/* ==========================================
   Google Fonts
========================================== */
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+Bengali:wght@300;400;500;600;700&display=swap");

/* ==========================================
   CSS Variables
========================================== */
:root {
    --primary:      #F0532D;
    --secondary:    #14435A;
    --navy:         #0e2d3d;
    --navy-dark:    #091f2b;
    --navy-light:   #1a3f54;
    --white:        #ffffff;
    --bg-slate:     #f4f6f8;
    --bg-teal:      #f0f7f9;
    --text-dark:    #1a1a2e;
    --text-muted:   #6b7280;
    --text-light:   #94a3b8;
    --border:       #e4edf1;
    --border-navy:  #1e4a63;
    --shadow-sm:    0 2px 12px rgba(14, 45, 61, 0.10);
    --shadow-md:    0 4px 24px rgba(14, 45, 61, 0.15);
    --radius-sm:    10px;
    --radius-md:    14px;
    --radius-lg:    20px;
    --radius-pill:  50px;
    --font: 'Noto Sans Bengali', sans-serif;
}

/* ==========================================
   Reset
========================================== */
*, *::before, *::after {
    margin: 0; padding: 0;
    box-sizing: border-box;    
}
body {
  font-family: var(--font);
}
img { max-width: 100%; display: block; }
ul  { list-style: none; }
a   { text-decoration: none; }
h1, h2, h3, h4, h5, h6 { color: var(--text-dark); margin: 0; padding: 0; }
p { margin: 0; padding: 0; }

/* ==========================================
   Header
========================================== */
.header_height { height: 80px; }
 
.header_area {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    padding: 12px 0;
    background: transparent;
    transition: background 0.3s, box-shadow 0.3s;
    z-index: 9999;
}
.header_area.sticky_header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
}
 
.logo img { max-height: 56px; transition: filter 0.3s; }
 
.header_auth {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    height: 100%;
}
.header_auth__child { display: flex; gap: 12px; }
 
.header_join_btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: 8px;
    background: var(--primary);
    color: var(--white);
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
    border: 2px solid transparent;
    box-shadow: 0 4px 18px rgba(240, 83, 45, 0.45);
    transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
}
.header_join_btn:hover {
    background: #d4431f;
    color: var(--white);
    box-shadow: 0 6px 24px rgba(240, 83, 45, 0.6);
    transform: translateY(-2px);
}
.header_join_btn i { font-size: 16px; }

/* ==========================================
   Hero Section — Deep Navy
========================================== */
.hero_area {
    background: var(--navy);
    position: relative;
    overflow: hidden;
}
/* Subtle diagonal highlight */
.hero_area::before {
    content: '';
    position: absolute;
    top: -120px; right: -80px;
    width: 520px; height: 520px;
    border-radius: 50%;
    background: rgba(240, 83, 45, 0.07);
    pointer-events: none;
}
.hero_area::after {
    content: '';
    position: absolute;
    bottom: -100px; left: -60px;
    width: 380px; height: 380px;
    border-radius: 50%;
    background: rgba(255,255,255,0.03);
    pointer-events: none;
}

.hero_area .hero {
    min-height: 600px;
    padding: 72px 0 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* Badge */
.hero_area .badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 7px 18px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    color: #f9b49a;
    font-weight: 600;
    margin-bottom: 1.4rem;
}
.hero_area .badge i { font-size: 15px; }

/* Title */
.hero_area .hero-title {
    font-size: clamp(1.9rem, 3.2vw, 2.8rem);
    font-weight: 800;
    line-height: 1.28;
    color: #ffffff;
    margin-bottom: 1.1rem;
}
.hero_area .hero-title .accent { color: var(--primary); }

/* Description */
.hero_area .hero-desc {
    font-size: 15.5px;
    color: #9ec4d4;
    line-height: 1.8;
    margin-bottom: 1.8rem;
    max-width: 440px;
}

/* Stats */
.hero_area .stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.4rem;
    flex-wrap: wrap;
}
.hero_area .stat-item {
    display: flex;
    align-items: center;
    gap: 10px;
}
.hero_area .stat-icon {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: rgba(240,83,45,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.hero_area .stat-icon i { font-size: 18px; color: var(--primary); }
.hero_area .stat-num {
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.2;
}
.hero_area .stat-lbl { font-size: 11.5px; color: #6a9ab0; margin-top: 2px; }

