/* ============================================
   SEMINÁRIO DE ADORAÇÃO — MEVAM SOROCABA
   Identity: Teal Sage #72A09C + Golden #F1DA6D
   Fonts: Montserrat (display), Inter (body)
   ============================================ */

/* --- DESIGN TOKENS --- */
:root {
  /* Core Palette — from MEVAM identity */
  --color-bg-deep: #4a706d;
  --color-bg-primary: #72A09C;
  --color-bg-light: #8ab5b1;
  --color-bg-lighter: #a3c7c4;
  --color-bg-muted: #5d8b88;

  /* Accent — Golden Yellow from identity */
  --color-gold: #F1DA6D;
  --color-gold-light: #f5e48e;
  --color-gold-dark: #d4be4f;
  --color-gold-dim: rgba(241, 218, 109, 0.15);

  /* Neutral system */
  --color-white: #ffffff;
  --color-white-warm: #f8f6f0;
  --color-text: #ffffff;
  --color-text-muted: rgba(255, 255, 255, 0.75);
  --color-text-subtle: rgba(255, 255, 255, 0.45);

  /* Glass */
  --glass-bg: rgba(74, 112, 109, 0.45);
  --glass-bg-light: rgba(114, 160, 156, 0.35);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-border-gold: rgba(241, 218, 109, 0.25);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);

  /* Typography */
  --font-display: 'Montserrat', 'Inter', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Spacing rhythm — 8px base */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;

  /* Motion */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-base: 0.6s;
  --duration-slow: 1.2s;

  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-round: 50%;

  /* Mouse follow */
  --mouse-x: 50%;
  --mouse-y: 50%;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

a {
  color: var(--color-gold);
  text-decoration: none;
  transition: color var(--duration-base) var(--ease-out-expo);
}

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

/* --- FADE IN ANIMATION --- */
.fade-in {
  opacity: 0;
  transform: translateY(40px) scale(0.97);
  transition: opacity 0.8s var(--ease-out-expo),
              transform 0.8s var(--ease-out-expo);
}

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

/* ============================================
   STICKY NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.2rem 2rem;
  transition: all 0.5s var(--ease-out-expo);
}

.navbar.scrolled {
  padding: 0.7rem 2rem;
  background: rgba(74, 112, 109, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
  border-bottom: 1px solid var(--glass-border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  transition: color 0.3s, transform 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width 0.4s var(--ease-out-expo);
}

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

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

.nav-cta {
  font-weight: 800 !important;
  letter-spacing: 0.2em !important;
  color: var(--color-bg-deep) !important;
  background: var(--color-gold);
  padding: 0.5em 1.5em;
  border-radius: 4px;
  transition: transform 0.3s var(--ease-out-expo), box-shadow 0.3s !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  color: var(--color-bg-deep) !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(241, 218, 109, 0.35);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-gold);
  border-radius: 2px;
  transition: all 0.3s var(--ease-out-expo);
}

/* --- SECTION LABELS --- */
.section-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  text-align: center;
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  text-align: center;
  color: var(--color-white);
  margin-bottom: var(--space-lg);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

/* ============================================
   HERO SECTION — Full-screen immersive
   ============================================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at var(--mouse-x) var(--mouse-y), rgba(241, 218, 109, 0.07) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 20%, rgba(138, 181, 177, 0.6) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 80%, rgba(241, 218, 109, 0.08) 0%, transparent 40%),
    linear-gradient(180deg, var(--color-bg-light) 0%, var(--color-bg-deep) 100%);
  overflow: hidden;
  perspective: 1200px;
}

/* Noise texture overlay */
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
}

/* Floating particles */
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.particle {
  position: absolute;
  background: var(--color-gold);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 8s infinite var(--ease-in-out);
}

@keyframes particleFloat {
  0% { opacity: 0; transform: translateY(0) scale(0); }
  20% { opacity: 0.5; transform: translateY(-30px) scale(1); }
  80% { opacity: 0.2; transform: translateY(-120px) scale(0.5); }
  100% { opacity: 0; transform: translateY(-200px) scale(0); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  animation: heroEntrance 1.5s var(--ease-out-expo) forwards;
  transform-origin: center bottom;
}

