/* ============================================
   Sentinel Landing — Premium Glass Design
   ============================================ */

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

:root {
  --bg-base: #08090d;
  --bg-surface: rgba(16, 18, 27, 0.7);
  --bg-card: rgba(22, 25, 37, 0.65);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.14);
  --glass-blur: blur(40px) saturate(180%);
  --accent: #58a6ff;
  --accent-dim: rgba(88, 166, 255, 0.12);
  --accent-border: rgba(88, 166, 255, 0.25);
  --accent-glow: rgba(88, 166, 255, 0.15);
  --green: #0dbd8b;
  --green-dim: rgba(13, 189, 139, 0.1);
  --green-border: rgba(13, 189, 139, 0.25);
  --red: #ff4b4b;
  --red-dim: rgba(255, 75, 75, 0.08);
  --orange: #f0a030;
  --text-1: rgba(255, 255, 255, 0.95);
  --text-2: rgba(255, 255, 255, 0.6);
  --text-3: rgba(255, 255, 255, 0.3);
  --radius: 16px;
  --radius-sm: 10px;
  --max-w: 1140px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', 'Segoe UI', sans-serif;
  background: var(--bg-base);
  color: var(--text-1);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; display: block; }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }

/* --- Gradient Mesh Background --- */
.mesh-bg {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  z-index: -1; overflow: hidden;
}
.mesh-bg .orb {
  position: absolute; border-radius: 50%; filter: blur(120px);
  animation: float 20s ease-in-out infinite;
}
.mesh-bg .orb-1 {
  width: 600px; height: 600px; top: -200px; right: -100px;
  background: radial-gradient(circle, rgba(88,166,255,0.08), transparent 70%);
}
.mesh-bg .orb-2 {
  width: 500px; height: 500px; bottom: -100px; left: -150px;
  background: radial-gradient(circle, rgba(13,189,139,0.06), transparent 70%);
  animation-delay: -7s;
}
.mesh-bg .orb-3 {
  width: 400px; height: 400px; top: 50%; left: 50%;
  background: radial-gradient(circle, rgba(88,166,255,0.04), transparent 70%);
  animation-delay: -14s;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

/* --- Nav --- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(20px) saturate(160%);
  background: rgba(8, 9, 13, 0.75);
  border-bottom: 1px solid var(--glass-border);
  height: 60px; display: flex; align-items: center;
  padding: 0 32px;
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto; width: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-size: 1.15rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  color: var(--text-2); font-size: 0.88rem; font-weight: 500;
  transition: color 0.2s; letter-spacing: 0.01em;
}
.nav-links a:hover, .nav-links a.active { color: var(--text-1); }
.nav-cta {
  background: rgba(255,255,255,0.06) !important; color: rgba(255,255,255,0.35) !important;
  border: 1px solid rgba(255,255,255,0.1); padding: 7px 18px;
  border-radius: 8px; font-weight: 600; font-size: 0.85rem;
  cursor: default; pointer-events: none;
}
.nav-cta:hover {
  background: rgba(255,255,255,0.06) !important;
  box-shadow: none;
}
.lang-toggle {
  background: rgba(255,255,255,0.06); border: 1px solid var(--glass-border);
  color: var(--text-3); padding: 5px 10px; border-radius: 6px;
  cursor: pointer; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.05em; transition: all 0.2s;
}
.lang-toggle:hover { color: var(--text-2); background: rgba(255,255,255,0.1); }

/* --- Layout --- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
section { padding: 100px 0; }
.section-pad-lg { padding: 140px 0; }

/* --- Typography --- */
.label {
  color: var(--accent); font-size: 0.78rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.12em;
  margin-bottom: 12px; display: block;
}
.label-purple { color: rgba(138, 92, 246, 0.9); }
.label-blue { color: rgba(88, 166, 255, 0.9); }
.label-amber { color: rgba(240, 180, 50, 0.9); }
.label-green { color: rgba(13, 189, 139, 0.9); }
.label-red { color: rgba(255, 75, 75, 0.9); }
.heading-xl {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700; line-height: 1.12; letter-spacing: -0.03em;
}
.heading-lg {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700; line-height: 1.15; letter-spacing: -0.02em;
}
.heading-md {
  font-size: clamp(1.3rem, 2.5vw, 1.7rem);
  font-weight: 600; line-height: 1.3;
}
.text-sub {
  color: var(--text-2); font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.7; max-width: 560px;
}
.text-accent { color: var(--accent); }

/* Scratched / ripped text effect */
.scratched {
  position: relative;
  display: inline;
  font-style: italic;
}
.scratched::after {
  content: '';
  position: absolute;
  left: -4px; right: -4px;
  top: 50%; height: 3px;
  background: var(--red);
  transform: rotate(-2deg);
  border-radius: 2px;
  opacity: 0.85;
}

/* Creatif purple banner */
.banner-purple {
  background: rgba(138, 92, 246, 0.12) !important;
  border-color: rgba(138, 92, 246, 0.3) !important;
  color: rgba(180, 150, 255, 0.95) !important;
}

