/* =========================
   GLOBAL STYLES
========================= */

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

:root{
  --bg-dark:#050816;
  --bg-card:rgba(255,255,255,0.06);
  --text:#ffffff;
  --text-light:#b9c5d6;
  --blue:#4da6ff;
  --blue-dark:#005bea;
  --blue-light:#00c6fb;
  --border:rgba(255,255,255,0.1);
  --shadow:0 10px 40px rgba(0,198,251,0.15);
}

body{
  font-family:'Poppins',sans-serif;
  background:var(--bg-dark);
  color:var(--text);
  overflow-x:hidden;
  transition:0.4s ease;
}

/* LIGHT MODE */

body.light-mode{
  background:#f4f7ff;
  color:#111;
}

/* =========================
   CUSTOM SCROLLBAR
========================= */

::-webkit-scrollbar{
  width:8px;
}

::-webkit-scrollbar-thumb{
  background:linear-gradient(
    180deg,
    var(--blue-dark),
    var(--blue-light)
  );
  border-radius:20px;
}

/* =========================
   NAVBAR
========================= */

/* =========================
   NAVBAR
========================= */

.navbar{
  width:100%;
  height:85px;

  display:flex;
  justify-content:space-between;
  align-items:center;

  padding:0 5%;

  position:fixed;
  top:0;
  left:0;
  z-index:1000;

  background:rgba(5,8,22,0.82);
  backdrop-filter:blur(14px);

  border-bottom:1px solid rgba(255,255,255,0.05);
}

/* =========================
   LOGO
========================= */

.logo{
  display:flex;
  align-items:center;
  justify-content:center;

  height:100%;
}

.logo img{

  width:140px;
  height:55px;

  object-fit:contain;

  border-radius:10px;

  transition:0.3s ease;

  filter:
  drop-shadow(0 0 10px rgba(0,198,251,0.25));
}

.logo img:hover{
  transform:scale(1.03);
}

/* =========================
   NAVIGATION
========================= */

nav ul{
  display:flex;
  align-items:center;
  gap:28px;
  list-style:none;
}

nav a{
  color:white;
  text-decoration:none;
  font-size:0.95rem;
  font-weight:500;
  transition:0.3s ease;
}

nav a:hover{
  color:#4da6ff;
}

/* =========================
   THEME BUTTON
========================= */

.theme-btn{
  width:42px;
  height:42px;

  border:none;
  border-radius:50%;

  cursor:pointer;

  background:linear-gradient(
    135deg,
    #005bea,
    #00c6fb
  );

  color:white;

  font-size:1rem;

  transition:0.3s ease;
}

.theme-btn:hover{
  transform:scale(1.08);
}

/* =========================
   MOBILE
========================= */

@media(max-width:900px){

  .navbar{
    height:75px;
    padding:0 6%;
  }

  .logo img{
    width:115px;
    height:45px;
  }

  nav{
    display:none;
  }
}
/* =========================
   THEME BUTTON
========================= */

.theme-btn{
  width:48px;
  height:48px;
  border:none;
  border-radius:50%;
  cursor:pointer;

  background:linear-gradient(
    135deg,
    var(--blue-dark),
    var(--blue-light)
  );

  color:white;
  font-size:1rem;

  box-shadow:0 10px 30px rgba(0,198,251,0.35);

  transition:0.4s ease;
}

.theme-btn:hover{
  transform:translateY(-4px) scale(1.05);
}

/* =========================
   HERO SECTION
========================= */

.hero{
  padding:100px 7% 60px;
}
/* HERO TEXT */

.hero-content{
  flex:1;
}

.tag{
  display:inline-block;
  padding:10px 18px;
  border-radius:50px;

  background:rgba(77,166,255,0.1);
  border:1px solid rgba(77,166,255,0.3);

  color:var(--blue);
  font-size:0.85rem;
  letter-spacing:2px;

  margin-bottom:25px;
}

.hero h1{
  font-size:4.5rem;
  line-height:1.05;
  margin-bottom:25px;

  font-family:'Orbitron',sans-serif;
}

.hero-text{
  color:var(--text-light);
  max-width:550px;
  line-height:1.8;
  margin-bottom:40px;
}

/* BUTTONS */

.hero-buttons{
  display:flex;
  gap:20px;
  flex-wrap:wrap;
}

.primary-btn,
.secondary-btn{
  padding:16px 34px;
  border-radius:60px;
  text-decoration:none;
  font-weight:600;
  transition:0.4s ease;
  position:relative;
  overflow:hidden;
}

