/* ===== ভ্যারিয়েবল ===== */
:root {
    --primary: #6C63FF;
    --primary-dark: #4b42e0;
    --secondary: #FF6584;
    --dark: #0f0f1a;
    --dark-light: #1a1a2e;
    --text-light: #f1f1f1;
    --text-gray: #a0a0b0;
    --gradient: linear-gradient(135deg, #6C63FF 0%, #FF6584 100%);
    --radius: 14px;
    --shadow: 0 10px 30px rgba(0,0,0,0.15);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: #f7f7fb;
    color: #222;
    overflow-x: hidden;
}
body.lang-bn { font-family: 'Hind Siliguri', sans-serif; }

a { text-decoration:none; color:inherit; }
ul { list-style:none; }
img { max-width:100%; display:block; }

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

/* ===== হেডার ===== */
.main-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(15,15,26,0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 75px;
}

.logo img { height: 45px; }
.logo-text {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}
.logo-text i { color: var(--primary); }

.main-nav ul { display: flex; gap: 35px; }
.main-nav a {
    color: var(--text-light);
    font-weight: 500;
    position: relative;
    padding: 8px 0;
    transition: 0.3s;
}
.main-nav a::after {
    content:'';
    position: absolute;
    left:0; bottom:0;
    width:0; height:2px;
    background: var(--gradient);
    transition: 0.3s;
}
.main-nav a:hover,
.main-nav a.active { color: var(--primary); }
.main-nav a:hover::after,
.main-nav a.active::after { width: 100%; }

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* ভাষা সুইচার */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.08);
    padding: 6px 12px;
    border-radius: 30px;
    font-size: 14px;
}
.lang-switcher a { color: var(--text-gray); font-weight: 600; }
.lang-switcher a.active { color: var(--primary); }
.lang-switcher span { color: var(--text-gray); }

/* কার্ট আইকন */
.cart-icon {
    position: relative;
    color: var(--text-light);
    font-size: 20px;
}
.cart-badge {
    position: absolute;
    top: -8px; right: -10px;
    background: var(--secondary);
    color:#fff;
    font-size: 11px;
    font-weight: 700;
    width: 18px; height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* হ্যামবার্গার বাটন */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}
.hamburger span {
    width: 26px; height: 3px;
    background: #fff;
    border-radius: 3px;
    transition: 0.3s;
}
.hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* মোবাইল মেনু */
.mobile-nav {
    position: fixed;
    top: 0; right: -300px;
    width: 280px; height: 100vh;
    background: var(--dark-light);
    padding: 90px 30px 30px;
    transition: 0.4s ease;
    z-index: 1000;
}
.mobile-nav.active { right: 0; }
.mobile-nav ul li { margin-bottom: 20px; }
.mobile-nav ul li a {
    color: #fff;
    font-size: 17px;
    font-weight: 500;
}
.mobile-lang-switcher {
    margin-top: 40px;
    display: flex;
    gap: 15px;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
}
.mobile-lang-switcher a {
    color: var(--text-gray);
    font-weight: 600;
    padding: 6px 14px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 20px;
    font-size: 13px;
}
.mobile-lang-switcher a.active {
    background: var(--gradient);
    color: #fff;
    border-color: transparent;
}

.mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 998;
}
.mobile-overlay.active { display: block; }

/* ===== রেসপন্সিভ ===== */
@media (max-width: 900px) {
    .main-nav { display: none; }
    .hamburger { display: flex; }
}

/* ===== ফুটার ===== */
.main-footer {
    background: var(--dark);
    color: var(--text-gray);
    margin-top: 60px;
}
.footer-top { padding: 60px 0 40px; }
.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}
.footer-logo {
    color: #fff;
    font-size: 20px;
    margin-bottom: 15px;
    display: flex; align-items: center; gap: 8px;
}
.footer-logo i { color: var(--primary); }
.footer-col p { font-size: 14px; line-height: 1.7; }
.footer-col h4 { color: #fff; margin-bottom: 18px; font-size: 17px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; transition: 0.3s; }
.footer-links a:hover { color: var(--primary); padding-left: 5px; }
.footer-contact li {
    margin-bottom: 12px;
    font-size: 14px;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}
.footer-contact i { color: var(--primary); margin-top: 3px; }

.social-icons { display: flex; gap: 12px; margin-top: 20px; }
.social-icons a {
    width: 38px; height: 38px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    transition: 0.3s;
}
.social-icons a:hover {
    background: var(--gradient);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
}

