/* ======================================================
   KHEBRA TECH — Premium Design System v2
   Terminal UI · Flip Cards · Gradient Borders
   Spotlight Effect · Particle Network · Micro-Animations
   ====================================================== */

/* ── 1. Custom Properties ──────────────────────────── */
:root {
  /* Backgrounds */
  --bg-deep: #050d18;
  --bg-primary: #081424;
  --bg-elevated: #0c1a30;
  --bg-card: rgba(12, 26, 48, 0.55);
  --bg-card-hover: rgba(18, 36, 62, 0.7);
  --bg-glass: rgba(10, 22, 42, 0.5);

  /* Accent */
  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --accent-bright: #93bbfc;
  --accent-dim: rgba(59, 130, 246, 0.08);
  --accent-glow: rgba(59, 130, 246, 0.2);

  /* Gradient accents */
  --gradient-accent: linear-gradient(135deg, #3b82f6, #06b6d4, #8b5cf6);
  --gradient-border: conic-gradient(from 0deg, #3b82f6, #06b6d4, #8b5cf6, #3b82f6);

  /* Text */
  --text: #e8eef6;
  --text-heading: #f2f7ff;
  --text-muted: #6b86a3;
  --text-subtle: #4a6580;

  /* Terminal */
  --term-bg: rgba(8, 16, 28, 0.92);
  --term-green: #4ade80;
  --term-cyan: #22d3ee;
  --term-yellow: #fbbf24;
  --term-red: #f87171;

  /* Borders & Lines */
  --border: rgba(100, 160, 230, 0.07);
  --border-card: rgba(100, 160, 230, 0.1);
  --border-hover: rgba(59, 130, 246, 0.3);

  /* Fonts */
  --font-display: 'Cairo', sans-serif;
  --font-body: 'IBM Plex Sans Arabic', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing & Sizing */
  --shell-width: min(1100px, calc(100% - 60px));
  --radius: 18px;
  --radius-sm: 12px;
  --radius-xs: 8px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration: 0.35s;
}

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

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

body {
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  overflow-x: hidden;
}

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

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

/* ── 3. Particle Network Canvas ────────────────────── */
#particleNetwork {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

/* ── 4. Layout ─────────────────────────────────────── */
.shell {
  width: var(--shell-width);
  margin-inline: auto;
}

/* ── 5. Header ─────────────────────────────────────── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 76px;
  background: rgba(5, 13, 24, 0.6);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  transition: background var(--duration) var(--ease);
}

.header.scrolled {
  background: rgba(5, 13, 24, 0.92);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Brand / Logo */
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  color: var(--text-heading);
  letter-spacing: -0.02em;
}

.brand img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.brand strong {
  color: var(--accent-light);
  font-weight: 800;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  transition: color var(--duration) var(--ease);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--duration) var(--ease);
}

.nav-link:hover {
  color: var(--text);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 9px 22px;
  background: var(--accent);
  color: #fff !important;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  border-radius: var(--radius-xs);
  transition: all var(--duration) var(--ease);
  box-shadow: 0 2px 12px rgba(59, 130, 246, 0.2);
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  background: #4f8ef7;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(59, 130, 246, 0.35);
}

/* Hamburger */
.menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xs);
  background: var(--bg-glass);
  cursor: pointer;
  position: relative;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--accent-light);
  border-radius: 2px;
  transition: all var(--duration) var(--ease);
}

.menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ── 6. Hero Section ───────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg-deep);
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 80% 70% at 50% 45%, transparent 0%, rgba(5, 13, 24, 0.4) 55%, rgba(5, 13, 24, 0.85) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-top: 40px;
}

.hero-brand {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(52px, 8vw, 96px);
  color: var(--text-heading);
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 24px;
}

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

/* ── Hero Terminal ─────────────────────────────────── */
.hero-terminal {
  max-width: 560px;
  margin: 0 auto 40px;
  background: var(--term-bg);
  border: 1px solid rgba(100, 160, 230, 0.12);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(59, 130, 246, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  text-align: left;
  direction: ltr;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(100, 160, 230, 0.08);
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-dot--red { background: #ff5f56; }
.terminal-dot--yellow { background: #ffbd2e; }
.terminal-dot--green { background: #27c93f; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-subtle);
  margin-right: auto;
  margin-left: 10px;
}

.terminal-body {
  padding: 18px 20px;
  min-height: 120px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 2;
  color: var(--text-muted);
}

