/* ============================================================
   JiFengYunFan — Computer Systems Design
   Light theme · Royal blue accent · Warm gold + pale blue
   ============================================================ */

:root {
  --ink: #1B2437;
  --ink-soft: #3A4258;
  --ink-mute: #5A6276;
  --paper: #FAF9F6;
  --surface: #FFFFFF;
  --royal: #2450C0;
  --royal-deep: #1C3F9E;
  --royal-bright: #2B5BD7;
  --royal-light: #4A7BEA;
  --pale: #EEF2FB;
  --pale-deep: #DCE5F7;
  --gold: #C9973F;
  --gold-soft: #E8D3A7;
  --line: #E7E5DF;
  --line-soft: #EFEDE7;
  --shadow-sm: 0 2px 10px rgba(27, 36, 55, 0.06);
  --shadow-md: 0 14px 40px rgba(27, 36, 55, 0.10);
  --shadow-lg: 0 24px 60px rgba(27, 36, 55, 0.16);
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --font-sans: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Georgia", "Times New Roman", serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background-color: var(--paper);
  overflow-x: hidden;
}

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

a {
  color: var(--royal);
  text-decoration: none;
  transition: color 0.18s ease;
}

a:hover {
  color: var(--royal-deep);
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ------------------------------------------------------------
   SPLIT TOP BAR
   ------------------------------------------------------------ */
.split-nav {
  position: sticky;
  top: 0;
  z-index: 900;
  background-color: #FAF9F6;
  border-bottom: 1px solid var(--line-soft);
}

.split-nav .nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
  gap: 24px;
}

.split-nav .nav-cta {
  flex: 0 0 auto;
  min-width: 0;
}

.split-nav .nav-cta a.cta-pill {
  display: inline-block;
  background-color: var(--royal);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--royal);
  transition: background-color 0.18s ease, transform 0.18s ease;
  white-space: nowrap;
}

.split-nav .nav-cta a.cta-pill:hover {
  background-color: var(--royal-deep);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.split-nav .brand {
  flex: 1 1 auto;
  text-align: center;
}

.split-nav .brand a {
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.split-nav .brand a:hover {
  color: var(--royal);
}

.split-nav .nav-links {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 26px;
}

.split-nav .nav-links a {
  font-weight: 550;
  font-size: 0.95rem;
  color: var(--ink-soft);
  position: relative;
}

.split-nav .nav-links a:hover {
  color: var(--royal);
}

.split-nav .nav-links a.active {
  color: var(--royal);
}

.split-nav .nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  background-color: var(--royal);
  border-radius: 2px;
}

.split-nav .nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--ink);
}

.split-nav .nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--ink);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.split-nav .mobile-menu {
  display: none;
  background-color: #FAF9F6;
  border-top: 1px solid var(--line-soft);
  padding: 8px 24px 20px;
}

.split-nav .mobile-menu a {
  display: block;
  padding: 12px 0;
  font-weight: 550;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line-soft);
}

.split-nav .mobile-menu a:last-child {
  border-bottom: none;
}

.split-nav.menu-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.split-nav.menu-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.split-nav.menu-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ------------------------------------------------------------
   BLUEPRINT HERO
   ------------------------------------------------------------ */
.blueprint-hero {
  position: relative;
  background-color: var(--royal-deep);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(135deg, #4A7BEA 0%, #2B5BD7 45%, #2450C0 100%);
  background-size: 46px 46px, 46px 46px, 100% 100%;
  color: #FFFFFF;
  overflow: hidden;
}

.blueprint-hero .hero-shell {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 56px;
  align-items: center;
  padding: 96px 0 104px;
  position: relative;
  z-index: 2;
}

.blueprint-hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: #EEF2FB;
  color: var(--gold);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 14px;
  border-radius: 999px;
  margin-bottom: 26px;
}

.blueprint-hero h1 {
  color: #FFFFFF;
  font-size: clamp(2.4rem, 5vw, 3.7rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.blueprint-hero .hero-sub {
  color: #DCE5F7;
  font-size: 1.13rem;
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 36px;
}

.blueprint-hero .hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.blueprint-hero .btn {
  display: inline-block;
  font-weight: 650;
  font-size: 0.98rem;
  padding: 14px 26px;
  border-radius: 999px;
  transition: transform 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.blueprint-hero .btn-primary {
  background-color: #FFFFFF;
  color: var(--ink);
  border: 1px solid #FFFFFF;
}

