/* ===== OK777 Game — Master Stylesheet ===== */

/* ---------- CSS Custom Properties ---------- */
:root {
  --gold:        #FFD700;
  --gold-dark:   #B8960C;
  --gold-light:  #FFE766;
  --bg-primary:  #0A0A0F;
  --bg-card:     #12121A;
  --bg-card-alt: #1A1A26;
  --bg-header:   rgba(10, 10, 15, .92);
  --text:        #E0E0E0;
  --text-muted:  #9A9AB0;
  --accent:      #7B2FFF;
  --accent-glow: rgba(123, 47, 255, .35);
  --success:     #00E676;
  --danger:      #FF5252;
  --radius:      12px;
  --radius-sm:   8px;
  --shadow:      0 8px 32px rgba(0,0,0,.45);
  --transition:  .3s cubic-bezier(.4,0,.2,1);
  --max-w:       1200px;
  --header-h:    72px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

img { max-width: 100%; height: auto; display: block; }
a   { color: var(--gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold-light); }

h1, h2, h3, h4 {
  color: #fff;
  line-height: 1.25;
  font-weight: 700;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Utility ---------- */
.gold   { color: var(--gold); }
.accent { color: var(--accent); }
.text-center { text-align: center; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px;
  border: none; border-radius: 50px;
  font-size: 1rem; font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
  letter-spacing: .5px;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.15) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform .6s;
}
.btn:hover::after { transform: translateX(100%); }

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #0A0A0F;
  box-shadow: 0 4px 20px rgba(255,215,0,.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255,215,0,.45);
  color: #0A0A0F;
}

.btn-secondary {
  background: transparent;
  border: 2px solid var(--gold);
  color: var(--gold);
}
.btn-secondary:hover {
  background: var(--gold);
  color: #0A0A0F;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 24px;
  font-size: .875rem;
}

/* ---------- Header ---------- */
.header {
  position: fixed; top: 0; left: 0; width: 100%;
  height: var(--header-h);
  background: var(--bg-header);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255,215,0,.08);
  transition: box-shadow var(--transition);
}
.header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,.5);
}

.header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
}

.logo {
  font-size: 1.6rem; font-weight: 800;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}
.logo span { font-weight: 400; font-size: 1rem; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav a {
  color: var(--text);
  font-size: .9rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}
.nav a::after {
  content: '';
  position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav a:hover { color: var(--gold); }
.nav a:hover::after,
.nav a.active::after { width: 100%; }

.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  flex-direction: column; gap: 5px;
}
.nav-toggle span {
  display: block; width: 26px; height: 2px;
  background: var(--gold);
  transition: all var(--transition);
  border-radius: 2px;
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  padding: calc(var(--header-h) + 40px) 20px 60px;
  overflow: hidden;
}

.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(123,47,255,.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(255,215,0,.1) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 0%, rgba(123,47,255,.08) 0%, transparent 60%),
    var(--bg-primary);
  z-index: 0;
}

.hero-particles {
  position: absolute; inset: 0; z-index: 1;
  overflow: hidden; pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px; height: 4px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0;
  animation: floatParticle 6s infinite;
}
@keyframes floatParticle {
  0%   { opacity: 0; transform: translateY(100vh) scale(0); }
  10%  { opacity: .8; }
  90%  { opacity: .8; }
  100% { opacity: 0; transform: translateY(-10vh) scale(1); }
}

.hero-content {
  position: relative; z-index: 2;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 20px;
  border: 1px solid var(--gold);
  border-radius: 50px;
  font-size: .8rem;
  color: var(--gold);
  margin-bottom: 24px;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: fadeInDown .8s both;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin-bottom: 20px;
  animation: fadeInDown .8s .15s both;
}
.hero h1 .gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  margin-bottom: 36px;
  animation: fadeInDown .8s .3s both;
}

.hero-buttons {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
  animation: fadeInUp .8s .45s both;
}

.hero-stats {
  display: flex; gap: 40px; justify-content: center; flex-wrap: wrap;
  margin-top: 48px;
  animation: fadeInUp .8s .6s both;
}
.hero-stat {
  text-align: center;
}
.hero-stat-value {
  font-size: 1.8rem; font-weight: 800;
  color: var(--gold);
}
.hero-stat-label {
  font-size: .8rem; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 1px;
}

/* ---------- Sections ---------- */
.section {
  padding: 80px 0;
}
.section-alt {
  background: var(--bg-card);
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  margin-bottom: 12px;
}
.section-header p {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}
.section-header .divider {
  width: 60px; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--accent));
  margin: 16px auto 0;
  border-radius: 2px;
}