.terminal-line {
  white-space: pre-wrap;
  word-break: break-word;
}

.terminal-line .term-prompt-char {
  color: var(--term-green);
}

.terminal-line .term-cmd {
  color: var(--term-cyan);
}

.terminal-line .term-flag {
  color: var(--term-yellow);
}

.terminal-line .term-result {
  color: var(--accent-bright);
}

.terminal-line .term-success {
  color: var(--term-green);
}

.terminal-line .term-error {
  color: var(--term-red);
}

.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--term-green);
  vertical-align: text-bottom;
  animation: termBlink 1s step-end infinite;
  margin-left: 2px;
}

@keyframes termBlink {
  50% { opacity: 0; }
}

/* Hero CTA */
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 32px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  border-radius: var(--radius-sm);
  transition: all var(--duration) var(--ease);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.25);
}

.hero-cta:hover {
  background: #4f8ef7;
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.4);
}

.hero-cta svg {
  width: 18px;
  height: 18px;
  transition: transform var(--duration) var(--ease);
}

.hero-cta:hover svg {
  transform: translateX(-4px);
}

/* Scroll indicator */
.scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-subtle);
  font-size: 11px;
  letter-spacing: 0.1em;
  animation: scrollBounce 2.5s ease-in-out infinite;
}

.scroll-hint-line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50% { transform: translateX(-50%) translateY(8px); opacity: 0.5; }
}

/* ── 7. About Section ──────────────────────────────── */
.about {
  position: relative;
  padding: 130px 0 110px;
  background: var(--bg-primary);
  z-index: 1;
}

/* Gradient transition from hero */
.about::before {
  content: '';
  position: absolute;
  top: -80px;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, var(--bg-deep), var(--bg-primary));
  pointer-events: none;
}

.about-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-heading {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 4vw, 46px);
  color: var(--text-heading);
  letter-spacing: -0.03em;
  line-height: 1.3;
}

.about-intro {
  max-width: 720px;
  margin: 0 auto 60px;
  text-align: center;
  font-size: clamp(17px, 1.8vw, 20px);
  line-height: 2;
  color: var(--text);
}

.about-intro strong {
  color: var(--accent-light);
  font-weight: 600;
}

/* Team Cards — with animated gradient border */
.team-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.team-card {
  position: relative;
  padding: 36px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
  transition: all var(--duration) var(--ease);
}

/* Animated gradient border on right */
.team-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-accent);
  background-size: 100% 300%;
  border-radius: 0 var(--radius) var(--radius) 0;
  animation: gradientSlide 4s ease infinite;
}

@keyframes gradientSlide {
  0%, 100% { background-position: 0% 0%; }
  50% { background-position: 0% 100%; }
}

.team-card::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  bottom: -80px;
  left: -60px;
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}

.team-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

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

.team-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--accent-dim);
  border: 1px solid rgba(59, 130, 246, 0.15);
  margin-bottom: 20px;
  color: var(--accent-light);
  transition: all var(--duration) var(--ease);
}

.team-icon svg {
  width: 28px;
  height: 28px;
}

.team-card:hover .team-icon {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}

.team-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.team-card p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.9;
  margin: 0;
}

/* ── 8. Stats / Social Proof Section ───────────────── */
.stats {
  position: relative;
  padding: 80px 0;
  background: var(--bg-deep);
  z-index: 1;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 80% at 20% 50%, rgba(59, 130, 246, 0.06), transparent),
    radial-gradient(ellipse 50% 80% at 80% 50%, rgba(139, 92, 246, 0.04), transparent);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  position: relative;
  text-align: center;
  padding: 40px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--duration) var(--ease);
  overflow: hidden;
}

/* Animated gradient border top */
.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  background-size: 300% 100%;
  animation: gradientSlideH 4s ease infinite;
}

@keyframes gradientSlideH {
  0%, 100% { background-position: 0% 0%; }
  50% { background-position: 100% 0%; }
}

.stat-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-hover);
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.3),
    0 0 24px rgba(59, 130, 246, 0.08);
}

.stat-number {
  display: inline;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 4vw, 52px);
  color: var(--text-heading);
  line-height: 1.1;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-suffix {
  display: inline;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 36px);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* ── 9. Services Section — Flip Cards ──────────────── */
.services {
  position: relative;
  padding: 130px 0 120px;
  background: var(--bg-elevated);
  z-index: 1;
}

.services::before {
  content: '';
  position: absolute;
  top: -80px;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, var(--bg-deep), var(--bg-elevated));
  pointer-events: none;
}

.services-header {
  text-align: center;
  margin-bottom: 60px;
}

.service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* Flip Card Container */
.flip-card {
  perspective: 1000px;
  min-height: 340px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 340px;
  transition: transform 0.7s var(--ease);
  transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius);
  overflow: hidden;
}

