/* ============================================================
   HappyMods.app — Main Stylesheet
   Optimized for performance: mobile-first, no frameworks
   ============================================================ */

:root {
  --primary:    #4CAF50;
  --primary-dk: #388E3C;
  --accent:     #FF6B35;
  --dark:       #0d1117;
  --dark2:      #161b22;
  --dark3:      #21262d;
  --card:       #1c2128;
  --border:     #30363d;
  --text:       #e6edf3;
  --text-muted: #8b949e;
  --white:      #ffffff;
  --radius:     12px;
  --shadow:     0 4px 24px rgba(0,0,0,.4);
  --transition: .25s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--dark);color:var(--text);line-height:1.6;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--primary-dk)}
ul{list-style:none}

/* ── Typography ── */
h1{font-size:clamp(2rem,5vw,3.5rem);font-weight:800;line-height:1.15;letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3.5vw,2.4rem);font-weight:700;line-height:1.25}
h3{font-size:clamp(1.1rem,2.5vw,1.4rem);font-weight:600}
p{font-size:1rem;color:var(--text-muted)}

/* ── Layout Utilities ── */
.container{width:min(1200px,92vw);margin-inline:auto}
.section{padding:80px 0}
.section-sm{padding:48px 0}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}
.flex{display:flex;align-items:center}
.flex-wrap{flex-wrap:wrap}
.gap-sm{gap:12px}
.gap-md{gap:20px}
.text-center{text-align:center}
.text-green{color:var(--primary)}
.badge{display:inline-block;padding:4px 12px;border-radius:20px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}
.badge-green{background:rgba(76,175,80,.15);color:var(--primary);border:1px solid rgba(76,175,80,.3)}
.badge-orange{background:rgba(255,107,53,.15);color:var(--accent);border:1px solid rgba(255,107,53,.3)}
.highlight{color:var(--primary)}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:10px;font-size:1rem;font-weight:700;cursor:pointer;transition:all var(--transition);border:2px solid transparent;white-space:nowrap}
.btn-primary{background:var(--primary);color:var(--white)}
.btn-primary:hover{background:var(--primary-dk);color:var(--white);transform:translateY(-2px);box-shadow:0 8px 24px rgba(76,175,80,.4)}
.btn-secondary{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-secondary:hover{background:var(--primary);color:var(--white)}
.btn-accent{background:var(--accent);color:var(--white)}
.btn-accent:hover{background:#e55a28;color:var(--white);transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,107,53,.4)}
.btn-lg{padding:18px 40px;font-size:1.15rem;border-radius:12px}
.btn-sm{padding:8px 18px;font-size:.875rem}
.btn-icon svg{width:20px;height:20px;flex-shrink:0}

/* ── Navigation ── */
.navbar{position:sticky;top:0;z-index:1000;background:rgba(13,17,23,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);padding:14px 0}
.navbar .container{display:flex;align-items:center;justify-content:space-between;gap:20px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:800;color:var(--text)}
.nav-logo span{color:var(--primary)}
.nav-logo .logo-icon{width:36px;height:36px;background:var(--primary);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1.1rem}
.nav-logo-img{height:38px;width:auto;object-fit:contain;display:block}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a{padding:8px 14px;border-radius:8px;font-size:.9rem;font-weight:500;color:var(--text-muted);transition:all var(--transition)}
.nav-links a:hover,.nav-links a.active{color:var(--text);background:var(--dark3)}
.nav-cta{display:flex;gap:10px}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);border-radius:2px;transition:all var(--transition)}

/* ── Mobile Nav ── */
.mobile-menu{display:none;position:fixed;inset:0;z-index:999;background:var(--dark);padding:80px 24px 40px;flex-direction:column;gap:8px}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:14px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;color:var(--text);border-bottom:1px solid var(--border)}
.mobile-menu a:hover{background:var(--dark3);color:var(--primary)}

