/* 
 * GHAZAL ALREEM ELECTRONICS TRADING L.L.C.
 * PREMIUM MONOCHROME THEME (Charcoal & Silver)
 * Palette derived from official Logo.
*/

:root {
    --charcoal:     #2D3436;  /* Primary branding */
    --slate:        #636E72;
    --silver:       #B2BEC3;
    --white:        #FFFFFF;
    --bg-light:     #F4F7F6;  /* Soft cool grey background */
    --bg-grey:      #E9EEF0;
    --text-dark:    #1E272E;
    --text-slate:   #485460;
    --text-muted:   #808E9B;
    --border:       rgba(45, 52, 54, 0.12);
    --card-shadow:  0 12px 40px rgba(45, 52, 54, 0.08);
    --transition:   0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

/* ===== BASE & RESET ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    background-color: var(--bg-light);
    color: var(--text-dark);
    font-family: 'Montserrat', sans-serif;
    line-height: 1.65;
    overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

.container { max-width: 1400px; margin: 0 auto; padding: 0 50px; }
.accent { color: var(--slate); }

.section-tag {
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--slate);
    margin-bottom: 24px;
    display: inline-block;
}

.section-header { text-align: center; margin-bottom: 90px; }
.section-header h2 { font-family: 'Playfair Display', serif; font-size: 3.5rem; color: var(--charcoal); letter-spacing: -1px; }

/* ===== NAVBAR ===== */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    padding: 30px 0; transition: var(--transition);
}
.navbar.scrolled {
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    padding: 15px 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.06);
    border-bottom: 1px solid var(--border);
}
.nav-container { display: flex; align-items: center; justify-content: space-between; }
.logo img { height: 90px; width: auto; object-fit: contain; transition: height var(--transition); filter: brightness(0) invert(1); }
.navbar.scrolled .logo img { height: 75px; filter: none; }

.nav-links { display: flex; gap: 45px; }
.nav-links a { 
    font-size: 0.75rem; font-weight: 800; letter-spacing: 2.5px; 
    color: var(--white); text-shadow: 0 2px 15px rgba(0,0,0,0.4); 
}
.navbar.scrolled .nav-links a { color: var(--charcoal); text-shadow: none; }
.nav-links a:hover { color: var(--slate); }

.menu-btn { display: none; background: none; border: none; font-size: 1.5rem; color: var(--slate); cursor: pointer; }

/* ===== HERO SECTION ===== */
.hero {
    position: relative; height: 100vh;
    display: flex; align-items: center; justify-content: flex-start;
    overflow: hidden;
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(85deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.3) 100%), url('im/hero.png') center/cover no-repeat;
    z-index: 1;
}
.hero-content { position: relative; z-index: 2; max-width: 900px; padding-top: 80px; }
.hero-badge {
    background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.3);
    color: var(--white); padding: 12px 28px;
    font-size: 0.65rem; font-weight: 800; letter-spacing: 5px;
    border-radius: 2px; margin-bottom: 35px; display: inline-block;
    backdrop-filter: blur(4px);
}
.hero-content h1 {
    font-family: 'Playfair Display', serif;
    font-size: 6rem; color: var(--white);
    line-height: 1.05; margin-bottom: 30px;
}
.hero-sub { font-size: 1.4rem; color: rgba(255,255,255,0.9); margin-bottom: 55px; max-width: 700px; line-height: 1.8; }
.hero-btns { display: flex; gap: 20px; }

/* BUTTONS */
.btn {
    padding: 20px 50px; font-size: 0.72rem; font-weight: 800; 
    letter-spacing: 3px; text-transform: uppercase;
    border-radius: 2px; border: 2px solid transparent; 
    cursor: pointer; transition: var(--transition);
    display: inline-flex; align-items: center; justify-content: center;
}
.btn-charcoal { background: var(--charcoal); color: var(--white); border-color: var(--charcoal); }
.btn-charcoal:hover { background: #000; border-color: #000; transform: translateY(-6px); box-shadow: 0 15px 35px rgba(0,0,0,0.25); }
.btn-outline-white { border-color: rgba(255,255,255,0.5); color: var(--white); }
.btn-outline-white:hover { background: var(--white); color: var(--charcoal); border-color: var(--white); }
.btn-full { width: 100%; }