.blueprint-hero .btn-primary:hover {
  background-color: var(--pale);
  border-color: var(--pale);
  color: var(--royal-deep);
  transform: translateY(-2px);
}

.blueprint-hero .btn-ghost {
  background-color: transparent;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.blueprint-hero .btn-ghost:hover {
  border-color: #FFFFFF;
  background-color: #FFFFFF;
  color: var(--royal-deep);
  transform: translateY(-2px);
}

.blueprint-hero .spec-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
}

.blueprint-hero .spec-card::before {
  content: "";
  display: block;
  height: 5px;
  background-color: var(--gold);
}

.blueprint-hero .spec-card .spec-head {
  padding: 22px 26px 18px;
  border-bottom: 1px solid var(--line-soft);
}

.blueprint-hero .spec-card .spec-head h2 {
  font-size: 1.05rem;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.blueprint-hero .spec-card .spec-head p {
  color: var(--ink-mute);
  font-size: 0.85rem;
  margin-top: 4px;
}

.blueprint-hero .spec-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 26px;
  border-bottom: 1px solid var(--line-soft);
}

.blueprint-hero .spec-row:last-child {
  border-bottom: none;
}

.blueprint-hero .spec-row .spec-label {
  font-size: 0.85rem;
  color: var(--ink-mute);
  letter-spacing: 0.02em;
}

.blueprint-hero .spec-row .spec-value {
  font-weight: 750;
  font-size: 1rem;
  color: var(--royal);
}

/* ------------------------------------------------------------
   STATEMENT ROW
   ------------------------------------------------------------ */
.statement-row {
  background-color: var(--surface);
  border-bottom: 1px solid var(--line-soft);
  padding: 84px 0;
}

.statement-row .statement-inner {
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}

.statement-row .statement-mark {
  display: block;
  width: 40px;
  height: 4px;
  background-color: var(--gold);
  border-radius: 2px;
  margin: 0 auto 28px;
}

.statement-row p {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.15rem);
  line-height: 1.45;
  color: var(--ink);
  font-weight: 400;
}

/* ------------------------------------------------------------
   ASYMMETRIC SERVICE GRID
   ------------------------------------------------------------ */
.service-grid {
  padding: 96px 0;
}

.section-head {
  max-width: 680px;
  margin-bottom: 56px;
}

.section-head .eyebrow {
  display: inline-block;
  color: var(--royal);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  margin-bottom: 16px;
}

.section-head p {
  color: var(--ink-mute);
  font-size: 1.05rem;
}

.service-grid .brick-wall {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.service-grid .brick {
  background-color: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-grid .brick:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.service-grid .brick.wide {
  grid-column: span 3;
}

.service-grid .brick.narrow {
  grid-column: span 2;
}

.service-grid .brick .bullet {
  display: block;
  width: 16px;
  height: 16px;
  background-color: var(--royal);
  border-radius: 3px;
  margin-bottom: 20px;
}

.service-grid .brick h3 {
  font-size: 1.28rem;
  margin-bottom: 10px;
}

.service-grid .brick p {
  color: var(--ink-mute);
  font-size: 0.98rem;
}

/* ------------------------------------------------------------
   PROCESS CARD GRID
   ------------------------------------------------------------ */
.process-grid {
  background-color: var(--surface);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: 96px 0;
}

.process-grid .process-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.process-grid .process-card {
  position: relative;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 32px 32px;
}

.process-grid .process-card .numeral {
  position: absolute;
  top: 24px;
  right: 28px;
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--royal);
  line-height: 1;
}

.process-grid .process-card h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
  padding-right: 80px;
}

.process-grid .process-card p {
  color: var(--ink-mute);
  font-size: 1rem;
}

/* ------------------------------------------------------------
   METRICS BAND
   ------------------------------------------------------------ */
.metrics-band {
  background-color: var(--royal-deep);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px;
  padding: 72px 0;
}

.metrics-band .metrics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
}

.metrics-band .metric .metric-num {
  font-size: clamp(2.8rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  line-height: 1;
  margin-bottom: 10px;
}

.metrics-band .metric .metric-label {
  color: #DCE5F7;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

