/* CortexForge INC — AI Narrative Engine */

:root {
  --bg:         #07060b;
  --surface:    #0f0d14;
  --surface-2:  #16131e;
  --surface-3:  #1e1a28;
  --border:     rgba(255, 255, 255, 0.07);
  --text:       #f0ecf8;
  --muted:      #8b849c;
  --forge:      #e85d2c;
  --forge-lt:   #ff7a4d;
  --neural:     #9b6dff;
  --neural-lt:  #b794ff;
  --cyan:       #2dd4bf;
  --gradient:   linear-gradient(125deg, #e85d2c 0%, #9b6dff 50%, #2dd4bf 100%);
  --glow:       0 0 60px rgba(155, 109, 255, 0.15);
  --font-display: 'Syne', system-ui, sans-serif;
  --font-body:    'IBM Plex Sans', system-ui, sans-serif;
  --radius:     14px;
  --radius-lg:  22px;
  --shadow:     0 28px 70px rgba(0, 0, 0, 0.6);
  --ease:       0.32s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }

.container { width: min(1200px, 92vw); margin-inline: auto; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.1; letter-spacing: -0.03em; }
h1 { font-size: clamp(2.5rem, 5.5vw, 4.4rem); }
h2 { font-size: clamp(2rem, 3.8vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.65rem); }

em {
  font-style: normal;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section { padding: clamp(4rem, 8vw, 7rem) 0; }
.section-sm { padding: 2.5rem 0; }

.label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--forge-lt);
  margin-bottom: 0.9rem;
}

.lead { font-size: 1.12rem; color: var(--text); margin-bottom: 1rem; }

.section-head.center { text-align: center; max-width: 700px; margin-inline: auto; }
.section-desc { color: var(--muted); margin-top: 1rem; font-size: 1.05rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.85rem;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: none;
  cursor: pointer;
  transition: var(--ease);
}

.btn-primary {
  background: var(--gradient);
  color: #07060b;
  box-shadow: 0 8px 32px rgba(232, 93, 44, 0.3);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(155, 109, 255, 0.35); }

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.btn-outline:hover { border-color: var(--neural); color: var(--neural-lt); }

.btn-full { width: 100%; }

/* Header */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: var(--ease);
}

.header.scrolled {
  background: rgba(7, 6, 11, 0.94);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  padding: 0.7rem 0;
}

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

.brand { display: flex; align-items: center; gap: 0.75rem; }

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.8rem;
  color: #07060b;
  letter-spacing: -0.02em;
}

.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.08rem; }
.brand-inc { font-weight: 500; color: var(--muted); font-size: 0.82rem; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-menu a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted);
  transition: color var(--ease);
}

.nav-menu a:hover { color: var(--text); }

.btn-nav {
  padding: 0.55rem 1.25rem !important;
  background: var(--gradient) !important;
  color: #07060b !important;
  border-radius: 999px !important;
  font-weight: 600 !important;
}

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

.menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--ease);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding: 8rem 0 4rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img { height: 100%; }

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, var(--bg) 0%, transparent 45%),
    linear-gradient(to right, rgba(7, 6, 11, 0.92) 0%, rgba(7, 6, 11, 0.4) 55%, transparent 100%),
    linear-gradient(135deg, rgba(155, 109, 255, 0.08) 0%, transparent 50%);
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(155, 109, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(155, 109, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to bottom, transparent, black 30%, black 70%, transparent);
}

.hero-body {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--muted);
  margin: 1.5rem 0 2rem;
  max-width: 640px;
  line-height: 1.75;
}

.hero-btns { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.25rem;
}

.stat span { font-size: 0.78rem; color: var(--muted); line-height: 1.4; }

/* Marquee */
.marquee {
  border-block: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
}

.marquee-track {
  display: flex;
  gap: 3rem;
  animation: marquee 35s linear infinite;
  white-space: nowrap;
}

