/* ============================================================
   Mateus Tonette — Cyber-Classical · Dark + Neon + Gold
   ============================================================ */

:root {
  --color-bg: #03050d;
  --color-bg-secondary: #0a0f1f;
  --color-bg-elevated: #060a14;
  --color-accent: #c9a227;
  --color-accent-deep: #a67c00;
  --color-accent-light: #e8c547;
  --color-neon-blue: #3d5af1;
  --color-neon-purple: #7b2ff7;
  --color-neon-violet: #9d4edd;
  --color-violin: #c45c26;
  --color-violin-warm: #d4a574;
  --color-text: #ffffff;
  --color-text-on-cta: #0a0612;
  --color-text-muted: #c8c4d8;
  --color-text-subtle: #8b8798;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-accent: rgba(201, 162, 39, 0.28);
  --color-whatsapp: #25d366;

  --gradient-brand: linear-gradient(135deg, #a67c00 0%, #c9a227 45%, #e8c547 100%);
  --gradient-neon: linear-gradient(135deg, #3d5af1 0%, #7b2ff7 50%, #9d4edd 100%);
  --gradient-cta: linear-gradient(125deg, #5a3d00 0%, #a67c00 30%, #c9a227 55%, #e8c547 80%, #c9a227 100%);
  --gradient-hero-glow:
    radial-gradient(ellipse 80% 60% at 15% 20%, rgba(61, 90, 241, 0.14) 0%, transparent 55%),
    radial-gradient(ellipse 70% 50% at 85% 15%, rgba(123, 47, 247, 0.16) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 80%, rgba(196, 92, 38, 0.08) 0%, transparent 45%);
  --gradient-accent-section: linear-gradient(135deg, #03050d 0%, #0f0a1a 100%);
  --gradient-cta-section: linear-gradient(135deg, #0a0618 0%, #03050d 55%, #0d1028 100%);
  --shadow-neon-purple: 0 0 28px rgba(123, 47, 247, 0.35);
  --shadow-neon-blue: 0 0 24px rgba(61, 90, 241, 0.28);
  --shadow-gold: 0 0 24px rgba(201, 162, 39, 0.32);

  --font-main: 'Outfit', system-ui, sans-serif;
  --font-display: 'Cinzel', Georgia, serif;
  --font-script: 'Playfair Display', Georgia, serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 80px;
  --section-py: clamp(4.5rem, 8vw, 7rem);
  --container: min(1180px, 92vw);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  scrollbar-width: none;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
}

section[id] { scroll-margin-top: var(--header-h); }

html::-webkit-scrollbar { display: none; width: 0; }

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-muted);
  background:
    linear-gradient(180deg, #03050d 0%, #0a0f1f 25%, #0d0a18 50%, #0a1028 75%, #03050d 100%);
  background-attachment: fixed;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(61, 90, 241, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(123, 47, 247, 0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

main { position: relative; z-index: 1; overflow-x: clip; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.container { width: var(--container); margin-inline: auto; }

.icon {
  width: 1.35em;
  height: 1.35em;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 10000;
  padding: 0.75rem 1.25rem;
  background: var(--gradient-brand);
  color: var(--color-text-on-cta);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.skip-link:focus { top: 1rem; }

/* Typography */
.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
  color: #fff;
}

.section__title--decorated {
  position: relative;
  padding-bottom: 1.25rem;
}

.section__title--decorated::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(280px, 60%);
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-neon-purple), var(--color-accent), var(--color-neon-purple), transparent);
  box-shadow: 0 0 12px rgba(123, 47, 247, 0.5);
}

.section__desc {
  font-size: 1.05rem;
  color: #e2e0ec;
  max-width: 58ch;
}

.section__header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section__header .section__desc { margin-inline: auto; }

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.85rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
  white-space: nowrap;
}

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

.btn--primary {
  background-image: var(--gradient-cta);
  background-size: 280% 280%;
  background-position: 0% 50%;
  background-repeat: no-repeat;
  animation: ingresso-gradient 5s ease-in-out infinite;
  color: var(--color-text-on-cta);
  font-weight: 700;
  box-shadow: var(--shadow-gold), var(--shadow-neon-purple);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
  background: linear-gradient(
    105deg,
    transparent 32%,
    rgba(255, 255, 255, 0.18) 44%,
    rgba(255, 255, 255, 0.55) 50%,
    rgba(255, 255, 255, 0.18) 56%,
    transparent 68%
  );
  background-size: 220% 100%;
  background-position: 130% 0;
  animation: ingresso-shine 3s ease-in-out infinite;
  pointer-events: none;
}

