:root {
  --slate: #2e3440;
  --orange: #e8621a;
  --orange-hover: #d25512;
  --surface: #f6f5f2;
  --white: #ffffff;
  --muted: rgba(46, 52, 64, 0.68);
  --muted-on-dark: rgba(246, 245, 242, 0.72);
  --border: rgba(46, 52, 64, 0.12);
  --border-strong: rgba(46, 52, 64, 0.18);
  --header-h: 5.65rem;
  --max: 72rem;
  --pad-x: clamp(1.25rem, 4vw, 2.5rem);
  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
  --ease: 0.22s ease;
  --shadow: 0 18px 40px rgba(46, 52, 64, 0.08);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--slate);
  background: var(--surface);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}


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

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin: 0;
}

h1 {
  font-size: clamp(2.4rem, 5.4vw, 4.35rem);
}

h2 {
  font-size: clamp(1.9rem, 3.6vw, 3rem);
}

h3 {
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

p {
  margin: 0;
}

a {
  color: inherit;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

address {
  font-style: normal;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  background: var(--orange);
  color: var(--white);
  font-weight: 600;
  text-decoration: none;
}

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

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

.section {
  padding: clamp(4.5rem, 9vw, 7.5rem) 0;
}

.section-header {
  max-width: 40rem;
  margin-bottom: 3.25rem;
}

.section-header h2,
.why-intro h2,
.cta-inner h2 {
  margin: 0.65rem 0 1rem;
}

.section-intro {
  color: var(--muted);
  font-size: 1.125rem;
}

.eyebrow {
  display: inline-block;
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
}

.eyebrow-on-dark {
  color: #f0a06e;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.4rem;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: background var(--ease), color var(--ease), border-color var(--ease),
    transform var(--ease), box-shadow var(--ease);
}

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

.btn:focus-visible,
.nav-links a:focus-visible,
.brand:focus-visible,
.footer-nav a:focus-visible,
.footer-contact a:focus-visible,
.nav-toggle:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.btn-accent {
  background: var(--orange);
  color: var(--white);
}

.btn-accent:hover {
  background: var(--orange-hover);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--slate);
}

.btn-ghost:hover {
  border-color: var(--slate);
  background: var(--slate);
  color: var(--white);
}

.btn-large {
  min-height: 3.35rem;
  padding-inline: 1.7rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  overflow: visible;
  background: rgba(246, 245, 242, 0.92);
  border-bottom: 1px solid transparent;
  transition: background var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.site-header.is-scrolled {
  background: rgba(246, 245, 242, 0.98);
  border-bottom-color: var(--border);
  box-shadow: 0 8px 24px rgba(46, 52, 64, 0.04);
}

.nav-shell {
  position: relative;
  width: min(100% - var(--pad-x) * 2, var(--max));
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo {
  display: block;
  height: 4.5rem;
  width: auto;
  max-width: none;
  flex-shrink: 0;
}

.brand-on-dark {
  color: #f6f5f2;
}

.brand-on-dark .logo-slate {
  color: #f6f5f2;
}

.brand-on-dark .logo-slate-fill {
  fill: #f6f5f2;
}

.brand-on-dark .logo-muted {
  fill: rgba(246, 245, 242, 0.62);
}

.brand-on-dark .brand-logo-footer {
  height: 7rem;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.nav-links a {
  position: relative;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--slate);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.35rem;
  height: 1px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ease);
}

.nav-links a:hover::after,
.nav-links a.is-active::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  flex-shrink: 0;
  margin-left: auto;
  width: 2.6rem;
  height: 2.6rem;
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  background: var(--white);
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  position: relative;
  z-index: 80;
}

.nav-toggle-bar {
  display: block;
  width: 1.05rem;
  height: 1.5px;
  margin: 0;
  background: var(--slate);
  transition: transform var(--ease), opacity var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3.5rem, 8vw, 6.5rem) 0 clamp(4.5rem, 9vw, 7.5rem);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46, 52, 64, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 52, 64, 0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 80% 90% at 75% 50%, black 30%, transparent 78%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.9fr);
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3.5rem);
}

.hero-copy h1 {
  max-width: 11ch;
  margin: 0.85rem 0 1.15rem;
}

.lead {
  max-width: 38rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.85rem;
}

