:root{
  --navy:#071a35;
  --navy2:#0d2b52;
  --blue:#1264d8;
  --light:#f4f7fb;
  --yellow:#ffc928;
  --text:#142033;
  --muted:#64748b;
  --white:#fff;
  --border:#e5eaf1;
  --green:#16a34a;
  --shadow:0 16px 45px rgba(7,26,53,.10);
}

*{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.55;
}

a{
  color:inherit;
  text-decoration:none;
}

.container{
  width:min(1160px,calc(100% - 40px));
  margin:auto;
}

/* HEADER */

.topbar{
  background:#041326;
  color:#cbd5e1;
  font-size:13px;
}

.topbar .container{
  min-height:36px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
}

.header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(12px);
}

.nav{
  min-height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  font-weight:900;
  color:var(--navy);
}

.logo{
  width:46px;
  height:46px;
  border-radius:12px;
  display:grid;
  place-items:center;
  color:#fff;
  font-weight:900;
  background:linear-gradient(135deg,var(--blue),var(--navy));
}

.brand small{
  display:block;
  font-size:11px;
  letter-spacing:1.5px;
  color:var(--muted);
}

.menu{
  display:flex;
  align-items:center;
  gap:24px;
  font-size:14px;
  font-weight:700;
}

.menu a:hover{
  color:var(--blue);
}

.btn{
  display:inline-flex;
  justify-content:center;
  align-items:center;
  gap:8px;
  padding:13px 20px;
  border-radius:10px;
  font-weight:800;
  transition:.2s;
}

.btn:hover{
  transform:translateY(-2px);
}

.btn-primary{
  background:var(--yellow);
  color:#171717;
}

.btn-blue{
  background:var(--blue);
  color:#fff;
}

/* HERO */

.hero{
  overflow:hidden;
  background:
    radial-gradient(circle at 80% 20%,rgba(18,100,216,.30),transparent 30%),
    linear-gradient(125deg,#06172e,#0b2d59);
  color:#fff;
  padding:85px 0 75px;
}

.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  align-items:center;
  gap:60px;
}

.eyebrow{
  display:inline-flex;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.16);
  padding:7px 12px;
  border-radius:999px;
  color:#dbeafe;
  font-size:12px;
  font-weight:800;
  letter-spacing:1px;
  text-transform:uppercase;
}

.hero h1{
  font-size:clamp(42px,6vw,72px);
  line-height:1.02;
  letter-spacing:-2.5px;
  margin:20px 0;
}

.hero h1 span{
  color:var(--yellow);
}

.hero p{
  max-width:650px;
  font-size:18px;
  color:#d4dfed;
}

.actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:30px;
}

.hero-card{
  background:#fff;
  color:var(--text);
  border-radius:24px;
  padding:28px;
  box-shadow:0 25px 80px rgba(0,0,0,.25);
}

.hero-card h3{
  margin:0 0 6px;
  color:var(--navy);
}

.hero-card p{
  color:var(--muted);
  font-size:14px;
  margin-top:0;
}

.exam{
  padding:13px 0;
  border-bottom:1px solid var(--border);
  display:flex;
  justify-content:space-between;
  font-weight:800;
}

.exam:last-child{
  border:0;
}

.exam span:last-child{
  color:var(--blue);
}

/* METRICS */

.metrics{
  margin-top:-28px;
  position:relative;
  z-index:5;
}

.metrics-grid{
  background:#fff;
  box-shadow:var(--shadow);
  border-radius:18px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  overflow:hidden;
}

.metric{
  padding:24px;
  text-align:center;
  border-right:1px solid var(--border);
}

.metric:last-child{
  border:0;
}

.metric strong{
  display:block;
  color:var(--navy);
  font-size:27px;
}

.metric span{
  color:var(--muted);
  font-size:13px;
}

/* SECTIONS */

.section{
  padding:85px 0;
}

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

.section-title{
  max-width:700px;
  margin-bottom:38px;
}

.section-title small{
  color:var(--blue);
  font-weight:900;
  letter-spacing:1.5px;
}

.section-title h2{
  color:var(--navy);
  font-size:clamp(30px,4vw,46px);
  line-height:1.1;
  margin:10px 0;
  letter-spacing:-1px;
}

.section-title p{
  color:var(--muted);
}

/* COURSES */

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

.course{
  min-height:260px;
  border:1px solid var(--border);
  border-radius:18px;
  padding:28px;
  background:#fff;
  display:flex;
  flex-direction:column;
  transition:.2s;
}

