:root {
  --bg-start: #1A1F3A;
  --bg-mid: #2D2F5F;
  --bg-end: #4B3F7A;
  --accent: #AFA9EC;
  --accent-light: #CECBF6;
  --text: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.7);
  --text-dim: rgba(255, 255, 255, 0.55);
  --text-faint: rgba(255, 255, 255, 0.4);
  --surface-1: rgba(255, 255, 255, 0.07);
  --surface-2: rgba(255, 255, 255, 0.05);
  --surface-3: rgba(255, 255, 255, 0.04);
  --surface-4: rgba(255, 255, 255, 0.03);
  --border-1: rgba(255, 255, 255, 0.14);
  --border-2: rgba(255, 255, 255, 0.10);
  --border-3: rgba(255, 255, 255, 0.08);
  --accent-fill: rgba(175, 169, 236, 0.10);
  --radius-md: 8px;
  --radius-lg: 12px;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

html {
  scrollbar-gutter: stable;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(160deg, var(--bg-start) 0%, var(--bg-mid) 50%, var(--bg-end) 100%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- nav ---------- */
.nav {
  border-bottom: 0.5px solid var(--border-3);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.nav-logo {
  font-size: 16px;
  letter-spacing: 1.5px;
  font-weight: 500;
  color: var(--text);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 13px;
  color: var(--text-muted);
  align-items: center;
  flex-shrink: 0;
}

.nav-links a:not(.nav-cta) {
  transition: color 0.15s ease;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.nav-links a:not(.nav-cta):hover {
  color: var(--text);
}

.nav-links a:not(.nav-cta).active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.nav-cta {
  border: 0.5px solid rgba(255, 255, 255, 0.4);
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--text);
  transition: all 0.15s ease;
}

.nav-cta:hover {
  background: var(--accent-fill);
  border-color: var(--accent);
}

.nav-cta.active {
  border-color: var(--accent);
  background: var(--accent-fill);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 24px;
  cursor: pointer;
  padding: 0;
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: linear-gradient(160deg, var(--bg-start) 0%, var(--bg-mid) 50%, var(--bg-end) 100%);
  z-index: 100;
  padding: 24px 32px;
  flex-direction: column;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 64px;
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  gap: 28px;
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.mobile-menu-cta {
  margin-top: auto;
  padding: 16px 0;
  border-top: 0.5px solid var(--border-2);
}

.mobile-menu-cta a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background: var(--text);
  color: var(--bg-mid);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
}

/* ---------- hero ---------- */
.hero {
  padding: 80px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: end;
}

.hero-eyebrow {
  font-size: 11px;
  color: var(--accent-light);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(36px, 5vw, 52px);
  line-height: 1.05;
  margin: 0;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.hero-title em {
  color: var(--accent);
  font-style: normal;
}

.hero-sub {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0;
  padding-bottom: 8px;
}

/* ---------- engagement cards (home) ---------- */
.cards-label {
  font-size: 11px;
  color: var(--accent-light);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 0 0 18px;
}

.cards {
  display: grid;
  grid-template-columns: 1.6fr 1.1fr 0.9fr;
  gap: 12px;
  padding-bottom: 56px;
}

.cards-2up {
  grid-template-columns: 1.4fr 1fr;
}

.card {
  background: var(--surface-1);
  border: 0.5px solid var(--border-1);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  min-height: 200px;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(255, 255, 255, 0.20);
}

.card-2 {
  background: var(--surface-2);
  border-color: var(--border-2);
  padding: 20px;
}

.card-3 {
  background: var(--surface-3);
  border-color: var(--border-3);
  padding: 18px;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
}

.card-eyebrow {
  font-size: 10px;
  color: var(--accent-light);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.card-num {
  font-size: 10px;
  color: var(--text-faint);
}

.card-title {
  font-size: 20px;
  line-height: 1.2;
  margin: 0 0 10px;
  font-weight: 500;
}

.card-2 .card-title { font-size: 17px; }
.card-3 .card-title { font-size: 15px; }

.card-body {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0 0 18px;
  flex: 1;
}

.card-2 .card-body, .card-3 .card-body {
  font-size: 12px;
}

.card-cta {
  font-size: 12px;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
}

/* ---------- detail blocks (services) ---------- */
.detail-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 56px;
}