.hero-visual {
  min-width: 0;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.calib-stage {
  position: relative;
  width: min(100%, 28rem);
  margin-inline: auto;
}

.calib-svg {
  display: block;
  width: 100%;
  height: auto;
}

.knob-a {
  animation: slide-a 5.5s ease-in-out infinite;
}

.knob-b {
  animation: slide-b 6.4s ease-in-out infinite;
}

.knob-c {
  animation: slide-c 7s ease-in-out infinite;
}

.knob-d {
  animation: slide-d 5.8s ease-in-out infinite;
}

.services {
  background: var(--white);
  border-top: 1px solid var(--border);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.15rem;
}

.service-card {
  height: 100%;
  padding: 1.6rem 1.4rem 1.7rem;
  border: 1px solid var(--border);
  background: var(--white);
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(232, 98, 26, 0.45);
  box-shadow: var(--shadow);
}

.service-icon {
  width: 2.6rem;
  height: 2.6rem;
  margin-bottom: 1.25rem;
  color: var(--slate);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-card h3 {
  margin-bottom: 0.7rem;
}

.service-card p {
  color: var(--muted);
  font-size: 1rem;
}

.why {
  position: relative;
  background: var(--slate);
  color: var(--white);
  overflow: hidden;
}

.why::before {
  content: "";
  position: absolute;
  width: 28rem;
  height: 28rem;
  right: -8rem;
  top: -10rem;
  border: 1px solid rgba(232, 98, 26, 0.22);
  border-radius: 50%;
  pointer-events: none;
}

.why::after {
  content: "";
  position: absolute;
  width: 18rem;
  height: 18rem;
  right: -2rem;
  top: -4rem;
  border: 1px solid rgba(246, 245, 242, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.why-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.why-intro p:last-child {
  color: var(--muted-on-dark);
  font-size: 1.1rem;
  max-width: 34rem;
}

.why-panel {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.why-panel::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 1.2rem;
  bottom: 1.2rem;
  width: 1px;
  background: var(--orange);
  transform: translateX(-50%);
}

.why-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.5rem 1.4rem;
  border-top: 1px solid rgba(246, 245, 242, 0.1);
}

.why-item:nth-child(1),
.why-item:nth-child(2) {
  border-top: 0;
}

.why-index {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--orange);
  padding-top: 0.25rem;
}

.why-item h3 {
  margin-bottom: 0.45rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.92rem;
}

.why-item p {
  color: var(--muted-on-dark);
  font-size: 0.98rem;
}

.process {
  background: var(--surface);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0.95rem;
  left: 1.1rem;
  right: 1.1rem;
  height: 1px;
  background: linear-gradient(90deg, var(--orange), rgba(46, 52, 64, 0.16));
}

.timeline-step {
  position: relative;
  padding-top: 2.4rem;
}

.timeline-num {
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  background: var(--surface);
  border: 1px solid var(--orange);
  color: var(--orange);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  z-index: 1;
}

.timeline-step h3 {
  margin: 0 0 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.95rem;
}

.timeline-step p {
  color: var(--muted);
}

.cta-band {
  position: relative;
  background: var(--slate);
  color: var(--white);
  padding: clamp(4.5rem, 9vw, 7rem) 0;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: var(--orange);
}

.cta-band::after {
  content: "";
  position: absolute;
  width: 34rem;
  height: 34rem;
  right: -10rem;
  bottom: -16rem;
  border: 1px solid rgba(232, 98, 26, 0.2);
  border-radius: 50%;
  pointer-events: none;
}

.cta-inner {
  position: relative;
  max-width: 42rem;
}

.cta-inner p {
  color: var(--muted-on-dark);
  font-size: 1.15rem;
  margin-bottom: 1.8rem;
}

.site-footer {
  background: #232830;
  color: var(--white);
  padding: 3.5rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 1.1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(246, 245, 242, 0.1);
}

.footer-label {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.footer-nav ul,
.footer-contact ul {
  display: grid;
  gap: 0.55rem;
}

.footer-nav a,
.footer-contact a,
.footer-contact p {
  color: var(--muted-on-dark);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.footer-nav a:hover,
.footer-contact a:hover {
  color: var(--white);
}

.footer-contact li {
  display: grid;
  gap: 0.15rem;
}

.footer-contact span {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(246, 245, 242, 0.42);
}

