/* ============================================
   RPXEmulation — Landing Page
   Palette: #0a0a0a #121212 #c8102e #e50914 #8b0000
   ============================================ */

/* --- CSS Variables --- */
:root {
  --black: #0a0a0a;
  --black-soft: #121212;
  --black-card: #1a1a20;
  --black-elevated: #1e1e28;
  --red: #e50914;
  --red-dark: #8b0000;
  --red-bright: #c8102e;
  --red-glow: rgba(229, 9, 20, 0.35);
  --text: #f0f0f0;
  --text-secondary: #999999;
  --text-muted: #666666;
  --border: #2a2a2e;
  --border-light: #333340;
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --font-display: 'Orbitron', sans-serif;
  --font-secondary: 'Rajdhani', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --shadow-red: 0 0 30px rgba(229, 9, 20, 0.25);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --transition: 0.25s ease;
}

/* --- Reset --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; }
input, textarea { font-family: inherit; font-size: inherit; }

/* --- Container --- */
.container { width: min(1280px, 90%); margin: 0 auto; }
.container-narrow { width: min(920px, 90%); }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-secondary); font-weight: 700; letter-spacing: 0.6px;
  padding: 10px 22px; border-radius: var(--radius-sm); transition: all var(--transition);
  white-space: nowrap; position: relative; overflow: hidden;
}
.btn-sm { font-size: 0.9rem; padding: 8px 18px; }
.btn-lg { font-size: 1.1rem; padding: 16px 36px; border-radius: var(--radius); }
.btn-primary {
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  color: #fff; border: 1px solid transparent; box-shadow: var(--shadow-red);
}
.btn-primary:hover {
  box-shadow: 0 0 45px rgba(229, 9, 20, 0.5);
  transform: translateY(-2px);
}
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  background: transparent; color: var(--text); border: 1.5px solid var(--border-light);
}
.btn-outline:hover { border-color: var(--red); color: var(--red); }
.btn-ghost {
  background: transparent; color: var(--text-secondary); border-color: transparent;
}
.btn-ghost:hover { color: var(--text); }

/* --- Header --- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 1000;
  background: rgba(10, 10, 10, 0.92); backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(229, 9, 20, 0.12);
  transition: box-shadow var(--transition), background var(--transition);
}
.header::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--red-bright), var(--red-dark), transparent);
  opacity: 0.6;
}
.header.scrolled { box-shadow: 0 4px 40px rgba(0,0,0,0.8); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 80px; width: min(1280px, 90%); margin: 0 auto;
}
.logo { display: flex; align-items: center; gap: 10px; z-index: 1001; }
.logo img { width: 38px; height: 38px; border-radius: 8px; }
.logo span {
  font-family: var(--font-display); font-weight: 800; font-size: 1.25rem;
  letter-spacing: 2px; color: #fff;
  text-shadow: 0 0 20px rgba(229,9,20,0.3);
}
.nav { display: flex; gap: 36px; align-items: center; }
.nav a {
  font-size: 0.92rem; font-weight: 600; color: rgba(255,255,255,0.6);
  transition: color var(--transition); position: relative; padding: 6px 0;
  letter-spacing: 0.3px;
}
.nav a::after {
  content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 0; height: 2px; border-radius: 1px;
  background: var(--red-bright);
  transition: width var(--transition);
  box-shadow: 0 0 8px var(--red-glow);
}
.nav a:hover { color: #fff; }
.nav a:hover::after { width: 100%; }
.nav a.active { color: #fff; }
.nav a.active::after { width: 100%; }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; background: none; z-index: 1001; }
.hamburger span { display: block; width: 24px; height: 2.5px; background: #fff; border-radius: 2px; transition: all 0.3s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Hero --- */
.hero {
  position: relative; min-height: 100vh; padding: 120px 0 100px;
  display: flex; align-items: center; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero-bg img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.35); }
.hero::after {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: radial-gradient(ellipse at center, rgba(10,10,10,0.3) 0%, rgba(10,10,10,0.88) 100%);
}
.hero-grid {
  position: relative; z-index: 2; width: min(1280px, 90%); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero-text { max-width: 560px; }
.hero-badge {
  display: inline-block; padding: 6px 16px; border-radius: 20px;
  background: rgba(229,9,20,0.12); border: 1px solid rgba(229,9,20,0.25);
  color: var(--red); font-size: 0.85rem; font-weight: 600; margin-bottom: 24px;
  font-family: var(--font-secondary);
}
.hero-text h1 {
  font-family: var(--font-display); font-size: clamp(2rem, 5.5vw, 3.2rem);
  font-weight: 800; line-height: 1.15; letter-spacing: -0.5px; margin-bottom: 20px;
  color: #fff;
}
.hero-text h1 .accent {
  color: var(--red-bright);
  text-shadow: 0 0 30px var(--red-glow);
}
.hero-text p {
  font-size: 1.15rem; color: var(--text-secondary); margin-bottom: 34px;
  line-height: 1.7; max-width: 480px;
}
.hero-cta { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; margin-bottom: 40px; }
.hero-version { font-size: 0.9rem; color: var(--text-muted); padding-left: 14px; }
.hero-stats { display: flex; gap: 40px; }
.stat { display: flex; flex-direction: column; }
.stat strong { font-family: var(--font-display); font-size: 1.5rem; color: #fff; letter-spacing: 1px; }
.stat span { font-size: 0.85rem; color: var(--text-muted); }
.hero-visual { position: relative; }
.hero-mockup {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: 0 20px 60px rgba(229,9,20,0.15), 0 0 0 1px rgba(229,9,20,0.15);
  transition: transform var(--transition);
}
.hero-mockup:hover { transform: translateY(-6px); }
.hero-mockup img { width: 100%; height: auto; }

