/* KISS — identidade amarelo + preto + branco */

:root {
  --yellow: #f5c400;
  --yellow-deep: #e0b000;
  --yellow-soft: #ffe566;
  --black: #0d0d0d;
  --ink: #161616;
  --muted: #5c5c5c;
  --line: #e6e6e6;
  --paper: #f7f7f5;
  --white: #ffffff;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.12);
  --radius: 4px;
  --header-h: 76px;
  --font-display: "Archivo Black", Impact, sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --max: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 100% -10%, rgba(245, 196, 0, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 40% at 0% 20%, rgba(0, 0, 0, 0.04), transparent 50%),
    linear-gradient(180deg, #fafaf8 0%, var(--white) 40%, var(--paper) 100%);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

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

h1,
h2,
h3 {
  line-height: 1.15;
  margin: 0 0 0.6em;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(1.85rem, 4.5vw, 3.25rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.65rem, 3.2vw, 2.5rem);
  font-weight: 800;
}

h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

p {
  margin: 0 0 1rem;
}

address {
  font-style: normal;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  background: var(--yellow);
  color: var(--black);
  padding: 0.75rem 1rem;
  z-index: 1000;
  font-weight: 700;
}

.skip-link:focus {
  top: 1rem;
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.eyebrow--on-dark {
  color: rgba(255, 255, 255, 0.72);
}

.section {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
}

.section__head {
  max-width: 38rem;
  margin-bottom: 2.5rem;
}

.section__head p:last-child {
  color: var(--muted);
  margin-bottom: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.85rem 1.35rem;
  border-radius: var(--radius);
  font-family: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
}

.btn--yellow {
  background: var(--yellow);
  color: var(--black);
  box-shadow: 0 8px 24px rgba(245, 196, 0, 0.35);
}

.btn--yellow:hover {
  background: var(--yellow-soft);
}

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

.btn--dark:hover {
  background: #2a2a2a;
}

.btn--outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
}

.btn--outline-light:hover {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.btn--outline-dark {
  background: transparent;
  color: var(--black);
  border-color: var(--black);
}

.btn--outline-dark:hover {
  background: var(--black);
  color: var(--white);
}

.btn--block {
  width: 100%;
}

.btn--lg {
  min-height: 56px;
  padding-inline: 1.8rem;
  font-size: 1.05rem;
}

/* Logo */
.logo,
.footer__brand {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo__kiss {
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: 0.02em;
  color: var(--black);
}

.header .logo__kiss {
  color: var(--black);
}

.header.is-scrolled .logo__kiss {
  color: var(--black);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  background: rgba(255, 255, 255, 0.96);
}

.header__inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav {
  margin-left: auto;
}

.nav__list {
  display: flex;
  gap: 1.25rem;
}

.nav__list a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  position: relative;
}

.nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}

.nav__list a:hover::after,
.nav__list a:focus-visible::after {
  transform: scaleX(1);
}

.header__cta {
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  padding: 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 6px 0;
  background: var(--black);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  transform: scale(1.04);
  animation: heroZoom 14s var(--ease) forwards;
}

.hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.86) 0%, rgba(0, 0, 0, 0.62) 52%, rgba(0, 0, 0, 0.38) 100%),
    linear-gradient(0deg, rgba(0, 0, 0, 0.8) 0%, transparent 52%),
    linear-gradient(135deg, rgba(245, 196, 0, 0.22), transparent 40%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: clamp(3.25rem, 9vw, 6rem) 0 clamp(3rem, 7vw, 5rem);
  max-width: min(100% - 2rem, 46rem);
  margin-left: max(1rem, calc((100% - var(--max)) / 2));
  margin-right: auto;
  width: min(100% - 2.5rem, 46rem);
  box-sizing: border-box;
}

.hero__brand {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1.1rem;
}

.hero__brand-kiss {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 9vw, 5.25rem);
  letter-spacing: 0.02em;
  line-height: 0.95;
  color: var(--yellow);
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.hero__brand-segment {
  font-size: clamp(0.78rem, 1.8vw, 0.95rem);
  font-weight: 800;
  letter-spacing: 0.28em;
  color: var(--white);
}