/* Electricity flow animation */
.banner-flow {
  display: inline-flex !important;
  align-items: center;
  gap: 0;
}
.flow-item {
  padding: 0 6px;
  border-radius: 4px;
  transition: all 0.4s ease;
  position: relative;
  color: rgba(180, 150, 255, 0.5);
  animation: flowGlow 6s ease-in-out infinite;
  animation-delay: calc(var(--i) * 1.5s);
}
.flow-dot {
  padding: 0 4px;
  color: rgba(180, 150, 255, 0.25);
  animation: dotPulse 6s ease-in-out infinite;
  animation-delay: calc(var(--i, 0) * 1.5s + 1.2s);
}
.flow-dot:nth-of-type(2) { --i: 0; }
.flow-dot:nth-of-type(4) { --i: 1; }
.flow-dot:nth-of-type(6) { --i: 2; }

@keyframes flowGlow {
  0%, 15% {
    color: rgba(180, 150, 255, 0.5);
    text-shadow: none;
  }
  20% {
    color: rgba(220, 200, 255, 1);
    text-shadow:
      0 0 8px rgba(138, 92, 246, 0.6),
      0 0 20px rgba(138, 92, 246, 0.3),
      0 0 40px rgba(138, 92, 246, 0.15);
  }
  40%, 100% {
    color: rgba(180, 150, 255, 0.5);
    text-shadow: none;
  }
}

@keyframes dotPulse {
  0%, 18% {
    color: rgba(180, 150, 255, 0.25);
    text-shadow: none;
  }
  22% {
    color: rgba(200, 170, 255, 0.9);
    text-shadow: 0 0 6px rgba(138, 92, 246, 0.5);
  }
  35%, 100% {
    color: rgba(180, 150, 255, 0.25);
    text-shadow: none;
  }
}
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 10px; font-size: 0.95rem;
  font-weight: 600; cursor: pointer; border: none;
  transition: all 0.25s; letter-spacing: 0.01em;
}
.btn-accent {
  background: var(--accent-dim); color: var(--accent);
  border: 1px solid var(--accent-border);
}
.btn-accent:hover {
  background: rgba(88,166,255,0.22);
  box-shadow: 0 8px 30px var(--accent-glow);
  transform: translateY(-2px);
}
.btn-ghost {
  background: rgba(255,255,255,0.05); color: var(--text-1);
  border: 1px solid var(--glass-border);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}
.btn-group { display: flex; gap: 12px; flex-wrap: wrap; }

/* --- Cards --- */
.card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all 0.3s;
}
.card:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}
.card-accent:hover { border-color: var(--accent-border); }

/* --- Grid --- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* --- Hero --- */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding-top: 120px;
}
.hero-content { text-align: center; width: 100%; }
.hero-content .text-sub { margin: 32px auto 0; max-width: 640px; }

/* --- Trust Badges --- */
.trust-row {
  display: flex; gap: 24px; justify-content: center;
  margin-top: 40px; flex-wrap: wrap;
}
.trust-badge {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  font-size: 0.8rem; color: var(--text-2);
}
.trust-badge .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px rgba(13,189,139,0.4);
}

/* --- Cost VS Layout --- */
.cost-vs {
  display: grid; grid-template-columns: 1fr 200px;
  gap: 36px; align-items: start;
  max-width: 860px; margin: 0 auto;
}
.scatter-label {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--text-3);
  margin-bottom: 14px; text-align: center;
  width: 100%; flex-basis: 100%;
}

/* --- Cost Scatter --- */
.cost-scatter {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 10px; padding: 0 0 20px;
}

/* --- Jenga Tower --- */
.ops-tower-wrap { text-align: center; }
.ops-tower {
  display: flex; flex-direction: column-reverse;
  align-items: center; gap: 2px;
  padding: 8px 0;
}
.jenga-block {
  width: 120px; padding: 5px 10px;
  background: rgba(255, 75, 75, 0.08);
  border: 1px solid rgba(255, 75, 75, 0.18);
  border-radius: 5px; font-size: 0.7rem;
  color: var(--red); font-weight: 600;
  text-align: center;
  transform: rotate(var(--r, 0deg)) translateX(var(--ox, 0));
  transition: all 0.3s ease;
  animation: towerWobble 3s ease-in-out infinite;
  animation-delay: calc(var(--r, 0) * 300ms);
}
.jenga-block.falling {
  opacity: 0.5;
  animation: blockFall 4s ease-in-out infinite;
}
.jenga-block:hover {
  transform: rotate(calc(var(--r, 0deg) * 1.5)) translateX(calc(var(--ox, 0px) * 1.3));
  background: rgba(255, 75, 75, 0.14);
  border-color: rgba(255, 75, 75, 0.3);
}

