.sol-icon-row__item--indigo .sol-icon-row__btn:hover .sol-icon-row__label {
  color: var(--clr-indigo-text);
}
.sol-icon-row__item--cyan.is-active .sol-icon-row__label,
.sol-icon-row__item--cyan .sol-icon-row__btn:hover .sol-icon-row__label {
  color: var(--clr-cyan-text);
}
.sol-icon-row__item--magenta.is-active .sol-icon-row__label,
.sol-icon-row__item--magenta .sol-icon-row__btn:hover .sol-icon-row__label {
  color: var(--clr-magenta-text);
}
.sol-icon-row__item--indigo .sol-icon-row__btn:hover .sol-card__icon,
.sol-icon-row__item--indigo .sol-icon-row__btn:focus-visible .sol-card__icon,
.sol-icon-row__item--indigo.is-active .sol-card__icon {
  box-shadow: 0 12px 24px rgba(75, 65, 142, 0.28);
}
.sol-icon-row__item--cyan .sol-icon-row__btn:hover .sol-card__icon,
.sol-icon-row__item--cyan .sol-icon-row__btn:focus-visible .sol-card__icon,
.sol-icon-row__item--cyan.is-active .sol-card__icon {
  box-shadow: 0 12px 24px rgba(60, 204, 211, 0.32);
}
.sol-icon-row__item--magenta .sol-icon-row__btn:hover .sol-card__icon,
.sol-icon-row__item--magenta .sol-icon-row__btn:focus-visible .sol-card__icon,
.sol-icon-row__item--magenta.is-active .sol-card__icon {
  box-shadow: 0 12px 24px rgba(233, 75, 138, 0.3);
}

.sol-dropdown-wrap {
  display: grid;
  grid-template-rows: 0fr;
  position: relative;
  width: 100%;
  transition: grid-template-rows var(--t-slow);
}
.sol-showcase.is-open .sol-dropdown-wrap {
  grid-template-rows: 1fr;
}

.sol-showcase--indigo  { --caret-color: var(--clr-indigo); }
.sol-showcase--cyan    { --caret-color: var(--clr-cyan); }
.sol-showcase--magenta { --caret-color: var(--clr-magenta); }

.sol-dropdown__caret {
  position: absolute;
  top: calc(2rem - 11px);
  left: var(--caret-x, 50%);
  width: 0;
  height: 0;
  border: 0;
  background: transparent;
  border-left: 12px solid transparent;
  border-right: 12px solid transparent;
  border-bottom: 11px solid var(--caret-color, var(--clr-indigo));
  transform: translateX(-50%);
  opacity: 0;
  pointer-events: none;
  z-index: 3;
  filter: drop-shadow(0 1px 2px rgba(75, 65, 142, 0.16));
  transition: left var(--t-base), opacity var(--t-fast), border-bottom-color var(--t-fast);
}
.sol-showcase.is-open .sol-dropdown__caret {
  opacity: 1;
}

.sol-stage {
  display: grid;
  list-style: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  min-height: 0;
}
.sol-showcase.is-open .sol-stage {
  padding-top: 2rem;
}

.sol-stage > li {
  grid-area: 1 / 1;
  width: min(22.5rem, 100%);
  max-width: 100%;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--t-base), transform var(--t-base), visibility var(--t-base);
}
.sol-stage > li.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
}
.sol-stage .sol-card {
  height: 100%;
}
.sol-stage .sol-card:hover,
.sol-stage .sol-card:focus-within {
  transform: none;
}
.sol-stage .sol-card__line {
  width: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 750ms var(--ease-out);
}
.sol-stage .sol-card:hover .sol-card__line,
.sol-stage .sol-card:focus-within .sol-card__line,
.sol-stage > li.is-active .sol-card__line {
  width: 100%;
  transform: scaleX(1);
}
.sol-stage > li.is-active .sol-card::before { height: 6px; }

