/* ============================================================
   S-NFI CORP — Global Stylesheet v3 (LIGHT)
   Aesthetic: Anduril deep-tech × Mercedes-AMG sport — light technical
   Palette : Aluminium grey base · Teal accent · AMG silver · AMG red
   ============================================================ */

/* Fonts loaded via <link> in HTML head — non-blocking */

/* ============================================================
   SKIP NAV
   ============================================================ */
.skip-nav {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 10000;
  padding: 0.5rem 1rem;
  background: var(--accent-green, #00a878);
  color: #fff;
  font-family: var(--font-mono, monospace);
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  transition: top 0.2s;
}
.skip-nav:focus { top: 1rem; }

/* ============================================================
   VARIABLES — Light AMG technical
   ============================================================ */
:root {
  /* Base — aluminium brushed light */
  --bg-void:     #e8eaee;
  --bg-deep:     #dfe2e7;
  --bg-surface:  #f0f2f5;
  --bg-elevated: #f6f7f9;
  --bg-card:     #ffffff;

  /* Borders — AMG silver mid */
  --border:      rgba(20,24,32,0.10);
  --border-mid:  rgba(20,24,32,0.22);
  --border-hi:   rgba(20,24,32,0.40);

  /* Text — graphite hierarchy */
  --text-primary:   #0e1116;
  --text-secondary: #2a2f38;
  --text-muted:     #5a6170;
  --text-dim:       #8b919c;

  /* Accent teal — slightly deeper for contrast on light */
  --accent-green:  #00a878;
  --accent-green2: #008a62;
  --accent-cyan:   #0098c7;

  /* AMG silver / chrome */
  --amg-silver:    #8a8e96;
  --amg-silver-2:  #5a5d64;
  --amg-chrome-hi: #d8dbe0;
  --amg-chrome-lo: #3a3d44;

  /* AMG performance red */
  --amg-red:       #d80300;
  --amg-red-dark:  #9c0400;

  --accent-amber:  #c87a00;
  --accent-red:    #d80300;

  --font-display: 'Syne', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;
  --font-body:    'Inter', sans-serif;

  --nav-h: 80px;
  --max-w: 1280px;
  --radius: 0px;
  --radius-sm: 0px;

  --transition:      0.22s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 0.55s cubic-bezier(0.4,0,0.2,1);
  --ease-amg:        cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  background: var(--bg-void);
}

body {
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0,168,120,0.05) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 100% 100%, rgba(0,152,199,0.04) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-void) 0%, var(--bg-deep) 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; font-family: inherit; color: inherit; }
input, textarea, select { font-family: inherit; }

::selection { background: rgba(0,168,120,0.30); color: var(--text-primary); }

/* ============================================================
   GLOBAL PARTICLE CANVAS
   ============================================================ */
#fx-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

/* ============================================================
   TYPOGRAPHY SCALE
   ============================================================ */
.t-display {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 0.95;
}
.t-heading {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.t-mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.05em;
}
.t-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* AMG chrome text effect (light theme version) */
.t-chrome {
  background: linear-gradient(180deg,
    var(--amg-chrome-lo) 0%,
    var(--amg-silver-2) 35%,
    var(--amg-silver) 55%,
    var(--amg-silver-2) 75%,
    var(--amg-chrome-lo) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 2;
}
.container--narrow { max-width: 860px; }
.container--wide   { max-width: 1440px; padding: 0 2rem; }

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

/* ============================================================
   NAVIGATION — light AMG bar
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  background: rgba(232,234,238,0.78);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), border-color var(--transition);
}
.nav::before {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(0,168,120,0.5) 30%,
    rgba(58,61,68,0.5) 50%,
    rgba(0,168,120,0.5) 70%,
    transparent 100%);
  opacity: 0;
  transition: opacity var(--transition);
}
.nav.scrolled {
  background: rgba(246,247,249,0.95);
  border-bottom-color: transparent;
  box-shadow: 0 1px 0 rgba(20,24,32,0.06), 0 12px 30px -16px rgba(20,24,32,0.18);
}
.nav.scrolled::before { opacity: 1; }

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
}
.nav__logo-mark {
  width: 28px;
  height: 28px;
  border: 1.5px solid var(--accent-green);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.nav__logo-mark::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}
.nav__logo-text {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-primary);
}
.nav__logo-text span { color: var(--accent-green); }

.nav__logo-img {
  height: 50px;
  width: auto;
  display: block;
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(11%) sepia(11%) saturate(644%) hue-rotate(187deg) brightness(95%) contrast(91%);
  transition: filter var(--transition);
}
.nav__logo:hover .nav__logo-img {
  filter: brightness(0) saturate(100%) invert(48%) sepia(99%) saturate(379%) hue-rotate(120deg) brightness(95%) contrast(101%);
}
.footer__brand .nav__logo-img { height: 48px; }
@media (max-width: 768px) {
  .nav__logo-img { height: 40px; }
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
}
.nav__links a {
  position: relative;
  display: block;
  padding: 0 1.05rem;
  height: var(--nav-h);
  line-height: var(--nav-h);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.nav__links a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  width: 70%;
  height: 2px;
  background: var(--accent-green);
  box-shadow: 0 0 12px rgba(0,168,120,0.6);
  transition: transform var(--transition);
}
.nav__links a:hover { color: var(--text-primary); }
.nav__links a:hover::before,
.nav__links a.active::before { transform: translateX(-50%) scaleX(1); }
.nav__links a.active { color: var(--accent-green); }

