/* 333bd Design System - Emerald Trust Bangladesh UI */
:root {
  --color-primary: #10b981;
  --color-primary-dark: #059669;
  --color-primary-soft: #d1fae5;
  --color-secondary: #1e40af;
  --color-accent: #f59e0b;
  --color-bg: #0f172a;
  --color-bg-soft: #1e293b;
  --color-surface: #1e293b;
  --color-surface-strong: #334155;
  --color-card: #1e293b;
  --color-card-alt: #0f172a;
  --color-border: #334155;
  --color-border-strong: #475569;
  --color-text: #f1f5f9;
  --color-text-soft: #cbd5e1;
  --color-text-muted: #94a3b8;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-footer-bg: #020617;
  --color-footer-text: #94a3b8;
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  --gradient-button: linear-gradient(135deg, #10b981, #059669);
  --gradient-button-hover: linear-gradient(135deg, #059669, #047857);
  --gradient-cta: linear-gradient(135deg, #1e293b, #334155);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-card-hover: 0 8px 32px rgba(16,185,129,0.15);
  --shadow-header: 0 2px 12px rgba(0,0,0,0.4);
  --shadow-button: 0 2px 8px rgba(16,185,129,0.3);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 50px;
  --radius-card: 12px;
  --font-base: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
  --font-heading: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
  --fs-h1: clamp(1.75rem, 4vw, 2.75rem);
  --fs-h2: clamp(1.35rem, 3vw, 2rem);
  --fs-h3: clamp(1.1rem, 2.5vw, 1.5rem);
  --fs-body: clamp(0.95rem, 1.8vw, 1.05rem);
  --fs-small: 0.875rem;
  --fs-nav: clamp(13px, 0.84vw, 15px);
  --lh-heading: 1.3;
  --lh-body: 1.75;
  --container-max: 1200px;
  --container-narrow: 800px;
  --section-y: clamp(2.5rem, 5vw, 4rem);
  --gap-sm: 0.75rem;
  --gap-md: 1.25rem;
  --gap-lg: 2rem;
  --header-h: 64px;
  --mobile-header-h: 56px;
  --motion-fast: 0.15s;
  --motion-normal: 0.3s;
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-base); font-size: var(--fs-body); line-height: var(--lh-body); color: var(--color-text); background: var(--color-bg); -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; line-height: var(--lh-heading); color: var(--color-text); }
h1 { font-size: var(--fs-h1); margin-bottom: 1rem; }
h2 { font-size: var(--fs-h2); margin-bottom: 0.75rem; }
h3 { font-size: var(--fs-h3); margin-bottom: 0.5rem; }
p { margin-bottom: 1rem; color: var(--color-text-soft); }
a { color: var(--color-primary); text-decoration: none; transition: color var(--motion-fast); }
a:hover { color: var(--color-accent); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* Container */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 clamp(1rem, 3vw, 2rem); }
.narrow-content { max-width: var(--container-narrow); }
.text-center { text-align: center; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 1000; background: var(--color-bg-soft); box-shadow: var(--shadow-header); height: var(--header-h); }
.header-inner { width: 100%; max-width: none; height: 100%; padding: 0 clamp(10px, 1.2vw, 20px); display: flex; align-items: center; gap: clamp(10px, 1vw, 18px); }
.brand-wrap { flex: 0 0 auto; margin-right: clamp(4px, 0.8vw, 14px); }
.site-logo { display: block; width: auto; height: clamp(32px, 3vw, 42px); max-width: clamp(118px, 10vw, 168px); object-fit: contain; }
.primary-nav { flex: 1 1 auto; display: flex; align-items: center; justify-content: center; flex-wrap: nowrap; gap: clamp(6px, 0.72vw, 14px); white-space: nowrap; overflow: visible; }
.primary-nav .nav-link { flex: 0 1 auto; padding: 9px clamp(6px, 0.65vw, 12px); font-size: var(--fs-nav); line-height: 1; white-space: nowrap; color: var(--color-text-soft); border-radius: var(--radius-sm); transition: color var(--motion-fast), background var(--motion-fast); text-decoration: none; }
.primary-nav .nav-link:hover, .primary-nav .nav-link.active { color: var(--color-primary); background: rgba(16,185,129,0.1); }
.header-actions { flex: 0 0 auto; margin-left: auto; display: flex; align-items: center; gap: clamp(6px, 0.6vw, 10px); }
.nav-toggle { display: none; flex-direction: column; justify-content: center; align-items: center; width: 40px; height: 40px; background: none; border: 1px solid var(--color-border); border-radius: var(--radius-sm); cursor: pointer; gap: 5px; padding: 8px; }
.hamburger-line { display: block; width: 20px; height: 2px; background: var(--color-text); border-radius: 2px; transition: transform var(--motion-normal); }
.mobile-menu { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; background: var(--color-bg-soft); border-top: 1px solid var(--color-border); box-shadow: 0 8px 24px rgba(0,0,0,0.4); z-index: 999; }
.mobile-menu.is-open { display: block; }
.mobile-nav { display: flex; flex-direction: column; padding: 1rem; }
.mobile-nav .nav-link { padding: 12px 16px; font-size: 1rem; color: var(--color-text-soft); border-bottom: 1px solid var(--color-border); text-decoration: none; }
.mobile-nav .nav-link:hover { color: var(--color-primary); }

