/* ===== TBG Hello Week — Welcome & Journey (index only, extends styles.css) ===== */

.welcome-hero{padding:clamp(70px,11vw,140px) 0 60px;text-align:center}
.welcome-hero .eyebrow{margin-bottom:18px}
.welcome-hero h1{font-size:clamp(2.6rem,7vw,5.4rem);letter-spacing:-.025em}
.welcome-hero h1 em{font-weight:300}
.welcome-hero p{max-width:600px;margin:30px auto 0;color:var(--ink-dim);font-size:1.14rem}

/* welcome wall */
.wall{padding:clamp(40px,7vw,80px) 0;border-top:1px solid var(--line);background:var(--bg-soft)}
.wall__head{text-align:center;margin-bottom:40px}
.wall__head h2{font-size:clamp(1.8rem,3.6vw,2.6rem)}
.wall__head p{color:var(--ink-dim);margin-top:12px}
.wall__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.wall__card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:18px;transition:.25s}
.wall__card:hover{border-color:var(--line-2);transform:translateY(-4px)}
.wall__card .avatar{margin-bottom:12px}
.wall__card strong{font-family:var(--sans);font-size:.9rem;display:block;margin-bottom:6px}
.wall__card p{font-size:.86rem;color:var(--ink-dim);line-height:1.5}

/* journey timeline */
.journey{padding:clamp(60px,9vw,110px) 0}
.journey__head{text-align:center;max-width:640px;margin:0 auto clamp(50px,7vw,80px)}
.journey__head h2{font-size:clamp(2rem,4.4vw,3.2rem)}
.journey__head p{color:var(--ink-dim);margin-top:18px;font-size:1.08rem}
.journey__track{position:relative;max-width:920px;margin:0 auto}
.journey__track::before{content:"";position:absolute;left:26px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--accent-warm),var(--line));opacity:.5}
.step{position:relative;padding:0 0 clamp(36px,5vw,56px) 76px}
.step:last-child{padding-bottom:0}
.step__marker{position:absolute;left:0;top:0;width:54px;height:54px;border-radius:50%;background:var(--panel);border:2px solid var(--line-2);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:1.2rem;color:var(--ink);z-index:2}
.step--accent .step__marker{border-color:var(--accent-warm);color:var(--accent-warm);box-shadow:0 0 0 6px rgba(201,162,75,.12)}
.step__day{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-warm);margin-bottom:8px}
.step__title{font-size:clamp(1.5rem,2.8vw,2rem);line-height:1.1}
.step__body{margin-top:14px;color:var(--ink-dim);font-size:1.04rem;max-width:54ch}
.step__demo{margin-top:22px}
.step__check{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:.85rem;color:var(--ink-faint)}
.step__check::before{content:"○";color:var(--ink-faint)}

/* next / final */
.next{padding:clamp(70px,10vw,120px) 0;text-align:center;border-top:1px solid var(--line);background:var(--bg-soft)}
.next h2{font-size:clamp(2rem,4.6vw,3.2rem)}
.next p{max-width:520px;margin:18px auto 0;color:var(--ink-dim);font-size:1.08rem}
.next .hero__cta{margin-top:34px}

@media(max-width:900px){.wall__grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){
  .wall__grid{grid-template-columns:1fr}
  .journey__track::before{left:18px}
  .step{padding-left:58px}
  .step__marker{width:40px;height:40px;font-size:1rem}
}