.btn--primary:hover {
  filter: brightness(1.1);
  box-shadow: var(--shadow-gold), var(--shadow-neon-purple), 0 8px 28px rgba(201, 162, 39, 0.25);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid rgba(201, 162, 39, 0.45);
  box-shadow: inset 0 0 20px rgba(123, 47, 247, 0.06);
}

.btn--outline:hover {
  background: rgba(123, 47, 247, 0.1);
  border-color: rgba(157, 78, 221, 0.55);
  box-shadow: var(--shadow-neon-purple);
}

.btn--sm { padding: 0.6rem 1.25rem; font-size: 0.85rem; }
.btn--block { width: 100%; white-space: normal; text-align: center; }

@keyframes ingresso-gradient {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes ingresso-shine {
  0% { background-position: 130% 0; }
  35%, 100% { background-position: -50% 0; }
}

/* Header */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--header-h);
  border-bottom: 1px solid rgba(123, 47, 247, 0.15);
  background: linear-gradient(180deg, rgba(3, 5, 13, 0.96) 0%, rgba(3, 5, 13, 0.82) 100%);
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.header.scrolled {
  background: rgba(3, 5, 13, 0.94);
  backdrop-filter: blur(20px);
  border-bottom-color: rgba(201, 162, 39, 0.25);
  box-shadow: 0 4px 30px rgba(123, 47, 247, 0.12);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.logo__mark { font-size: 1.5rem; filter: drop-shadow(0 0 8px rgba(201, 162, 39, 0.5)); }

.logo__text { display: flex; flex-direction: column; line-height: 1.15; }

.logo__name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.06em;
}

.logo__tag {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--color-accent-light);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.logo__name--footer {
  display: block;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.nav { display: flex; align-items: center; gap: 1rem; }
.nav__list { display: flex; gap: 0.15rem; }

.nav__link {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  letter-spacing: 0.02em;
}

.nav__link:hover,
.nav__link.active {
  color: #fff;
  background: rgba(123, 47, 247, 0.15);
  box-shadow: inset 0 0 0 1px rgba(157, 78, 221, 0.2);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}

/* Hero */
.hero {
  position: relative;
  min-height: auto;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-top: var(--header-h);
  padding-bottom: 0;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero-glow), linear-gradient(165deg, #03050d 0%, #0a0f1f 50%, #0d0a18 100%);
  z-index: 0;
}

.hero__staff {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background:
    repeating-linear-gradient(90deg, transparent, transparent 38px, rgba(201, 162, 39, 0.06) 38px, rgba(201, 162, 39, 0.06) 39px),
    linear-gradient(180deg, transparent, rgba(123, 47, 247, 0.04));
  mask-image: linear-gradient(180deg, transparent, black 40%);
  z-index: 1;
  pointer-events: none;
}

.hero__particles,
.hero__stars {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.hero__particles { opacity: 0.28; }

.hero__grid { position: relative; z-index: 3; }

.hero__inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(0.75rem, 1.5vw, 1.25rem);
  align-items: end;
  padding: clamp(0.75rem, 2vw, 1.5rem) 0 0;
}

.hero__content {
  align-self: center;
  padding-bottom: clamp(1.5rem, 3vw, 2.5rem);
  max-width: none;
  z-index: 2;
}

.hero__eyebrow {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-neon-violet);
  margin-bottom: 1rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.hero__title-script {
  display: block;
  font-family: var(--font-script);
  font-style: italic;
  font-weight: 400;
  font-size: 0.72em;
  color: var(--color-accent-light);
  margin-bottom: 0.15em;
  -webkit-text-fill-color: var(--color-accent-light);
}

.hero__tagline {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-accent-light);
  margin-bottom: 1rem;
  font-style: italic;
}

.hero__subtitle {
  font-size: 1rem;
  color: #e8e6f0;
  max-width: 620px;
  margin-bottom: 2rem;
  line-height: 1.75;
}

.hero__subtitle strong { color: #fff; }

.hero__actions {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}

.hero__actions .btn {
  flex: 0 1 auto;
  width: auto;
  padding: 0.78rem 1.4rem;
  font-size: 0.92rem;
}

