:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-strong: #f0f4f8;
  --text: #142033;
  --muted: #607083;
  --line: #dbe3ec;
  --accent: #0f9f8f;
  --accent-dark: #087569;
  --ink: #07111f;
  --warning: #f4b24d;
  --shadow: 0 18px 50px rgba(19, 39, 65, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.5;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 64px);
  color: #ffffff;
  background: rgba(5, 15, 30, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  color: #06131f;
  background: #ffffff;
  border-radius: 8px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  font-weight: 600;
}

.main-nav a {
  color: rgba(255, 255, 255, 0.82);
}

.main-nav a:hover {
  color: #ffffff;
}

.nav-cta {
  padding: 10px 14px;
  color: #07111f !important;
  background: #ffffff;
  border-radius: 8px;
}

.hero {
  position: relative;
  min-height: 760px;
  color: #ffffff;
  overflow: hidden;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(4, 12, 24, 0.94) 0%, rgba(4, 12, 24, 0.8) 42%, rgba(4, 12, 24, 0.24) 100%),
    linear-gradient(180deg, rgba(4, 12, 24, 0.24) 0%, rgba(4, 12, 24, 0.96) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1160px, calc(100% - 40px));
  min-height: 760px;
  margin: 0 auto;
  padding: 150px 0 56px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #5ee5d6;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 22px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.2;
}

.hero-copy {
  max-width: 660px;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 19px;
}

.hero-actions,
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

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

.button-primary {
  color: #ffffff;
  background: var(--accent);
}

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

.button-secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.36);
  background: rgba(255, 255, 255, 0.08);
}

.button-outline {
  width: 100%;
  color: var(--accent-dark);
  border-color: var(--line);
  background: #ffffff;
}

.button-outline:hover {
  border-color: var(--accent);
}

.hero-stats {
  max-width: 720px;
  margin: 72px 0 0;
}

.hero-stats div {
  min-width: 160px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  backdrop-filter: blur(12px);
}

.hero-stats dt {
  font-size: 26px;
  font-weight: 800;
}

.hero-stats dd {
  margin: 2px 0 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 14px;
}

.section {
  padding: 88px 0;
  background: var(--bg);
}

.section-light {
  background: #ffffff;
}

.section-inner {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.section-heading p,
.support-layout p,
.request-layout p {
  color: var(--muted);
  font-size: 18px;
}

.feature-grid,
.plans-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

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

.feature-card,
.plan-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(18, 42, 68, 0.06);
}

.feature-card {
  padding: 24px;
}

.feature-card p,
.plan-note {
  color: var(--muted);
}

.feature-icon {
  display: inline-grid;
  min-width: 54px;
  height: 32px;
  margin-bottom: 28px;
  place-items: center;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 800;
  background: #e6f7f4;
  border: 1px solid #bfeae4;
  border-radius: 8px;
}

.plan-card {
  position: relative;
  padding: 28px;
}

.plan-card-accent {
  border-color: rgba(15, 159, 143, 0.42);
  box-shadow: var(--shadow);
}

.badge {
  position: absolute;
  top: 18px;
  right: 18px;
  margin: 0;
  padding: 6px 10px;
  color: #6b4500;
  font-size: 12px;
  font-weight: 800;
  background: #fff1d6;
  border-radius: 8px;
}

.price {
  margin: 24px 0;
  font-size: 34px;
  font-weight: 800;
}

.price span {
  color: var(--muted);
  font-size: 15px;
  font-weight: 600;
}

.plan-card ul {
  display: grid;
  gap: 10px;
  margin: 0 0 26px;
  padding: 0;
  color: var(--muted);
  list-style: none;
}

.plan-card li {
  padding-left: 22px;
  background: linear-gradient(var(--accent), var(--accent)) 0 11px / 8px 8px no-repeat;
}

.support-layout,
.request-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 56px;
  align-items: start;
}

.support-list {
  display: grid;
  gap: 14px;
}

.support-list div {
  padding: 22px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.support-list strong,
.support-list span {
  display: block;
}

.support-list strong {
  margin-bottom: 6px;
  font-size: 18px;
}

.support-list span {
  color: var(--muted);
}

.request-section {
  color: #ffffff;
  background: var(--ink);
}

.request-section .eyebrow {
  color: #5ee5d6;
}

.request-layout p {
  color: rgba(255, 255, 255, 0.72);
}

.request-form {
  display: grid;
  gap: 16px;
  padding: 26px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.request-form label {
  display: grid;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
}

.request-form input,
.request-form textarea {
  width: 100%;
  padding: 14px 15px;
  color: #ffffff;
  font: inherit;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  outline: none;
}

.request-form input:focus,
.request-form textarea:focus {
  border-color: #5ee5d6;
}

.request-form ::placeholder {
  color: rgba(255, 255, 255, 0.48);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 4vw, 64px);
  color: var(--muted);
  background: #ffffff;
  border-top: 1px solid var(--line);
}

.site-footer span:first-child {
  color: var(--text);
  font-weight: 800;
}

@media (max-width: 940px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
  }

  .main-nav {
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 10px 16px;
  }

  .hero,
  .hero-content {
    min-height: 700px;
  }

  .feature-grid,
  .plans-grid,
  .support-layout,
  .request-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    display: block;
    padding: 16px 20px;
  }

  .main-nav {
    margin-top: 14px;
    justify-content: flex-start;
    font-size: 13px;
  }

  .nav-cta {
    padding: 8px 10px;
  }

  .hero,
  .hero-content {
    min-height: 760px;
  }

  .hero-content {
    width: calc(100% - 32px);
    padding-top: 170px;
  }

  h1 {
    font-size: 40px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .button,
  .hero-actions {
    width: 100%;
  }

  .hero-stats {
    margin-top: 42px;
  }

  .hero-stats div {
    width: 100%;
  }

  .section {
    padding: 64px 0;
  }

  .section-inner {
    width: calc(100% - 32px);
  }

  .plan-card,
  .feature-card,
  .request-form {
    padding: 22px;
  }

  .site-footer {
    display: grid;
  }
}