@media (max-width: 1180px) {
  .primary-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-inner { padding: 0 clamp(8px, 2.4vw, 14px); gap: clamp(6px, 1.8vw, 10px); justify-content: flex-start; }
  .brand-wrap { margin-right: 0; }
  .header-actions { margin-left: auto; }
}
@media (max-width: 375px) {
  .header-inner { padding: 0 8px; gap: 6px; }
  .site-logo { max-width: 104px; }
  .nav-toggle { width: 38px; height: 38px; }
}

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 24px; font-family: var(--font-base); font-size: var(--fs-body); font-weight: 600; border: none; border-radius: var(--radius-md); cursor: pointer; transition: all var(--motion-normal) var(--ease-out); text-decoration: none; white-space: nowrap; }
.btn-primary { background: var(--gradient-button); color: #fff; box-shadow: var(--shadow-button); }
.btn-primary:hover { background: var(--gradient-button-hover); transform: translateY(-2px); box-shadow: 0 4px 16px rgba(16,185,129,0.4); color: #fff; }
.btn-outline { background: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-sm { padding: 8px 16px; font-size: var(--fs-small); }
.btn-full { width: 100%; }

/* Sections */
section { padding: var(--section-y) 0; }
section:nth-child(even) { background: var(--color-bg-soft); }

/* Hero */
.hero-section { padding: clamp(2rem, 4vw, 3.5rem) 0; background: var(--gradient-hero); }
.hero-container { max-width: 1440px; }
.hero-split { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(360px, 0.88fr); gap: clamp(1.5rem, 3vw, 3rem); align-items: center; min-height: 500px; padding: clamp(1.5rem, 3vw, 3rem); background: #1e293b; border: 1px solid rgba(16,185,129,0.18); border-radius: var(--radius-xl); box-shadow: var(--shadow-card); }
.hero-content { display: flex; flex-direction: column; justify-content: center; padding: 0; }
.hero-heading { font-size: var(--fs-h1); margin-bottom: 1.25rem; }
.hero-text { color: var(--color-text-soft); margin-bottom: 1rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.hero-badges { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.hero-visual { display: flex; align-items: center; justify-content: center; overflow: hidden; background: transparent; }
.hero-img { border-radius: var(--radius-lg); object-fit: cover; width: 100%; max-height: 430px; border: 1px solid rgba(16,185,129,0.2); box-shadow: 0 18px 48px rgba(0,0,0,0.32); }
@media (max-width: 768px) {
  .hero-split { grid-template-columns: 1fr; }
  .hero-section { padding: 1rem 0 2rem; }
  .hero-split { min-height: 0; padding: 1.25rem; border-radius: var(--radius-lg); }
  .hero-visual { max-height: 250px; }
}