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

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.btn--primary {
  padding: 0.7rem 1.4rem;
  background: var(--accent-green);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 50%, calc(100% - 10px) 100%, 0 100%, 10px 50%);
  transition: background var(--transition), transform var(--transition), filter var(--transition);
}
.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 0%, rgba(255,255,255,0.45) 50%, transparent 100%);
  transform: translateX(-110%);
  transition: transform 0.6s var(--ease-amg);
  z-index: -1;
}
.btn--primary:hover {
  background: var(--accent-green2);
  filter: drop-shadow(0 8px 20px rgba(0,168,120,0.35));
  transform: translateY(-1px);
}
.btn--primary:hover::before { transform: translateX(110%); }

.btn--ghost {
  padding: 0.7rem 1.4rem;
  border: 1px solid var(--border-mid);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: rgba(255,255,255,0.4);
  backdrop-filter: blur(4px);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.btn--ghost:hover {
  border-color: var(--accent-green);
  color: var(--accent-green);
  background: rgba(0,168,120,0.06);
}

.btn--amg {
  padding: 0.7rem 1.4rem;
  background: transparent;
  border: 1px solid var(--amg-red);
  color: var(--amg-red);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: background var(--transition), color var(--transition);
}
.btn--amg:hover {
  background: var(--amg-red);
  color: #fff;
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-secondary);
  transition: var(--transition);
}

/* ============================================================
   HERO — light cinematic
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 2rem) 0 5rem;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(0,168,120,0.10) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 85% 90%, rgba(0,152,199,0.06) 0%, transparent 55%),
    radial-gradient(ellipse 40% 40% at 0% 100%, rgba(216,3,0,0.04) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-void) 100%);
}
.hero__bg { display: none; }
.hero__bg-image {
  position: absolute;
  inset: 0;
  background-image: url('assets/images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.06;
  z-index: 0;
  mix-blend-mode: multiply;
}
.hero__grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(20,24,32,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,24,32,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  z-index: 0;
  mask-image: radial-gradient(ellipse 90% 90% at 50% 30%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 90% at 50% 30%, black 30%, transparent 75%);
  animation: grid-drift 30s linear infinite;
}
@keyframes grid-drift {
  0% { background-position: 0 0, 0 0; }
  100% { background-position: 64px 64px, 64px 64px; }
}

.hero__bracket {
  position: absolute;
  width: 50px;
  height: 50px;
  border: 1px solid var(--amg-silver-2);
  opacity: 0.45;
  z-index: 2;
}
.hero__bracket--tl { top: calc(var(--nav-h) + 1.5rem); left: 2rem; border-right: none; border-bottom: none; }
.hero__bracket--tr { top: calc(var(--nav-h) + 1.5rem); right: 2rem; border-left: none; border-bottom: none; }
.hero__bracket--bl { bottom: 2rem; left: 2rem; border-right: none; border-top: none; }
.hero__bracket--br { bottom: 2rem; right: 2rem; border-left: none; border-top: none; }

.hero__scan {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-green), transparent);
  filter: blur(0.5px);
  box-shadow: 0 0 18px rgba(0,168,120,0.5);
  opacity: 0.7;
  animation: scanline 7s linear infinite;
  z-index: 1;
}
@keyframes scanline {
  0%   { transform: translateY(0); opacity: 0; }
  5%   { opacity: 0.7; }
  95%  { opacity: 0.7; }
  100% { transform: translateY(100vh); opacity: 0; }
}

.hero__content {
  position: relative;
  z-index: 3;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}
.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid rgba(0,168,120,0.35);
  background: rgba(0,168,120,0.06);
  backdrop-filter: blur(8px);
}
.hero__tag-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-green);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 12px var(--accent-green); }
  50% { opacity: 0.55; transform: scale(0.75); box-shadow: 0 0 4px var(--accent-green); }
}
.hero__tag span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-green);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.6vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  overflow-wrap: break-word;
}
.hero__title em {
  font-style: normal;
  display: inline-block;
  white-space: nowrap;
  color: #000000;
  -webkit-text-fill-color: #000000;
  background: none;
}
.hero__subtitle {
  font-family: var(--font-mono);
  font-size: clamp(0.72rem, 1.2vw, 0.85rem);
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent-green);
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.hero__subtitle::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--accent-green);
}

