@font-face {
  font-family: "DM Sans";
  src: url("./fonts/dm-sans-regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "DM Sans";
  src: url("./fonts/dm-sans-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "DM Sans";
  src: url("./fonts/dm-sans-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "DM Sans";
  src: url("./fonts/dm-sans-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("./fonts/jetbrains-mono-regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("./fonts/jetbrains-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  --navy: #0b1220;
  --navy-mid: #131e30;
  --teal: #2cc5b0;
  --teal-dark: #1a8a7a;
  --ice: #f0f6f8;
  --light: #f7f9fb;
  --mist: #e8eef2;
  --slate: #6b7a8d;
  --white: #ffffff;
  --max-width: 1120px;
  --section-space: 120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--navy);
  font-family: "DM Sans", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

button,
input,
textarea {
  font: inherit;
}

a {
  color: inherit;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  letter-spacing: -0.03em;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  line-height: 1.02;
}

h3 {
  margin-bottom: 14px;
  font-size: 1.18rem;
}

p {
  color: var(--slate);
  font-size: 1rem;
  line-height: 1.7;
}

strong {
  color: inherit;
}

.container {
  width: min(calc(100% - 96px), var(--max-width));
  margin: 0 auto;
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 64px;
}

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

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

.section-dark {
  background: var(--navy);
  color: var(--white);
}

.section-light {
  background: var(--light);
}

.section-mid {
  background: rgb(198, 243, 109);
}

.section-label,
.eyebrow {
  color: var(--teal);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.67rem;
  letter-spacing: 0.18em;
  line-height: 1.5;
  text-transform: uppercase;
}

.section-label {
  margin-bottom: 30px;
}

.section-heading {
  align-items: end;
  margin-bottom: 72px;
}

.section-heading > p {
  max-width: 510px;
  margin-bottom: 4px;
  justify-self: end;
}

.large-copy {
  color: var(--navy);
  font-size: clamp(1.35rem, 2.3vw, 1.85rem);
  line-height: 1.45;
}

.section-dark .large-copy,
.section-dark h2,
.section-dark h3 {
  color: var(--white);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border: 0;
  background: var(--teal);
  color: var(--white);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    background-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.button:hover,
.button:focus-visible {
  background: #24b19e;
  box-shadow: 0 10px 24px rgba(44, 197, 176, 0.25);
  transform: translateY(-2px);
}

.button-small {
  min-height: 38px;
  padding: 0 20px;
  font-size: 0.66rem;
}

.site-nav {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  height: 64px;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  border-bottom: 1px solid transparent;
  transition:
    background-color 240ms ease,
    border-color 240ms ease,
    backdrop-filter 240ms ease;
}

.site-nav.is-scrolled {
  border-color: rgba(11, 18, 32, 0.07);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--teal);
  text-decoration: none;
}

.brand-copy {
  display: flex;
  flex-direction: column;
}

.brand-name {
  color: var(--navy);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.brand-tagline {
  margin-top: 2px;
  color: var(--teal-dark);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.53rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  position: relative;
  padding: 8px 0;
  color: var(--navy);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  opacity: 0.62;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    color 180ms ease,
    opacity 180ms ease;
}

.nav-link::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 2px;
  background: var(--teal);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--teal-dark);
  opacity: 1;
}

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

.hero {
  position: relative;
  display: flex;
  min-height: 100vh;
  align-items: center;
  overflow: hidden;
  padding: 124px 0 92px;
}

.hero-background {
  position: absolute;
  inset: 0;
  background-image: url(
    "https://images.unsplash.com/photo-1497436072909-60f360e1d4b1?w=1600&auto=format"
  );
  background-position: center right;
  background-size: cover;
  opacity: 0.045;
}

.neural-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

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

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 46px;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

.hero h1 {
  max-width: 1040px;
  margin-bottom: 0;
  color: var(--navy);
  font-size: clamp(3.5rem, 7.4vw, 6.9rem);
  line-height: 0.98;
}

.hero h1 span {
  display: block;
  color: var(--teal);
}

.hero-lower {
  align-items: start;
  margin-top: 48px;
}

.hero-introduction {
  max-width: 560px;
  color: var(--navy);
  font-size: clamp(1.35rem, 2.3vw, 1.85rem);
  line-height: 1.48;
}

.hero-action {
  max-width: 390px;
  justify-self: end;
}

.hero-action p {
  margin-bottom: 26px;
}

.problem-section,
.audit-section,
.process-section,
.thinking-section,
.consulting-section,
.about-section,
.contact-section {
  padding: var(--section-space) 0;
}

