/* ==============================================
   RESET
   ============================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  background: var(--offwhite);
  color: var(--black);
  font-family: var(--font-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
::selection { background: var(--yellow); color: var(--black); }

/* ==============================================
   UTILITY
   ============================================== */
.sg { font-family: var(--font-display); }
.mono { font-family: var(--font-mono); }
.container { max-width: 1200px; margin: 0 auto; padding-inline: 40px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}
.skip-link:focus {
  position: fixed; top: 10px; left: 10px; z-index: 9999;
  width: auto; height: auto; padding: 12px 24px;
  clip: auto; overflow: visible;
  background: var(--black); color: var(--white);
  font-family: var(--font-display); font-size: 14px;
  font-weight: 700; text-transform: uppercase;
}

/* ==============================================
   ANIMATIONS
   ============================================== */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0; transform: translateY(24px);
    transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
  }
  .reveal.visible { opacity: 1; transform: translateY(0); }
  .reveal-d1 { transition-delay: 0.08s; }
  .reveal-d2 { transition-delay: 0.16s; }
  .reveal-d3 { transition-delay: 0.24s; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-33.333%); }
}
.fu { animation: fadeUp 0.6s ease-out both; }
.fu1 { animation: fadeUp 0.6s ease-out 0.08s both; }
.fu2 { animation: fadeUp 0.6s ease-out 0.16s both; }
.fu3 { animation: fadeUp 0.6s ease-out 0.24s both; }
.fu4 { animation: fadeUp 0.6s ease-out 0.32s both; }

/* ==============================================
   BUTTONS
   ============================================== */
.btn-p {
  background: var(--black); color: var(--white);
  border: 2px solid var(--black); padding: 14px 32px;
  font-size: 14px; font-weight: 700;
  font-family: var(--font-display);
  cursor: pointer; transition: all 0.2s;
  text-transform: uppercase; letter-spacing: 0.04em;
  display: inline-block;
}
.btn-p:hover {
  background: var(--blue); border-color: var(--blue);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--black);
}
.btn-p:active { transform: translate(0,0); box-shadow: none; }
.btn-p:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; }

.btn-s {
  background: transparent; color: var(--black);
  border: 2px solid var(--black); padding: 14px 32px;
  font-size: 14px; font-weight: 700;
  font-family: var(--font-display);
  cursor: pointer; transition: all 0.2s;
  text-transform: uppercase; letter-spacing: 0.04em;
  display: inline-block;
}
.btn-s:hover {
  background: var(--yellow);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--black);
}
.btn-s:active { transform: translate(0,0); box-shadow: none; }
.btn-s:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; }

.btn-color {
  color: var(--white); border-color: currentColor;
}
.btn-color:hover {
  transform: translate(-2px, -2px);
  filter: brightness(1.1);
}

/* ==============================================
   NAV
   ============================================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  border-bottom: 2px solid transparent; transition: all 0.3s;
}
.nav.scrolled {
  background: #F8F6F1EE;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--black);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 14px 40px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display); font-size: 22px;
  font-weight: 700; color: var(--black); text-transform: uppercase;
  letter-spacing: -0.02em;
  display: flex; align-items: center;
}
.nav-logo .dot {
  width: 8px; height: 8px; background: var(--red);
  border-radius: 50%; margin-left: 2px;
  position: relative; top: 3px;
}
.nav-logo .badge {
  font-family: var(--font-display); font-size: 10px;
  font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--blue);
  margin-left: 10px; padding: 3px 8px;
  border: 2px solid var(--blue);
  line-height: 1;
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-link {
  color: var(--black); font-size: 13px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em;
  font-family: var(--font-display); transition: color 0.2s;
}
.nav-link:hover { color: var(--blue); }
.nav-link:focus-visible { outline: 2px solid var(--sky); outline-offset: 2px; }
.nav-cta { padding: 10px 22px !important; font-size: 12px !important; }

