:root {
  --primary: #3f86ef;
  --primary-hover: #2b6ed1;
  --secondary: #02045d;
  --dark: #02045d;
  --marengo: #3c3c3b;
  --gray: #64748b;
  --light-gray: #f1f5f9;
  --white: #ffffff;
  --danger: #ef4444;
  --warning: #f59e0b;
  --success: #10b981;
  --font-main: "Inter", sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 18px 30px -12px rgb(0 0 0 / 0.16);
  --radius: 0.75rem;
  --header-height: 86px;
  --container-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

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

body.menu-open {
  overflow: hidden;
}

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

section,
footer,
header,
div[id],
section[id] {
  scroll-margin-top: calc(var(--header-height) + 16px);
}

/* Typography */
h1,
h2,
h3,
h4,
h5 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
}

h1 {
  font-size: clamp(2rem, 4vw, 3.15rem);
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

h2.section-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.section-title.light {
  color: var(--white);
}

.h2-blue {
  color: var(--primary);
}

p {
  margin-bottom: 1rem;
  color: var(--marengo);
  font-size: 1.02rem;
}

.section-desc {
  font-size: 1.08rem;
  max-width: 800px;
  margin: 0 auto 2.5rem;
  text-align: center;
}

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

.text-gray {
  color: var(--gray);
}

.text-primary {
  color: var(--primary) !important;
}

.text-white {
  color: var(--white);
}

.light {
  color: var(--white) !important;
}

.max-w-md {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.opacity-75 {
  opacity: 0.75;
}

.text-sm {
  font-size: 0.92rem;
}

.text-left-mobile {
  text-align: left;
}

/* Utilities */
.container {
  width: min(100%, var(--container-width));
  margin: 0 auto;
  padding: 0 1.5rem;
}

.bg-light {
  background-color: var(--light-gray);
}

.bg-dark {
  background-color: var(--dark);
  color: var(--white);
}

.bg-blue {
  background-color: var(--primary);
  color: var(--white);
}

.bg-gradient {
  background: linear-gradient(135deg, var(--dark), var(--primary));
}

.mt-3 {
  margin-top: 1rem;
}

.mt-4 {
  margin-top: 2rem;
}

.mt-5 {
  margin-top: 3.5rem;
}

.mt-6 {
  margin-top: 5rem;
}

.mb-5 {
  margin-bottom: 3.5rem;
}

.pt-2 {
  padding-top: 0.75rem;
}

.pt-5 {
  padding-top: 3.5rem;
}

.border-t {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.flex-row {
  display: flex;
  align-items: center;
  gap: 4rem;
}

section {
  padding: 6rem 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.45rem;
  border-radius: 0.65rem;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  gap: 0.5rem;
  text-decoration: none;
  text-align: center;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background-color: var(--primary);
  color: var(--white);
}

.btn-white {
  background-color: var(--white);
  color: var(--primary);
}

.btn-white:hover {
  background-color: #f8fafc;
  transform: translateY(-2px);
}

.btn-text {
  background: transparent;
  color: var(--primary);
  padding-left: 0;
  padding-right: 0;
}

.btn-text:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.btn-block {
  width: 100%;
}

.btn-lg {
  font-size: 1.1rem;
  padding: 1rem 2rem;
  width: 100%;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.link-arrow:hover {
  gap: 0.75rem;
  color: var(--primary-hover);
}

.link-white {
  color: var(--white);
  text-decoration: underline;
  opacity: 0.92;
}

.link-white:hover {
  opacity: 1;
}

.center-btn-wrap {
  display: flex;
  justify-content: center;
}

/* Header */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #e2e8f0;
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(255, 255, 255, 0.98);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.logo {
  flex-shrink: 0;
}

.logo a,
.ft-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: auto;
  object-fit: contain;
}

.header-logo {
  height: 48px;
  width: auto;
}

.nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav ul {
  display: flex;
  gap: 1.2rem;
  list-style: none;
  align-items: center;
}

.nav a {
  color: var(--marengo);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  font-size: 0.95rem;
  white-space: nowrap;
}

.nav a:hover {
  color: var(--primary);
}

.header-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-shrink: 0;
}

.header-actions .btn-text {
  color: var(--dark);
  font-size: 0.95rem;
}

.header-actions .btn-text:hover {
  color: var(--primary);
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--dark);
  width: 44px;
  height: 44px;
  border-radius: 0.5rem;
}

