:root{--blue: #0E6FA6;--blue-mid: #1487C4;--blue-soft: #4AA8DA;--ink: #0C1E29;--ink-soft: #33505F;--line: #E4EBF0;--bg: #FBFCFD;--bg-tint: #F2F7FA;--white: #ffffff;--amazon: #FF9900;--amazon-dk: #E88900;--radius: 14px;--shadow: 0 18px 50px rgba(12, 46, 66, .1);--shadow-sm: 0 2px 10px rgba(12, 46, 66, .06)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Helvetica Neue,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);line-height:1.65;background:var(--bg);-webkit-font-smoothing:antialiased;letter-spacing:-.006em}.container{width:100%;max-width:1120px;margin:0 auto;padding:0 24px}a{color:var(--blue);text-decoration:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:600;font-size:1rem;padding:15px 30px;border-radius:10px;border:none;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;letter-spacing:0}.btn:hover{transform:translateY(-2px)}.btn-amazon{background:var(--amazon);color:#1a1a1a;box-shadow:0 8px 22px #ff99004d}.btn-amazon:hover{background:var(--amazon-dk);box-shadow:0 12px 28px #ff990061}.btn-ghost{background:var(--white);color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-sm)}.btn-ghost:hover{border-color:var(--blue-soft);color:var(--blue)}header{position:sticky;top:0;z-index:50;background:#fbfcfdd9;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;height:68px}.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.28rem;color:var(--ink);letter-spacing:-.02em}.logo-mark{width:28px;height:28px}.nav-links{display:flex;gap:30px;align-items:center}.nav-links a{color:var(--ink-soft);font-weight:500;font-size:.95rem}.nav-links a:hover{color:var(--blue)}.nav-cta{background:var(--amazon);color:#1a1a1a!important;padding:10px 20px;border-radius:9px;font-weight:600}.nav-cta:hover{background:var(--amazon-dk)}@media (max-width: 780px){.nav-links a:not(.nav-cta){display:none}}.hero{background:linear-gradient(180deg,var(--white) 0%,var(--bg-tint) 100%);padding:84px 0 92px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}@media (max-width: 920px){.hero-grid{grid-template-columns:1fr;text-align:center;gap:40px}}.badge-patent{display:inline-flex;align-items:center;gap:9px;background:var(--white);color:var(--blue);font-weight:600;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;padding:7px 15px;border-radius:999px;border:1px solid var(--line);box-shadow:var(--shadow-sm);margin-bottom:26px}.badge-patent svg{width:15px;height:15px}.hero h1{font-size:clamp(2.15rem,4.4vw,3.3rem);line-height:1.08;letter-spacing:-.03em;font-weight:700}.hero h1 .accent{color:var(--blue)}.hero .sub{font-size:1.16rem;color:var(--ink-soft);margin:22px 0 32px;max-width:520px;font-weight:400}@media (max-width: 920px){.hero .sub{margin-left:auto;margin-right:auto}}.hero-cta{display:flex;gap:13px;flex-wrap:wrap}@media (max-width: 920px){.hero-cta{justify-content:center}}.trust-row{display:flex;gap:26px;margin-top:30px;flex-wrap:wrap;color:var(--ink-soft);font-size:.92rem;font-weight:500}@media (max-width: 920px){.trust-row{justify-content:center}}.trust-row span{display:inline-flex;align-items:center;gap:8px}.trust-row svg{width:17px;height:17px;color:var(--blue)}.hero-visual{position:relative;display:flex;justify-content:center}.stage{position:relative;width:100%;max-width:420px;aspect-ratio:1 / 1;background:radial-gradient(120% 110% at 50% 22%,#fff,#eaf3f9 60%,#dcebf4);border-radius:26px;border:1px solid var(--line);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;overflow:hidden}.stage:after{content:"";position:absolute;bottom:16%;left:50%;transform:translate(-50%);width:52%;height:26px;background:radial-gradient(50% 50% at 50% 50%,#0c2e4238,#0c2e4200);filter:blur(2px)}.product-svg{width:74%;height:auto;position:relative;z-index:2}.patent-chip{position:absolute;top:18px;left:18px;z-index:3;display:inline-flex;align-items:center;gap:7px;background:#0c1e29db;color:#fff;font-size:.72rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:7px 13px;border-radius:999px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.patent-chip svg{width:13px;height:13px}.stage-caption{position:absolute;bottom:20px;left:0;right:0;z-index:3;text-align:center;font-size:.82rem;color:var(--ink-soft);font-weight:500}section{padding:88px 0}.section-head{text-align:center;max-width:640px;margin:0 auto 56px}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.76rem;font-weight:600;color:var(--blue);margin-bottom:14px}.section-head