.course:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow);
  border-color:#ccd8e7;
}

.course .tag{
  font-size:12px;
  color:var(--blue);
  font-weight:900;
  text-transform:uppercase;
}

.course h3{
  color:var(--navy);
  font-size:26px;
  margin:12px 0 8px;
}

.course p{
  color:var(--muted);
  font-size:14px;
  flex:1;
}

.course .more{
  color:var(--blue);
  font-weight:900;
}

/* METHOD */

.method{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center;
}

.steps{
  display:grid;
  gap:15px;
}

.step{
  display:grid;
  grid-template-columns:48px 1fr;
  gap:15px;
  align-items:start;
  padding:20px;
  border:1px solid var(--border);
  border-radius:15px;
}

.step-number{
  width:48px;
  height:48px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:var(--navy);
  color:#fff;
  font-weight:900;
}

.step h4{
  margin:2px 0 5px;
  color:var(--navy);
}

.step p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}

/* CTA */

.cta{
  background:var(--navy);
  color:#fff;
  border-radius:24px;
  padding:45px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:30px;
}

.cta h2{
  margin:0 0 8px;
  font-size:34px;
}

.cta p{
  margin:0;
  color:#cbd5e1;
}

/* FOOTER */

footer{
  margin-top:80px;
  background:#041326;
  color:#cbd5e1;
  padding:55px 0 25px;
}

.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:40px;
}

footer h3,
footer h4{
  color:#fff;
}

footer a{
  display:block;
  margin:8px 0;
}

.copyright{
  border-top:1px solid rgba(255,255,255,.1);
  margin-top:35px;
  padding-top:20px;
  font-size:12px;
}

/* WHATSAPP */

.whatsapp{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:80;
  background:#16a34a;
  color:#fff;
  width:58px;
  height:58px;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-size:24px;
  box-shadow:0 10px 35px rgba(0,0,0,.25);
}

/* MOBILE */

@media(max-width:850px){

  .topbar{
    display:none;
  }

  .menu a:not(.btn){
    display:none;
  }

  .hero{
    padding-top:60px;
  }

  .hero-grid,
  .method{
    grid-template-columns:1fr;
  }

  .hero-card{
    margin-top:10px;
  }

  .metrics-grid{
    grid-template-columns:1fr 1fr;
  }

  .metric:nth-child(2){
    border-right:0;
  }

  .courses{
    grid-template-columns:1fr;
  }

  .footer-grid{
    grid-template-columns:1fr;
  }

  .cta{
    display:block;
  }

  .cta .btn{
    margin-top:20px;
  }
}

@media(max-width:520px){

  .container{
    width:min(100% - 28px,1160px);
  }

  .brand small{
    display:none;
  }

  .nav{
    min-height:68px;
  }

  .hero h1{
    letter-spacing:-1.5px;
  }

  .metrics-grid{
    grid-template-columns:1fr;
  }

  .metric{
    border-right:0;
    border-bottom:1px solid var(--border);
  }

}


/* ===================================================
   BUILD 5
   =================================================== */

body{
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}


/* announcement */

.announcement{
  background:var(--yellow);
  color:#111827;
  text-align:center;
  padding:10px 15px;
  font-size:13px;
  font-weight:850;
}

.announcement a{
  text-decoration:underline;
}


/* hero refinements */

.hero-proof{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  margin-top:25px;
  color:#dbeafe;
  font-size:13px;
  font-weight:750;
}

.hero-proof span{
  display:flex;
  align-items:center;
  gap:7px;
}

.hero-proof span:before{
  content:"✓";
  width:20px;
  height:20px;
  display:grid;
  place-items:center;
  background:rgba(255,255,255,.12);
  border-radius:50%;
  color:var(--yellow);
}


/* course badges */

.institution{
  width:50px;
  height:50px;
  border-radius:14px;
  display:grid;
  place-items:center;
  font-size:13px;
  font-weight:950;
  color:#fff;
  background:var(--navy);
  margin-bottom:14px;
}

.institution.yellow{
  color:#111827;
  background:var(--yellow);
}

.institution.blue{
  background:var(--blue);
}


/* stats */

.big-stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}

.big-stat{
  background:#fff;
  border:1px solid var(--border);
  border-radius:18px;
  padding:28px;
}

.big-stat strong{
  display:block;
  font-size:36px;
  line-height:1;
  color:var(--navy);
  margin-bottom:10px;
}