/* Scroll Hint */
.scroll-hint { position: absolute; bottom: 45px; left: 50%; transform: translateX(-50%); z-index: 2; }
.scroll-line { width: 1px; height: 65px; background: linear-gradient(to bottom, var(--white), transparent); animation: scrollDown 2s infinite; }
@keyframes scrollDown { 0%, 100% { opacity: 0.2; transform: scaleY(0.7); } 50% { opacity: 1; transform: scaleY(1); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* ===== ABOUT SECTION ===== */
.about { padding: 180px 0; background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 110px; align-items: center; }
.about-image { position: relative; }
.about-image img { width: 100%; border-radius: 4px; box-shadow: 0 40px 80px rgba(0,0,0,0.08); border: 1px solid var(--border); }
.about-card {
    position: absolute; bottom: -40px; right: -40px;
    background: var(--charcoal); color: var(--white); padding: 40px 50px;
    border-radius: 4px; box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}
.card-title { display: block; font-size: 1.8rem; font-weight: 800; margin-bottom: 8px; font-family: 'Playfair Display', serif; }
.card-desc { font-size: 0.75rem; font-weight: 700; opacity: 0.7; letter-spacing: 2px; text-transform: uppercase; }

.about-text h2 { font-size: 3rem; margin-bottom: 40px; line-height: 1.15; }
.about-lead { font-size: 1.25rem; font-weight: 700; color: var(--charcoal); margin-bottom: 28px; line-height: 1.8; border-left: 3px solid var(--slate); padding-left: 28px; }
.about-body { color: var(--text-slate); margin-bottom: 24px; font-size: 1.05rem; line-height: 1.9; }

.about-stats { display: flex; gap: 60px; margin-top: 60px; padding-top: 50px; border-top: 1px solid var(--border); }
.stat-num { display: block; font-size: 2.6rem; font-weight: 800; color: var(--charcoal); font-family: 'Playfair Display', serif; margin-bottom: 5px; }
.stat-label { font-size: 0.7rem; font-weight: 800; text-transform: uppercase; color: var(--text-muted); letter-spacing: 3px; }

/* ===== PRODUCT GALLERY ===== */
.products { background: var(--bg-grey); padding: 180px 0; }

.cat-tabs { display: flex; justify-content: center; gap: 15px; margin-bottom: 70px; flex-wrap: wrap; }
.cat-tab {
    background: var(--white); border: 1px solid var(--border);
    padding: 14px 35px; border-radius: 2px;
    font-size: 0.7rem; font-weight: 800; letter-spacing: 3px; text-transform: uppercase;
    cursor: pointer; transition: var(--transition); color: var(--text-slate);
}
.cat-tab:hover { border-color: var(--charcoal); color: var(--charcoal); }
.cat-tab.active { background: var(--charcoal); border-color: var(--charcoal); color: var(--white); box-shadow: 0 10px 25px rgba(0,0,0,0.1); }

.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.gal-card {
    background: var(--white); border: 1px solid var(--border);
    padding: 24px; border-radius: 4px; overflow: hidden;
    transition: var(--transition); cursor: pointer;
    display: flex; flex-direction: column;
}
.gal-card:hover { transform: translateY(-10px); border-color: var(--slate); box-shadow: var(--card-shadow); }
.gal-card.hidden { display: none; }

.gal-img { width: 100%; height: 230px; margin-bottom: 24px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.gal-img img { height: 100%; width: 100%; object-fit: contain; transition: transform 0.6s ease; }
.gal-card:hover .gal-img img { transform: scale(1.1); }

.gal-info h4 { font-size: 0.85rem; font-weight: 800; color: var(--charcoal); margin-bottom: 8px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.gal-info p { font-size: 0.7rem; font-weight: 700; color: var(--text-muted); letter-spacing: 1px; text-transform: uppercase; }

/* ===== SERVICES SECTION ===== */
.services { padding: 180px 0; background: var(--white); border-top: 1px solid var(--border); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.service-card {
    background: var(--bg-light); padding: 75px 45px; border-radius: 4px; border: 1px solid var(--border); text-align: center; transition: var(--transition);
}
.service-card:hover { border-color: var(--charcoal); transform: translateY(-12px); box-shadow: var(--card-shadow); }
.service-icon { font-size: 2.2rem; color: var(--slate); margin-bottom: 35px; transition: transform 0.4s; }
.service-card:hover .service-icon { transform: scale(1.2); color: var(--charcoal); }
.service-card h3 { font-size: 1.4rem; font-weight: 800; margin-bottom: 20px; color: var(--charcoal); }
.service-card p { color: var(--text-slate); font-size: 0.98rem; }

