/* =============================================
   FITNESS PROFILE — Dark × Orange Theme
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

:root {
  --bg:        #0D0D0D;
  --surface:   #161616;
  --card:      #1C1C1C;
  --card-hover:#222222;
  --border:    rgba(255,255,255,0.08);
  --border-hi: rgba(255,255,255,0.15);
  --orange:    #FF6000;
  --orange-lt: #FF8533;
  --orange-dk: #CC4D00;
  --orange-gl: rgba(255,96,0,0.14);
  --orange-bd: rgba(255,96,0,0.30);
  --text:      #F2F2F2;
  --text-2:    #C0C0C0;
  --text-3:    #808080;
  --font: 'Inter','Noto Sans TC', system-ui, sans-serif;
  --r-sm: 6px; --r-md: 12px; --r-lg: 20px; --r-xl: 28px; --r-full: 9999px;
  --ease: cubic-bezier(0.16,1,0.3,1);
}

body { font-family: var(--font); background: var(--bg); color: var(--text); overflow-x: hidden; }
img  { display: block; max-width: 100%; }
a    { text-decoration: none; color: inherit; }

/* ── REVEAL ANIMATIONS ── */
.reveal-up {
  opacity: 0; transform: translateY(36px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal-up-delay {
  opacity: 0; transform: translateY(36px);
  transition: opacity 0.7s var(--ease) 0.15s, transform 0.7s var(--ease) 0.15s;
}
.reveal-up.visible, .reveal-up-delay.visible { opacity: 1; transform: translateY(0); }

/* =============================================
   NAV
   ============================================= */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 300;
  padding: 16px 5vw;
  display: flex; align-items: center;
  transition: background 0.3s, backdrop-filter 0.3s, padding 0.3s;
}
#nav.scrolled {
  background: rgba(13,13,13,0.95);
  backdrop-filter: blur(20px);
  padding: 10px 5vw;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  width: 100%; max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.nav-brand { display: flex; align-items: center; gap: 12px; }
.nav-logo-box {
  width: 42px; height: 42px; border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--orange-lt), var(--orange-dk));
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 0.9rem; color: #fff;
  box-shadow: 0 0 0 1px var(--orange-bd), 0 4px 14px rgba(255,96,0,0.3);
  flex-shrink: 0;
}
.nav-brand-name { font-size: 0.95rem; font-weight: 700; color: var(--text); }
.nav-brand-sub  { font-size: 0.68rem; color: var(--text-3); }
.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; }
.nav-links li a {
  padding: 7px 16px; border-radius: var(--r-full);
  font-size: 0.88rem; font-weight: 500; color: var(--text-2);
  transition: color 0.15s, background 0.15s;
}
.nav-links li a:hover { color: var(--text); background: rgba(255,255,255,0.06); }
.nav-cta {
  background: linear-gradient(135deg, var(--orange-lt), var(--orange)) !important;
  color: #fff !important; font-weight: 700 !important;
  box-shadow: 0 2px 14px rgba(255,96,0,0.35);
  transition: transform 0.15s, box-shadow 0.15s !important;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(255,96,0,0.5) !important; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  width: 40px; height: 40px; align-items: center; justify-content: center;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-sm);
  cursor: pointer;
}
.nav-toggle span {
  display: block; width: 18px; height: 1.5px;
  background: var(--text); border-radius: 2px;
  transition: transform 0.3s, opacity 0.2s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── MOBILE OVERLAY ── */
.mobile-overlay {
  position: fixed; inset: 0; z-index: 200;
  opacity: 0; pointer-events: none; transition: opacity 0.35s var(--ease);
}
.mobile-overlay.open { opacity: 1; pointer-events: all; }
.mobile-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.7); backdrop-filter: blur(4px); }
.mobile-panel {
  position: absolute; top: 0; right: 0;
  width: min(320px, 88vw); height: 100%;
  background: var(--surface); border-left: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 0;
  transform: translateX(100%); transition: transform 0.35s var(--ease);
}
.mobile-overlay.open .mobile-panel { transform: translateX(0); }
.mobile-panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--border);
}
.mobile-close {
  width: 36px; height: 36px; border-radius: var(--r-sm);
  background: var(--card); border: 1px solid var(--border);
  color: var(--text-2); font-size: 1.1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.mobile-nav { flex: 1; display: flex; flex-direction: column; gap: 4px; padding: 20px 16px; }
.mobile-link {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 18px; border-radius: var(--r-md);
  font-size: 1rem; font-weight: 600; color: var(--text-2);
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.mobile-link:hover { background: var(--orange-gl); border-color: var(--orange-bd); color: var(--orange-lt); }
.mobile-cta {
  margin: 0 16px 24px;
  display: flex; align-items: center; justify-content: center;
  padding: 16px; border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--orange-lt), var(--orange));
  color: #fff; font-weight: 700; font-size: 1rem;
  box-shadow: 0 4px 18px rgba(255,96,0,0.35);
}

