/* ============================================================
   CentralSites — Landing Page Futurista
   Mobile first · Glassmorphism · Neon accents
   ============================================================ */

:root {
  --bg-dark: #050816;
  --bg-card: #0B1120;
  --cyan: #00E5FF;
  --green: #22C55E;
  --green-wa: #25D366;
  --white: #FFFFFF;
  --gray: #CBD5E1;
  --gray-muted: #94A3B8;
  --purple: #7C3AED;

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --glass-bg: rgba(11, 17, 32, 0.65);
  --glass-border: rgba(0, 229, 255, 0.15);
  --glow-cyan: 0 0 40px rgba(0, 229, 255, 0.25);
  --glow-green: 0 0 30px rgba(34, 197, 94, 0.3);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --header-h: 72px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--gray);
  background: var(--bg-dark);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ============================================================
   Fundo abstrato
   ============================================================ */
.bg-effects {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.bg-effects__gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(124, 58, 237, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(0, 229, 255, 0.08) 0%, transparent 50%),
    var(--bg-dark);
}

.bg-effects__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}

.bg-effects__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orbFloat 12s ease-in-out infinite;
}

.bg-effects__orb--1 {
  width: 400px;
  height: 400px;
  background: rgba(0, 229, 255, 0.12);
  top: -10%;
  right: -10%;
}

.bg-effects__orb--2 {
  width: 300px;
  height: 300px;
  background: rgba(124, 58, 237, 0.1);
  bottom: 20%;
  left: -5%;
  animation-delay: -6s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0); }
  50%       { transform: translate(20px, -30px); }
}

.bg-effects__lines {
  position: absolute;
  inset: 0;
  opacity: 0.4;
}

.bg-line {
  fill: none;
  stroke: rgba(0, 229, 255, 0.15);
  stroke-width: 1;
}

/* Partículas CSS */
.particles {
  position: absolute;
  inset: 0;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--cyan);
  border-radius: 50%;
  opacity: 0.3;
  animation: particleDrift var(--dur, 8s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}

@keyframes particleDrift {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.2; }
  50%       { transform: translateY(-30px) scale(1.5); opacity: 0.5; }
}

/* ============================================================
   Botões
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}

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

.btn--sm { font-size: 0.8125rem; padding: 0.55rem 1.15rem; }
.btn--lg { font-size: 1rem; padding: 0.95rem 1.75rem; width: 100%; max-width: 360px; }

.btn--primary {
  background: linear-gradient(135deg, var(--cyan), #00B8D4);
  color: var(--bg-dark);
  box-shadow: var(--glow-cyan);
}

.btn--primary:hover { box-shadow: 0 0 50px rgba(0, 229, 255, 0.4); }

.btn--whatsapp {
  background: var(--green-wa);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
}

.btn--whatsapp:hover { box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55); }

.btn--ghost {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(0, 229, 255, 0.35);
}

.btn--ghost:hover {
  background: rgba(0, 229, 255, 0.08);
  border-color: var(--cyan);
}

.btn--outline {
  background: transparent;
  color: var(--cyan);
  border: 1.5px solid rgba(0, 229, 255, 0.3);
  width: 100%;
}

.btn--outline:hover {
  background: rgba(0, 229, 255, 0.08);
  border-color: var(--cyan);
}

/* ============================================================
   Header
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(5, 8, 22, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 229, 255, 0.08);
  transition: box-shadow var(--transition);
}

.header--scrolled { box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.header__logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--bg-dark);
}

.header__logo-text {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
}

.header__nav { display: none; }

.header__menu { display: flex; gap: 2rem; }

.nav-link {
  font-size: 0.875rem;
  color: var(--gray-muted);
  transition: color var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active { color: var(--white); }

.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

.header__cta { display: none; }

.header__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.header__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

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

.header__nav.is-open {
  display: flex;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: rgba(5, 8, 22, 0.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 229, 255, 0.1);
  padding: 1.5rem;
  animation: slideDown 0.3s ease;
}

.header__nav.is-open .header__menu {
  flex-direction: column;
  gap: 1.25rem;
  width: 100%;
}

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

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding: calc(var(--header-h) + 2.5rem) 0 4rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero__grid {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  align-items: center;
}

.hero__content { max-width: 640px; }

.hero__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.2);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 5.5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 1rem;
}

.hero__subtitle {
  font-size: 1.05rem;
  color: var(--gray);
  margin-bottom: 1rem;
  font-weight: 400;
}

