/* ===================================================================
   GSUS — Producción Musical
   Paleta oscura + acento azul eléctrico oscuro. Vanilla CSS, sin build.
   =================================================================== */

:root{
  --bg: #0a0b0d;
  --bg-alt: #101318;
  --bg-elevated: #14181f;
  --fg: #f4f5f7;
  --fg-muted: #9aa1ad;
  --fg-faint: #666d7a;
  --line: rgba(244,245,247,0.10);
  --line-strong: rgba(244,245,247,0.18);

  --accent: #23348f;
  --accent-2: #0d1442;
  --accent-bright: #445adb;
  --accent-soft: rgba(35,52,143,0.16);
  --accent-glow: rgba(35,52,143,0.55);

  --shadow-lg: 0 24px 60px -20px rgba(0,0,0,0.6);

  --font-display: 'Instrument Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-body: 'Instrument Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-nav: 'Special Gothic Condensed One', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-script: 'Great Vibes', cursive;

  --container: 1240px;
  --nav-h: 84px;
  --ease: cubic-bezier(.16,.84,.44,1);
}

*,*::before,*::after{ box-sizing: border-box; }
html{
  scroll-behavior: smooth;
  background: var(--bg);
}
body{
  margin: 0;
  background-color: var(--bg);
  background-image:
    radial-gradient(60% 45% at 12% 8%, rgba(35,52,143,0.22), transparent 70%),
    radial-gradient(50% 40% at 88% 32%, rgba(68,90,219,0.14), transparent 70%),
    radial-gradient(55% 45% at 20% 82%, rgba(35,52,143,0.18), transparent 70%);
  background-repeat: no-repeat;
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
button{ font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
h1,h2,h3{ font-family: var(--font-display); margin: 0; letter-spacing: -0.03em; line-height: 1.05; }
p{ margin: 0; }
section[id]{ scroll-margin-top: var(--nav-h); }

::selection{ background: var(--accent); color: #fff; }

/* ---------- grain overlay ---------- */
.grain{
  position: fixed; inset: 0; z-index: 2; pointer-events: none;
  opacity: .05; mix-blend-mode: overlay;
  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' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- WhatsApp floating button ---------- */
.whatsapp-fab{
  position: fixed; left: 24px; bottom: 24px; z-index: 55;
  width: 58px; height: 58px; border-radius: 50%;
  border: 2px solid #2fd66b;
  box-shadow: 0 10px 30px -8px rgba(0,0,0,0.6), 0 0 0 0 rgba(47,214,107,0.55);
  opacity: 0; transform: translateY(16px) scale(.9); pointer-events:none;
  transition: opacity .4s var(--ease), transform .4s var(--ease), box-shadow .3s ease;
  animation: fabPulse 2.6s ease-in-out infinite;
}
.whatsapp-fab.is-visible{ opacity: 1; transform: translateY(0) scale(1); pointer-events:auto; }
.whatsapp-fab:hover{ transform: translateY(-4px) scale(1.05); }
.whatsapp-fab img{ width:100%; height:100%; object-fit:cover; border-radius:50%; }
@keyframes fabPulse{
  0%,100%{ box-shadow: 0 10px 30px -8px rgba(0,0,0,0.6), 0 0 0 0 rgba(47,214,107,0.45); }
  50%{ box-shadow: 0 10px 30px -8px rgba(0,0,0,0.6), 0 0 0 10px rgba(47,214,107,0); }
}

.whatsapp-fab__tip{
  position:absolute; left: calc(100% + 16px); top:50%; transform: translateY(-50%) scale(.85);
  background:#fff; color:#111; font-family: var(--font-body); font-style: normal;
  padding: 8px 16px; border-radius: 10px; font-size:.9rem; font-weight:600; white-space:nowrap;
  opacity:0; pointer-events:none; transition: opacity .25s ease, transform .25s ease;
  box-shadow: 0 8px 20px -6px rgba(0,0,0,0.4);
}
.whatsapp-fab__tip::after{
  content:''; position:absolute; left:-6px; top:50%; transform:translateY(-50%);
  border-width:6px 6px 6px 0; border-style:solid; border-color:transparent #fff transparent transparent;
}
.whatsapp-fab:hover .whatsapp-fab__tip,
.whatsapp-fab:focus-visible .whatsapp-fab__tip{ opacity:1; transform: translateY(-50%) scale(1); }

