/* =============================================
   VARIÁVEIS E RESET
   ============================================= */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&family=Open+Sans:wght@400;500;600&display=swap');

:root {
  --color-dark: #1a3a4a;
  --color-gold: #c8963e;
  --color-gold-light: #e8b56a;
  --color-white: #ffffff;
  --color-green: #5a8a6a;
  --color-green-light: #7aaa8a;
  --color-bg: #f8f6f2;
  --color-bg-section: #f0ede8;
  --color-text: #2d2d2d;
  --color-text-muted: #555555;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(26, 58, 74, 0.10);
  --shadow-lg: 0 8px 40px rgba(26, 58, 74, 0.18);
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

/* =============================================
   TIPOGRAFIA
   ============================================= */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
}

.section-label {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  display: block;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--color-dark);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 620px;
  margin: 0 auto 2.5rem;
}

/* =============================================
   LAYOUT
   ============================================= */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

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

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

.text-center {
  text-align: center;
}

/* =============================================
   FADE-IN ANIMATION
   ============================================= */
.fade-in {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-align: center;
  line-height: 1.2;
}

.btn--primary {
  background: var(--color-gold);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(200, 150, 62, 0.35);
}

.btn--primary:hover {
  background: #b8832c;
  box-shadow: 0 6px 24px rgba(200, 150, 62, 0.5);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  border: 2px solid var(--color-gold);
  color: var(--color-gold);
}

.btn--outline:hover {
  background: var(--color-gold);
  color: var(--color-white);
  transform: translateY(-2px);
}

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

.btn--white:hover {
  background: #f0ede8;
  transform: translateY(-2px);
}

.btn--lg {
  padding: 1.1rem 2.5rem;
  font-size: 1.05rem;
}

/* =============================================
   NAVIGATION
   ============================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition);
  background: transparent;
}

.nav.scrolled {
  background: rgba(26, 58, 74, 0.97);
  box-shadow: 0 2px 16px rgba(0,0,0,0.15);
  padding: 0.65rem 0;
}

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

.nav__logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  color: var(--color-white);
  line-height: 1.2;
}

.nav__logo span {
  color: var(--color-gold);
}

.nav__cta {
  font-size: 0.85rem;
  padding: 0.55rem 1.3rem;
}

/* =============================================
   HERO
   ============================================= */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #0d2535 0%, #1a3a4a 55%, #1e4a3c 100%);
  display: flex;
  align-items: center;
  padding: 7rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -15%;
  width: 60%;
  height: 130%;
  background: radial-gradient(ellipse, rgba(200, 150, 62, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 50%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(90, 138, 106, 0.10) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(200, 150, 62, 0.15);
  border: 1px solid rgba(200, 150, 62, 0.4);
  border-radius: 50px;
  padding: 0.4rem 1rem;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold-light);
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  color: var(--color-white);
  margin-bottom: 0.6rem;
  font-weight: 800;
}

.hero__title span {
  color: var(--color-gold);
}

.hero__subtitle-line {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--color-green-light);
  margin-bottom: 1.5rem;
  font-style: italic;
  font-weight: 500;
}

.hero__description {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: rgba(255,255,255,0.82);
  max-width: 680px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  margin-bottom: 2.5rem;
}

.hero__meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.9);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
}

.hero__meta-item svg {
  color: var(--color-gold);
  flex-shrink: 0;
}

.hero__cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.hero__cta-note {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
}

/* =============================================
   COUNTDOWN
   ============================================= */
.countdown-bar {
  background: var(--color-gold);
  padding: 1rem 0;
}

.countdown-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.countdown-bar__label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-white);
  letter-spacing: 0.05em;
}

.countdown {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.countdown__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 54px;
}

.countdown__number {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
}

.countdown__unit {
  font-size: 0.62rem;
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
}

.countdown__sep {
  font-size: 1.4rem;
  font-weight: 800;
  color: rgba(255,255,255,0.7);
  margin-bottom: 0.6rem;
}

/* =============================================
   SOBRE O ENCONTRO
   ============================================= */
.sobre__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.sobre__text p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  font-size: 1.01rem;
  line-height: 1.85;
}