/* ---------- Feature Cards ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card-alt);
  border: 1px solid rgba(255,215,0,.06);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,215,0,.15);
  box-shadow: 0 12px 40px rgba(0,0,0,.3);
}
.feature-card:hover::before { transform: scaleX(1); }

.feature-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(255,215,0,.08);
  color: var(--gold);
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.feature-card p {
  color: var(--text-muted);
  font-size: .95rem;
}

/* ---------- Info Blocks (Why Choose, About, etc.) ---------- */
.info-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}
.info-block.reverse { direction: rtl; }
.info-block.reverse > * { direction: ltr; }

.info-text h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin-bottom: 16px;
}
.info-text p {
  color: var(--text-muted);
  margin-bottom: 14px;
}
.info-text ul {
  list-style: none; padding: 0; margin-bottom: 20px;
}
.info-text ul li {
  padding: 6px 0 6px 28px;
  position: relative;
  color: var(--text-muted);
}
.info-text ul li::before {
  content: '✓';
  position: absolute; left: 0;
  color: var(--gold); font-weight: 700;
}

.info-visual {
  background: var(--bg-card-alt);
  border-radius: var(--radius);
  padding: 24px;
  display: flex; align-items: center; justify-content: center;
  min-height: 300px;
  border: 1px solid rgba(255,215,0,.06);
  position: relative;
  overflow: hidden;
}
.info-visual::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 70%, rgba(255,215,0,.06) 0%, transparent 60%);
  pointer-events: none;
}
.info-visual img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}
.info-visual-icon {
  font-size: 5rem;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 30px rgba(255,215,0,.2));
}

/* ---------- Steps ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  counter-reset: step;
}
.step-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-card-alt);
  border-radius: var(--radius);
  border: 1px solid rgba(255,215,0,.06);
  position: relative;
  transition: all var(--transition);
}
.step-card:hover {
  border-color: rgba(255,215,0,.15);
  transform: translateY(-4px);
}
.step-number {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #0A0A0F;
  font-weight: 800; font-size: 1.2rem;
  margin: 0 auto 16px;
}
.step-card h3 {
  margin-bottom: 8px;
}
.step-card p {
  color: var(--text-muted);
  font-size: .9rem;
}

/* ---------- Promotions ---------- */
.promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.promo-card {
  background: linear-gradient(135deg, var(--bg-card-alt), rgba(123,47,255,.08));
  border: 1px solid rgba(123,47,255,.15);
  border-radius: var(--radius);
  padding: 32px;
  transition: all var(--transition);
}
.promo-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.promo-badge {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(255,215,0,.12);
  color: var(--gold);
  border-radius: 50px;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.promo-card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}
.promo-card p {
  color: var(--text-muted);
  font-size: .9rem;
}

/* ---------- Reviews / Testimonials ---------- */
.reviews-slider {
  position: relative;
  overflow: hidden;
}
.reviews-track {
  display: flex;
  transition: transform .5s ease;
}
.review-card {
  min-width: 100%;
  padding: 0 20px;
}
.review-inner {
  background: var(--bg-card-alt);
  border: 1px solid rgba(255,215,0,.06);
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.review-stars {
  color: var(--gold);
  font-size: 1.2rem;
  margin-bottom: 16px;
}
.review-text {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text);
  margin-bottom: 20px;
  line-height: 1.8;
}
.review-author {
  font-weight: 700; color: #fff;
}
.review-role {
  font-size: .85rem; color: var(--text-muted);
}

.slider-controls {
  display: flex; justify-content: center; gap: 12px;
  margin-top: 24px;
}
.slider-btn {
  width: 44px; height: 44px;
  border: 1px solid rgba(255,215,0,.2);
  border-radius: 50%;
  background: var(--bg-card-alt);
  color: var(--gold);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition);
}
.slider-btn:hover {
  background: var(--gold);
  color: #0A0A0F;
}

.slider-dots {
  display: flex; gap: 8px; justify-content: center;
  margin-top: 16px;
}
.slider-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,215,0,.2);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}
.slider-dot.active {
  background: var(--gold);
  transform: scale(1.3);
}

