/* ==========================================================================
   Rai Damasceno — Design System
   Preto, branco e vermelho. Minimalista, alto contraste.
   ========================================================================== */

@font-face {
  font-family: 'Montserrat';
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  src: url('../fonts/montserrat-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Montserrat';
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  src: url('../fonts/montserrat-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Montserrat';
  font-weight: 600;
  font-style: normal;
  font-display: swap;
  src: url('../fonts/montserrat-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Montserrat';
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  src: url('../fonts/montserrat-700.woff2') format('woff2');
}
@font-face {
  font-family: 'Antonio';
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  src: url('../fonts/antonio-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Antonio';
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  src: url('../fonts/antonio-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Antonio';
  font-weight: 600;
  font-style: normal;
  font-display: swap;
  src: url('../fonts/antonio-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Antonio';
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  src: url('../fonts/antonio-700.woff2') format('woff2');
}

/* -------------------------------------------------------------------------
   Tokens
   ------------------------------------------------------------------------- */
:root {
  --color-black: #0a0a0a;
  --color-black-soft: #141414;
  --color-white: #f5f5f3;
  --color-red: #be1e2d;
  --color-red-dark: #8f1621;
  --color-gray: #6b6b6b;
  --color-gray-line: #2a2a2a;

  --font-display: 'Antonio', 'Arial Narrow', sans-serif;
  --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;

  --container-max: 1180px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6.5rem;

  --radius: 2px;
  --transition: 200ms ease;
}

/* -------------------------------------------------------------------------
   Reset
   ------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-weight: 600;
  line-height: 1.05;
  margin: 0 0 var(--space-2);
}
h1 { font-size: clamp(2.6rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); }

p { margin: 0 0 var(--space-2); color: rgba(245,245,243,0.78); }
.lead { font-size: 1.15rem; color: rgba(245,245,243,0.9); }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.section { padding: var(--space-6) 0; }
.section--tight { padding: var(--space-5) 0; }
.section--alt { background: var(--color-black-soft); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  color: var(--color-red);
  margin-bottom: var(--space-2);
}
.eyebrow::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-red);
  box-shadow: 0 0 0 3px rgba(190,30,45,0.25);
}

/* -------------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.95rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius);
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }

.btn--primary {
  background: var(--color-red);
  color: var(--color-white);
}
.btn--primary:hover { background: var(--color-red-dark); }

.btn--outline {
  background: transparent;
  border-color: var(--color-white);
  color: var(--color-white);
}
.btn--outline:hover { background: var(--color-white); color: var(--color-black); }

.btn--ghost {
  background: transparent;
  border-color: rgba(245,245,243,0.3);
  color: var(--color-white);
}
.btn--ghost:hover { border-color: var(--color-white); }

.btn--block { width: 100%; justify-content: center; }

/* -------------------------------------------------------------------------
   Header / Nav
   ------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--space-3);
  max-width: var(--container-max);
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.3rem;
  letter-spacing: 0.03em;
}
.logo__mark { height: 46px; width: auto; }
.logo strong { color: var(--color-white); }
.logo span { color: var(--color-red); }

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.nav__links {
  display: flex;
  gap: var(--space-3);
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}
.nav__links a {
  position: relative;
  padding: 0.3rem 0;
  color: rgba(245,245,243,0.75);
  transition: color var(--transition);
}
.nav__links a:hover,
.nav__links a[aria-current="page"] { color: var(--color-white); }
.nav__links a[aria-current="page"]::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: var(--color-red);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 1.6rem;
  padding: 0.2rem;
}

@media (max-width: 860px) {
  .nav__links {
    position: fixed;
    flex: none;
    top: 68px;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 90;
    overflow-y: auto;
    background: var(--color-black);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-3);
    transform: translateX(100%);
    transition: transform var(--transition);
    font-size: 1.4rem;
    box-sizing: border-box;
  }
  .nav__links.is-open { transform: translateX(0); }
  .nav-toggle { display: block; }
}

/* -------------------------------------------------------------------------
   Hero simples — usado nas páginas internas (Sobre, Curso, Equipamentos, Contato)
   ------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding: var(--space-6) 0 var(--space-5);
  overflow: hidden;
  border-bottom: 1px solid var(--color-gray-line);
}
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 140%;
  background: radial-gradient(circle, rgba(190,30,45,0.18), transparent 70%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.hero__inner--wide { max-width: 960px; }
.hero h1 { margin-bottom: var(--space-3); }
.hero__actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

