/* ============================================================
   KARPPOVIK  PRO PARTS
   Industrial  thermal  plumbing  automotive / marine / industrial
   ============================================================ */

@import url("karppovik-brand.css");
:root {
  --pr-bg: #06080c;
  --pr-bg-2: #0c1018;
  --pr-bg-3: #121a26;
  --pr-line: rgba(255, 255, 255, 0.08);
  --pr-line-2: rgba(255, 255, 255, 0.16);
  --pr-txt: #eaeef5;
  --pr-txt-2: #a8b0bd;
  --pr-txt-3: #6a7280;
  --pr-red: #e10600;
  --pr-red-2: #ff1f3a;
  --pr-amber: #ffb020;
  --pr-mint: #38d39f;

  --pr-f-display: "Orbitron", system-ui, sans-serif;
  --pr-f-head: "Rajdhani", system-ui, sans-serif;
  --pr-f-body: "Inter", system-ui, sans-serif;
  --pr-f-mono: "JetBrains Mono", ui-monospace, "Courier New", monospace;

  --pr-pad-x: clamp(20px, 4vw, 80px);
  --pr-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
*::selection { background: var(--pr-red); color: #fff; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--pr-bg);
  color: var(--pr-txt);
  font-family: var(--pr-f-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100svh;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
  position: relative;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select {
  font: inherit; color: inherit;
  background: none; border: 0;
}

/* background */
.proparts-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
}
.proparts-bg__dots {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.035) 1px, transparent 0);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 75% 55% at 50% 20%, #000 35%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 75% 55% at 50% 20%, #000 35%, transparent 85%);
}
.proparts-bg__heat {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 90% 50% at 50% -10%, rgba(225,6,0,0.14) 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(255,176,32,0.06) 0%, transparent 55%);
  opacity: 0.9;
}

/* atoms */
.proparts-eyebrow {
  display: inline-block;
  font-family: var(--pr-f-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.34em;
  color: var(--pr-red-2);
  text-transform: uppercase;
  padding: 6px 12px;
  border: 1px solid rgba(255,31,58,0.35);
  border-radius: 3px;
  background: rgba(225,6,0,0.06);
}
.proparts-mono {
  font-family: var(--pr-f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--pr-txt-3);
  text-transform: uppercase;
}
.proparts-h2 {
  font-family: var(--pr-f-display);
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--pr-txt);
  text-transform: uppercase;
}
.proparts-h2 .accent {
  font-style: normal;
  background: linear-gradient(135deg, #ff5a2e 0%, #e10600 45%, #ff1f3a 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.proparts-lead {
  color: var(--pr-txt-2);
  font-weight: 300;
  font-size: clamp(1rem, 1.2vw, 1.12rem);
  max-width: 720px;
  margin-top: 16px;
}
.proparts-note {
  font-size: 0.88rem;
  color: var(--pr-txt-3);
  margin-top: 14px;
}
.proparts-note a {
  color: var(--pr-red-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.proparts-note a:hover { color: #fff; }
.proparts-note--center { text-align: center; max-width: none; }

/* reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.9s var(--pr-ease), transform 0.9s var(--pr-ease);
}
[data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
}
.proparts-hero__title [data-reveal] {
  display: inline-block;
  opacity: 1;
  transform: translateY(110%);
  transition: transform 1.1s var(--pr-ease);
}
.proparts-hero__title [data-reveal].is-in {
  transform: translateY(0);
}

/* NAV */
.proparts-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 20px var(--pr-pad-x);
  transition: background 0.4s, backdrop-filter 0.4s, padding 0.4s;
}
.proparts-nav.is-scrolled {
  background: rgba(6,8,12,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding-top: 12px; padding-bottom: 12px;
  border-bottom: 1px solid var(--pr-line);
}
.proparts-nav__back,
.proparts-nav__cta {
  font-family: var(--pr-f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--pr-txt);
  display: inline-flex; align-items: center; gap: 8px;
  transition: color 0.3s;
}
.proparts-nav__back { justify-self: start; }
.proparts-nav__cta {
  justify-self: end;
  padding: 10px 16px;
  border: 1px solid var(--pr-red);
  background: rgba(225,6,0,0.12);
  border-radius: 4px;
  color: var(--pr-red-2);
}
.proparts-nav__back:hover { color: var(--pr-red-2); }
.proparts-nav__cta:hover { background: var(--pr-red); color: #fff; }
.proparts-nav__brand {
  display: inline-flex; flex-direction: column; align-items: center; gap: 2px;
}
.proparts-nav__brand img { height: 26px; width: auto; }
.proparts-nav__brand em {
  font-family: var(--pr-f-mono);
  font-style: normal;
  font-weight: 600;
  font-size: 0.62rem;
  letter-spacing: 0.42em;
  color: var(--pr-amber);
}

