/* ==========================================================================
   PASAN C. PERERA / IMAGINE SOFTWARE SOLUTIONS / CODESHOP
   Design System: Glassmorphic Liquid Clean Minimal
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-base: #0a0c12;
  --bg-surface: #0f121d;
  --bg-card: rgba(18, 22, 34, 0.65);
  --bg-card-hover: rgba(26, 32, 50, 0.78);
  --bg-card-subtle: rgba(255, 255, 255, 0.025);
  --bg-glass-heavy: rgba(12, 15, 24, 0.88);
  
  /* Borders & Highlights */
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-subtle: rgba(255, 255, 255, 0.04);
  --border-glass-bright: rgba(255, 255, 255, 0.2);
  --border-glow-teal: rgba(47, 213, 192, 0.4);
  --border-glow-violet: rgba(163, 107, 247, 0.4);
  --border-glow-whatsapp: rgba(37, 211, 102, 0.45);

  /* Vibrant Accents */
  --teal: #2fd5c0;
  --teal-glow: rgba(47, 213, 192, 0.25);
  --teal-dim: #11413b;
  --violet: #a36bf7;
  --violet-glow: rgba(163, 107, 247, 0.25);
  --violet-dim: #2f1d52;
  --amber: #f5a837;
  --amber-glow: rgba(245, 168, 55, 0.22);
  --amber-dim: #442b0d;
  --whatsapp: #25d366;
  --whatsapp-glow: rgba(37, 211, 102, 0.35);

  /* Typography */
  --text-main: #f5f6fb;
  --text-muted: #afb4cc;
  --text-dim: #737894;
  --text-faint: #474b63;

  /* Fonts */
  --font-display: 'Syne', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  /* Geometry & Shadows */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 9999px;

  --max-w: 1180px;
  --max-w-narrow: 860px;

  --shadow-glass: 0 16px 36px -10px rgba(0, 0, 0, 0.5), inset 0 1px 1px rgba(255, 255, 255, 0.12);
  --shadow-glass-lg: 0 24px 48px -12px rgba(0, 0, 0, 0.65), inset 0 1px 1px rgba(255, 255, 255, 0.15);
  --shadow-glow-teal: 0 0 28px var(--teal-glow);
  --shadow-glow-violet: 0 0 28px var(--violet-glow);
  --shadow-glow-whatsapp: 0 8px 24px var(--whatsapp-glow);

  /* Transitions */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.2s var(--ease-smooth);
  --transition-normal: 0.35s var(--ease-spring);
  --transition-slow: 0.6s var(--ease-spring);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-base);
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Fluid Responsive Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text-main);
}

h1 {
  font-size: clamp(2.3rem, 5.2vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.75rem);
  letter-spacing: -0.025em;
}

h3 {
  font-size: clamp(1.25rem, 2.2vw, 1.65rem);
  font-weight: 600;
}

p {
  color: var(--text-muted);
  font-size: clamp(1rem, 1.08vw, 1.125rem);
  line-height: 1.7;
}

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

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

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

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Ambient Liquid Mesh Background
   ========================================================================== */
.liquid-bg-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.liquid-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.38;
  will-change: transform;
  animation: liquidMorph 22s ease-in-out infinite alternate;
}

.liquid-blob-1 {
  width: min(65vw, 680px);
  height: min(65vw, 680px);
  top: -12%;
  left: -8%;
  background: radial-gradient(circle, var(--violet) 0%, rgba(163, 107, 247, 0) 70%);
  animation-duration: 26s;
}

.liquid-blob-2 {
  width: min(60vw, 620px);
  height: min(60vw, 620px);
  top: 15%;
  right: -10%;
  background: radial-gradient(circle, var(--teal) 0%, rgba(47, 213, 192, 0) 70%);
  animation-duration: 22s;
  animation-delay: -5s;
}

