/* ==========================================================================
   Forge Athletics — shared stylesheet
   ========================================================================== */

:root {
  --black: #0a0a0a;
  --charcoal: #161616;
  --charcoal-2: #1f1f1f;
  --steel: #2a2a2a;
  --white: #f5f5f0;
  --dim: #b8b8b0;
  --orange: #ff4e00;
  --orange-2: #ff7a00;
  --yellow: #ffd400;

  --font-display: 'Anton', 'Arial Narrow', Impact, sans-serif;
  --font-body: 'Barlow', 'Segoe UI', Arial, sans-serif;

  --sidebar-w: 240px;
  --header-h: 64px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

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

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

ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.05;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.8rem;
  color: var(--orange);
  margin-bottom: 0.75rem;
}

/* ==========================================================================
   Layout shell: sidebar + main
   ========================================================================== */

.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ---- Sidebar ---- */

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--charcoal);
  border-right: 4px solid var(--orange);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 100;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1.75rem 1.5rem 1.25rem;
  border-bottom: 1px solid var(--steel);
}

.sidebar-brand .mark {
  width: 38px;
  height: 38px;
  background: var(--orange);
  color: var(--black);
  font-family: var(--font-display);
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: skew(-8deg);
  flex-shrink: 0;
}

.sidebar-brand .brand-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.sidebar-brand .brand-text span { color: var(--orange); }

.sidebar-nav {
  flex: 1;
  padding: 1.5rem 0;
  overflow-y: auto;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.9rem 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.9rem;
  color: var(--dim);
  border-left: 4px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.sidebar-nav a .icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.sidebar-nav a:hover {
  background: var(--charcoal-2);
  color: var(--white);
}

.sidebar-nav a.active {
  color: var(--white);
  background: var(--charcoal-2);
  border-left-color: var(--orange);
}

.sidebar-foot {
  padding: 1.5rem;
  border-top: 1px solid var(--steel);
  font-size: 0.8rem;
  color: var(--dim);
}

.sidebar-foot .hours {
  color: var(--orange);
  font-weight: 700;
}

/* ---- Mobile top bar (hidden on desktop) ---- */

.topbar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 200;
  align-items: center;
  justify-content: space-between;
  background: var(--charcoal);
  border-bottom: 4px solid var(--orange);
  padding: 0.9rem 1.25rem;
  height: var(--header-h);
}

.topbar .brand-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.topbar .brand-text span { color: var(--orange); }

.hamburger {
  width: 42px;
  height: 42px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: transparent;
  border: 2px solid var(--orange);
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--white);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 90;
}

/* ---- Main content ---- */

.main-content {
  flex: 1;
  min-width: 0;
}

.page-section {
  padding: 4rem 3.5rem;
  max-width: 1180px;
}

.page-header {
  margin-bottom: 3rem;
}

.page-header h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
}

.page-header p {
  color: var(--dim);
  max-width: 640px;
  margin-top: 1rem;
  font-size: 1.05rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 2.1rem;
  font-family: var(--font-body);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.9rem;
  border: 3px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--orange);
  color: var(--black);
  box-shadow: 6px 6px 0 var(--yellow);
}

.btn-primary:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 var(--yellow);
}

.btn-primary:active {
  transform: translate(0, 0);
  box-shadow: 2px 2px 0 var(--yellow);
}

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

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

.btn-block { width: 100%; }

/* ==========================================================================
   Home / Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
  background:
    linear-gradient(180deg, rgba(10,10,10,0.35) 0%, rgba(10,10,10,0.55) 40%, rgba(10,10,10,0.96) 100%),
    url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
  border-bottom: 6px solid var(--orange);
}

.hero-inner {
  padding: 3rem 3.5rem 4.5rem;
  max-width: 900px;
}

.hero-inner .eyebrow {
  background: var(--orange);
  color: var(--black);
  padding: 0.35rem 0.9rem;
  letter-spacing: 3px;
}

