:root {
  --bg-primary: #fff8ec;
  --bg-secondary: #fffdf8;
  --bg-tertiary: #f3eadb;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --surface-solid: #fffdf8;
  --text-primary: #17120d;
  --text-secondary: #685b4c;
  --text-soft: #34291f;
  --border-soft: rgba(68, 43, 24, 0.14);
  --accent-blue: #107f93;
  --accent-cyan: #0ea5b7;
  --accent-green: #137d51;
  --accent-gold: #c8842b;
  --accent-rose: #8b1e45;
  --shadow: 0 18px 48px rgba(80, 49, 22, 0.13);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1280px;
  --section-y: clamp(64px, 8vw, 104px);
  color-scheme: light;
}

[data-theme="dark"] {
  --bg-primary: #050816;
  --bg-secondary: #0b1023;
  --bg-tertiary: #111827;
  --surface: rgba(255, 255, 255, 0.055);
  --surface-strong: rgba(255, 255, 255, 0.09);
  --surface-solid: #0c1226;
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-soft: #cbd5e1;
  --border-soft: rgba(255, 255, 255, 0.08);
  --accent-blue: #3b82f6;
  --accent-cyan: #22d3ee;
  --accent-green: #34d399;
  --accent-gold: #f4c465;
  --accent-rose: #fb7185;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
  color-scheme: dark;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg-primary);
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-primary);
  background:
    radial-gradient(circle at 14% 0%, rgba(200, 132, 43, 0.24), transparent 28rem),
    radial-gradient(circle at 82% 8%, rgba(14, 165, 183, 0.14), transparent 28rem),
    radial-gradient(circle at 48% 58%, rgba(139, 30, 69, 0.08), transparent 26rem),
    linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 48%, #fff4df 100%);
  line-height: 1.6;
  overflow-x: hidden;
}

[data-theme="dark"] body {
  background:
    radial-gradient(circle at 16% 0%, rgba(59, 130, 246, 0.26), transparent 30rem),
    radial-gradient(circle at 78% 8%, rgba(34, 211, 238, 0.16), transparent 28rem),
    radial-gradient(circle at 55% 52%, rgba(244, 196, 101, 0.08), transparent 28rem),
    linear-gradient(180deg, #050816 0%, #080d1c 46%, #050816 100%);
}

body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: auto; }
button, input, select, textarea { font: inherit; }

.progress {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 120;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan), var(--accent-green));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--border-soft);
  background: rgba(255, 248, 236, 0.78);
  backdrop-filter: blur(22px);
}

[data-theme="dark"] .site-header { background: rgba(5, 8, 22, 0.74); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(34, 211, 238, 0.36);
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(200, 132, 43, 0.14), rgba(14, 165, 183, 0.09)),
    #fff url("../logo.png") center / 86% auto no-repeat;
  color: transparent;
  box-shadow: 0 0 34px rgba(34, 211, 238, 0.18);
  overflow: hidden;
}

[data-theme="dark"] .brand-mark {
  background:
    linear-gradient(135deg, rgba(34, 211, 238, 0.16), rgba(59, 130, 246, 0.06)),
    #081024 url("../logo.png") center / 86% auto no-repeat;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.05;
}

.brand strong {
  font-family: "Space Grotesk", Inter, sans-serif;
  letter-spacing: 0;
}

.brand small {
  color: var(--text-secondary);
  font-size: 0.78rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 19px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 700;
}

.site-nav a { transition: color 180ms ease; }
.site-nav a:hover, .site-nav a.active { color: var(--text-primary); }

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.header-cta:hover,
.btn:hover {
  transform: translateY(-2px);
  border-color: rgba(34, 211, 238, 0.36);
  box-shadow: 0 18px 48px rgba(34, 211, 238, 0.12);
}

