/* ===========================
   GLOBAL
=========================== */

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Poppins',sans-serif;
    background:#f8fbf8;
    color:#333;
    line-height:1.7;
}

.container{
    width:90%;
    max-width:1200px;
    margin:auto;
}

img{
    max-width:100%;
    display:block;
}

/* ===========================
   HEADER
=========================== */

header{

background:white;
box-shadow:0 2px 10px rgba(0,0,0,.08);
position:sticky;
top:0;
z-index:999;

}

nav{

display:flex;
justify-content:space-between;
align-items:center;
padding:15px 0;

}

.logo{

display:flex;
align-items:center;
gap:12px;
font-weight:700;
font-size:22px;
color:#12763c;

}

.logo img{

width:55px;

}

nav ul{

display:flex;
gap:25px;
list-style:none;

}

nav a{

text-decoration:none;
color:#333;
font-weight:600;

}




/* ===========================
   HERO
=========================== */

.hero{

    min-height:100vh;

    background:
    linear-gradient(
        90deg,
        rgba(0,0,0,.78) 0%,
        rgba(0,0,0,.45) 45%,
        rgba(0,0,0,.18) 100%
    ),
    url("walk4healthhero.png");

    background-size:cover;
    background-position:center;
    background-repeat:no-repeat;

    display:flex;
    align-items:center;

    position:relative;

    padding:120px 8%;
}

.overlay{
    display:none;
}

.hero-content{

    position:relative;
    z-index:2;

    max-width:700px;

    color:white;

}

.hero-badge{

    display:inline-block;

    padding:10px 22px;

    border-radius:50px;

    background:rgba(255,255,255,.15);

    backdrop-filter:blur(10px);

    border:1px solid rgba(255,255,255,.25);

    margin-bottom:30px;

    font-size:14px;

    font-weight:600;

}

.hero h1{

    font-size:4.4rem;

    line-height:1.1;

    font-weight:800;

    margin-bottom:18px;

}

.hero h1 span{

    color:#8cff4c;

}

.hero h2{

    font-size:2.4rem;

    margin-bottom:25px;

    font-weight:600;

}

.green{

    color:#b8ff63;

}

.hero-text{

    font-size:1.1rem;

    line-height:1.9;

    max-width:620px;

    margin-bottom:35px;

}

/* ===========================
   BUTTONS
=========================== */

.buttons{

    display:flex;
    gap:20px;
    flex-wrap:wrap;
}

.btn{

    padding:15px 36px;

    border-radius:50px;

    text-decoration:none;

    font-weight:700;

    transition:.35s;

}

.primary{

    background:#27c24c;

    color:white;

}

.primary:hover{

    background:#1d993b;

    transform:translateY(-3px);

}

.secondary{

    border:2px solid white;

    color:white;

}

.secondary:hover{

    background:white;

    color:#222;

}

/* ===========================
   HERO STATS
=========================== */

.hero-stats{

    display:flex;

    gap:55px;

    margin-top:55px;

}

.hero-stats h3{

    font-size:2.2rem;

    color:#8cff65;

}

.hero-stats span{

    color:#f2f2f2;

    font-size:.95rem;

}

/* ===========================
   SCROLL ICON
=========================== */

.scroll-down{

    position:absolute;

    bottom:30px;

    left:50%;

    transform:translateX(-50%);

    font-size:38px;

    color:white;

    animation:bounce 2s infinite;

}

@keyframes bounce{

0%,100%{

transform:translate(-50%,0);

}

50%{

transform:translate(-50%,12px);

}

}

/* ===========================
   SECTIONS
=========================== */

.section{

    padding:90px 0;

}

.grid{

    display:grid;

    grid-template-columns:1fr 1fr;

    gap:70px;

    align-items:center;

}

.grid img{

    border-radius:18px;

    box-shadow:0 15px 35px rgba(0,0,0,.15);

}

.section h2{

    font-size:2.6rem;

    margin-bottom:25px;

    color:#157d37;

}

/* ===========================
   STATS BAR
=========================== */

.stats{

    background:#157d37;

    color:white;

    padding:70px 0;

}

.stat-grid{

    display:grid;

    grid-template-columns:repeat(4,1fr);

    text-align:center;

}

.stat-grid h2{

    font-size:3rem;

}

.stat-grid p{

    margin-top:8px;

}

/* ===========================
   CARDS
=========================== */

.cards{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));

    gap:30px;

    margin-top:45px;

}

.card{

    background:white;

    border-radius:18px;

    padding:35px;

    box-shadow:0 12px 25px rgba(0,0,0,.08);

    transition:.3s;

}

.card:hover{

    transform:translateY(-8px);

}

.card h3{

    color:#157d37;

    margin-bottom:15px;

}

/* ===========================
   REWARDS
=========================== */

.rewards{

    background:#eef9ef;

    padding:90px 0;

}

.reward-grid{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));

    gap:30px;

    margin-top:45px;

}

.reward{

    background:white;

    border-radius:18px;

    padding:35px;

    text-align:center;

    font-size:45px;

    box-shadow:0 10px 25px rgba(0,0,0,.08);

    transition:.3s;

}

.reward:hover{

    transform:translateY(-8px);

}

.reward h3{

    font-size: 23px;
    color:#157d37;

    margin:18px 0;

}

.reward p{

    font-size: 20px;
   

}

/* ===========================
   JOIN
=========================== */

.join{

    background:linear-gradient(120deg,#0f6d34,#2dbd56);

    color:white;

    text-align:center;

    padding:100px 0;

}

.join h2{

    font-size:3rem;

    margin-bottom:20px;

}

.join p{

    max-width:700px;

    margin:0 auto 20px;

    font-size:1.1rem;

}

/* ===========================
   FOOTER
=========================== */

footer{

    background:#09371d;

    color:white;

    text-align:center;

    padding:40px;

}

footer h3{

    margin-bottom:10px;

}

/* ===========================
   UTILITIES
=========================== */

.center{

    text-align:center;

}

/* ===========================
   MOBILE
=========================== */

@media(max-width:900px){

nav{

    flex-direction:column;

    gap:20px;

}

.grid{

    grid-template-columns:1fr;

}

.stat-grid{

    grid-template-columns:repeat(2,1fr);

    gap:30px;

}

.hero{

    padding:120px 30px;

}

.hero h1{

    font-size:3rem;

}

.hero h2{

    font-size:1.8rem;

}

.hero-stats{

    gap:30px;

}

}

@media(max-width:600px){

.hero{

    padding:120px 20px;

}

.hero h1{

    font-size:2.4rem;

}

.hero h2{

    font-size:1.5rem;

}

.hero-text{

    font-size:1rem;

}

.hero-stats{

    flex-direction:column;

    gap:20px;

}

.buttons{

    flex-direction:column;

}

.btn{

    text-align:center;

}

.stat-grid{

    grid-template-columns:1fr;

}

nav ul{

    flex-direction:column;

    gap:15px;

    text-align:center;

}

.section h2{

    font-size:2rem;

}

.join h2{

    font-size:2.2rem;

}

}