/* ============================================================
   PumpLogic — styles.css
   Theme: Dark (black bg) + Forest Green + White
   ============================================================ */

/* ── Custom Properties ───────────────────────────────────── */
:root {
  --green:        #4d8b4d;
  --green-mid:    #5da05d;
  --green-light:  #7fc47f;
  --green-neon:   #a0ff80;
  --green-dim:    #2d5a2d;
  --green-glow:   rgba(77, 139, 77, 0.35);
  --green-glow-s: rgba(77, 139, 77, 0.15);

  --bg:           #121212;
  --bg-alt:       #161616;
  --bg-card:      #141714;
  --bg-card-hov:  #181f18;
  --border:       rgba(77, 139, 77, 0.18);
  --border-hov:   rgba(77, 139, 77, 0.45);

  --white:        #ffffff;
  --off-white:    #e8ede8;
  --muted:        #8a9e8a;
  --text:         #d4e4d4;

  --radius-sm:    6px;
  --radius:       12px;
  --radius-lg:    20px;
  --radius-xl:    28px;

  --shadow:       0 4px 24px rgba(0, 0, 0, 0.6);
  --shadow-green: 0 0 32px var(--green-glow), 0 0 64px rgba(77,139,77,0.12);

  --transition:   0.25s ease;
  --nav-h:        68px;

  --container:    1180px;
  --gap:          clamp(1rem, 3vw, 2rem);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scrollbar-color: var(--green-dim) var(--bg);
  scrollbar-width: thin;
}

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── Utility ─────────────────────────────────────────────── */
.container {
  width: min(100%, var(--container));
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 3rem);
}

.text-green   { color: var(--green-light); }
.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  padding: 0.3em 0.9em;
  border: 1px solid var(--border);
  border-radius: 100px;
  margin-bottom: 1.25rem;
}

/* ── Scroll-reveal ───────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── Circuit-board background pattern ───────────────────── */
.circuit-bg {
  background-image:
    radial-gradient(circle at 1px 1px, rgba(77,139,77,0.08) 1px, transparent 0);
  background-size: 28px 28px;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(10, 10, 10, 0.95);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.nav-wordmark {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}
.nav-pump {
  color: var(--white);
}
.nav-logic {
  color: var(--green-light);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2.2rem);
}
.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.03em;
  transition: color var(--transition);
  position: relative;
  padding-block: 0.25rem;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 1px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav-link:hover,
.nav-link:focus-visible {
  color: var(--white);
}
.nav-link:hover::after { transform: scaleX(1); }

.nav-cta {
  color: var(--green-light) !important;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0.4em 1.1em;
  font-weight: 600;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.nav-cta:hover {
  background: var(--green-glow-s);
  border-color: var(--green);
}
.nav-cta::after { display: none; }

/* Hamburger */
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 22px; height: 2px;
  background: var(--off-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger { position: relative; }
.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}
.hamburger::before { top: -6px; }
.hamburger::after  { top:  6px; }

.nav-toggle[aria-expanded="true"] .hamburger { background: transparent; }
.nav-toggle[aria-expanded="true"] .hamburger::before { transform: rotate(45deg) translate(4px, 4px); }
.nav-toggle[aria-expanded="true"] .hamburger::after  { transform: rotate(-45deg) translate(4px, -4px); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  border-radius: 100px;
  padding: 0.7em 1.7em;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 2px solid var(--green-light);
  outline-offset: 3px;
}
.btn-icon { width: 1em; height: 1em; flex-shrink: 0; }

.btn-primary {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 0 0 0 var(--green-glow);
}
.btn-primary:hover {
  background: var(--green-mid);
  box-shadow: var(--shadow-green);
  transform: translateY(-1px);
}

.btn-secondary {
  border: 1.5px solid var(--green);
  color: var(--green-light);
  background: transparent;
}
.btn-secondary:hover {
  background: var(--green-glow-s);
  border-color: var(--green-light);
  box-shadow: 0 0 16px var(--green-glow);
}

.btn-ghost {
  border: 1.5px solid var(--border);
  color: var(--muted);
  background: transparent;
}
.btn-ghost:hover {
  border-color: rgba(255,255,255,0.25);
  color: var(--white);
}

.btn-lg  { padding: 0.85em 2.1em; font-size: 1.05rem; }
.btn-xl  { padding: 1em 2.8em;   font-size: 1.15rem; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-h);
  text-align: center;
}

/* Dot-grid background */
.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(77,139,77,0.07) 1px, transparent 0);
  background-size: 32px 32px;
  pointer-events: none;
}

/* Radial glow behind the logo */
.hero::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: min(700px, 90vw);
  height: min(700px, 90vw);
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(77,139,77,0.12) 0%, transparent 65%);
  pointer-events: none;
}

/* Hero logo image (landscape 1376×768) */
.hero-leaf-glow {
  width: min(560px, 80vw);
  pointer-events: none;
  margin-bottom: 1.5rem;
}
.hero-leaf-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