.liquid-blob-3 {
  width: min(55vw, 550px);
  height: min(55vw, 550px);
  bottom: 5%;
  left: 20%;
  background: radial-gradient(circle, rgba(245, 168, 55, 0.4) 0%, rgba(245, 168, 55, 0) 70%);
  animation-duration: 30s;
  animation-delay: -10s;
  opacity: 0.22;
}

.liquid-grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 40%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 40%, transparent 85%);
}

@keyframes liquidMorph {
  0% {
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
  33% {
    transform: translate(30px, -40px) scale(1.08) rotate(15deg);
  }
  66% {
    transform: translate(-35px, 25px) scale(0.92) rotate(-10deg);
  }
  100% {
    transform: translate(25px, 35px) scale(1.04) rotate(8deg);
  }
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.site-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(20px, 4vw, 36px);
  padding-right: clamp(20px, 4vw, 36px);
}

.container-narrow {
  max-width: var(--max-w-narrow);
}

/* Section Spacing */
.section {
  padding: clamp(64px, 8vw, 112px) 0;
  position: relative;
}

.section-divider {
  border-top: 1px solid var(--border-glass);
}

/* ==========================================================================
   Navigation Bar & Logo
   ========================================================================== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass-heavy);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid var(--border-glass);
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

/* Brand Link & Image Logo */
.nav-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.nav-brand:hover {
  opacity: 0.9;
}

.nav-logo {
  height: 24px;
  width: auto;
  display: block;
  object-fit: contain;
  opacity: 0.95;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.nav-logo:hover {
  opacity: 1;
  transform: scale(1.02);
}

.brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 12px var(--teal);
  position: relative;
}

.brand-dot::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1px solid var(--teal);
  opacity: 0.5;
  animation: pulseDot 3s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.6); opacity: 0; }
}

.brand-sub {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  padding-left: 10px;
  border-left: 1px solid var(--border-glass);
}

/* Nav Links & Sliding Indicator */
.nav-menu {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-block;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.nav-link.active {
  color: var(--teal);
}

.nav-indicator {
  position: absolute;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--violet));
  border-radius: 2px;
  transition: all var(--transition-normal);
  pointer-events: none;
  opacity: 0;
}

/* Mobile Toggle */
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* Scroll Progress Bar */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--teal), var(--violet) 70%, var(--amber));
  z-index: 101;
  transition: width 0.08s linear;
}

/* ==========================================================================
   Floating WhatsApp Button
   ========================================================================== */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 99;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(14, 18, 28, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(37, 211, 102, 0.35);
  border-radius: var(--radius-pill);
  padding: 10px 18px 10px 14px;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.6), var(--shadow-glow-whatsapp);
  text-decoration: none;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.wa-float:hover {
  transform: translateY(-3px) scale(1.02);
  border-color: var(--whatsapp);
  box-shadow: 0 14px 36px -6px rgba(0, 0, 0, 0.7), 0 0 30px rgba(37, 211, 102, 0.5);
  color: #fff;
}

.wa-icon-wrap {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0b1014;
  position: relative;
}

.wa-icon-wrap::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--whatsapp);
  opacity: 0.5;
  animation: pulseDot 2.6s ease-in-out infinite;
}

.wa-icon-wrap svg {
  width: 17px;
  height: 17px;
  fill: currentColor;
}

@media (max-width: 600px) {
  .wa-float {
    bottom: 20px;
    right: 20px;
    padding: 10px;
  }
  .wa-text {
    display: none;
  }
}

/* ==========================================================================
   Typography Utilities & Components
   ========================================================================== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 20px;
  font-weight: 500;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--teal);
}

.eyebrow-violet {
  color: var(--violet);
}
.eyebrow-violet::before {
  background: var(--violet);
}

.eyebrow-amber {
  color: var(--amber);
}
.eyebrow-amber::before {
  background: var(--amber);
}

