@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,400&family=Inter:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* ================= RESET ================= */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  font-family:var(--font-sans);
  background:var(--cream);
  color:var(--td2);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; border:none; background:none; }
ul{ list-style:none; }
:focus-visible{ outline:2px solid var(--gold); outline-offset:3px; }

/* ================= LAYOUT ================= */
.wrap{ max-width:var(--container); margin:0 auto; padding:0 var(--gutter); }
.sec{ padding:96px 0; position:relative; }
.sec--tight{ padding:64px 0; }
.sec--dark{ background:var(--onyx); color:var(--t2); }
.sec--cream{ background:var(--cream); }
.sec--ivory{ background:var(--ivory); }
.sec--gold{ background:linear-gradient(135deg,var(--gold-deep),var(--gold)); color:var(--onyx); }
.grid{ display:grid; gap:32px; }
.g-2{ grid-template-columns:repeat(2,1fr); }
.g-3{ grid-template-columns:repeat(3,1fr); }
.g-4{ grid-template-columns:repeat(4,1fr); }
.split{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
@media(max-width:900px){
  .g-2,.g-3,.g-4{ grid-template-columns:1fr 1fr; }
  .split{ grid-template-columns:1fr; gap:40px; }
}
@media(max-width:600px){
  .g-2,.g-3,.g-4{ grid-template-columns:1fr; }
  .sec{ padding:64px 0; }
}

/* ================= TYPE ================= */
.eyebrow{
  font-family:var(--font-mono); font-size:11px; font-weight:600;
  letter-spacing:.2em; text-transform:uppercase; color:var(--gold);
  display:inline-flex; align-items:center; gap:10px;
}
.eyebrow::before{ content:''; width:24px; height:1px; background:var(--gold); }
.t-h1{ font-family:var(--font-serif); font-weight:600; font-size:clamp(2.4rem,5vw,4.2rem); line-height:1.05; letter-spacing:-.01em; }
.t-h2{ font-family:var(--font-serif); font-weight:600; font-size:clamp(1.9rem,3.4vw,2.8rem); line-height:1.1; color:var(--td1); }
.t-h3{ font-family:var(--font-serif); font-weight:600; font-size:1.4rem; color:var(--td1); }
.lead{ font-size:1.15rem; line-height:1.7; }
.text-gold{ color:var(--gold); }
.text-center{ text-align:center; margin-left:auto; margin-right:auto; }

/* ================= FACET SIGNATURE ================= (one clipped corner, like a bezel-set gem) */
.facet{
  clip-path: polygon(0 0, calc(100% - var(--facet)) 0, 100% var(--facet), 100% 100%, 0 100%);
}
.facet-sm{ --facet:14px; }

/* ================= BUTTONS ================= */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:15px 32px; font-weight:600; font-size:14.5px; letter-spacing:.01em;
  transition:transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  white-space:nowrap;
}
.btn-gold{ background:var(--gold); color:var(--onyx); }
.btn-gold:hover{ transform:translateY(-2px); box-shadow:var(--shadow-gold); background:var(--gold-light); }
.btn-outline{ border:1.5px solid var(--gold); color:var(--gold); background:transparent; padding:13.5px 30px; }
.btn-outline:hover{ background:var(--gold); color:var(--onyx); transform:translateY(-2px); }
.btn-outline-dark{ border:1.5px solid var(--td1); color:var(--td1); padding:13.5px 30px; }
.btn-outline-dark:hover{ background:var(--td1); color:var(--cream); }
.btn-ghost{ color:var(--gold); font-weight:600; font-size:14px; }
.btn-ghost::after{ content:'→'; margin-left:6px; transition:transform var(--dur-fast); display:inline-block; }
.btn-ghost:hover::after{ transform:translateX(4px); }
.btn-block{ width:100%; }
.btn-sm{ padding:10px 20px; font-size:13px; }

