/* kkbd Design System - Emerald Trust Gaming UI */
:root {
  --color-primary: #E65F2B;
  --color-primary-dark: #C44A1A;
  --color-primary-soft: rgba(230,95,43,0.12);
  --color-secondary: #C8D413;
  --color-accent: #FFB347;
  --color-bg: #0A1628;
  --color-bg-soft: #0F1F35;
  --color-surface: #142640;
  --color-surface-strong: #1A3050;
  --color-card: #162B45;
  --color-card-alt: #1E3555;
  --color-border: rgba(255,255,255,0.08);
  --color-border-strong: rgba(255,255,255,0.15);
  --color-text: #E8ECF1;
  --color-text-soft: #A0B0C4;
  --color-text-muted: #6B7F96;
  --color-success: #28A745;
  --color-warning: #FFC107;
  --color-danger: #DC3545;
  --color-footer-bg: #060E1A;
  --color-footer-text: #8899AA;
  --gradient-hero: linear-gradient(135deg, #0A1628 0%, #142640 50%, #1A3050 100%);
  --gradient-button: linear-gradient(135deg, #E65F2B, #FF8C42);
  --gradient-button-hover: linear-gradient(135deg, #FF8C42, #E65F2B);
  --gradient-cta: linear-gradient(135deg, #E65F2B 0%, #C8D413 100%);
  --gradient-card-border: linear-gradient(135deg, rgba(230,95,43,0.3), rgba(200,212,19,0.15));
  --shadow-header: 0 2px 20px rgba(0,0,0,0.4);
  --shadow-card: 0 4px 16px rgba(0,0,0,0.25);
  --shadow-card-hover: 0 8px 32px rgba(230,95,43,0.15);
  --shadow-button: 0 4px 12px rgba(230,95,43,0.3);
  --shadow-soft: 0 2px 8px rgba(0,0,0,0.15);
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;
  --radius-card: 14px;
  --font-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, "Noto Sans Bengali", sans-serif;
  --font-heading: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, "Noto Sans Bengali", sans-serif;
  --fs-h1: clamp(28px, 4vw, 48px);
  --fs-h2: clamp(22px, 3vw, 34px);
  --fs-h3: clamp(18px, 2.2vw, 26px);
  --fs-body: 17px;
  --fs-small: 14px;
  --fs-nav: clamp(13px, 0.84vw, 15px);
  --fs-button: 15px;
  --lh-heading: 1.25;
  --lh-body: 1.85;
  --container-max: 1180px;
  --container-wide: 1400px;
  --section-y: clamp(48px, 6vw, 80px);
  --gap-sm: 12px;
  --gap-md: 20px;
  --gap-lg: 32px;
  --header-h: 68px;
  --mobile-header-h: 62px;
  --motion-fast: 0.15s;
  --motion-normal: 0.25s;
  --motion-slow: 0.4s;
  --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; overflow-x: hidden; max-width: 100vw; }
body {
  font-family: var(--font-base);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background: var(--color-bg);
  padding-top: var(--header-h);
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
  word-break: normal;
  overflow-wrap: break-word;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--motion-fast); }
a:hover { color: var(--color-secondary); }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: #fff;
  line-height: var(--lh-heading);
  font-weight: 800;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); margin-bottom: 18px; }
h3 { font-size: var(--fs-h3); margin-bottom: 12px; }
p { margin-bottom: 16px; }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ===== CONTAINER ===== */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 clamp(16px, 3vw, 24px); }
.container-wide { max-width: var(--container-wide); margin: 0 auto; padding: 0 clamp(16px, 3vw, 24px); }