.section-head {
  margin-bottom: clamp(36px, 5vw, 56px);
  max-width: 72ch;
}

.section-head h2 {
  margin-bottom: 16px;
}

.lede {
  font-size: clamp(1.1rem, 1.4vw, 1.3rem);
  color: var(--text-muted);
  line-height: 1.6;
}

.gradient-text-teal {
  background: linear-gradient(110deg, var(--text-main) 20%, var(--teal) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.gradient-text-hero {
  background: linear-gradient(115deg, #ffffff 10%, var(--teal) 60%, var(--violet) 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.gradient-text-violet {
  background: linear-gradient(110deg, var(--violet) 0%, #d8b8ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ==========================================================================
   Glassmorphic Components
   ========================================================================== */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-normal), border-color var(--transition-fast), box-shadow var(--transition-normal);
}

.glass-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  pointer-events: none;
}

.glass-card:hover {
  border-color: var(--border-glass-bright);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glass-lg);
}

.glass-card-interactive:hover {
  border-color: var(--border-glow-teal);
  box-shadow: 0 20px 45px -12px rgba(0, 0, 0, 0.6), var(--shadow-glow-teal);
}

.glass-card-subtle {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-glass-subtle);
}

.glass-surface {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
}

/* ==========================================================================
   Portrait Card (About Page) — Frameless Minimal Design
   ========================================================================== */
.portrait-card-frameless {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0;
}

.portrait-img-frameless {
  width: 100%;
  max-width: 320px;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 20px;
  position: relative;
}

.portrait-img-frameless img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  border-radius: var(--radius-xl);
  transition: transform var(--transition-normal);
}

.portrait-card-frameless:hover .portrait-img-frameless img {
  transform: scale(1.03);
}

.portrait-caption {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.portrait-role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--teal);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ==========================================================================
   Buttons & CTAs
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--text-main);
  color: var(--bg-base);
  font-weight: 600;
  box-shadow: 0 4px 18px rgba(255, 255, 255, 0.12);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.22);
  color: #000;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-glass);
  color: var(--text-main);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--teal);
  color: var(--teal);
  transform: translateY(-2px);
}

.btn-violet {
  background: rgba(163, 107, 247, 0.12);
  border-color: rgba(163, 107, 247, 0.35);
  color: #fff;
}

.btn-violet:hover {
  background: var(--violet);
  color: #0c0b14;
  border-color: var(--violet);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-violet);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.75rem;
}

.btn-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ==========================================================================
   Pill Tags & Spec Labels
   ========================================================================== */
.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.02em;
  transition: all var(--transition-fast);
}

.tag-pill:hover {
  color: var(--text-main);
  border-color: var(--border-glass-bright);
}

.tag-pill-teal {
  color: var(--teal);
  background: rgba(47, 213, 192, 0.06);
  border-color: rgba(47, 213, 192, 0.25);
}

.tag-pill-violet {
  color: var(--violet);
  background: rgba(163, 107, 247, 0.06);
  border-color: rgba(163, 107, 247, 0.25);
}

.tag-pill-amber {
  color: var(--amber);
  background: rgba(245, 168, 55, 0.06);
  border-color: rgba(245, 168, 55, 0.25);
}

/* ==========================================================================
   Spec Card Pattern (Signature Structural Device)
   ========================================================================== */
.spec-card {
  padding: clamp(24px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.spec-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.spec-category {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.spec-title {
  margin-bottom: 12px;
  font-size: 1.35rem;
}

.spec-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 22px;
  flex: 1;
}

.spec-fields {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px dashed var(--border-glass);
  margin-bottom: 20px;
}

.spec-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  font-size: 0.8125rem;
  align-items: baseline;
}

.spec-key {
  font-family: var(--font-mono);
  color: var(--text-dim);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.spec-val {
  color: var(--text-main);
  font-weight: 500;
}

.spec-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: auto;
}

/* Filter Bar */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-main);
  border-color: var(--border-glass-bright);
}

.filter-btn.active {
  background: rgba(47, 213, 192, 0.12);
  border-color: var(--teal);
  color: var(--teal);
}

