:root {
  --koumei-black: #111111;
  --koumei-white: #ffffff;
  --koumei-grey: #e5e5e5;
  --koumei-light-grey: #f2f2f2;
  --koumei-red: #feaaa0;
  --koumei-light-red: #ffe8e6;
  --koumei-brand-red: #d71920;
  --koumei-dark-red: #8f1d1d;
  --koumei-dark-grey: #a7a9a9;
  --koumei-dark-grey-motif: #c9cccc;
  --red: var(--koumei-brand-red);
  --red-dark: var(--koumei-dark-red);
  --red-tint: var(--koumei-light-red);
  --red-tint-strong: var(--koumei-red);
  --black-tint: var(--koumei-light-grey);
  --black-tint-strong: var(--koumei-grey);
  --black: var(--koumei-black);
  --ink: var(--koumei-black);
  --muted: var(--koumei-black);
  --line: var(--koumei-grey);
  --soft: var(--koumei-light-grey);
  --white: var(--koumei-white);
  --max: 1180px;
  --gutter: clamp(1rem, 3vw, 2rem);
  --page-pad: max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter)));
  --radius: 4px;
  --shadow: 0 22px 60px rgba(17, 17, 17, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(90deg, rgba(17, 17, 17, 0.05) 1px, transparent 1px),
    linear-gradient(180deg, rgba(17, 17, 17, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, transparent, black 18%, black 82%, transparent);
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 3px solid rgba(215, 25, 32, 0.38);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  padding: 0.75rem 1rem;
  background: var(--black);
  color: var(--white);
  border-radius: var(--radius);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(17, 17, 17, 0.08);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  min-height: 76px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  width: min(190px, 44vw);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 1.75rem);
  color: var(--muted);
  font-size: 0.92rem;
}

.desktop-nav a,
.footer__nav a {
  transition: color 160ms ease;
}

.desktop-nav a:hover,
.footer__nav a:hover {
  color: var(--red);
}

.header-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  padding: 8px 16px;
  border: 1px solid var(--red);
  border-radius: var(--radius);
  background: var(--red);
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 700;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--black);
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.mobile-nav {
  display: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 0;
  padding: 8px 16px;
  border: 1px solid var(--red);
  border-radius: var(--radius);
  background: var(--red);
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  background: var(--red);
  color: var(--white);
}

.button--primary:hover {
  background: var(--red-dark);
}

.button--secondary {
  border-color: var(--black);
  background: transparent;
  color: var(--black);
}

.button--ghost {
  border-color: var(--red);
  background: var(--red);
  color: var(--white);
}

.motif {
  display: inline-block;
  width: 3rem;
  aspect-ratio: 1;
  background-image: var(--motif-url, none);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  filter: var(--motif-filter, brightness(0) saturate(100%));
  opacity: var(--motif-opacity, 1);
  flex: 0 0 auto;
}

.section-watermark {
  background-image: var(--watermark-url);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  mask-image: none;
  mask-position: center;
  mask-repeat: no-repeat;
  mask-size: contain;
  -webkit-mask-image: none;
  -webkit-mask-position: center;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-size: contain;
  filter: none;
}

.hero,
.section,
.contact-section,
.footer {
  max-width: none;
  margin: 0 auto;
  padding-inline: var(--page-pad);
}

.hero {
  position: relative;
  overflow: hidden;
  display: block;
  min-height: auto;
  padding-top: clamp(4rem, 7vw, 6rem);
  padding-bottom: clamp(4rem, 7vw, 6rem);
}

.hero__content h1 {
  display: grid;
  gap: 0.1em;
  max-width: 940px;
  margin: 0;
  color: var(--black);
  font-size: clamp(2rem, 3.2vw, 2.48rem);
  line-height: 1.12;
  letter-spacing: 0;
}

.hero__content h1 span {
  white-space: nowrap;
}

.hero__content p {
  max-width: 620px;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.7vw, 1.24rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.section {
  position: relative;
  overflow: hidden;
  padding-top: clamp(3.5rem, 7vw, 5.5rem);
  padding-bottom: clamp(3.5rem, 7vw, 5.5rem);
  border-top: 1px solid var(--line);
}

.hero::before,
.section::before,
.contact-section::before,
.footer::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(90deg, rgba(17, 17, 17, 0.055) 1px, transparent 1px),
    linear-gradient(180deg, rgba(17, 17, 17, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.48;
}

