@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

:root{
  --bg:#070a12;
  --bg2:#0c1020;
  --panel:#111729;
  --text:#eef3ff;
  --muted:#9aa6bf;
  --line:rgba(255,255,255,.10);
  --accent:#2aa9ff;
  --accent2:#7c4dff;
  --good:#43e0ae;
  --shadow:0 30px 80px rgba(0,0,0,.38);
  --radius:26px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Inter,system-ui,sans-serif;
  background:radial-gradient(circle at top right, rgba(42,169,255,.08), transparent 35%),var(--bg);
  color:var(--text);line-height:1.65;overflow-x:hidden
}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
button,input,textarea{font:inherit}
button{cursor:pointer}
code{color:#a9dfff}
.progress{position:fixed;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--accent),var(--accent2));z-index:1000}

.topbar{
  position:fixed;inset:14px 18px auto;z-index:500;
  display:flex;align-items:center;justify-content:space-between;
  max-width:1180px;margin:auto;padding:12px 16px;
  background:rgba(7,10,18,.68);backdrop-filter:blur(18px);
  border:1px solid var(--line);border-radius:20px
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.04em}
.brand-mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));font-family:"Space Grotesk"
}
.brand-dot{color:var(--accent)}
.nav{display:flex;gap:20px;align-items:center}
.nav a{font-size:.88rem;color:#c4cce0;transition:.2s}
.nav a:hover{color:white}
.menu-toggle{display:none;background:none;border:0;color:white;font-size:1.45rem}

.hero{min-height:100vh;position:relative;display:grid;place-items:center;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(4,6,13,.94),rgba(4,6,13,.55) 55%,rgba(4,6,13,.88)),
  linear-gradient(0deg,rgba(4,6,13,.9),transparent 40%),
  url("img/pratica08.jpeg") center/cover no-repeat;
  transform:scale(1.04)
}
.grid-overlay{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(to bottom,#000 5%,transparent 95%)}
.hero-content{position:relative;z-index:2;width:min(1180px,92vw);padding-top:70px}
.eyebrow{color:#84d3ff;text-transform:uppercase;letter-spacing:.18em;font-size:.75rem;font-weight:700;margin-bottom:18px}
.hero h1,.section h2{font-family:"Space Grotesk",sans-serif;line-height:1.05;letter-spacing:-.06em}
.hero h1{font-size:clamp(3rem,7vw,6.3rem);max-width:850px}
.hero h1 span,.section h2 span{background:linear-gradient(90deg,#9bddff,#b69bff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-subtitle{font-size:clamp(1.05rem,2vw,1.35rem);color:#d1d7e7;max-width:680px;margin:24px 0 30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:14px;padding:13px 18px;border:1px solid var(--line);font-weight:700;transition:.25s}
.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));border-color:transparent;box-shadow:0 10px 35px rgba(42,169,255,.18)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 16px 45px rgba(42,169,255,.26)}
.btn.ghost{background:rgba(255,255,255,.04)}
.btn.ghost:hover{background:rgba(255,255,255,.08)}
.hero-stats{display:flex;gap:28px;margin-top:60px;flex-wrap:wrap}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats strong{font-size:1.6rem}
.hero-stats span{font-size:.78rem;color:var(--muted)}
.scroll-hint{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);font-size:.78rem;color:#aab4cb}

.section{width:min(1180px,92vw);margin:auto;padding:110px 0}
.section.dark{width:100%;max-width:none;padding-left:max(4vw,calc((100vw - 1180px)/2));padding-right:max(4vw,calc((100vw - 1180px)/2));background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,.005))}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
.section h2{font-size:clamp(2.2rem,5vw,4.1rem);max-width:760px}
.section-note{max-width:360px;color:var(--muted);font-size:.95rem}
.two-col{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}
.story-card{background:linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.018));border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.story-card p+p{margin-top:18px}
blockquote{margin-top:26px;padding:18px 20px;border-left:3px solid var(--accent);background:rgba(42,169,255,.06);border-radius:0 14px 14px 0;color:#d8e6ff;font-style:italic}

.courses-section{padding-top:50px}
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.course-card{min-height:150px;padding:22px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,rgba(42,169,255,.09),rgba(124,77,255,.04));transition:.25s}
.course-card:hover{transform:translateY(-4px);border-color:rgba(42,169,255,.42);box-shadow:0 16px 36px rgba(0,0,0,.2)}
.course-card span{display:block;margin-bottom:22px;color:#8ed8ff;font:700 .72rem "Space Grotesk";letter-spacing:.14em}
.course-card h3{font:600 clamp(1.1rem,2vw,1.35rem)/1.2 "Space Grotesk";letter-spacing:-.03em}

