/* ISIRI ENTERPRISES - Premium Design System */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Poppins:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --primary-color: #1a1a1a; /* Dark Charcoal */
    --secondary-color: #f8f9fa; /* Off White */
    --accent-gold: #d4af37; /* Gold */
    --accent-orange: #ff8c00; /* Soft Orange */
    --concrete-gray: #7d7d7d;
    --warm-beige: #f5f5dc;
    --text-dark: #222222;
    --text-light: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--secondary-color);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--primary-color);
}

.brand-card img {
    max-width: 80%;
    max-height: 80px;
    object-fit: contain;
    transition: var(--transition);
}

.brand-card:hover img {
    transform: scale(1.1);
}

.brand-card h3 {
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--concrete-gray);
    text-transform: uppercase;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* --- Layout Utility --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 100px 0;
}

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

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 25px 0;
    transition: var(--transition);
    background: transparent !important;
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.2) !important;
    backdrop-filter: blur(15px);
    padding: 10px 0;
    box-shadow: 0 5px 30px rgba(0,0,0,0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    line-height: 0;
}

.logo img {
    height: 120px;
    width: auto;
    transition: var(--transition);
    border-radius: 4px;
    display: block;
    padding: 5px 0;
}

.navbar.scrolled .logo img {
    height: 80px;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: var(--text-light);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: 10px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a:hover {
    color: var(--accent-gold);
}

/* --- Hero Section --- */
.hero {
    min-height: 80vh;
    position: relative;
    display: flex;
    align-items: center;
    color: var(--text-light);
    text-align: center;
    padding-top: 150px;
    padding-bottom: 50px;
    overflow: hidden;
    background: #000; /* Dark fallback */
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.7));
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 4rem;
    color: var(--text-light);
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards 0.5s;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards 0.8s;
}

.hero .cta-btn {
    display: inline-block;
    padding: 15px 40px;
    background: var(--accent-gold);
    color: var(--primary-color);
    font-weight: 600;
    border-radius: 4px;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards 1.1s;
}

.hero .cta-btn:hover {
    background: var(--accent-orange);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* --- Highlight Cards --- */
.highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
    position: relative;
    z-index: 10;
}

.highlight-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 250px;
}

.highlight-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.highlight-card i {
    font-size: 40px;
    color: var(--accent-gold);
    margin-bottom: 20px;
}

.highlight-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

/* --- Sections --- */
.section-title {
    font-size: 2.5rem;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-gold);
}

/* --- Products Preview --- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.product-img {
    height: 350px;
    width: 100%;
    background-size: cover;
    background-position: center;
    transition: var(--transition);
}
    background-size: cover;
    background-position: center;
    object-fit: cover;
    transition: var(--transition);
}

.about-content img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: 12px;
}

.product-card:hover .product-img {
    transform: scale(1.1);
}

.product-info {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* --- Brands --- */
.brand-slider {
    overflow: hidden;
    white-space: nowrap;
    padding: 40px 0;
    background: #fff;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.brand-track {
    display: inline-block;
    animation: scroll 30s linear infinite;
}

.brand-item {
    display: inline-block;
    margin: 0 30px;
    vertical-align: middle;
}

.brand-item img {
    height: 100px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    transition: var(--transition);
}

.brand-item:hover img {
    transform: scale(1.1);
}

.brand-item:hover {
    color: var(--primary-color);
}

/* --- Footer --- */
footer {
    background: var(--primary-color);
    color: var(--text-light);
    padding: 40px 0 20px;
}

footer .logo img {
    height: 80px !important;
    width: auto !important;
    margin-bottom: 20px;
    filter: none !important;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-col h4 {
    color: var(--text-light);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.footer-col p {
    color: #bbb;
    margin-bottom: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    color: #888;
}

/* --- Animations --- */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* --- Mobile Menu --- */
.mobile-toggle {
    display: none;
    font-size: 24px;
    color: white;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--primary-color);
        padding: 20px;
        text-align: center;
        box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-toggle {
        display: block;
        margin-right: 20px;
    }
    
    .logo img {
        height: 60px !important;
    }
    
    .navbar.scrolled .logo img {
        height: 50px !important;
    }

    .hero {
        padding-top: 100px;
        padding-bottom: 30px;
        min-height: auto;
    }

    .hero h1 {
        font-size: 2rem;
        margin-bottom: 15px;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 25px;
    }
    
    .section-padding {
        padding: 40px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }

    .page-header {
        height: auto;
        padding: 120px 20px 50px;
    }

    .highlights {
        grid-template-columns: 1fr;
        margin-top: 20px;
    }