/* =============================================
   SHARED
   ============================================= */
.section-container { max-width: 1200px; margin: 0 auto; padding: 100px 5vw; }
.section-header { margin-bottom: 60px; }
.section-eyebrow {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--orange); margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 4vw, 44px); font-weight: 800;
  line-height: 1.15; color: var(--text); letter-spacing: -0.02em; margin-bottom: 16px;
}
.section-sub { font-size: clamp(15px, 1.8vw, 17px); color: var(--text-2); line-height: 1.75; max-width: 560px; }

.btn-fire {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--r-full);
  background: linear-gradient(135deg, var(--orange-lt), var(--orange));
  color: #fff; font-weight: 700; font-size: 0.95rem;
  box-shadow: 0 4px 20px rgba(255,96,0,0.4);
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn-fire:hover { transform: translateY(-3px); box-shadow: 0 8px 32px rgba(255,96,0,0.55); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--r-full);
  border: 1px solid var(--border-hi); color: var(--text-2);
  font-weight: 600; font-size: 0.95rem;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.btn-ghost:hover { border-color: var(--orange-bd); color: var(--orange-lt); background: var(--orange-gl); }

/* =============================================
   HERO
   ============================================= */
#hero {
  min-height: 100svh; position: relative;
  display: flex; align-items: center; overflow: hidden;
  padding-top: 80px;
}
.hero-bg-img {
  position: absolute; inset: 0;
  background: url('assets/hero-bg.jpg') center/cover no-repeat;
  filter: brightness(0.22) saturate(0.6);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(13,13,13,0.92) 40%, rgba(13,13,13,0.6) 100%);
}
.hero-container {
  position: relative; z-index: 1;
  width: 100%; max-width: 1200px; margin: 0 auto; padding: 60px 5vw;
  display: grid; grid-template-columns: 1fr 420px; gap: 60px; align-items: center;
}
.hero-badge-row { margin-bottom: 24px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px; border-radius: var(--r-full);
  background: var(--orange-gl); border: 1px solid var(--orange-bd);
  font-size: 0.82rem; font-weight: 600; color: var(--orange-lt);
}
.hero-title {
  font-size: clamp(32px, 5vw, 64px); font-weight: 900; line-height: 1.1;
  letter-spacing: -0.025em; margin-bottom: 24px;
}
.hero-title-main  { display: block; color: var(--text); }
.hero-title-accent {
  display: block;
  background: linear-gradient(135deg, var(--orange-lt), var(--orange));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-desc { font-size: clamp(15px, 1.8vw, 18px); color: var(--text-2); line-height: 1.8; margin-bottom: 36px; }
.hero-cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 48px; }

.hero-stats-row { display: flex; align-items: center; gap: 0; }
.hero-stat { text-align: center; padding: 0 24px; }
.hero-stat:first-child { padding-left: 0; }
.hs-num { display: block; font-size: clamp(28px, 3.5vw, 40px); font-weight: 900; color: var(--orange-lt); line-height: 1; margin-bottom: 4px; }
.hs-num sup { font-size: 0.55em; }
.hs-label { font-size: 0.8rem; color: var(--text-3); font-weight: 500; }
.hero-stat-divider { width: 1px; height: 40px; background: var(--border); flex-shrink: 0; }

.hero-right { display: flex; justify-content: flex-end; }
.hero-photo-card {
  position: relative; width: 100%; max-width: 380px;
  border-radius: var(--r-xl); overflow: visible;
}
.hero-photo {
  width: 100%; aspect-ratio: 3/4; object-fit: cover; object-position: top center;
  border-radius: var(--r-xl);
  box-shadow: 0 30px 80px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,96,0,0.2);
}
.hero-cert-badge {
  position: absolute; bottom: -16px; left: -16px;
  background: var(--surface); border: 1px solid var(--orange-bd);
  border-radius: var(--r-md); padding: 14px 18px;
  display: flex; align-items: center; gap: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.cert-icon { font-size: 1.5rem; }
.cert-title { font-size: 0.85rem; font-weight: 700; color: var(--text); }
.cert-sub   { font-size: 0.72rem; color: var(--text-3); margin-top: 2px; }