.hero__statement {
  max-width: 580px;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 3rem;
  padding-left: 1.5rem;
  position: relative;
}
.hero__statement::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-green) 0%, var(--amg-silver) 50%, transparent 100%);
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__metrics {
  position: absolute;
  right: 2rem;
  bottom: 4rem;
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.hero__metric {
  background: rgba(255,255,255,0.85);
  border: 1px solid rgba(0,168,120,0.30);
  border-left: 2px solid var(--accent-green);
  padding: 0.8rem 1.3rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 24px -14px rgba(20,24,32,0.18);
}
.hero__metric::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-green), transparent);
  animation: metric-sweep 4s ease-in-out infinite;
}
@keyframes metric-sweep {
  0%, 100% { opacity: 0.3; transform: translateX(-100%); }
  50% { opacity: 1; transform: translateX(100%); }
}
.hero__metric-val {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-green);
}
.hero__metric-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hero__scroll {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.hero__scroll span {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--accent-green), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

/* HUD telemetry strip */
.hud-strip {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(20,24,32,0.94);
  overflow: hidden;
}
.hud-strip__track {
  display: flex;
  gap: 3rem;
  padding: 0.75rem 0;
  animation: hud-scroll 40s linear infinite;
  white-space: nowrap;
  width: max-content;
}
.hud-strip__item {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.hud-strip__item .val { color: var(--accent-green); font-weight: 700; }
.hud-strip__item .sep { color: var(--amg-silver); opacity: 0.5; }
@keyframes hud-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   SECTION
   ============================================================ */
.section {
  padding: 7rem 0;
  position: relative;
}
.section--tight { padding: 4rem 0; }
.section--xl    { padding: 10rem 0; }

.section__header {
  margin-bottom: 4rem;
}
.section__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent-green);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.section__eyebrow::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-green), transparent);
}
.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.2vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1;
  color: var(--text-primary);
}
.section__title em {
  font-style: normal;
  background: linear-gradient(180deg,
    var(--amg-chrome-lo) 0%,
    var(--amg-silver-2) 50%,
    var(--amg-chrome-lo) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section__desc {
  margin-top: 1.5rem;
  max-width: 580px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.85;
}

/* ============================================================
   DIVIDERS
   ============================================================ */
.divider {
  height: 1px;
  background: var(--border);
}
.divider--green {
  height: 1px;
  background: linear-gradient(90deg, var(--accent-green) 0%, transparent 60%);
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2rem;
  position: relative;
  transition: border-color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 1px 0 rgba(20,24,32,0.04);
}
.card:hover {
  border-color: var(--border-mid);
  background: var(--bg-elevated);
  box-shadow: 0 20px 40px -20px rgba(20,24,32,0.20);
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-green);
  box-shadow: 0 0 12px rgba(0,168,120,0.5);
  transition: width var(--transition-slow);
}
.card:hover::before { width: 100%; }

.card__code {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--accent-green);
  margin-bottom: 1.5rem;
}
.card__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}
.card__body {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ============================================================
   STAT
   ============================================================ */
.stat {
  padding: 2rem;
  border: 1px solid var(--border);
  border-bottom: 2px solid var(--accent-green);
  background: var(--bg-card);
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}
.stat:hover {
  border-color: var(--border-mid);
  border-bottom-color: var(--accent-green);
  background: var(--bg-elevated);
  box-shadow: 0 16px 32px -18px rgba(20,24,32,0.18);
}
.stat__value {
  font-family: var(--font-mono);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--accent-green);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat__label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.stat__desc {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ============================================================
   TERMINAL — dark contrast block
   ============================================================ */
.terminal {
  background: linear-gradient(180deg, #14171d 0%, #0c0f15 100%);
  border: 1px solid rgba(0,168,120,0.30);
  border-top: 2px solid var(--accent-green);
  padding: 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #5ce0b0;
  line-height: 1.8;
  position: relative;
  overflow: hidden;
  box-shadow:
    inset 0 1px 0 rgba(0,168,120,0.10),
    0 30px 60px -20px rgba(20,24,32,0.40);
}
.terminal::before {
  content: '// S-NFI INTEL CORE v3.1 — OPERATIONAL';
  display: block;
  color: rgba(255,255,255,0.45);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.terminal::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0,168,120,0.9), transparent);
  animation: term-sweep 5s linear infinite;
}
@keyframes term-sweep {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.terminal__line { display: flex; align-items: flex-start; gap: 0.75rem; }
.terminal__prompt { color: #5ce0b0; opacity: 0.5; flex-shrink: 0; }
.terminal__text { color: rgba(255,255,255,0.78); }
.terminal__text .hl { color: #5ce0b0; }
.terminal__cursor {
  display: inline-block;
  width: 8px;
  height: 1em;
  background: #5ce0b0;
  animation: blink 1.2s step-end infinite;
  vertical-align: text-bottom;
  margin-left: 2px;
  box-shadow: 0 0 8px rgba(0,168,120,0.7);
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ============================================================
   PILLAR
   ============================================================ */
.pillar {
  padding: 2.5rem 2rem;
  border-top: 1px solid var(--border);
  position: relative;
  transition: background var(--transition);
}
.pillar:hover { background: rgba(0,168,120,0.04); }
.pillar__num {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
}
.pillar__title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}
.pillar__body {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ============================================================
   PAGE HERO
   ============================================================ */
.page-hero {
  padding: calc(var(--nav-h) + 6rem) 0 5rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 70% 110% at 0% 50%, rgba(0,168,120,0.10) 0%, transparent 60%),
    radial-gradient(ellipse 50% 80% at 100% 100%, rgba(58,61,68,0.06) 0%, transparent 55%),
    linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-void) 100%);
}
.page-hero__bg { display: none; }
.page-hero__content { position: relative; z-index: 2; }
.page-hero__code {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent-green);
  margin-bottom: 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.page-hero__code::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--accent-green);
}
.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4.6rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 0.95;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  overflow-wrap: break-word;
  hyphens: none;
}
.page-hero__title em { display: inline; white-space: nowrap; }
.page-hero__title em {
  font-style: normal;
  background: linear-gradient(180deg,
    var(--amg-chrome-lo) 0%,
    var(--amg-silver-2) 50%,
    var(--amg-chrome-lo) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-hero__desc {
  max-width: 580px;
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.85;
}

