/* ==========================================================================
   BusqueAI — styles.css
   Estilo: Retrô/Vintage · Laranja energia + paleta quente
   Mobile-first
   ========================================================================== */

/* ----------  TOKENS  ---------- */
:root {
  /* Surfaces */
  --bg:            #f5f5f5;
  --paper:         #faf4e6;
  --cream:         #ede0c4;
  --cream-deep:    #e0d0ac;

  /* Brand */
  --orange:        #ea580c;
  --orange-deep:   #c2410c;
  --orange-soft:   #fb923c;

  /* Warm accents */
  --brown:         #2a1a0f;
  --brown-mid:     #4a2f1e;
  --brown-soft:    #6b4e37;
  --gold:          #a87820;
  --moss:          #4a5d23;

  /* Text */
  --ink:           #1a110a;
  --ink-soft:      #5c4a3a;
  --ink-on-dark:   #f4e9d4;
  --ink-muted:     #8b7355;

  /* Type */
  --serif:         'Fraunces', 'Times New Roman', Georgia, serif;
  --sans:          'DM Sans', 'Helvetica Neue', sans-serif;
  --mono:          'JetBrains Mono', 'Courier New', monospace;

  /* Layout */
  --radius-sm:     4px;
  --radius:        12px;
  --radius-lg:     24px;
  --nav-h:         64px;
  --container:     1200px;

  /* Motion */
  --ease:          cubic-bezier(.2, .7, .2, 1);
  --ease-out-long: cubic-bezier(.16, 1, .3, 1);
}

/* ----------  RESET  ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; height: auto; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
input, textarea { font: inherit; color: inherit; }

h1, h2, h3, h4 { margin: 0; font-family: var(--serif); font-weight: 700; line-height: 1.1; }
p { margin: 0; }

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ----------  GRAIN TEXTURE  ---------- */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: .09;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .6 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ----------  CONTAINER  ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   NAVBAR
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(250, 244, 230, .92);
  backdrop-filter: blur(10px) saturate(120%);
  -webkit-backdrop-filter: blur(10px) saturate(120%);
  border-bottom: 1px solid rgba(42, 26, 15, .1);
  transition: box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(42, 26, 15, .06);
  border-bottom-color: rgba(42, 26, 15, .18);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

/* logo */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-weight: 900;
  font-size: 22px;
  color: var(--ink);
  letter-spacing: -.02em;
  transition: transform .3s var(--ease);
}
.logo:hover { transform: rotate(-2deg); }
.logo-mark {
  width: 32px; height: 32px;
  color: var(--orange);
  display: grid;
  place-items: center;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  box-shadow: 2px 2px 0 var(--ink);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.logo:hover .logo-mark {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--orange);
}
.logo-mark svg { width: 20px; height: 20px; }
.logo-word em {
  font-style: italic;
  font-weight: 900;
  color: var(--orange);
}

/* desktop links */
.nav-links { display: none; }
.nav-links a {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .02em;
  padding: 8px 12px;
  border-radius: 6px;
  position: relative;
  transition: color .25s var(--ease);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 12px; right: 12px;
  bottom: 4px;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav-links a:hover { color: var(--orange); }
.nav-links a:hover::after { transform: scaleX(1); }

/* nav CTA */
.nav-cta {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--orange);
  color: #fff;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  border-radius: 999px;
  border: 1.5px solid var(--ink);
  box-shadow: 2px 2px 0 var(--ink);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.nav-cta:hover {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--ink);
}
.nav-cta:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--ink);
}

/* burger */
.nav-burger {
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  border: 1.5px solid var(--ink);
  background: var(--paper);
}
.nav-burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  margin: 2px 0;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* mobile menu */
.mobile-menu {
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--paper);
  border-bottom: 1px solid var(--ink);
  padding: 24px 20px 32px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transform: translateY(-120%);
  transition: transform .4s var(--ease);
  z-index: 99;
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu a {
  padding: 14px 8px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  border-bottom: 1px dashed rgba(42, 26, 15, .2);
}
.mobile-menu a:last-child { border: 0; }
.mobile-cta {
  margin-top: 12px;
  padding: 14px 18px !important;
  background: var(--orange);
  color: #fff;
  border-radius: 999px;
  text-align: center;
  border: 1.5px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  font-size: 16px !important;
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 48px) 0 64px;
  background: var(--paper);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 15% 0%, rgba(234, 88, 12, .08), transparent 50%),
    radial-gradient(ellipse at 90% 30%, rgba(168, 120, 32, .08), transparent 55%);
  pointer-events: none;
}
.hero-bg {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 50%;
  color: var(--orange);
  pointer-events: none;
  opacity: .5;
}
.hero-curls {
  width: 100%;
  height: 100%;
}

