/* ---------- Design tokens ---------- */
:root {
  --color-bg: #ffffff;
  --color-bg-muted: #fff8f2;
  --color-text: #1a1a1a;
  --color-text-muted: #6b6b6b;
  --color-border: #ede4db;
  --color-primary: #ff7d11;
  --color-primary-dark: #db6602;
  --color-primary-light: #fff1e2;
  --color-dark: #1a1a1a;

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --container-width: 1120px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-card: 0 4px 20px rgba(15, 27, 61, 0.06);
  --shadow-card-hover: 0 10px 30px rgba(15, 27, 61, 0.10);
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
.amp {
  font-family: Georgia, 'Times New Roman', serif;
  font-style: italic;
  font-weight: 400;
}
h1, h2, h3 {
  line-height: 1.15;
  font-weight: 600;
  font-family: var(--font-serif);
  letter-spacing: -0.01em;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 200;
}
.skip-link:focus { left: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-dark);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary); }
.btn-ghost {
  background: transparent;
  color: var(--color-dark);
  border: 1.5px solid var(--color-border);
  border-radius: 999px;
}
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-lg { padding: 14px 30px; font-size: 1rem; }

.link-arrow {
  color: var(--color-dark);
  font-weight: 600;
  border-bottom: 1.5px solid var(--color-primary);
  padding-bottom: 2px;
}
.link-arrow:hover { color: var(--color-primary); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.brand img { height: 32px; width: auto; }

.main-nav ul {
  display: flex;
  gap: 32px;
}
.main-nav a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  transition: color 0.15s ease;
}
.main-nav a:hover { color: var(--color-primary); }

.header-actions { display: flex; align-items: center; gap: 16px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 22px;
  background: var(--color-text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Hero ---------- */
.hero { position: relative; padding: 120px 0 104px; overflow: hidden; }
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}

/* Subtle isometric cube pattern along the hero edges */
.hero-pattern {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 340px;
  pointer-events: none;
  opacity: 0.55;
  background-image: url('../assets/images/cube-pattern.svg');
  background-repeat: repeat;
  background-size: 64px 110.85px;
}
.hero-pattern-left {
  left: 0;
  -webkit-mask-image: radial-gradient(ellipse 100% 70% at 0% 50%, #000 0%, transparent 75%);
  mask-image: radial-gradient(ellipse 100% 70% at 0% 50%, #000 0%, transparent 75%);
}
.hero-pattern-right {
  right: 0;
  -webkit-mask-image: radial-gradient(ellipse 100% 70% at 100% 50%, #000 0%, transparent 75%);
  mask-image: radial-gradient(ellipse 100% 70% at 100% 50%, #000 0%, transparent 75%);
}
.eyebrow {
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 14px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.2vw, 4rem);
  font-weight: 500;
  margin-bottom: 32px;
  color: var(--color-dark);
  letter-spacing: -0.01em;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }

/* ---------- Page hero (secondary pages) ---------- */
.page-hero {
  padding: 88px 0 56px;
  text-align: center;
  background: var(--color-bg-muted);
  border-bottom: 1px solid var(--color-border);
}
.page-hero-inner { max-width: 640px; margin: 0 auto; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 2.8rem); color: var(--color-dark); margin: 8px 0 12px; }
.page-hero-sub { color: var(--color-text-muted); font-size: 1.1rem; }

/* ---------- Case studies ---------- */
.case-studies {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.case-study {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 36px;
}
.case-study-industry {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 20px;
}
.case-study-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 24px;
}
.case-study-grid h3 {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-dark);
  margin-bottom: 12px;
}
.case-study-grid ul { display: flex; flex-direction: column; gap: 8px; }
.case-study-grid li {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  padding-left: 18px;
  position: relative;
}
.case-study-grid li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}
.case-study-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}
.case-study-tags-label {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-dark);
  margin-right: 4px;
}
.tag {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
}

