/* ================================================================
   7j777 bet - Emerald Trust Gaming UI - Design System
   Original design system, not Bootstrap default
   ================================================================ */

:root {
  /* ── Color Tokens ── */
  --color-primary: #6d28d9;
  --color-primary-dark: #4c1d95;
  --color-primary-soft: rgba(109,40,217,.12);
  --color-secondary: #7c3aed;
  --color-accent: #a78bfa;
  --color-bg: #0f0a1e;
  --color-bg-soft: #1a1333;
  --color-surface: rgba(26,19,51,.88);
  --color-surface-strong: rgba(40,28,72,.92);
  --color-card: rgba(30,22,56,.9);
  --color-card-alt: rgba(42,30,76,.85);
  --color-border: rgba(139,92,246,.3);
  --color-border-strong: rgba(139,92,246,.55);
  --color-text: #e8e0f5;
  --color-text-soft: #bdb2d4;
  --color-text-muted: #8b7fad;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-footer-bg: #080514;
  --color-footer-text: #c4b8de;

  /* ── Gradient Tokens ── */
  --gradient-hero: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #1e1b4b 100%);
  --gradient-hero-soft: linear-gradient(180deg, rgba(109,40,217,.08), transparent);
  --gradient-button: linear-gradient(135deg, #7c3aed, #6d28d9);
  --gradient-button-hover: linear-gradient(135deg, #8b5cf6, #7c3aed);
  --gradient-card-border: linear-gradient(135deg, rgba(139,92,246,.5), rgba(99,102,241,.3));
  --gradient-cta: linear-gradient(135deg, #4c1d95, #6d28d9);
  --gradient-footer: linear-gradient(180deg, #0c0820, #080514);

  /* ── Shadow Tokens ── */
  --shadow-header: 0 2px 20px rgba(0,0,0,.4), 0 0 1px rgba(139,92,246,.2);
  --shadow-card: 0 4px 24px rgba(0,0,0,.3), 0 0 0 1px rgba(139,92,246,.15);
  --shadow-card-hover: 0 8px 32px rgba(109,40,217,.25), 0 0 0 1px rgba(139,92,246,.35);
  --shadow-button: 0 4px 16px rgba(109,40,217,.3);
  --shadow-soft: 0 2px 12px rgba(0,0,0,.2);
  --shadow-menu: 0 12px 48px rgba(0,0,0,.6);

  /* ── Radius Tokens ── */
  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;
  --radius-card: 16px;
  --radius-image: 14px;

  /* ── Typography ── */
  --font-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, "Noto Sans Bengali", sans-serif;
  --font-heading: var(--font-base);
  --fs-h1: clamp(1.75rem, 4vw, 2.75rem);
  --fs-h2: clamp(1.35rem, 3vw, 2rem);
  --fs-h3: clamp(1.1rem, 2.2vw, 1.5rem);
  --fs-body: clamp(0.95rem, 1.1vw, 1.05rem);
  --fs-small: 0.875rem;
  --fs-nav: clamp(13px, .84vw, 15px);
  --fs-button: 0.9375rem;
  --lh-heading: 1.3;
  --lh-body: 1.8;

  /* ── Spacing ── */
  --container-max: 1200px;
  --container-narrow: 820px;
  --section-y: clamp(3rem, 6vw, 5rem);
  --section-y-sm: clamp(2rem, 4vw, 3rem);
  --gap-sm: 0.75rem;
  --gap-md: 1.25rem;
  --gap-lg: 2rem;
  --gap-xl: 3rem;
  --header-h: 72px;
  --mobile-header-h: 64px;
  --card-padding: clamp(1.25rem, 2.5vw, 2rem);