/* ============================================================
   FORM
   ============================================================ */
.form-group { margin-bottom: 1.4rem; }
.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  padding: 0.85rem 1rem;
  outline: none;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  appearance: none;
  border-radius: 0;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent-green);
  background: #ffffff;
  box-shadow: 0 0 0 1px var(--accent-green), 0 0 18px rgba(0,168,120,0.18);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-dim); }
.form-textarea { min-height: 120px; resize: vertical; }
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
}
.form-checkbox input[type="checkbox"] {
  width: 14px;
  height: 14px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--accent-green);
  cursor: pointer;
}
.form-checkbox span {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.form-checkbox a { color: var(--accent-green); border-bottom: 1px solid rgba(0,168,120,0.3); }
.form-submit {
  margin-top: 1.5rem;
  width: 100%;
  padding: 1rem 2rem;
  background: var(--accent-green);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: background var(--transition), transform var(--transition), filter var(--transition);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 50%, calc(100% - 12px) 100%, 0 100%, 12px 50%);
}
.form-submit:hover {
  background: var(--accent-green2);
  filter: drop-shadow(0 8px 22px rgba(0,168,120,0.40));
  transform: translateY(-1px);
}

/* ============================================================
   FOOTER — dark contrast against light body
   ============================================================ */
.footer {
  background: linear-gradient(180deg, #14171d 0%, #0c0f15 100%);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 4rem 0 2rem;
  position: relative;
  z-index: 2;
  color: rgba(255,255,255,0.72);
}
.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-green) 50%, transparent);
}
.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}
.footer__brand p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.8;
  margin-top: 1rem;
  max-width: 320px;
}
.footer__brand .nav__logo-img {
  filter: brightness(0) invert(1) opacity(0.95);
}
.footer__email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-green);
  border-bottom: 1px solid rgba(0,168,120,0.35);
  padding-bottom: 2px;
  transition: border-color var(--transition);
}
.footer__email:hover { border-color: var(--accent-green); }
.footer__col h4 {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amg-chrome-hi);
  margin-bottom: 1.25rem;
}
.footer__col ul { list-style: none; }
.footer__col li + li { margin-top: 0.6rem; }
.footer__col a {
  font-size: 0.825rem;
  color: rgba(255,255,255,0.72);
  transition: color var(--transition);
}
.footer__col a:hover { color: var(--accent-green); }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer__copy {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.08em;
}
.footer__legal {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer__legal a {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.08em;
  transition: color var(--transition);
}
.footer__legal a:hover { color: rgba(255,255,255,0.85); }

/* ============================================================
   NAV BURGER ACTIVE
   ============================================================ */
.nav__burger.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__burger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__burger.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.nav__burger span { transition: var(--transition); }

/* ============================================================
   NOISE / GRAIN — very subtle on light
   ============================================================ */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.020;
  mix-blend-mode: multiply;
}

/* ============================================================
   TAG / BADGE
   ============================================================ */
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border: 1px solid currentColor;
  background: rgba(255,255,255,0.5);
}
.tag--green  { color: var(--accent-green); border-color: rgba(0,168,120,0.45); background: rgba(0,168,120,0.08); }
.tag--cyan   { color: var(--accent-cyan); border-color: rgba(0,152,199,0.45); background: rgba(0,152,199,0.08); }
.tag--amber  { color: var(--accent-amber); border-color: rgba(200,122,0,0.45); background: rgba(200,122,0,0.08); }
.tag--silver { color: var(--amg-silver-2); border-color: rgba(58,61,68,0.40); background: rgba(58,61,68,0.06); }
.tag--red    { color: var(--amg-red); border-color: rgba(216,3,0,0.45); background: rgba(216,3,0,0.06); }