.marquee-track span {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  flex-shrink: 0;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-list {
  list-style: none;
  margin-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.check-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(232, 93, 44, 0.15);
  color: var(--forge-lt);
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  font-weight: 700;
  margin-top: 2px;
}

.about-visual { position: relative; }

.about-img-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow);
}

.about-img-accent {
  position: absolute;
  bottom: -2rem;
  left: -2rem;
  width: 45%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 3px solid var(--bg);
  box-shadow: var(--shadow);
  aspect-ratio: 1;
}

.about-badge {
  position: absolute;
  top: 1.5rem;
  right: -1rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  text-align: center;
  box-shadow: var(--glow);
}

.about-badge strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.4rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-badge span { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; }

/* Clients */
.clients { background: var(--surface); border-block: 1px solid var(--border); }

.logos-label {
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.logo-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 2rem;
}

.logo-row span {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.04em;
}

/* Engine */
.engine-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.engine-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--ease);
}

.engine-card:hover { border-color: rgba(155, 109, 255, 0.3); box-shadow: var(--glow); }

.engine-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.engine-card-visual { aspect-ratio: 16/10; overflow: hidden; }
.engine-card.featured .engine-card-visual { aspect-ratio: auto; min-height: 320px; }

.engine-card-body { padding: 2rem; }

.engine-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neural-lt);
  margin-bottom: 0.75rem;
}

.engine-card h3 { margin-bottom: 0.85rem; }
.engine-card p { color: var(--muted); font-size: 0.95rem; margin-bottom: 1rem; }

.engine-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.engine-card ul li {
  font-size: 0.88rem;
  color: var(--muted);
  padding-left: 1rem;
  position: relative;
}

.engine-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--forge);
}

/* Architecture */
.arch-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.arch-steps { margin-top: 2rem; display: flex; flex-direction: column; gap: 1.25rem; }

.arch-step {
  display: flex;
  gap: 1.25rem;
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--ease);
}

.arch-step:hover { border-color: rgba(232, 93, 44, 0.3); }

.arch-num {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--forge);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(232, 93, 44, 0.12);
  display: grid;
  place-items: center;
}

.arch-step h4 { font-size: 1rem; margin-bottom: 0.35rem; }
.arch-step p { font-size: 0.88rem; color: var(--muted); }

.arch-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  box-shadow: var(--shadow);
}

.arch-diagram {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 1rem;
  background: rgba(7, 6, 11, 0.88);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  flex-wrap: wrap;
}

.arch-node {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.4rem 0.7rem;
  background: var(--surface-3);
  border-radius: 6px;
  color: var(--muted);
}

.arch-node.accent {
  background: var(--gradient);
  color: #07060b;
}

.arch-arrow { color: var(--forge); font-size: 0.8rem; }

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 200px);
  gap: 0.75rem;
}

.gallery-item { border-radius: var(--radius); overflow: hidden; }
.gallery-item.wide { grid-column: span 2; }

/* Applications */
.app-grid { display: flex; flex-direction: column; gap: 3rem; }

.app-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.app-card.reverse { direction: rtl; }
.app-card.reverse > * { direction: ltr; }

.app-img { aspect-ratio: 16/10; overflow: hidden; min-height: 280px; }
.app-card:first-child .app-img { border-radius: 0; }
.app-card:not(:first-child) .app-img { min-height: 100%; }

.app-body { padding: 2.5rem; }
.app-card:first-child .app-body { padding: 2.5rem 2.5rem 2.5rem 0; }
.app-card.reverse .app-body { padding: 2.5rem 0 2.5rem 2.5rem; }

.app-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.75rem;
}

.app-body h3 { margin-bottom: 0.85rem; }
.app-body p { color: var(--muted); font-size: 0.95rem; margin-bottom: 1rem; }

.app-body ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.app-body ul li {
  font-size: 0.88rem;
  color: var(--muted);
  padding-left: 1rem;
  position: relative;
}

