/* ==========================================================================
   ByteC — Landing Page Parte Diária
   Design Language: Space Grotesk + DM Mono
   Palette: Ink (#11100f), Paper (#f1eee7), Signal Orange (#ff4d00), Lime (#d7f458)
   ========================================================================== */

:root {
  --ink: #11100f;
  --paper: #f1eee7;
  --signal: #ff4d00;
  --lime: #d7f458;
  --line: rgba(241, 238, 231, 0.18);
  --muted: #aaa69f;
  --card-bg: #201f1d;
  --sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'DM Mono', monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

.shell {
  width: min(1180px, calc(100% - 48px));
  margin: auto;
}

/* ---------------- HEADER ---------------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(17, 16, 15, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  transition: background 0.3s, border-color 0.3s;
}

.header-inner {
  width: min(1180px, calc(100% - 48px));
  margin: auto;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -1.4px;
}

.brand b {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--signal);
  color: var(--ink);
  font: 600 13.5px/1 var(--mono);
  letter-spacing: -1.2px;
  text-indent: -1px;
}

.brand-product {
  padding-left: 16px;
  border-left: 1px solid var(--line);
  font: 500 11px var(--mono);
  letter-spacing: 0.1em;
  color: var(--lime);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.back {
  color: var(--paper);
  font: 12px var(--mono);
  text-decoration: none;
  transition: color 0.2s;
}

.back:hover {
  color: var(--lime);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(241, 238, 231, 0.25);
  background: rgba(255, 255, 255, 0.06);
  color: var(--paper);
  cursor: pointer;
  padding: 0;
  transition: all 0.25s ease;
  outline: none;
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
  transform: rotate(20deg) scale(1.06);
}

.theme-toggle .icon-sun {
  display: block;
}

.theme-toggle .icon-moon {
  display: none;
}

/* ---------------- HERO ---------------- */
.hero {
  min-height: 680px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 60px;
  padding: 70px 0 80px;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--lime);
  font: 12px var(--mono);
  letter-spacing: 0.06em;
}

.hero h1,
.problem h2,
.platform h2,
.conversion h2 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(52px, 6.8vw, 98px);
  line-height: 0.88;
  letter-spacing: -0.08em;
}

.hero em,
.problem em,
.conversion em {
  color: var(--signal);
  font-style: normal;
}

.platform em {
  color: #187e6b;
  font-style: normal;
}

.intro {
  max-width: 480px;
  margin: 32px 0 28px;
  font-size: 18px;
  line-height: 1.45;
  color: #ddd9d1;
}

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 15px 22px;
  background: var(--signal);
  border: 1px solid var(--signal);
  color: var(--ink);
  font: 600 14px var(--sans);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s, background 0.25s, border-color 0.25s, color 0.25s;
}

.button:hover {
  transform: translate(-3px, -3px);
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.button span {
  font-size: 18px;
  line-height: 0;
}

.button-outline {
  background: transparent;
  border-color: var(--line);
  color: var(--paper);
}

.button-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--paper);
  color: var(--paper);
}

.button-light {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.button-light:hover {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
}

.micro {
  margin-top: 18px;
  color: var(--muted);
  font: 11px var(--mono);
}

.hero-visual {
  position: relative;
  height: 500px;
  overflow: hidden;
  background: #242321;
  border: 1px solid var(--line);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

.hero-visual > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.15);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(17, 16, 15, 0.55), transparent 58%),
              linear-gradient(0deg, rgba(17, 16, 15, 0.42), transparent 55%);
}

.data-card {
  position: absolute;
  display: flex;
  flex-direction: column;
  padding: 16px 18px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 12px 12px 0 rgba(255, 77, 0, 0.45);
  z-index: 2;
}

.data-card span,
.data-card small {
  font: 10px var(--mono);
}

.data-card strong {
  font-size: 32px;
  letter-spacing: -0.06em;
  line-height: 0.92;
  margin: 8px 0 4px;
}

.card-top {
  top: 25px;
  right: 0;
}

.card-bottom {
  bottom: 25px;
  left: 0;
  background: var(--lime);
}

/* ---------------- TICKER ---------------- */
.ticker {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
  background: rgba(255, 255, 255, 0.02);
}

.ticker-track {
  display: flex;
  width: max-content;
  align-items: center;
  gap: 35px;
  animation: marquee 18s linear infinite;
}

.ticker span {
  font: 13px var(--mono);
  letter-spacing: 0.15em;
}

.ticker b {
  color: var(--signal);
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* ---------------- PROBLEM ---------------- */
.problem {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  padding: 135px 0;
}

