/* ==========================================================================
   InterAction — Landing Page Oficial Provisória
   Rodada de Perfumaria, Ritmo Editorial, Tipografia e Microinterações
   ========================================================================== */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('/assets/fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('/assets/fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  /* Paleta cromática oficial de InterAction.ai */
  --color-lilac: #9B96C1;
  --color-lilac-deep: #524878;
  --color-magenta: #A74A93;
  --color-amber: #EBB56D;
  --color-mint: #6CAF9C;
  --color-yellow: #E4D879;
  --color-plum: #7E2C6A;
  --color-plum-dark: #581C48;
  --color-violet: #6B5097;
  --color-gold: #E4C875;

  /* Superfícies refinadas e tipografia editorial */
  --color-white: #FFFFFF;
  --color-surface-light: #FBFBFE;
  --color-surface-alt: #F4F2F9;
  --color-ink: #1B1728;
  --color-ink-muted: #4B465E;
  --color-ink-subtle: #686280;
  --color-hairline: rgba(107, 80, 151, 0.12);

  /* Curvas e tempos de microinteração */
  --ease-organic: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-snappy: cubic-bezier(0.16, 1, 0.3, 1);

  /* Tipografia */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Grid e larguras */
  --max-width-container: 74rem;   /* ~1184px */
  --max-width-narrow: 62rem;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-ink);
  background-color: var(--color-lilac);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background-color: var(--color-surface-light);
}

/* Acessibilidade: Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--color-ink);
  color: var(--color-white);
  font-weight: 500;
  text-decoration: none;
  border-radius: 999px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

/* ==========================================================================
   HEADER DISCRETO EDITORIAL
   ========================================================================== */

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 20;
  padding: 1.25rem clamp(1.25rem, 4vw, 2.5rem);
  background-color: transparent;
  pointer-events: auto;
}

.site-header__inner {
  max-width: var(--max-width-container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header__brand {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: rgba(255, 255, 255, 0.85);
  user-select: none;
}

.site-header__nav {
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
}

.site-header__nav a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

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

.site-header__nav a:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ==========================================================================
   1. HERO — PRIMEIRA TELA (100svh, Lilás #9B96C1)
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100svh;
  width: 100%;
  background-color: var(--color-lilac);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(4.5rem, 8vh, 6rem) clamp(1.25rem, 3.5vw, 2rem) clamp(2.5rem, 5vh, 4rem);
  overflow: hidden;
}

/* Círculo decorativo orgânico no Hero (mix-blend sutil) */
.hero__backdrop-circle {
  position: absolute;
  top: -10vw;
  right: -8vw;
  width: clamp(260px, 36vw, 480px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(235, 181, 109, 0.28) 0%, rgba(155, 150, 193, 0) 70%);
  pointer-events: none;
  z-index: 1;
}

.hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 46rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* Logo Protagonista (escala e respiro generosos) */
.hero__brand {
  width: clamp(210px, 34vw, 290px);
  aspect-ratio: 796 / 780;
  margin-bottom: clamp(1.75rem, 3.6vh, 2.75rem);
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-logo {
  width: 100%;
  height: auto;
  overflow: visible;
  display: block;
}

/* --------------------------------------------------------------------------
   Sequência de Convergência da Logo
   -------------------------------------------------------------------------- */

.circle-intro {
  transform-box: fill-box;
  transform-origin: center;
  will-change: transform, opacity;
}

.circle-intro--sm-gold-left {
  opacity: 0;
  animation: converge-sm-gold-left 1280ms var(--ease-organic) 250ms forwards;
}

.circle-intro--sm-plum-bottom {
  opacity: 0;
  animation: converge-sm-plum-bottom 1300ms var(--ease-organic) 300ms forwards;
}

.circle-intro--sm-gold-right {
  opacity: 0;
  animation: converge-sm-gold-right 1280ms var(--ease-organic) 340ms forwards;
}

.circle-intro--md-violet-top {
  opacity: 0;
  animation: converge-md-violet-top 1320ms var(--ease-organic) 380ms forwards;
}

.circle-intro--md-plum-right {
  opacity: 0;
  animation: converge-md-plum-right 1320ms var(--ease-organic) 420ms forwards;
}

.circle-intro--lg-magenta {
  opacity: 0;
  animation: converge-lg-magenta 1380ms var(--ease-organic) 400ms forwards;
}

.circle-intro--lg-amber {
  opacity: 0;
  animation: converge-lg-amber 1400ms var(--ease-organic) 460ms forwards;
}

