/* ============================================================
   Dogtective Website — Styles
   ============================================================ */

:root {
  --color-bg:       #0f0d1a;
  --color-surface:  #1a1729;
  --color-surface2: #231f38;
  --color-primary:  #f5c842;
  --color-accent:   #e8855a;
  --color-text:     #f0edf8;
  --color-muted:    #9993b8;
  --color-border:   rgba(255,255,255,0.08);
  --radius:         16px;
  --radius-sm:      10px;
  --shadow:         0 8px 32px rgba(0,0,0,0.45);
  --font-body:      -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display:   'Georgia', serif;
  --max-width:      1120px;
  --transition:     0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.center { text-align: center; }

/* ── TYPOGRAPHY ─────────────────────────────────────────── */

h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.1; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); font-weight: 700; line-height: 1.2; }
h3 { font-size: 1.15rem; font-weight: 600; }
p  { color: var(--color-muted); }
strong { color: var(--color-text); }

.section-eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.section-eyebrow.center { text-align: center; }

/* ── NAV ─────────────────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(15, 13, 26, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.nav-icon { width: 36px; height: 36px; border-radius: 8px; }
.nav-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav-links a {
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--color-text); text-decoration: none; }

.nav-support {
  background: var(--color-primary);
  color: #0f0d1a !important;
  padding: 6px 16px;
  border-radius: 20px;
  font-weight: 700 !important;
  transition: opacity var(--transition) !important;
}
.nav-support:hover { opacity: 0.85; }

/* ── HERO ─────────────────────────────────────────────────── */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 64px;
}

.hero-bg {
  position: absolute;
  inset: 0;
}
.hero-bg-video {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center center;
  filter: saturate(0.7) brightness(0.4);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(15,13,26,0.3) 0%,
    rgba(15,13,26,0.6) 60%,
    rgba(15,13,26,1) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 80px 24px 60px;
  gap: 20px;
}

.paw-prints-decoration img {
  width: 80px;
  opacity: 0.3;
  filter: invert(1);
}

.hero-logo {
  width: min(400px, 80vw);
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.8));
}

.hero-tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--color-text);
  line-height: 1.5;
  max-width: 520px;
}

.hero-soon {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: -8px;
}

/* ── BUTTONS ──────────────────────────────────────────────── */

.btn-appstore {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #000;
  color: #fff;
  padding: 10px 20px;
  border-radius: 12px;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.15);
  transition: transform var(--transition), opacity var(--transition);
  white-space: nowrap;
}
.btn-appstore:hover { transform: scale(1.03); opacity: 0.88; text-decoration: none; }
.btn-appstore.large { padding: 12px 24px; }

.btn-apple-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  fill: #fff;
}

.btn-appstore-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}
.btn-appstore-text small {
  font-size: 0.65rem;
  font-weight: 400;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.02em;
}
.btn-appstore-text strong {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

/* ── ABOUT ──────────────────────────────────────────────── */

.about {
  padding: 100px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text { display: flex; flex-direction: column; gap: 20px; }
.about-text h2 { color: var(--color-text); }
.about-text p { font-size: 1.05rem; }

.about-icon-wrap {
  display: flex;
  justify-content: center;
}
.about-icon-card {
  position: relative;
  width: 260px; height: 260px;
  background: var(--color-surface);
  border-radius: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}
.about-icon { width: 200px; height: 200px; object-fit: contain; }
.icon-badge {
  position: absolute;
  bottom: 12px; right: 12px;
  background: var(--color-primary);
  border-radius: 50%;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  box-shadow: var(--shadow);
}

/* ── FEATURES ───────────────────────────────────────────── */

.features {
  padding: 80px 0;
  background: var(--color-surface);
}
.features h2 { color: var(--color-text); margin-bottom: 48px; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color var(--transition), transform var(--transition);
}
.feature-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
}
.feature-icon { font-size: 2rem; }
.feature-card h3 { color: var(--color-text); }
.feature-card p { font-size: 0.9rem; }

/* ── SCREENSHOTS ─────────────────────────────────────────── */

.screenshots {
  padding: 100px 0;
}
.screenshots h2 { color: var(--color-text); margin-bottom: 48px; }

