/* ===== CUSTOM PROPERTIES ===== */
:root {
  --bg: #112738;
  --surface: #1A2C38;
  --surface2: #213743;
  --border: #2F4553;
  --accent: #1475E1;
  --accent-light: #3B82F6;
  --text: #FFFFFF;
  --muted: #B1BAD3;
  --badge-bg: #173321;
  --badge-text: #00E701;
  --code-bg: #314455;
  --success: #00E701;
  --warning: #F5A524;
  --btn-secondary: #395563;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-accent: 0 4px 16px rgba(20, 117, 225, 0.25);
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.2);
  --contain: 1140px;
  --header-h: 72px;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--accent-light);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--text);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

ul, ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* ===== UTILITY ===== */
.su-contain {
  max-width: var(--contain);
  margin: 0 auto;
  padding: 0 24px;
}

.su-content-narrow {
  max-width: 780px;
}

.su-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== BUTTONS ===== */
.su-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  padding: 14px 28px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.su-btn--accent {
  background: var(--accent);
  color: var(--text);
}

.su-btn--accent:hover {
  background: var(--accent-light);
  box-shadow: var(--shadow-accent);
  color: var(--text);
}

.su-btn--secondary {
  background: var(--btn-secondary);
  color: var(--text);
}

.su-btn--secondary:hover {
  background: #4a6a7a;
  color: var(--text);
}

.su-btn--sm {
  padding: 10px 20px;
  font-size: 14px;
}

.su-btn--xs {
  padding: 8px 18px;
  font-size: 13px;
}

/* ===== HEADER ===== */
.su-masthead {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
  transition: background var(--transition), backdrop-filter var(--transition);
}

.su-masthead--scrolled {
  background: rgba(17, 39, 56, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.su-masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.su-masthead__brand img {
  height: 36px;
  width: auto;
}

.su-masthead__nav {
  display: flex;
  align-items: center;
}

.su-nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.su-nav-link {
  display: block;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}

.su-nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.su-nav-link--active {
  color: var(--text);
  background: rgba(20, 117, 225, 0.15);
}

.su-masthead__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* BURGER */
.su-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.su-burger span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

.su-burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.su-burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.su-burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== HERO ===== */
.su-hero {
  padding: calc(var(--header-h) + 48px) 0 64px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.su-hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(20, 117, 225, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.su-hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.su-hero__title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 12px;
  color: var(--text);
}

.su-hero__subtitle {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 28px;
}

.su-hero__ctas {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.su-hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.su-hero__visual img {
  width: 100%;
  max-width: 480px;
  height: auto;
}

/* ===== PROMO CODE WIDGET ===== */
.su-code-widget {
  background: var(--surface);
  border: 1.5px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  max-width: 520px;
}

.su-code-widget--large {
  max-width: 600px;
  margin: 0 auto 32px;
  padding: 24px 32px;
}

.su-code-widget__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 8px;
}

.su-verified-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--badge-text);
  background: var(--badge-bg);
  padding: 4px 12px;
  border-radius: 20px;
}

.su-code-widget__date {
  font-size: 13px;
  color: var(--muted);
}

.su-code-widget__body {
  display: flex;
  gap: 12px;
  align-items: stretch;
}

.su-code-display {
  flex: 1;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 20px;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  user-select: all;
}

.su-copy-trigger {
  flex-shrink: 0;
}

.su-code-widget__footer {
  margin-top: 14px;
}

.su-code-widget__footer p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

/* ===== SECTIONS ===== */
.su-section {
  padding: 72px 0;
}

.su-section--alt {
  background: var(--surface);
}

.su-heading {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
  color: var(--text);
}

.su-subtext {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 36px;
  max-width: 680px;
}

.su-cta-row {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

/* ===== STEPS GRID ===== */
.su-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.su-step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  transition: border-color var(--transition), transform var(--transition);
}

.su-section--alt .su-step-card {
  background: var(--surface2);
}

.su-step-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.su-step-card__num {
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: var(--text);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  margin-bottom: 16px;
}

.su-step-card__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.su-step-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

/* ===== DETAIL CARDS ===== */
.su-detail-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.su-detail-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}

.su-detail-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.su-detail-card__icon {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}

