/*
Theme Name: Xellentek Studio
Template: astra
Version: 3.0.0
Description: Premium editorial redesign for the Harry Daswani software portfolio.
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Mono:wght@400;500;600;700&display=swap');

:root {
  /* Premium editorial palette: warm charcoal, amber gold, clean surfaces */
  --color-bg: #0a0a12;
  --color-bg-alt: #0f0f1a;
  --color-surface: #ffffff;
  --color-surface-alt: #fafafa;
  --color-surface-2: #f0f0f2;
  --color-ink: #0a0a12;
  --color-ink-soft: #4a4a5a;
  --color-ink-faint: #7a7a8a;
  --color-line: #e4e4e9;
  --color-line-strong: #d1d1dc;
  /* Premium amber-gold accent system */
  --color-accent: #b4842b;
  --color-accent-warm: #d4a752;
  --color-accent-soft: #f6ecd5;
  --color-accent-faint: #fef9f0;
  --color-accent-gradient: linear-gradient(135deg, #b4842b 0%, #e3b55c 50%, #d4a752 100%);
  --color-accent-border: linear-gradient(135deg, #b4842b 0%, #d4a752 100%);
  /* Neutral scale for text */
  --gray-900: #0a0a12;
  --gray-800: #1a1a22;
  --gray-700: #2a2a3a;
  --gray-600: #4a4a5a;
  --gray-500: #6a6a7a;
  --gray-400: #9a9aae;
  --gray-300: #c9c9d4;
  --gray-200: #e4e4e9;
  --gray-100: #f1f1f4;
  --gray-50: #fafafa;
  --gray-0: #ffffff;
  /* Refined shadow system — subtle depth */
  --shadow-xs: 0 1px 2px -1px rgba(15, 23, 42, 0.03);
  --shadow-sm: 0 1px 3px -1px rgba(15, 23, 42, 0.06), 0 1px 2px -1px rgba(15, 23, 42, 0.02);
  --shadow: 0 4px 16px -2px rgba(15, 23, 42, 0.07), 0 2px 8px -2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 28px -6px rgba(15, 23, 42, 0.1), 0 4px 16px -4px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 16px 48px -12px rgba(15, 23, 42, 0.14), 0 8px 32px -8px rgba(15, 23, 42, 0.08);
  --shadow-xl: 0 24px 64px -16px rgba(15, 23, 42, 0.16);
  --shadow-glow: 0 24px 60px -28px rgba(180, 132, 43, 0.32);
  --shadow-glow-strong: 0 32px 80px -32px rgba(180, 132, 43, 0.4);
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 999px;
  --max: 1320px;
  /* Premium animation tokens */
  --ease-spring: cubic-bezier(0.34, 1.16, 0.52, 0.96);
  --ease-elastic: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0.05, 0.36, 1);
  --dur-fast: 0.2s;
  --dur-base: 0.4s;
  --dur-slow: 0.7s;
  --dur-slower: 1.2s;
}

/* ===== Global Reset & Base Styles ===== */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.xellentek-page {
  margin: 0;
  color: var(--color-ink);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  background:
    radial-gradient(circle at 15% 20%, rgba(180, 132, 43, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 85% 15%, rgba(180, 132, 43, 0.02) 0%, transparent 35%),
    radial-gradient(circle at 50% 80%, rgba(180, 132, 43, 0.04) 0%, transparent 50%),
    linear-gradient(180deg, #ffffff 0%, var(--color-bg-alt) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

body.xellentek-page::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(180, 132, 43, 0.02) 0%, transparent 40%),
    radial-gradient(circle at 85% 15%, rgba(180, 132, 43, 0.015) 0%, transparent 35%),
    radial-gradient(circle at 25% 90%, rgba(180, 132, 43, 0.025) 0%, transparent 50%);
  opacity: 0.6;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur-fast) ease;
}

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

/* ===== Layout Shell ===== */

.xk-shell {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100vw - 48px));
  margin: 0 auto;
  padding-top: 12px;
}

/* Selection highlight */
::selection {
  background: rgba(180, 132, 43, 0.12);
  color: var(--color-ink);
}

/* Scrollbar polish */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #b4842b, #d4a752);
  border-radius: 999px;
  border: 3px solid var(--color-surface);
}

/* ===== Navigation ===== */

.nav,
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(26, 26, 34, 0.32);
  background: rgba(10, 10, 18, 0.88);
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 60px -32px rgba(0, 0, 0, 0.52);
  border-radius: 20px;
}

