/*--------------------------------------------------------------
# 1. Global Reset & Variables (গ্লোবাল ভ্যারিয়েবল)
--------------------------------------------------------------*/
:root {
    --primary-gradient: linear-gradient(135deg, #ff5722, #ff9800);
    --primary-color: #ff5722;
    --bg-dark: #0b0b14;
    --card-bg: rgba(255, 255, 255, 0.03);
    --border-glass: rgba(255, 255, 255, 0.08);
    --text-glow: 0 0 20px rgba(255, 87, 34, 0.4);
    --white: #ffffff;
    --transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: #f1f1f5;
    font-family: 'Poppins', 'Hind Siliguri', sans-serif;
    overflow-x: hidden;
    line-height: 1.6;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/*--------------------------------------------------------------
# 2. Buttons & Badges (প্রিমিয়াম বাটন ও গ্লো)
--------------------------------------------------------------*/
.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary-gradient);
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(255, 87, 34, 0.4);
    text-align: center;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 87, 34, 0.6);
}

.btn-nav {
    padding: 8px 22px;
    font-size: 0.95rem;
}

.btn-hero {
    font-size: 1.1rem;
    padding: 15px 40px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 5px 15px rgba(255, 87, 34, 0.4); }
    50% { transform: scale(1.03); box-shadow: 0 5px 25px rgba(255, 87, 34, 0.7); }
    100% { transform: scale(1); box-shadow: 0 5px 15px rgba(255, 87, 34, 0.4); }
}

.badge {
    display: inline-block;
    background-color: rgba(255, 183, 3, 0.15);
    color: #ffb703;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 15px;
    border: 1px solid rgba(255, 183, 3, 0.3);
}

/*--------------------------------------------------------------
# 3. Header Section (গ্লাস মরফিজম হেডার)
--------------------------------------------------------------*/
header {
    background: rgba(11, 11, 20, 0.7);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-glass);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo h2 {
    font-size: 1.8rem;
    color: var(--white);
    font-weight: 700;
}

.logo h2 span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/*--------------------------------------------------------------
# 4. Hero Section (৩ডি ডেপ্ত সেকশন)
--------------------------------------------------------------*/
.hero {
    padding: 80px 0;
    position: relative;
    background: radial-gradient(circle at 80% 20%, rgba(255, 87, 34, 0.12), transparent 50%);
    perspective: 1000px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-content h1 {
    font-size: 2.8rem;
    color: var(--white);
    line-height: 1.3;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.1rem;
    color: #b0b0c0;
    margin-bottom: 25px;
}

.price-tag {
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.old-price {
    font-size: 1.3rem;
    color: #777;
    text-decoration: line-through;
}

.new-price {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(var(--text-glow));
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    transform-style: preserve-3d;
    transition: transform 0.1s ease;
}

/* style.css এর ভেতরের .hero-image img সেকশনটি এই কোড দিয়ে বদলে দিন */
.hero-image img {
    width: 100%;             /* ছবিটিকে কন্টেইনারের পুরো চওড়া করবে */
    max-width: 500px;        /* ছবিটির সর্বোচ্চ সাইজ ৫০০ পিক্সেল পর্যন্ত বড় হবে */
    height: auto;
    object-fit: contain;
    transform: translateZ(60px);
    filter: drop-shadow(0 35px 60px rgba(255, 87, 34, 0.35)); /* শ্যাডো বা গ্লো আরও বাড়ালাম */
    animation: float3D 6s ease-in-out infinite;
    mix-blend-mode: screen; 
}


@keyframes float3D {
    0% { transform: translateY(0px) rotateY(0deg) translateZ(50px); }
    50% { transform: translateY(-15px) rotateY(6deg) translateZ(65px); }
    100% { transform: translateY(0px) rotateY(0deg) translateZ(50px); }
}

/*--------------------------------------------------------------
# 5. Features Section (কার্ডস)
--------------------------------------------------------------*/
.features {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    color: var(--white);
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    margin: 10px auto 0 auto;
    border-radius: 2px;
}

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

.feature-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-glass);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 87, 34, 0.4);
    box-shadow: 0 20px 40px rgba(255, 87, 34, 0.1);
}

.feature-card i {
    font-size: 2.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.3rem;
    color: var(--white);
    margin-bottom: 15px;
}

.feature-card p {
    color: #a0a0b0;
}

/*--------------------------------------------------------------
# 6. Order Section & Form (ডার্ক ফর্ম)
--------------------------------------------------------------*/
.order-section {
    padding: 80px 0;
    background: radial-gradient(circle at 20% 80%, rgba(255, 87, 34, 0.08), transparent 50%);
}

.order-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.order-info h2 {
    font-size: 2.2rem;
    color: var(--white);
    margin-bottom: 20px;
}

.order-info p {
    color: #a0a0b0;
}

.order-bullets {
    list-style: none;
    margin-top: 25px;
}

.order-bullets li {
    font-size: 1.1rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: #e1e1e8;
}

.order-bullets li i {
    color: #2ec4b6;
    font-size: 1.2rem;
}

.form-container {
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #e1e1e8;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(255, 87, 34, 0.25);
}

.form-group select option {
    background: #11111a;
    color: #fff;
}

.btn-submit {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
    border-radius: 8px;
}

.hidden {
    display: none !important;
}

#success-message {
    text-align: center;
    padding: 30px 10px;
}

#success-message i {
    font-size: 4rem;
    color: #2ec4b6;
    margin-bottom: 15px;
}

/*--------------------------------------------------------------
# 7. Footer & Responsive (ফুটার ও মিডিয়া কুয়েরি)
--------------------------------------------------------------*/
footer {
    background-color: #05050a;
    color: #707085;
    padding: 25px 0;
    font-size: 0.95rem;
    border-top: 1px solid var(--border-glass);
}

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

@media (max-width: 992px) {
    .hero-grid, .order-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content h1 { font-size: 2.2rem; }
    .price-tag { justify-content: center; }
    .features-grid { grid-template-columns: 1fr; }
    .order-bullets li { justify-content: center; }
    .hero-image { order: -1; }
}