:root{
  --primary:#000000;
  --light:#ffffff;
  --dark:#1a1a1a;
  --gray:#777;
}

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

body{
  font-family:'Inter',sans-serif;
  background:var(--light);
  color:var(--dark);
  line-height:1.7;
}

/* HERO */
.hero{
  padding:6.5rem 1.5rem;
  text-align:center;
  background:linear-gradient(rgb(29 29 30 / 85%), rgb(36 36 38 / 85%)), url(https://images.unsplash.com/photo-1617038260897-41a1f14a8ca0) center / cover;
  color:#fff;
}

.hero h1{
  font-family:'Playfair Display',serif;
  font-size:clamp(2.5rem,5vw,3.8rem);
  margin-bottom:1rem;
}

.hero p{
  max-width:650px;
  margin:auto;
  font-weight:300;
}

/* SECTION */
.section{
  max-width:1200px;
  margin:auto;
  /* padding:5.5rem 1.5rem; */
}

.title{
  text-align:center;
  margin:2rem 0rem;
}

.title h2{
  font-family:'Playfair Display',serif;
  font-size:2.3rem;
  color:var(--primary);
}

/* CERTIFICATIONS */
.cert-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:2.5rem;
}

.cert-card{
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(10px);
  border-radius:18px;
  padding:2.5rem;
  text-align:center;
  box-shadow:0 25px 70px rgba(60,42,109,.18);
  transition:.4s;
}

.cert-card:hover{
  transform:translateY(-10px);
  box-shadow:0 40px 90px rgba(60,42,109,.35);
}

.cert-icon{
  width:70px;
  height:70px;
  border-radius:50%;
  background:rgba(60, 42, 109, .12);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--primary);
  font-size:1.6rem;
  margin:0 auto 1.5rem;
}

.cert-card h3{
  font-family:'Playfair Display',serif;
  margin-bottom:.6rem;
}

/* TIMELINE */
.timeline{
  position:relative;
  margin-top:3rem;
  padding-left:40px;
}

.timeline::before{
  content:"";
  position:absolute;
  left:12px;
  top:0;
  width:2px;
  height:100%;
  background:linear-gradient(to bottom,var(--primary),transparent);
}

.timeline-item{
  position:relative;
  margin-bottom:4rem;
  opacity:0;
  transform:translateY(40px);
  transition:.8s ease;
}

.timeline-item.show{
  opacity:1;
  transform:translateY(0);
}

.timeline-dot{
  position:absolute;
  left:-1px;
  width:26px;
  height:26px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 6px rgba(60,42,109,.15);
}

.timeline-content{
  background:#fff;
  padding:2.5rem;
  border-radius:18px;
  box-shadow:0 20px 60px rgba(60,42,109,.18);
}

.timeline-content h3{
  font-family:'Playfair Display',serif;
  color:var(--primary);
  margin-bottom:.5rem;
}

/* FOUNDER */
.founder{
  text-align:center;
  margin-bottom: 6rem;
}

.founder img{
  width:130px;
  height:130px;
  border-radius:50%;
  box-shadow:0 20px 50px rgba(60,42,109,.45);
  margin-bottom:1.3rem;
}

.founder p{
  max-width:650px;
  margin:auto;
  color:#555;
}

/* RESPONSIVE */
@media(max-width:600px){
  .timeline{
    padding-left:30px;
  }
}