:root{
  --bg:#f4eadc;
  --bg-2:#fffaf3;
  --paper:#fffdf8;
  --ink:#4d3a2d;
  --muted:#8f7a68;
  --line:#dccab5;
  --orange:#ce7b3e;
  --orange-soft:#f2d7bd;
  --sage:#6d8d83;
  --sage-soft:#dce7e2;
  --blue:#7292a8;
  --blue-soft:#dfe9ee;
  --shadow:0 18px 60px rgba(91,70,54,.09);
  --radius:26px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:Inter,Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);background:var(--bg-2);line-height:1.7
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
button{color:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.eyebrow{font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;font-weight:850;color:var(--orange)}
.section{padding:105px 0}
.section-title{font-size:clamp(2rem,4vw,4.3rem);line-height:1.08;letter-spacing:-.055em;margin:12px 0 24px}
.section-copy{max-width:740px;color:var(--muted);font-size:1.05rem}
.topbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(16px);background:rgba(255,250,243,.84);border-bottom:1px solid rgba(220,202,181,.7)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800}
.brand img{width:172px;max-height:52px;object-fit:contain;object-position:left center}
.nav-links{display:flex;align-items:center;gap:22px;font-size:.92rem;color:#6d5949}
.nav-links a:hover{color:var(--orange)}
.menu-btn{display:none;border:0;background:none;font-size:1.45rem;color:var(--ink)}

.hero{min-height:calc(100vh - 76px);display:flex;align-items:center;background:
radial-gradient(circle at 80% 24%,rgba(206,123,62,.10),transparent 34%),
radial-gradient(circle at 12% 78%,rgba(109,141,131,.09),transparent 28%),var(--bg)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}
.hero h1{font-size:clamp(3.5rem,8vw,7rem);letter-spacing:-.075em;line-height:.92;margin:20px 0 28px}
.hero h1 span{display:block;color:var(--orange)}
.hero p{max-width:640px;font-size:1.16rem;color:#715d4c}
.hero-actions{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 20px;border-radius:999px;border:1px solid var(--ink);font-weight:750;transition:.2s;background:transparent;cursor:pointer}
.btn.primary{background:var(--ink);color:#fff}
.btn.soft{border-color:var(--line);background:rgba(255,255,255,.5)}
.btn:hover{transform:translateY(-2px)}
.hero-card{padding:36px;border-radius:38px;background:rgba(255,255,255,.45);border:1px solid rgba(255,255,255,.7);box-shadow:var(--shadow)}
.hero-card img{width:100%;height:180px;object-fit:contain}
.hero-card .manifesto{margin-top:18px;font-size:1.02rem}
.hero-card .manifesto b{color:var(--orange)}

.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:start}
.word-card{background:var(--bg);padding:36px;border-radius:var(--radius);border:1px solid var(--line);position:sticky;top:110px}
.word-card .big{font-size:4rem;font-weight:900;letter-spacing:-.08em}
.word-card small{display:block;color:var(--muted)}
.about-copy p{font-size:1.08rem;color:#6f5d4f}
.about-copy strong{color:var(--ink)}
.interests{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.pill{padding:9px 13px;border-radius:999px;border:1px solid var(--line);background:white;font-size:.84rem}

.philosophy{background:var(--ink);color:#fff}
.philosophy .section-copy{color:#d6c9bd}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:50px}
.step{padding:28px;border-radius:24px;background:#5c4737;border:1px solid rgba(255,255,255,.1)}
.step b{font-size:1.35rem}.step span{display:block;color:#d6c9bd;margin-top:8px}
.flow{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:36px;color:#efdcc9}
.flow span{padding:8px 11px;border-radius:999px;background:rgba(255,255,255,.06)}

.featured{background:var(--bg)}
.project-hero{margin-top:44px;overflow:hidden;border-radius:34px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.project-hero img{width:100%;aspect-ratio:16/8.8;object-fit:cover}
.project-meta{padding:30px 34px 34px;display:flex;justify-content:space-between;gap:34px;align-items:end}
.project-meta h3{font-size:clamp(2rem,4vw,4rem);letter-spacing:-.055em;margin:0}
.project-meta p{max-width:570px;color:var(--muted);margin:12px 0 0}
.project-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}

.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
.trio-card{background:var(--paper);padding:26px;border:1px solid var(--line);border-radius:24px;transition:.2s}
.trio-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.trio-card b{display:block;font-size:1.25rem;margin:6px 0}
.trio-card p{color:var(--muted);font-size:.94rem;margin:0}

