:root {
  --orange: #ff6103;
  --blue: #0c99fc;
  --ink: #18212a;
  --muted: #5f6975;
  --line: #dbe1e8;
  --paper: #ffffff;
  --wash: #f4f7f8;
  --wash-strong: #eaf1f5;
  --soft-orange: #ffeadf;
  --soft-blue: #e6f5ff;
  --green: #118c61;
  --shadow: 0 18px 50px rgba(24, 33, 42, 0.08);
  --shadow-strong: 0 26px 70px rgba(24, 33, 42, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(255, 97, 3, 0.08) 0 18%, transparent 18% 100%),
    linear-gradient(315deg, rgba(12, 153, 252, 0.09) 0 20%, transparent 20% 100%),
    var(--wash);
  font-family: "Funnel Sans", Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.site-header,
main > section {
  padding: 46px 24px;
}

.site-header {
  position: relative;
  overflow: hidden;
  padding-top: 58px;
  padding-bottom: 54px;
  background:
    linear-gradient(110deg, #ffffff 0%, #ffffff 45%, #eef8ff 45%, #eef8ff 73%, #fff2eb 73%),
    #ffffff;
  border-bottom: 1px solid var(--line);
}

.site-header::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 42%;
  height: 10px;
  background: linear-gradient(90deg, var(--orange), var(--blue));
}

.site-header__inner,
main > section {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.site-header__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 430px);
  gap: 52px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Funnel Display", "Funnel Sans", Arial, Helvetica, sans-serif;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(2.7rem, 6vw, 5rem);
  line-height: 0.92;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  line-height: 1.05;
}

h3 {
  font-size: 1.05rem;
}

.intro {
  max-width: 680px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.brand-duo {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
}

.brand-card {
  display: grid;
  min-height: 186px;
  place-items: center;
  padding: 24px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(207, 216, 227, 0.9);
  border-radius: 8px;
  box-shadow: var(--shadow-strong);
}

.brand-card--reformas {
  border-top: 8px solid var(--orange);
}

.brand-card--instituto {
  border-top: 8px solid var(--blue);
}

.brand-card img {
  display: block;
  width: min(145px, 100%);
  max-height: 124px;
  object-fit: contain;
}

.section-heading {
  display: grid;
  gap: 4px;
  margin-bottom: 24px;
}

.instructions {
  padding-top: 34px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.steps li {
  position: relative;
  min-height: 126px;
  padding: 22px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(248, 252, 255, 0.96)),
    var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  counter-increment: steps;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  overflow: hidden;
}

.steps li::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(180deg, var(--orange), var(--blue));
}

.steps li::before {
  content: counter(steps, decimal-leading-zero);
  display: flex;
  width: 44px;
  height: 34px;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  background: var(--orange);
  border-radius: 999px;
  font-family: "Funnel Display", "Funnel Sans", Arial, Helvetica, sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1;
  box-shadow: 0 10px 18px rgba(255, 97, 3, 0.18);
}

.steps li > span {
  display: block;
  max-width: 54ch;
  color: var(--ink);
  font-size: 1.04rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
  padding-top: 2px;
}

.steps strong {
  font-weight: 800;
  overflow-wrap: anywhere;
}

.example-grid,
.generator-layout,
.help-layout {
  display: grid;
  gap: 18px;
}

.example-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.example-panel,
.signature-form,
.preview-panel,
.contact-panel,
.video-placeholder {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.example-panel {
  position: relative;
  overflow: hidden;
  padding: 20px;
}

.example-panel::before,
.signature-form::before,
.preview-panel::before {
  content: "";
  display: block;
  height: 5px;
  margin: -20px -20px 18px;
  background: linear-gradient(90deg, var(--orange), var(--blue));
}

.example-panel__top,
.preview-panel__top {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.ghost-button,
.copy-button,
.contact-button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.ghost-button {
  padding: 0 14px;
  color: var(--ink);
  background: #eef3f6;
}

.copy-button,
.contact-button {
  padding: 0 18px;
  color: #ffffff;
  background: var(--ink);
  box-shadow: 0 10px 22px rgba(24, 33, 42, 0.18);
}

