:root {
  --oc-foundation: #0a2e38;
  --oc-foundation-deep: #061f26;
  --oc-surface: #f7f5f2;
  --oc-surface-2: #efebe4;
  --oc-accent: #00a8e8;
  --oc-accent-dark: #008fc7;
  --oc-ink: #1a2a2f;
  --oc-muted: #5a6b72;
  --oc-white: #ffffff;
  --oc-radius: 0.35rem;
  --oc-font-display: "Syne", sans-serif;
  --oc-font-body: "Figtree", sans-serif;
  --oc-nav-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  margin: 0;
  font-family: var(--oc-font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--oc-ink);
  background:
    radial-gradient(ellipse 80% 50% at 100% 0%, rgba(0, 168, 232, 0.08), transparent 55%),
    radial-gradient(ellipse 60% 40% at 0% 30%, rgba(10, 46, 56, 0.06), transparent 50%),
    var(--oc-surface);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  max-width: 100%;
  position: relative;
}

img {
  max-width: 100%;
  height: auto;
}

main,
.oc-section,
.oc-footer,
.oc-hero {
  max-width: 100%;
}

.oc-hero,
.oc-about {
  overflow-x: clip;
}

a {
  color: var(--oc-accent-dark);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--oc-foundation);
}

/* ---------- Nav ---------- */

.oc-nav {
  z-index: 1040;
  min-height: var(--oc-nav-h);
  background: rgba(247, 245, 242, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  padding-left: max(0.75rem, env(safe-area-inset-left, 0px));
  padding-right: max(0.75rem, env(safe-area-inset-right, 0px));
  width: 100%;
  max-width: 100%;
}

.oc-nav > .container {
  padding-left: 1rem;
  padding-right: 1rem;
  max-width: 100%;
}

.oc-nav.is-scrolled {
  background: rgba(247, 245, 242, 0.96);
  border-bottom-color: rgba(10, 46, 56, 0.08);
  box-shadow: 0 8px 24px rgba(6, 31, 38, 0.06);
}

.oc-brand {
  position: relative;
  z-index: 2;
  cursor: pointer;
}

.oc-logo {
  display: block;
  height: 40px;
  width: auto;
  pointer-events: none;
}

.oc-nav .nav-link {
  font-weight: 600;
  color: var(--oc-foundation);
  padding: 0.5rem 0.75rem;
}

.oc-nav .nav-link:hover,
.oc-nav .nav-link:focus {
  color: var(--oc-accent-dark);
}

.navbar-toggler {
  position: relative;
  z-index: 2;
  margin-inline-end: 0.35rem;
  padding: 0.4rem 0.55rem;
  border-color: rgba(10, 46, 56, 0.2);
  flex-shrink: 0;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.2rem rgba(0, 168, 232, 0.25);
}

/* ---------- Buttons ---------- */

.oc-btn-primary {
  --bs-btn-color: var(--oc-white);
  --bs-btn-bg: var(--oc-accent);
  --bs-btn-border-color: var(--oc-accent);
  --bs-btn-hover-color: var(--oc-white);
  --bs-btn-hover-bg: var(--oc-accent-dark);
  --bs-btn-hover-border-color: var(--oc-accent-dark);
  --bs-btn-active-color: var(--oc-white);
  --bs-btn-active-bg: var(--oc-accent-dark);
  --bs-btn-active-border-color: var(--oc-accent-dark);
  font-weight: 700;
  letter-spacing: 0.01em;
  border-radius: 999px;
  padding: 0.65rem 1.35rem;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.oc-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(0, 168, 232, 0.28);
}

.oc-btn-ghost {
  color: var(--oc-white);
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  font-weight: 700;
  border-radius: 999px;
  padding: 0.65rem 1.35rem;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.oc-btn-ghost:hover {
  color: var(--oc-white);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.9);
  transform: translateY(-1px);
}

/* ---------- Hero ---------- */

.oc-hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--oc-nav-h) + 2rem) 0 4.5rem;
  color: var(--oc-white);
  overflow: hidden;
}

