/* ============================================================
   NEXUSPANEL — CYBER SMM PLATFORM
   style.css — Main Stylesheet
   Theme: White/Silver Robot × Electric Cyan/Blue
   ============================================================ */

/* ─── CUSTOM PROPERTIES ─── */
:root {
  --cyan:        #00f0ff;
  --cyan-dim:    #00b8cc;
  --cyan-glow:   rgba(0, 240, 255, 0.35);
  --cyan-faint:  rgba(0, 240, 255, 0.08);
  --blue:        #0066ff;
  --blue-glow:   rgba(0, 102, 255, 0.4);
  --white:       #e8f4ff;
  --silver:      #a8bfd4;
  --silver-dim:  #607080;
  --bg-dark:     #010a12;
  --bg-mid:      #030f1a;
  --bg-card:     rgba(3, 18, 32, 0.88);
  --border-cyber: rgba(0, 240, 255, 0.3);
  --border-bright: rgba(0, 240, 255, 0.7);
  --font-main:   'Rajdhani', sans-serif;
  --font-head:   'Orbitron', sans-serif;
  --font-mono:   'Share Tech Mono', monospace;
  --header-h:    70px;
  --robot-size:  520px;
}

/* ─── RESET & BASE ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg-dark);
  color: var(--white);
  font-family: var(--font-main);
  font-size: 16px;
  min-height: 100vh;
  overflow-x: hidden;
  cursor: crosshair;
}

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

/* ─── BACKGROUND CANVAS ─── */
.bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ─── LIGHTNING CANVAS ─── */
.lightning-canvas {
  position: fixed;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.6;
}

/* ─── SCANLINE ─── */
.scanline-overlay {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0,240,255,0.015) 3px,
    rgba(0,240,255,0.015) 4px
  );
  animation: scanMove 8s linear infinite;
}
@keyframes scanMove {
  from { background-position: 0 0; }
  to   { background-position: 0 200px; }
}

/* ─── ALL CONTENT ABOVE CANVASES ─── */
.site-header, .hero-section, .scroll-divider,
.register-section, .site-footer, .mobile-nav {
  position: relative;
  z-index: 10;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  height: var(--header-h);
  background: rgba(1, 10, 18, 0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-cyber);
  overflow: visible;
  z-index: 100;
}

.header-lightning-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--cyan) 20%,
    var(--blue) 50%,
    var(--cyan) 80%,
    transparent 100%
  );
  animation: headerBar 3s ease-in-out infinite;
  box-shadow: 0 0 12px var(--cyan), 0 0 24px var(--blue);
}
@keyframes headerBar {
  0%,100% { opacity: 0.7; }
  50%     { opacity: 1; }
}

.header-inner { height: var(--header-h); }

/* Brand */
.brand-wrap { display: flex; align-items: center; gap: 12px; }

.brand-hex {
  position: relative;
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
}
.brand-hex-icon {
  font-size: 42px;
  color: var(--cyan);
  filter: drop-shadow(0 0 8px var(--cyan));
  animation: hexPulse 2.5s ease-in-out infinite;
}
.brand-hex-bolt {
  position: absolute;
  font-size: 18px;
  color: var(--bg-dark);
}
@keyframes hexPulse {
  0%,100% { filter: drop-shadow(0 0 6px var(--cyan)); }
  50%     { filter: drop-shadow(0 0 18px var(--cyan)) drop-shadow(0 0 32px var(--blue)); }
}

.brand-text-block { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name {
  font-family: var(--font-head);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 900;
  letter-spacing: 0.1em;
  color: var(--white);
  text-shadow: 0 0 10px rgba(232,244,255,0.4);
}
.brand-accent {
  color: var(--cyan);
  text-shadow: 0 0 12px var(--cyan);
}
.brand-tagline {
  font-family: var(--font-mono);
  font-size: 0.5rem;
  color: var(--silver-dim);
  letter-spacing: 0.2em;
  margin-top: 2px;
}

