/* ===================================
   SILVERLINE INTERNATIONAL LIMITED
   Luxury Jewellery Website CSS
=================================== */

:root {
    --gold: #D4AF37;
    --gold-light: #e5c76b;
    --dark: #050505;
    --dark-2: #0d0d0d;
    --dark-3: #151515;
    --white: #ffffff;
    --gray: #777777;
    --light: #f8f8f8;
    --transition: all .4s ease;
    --shadow: 0 15px 40px rgba(0, 0, 0, .15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    color: #222;
    background: #fff;
    line-height: 1.7;
}

img {
    width: 100%;
    display: block;
}

a {
    text-decoration: none;
}

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: 1300px;
    margin: auto;
}

/* ======================
TOPBAR
====================== */

.topbar {
    background-color: #000;
    color: lab(100% 0.01 -0.01);
    font-size: 14px;
    padding: 10px 0;
}

.topbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.topbar a {
    color: hwb(0 100% 0%);
}

.topbar i {
    color: var(--gold);
    margin-right: 8px;
}

/* ======================
HEADER
====================== */

header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    transition: .4s;
    background: rgba(15, 15, 15, 0.45);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    ;
}

header.sticky {
    background: linear-gradient(135deg,
            rgba(0, 0, 0, 0.9),
            rgba(0, 0, 0, 0.5));
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(12px);
    top: 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, .3);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 100px;
    z-index: 999;
    width: auto;
    object-fit: contain;
    display: block;
}

#header.sticky .logo {
    height: 65px;
}

.nav-menu {
    display: flex;
    gap: 35px;
}

.nav-menu a {
    color: hwb(0 100% 0%);
    font-weight: 500;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--gold);
    left: 0;
    bottom: -6px;
    transition: .4s;
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 28px;
    height: 3px;
    background: #fff;
    margin: 5px 0;
}

/* ======================
BUTTONS
====================== */

.btn-gold {
    display: inline-block;
    padding: 14px 35px;
    border-radius: 50px;
    background: linear-gradient(135deg,
            var(--gold),
            var(--gold-light));
    color: #fff;
    font-weight: 600;
    transition: var(--transition);
}

.btn-gold:hover {
    transform: translateY(-3px);
}

.btn-outline {
    display: inline-block;
    padding: 14px 35px;
    border: 2px solid #fff;
    border-radius: 50px;
    color: #fff;
    transition: var(--transition);
}

.btn-outline:hover {
    background: #fff;
    color: #000;
}

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

.hero {
    height: 100vh;
}

.heroSlider,
.heroSlider .swiper-slide {
    height: 100vh;
}

.slide-1 {
    background: url('img/slider1.jpg') center center/cover no-repeat;
}

.slide-2 {
    background: url('img/slider2.png') center center/cover no-repeat;
}

.hero .overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .65);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    max-width: 900px;
    margin: auto;
    top: 50%;
    transform: translateY(-50%);
    padding: 20px;
}

.hero-content .subtitle {
    color: var(--gold);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.hero-content h1 {
    font-size: 70px;
    line-height: 1.1;
    margin: 20px 0;
    font-family: 'Playfair Display', serif;
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 30px;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 15px;
}

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

section:not(.hero) {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title span {
    color: var(--gold);
    letter-spacing: 3px;
    font-weight: 600;
}

.section-title h2 {
    font-size: 20px;
    font-family: 'Playfair Display', serif;
    margin-top: 15px;
}

/* ======================
STATS
====================== */

.stats-section {
    background: #0a0a0a;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.stat-box {
    background: #111;
    padding: 40px;
    text-align: center;
    border-radius: 20px;
    color: #fff;
    border: 1px solid rgba(212, 175, 55, .15);
}

.stat-box h2 {
    color: var(--gold);
    font-size: 50px;
    margin-bottom: 10px;
}

/* ======================
ABOUT
====================== */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image img {
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.about-content h3 {
    font-size: 34px;
    margin-bottom: 20px;
    font-family: 'Playfair Display', serif;
}

.about-content p {
    margin-bottom: 20px;
    color: #666;
}

/* ======================
WHY CHOOSE US
====================== */

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.why-card {
    background: #fff;
    padding: 25px 20px;
    width: 390px;
    margin-left: 30px;
    margin-bottom: 35px;
    text-align: center;
    border-radius: 15px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: all 0.4s ease;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

.why-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: rgba(212, 175, 55, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.why-icon i {
    font-size: 32px;
    color: #D4AF37;
}

.why-card h3 {
    margin-bottom: 15px;
    font-family: 'Playfair Display', serif;
}

.why-card p {
    color: #666;
    line-height: 1.7;
}

.why-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.why-card:hover .why-icon {
    background: #D4AF37;
}

.why-card:hover .why-icon i {
    color: #fff;
}

@media(max-width:768px) {
    .why-grid {
        grid-template-columns: 1fr;
    }
}