@keyframes towerWobble {
  0%, 100% { transform: rotate(var(--r, 0deg)) translateX(var(--ox, 0)); }
  50% { transform: rotate(calc(var(--r, 0deg) + 0.5deg)) translateX(calc(var(--ox, 0px) + 2px)); }
}
@keyframes blockFall {
  0%, 100% { transform: rotate(var(--r)) translateX(var(--ox)) translateY(0); opacity: 0.5; }
  50% { transform: rotate(calc(var(--r) + 3deg)) translateX(calc(var(--ox) + 5px)) translateY(4px); opacity: 0.35; }
}
.cost-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: 10px;
  background: var(--red-dim); border: 1px solid rgba(255,75,75,0.12);
  font-size: 0.85rem; color: var(--text-2);
  transform: rotate(var(--r, 0deg)) translate(var(--x, 0), var(--y, 0));
  transition: all 0.3s ease;
  animation: pillFloat 4s ease-in-out infinite;
  animation-delay: calc(var(--r, 0) * 200ms);
}
.cost-pill:hover {
  transform: rotate(0deg) translate(0, -4px) scale(1.05);
  border-color: rgba(255,75,75,0.3);
  box-shadow: 0 6px 20px rgba(255,75,75,0.1);
}
.pill-price {
  color: rgba(255,100,100,0.9); font-weight: 700; font-size: 0.82rem;
  padding-left: 6px; border-left: 1px solid rgba(255,75,75,0.15);
}
@keyframes pillFloat {
  0%, 100% { transform: rotate(var(--r, 0deg)) translate(var(--x, 0), var(--y, 0)); }
  50% { transform: rotate(var(--r, 0deg)) translate(var(--x, 0), calc(var(--y, 0px) - 4px)); }
}
.cost-total {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 14px;
  border-radius: 8px; font-weight: 700; font-size: 1rem;
  background: rgba(255,75,75,0.1); border: 1px solid rgba(255,75,75,0.2);
  margin-top: 6px;
}
.cost-total-scary {
  padding: 16px 22px; font-size: 1.1rem;
  background: rgba(255,75,75,0.14);
  border: 1px solid rgba(255,75,75,0.35);
  box-shadow: 0 0 20px rgba(255,75,75,0.08), 0 0 60px rgba(255,75,75,0.04);
  animation: scaryPulse 3s ease-in-out infinite;
}
@keyframes scaryPulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(255,75,75,0.08), 0 0 60px rgba(255,75,75,0.04);
    border-color: rgba(255,75,75,0.35);
  }
  50% {
    box-shadow: 0 0 30px rgba(255,75,75,0.15), 0 0 80px rgba(255,75,75,0.08);
    border-color: rgba(255,75,75,0.5);
  }
}
.cost-total .price { color: var(--red); }

.skull-pulse {
  display: inline-block;
  animation: skullBeep 2s ease-in-out infinite;
  filter: grayscale(1) brightness(2);
}
@keyframes skullBeep {
  0%, 70%, 100% {
    text-shadow: none;
    opacity: 0.6;
  }
  80% {
    text-shadow:
      0 0 6px rgba(255,255,255,0.8),
      0 0 16px rgba(255,75,75,0.5),
      0 0 30px rgba(255,75,75,0.3);
    opacity: 1;
  }
  90% {
    text-shadow: none;
    opacity: 0.5;
  }
  95% {
    text-shadow:
      0 0 4px rgba(255,255,255,0.6),
      0 0 12px rgba(255,75,75,0.4);
    opacity: 0.9;
  }
}
.sentinel-total {
  display: flex; justify-content: space-between; padding: 12px 14px;
  border-radius: 8px; font-weight: 700; font-size: 1rem;
  background: var(--green-dim); border: 1px solid var(--green-border);
  margin-top: 8px;
}
.sentinel-total .price { color: var(--green); }

.sentinel-value-box {
  max-width: 520px; margin: 0 auto;
  padding: 20px 28px;
  background: var(--green-dim);
  border: 1px solid var(--green-border);
  border-radius: var(--radius);
  text-align: center;
}
.sentinel-value-box p {
  color: var(--text-2); font-size: 0.95rem; line-height: 1.6;
  margin-bottom: 8px;
}
.sentinel-value-price {
  font-size: 1.8rem; font-weight: 700; color: var(--green);
  display: block;
}
.sentinel-value-price span {
  font-size: 0.85rem; font-weight: 400; color: var(--text-2);
}

/* --- Pain Cards Enhanced --- */
.pain-card-enhanced {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255,75,75,0.15);
  border-left: 3px solid var(--red);
  border-radius: var(--radius);
  padding: 28px;
  transition: all 0.3s;
  position: relative;
}
.pain-card-enhanced:hover {
  border-color: rgba(255,75,75,0.3);
  border-left-color: var(--red);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(255,75,75,0.08), 0 0 30px rgba(255,75,75,0.04);
}
.pain-stat {
  display: flex; align-items: baseline; gap: 6px;
  margin-bottom: 14px;
}
.pain-stat .counter {
  font-size: 2.8rem; font-weight: 800; color: var(--red);
  line-height: 1; font-variant-numeric: tabular-nums;
}
.pain-stat-label {
  font-size: 1rem; font-weight: 600; color: rgba(255,100,100,0.7);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.pain-card-enhanced h3 {
  font-size: 1.1rem; font-weight: 700; margin-bottom: 10px;
}
.pain-card-enhanced p {
  color: var(--text-2); font-size: 0.88rem; line-height: 1.6;
}

/* Typewriter closing line */
.typewriter-line {
  font-size: 1.45rem; font-weight: 600; max-width: 650px;
  margin: 56px auto 0; line-height: 1.6;
  min-height: 4em;
  white-space: normal;
}
.tw-cursor {
  display: inline;
  border-right: 2px solid var(--text-1);
  padding-right: 2px;
  margin-right: 1px;
  animation: cursorBlink 0.8s step-end infinite;
}
.typewriter-line.done .tw-cursor {
  border-right-color: transparent;
  animation: none;
}
.tw-emphasis {
  font-weight: 800;
  color: var(--text-1);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 4px;
  text-decoration-thickness: 2px;
  background: rgba(255,255,255,0.06);
  padding: 2px 6px;
  border-radius: 4px;
}
@keyframes cursorBlink {
  0%, 100% { border-right-color: var(--text-1); }
  50% { border-right-color: transparent; }
}