/* Header nav */
.nav-link-cyber {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--silver);
  padding: 6px 14px;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}
.nav-link-cyber::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--cyan-faint);
  transform: translateX(-100%);
  transition: transform 0.25s ease;
}
.nav-link-cyber:hover,
.nav-link-cyber.active {
  color: var(--cyan);
  border-color: var(--border-cyber);
  text-shadow: 0 0 10px var(--cyan);
}
.nav-link-cyber:hover::before { transform: translateX(0); }

/* Mobile menu button */
.btn-mobile-menu {
  background: none;
  border: 1px solid var(--border-cyber);
  border-radius: 3px;
  padding: 8px 10px;
  cursor: pointer;
  display: flex; flex-direction: column; gap: 5px;
}
.btn-mobile-menu span {
  display: block;
  width: 22px; height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
  transition: all 0.3s;
}

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  flex-direction: column;
  background: rgba(1,10,18,0.97);
  border-bottom: 1px solid var(--border-cyber);
  padding: 12px 0;
  position: absolute;
  width: 100%; left: 0;
  top: var(--header-h);
  z-index: 200;
}
.mobile-nav.open { display: flex; }
.mobile-nav-link {
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--silver);
  padding: 12px 24px;
  border-bottom: 1px solid rgba(0,240,255,0.07);
  transition: all 0.2s;
}
.mobile-nav-link:hover { color: var(--cyan); background: var(--cyan-faint); }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section {
  min-height: calc(100vh - var(--header-h));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 16px 60px;
  overflow: hidden;
}

.hero-layout {
  width: 100%;
  max-width: 1400px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

/* ─── SIDE CARDS ─── */
.side-card {
  flex: 0 0 260px;
  max-width: 260px;
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-cyber);
  border-radius: 6px;
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  min-height: 420px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  backdrop-filter: blur(12px);
}
.side-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 30px var(--cyan-glow), 0 0 60px rgba(0,102,255,0.15);
  border-color: var(--border-bright);
}

/* Animated corner brackets */
.card-corner {
  position: absolute;
  width: 14px; height: 14px;
  border-color: var(--cyan);
  border-style: solid;
  border-width: 0;
}
.c-tl { top: -1px; left: -1px; border-top-width: 2px; border-left-width: 2px; }
.c-tr { top: -1px; right: -1px; border-top-width: 2px; border-right-width: 2px; }
.c-bl { bottom: -1px; left: -1px; border-bottom-width: 2px; border-left-width: 2px; }
.c-br { bottom: -1px; right: -1px; border-bottom-width: 2px; border-right-width: 2px; }

.side-card-glow {
  position: absolute;
  inset: -1px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--cyan-glow), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.side-card:hover .side-card-glow { opacity: 1; }

.side-card-inner { display: flex; flex-direction: column; height: 100%; gap: 12px; }

.sc-icon-wrap {
  position: relative;
  width: 54px; height: 54px;
  margin-bottom: 4px;
}
.sc-icon {
  font-size: 28px;
  color: var(--cyan);
  filter: drop-shadow(0 0 8px var(--cyan));
  position: relative; z-index: 1;
  line-height: 54px;
}
.sc-icon-ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--border-cyber);
  border-radius: 50%;
  animation: ringPulse 2s ease-in-out infinite;
}
@keyframes ringPulse {
  0%,100% { transform: scale(1); opacity: 0.6; }
  50%      { transform: scale(1.15); opacity: 1; }
}

.sc-title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--white);
  text-shadow: 0 0 10px rgba(232,244,255,0.3);
}
.sc-desc {
  font-family: var(--font-main);
  font-size: 0.85rem;
  color: var(--silver);
  line-height: 1.55;
}

.sc-stats {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--border-cyber);
  border-bottom: 1px solid var(--border-cyber);
}
.sc-stat { text-align: center; flex: 1; }
.sc-stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--cyan);
  text-shadow: 0 0 10px var(--cyan);
}
.sc-plus { font-size: 0.9rem; }
.sc-stat-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--silver-dim);
  letter-spacing: 0.1em;
}
.sc-stat-div { width: 1px; height: 36px; background: var(--border-cyber); }

/* Services list */
.sc-service-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.sc-service-list li {
  font-family: var(--font-main);
  font-size: 0.85rem;
  color: var(--silver);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
}
.sc-service-list li i {
  color: var(--cyan);
  font-size: 0.9rem;
}
.sc-service-list li:hover { color: var(--cyan); }

