:root {
  --bg: #080b14;
  --panel: rgba(17, 21, 34, 0.84);
  --line: rgba(151, 165, 255, 0.18);
  --line-strong: rgba(58, 207, 255, 0.28);
  --text: #f4f7ff;
  --muted: #8c9ab8;
  --cyan: #1dcfff;
  --blue: #3690ff;
  --violet: #8758ff;
  --green: #17e38b;
  --danger: #ff5757;
  --repel-tint: #7a76ff;
  --repel-glow: rgba(82, 132, 255, 0.42);
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.32);
  --radius-lg: 26px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: "Manrope", sans-serif;
  background: var(--bg);
  color: var(--text);
}

body::selection {
  background: rgba(54, 144, 255, 0.24);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

img,
video {
  display: block;
  max-width: 100%;
}

.page-shell {
  position: relative;
  isolation: isolate;
}

.video-layer {
  position: fixed;
  inset: 0;
  z-index: -3;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 10%, rgba(54, 144, 255, 0.14), transparent 26%),
    radial-gradient(circle at 82% 18%, rgba(135, 88, 255, 0.12), transparent 24%),
    linear-gradient(180deg, rgba(8, 11, 20, 0.06), rgba(8, 11, 20, 0.92));
}

.video-poster,
.background-video,
.video-poster img,
.video-scrim,
.noise,
.grid-overlay,
.particles {
  position: absolute;
  inset: 0;
}

.background-video,
.video-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.background-video {
  filter: saturate(1) brightness(0.3) contrast(1.06);
}

.video-scrim {
  background:
    linear-gradient(180deg, rgba(8, 11, 20, 0.1), rgba(8, 11, 20, 0.8)),
    radial-gradient(circle at center, rgba(8, 11, 20, 0.08), rgba(8, 11, 20, 0.62));
}

.grid-overlay {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 95%);
  opacity: 0.24;
}

.noise {
  background-image:
    radial-gradient(circle at 10% 20%, rgba(54, 144, 255, 0.08) 0 2px, transparent 3px),
    radial-gradient(circle at 70% 15%, rgba(135, 88, 255, 0.12) 0 1.5px, transparent 3px),
    radial-gradient(circle at 30% 80%, rgba(23, 227, 139, 0.1) 0 2px, transparent 3px);
  opacity: 0.65;
}

.particles span {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: rgba(61, 203, 255, 0.82);
  box-shadow: 0 0 16px rgba(61, 203, 255, 0.7);
  animation: floatParticle 10s linear infinite;
}

.particles span:nth-child(1) { top: 12%; left: 8%; animation-duration: 14s; }
.particles span:nth-child(2) { top: 18%; left: 72%; background: rgba(135, 88, 255, 0.8); box-shadow: 0 0 16px rgba(135, 88, 255, 0.55); animation-duration: 11s; }
.particles span:nth-child(3) { top: 45%; left: 22%; animation-duration: 12s; }
.particles span:nth-child(4) { top: 62%; left: 86%; background: rgba(23, 227, 139, 0.8); box-shadow: 0 0 16px rgba(23, 227, 139, 0.55); animation-duration: 15s; }
.particles span:nth-child(5) { top: 74%; left: 38%; animation-duration: 13s; }
.particles span:nth-child(6) { top: 82%; left: 12%; background: rgba(135, 88, 255, 0.8); box-shadow: 0 0 16px rgba(135, 88, 255, 0.55); animation-duration: 16s; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 0.95rem 1.2rem;
  z-index: 30;
  isolation: isolate;
  pointer-events: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(180deg, rgba(8, 11, 20, 0.88), rgba(8, 11, 20, 0.42));
  backdrop-filter: blur(18px);
}

.site-header > * {
  position: relative;
  z-index: 1;
  pointer-events: auto;
}

.brand {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--cyan);
}

.brand-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  filter: drop-shadow(0 0 16px rgba(54, 144, 255, 0.16));
}

.menu-toggle {
  display: none;
  position: relative;
  z-index: 2;
  place-items: center;
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: transform 0.22s ease, background 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  border-radius: 999px;
  background: var(--text);
  transform-origin: center;
  transition: transform 0.22s ease, opacity 0.18s ease, background 0.22s ease;
}