/* --- Sections --- */
.section { padding: 100px 0; }
.section-alt { background: var(--black-soft); }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 {
  font-family: var(--font-display); font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 800; letter-spacing: 1px; margin-bottom: 12px; color: #fff;
}
.section-header h2 .accent { color: var(--red-bright); }
.section-header p { color: var(--text-secondary); font-size: 1.05rem; }

/* --- Features List --- */
.features-list {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0 64px;
  position: relative;
}
.features-list::after {
  content: ''; position: absolute; top: 0; bottom: 0; left: 50%;
  width: 1px; background: var(--border);
}

.feature-item {
  display: flex; gap: 28px; padding: 36px 0;
  border-bottom: 1px solid var(--border);
}
.feature-item:nth-child(5) { border-bottom: none; }
.feature-item:nth-child(6) { border-bottom: none; }

.feature-num {
  flex-shrink: 0; width: 56px; padding-top: 2px;
}
.feature-num span {
  font-family: var(--font-display); font-size: 2.4rem; font-weight: 900;
  color: rgba(229,9,20,0.2); letter-spacing: -2px; user-select: none;
}

.feature-body { min-width: 0; }

.feature-body h3 {
  font-family: var(--font-secondary); font-size: 1.1rem; font-weight: 700;
  color: #fff; margin-bottom: 8px; line-height: 1.3;
  letter-spacing: 0.3px;
}
.feature-body h3 em {
  font-style: normal; color: var(--text-secondary); font-weight: 500;
}
.feature-body p {
  color: var(--text-secondary); font-size: 0.92rem; line-height: 1.7;
}
.feature-body p strong { color: var(--text); font-weight: 600; }

/* --- Performance Bars --- */
.perf-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.perf-card {
  background: var(--black-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
}
.perf-label {
  font-family: var(--font-secondary); font-weight: 700; font-size: 1.05rem;
  color: #fff; margin-bottom: 18px;
}
.perf-bar {
  display: flex; align-items: center; gap: 14px; margin-bottom: 12px;
  background: var(--black-soft); border-radius: var(--radius-sm); padding: 4px; height: 42px;
  position: relative;
}
.perf-fill {
  height: 34px; border-radius: 4px; display: flex; align-items: center;
  padding-left: 14px; font-size: 0.8rem; font-weight: 700; color: #fff;
  font-family: var(--font-secondary); letter-spacing: 0.5px;
  transition: width 1s ease-out;
}
.perf-fill-red { background: linear-gradient(90deg, var(--red-dark), var(--red-bright)); box-shadow: 0 0 12px var(--red-glow); }
.perf-fill-gray { background: linear-gradient(90deg, #333, #444); color: var(--text-secondary); }
.perf-bar > span {
  font-family: var(--font-display); font-size: 0.9rem; font-weight: 700;
  color: var(--text-secondary); min-width: 50px; text-align: right;
}