.section-content {
  position: relative;
  z-index: 1;
}

.section-theme-red {
  background-color: var(--koumei-light-red);
}

.section-theme-red .section-watermark {
  color: var(--koumei-red);
}

.section-theme-light-grey {
  background-color: var(--koumei-grey);
}

.section-theme-light-grey .section-watermark {
  color: var(--koumei-light-grey);
}

.section-theme-dark-grey {
  background-color: var(--koumei-dark-grey);
  color: var(--koumei-black);
}

.section-theme-dark-grey .section-watermark {
  color: var(--koumei-dark-grey-motif);
}

.section-theme-white {
  background-color: var(--koumei-white);
}

.section-theme-white .section-watermark {
  color: var(--koumei-light-grey);
}


.soft-card {
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.section-theme-red .soft-card {
  border: 1px solid rgba(254, 170, 160, 0.35);
  background: rgba(255, 255, 255, 0.42);
}

.section-theme-light-grey .soft-card {
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(242, 242, 242, 0.72);
}

.section-theme-dark-grey .soft-card {
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.18);
}

.section__header {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
  align-items: start;
  max-width: 760px;
  margin-bottom: clamp(1.5rem, 4vw, 2.75rem);
}

.section__label {
  display: inline-flex;
  align-items: center;
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.section__label--plain {
  margin-bottom: 1rem;
}

.section h2,
.contact-copy h2 {
  margin: 0;
  color: var(--black);
  font-size: clamp(1.8rem, 2.8vw, 2.1rem);
  line-height: 1.18;
  letter-spacing: 0;
}

.section__header p,
.contact-copy > p {
  max-width: 720px;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.section-watermark {
  position: absolute;
  z-index: 0;
  width: clamp(520px, 65vw, 980px);
  height: clamp(520px, 65vw, 980px);
  opacity: 0.7;
  pointer-events: none;
}

.hero .section-watermark {
  top: 50%;
  right: -18%;
  width: clamp(560px, 68vw, 1050px);
  height: clamp(560px, 68vw, 1050px);
  --watermark-url: url("motifs/watermark-04-light-grey.svg");
  opacity: 0.7;
  transform: translateY(-50%);
}

.about .section-watermark {
  bottom: -28%;
  left: -18%;
  width: clamp(560px, 70vw, 1100px);
  height: clamp(560px, 70vw, 1100px);
  --watermark-url: url("motifs/watermark-05-red.svg");
  opacity: 0.52;
}

.services .section-watermark {
  top: -25%;
  right: -18%;
  width: clamp(560px, 68vw, 1050px);
  height: clamp(560px, 68vw, 1050px);
  --watermark-url: url("motifs/watermark-06-dark-grey.svg");
  opacity: 0.62;
}

.industries .section-watermark {
  top: -25%;
  left: -22%;
  width: clamp(600px, 72vw, 1150px);
  height: clamp(600px, 72vw, 1150px);
  --watermark-url: url("motifs/watermark-04-light-grey.svg");
  opacity: 0.7;
}

.why .section-watermark {
  bottom: -28%;
  right: -18%;
  width: clamp(600px, 72vw, 1150px);
  height: clamp(600px, 72vw, 1150px);
  --watermark-url: url("motifs/watermark-05-red.svg");
  opacity: 0.52;
}

.process .section-watermark {
  top: -30%;
  left: -18%;
  width: clamp(620px, 75vw, 1200px);
  height: clamp(620px, 75vw, 1200px);
  --watermark-url: url("motifs/watermark-06-dark-grey.svg");
  opacity: 0.62;
}

.contact-section .section-watermark {
  top: -20%;
  right: -18%;
  width: clamp(560px, 70vw, 1100px);
  height: clamp(560px, 70vw, 1100px);
  --watermark-url: url("motifs/watermark-04-light-grey.svg");
  opacity: 0.5;
}

.section > :not(.section-watermark),
.hero > :not(.section-watermark),
.contact-section > :not(.section-watermark) {
  position: relative;
  z-index: 1;
}

.audience-panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 3vw, 2rem);
  max-width: 760px;
}

.audience-panels article {
  position: relative;
  overflow: hidden;
  padding: clamp(1.2rem, 3vw, 1.8rem);
  border: 1px solid rgba(254, 170, 160, 0.35);
  border-left: 2px solid rgba(215, 25, 32, 0.42);
  background: rgba(255, 255, 255, 0.42);
  box-shadow: none;
}

.audience-panels h3,
.service-group h3,
.value-list h3,
.process-list h3 {
  margin: 0;
  color: var(--black);
  font-size: 1.2rem;
  line-height: 1.25;
}

