/* ================================================================
   PRISM ONE NINE INC. — Main Stylesheet
   Tron-inspired design: dark grid, neon accents, isometric motion
   ================================================================ */

/* ----------------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   ---------------------------------------------------------------- */
:root {
  /* Colors */
  --clr-bg:            #0a0a0f;
  --clr-bg-card:       #12121a;
  --clr-bg-card-hover: #17172280;
  --clr-bg-nav:        rgba(10, 10, 15, 0.85);
  --clr-cyan:          #00f0ff;
  --clr-cyan-dim:      rgba(0, 240, 255, 0.45);
  --clr-cyan-glow:     rgba(0, 240, 255, 0.15);
  --clr-blue:          #0080ff;
  --clr-magenta:       #ff00ff;
  --clr-orange:        #ff6600;
  --clr-text:          #ffffff;
  --clr-text-secondary:#a0a0b0;
  --clr-grid:          rgba(0, 240, 255, 0.08);
  --clr-border:        rgba(0, 240, 255, 0.2);
  --clr-border-hover:  rgba(0, 240, 255, 0.6);

  /* Typography */
  --ff-heading: 'Orbitron', system-ui, sans-serif;
  --ff-body:    'Rajdhani', system-ui, sans-serif;

  /* Spacing */
  --space-xs:   4px;
  --space-sm:   8px;
  --space-md:   16px;
  --space-lg:   24px;
  --space-xl:   40px;
  --space-2xl:  64px;
  --space-3xl:  96px;

  /* Sizes */
  --max-width:  1200px;
  --nav-height: 72px;

  /* Radius */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;

  /* Transitions */
  --trs-fast:   150ms ease-out;
  --trs-med:    300ms ease-out;
  --trs-slow:   500ms ease-out;

  /* Shadows / Glows */
  --glow-cyan:       0 0 20px rgba(0, 240, 255, 0.5), 0 0 60px rgba(0, 240, 255, 0.2);
  --glow-cyan-sm:    0 0 8px rgba(0, 240, 255, 0.4);
  --glow-magenta:    0 0 20px rgba(255, 0, 255, 0.5);
  --shadow-card:     0 4px 24px rgba(0, 0, 0, 0.6);
  --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.8), 0 0 30px rgba(0, 240, 255, 0.2);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--ff-body);
  background-color: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

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

a {
  color: var(--clr-cyan);
  text-decoration: none;
  transition: color var(--trs-fast), text-shadow var(--trs-fast);
}

a:hover,
a:focus-visible {
  color: #fff;
  text-shadow: var(--glow-cyan-sm);
}

ul { list-style: none; }

::selection {
  background: rgba(0, 240, 255, 0.3);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--clr-cyan);
  outline-offset: 3px;
}

/* ----------------------------------------------------------------
   3. Ambient Canvas (full-screen background)
   ---------------------------------------------------------------- */
#ambient-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ----------------------------------------------------------------
   4. Scan Lines Overlay
   ---------------------------------------------------------------- */
.scanlines {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(0, 0, 0, 0.04) 3px,
    rgba(0, 0, 0, 0.04) 4px
  );
  animation: scanlines-drift 10s linear infinite;
}

@keyframes scanlines-drift {
  from { background-position: 0 0; }
  to   { background-position: 0 100px; }
}

/* ----------------------------------------------------------------
   5. Layout Utilities
   ---------------------------------------------------------------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  position: relative;
  z-index: 2;
}

.section {
  padding: var(--space-3xl) 0;
  position: relative;
  z-index: 2;
}

/* ----------------------------------------------------------------
   6. Navigation
   ---------------------------------------------------------------- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 100;
  background: var(--clr-bg-nav);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
  transition: box-shadow var(--trs-med), border-color var(--trs-med);
}

.site-nav.scrolled {
  box-shadow: 0 2px 24px rgba(0, 240, 255, 0.12);
  border-bottom-color: var(--clr-cyan-dim);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--clr-text);
  text-shadow: none;
  flex-shrink: 0;
}

.nav-logo-img {
  height: 36px;
  width: auto;
  filter: drop-shadow(0 0 8px var(--clr-cyan));
  transition: filter var(--trs-med);
}

.nav-logo:hover .nav-logo-img {
  filter: drop-shadow(0 0 16px var(--clr-cyan));
}

.nav-logo-text {
  font-family: var(--ff-heading);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--clr-text);
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
  margin-left: auto;
}

