/* ===== GOLDIFY.ID — MOBILE-FIRST CSS ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@400;500;600;700;800&display=swap');

/* ---------- Design Tokens ---------- */
:root {
  --gold: #C9A84C;
  --gold-light: #F5D76E;
  --gold-dark: #A08030;
  --bg-primary: #09090F;
  --bg-secondary: #111118;
  --bg-card: #16161F;
  --bg-card-hover: #1E1E2A;
  --text-primary: #FFFFFF;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  --border: rgba(201,168,76,0.15);
  --border-strong: rgba(201,168,76,0.3);
  --glass: rgba(22,22,31,0.7);
  --glass-border: rgba(201,168,76,0.1);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow-gold: 0 0 60px rgba(201,168,76,0.08);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-body: 'Inter', system-ui, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;font-size:16px}
body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}

/* ---------- Utility ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:60px 0}
.gold-text{background:linear-gradient(135deg,var(--gold),var(--gold-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:100px;font-size:12px;font-weight:600;letter-spacing:0.5px;text-transform:uppercase}
.badge-gold{background:rgba(201,168,76,0.12);color:var(--gold);border:1px solid rgba(201,168,76,0.2)}
.section-label{text-align:center;margin-bottom:12px}
.section-title{font-family:var(--font-heading);font-size:28px;font-weight:700;text-align:center;margin-bottom:16px;line-height:1.25}
.section-subtitle{text-align:center;color:var(--text-secondary);font-size:15px;max-width:560px;margin:0 auto 40px;line-height:1.7}

/* ---------- Animations ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
@keyframes pulse-gold{0%,100%{box-shadow:0 0 0 0 rgba(201,168,76,0.3)}50%{box-shadow:0 0 0 12px rgba(201,168,76,0)}}
@keyframes spin{to{transform:rotate(360deg)}}

.animate-on-scroll{opacity:0;transform:translateY(30px);transition:opacity 0.6s ease,transform 0.6s ease}
.animate-on-scroll.visible{opacity:1;transform:translateY(0)}
.animate-on-scroll.visible:nth-child(2){transition-delay:0.1s}
.animate-on-scroll.visible:nth-child(3){transition-delay:0.2s}
.animate-on-scroll.visible:nth-child(4){transition-delay:0.3s}
.animate-on-scroll.visible:nth-child(5){transition-delay:0.4s}
.animate-on-scroll.visible:nth-child(6){transition-delay:0.5s}

/* ---------- Navbar ---------- */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:16px 0;transition:var(--transition)}
.navbar.scrolled{background:rgba(9,9,15,0.92);backdrop-filter:blur(20px);border-bottom:1px solid var(--glass-border);padding:10px 0}
.navbar .container{display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px;font-family:var(--font-heading);font-size:22px;font-weight:700}
.nav-logo svg{width:32px;height:32px}
.nav-logo .brand-icon{width:32px;height:32px;display:block;flex-shrink:0}
.nav-links{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(9,9,15,0.98);flex-direction:column;align-items:center;justify-content:center;gap:28px;z-index:999}
.nav-links.active{display:flex}
.nav-links a{font-size:16px;font-weight:500;color:var(--text-secondary);transition:var(--transition)}
.nav-links a:hover{color:var(--gold)}
.nav-cta{display:none}
.nav-cta .btn-primary{padding:10px 24px;font-size:14px}
.hamburger{display:flex;flex-direction:column;gap:5px;z-index:1001;padding:4px}
.hamburger span{width:24px;height:2px;background:var(--text-primary);border-radius:2px;transition:var(--transition)}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ---------- Buttons ---------- */
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 32px;background:linear-gradient(135deg,var(--gold),var(--gold-light));color:#0A0A0F;font-weight:700;font-size:15px;border-radius:var(--radius-sm);transition:var(--transition);border:none;white-space:nowrap}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(201,168,76,0.3)}
.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 32px;background:transparent;color:var(--text-primary);font-weight:600;font-size:15px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);transition:var(--transition);white-space:nowrap}
.btn-secondary:hover{background:rgba(201,168,76,0.08);border-color:var(--gold)}
.btn-sm{padding:10px 20px;font-size:13px}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:100px 0 60px;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 30% 20%,rgba(201,168,76,0.06) 0%,transparent 50%);pointer-events:none}
#particle-canvas{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0}
.hero .container{position:relative;z-index:1}
.hero-content{text-align:center}
.hero-badge{margin-bottom:20px;animation:fadeUp 0.6s ease forwards}
.hero-title{font-family:var(--font-heading);font-size:36px;font-weight:800;line-height:1.15;margin-bottom:20px;animation:fadeUp 0.6s ease 0.15s forwards;opacity:0}
.hero-desc{color:var(--text-secondary);font-size:16px;line-height:1.7;max-width:500px;margin:0 auto 32px;animation:fadeUp 0.6s ease 0.3s forwards;opacity:0}
.hero-buttons{display:flex;flex-direction:column;gap:12px;align-items:center;animation:fadeUp 0.6s ease 0.45s forwards;opacity:0}
.demo-note{color:var(--text-muted);font-size:13px;line-height:1.6;max-width:460px;margin:14px auto 0;animation:fadeUp 0.6s ease 0.55s forwards;opacity:0}
.hero-image{margin-top:40px;animation:fadeUp 0.8s ease 0.6s forwards;opacity:0}
.hero-image img{border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-gold)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:32px;animation:fadeUp 0.8s ease 0.75s forwards;opacity:0}
.hero-stat{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 12px;text-align:center}
.hero-stat-value{font-size:22px;font-weight:800;margin-bottom:2px}
.hero-stat-label{font-size:11px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:0.5px}