@media (max-width: 760px){
  .whatsapp-fab{ left: 16px; bottom: 16px; width: 52px; height: 52px; }
}

/* ---------- scroll progress ---------- */
.progress-bar{ position: fixed; top:0; left:0; width:100%; height:2px; z-index: 60; background: transparent; }
.progress-bar span{ display:block; height:100%; width:0%; background: linear-gradient(90deg,var(--accent-bright),#8ea0ff); transition: width .1s linear; }

/* ---------- custom cursor ---------- */
.cursor-dot, .cursor-ring{
  position: fixed; top:0; left:0; pointer-events:none; z-index: 70;
  border-radius: 50%; transform: translate(-50%,-50%);
  will-change: transform; transition: opacity .3s ease;
}
.cursor-dot{ width:6px; height:6px; background: var(--fg); opacity:0; }
.cursor-ring{ width:34px; height:34px; border:1px solid var(--line-strong); opacity:0; transition: opacity .3s ease, transform .15s ease, border-color .2s ease; }
.cursor-ring.is-active{ transform: translate(-50%,-50%) scale(1.6); border-color: var(--accent); }
@media (hover:hover) and (pointer:fine){
  .cursor-dot.is-visible, .cursor-ring.is-visible{ opacity:1; }
}

/* ===================== NAV ===================== */
.nav{
  position: fixed; top:0; left:0; right:0; z-index: 50;
  height: var(--nav-h);
  display:flex; align-items:center; justify-content:space-between;
  padding: 0 clamp(20px,4vw,56px);
  background: rgba(10,11,13,0.6);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: height .35s var(--ease), border-color .35s ease, background .35s ease;
}
.nav.is-scrolled{
  height: 66px;
  border-bottom-color: var(--line);
  background: rgba(10,11,13,0.86);
}
.nav__brand{
  display:flex; align-items:center; gap:10px;
  font-family: var(--font-display); font-style: italic; font-weight:700; font-size:1.15rem; letter-spacing: .02em;
  color: var(--fg);
}
.nav__brand svg{ color: var(--accent-bright); }
.nav__avatar{
  width: 34px; height: 34px; border-radius: 50%; object-fit: cover;
  border: 1.5px solid var(--line-strong); transition: border-color .3s ease;
}
.nav__brand:hover .nav__avatar{ border-color: var(--accent-bright); }

.nav__links{ display:flex; align-items:center; gap: clamp(18px,2.4vw,36px); }
.nav__links a{
  position: relative; font-family: var(--font-nav); font-size: 1rem; letter-spacing: .02em; color: var(--fg-muted);
  padding: 8px 2px; transition: color .25s ease;
}
.nav__links a:not(.nav__cta)::after{
  content:''; position:absolute; left:0; bottom:2px; width:100%; height:1px;
  background: var(--fg); transform: scaleX(0); transform-origin: right;
  transition: transform .35s var(--ease);
}
.nav__links a:not(.nav__cta):hover{ color: var(--fg); }
.nav__links a:not(.nav__cta):hover::after{ transform: scaleX(1); transform-origin: left; }
.nav__links a.is-active{ color: var(--fg); }

.nav__links a.nav__cta{
  padding: 12px 26px; border-radius: 999px; font-size: 1.05rem;
  background: linear-gradient(155deg, var(--accent-bright), var(--accent) 60%, var(--accent-2));
  color:#fff !important; font-weight:500;
  box-shadow: 0 0 0 0 var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.16);
  transition: box-shadow .3s ease, transform .3s ease;
}
.nav__links a.nav__cta:hover{ box-shadow: 0 8px 28px -6px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.22); transform: translateY(-1px); }

.nav__toggle{ display:none; flex-direction:column; gap:5px; width:26px; z-index: 55; }
.nav__toggle span{ height:2px; width:100%; background: var(--fg); transition: transform .3s ease, opacity .3s ease; }

