:root {
color-scheme: light;
--bg: #ffffff;
--bg-soft: #f7f9fc;
--surface: #fbfcfe;
--surface-strong: #f1f5fa;
--text: #111827;
--text-muted: #4b5b6b;
--text-soft: #6b7886;
--line: rgba(17, 24, 39, 0.08);
--line-strong: rgba(17, 24, 39, 0.14);
--accent: #0a68d8;
--accent-strong: #084fb2;
--accent-soft: rgba(10, 104, 216, 0.1);
--shadow-soft: 0 22px 70px rgba(17, 24, 39, 0.07);
--max-width: 1240px;
--wide-width: 1380px;
--section-space: clamp(4.5rem, 7.5vw, 7.25rem);
--header-height: 4.75rem;
--radius-large: 30px;
--radius-medium: 22px;
}

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

html {
scroll-behavior: smooth;
}

body {
margin: 0;
min-width: 320px;
overflow-x: hidden;
overflow-x: clip;
background: var(--bg);
color: var(--text);
font-family:
"SF Pro Display",
"SF Pro Text",
"Helvetica Neue",
"Segoe UI Variable",
"Segoe UI",
sans-serif;
line-height: 1.6;
-webkit-font-smoothing: antialiased;
text-rendering: optimizeLegibility;
}

body.nav-open {
overflow: hidden;
}

a,
button {
font: inherit;
}

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

p,
h1,
h2,
h3,
figure {
margin: 0;
}

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

main,
section,
header,
footer {
overflow-x: clip;
}

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

.wide-container {
width: min(calc(100% - 2rem), var(--wide-width));
}

.section {
padding: var(--section-space) 0;
}

.site-header {
position: sticky;
top: 0;
z-index: 50;
background: rgba(255, 255, 255, 0.98);
border-bottom: 1px solid transparent;
transition:
border-color 180ms ease,
box-shadow 180ms ease;
}

.site-header.is-scrolled,
.site-header.nav-open {
border-bottom-color: var(--line);
box-shadow: 0 14px 42px rgba(17, 24, 39, 0.045);
}

.header-inner {
min-height: var(--header-height);
display: flex;
align-items: center;
justify-content: space-between;
gap: 1rem;
}

.brand {
flex: 0 1 auto;
min-width: 0;
color: var(--text);
font-size: 1rem;
font-weight: 650;
letter-spacing: -0.02em;
white-space: nowrap;
}

.site-nav {
display: flex;
align-items: center;
gap: clamp(1rem, 2vw, 1.7rem);
min-width: 0;
}

.site-nav a {
position: relative;
color: var(--text-muted);
font-size: 0.97rem;
transition: color 180ms ease;
}

.site-nav a::after {
content: "";
position: absolute;
left: 0;
bottom: -0.36rem;
width: 100%;
height: 1px;
transform: scaleX(0.32);
transform-origin: left center;
opacity: 0;
background: var(--accent);
transition:
opacity 180ms ease,
transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"],
.brand:hover,
.brand:focus-visible,
.site-footer a:hover,
.site-footer a:focus-visible {
color: var(--text);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a[aria-current="page"]::after {
transform: scaleX(1);
opacity: 1;
}

.nav-toggle {
display: none;
align-items: center;
gap: 0.7rem;
max-width: 100%;
padding: 0.66rem 0.9rem;
border: 1px solid var(--line);
border-radius: 999px;
background: var(--bg);
color: var(--text);
cursor: pointer;
transition:
border-color 180ms ease,
background-color 180ms ease,
transform 180ms ease;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
border-color: var(--line-strong);
background: var(--bg-soft);
transform: translateY(-1px);
}

.nav-toggle-label {
font-size: 0.94rem;
font-weight: 600;
letter-spacing: -0.02em;
}

.nav-toggle-icon {
position: relative;
width: 1rem;
height: 0.9rem;
flex: 0 0 auto;
}

.nav-toggle-icon span {
position: absolute;
left: 0;
width: 100%;
height: 1.5px;
border-radius: 999px;
background: currentColor;
transition:
top 180ms ease,
transform 180ms ease;
}

