/* ============================================================
   SILX SCREEN — stylesheet
   Palette: Turquoise #34D3CE · Charcoal #0F172A · Slate #1E293B
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;900&display=swap');

:root {
  /* Brand palette */
  --primary:      #34D3CE;
  --primary-dark: #22B5B0;
  --sky:          #60A5FA;
  --success:      #22C55E;
  --warning:      #F59E0B;

  /* Dark theme */
  --bg:       #0F172A;   /* charcoal — page background   */
  --surface:  #1E293B;   /* slate — cards / panels       */
  --surface2: #253550;   /* slightly lighter surface     */
  --text:     #F8FAFC;   /* near-white — body text       */
  --muted:    #94A3B8;   /* slate-400 — secondary text   */
  --border:   rgba(255,255,255,0.09);

  /* Aliases so existing rules keep working */
  --black:  var(--bg);
  --white:  var(--text);
  --red:    var(--primary);
  --red2:   var(--primary-dark);
  --gray:   var(--surface);
  --paper:  var(--bg);

  --max:    1200px;
  --ease:   cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3),  0 1px 2px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4), 0 2px 6px rgba(0,0,0,0.2);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5),0 4px 12px rgba(0,0,0,0.3);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

/* ── Utility ── */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 40px;
}

.eyebrow {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  border: 2px solid transparent;
}

.btn-red   { background: var(--red);   color: var(--white); }
.btn-red:hover { background: var(--red2); }

.btn-black { background: var(--surface2); color: var(--text); }
.btn-black:hover { background: var(--primary); color: var(--bg); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover { border-color: var(--white); }

.btn-outline-dark {
  background: transparent;
  color: var(--text);
  border-color: var(--text);
}
.btn-outline-dark:hover { background: var(--primary); color: var(--bg); border-color: var(--primary); }

/* ── Top bar ── */
.topbar {
  background: var(--black);
  color: rgba(255,255,255,0.7);
  font-size: 0.78rem;
  padding: 9px 0;
  letter-spacing: 0.04em;
}

.topbar .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.topbar a { color: rgba(255,255,255,0.7); }
.topbar a:hover { color: var(--white); }

.topbar-left { display: flex; gap: 24px; }
.topbar-right { display: flex; gap: 20px; align-items: center; }

/* ── Main nav ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo img {
  height: 48px;
  width: auto;
}

.nav-logo-text {
  font-size: 1.45rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1;
}

.nav-logo-text em {
  font-style: normal;
  color: var(--red);
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav-logo-img {
  height: 48px;
  width: auto;
  display: block;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  padding: 4px 0;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transition: transform 0.2s;
}

.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--red); }

.nav-cta { margin-left: 8px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all 0.2s;
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--black);
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 80px 40px;
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
}

.hero-content .eyebrow { color: rgba(255,255,255,0.6); }

.hero-title {
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 28px;
  max-width: 880px;
}

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

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.7;
}

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

/* ── Page hero (inner pages) ── */
.page-hero {
  background: url('../images/SR2.webp') center center / cover no-repeat;
  color: var(--white);
  padding: 80px 0 72px;
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.72);
  z-index: 0;
}

.page-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
  background: var(--red);
}

.page-hero-wrap { padding-left: 52px; }

.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  max-width: 520px;
}

/* ── Section wrappers ── */
.section      { padding: 100px 0; }
.section-sm   { padding: 64px 0; }
.section-gray { background: var(--gray); }
.section-black { background: var(--black); color: var(--white); }

.section-head {
  margin-bottom: 64px;
}

.section-head h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-top: 8px;
}

.section-head p {
  color: var(--muted);
  max-width: 560px;
  margin-top: 16px;
  font-size: 1rem;
}

.section-head.center { text-align: center; }
.section-head.center p { margin-left: auto; margin-right: auto; }

/* ── Services grid ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
}

.service-card {
  background: var(--bg);
  padding: 44px 36px;
  position: relative;
  overflow: hidden;
  transition: background 0.2s;
}

.service-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s;
}

.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { background: var(--surface2); }

.service-num {
  font-size: 3rem;
  font-weight: 900;
  color: var(--border);
  line-height: 1;
  margin-bottom: 20px;
  letter-spacing: -0.04em;
}

.service-card h3 {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 24px;
}

.service-card .arrow-link {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.service-card .arrow-link::after { content: '→'; }

/* ── Feature split (image + text) ── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 560px;
}

