/* ============================================================
   KARPPOVIK · PPF
   Technical B2B · clinical · glass / protection language
   ============================================================ */

@import url("karppovik-brand.css");
:root {
  --pp-bg: #06080c;
  --pp-bg-2: #0c1018;
  --pp-bg-3: #131822;
  --pp-line: rgba(255, 255, 255, 0.08);
  --pp-line-2: rgba(255, 255, 255, 0.16);
  --pp-txt: #eaeef5;
  --pp-txt-2: #a8b0bd;
  --pp-txt-3: #6a7280;
  --pp-red: #e10600;
  --pp-red-2: #ff1f3a;
  --pp-cyan: #6bb5ff;
  --pp-mint: #38d39f;

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

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

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--pp-bg);
  color: var(--pp-txt);
  font-family: var(--pp-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
   ============================================================ */
.ppf-bg {
  position: fixed; inset: 0;
  z-index: 0;
  pointer-events: none;
}
.ppf-bg__dots {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.04) 1px, transparent 0);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 90%);
}
.ppf-bg__scanline {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(255,255,255,0.015) 50%, transparent 100%);
  animation: ppScan 12s linear infinite;
}
@keyframes ppScan {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

/* ============================================================
   GLOBAL ATOMS
   ============================================================ */
.ppf-eyebrow {
  display: inline-block;
  font-family: var(--pp-f-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.34em;
  color: var(--pp-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);
}
.ppf-mono {
  font-family: var(--pp-f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--pp-txt-3);
  text-transform: uppercase;
}
.ppf-h2 {
  font-family: var(--pp-f-display);
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--pp-txt);
  text-transform: uppercase;
}
.ppf-h2 b {
  font-weight: 900;
  color: var(--pp-txt);
}
.ppf-h2 .accent,
.ppf-h2 i,
.ppf-hero__title i {
  font-style: normal;
  background: linear-gradient(135deg, #ff1f3a 0%, #b80000 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

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

/* ============================================================
   NAV
   ============================================================ */
.ppf-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(--pp-pad-x);
  transition: background 0.4s, backdrop-filter 0.4s, padding 0.4s;
}
.ppf-nav.is-scrolled {
  background: rgba(6,8,12,0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding-top: 12px; padding-bottom: 12px;
  border-bottom: 1px solid var(--pp-line);
}
.ppf-nav__back,
.ppf-nav__cta {
  font-family: var(--pp-f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--pp-txt);
  display: inline-flex; align-items: center; gap: 8px;
  transition: color 0.3s;
}
.ppf-nav__back { justify-self: start; }
.ppf-nav__cta {
  justify-self: end;
  padding: 10px 16px;
  border: 1px solid var(--pp-red);
  background: rgba(225,6,0,0.12);
  border-radius: 4px;
  color: var(--pp-red-2);
  transition: background 0.3s, color 0.3s;
}
.ppf-nav__back:hover { color: var(--pp-red-2); }
.ppf-nav__cta:hover { background: var(--pp-red); color: #fff; }
.ppf-nav__brand {
  display: inline-flex; flex-direction: column; align-items: center; gap: 2px;
}
.ppf-nav__brand img { height: 26px; width: auto; }
.ppf-nav__brand em {
  font-family: var(--pp-f-mono);
  font-style: normal;
  font-weight: 600;
  font-size: 0.62rem;
  letter-spacing: 0.42em;
  color: var(--pp-red-2);
}