.nav-toggle-icon span:first-child {
top: 0.2rem;
}

.nav-toggle-icon span:last-child {
top: 0.62rem;
}

.site-header.nav-open .nav-toggle-icon span:first-child {
top: 0.42rem;
transform: rotate(45deg);
}

.site-header.nav-open .nav-toggle-icon span:last-child {
top: 0.42rem;
transform: rotate(-45deg);
}

.app-hero {
padding: clamp(1.4rem, 3.2vw, 3.2rem) 0 0;
}

.carousel {
width: 100%;
min-width: 0;
animation: fade-up 760ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.carousel-frame {
position: relative;
overflow: hidden;
aspect-ratio: 16 / 9;
border: 1px solid var(--line);
border-radius: var(--radius-large);
background: var(--surface-strong);
box-shadow: var(--shadow-soft);
}

.carousel-track {
display: flex;
width: 100%;
height: 100%;
min-width: 0;
transform: translate3d(0, 0, 0);
transition: transform 720ms cubic-bezier(0.22, 1, 0.36, 1);
will-change: transform;
}

.carousel-slide {
position: relative;
flex: 0 0 100%;
width: 100%;
height: 100%;
min-width: 0;
overflow: hidden;
background: var(--surface-strong);
}

.carousel-media {
display: block;
width: 100%;
height: 100%;
max-width: none;
object-fit: cover;
object-position: center;
}

.carousel-video {
background: #000000;
}

.carousel-control {
position: absolute;
top: 50%;
z-index: 2;
width: 2.75rem;
height: 2.75rem;
display: inline-grid;
place-items: center;
border: 1px solid rgba(17, 24, 39, 0.1);
border-radius: 999px;
background: rgba(255, 255, 255, 0.94);
color: var(--text);
cursor: pointer;
transform: translateY(-50%);
transition:
background-color 180ms ease,
border-color 180ms ease,
color 180ms ease,
transform 180ms ease;
}

.carousel-control:hover,
.carousel-control:focus-visible {
border-color: rgba(10, 104, 216, 0.22);
background: #ffffff;
color: var(--accent-strong);
transform: translateY(-50%) scale(1.03);
}

.carousel-control-prev {
left: clamp(0.75rem, 1.8vw, 1.35rem);
}

.carousel-control-next {
right: clamp(0.75rem, 1.8vw, 1.35rem);
}

.carousel-meta {
display: flex;
align-items: center;
justify-content: space-between;
gap: 1rem;
margin-top: 0.95rem;
min-width: 0;
}

.carousel-status {
color: var(--text-soft);
font-size: 0.9rem;
}

.carousel-dots {
display: flex;
flex-wrap: wrap;
justify-content: flex-end;
gap: 0.35rem;
min-width: 0;
}

.carousel-dot {
width: clamp(1.15rem, 2vw, 1.8rem);
height: 0.16rem;
padding: 0;
border: 0;
border-radius: 999px;
background: rgba(17, 24, 39, 0.16);
cursor: pointer;
transition:
background-color 180ms ease,
transform 180ms ease;
}

.carousel-dot:hover,
.carousel-dot:focus-visible,
.carousel-dot.is-active {
background: var(--accent);
}

.carousel-dot.is-active {
transform: scaleX(1.08);
}

.app-summary {
padding-top: clamp(3.5rem, 6vw, 5.5rem);
}

.app-summary-inner {
max-width: 860px;
margin-inline: auto;
text-align: center;
}

.eyebrow {
margin-bottom: 1rem;
color: var(--accent);
font-size: 0.82rem;
font-weight: 720;
letter-spacing: 0.12em;
text-transform: uppercase;
}

h1,
h2,
h3 {
color: var(--text);
letter-spacing: -0.045em;
line-height: 1.05;
text-wrap: balance;
}

.app-summary h1,
.page-hero h1 {
font-size: clamp(2.7rem, 6.2vw, 5.8rem);
}

.lead,
.page-hero p:last-child {
color: var(--text-muted);
font-size: clamp(1.08rem, 1.45vw, 1.28rem);
text-wrap: pretty;
}