/* Buttons */
.hero_area .btn-group {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}
.hero_area .btn-primary {
    background: var(--primary);
    color: var(--white);
    padding: 14px 30px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s, transform 0.15s;
    border: none;
    box-shadow: 0 4px 16px rgba(240,83,45,0.35);
}
.hero_area .btn-primary:hover { background: #d4431f; transform: translateY(-2px); }
.hero_area .btn-primary i { font-size: 16px; }

.hero_area .btn-outline {
    background: transparent;
    color: #ffffff;
    border: 1.5px solid rgba(255,255,255,0.3);
    padding: 14px 30px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    transition: border-color 0.2s, background 0.2s, transform 0.15s;
}
.hero_area .btn-outline:hover {
    border-color: var(--primary);
    background: rgba(240,83,45,0.1);
    color: #ffffff;
    transform: translateY(-2px);
}

/* Right Column */
.hero_area .hero-right {
    display: flex;
    flex-direction: column;
    gap: 14px;
    position: relative;
    z-index: 1;
}

/* Search Box */
.hero_area .search-box {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-md);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.hero_area .search-box i    { font-size: 18px; color: #5a8fa8; }
.hero_area .search-box span { font-size: 14px; color: #4a7a96; letter-spacing: 1.5px; }

/* Risk Card */
.hero_area .risk-card {
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1.5px solid #ffccc7;
    padding: 22px 24px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
    transition: border-color 0.7s, background 0.7s;
}
.hero_area .risk-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 4px;
}
.hero_area .risk-label-wrap { display: flex; align-items: center; gap: 12px; }
.hero_area .risk-icon-wrap {
    width: 40px; height: 40px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.7s;
    flex-shrink: 0;
}
.hero_area .risk-icon-wrap i { font-size: 20px; transition: color 0.7s; }
.hero_area .risk-title-text  { font-weight: 700; font-size: 1rem; color: var(--text-dark); line-height: 1.2; }
.hero_area .risk-sub-text    { font-size: 12px; color: #bbb; margin-top: 3px; }
.hero_area .risk-pct-wrap    { text-align: right; }
.hero_area .risk-pct-num     { font-size: 2.1rem; font-weight: 800; line-height: 1; transition: color 0.7s; }
.hero_area .risk-pct-label   { font-size: 11px; color: #aaa; margin-top: 4px; }

.hero_area .progress-track {
    height: 7px;
    border-radius: 20px;
    background: #f0eef8;
    margin: 16px 0 10px;
    overflow: hidden;
}
.hero_area .progress-bar {
    height: 100%;
    border-radius: 20px;
    transition: width 1.1s cubic-bezier(.4,0,.2,1), background 0.7s;
}

.hero_area .card-stats { display: flex; margin-top: 8px; }
.hero_area .card-stat  { flex: 1; text-align: center; padding: 4px 0; }
.hero_area .card-stat + .card-stat { border-left: 1px solid #f0eef8; }
.hero_area .card-stat-val       { font-size: 1.35rem; font-weight: 800; color: var(--text-dark); line-height: 1.2; }
.hero_area .card-stat-val.green { color: #22863a; }
.hero_area .card-stat-val.red   { color: #e53e3e; }
.hero_area .card-stat-key       { font-size: 11px; color: #c0bcd8; margin-top: 2px; }

/* Warn Box */
.hero_area .warn-box {
    border-radius: var(--radius-sm);
    padding: 13px 18px;
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 13.5px;
    font-weight: 600;
    border: 1px solid transparent;
    transition: color 0.7s, background 0.7s, border-color 0.7s;
}
.hero_area .warn-box i { font-size: 18px; flex-shrink: 0; }

/* ==========================================
   About Section
========================================== */
.about_us_area {
    padding: 56px 0;
    background: var(--white);
}
.about_image        { 
    text-align: center;
}
.about_image_mobile { display: none; }

/* ==========================================
   Courier Brands Section
========================================== */
.cs {
    text-align: center;
}
.cs_part {
    text-align: center;
    border: 1px solid #eee;
    border-radius: 16px;
    padding: 72px 0;
    background: var(--bg-slate);
}
.cs > .container { position: relative; z-index: 1; }