/* ===================== BUTTONS ===================== */
.btn{
  position: relative; display:inline-flex; align-items:center; justify-content:center;
  padding: 16px 30px; border-radius: 999px; font-size:.95rem; font-weight:500;
  overflow:hidden; isolation:isolate;
}
.btn span{ position:relative; z-index:2; }
.btn--solid{
  background: linear-gradient(155deg, var(--accent-bright), var(--accent) 55%, var(--accent-2));
  color:#fff;
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,0.14);
  transition: box-shadow .35s ease, transform .2s ease;
}
.btn--solid:hover{ box-shadow: 0 10px 40px -8px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.2); transform: translateY(-2px); }
.btn--ghost{
  border: 1px solid var(--line-strong); color: var(--fg);
  background: rgba(255,255,255,0.02);
  transition: border-color .3s ease, transform .2s ease, background .3s ease;
}
.btn--ghost:hover{ border-color: var(--accent-bright); background: var(--accent-soft); transform: translateY(-2px); }
.btn--lg{ padding: 19px 40px; font-size: 1rem; }

/* ===================== HERO ===================== */
.hero{
  position: relative; min-height: 100svh; display:flex; align-items:center; justify-content:flex-start;
  overflow:hidden; padding: calc(var(--nav-h) + 40px) clamp(24px,7vw,90px) 100px;
  text-align:left;
}
.hero__bg{ position:absolute; inset:0; z-index:0; overflow:hidden; }
.hero__photo{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  object-position: center 30%; transform: scale(1.03);
}
.hero__mesh{
  position:absolute; inset:-10%;
  background:
    linear-gradient(100deg, rgba(5,6,8,0.72) 0%, rgba(5,6,8,0.4) 38%, transparent 62%),
    radial-gradient(55% 50% at 30% 15%, rgba(35,52,143,0.28), transparent 70%),
    radial-gradient(50% 45% at 80% 85%, rgba(0,0,0,0.6), transparent 70%),
    linear-gradient(180deg, rgba(8,9,11,0.85) 0%, rgba(8,9,11,0.5) 42%, rgba(8,9,11,0.92) 100%);
  animation: meshDrift 18s ease-in-out infinite alternate;
}
@keyframes meshDrift{
  0%{ transform: scale(1) translate(0,0); }
  100%{ transform: scale(1.08) translate(-1.5%, 1.5%); }
}
.hero__content{ position:relative; z-index:1; max-width: 900px; }
.eyebrow{
  display:inline-block; font-size:.82rem; letter-spacing:.14em; text-transform:uppercase;
  color: var(--accent-bright); margin-bottom: 22px; font-weight:500;
}
.hero__title{
  font-size: clamp(4.2rem, 15vw, 10.5rem); font-weight:700; line-height:.9;
  color: var(--fg); /* fallback if JS split never runs — must stay visible */
}
.hero__title .char{
  color: #ffffff;
  text-shadow: 0 2px 24px rgba(0,0,0,0.6), 0 8px 50px rgba(0,0,0,0.4);
}
.hero__tagline{ font-family: var(--font-display); font-style: italic; font-size: clamp(1.3rem,2.6vw,1.9rem); margin: 20px 0 14px; color: var(--fg); font-weight: 500; }
.hero__sub{ max-width: 560px; margin: 0; color: var(--fg-muted); font-size: 1.02rem; }
.hero__actions{ display:flex; flex-wrap:wrap; gap:16px; justify-content:flex-start; margin-top: 30px; }

.hero__scroll{
  position:absolute; bottom: 34px; left:50%; transform: translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:10px;
  color: var(--fg-faint); font-size:.72rem; letter-spacing:.14em; text-transform:uppercase;
  z-index:1;
}
.hero__scroll i{ width:1px; height:34px; background: linear-gradient(180deg, var(--fg-faint), transparent); position:relative; overflow:hidden; }
.hero__scroll i::after{
  content:''; position:absolute; top:-100%; left:0; width:100%; height:100%; background: var(--accent-bright);
  animation: scrollLine 2.2s ease-in-out infinite;
}
@keyframes scrollLine{ 0%{ top:-100%; } 60%,100%{ top:100%; } }

/* ===================== MARQUEE ===================== */
.marquee{
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  overflow:hidden; white-space:nowrap; padding: 22px 0; background: var(--bg-alt);
}
.marquee__track{
  display:inline-flex; gap: 18px; font-family: var(--font-display); font-style: italic;
  font-size: clamp(1rem,2vw,1.3rem); color: var(--fg-faint);
  animation: marqueeScroll 32s linear infinite;
  will-change: transform;
}
.marquee__track span:nth-child(4n+2){ color: var(--accent-bright); }
/* Falls back to -50% (the hardcoded HTML already repeats content twice) until
   JS measures the exact halfway point — needed once JS clones extra repeats
   to cover very wide screens, so the loop never shows a blank gap. */
@keyframes marqueeScroll{ 0%{ transform: translateX(0); } 100%{ transform: translateX(var(--marquee-distance, -50%)); } }