.nav-burger {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; cursor: pointer; z-index: 110;
}
.nav-burger span {
  display: block; width: 24px; height: 2px;
  background: var(--black); transition: all 0.3s;
}
.nav-burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ==============================================
   HERO
   ============================================== */
.hero {
  min-height: calc(100vh - 56px); display: flex; align-items: flex-start;
  padding: 80px 40px 40px; position: relative; overflow: hidden;
  margin-top: 56px;
}
.hero-inner { max-width: 1200px; margin: 0 auto; width: 100%; position: relative; z-index: 1; }
.hero-content { max-width: 720px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px; margin-bottom: 20px;
}
.hero-badge .swatch { width: 12px; height: 12px; }
.hero-badge .lbl {
  font-family: var(--font-display); font-size: 12px;
  font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--text-muted); margin-left: 8px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(44px, 6vw, 64px); font-weight: 700;
  line-height: 1.0; color: var(--black); margin-bottom: 16px;
  text-transform: uppercase; letter-spacing: -0.02em;
}
.hero h1 .hl { color: var(--blue); }
.hero h1 .dot-r { color: var(--red); }
.hero .lead {
  font-size: 18px; line-height: 1.75; color: var(--text-muted);
  max-width: 500px; margin-bottom: 24px;
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-stats {
  display: inline-flex; margin-top: 32px;
  border: 2px solid var(--black); overflow: hidden;
}
.hero-stat {
  padding: 16px 28px; border-right: 2px solid var(--black);
}
.hero-stat:last-child { border-right: none; }
.hero-stat .val {
  font-family: var(--font-display);
  font-size: 20px; font-weight: 700; color: var(--black);
}
.hero-stat .lbl {
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; margin-top: 2px;
}

/* ==============================================
   MARQUEE
   ============================================== */
.marquee-wrap {
  border-top: 2px solid var(--black); border-bottom: 2px solid var(--black);
  background: var(--black); padding: 14px 0; overflow: hidden; white-space: nowrap;
}
.marquee-track {
  display: inline-flex; align-items: center;
  animation: marquee 30s linear infinite;
}
.marquee-item {
  font-family: var(--font-display); font-size: 13px;
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em;
  padding: 0 24px;
}
.marquee-dot { width: 6px; height: 6px; flex-shrink: 0; }

/* ==============================================
   SECTION LABEL
   ============================================== */
.section-label {
  display: flex; align-items: center; gap: 16px; margin-bottom: 12px;
}
.section-label .bar { width: 40px; height: 4px; }
.section-label span {
  font-family: var(--font-display); font-size: 12px;
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.14em;
}

/* ==============================================
   CATALOGUE (formations)
   ============================================== */
.catalogue { padding: 80px 0 100px; }
.catalogue h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 50px); font-weight: 700;
  color: var(--black); text-transform: uppercase;
  line-height: 1.05; letter-spacing: -0.01em;
}
.catalogue .sub {
  font-size: 16px; color: var(--text-muted); max-width: 460px;
  line-height: 1.75; margin-top: 16px;
}

/* Catalogue cards */
.cat-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; margin-top: 56px;
}
.cat-card {
  background: var(--white); border-radius: 4px; overflow: hidden;
  border: 2px solid var(--border); transition: all 0.3s;
  box-shadow: 4px 4px 0px var(--border);
  cursor: pointer; position: relative;
}
.cat-card:hover { transform: translateY(-4px); }
.cat-card-header {
  padding: 24px 28px 20px; position: relative; overflow: hidden;
}
.cat-card-num {
  position: absolute; top: -12px; right: 12px;
  font-family: var(--font-display);
  font-size: 96px; font-weight: 700;
  color: var(--white); opacity: 0.2; line-height: 1;
}
.cat-card-header .inner { position: relative; z-index: 1; }
.cat-card-subtitle {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; display: block; margin-bottom: 6px;
}
.cat-card-title {
  font-family: var(--font-display);
  font-size: 24px; font-weight: 700; margin: 0; line-height: 1.2;
}
.cat-card-tags { display: flex; gap: 8px; margin-top: 14px; position: relative; z-index: 1; }
.cat-card-tag {
  font-size: 11px; font-weight: 700; padding: 4px 12px;
  border-radius: 2px; text-transform: uppercase; letter-spacing: 0.06em;
}
.cat-card-body { padding: 24px 28px 28px; }
.cat-card-body p { font-size: 14px; line-height: 1.75; color: var(--text-muted); margin: 0 0 16px; }
.cat-card-price {
  font-family: var(--font-display); font-weight: 700;
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em;
}
.cat-card-cta {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-size: 12px;
  font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.06em; margin-top: 16px;
  padding-top: 16px; border-top: 2px solid var(--border);
}
.cat-card-cta .arrow {
  display: inline-block; transition: transform 0.2s;
}
.cat-card:hover .cat-card-cta .arrow { transform: translateX(4px); }