@media (max-width: 768px) {
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; }
}

/* ===== হোয়াটসঅ্যাপ ফ্লোটিং বাটন ===== */
.whatsapp-float {
    position: fixed;
    bottom: 25px; right: 25px;
    width: 58px; height: 58px;
    background: #25D366;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-size: 28px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
    z-index: 900;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.6); }
    70% { box-shadow: 0 0 0 15px rgba(37,211,102,0); }
    100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* ============================================
   ধাপ ৩: হোম পেজের CSS
============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    transition: 0.3s;
    cursor: pointer;
    border: none;
}
.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 10px 25px rgba(108,99,255,0.4);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 15px 30px rgba(108,99,255,0.5); }
.btn-outline {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-white {
    background: #fff;
    color: var(--primary);
}
.btn-white:hover { transform: translateY(-3px); }

.section-head { text-align: center; max-width: 600px; margin: 0 auto 50px; }
.section-tag {
    display: inline-block;
    background: rgba(108,99,255,0.1);
    color: var(--primary);
    padding: 6px 18px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 15px;
}
.section-head h2 { font-size: 34px; font-weight: 700; color: var(--dark); }

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    background: var(--dark);
    overflow: hidden;
    padding: 100px 0;
}
.hero-shapes { position: absolute; inset: 0; z-index: 0; }
.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
}
.shape1 { width: 400px; height: 400px; background: var(--primary); top: -100px; left: -100px; animation: float1 8s ease-in-out infinite; }
.shape2 { width: 350px; height: 350px; background: var(--secondary); bottom: -100px; right: -50px; animation: float2 10s ease-in-out infinite; }
.shape3 { width: 250px; height: 250px; background: #00d4ff; top: 40%; right: 20%; animation: float1 7s ease-in-out infinite reverse; }

@keyframes float1 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(40px,40px); } }
@keyframes float2 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(-30px,-30px); } }

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
    align-items: center;
}
.hero-badge {
    display: inline-block;
    background: rgba(255,255,255,0.08);
    color: #fff;
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 14px;
    margin-bottom: 25px;
}
.hero-text h1 {
    font-size: 48px;
    font-weight: 800;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 20px;
}
.hero-text p {
    font-size: 17px;
    color: var(--text-gray);
    margin-bottom: 35px;
    max-width: 500px;
}
.hero-buttons { display: flex; gap: 15px; margin-bottom: 50px; flex-wrap: wrap; }

.hero-stats { display: flex; gap: 40px; }
.stat-item h3 { font-size: 32px; color: var(--primary); font-weight: 800; }
.stat-item p { font-size: 13px; color: var(--text-gray); margin: 0; }

/* হিরো ভিজ্যুয়াল - 3D ফ্লোটিং কার্ড */
.hero-visual {
    position: relative;
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1000px;
}
.floating-card {
    position: absolute;
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.card-main {
    width: 220px; height: 220px;
    font-size: 70px;
    color: var(--primary);
    animation: floatMain 5s ease-in-out infinite;
    transform: rotateY(-15deg) rotateX(10deg);
}
.card-small {
    width: 70px; height: 70px;
    font-size: 26px;
    color: #fff;
}
.card-1 { top: 10%; left: 0%; animation: floatSmall 4s ease-in-out infinite; background: linear-gradient(135deg,#6C63FF,#8d85ff); }
.card-2 { bottom: 15%; left: 5%; animation: floatSmall 5s ease-in-out infinite reverse; background: linear-gradient(135deg,#FF6584,#ff8da3); }
.card-3 { top: 5%; right: 5%; animation: floatSmall 4.5s ease-in-out infinite; background: linear-gradient(135deg,#00d4ff,#5ce5ff); }
.card-4 { bottom: 10%; right: 0%; animation: floatSmall 5.5s ease-in-out infinite reverse; background: linear-gradient(135deg,#ffb84d,#ffd27a); }

@keyframes floatMain { 0%,100% { transform: rotateY(-15deg) rotateX(10deg) translateY(0); } 50% { transform: rotateY(-15deg) rotateX(10deg) translateY(-25px); } }
@keyframes floatSmall { 0%,100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-20px) rotate(5deg); } }

