/* ============================================================
   Skycon — Design System
   Modern enterprise redesign (2026)
   ============================================================ */

:root {
  /* Brand */
  --brand: #265df2;
  --brand-strong: #1b4ad1;
  --brand-light: #5b8cff;
  --sky: #38bdf8;

  /* Light theme surfaces */
  --bg: #ffffff;
  --bg-soft: #f5f7fc;
  --surface: #ffffff;
  --surface-2: #f0f3fa;
  --border: #e4e9f4;
  --text: #0b1530;
  --text-2: #4a5572;
  --text-3: #8a93ad;
  --brand-soft: rgba(38, 93, 242, 0.08);
  --brand-soft-2: rgba(38, 93, 242, 0.14);

  /* Navy (hero / dark bands, both themes) */
  --navy-1: #070d1f;
  --navy-2: #0b1631;
  --navy-3: #122148;
  --on-navy: #eef2ff;
  --on-navy-2: #aab6d8;
  --navy-border: rgba(140, 165, 255, 0.16);

  --radius-s: 10px;
  --radius: 16px;
  --radius-l: 24px;
  --shadow-s: 0 1px 2px rgba(11, 21, 48, 0.05), 0 4px 12px rgba(11, 21, 48, 0.05);
  --shadow-m: 0 6px 24px rgba(11, 21, 48, 0.09);
  --shadow-l: 0 16px 48px rgba(11, 21, 48, 0.14);

  --font-display: "Sora", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --header-h: 72px;
  --container: 1180px;
}

[data-theme="dark"] {
  --bg: #070d1d;
  --bg-soft: #0a1226;
  --surface: #0e1730;
  --surface-2: #131f3e;
  --border: #1d2a4e;
  --text: #edf1fb;
  --text-2: #a9b4d0;
  --text-3: #6e7a9b;
  --brand: #5b8cff;
  --brand-strong: #7aa2ff;
  --brand-soft: rgba(91, 140, 255, 0.1);
  --brand-soft-2: rgba(91, 140, 255, 0.18);
  --shadow-s: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-m: 0 6px 24px rgba(0, 0, 0, 0.35);
  --shadow-l: 0 16px 48px rgba(0, 0, 0, 0.45);
}

/* ---------- Base ---------- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--brand);
  text-decoration: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.18;
  margin: 0 0 0.5em;
  letter-spacing: -0.015em;
  color: var(--text);
}

p {
  margin: 0 0 1em;
}

.container {
  width: min(var(--container), 100% - 48px);
  margin-inline: auto;
}

.accent {
  color: var(--brand);
}

::selection {
  background: var(--brand);
  color: #fff;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
  white-space: nowrap;
}

.btn svg {
  width: 17px;
  height: 17px;
  flex: none;
  transition: transform 0.18s ease;
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 6px 18px rgba(38, 93, 242, 0.32);
}

.btn-primary:hover {
  background: var(--brand-strong);
  transform: translateY(-2px);
  color: #fff;
}

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

.btn-ghost:hover {
  border-color: var(--brand);
  color: var(--brand);
  transform: translateY(-2px);
}

.btn-ghost.on-dark {
  color: var(--on-navy);
  border-color: rgba(170, 182, 216, 0.4);
}

.btn-ghost.on-dark:hover {
  border-color: #fff;
  color: #fff;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled,
.site-header.solid {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}

/* Transparent state over navy hero: light text */
.site-header.over-hero:not(.scrolled) {
  --hdr-text: var(--on-navy);
}

.site-header {
  --hdr-text: var(--text);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
}

.brand img {
  height: 38px;
  width: auto;
}

.brand span {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--hdr-text);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  padding: 8px 13px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--hdr-text);
  opacity: 0.85;
  border-radius: 8px;
  transition: opacity 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.main-nav a:hover {
  opacity: 1;
  background: var(--brand-soft);
  color: var(--brand);
}

.site-header.over-hero:not(.scrolled) .main-nav a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.main-nav a.active {
  color: var(--brand);
  opacity: 1;
}

.site-header.over-hero:not(.scrolled) .main-nav a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Language switch */
.lang-switch {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  background: color-mix(in srgb, var(--bg) 60%, transparent);
}