.lead {
max-width: 48rem;
margin: 1.35rem auto 0;
}

.download-block {
display: grid;
justify-items: center;
gap: 0.85rem;
margin-top: 2rem;
}

.download-note {
color: var(--text-soft);
font-size: 0.92rem;
}

.button {
display: inline-flex;
align-items: center;
justify-content: center;
max-width: 100%;
min-height: 3.25rem;
padding: 0.85rem 1.45rem;
border: 1px solid transparent;
border-radius: 999px;
font-size: 0.98rem;
font-weight: 650;
letter-spacing: -0.02em;
text-align: center;
transition:
background-color 180ms ease,
border-color 180ms ease,
box-shadow 180ms ease,
color 180ms ease,
transform 180ms ease;
}

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

.button-primary {
background: var(--accent);
color: #ffffff;
box-shadow: 0 14px 30px rgba(10, 104, 216, 0.18);
}

.button-primary:hover,
.button-primary:focus-visible {
background: var(--accent-strong);
box-shadow: 0 16px 34px rgba(10, 104, 216, 0.2);
}

.page-hero {
padding: clamp(4.6rem, 8vw, 7.4rem) 0 clamp(3rem, 5vw, 4.7rem);
border-bottom: 1px solid var(--line);
background: linear-gradient(180deg, #ffffff 0%, #fbfcfe 100%);
}

.page-hero-inner {
max-width: 880px;
}

.page-hero p:last-child {
max-width: 48rem;
margin-top: 1.35rem;
}

.services-grid,
.work-grid,
.about-layout {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 1.25rem;
}

.about-layout {
grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
align-items: start;
}

.service-card,
.work-card,
.about-card,
.quiet-card,
.contact-card,
.split-panel {
min-width: 0;
border: 1px solid var(--line);
border-radius: var(--radius-large);
background: linear-gradient(
180deg,
rgba(255, 255, 255, 0.96),
rgba(247, 249, 252, 0.96)
);
}

.service-card,
.work-card,
.about-card,
.quiet-card {
padding: clamp(1.5rem, 3vw, 2.2rem);
}

.service-card h2,
.work-card h2,
.quiet-card h2,
.contact-copy h2,
.split-panel h2 {
font-size: clamp(1.35rem, 2.5vw, 2rem);
}

.service-card p,
.work-card p,
.quiet-card p,
.about-card p,
.contact-copy p,
.split-panel p {
margin-top: 1rem;
color: var(--text-muted);
font-size: 1.02rem;
text-wrap: pretty;
}

.service-card,
.work-card {
transition:
border-color 200ms ease,
box-shadow 200ms ease,
transform 200ms ease;
}

.service-card:hover,
.work-card:hover {
border-color: rgba(10, 104, 216, 0.18);
box-shadow: 0 18px 42px rgba(17, 24, 39, 0.06);
transform: translateY(-2px);
}

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

.work-card-muted {
background: #ffffff;
}

.text-link {
display: inline-flex;
margin-top: 1.35rem;
color: var(--accent);
font-weight: 650;
letter-spacing: -0.02em;
transition: color 180ms ease;
}

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

.about-lead {
color: var(--text);
font-size: clamp(1.2rem, 2.2vw, 1.7rem);
font-weight: 520;
letter-spacing: -0.03em;
line-height: 1.36;
}

.section-muted {
border-top: 1px solid var(--line);
background: #fbfcfe;
}

.split-panel {
display: grid;
grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
gap: clamp(1.5rem, 4vw, 4rem);
align-items: end;
padding: clamp(1.7rem, 4vw, 3rem);
}

.contact-card {
display: grid;
grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
gap: clamp(1.5rem, 4vw, 4rem);
align-items: end;
padding: clamp(1.7rem, 4vw, 3rem);
}

.contact-copy,
.contact-actions {
min-width: 0;
}

.contact-actions {
display: grid;
justify-items: start;
gap: 1rem;
}

.contact-email {
max-width: 100%;
color: var(--text);
font-size: clamp(1.1rem, 2vw, 1.5rem);
font-weight: 650;
letter-spacing: -0.03em;
overflow-wrap: anywhere;
transition: color 180ms ease;
}