@media (max-width: 900px) {
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero-text p { margin: 0 auto 35px; }
    .hero-buttons { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { height: 300px; margin-top: 30px; }
    .card-main { width: 150px; height: 150px; font-size: 50px; }
    .card-small { width: 55px; height: 55px; font-size: 20px; }
    .hero-text h1 { font-size: 32px; }
}

/* ===== WHY US - 3D TILT CARDS ===== */
.why-us { padding: 90px 0; background: #fff; }
.tilt-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.tilt-card {
    perspective: 1000px;
}
.tilt-inner {
    background: #fff;
    border-radius: var(--radius);
    padding: 35px 25px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border: 1px solid #eee;
    transition: transform 0.1s ease, box-shadow 0.3s;
    transform-style: preserve-3d;
    will-change: transform;
}
.tilt-inner:hover {
    box-shadow: 0 25px 45px rgba(108,99,255,0.25);
}
.tilt-icon {
    width: 70px; height: 70px;
    background: var(--gradient);
    border-radius: 18px;
    display: flex; align-items: center; justify-content: center;
    font-size: 28px;
    color: #fff;
    margin: 0 auto 20px;
    transform: translateZ(40px);
}
.tilt-inner h3 { font-size: 19px; margin-bottom: 12px; transform: translateZ(30px); }
.tilt-inner p { font-size: 14px; color: #777; line-height: 1.6; transform: translateZ(20px); }

@media (max-width: 992px) { .tilt-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 576px) { .tilt-grid { grid-template-columns: 1fr; } }

/* ===== SERVICES PREVIEW ===== */
.services-preview { padding: 90px 0; background: #f7f7fb; }
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.service-card {
    position: relative;
    background: #fff;
    border-radius: var(--radius);
    padding: 35px 28px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.06);
    transition: 0.4s;
    border: 1px solid #eee;
    overflow: hidden;
}
.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 45px rgba(108,99,255,0.2);
}
.offer-badge {
    position: absolute;
    top: 18px; right: -30px;
    background: var(--secondary);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 5px 35px;
    transform: rotate(45deg);
}
.service-icon {
    width: 60px; height: 60px;
    background: rgba(108,99,255,0.1);
    color: var(--primary);
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px;
    margin-bottom: 18px;
    transition: 0.4s;
}
.service-card:hover .service-icon {
    background: var(--gradient);
    color: #fff;
    transform: rotate(-8deg) scale(1.1);
}
.service-cat {
    display: inline-block;
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
}
.service-card h3 { font-size: 20px; margin-bottom: 10px; color: var(--dark); }
.service-card p { font-size: 14px; color: #777; line-height: 1.6; margin-bottom: 20px; }
.service-price { margin-bottom: 18px; }
.old-price { text-decoration: line-through; color: #aaa; font-size: 14px; margin-right: 10px; }
.new-price { font-size: 22px; font-weight: 700; color: var(--primary); }
.service-link {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--dark);
    font-weight: 600;
    font-size: 14px;
    transition: 0.3s;
}
.service-link:hover { color: var(--primary); gap: 10px; }

@media (max-width: 992px) { .service-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 576px) { .service-grid { grid-template-columns: 1fr; } }

/* ===== CTA BANNER ===== */
.cta-banner {
    background: var(--gradient);
    padding: 70px 0;
}
.cta-inner { text-align: center; color: #fff; }
.cta-inner h2 { font-size: 30px; margin-bottom: 15px; }
.cta-inner p { font-size: 16px; opacity: 0.9; margin-bottom: 30px; }

@media (max-width: 576px) {
    .section-head h2 { font-size: 26px; }
    .cta-inner h2 { font-size: 22px; }
}
/* ============================================
   ধাপ ৪ ও ৫: Services, Product Details, Cart, Checkout
============================================ */

.page-hero {
    background: var(--dark);
    padding: 60px 0;
    text-align: center;
}
.page-hero h1 { color: #fff; font-size: 34px; margin-bottom: 10px; }
.page-hero p { color: var(--text-gray); }
.page-hero .breadcrumb a { color: var(--primary); }

/* ===== Services Layout ===== */
.services-page { padding: 60px 0; }
.services-layout { display: grid; grid-template-columns: 260px 1fr; gap: 35px; }

