/* =============================================
   DESIGN SYSTEM — Upgrade Gemini AI Pro
   Font: Inter | Icons: Lucide SVG
   ============================================= */

:root {
  --blue: #1a73e8;
  --blue-dark: #1557b0;
  --blue-light: #e8f0fe;
  --blue-mid: #c5d8fc;
  --green: #34a853;
  --green-light: #e6f4ea;
  --green-mid: #b7dfc5;
  --red: #ea4335;
  --orange: #fa7b17;
  --yellow: #fbbc04;
  --yellow-light: #fff8e1;
  --text: #1f1f1f;
  --text-muted: #5f6368;
  --text-light: #9aa0a6;
  --bg: #ffffff;
  --bg-alt: #f8f9fa;
  --border: #e8eaed;
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
  --shadow: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 28px rgba(0,0,0,0.10);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --section-py: 80px;
  --container-max: 1100px;
  --container-px: 24px;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --ease: 0.2s ease;
}

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

.container{max-width:var(--container-max);margin:0 auto;padding:0 var(--container-px)}
section{padding:var(--section-py) 0}
.section-tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:var(--blue);background:var(--blue-light);padding:4px 12px;border-radius:100px;margin-bottom:14px}
.section-title{font-size:clamp(22px,4vw,34px);font-weight:800;color:var(--text);line-height:1.2;letter-spacing:-0.02em;margin-bottom:14px}
.section-desc{font-size:16px;color:var(--text-muted);line-height:1.7;max-width:540px}
.text-center{text-align:center}
.text-center .section-desc{margin-left:auto;margin-right:auto}

.reveal{opacity:0;transform:translateY(28px);transition:opacity 0.65s ease,transform 0.65s ease}
.reveal.visible{opacity:1;transform:none}
.reveal-d1{transition-delay:.08s}
.reveal-d2{transition-delay:.16s}
.reveal-d3{transition-delay:.24s}
.reveal-d4{transition-delay:.32s}

/* NAVBAR */
.navbar{position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.navbar-inner{max-width:var(--container-max);margin:0 auto;padding:0 var(--container-px);display:flex;align-items:center;justify-content:space-between;height:62px}
.navbar-brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:15px;color:var(--text)}
.brand-gem{width:32px;height:32px;background:var(--blue);border-radius:9px;display:flex;align-items:center;justify-content:center;color:#fff}
.brand-gem svg{width:18px;height:18px;stroke-width:2}
.navbar-cta{display:inline-flex;align-items:center;gap:7px;background:var(--blue);color:white;padding:9px 18px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;transition:background var(--ease),transform var(--ease),box-shadow var(--ease);text-decoration:none}
.navbar-cta svg{width:15px;height:15px}
.navbar-cta:hover{background:var(--blue-dark);transform:translateY(-1px);box-shadow:0 4px 12px rgba(26,115,232,0.3)}

