:root {
  --bg: #0a0a0a;
  --surface: #141414;
  --border: #333333;
  --neon: #ccff00; /* Electric Lime */
  --neon-dim: #99bf00;
  --text: #ededed;
  --text-mute: #888888;
  --font-head: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --container: 1280px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: 0.3s;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 100px 0;
  border-bottom: 1px solid var(--border);
}

/* Typography */
h1,
h2,
h3,
h4 {
  font-family: var(--font-head);
  font-weight: 700;
  text-transform: uppercase;
  color: #fff;
  line-height: 1.1;
}

h1 {
  font-size: clamp(3rem, 6vw, 5.5rem);
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(2rem, 5vw, 4rem);
  margin-bottom: 20px;
}

.neon-text {
  color: var(--neon);
}

.center {
  text-align: center;
}

/* Buttons */
.btn-neon {
  display: inline-block;
  background: var(--neon);
  color: #000;
  padding: 12px 24px;
  font-family: var(--font-head);
  font-weight: 700;
  text-transform: uppercase;
  border: 1px solid var(--neon);
  cursor: pointer;
  transition: 0.3s;
}

.btn-neon:hover {
  background: transparent;
  color: var(--neon);
}

.btn-ghost {
  display: inline-block;
  background: transparent;
  color: #fff;
  padding: 12px 24px;
  font-family: var(--font-head);
  font-weight: 700;
  text-transform: uppercase;
  border: 1px solid #fff;
  cursor: pointer;
  transition: 0.3s;
}

.btn-ghost:hover {
  background: #fff;
  color: #000;
}

.lnk-plain {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 14px;
}

.lnk-plain:hover {
  color: var(--neon);
}

.lg {
  padding: 16px 32px;
  font-size: 16px;
}
.sm {
  padding: 8px 16px;
  font-size: 12px;
}
.full {
  width: 100%;
  text-align: center;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--border);
  padding: 15px 0;
}

.h-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-txt {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -1px;
}

.desk-nav {
  display: flex;
  gap: 30px;
}

.desk-nav a {
  font-size: 14px;
  font-weight: 600;
  color: #aaa;
}

.desk-nav a:hover {
  color: var(--neon);
}

.h-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Burger */
.burger {
  display: none;
  background: none;
  border: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 1001;
}

.bar {
  width: 30px;
  height: 2px;
  background: var(--neon);
  display: block;
}

/* Mobile Menu */
.mob-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--bg);
  z-index: 2000;
  padding: 20px;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: 0.4s ease-in-out;
}

.mob-menu.active {
  transform: translateX(0);
}

.mm-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 20px;
}

.mm-brand {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  color: var(--neon);
}

.icon-btn {
  background: none;
  border: none;
  color: var(--neon);
  cursor: pointer;
}

.mm-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mm-nav a {
  font-family: var(--font-head);
  font-size: 24px;
  color: #fff;
}

.mm-foot {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  text-align: center;
}

.mm-cta {
  display: block;
  font-family: monospace;
  color: var(--neon);
  font-size: 18px;
  margin-bottom: 10px;
}

.mm-foot p {
  color: var(--text-mute);
  font-size: 12px;
}

/* Hero */
.hero {
  padding-top: 140px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: radial-gradient(circle at 50% 50%, #1a1a1a 0%, #0a0a0a 70%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.sys-badge {
  display: inline-block;
  background: rgba(204, 255, 0, 0.1);
  color: var(--neon);
  border: 1px solid var(--neon);
  padding: 5px 10px;
  font-family: monospace;
  font-size: 12px;
  margin-bottom: 20px;
}

.blink {
  animation: blink 1s infinite;
}

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

.hero-desc {
  color: #ccc;
  font-size: 18px;
  max-width: 550px;
  margin-bottom: 40px;
}

.hero-acts {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
}

.hero-note {
  font-size: 12px;
  color: #555;
  font-family: monospace;
}

.terminal-window {
  background: #000;
  border: 1px solid #333;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.tw-head {
  background: #1a1a1a;
  padding: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid #333;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.r {
  background: #ff5f56;
}
.y {
  background: #ffbd2e;
}
.g {
  background: #27c93f;
}

.tw-title {
  margin-left: 10px;
  font-family: monospace;
  font-size: 12px;
  color: #888;
}

.tw-body {
  padding: 20px;
  font-family: "Courier New", monospace;
  font-size: 14px;
}