.cat-sidebar {
    background: #fff;
    border-radius: var(--radius);
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    height: fit-content;
    position: sticky;
    top: 95px;
}
.cat-sidebar h3 { font-size: 17px; margin-bottom: 18px; }
.cat-list li { margin-bottom: 8px; }
.cat-list a {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 14px;
    color: #555;
    transition: 0.3s;
}
.cat-list a:hover, .cat-list a.active {
    background: var(--gradient);
    color: #fff;
}

.service-card-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}
.btn-cart-icon {
    width: 42px; height: 42px;
    border-radius: 12px;
    background: rgba(108,99,255,0.1);
    color: var(--primary);
    border: none;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
}
.btn-cart-icon:hover { background: var(--gradient); color: #fff; }

.no-products { text-align: center; padding: 60px 0; color: #999; grid-column: 1/-1; }

@media (max-width: 900px) {
    .services-layout { grid-template-columns: 1fr; }
    .cat-sidebar { position: static; }
    .cat-list { display: flex; flex-wrap: wrap; gap: 10px; }
    .cat-list li { margin: 0; }
}

/* ===== Product Details ===== */
.product-details { padding: 60px 0; }
.details-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; margin-bottom: 60px; }
.details-image img, .details-icon-box {
    width: 100%; border-radius: var(--radius);
}
.details-icon-box {
    height: 350px;
    background: var(--gradient);
    display: flex; align-items: center; justify-content: center;
    font-size: 100px;
    color: rgba(255,255,255,0.9);
}
.details-info h2 { font-size: 30px; margin: 10px 0 20px; color: var(--dark); }
.details-price { display: flex; align-items: center; gap: 15px; margin-bottom: 20px; flex-wrap: wrap; }
.details-price .new-price { font-size: 32px; font-weight: 800; color: var(--primary); }
.details-price .old-price { font-size: 18px; }
.save-badge {
    background: var(--secondary);
    color: #fff;
    font-size: 13px;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
}
.details-short { color: #666; line-height: 1.7; margin-bottom: 30px; }

.add-cart-form { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.qty-box label { display: block; font-size: 13px; margin-bottom: 8px; color: #666; }
.qty-controls { display: flex; align-items: center; border: 1px solid #ddd; border-radius: 10px; overflow: hidden; }
.qty-btn { width: 40px; height: 42px; background: #f5f5f5; border: none; cursor: pointer; font-size: 18px; }
.qty-controls input {
    width: 60px; text-align: center; border: none;
    height: 42px; font-size: 16px;
}

.details-description { margin-bottom: 60px; }
.details-description h3 { font-size: 22px; margin-bottom: 15px; }
.desc-content { color: #555; line-height: 1.8; }

.related-services h3 { font-size: 24px; margin-bottom: 30px; }

@media (max-width: 900px) {
    .details-layout { grid-template-columns: 1fr; }
}

/* ===== Cart Page ===== */
.cart-page { padding: 60px 0; }
.cart-table-wrap { overflow-x: auto; background: #fff; border-radius: var(--radius); box-shadow: 0 5px 20px rgba(0,0,0,0.05); }
.cart-table { width: 100%; border-collapse: collapse; min-width: 600px; }
.cart-table th, .cart-table td { padding: 18px 20px; text-align: left; border-bottom: 1px solid #eee; font-size: 14px; }
.cart-table th { color: #999; font-weight: 600; text-transform: uppercase; font-size: 12px; }
.cart-product { display: flex; align-items: center; gap: 15px; font-weight: 600; }
.cart-product img, .cart-icon-box { width: 55px; height: 55px; border-radius: 10px; object-fit: cover; }
.cart-icon-box { background: var(--gradient); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 20px; }
.qty-input { width: 65px; padding: 8px; border: 1px solid #ddd; border-radius: 8px; text-align: center; }
.remove-btn { color: #e74c3c; font-size: 16px; }

.cart-bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 30px; flex-wrap: wrap; gap: 20px; }
.cart-total-box { display: flex; align-items: center; gap: 25px; }
.cart-total-box h3 { font-size: 20px; }
.cart-total-box h3 span { color: var(--primary); font-size: 24px; }

.empty-state { text-align: center; padding: 80px 0; }
.empty-state i { font-size: 60px; color: #ddd; margin-bottom: 20px; }
.empty-state p { color: #999; margin-bottom: 25px; font-size: 16px; }

/* ===== Checkout ===== */
.checkout-page { padding: 60px 0; }
.checkout-layout { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: start; }

