/* ==========================================================================
   MBB Trator Peças — estilos
   ========================================================================== */

:root {
  --color-primary: #FEAB00;
  --color-primary-dark: #D99000;
  --color-black: #121212;
  --color-black-soft: #1B1B1B;
  --color-white: #FFFFFF;
  --color-gray-50: #F7F7F5;
  --color-gray-100: #EFEFEC;
  --color-gray-300: #D4D4CF;
  --color-gray-500: #8A8A83;
  --color-gray-700: #4A4A45;

  --font-heading: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Barlow', 'Segoe UI', sans-serif;

  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);

  --container-width: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

html, body { overflow-x: hidden; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-black);
  background: var(--color-white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  width: 100%;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--color-black);
}

p { margin: 0 0 1em; color: var(--color-gray-700); }

img { max-width: 100%; display: block; }

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

ul { margin: 0; padding: 0; list-style: none; }

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

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.eyebrow--light { color: var(--color-primary); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 15px 28px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-black);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--sm { padding: 10px 18px; font-size: 0.85rem; }
.btn--lg { padding: 18px 36px; font-size: 1rem; }
.btn--block { width: 100%; }

.btn .icon { width: 20px; height: 20px; flex-shrink: 0; }

/* ---------- Header ---------- */
.header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-100);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.header__logo img { height: 48px; width: auto; }

.header__nav {
  display: none;
  gap: 28px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.header__nav a { color: var(--color-black); transition: color 0.15s ease; }
.header__nav a:hover { color: var(--color-primary-dark); }

@media (min-width: 900px) {
  .header__nav { display: flex; }
}

/* ---------- Hero ---------- */
.hero {
  background: var(--color-black);
  background-image:
    linear-gradient(160deg, rgba(254, 171, 0, 0.14), transparent 55%),
    repeating-linear-gradient(135deg, rgba(255,255,255,0.02) 0 2px, transparent 2px 26px);
  position: relative;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 40px;
  padding: 64px 20px 72px;
}

.hero__content h1 {
  color: var(--color-white);
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin-bottom: 20px;
}

.hero__lead {
  color: var(--color-gray-100);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  max-width: 46ch;
}

.hero__brands {
  color: var(--color-primary);
  font-size: 1.05rem;
}

.hero__brands strong { color: var(--color-primary); }

.hero__cta-text {
  color: var(--color-gray-300);
  margin-bottom: 28px;
}

.hero__media { display: none; }

.hero__image-wrap {
  position: relative;
  max-width: 460px;
  margin-left: auto;
  padding: 22px;
  border-radius: 20px;
  background: linear-gradient(160deg, #ffffff, var(--color-gray-100));
  box-shadow: var(--shadow-md);
}

.hero__image-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 20px;
  box-shadow: 0 0 0 1px rgba(254, 171, 0, 0.25);
  pointer-events: none;
}

.hero__tractor {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

@media (min-width: 860px) {
  .hero__inner { grid-template-columns: 1.3fr 0.7fr; padding: 96px 20px; }
  .hero__media { display: block; }
}

/* ---------- Sections ---------- */
.section { padding: 72px 0; }
.section--alt { background: var(--color-gray-50); }

.section--dark {
  background: var(--color-black);
  color: var(--color-white);
}

.section--dark h2, .section--dark h3 { color: var(--color-white); }
.section--dark p { color: var(--color-gray-300); }

.section__head {
  max-width: 680px;
  margin: 0 auto 40px;
  text-align: center;
}

.section__head h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); }

.section__sub {
  text-align: center;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.9rem;
  color: var(--color-gray-500);
  margin-bottom: 24px;
}

.section__cta { text-align: center; margin-top: 40px; }
.section__cta--stacked p { margin-bottom: 20px; color: var(--color-gray-700); }

/* ---------- Brands grid ---------- */
.brands-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 760px;
  margin: 0 auto;
}

.brand-card {
  background: var(--color-white);
  border: 2px solid var(--color-gray-100);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.brand-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
}

@media (min-width: 640px) {
  .brands-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Split (máquina parada) ---------- */
.split__content { max-width: 640px; margin: 0 auto; text-align: left; }
.split__content h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); }

.check-list {
  margin: 28px 0 32px;
  display: grid;
  gap: 14px;
}

.check-list li {
  position: relative;
  padding-left: 32px;
  color: var(--color-gray-100);
  font-weight: 500;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  background: var(--color-primary);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") no-repeat center / 70%;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") no-repeat center / 70%;
}

/* ---------- Parts grid ---------- */
.parts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.part-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.part-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.part-card > span {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 14px 12px;
  text-align: center;
  font-weight: 600;
  font-size: 0.92rem;
}

.part-photo {
  flex-shrink: 0;
  height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gray-50);
  border-bottom: 3px solid var(--color-primary);
  padding: 10px;
}

.part-photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@media (min-width: 640px) {
  .parts-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 960px) {
  .parts-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- Steps ---------- */
.steps {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

.step {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-black);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.step h3 { font-size: 1.05rem; margin-bottom: 6px; }
.step p { margin: 0; font-size: 0.92rem; }

@media (min-width: 640px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .steps { grid-template-columns: repeat(5, 1fr); }
}

/* ---------- Form ---------- */
.form-wrap {
  max-width: 720px;
  margin: 0 auto;
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius);
  padding: 40px 24px;
  box-shadow: var(--shadow-md);
}

@media (min-width: 640px) {
  .form-wrap { padding: 48px 56px; }
}

.form { display: grid; gap: 18px; }

.form__row { display: grid; gap: 6px; }

.form__row label {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-gray-700);
}

.form__row input,
.form__row textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 13px 14px;
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  background: var(--color-gray-50);
  color: var(--color-black);
  resize: vertical;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.form__row input:focus,
.form__row textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-white);
}

@media (min-width: 640px) {
  .form { grid-template-columns: 1fr 1fr; }
  .form__row:not(.form__row--half) { grid-column: 1 / -1; }
}

.form__foot {
  grid-column: 1 / -1;
  text-align: center;
  font-size: 0.92rem;
  margin: 4px 0 0;
}

.form__foot a {
  color: var(--color-primary-dark);
  font-weight: 600;
  text-decoration: underline;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-black);
  color: var(--color-gray-300);
  padding: 32px 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer__logo { height: 40px; filter: grayscale(1) brightness(1.6); }

.footer p { margin: 0; font-size: 0.85rem; color: var(--color-gray-500); }

@media (min-width: 640px) {
  .footer__inner { flex-direction: row; justify-content: space-between; text-align: left; }
}

/* ---------- Floating WhatsApp button ---------- */
.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 90;
  transition: transform 0.15s ease;
}

.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float .icon { width: 30px; height: 30px; }

/* ---------- Utility ---------- */
@media (min-width: 900px) {
  .split__content { max-width: 720px; }
}