.kwd {
  color: #c678dd;
}
.str {
  color: #98c379;
}
.func {
  color: #61afef;
}
.com {
  color: #5c6370;
  display: block;
  margin-top: 10px;
}
.out {
  color: var(--neon);
  display: block;
  margin-top: 10px;
}

/* Ticker */
.ticker-box {
  background: var(--neon);
  color: #000;
  padding: 10px 0;
  overflow: hidden;
  white-space: nowrap;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14px;
  border-top: 1px solid #fff;
  border-bottom: 1px solid #fff;
}

.track {
  display: inline-block;
  animation: tick 20s linear infinite;
}

.track span {
  margin: 0 20px;
}

@keyframes tick {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Method */
.bg-dark {
  background: #0e0e0e;
}

.sec-head {
  margin-bottom: 60px;
}

.sec-head p {
  color: var(--text-mute);
  font-size: 18px;
  max-width: 600px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 30px;
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  border-color: var(--neon);
}

.fc-num {
  font-family: var(--font-head);
  font-size: 50px;
  color: #1a1a1a;
  position: absolute;
  top: 10px;
  right: 20px;
  font-weight: 700;
  z-index: 0;
}

.feature-card h3 {
  position: relative;
  z-index: 1;
  font-size: 22px;
  margin-bottom: 15px;
}

.feature-card p {
  position: relative;
  z-index: 1;
  color: #999;
  font-size: 14px;
}

/* Courses */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.course-item {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 40px 30px;
  transition: 0.3s;
}

.course-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 0 var(--neon);
}

.ci-badge {
  display: inline-block;
  background: #222;
  color: var(--neon);
  font-size: 10px;
  padding: 4px 8px;
  margin-bottom: 20px;
  font-weight: 700;
}

.course-item h3 {
  font-size: 24px;
  margin-bottom: 15px;
}

.course-item p {
  color: #bbb;
  font-size: 14px;
  margin-bottom: 20px;
}

.tech-stack {
  display: flex;
  gap: 10px;
  list-style: none;
  margin-bottom: 30px;
}

.tech-stack li {
  font-family: monospace;
  font-size: 12px;
  color: #666;
  border: 1px solid #333;
  padding: 2px 6px;
}

.lnk-arr {
  font-family: monospace;
  color: var(--neon);
  text-decoration: underline;
}

/* Blog */
.bg-charcoal {
  background: #111;
}

.split-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 50px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 20px;
}

.blog-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 50px;
}

.blog-main {
  display: block;
}

.bm-img {
  height: 350px;
  overflow: hidden;
  margin-bottom: 25px;
  border: 1px solid var(--border);
}

.bm-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: 0.5s;
  filter: grayscale(100%);
}

.blog-main:hover img {
  filter: grayscale(0%);
}

.date {
  font-family: monospace;
  color: var(--neon);
  font-size: 12px;
  display: block;
  margin-bottom: 10px;
}

.bm-info h3 {
  font-size: 28px;
  margin-bottom: 15px;
}

.bm-info p {
  color: #888;
  margin-bottom: 20px;
}

.read-more {
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 700;
  border-bottom: 1px solid #fff;
}

.bs-item {
  border-bottom: 1px solid #333;
  padding-bottom: 20px;
  margin-bottom: 20px;
}

.bs-item h4 {
  font-size: 18px;
  margin-bottom: 10px;
}

.bs-item p {
  font-size: 14px;
  color: #666;
}

/* Interactive */
.interactive-box {
  background: var(--neon);
  color: #000;
  padding: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 0;
}

.ib-txt {
  max-width: 600px;
}

.ib-txt h2 {
  color: #000;
  margin-bottom: 15px;
}

.ib-txt p {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.ib-txt .small {
  font-size: 12px;
  font-weight: 400;
}

.ib-act .btn-neon {
  background: #000;
  color: var(--neon);
  border-color: #000;
}

.ib-act .btn-neon:hover {
  background: #fff;
  color: #000;
}

/* FAQ */
.narrow {
  max-width: 800px;
  margin: 0 auto;
}
.mb-60 {
  margin-bottom: 60px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.faq-item {
  border: 1px solid var(--border);
  background: var(--surface);
}

.faq-head {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px;
  color: #fff;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  cursor: pointer;
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: 0.3s ease;
}

.faq-body p {
  padding: 0 20px 20px;
  color: #999;
}

/* Contact */
.contact-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.cs-info h2 {
  font-size: 40px;
  margin-bottom: 20px;
}