/* HERO (foto Mangotes.webp comprimida) */
.proparts-hero {
  position: relative;
  isolation: isolate;
  background-color: var(--pr-bg);
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 0 var(--pr-pad-x);
}
.proparts-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    url("../img/proparts/mangotes.webp") center center / cover no-repeat;
  filter: saturate(0.9) contrast(1.06) brightness(0.82);
  transform: scale(1.03);
  transform-origin: center center;
  animation: prHeroDrift 22s ease-in-out infinite alternate;
}
@keyframes prHeroDrift {
  from { transform: scale(1.02); }
  to { transform: scale(1.07); }
}
.proparts-hero__overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 65% at 50% 100%, rgba(6,8,12,1) 0%, transparent 58%),
    linear-gradient(180deg, rgba(6,8,12,0.55) 0%, rgba(6,8,12,0.15) 40%, rgba(6,8,12,0.85) 100%),
    linear-gradient(90deg, rgba(6,8,12,0.75) 0%, transparent 55%);
  z-index: 1;
}
.proparts-hero__content {
  position: relative;
  z-index: 3;
  max-width: 1200px;
  width: 100%;
}
.proparts-hero__tagline {
  font-family: var(--pr-f-display);
  font-weight: 500;
  font-size: clamp(0.72rem, 1.35vw, 0.9rem);
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: var(--pr-txt-2);
  margin: 0 0 14px;
}
.proparts-hero__tagline-accent {
  font-weight: 900;
  letter-spacing: 0.18em;
  background: linear-gradient(135deg, var(--pr-amber) 0%, var(--pr-red-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.proparts-hero__title {
  font-family: var(--pr-f-display);
  font-weight: 900;
  font-size: clamp(2.8rem, 10vw, 8rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--pr-txt);
  margin: 12px 0 22px;
  text-transform: uppercase;
}
.proparts-hero__title .line { display: block; overflow: hidden; }
.proparts-hero__title .accent { color: var(--pr-txt); }
.proparts-hero__sub {
  font-size: clamp(0.98rem, 1.25vw, 1.08rem);
  color: var(--pr-txt-2);
  max-width: 580px;
  font-weight: 300;
}
.proparts-hero__sub b { color: var(--pr-txt); font-weight: 600; }
.proparts-hero__cta {
  margin-top: 32px;
  display: flex; flex-wrap: wrap; gap: 14px;
}

.proparts-hud {
  position: absolute;
  z-index: 2;
  display: flex; gap: 18px;
  padding: 0 var(--pr-pad-x);
  width: 100%;
}
.proparts-hud--top {
  top: 88px;
  justify-content: space-between;
}
.proparts-hud .proparts-mono { font-size: 0.6rem; color: rgba(234,238,245,0.48); }

.proparts-scroll-cue {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  color: var(--pr-txt-2);
}
.proparts-scroll-cue .proparts-mono { font-size: 0.58rem; color: rgba(234,238,245,0.5); }
.proparts-scroll-cue span:last-child {
  width: 1px; height: 46px;
  background: linear-gradient(180deg, var(--pr-amber) 0%, transparent 100%);
}

/* buttons */
.proparts-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--pr-f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 14px 22px;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.3s, color 0.3s, border-color 0.3s, transform 0.25s var(--pr-ease);
}
.proparts-btn--primary {
  background: linear-gradient(135deg, #ff2a1a 0%, var(--pr-red) 100%);
  color: #fff;
  border-color: rgba(255,255,255,0.12);
  box-shadow: 0 8px 32px rgba(225,6,0,0.25);
}
.proparts-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(225,6,0,0.35);
}
.proparts-btn--ghost {
  border-color: var(--pr-line-2);
  color: var(--pr-txt);
  background: rgba(255,255,255,0.03);
}
.proparts-btn--ghost:hover {
  border-color: var(--pr-red-2);
  color: var(--pr-red-2);
}