.hero__support {
  font-size: 0.9rem;
  color: var(--gray-muted);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.hero__tags span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gray);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: stretch;
}

/* Hero visual */
.hero__visual {
  position: relative;
  width: 100%;
  max-width: 420px;
  min-height: 400px;
}

.hero__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.2) 0%, transparent 70%);
  filter: blur(40px);
  animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50%       { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.hero__photo-wrap {
  position: relative;
  z-index: 2;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(0, 229, 255, 0.2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), var(--glow-cyan);
}

.hero__photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top center;
}

/* Cards flutuantes */
.float-card {
  position: absolute;
  z-index: 3;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.float-card--ia {
  top: 8%;
  right: -8%;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  animation: floatY 5s ease-in-out infinite;
}

.float-card--dash {
  bottom: 12%;
  left: -10%;
  min-width: 130px;
  animation: floatY 6s ease-in-out infinite reverse;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

.float-card__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--green), #16A34A);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.float-card__icon svg {
  width: 20px;
  height: 20px;
  fill: var(--white);
}

.float-card__label {
  font-size: 0.7rem;
  color: var(--gray-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.float-card__value {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
}

.float-card__metric {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
}

.float-card__metric span {
  font-size: 0.9rem;
  color: var(--cyan);
}

.float-card__bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 32px;
  margin-top: 0.5rem;
}

.float-card__bars span {
  flex: 1;
  height: var(--h);
  background: linear-gradient(to top, var(--cyan), var(--purple));
  border-radius: 2px;
  opacity: 0.7;
}

.hero__connections {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0.5;
}

.conn-dot { fill: var(--cyan); }
.conn-line {
  stroke: rgba(0, 229, 255, 0.3);
  stroke-width: 1;
  stroke-dasharray: 4 4;
  animation: dashMove 20s linear infinite;
}

@keyframes dashMove {
  to { stroke-dashoffset: -100; }
}

/* ============================================================
   Seções
   ============================================================ */
.section {
  padding: 5rem 0;
  position: relative;
}

.section--alt {
  background: rgba(11, 17, 32, 0.5);
}

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

.section__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.6rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.section__desc {
  font-size: 0.95rem;
  color: var(--gray-muted);
  line-height: 1.7;
}

/* ============================================================
   Glass cards (serviços)
   ============================================================ */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.35);
  box-shadow: var(--glow-cyan);
}

.glass-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(124, 58, 237, 0.15));
  border: 1px solid rgba(0, 229, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.glass-card__icon svg {
  width: 24px;
  height: 24px;
  fill: var(--cyan);
}

.glass-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--white);
}

.glass-card__desc {
  font-size: 0.875rem;
  color: var(--gray-muted);
  line-height: 1.65;
}

.glass-card__list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex-grow: 1;
}

.glass-card__list li {
  font-size: 0.8125rem;
  color: var(--gray);
  padding-left: 1.1rem;
  position: relative;
}

.glass-card__list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-size: 0.75rem;
}

/* ============================================================
   Etapas (como funciona)
   ============================================================ */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  counter-reset: step;
}

.step {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  position: relative;
  transition: border-color var(--transition);
}

.step:hover { border-color: rgba(0, 229, 255, 0.3); }

.step__num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  display: block;
  margin-bottom: 0.75rem;
}

.step__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.step__text {
  font-size: 0.875rem;
  color: var(--gray-muted);
  line-height: 1.65;
}

/* ============================================================
   Diferenciais
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.15rem;
  font-size: 0.9rem;
  color: var(--gray);
  transition: border-color var(--transition), background var(--transition);
}

.feature-item:hover {
  border-color: rgba(0, 229, 255, 0.3);
  background: rgba(0, 229, 255, 0.04);
}

.feature-item svg {
  width: 22px;
  height: 22px;
  fill: var(--cyan);
  flex-shrink: 0;
}

/* ============================================================
   Portfólio
   ============================================================ */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.portfolio-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}

.portfolio-card:hover {
  transform: translateY(-3px);
  border-color: rgba(124, 58, 237, 0.3);
}

.portfolio-card__preview {
  height: 140px;
  background:
    linear-gradient(135deg, rgba(0, 229, 255, 0.05) 0%, rgba(124, 58, 237, 0.08) 100%),
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 8px,
      rgba(0, 229, 255, 0.03) 8px,
      rgba(0, 229, 255, 0.03) 16px
    );
  position: relative;
}

.portfolio-card__preview::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(5, 8, 22, 0.8));
}