/* --- Neural Brain Diagram --- */
.brain-wrap {
  display: flex; justify-content: center;
}
.brain-svg {
  width: 100%; max-width: 600px; height: auto;
}
.micro-node {
  animation: microPulse 3s ease-in-out infinite;
}
.micro-node:nth-child(odd) { animation-delay: -1s; }
@keyframes microPulse {
  0%, 100% { opacity: 0.3; r: 2.5; }
  50% { opacity: 1; r: 4; }
}

/* --- Pillar Node Cards (Neural Style) --- */
.pillar-node {
  background: rgba(16, 18, 30, 0.6);
  backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(138, 92, 246, 0.12);
  border-radius: 20px;
  padding: 32px 28px;
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}
.pillar-node::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(138, 92, 246, 0.06) 0%, transparent 70%);
  pointer-events: none;
}
.pillar-node:hover {
  border-color: rgba(138, 92, 246, 0.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(138, 92, 246, 0.08);
}
.pillar-node-comms {
  border-color: rgba(88, 166, 255, 0.2);
}
.pillar-node-comms::before {
  background: radial-gradient(ellipse at 50% 0%, rgba(88, 166, 255, 0.08) 0%, transparent 70%);
}
.pillar-node-comms:hover {
  border-color: rgba(88, 166, 255, 0.35);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(88, 166, 255, 0.1);
}

/* Glowing orb */
.node-orb {
  width: 64px; height: 64px; border-radius: 50%;
  background: radial-gradient(circle, rgba(138, 92, 246, 0.25) 0%, rgba(138, 92, 246, 0.05) 60%, transparent 100%);
  border: 1.5px solid rgba(138, 92, 246, 0.3);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  position: relative;
  animation: orbBreathe 3s ease-in-out infinite;
}
.node-orb::after {
  content: ''; position: absolute; inset: -8px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(138, 92, 246, 0.08) 0%, transparent 70%);
  animation: orbPulse 3s ease-in-out infinite;
}
.node-orb-inner {
  width: 18px; height: 18px; border-radius: 50%;
  background: rgba(138, 92, 246, 0.7);
  box-shadow: 0 0 16px rgba(138, 92, 246, 0.5), 0 0 4px rgba(138, 92, 246, 0.8);
}
.node-orb-comms {
  border-color: rgba(88, 166, 255, 0.35);
  background: radial-gradient(circle, rgba(88, 166, 255, 0.25) 0%, rgba(88, 166, 255, 0.05) 60%, transparent 100%);
}
.node-orb-comms::after {
  background: radial-gradient(circle, rgba(88, 166, 255, 0.08) 0%, transparent 70%);
}
.node-orb-comms .node-orb-inner {
  background: rgba(88, 166, 255, 0.7);
  box-shadow: 0 0 16px rgba(88, 166, 255, 0.5), 0 0 4px rgba(88, 166, 255, 0.8);
}
@keyframes orbBreathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}
@keyframes orbPulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.15); }
}

/* Node text */
.pillar-node h3 {
  font-size: 1.25rem; font-weight: 700; margin-bottom: 4px;
  letter-spacing: 0.02em;
}
.node-tagline {
  font-size: 0.78rem; color: rgba(138, 92, 246, 0.85);
  font-weight: 500; margin-bottom: 12px;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.pillar-node-comms .node-tagline {
  color: rgba(88, 166, 255, 0.85);
}
.node-desc {
  color: var(--text-2); font-size: 0.88rem; line-height: 1.6;
  margin-bottom: 20px; max-width: 280px;
}

/* Feature pills */
.node-features {
  display: flex; flex-wrap: wrap; gap: 6px;
  justify-content: center; margin-bottom: 18px;
}
.node-feat {
  font-size: 0.72rem; padding: 4px 12px;
  border-radius: 20px;
  background: rgba(138, 92, 246, 0.08);
  border: 1px solid rgba(138, 92, 246, 0.15);
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500; letter-spacing: 0.02em;
}
.pillar-node-comms .node-feat {
  background: rgba(88, 166, 255, 0.08);
  border-color: rgba(88, 166, 255, 0.15);
}

.pillar-node-vault {
  border-color: rgba(240, 180, 50, 0.2);
}
.pillar-node-vault::before {
  background: radial-gradient(ellipse at 50% 0%, rgba(240, 180, 50, 0.08) 0%, transparent 70%);
}
.pillar-node-vault:hover {
  border-color: rgba(240, 180, 50, 0.35);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(240, 180, 50, 0.1);
}
.node-orb-vault {
  border-color: rgba(240, 180, 50, 0.35);
  background: radial-gradient(circle, rgba(240, 180, 50, 0.25) 0%, rgba(240, 180, 50, 0.05) 60%, transparent 100%);
}
.node-orb-vault::after {
  background: radial-gradient(circle, rgba(240, 180, 50, 0.08) 0%, transparent 70%);
}
.node-orb-vault .node-orb-inner {
  background: rgba(240, 180, 50, 0.7);
  box-shadow: 0 0 16px rgba(240, 180, 50, 0.5), 0 0 4px rgba(240, 180, 50, 0.8);
}
.pillar-node-vault .node-tagline {
  color: rgba(240, 180, 50, 0.85);
}
.pillar-node-vault .node-feat {
  background: rgba(240, 180, 50, 0.08);
  border-color: rgba(240, 180, 50, 0.15);
}