.cs-info p {
  color: #888;
  margin-bottom: 40px;
}

.contact-details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-details li {
  display: flex;
  align-items: center;
  gap: 15px;
  font-family: monospace;
  color: #fff;
  font-size: 16px;
}

.contact-details i {
  color: var(--neon);
}

.cs-form {
  background: var(--surface);
  padding: 40px;
  border: 1px solid var(--border);
}

.inp-row {
  margin-bottom: 20px;
  position: relative;
}

.inp-row label {
  display: block;
  font-size: 12px;
  font-family: monospace;
  color: #666;
  margin-bottom: 5px;
}

.inp-row input {
  width: 100%;
  background: #000;
  border: 1px solid #333;
  padding: 12px;
  color: #fff;
  font-family: var(--font-body);
  font-size: 16px;
}

.inp-row input:focus {
  outline: none;
  border-color: var(--neon);
}

.err {
  position: absolute;
  bottom: -18px;
  left: 0;
  font-size: 10px;
  color: #ff4444;
  display: none;
}

.inp-row.error input {
  border-color: #ff4444;
}
.inp-row.error .err {
  display: block;
}

.check-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 30px;
}

.check-row input {
  margin-top: 5px;
  accent-color: var(--neon);
}
.check-row label {
  font-size: 12px;
  color: #888;
}
.check-row a {
  color: #fff;
  text-decoration: underline;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 80px 0 20px;
  background: #050505;
}

.f-layout {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.f-logo {
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 15px;
  color: #fff;
}

.f-brand p {
  color: #666;
  max-width: 300px;
}
.f-brand p {
  color: #666;
  max-width: 300px;
  margin: 12px 0;
}

.f-links h5 {
  font-size: 12px;
  color: var(--neon);
  margin-bottom: 20px;
}

.f-links a {
  display: block;
  margin-bottom: 10px;
  color: #aaa;
  font-size: 14px;
}

.f-links a:hover {
  color: #fff;
}

.f-btm {
  text-align: center;
  font-size: 12px;
  color: #444;
  padding-top: 20px;
  border-top: 1px solid #111;
}

/* Cookie */
.cookie-popup {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--surface);
  border: 1px solid var(--neon);
  padding: 20px;
  z-index: 5000;
  display: none;
}

.cb-inner p {
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 600;
}

/* Media */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-acts {
    justify-content: center;
    flex-direction: column;
  }
  .desk-nav,
  .h-right {
    display: none;
  }
  .burger {
    display: flex;
    margin-left: auto;
  }
  .grid-3,
  .courses-grid,
  .blog-layout,
  .contact-split,
  .f-layout {
    grid-template-columns: 1fr;
  }
  .interactive-box {
    flex-direction: column;
    text-align: center;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.8rem;
  }
}

.pages {
  padding: 120px 0;
}

.pages-wrap {
  max-width: 1000px;
  padding: 0 10px;
  margin: 0 auto 20px;
}

.pages h1 {
  font-size: 40px;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 40px;
  text-align: center;
}

.text-wrapper {
  background: #f8fafc;
  padding: 50px 40px;
  border-radius: 20px;
  line-height: 1.8;
}

.text-wrapper h2 {
  font-size: 28px;
  font-weight: 700;
  color: #1e293b;
  margin-top: 40px;
  margin-bottom: 15px;
  border-bottom: 2px solid rgba(99, 102, 241, 0.2);
  padding-bottom: 5px;
}

.text-wrapper h3 {
  color: #000000;
  margin-bottom: 20px;
}

.text-wrapper p {
  color: #64748b;
  margin-bottom: 20px;
}

.text-wrapper ul {
  list-style-type: none;
  padding-left: 0;
  margin-bottom: 20px;
}

.text-wrapper ul li {
  position: relative;
  padding-left: 25px;
  margin-bottom: 15px;
  color: #1e293b;
}

.text-wrapper ul li::before {
  content: "•";
  position: absolute;
  left: 0;
  font-size: 20px;
  line-height: 1;
  color: var(--primary);
  top: 0;
}

.text-wrapper strong {
  color: var(--color-error);
}

.text-wrapper a {
  color: #001eff;
  text-decoration: underline;
  font-weight: 600;
}

.text-wrapper ol {
  display: flex;
  flex-direction: column;
  padding: 20px;
  color: #000000;
}