.site-header.over-hero:not(.scrolled) .lang-switch {
  border-color: rgba(170, 182, 216, 0.35);
  background: rgba(255, 255, 255, 0.06);
}

.lang-switch button {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 6px 12px;
  font: 600 12.5px var(--font-body);
  letter-spacing: 0.04em;
  color: var(--hdr-text);
  opacity: 0.65;
  cursor: pointer;
  transition: background 0.15s ease, opacity 0.15s ease;
}

.lang-switch button.active {
  background: var(--brand);
  color: #fff;
  opacity: 1;
}

/* Theme toggle */
.theme-toggle {
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--hdr-text);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.site-header.over-hero:not(.scrolled) .theme-toggle {
  border-color: rgba(170, 182, 216, 0.35);
}

.theme-toggle:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.theme-toggle svg {
  width: 17px;
  height: 17px;
}

[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
.theme-toggle .icon-sun { display: none; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  cursor: pointer;
  place-items: center;
  color: var(--hdr-text);
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
}

.nav-toggle .icon-close { display: none; }
body.nav-open .nav-toggle .icon-close { display: block; }
body.nav-open .nav-toggle .icon-menu { display: none; }

/* ---------- Hero (home) ---------- */

.hero {
  position: relative;
  background: radial-gradient(1100px 600px at 78% -10%, rgba(38, 93, 242, 0.4), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(56, 189, 248, 0.18), transparent 55%),
    linear-gradient(165deg, var(--navy-2) 0%, var(--navy-1) 70%);
  color: var(--on-navy);
  padding: calc(var(--header-h) + 96px) 0 96px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(140, 165, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 165, 255, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  max-width: 880px;
  text-align: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-light);
  margin-bottom: 22px;
}

.kicker::before,
.kicker::after {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
}

.hero h1 {
  font-size: clamp(34px, 5.4vw, 58px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 22px;
}

.hero h1 .accent {
  background: linear-gradient(100deg, #6ea0ff, #38bdf8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  font-size: clamp(16px, 1.9vw, 19px);
  color: var(--on-navy-2);
  max-width: 680px;
  margin: 0 auto 38px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Stats row inside hero bottom */
.hero-stats {
  position: relative;
  margin-top: 78px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--navy-border);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.hero-stats .stat {
  background: rgba(11, 22, 49, 0.6);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  padding: 26px 14px;
  text-align: center;
}

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
}

.stat-num em {
  font-style: normal;
  color: var(--brand-light);
}

.stat-label {
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--on-navy-2);
  margin-top: 6px;
}

/* ---------- Page hero (inner pages) ---------- */

.page-hero {
  background: radial-gradient(900px 420px at 85% -20%, rgba(38, 93, 242, 0.38), transparent 60%),
    linear-gradient(160deg, var(--navy-2), var(--navy-1));
  color: var(--on-navy);
  padding: calc(var(--header-h) + 72px) 0 72px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(140, 165, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 165, 255, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 90% at 50% 0%, #000 20%, transparent 80%);
  pointer-events: none;
}

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

.page-hero h1 {
  font-size: clamp(32px, 4.6vw, 48px);
  color: #fff;
  margin-bottom: 10px;
}

.page-hero p {
  font-size: 17.5px;
  color: var(--on-navy-2);
  max-width: 640px;
  margin: 0;
}

/* ---------- Sections ---------- */

.section {
  padding: 96px 0;
}

.section.soft {
  background: var(--bg-soft);
}

.section-head {
  max-width: 720px;
  margin-bottom: 56px;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.section-head .kicker {
  color: var(--brand);
  margin-bottom: 14px;
}

.section-head.center .kicker::before,
.section-head.center .kicker::after {
  opacity: 0.4;
}

.section-head:not(.center) .kicker::before {
  display: none;
}

.section-head h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 700;
}

.section-head p {
  color: var(--text-2);
  font-size: 17px;
  margin: 10px 0 0;
}

/* ---------- Logo marquee ---------- */

.clients {
  padding: 44px 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.clients-label {
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 28px;
}

.marquee {
  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);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 64px;
  width: max-content;
  animation: marquee 42s linear infinite;
}

