/* ================================================================
   MEDIOBRA — LANDING PAGE INSTITUCIONAL v3
   Identidade: Mapa Topográfico · Precisão Técnica · SaaS B2B
   Paleta: #212529 · #37374d · #444c64 · #1f2c64
   Acento: Verde Técnico #3CE698
   Tipografia: Big Shoulders · Helvetica
   ================================================================ */

/* ================================================================
   VARIÁVEIS
   ================================================================ */
:root {
  /* Paleta exata da marca */
  --bg:        #212529;
  --bg-2:      #37374d;
  --bg-3:      #444c64;
  --navy:      #1f2c64;
  --navy-deep: #162050;

  /* Texto */
  --white:     #ffffff;
  --text-1:    #e8eaf0;
  --text-2:    #9ba3bb;
  --text-3:    #636b82;

  /* Bordas */
  --border:    rgba(68, 76, 100, 0.5);
  --border-hi: rgba(68, 76, 100, 0.85);

  /* CTA — verde técnico */
  --cta:       #3CE698;
  --cta-h:     #2ED984;
  --cta-glow:  rgba(60, 230, 152, 0.22);
  --cta-text:  #0d1f15;

  /* Status */
  --ok:    #22c55e; --ok-bg:  rgba(34,197,94,0.10);  --ok-b:  rgba(34,197,94,0.22);
  --rev:   #f59e0b; --rev-bg: rgba(245,158,11,0.10); --rev-b: rgba(245,158,11,0.22);
  --dft:   #7a8299; --dft-bg: rgba(122,130,153,0.10);--dft-b: rgba(122,130,153,0.2);

  /* Tipografia */
  --font-h:    'Big Shoulders', Impact, 'Arial Black', sans-serif;
  --font-b:    'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-m:    'Courier New', Courier, monospace;

  /* Layout */
  --py:  100px;
  --max: 1240px;
  --px:  24px;

  /* UI */
  --r:    8px;
  --r-sm: 4px;
  --r-lg: 14px;
  --sh:   0 4px 28px rgba(0,0,0,0.35);
  --sh-lg:0 20px 64px rgba(0,0,0,0.45);
  --t:    0.2s ease;
  --ts:   0.45s ease;
}

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

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

body {
  font-family: var(--font-b);
  background: var(--bg);
  color: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a        { color: inherit; text-decoration: none; }
button   { cursor: pointer; border: none; background: none; font: inherit; }
ul       { list-style: none; }
input, select { font: inherit; color: inherit; }

/* ================================================================
   CONTAINER
   ================================================================ */
.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--px);
}

/* ================================================================
   TIPOGRAFIA
   ================================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-h);
  line-height: 1.06;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.5rem, 5.2vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3.1rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
h4 { font-size: 1rem; }

p  { line-height: 1.72; color: var(--text-1); }

strong { color: var(--white); font-weight: 700; }
.mono  { font-family: var(--font-m); font-size: 0.88em; }
.muted { color: var(--text-2); }

/* ================================================================
   BOTÕES
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--r);
  font-weight: 600;
  font-size: 0.91rem;
  letter-spacing: 0.01em;
  transition: all var(--t);
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: var(--cta);
  color: var(--cta-text);
  border: 1px solid transparent;
  animation: ctaGlow 3.5s ease-in-out infinite;
}
.btn-primary:hover {
  background: var(--cta-h);
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(60, 230, 152, 0.42);
  animation: none;
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
  animation: none;
}

.btn-outline {
  background: transparent;
  color: var(--text-1);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--cta);
  color: var(--cta);
}

.btn-large { padding: 14px 30px; font-size: 0.97rem; }
.btn-full  { width: 100%; justify-content: center; }

/* ================================================================
   STATUS BADGES
   ================================================================ */
.st {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--r-sm);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.st-ok  { background: var(--ok-bg);  color: var(--ok);  border: 1px solid var(--ok-b); }
.st-rev { background: var(--rev-bg); color: var(--rev); border: 1px solid var(--rev-b); }
.st-dft { background: var(--dft-bg); color: var(--dft); border: 1px solid var(--dft-b); }

/* ================================================================
   EYEBROW + SECTION HEADER
   ================================================================ */
.eyebrow {
  display: inline-block;
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cta);
  margin-bottom: 12px;
}