.detail {
  background: var(--surface-1);
  border: 0.5px solid var(--border-1);
  border-radius: var(--radius-md);
  padding: 32px;
}

.detail-2 {
  background: var(--surface-2);
  border-color: var(--border-2);
  padding: 28px;
}

.detail-3 {
  background: var(--surface-3);
  border-color: var(--border-3);
  padding: 22px;
}

.detail-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 18px;
}

.detail-meta {
  font-size: 11px;
  color: var(--text-dim);
}

.detail-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
}

.detail-2 .detail-grid { gap: 28px; }
.detail-3 .detail-grid { gap: 24px; }

.detail-title {
  font-size: 26px;
  line-height: 1.2;
  margin: 0 0 12px;
  font-weight: 500;
}

.detail-2 .detail-title { font-size: 22px; }
.detail-3 .detail-title { font-size: 18px; }

.detail-prose {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}

.detail-prose + .detail-list,
.detail-list + .detail-prose {
  margin-top: 14px;
}

.detail-list {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
  padding-left: 18px;
}

.detail-list li {
  margin-bottom: 4px;
}

.detail-list li::marker {
  color: var(--accent);
}

.detail-2 .detail-prose { font-size: 13px; }
.detail-2 .detail-list { font-size: 12px; }
.detail-3 .detail-prose { font-size: 12px; }

.detail-side {
  border-left: 0.5px solid var(--border-2);
  padding-left: 24px;
}

.detail-3 .detail-side {
  padding-left: 18px;
}

.detail-side-label {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin: 0 0 10px;
}

.detail-side-value {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.7;
  margin: 0 0 16px;
}

.detail-3 .detail-side-value {
  font-size: 12px;
}

.detail-side-value:last-child {
  margin-bottom: 0;
}

/* ---------- work / about ---------- */
.section {
  padding-bottom: 56px;
}

.work-card {
  background: var(--surface-1);
  border: 0.5px solid var(--border-1);
  border-radius: var(--radius-md);
  padding: 36px;
}

.work-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
}

.work-meta {
  font-size: 11px;
  color: var(--text-dim);
}

.work-title {
  font-size: 30px;
  line-height: 1.2;
  margin: 0 0 14px;
  font-weight: 500;
}

.work-prose {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.7;
  margin: 0 0 22px;
  max-width: 620px;
}

.quote {
  background: var(--accent-fill);
  border-left: 2px solid var(--accent);
  padding: 18px 22px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.quote-text {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.7;
  margin: 0 0 10px;
  font-style: italic;
}

.quote-attr {
  font-size: 11px;
  color: var(--text-dim);
  margin: 0;
}

.industries {
  margin-top: 24px;
  padding: 22px 26px;
  background: var(--surface-4);
  border: 0.5px solid var(--border-3);
  border-radius: var(--radius-md);
}

.industries-label {
  font-size: 10px;
  color: var(--accent-light);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 0 0 14px;
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.85);
  border: 0.5px solid var(--border-2);
  padding: 6px 14px;
  border-radius: 999px;
}

.pill.active {
  background: var(--accent-fill);
  border-color: var(--accent);
}

/* ---------- about ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

.about-bg {
  background: var(--surface-2);
  border: 0.5px solid var(--border-2);
  border-radius: var(--radius-md);
  padding: 32px;
}

.about-bg-label {
  font-size: 10px;
  color: var(--accent-light);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 0 0 18px;
}

.about-bg p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.8;
  margin: 0 0 14px;
}

.about-bg p:last-child {
  margin-bottom: 0;
}

.meta-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.meta {
  background: var(--surface-3);
  border: 0.5px solid var(--border-2);
  border-radius: var(--radius-md);
  padding: 20px;
}

.meta-label {
  font-size: 10px;
  color: var(--accent-light);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 0 0 8px;
}

.meta-value {
  font-size: 13px;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.principles {
  border-top: 0.5px solid var(--border-2);
  padding-top: 36px;
}

.principles-label {
  font-size: 11px;
  color: var(--accent-light);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 0 0 24px;
}

.principles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
}

.principle-num {
  font-size: 12px;
  color: var(--text-dim);
  margin: 0 0 10px;
}

.principle-title {
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
  margin: 0 0 8px;
  line-height: 1.3;
}