/* --- Requirements Cards --- */
.req-cards {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
  max-width: 860px; margin: 0 auto;
}
.req-card {
  background: var(--black-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px 30px;
}
.req-card-recommended {
  border-color: rgba(229,9,20,0.3);
  box-shadow: 0 0 30px rgba(229,9,20,0.06);
  position: relative;
}
.req-card-recommended::before {
  content: ''; position: absolute; inset: -1px; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(229,9,20,0.15), transparent 60%);
  pointer-events: none; z-index: 0;
}
.req-card-header { position: relative; z-index: 1; margin-bottom: 24px; }
.req-badge {
  display: inline-block; font-family: var(--font-display); font-size: 0.75rem;
  font-weight: 800; letter-spacing: 2px; text-transform: uppercase;
  padding: 5px 14px; border-radius: 4px;
  background: rgba(255,255,255,0.05); color: var(--text-secondary);
  border: 1px solid var(--border); margin-bottom: 10px;
}
.req-card-recommended .req-badge {
  background: rgba(229,9,20,0.12); color: var(--red-bright);
  border-color: rgba(229,9,20,0.3);
}
.req-card-header p { color: var(--text-muted); font-size: 0.9rem; }
.req-list { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 14px; }
.req-list li {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.04);
}
.req-list li:last-child { border-bottom: none; padding-bottom: 0; }
.req-list svg { flex-shrink: 0; margin-top: 1px; color: var(--text-muted); }
.req-card-recommended .req-list svg { color: var(--red-bright); opacity: 0.7; }
.req-list li > div { display: flex; flex-direction: column; gap: 2px; }
.req-label { color: var(--text); font-weight: 600; font-size: 0.95rem; }
.req-det { color: var(--text-muted); font-size: 0.82rem; }

/* --- About Section --- */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  margin-bottom: 40px;
}
.about-manifesto blockquote {
  border-left: 3px solid var(--red-bright); padding-left: 20px; margin-bottom: 22px;
}
.about-manifesto blockquote p {
  font-family: var(--font-secondary); font-size: 1.15rem; font-weight: 600;
  color: var(--text); line-height: 1.5; font-style: italic;
}
.about-manifesto > p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.75; }
.about-manifesto > p + p { margin-top: 14px; }
.about-values { display: flex; flex-direction: column; gap: 20px; }
.value-item { display: flex; gap: 16px; align-items: flex-start; }
.value-num {
  flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(229,9,20,0.15), rgba(139,0,0,0.1));
  border: 1px solid rgba(229,9,20,0.2); color: var(--red-bright);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 0.75rem; font-weight: 800;
  margin-top: 2px;
}
.value-item strong {
  display: block; color: #fff; font-family: var(--font-secondary); font-size: 0.98rem;
  font-weight: 700; margin-bottom: 3px; letter-spacing: 0.3px;
}
.value-item p { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.5; }

/* --- Notice Card --- */
.notice-card {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--black-card); border: 1px solid var(--border);
  border-left: 4px solid var(--red-bright); border-radius: var(--radius);
  padding: 22px 26px; color: var(--text-muted); font-size: 0.88rem;
  line-height: 1.7;
}
.notice-card strong { color: var(--text); }
.notice-card p { margin: 0; }