.big-stat p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}


/* methodology */

.methodology-grid{
  display:grid;
  grid-template-columns:repeat(7,1fr);
  gap:12px;
}

.method-card{
  position:relative;
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  padding:22px 17px;
  min-height:190px;
}

.method-card .num{
  color:var(--blue);
  font-weight:950;
  font-size:13px;
}

.method-card h3{
  font-size:17px;
  color:var(--navy);
  margin:15px 0 8px;
}

.method-card p{
  color:var(--muted);
  font-size:13px;
  margin:0;
}


/* calendar */

.calendar-grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:15px;
}

.calendar-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  padding:22px;
}

.calendar-card.featured{
  background:var(--navy);
  color:#fff;
  border-color:var(--navy);
}

.calendar-month{
  color:var(--blue);
  font-size:12px;
  font-weight:950;
  letter-spacing:1px;
}

.calendar-card.featured .calendar-month{
  color:var(--yellow);
}

.calendar-day{
  font-size:36px;
  font-weight:950;
  line-height:1;
  margin:10px 0;
}

.calendar-status{
  font-size:12px;
  color:var(--muted);
}

.calendar-card.featured .calendar-status{
  color:#dbeafe;
}


/* includes */

.includes{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:15px;
}

.include{
  display:flex;
  align-items:flex-start;
  gap:12px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:14px;
  padding:18px;
}

.check{
  flex:0 0 30px;
  width:30px;
  height:30px;
  display:grid;
  place-items:center;
  border-radius:9px;
  background:#eaf2ff;
  color:var(--blue);
  font-weight:950;
}

.include strong{
  display:block;
  color:var(--navy);
}

.include small{
  display:block;
  color:var(--muted);
  margin-top:3px;
}


/* challenge */

.challenge{
  background:
    radial-gradient(circle at 85% 30%,
    rgba(18,100,216,.35),transparent 28%),
    var(--navy);
  border-radius:26px;
  color:#fff;
  padding:48px;
  display:grid;
  grid-template-columns:1fr .75fr;
  gap:50px;
  align-items:center;
}

.challenge h2{
  font-size:38px;
  line-height:1.08;
  margin:10px 0;
}

.challenge p{
  color:#cbd5e1;
}

.challenge-box{
  background:#fff;
  color:var(--text);
  padding:28px;
  border-radius:20px;
}

.challenge-data{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}

.challenge-data div{
  background:var(--light);
  border-radius:13px;
  padding:20px;
  text-align:center;
}

.challenge-data strong{
  display:block;
  font-size:30px;
  color:var(--navy);
}

.challenge-data span{
  font-size:12px;
  color:var(--muted);
}


/* teachers */

.teachers{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}

.teacher{
  border:1px solid var(--border);
  border-radius:18px;
  overflow:hidden;
  background:#fff;
}

.teacher-photo{
  height:180px;
  display:grid;
  place-items:center;
  background:
    linear-gradient(135deg,#e9f1fb,#f8fafc);
  color:var(--navy);
  font-size:48px;
  font-weight:950;
}

.teacher-body{
  padding:20px;
}

.teacher h3{
  margin:0 0 5px;
  color:var(--navy);
}

.teacher p{
  color:var(--muted);
  font-size:13px;
}


/* testimonials */

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

.testimonial{
  background:#fff;
  border:1px solid var(--border);
  border-radius:18px;
  padding:26px;
}

.stars{
  color:#e5a900;
  letter-spacing:3px;
}

.testimonial p{
  color:#475569;
  font-size:14px;
}

.testimonial strong{
  color:var(--navy);
}


/* contact */

.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:35px;
}

.contact-card{
  border-radius:20px;
  padding:32px;
  background:var(--navy);
  color:#fff;
}

.contact-card h3{
  font-size:28px;
  margin-top:0;
}

.contact-item{
  padding:14px 0;
  border-bottom:1px solid rgba(255,255,255,.12);
}

.contact-item:last-child{
  border:0;
}

.contact-item small{
  display:block;
  color:#94a3b8;
}

.contact-item strong{
  display:block;
  margin-top:3px;
}


/* whatsapp better */

.whatsapp{
  font-size:0;
}

.whatsapp:before{
  content:"WA";
  font-size:15px;
  font-weight:950;
}


/* responsive */

@media(max-width:1100px){

  .methodology-grid{
    grid-template-columns:repeat(4,1fr);
  }

  .calendar-grid{
    grid-template-columns:repeat(3,1fr);
  }

  .teachers{
    grid-template-columns:repeat(2,1fr);
  }

}


@media(max-width:850px){

  .big-stats,
  .includes,
  .testimonials{
    grid-template-columns:1fr 1fr;
  }

  .challenge,
  .contact-grid{
    grid-template-columns:1fr;
  }

}


@media(max-width:620px){

  .big-stats,
  .methodology-grid,
  .calendar-grid,
  .includes,
  .teachers,
  .testimonials{
    grid-template-columns:1fr;
  }

