/* COMPONENT STYLES FOR HELBRAINS */

/* NAVBAR */
.navbar {
  width:100%;
  background:#ffffff;
  padding:18px 0;
  box-shadow: var(--shadow-sm);
  position:sticky;
  top:0;
  z-index:50;
}
.navbar .nav-container {
  width:90%;
  max-width:1200px;
  margin:auto;
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.navbar a {
  text-decoration:none;
  color:var(--dark);
  font-weight:500;
  margin-left:24px;
  position:relative;
}
.navbar a:hover::after {
  content:'';
  position:absolute;
  left:0;
  bottom:-3px;
  width:100%;
  height:2px;
  background:var(--blue);
  border-radius:var(--radius-sm);
}

.tblue a {
    color: var(--blue);
    font-weight: 600;
}

.tgold a {
    color: var(--gold);
    font-weight: 600;
}

/* HAMBURGER ICON */
.nav-toggle {
    display: none;
    font-size: 32px;
    cursor: pointer;
    user-select: none;
}

/* MOBILE OVERLAY */
#nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    display: none;
    z-index: 998;
}

/* MOBILE MENU */
@media (max-width: 850px) {

    .nav-toggle {
        display: block;
    }

    nav {
        position: fixed;
        top: 0;
        right: -260px;
        height: 100vh;
        width: 240px;
        background: #ffffff;
        padding: 0px 5px;
        box-shadow: -3px 0 12px rgba(0,0,0,0.2);
        transition: right .3s ease;
        z-index: 999;
    }

    nav ul {
        flex-direction: column;
        gap: 25px;
    }

    nav.show {
        right: 0;
    }

    #nav-overlay.show {
        display: block;
    }
}

/* HERO SECTION */
.hero {
  width:100%;
  height:70vh;
  background:url('../images/hero-banner.jpg') center/cover no-repeat;
  position:relative;
  display:flex;
  align-items:flex-end;
  padding:60px 0;
}
.hero::after {
  content:'';
  position:absolute;
  bottom:0;
  left:0;
  width:100%;
  height:100%;
  background:linear-gradient(to top, rgba(0,0,0,0.7), rgba(0,0,0,0.1));
}
.hero-content {
  position:relative;
  z-index:5;
  width:90%;
  max-width:1200px;
  margin:auto;
  color:white;
  text-align:left;
  padding-bottom:40px;
}
.hero h1 {
  font-family:'Poppins', sans-serif;
  font-size:42px;
  font-weight:700;
  max-width:600px;
}
.hero p {
  max-width:520px;
  font-size:18px;
  margin-top:10px;
  opacity:0.9;
}
.hero-buttons {
  margin-top:25px;
  display:flex;
  gap:16px;
}

/* ABOUT SECTION */
.about-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 40px 0;
}

.about-text {
    flex: 1;
}

.about-text h2, .bold, .contact-left .bold {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--blue);
}

.about-text p {
    font-size: 17px;
    line-height: 1.7;
    color: var(--text);
    max-width: 600px;
}

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

.about-image img {
    width: 100%;
    max-width: 500px;
    border-radius: 12px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.15);
    object-fit: cover;
}

/* MOBILE RESPONSIVE */
@media (max-width: 900px) {
    .about-wrapper {
        flex-direction: column;
        text-align: center;
    }

    .about-text h2 {
        font-size: 28px;
    }

    .about-image img {
        max-width: 300px;
    }
}


/* FEATURED BOOKS */
.featured-section {
  width:90%;
  max-width:1200px;
  margin:60px auto;
}
.featured-section h2 {
  margin-bottom:20px;
}
.book-grid {
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:22px;
}
.book-card {
  background:white;
  padding:16px;
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);
  transition:0.2s;
}
.book-card:hover {
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
}
.book-card img {
  width:40%;
  height:230px;
  object-fit:cover;
  border-radius:var(--radius-sm);
}
.book-title {
  font-family:'Poppins';
  font-size:18px;
  margin-top:10px;
}
.book-author {
  color:var(--text);
  font-size:14px;
  margin-top:4px;
}
.book-price {
  font-weight:700;
  color:var(--gold);
  margin-top:6px;
}
.book-card .btn-primary {
  margin-top:12px;
  width:100%;
}

/* CONTACT SECTION */
.contact-section {
    padding: 80px 0;
    background: #f9fafc;
}

.contact-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    flex-wrap: wrap;
}

.contact-left {
    flex: 1;
    min-width: 300px;
}

.contact-left h2 {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 15px;
}

.contact-desc {
    color: var(--text);
    line-height: 1.7;
    max-width: 480px;
    margin-bottom: 35px;
}

/* Contact Info Items */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    background: #fff;
    padding: 15px 20px;
    border-radius: 10px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.06);
    transition: 0.25s;
}

.contact-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 16px rgba(0,0,0,0.12);
}

.label {
    font-size: 13px;
    color: var(--gold);
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 3px;
}

.value {
    color: var(--text);
    font-size: 16px;
}

/* Contact Icons */
.icon-mail,
.icon-phone,
.icon-map {
    width: 22px;
    height: 22px;
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.8;
}

/* Replace with real icons */
.icon-mail {
    background-image: url("../images/mail.png");
}

.icon-phone {
    background-image: url("../images/phone.png");
}

.icon-map {
    background-image: url("../images/map.png");
}

/* Right Section Image */
.contact-right {
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: 300px;
}

.contact-right img {
    width: 100%;
    max-width: 500px;
    border-radius: 12px;
    box-shadow: 0 5px 18px rgba(0,0,0,0.08);
}

/* Responsive */
@media (max-width: 900px) {
    .contact-wrapper {
        flex-direction: column;
        text-align: center;
    }

    .contact-left h2 {
        text-align: center;
    }

    .contact-item {
        justify-content: center;
    }
}



/* FOOTER */
.footer {
  width:100%;
  background:#ffffff;
  padding:30px 0;
  margin-top:60px;
  border-top:1px solid #e2e8f0;
}
.footer .footer-container {
  width:90%;
  max-width:1200px;
  margin:auto;
  text-align:center;
  color:var(--text);
  font-size:14px;
}

@media(max-width:900px){
  .book-grid{
    grid-template-columns:repeat(2,1fr);
  }
}
@media(max-width:600px){
  .book-grid{
    grid-template-columns:1fr;
  }
  .hero{
    height:60vh;
  }
  .hero h1{
    font-size:32px;
  }
  .book-card img{
    width: 60%;
  }
}