/* ============================================================
   TalentDeck — Redesigned CSS
   Philosophy: Dark editorial, zero blur tax, typographic drama
   Architecture: @layer base → layout → components → utilities
   ============================================================ */

@layer base, layout, components, utilities;

/* ---------- Design Tokens ---------- */
:root {
  --bg:            #0a0a0f;
  --bg-2:          #0f0f18;
  --bg-3:          #141420;
  --surface:       #16161f;
  --surface-2:     #1c1c28;
  --border:        rgba(255,255,255,0.07);
  --border-bright: rgba(255,255,255,0.14);

  --text:          #f0f0f8;
  --text-2:        #9898b8;
  --text-3:        #5c5c7a;

  --accent:        #7c6af7;
  --accent-2:      #a594ff;
  --accent-glow:   rgba(124,106,247,0.22);
  --accent-soft:   rgba(124,106,247,0.10);

  --green:         #34d399;
  --amber:         #fbbf24;

  --radius-sm:     8px;
  --radius-md:     14px;
  --radius-lg:     22px;
  --radius-xl:     32px;

  --container:     1160px;
  --nav-h:         72px;

  --ease-out:      cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring:   cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
ul, ol { list-style: none; }

/* ---------- Skip Link ---------- */
.skip-link {
  position: absolute;
  left: 1rem; top: -4rem;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  z-index: 200;
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

/* ---------- Layout ---------- */
.container {
  width: min(calc(100% - 2.5rem), var(--container));
  margin-inline: auto;
}

.section { padding: 6rem 0; }
.section-sm { padding: 4rem 0; }

/* ---------- Navigation ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s, border-color 0.3s;
}

.site-header.scrolled {
  background-color: rgba(10,10,15,0.92);
  border-bottom-color: var(--border);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-size: 0.75rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.2s, background-color 0.2s;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
  background-color: var(--surface);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff !important;
  font-size: 0.88rem;
  font-weight: 600;
  transition: opacity 0.2s, transform 0.2s var(--ease-spring);
}

.nav-cta:hover { opacity: 0.88; transform: translateY(-1px); }

.menu-toggle {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
}
.menu-toggle:hover { background: var(--surface-2); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}

/* Animated gradient mesh — GPU only, no JS */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 30%, rgba(124,106,247,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 70%, rgba(52,211,153,0.08) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 60% 10%, rgba(165,148,255,0.10) 0%, transparent 50%);
  animation: meshDrift 14s ease-in-out infinite alternate;
  will-change: transform;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, black 0%, transparent 100%);
}

@keyframes meshDrift {
  0%   { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(2%, 1.5%) scale(1.03); }
  66%  { transform: translate(-1.5%, 2%) scale(0.98); }
  100% { transform: translate(1%, -1%) scale(1.02); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 4rem;
  align-items: center;
  padding: 5rem 0 6rem;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 1.5rem;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 24px; height: 2px;
  background: var(--accent);
  border-radius: 999px;
}

.hero-h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.8rem, 5.5vw, 5.2rem);
  font-weight: 800;
  line-height: 0.96;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 1.75rem;
}

.hero-h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent-2) 0%, var(--green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lede {
  font-size: 1.1rem;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 48ch;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat-item { }
.stat-value {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-3);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* Hero sidebar card */
.hero-card {
  background: var(--surface);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-xl);
  padding: 2rem;
  display: grid;
  gap: 1.25rem;
}

.hero-card-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
}

.hero-card-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.35;
  color: var(--text);
}

.hero-card-desc {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
}

.service-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-2);
  transition: border-color 0.2s, color 0.2s;
}

.chip:hover { border-color: var(--accent); color: var(--accent-2); }

.chip-dot {
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--green);
  flex-shrink: 0;
}

.hero-availability {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  background: rgba(52,211,153,0.07);
  border: 1px solid rgba(52,211,153,0.18);
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--green);
}

.avail-dot {
  width: 8px; height: 8px;
  border-radius: 999px;
  background: var(--green);
  flex-shrink: 0;
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.75); }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.2s var(--ease-spring), opacity 0.2s, box-shadow 0.2s;
  text-decoration: none;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn-primary:hover {
  box-shadow: 0 8px 32px var(--accent-glow);
  opacity: 0.92;
}

.btn-ghost {
  background: var(--surface);
  border: 1px solid var(--border-bright);
  color: var(--text);
}
.btn-ghost:hover { background: var(--surface-2); }

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.82rem;
}

/* ---------- Section Headings ---------- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 1rem;
}

.section-label::before {
  content: '';
  display: block;
  width: 18px; height: 2px;
  background: var(--accent);
  border-radius: 999px;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 52ch;
}

.section-head {
  margin-bottom: 3.5rem;
}

/* ---------- Services ---------- */
.services-bg {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-card {
  background: var(--bg-2);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background-color 0.25s;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-soft), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.service-card:hover { background: var(--surface); }
.service-card:hover::before { opacity: 1; }

.service-num {
  font-family: 'Syne', sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.service-icon {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  background: var(--accent-soft);
  border: 1px solid rgba(124,106,247,0.2);
  border-radius: var(--radius-sm);
  color: var(--accent-2);
}

.service-icon svg { width: 20px; height: 20px; }

.service-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
}

.service-desc {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.65;
  flex: 1;
}