.hero-inner h1 {
  font-size: clamp(2.8rem, 7vw, 5.6rem);
  margin: 1.2rem 0 1.4rem;
  text-shadow: 3px 3px 0 rgba(0,0,0,0.5);
}

.hero-inner h1 .accent { color: var(--orange); }

.hero-inner p {
  font-size: 1.15rem;
  color: var(--white);
  max-width: 560px;
  margin-bottom: 2.2rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--steel);
  border-bottom: 1px solid var(--steel);
}

.stat-strip div {
  padding: 2.2rem 1.5rem;
  text-align: center;
  border-right: 1px solid var(--steel);
}

.stat-strip div:last-child { border-right: none; }

.stat-strip .num {
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--orange);
  display: block;
}

.stat-strip .label {
  font-size: 0.8rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--dim);
}

.section-block {
  padding: 5rem 3.5rem;
  max-width: 1180px;
}

.section-block h2 {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  margin-bottom: 1rem;
}

.section-block > p.lead {
  color: var(--dim);
  max-width: 620px;
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.feature-card {
  background: var(--charcoal);
  border: 1px solid var(--steel);
  border-top: 4px solid var(--orange);
  padding: 2rem 1.75rem;
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  color: var(--yellow);
}

.feature-card p {
  color: var(--dim);
  font-size: 0.95rem;
}

.cta-banner {
  background: linear-gradient(115deg, var(--orange), var(--yellow));
  color: var(--black);
  padding: 4rem 3.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-banner h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  color: var(--black);
}

.cta-banner .btn-outline {
  border-color: var(--black);
  color: var(--black);
}

.cta-banner .btn-outline:hover {
  background: var(--black);
  color: var(--yellow);
}

/* ==========================================================================
   Classes page
   ========================================================================== */

.filter-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-btn {
  background: transparent;
  border: 2px solid var(--steel);
  color: var(--dim);
  font-family: var(--font-body);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.85rem;
  padding: 0.65rem 1.4rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-btn:hover {
  border-color: var(--orange);
  color: var(--white);
}

.filter-btn.active {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--black);
}

.class-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.class-card {
  background: var(--charcoal);
  border: 1px solid var(--steel);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.class-card:hover {
  transform: translateY(-4px);
  border-color: var(--orange);
}

.class-card.hidden { display: none; }

.class-card .thumb {
  position: relative;
  height: 190px;
  overflow: hidden;
}

.class-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.class-card .tag {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  background: var(--orange);
  color: var(--black);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
}

.class-card .body {
  padding: 1.5rem;
}

.class-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.class-card p {
  color: var(--dim);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.class-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--orange-2);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-top: 1px solid var(--steel);
  padding-top: 0.85rem;
}

.empty-state {
  display: none;
  text-align: center;
  padding: 4rem 1rem;
  color: var(--dim);
  border: 2px dashed var(--steel);
}

.empty-state.show { display: block; }

/* ==========================================================================
   Trainers page
   ========================================================================== */

.trainer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.trainer-card {
  background: var(--charcoal);
  border: 1px solid var(--steel);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.trainer-card:hover {
  transform: translateY(-4px);
  border-color: var(--orange);
}

.trainer-photo {
  height: 260px;
  overflow: hidden;
}

.trainer-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(30%) contrast(1.05);
  transition: filter 0.2s ease;
}

.trainer-card:hover .trainer-photo img {
  filter: grayscale(0%) contrast(1.1);
}

.trainer-info {
  padding: 1.5rem;
  border-top: 3px solid var(--orange);
}

.trainer-info h3 {
  font-size: 1.35rem;
  margin-bottom: 0.3rem;
}

.trainer-info .specialty {
  color: var(--orange);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.8rem;
  margin-bottom: 0.85rem;
}

