:root {
  --primary: #0b3b69;
  --primary-dark: #082c4e;
  --accent: #11a1d8;
  --bg: #eef4f8;
  --text: #16324a;
  --muted: #5c7288;
  --white: #ffffff;
  --border: #d6e0e8;
  --shadow: 0 18px 45px rgba(8, 44, 78, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', Arial, sans-serif;
  color: var(--text);
  background: var(--white);
}

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

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

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(214, 224, 232, 0.8);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
}

.brand img,
.footer-logo {
  height: 52px;
  width: auto;
}

.menu {
  display: flex;
  gap: 22px;
  font-weight: 600;
  color: var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  border-radius: 12px;
  font-weight: 700;
  transition: 0.25s ease;
  border: 1px solid transparent;
}

.btn:hover {
  transform: translateY(-1px);
}

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

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

.btn-outline {
  border-color: var(--primary);
  color: var(--primary);
  background: transparent;
}

.btn-outline:hover {
  background: rgba(11, 59, 105, 0.06);
}

.hero {
  background: radial-gradient(circle at top right, rgba(17, 161, 216, 0.18), transparent 34%), linear-gradient(180deg, #f2f7fb 0%, #eef4f8 100%);
  padding: 56px 0 70px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 46px;
  align-items: center;
}

.eyebrow,
.section-tag {
  display: inline-block;
  text-transform: uppercase;
  font-size: 0.84rem;
  letter-spacing: 0.16em;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 14px;
}

.hero-copy h1 {
  font-size: clamp(2.6rem, 5vw, 4.25rem);
  line-height: 1.06;
  margin: 0 0 20px;
  max-width: 680px;
  color: var(--primary);
}

.hero-text,
.section-heading p,
.feature-card p,
.module-card p,
.proposal-info p,
.contact-box p,
.form-note,
.footer p,
.timeline-area p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 1rem;
}

.hero-actions,
.cta-actions,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-badges span,
.timeline-step,
.segment-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 16px;
  box-shadow: 0 10px 25px rgba(8, 44, 78, 0.06);
}

.hero-visual {
  display: grid;
  gap: 18px;
}

.hero-card,
.feature-card,
.module-card,
.proposal-form-card,
.contact-box,
.cta-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.intro-card {
  padding: 28px 32px;
}

.intro-card h2,
.section-heading h2,
.timeline-area h2,
.cta-box h2,
.proposal-info h1 {
  margin: 0 0 14px;
  color: var(--primary);
  font-size: clamp(1.9rem, 3vw, 2.6rem);
}

.intro-card ul {
  margin: 0;
  padding-left: 22px;
  color: var(--text);
  line-height: 1.65;
}

.product-shot img {
  border-radius: 24px;
  box-shadow: 0 24px 55px rgba(8, 44, 78, 0.22);
  border: 1px solid rgba(255,255,255,0.8);
}

.section {
  padding: 78px 0;
}

.section-alt {
  background: #f7fafc;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.feature-grid.cols-3,
.module-grid,
.segments-grid,
.footer-grid,
.proposal-layout {
  display: grid;
  gap: 22px;
}

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

.feature-card,
.module-card {
  padding: 24px;
}

.feature-card h3,
.module-card h3,
.contact-box h3,
.footer h3 {
  margin: 0 0 10px;
  color: var(--primary);
}

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

.module-card {
  min-height: 195px;
}

.module-card .module-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.module-number {
  min-width: 34px;
  height: 34px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(17, 161, 216, 0.14);
  color: var(--primary);
  font-weight: 800;
}

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

.segment-card {
  text-align: center;
  font-weight: 700;
  color: var(--primary);
}

.timeline-area {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 34px;
  align-items: start;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.timeline-step {
  font-weight: 700;
  color: var(--primary);
}

.cta-box {
  padding: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.92);
  padding: 42px 0;
}

.footer-grid {
  grid-template-columns: 1.1fr 1fr 1fr;
}

.footer h3,
.footer a,
.footer p {
  color: rgba(255,255,255,0.92);
}

.proposal-body {
  background: linear-gradient(180deg, #f6fafc 0%, #edf4f8 100%);
}

.proposal-layout {
  grid-template-columns: 0.9fr 1.1fr;
  align-items: start;
}

.contact-box,
.proposal-form-card {
  padding: 28px;
}

.proposal-form {
  display: grid;
  gap: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  font-weight: 600;
  color: var(--primary);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 15px;
  font: inherit;
  color: var(--text);
  background: #fbfdff;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(17, 161, 216, 0.12);
}

.form-note {
  margin: 0;
}

@media (max-width: 1024px) {
  .hero-grid,
  .timeline-area,
  .proposal-layout,
  .feature-grid.cols-3,
  .module-grid,
  .segments-grid,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .menu {
    display: none;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .desktop-only {
    display: none;
  }

  .hero {
    padding-top: 34px;
  }

  .hero-grid,
  .timeline-area,
  .proposal-layout,
  .feature-grid.cols-3,
  .module-grid,
  .segments-grid,
  .footer-grid,
  .form-grid,
  .timeline,
  .cta-box {
    grid-template-columns: 1fr;
  }

  .cta-box {
    padding: 28px;
  }

  .hero-copy h1 {
    font-size: 2.5rem;
  }

  .nav {
    flex-wrap: wrap;
  }
}