:root {
  --primary: #0055fa;
  --primary-dark: #0000cd;
  --accent: #009bff;
  --accent-cyan: #00c8ff;
  --text-dark: #001135;
  --text-medium: #3d4a63;
  --text-light: #64708a;
  --bg-light: #f5f8ff;
  --bg-white: #ffffff;
  --border: #e3e9f5;
  --gradient: linear-gradient(135deg, #0055fa 0%, #009bff 100%);
  --gradient-soft: linear-gradient(
    135deg,
    rgba(0, 85, 250, 0.06) 0%,
    rgba(0, 200, 255, 0.06) 100%
  );
  --shadow-sm: 0 2px 8px rgba(0, 17, 53, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 17, 53, 0.09);
  --shadow-lg: 0 16px 48px rgba(0, 17, 53, 0.14);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background: var(--bg-white);
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

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

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 110px 0;
}

.section-kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  background: rgba(0, 85, 250, 0.08);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.kicker-light {
  color: var(--accent-cyan);
  background: rgba(255, 255, 255, 0.12);
}

.section-head {
  max-width: 780px;
  margin-bottom: 56px;
}

.section-head h2,
.solution-content h2,
.benefits-content h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.75rem);
  margin-bottom: 18px;
}

.section-head h2 span,
h1 span,
.solution-content h2 span,
.benefits-content h2 span {
  color: var(--primary);
}

.section-lead {
  font-size: 1.125rem;
  color: var(--text-medium);
  line-height: 1.7;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: "Inter", sans-serif;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

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

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

.btn-ghost {
  background: transparent;
  color: var(--primary);
  border: 2px solid rgba(0, 85, 250, 0.35);
}

.btn-ghost:hover {
  border-color: var(--primary);
  background: rgba(0, 85, 250, 0.06);
}

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

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s ease;
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.logo img {
  height: 34px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: color 0.2s ease;
}

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

.nav-cta {
  padding: 10px 20px;
  font-size: 14px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 24px 24px;
  background: white;
  border-bottom: 1px solid var(--border);
}

.mobile-menu a {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
  padding: 12px 4px;
}

.mobile-menu .btn {
  margin-top: 8px;
}

.mobile-menu.open {
  display: flex;
}

/* Hero */
.hero {
  position: relative;
  padding: 168px 0 96px;
  background: var(--gradient-soft);
  overflow: hidden;
}

.hero-device {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: url("../images/device-hero.svg") right center / cover no-repeat;
  opacity: 0.14;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-dark);
  background: rgba(0, 85, 250, 0.1);
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.75rem);
  font-weight: 800;
  margin-bottom: 24px;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--text-medium);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 560px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero-trust {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hero-trust li {
  position: relative;
  padding-left: 28px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-medium);
}

.hero-trust li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--primary);
  background-image: url("../images/icon-check-white.svg");
  background-size: 10px;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-visual {
  position: relative;
}

.hero-photo {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-photo img {
  width: 100%;
  height: 540px;
  object-fit: cover;
}

.hero-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  background: white;
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  box-shadow: var(--shadow-lg);
}

.hero-card strong {
  display: block;
  font-size: 14px;
}

.hero-card span:last-child {
  font-size: 12.5px;
  color: var(--text-light);
}

.hero-card-icon {
  width: 44px;
  height: 44px;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-card-icon img {
  width: 28px;
  height: 28px;
}

.hero-card-sign {
  left: -28px;
  bottom: 96px;
}

.hero-card-sync {
  right: -20px;
  top: 48px;
}

/* Trust bar */
.trust-bar {
  padding: 28px 0;
  background: white;
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 1001;
}

.trust-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.trust-inner > p {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
}

.trust-logos {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.trust-logos a {
  text-decoration: none;
}
.trust-logos a:hover .trust-chip {
  background: var(--bg-medium);
}

.trust-chip {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-medium);
  background: var(--bg-light);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 999px;
}

/* Challenge */
.challenge {
  background: var(--text-dark);
  color: white;
}

.challenge .section-kicker {
  color: var(--accent-cyan);
  background: rgba(0, 200, 255, 0.12);
}

.challenge .section-head h2 {
  color: white;
}

.challenge .section-head h2 span {
  color: var(--accent);
}

.challenge .section-lead {
  color: rgba(255, 255, 255, 0.72);
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.pain-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.3s ease;
}

.pain-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
}

.pain-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.pain-card h3 {
  font-size: 1.1rem;
  margin: 12px 0 10px;
}

.pain-card p {
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.65;
}

.pain-callout {
  margin-top: 48px;
  text-align: center;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  font-weight: 600;
  color: var(--accent-cyan);
}

/* Solution */
.solution {
  background: var(--bg-white);
}

.solution-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

.solution-visual img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-height: 520px;
  height: auto;
  object-fit: contain;
  background: var(--bg-light);
}

.flow-demo {
  margin: 36px 0;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.flow-node {
  display: flex;
  align-items: center;
  gap: 10px;
  background: white;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
}

.flow-node-primary {
  background: var(--gradient);
  color: white;
  border: none;
  font-size: 15px;
  line-height: 1.35;
}

.flow-node-primary img {
  width: 36px;
  height: 36px;
  background: white;
  border-radius: 9px;
  padding: 5px;
}

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

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

.flow-arrow {
  width: 36px;
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    var(--accent) 0 6px,
    transparent 6px 12px
  );
}