.sec-header {
  text-align: center;
  max-width: 740px;
  margin: 0 auto 60px;
}
.sec-header h2 { margin-bottom: 14px; color: var(--white); }
.sec-header p  { font-size: 1.05rem; color: var(--text-1); }

/* ================================================================
   REVEAL
   ================================================================ */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ================================================================
   LOGO
   ================================================================ */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
}
.logo-mark {
  height: 38px;
  width: auto;
  flex-shrink: 0;
}
.logo-mark-full {
  height: 36px;
}

/* ================================================================
   NAV
   ================================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background 0.38s ease, padding 0.38s ease, box-shadow 0.38s ease;
}
.nav.scrolled {
  background: rgba(33, 37, 41, 0.96);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  padding: 11px 0;
  box-shadow: 0 4px 36px rgba(0,0,0,0.32);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  flex: 1;
}
.nav-links a {
  font-size: 0.87rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--t);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0; right: 0;
  height: 1px;
  background: var(--cta);
  transform: scaleX(0);
  transition: transform var(--t);
  transform-origin: left;
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { transform: scaleX(1); }

.btn-nav {
  margin-left: auto;
  padding: 9px 18px;
  font-size: 0.85rem;
  /* Suppress the global glow animation for the smaller nav button */
  animation: none;
}
.btn-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(60, 230, 152, 0.32);
  animation: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: auto;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.26s ease;
  transform-origin: center;
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -5px); }

/* ================================================================
   HERO
   ================================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
  background-color: var(--bg);
}

/* Topographic SVG layer */
.hero-topo {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.topo-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
/* Gradient mask: left 45% escuro para legibilidade do texto */
.topo-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    var(--bg) 0%,
    rgba(33,37,41,0.92) 30%,
    rgba(33,37,41,0.55) 55%,
    rgba(33,37,41,0.1) 100%
  );
}

/* Bottom fade into next section */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 140px;
  background: linear-gradient(transparent, var(--bg-2));
  pointer-events: none;
  z-index: 1;
}

.hero-container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 68px;
}

/* --- Hero Content --- */
.hero-content { animation: fadeInL 0.8s ease both; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(60, 230, 152, 0.07);
  border: 1px solid rgba(60, 230, 152, 0.22);
  color: var(--cta);
  padding: 5px 13px;
  border-radius: 40px;
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.badge-pulse {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cta);
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  color: var(--white);
  margin-bottom: 22px;
  max-width: 580px;
}

.hero-subtitle {
  font-size: 1.08rem;
  color: var(--text-1);
  margin-bottom: 38px;
  max-width: 490px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-kpis {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}
.kpi strong {
  display: block;
  font-family: var(--font-h);
  font-size: 1.5rem;
  color: var(--white);
  line-height: 1.1;
}
.kpi span {
  font-size: 0.74rem;
  color: var(--text-3);
  letter-spacing: 0.02em;
  margin-top: 2px;
}
.kpi-sep { width: 1px; height: 34px; background: var(--border); flex-shrink: 0; }

/* ================================================================
   DASHBOARD MOCKUP (hero right side)
   ================================================================ */
.hero-visual {
  position: relative;
  animation: fadeInR 0.8s ease 0.18s both;
}
.dash-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(60, 230, 152, 0.09) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}
.dash-screenshot {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  border-radius: var(--r-lg);
  border: 1px solid rgba(60, 230, 152, 0.14);
  box-shadow: var(--sh-lg), 0 0 0 1px rgba(255,255,255,0.025);
  animation: floatY 7s ease-in-out infinite;
}

/* scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, rgba(60, 230, 152, 0.6));
  animation: scrollFade 2.4s ease-in-out infinite;
}

/* ================================================================
   PROBLEM SECTION
   ================================================================ */
.sec-problem {
  padding: var(--py) 0;
  background: var(--bg-2);
  position: relative;
}