.live-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    border: 1px solid #c8dfe8;
    padding: 7px 20px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 1.4rem;
}
.live-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--primary);
    display: inline-block;
    animation: livepulse 1.6s ease-in-out infinite;
}
@keyframes livepulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: .4; transform: scale(1.35); }
}

.cs-title {
    font-size: clamp(1.8rem, 3.2vw, 2.5rem);
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: .9rem;
}
.cs-accent { color: var(--primary); }

.cs-desc {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 520px;
    margin: 0 auto 2.5rem;
}

.logo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: 960px;
    margin: 0 auto;
}
.logo-card {
    background: var(--white);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
    cursor: pointer;
    transition: transform 0.22s, border-color 0.22s, box-shadow 0.22s;
}
.logo-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 32px rgba(240,83,45,0.13);
}
.logo-card img { max-height: 38px; width: auto; object-fit: contain; }

/* ==========================================
   Steps Section
========================================== */
.steps {
    background: var(--white);
    padding: 72px 0;
    text-align: center;
}
.steps_part {
    border: 1px solid #eee;
    border-radius: 16px;
    padding: 72px 0;
    background: var(--bg-slate);
}
.easy-badge {
    display: inline-flex;
    align-items: center;
    background: #e6f4f8;
    border: 1px solid #b8d9e5;
    padding: 7px 20px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 1.4rem;
}

.steps-title {
    font-size: clamp(1.9rem, 3.5vw, 2.6rem);
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: .9rem;
}
.steps-title .st-acc { color: var(--primary); }

.steps-desc {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.75;
    max-width: 500px;
    margin: 0 auto 3.5rem;
}

.steps-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: start;
    max-width: 860px;
    margin: 0 auto 3.5rem;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 16px;
}
.icon-wrap { position: relative; margin-bottom: 1.6rem; }

.icon-box {
    width: 80px; height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s, box-shadow 0.3s;
}
.icon-box:hover { transform: translateY(-6px) scale(1.05); box-shadow: 0 16px 40px rgba(0,0,0,0.12); }
.icon-box i { font-size: 34px; color: var(--white); }

.step-num {
    position: absolute;
    top: -8px; right: -8px;
    width: 24px; height: 24px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid #c8dfe8;
    font-size: 12px;
    font-weight: 800;
    color: var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}
.step-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: .6rem;
}
.step-desc {
    font-size: 14.5px;
    color: var(--text-muted);
    line-height: 1.65;
    max-width: 200px;
    text-align: center;
}

.arrow-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 28px;
    color: #c8dfe8;
}
.arrow-wrap i { font-size: 22px; }

.steps-cta { }

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--primary);
    color: var(--white);
    padding: 16px 38px;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 700;
    transition: background 0.2s, transform 0.15s;
    margin-bottom: 1rem;
    box-shadow: 0 4px 16px rgba(240,83,45,0.3);
}
.btn-cta:hover { background: var(--secondary); color: var(--white); transform: translateY(-2px); }
.btn-cta i { font-size: 17px; }

.cta-note {
    font-size: 13px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.cta-note i { font-size: 14px; }

/* ==========================================
   App Download Section
========================================== */
.app_section {
    padding: 0px 0px 56px;
    background: var(--secondary);
}
.app_section .app_image { text-align: center; }
.app_section .app_image a { display: inline-block; }

/* ==========================================
   Footer
========================================== */
.footer_bottom {
    padding: 15px 0;
    background: var(--navy-dark);
    border-top: 1px solid var(--border-navy);
}
.footer_copyright p         { font-size: 14px; color: #6a9ab0; }
.footer_social_media        { text-align: right; }
.footer_social_media ul     { display: flex; justify-content: flex-end; gap: 12px; margin-bottom: 0;}
.footer_social_media_link   { font-size: 14px; color: #6a9ab0; font-weight: 500; }
.footer_social_media_link:hover { color: var(--primary); }
.footer_social_media li {
  font-size: 14px;
  color: #6a9ab0;
}

/* ==========================================
   Responsive — Tablet 991px
========================================== */
@media screen and (max-width: 1200px) {
  .cs_part {
    border: none;
    border-radius: 0;
    padding: 0;
    background: #fff;
  }
}