/* Badge tags */
.badge-tag { display: inline-block; padding: 4px 12px; background: rgba(16,185,129,0.15); color: var(--color-primary); border-radius: var(--radius-pill); font-size: var(--fs-small); font-weight: 600; }

/* Card grids */
.card-grid { display: grid; gap: var(--gap-lg); }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 768px) { .card-grid-2, .card-grid-3 { grid-template-columns: 1fr; } }

/* Info cards */
.info-card, .promo-card, .tier-card, .review-card, .sport-item, .tool-item, .value-item { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: clamp(1.25rem, 3vw, 2rem); transition: transform var(--motion-normal), box-shadow var(--motion-normal); }
.info-card:hover, .promo-card:hover, .tier-card:hover, .review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.tier-featured { border-color: var(--color-primary); position: relative; }
.tier-badge { position: absolute; top: -10px; right: 16px; background: var(--color-primary); color: #fff; padding: 2px 12px; border-radius: var(--radius-pill); font-size: var(--fs-small); font-weight: 700; }
.vip-featured { border-color: var(--color-accent); }
.vip-featured .tier-badge, .vip-card.vip-featured .tier-badge { background: var(--color-accent); }

/* Steps */
.steps-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-lg); }
.step-card { background: var(--color-card); border-radius: var(--radius-card); padding: 2rem; text-align: center; border: 1px solid var(--color-border); }
.step-icon { font-size: 2.5rem; margin-bottom: 1rem; }
@media (max-width: 768px) { .steps-row { grid-template-columns: 1fr; } }

/* Nav strip */
.nav-strip { display: flex; gap: 0.75rem; overflow-x: auto; padding: 0.5rem 0; }
.strip-link { flex-shrink: 0; padding: 8px 16px; background: var(--color-surface-strong); color: var(--color-text-soft); border-radius: var(--radius-pill); font-size: var(--fs-small); white-space: nowrap; transition: all var(--motion-fast); text-decoration: none; }
.strip-link:hover { background: var(--color-primary); color: #fff; }

/* Content figures */
.content-figure { margin: 1.5rem 0; border-radius: var(--radius-lg); overflow: hidden; }
.content-figure img { width: 100%; border-radius: var(--radius-lg); }

/* Text-image split */
.text-img-split { display: grid; grid-template-columns: 1.5fr 1fr; gap: var(--gap-lg); align-items: center; }
.side-figure { border-radius: var(--radius-lg); overflow: hidden; }
.side-figure img { border-radius: var(--radius-lg); width: 100%; }
@media (max-width: 768px) { .text-img-split { grid-template-columns: 1fr; } }

/* Tables */
.table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--color-border); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--color-border); }
th { background: var(--color-surface-strong); color: var(--color-text); font-weight: 600; }
td { color: var(--color-text-soft); }
tr:hover td { background: rgba(16,185,129,0.05); }

/* Leaderboard */
.leader-split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap-lg); align-items: center; }
.jackpot-promo { text-align: center; padding: 2rem; background: var(--gradient-cta); border-radius: var(--radius-lg); }
.jackpot-amount { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; color: var(--color-accent); margin: 1rem 0; }
@media (max-width: 768px) { .leader-split { grid-template-columns: 1fr; } }

/* Feature grid */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--gap-lg); }
.feature-item { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 1.5rem; text-align: center; transition: transform var(--motion-normal); }
.feature-item:hover { transform: translateY(-3px); }