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

.marquee-track img {
  height: 34px;
  width: auto;
  max-width: 130px;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.55;
  transition: filter 0.2s ease, opacity 0.2s ease;
}

[data-theme="dark"] .marquee-track img {
  filter: grayscale(1) invert(0.88) brightness(1.4);
}

.marquee-track img:hover {
  filter: none;
  opacity: 1;
}

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

/* ---------- About ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: start;
}

.about-copy p {
  color: var(--text-2);
  font-size: 16.5px;
}

.pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.pillar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow-s);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.pillar:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-m);
  border-color: var(--brand-soft-2);
}

.pillar h3 {
  font-size: 16.5px;
  margin: 14px 0 8px;
}

.pillar p {
  font-size: 14px;
  color: var(--text-2);
  margin: 0;
}

.icon-chip {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--brand-soft);
  color: var(--brand);
}

.icon-chip svg {
  width: 22px;
  height: 22px;
}

/* ---------- Services ---------- */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: var(--shadow-s);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-m);
  border-color: var(--brand-soft-2);
}

.service-card h3 {
  font-size: 17.5px;
  margin: 18px 0 10px;
}

.service-card p {
  font-size: 14.5px;
  color: var(--text-2);
  margin: 0;
}

/* ---------- Products ---------- */

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.product-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  padding: 34px 30px;
  box-shadow: var(--shadow-s);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.product-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--brand), var(--sky));
  opacity: 0;
  transition: opacity 0.2s ease;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-m);
  border-color: var(--brand-soft-2);
}

.product-card:hover::before {
  opacity: 1;
}

.product-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
  background: var(--brand-soft);
  border-radius: 999px;
  padding: 5px 12px;
  margin-bottom: 18px;
}

.product-card h3 {
  font-size: 22px;
  margin: 0 0 10px;
}

.product-card > p {
  font-size: 14.5px;
  color: var(--text-2);
  flex: 1;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 10px;
}

.feature-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--text-2);
}

.feature-list svg {
  width: 17px;
  height: 17px;
  flex: none;
  margin-top: 2.5px;
  color: var(--brand);
}

/* ---------- News ---------- */

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.news-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-s);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  color: inherit;
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-m);
  border-color: var(--brand-soft-2);
}

.news-card .thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--surface-2);
}

.news-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.news-card:hover .thumb img {
  transform: scale(1.045);
}

.news-card .body {
  padding: 22px 24px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-date {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 8px;
}

.news-card h3 {
  font-size: 17px;
  margin: 0 0 8px;
}

.news-card .excerpt {
  font-size: 14px;
  color: var(--text-2);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.news-card .read-more {
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-card .read-more svg {
  width: 15px;
  height: 15px;
  transition: transform 0.18s ease;
}

.news-card:hover .read-more svg {
  transform: translateX(3px);
}

.section-foot {
  margin-top: 48px;
  text-align: center;
}

/* ---------- References ---------- */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin: 0 0 44px;
  padding: 0;
  list-style: none;
}

.filter-chip {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  font: 500 13.5px var(--font-body);
  padding: 8px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.16s ease;
}

.filter-chip:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.filter-chip.active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  box-shadow: 0 4px 14px rgba(38, 93, 242, 0.3);
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.logo-tile {
  background: var(--logo-tile-bg, #fff);
  border: 1px solid var(--logo-tile-border, var(--border));
  border-radius: var(--radius);
  aspect-ratio: 3 / 1.9;
  display: grid;
  place-items: center;
  padding: 22px;
  box-shadow: var(--logo-tile-shadow, none);
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.3s ease;
}

.logo-tile:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-m);
}

.logo-tile img {
  max-height: 56px;
  max-width: 82%;
  width: auto;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.logo-tile.hidden {
  display: none;
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 64px;
  align-items: center;
}

.contact-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 22px;
  box-shadow: var(--shadow-s);
  color: inherit;
  display: block;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-m);
  border-color: var(--brand-soft-2);
  color: inherit;
}

.contact-card h3 {
  font-size: 15.5px;
  margin: 14px 0 4px;
}

.contact-card p {
  font-size: 14px;
  color: var(--text-2);
  margin: 0;
  overflow-wrap: anywhere;
}