.btn.primary {
  border-color: rgba(59, 130, 246, 0.52);
  background: linear-gradient(135deg, var(--accent-blue), #2563eb 58%, var(--accent-cyan));
  color: #fff;
  box-shadow: 0 22px 70px rgba(59, 130, 246, 0.28);
}

.btn.secondary { background: rgba(255, 255, 255, 0.055); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--text-primary);
}

.section,
.section-tight,
.newsletter,
.site-footer,
.page-hero {
  width: min(100%, var(--container));
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 56px);
}

.section { padding-block: var(--section-y); }
.section.compact { padding-block: clamp(48px, 7vw, 82px); }

.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100svh - 76px);
  padding: clamp(56px, 8vw, 106px) clamp(18px, 4vw, 56px) 48px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(68,43,24,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(68,43,24,0.055) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 76%);
}

[data-theme="dark"] .hero::before {
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.9fr);
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
  width: min(100%, var(--container));
  margin-inline: auto;
}

.hero-copy { min-width: 0; }

h1, h2, h3 {
  margin: 0;
  font-family: "Space Grotesk", Inter, sans-serif;
  letter-spacing: 0;
  line-height: 1.02;
}

h1 { font-size: clamp(3.25rem, 7.2vw, 7.2rem); max-width: 930px; }
h2 { font-size: clamp(1.85rem, 3.6vw, 3.65rem); }
h3 { font-size: clamp(1.08rem, 1.45vw, 1.42rem); }
p { margin: 0; }

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-cyan);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-lede {
  max-width: 760px;
  margin-top: 24px;
  color: var(--text-soft);
  font-size: clamp(1.05rem, 1.55vw, 1.28rem);
}

.hero-actions,
.hero-proof,
.pill-row,
.metric-strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions { margin-top: 34px; }
.hero-proof { margin-top: 26px; color: var(--text-secondary); }

.hero-proof span,
.pill-row span,
.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 12px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--text-secondary);
  font-size: 0.86rem;
  font-weight: 800;
}

.hero-visual {
  position: relative;
  min-height: 570px;
  perspective: 1100px;
}

.node-canvas {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 45% 35%, rgba(14, 165, 183, 0.18), transparent 20rem),
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(255, 248, 236, 0.42));
  box-shadow: var(--shadow);
  overflow: hidden;
  transform: rotateY(-8deg) rotateX(4deg);
}

[data-theme="dark"] .node-canvas {
  background:
    radial-gradient(circle at 45% 35%, rgba(34, 211, 238, 0.18), transparent 20rem),
    linear-gradient(145deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.02));
}

.node-canvas canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.system-card {
  position: absolute;
  z-index: 2;
  width: min(292px, 76%);
  padding: 17px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  background: rgba(8, 15, 32, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

:root:not([data-theme="dark"]) .system-card {
  background: rgba(255, 253, 248, 0.84);
}

.system-card strong,
.system-card span { display: block; }
.system-card span { color: var(--text-secondary); font-size: 0.92rem; }
.card-one { top: 34px; left: -20px; }
.card-two { right: -14px; bottom: 48px; }
.card-three { left: 28px; bottom: 120px; }

.section-tight {
  padding-block: 28px;
  border-block: 1px solid var(--border-soft);
}

.marquee {
  overflow: hidden;
  color: var(--text-secondary);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee-track {
  display: flex;
  gap: 34px;
  min-width: max-content;
  animation: marquee 26s linear infinite;
}

.marquee-track span {
  color: var(--text-soft);
  font-weight: 900;
  white-space: nowrap;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 24px;
}

.stat,
.solution-card,
.vision-panel,
.project-card,
.lab-item,
.feature-article,
.article-list,
.investor-card,
.career-card,
.testimonial,
.lead-form,
.newsletter,
.faq-item,
.team-card,
.mini-project-card,
.admin-card,
.admin-section,
.article-shell,
.toc-panel,
.reaction-bar {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: var(--surface);
  backdrop-filter: blur(20px);
  box-shadow: 0 18px 70px rgba(0, 0, 0, 0.22);
}