/* ==============================================
   APPROCHE
   ============================================== */
.approche {
  border-top: 2px solid var(--black); border-bottom: 2px solid var(--black);
  margin-top: 40px;
}
.approche-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr 1fr 1fr;
}
.approche-item { padding: 48px 40px; }
.approche-item + .approche-item { border-left: 2px solid var(--black); }
.approche-num {
  font-family: var(--font-display);
  font-size: 64px; font-weight: 700; color: var(--black);
  opacity: 0.08; line-height: 1; margin-bottom: 16px;
}
.approche-item h4 {
  font-family: var(--font-display);
  font-size: 20px; font-weight: 700; color: var(--black);
  margin: 0 0 12px; text-transform: uppercase; letter-spacing: 0.02em;
}
.approche-item p { font-size: 14px; line-height: 1.8; margin: 0; }

/* ==============================================
   CONTACT
   ============================================== */
.contact-section { padding: 80px 40px 120px; }
.contact-box {
  max-width: 900px; margin: 0 auto;
  border: 2px solid var(--black); overflow: hidden;
}
.contact-bar { display: flex; height: 8px; }
.contact-bar div { flex: 1; }
.contact-inner { padding: 48px; background: var(--white); }
.contact-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 38px); font-weight: 700;
  color: var(--black); margin-bottom: 12px; text-transform: uppercase;
  text-align: center;
}
.contact-inner .sub {
  font-size: 15px; color: var(--text-muted); line-height: 1.7;
  max-width: 500px; margin: 0 auto 36px; text-align: center;
}
.contact-form { max-width: 600px; margin: 0 auto; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; font-family: var(--font-display);
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; margin-bottom: 6px; color: var(--black);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 14px 16px;
  background: var(--offwhite); color: var(--black);
  border: 2px solid var(--border);
  font-family: var(--font-body); font-size: 14px;
  outline: none; transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--blue); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select { cursor: pointer; }
.form-submit {
  width: 100%; padding: 16px;
  background: var(--black); color: var(--white);
  border: 2px solid var(--black);
  font-family: var(--font-display); font-size: 14px;
  font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.04em; cursor: pointer;
  transition: all 0.2s;
}
.form-submit:hover { background: var(--blue); border-color: var(--blue); }
.form-submit:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; }
.contact-fine {
  font-size: 12px; color: var(--text-light); margin-top: 16px; text-align: center;
}

/* rappel confirm */
.rappel-confirm { display: none; }
.rappel-confirm.visible { display: block; }
.confirm-msg {
  font-family: var(--font-display); font-size: 28px;
  font-weight: 700; text-transform: uppercase;
  color: var(--blue); text-align: center;
  padding: 40px 20px;
}

/* ==============================================
   FOOTER
   ============================================== */
footer {
  border-top: 2px solid var(--black); padding: 28px 40px; background: var(--black);
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.footer-logo {
  font-family: var(--font-display); font-size: 18px;
  font-weight: 700; color: var(--white); text-transform: uppercase;
  display: flex; align-items: center;
}
.footer-logo .dot { width: 8px; height: 8px; background: var(--red); border-radius: 50%; margin-left: 2px; position: relative; top: 3px; }
.footer-logo .badge {
  font-size: 9px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--sky);
  margin-left: 8px; padding: 2px 6px;
  border: 1.5px solid var(--sky);
  line-height: 1;
}
.footer-copy { font-size: 12px; color: var(--text-light); }
.footer-links { display: flex; gap: 24px; }
.footer-link {
  font-size: 12px; color: #888; font-family: var(--font-display);
  text-transform: uppercase; letter-spacing: 0.06em; transition: color 0.2s;
}
.footer-link:hover { color: var(--white); }