/* ===================== SECTION SHARED ===================== */
section:not(.hero){ padding: clamp(64px,8vw,110px) clamp(20px,5vw,56px); }
.section-label{
  display:block; font-style: italic; font-size:.82rem; letter-spacing:.14em; text-transform:uppercase;
  color: var(--accent-bright); margin-bottom: 10px; font-weight:500;
}
.section-label--center{ text-align:center; }
.section-title{ font-size: clamp(2.3rem,5vw,3.8rem); font-weight:700; max-width: 720px; }
.section-note{ color: var(--fg-faint); font-size:.9rem; margin-top:14px; font-style: italic; }

/* ===================== ABOUT ===================== */
.about{ max-width: var(--container); margin: 0 auto; }
.about__grid{ display:grid; grid-template-columns: .75fr 1.25fr; gap: clamp(40px,6vw,90px); align-items:center; }
.about__media{ position:relative; max-width: 420px; }
.about__media img{ border-radius: 18px; width:100%; height:auto; aspect-ratio: 4/5; object-fit:cover; position:relative; z-index:1; filter: saturate(0.9) contrast(1.05); }
.about__media-frame{
  position:absolute; inset: 18px -18px -18px 18px; border: 1px solid var(--line-strong);
  border-radius: 18px; z-index:0;
}
.about__text p{ color: var(--fg-muted); margin-bottom: 14px; font-size: 1.02rem; }
.about__text .section-title{ margin-bottom: 18px; }
.about__quote{
  color: var(--fg) !important; font-family: var(--font-display); font-style: italic; font-size: 1.15rem !important;
  border-left: 2px solid var(--accent); padding-left: 20px; margin-top: 20px !important;
}

.genres{ margin-top: clamp(48px,6vw,80px); }
.genres__grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-top: 26px; }
.genre-card{
  display:flex; flex-direction:column; align-items:center; gap:14px;
  padding: 30px 16px; border:1px solid var(--line); border-radius: 16px;
  background: linear-gradient(160deg, var(--bg-elevated), var(--bg-alt)); color: var(--fg-muted);
  transition: transform .35s var(--ease), border-color .35s ease, color .35s ease, background .35s ease, box-shadow .35s ease;
}
.genre-card svg{ width:30px; height:30px; transition: transform .35s var(--ease); }
.genre-card span{ font-size:.92rem; font-weight:500; }
.genre-card:hover{
  transform: translateY(-6px); border-color: var(--accent-bright); color: var(--fg);
  background: linear-gradient(180deg, var(--accent-soft), var(--bg-elevated));
  box-shadow: var(--shadow-lg);
}
.genre-card:hover svg{ color: var(--accent-bright); transform: scale(1.12) rotate(-4deg); }

.stats{
  margin-top: clamp(48px,6vw,80px); display:grid; grid-template-columns: repeat(3,1fr);
  gap: 30px; border-top:1px solid var(--line); padding-top: 36px;
}
.stat{ text-align:center; }
.stat__num{
  display:block; font-family: var(--font-display); font-size: clamp(2.6rem,6vw,4.2rem); font-weight:700;
  background: linear-gradient(180deg, #ffffff 30%, #b9c2d8 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.stat__label{ color: var(--fg-faint); font-style: italic; font-size:.92rem; }

/* ===================== SERVICES / WORKS / COURSES ===================== */
.services, .works, .courses{ max-width: var(--container); margin: 0 auto; }

.services__intro{ color: var(--fg-muted); font-size: 1.02rem; max-width: 640px; margin-top: 12px; }
.services__ask{ margin-top: 26px; }

.service-group{ margin-top: clamp(40px,5vw,60px); }
.service-group:first-of-type{ margin-top: clamp(32px,4vw,44px); }
.service-group__title{
  font-family: var(--font-display); font-size: 1.3rem; font-weight:600;
  color: var(--fg); margin-bottom: 4px; padding-bottom: 14px; border-bottom: 1px solid var(--line);
}

