/* ==========================================================================
   Nexium API — Design system
   Softswiss / GR8-style B2B dark tech
   ========================================================================== */

:root {
  /* Core tokens */
  --bg: #070B12;
  --bg-elevated: #0C121C;
  --bg-soft: #101826;
  --bg-card: #0E1520;
  --surface: rgba(255, 255, 255, 0.03);
  --surface-hover: rgba(255, 255, 255, 0.055);
  --border: rgba(154, 168, 184, 0.14);
  --border-strong: rgba(154, 168, 184, 0.28);

  --accent: #0EE6A5;
  --accent-dim: rgba(14, 230, 165, 0.14);
  --accent-strong: #0AFFB4;
  --accent-ink: #070B12;

  --secondary: #1A9BFF;
  --secondary-dim: rgba(26, 155, 255, 0.14);

  --text: #F4F7FB;
  --text-muted: #B6C2D0;
  --text-faint: #9AA8B8;

  --danger: #FF5C7A;
  --success: #0EE6A5;

  /* Typography */
  --font-display: "Syne", "Arial Black", sans-serif;
  --font-body: "DM Sans", "Segoe UI", sans-serif;

  --fs-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.8125rem);
  --fs-sm: clamp(0.875rem, 0.82rem + 0.25vw, 0.9375rem);
  --fs-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --fs-md: clamp(1.0625rem, 1rem + 0.3vw, 1.125rem);
  --fs-lg: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  --fs-xl: clamp(1.5rem, 1.25rem + 1vw, 2rem);
  --fs-2xl: clamp(1.875rem, 1.4rem + 1.8vw, 2.75rem);
  --fs-3xl: clamp(2.25rem, 1.6rem + 2.6vw, 3.5rem);
  --fs-hero: clamp(2.5rem, 1.7rem + 3.4vw, 4.25rem);

  --lh-tight: 1.15;
  --lh-snug: 1.3;
  --lh-body: 1.6;

  /* Layout */
  --container: 72rem;
  --gutter: clamp(1.25rem, 4vw, 2rem);
  --section-y: clamp(4rem, 8vw, 7rem);
  --radius-sm: 0.375rem;
  --radius: 0.625rem;
  --radius-lg: 1rem;
  --header-h: 4.25rem;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-accent: 0 0 0 1px rgba(14, 230, 165, 0.25);
  --focus-ring: 0 0 0 3px rgba(14, 230, 165, 0.35);

  color-scheme: dark;
}

/* --------------------------------------------------------------------------
   Reset / base
   -------------------------------------------------------------------------- */

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-optical-sizing: auto;
  line-height: var(--lh-body);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
  color: var(--text);
}

p {
  color: var(--text-muted);
}

:focus {
  outline: none;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

::selection {
  background: rgba(14, 230, 165, 0.28);
  color: var(--text);
}

/* --------------------------------------------------------------------------
   Atmosphere utilities
   -------------------------------------------------------------------------- */

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1000;
  padding: 0.75rem 1rem;
  min-height: 44px;
  font-weight: 600;
  color: var(--accent-ink);
  background: var(--accent);
  border-radius: var(--radius-sm);
  transform: translateY(-160%);
  transition: transform 0.2s var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  box-shadow: var(--focus-ring);
}

.container {
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: var(--section-y);
}

.section--tight {
  padding-block: clamp(2.5rem, 5vw, 4rem);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-head {
  max-width: 40rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.section-head h2 {
  font-size: var(--fs-2xl);
  margin-bottom: 0.75rem;
}

.section-head p {
  font-size: var(--fs-md);
  max-width: 36rem;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(7, 11, 18, 0.78);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.site-header.is-scrolled,
.site-header[data-scrolled="true"] {
  border-bottom-color: var(--border);
  background: rgba(7, 11, 18, 0.92);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: var(--header-h);
}

.logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  min-height: 44px;
}

.logo img {
  width: 148px;
  height: 32px;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

.nav-desktop a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 0.85rem;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.nav-desktop a:hover,
.nav-desktop a[aria-current="page"] {
  color: var(--text);
  background: var(--surface);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 44px;
  padding: 0.25rem 0.5rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
}

.lang-current {
  color: var(--text);
  padding: 0.2rem 0.35rem;
}

.lang-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  min-height: 32px;
  padding: 0.2rem 0.45rem;
  color: var(--text-muted);
  border-radius: 999px;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.lang-link:hover {
  color: var(--accent-ink);
  background: var(--accent);
}