.problem h2,
.platform h2 {
  font-size: clamp(44px, 5.4vw, 78px);
}

.problem-intro {
  margin-top: 28px;
  font-size: 16px;
  line-height: 1.5;
  color: var(--muted);
  max-width: 440px;
}

.steps {
  border-top: 1px solid var(--line);
}

.steps article {
  display: grid;
  grid-template-columns: 56px 1fr;
  align-items: center;
  gap: 16px;
  min-height: 100px;
  border-bottom: 1px solid var(--line);
}

.steps b,
.proof > b {
  font: 13px var(--mono);
  color: var(--lime);
}

.steps p {
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.04em;
  margin: 0;
}

/* ---------------- PLATFORM ---------------- */
.platform {
  background: var(--paper);
  color: var(--ink);
  padding: 120px 0;
}

.platform .eyebrow {
  color: var(--signal);
}

.platform-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.screens {
  position: relative;
  height: 520px;
}

.screen-main {
  height: 100%;
  max-width: 84%;
  object-fit: contain;
  filter: drop-shadow(20px 20px 0 rgba(255, 77, 0, 0.35));
}

.screen-small {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 44%;
  border: 6px solid var(--paper);
  box-shadow: 12px 12px 0 #187e6b;
}

.platform-text {
  max-width: 460px;
  line-height: 1.55;
  margin: 24px 0 24px;
  font-size: 16px;
  color: #333;
}

.platform ul {
  padding: 0;
  margin: 0 0 32px;
  list-style: none;
}

.platform li {
  border-bottom: 1px solid rgba(17, 16, 15, 0.2);
  padding: 12px 0;
  font-size: 15px;
  display: flex;
  align-items: center;
}

.platform li:before {
  content: '✓';
  color: #187e6b;
  font-weight: 700;
  margin-right: 12px;
  font-size: 16px;
}

/* ---------------- PROOF ---------------- */
.proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 120px 0;
}

.proof article {
  min-height: 200px;
  padding: 0 28px;
  border-right: 1px solid var(--line);
}

.proof article:first-child {
  padding-left: 0;
}

.proof article:last-child {
  border: 0;
}

.proof h3 {
  font-size: 28px;
  letter-spacing: -0.06em;
  margin: 36px 0 10px;
}

.proof p {
  max-width: 260px;
  color: #bbb7b0;
  font-size: 14px;
  line-height: 1.45;
}

/* ---------------- CONVERSION / LEAD FORM ---------------- */
.conversion {
  background: var(--card-bg);
  border: 1px solid var(--line);
  padding: 70px 60px;
  margin-bottom: 100px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: start;
}

.conversion h2 {
  font-size: clamp(42px, 5vw, 68px);
}

.conversion-copy > p:not(.eyebrow) {
  max-width: 440px;
  line-height: 1.55;
  margin: 22px 0 30px;
  color: #c7c3bb;
  font-size: 16px;
}

.lead-highlights {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.lead-highlight-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font: 12px var(--mono);
  color: var(--lime);
}

.lead-highlight-item span {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(215, 244, 88, 0.15);
  font-weight: 700;
}

.lead-form-box {
  background: rgba(17, 16, 15, 0.85);
  border: 1px solid var(--line);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.35);
}

.lead-form-box form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.lead-form-box label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font: 12px var(--mono);
  color: var(--paper);
}

.lead-form-box input,
.lead-form-box textarea {
  width: 100%;
  border: 1px solid rgba(241, 238, 231, 0.22);
  background: rgba(255, 255, 255, 0.05);
  padding: 12px 14px;
  color: var(--paper);
  font-family: var(--sans);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}

.lead-form-box input:focus,
.lead-form-box textarea:focus {
  border-color: var(--signal);
  background: rgba(255, 255, 255, 0.09);
}

.form-status {
  font: 12px var(--mono);
  min-height: 18px;
  margin: 4px 0 0;
  text-align: center;
}

.crm-link-box {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font: 12px var(--mono);
  color: var(--muted);
}

.crm-link-box a {
  color: var(--lime);
  font-weight: 600;
  text-decoration: none;
}

.crm-link-box a:hover {
  text-decoration: underline;
}

/* ---------------- FOOTER ---------------- */
footer.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  color: var(--muted);
  font-size: 13px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  align-items: center;
}

.footer-links a {
  color: inherit;
  text-decoration: none;
  font: 12px var(--mono);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--lime);
}

