/* ═══════════════════════════════════════════════════════════════════════════
   NEXUS Landing — Dark Premium
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Reset ─────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img, svg { display: block; }
a { color: inherit; }
button { font-family: inherit; }

/* ── CSS Variables ──────────────────────────────────────────────────────────── */
:root {
  --bg:              #0a0a0f;
  --surface:         #111118;
  --elevated:        #1a1a24;
  --green:           #00c896;
  --green-glow:      rgba(0, 200, 150, 0.15);
  --green-glow-sm:   rgba(0, 200, 150, 0.08);
  --green-border:    rgba(0, 200, 150, 0.25);
  --text:            #f0f0f8;
  --text-secondary:  #9090a8;
  --text-muted:      #55556a;
  --border-subtle:   rgba(255, 255, 255, 0.06);
  --border:          rgba(255, 255, 255, 0.10);
  --font-display:    'Syne', sans-serif;
  --font-body:       'DM Sans', sans-serif;
  --font-mono:       'JetBrains Mono', monospace;
  --r:               12px;
  --r-lg:            16px;
}

/* ── Base ───────────────────────────────────────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ── Utility ────────────────────────────────────────────────────────────────── */
.text-green     { color: var(--green); }
.text-secondary { color: var(--text-secondary); }
.text-muted     { color: var(--text-muted); }
.text-center    { text-align: center; }
.accent-dot     { color: var(--green); }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7em;
  font-weight: 500;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  display: block;
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.05em;
  color: var(--text-secondary);
  margin-bottom: 52px;
}

/* ── Buttons ────────────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  background: var(--green);
  color: #000;
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.94em;
  padding: 12px 24px;
  border-radius: 10px;
  transition: box-shadow 0.25s, transform 0.2s;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.btn-primary:hover {
  box-shadow: 0 0 28px rgba(0, 200, 150, 0.45), 0 4px 16px rgba(0, 0, 0, 0.3);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  color: var(--text-secondary);
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.94em;
  padding: 11px 24px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.btn-secondary:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.16);
  background: var(--border-subtle);
}

/* ═══════════════════════════════════════════════════════════════════════════
   NAV
   ═══════════════════════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 60px;
  background: rgba(10, 10, 15, 0.82);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1em;
  letter-spacing: 0.05em;
  color: var(--text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875em;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover {
  color: var(--text);
  background: var(--border-subtle);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  color: var(--green);
  text-decoration: none;
  font-size: 0.875em;
  font-weight: 500;
  padding: 7px 16px;
  border-radius: 8px;
  border: 1px solid var(--green-border);
  margin-left: 8px;
  transition: background 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
  background: var(--green);
  color: #000;
  border-color: var(--green);
  box-shadow: 0 0 16px rgba(0, 200, 150, 0.3);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
  width: 36px;
  height: 36px;
}

.hamburger span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
  transform-origin: center;
}

.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 10px 24px 16px;
  border-top: 1px solid var(--border-subtle);
  background: rgba(10, 10, 15, 0.96);
  gap: 2px;
}

.mobile-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 10px 8px;
  font-size: 0.9em;
  font-weight: 500;
  border-radius: 8px;
  transition: color 0.2s;
}

.mobile-menu a:hover { color: var(--text); }
.mobile-menu .mobile-cta { color: var(--green); margin-top: 6px; }
.mobile-menu.open { display: flex; }

/* ═══════════════════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  padding: 148px 0 0;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 0%, transparent 100%);
}

.hero-glow {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 700px;
  background: radial-gradient(ellipse, rgba(0, 200, 150, 0.07) 0%, transparent 60%);
  pointer-events: none;
}

.hero-container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-bottom: 56px;
}

/* Hero badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72em;
  color: var(--green);
  background: rgba(0, 200, 150, 0.07);
  border: 1px solid rgba(0, 200, 150, 0.18);
  padding: 5px 14px 5px 10px;
  border-radius: 20px;
  margin-bottom: 36px;
  letter-spacing: 0.03em;
  opacity: 0;
  animation: fadeSlideUp 0.7s 0.05s ease forwards;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
  animation: pulse-dot 2.5s 1s ease-in-out infinite;
}

/* Hero headline */
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-line {
  display: block;
  opacity: 0;
  animation: fadeSlideUp 0.75s ease forwards;
}