/* ─── BUTTONS ─── */
.btn-cyber {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--cyan) !important;
  background: var(--cyan-faint);
  border: 1px solid var(--border-cyber);
  border-radius: 3px;
  padding: 10px 16px;
  cursor: pointer;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-cyber:hover {
  background: rgba(0,240,255,0.15);
  border-color: var(--cyan);
  box-shadow: 0 0 18px var(--cyan-glow);
  color: var(--cyan);
  text-shadow: 0 0 8px var(--cyan);
}
.btn-scan-line {
  position: absolute;
  top: 0; left: -100%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0,240,255,0.15), transparent);
  transition: none;
}
.btn-cyber:hover .btn-scan-line,
.btn-login-submit:hover .btn-scan-line,
.btn-register-submit:hover .btn-scan-line {
  animation: scanLine 0.6s linear;
}
@keyframes scanLine {
  from { left: -60%; }
  to   { left: 120%; }
}

/* ============================================================
   CENTER ZONE — ROBOT
   ============================================================ */
.center-zone {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  position: relative;
  z-index: 5;
}

/* ─── ROBOT SCENE ─── */
.robot-scene-wrap {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.robot-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Platform rings under robot */
.robot-platform {
  position: absolute;
  bottom: -10px;
  left: 50%; transform: translateX(-50%);
  width: 280px; height: 60px;
  z-index: 0;
}
.platform-ring {
  position: absolute;
  left: 50%; transform: translateX(-50%);
  border-radius: 50%;
  border: 1px solid var(--cyan);
}
.pr1 {
  width: 160px; height: 30px;
  bottom: 0;
  box-shadow: 0 0 12px var(--cyan), inset 0 0 8px var(--cyan-glow);
  animation: ringFade 2s ease-in-out infinite;
}
.pr2 {
  width: 240px; height: 45px;
  bottom: -8px;
  opacity: 0.4;
  animation: ringFade 2s ease-in-out infinite 0.4s;
}
.pr3 {
  width: 320px; height: 60px;
  bottom: -16px;
  opacity: 0.2;
  animation: ringFade 2s ease-in-out infinite 0.8s;
}
.platform-beam {
  position: absolute;
  bottom: 0; left: 50%; transform: translateX(-50%);
  width: 3px; height: 40px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  opacity: 0.6;
  animation: beamPulse 1.5s ease-in-out infinite;
}
@keyframes ringFade {
  0%,100% { opacity: 0.6; }
  50%     { opacity: 1; box-shadow: 0 0 20px var(--cyan); }
}
@keyframes beamPulse {
  0%,100% { opacity: 0.4; }
  50%     { opacity: 0.9; }
}

/* ─── ROBOT WRAP & ROTATOR ─── */
.robot-wrap {
  position: relative;
  width: var(--robot-size);
  display: flex;
  flex-direction: column;
  align-items: center;
  user-select: none;
}

.robot-rotator {
  position: relative;
  width: var(--robot-size);
  cursor: grab;
  transform-style: preserve-3d;
  transition: transform 0.05s linear;
}
.robot-rotator:active { cursor: grabbing; }

.robot-image-shell {
  position: relative;
  width: 100%;
}

/* Remove background from robot image using multiply blend mode + masking */
.robot-img {
  width: 100%;
  display: block;
  mix-blend-mode: lighten;
  filter:
    contrast(1.08)
    saturate(1.15)
    drop-shadow(0 0 28px rgba(0, 240, 255, 0.55))
    drop-shadow(0 0 60px rgba(0, 102, 255, 0.35))
    drop-shadow(0 20px 40px rgba(0,0,0,0.9));
  animation: robotFloat 4s ease-in-out infinite;
  pointer-events: none;
  border-radius: 4px;
}
@keyframes robotFloat {
  0%,100% { transform: translateY(0px); }
  50%     { transform: translateY(-10px); }
}