.circle-intro--lg-mint {
  opacity: 0;
  animation: converge-lg-mint 1420ms var(--ease-organic) 520ms forwards;
}

.circle-intro--lg-yellow {
  opacity: 0;
  animation: converge-lg-yellow 1420ms var(--ease-organic) 580ms forwards;
}

.brand-logo__lettering {
  opacity: 0;
  animation: reveal-lettering 650ms var(--ease-organic) 1600ms forwards;
  will-change: transform, opacity, filter;
}

/* --------------------------------------------------------------------------
   Tipografia do Hero
   -------------------------------------------------------------------------- */

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

/* H1 Único — Learn. Experience. Interact. */
.hero__headline {
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  font-weight: 600;
  letter-spacing: -0.032em;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: clamp(0.75rem, 1.8vh, 1.1rem);
  text-wrap: balance;
  opacity: 0;
  animation: reveal-up 620ms var(--ease-organic) 2100ms forwards;
}

.hero__subtitle {
  font-size: clamp(1.125rem, 2.2vw, 1.35rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.35;
  color: var(--color-white);
  margin-bottom: 0.65rem;
  text-wrap: balance;
  opacity: 0;
  animation: reveal-up 620ms var(--ease-organic) 2400ms forwards;
}

/* Largura controlada: 48-56ch no desktop */
.hero__lead {
  font-size: clamp(0.975rem, 1.6vw, 1.1rem);
  font-weight: 400;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.94);
  max-width: 52ch;
  margin: 0 auto clamp(1.75rem, 3.8vh, 2.6rem);
  text-wrap: pretty;
  opacity: 0;
  animation: reveal-up 620ms var(--ease-organic) 2520ms forwards;
}

/* --------------------------------------------------------------------------
   CTA Principal e Microcopy de Site em Construção
   -------------------------------------------------------------------------- */

.hero__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  opacity: 0;
  animation: reveal-up 560ms var(--ease-organic) 2800ms forwards;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 3.35rem;
  padding: 0.875rem 2.15rem;
  border-radius: 999px;
  background-color: var(--color-white);
  color: var(--color-ink);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(35, 25, 60, 0.12);
  transition: transform 220ms var(--ease-snappy), box-shadow 220ms var(--ease-snappy), background-color 200ms ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 38px rgba(35, 25, 60, 0.2);
  background-color: #FFFFFF;
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 4px;
}

.btn-primary__icon {
  color: var(--color-plum);
  flex-shrink: 0;
  transition: transform 220ms var(--ease-snappy);
}

.btn-primary__arrow {
  font-size: 1.1rem;
  color: var(--color-plum);
  transition: transform 220ms var(--ease-snappy);
}

.btn-primary:hover .btn-primary__arrow {
  transform: translateX(3px);
}

/* Microcopy discreta e elegante: caixa alta, tracking aberto, peso 400 */
.hero__status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.78);
  user-select: none;
}

.hero__status-sep {
  opacity: 0.6;
}

/* Keyframes de animação */
@keyframes converge-sm-gold-left {
  0% { opacity: 0; transform: translate(-64px, -28px) scale(0.75); }
  100% { opacity: 1; transform: translate(0, 0) scale(1); }
}

@keyframes converge-sm-plum-bottom {
  0% { opacity: 0; transform: translate(-52px, 56px) scale(0.75); }
  100% { opacity: 1; transform: translate(0, 0) scale(1); }
}

@keyframes converge-sm-gold-right {
  0% { opacity: 0; transform: translate(58px, 32px) scale(0.75); }
  100% { opacity: 1; transform: translate(0, 0) scale(1); }
}

@keyframes converge-md-violet-top {
  0% { opacity: 0; transform: translate(8px, -68px) scale(0.8); }
  100% { opacity: 1; transform: translate(0, 0) scale(1); }
}

@keyframes converge-md-plum-right {
  0% { opacity: 0; transform: translate(72px, -22px) scale(0.8); }
  100% { opacity: 1; transform: translate(0, 0) scale(1); }
}

@keyframes converge-lg-magenta {
  0% { opacity: 0; transform: translate(-56px, 64px) scale(0.86); }
  100% { opacity: 1; transform: translate(0, 0) scale(1); }
}

@keyframes converge-lg-amber {
  0% { opacity: 0; transform: translate(-68px, -54px) scale(0.86); }
  100% { opacity: 1; transform: translate(0, 0) scale(1); }
}