/* ============================================================
   HERO
   ============================================================ */
.ppf-hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 0 var(--pp-pad-x);
}
.ppf-hero__img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
  filter: saturate(0.85) contrast(1.08) brightness(0.9);
  transform: scale(1.04);
  animation: ppHeroZoom 18s ease-in-out infinite alternate;
}
@keyframes ppHeroZoom {
  from { transform: scale(1.04); }
  to   { transform: scale(1.10); }
}
.ppf-hero__overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(6,8,12,1) 0%, transparent 60%),
    linear-gradient(180deg, rgba(6,8,12,0.6) 0%, rgba(6,8,12,0.2) 35%, rgba(6,8,12,0.6) 70%, rgba(6,8,12,0.98) 100%),
    linear-gradient(90deg, rgba(6,8,12,0.7) 0%, transparent 50%);
  z-index: 1;
}
.ppf-hero__content {
  position: relative;
  z-index: 3;
  max-width: 1400px;
  width: 100%;
}
/* Opening slogan (Protect for longer) � aparece antes do eyebrow B2B */
.ppf-hero__tagline {
  font-family: var(--pp-f-display);
  font-weight: 500;
  font-size: clamp(0.72rem, 1.35vw, 0.92rem);
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: var(--pp-txt-2);
  margin: 0 0 16px;
}
.ppf-hero__tagline-accent {
  font-weight: 900;
  letter-spacing: 0.2em;
  background: linear-gradient(135deg, #ff1f3a 0%, #b80000 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.ppf-hero__title {
  font-family: var(--pp-f-display);
  font-weight: 900;
  font-size: clamp(3rem, 11vw, 9rem);
  line-height: 0.95;
  letter-spacing: -0.015em;
  color: var(--pp-txt);
  margin: 20px 0 26px;
  text-transform: uppercase;
}
.ppf-hero__title .line {
  display: block;
  overflow: hidden;
}
.ppf-hero__sub {
  font-size: clamp(0.98rem, 1.3vw, 1.1rem);
  color: var(--pp-txt-2);
  max-width: 600px;
  font-weight: 300;
}
.ppf-hero__sub b { color: var(--pp-txt); font-weight: 600; }
.ppf-hero__cta {
  margin-top: 36px;
  display: flex; flex-wrap: wrap; gap: 14px;
}

/* HUD */
.ppf-hud {
  position: absolute;
  z-index: 2;
  display: flex; gap: 22px;
  padding: 0 var(--pp-pad-x);
  width: 100%;
}
.ppf-hud--top {
  top: 90px;
  justify-content: space-between;
}
.ppf-hud .ppf-mono { font-size: 0.62rem; color: rgba(234,238,245,0.55); }

.ppf-hud-lines {
  position: absolute; inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.85;
}
.ppf-hud-lines svg { width: 100%; height: 100%; }

/* Scroll cue */
.ppf-scroll-cue {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  color: var(--pp-txt-2);
}
.ppf-scroll-cue .ppf-mono { font-size: 0.6rem; color: rgba(234,238,245,0.55); }
.ppf-scroll-cue span:last-child {
  width: 1px; height: 50px;
  background: linear-gradient(180deg, var(--pp-red-2) 0%, transparent 100%);
  position: relative;
}
.ppf-scroll-cue span:last-child::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 1px; height: 16px;
  background: var(--pp-txt);
  animation: ppScrollDown 2s var(--pp-ease) infinite;
}
@keyframes ppScrollDown {
  0% { transform: translateY(0); opacity: 0; }
  20% { opacity: 1; }
  100% { transform: translateY(50px); opacity: 0; }
}

/* ============================================================
   TRUST RIBBON
   ============================================================ */
.ppf-trust {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--pp-line);
  border-bottom: 1px solid var(--pp-line);
  background: rgba(12,16,24,0.7);
  backdrop-filter: blur(10px);
}
.ppf-trust__item {
  padding: 28px var(--pp-pad-x);
  display: flex; flex-direction: column; gap: 6px;
  border-right: 1px solid var(--pp-line);
}
.ppf-trust__item:last-child { border-right: 0; }
.ppf-trust__item strong {
  font-family: var(--pp-f-display);
  font-weight: 900;
  font-size: 2.4rem;
  line-height: 1;
  color: var(--pp-txt);
}
.ppf-trust__item strong i {
  font-style: normal;
  color: var(--pp-red-2);
  font-size: 0.6em;
}
.ppf-trust__item span {
  font-family: var(--pp-f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  color: var(--pp-txt-3);
  text-transform: uppercase;
}

/* ============================================================
   MANIFESTO
   ============================================================ */
.ppf-manifesto {
  position: relative;
  z-index: 2;
  padding: clamp(80px, 12vw, 140px) var(--pp-pad-x);
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}
.ppf-manifesto .ppf-eyebrow { margin-bottom: 22px; }
.ppf-manifesto p {
  margin-top: 26px;
  font-size: clamp(0.98rem, 1.2vw, 1.08rem);
  color: var(--pp-txt-2);
  font-weight: 300;
  max-width: 680px;
  margin-left: auto; margin-right: auto;
}
.ppf-manifesto p b { color: var(--pp-txt); font-weight: 600; }

