/* ========================================
   BONDHU MART — Landing Page Styles
   ======================================== */

/* ---------- CSS Variables ---------- */
:root {
  /* Brand Colors */
  --color-primary: #16a34a;
  --color-primary-dark: #15803d;
  --color-primary-light: #bbf7d0;
  --color-primary-glow: rgba(22, 163, 74, 0.18);

  /* Neutrals */
  --color-bg: #fafbfc;
  --color-surface: #ffffff;
  --color-surface-alt: #f1f5f2;
  --color-border: #e2e8f0;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;

  /* Accent */
  --color-accent: #f59e0b;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.07);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.10);
  --shadow-glow: 0 0 40px var(--color-primary-glow);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;

  /* Typography */
  --font-body: 'Poppins', sans-serif;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* Spacing scale */
  --space-xs: .5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;

  /* Layout */
  --max-width: 1140px;
  --nav-height: 68px;

  /* Transitions */
  --ease-out: cubic-bezier(.22,1,.36,1);
  --transition-fast: .2s var(--ease-out);
  --transition-base: .35s var(--ease-out);
  --transition-slow: .6s var(--ease-out);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--nav-height) + 16px)}
body{font-family:var(--font-body);font-size:1rem;line-height:1.65;color:var(--color-text);background:var(--color-bg);overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}

/* ---------- Utility ---------- */
.container{width:90%;max-width:var(--max-width);margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.section-pad{padding:var(--space-2xl) 0}

/* ---------- Reveal Animation ---------- */
.reveal{opacity:0;transform:translateY(32px);transition:opacity var(--transition-slow),transform var(--transition-slow)}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ========================================
   NAVBAR
   ======================================== */
.navbar{position:fixed;top:0;left:0;width:100%;height:var(--nav-height);z-index:1000;display:flex;align-items:center;transition:background var(--transition-base),box-shadow var(--transition-base)}
.navbar.scrolled{background:rgba(255,255,255,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow-sm)}
.navbar .container{display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-size:1.35rem;font-weight:var(--fw-bold);color:var(--color-primary);display:flex;align-items:center;gap:.45rem}
.nav-logo svg{width:28px;height:28px}
.nav-links{display:flex;align-items:center;gap:var(--space-md)}
.nav-links a{font-size:.9rem;font-weight:var(--fw-medium);color:var(--color-text-secondary);transition:color var(--transition-fast)}
.nav-links a:hover{color:var(--color-primary)}
.nav-cta{display:inline-flex;align-items:center;gap:.4rem;padding:.55rem 1.25rem;background:var(--color-primary);color:#fff!important;font-weight:var(--fw-semibold);font-size:.88rem;border-radius:var(--radius-full);transition:background var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast)}
.nav-cta:hover{background:var(--color-primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-glow)}
.nav-cta svg{width:18px;height:18px}

/* Mobile hamburger */
.nav-toggle{display:none;flex-direction:column;gap:5px;width:28px;padding:4px 0}
.nav-toggle span{display:block;height:2.5px;width:100%;background:var(--color-text);border-radius:4px;transition:var(--transition-fast)}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

@media(max-width:768px){
  .nav-toggle{display:flex}
  .nav-links{position:fixed;top:var(--nav-height);right:0;width:260px;height:calc(100dvh - var(--nav-height));flex-direction:column;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);padding:var(--space-lg) var(--space-md);gap:var(--space-md);transform:translateX(100%);transition:transform var(--transition-base);box-shadow:-4px 0 24px rgba(0,0,0,.06)}
  .nav-links.open{transform:translateX(0)}
  .nav-links a{font-size:1.05rem}
}

/* ========================================
   HERO
   ======================================== */
.hero{position:relative;min-height:calc(100dvh - var(--nav-height));padding-top:calc(var(--nav-height) + var(--space-xl));padding-bottom:var(--space-xl);display:flex;align-items:center;overflow:hidden;background:linear-gradient(170deg,#f0fdf4 0%,var(--color-bg) 55%)}
.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-xl);align-items:center}
.hero-content{max-width:540px}
.hero-badge{display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .85rem;background:var(--color-primary-light);color:var(--color-primary-dark);font-size:.78rem;font-weight:var(--fw-semibold);border-radius:var(--radius-full);margin-bottom:var(--space-md)}
.hero-badge svg{width:14px;height:14px}
.hero h1{font-size:clamp(2rem,5vw,3.15rem);font-weight:var(--fw-bold);line-height:1.18;margin-bottom:var(--space-sm);color:var(--color-text)}
.hero h1 .highlight{color:var(--color-primary);position:relative}
.hero-sub{font-size:1.08rem;color:var(--color-text-secondary);margin-bottom:var(--space-lg);max-width:440px;line-height:1.7}
.hero-cta-group{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-sm)}
.btn-play{display:inline-flex;align-items:center;gap:.55rem;padding:.85rem 1.65rem;background:var(--color-text);color:#fff;font-size:.95rem;font-weight:var(--fw-semibold);border-radius:var(--radius-md);transition:background var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast)}
.btn-play:hover{background:#0f172a;transform:translateY(-2px);box-shadow:0 6px 24px rgba(0,0,0,.18)}
.btn-play svg{width:22px;height:22px}
.hero-trust{display:flex;align-items:center;gap:var(--space-sm);margin-top:var(--space-lg);flex-wrap:wrap}
.hero-trust-item{display:flex;align-items:center;gap:.35rem;font-size:.82rem;color:var(--color-text-secondary);font-weight:var(--fw-medium)}
.hero-trust-item svg{width:16px;height:16px;color:var(--color-primary)}

