/* ELECTRONICS COMPONENTS GUIDE — MAIN STYLES
   ============================================ */

@import url("https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Share+Tech+Mono&family=DM+Sans:wght@300;400;500;600&display=swap");

/* ── CSS Variables ── */
:root {
  --bg-dark: #0a0c0f;
  --bg-card: #111418;
  --bg-surface: #181c22;
  --border: #232830;
  --border-glow: #1e4a6e;
  --cyan: #00c8ff;
  --cyan-dim: #0099cc;
  --cyan-glow: rgba(0, 200, 255, 0.15);
  --white: #f0f4f8;
  --muted: #8899aa;
  --text: #ccd6e0;
  --danger: #ff4d6d;
  --success: #00e676;
  --font-display: "Rajdhani", sans-serif;
  --font-mono: "Share Tech Mono", monospace;
  --font-body: "DM Sans", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 4px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: var(--border-glow);
  border-radius: 2px;
}

/* ── NAVIGATION ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  height: 60px;
  background: transparent;
}

.nav-logo {
  font-style: inter, sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: white;
  text-decoration: none;
  letter-spacing: 1px;
}

.nav-logo span {
  color: cyan;
}

.nav-links {
  font-style: inter, sans-serif;
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.78rem;
  font-style: Poppins;
  font-weight: semi-bold;
  color: white;
  text-decoration: none;
  letter-spacing: 1.5px;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--cyan);
}

.nav-cart-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid black;
  color: black;
  font-size: 0.75rem;
  padding: 0.4rem 1rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  letter-spacing: 1px;
}

.nav-cart-btn:hover {
  background: var(--cyan-glow);
  border-color: var(--cyan);
}

.cart-count {
  background: white;
  color: black;
  font-size: 0.65rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url("./imgs/bg.jpg") center/cover no-repeat;
  filter: brightness(0.7) saturate(0.8);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
}

/* Scanline overlay */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding: 8rem 2.5rem 4rem;
}

.hero-tag {
  font-size: 0.9rem;
  font-style: Poppins, sans-serif;
  color: white;
  letter-spacing: 3px;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-tag::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--cyan);
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  color: rgba(80, 106, 226, 0.719);
  margin-bottom: 0.2rem;
}

.hero h1 span {
  color: white;
}

.hero p {
  font-size: 1rem;
  color: white;
  max-width: 480px;
  margin: 1.2rem 0 2.2rem;
  line-height: 1.7;
}

.btn-primary {
  font-style:
    Roboto Mono,
    monospace;
  font-size: 0.8rem;
  letter-spacing: 2px;
  background: white;
  color: black;
  border: none;
  padding: 0.9rem 2.2rem;
  border-radius: 20px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  font-weight: 700;
  transition: all 0.2s;
}

.btn-primary:hover {
  background: #0c1314;
  color: white;
  box-shadow: 0 0 30px rgba(0, 200, 255, 0.4);
  transform: translateY(-1px);
}

.btn-outline {
  font-size: 0.8rem;
  letter-spacing: 2px;
  background: transparent;
  border-radius: 20px;
  color: white;
  border: 1px solid white;
  padding: 0.85rem 2.2rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s;
}

.btn-outline:hover {
  background: black;
  border: #0a0c0f;
}

.btn-outline-cta {
  margin-top: 1.5rem;
  display: inline-block;
}

.button-group {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.section-cta {
  text-align: center;
  margin-top: 3rem;
}

/* ── SECTION BASICS ── */
section {
  padding: 5rem 2.5rem;
}

.section-header {
  margin-bottom: 3rem;
  text-align: center;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
  display: flex;
  justify-content: center;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  color: var(--white);
}

/* ── WHAT ARE ELECTRONICS SECTION ── */
.what-section {
  display: grid;
  color: white;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.what-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("./imgs/bg.jpg") center/cover no-repeat;
  background-size: cover;
  filter: blur(25px);
  transform: scale(1.25);
  z-index: -2;
}