/* Stack replace banner */
.stack-replace-banner {
  text-align: center;
  font-size: 1rem; font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-1);
  padding: 18px 32px;
  border-radius: 14px;
  background: rgba(138, 92, 246, 0.08);
  border: 1px solid rgba(138, 92, 246, 0.2);
  box-shadow: 0 0 30px rgba(138, 92, 246, 0.06);
}
.stack-replace-banner strong {
  color: rgba(138, 92, 246, 0.95);
}

/* --- Phone Mockup --- */
.phone-frame {
  width: 340px; max-width: 100%;
  background: rgba(14, 16, 24, 0.9);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 32px;
  padding: 12px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.04) inset;
  position: relative;
  overflow: hidden;
}
.phone-notch {
  width: 120px; height: 24px;
  background: rgba(14, 16, 24, 0.95);
  border-radius: 0 0 16px 16px;
  margin: 0 auto 8px; position: relative;
}
.phone-notch::after {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
  position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
}
.phone-screen {
  background: linear-gradient(180deg, rgba(16,18,28,1) 0%, rgba(12,14,22,1) 100%);
  border-radius: 20px; padding: 16px 12px;
  min-height: 420px;
  display: flex; flex-direction: column;
}
.phone-header {
  display: flex; align-items: center; gap: 10px;
  padding-bottom: 12px; margin-bottom: 12px;
  border-bottom: 1px solid var(--glass-border);
}
.phone-header-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(138, 92, 246, 0.12); border: 1px solid rgba(138, 92, 246, 0.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
}
.phone-header-name { font-size: 0.85rem; font-weight: 600; }
.phone-header-status { font-size: 0.7rem; color: var(--green); }
.phone-messages {
  flex: 1; display: flex; flex-direction: column;
  gap: 8px; overflow-y: auto;
}

/* Chat Bubbles */
.msg {
  max-width: 88%; padding: 10px 14px;
  border-radius: 14px; font-size: 0.82rem;
  line-height: 1.5; animation: msgIn 0.4s ease both;
}
.msg-user {
  align-self: flex-end;
  background: rgba(88,166,255,0.18);
  border: 1px solid rgba(88,166,255,0.2);
  border-bottom-right-radius: 4px;
}
.msg-agent {
  align-self: flex-start;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-border);
  border-bottom-left-radius: 4px;
}
.msg-agent.success {
  background: var(--green-dim);
  border-color: var(--green-border);
}
.msg-sender {
  font-size: 0.7rem; font-weight: 600;
  color: rgba(138, 92, 246, 0.9); margin-bottom: 3px;
}
.msg-agent.success .msg-sender { color: var(--green); }
.msg-time {
  font-size: 0.65rem; color: var(--text-3);
  margin-top: 3px; text-align: right;
}
.msg-file {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 6px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-border);
  font-size: 0.75rem; color: var(--text-2);
  margin-top: 6px;
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.phone-input {
  display: flex; align-items: center; gap: 8px;
  margin-top: 12px; padding-top: 10px;
  padding-bottom: 8px;
  border-top: 1px solid var(--glass-border);
}
.phone-input input {
  flex: 1; background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  border-radius: 20px; padding: 8px 14px;
  color: var(--text-2); font-size: 0.8rem;
  outline: none;
}
.phone-input .send-btn {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--accent-dim); border: 1px solid var(--accent-border);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--accent); font-size: 0.85rem;
}

/* --- Demo Section (Tabbed Phone) --- */
.demo-section { overflow: hidden; }
.demo-tabs-wrapper {
  display: grid; grid-template-columns: 1fr 360px;
  gap: 48px; align-items: start;
}
.demo-left { padding-top: 20px; }
.demo-tabs {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 6px; margin-bottom: 32px;
}
.demo-tab {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 16px; border-radius: 10px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--glass-border);
  color: var(--text-2); font-size: 0.85rem; font-weight: 500;
  cursor: pointer; transition: all 0.25s; text-align: center;
}
.demo-tab:hover { background: rgba(255,255,255,0.08); color: var(--text-1); }
.demo-tab.active {
  background: rgba(138, 92, 246, 0.12); border-color: rgba(138, 92, 246, 0.25);
  color: rgba(138, 92, 246, 0.9); font-weight: 600;
}
.demo-tab-icon { font-size: 1rem; }
.demo-descriptions { min-height: 180px; }
.demo-desc {
  display: none; animation: fadeUp 0.4s ease;
}
.demo-desc.active { display: block; }
.demo-desc h3 { margin-bottom: 12px; font-size: 1.3rem; }
.demo-desc p { color: var(--text-2); font-size: 0.95rem; line-height: 1.7; }
.demo-steps {
  list-style: none; counter-reset: step; padding: 0; margin: 0;
}
.demo-steps li {
  counter-increment: step;
  position: relative;
  padding-left: 32px;
  padding-bottom: 10px;
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.5;
  border-left: 1px solid rgba(138,92,246,0.15);
  margin-left: 10px;
}
.demo-steps li:last-child { border-left-color: transparent; padding-bottom: 0; }
.demo-steps li::before {
  content: counter(step);
  position: absolute; left: -10px; top: 0;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: rgba(138,92,246,0.12);
  border: 1px solid rgba(138,92,246,0.3);
  color: rgba(138,92,246,0.9);
  font-size: 0.65rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.demo-steps li strong { color: var(--text-1); }
.demo-steps li {
  transition: color 0.5s ease, text-shadow 0.5s ease;
}
.demo-steps li::before {
  transition: background 0.5s ease, box-shadow 0.5s ease;
}
.demo-steps li.step-active {
  color: rgba(220, 200, 255, 1);
  text-shadow:
    0 0 8px rgba(138, 92, 246, 0.5),
    0 0 20px rgba(138, 92, 246, 0.2);
}
.demo-steps li.step-active::before {
  background: rgba(138,92,246,0.35);
  box-shadow: 0 0 10px rgba(138,92,246,0.4);
}
.demo-steps li.step-done {
  color: var(--text-1);
  text-shadow: none;
}
.demo-steps li.step-done::before {
  background: rgba(138,92,246,0.25);
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Phone column — fit viewport */
.demo-phone-col {
  display: flex; justify-content: center;
  position: sticky; top: 80px;
}