@media (prefers-reduced-motion: reduce) {
  .sol-icon-row .sol-card__icon,
  .sol-icon-row__label,
  .sol-dropdown-wrap,
  .sol-dropdown__caret,
  .sol-stage > li {
    animation: none;
    transition: none;
    transform: none;
  }
}

/* ── 12. 4U APPROACH ───────────────────────────────── */
.approach {
  background: var(--clr-bg);
}

.approach__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
}
@media (min-width: 768px) {
  .approach__steps { grid-template-columns: repeat(3, 1fr); }
}

.approach__step {
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  padding: var(--sp-8) var(--sp-6);
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: transform var(--t-base), box-shadow var(--t-base);
  position: relative;
}
.approach__step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.approach__step-num {
  position: absolute;
  top: var(--sp-4); right: var(--sp-4);
  font-size: 0.75rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.06em;
  color: var(--clr-indigo);
}
.approach__step--magenta .approach__step-num {
  color: var(--clr-magenta-text);
}
.approach__step--cyan .approach__step-num {
  color: var(--clr-cyan-text);
}

.approach__step-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(75,65,142,.1), rgba(60,204,211,.15));
  color: var(--clr-indigo-text);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--sp-5);
  border: 2px solid rgba(75,65,142,.15);
  transition: background var(--t-base), border-color var(--t-base), color var(--t-base);
}
.approach__step:hover .approach__step-icon {
  background: var(--clr-indigo);
  border-color: var(--clr-indigo);
  color: #fff;
}

.approach__step--magenta .approach__step-icon {
  background: rgba(199,58,114,.12);
  border-color: rgba(199,58,114,.2);
  color: var(--clr-magenta-text);
}
.approach__step--magenta:hover .approach__step-icon {
  background: var(--clr-magenta-text);
  border-color: var(--clr-magenta-text);
  color: #fff;
}

.approach__step--cyan .approach__step-icon {
  background: rgba(26,159,167,.12);
  border-color: rgba(26,159,167,.2);
  color: var(--clr-cyan-text);
}
.approach__step--cyan:hover .approach__step-icon {
  background: var(--clr-cyan-text);
  border-color: var(--clr-cyan-text);
  color: #fff;
}

.approach__step-title {
  font-size: 1.05rem;
  font-weight: var(--fw-bold);
  color: var(--clr-indigo);
  margin-bottom: var(--sp-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.approach__step--magenta .approach__step-title {
  color: var(--clr-magenta-text);
}
.approach__step--cyan .approach__step-title {
  color: var(--clr-cyan-text);
}

.approach__step-desc {
  font-size: 0.9rem;
  color: var(--clr-ink-muted);
  line-height: 1.65;
}

/* ── 14. EQUIPO ────────────────────────────────────── */
.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
  max-width: 100%;
  margin-inline: auto;
}
@media (min-width: 640px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) {
  .team-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--sp-4);
  }
  .team-card__name { font-size: 1rem; }
  .team-card__bio { font-size: 0.8rem; }
}

.team-card {
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  overflow: visible;
  box-shadow: var(--shadow-card);
  transition: transform var(--t-base), box-shadow var(--t-base);
}
.team-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.team-card__img-wrap {
  position: relative;
  width: calc(100% - 2 * var(--sp-5));
  aspect-ratio: 1 / 1;
  margin: var(--sp-5) auto var(--sp-2);
  border-radius: 50%;
  overflow: hidden;
  background: #f4f4f5;
  box-shadow: 0 8px 22px rgba(75, 65, 142, 0.2), 0 2px 6px rgba(0, 0, 0, 0.08);
}

.team-card__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  transition: transform 0.5s var(--ease-out);
}
.team-card:hover .team-card__img { transform: scale(1.04); }

.team-card__body { padding: var(--sp-4); }

.team-card__bar {
  height: 3px;
  width: 40px;
  border-radius: 2px;
  margin-bottom: var(--sp-3);
  transition: width var(--t-slow);
}
.team-card:hover .team-card__bar { width: 100%; }
.team-card__bar--indigo  { background: var(--clr-indigo); }
.team-card__bar--cyan    { background: var(--clr-cyan); }
.team-card__bar--magenta { background: var(--clr-magenta); }