/* --- FAQ --- */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-list details {
  background: var(--black-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: border-color var(--transition);
}
.faq-list details[open] { border-color: rgba(229,9,20,0.4); }
.faq-list summary {
  cursor: pointer; list-style: none; padding: 20px 24px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-family: var(--font-secondary); font-weight: 700; font-size: 1.05rem;
  color: var(--text); transition: color var(--transition);
}
.faq-list summary:hover { color: var(--red-bright); }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: ''; width: 22px; height: 22px; flex-shrink: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='22' height='22' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='12' y1='5' x2='12' y2='19'/%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3C/svg%3E") center / contain no-repeat;
  transition: transform 0.3s, background-image 0.3s;
}
.faq-list details[open] summary { color: var(--red-bright); }
.faq-list details[open] summary::after {
  transform: rotate(45deg);
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='22' height='22' viewBox='0 0 24 24' fill='none' stroke='%23e50914' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='12' y1='5' x2='12' y2='19'/%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3C/svg%3E") center / contain no-repeat;
}
.faq-answer { padding: 0 24px 22px; color: var(--text-secondary); font-size: 0.98rem; line-height: 1.7; }

/* --- Screenshot Showcase --- */
.showcase-split {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center;
}
.showcase-image {
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
  cursor: pointer; transition: border-color var(--transition), transform var(--transition);
}
.showcase-image:hover { border-color: rgba(229,9,20,0.35); transform: translateY(-3px); }
.showcase-image img { width: 100%; height: auto; display: block; }
.showcase-points { display: flex; flex-direction: column; gap: 28px; }
.showcase-point { display: flex; gap: 18px; align-items: flex-start; }
.showcase-bullet {
  flex-shrink: 0; width: 38px; height: 38px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(229,9,20,0.18), rgba(139,0,0,0.12));
  border: 1px solid rgba(229,9,20,0.25);
  color: var(--red-bright); display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 0.85rem; font-weight: 800;
}
.showcase-point strong {
  display: block; color: #fff; font-family: var(--font-secondary); font-size: 1.02rem;
  font-weight: 700; letter-spacing: 0.3px; margin-bottom: 4px;
}
.showcase-point p {
  color: var(--text-secondary); font-size: 0.88rem; line-height: 1.6;
}

/* --- CTA Section --- */
.section-cta {
  padding: 120px 0;
  background: url('../img/bg.png') center/cover no-repeat;
  position: relative;
}
.section-cta::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(10,10,10,0.3) 0%, rgba(10,10,10,0.85) 100%);
}
.cta-box {
  text-align: center; background: rgba(10,10,10,0.75); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 56px 36px;
  box-shadow: 0 0 60px rgba(229,9,20,0.06);
  position: relative; z-index: 1; backdrop-filter: blur(8px);
}
.cta-box h2 {
  font-family: var(--font-display); font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800; letter-spacing: 1px; color: #fff; margin-bottom: 10px;
}
.cta-box > p { color: var(--text-secondary); font-size: 1.1rem; margin-bottom: 32px; }
.cta-download { margin-bottom: 18px; }
.btn-download {
  background: linear-gradient(135deg, var(--red-bright), var(--red-dark));
  color: #fff; padding: 18px 44px; font-size: 1.15rem;
  border-radius: var(--radius); box-shadow: 0 0 40px var(--red-glow);
  border: 1px solid rgba(255,255,255,0.1);
  transition: all 0.3s;
}
.btn-download:hover {
  box-shadow: 0 0 60px rgba(229,9,20,0.55);
  transform: translateY(-3px);
}
.cta-info { display: block; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 8px; }
.cta-hint { display: block; color: var(--text-muted); font-size: 0.85rem; opacity: 0.7; }

/* --- Contact Form --- */
.contact-form { max-width: 560px; margin: 0 auto; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-weight: 600; font-size: 0.92rem; color: var(--text); margin-bottom: 6px;
}
.form-group input,
.form-group textarea {
  width: 100%; padding: 14px 16px; background: var(--black-soft); border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text); font-size: 1rem;
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--red-bright); box-shadow: 0 0 0 3px rgba(229,9,20,0.1); }
.form-group textarea { resize: vertical; min-height: 140px; }
.form-message { margin-top: 16px; padding: 12px 16px; border-radius: var(--radius-sm); font-size: 0.92rem; display: none; }
.form-message.success { display: block; background: rgba(39,201,63,0.1); border: 1px solid rgba(39,201,63,0.3); color: #27c93f; }
.form-message.error { display: block; background: rgba(229,9,20,0.1); border: 1px solid rgba(229,9,20,0.3); color: var(--red-bright); }