/* HERO */
.hero{padding:72px 0 80px;text-align:center;background:var(--bg)}
.hero-pill{display:inline-flex;align-items:center;gap:6px;background:var(--green-light);color:var(--green);border:1px solid var(--green-mid);border-radius:100px;padding:6px 14px;font-size:13px;font-weight:600;margin-bottom:24px}
.hero-pill svg{width:14px;height:14px}
.hero-title{font-size:clamp(30px,6vw,54px);font-weight:900;line-height:1.1;letter-spacing:-0.025em;color:var(--text);margin-bottom:18px;max-width:740px;margin-left:auto;margin-right:auto}
.hero-title .accent{color:var(--blue)}
.hero-title .accent-u{color:var(--blue);border-bottom:3px solid var(--blue);padding-bottom:2px}
.hero-sub{font-size:17px;color:var(--text-muted);max-width:500px;margin:0 auto 36px;line-height:1.7}
.hero-price-block{margin-bottom:32px}
.price-was{font-size:17px;color:var(--text-light);text-decoration:line-through;margin-bottom:4px}
.price-row{display:flex;align-items:center;justify-content:center;gap:14px}
.price-main{font-size:clamp(44px,9vw,68px);font-weight:900;color:var(--text);letter-spacing:-0.03em;line-height:1}
.price-tag{display:flex;flex-direction:column;gap:4px;align-items:flex-start}
.price-off{background:var(--red);color:white;font-size:13px;font-weight:700;padding:3px 10px;border-radius:100px}
.price-18m{font-size:13px;color:var(--text-light)}
.price-note{font-size:13px;color:var(--text-muted);margin-top:8px}
.hero-buttons{display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:36px}
.btn-wa{display:inline-flex;align-items:center;gap:10px;background:#25D366;color:white;padding:16px 32px;border-radius:var(--radius);font-size:16px;font-weight:700;transition:all var(--ease);box-shadow:0 4px 20px rgba(37,211,102,.35);text-decoration:none}
.btn-wa svg{width:20px;height:20px}
.btn-wa:hover{background:#20b958;transform:translateY(-2px);box-shadow:0 8px 28px rgba(37,211,102,.45)}
.btn-ghost{display:inline-flex;align-items:center;gap:7px;color:var(--blue);border:1.5px solid var(--blue-mid);padding:11px 22px;border-radius:var(--radius);font-size:14px;font-weight:600;transition:all var(--ease);text-decoration:none}
.btn-ghost svg{width:16px;height:16px}
.btn-ghost:hover{background:var(--blue-light)}
.trust-row{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:18px;margin-bottom:40px}
.trust-item{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:500;color:var(--text-muted)}
.trust-item svg{width:15px;height:15px;color:var(--green)}
.countdown-box{display:inline-block;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:16px 28px}
.countdown-label{font-size:11px;font-weight:700;color:var(--text-muted);letter-spacing:1px;text-transform:uppercase;margin-bottom:10px;display:flex;align-items:center;justify-content:center;gap:5px}
.countdown-label svg{width:13px;height:13px;color:var(--orange)}
.countdown-digits{display:flex;align-items:center;justify-content:center;gap:6px}
.cd-unit{text-align:center;min-width:44px}
.cd-num{display:block;font-size:30px;font-weight:800;color:var(--text);line-height:1;font-variant-numeric:tabular-nums}
.cd-lbl{display:block;font-size:10px;color:var(--text-light);margin-top:3px;font-weight:500}
.cd-sep{font-size:26px;font-weight:700;color:var(--text-muted);margin-bottom:14px;line-height:1}

/* FEATURES */
.features{background:var(--bg-alt)}
.features-header{margin-bottom:48px}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feat-card{background:white;border:1px solid var(--border);border-radius:var(--radius);padding:22px;transition:all var(--ease)}
.feat-card:hover{border-color:var(--blue-mid);box-shadow:var(--shadow);transform:translateY(-2px)}
.feat-card.highlight{border-color:var(--blue-mid);background:linear-gradient(135deg,var(--blue-light) 0%,#fff 60%)}
.feat-card.highlight .feat-icon{background:var(--blue);color:white}
.feat-icon{width:44px;height:44px;background:var(--blue-light);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--blue);margin-bottom:14px}
.feat-icon svg{width:22px;height:22px;stroke-width:1.8}
.feat-name{font-size:13px;font-weight:700;color:var(--text);margin-bottom:5px}
.feat-desc{font-size:12px;color:var(--text-muted);line-height:1.5}

/* COMPARISON */
.comparison{background:var(--bg)}
.comparison-header{margin-bottom:48px}
.table-wrap{overflow-x:auto}
.compare-table{width:100%;border-collapse:separate;border-spacing:0;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border)}
.compare-table thead th{padding:18px 24px;font-size:14px;font-weight:700;text-align:center}
.compare-table thead th:first-child{text-align:left;background:var(--bg-alt);color:var(--text-muted);font-size:11px;letter-spacing:1px;text-transform:uppercase}
.th-normal{background:var(--bg-alt);color:var(--text);border-left:1px solid var(--border)}
.th-promo{background:var(--blue);color:white;border-left:1px solid rgba(255,255,255,0.15)}
.th-promo .th-sub{display:block;font-size:12px;font-weight:400;color:rgba(255,255,255,0.75);margin-top:2px}
.th-promo .th-badge{display:inline-block;background:var(--yellow);color:var(--text);font-size:10px;font-weight:700;padding:2px 8px;border-radius:100px;margin-top:5px}
.compare-table tbody td{padding:14px 24px;font-size:13px;border-top:1px solid var(--border)}
.compare-table tbody td:first-child{font-weight:500;color:var(--text)}
.compare-table tbody td:not(:first-child){text-align:center;border-left:1px solid var(--border)}
.compare-table tbody tr:nth-child(even) td{background:var(--bg-alt)}
.check-yes{display:inline-flex;align-items:center;gap:4px;color:var(--green);font-weight:600;font-size:13px}
.check-yes svg{width:15px;height:15px}
.check-no{display:inline-flex;align-items:center;color:var(--text-light)}
.check-no svg{width:15px;height:15px}
.price-promo-cell{font-size:20px;font-weight:900;color:var(--blue)}
.price-normal-cell{font-size:14px;color:var(--text)}