.hero__metrics {
  display: flex;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding-top: 1.75rem;
  border-top: 1px solid rgba(123, 47, 247, 0.2);
}

.hero__metric-num {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.hero__metric-num--text {
  background: none;
  -webkit-text-fill-color: var(--color-accent-light);
  color: var(--color-accent-light);
}

.hero__metric-label {
  font-size: 0.75rem;
  color: var(--color-text-subtle);
  margin-top: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero__visual {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  align-self: end;
  margin-bottom: 0;
}

.hero__portrait {
  position: relative;
  width: min(720px, 58vw);
  margin-inline: auto;
  overflow: visible;
  --portrait-anchor-y: 58%;
}

.hero__portrait-fx {
  position: absolute;
  top: var(--portrait-anchor-y);
  left: 50%;
  width: 100%;
  height: 100%;
  transform: translate(-50%, -50%);
  z-index: 0;
  pointer-events: none;
}

.hero__portrait-glow {
  position: absolute;
  inset: -15%;
  z-index: 0;
  background:
    radial-gradient(ellipse 60% 70% at 50% 50%, rgba(123, 47, 247, 0.38) 0%, transparent 65%),
    radial-gradient(ellipse 80% 50% at 30% 55%, rgba(61, 90, 241, 0.22) 0%, transparent 55%),
    radial-gradient(ellipse 55% 45% at 72% 50%, rgba(196, 92, 38, 0.1) 0%, transparent 52%);
  filter: blur(20px);
}

.hero__portrait-ring {
  position: absolute;
  border-radius: 50%;
  z-index: 1;
  pointer-events: none;
}

.hero__portrait-ring--1 {
  inset: -6%;
  border: 1px solid rgba(157, 78, 221, 0.55);
  box-shadow:
    0 0 28px rgba(123, 47, 247, 0.45),
    0 0 56px rgba(61, 90, 241, 0.2),
    inset 0 0 28px rgba(201, 162, 39, 0.15);
  animation: portrait-ring 12s linear infinite;
}

.hero__portrait-ring--2 {
  inset: -12%;
  border: 1px solid rgba(61, 90, 241, 0.34);
  box-shadow:
    0 0 40px rgba(61, 90, 241, 0.2),
    0 0 64px rgba(123, 47, 247, 0.12);
  animation: portrait-ring 18s linear infinite reverse;
}

.hero__portrait picture {
  display: block;
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero__portrait img {
  position: relative;
  z-index: 2;
  width: 100%;
  display: block;
  object-fit: contain;
  object-position: center bottom;
  max-height: min(820px, calc(100vh - var(--header-h) + 0.5rem));
  height: auto;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(123, 47, 247, 0.15);
  transform: none;
}

@keyframes portrait-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

@keyframes portrait-glow {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.07); }
}

@keyframes portrait-ring {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Trust bar */
.trust-bar {
  position: relative;
  z-index: 5;
  background: var(--color-bg-elevated);
  border-block: 1px solid rgba(123, 47, 247, 0.15);
  margin-top: -48px;
}

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

.trust-bar__item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 1.1rem 1rem;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.trust-bar__item:last-child { border-right: none; }
.trust-bar__item strong { color: #fff; }
.trust-bar__item .icon { color: var(--color-accent); width: 18px; height: 18px; }

/* Sections */
.section {
  padding-block: var(--section-py);
  background: var(--color-bg);
}

.section--secondary { background: var(--color-bg-secondary); }

.section--about { overflow: hidden; }

.section--depoimentos {
  background:
    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(123, 47, 247, 0.1) 0%, transparent 60%),
    var(--color-bg);
}

.section--aulas { padding-top: 0; }

/* About */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}

.about__text p { margin-bottom: 1.15rem; }
.about__text p strong { color: #fff; }
.about__lead { font-size: 1.05rem; color: #e8e6f0; }

.about__highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.75rem 0;
}

.about__highlight {
  display: flex;
  gap: 0.85rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.about__highlight h4 { font-size: 0.85rem; color: #fff; margin-bottom: 0.15rem; }
.about__highlight p { font-size: 0.78rem; color: var(--color-text-subtle); margin: 0; }

.icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(123, 47, 247, 0.1);
  border: 1px solid rgba(157, 78, 221, 0.25);
  color: var(--color-accent);
  flex-shrink: 0;
}