.hero__title {
  color: var(--white);
  max-width: none;
  width: 100%;
  font-size: clamp(1.45rem, 3.6vw, 2.65rem);
  line-height: 1.2;
  overflow-wrap: anywhere;
  hyphens: none;
  margin-bottom: 0.85rem;
}

.hero__text {
  color: rgba(255, 255, 255, 0.88);
  max-width: 40ch;
  font-size: clamp(0.98rem, 2vw, 1.08rem);
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

@keyframes heroZoom {
  from {
    transform: scale(1.08);
  }
  to {
    transform: scale(1);
  }
}

/* About */
.about__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.about__copy p {
  color: var(--muted);
}

.about__copy p:first-of-type {
  color: var(--ink);
  font-size: 1.08rem;
}

.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.about__tags span {
  background: var(--yellow);
  color: var(--black);
  font-weight: 700;
  font-size: 0.82rem;
  padding: 0.55rem 0.85rem;
}

.about__visuals {
  display: grid;
  gap: 0.85rem;
}

.about__figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.about__figure::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 8px;
  background: var(--yellow);
  z-index: 1;
}

.about__figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
}

.about__figure--secondary img {
  aspect-ratio: 16 / 10;
  object-position: center 40%;
}

/* Products */
.products {
  background:
    linear-gradient(180deg, transparent, rgba(245, 196, 0, 0.08) 30%, transparent 70%),
    var(--paper);
}

.products__showcase {
  margin-bottom: 2rem;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #ececec;
}

.products__showcase img {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  object-position: center;
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.product {
  background: var(--white);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease), box-shadow 0.3s ease, border-color 0.3s ease;
}

.product:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.product--featured {
  border-color: var(--yellow);
  box-shadow: 0 0 0 1px var(--yellow);
}

.product__visual {
  position: relative;
  height: 180px;
  background: #111;
  overflow: hidden;
}

.product__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.5s var(--ease);
}

.product:hover .product__img {
  transform: scale(1.06);
}

.product__capacity {
  position: absolute;
  right: 0.85rem;
  bottom: 0.85rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--yellow);
  letter-spacing: 0.02em;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.55);
}

.product__body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product__body p {
  color: var(--muted);
  font-size: 0.92rem;
}

.product__specs {
  margin: 0 0 1.25rem;
  display: grid;
  gap: 0.35rem;
  font-size: 0.88rem;
}

.product__specs li {
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--line);
}

.product__body .btn {
  margin-top: auto;
}

/* Differentials */
.diff__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.diff {
  background: var(--white);
  border: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.diff--brand {
  border: 0;
  padding: 0;
  background: var(--yellow);
  overflow: visible;
}

.diff--brand img {
  width: 100%;
  height: auto;
  min-height: 0;
  display: block;
  object-fit: contain;
  object-position: center;
}

.diff__photo {
  width: 100%;
  height: 140px;
  object-fit: cover;
}

.diff__body {
  padding: 1.1rem;
}

.diff__body p {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0;
}

/* Production */
.production {
  background: var(--black);
  color: var(--white);
}

.production .eyebrow {
  color: var(--yellow);
}

.production__grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.production__copy p {
  color: rgba(255, 255, 255, 0.78);
}

.production__list {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.75rem;
}

.production__list li {
  padding-left: 1.1rem;
  position: relative;
  font-weight: 600;
}

.production__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--yellow);
}

.production__visual {
  overflow: hidden;
  border-radius: var(--radius);
}

.production__stack {
  display: grid;
  gap: 0.75rem;
}

.production__stack img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  transition: transform 0.6s var(--ease);
}

.production__stack img:hover {
  transform: scale(1.02);
}

/* Quality */
.quality__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1.25rem;
  align-items: stretch;
}

.quality__photo {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
}

.quality__photo img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}

.quality__banner {
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 1rem;
  background:
    linear-gradient(135deg, #171717 0%, #0d0d0d 55%, #1f1a00 100%);
  color: var(--white);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-left: 10px solid var(--yellow);
}