.sec-problem h2 { font-style: italic; }

.problems-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.problem-card {
  background: rgba(33,37,41,0.5);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 24px 20px;
  transition: transform var(--t), border-color var(--t), box-shadow var(--t);
}
.problem-card:hover {
  transform: translateY(-5px);
  border-color: rgba(245,158,11,0.35);
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}
.pc-icon {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r);
  margin-bottom: 14px;
}
.pc-icon.warn {
  background: rgba(245,158,11,0.09);
  border: 1px solid rgba(245,158,11,0.18);
  color: var(--rev);
}
.problem-card h3 { font-size: 0.93rem; margin-bottom: 8px; color: var(--white); }
.problem-card p  { font-size: 0.83rem; color: var(--text-2); line-height: 1.6; }

/* ================================================================
   SOLUTION SECTION
   ================================================================ */
.sec-solution {
  padding: var(--py) 0;
  background: var(--bg);
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.sol-item {
  display: flex;
  gap: 13px;
  padding: 20px;
  background: rgba(55,55,77,0.2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  transition: border-color var(--t), transform var(--t);
}
.sol-item:hover { border-color: rgba(60, 230, 152, 0.35); transform: translateY(-3px); }

.sol-check {
  width: 20px; height: 20px;
  flex-shrink: 0;
  background: var(--cta);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.sol-item h4 { font-size: 0.92rem; color: var(--white); margin-bottom: 5px; }
.sol-item p  { font-size: 0.83rem; color: var(--text-2); line-height: 1.58; }

/* ================================================================
   FEATURES SECTION
   ================================================================ */
.sec-features {
  padding: var(--py) 0;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

/* Subtle topo overlay */
.feat-topo {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.feat-topo svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.sec-features .container { position: relative; z-index: 1; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
/* 5 cards: rows 1-3 normal, 4-5 centered in last row */
.features-grid .feat-card:nth-child(4),
.features-grid .feat-card:nth-child(5) {
  grid-column: span 1;
}
@supports (display: grid) {
  .features-grid { grid-template-columns: repeat(6, 1fr); }
  .features-grid .feat-card:nth-child(1) { grid-column: 1/3; }
  .features-grid .feat-card:nth-child(2) { grid-column: 3/5; }
  .features-grid .feat-card:nth-child(3) { grid-column: 5/7; }
  .features-grid .feat-card:nth-child(4) { grid-column: 2/4; }
  .features-grid .feat-card:nth-child(5) { grid-column: 4/6; }
}

.feat-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r);
  padding: 28px 24px;
  transition: background var(--ts), border-color var(--ts), transform var(--ts), box-shadow var(--ts);
}
.feat-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(60, 230, 152, 0.42);
  transform: translateY(-5px);
  box-shadow: 0 22px 60px rgba(0,0,0,0.5);
}
.feat-icon {
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(60, 230, 152, 0.08);
  border: 1px solid rgba(60, 230, 152, 0.16);
  border-radius: var(--r);
  color: #5de8a8;
  margin-bottom: 16px;
}
.feat-card h3 { font-size: 1.08rem; margin-bottom: 8px; color: var(--white); }
.feat-card > p { font-size: 0.87rem; color: rgba(232,234,240,0.62); margin-bottom: 14px; }

.feat-list {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.feat-list li {
  font-size: 0.78rem;
  color: rgba(232,234,240,0.46);
  padding-left: 13px;
  position: relative;
}
.feat-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--cta);
  font-size: 0.7rem;
}

/* ================================================================
   AUDIENCE SECTION
   ================================================================ */
.sec-audience {
  padding: var(--py) 0;
  background: var(--bg-2);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.aud-card {
  background: rgba(33,37,41,0.45);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 26px 18px;
  text-align: center;
  transition: transform var(--t), border-color var(--t), background var(--t);
}
.aud-card:hover {
  transform: translateY(-5px);
  border-color: rgba(60, 230, 152, 0.35);
  background: rgba(60, 230, 152, 0.04);
}
.aud-icon {
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  background: rgba(60, 230, 152, 0.07);
  border-radius: 50%;
  color: var(--cta);
  transition: background var(--t);
}
.aud-card:hover .aud-icon { background: rgba(60, 230, 152, 0.13); }
.aud-card h3 { font-size: 0.9rem; margin-bottom: 7px; color: var(--white); }
.aud-card p  { font-size: 0.8rem; color: var(--text-2); line-height: 1.55; }

