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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  color: #1C1C1E;
  background-color: #FFFFFF;
  min-height: 100vh;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: #0A2E4D;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #FF6B35;
}

ul,
ol {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

:focus-visible {
  outline: 3px solid #FF6B35;
  outline-offset: 2px;
  border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

:root {
  --color-primary: #0A2E4D;
  --color-accent: #FF6B35;
  --color-accent-hover: #e55a2a;
  --color-bg-light: #F2F4F6;
  --color-white: #FFFFFF;
  --color-text-dark: #1C1C1E;
  --color-border: #C4C8CB;
  --color-secondary-btn: #1E4D73;
  --color-accent-gradient: linear-gradient(135deg, #FF6B35, #FFA500);
  --font-heading: 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Fira Code', monospace;
  --header-width: 280px;
  --header-height-mobile: 60px;
  --transition-base: 0.25s ease;
  --shadow-card: 0 4px 16px rgba(10, 46, 77, 0.08);
  --shadow-card-hover: 0 8px 28px rgba(10, 46, 77, 0.16);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  padding: 0.75rem 1.5rem;
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  white-space: nowrap;
}
.skip-link:focus {
  top: 0;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height-mobile);
  background: var(--color-primary);
  color: var(--color-white);
  z-index: 500;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 100%;
}

.brand-zone {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--color-white) !important;
  line-height: 1;
  position: relative;
}
.brand-logo::after {
  content: '';
  display: block;
  width: 100%;
  height: 4px;
  background: var(--color-accent);
  margin-top: 2px;
  border-radius: 2px;
}
.brand-logo:hover::after {
  background: var(--color-accent-hover);
}

.brand-divider {
  display: none;
}

.header-nav {
  display: none;
  position: fixed;
  top: var(--header-height-mobile);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height-mobile));
  background: var(--color-primary);
  padding: 2rem 1.5rem;
  overflow-y: auto;
  z-index: 499;
  flex-direction: column;
}
.header-nav[data-open] {
  display: flex;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.nav-list li a {
  display: block;
  padding: 0.85rem 1rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--color-white) !important;
  border-radius: var(--radius-sm);
  transition: background var(--transition-base), color var(--transition-base);
  position: relative;
}
.nav-list li a:hover,
.nav-list li a:focus-visible {
  background: rgba(255, 107, 53, 0.15);
  color: var(--color-accent) !important;
}
.nav-list li a[aria-current="page"] {
  background: rgba(255, 107, 53, 0.12);
  color: var(--color-accent) !important;
  border-left: 4px solid var(--color-accent);
  padding-left: calc(1rem - 4px);
}

.countdown-panel {
  display: none;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  background: transparent;
  border-radius: var(--radius-sm);
  transition: background var(--transition-base);
}
.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
}
.toggle-line {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.countdown-strip {
  display: none;
  position: fixed;
  top: var(--header-height-mobile);
  left: 0;
  width: 100%;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.5rem 1.25rem;
  z-index: 490;
  font-size: 0.8rem;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transform: translateY(-100%);
  transition: transform var(--transition-base);
}
.countdown-strip[data-visible] {
  transform: translateY(0);
}
.countdown-strip .strip-label {
  font-weight: 400;
  opacity: 0.8;
}
.countdown-strip .strip-time {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-accent);
  font-size: 0.9rem;
}

.site-footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 3rem 1.25rem 1.5rem;
  margin-top: 4rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-logo {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.8rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--color-white);
  display: inline-block;
}
.footer-tagline {
  font-size: 0.9rem;
  opacity: 0.8;
  line-height: 1.5;
  max-width: 320px;
}
.footer-heading {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}
.footer-link-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.footer-link-group a,
.footer-col a {
  color: rgba(255, 255, 255, 0.8) !important;
  font-size: 0.9rem;
  transition: color var(--transition-base);
}
.footer-link-group a:hover,
.footer-col a:hover {
  color: var(--color-accent) !important;
}
.footer-col span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
}
.footer-icp {
  font-size: 0.75rem;
  opacity: 0.6;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.25rem;
  grid-column: 1 / -1;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.footer-copy {
  opacity: 0.7;
  font-size: 0.75rem;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 2rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--color-primary);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--color-accent);
  margin-top: 0.5rem;
  border-radius: 2px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--color-border);
  margin-bottom: 1.5rem;
}
.breadcrumb a {
  color: var(--color-primary);
  font-weight: 500;
}
.breadcrumb a:hover {
  color: var(--color-accent);
}
.breadcrumb span {
  color: var(--color-text-dark);
  opacity: 0.7;
}
.breadcrumb li + li::before {
  content: '/';
  margin-right: 0.4rem;
  color: var(--color-border);
}

