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

:root {
  --bg:          #030810;
  --bg-2:        #051220;
  --bg-3:        #07192E;
  --bg-4:        #0A203A;
  --bg-card:     #040E1C;

  --purple:      #1976D2;
  --purple-light:#42A5F5;
  --purple-dim:  #0D47A1;
  --purple-glow: rgba(25,118,210,0.25);

  --cyan:        #00ACC1;
  --cyan-light:  #4DD0E1;
  --cyan-dim:    #00838F;
  --cyan-glow:   rgba(0,172,193,0.2);

  --gold:        #F97316;
  --gold-light:  #FB923C;
  --gold-glow:   rgba(249,115,22,0.2);

  --green:       #10b981;
  --red:         #ef4444;
  --white:       #ffffff;
  --gray-100:    #f1f5f9;
  --gray-300:    #94a3b8;
  --gray-500:    #64748b;
  --gray-700:    #334155;

  --font-sans:    'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm:  8px;
  --radius:     16px;
  --radius-lg:  24px;

  --transition:      0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.18s ease;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 96px 0; }

/* ── Scroll Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── Typography ── */
.gradient-text {
  background: linear-gradient(135deg, #42A5F5, #4DD0E1, #FB923C, #42A5F5);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s linear infinite;
}
@keyframes gradientShift {
  0%   { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--purple-light);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
}
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section-sub {
  color: var(--gray-300);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--purple), var(--purple-light));
  color: var(--white);
  box-shadow: 0 4px 24px var(--purple-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(25,118,210,0.45);
}
.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.15);
}
.btn-ghost:hover {
  border-color: var(--purple-light);
  color: var(--purple-light);
  transform: translateY(-2px);
}
.btn-full { width: 100%; justify-content: center; }
.btn-lg   { padding: 16px 32px; font-size: 1rem; }
.btn-icon { width: 18px; height: 18px; flex-shrink: 0; }

/* ──────────────────────────────────────────────
   NAVIGATION
────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: background var(--transition), border-color var(--transition);
}
#navbar.scrolled {
  background: rgba(5,4,16,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(25,118,210,0.15);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
}
.logo-mark {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--white);
  flex-shrink: 0;
}
.logo-mark.sm { width: 28px; height: 28px; font-size: 0.85rem; }
.logo-mari { color: var(--purple-light); }   /* blue — matches "MARI" */
.logo-tark { color: var(--gold-light); }    /* orange — matches "TARK" */

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-300);
  transition: color var(--transition-fast);
}
.nav-links a:hover { color: var(--white); }
.nav-cta {
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--purple), var(--purple-light)) !important;
  color: var(--white) !important;
  font-weight: 600 !important;
  transition: transform var(--transition), box-shadow var(--transition) !important;
}
.nav-cta:hover {
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 20px var(--purple-glow) !important;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ──────────────────────────────────────────────
   HERO
────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 48px;
  padding: 100px 48px 80px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}
.hero-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(25,118,210,0.07) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse 90% 90% at 40% 30%, black 20%, transparent 100%);
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}
.orb-1 { width: 700px; height: 700px; top: -200px; right: -200px; background: radial-gradient(circle, rgba(25,118,210,0.15) 0%, transparent 70%); }
.orb-2 { width: 400px; height: 400px; bottom: 0; left: -100px; background: radial-gradient(circle, rgba(0,172,193,0.1) 0%, transparent 70%); }
.orb-3 { width: 300px; height: 300px; top: 40%; left: 35%; background: radial-gradient(circle, rgba(25,118,210,0.08) 0%, transparent 70%); }

.hero-content { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--purple-light);
  border: 1px solid rgba(25,118,210,0.35);
  border-radius: 99px;
  padding: 6px 16px;
  margin-bottom: 28px;
  background: rgba(25,118,210,0.06);
}
.badge-pulse {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--purple-light);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.8); }
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--gray-300);
  line-height: 1.75;
  margin-bottom: 36px;
}
.hero-sub strong { color: var(--white); font-weight: 600; }
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}
.hero-metrics {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.metric { text-align: center; }
.metric-num {
  display: inline;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--purple-light);
}
.metric-sym {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--cyan-light);
}
.metric-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-top: 2px;
}
.metric-divider {
  width: 1px; height: 40px;
  background: rgba(255,255,255,0.08);
}