/* ================================================================
   DIFFERENTIALS SECTION
   ================================================================ */
.sec-diff {
  padding: var(--py) 0;
  background: var(--bg);
}

.diff-inner {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 80px;
  align-items: start;
}

.diff-header h2 { margin-bottom: 12px; }
.diff-header p  { color: var(--text-2); font-size: 0.95rem; }

.diff-list { display: flex; flex-direction: column; }

.diff-item {
  display: flex;
  gap: 22px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  transition: all var(--t);
}
.diff-item:first-child { border-top: 1px solid var(--border); }
.diff-item:hover .diff-num { color: var(--cta); }

.diff-num {
  font-family: var(--font-h);
  font-size: 2.2rem;
  color: rgba(255,255,255,0.07);
  line-height: 1;
  min-width: 48px;
  flex-shrink: 0;
  transition: color var(--ts);
  user-select: none;
}
.diff-item h4 { font-size: 0.96rem; color: var(--white); margin-bottom: 5px; }
.diff-item p  { font-size: 0.84rem; color: var(--text-2); line-height: 1.64; }

/* ================================================================
   AI SECTION
   ================================================================ */
.sec-ai {
  padding: var(--py) 0;
  background: #0c1018;
  position: relative;
  overflow: hidden;
}

/* Two-layered ambient glow: green tint dominant + subtle depth */
.ai-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 900px; height: 500px;
  background: radial-gradient(
    ellipse,
    rgba(60, 230, 152, 0.06) 0%,
    rgba(31, 44, 100, 0.05) 50%,
    transparent 70%
  );
  pointer-events: none;
}

.ai-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(60, 230, 152, 0.07);
  border: 1px solid rgba(60, 230, 152, 0.22);
  color: var(--cta);
  padding: 4px 12px;
  border-radius: 40px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.ai-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--cta);
  animation: pulse 1.6s ease-in-out infinite;
}

.ai-content h2 { margin-bottom: 14px; }
.ai-content > p { color: rgba(232,234,240,0.62); line-height: 1.76; margin-bottom: 22px; }

.ai-points { display: flex; flex-direction: column; gap: 9px; }
.ai-point {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 0.87rem;
  color: var(--text-1);
}
.ai-point-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--cta);
  flex-shrink: 0;
}

/* Chat Screenshot */
.ai-chat-screenshot {
  display: block;
  width: 100%;
  border-radius: var(--r-lg);
  border: 1px solid rgba(60, 230, 152, 0.14);
  box-shadow: 0 0 80px rgba(60, 230, 152, 0.05), var(--sh-lg);
}

/* ================================================================
   CTA / DEMO SECTION
   ================================================================ */
.sec-cta {
  padding: var(--py) 0;
  background: var(--bg-2);
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 72px;
  align-items: start;
}

.cta-pitch h2 { margin-bottom: 12px; }
.cta-pitch > p { color: var(--text-2); margin-bottom: 28px; }

.cta-trust { display: flex; flex-direction: column; gap: 9px; }
.trust-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.87rem;
  color: var(--text-1);
}
.trust-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--cta);
  flex-shrink: 0;
}

/* Form */
.demo-form {
  background: rgba(33,37,41,0.55);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.form-field label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.form-field input,
.form-field select {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  color: var(--white);
  font-size: 0.89rem;
  transition: border-color var(--t), background var(--t), box-shadow var(--t);
  -webkit-appearance: none;
  appearance: none;
}
.form-field input::placeholder { color: var(--text-3); }
.form-field input:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--cta);
  background: rgba(60, 230, 152, 0.04);
  box-shadow: 0 0 0 3px rgba(60, 230, 152, 0.12);
}
.form-field select option { background: #2a2e3d; color: var(--white); }

.form-note {
  font-size: 0.75rem;
  color: var(--text-3);
  text-align: center;
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  background: #090c12;
  border-top: 1px solid var(--border);
  padding: 20px;
}
.footer-inner {
  display: flex;
  gap: 60px;
  padding: 52px 0 44px;
  align-items: flex-start;
}
.footer-brand { flex: 1; }
.footer-brand .logo { margin-bottom: 12px; color: var(--text-2); }
.footer-brand p { font-size: 0.84rem; color: var(--text-3); max-width: 260px; line-height: 1.65; }