.checkout-form-box {
    background: #fff;
    border-radius: var(--radius);
    padding: 35px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}
.checkout-form-box h3 { font-size: 19px; margin: 25px 0 18px; }
.checkout-form-box h3:first-child { margin-top: 0; }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; margin-bottom: 8px; color: #555; font-weight: 500; }
.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-family: inherit;
    font-size: 14px;
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.payment-methods { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 20px; }
.payment-option {
    display: flex; align-items: center; gap: 10px;
    border: 2px solid #eee;
    border-radius: 10px;
    padding: 14px;
    cursor: pointer;
    transition: 0.3s;
}
.payment-option:has(input:checked) { border-color: var(--primary); background: rgba(108,99,255,0.05); }
.payment-option input { width: auto; }

.payment-info-box {
    background: #f7f7fb;
    border-radius: 10px;
    padding: 15px 18px;
    margin-bottom: 20px;
    font-size: 14px;
    color: #555;
}

.btn-full { width: 100%; justify-content: center; }

.order-summary-box {
    background: #fff;
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    position: sticky;
    top: 95px;
}
.order-summary-box h3 { font-size: 18px; margin-bottom: 20px; }
.summary-list li {
    display: flex; justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
    font-size: 14px;
}
.summary-total {
    display: flex; justify-content: space-between;
    padding-top: 18px;
    margin-top: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

@media (max-width: 900px) {
    .checkout-layout { grid-template-columns: 1fr; }
    .order-summary-box { position: static; }
    .payment-methods { grid-template-columns: 1fr; }
}

/* ===== Order Success ===== */
.order-success-page { padding: 80px 0; }
.success-box {
    max-width: 550px;
    margin: 0 auto;
    background: #fff;
    border-radius: var(--radius);
    padding: 50px 35px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
}
.success-icon { font-size: 70px; color: #2ecc71; margin-bottom: 20px; }
.success-box h2 { font-size: 26px; margin-bottom: 12px; }
.success-box p { color: #777; margin-bottom: 25px; }
.order-no-box {
    background: rgba(108,99,255,0.08);
    color: var(--primary);
    padding: 14px;
    border-radius: 10px;
    font-size: 16px;
}
/* ============================================
   ধাপ ৬ ও ৭: About ও Contact পেজ
============================================ */

/* ===== About: Who We Are ===== */
.about-who { padding: 90px 0; background: #fff; }
.about-who-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 60px;
    align-items: center;
}
.about-who-visual {
    position: relative;
}
.about-visual-box {
    width: 100%;
    height: 380px;
    background: var(--gradient);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 120px;
    color: rgba(255,255,255,0.9);
    box-shadow: 0 25px 50px rgba(108,99,255,0.3);
}
.about-visual-badge {
    position: absolute;
    bottom: -25px; right: -20px;
    background: #fff;
    padding: 20px 30px;
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
    text-align: center;
}
.about-visual-badge h3 { font-size: 32px; color: var(--primary); font-weight: 800; }
.about-visual-badge p { font-size: 13px; color: #777; }

.about-who-text h2 { font-size: 30px; margin: 10px 0 18px; color: var(--dark); }
.about-who-text > p { color: #666; line-height: 1.8; margin-bottom: 30px; }

.mission-vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.mv-card {
    background: #f7f7fb;
    padding: 25px;
    border-radius: 14px;
    border-left: 4px solid var(--primary);
}
.mv-icon { font-size: 24px; color: var(--primary); margin-bottom: 12px; }
.mv-card h4 { font-size: 17px; margin-bottom: 10px; }
.mv-card p { font-size: 13px; color: #777; line-height: 1.6; }

@media (max-width: 900px) {
    .about-who-grid { grid-template-columns: 1fr; }
    .mission-vision-grid { grid-template-columns: 1fr; }
    .about-visual-box { height: 280px; font-size: 80px; }
}

/* ===== About Stats ===== */
.about-stats {
    background: var(--dark);
    padding: 60px 0;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}
.stat-box h3 { font-size: 40px; color: var(--primary); font-weight: 800; }
.stat-box p { color: var(--text-gray); font-size: 14px; margin-top: 8px; }

@media (max-width: 768px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px 20px; }
}