@keyframes heroEntrance {
  0% {
    opacity: 0;
    transform: perspective(1200px) rotateX(8deg) translateY(60px) scale(0.9);
  }
  100% {
    opacity: 1;
    transform: perspective(1200px) rotateX(0deg) translateY(0) scale(1);
  }
}

/* Hero SVG Visual — layered composition */
.hero-visual {
  display: grid;
  place-items: center;
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeSlideUp 1.2s 0.3s var(--ease-out-expo) forwards;
}

/* Both children occupy the same grid cell */
.hero-visual > * {
  grid-area: 1 / 1;
}

.hero-visual-img {
  max-width: min(92vw, 900px);
  height: auto;
  filter: drop-shadow(0 8px 40px rgba(0, 0, 0, 0.2)) drop-shadow(0 0 80px rgba(241, 218, 109, 0.08));
  pointer-events: none;
  will-change: transform;
}

/* Hero title — overlaid at the bottom of the SVG */
.hero-visual-text {
  align-self: end;
  text-align: center;
  z-index: 10;
  padding-bottom: 3%;
  pointer-events: none;
}

.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.hero-title-top {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.8rem);
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  opacity: 0;
  animation: fadeSlideUp 1s 0.8s var(--ease-out-expo) forwards;
}

.hero-title-bottom {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-gold);
  line-height: 0.95;
  text-shadow: 0 4px 40px rgba(0, 0, 0, 0.15);
  opacity: 0;
  animation: titleReveal 1.2s 0.9s var(--ease-out-expo) forwards;
}

@keyframes fadeSlideUp {
  0% { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}

.hero-date {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--color-white);
  margin-bottom: var(--space-lg);
  opacity: 0;
  animation: fadeSlideUp 1s 1.3s var(--ease-out-expo) forwards;
}

.hero-info-row {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
  opacity: 0;
  animation: fadeSlideUp 1s 1.5s var(--ease-out-expo) forwards;
}

.hero-info-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.hero-info-divider {
  width: 1px;
  height: 16px;
  background: rgba(255,255,255,0.3);
}

.hero-cta {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-bg-deep);
  background: var(--color-gold);
  padding: 1.1em 3.2em;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  opacity: 0;
  animation: fadeSlideUp 1s 1.7s var(--ease-out-expo) forwards;
  transition: transform 0.4s var(--ease-out-expo),
              box-shadow 0.4s var(--ease-out-expo);
}

.hero-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.35) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease-out-expo);
}

.hero-cta:hover {
  color: var(--color-bg-deep);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 40px rgba(241, 218, 109, 0.4);
}

.hero-cta:hover::before {
  transform: translateX(100%);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  animation: fadeSlideUp 1s 2s var(--ease-out-expo) forwards;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scrollPulse 2s infinite var(--ease-in-out);
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.5); opacity: 0.3; }
}

/* ============================================
   MANIFESTO SECTION
   ============================================ */
.manifesto-section {
  padding: var(--space-2xl) 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(241, 218, 109, 0.06) 0%, transparent 50%),
    var(--color-bg-deep);
  position: relative;
}

.manifesto-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--color-gold), transparent);
}

.manifesto-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  text-align: center;
  color: var(--color-white);
  line-height: 1.1;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.manifesto-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-style: italic;
  font-weight: 600;
  color: var(--color-gold);
  text-align: center;
  margin-bottom: var(--space-lg);
}

.manifesto-content {
  max-width: 700px;
  margin: 0 auto var(--space-lg);
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--color-text-muted);
  text-align: center;
}

.manifesto-content strong {
  color: var(--color-white);
  font-weight: 700;
}

.manifesto-highlight {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  font-style: italic;
  color: var(--color-white);
  padding: var(--space-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-left: 4px solid var(--color-gold);
  border-radius: var(--radius-sm);
  line-height: 1.5;
  position: relative;
}

.highlight-mark {
  color: var(--color-gold);
  font-size: 2em;
  line-height: 0;
  vertical-align: -0.2em;
}

/* ============================================
   POR QUE SECTION — 4-card grid with 3D hover
   ============================================ */
.porque-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg-muted);
  position: relative;
}

.porque-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--color-gold), transparent);
}

.porque-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.porque-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-md);
  position: relative;
  overflow: hidden;
  transition: transform 0.5s var(--ease-out-expo),
              box-shadow 0.5s var(--ease-out-expo),
              border-color 0.5s var(--ease-out-expo);
  transform-style: preserve-3d;
  perspective: 800px;
}