.su-detail-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.su-detail-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* ===== INFO BOX ===== */
.su-info-box {
  background: var(--surface2);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 20px 24px;
  margin-top: 32px;
}

.su-info-box p {
  font-size: 15px;
  color: var(--muted);
}

/* ===== TABLES ===== */
.su-terms-table-wrap,
.su-codes-table-wrap,
.su-compare-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 24px;
}

.su-terms-table,
.su-codes-table,
.su-compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.su-terms-table th,
.su-codes-table th,
.su-compare-table th {
  background: var(--surface2);
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.su-terms-table td,
.su-codes-table td,
.su-compare-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}

.su-terms-table tbody tr:hover,
.su-codes-table tbody tr:hover,
.su-compare-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.su-section--alt .su-terms-table th,
.su-section--alt .su-codes-table th,
.su-section--alt .su-compare-table th {
  background: var(--bg);
}

.su-code-inline {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  background: var(--code-bg);
  padding: 4px 10px;
  border-radius: 4px;
  color: var(--accent-light);
  white-space: nowrap;
}

.su-status-ok {
  color: var(--success);
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
}

/* ===== PROMO CARDS ===== */
.su-promo-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.su-promo-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: border-color var(--transition);
}

.su-promo-card:hover {
  border-color: var(--accent);
}

.su-promo-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.su-promo-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

/* ===== ACCORDION (FAQ) ===== */
.su-accordion {
  max-width: 780px;
  margin: 0 auto;
}

.su-accordion__item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 8px;
  overflow: hidden;
  background: var(--surface);
  transition: border-color var(--transition);
}

.su-accordion__item:hover {
  border-color: var(--accent);
}

.su-accordion__item[open] {
  border-color: var(--accent);
}

.su-accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.su-accordion__trigger::-webkit-details-marker {
  display: none;
}

.su-accordion__trigger::after {
  content: '';
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

.su-accordion__item[open] .su-accordion__trigger::after {
  transform: rotate(-135deg);
}

.su-accordion__panel {
  padding: 0 24px 20px;
  animation: su-fade-in 0.3s ease;
}

.su-accordion__panel p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

@keyframes su-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== UPDATED BAR ===== */
.su-updated-bar {
  padding: 24px 0;
}

.su-updated-text {
  font-size: 14px;
  color: var(--muted);
  text-align: center;
}

/* ===== PROMO PAGE HERO ===== */
.su-promo-hero {
  padding: calc(var(--header-h) + 40px) 0 56px;
  background: var(--bg);
  text-align: center;
}

.su-promo-hero__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 12px;
}

.su-promo-hero__sub {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== BREADCRUMB ===== */
.su-breadcrumb {
  margin-bottom: 24px;
}

.su-breadcrumb ol {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
}

.su-breadcrumb li {
  font-size: 13px;
  color: var(--muted);
}

.su-breadcrumb li a {
  color: var(--muted);
}

.su-breadcrumb li a:hover {
  color: var(--text);
}

.su-breadcrumb li + li::before {
  content: '›';
  margin-right: 8px;
  color: var(--border);
}

/* ===== ORDERED STEPS ===== */
.su-ordered-steps {
  counter-reset: step-counter;
  max-width: 780px;
}

.su-ordered-steps li {
  counter-increment: step-counter;
  position: relative;
  padding: 24px 24px 24px 72px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  transition: border-color var(--transition);
}

.su-ordered-steps li:hover {
  border-color: var(--accent);
}

.su-ordered-steps li::before {
  content: counter(step-counter);
  position: absolute;
  left: 20px;
  top: 24px;
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: var(--text);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
}

.su-ordered-steps h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.su-ordered-steps p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

/* ===== TROUBLE LIST ===== */
.su-trouble-list {
  margin-top: 20px;
}

.su-trouble-list li {
  position: relative;
  padding: 12px 0 12px 20px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
  border-bottom: 1px solid var(--border);
}

.su-trouble-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.su-trouble-list li strong {
  color: var(--text);
}

/* ===== LEGAL PAGE ===== */
.su-legal-page {
  padding-top: calc(var(--header-h) + 48px);
}

.su-legal-page h2 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 32px 0 12px;
  color: var(--text);
}

.su-legal-page h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 20px 0 8px;
  color: var(--text);
}