  .challenge{
    padding:30px 22px;
  }

  .section{
    padding:65px 0;
  }

}

/* ===================================================
   BUILD 6 - COURSE PAGES
   =================================================== */

.course-hero{
  background:
    radial-gradient(circle at 85% 25%,
      rgba(18,100,216,.35),transparent 30%),
    linear-gradient(125deg,#06172e,#0b2d59);
  color:#fff;
  padding:75px 0;
}

.course-hero-grid{
  display:grid;
  grid-template-columns:1.1fr .75fr;
  gap:55px;
  align-items:center;
}

.course-hero h1{
  font-size:clamp(42px,6vw,68px);
  line-height:1;
  margin:18px 0;
  letter-spacing:-2px;
}

.course-hero p{
  color:#d6e0ed;
  font-size:18px;
  max-width:680px;
}

.course-summary{
  background:#fff;
  color:var(--text);
  border-radius:22px;
  padding:28px;
  box-shadow:0 25px 70px rgba(0,0,0,.2);
}

.summary-row{
  display:flex;
  justify-content:space-between;
  gap:20px;
  padding:14px 0;
  border-bottom:1px solid var(--border);
}

.summary-row:last-child{
  border:0;
}

.summary-row span{
  color:var(--muted);
  font-size:13px;
}

.summary-row strong{
  color:var(--navy);
  text-align:right;
}

.subject-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}

.subject{
  border:1px solid var(--border);
  background:#fff;
  border-radius:14px;
  padding:18px;
  font-weight:800;
  color:var(--navy);
}

.area-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
}

.area{
  background:#fff;
  border:1px solid var(--border);
  border-radius:18px;
  padding:26px;
}

.area-number{
  min-width:42px;
  width:max-content;
  padding:0 11px;
  height:42px;
  border-radius:11px;
  background:var(--navy);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:12px;
  font-weight:950;
}

.area h3{
  color:var(--navy);
  margin:16px 0 8px;
}

.area p{
  color:var(--muted);
  font-size:14px;
  margin-bottom:0;
}

.exam-table{
  width:100%;
  border-collapse:collapse;
  background:#fff;
  border-radius:18px;
  overflow:hidden;
  box-shadow:0 0 0 1px var(--border);
}

.exam-table th,
.exam-table td{
  padding:17px 20px;
  text-align:left;
  border-bottom:1px solid var(--border);
}

.exam-table th{
  background:var(--navy);
  color:#fff;
  font-size:13px;
}

.exam-table td{
  font-size:14px;
}

.exam-table tr:last-child td{
  border-bottom:0;
}

.exam-table .total td{
  font-weight:950;
  color:var(--navy);
}

.course-benefits{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:15px;
}

.course-benefit{
  border:1px solid var(--border);
  border-radius:15px;
  padding:20px;
  background:#fff;
}

.course-benefit strong{
  color:var(--navy);
  display:block;
  margin-bottom:5px;
}

.course-benefit p{
  margin:0;
  color:var(--muted);
  font-size:13px;
}

.breadcrumb{
  font-size:13px;
  color:#94a3b8;
  margin-bottom:25px;
}

.breadcrumb a{
  color:#dbeafe;
}

.course-note{
  margin-top:22px;
  padding:17px 20px;
  border-left:4px solid var(--yellow);
  background:#fff9df;
  color:var(--navy);
  border-radius:0 12px 12px 0;
  font-weight:750;
}

@media(max-width:850px){

  .course-hero-grid,
  .area-grid{
    grid-template-columns:1fr;
  }

  .subject-grid,
  .course-benefits{
    grid-template-columns:1fr 1fr;
  }
}

@media(max-width:550px){

  .subject-grid,
  .course-benefits{
    grid-template-columns:1fr;
  }

  .course-hero{
    padding:55px 0;
  }

  .course-hero h1{
    letter-spacing:-1px;
  }

  .exam-table th,
  .exam-table td{
    padding:12px 10px;
  }
}