/* PRIMARY */

.primary-btn{
  background:linear-gradient(
    135deg,
    var(--blue-dark),
    var(--blue-light)
  );

  color:white;

  box-shadow:
  0 10px 30px rgba(0,198,251,0.25);
}

.primary-btn:hover{
  transform:translateY(-6px);
  box-shadow:
  0 15px 40px rgba(0,198,251,0.45);
}

/* SECONDARY */

.secondary-btn{
  border:1px solid rgba(77,166,255,0.4);
  color:var(--blue);
}

.secondary-btn:hover{
  background:var(--blue);
  color:white;
  transform:translateY(-6px);
}

/* =========================
   HERO IMAGE
========================= */

.hero-image{
  flex:1;
  display:flex;
  justify-content:center;
}

.hero-image img{
  width:100%;
  max-width:520px;

  border-radius:35px;

  box-shadow:
  0 30px 80px rgba(0,0,0,0.55);

  transition:0.5s ease;
}

.hero-image img:hover{
  transform:scale(1.03) rotate(-1deg);
}

/* =========================
   SECTION
========================= */

.section{
  padding:120px 7%;
}

.section-title{
  text-align:center;
  margin-bottom:70px;
}

.section-title p{
  color:var(--blue);
  letter-spacing:2px;
  margin-bottom:12px;
}

.section-title h2{
  font-size:3rem;
  font-family:'Orbitron',sans-serif;
}

/* =========================
   GRID LAYOUTS
========================= */

.about-grid,
.products-grid,
.reviews-grid{
  display:grid;
  grid-template-columns:repeat(
    auto-fit,
    minmax(260px,1fr)
  );

  gap:30px;
}

/* =========================
   GLASS CARDS
========================= */

.about-card,
.product-card,
.review-card,
.faq-item,
.customize-box,
.contact-box{
  background:var(--bg-card);

  border:1px solid var(--border);

  border-radius:28px;

  padding:35px;

  backdrop-filter:blur(18px);

  transition:0.45s ease;

  box-shadow:var(--shadow);
}

/* CARD HOVER */

.about-card:hover,
.product-card:hover,
.review-card:hover,
.faq-item:hover{
  transform:translateY(-12px);
  border-color:rgba(77,166,255,0.3);
}

/* PRODUCT IMAGE */

.product-card img{
  width:100%;
  height:320px;
  object-fit:cover;

  border-radius:20px;
  margin-bottom:20px;
}

/* PRODUCT TEXT */

.product-card h3{
  margin-bottom:10px;
  font-size:1.3rem;
}

.product-card p{
  color:var(--text-light);
  line-height:1.7;
}

/* =========================
   CUSTOMIZE BOX
========================= */

.customize-box{
  max-width:650px;
  margin:auto;

  display:flex;
  flex-direction:column;
  gap:20px;
}

.customize-box input,
.customize-box select{
  padding:18px;
  border:none;
  outline:none;

  border-radius:15px;

  background:rgba(255,255,255,0.08);
  color:white;

  font-size:1rem;
}

body.light-mode
.customize-box input,
body.light-mode
.customize-box select{
  color:black;
}

/* =========================
   FAQ
========================= */

.faq-container{
  display:flex;
  flex-direction:column;
  gap:20px;
}

.faq-item h3{
  margin-bottom:10px;
}

.faq-item p{
  color:var(--text-light);
  line-height:1.7;
}

/* =========================
   CONTACT
========================= */

.contact-box{
  text-align:center;
}

.contact-box p{
  margin-bottom:15px;
  font-size:1.1rem;
}

/* =========================
   FOOTER
========================= */

footer{
  text-align:center;
  padding:40px;

  border-top:1px solid rgba(255,255,255,0.08);

  color:var(--text-light);
}

/* =========================
   RESPONSIVE
========================= */

@media(max-width:950px){

  .hero{
    flex-direction:column;
    text-align:center;
    padding-top:150px;
  }

  .hero-buttons{
    justify-content:center;
  }

  .hero h1{
    font-size:3rem;
  }

  .hero-text{
    margin:auto auto 35px;
  }

  .hero-image img{
    max-width:100%;
  }

  nav{
    display:none;
  }

  .section-title h2{
    font-size:2.2rem;
  }
}

@media(max-width:600px){

  .hero h1{
    font-size:2.3rem;
  }

  .primary-btn,
  .secondary-btn{
    width:100%;
    text-align:center;
  }

  .section{
    padding:90px 6%;
  }

  .navbar{
    padding:20px 6%;
  }

  .logo img{
    width:140px;
  }
}