/* Front */
.flip-card-front {
  padding: 36px 30px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  z-index: 2;
}

/* Animated gradient bottom bar */
.flip-card-front::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 24px;
  right: 24px;
  height: 2px;
  background: var(--gradient-accent);
  background-size: 300% 100%;
  border-radius: 2px;
  animation: gradientSlideH 4s ease infinite;
}

.flip-hint {
  display: block;
  margin-top: auto;
  padding-top: 16px;
  font-size: 12px;
  color: var(--text-subtle);
  opacity: 0;
  transform: translateY(4px);
  transition: all 0.4s var(--ease);
}

.flip-card:hover .flip-hint {
  opacity: 0; /* hide when flipping */
}

.flip-card-front:hover .flip-hint {
  opacity: 1;
  transform: translateY(0);
}

/* Back */
.flip-card-back {
  transform: rotateY(180deg);
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  z-index: 1;
}

/* Glow on back */
.flip-card-back::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(59, 130, 246, 0.12), transparent 60%);
  pointer-events: none;
}

.flip-back-stat {
  margin-bottom: 24px;
}

.flip-stat-number {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 48px;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.flip-stat-suffix {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.flip-stat-label {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
}

.flip-back-features {
  list-style: none;
  margin-bottom: 24px;
  width: 100%;
}

.flip-back-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 13.5px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  text-align: right;
  direction: rtl;
}

.flip-back-features li:last-child {
  border-bottom: none;
}

.flip-back-features li svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--term-green);
}

.flip-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  border-radius: var(--radius-xs);
  transition: all var(--duration) var(--ease);
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.25);
}

.flip-cta:hover {
  background: #4f8ef7;
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 28px rgba(59, 130, 246, 0.4);
}

/* Service Icon (shared) */
.service-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--accent-dim);
  border: 1px solid rgba(59, 130, 246, 0.12);
  margin-bottom: 22px;
  color: var(--accent-light);
  transition: all var(--duration) var(--ease);
}

.service-icon svg {
  width: 26px;
  height: 26px;
}

.flip-card-front h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  color: var(--text-heading);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.flip-card-front p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-tag {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(59, 130, 246, 0.06);
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: 20px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--accent-bright);
}

/* ── 10. Contact Section ───────────────────────────── */
.contact {
  position: relative;
  padding: 130px 0 120px;
  background: var(--bg-primary);
  z-index: 1;
}

.contact::before {
  content: '';
  position: absolute;
  top: -80px;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, var(--bg-elevated), var(--bg-primary));
  pointer-events: none;
}

.contact-header {
  text-align: center;
  margin-bottom: 56px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: start;
}

/* Terminal Contact Form */
.contact-terminal {
  background: var(--term-bg);
  border: 1px solid rgba(100, 160, 230, 0.12);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.4),
    0 0 40px rgba(59, 130, 246, 0.05);
}

.contact-terminal-body {
  padding: 24px 20px;
}

.term-field {
  margin-bottom: 16px;
}

.term-prompt {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-subtle);
  margin-bottom: 6px;
}

.term-user {
  color: var(--term-green);
}

.term-field input,
.term-field textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xs);
  padding: 12px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: all var(--duration) var(--ease);
  direction: rtl;
}

.term-field input::placeholder,
.term-field textarea::placeholder {
  color: var(--text-subtle);
}

.term-field input:focus,
.term-field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1), 0 0 20px rgba(59, 130, 246, 0.06);
  background: rgba(59, 130, 246, 0.03);
}

.term-field textarea {
  resize: vertical;
  min-height: 80px;
}

.term-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-xs);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.25);
  margin-top: 8px;
}

.term-submit:hover {
  background: #4f8ef7;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(59, 130, 246, 0.35);
}

.term-submit svg {
  width: 18px;
  height: 18px;
}

/* Contact Info Cards */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-card {
  position: relative;
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  gap: 18px;
  transition: all var(--duration) var(--ease);
  overflow: hidden;
}

.contact-card:hover {
  border-color: var(--border-hover);
  transform: translateX(-5px);
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.3);
}

.contact-icon {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid rgba(59, 130, 246, 0.15);
  color: var(--accent-light);
  transition: all var(--duration) var(--ease);
  flex-shrink: 0;
}

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

.contact-card:hover .contact-icon {
  background: rgba(59, 130, 246, 0.18);
  border-color: var(--accent);
  box-shadow: 0 0 24px var(--accent-glow);
}