.team-card__name {
  font-size: 1.15rem;
  font-weight: var(--fw-bold);
  color: var(--clr-ink);
  margin-bottom: var(--sp-1);
}

.team-card__role {
  font-size: 0.85rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
}
.team-card__role--indigo  { color: var(--clr-indigo-text);  }
.team-card__role--cyan    { color: var(--clr-cyan-text);    }
.team-card__role--magenta { color: var(--clr-magenta-text); }

.team-card__bio {
  font-size: 0.9rem;
  color: var(--clr-ink-muted);
  line-height: 1.65;
  margin-bottom: var(--sp-3);
}

.team-card__links {
  display: flex;
  gap: var(--sp-3);
}

.team-card__link {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--r-md);
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
}
.team-card__link:hover { transform: translateY(-2px); }
.team-card__link--indigo  { background: rgba(75,65,142,.1);  color: var(--clr-indigo-text);  }
.team-card__link--cyan    { background: rgba(60,204,211,.12); color: var(--clr-cyan-text);    }
.team-card__link--magenta { background: rgba(233,75,138,.1);  color: var(--clr-magenta-text); }
.team-card__link--indigo:hover  { background: var(--clr-indigo);  color: #fff; }
.team-card__link--cyan:hover    { background: var(--clr-cyan);    color: #fff; }
.team-card__link--magenta:hover { background: var(--clr-magenta); color: #fff; }

/* ── 15. PORTAFOLIO ────────────────────────────────── */
.proj-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
}
@media (min-width: 640px) { .proj-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .proj-grid { grid-template-columns: repeat(3, 1fr); } }

/* Mobile: always show stacked content */
.proj-card {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--sp-6);
  color: #fff;
  box-shadow: var(--shadow-md);
  transition: transform var(--t-base), box-shadow var(--t-base);
}

.proj-card--indigo  { background: var(--clr-indigo); }
.proj-card--cyan    { background: #1ba8af; }
.proj-card--magenta { background: var(--clr-magenta); }
.proj-card--photo {
  background-size: cover;
  background-position: center;
}
.proj-card--indigo.proj-card--photo {
  background-image: linear-gradient(180deg, rgba(75,65,142,.25) 0%, rgba(75,65,142,.92) 100%), url('assets/img/laboratorio.png');
}
.proj-card--cyan.proj-card--photo {
  background-image: linear-gradient(180deg, rgba(27,168,175,.25) 0%, rgba(27,168,175,.92) 100%), url('assets/img/mineria.png');
}
.proj-card--magenta.proj-card--photo {
  background-image: linear-gradient(180deg, rgba(233,75,138,.22) 0%, rgba(199,58,114,.92) 100%), url('assets/img/sochirav.png');
}

.proj-card__front {
  position: relative;
  z-index: 2;
}

.proj-card__label {
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.75;
  margin-bottom: var(--sp-2);
}

.proj-card__title {
  font-size: 1.1rem;
  font-weight: var(--fw-bold);
  color: #fff;
  line-height: 1.3;
}

/* Back panel: always visible on mobile (stacked) */
.proj-card__back {
  position: relative;
  z-index: 2;
  margin-top: var(--sp-4);
  padding-top: var(--sp-4);
  border-top: 1px solid rgba(255,255,255,.25);
}

.proj-card__code {
  font-size: 0.75rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.65;
  margin-bottom: var(--sp-2);
}

.proj-card__text {
  font-size: 0.875rem;
  line-height: 1.6;
  opacity: 0.9;
}

/* Hover-capable devices only: overlay reveal effect */
@media (hover: hover) {
  .proj-card__back {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: var(--sp-8);
    margin: 0;
    border: none;
    background: rgba(0,0,0,.55);
    backdrop-filter: blur(6px);
    opacity: 0;
    transition: opacity var(--t-base);
    z-index: 3;
  }