.nav-link {
  font-family: var(--ff-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-text-secondary);
  transition: color var(--trs-fast), text-shadow var(--trs-fast);
  position: relative;
  padding-bottom: 4px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 100%;
  height: 1px;
  background: var(--clr-cyan);
  transition: right var(--trs-med);
  box-shadow: var(--glow-cyan-sm);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--clr-cyan);
  text-shadow: none;
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  right: 0;
}

.nav-cta {
  font-family: var(--ff-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-cyan);
  background: transparent;
  border: 1px solid var(--clr-cyan);
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--trs-med), color var(--trs-med), box-shadow var(--trs-med);
  flex-shrink: 0;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--clr-cyan);
  color: var(--clr-bg);
  box-shadow: var(--glow-cyan);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  margin-left: auto;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-cyan);
  border-radius: 2px;
  transition: transform var(--trs-med), opacity var(--trs-med);
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.nav-links-mobile {
  display: none;
  flex-direction: column;
  background: var(--clr-bg-nav);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--clr-border);
  padding: var(--space-md) var(--space-xl) var(--space-xl);
  gap: var(--space-md);
}

.nav-links-mobile.open {
  display: flex;
}

.nav-links-mobile .nav-link {
  font-size: 0.85rem;
}

.nav-link-cta {
  color: var(--clr-cyan) !important;
  border: 1px solid var(--clr-cyan);
  padding: 10px var(--space-md);
  border-radius: var(--radius-sm);
  text-align: center;
  margin-top: var(--space-sm);
}

/* ----------------------------------------------------------------
   7. Typography & Accent Helpers
   ---------------------------------------------------------------- */
.accent {
  color: var(--clr-cyan);
}

.section-badge {
  font-family: var(--ff-heading);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--clr-cyan);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  opacity: 0.8;
}

.section-title {
  font-family: var(--ff-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--clr-text);
  margin-bottom: var(--space-lg);
  line-height: 1.2;
}

.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-cyan), transparent);
  margin-top: var(--space-md);
  border-radius: 2px;
  box-shadow: var(--glow-cyan-sm);
}

.section-sub {
  font-size: 1.15rem;
  color: var(--clr-text-secondary);
  margin-bottom: var(--space-2xl);
}

/* ----------------------------------------------------------------
   8. Buttons
   ---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 14px 32px;
  position: relative;
  overflow: hidden;
  transition: transform var(--trs-med), box-shadow var(--trs-med), background var(--trs-med), color var(--trs-med);
  text-decoration: none;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--trs-med);
}

.btn:hover::before { opacity: 1; }

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: transparent;
  color: var(--clr-cyan);
  border: 2px solid var(--clr-cyan);
  box-shadow: inset 0 0 0 0 var(--clr-cyan);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--clr-cyan);
  color: var(--clr-bg);
  box-shadow: var(--glow-cyan);
  transform: translateY(-2px);
  text-shadow: none;
}

.btn-outline {
  background: transparent;
  color: var(--clr-text-secondary);
  border: 1px solid rgba(160, 160, 176, 0.3);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  color: var(--clr-text);
  border-color: rgba(160, 160, 176, 0.7);
  transform: translateY(-2px);
  text-shadow: none;
}

/* ----------------------------------------------------------------
   9. Hero Section
   ---------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
  overflow: hidden;
  padding: calc(var(--nav-height) + 40px) var(--space-xl) var(--space-3xl);
}

/* Isometric grid floor */
.hero-grid-floor {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-grid-floor::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) perspective(600px) rotateX(55deg);
  width: 200%;
  height: 120%;
  transform-origin: bottom center;
  background-image:
    linear-gradient(var(--clr-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--clr-grid) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: grid-scroll 20s linear infinite;
}

.hero-grid-floor::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(to top, var(--clr-bg) 0%, transparent 100%);
  z-index: 1;
}

@keyframes grid-scroll {
  from { background-position: 0 0; }
  to   { background-position: 0 60px; }
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-xl);
}

.hero-logo-wrap {
  position: relative;
  margin-bottom: var(--space-md);
}

.hero-logo {
  height: 120px;
  width: auto;
  filter: drop-shadow(0 0 20px var(--clr-cyan)) drop-shadow(0 0 60px rgba(0, 240, 255, 0.4));
  animation: logo-pulse 4s ease-in-out infinite;
}