.stat {
  padding: 22px;
}

.stat strong {
  display: block;
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.stat span,
.section-head p,
.split p,
.lab-copy p,
.contact-copy p,
.solution-card p,
.project-card p,
.career-card p,
.testimonial blockquote,
.feature-article p,
.faq-item p,
.team-card p,
.mini-project-card p,
.service-detail-grid p,
.case-study-list p,
.blog-index p,
.article-shell p,
.admin-card p,
.admin-section p {
  color: var(--text-secondary);
}

.solution-card p,
.project-card p,
.career-card p,
.lab-item span,
.mini-project-card p,
.team-card p,
.faq-item p,
.admin-card p {
  font-size: 0.94rem;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(280px, 0.48fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 36px;
}

.page-hero {
  padding-top: clamp(72px, 10vw, 128px);
  padding-bottom: clamp(48px, 7vw, 88px);
  border-bottom: 1px solid var(--border-soft);
}

.page-hero h1 { max-width: 1040px; font-size: clamp(2.8rem, 6vw, 5.9rem); }
.page-hero p:last-child { max-width: 780px; margin-top: 22px; color: var(--text-secondary); font-size: 1.1rem; }

.solution-grid,
.project-grid,
.career-grid,
.testimonial-grid,
.lab-grid,
.faq-grid,
.team-grid,
.mini-project-grid,
.value-grid,
.module-grid,
.admin-grid {
  display: grid;
  gap: 16px;
}

.solution-grid { grid-template-columns: repeat(4, 1fr); }
.project-grid { grid-template-columns: repeat(3, 1fr); }
.career-grid, .testimonial-grid { grid-template-columns: repeat(3, 1fr); }
.lab-grid, .value-grid, .faq-grid { grid-template-columns: repeat(2, 1fr); }
.team-grid { grid-template-columns: repeat(3, 1fr); }
.mini-project-grid { grid-template-columns: repeat(4, 1fr); }
.module-grid { grid-template-columns: repeat(3, 1fr); }
.admin-grid { grid-template-columns: repeat(4, 1fr); }

.solution-card,
.career-card,
.testimonial,
.lab-item,
.team-card,
.mini-project-card,
.admin-card {
  padding: 20px;
}

.solution-card {
  position: relative;
  min-height: 270px;
  overflow: hidden;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.solution-card::after,
.lab-item::after {
  content: "";
  position: absolute;
  inset: auto 20px 20px auto;
  width: 74px;
  height: 74px;
  border: 1px solid rgba(34, 211, 238, 0.18);
  border-radius: 18px;
  transform: rotate(14deg);
}

.solution-card:hover,
.project-card:hover,
.lab-item:hover {
  transform: translateY(-5px);
  border-color: rgba(34, 211, 238, 0.34);
  background: rgba(255, 255, 255, 0.075);
}

.icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: 14px;
  background: rgba(34, 211, 238, 0.09);
  color: var(--accent-cyan);
  font-family: "Space Grotesk", Inter, sans-serif;
  font-weight: 900;
}

.solution-card a,
.feature-article a,
.contact-links a,
.article-list a:hover,
.admin-menu a:hover {
  color: var(--accent-cyan);
  font-weight: 900;
}

.split,
.ai-lab,
.contact-section,
.blog-layout,
.feature-article,
.case-study-list article,
.blog-index,
.admin-layout,
.article-layout {
  display: grid;
  gap: 24px;
}

.split { grid-template-columns: minmax(0, 0.94fr) minmax(320px, 0.56fr); align-items: stretch; }
.ai-lab { grid-template-columns: minmax(0, 0.62fr) minmax(320px, 0.9fr); align-items: center; border-block: 1px solid var(--border-soft); }
.contact-section { grid-template-columns: minmax(0, 0.72fr) minmax(320px, 0.64fr); align-items: start; }
.blog-layout { grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.55fr); }
.blog-index { grid-template-columns: minmax(280px, 0.42fr) 1fr; }
.admin-layout { grid-template-columns: 260px 1fr; align-items: start; }
.article-layout { grid-template-columns: 290px minmax(0, 1fr); align-items: start; }