.service-list {
  display: grid;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.service-list li {
  font-size: 0.8rem;
  color: var(--text-3);
  padding-left: 1rem;
  position: relative;
}

.service-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.7rem;
}

/* ---------- Work / Portfolio ---------- */
.work-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.work-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.25s, transform 0.25s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.work-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--accent-soft) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

.work-card:hover {
  border-color: rgba(124,106,247,0.35);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(124,106,247,0.12);
}

.work-card:hover::after { opacity: 1; }

.work-card-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.work-card-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.3;
  color: var(--text);
  position: relative;
  z-index: 1;
}

.work-card-desc {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.65;
  flex: 1;
  position: relative;
  z-index: 1;
}

.work-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  position: relative;
  z-index: 1;
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-3);
}

.work-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-2);
  position: relative;
  z-index: 1;
  transition: gap 0.2s;
}

.work-card-link:hover { gap: 0.65rem; }

/* ---------- Approach / Process ---------- */
.approach-bg {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.approach-card {
  position: relative;
  padding-top: 1.5rem;
}

.approach-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--border);
  border-radius: 999px;
  transition: background 0.3s;
}

.approach-card:hover::before {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.approach-num {
  font-family: 'Syne', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: var(--surface-2);
  line-height: 1;
  margin-bottom: 1rem;
  transition: color 0.3s;
}

.approach-card:hover .approach-num { color: var(--accent); }

.approach-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 0.6rem;
}

.approach-desc {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.7;
}

/* ---------- Contact Band ---------- */
.contact-band {
  background: var(--surface);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  position: relative;
  overflow: hidden;
}

.contact-band::before {
  content: '';
  position: absolute;
  top: -60%; right: -10%;
  width: 500px; height: 500px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(124,106,247,0.18) 0%, transparent 70%);
  pointer-events: none;
  animation: meshDrift 10s ease-in-out infinite alternate;
  will-change: transform;
}

.contact-band-copy { max-width: 52ch; position: relative; z-index: 1; }

.contact-band-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.contact-band-desc {
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 1.65;
}

.contact-band-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.contact-note {
  font-size: 0.78rem;
  color: var(--text-3);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-3);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-3);
}

/* ---------- Portfolio Page ---------- */
.page-hero {
  padding-top: calc(var(--nav-h) + 4rem);
  padding-bottom: 4rem;
}

.page-hero-inner {
  max-width: 700px;
}

.case-studies {
  display: grid;
  gap: 2rem;
}

.case-study {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color 0.25s;
}

.case-study:hover { border-color: var(--border-bright); }

.case-study-header {
  padding: 2.5rem 2.5rem 2rem;
  border-bottom: 1px solid var(--border);
}

.case-study-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.case-study-live-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.case-study-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 0.85rem;
}

.case-study-intro {
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 68ch;
  margin-bottom: 1.25rem;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  background: var(--accent-soft);
  border: 1px solid rgba(124,106,247,0.2);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-2);
}

.case-study-body {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.detail-block {
  padding: 2rem 2rem 2.5rem;
  border-right: 1px solid var(--border);
}

.detail-block:last-child { border-right: none; }

.detail-block-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.75rem;
}

.detail-block-text {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.7;
}

/* Capability cards on portfolio */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.capability-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color 0.25s, transform 0.25s var(--ease-out);
}

.capability-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-3px);
}

.capability-tag {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  background: var(--accent-soft);
  border: 1px solid rgba(124,106,247,0.2);
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-2);
  margin-bottom: 0.85rem;
}

.capability-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 0.6rem;
}

.capability-desc {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.65;
}

/* ---------- Scroll Reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

[data-reveal-delay="1"] { transition-delay: 0.1s; }
[data-reveal-delay="2"] { transition-delay: 0.2s; }
[data-reveal-delay="3"] { transition-delay: 0.3s; }
[data-reveal-delay="4"] { transition-delay: 0.4s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-card { max-width: 480px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .work-grid { grid-template-columns: repeat(2, 1fr); }
  .approach-grid { grid-template-columns: repeat(2, 1fr); }
  .case-study-body { grid-template-columns: 1fr; }
  .detail-block { border-right: none; border-bottom: 1px solid var(--border); }
  .detail-block:last-child { border-bottom: none; }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-grid .capability-card:last-child { grid-column: span 1; }
}

@media (max-width: 768px) {
  .section { padding: 4rem 0; }
  .hero-h1 { font-size: clamp(2.4rem, 8vw, 3.5rem); }
  .services-grid { grid-template-columns: 1fr; }
  .work-grid { grid-template-columns: 1fr; }
  .approach-grid { grid-template-columns: 1fr; }
  .capability-grid { grid-template-columns: 1fr; }
  .contact-band {
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem;
  }
  .contact-band-actions { align-items: flex-start; }
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: var(--nav-h) 0 0;
    background: rgba(10,10,15,0.97);
    padding: 2rem 1.5rem;
    gap: 0.5rem;
    z-index: 99;
    border-top: 1px solid var(--border);
  }
  .nav-links.open a {
    padding: 0.85rem 1rem;
    font-size: 1rem;
    border-radius: var(--radius-md);
  }
  .hero-stats { gap: 1.5rem; flex-wrap: wrap; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .case-study-header { padding: 1.75rem; }
  .detail-block { padding: 1.5rem 1.75rem; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}