/* -------------------------------------------------------------------------
   Hero da home — full-bleed, imagem/vídeo de fundo cobrindo toda a seção
   ------------------------------------------------------------------------- */
.hero--full {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--space-6);
  overflow: hidden;
  border-bottom: 1px solid var(--color-gray-line);
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% center;
}
.hero__bg-placeholder {
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 70% 30%, rgba(190,30,45,0.22), transparent 55%),
    linear-gradient(160deg, #1c1c1c, #0a0a0a);
  border: 1px dashed var(--color-gray-line);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-3);
  color: var(--color-gray);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 1rem;
  line-height: 1.6;
}
.hero__bg-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg,
      rgba(10,10,10,0.97) 0%,
      rgba(10,10,10,0.85) 22%,
      rgba(10,10,10,0.45) 42%,
      rgba(10,10,10,0.1) 62%,
      transparent 75%),
    linear-gradient(0deg,
      rgba(10,10,10,0.95) 0%,
      rgba(10,10,10,0.6) 22%,
      transparent 50%);
}
.hero__content {
  position: relative;
  z-index: 1;
  width: 380px;
  max-width: calc(100% - 2rem);
  padding-bottom: var(--space-2);
  margin-left: clamp(1.5rem, 17vw, 19rem);
}
.hero--full h1 {
  margin-bottom: var(--space-2);
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
}
.hero--full .lead {
  font-size: 0.9rem;
  max-width: 330px;
}
.hero--full .eyebrow { font-size: 0.7rem; }
.hero--full .hero__actions {
  margin-top: var(--space-2);
}
.hero--full .btn {
  padding: 0.7rem 1.5rem;
  font-size: 0.85rem;
}
.hero__accent { color: var(--color-red); }

.hero__watermark {
  position: absolute;
  left: -75vw;
  top: 50%;
  transform: translateY(-50%);
  width: 150vw;
  max-width: none;
  max-height: none;
  opacity: 0.16;
  z-index: 1;
  pointer-events: none;
  user-select: none;
}

@media (max-width: 700px) {
  .hero--full { min-height: 78vh; }
  .hero__bg-overlay {
    background:
      linear-gradient(0deg,
        rgba(10,10,10,0.97) 0%,
        rgba(10,10,10,0.7) 35%,
        rgba(10,10,10,0.3) 65%,
        rgba(10,10,10,0.15) 100%);
  }
  .hero__watermark { display: none; }
}

/* -------------------------------------------------------------------------
   Cards / Grids
   ------------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-3);
}
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--color-black-soft);
  border: 1px solid var(--color-gray-line);
  border-radius: var(--radius);
  padding: var(--space-3);
  transition: border-color var(--transition), transform var(--transition);
}
.card:hover { border-color: rgba(190,30,45,0.5); }

.card--product { display: flex; flex-direction: column; gap: var(--space-2); }
.card--product:hover .card__thumb img { transform: scale(1.04); }
.card__thumb {
  position: relative;
  aspect-ratio: 4/3;
  background: #1a1a1a;
  border-radius: var(--radius);
  overflow: hidden;
}
.card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}
.card__badge {
  position: absolute;
  top: 0.7rem;
  left: 0.7rem;
  z-index: 1;
  background: var(--color-red);
  color: var(--color-white);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.7rem;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius);
}
.card__price {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-red);
}
.price-old {
  text-decoration: line-through;
  color: var(--color-gray);
  font-size: 0.9rem;
}
.price-discount {
  display: inline-block;
  background: var(--color-red);
  color: var(--color-white);
  font-size: 0.65rem;
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius);
  vertical-align: middle;
  margin-left: 0.3rem;
}

/* -------------------------------------------------------------------------
   Forms
   ------------------------------------------------------------------------- */
.form-field { margin-bottom: var(--space-3); }
.form-field label {
  display: block;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  color: rgba(245,245,243,0.85);
}
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  background: var(--color-black-soft);
  border: 1px solid var(--color-gray-line);
  color: var(--color-white);
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  font-size: 1rem;
  transition: border-color var(--transition);
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--color-red);
}
.form-field textarea { resize: vertical; min-height: 140px; }
.form-hint { font-size: 0.85rem; color: var(--color-gray); margin-top: 0.4rem; }

.field-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.alert {
  padding: 1rem 1.2rem;
  border-radius: var(--radius);
  margin-bottom: var(--space-3);
  font-size: 0.95rem;
}
.alert--success { background: rgba(46,125,50,0.15); border: 1px solid #2e7d32; color: #a5d6a7; }
.alert--error { background: rgba(190,30,45,0.15); border: 1px solid var(--color-red); color: #f3a8ae; }

/* -------------------------------------------------------------------------
   Sections helpers
   ------------------------------------------------------------------------- */
.section-head { max-width: 640px; margin-bottom: var(--space-4); }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }

.divider {
  height: 1px;
  background: var(--color-gray-line);
  border: none;
  margin: var(--space-5) 0;
}

.badge {
  display: inline-block;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--color-red);
  color: var(--color-red);
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  border-radius: var(--radius);
}

/* Category list (equipamentos) */
.category-block { margin-bottom: var(--space-5); }
.category-block__title {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  border-bottom: 2px solid var(--color-red);
  padding-bottom: 0.6rem;
  margin-bottom: var(--space-3);
}
.category-block__title span {
  font-family: var(--font-body);
  text-transform: none;
  font-size: 0.9rem;
  color: var(--color-gray);
}

.gear-card { display: flex; flex-direction: column; height: 100%; }
.gear-card__img {
  aspect-ratio: 1/1;
  background: #1a1a1a;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: var(--space-2);
}
.gear-card__img img { width: 100%; height: 100%; object-fit: contain; padding: 1rem; }
.gear-card h4 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.gear-card p { font-size: 0.9rem; flex-grow: 1; }

/* -------------------------------------------------------------------------
   Video embed
   ------------------------------------------------------------------------- */
.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-gray-line);
}
.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* -------------------------------------------------------------------------
   Carrossel de vídeos com bordinha dos vizinhos (home)
   ------------------------------------------------------------------------- */
.yt-peek-glow {
  position: relative;
  padding: 2.5rem 2rem;
}
.yt-peek-glow::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: radial-gradient(ellipse at center, rgba(190,30,45,0.85) 0%, rgba(190,30,45,0.5) 35%, rgba(190,30,45,0.15) 60%, rgba(190,30,45,0) 78%);
  filter: blur(32px);
  z-index: 0;
  pointer-events: none;
}
.yt-peek {
  position: relative;
  z-index: 1;
  overflow: hidden;
  height: 190px;
}
.yt-peek__track {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  display: flex;
  gap: 10px;
  transition: transform 0.7s cubic-bezier(.65,0,.35,1);
}
.yt-peek__slide {
  position: relative;
  flex: 0 0 auto;
  height: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--color-gray-line);
  opacity: 0.4;
  transform: scale(0.92);
  transition: opacity 0.4s, transform 0.4s;
}
.yt-peek__slide.is-active {
  opacity: 1;
  transform: scale(1);
}
.yt-peek__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.yt-peek__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--color-white);
  background: rgba(0,0,0,0.3);
}
.yt-peek__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: var(--space-2);
  padding-top: var(--space-4);
  background: linear-gradient(to top, rgba(0,0,0,0.85), transparent);
  color: var(--color-white);
  font-size: 0.8rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
@media (min-width: 900px) {
  .yt-peek { height: 240px; }
}

.video-showcase {
  max-width: 960px;
  margin: 0 auto;
}
.video-showcase__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  margin-top: var(--space-3);
}
@media (max-width: 700px) {
  .video-showcase__list { grid-template-columns: 1fr; }
}

.video-thumb {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  background: none;
  border: none;
  padding: 0;
  text-align: left;
  color: inherit;
}
.video-thumb__img {
  position: relative;
  display: block;
  aspect-ratio: 16/9;
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid transparent;
  transition: border-color var(--transition);
}
.video-thumb__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-thumb__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10,10,10,0.35);
  color: var(--color-white);
  font-size: 1.4rem;
  opacity: 0;
  transition: opacity var(--transition);
}
.video-thumb:hover .video-thumb__play { opacity: 1; }
.video-thumb:hover .video-thumb__img { border-color: rgba(190,30,45,0.5); }
.video-thumb.is-active .video-thumb__img { border-color: var(--color-red); }
.video-thumb__title {
  font-size: 0.9rem;
  line-height: 1.4;
  color: rgba(245,245,243,0.85);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-thumb.is-active .video-thumb__title { color: var(--color-white); }

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-gray-line);
  padding: var(--space-5) 0 var(--space-3);
  background: var(--color-black-soft);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-grid h4 {
  font-size: 0.95rem;
  margin-bottom: var(--space-2);
  color: var(--color-white);
}
.footer-links a {
  display: block;
  padding: 0.35rem 0;
  color: rgba(245,245,243,0.7);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--color-red); }
.footer-social { display: flex; gap: var(--space-2); margin-top: var(--space-2); }
.footer-social a {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-gray-line);
  border-radius: 50%;
  transition: border-color var(--transition), color var(--transition);
}
.footer-social a:hover { border-color: var(--color-red); color: var(--color-red); }
.footer-social svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  display: block;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-gray-line);
  font-size: 0.85rem;
  color: var(--color-gray);
}

/* -------------------------------------------------------------------------
   Utilities
   ------------------------------------------------------------------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}