@media screen and (max-width: 991.98px) {
    .footer_copyright       { text-align: center; margin-bottom: 6px; }
    .footer_social_media    { text-align: center; }
    .footer_social_media ul { justify-content: center; padding-left: 0;}
}

/* ==========================================
   Responsive — Tablet 820px
========================================== */
@media screen and (max-width: 820px) {
    .hero_area .hero {
        grid-template-columns: 1fr;
        padding: 56px 0 48px;
        gap: 2.5rem;
        min-height: unset;
    }
    .hero_area .hero-title { font-size: clamp(1.8rem, 5vw, 2.2rem); }
    .hero_area .hero-desc  { max-width: 100%; }
    .logo-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ==========================================
   Responsive — Mobile 767px
========================================== */
@media screen and (max-width: 767.98px) {
    .header_height          { height: 60px; }
    .header_auth_link       { font-size: 13px; padding: 7px 14px; }
    .header_auth__child     { gap: 8px; }
    .about_image            { display: none; }
    .about_image_mobile     { display: block; }
    .about_us_area          { padding: 36px 0; }
    .steps                  { padding: 48px 0; }
    .app_section            { padding: 0px 0px 15px; }
    .steps-desc             { margin-bottom: 1.5rem; }
    .footer_copyright p {
        font-size: 11px;
        text-transform: uppercase;
    }
    .footer_social_media li {
        font-size: 11px;
        text-transform: uppercase;
    }
    .footer_social_media_link {
        font-size: 11px;
        text-transform: uppercase;
    }
}

/* ==========================================
   Responsive — Mobile 720px (Steps)
========================================== */
@media screen and (max-width: 720px) {
    .steps-row {
        grid-template-columns: 1fr;
        gap: 0;
        margin-bottom: 2.5rem;
    }
    .step { padding: 15px; }
    .arrow-wrap {
        transform: rotate(90deg);
        padding: 4px 0;
        height: 32px;
    }
    .step-desc { max-width: 280px; }
    .icon-wrap {
        margin-bottom: 1rem;
    }
    .step-title {
    margin-bottom: 5px;
}
.header_area {
    padding: 10px 0;
}
}

/* ==========================================
   Responsive — Mobile 575px
========================================== */
@media screen and (max-width: 575.98px) {
    .hero_area .hero        { padding: 48px 0 40px; gap: 2rem; }
    .hero_area .hero-title  { font-size: 1.75rem; }
    .hero_area .stats       { gap: 1.2rem; }
    .hero_area .btn-group   { flex-direction: column; align-items: stretch; }
    .hero_area .btn-primary,
    .hero_area .btn-outline { justify-content: center; text-align: center; width: 100%; }
    .hero_area .risk-card   { padding: 16px 18px; }
    .hero_area .risk-pct-num { font-size: 1.7rem; }
    .hero_area .card-stat-val { font-size: 1.1rem; }
    .logo-grid              { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .cs-title, .steps-title { font-size: 1.6rem; }
    .steps                  { padding: 40px 0; }
    .btn-cta                { padding: 14px 28px; font-size: 15px; width: 100%; justify-content: center; }
    .icon-box               { width: 68px; height: 68px; border-radius: 16px; }
    .icon-box i             { font-size: 28px; }
    .cs-desc {
      max-width: 100%;
      margin: 0 auto 1.5rem;
    }
    .steps_part {
      padding: 40px 12px;
    }
    .header_join_btn {
        padding: 8px 20px;
        font-size: 14px;
        font-weight: 600;
    }
}

/* ==========================================
   Responsive — Small Mobile 400px
========================================== */
@media screen and (max-width: 400px) {
    .hero_area .hero-title  { font-size: 1.55rem; line-height: 1.3; }
    .hero_area .hero-desc   { font-size: 14px; }
    .hero_area .badge       { font-size: 12px; padding: 6px 14px; }
    .hero_area .stat-num    { font-size: 0.95rem; }
    .hero_area .stat-lbl    { font-size: 11px; }
    .logo-grid              { gap: 10px; }
    .logo-card              { min-height: 80px; padding: 16px 10px; }
    .logo-card img          { max-height: 30px; }
}