.porque-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-out-expo);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.porque-card:hover {
  transform: translateY(-8px) rotateX(2deg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  border-color: var(--glass-border-gold);
}

.porque-card:hover::before {
  transform: scaleX(1);
}

.porque-card-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: rgba(241, 218, 109, 0.15);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.porque-card-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.porque-card p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.porque-card p strong {
  color: var(--color-white);
  font-weight: 700;
}

/* ============================================
   PRELETORES SECTION — Speaker cards
   ============================================ */
.preletores-section {
  padding: var(--space-2xl) 0;
  background:
    radial-gradient(ellipse at 70% 20%, rgba(138, 181, 177, 0.25) 0%, transparent 50%),
    var(--color-bg-primary);
  position: relative;
}

.preletores-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--color-gold), transparent);
}

.preletores-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
}

.estrutura-icon-line {
  width: 40px;
  height: 3px;
  background: var(--color-gold);
  margin-bottom: var(--space-sm);
  border-radius: 2px;
}

.preletor-card {
  text-align: center;
  padding: var(--space-lg) var(--space-sm);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: transform 0.6s var(--ease-out-expo),
              box-shadow 0.6s var(--ease-out-expo),
              border-color 0.6s var(--ease-out-expo);
  transform-style: preserve-3d;
}

.preletor-card:hover {
  transform: translateY(-12px);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.25),
    0 0 40px rgba(241, 218, 109, 0.06);
  border-color: var(--glass-border-gold);
}

.preletor-image-wrapper {
  margin-bottom: var(--space-md);
  perspective: 600px;
}

.preletor-image {
  width: 130px;
  height: 130px;
  margin: 0 auto;
  border-radius: var(--radius-round);
  object-fit: cover;
  border: 3px solid rgba(241, 218, 109, 0.3);
  transition: transform 0.6s var(--ease-out-expo),
              border-color 0.6s var(--ease-out-expo),
              box-shadow 0.6s var(--ease-out-expo);
  position: relative;
  filter: grayscale(0.15);
}

.preletor-card:hover .preletor-image {
  border-color: var(--color-gold);
  transform: scale(1.08);
  box-shadow: 0 0 30px rgba(241, 218, 109, 0.15);
  filter: grayscale(0);
}

.preletor-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-xs);
  letter-spacing: -0.01em;
}

.preletor-role {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}

.preletor-bio {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.preletor-social {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-gold);
  border: 1px solid rgba(241, 218, 109, 0.35);
  padding: 0.4em 1.2em;
  border-radius: 20px;
  transition: all 0.4s var(--ease-out-expo);
}

.preletor-social:hover {
  background: var(--color-gold);
  color: var(--color-bg-deep);
  transform: scale(1.05);
}

/* ============================================
   PROGRAMAÇÃO SECTION — Timeline cards
   ============================================ */
.programacao-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg-muted);
  position: relative;
}

.programacao-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--color-gold), transparent);
}

.programacao-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.programacao-card {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  transition: transform 0.5s var(--ease-out-expo),
              box-shadow 0.5s var(--ease-out-expo);
}

.programacao-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.programacao-card-highlight {
  border-color: var(--color-gold);
  background: rgba(241, 218, 109, 0.08);
}

.programacao-card-highlight::after {
  content: 'DIA COMPLETO';
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 0.55rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-bg-deep);
  background: var(--color-gold);
  padding: 0.3em 0.8em;
  border-radius: 4px;
}

.programacao-day {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-xs);
}

.programacao-date {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-white);
  line-height: 1;
}

.programacao-divider {
  width: 40px;
  height: 2px;
  background: var(--color-gold);
  margin: var(--space-md) auto;
  border-radius: 2px;
}

.programacao-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.programacao-period {
  font-size: 0.75rem;
  color: var(--color-gold);
  font-weight: 700;
}

/* ============================================
   ESTRUTURA SECTION
   ============================================ */
.estrutura-section {
  padding: var(--space-2xl) 0;
  background:
    radial-gradient(ellipse at 30% 70%, rgba(241, 218, 109, 0.05) 0%, transparent 50%),
    var(--color-bg-primary);
  position: relative;
}