/* ============================================================
   SECTION HEAD
   ============================================================ */
.ppf-section-head {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-bottom: 50px;
  max-width: 900px;
  margin: 0 auto;
}
.ppf-section-head .ppf-eyebrow { margin-bottom: 18px; }
.ppf-section-head__sub {
  margin-top: 18px;
  color: var(--pp-txt-2);
  font-weight: 300;
  font-size: 0.98rem;
}

/* ============================================================
   PRODUCT VARIANTS
   ============================================================ */
.ppf-products {
  position: relative;
  z-index: 2;
  padding: clamp(80px, 12vw, 140px) var(--pp-pad-x);
  max-width: 1500px;
  margin: 0 auto;
}
.ppf-products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.ppf-product {
  position: relative;
  padding: 28px;
  border: 1px solid var(--pp-line);
  background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.005)), var(--pp-bg-2);
  border-radius: 12px;
  overflow: hidden;
  isolation: isolate;
  transition: border-color 0.4s, transform 0.5s var(--pp-ease), box-shadow 0.5s var(--pp-ease);
}
.ppf-product::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,31,58,0.5), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.ppf-product:hover {
  border-color: rgba(255,31,58,0.45);
  transform: translateY(-6px);
  box-shadow: 0 28px 60px -28px rgba(225,6,0,0.45);
}
.ppf-product:hover::before { opacity: 1; }
.ppf-product__num {
  position: absolute; top: 18px; right: 22px;
  color: var(--pp-red-2);
}
.ppf-product__art {
  position: relative;
  aspect-ratio: 4/3;
  display: grid; place-items: center;
  margin-bottom: 22px;
  border-radius: 8px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01));
}
.ppf-product__art svg { width: 100%; height: 100%; }
.ppf-product__sheen {
  position: absolute; inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,0.18) 50%, transparent 70%);
  background-size: 200% 100%;
  animation: ppSheen 5s linear infinite;
  pointer-events: none;
}
@keyframes ppSheen {
  0%   { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}
.ppf-product h3 {
  font-family: var(--pp-f-head);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--pp-txt);
}
.ppf-product p {
  font-size: 0.92rem;
  color: var(--pp-txt-2);
  font-weight: 300;
  line-height: 1.55;
  margin-bottom: 20px;
}
.ppf-product__specs {
  list-style: none;
  display: grid;
  gap: 6px;
  border-top: 1px solid var(--pp-line);
  padding-top: 14px;
}
.ppf-product__specs li {
  display: flex; justify-content: space-between;
  font-family: var(--pp-f-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
}
.ppf-product__specs span { color: var(--pp-txt-3); text-transform: uppercase; }
.ppf-product__specs b { color: var(--pp-txt); font-weight: 600; }

/* Featured product variants */
.ppf-product--clear { background: linear-gradient(180deg, rgba(107,181,255,0.07), rgba(107,181,255,0.01)), var(--pp-bg-2); }
.ppf-product--matte { background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01)), var(--pp-bg-2); }
.ppf-product--color { background: linear-gradient(180deg, rgba(225,6,0,0.08), rgba(225,6,0,0.01)), var(--pp-bg-2); }

/* ============================================================
   COLOR PALETTE
   ============================================================ */
.ppf-palette {
  position: relative;
  z-index: 2;
  padding: clamp(80px, 12vw, 140px) var(--pp-pad-x) 60px;
  max-width: 1500px;
  margin: 0 auto;
}
.ppf-palette__filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 36px;
}
.ppf-chip {
  font-family: var(--pp-f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 9px 16px;
  border: 1px solid var(--pp-line-2);
  border-radius: 100px;
  color: var(--pp-txt-2);
  cursor: pointer;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
  display: inline-flex; align-items: center; gap: 8px;
}
.ppf-chip i {
  font-style: normal;
  color: var(--pp-txt-3);
  font-size: 0.85em;
}
.ppf-chip:hover { color: var(--pp-txt); border-color: rgba(255,31,58,0.4); }
.ppf-chip.is-active {
  background: var(--pp-red);
  border-color: var(--pp-red);
  color: #fff;
}
.ppf-chip.is-active i { color: rgba(255,255,255,0.7); }