.hero-grid {
  position: relative;
  display: grid;
  gap: 48px;
  align-items: center;
}

/* eyebrow */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--brown-soft);
  padding: 6px 14px;
  background: rgba(234, 88, 12, .1);
  border: 1px solid rgba(234, 88, 12, .25);
  border-radius: 999px;
  margin-bottom: 20px;
}
.eyebrow-dark { color: var(--brown); background: rgba(42, 26, 15, .06); border-color: rgba(42, 26, 15, .18); }
.eyebrow-light { color: var(--paper); background: rgba(244, 233, 212, .1); border-color: rgba(244, 233, 212, .25); }
.eyebrow-dot {
  width: 6px; height: 6px;
  background: var(--orange);
  border-radius: 50%;
  animation: pulse 2s var(--ease) infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .5; transform: scale(1.3); }
}

/* hero title */
.hero-title {
  font-family: var(--serif);
  font-size: clamp(42px, 9vw, 92px);
  font-weight: 900;
  line-height: .92;
  letter-spacing: -.03em;
  margin-bottom: 24px;
  color: var(--ink);
}
.hero-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--orange);
  position: relative;
  /* Fraunces variable axis */
  font-variation-settings: 'SOFT' 100, 'WONK' 1;
}
.hero-sub {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 520px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 24px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .02em;
  border-radius: 999px;
  border: 1.5px solid var(--ink);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
  min-height: 48px;
}
.btn-primary {
  background: var(--orange);
  color: #fff;
  box-shadow: 4px 4px 0 var(--ink);
}
.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
  background: var(--orange-deep);
}
.btn-primary:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--ink);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
}
.btn-ghost:hover {
  background: var(--cream);
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--ink);
}
.btn-large {
  padding: 20px 36px;
  font-size: 16px;
}
.btn-full { width: 100%; justify-content: center; }

/* hero meta */
.hero-meta {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  padding: 14px 22px;
  background: var(--cream);
  border: 1px solid rgba(42, 26, 15, .15);
  border-radius: 12px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--brown);
}
.meta-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.meta-num {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 900;
  color: var(--orange);
  line-height: 1;
}
.meta-label {
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--brown-soft);
}
.meta-dot {
  color: var(--brown-soft);
  opacity: .5;
}

/* ==========================================================================
   HERO VISUAL (chat + stamp)
   ========================================================================== */
.hero-visual {
  position: relative;
  padding: 20px 0;
}

/* selo rotativo */
.stamp {
  position: absolute;
  top: -10px;
  right: -5px;
  width: 110px;
  height: 110px;
  color: var(--brown);
  z-index: 3;
  animation: spin 18s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.stamp svg {
  width: 100%; height: 100%;
}
.stamp-text {
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: .14em;
  fill: var(--brown);
  text-transform: uppercase;
}
.stamp-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 52px; height: 52px;
  background: var(--orange);
  border: 2px solid var(--brown);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 22px;
  animation: spin-reverse 18s linear infinite;
}
@keyframes spin-reverse {
  to { transform: translate(-50%, -50%) rotate(-360deg); }
}

/* Chat frame */
.chat {
  position: relative;
  max-width: 420px;
  margin: 0 auto;
}
.chat-frame {
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: 20px;
  overflow: hidden;
  box-shadow:
    8px 8px 0 var(--orange),
    8px 8px 0 2px var(--ink);
  transform: rotate(-1.5deg);
  transition: transform .5s var(--ease-out-long);
}
.chat-frame:hover {
  transform: rotate(0deg) scale(1.01);
}
.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--brown);
  color: var(--paper);
  border-bottom: 2px solid var(--ink);
}
.chat-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--orange);
  color: #fff;
  display: grid;
  place-items: center;
  border: 2px solid var(--paper);
}
.chat-avatar svg { width: 20px; height: 20px; }
.chat-identity { flex: 1; }
.chat-name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.2;
}
.chat-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  opacity: .8;
}
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #63e3a8;
  box-shadow: 0 0 8px rgba(99, 227, 168, .6);
  animation: pulse 2s var(--ease) infinite;
}
.chat-actions {
  opacity: .6;
  font-size: 18px;
  letter-spacing: 2px;
}