.vision-panel,
.investor-card {
  padding: 24px;
}

.vision-panel ul {
  margin: 20px 0 0;
  padding-left: 18px;
  color: var(--text-soft);
}

.pill-row { margin-top: 24px; }

.project-card {
  overflow: hidden;
  transition: transform 180ms ease, border-color 180ms ease;
}

.project-card img {
  height: 250px;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.06);
}

.project-card div { padding: 22px; }
.project-card span,
.project-card small,
.career-card span,
.feature-article span,
.article-list span,
.mini-project-card span,
.team-card span {
  color: var(--accent-gold);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.lab-item {
  position: relative;
  min-height: 178px;
  overflow: hidden;
}

.lab-item strong,
.lab-item span { display: block; }
.lab-item span { margin-top: 10px; }
.lab-item .status-pill { margin-bottom: 16px; color: var(--accent-cyan); }

.feature-article {
  grid-template-columns: minmax(280px, 0.76fr) 1fr;
  overflow: hidden;
}

.feature-article img {
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}

.feature-article div,
.article-list { padding: 24px; }

.article-list {
  display: grid;
  gap: 14px;
}

.article-list a {
  display: grid;
  gap: 5px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-soft);
}

.roadmap {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.roadmap span {
  padding: 14px;
  border-left: 3px solid var(--accent-cyan);
  border-radius: 0 14px 14px 0;
  background: rgba(255, 255, 255, 0.045);
  color: var(--text-soft);
}

.contact-links {
  display: grid;
  gap: 11px;
  margin-top: 24px;
  color: var(--text-soft);
}

.lead-form {
  display: grid;
  gap: 14px;
  padding: 20px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--text-soft);
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  padding: 13px 14px;
  outline: none;
}

textarea { resize: vertical; }
select option { color: #081024; }

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(34, 211, 238, 0.62);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
}

.form-status {
  min-height: 22px;
  margin: 0;
  color: var(--accent-green);
  font-weight: 800;
}

.newsletter {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 0.48fr);
  gap: 24px;
  align-items: center;
  margin-bottom: 64px;
  padding-top: 32px;
  padding-bottom: 32px;
  background:
    linear-gradient(135deg, rgba(59, 130, 246, 0.18), rgba(34, 211, 238, 0.08)),
    var(--surface);
}

.newsletter h2 { font-size: clamp(1.55rem, 3vw, 2.85rem); }
.newsletter-form { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.newsletter-form .form-status { grid-column: 1 / -1; }

.site-footer {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 28px;
  padding-top: 44px;
  padding-bottom: 44px;
  border-top: 1px solid var(--border-soft);
}

.site-footer p,
.site-footer a { color: var(--text-secondary); }
.site-footer h3 { margin: 0 0 12px; font-size: 1rem; }
.site-footer a { display: block; margin-top: 8px; }

.service-detail-grid,
.case-study-list {
  display: grid;
  gap: 18px;
}

.service-detail-grid { grid-template-columns: repeat(2, 1fr); }

.service-detail-grid article,
.case-study-list article,
.toc-panel,
.article-shell,
.reaction-bar {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 26px;
}

.case-study-list article {
  grid-template-columns: minmax(280px, 0.46fr) 1fr;
  align-items: center;
}

.case-study-list img {
  height: 340px;
  object-fit: cover;
  border-radius: 18px;
}

.team-avatar {
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  margin-bottom: 14px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: #fff;
  font-weight: 900;
  overflow: hidden;
}

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

.faq-item summary {
  cursor: pointer;
  color: var(--text-primary);
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: 1.08rem;
  font-weight: 900;
}