.nav {
  min-height: 80px;
  padding: 16px 28px;
  position: sticky;
  top: 16px;
  z-index: 50;
  transition: box-shadow var(--dur-base) var(--ease-spring);
}

.nav.scrolled {
  box-shadow: 0 12px 40px -20px rgba(0, 0, 0, 0.48);
}

.nav::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 167, 82, 0.36), rgba(180, 132, 43, 0.24), transparent);
  pointer-events: none;
}

.nav::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at top right, rgba(212, 167, 82, 0.04), transparent 34%),
    radial-gradient(circle at left center, rgba(255, 255, 255, 0.02), transparent 30%);
}

/* Nav Brand */
.nav-brand {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.nav-kicker {
  color: rgba(212, 167, 82, 0.68);
  font-family: 'Space Mono', monospace;
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #d4a752;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
  text-decoration: none;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.03em;
  white-space: nowrap;
  transition: opacity var(--dur-fast) ease;
}

.wordmark:hover {
  opacity: 0.88;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 12px;
  border: 1px solid rgba(212, 167, 82, 0.32);
  border-radius: 999px;
  background: rgba(212, 167, 82, 0.08);
  color: #d4a752;
  font-family: 'Space Mono', monospace;
  font-size: 9.5px;
  line-height: 1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 10px 18px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  font-size: 14px;
  font-weight: 500;
  color: rgba(248, 251, 255, 0.82);
  backdrop-filter: blur(8px);
}

.nav-links a {
  position: relative;
  color: rgba(248, 251, 255, 0.82);
  text-decoration: none;
  transition: color var(--dur-fast) ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: #ffffff;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent-border);
  transition: width var(--dur-fast) ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  width: 100%;
}

/* CTA Button */
.nav-cta,
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid rgba(180, 132, 43, 0.4);
  background: var(--color-accent-gradient);
  color: #ffffff;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 16px 32px -12px rgba(180, 132, 43, 0.32);
  transition: transform var(--dur-fast) ease, box-shadow var(--dur-fast) ease, opacity var(--dur-fast) ease;
  position: relative;
  overflow: hidden;
}

.nav-cta::before,
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.3) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-fast) ease;
  pointer-events: none;
}

.nav-cta:hover,
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px -16px rgba(180, 132, 43, 0.4);
}

.nav-cta:hover::before,
.btn-primary:hover::before {
  opacity: 1;
}

.nav-cta:active,
.btn-primary:active {
  transform: translateY(0);
}

/* Link Button */
.btn-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 6px;
  color: var(--color-ink);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: color var(--dur-fast) ease, transform var(--dur-fast) ease;
  position: relative;
}

.btn-link:hover,
.btn-link:focus-visible {
  color: var(--color-accent);
}

.btn-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-accent-border);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-fast) ease;
}

.btn-link:hover::after,
.btn-link:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ===== Typography ===== */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  color: var(--color-accent);
  font-family: 'Space Mono', monospace;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  flex-shrink: 0;
  border-radius: 999px;
  background: var(--color-accent-warm);
  box-shadow: 0 0 0 5px rgba(212, 167, 82, 0.08);
}

/* ===== Hero Sections ===== */

.hero {
  display: grid;
  gap: 36px;
  padding: 40px 28px 24px;
}

.hero-home {
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.9fr);
  align-items: start;
  padding-top: 32px;
}

.hero-product {
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.85fr);
  align-items: start;
  padding-top: 24px;
}

.hero::after {
  content: '';
  grid-column: 1 / -1;
  height: 1px;
  background: var(--color-line);
  margin-top: 24px;
}

.hero-copy {
  max-width: 680px;
  margin-top: 4px;
}

.hero-copy h1 {
  margin: 0 0 20px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: clamp(2.8rem, 5.2vw, 5.4rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.04em;
  color: var(--gray-900);
}

.hero-copy p {
  margin: 0 0 4px;
  max-width: 64ch;
  color: var(--color-ink-soft);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.7;
}

.hero-actions,
.product-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

.hero-pills,
.product-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-pills span,
.product-facts span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 16px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-ink-soft);
  font-family: 'Space Mono', monospace;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  transition: border-color var(--dur-fast) ease, background-color var(--dur-fast) ease;
}

.hero-pills span:hover,
.product-facts span:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-faint);
  color: var(--color-accent);
}

/* Hero Visual */
.hero-visual {
  display: grid;
  gap: 20px;
}

.hero-window {
  overflow: hidden;
  border: 1px solid rgba(212, 167, 82, 0.16);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(20px);
  transition: transform var(--dur-slow) ease, box-shadow var(--dur-slow) ease;
  position: relative;
}