.chat-body {
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background:
    linear-gradient(var(--paper), var(--paper)),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 40'><circle cx='4' cy='4' r='1' fill='%232a1a0f' opacity='.1'/></svg>");
  background-size: auto, 40px 40px;
  min-height: 380px;
}

.msg {
  display: flex;
  flex-direction: column;
  max-width: 85%;
  animation: msg-in .5s var(--ease-out-long) both;
}
.msg-user {
  align-self: flex-end;
  align-items: flex-end;
}
.msg-ai {
  align-self: flex-start;
  align-items: flex-start;
}
@keyframes msg-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.msg:nth-child(1) { animation-delay: .3s; }
.msg:nth-child(2) { animation-delay: .6s; }
.msg:nth-child(3) { animation-delay: 1.2s; }

.bubble {
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.45;
  background: #dcf8c6;
  color: var(--ink);
  border-bottom-right-radius: 4px;
  max-width: 100%;
  word-wrap: break-word;
}
.msg-ai .bubble {
  background: var(--cream);
  border-bottom-right-radius: 16px;
  border-bottom-left-radius: 4px;
  border: 1px solid rgba(42, 26, 15, .1);
}

.audio-bubble {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: #dcf8c6;
  border-radius: 16px;
  border-bottom-right-radius: 4px;
  color: var(--moss);
}
.audio-play {
  width: 32px; height: 32px;
  background: var(--moss);
  color: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  padding-left: 2px;
}
.wave {
  width: 140px;
  height: 26px;
  color: var(--moss);
}
.wave rect {
  animation: wave 1.2s ease-in-out infinite;
  transform-origin: center;
}
.wave rect:nth-child(odd) { animation-delay: .1s; }
.wave rect:nth-child(3n) { animation-delay: .2s; }
@keyframes wave {
  0%, 100% { transform: scaleY(1); opacity: .6; }
  50%      { transform: scaleY(1.3); opacity: 1; }
}
.audio-time {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--brown-soft);
}
.msg-time {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-muted);
  margin-top: 4px;
  padding: 0 6px;
}

.bubble-ai { padding: 14px; }
.ai-intro {
  font-family: var(--serif);
  font-size: 14px;
  margin-bottom: 10px;
  color: var(--brown);
}
.biz-card {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px;
  background: var(--paper);
  border: 1px dashed var(--brown-soft);
  border-radius: 12px;
  margin-bottom: 10px;
}
.biz-emoji {
  font-size: 28px;
  width: 44px; height: 44px;
  background: var(--cream-deep);
  border-radius: 10px;
  display: grid;
  place-items: center;
}
.biz-name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
}
.biz-meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-muted);
}
.biz-meta span { opacity: .5; margin: 0 2px; }
.biz-btn {
  display: inline-block;
  width: 100%;
  text-align: center;
  padding: 9px;
  background: var(--orange);
  color: #fff;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  border-radius: 8px;
  transition: background .2s;
}
.biz-btn:hover { background: var(--orange-deep); }

.chat-shadow {
  position: absolute;
  inset: auto 0 -16px;
  height: 30px;
  background: radial-gradient(ellipse, rgba(42, 26, 15, .2), transparent 70%);
  filter: blur(8px);
  z-index: -1;
}

/* ==========================================================================
   MARQUEE
   ========================================================================== */
.marquee {
  background: var(--brown);
  color: var(--paper);
  padding: 24px 0;
  overflow: hidden;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  position: relative;
}
.marquee::before, .marquee::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}
.marquee::before { left: 0; background: linear-gradient(to right, var(--brown), transparent); }
.marquee::after  { right: 0; background: linear-gradient(to left,  var(--brown), transparent); }
.marquee-track {
  display: flex;
  align-items: center;
  gap: 32px;
  width: max-content;
  animation: slide 45s linear infinite;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 900;
  font-style: italic;
  letter-spacing: -.01em;
}
.marquee-track em {
  color: var(--orange);
  font-style: normal;
  font-size: 18px;
  opacity: .8;
}
@keyframes slide {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ==========================================================================
   SOBRE
   ========================================================================== */
.sobre {
  padding: 96px 0;
  background: var(--bg);
  position: relative;
}

