/* ==========================================================================
   SISA SOLUCIONES INTEGRALES — Design System
   ========================================================================== */

:root {
  /* Brand colors */
  --color-blue: #0052B4;
  --color-blue-dark: #0046A0;
  --color-teal: #00A896;
  --color-teal-dark: #009688;

  /* Neutrals */
  --color-white: #FFFFFF;
  --color-bg-light: #F8F9FA;
  --color-bg-soft: #EEF2F7;
  --color-text: #1A2433;
  --color-text-muted: #5B6B82;
  --color-border: #E3E8F0;
  --color-dark: #061226;
  --color-dark-soft: #0B1B33;

  /* Gradients */
  --gradient-brand: linear-gradient(135deg, var(--color-blue) 0%, var(--color-teal) 100%);
  --gradient-brand-soft: linear-gradient(135deg, rgba(0,82,180,0.08) 0%, rgba(0,168,150,0.08) 100%);

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Radius & shadow */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(6, 18, 38, 0.06);
  --shadow-md: 0 12px 32px rgba(6, 18, 38, 0.10);
  --shadow-lg: 0 24px 60px rgba(6, 18, 38, 0.16);

  /* Motion */
  --transition-fast: 0.2s ease;
  --transition-base: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

button { font-family: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ==========================================================================
   Scroll fade-in
   ========================================================================== */

.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--transition-base), transform 0.8s var(--transition-base);
}

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

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-brand);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 32px rgba(0, 82, 180, 0.28);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-dark);
  border: 1.5px solid var(--color-border);
  backdrop-filter: blur(6px);
}

.btn--ghost:hover {
  background: var(--color-white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-blue);
  border: 1.5px solid var(--color-blue);
}

.btn--outline:hover {
  background: var(--color-blue);
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn--sm { padding: 0.6rem 1.25rem; font-size: 0.85rem; }
.btn--lg { padding: 1.05rem 2.25rem; font-size: 1.02rem; }
.btn--block { width: 100%; }

/* ==========================================================================
   Logo / Brand
   ========================================================================== */

.brand {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.brand__logo {
  position: relative;
  width: 52px;
  height: 52px;
  flex-shrink: 0;
}

.brand__grid {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 4px;
}

.brand__cell {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.78rem;
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.brand__cell--s1 { background: var(--color-blue); }
.brand__cell--s2 { background: var(--color-teal); }
.brand__cell--i { background: var(--color-teal-dark); }
.brand__cell--a { background: var(--color-blue-dark); }

.brand__badge {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-teal-dark);
  color: var(--color-white);
  font-size: 0.48rem;
  font-weight: 700;
  letter-spacing: 0.2px;
  border: 2px solid var(--color-white);
  z-index: 2;
}

.brand__caption {
  font-family: var(--font-heading);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--color-dark);
  white-space: nowrap;
}

.brand--footer .brand__caption { color: var(--color-white); }
.brand--footer .brand__badge { border-color: var(--color-dark-soft); }

.brand--lg .brand__logo { width: 68px; height: 68px; }
.brand--lg .brand__cell { font-size: 1rem; }
.brand--lg .brand__badge { width: 22px; height: 22px; font-size: 0.56rem; top: -7px; right: -7px; }
.brand--lg .brand__caption { font-size: 0.74rem; }

/* ==========================================================================
   Navbar
   ========================================================================== */

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(227, 232, 240, 0.7);
  transition: box-shadow var(--transition-fast), background var(--transition-fast);
}

.navbar.is-scrolled {
  box-shadow: 0 6px 24px rgba(6, 18, 38, 0.08);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
  gap: 1.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-weight: 600;
  font-size: 0.92rem;
}

.nav-links a {
  position: relative;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  transition: width var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-blue);
}

.nav-links a:hover::after { width: 100%; }

.navbar__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  padding: 7rem 0 6rem;
  overflow: hidden;
  background: linear-gradient(180deg, #FAFCFF 0%, #F1F5FB 100%);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero__shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
}

.hero__shape--1 {
  width: 420px; height: 420px;
  background: var(--color-blue);
  top: -150px; right: -80px;
}

.hero__shape--2 {
  width: 320px; height: 320px;
  background: var(--color-teal);
  bottom: -120px; left: -80px;
  opacity: 0.3;
}

.hero__shape--3 {
  width: 220px; height: 220px;
  background: var(--gradient-brand);
  top: 40%; left: 55%;
  opacity: 0.15;
}

