/* ========================================
   VITOR L. PERSONAL – style.css
   Dark premium gym landing page
   ======================================== */

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #161616;
  --bg-card-hover: #1c1c1c;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #6b6b6b;
  --accent: #00b4ff;
  --accent-hover: #33c4ff;
  --accent-dark: #0090cc;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --transition: 0.25s ease;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --container: 1140px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ---------- Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.text-accent {
  color: var(--accent);
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-title--center {
  text-align: center;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto 48px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 50px;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: #000;
}

.btn--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 180, 255, 0.35);
}

.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0, 180, 255, 0.08);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 18px 36px;
  font-size: 1.05rem;
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 0;
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo__text {
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.logo__text strong {
  font-weight: 800;
}

.header__instagram {
  color: var(--text-secondary);
  transition: color var(--transition), transform var(--transition);
  display: flex;
  align-items: center;
}

.header__instagram:hover {
  color: var(--accent);
  transform: scale(1.1);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 0 80px;
  text-align: center;
  overflow: hidden;
  background: #0a0a0a;
}

.hero__video-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero__video-wrapper iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100vw;
  height: 100vh;
  min-width: 100%;
  min-height: 100%;
  transform: translate(-50%, -50%) scale(1.5);
  border: none;
  pointer-events: none;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.4) 100%);
  z-index: 1;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 860px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 180, 255, 0.12);
  border: 1px solid rgba(0, 180, 255, 0.25);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 28px;
}

.hero__title {
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

/* ---------- About ---------- */
.about {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 64px;
  align-items: center;
}

.about__image-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.about__image {
  width: 100%;
  height: auto;
  aspect-ratio: 4/5;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.about__image-wrap:hover .about__image {
  transform: scale(1.03);
}

.about__content {
  max-width: 540px;
}

.about__text {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 32px;
  line-height: 1.7;
}

.about__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 16px;
  transition: all var(--transition);
}

.info-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 180, 255, 0.3);
  transform: translateY(-3px);
}

.info-card h3 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 8px;
}

.info-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ---------- Services ---------- */
.services {
  padding: 100px 0;
  background: var(--bg-primary);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 180, 255, 0.25);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 180, 255, 0.1);
  border-radius: 50%;
  color: var(--accent);
  transition: all var(--transition);
}

.service-card:hover .service-card__icon {
  background: rgba(0, 180, 255, 0.2);
  transform: scale(1.08);
}

.service-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ---------- How it Works ---------- */
.how-it-works {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  position: relative;
  transition: all var(--transition);
}

.step:hover {
  border-color: rgba(0, 180, 255, 0.3);
  transform: translateY(-4px);
}

.step__number {
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(0, 180, 255, 0.15);
  line-height: 1;
  margin-bottom: 12px;
}

.step__icon {
  color: var(--accent);
  margin-bottom: 16px;
}

.step h3 {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}

.step p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ---------- Results ---------- */
.results {
  padding: 100px 0;
  background: var(--bg-primary);
}

.results__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.result-card {
  transition: transform var(--transition);
}

.result-card:hover {
  transform: translateY(-6px);
}

.result-card__images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 14px;
}

.result-card__before,
.result-card__after {
  position: relative;
  overflow: hidden;
}

.result-card__before img,
.result-card__after img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.result-card:hover img {
  transform: scale(1.04);
}

.label {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 4px;
  z-index: 2;
}

.label--after {
  background: var(--accent);
  color: #000;
}

.result-card__caption {
  text-align: center;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ---------- Testimonials ---------- */
.testimonials {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all var(--transition);
}

.testimonial-card:hover {
  border-color: rgba(0, 180, 255, 0.25);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.testimonial-card__stars {
  color: #ffc107;
  font-size: 1.1rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.testimonial-card blockquote {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-card footer {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.testimonial-card footer strong {
  font-size: 0.95rem;
  font-weight: 700;
}

.testimonial-card footer span {
  font-size: 0.85rem;
  color: var(--accent);
}

/* ---------- Instagram ---------- */
.instagram {
  padding: 100px 0;
  background: var(--bg-primary);
}

.instagram__handle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 40px;
}

.instagram__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.instagram__item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 1;
  display: block;
}

.instagram__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.instagram__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  opacity: 0;
  transition: opacity var(--transition);
}

.instagram__item:hover img {
  transform: scale(1.08);
}

.instagram__item:hover .instagram__overlay {
  opacity: 1;
}

.instagram__cta {
  text-align: center;
}

/* ---------- CTA Final ---------- */
.cta-final {
  position: relative;
  padding: 120px 0;
  background: 
    linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.85)),
    url('https://images.unsplash.com/photo-1517836357463-d25dfeac3438?w=1920&h=800&fit=crop&q=80') center/cover no-repeat;
  text-align: center;
}

.cta-final__content {
  max-width: 700px;
}

.cta-final__title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.2;
}

.cta-final__text {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 36px;
}

/* ---------- Footer ---------- */
.footer {
  background: #080808;
  border-top: 1px solid var(--border);
  padding-top: 60px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer__brand h3 {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 12px;
}

.footer__brand h3 span {
  font-weight: 800;
}

.footer__location {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer__contact h4,
.footer__service h4 {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 14px;
}

.footer__contact a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 8px;
  transition: color var(--transition);
}

.footer__contact a:hover {
  color: var(--accent);
}

.footer__service p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer__bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
}

.footer__bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---------- WhatsApp Float ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  z-index: 99;
  transition: all var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.55);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .about__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about__image-wrap {
    max-width: 420px;
    margin: 0 auto;
  }

  .about__content {
    max-width: 100%;
    text-align: center;
  }

  .about__cards {
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
  }

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .results__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .testimonials__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 48px auto 0;
  }

  .instagram__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 18px;
  }

  .hero {
    min-height: 90vh;
    padding: 100px 0 60px;
  }

  .hero__title {
    font-size: 1.85rem;
  }

  .about,
  .services,
  .how-it-works,
  .results,
  .testimonials,
  .instagram {
    padding: 70px 0;
  }

  .about__cards {
    grid-template-columns: 1fr;
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .instagram__grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .cta-final {
    padding: 80px 0;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .footer__location {
    justify-content: center;
  }

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

  .whatsapp-float {
    width: 54px;
    height: 54px;
    bottom: 20px;
    right: 20px;
  }
}

/* ---------- Small refinements ---------- */
@media (min-width: 641px) and (max-width: 1024px) {
  .btn {
    width: auto;
  }
}

/* Smooth image loading */
img {
  background: var(--bg-card);
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Ajuste extra para o vídeo no mobile */
@media (max-width: 768px) {
  .hero__video-wrapper iframe {
    width: 100vw;
    height: 100vh;
    min-width: 100%;
    min-height: 100%;
    transform: translate(-50%, -50%) scale(3.5); /* mais forte no mobile */
  }
}