/* applications */
.proparts-apps {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--pr-line);
  margin: 0;
  border-top: 1px solid var(--pr-line);
}
.proparts-apps__card {
  padding: clamp(28px, 4vw, 48px);
  background: var(--pr-bg-2);
}
.proparts-apps__ico {
  display: block;
  font-family: var(--pr-f-mono);
  font-size: 0.65rem;
  color: var(--pr-amber);
  letter-spacing: 0.3em;
  margin-bottom: 14px;
}
.proparts-apps__card h2 {
  font-family: var(--pr-f-head);
  font-weight: 700;
  font-size: 1.35rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.proparts-apps__card p {
  color: var(--pr-txt-2);
  font-size: 0.98rem;
  line-height: 1.65;
}

/* ribbon */
.proparts-ribbon {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--pr-line);
  border-top: 1px solid var(--pr-line);
}
.proparts-ribbon__item {
  padding: 28px 20px;
  background: var(--pr-bg-3);
  text-align: center;
}
.proparts-ribbon__item strong {
  display: block;
  font-family: var(--pr-f-display);
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--pr-txt);
  margin-bottom: 6px;
}
.proparts-ribbon__item strong i { font-style: normal; font-size: 0.55em; color: var(--pr-red-2); }
.proparts-ribbon__item span {
  font-family: var(--pr-f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pr-txt-3);
}

/* sections */
.proparts-section {
  position: relative;
  z-index: 2;
  padding: clamp(56px, 8vw, 100px) var(--pr-pad-x);
}
.proparts-section--alt {
  background: linear-gradient(180deg, rgba(12,16,24,0.9) 0%, rgba(6,8,12,0.4) 100%);
  border-top: 1px solid var(--pr-line);
  border-bottom: 1px solid var(--pr-line);
}
.proparts-section-head {
  max-width: 900px;
  margin-bottom: clamp(32px, 5vw, 56px);
}

/* Seces com foto de stock PRO PARTS (WebP comprimido) */
#termotape.proparts-section--alt {
  background: transparent;
}
#termotape.proparts-section--alt::before,
#heat-shield.proparts-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  pointer-events: none;
}
#termotape.proparts-section--alt::before {
  background-image: url("../img/proparts/termotape.webp");
  opacity: 0.22;
}
#heat-shield.proparts-section::before {
  background-image: url("../img/proparts/termotape2.webp");
  opacity: 0.18;
}
#termotape.proparts-section--alt::after,
#heat-shield.proparts-section::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(6, 8, 12, 0.92) 0%,
    rgba(6, 8, 12, 0.78) 45%,
    rgba(6, 8, 12, 0.94) 100%
  );
}
#heat-shield.proparts-section::after {
  background: linear-gradient(
    180deg,
    rgba(6, 8, 12, 0.94) 0%,
    rgba(6, 8, 12, 0.72) 50%,
    rgba(6, 8, 12, 0.96) 100%
  );
}
#termotape.proparts-section--alt > *,
#heat-shield.proparts-section > * {
  position: relative;
  z-index: 2;
}

/* split + spec table */
.proparts-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
  max-width: 1100px;
}
.proparts-spec {
  border: 1px solid var(--pr-line);
  border-radius: 6px;
  overflow: hidden;
  background: rgba(255,255,255,0.02);
}
.proparts-spec h3 {
  font-family: var(--pr-f-head);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 16px 18px;
  border-bottom: 1px solid var(--pr-line);
  background: rgba(225,6,0,0.06);
}
.proparts-spec table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.proparts-spec th, .proparts-spec td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--pr-line);
  vertical-align: top;
}
.proparts-spec th {
  font-weight: 500;
  color: var(--pr-txt-2);
  width: 46%;
}
.proparts-spec tr:last-child th,
.proparts-spec tr:last-child td { border-bottom: 0; }
.proparts-prose {
  color: var(--pr-txt-2);
  font-size: 1rem;
  line-height: 1.7;
}
.proparts-prose p + p { margin-top: 16px; }

/* cards */
.proparts-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1200px;
}
.proparts-card {
  border: 1px solid var(--pr-line);
  border-radius: 8px;
  padding: 26px 22px;
  background: rgba(255,255,255,0.02);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.proparts-card:hover {
  border-color: rgba(255,176,32,0.25);
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}
.proparts-card__num {
  font-size: 0.62rem;
  color: var(--pr-txt-3);
  margin-bottom: 14px;
}
.proparts-card h3 {
  font-family: var(--pr-f-head);
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.proparts-card__spec {
  font-size: 0.88rem;
  color: var(--pr-txt-2);
  margin-bottom: 8px;
}
.proparts-card__list {
  list-style: none;
  margin-top: 14px;
}
.proparts-card__list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--pr-txt-2);
}
.proparts-card__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 5px; height: 5px;
  border-radius: 1px;
  background: var(--pr-red-2);
}