.icon-wrap .icon { width: 20px; height: 20px; }

.icon-wrap--gradient {
  background: var(--gradient-brand);
  border: none;
  color: var(--color-text-on-cta);
}

.about__card {
  position: relative;
  padding: 2.25rem;
  border-radius: var(--radius-xl);
  background: linear-gradient(165deg, rgba(123, 47, 247, 0.12) 0%, rgba(3, 5, 13, 0.9) 50%);
  border: 1px solid rgba(157, 78, 221, 0.35);
  box-shadow: var(--shadow-neon-purple), inset 0 1px 0 rgba(201, 162, 39, 0.1);
}

.about__card-glow {
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(201, 162, 39, 0.4), rgba(123, 47, 247, 0.3), rgba(61, 90, 241, 0.2));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.about__quote {
  position: relative;
  z-index: 1;
  font-family: var(--font-script);
  font-size: 1.15rem;
  font-style: italic;
  line-height: 1.75;
  color: #f0eef8;
  margin-bottom: 1.5rem;
}

.about__quote footer {
  margin-top: 1rem;
  font-size: 0.85rem;
  font-style: normal;
  font-family: var(--font-display);
  color: var(--color-accent-light);
  letter-spacing: 0.08em;
}

.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  position: relative;
  z-index: 1;
}

.about__tags li {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0.8rem;
  background: rgba(201, 162, 39, 0.1);
  border: 1px solid rgba(201, 162, 39, 0.3);
  border-radius: 50px;
  color: var(--color-accent-light);
}

/* Social */
.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.social-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 1rem;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 50px;
  background: rgba(123, 47, 247, 0.1);
  border: 1px solid rgba(157, 78, 221, 0.3);
  color: #fff;
  transition: background var(--transition), box-shadow var(--transition);
}

.social-pill .icon { width: 16px; height: 16px; color: var(--color-accent); }

.social-pill:hover {
  background: rgba(123, 47, 247, 0.2);
  box-shadow: var(--shadow-neon-purple);
}

.social-row--footer a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.social-row--footer a:hover {
  border-color: rgba(201, 162, 39, 0.4);
  box-shadow: var(--shadow-gold);
}

.social-row--footer .icon { width: 18px; height: 18px; color: var(--color-accent); }

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.pillar-card {
  padding: 2rem 1.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.pillar-card:hover {
  transform: translateY(-4px);
  border-color: rgba(157, 78, 221, 0.4);
  box-shadow: var(--shadow-neon-purple);
}

.pillar-card__icon { margin-bottom: 1.15rem; }
.pillar-card__title { font-size: 1.05rem; font-weight: 600; color: #fff; margin-bottom: 0.65rem; }
.pillar-card__desc { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.65; }

/* Service cards */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.service-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 200px;
  padding: 1.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(157, 78, 221, 0.35);
  box-shadow: var(--shadow-neon-purple);
}

.service-card--highlight {
  border-color: rgba(201, 162, 39, 0.35);
  box-shadow: 0 0 0 1px rgba(201, 162, 39, 0.1), 0 8px 32px rgba(123, 47, 247, 0.1);
}

.icon-wrap--topic {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: transparent;
  border: 2px solid rgba(157, 78, 221, 0.35);
  margin-bottom: 1.15rem;
}

.service-card__title { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 0.55rem; }
.service-card__desc { font-size: 0.875rem; color: var(--color-text-muted); flex: 1; line-height: 1.65; }

/* Marquee */
.marquee {
  width: 100%;
  overflow: hidden;
  padding-block: 0.85rem;
  background: linear-gradient(90deg, #1a1040, #2d1b69, #1a1040);
  border-block: 1px solid rgba(201, 162, 39, 0.25);
}

.marquee--gold { background: linear-gradient(90deg, #1a1208, #3d2e0a, #1a1208); }

.marquee__track {
  display: flex;
  width: max-content;
  flex-wrap: nowrap;
  animation: marquee-scroll 28s linear infinite;
  will-change: transform;
}

.marquee__content {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  padding-right: 3rem;
}

.marquee__item {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  white-space: nowrap;
}

.marquee__sep { margin-inline: 1.25rem; color: rgba(157, 78, 221, 0.5); }

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Plans */
.plans__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  align-items: stretch;
}

.plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 2rem 1.75rem;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(10, 15, 31, 0.8) 0%, rgba(3, 5, 13, 0.95) 100%);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.plan-card:hover { transform: translateY(-4px); }

.plan-card--featured {
  border-color: rgba(201, 162, 39, 0.45);
  box-shadow: var(--shadow-gold), var(--shadow-neon-purple);
  transform: scale(1.03);
  z-index: 2;
}

.plan-card__badge {
  position: absolute;
  top: -0.65rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.3rem 0.85rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--gradient-brand);
  color: var(--color-text-on-cta);
  border-radius: 50px;
  white-space: nowrap;
}

.plan-card__name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: #fff;
  margin-bottom: 0.2rem;
}

.plan-card__freq { font-size: 0.82rem; color: var(--color-text-subtle); margin-bottom: 1rem; }

.plan-card__price {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--color-accent-light);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.plan-card__price span { font-size: 1.25rem; vertical-align: super; }

.plan-card__desc { font-size: 0.88rem; margin-bottom: 1.25rem; flex: 1; }

.plan-card__perks { margin-bottom: 1.5rem; }

.plan-card__perks li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.82rem;
  padding: 0.3rem 0;
  color: var(--color-text-muted);
}

.plan-card__perks .icon { width: 16px; height: 16px; color: var(--color-accent); margin-top: 0.15rem; }

.plans__note {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.88rem;
  color: var(--color-text-subtle);
}

/* Courses */
.courses__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.course-card {
  display: flex;
  flex-direction: column;
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.course-card:hover {
  transform: translateY(-3px);
  border-color: rgba(157, 78, 221, 0.35);
  box-shadow: var(--shadow-neon-purple);
}

.course-card--featured {
  grid-column: 1 / -1;
  border-color: rgba(201, 162, 39, 0.35);
  background: linear-gradient(135deg, rgba(123, 47, 247, 0.1) 0%, rgba(3, 5, 13, 0.6) 60%);
  box-shadow: var(--shadow-neon-purple);
}

.course-card__label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.65rem;
}

.course-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 0.65rem;
}

.course-card__desc { font-size: 0.9rem; flex: 1; margin-bottom: 1rem; line-height: 1.65; }

.course-card__rating {
  font-size: 0.85rem;
  color: var(--color-accent-light);
  margin-bottom: 1.25rem;
}

.course-card__rating span { color: var(--color-text-subtle); font-size: 0.78rem; }

/* Product / Video */
.product {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
}

.product__label {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid rgba(201, 162, 39, 0.3);
  border-radius: 50px;
  margin-bottom: 1rem;
}

.product__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: #fff;
  margin-bottom: 1rem;
}

.product__desc { margin-bottom: 1.5rem; }
.product__desc strong { color: #fff; }

.product__features { margin-bottom: 2rem; }

.product__features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  padding: 0.4rem 0;
}

.product__check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(201, 162, 39, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.product__check .icon { width: 12px; height: 12px; color: var(--color-accent); }

.video-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  padding: 3px;
  background: linear-gradient(135deg, rgba(201, 162, 39, 0.45), rgba(123, 47, 247, 0.5), rgba(61, 90, 241, 0.35));
  box-shadow: var(--shadow-neon-purple);
}

.video-overlay {
  position: absolute;
  inset: 3px;
  border-radius: calc(var(--radius-lg) - 3px);
  overflow: hidden;
  cursor: pointer;
}

.video-overlay__thumb { width: 100%; height: 100%; object-fit: cover; }

.video-overlay__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  transition: background var(--transition);
}

.video-overlay__play .icon {
  width: 72px;
  height: 72px;
  color: var(--color-accent-light);
  filter: drop-shadow(0 0 20px rgba(201, 162, 39, 0.5));
}

.video-overlay:hover .video-overlay__play { background: rgba(0, 0, 0, 0.45); }

.video-embed { position: absolute; inset: 3px; border-radius: calc(var(--radius-lg) - 3px); overflow: hidden; }
.video-embed iframe { width: 100%; height: 100%; border: 0; }

/* Testimonials */
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.testimonial {
  padding: 2rem 1.75rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

.testimonial--neon {
  border-color: rgba(157, 78, 221, 0.35);
  box-shadow: inset 0 0 30px rgba(123, 47, 247, 0.06), 0 0 24px rgba(123, 47, 247, 0.08);
}