.oc-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  animation: oc-hero-pan 18s ease-in-out infinite alternate;
}

.oc-hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 31, 38, 0.45) 0%, rgba(6, 31, 38, 0.72) 45%, rgba(6, 31, 38, 0.92) 100%),
    linear-gradient(90deg, rgba(10, 46, 56, 0.55) 0%, transparent 60%);
}

.oc-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 40rem;
}

.oc-hero-brand {
  font-family: var(--oc-font-display);
  font-weight: 800;
  font-size: clamp(2.75rem, 8vw, 4.75rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
  color: var(--oc-white);
}

.oc-hero-title {
  font-family: var(--oc-font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: rgba(255, 255, 255, 0.95);
  max-width: 22ch;
}

.oc-hero-lead {
  margin: 0 0 1.75rem;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.82);
  max-width: 36ch;
}

.oc-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@keyframes oc-hero-pan {
  from {
    transform: scale(1.02) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.05) translate3d(-0.8%, -0.5%, 0);
  }
}

/* ---------- Sections ---------- */

.oc-section {
  padding: 5rem 0;
}

.oc-section-head {
  text-align: center;
  max-width: 36rem;
  margin: 0 auto 3rem;
}

.oc-section-head-left {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}

.oc-section-head h2,
.oc-about-copy h2 {
  font-family: var(--oc-font-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 3vw, 2.4rem);
  letter-spacing: -0.03em;
  color: var(--oc-foundation);
  margin-bottom: 0.75rem;
}

.oc-section-head p {
  margin: 0;
  color: var(--oc-muted);
}

/* ---------- Services ---------- */

.oc-services {
  background:
    linear-gradient(180deg, transparent, rgba(239, 235, 228, 0.65) 20%, rgba(239, 235, 228, 0.65) 80%, transparent);
}

.oc-service {
  height: 100%;
  padding: 1.75rem 1.5rem;
  border-top: 3px solid var(--oc-accent);
  background: rgba(255, 255, 255, 0.55);
  transition: transform 0.25s ease, background 0.25s ease;
}

.oc-service:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.9);
}

.oc-service h3 {
  font-family: var(--oc-font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--oc-foundation);
  margin-bottom: 0.65rem;
}

.oc-service p {
  margin: 0;
  color: var(--oc-muted);
  font-size: 1rem;
}

.oc-price {
  margin-top: 1rem !important;
  font-family: var(--oc-font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--oc-accent-dark) !important;
}

/* ---------- Case studies ---------- */

.oc-work {
  background: var(--oc-surface);
}

.oc-case {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 1.75rem;
  align-items: center;
  padding: 1.5rem 0 1.75rem;
  border-top: 3px solid var(--oc-accent);
  margin-bottom: 1.75rem;
  transition: transform 0.25s ease;
}

.oc-case:last-child {
  margin-bottom: 0;
}

.oc-case:hover {
  transform: translateY(-3px);
}

.oc-case-media {
  display: block;
  overflow: hidden;
  border-radius: var(--oc-radius);
  background: var(--oc-foundation);
  aspect-ratio: 16 / 10;
}

.oc-case-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.35s ease;
}

.oc-case:hover .oc-case-media img {
  transform: scale(1.03);
}

.oc-case-body h3 {
  font-family: var(--oc-font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--oc-foundation);
  margin: 0 0 0.65rem;
}

.oc-case-body p {
  margin: 0 0 1rem;
  color: var(--oc-muted);
}

.oc-case-link {
  font-weight: 700;
  color: var(--oc-foundation);
  border-bottom: 2px solid var(--oc-accent);
  padding-bottom: 0.1rem;
}

.oc-case-link:hover {
  color: var(--oc-accent-dark);
}

/* ---------- About ---------- */

.oc-about {
  background: var(--oc-foundation);
  color: rgba(255, 255, 255, 0.88);
  position: relative;
  overflow: hidden;
}