/* Status Badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  color: var(--text-dim);
}

.status-badge-live {
  color: var(--teal);
  border-color: rgba(47, 213, 192, 0.3);
  background: rgba(47, 213, 192, 0.08);
}

.status-badge-pending {
  color: var(--amber);
  border-color: rgba(245, 168, 55, 0.3);
  background: rgba(245, 168, 55, 0.08);
}

/* ==========================================================================
   Stat Chips (Mono chips)
   ========================================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.stat-chip {
  padding: 22px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.stat-chip::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--teal);
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}

.stat-number-amber {
  color: var(--amber);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.stat-meta {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-dim);
  margin-top: 10px;
  letter-spacing: 0.02em;
}

.stat-confirm-flag {
  display: inline-block;
  font-size: 0.625rem;
  color: var(--amber);
  border: 1px solid rgba(245, 168, 55, 0.35);
  padding: 1px 5px;
  border-radius: 3px;
  margin-top: 6px;
  font-family: var(--font-mono);
}

/* ==========================================================================
   Hero Section Layout
   ========================================================================== */
.hero-section {
  padding: clamp(80px, 12vw, 140px) 0 clamp(60px, 8vw, 90px);
  position: relative;
}

.hero-content {
  max-width: 980px;
}

.hero-title {
  margin-bottom: 26px;
  line-height: 1.1;
  letter-spacing: -0.025em;
  word-spacing: normal;
}

.hero-sub {
  font-size: clamp(1.125rem, 1.5vw, 1.35rem);
  color: var(--text-muted);
  max-width: 68ch;
  line-height: 1.65;
  margin-bottom: 38px;
}

.meta-chip-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 36px;
}

.meta-chip {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  min-width: 170px;
}

.meta-chip-key {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.meta-chip-val {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-main);
}

/* ==========================================================================
   Grid Layouts
   ========================================================================== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

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

/* ==========================================================================
   Pillar Card Component (Services / Capabilities)
   ========================================================================== */
.pillar-card {
  padding: clamp(28px, 4vw, 36px);
  display: flex;
  flex-direction: column;
  position: relative;
}

.pillar-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--teal);
}

.pillar-icon-wrap-violet {
  color: var(--violet);
  background: rgba(163, 107, 247, 0.08);
}

.pillar-icon-wrap-amber {
  color: var(--amber);
  background: rgba(245, 168, 55, 0.08);
}

.pillar-card h3 {
  margin-bottom: 12px;
}

.pillar-quote {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 24px;
  font-style: normal;
  flex: 1;
}

.pillar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 18px;
  border-top: 1px solid var(--border-glass);
}

/* ==========================================================================
   Framework / Methodology Split Banner
   ========================================================================== */
.framework-card {
  padding: clamp(32px, 4vw, 44px);
  background: linear-gradient(135deg, rgba(163, 107, 247, 0.08) 0%, rgba(47, 213, 192, 0.05) 100%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
}

.framework-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 28px;
}

.framework-item {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
}

.framework-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.framework-badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  font-weight: 400;
}

/* ==========================================================================
   Testimonials (Social Proof)
   ========================================================================== */
.testimonial-card {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.testimonial-framing {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--teal);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.testimonial-body {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text-main);
  margin-bottom: 22px;
  font-style: normal;
  position: relative;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border-glass);
}

.author-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--border-glass-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--teal);
}

.author-name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-main);
}

.author-role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* ==========================================================================
   Interactive System Architecture Map
   ========================================================================== */
.arch-map-wrap {
  padding: 36px 30px;
  background: linear-gradient(180deg, var(--bg-surface), var(--bg-base));
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  overflow-x: auto;
}

.arch-legend {
  display: flex;
  gap: 24px;
  margin-bottom: 28px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

.arch-layer {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px dashed var(--border-glass-subtle);
}