.testimonial__quote {
  font-size: 0.9rem;
  font-style: italic;
  line-height: 1.75;
  flex: 1;
  margin-bottom: 1.5rem;
  color: #e8e6f0;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-top: 1.15rem;
  border-top: 1px solid rgba(157, 78, 221, 0.15);
}

.testimonial__avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-on-cta);
  flex-shrink: 0;
}

.testimonial__name { font-size: 0.85rem; font-weight: 600; color: #fff; font-style: normal; }
.testimonial__role { font-size: 0.75rem; color: var(--color-text-subtle); }

/* CTA */
.cta-premium {
  position: relative;
  overflow: visible;
  border-radius: var(--radius-xl);
  background: var(--gradient-cta-section);
  border: 1px solid rgba(157, 78, 221, 0.25);
  padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 4vw, 2.5rem);
  text-align: center;
  box-shadow: var(--shadow-neon-purple), inset 0 0 60px rgba(123, 47, 247, 0.06);
}

.cta-premium::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(201, 162, 39, 0.35), rgba(123, 47, 247, 0.25));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.cta-premium > * { position: relative; z-index: 1; }

.cta-premium__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  color: #fff;
  margin-bottom: 1rem;
}

.cta-premium__desc {
  max-width: 520px;
  margin: 0 auto 2rem;
  color: var(--color-text-muted);
}

.cta-premium__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.cta-premium__actions .btn {
  flex: 1 1 auto;
  min-width: min(100%, 220px);
  max-width: 100%;
  white-space: normal;
  text-align: center;
}

/* FAQ */
.faq { max-width: 760px; margin-inline: auto; }
.faq__item { border-bottom: 1px solid rgba(255, 255, 255, 0.06); }

.faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.35rem 0;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  list-style: none;
  transition: color var(--transition);
}

.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover { color: var(--color-accent-light); }

.faq__item summary .icon {
  width: 18px;
  height: 18px;
  color: var(--color-text-subtle);
  transition: transform var(--transition);
}

.faq__item[open] summary .icon {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.faq__answer {
  padding-bottom: 1.35rem;
  font-size: 0.9rem;
  line-height: 1.75;
}

/* Footer */
.footer {
  background: var(--color-bg-elevated);
  border-top: 1px solid rgba(123, 47, 247, 0.15);
  padding-block: 3.5rem 1.5rem;
}

.footer__grid--tonette {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer__brand p {
  font-size: 0.85rem;
  line-height: 1.75;
  max-width: 340px;
  margin-bottom: 1.25rem;
}

.footer__col h4 {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.footer__col ul { display: flex; flex-direction: column; gap: 0.45rem; }
.footer__col a { font-size: 0.85rem; transition: color var(--transition); }
.footer__col a:hover { color: var(--color-accent-light); }

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--color-text-subtle);
}

/* Scrollbar */
.scrollbar {
  position: fixed;
  top: 0;
  right: 0;
  width: 8px;
  height: 100vh;
  z-index: 9990;
  pointer-events: none;
}

.scrollbar__track {
  position: relative;
  width: 100%;
  height: 100%;
  background: #000;
  pointer-events: auto;
}

.scrollbar__thumb {
  position: absolute;
  top: 0;
  left: 0;
  width: 8px;
  min-height: 56px;
  border-radius: 6px;
  background: linear-gradient(180deg, #3d5af1, #7b2ff7, #c9a227);
  box-shadow: 0 0 12px rgba(123, 47, 247, 0.5);
  cursor: grab;
  will-change: transform, height;
}

.scrollbar__thumb.is-dragging { cursor: grabbing; }

/* FAB */
.fab-group {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 39px;
}

.whatsapp-fab {
  position: relative;
  width: 58px;
  height: 58px;
  padding: 0;
  border: none;
  cursor: pointer;
  font: inherit;
  background: var(--color-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-fab::before,
.whatsapp-fab::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.5);
  z-index: -1;
  pointer-events: none;
  animation: whatsapp-glow 2.4s ease-out infinite;
}

.whatsapp-fab::after {
  animation-delay: 1.2s;
}

@keyframes whatsapp-glow {
  0% {
    transform: scale(1);
    opacity: 0.6;
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.45);
  }
  70% {
    opacity: 0.15;
  }
  100% {
    transform: scale(1.85);
    opacity: 0;
    box-shadow: 0 0 24px 8px rgba(37, 211, 102, 0);
  }
}