.mobile-menu-btn:hover {
  background: #f1f5f9;
}

/* Mobile nav */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 4, 93, 0.38);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1100;
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: min(88vw, 360px);
  height: 100vh;
  background: var(--white);
  z-index: 1200;
  transform: translateX(100%);
  transition: var(--transition);
  box-shadow: -20px 0 50px rgba(2, 4, 93, 0.15);
  padding: 1.25rem 1.2rem 1.5rem;
  display: flex;
  flex-direction: column;
}

.mobile-nav.active {
  transform: translateX(0);
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #e2e8f0;
}

.mobile-logo {
  height: 40px;
  width: auto;
}

.mobile-nav-close {
  width: 42px;
  height: 42px;
  border: none;
  background: #f8fafc;
  border-radius: 0.6rem;
  font-size: 1.4rem;
  color: var(--dark);
  cursor: pointer;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 0;
}

.mobile-nav-links a {
  text-decoration: none;
  color: var(--dark);
  font-weight: 600;
  padding: 0.95rem 0.5rem;
  border-radius: 0.6rem;
}

.mobile-nav-links a:hover {
  background: #f8fafc;
  color: var(--primary);
}

.mobile-nav-actions {
  margin-top: auto;
  display: grid;
  gap: 0.9rem;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
}

/* Hero */
.hero {
  padding: calc(var(--header-height) + 3.5rem) 0 5rem;
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, #dff2ff, transparent 38%),
    radial-gradient(circle at left bottom, rgba(63, 134, 239, 0.08), transparent 32%);
  z-index: -1;
}

.hero-container {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 4rem;
  align-items: center;
}

.badge {
  display: inline-block;
  padding: 0.35rem 0.8rem;
  background-color: #e0f2fe;
  color: var(--primary);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: clamp(1.06rem, 1.8vw, 1.22rem);
  color: var(--marengo);
  margin-bottom: 2rem;
}

.hero-subtitle strong {
  color: var(--dark);
}

.hero-bullets {
  list-style: none;
  margin-bottom: 2.2rem;
}

.hero-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 1.03rem;
}

.hero-bullets i {
  color: var(--primary);
  font-size: 1.25rem;
  margin-top: 0.1rem;
  flex-shrink: 0;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.microcopy {
  font-size: 0.9rem;
  color: var(--gray);
}

.track-logo-container {
  background: var(--white);
  padding: 3.3rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid rgba(0, 0, 0, 0.05);
  min-height: 280px;
}

.track-hero-logo {
  max-width: min(100%, 520px);
  width: 100%;
  height: auto;
}

/* Trust bar */
.trust-bar {
  border-top: 1px solid #e2e8f0;
  border-bottom: 1px solid #e2e8f0;
  padding: 1.3rem 0;
  background: #f8fafc;
}

.trust-container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem 1.25rem;
}

.trust-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--marengo);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid #e2e8f0;
  border-radius: 999px;
  padding: 0.7rem 1rem;
}

.trust-chip i {
  color: var(--primary);
  font-size: 1.2rem;
}

/* Layout grids */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
}

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

/* Problem */
.problem-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid transparent;
  height: 100%;
}

.problem-card:hover {
  transform: translateY(-5px);
  border-color: #e2e8f0;
}

.icon-box {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.55rem;
  margin-bottom: 1.25rem;
}

.icon-box.danger {
  background: #fee2e2;
  color: var(--danger);
}

.icon-box.warning {
  background: #fef3c7;
  color: var(--warning);
}

.icon-box.alert {
  background: #e0f2fe;
  color: var(--primary);
}

/* Solution */
.solution-container {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 4rem;
  align-items: center;
}

.solution-media {
  display: flex;
  justify-content: center;
  align-items: center;
}

.comparison-list {
  margin-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.comp-item {
  background: #f8fafc;
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--primary);
}

.comp-item .before {
  font-size: 0.92rem;
  color: var(--gray);
  text-decoration: line-through;
  margin-bottom: 0.25rem;
}

.comp-item .after {
  font-weight: 600;
  color: var(--dark);
}

.abstract-graphic {
  position: relative;
  width: 300px;
  height: 300px;
  max-width: 100%;
}