.hero__grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(6,18,38,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6,18,38,0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 30%, black, transparent 70%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 880px;
  text-align: center;
  margin: 0 auto;
}

.badge {
  display: inline-block;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.6);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-blue);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  letter-spacing: -0.5px;
  margin-bottom: 1.5rem;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 680px;
  margin: 0 auto 2.25rem;
}

.hero__ctas {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}

.hero__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__stat strong {
  font-family: var(--font-heading);
  font-size: 1.9rem;
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__stat span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  max-width: 160px;
  text-align: center;
}

/* ==========================================================================
   Section generic
   ========================================================================== */

.section {
  padding: var(--space-2xl) 0;
}

.section--alt {
  background: var(--color-bg-light);
}

.section--dark {
  background: linear-gradient(160deg, var(--color-dark) 0%, var(--color-dark-soft) 100%);
  color: var(--color-white);
}

.section__head {
  max-width: 680px;
  margin: 0 auto var(--space-xl);
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--color-teal-dark);
  margin-bottom: 0.75rem;
}

.eyebrow--light { color: var(--color-teal); }

.section__head h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-bottom: 0.85rem;
}

.section__head p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.section--dark .section__head p { color: rgba(255,255,255,0.7); }

/* ==========================================================================
   Pillars (3 business units)
   ========================================================================== */

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.pillar-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.pillar-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.pillar-card--featured {
  background: linear-gradient(165deg, #FFFFFF 0%, #F3FAF9 100%);
  border-color: rgba(0, 168, 150, 0.35);
}

.pillar-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.pillar-card__icon svg { width: 26px; height: 26px; }

.pillar-card__icon--blue { background: rgba(0, 82, 180, 0.1); color: var(--color-blue); }
.pillar-card__icon--teal { background: rgba(0, 168, 150, 0.12); color: var(--color-teal-dark); }

.pillar-card__tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.6rem;
}

.pillar-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.6rem;
}

.pillar-card h3 small {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.pillar-card__lead {
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.75rem;
}

.pillar-card__problem {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.pillar-card__list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.pillar-card__list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.92rem;
  color: var(--color-text);
}

.pillar-card__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.5em;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--gradient-brand);
}

.pillar-card__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.pillar-card__chips span {
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: rgba(0, 168, 150, 0.1);
  color: var(--color-teal-dark);
}

.pillar-card__link {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--color-blue);
  transition: color var(--transition-fast);
}

.pillar-card__link:hover { color: var(--color-teal-dark); }

/* ==========================================================================
   Pricing
   ========================================================================== */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  align-items: stretch;
}

.price-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2.25rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.price-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.price-card--popular {
  border: 1.5px solid var(--color-teal);
  box-shadow: 0 0 0 1px rgba(0, 168, 150, 0.15), 0 20px 50px rgba(0, 168, 150, 0.2);
  transform: scale(1.03);
}

.price-card--popular:hover { transform: scale(1.03) translateY(-6px); }

.price-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-brand);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 0.4rem 1.1rem;
  border-radius: 999px;
  box-shadow: 0 8px 20px rgba(0, 168, 150, 0.35);
}

.price-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.price-card__desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  min-height: 48px;
}

.price-card__features {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.price-card__features li {
  position: relative;
  padding-left: 1.6rem;
  font-size: 0.92rem;
}

.price-card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-teal-dark);
  font-weight: 800;
}

/* ==========================================================================
   Marketplace profile cards
   ========================================================================== */

.profiles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.profile-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.profile-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.profile-card__top {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.1rem;
}

.profile-card__avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 700;
  font-family: var(--font-heading);
  flex-shrink: 0;
}

.profile-card__top h4 {
  font-size: 1rem;
  margin-bottom: 0.15rem;
}

.profile-card__role {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.profile-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.profile-card__badges span {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: var(--color-bg-soft);
  color: var(--color-blue);
}

.profile-card__rating {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 1.1rem;
}

.profile-card--cta {
  background: var(--gradient-brand-soft);
  border: 1.5px dashed rgba(0, 82, 180, 0.3);
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.profile-card--cta h4 { font-size: 1.05rem; margin-bottom: 0.6rem; }
.profile-card--cta p { font-size: 0.88rem; color: var(--color-text-muted); margin-bottom: 1.25rem; }

/* ==========================================================================
   Instagram section
   ========================================================================== */