/* ---------- FAQ Accordion ---------- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid rgba(255,215,0,.08);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item:hover,
.faq-item.open {
  border-color: rgba(255,215,0,.2);
}
.faq-question {
  width: 100%;
  padding: 18px 24px;
  background: var(--bg-card-alt);
  border: none;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  transition: background var(--transition);
}
.faq-question:hover { background: rgba(255,215,0,.04); }
.faq-icon {
  flex-shrink: 0;
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem;
  color: var(--gold);
  transition: all var(--transition);
}
.faq-item.open .faq-icon {
  background: var(--gold);
  color: #0A0A0F;
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .4s ease;
}
.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ---------- Download Page ---------- */
.download-hero {
  padding: calc(var(--header-h) + 60px) 20px 60px;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(255,215,0,.06) 0%, transparent 50%),
    var(--bg-primary);
}
.download-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 12px;
}

.download-card {
  background: var(--bg-card-alt);
  border: 1px solid rgba(255,215,0,.1);
  border-radius: var(--radius);
  padding: 40px;
  max-width: 600px;
  margin: 0 auto;
}

.download-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
.download-meta-item {
  display: flex; flex-direction: column;
  padding: 16px;
  background: rgba(255,215,0,.04);
  border-radius: var(--radius-sm);
}
.download-meta-label {
  font-size: .75rem; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 4px;
}
.download-meta-value {
  font-size: 1.1rem; font-weight: 700; color: #fff;
}

.requirements-list {
  list-style: none; padding: 0;
}
.requirements-list li {
  padding: 10px 0 10px 28px;
  border-bottom: 1px solid rgba(255,255,255,.04);
  position: relative;
  color: var(--text-muted);
}
.requirements-list li::before {
  content: '→';
  position: absolute; left: 0;
  color: var(--gold);
}

.install-steps {
  counter-reset: install;
  list-style: none; padding: 0;
}
.install-steps li {
  counter-increment: install;
  padding: 14px 0 14px 48px;
  position: relative;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255,255,255,.04);
}
.install-steps li::before {
  content: counter(install);
  position: absolute; left: 0; top: 12px;
  width: 32px; height: 32px;
  background: rgba(255,215,0,.1);
  color: var(--gold);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .85rem;
}

/* ---------- Page Hero (interior pages) ---------- */
.page-hero {
  padding: calc(var(--header-h) + 60px) 20px 48px;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(123,47,255,.1) 0%, transparent 50%),
    var(--bg-primary);
}
.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 10px;
}
.page-hero p {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex; gap: 8px; align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: .85rem;
}
.breadcrumb a { color: var(--gold); }
.breadcrumb span { color: var(--text-muted); }
.breadcrumb .sep { color: var(--text-muted); }

/* ---------- Content (legal pages etc.) ---------- */
.content-section {
  padding: 60px 0;
}
.content-section .container {
  max-width: 800px;
}
.content-section h2 {
  font-size: 1.5rem;
  margin: 36px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,215,0,.08);
}
.content-section h3 {
  font-size: 1.15rem;
  margin: 24px 0 10px;
}
.content-section p,
.content-section li {
  color: var(--text-muted);
  margin-bottom: 12px;
}
.content-section ul,
.content-section ol {
  padding-left: 24px;
  margin-bottom: 16px;
}
.content-section a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- Contact Form ---------- */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: .9rem;
  color: #fff;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-card-alt);
  border: 1px solid rgba(255,215,0,.1);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: .95rem;
  font-family: inherit;
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--gold);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-card);
  border-top: 1px solid rgba(255,215,0,.06);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--text-muted);
  margin-top: 12px;
  font-size: .9rem;
}

.footer-col h4 {
  font-size: .9rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--gold);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  color: var(--text-muted);
  font-size: .9rem;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--gold); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.04);
  padding: 20px 0;
  text-align: center;
  font-size: .8rem;
  color: var(--text-muted);
}

.responsible-gaming {
  background: rgba(255,82,82,.05);
  border: 1px solid rgba(255,82,82,.15);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-top: 24px;
  font-size: .85rem;
  color: var(--text-muted);
  text-align: center;
}

/* ---------- Scroll to Top ---------- */
.scroll-top {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 48px; height: 48px;
  background: var(--gold);
  color: #0A0A0F;
  border: none; border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 16px rgba(255,215,0,.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 999;
}
.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(255,215,0,.5);
}

/* ---------- Animations ---------- */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
  .info-block { grid-template-columns: 1fr; gap: 32px; }
  .info-block.reverse { direction: ltr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav {
    position: fixed; top: var(--header-h); left: 0; width: 100%;
    background: var(--bg-header);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    transform: translateY(-120%);
    transition: transform var(--transition);
    border-bottom: 1px solid rgba(255,215,0,.08);
  }
  .nav.open { transform: translateY(0); }
  .nav-toggle { display: flex; }

  .hero-stats { gap: 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .download-meta { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 480px) {
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .section { padding: 60px 0; }
}