.hero-logo-glow {
  position: absolute;
  inset: -40px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.12) 0%, transparent 70%);
  animation: logo-pulse 4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes logo-pulse {
  0%, 100% { opacity: 1; filter: drop-shadow(0 0 20px var(--clr-cyan)) drop-shadow(0 0 60px rgba(0, 240, 255, 0.4)); }
  50%       { opacity: 0.85; filter: drop-shadow(0 0 30px var(--clr-cyan)) drop-shadow(0 0 80px rgba(0, 240, 255, 0.55)); }
}

.hero-text { max-width: 800px; }

.hero-title {
  font-family: var(--ff-heading);
  font-size: clamp(1.6rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: 0.15em;
  color: var(--clr-text);
  margin-bottom: var(--space-lg);
  line-height: 1.15;
  text-shadow: 0 0 40px rgba(0, 240, 255, 0.3);
}

.hero-title-line {
  display: inline-block;
  animation: title-glow 6s ease-in-out infinite alternate;
}

@keyframes title-glow {
  from { text-shadow: 0 0 20px rgba(0, 240, 255, 0.2); }
  to   { text-shadow: 0 0 40px rgba(0, 240, 255, 0.5); }
}

.hero-tagline {
  font-family: var(--ff-heading);
  font-size: clamp(0.85rem, 2vw, 1.1rem);
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--clr-cyan);
  margin-bottom: var(--space-md);
  min-height: 1.5em;
}

/* Blinking cursor for tagline typewriter */
.hero-tagline::after {
  content: '|';
  animation: blink 0.8s step-end infinite;
  color: var(--clr-cyan);
}

.hero-tagline.done::after {
  animation: blink-fade 3s ease-out forwards;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

@keyframes blink-fade {
  0%, 60% { opacity: 1; }
  100%    { opacity: 0; }
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--clr-text-secondary);
  margin-bottom: var(--space-xl);
  letter-spacing: 0.02em;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Scroll cue */
.hero-scroll-cue {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  animation: scroll-cue 2.5s ease-in-out infinite;
  z-index: 2;
}

.scroll-line {
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--clr-cyan));
}

.scroll-label {
  font-family: var(--ff-heading);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--clr-cyan);
  opacity: 0.5;
}

@keyframes scroll-cue {
  0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
  50%       { opacity: 0.9; transform: translateX(-50%) translateY(6px); }
}

/* ----------------------------------------------------------------
   10. About Section
   ---------------------------------------------------------------- */
.about {
  background: linear-gradient(180deg, transparent 0%, rgba(0, 240, 255, 0.02) 50%, transparent 100%);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-2xl);
  align-items: start;
  margin-top: var(--space-xl);
}

.about-text {
  font-size: 1.05rem;
  color: var(--clr-text-secondary);
}

.about-text p + p { margin-top: var(--space-md); }

.lead-text {
  font-size: 1.2rem !important;
  color: var(--clr-text) !important;
  line-height: 1.65;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.stat-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-sm);
  transition: border-color var(--trs-med), box-shadow var(--trs-med);
}

.stat-card:hover {
  border-color: var(--clr-border-hover);
  box-shadow: var(--glow-cyan);
}

.stat-num {
  font-family: var(--ff-heading);
  font-size: 2rem;
  font-weight: 900;
  color: var(--clr-cyan);
  text-shadow: var(--glow-cyan-sm);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--clr-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1.3;
}

/* ----------------------------------------------------------------
   11. Services Section
   ---------------------------------------------------------------- */
.services {
  background: var(--clr-bg);
}

.services-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

/* Service Card */
.service-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  transition: transform var(--trs-med), box-shadow var(--trs-med), border-color var(--trs-med);
  cursor: default;
}

/* Holographic shimmer on card */
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    105deg,
    transparent 20%,
    rgba(0, 240, 255, 0.04) 50%,
    transparent 80%
  );
  transition: left 0.6s ease;
  pointer-events: none;
}

.service-card:hover::before {
  left: 150%;
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--clr-cyan), transparent);
  opacity: 0;
  transition: opacity var(--trs-med);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--clr-border-hover);
  box-shadow: var(--shadow-card-hover);
}

.service-card:hover::after {
  opacity: 1;
}

.service-card-inner {
  padding: var(--space-xl) var(--space-2xl);
  display: grid;
  grid-template-columns: 200px 1fr;
  grid-template-rows: auto 1fr;
  column-gap: var(--space-2xl);
  row-gap: var(--space-md);
  position: relative;
  z-index: 1;
  align-items: start;
}