.su-legal-page p {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 12px;
}

.su-legal-page ul {
  margin: 12px 0 12px 20px;
}

.su-legal-page ul li {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
  padding: 4px 0;
  list-style: disc;
}

.su-legal-date {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 32px;
}

/* ===== FOOTER ===== */
.su-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}

.su-footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.su-footer__brand img {
  margin-bottom: 12px;
}

.su-footer__tagline {
  font-size: 13px;
  color: var(--muted);
  max-width: 300px;
  line-height: 1.6;
}

.su-footer__links ul {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.su-footer__links a {
  font-size: 14px;
  color: var(--muted);
  transition: color var(--transition);
}

.su-footer__links a:hover {
  color: var(--text);
}

.su-footer__warning {
  margin-bottom: 24px;
}

.su-warning-banner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(245, 165, 36, 0.08);
  border: 1px solid rgba(245, 165, 36, 0.25);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.su-warning-icon {
  font-size: 18px;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}

.su-warning-banner p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

.su-warning-banner a {
  color: var(--warning);
}

.su-footer__badges {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.su-footer__badges img {
  opacity: 0.7;
  transition: opacity var(--transition);
}

.su-footer__badges img:hover {
  opacity: 1;
}

.su-footer__bottom p {
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  opacity: 0.7;
}

/* ===== SCROLL TO TOP ===== */
.su-scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  background: var(--accent);
  color: var(--text);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition);
  z-index: 900;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.su-scroll-top--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.su-scroll-top:hover {
  background: var(--accent-light);
  box-shadow: var(--shadow-accent);
  transform: translateY(-2px);
}

/* ===== CONTENT PARAGRAPHS ===== */
.su-content-narrow p {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 16px;
  line-height: 1.7;
}

.su-content-narrow p strong {
  color: var(--text);
  font-weight: 600;
}

.su-content-narrow p:last-child {
  margin-bottom: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .su-hero__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .su-hero__visual {
    order: 2;
    max-width: 360px;
    margin: 0 auto;
    display: none;
  }

  .su-hero__content {
    order: 1;
  }

  .su-detail-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .su-promo-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 64px;
  }

  .su-contain {
    padding: 0 16px;
  }

  .su-masthead__nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 16px;
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    pointer-events: none;
  }

  .su-masthead__nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .su-nav-list {
    flex-direction: column;
    gap: 4px;
  }

  .su-nav-link {
    width: 100%;
    padding: 12px 16px;
  }

  .su-burger {
    display: flex;
  }

  .su-masthead__actions .su-btn {
    display: none;
  }

  .su-hero {
    padding: calc(var(--header-h) + 32px) 0 48px;
  }

  .su-hero__title {
    font-size: 1.45rem;
  }

  .su-hero__ctas {
    flex-direction: column;
  }

  .su-hero__ctas .su-btn {
    width: 100%;
  }

  .su-code-widget {
    max-width: 100%;
  }

  .su-code-widget__body {
    flex-direction: column;
  }

  .su-code-display {
    text-align: center;
    justify-content: center;
    font-size: 1.2rem;
  }

  .su-section {
    padding: 48px 0;
  }

  .su-heading {
    font-size: 1.25rem;
  }

  .su-steps-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .su-footer__top {
    flex-direction: column;
    gap: 24px;
  }

  .su-footer__links ul {
    flex-direction: column;
    gap: 12px;
  }

  .su-scroll-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }

  .su-codes-table {
    font-size: 14px;
  }

  .su-codes-table th,
  .su-codes-table td {
    padding: 10px 12px;
  }

  .su-ordered-steps li {
    padding-left: 60px;
  }

  .su-ordered-steps li::before {
    left: 14px;
    width: 32px;
    height: 32px;
    font-size: 14px;
  }

  .su-promo-hero {
    padding: calc(var(--header-h) + 28px) 0 40px;
  }
}

@media (max-width: 480px) {
  .su-hero__title {
    font-size: 1.3rem;
  }

  .su-hero__subtitle {
    font-size: 0.95rem;
  }

  .su-code-display {
    font-size: 1.1rem;
    padding: 12px 16px;
  }

  .su-detail-card {
    padding: 24px 20px;
  }
}