@keyframes converge-lg-mint {
  0% { opacity: 0; transform: translate(66px, -52px) scale(0.86); }
  100% { opacity: 1; transform: translate(0, 0) scale(1); }
}

@keyframes converge-lg-yellow {
  0% { opacity: 0; transform: translate(62px, 58px) scale(0.86); }
  100% { opacity: 1; transform: translate(0, 0) scale(1); }
}

@keyframes reveal-lettering {
  0% { opacity: 0; transform: translateY(10px); filter: blur(2px); }
  100% { opacity: 1; transform: translateY(0); filter: blur(0); }
}

@keyframes reveal-up {
  0% { opacity: 0; transform: translateY(12px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* Movimento ambiente sutil pós-intro */
.circle-ambient {
  transform-box: fill-box;
  transform-origin: center;
  will-change: transform;
}

.circle-ambient--1 { animation: ambient-drift-1 13.5s ease-in-out 2.2s infinite alternate; }
.circle-ambient--2 { animation: ambient-drift-2 9.2s ease-in-out 2.2s infinite alternate; }
.circle-ambient--3 { animation: ambient-drift-3 10.8s ease-in-out 2.2s infinite alternate; }
.circle-ambient--4 { animation: ambient-drift-4 11.6s ease-in-out 2.2s infinite alternate; }
.circle-ambient--5 { animation: ambient-drift-5 8.6s ease-in-out 2.2s infinite alternate; }
.circle-ambient--6 { animation: ambient-drift-6 12.4s ease-in-out 2.2s infinite alternate; }
.circle-ambient--7 { animation: ambient-drift-7 14.2s ease-in-out 2.2s infinite alternate; }
.circle-ambient--8 { animation: ambient-drift-8 12.8s ease-in-out 2.2s infinite alternate; }
.circle-ambient--9 { animation: ambient-drift-9 14.8s ease-in-out 2.2s infinite alternate; }

@keyframes ambient-drift-1 { 0% { transform: translate(0, 0); } 100% { transform: translate(4px, -5px); } }
@keyframes ambient-drift-2 { 0% { transform: translate(0, 0); } 100% { transform: translate(-5px, 3px); } }
@keyframes ambient-drift-3 { 0% { transform: translate(0, 0); } 100% { transform: translate(5px, 4px); } }
@keyframes ambient-drift-4 { 0% { transform: translate(0, 0); } 100% { transform: translate(-4px, -5px); } }
@keyframes ambient-drift-5 { 0% { transform: translate(0, 0); } 100% { transform: translate(4px, -4px); } }
@keyframes ambient-drift-6 { 0% { transform: translate(0, 0); } 100% { transform: translate(-5px, 4px); } }
@keyframes ambient-drift-7 { 0% { transform: translate(0, 0); } 100% { transform: translate(-5px, 6px); } }
@keyframes ambient-drift-8 { 0% { transform: translate(0, 0); } 100% { transform: translate(5px, 5px); } }
@keyframes ambient-drift-9 { 0% { transform: translate(0, 0); } 100% { transform: translate(-6px, -4px); } }

/* ==========================================================================
   ESTRUTURA EDITORIAL GERAL
   ========================================================================== */

.section {
  position: relative;
  overflow: hidden;
}

.container {
  width: 100%;
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 3.5vw, 2.5rem);
}

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-plum);
  margin-bottom: 0.85rem;
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--color-ink);
}

.section-lead {
  font-size: clamp(1.0625rem, 1.8vw, 1.25rem);
  font-weight: 400;
  line-height: 1.68;
  color: var(--color-ink-muted);
}

/* Círculos translúcidos ambientes conectando as seções */
.section-ambient-circle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.section-ambient-circle--amber {
  top: 15%;
  right: -6vw;
  width: clamp(220px, 28vw, 380px);
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(235, 181, 109, 0.22) 0%, rgba(251, 251, 254, 0) 70%);
}

.section-ambient-circle--mint {
  bottom: 8%;
  left: -8vw;
  width: clamp(240px, 32vw, 420px);
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(108, 175, 156, 0.2) 0%, rgba(251, 251, 254, 0) 70%);
}

.section-motif {
  display: inline-flex;
  align-items: center;
  margin-bottom: 1.25rem;
}

.motif-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: inline-block;
}

.motif-dot + .motif-dot {
  margin-left: -5px;
}

.motif-dot--amber { background-color: var(--color-amber); opacity: 0.85; }
.motif-dot--mint { background-color: var(--color-mint); opacity: 0.85; }
.motif-dot--magenta { background-color: var(--color-magenta); opacity: 0.82; }