.contact-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 2px;
}

.contact-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-heading);
  direction: ltr;
  unicode-bidi: isolate;
  transition: color var(--duration) var(--ease);
}

a.contact-card:hover .contact-value {
  color: var(--accent-light);
}

/* ── 11. Footer ────────────────────────────────────── */
.footer {
  padding: 28px 0;
  border-top: 1px solid var(--border);
  background: var(--bg-deep);
  position: relative;
  z-index: 1;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-subtle);
  font-size: 13px;
}

/* ── 12. Spotlight Effect (Card Mouse Glow) ────────── */
.spotlight-card {
  --spotlight-x: 50%;
  --spotlight-y: 50%;
}

.spotlight-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    350px circle at var(--spotlight-x) var(--spotlight-y),
    rgba(59, 130, 246, 0.10),
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
  z-index: 1;
}

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

/* ── 13. Scroll Reveal Animations ──────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

/* Staggered delays for grid children */
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }

/* Hero entrance animation */
@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content > * {
  animation: heroFadeIn 0.9s var(--ease-out) both;
}

.hero-content > *:nth-child(1) { animation-delay: 0.3s; }
.hero-content > *:nth-child(2) { animation-delay: 0.6s; }
.hero-content > *:nth-child(3) { animation-delay: 1.0s; }

/* Subtle floating effect for icons */
@keyframes subtleFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* ── 14. Responsive ────────────────────────────────── */

/* Tablet */
@media (max-width: 900px) {
  :root {
    --shell-width: min(100% - 40px, 680px);
  }

  .team-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .service-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .contact-info {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 16px;
  }

  .contact-card {
    flex: 1 1 calc(50% - 8px);
    min-width: 220px;
  }
}

/* Mobile */
@media (max-width: 640px) {
  :root {
    --shell-width: calc(100% - 32px);
  }

  /* Header Mobile */
  .header {
    height: 66px;
  }

  .brand {
    font-size: 18px;
  }

  .brand img {
    width: 32px;
    height: 32px;
  }

  .menu-btn {
    display: flex;
  }

  .nav {
    display: none;
    position: absolute;
    top: 66px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(8, 20, 36, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-card);
    padding: 8px 0;
  }

  .nav.open {
    display: flex;
  }

  .nav-link,
  .nav-cta {
    display: block;
    padding: 14px 24px;
    text-align: center;
  }

  .nav-link::after {
    display: none;
  }

  .nav-cta {
    margin: 8px 16px;
    border-radius: var(--radius-xs);
  }

  /* Hero Mobile */
  .hero {
    min-height: 100dvh;
  }

  .hero-brand {
    font-size: clamp(42px, 12vw, 56px);
  }

  .hero-terminal {
    max-width: 100%;
    margin: 0 auto 28px;
  }

  .terminal-body {
    padding: 14px 16px;
    font-size: 12px;
    min-height: 100px;
  }

  .hero-cta {
    padding: 12px 26px;
    font-size: 15px;
  }

  .scroll-hint {
    bottom: 24px;
  }

  /* Sections Mobile */
  .about,
  .services,
  .contact {
    padding: 90px 0 80px;
  }

  .about::before,
  .services::before,
  .contact::before {
    height: 50px;
    top: -50px;
  }

  .section-heading {
    font-size: clamp(26px, 6vw, 34px);
  }

  .about-intro {
    font-size: 16px;
    margin-bottom: 40px;
  }

  .team-card {
    padding: 28px 24px;
  }

  .team-card h3 {
    font-size: 19px;
  }

  /* Service Cards Mobile — flat layout, no flip */
  .flip-card {
    perspective: none !important;
    min-height: auto !important;
    height: auto !important;
    overflow: visible !important;
  }

  .flip-card-inner {
    transform-style: flat !important;
    min-height: auto !important;
    height: auto !important;
    transition: none !important;
    transform: none !important;
    overflow: visible !important;
    display: flex !important;
    flex-direction: column !important;
  }

  .flip-card:hover .flip-card-inner {
    transform: none !important;
  }

  .flip-card-front,
  .flip-card-back {
    position: relative !important;
    inset: auto !important;
    backface-visibility: visible !important;
    -webkit-backface-visibility: visible !important;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    height: auto !important;
    overflow: visible !important;
  }

  .flip-card-front {
    padding: 28px 24px 24px;
    border-radius: var(--radius) var(--radius) 0 0 !important;
    border-bottom: none !important;
  }

  .flip-card-front h3 {
    font-size: 19px;
  }

  /* Hide the flip hint */
  .flip-hint {
    display: none !important;
  }

  /* Hide the animated gradient border on back */
  .flip-card-back::before {
    display: none;
  }