h2{font-size:clamp(1.7rem,3.3vw,2.4rem);letter-spacing:-.02em;line-height:1.15;font-weight:700}.section-head p{color:var(--ink-soft);font-size:1.08rem;margin-top:15px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}@media (max-width: 820px){.steps{grid-template-columns:1fr}}.step{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;text-align:left}.step-num{width:38px;height:38px;border-radius:10px;background:var(--bg-tint);color:var(--blue);display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem;margin-bottom:18px;border:1px solid var(--line)}.step h3{font-size:1.16rem;margin-bottom:9px;font-weight:650;letter-spacing:-.01em}.step p{color:var(--ink-soft);font-size:.98rem}.features-wrap{background:var(--bg-tint)}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}@media (max-width: 900px){.features{grid-template-columns:1fr 1fr}}@media (max-width: 600px){.features{grid-template-columns:1fr}}.feature{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px}.feature .ico{width:44px;height:44px;border-radius:11px;background:var(--bg-tint);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;margin-bottom:18px}.feature .ico svg{width:22px;height:22px;stroke:var(--blue)}.feature h3{font-size:1.1rem;margin-bottom:8px;font-weight:650;letter-spacing:-.01em}.feature p{color:var(--ink-soft);font-size:.97rem}.patent-banner{background:linear-gradient(135deg,#0c2635,#0e6fa6);color:#fff;border-radius:20px;padding:52px;display:grid;grid-template-columns:auto 1fr auto;gap:34px;align-items:center}@media (max-width: 880px){.patent-banner{grid-template-columns:1fr;text-align:center;gap:26px;padding:40px 30px}}.patent-seal{width:88px;height:88px;border-radius:50%;border:2px solid rgba(255,255,255,.45);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}@media (max-width: 880px){.patent-seal{margin:0 auto}}.patent-seal svg{width:34px;height:34px;stroke:#fff}.patent-seal .lbl{font-size:.58rem;letter-spacing:.12em;margin-top:4px;opacity:.85}.patent-banner h2{font-size:1.55rem;margin-bottom:10px;font-weight:650;letter-spacing:-.01em}.patent-banner p{color:#ffffffd1;max-width:560px;font-size:1rem}@media (max-width: 880px){.patent-banner p{margin:0 auto}}.patent-no{margin-top:12px;font-weight:600;color:#fff;font-size:.95rem;letter-spacing:.01em}.benefits-list{display:grid;grid-template-columns:1fr 1fr;gap:20px 44px;max-width:860px;margin:0 auto}@media (max-width: 700px){.benefits-list{grid-template-columns:1fr}}.benefit-item{display:flex;gap:15px;align-items:flex-start}.benefit-item .tick{flex:0 0 24px;width:24px;height:24px;border-radius:7px;background:var(--bg-tint);border:1px solid var(--line);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-top:3px}.benefit-item .tick svg{width:14px;height:14px;stroke:var(--blue)}.benefit-item h3{font-size:1.04rem;font-weight:650;letter-spacing:-.01em}.benefit-item p{color:var(--ink-soft);font-size:.95rem}.cta-band{background:linear-gradient(135deg,#0e6fa6,#1487c4);color:#fff;text-align:center}.cta-band h2{font-size:clamp(1.8rem,3.4vw,2.5rem);font-weight:700;letter-spacing:-.02em}.cta-band p{color:#ffffffe6;font-size:1.12rem;margin:15px auto 32px;max-width:540px}.faq-list{max-width:760px;margin:0 auto}.faq-item{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;background:#fff}.faq-q{width:100%;text-align:left;background:none;border:none;cursor:pointer;padding:21px 24px;font-size:1.05rem;font-weight:600;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:16px;letter-spacing:-.01em}.faq-q .plus{color:var(--blue);font-size:1.4rem;flex:0 0 auto;transition:transform .2s ease;line-height:1}.faq-item.open .faq-q .plus{transform:rotate(45deg)}.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}.faq-a p{padding:0 24px 21px;color:var(--ink-soft);font-size:.98rem}.faq-item.open .faq-a{max-height:320px}footer{background:var(--ink);color:#b9c7d0;padding:52px 0 32px}.footer-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:26px;align-items:center}.footer-brand{font-weight:700;font-size:1.25rem;color:#fff;display:flex;align-items:center;gap:10px;letter-spacing:-.02em}.footer-links{display:flex;gap:28px;flex-wrap:wrap}.footer-links a{color:#b9c7d0;font-weight:500;font-size:.95rem}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid #1E3441;margin-top:32px;padding-top:24px;font-size:.85rem;color:#7e93a0;text-align:center}.footer-bottom .patent-note{color:#9db0bc;margin-top:6px}