.hero-window:hover {
  transform: translateY(-4px);
  box-shadow: 0 32px 80px -32px rgba(180, 132, 43, 0.2);
}

.hero-window img {
  width: 100%;
  height: auto;
  display: block;
}

.hero-window::after {
  content: '';
  display: block;
  height: 1px;
  background: linear-gradient(90deg, rgba(180, 132, 43, 0.16), transparent 45%, rgba(212, 167, 82, 0.18));
}

.hero-aside {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.stat-card {
  padding: 20px 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: var(--shadow);
  transition: transform var(--dur-base) var(--ease-spring), box-shadow var(--dur-base) var(--ease-spring), border-color var(--dur-fast) ease;
}

.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(212, 167, 82, 0.32);
}

.stat-card strong {
  display: block;
  margin-bottom: 8px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-ink);
}

.stat-card span {
  color: var(--color-ink-faint);
  font-size: 13px;
  line-height: 1.5;
  font-weight: 400;
}

/* ===== Proof Strip ===== */

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 0 28px 22px;
}

.proof-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 20px 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: var(--shadow);
  transition: border-color var(--dur-fast) ease, transform var(--dur-base) var(--ease-spring);
}

.proof-item:hover {
  transform: translateY(-4px);
  border-color: rgba(212, 167, 82, 0.36);
}

.proof-dot {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  margin-top: 4px;
  border-radius: 999px;
  background: var(--color-accent-warm);
  box-shadow: 0 0 0 5px rgba(212, 167, 82, 0.08);
}

.proof-copy strong {
  display: block;
  margin-bottom: 4px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-ink);
}

.proof-copy span {
  color: var(--color-ink-faint);
  font-size: 12.5px;
  line-height: 1.45;
  font-weight: 400;
}

/* ===== Product Sections ===== */

.product {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.92fr);
  gap: 32px;
  align-items: start;
  padding: 44px 28px;
  margin-top: 18px;
  position: relative;
}

.product.rev {
  --border-y: rgba(212, 224, 244, 0.86);
}

.product.rev .product-copy {
  order: 2;
}

.product.rev .product-media {
  order: 1;
}

.product::before {
  content: '';
  position: absolute;
  top: 0;
  left: 28px;
  right: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-line), transparent);
}

.product:first-of-type::before {
  display: none;
}

.product-copy {
  max-width: 560px;
}

.product-copy h2 {
  margin: 0 0 16px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: clamp(2rem, 3vw, 3.2rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.04em;
  color: var(--gray-900);
}

.product-copy p {
  margin: 0 0 24px;
  color: var(--color-ink-soft);
  font-size: 16.5px;
  line-height: 1.7;
  font-weight: 400;
}

.feature-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-line);
}

.feature-list li {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--color-line);
  color: var(--color-ink);
  font-size: 14.5px;
  line-height: 1.55;
  font-weight: 400;
}

.feature-list li:first-child {
  border-top: 0;
}

.feature-list li::before {
  content: '';
  width: 8px;
  height: 8px;
  margin-top: 7px;
  flex-shrink: 0;
  border-radius: 999px;
  background: var(--color-accent-gradient);
  box-shadow: 0 0 0 3px rgba(212, 167, 82, 0.12);
}

.product-media {
  min-width: 0;
}

/* Media Card */
.media-card {
  overflow: hidden;
  border: 1px solid rgba(212, 224, 244, 0.12);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  transition: transform var(--dur-slow) var(--ease-spring), box-shadow var(--dur-slow) var(--ease-spring);
  position: relative;
}

.media-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 32px 80px -32px rgba(180, 132, 43, 0.16);
}

.media-frame {
  padding: 22px;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg-alt) 100%);
  border-bottom: 1px solid var(--color-line);
}

.media-frame img {
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius) - 4px);
}

.media-overview {
  display: grid;
  gap: 10px;
  padding: 22px 24px 24px;
  background: linear-gradient(180deg, var(--color-surface-alt) 0%, var(--color-surface) 100%);
}

.media-kicker {
  color: var(--color-accent);
  font-family: 'Space Mono', monospace;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.media-title {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--gray-900);
}

.media-copy {
  color: var(--color-ink-soft);
  font-size: 14.5px;
  line-height: 1.65;
  font-weight: 400;
}

.media-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.media-points span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 14px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-ink-faint);
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  transition: border-color var(--dur-fast) ease;
}

.media-points span:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-faint);
}

/* ===== Docnav ===== */

.docnav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px 8px;
  color: var(--color-ink-faint);
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.docnav b {
  color: var(--color-accent);
  font-weight: 700;
}

