:root {
  --bg: #f6f8fb;
  --bg-soft: #edf1f6;
  --surface: #ffffff;
  --surface-strong: #e8eef4;
  --text: #102033;
  --muted: #526174;
  --line: #d6dfe9;
  --accent: #c7ed7b;
  --accent-contrast: #102033;
  --focus: #557924;
  --radius-lg: 20px;
  --radius-md: 12px;
  --container: 1180px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #0b1726;
  --bg-soft: #101f31;
  --surface: #132438;
  --surface-strong: #1b3047;
  --text: #f2f5f9;
  --muted: #aebdd0;
  --line: #2d4056;
  --focus: #c7ed7b;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Poppins, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

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

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

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: 0.65;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.site-shell {
  min-height: 100vh;
}

.container {
  width: min(var(--container), calc(100% - 3rem));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 3;
  transform: translateY(-200%);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: var(--accent-contrast);
}

.skip-link:focus {
  transform: none;
}

/* Layer 2: navigation; layer 3: keyboard skip link. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.25rem;
  width: min(1280px, calc(100% - 3rem));
  margin-inline: auto;
  border-bottom: 1px solid var(--line);
  padding-block: 1rem;
  background: var(--bg);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 700;
  letter-spacing: -0.04em;
}

.brand-lockup strong,
.brand-lockup small {
  display: block;
  line-height: 1.3;
}

.brand-lockup strong {
  font-size: 0.95rem;
}

.brand-lockup small {
  color: var(--muted);
  font-size: 0.72rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  min-width: 0;
}

.site-nav a {
  padding-block: 0.65rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--text);
}

.header-actions,
.hero-actions {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.toggle-button,
.button,
form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 48px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 0.8rem 1.15rem;
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  transition: transform 160ms ease, background 160ms ease;
}

.button:hover,
form button:not(:disabled):hover {
  background: #d5f49c;
  transform: translateY(-2px);
}

.button:active,
button:not(:disabled):active {
  transform: translateY(1px);
}

.toggle-button {
  min-height: 40px;
  border-color: var(--line);
  padding: 0.55rem 0.65rem;
  background: transparent;
  color: var(--text);
  font-size: 0.76rem;
}

.toggle-button span {
  font-weight: 700;
}

.button-small {
  min-height: 40px;
  padding: 0.6rem 0.85rem;
  font-size: 0.8rem;
}

.button-ghost {
  border-color: var(--line);
  background: transparent;
  color: var(--text);
}

.button-ghost:hover {
  background: var(--surface-strong);
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
}

.eyebrow,
.card-kicker {
  display: block;
  margin-bottom: 0.8rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
}

.hero-copy h1,
.section-heading h2,
.contact-copy h2 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.hero-copy h1 {
  font-size: clamp(3rem, 5.3vw, 4.25rem);
  line-height: 1.08;
}

.hero-copy p {
  max-width: 47ch;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  flex-wrap: wrap;
  margin-top: 1.8rem;
}

.profile-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.availability {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1.1rem;
  color: var(--muted);
  font-size: 0.75rem;
}

.availability span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--focus);
}

.profile-card img {
  width: 100%;
  height: 330px;
  object-fit: cover;
  object-position: center 35%;
}

.profile-info {
  padding: 1rem 1.1rem;
}

.profile-info h2 {
  margin: 0 0 0.25rem;
  font-size: 1.2rem;
  font-weight: 600;
}

.profile-info p {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.6;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  border-block: 1px solid var(--line);
  padding-block: 1.5rem;
}

.stats-strip strong {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 1rem;
  font-weight: 500;
}

.stats-strip span {
  color: var(--muted);
  font-size: 0.82rem;
}

.section-block,
.contact-section {
  padding-block: clamp(3.5rem, 7vw, 6rem);
}

.section-heading {
  max-width: 740px;
  margin-bottom: 2.3rem;
}

.section-heading h2,
.contact-copy h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1.18;
}

.section-heading p,
.contact-copy p {
  max-width: 60ch;
  margin: 1rem 0 0;
  color: var(--muted);
}

.service-grid {
  border-top: 1px solid var(--line);
}

.service-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 2rem;
  border-bottom: 1px solid var(--line);
  padding-block: 1.7rem;
}

.service-card h3 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 500;
}

.service-card p {
  max-width: 63ch;
  margin: 0;
  color: var(--muted);
}

.slider-controls {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.slider-button {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  font-size: 1.15rem;
}

.slider-button:hover {
  background: var(--surface-strong);
}

.project-grid.slider-track,
.demo-grid.slider-track {
  display: grid;
  width: 100%;
  min-width: 0;
  grid-template-columns: none;
  grid-auto-flow: column;
  grid-auto-columns: minmax(330px, 1fr);
  gap: 1rem;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  padding: 0.3rem 0.3rem 1rem;
  scroll-padding-inline: 0.3rem;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--line) var(--bg);
}

.project-card,
.demo-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  scroll-snap-align: start;
}