.solution-note {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  background: var(--bg-light);
  border-left: 4px solid var(--primary);
  padding: 14px 18px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* How it helps */
.how {
  background: var(--bg-light);
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.how-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all 0.3s ease;
}

.how-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 85, 250, 0.35);
}

.how-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 22px;
}

.how-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.how-card p {
  font-size: 14.5px;
  color: var(--text-medium);
  line-height: 1.65;
}

/* Integrations */
.integrations {
  background: var(--bg-white);
  position: relative;
  overflow: hidden;
}

.integration-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

.integration-grid a {
  text-decoration: none;
}
.integration-grid a:hover .integration-chip {
  border-color: var(--primary);
  color: var(--primary);
}

.integration-chip {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 84px;
  padding: 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.integration-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.integration-note {
  text-align: center;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-medium);
}

.solution-band {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--gradient);
}

/* Benefits */
.benefits {
  background: var(--bg-light);
}

.benefits-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 64px;
  align-items: center;
}

.benefits-visual img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: 520px;
  object-fit: cover;
}

.benefits-content h2 {
  margin-bottom: 32px;
}

.benefit-item {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 14px;
  transition: all 0.3s ease;
}

.benefit-item:hover {
  border-color: rgba(0, 85, 250, 0.35);
  transform: translateX(6px);
}

.benefit-item h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
  color: var(--primary-dark);
}

.benefit-item p {
  font-size: 14.5px;
  color: var(--text-medium);
}

/* Industries */
.industries {
  background: var(--bg-white);
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.industry-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  background: white;
}

.industry-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.industry-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.industry-card h3 {
  font-size: 1.1rem;
  padding: 22px 24px 6px;
}

.industry-card p {
  font-size: 14.5px;
  color: var(--text-medium);
  padding: 0 24px 24px;
}

.industry-note {
  margin-top: 40px;
  text-align: center;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 600;
  color: var(--text-dark);
}

/* Testimonials */
.testimonials {
  background: var(--bg-light);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.testimonial-card blockquote {
  font-size: 15px;
  color: var(--text-medium);
  line-height: 1.7;
  position: relative;
  padding-top: 8px;
}

.testimonial-card blockquote::before {
  content: "\201C";
  display: block;
  font-size: 56px;
  line-height: 1;
  color: var(--accent);
  font-weight: 800;
  margin-bottom: -28px;
}

.testimonial-card figcaption {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: auto;
}

.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient);
  color: white;
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testimonial-card figcaption strong {
  display: block;
  font-size: 14.5px;
}

.testimonial-card figcaption span:last-child {
  font-size: 13px;
  color: var(--text-light);
}

/* CTA */
.cta {
  position: relative;
  padding: 130px 0;
  background: var(--primary-dark);
  overflow: hidden;
  text-align: center;
}

.cta-device {
  position: absolute;
  inset: 0;
  background: url("../images/device-cta.svg") center / cover no-repeat;
  opacity: 0.55;
  pointer-events: none;
}

.cta-inner {
  position: relative;
  max-width: 820px;
}

.cta h2 {
  color: white;
  font-size: clamp(2rem, 4.4vw, 3.1rem);
  margin-bottom: 20px;
}

.cta h2 span {
  color: var(--accent-cyan);
}

.cta p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: 40px;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}

.cta-phone {
  color: white;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  transition: color 0.2s ease;
}

.cta-phone:hover {
  color: var(--accent-cyan);
}

/* Footer */
.footer {
  padding: 80px 0 40px;
  background: var(--text-dark);
  color: white;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1.3fr 0.9fr 0.7fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand img {
  height: 36px;
  width: auto;
  margin-bottom: 20px;
}

.footer-tagline {
  font-size: 16px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 10px;
  max-width: 320px;
}

.footer-distributor {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
}

.footer h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 20px;
}

.footer-products ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.footer-products a {
  display: flex;
  align-items: center;
  height: 52px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  transition: all 0.2s ease;
}

.footer-products a:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.footer-products img {
  max-height: 22px;
  width: auto;
  max-width: 100%;
  filter: brightness(0) invert(1);
}

.footer-contact ul,
.footer-legal ul {
  list-style: none;
}

.footer-contact li,
.footer-legal li {
  margin-bottom: 12px;
  font-size: 14.5px;
}

.footer-contact a,
.footer-legal a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-contact a:hover,
.footer-legal a:hover {
  color: white;
}

.footer-demo {
  font-weight: 600;
  color: var(--accent-cyan) !important;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 13.5px;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid,
  .solution-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-photo img {
    height: 420px;
  }

  .hero-card-sign {
    left: 16px;
  }

  .hero-card-sync {
    right: 16px;
  }

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

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

  .industry-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

  .solution-visual img,
  .benefits-visual img {
    max-height: 420px;
    height: auto;
    object-fit: contain;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 80px 0;
  }

  .hero {
    padding: 140px 0 72px;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .pain-grid,
  .how-grid,
  .integration-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .hero-card-sign,
  .hero-card-sync {
    position: static;
    margin-top: 16px;
  }

  .hero-visual {
    display: flex;
    flex-direction: column;
  }

  .hero-photo {
    order: -1;
  }

  .flow-demo {
    flex-direction: column;
    align-items: flex-start;
  }

  .flow-arrows {
    flex-direction: row;
  }
}