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

.cta-band {
  background: radial-gradient(700px 350px at 80% -30%, rgba(91, 140, 255, 0.45), transparent 60%),
    linear-gradient(150deg, var(--navy-3), var(--navy-1));
  border-radius: var(--radius-l);
  padding: 64px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  color: var(--on-navy);
}

.cta-band h2 {
  color: #fff;
  font-size: clamp(24px, 3vw, 32px);
  margin: 0 0 8px;
}

.cta-band p {
  color: var(--on-navy-2);
  margin: 0;
}

/* ---------- Article (news detail) ---------- */

.article {
  max-width: 780px;
  margin-inline: auto;
}

.article .news-date {
  margin-bottom: 4px;
}

.article h1 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 24px;
}

.article-cover {
  border-radius: var(--radius-l);
  overflow: hidden;
  margin: 0 0 36px;
  box-shadow: var(--shadow-m);
}

.article-cover img {
  width: 100%;
}

.article-body {
  font-size: 17px;
  color: var(--text-2);
}

.article-body strong {
  color: var(--text);
}

.article-body ul {
  padding-left: 22px;
  display: grid;
  gap: 8px;
  margin: 16px 0;
}

.article .back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 40px;
  font-weight: 600;
  font-size: 15px;
}

.article .back-link svg {
  width: 16px;
  height: 16px;
}

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

.site-footer {
  background: var(--navy-1);
  color: var(--on-navy-2);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr;
  gap: 56px;
  padding-bottom: 56px;
}

.footer-brand .brand span {
  color: #fff;
}

.footer-brand p {
  font-size: 14.5px;
  max-width: 340px;
  margin-top: 18px;
}

.site-footer h4 {
  color: #fff;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.footer-links-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.footer-links-list a {
  color: var(--on-navy-2);
  font-size: 14.5px;
  transition: color 0.15s ease;
}

.footer-links-list a:hover {
  color: #fff;
}

.footer-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.footer-contact-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14.5px;
}

.footer-contact-list a {
  color: var(--on-navy-2);
}

.footer-contact-list a:hover {
  color: #fff;
}

.footer-contact-list svg {
  width: 17px;
  height: 17px;
  flex: none;
  margin-top: 3px;
  color: var(--brand-light);
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  color: var(--on-navy-2);
  font-size: 14px;
  font-weight: 500;
}

.social-link:hover {
  color: #fff;
}

.social-link svg {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  border-top: 1px solid var(--navy-border);
  padding: 22px 0;
  font-size: 13.5px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- Reveal animations ---------- */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .marquee-track {
    animation: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .services-grid,
  .products-grid,
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .logo-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }
}

@media (max-width: 860px) {
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 14px 20px 20px;
    box-shadow: var(--shadow-l);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.22s ease, opacity 0.22s ease, visibility 0.22s;
  }

  body.nav-open .main-nav {
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .main-nav a {
    color: var(--text) !important;
    padding: 12px 14px;
    font-size: 16px;
  }

  .nav-toggle {
    display: grid;
  }

  .section {
    padding: 68px 0;
  }

  .hero {
    padding: calc(var(--header-h) + 64px) 0 64px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 56px;
  }

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

  .cta-band {
    flex-direction: column;
    text-align: center;
    padding: 48px 28px;
  }
}

@media (max-width: 600px) {
  .services-grid,
  .products-grid,
  .news-grid,
  .contact-cards {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .brand span {
    font-size: 18px;
  }

  .header-tools .theme-toggle {
    display: none;
  }
}

/* ============================================================
   Product detail page (Vendor Portal)
   ============================================================ */

/* Product hero */
.product-hero {
  position: relative;
  background: radial-gradient(1000px 560px at 80% -10%, rgba(38, 93, 242, 0.42), transparent 60%),
    radial-gradient(800px 460px at -5% 110%, rgba(56, 189, 248, 0.16), transparent 55%),
    linear-gradient(165deg, var(--navy-2) 0%, var(--navy-1) 72%);
  color: var(--on-navy);
  padding: calc(var(--header-h) + 80px) 0 80px;
  overflow: hidden;
}