.footer-nav { display: flex; gap: 52px; }
.footer-col { display: flex; flex-direction: column; gap: 11px; }
.footer-col h5 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 3px;
}
.footer-col a { font-size: 0.84rem; color: rgba(232,234,240,0.46); transition: color var(--t); }
.footer-col a:hover { color: var(--white); }

.footer-bottom { border-top: 1px solid var(--border); padding: 14px 0; }
.footer-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom-row span { font-size: 0.76rem; color: var(--text-3); }

/* ================================================================
   ANIMAÇÕES
   ================================================================ */
@keyframes fadeInL {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInR {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes floatY {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-10px); }
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%     { opacity: 0.42; transform: scale(0.8); }
}
@keyframes scrollFade {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50%  { opacity: 1; }
  100% { opacity: 0; transform: scaleY(1); transform-origin: top; }
}
/* CTA Button — pulsing glow micro-interaction */
@keyframes ctaGlow {
  0%, 100% {
    box-shadow: 0 4px 18px rgba(60, 230, 152, 0.18),
                0 1px 4px rgba(0,0,0,0.25);
  }
  50% {
    box-shadow: 0 8px 32px rgba(60, 230, 152, 0.38),
                0 2px 8px rgba(0,0,0,0.3);
  }
}

/* ================================================================
   RESPONSIVE — ≤1100px
   ================================================================ */
@media (max-width: 1100px) {
  :root { --py: 80px; }

  .hero-container { gap: 44px; }

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

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

  .features-grid,
  .features-grid .feat-card { grid-column: auto !important; }
  .features-grid { grid-template-columns: repeat(2, 1fr) !important; }

  .diff-inner { grid-template-columns: 260px 1fr; gap: 52px; }
  .ai-inner   { gap: 48px; }
  .cta-inner  { gap: 48px; }
}

/* ================================================================
   RESPONSIVE — ≤900px
   ================================================================ */
@media (max-width: 900px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 52px;
    text-align: center;
  }
  .hero-subtitle { max-width: 100%; }
  .hero-actions  { justify-content: center; }
  .hero-kpis     { justify-content: center; }
  .topo-mask {
    background: linear-gradient(
      to bottom,
      rgba(33,37,41,0.8) 0%,
      rgba(33,37,41,0.45) 50%,
      rgba(33,37,41,0.7) 100%
    );
  }

  .diff-inner { grid-template-columns: 1fr; gap: 40px; }
  .ai-inner   { grid-template-columns: 1fr; gap: 44px; }
  .cta-inner  { grid-template-columns: 1fr; gap: 44px; }
  .solution-grid { grid-template-columns: 1fr 1fr; }
}

/* ================================================================
   RESPONSIVE — ≤768px
   ================================================================ */
@media (max-width: 768px) {
  :root { --py: 64px; --px: 18px; }

  /* Nav Mobile */
  .btn-nav    { display: none; }
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    inset: 0;
    background: rgba(9,12,18,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    display: none;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.3rem; }
  .nav-links a::after { display: none; }
  .nav-inner { z-index: 100; position: relative; }

  /* Hero */
  .hero-kpis { gap: 18px; }
  .kpi-sep { height: 26px; }

  /* Grids */
  .problems-grid { grid-template-columns: 1fr 1fr; }
  .solution-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr !important; }
  .features-grid .feat-card { grid-column: auto !important; }
  .audience-grid { grid-template-columns: 1fr 1fr; }

  /* Form */
  .form-row  { grid-template-columns: 1fr; }
  .demo-form { padding: 22px 18px; }

  /* Footer */
  .footer-inner { flex-direction: column; gap: 32px; padding: 36px 0 28px; }
  .footer-nav   { gap: 32px; }
  .footer-bottom-row { flex-direction: column; text-align: center; }
}

/* ================================================================
   RESPONSIVE — ≤480px
   ================================================================ */
@media (max-width: 480px) {
  .problems-grid { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }

  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-kpis { flex-direction: column; gap: 10px; }
  .kpi-sep  { width: 40px; height: 1px; }

  h1 { font-size: 2.1rem; }
  h2 { font-size: 1.8rem; }
}