.sobre__highlight {
  background: var(--color-dark);
  color: var(--color-white);
  border-radius: var(--radius);
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.sobre__highlight::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-green));
}

.sobre__highlight-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 1.25rem;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sobre__highlight-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin-bottom: 0.85rem;
  font-size: 0.96rem;
  color: rgba(255,255,255,0.88);
}

.sobre__highlight-list li svg {
  color: var(--color-green-light);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.sobre__promise {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: rgba(200, 150, 62, 0.1);
  border-left: 3px solid var(--color-gold);
  border-radius: 0 8px 8px 0;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.85);
  font-style: italic;
  line-height: 1.6;
}

/* =============================================
   PÚBLICO-ALVO
   ============================================= */
.publico__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.publico__card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  border-top: 3px solid var(--color-green);
  transition: transform var(--transition), box-shadow var(--transition);
}

.publico__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.publico__card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(90, 138, 106, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-green);
}

.publico__card-text {
  font-size: 0.96rem;
  color: var(--color-text);
  line-height: 1.55;
}

/* =============================================
   O QUE VAI APRENDER
   ============================================= */
.aprender__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.aprender__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}

.aprender__icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(200, 150, 62, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-gold);
}

.aprender__text {
  font-size: 0.97rem;
  line-height: 1.55;
  color: rgba(255,255,255,0.88);
}

/* =============================================
   PROGRAMAÇÃO
   ============================================= */
.programacao__timeline {
  position: relative;
  max-width: 760px;
  margin: 2.5rem auto 0;
}

.programacao__timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-gold), var(--color-green));
}

.prog__item {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  position: relative;
}

.prog__dot {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--color-dark);
  border: 3px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--color-gold);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.prog__content {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
  flex: 1;
}

.prog__time {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.35rem;
}

.prog__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}

.prog__speaker {
  font-size: 0.82rem;
  color: var(--color-green);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.prog__bullets {
  margin-top: 0.75rem;
}

.prog__bullets li {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  padding: 0.2rem 0;
  padding-left: 1rem;
  position: relative;
}

.prog__bullets li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-weight: 700;
}

/* =============================================
   PALESTRANTES
   ============================================= */
.palestrantes__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}

.palestrante__card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--color-dark);
  transition: box-shadow var(--transition);
}

.palestrante__card:hover {
  box-shadow: var(--shadow-lg);
}

.palestrante__header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.palestrante__avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--color-gold);
}

.palestrante__name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.2rem;
}

.palestrante__role {
  font-size: 0.82rem;
  color: var(--color-gold);
  font-weight: 600;
}

.palestrante__bio {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* =============================================
   FRASES DE IMPACTO
   ============================================= */
.frases {
  background: linear-gradient(135deg, #0d2535 0%, #1a3a4a 100%);
  position: relative;
  overflow: hidden;
}

.frases::before {
  content: '"';
  position: absolute;
  top: -2rem;
  left: 1rem;
  font-size: 20rem;
  color: rgba(200, 150, 62, 0.05);
  font-family: Georgia, serif;
  line-height: 1;
  pointer-events: none;
}

.frases__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.frase__card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(200, 150, 62, 0.2);
  border-radius: var(--radius);
  padding: 1.75rem;
  position: relative;
  transition: background var(--transition), border-color var(--transition);
}

.frase__card:hover {
  background: rgba(200, 150, 62, 0.08);
  border-color: rgba(200, 150, 62, 0.4);
}

.frase__quote {
  color: var(--color-gold);
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 0.5rem;
  font-family: Georgia, serif;
}

.frase__text {
  font-size: 1rem;
  color: rgba(255,255,255,0.92);
  line-height: 1.65;
  font-style: italic;
}

/* =============================================
   INVESTIMENTO
   ============================================= */
.investimento__card {
  max-width: 540px;
  margin: 0 auto;
  background: var(--color-white);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.investimento__header {
  background: linear-gradient(135deg, var(--color-dark), #2a5a74);
  padding: 2rem;
  text-align: center;
}

.investimento__header-label {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold-light);
  margin-bottom: 0.75rem;
}

.investimento__price {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
}

.investimento__price-note {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  margin-top: 0.35rem;
}