.menu-toggle:hover,
.menu-toggle:active {
  background: rgba(54, 144, 255, 0.14);
  border-color: rgba(54, 144, 255, 0.26);
  box-shadow: 0 10px 24px rgba(54, 144, 255, 0.18);
}

.menu-toggle:active {
  transform: scale(0.96);
}

.menu-toggle[aria-expanded="true"] {
  background: rgba(54, 144, 255, 0.16);
  border-color: rgba(54, 144, 255, 0.3);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  color: var(--muted);
}

.site-nav a:not(.nav-cta) {
  font-size: 0.95rem;
}

main {
  padding: 6.5rem 1rem 4rem;
}

.section {
  width: min(1200px, calc(100% - 1.5rem));
  margin: 0 auto;
  padding: 4.5rem 0;
}

.hero {
  min-height: 100vh;
  display: grid;
  align-content: center;
  gap: 2rem;
}

.hero-intro {
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow,
.kicker,
.mini-badge,
.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  padding: 0.6rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--muted);
  font-size: 0.92rem;
}

.display {
  margin: 1.3rem auto 1.2rem;
  max-width: 15ch;
  font-size: clamp(3.4rem, 6.2vw, 6rem);
  line-height: 1.01;
  letter-spacing: -0.065em;
  font-weight: 800;
  text-wrap: balance;
}

.gradient-ink {
  background: linear-gradient(90deg, var(--cyan), var(--blue) 55%, var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead,
.section-copy,
.metric-foot,
.service-item p,
.glass-card p,
.contact-meta,
.faq-item p,
.roi-head p,
.team-card p,
.roi-field span,
.roi-box span {
  color: var(--muted);
}

.lead {
  max-width: 62ch;
  margin: 0 auto;
  font-size: clamp(1.04rem, 1.5vw, 1.24rem);
  line-height: 1.8;
}

.hero-actions,
.hero-badges,
.section-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.hero-actions,
.hero-badges {
  justify-content: center;
}

.hero-actions {
  margin-top: 2rem;
}

.hero-badges {
  margin-top: 1.35rem;
}

.stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(76, 241, 166, 0.16);
  background: rgba(8, 15, 25, 0.56);
  color: #d9f4ff;
  font-size: 0.92rem;
}

.roi-shell {
  display: flex;
  justify-content: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0.95rem 1.45rem;
  border: 0;
  border-radius: 14px;
  font-weight: 800;
  color: #07101d;
  cursor: pointer;
  transition: transform 0.28s ease, box-shadow 0.28s ease, opacity 0.28s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary,
.nav-cta {
  background: linear-gradient(90deg, var(--cyan), var(--blue) 58%, var(--violet));
  box-shadow: 0 16px 40px rgba(62, 129, 255, 0.24);
}

.button-secondary {
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
}

.glass-card,
.service-item,
.contact-panel,
.faq-item,
.roi-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(11, 16, 27, 0.74), rgba(8, 11, 20, 0.52));
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(9px);
}

.roi-panel,
.service-item,
.step-card,
.case-card,
.security-card,
.contact-panel,
.team-card,
.insight-card {
  padding: 1.35rem;
}

.roi-panel {
  width: min(860px, 100%);
  border-color: var(--line-strong);
  background: linear-gradient(180deg, rgba(10, 16, 28, 0.78), rgba(8, 11, 20, 0.6));
}

.roi-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.2rem;
  text-align: center;
}

.roi-head h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.05em;
}

.roi-form {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.roi-field {
  display: grid;
  gap: 0.55rem;
}

.roi-field input {
  width: 100%;
  padding: 1rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  outline: none;
}

.roi-field input:focus {
  border-color: rgba(54, 144, 255, 0.38);
  box-shadow: 0 0 0 4px rgba(54, 144, 255, 0.12);
}

.roi-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.2rem 0;
}

.roi-box {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.025);
}

.roi-box strong {
  display: block;
  font-size: clamp(1.3rem, 2.1vw, 1.9rem);
  line-height: 1.15;
}

.roi-box.alert {
  border-color: rgba(255, 87, 87, 0.28);
  background: rgba(255, 87, 87, 0.08);
}

.roi-box.alert strong {
  color: var(--danger);
}

.roi-box.success {
  border-color: rgba(23, 227, 139, 0.24);
  background: rgba(23, 227, 139, 0.08);
}