.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.screenshot-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: transform var(--transition);
}
.screenshot-item:hover { transform: scale(1.02); }
.screenshot-item img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}
.screenshot-caption {
  padding: 10px 16px;
  font-size: 0.85rem;
  color: var(--color-muted);
  text-align: center;
}

/* ── LEVELS ──────────────────────────────────────────────── */

.levels {
  padding: 100px 0;
  background: var(--color-surface);
}
.levels h2 { color: var(--color-text); margin-bottom: 12px; }
.levels-sub { margin-bottom: 48px; }

.levels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.level-card {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--color-border);
  aspect-ratio: 3/4;
  background: var(--color-bg);
  transition: transform var(--transition);
}
.level-card:hover { transform: scale(1.03); }
.level-card img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.level-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 100%);
  padding: 20px 16px 12px;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.level-coming-soon {
  background: var(--color-surface2);
  display: flex;
  align-items: center;
  justify-content: center;
}
.coming-soon-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--color-muted);
  font-size: 0.9rem;
  text-align: center;
}
.cs-icon { font-size: 2.5rem; }

/* ── BETA / TESTFLIGHT ───────────────────────────────────── */

.beta {
  padding: 100px 0;
  background: var(--color-surface);
}

.beta-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: center;
}

.beta-text {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.beta-text h2 { color: var(--color-text); }

.beta-perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.beta-perks li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-muted);
  font-size: 0.95rem;
}
.beta-perk-icon { font-size: 1.1rem; flex-shrink: 0; }

.beta-note {
  font-size: 0.82rem !important;
  color: var(--color-muted);
  padding: 12px 16px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.beta-qr-wrap {
  display: flex;
  justify-content: center;
}

.beta-qr-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), border-color var(--transition);
}
.beta-qr-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.beta-qr {
  width: 200px;
  height: 200px;
  object-fit: contain;
  border-radius: 8px;
  image-rendering: crisp-edges;
}

.beta-qr-label {
  font-size: 0.8rem !important;
  color: var(--color-muted) !important;
  text-align: center;
  letter-spacing: 0.02em;
}

/* ── CTA ─────────────────────────────────────────────────── */

.cta {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(245,200,66,0.12) 0%, transparent 70%);
}
.cta .container { position: relative; z-index: 1; }
.cta h2 { color: var(--color-text); margin-bottom: 16px; }
.cta p { margin-bottom: 32px; }
.cta-paws {
  width: 60px;
  opacity: 0.2;
  filter: invert(1);
  margin: 0 auto 24px;
}
.cta .btn-appstore { 
  margin: 0 auto; 
  margin-bottom: 20px;
}

/* ── FOOTER ──────────────────────────────────────────────── */

.footer {
  border-top: 1px solid var(--color-border);
  padding: 40px 0;
  background: var(--color-surface);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
}
.footer-icon { width: 32px; height: 32px; border-radius: 7px; }

.footer-links {
  list-style: none;
  display: flex;
  gap: 24px;
}
.footer-links a { color: var(--color-muted); font-size: 0.85rem; }
.footer-links a:hover { color: var(--color-text); }

.footer-copy {
  font-size: 0.78rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* ── SUPPORT PAGE ─────────────────────────────────────────── */

.support-hero {
  padding: 120px 24px 60px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.support-hero h1 { color: var(--color-text); margin-bottom: 16px; }
.support-subtitle {
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}
.support-icon-wrap { margin-bottom: 24px; }
.support-hero-icon {
  width: 80px; height: 80px;
  border-radius: 18px;
  margin: 0 auto;
  box-shadow: var(--shadow);
}

/* FAQ */
.faq { padding: 80px 0; }
.faq h2 { color: var(--color-text); margin-bottom: 40px; }

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item[open] { border-color: var(--color-primary); }

.faq-item summary {
  padding: 18px 20px;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
}
.faq-item summary::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-left: 12px;
  transition: transform var(--transition);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary::-webkit-details-marker { display: none; }

.faq-body {
  padding: 0 20px 18px;
  font-size: 0.93rem;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.faq-body ul { padding-left: 20px; display: flex; flex-direction: column; gap: 6px; }
.faq-body a { color: var(--color-primary); }