.line-1 { animation-delay: 0.15s; }
.line-2 { animation-delay: 0.3s; }

.hero-sub {
  font-size: 1.15em;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 540px;
  margin: 0 auto 40px;
  opacity: 0;
  animation: fadeSlideUp 0.75s 0.45s ease forwards;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 36px;
  opacity: 0;
  animation: fadeSlideUp 0.75s 0.6s ease forwards;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75em;
  color: var(--text-muted);
  opacity: 0;
  animation: fadeSlideUp 0.75s 0.75s ease forwards;
}

.stat-sep { opacity: 0.35; }

/* Hero screenshot */
.hero-screen-container {
  position: relative;
  z-index: 1;
  padding-top: 0;
}

.screen-mockup {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid rgba(0, 200, 150, 0.35);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  overflow: hidden;
  box-shadow:
    0 0 0 1px var(--border-subtle),
    0 -2px 40px rgba(0, 200, 150, 0.06),
    0 32px 100px rgba(0, 0, 0, 0.7);
  transform: perspective(1400px) rotateX(2.5deg);
  transform-origin: center bottom;
  transition: transform 0.5s ease, box-shadow 0.5s ease;
  opacity: 0;
  animation: fadeSlideUp 1s 0.5s ease forwards;
}

.screen-mockup:hover {
  transform: perspective(1400px) rotateX(0deg);
  box-shadow:
    0 0 0 1px var(--border),
    0 0 60px rgba(0, 200, 150, 0.08),
    0 24px 80px rgba(0, 0, 0, 0.6);
}

.screen-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 11px 16px;
  background: var(--elevated);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.screen-dots { display: flex; gap: 5px; }

.dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.dot-red       { background: #ff5f57; }
.dot-yellow    { background: #febc2e; }
.dot-green-chrome { background: #28c840; }

.screen-url {
  font-family: var(--font-mono);
  font-size: 0.68em;
  color: var(--text-muted);
  margin-left: 10px;
}

.screen-img {
  width: 100%;
  display: block;
  max-height: 600px;
  object-fit: cover;
  object-position: top;
}

.screen-placeholder {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  height: 360px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.82em;
}

/* ═══════════════════════════════════════════════════════════════════════════
   TRUST BAR
   ═══════════════════════════════════════════════════════════════════════════ */
.trust-bar {
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--surface);
  padding: 13px 0;
  overflow: hidden;
}

.trust-track { overflow: hidden; }

.trust-inner {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.68em;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  animation: marquee 26s linear infinite;
}

.trust-sep { opacity: 0.3; }

/* ═══════════════════════════════════════════════════════════════════════════
   WHY NEXUS
   ═══════════════════════════════════════════════════════════════════════════ */
.why-section { padding: 108px 0; }

.why-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0 72px;
  align-items: start;
}

.why-divider {
  width: 1px;
  align-self: stretch;
  min-height: 260px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(0, 200, 150, 0.25) 20%,
    rgba(0, 200, 150, 0.25) 80%,
    transparent 100%
  );
}

.why-col h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.why-desc {
  font-size: 0.95em;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 28px;
}

.problem-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.problem-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9em;
  color: var(--text-secondary);
  line-height: 1.55;
}

.problem-list li::before {
  content: '×';
  position: absolute;
  left: 0;
  color: var(--text-muted);
  font-weight: 500;
}

.solution-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 44px; /* align with why-col content start */
}

.solution-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 0.93em;
  color: var(--text);
  line-height: 1.55;
}

.solution-list code {
  font-family: var(--font-mono);
  font-size: 0.83em;
  color: var(--green);
  background: rgba(0, 200, 150, 0.08);
  padding: 1px 6px;
  border-radius: 4px;
}

.check {
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════════════════
   FEATURES
   ═══════════════════════════════════════════════════════════════════════════ */
.features-section {
  padding: 108px 0;
  background: var(--surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 52px;
}

.feature-card {
  background: var(--bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r);
  padding: 28px;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
  cursor: default;
}

.feature-card:hover {
  border-color: rgba(0, 200, 150, 0.18);
  background: rgba(0, 200, 150, 0.015);
  box-shadow: 0 0 32px rgba(0, 200, 150, 0.04), inset 0 1px 0 rgba(0, 200, 150, 0.06);
}