/* 3D depth layers */
.robot-depth-shadow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 80%, rgba(0,0,0,0.6) 0%, transparent 70%);
  pointer-events: none;
  mix-blend-mode: multiply;
}
.robot-rim-light {
  position: absolute;
  top: 0; bottom: 0;
  width: 40%;
  pointer-events: none;
  opacity: 0.18;
  transition: opacity 0.2s;
}
.robot-rim-light--left {
  left: 0;
  background: linear-gradient(to right, rgba(0,240,255,0.5), transparent);
}
.robot-rim-light--right {
  right: 0;
  background: linear-gradient(to left, rgba(0,102,255,0.4), transparent);
}
.robot-gloss {
  position: absolute;
  top: 5%; left: 25%;
  width: 50%; height: 30%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.robot-holo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(0,240,255,0) 0%,
    rgba(0,240,255,0.08) 50%,
    rgba(0,102,255,0.06) 100%
  );
  opacity: 0;
  transition: opacity 0.1s;
  pointer-events: none;
  mix-blend-mode: screen;
}
.robot-rotator.rotating .robot-holo-overlay { opacity: 1; }
.robot-rotator.rotating .robot-rim-light { opacity: 0.35; }

/* ─── FLOATING TECH BOXES ─── */
.float-tech {
  position: absolute;
  background: rgba(2, 14, 28, 0.9);
  border: 1px solid var(--border-cyber);
  border-radius: 4px;
  padding: 10px 12px;
  min-width: 110px;
  backdrop-filter: blur(8px);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--cyan);
  display: flex;
  flex-direction: column;
  gap: 5px;
  box-shadow: 0 0 14px var(--cyan-glow);
  pointer-events: none;
}
.ft1 {
  left: -5%;
  top: 55%;
  animation: floatBox1 3.5s ease-in-out infinite;
}
.ft2 {
  right: -5%;
  top: 48%;
  animation: floatBox2 4s ease-in-out infinite 0.5s;
}
.ft3 {
  right: -3%;
  top: 72%;
  animation: floatBox1 3s ease-in-out infinite 1s;
}
@keyframes floatBox1 {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-8px); }
}
@keyframes floatBox2 {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(8px); }
}

.ft-header { display: flex; gap: 4px; margin-bottom: 2px; }
.ft-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--silver-dim); }
.ft-dot.d1 { background: #ff5f56; }
.ft-dot.d2 { background: #ffbd2e; }
.ft-dot.d3 { background: #27c93f; }
.ft-icon { font-size: 0.9rem; color: var(--cyan); }
.ft-line {
  height: 2px;
  background: rgba(0,240,255,0.25);
  border-radius: 1px;
}
.ft-bar-row {
  height: 3px;
  background: rgba(0,240,255,0.1);
  border-radius: 2px;
  overflow: hidden;
}
.ft-bar-fill {
  height: 100%;
  width: var(--w, 80%);
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
  animation: barAnim 2s ease-in-out infinite alternate;
}
@keyframes barAnim {
  from { width: var(--w, 80%); }
  to   { width: calc(var(--w, 80%) - 15%); }
}
.ft-label { font-size: 0.58rem; color: var(--silver-dim); }

/* Drag hint */
.drag-hint {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--silver-dim);
  letter-spacing: 0.1em;
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 1;
  transition: opacity 0.5s;
}
.drag-hint.hidden { opacity: 0; }

/* ============================================================
   LOGIN FORM CARD
   ============================================================ */
.login-form-card {
  position: relative;
  width: 100%;
  max-width: 680px;
  background: var(--bg-card);
  border: 1px solid var(--border-cyber);
  border-radius: 6px;
  padding: 24px 28px;
  backdrop-filter: blur(16px);
  margin-top: -10px;
  z-index: 4;
}

.login-lightning-bar {
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--blue), var(--cyan), transparent);
  box-shadow: 0 0 12px var(--cyan);
  animation: headerBar 2s ease-in-out infinite;
}