/* ================= NAV ================= */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:200;
  padding:18px 0; transition:background var(--dur-fast) var(--ease-soft), padding var(--dur-fast), box-shadow var(--dur-fast);
}
.nav.is-scrolled{ background:rgba(14,12,10,.92); backdrop-filter:blur(14px); padding:12px 0; box-shadow:0 4px 30px rgba(0,0,0,.25); }
.nav__inner{ display:flex; align-items:center; justify-content:space-between; gap:24px; }
.nav__logo{ display:flex; align-items:center; gap:10px; }
.nav__logo img{ height:38px; width:auto; }
.nav__logo-text{ font-family:var(--font-serif); font-weight:600; font-size:1.15rem; color:var(--t1); letter-spacing:.01em; }
.nav__logo-text span{ color:var(--gold); }
.nav__links{ display:flex; align-items:center; gap:34px; }
.nav__links a{ font-size:14.5px; font-weight:500; color:var(--t2); transition:color var(--dur-fast); position:relative; }
.nav__links a:hover, .nav__links a.active{ color:var(--gold); }
.nav__links a::after{ content:''; position:absolute; left:0; bottom:-6px; width:0; height:1.5px; background:var(--gold); transition:width var(--dur-fast) var(--ease); }
.nav__links a:hover::after{ width:100%; }
.nav__cta{ display:flex; align-items:center; gap:14px; }
.nav__icon-btn{ color:var(--t1); font-size:18px; position:relative; }
.nav__burger{ display:none; flex-direction:column; gap:5px; cursor:pointer; }
.nav__burger span{ width:24px; height:2px; background:var(--t1); transition:all var(--dur-fast); }
@media(max-width:1024px){
  .nav__links{ position:fixed; top:0; right:-100%; width:78%; max-width:340px; height:100vh; background:var(--onyx); flex-direction:column; justify-content:center; align-items:flex-start; padding:0 40px; transition:right var(--dur) var(--ease); box-shadow:-20px 0 60px rgba(0,0,0,.4); }
  .nav__links.is-open{ right:0; }
  .nav__links a{ font-size:1.1rem; padding:12px 0; width:100%; border-bottom:1px solid rgba(255,255,255,.08); }
  .nav__burger{ display:flex; z-index:210; }
  .nav__burger.is-open span:nth-child(1){ transform:rotate(45deg) translate(5px,5px); }
  .nav__burger.is-open span:nth-child(2){ opacity:0; }
  .nav__burger.is-open span:nth-child(3){ transform:rotate(-45deg) translate(5px,-5px); }
  .nav__cta .btn-outline{ display:none; }
}

/* ================= HERO ================= */
.hero{ position:relative; min-height:100svh; display:flex; align-items:center; background:var(--onyx); color:var(--t1); overflow:hidden; padding-top:100px; }
.hero__bg{ position:absolute; inset:0; background:
  radial-gradient(ellipse 60% 50% at 80% 20%, rgba(201,162,75,.16), transparent 60%),
  radial-gradient(ellipse 50% 40% at 10% 80%, rgba(122,38,53,.12), transparent 60%);
  z-index:0; }
.hero__grain{ position:absolute; inset:0; opacity:.05; z-index:0; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
.hero__facets{ position:absolute; inset:0; z-index:0; pointer-events:none; }
.hero__inner{ position:relative; z-index:1; display:grid; grid-template-columns:1.1fr .9fr; gap:60px; align-items:center; width:100%; }
.hero__stats{ display:flex; gap:36px; margin-top:40px; flex-wrap:wrap; }
.hero__stat b{ font-family:var(--font-serif); font-size:2rem; color:var(--gold); display:block; }
.hero__stat span{ font-size:12.5px; color:var(--t2); text-transform:uppercase; letter-spacing:.08em; }
.hero__visual{ position:relative; aspect-ratio:4/5; }
.hero__visual img{ width:100%; height:100%; object-fit:cover; }
.hero__scroll{ position:absolute; bottom:32px; left:50%; transform:translateX(-50%); display:flex; flex-direction:column; align-items:center; gap:8px; z-index:2; }
.hero__scroll span{ font-family:var(--font-mono); font-size:10px; letter-spacing:.15em; color:var(--t2); text-transform:uppercase; }
.hero__scroll i{ width:1px; height:36px; background:linear-gradient(var(--gold),transparent); display:block; animation:scrollLine 2s var(--ease-soft) infinite; }
@keyframes scrollLine{ 0%{ opacity:0; transform:scaleY(0); transform-origin:top;} 40%{opacity:1;transform:scaleY(1);transform-origin:top;} 60%{opacity:1;transform:scaleY(1);transform-origin:bottom;} 100%{opacity:0;transform:scaleY(0);transform-origin:bottom;} }
@media(max-width:900px){ .hero__inner{ grid-template-columns:1fr; } .hero__visual{ order:-1; aspect-ratio:16/10; } }