/* Hero phone */
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center}
.hero-phone{width:280px;height:560px;background:var(--color-text);border-radius:36px;position:relative;box-shadow:var(--shadow-lg),0 0 60px var(--color-primary-glow);overflow:hidden;animation:float 6s ease-in-out infinite}
.hero-phone-screen{position:absolute;inset:8px;border-radius:28px;background:linear-gradient(145deg,#dcfce7,#f0fdf4);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.6rem;padding:1.5rem}
.hero-phone-screen .phone-logo{font-size:1.4rem;font-weight:var(--fw-bold);color:var(--color-primary)}
.hero-phone-screen .phone-tagline{font-size:.7rem;color:var(--color-text-secondary);text-align:center}
.phone-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;width:100%;margin-top:.8rem}
.phone-card{background:#fff;border-radius:12px;padding:.65rem;text-align:center;font-size:.6rem;color:var(--color-text-secondary);box-shadow:var(--shadow-sm)}
.phone-card-icon{font-size:1.4rem;margin-bottom:.25rem}

/* Floating blobs */
.hero-blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.35;pointer-events:none}
.hero-blob-1{width:320px;height:320px;background:var(--color-primary-light);top:-60px;right:-80px}
.hero-blob-2{width:240px;height:240px;background:#fef9c3;bottom:40px;left:-60px}

@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}

@media(max-width:900px){
  .hero .container{grid-template-columns:1fr;text-align:center;justify-items:center}
  .hero-content{display:flex;flex-direction:column;align-items:center}
  .hero-sub{max-width:100%}
  .hero-cta-group{justify-content:center}
  .hero-trust{justify-content:center}
  .hero-phone{width:220px;height:440px}
}

/* ========================================
   FEATURES
   ======================================== */
.features{background:var(--color-surface);padding-bottom:2rem}
.section-header{text-align:center;margin-bottom:var(--space-xl)}
.section-label{display:inline-flex;align-items:center;gap:.3rem;font-size:.78rem;font-weight:var(--fw-semibold);color:var(--color-primary);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.6rem}
.section-title{font-size:clamp(1.6rem,3.5vw,2.25rem);font-weight:var(--fw-bold);line-height:1.25;margin-bottom:.6rem}
.section-desc{color:var(--color-text-secondary);max-width:520px;margin-inline:auto;font-size:.98rem}

.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-md)}
.feature-card{background:var(--color-bg);border-radius:var(--radius-lg);padding:var(--space-lg) var(--space-md);text-align:center;transition:transform var(--transition-base),box-shadow var(--transition-base);border:1px solid var(--color-border)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.feature-icon{width:56px;height:56px;margin:0 auto var(--space-sm);background:var(--color-primary-light);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--color-primary)}
.feature-icon svg{width:26px;height:26px}
.feature-card h3{font-size:1.05rem;font-weight:var(--fw-semibold);margin-bottom:.4rem}
.feature-card p{font-size:.88rem;color:var(--color-text-secondary);line-height:1.6}

@media(max-width:900px){.features-grid{grid-template-columns:1fr 1fr}}
@media(max-width:540px){.features-grid{grid-template-columns:1fr}}