.ppf-palette__grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 8px;
}
.ppf-swatch {
  position: relative;
  aspect-ratio: 1/1;
  overflow: hidden;
  border-radius: 6px;
  cursor: pointer;
  background: var(--pp-bg-2);
  transition: opacity 0.4s var(--pp-ease), transform 0.5s var(--pp-ease), filter 0.4s;
}
.ppf-swatch img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--pp-ease);
}
.ppf-swatch::after {
  content: "";
  position: absolute; inset: 0;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  pointer-events: none;
}
.ppf-swatch:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px -8px rgba(0,0,0,0.6);
  z-index: 2;
}
.ppf-swatch:hover img { transform: scale(1.1); }
.ppf-swatch figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 12px 10px 10px;
  background: linear-gradient(180deg, transparent, rgba(6,8,12,0.92) 50%);
  color: #fff;
  font-family: var(--pp-f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 6px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s, transform 0.4s var(--pp-ease);
}
.ppf-swatch figcaption span { font-weight: 500; text-transform: none; letter-spacing: 0.01em; font-size: 0.72rem; }
.ppf-swatch figcaption i {
  font-style: normal;
  color: var(--pp-red-2);
  font-size: 0.56rem;
  letter-spacing: 0.2em;
}
.ppf-swatch:hover figcaption {
  opacity: 1;
  transform: translateY(0);
}

/* Filter hidden state */
.ppf-swatch.is-hidden {
  opacity: 0;
  transform: scale(0.85);
  pointer-events: none;
  width: 0; padding: 0; margin: 0;
  display: none;
}

/* ============================================================
   TECH SPECS GRID
   ============================================================ */
.ppf-tech {
  position: relative;
  z-index: 2;
  padding: clamp(80px, 12vw, 140px) var(--pp-pad-x);
  max-width: 1400px;
  margin: 0 auto;
}
.ppf-tech__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.ppf-tech__card {
  position: relative;
  padding: 28px 24px;
  border: 1px solid var(--pp-line);
  background: var(--pp-bg-2);
  border-radius: 10px;
  transition: border-color 0.4s, transform 0.4s var(--pp-ease);
}
.ppf-tech__card:hover {
  border-color: rgba(255,31,58,0.4);
  transform: translateY(-4px);
}
.ppf-tech__num {
  display: inline-block;
  font-family: var(--pp-f-display);
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--pp-red-2);
  margin-bottom: 14px;
}
.ppf-tech__card h3 {
  font-family: var(--pp-f-head);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.01em;
  margin-bottom: 10px;
  color: var(--pp-txt);
  text-transform: uppercase;
}
.ppf-tech__card p {
  font-size: 0.88rem;
  color: var(--pp-txt-2);
  font-weight: 300;
  line-height: 1.55;
}
.ppf-tech__card p b { color: var(--pp-txt); font-weight: 600; }

/* ============================================================
   APPLICATION FORM
   ============================================================ */
.ppf-apply {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  padding: clamp(80px, 12vw, 140px) var(--pp-pad-x);
  max-width: 1500px;
  margin: 0 auto;
  border-top: 1px solid var(--pp-line);
}
.ppf-apply__intro .ppf-eyebrow { margin-bottom: 22px; }
.ppf-apply__intro p {
  margin-top: 20px;
  color: var(--pp-txt-2);
  font-weight: 300;
  font-size: 1rem;
}
.ppf-apply__perks {
  list-style: none;
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--pp-line);
  display: grid;
  gap: 12px;
}
.ppf-apply__perks li {
  font-size: 0.92rem;
  color: var(--pp-txt-2);
  padding-left: 22px;
  position: relative;
}
.ppf-apply__perks li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 8px; height: 8px;
  background: var(--pp-red);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(225,6,0,0.5);
}
.ppf-apply__perks b { color: var(--pp-txt); font-weight: 600; }

/* Form */
.ppf-form {
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)), var(--pp-bg-2);
  border: 1px solid var(--pp-line);
  border-radius: 14px;
  padding: 32px;
  backdrop-filter: blur(8px);
}
.ppf-form__head {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--pp-line);
  margin-bottom: 26px;
}
.ppf-form__status {
  font-family: var(--pp-f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--pp-red-2);
}
.ppf-form__group {
  border: 0;
  margin-bottom: 26px;
}
.ppf-form__group legend {
  font-family: var(--pp-f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--pp-txt-3);
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--pp-line);
  width: 100%;
}
.ppf-form__group:last-of-type { margin-bottom: 20px; }
.ppf-form__group:has(.ppf-field) > .ppf-field { /* no-op for browser support */ }

/* Field layout: auto-fit nice 2-col grid */
.ppf-form__group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 14px;
  row-gap: 16px;
}
.ppf-form__group legend { grid-column: 1 / -1; }
.ppf-field--full { grid-column: 1 / -1; }
.ppf-field--wide { grid-column: span 1; }
.ppf-field--small { grid-column: span 1; }