.contact-email:hover,
.contact-email:focus-visible {
color: var(--accent-strong);
}

.site-footer {
padding: 1.5rem 0 2rem;
border-top: 1px solid var(--line);
}

.footer-inner {
display: flex;
flex-wrap: wrap;
align-items: center;
justify-content: space-between;
gap: 0.75rem 1.5rem;
color: var(--text-muted);
font-size: 0.94rem;
}

.footer-inner > * {
min-width: 0;
overflow-wrap: anywhere;
}

.site-footer a {
transition: color 180ms ease;
}

.policy-shell {
display: grid;
}

.policy-card {
max-width: 840px;
margin-inline: auto;
padding: clamp(1.7rem, 4vw, 2.7rem);
border: 1px solid var(--line);
border-radius: var(--radius-large);
background: linear-gradient(
180deg,
rgba(255, 255, 255, 0.98),
rgba(247, 249, 252, 0.96)
);
}

.policy-card p {
color: var(--text-muted);
font-size: 1.02rem;
text-wrap: pretty;
}

.policy-card p + p {
margin-top: 1rem;
}

.policy-meta {
color: var(--text);
}

.policy-link {
color: var(--accent);
font-weight: 600;
overflow-wrap: anywhere;
}

.policy-link:hover,
.policy-link:focus-visible {
color: var(--accent-strong);
}

:focus-visible {
outline: 2px solid rgba(10, 104, 216, 0.32);
outline-offset: 3px;
}

@keyframes fade-up {
from {
opacity: 0;
transform: translateY(18px);
}

to {
opacity: 1;
transform: translateY(0);
}
}

@media (max-width: 1080px) {
.services-grid {
grid-template-columns: repeat(2, minmax(0, 1fr));
}

.about-layout,
.contact-card,
.split-panel,
.work-grid {
grid-template-columns: minmax(0, 1fr);
}
}

@media (max-width: 860px) {
.header-inner {
min-height: auto;
padding: 0.9rem 0;
flex-wrap: wrap;
}

.nav-toggle {
display: inline-flex;
}

.site-nav {
width: 100%;
display: grid;
gap: 0.3rem;
max-height: 0;
overflow: hidden;
opacity: 0;
visibility: hidden;
padding: 0;
border-top: 1px solid transparent;
transition:
max-height 250ms ease,
opacity 180ms ease,
padding 180ms ease,
visibility 180ms step-end,
border-color 180ms ease;
}

.site-header.nav-open .site-nav {
max-height: 19rem;
opacity: 1;
visibility: visible;
padding-top: 0.85rem;
padding-bottom: 0.15rem;
border-top-color: var(--line);
transition:
max-height 260ms ease,
opacity 180ms ease,
padding 180ms ease,
visibility 0ms step-start,
border-color 180ms ease;
}

.site-nav a {
padding: 0.58rem 0;
font-size: 1rem;
}

.site-nav a::after {
bottom: 0.32rem;
}
}

@media (max-width: 720px) {
.container,
.wide-container {
width: min(calc(100% - 1.4rem), var(--max-width));
}

.app-hero {
padding-top: 1rem;
}

.carousel-frame,
.service-card,
.work-card,
.about-card,
.quiet-card,
.contact-card,
.split-panel,
.policy-card {
border-radius: 22px;
}

/*
Keep the carousel at 16:9 on smaller screens so the
1920 × 1080 demonstration video fills it without cropping.
*/
.carousel-frame {
aspect-ratio: 16 / 9;
}

.carousel-control {
width: 2.4rem;
height: 2.4rem;
}

.carousel-meta {
align-items: flex-start;
flex-direction: column;
}

.carousel-dots {
justify-content: flex-start;
}

.app-summary h1,
.page-hero h1 {
font-size: clamp(2.35rem, 11vw, 3.75rem);
}

.lead,
.page-hero p:last-child,
.service-card p,
.work-card p,
.quiet-card p,
.about-card p,
.contact-copy p,
.split-panel p,
.policy-card p {
font-size: 1rem;
}

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

.button {
width: 100%;
}
}

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

*,
*::before,
*::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
scroll-behavior: auto !important;
}
}