:root {
  --black: #121212;
  --panel: #303030;
  --panel-soft: #1c1c1c;
  --green: #00c86f;
  --green-bright: #1fe28a;
  --text: #f5f5f5;
  --text-muted: #a3a3a3;
  --border: rgba(255, 255, 255, 0.1);

  --font: "Inter", "Segoe UI", sans-serif;
  --font-display: "Space Grotesk", var(--font);
  --container-width: 1360px;
  --ease: cubic-bezier(0.16, 0.84, 0.44, 1);
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

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

/* Scroll-triggered reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { transition: none; }
}

/* Scroll progress bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--green), var(--green-bright));
  z-index: 1000;
  transition: width 0.1s linear;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 90px 0; position: relative; }
.section-alt { background: var(--panel-soft); }

.section-branded {
  position: relative;
  overflow: hidden;
  background: #0d0d0d;
}

.section-branded > .container { position: relative; z-index: 1; }

.eyebrow {
  display: inline-block;
  color: var(--green);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.01em; }

h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  max-width: 640px;
  margin-bottom: 16px;
}

.lead {
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 20px;
}

.text-accent { color: var(--green); }

.section-note {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 32px;
}

/* Buttons */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.25s ease;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  left: -60%;
  width: 40%;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-20deg);
  transition: left 0.7s ease;
  z-index: 1;
}

.btn:hover::before { left: 120%; }

.btn-lg { padding: 14px 30px; }

.btn-primary {
  background: var(--green);
  color: #06210f;
}

.btn-primary:hover {
  background: var(--green-bright);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px -10px rgba(0, 200, 111, 0.6);
}

.btn-ghost {
  border-color: var(--border);
  background: transparent;
  color: var(--text);
}

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

.btn-block { width: 100%; margin-top: 8px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(18, 18, 18, 0.6);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, padding 0.3s ease;
}

.site-header.scrolled {
  background: rgba(18, 18, 18, 0.9);
  border-bottom-color: var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
  transition: padding 0.3s ease;
}

.site-header.scrolled .nav {
  padding: 10px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
}

.logo svg { width: 22px; height: 22px; color: var(--green); }

.nav-links {
  display: flex;
  gap: 26px;
  list-style: none;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.nav-links a {
  position: relative;
  padding-bottom: 4px;
  transition: color 0.2s ease;
}

.nav-links a.nav-accent { color: var(--green-bright); font-weight: 600; }

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--green);
  transition: width 0.25s var(--ease);
}

.nav-links a:hover,
.nav-links a.active { color: var(--text); }

.nav-links a.nav-accent:hover,
.nav-links a.nav-accent.active { color: var(--green-bright); }

.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-actions { display: flex; gap: 10px; }

/* Hero */
.hero {
  position: relative;
  padding: 110px 0 70px;
  overflow: hidden;
  background: #0d0d0d;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  animation: float 14s ease-in-out infinite;
}

.blob-1 {
  width: 420px;
  height: 420px;
  top: -160px;
  left: -100px;
  background: var(--green);
}

.blob-2 {
  width: 360px;
  height: 360px;
  bottom: -180px;
  right: -80px;
  background: var(--green-bright);
  animation-delay: -7s;
  animation-duration: 17s;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 30% 20%, black, transparent 70%);
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.08); }
}

@media (prefers-reduced-motion: reduce) {
  .blob { animation: none; }
}

.hero > .container,
.section-branded > .container { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.text-shine {
  background: linear-gradient(90deg, var(--green) 20%, var(--green-bright) 40%, var(--green) 60%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shine 5s linear infinite;
}

@keyframes shine {
  to { background-position: -200% center; }
}

@media (prefers-reduced-motion: reduce) {
  .text-shine { animation: none; }
}

.pill {
  display: inline-block;
  background: rgba(0, 200, 111, 0.12);
  color: var(--green-bright);
  border: 1px solid rgba(0, 200, 111, 0.3);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.82rem;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2rem, 3.6vw, 2.8rem);
  margin: 0 0 18px;
}

.hero-content p {
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 0 30px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.8rem;
  max-width: 480px;
}

.info-icon { color: var(--text-muted); flex-shrink: 0; }

/* Hero visual panel */
.hero-visual {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
}

