/* ============================================
   POLPO 8 — Future Interface System
   RZZ Consulting S.L.U.
   ============================================ */

/* ---------- Custom Properties ---------- */
:root {
  --black:       #000000;
  --bg:          #050508;
  --bg-1:        #080810;
  --bg-card:     #0a0a12;
  --bg-raised:   #0f0f1a;

  --green:       #80bd0f;
  --green-dim:   rgba(128, 189, 15, 0.08);
  --green-mid:   rgba(128, 189, 15, 0.2);
  --green-glow:  0 0 20px rgba(128, 189, 15, 0.4);
  --green-glow-lg: 0 0 60px rgba(128, 189, 15, 0.2), 0 0 120px rgba(128, 189, 15, 0.1);

  --cyan:        #00e5ff;
  --cyan-dim:    rgba(0, 229, 255, 0.08);
  --purple:      #8800ff;
  --orange:      #ff6600;
  --red:         #ff2244;

  --white:       #f0f0f0;
  --grey-hi:     #aaaaaa;
  --grey:        #555555;
  --grey-lo:     #222222;
  --border:      rgba(128, 189, 15, 0.15);
  --border-hi:   rgba(128, 189, 15, 0.4);
  --border-dim:  rgba(255, 255, 255, 0.06);

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

  --nav-h:       60px;
  --section-pad: 100px;
  --container:   1200px;

  --t-fast:      0.15s linear;
  --t-mid:       0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection {
  background: var(--green);
  color: var(--black);
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul, ol { list-style: none; }
button { font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; }


/* ---------- Noise + Grid Overlay ---------- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(128, 189, 15, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--white);
}

h1 { font-size: clamp(2.8rem, 5.5vw, 5.5rem); }
h2 { font-size: clamp(2rem, 3.5vw, 3.2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

p { color: var(--grey-hi); line-height: 1.7; }

.mono {
  font-family: var(--font-mono);
  font-size: 0.8em;
}

.label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green);
}

.text-green { color: var(--green); }
.text-cyan  { color: var(--cyan); }
.text-grey  { color: var(--grey); }
.text-dim   { color: var(--grey); }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}

.section {
  padding: var(--section-pad) 0;
  position: relative;
  overflow: hidden;
}

.section--alt {
  background: var(--bg);
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  opacity: 0.3;
}

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
  gap: 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--white);
}

.nav__logo-icon {
  height: 32px;
  width: auto;
  display: block;
  mix-blend-mode: screen;
}

.footer__brand-img {
  height: 36px;
  width: auto;
  display: block;
  mix-blend-mode: screen;
  margin-bottom: 14px;
}

.icon-sm {
  height: 18px;
  width: auto;
  display: inline-block;
  vertical-align: middle;
  mix-blend-mode: screen;
}

.nav__logo-name {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__logo-name em {
  font-style: normal;
  color: var(--green);
}

.nav__logo-tag {
  font-size: 0.55rem;
  color: var(--grey);
  letter-spacing: 0.08em;
  padding: 1px 5px;
  border: 1px solid var(--grey-lo);
  border-radius: 2px;
  margin-left: 4px;
  vertical-align: middle;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav__links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grey);
  padding: 6px 14px;
  border-right: 1px solid var(--border-dim);
  transition: var(--t-fast);
  white-space: nowrap;
}

.nav__links a:first-child {
  border-left: 1px solid var(--border-dim);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--green);
  background: var(--green-dim);
}

.nav__cta-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
}

.nav__hamburger span {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--grey-hi);
  transition: var(--t-mid);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: var(--t-fast);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--green);
  transform: translateX(-101%);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: -1;
}

.btn:hover::before { transform: translateX(0); }

.btn--primary {
  background: var(--green);
  color: var(--black);
  border: 1px solid var(--green);
}

.btn--primary:hover {
  background: transparent;
  color: var(--green);
  box-shadow: var(--green-glow);
}

.btn--primary:hover::before { transform: translateX(-101%); }

.btn--outline {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--border-hi);
}

.btn--outline:hover {
  color: var(--black);
  border-color: var(--green);
}

.btn--ghost {
  background: transparent;
  color: var(--grey-hi);
  border: 1px solid var(--border-dim);
  font-size: 0.7rem;
}

.btn--ghost:hover {
  color: var(--white);
  border-color: var(--border);
}

.btn--sm { padding: 7px 14px; font-size: 0.68rem; }
.btn--lg { padding: 14px 32px; font-size: 0.8rem; }