/* Hero text content */
.hero-content {
  position: relative;
  z-index: 2;
  padding-bottom: 2rem;
}

/* Wordmark hidden — logo image already contains PUMPLOGIC */
.hero-wordmark { display: none; }

.hero-heading {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.12;
  color: var(--white);
  margin-bottom: 1.2rem;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--muted);
  max-width: 540px;
  margin-inline: auto;
  margin-bottom: 2.2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-scroll-hint span {
  display: block;
  width: 1.5px;
  height: 50px;
  background: linear-gradient(to bottom, transparent, var(--green));
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50%  { opacity: 1; }
  100% { opacity: 0; transform: scaleY(1); transform-origin: top; }
}

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee-wrap {
  overflow: hidden;
  background: var(--green-dim);
  border-block: 1px solid var(--border);
  padding-block: 0.75rem;
  user-select: none;
}
.marquee-track {
  display: flex;
  gap: 2rem;
  width: max-content;
  animation: marquee-scroll 28s linear infinite;
}
.marquee-text {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green-light);
  white-space: nowrap;
}
.marquee-dot {
  color: var(--green);
  font-size: 0.5rem;
  align-self: center;
}
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* ============================================================
   SECTIONS — shared
   ============================================================ */
.section {
  padding-block: clamp(4rem, 8vw, 7rem);
}
.section-alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--border);
}
.section-header {
  text-align: center;
  max-width: 620px;
  margin-inline: auto;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section-heading {
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.18;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-top: 0.25rem;
}

.body-lg {
  font-size: 1.1rem;
  color: var(--off-white);
  line-height: 1.7;
  margin-bottom: 1rem;
}
.body-text {
  font-size: 0.97rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.about-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}
.about-text .section-heading { margin-bottom: 1.5rem; text-align: left; }
.about-text .btn { margin-top: 1.5rem; }

.about-visual { display: flex; flex-direction: column; gap: 1.5rem; }

.about-img-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.about-img { width: 100%; border-radius: var(--radius-lg); }
.about-img-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(77,139,77,0.12) 100%);
  pointer-events: none;
}

.about-stat-row {
  display: flex;
  gap: 1rem;
}
.stat-pill {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.stat-pill:hover {
  border-color: var(--green);
  box-shadow: 0 0 16px var(--green-glow-s);
}
.stat-num {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
}
.stat-label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ============================================================
   FEATURES
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.2rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition), background var(--transition);
}
.feature-card:hover {
  border-color: var(--green);
  background: var(--bg-card-hov);
  box-shadow: 0 0 24px var(--green-glow-s);
  transform: translateY(-3px);
}

.feature-icon {
  width: 48px; height: 48px;
  background: rgba(77, 139, 77, 0.1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), border-color var(--transition);
}
.feature-icon svg { width: 22px; height: 22px; stroke: var(--green-light); }
.feature-card:hover .feature-icon {
  background: rgba(77, 139, 77, 0.2);
  border-color: var(--green);
}

.feature-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
}
.feature-desc {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.steps-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: 3rem;
}

.step-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  align-items: flex-start;
  position: relative;
  padding-bottom: 2.5rem;
}

.step-number {
  font-size: 2.4rem;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--green-dim);
  line-height: 1;
  padding-top: 0.1rem;
  flex-shrink: 0;
  text-align: center;
  transition: color var(--transition), -webkit-text-stroke var(--transition);
}
.step-item.visible .step-number {
  -webkit-text-stroke-color: var(--green);
}

.step-content { padding-top: 0.1rem; }
.step-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.5rem;
}
.step-desc {
  font-size: 0.93rem;
  color: var(--muted);
  line-height: 1.75;
}

/* Vertical connector line */
.step-connector {
  position: absolute;
  top: 2.6rem;
  left: 39px;
  width: 1px;
  bottom: 0;
  background: linear-gradient(to bottom, var(--green-dim), transparent);
}

.hiw-cta { text-align: center; }

/* ============================================================
   USE CASES
   ============================================================ */
.usecases-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.25rem;
}

/* Featured card spans more columns */
.usecase-featured {
  grid-column: span 7;
}
.usecases-grid .usecase-card:not(.usecase-featured) {
  grid-column: span 5;
}
.usecases-grid .usecase-card:nth-child(3),
.usecases-grid .usecase-card:nth-child(4),
.usecases-grid .usecase-card:nth-child(5) {
  grid-column: span 4;
}

.usecase-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2rem);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.usecase-card:hover {
  border-color: var(--green);
  box-shadow: 0 0 28px var(--green-glow-s);
  transform: translateY(-2px);
}

/* Featured card extras */
.usecase-featured {
  border-color: var(--green-dim);
  background: linear-gradient(135deg, #0d150d 0%, #101a10 100%);
}
.usecase-featured:hover {
  border-color: var(--green);
  box-shadow: 0 0 40px var(--green-glow);
}

.usecase-leaf-bg {
  position: absolute;
  bottom: -20px; right: -20px;
  width: 280px; height: 280px;
  pointer-events: none;
}
.usecase-leaf-bg svg { width: 100%; height: 100%; }