.hero-graphic {
  width: 100%;
  height: auto;
  margin-bottom: 20px;
}

.graphic-dot {
  animation: dot-pulse 2.4s ease-in-out infinite;
  transform-origin: center;
  transform-box: fill-box;
}

.dot-2 { animation-delay: -1.2s; }

.graphic-ambient {
  animation: dot-float 5s ease-in-out infinite;
  transform-box: fill-box;
  transform-origin: center;
}

@keyframes dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

@keyframes dot-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@media (prefers-reduced-motion: reduce) {
  .graphic-dot, .graphic-ambient { animation: none; }
}

.flow-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.tag {
  background: rgba(0, 200, 111, 0.1);
  border: 1px solid rgba(0, 200, 111, 0.3);
  color: var(--green-bright);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
}

/* Hero stats row */
.hero-stats-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 48px;
}

.hero-stat {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-stat-icon {
  color: var(--green);
  font-size: 0.7rem;
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.step {
  border-top: 2px solid var(--green);
  padding-top: 18px;
}

.step-number {
  display: block;
  color: var(--green);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.step p { color: var(--text-muted); font-size: 0.92rem; margin-top: 8px; }

/* Simulator */
.sim-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 20px 0 0;
}

.sim-highlights li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.check-icon {
  color: var(--green);
  font-weight: 700;
}

.simulator {
  max-width: 620px;
  margin: 40px auto 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
}

.simulator-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.simulator-tabs {
  display: inline-flex;
  background: var(--panel-soft);
  border-radius: 999px;
  padding: 4px;
}

.sim-tab {
  padding: 9px 20px;
  background: transparent;
  border: none;
  border-radius: 999px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
}

.sim-tab.active {
  color: #06210f;
  background: var(--green);
}

.sim-demo-badge {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-size: 0.78rem;
  padding: 6px 14px;
  border-radius: 999px;
}

.simulator-body { padding: 24px; }

.sim-row-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 16px;
}

.sim-field label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.sim-field select,
.sim-input {
  width: 100%;
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 0.98rem;
}

.sim-field select {
  padding: 12px 14px;
  appearance: none;
  cursor: pointer;
}

.sim-input {
  display: flex;
  align-items: center;
  padding: 0 14px;
}

.sim-input span {
  color: var(--text-muted);
  margin-right: 6px;
}

.sim-input input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  padding: 12px 0;
  font-size: 0.98rem;
}

.sim-note {
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-top: 8px;
}

.sim-result {
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}

.sim-result-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.sim-result-row strong { color: var(--text); }

.sim-total {
  border-top: 1px solid var(--border);
  margin-top: 4px;
  padding-top: 12px;
}

.sim-total strong { color: var(--green-bright); font-size: 1.05rem; }

.sim-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.sim-updated {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sim-updated svg { width: 14px; height: 14px; }

.sim-countdown-badge {
  display: inline-block;
  background: rgba(0, 200, 111, 0.12);
  color: var(--green-bright);
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  margin-left: 4px;
}

.sim-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.78rem;
  max-width: 620px;
  margin: 28px auto 0;
}

/* Feature cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.feature-card {
  position: relative;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px 22px;
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.3s var(--ease), box-shadow 0.3s ease;
  --mx: 50%;
  --my: 50%;
}

.feature-card-branded {
  background: rgba(255, 255, 255, 0.04);
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(280px circle at var(--mx) var(--my), rgba(0, 200, 111, 0.16), transparent 60%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.feature-card:hover {
  border-color: var(--green);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -20px rgba(0, 200, 111, 0.35);
}

.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 40px;
  height: 40px;
  color: var(--green);
  margin-bottom: 16px;
  transition: transform 0.35s var(--ease);
}

.feature-card:hover .feature-icon {
  transform: scale(1.15) rotate(-6deg);
}

.feature-icon svg { width: 100%; height: 100%; }

.feature-card h3 { font-size: 1.02rem; margin-bottom: 8px; }
.feature-card p { color: var(--text-muted); font-size: 0.88rem; }

.security-note {
  margin-top: 28px;
  color: var(--text-muted);
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
}

/* Testimonials */
.testimonial-wrap {
  margin-top: 40px;
}

.testimonial-page {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.testimonial-page[hidden] { display: none; }