/* ── Terminal ── */
.hero-terminal { position: relative; z-index: 1; }
.terminal {
  background: var(--bg-card);
  border: 1px solid rgba(25,118,210,0.2);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 0 80px rgba(25,118,210,0.12), 0 32px 64px rgba(0,0,0,0.5);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.t-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.t-dot.red    { background: #ef4444; }
.t-dot.yellow { background: #F97316; }
.t-dot.green  { background: #10b981; }
.t-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--gray-500);
  margin-left: 8px;
}
.terminal-body {
  padding: 20px 20px 24px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.9;
  min-height: 260px;
}
.t-line { display: flex; gap: 8px; align-items: flex-start; }
.t-prompt { color: var(--purple-light); font-weight: 600; }
.t-cmd    { color: var(--white); }
.t-info   { color: var(--cyan-light); }
.t-success{ color: var(--green); }
.t-data   { color: var(--gold-light); }
.t-blink  {
  color: var(--purple-light);
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ──────────────────────────────────────────────
   TRUST BAR
────────────────────────────────────────────── */
.trust-bar {
  background: var(--bg-2);
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding: 24px 0;
}
.trust-bar .container {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.trust-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-500);
  white-space: nowrap;
}
.trust-logos {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  flex: 1;
}
.trust-logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-500);
  transition: color var(--transition-fast);
}
.trust-logo:hover { color: var(--gray-300); }
.trust-logo svg { width: 18px; height: 18px; flex-shrink: 0; }
.tl-text { font-family: var(--font-display); font-weight: 600; }
.tl-g { color: #4285f4; }
.tl-p { color: #20b2aa; }
.tl-m { color: #0668E1; }

/* ──────────────────────────────────────────────
   PROBLEM
────────────────────────────────────────────── */
.problem { background: var(--bg-2); }
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.problem-body {
  color: var(--gray-300);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 32px;
}
.pain-list, .solution-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.pain-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--gray-300);
}
.pain-item strong { color: var(--white); }
.pain-icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}
.pain-icon.bad  { background: rgba(239,68,68,0.15); color: var(--red); border: 1px solid rgba(239,68,68,0.3); }
.pain-icon.good { background: rgba(16,185,129,0.12); color: var(--green); border: 1px solid rgba(16,185,129,0.3); }

.solution-box {
  background: linear-gradient(135deg, var(--bg-3), var(--bg-4));
  border: 1px solid rgba(25,118,210,0.2);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: 0 0 60px rgba(25,118,210,0.08);
}
.sb-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-light);
  border: 1px solid rgba(0,172,193,0.3);
  border-radius: 99px;
  padding: 4px 12px;
  margin-bottom: 16px;
}
.solution-box h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.2;
}

/* ──────────────────────────────────────────────
   PLATFORM MODULES
────────────────────────────────────────────── */
.platform { background: var(--bg); }
.modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.module-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.module-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  opacity: 0;
  transition: opacity var(--transition);
}
.module-card:hover { transform: translateY(-8px); }
.module-card:hover::before { opacity: 1; }
.module-card:nth-child(1):hover { border-color: rgba(25,118,210,0.3); box-shadow: 0 24px 60px rgba(25,118,210,0.12); }
.module-card:nth-child(1)::before { background: linear-gradient(90deg, transparent, var(--purple), transparent); }
.module-card:nth-child(3):hover { border-color: rgba(249,115,22,0.3); box-shadow: 0 24px 60px rgba(249,115,22,0.1); }
.module-card:nth-child(3)::before { background: linear-gradient(90deg, transparent, var(--gold), transparent); }

.module-card.featured {
  border-color: rgba(0,172,193,0.25);
  box-shadow: 0 0 60px rgba(0,172,193,0.08);
  background: linear-gradient(160deg, var(--bg-3) 0%, var(--bg-4) 100%);
}
.module-card.featured::before { background: linear-gradient(90deg, transparent, var(--cyan), transparent); opacity: 1; }
.module-card.featured:hover { border-color: rgba(0,172,193,0.4); box-shadow: 0 24px 60px rgba(0,172,193,0.18); }