/* section header */
.section-header {
  display: grid;
  gap: 20px;
  margin-bottom: 56px;
  max-width: 900px;
}
.section-header-center {
  text-align: center;
  justify-items: center;
  margin-left: auto;
  margin-right: auto;
}
.section-num {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--orange);
}
.section-num-light {
  color: var(--orange-soft);
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(34px, 6vw, 60px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.025em;
  color: var(--ink);
}
.section-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--orange);
  font-variation-settings: 'SOFT' 100, 'WONK' 1;
}
.section-title-light {
  color: var(--paper);
}

.sobre-grid {
  display: grid;
  gap: 40px;
  align-items: start;
}
.sobre-text p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin-bottom: 20px;
}
.sobre-text p:last-child { margin-bottom: 0; }
.sobre-text strong {
  color: var(--orange-deep);
  font-weight: 700;
  font-family: var(--serif);
  font-size: 1.05em;
}

/* ticket card (vintage) */
.card-ticket {
  position: relative;
  padding: 36px 28px 28px;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 var(--orange);
  transform: rotate(1deg);
  transition: transform .5s var(--ease);
}
.card-ticket::before, .card-ticket::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 20px; height: 20px;
  background: var(--bg);
  border: 2px solid var(--ink);
  border-radius: 50%;
  transform: translateY(-50%);
}
.card-ticket::before { left: -12px; }
.card-ticket::after  { right: -12px; }
.card-ticket:hover { transform: rotate(-1deg); }

.ticket-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px dashed var(--brown-soft);
}
.ticket-stars {
  color: var(--orange);
  font-size: 14px;
  letter-spacing: 4px;
}
.ticket-title {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--brown-soft);
}
.card-ticket blockquote {
  margin: 0;
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.4;
  font-weight: 400;
  font-style: italic;
  color: var(--ink);
}
.card-ticket blockquote em {
  color: var(--orange);
  font-style: italic;
  font-weight: 700;
  font-variation-settings: 'SOFT' 100;
}
.ticket-sign {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px dashed var(--brown-soft);
}
.ticket-sign-line {
  height: 14px;
  margin-bottom: 6px;
  background-image:
    linear-gradient(to right, var(--brown) 40%, transparent 40%);
  background-size: 6px 2px;
  background-repeat: repeat-x;
  background-position: 0 50%;
  opacity: .4;
}
.ticket-sign-name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
}
.ticket-sign-role {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--brown-soft);
}

.ornament {
  margin: 56px auto 0;
  max-width: 300px;
  color: var(--brown-soft);
  opacity: .6;
}

/* ==========================================================================
   COMO FUNCIONA
   ========================================================================== */
.como {
  position: relative;
  padding: 96px 0;
  background: var(--brown);
  color: var(--paper);
  overflow: hidden;
}
.como::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(234, 88, 12, .12), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(168, 120, 32, .08), transparent 40%);
  pointer-events: none;
}
.como .container { position: relative; }

.steps {
  display: grid;
  gap: 20px;
}
.step {
  position: relative;
  padding: 32px 28px;
  background: rgba(244, 233, 212, .05);
  border: 1.5px solid rgba(244, 233, 212, .18);
  border-radius: var(--radius);
  transition: transform .4s var(--ease), background .4s var(--ease), border-color .4s var(--ease);
}
.step:hover {
  transform: translateY(-4px);
  background: rgba(244, 233, 212, .09);
  border-color: var(--orange);
}
.step-num {
  font-family: var(--serif);
  font-size: 64px;
  font-weight: 900;
  font-style: italic;
  line-height: 1;
  color: var(--orange);
  margin-bottom: 12px;
  font-variation-settings: 'SOFT' 100, 'WONK' 1;
}
.step-emoji {
  font-size: 36px;
  margin-bottom: 16px;
  display: inline-block;
  transition: transform .3s var(--ease);
}
.step:hover .step-emoji { transform: scale(1.15) rotate(-8deg); }
.step-title {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 10px;
  color: var(--paper);
}
.step-desc {
  font-size: 15px;
  line-height: 1.55;
  color: rgba(244, 233, 212, .75);
}

/* ==========================================================================
   PARTICIPAR (benefits)
   ========================================================================== */
.participar {
  padding: 96px 0;
  background: var(--cream);
  position: relative;
  border-top: 1px solid rgba(42, 26, 15, .1);
  border-bottom: 1px solid rgba(42, 26, 15, .1);
}

