*{
  box-sizing:border-box;
}

:root{
  --black:#111111;
  --gold:#b89a5a;
  --white:#ffffff;
  --light:#f8f6f1;
  --text:#222222;
  --muted:#666666;
  --border:#e7dfd1;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family:"Inter",sans-serif;
  color:var(--text);
  background:#fff;
}

.container{
  width:min(1200px,calc(100% - 40px));
  margin:auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:999;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}

.nav{
  height:82px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.logo{
  height:50px;
  width:auto;
}

.brand{
  display:flex;
  align-items:center;
  text-decoration:none;
}

nav{
  display:flex;
  gap:28px;
}

nav a{
  text-decoration:none;
  color:var(--text);
  font-size:14px;
  font-weight:600;
}

nav a:hover{
  color:var(--gold);
}

.menu-btn{
  display:none;
}

.hero{
  padding:90px 0;
  background:
  radial-gradient(circle at right top,rgba(184,154,90,.15),transparent 30%),
  linear-gradient(180deg,#ffffff,#f8f6f1);
}

.hero-grid{
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:60px;
  align-items:center;
}

.eyebrow,
.section-label{
  color:var(--gold);
  text-transform:uppercase;
  font-weight:800;
  font-size:12px;
  letter-spacing:.15em;
}


.hero h1{
  font-size:clamp(46px,4.7vw,76px);
  line-height:1;
  margin:16px 0;
  color:#111;
  letter-spacing:-0.06em;
  white-space:nowrap;
}
.hero h2{
  font-size:clamp(24px,3vw,38px);
  line-height:1.15;
  margin-bottom:24px;
}

.hero-text{
  font-size:18px;
  line-height:1.8;
  color:var(--muted);
}

.instagram-link{
  display:inline-block;
  margin-top:24px;
  color:var(--gold);
  text-decoration:none;
  font-weight:700;
}

.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

.btn{
  min-height:50px;
  padding:0 24px;
  border-radius:999px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
  font-weight:700;
}

.btn.primary{
  background:#111;
  color:#fff;
}

.btn.secondary{
  border:1px solid var(--border);
  color:#111;
  background:#fff;
}

.photo-hero{
  min-height:700px;
  border-radius:28px;
  background-image:url("./assets/professor.png");
  background-size:cover;
  background-position:center top;
  background-repeat:no-repeat;
  box-shadow:0 30px 80px rgba(0,0,0,.15);
}

.hero-card{
  position:relative;
}

.signature-card{
  position:absolute;
  left:-25px;
  bottom:25px;
  background:#fff;
  padding:20px;
  border-radius:20px;
  border:1px solid var(--border);
  box-shadow:0 20px 40px rgba(0,0,0,.08);
}

.section{
  padding:90px 0;
}

.products-section{
  background:#fff;
}

.center{
  text-align:center;
}

.section-heading{
  max-width:900px;
  margin:auto auto 50px;
}

.products-grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:18px;
}

.product-card{
  border:1px solid var(--border);
  border-radius:24px;
  padding:26px;
  background:#fff;
  min-height:260px;
}

.featured-product{
  border:2px solid var(--gold);
  background:#fcfaf5;
}

.product-number{
  color:var(--gold);
  font-size:14px;
  font-weight:800;
}

.product-card h3{
  margin:15px 0;
}

.authority{
  background:#111;
  color:#fff;
  padding:40px 0;
}

.authority-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}

.number{
  display:block;
  color:var(--gold);
  font-size:36px;
  font-weight:900;
}

.light{
  background:var(--light);
}

.split{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:60px;
}

.feature-list{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-top:30px;
}

.feature-list span{
  padding:12px 16px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:12px;
}

.about-grid{
  display:grid;
  grid-template-columns:.8fr 1.2fr;
  gap:60px;
  align-items:center;
}

.about-photo{
  min-height:600px;
  border-radius:28px;
  background-image:url("./assets/1.png");
  background-size:cover;
  background-position:center;
}

.about-content p{
  line-height:1.8;
  color:var(--muted);
}

.dark{
  background:#111;
  color:#fff;
}

.dark h2{
  color:#fff;
}

.gold{
  color:var(--gold);
}

.event-gallery{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}

.event-gallery img{
  width:100%;
  border-radius:18px;
  display:block;
}

.contact{
  background:var(--light);
}

.contact-box{
  text-align:center;
  max-width:900px;
}

.contact-actions{
  display:flex;
  gap:12px;
  justify-content:center;
  flex-wrap:wrap;
}

.email-note{
  margin-top:20px;
  color:var(--muted);
}

footer{
  padding:25px 0;
  border-top:1px solid var(--border);
}

.footer-content{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
}

.footer-content a{
  color:var(--gold);
  text-decoration:none;
}

@media(max-width:900px){

  .menu-btn{
    display:block;
    border:0;
    background:#111;
    color:#fff;
    padding:10px 14px;
    border-radius:8px;
  }

  nav{
    display:none;
  }

  nav.open{
    display:flex;
    flex-direction:column;
    position:absolute;
    left:20px;
    right:20px;
    top:80px;
    background:#fff;
    padding:20px;
    border-radius:16px;
    border:1px solid var(--border);
    z-index:9999;
  }

  .hero{
    padding:50px 0 45px;
    overflow:hidden;
  }

  .hero-grid,
  .products-grid,
  .authority-grid,
  .split,
  .about-grid,
  .event-gallery{
    grid-template-columns:1fr;
  }

  .eyebrow{
    font-size:10px;
    line-height:1.5;
    letter-spacing:.13em;
  }

  .hero h1{
    white-space:normal;
    font-size:clamp(42px,13vw,58px);
    line-height:.95;
    letter-spacing:-0.05em;
    margin:18px 0;
  }

  .hero h2{
    font-size:clamp(26px,7.5vw,36px);
    line-height:1.12;
  }

  .hero-text,
  .instagram-link{
    display:none;
  }

  .hero-actions{
    flex-direction:column;
    align-items:flex-start;
    margin-top:26px;
  }

  .btn{
    width:100%;
    max-width:330px;
  }

  .photo-hero{
    min-height:430px;
    background-position:center top;
  }

  .about-photo{
    min-height:420px;
  }

  .signature-card{
    position:static;
    margin-top:15px;
  }

  .footer-content{
    flex-direction:column;
  }

  .logo{
    height:42px;
  }

  .whatsapp-float{
    right:12px;
    bottom:12px;
    padding:10px 16px;
    font-size:13px;
  }
}