.services__grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 22px; margin-top: 28px; }
.service-card{
  display:flex; flex-direction:column; align-items:flex-start;
  padding: 34px 26px; border-radius: 18px; border: 1px solid var(--line);
  background: var(--bg-alt); transition: border-color .3s ease, transform .3s ease, box-shadow .3s ease;
}
.service-card:hover{ transform: translateY(-6px); border-color: var(--accent-bright); box-shadow: var(--shadow-lg); }
.service-card__num{ color: var(--accent-bright); font-family: var(--font-display); font-size:.85rem; }
.service-card h3{ font-size: 1.2rem; margin: 14px 0 10px; font-weight:600; }
.service-card p{ color: var(--fg-muted); font-size:.92rem; margin-bottom: 18px; }
.service-card__price{ color: var(--fg-faint); font-size:.85rem; margin-bottom: 22px; }

.service-group--featured{ margin-top: 46px; }
.service-card--featured{
  position:relative; width:100%; align-items:flex-start;
  padding: 40px clamp(28px,4vw,48px);
  border: 1px solid var(--accent-bright);
  background: linear-gradient(135deg, var(--accent-soft), var(--bg-elevated) 60%);
  box-shadow: 0 0 50px -12px var(--accent-glow);
}
.service-card__ribbon{
  position:absolute; top: -1px; right: clamp(20px,4vw,40px);
  display:flex; align-items:center; gap:8px;
  padding: 8px 16px; border-radius: 0 0 10px 10px;
  background: linear-gradient(155deg, var(--accent-bright), var(--accent) 70%);
  color:#fff; font-size:.78rem; font-weight:600; letter-spacing:.03em;
  box-shadow: 0 6px 16px -6px rgba(0,0,0,0.5);
}
.service-card__ribbon i{
  width:7px; height:7px; border-radius:50%; background:#fff;
  animation: ribbonPulse 1.8s ease-in-out infinite;
}
@keyframes ribbonPulse{ 0%,100%{ opacity:1; transform:scale(1); } 50%{ opacity:.4; transform:scale(.7); } }
.service-card__badge{
  display:inline-block; font-size:.78rem; letter-spacing:.1em; text-transform:uppercase;
  color: var(--accent-bright); font-weight:600; margin-bottom: 14px; margin-top: 12px;
}
.service-card--featured h3{ font-size: 1.5rem; max-width: 480px; }
.service-card--featured p{ max-width: 560px; font-size: 1rem; }
.service-card--featured .service-card__cta{ width:auto; padding-left: 32px; padding-right: 32px; align-self:flex-start; }
.service-card__cta{
  margin-top: auto; align-self:stretch; text-align:center;
  padding: 12px 20px; border-radius: 999px; font-size:.9rem; font-weight:600; color:#fff;
  background: linear-gradient(155deg, #2fd66b, #1e9e50 70%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.16);
  transition: box-shadow .3s ease, transform .2s ease;
}
.service-card__cta:hover{ box-shadow: 0 10px 30px -8px rgba(47,214,107,0.5), inset 0 1px 0 rgba(255,255,255,0.22); transform: translateY(-2px); }

.works-group{ margin-top: clamp(40px,5vw,60px); }
.works-group:first-of-type{ margin-top: clamp(32px,4vw,44px); }
.works-group__title{
  font-family: var(--font-display); font-size: 1.3rem; font-weight:600;
  color: var(--fg); margin-bottom: 4px; padding-bottom: 14px; border-bottom: 1px solid var(--line);
}

.works__grid{ display:grid; grid-template-columns: repeat(2,1fr); gap: 22px; margin-top: 28px; }
.work-card{
  border-radius: 18px; overflow:hidden; border: 1px solid var(--line); background: var(--bg-alt);
  padding: 14px 14px 20px; transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.work-card:hover{ transform: translateY(-6px); border-color: var(--accent-bright); box-shadow: var(--shadow-lg); }
.work-card iframe{ display:block; width:100%; border-radius: 12px; }
.work-card h3{ font-size:1.05rem; margin: 16px 4px 4px; font-weight:600; }
.work-card p{ margin: 0 4px; color: var(--fg-faint); font-size:.85rem; }