/* ===== HEADER ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,22,40,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-h);
  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);
  height: 100%;
  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; min-width: 0;
  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; min-width: 0;
  padding: 9px clamp(6px, 0.65vw, 12px);
  font-size: var(--fs-nav);
  line-height: 1; white-space: nowrap;
  color: var(--color-text-soft);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: color var(--motion-fast), background var(--motion-fast);
}
.primary-nav .nav-link:hover { color: var(--color-primary); background: var(--color-primary-soft); }
.primary-nav .nav-link.active { color: var(--color-primary); font-weight: 800; background: var(--color-primary-soft); }
.header-actions {
  flex: 0 0 auto; margin-left: auto;
  display: flex; align-items: center; justify-content: flex-end;
  gap: clamp(6px, 0.6vw, 10px); white-space: nowrap;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px; border-radius: var(--radius-sm);
  font-weight: 700; font-size: var(--fs-button);
  border: none; cursor: pointer;
  transition: transform var(--motion-fast), box-shadow var(--motion-fast), filter var(--motion-fast);
  text-decoration: none; line-height: 1; min-height: 42px;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary, .btn-register {
  background: var(--gradient-button); color: #fff;
  box-shadow: var(--shadow-button);
}
.btn-primary:hover, .btn-register:hover { background: var(--gradient-button-hover); color: #fff; box-shadow: 0 6px 20px rgba(230,95,43,0.4); }
.btn-login {
  background: transparent; color: var(--color-text);
  border: 1.5px solid var(--color-border-strong);
}
.btn-login:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-outline {
  background: transparent; color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary-soft); }
.btn-lg { padding: 14px 28px; font-size: 17px; min-height: 48px; }
.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-strong);
  border-radius: var(--radius-sm); cursor: pointer; margin-left: 2px; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--color-text); border-radius: 1px; transition: transform var(--motion-normal); }
.nav-toggle span + span { margin-top: 5px; }
.mobile-menu {
  display: none; position: fixed;
  top: var(--header-h); left: 0; right: 0; bottom: 0;
  background: var(--color-bg); z-index: 999;
  flex-direction: column; padding: 20px 16px;
  overflow-y: auto;
}
.mobile-menu.is-open { display: flex; }
.mobile-menu .nav-link {
  display: block; padding: 14px 12px;
  color: var(--color-text); font-size: 16px; font-weight: 600;
  border-bottom: 1px solid var(--color-border);
}
.mobile-menu .nav-link:hover, .mobile-menu .nav-link.active { color: var(--color-primary); }
.mobile-nav-btn {
  display: block; padding: 14px; margin-top: 8px;
  text-align: center; border-radius: var(--radius-sm);
  font-weight: 700; font-size: 16px;
}
.mobile-nav-btn[href*="register"] { background: var(--gradient-button); color: #fff; }
.mobile-nav-btn[href*="login"] { border: 1.5px solid var(--color-border-strong); color: var(--color-text); margin-top: 6px; }

@media (max-width: 1180px) {
  .primary-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-header { height: var(--mobile-header-h); }
  body { padding-top: var(--mobile-header-h); }
  .header-inner {
    padding-left: clamp(8px, 2.4vw, 14px);
    padding-right: clamp(8px, 2.4vw, 14px);
    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); }
  .header-actions { margin-left: auto; gap: clamp(5px, 1.6vw, 8px); }
  .header-actions .btn { min-height: 40px; padding: 8px clamp(10px, 2.6vw, 14px); font-size: clamp(12px, 3.2vw, 14px); }
}
@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: 7px 9px; font-size: 12px; }
  .nav-toggle { flex-basis: 38px; width: 38px; height: 38px; }
}

/* ===== SECTIONS ===== */
.section { padding: var(--section-y) 0; }
.section-alt { background: var(--color-bg-soft); }
.section-surface { background: var(--color-surface); }
.section-gradient { background: var(--gradient-hero); }

/* ===== BREADCRUMB ===== */
.breadcrumb-nav {
  padding: 14px 0; font-size: var(--fs-small);
  color: var(--color-text-muted);
}
.breadcrumb-nav a { color: var(--color-text-soft); }
.breadcrumb-nav a:hover { color: var(--color-primary); }
.bc-sep { margin: 0 6px; opacity: 0.5; }
.bc-current { color: var(--color-text); }

/* ===== HERO VARIANTS ===== */
.hero-home {
  padding: clamp(48px, 8vw, 96px) 0 clamp(40px, 6vw, 64px);
  background: var(--gradient-hero);
  position: relative; overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}
.hero-home::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(230,95,43,0.08), transparent 60%);
  pointer-events: none;
}
.hero-home .hero-content { position: relative; z-index: 1; }
.hero-home .hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
.hero-home .hero-badge {
  display: inline-block; padding: 6px 16px; border-radius: var(--radius-pill);
  background: var(--color-primary-soft); color: var(--color-primary);
  font-size: 13px; font-weight: 700; margin-bottom: 16px;
}
.hero-inner {
  padding: clamp(32px, 5vw, 56px) 0;
  border-bottom: 1px solid var(--color-border);
}
.hero-form {
  padding: clamp(40px, 6vw, 72px) 0;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-surface) 100%);
}
.hero-reading { padding: clamp(28px, 4vw, 48px) 0; }
.hero-policy { padding: clamp(28px, 4vw, 44px) 0; background: var(--color-bg-soft); }

@media (max-width: 768px) {
  .hero-home .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-home .hero-visual { display: none; }
}