.mc-featured-label {
  position: absolute;
  top: 20px; right: 20px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bg);
  background: linear-gradient(135deg, var(--cyan-light), var(--cyan));
  padding: 4px 10px;
  border-radius: 99px;
}
.mc-num {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gray-700);
  margin-bottom: 16px;
}
.mc-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  margin-bottom: 20px;
}
.mc-icon svg { width: 100%; height: 100%; }
.mc-icon.purple { background: rgba(25,118,210,0.12); color: var(--purple-light); border: 1px solid rgba(25,118,210,0.2); }
.mc-icon.cyan   { background: rgba(0,172,193,0.1); color: var(--cyan-light); border: 1px solid rgba(0,172,193,0.2); }
.mc-icon.gold   { background: rgba(249,115,22,0.1); color: var(--gold-light); border: 1px solid rgba(249,115,22,0.2); }

.module-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.module-card p {
  color: var(--gray-300);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 24px;
}
.mc-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}
.mc-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--gray-300);
  line-height: 1.5;
}
.mc-features li strong { color: var(--white); }
.mc-features li::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--purple-light);
  flex-shrink: 0;
  margin-top: 6px;
}
.module-card.featured .mc-features li::before { background: var(--cyan-light); }
.module-card:nth-child(3) .mc-features li::before { background: var(--gold-light); }
.mc-tech { display: flex; flex-wrap: wrap; gap: 6px; }
.tech-pill {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 99px;
  border: 1px solid rgba(25,118,210,0.25);
  color: var(--purple-light);
  background: rgba(25,118,210,0.06);
}
.module-card.featured .tech-pill { border-color: rgba(0,172,193,0.25); color: var(--cyan-light); background: rgba(0,172,193,0.06); }
.module-card:nth-child(3) .tech-pill { border-color: rgba(249,115,22,0.25); color: var(--gold-light); background: rgba(249,115,22,0.06); }

/* ──────────────────────────────────────────────
   WORKFLOW
────────────────────────────────────────────── */
.workflow { background: var(--bg-2); }
.workflow-track { position: relative; }
.wf-line {
  position: absolute;
  top: 40px;
  left: 40px;
  right: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(25,118,210,0.3), rgba(0,172,193,0.3), transparent);
}
.workflow-steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  position: relative;
  z-index: 1;
}
.wf-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}
.wf-node {
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 1.5px solid rgba(25,118,210,0.3);
  background: var(--bg-3);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  box-shadow: 0 0 0 6px var(--bg-2);
}
.wf-step:hover .wf-node {
  border-color: var(--purple-light);
  background: rgba(25,118,210,0.12);
  box-shadow: 0 0 0 6px var(--bg-2), 0 0 30px var(--purple-glow);
}
.wf-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--purple-light);
  letter-spacing: 0.05em;
}
.wf-content { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.wf-icon {
  width: 28px; height: 28px;
  color: var(--purple-light);
}
.wf-content h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
}
.wf-content p {
  font-size: 0.78rem;
  color: var(--gray-300);
  line-height: 1.5;
}
.wf-example {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan-light);
  background: rgba(0,172,193,0.08);
  border: 1px solid rgba(0,172,193,0.15);
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-block;
  margin-top: 4px;
}

/* ──────────────────────────────────────────────
   GEO
────────────────────────────────────────────── */
.geo { background: var(--bg); }
.geo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.geo-body {
  color: var(--gray-300);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 36px;
}
.geo-body strong { color: var(--white); font-weight: 600; }
.geo-stats { display: flex; flex-direction: column; gap: 20px; }
.gs-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(25,118,210,0.06);
  border: 1px solid rgba(25,118,210,0.15);
  border-radius: var(--radius-sm);
}
.gs-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--purple-light);
  white-space: nowrap;
}
.gs-label {
  font-size: 0.85rem;
  color: var(--gray-300);
  line-height: 1.5;
}
.geo-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.geo-card {
  background: var(--bg-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 24px 20px;
  display: flex;
  gap: 14px;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}
.geo-card:hover {
  border-color: rgba(25,118,210,0.25);
  transform: translateY(-3px);
}
.gc-icon {
  width: 36px; height: 36px;
  min-width: 36px;
  color: var(--purple-light);
  margin-top: 2px;
}
.geo-card h4 {
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.geo-card h4 code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan-light);
  background: rgba(0,172,193,0.08);
  padding: 1px 6px;
  border-radius: 4px;
}
.geo-card p {
  font-size: 0.8rem;
  color: var(--gray-300);
  line-height: 1.6;
}