  .proj-card:hover .proj-card__back,
  .proj-card:focus-within .proj-card__back { opacity: 1; }

  .proj-card:hover,
  .proj-card:focus-within {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
  }
}

/* ── 16. TESTIMONIOS ───────────────────────────────── */
.testi-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
}

.testi-card {
  position: relative;
  border-radius: var(--r-xl);
  padding: var(--sp-6) var(--sp-8) var(--sp-8);
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--t-base), box-shadow var(--t-base);
}
.testi-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.testi-card--indigo {
  background: linear-gradient(135deg, rgba(75,65,142,.07) 0%, rgba(75,65,142,.03) 100%);
  border-color: rgba(75,65,142,.2);
}
.testi-card--cyan {
  background: linear-gradient(135deg, rgba(60,204,211,.1) 0%, rgba(60,204,211,.04) 100%);
  border-color: rgba(60,204,211,.25);
}

.testi-card__quote-open,
.testi-card__quote-close {
  font-family: var(--ff-display);
  font-size: 3rem;
  line-height: 0.6;
  font-weight: var(--fw-bold);
  pointer-events: none;
}
.testi-card--indigo .testi-card__quote-open,
.testi-card--indigo .testi-card__quote-close { color: var(--clr-indigo); opacity: 0.25; }
.testi-card--cyan   .testi-card__quote-open,
.testi-card--cyan   .testi-card__quote-close { color: var(--clr-cyan);   opacity: 0.4;  }

.testi-card__quote-open {
  position: absolute;
  top: calc(var(--sp-6) + var(--sp-5) - 0.2em);
  left: var(--sp-5);
  margin: 0;
}

.testi-card__quote-close {
  display: block;
  text-align: right;
  margin: -0.4em 0 0;
}

.testi-card__body {
  position: relative;
  z-index: 1;
  padding-top: var(--sp-5);
  padding-left: 1.75rem;
}
.testi-card__body p {
  font-size: 0.95rem;
  color: var(--clr-ink-muted);
  line-height: 1.7;
  font-style: italic;
}
.testi-card__body p + p { margin-top: var(--sp-3); }

.testi-card__footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-top: var(--sp-3);
  gap: var(--sp-4);
}

.testi-card__author {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.testi-card__avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: var(--fw-bold);
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}
.testi-card__avatar--indigo { background: var(--clr-indigo); }
.testi-card__avatar--cyan   { background: #1ba8af; }

.testi-card__name {
  font-weight: var(--fw-bold);
  font-size: 0.95rem;
}
.testi-card__name--indigo { color: var(--clr-indigo-text); }
.testi-card__name--cyan   { color: var(--clr-cyan-text);   }

.testi-card__role {
  font-size: 0.8rem;
  color: var(--clr-ink-muted);
}

/* ── 17. CONTACT FORM ──────────────────────────────── */
.contact-form {
  max-width: var(--page-max-sm);
  margin-inline: auto;
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: var(--r-2xl);
  padding: var(--sp-6);
  box-shadow: var(--shadow-md);
}
@media (max-width: 600px) {
  .contact-form { padding: var(--sp-4); }
}

.contact-form__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
}
@media (min-width: 600px) {
  .contact-form__grid { grid-template-columns: repeat(2, 1fr); }
}

.form-group { display: flex; flex-direction: column; gap: var(--sp-1); }
.form-group--full { grid-column: 1 / -1; }

.form-label {
  font-size: 0.875rem;
  font-weight: var(--fw-semibold);
  color: var(--clr-ink);
}

.form-req { color: var(--clr-magenta-text); }
.form-opt { font-weight: var(--fw-regular); color: var(--clr-ink-light); }

.form-input,
.form-select,
.form-textarea {
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--r-lg);
  font-family: var(--ff-body);
  font-size: 0.95rem;
  color: var(--clr-ink);
  background: #fff;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  width: 100%;
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--clr-ink-light); }

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--clr-indigo);
  box-shadow: 0 0 0 3px rgba(75,65,142,.12);
}