    .product-grid, .item-grid, .service-grid, .why-choose-glass {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .about-content img {
        height: auto;
        max-height: 300px;
        margin-bottom: 30px;
    }

    footer .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-col {
        margin-bottom: 20px;
    }

    .cta-section h2 {
        font-size: 1.8rem;
    }
    
    .product-slider .product-card {
        min-width: 280px;
    }
}

.brand-text-logo { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 1.2rem; color: #1a1a1a; padding: 10px 20px; border: 2px solid #d4af37; border-radius: 4px; background: white; text-transform: uppercase; letter-spacing: 1px; transition: all 0.4s; display: inline-block; } .brand-text-logo:hover { background: #d4af37; color: white; } .brand-placeholder { width: 100px; height: 100px; background: #f0f0f0; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; color: #7d7d7d; margin-bottom: 10px; border: 3px solid #d4af37; }

.item-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 40px; margin-top: 40px; } 
.item-card { background: white; padding: 30px; border-radius: 16px; box-shadow: 0 10px 30px rgba(0,0,0,0.08); text-align: center; transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); border: 1px solid #eaeaea; } 
.item-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.15); border-color: #d4af37; } 
.item-card img { width: 100%; height: 220px; object-fit: cover; border-radius: 10px; margin-bottom: 20px; } 
.item-card h4 { font-size: 1.15rem; color: #1a1a1a; margin: 0; font-weight: 600; }

.brand-card img { width: 180px; height: 100px; object-fit: contain; margin-bottom: 20px; transition: transform 0.3s ease; }
.brand-card:hover img { transform: scale(1.1); }
.brand-card h3 { font-size: 1rem !important; color: #666; margin-top: 10px; }

/* NEW SECTIONS */
.navbar.scrolled {
    background: rgba(15, 52, 96, 0.85) !important;
    backdrop-filter: blur(15px);
}
.why-choose-glass {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.glass-card {
    background: rgba(15, 52, 96, 0.9);
    border: 1px solid rgba(212, 175, 55, 0.3);
    backdrop-filter: blur(10px);
    padding: 40px 30px;
    border-radius: 16px;
    color: white;
    transition: all 0.4s ease;
    text-align: center;
}
.glass-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 25px rgba(212, 175, 55, 0.5);
    border-color: rgba(212, 175, 55, 0.8);
}
.glass-card i {
    font-size: 40px;
    color: var(--accent-gold);
    margin-bottom: 20px;
}
.glass-card h3 {
    color: white;
    margin-bottom: 15px;
    font-size: 1.3rem;
}
.glass-card p {
    color: rgba(255,255,255,0.8);
}

.product-slider {
    display: flex;
    overflow-x: auto;
    gap: 30px;
    padding-bottom: 20px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
}
.product-slider::-webkit-scrollbar { height: 8px; }
.product-slider::-webkit-scrollbar-thumb { background: var(--accent-gold); border-radius: 4px; }
.product-slider .product-card {
    min-width: 350px;
    scroll-snap-align: start;
    flex-shrink: 0;
}

.commitment-section {
    background: linear-gradient(rgba(15, 52, 96, 0.9), rgba(15, 52, 96, 0.9)), url('../assets/img/hero.png') center/cover;
    color: white;
    text-align: center;
    padding: 100px 20px;
}
.commitment-section h2 { color: white; margin-bottom: 30px; font-size: 2.5rem; }
.commitment-section p { max-width: 800px; margin: 0 auto 20px; font-size: 1.1rem; line-height: 1.8; color: rgba(255,255,255,0.9); }

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}
.service-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    text-align: center;
    transition: all 0.3s;
    border: 1px solid #eee;
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    border-color: var(--accent-gold);
}
.service-card i { font-size: 35px; color: var(--primary-color); margin-bottom: 15px; }
.service-card h4 { font-size: 1.2rem; color: #1a1a1a; margin: 0; }

.cta-section {
    background: linear-gradient(135deg, #16213e 0%, #0f3460 100%);
    padding: 80px 20px;
    text-align: center;
    color: white;
}
.cta-section h2 { color: white; font-size: 2.5rem; margin-bottom: 20px; }
.cta-section p { font-size: 1.2rem; color: rgba(255,255,255,0.8); margin-bottom: 40px; }
.btn-gold {
    display: inline-block;
    padding: 15px 40px;
    background: var(--accent-gold);
    color: #1a1a1a;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 8px;
    transition: all 0.3s;
}
.btn-gold:hover {
    background: white;
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(212,175,55,0.4);
}