/* ──────────────────────────────────────────────
   ARCHITECTURE
────────────────────────────────────────────── */
.architecture { background: var(--bg-2); }
.arch-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  margin-bottom: 48px;
}
.arch-card {
  background: var(--bg-3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform var(--transition-fast);
}
.arch-card:hover { transform: translateY(-4px); }
.arch-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 14px;
}
.arch-models { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.arch-model {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
}
.arch-model.purple { background: rgba(25,118,210,0.12); color: var(--purple-light); border: 1px solid rgba(25,118,210,0.2); }
.arch-model.cyan   { background: rgba(0,172,193,0.1); color: var(--cyan-light); border: 1px solid rgba(0,172,193,0.2); }
.arch-model.gold   { background: rgba(249,115,22,0.1); color: var(--gold-light); border: 1px solid rgba(249,115,22,0.2); }
.arch-card p { font-size: 0.82rem; color: var(--gray-300); line-height: 1.6; }

.arch-center { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.semantic-router {
  position: relative;
  width: 120px; height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sr-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid rgba(25,118,210,0.3);
  animation: spin 8s linear infinite;
}
.sr-ring-2 {
  inset: 12px;
  border-color: rgba(0,172,193,0.3);
  animation-duration: 5s;
  animation-direction: reverse;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.sr-core {
  width: 70px; height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(25,118,210,0.2), rgba(0,172,193,0.2));
  border: 1px solid rgba(25,118,210,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  text-align: center;
  color: var(--purple-light);
  line-height: 1.3;
  z-index: 1;
}
.arch-center-label {
  font-size: 0.72rem;
  color: var(--gray-500);
  text-align: center;
  max-width: 140px;
  line-height: 1.5;
}
.arch-infra {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.infra-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--gray-500);
  transition: color var(--transition-fast);
}
.infra-item:hover { color: var(--gray-300); }
.infra-item svg { width: 16px; height: 16px; color: var(--purple-light); flex-shrink: 0; }

/* ──────────────────────────────────────────────
   SECURITY
────────────────────────────────────────────── */
.security { background: var(--bg); }
.security-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.sec-card {
  background: var(--bg-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 28px 22px;
  transition: border-color var(--transition), transform var(--transition);
}
.sec-card:hover { border-color: rgba(25,118,210,0.25); transform: translateY(-4px); }
.sec-icon {
  width: 44px; height: 44px;
  color: var(--purple-light);
  margin-bottom: 16px;
}
.sec-card h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.sec-card p {
  font-size: 0.82rem;
  color: var(--gray-300);
  line-height: 1.65;
  margin-bottom: 16px;
}
.sec-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: 99px;
  padding: 3px 10px;
  display: inline-block;
  background: rgba(16,185,129,0.06);
}
.compliance-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.comp-badge {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 99px;
  border: 1px solid rgba(25,118,210,0.2);
  color: var(--purple-light);
  background: rgba(25,118,210,0.06);
}

