/* ═══════════════════════════════════════════════════
   PROFECTUS NASHVILLE — Premium BJJ Site
   ═══════════════════════════════════════════════════ */

:root {
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --bg-card: #1a1a1a;
  --text: #f5f5f5;
  --text-muted: #999;
  --text-dim: #666;
  --accent: #3ecdc6;
  --accent-bright: #5fffef;
  --accent-glow: rgba(62, 205, 198, 0.15);
  --red: #e63946;
  --white: #ffffff;
  --border: rgba(255,255,255,0.08);
  --border-light: rgba(255,255,255,0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Oswald', 'Inter', sans-serif;
  --max-w: 1200px;
  --nav-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ═══ TYPOGRAPHY ═══ */
.section-tag {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-tag.center { text-align: center; }
.section-tag.light { color: var(--accent-bright); }

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.section-title.center { text-align: center; }
.section-title.light { color: var(--white); }

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 48px;
  font-size: 1.05rem;
  line-height: 1.8;
}

/* ═══ BUTTONS ═══ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  text-transform: uppercase;
}
.btn-primary {
  background: var(--accent);
  color: #0a0a0a;
}
.btn-primary:hover {
  background: var(--accent-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(62, 205, 198, 0.35);
}
.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1.5px solid var(--border-light);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}
.btn-outline:hover {
  background: var(--accent);
  color: #0a0a0a;
  transform: translateY(-2px);
}
.btn-lg { padding: 18px 42px; font-size: 1.05rem; }

/* ═══ NAVIGATION ═══ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 1000;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.nav-logo { display: flex; align-items: center; }
.logo-svg { display: none; }
.logo-img { height: 40px; width: auto; filter: brightness(0) invert(1); }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.25s;
}
.nav-links a:hover { color: var(--accent); }
.nav-cta {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 10px 22px;
  border: 1.5px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--accent);
  transition: all 0.3s;
}
.nav-cta:hover { background: var(--accent); color: #0a0a0a; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all 0.3s;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.mobile-menu.active { opacity: 1; pointer-events: all; }
.mobile-link {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  transition: color 0.25s;
}
.mobile-link:hover { color: var(--accent); }
.mobile-cta {
  margin-top: 16px;
  padding: 16px 40px;
  background: var(--accent);
  color: #0a0a0a;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
}

/* ═══ HERO ═══ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10,10,10,0.92) 0%,
    rgba(10,10,10,0.75) 40%,
    rgba(10,10,10,0.5) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 120px 24px 80px;
}
.hero-tag {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-tag::before {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--accent);
}
.hero-headline {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.05;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero-accent {
  display: block;
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  color: var(--white);
}
.hero-sub-line {
  display: block;
  font-size: clamp(1.8rem, 5vw, 3rem);
  color: var(--text-muted);
}
.hero-subtext {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red);
  padding: 10px 20px;
  border: 1.5px solid var(--red);
  border-radius: var(--radius-sm);
  animation: badge-pulse 2.5s ease-in-out infinite;
}
@keyframes badge-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.hero-scroll-indicator span {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-dim), transparent);
  animation: scroll-anim 2s ease-in-out infinite;
}
@keyframes scroll-anim {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ═══ TRUST BAR ═══ */
.trust-bar {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}
.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.trust-item { text-align: center; }
.trust-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.trust-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}
.trust-divider {
  width: 1px;
  height: 36px;
  background: var(--border-light);
}
@media (max-width: 768px) {
  .trust-bar-inner { gap: 24px; }
  .trust-divider { display: none; }
  .trust-item { flex: 0 0 40%; }
}

/* ═══ ABOUT ═══ */
.about {
  padding: 100px 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-img {
  border-radius: var(--radius-lg);
  width: 100%;
  aspect-ratio: auto;
}
.about-text-col p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.8;
}
.about-highlight {
  color: var(--white) !important;
  font-weight: 500;
  border-left: 3px solid var(--accent);
  padding-left: 16px;
  margin-top: 20px !important;
}
@media (max-width: 768px) {
  .about { padding: 64px 0; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ═══ WHY US ═══ */
.why-us {
  padding: 100px 0;
  background: var(--bg-elevated);
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 28px;
  transition: border-color 0.3s, transform 0.3s;
}
.why-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}
.why-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.why-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}
@media (max-width: 768px) {
  .why-us { padding: 64px 0; }
  .why-grid { grid-template-columns: 1fr; }
}