.header-cta {
  display: none;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}

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

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

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

.nav-mobile {
  position: absolute;
  inset: var(--header-h) 0 auto;
  padding: 1rem var(--gutter) 1.5rem;
  background: rgba(7, 11, 18, 0.97);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav-mobile[hidden] {
  display: none !important;
}

.nav-mobile nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  max-width: var(--container);
  margin-inline: auto;
}

.nav-mobile a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0.75rem 1rem;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius);
  transition: background 0.2s var(--ease);
}

.nav-mobile a:hover {
  background: var(--surface);
  color: var(--accent);
}

.nav-mobile .btn {
  margin-top: 0.5rem;
  justify-content: center;
}

body.nav-open {
  overflow: hidden;
}

@media (min-width: 900px) {
  .nav-desktop {
    display: flex;
  }

  .header-cta {
    display: inline-flex;
  }

  .nav-toggle,
  .nav-mobile {
    display: none !important;
  }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.35rem;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-align: center;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  cursor: pointer;
  transition:
    background 0.2s var(--ease),
    border-color 0.2s var(--ease),
    color 0.2s var(--ease),
    transform 0.2s var(--ease);
}

.btn:hover {
  color: var(--text);
  border-color: rgba(244, 247, 251, 0.35);
  background: var(--surface-hover);
}

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

.btn-primary {
  color: var(--accent-ink);
  background: var(--accent);
  border-color: var(--accent);
}

.btn-primary:hover {
  color: var(--accent-ink);
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.btn-secondary {
  color: var(--text);
  background: var(--secondary-dim);
  border-color: rgba(26, 155, 255, 0.45);
}

.btn-secondary:hover {
  color: var(--text);
  background: rgba(26, 155, 255, 0.22);
  border-color: var(--secondary);
}

.btn-ghost {
  border-color: transparent;
  background: transparent;
  color: var(--text-muted);
}

.btn-ghost:hover {
  color: var(--text);
  background: var(--surface);
}

.btn-sm {
  min-height: 40px;
  padding: 0.5rem 1rem;
  font-size: var(--fs-xs);
}

.btn-lg {
  min-height: 52px;
  padding: 0.9rem 1.6rem;
  font-size: var(--fs-base);
}

.btn-group,
.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

/* --------------------------------------------------------------------------
   Hero (full-bleed atmosphere)
   -------------------------------------------------------------------------- */

.hero,
.page-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(4.5rem, 12vw, 8.5rem) clamp(3.5rem, 8vw, 6rem);
  background:
    radial-gradient(ellipse 70% 55% at 75% 15%, rgba(14, 230, 165, 0.1), transparent 55%),
    radial-gradient(ellipse 55% 50% at 10% 85%, rgba(26, 155, 255, 0.08), transparent 50%),
    linear-gradient(180deg, #070B12 0%, #0A1018 55%, #070B12 100%);
}

.hero::before,
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(154, 168, 184, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(154, 168, 184, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 75% 70% at 50% 35%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 75% 70% at 50% 35%, #000 20%, transparent 75%);
  pointer-events: none;
}

.hero::after,
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  pointer-events: none;
  mix-blend-mode: soft-light;
}

.hero .container,
.page-hero .container {
  position: relative;
}

.hero-brand,
.page-hero .eyebrow {
  margin-bottom: 1rem;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 1.2rem + 2vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: var(--lh-tight);
  color: var(--text);
}

.hero-brand span,
.hero .brand-mark {
  color: var(--accent);
}

.hero h1,
.hero-headline,
.page-hero h1 {
  max-width: 16ch;
  font-size: var(--fs-hero);
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: 1.15rem;
  color: var(--text);
}

.hero-sub,
.page-hero .lead,
.page-hero p.lead,
.page-hero > .container > p {
  max-width: 36rem;
  font-size: var(--fs-lg);
  line-height: var(--lh-snug);
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

.hero-actions {
  margin-top: 0.25rem;
}

.page-hero {
  padding-block: clamp(3.5rem, 9vw, 6rem) clamp(2.5rem, 6vw, 4rem);
}

.page-hero h1 {
  max-width: 18ch;
  font-size: var(--fs-3xl);
}

/* --------------------------------------------------------------------------
   Product / deploy / why grids (cards OK here)
   -------------------------------------------------------------------------- */

.product-grid,
.deploy-grid,
.why-grid,
.feature-grid,
.solution-grid {
  display: grid;
  gap: 1rem;
}