/* ── Hero ── */
.hero{position:relative;min-height:90vh;display:flex;align-items:center;overflow:hidden;background:linear-gradient(135deg,#0d1117 0%,#0f2027 50%,#0d1117 100%)}
.hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 50% -10%,rgba(76,175,80,.18),transparent),radial-gradient(ellipse 60% 40% at 80% 80%,rgba(255,107,53,.08),transparent);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:1}
.hero-eyebrow{margin-bottom:16px;display:flex;align-items:center;flex-wrap:wrap;gap:12px}
.hero-app-icon{width:56px;height:56px;object-fit:contain;border-radius:14px;box-shadow:0 4px 24px rgba(76,175,80,.35);flex-shrink:0}
.hero h1{margin-bottom:20px}
.hero-desc{font-size:1.15rem;color:var(--text-muted);margin-bottom:32px;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px}
.hero-stat strong{display:block;font-size:1.6rem;font-weight:800;color:var(--text)}
.hero-stat span{font-size:.85rem;color:var(--text-muted)}
.hero-visual{position:relative;display:flex;justify-content:center}
.phone-mockup{width:260px;background:var(--dark2);border-radius:36px;padding:12px;border:2px solid var(--border);box-shadow:var(--shadow),0 0 60px rgba(76,175,80,.12);position:relative;z-index:1}
.app-screenshot-hero{width:260px;height:auto;display:block;filter:drop-shadow(0 24px 48px rgba(76,175,80,.25));border-radius:20px;position:relative;z-index:1}
.phone-screen{background:var(--dark3);border-radius:26px;overflow:hidden;aspect-ratio:9/19}
.phone-notch{height:28px;background:var(--dark2);border-radius:0 0 18px 18px;width:40%;margin:0 auto;margin-bottom:-4px;position:relative;z-index:1}
.phone-app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:12px}
.phone-app{aspect-ratio:1;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.4rem}
.phone-app:nth-child(1){background:linear-gradient(135deg,#667eea,#764ba2)}
.phone-app:nth-child(2){background:linear-gradient(135deg,#f093fb,#f5576c)}
.phone-app:nth-child(3){background:linear-gradient(135deg,#4facfe,#00f2fe)}
.phone-app:nth-child(4){background:linear-gradient(135deg,#43e97b,#38f9d7)}
.phone-app:nth-child(5){background:linear-gradient(135deg,#fa709a,#fee140)}
.phone-app:nth-child(6){background:linear-gradient(135deg,#a18cd1,#fbc2eb)}
.phone-app:nth-child(7){background:linear-gradient(135deg,#ffecd2,#fcb69f)}
.phone-app:nth-child(8){background:linear-gradient(135deg,#ff9a9e,#fecfef)}
.phone-app:nth-child(9){background:linear-gradient(135deg,#a1c4fd,#c2e9fb)}
.phone-bottom-bar{height:4px;width:40%;background:var(--border);border-radius:2px;margin:8px auto}
.floating-cards{position:absolute;width:100%;height:100%;top:0;left:0;pointer-events:none}
.float-card{position:absolute;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:10px 14px;font-size:.8rem;box-shadow:var(--shadow);animation:float 4s ease-in-out infinite}
.float-card:nth-child(1){top:10%;right:-10px;animation-delay:0s}
.float-card:nth-child(2){bottom:20%;left:-20px;animation-delay:1.5s}
.float-card:nth-child(3){top:55%;right:-15px;animation-delay:3s}
.float-card .fc-label{color:var(--text-muted);font-size:.72rem}
.float-card strong{color:var(--primary)}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ── App Screenshots Gallery ── */
.screenshots-section{background:var(--dark2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.screenshots-row{display:flex;gap:28px;justify-content:center;align-items:flex-start;flex-wrap:wrap;margin-top:40px}
.screenshots-row img{width:220px;height:auto;border-radius:22px;box-shadow:0 12px 40px rgba(0,0,0,.5),0 0 0 1px var(--border);transition:transform .3s,box-shadow .3s}
.screenshots-row img:hover{transform:translateY(-8px) scale(1.03);box-shadow:0 24px 60px rgba(76,175,80,.2),0 0 0 1px var(--primary)}
/* ── Trust Bar ── */
.trust-bar{background:var(--dark2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:20px 0}
.trust-bar .container{display:flex;align-items:center;flex-wrap:wrap;gap:24px;justify-content:center}
.trust-item{display:flex;align-items:center;gap:8px;font-size:.9rem;color:var(--text-muted)}
.trust-item svg{color:var(--primary);flex-shrink:0}
.trust-divider{width:1px;height:24px;background:var(--border)}

/* ── Cards ── */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:all var(--transition)}
.card:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:var(--shadow)}
.card-icon{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:16px}
.card-icon-green{background:rgba(76,175,80,.15)}
.card-icon-blue{background:rgba(79,172,254,.15)}
.card-icon-orange{background:rgba(255,107,53,.15)}
.card-icon-purple{background:rgba(161,140,209,.15)}
.card-icon-pink{background:rgba(240,147,251,.15)}
.card-icon-teal{background:rgba(67,233,123,.15)}

/* ── Platform Section ── */
.platform-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.platform-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:40px;transition:all var(--transition);position:relative;overflow:hidden}
.platform-card::before{content:'';position:absolute;inset:0;opacity:0;transition:opacity var(--transition)}
.platform-card.android::before{background:linear-gradient(135deg,rgba(76,175,80,.05),transparent)}
.platform-card.ios::before{background:linear-gradient(135deg,rgba(79,172,254,.05),transparent)}
.platform-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.platform-card.android:hover{border-color:var(--primary)}
.platform-card.android:hover::before{opacity:1}
.platform-card.ios:hover{border-color:#4facfe}
.platform-card.ios:hover::before{opacity:1}
.platform-icon{font-size:3.5rem;margin-bottom:20px}
.platform-card h3{font-size:1.6rem;margin-bottom:10px}
.platform-card p{margin-bottom:24px}
.platform-features{display:flex;flex-direction:column;gap:10px;margin-bottom:28px}
.platform-feature{display:flex;align-items:center;gap:10px;font-size:.9rem;color:var(--text-muted)}
.platform-feature::before{content:'✓';color:var(--primary);font-weight:700;flex-shrink:0}