/* ═══ PROGRAMS ═══ */
.programs {
  padding: 100px 0;
}
.programs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.program-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: border-color 0.3s, transform 0.3s;
  position: relative;
}
.program-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}
.program-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.25;
  position: absolute;
  top: 20px;
  right: 28px;
  line-height: 1;
}
.program-card h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.program-card p {
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.75;
}
@media (max-width: 768px) {
  .programs { padding: 64px 0; }
  .programs-grid { grid-template-columns: 1fr; }
}

/* ═══ SCHEDULE ═══ */
.schedule {
  padding: 100px 0;
  background: var(--bg-elevated);
}
.schedule-image-wrapper {
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.schedule-img {
  width: 100%;
  display: block;
}
.schedule-cta {
  text-align: center;
  margin-top: 40px;
}

/* ═══ TESTIMONIALS ═══ */
.testimonials {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}
.testimonials-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.testimonials-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.testimonials-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.85);
}
.testimonials-content {
  position: relative;
  z-index: 1;
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: transform 0.3s, border-color 0.3s;
}
.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}
.quote-mark {
  font-size: 3rem;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 12px;
}
.testimonial-card p {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-author {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--white);
  letter-spacing: 0.03em;
}
@media (max-width: 768px) {
  .testimonials { padding: 64px 0; }
  .testimonials-grid { grid-template-columns: 1fr; }
}

/* ═══ HOW IT WORKS ═══ */
.how-it-works {
  padding: 100px 0;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: transform 0.3s, border-color 0.3s;
}
.step-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}
.step-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}
.step-content {
  padding: 28px;
  text-align: center;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #0a0a0a;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 12px;
}
.step-content h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  text-transform: uppercase;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
@media (max-width: 768px) {
  .how-it-works { padding: 64px 0; }
  .steps-grid { grid-template-columns: 1fr; }
}

/* ═══ FAQ ═══ */
.faq {
  padding: 100px 0;
  background: var(--bg-elevated);
}
.faq-list {
  max-width: 780px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item summary {
  padding: 24px 0;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.25s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--accent);
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item[open] summary::after {
  content: '−';
}
.faq-item summary:hover { color: var(--accent); }
.faq-answer {
  padding: 0 0 24px;
}
.faq-answer p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}
@media (max-width: 768px) {
  .faq { padding: 64px 0; }
}

/* ═══ CTA BANNER ═══ */
.cta-banner {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(62,205,198,0.08) 0%, rgba(10,10,10,1) 50%, rgba(62,205,198,0.05) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-banner-inner { text-align: center; }
.cta-banner h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.cta-banner p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 32px;
  max-width: 550px;
  margin-left: auto;
  margin-right: auto;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ═══ LOCATION ═══ */
.location {
  padding: 100px 0;
}
.location-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.location-address {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 500;
  text-transform: uppercase;
  line-height: 1.5;
  margin-bottom: 8px;
}
.location-phone {
  font-size: 1.1rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 20px;
}
.location-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 24px;
}
@media (max-width: 768px) {
  .location { padding: 64px 0; }
  .location-grid { grid-template-columns: 1fr; }
}

/* ═══ FOOTER ═══ */
.site-footer {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-logo {
  height: 40px;
  filter: brightness(0) invert(1);
  margin-bottom: 12px;
}
.footer-tagline {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.footer-inner h4 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 16px;
}
.footer-locations li,
.footer-links li {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 8px;
}
.footer-links a { transition: color 0.25s; }
.footer-links a:hover { color: var(--accent); }
.footer-cta-btn { width: 100%; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}
.footer-bottom p {
  color: var(--text-dim);
  font-size: 0.82rem;
  text-align: center;
}
@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
}

/* ═══ ANIMATIONS ═══ */
@media (prefers-reduced-motion: no-preference) {
  .fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .fade-up.visible {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; }
}