.quality__banner > div:first-child p {
  color: rgba(255, 255, 255, 0.78);
}

.quality__side {
  padding: 0;
  background: var(--yellow);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  place-items: center;
}

.quality__side img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

/* Applications */
.applications__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

.applications__grid .section__head {
  margin-bottom: 0;
}

.apps__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.apps__list li {
  min-height: 72px;
  display: grid;
  place-items: center;
  text-align: center;
  font-weight: 800;
  font-size: 1rem;
  background: var(--white);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.apps__list li::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 4px;
  background: var(--yellow);
  transform: scaleX(0);
  transition: transform 0.3s var(--ease);
}

.apps__list li:hover::before {
  transform: scaleX(1);
}

.applications__photo {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.applications__photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

/* Gallery */
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.gallery__item {
  border: 0;
  padding: 0;
  background: transparent;
  cursor: zoom-in;
  overflow: hidden;
  border-radius: var(--radius);
}

.gallery__item img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.gallery__item:hover img,
.gallery__item:focus-visible img {
  transform: scale(1.06);
}

.gallery__item:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
}

/* CTA band */
.cta-band {
  background:
    linear-gradient(120deg, var(--yellow) 0%, #ffd84a 45%, var(--yellow-deep) 100%);
  padding: clamp(3.5rem, 7vw, 5rem) 0;
  text-align: center;
}

.cta-band__inner {
  max-width: 40rem;
}

.cta-band h2 {
  margin-bottom: 0.5rem;
}

.cta-band p {
  margin-bottom: 1.5rem;
  color: rgba(0, 0, 0, 0.75);
}

/* Contact */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: stretch;
}

.contact__brand {
  font-weight: 800;
  font-size: 1.1rem;
}

.contact address,
.contact__phone {
  color: var(--muted);
  margin-bottom: 1rem;
}

.contact__phone a {
  color: var(--black);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.contact__map {
  min-height: 320px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper);
}

.contact__map iframe {
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: 0;
}

/* Footer */
.footer {
  background: var(--black);
  color: rgba(255, 255, 255, 0.78);
  padding: 3rem 0 2rem;
}

.footer .logo__kiss {
  color: var(--yellow);
}

.footer__brand p {
  margin: 0.75rem 0 0;
  font-weight: 600;
  color: var(--white);
}

.footer__inner {
  display: grid;
  gap: 1.5rem;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__nav a:hover {
  color: var(--yellow);
}

.footer__meta a {
  color: var(--yellow);
  font-weight: 700;
}

.footer__copy {
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.88rem;
}

/* WhatsApp float */
.wa-float {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 90;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: var(--white);
  display: grid;
  place-items: center;
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.45);
  transition: transform 0.25s var(--ease);
}

.wa-float:hover {
  transform: translateY(-3px) scale(1.04);
}

.wa-float:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.9);
  display: grid;
  place-items: center;
  padding: 2rem;
}

.lightbox[hidden] {
  display: none;
}

.lightbox img {
  max-width: min(1100px, 100%);
  max-height: 85vh;
  object-fit: contain;
}

.lightbox__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--black);
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Responsive */
@media (max-width: 1100px) {
  .products__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .diff__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .header__cta {
    display: none;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    margin: 0;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s var(--ease), opacity 0.35s ease;
  }

  .nav.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .nav__list {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 1.25rem 1.25rem;
  }

  .nav__list a {
    display: block;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--line);
  }

  .about__grid,
  .production__grid,
  .quality__grid,
  .applications__grid,
  .contact__grid {
    grid-template-columns: 1fr;
  }

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

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

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

  .hero__content {
    margin-left: 1rem;
  }
}

@media (max-width: 640px) {
  .hero {
    min-height: auto;
  }

  .hero__content {
    width: min(100% - 2rem, 46rem);
    margin-left: 1rem;
    margin-right: 1rem;
    padding-top: 3.5rem;
    padding-bottom: 3rem;
  }

  .hero__title {
    font-size: clamp(1.35rem, 6.2vw, 1.85rem);
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .products__grid,
  .diff__grid,
  .gallery__grid {
    grid-template-columns: 1fr;
  }

  .contact__actions {
    flex-direction: column;
  }

  .contact__actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}