/* ==============================================
   DETAIL VIEW (formation detail pages)
   ============================================== */
.detail-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  padding: 24px 0 16px;
  font-family: var(--font-display); font-size: 12px;
  font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--text-light);
}
.detail-breadcrumb a {
  color: var(--text-light); transition: color 0.2s;
}
.detail-breadcrumb a:hover { color: var(--black); }
.detail-breadcrumb .sep { color: var(--border); }
.detail-breadcrumb .current { color: var(--black); }

.detail-header {
  padding: 24px 0 40px; position: relative; overflow: hidden;
}
.detail-num {
  font-family: var(--font-display); font-size: 120px;
  font-weight: 700; opacity: 0.06; line-height: 1;
  position: absolute; top: -20px; right: 40px;
}
.detail-subtitle {
  font-family: var(--font-display); font-size: 12px;
  font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; margin-bottom: 8px;
}
.detail-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 56px); font-weight: 700;
  text-transform: uppercase; line-height: 1.05;
  letter-spacing: -0.01em; margin-bottom: 16px;
}
.detail-lead {
  font-size: 17px; line-height: 1.75; color: var(--text-muted);
  max-width: 600px; margin-bottom: 24px;
}
.detail-meta {
  display: flex; gap: 12px; flex-wrap: wrap;
}
.detail-tag {
  font-family: var(--font-display); font-size: 11px;
  font-weight: 700; padding: 6px 14px;
  text-transform: uppercase; letter-spacing: 0.06em;
  border: 2px solid var(--border); background: var(--white);
}

/* Detail content grid */
.detail-grid {
  display: grid; grid-template-columns: 2fr 1fr;
  gap: 40px; padding: 0 0 80px;
}

/* Content blocks */
.detail-block {
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 2px solid var(--border);
}
.detail-block:last-child { border-bottom: none; }
.detail-block-label {
  font-family: var(--font-display); font-size: 11px;
  font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; margin-bottom: 16px;
}
.detail-block h3 {
  font-family: var(--font-display); font-size: 22px;
  font-weight: 700; margin-bottom: 16px;
}
.detail-block p {
  font-size: 15px; line-height: 1.8; color: var(--text-muted); margin-bottom: 12px;
}
.detail-list { margin-top: 12px; }
.detail-list-item {
  display: flex; align-items: flex-start; gap: 12px;
  margin-bottom: 12px; font-size: 14px; line-height: 1.6;
}
.detail-list-item .dot {
  width: 8px; height: 8px; flex-shrink: 0;
  margin-top: 6px;
}

/* Sidebar card (pricing) */
.detail-pricing {
  background: var(--white); border: 2px solid var(--black);
  box-shadow: 6px 6px 0 var(--border);
  position: sticky; top: 100px;
}
.detail-pricing-header {
  padding: 20px 24px; border-bottom: 2px solid var(--black);
}
.detail-pricing-header .label {
  font-family: var(--font-display); font-size: 11px;
  font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em;
}
.detail-pricing-body { padding: 24px; }

.pricing-amount {
  font-family: var(--font-display); font-size: 36px;
  font-weight: 700; line-height: 1; margin-bottom: 4px;
}
.pricing-unit {
  font-size: 12px; color: var(--text-light); margin-bottom: 20px;
}
.pricing-detail {
  font-size: 13px; color: var(--text-muted);
  line-height: 1.7; margin-bottom: 4px;
}
.pricing-cta {
  margin-top: 24px;
}
.pricing-cta .btn-p {
  width: 100%; text-align: center; padding: 14px;
}
.pricing-fine {
  font-size: 11px; color: var(--text-light);
  margin-top: 12px; line-height: 1.5;
}

/* Deliverables sidebar block */
.detail-deliverables {
  margin-top: 0; padding: 24px;
  border-top: 2px solid var(--border);
}
.detail-deliverables .label {
  font-family: var(--font-display); font-size: 10px;
  font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; margin-bottom: 12px;
}
.deliverable-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500;
  margin-bottom: 8px;
}
.deliverable-item .check { font-size: 14px; }