/* HOW IT WORKS */
.how{background:var(--bg-alt)}
.how-header{margin-bottom:56px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;position:relative}
.steps::before{content:'';position:absolute;top:35px;left:calc(16.5% + 24px);right:calc(16.5% + 24px);height:2px;background:repeating-linear-gradient(90deg,var(--blue-mid) 0,var(--blue-mid) 8px,transparent 8px,transparent 14px)}
.step{text-align:center;position:relative;z-index:1}
.step-circle{width:70px;height:70px;border-radius:50%;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;position:relative}
.step:nth-child(1) .step-circle{background:var(--blue-light);color:var(--blue);border:2px solid var(--blue-mid)}
.step:nth-child(2) .step-circle{background:var(--yellow-light);color:#e37400;border:2px solid #ffe082}
.step:nth-child(3) .step-circle{background:var(--green-light);color:var(--green);border:2px solid var(--green-mid)}
.step-circle svg{width:30px;height:30px;stroke-width:1.8}
.step-num{position:absolute;top:-6px;right:-6px;width:22px;height:22px;border-radius:50%;font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;background:var(--blue);color:white}
.step-title{font-size:17px;font-weight:700;color:var(--text);margin-bottom:8px}
.step-desc{font-size:13px;color:var(--text-muted);line-height:1.6}

/* TESTIMONIALS */
.testimonials{background:var(--bg)}
.testimonials-header{margin-bottom:48px}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.testi-card{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px;transition:all var(--ease)}
.testi-card:hover{box-shadow:var(--shadow);border-color:var(--blue-mid);transform:translateY(-2px)}
.testi-stars{display:flex;gap:3px;color:var(--yellow);margin-bottom:14px}
.testi-stars svg{width:15px;height:15px;fill:currentColor;stroke:none}
.testi-text{font-size:14px;color:var(--text);line-height:1.75;font-style:italic;margin-bottom:18px}
.testi-text::before{content:'\201C'}
.testi-text::after{content:'\201D'}
.testi-author{display:flex;align-items:center;gap:11px}
.testi-avatar{width:38px;height:38px;border-radius:50%;color:white;font-size:15px;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.testi-name{font-size:13px;font-weight:700;color:var(--text)}
.testi-meta{font-size:12px;color:var(--text-muted)}
.testi-verified{display:flex;align-items:center;gap:3px;font-size:11px;color:var(--green);font-weight:600;margin-top:1px}
.testi-verified svg{width:12px;height:12px}

/* FAQ */
.faq{background:var(--bg-alt)}
.faq-header{margin-bottom:48px}
.faq-list{max-width:700px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{background:white;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color var(--ease)}
.faq-item.open{border-color:var(--blue-mid)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 22px;font-size:14px;font-weight:600;color:var(--text);text-align:left;transition:color var(--ease)}
.faq-item.open .faq-q{color:var(--blue)}
.faq-chevron{flex-shrink:0;width:18px;height:18px;color:var(--text-muted);transition:transform 0.3s ease,color var(--ease)}
.faq-item.open .faq-chevron{transform:rotate(180deg);color:var(--blue)}
.faq-a{overflow:hidden;max-height:0;transition:max-height 0.35s ease}
.faq-a-inner{padding:0 22px 18px;font-size:13px;color:var(--text-muted);line-height:1.75}
.faq-item.open .faq-a{max-height:300px}

/* GUARANTEE */
.guarantee{background:linear-gradient(135deg,#1a73e8 0%,#1050b0 100%);padding:80px 0}
.guarantee-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.guarantee-content .section-tag{background:rgba(255,255,255,0.15);color:white}
.guarantee-content .section-title{color:white}
.guarantee-content .section-desc{color:rgba(255,255,255,0.78)}
.g-points{margin-top:28px;display:flex;flex-direction:column;gap:18px}
.g-point{display:flex;align-items:flex-start;gap:12px}
.g-point-icon{width:30px;height:30px;background:rgba(255,255,255,0.14);border-radius:50%;display:flex;align-items:center;justify-content:center;color:white;flex-shrink:0}
.g-point-icon svg{width:16px;height:16px}
.g-point-body{font-size:14px;color:rgba(255,255,255,0.85);line-height:1.6}
.g-point-body strong{color:white;display:block;font-weight:600;margin-bottom:1px}
.g-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.g-card{background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.18);border-radius:var(--radius);padding:22px;text-align:center;transition:background var(--ease)}
.g-card:hover{background:rgba(255,255,255,0.16)}
.g-card-icon{color:white;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.g-card-icon svg{width:32px;height:32px;stroke-width:1.5}
.g-card-title{font-size:13px;font-weight:700;color:white;margin-bottom:6px}
.g-card-desc{font-size:12px;color:rgba(255,255,255,0.65);line-height:1.5}