  /* ── Motion ── */
  --motion-fast: 150ms;
  --motion-normal: 250ms;
  --motion-slow: 400ms;
  --ease-out: cubic-bezier(.25,.46,.45,.94);
  --ease-soft: cubic-bezier(.4,0,.2,1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-base);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background: var(--color-bg);
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(109,40,217,.1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 0%, rgba(99,102,241,.08) 0%, transparent 40%);
  overflow-x: hidden;
  min-height: 100vh;
}
a { color: var(--color-accent); text-decoration: none; transition: color var(--motion-fast) var(--ease-soft); }
a:hover { color: #c4b5fd; }
img { max-width: 100%; height: auto; display: block; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; border-radius: var(--radius-xs); }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }

.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 clamp(1rem, 3vw, 2rem); }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 clamp(1rem, 3vw, 2rem); }

/* ── Content Images ── */
.content-img { width: 100%; height: auto; border-radius: var(--radius-image); border: 1px solid var(--color-border); box-shadow: var(--shadow-soft); margin: 1.5rem 0; }

/* ================================================================
   HEADER - Sticky, single-line, no "more" button
   ================================================================ */
.site-header {
  position: sticky; top: 0; z-index: 1000; width: 100%;
  background: rgba(15,10,30,.94);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--motion-normal) var(--ease-soft);
}
.site-header.scrolled { box-shadow: var(--shadow-header); }

.header-inner {
  width: 100%; max-width: none;
  padding-left: clamp(10px, 1.2vw, 20px);
  padding-right: clamp(10px, 1.2vw, 20px);
  min-height: var(--header-h);
  display: flex; align-items: center;
  gap: clamp(10px, 1vw, 18px);
}

.brand-wrap { flex: 0 0 auto; margin-right: clamp(4px, .8vw, 14px); display: flex; align-items: center; }
.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; min-width: 0;
  display: flex; align-items: center; justify-content: center;
  flex-wrap: nowrap; gap: clamp(6px, .72vw, 14px);
  white-space: nowrap; overflow: visible;
}
.primary-nav .nav-link {
  flex: 0 1 auto; min-width: 0;
  padding: 9px clamp(6px, .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);
}
.primary-nav .nav-link:hover { color: #fff; background: var(--color-primary-soft); }
.primary-nav .nav-link.active { color: #fff; background: rgba(109,40,217,.2); font-weight: 600; }

.header-actions {
  flex: 0 0 auto; margin-left: auto;
  display: flex; align-items: center; justify-content: flex-end;
  gap: clamp(6px, .6vw, 10px); white-space: nowrap;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; border: none; cursor: pointer;
  border-radius: var(--radius-pill); white-space: nowrap;
  transition: all var(--motion-fast) var(--ease-soft);
  text-decoration: none; font-size: var(--fs-button); line-height: 1;
}
.btn-register {
  background: var(--gradient-button); color: #fff;
  padding: 10px 18px; min-height: 42px;
  box-shadow: var(--shadow-button);
}
.btn-register:hover { background: var(--gradient-button-hover); color: #fff; transform: translateY(-1px); }
.btn-login {
  background: transparent; color: var(--color-accent);
  border: 1px solid var(--color-border-strong);
  padding: 10px 18px; min-height: 42px;
}
.btn-login:hover { background: rgba(139,92,246,.1); color: #fff; }

/* Nav toggle - mobile only */
.nav-toggle {
  display: none; flex: 0 0 40px; width: 40px; height: 40px;
  align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); cursor: pointer;
  flex-direction: column; gap: 5px; padding: 10px;
  margin-left: 2px;
}
.nav-toggle span {
  display: block; width: 18px; height: 2px;
  background: var(--color-text); border-radius: 2px;
  transition: transform var(--motion-normal), opacity var(--motion-fast);
}
.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  display: none; position: fixed;
  top: var(--mobile-header-h); left: 0; right: 0;
  bottom: 0; z-index: 999;
  background: rgba(15,10,30,.97);
  backdrop-filter: blur(16px);
  overflow-y: auto; padding: 1.5rem;
}
.mobile-menu.is-open { display: block; }
.mobile-menu-inner { display: flex; flex-direction: column; gap: 0; }
.mobile-link {
  display: block; padding: 14px 16px;
  color: var(--color-text); font-size: 1rem;
  border-bottom: 1px solid rgba(139,92,246,.12);
  transition: background var(--motion-fast);
}
.mobile-link:hover { background: var(--color-primary-soft); color: #fff; }
.mobile-menu-actions {
  display: flex; gap: 12px; padding: 20px 0;
  flex-wrap: wrap;
}
.mobile-menu-actions .btn { flex: 1; min-width: 120px; text-align: center; }