/* ==========================================================================
   2. SEGUNDA ÁREA — PROPOSTA E METODOLOGIA (Split 40% / 60%)
   ========================================================================== */

.section--editorial {
  background-color: var(--color-surface-light);
  padding: clamp(5.5rem, 11vw, 9.5rem) 0;
}

.editorial-split {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: end;
  margin-bottom: clamp(3.75rem, 7.5vw, 6rem);
}

.desktop-only {
  display: inline;
}

/* 3 Pilares Editoriais Numerados (01, 02, 03) */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 4.5vw, 3.75rem);
  padding-top: clamp(2.25rem, 4.5vw, 3.5rem);
  border-top: 1px solid var(--color-hairline);
}

.pillar {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.pillar__top {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.pillar__num {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-plum);
}

.pillar__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.pillar__dot--amber { background-color: var(--color-amber); }
.pillar__dot--mint { background-color: var(--color-mint); }
.pillar__dot--magenta { background-color: var(--color-magenta); }

.pillar__title {
  font-size: clamp(1.3rem, 2.1vw, 1.6rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin-bottom: 0.6rem;
}

.pillar__text {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-ink-muted);
}

/* ==========================================================================
   3. PÚBLICOS / MODALIDADES (Um inglês para cada objetivo)
   ========================================================================== */

.section--audiences {
  background-color: var(--color-surface-alt);
  padding: clamp(5.5rem, 10vw, 8.5rem) 0;
}

.audiences-header {
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.audience-list {
  border-top: 1px solid var(--color-hairline);
}

.audience-item {
  display: grid;
  grid-template-columns: minmax(200px, 1fr) 2fr;
  align-items: baseline;
  gap: 1.25rem 3rem;
  padding: clamp(1.75rem, 3.5vw, 2.5rem) 0;
  border-bottom: 1px solid var(--color-hairline);
  transition: background-color 0.25s ease;
}

.audience-item__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
}

.audience-item__badge {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-plum);
  background: rgba(126, 44, 106, 0.08);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}

.audience-item__title {
  font-size: clamp(1.35rem, 2.2vw, 1.65rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.audience-item__desc {
  font-size: clamp(1.025rem, 1.6vw, 1.15rem);
  line-height: 1.6;
  color: var(--color-ink-muted);
  max-width: 54ch;
}

.audiences-note {
  margin-top: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-ink-subtle);
}

/* ==========================================================================
   4. PROFESSORA — MEET AMÂRA (Experiência que virou método)
   ========================================================================== */

.section--teacher {
  background-color: var(--color-surface-light);
  padding: clamp(5.5rem, 11vw, 9.5rem) 0;
}

.teacher-editorial {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.teacher-editorial__bio {
  font-size: clamp(1.0625rem, 1.8vw, 1.25rem);
  line-height: 1.7;
  color: var(--color-ink-muted);
  margin-bottom: 2rem;
}

.teacher-editorial__institutions {
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.7;
  color: var(--color-ink-subtle);
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-hairline);
}

/* ==========================================================================
   5. CONTATO E REDES SOCIAIS (Vamos conversar?)
   ========================================================================== */

.section--contact {
  background-color: var(--color-surface-alt);
  padding: clamp(5rem, 9vw, 7.5rem) 0;
}

.contact-editorial {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(2rem, 4vw, 3rem);
}

.contact-editorial__header {
  max-width: 44rem;
}

.contact-editorial__header .section-title {
  margin-bottom: 0.75rem;
}

.contact-editorial__lead {
  font-size: clamp(1.05rem, 1.7vw, 1.2rem);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

.contact-channels {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem 2.5rem;
  border-top: 1px solid var(--color-hairline);
  padding-top: 2rem;
}

/* Card editorial de contato */
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem;
  border-radius: 16px;
  background-color: var(--color-surface-light);
  border: 1px solid var(--color-hairline);
  text-decoration: none;
  color: var(--color-ink);
  transition: transform 220ms var(--ease-snappy), box-shadow 220ms var(--ease-snappy), border-color 200ms ease;
}

.contact-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(35, 25, 60, 0.08);
  border-color: rgba(126, 44, 106, 0.25);
}

.contact-card:focus-visible {
  outline: 2px solid var(--color-plum);
  outline-offset: 3px;
}

.contact-card__icon-wrap {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: rgba(126, 44, 106, 0.08);
  color: var(--color-plum);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background-color 200ms ease, color 200ms ease;
}