.testimonial-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}

.testimonial-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 14px;
}

.testimonial-stars {
  color: var(--green);
  letter-spacing: 2px;
  font-size: 0.85rem;
}

.quote-icon {
  font-family: Georgia, serif;
  font-size: 2rem;
  line-height: 1;
  color: var(--border);
}

.testimonial-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 22px;
  color: var(--text);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 200, 111, 0.15);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.92rem;
}

.testimonial-author span {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.testimonial-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
}

.carousel-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

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

/* FAQ */
.faq-list {
  max-width: 720px;
  margin-top: 32px;
  border-top: 1px solid var(--border);
}

.faq-item { border-bottom: 1px solid var(--border); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 20px 0;
  cursor: pointer;
  text-align: left;
}

.faq-icon {
  flex-shrink: 0;
  color: var(--green);
  font-size: 1.3rem;
  line-height: 1;
  transition: transform 0.25s ease;
}

.faq-item.open .faq-icon { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s var(--ease);
}

.faq-answer p {
  color: var(--text-muted);
  padding-bottom: 20px;
  font-size: 0.92rem;
  max-width: 600px;
}

/* CTA */
.cta-outer { padding: 90px 0; }

.cta-card {
  position: relative;
  overflow: hidden;
  text-align: center;
  background: #0d0d0d;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 64px 32px;
}

.cta-card .hero-bg .blob-1 {
  width: 480px;
  height: 480px;
  top: auto;
  bottom: -280px;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.3;
}

.cta-content { position: relative; z-index: 1; }
.cta-content h2 { margin: 0 auto 14px; }
.cta-content p { color: var(--text-muted); max-width: 480px; margin: 0 auto 30px; }
.cta-content .hero-actions { justify-content: center; }
.cta-content .disclaimer { margin: 8px auto 0; justify-content: center; }

/* Footer */
.site-footer {
  position: relative;
  overflow: hidden;
  background: #0d0d0d;
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.site-footer .hero-bg .blob-1 {
  width: 420px;
  height: 420px;
  top: auto;
  bottom: -220px;
  left: -120px;
  opacity: 0.25;
}

.site-footer > .container { position: relative; z-index: 1; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 32px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-top: 16px;
  max-width: 320px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 12px;
  transition: color 0.2s ease;
}

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

.footer-legal {
  border-top: 1px solid var(--border);
  padding-top: 28px;
}

.footer-legal p {
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-bottom: 10px;
  max-width: 900px;
}

.footer-copyright { margin-bottom: 0; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 200;
}

.modal-overlay.open { display: flex; }

.modal {
  position: relative;
  width: 100%;
  max-width: 400px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}

.modal h3 { font-size: 1.3rem; margin-bottom: 8px; }

.modal-sub {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 22px;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover { color: var(--text); }

.modal form label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.modal form input,
.modal form textarea {
  width: 100%;
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 0.95rem;
  font-family: var(--font);
  resize: vertical;
}

.modal form input:focus,
.modal form textarea:focus {
  outline: none;
  border-color: var(--green);
}

.modal-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(0, 200, 111, 0.15);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin: 0 auto 18px;
}

.confirm-summary {
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 20px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.confirm-summary div {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
}

.confirm-summary strong { color: var(--text); }

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--green);
  color: #06210f;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s, box-shadow 0.3s ease;
  z-index: 90;
  box-shadow: 0 8px 24px -8px rgba(0, 200, 111, 0.6);
}

.back-to-top svg { width: 20px; height: 20px; }

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px -8px rgba(0, 200, 111, 0.75);
}

/* Responsive */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .testimonial-page { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-content p { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .disclaimer { margin-left: auto; margin-right: auto; justify-content: center; }
  .hero-visual { max-width: 420px; margin: 0 auto; }
  .sim-row-grid { grid-template-columns: 1fr; }
  .simulator-head { justify-content: center; text-align: center; }
}

@media (max-width: 640px) {
  .section, .cta-outer { padding: 60px 0; }
  .hero { padding: 90px 0 60px; }
  .cards-grid { grid-template-columns: 1fr; }
  .nav-actions .btn-ghost { display: none; }
  .back-to-top { right: 18px; bottom: 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .cta-card { padding: 40px 24px; }
}