/* ──────────────────────────────────────────────
   CTA SECTION
────────────────────────────────────────────── */
.cta-section { background: var(--bg-2); }
.cta-box {
  position: relative;
  background: linear-gradient(135deg, var(--bg-3), var(--bg-4));
  border: 1px solid rgba(25,118,210,0.2);
  border-radius: var(--radius-lg);
  padding: 72px 64px;
  text-align: center;
  overflow: hidden;
  box-shadow: 0 0 120px rgba(25,118,210,0.08);
}
.cta-bg-orb {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(25,118,210,0.12) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  position: relative;
}
.cta-sub {
  color: var(--gray-300);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto 40px;
  position: relative;
}
.cta-form { max-width: 580px; margin: 0 auto; position: relative; }
.cta-form-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 12px;
}
.form-group { margin-bottom: 12px; }
.form-group input,
.form-group select {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1.5px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
}
.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M6 9L12 15L18 9' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 38px;
}
.form-group select option { background: var(--bg-3); }
.form-group input:focus,
.form-group select:focus {
  border-color: rgba(25,118,210,0.5);
  box-shadow: 0 0 0 3px rgba(25,118,210,0.1);
}
.form-group input::placeholder { color: var(--gray-500); }
.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: var(--radius-sm);
  color: var(--green);
  font-size: 0.88rem;
  font-weight: 500;
  justify-content: center;
}
.form-success svg { width: 18px; height: 18px; flex-shrink: 0; }
.form-success.show { display: flex; }
.cta-note {
  font-size: 0.78rem;
  color: var(--gray-500);
  margin-top: 16px;
  position: relative;
}

/* ──────────────────────────────────────────────
   FOOTER
────────────────────────────────────────────── */
.footer {
  background: var(--bg);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-brand p {
  color: var(--gray-500);
  font-size: 0.875rem;
  line-height: 1.7;
  max-width: 240px;
}
.footer-parent { color: var(--purple-light); transition: color var(--transition-fast); }
.footer-parent:hover { color: var(--white); }
.footer-reg { font-size: 0.72rem !important; margin-top: 12px; }
.footer-col h5 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-300);
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a {
  color: var(--gray-500);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}
.footer-col a:hover { color: var(--purple-light); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.05);
  color: var(--gray-500);
  font-size: 0.8rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* ── Logo Image — colorful PNG on dark site ──
   White-pill: preserves full logo colors exactly */
.logo-img {
  display: block;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.94);
  border-radius: 8px;
  transition: opacity var(--transition-fast), box-shadow var(--transition-fast);
}
.logo-img--nav {
  height: 42px;
  width: auto;
  max-width: 190px;
  padding: 5px 12px;
}
.logo-img--footer {
  height: 52px;
  width: auto;
  max-width: 230px;
  padding: 6px 14px;
  border-radius: 10px;
  margin-bottom: 16px;
  display: block;
}
.logo-img--nav:hover    { opacity: 0.9; box-shadow: 0 4px 20px rgba(25,118,210,0.3); }
.logo-img--footer:hover { opacity: 0.85; }

/* Text fallback — hidden while image loads, shown via onerror */
.logo-text-fallback {
  display: none;
  align-items: center;
  gap: 8px;
}
.logo-text-fallback--footer {
  margin-bottom: 16px;
  font-size: 1.3rem;
}

/* ──────────────────────────────────────────────
   RESPONSIVE
────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; padding: 100px 24px 60px; }
  .hero-terminal { display: none; }
  .hero-metrics { gap: 20px; }
  .modules-grid { grid-template-columns: 1fr 1fr; }
  .security-grid { grid-template-columns: 1fr 1fr; }
  .workflow-steps { grid-template-columns: repeat(3, 1fr); }
  .wf-line { display: none; }
  .arch-grid { grid-template-columns: 1fr 1fr; }
  .arch-center { grid-column: 1 / -1; order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: rgba(5,4,16,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    padding: 16px 0;
    border-bottom: 1px solid rgba(25,118,210,0.15);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
    pointer-events: none;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 14px 24px; font-size: 1rem; }
  .nav-cta { margin: 8px 24px; text-align: center; border-radius: var(--radius-sm) !important; }
  .nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .hero { min-height: 100svh; }
  .problem-grid,
  .geo-grid { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: 1fr; }
  .security-grid { grid-template-columns: 1fr; }
  .workflow-steps { grid-template-columns: repeat(2, 1fr); }
  .arch-grid { grid-template-columns: 1fr; }
  .geo-cards { grid-template-columns: 1fr; }
  .cta-form-row { grid-template-columns: 1fr; }
  .cta-box { padding: 48px 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .trust-bar .container { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .hero-metrics { gap: 16px; }
  .metric-divider { display: none; }
  .workflow-steps { grid-template-columns: 1fr; }
  .compliance-bar { gap: 8px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}