/* ============================================================
   MODULES GRID — CRITICAL: ensure stacking + visibility
   ============================================================ */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-mid);
  position: relative;
  z-index: 2;
}
.module-item {
  background: var(--bg-card);
  padding: 2.5rem 2rem;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition);
  isolation: isolate;
  min-height: 220px;
}
.module-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%),
    rgba(0,168,120,0.12) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 0;
  pointer-events: none;
}
.module-item:hover {
  background: var(--bg-elevated);
  box-shadow: 0 18px 36px -22px rgba(20,24,32,0.20) inset;
}
.module-item:hover::before { opacity: 1; }
.module-item::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent-green);
  box-shadow: 0 0 14px rgba(0,168,120,0.5);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
  z-index: 2;
}
.module-item:hover::after { transform: scaleX(1); }
.module-item > * { position: relative; z-index: 1; }
.module-item__code {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--accent-green);
  margin-bottom: 1.5rem;
}
.module-item__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  letter-spacing: -0.015em;
}
.module-item__body {
  font-size: 0.825rem;
  color: var(--text-secondary);
  line-height: 1.75;
}
.module-item__arrow {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: border-color var(--transition), color var(--transition), background var(--transition), transform var(--transition);
  z-index: 2;
}
.module-item:hover .module-item__arrow {
  border-color: var(--accent-green);
  color: #ffffff;
  background: var(--accent-green);
  transform: translate(2px, -2px);
  box-shadow: 0 0 18px rgba(0,168,120,0.40);
}

/* ============================================================
   ANIMATIONS — fail-safe: only hide if js-active class set by interactions.js
   Otherwise content stays visible (no JS = no broken layout)
   ============================================================ */
html.js-fx .fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-amg), transform 0.7s var(--ease-amg);
}
html.js-fx .fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up { opacity: 1; transform: none; }
.fade-up:nth-child(1) { transition-delay: 0s; }
.fade-up:nth-child(2) { transition-delay: 0.08s; }
.fade-up:nth-child(3) { transition-delay: 0.16s; }
.fade-up:nth-child(4) { transition-delay: 0.24s; }
.fade-up:nth-child(5) { transition-delay: 0.32s; }
.fade-up:nth-child(6) { transition-delay: 0.40s; }
.fade-up:nth-child(7) { transition-delay: 0.48s; }
.fade-up:nth-child(8) { transition-delay: 0.56s; }

html.js-fx .reveal-clip {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1s var(--ease-amg);
}
html.js-fx .reveal-clip.visible { clip-path: inset(0 0 0 0); }
.reveal-clip { clip-path: none; }

.tilt {
  transform-style: preserve-3d;
  transition: transform 0.3s var(--ease-amg);
  will-change: transform;
}

.magnetic { transition: transform 0.25s var(--ease-amg); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1200px) {
  .nav__links a { padding: 0 0.75rem; font-size: 0.62rem; }
}

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .modules-grid { grid-template-columns: repeat(2,1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .hero__metrics { display: none; }
  .hero__bracket { width: 36px; height: 36px; }
  .section { padding: 5rem 0; }
  .section--xl { padding: 7rem 0; }
}

.mobile-nav { display: none; }

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .nav__cta .btn--ghost { display: none; }
  .nav__inner { padding: 0 1.25rem; }
  body.nav-open { overflow: hidden; }

  .mobile-nav {
    display: block;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-elevated);
    z-index: 9999;
    overflow-y: auto;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0s linear 0.22s;
    border-top: 1px solid var(--border);
  }
  .mobile-nav.open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0s linear 0s;
  }

  .mobile-nav__menu {
    display: flex;
    flex-direction: column;
    height: 100%;
    counter-reset: mnav;
  }

  .mobile-nav__list { list-style: none; flex: 1; }
  .mobile-nav__list li {
    counter-increment: mnav;
    border-bottom: 1px solid var(--border);
  }
  .mobile-nav__list a {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.2rem 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.15s, background 0.15s;
  }
  .mobile-nav__list a::before {
    content: counter(mnav, decimal-leading-zero);
    font-size: 0.58rem;
    color: var(--accent-green);
    min-width: 1.5rem;
    flex-shrink: 0;
    transition: color 0.15s;
  }
  .mobile-nav__list a:hover {
    color: var(--text-primary);
    background: rgba(0,168,120,0.06);
  }
  .mobile-nav__list a.active {
    color: var(--accent-green);
    border-left: 2px solid var(--accent-green);
    padding-left: calc(1.5rem - 2px);
  }
  .mobile-nav__list a.active::before { color: var(--accent-green); }