.feature-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 200, 150, 0.07);
  border: 1px solid rgba(0, 200, 150, 0.12);
  border-radius: 9px;
  color: var(--green);
  margin-bottom: 18px;
  flex-shrink: 0;
}

.feature-card h3 {
  font-family: var(--font-body);
  font-size: 0.93em;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 7px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.84em;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Feature grid stagger by column position */
.features-grid .reveal:nth-child(3n+1) { --delay: 0ms; }
.features-grid .reveal:nth-child(3n+2) { --delay: 80ms; }
.features-grid .reveal:nth-child(3n)   { --delay: 160ms; }

/* ═══════════════════════════════════════════════════════════════════════════
   INSTALL / QUICKSTART
   ═══════════════════════════════════════════════════════════════════════════ */
.install-section { padding: 108px 0; }

.terminal-wrap {
  max-width: 800px;
  margin: 52px auto 0;
  background: #07070d;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 24px 72px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-subtle);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  background: var(--elevated);
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-dots { display: flex; gap: 5px; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.7em;
  color: var(--text-muted);
  margin-left: 8px;
  flex: 1;
}

.copy-all-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.7em;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.copy-all-btn:hover {
  color: var(--green);
  border-color: var(--green-border);
}

.terminal-body {
  padding: 24px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.85em;
  line-height: 1.8;
}

.t-line   { display: flex; }
.t-spacer { height: 10px; }
.t-out    { padding-left: 2px; }

.t-prompt { color: var(--green); margin-right: 10px; user-select: none; flex-shrink: 0; }
.t-cmd    { color: var(--text); }
.t-check  { color: var(--green); margin-right: 10px; flex-shrink: 0; }
.t-arrow  { color: var(--green); margin-right: 10px; flex-shrink: 0; }

.t-link {
  color: var(--green);
  text-decoration: underline;
  text-decoration-color: rgba(0, 200, 150, 0.4);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s;
}

.t-link:hover { text-decoration-color: var(--green); }

/* ═══════════════════════════════════════════════════════════════════════════
   ECOSYSTEM
   ═══════════════════════════════════════════════════════════════════════════ */
.ecosystem-section {
  padding: 108px 0;
  background: var(--surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.ecosystem-list {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.eco-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border: 1px solid var(--border-subtle);
  background: var(--bg);
  border-radius: 10px;
  gap: 16px;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

a.eco-card:hover {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.015);
  transform: translateX(2px);
}

.eco-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.eco-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--eco-color, var(--text-muted));
  flex-shrink: 0;
}

.eco-live .eco-dot {
  box-shadow: 0 0 8px var(--eco-color, transparent);
  animation: pulse-eco 2.5s ease-in-out infinite;
}

.eco-name {
  font-family: var(--font-display);
  font-size: 0.93em;
  font-weight: 700;
  color: var(--text);
  display: block;
  letter-spacing: -0.01em;
}

.eco-desc {
  font-size: 0.78em;
  color: var(--text-secondary);
  display: block;
  margin-top: 1px;
}

.eco-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.eco-port {
  font-family: var(--font-mono);
  font-size: 0.75em;
  color: var(--text-muted);
}

.eco-badge {
  font-family: var(--font-mono);
  font-size: 0.65em;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.badge-live {
  background: rgba(0, 200, 150, 0.08);
  color: var(--green);
  border: 1px solid rgba(0, 200, 150, 0.18);
}

.badge-soon {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

/* ═══════════════════════════════════════════════════════════════════════════
   SECURITY
   ═══════════════════════════════════════════════════════════════════════════ */
.security-section {
  padding: 108px 0;
  border-top: 1px solid var(--border-subtle);
}

.security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.security-left h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.sec-desc {
  font-size: 0.93em;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 36px;
}

.sec-desc strong { color: var(--text); }

/* Architecture diagram */
.arch-diagram {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: nowrap;
}

.arch-box {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 14px 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.arch-box-nexus { border-color: rgba(0, 200, 150, 0.25); }

.arch-label {
  font-family: var(--font-mono);
  font-size: 0.62em;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.arch-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78em;
  color: var(--text-secondary);
  background: var(--elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 9px 11px;
}