/* ---- Curso destacado (Hotmart) ---- */
.course-featured{
  margin-top: 36px; display:grid; grid-template-columns: .8fr 1.2fr; gap: clamp(28px,4vw,48px);
  align-items:center; padding: clamp(24px,3vw,36px); border-radius: 22px;
  border: 1px solid var(--accent-bright); background: linear-gradient(135deg, var(--accent-soft), var(--bg-elevated) 60%);
  box-shadow: 0 0 60px -16px var(--accent-glow);
}
.course-featured__media{ position:relative; }
.course-featured__media img{
  width:100%; aspect-ratio: 4/5; object-fit:cover; border-radius: 16px;
  filter: saturate(0.9) contrast(1.05);
}
.course-featured__ribbon{
  position:absolute; top:16px; left:16px; display:flex; align-items:center; gap:8px;
  padding: 7px 14px; border-radius: 999px; background: rgba(10,11,13,0.75); backdrop-filter: blur(6px);
  color:#fff; font-size:.78rem; font-weight:600; letter-spacing:.03em;
}
.course-featured__ribbon i{ width:7px; height:7px; border-radius:50%; background: var(--accent-bright); animation: ribbonPulse 1.8s ease-in-out infinite; }
.course-featured__content h3{ font-size: clamp(1.5rem,2.6vw,2.1rem); margin: 12px 0 14px; }
.course-featured__content p{ color: var(--fg-muted); font-size: 1rem; max-width: 520px; }
.course-featured__price{ display:flex; align-items:baseline; gap:12px; margin: 22px 0; }
.course-featured__price-num{ font-family: var(--font-display); font-size: 2rem; font-weight:700; color: var(--fg); }
.course-featured__price-note{ color: var(--fg-faint); font-size:.82rem; }
.course-featured__cta{ display:inline-flex; }

/* ---- Mentoría personalizada ---- */
.courses__list{ margin-top: 22px; display:flex; flex-direction:column; gap:16px; }
.course-row{
  display:flex; align-items:center; justify-content:space-between; gap: 20px; flex-wrap:wrap;
  padding: 26px 30px; border-radius: 16px; border:1px solid var(--line); background: var(--bg-alt);
  transition: border-color .3s ease, transform .3s ease, box-shadow .3s ease;
}
.course-row:hover{ border-color: var(--accent-bright); transform: translateX(4px); box-shadow: var(--shadow-lg); }
.course-row > div{ flex: 1 1 320px; }
.course-row h3{ font-size: 1.2rem; font-weight:600; margin-bottom: 6px; }
.course-row p{ color: var(--fg-muted); font-size:.92rem; max-width: 480px; }
.course-row__price{ color: var(--fg); font-family: var(--font-display); font-size: 1.3rem; font-weight:700; }
.course-row__cta{
  align-self:center; width:auto; flex-shrink:0; white-space:nowrap;
  padding-left:24px; padding-right:24px; margin-top:0;
}

.pro-badge{
  display:inline-flex; align-items:center; gap:7px; vertical-align: middle;
  padding: 4px 12px; border-radius: 999px; margin-left: 10px;
  background: linear-gradient(155deg, var(--accent-bright), var(--accent) 70%);
  color:#fff; font-size:.68rem; font-weight:700; letter-spacing:.05em; text-transform:uppercase;
}
.pro-badge i{ width:6px; height:6px; border-radius:50%; background:#fff; animation: ribbonPulse 1.8s ease-in-out infinite; }

/* ===================== CTA SECTION ===================== */
.cta-section{
  position:relative; text-align:left; overflow:hidden;
  background: linear-gradient(180deg, var(--bg-alt), var(--bg));
}
.cta-section::before{
  content:''; position:absolute; inset:0;
  background: radial-gradient(60% 60% at 20% 30%, var(--accent-soft), transparent 70%);
  pointer-events:none;
}
.cta-section__inner{ position:relative; max-width: 760px; margin:0; }
.cta-section__title{ font-size: clamp(2.1rem,4.6vw,3.4rem); font-weight:600; margin: 12px 0 16px; }
.cta-section__sub{ color: var(--fg-muted); font-size: 1.05rem; max-width: 520px; margin: 0 0 28px; }