.card {
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(196, 200, 203, 0.3);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}
.card h3,
.card h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
.card p {
  font-size: 0.95rem;
  color: var(--color-text-dark);
  opacity: 0.85;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.6rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
  border: none;
  line-height: 1.2;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-white) !important;
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.35);
}
.btn-secondary {
  background: var(--color-secondary-btn);
  color: var(--color-white) !important;
}
.btn-secondary:hover {
  background: #153d5a;
  transform: scale(1.02);
}
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  border-radius: 100px;
  background: var(--color-primary);
  color: var(--color-white);
}
.tag-accent {
  background: var(--color-accent);
  color: var(--color-white);
}
.tag-light {
  background: var(--color-bg-light);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.7rem;
  border-radius: 100px;
  background: var(--color-accent);
  color: var(--color-white);
}

.progress-track {
  width: 100%;
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
}
.progress-track .progress-fill {
  height: 100%;
  background: var(--color-accent-gradient);
  border-radius: 3px;
  width: 0%;
  transition: width 0.4s ease;
}

.step-node {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.step-node .step-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
  border: 3px solid var(--color-accent);
}
.step-node .step-circle.active {
  background: var(--color-accent);
  border-color: var(--color-primary);
}
.step-node .step-content {
  font-size: 0.9rem;
  line-height: 1.4;
}
.step-connector {
  width: 2px;
  height: 32px;
  background: var(--color-border);
  margin-left: 19px;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  z-index: 999;
  background: transparent;
  pointer-events: none;
}
.scroll-progress .progress-fill {
  height: 100%;
  background: var(--color-accent-gradient);
  width: 0%;
  transition: width 0.1s linear;
}

@media (prefers-reduced-motion: reduce) {
  .scroll-progress .progress-fill {
    transition: none;
  }
}

@media (min-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
  .footer-icp {
    grid-column: 1 / -1;
  }
  .countdown-panel {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem 1.25rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.06);
    margin-top: auto;
  }
  .countdown-panel .countdown-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    opacity: 0.7;
  }
  .countdown-panel .countdown-display {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-accent);
  }
  .countdown-panel .countdown-remaining {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-white);
  }
}

@media (min-width: 1024px) {
  .site-header {
    width: var(--header-width);
    height: 100vh;
    flex-direction: column;
    align-items: stretch;
    padding: 0;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
  }
  .header-inner {
    flex-direction: column;
    align-items: stretch;
    padding: 2rem 1.5rem;
    max-width: none;
    height: 100%;
    gap: 0;
  }
  .brand-zone {
    margin-bottom: 2rem;
  }
  .brand-logo {
    font-size: 2rem;
  }
  .brand-divider {
    display: block;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin-top: 0.75rem;
    width: 100%;
  }
  .header-nav {
    display: flex !important;
    position: static;
    height: auto;
    background: transparent;
    padding: 0;
    overflow: visible;
    flex: 1;
  }
  .nav-list {
    gap: 0.15rem;
  }
  .nav-list li a {
    padding: 0.7rem 1rem;
    font-size: 0.95rem;
  }
  .countdown-panel {
    display: flex;
    margin-top: auto;
  }
  .nav-toggle {
    display: none;
  }
  .countdown-strip {
    display: none !important;
  }
  body {
    margin-left: var(--header-width);
  }
  .footer-inner {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
  .footer-icp {
    grid-column: 1 / -1;
  }
  .section-title {
    font-size: 2.5rem;
  }
}

@media (min-width: 1200px) {
  .header-inner {
    padding: 2.5rem 2rem;
  }
  .brand-logo {
    font-size: 2.2rem;
  }
}