@media (max-width: 1180px) {
  .header-inner {
    width: 100%; max-width: none;
    padding-left: clamp(8px, 2.4vw, 14px);
    padding-right: clamp(8px, 2.4vw, 14px);
    min-height: var(--mobile-header-h);
    justify-content: flex-start;
    gap: clamp(6px, 1.8vw, 10px);
  }
  .brand-wrap { flex: 0 1 auto; margin-right: 0; }
  .site-logo { height: clamp(30px, 8vw, 40px); max-width: clamp(104px, 27vw, 138px); }
  .primary-nav { display: none; }
  .header-actions {
    margin-left: auto; flex: 0 0 auto;
    gap: clamp(5px, 1.6vw, 8px);
  }
  .header-actions .btn {
    min-height: 40px;
    padding-inline: clamp(10px, 2.6vw, 14px);
    font-size: clamp(12px, 3.2vw, 14px);
  }
  .nav-toggle { display: inline-flex; }
}

@media (max-width: 375px) {
  .header-inner { padding-left: 8px; padding-right: 8px; gap: 6px; }
  .site-logo { max-width: 104px; }
  .header-actions .btn { min-height: 38px; padding-inline: 9px; font-size: 12px; }
  .nav-toggle { flex-basis: 38px; width: 38px; height: 38px; }
}

/* ================================================================
   SECTIONS & LAYOUT
   ================================================================ */
.section { padding: var(--section-y) 0; }
.section-alt { background: var(--color-bg-soft); }
.section-title {
  font-size: var(--fs-h2); font-weight: 800;
  color: #f5f3ff; margin-bottom: 1rem;
  line-height: var(--lh-heading);
}
.section-subtitle { color: var(--color-text-soft); margin-bottom: 2rem; max-width: 680px; }

/* ── Cards ── */
.card-base {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-card); padding: var(--card-padding);
  box-shadow: var(--shadow-card);
  transition: transform var(--motion-normal) var(--ease-soft), box-shadow var(--motion-normal);
}
.card-base:hover { transform: translateY(-3px); box-shadow: var(--shadow-card-hover); }

.card-feature { background: var(--color-card-alt); }
.card-trust { border-left: 3px solid var(--color-accent); }
.card-step { position: relative; padding-left: 3.5rem; }

/* ── Grids ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-md); }
.grid-sidebar { display: grid; grid-template-columns: 1fr 380px; gap: var(--gap-xl); align-items: start; }
.grid-sidebar-rev { display: grid; grid-template-columns: 380px 1fr; gap: var(--gap-xl); align-items: start; }

@media (max-width: 1024px) { .grid-sidebar, .grid-sidebar-rev { grid-template-columns: 1fr; } }
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .grid-2 { grid-template-columns: 1fr; }
}

/* ── Hero Variants ── */
.hero-split {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--gap-xl);
  align-items: center; padding: var(--section-y) 0;
}
.hero-center { text-align: center; padding: var(--section-y) 0; max-width: 900px; margin: 0 auto; }
.hero-compact { padding: var(--section-y-sm) 0; }

@media (max-width: 768px) { .hero-split { grid-template-columns: 1fr; } }

.hero-badge {
  display: inline-block; padding: .4rem .9rem;
  background: var(--color-primary-soft); border: 1px solid var(--color-border);
  border-radius: var(--radius-pill); color: var(--color-accent);
  font-size: var(--fs-small); font-weight: 600; margin-bottom: 1rem;
}
.hero-title { font-size: var(--fs-h1); font-weight: 800; color: #f5f3ff; line-height: var(--lh-heading); margin-bottom: 1.25rem; }
.hero-lead { font-size: clamp(1rem, 1.2vw, 1.15rem); color: var(--color-text-soft); line-height: 1.7; margin-bottom: 1.75rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--gap-md); }