.arch-layer:last-child {
  border-bottom: none;
}

.layer-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.node-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.arch-node {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-glass);
  background: var(--bg-base);
  color: var(--text-muted);
  transition: all var(--transition-fast);
  cursor: default;
}

.arch-node:hover {
  transform: translateY(-2px);
  color: var(--text-main);
  border-color: var(--teal);
  box-shadow: var(--shadow-glow-teal);
}

.arch-node-public {
  border-color: rgba(47, 213, 192, 0.4);
  color: #fff;
  background: rgba(47, 213, 192, 0.06);
}

.arch-node-private {
  border-color: rgba(163, 107, 247, 0.4);
  color: #fff;
  background: rgba(163, 107, 247, 0.06);
}

/* ==========================================================================
   Forms & Contact
   ========================================================================== */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 22px;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--text-main);
  font-weight: 500;
}

.form-input, .form-textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--teal);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 3px var(--teal-glow);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

/* ==========================================================================
   Closing CTA Band & Outro
   ========================================================================== */
.cta-band {
  padding: clamp(54px, 6vw, 76px) clamp(32px, 5vw, 60px);
  background: radial-gradient(circle at 80% 20%, rgba(163, 107, 247, 0.16) 0%, rgba(47, 213, 192, 0.08) 60%, var(--bg-card) 100%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-band-content {
  max-width: 60ch;
}

.cta-band h2 {
  margin-bottom: 12px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-glass);
  padding: 48px 0 36px;
  background: rgba(10, 12, 18, 0.92);
  backdrop-filter: blur(14px);
  margin-top: auto;
  position: relative;
  z-index: 10;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 36px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.footer-brand {
  max-width: 42ch;
}

.footer-logo {
  height: 22px;
  width: auto;
  display: block;
  object-fit: contain;
  opacity: 0.9;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-nav {
  display: flex;
  gap: 28px;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--text-muted);
}
.footer-nav a:hover {
  color: var(--teal);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-glass-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.footer-contact-items {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-contact-items a {
  color: var(--text-muted);
}
.footer-contact-items a:hover {
  color: var(--teal);
}

/* ==========================================================================
   Scroll-Reveal Animations (Materialising Blur + Fade)
   ========================================================================== */
.reveal-init {
  opacity: 0;
  filter: blur(6px);
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease-spring), filter 0.7s var(--ease-spring), transform 0.7s var(--ease-spring);
  will-change: opacity, filter, transform;
}

.reveal-visible {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

/* Stagger delays for child grids */
.stagger-1 { transition-delay: 0.08s; }
.stagger-2 { transition-delay: 0.16s; }
.stagger-3 { transition-delay: 0.24s; }
.stagger-4 { transition-delay: 0.32s; }

/* Hero Stagger Words */
.hero-word {
  display: inline-block;
  opacity: 0;
  filter: blur(8px);
  transform: translateY(18px);
  margin-right: 0.28em;
  transition: opacity 0.65s var(--ease-spring), filter 0.65s var(--ease-spring), transform 0.65s var(--ease-spring);
}

.hero-word:last-child {
  margin-right: 0;
}

.hero-word.loaded {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

/* ==========================================================================
   Accessibility & Responsive Breakpoints
   ========================================================================== */
@media (max-width: 960px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .framework-grid {
    grid-template-columns: 1fr;
  }
  .cta-band {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-glass);
    flex-direction: column;
    align-items: stretch;
    padding: 20px 24px;
    gap: 10px;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-normal), opacity var(--transition-fast);
  }

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

  .nav-toggle {
    display: block;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .arch-layer {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (max-width: 520px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .meta-chip {
    min-width: 100%;
  }
  .spec-row {
    grid-template-columns: 90px 1fr;
  }
}

/* Prefers Reduced Motion Guard */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .liquid-blob {
    animation: none !important;
  }
  .reveal-init {
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
  }
  .hero-word {
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
    margin-right: 0.28em;
  }
}