.feature-practice{display:grid;grid-template-columns:1fr 1.2fr;gap:35px;align-items:center;margin-bottom:32px}
.feature-copy{padding:12px 0}
.tag{display:inline-flex;padding:7px 10px;border-radius:999px;background:rgba(42,169,255,.10);color:#90d9ff;border:1px solid rgba(42,169,255,.2);font-size:.67rem;letter-spacing:.14em;font-weight:800}
.feature-copy h3{font:700 clamp(2rem,4vw,3rem)/1.05 "Space Grotesk";margin:18px 0 16px}
.feature-copy p{color:var(--muted);max-width:560px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.chips span{padding:8px 10px;border:1px solid var(--line);border-radius:999px;color:#cdd7ed;font-size:.8rem}
.feature-image{overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}
.feature-image img{width:100%;height:430px;object-fit:cover}

.filter-row{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 24px}
.filter{border:1px solid var(--line);background:rgba(255,255,255,.03);color:#b6c1d7;padding:9px 14px;border-radius:999px}
.filter.active,.filter:hover{background:rgba(42,169,255,.12);color:#dff3ff;border-color:rgba(42,169,255,.3)}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.photo-card{position:relative;overflow:hidden;border-radius:20px;border:1px solid var(--line);background:#0b1020;min-height:280px;cursor:zoom-in}
.photo-card img{width:100%;height:100%;min-height:280px;object-fit:cover;transition:.45s}
.photo-card:hover img{transform:scale(1.045)}
.photo-caption{position:absolute;left:0;right:0;bottom:0;padding:46px 18px 18px;background:linear-gradient(transparent,rgba(0,0,0,.88));}
.photo-caption span{font-size:.68rem;text-transform:uppercase;letter-spacing:.14em;color:#8ed8ff}
.photo-caption h3{font:600 1.05rem "Space Grotesk";margin-top:5px}

.mosaic{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-auto-rows:220px;gap:14px}
.mosaic img{width:100%;height:100%;object-fit:cover;border-radius:20px;border:1px solid var(--line)}
.mosaic-tall{grid-row:span 2}
.mosaic img:last-child{grid-column:2/4}
.moments-mosaic{grid-template-columns:repeat(2,1fr);grid-auto-rows:360px}
.moments-mosaic img:last-child{grid-column:auto}

.video-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:center}
.video-copy p:last-child{color:var(--muted);max-width:520px}
.video-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.video-frame{position:relative;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:#05070d;box-shadow:var(--shadow)}
.video-frame:first-child{grid-column:1/-1}
.video-frame video{width:100%;display:block;aspect-ratio:16/9;background:#000}
.video-caption{padding:14px 16px;color:#d7e6ff;font-size:.85rem}

.cards{display:grid;gap:16px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.info-card{position:relative;text-align:left;border:1px solid var(--line);background:linear-gradient(150deg,rgba(255,255,255,.05),rgba(255,255,255,.015));border-radius:22px;padding:25px;color:white;transition:.25s}
.info-card:hover{transform:translateY(-5px);border-color:rgba(42,169,255,.3)}
.info-card .icon{font-size:1.75rem;display:block;margin-bottom:20px}
.info-card h3{font:600 1.4rem "Space Grotesk";margin-bottom:8px}
.info-card p{color:var(--muted);text-align:left}

.teacher-card{display:flex;gap:25px;align-items:center;border:1px solid var(--line);background:linear-gradient(130deg,rgba(255,255,255,.05),rgba(255,255,255,.015));border-radius:24px;padding:28px}
.teacher-avatar{width:76px;height:76px;border-radius:20px;display:grid;place-items:center;font-size:2rem;background:linear-gradient(135deg,rgba(42,169,255,.15),rgba(124,77,255,.18));flex:none}
.teacher-card h3{font:700 1.7rem "Space Grotesk";margin:10px 0 6px}
.teacher-card p{color:var(--muted);max-width:700px}