  /* Back becomes a continuation of the same card */
  .flip-card-back {
    border-radius: 0 0 var(--radius) var(--radius) !important;
    border-top: 1px solid var(--border-card) !important;
    padding: 24px !important;
    text-align: right;
    align-items: stretch;
    display: flex !important;
    flex-direction: column !important;
  }

  /* Hide the stat number on mobile — card is compact */
  .flip-back-stat {
    display: none;
  }

  .flip-back-features {
    margin-bottom: 20px;
    width: 100%;
  }

  .flip-back-features li {
    justify-content: flex-start;
  }

  .flip-cta {
    display: flex;
    justify-content: center;
    width: 100%;
    padding: 12px 20px;
    font-size: 14px;
  }

  /* Stats */
  .stats {
    padding: 60px 0;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .stat-card {
    padding: 28px 16px;
  }

  .stat-number {
    font-size: clamp(30px, 8vw, 42px);
  }

  /* Contact */
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .contact-info {
    flex-direction: column;
  }

  .contact-card {
    flex: 1;
  }

  .footer-inner {
    flex-direction: column;
    gap: 6px;
    text-align: center;
  }
}

/* Extra-small mobile (iPhone SE, Galaxy S series, etc.) */
@media (max-width: 420px) {
  :root {
    --shell-width: calc(100% - 24px);
  }

  .hero-brand {
    font-size: clamp(36px, 11vw, 48px);
    margin-bottom: 16px;
  }

  .hero-terminal {
    margin: 0 auto 20px;
  }

  .terminal-body {
    padding: 12px 12px;
    font-size: 10.5px;
    line-height: 1.9;
    min-height: 90px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .terminal-header {
    padding: 8px 12px;
  }

  .terminal-title {
    font-size: 10px;
  }

  .terminal-dot {
    width: 10px;
    height: 10px;
  }

  .hero-cta {
    padding: 11px 22px;
    font-size: 14px;
  }

  /* Stats */
  .stats-grid {
    gap: 12px;
  }

  .stat-card {
    padding: 24px 12px;
  }

  .stat-number {
    font-size: clamp(28px, 8vw, 36px);
  }

  .stat-suffix {
    font-size: clamp(18px, 5vw, 24px);
  }

  .stat-label {
    font-size: 12px;
    margin-top: 6px;
  }

  /* Flip Cards — extra-small sizing */
  .flip-card-front {
    padding: 24px 18px 20px;
  }

  .flip-card-front h3 {
    font-size: 17px;
    margin-bottom: 10px;
  }

  .flip-card-front p {
    font-size: 13px;
    line-height: 1.7;
    margin-bottom: 12px;
  }

  .service-tag {
    padding: 4px 10px;
    font-size: 11px;
  }

  .flip-card-back {
    padding: 20px 18px;
  }

  .flip-back-features li {
    font-size: 12px;
    padding: 6px 0;
    gap: 8px;
  }

  .flip-cta {
    padding: 10px 18px;
    font-size: 13px;
  }

  /* About */
  .about-intro {
    font-size: 15px;
    line-height: 1.9;
  }

  .team-card {
    padding: 24px 18px;
  }

  .team-card h3 {
    font-size: 17px;
  }

  .team-card p {
    font-size: 13.5px;
  }

  .team-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
  }

  .team-icon svg {
    width: 24px;
    height: 24px;
  }

  /* Contact */
  .contact-terminal-body {
    padding: 18px 14px;
  }

  .term-prompt {
    font-size: 10px;
  }

  .term-field input,
  .term-field textarea {
    padding: 10px 12px;
    font-size: 13px;
  }

  .term-submit {
    padding: 12px;
    font-size: 14px;
  }

  .contact-card {
    padding: 22px 18px;
    gap: 14px;
  }

  .contact-icon {
    width: 44px;
    height: 44px;
  }

  .contact-icon svg {
    width: 20px;
    height: 20px;
  }

  .contact-value {
    font-size: 13.5px;
  }

  .contact-label {
    font-size: 10px;
  }

  /* Section spacing */
  .about,
  .services,
  .contact {
    padding: 70px 0 60px;
  }

  .section-heading {
    font-size: clamp(24px, 6vw, 30px);
  }

  .section-label {
    font-size: 11px;
    margin-bottom: 10px;
  }

  .about-header,
  .services-header,
  .contact-header {
    margin-bottom: 40px;
  }
}

/* Touch devices: ensure no accidental flip */
@media (hover: none) {
  .flip-card:hover .flip-card-inner {
    transform: none;
  }
}