.projects-grid,.experiment-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:46px}
.card{border:1px solid var(--line);border-radius:28px;overflow:hidden;background:var(--paper);transition:.22s;box-shadow:0 10px 30px rgba(91,70,54,.04)}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.card-body{padding:24px}
.card-body h3{margin:4px 0 8px;font-size:1.55rem}
.card-body p{color:var(--muted);margin:0}
.status{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--sage);font-weight:850}

.blog-cta{background:var(--ink);color:#fff}
.blog-box{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}
.blog-box .section-copy{color:#d6c9bd}

.idea{background:var(--sage-soft)}
.idea-box{display:grid;grid-template-columns:1fr .8fr;gap:60px;align-items:center}
.idea-form{background:#fff;padding:26px;border-radius:24px;border:1px solid #cddbd5}
.idea-form label{display:block;font-weight:700;margin-bottom:8px}
.idea-form input{width:100%;border:1px solid #cad8d2;background:#f7fbf9;border-radius:14px;padding:14px 15px;color:var(--ink);outline:none}
.idea-form button{margin-top:12px;border:0;background:var(--ink);color:#fff;border-radius:999px;padding:12px 17px;cursor:pointer}
.idea-message{margin-top:12px;color:var(--sage);font-weight:700;min-height:26px}
.idea-note{font-size:.8rem;color:var(--muted);margin-top:8px}

footer{padding:45px 0;background:#37291f;color:#dfd1c6}
.footer-grid{display:flex;justify-content:space-between;gap:30px;align-items:end}
.footer-brand{font-size:1.3rem;font-weight:800;color:#fff}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;font-size:.9rem}
.footer-links button{border:0;background:none;color:inherit;padding:0;cursor:pointer}
.small{font-size:.82rem;color:#bca99b}

/* HAPPY detail */
.happy-hero{min-height:70vh;padding:120px 0 90px;background:radial-gradient(circle at 16% 20%,rgba(206,123,62,.16),transparent 28%),var(--bg)}
.happy-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;align-items:center}
.happy-grid img{border-radius:30px;box-shadow:var(--shadow)}
.happy-hero h1{font-size:clamp(4rem,9vw,8rem);line-height:.86;letter-spacing:-.075em;margin:14px 0 24px;color:var(--orange)}
.happy-hero h2{font-size:1.65rem;margin:0 0 18px}
.experience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:38px}
.experience{padding:26px;border-radius:22px;border:1px solid var(--line);background:#fff}
.experience strong{font-size:1.18rem}.experience p{color:var(--muted);font-size:.92rem}

/* Shared interactive area */
.interactive-section{padding:100px 0}
.interactive-section:nth-of-type(even){background:var(--bg)}
.interactive-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:center}
.interactive-panel{border:1px solid var(--line);border-radius:32px;background:#fff;padding:24px;box-shadow:var(--shadow)}
.interaction-help{color:var(--muted);font-size:.92rem;margin-top:12px}
.control-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}
.control-row button{border:1px solid var(--line);background:#fff;padding:10px 14px;border-radius:999px;cursor:pointer;font-weight:700}
.control-row button:hover{border-color:var(--orange);color:var(--orange)}
.interaction-status{min-height:28px;margin-top:14px;color:var(--sage);font-weight:750}

/* TOUCH robot */
.robot-stage{min-height:430px;background:linear-gradient(180deg,#fffaf3,#eee1d1);border-radius:24px;display:grid;place-items:center;position:relative;overflow:hidden}
.web-robot{position:relative;width:250px;height:310px}
.robot-body{position:absolute;width:190px;height:190px;left:30px;bottom:20px;border-radius:46% 46% 35% 35%;background:#e9ded0;border:3px solid #6c5543;box-shadow:inset 0 -14px 0 rgba(110,85,67,.06)}
.robot-head{position:absolute;width:210px;height:145px;left:20px;top:5px;background:#eee4d8;border:3px solid #6c5543;border-radius:42px;z-index:5}
.robot-ear{position:absolute;width:42px;height:88px;background:#b99b82;border:3px solid #6c5543;border-radius:28px;top:33px}
.robot-ear.left{left:-28px;transform:rotate(6deg)}.robot-ear.right{right:-28px;transform:rotate(-6deg)}
.robot-screen{position:absolute;inset:20px 24px;border-radius:26px;background:#1e1f20;display:grid;place-items:center;color:#fff;font-size:56px;font-weight:900;letter-spacing:-8px;box-shadow:inset 0 0 0 3px #353638}
.robot-screen .face{transform:translateX(-4px)}
.robot-arm{position:absolute;width:45px;height:125px;background:#e5d8c9;border:3px solid #6c5543;border-radius:24px;right:-7px;top:130px;transform-origin:22px 21px;transform:rotate(2deg);transition:transform .55s cubic-bezier(.2,.9,.3,1);z-index:2}
.robot-arm:after{content:"🐾";position:absolute;width:58px;height:58px;right:-8px;bottom:-18px;border-radius:50%;display:grid;place-items:center;background:#f4eadc;border:3px solid #6c5543;font-size:30px}
.web-robot.arm-up .robot-arm{transform:rotate(-95deg)}
.web-robot.pet-happy .robot-head{animation:robotNod .6s ease 2}
.web-robot.pet-happy .robot-screen{box-shadow:inset 0 0 0 3px #353638,0 0 30px rgba(206,123,62,.28)}
@keyframes robotNod{50%{transform:rotate(4deg) translateY(4px)}}
.pet-zone{position:absolute;width:180px;height:80px;left:35px;top:-3px;border-radius:50%;cursor:pointer}

