:root {
  --font-sans: "Manrope", "Inter", "Helvetica Neue", Arial, sans-serif;
  --color-bg: #0f1116;
  --color-surface: #171a21;
  --color-soft: #1f2330;
  --color-ink: #f9fafc;
  --color-muted: #a4afc2;
  --color-line: rgba(249, 250, 252, 0.08);
  --color-line-strong: rgba(249, 250, 252, 0.16);
  --color-accent: #ff7f6d;
  --color-accent-soft: rgba(255, 127, 109, 0.22);
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --transition: 220ms ease;
  --header-height: 82px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  background-color: var(--color-bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-ink);
  font-size: 1rem;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: background-color var(--transition), color var(--transition);
}

main {
  flex: 1;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

a:hover,
a:focus-visible {
  color: var(--color-accent);
}

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

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.6rem, 5.4vw, 3.8rem);
  line-height: 1.05;
}

h2 {
  font-size: clamp(2rem, 4.2vw, 2.8rem);
  line-height: 1.12;
}

h3 {
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  line-height: 1.2;
}

p {
  margin: 0;
  color: var(--color-muted);
}

::selection {
  background: var(--color-accent);
  color: #fff;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translate(-50%, -140%);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  padding: 0.7rem 1.3rem;
  border-radius: var(--radius-sm);
  z-index: 999;
  transition: transform var(--transition), box-shadow var(--transition);
}

.skip-link:focus-visible {
  outline: none;
  transform: translate(-50%, 0);
  box-shadow: 0 24px 44px rgba(17, 24, 39, 0.18);
}

.shell {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.8rem 1.55rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), transform var(--transition), border-color var(--transition);
}

.button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.button--primary {
  background: linear-gradient(120deg, var(--color-accent), #ff8667);
  color: #fff;
}

.button--primary:hover,
.button--primary:focus-visible {
  transform: translateY(-2px);
}

.button--ghost {
  background: var(--color-surface);
  border-color: var(--color-line);
  color: var(--color-ink);
}

.button--ghost:hover,
.button--ghost:focus-visible {
  border-color: var(--color-line-strong);
}

.button--plain {
  padding: 0.3rem 0;
  border-radius: 0;
  border: 0;
  font-weight: 600;
  color: inherit;
  position: relative;
}

.button--plain::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0.3);
  transform-origin: left;
  transition: transform var(--transition), opacity var(--transition);
  opacity: 0.4;
}

.button--plain:hover::after,
.button--plain:focus-visible::after {
  transform: scaleX(1);
  opacity: 0.9;
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: var(--color-bg);
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  border-bottom: 1px solid var(--color-line);
  transition: box-shadow var(--transition), background-color var(--transition), border-color var(--transition);
}

.header.is-elevated {
  box-shadow: 0 32px 46px rgba(15, 17, 22, 0.12);
}

.header__bar {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand__mark {
  height: 44px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.nav__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  cursor: pointer;
  transition: border-color var(--transition), background-color var(--transition);
}

.nav__toggle:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.nav__toggle:hover {
  border-color: var(--color-line-strong);
}

.nav__bar {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  align-self: center;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 17, 22, 0.32);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.nav__overlay[data-open="true"] {
  opacity: 1;
  pointer-events: auto;
}

.nav__panel {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow: 0 28px 48px rgba(15, 17, 22, 0.18);
  transform: translateY(-16px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition), opacity var(--transition);
  padding: 1.8rem 0 2.4rem;
}

.nav__panel[data-open="true"] {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.nav__panel-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  width: min(92vw, 420px);
  margin: 0 auto;
}

.nav__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.nav__list a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav__panel-footer {
  display: flex;
  justify-content: flex-start;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.header__lang {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem;
  border-radius: 999px;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
}

.lang__button {
  border: 0;
  background: transparent;
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition);
}

.lang__button:hover,
.lang__button:focus-visible {
  color: var(--color-ink);
}

.lang__button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.lang__button[aria-pressed="true"] {
  background: var(--color-ink);
  color: var(--color-bg);
}

body.is-menu-open {
  overflow: hidden;
}

.hero {
  padding: clamp(4rem, 6vw, 6.5rem) 0 4rem;
}

.hero__inner {
  display: grid;
  gap: clamp(2.4rem, 4vw, 3.4rem);
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.hero__kicker {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-muted);
}

.hero__copy {
  max-width: 540px;
  font-size: 1.1rem;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.hero__metrics {
  display: grid;
  gap: 1.2rem;
  font-size: 0.95rem;
}

.hero__metrics div {
  display: grid;
  gap: 0.3rem;
}

.hero__metrics dt {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-ink);
}

.hero__metrics dd {
  margin: 0;
  color: var(--color-muted);
}

.hero__visual {
  position: relative;
  background: var(--color-soft);
  border-radius: var(--radius-xl);
  padding: 1.2rem;
  box-shadow: 0 30px 60px rgba(15, 17, 22, 0.12);
}