.trainer-info p.bio {
  color: var(--dim);
  font-size: 0.9rem;
}

/* ==========================================================================
   Membership page
   ========================================================================== */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  align-items: stretch;
}

.price-card {
  background: var(--charcoal);
  border: 1px solid var(--steel);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.price-card.featured {
  background: var(--charcoal-2);
  border-color: var(--orange);
  box-shadow: 0 0 0 1px var(--orange);
}

.price-card .badge {
  position: absolute;
  top: -14px;
  left: 2rem;
  background: var(--orange);
  color: var(--black);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
}

.price-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
}

.price-card .tagline {
  color: var(--dim);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.price-card .price {
  font-family: var(--font-display);
  font-size: 3.2rem;
  color: var(--orange);
  margin-bottom: 0.25rem;
}

.price-card .price sup {
  font-size: 1.4rem;
  top: -1.4rem;
  font-family: var(--font-body);
}

.price-card .price span.per {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--dim);
  text-transform: lowercase;
}

.price-card ul.perks {
  margin: 1.75rem 0 2rem;
  flex: 1;
}

.price-card ul.perks li {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--steel);
  font-size: 0.92rem;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.price-card ul.perks li::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--orange);
  flex-shrink: 0;
  transform: rotate(45deg);
}

.join-btn {
  background: transparent;
  border: 3px solid var(--orange);
  color: var(--orange);
  font-family: var(--font-body);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 0.95rem 1.5rem;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.price-card.featured .join-btn {
  background: var(--orange);
  color: var(--black);
}

.join-btn:hover {
  background: var(--orange);
  color: var(--black);
}

.join-btn.joined {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--black);
  cursor: default;
}

.membership-note {
  margin-top: 3rem;
  padding: 1.75rem 2rem;
  background: var(--charcoal);
  border-left: 4px solid var(--orange);
  color: var(--dim);
  font-size: 0.92rem;
}

/* ==========================================================================
   Contact page
   ========================================================================== */

.contact-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
}

.contact-form {
  background: var(--charcoal);
  border: 1px solid var(--steel);
  padding: 2.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  margin-bottom: 1.4rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--dim);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--black);
  border: 1px solid var(--steel);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.8rem 0.95rem;
  transition: border-color 0.15s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--orange);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-status {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  background: var(--charcoal-2);
  border-left: 4px solid var(--orange);
  font-size: 0.9rem;
  display: none;
}

.form-status.show { display: block; }

.info-card {
  background: var(--charcoal);
  border: 1px solid var(--steel);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
}

.info-card h3 {
  font-size: 1.05rem;
  color: var(--orange);
  margin-bottom: 1rem;
  letter-spacing: 1px;
}

.info-card .hours-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--steel);
  color: var(--dim);
}

.info-card .hours-row:last-child { border-bottom: none; }

.info-card .hours-row span:last-child {
  color: var(--white);
  font-weight: 600;
}

.info-card address {
  font-style: normal;
  color: var(--dim);
  font-size: 0.95rem;
  line-height: 1.8;
}

.info-card address strong {
  color: var(--white);
  display: block;
  margin-bottom: 0.3rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--steel);
  padding: 2.5rem 3.5rem;
  color: var(--dim);
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer .accent { color: var(--orange); }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .feature-grid,
  .class-grid,
  .trainer-grid,
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

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

  .stat-strip div:nth-child(2) { border-right: none; }
}

@media (max-width: 860px) {
  .app-shell {
    flex-direction: column;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 150;
    box-shadow: 8px 0 24px rgba(0,0,0,0.5);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-backdrop.show {
    display: block;
  }

  .topbar {
    display: flex;
  }

  .page-section,
  .section-block,
  .hero-inner,
  .cta-banner,
  .site-footer {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .hero {
    min-height: 80vh;
  }
}

@media (max-width: 640px) {
  .feature-grid,
  .class-grid,
  .trainer-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .cta-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-footer {
    flex-direction: column;
  }
}