.audience-panels p,
.service-card p,
.value-list p,
.process-list p {
  margin: 0.8rem 0 0;
  color: var(--muted);
}

.service-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 3vw, 1.5rem);
  max-width: 760px;
}

.service-group {
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.18);
  box-shadow: none;
}

.service-group__header {
  position: relative;
  z-index: 1;
  display: block;
  margin-bottom: 1rem;
}

.service-group h3 {
  color: var(--red);
}

.service-list {
  position: relative;
  z-index: 1;
  display: grid;
}

.service-card {
  position: relative;
  padding: 1rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.service-card:first-child {
  border-top: 0;
}

.service-card h4 {
  margin: 0;
  color: var(--black);
  font-size: 1.08rem;
}

.simple-list {
  position: relative;
  z-index: 1;
  display: grid;
  max-width: 760px;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.simple-list li,
.simple-list article {
  padding: 0.95rem 0;
  border-top: 1px solid rgba(17, 17, 17, 0.08);
}

.simple-list li:first-child,
.simple-list article:first-child {
  border-top: 0;
}

.industry-list li {
  color: var(--black);
  font-size: 1.08rem;
  font-weight: 800;
}

.process-list {
  counter-reset: process;
}

.process-list li {
  counter-increment: process;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
}

.process-list li::before {
  content: counter(process, decimal-leading-zero);
  color: var(--red);
  font-weight: 900;
}

.process-list h3,
.process-list p {
  grid-column: 2;
}

.process__cta {
  margin-top: 2rem;
}

.section-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.contact-section {
  position: relative;
  display: grid;
  grid-template-columns: 0.82fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding-top: clamp(4.5rem, 10vw, 8rem);
  padding-bottom: clamp(4.5rem, 10vw, 8rem);
  border-top: 1px solid var(--line);
  overflow: hidden;
}

.contact-methods {
  display: grid;
  gap: 0.85rem;
  max-width: 520px;
  margin-top: 2rem;
}

.contact-methods a,
.contact-methods p {
  display: grid;
  gap: 0.15rem;
  margin: 0;
  padding: 0 0 0.85rem;
  border-bottom: 1px solid var(--line);
  word-break: break-word;
}

.contact-methods span {
  color: var(--red);
  font-size: 0.74rem;
  font-weight: 900;
  text-transform: uppercase;
}

.contact-form {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 12px;
  padding: clamp(20px, 3vw, 32px);
  background: var(--white);
  box-shadow: 0 18px 45px rgba(17, 17, 17, 0.06);
}

.form-submit {
  position: relative;
  display: grid;
  justify-items: start;
}

.form-submit .button {
  position: relative;
  z-index: 0;
  width: auto;
  min-height: 42px;
  padding: 10px 16px;
  font-size: 14px;
  justify-content: center;
  text-align: center;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.field {
  display: grid;
  gap: 5px;
}

.field label {
  color: var(--black);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.3;
}

.required-mark {
  color: var(--red);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--black);
  min-height: 40px;
  padding: 8px 12px;
  font-size: 14px;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.field input,
.field select {
  height: 40px;
}

.field textarea {
  min-height: 88px;
  height: 88px;
  padding: 10px 12px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(215, 25, 32, 0.1);
  outline: 0;
}

.field-error {
  min-height: 1.2em;
  margin: 0;
  color: var(--red-dark);
  font-size: 12px;
  line-height: 1.3;
}

.consent {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
  align-items: start;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
  margin-top: 4px;
}

.consent input {
  width: 1rem;
  height: 1rem;
  margin-top: 0.2rem;
  accent-color: var(--red);
}

.hidden-field {
  position: absolute;
  left: -9999px;
}

.form-status {
  display: none;
  margin: 0;
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: 12px;
  line-height: 1.35;
  font-weight: 700;
}

.form-status.is-visible {
  display: block;
}

.form-status--success {
  background: var(--koumei-light-grey);
  color: var(--koumei-black);
}

.form-status--error {
  background: var(--koumei-light-red);
  color: var(--red-dark);
}

.footer {
  position: relative;
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(150px, auto);
  gap: 2rem;
  overflow: hidden;
  padding-top: 3rem;
  padding-bottom: 3rem;
  border-top: 1px solid var(--line);
}

.footer__brand,
.footer__nav,
.footer__subfooter {
  position: relative;
  z-index: 1;
}

.footer__brand img {
  width: 180px;
}

.footer__brand > p {
  max-width: 320px;
  margin: 1rem 0 0;
}

.footer__brand > p,
.footer__legal,
.footer__registration {
  color: var(--muted);
}