.arch-item-agent { border-color: rgba(0, 200, 150, 0.15); color: var(--green); }
.arch-item-nexus  { border-color: rgba(0, 200, 150, 0.2);  color: var(--green); }
.arch-icon { font-size: 0.9em; }

.arch-line {
  height: 1px;
  margin: 0 4px;
  background: var(--border-subtle);
}

.arch-arrow-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.arch-arrow {
  font-size: 1.4em;
  color: var(--green);
  line-height: 1;
}

.arch-arrow-label {
  font-family: var(--font-mono);
  font-size: 0.58em;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.4;
}

.arch-note {
  font-family: var(--font-mono);
  font-size: 0.75em;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-top: 4px;
}

/* Security points */
.sec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 52px; /* align with left col content */
}

.sec-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.check-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  min-width: 22px;
  background: rgba(0, 200, 150, 0.08);
  border: 1px solid rgba(0, 200, 150, 0.18);
  border-radius: 50%;
  color: var(--green);
  font-size: 0.7em;
  font-weight: 700;
  margin-top: 2px;
}

.sec-list li > div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.sec-list strong {
  font-size: 0.93em;
  font-weight: 500;
  color: var(--text);
}

.sec-list span {
  font-size: 0.84em;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════════════════════
   CTA FINAL
   ═══════════════════════════════════════════════════════════════════════════ */
.cta-section {
  position: relative;
  padding: 128px 0;
  text-align: center;
  overflow: hidden;
  border-top: 1px solid var(--border-subtle);
}

.cta-glow {
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse at bottom, rgba(0, 200, 150, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.cta-section h2 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 14px;
  position: relative;
}

.cta-section > .container > p {
  font-size: 1.05em;
  color: var(--text-secondary);
  margin-bottom: 44px;
  position: relative;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  position: relative;
}

/* ═══════════════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 30px 0;
  background: var(--bg);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.88em;
  letter-spacing: 0.04em;
}

.footer-copy {
  font-size: 0.76em;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8em;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--green); }

/* ═══════════════════════════════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════════ */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 200, 150, 0.5); }
  50%       { opacity: 0.75; box-shadow: 0 0 0 6px rgba(0, 200, 150, 0); }
}

@keyframes pulse-eco {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.55; }
}

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

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.65s ease,
    transform 0.65s ease;
  transition-delay: var(--delay, 0ms);
}

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

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  .hero-line, .hero-badge, .hero-sub, .hero-actions, .hero-stats,
  .screen-mockup, .badge-dot, .eco-dot { animation: none; opacity: 1; }
  .reveal { transition: none; opacity: 1; transform: none; }
  .trust-inner { animation: none; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .security-grid { grid-template-columns: 1fr; gap: 56px; }
  .sec-list { padding-top: 0; }
}

@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; gap: 48px; }
  .why-divider { display: none; }
  .solution-list { padding-top: 0; }
  .features-grid .reveal:nth-child(3n+1),
  .features-grid .reveal:nth-child(3n+2),
  .features-grid .reveal:nth-child(3n)   { --delay: 0ms; }
  .features-grid .reveal:nth-child(odd)  { --delay: 0ms; }
  .features-grid .reveal:nth-child(even) { --delay: 80ms; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero { padding: 100px 0 0; }
  .hero-title { font-size: clamp(2.4rem, 9vw, 3.2rem); }
  .hero-sub { font-size: 1em; }
  .br-desktop { display: none; }
  .why-section,
  .features-section,
  .install-section,
  .ecosystem-section,
  .security-section { padding: 80px 0; }
  .cta-section { padding: 96px 0; }
  .arch-diagram { flex-wrap: wrap; }
  .arch-arrow-col { transform: rotate(90deg); margin: 4px 0; }
}

@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .features-grid .reveal:nth-child(n) { --delay: 0ms; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
  .section-title { font-size: 1.9rem; }
  .terminal-body { padding: 18px; font-size: 0.78em; }
  .terminal-wrap { margin-left: -4px; margin-right: -4px; border-radius: 10px; }
  .ecosystem-list { max-width: 100%; }
  .eco-port { display: none; }
  .cta-section h2 { font-size: 2rem; }
}

@media (max-width: 400px) {
  .hero-title { font-size: 2.1rem; }
  .hero-badge { font-size: 0.64em; }
  .why-col h2 { font-size: 1.5rem; }
}