.roi-box.success strong {
  color: var(--green);
}

.insight-strip {
  padding-top: 0;
}

.insight-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.metric-label {
  display: block;
  margin-bottom: 0.55rem;
  color: #d4e5ff;
  font-size: 0.92rem;
}

.insight-card strong {
  display: block;
  margin-bottom: 0.65rem;
  font-size: 1.2rem;
  line-height: 1.35;
}

.section-heading {
  max-width: 860px;
  margin: 0 auto 2rem;
  text-align: center;
}

.section-title {
  margin: 1rem auto 0.85rem;
  max-width: 18ch;
  font-size: clamp(2.1rem, 4.1vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.compact-title {
  max-width: 22ch;
}

.section-copy {
  max-width: 62ch;
  margin: 0 auto;
  line-height: 1.75;
}

.steps-grid,
.services-grid,
.security-grid,
.team-grid {
  display: grid;
  gap: 1rem;
}

.steps-grid,
.services-grid,
.team-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.security-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.steps-grid,
.services-grid,
.cases-grid {
  display: none;
}

.method-story,
.service-story,
.case-story {
  display: grid;
  gap: 1rem;
}

.method-story {
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  align-items: start;
}

.method-overview,
.case-feature {
  min-height: 100%;
}

.method-overview h3,
.case-feature h3 {
  margin: 0 0 0.9rem;
  font-size: clamp(1.5rem, 3vw, 2.35rem);
  line-height: 1.08;
}

.method-overview p,
.case-feature p {
  margin: 0;
  max-width: 42ch;
}

.method-timeline {
  position: relative;
  display: grid;
  gap: 0.9rem;
}

.method-timeline::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 0.6rem;
  bottom: 0.6rem;
  width: 1px;
  background: linear-gradient(180deg, rgba(54, 144, 255, 0.35), rgba(135, 88, 255, 0.18));
}

.timeline-step {
  position: relative;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.timeline-step .step-number {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  margin: 0.15rem 0 0;
  border-radius: 999px;
  background: rgba(54, 144, 255, 0.14);
  border: 1px solid rgba(54, 144, 255, 0.22);
  color: #cfe5ff;
  font-size: 0.76rem;
}

.service-story {
  gap: 1.15rem;
}

.service-band {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  gap: 1.2rem;
  align-items: center;
}

.service-band-copy h3 {
  margin-top: 0;
}

.service-points {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.service-points li {
  position: relative;
  padding-left: 1.1rem;
  color: #dbe8ff;
}

.service-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58rem;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--cyan), var(--violet));
  box-shadow: 0 0 12px rgba(54, 144, 255, 0.28);
}

.case-story {
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, 0.88fr);
  align-items: stretch;
}

.case-feature {
  display: grid;
  gap: 1.4rem;
  align-content: space-between;
}

.demo-stage {
  overflow: hidden;
}

.demo-video-shell {
  display: grid;
  place-items: center;
  min-height: 280px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 22px;
  background:
    radial-gradient(circle at 50% 35%, rgba(29, 207, 255, 0.18), transparent 30%),
    linear-gradient(180deg, rgba(18, 23, 39, 0.9), rgba(8, 11, 20, 0.96));
}

.demo-video-label {
  margin-top: 0.9rem;
  color: #d4e5ff;
  font-size: 0.95rem;
}

.case-feature-metrics {
  display: grid;
  gap: 0.6rem;
}

.case-feature-metrics strong {
  color: #dff6ff;
  font-size: 1.2rem;
}

.case-feature-metrics span {
  color: var(--muted);
}

.case-stack {
  display: grid;
  gap: 1rem;
}

.case-rail {
  padding: 1.2rem 1.25rem;
}

.demo-slot {
  min-height: 180px;
  align-content: end;
  background:
    linear-gradient(180deg, rgba(11, 16, 27, 0.58), rgba(8, 11, 20, 0.78)),
    radial-gradient(circle at top right, rgba(135, 88, 255, 0.14), transparent 32%);
}

.case-rail h3 {
  margin: 0 0 0.75rem;
  font-size: 1.22rem;
}

.step-card h3,
.service-item h3,
.case-copy h3,
.security-card h3,
.team-card h3 {
  margin: 0 0 0.8rem;
  font-size: 1.4rem;
  line-height: 1.15;
}

