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

:root {
  --bg:        #07070f;
  --bg2:       #0c0c18;
  --surface:   #111122;
  --border:    rgba(255,255,255,0.07);
  --glow:      rgba(124,58,237,0.25);
  --text:      #e2e2f0;
  --muted:     #7c7c9a;
  --purple:    #8b5cf6;
  --purple-lt: #a78bfa;
  --pink:      #ec4899;
  --grad:      linear-gradient(135deg, #8b5cf6, #ec4899);
  --r:         14px;
  --r-lg:      22px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

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

.container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==============================
   TYPOGRAPHY HELPERS
============================== */
.eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--purple-lt);
  margin-bottom: 14px;
}
.eyebrow.center { display: block; text-align: center; }

.sec-title {
  font-size: clamp(1.9rem, 3.8vw, 2.9rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.18;
  color: #fff;
  margin-bottom: 56px;
}
.sec-title.center { text-align: center; }
.sec-title span {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==============================
   BUTTONS
============================== */
.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: var(--grad);
  color: #fff;
  border-radius: 100px;
  font-size: 1rem;
  font-weight: 700;
  box-shadow: 0 4px 28px rgba(139,92,246,0.45);
  transition: transform .2s, box-shadow .2s;
}
.btn-hero:hover { transform: translateY(-2px); box-shadow: 0 8px 36px rgba(139,92,246,0.6); }

.btn-wpp {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 38px;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #fff;
  border-radius: 100px;
  font-size: 1.05rem;
  font-weight: 700;
  box-shadow: 0 4px 28px rgba(34,197,94,0.45);
  transition: transform .2s, box-shadow .2s;
}
.btn-wpp:hover { transform: translateY(-3px); box-shadow: 0 8px 40px rgba(34,197,94,0.6); }

.btn-nav {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  background: var(--grad);
  color: #fff;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: 0 2px 14px rgba(139,92,246,0.35);
  transition: transform .2s, box-shadow .2s;
}
.btn-nav:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(139,92,246,0.5); }

/* ==============================
   NAVBAR
============================== */
#navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background .3s, backdrop-filter .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
#navbar.scrolled {
  background: rgba(7,7,15,0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-color: var(--border);
}

.nav-inner {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.45rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.02em;
}
.logo span { color: var(--purple); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-link-portfolio {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  transition: color .2s;
}
.nav-link-portfolio:hover { color: #fff; }

/* ==============================
   HERO
============================== */
#hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 110px 24px 90px;
  position: relative;
  overflow: hidden;
}

/* noise texture */
.noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  animation: drift 10s ease-in-out infinite;
}
.b1 {
  width: 620px; height: 620px;
  background: radial-gradient(circle, rgba(139,92,246,0.3), transparent 65%);
  top: -180px; left: -160px;
}
.b2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(236,72,153,0.22), transparent 65%);
  bottom: -80px; right: -80px;
  animation-delay: -5s;
}
@keyframes drift {
  0%,100% { transform: translate(0,0); }
  40%      { transform: translate(28px,-22px); }
  70%      { transform: translate(-18px,16px); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-inner .eyebrow { margin-bottom: 20px; }

#hero h1 {
  font-size: clamp(2.8rem, 6.5vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.08;
  color: #fff;
  margin-bottom: 24px;
}
#hero h1 em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--muted);
  max-width: 540px;
  margin: 0 auto 36px;
  line-height: 1.75;
}

.hero-note {
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--muted);
  opacity: 0.7;
}

.scroll-cue {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.sc-line {
  width: 1px;
  height: 44px;
  background: linear-gradient(to bottom, var(--muted), transparent);
  animation: scPulse 2s ease-in-out infinite;
}
@keyframes scPulse {
  0%,100% { opacity: 0.3; }
  50%      { opacity: 0.8; }
}

/* ==============================
   SECTIONS SHARED
============================== */
section { padding: 96px 0; }

/* ==============================
   PROBLEMAS
============================== */
#problemas { background: var(--bg2); }

.prob-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.prob-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.prob-card:hover {
  transform: translateY(-5px);
  border-color: rgba(139,92,246,0.3);
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}
.prob-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 16px;
}
.prob-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.prob-card p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ==============================
   O QUE ENTREGO
============================== */
#entrego { background: var(--bg); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.feat {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 24px 26px;
  transition: border-color .3s, transform .3s;
}
.feat:hover { border-color: rgba(139,92,246,0.3); transform: translateY(-3px); }