/* ===== CARDS ===== */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: clamp(20px, 3vw, 28px);
  transition: transform var(--motion-normal), box-shadow var(--motion-normal), border-color var(--motion-normal);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card-hover); border-color: rgba(230,95,43,0.25); }
.card-alt { background: var(--color-card-alt); }
.card-feature { border-left: 3px solid var(--color-primary); }
.card-trust { border-top: 3px solid var(--color-secondary); background: var(--color-surface); }
.card-step { text-align: center; position: relative; }
.card-step .step-num {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--gradient-button); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 18px; margin-bottom: 12px;
}
.card-grid { display: grid; gap: var(--gap-md); }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid-6 { grid-template-columns: repeat(6, 1fr); }
@media (max-width: 900px) {
  .card-grid-3, .card-grid-4, .card-grid-6 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .card-grid-2, .card-grid-3, .card-grid-4, .card-grid-6 { grid-template-columns: 1fr; }
}
.card h3, .card h4 { font-size: clamp(16px, 1.8vw, 20px); margin-bottom: 8px; }
.card p { color: var(--color-text-soft); font-size: var(--fs-small); margin-bottom: 0; }
.card .card-icon { font-size: 2rem; color: var(--color-primary); margin-bottom: 12px; }

/* ===== CTA ===== */
.cta-section {
  padding: clamp(32px, 5vw, 56px) clamp(20px, 3vw, 40px);
  background: var(--gradient-cta);
  border-radius: var(--radius-lg);
  text-align: center; margin: var(--gap-lg) 0;
}
.cta-section h2 { color: #fff; }
.cta-section p { color: rgba(255,255,255,0.85); }
.cta-section .btn { background: #fff; color: var(--color-primary); font-weight: 800; }
.cta-section .btn:hover { background: #f0f0f0; }
.cta-inline { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin: 24px 0; }

/* ===== FAQ ===== */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0; background: none; border: none; cursor: pointer;
  color: #fff; font-size: 16px; font-weight: 700; text-align: left;
  font-family: var(--font-base);
}
.faq-question::after { content: "+"; font-size: 22px; color: var(--color-primary); flex-shrink: 0; margin-left: 12px; transition: transform var(--motion-normal); }
.faq-question[aria-expanded="true"]::after { content: "\2212"; transform: rotate(180deg); }
.faq-answer { padding: 0 0 18px; color: var(--color-text-soft); line-height: 1.7; display: none; }
.faq-answer.is-open { display: block; }

/* ===== TABLE ===== */
.table-wrap { overflow-x: auto; margin: 20px 0; border-radius: var(--radius-md); }
.data-table { width: 100%; border-collapse: collapse; font-size: var(--fs-small); }
.data-table th { background: var(--color-surface-strong); color: #fff; padding: 12px 16px; text-align: left; font-weight: 700; }
.data-table td { padding: 12px 16px; border-bottom: 1px solid var(--color-border); color: var(--color-text-soft); }
.data-table tr:hover td { background: var(--color-surface); }
.badge-yes { color: var(--color-success); font-weight: 700; }
.badge-no { color: var(--color-text-muted); }

/* ===== FORM ===== */
.auth-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.form-card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: clamp(24px, 4vw, 40px);
}
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-weight: 600; margin-bottom: 6px; font-size: var(--fs-small); color: var(--color-text-soft); }
.form-input {
  width: 100%; padding: 12px 16px; background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  color: var(--color-text); font-size: 16px; font-family: var(--font-base);
  transition: border-color var(--motion-fast);
}
.form-input:focus { border-color: var(--color-primary); outline: none; box-shadow: 0 0 0 3px var(--color-primary-soft); }
.trust-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: clamp(24px, 4vw, 36px);
}
.trust-card h3 { font-size: 20px; margin-bottom: 16px; }
.trust-item { display: flex; gap: 12px; align-items: start; margin-bottom: 16px; }
.trust-item i { color: var(--color-primary); font-size: 20px; flex-shrink: 0; margin-top: 2px; }
@media (max-width: 768px) { .auth-layout { grid-template-columns: 1fr; } }

/* ===== CONTENT FLOW ===== */
.content-flow { max-width: 820px; margin: 0 auto; }
.content-flow h2 { margin-top: 36px; }
.content-flow h3 { margin-top: 24px; color: var(--color-text); }
.content-flow p { color: var(--color-text-soft); }
.content-flow ul, .content-flow ol { padding-left: 24px; margin-bottom: 16px; color: var(--color-text-soft); }
.content-flow li { margin-bottom: 8px; }
.content-flow li::marker { color: var(--color-primary); }
.content-split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 36px; align-items: start; }
@media (max-width: 768px) { .content-split { grid-template-columns: 1fr; } }
.content-img { border-radius: var(--radius-md); overflow: hidden; }
.content-img img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }

/* ===== STATS ===== */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-md); text-align: center; }
.stat-item strong { display: block; font-size: clamp(28px, 4vw, 42px); color: var(--color-primary); }
.stat-item span { font-size: var(--fs-small); color: var(--color-text-muted); }
@media (max-width: 600px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===== PROMO ===== */
.promo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap-md); }
.promo-card {
  padding: clamp(20px, 3vw, 28px); border-radius: var(--radius-card);
  border: 1px solid; position: relative;
}
.promo-card-welcome { border-color: var(--color-primary); background: rgba(230,95,43,0.06); }
.promo-card-cashback { border-color: var(--color-success); background: rgba(40,167,69,0.06); }
.promo-card-refer { border-color: #17A2B8; background: rgba(23,162,184,0.06); }
.promo-card-season { border-color: var(--color-warning); background: rgba(255,193,7,0.06); }
@media (max-width: 600px) { .promo-grid { grid-template-columns: 1fr; } }

/* ===== ICON STRIP ===== */
.icon-strip { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--gap-sm); text-align: center; }
.icon-strip-item i { font-size: 2rem; margin-bottom: 6px; }
.icon-strip-item span { font-size: 12px; font-weight: 700; }
@media (max-width: 600px) { .icon-strip { grid-template-columns: repeat(3, 1fr); } }

/* ===== PAYMENT ===== */
.payment-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-sm); }
.payment-item {
  text-align: center; padding: 16px;
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: var(--color-surface);
}
.payment-item strong { display: block; margin-bottom: 4px; }
.payment-item span { font-size: 12px; color: var(--color-text-muted); }
@media (max-width: 600px) { .payment-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===== POLICY ===== */
.policy-toc {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 20px; margin-bottom: 28px;
}
.policy-toc h3 { font-size: 16px; margin-bottom: 10px; }
.policy-toc a { display: block; padding: 6px 0; color: var(--color-text-soft); font-size: var(--fs-small); }
.policy-toc a:hover { color: var(--color-primary); }
.policy-note {
  background: rgba(230,95,43,0.08); border-left: 3px solid var(--color-primary);
  padding: 16px 20px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 20px 0; color: var(--color-text);
}
.policy-updated { font-size: var(--fs-small); color: var(--color-text-muted); margin-bottom: 20px; }

/* ===== STEPS ===== */
.step-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-md); }
@media (max-width: 768px) { .step-flow { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .step-flow { grid-template-columns: 1fr; } }

/* ===== ARTICLE ===== */
.article-body { max-width: 780px; margin: 0 auto; }
.article-meta { font-size: var(--fs-small); color: var(--color-text-muted); margin-bottom: 20px; }
.article-cover { border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 28px; }
.article-cover img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--color-footer-bg);
  border-top: 1px solid var(--color-border);
  padding: 40px 0 20px; margin-top: 48px;
}
.footer-inner { max-width: var(--container-wide); margin: 0 auto; padding: 0 clamp(16px, 3vw, 24px); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 24px; margin-bottom: 24px; }
.footer-brand h3 { font-size: 20px; color: var(--color-primary); margin-bottom: 10px; }
.footer-brand p { font-size: 13px; color: var(--color-footer-text); line-height: 1.6; }
.footer-col h4 { font-size: 14px; color: #fff; margin-bottom: 12px; font-weight: 700; }
.footer-col a { display: block; font-size: 13px; color: var(--color-footer-text); margin-bottom: 8px; }
.footer-col a:hover { color: var(--color-primary); }
.footer-bottom {
  border-top: 1px solid var(--color-border); padding-top: 16px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  font-size: 12px; color: var(--color-text-muted);
}
.age-badge-wrap { display: flex; align-items: center; gap: 10px; margin-top: 12px; }
.age-badge {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--color-danger); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 800; flex-shrink: 0;
}
.age-note { font-size: 11px; color: var(--color-text-muted); }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ===== UTILITY ===== */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-text-muted); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.fw-bold { font-weight: 700; }
.d-flex { display: flex; }
.gap-sm { gap: var(--gap-sm); }
.gap-md { gap: var(--gap-md); }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* ===== 404 ===== */
.error-page { text-align: center; padding: clamp(80px, 15vw, 200px) 0; }
.error-num {
  font-size: clamp(96px, 18vw, 180px); font-weight: 900; line-height: 0.9;
  background: var(--gradient-cta); -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ===== MOBILE SAFEGUARDS ===== */
@media (max-width: 414px) {
  body { font-size: 16px; }
  h1 { font-size: 26px; }
  h2 { font-size: 22px; }
  .section { padding: 36px 0; }
}
@media (max-width: 375px) {
  .hero-home { padding: 36px 0 28px; }
  .cta-section { padding: 24px 16px; }
}