/* --- Footer --- */
.footer {
  background: #080808; border-top: 1px solid rgba(229,9,20,0.1);
  padding: 60px 0 30px; font-size: 0.95rem;
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 48px;
  margin-bottom: 40px;
}
.footer-brand { color: var(--text-secondary); }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo img { width: 32px; height: 32px; border-radius: 8px; }
.footer-logo span { font-family: var(--font-display); font-weight: 800; color: #fff; letter-spacing: 1.5px; }
.footer-brand p { line-height: 1.65; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col strong { font-family: var(--font-secondary); color: #fff; font-size: 0.95rem; margin-bottom: 4px; }
.footer-col a { color: var(--text-secondary); transition: color var(--transition); font-size: 0.92rem; }
.footer-col a:hover { color: var(--red-bright); }
.footer-legal {
  background: rgba(229,9,20,0.04); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 18px 22px; margin-bottom: 22px;
  line-height: 1.7;
}
.footer-legal strong { color: var(--red-bright); }
.footer-legal p { color: var(--text-muted); font-size: 0.85rem; }
.footer-copy { text-align: center; color: var(--text-muted); font-size: 0.85rem; }

/* --- Page Hero (termos/privacidade/contato) --- */
.page-hero {
  padding: 150px 0 60px; text-align: center;
}
.page-hero h1 {
  font-family: var(--font-display); font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 800; letter-spacing: 1.5px; color: #fff; margin-bottom: 14px;
}
.page-hero h1 .accent { color: var(--red-bright); }
.page-hero p { color: var(--text-secondary); font-size: 1.05rem; }
.page-content {
  padding: 0 0 80px; font-size: 1rem; color: var(--text-secondary); line-height: 1.8;
}
.page-content h2 {
  font-family: var(--font-secondary); font-size: 1.3rem; font-weight: 700;
  color: #fff; margin: 32px 0 12px;
}
.page-content h3 {
  font-family: var(--font-secondary); font-size: 1.1rem; font-weight: 700;
  color: var(--text); margin: 24px 0 8px;
}
.page-content p { margin-bottom: 14px; }
.page-content ul { padding-left: 20px; margin-bottom: 14px; }
.page-content ul li { list-style: disc; margin-bottom: 6px; }

/* --- Lightbox --- */
.lightbox {
  position: fixed; inset: 0; z-index: 2000; background: rgba(0,0,0,0.92);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.lightbox.open { opacity: 1; pointer-events: auto; }
.lightbox img { max-width: 90vw; max-height: 85vh; border-radius: var(--radius); }
.lightbox-close {
  position: absolute; top: 24px; right: 24px; width: 44px; height: 44px;
  border-radius: 50%; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15);
  color: #fff; font-size: 1.3rem; display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.lightbox-close:hover { background: rgba(229,9,20,0.3); }

/* --- Responsive --- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; text-align: center; }
  .hero-text { max-width: 100%; }
  .hero-text p { max-width: 100%; }
  .hero-cta { align-items: center; }
  .hero-stats { justify-content: center; }
  .hero-mockup { max-width: 500px; margin: 0 auto; }
  .hamburger { display: flex; }
  .nav {
    position: fixed; top: 80px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: rgba(10,10,10,0.97); backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border); max-height: 0; overflow: hidden;
    transition: max-height 0.4s ease;
  }
  .nav.open { max-height: 400px; }
  .nav a { padding: 16px 24px; border-bottom: 1px solid var(--border); }
  .nav a::after { display: none; }
  .header .btn { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .features-grid { grid-template-columns: 1fr; }
  .perf-grid { grid-template-columns: 1fr; }
  .features-list { grid-template-columns: 1fr; }
  .features-list::after { display: none; }
  .feature-item { padding: 24px 0; }
  .feature-item:nth-child(5) { border-bottom: 1px solid var(--border); }
  .feature-item:nth-child(6) { border-bottom: none; }
  .showcase-split { grid-template-columns: 1fr; gap: 36px; }
  .req-cards { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 500px) {
  .hero-stats { flex-direction: column; gap: 16px; align-items: center; }
  .stat { flex-direction: row; gap: 8px; align-items: baseline; }
  .section { padding: 64px 0; }
  .header-inner { height: 68px; }
}