/* ---------- Logo strip (auto-scrolling marquee) ---------- */
.logo-strip {
  padding: 48px 0;
  border-bottom: 1px solid var(--color-border);
}
.logo-strip-viewport {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 64px, #000 calc(100% - 64px), transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 64px, #000 calc(100% - 64px), transparent 100%);
}
.logo-strip-track {
  display: flex;
  align-items: center;
  gap: 64px;
  width: max-content;
  animation: logo-strip-scroll 32s linear infinite;
}
.logo-strip-viewport:hover .logo-strip-track {
  animation-play-state: paused;
}
.logo-strip-track img {
  height: 48px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  flex-shrink: 0;
}
@keyframes logo-strip-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .logo-strip-track { animation: none; }
}

/* ---------- Featured projects ---------- */
.featured-projects {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.featured-project {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 40px;
}
.featured-project-head {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.featured-project-logo {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  background: var(--color-bg-muted);
  border: 1px solid var(--color-border);
  padding: 8px;
}
.featured-project-heading h3 { font-size: 1.4rem; margin-bottom: 4px; }
.featured-project-category {
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.78rem;
}
.featured-project-links {
  display: flex;
  gap: 20px;
  margin-left: auto;
  flex-wrap: wrap;
}
.featured-project-summary {
  color: var(--color-text-muted);
  font-size: 1.02rem;
  max-width: 760px;
  margin-bottom: 28px;
}
.featured-project-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  padding: 24px 0;
  margin-bottom: 28px;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.featured-project-stat .stat-value {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-dark);
}
.featured-project-stat .stat-label {
  color: var(--color-text-muted);
  font-size: 0.88rem;
}
.featured-project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.featured-project-grid h4 {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-dark);
  margin-bottom: 12px;
}
.featured-project-grid ul { display: flex; flex-direction: column; gap: 8px; }
.featured-project-grid li {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  padding-left: 18px;
  position: relative;
}
.featured-project-grid li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}
.featured-project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

/* ---------- Case study cards (with logo + tagline) ---------- */
.case-study-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.case-study-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  background: var(--color-bg-muted);
  border: 1px solid var(--color-border);
  padding: 6px;
  flex-shrink: 0;
}
.case-study-head-text { min-width: 0; }
.case-study-name {
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--color-dark);
}
.case-study-tagline {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* ---------- Sections ---------- */
.section { padding: 88px 0; }
.section-muted { background: var(--color-bg-muted); }
.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section-head h2 { font-size: clamp(1.75rem, 3vw, 2.4rem); margin-bottom: 16px; color: var(--color-dark); }
.section-head p { color: var(--color-text-muted); font-size: 1.05rem; }
.section-cta { text-align: center; margin-top: 40px; }

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  counter-reset: step;
  position: relative;
}
.steps::before {
  content: "";
  position: absolute;
  top: 22px;
  left: 22px;
  right: calc(25% - 22px);
  height: 1px;
  background: var(--color-border);
}
.step {
  counter-increment: step;
  text-align: left;
  padding: 0 20px 0 0;
  position: relative;
}
.step::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-bg);
  width: 44px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.step img { display: none; }
.step h3 { font-size: 1.1rem; margin-bottom: 10px; }
.step p { color: var(--color-text-muted); font-size: 0.95rem; padding-right: 8px; }

/* ---------- Testimonials ---------- */
.testimonials {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px;
}
.testimonial {
  border-left: 3px solid var(--color-primary);
  padding-left: 24px;
}
.testimonial blockquote {
  font-size: 1.15rem;
  line-height: 1.5;
  color: var(--color-dark);
  margin-bottom: 20px;
}
.testimonial blockquote::before { content: none; }
.testimonial figcaption {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.client-logo { display: none; }
.cite-name { font-weight: 700; }
.cite-title { color: var(--color-text-muted); font-size: 0.9rem; }

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.service-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
.service-card img { margin-bottom: 20px; }
.service-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.service-card p { color: var(--color-text-muted); font-size: 0.95rem; }