.split.reverse .split-img { order: 2; }

.split-img {
  overflow: hidden;
  position: relative;
}

.split-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split-body {
  padding: 80px 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.split-body ul {
  margin: 24px 0 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.split-body ul li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--muted);
}

.split-body ul li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
  margin-top: 8px;
  flex-shrink: 0;
}

.split-body h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-top: 8px;
}

/* ── Stats bar ── */
.stats-bar {
  background: var(--red);
  color: var(--white);
  padding: 52px 0;
}

.stats-bar .wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item strong {
  display: block;
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
}

.stat-item span {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.8;
  margin-top: 6px;
  display: block;
}

/* ── Gallery / Portfolio ── */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 240px;
  gap: 3px;
}

.portfolio-grid .item {
  overflow: hidden;
  position: relative;
  background: var(--gray);
}

.portfolio-grid .item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.25,0.46,0.45,0.94);
}

.portfolio-grid .item:hover img { transform: scale(1.07); }

.portfolio-grid .item .caption {
  position: absolute;
  inset: 0;
  background: rgba(17,17,17,0);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  transition: background 0.25s;
}

.portfolio-grid .item:hover .caption {
  background: rgba(17,17,17,0.65);
}

.portfolio-grid .item .caption span {
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s, transform 0.25s;
}

.portfolio-grid .item:hover .caption span { opacity: 1; transform: translateY(0); }

/* Column span helpers */
.col-4  { grid-column: span 4; }
.col-6  { grid-column: span 6; }
.col-3  { grid-column: span 3; }
.col-8  { grid-column: span 8; }
.row-2  { grid-row: span 2; }

/* Gallery filter */
.filter-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-tabs button {
  background: transparent;
  border: 1px solid var(--border);
  padding: 9px 20px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.15s;
  font-family: inherit;
}

.filter-tabs button:hover { border-color: var(--text); }

.filter-tabs button.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--bg);
}

/* ── Process steps ── */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border);
}

.process-step {
  padding: 40px 32px;
  border-right: 1px solid var(--border);
  position: relative;
}

.process-step:last-child { border-right: none; }

.process-step .step-num {
  font-size: 4rem;
  font-weight: 900;
  color: var(--red);
  line-height: 1;
  margin-bottom: 20px;
  letter-spacing: -0.05em;
}

.process-step h3 {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.process-step p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ── Testimonials ── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
}

.testimonial {
  background: var(--bg);
  padding: 40px 36px;
}

.testimonial blockquote {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text);
  font-style: italic;
  margin-bottom: 24px;
}

.testimonial cite {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-style: normal;
}

.testimonial cite span {
  display: block;
  color: var(--red);
  margin-top: 2px;
}

/* ── CTA Band ── */
.cta-band {
  background: var(--black);
  color: var(--white);
  padding: 88px 0;
  text-align: center;
}

.cta-band h2 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 16px;
}

.cta-band p {
  color: rgba(255,255,255,0.6);
  max-width: 500px;
  margin: 0 auto 36px;
  font-size: 1rem;
}

.cta-band .btn-red:hover { background: var(--red2); }

/* ── Team ── */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--border);
}

.team-card {
  background: var(--bg);
  overflow: hidden;
}

.team-card .photo {
  aspect-ratio: 1;
  overflow: hidden;
}

.team-card .photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.team-card:hover .photo img { transform: scale(1.05); }

.team-card .info {
  padding: 20px 22px;
  border-top: 3px solid var(--red);
}

.team-card .info h3 {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.team-card .info span {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── Contact page ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.contact-info h2 {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 32px;
}

.contact-info .info-item {
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}

.contact-info .info-item:first-of-type { border-top: 1px solid var(--border); }

.info-item label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.info-item a,
.info-item p {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

.info-item a:hover { color: var(--red); }

/* Contact form */
.contact-form {
  display: grid;
  gap: 20px;
}

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

.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  border: 1px solid var(--border);
  padding: 14px 16px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface2);
  border-radius: 2px;
  transition: border-color 0.15s;
  outline: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  outline: none;
}

.form-group textarea { min-height: 140px; resize: vertical; }

/* ── Footer ── */
.site-footer {
  background: var(--bg);
  color: rgba(255,255,255,0.55);
  padding: 72px 0 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand h3 {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.footer-brand h3 em {
  font-style: normal;
  color: var(--red);
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 260px;
  margin-bottom: 24px;
}

.footer-col h4 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-col ul li a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  transition: color 0.15s;
}