/* ── App Grid ── */
.apps-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}
.app-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:center;transition:all var(--transition);cursor:pointer}
.app-card:hover{border-color:var(--primary);transform:translateY(-3px)}
.app-icon{width:56px;height:56px;border-radius:14px;margin:0 auto 10px;display:flex;align-items:center;justify-content:center;font-size:1.8rem}
.app-name{font-size:.875rem;font-weight:600;color:var(--text);margin-bottom:4px}
.app-category{font-size:.75rem;color:var(--text-muted)}
.app-rating{font-size:.75rem;color:#f0c040;margin-top:4px}

/* ── Stats Section ── */
.stats-section{background:linear-gradient(135deg,rgba(76,175,80,.08),rgba(255,107,53,.05));border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0}
.stat-item{text-align:center;padding:48px 24px;border-right:1px solid var(--border)}
.stat-item:last-child{border-right:none}
.stat-number{font-size:clamp(2rem,4vw,3rem);font-weight:800;color:var(--primary);display:block;line-height:1}
.stat-label{font-size:.9rem;color:var(--text-muted);margin-top:8px}

/* ── Categories ── */
.categories-scroll{display:flex;gap:12px;overflow-x:auto;padding-bottom:8px;scrollbar-width:none}
.categories-scroll::-webkit-scrollbar{display:none}
.cat-pill{display:flex;align-items:center;gap:6px;padding:8px 16px;background:var(--dark3);border:1px solid var(--border);border-radius:20px;font-size:.85rem;font-weight:500;cursor:pointer;white-space:nowrap;transition:all var(--transition);color:var(--text-muted)}
.cat-pill:hover,.cat-pill.active{background:var(--primary);border-color:var(--primary);color:var(--white)}

/* ── Steps ── */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;position:relative}
.step{text-align:center;padding:32px 20px}
.step-num{width:56px;height:56px;border-radius:50%;background:var(--primary);color:var(--white);font-size:1.3rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;box-shadow:0 0 0 8px rgba(76,175,80,.12)}
.step h3{margin-bottom:10px}

/* ── FAQ ── */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:800px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:20px 24px;background:none;border:none;cursor:pointer;color:var(--text);font-size:1rem;font-weight:600;text-align:left;gap:12px;transition:all var(--transition)}
.faq-question:hover{color:var(--primary)}
.faq-icon{width:24px;height:24px;border-radius:50%;background:var(--dark3);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all var(--transition);font-size:1.1rem;color:var(--primary)}
.faq-item.open .faq-icon{background:var(--primary);color:var(--white);transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease}
.faq-answer.open{max-height:400px}
.faq-answer p{padding:0 24px 20px;font-size:.95rem}

/* ── Keywords section ── */
.keyword-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.kw-tag{padding:8px 16px;border-radius:20px;font-size:.85rem;font-weight:500;cursor:pointer;transition:all var(--transition)}
.kw-primary{background:rgba(76,175,80,.12);color:var(--primary);border:1px solid rgba(76,175,80,.25)}
.kw-primary:hover{background:var(--primary);color:var(--white)}
.kw-secondary{background:var(--dark3);color:var(--text-muted);border:1px solid var(--border)}
.kw-secondary:hover{border-color:var(--primary);color:var(--primary)}

/* ── Download Section ── */
.download-section{background:linear-gradient(135deg,#0f2027 0%,#203a43 50%,#2c5364 100%);position:relative;overflow:hidden}
.download-section::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 50%,rgba(76,175,80,.15),transparent 70%);pointer-events:none}
.download-box{background:rgba(255,255,255,.04);border:1px solid rgba(76,175,80,.2);border-radius:20px;padding:60px 40px;text-align:center;position:relative;z-index:1;max-width:700px;margin:0 auto}
.download-version{font-size:.85rem;color:var(--text-muted);margin-top:12px}
.security-badges{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:28px}
.sec-badge{display:flex;align-items:center;gap:6px;padding:8px 14px;background:rgba(255,255,255,.05);border:1px solid var(--border);border-radius:8px;font-size:.8rem;color:var(--text-muted)}
.sec-badge svg{color:var(--primary)}