.product-grid {
  grid-template-columns: 1fr;
}

.deploy-grid,
.why-grid,
.feature-grid {
  grid-template-columns: 1fr;
}

.product-card,
.deploy-card,
.why-card,
.feature-card,
.solution-card,
.option-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 1.35rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition:
    border-color 0.25s var(--ease),
    background 0.25s var(--ease),
    transform 0.25s var(--ease);
}

.product-card:hover,
.deploy-card:hover,
.why-card:hover,
.feature-card:hover,
.solution-card:hover {
  border-color: rgba(14, 230, 165, 0.35);
  background: linear-gradient(180deg, rgba(14, 230, 165, 0.04), transparent 60%), var(--bg-card);
  transform: translateY(-2px);
}

.product-card h3,
.deploy-card h3,
.why-card h3,
.feature-card h3,
.solution-card h3 {
  font-size: var(--fs-lg);
}

.product-card p,
.deploy-card p,
.why-card p,
.feature-card p,
.solution-card p {
  font-size: var(--fs-sm);
}

.product-card::before,
.deploy-card::before {
  content: "";
  width: 2rem;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  border-radius: 1px;
}

.solution-card {
  gap: 0.85rem;
}

.solution-card .lead,
.solution-card > p:first-of-type {
  color: var(--text);
  font-size: var(--fs-base);
}

.solution-card ul,
.points {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.solution-card li,
.points li {
  position: relative;
  padding-left: 1.15rem;
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.solution-card li::before,
.points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

@media (min-width: 640px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .deploy-grid,
  .why-grid,
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .why-grid,
  .feature-grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

/* --------------------------------------------------------------------------
   Providers / scope band
   -------------------------------------------------------------------------- */

.providers-band,
.scope-band {
  padding-block: clamp(2.5rem, 5vw, 4rem);
  border-block: 1px solid var(--border);
  background: var(--bg-elevated);
}

.providers-marquee {
  margin-top: 1.5rem;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.providers-track {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  width: max-content;
  animation: nx-marquee 28s linear infinite;
}

.providers-marquee:hover .providers-track {
  animation-play-state: paused;
}

.providers-track img {
  width: 160px;
  height: 40px;
  object-fit: contain;
  opacity: 0.88;
  filter: grayscale(0.12);
  flex: 0 0 auto;
}

@media (max-width: 899px) {
  .providers-track { gap: 1.6rem; }
  .providers-track img { width: 132px; height: 34px; }
}

@keyframes nx-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .providers-track { animation: none; flex-wrap: wrap; width: auto; justify-content: center; }
}

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

/* --------------------------------------------------------------------------
   CTA band
   -------------------------------------------------------------------------- */

.cta-band {
  position: relative;
  isolation: isolate;
  padding-block: clamp(3.5rem, 7vw, 5.5rem);
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 80% at 50% 100%, rgba(14, 230, 165, 0.12), transparent 60%),
    radial-gradient(ellipse 40% 60% at 85% 20%, rgba(26, 155, 255, 0.1), transparent 55%),
    var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(154, 168, 184, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(154, 168, 184, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
  pointer-events: none;
}

.cta-band h2 {
  font-size: var(--fs-2xl);
  margin-bottom: 0.75rem;
}

.cta-band p {
  max-width: 32rem;
  margin-inline: auto;
  margin-bottom: 1.5rem;
  font-size: var(--fs-md);
}

.product-card-link,
.deploy-card-link {
  margin-top: auto;
  padding-top: 0.35rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--accent);
}

.product-card-link:hover,
.deploy-card-link:hover {
  color: var(--accent-strong);
}

.section-eyebrow {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-title {
  font-size: var(--fs-2xl);
  margin-bottom: 0.75rem;
}

.section-sub {
  font-size: var(--fs-md);
  max-width: 36rem;
}

.options-title {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-size: var(--fs-xl);
}

/* --------------------------------------------------------------------------
   Platforms table
   -------------------------------------------------------------------------- */

.platform-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}

.platform-table {
  width: 100%;
  min-width: 36rem;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}

.platform-table th,
.platform-table td {
  padding: 1rem 1.15rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

.platform-table th {
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
  white-space: nowrap;
}

.platform-table tbody tr:last-child td {
  border-bottom: 0;
}

.platform-table tbody tr {
  transition: background 0.2s var(--ease);
}

.platform-table tbody tr:hover {
  background: var(--surface);
}

.platform-table tbody th {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
  color: var(--text);
  background: transparent;
  white-space: normal;
}