.footer-col ul li a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom a { color: rgba(255,255,255,0.3); }
.footer-bottom a:hover { color: rgba(255,255,255,0.7); }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .split { grid-template-columns: 1fr; }
  .split-img { min-height: 380px; }
  .split.reverse .split-img { order: 0; }
  .split-body { padding: 56px 40px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid .col-8 { grid-column: span 12; }
  .portfolio-grid .col-4 { grid-column: span 6; }
  .portfolio-grid .col-6 { grid-column: span 12; }
  .portfolio-grid .col-3 { grid-column: span 6; }
  .stats-bar .wrap { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-step:nth-child(2) { border-right: none; }
  .process-step:nth-child(1),
  .process-step:nth-child(2) { border-bottom: 1px solid var(--border); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
  .wrap { padding: 0 24px; }
  .section { padding: 72px 0; }
  .topbar { display: none; }

  .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: var(--bg); flex-direction: column; padding: 24px;
    border-bottom: 1px solid var(--border); gap: 0; z-index: 99; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid var(--border); font-size: 1rem; }
  .nav-links a:last-child { border-bottom: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .hero { min-height: 80vh; }

  .services-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; border: none; gap: 2px; }
  .process-step { border-right: none !important; border-bottom: 1px solid var(--border) !important;
    border: 1px solid var(--border); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; }
  .portfolio-grid .col-4,
  .portfolio-grid .col-6,
  .portfolio-grid .col-8,
  .portfolio-grid .col-3 { grid-column: span 12; }
  .portfolio-grid .row-2 { grid-row: span 1; }
  .form-row { grid-template-columns: 1fr; }
  .stats-bar .wrap { grid-template-columns: repeat(2, 1fr); }
  .mobile-cta-bar { display: flex; }
  body { padding-bottom: 72px; }
}

/* ============================================================
   PROFESSIONAL UI ENHANCEMENTS
   ============================================================ */

/* ── Scroll progress bar ── */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 0%;
  height: 3px;
  background: var(--red);
  z-index: 9999;
  transition: width 0.1s linear;
}

/* ── Page load fade-in ── */
body {
  animation: pageFadeIn 0.4s ease both;
}

@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Hero text entrance ── */
.hero-content .eyebrow   { animation: slideUp 0.7s var(--ease) 0.1s both; }
.hero-content .hero-title { animation: slideUp 0.8s var(--ease) 0.22s both; }
.hero-content .hero-sub   { animation: slideUp 0.7s var(--ease) 0.36s both; }
.hero-content .hero-actions { animation: slideUp 0.7s var(--ease) 0.48s both; }

.page-hero .eyebrow { animation: slideUp 0.6s var(--ease) 0.1s both; }
.page-hero h1       { animation: slideUp 0.7s var(--ease) 0.2s both; }
.page-hero p        { animation: slideUp 0.6s var(--ease) 0.32s both; }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Scroll-reveal ── */
[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}

[data-reveal].visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal="left"] {
  transform: translateX(-32px);
}
[data-reveal="left"].visible { transform: translateX(0); }

[data-reveal="right"] {
  transform: translateX(32px);
}
[data-reveal="right"].visible { transform: translateX(0); }

[data-reveal="scale"] {
  transform: scale(0.96) translateY(16px);
}
[data-reveal="scale"].visible { transform: scale(1) translateY(0); }

/* Stagger children */
[data-stagger] > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

[data-stagger].visible > *:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: none; }
[data-stagger].visible > *:nth-child(2) { transition-delay: 0.15s; opacity: 1; transform: none; }
[data-stagger].visible > *:nth-child(3) { transition-delay: 0.25s; opacity: 1; transform: none; }
[data-stagger].visible > *:nth-child(4) { transition-delay: 0.35s; opacity: 1; transform: none; }

/* ── Enhanced nav ── */
.site-nav {
  transition: box-shadow 0.25s ease;
}

.site-nav.scrolled {
  box-shadow: var(--shadow-md);
}

/* Nav hamburger animation */
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-toggle span { transition: transform 0.2s ease, opacity 0.2s ease; }

/* ── Enhanced buttons ── */
.btn {
  position: relative;
  overflow: hidden;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s, box-shadow 0.2s;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.12);
  opacity: 0;
  transition: opacity 0.2s;
}