.whatsapp-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.55);
}

.whatsapp-fab svg {
  position: relative;
  z-index: 1;
  width: 28px;
  height: 28px;
  fill: #fff;
}

.whatsapp-fab__tooltip {
  position: absolute;
  right: 70px;
  background: var(--color-bg-secondary);
  color: #fff;
  border: 1px solid var(--color-border);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.whatsapp-fab:hover .whatsapp-fab__tooltip { opacity: 1; }

.scroll-top {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(157, 78, 221, 0.4);
  background: rgba(3, 5, 13, 0.94);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
}

.scroll-top .icon {
  width: 22px;
  height: 22px;
  transform: rotate(180deg);
  color: var(--color-accent);
}

.scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 1024px) {
  .pillars,
  .plans__grid { grid-template-columns: 1fr; }
  .plan-card--featured { transform: none; }
  .courses__grid { grid-template-columns: 1fr; }
  .course-card--featured { grid-column: auto; }
  .testimonials { grid-template-columns: 1fr; }
  .trust-bar__inner--4 { grid-template-columns: repeat(2, 1fr); }
  .trust-bar__item:nth-child(2) { border-right: none; }
  .scroll-top { display: none !important; }
}

@media (max-width: 768px) {
  :root { --header-h: 68px; }

  .container { padding-inline: max(20px, 5vw); }

  .nav__list {
    position: fixed;
    inset: var(--header-h) 0 auto;
    background: var(--color-bg);
    flex-direction: column;
    padding: 1.5rem;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
    border-bottom: 1px solid var(--color-border);
  }

  .nav__list.open { transform: translateY(0); opacity: 1; }
  .nav__toggle { display: flex; }
  .nav > .btn { display: none; }

  .hero__inner,
  .about__grid,
  .product,
  .footer__grid--tonette { grid-template-columns: 1fr; }

  .hero { overflow: visible; padding-bottom: clamp(1.5rem, 4vw, 2.5rem); }

  .hero__visual { order: -1; width: 100%; max-width: 100%; overflow: visible; justify-content: center; margin-bottom: 0; }
  .hero__portrait {
    width: min(520px, 92%);
  }
  .hero__portrait img {
    max-height: none;
    border-radius: var(--radius-lg);
  }
  .hero__portrait-glow { inset: -8%; }
  .hero__portrait-ring--1 { inset: -4%; }
  .hero__portrait-ring--2 { inset: -7%; }
  .hero__content { padding-bottom: 0.5rem; }
  .hero__actions { flex-wrap: wrap; }
  .hero__actions .btn { font-size: 0.88rem; padding: 0.72rem 1.1rem; }
  .hero__metrics {
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
    padding-bottom: 0.25rem;
  }

  .trust-bar { margin-top: 0; }

  .services__grid { grid-template-columns: 1fr; }
  .about__highlights { grid-template-columns: 1fr; }
  .trust-bar__inner--4 { grid-template-columns: 1fr; }
  .trust-bar__item { border-right: none !important; justify-content: flex-start; text-align: left; }
  .scrollbar { display: none !important; }
  .cta-premium {
    padding: clamp(2rem, 6vw, 2.75rem) clamp(1.15rem, 4vw, 1.5rem) clamp(2.75rem, 7vw, 3.25rem);
  }

  .cta-premium__actions {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 0.75rem;
  }

  .cta-premium__actions .btn {
    flex: 1 1 calc(50% - 0.5rem);
    min-width: 0;
    font-size: 0.88rem;
    padding: 0.75rem 1rem;
  }

  #cta.section {
    padding-bottom: calc(var(--section-py) + 1rem);
  }
}

@media (max-width: 480px) {
  .cta-premium__actions {
    flex-direction: column;
  }

  .cta-premium__actions .btn {
    flex: 1 1 100%;
    width: 100%;
  }
}

@media (max-width: 560px) {
  .hero__actions {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .hero__actions .btn {
    width: 100%;
    font-size: 0.92rem;
    padding: 0.78rem 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .hero__particles, .hero__stars { display: none; }
  .hero__portrait-ring--1,
  .hero__portrait-ring--2 { animation: none; }
}

.marquee__track {
  animation: marquee-scroll 28s linear infinite !important;
}