.ppf-field { display: flex; flex-direction: column; gap: 6px; }
.ppf-field label {
  font-family: var(--pp-f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  color: var(--pp-txt-3);
  text-transform: uppercase;
}
.ppf-field input,
.ppf-field textarea,
.ppf-field select {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--pp-line-2);
  border-radius: 6px;
  color: var(--pp-txt);
  font-size: 0.95rem;
  font-family: var(--pp-f-body);
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.ppf-field textarea { resize: vertical; min-height: 80px; }
.ppf-field input:focus,
.ppf-field textarea:focus,
.ppf-field select:focus {
  outline: none;
  border-color: var(--pp-red-2);
  background: rgba(255,255,255,0.06);
  box-shadow: 0 0 0 3px rgba(255,31,58,0.12);
}
.ppf-field input:invalid:not(:placeholder-shown),
.ppf-field select:invalid:not(:focus) {
  border-color: rgba(255,31,58,0.4);
}
.ppf-field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8' fill='%23a8b0bd'><path d='M6 8L0 0h12z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 10px;
  padding-right: 36px;
}
.ppf-field select option { background: var(--pp-bg-2); color: var(--pp-txt); }
.ppf-field input::placeholder,
.ppf-field textarea::placeholder { color: var(--pp-txt-3); }

.ppf-form__foot {
  display: flex; justify-content: space-between; align-items: center;
  gap: 20px;
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--pp-line);
  flex-wrap: wrap;
}
.ppf-form__note {
  font-size: 0.78rem;
  color: var(--pp-txt-3);
  max-width: 360px;
  line-height: 1.5;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.ppf-btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--pp-f-mono);
  font-weight: 500;
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 14px 22px;
  border-radius: 4px;
  transition: transform 0.3s var(--pp-ease), background 0.3s, color 0.3s, box-shadow 0.3s, border-color 0.3s;
  cursor: pointer;
  will-change: transform;
}
.ppf-btn--primary {
  background: var(--pp-red);
  color: #fff;
  box-shadow: 0 14px 30px -14px rgba(225,6,0,0.6);
}
.ppf-btn--primary:hover {
  background: #ff1f3a;
  box-shadow: 0 18px 40px -12px rgba(255,31,58,0.7);
}
.ppf-btn--ghost {
  border: 1px solid var(--pp-line-2);
  color: var(--pp-txt);
}
.ppf-btn--ghost:hover {
  border-color: var(--pp-red-2);
  color: var(--pp-red-2);
}
.ppf-btn svg { transition: transform 0.3s var(--pp-ease); }
.ppf-btn:hover svg { transform: translateX(4px); }