/* ===== CONTACT SECTION ===== */
.contact { padding: 180px 0; background: var(--bg-grey); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 110px; }
.contact-info h2 { font-size: 3.5rem; margin-bottom: 40px; }
.contact-desc { font-size: 1.15rem; color: var(--text-slate); margin-bottom: 60px; line-height: 1.8; }
.contact-list { display: flex; flex-direction: column; gap: 45px; }
.contact-list li { display: flex; gap: 25px; align-items: flex-start; }
.li-icon { width: 55px; height: 55px; background: var(--white); border: 1px solid var(--border); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--slate); font-size: 1.1rem; flex-shrink: 0; box-shadow: 0 8px 20px rgba(0,0,0,0.04); }
.li-text strong { font-size: 0.7rem; font-weight: 800; letter-spacing: 3px; text-transform: uppercase; color: var(--slate); display: block; margin-bottom: 6px; }
.li-text span { font-size: 1.05rem; color: var(--charcoal); font-weight: 600; }

.contact-form-wrap { background: var(--white); padding: 60px; border-radius: 4px; box-shadow: var(--card-shadow); border: 1px solid var(--border); }
.contact-form input, .contact-form textarea {
    background: var(--bg-light); border: 1px solid var(--border);
    padding: 20px 25px; border-radius: 2px; font-family: inherit; font-size: 0.95rem;
    transition: var(--transition); margin-bottom: 25px; width: 100%;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--charcoal); background: var(--white); }
.form-msg { font-size: 0.85rem; font-weight: 700; margin-top: 15px; }

/* ===== FOOTER ===== */
.footer { background: var(--charcoal); color: var(--white); padding: 120px 0 0; }
.footer-content { display: grid; grid-template-columns: 1.8fr 1fr 1.4fr; gap: 100px; padding-bottom: 100px; }
.footer-brand img { height: 95px; margin-bottom: 30px; filter: brightness(0) invert(1); }
.footer-brand p { color: rgba(255,255,255,0.4); font-size: 0.95rem; line-height: 1.9; max-width: 380px; }

.footer h4 { font-size: 0.75rem; letter-spacing: 4px; font-weight: 800; margin-bottom: 35px; color: var(--silver); text-transform: uppercase; }
.footer ul a { color: rgba(255,255,255,0.45); font-size: 0.95rem; display: block; margin-bottom: 18px; }
.footer ul a:hover { color: var(--white); padding-left: 10px; }
.footer-contact p { color: rgba(255,255,255,0.45); font-size: 0.95rem; margin-bottom: 20px; display: flex; gap: 18px; line-height: 1.7; }
.footer-contact i { color: var(--silver); margin-top: 4px; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 35px 0; text-align: center; }
.footer-bottom p { font-size: 0.75rem; color: rgba(255,255,255,0.2); letter-spacing: 2px; text-transform: uppercase; }

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed; bottom: 45px; right: 45px; width: 55px; height: 55px;
    background: var(--white); color: var(--charcoal); border: 1px solid var(--border); border-radius: 50%;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; opacity: 0; pointer-events: none; transition: var(--transition);
    box-shadow: 0 12px 30px rgba(0,0,0,0.1); z-index: 1000;
}
.back-to-top.visible { opacity: 1; pointer-events: all; }
.back-to-top:hover { transform: translateY(-7px); background: var(--charcoal); color: var(--white); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1300px) {
    .container { padding: 0 35px; }
    .hero-content h1 { font-size: 4.8rem; }
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
    .about-grid, .contact-grid, .footer-content { grid-template-columns: 1fr; gap: 70px; }
    .nav-links { display: none; }
    .menu-btn { display: block; }
}
@media (max-width: 768px) {
    .hero-content h1 { font-size: 3.5rem; }
    .section-header h2 { font-size: 2.8rem; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: 1fr; }
    .nav-links.open {
        display: flex; position: fixed; inset: 0; background: var(--white);
        flex-direction: column; align-items: center; justify-content: center;
        opacity: 1; pointer-events: all; z-index: 1001;
    }
    .nav-links a { color: var(--charcoal); text-shadow: none; font-size: 1.2rem; }
}
@media (max-width: 480px) {
    .gallery-grid { grid-template-columns: 1fr; }
}