/* ============================================
   AMAR KASH — BANGLADESH EDITION
   Theme: #B90064 | Clean & Modern
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,300;14..32,400;14..32,500;14..32,600;14..32,700;14..32,800;14..32,900&display=swap');

:root {
    --brand-pink: #B90064;
    --brand-pink-dark: #8A004A;
    --brand-pink-light: #D42A7E;
    --brand-pink-soft: #FCE4F0;
    --brand-pink-ultra: #FFF0F6;
    --brand-gold: #F59E0B;
    --brand-green: #006A4E;
    --bg-white: #FFFFFF;
    --bg-light: #FAFAFA;
    --bg-soft: #F5F2F0;
    --text-dark: #0F172A;
    --text-body: #1E293B;
    --text-muted: #64748B;
    --text-light: #94A3B8;
    --border-light: #E8E3E1;
    --border-brand: rgba(185, 0, 100, 0.08);
    --shadow-sm: 0 2px 16px rgba(185, 0, 100, 0.04);
    --shadow-md: 0 8px 32px rgba(185, 0, 100, 0.08);
    --shadow-lg: 0 16px 56px rgba(185, 0, 100, 0.12);
    --radius-round: 50px;
    --radius-box: 16px;
    --radius-large: 24px;
    --transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg-white);
    color: var(--text-body);
    line-height: 1.7;
    overflow-x: hidden;
}

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

a:hover {
    color: var(--brand-pink);
}

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

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

::selection {
    background: var(--brand-pink);
    color: #fff;
}

::-webkit-scrollbar {
    width: 5px;
}

::-webkit-scrollbar-track {
    background: var(--bg-soft);
}

::-webkit-scrollbar-thumb {
    background: var(--brand-pink-light);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--brand-pink);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1 {
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.04em;
    color: var(--text-dark);
}

h2 {
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--text-dark);
}

h3 {
    font-size: clamp(1.3rem, 2vw, 1.5rem);
    font-weight: 700;
    color: var(--text-dark);
}

h4 {
    font-size: clamp(1rem, 1.2vw, 1.1rem);
    font-weight: 600;
    color: var(--text-dark);
}

p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.8;
}

.section-tag {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--brand-pink);
    background: var(--brand-pink-soft);
    padding: 5px 20px;
    border-radius: var(--radius-round);
    margin-bottom: 14px;
}

.section-sub {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 540px;
    margin: 0 auto 40px;
}

.section-pad {
    padding: 80px 0;
}

@media (max-width: 768px) {
    .section-pad {
        padding: 56px 0;
    }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
    background: var(--brand-pink);
    color: #fff;
    border: none;
    padding: 14px 38px;
    border-radius: var(--radius-round);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    box-shadow: 0 4px 24px rgba(185, 0, 100, 0.20);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--brand-pink-dark);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 36px rgba(185, 0, 100, 0.30);
}

.btn-outline {
    background: transparent;
    color: var(--text-body);
    border: 2px solid var(--border-light);
    padding: 12px 34px;
    border-radius: var(--radius-round);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.btn-outline:hover {
    border-color: var(--brand-pink);
    color: var(--brand-pink);
    transform: translateY(-2px);
}

.btn-gold {
    background: linear-gradient(135deg, #F59E0B, #D97706);
    color: #fff;
    border: none;
    padding: 14px 38px;
    border-radius: var(--radius-round);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    box-shadow: 0 4px 24px rgba(245, 158, 11, 0.25);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.btn-gold:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 36px rgba(245, 158, 11, 0.35);
    color: #fff;
}

.btn-white-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.15);
    padding: 12px 34px;
    border-radius: var(--radius-round);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.btn-white-outline:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.30);
    color: #fff;
    transform: translateY(-2px);
}

/* ============================================
   NAVBAR — Fix mobile lag
   ============================================ */
.navbar-bd {
    background: var(--bg-white);
    border-bottom: 3px solid var(--brand-pink);
    padding: 10px 0;
    transition: var(--transition);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    box-shadow: 0 2px 20px rgba(185, 0, 100, 0.04);
}

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

.navbar-bd .brand-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-dark);
    flex-shrink: 0;
}

.navbar-bd .brand-wrap .brand-logo {
    height: 34px;
    width: auto;
}

.navbar-bd .brand-wrap .brand-label {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.navbar-bd .brand-wrap .brand-label .name {
    font-size: 1rem;
    font-weight: 800;
    color: var(--brand-pink);
}

.navbar-bd .brand-wrap .brand-label .tagline {
    font-size: 0.45rem;
    font-weight: 400;
    color: var(--text-light);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.navbar-bd .nav-item {
    font-weight: 500;
    color: var(--text-muted);
    padding: 6px 18px !important;
    transition: var(--transition);
    font-size: 0.9rem;
    border-radius: 8px;
}

.navbar-bd .nav-item:hover,
.navbar-bd .nav-item.active {
    color: var(--brand-pink);
    background: var(--brand-pink-soft);
}

.lang-switch-bd {
    display: flex;
    gap: 4px;
    background: var(--bg-soft);
    padding: 3px;
    border-radius: var(--radius-round);
}

.lang-switch-bd .lang-btn {
    border: none;
    background: transparent;
    padding: 4px 14px;
    border-radius: var(--radius-round);
    font-weight: 600;
    font-size: 0.65rem;
    color: var(--text-light);
    transition: var(--transition);
    cursor: pointer;
}

.lang-switch-bd .lang-btn.active {
    background: var(--brand-pink);
    color: #fff;
}

.lang-switch-bd .lang-btn:hover:not(.active) {
    color: var(--text-dark);
}

.toggler-bd {
    border: none;
    padding: 6px 4px;
    background: transparent;
    touch-action: manipulation;
}