/* Accordion */
.accordion-list { display: flex; flex-direction: column; gap: 0.5rem; }
.accordion-item { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.accordion-item summary { padding: 16px 20px; font-weight: 600; color: var(--color-text); cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.accordion-item summary::-webkit-details-marker { display: none; }
.accordion-item summary::after { content: '+'; font-size: 1.25rem; color: var(--color-primary); transition: transform var(--motion-normal); }
.accordion-item[open] summary::after { content: '−'; }
.accordion-body { padding: 0 20px 16px; color: var(--color-text-soft); }

/* Timeline */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--color-primary); }
.timeline-item { position: relative; margin-bottom: 2rem; padding-left: 1.5rem; }
.timeline-item::before { content: ''; position: absolute; left: -2rem; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--color-primary); border: 2px solid var(--color-bg); }

/* Support cards */
.support-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-lg); }
.support-item { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 1.5rem; }
@media (max-width: 768px) { .support-cards { grid-template-columns: 1fr; } }

/* Map */
.map-embed { border-radius: var(--radius-lg); overflow: hidden; }

/* CTA sections */
.home-cta-final, .jackpot-cta, .review-conclusion, .sports-cta, .vip-cta { background: var(--color-bg-soft) !important; padding: clamp(3rem, 6vw, 5rem) 0; }
.home-cta-final .container, .jackpot-cta .container, .review-conclusion .container, .sports-cta .container, .vip-cta .container { max-width: 980px; padding: clamp(2rem, 4vw, 3.25rem); background: linear-gradient(135deg, rgba(30,41,59,0.98), rgba(15,23,42,0.96)); border: 1px solid rgba(16,185,129,0.18); border-radius: var(--radius-xl); box-shadow: var(--shadow-card); text-align: center; }
.home-cta-final h2, .jackpot-cta h2, .review-conclusion h2, .sports-cta h2, .vip-cta h2 { margin-bottom: 0.75rem; }
.home-cta-final p, .jackpot-cta p, .review-conclusion p, .sports-cta p, .vip-cta p { max-width: 720px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Breadcrumb */
.breadcrumb-nav { padding: 1rem 0; margin: 0 auto; max-width: var(--container-max); padding-left: clamp(1rem, 3vw, 2rem); padding-right: clamp(1rem, 3vw, 2rem); }
.breadcrumb-list { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.breadcrumb-item { font-size: var(--fs-small); color: var(--color-text-muted); }
.breadcrumb-item a { color: var(--color-text-muted); }
.breadcrumb-item a:hover { color: var(--color-primary); }
.breadcrumb-item + .breadcrumb-item::before { content: '/'; margin-right: 0.5rem; color: var(--color-border-strong); }
.breadcrumb-item.active { color: var(--color-text-soft); }

/* Auth pages */
.auth-layout { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap-lg); align-items: start; }
.register-layout { max-width: 700px; margin: 0 auto; }
@media (max-width: 768px) { .auth-layout { grid-template-columns: 1fr; } }
.auth-form-wrap { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: clamp(1.5rem, 4vw, 2.5rem); }
.auth-info { padding: 1rem 0; }
.auth-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group label { font-weight: 600; font-size: var(--fs-small); color: var(--color-text); }
.form-group input { padding: 12px 16px; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-sm); color: var(--color-text); font-size: var(--fs-body); font-family: var(--font-base); transition: border-color var(--motion-fast); }
.form-group input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(16,185,129,0.15); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.form-actions { margin-top: 0.5rem; }
.form-note { font-size: var(--fs-small); color: var(--color-text-muted); margin-top: 0.5rem; }
.auth-switch { font-size: var(--fs-small); color: var(--color-text-muted); margin-top: 1rem; text-align: center; }
.checkbox-label { display: flex; align-items: flex-start; gap: 0.5rem; font-size: var(--fs-small); color: var(--color-text-soft); cursor: pointer; }
.checkbox-label input { margin-top: 3px; }

/* Rating stars */
.rating { color: var(--color-accent); font-size: 1.2rem; margin-bottom: 0.5rem; }