.footer-bottom {
  padding-top: 1.25rem;
}

.footer-bottom p {
  color: rgba(246, 245, 242, 0.45);
  font-size: 0.88rem;
}

html.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.7s ease forwards;
  animation-play-state: paused;
}

html.js .reveal.is-visible {
  animation-play-state: running;
}

.service-card.reveal:nth-child(2),
.timeline-step.reveal:nth-child(2) {
  animation-delay: 0.08s;
}

.service-card.reveal:nth-child(3),
.timeline-step.reveal:nth-child(3) {
  animation-delay: 0.16s;
}

.service-card.reveal:nth-child(4),
.timeline-step.reveal:nth-child(4) {
  animation-delay: 0.24s;
}

.hero-visual.reveal {
  animation-delay: 0.12s;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes slide-a {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-22px);
  }
}

@keyframes slide-b {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(16px);
  }
}

@keyframes slide-c {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

@keyframes slide-d {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(18px);
  }
}

@media (max-width: 1024px) {
  .service-grid,
  .timeline {
    grid-template-columns: 1fr 1fr;
  }

  .timeline::before {
    top: 0.95rem;
    bottom: 0.95rem;
    left: 0.95rem;
    right: auto;
    width: 1px;
    height: auto;
    background: linear-gradient(180deg, var(--orange), rgba(46, 52, 64, 0.16));
  }

  .timeline-step {
    padding-top: 0;
    padding-left: 3rem;
  }

  .timeline-num {
    left: 0;
    top: 0.15rem;
  }

  .hero-grid {
    gap: 1.5rem;
  }

  .calib-stage {
    width: min(100%, 24rem);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .brand-on-dark .brand-logo-footer {
    height: 6rem;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .primary-nav {
    position: absolute;
    top: calc(100% + 0.45rem);
    right: 0;
    left: auto;
    width: min(17.5rem, calc(100vw - var(--pad-x) * 2));
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    padding: 0.7rem 0.75rem 0.85rem;
    background: var(--white);
    border: 1px solid var(--border);
    box-shadow: 0 14px 36px rgba(46, 52, 64, 0.12);
    transform-origin: top right;
    transform: translateY(-6px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease, visibility 0.2s ease;
  }

  .primary-nav.is-open {
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 0.1rem;
  }

  .nav-links a {
    display: block;
    padding: 0.65rem 0.45rem;
    font-size: 0.92rem;
  }

  .nav-links a::after {
    bottom: 0.35rem;
    left: 0.45rem;
    right: auto;
    width: 1.15rem;
  }

  .nav-cta {
    width: 100%;
  }

  .hero-grid,
  .why-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    max-width: 22rem;
    width: 100%;
    margin-inline: auto;
    justify-content: center;
  }

  .calib-stage {
    width: 100%;
  }

  .hero-copy h1 {
    max-width: none;
  }

  .why-panel::before {
    left: 0.55rem;
    top: 1.4rem;
    bottom: 1.4rem;
    transform: none;
  }

  .why-panel {
    grid-template-columns: 1fr;
  }

  .why-item {
    border-top: 1px solid rgba(246, 245, 242, 0.1);
    padding-left: 1.8rem;
  }

  .why-item:first-child {
    border-top: 0;
  }

  .brand-on-dark .brand-logo-footer {
    height: 5.5rem;
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  :root {
    --header-h: 4.75rem;
  }

  .brand-logo {
    height: 3.25rem;
    max-width: min(11.5rem, 58vw);
    object-fit: contain;
    object-position: left center;
  }

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

  .hero {
    padding: 3rem 0 3.5rem;
  }

  .hero-visual {
    max-width: 19rem;
  }

  .hero-actions,
  .cta-inner .btn {
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .section {
    padding: 3.5rem 0;
  }

  .footer-grid {
    gap: 2rem;
  }
}

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

  html.js .reveal,
  html.js .service-card.reveal,
  html.js .timeline-step.reveal,
  html.js .hero-visual.reveal {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .knob-a,
  .knob-b,
  .knob-c,
  .knob-d,
  .btn,
  .service-card,
  .nav-links a::after,
  .primary-nav {
    animation: none;
    transition: none;
  }

  .btn:hover,
  .service-card:hover {
    transform: none;
  }
}