.app-body ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--neural);
  font-size: 0.75rem;
}

/* Technology */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.tech-card {
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--ease);
}

.tech-card:hover {
  border-color: rgba(45, 212, 191, 0.25);
  transform: translateY(-3px);
}

.tech-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 1.25rem;
  color: var(--forge-lt);
}

.tech-icon svg { width: 100%; height: 100%; }

.tech-card h3 { font-size: 1.1rem; margin-bottom: 0.65rem; }
.tech-card p { font-size: 0.9rem; color: var(--muted); }

/* Metrics */
.metrics {
  background: var(--surface);
  border-block: 1px solid var(--border);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.metric-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.35rem;
}

.metric-item span { font-size: 0.85rem; color: var(--muted); }

/* Case Studies */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.case-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--ease);
}

.case-card:hover { border-color: rgba(232, 93, 44, 0.25); transform: translateY(-4px); }

.case-img { aspect-ratio: 16/10; overflow: hidden; }
.case-body { padding: 1.75rem; }

.case-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--forge-lt);
}

.case-body h3 { margin: 0.6rem 0 0.75rem; font-size: 1.15rem; }
.case-body p { font-size: 0.88rem; color: var(--muted); margin-bottom: 1.25rem; }

.case-stats {
  display: flex;
  gap: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.case-stats strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--neural-lt);
}

.case-stats span { font-size: 0.72rem; color: var(--muted); }

/* Why */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.why-item {
  padding: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.why-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: rgba(155, 109, 255, 0.25);
  margin-bottom: 0.75rem;
}

.why-item h4 { font-size: 1rem; margin-bottom: 0.5rem; }
.why-item p { font-size: 0.88rem; color: var(--muted); }

/* FAQ */
.faq-list {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item summary {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--ease);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--forge);
  transition: transform var(--ease);
}

.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item[open] summary { color: var(--forge-lt); }

.faq-item p {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.65;
}

.faq-item a { color: var(--neural-lt); text-decoration: underline; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem;
  align-items: start;
}

.contact-details {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.contact-item strong,
.contact-item address { font-style: normal; font-size: 0.95rem; }

.contact-item a { color: var(--neural-lt); transition: color var(--ease); }
.contact-item a:hover { color: var(--forge-lt); }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

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

.form-group { margin-bottom: 1rem; }

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.4rem;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--ease);
}

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

.form-group textarea { resize: vertical; min-height: 100px; }

/* Footer */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.88rem;
  color: var(--muted);
  max-width: 280px;
  line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a { font-size: 0.88rem; color: var(--muted); transition: color var(--ease); }
.footer-links a:hover { color: var(--text); }

.footer-contact address {
  font-style: normal;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.footer-contact a {
  display: block;
  font-size: 0.88rem;
  color: var(--neural-lt);
  margin-top: 0.35rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--muted);
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .about-grid,
  .arch-layout,
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .engine-card.featured { grid-template-columns: 1fr; }
  .engine-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-img-accent { left: 1rem; bottom: -1.5rem; }
  .about-badge { right: 1rem; }
  .app-card,
  .app-card.reverse { grid-template-columns: 1fr; direction: ltr; }
  .app-body,
  .app-card.reverse .app-body { padding: 2rem; }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    inset: 0;
    top: 0;
    flex-direction: column;
    justify-content: center;
    background: rgba(7, 6, 11, 0.97);
    backdrop-filter: blur(20px);
    gap: 2rem;
    transform: translateX(100%);
    transition: transform var(--ease);
  }

  .nav-menu.open { transform: translateX(0); }
  .nav-menu a { font-size: 1.1rem; color: var(--text); }
  .menu-btn { display: flex; z-index: 1001; }

  .hero { min-height: auto; padding: 7rem 0 3rem; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .gallery-item.wide { grid-column: span 2; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .arch-visual { aspect-ratio: 16/10; }
}