/* ---------- Terminal Panel (Cards) ---------- */
.panel {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-top: 1px solid var(--border);
  position: relative;
  padding: 28px;
  transition: var(--t-fast);
}

.panel::before {
  content: '';
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 1px;
  background: var(--green);
  opacity: 0;
  transition: opacity var(--t-fast);
}

.panel:hover {
  border-color: var(--border);
  background: var(--bg-raised);
}

.panel:hover::before { opacity: 1; }

.panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-dim);
}

.panel__id {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--green);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.panel__status {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.panel__status::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
  animation: blink-green 2s ease-in-out infinite;
}

.panel h3 {
  font-size: 1rem;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.panel p {
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--grey-hi);
}

.panel__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--grey);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-dim);
  padding: 3px 8px;
  letter-spacing: 0.05em;
}

/* ---------- Section Headers ---------- */
.section-head {
  margin-bottom: 56px;
}

.section-head__label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--green);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-head__label::before {
  content: '//';
  opacity: 0.5;
}

.section-head__label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
  max-width: 80px;
}

.section-head h2 {
  margin-bottom: 16px;
}

.section-head p {
  font-size: 1rem;
  max-width: 600px;
  color: var(--grey-hi);
}

/* ---------- Grid ---------- */
.grid {
  display: grid;
  gap: 1px;
  background: var(--border-dim);
}

.grid > * {
  background: var(--bg-card);
}

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

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 0;
  padding-top: var(--nav-h);
  position: relative;
  overflow: hidden;
}

/* Scanlines */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  pointer-events: none;
  z-index: 0;
}

.hero__left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 56px 80px 28px;
  position: relative;
  z-index: 1;
  border-right: 1px solid var(--border-dim);
}

.hero__right {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--bg);
  padding: 60px 28px;
  position: relative;
  z-index: 1;
}

.hero__sys-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--green);
  margin-bottom: 40px;
  letter-spacing: 0.05em;
}

.hero__sys-line .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: blink-green 1.5s ease-in-out infinite;
}

.hero h1 {
  font-size: clamp(3rem, 5.5vw, 5.8rem);
  line-height: 1.0;
  margin-bottom: 28px;
  letter-spacing: -0.04em;
}

.hero h1 em {
  font-style: normal;
  color: var(--green);
  display: block;
}

.hero__sub {
  font-size: 0.95rem;
  color: var(--grey-hi);
  max-width: 500px;
  margin-bottom: 44px;
  line-height: 1.75;
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Hero arms panel */
.arms-panel {
  width: 100%;
}

.arms-panel__header {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--grey);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0 0 14px 0;
  border-bottom: 1px solid var(--border-dim);
  margin-bottom: 2px;
  display: flex;
  justify-content: space-between;
}

.arm-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-bottom: 1px solid var(--border-dim);
  transition: var(--t-fast);
  cursor: none;
  position: relative;
}

.arm-row:hover {
  background: var(--green-dim);
  border-color: var(--border);
}

.arm-row__id {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--grey);
  width: 52px;
  flex-shrink: 0;
  letter-spacing: 0.05em;
}

.arm-row__name {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--white);
  flex: 1;
  letter-spacing: 0.02em;
}

.arm-row:hover .arm-row__name {
  color: var(--green);
}

.arm-row__status {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.arm-row__status::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
}

/* stagger blink delays */
.arm-row:nth-child(2) .arm-row__status::before { animation-delay: -0.5s; }
.arm-row:nth-child(3) .arm-row__status::before { animation-delay: -1s; }
.arm-row:nth-child(4) .arm-row__status::before { animation-delay: -1.5s; }
.arm-row:nth-child(5) .arm-row__status::before { animation-delay: -0.3s; }
.arm-row:nth-child(6) .arm-row__status::before { animation-delay: -0.8s; }
.arm-row:nth-child(7) .arm-row__status::before { animation-delay: -1.2s; }
.arm-row:nth-child(8) .arm-row__status::before { animation-delay: -1.8s; }
.arm-row__status::before { animation: blink-green 2.5s ease-in-out infinite; }

.arms-panel__footer {
  display: flex;
  justify-content: space-between;
  padding: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--grey);
  letter-spacing: 0.08em;
}

/* ---------- Stats bar ---------- */
.stats-bar {
  border-top: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim);
  background: var(--bg);
}