/* Phone sizing — fit viewport height */
.phone-frame {
  width: 340px; max-width: 100%;
  height: calc(100vh - 120px); max-height: 680px;
}
.phone-screen {
  height: calc(100% - 36px); /* minus notch */
}

/* Auto-scroll smooth */
.phone-messages {
  scroll-behavior: smooth;
}

/* Typing indicator */
.typing-dots {
  display: flex; gap: 4px; padding: 10px 14px;
  align-self: flex-start;
}
.typing-dots span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--text-3);
  animation: typingBounce 1.2s ease-in-out infinite;
}
.typing-dots span:nth-child(2) { animation-delay: 0.15s; }
.typing-dots span:nth-child(3) { animation-delay: 0.3s; }
@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

.demo-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 6px;
  background: rgba(138, 92, 246, 0.12); border: 1px solid rgba(138, 92, 246, 0.25);
  font-size: 0.75rem; color: rgba(138, 92, 246, 0.9); font-weight: 600;
  margin-bottom: 16px;
}

/* --- Email Split View --- */
.email-split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 20px; margin-top: 20px;
}
.email-panel {
  background: var(--bg-card); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 20px; overflow: hidden;
}
.email-panel-label {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; margin-bottom: 12px; padding-bottom: 8px;
  border-bottom: 1px solid var(--glass-border);
}
.email-panel-label.sentinel { color: var(--accent); }
.email-panel-label.gmail { color: var(--text-3); }
.email-row {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 8px 0; font-size: 0.82rem;
}
.email-row .avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent-dim); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem;
}
.email-row .from { font-weight: 600; font-size: 0.8rem; }
.email-row .subject { color: var(--text-2); font-size: 0.78rem; }
.email-row .preview { color: var(--text-3); font-size: 0.75rem; margin-top: 2px; }
.email-thread {
  margin-left: 38px; padding: 8px 12px;
  border-left: 2px solid var(--accent-border);
  font-size: 0.78rem; color: var(--text-2); margin-top: 4px;
}
.gmail-boring {
  font-family: 'Arial', sans-serif;
  background: rgba(255,255,255,0.03);
}
.gmail-boring .email-row { opacity: 0.6; }

/* --- Stats --- */
.stat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stat-card {
  background: var(--bg-card); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 24px; text-align: center;
}
.stat-num {
  font-size: 2.2rem; font-weight: 700; color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-size: 0.82rem; color: var(--text-2); margin-top: 6px;
}

/* --- Pricing --- */
.price-card {
  background: var(--bg-card); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 32px 24px;
  display: flex; flex-direction: column; transition: all 0.3s;
}
.price-card.featured {
  border-color: var(--accent-border);
  box-shadow: 0 0 50px rgba(88,166,255,0.06);
  position: relative;
}
.price-card.featured::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 2px; background: var(--accent);
}
.price-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 50px rgba(0,0,0,0.3);
}
.price-tier {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--accent);
  background: var(--accent-dim); border: 1px solid var(--accent-border);
  padding: 3px 10px; border-radius: 6px; width: fit-content;
  margin-bottom: 14px;
}
.price-name { font-size: 1.4rem; font-weight: 700; margin-bottom: 6px; }
.price-amount { font-size: 2rem; font-weight: 700; }
.price-amount .sm { font-size: 0.85rem; font-weight: 400; color: var(--text-2); }
.price-desc {
  font-size: 0.88rem; color: var(--text-2); margin: 8px 0 20px;
  padding-bottom: 20px; border-bottom: 1px solid var(--glass-border);
}
.price-list {
  list-style: none; flex: 1; margin-bottom: 24px;
  display: flex; flex-direction: column; gap: 10px;
}
.price-list li {
  font-size: 0.85rem; color: var(--text-2);
  display: flex; align-items: flex-start; gap: 8px;
}
.price-list .ck { color: var(--green); font-weight: 700; flex-shrink: 0; }
.price-btn {
  width: 100%; padding: 12px; border-radius: 10px;
  font-size: 0.9rem; font-weight: 600; cursor: pointer; border: none;
  transition: all 0.2s;
}
.price-btn-accent {
  background: var(--accent-dim); color: var(--accent);
  border: 1px solid var(--accent-border);
}
.price-btn-accent:hover {
  background: rgba(88,166,255,0.22);
  box-shadow: 0 6px 20px var(--accent-glow);
}
.price-btn-ghost {
  background: rgba(255,255,255,0.05); color: var(--text-1);
  border: 1px solid var(--glass-border);
}
.price-btn-ghost:hover { background: rgba(255,255,255,0.1); }