/* How to play */
.howto {
  padding: 80px 0;
  background: var(--color-surface);
}
.howto h2 { color: var(--color-text); margin-bottom: 48px; }

.howto-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.howto-step {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: center;
}
.step-number {
  width: 40px; height: 40px;
  background: var(--color-primary);
  color: var(--color-bg);
  font-weight: 800;
  font-size: 1rem;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto;
}
.step-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}
.howto-step h3 { color: var(--color-text); }
.howto-step p { font-size: 0.88rem; }

/* Contact */
.contact {
  padding: 80px 0;
}
.contact h2 { color: var(--color-text); margin-bottom: 12px; }
.contact-sub { margin-bottom: 40px; }

.contact-card {
  max-width: 480px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}
.contact-icon { font-size: 2.5rem; }
.contact-card h3 { color: var(--color-text); }

.btn-contact {
  display: inline-block;
  margin-top: 8px;
  padding: 12px 24px;
  background: var(--color-primary);
  color: var(--color-bg);
  font-weight: 700;
  border-radius: 12px;
  transition: opacity var(--transition);
}
.btn-contact:hover { opacity: 0.85; text-decoration: none; }

/* ── PRIVACY PAGE ─────────────────────────────────────────── */

.privacy-hero {
  padding: 120px 24px 60px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.privacy-hero h1 { color: var(--color-text); margin-bottom: 8px; }

.privacy-body { padding: 60px 0 100px; }

.prose {
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.prose h2 {
  color: var(--color-text);
  font-size: 1.3rem;
  margin-top: 16px;
}
.prose p { font-size: 0.95rem; }
.prose ul { padding-left: 20px; display: flex; flex-direction: column; gap: 8px; }
.prose li { color: var(--color-muted); font-size: 0.95rem; }
.prose a { color: var(--color-primary); }

/* ── SCROLL ANIMATIONS ───────────────────────────────────── */

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── FUN ANIMATIONS ──────────────────────────────────────── */

@keyframes float-bob {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50%       { transform: translateY(-18px) rotate(2deg); }
}
@keyframes logo-drop {
  0%   { opacity: 0; transform: translateY(-80px) scale(0.8); }
  70%  { transform: translateY(10px) scale(1.04); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes btn-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245,200,66,0.5); }
  50%       { box-shadow: 0 0 0 16px rgba(245,200,66,0); }
}
@keyframes paw-drift {
  0%   { opacity: 0; transform: translateY(0) rotate(0deg); }
  8%   { opacity: 0.12; }
  92%  { opacity: 0.07; }
  100% { opacity: 0; transform: translateY(-110vh) rotate(720deg); }
}
@keyframes wiggle {
  0%,100% { transform: rotate(0deg) scale(1); }
  15%     { transform: rotate(-18deg) scale(1.15); }
  30%     { transform: rotate(12deg) scale(1.08); }
  45%     { transform: rotate(-8deg); }
  60%     { transform: rotate(5deg); }
}
@keyframes shimmer-slide {
  0%   { background-position: -200% center; }
  100% { background-position:  200% center; }
}
@keyframes icon-bounce {
  0%, 100% { transform: translateY(0) scale(1); }
  35%       { transform: translateY(-10px) scale(1.2); }
  55%       { transform: translateY(-5px) scale(1.1); }
}
@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}
@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes cursor-paw-fade {
  0%   { opacity: 0.55; transform: scale(1) rotate(var(--rot)); }
  100% { opacity: 0;    transform: scale(0.2) translateY(-18px) rotate(var(--rot)); }
}
@keyframes glow-cta {
  0%, 100% { filter: drop-shadow(0 0 0px rgba(245,200,66,0)); }
  50%       { filter: drop-shadow(0 0 20px rgba(245,200,66,0.55)); }
}

/* Apply */
.about-icon-card { animation: float-bob 4s ease-in-out infinite; }
.hero-logo        { animation: logo-drop 0.9s cubic-bezier(0.34,1.56,0.64,1) both; }
.btn-appstore     { animation: btn-pulse 2.5s ease-in-out infinite; }
.paw-prints-decoration img { animation: wiggle 3s ease-in-out infinite; transform-origin: center; }
.cta-paws { animation: wiggle 2.5s ease-in-out infinite, glow-cta 2s ease-in-out infinite; }