/* ================= CARDS ================= */
.card{ background:var(--ivory); padding:36px 30px; box-shadow:var(--shadow-card); transition:transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast); border:1px solid rgba(28,23,18,.06); }
.card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-soft); }
.card--dark{ background:var(--onyx-2); border-color:rgba(255,255,255,.06); }
.card__icon{ width:52px; height:52px; display:flex; align-items:center; justify-content:center; background:rgba(201,162,75,.12); color:var(--gold); font-size:22px; margin-bottom:20px; clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%); }

/* ================= COURSE CARDS ================= */
.course-card{ background:var(--ivory); box-shadow:var(--shadow-card); overflow:hidden; display:flex; flex-direction:column; transition:transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast); border:1px solid rgba(28,23,18,.06); }
.course-card:hover{ transform:translateY(-8px); box-shadow:var(--shadow-soft); }
.course-card__img{ position:relative; aspect-ratio:16/10; overflow:hidden; }
.course-card__img img{ width:100%; height:100%; object-fit:cover; transition:transform .6s var(--ease); }
.course-card:hover .course-card__img img{ transform:scale(1.08); }
.course-card__badge{ position:absolute; top:14px; left:14px; background:var(--onyx); color:var(--gold); font-family:var(--font-mono); font-size:11px; padding:6px 12px; letter-spacing:.06em; }
.course-card__level{ position:absolute; top:14px; right:14px; background:rgba(255,255,255,.92); color:var(--td1); font-size:11px; font-weight:600; padding:6px 12px; }
.course-card__body{ padding:26px; display:flex; flex-direction:column; gap:12px; flex:1; }
.course-card__meta{ display:flex; gap:16px; font-size:12.5px; color:var(--td2); font-family:var(--font-mono); }
.course-card__title{ font-family:var(--font-serif); font-size:1.25rem; color:var(--td1); font-weight:600; }
.course-card__desc{ font-size:14px; color:var(--td2); line-height:1.6; }
.course-card__footer{ margin-top:auto; display:flex; align-items:center; justify-content:space-between; padding-top:16px; border-top:1px solid rgba(28,23,18,.08); }
.course-card__price{ font-family:var(--font-serif); font-size:1.4rem; color:var(--td1); font-weight:600; }
.course-card__price small{ font-size:.6em; color:var(--td2); font-weight:400; text-decoration:line-through; margin-left:6px; }

/* ================= TESTIMONIAL / MARQUEE ================= */
.marquee{ overflow:hidden; white-space:nowrap; border-top:1px solid rgba(255,255,255,.1); border-bottom:1px solid rgba(255,255,255,.1); padding:22px 0; }
.marquee__track{ display:inline-flex; gap:60px; animation:marquee 28s linear infinite; }
.marquee span{ font-family:var(--font-serif); font-size:1.6rem; color:var(--t2); }
.marquee span em{ color:var(--gold); font-style:normal; }
@keyframes marquee{ 0%{transform:translateX(0);} 100%{transform:translateX(-50%);} }