  .mobile-nav__cta {
    display: block;
    margin: 2rem 1.5rem 3rem;
    padding: 1.1rem 1.5rem;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #ffffff !important;
    background: var(--accent-green);
    text-decoration: none;
    transition: background 0.15s;
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 50%, calc(100% - 12px) 100%, 0 100%, 12px 50%);
  }
  .mobile-nav__cta:hover { background: var(--accent-green2); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; gap: 2rem; }
  .container { padding: 0 1.25rem; }
  .hero { padding-top: calc(var(--nav-h) + 2.5rem); padding-bottom: 4rem; }
  .hero__title { font-size: clamp(1.6rem, 7.5vw, 2.8rem); line-height: 1; word-break: break-word; }
  .hero__title em { white-space: normal; }
  .hero__bracket { display: none; }
  .hero__actions { gap: 0.75rem; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .section { padding: 4rem 0; }
  .section--tight { padding: 3rem 0; }
  .section--xl { padding: 5rem 0; }
  .section__header { margin-bottom: 2.5rem; }
  .page-hero { padding: calc(var(--nav-h) + 3.5rem) 0 3rem; }
  .page-hero__title { font-size: clamp(2rem, 10vw, 4rem); word-break: break-word; }
  .stat { padding: 1.5rem; }
  .stat__value { font-size: 2.1rem; }
  .card { padding: 1.5rem; }
  .terminal { overflow-x: auto; font-size: 0.72rem; }
  .section__eyebrow::after { display: none; }
}

@media (max-width: 480px) {
  :root { --nav-h: 68px; }
  .container { padding: 0 1rem; }
  .nav__logo-text { font-size: 0.72rem; }
  .btn--primary, .btn--ghost, .btn--amg { padding: 0.65rem 1rem; font-size: 0.65rem; }
  /* Hero title: reduce enough so INFRAESTRUCTURA fits on one line */
  .hero__title { font-size: clamp(1.6rem, 7.5vw, 2.4rem); word-break: break-word; line-height: 1; }
  /* Allow INFRAESTRUCTURA to wrap if still too tight */
  .hero__title em { white-space: normal; }
  .hero__subtitle { font-size: 0.7rem; letter-spacing: 0.16em; }
  .hero__statement { font-size: 0.9rem; padding-left: 1rem; }
  .section__title { font-size: clamp(1.75rem, 7vw, 2.5rem); word-break: break-word; }
  .page-hero__title { font-size: clamp(1.9rem, 11vw, 3rem); word-break: break-word; }
  .footer__top { gap: 1.5rem; }
  .footer__bottom { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .footer__legal { gap: 1rem; }
  .modules-grid { gap: 0; }
  .terminal { font-size: 0.68rem; padding: 1rem; }
  .nav__cta .btn--primary { padding: 0.55rem 0.8rem; font-size: 0.6rem; }
  .hero__scroll { display: none; }
  .hero { padding-bottom: 3rem; }
  /* Hero v2 mobile: keep WebGL 3D, scaled down + lighter (see interactions.js isMobile branch) */
  .hero--v2 #hero-webgl { width: 130%; left: -15%; opacity: 0.30; }
  /* HUD top bar: stack to 2 cells, reduce padding */
  .hero__hud-top { font-size: 0.48rem; gap: 0; }
  .hero__hud-cell { padding: 0.3rem 0.5rem; gap: 0.3rem; }
  /* Hero v2 padding: give more room to content */
  .hero--v2 { padding-top: calc(var(--nav-h) + 2rem); padding-bottom: 3rem; }
  .hero--v2 .hero__content { padding: 0 1rem; max-width: 100%; }
  /* Tag margin tighter */
  .hero__tag { margin-bottom: 1.5rem; }
  /* Statement less margin */
  .hero__statement { margin-bottom: 2rem; }
}

@media (max-width: 400px) {
  .nav__logo-text { display: none; }
  .nav__cta .btn--primary { font-size: 0.58rem; padding: 0.45rem 0.7rem; }
}

/* ============================================================
   TOUCH
   ============================================================ */
@media (hover: none) {
  .module-item__arrow { opacity: 1; }
  .paper-item__action { opacity: 1; }
  .tilt { transform: none !important; }
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-void); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--amg-silver-2), var(--amg-chrome-lo));
  border-radius: 0;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent-green); }

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  #fx-canvas { display: none; }
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
  .nav, .hero__scan, .hero__scroll, body::after, #fx-canvas, .hud-strip { display: none !important; }
  body { background: white; color: black; }
}

/* ============================================================
   SECTION BACKGROUND HELPERS — fix per-page section bg
   Previous bg-deep used as dark contrast band; now lighter band
   ============================================================ */
section[style*="background:var(--bg-deep)"],
section[style*="background: var(--bg-deep)"] {
  background: var(--bg-deep) !important;
}