/* ==============================================
   404 PAGE
   ============================================== */
.error-page {
  min-height: 100vh;
  display: grid; grid-template-rows: auto 1fr auto;
}
.error-page header {
  padding: 14px 40px;
  border-bottom: 2px solid var(--black);
  display: flex; align-items: center;
}
.error-main {
  display: grid; grid-template-columns: 2fr 1fr;
  border-bottom: 2px solid var(--black);
}
.error-left {
  padding: 80px 40px; display: flex; flex-direction: column;
  justify-content: space-between; border-right: 2px solid var(--black);
}
.error-num {
  font-family: var(--font-display);
  font-size: clamp(80px, 18vw, 200px);
  font-weight: 700; line-height: 0.85;
  color: var(--red); letter-spacing: -0.02em;
}
.error-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 44px);
  font-weight: 700; text-transform: uppercase;
  margin-top: 16px;
}
.error-sub {
  font-size: 16px; line-height: 1.7; color: var(--text-muted);
  max-width: 400px; margin-top: 20px;
}
.error-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 48px; }
.error-right {
  background: var(--blue); padding: 60px 40px;
  display: flex; flex-direction: column; justify-content: center;
}
.error-right h3 {
  font-family: var(--font-display); font-size: 12px;
  font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--white); opacity: 0.5;
  margin-bottom: 24px;
}
.quick-link {
  display: block; padding: 16px 0;
  border-top: 1px solid rgba(255,255,255,0.15);
  color: var(--white); font-size: 13px;
  font-weight: 600; letter-spacing: 0.05em;
  text-transform: uppercase; transition: opacity 0.2s, padding-left 0.2s;
}
.quick-link:last-child { border-bottom: 1px solid rgba(255,255,255,0.15); }
.quick-link:hover { opacity: 0.6; padding-left: 8px; }
.error-footer {
  padding: 20px 40px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.error-footer p { font-size: 12px; color: var(--text-light); }
.error-footer a { color: var(--text-light); font-size: 12px; }

/* ==============================================
   RESPONSIVE
   ============================================== */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--offwhite);
    padding: 100px 40px 40px;
    gap: 24px; z-index: 105;
  }
  .nav-links.open .nav-link { font-size: 24px; }
  .nav-links.open .btn-p { text-align: center; font-size: 16px !important; padding: 18px 32px !important; }

  .cat-grid { grid-template-columns: 1fr; }
  .approche-grid { grid-template-columns: 1fr; }
  .approche-item + .approche-item { border-left: none; border-top: 2px solid var(--black); }
  .hero h1 { font-size: clamp(36px, 10vw, 56px); }
  .hero-stats { flex-direction: column; }
  .hero-stat { border-right: none; border-bottom: 2px solid var(--black); }
  .hero-stat:last-child { border-bottom: none; }
  .footer-inner { justify-content: center; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .contact-inner { padding: 32px 24px; }

  /* Detail responsive */
  .detail-grid { grid-template-columns: 1fr; }
  .detail-pricing { position: static; box-shadow: 4px 4px 0 var(--border); }
  .detail-num { display: none; }
  .detail-header { padding: 16px 0 32px; }
  .detail-lead { font-size: 15px; }

  /* 404 responsive */
  .error-main { grid-template-columns: 1fr; }
  .error-left { border-right: none; border-bottom: 2px solid var(--black); padding: 48px 24px; }
  .error-right { padding: 40px 24px; }
}

@media (max-width: 520px) {
  .container { padding-inline: 20px; }
  .nav-inner { padding: 14px 20px; }
  .hero { padding: 90px 20px 32px; }
  .contact-section { padding: 0 20px 80px; }

  .detail-pricing-header { padding: 16px 20px; }
  .detail-pricing-body { padding: 20px; }
  .detail-deliverables { padding: 20px; }
  .detail-block { margin-bottom: 28px; padding-bottom: 28px; }
  .detail-title { font-size: clamp(26px, 7vw, 40px); }
  .detail-meta { gap: 8px; }
  .detail-tag { padding: 5px 10px; font-size: 10px; }

  .error-left { padding: 32px 20px; }
  .error-right { padding: 32px 20px; }
  .error-footer { padding: 16px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}