.estrutura-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--color-gold), transparent);
}

.estrutura-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.estrutura-card {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: transform 0.5s var(--ease-out-expo),
              box-shadow 0.5s var(--ease-out-expo);
}

.estrutura-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

.estrutura-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}

.estrutura-card p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* ============================================
   CTA FINAL SECTION
   ============================================ */
.cta-section {
  padding: var(--space-2xl) 0;
  background:
    radial-gradient(ellipse at 50% 50%, rgba(241, 218, 109, 0.1) 0%, transparent 60%),
    var(--color-bg-deep);
  text-align: center;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--color-gold), transparent);
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--space-lg);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.cta-info {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.cta-info-item {
  display: flex;
  flex-direction: column;
  gap: 0.3em;
}

.cta-info-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.cta-info-value {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-white);
}

.cta-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--space-lg);
}

.cta-button {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-bg-deep);
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  padding: 1.2em 4em;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  transition: transform 0.5s var(--ease-out-expo),
              box-shadow 0.5s var(--ease-out-expo);
  /* Pulsing glow */
  animation: ctaPulse 3s infinite var(--ease-in-out);
}

@keyframes ctaPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(241, 218, 109, 0.3); }
  50% { box-shadow: 0 0 30px 8px rgba(241, 218, 109, 0.15); }
}

.cta-button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.4) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.7s var(--ease-out-expo);
}

.cta-button:hover {
  color: var(--color-bg-deep);
  transform: translateY(-4px) scale(1.03);
  box-shadow:
    0 16px 50px rgba(241, 218, 109, 0.45),
    0 0 80px rgba(241, 218, 109, 0.1);
  animation: none;
}

.cta-button:hover::before {
  transform: translateX(100%);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--space-lg) 0;
  background: var(--color-bg-deep);
  text-align: center;
  border-top: 1px solid var(--glass-border);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}

.footer-text {
  font-size: 0.8rem;
  color: var(--color-text-subtle);
  line-height: 1.8;
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet landscape */
@media (max-width: 1100px) {
  .preletores-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .preletor-card:nth-child(4) {
    grid-column: 1 / 2;
  }
  .preletor-card:nth-child(5) {
    grid-column: 2 / 3;
  }
}

/* Tablet portrait */
@media (max-width: 900px) {
  .porque-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .preletores-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .preletor-card:nth-child(4) {
    grid-column: auto;
  }
  .preletor-card:nth-child(5) {
    grid-column: 1 / -1;
    max-width: 50%;
    justify-self: center;
  }

  .programacao-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(74, 112, 109, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1.5rem 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--glass-border);
  }

  .navbar.nav-open .nav-links {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .navbar.nav-open .nav-toggle span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .navbar.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
  }
  .navbar.nav-open .nav-toggle span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* Mobile */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }

  .hero-section {
    min-height: 100svh;
    padding: var(--space-xl) var(--space-sm);
  }

  .hero-visual-img {
    max-width: 95vw;
  }

  .hero-info-row {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .hero-info-divider {
    display: none;
  }

  .hero-date {
    font-size: clamp(1.4rem, 5vw, 2rem);
  }

  .manifesto-title {
    font-size: clamp(2rem, 7vw, 3rem);
  }

  .cta-info {
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
  }

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

  .preletores-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .preletor-card:nth-child(5) {
    grid-column: 1 / -1;
    max-width: 70%;
    justify-self: center;
  }

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

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

  .manifesto-highlight {
    padding: var(--space-md);
    font-size: 1.2rem;
  }

  .preletor-image {
    width: 110px;
    height: 110px;
  }

  .section-title {
    font-size: clamp(1.6rem, 5vw, 2.2rem);
  }

  /* Reduce section padding on mobile */
  .manifesto-section,
  .porque-section,
  .preletores-section,
  .programacao-section,
  .estrutura-section,
  .cta-section {
    padding: var(--space-xl) 0;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .hero-cta {
    padding: 0.8em 2em;
    font-size: 0.7rem;
  }

  .cta-button {
    padding: 1em 2.5em;
    font-size: 0.75rem;
  }

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

  .preletor-card:nth-child(5) {
    grid-column: auto;
    max-width: 100%;
  }

  .preletor-card {
    padding: var(--space-md) var(--space-sm);
  }
}