.stats-bar__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat-item {
  padding: 28px 24px;
  border-right: 1px solid var(--border-dim);
  position: relative;
}

.stat-item:last-child { border-right: none; }

.stat-item__val {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--green);
  line-height: 1;
  margin-bottom: 6px;
  letter-spacing: -0.04em;
}

.stat-item__label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--grey);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---------- Clients ---------- */
.clients-strip {
  padding: 48px 0;
  border-bottom: 1px solid var(--border-dim);
}

.clients-strip__label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--grey);
  margin-bottom: 24px;
}

.clients-grid {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
}

.client-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--border-dim);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--grey-hi);
  transition: var(--t-fast);
  text-decoration: none;
  letter-spacing: 0.03em;
}

.client-chip:hover {
  color: var(--green);
  border-color: var(--border-hi);
  background: var(--green-dim);
}

.client-chip__dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--green);
  opacity: 0.6;
}

/* ---------- Use Case Cards ---------- */
.uc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-top: 1px solid var(--border);
  padding: 32px;
  position: relative;
  transition: var(--t-fast);
}

.uc-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 0;
  height: 2px;
  background: var(--green);
  transition: width 0.3s ease;
}

.uc-card:hover {
  border-color: var(--border);
  background: var(--bg-raised);
}

.uc-card:hover::before { width: 100%; }

.uc-card__industry {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin-bottom: 14px;
}

.uc-card h3 { font-size: 1rem; margin-bottom: 10px; }

.uc-card p { font-size: 0.84rem; line-height: 1.65; }

.uc-card__result {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border-dim);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--green);
  letter-spacing: 0.03em;
}

/* ---------- Powered By ---------- */
.powered-block {
  padding: 72px 0;
  text-align: center;
  border-top: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim);
}

.powered-badge {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 20px 32px;
  border: 1px solid var(--border-hi);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--grey-hi);
  text-decoration: none;
  transition: var(--t-fast);
  letter-spacing: 0.04em;
  position: relative;
}

.powered-badge::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--green-dim);
  opacity: 0;
  transition: opacity var(--t-fast);
}

.powered-badge:hover {
  color: var(--green);
  border-color: var(--green);
  box-shadow: var(--green-glow-lg);
}

.powered-badge:hover::after { opacity: 1; }

.powered-badge strong {
  color: var(--white);
  font-weight: 600;
}

/* ---------- CTA Terminal ---------- */
.cta-terminal {
  padding: var(--section-pad) 0;
  position: relative;
  overflow: hidden;
}

.cta-terminal::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--green), transparent);
  opacity: 0.15;
}

.cta-box {
  border: 1px solid var(--border);
  padding: 60px;
  text-align: center;
  position: relative;
  background: var(--bg);
}

/* Corner ornaments */
.cta-box::before,
.cta-box::after,
.cta-box .corner-bl,
.cta-box .corner-br {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--green);
  border-style: solid;
}

.cta-box::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.cta-box::after  { top: -1px; right: -1px; border-width: 1px 1px 0 0; }
.cta-box .corner-bl { bottom: -1px; left: -1px; border-width: 0 0 1px 1px; }
.cta-box .corner-br { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }

.cta-box h2 {
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  margin-bottom: 16px;
}

.cta-box p {
  font-size: 0.95rem;
  margin-bottom: 36px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
  padding: 140px 0 72px;
  border-bottom: 1px solid var(--border-dim);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% -20%, rgba(128, 189, 15, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.page-hero__label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--green);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.page-hero h1 { margin-bottom: 14px; }

.page-hero p {
  font-size: 0.98rem;
  max-width: 580px;
  color: var(--grey-hi);
}

/* ---------- Contact ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2px;
  background: var(--border-dim);
}

.contact-layout > * {
  background: var(--bg-card);
  padding: 48px;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--border-dim);
  margin-bottom: 2px;
  transition: var(--t-fast);
}

.contact-detail:hover {
  border-color: var(--border);
  background: var(--green-dim);
}

.contact-detail__icon {
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
  color: var(--green);
  font-family: var(--font-mono);
}

.contact-detail__lbl {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--grey);
  margin-bottom: 4px;
}

.contact-detail__val {
  font-size: 0.88rem;
  color: var(--white);
}

/* ---------- Form ---------- */
.form { display: flex; flex-direction: column; gap: 18px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }

.form-group { display: flex; flex-direction: column; gap: 7px; }

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--grey);
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg);
  border: 1px solid var(--border-dim);
  padding: 12px 14px;
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  outline: none;
  transition: var(--t-fast);
  width: 100%;
  border-radius: 0;
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--green);
  background: var(--green-dim);
  box-shadow: 0 0 0 1px var(--green);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--grey-lo);
  font-family: var(--font-mono);
}

.form-group textarea { resize: vertical; min-height: 100px; }

/* ---------- Prose ---------- */
.prose { max-width: 740px; margin: 0 auto; }

.prose h2 {
  font-size: 1.3rem;
  margin-top: 52px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-dim);
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--white);
}

.prose h3 {
  font-size: 0.9rem;
  font-family: var(--font-mono);
  font-weight: 600;
  margin-top: 28px;
  margin-bottom: 10px;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.prose p { margin-bottom: 18px; font-size: 0.92rem; }

.prose ul, .prose ol {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.prose li {
  font-size: 0.9rem;
  color: var(--grey-hi);
  padding-left: 22px;
  position: relative;
  line-height: 1.7;
}

.prose ul li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 0.8em;
}

.prose ol { counter-reset: item; }
.prose ol li { counter-increment: item; }
.prose ol li::before {
  content: counter(item, decimal-leading-zero);
  position: absolute;
  left: 0;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 0.7em;
}

.prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(0,229,255,0.3);
}

.prose a:hover { text-decoration-color: var(--cyan); }

.highlight-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 2px solid var(--green);
  padding: 20px 24px;
  margin: 28px 0;
}

.highlight-box p { margin: 0; font-size: 0.9rem; }

/* ---------- Skills page ---------- */
.skill-module {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 0;
  background: var(--border-dim);
  margin-bottom: 1px;
}

.skill-module__num {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border-right: 1px solid var(--border-dim);
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--green);
  letter-spacing: -0.05em;
  padding: 28px 0;
}

.skill-module__body {
  background: var(--bg-card);
  padding: 28px 32px;
  transition: var(--t-fast);
}

.skill-module:hover .skill-module__body {
  background: var(--bg-raised);
}

.skill-module:hover .skill-module__num {
  background: var(--green-dim);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border-dim);
  padding: 56px 0 28px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--white);
}

.footer__logo em {
  font-style: normal;
  color: var(--green);
}

.footer__tagline {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--grey);
  line-height: 1.7;
  letter-spacing: 0.02em;
}

.footer__col h4 {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--grey);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-dim);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer__links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--grey-hi);
  transition: var(--t-fast);
  letter-spacing: 0.02em;
}

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

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border-dim);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--grey);
  letter-spacing: 0.05em;
  flex-wrap: wrap;
  gap: 10px;
}

.footer__bottom a {
  color: var(--grey);
  transition: var(--t-fast);
}

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

/* ---------- Alert ---------- */
.alert {
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border: 1px solid;
}

.alert--success {
  border-color: rgba(128, 189, 15, 0.3);
  background: rgba(128, 189, 15, 0.05);
  color: var(--green);
}

/* ---------- Scroll animations ---------- */
[data-animate] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-animate].is-visible {
  opacity: 1;
  transform: none;
}

[data-stagger] > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-stagger].is-visible > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0s; }
[data-stagger].is-visible > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.07s; }
[data-stagger].is-visible > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.14s; }
[data-stagger].is-visible > *:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.21s; }
[data-stagger].is-visible > *:nth-child(5) { opacity: 1; transform: none; transition-delay: 0.28s; }
[data-stagger].is-visible > *:nth-child(6) { opacity: 1; transform: none; transition-delay: 0.35s; }
[data-stagger].is-visible > *:nth-child(7) { opacity: 1; transform: none; transition-delay: 0.42s; }
[data-stagger].is-visible > *:nth-child(8) { opacity: 1; transform: none; transition-delay: 0.49s; }

/* ---------- Use Case Cards ---------- */
.use-case-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-top: 2px solid var(--border);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: var(--t-fast);
  position: relative;
}

.use-case-card::before {
  content: '';
  position: absolute;
  top: -2px; left: 0;
  width: 0;
  height: 2px;
  background: var(--green);
  transition: width 0.3s ease;
}

.use-case-card:hover { background: var(--bg-raised); border-color: var(--border); }
.use-case-card:hover::before { width: 100%; }