.btn:hover::after { opacity: 1; }
.btn:active { transform: scale(0.98); }

.btn-red  { box-shadow: 0 4px 14px rgba(52,211,206,0.35); }
.btn-red:hover { box-shadow: 0 6px 20px rgba(52,211,206,0.45); transform: translateY(-1px); }

.btn-black:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }

/* ── Enhanced service cards ── */
.service-card {
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  z-index: 1;
}

/* ── Enhanced split images ── */
.split-img img {
  transition: transform 0.6s var(--ease);
}

.split:hover .split-img img {
  transform: scale(1.03);
}

/* ── Enhanced stats ── */
.stat-item strong {
  display: block;
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  transition: transform 0.3s var(--ease);
}

.stat-item:hover strong {
  transform: scale(1.08);
}

/* ── Enhanced testimonials ── */
.testimonial {
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
  position: relative;
}

.testimonial::before {
  content: '\201C';
  position: absolute;
  top: 24px; right: 28px;
  font-size: 5rem;
  line-height: 1;
  color: var(--border);
  font-family: Georgia, serif;
}

.testimonial:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  z-index: 1;
}

/* ── Enhanced form ── */
.form-group {
  position: relative;
}

.form-group input,
.form-group select,
.form-group textarea {
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--text);
  box-shadow: 0 0 0 3px rgba(17,17,17,0.07);
}

.form-group input:valid:not(:placeholder-shown) {
  border-color: #2e7d32;
}

/* ── Enhanced portfolio grid ── */
.portfolio-grid .item {
  transition: transform 0.3s var(--ease);
}

.portfolio-grid .item:hover {
  transform: scale(1.01);
  z-index: 2;
}

/* ── Team card ── */
.team-card {
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* ── Mobile floating CTA bar ── */
.mobile-cta-bar {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 200;
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 12px 20px;
  gap: 10px;
  align-items: center;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
}

.mobile-cta-bar a:first-child {
  flex: 1;
  text-align: center;
  background: var(--surface2);
  color: var(--text);
  padding: 13px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
}

.mobile-cta-bar a:last-child {
  flex: 1;
  text-align: center;
  background: var(--red);
  color: var(--white);
  padding: 13px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
  box-shadow: 0 4px 14px rgba(52,211,206,0.35);
}

/* ── Back to top button ── */
#back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 48px; height: 48px;
  background: var(--surface2);
  color: var(--text);
  border: none;
  border-radius: 2px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  z-index: 150;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s, background 0.2s;
  box-shadow: var(--shadow-md);
}

#back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

#back-to-top:hover {
  background: var(--primary);
  color: var(--bg);
  box-shadow: 0 6px 20px rgba(52,211,206,0.4);
}

@media (max-width: 768px) {
  #back-to-top { bottom: 90px; right: 16px; }
}

/* ── Image shimmer loading state ── */
.split-img,
.portfolio-grid .item,
.team-card .photo {
  background: linear-gradient(90deg, var(--surface) 25%, var(--surface2) 50%, var(--surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.split-img img,
.portfolio-grid .item img,
.team-card .photo img {
  opacity: 0;
  transition: opacity 0.4s ease;
}

.split-img img.loaded,
.portfolio-grid .item img.loaded,
.team-card .photo img.loaded {
  opacity: 1;
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Footer link hover accent ── */
.footer-col ul li a {
  position: relative;
  padding-left: 0;
  transition: color 0.15s, padding-left 0.2s;
}

.footer-col ul li a:hover {
  color: var(--white);
  padding-left: 10px;
}

.footer-col ul li a::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--red);
  transform: translateY(-50%) scale(0);
  transition: transform 0.2s;
}

.footer-col ul li a:hover::before { transform: translateY(-50%) scale(1); }

/* ── Section divider accent ── */
.section-head .eyebrow {
  position: relative;
  padding-left: 16px;
}

.section-head .eyebrow::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--red);
  transform: translateY(-50%);
}

/* ── Process step hover ── */
.process-step {
  transition: background 0.2s;
}

.process-step:hover {
  background: var(--surface2);
}

.process-step:hover .step-num {
  color: var(--text);
  transition: color 0.2s;
}

/* ── Selection color ── */
::selection {
  background: var(--red);
  color: var(--white);
}

/* ── Focus ring ── */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

/* ── Smooth image reveal on portfolio filter ── */
.portfolio-grid .item {
  transition: opacity 0.3s ease, transform 0.3s var(--ease);
}

.portfolio-grid .item[style*="none"] {
  pointer-events: none;
}