:root{--bg:#f5f8ff;--ink:#101a31;--muted:#61708a;--line:#dce5f2;--card:#fff;--navy:#071b4b;--blue:#0b5cff;--cyan:#17c6e8;--gold:#ffca28;--shadow:0 24px 70px rgba(7,27,75,.16)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}.site-header{height:78px;display:flex;align-items:center;justify-content:space-between;padding:0 5vw;border-bottom:1px solid rgba(255,255,255,.12);background:rgba(7,27,75,.96);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:12px;color:white;text-decoration:none}.brand-mark{font-size:30px;font-weight:950;letter-spacing:-.11em}.brand strong{display:block;font-size:13px}.brand small{display:block;color:#a9b9da;font-size:11px}nav{display:flex;gap:26px}nav a{color:#eef4ff;text-decoration:none;font-weight:650;font-size:14px}.hero{position:relative;overflow:hidden;min-height:680px;padding:90px 7vw;display:grid;grid-template-columns:1.05fr .75fr;gap:50px;align-items:center;background:radial-gradient(circle at 12% 20%,#164eb9 0,#071b4b 40%,#041331 100%);color:white}.hero:after{content:"";position:absolute;width:500px;height:500px;border-radius:50%;right:-170px;top:-200px;background:radial-gradient(circle,rgba(255,202,40,.22),transparent 65%);pointer-events:none}.hero-copy{position:relative;z-index:2;max-width:700px}.eyebrow{margin:0 0 12px;text-transform:uppercase;letter-spacing:.18em;font-size:11px;font-weight:850;color:#5c75c9}.hero .eyebrow{color:#7de8ff}.iii{font-size:clamp(82px,12vw,150px);line-height:.72;font-weight:950;letter-spacing:-.12em;background:linear-gradient(90deg,#ff8a00,#ffe100,#55e2c1,#52b7ff,#e96cf4);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 8px 30px rgba(0,0,0,.25)}h1{font-size:clamp(30px,4vw,54px);line-height:1.04;letter-spacing:-.045em;margin:24px 0 18px}.lead{font-size:24px;line-height:1.25;max-width:650px}.sublead{color:#b9c9e5;max-width:600px}.actions,.card-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:28px}.button{display:inline-block;padding:12px 19px;border-radius:12px;text-decoration:none;font-weight:800;font-size:14px}.primary{background:white;color:var(--navy)}.glass{border:1px solid rgba(255,255,255,.35);color:white;background:rgba(255,255,255,.07);backdrop-filter:blur(8px)}.hero-book{position:relative;z-index:2;display:flex;justify-content:center}.cover-frame{width:min(350px,75vw);padding:8px;border-radius:8px;background:linear-gradient(135deg,#ffffff,#9fdcff 40%,#ffd45e 100%);box-shadow:0 28px 90px rgba(0,0,0,.45);transform:rotate(2deg)}.cover-frame img{display:block;width:100%;height:auto;border-radius:4px}.visual-strip{padding:55px 6vw;background:#eaf2ff}.visual-strip img{display:block;width:min(1500px,100%);margin:auto;border-radius:22px;box-shadow:var(--shadow)}.principles{max-width:1180px;margin:80px auto 20px;padding:0 6vw;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.principles>div{background:var(--card);padding:30px}.principles b{font-size:11px;color:#5b4bdb}.principles p,.section-heading p,.book-card p,.module p,.about p{color:var(--muted)}.section{max-width:1180px;margin:auto;padding:90px 6vw}.section-heading{max-width:760px;margin-bottom:38px}.section-heading h2{font-size:clamp(34px,5vw,58px);line-height:1.05;letter-spacing:-.05em;margin:8px 0 14px}.center{text-align:center;margin-left:auto;margin-right:auto}.book-card{display:grid;grid-template-columns:260px 1fr;gap:45px;background:white;padding:34px;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}.book-visual img{display:block;width:210px;margin:auto;border-radius:4px;box-shadow:0 18px 45px rgba(7,27,75,.2)}.tag,.module span{font-size:10px;font-weight:850;letter-spacing:.15em;color:#5b4bdb}.book-info h3{font-size:32px;line-height:1.08;margin:10px 0}.feature-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.feature-pills span{padding:7px 10px;border-radius:999px;background:#edf4ff;color:#315aa6;font-size:12px;font-weight:750}.text-link{color:var(--ink);text-decoration:none;font-weight:750;font-size:14px}.dark{max-width:none;background:var(--navy);color:white}.dark .section-heading p{color:#aebedc}.module-grid{max-width:1080px;margin:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.module{border:1px solid #29416f;border-radius:18px;padding:26px;background:linear-gradient(145deg,#0d2a63,#081a3e)}.module h3{font-size:23px;line-height:1.15;margin:14px 0 10px}.module p{color:#aebedc}.module a{color:white;text-decoration:none;font-weight:750;font-size:13px}.about{display:grid;grid-template-columns:1fr .55fr;gap:70px;align-items:center}.about h2{font-size:clamp(34px,5vw,56px);line-height:1.05;letter-spacing:-.05em}.quote-card{background:white;border:1px solid var(--line);border-radius:24px;padding:35px;box-shadow:var(--shadow)}.quote-card span{font-size:50px;font-weight:950;letter-spacing:-.12em}.quote-card p{font-size:27px;line-height:1.25;color:var(--ink)}footer{border-top:1px solid var(--line);padding:30px 6vw;display:flex;justify-content:space-between;color:var(--muted);font-size:12px}@media(max-width:820px){nav{display:none}.hero{grid-template-columns:1fr;padding-top:60px}.hero-book{order:-1}.principles,.module-grid,.about,.book-card{grid-template-columns:1fr}.principles{background:transparent;border:0;gap:12px}.principles>div{border:1px solid var(--line);border-radius:14px}.book-visual img{margin:0;width:min(210px,70vw)}footer{display:block}footer span{display:block;margin-top:5px}.visual-strip{padding:25px 4vw}.visual-strip img{border-radius:12px}}