/* ── CTA Sections ── */
.cta-band {
  background: var(--gradient-cta); border-radius: var(--radius-xl);
  padding: clamp(2rem, 4vw, 3.5rem); text-align: center;
  border: 1px solid rgba(139,92,246,.4);
  box-shadow: 0 8px 40px rgba(109,40,217,.2);
}
.cta-inline { padding: 2rem 0; display: flex; flex-wrap: wrap; gap: var(--gap-md); align-items: center; }

/* ── FAQ ── */
.faq-item {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); margin-bottom: .75rem;
  overflow: hidden;
}
.faq-question {
  width: 100%; padding: 1.25rem 1.5rem;
  background: transparent; border: none; color: #f5f3ff;
  font-size: 1.05rem; font-weight: 600; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  text-align: left; font-family: inherit;
  transition: background var(--motion-fast);
}
.faq-question:hover { background: var(--color-primary-soft); }
.faq-question::after {
  content: '+'; font-size: 1.4rem; color: var(--color-accent);
  flex-shrink: 0; margin-left: 1rem;
  transition: transform var(--motion-normal);
}
.faq-item.is-open .faq-question::after { content: '\2212'; transform: rotate(180deg); }
.faq-answer { padding: 0 1.5rem; max-height: 0; overflow: hidden; transition: max-height var(--motion-slow), padding var(--motion-normal); }
.faq-item.is-open .faq-answer { max-height: 600px; padding: 0 1.5rem 1.25rem; }
.faq-answer p { color: var(--color-text-soft); line-height: 1.8; }

/* ── Form Elements ── */
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; margin-bottom: .5rem; font-weight: 600; color: var(--color-text); font-size: var(--fs-small); }
.form-input {
  width: 100%; padding: .75rem 1rem;
  background: rgba(30,22,56,.6); border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); color: var(--color-text);
  font-size: 1rem; font-family: inherit;
  transition: border-color var(--motion-fast), box-shadow var(--motion-fast);
}
.form-input:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(139,92,246,.15); }
.form-submit {
  width: 100%; padding: .85rem;
  background: var(--gradient-button); color: #fff;
  border: none; border-radius: var(--radius-pill);
  font-size: 1rem; font-weight: 700; cursor: pointer;
  box-shadow: var(--shadow-button);
  transition: all var(--motion-fast);
}
.form-submit:hover { background: var(--gradient-button-hover); transform: translateY(-1px); }

/* ── Table ── */
.table-wrap { overflow-x: auto; margin: 1.5rem 0; border-radius: var(--radius-md); border: 1px solid var(--color-border); }
.table-styled { width: 100%; border-collapse: collapse; }
.table-styled th, .table-styled td { padding: .85rem 1rem; text-align: left; border-bottom: 1px solid rgba(139,92,246,.15); }
.table-styled th { background: var(--color-surface-strong); color: #f5f3ff; font-weight: 700; }
.table-styled td { color: var(--color-text-soft); }
.table-styled tr:last-child td { border-bottom: none; }

/* ── Breadcrumb ── */
.breadcrumb { display: flex; flex-wrap: wrap; gap: .5rem; list-style: none; padding: 1rem 0; margin: 0; font-size: var(--fs-small); }
.breadcrumb a { color: var(--color-accent); }
.breadcrumb .sep { color: var(--color-text-muted); }
.breadcrumb .current { color: var(--color-text-soft); }

/* ── Prose / Article Body ── */
.prose { max-width: var(--container-narrow); }
.prose p { margin-bottom: 1.25rem; color: var(--color-text-soft); line-height: var(--lh-body); }
.prose h2 { font-size: var(--fs-h2); color: #f5f3ff; margin: 2.5rem 0 1rem; font-weight: 700; }
.prose h3 { font-size: var(--fs-h3); color: #ede9fe; margin: 2rem 0 .75rem; font-weight: 600; }
.prose ul, .prose ol { margin: 1rem 0 1.5rem 1.5rem; color: var(--color-text-soft); }
.prose li { margin-bottom: .5rem; line-height: 1.7; }

