:root{--primary:#6ec546;--primary-hover:#5ab335;--dark:#333;--bg-grey:#f2f2f2;--text:#444;--white:#fff;--shadow:0 4px 6px -1px rgba(0,0,0,0.1),0 2px 4px -1px rgba(0,0,0,0.06)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:'Open Sans',sans-serif;background-color:var(--white);color:var(--text);height:100vh;overflow:hidden;display:flex;flex-direction:column;line-height:1.5}header{background-color:var(--dark);padding:.75rem 5%;display:flex;align-items:center;justify-content:space-between;height:60px;flex-shrink:0}.logo-wrap{display:flex;align-items:center;gap:10px;color:var(--white);text-decoration:none;font-weight:700;font-size:1.2rem}.logo-wrap img{height:32px;width:auto}main{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:2rem;background:radial-gradient(circle at top right,rgba(110,197,70,0.1),transparent 40%),radial-gradient(circle at bottom left,rgba(0,0,0,0.02),transparent 40%)}.content-card{max-width:600px;width:100%;animation:fadeIn .8s ease-out}h1{font-size:clamp(2rem,5vw,3.5rem);color:var(--dark);margin-bottom:1rem;line-height:1.1;font-weight:700}h1 span{color:var(--primary)}p{font-size:clamp(1rem,2vw,1.25rem);color:#666;margin-bottom:2.5rem;max-width:500px;margin-left:auto;margin-right:auto}.coupon-box{background:var(--white);border:2px dashed var(--primary);padding:1.5rem;border-radius:12px;margin-bottom:2rem;display:inline-block;position:relative;box-shadow:var(--shadow)}.coupon-box::before,.coupon-box::after{content:'';position:absolute;height:20px;width:20px;background-color:var(--white);border-radius:50%;top:50%;transform:translateY(-50%);box-shadow:inset 1px 0 0 rgba(0,0,0,0.05)}.coupon-box::before{left:-12px;border-right:2px dashed var(--primary)}.coupon-box::after{right:-12px;border-left:2px dashed var(--primary)}.code-text{font-family:monospace;font-size:1.5rem;font-weight:700;color:var(--dark);letter-spacing:2px}.cta-btn{display:inline-flex;align-items:center;justify-content:center;background-color:var(--primary);color:var(--white);font-size:1.125rem;font-weight:700;padding:1rem 2.5rem;border-radius:50px;text-decoration:none;transition:transform .2s,background-color .2s,box-shadow .2s;box-shadow:0 4px 14px rgba(110,197,70,0.4);border:none;cursor:pointer}.cta-btn:hover{background-color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 20px rgba(110,197,70,0.6)}.cta-btn:active{transform:translateY(0)}.cta-btn:focus{outline:3px solid rgba(110,197,70,0.5);outline-offset:2px}footer{text-align:center;padding:1rem;font-size:.8rem;color:#999;border-top:1px solid #eee;flex-shrink:0}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}