.docnav span {
  opacity: 0.5;
}

/* ===== Doc / Article ===== */

.doc {
  width: min(940px, calc(100vw - 48px));
  margin: 24px auto 0;
  padding: 40px 32px;
  border: 1px solid rgba(212, 224, 244, 0.12);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
}

.doc h1 {
  margin: 0 0 16px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.04em;
  color: var(--gray-900);
}

.doc .lede {
  max-width: 66ch;
  margin: 0 0 32px;
  color: var(--color-ink-soft);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.75;
}

.doc section {
  padding: 22px 0;
  border-top: 1px solid var(--color-line);
}

.doc section:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.doc h3 {
  margin: 0 0 12px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.doc p {
  margin: 0;
  max-width: 68ch;
  color: var(--color-ink-soft);
  font-size: 15.5px;
  line-height: 1.75;
  font-weight: 400;
}

.doc a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
  position: relative;
}

.doc a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-accent-border);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-fast) ease;
}

.doc a:hover,
.doc a:focus-visible {
  color: var(--color-accent-warm);
}

.doc a:hover::after,
.doc a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Divider */
.divider {
  height: 1px;
  margin: 28px 0;
  background: var(--color-line);
}

/* ===== About Section ===== */

.about {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.82fr);
  gap: 32px;
  align-items: start;
  padding: 48px 28px 20px;
  margin-top: 16px;
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 28px;
  right: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-line), transparent);
}

.about-copy {
  max-width: 640px;
  margin-top: 8px;
}

.about-copy h2 {
  margin: 0 0 18px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: clamp(1.8rem, 2.4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--gray-900);
}

.about-copy p {
  margin: 0 0 12px;
  color: var(--color-ink-soft);
  font-size: 16.5px;
  line-height: 1.75;
  font-weight: 400;
}

.about-copy a {
  display: inline-block;
  margin-top: 8px;
  color: var(--color-accent);
  font-family: 'Space Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  position: relative;
}

.about-copy a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-accent-border);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-fast) ease;
}

.about-copy a:hover::after,
.about-copy a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.about-visual {
  overflow: hidden;
  border: 1px solid rgba(212, 224, 244, 0.12);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow);
  transition: transform var(--dur-slow) var(--ease-spring), box-shadow var(--dur-slow) var(--ease-spring);
  position: relative;
}

.about-visual:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.about-visual img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== Footer ===== */

.footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.95fr);
  margin-top: 36px;
  padding: 36px;
  border-radius: var(--radius-lg);
  align-items: stretch;
  gap: 32px;
  background: linear-gradient(135deg, #0a0a12 0%, #1a1a22 55%, #0a0a12 100%);
  color: #f8fbff;
  border: 1px solid rgba(26, 26, 34, 0.32);
  box-shadow: 0 32px 90px -32px rgba(0, 0, 0, 0.64);
}

.footer::before {
  content: '';
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 167, 82, 0.22), rgba(212, 167, 82, 0.12), transparent);
  pointer-events: none;
}

.footer-brand {
  max-width: 420px;
  display: grid;
  gap: 8px;
}

.footer-kicker {
  color: rgba(212, 167, 82, 0.68);
  font-family: 'Space Mono', monospace;
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #d4a752;
}

.footer-name {
  margin-bottom: 10px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #ffffff;
}

.footer-copy {
  color: rgba(248, 251, 255, 0.72);
  font-size: 15px;
  line-height: 1.7;
  font-weight: 400;
}

.footer-email {
  display: inline-block;
  margin-top: 14px;
  color: #ffffff;
  font-family: 'Space Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  position: relative;
  transition: color var(--dur-fast) ease;
}

.footer-email::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-accent-border);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-fast) ease;
}

.footer-email:hover,
.footer-email:focus-visible {
  color: var(--color-accent-warm);
}

.footer-email:hover::after,
.footer-email:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px;
  flex-wrap: wrap;
}

.footer-cols > div {
  min-width: 0;
}

.footer-cols .col-title {
  margin-bottom: 14px;
  color: #ffffff;
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(212, 167, 82, 0.82);
}

.footer-cols a {
  display: block;
  padding: 6px 0;
  color: rgba(248, 251, 255, 0.72);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 14px;
  text-decoration: none;
  transition: color var(--dur-fast) ease, padding-left var(--dur-fast) ease;
  position: relative;
}

.footer-cols a:hover,
.footer-cols a:focus-visible {
  color: #ffffff;
  padding-left: 10px;
}

.footer-cols a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: var(--color-accent-warm);
  opacity: 0;
  transition: opacity var(--dur-fast) ease;
}