/* ============================================================
   HERO v2 — WebGL cockpit
   ============================================================ */
.hero--v2 {
  min-height: 100vh;
  padding: calc(var(--nav-h) + 3.5rem) 0 6rem;
  background:
    radial-gradient(ellipse 60% 65% at 50% 50%, rgba(0,168,120,0.18) 0%, rgba(0,168,120,0.04) 40%, transparent 70%),
    radial-gradient(ellipse 45% 50% at 50% 55%, rgba(0,152,199,0.12) 0%, transparent 55%),
    radial-gradient(ellipse 40% 40% at 0% 100%, rgba(216,3,0,0.04) 0%, transparent 60%),
    linear-gradient(180deg, #f4f6fa 0%, #e4e8ee 50%, #d4d9e1 100%);
}
.hero--v2::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(20,24,32,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,24,32,0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 100% 90% at 50% 50%, black 40%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 100% 90% at 50% 50%, black 40%, transparent 90%);
  animation: grid-drift 60s linear infinite;
}
.hero--v2::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(80vh, 900px);
  height: min(80vh, 900px);
  transform: translate(-50%, -50%);
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(circle at center,
    rgba(0,168,120,0.18) 0%,
    rgba(0,152,199,0.10) 35%,
    transparent 70%);
  filter: blur(60px);
}
.hero--v2 #hero-webgl {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  mix-blend-mode: normal;
  opacity: 0.85;
}
.hero--v2 .hero__content {
  max-width: 680px;
  position: relative;
  z-index: 3;
}
.hero__vignette {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 70% at 50% 50%, transparent 35%, rgba(244,247,251,0.35) 90%),
    linear-gradient(180deg, transparent 75%, rgba(20,24,32,0.08) 100%);
}

.hero__hud-top {
  position: absolute;
  top: calc(var(--nav-h) + 0.75rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  gap: 0;
  border: 1px solid rgba(20,24,32,0.12);
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
}
.hero__hud-cell {
  display: flex;
  gap: 0.6rem;
  padding: 0.4rem 0.9rem;
  border-right: 1px solid rgba(20,24,32,0.08);
  align-items: center;
}
.hero__hud-cell:last-child { border-right: none; }
.hero__hud-cell .k { color: var(--text-muted); }
.hero__hud-cell .v { color: var(--text-primary); font-weight: 700; display: inline-flex; align-items: center; gap: 0.35rem; }
.hero__hud-cell .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse 1.6s ease-in-out infinite;
}

.hero__coord {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}
.hero__coord--l { left: 1rem; }
.hero__coord--r { right: 1rem; }
.hero__coord span { padding: 0.2rem 0; }

/* Split-text */
.split-char {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.5em) rotateX(45deg);
  transform-origin: 50% 100%;
  transition: opacity 0.6s var(--ease-amg), transform 0.6s var(--ease-amg);
}
.split-char--in {
  opacity: 1;
  transform: translateY(0) rotateX(0);
}
.split-char--space { width: 0.3em; }

/* Cockpit gauges */
.hero__cockpit {
  position: absolute;
  bottom: 4rem;
  left: 2rem;
  z-index: 4;
  display: flex;
  gap: 0.75rem;
}
.gauge {
  position: relative;
  width: 96px;
  height: 96px;
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(0,168,120,0.25);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 30px -18px rgba(20,24,32,0.30);
}
.gauge svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.gauge__bg {
  fill: none;
  stroke: rgba(20,24,32,0.10);
  stroke-width: 4;
}
.gauge__fg {
  fill: none;
  stroke: var(--accent-green);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 314.159;
  stroke-dashoffset: 314.159;
  filter: drop-shadow(0 0 6px rgba(0,168,120,0.4));
  transition: stroke-dashoffset 1.6s var(--ease-amg);
}
.gauge__val {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  z-index: 1;
}
.gauge__lbl {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.3rem;
  z-index: 1;
}

/* page-hero logo (sustainability) */
.page-hero__logo {
  position: absolute;
  top: calc(var(--nav-h) + 1.5rem);
  left: 2rem;
  z-index: 3;
  width: 64px;
  height: 64px;
  object-fit: contain;
  opacity: 0.92;
  filter: drop-shadow(0 4px 12px rgba(20,24,32,0.15));
}

/* Horizontal scroll section */
.hscroll-section {
  position: relative;
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.hscroll-section__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hscroll-track {
  display: flex;
  gap: 1.5rem;
  padding: 0 4vw;
  will-change: transform;
}
.hscroll-card {
  flex: 0 0 clamp(280px, 32vw, 460px);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2rem;
  min-height: 60vh;
}