.section-dark p {
  color: rgba(255, 255, 255, 0.62);
}

.problem-grid {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.problem-card {
  min-height: 310px;
  padding: 38px 26px 32px;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.problem-card:first-child {
  padding-left: 0;
}

.problem-card:last-child {
  border-right: 0;
}

.card-number,
.process-step > span {
  display: block;
  margin-bottom: 70px;
  color: var(--teal);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
}

.audit-intro {
  align-items: end;
  margin-bottom: 80px;
}

.price-summary {
  max-width: 420px;
  justify-self: end;
  padding-left: 32px;
  border-left: 2px solid var(--teal);
}

.price {
  color: var(--navy);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
}

.vat {
  margin-left: 8px;
  color: var(--teal-dark);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.price-summary p {
  margin: 14px 0 0;
}

.audit-layout {
  align-items: start;
}

.audit-description {
  max-width: 520px;
}

.audit-description .button {
  margin-top: 18px;
}

.deliverables {
  padding: 42px;
  background: var(--light);
}

.deliverables h3 {
  margin-bottom: 26px;
}

.check-list,
.simple-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.simple-list li {
  position: relative;
  padding: 13px 0 13px 28px;
  border-bottom: 1px solid var(--mist);
  color: var(--slate);
  line-height: 1.5;
}

.check-list li::before {
  position: absolute;
  top: 15px;
  left: 0;
  color: var(--teal-dark);
  content: "✓";
  font-weight: 700;
}

.outcome-panel {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  margin-top: 72px;
  padding: 38px 42px;
  border: 1px solid rgba(44, 197, 176, 0.32);
  background: rgba(44, 197, 176, 0.04);
}

.outcome-panel .section-label {
  margin: 4px 0 0;
}

.outcome-panel > p:last-child {
  margin: 0;
  color: var(--navy);
  font-size: 1.22rem;
}

.process-grid {
  gap: 1px;
  background: var(--mist);
}

.process-step {
  min-height: 300px;
  padding: 34px 28px;
  background: var(--white);
}

.process-step > span {
  margin-bottom: 66px;
}

.principle-grid {
  gap: 1px;
  background: var(--mist);
}

.principle-card {
  min-height: 245px;
  padding: 36px;
  background: var(--white);
}

.principle-card h3 {
  color: var(--navy);
}

.consulting-layout {
  align-items: start;
}

.consulting-card {
  padding: 42px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.035);
}

.consulting-card .price {
  color: var(--white);
}

.consulting-price {
  margin-bottom: 34px;
}

.consulting-card .simple-list li {
  border-color: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.68);
}

.consulting-card .simple-list li::before {
  position: absolute;
  left: 0;
  color: var(--teal);
  content: "—";
}

.text-link {
  display: inline-block;
  margin-top: 30px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--teal);
  color: var(--white);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 180ms ease;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--teal);
}

.about-copy {
  max-width: 560px;
  justify-self: end;
}

.value-grid {
  gap: 30px 36px;
  margin-top: 52px;
}

.value-grid h3 {
  margin-bottom: 8px;
  font-size: 1rem;
}

.value-grid p {
  margin-bottom: 0;
  font-size: 0.9rem;
}

.contact-layout {
  align-items: start;
}

.contact-price {
  display: flex;
  max-width: 440px;
  align-items: center;
  justify-content: space-between;
  margin-top: 42px;
  padding: 24px 0;
  border-top: 1px solid var(--mist);
  border-bottom: 1px solid var(--mist);
  color: var(--slate);
}

.contact-price strong {
  color: var(--navy);
}

.contact-form {
  padding: 42px;
  background: var(--white);
}

.contact-form label {
  display: block;
  margin-bottom: 24px;
  color: var(--navy);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.form-row {
  gap: 20px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 10px;
  padding: 14px 0;
  border: 0;
  border-bottom: 1px solid #ccd6dc;
  border-radius: 0;
  outline: none;
  background: transparent;
  color: var(--navy);
  font-family: "DM Sans", sans-serif;
  font-size: 1rem;
  letter-spacing: normal;
  text-transform: none;
  transition: border-color 180ms ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--teal-dark);
}

.contact-form textarea {
  resize: vertical;
}

.form-button {
  width: 100%;
}

.form-note {
  margin: 16px 0 0;
  font-size: 0.75rem;
}

.form-success {
  padding: 52px 40px;
  border: 1px solid rgba(44, 197, 176, 0.25);
  background: rgba(44, 197, 176, 0.05);
  text-align: center;
}