.faq-item p { margin-top: 12px; }

.nav-tools {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.site-nav .nav-tools { display: none; }

.icon-btn,
.assistant-launcher,
.whatsapp-float {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  box-shadow: var(--shadow);
  cursor: pointer;
}

.translator-select {
  min-width: 112px;
  height: 42px;
  padding: 0 10px;
}

.assistant-launcher,
.whatsapp-float {
  position: fixed;
  right: 18px;
  z-index: 95;
}

.assistant-launcher {
  bottom: 82px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: #fff;
  font-weight: 900;
}

.whatsapp-float {
  bottom: 26px;
  background: #18a957;
  color: #fff;
  font-weight: 900;
}

.assistant-panel {
  position: fixed;
  right: 18px;
  bottom: 136px;
  z-index: 96;
  display: none;
  width: min(420px, calc(100vw - 36px));
  max-height: min(720px, calc(100vh - 160px));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: var(--surface-solid);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.assistant-panel.open { display: grid; grid-template-rows: auto 1fr auto; }
.assistant-head, .assistant-form {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 14px;
  border-bottom: 1px solid var(--border-soft);
}
.assistant-head { justify-content: space-between; }
.assistant-head strong, .assistant-head span { display: block; }
.assistant-head span { color: var(--text-secondary); font-size: 0.86rem; }
.assistant-log { display: grid; align-content: start; gap: 10px; min-height: 300px; overflow: auto; padding: 14px; }
.assistant-msg { max-width: 86%; padding: 11px 12px; border-radius: 14px; background: rgba(59, 130, 246, 0.12); }
.assistant-msg.user { justify-self: end; background: rgba(34, 211, 238, 0.14); }
.assistant-rich {
  display: grid;
  gap: 8px;
}
.assistant-rich p,
.assistant-rich ul {
  margin: 0;
}
.assistant-rich ul {
  padding-left: 18px;
}
.assistant-rich strong {
  color: var(--text-primary);
}
.assistant-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border-soft);
}
.mini-btn {
  min-height: 30px;
  padding: 6px 9px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  font-size: 0.78rem;
  font-weight: 900;
  cursor: pointer;
}
.assistant-form { border-top: 1px solid var(--border-soft); border-bottom: 0; }
.assistant-form input { min-width: 0; }

.portal-progress {
  height: 10px;
  margin: 16px 0 10px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}
.portal-progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
}
.portal-chat {
  display: grid;
  gap: 10px;
  min-height: 180px;
  max-height: 360px;
  overflow: auto;
  margin: 16px 0;
  padding: 14px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}
.portal-chat .assistant-msg {
  display: grid;
  gap: 5px;
}
.portal-chat .assistant-msg p {
  margin: 0;
}

.share-row,
.admin-form-grid,
.comment-box {
  display: grid;
  gap: 12px;
}
.share-row { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.share-row a {
  text-align: center;
  padding: 10px;
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.055);
  font-weight: 900;
}

.toc-panel {
  position: sticky;
  top: 96px;
}
.toc-panel a { display: block; margin-top: 10px; color: var(--text-secondary); font-weight: 800; }
.article-shell { display: grid; gap: 22px; }
.article-shell h2 { font-size: clamp(1.8rem, 3vw, 3rem); }
.article-shell pre {
  overflow: auto;
  padding: 18px;
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  background: #020617;
  color: var(--text-soft);
}
.reaction-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; }