.form-input[aria-invalid="true"],
.form-select[aria-invalid="true"],
.form-textarea[aria-invalid="true"] {
  border-color: var(--clr-magenta-text);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235A5A7A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-textarea { resize: vertical; min-height: 88px; }

.form-error {
  font-size: 0.8rem;
  color: var(--clr-magenta-text);
}
.form-error:empty { display: none; }

.contact-form__footer {
  margin-top: var(--sp-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-4);
}

/* Loading state */
.contact-form__spinner {
  display: none;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.contact-form.is-loading .contact-form__spinner { display: block; }
.contact-form.is-loading .contact-form__send-icon { display: none; }
.contact-form.is-loading button[type="submit"] {
  opacity: 0.75;
  pointer-events: none;
}

@keyframes spin { to { transform: rotate(360deg); } }

.contact-form__error-banner {
  width: 100%;
  background: rgba(199,58,114,.08);
  border: 1px solid rgba(199,58,114,.25);
  border-radius: var(--r-lg);
  padding: var(--sp-4) var(--sp-5);
  font-size: 0.9rem;
  color: var(--clr-magenta-text);
  text-align: center;
}
.contact-form__error-link {
  color: var(--clr-magenta-text);
  font-weight: var(--fw-semibold);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.contact-form__error-link:hover { opacity: 0.8; }

/* ── 18. FOOTER ────────────────────────────────────── */
.site-footer {
  position: relative;
  background: var(--clr-indigo);
  color: rgba(255,255,255,.85);
  padding-top: calc(var(--section-y) * 0.7);
  padding-bottom: var(--section-y);
  text-align: center;
  overflow: hidden;
}

.site-footer__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}
.site-footer__blob--cyan {
  width: 400px; height: 400px;
  background: rgba(60,204,211,.15);
  top: -100px; right: -80px;
}
.site-footer__blob--magenta {
  width: 300px; height: 300px;
  background: rgba(233,75,138,.12);
  bottom: -80px; left: -60px;
}

.site-footer__inner { position: relative; z-index: 1; }

.site-footer__title {
  font-family: var(--ff-display);
  font-size: clamp(1.4rem, 3.5vw, 2.25rem);
  font-weight: var(--fw-bold);
  color: #fff;
  line-height: 1.3;
  max-width: 50rem;
  margin-inline: auto;
  margin-bottom: var(--sp-4);
}

.site-footer__sub {
  font-size: 1rem;
  color: rgba(255,255,255,.7);
  margin-bottom: var(--sp-8);
  line-height: 1.7;
}

.site-footer__divider {
  width: 60px; height: 2px;
  background: rgba(255,255,255,.2);
  border-radius: 2px;
  margin: var(--sp-12) auto;
}

.site-footer__info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-8) var(--sp-24);
  margin-bottom: var(--sp-10);
}
@media (max-width: 767px) {
  .site-footer__info {
    flex-direction: column;
    align-items: stretch;
    width: max-content;
    max-width: 100%;
    margin-inline: auto;
    gap: var(--sp-8);
  }
  .site-footer__info-item {
    text-align: left;
    justify-content: flex-start;
  }
  .site-footer__social {
    justify-content: flex-start;
  }
}

.site-footer__info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  text-align: left;
}

.site-footer__info-label {
  font-size: 0.75rem;
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,.5);
  margin-bottom: var(--sp-1);
}

.site-footer__info-text {
  font-size: 0.9rem;
  color: rgba(255,255,255,.75);
  line-height: 1.5;
}

.site-footer__social {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.site-footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--r-md);
  color: rgba(255,255,255,.9);
  background: rgba(255,255,255,.12);
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
}
.site-footer__social-link:hover,
.site-footer__social-link:focus-visible {
  background: var(--clr-cyan);
  color: #fff;
  transform: translateY(-2px);
}

.site-footer__email {
  color: rgba(255,255,255,.9);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.site-footer__email:hover { color: var(--clr-cyan); }