/* ===================== CONTACT ===================== */
.contact{ max-width: var(--container); margin: 0 auto; }
.contact__grid{ display:grid; grid-template-columns: .9fr 1.1fr; gap: clamp(40px,6vw,90px); }
.contact__info p{ color: var(--fg-muted); margin: 14px 0 18px; max-width: 380px; }
.contact__email{ display:inline-block; font-family: var(--font-display); font-size: 1.3rem; color: var(--fg); border-bottom: 1px solid var(--line-strong); padding-bottom: 6px; transition: border-color .3s ease, color .3s ease; }
.contact__email:hover{ color: var(--accent-bright); border-color: var(--accent-bright); }
.contact__social{ display:flex; gap: 22px; margin-top: 24px; }
.contact__social a{ color: var(--fg-faint); font-size:.9rem; transition: color .25s ease; }
.contact__social a:hover{ color: var(--accent-bright); }

.contact__form{ display:flex; flex-direction:column; gap: 20px; }
.contact__form label{ display:flex; flex-direction:column; gap:8px; font-size:.85rem; color: var(--fg-muted); }
.contact__form input, .contact__form textarea{
  font: inherit; color: var(--fg); background: var(--bg-alt); border: 1px solid var(--line);
  border-radius: 10px; padding: 14px 16px; resize: vertical; transition: border-color .25s ease, background .25s ease;
}
.contact__form input:focus, .contact__form textarea:focus{ outline:none; border-color: var(--accent-bright); background: var(--bg-elevated); }
.contact__form button{ align-self:flex-start; margin-top: 6px; }

/* ===================== FOOTER ===================== */
.footer{ border-top: 1px solid var(--line); padding: 40px clamp(20px,5vw,56px); }
.footer__inner{
  max-width: var(--container); margin:0 auto; display:flex; align-items:center;
  justify-content:space-between; flex-wrap:wrap; gap: 20px;
}
.footer__brand{ font-family: var(--font-display); font-weight:700; font-size:1.1rem; }
.footer__links{ display:flex; gap: 22px; flex-wrap:wrap; }
.footer__links a{ color: var(--fg-faint); font-size:.88rem; transition: color .25s ease; }
.footer__links a:hover{ color: var(--fg); }
.footer__copy{ color: var(--fg-faint); font-size:.8rem; width:100%; text-align:center; margin-top: 10px; }

/* ===================== REVEAL ANIMATIONS ===================== */
/* Defensive default: content is visible even if JS never runs / is cached stale */
[data-reveal], [data-split]{ opacity: 1; transform: none; }
.js-ready [data-reveal]{
  opacity: 0; transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.js-ready [data-reveal].is-visible{ opacity: 1; transform: none; }

.js-ready [data-split] .char{
  display:inline-block; opacity:0; transform: translateY(60%);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.js-ready [data-split].is-visible .char{ opacity:1; transform: none; }

/* stagger children with --i */
[data-reveal] { transition-delay: calc(var(--i, 0) * 60ms); }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 980px){
  .about__grid, .contact__grid{ grid-template-columns: 1fr; }
  .genres__grid{ grid-template-columns: repeat(2,1fr); }
  .services__grid, .works__grid{ grid-template-columns: repeat(2,1fr); }
  .course-featured{ grid-template-columns: 1fr; }
  .course-featured__media img{ aspect-ratio: 16/9; max-width: 340px; }
  .about__media{ max-width: 260px; margin: 0 auto; }
}

@media (max-width: 760px){
  .nav__toggle{ display:flex; }
  .nav__links{
    position: fixed; inset: 0; top: 0; height: 100svh; width: 100%;
    background: rgba(10,11,13,0.98); backdrop-filter: blur(20px);
    flex-direction: column; justify-content:center; align-items:center; gap: 26px;
    transform: translateX(100%); transition: transform .45s var(--ease);
  }
  .nav__links.is-open{ transform: translateX(0); }
  .nav__links a{ font-size: 1.3rem; }
  .nav__cta{ margin-top: 10px; }

  .stats{ grid-template-columns: 1fr; gap: 34px; }
  .genres__grid{ grid-template-columns: repeat(2,1fr); }
  .services__grid, .works__grid{ grid-template-columns: 1fr; }
  .course-row{ flex-direction: column; align-items:flex-start; }
  .cursor-dot, .cursor-ring{ display:none; }
}

@media (max-width: 480px){
  .hero__title{ font-size: clamp(3.4rem,20vw,6rem); }
}

@media (prefers-reduced-motion: reduce){
  .hero__mesh, .marquee__track, .hero__scroll i::after{ animation: none !important; }
}