/* ---------------- SCROLL TO TOP ---------------- */
.scroll-top-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(17, 16, 15, 0.92);
  color: var(--lime, #d7f458);
  border: 1px solid rgba(215, 244, 88, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.45);
  outline: none;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.scroll-top-btn:hover {
  background: var(--lime, #d7f458);
  color: var(--ink, #11100f);
  border-color: var(--lime, #d7f458);
  transform: translateY(-3px) scale(1.06);
  box-shadow: 0 6px 20px rgba(215, 244, 88, 0.35);
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* ---------------- LIGHT MODE ---------------- */
:root[data-theme="light"] {
  --ink: #faf8f5;
  --paper: #11100f;
  --signal: #ff4d00;
  --lime: #0d6e45;
  --line: rgba(17, 16, 15, 0.14);
  --muted: #5e5b56;
  --card-bg: #ffffff;
}

:root[data-theme="light"] body {
  background: #faf8f5;
  color: #11100f;
}

:root[data-theme="light"] header.site-header {
  background: rgba(250, 248, 245, 0.92);
  border-bottom-color: rgba(17, 16, 15, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

:root[data-theme="light"] .theme-toggle {
  background: rgba(17, 16, 15, 0.05);
  border-color: rgba(17, 16, 15, 0.15);
  color: #11100f;
}

:root[data-theme="light"] .theme-toggle:hover {
  background: #11100f;
  border-color: #11100f;
  color: #faf8f5;
}

:root[data-theme="light"] .theme-toggle .icon-sun {
  display: none;
}

:root[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

:root[data-theme="light"] .brand {
  color: #11100f;
}

:root[data-theme="light"] .brand b {
  background: var(--signal);
  color: #11100f;
}

:root[data-theme="light"] .back {
  color: #11100f;
}

:root[data-theme="light"] .back:hover {
  color: var(--signal);
}

:root[data-theme="light"] .brand-product {
  color: #0d6e45;
  border-left-color: rgba(17, 16, 15, 0.15);
}

:root[data-theme="light"] .eyebrow {
  color: #0d6e45;
}

:root[data-theme="light"] .intro {
  color: #3e3b36;
}

:root[data-theme="light"] .button-outline {
  color: #11100f;
  border-color: rgba(17, 16, 15, 0.25);
}

:root[data-theme="light"] .button-outline:hover {
  background: rgba(17, 16, 15, 0.06);
  border-color: #11100f;
}

:root[data-theme="light"] .conversion {
  background: #ffffff;
  border-color: rgba(17, 16, 15, 0.12);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

:root[data-theme="light"] .conversion-copy > p:not(.eyebrow) {
  color: #4a4741;
}

:root[data-theme="light"] .lead-form-box {
  background: #faf8f5;
  border-color: rgba(17, 16, 15, 0.12);
  box-shadow: none;
}

:root[data-theme="light"] .lead-form-box label {
  color: #11100f;
}

:root[data-theme="light"] .lead-form-box input,
:root[data-theme="light"] .lead-form-box textarea {
  border-color: rgba(17, 16, 15, 0.2);
  background: #ffffff;
  color: #11100f;
}

:root[data-theme="light"] .lead-form-box input:focus,
:root[data-theme="light"] .lead-form-box textarea:focus {
  border-color: var(--signal);
}

:root[data-theme="light"] .proof p {
  color: #555;
}

:root[data-theme="light"] .proof b {
  color: #0d6e45;
}

:root[data-theme="light"] .scroll-top-btn {
  background: rgba(255, 255, 255, 0.95);
  color: #11100f;
  border-color: rgba(17, 16, 15, 0.2);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.12);
}

:root[data-theme="light"] .scroll-top-btn:hover {
  background: #11100f;
  color: #faf8f5;
  border-color: #11100f;
}

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 760px) {
  .shell,
  .header-inner {
    width: min(100% - 36px, 1180px);
  }

  .header-inner {
    height: 75px;
  }

  .brand-product {
    display: none;
  }

  .back {
    font-size: 11px;
  }

  .hero,
  .problem,
  .platform-grid,
  .conversion {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero {
    padding-top: 40px;
    min-height: auto;
  }

  .hero h1 {
    font-size: 58px;
  }

  .hero-visual {
    height: 380px;
  }

  .problem {
    padding: 70px 0;
  }

  .platform {
    padding: 70px 0;
  }

  .screens {
    height: 420px;
  }

  .proof {
    grid-template-columns: 1fr;
    padding: 70px 0;
  }

  .proof article,
  .proof article:first-child {
    min-height: auto;
    padding: 24px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .proof article:last-child {
    border-bottom: 0;
  }

  .conversion {
    padding: 40px 24px;
    margin-bottom: 60px;
  }

  .lead-form-box {
    padding: 24px 18px;
  }

  footer.site-footer {
    padding: 30px 0;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}