/* ========================================
   APP PREVIEW
   ======================================== */
.app-preview{background:linear-gradient(170deg,#f0fdf4 0%,var(--color-bg) 100%);overflow:hidden}
.app-preview .container{display:flex;flex-direction:column;align-items:center}
.preview-carousel{display:flex;gap:var(--space-md);overflow-x:auto;scroll-snap-type:x mandatory;padding:var(--space-md) 0;-ms-overflow-style:none;scrollbar-width:none;width:100%;max-width:900px}
.preview-carousel::-webkit-scrollbar{display:none}
.preview-slide{flex:0 0 220px;scroll-snap-align:center;background:var(--color-text);border-radius:28px;overflow:hidden;box-shadow:var(--shadow-lg);transition:transform var(--transition-base)}
.preview-slide:hover{transform:scale(1.04)}
.preview-slide-inner{margin:6px;border-radius:22px;height:400px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.4rem;padding:1rem}
.preview-slide:nth-child(1) .preview-slide-inner{background:linear-gradient(145deg,#dcfce7,#bbf7d0)}
.preview-slide:nth-child(2) .preview-slide-inner{background:linear-gradient(145deg,#fef9c3,#fde68a)}
.preview-slide:nth-child(3) .preview-slide-inner{background:linear-gradient(145deg,#e0f2fe,#bae6fd)}
.preview-slide:nth-child(4) .preview-slide-inner{background:linear-gradient(145deg,#fce7f3,#fbcfe8)}
.preview-slide-icon{font-size:2.2rem}
.preview-slide-title{font-size:.85rem;font-weight:var(--fw-semibold);color:var(--color-text)}
.preview-slide-desc{font-size:.7rem;color:var(--color-text-secondary);text-align:center;padding:0 .6rem}

.preview-dots{display:flex;gap:8px;margin-top:var(--space-md)}
.preview-dot{width:10px;height:10px;border-radius:50%;background:var(--color-border);transition:background var(--transition-fast)}
.preview-dot.active{background:var(--color-primary);width:28px;border-radius:var(--radius-full)}

/* ========================================
   WHY CHOOSE US
   ======================================== */
.why-us{background:var(--color-surface);padding-top:2rem}
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-xl);align-items:center}
.why-visual{position:relative;display:flex;justify-content:center}
.why-illustration{width:320px;height:320px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary-light),#e0f2fe);display:flex;align-items:center;justify-content:center;font-size:6rem;box-shadow:var(--shadow-glow)}
.why-list{display:flex;flex-direction:column;gap:var(--space-md)}
.why-item{display:flex;gap:var(--space-sm);align-items:flex-start}
.why-item-icon{flex-shrink:0;width:44px;height:44px;border-radius:var(--radius-sm);background:var(--color-primary-light);display:flex;align-items:center;justify-content:center;color:var(--color-primary)}
.why-item-icon svg{width:22px;height:22px}
.why-item h3{font-size:1rem;font-weight:var(--fw-semibold);margin-bottom:.2rem}
.why-item p{font-size:.88rem;color:var(--color-text-secondary);line-height:1.6}

@media(max-width:768px){
  .why-grid{grid-template-columns:1fr;text-align:center}
  .why-visual{order:-1}
  .why-illustration{width:220px;height:220px;font-size:4rem}
  .why-item{flex-direction:column;align-items:center}
}

/* ========================================
   SERVICE AREA
   ======================================== */
.service-area{background:linear-gradient(170deg,#f0fdf4,var(--color-bg))}
.area-content{display:flex;flex-direction:column;align-items:center;text-align:center}
.area-map{width:100%;max-width:560px;height:260px;border-radius:var(--radius-lg);background:linear-gradient(135deg,#dcfce7 0%,#e0f2fe 100%);margin-bottom:var(--space-lg);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;border:1px solid var(--color-border)}
.area-map-pin{font-size:3rem;animation:bounce 2s infinite}
.area-map-label{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);background:var(--color-surface);padding:.4rem .9rem;border-radius:var(--radius-full);font-size:.82rem;font-weight:var(--fw-semibold);color:var(--color-primary);box-shadow:var(--shadow-sm)}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.area-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:.6rem;margin-top:var(--space-sm)}
.area-tag{padding:.4rem .9rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-full);font-size:.82rem;font-weight:var(--fw-medium);color:var(--color-text-secondary)}

/* ========================================
   FAQ
   ======================================== */
.faq{background:var(--color-surface)}
.faq-list{max-width:720px;margin-inline:auto;display:flex;flex-direction:column;gap:var(--space-sm)}
.faq-item{border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;transition:box-shadow var(--transition-fast)}
.faq-item.open{box-shadow:var(--shadow-sm)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:var(--space-sm) var(--space-md);font-size:.95rem;font-weight:var(--fw-semibold);color:var(--color-text);background:transparent;text-align:left}
.faq-question:focus-visible{outline:2px solid var(--color-primary);outline-offset:-2px}
.faq-icon{width:24px;height:24px;color:var(--color-primary);transition:transform var(--transition-base);flex-shrink:0}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height var(--transition-base),padding var(--transition-base)}
.faq-answer-inner{padding:0 var(--space-md) var(--space-sm);font-size:.9rem;color:var(--color-text-secondary);line-height:1.7}