/* --- Addon Cards --- */
.addon-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.addon-card .addon-price {
  color: var(--accent); font-size: 1.2rem; font-weight: 700;
  margin: 6px 0 8px;
}
.addon-card .addon-price .sm {
  font-size: 0.78rem; font-weight: 400; color: var(--text-2);
}

/* --- Org Tree --- */
.org-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.org-col {
  background: var(--bg-card); border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm); padding: 18px 14px;
  transition: all 0.3s;
}
.org-col:hover { border-color: var(--accent-border); }
.org-col h5 {
  font-size: 0.7rem; font-weight: 700; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 12px; text-align: center;
}
.org-item {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 0; font-size: 0.82rem;
}
.org-dot {
  width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0;
}
.org-dot.on { background: var(--green); box-shadow: 0 0 6px rgba(13,189,139,0.4); }
.org-dot.off { background: var(--text-3); }

/* --- Team Cards --- */
.emp-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.emp-card {
  background: var(--bg-card); border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm); padding: 18px;
  transition: all 0.3s;
}
.emp-card:hover { border-color: var(--accent-border); transform: translateY(-2px); }
.emp-top { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.emp-avatar {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--accent-dim); border: 1px solid var(--accent-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
}
.emp-name { font-size: 0.95rem; font-weight: 600; }
.emp-dept { font-size: 0.75rem; color: var(--text-3); }
.emp-desc { font-size: 0.82rem; color: var(--text-2); line-height: 1.5; margin-bottom: 10px; }
.emp-skills { display: flex; flex-wrap: wrap; gap: 4px; }
.emp-skill {
  padding: 2px 8px; border-radius: 5px; font-size: 0.7rem;
  background: var(--accent-dim); border: 1px solid var(--accent-border);
  color: var(--accent);
}
.emp-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.68rem; color: var(--accent); margin-top: 8px;
}
.emp-badge svg { width: 11px; height: 13px; }
.tier-label-bar {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--bg-card); border: 1px solid var(--glass-border);
  padding: 8px 18px; border-radius: 10px;
  margin-bottom: 20px; font-size: 0.88rem; font-weight: 600;
}
.tier-label-bar .tp { color: var(--accent); font-weight: 700; }
.tier-label-bar .ts { color: var(--text-3); font-weight: 400; font-size: 0.82rem; }

/* --- Security --- */
.layer-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.layer-num {
  font-size: 0.7rem; font-weight: 700; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 6px;
}
.diff-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--glass-border);
}
.diff-col { padding: 28px; }
.diff-col.them { background: var(--red-dim); border-right: 1px solid var(--glass-border); }
.diff-col.us { background: var(--green-dim); }
.diff-col h4 {
  font-size: 0.78rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.06em; margin-bottom: 16px;
}
.diff-col.them h4 { color: var(--red); }
.diff-col.us h4 { color: var(--green); }
.diff-item {
  font-size: 0.85rem; color: var(--text-2);
  padding: 6px 0; display: flex; gap: 8px; line-height: 1.4;
}
.diff-item .x { color: var(--red); font-weight: 700; }
.diff-item .ok { color: var(--green); font-weight: 700; }

/* --- Hardware --- */
.hw-placeholder {
  margin-top: 14px; padding: 36px; border-radius: 10px;
  background: rgba(255,255,255,0.02); border: 1px dashed var(--glass-border);
  text-align: center; color: var(--text-3); font-size: 0.8rem;
}

/* --- Impact Grid (Stats Enhanced) --- */
.impact-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.impact-card {
  background: rgba(16, 18, 30, 0.5);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 28px 22px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.impact-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.25);
}
.impact-num {
  font-size: 2.6rem; font-weight: 800; line-height: 1;
  color: var(--text-1);
  letter-spacing: -0.02em;
}
.impact-bar {
  width: 40px; height: 3px; border-radius: 3px;
  background: var(--bar-color, var(--accent));
  margin: 14px auto;
  box-shadow: 0 0 12px var(--bar-color, var(--accent));
}
.impact-label {
  font-size: 0.85rem; font-weight: 600; color: var(--text-1);
  margin-bottom: 8px; line-height: 1.3;
}
.impact-detail {
  font-size: 0.76rem; color: var(--text-3); line-height: 1.5;
}