/* ORDER */
.order-section{background:var(--bg)}
.order-inner{max-width:580px;margin:0 auto;text-align:center}
.order-header{margin-bottom:36px}
.order-form{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius-xl);padding:40px;text-align:left}
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:7px}
.form-input{width:100%;padding:12px 15px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:14px;font-family:var(--font);color:var(--text);background:white;outline:none;transition:border-color var(--ease),box-shadow var(--ease)}
.form-input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(26,115,232,0.1)}
.form-input::placeholder{color:var(--text-light)}
.btn-submit{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;background:#25D366;color:white;padding:16px 32px;border-radius:var(--radius);font-size:16px;font-weight:700;transition:all var(--ease);box-shadow:0 4px 20px rgba(37,211,102,.3);margin-top:6px}
.btn-submit svg{width:20px;height:20px}
.btn-submit:hover{background:#20b958;transform:translateY(-2px);box-shadow:0 8px 28px rgba(37,211,102,.45)}
.form-footer{display:flex;align-items:center;justify-content:center;gap:5px;font-size:12px;color:var(--text-muted);margin-top:14px}
.form-footer svg{width:13px;height:13px;color:var(--green)}

/* FOOTER */
.site-footer{background:#1f1f1f;padding:28px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.footer-brand{display:flex;align-items:center;gap:8px;color:white;font-weight:700;font-size:14px}
.footer-gem{width:28px;height:28px;background:var(--blue);border-radius:7px;display:flex;align-items:center;justify-content:center;color:white}
.footer-gem svg{width:15px;height:15px}
.footer-copy{font-size:12px;color:rgba(255,255,255,0.4);text-align:center}
.footer-links{display:flex;gap:16px}
.footer-links a{font-size:12px;color:rgba(255,255,255,0.45);transition:color var(--ease)}
.footer-links a:hover{color:white}

/* RESPONSIVE */
@media(max-width:1024px){
  .features-grid{grid-template-columns:repeat(3,1fr)}
  .guarantee-inner{grid-template-columns:1fr;gap:40px}
}
@media(max-width:768px){
  :root{--section-py:56px;--container-px:18px}
  .hero{padding:48px 0 60px}
  .features-grid{grid-template-columns:repeat(2,1fr);gap:13px}
  .feat-card{padding:18px}
  .steps{grid-template-columns:1fr;gap:28px}
  .steps::before{display:none}
  .testi-grid{grid-template-columns:1fr}
  .table-wrap{overflow-x:auto}
  .compare-table{min-width:520px}
  .guarantee-inner{grid-template-columns:1fr;gap:36px}
  .g-cards{grid-template-columns:1fr 1fr}
  .footer-inner{flex-direction:column;text-align:center}
  .order-form{padding:28px 20px}
}
@media(max-width:480px){
  :root{--container-px:14px}
  .hero-title{font-size:28px}
  .hero-sub{font-size:15px}
  .price-main{font-size:44px}
  .features-grid{grid-template-columns:repeat(2, 1fr);gap:10px}
  .feat-card{padding:14px 12px;border-radius:10px}
  .feat-icon{width:36px;height:36px;border-radius:8px;margin-bottom:10px}
  .feat-icon svg{width:18px;height:18px}
  .feat-name{font-size:12px;margin-bottom:4px;line-height:1.3}
  .feat-desc{font-size:11px;line-height:1.4}
  .g-cards{grid-template-columns:repeat(2, 1fr);gap:10px}
  .g-card{padding:14px 10px}
  .g-card-icon svg{width:24px;height:24px}
  .g-card-title{font-size:12px}
  .g-card-desc{font-size:11px}
  .trust-row{gap:10px}
  .cd-num{font-size:26px}
  .countdown-box{padding:14px 18px}
}