/* ========================================
   DOWNLOAD CTA
   ======================================== */
.download-cta{background:linear-gradient(135deg,var(--color-text) 0%,#334155 100%);color:#fff;text-align:center;padding:var(--space-2xl) 0}
.download-cta .section-title{color:#fff}
.download-cta .section-desc{color:#cbd5e1}
.download-cta .btn-play{background:var(--color-primary);margin-top:var(--space-md)}
.download-cta .btn-play:hover{background:var(--color-primary-dark);box-shadow:var(--shadow-glow)}
.cta-trust{display:flex;justify-content:center;gap:var(--space-md);margin-top:var(--space-lg);flex-wrap:wrap}
.cta-trust span{font-size:.82rem;color:#94a3b8;display:flex;align-items:center;gap:.3rem}
.cta-trust svg{width:16px;height:16px;color:var(--color-primary)}

/* ========================================
   FOOTER
   ======================================== */
.footer{background:var(--color-text);color:#cbd5e1;padding:var(--space-xl) 0 var(--space-md)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:var(--space-lg);margin-bottom:var(--space-xl)}
.footer-brand .nav-logo{color:var(--color-primary-light);margin-bottom:var(--space-sm);font-size:1.25rem}
.footer-brand p{font-size:.88rem;line-height:1.7;max-width:300px;color:#94a3b8}
.footer h4{font-size:.9rem;font-weight:var(--fw-semibold);color:#e2e8f0;margin-bottom:var(--space-sm)}
.footer a{font-size:.88rem;color:#94a3b8;transition:color var(--transition-fast);display:block;margin-bottom:.5rem}
.footer a:hover{color:var(--color-primary-light)}
.footer-contact-item{display:flex;align-items:flex-start;gap:.45rem;margin-bottom:.6rem;font-size:.88rem;color:#94a3b8}
.footer-contact-item svg{width:16px;height:16px;flex-shrink:0;margin-top:3px;color:var(--color-primary)}
.footer-social{display:flex;gap:.7rem;margin-top:var(--space-sm)}
.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;transition:background var(--transition-fast)}
.footer-social a:hover{background:var(--color-primary)}
.footer-social svg{width:18px;height:18px;color:#e2e8f0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:var(--space-md);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--space-sm)}
.footer-bottom p{font-size:.8rem;color:#64748b}
.footer-bottom-links{display:flex;gap:var(--space-md)}
.footer-bottom-links a{font-size:.8rem;color:#64748b;margin:0}
.footer-bottom-links a:hover{color:#cbd5e1}

@media(max-width:992px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--space-lg)}
}
@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* ========================================
   MOBILE STICKY CTA
   ======================================== */
.mobile-cta{display:none;position:fixed;bottom:0;left:0;width:100%;padding:.75rem 1rem;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--color-border);z-index:999;text-align:center}
.mobile-cta .btn-play{width:100%;justify-content:center;font-size:1rem;padding:.9rem}
@media(max-width:768px){
  .mobile-cta.show{display:block}
  body{padding-bottom:72px}
}

/* ========================================
   SERVICE COVERAGE GRID
   ======================================== */
.coverage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  width: 100%;
  margin-top: var(--space-lg);
}
.coverage-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-sm);
}
.coverage-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}
.coverage-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}
.coverage-card:hover .coverage-icon {
  transform: scale(1.1) rotate(8deg);
}
.coverage-icon svg {
  width: 16px;
  height: 16px;
}
.coverage-name {
  font-size: .92rem;
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  text-align: left;
}

@media(max-width:992px){
  .coverage-grid{grid-template-columns:repeat(3, 1fr)}
}
@media(max-width:768px){
  .coverage-grid{grid-template-columns:repeat(2, 1fr)}
}
@media(max-width:480px){
  .coverage-grid{grid-template-columns:1fr}
}


/* ========================================
   FOOTER DEVELOPER CONNECT
   ======================================== */
.footer-developer-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: .5rem;
  margin-top: .5rem;
}
.footer-dev-header {
  display: flex;
  align-items: center;
  gap: .4rem;
}
.footer-dev-logo {
  width: 18px;
  height: 18px;
  color: var(--color-primary-light);
  flex-shrink: 0;
}
.footer-dev-subtitle {
  font-size: .84rem;
  font-weight: var(--fw-semibold);
  color: #f1f5f9;
  line-height: 1.3;
}
.footer-dev-text {
  font-size: .78rem !important;
  line-height: 1.45 !important;
  color: #94a3b8;
  margin: 0 !important;
}
.footer-dev-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  padding: .45rem .85rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: #e2e8f0 !important;
  font-size: .78rem !important;
  font-weight: var(--fw-medium);
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  margin-top: .25rem;
  align-self: flex-start;
}
.footer-dev-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff !important;
  transform: translateY(-1px);
}
.footer-dev-btn svg {
  width: 12px;
  height: 12px;
}


/* ---------- Reduced motion ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
}