/* ============================================================
   FOOTER
   ============================================================ */
.ppf-footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--pp-line);
  padding: 50px var(--pp-pad-x) 30px;
  background: var(--pp-bg-2);
}
.ppf-footer__top {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  gap: 30px;
  margin-bottom: 30px;
}
.ppf-footer__brand img { height: 28px; width: auto; justify-self: start; }
.ppf-footer__slogan {
  font-family: var(--pp-f-display);
  font-weight: 900;
  font-size: 0.95rem;
  letter-spacing: 0.32em;
  text-align: center;
  text-transform: uppercase;
}
.ppf-footer__slogan .accent {
  background: linear-gradient(135deg, #ff1f3a 0%, #b80000 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.ppf-footer__slogan i { font-style: normal; }
.ppf-footer__socials {
  justify-self: end;
  display: flex; gap: 10px;
}
.ppf-footer__socials a {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border: 1px solid var(--pp-line-2);
  border-radius: 50%;
  color: var(--pp-txt-2);
  transition: color 0.3s, border-color 0.3s, transform 0.3s var(--pp-ease);
}
.ppf-footer__socials a:hover { color: var(--pp-red-2); border-color: var(--pp-red-2); transform: translateY(-2px); }
.ppf-footer__bottom {
  border-top: 1px solid var(--pp-line);
  padding-top: 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-family: var(--pp-f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--pp-txt-3);
  text-transform: uppercase;
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.ppf-lightbox {
  position: fixed; inset: 0;
  background: rgba(6,8,12,0.92);
  backdrop-filter: blur(10px);
  z-index: 200;
  display: none;
  place-items: center;
  padding: 40px;
  cursor: zoom-out;
}
.ppf-lightbox.is-open {
  display: grid;
  animation: ppLightFade 0.3s var(--pp-ease);
}
@keyframes ppLightFade {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.ppf-lightbox figure {
  max-width: min(720px, 90vw);
  max-height: 90vh;
  display: flex; flex-direction: column;
  border: 1px solid var(--pp-line-2);
  background: var(--pp-bg-2);
  border-radius: 12px;
  overflow: hidden;
  animation: ppLightZoom 0.4s var(--pp-ease);
}
@keyframes ppLightZoom {
  from { transform: scale(0.92); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
.ppf-lightbox img {
  width: 100%; max-height: 70vh; object-fit: cover;
}
.ppf-lightbox figcaption {
  padding: 18px 22px;
  border-top: 1px solid var(--pp-line);
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--pp-f-mono);
  letter-spacing: 0.1em;
}
.ppf-lightbox figcaption .name { font-size: 1rem; color: var(--pp-txt); }
.ppf-lightbox figcaption .finish {
  font-style: normal;
  color: var(--pp-red-2);
  font-size: 0.7rem; letter-spacing: 0.2em;
}
.ppf-lightbox__close {
  position: absolute;
  top: 24px; right: 32px;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--pp-line-2);
  font-size: 1.6rem;
  color: var(--pp-txt);
  cursor: pointer;
  transition: background 0.3s, border-color 0.3s;
  z-index: 1;
}
.ppf-lightbox__close:hover { border-color: var(--pp-red-2); color: var(--pp-red-2); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .ppf-products__grid { grid-template-columns: 1fr 1fr; }
  .ppf-tech__grid { grid-template-columns: repeat(2, 1fr); }
  .ppf-palette__grid { grid-template-columns: repeat(6, 1fr); }
  .ppf-apply { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .ppf-nav { padding: 14px var(--pp-pad-x); }
  .ppf-nav__back span, .ppf-nav__cta span { display: none; }
  .ppf-nav__back svg, .ppf-nav__cta svg { width: 18px; height: 18px; }
  .ppf-nav__cta { padding: 10px; }
  .ppf-nav__brand img { height: 22px; }
  .ppf-nav__brand em { font-size: 0.54rem; }

  .ppf-hud--top { top: 70px; flex-direction: column; gap: 4px; }
  .ppf-hud-lines { display: none; }

  .ppf-trust { grid-template-columns: repeat(2, 1fr); }
  .ppf-trust__item { padding: 22px var(--pp-pad-x); }
  .ppf-trust__item:nth-child(2) { border-right: 0; }
  .ppf-trust__item:nth-child(1), .ppf-trust__item:nth-child(2) { border-bottom: 1px solid var(--pp-line); }
  .ppf-trust__item strong { font-size: 1.8rem; }

  .ppf-products__grid { grid-template-columns: 1fr; }
  .ppf-tech__grid { grid-template-columns: 1fr; }
  .ppf-palette__grid { grid-template-columns: repeat(4, 1fr); }
  .ppf-palette__filters { gap: 6px; }
  .ppf-chip { font-size: 0.62rem; padding: 8px 12px; letter-spacing: 0.12em; }

  .ppf-form { padding: 22px; }
  .ppf-form__group { grid-template-columns: 1fr; }
  .ppf-form__head { flex-direction: column; align-items: flex-start; gap: 6px; }

  .ppf-footer__top { grid-template-columns: 1fr; gap: 18px; text-align: center; }
  .ppf-footer__brand img, .ppf-footer__socials { justify-self: center; }
  .ppf-footer__bottom { justify-content: center; text-align: center; }
}
@media (max-width: 540px) {
  :root { --pp-pad-x: 18px; }
  .ppf-palette__grid { grid-template-columns: repeat(3, 1fr); }
  .ppf-hero__title { font-size: clamp(2.6rem, 16vw, 5rem); }
  .ppf-hero__cta { flex-direction: column; }
  .ppf-hero__cta .ppf-btn { width: 100%; justify-content: center; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .ppf-hero__img { animation: none; }
}

/* Touch */
@media (hover: none), (pointer: coarse) {
  .ppf-product:hover { transform: none; box-shadow: none; }
  .ppf-swatch:hover { transform: none; box-shadow: none; }
  .ppf-swatch:hover img { transform: none; }
  .ppf-swatch figcaption { opacity: 1; transform: none; }
}