/* ---------- Trusted ---------- */
.trusted{padding:40px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.trusted-label{text-align:center;font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:24px}
.trusted-logos{display:flex;flex-wrap:wrap;justify-content:center;gap:24px;align-items:center;opacity:0.5}
.trusted-logos span{font-family:var(--font-heading);font-size:16px;font-weight:600;color:var(--text-secondary)}

/* ---------- Features Grid ---------- */
.features-grid{display:grid;grid-template-columns:1fr;gap:16px}
.feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;transition:var(--transition);position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:0;transition:var(--transition)}
.feature-card:hover{border-color:var(--border-strong);transform:translateY(-4px);background:var(--bg-card-hover)}
.feature-card:hover::before{opacity:1}
.feature-icon{width:48px;height:48px;border-radius:12px;background:rgba(201,168,76,0.1);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--gold);font-size:22px}
.feature-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.feature-card p{font-size:14px;color:var(--text-secondary);line-height:1.65}

/* ---------- Feature Showcase ---------- */
.showcase{padding:60px 0}
.showcase-item{display:flex;flex-direction:column;gap:32px;margin-bottom:60px;align-items:center}
.showcase-item:last-child{margin-bottom:0}
.showcase-text{text-align:center}
.showcase-text .badge{margin-bottom:12px}
.showcase-text h3{font-family:var(--font-heading);font-size:26px;font-weight:700;margin-bottom:12px;line-height:1.25}
.showcase-text p{color:var(--text-secondary);font-size:15px;line-height:1.7;margin-bottom:20px}
.showcase-checklist{display:flex;flex-direction:column;gap:10px}
.showcase-checklist li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-secondary)}
.showcase-checklist li svg{color:var(--gold);flex-shrink:0}
.showcase-image{width:100%}
.showcase-image img{border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-gold);width:100%}

/* ---------- Pricing ---------- */
.pricing-toggle{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:36px}
.pricing-toggle span{font-size:14px;color:var(--text-secondary);font-weight:500}
.pricing-toggle span.active{color:var(--text-primary)}
.toggle-switch{width:52px;height:28px;background:var(--bg-card);border:1px solid var(--border);border-radius:100px;position:relative;cursor:pointer;transition:var(--transition)}
.toggle-switch::after{content:'';position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:var(--gold);transition:var(--transition)}
.toggle-switch.yearly::after{left:27px}
.pricing-save{font-size:12px;color:var(--gold);font-weight:600;background:rgba(201,168,76,0.12);padding:3px 10px;border-radius:100px}
.pricing-grid{display:grid;grid-template-columns:1fr;gap:20px;max-width:800px;margin:0 auto}
.pricing-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 24px;position:relative;transition:var(--transition)}
.pricing-card.popular{border-color:var(--gold);background:linear-gradient(180deg,rgba(201,168,76,0.06) 0%,var(--bg-card) 40%)}
.pricing-card.popular::before{content:'POPULER';position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--gold),var(--gold-light));color:#0A0A0F;font-size:11px;font-weight:800;padding:5px 20px;border-radius:100px;letter-spacing:1px}
.pricing-name{font-size:18px;font-weight:700;margin-bottom:4px}
.pricing-desc{font-size:13px;color:var(--text-muted);margin-bottom:20px}
.pricing-price{font-size:36px;font-weight:800;margin-bottom:4px}
.pricing-price span{font-size:15px;font-weight:400;color:var(--text-secondary)}
.pricing-period{font-size:13px;color:var(--text-muted);margin-bottom:24px}
.pricing-features{display:flex;flex-direction:column;gap:12px;margin-bottom:28px}
.pricing-features li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-secondary)}
.pricing-features li svg{color:var(--gold);flex-shrink:0;margin-top:2px}
.pricing-features li.disabled{opacity:0.35}
.pricing-features li.disabled svg{color:var(--text-muted)}