.product-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(140, 165, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 165, 255, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 80% at 60% 20%, #000 30%, transparent 78%);
  pointer-events: none;
}

.product-hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}

.product-hero .kicker {
  color: var(--brand-light);
}

.product-hero h1 {
  font-size: clamp(40px, 6vw, 68px);
  color: #fff;
  margin: 0 0 6px;
  line-height: 1.05;
}

.product-hero .tagline {
  font-size: clamp(17px, 2.2vw, 22px);
  font-weight: 600;
  color: var(--brand-light);
  margin: 0 0 20px;
}

.product-hero p.lead {
  font-size: 17px;
  color: var(--on-navy-2);
  max-width: 540px;
  margin: 0 0 30px;
}

.product-hero .hero-actions {
  justify-content: flex-start;
}

.product-hero .live-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 28px;
  padding: 9px 16px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.28);
  font-size: 13.5px;
  color: var(--on-navy);
}

.product-hero .live-pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.25);
  flex: none;
}

.hero-visual {
  position: relative;
}

.hero-visual .browser-frame {
  transform: perspective(1400px) rotateY(-9deg) rotateX(3deg);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.5);
}

/* Browser-style screenshot frame */
.browser-frame {
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(140, 165, 255, 0.18);
  box-shadow: var(--shadow-l);
}

.browser-frame .bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 14px;
  background: #f0f3fa;
  border-bottom: 1px solid #e4e9f4;
}

.browser-frame .bar span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #d6deec;
}

.browser-frame .bar span:nth-child(1) { background: #ff5f57; }
.browser-frame .bar span:nth-child(2) { background: #febc2e; }
.browser-frame .bar span:nth-child(3) { background: #28c840; }

.browser-frame .bar .url {
  flex: 1;
  margin-left: 8px;
  height: 20px;
  border-radius: 6px;
  background: #fff;
  border: 1px solid #e4e9f4;
}

.browser-frame img {
  width: 100%;
  display: block;
}

/* Feature rows (alternating) */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 88px;
}

.feature-row:last-child {
  margin-bottom: 0;
}

.feature-row.reverse .feature-copy {
  order: 2;
}

.feature-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: var(--brand-soft);
  color: var(--brand);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  margin-bottom: 18px;
}

.feature-copy h3 {
  font-size: clamp(21px, 2.6vw, 27px);
  margin: 0 0 14px;
}

.feature-copy p {
  font-size: 16px;
  color: var(--text-2);
  margin: 0;
}

.feature-shot figcaption {
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-3);
  text-align: center;
  font-style: italic;
}

/* Why-cards grid */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.why-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-s);
}

.why-card .icon-chip {
  margin-bottom: 16px;
}

.why-card h3 {
  font-size: 16px;
  margin: 0 0 8px;
}

.why-card p {
  font-size: 14px;
  color: var(--text-2);
  margin: 0;
}

/* Security band (dark) */
.sec-band {
  background: radial-gradient(700px 360px at 85% -20%, rgba(38, 93, 242, 0.35), transparent 60%),
    linear-gradient(160deg, var(--navy-2), var(--navy-1));
  color: var(--on-navy);
}

.sec-band .section-head h2,
.story-band .section-head h2 {
  color: #fff;
}

.sec-band .section-head .kicker {
  color: var(--brand-light);
}

.sec-band .section-head p,
.story-band .section-head p {
  color: var(--on-navy-2);
}

.sec-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.sec-card {
  background: rgba(13, 25, 56, 0.5);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius);
  padding: 26px 20px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.sec-card .icon-chip {
  background: rgba(91, 140, 255, 0.16);
  color: var(--brand-light);
  margin-bottom: 16px;
}

.sec-card h3 {
  color: #fff;
  font-size: 15px;
  margin: 0 0 8px;
}

.sec-card p {
  font-size: 13.5px;
  color: var(--on-navy-2);
  margin: 0;
}

/* Success story band */
.story-band {
  background: var(--bg-soft);
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.story-checks {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.story-checks li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 16px;
  color: var(--text);
  font-weight: 500;
}