.platform-table td:last-child {
  color: var(--accent);
}

.platforms-note,
.legal-note {
  margin-top: 1.25rem;
  font-size: var(--fs-sm);
  color: var(--text-faint);
  max-width: 48rem;
}

.options-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.options-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  min-height: 44px;
  padding: 0.9rem 1.1rem;
  font-weight: 500;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.options-list li::before {
  content: "";
  flex-shrink: 0;
  width: 0.55rem;
  height: 0.55rem;
  margin-top: 0.4em;
  border-radius: 50%;
  background: var(--secondary);
  box-shadow: 0 0 0 4px var(--secondary-dim);
}

@media (min-width: 640px) {
  .options-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --------------------------------------------------------------------------
   Contact panel
   -------------------------------------------------------------------------- */

.contact-panel {
  position: relative;
  max-width: 36rem;
  margin-inline: auto;
  padding: clamp(1.75rem, 4vw, 2.5rem);
  text-align: center;
  background:
    linear-gradient(160deg, rgba(14, 230, 165, 0.08), transparent 45%),
    var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-accent);
}

.contact-panel .handle,
.contact-handle {
  display: inline-block;
  margin: 0.75rem 0 1.25rem;
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.contact-panel .hint,
.contact-hint {
  margin-top: 1.25rem;
  font-size: var(--fs-sm);
  color: var(--text-faint);
}

.contact-panel .btn {
  width: 100%;
  max-width: 20rem;
}

@media (min-width: 480px) {
  .contact-panel .btn {
    width: auto;
  }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: #05080E;
  border-top: 1px solid var(--border);
  padding-bottom: 2rem;
}

.footer-providers {
  padding-block: 2rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.footer-providers-label {
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.footer-providers-note {
  font-size: var(--fs-sm);
  color: var(--text-faint);
  max-width: 40rem;
  margin-bottom: 1.25rem;
}

.footer-main {
  display: grid;
  gap: 2.5rem;
  padding-block: 2.5rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-width: 22rem;
}

.footer-brand p {
  font-size: var(--fs-sm);
}

.footer-telegram {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--accent);
}

.footer-telegram:hover {
  color: var(--accent-strong);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.footer-cols h3 {
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.footer-cols ul {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.footer-cols a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

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

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  font-size: var(--fs-xs);
  color: var(--text-faint);
}

.footer-disclaimer {
  max-width: 48rem;
  line-height: 1.5;
}

@media (min-width: 768px) {
  .footer-main {
    grid-template-columns: 1.2fr 1fr;
    align-items: start;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
  }
}

/* --------------------------------------------------------------------------
   Main landmark / page chrome
   -------------------------------------------------------------------------- */

#main,
main {
  display: block;
  outline: none;
}

.page-section-cta {
  margin-top: 2.5rem;
}

.text-center {
  text-align: center;
}

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

/* Reveal class is optional enhancement — content stays visible without JS */
.js-ready [data-reveal] {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* --------------------------------------------------------------------------
   Tables / misc forms (defensive)
   -------------------------------------------------------------------------- */

table {
  border-spacing: 0;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* --------------------------------------------------------------------------
   Large screens
   -------------------------------------------------------------------------- */