.benefits {
  display: grid;
  gap: 20px;
}
.benefit {
  position: relative;
  padding: 32px 28px;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.benefit:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--orange);
}
.benefit-highlight {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  box-shadow: 4px 4px 0 var(--orange);
}
.benefit-highlight:hover { box-shadow: 6px 6px 0 var(--orange-soft); }

.benefit-badge {
  position: absolute;
  top: -12px; right: 20px;
  background: var(--orange);
  color: #fff;
  padding: 4px 12px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 1.5px solid var(--ink);
  box-shadow: 2px 2px 0 var(--ink);
}

.benefit-emoji {
  font-size: 36px;
  margin-bottom: 16px;
  display: inline-block;
  transition: transform .3s var(--ease);
}
.benefit:hover .benefit-emoji { transform: scale(1.15) rotate(-6deg); }
.benefit-title {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 10px;
}
.benefit-highlight .benefit-title { color: var(--paper); }
.benefit-desc {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.benefit-highlight .benefit-desc { color: rgba(244, 233, 212, .8); }

/* ==========================================================================
   CONTATO (form)
   ========================================================================== */
.contato {
  padding: 96px 0;
  background: var(--ink);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}
.contato::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 100%, rgba(234, 88, 12, .18), transparent 50%),
    radial-gradient(ellipse at 80% 0%, rgba(168, 120, 32, .08), transparent 55%);
  pointer-events: none;
}

.contato-grid {
  position: relative;
  display: grid;
  gap: 48px;
  align-items: start;
}

.contato-title {
  font-family: var(--serif);
  font-size: clamp(32px, 6vw, 54px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.025em;
  margin: 16px 0 20px;
  color: var(--paper);
}
.contato-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--orange);
  font-variation-settings: 'SOFT' 100, 'WONK' 1;
}
.contato-sub {
  font-size: 17px;
  line-height: 1.6;
  color: rgba(244, 233, 212, .75);
  margin-bottom: 32px;
  max-width: 460px;
}

.contato-direct {
  padding: 20px 24px;
  background: rgba(244, 233, 212, .05);
  border: 1px dashed rgba(244, 233, 212, .3);
  border-radius: var(--radius);
}
.direct-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(244, 233, 212, .6);
  margin-bottom: 4px;
}
.direct-number {
  display: inline-block;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--orange);
  transition: transform .2s var(--ease);
}
.direct-number:hover {
  transform: translateX(4px);
  color: var(--orange-soft);
}

/* form */
.contato-form {
  background: var(--paper);
  border-radius: var(--radius);
  border: 2px solid var(--ink);
  box-shadow: 8px 8px 0 var(--orange);
  color: var(--ink);
  overflow: hidden;
}
.form-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  background: var(--cream-deep);
  border-bottom: 2px solid var(--ink);
}
.form-header-dots {
  display: flex;
  gap: 6px;
}
.form-header-dots span {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--ink);
  opacity: .4;
}
.form-header-dots span:first-child { background: var(--orange); opacity: 1; }
.form-header-title {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--brown-soft);
  letter-spacing: .05em;
}

.form-body {
  padding: 28px 24px;
  display: grid;
  gap: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--brown-soft);
}
.field input,
.field textarea {
  padding: 12px 14px;
  background: var(--bg);
  border: 1.5px solid var(--ink);
  border-radius: 8px;
  font-family: var(--sans);
  font-size: 15px;
  color: var(--ink);
  transition: border-color .2s, box-shadow .2s, background .2s;
  min-height: 44px;
}
.field textarea {
  resize: vertical;
  min-height: 80px;
  font-family: var(--sans);
}
.field input::placeholder,
.field textarea::placeholder {
  color: var(--ink-muted);
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--orange);
  background: var(--paper);
  box-shadow: 0 0 0 3px rgba(234, 88, 12, .18);
}
.field input:invalid:not(:placeholder-shown),
.field textarea:invalid:not(:placeholder-shown) {
  border-color: #c94318;
}

.form-note {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--brown-soft);
  text-align: center;
  line-height: 1.5;
  margin-top: 4px;
}