/* ------------------------------------------------------------
   FAQ ACCORDION
   ------------------------------------------------------------ */
.faq {
  padding: 96px 0;
}

.faq .faq-list {
  max-width: 780px;
  margin: 0 auto;
}

.faq .faq-item {
  background-color: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
}

.faq .faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 22px 24px;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--ink);
  text-align: left;
}

.faq .faq-q .faq-icon {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: var(--pale);
  color: var(--royal);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.faq .faq-item.open .faq-icon {
  background-color: var(--royal);
  color: #FFFFFF;
  transform: rotate(45deg);
}

.faq .faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.28s ease;
}

.faq .faq-a p {
  padding: 0 24px 22px;
  color: var(--ink-mute);
  font-size: 0.98rem;
}

/* ------------------------------------------------------------
   CTA BAND
   ------------------------------------------------------------ */
.cta-band {
  background-color: var(--royal);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.09) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px;
  padding: 88px 0;
  color: #FFFFFF;
}

.cta-band .cta-split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.cta-band h2 {
  color: #FFFFFF;
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  margin-bottom: 16px;
}

.cta-band p {
  color: #DCE5F7;
  font-size: 1.08rem;
}

.cta-band .cta-actions {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 16px;
}

.cta-band .btn {
  display: inline-block;
  font-weight: 650;
  font-size: 0.98rem;
  padding: 14px 28px;
  border-radius: 999px;
  transition: transform 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.cta-band .btn-light {
  background-color: #FFFFFF;
  color: var(--royal-deep);
  border: 1px solid #FFFFFF;
}

.cta-band .btn-light:hover {
  background-color: var(--pale);
  border-color: var(--pale);
  transform: translateY(-2px);
}

.cta-band .btn-outline-light {
  background-color: transparent;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.cta-band .btn-outline-light:hover {
  background-color: #FFFFFF;
  border-color: #FFFFFF;
  color: var(--royal-deep);
  transform: translateY(-2px);
}

/* ------------------------------------------------------------
   QUAD FOOTER
   ------------------------------------------------------------ */
.quad-footer {
  background-color: #F4F2ED;
  border-top: 1px solid var(--line);
}

.quad-footer .footer-top {
  text-align: center;
  padding: 56px 0 36px;
}

.quad-footer .footer-top .brand {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--ink);
}

.quad-footer .footer-top .tagline {
  color: var(--ink-mute);
  font-size: 0.98rem;
  margin-top: 8px;
}

.quad-footer .footer-top .gold-rule {
  width: 56px;
  height: 3px;
  background-color: var(--gold);
  border-radius: 2px;
  margin: 20px auto 0;
}

.quad-footer .footer-mid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
  padding: 32px 0 52px;
  border-top: 1px solid var(--line);
}

.quad-footer .footer-mid h4 {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--royal);
  margin-bottom: 18px;
}

.quad-footer .footer-mid ul {
  list-style: none;
}

.quad-footer .footer-mid ul li {
  margin-bottom: 11px;
}

.quad-footer .footer-mid ul li a {
  color: var(--ink-soft);
  font-size: 0.96rem;
}

.quad-footer .footer-mid ul li a:hover {
  color: var(--royal);
}

.quad-footer .footer-mid .contact-col p {
  color: var(--ink-soft);
  font-size: 0.94rem;
  margin-bottom: 12px;
  line-height: 1.55;
}

.quad-footer .footer-mid .contact-col a {
  color: var(--royal);
}

.quad-footer .footer-bottom {
  border-top: 1px solid var(--line);
  padding: 22px 0;
  text-align: center;
}

.quad-footer .footer-bottom p {
  color: var(--ink-mute);
  font-size: 0.85rem;
}

/* ------------------------------------------------------------
   REVEAL ANIMATION
   ------------------------------------------------------------ */
.fade-up {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ------------------------------------------------------------
   SECONDARY PAGE HERO (services / contact)
   ------------------------------------------------------------ */
.page-hero {
  background-color: var(--royal-deep);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(135deg, #4A7BEA 0%, #2450C0 100%);
  background-size: 46px 46px, 46px 46px, 100% 100%;
  color: #FFFFFF;
  padding: 76px 0;
}

.page-hero .eyebrow {
  display: inline-block;
  color: var(--gold);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.page-hero h1 {
  color: #FFFFFF;
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}