.instagram__head {
  max-width: 680px;
  margin: 0 auto 2.5rem;
  text-align: center;
}

.instagram__handle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  font-weight: 700;
  color: var(--color-teal);
  border: 1.5px solid rgba(0, 168, 150, 0.4);
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.instagram__handle:hover {
  background: var(--color-teal);
  color: var(--color-dark);
}

.ig-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.ig-tile {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  text-align: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-white);
  transition: transform var(--transition-base);
}

.ig-tile:hover { transform: scale(1.05) rotate(-1deg); }

.instagram__cta {
  display: flex;
  margin: 0 auto;
  width: fit-content;
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3.5rem;
  align-items: start;
}

.contact__info p { color: var(--color-text-muted); margin-bottom: 2rem; }

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact__details li {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  border-left: 3px solid var(--color-teal);
  padding-left: 1rem;
}

.contact__details strong {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
}

.contact__details a:hover { color: var(--color-blue); }

.contact__form {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.8rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-light);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(0, 82, 180, 0.12);
  background: var(--color-white);
}

.form-group textarea { resize: vertical; }

.form-error {
  display: none;
  font-size: 0.8rem;
  color: #D64545;
  margin-top: 0.4rem;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: #D64545;
  background: #FDF2F2;
}

.form-group.has-error .form-error { display: block; }

.form-success {
  display: none;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 168, 150, 0.1);
  color: var(--color-teal-dark);
  font-weight: 600;
  font-size: 0.92rem;
}

.form-success.is-visible {
  display: flex;
  animation: fadeSlideIn 0.5s ease;
}

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: linear-gradient(160deg, var(--color-dark) 0%, var(--color-dark-soft) 100%);
  color: rgba(255,255,255,0.85);
  padding: var(--space-2xl) 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 3rem;
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer__brand p {
  margin: 1.25rem 0 1.5rem;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.6);
  max-width: 320px;
}

.footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: var(--color-white);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.footer__social a:hover {
  background: var(--gradient-brand);
  transform: translateY(-3px);
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer__links h5 {
  color: var(--color-white);
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  margin-bottom: 1.1rem;
}

.footer__links a {
  display: block;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 0.75rem;
  transition: color var(--transition-fast);
}

.footer__links a:hover { color: var(--color-teal); }

.footer__bottom {
  text-align: center;
  padding: 1.5rem 0;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
}

/* ==========================================================================
   Floating WhatsApp
   ========================================================================== */

.whatsapp-float {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.45);
  z-index: 999;
  transition: transform var(--transition-fast);
  animation: pulse 2.4s infinite;
}

.whatsapp-float:hover { transform: scale(1.1); }

@keyframes pulse {
  0% { box-shadow: 0 12px 28px rgba(37, 211, 102, 0.45), 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70% { box-shadow: 0 12px 28px rgba(37, 211, 102, 0.45), 0 0 0 14px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 12px 28px rgba(37, 211, 102, 0.45), 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .pillars-grid,
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card--popular { transform: none; order: -1; }
  .price-card--popular:hover { transform: translateY(-6px); }
  .profiles-grid { grid-template-columns: repeat(2, 1fr); }
  .ig-grid { grid-template-columns: repeat(3, 1fr); }
  .contact__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__links { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    background: var(--color-white);
    padding: 1.5rem 1.5rem 2rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

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

  .navbar__actions .btn--primary.btn--sm { display: none; }
  .nav-toggle { display: flex; }
}

@media (max-width: 640px) {
  .brand__logo { width: 42px; height: 42px; }
  .brand__cell { font-size: 0.64rem; }
  .brand__caption { font-size: 0.54rem; letter-spacing: 1.2px; }
  .brand--lg .brand__logo { width: 56px; height: 56px; }
  .brand--lg .brand__caption { font-size: 0.66rem; }
  .hero { padding: 5.5rem 0 4rem; }
  .hero__ctas { flex-direction: column; align-items: stretch; }
  .hero__ctas .btn { width: 100%; }
  .hero__stats { gap: 1.75rem; }
  .form-row { grid-template-columns: 1fr; }
  .profiles-grid { grid-template-columns: 1fr; }
  .ig-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__links { grid-template-columns: 1fr 1fr; }
  .contact__form { padding: 1.75rem; }
  .pillar-card, .price-card { padding: 1.75rem; }
  .whatsapp-float { width: 52px; height: 52px; bottom: 1.25rem; right: 1.25rem; }
}