/* ===== Expertise Grid ===== */
.expertise-section { padding: 90px 0; background: #f7f7fb; }
.section-head p { color: #777; margin-top: 10px; }
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}
.expertise-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 30px 22px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0,0,0,0.06);
    transition: 0.4s;
}
.expertise-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(108,99,255,0.2);
}
.expertise-icon {
    width: 65px; height: 65px;
    margin: 0 auto 18px;
    background: rgba(108,99,255,0.1);
    color: var(--primary);
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 26px;
    transition: 0.4s;
}
.expertise-card:hover .expertise-icon {
    background: var(--gradient);
    color: #fff;
    transform: rotate(-8deg) scale(1.1);
}
.expertise-card h3 { font-size: 17px; margin-bottom: 10px; color: var(--dark); }
.expertise-card p { font-size: 13px; color: #777; line-height: 1.6; }

@media (max-width: 992px) { .expertise-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 576px) { .expertise-grid { grid-template-columns: 1fr; } }

/* ===== Contact Page ===== */
.contact-page { padding: 60px 0; }
.contact-layout {
    display: grid;
    grid-template-columns: 0.9fr 1.3fr;
    gap: 35px;
    margin-bottom: 40px;
}

.contact-info-box {
    background: var(--dark);
    color: #fff;
    border-radius: var(--radius);
    padding: 35px;
}
.contact-info-box h3 { margin-bottom: 25px; font-size: 20px; }
.contact-info-item {
    display: flex;
    gap: 18px;
    margin-bottom: 25px;
}
.contact-info-icon {
    width: 48px; height: 48px;
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
    color: var(--primary);
    flex-shrink: 0;
}
.contact-info-item h4 { font-size: 15px; margin-bottom: 5px; }
.contact-info-item p { font-size: 13px; color: var(--text-gray); line-height: 1.6; }

.contact-form-box {
    background: #fff;
    border-radius: var(--radius);
    padding: 35px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}
.contact-form-box h3 { margin-bottom: 25px; font-size: 20px; }
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.alert-success {
    background: #e8f8ef;
    color: #27ae60;
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.map-box { border-radius: var(--radius); overflow: hidden; }

@media (max-width: 900px) {
    .contact-layout { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
}
/* ============================================
   ধাপ ১৩: Hero Slider, Clients, Demo Link
============================================ */

/* ===== Hero Slider ===== */
.hero-slider {
    position: relative;
    background: var(--dark);
    overflow: hidden;
}
.hero-slides-wrap {
    position: relative;
    min-height: 620px;
}
.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: scale(1.08) rotateY(10deg);
    transition: opacity 1s ease, transform 1.2s ease;
    pointer-events: none;
    display: flex;
    align-items: center;
    padding: 90px 0;
}
.hero-slide.active {
    opacity: 1;
    transform: scale(1) rotateY(0deg);
    pointer-events: auto;
    position: relative;
}
.hero-slide-bg {
    position: absolute; inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.25;
    z-index: 0;
}
.hero-slide .hero-inner { position: relative; z-index: 1; }

.hero-dots {
    position: absolute;
    bottom: 25px; left: 50%;
    transform: translateX(-50%);
    display: flex; gap: 10px;
    z-index: 5;
}
.hero-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: 0.3s;
}
.hero-dot.active {
    background: var(--gradient);
    width: 30px;
    border-radius: 10px;
}

@media (max-width: 900px) {
    .hero-slides-wrap { min-height: 650px; }
}

/* ===== Clients Section ===== */
.clients-section { padding: 80px 0; background: #fff; }
.clients-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
    align-items: center;
}
.client-card {
    background: #f7f7fb;
    border-radius: 14px;
    padding: 25px 15px;
    display: flex; align-items: center; justify-content: center;
    min-height: 100px;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: 0.4s;
    text-align: center;
}
.client-card:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(108,99,255,0.15);
}
.client-card img { max-height: 50px; max-width: 100%; }
.client-card span { font-weight: 700; color: var(--dark); font-size: 15px; }

@media (max-width: 992px) { .clients-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 576px) { .clients-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===== Demo Link Button ===== */
.btn-demo-icon {
    width: 42px; height: 42px;
    border-radius: 12px;
    background: rgba(255,101,132,0.1);
    color: var(--secondary);
    border: none;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: 0.3s;
}
.btn-demo-icon:hover { background: var(--secondary); color: #fff; }

.demo-btn-details {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    border: 2px solid var(--secondary);
    color: var(--secondary);
    transition: 0.3s;
}
.demo-btn-details:hover {
    background: var(--secondary);
    color: #fff;
}

.service-card-actions { gap: 10px; }