.use-case-card__industry {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.use-case-card h3 { font-size: 0.95rem; margin: 0; }
.use-case-card p  { font-size: 0.83rem; line-height: 1.65; }

.use-case-card__outcome {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border-dim);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--green);
  letter-spacing: 0.04em;
}

/* ---------- Section header ---------- */
.section-header {
  margin-bottom: 48px;
}

.section-header h2 { margin-top: 10px; }

/* ---------- Missing utilities ---------- */
.section--dark {
  background: var(--bg);
  border-top: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim);
}

.cta-section {
  padding: var(--section-pad) 0;
  text-align: center;
  border-top: 1px solid var(--border-dim);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--green), transparent);
  opacity: 0.12;
  pointer-events: none;
}

.cta-section h2 { margin-bottom: 14px; }

.cta-section p {
  max-width: 520px;
  margin: 0 auto 32px;
  font-size: 0.95rem;
}

.text-gradient {
  background: linear-gradient(90deg, var(--green) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--green);
}

.feature-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--cyan);
  border: 1px solid rgba(0, 229, 255, 0.2);
  padding: 3px 9px;
  letter-spacing: 0.06em;
}

/* ---------- Responsive ---------- */
/* ---- Tablet (≤ 1024px) ---- */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero__right {
    border-top: 1px solid var(--border-dim);
    padding: 40px 28px 60px;
  }
  .hero__left {
    border-right: none;
    padding: 80px 28px 40px;
  }
  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  /* Compress nav links at tablet before hamburger kicks in */
  .nav__links a {
    padding: 6px 10px;
    font-size: 0.66rem;
  }
}

/* ---- Mobile (≤ 768px) ---- */
@media (max-width: 768px) {
  :root {
    --section-pad: 60px;
  }

  /* Nav — hamburger menu */
  .nav__links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(0, 0, 0, 0.98);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 8px 0 16px;
    z-index: 999;
  }

  .nav__links a {
    border-right: none;
    border-left: none;
    border-bottom: 1px solid var(--border-dim);
    padding: 13px 24px;
    font-size: 0.72rem;
  }

  .nav__links.open { display: flex; }

  /* Append CTA buttons inside mobile menu */
  .nav__links.open::after {
    content: '';
    display: block;
    height: 1px;
  }

  .nav__hamburger { display: flex; }

  /* Keep contact visible on mobile, hide login to save space */
  .nav__cta-wrap .btn--ghost { display: none; }

  /* Grids */
  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: 1fr; }

  /* Stats bar: 2 columns on mobile */
  .stats-bar__inner { grid-template-columns: repeat(2, 1fr); }

  /* Contact page */
  .contact-layout {
    grid-template-columns: 1fr;
    background: none;
    gap: 0;
  }
  .contact-layout > * {
    border: 1px solid var(--border-dim);
    margin-bottom: 1px;
    padding: 28px;
  }

  /* Form */
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer__inner { grid-template-columns: 1fr; gap: 24px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; gap: 8px; }

  /* CTA box */
  .cta-box { padding: 32px 20px; }

  /* Skills modules */
  .skill-module { grid-template-columns: 48px 1fr; }
  .skill-module__num { font-size: 1rem; padding: 20px 0; }
  .skill-module__body { padding: 20px; }

  /* Page hero */
  .page-hero { padding: 110px 0 48px; }

  /* CTA section */
  .cta-section { padding: 56px 0; }
  .cta-section p { padding: 0 8px; }

  /* Powered badge */
  .powered-badge {
    flex-direction: column;
    text-align: center;
    gap: 8px;
    padding: 18px 24px;
  }
}

/* ---- Small mobile (≤ 480px) ---- */
@media (max-width: 480px) {
  :root {
    --section-pad: 48px;
  }

  .container { padding: 0 16px; }

  /* Stats bar: single column on very small screens */
  .stats-bar__inner { grid-template-columns: 1fr; }

  /* Hero */
  .hero__left { padding: 88px 16px 32px; }
  .hero__right { padding: 28px 16px 40px; }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero__actions .btn { width: 100%; justify-content: center; }

  /* Footer columns stack tighter */
  .footer__inner { gap: 20px; }

  /* Arm rows wrap text */
  .arm-row__name { font-size: 0.65rem; }
  .arm-row__id { width: 40px; }

  /* Skill module tighter */
  .skill-module { grid-template-columns: 40px 1fr; }
  .skill-module__num { font-size: 0.85rem; }
}