.step-number {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--violet);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.service-icon {
  display: inline-block;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  margin-bottom: 1rem;
  background: rgba(255, 255, 255, 0.07);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.service-icon.cyan { background: rgba(29, 207, 255, 0.12); }
.service-icon.blue { background: rgba(54, 144, 255, 0.14); }
.service-icon.violet { background: rgba(135, 88, 255, 0.14); }

.team-card {
  text-align: center;
}

.team-card strong {
  display: block;
  margin-bottom: 0.9rem;
  color: var(--cyan);
  font-weight: 700;
}

.team-avatar {
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  margin: 0 auto 1rem;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, rgba(54, 144, 255, 0.3), rgba(135, 88, 255, 0.24));
  color: #9fd7ff;
  font-size: 1.7rem;
  font-weight: 800;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.case-card {
  padding: 0;
  overflow: hidden;
}

.case-media {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 220px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at center, rgba(29, 207, 255, 0.11), transparent 35%),
    linear-gradient(180deg, rgba(20, 24, 38, 0.88), rgba(12, 15, 24, 0.98));
}

.demo-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.35rem 0.6rem;
  border: 1px solid rgba(23, 227, 139, 0.18);
  background: rgba(23, 227, 139, 0.12);
  color: #85ffc4;
  font-size: 0.74rem;
}

.play-button {
  width: 56px;
  height: 56px;
  border-radius: 999px;
  background:
    radial-gradient(circle at center, rgba(29, 207, 255, 0.24), rgba(29, 207, 255, 0.08));
  border: 1px solid rgba(29, 207, 255, 0.22);
  position: relative;
}

.play-button::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  border-left: 13px solid var(--cyan);
  transform: translate(-35%, -50%);
}

.case-copy {
  padding: 1.35rem;
}

.case-metrics {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
  color: #b585ff;
  font-size: 0.88rem;
}

.case-metrics span:first-child {
  color: #64ffb7;
}

.faq-list {
  display: grid;
  gap: 0.8rem;
}

.faq-item {
  padding: 0;
  overflow: hidden;
}

.faq-item summary {
  padding: 1.25rem 1.35rem;
  list-style: none;
  cursor: pointer;
  font-weight: 700;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  margin: 0;
  padding: 0 1.35rem 1.25rem;
  line-height: 1.75;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  padding: 1.1rem;
}

.contact-form {
  display: grid;
  gap: 0.9rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 1rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  outline: none;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #6d7da0;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(54, 144, 255, 0.38);
  box-shadow: 0 0 0 4px rgba(54, 144, 255, 0.12);
}

.contact-meta {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 0.75rem 0 0.2rem;
  font-size: 0.88rem;
}

.whatsapp-fab {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 999px;
  background: linear-gradient(180deg, #1ae67d, #0fcf6a);
  box-shadow: 0 18px 40px rgba(17, 230, 125, 0.28);
  z-index: 30;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.whatsapp-fab svg {
  width: 30px;
  height: 30px;
  fill: #08110c;
}

.whatsapp-fab:hover,
.whatsapp-fab:active,
.button:active,
.site-nav a:active,
.mobile-menu-links a:active,
.faq-item summary:active {
  transform: scale(0.97);
}

.button:active,
.site-nav a:active,
.mobile-menu-links a:active,
.faq-item summary:active,
.whatsapp-fab:active {
  filter: brightness(1.05);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(3, 6, 13, 0.7);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  overflow: hidden;
  transition: opacity 0.28s ease;
  z-index: 40;
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-menu-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(88vw, 360px);
  max-width: 100%;
  height: 100%;
  padding: 1.1rem;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(15, 19, 31, 0.98), rgba(8, 11, 20, 0.98));
  transform: translateX(100%);
  overflow-y: auto;
  transition: transform 0.28s ease;
}

.mobile-menu.is-open .mobile-menu-panel {
  transform: translateX(0);
}

.mobile-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.4rem;
}

.mobile-menu-close {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 1.6rem;
  cursor: pointer;
}

.mobile-menu-links {
  display: grid;
  gap: 0.8rem;
}

.mobile-menu-links a:not(.button) {
  padding: 1rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  font-weight: 700;
}

.char {
  display: inline-block;
  color: inherit;
  text-shadow: 0 0 0 rgba(0, 0, 0, 0);
  will-change: transform;
}

.word-gap {
  display: inline-block;
  width: 0.35em;
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
}