.oc-about::before {
  content: "";
  position: absolute;
  width: 28rem;
  height: 28rem;
  right: -8rem;
  top: -10rem;
  background: radial-gradient(circle, rgba(0, 168, 232, 0.28), transparent 70%);
  pointer-events: none;
}

.oc-about-copy {
  position: relative;
  z-index: 1;
}

.oc-about-copy h2 {
  color: var(--oc-white);
}

.oc-about-copy p {
  font-size: 1.12rem;
}

.oc-about-tagline {
  font-family: var(--oc-font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--oc-accent);
  margin-top: 1.5rem !important;
  margin-bottom: 0 !important;
}

/* ---------- Contact ---------- */

.oc-contact-details li {
  margin-bottom: 1.15rem;
}

.oc-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--oc-muted);
  margin-bottom: 0.2rem;
}

.oc-contact-details a {
  font-weight: 600;
  color: var(--oc-foundation);
  font-size: 1.1rem;
}

.oc-contact-details a:hover {
  color: var(--oc-accent-dark);
}

.oc-social {
  display: flex;
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.oc-social a {
  font-weight: 700;
  color: var(--oc-foundation);
  border-bottom: 2px solid var(--oc-accent);
  padding-bottom: 0.15rem;
}

.oc-social a:hover {
  color: var(--oc-accent-dark);
}

.oc-form {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(10, 46, 56, 0.08);
  border-radius: var(--oc-radius);
  padding: 1.75rem;
  max-width: 100%;
}

.oc-form .form-label {
  font-weight: 600;
  color: var(--oc-foundation);
}

.oc-form .form-control {
  border-radius: var(--oc-radius);
  border-color: rgba(10, 46, 56, 0.15);
  padding: 0.7rem 0.85rem;
  background: var(--oc-white);
  max-width: 100%;
}

.oc-form .form-control:focus {
  border-color: var(--oc-accent);
  box-shadow: 0 0 0 0.2rem rgba(0, 168, 232, 0.2);
}

.oc-recaptcha {
  max-width: 100%;
  position: relative;
  z-index: 2;
  overflow: visible;
}

.oc-recaptcha iframe {
  max-width: 100%;
}

/* ---------- Footer ---------- */

.oc-footer {
  background: var(--oc-foundation-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: 1.75rem 0;
  font-size: 0.95rem;
}

.oc-footer-meta {
  opacity: 0.75;
}

/* ---------- Motion ---------- */

.reveal {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal.delay-1 {
  transition-delay: 0.12s;
}

.reveal.delay-2 {
  transition-delay: 0.22s;
}

.reveal.delay-3 {
  transition-delay: 0.32s;
}

.oc-hero .reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  animation: oc-rise 0.85s ease forwards;
}

.oc-hero .reveal.delay-1 {
  animation-delay: 0.12s;
}

.oc-hero .reveal.delay-2 {
  animation-delay: 0.24s;
}

.oc-hero .reveal.delay-3 {
  animation-delay: 0.36s;
}

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

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

  .oc-hero-bg {
    animation: none;
  }

  .reveal,
  .oc-hero .reveal {
    opacity: 1;
    transform: none;
    animation: none;
    transition: none;
  }
}

/* ---------- Responsive ---------- */

@media (max-width: 991.98px) {
  .oc-nav > .container {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  .oc-nav .navbar-collapse {
    background: var(--oc-surface);
    margin-top: 0.75rem;
    padding: 1rem;
    border-radius: var(--oc-radius);
    border: 1px solid rgba(10, 46, 56, 0.08);
  }

  .oc-hero {
    align-items: center;
    padding-bottom: 3.5rem;
  }

  .oc-hero-brand {
    font-size: clamp(2.4rem, 12vw, 3.5rem);
  }

  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .oc-case {
    grid-template-columns: 1fr;
    gap: 1.15rem;
  }
}

@media (max-width: 575.98px) {
  .oc-section {
    padding: 3.75rem 0;
  }

  .oc-form {
    padding: 1.25rem;
  }

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

  .oc-case {
    padding-top: 1.25rem;
    margin-bottom: 1.35rem;
  }
}