/* ==========================================================================
   CTA FINAL
   ========================================================================== */
.cta-final {
  padding: 96px 0;
  background: var(--orange);
  color: var(--ink);
  text-align: center;
  position: relative;
  overflow: hidden;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}
.cta-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, transparent 0 20px, rgba(42, 26, 15, .04) 20px 21px);
}
.cta-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}
.cta-stars {
  font-size: 20px;
  letter-spacing: 12px;
  color: var(--brown);
  opacity: .5;
}
.cta-text {
  font-family: var(--serif);
  font-size: clamp(30px, 5.5vw, 52px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--brown);
  max-width: 700px;
}
.cta-text em {
  font-style: italic;
  font-weight: 400;
  color: var(--paper);
  -webkit-text-stroke: 1.5px var(--brown);
  font-variation-settings: 'SOFT' 100, 'WONK' 1;
}
.cta-final .btn-primary {
  background: var(--brown);
  color: var(--paper);
  box-shadow: 5px 5px 0 var(--ink);
  border-color: var(--ink);
}
.cta-final .btn-primary:hover {
  background: var(--ink);
  box-shadow: 7px 7px 0 var(--ink);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: var(--ink);
  color: var(--ink-on-dark);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  gap: 40px;
  padding-bottom: 56px;
}
.logo-footer { color: var(--paper); font-size: 24px; }
.logo-footer .logo-mark {
  background: var(--brown);
  border-color: var(--paper);
  box-shadow: 2px 2px 0 var(--orange);
}
.footer-desc {
  margin-top: 16px;
  color: rgba(244, 233, 212, .65);
  line-height: 1.6;
  max-width: 320px;
}
.footer-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  color: rgba(244, 233, 212, .75);
  font-size: 14px;
  transition: color .2s, transform .2s;
  display: inline-block;
}
.footer-col a:hover {
  color: var(--orange-soft);
  transform: translateX(4px);
}
.footer-col li { font-size: 14px; color: rgba(244, 233, 212, .65); }

.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid rgba(244, 233, 212, .1);
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(244, 233, 212, .5);
}
.footer-tag {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ==========================================================================
   REVEAL ANIMATIONS
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1s var(--ease-out-long), transform 1s var(--ease-out-long);
  will-change: opacity, transform;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ==========================================================================
   RESPONSIVE — TABLET (768px+)
   ========================================================================== */
@media (min-width: 768px) {
  .container { padding: 0 32px; }
  .nav-inner { padding: 0 32px; }

  .hero { padding: calc(var(--nav-h) + 80px) 0 96px; }
  .hero-sub { font-size: 19px; }

  .stamp { top: -20px; right: 10px; width: 140px; height: 140px; }
  .stamp-core { width: 68px; height: 68px; font-size: 28px; }
  .stamp-text { font-size: 10px; }

  .chat { max-width: 460px; }

  .sobre { padding: 120px 0; }
  .sobre-grid {
    grid-template-columns: 1.3fr 1fr;
    gap: 56px;
  }

  .como { padding: 120px 0; }
  .steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .participar { padding: 120px 0; }
  .benefits {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .contato { padding: 120px 0; }
  .contato-grid {
    grid-template-columns: 1fr 1.1fr;
    gap: 64px;
  }

  .form-body {
    grid-template-columns: 1fr 1fr;
    gap: 18px 20px;
    padding: 36px 32px;
  }
  .field-full { grid-column: 1 / -1; }
  .btn-full { grid-column: 1 / -1; }
  .form-note { grid-column: 1 / -1; }

  .footer-grid {
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
  }

  .cta-final { padding: 120px 0; }

  .section-header {
    grid-template-columns: auto 1fr;
    align-items: start;
    gap: 32px;
  }
  .section-header-center { grid-template-columns: 1fr; }
  .section-num { padding-top: 14px; }
}

/* ==========================================================================
   RESPONSIVE — DESKTOP (1024px+)
   ========================================================================== */
@media (min-width: 1024px) {
  .nav-burger { display: none; }
  .nav-links { display: flex; align-items: center; gap: 4px; }
  .nav-cta { display: inline-flex; }

  .hero-grid {
    grid-template-columns: 1.1fr 1fr;
    gap: 64px;
  }

  .steps {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .stamp { top: -30px; right: 20px; width: 160px; height: 160px; }
  .stamp-core { width: 78px; height: 78px; font-size: 32px; }
}

/* ==========================================================================
   RESPONSIVE — LARGE (1280px+)
   ========================================================================== */
@media (min-width: 1280px) {
  .hero-title { font-size: 104px; }
}