.hero__visual img {
  border-radius: var(--radius-lg);
}

.hero__visual figcaption {
  margin-top: 0.9rem;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.section {
  padding: clamp(4.8rem, 8vw, 6.8rem) 0;
}

.section--muted {
  background: var(--color-soft);
}

.section--deep {
  background: var(--color-bg);
  background: color-mix(in srgb, var(--color-ink) 3%, var(--color-bg));
}

.section__header {
  display: grid;
  gap: 1rem;
  margin-bottom: 3.2rem;
}

.section__header--row {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.services {
  display: grid;
  gap: 1.6rem;
}

.tile {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  border: 1px solid var(--color-line);
  display: grid;
  gap: 1.1rem;
  transition: border-color var(--transition), transform var(--transition);
}

.tile:hover {
  border-color: var(--color-line-strong);
  transform: translateY(-4px);
}

.tile ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.55rem;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.tile ul li {
  position: relative;
  padding-left: 1.1rem;
}

.tile ul li::before {
  content: "";
  position: absolute;
  top: 0.6em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.approach {
  display: grid;
  gap: 2.6rem;
}

.approach__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.6rem;
}

.approach__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.3rem;
  align-items: start;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 1.4rem;
}

.approach__list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.approach__step {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-muted);
  letter-spacing: 0.2em;
}

.approach__note {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1.8rem 2rem;
  border: 1px solid var(--color-line);
  max-width: 480px;
}

.partner-grid {
  display: grid;
  gap: 1.4rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
}

.partner {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  border: 1px solid var(--color-line);
  min-height: 120px;
}

.partner img {
  width: min(140px, 60%);
  filter: grayscale(100%) contrast(1.1);
  opacity: 0.8;
}

.partner img[src$="kappa_black.png"] {
  filter: brightness(0) invert(1);
  opacity: 1;
}

.testimonials {
  display: grid;
  gap: 1.6rem;
}

.quote {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1.8rem 2rem;
  border: 1px solid var(--color-line);
  display: grid;
  gap: 1.2rem;
  font-size: 1.05rem;
}

.quote span {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.contact {
  display: grid;
  gap: 2.6rem;
}

.contact__form,
.contact__info {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  border: 1px solid var(--color-line);
}

.field {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 1.4rem;
}

.field:last-of-type {
  margin-bottom: 2rem;
}

label {
  font-weight: 600;
  color: var(--color-ink);
}

input,
textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-line);
  background: transparent;
  color: var(--color-ink);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.field__error {
  min-height: 1.1rem;
  font-size: 0.85rem;
  color: var(--color-accent);
}

.field__success {
  margin-top: 1.4rem;
  color: var(--color-ink);
  font-weight: 500;
}

.contact__info {
  display: grid;
  gap: 1.8rem;
}

.contact__card {
  display: grid;
  gap: 0.6rem;
}

.contact__card a {
  font-weight: 600;
  width: fit-content;
}

.contact__meta {
  display: grid;
  gap: 0.9rem;
  color: var(--color-muted);
}

.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--color-line);
  background: var(--color-bg);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  align-items: flex-start;
}

.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.95rem;
  color: var(--color-muted);
}

.noscript {
  margin: 2rem;
  padding: 1.3rem 1.6rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}

@media (min-width: 640px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero__metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .services {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .testimonials {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quote:nth-child(3) {
    grid-column: span 2;
  }
}

@media (min-width: 900px) {
  .nav__toggle {
    display: none;
  }

  .nav__overlay {
    display: none !important;
  }

  .nav__panel {
    position: static;
    transform: none !important;
    opacity: 1 !important;
    pointer-events: auto;
    box-shadow: none;
    padding: 0;
    background: transparent;
  }

  .nav__panel-inner {
    flex-direction: row;
    align-items: center;
    gap: 2rem;
    width: auto;
  }

  .nav__list {
    flex-direction: row;
    gap: 1.4rem;
    font-size: 0.95rem;
  }

  .nav__panel-footer {
    display: none;
  }

  .header__actions {
    gap: 1.2rem;
  }

  .hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .section__header--row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .services {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .approach {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.6fr);
    align-items: start;
  }

  .partner-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .testimonials {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .quote:nth-child(3) {
    grid-column: auto;
  }

  .contact {
    grid-template-columns: minmax(0, 0.7fr) minmax(0, 0.5fr);
  }

  .footer__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (max-width: 480px) {
  .header__actions .header__cta {
    display: none;
  }

  .hero__visual {
    padding: 1rem;
  }

  .partner {
    min-height: 90px;
  }
}