@media (min-width: 1200px) {
  :root {
    --header-h: 4.5rem;
  }

  .hero h1 {
    max-width: 16ch;
  }
}

/* --- Demo grid (v4) --- */
.section-demos{padding-block:clamp(3.5rem,8vw,5.5rem)}
.demo-grid{
  list-style:none;margin:0;padding:0;
  display:grid;gap:1rem;
  grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
}
.demo-card{
  border:1px solid rgba(125,211,252,.16);
  border-radius:16px;padding:1.15rem 1.2rem 1.25rem;
  background:linear-gradient(180deg,rgba(18,28,46,.9),rgba(10,16,28,.88));
  display:flex;flex-direction:column;gap:.55rem;
  transition:border-color .2s, transform .2s;
}
.demo-card:hover{border-color:rgba(94,234,212,.35);transform:translateY(-2px)}
.demo-card-top{display:flex;justify-content:space-between;align-items:center;gap:.5rem}
.demo-card-id{
  font-size:.72rem;letter-spacing:.12em;font-weight:700;color:#5eead4;text-transform:uppercase
}
.demo-card-tag{
  font-size:.72rem;color:#B6C2D0;border:1px solid rgba(182,194,208,.28);
  border-radius:999px;padding:.2rem .55rem
}
.demo-card-title{
  font-family:Syne,sans-serif;font-size:1.05rem;font-weight:700;margin:0;color:#e8eef7
}
.demo-card-host{margin:0;font-size:.78rem;color:#A8B4C2;word-break:break-all}
.demo-card-btn{margin-top:auto;align-self:flex-start;font-size:.85rem;padding:.55rem .95rem}
.section-seo-copy .narrow{max-width:46rem}
.seo-body{margin:0;color:#B6C2D0;line-height:1.75;font-size:1.02rem}
/* --- SEO guides / FAQ / press (v5) --- */
.narrow{max-width:46rem}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:.4rem;align-items:center;font-size:.82rem;color:#A8B4C2;margin:0 0 1rem}
.breadcrumbs a{color:#5eead4;text-decoration:none}
.guide-block{margin:0 0 2rem}
.guide-block h2{font-family:Syne,sans-serif;font-size:1.35rem;margin:0 0 .75rem;color:#e8eef7}
.guide-block p{color:#B6C2D0;line-height:1.75;margin:0 0 .85rem}
.guide-related{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid rgba(125,211,252,.14)}
.guide-related-list{margin:.75rem 0 0;padding:0;list-style:none}
.guide-related-list li{margin:0 0 .45rem}
.guide-related-list a{color:#38bdf8;text-decoration:none}
.faq-list{display:grid;gap:.75rem}
.faq-item{border:1px solid rgba(125,211,252,.16);border-radius:14px;padding:.85rem 1rem;background:rgba(14,22,36,.75)}
.faq-item summary{cursor:pointer;font-weight:700;color:#e8eef7}
.faq-item p{margin:.75rem 0 0;color:#B6C2D0;line-height:1.65}
.press-blurb{white-space:pre-wrap;word-break:break-word;background:rgba(0,0,0,.35);border:1px solid rgba(125,211,252,.14);border-radius:12px;padding:1rem;color:#c6d4ea;font-size:.9rem;overflow:auto}

/* --- SEO pack v6: blog, chips, CWV --- */
.seo-chip-list{display:flex;flex-wrap:wrap;gap:.55rem;margin:1rem 0 0;padding:0;list-style:none}
.seo-chip{
  display:inline-block;padding:.45rem .8rem;border-radius:999px;
  border:1px solid rgba(125,211,252,.28);color:#7dd3fc;text-decoration:none;font-size:.88rem;
  background:rgba(8,16,28,.55)
}
.seo-chip:hover{border-color:rgba(94,234,212,.55);color:#5eead4}
.seo-links-title{margin:1.25rem 0 0;color:#c6d4ea;font-weight:600}
.seo-extra .seo-body{margin-top:.85rem}
.blog-grid{display:grid;gap:1.1rem;list-style:none;margin:0;padding:0;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.blog-card{
  border:1px solid rgba(125,211,252,.14);border-radius:16px;padding:1.1rem 1.15rem;
  background:rgba(10,16,28,.72);content-visibility:auto;contain-intrinsic-size:280px
}
.blog-card-meta{margin:0 0 .45rem;color:#A8B4C2;font-size:.82rem}
.blog-card-title{font-family:Syne,sans-serif;font-size:1.15rem;margin:0 0 .55rem;line-height:1.35}
.blog-card-title a{color:#e8eef7;text-decoration:none}
.blog-card-title a:hover{color:#5eead4}
.blog-card-text{color:#B6C2D0;line-height:1.65;margin:0 0 .85rem;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.article-meta{color:#A8B4C2;font-size:.9rem;margin:0 0 1rem}
.article .guide-block ul{margin:.4rem 0 1rem;padding-left:1.15rem;color:#B6C2D0;line-height:1.65}
.sitemap-html h2{margin:1.75rem 0 .6rem;font-family:Syne,sans-serif;font-size:1.2rem}
.sitemap-html ul{margin:0 0 1rem;padding-left:1.1rem;line-height:1.7}
.sitemap-html a{color:#38bdf8;text-decoration:none}
.section-demos .demo-card,.section-products .product-card,.section-why .why-card{content-visibility:auto;contain-intrinsic-size:220px}
@media (prefers-reduced-motion: reduce){
}
[data-reveal]{opacity:0;transform:translateY(10px);transition:opacity .45s var(--ease),transform .45s var(--ease)}
[data-reveal].is-visible,.js-ready [data-reveal].is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  [data-reveal]{opacity:1;transform:none;transition:none}
}