.story-checks svg {
  width: 22px;
  height: 22px;
  flex: none;
  color: #16a34a;
  margin-top: 1px;
}

.story-note {
  margin-top: 24px;
  font-size: 13.5px;
  color: var(--text-3);
  font-style: italic;
}

.story-visual {
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-l);
}

.story-visual img {
  width: 100%;
  display: block;
}

@media (max-width: 1024px) {
  .product-hero .container {
    grid-template-columns: 1fr;
    gap: 44px;
  }
  .hero-visual .browser-frame {
    transform: none;
  }
  .feature-row {
    gap: 44px;
    margin-bottom: 64px;
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sec-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .story-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .story-visual {
    order: -1;
  }
}

@media (max-width: 600px) {
  .feature-row,
  .feature-row.reverse .feature-copy {
    grid-template-columns: 1fr;
    order: 0;
  }
  .feature-row {
    gap: 24px;
  }
  .why-grid,
  .sec-grid {
    grid-template-columns: 1fr;
  }
}

/* Clickable product card (links to detail page) */
a.product-card { color: inherit; }
a.product-card:hover { color: inherit; }
.product-card-link {
  margin-top: 20px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.product-card-link svg { width: 15px; height: 15px; transition: transform 0.18s ease; }
a.product-card:hover .product-card-link svg { transform: translateX(4px); }

/* ============================================================
   Theme-adaptive bands — light mode now lightens hero/footer/
   security band too (not just content sections)
   ============================================================ */

:root {
  --grid-line: rgba(38, 93, 242, 0.06);
  --hero-bg: radial-gradient(1100px 600px at 78% -10%, rgba(38, 93, 242, 0.16), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(56, 189, 248, 0.1), transparent 55%),
    linear-gradient(165deg, #e8eeff 0%, #f7faff 72%);
  --sec-bg: radial-gradient(700px 360px at 85% -20%, rgba(38, 93, 242, 0.1), transparent 60%),
    linear-gradient(160deg, #eef3fe, #f7faff);
  --stat-bg: #ffffff;
  --band-line: var(--border);
  --pill-bg: rgba(38, 93, 242, 0.07);
  --pill-border: rgba(38, 93, 242, 0.22);
  --oncard-bg: #ffffff;
  --oncard-border: var(--border);
  --footer-bg: #e9edf6;
  --footer-fg: var(--text-2);
  --footer-head: var(--text);
  --footer-line: var(--border);
  --footer-icon: var(--brand);
}

[data-theme="dark"] {
  --grid-line: rgba(140, 165, 255, 0.07);
  --hero-bg: radial-gradient(1100px 600px at 78% -10%, rgba(38, 93, 242, 0.4), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(56, 189, 248, 0.18), transparent 55%),
    linear-gradient(165deg, #0b1631 0%, #070d1f 70%);
  --sec-bg: radial-gradient(700px 360px at 85% -20%, rgba(38, 93, 242, 0.35), transparent 60%),
    linear-gradient(160deg, #0b1631, #070d1f);
  --stat-bg: rgba(11, 22, 49, 0.6);
  --band-line: var(--navy-border);
  --pill-bg: rgba(56, 189, 248, 0.1);
  --pill-border: rgba(56, 189, 248, 0.28);
  --oncard-bg: rgba(13, 25, 56, 0.5);
  --oncard-border: var(--navy-border);
  --footer-bg: var(--navy-1);
  --footer-fg: var(--on-navy-2);
  --footer-head: #ffffff;
  --footer-line: var(--navy-border);
  --footer-icon: var(--brand-light);
}

/* Heroes */
.hero, .page-hero, .product-hero { background: var(--hero-bg); color: var(--text); }
.hero::before, .page-hero::before, .product-hero::before {
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
}
.hero h1, .page-hero h1, .product-hero h1 { color: var(--text); }
.hero p, .page-hero p, .product-hero p.lead { color: var(--text-2); }
.hero .kicker, .page-hero .kicker, .product-hero .kicker { color: var(--brand); }
.product-hero .tagline { color: var(--brand); }
.product-hero .live-pill { background: var(--pill-bg); border-color: var(--pill-border); color: var(--text); }