/* ======================
PRODUCTS
====================== */

.products-section {
    background: #0b0f14;
}

.products-section .section-title h2 {
    color: #fff;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: #151d27;
    border-radius: 20px;
    overflow: hidden;
    color: #fff;
    transition: .4s;
}

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

.product-card img {
    height: 280px;
    object-fit: cover;
    transition: .6s;
}

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

.product-card h3 {
    padding: 25px;
    text-align: center;
}

/* ======================
SERVICES
====================== */

.services-section {
    background: #020b15;
    color: #fff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.service-card {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    height: 300px;
    box-shadow: rgba(0, 0, 0, 0.07) 0px 1px 2px, #f3f2f2de 0px 2px 4px, hsl(0, 0%, 83%) 0px 4px 8px, rgba(0, 0, 0, 0.07) 0px 8px 16px, rgba(253, 252, 252, 0.07) 0px 16px 32px, rgba(0, 0, 0, 0.07) 0px 32px 64px;
    cursor: pointer;
}

.service-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.6s ease;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top,
            rgba(0, 0, 0, 0.9),
            rgba(0, 0, 0, 0.25));
    z-index: 1;
}

.service-overlay {
    position: absolute;
    left: 25px;
    bottom: 25px;
    z-index: 2;
    color: #fff;
}

.service-overlay h3 {
    font-size: 24px;
    margin-bottom: 8px;
    font-family: 'Playfair Display', serif;
}

.service-overlay p {
    font-size: 14px;
    opacity: .9;
}

.service-card:hover img {
    transform: scale(1.08);
}

.service-card:hover {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    box-shadow:
        rgba(255, 255, 255, 0.40) 5px 5px,
        rgba(255, 255, 255, 0.30) 10px 10px,
        rgba(255, 255, 255, 0.20) 15px 15px,
        rgba(255, 255, 255, 0.10) 20px 20px,
        rgba(255, 255, 255, 0.05) 25px 25px;
}

@media(max-width:768px) {

    .services-grid {
        grid-template-columns: 1fr;
    }

    .service-card {
        height: 250px;
    }

}

/* ======================
TESTIMONIAL
====================== */

.testimonial-section {
    background: #0b0f14;
}

.testimonial-section .section-title h2 {
    color: #fff;
}

.testimonial-card {
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(212, 175, 55, .2);
    backdrop-filter: blur(12px);
    padding: 50px;
    border-radius: 20px;
    color: #fff;
    text-align: center;
    max-width: 800px;
    margin: auto;
}

.testimonial-card p {
    font-size: 20px;
    margin-bottom: 20px;
}

/* ======================
CTA
====================== */

.cta-section {
    background:
        linear-gradient(rgba(0, 0, 0, .75),
            rgba(0, 0, 0, .75)),
        url('images/banner.png') center/cover;
    text-align: center;
    color: #fff;
}

.cta-section h2 {
    font-size: 50px;
    margin-bottom: 30px;
    font-family: 'Playfair Display', serif;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    background: #fafafa;
    padding: 40px;
    border-radius: 20px;
}

.contact-info p {
    margin-top: 20px;
}

.contact-info i {
    color: var(--gold);
    margin-right: 10px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 10px;
    outline: none;
}

.contact-form button {
    border: none;
    cursor: pointer;
}

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

footer {
    background: #000;
    color: #bbb;
    padding-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
}

.footer-grid h3,
.footer-grid h4 {
    color: #fff;
    margin-bottom: 20px;
}

.footer-grid a {
    display: block;
    color: #bbb;
    margin-bottom: 10px;
}

.footer-grid a:hover {
    color: var(--gold);
}

.copyright {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, .1);
    margin-top: 50px;
    padding: 25px;
}

/* ======================
WHATSAPP
====================== */

.whatsapp {
    position: fixed;
    right: 25px;
    bottom: 25px;
    width: 65px;
    height: 65px;
    border-radius: 50%;
    background: #25D366;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    z-index: 999;
    box-shadow: 0 10px 25px rgba(0, 0, 0, .25);
}

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

@media(max-width:991px) {

    .hero-content h1 {
        font-size: 50px;
    }

    .stats-grid,
    .why-grid,
    .products-grid,
    .services-grid,
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media(max-width:768px) {

    .hamburger {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #000;
        flex-direction: column;
        padding: 30px;
        display: none;
    }

    .nav-menu.active {
        display: flex;
    }

    .hero-content h1 {
        font-size: 38px;
    }

    .hero-btns {
        flex-direction: column;
        align-items: center;
    }

    .stats-grid,
    .why-grid,
    .products-grid,
    .services-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .section-title h2 {
        font-size: 34px;
    }

    .cta-section h2 {
        font-size: 34px;
    }

    .topbar .container {
        flex-direction: column;
        gap: 8px;
    }
}