.circle {
  position: absolute;
  border-radius: 50%;
  border: 20px solid rgba(63, 134, 239, 0.1);
}

.c1 {
  width: 200px;
  height: 200px;
  top: 0;
  left: 0;
  border-color: rgba(2, 4, 93, 0.15);
  animation: pulse 4s infinite alternate;
}

.c2 {
  width: 150px;
  height: 150px;
  bottom: 0;
  right: 0;
  border-color: rgba(63, 134, 239, 0.2);
  animation: pulse 3s infinite alternate-reverse;
}

.abstract-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 4rem;
  color: var(--primary);
  opacity: 0.82;
}

@keyframes pulse {
  0% { transform: scale(1); }
  100% { transform: scale(1.05); }
}

/* Flow */
.flow-steps {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-top: 4rem;
  gap: 1rem;
}

.step {
  flex: 1;
  text-align: center;
  min-width: 0;
}

.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  margin: 0 auto 1rem;
}

.step p {
  color: #cbd5e1;
  font-size: 0.96rem;
  margin-bottom: 0;
}

.step-arrow {
  display: flex;
  align-items: center;
  color: var(--gray);
  font-size: 1.5rem;
  margin-top: 10px;
}

/* Compliance */
.border-card {
  border: 1px solid #e2e8f0;
  border-radius: var(--radius);
  padding: 4rem 3rem;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

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

.comp-card i {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.comp-card p {
  margin-bottom: 0;
}

/* Integrations */
.int-content,
.int-media {
  flex: 1 1 0;
  min-width: 0;
}

.int-list {
  list-style: none;
  margin-top: 1.5rem;
}

.int-list li {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.int-list i {
  color: var(--primary);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.int-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  flex-wrap: wrap;
}

.sys-box {
  padding: 1rem 1.1rem;
  border-radius: 10px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  font-weight: 700;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  min-width: 145px;
}

.sys-box i {
  font-size: 1.4rem;
}

.sys-box.t-ia {
  background: var(--primary);
  color: var(--white);
  font-size: 1.06rem;
  border: none;
  min-width: 160px;
}

.sys-link {
  color: var(--gray);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
}

/* Modules */
.module-card {
  background: var(--light-gray);
  padding: 2.2rem 1.75rem;
  border-radius: var(--radius);
  border-top: 4px solid #cbd5e1;
  transition: var(--transition);
  height: 100%;
}

.module-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.mod-hdr {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.t-core {
  color: var(--primary);
}

.t-cons {
  color: var(--warning);
}

.t-inv {
  color: var(--success);
}

/* Results */
.res-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 2rem;
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
}

.res-card i {
  font-size: 2.5rem;
  color: #bae6fd;
  margin-bottom: 1rem;
}

.res-card h4 {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.res-card p {
  color: #e0f2fe;
  margin-bottom: 0;
}

.pattern-bg {
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.06) 0%, transparent 50%);
}

/* Security */
.sec-media {
  flex: 0.5;
  display: flex;
  justify-content: center;
}

.sec-icon {
  font-size: 8rem;
  color: var(--primary);
  opacity: 0.1;
}

.sec-content {
  flex: 1.5;
  min-width: 0;
}

/* Testimonials */
.test-slider {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.test-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid #e2e8f0;
  height: 100%;
}

.quote-icon {
  color: #e2e8f0;
  font-size: 2rem;
  margin-bottom: 1rem;
}

.quote {
  font-style: italic;
  color: var(--marengo);
  margin-bottom: 1.5rem;
  font-size: 1.08rem;
}

.author strong {
  display: block;
  color: var(--dark);
}

.author span {
  font-size: 0.875rem;
  color: var(--gray);
}

/* Logos */
.logos-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
  filter: grayscale(100%);
  opacity: 0.75;
  transition: var(--transition);
}

.logos-grid:hover {
  filter: grayscale(50%);
  opacity: 1;
}

.logo-text-item {
  font-size: 0.94rem;
  font-weight: 700;
  padding: 0.8rem 0.6rem;
  color: var(--marengo);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  text-align: center;
}

.logo-text-item.border-l {
  border-left: 1px solid #e2e8f0;
  padding-left: 0.6rem;
  margin-left: 0;
}