.what-section::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
}

.what-video {
  position: relative;
  width: 100%;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: black;
}

.what-video video {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  object-fit: contain;
  max-height: 100%;
  display: block;
  margin: 0 auto;
  filter: brightness(0.75) saturate(0.7);
}

.what-video::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--border-glow);
  z-index: 0;
}

.what-text h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--white);
  margin-bottom: 1rem;
}

.what-text p {
  color: white;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.carousel-controls {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.carousel-btn {
  width: 36px;
  height: 36px;
  background: transparent;
  border: 2px solid white;
  border-radius: 20px;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  font-size: 0.9rem;
}

.carousel-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.explorebtn {
  margin-top: 2rem;
  display: inline-block;
  background: white;
  border: 1px solid;
  color: black;
  padding: 0.75rem 2rem;
  border-radius: 20px;
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-decoration: none;
  transition: all 0.2s;
}

/* ── WHY STUDY SECTION ── */
.why-section {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.why-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("file:///C:/Users/HP%20ELITEBOOK/Downloads/harrison-broadbent-afZVP8xbbw0-unsplash.jpg")
    center/cover no-repeat;
  background-size: cover;
  filter: blur(25px);
  transform: scale(1.25);
  z-index: -2;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.why-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 20px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
  padding: 2rem 1.5rem;
  text-align: left;
  position: relative;
  overflow: hidden;
  transition:
    transform 0.2s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.why-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--cyan);
  transition: height 0.3s;
}

.why-card:hover {
  color: black;
}
.why-card:hover::before {
  height: 100%;
}

.why-num {
  font-size: 3rem;
  font-weight: 900;
  font-style:
    oblique 15deg Poppins,
    sans-serif;
  color: white;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.why-card h4 {
  font-size: 1rem;
  color: white;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.why-card p {
  font-size: 0.85rem;
  color: white;
  align-items: center;
  font-style: Poppins, sans-serif;
}

/* ── COMPONENT THUMBNAIL STRIP ── */
.component-strip {
  display: flex;
  gap: 0.8rem;
  padding: 1.5rem 2.5rem;
  background: transparent;
  overflow-x: auto;
  align-self: center;
  margin: 0 auto;
  max-width: 500px;
}

.component-thumb {
  flex: 0 0 64px;
  height: 64px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.component-thumb:hover {
  border-color: var(--cyan);
  box-shadow: inset 0 0 12px var(--cyan-glow);
}

.component-thumb img {
  width: 60px;
  height: 60px;
  object-fit: contain;
  filter: brightness(1) saturate(0.5);
}

/* ── BOTTOM NAV ── */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(10, 12, 15, 0.97);
  border-top: 1px solid var(--border);
  padding: 0.75rem 2rem;
  z-index: 100;
}

.bottom-nav-inner {
  display: flex;
  justify-content: space-around;
}

.bottom-nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  text-decoration: none;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color 0.2s;
}

.bottom-nav-link.active,
.bottom-nav-link:hover {
  color: var(--cyan);
}

/* ── FOOTER ── */
footer {
  background: white;
  padding: 2rem 2.5rem;
  display:absoulte;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--muted);
}

.footer-logo span {
  color: var(--cyan);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.8rem;
  transition: all 0.2s;
}

.social-links a:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ── UTILITY ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
}
.text-cyan {
  color: var(--cyan);
}
.text-muted {
  color: var(--muted);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .what-section {
    grid-template-columns: 1fr;
  }
  .why-grid {
    grid-template-columns: 1fr 1fr;
  }
  .component-card {
    grid-template-columns: 120px 1fr;
  }
  .component-card > .learn-more-btn {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  nav {
    padding: 0 1.2rem;
  }
  section {
    padding: 3.5rem 1.2rem;
  }
  .why-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
  .bottom-nav {
    display: block;
  }
  body {
    padding-bottom: 60px;
  }
  .component-card {
    grid-template-columns: 1fr;
  }
}