.portfolio-card__title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  padding: 1rem 1.15rem 0.25rem;
}

.portfolio-card__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--purple);
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.3);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  margin: 0 1.15rem 1.15rem;
}

/* ============================================================
   Promo / Divulgação
   ============================================================ */
.promo-block {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.75rem;
  backdrop-filter: blur(16px);
}

.promo-block__content { margin-bottom: 2rem; }

.promo-block__text {
  font-size: 0.95rem;
  color: var(--gray-muted);
  line-height: 1.7;
  margin-top: 0.75rem;
}

.promo-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.promo-tag {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray);
  background: rgba(0, 229, 255, 0.06);
  border: 1px solid rgba(0, 229, 255, 0.15);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  transition: border-color var(--transition), color var(--transition);
}

.promo-tag:hover {
  border-color: var(--cyan);
  color: var(--white);
}

/* ============================================================
   CTA Final
   ============================================================ */
.section--cta {
  padding: 5rem 0 6rem;
}

.cta-block {
  text-align: center;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.08) 0%, rgba(124, 58, 237, 0.1) 100%);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 3rem 1.75rem;
  position: relative;
  overflow: hidden;
}

.cta-block::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.05) 0%, transparent 50%);
  animation: ctaGlow 6s ease-in-out infinite;
}

@keyframes ctaGlow {
  0%, 100% { transform: translate(0, 0); }
  50%       { transform: translate(10%, 10%); }
}

.cta-block__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
  position: relative;
}

.cta-block__text {
  font-size: 0.95rem;
  color: var(--gray-muted);
  max-width: 520px;
  margin: 0 auto 2rem;
  line-height: 1.7;
  position: relative;
}

.cta-block .btn { margin: 0 auto; position: relative; }

.cta-block__quote {
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--cyan);
  font-style: italic;
  position: relative;
}

/* ============================================================
   Rodapé
   ============================================================ */
.footer {
  border-top: 1px solid rgba(0, 229, 255, 0.08);
  padding: 2.5rem 0;
  background: rgba(5, 8, 22, 0.9);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  text-align: center;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.35rem;
}

.footer__desc {
  font-size: 0.875rem;
  color: var(--gray-muted);
}

.footer__tagline {
  font-size: 0.75rem;
  color: var(--gray-muted);
  margin-top: 0.5rem;
  opacity: 0.8;
}

.footer__contact {
  font-size: 0.875rem;
  color: var(--gray-muted);
  line-height: 1.8;
}

.footer__contact a {
  color: var(--cyan);
  transition: color var(--transition);
}

.footer__contact a:hover { color: var(--white); }

/* ============================================================
   WhatsApp flutuante
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 999;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-wa);
  color: var(--white);
  border-radius: var(--radius-full);
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.5);
  transition: transform var(--transition);
}

.whatsapp-float:hover { transform: scale(1.08); }

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: var(--white);
  position: relative;
  z-index: 1;
}

.whatsapp-float__pulse {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-full);
  background: var(--green-wa);
  animation: waPulse 2s ease-out infinite;
  z-index: 0;
}

@keyframes waPulse {
  0%   { transform: scale(1); opacity: 0.6; }
  70%  { transform: scale(1.4); opacity: 0; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* Tooltip */
.whatsapp-float::before {
  content: attr(data-tooltip);
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-card);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 229, 255, 0.15);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.whatsapp-float:hover::before { opacity: 1; }

/* ============================================================
   MEDIA QUERIES
   ============================================================ */
@media (min-width: 600px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .hero__actions { flex-direction: row; flex-wrap: wrap; }
  .btn--lg { width: auto; }
}

@media (min-width: 900px) {
  :root { --header-h: 80px; }

  .header__toggle { display: none; }
  .header__nav { display: flex; }
  .header__cta { display: inline-flex; }

  .hero__grid {
    flex-direction: row;
    align-items: center;
    gap: 3rem;
  }

  .hero__content { flex: 1; }
  .hero__visual { flex: 0 0 42%; max-width: 460px; }

  .float-card--ia { right: -5%; }
  .float-card--dash { left: -5%; }

  .cards-grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(3, 1fr); }
  .features-grid { grid-template-columns: repeat(4, 1fr); }

  .promo-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
    padding: 3rem;
  }

  .promo-block__content { margin-bottom: 0; }

  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .float-card--ia { right: 0; top: 4%; }
  .float-card--dash { left: 0; bottom: 8%; }
  .whatsapp-float::before { display: none; }
}