/* Shimmer sweep on feature card hover */
.feature-card { position: relative; overflow: hidden; }
.feature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(245,200,66,0.1) 50%, transparent 65%);
  background-size: 200% 100%;
  border-radius: var(--radius);
  opacity: 0;
  pointer-events: none;
}
.feature-card:hover::after { opacity: 1; animation: shimmer-slide 0.7s ease forwards; }
.feature-icon { display: inline-block; }
.feature-card:hover .feature-icon { animation: icon-bounce 0.5s ease; }

/* Staggered card entrances */
.feature-card:nth-child(1) { transition-delay: 0.05s; }
.feature-card:nth-child(2) { transition-delay: 0.10s; }
.feature-card:nth-child(3) { transition-delay: 0.15s; }
.feature-card:nth-child(4) { transition-delay: 0.20s; }
.feature-card:nth-child(5) { transition-delay: 0.25s; }
.feature-card:nth-child(6) { transition-delay: 0.30s; }

.level-card:nth-child(1) { transition-delay: 0.00s; }
.level-card:nth-child(2) { transition-delay: 0.07s; }
.level-card:nth-child(3) { transition-delay: 0.14s; }
.level-card:nth-child(4) { transition-delay: 0.21s; }
.level-card:nth-child(5) { transition-delay: 0.28s; }
.level-card:nth-child(6) { transition-delay: 0.35s; }

/* Level cards pop in with bounce */
.level-card.fade-in {
  opacity: 0;
  transform: scale(0.88) translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.34,1.3,0.64,1);
}
.level-card.fade-in.visible { opacity: 1; transform: scale(1) translateY(0); }

/* Screenshots: alternate slide directions */
.screenshot-item:nth-child(odd).fade-in  { transform: translateX(-40px); }
.screenshot-item:nth-child(even).fade-in { transform: translateX(40px); }
.screenshot-item.fade-in.visible         { transform: translateX(0); }
.screenshot-item:nth-child(1) { transition-delay: 0.0s; }
.screenshot-item:nth-child(2) { transition-delay: 0.1s; }
.screenshot-item:nth-child(3) { transition-delay: 0.2s; }
.screenshot-item:nth-child(4) { transition-delay: 0.3s; }

/* Floating background paw prints (JS-spawned) */
.bg-paw {
  position: fixed;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  filter: invert(1);
  animation: paw-drift linear forwards;
}

/* Cursor trail */
.cursor-paw {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  width: 22px; height: 22px;
  opacity: 0;
  filter: invert(1) sepia(1) saturate(6);
  animation: cursor-paw-fade 0.8s ease forwards;
}

/* Typewriter cursor */
.typewriter-cursor {
  display: inline-block;
  width: 3px; height: 1em;
  background: var(--color-primary);
  margin-left: 3px;
  vertical-align: text-bottom;
  border-radius: 1px;
  animation: blink-cursor 0.8s step-end infinite;
}

/* Mystery ticker tape */
.ticker-wrap {
  background: var(--color-primary);
  overflow: hidden;
  white-space: nowrap;
  padding: 9px 0;
  position: relative;
  z-index: 99;
}
.ticker-track {
  display: inline-flex;
  animation: ticker-scroll 30s linear infinite;
}
.ticker-item {
  display: inline-block;
  padding: 0 28px;
  color: var(--color-bg);
  font-weight: 700;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav.scrolled {
  background: rgba(15, 13, 26, 0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

/* ── RESPONSIVE ──────────────────────────────────────────── */

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-icon-wrap { order: -1; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .levels-grid { grid-template-columns: repeat(2, 1fr); }
  .howto-grid { grid-template-columns: repeat(2, 1fr); }
  .beta-grid { grid-template-columns: 1fr; gap: 40px; }
  .beta-qr-wrap { order: -1; }
}

@media (max-width: 600px) {
  .nav-links { display: none; }
  .screenshots-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .levels-grid { grid-template-columns: 1fr; }
  .howto-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-logo { width: 70vw; }
}