/* ---------- App development ---------- */
.app-dev {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.app-dev-copy img { margin-bottom: 20px; }
.app-dev-copy h2 { font-size: clamp(1.6rem, 2.6vw, 2.1rem); margin-bottom: 16px; color: var(--color-dark); }
.app-dev-copy p { color: var(--color-text-muted); font-size: 1.02rem; }
.app-dev-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.app-dev-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
}
.app-dev-item h3 { font-size: 1.05rem; margin-bottom: 8px; }
.app-dev-item p { color: var(--color-text-muted); font-size: 0.95rem; }

/* ---------- Support banner ---------- */
.support-banner {
  background: var(--color-dark);
  color: #fff;
  padding: 64px 0;
}
.support-inner { max-width: 640px; margin: 0 auto; text-align: center; }
.support-banner h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin-bottom: 16px; }
.support-banner p { color: #b8b8b8; font-size: 1.05rem; }

/* ---------- Why choose ---------- */
.why-choose-copy { max-width: 640px; }
.why-choose-copy h2 { font-size: clamp(1.75rem, 3vw, 2.4rem); margin: 12px 0 20px; color: var(--color-dark); }
.why-choose-copy p:last-child { color: var(--color-text-muted); font-size: 1.05rem; }

/* ---------- Team ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.team-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  display: block;
  color: inherit;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
a.team-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}
.team-card img {
  border-radius: 50%;
  width: 120px;
  height: 120px;
  margin: 0 auto 20px;
  object-fit: cover;
}
.team-card h3 { font-size: 1.15rem; margin-bottom: 4px; }
.team-card .role {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.team-card p:not(.role) {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  text-align: left;
}
a.team-card .role { margin-bottom: 0; }

/* ---------- Careers ---------- */
.job-card {
  max-width: 760px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.job-info h3 { font-size: 1.2rem; margin-bottom: 4px; }
.job-location {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 12px;
}
.job-info p:not(.job-location) { color: var(--color-text-muted); max-width: 480px; }

/* ---------- Contact form ---------- */
.contact-form-wrap {
  max-width: 560px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 40px;
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 22px;
}
.form-field label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-dark);
}
.form-field input,
.form-field textarea {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  transition: border-color 0.15s ease;
}
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-submit { display: block; margin: 4px auto 0; }
.form-note {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-top: 16px;
}
.form-status {
  display: none;
  text-align: center;
  font-weight: 600;
  padding: 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 22px;
}
.form-status.is-success {
  display: block;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}
.form-status.is-error {
  display: block;
  background: #fdecec;
  color: #b42318;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-dark);
  color: #cbd5f5;
  padding: 48px 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: #fff;
}
.footer-social img { filter: brightness(0) invert(1); }
.footer-contact a { color: #fff; font-weight: 600; }
.footer-contact a:hover { text-decoration: underline; }
.footer-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  transition: background 0.15s ease;
}
.footer-social:hover { background: var(--color-primary); }
.footer-copyright { font-size: 0.85rem; opacity: 0.6; margin-top: 8px; }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-pattern { width: 160px; opacity: 0.35; }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .steps::before { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .case-study-grid { grid-template-columns: 1fr; gap: 20px; }
  .app-dev { grid-template-columns: 1fr; gap: 32px; }
  .featured-project-grid { grid-template-columns: 1fr; gap: 20px; }
  .featured-project { padding: 28px; }
  .featured-project-links { margin-left: 0; }
}

@media (max-width: 600px) {
  .hero-pattern { display: none; }
}

@media (max-width: 720px) {
  .main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .main-nav.is-open { max-height: 320px; }
  .main-nav ul { flex-direction: column; gap: 0; padding: 8px 24px 16px; }
  .main-nav li { border-top: 1px solid var(--color-border); }
  .main-nav a { display: block; padding: 14px 0; }
  .nav-toggle { display: flex; }
  .header-actions .btn-primary { display: none; }
  .steps { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .job-card { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}