.project-media {
  background: var(--surface-strong);
}

.project-media img,
.demo-card > img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  object-position: top;
}

.project-body,
.demo-card > div {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: flex-start;
  padding: 1.3rem;
}

.project-body h3,
.demo-card h3 {
  margin: 0 0 1rem;
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.project-brief,
.demo-card p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.87rem;
}

.project-brief strong {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 500;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
  margin-bottom: 1.2rem;
}

.tag-list span {
  border-radius: 6px;
  padding: 0.3rem 0.55rem;
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 0.7rem;
}

.text-link {
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

.text-link:hover {
  text-decoration-thickness: 2px;
}

.demo-section {
  background: var(--bg-soft);
}

.demo-notice {
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.68rem;
}

.demo-card .button {
  margin-top: auto;
}

.demo-quote {
  margin-top: 1.1rem;
  font-size: 0.78rem;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2rem;
}

.process-list article {
  border-top: 1px solid var(--line);
  padding-top: 1.3rem;
}

.process-list span {
  color: var(--muted);
  font-size: 0.85rem;
}

.process-list h3 {
  margin: 1rem 0 0.6rem;
  font-size: 1.1rem;
  font-weight: 500;
}

.process-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: start;
  gap: clamp(2rem, 6vw, 5rem);
  border-top: 1px solid var(--line);
}

.contact-copy > a {
  display: inline-block;
  margin-top: 1.6rem;
  color: var(--muted);
  font-size: 0.85rem;
  text-decoration: underline;
  text-underline-offset: 0.3em;
  overflow-wrap: anywhere;
}

.contact-section form {
  display: grid;
  gap: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.7rem;
  background: var(--surface);
}

label {
  display: grid;
  gap: 0.45rem;
  font-size: 0.85rem;
  font-weight: 500;
}

input,
textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 0.85rem 0.9rem;
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

.form-status {
  min-height: 1.4rem;
  margin: 0;
  color: var(--text);
  font-size: 0.88rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding-block: 1.8rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.site-footer span {
  color: var(--text);
  font-weight: 600;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 1120px) {
  .site-header {
    grid-template-columns: 1fr auto;
    gap: 0.4rem 1rem;
    padding-block: 0.8rem;
  }

  .site-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    gap: 1.5rem;
  }

  .hero-copy h1 {
    font-size: clamp(2.8rem, 5.5vw, 3.6rem);
  }

  .profile-card img {
    height: 310px;
  }

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

  .project-grid.slider-track,
  .demo-grid.slider-track {
    grid-auto-columns: calc((100% - 1rem) / 2);
  }
}

@media (max-width: 760px) {
  html {
    scroll-padding-top: 1rem;
  }

  .container,
  .site-header {
    width: calc(100% - 2rem);
  }

  .site-header {
    position: static;
    gap: 0.65rem;
  }

  .brand-lockup strong {
    font-size: 0.85rem;
  }

  .brand-lockup small,
  .header-cta {
    display: none;
  }

  .header-actions {
    gap: 0.4rem;
  }

  .toggle-button {
    min-height: 44px;
    padding: 0.55rem;
    font-size: 0.72rem;
  }

  .site-nav {
    flex-wrap: wrap;
    column-gap: 1rem;
    row-gap: 0;
  }

  .site-nav a {
    padding-block: 0.6rem;
    font-size: 0.8rem;
  }

  .hero-section,
  .contact-section {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-section {
    padding-block: 2.5rem;
  }

  .hero-copy h1 {
    max-width: 18ch;
    font-size: clamp(2rem, 8vw, 2.8rem);
  }

  .hero-copy p {
    font-size: 0.97rem;
  }

  .hero-actions {
    gap: 0.65rem;
    margin-top: 1.4rem;
  }

  .hero-actions .button {
    flex: 1 1 auto;
    font-size: 0.82rem;
  }

  .profile-card {
    max-width: 480px;
  }

  .profile-card img {
    height: 320px;
  }

  .stats-strip {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .section-block,
  .contact-section {
    padding-block: 3.25rem;
  }

  .section-heading h2,
  .contact-copy h2 {
    font-size: clamp(1.9rem, 7.5vw, 2.45rem);
  }

  .service-card {
    grid-template-columns: 1fr;
    gap: 0.65rem;
    padding-block: 1.4rem;
  }

  .service-card h3 {
    font-size: 1.2rem;
  }

  .project-grid.slider-track,
  .demo-grid.slider-track {
    grid-auto-columns: 88%;
  }

  .project-media img,
  .demo-card > img {
    height: 185px;
  }

  .project-body,
  .demo-card > div {
    padding: 1.1rem;
  }

  .process-list {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .process-list article {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 1rem;
  }

  .process-list article span {
    grid-row: span 2;
  }

  .process-list h3 {
    margin-top: 0;
  }

  .contact-section form {
    padding: 1.1rem;
  }

  .site-footer {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (max-width: 380px) {
  .brand-mark {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
}

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

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