.admin-shell { max-width: var(--container); margin: 0 auto; padding: 42px clamp(18px, 4vw, 56px); }
.admin-top { display: flex; justify-content: space-between; gap: 18px; align-items: center; margin-bottom: 28px; }
.admin-card strong { display: block; font-family: "Space Grotesk", Inter, sans-serif; font-size: 2rem; }
.admin-menu { position: sticky; top: 96px; display: grid; gap: 8px; }
.admin-menu a { padding: 12px; border: 1px solid var(--border-soft); border-radius: 14px; background: var(--surface); font-weight: 900; }
.admin-section { padding: 24px; margin-bottom: 18px; }
.admin-form-grid { grid-template-columns: repeat(2, 1fr); }
.admin-table { width: 100%; border-collapse: collapse; overflow: hidden; }
.admin-table th, .admin-table td { padding: 12px; border-bottom: 1px solid var(--border-soft); text-align: left; }

.mobile-bottom-cta {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 94;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--border-soft);
  border-radius: 20px;
  background: rgba(5, 8, 22, 0.86);
  backdrop-filter: blur(18px);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; scroll-behavior: auto !important; transition-duration: 1ms !important; }
}

@media (max-width: 1120px) {
  .site-nav, .header-cta { display: none; }
  .site-nav.always { display: flex; }
  .nav-toggle { display: block; }
  .site-nav.open {
    position: fixed;
    inset: 78px 16px auto;
    display: grid;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--border-soft);
    border-radius: 20px;
    background: rgba(5, 8, 22, 0.98);
    box-shadow: var(--shadow);
  }
  .site-nav.open a { padding: 14px; }
  .hero-grid, .split, .ai-lab, .blog-layout, .contact-section, .newsletter, .case-study-list article, .blog-index, .article-layout, .admin-layout {
    grid-template-columns: 1fr;
  }
  .hero-visual { min-height: 460px; }
  .solution-grid, .stat-grid, .project-grid, .career-grid, .testimonial-grid, .lab-grid, .faq-grid, .team-grid, .mini-project-grid, .module-grid, .admin-grid, .site-footer {
    grid-template-columns: repeat(2, 1fr);
  }
  .section-head { grid-template-columns: 1fr; }
  .feature-article { grid-template-columns: 1fr; }
  .toc-panel, .admin-menu { position: static; }
}

@media (max-width: 720px) {
  .site-header {
    justify-content: flex-start;
    padding-inline: 16px;
    min-height: 76px;
  }
  .nav-toggle {
    position: static;
    margin-left: 8px;
    display: block;
    flex: 0 0 44px;
  }
  .brand span:last-child { max-width: 156px; }
  .brand strong { font-size: 0.92rem; }
  .site-header > .nav-tools { display: none; }
  .site-nav.open .nav-tools {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 12px 14px 4px;
  }
  .site-nav.open .nav-tools .translator-select,
  .site-nav.open .nav-tools .icon-btn {
    width: 100%;
    min-width: 0;
  }
  .hero { min-height: auto; padding-top: 48px; padding-bottom: 84px; }
  h1 {
    font-size: clamp(1.9rem, 8vw, 2.35rem);
    overflow-wrap: anywhere;
  }
  .hero h1 { max-width: 330px; }
  .hero-lede { font-size: 1rem; }
  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .hero-actions .btn {
    width: 100%;
    padding-inline: 12px;
    font-size: 0.9rem;
  }
  .hero-proof {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .hero-proof span {
    justify-content: center;
    min-width: 0;
    text-align: center;
    font-size: 0.78rem;
    padding-inline: 8px;
  }
  .hero-visual { min-height: 390px; }
  .card-one { left: 10px; top: 16px; }
  .card-two { right: 10px; bottom: 18px; }
  .card-three { display: none; }
  .solution-grid, .stat-grid, .service-detail-grid, .project-grid, .career-grid, .testimonial-grid, .lab-grid, .faq-grid, .team-grid, .mini-project-grid, .module-grid, .admin-grid, .site-footer, .value-grid {
    grid-template-columns: 1fr;
  }
  .newsletter-form, .admin-form-grid, .share-row { grid-template-columns: 1fr; }
  .mobile-bottom-cta { display: grid; }
  .assistant-launcher { bottom: 92px; }
  .whatsapp-float { bottom: 38px; }
}