.form-success-icon {
  display: flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  border: 2px solid var(--teal);
  border-radius: 50%;
  color: var(--teal-dark);
  font-weight: 700;
}

.form-success h3 {
  margin-bottom: 8px;
}

.site-footer {
  padding: 34px 0;
  background: var(--white);
}

.footer-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-layout p {
  margin: 0;
  font-size: 0.75rem;
}

.footer-brand .brand-name {
  font-size: 0.75rem;
}

@media (max-width: 980px) {
  :root {
    --section-space: 96px;
  }

  .nav-links {
    gap: 16px;
  }

  .nav-link:nth-of-type(4) {
    display: none;
  }

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

  .problem-card:nth-child(2) {
    border-right: 0;
  }

  .problem-card:nth-child(3),
  .problem-card:nth-child(4) {
    border-top: 1px solid rgba(255, 255, 255, 0.14);
  }

  .problem-card:nth-child(3) {
    padding-left: 0;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(calc(100% - 48px), var(--max-width));
  }

  .site-nav {
    padding: 0 24px;
  }

  .nav-link {
    display: none;
  }

  .two-column,
  .three-column,
  .audit-intro,
  .audit-layout,
  .consulting-layout,
  .about-layout,
  .contact-layout,
  .form-row {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero {
    min-height: auto;
    padding-top: 142px;
  }

  .hero h1 {
    font-size: clamp(3.25rem, 15vw, 5.2rem);
  }

  .hero-action,
  .section-heading > p,
  .price-summary,
  .about-copy {
    justify-self: start;
  }

  .section-heading,
  .audit-intro {
    margin-bottom: 52px;
  }

  .problem-grid,
  .process-grid,
  .principle-grid {
    grid-template-columns: 1fr;
  }

  .problem-card {
    min-height: auto;
    padding: 34px 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .problem-card:nth-child(3),
  .problem-card:nth-child(4) {
    border-top: 0;
  }

  .card-number,
  .process-step > span {
    margin-bottom: 34px;
  }

  .price-summary {
    padding-left: 24px;
  }

  .deliverables,
  .consulting-card,
  .contact-form {
    padding: 30px 24px;
  }

  .outcome-panel {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 30px 24px;
  }

  .process-step,
  .principle-card {
    min-height: auto;
  }

  .footer-layout {
    align-items: flex-start;
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* Language switcher */
.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--navy);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.language-link {
  color: var(--slate);
  text-decoration: none;
  transition: color 180ms ease;
}

.language-link:hover,
.language-link:focus-visible {
  color: var(--teal-dark);
}

.language-current {
  color: var(--teal-dark);
}

@media (max-width: 760px) {
  .nav-links {
    gap: 12px;
  }

  .language-switch {
    font-size: 0.62rem;
  }

  .button-small {
    padding: 0 14px;
  }
}

/* =========================================
   REFERENCES BOX
   ========================================= */

.references-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;

  width: 100%;
  margin: 3rem 0;

  padding: 1.75rem 2rem;

  background: var(--navy);
  color: #ffffff;

  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
}

.references-content {
  min-width: 0;
}

.references-content .section-label {
  margin-bottom: 0.5rem;
  color: rgba(255, 255, 255, 0.55);
}

.references-content h3 {
  margin: 0 0 0.6rem;
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.35;
}

.references-content p:not(.section-label) {
  max-width: 650px;
  margin: 0;

  font-size: 0.9rem;
  line-height: 1.6;

  color: rgba(255, 255, 255, 0.7);
}

.references-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;

  flex-shrink: 0;

  padding: 0.7rem 1rem;

  color: #ffffff;
  text-decoration: none;

  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;

  font-size: 0.85rem;
  font-weight: 500;

  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
}

.references-link span {
  transition: transform 0.2s ease;
}

.references-link:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-1px);
}

.references-link:hover span {
  transform: translateX(3px);
}


/* =========================================
   MOBILE
   ========================================= */

@media (max-width: 700px) {

  .references-box {
    flex-direction: column;
    align-items: flex-start;

    gap: 1.25rem;

    padding: 1.5rem;
  }

  .references-content h3 {
    font-size: 1.1rem;
  }

  .references-link {
    width: 100%;
    justify-content: space-between;
  }

}
.process-section {
  position: relative;
  overflow: hidden;
}

.process-section .neural-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

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