.margin {
  margin: 120px 0 50px;
  font-size: 40px;
  color: var(--accent);
}

@media (max-width: 768px) {
  .pages {
    padding: 100px 0 60px;
  }
  .pages h1 {
    font-size: 28px;
    margin-bottom: 30px;
  }
  .text-wrapper {
    padding: 30px 20px;
  }
  .text-wrapper h2 {
    font-size: 22px;
    margin-top: 25px;
  }
  .margin {
    font-size: 32px;
  }
}

@media (max-width: 600px) {
  .pages {
    padding: 90px 0 50px;
  }
  .pages h1 {
    font-size: 24px;
    margin-bottom: 25px;
  }
  .text-wrapper {
    padding: 20px 15px;
    border-radius: 10px;
  }
  .text-wrapper h2 {
    font-size: 18px;
    margin-top: 20px;
    margin-bottom: 10px;
  }
  .text-wrapper h3 {
    font-size: 16px;
  }
  .text-wrapper p {
    font-size: 13px;
    line-height: 1.6;
  }
  .margin {
    font-size: 24px;
    margin: 80px 0 30px;
  }
  .split-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
}

@media (max-width: 480px) {
  .pages {
    padding: 80px 0 40px;
  }
  .pages h1 {
    font-size: 20px;
    margin-bottom: 20px;
  }
  .text-wrapper {
    padding: 15px 10px;
  }
  .text-wrapper h2 {
    font-size: 16px;
    margin-top: 15px;
  }
  .text-wrapper h3 {
    font-size: 14px;
  }
  .text-wrapper p {
    font-size: 12px;
  }
  .margin {
    font-size: 20px;
    margin: 60px 0 20px;
  }
}

/* --- CONTACT PAGE SPECIFIC STYLES --- */
.contact-page-main {
  padding-top: 180px;
  padding-bottom: 120px;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.cp-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 400;
  letter-spacing: -2px;
  color: var(--accent);
  margin-bottom: 30px;
  line-height: 1;
}

.cp-divider {
  width: 60px;
  height: 1px;
  background-color: var(--accent);
  margin: 0 auto 40px auto;
}

.cp-status {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--text-muted);
  border: 1px solid var(--line);
  display: inline-block;
  padding: 10px 20px;
  margin-bottom: 60px;
  background: #fcfcfc;
}

.cp-details {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.cp-label {
  font-family: var(--font-sans);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 2px;
  color: var(--text-muted);
}

.cp-phone-link {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: var(--accent);
  line-height: 1.2;
  border-bottom: 2px solid transparent;
  transition: 0.3s;
  margin-bottom: 40px;
}

.cp-phone-link:hover {
  border-bottom-color: var(--accent);
  opacity: 0.8;
}

.cp-address-box {
  border-top: 1px solid var(--line);
  padding-top: 40px;
  width: 100%;
  max-width: 400px;
}

.cp-addr {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 10px;
}

.cp-email {
  font-family: var(--font-sans);
  color: var(--text-muted);
  font-size: 1rem;
}

.cp-email a {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.cp-email a:hover {
  color: var(--accent);
}

@media (max-width: 768px) {
  .contact-page-main {
    padding-top: 140px;
    padding-bottom: 80px;
  }

  .cp-title {
    font-size: clamp(2rem, 6vw, 4rem);
  }

  .cp-phone-link {
    font-size: clamp(1.8rem, 5vw, 3rem);
  }
}

@media (max-width: 600px) {
  .contact-page-main {
    padding-top: 120px;
    text-align: center;
  }

  .cp-title {
    font-size: 28px;
    margin-bottom: 20px;
  }

  .cp-divider {
    margin: 0 auto 30px auto;
  }

  .cp-status {
    font-size: 14px;
    padding: 8px 16px;
    margin-bottom: 40px;
  }

  .cp-phone-link {
    font-size: 24px;
    margin-bottom: 30px;
  }

  .cp-details {
    gap: 8px;
  }

  .cp-label {
    font-size: 12px;
  }

  .cp-address-box {
    padding-top: 20px;
    max-width: 100%;
  }

  .cp-addr {
    font-size: 16px;
  }

  .cp-email {
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .contact-page-main {
    padding-top: 100px;
    min-height: 70vh;
  }

  .cp-title {
    font-size: 22px;
  }

  .cp-divider {
    width: 50px;
  }

  .cp-status {
    font-size: 12px;
  }

  .cp-phone-link {
    font-size: 20px;
  }

  .cp-addr {
    font-size: 14px;
  }

  .cp-email {
    font-size: 12px;
  }
}