.page-hero p {
  color: #DCE5F7;
  font-size: 1.12rem;
  max-width: 640px;
  line-height: 1.7;
}

/* ------------------------------------------------------------
   SERVICES PAGE
   ------------------------------------------------------------ */
.services-detail {
  padding: 88px 0;
}

.service-block {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  align-items: start;
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}

.service-block:first-of-type {
  padding-top: 0;
}

.service-block:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.service-block .sb-index {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.service-block h2 {
  font-size: 1.7rem;
  margin-bottom: 16px;
}

.service-block p {
  color: var(--ink-mute);
  font-size: 1.03rem;
  margin-bottom: 14px;
}

.service-block .sb-list {
  list-style: none;
  margin-top: 10px;
}

.service-block .sb-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.service-block .sb-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  background-color: var(--royal);
  border-radius: 2px;
}

.process-overview {
  background-color: var(--surface);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: 88px 0;
}

.process-overview .process-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.process-overview .pcard {
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.process-overview .pcard .numeral {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--royal);
  margin-bottom: 14px;
}

.process-overview .pcard h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.process-overview .pcard p {
  color: var(--ink-mute);
  font-size: 0.92rem;
}

/* ------------------------------------------------------------
   CONTACT PAGE
   ------------------------------------------------------------ */
.contact-section {
  padding: 88px 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 56px;
  align-items: start;
}

.contact-info-card {
  background-color: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 34px 30px;
}

.contact-info-card h2 {
  font-size: 1.4rem;
  margin-bottom: 24px;
}

.contact-info-card .info-row {
  margin-bottom: 20px;
}

.contact-info-card .info-row h3 {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 6px;
}

.contact-info-card .info-row p,
.contact-info-card .info-row a {
  color: var(--ink-soft);
  font-size: 0.99rem;
  line-height: 1.55;
}

.contact-form-card {
  background-color: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 34px 30px;
}

.contact-form-card h2 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.contact-form-card .form-note {
  color: var(--ink-mute);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.form-field {
  margin-bottom: 18px;
}

.form-field label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink);
  margin-bottom: 7px;
}

.form-field input,
.form-field textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--ink);
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 13px 15px;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--royal);
  box-shadow: 0 0 0 3px #EEF2FB;
}

.form-field textarea {
  min-height: 150px;
  resize: vertical;
}

.contact-form-card .btn-submit {
  display: inline-block;
  background-color: var(--royal);
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-weight: 650;
  font-size: 1rem;
  padding: 14px 30px;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 0.18s ease, transform 0.18s ease;
}

.contact-form-card .btn-submit:hover {
  background-color: var(--royal-deep);
  transform: translateY(-2px);
}

.form-status {
  margin-top: 16px;
  font-size: 0.95rem;
  font-weight: 600;
  min-height: 22px;
}

.form-status.success {
  color: var(--royal);
}

.form-status.error {
  color: #B23B3B;
}

.faq-contact {
  padding: 0 0 96px;
}

/* ------------------------------------------------------------
   RESPONSIVE
   ------------------------------------------------------------ */
@media (max-width: 980px) {
  .blueprint-hero .hero-shell {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 72px 0 80px;
  }

  .cta-band .cta-split {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .cta-band .cta-actions {
    justify-content: flex-start;
  }

  .service-grid .brick.wide {
    grid-column: span 6;
  }

  .service-grid .brick.narrow {
    grid-column: span 3;
  }

  .service-block {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .process-overview .process-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 820px) {
  .split-nav .nav-cta {
    display: none;
  }

  .split-nav .nav-links {
    display: none;
  }

  .split-nav .nav-toggle {
    display: block;
  }

  .split-nav .brand {
    text-align: left;
  }

  .split-nav .nav-shell {
    justify-content: space-between;
  }

  .split-nav.menu-open .mobile-menu {
    display: block;
  }

  .quad-footer .footer-mid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .process-grid .process-cards {
    grid-template-columns: 1fr;
  }

  .metrics-band .metrics-row {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 560px) {
  .service-grid .brick.wide,
  .service-grid .brick.narrow {
    grid-column: span 6;
  }

  .process-overview .process-cards {
    grid-template-columns: 1fr;
  }

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

  .blueprint-hero .hero-ctas {
    flex-direction: column;
    align-items: flex-start;
  }
}