/* ── Note / Warning Cards ── */
.note-card {
  background: rgba(109,40,217,.08); border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.25rem 1.5rem; margin: 1.5rem 0;
}
.warning-card {
  background: rgba(245,158,11,.08); border-left: 4px solid var(--color-warning);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.25rem 1.5rem; margin: 1.5rem 0;
}

/* ── Step Badge ── */
.step-badge {
  width: 42px; height: 42px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient-button); color: #fff; font-weight: 700;
  box-shadow: var(--shadow-button); flex-shrink: 0;
}
.step-row { display: flex; gap: 1rem; margin-bottom: 1.5rem; align-items: flex-start; }

/* ── Icon Feature ── */
.icon-box {
  width: 56px; height: 56px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  background: var(--color-primary-soft); color: var(--color-accent);
  font-size: 1.5rem; margin-bottom: 1rem;
  border: 1px solid var(--color-border);
}

/* ── Back to Top ── */
.back-to-top {
  position: fixed; bottom: 80px; right: 20px; z-index: 900;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--gradient-button); color: #fff; border: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; opacity: 0; visibility: hidden;
  transition: opacity var(--motion-normal), visibility var(--motion-normal), transform var(--motion-fast);
  box-shadow: var(--shadow-button); font-size: 1.2rem;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-2px); }

/* ================================================================
   FOOTER
   ================================================================ */
.site-footer {
  background: var(--gradient-footer);
  border-top: 1px solid var(--color-border);
  margin-top: var(--section-y);
}
.footer-inner {
  max-width: var(--container-max); margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1rem, 3vw, 2rem) 2rem;
  display: grid; grid-template-columns: 1fr 2fr; gap: var(--gap-xl);
}
.footer-logo { height: 38px; width: auto; margin-bottom: 1rem; }
.footer-desc { color: var(--color-footer-text); font-size: var(--fs-small); line-height: 1.7; margin-bottom: .75rem; }
.footer-email { color: var(--color-text-muted); font-size: var(--fs-small); }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-lg); }
.footer-col-title { color: #f5f3ff; font-size: var(--fs-small); font-weight: 700; margin-bottom: 1rem; text-transform: uppercase; letter-spacing: .5px; }
.footer-col a { display: block; color: var(--color-footer-text); font-size: var(--fs-small); padding: .3rem 0; transition: color var(--motion-fast); }
.footer-col a:hover { color: var(--color-accent); }

.footer-bottom {
  border-top: 1px solid rgba(139,92,246,.15);
  padding: 1.25rem 0;
}
.footer-bottom-inner {
  max-width: var(--container-max); margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 2rem);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem;
}
.footer-bottom p { color: var(--color-text-muted); font-size: var(--fs-small); margin: 0; }

@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(2, 1fr); gap: var(--gap-md); }
  .footer-bottom-inner { flex-direction: column; }
}
@media (max-width: 414px) {
  .footer-links { grid-template-columns: 1fr; }
}

/* ── Page-specific body classes ── */
.page-home .home-hero { padding-bottom: 0; }
.page-policy .prose { max-width: 100%; }

/* ── Auth pages ── */
.auth-layout { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap-xl); align-items: start; }
@media (max-width: 768px) { .auth-layout { grid-template-columns: 1fr; } }
.auth-form-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: clamp(1.5rem, 4vw, 2.5rem); box-shadow: var(--shadow-card); }
.auth-info-card { background: var(--color-card-alt); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: clamp(1.5rem, 4vw, 2.5rem); }

/* ── AOS Degradation ── */
[data-aos] { opacity: 1 !important; transform: none !important; }

/* ── Print ── */
@media print { .site-header, .site-footer, .mobile-menu, .back-to-top, #br-stick { display: none !important; } }