/* Service Icon */
.service-icon {
  width: 56px;
  height: 56px;
  padding: var(--space-md);
  background: rgba(0, 240, 255, 0.06);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  color: var(--clr-cyan);
  flex-shrink: 0;
  transition: background var(--trs-med), box-shadow var(--trs-med), transform var(--trs-med);
  animation: icon-pulse 4s ease-in-out infinite;
  grid-column: 1;
  grid-row: 1;
  align-self: start;
}

.service-card:hover .service-icon {
  background: rgba(0, 240, 255, 0.12);
  box-shadow: var(--glow-cyan-sm);
  transform: scale(1.05);
  animation: none;
}

@keyframes icon-pulse {
  0%, 100% { box-shadow: none; }
  50%       { box-shadow: 0 0 12px rgba(0, 240, 255, 0.2); }
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

/* Service Title */
.service-title {
  font-family: var(--ff-heading);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--clr-text);
  line-height: 1.3;
  transition: color var(--trs-fast);
  grid-column: 1;
  grid-row: 2;
  align-self: start;
  padding-top: var(--space-md);
}

.service-card:hover .service-title {
  color: var(--clr-cyan);
}

/* Service Description */
.service-body {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: start;
  border-left: 1px solid var(--clr-border);
  padding-left: var(--space-2xl);
  transition: border-color var(--trs-med);
}

.service-card:hover .service-body {
  border-left-color: var(--clr-border-hover);
}

.service-body p {
  font-size: 0.95rem;
  color: var(--clr-text-secondary);
  line-height: 1.7;
}

.service-body p + p {
  margin-top: var(--space-md);
}

/* ----------------------------------------------------------------
   12. Contact Section
   ---------------------------------------------------------------- */
.contact {
  background: linear-gradient(180deg, transparent 0%, rgba(0, 240, 255, 0.02) 30%, transparent 100%);
}

.contact-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-3xl);
  align-items: start;
  margin-top: var(--space-xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-info-label {
  display: block;
  font-family: var(--ff-heading);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--clr-cyan);
  margin-bottom: var(--space-xs);
  opacity: 0.7;
}

.contact-info-value {
  font-size: 1rem;
  color: var(--clr-text);
}

.link-neon {
  color: var(--clr-cyan);
  transition: text-shadow var(--trs-fast), color var(--trs-fast);
}

.link-neon:hover {
  text-shadow: var(--glow-cyan-sm);
}

.contact-divider {
  height: 1px;
  background: linear-gradient(90deg, var(--clr-border), transparent);
}

.contact-blurb {
  font-size: 0.95rem;
  color: var(--clr-text-secondary);
  line-height: 1.7;
}

.contact-tagline-block {
  margin-top: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-left: 2px solid var(--clr-cyan);
  background: rgba(0, 240, 255, 0.04);
}

.contact-tagline {
  font-family: var(--ff-heading);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--clr-cyan);
  opacity: 0.7;
  text-transform: uppercase;
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-label {
  font-family: var(--ff-heading);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--clr-text-secondary);
}

.form-input {
  background: var(--clr-bg-card);
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--ff-body);
  font-size: 1rem;
  outline: none;
  transition: border-color var(--trs-fast), box-shadow var(--trs-fast), background var(--trs-fast);
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
}

.form-input::placeholder {
  color: rgba(160, 160, 176, 0.4);
}

.form-input:focus {
  border-color: var(--clr-cyan);
  box-shadow: 0 0 0 2px rgba(0, 240, 255, 0.15), var(--glow-cyan-sm);
  background: rgba(18, 18, 26, 0.95);
}

.form-input:invalid:not(:placeholder-shown) {
  border-color: rgba(255, 80, 80, 0.6);
}

/* Select */
.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2300f0ff' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-select option {
  background: #1a1a2e;
  color: var(--clr-text);
}

/* Textarea */
.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-actions {
  padding-top: var(--space-sm);
}

.btn-submit {
  width: 100%;
  justify-content: center;
  padding: 16px;
}

/* Form Status */
.form-status {
  font-size: 0.9rem;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  min-height: 0;
  transition: all var(--trs-med);
}

.form-status.success {
  background: rgba(0, 240, 100, 0.1);
  border: 1px solid rgba(0, 240, 100, 0.4);
  color: #00ef64;
}