/* --- CTA Section --- */
.cta-section {
  padding: 120px 0 100px;
  position: relative;
  overflow: hidden;
}
.cta-glow {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(138, 92, 246, 0.08) 0%, transparent 70%);
  pointer-events: none;
  animation: ctaPulse 4s ease-in-out infinite;
}
@keyframes ctaPulse {
  0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.15); }
}
.cta-buttons {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
}
.btn-cta-primary {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 16px 36px; border-radius: 14px;
  font-size: 1rem; font-weight: 700;
  background: rgba(138, 92, 246, 0.9);
  color: #fff; text-decoration: none;
  border: 1px solid rgba(138, 92, 246, 0.5);
  box-shadow: 0 0 30px rgba(138, 92, 246, 0.2), 0 8px 32px rgba(0, 0, 0, 0.3);
  transition: all 0.3s;
  letter-spacing: 0.01em;
}
.btn-cta-primary:hover {
  background: rgba(138, 92, 246, 1);
  box-shadow: 0 0 50px rgba(138, 92, 246, 0.3), 0 12px 40px rgba(0, 0, 0, 0.3);
  transform: translateY(-2px);
}
.btn-cta-secondary {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 16px 36px; border-radius: 14px;
  font-size: 1rem; font-weight: 600;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-2); text-decoration: none;
  border: 1px solid var(--glass-border);
  transition: all 0.3s;
}
.btn-cta-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--glass-border-hover);
  color: var(--text-1);
  transform: translateY(-2px);
}
.cta-trust {
  font-size: 0.78rem; color: var(--text-3);
  letter-spacing: 0.02em;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--glass-border);
  padding: 40px 0; margin-top: 40px;
}
.footer-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.footer-brand { font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.footer-brand span { color: var(--accent); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--text-3); font-size: 0.85rem; }
.footer-links a:hover { color: var(--text-2); }
.footer-copy { color: var(--text-3); font-size: 0.78rem; width: 100%; text-align: center; margin-top: 16px; }

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Responsive --- */
@media (max-width: 900px) {
  section { padding: 80px 0; }
  .section-pad-lg { padding: 100px 0; }
  .grid-3, .grid-4, .stat-grid, .impact-grid { grid-template-columns: 1fr 1fr; }
  .demo-tabs-wrapper { grid-template-columns: 1fr; gap: 32px; }
  .demo-phone-col { position: static; }
  .phone-frame { margin: 0 auto; height: auto; max-height: 580px; }
  .demo-tabs { grid-template-columns: 1fr 1fr; }
  .cost-vs { grid-template-columns: 1fr; gap: 32px; }
  .email-split { grid-template-columns: 1fr; }
  .org-grid { grid-template-columns: repeat(2, 1fr); }
  .diff-grid { grid-template-columns: 1fr; }
  .layer-grid { grid-template-columns: 1fr; }
  .depth-grid { grid-template-columns: 1fr; }
  .nav { padding: 0 20px; }
  .nav-links { gap: 18px; }
}
/* --- Mobile Hamburger Menu --- */
.nav-hamburger {
  display: none;
  background: none; border: none; cursor: pointer;
  padding: 6px; margin-left: auto;
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text-2); border-radius: 2px;
  transition: all 0.3s;
}
.nav-hamburger span + span { margin-top: 5px; }
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(3px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(3px, -5px); }

@media (max-width: 600px) {
  .nav-hamburger { display: block; }
  .nav-links {
    position: fixed; top: 60px; left: 0; right: 0;
    background: rgba(8, 9, 13, 0.95);
    backdrop-filter: blur(20px) saturate(160%);
    border-bottom: 1px solid var(--glass-border);
    flex-direction: column; gap: 0;
    padding: 8px 0;
    display: none;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a, .nav-links a:not(.nav-cta):not(.lang-toggle) {
    display: block !important;
    padding: 14px 24px;
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }
  .nav-links a:last-child { border-bottom: none; }
  .nav-cta {
    margin: 8px 24px !important;
    text-align: center;
    pointer-events: none;
  }
  .lang-toggle {
    margin: 4px 24px 8px !important;
    width: calc(100% - 48px);
    text-align: center;
  }
  .nav { padding: 0 16px; }
  .container { padding: 0 16px; }
  .grid-2, .grid-3, .grid-4, .stat-grid, .impact-grid { grid-template-columns: 1fr; }
  .org-grid { grid-template-columns: 1fr; }
  .phone-frame { width: 100%; }
  section { padding: 60px 0; }
  .hero { min-height: auto; padding-top: 100px; padding-bottom: 60px; }
  .heading-xl { font-size: 1.8rem; }
  .heading-lg { font-size: 1.5rem; }
  .text-sub { font-size: 0.95rem; }
  .banner-flow {
    flex-wrap: wrap !important;
    justify-content: center;
    gap: 4px !important;
    padding: 10px 14px !important;
    font-size: 0.72rem !important;
  }
  .flow-dot { display: none; }
  .flow-item { padding: 3px 8px !important; }
  .cta-buttons { flex-direction: column; align-items: center; gap: 12px; }
  .cta-buttons .btn { width: 100%; max-width: 300px; text-align: center; }
  .demo-tabs { grid-template-columns: 1fr; }
  .btn-group { flex-direction: column; align-items: center; gap: 12px; }
  .btn-group .btn { width: 100%; max-width: 300px; text-align: center; }
  .footer-inner { justify-content: center; text-align: center; padding: 0 16px; }
  .footer-links { flex-wrap: wrap; gap: 12px; justify-content: center; }
  .footer-brand { width: 100%; text-align: center; }
  .mesh-bg .orb { opacity: 0.5; transform: scale(0.5); }
}