/* details grid */
.proparts-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 900px;
}
.proparts-detail {
  border: 1px solid var(--pr-line);
  border-radius: 6px;
  background: rgba(255,255,255,0.02);
  padding: 0 18px;
}
.proparts-detail[open] {
  border-color: rgba(255,176,32,0.3);
}
.proparts-detail summary {
  cursor: pointer;
  font-family: var(--pr-f-head);
  font-weight: 600;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 16px 0;
  list-style: none;
}
.proparts-detail summary::-webkit-details-marker { display: none; }
.proparts-detail p {
  font-size: 0.92rem;
  color: var(--pr-txt-2);
  padding-bottom: 16px;
  line-height: 1.65;
}
.proparts-detail p + p { margin-top: -6px; }
.proparts-mini {
  font-family: var(--pr-f-mono);
  font-size: 0.72rem;
  color: var(--pr-txt-3);
  letter-spacing: 0.04em;
}

/* apply + form */
.proparts-apply {
  position: relative;
  z-index: 2;
  padding: clamp(60px, 10vw, 120px) var(--pr-pad-x);
  display: grid;
  grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--pr-line);
}
.proparts-apply__intro p {
  color: var(--pr-txt-2);
  margin-top: 20px;
  font-size: 1rem;
  line-height: 1.65;
}

.proparts-form {
  border: 1px solid var(--pr-line);
  border-radius: 8px;
  background: rgba(12,16,24,0.8);
  overflow: hidden;
}
.proparts-form__head {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--pr-line);
  background: rgba(225,6,0,0.07);
}
.proparts-form__status {
  font-family: var(--pr-f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--pr-txt-3);
}
.proparts-form__group {
  padding: 20px 18px;
  border: 0;
  border-bottom: 1px solid var(--pr-line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.proparts-form__group legend {
  grid-column: 1 / -1;
  font-family: var(--pr-f-head);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pr-txt-3);
  padding: 0 0 8px;
}
.proparts-field { display: flex; flex-direction: column; gap: 6px; }
.proparts-field--full { grid-column: 1 / -1; }

.proparts-field label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pr-txt-3);
}
.proparts-field input,
.proparts-field textarea,
.proparts-field select {
  padding: 12px 14px;
  border: 1px solid var(--pr-line);
  border-radius: 4px;
  background: rgba(0,0,0,0.35);
  transition: border-color 0.25s;
}
.proparts-field input:focus,
.proparts-field textarea:focus,
.proparts-field select:focus {
  outline: none;
  border-color: rgba(255,176,32,0.45);
}
.proparts-field textarea { resize: vertical; min-height: 100px; }

.proparts-form__foot {
  padding: 22px 18px;
}
.proparts-form__note {
  font-size: 0.82rem;
  color: var(--pr-txt-3);
  margin-bottom: 18px;
  line-height: 1.55;
}

/* footer */
.proparts-footer {
  position: relative;
  z-index: 2;
  padding: 48px var(--pr-pad-x) 32px;
  border-top: 1px solid var(--pr-line);
  background: #040508;
}
.proparts-footer__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto 28px;
}
.proparts-footer__brand img { height: 28px; width: auto; opacity: 0.95; }
.proparts-footer__slogan {
  font-family: var(--pr-f-display);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}
.proparts-footer__slogan .accent {
  background: linear-gradient(135deg, #ff1f3a 0%, #b80000 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.proparts-footer__socials {
  display: flex; gap: 14px;
}
.proparts-footer__socials a {
  color: var(--pr-txt-3);
  transition: color 0.25s;
}
.proparts-footer__socials a:hover { color: var(--pr-red-2); }
.proparts-footer__bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 20px;
  border-top: 1px solid var(--pr-line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--pr-txt-3);
  font-family: var(--pr-f-mono);
  letter-spacing: 0.06em;
}

/* responsive */
@media (max-width: 960px) {
  .proparts-apps { grid-template-columns: 1fr; }
  .proparts-ribbon { grid-template-columns: repeat(2, 1fr); }
  .proparts-split { grid-template-columns: 1fr; }
  .proparts-cards { grid-template-columns: 1fr; }
  .proparts-apply { grid-template-columns: 1fr; }
}
@media (max-width: 540px) {
  .proparts-ribbon { grid-template-columns: 1fr; }
  .proparts-form__group { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .proparts-hero::before { animation: none; transform: scale(1.03); }
}