.contact-card:hover .contact-card__icon-wrap {
  background-color: var(--color-plum);
  color: var(--color-white);
}

.contact-card__content {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  flex-grow: 1;
}

.contact-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.contact-card__label {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.contact-card__arrow {
  font-size: 1.15rem;
  color: var(--color-plum);
  transition: transform 220ms var(--ease-snappy);
}

.contact-card:hover .contact-card__arrow {
  transform: translate(2px, -2px);
}

.contact-card__action,
.contact-card__handle {
  font-size: 0.95rem;
  color: var(--color-ink-subtle);
  font-weight: 400;
}

/* Destaque sutil no WhatsApp */
.contact-card--primary {
  border-color: rgba(126, 44, 106, 0.2);
}

/* ==========================================================================
   6. FINAL DA PÁGINA (Encerramento de Alto Impacto, Fundo Lilás Pleno)
   ========================================================================== */

.closing {
  position: relative;
  overflow: hidden;
  background-color: var(--color-lilac);
  color: var(--color-white);
  padding: clamp(5.5rem, 11vw, 8.5rem) 1.5rem clamp(3rem, 6vw, 4.5rem);
  text-align: center;
}

.closing__backdrop-circle {
  position: absolute;
  bottom: -12vw;
  left: -8vw;
  width: clamp(240px, 32vw, 440px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108, 175, 156, 0.22) 0%, rgba(155, 150, 193, 0) 70%);
  pointer-events: none;
  z-index: 1;
}

.closing__inner {
  position: relative;
  z-index: 2;
  max-width: 42rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.closing__symbol {
  margin-bottom: 1.75rem;
}

.closing__symbol img {
  display: block;
  width: 48px;
  height: auto;
}

.closing__title {
  font-size: clamp(1.85rem, 3.6vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.028em;
  line-height: 1.18;
  margin-bottom: 0.75rem;
  text-wrap: balance;
}

.closing__text {
  font-size: clamp(1.05rem, 1.7vw, 1.2rem);
  color: rgba(255, 255, 255, 0.94);
  margin-bottom: 2rem;
}

.closing__domain {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-white);
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  background-color: rgba(255, 255, 255, 0.16);
  margin-bottom: 1.75rem;
  user-select: all;
}

.closing__links {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 3rem;
}

.closing__links a {
  color: var(--color-white);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(255, 255, 255, 0.5);
  padding: 0.5rem 0.35rem;
  transition: text-decoration-color 200ms ease, opacity 200ms ease;
}

.closing__links a:hover {
  text-decoration-color: var(--color-white);
}

.closing__links a:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 4px;
  border-radius: 4px;
}

.closing__sep {
  opacity: 0.6;
}

.closing__meta {
  width: 100%;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.85);
}

/* ==========================================================================
   REVEAL PROGRESSIVO & STAGGER SUAVE
   ========================================================================== */

.js-enabled .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 650ms var(--ease-organic), transform 650ms var(--ease-organic);
}

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

.js-enabled .reveal-stagger {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 650ms var(--ease-organic), transform 650ms var(--ease-organic);
}

.js-enabled .reveal-stagger[data-index="1"] { transition-delay: 80ms; }
.js-enabled .reveal-stagger[data-index="2"] { transition-delay: 180ms; }
.js-enabled .reveal-stagger[data-index="3"] { transition-delay: 280ms; }

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

/* ==========================================================================
   DESIGN RESPONSIVO & BREAKPOINTS
   ========================================================================== */

@media (max-width: 900px) {
  .editorial-split {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: start;
  }

  .desktop-only {
    display: none;
  }

  .pillars {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }

  .teacher-editorial {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

@media (max-width: 680px) {
  .site-header {
    padding: 1rem 1.25rem;
  }

  .audience-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .hero {
    padding-top: 4.5rem;
    padding-bottom: 2.5rem;
  }

  .hero__brand {
    width: clamp(190px, 54vw, 240px);
  }

  .hero__lead {
    max-width: 32ch;
  }

  .btn-primary {
    width: 100%;
    max-width: 20rem;
  }
}

/* ==========================================================================
   ACESSIBILIDADE: PREFERS-REDUCED-MOTION
   ========================================================================== */

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

  .circle-intro,
  .circle-ambient,
  .brand-logo__lettering,
  .hero__headline,
  .hero__subtitle,
  .hero__lead,
  .hero__actions,
  .js-enabled .reveal,
  .js-enabled .reveal-stagger {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
}