.footer__nav {
  display: grid;
  align-content: start;
  gap: 0.55rem;
}

.footer__nav {
  justify-self: end;
  text-align: right;
}

.footer__subfooter {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.25rem;
}

.footer__legal,
.footer__registration {
  margin: 0;
  font-size: 0.86rem;
}

.footer__legal a {
  color: var(--black);
  font-weight: inherit;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.footer__registration {
  text-align: right;
}

/* legacy */
.footer__legal {
  grid-column: 1 / -1;
}

.sticky-whatsapp {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 12;
  display: none;
  align-items: center;
  justify-content: center;
  min-height: 0;
  min-width: 0;
  padding: 8px 16px;
  border-radius: var(--radius);
  background: var(--red);
  color: var(--white);
  box-shadow: 0 12px 30px rgba(215, 25, 32, 0.28);
  font-weight: 700;
}

@media (max-width: 980px) {
  .desktop-nav,
  .header-whatsapp {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .mobile-nav {
    display: grid;
    max-height: 0;
    overflow: hidden;
    border-top: 0 solid var(--line);
    transition: max-height 180ms ease;
  }

  .mobile-nav.is-open {
    max-height: 420px;
    border-top-width: 1px;
  }

  .mobile-nav a {
    padding: 1rem var(--gutter);
    border-bottom: 1px solid var(--line);
    font-weight: 800;
  }

  .hero,
  .section__header,
  .service-columns,
  .contact-section,
  .footer {
    grid-template-columns: 1fr;
  }

  .footer__nav {
    justify-self: start;
    text-align: left;
  }

  .footer__subfooter {
    display: grid;
    justify-content: start;
  }

  .footer__registration {
    text-align: left;
  }

  .sticky-whatsapp {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  html {
    scroll-padding-top: 70px;
  }

  .site-header__inner {
    min-height: 66px;
  }

  .brand {
    width: 165px;
  }

  .hero {
    padding-top: 3.2rem;
  }

  .hero__content h1 {
    max-width: 100%;
    font-size: clamp(2rem, 8vw, 2.4rem);
    line-height: 1.12;
  }

  .hero__content h1 span {
    white-space: normal;
  }

  .hero__actions,
  .form-grid {
    display: grid;
  }

  .hero__actions .button {
    width: 100%;
  }

  .audience-panels,
  .service-columns {
    grid-template-columns: 1fr;
  }

  .service-group__header {
    display: grid;
  }

  .footer {
    padding-bottom: 6rem;
  }

  .footer__nav {
    justify-self: start;
    text-align: left;
  }
}


@media (max-width: 768px) {
  .section-watermark {
    width: clamp(260px, 36vw, 520px);
    height: clamp(260px, 36vw, 520px);
    opacity: 0.78;
  }

  .hero .section-watermark {
    top: -80px;
    right: -100px;
    bottom: auto;
    left: auto;
    width: clamp(320px, 42vw, 620px);
    height: clamp(320px, 42vw, 620px);
    opacity: 0.78;
    transform: none;
  }

  .about .section-watermark {
    top: auto;
    right: auto;
    bottom: -120px;
    left: -120px;
    width: clamp(300px, 40vw, 560px);
    height: clamp(300px, 40vw, 560px);
    opacity: 0.68;
    transform: none;
  }

  .services .section-watermark {
    top: -100px;
    right: -80px;
    bottom: auto;
    left: auto;
    width: clamp(300px, 38vw, 540px);
    height: clamp(300px, 38vw, 540px);
    opacity: 0.75;
    transform: none;
  }

  .industries .section-watermark {
    top: -100px;
    right: auto;
    bottom: auto;
    left: -120px;
    width: clamp(300px, 40vw, 560px);
    height: clamp(300px, 40vw, 560px);
    opacity: 0.78;
    transform: none;
  }

  .why .section-watermark {
    top: auto;
    right: -100px;
    bottom: -100px;
    left: auto;
    width: clamp(300px, 40vw, 560px);
    height: clamp(300px, 40vw, 560px);
    opacity: 0.68;
    transform: none;
  }

  .process .section-watermark {
    top: -120px;
    right: auto;
    bottom: auto;
    left: -100px;
    width: clamp(320px, 42vw, 580px);
    height: clamp(320px, 42vw, 580px);
    opacity: 0.78;
    transform: none;
  }

  .contact-section .section-watermark {
    top: -80px;
    right: -100px;
    bottom: auto;
    left: auto;
    width: clamp(300px, 38vw, 540px);
    height: clamp(300px, 38vw, 540px);
    opacity: 0.65;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}