.form-status.error {
  background: rgba(255, 80, 80, 0.1);
  border: 1px solid rgba(255, 80, 80, 0.4);
  color: #ff5050;
}

/* ---- Honeypot: off-screen, never seen by humans ---- */
.form-honeypot {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* ---- CAPTCHA field ---- */
.form-captcha {
  background: rgba(0, 240, 255, 0.03);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  gap: var(--space-sm);
}

.captcha-row {
  display: flex;
  gap: var(--space-sm);
  align-items: stretch;
}

.captcha-input {
  /* number input: hide browser spin arrows */
  appearance: textfield;
  -moz-appearance: textfield;
  max-width: 140px;
  flex-shrink: 0;
}

.captcha-input::-webkit-outer-spin-button,
.captcha-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.captcha-refresh {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-text-secondary);
  padding: 0 12px;
  cursor: pointer;
  flex-shrink: 0;
  transition: color var(--trs-fast), border-color var(--trs-fast), box-shadow var(--trs-fast);
}

.captcha-refresh:hover,
.captcha-refresh:focus-visible {
  color: var(--clr-cyan);
  border-color: var(--clr-cyan);
  box-shadow: var(--glow-cyan-sm);
}

.captcha-refresh svg {
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.form-hint {
  font-size: 0.75rem;
  color: rgba(160, 160, 176, 0.5);
  letter-spacing: 0.02em;
}

/* ----------------------------------------------------------------
   13. Footer
   ---------------------------------------------------------------- */
.site-footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--clr-border);
  padding: var(--space-xl) 0;
  background: rgba(10, 10, 15, 0.7);
  backdrop-filter: blur(4px);
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-grow: 1;
}

.footer-logo {
  height: 28px;
  width: auto;
  filter: drop-shadow(0 0 6px rgba(0, 240, 255, 0.4));
  opacity: 0.8;
}

.footer-brand-name {
  font-family: var(--ff-heading);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--clr-text-secondary);
}

.footer-nav {
  display: flex;
  gap: var(--space-xl);
}

.footer-link {
  font-family: var(--ff-heading);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-text-secondary);
  transition: color var(--trs-fast);
}

.footer-link:hover { color: var(--clr-cyan); text-shadow: none; }

.footer-copy {
  font-size: 0.8rem;
  color: rgba(160, 160, 176, 0.4);
  flex-shrink: 0;
}

/* ----------------------------------------------------------------
   14. Scroll Reveal Animations
   ---------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

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

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }

/* ----------------------------------------------------------------
   15. Responsive — Tablet (≤1024px)
   ---------------------------------------------------------------- */
@media (max-width: 1024px) {
  .container { padding: 0 var(--space-lg); }

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

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

/* ----------------------------------------------------------------
   16. Responsive — Mobile (≤768px)
   ---------------------------------------------------------------- */
@media (max-width: 768px) {
  :root { --nav-height: 60px; }

  .nav-links,
  .nav-cta { display: none; }

  .nav-hamburger { display: flex; }

  .service-card-inner {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    column-gap: 0;
  }

  .service-icon {
    grid-column: 1;
    grid-row: 1;
  }

  .service-title {
    grid-column: 1;
    grid-row: 2;
    padding-top: var(--space-sm);
  }

  .service-body {
    grid-column: 1;
    grid-row: 3;
    border-left: none;
    padding-left: 0;
    padding-top: var(--space-md);
    border-top: 1px solid var(--clr-border);
  }

  .service-card:hover .service-body {
    border-top-color: var(--clr-border-hover);
  }

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

  .hero-logo { height: 80px; }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-lg);
  }

  .footer-nav {
    gap: var(--space-lg);
  }

  .service-card:hover {
    transform: none;
  }
}

/* ----------------------------------------------------------------
   17. Reduced Motion
   ---------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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

  .scanlines { display: none; }
}

/* ----------------------------------------------------------------
   18. Corner decorations (purely decorative)
   ---------------------------------------------------------------- */
.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 80px;
  height: 80px;
  border-top: 1px solid var(--clr-border);
  border-left: 1px solid var(--clr-border);
  opacity: 0.5;
  pointer-events: none;
  z-index: 1;
}

.section::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 80px;
  height: 80px;
  border-bottom: 1px solid var(--clr-border);
  border-right: 1px solid var(--clr-border);
  opacity: 0.5;
  pointer-events: none;
  z-index: 1;
}