/* Pros/Cons */
.pros-cons-split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap-lg); }
.pros, .cons { background: var(--color-card); border-radius: var(--radius-card); padding: 1.5rem; border: 1px solid var(--color-border); }
.pros h3 { color: var(--color-success); }
.cons h3 { color: var(--color-warning); }
.pros ul li, .cons ul li { padding: 6px 0; color: var(--color-text-soft); border-bottom: 1px solid var(--color-border); }
.pros ul li::before { content: '✓ '; color: var(--color-success); }
.cons ul li::before { content: '△ '; color: var(--color-warning); }
@media (max-width: 768px) { .pros-cons-split { grid-template-columns: 1fr; } }

/* Numbered steps */
.numbered-steps { display: flex; flex-direction: column; gap: 1.5rem; }
.num-step { display: flex; gap: 1.25rem; align-items: flex-start; background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 1.5rem; }
.num { flex-shrink: 0; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: var(--color-primary); color: #fff; border-radius: 50%; font-weight: 700; font-size: 1.1rem; }

/* VIP tier grid */
.vip-tier-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-lg); }
.vip-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 2rem; position: relative; }
.vip-card.vip-featured { border-color: var(--color-accent); }
.vip-card ul { margin: 1rem 0; }
.vip-card ul li { padding: 4px 0; color: var(--color-text-soft); }
.vip-card ul li::before { content: '★ '; color: var(--color-accent); }
@media (max-width: 768px) { .vip-tier-grid { grid-template-columns: 1fr; } }

/* Values grid */
.values-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap-lg); }
@media (max-width: 600px) { .values-grid { grid-template-columns: 1fr; } }

/* Sports list */
.sports-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap-lg); margin-bottom: 1.5rem; }
@media (max-width: 768px) { .sports-list { grid-template-columns: 1fr; } }

/* Review cards */
.review-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap-lg); margin-bottom: 1.5rem; }
@media (max-width: 768px) { .review-cards { grid-template-columns: 1fr; } }

/* Tools list */
.tools-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap-lg); }
@media (max-width: 600px) { .tools-list { grid-template-columns: 1fr; } }

/* Rule list */
.rule-list { list-style: disc; padding-left: 1.5rem; }
.rule-list li { color: var(--color-text-soft); padding: 4px 0; }

/* Tier cards with lists */
.tier-card ul { margin: 1rem 0; }
.tier-card ul li { padding: 4px 0; color: var(--color-text-soft); }
.tier-card ul li::before { content: '✓ '; color: var(--color-success); }

/* Footer */
.site-footer { background: var(--color-footer-bg); color: var(--color-footer-text); padding: clamp(2rem, 5vw, 3.5rem) 0 2rem; position: relative; }
.footer-inner { max-width: var(--container-max); margin: 0 auto; padding: 0 clamp(1rem, 3vw, 2rem); display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-lg); }
.footer-col h3 { color: var(--color-text); font-size: 1rem; margin-bottom: 1rem; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul li a { color: var(--color-footer-text); transition: color var(--motion-fast); text-decoration: none; }
.footer-col ul li a:hover { color: var(--color-primary); }
@media (max-width: 768px) { .footer-inner { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .footer-inner { grid-template-columns: 1fr; } }

/* Back to top */
.back-top { position: fixed; right: 1rem; bottom: 1rem; z-index: 9999; width: 48px; height: 48px; border-radius: 50%; background: var(--color-primary); color: #fff; border: none; font-size: 1.5rem; cursor: pointer; box-shadow: 0 2px 12px rgba(16,185,129,0.4); transition: transform var(--motion-normal), opacity var(--motion-normal); opacity: 0.9; }
.back-top:hover { transform: translateY(-3px) scale(1.1); opacity: 1; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* Print */
@media print { .site-header, .site-footer, .back-top, .nav-toggle, .mobile-menu { display: none; } }