/* Hero stats */
.hero-stats { background: var(--band-line); border-color: var(--band-line); }
.hero-stats .stat { background: var(--stat-bg); }
.stat-num { color: var(--text); }
.stat-num em { color: var(--brand); }
.stat-label { color: var(--text-2); }

/* Header over a (now light) hero */
.site-header.over-hero:not(.scrolled) { --hdr-text: var(--text); }
[data-theme="dark"] .site-header.over-hero:not(.scrolled) { --hdr-text: var(--on-navy); }
.site-header.over-hero:not(.scrolled) .main-nav a:hover { background: var(--brand-soft); color: var(--brand); }
[data-theme="dark"] .site-header.over-hero:not(.scrolled) .main-nav a:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }
.site-header.over-hero:not(.scrolled) .main-nav a.active { background: var(--brand-soft); color: var(--brand); }
[data-theme="dark"] .site-header.over-hero:not(.scrolled) .main-nav a.active { background: rgba(255, 255, 255, 0.12); color: #fff; }
.site-header.over-hero:not(.scrolled) .lang-switch { border-color: var(--border); background: color-mix(in srgb, var(--bg) 60%, transparent); }
.site-header.over-hero:not(.scrolled) .theme-toggle,
.site-header.over-hero:not(.scrolled) .nav-toggle { border-color: var(--border); }
[data-theme="dark"] .site-header.over-hero:not(.scrolled) .lang-switch { border-color: rgba(170, 182, 216, 0.35); background: rgba(255, 255, 255, 0.06); }
[data-theme="dark"] .site-header.over-hero:not(.scrolled) .theme-toggle,
[data-theme="dark"] .site-header.over-hero:not(.scrolled) .nav-toggle { border-color: rgba(170, 182, 216, 0.35); }

/* Ghost button that sits on the hero */
.btn-ghost.on-dark { color: var(--text); border-color: var(--border); }
.btn-ghost.on-dark:hover { color: var(--brand); border-color: var(--brand); }
[data-theme="dark"] .btn-ghost.on-dark { color: var(--on-navy); border-color: rgba(170, 182, 216, 0.4); }
[data-theme="dark"] .btn-ghost.on-dark:hover { color: #fff; border-color: #fff; }

/* Security band */
.sec-band { background: var(--sec-bg); color: var(--text); }
.sec-band .section-head h2, .story-band .section-head h2 { color: var(--text); }
.sec-band .section-head .kicker { color: var(--brand); }
.sec-band .section-head p, .story-band .section-head p { color: var(--text-2); }
.sec-card { background: var(--oncard-bg); border-color: var(--oncard-border); }
.sec-card .icon-chip { background: var(--brand-soft); color: var(--brand); }
.sec-card h3 { color: var(--text); }
.sec-card p { color: var(--text-2); }

/* CTA band — intentional brand-blue accent in both themes */
.cta-band {
  background: radial-gradient(700px 350px at 80% -30%, rgba(255, 255, 255, 0.16), transparent 60%),
    linear-gradient(135deg, #2f6bff, #1b4ad1);
  color: #fff;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255, 255, 255, 0.85); }

/* Footer */
.site-footer { background: var(--footer-bg); color: var(--footer-fg); border-top: 1px solid var(--footer-line); }
.footer-brand .brand span, .site-footer h4 { color: var(--footer-head); }
.footer-brand p { color: var(--footer-fg); }
.footer-links-list a, .footer-contact-list li, .footer-contact-list a, .social-link { color: var(--footer-fg); }
.footer-links-list a:hover, .footer-contact-list a:hover, .social-link:hover { color: var(--footer-head); }
.footer-contact-list svg, .social-link svg { color: var(--footer-icon); }
.footer-bottom { border-top-color: var(--footer-line); }

/* Logo wall — dark mode: softer off-white chips with depth, not glaring white */
:root {
  --logo-tile-bg: #ffffff;
  --logo-tile-border: var(--border);
  --logo-tile-shadow: none;
}
[data-theme="dark"] {
  --logo-tile-bg: #eef1f8;
  --logo-tile-border: rgba(255, 255, 255, 0.06);
  --logo-tile-shadow: 0 8px 24px rgba(0, 0, 0, 0.42);
}