.usecase-featured-inner { position: relative; z-index: 1; }

.usecase-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green-light);
  background: rgba(77, 139, 77, 0.15);
  border: 1px solid var(--green-dim);
  border-radius: 100px;
  padding: 0.25em 0.85em;
  margin-bottom: 1rem;
}

.usecase-icon {
  width: 44px; height: 44px;
  background: rgba(77, 139, 77, 0.08);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.usecase-icon svg { width: 20px; height: 20px; stroke: var(--green-light); }

.usecase-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
}
.usecase-featured .usecase-title { font-size: 1.4rem; }

.usecase-desc {
  font-size: 0.91rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}
.usecase-featured .usecase-desc { font-size: 0.97rem; }

.usecase-points {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.usecase-points li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.89rem;
  color: var(--off-white);
}
.usecase-points li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}

/* ============================================================
   DEMO CTA
   ============================================================ */
.demo-cta-section {
  position: relative;
  overflow: hidden;
  text-align: center;
}

.demo-cta-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 50%, rgba(77,139,77,0.12) 0%, transparent 70%),
    radial-gradient(circle at 1px 1px, rgba(77,139,77,0.05) 1px, transparent 0);
  background-size: auto, 28px 28px;
  pointer-events: none;
}

.demo-cta-inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin-inline: auto;
}

.demo-leaf-icon {
  margin-inline: auto;
  margin-bottom: 2rem;
  width: min(340px, 70vw);
  filter: drop-shadow(0 0 20px rgba(80,200,80,0.4));
}
.demo-leaf-icon img {
  width: 100%;
  border-radius: var(--radius-lg);
}

.demo-cta-heading {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
}
.demo-cta-sub {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 480px;
  margin-inline: auto;
}
.demo-note {
  margin-top: 1.2rem;
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #060806;
  border-top: 1px solid var(--border);
  padding-block: 3rem 2rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 2rem;
  align-items: start;
}

.footer-brand { grid-row: 1; grid-column: 1; }
.footer-logo {
  height: 44px;
  width: auto;
  margin-bottom: 0.75rem;
  border-radius: 4px;
}
.footer-tagline {
  font-size: 0.87rem;
  color: var(--muted);
  max-width: 300px;
  line-height: 1.6;
}

.footer-nav { grid-row: 1; grid-column: 2; align-self: center; }
.footer-nav ul {
  display: flex;
  gap: 1.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.footer-nav a {
  font-size: 0.87rem;
  color: var(--muted);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--green-light); }

.footer-bottom {
  grid-row: 2;
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.footer-copy {
  font-size: 0.8rem;
  color: #4a5a4a;
}
.footer-circuit svg { width: 120px; height: 20px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .nav-menu { gap: 0.75rem; }
  .nav-link { font-size: 0.82rem; }
  .nav-cta { padding: 0.35em 0.9em; }

  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-text .section-heading { text-align: center; }
  .about-text { align-items: center; text-align: center; }

  .usecases-grid {
    grid-template-columns: 1fr;
  }
  .usecase-featured,
  .usecases-grid .usecase-card:not(.usecase-featured),
  .usecases-grid .usecase-card:nth-child(3),
  .usecases-grid .usecase-card:nth-child(4),
  .usecases-grid .usecase-card:nth-child(5) {
    grid-column: span 1;
  }
}

@media (max-width: 768px) {
  :root { --nav-h: 60px; }

  .nav-toggle { display: flex; }

  .nav-menu {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(8, 12, 8, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    visibility: hidden;
    transition: transform 0.3s ease, visibility 0.3s ease;
    z-index: 99;
  }
  .nav-menu.open { transform: translateY(0); visibility: visible; }

  .nav-link {
    padding: 0.9rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 1rem;
  }
  .nav-link::after { display: none; }
  .nav-link:hover { background: rgba(77,139,77,0.1); }
  .nav-cta { text-align: center; margin-top: 0.5rem; }

  .hero-leaf-glow { width: min(360px, 88vw); }
  .hero-content { padding-top: min(220px, 56vw); }

  .hero-wordmark { font-size: 0.9rem; }

  .features-grid { grid-template-columns: 1fr; }

  .step-item { grid-template-columns: 60px 1fr; gap: 1rem; }
  .step-number { font-size: 1.8rem; }
  .step-connector { left: 29px; }

  .footer-inner { grid-template-columns: 1fr; }
  .footer-nav { grid-row: auto; grid-column: 1; }
  .footer-nav ul { justify-content: flex-start; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero-heading { font-size: 1.9rem; }
  .hero-sub { font-size: 0.95rem; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .about-stat-row { flex-direction: column; }

  .demo-cta-section .btn-xl { width: 100%; justify-content: center; }
}

/* ── Focus styles for accessibility ─────────────────────── */
:focus-visible {
  outline: 2px solid var(--green-light);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ── Reduced motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .hero-leaf-glow { animation: none; }
  .hero::before    { animation: none; }
  .hero-scroll-hint { display: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}