.investimento__body {
  padding: 2rem;
}

.investimento__features {
  margin-bottom: 1.75rem;
}

.investimento__features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  font-size: 0.95rem;
}

.investimento__features li:last-child {
  border-bottom: none;
}

.investimento__features li svg {
  color: var(--color-green);
  flex-shrink: 0;
}

/* =============================================
   MAPA DE AUTONOMIA
   ============================================= */
.mapa__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.mapa__text .section-title {
  text-align: left;
}

.mapa__text .section-label {
  text-align: left;
}

.mapa__description {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.mapa__items {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.mapa__item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.mapa__item-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(90, 138, 106, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-green);
}

.mapa__visual {
  background: linear-gradient(135deg, var(--color-dark), #2a5a74);
  border-radius: 20px;
  padding: 2.5rem;
  text-align: center;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.mapa__visual::before {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -20%;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(90, 138, 106, 0.15);
}

.mapa__visual-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: rgba(200, 150, 62, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--color-gold);
}

.mapa__visual-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.mapa__visual-sub {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 1.5rem;
}

.mapa__visual-tag {
  display: inline-block;
  background: rgba(200, 150, 62, 0.2);
  border: 1px solid rgba(200, 150, 62, 0.4);
  border-radius: 50px;
  padding: 0.35rem 1rem;
  font-size: 0.8rem;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-gold-light);
}

/* =============================================
   FAQ
   ============================================= */
.faq__list {
  max-width: 720px;
  margin: 2.5rem auto 0;
}

.faq__item {
  border-bottom: 1px solid rgba(0,0,0,0.08);
  overflow: hidden;
}

.faq__question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 1.25rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--color-dark);
  transition: color var(--transition);
}

.faq__question:hover {
  color: var(--color-gold);
}

.faq__question-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-bg-section);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-dark);
  transition: all var(--transition);
  font-size: 1.2rem;
  font-weight: 400;
}

.faq__item.open .faq__question-icon {
  background: var(--color-gold);
  color: var(--color-white);
  transform: rotate(45deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq__answer-inner {
  padding: 0 0 1.25rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: #0d2535;
  color: rgba(255,255,255,0.75);
  padding: 3rem 0 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer__brand-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.footer__brand-desc {
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer__col-title {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1rem;
}

.footer__links li {
  margin-bottom: 0.5rem;
}

.footer__links a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}

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

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  margin-bottom: 0.75rem;
  color: rgba(255,255,255,0.75);
}

.footer__contact-item svg {
  color: var(--color-gold);
  flex-shrink: 0;
}

.footer__contact-item a {
  color: rgba(255,255,255,0.75);
  transition: color var(--transition);
}

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

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1.5rem;
  display: flex;
  justify-content: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  text-align: center;
}

/* =============================================
   BOTÃO FLUTUANTE WHATSAPP
   ============================================= */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: #25D366;
  color: var(--color-white);
  border-radius: 50px;
  padding: 0.85rem 1.5rem 0.85rem 1rem;
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.45);
  transition: all var(--transition);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.88rem;
}

.whatsapp-float:hover {
  background: #1da851;
  box-shadow: 0 6px 32px rgba(37, 211, 102, 0.6);
  transform: translateY(-3px);
}

.whatsapp-float svg {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.whatsapp-float__text {
  line-height: 1.2;
}

.whatsapp-float__text small {
  display: block;
  font-weight: 400;
  font-size: 0.72rem;
  opacity: 0.85;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
  .sobre__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .mapa__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .palestrantes__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 3.5rem 0;
  }

  .hero {
    padding: 6rem 0 3rem;
  }

  .hero__cta-group {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn--lg {
    width: 100%;
    justify-content: center;
  }

  .programacao__timeline::before {
    left: 24px;
  }

  .prog__dot {
    width: 50px;
    height: 50px;
    font-size: 0.75rem;
  }

  .frases__grid {
    grid-template-columns: 1fr;
  }

  .whatsapp-float {
    bottom: 1.25rem;
    right: 1.25rem;
    padding: 0.85rem;
    border-radius: 50%;
  }

  .whatsapp-float__text {
    display: none;
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .aprender__grid {
    grid-template-columns: 1fr;
  }

  .publico__grid {
    grid-template-columns: 1fr;
  }
}