.capsule{padding-bottom:130px}
.capsule-card{display:grid;grid-template-columns:1fr 1fr;gap:35px;padding:36px;border-radius:28px;background:radial-gradient(circle at top right,rgba(124,77,255,.16),transparent 30%),linear-gradient(145deg,#10162a,#0c101d);border:1px solid var(--line);box-shadow:var(--shadow)}
.capsule-card h2{font-size:clamp(2.2rem,4vw,3.6rem);margin-bottom:15px}
.capsule-card>div>p:last-child{color:var(--muted)}
form{display:grid;gap:12px}
input,textarea{width:100%;border:1px solid var(--line);background:rgba(0,0,0,.16);color:white;border-radius:14px;padding:13px 14px;outline:none}
textarea{min-height:145px;resize:vertical}
input:focus,textarea:focus{border-color:rgba(42,169,255,.55);box-shadow:0 0 0 4px rgba(42,169,255,.07)}
.form-feedback{min-height:20px;color:var(--good);font-size:.85rem}
.messages{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.message{border:1px solid var(--line);padding:15px;border-radius:16px;background:rgba(255,255,255,.03)}
.message strong{display:block;margin-bottom:4px}
.message p{color:#b8c2d6;font-size:.9rem}

footer{padding:34px max(4vw,calc((100vw - 1180px)/2));display:flex;justify-content:space-between;gap:20px;background:#05070d;border-top:1px solid var(--line);color:#a7b1c7}
footer strong{color:white}
.footer-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px;text-align:right;font-size:.76rem}

.to-top{position:fixed;right:22px;bottom:22px;width:45px;height:45px;border-radius:50%;border:1px solid var(--line);background:rgba(10,14,26,.75);backdrop-filter:blur(12px);color:white;display:none;z-index:400}
.to-top.show{display:block}

.lightbox,.modal{position:fixed;inset:0;background:rgba(0,0,0,.82);backdrop-filter:blur(10px);display:none;align-items:center;justify-content:center;z-index:900;padding:22px}
.lightbox.open,.modal.open{display:flex}
.lightbox figure{max-width:min(1000px,88vw);max-height:90vh}
.lightbox img{max-height:78vh;width:auto;max-width:100%;border-radius:18px;border:1px solid var(--line)}
.lightbox figcaption{margin-top:10px;text-align:center;color:#cbd5e8}
.lightbox button,.modal-close{position:absolute;border:0;background:rgba(255,255,255,.08);color:white;border-radius:50%;width:44px;height:44px;font-size:1.7rem}
.lightbox-close{top:22px;right:22px}
.lightbox-prev{left:20px;top:50%;transform:translateY(-50%)}
.lightbox-next{right:20px;top:50%;transform:translateY(-50%)}
.modal-box{position:relative;max-width:620px;padding:32px;border-radius:24px;border:1px solid var(--line);background:#0d1324;box-shadow:var(--shadow)}
.modal-close{top:14px;right:14px}
.modal h2{font:700 2rem "Space Grotesk";margin-bottom:10px}
.modal p:last-child{color:#aab4ca}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
.photo-card.hide{display:none}

@media (max-width: 900px){
  .nav{display:none;position:absolute;top:64px;left:0;right:0;padding:12px;flex-direction:column;background:rgba(7,10,18,.96);border:1px solid var(--line);border-radius:18px}
  .nav.open{display:flex}
  .menu-toggle{display:block}
  .two-col,.feature-practice,.video-section,.capsule-card{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .course-grid{grid-template-columns:repeat(2,1fr)}
  .cards.three{grid-template-columns:1fr}
  .messages{grid-template-columns:1fr}
  .section-heading{align-items:start;flex-direction:column}
  .mosaic{grid-template-columns:1fr 1fr;grid-auto-rows:190px}
  .moments-mosaic{grid-template-columns:repeat(2,1fr);grid-auto-rows:300px}
  .video-gallery{grid-template-columns:repeat(2,1fr)}
  .mosaic-tall{grid-row:span 2}
  .mosaic img:last-child{grid-column:auto}
  .footer-meta{align-items:flex-start;text-align:left}
  footer{flex-direction:column}
}
@media (max-width: 600px){
  .topbar{inset:10px 10px auto}
  .hero-content{padding-top:55px}
  .hero h1{font-size:clamp(2.8rem,14vw,4.2rem)}
  .hero-stats{gap:18px}
  .section{padding:82px 0}
  .section.dark{padding-left:4vw;padding-right:4vw}
  .gallery-grid{grid-template-columns:1fr}
  .course-grid{grid-template-columns:1fr}
  .video-gallery{grid-template-columns:1fr}
  .video-frame:first-child{grid-column:auto}
  .photo-card,.photo-card img{min-height:330px}
  .mosaic{grid-template-columns:1fr;grid-auto-rows:240px}
  .moments-mosaic{grid-template-columns:1fr;grid-auto-rows:280px}
  .mosaic-tall{grid-row:span 1}
  .teacher-card{align-items:flex-start}
  .lightbox-prev{left:8px}.lightbox-next{right:8px}
}