/* ================= FORMS ================= */
.field{ margin-bottom:20px; }
.field label{ display:block; font-size:13px; font-weight:600; color:var(--td1); margin-bottom:8px; letter-spacing:.01em; }
.field input, .field select, .field textarea{
  width:100%; padding:14px 16px; background:var(--ivory); border:1.5px solid rgba(28,23,18,.14);
  font-family:var(--font-sans); font-size:14.5px; color:var(--td1); transition:border-color var(--dur-fast);
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color:var(--gold); outline:none; }
.field--dark input, .field--dark select, .field--dark textarea{ background:var(--onyx-2); border-color:rgba(255,255,255,.12); color:var(--t1); }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media(max-width:600px){ .field-row{ grid-template-columns:1fr; } }

/* ================= FOOTER ================= */
.footer{ background:var(--onyx); color:var(--t2); padding:80px 0 30px; }
.footer__top{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:50px; padding-bottom:56px; border-bottom:1px solid rgba(255,255,255,.08); }
.footer__col h4{ color:var(--t1); font-size:14px; font-weight:600; margin-bottom:18px; letter-spacing:.03em; }
.footer__col a, .footer__col p{ display:block; font-size:14px; color:var(--t2); margin-bottom:12px; transition:color var(--dur-fast); }
.footer__col a:hover{ color:var(--gold); }
.footer__bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:26px; font-size:13px; flex-wrap:wrap; gap:12px; }
.footer__social{ display:flex; gap:12px; }
.footer__social a{ width:38px; height:38px; display:flex; align-items:center; justify-content:center; background:var(--onyx-2); color:var(--t1); transition:all var(--dur-fast); }
.footer__social a:hover{ background:var(--gold); color:var(--onyx); }
@media(max-width:900px){ .footer__top{ grid-template-columns:1fr 1fr; } }
@media(max-width:600px){ .footer__top{ grid-template-columns:1fr; } }

/* ================= WHATSAPP + CHAT ================= */
.float-actions{ position:fixed; right:22px; bottom:22px; z-index:150; display:flex; flex-direction:column; gap:14px; align-items:flex-end; }
.float-btn{ width:56px; height:56px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:26px; box-shadow:0 10px 30px rgba(0,0,0,.3); transition:transform var(--dur-fast) var(--ease); }
.float-btn:hover{ transform:scale(1.08) translateY(-2px); }
.float-btn--wa{ background:#25D366; color:#fff; }
.float-btn--chat{ background:var(--gold); color:var(--onyx); }
.float-btn--top{ background:var(--onyx-2); color:var(--gold); width:44px; height:44px; font-size:16px; opacity:0; pointer-events:none; transition:opacity var(--dur-fast); }
.float-btn--top.show{ opacity:1; pointer-events:auto; }

/* ================= REVEAL ANIMATION HOOKS ================= */
[data-reveal]{ opacity:0; transform:translateY(28px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
[data-reveal].in{ opacity:1; transform:translateY(0); }
[data-reveal="fade"]{ transform:none; }
[data-reveal="left"]{ transform:translateX(-32px); }
[data-reveal="left"].in{ transform:translateX(0); }
[data-reveal="right"]{ transform:translateX(32px); }
[data-reveal="right"].in{ transform:translateX(0); }
[data-reveal-group] > *{ transition-delay:calc(var(--i,0) * 90ms); }

/* ================= UTIL ================= */
.badge{ display:inline-flex; align-items:center; gap:6px; font-family:var(--font-mono); font-size:11px; padding:6px 12px; background:rgba(201,162,75,.12); color:var(--gold); letter-spacing:.05em; }
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head.text-center{ margin-left:auto; margin-right:auto; }
.img-frame{ position:relative; overflow:hidden; }
.img-frame img{ width:100%; height:100%; object-fit:cover; }
.mt-8{ margin-top:8px;} .mt-16{margin-top:16px;} .mt-24{margin-top:24px;} .mt-32{margin-top:32px;} .mt-48{margin-top:48px;}