.materialize-card {
  opacity: 0;
  transform: translateY(32px);
  transform-origin: center bottom;
  will-change: transform, opacity;
}

@keyframes floatParticle {
  0% { transform: translate3d(0, 0, 0); opacity: 0.2; }
  20% { opacity: 0.9; }
  50% { transform: translate3d(18px, -26px, 0); opacity: 0.55; }
  100% { transform: translate3d(-12px, -52px, 0); opacity: 0.15; }
}

@media (max-width: 1100px) {
  .method-story,
  .case-story,
  .service-band {
    grid-template-columns: 1fr;
  }

  .steps-grid,
  .services-grid,
  .team-grid,
  .cases-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .site-nav {
    display: none;
  }

  .menu-toggle {
    display: grid;
  }

  .roi-form,
  .roi-results,
  .insight-card,
  .steps-grid,
  .services-grid,
  .security-grid,
  .team-grid,
  .cases-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .display,
  .section-title {
    max-width: 100%;
  }

  .timeline-step {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 0.85rem;
  }

  .method-timeline::before {
    left: 0.8rem;
  }

  .glass-card,
  .service-item,
  .contact-panel,
  .faq-item,
  .roi-panel {
    backdrop-filter: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
    background: linear-gradient(180deg, rgba(10, 14, 23, 0.68), rgba(8, 11, 20, 0.44));
  }

  .roi-panel {
    background: linear-gradient(180deg, rgba(10, 16, 28, 0.74), rgba(8, 11, 20, 0.5));
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 0.8rem 0.85rem;
  }

  .brand {
    font-size: 1.1rem;
    gap: 0.55rem;
  }

  .brand-logo {
    width: 38px;
    height: 38px;
  }

  .menu-toggle {
    width: 42px;
    height: 42px;
    border-radius: 12px;
  }

  main {
    padding: 6rem 0.75rem 3rem;
  }

  .section {
    width: min(100%, calc(100% - 0.5rem));
    padding: 3.5rem 0;
  }

  .display {
    max-width: 12.5ch;
    font-size: clamp(2.7rem, 11vw, 3.8rem);
    line-height: 1.02;
    letter-spacing: -0.058em;
  }

  .section-title {
    font-size: clamp(1.8rem, 9vw, 2.5rem);
  }

  .method-overview h3,
  .case-feature h3 {
    font-size: 1.65rem;
  }

  .lead {
    font-size: 1rem;
    line-height: 1.7;
  }

  .hero {
    min-height: auto;
    padding-top: 1rem;
  }

  .hero-actions,
  .hero-badges {
    gap: 0.75rem;
  }

  .hero-actions .button,
  .mobile-menu-links .button {
    width: 100%;
    justify-content: center;
  }

  .stat-pill {
    width: 100%;
    justify-content: center;
  }

  .roi-panel,
  .insight-card,
  .step-card,
  .service-item,
  .method-overview,
  .timeline-step,
  .case-feature,
  .case-rail,
  .team-card,
  .security-card,
  .case-copy,
  .contact-panel {
    padding: 1rem;
  }

  .service-band,
  .case-story,
  .method-story {
    gap: 0.85rem;
  }

  .service-points {
    gap: 0.55rem;
  }

  .case-feature {
    gap: 1rem;
  }

  .demo-video-shell {
    min-height: 220px;
  }

  .roi-head {
    margin-bottom: 1rem;
  }

  .roi-box strong {
    font-size: 1.55rem;
  }

  .mobile-menu-panel {
    width: min(100vw, 360px);
    padding: 1rem;
  }

  .mobile-menu-head {
    margin-bottom: 1rem;
  }

  .mobile-menu-head .repel-text {
    font-size: 0.98rem;
  }

  .mobile-menu-links a:not(.button) {
    padding: 0.95rem 1rem;
    font-size: 1.05rem;
  }

  .button,
  .nav-cta {
    width: 100%;
  }

  .whatsapp-fab {
    width: 56px;
    height: 56px;
    right: 0.75rem;
    bottom: 0.75rem;
  }
}

@media (hover: none), (pointer: coarse) {
  .particles {
    display: none;
  }

  .grid-overlay {
    opacity: 0.14;
  }

  .reveal,
  .materialize-card {
    will-change: opacity, transform;
  }
}

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

  .button,
  .char,
  .reveal,
  .materialize-card {
    transition: none;
  }
}