.feat-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  background: rgba(139,92,246,0.12);
  border: 1px solid rgba(139,92,246,0.25);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--purple-lt);
}
.feat h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.feat p {
  font-size: 0.83rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ==============================
   SOLUÇÕES
============================== */
#solucoes { padding: 100px 0; }

.solucoes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.solucao-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.solucao-card:hover {
  border-color: rgba(139,92,246,0.4);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(139,92,246,0.1);
}

.solucao-icon {
  width: 48px; height: 48px;
  background: rgba(139,92,246,0.12);
  border: 1px solid rgba(139,92,246,0.2);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--purple-lt);
  margin-bottom: 20px;
}

.solucao-card h3 {
  font-size: 1.1rem; font-weight: 700;
  color: #fff; margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.solucao-para, .solucao-resultado {
  font-size: 0.85rem; color: var(--muted);
  line-height: 1.6; margin-bottom: 16px;
}
.solucao-para:last-child, .solucao-resultado:last-child { margin-bottom: 0; }

.solucao-para span, .solucao-resultado span {
  display: block;
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--purple-lt);
  margin-bottom: 4px;
}

@media (max-width: 768px) {
  .solucoes-grid { grid-template-columns: 1fr; }
}

/* ==============================
   COMO FUNCIONA
============================== */
#como-funciona { background: var(--bg2); }

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 680px;
  margin: 0 auto;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 28px 0;
}

.step-num {
  flex-shrink: 0;
  width: 52px; height: 52px;
  background: var(--grad);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.05em;
  box-shadow: 0 0 20px rgba(139,92,246,0.4);
}

.step-body h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.step-body p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.7;
}

.step-connector {
  width: 1px;
  height: 28px;
  background: linear-gradient(to bottom, rgba(139,92,246,0.5), rgba(139,92,246,0.1));
  margin-left: 25px;
}

/* ==============================
   CTA / DIAGNÓSTICO
============================== */
#diagnostico { background: var(--bg); }

.cta-box {
  position: relative;
  text-align: center;
  background: var(--surface);
  border: 1px solid rgba(139,92,246,0.3);
  border-radius: 28px;
  padding: 80px 40px;
  overflow: hidden;
}
.cta-glow {
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(139,92,246,0.15), transparent 65%);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  pointer-events: none;
}
/* top accent line */
.cta-box::before {
  content: '';
  position: absolute;
  top: 0; left: 15%; right: 15%;
  height: 1px;
  background: var(--grad);
}

.cta-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
}

.cta-desc {
  font-size: 1rem;
  color: var(--muted);
  max-width: 500px;
  margin: 0 auto 36px;
  line-height: 1.75;
  position: relative;
}

.cta-note {
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--muted);
  opacity: 0.6;
  position: relative;
}

/* ==============================
   FOOTER
============================== */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
footer p { font-size: 0.82rem; color: var(--muted); }

/* ==============================
   WHATSAPP FLOAT
============================== */
.wpp-float {
  position: fixed;
  bottom: 26px; right: 26px;
  width: 58px; height: 58px;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 22px rgba(34,197,94,0.5);
  z-index: 999;
  transition: transform .2s, box-shadow .2s;
}
.wpp-float:hover { transform: scale(1.1); box-shadow: 0 8px 32px rgba(34,197,94,0.65); }
.wpp-float::before {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 2px solid rgba(34,197,94,0.35);
  animation: ripple 2.2s ease-out infinite;
}
@keyframes ripple {
  0%   { transform: scale(1); opacity: .6; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* ==============================
   REVEAL ANIMATION
============================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .55s ease, transform .55s ease;
}
[data-reveal].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==============================
   RESPONSIVE
============================== */
@media (max-width: 640px) {
  section { padding: 64px 0; }

  .prob-grid,
  .features-grid { grid-template-columns: 1fr; }

  .cta-box { padding: 40px 20px; border-radius: 20px; }
  .cta-title { font-size: 1.7rem; }
  .cta-desc { font-size: 0.92rem; }
  .btn-wpp { width: 100%; justify-content: center; padding: 16px 20px; font-size: 1rem; }
  .cta-note { font-size: 0.75rem; }

  .footer-inner { flex-direction: column; text-align: center; }
}