/* ---------- Testimonials ---------- */
.testimonials-grid{display:grid;grid-template-columns:1fr;gap:16px}
.testimonial-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:var(--transition)}
.testimonial-card:hover{border-color:var(--border-strong)}
.testimonial-stars{display:flex;gap:3px;margin-bottom:14px;color:var(--gold)}
.testimonial-text{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:18px;font-style:italic}
.testimonial-author{display:flex;align-items:center;gap:12px}
.testimonial-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold-light));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;color:#0A0A0F}
.testimonial-name{font-size:14px;font-weight:600}
.testimonial-role{font-size:12px;color:var(--text-muted)}

/* ---------- FAQ ---------- */
.faq-list{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;transition:var(--transition)}
.faq-item.active{border-color:var(--border-strong)}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;cursor:pointer;font-size:15px;font-weight:600;transition:var(--transition);width:100%;text-align:left;color:var(--text-primary)}
.faq-question:hover{color:var(--gold)}
.faq-question svg{flex-shrink:0;transition:var(--transition);color:var(--text-muted)}
.faq-item.active .faq-question svg{transform:rotate(180deg);color:var(--gold)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.35s ease}
.faq-answer-inner{padding:0 20px 18px;font-size:14px;color:var(--text-secondary);line-height:1.7}

/* ---------- CTA Section ---------- */
.cta-section{position:relative;text-align:center;padding:80px 0;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(201,168,76,0.08) 0%,transparent 70%);pointer-events:none}
.cta-section .container{position:relative;z-index:1}
.cta-title{font-family:var(--font-heading);font-size:30px;font-weight:700;margin-bottom:16px;line-height:1.25}
.cta-desc{color:var(--text-secondary);font-size:15px;max-width:500px;margin:0 auto 32px;line-height:1.7}
.cta-buttons{display:flex;flex-direction:column;gap:12px;align-items:center}
.demo-note-cta{animation:none;opacity:1}

/* ---------- Footer ---------- */
.footer{background:var(--bg-secondary);border-top:1px solid var(--border);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;margin-bottom:40px}
.footer-brand{max-width:300px}
.footer-brand .nav-logo{margin-bottom:14px}
.footer-brand p{font-size:14px;color:var(--text-secondary);line-height:1.7}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:14px;text-transform:uppercase;letter-spacing:0.5px}
.footer-col a{display:block;font-size:14px;color:var(--text-secondary);padding:5px 0;transition:var(--transition)}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;flex-direction:column;gap:12px;align-items:center;text-align:center}
.footer-bottom p{font-size:13px;color:var(--text-muted)}
.footer-socials{display:flex;gap:12px}
.footer-socials a{width:36px;height:36px;border-radius:50%;background:var(--bg-card);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:var(--transition)}
.footer-socials a:hover{color:var(--gold);border-color:var(--gold)}

/* ========== TABLET (≥640px) ========== */
@media(min-width:640px){
  .container{padding:0 32px}
  .section{padding:80px 0}
  .section-title{font-size:34px}
  .hero-title{font-size:44px}
  .hero-buttons{flex-direction:row;justify-content:center}
  .features-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .pricing-grid{grid-template-columns:repeat(2,1fr)}
  .testimonials-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .cta-buttons{flex-direction:row;justify-content:center}
}

/* ========== DESKTOP (≥1024px) ========== */
@media(min-width:1024px){
  .container{padding:0 48px}
  .section{padding:100px 0}
  .section-title{font-size:40px}
  .section-subtitle{font-size:17px}
  .hero{min-height:100vh;padding:120px 0 80px}
  .hero-title{font-size:56px}
  .hero-desc{font-size:18px}
  .hero-stat-value{font-size:28px}
  .hero-stat-label{font-size:12px}
  .nav-links{display:flex;position:static;background:none;flex-direction:row;gap:32px}
  .nav-cta{display:block}
  .hamburger{display:none}
  .features-grid{grid-template-columns:repeat(3,1fr);gap:24px}
  .showcase-item{flex-direction:row;text-align:left}
  .showcase-item:nth-child(even){flex-direction:row-reverse}
  .showcase-text{flex:1;text-align:left}
  .showcase-image{flex:1}
  .testimonials-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}
  .footer-bottom{flex-direction:row;justify-content:space-between}
  .cta-title{font-size:40px}
}

/* ========== Large Desktop (≥1280px) ========== */
@media(min-width:1280px){
  .hero-title{font-size:64px}
}