.login-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-cyber);
}
.lch-icon {
  font-size: 1.8rem;
  color: var(--cyan);
  filter: drop-shadow(0 0 10px var(--cyan));
  animation: iconGlow 2.5s ease-in-out infinite;
}
@keyframes iconGlow {
  0%,100% { filter: drop-shadow(0 0 8px var(--cyan)); }
  50%     { filter: drop-shadow(0 0 20px var(--cyan)) drop-shadow(0 0 40px var(--blue)); }
}
.lch-title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--white);
  margin: 0;
}
.lch-sub {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--silver-dim);
  letter-spacing: 0.08em;
}

/* Horizontal login row */
.login-row {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
}
.login-field {
  flex: 1;
  min-width: 150px;
}
.login-submit-field {
  flex: 0 0 auto;
}

.login-extras {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  flex-wrap: wrap;
  gap: 8px;
}
.login-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.link-sep { color: var(--silver-dim); }

/* Login submit button */
.btn-login-submit {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--bg-dark);
  background: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 100%);
  border: none;
  border-radius: 3px;
  padding: 12px 24px;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  transition: all 0.25s;
  box-shadow: 0 0 18px var(--cyan-glow);
}
.btn-login-submit:hover {
  box-shadow: 0 0 30px var(--cyan-glow), 0 0 60px var(--blue-glow);
  transform: translateY(-2px);
}

/* ─── CYBER INPUTS ─── */
.cyber-label {
  font-family: var(--font-head);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--silver-dim);
  display: block;
  margin-bottom: 6px;
}
.cyber-label i { color: var(--cyan); margin-right: 4px; }

.input-cyber-wrap {
  position: relative;
}
.input-cyber {
  width: 100%;
  background: rgba(0, 240, 255, 0.04);
  border: 1px solid var(--border-cyber);
  border-radius: 3px;
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 10px 36px 10px 12px;
  outline: none;
  transition: all 0.25s;
  caret-color: var(--cyan);
}
.input-cyber::placeholder { color: var(--silver-dim); }
.input-cyber:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px var(--cyan-glow), 0 0 18px var(--cyan-glow);
  background: rgba(0,240,255,0.07);
}
.input-glow-line {
  position: absolute;
  bottom: 0; left: 10%; right: 10%;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}
.input-cyber:focus ~ .input-glow-line { transform: scaleX(1); }

.pw-eye {
  position: absolute;
  right: 10px; top: 50%; transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--silver-dim);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0;
  transition: color 0.2s;
}
.pw-eye:hover { color: var(--cyan); }

/* Cyber checkbox */
.cyber-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 0.8rem;
  color: var(--silver);
}
.cyber-checkbox input { display: none; }
.cc-box {
  width: 16px; height: 16px;
  border: 1px solid var(--border-cyber);
  border-radius: 2px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.65rem;
  color: transparent;
  background: var(--cyan-faint);
  transition: all 0.2s;
  flex-shrink: 0;
}
.cyber-checkbox input:checked + .cc-box {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--bg-dark);
  box-shadow: 0 0 8px var(--cyan);
}
.cc-label { line-height: 1.3; }

/* Cyber links */
.cyber-link-sm {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan-dim);
  letter-spacing: 0.05em;
  transition: color 0.2s, text-shadow 0.2s;
}
.cyber-link-sm:hover {
  color: var(--cyan);
  text-shadow: 0 0 8px var(--cyan);
}

/* ============================================================
   PARTICLE FIELD
   ============================================================ */
.particle-field {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 4px var(--cyan);
  animation: particleFloat linear infinite;
  opacity: 0;
}
@keyframes particleFloat {
  0%   { transform: translateY(0) scale(1); opacity: 0; }
  10%  { opacity: 0.7; }
  90%  { opacity: 0.4; }
  100% { transform: translateY(-120vh) scale(0.3); opacity: 0; }
}

/* ============================================================
   SCROLL DIVIDER
   ============================================================ */
.scroll-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 32px;
  position: relative;
}
.sd-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-cyber), transparent);
}
.sd-badge {
  font-family: var(--font-head);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--cyan-dim);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.sd-badge i { font-size: 0.55rem; color: var(--cyan); }