/* hero responsive v2 */
@media (max-width: 1400px) {
  .hero__coord { display: none; }
}
@media (max-width: 1280px) {
  .hero__cockpit { left: 1.5rem; bottom: 4rem; gap: 0.6rem; }
  .hero__metrics { right: 1.5rem; bottom: 4rem; }
  .gauge { width: 72px; height: 72px; }
  .gauge__val { font-size: 0.78rem; }
  .gauge__lbl { font-size: 0.46rem; }
}
@media (max-width: 1100px) {
  .hero__cockpit { left: 1.25rem; bottom: 4rem; gap: 0.5rem; }
  .hero__metrics { right: 1.25rem; bottom: 4rem; }
  .gauge { width: 60px; height: 60px; }
  .gauge__val { font-size: 0.68rem; }
  .gauge__lbl { font-size: 0.4rem; margin-top: 0.15rem; }
  .hero--v2 #hero-webgl { width: 75%; opacity: 0.35; }
  .hero--v2 .hero__content { max-width: 70%; }
}
@media (max-width: 1024px) {
  .hero__cockpit { display: none; }
}
@media (max-width: 900px) {
  .hero__hud-top { font-size: 0.55rem; }
  .hero__hud-cell { padding: 0.35rem 0.6rem; gap: 0.4rem; }
  .hero__hud-cell:nth-child(3),
  .hero__hud-cell:nth-child(4) { display: none; }
  .hero--v2 #hero-webgl { width: 100%; opacity: 0.20; }
  .hero--v2 .hero__content { max-width: 100%; }
}
@media (max-width: 600px) {
  .hero__hud-top { font-size: 0.5rem; }
  .hero__hud-cell:nth-child(3),
  .hero__hud-cell:nth-child(4) { display: none; }
  .page-hero__logo { width: 48px; height: 48px; top: calc(var(--nav-h) + 1rem); left: 1rem; }
}
@media (max-width: 480px) {
  .hero__hud-cell:nth-child(2),
  .hero__hud-cell:nth-child(3),
  .hero__hud-cell:nth-child(4) { display: none; }
}

/* ============================================================
   DEEP-TECH MOTION MODULES — flow lines · telemetry · scanline · scroll bars
   ============================================================ */

/* --- Flow lines (SVG) --- */
.flow-lines {
  position: relative;
  width: 100%;
  height: 320px;
  background: linear-gradient(180deg, var(--bg-elevated, #f6f7f9) 0%, var(--bg-surface, #f0f2f5) 100%);
  border: 1px solid var(--border, rgba(20,24,32,0.10));
  border-top: 2px solid var(--accent-green, #00a878);
  overflow: hidden;
}
.flow-lines__svg { width: 100%; height: 100%; display: block; }
.flow-lines__grid { stroke: rgba(20,24,32,0.05); stroke-width: 1; }
.flow-lines__path {
  fill: none;
  stroke: var(--accent-green, #00a878);
  stroke-width: 1.3;
  stroke-opacity: 0.55;
  filter: drop-shadow(0 0 3px rgba(0,168,120,0.35));
}
.flow-lines__node {
  fill: var(--accent-green, #00a878);
  stroke: rgba(255,255,255,0.85);
  stroke-width: 1.2;
}
.flow-lines__dot {
  fill: #00c896;
  filter: drop-shadow(0 0 6px rgba(0,200,150,0.85));
}
@media (prefers-reduced-motion: reduce) {
  .flow-lines__dot { display: none; }
}

/* --- Telemetry counter readout --- */
[data-telemetry] {
  font-family: var(--font-mono, monospace);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--accent-green, #00a878);
  transition: color 0.4s;
}
[data-telemetry]::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green, #00a878);
  margin-right: 0.55em;
  box-shadow: 0 0 6px rgba(0,168,120,0.85);
  animation: telemetry-pulse 1.6s ease-in-out infinite;
  vertical-align: 0.05em;
}
@keyframes telemetry-pulse {
  0%, 100% { opacity: 0.4; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.1); }
}
@media (prefers-reduced-motion: reduce) {
  [data-telemetry]::before { animation: none; opacity: 0.9; }
}

/* --- Scanline overlay --- */
.scanline {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background:
    repeating-linear-gradient(
      180deg,
      transparent 0px,
      transparent 2px,
      rgba(20,24,32,0.025) 3px,
      transparent 4px
    );
  mix-blend-mode: multiply;
  opacity: 0.7;
}
.scanline::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 100px;
  background: linear-gradient(180deg,
    transparent 0%,
    rgba(0,168,120,0.05) 50%,
    transparent 100%);
  animation: scanline-sweep 7s linear infinite;
  pointer-events: none;
}
@keyframes scanline-sweep {
  0%   { transform: translateY(-110%); }
  100% { transform: translateY(800%); }
}
@media (prefers-reduced-motion: reduce) {
  .scanline::after { animation: none; opacity: 0; }
}

/* --- Scroll progress bar --- */
.scroll-bar {
  position: relative;
  height: 4px;
  background: var(--border, rgba(20,24,32,0.10));
  overflow: hidden;
  margin: 0.5rem 0 1.25rem;
}
.scroll-bar > span {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-green, #00a878) 0%, #00c896 100%);
  box-shadow: 0 0 8px rgba(0,168,120,0.5);
  transition: width 1.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.scroll-bar > span::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 2px;
  height: 100%;
  background: #fff;
  opacity: 0.85;
  box-shadow: 0 0 10px rgba(0,200,150,0.9);
}
.scroll-bar__label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono, monospace);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary, #555);
  margin-bottom: 0.3rem;
}
.scroll-bar__label b {
  color: var(--accent-green, #00a878);
  font-weight: 600;
}