/* FAQ */
.accordion {
  border-top: 1px solid #e2e8f0;
}

.acc-item {
  border-bottom: 1px solid #e2e8f0;
}

.acc-header {
  padding: 1.3rem 0;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--dark);
}

.acc-header i {
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.acc-body {
  padding: 0 0 1.3rem;
  display: none;
  color: var(--marengo);
}

.acc-item.active .acc-body {
  display: block;
}

.acc-item.active .acc-header i {
  transform: rotate(45deg);
  color: var(--primary);
}

/* CTA */
.cta-final {
  padding: 7rem 0;
}

.glass-card {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: 3rem;
  border-radius: var(--radius);
  max-width: 420px;
  margin: 0 auto;
}

/* Footer */
.footer {
  background: var(--dark);
  padding: 5rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer-logo {
  height: 48px;
  filter: brightness(0) invert(1);
}

.ft-col h4 {
  margin-bottom: 1.25rem;
  font-size: 1rem;
  color: var(--white);
}

.ft-col ul {
  list-style: none;
}

.ft-col li {
  margin-bottom: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}

.ft-col a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
}

.ft-col a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 3rem;
  padding-top: 2rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 1180px) {
  .nav ul {
    gap: 0.9rem;
  }

  .nav a {
    font-size: 0.9rem;
  }

  .header-actions {
    gap: 0.8rem;
  }

  .hero-container,
  .solution-container {
    gap: 3rem;
  }
}

@media (max-width: 1024px) {
  :root {
    --header-height: 82px;
  }

  .nav,
  .header-actions {
    display: none;
  }

  .mobile-menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .hero-container,
  .solution-container,
  .flex-row {
    grid-template-columns: 1fr;
    flex-direction: column;
    gap: 2.5rem;
  }

  .hero {
    padding-top: calc(var(--header-height) + 2.5rem);
  }

  .hero-content,
  .hero-media,
  .solution-content,
  .solution-media,
  .int-content,
  .int-media,
  .sec-content,
  .sec-media {
    width: 100%;
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .logos-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 78px;
  }

  .container {
    padding: 0 1rem;
  }

  section {
    padding: 4.5rem 0;
  }

  .header-logo {
    height: 52px;
  }

  .hero {
    text-align: center;
    padding-top: calc(var(--header-height) + 2rem);
    padding-bottom: 4rem;
  }

  .hero-bullets li {
    justify-content: flex-start;
    text-align: left;
  }

  .hero-ctas {
    justify-content: center;
  }

  .track-logo-container {
    padding: 2rem 1.5rem;
    min-height: 220px;
  }

  .grid-3,
  .grid-2,
  .test-slider,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .flow-steps {
    flex-direction: column;
    align-items: stretch;
    gap: 1.4rem;
    margin-top: 2.5rem;
  }

  .step {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.9rem;
    padding: 1.1rem 1rem;
  }

  .step-arrow {
    justify-content: center;
    margin: 0;
  }

  .step-arrow i {
    transform: rotate(90deg);
  }

  .border-card {
    padding: 2rem 1.25rem;
  }

  .int-diagram {
    padding: 1.25rem;
    gap: 0.8rem;
  }

  .sys-link i {
    transform: rotate(90deg);
  }

  .sec-icon {
    font-size: 5rem;
  }

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

  .glass-card {
    padding: 2rem 1.25rem;
  }

  .cta-final {
    padding: 5rem 0;
  }

  .section-desc {
    margin-bottom: 2rem;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 1.9rem;
  }

  h2.section-title {
    font-size: 1.6rem;
  }

  p,
  .hero-bullets li {
    font-size: 0.98rem;
  }

  .header-logo {
    height: 50px;
  }

  .mobile-logo {
    height: 36px;
  }

  .hero-bullets li {
    gap: 0.6rem;
  }

  .problem-card,
  .module-card,
  .res-card,
  .test-card {
    padding: 1.5rem;
  }

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

  .trust-chip {
    width: 100%;
    justify-content: flex-start;
    border-radius: 0.9rem;
  }

  .btn,
  .btn-lg {
    width: 100%;
  }

  .hero-ctas {
    flex-direction: column;
  }

  .footer {
    padding-top: 4rem;
  }
}