/* ============================================================
   REGISTER SECTION
   ============================================================ */
.register-section {
  padding: 60px 16px 80px;
  position: relative;
  overflow: hidden;
}
.register-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,102,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.reg-lightning-bar {
  position: absolute;
  top: 0; left: 5%; right: 5%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue), var(--cyan), var(--blue), transparent);
  box-shadow: 0 0 16px var(--cyan);
  animation: headerBar 3s ease-in-out infinite 1s;
}

.register-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-cyber);
  border-radius: 8px;
  padding: 40px 36px;
  max-width: 820px;
  margin: 0 auto;
  backdrop-filter: blur(16px);
}

.register-header { position: relative; }
.reg-icon-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 70px; height: 70px;
  margin: 0 auto 16px;
}
.reg-main-icon {
  font-size: 2.2rem;
  color: var(--cyan);
  filter: drop-shadow(0 0 12px var(--cyan));
  position: relative; z-index: 1;
  animation: iconGlow 2s ease-in-out infinite;
}
.reg-icon-pulse {
  position: absolute;
  inset: 0;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  animation: ringPulse 2s ease-in-out infinite;
}

.reg-title {
  font-family: var(--font-head);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 900;
  letter-spacing: 0.15em;
  color: var(--white);
  text-shadow: 0 0 20px rgba(232,244,255,0.3);
  margin-bottom: 8px;
}
.reg-sub {
  font-family: var(--font-main);
  font-size: 0.9rem;
  color: var(--silver-dim);
  margin-bottom: 12px;
}
.reg-title-underline {
  width: 80px; height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  margin: 0 auto;
  box-shadow: 0 0 10px var(--cyan);
}

/* Register submit button */
.btn-register-submit {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--bg-dark);
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  border: none;
  border-radius: 4px;
  padding: 14px 48px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
  box-shadow: 0 0 24px var(--cyan-glow), 0 0 48px var(--blue-glow);
}
.btn-register-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px var(--cyan-glow), 0 0 80px var(--blue-glow);
}

.reg-login-note {
  font-family: var(--font-main);
  font-size: 0.85rem;
  color: var(--silver-dim);
}

/* ─── SCROLL CYBER EFFECT OVERLAY ─── */
.scroll-cyber-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 4px, rgba(0,240,255,0.04) 4px, rgba(0,240,255,0.04) 5px),
    radial-gradient(ellipse at 50% 50%, rgba(0,102,255,0.08) 0%, transparent 70%);
  transition: opacity 0.15s;
}
.scroll-cyber-overlay.active { opacity: 1; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: rgba(1,8,16,0.95);
  border-top: 1px solid var(--border-cyber);
  padding: 28px 16px;
}
.footer-brand {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--white);
  margin-bottom: 8px;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--silver-dim);
  letter-spacing: 0.08em;
  margin: 0;
}
.footer-copy a { color: var(--cyan-dim); }
.footer-copy a:hover { color: var(--cyan); }
.text-accent { color: var(--cyan); }

/* ============================================================
   ANIMATE-IN (intersection observer triggered)
   ============================================================ */
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */
@media (max-width: 1100px) {
  :root { --robot-size: 420px; }

  .hero-layout {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }
  .side-card {
    flex: 0 0 auto;
    width: 100%;
    max-width: 500px;
    min-height: auto;
  }
  .center-zone { width: 100%; max-width: 600px; }
  .side-card--left { order: 2; }
  .center-zone        { order: 1; }
  .side-card--right { order: 3; }
}

@media (max-width: 768px) {
  :root { --robot-size: 300px; }

  .hero-section { padding: 24px 12px 40px; }

  .login-row { flex-direction: column; gap: 14px; }
  .login-submit-field { width: 100%; }
  .btn-login-submit { width: 100%; justify-content: center; }

  .login-extras { flex-direction: column; align-items: flex-start; gap: 10px; }

  .register-card { padding: 24px 18px; }
  .btn-register-submit { width: 100%; justify-content: center; padding: 14px 24px; }

  .float-tech { display: none; }

  .sc-stats { flex-wrap: wrap; }

  .hero-layout { gap: 20px; }

  .login-form-card { padding: 18px 14px; }
}

@media (max-width: 480px) {
  :root { --robot-size: 260px; }

  .brand-name { font-size: 1rem; }
  .register-card { padding: 18px 12px; }
}