.footer-cols a:hover::before,
.footer-cols a:focus-visible::before {
  opacity: 1;
}

/* ===== Responsive Breakpoints ===== */

@media (max-width: 1080px) {
  .nav,
  .hero,
  .proof-strip,
  .product,
  .about,
  .footer,
  .docnav {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero-home,
  .hero-product,
  .product,
  .about {
    grid-template-columns: 1fr;
  }

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

  .nav {
    padding: 14px 20px;
  }

  .product.rev .product-copy,
  .product.rev .product-media {
    order: initial;
  }

  .hero::after {
    display: none;
  }

  .product::before {
    left: 20px;
    right: 20px;
  }

  .about::before {
    left: 20px;
    right: 20px;
  }
}

@media (max-width: 860px) {
  body.xellentek-page {
    padding-inline: 12px;
  }

  .xk-shell {
    width: min(var(--max), calc(100vw - 24px));
  }

  .nav {
    flex-wrap: wrap;
    align-items: flex-start;
    top: 12px;
    padding-top: 14px;
    padding-bottom: 14px;
    gap: 16px;
  }

  .nav-actions {
    width: 100%;
    margin-left: 0;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
  }

  .nav-links {
    order: 3;
    width: 100%;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: flex-start;
    border-radius: 18px;
  }

  .nav-cta {
    margin-left: auto;
  }

  .proof-strip,
  .hero-aside {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 24px;
    gap: 28px;
  }

  .hero-copy h1 {
    font-size: clamp(2.4rem, 12vw, 4.2rem);
  }

  .hero-copy p,
  .doc .lede,
  .doc p,
  .about-copy p,
  .product-copy p {
    font-size: 15.5px;
  }

  .product {
    padding: 32px 20px;
  }

  .hero-actions,
  .product-actions {
    gap: 12px;
  }

  .hero-pills {
    gap: 8px;
  }
}

@media (max-width: 640px) {
  .nav {
    gap: 14px;
  }

  .nav-actions {
    gap: 12px;
  }

  .wordmark {
    white-space: normal;
    line-height: 1.1;
    font-size: 20px;
  }

  .tag {
    min-height: 24px;
    font-size: 8.5px;
    padding: 0 8px;
  }

  .hero {
    padding-top: 20px;
    gap: 24px;
  }

  .hero-copy h1 {
    font-size: clamp(2rem, 14vw, 3rem);
    letter-spacing: -0.03em;
  }

  .stat-card,
  .proof-item,
  .media-card,
  .doc,
  .about,
  .footer {
    border-radius: 20px;
  }

  .nav,
  .nav-links {
    border-radius: 18px;
  }

  .product {
    padding: 24px 16px;
    gap: 24px;
  }

  .product::before {
    display: none;
  }

  .hero-actions,
  .product-actions {
    gap: 10px;
  }

  .btn-primary,
  .btn-link,
  .nav-cta {
    width: 100%;
    justify-content: center;
  }

  .docnav {
    padding-left: 16px;
    padding-right: 16px;
  }

  .doc {
    padding: 28px 20px 8px;
    margin: 18px 6px 0;
  }

  .footer {
    gap: 24px;
    padding: 28px;
  }

  .footer-cols {
    width: 100%;
    gap: 24px;
    grid-template-columns: 1fr;
  }

  .hero-pills span,
  .product-facts span {
    font-size: 12px;
  }

  .media-title {
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .hero-pills,
  .product-facts {
    gap: 8px;
  }

  .hero-pills span,
  .product-facts span {
    font-size: 11px;
    padding: 0 12px;
    min-height: 30px;
  }

  .proof-strip {
    grid-template-columns: 1fr;
  }

  .feature-list li {
    padding: 12px 0;
    font-size: 14px;
  }
}

/* ===== Reduced Motion ===== */

@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;
    scroll-behavior: auto !important;
  }
}

/* ===== Print Styles ===== */

@media print {
  body.xellentek-page {
    background: #ffffff;
    padding: 0;
    min-height: auto;
  }

  .xk-shell {
    width: 100%;
    padding: 0;
  }

  .nav,
  .footer {
    position: static;
    box-shadow: none;
    backdrop-filter: none;
    border: 1px solid #e0e0e0;
  }

  .doc {
    box-shadow: none;
    border: none;
    padding: 0;
  }

  .hero-window,
  .media-card,
  .stat-card,
  .about-visual {
    box-shadow: none;
    border: 1px solid #e0e0e0;
  }

  .hero-copy h1 {
    font-size: 32px;
  }

  body.xellentek-page::before {
    display: none;
  }
}