.contact-button--whatsapp {
  background: var(--green);
}

.ghost-button:hover,
.copy-button:hover,
.contact-button:hover {
  transform: translateY(-1px);
}

.signature-box {
  min-height: 178px;
  overflow: auto;
  padding: 22px;
  background:
    linear-gradient(90deg, rgba(255, 97, 3, 0.06), rgba(12, 153, 252, 0.06)),
    #ffffff;
  border: 1px dashed #c7d2dd;
  border-radius: 8px;
}

.signature-box--live {
  min-height: 220px;
}

.generator-layout {
  grid-template-columns: minmax(0, 0.95fr) minmax(380px, 1.05fr);
  align-items: start;
}

.signature-form,
.preview-panel,
.contact-panel {
  position: relative;
  overflow: hidden;
  padding: 24px;
}

.signature-form::before,
.preview-panel::before {
  margin: -24px -24px 22px;
}

fieldset {
  margin: 0 0 18px;
  padding: 0;
  border: 0;
}

legend {
  margin-bottom: 10px;
  font-weight: 700;
}

.segmented-control {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 6px;
  background: var(--wash-strong);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.segmented-control label {
  cursor: pointer;
}

.segmented-control input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
}

.segmented-control span {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border-radius: 6px;
  color: var(--muted);
  font-weight: 700;
}

.segmented-control input:checked + span {
  color: var(--ink);
  background: var(--paper);
  box-shadow: 0 6px 16px rgba(24, 33, 42, 0.08);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field-grid + .field-grid,
.toggle-row + .field-grid {
  margin-top: 14px;
}

label {
  display: grid;
  gap: 7px;
}

label > span,
.check-field span {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"] {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  color: var(--ink);
  background: #fbfdfe;
  border: 1px solid #cfd8e3;
  border-radius: 8px;
  outline: none;
}

input::placeholder {
  color: #9aa6b2;
}

input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(12, 153, 252, 0.16);
}

.wide {
  grid-column: 1 / -1;
}

.toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.check-field {
  display: inline-flex;
  min-height: 44px;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  background: #fbfdfe;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.check-field input {
  width: 18px;
  height: 18px;
  accent-color: var(--blue);
}

.is-hidden {
  display: none;
}

.copy-status {
  min-height: 24px;
  margin: 14px 0 0;
  color: var(--muted);
  font-weight: 700;
}

.fixed-note {
  margin: 16px 0 0;
  padding: 12px 14px;
  color: var(--muted);
  background: #f6fafc;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 700;
}

.help-layout {
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
}

.video-placeholder {
  display: grid;
  min-height: 260px;
  place-items: center;
  padding: 10px;
  color: var(--muted);
  text-align: center;
  background:
    linear-gradient(135deg, rgba(255, 97, 3, 0.13), rgba(12, 153, 252, 0.15)),
    #ffffff;
}

.tutorial-video {
  display: block;
  width: 100%;
  max-height: 440px;
  aspect-ratio: 16 / 9;
  background: #0f1720;
  border: 0;
  border-radius: 6px;
  object-fit: contain;
}

.video-placeholder strong {
  display: block;
  color: var(--ink);
  font-family: "Funnel Display", "Funnel Sans", Arial, Helvetica, sans-serif;
  font-size: 1.35rem;
}

.video-placeholder p,
.contact-panel p {
  margin: 8px 0 0;
  color: var(--muted);
}

.contact-panel {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 18px;
  text-align: center;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

@media (max-width: 920px) {
  .steps,
  .example-grid,
  .generator-layout,
  .help-layout {
    grid-template-columns: 1fr;
  }

  .generator-layout {
    align-items: stretch;
  }

  .site-header__inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header,
  main > section {
    padding: 30px 16px;
  }

  .brand-duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .brand-card {
    min-height: 132px;
    padding: 16px;
  }

  .brand-card img {
    width: min(108px, 100%);
  }

  .section-heading {
    display: grid;
    gap: 4px;
  }

  .field-grid,
  .segmented-control,
  .steps {
    grid-template-columns: 1fr;
  }

  .example-panel__top,
  .preview-panel__top {
    align-items: stretch;
    flex-direction: column;
  }

  .copy-button,
  .ghost-button {
    width: 100%;
  }

  .signature-box {
    padding: 16px;
  }
}