/* ── Testimonials ── */
.testimonial-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:all var(--transition)}
.testimonial-card:hover{border-color:var(--primary);transform:translateY(-4px)}
.testimonial-stars{font-size:1rem;color:#f0c040;margin-bottom:12px}
.testimonial-text{font-size:.95rem;color:var(--text);margin-bottom:16px;font-style:italic}
.testimonial-author{display:flex;align-items:center;gap:12px}
.author-avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700;color:var(--white)}
.author-name{font-size:.9rem;font-weight:600;color:var(--text)}
.author-device{font-size:.78rem;color:var(--text-muted)}

/* ── Breadcrumb ── */
.breadcrumb{padding:12px 0;font-size:.85rem;color:var(--text-muted)}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span{color:var(--text)}

/* ── CTA Banner ── */
.cta-banner{background:linear-gradient(135deg,var(--primary-dk),var(--primary));border-radius:20px;padding:48px 40px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:24px}
.cta-banner h2{font-size:clamp(1.4rem,3vw,2rem);color:var(--white)}
.cta-banner p{color:rgba(255,255,255,.8);margin-top:4px}

/* ── Footer ── */
.footer{background:var(--dark2);border-top:1px solid var(--border);padding:60px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand p{font-size:.9rem;margin-top:12px;max-width:280px}
.footer-col h4{font-size:.9rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:.9rem;color:var(--text-muted)}
.footer-col ul a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.footer-bottom p{font-size:.85rem;color:var(--text-muted)}
.footer-bottom-links{display:flex;gap:20px}
.footer-bottom-links a{font-size:.85rem;color:var(--text-muted)}
.footer-bottom-links a:hover{color:var(--primary)}
.footer-logo span{color:var(--primary)}

/* ── Sections headers ── */
.section-header{text-align:center;margin-bottom:56px}
.section-header .badge{margin-bottom:12px}
.section-header h2{margin-bottom:14px}
.section-header p{max-width:600px;margin:0 auto;font-size:1.05rem}

/* ── Comparison table ── */
.compare-table{width:100%;border-collapse:separate;border-spacing:0}
.compare-table th,.compare-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--border);font-size:.9rem}
.compare-table th{color:var(--text-muted);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;background:var(--dark2)}
.compare-table th:first-child{border-radius:12px 0 0 0}
.compare-table th:last-child{border-radius:0 12px 0 0}
.compare-table tr:last-child td{border-bottom:none}
.compare-table .check{color:var(--primary);font-size:1.1rem}
.compare-table .cross{color:#f85149;font-size:1.1rem}
.compare-table .highlight-col{background:rgba(76,175,80,.05)}
.compare-table .col-head{color:var(--primary);font-weight:700}

/* ── Article/Content ── */
.content-body h2{margin:32px 0 14px;font-size:1.5rem}
.content-body h3{margin:24px 0 10px;font-size:1.15rem}
.content-body p{margin-bottom:16px;color:var(--text)}
.content-body ul,.content-body ol{padding-left:20px;margin-bottom:16px;color:var(--text-muted)}
.content-body li{margin-bottom:8px}
.content-body strong{color:var(--text)}

/* ── Animations ── */
.fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ── Scroll top ── */
#scrollTop{position:fixed;bottom:28px;right:28px;width:44px;height:44px;background:var(--primary);color:var(--white);border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transform:translateY(20px);transition:all var(--transition);z-index:500;font-size:1.1rem}
#scrollTop.visible{opacity:1;transform:translateY(0)}
#scrollTop:hover{background:var(--primary-dk);transform:translateY(-2px)}

/* ── Cookie Banner ── */
.cookie-banner{position:fixed;bottom:0;left:0;right:0;background:var(--dark2);border-top:1px solid var(--border);padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;z-index:9999;flex-wrap:wrap;transform:translateY(100%);transition:transform .3s ease}
.cookie-banner.show{transform:translateY(0)}
.cookie-banner p{font-size:.875rem;color:var(--text-muted)}
.cookie-banner .btn-sm{flex-shrink:0}

/* ── Responsive ── */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .platform-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .section{padding:56px 0}
  .hero{min-height:auto;padding:60px 0}
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero-actions{justify-content:center}
  .hero-stats{justify-content:center}
  .hero-visual{display:none}
  .nav-links,.nav-cta{display:none}
  .hamburger{display:flex}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item{border-right:none;border-bottom:1px solid var(--border);padding:32px 16px}
  .stat-item:nth-child(odd){border-right:1px solid var(--border)}
  .stat-item:last-child{border-bottom:none}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-banner{text-align:center;justify-content:center}
  .trust-divider{display:none}
  .download-box{padding:40px 24px}
}
@media(max-width:480px){
  .stats-grid{grid-template-columns:1fr}
  .stat-item:nth-child(odd){border-right:none}
  .stat-item{border-bottom:1px solid var(--border)}
  .footer-grid{grid-template-columns:1fr}
  .hero h1{font-size:1.9rem}
}