.site-footer__copy {
  font-size: 0.8rem;
  color: rgba(255,255,255,.4);
}

/* ── 19. MODAL ─────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
}
.modal.is-open,
.modal:not([hidden]) {
  display: flex;
}
.modal[hidden] {
  display: none !important;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(26,26,46,.65);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  z-index: 1;
  background: #fff;
  border-radius: var(--r-2xl);
  padding: var(--sp-10) var(--sp-8);
  max-width: 480px;
  width: 100%;
  text-align: center;
  box-shadow: 0 24px 60px rgba(0,0,0,.2);
  animation: modal-in 0.35s var(--ease-out) both;
}

@keyframes modal-in {
  from { opacity: 0; transform: scale(0.9) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal__close {
  position: absolute;
  top: var(--sp-4); right: var(--sp-4);
  z-index: 2;
  width: 36px; height: 36px;
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--clr-ink-muted);
  background: var(--clr-bg-soft);
  transition: background var(--t-fast), color var(--t-fast);
}
.modal__close svg { pointer-events: none; }
.modal__close:hover,
.modal__close:focus-visible {
  background: var(--clr-border);
  color: var(--clr-ink);
}

.modal__icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-indigo), var(--clr-cyan));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--sp-5);
  box-shadow: 0 4px 20px rgba(75,65,142,.3);
}

.modal__title {
  font-family: var(--ff-display);
  font-size: 1.5rem;
  font-weight: var(--fw-bold);
  color: var(--clr-ink);
  margin-bottom: var(--sp-4);
}

.modal__body {
  font-size: 0.95rem;
  color: var(--clr-ink-muted);
  line-height: 1.7;
  margin-bottom: var(--sp-8);
}

.modal__cta { width: 100%; }

body.modal-open { overflow: hidden; }

/* ── 20. HONEYPOT + WHATSAPP ───────────────────────── */
.form-honeypot {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.whatsapp-float {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, .35);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.whatsapp-float:hover,
.whatsapp-float:focus-visible {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 12px 28px rgba(37, 211, 102, .45);
}
.whatsapp-float svg { width: 28px; height: 28px; }
.whatsapp-float__close { display: none; }
.whatsapp-float.is-open .whatsapp-float__icon { display: none; }
.whatsapp-float.is-open .whatsapp-float__close { display: block; }

.wa-widget {
  position: fixed;
  right: var(--page-gutter);
  bottom: var(--page-gutter);
  z-index: 800;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.wa-chat {
  width: min(20rem, calc(100vw - 2 * var(--page-gutter)));
  background: #E5DDD5;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(26, 26, 46, .22);
  transform-origin: bottom right;
}
.wa-chat[hidden] { display: none; }

.wa-chat__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: 0.85rem 1rem;
  background: #075E54;
  color: #fff;
}
.wa-chat__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: var(--fw-semibold);
  font-size: 1rem;
}
.wa-chat__brand svg { width: 22px; height: 22px; flex-shrink: 0; }
.wa-chat__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: #fff;
  opacity: 0.85;
}
.wa-chat__close:hover,
.wa-chat__close:focus-visible { opacity: 1; background: rgba(255,255,255,.12); }

.wa-chat__body {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.wa-chat__bubble {
  align-self: flex-start;
  max-width: 90%;
  background: #fff;
  color: var(--clr-ink);
  font-size: 0.95rem;
  line-height: 1.5;
  padding: 0.7rem 0.85rem;
  border-radius: 4px 12px 12px 12px;
  box-shadow: 0 1px 2px rgba(0,0,0,.08);
}
.wa-chat__open {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  align-self: flex-end;
  background: #25D366;
  color: #fff;
  font-weight: var(--fw-semibold);
  font-size: 0.95rem;
  padding: 0.7rem 1.1rem;
  border-radius: var(--r-full);
  box-shadow: 0 4px 14px rgba(37, 211, 102, .35);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.wa-chat__open:hover,
.wa-chat__open:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(37, 211, 102, .45);
}
.wa-chat__open svg { width: 18px; height: 18px; }