/* PLAY pocket game */
.pocket-shell{max-width:430px;margin:auto;background:#e8ddce;border:3px solid #6b5543;border-radius:38px;padding:24px;box-shadow:0 20px 50px rgba(91,70,54,.12)}
.pocket-screen{height:290px;border-radius:20px;background:linear-gradient(#9ed7ef 0 58%,#90c77e 58%);border:10px solid #292929;position:relative;overflow:hidden}
.catch-dog{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);font-size:62px;transition:left .1s linear}
.treat{position:absolute;top:-40px;font-size:34px;display:none}
.game-hud{position:absolute;top:8px;left:10px;right:10px;display:flex;justify-content:space-between;color:#213b43;font-weight:900;text-shadow:0 1px #fff}
.pocket-controls{display:flex;justify-content:space-between;gap:24px;margin-top:22px}
.dpad{display:grid;grid-template-columns:50px 50px;gap:8px}
.round-btn{width:62px;height:62px;border-radius:50%;border:2px solid #6b5543;background:#d4a678;cursor:pointer;font-weight:900}
.square-btn{height:50px;border:2px solid #6b5543;background:#f4eadc;border-radius:14px;cursor:pointer;font-weight:900}

/* FEEL scene */
.feel-desk{background:#e9ded0;border-radius:24px;padding:24px;min-height:460px}
.monitor{max-width:650px;margin:auto;background:#242424;border-radius:20px;padding:12px 12px 26px;position:relative;box-shadow:0 16px 35px rgba(0,0,0,.14)}
.webcam-dot{position:absolute;width:70px;height:28px;border-radius:14px;background:#303030;left:50%;transform:translateX(-50%);top:-22px;display:grid;place-items:center;color:#7bcee8;font-size:12px}
.monitor-screen{height:330px;border-radius:10px;overflow:hidden;position:relative;background:linear-gradient(#9fd6ed 0 58%,#8ec77c 58%)}
.feel-dog{position:absolute;left:54%;bottom:52px;font-size:94px;transition:.4s}
.feel-dog.excited{animation:feelBounce .45s ease 2}
@keyframes feelBounce{50%{transform:translateY(-18px) rotate(4deg)}}
.park-path{position:absolute;left:25%;right:15%;bottom:-20px;height:180px;background:#dec49e;clip-path:polygon(35% 0,65% 0,100% 100%,0 100%);opacity:.85}
.camera-preview{position:absolute;right:12px;top:12px;width:145px;height:100px;background:#1b1b1b;border:3px solid #fff;border-radius:12px;overflow:hidden;display:none;z-index:5}
.camera-preview video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.camera-preview.on{display:block}
.feel-hand{position:absolute;font-size:48px;left:22%;bottom:40px;transition:.35s}
.feel-hand.touching{left:48%;bottom:90px}
.vibe-indicator{position:absolute;left:18px;top:16px;background:rgba(255,255,255,.86);border-radius:999px;padding:7px 10px;font-size:.78rem;font-weight:800}
.monitor-stand{width:90px;height:70px;background:#252525;margin:0 auto;border-radius:0 0 18px 18px}

@media(max-width:850px){
  .nav-links{display:none}.menu-btn{display:block}
  .nav-links.open{display:flex;position:absolute;top:76px;left:20px;right:20px;padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line);flex-direction:column;align-items:flex-start}
  .hero-grid,.about-grid,.happy-grid,.interactive-layout,.idea-box{grid-template-columns:1fr}
  .hero{min-height:auto;padding:80px 0}
  .hero-card{order:-1}.word-card{position:static}
  .steps,.trio,.experience-grid{grid-template-columns:1fr}
  .projects-grid,.experiment-grid{grid-template-columns:1fr}
  .project-meta{display:block}
  .blog-box{grid-template-columns:1fr}
  .footer-grid{align-items:flex-start;flex-direction:column}
  .camera-preview{width:105px;height:76px}
}