.principle-body {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ---------- contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 18px;
}

.form {
  background: var(--surface-2);
  border: 0.5px solid var(--border-2);
  border-radius: var(--radius-md);
  padding: 32px;
}

.form-wrap {
  position: relative;
}

.form-success {
  background: var(--surface-2);
  border: 0.5px solid var(--border-2);
  border-radius: var(--radius-md);
  padding: 48px 32px;
  text-align: left;
  min-height: 560px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.form-success-eyebrow {
  font-size: 10px;
  color: var(--accent-light);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin: 0 0 18px;
}

.form-success-title {
  font-size: 28px;
  color: var(--text);
  font-weight: 500;
  margin: 0 0 12px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.form-success-body {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}

.form-error {
  margin-top: 14px;
  font-size: 13px;
  color: #FF9D9D;
  line-height: 1.6;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 16px;
}

.field {
  margin-bottom: 16px;
}

.field-label {
  display: block;
  font-size: 10px;
  color: var(--accent-light);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin: 0 0 8px;
}

.field input,
.field textarea {
  width: 100%;
  background: var(--surface-3);
  border: 0.5px solid var(--border-2);
  border-radius: var(--radius-md);
  padding: 11px 14px;
  font-size: 13px;
  color: var(--text);
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-faint);
}

.field input:focus,
.field textarea:focus {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.06);
}

.field textarea {
  min-height: 90px;
  resize: vertical;
  line-height: 1.6;
}

.choice-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.choice {
  position: relative;
}

.choice input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.choice label {
  display: inline-block;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.85);
  border: 0.5px solid var(--border-2);
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.choice input:checked + label {
  background: var(--accent-fill);
  border-color: var(--accent);
  color: var(--text);
}

.choice label:hover {
  border-color: rgba(255, 255, 255, 0.25);
}

.submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--text);
  color: var(--bg-mid);
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.1s ease;
}

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

.submit:active {
  transform: translateY(0);
}

.contact-side {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-block {
  background: var(--surface-3);
  border: 0.5px solid var(--border-2);
  border-radius: var(--radius-md);
  padding: 22px;
}

.contact-block-label {
  font-size: 10px;
  color: var(--accent-light);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 0 0 12px;
}

.contact-block p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin: 0 0 14px;
}

.calendar-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0.5px solid rgba(255, 255, 255, 0.3);
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--text);
  transition: all 0.15s ease;
}

.calendar-btn:hover {
  border-color: var(--accent);
  background: var(--accent-fill);
}

.elsewhere a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.15s ease;
}

.elsewhere a:hover {
  color: var(--accent);
}

.note {
  background: var(--surface-4);
  border: 0.5px solid var(--border-3);
  border-radius: var(--radius-md);
  padding: 18px;
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ---------- footer ---------- */
.footer {
  border-top: 0.5px solid var(--border-3);
  padding: 32px 0;
  margin-top: 40px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-dim);
}

.footer-links {
  display: flex;
  gap: 20px;
}

/* ---------- mobile ---------- */
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    padding: 56px 0 32px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .hero-eyebrow {
    margin-bottom: 18px;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-sub {
    padding-bottom: 0;
    font-size: 13px;
  }

  .cards {
    grid-template-columns: 1fr;
    gap: 10px;
    padding-bottom: 36px;
  }

  .card {
    min-height: auto;
    padding: 22px;
  }

  .card-2 {
    padding: 20px;
  }

  .card-3 {
    padding: 18px;
  }

  .detail-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .detail-side {
    border-left: none;
    border-top: 0.5px solid var(--border-2);
    padding-left: 0;
    padding-top: 18px;
  }

  .detail {
    padding: 24px;
  }

  .detail-2 {
    padding: 22px;
  }

  .detail-3 {
    padding: 20px;
  }

  .detail-title {
    font-size: 22px;
  }

  .work-card {
    padding: 26px;
  }

  .work-title {
    font-size: 24px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .about-bg {
    padding: 26px;
  }

  .meta-stack {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .meta:last-child {
    grid-column: 1 / -1;
  }

  .principles-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .form {
    padding: 26px;
  }

  .form-success {
    min-height: 690px;
    padding: 40px 26px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
    margin-bottom: 0;
  }

  .footer-inner {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }
}