.toggler-bd:focus {
    box-shadow: none;
}

.toggler-bd .bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    margin: 4px 0;
    transition: var(--transition);
    border-radius: 2px;
}

.toggler-bd[aria-expanded="true"] .bar:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.toggler-bd[aria-expanded="true"] .bar:nth-child(2) {
    opacity: 0;
}

.toggler-bd[aria-expanded="true"] .bar:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ============================================
   Desktop: Hide toggler
   ============================================ */
@media (min-width: 992px) {
    .toggler-bd {
        display: none !important;
    }

    .navbar-bd .navbar-collapse {
        display: flex !important;
        flex-basis: auto;
        height: auto !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: static !important;
        background: none !important;
        padding: 0 !important;
        box-shadow: none !important;
        border: none !important;
        overflow: visible !important;
        transform: none !important;
        pointer-events: auto !important;
    }

    .navbar-bd .navbar-collapse.collapse {
        display: flex !important;
        overflow: visible !important;
    }

    .navbar-bd .navbar-collapse.show {
        display: flex !important;
    }

    .navbar-bd .nav-close {
        display: none !important;
    }
}

/* ============================================
   Mobile: Full-screen menu with smooth animation
   ============================================ */
@media (max-width: 991px) {
    .navbar-bd .navbar-collapse {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: #FFFFFF;
        padding: 60px 32px 40px;
        margin: 0;
        border: none;
        border-radius: 0;
        z-index: 1040;
        overflow-y: auto;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        /* Use opacity + visibility + transform for smooth animation */
        opacity: 0;
        visibility: hidden;
        transform: scale(0.96);
        transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
        pointer-events: none;
        -webkit-overflow-scrolling: touch;
    }

    .navbar-bd .navbar-collapse.show {
        opacity: 1;
        visibility: visible;
        transform: scale(1);
        pointer-events: auto;
    }

    .navbar-bd .navbar-nav {
        flex-direction: column;
        align-items: center;
        gap: 8px;
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
        opacity: 0;
        transform: translateY(12px);
        transition: opacity 0.3s ease 0.1s, transform 0.3s ease 0.1s;
    }

    .navbar-bd .navbar-collapse.show .navbar-nav {
        opacity: 1;
        transform: translateY(0);
    }

    .navbar-bd .nav-item {
        font-size: 1.2rem;
        padding: 10px 24px !important;
        color: var(--text-body);
        border-bottom: 1px solid var(--border-light);
        width: 100%;
        text-align: center;
    }

    .navbar-bd .nav-item:last-child {
        border-bottom: none;
    }

    .navbar-bd .nav-item:hover,
    .navbar-bd .nav-item.active {
        color: var(--brand-pink);
        background: var(--brand-pink-soft);
        border-radius: 8px;
    }

    .lang-switch-bd {
        margin-top: 16px;
        background: var(--bg-soft);
        padding: 4px 6px;
        justify-content: center;
    }

    .navbar-bd .nav-close {
        display: block;
        position: absolute;
        top: 16px;
        right: 20px;
        background: none;
        border: none;
        color: var(--text-dark);
        font-size: 1.8rem;
        cursor: pointer;
        padding: 8px;
        opacity: 0.4;
        z-index: 1041;
        line-height: 1;
        transition: var(--transition);
        touch-action: manipulation;
    }

    .navbar-bd .nav-close:hover {
        opacity: 1;
    }
}

/* ============================================
   FOOTER — Light readable version
   ============================================ */
.footer-bd {
    background: var(--bg-white);
    border-top: 4px solid var(--brand-pink);
    padding: 40px 0 20px;
}

.footer-bd .footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-dark);
    font-weight: 700;
    font-size: 1.1rem;
}

.footer-bd .footer-brand img {
    height: 30px;
    width: auto;
    display: block;
}

.footer-bd .footer-link {
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: var(--transition);
}

.footer-bd .footer-link:hover {
    color: var(--brand-pink);
}

.footer-bd .divider-line {
    border-color: var(--border-light);
    margin: 16px 0;
}

.footer-bd .copy-text {
    font-size: 0.75rem;
    color: var(--text-light);
    text-align: center;
}

.footer-bd .muted-text {
    color: var(--text-light);
    font-size: 0.8rem;
}

@media (max-width: 768px) {
    .footer-bd .footer-brand {
        justify-content: center;
    }

    .footer-bd .text-md-end {
        text-align: center !important;
        margin-top: 8px;
    }

    .footer-bd .flex-center {
        flex-wrap: wrap;
        justify-content: center !important;
    }
}

@media (max-width: 480px) {
    .footer-bd .flex-center {
        flex-direction: column;
        align-items: center;
        gap: 4px !important;
    }

    .footer-bd .flex-center .divider-pipe {
        display: none;
    }

    .footer-bd .flex-center .footer-link,
    .footer-bd .flex-center .muted-text {
        display: block;
        text-align: center;
        width: 100%;
    }
}

/* ============================================
   UTILITY
   ============================================ */
.bg-cream {
    background: var(--bg-light);
}

.bg-white {
    background: var(--bg-white);
}

.border-light {
    border: 1px solid var(--border-light);
}

.gap-sm {
    gap: 8px;
}

.gap-md {
    gap: 16px;
}

.gap-lg {
    gap: 24px;
}

@media (max-width: 576px) {
    h2 {
        font-size: 1.8rem;
    }

    .btn-primary,
    .btn-outline,
    .btn-gold {
        padding: 12px 24px;
        font-size: 0.9rem;
        width: 100%;
        justify-content: center;
    }
}