/* =============================================
   SERVICES
   ============================================= */
#services { background: var(--surface); }
.services-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
.svc-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  cursor: default;
}
.svc-card:hover {
  border-color: var(--orange-bd); transform: translateY(-5px);
  box-shadow: 0 16px 48px rgba(255,96,0,0.12);
}
.svc-photo-wrap { width: 100%; height: 200px; overflow: hidden; }
.svc-photo {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.svc-card:hover .svc-photo { transform: scale(1.05); }
.svc-body { padding: 24px 26px 28px; }
.svc-title { font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.svc-desc  { font-size: 0.9rem; color: var(--text-2); line-height: 1.75; margin-bottom: 16px; }
.svc-tags  { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.svc-tag {
  padding: 4px 12px; border-radius: var(--r-full);
  background: rgba(255,96,0,0.10); border: 1px solid rgba(255,96,0,0.22);
  font-size: 0.75rem; font-weight: 600; color: var(--orange-lt);
}
.svc-price { font-size: 0.88rem; font-weight: 700; color: var(--orange); }

/* =============================================
   ABOUT
   ============================================= */
#about { background: var(--bg); }
.about-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center;
}
.about-photo-side { border-radius: var(--r-xl); overflow: hidden; }
.about-photo { width: 100%; aspect-ratio: 4/5; object-fit: cover; border-radius: var(--r-xl); }
.about-para { font-size: clamp(15px, 1.6vw, 17px); color: var(--text-2); line-height: 1.85; margin-bottom: 18px; }
.about-para strong { color: var(--orange-lt); font-weight: 700; }
.about-certs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.cert-chip {
  padding: 6px 16px; border-radius: var(--r-full);
  background: var(--surface); border: 1px solid var(--border);
  font-size: 0.8rem; font-weight: 600; color: var(--text-2);
}

/* =============================================
   RESULTS
   ============================================= */
#results { background: var(--surface); }
.results-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.result-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden;
  transition: border-color 0.25s, transform 0.25s;
}
.result-card:hover { border-color: var(--orange-bd); transform: translateY(-4px); }
.result-photo-wrap { width: 100%; height: 220px; overflow: hidden; position: relative; }
.result-photo { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.result-card:hover .result-photo { transform: scale(1.04); }
.result-badge {
  position: absolute; top: 14px; left: 14px;
  background: rgba(13,13,13,0.85); border: 1px solid var(--orange-bd);
  padding: 5px 12px; border-radius: var(--r-full);
  font-size: 0.75rem; font-weight: 700; color: var(--orange-lt);
  backdrop-filter: blur(8px);
}
.result-body { padding: 22px 24px 26px; }
.result-name { font-size: 0.8rem; font-weight: 600; color: var(--text-3); margin-bottom: 8px; }
.result-goal { font-size: 0.95rem; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.result-desc { font-size: 0.88rem; color: var(--text-2); line-height: 1.75; margin-bottom: 18px; }
.result-stats { display: flex; gap: 10px; }
.rs-chip {
  flex: 1; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 12px 10px; text-align: center;
}
.rs-num   { display: block; font-size: 1.1rem; font-weight: 800; color: var(--orange-lt); line-height: 1; margin-bottom: 4px; }
.rs-label { display: block; font-size: 0.72rem; color: var(--text-3); }

/* =============================================
   TESTIMONIALS
   ============================================= */
#testimonials { background: var(--bg); }
.testimonials-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.testi-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 32px;
  transition: border-color 0.25s;
}
.testi-card:hover { border-color: var(--orange-bd); }
.testi-stars { display: flex; gap: 4px; margin-bottom: 18px; }
.testi-star { color: var(--orange); font-size: 1rem; }
.testi-text {
  font-size: clamp(14px, 1.5vw, 16px); color: var(--text-2);
  line-height: 1.85; margin-bottom: 24px;
}
.testi-author { display: flex; align-items: center; gap: 14px; }
.testi-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--orange-dk), var(--orange));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.95rem; color: #fff; flex-shrink: 0;
}
.testi-name { font-weight: 700; color: var(--text); font-size: 0.9rem; }
.testi-meta { font-size: 0.78rem; color: var(--text-3); margin-top: 2px; }

/* =============================================
   CONTACT
   ============================================= */
#contact { background: var(--orange); }
.contact-wrap {
  max-width: 1200px; margin: 0 auto; padding: 80px 5vw;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.contact-title {
  font-size: clamp(28px, 4vw, 48px); font-weight: 900;
  color: #fff; line-height: 1.1; margin-bottom: 16px;
}
.contact-sub { font-size: clamp(15px, 1.7vw, 17px); color: rgba(255,255,255,0.85); line-height: 1.75; }
.contact-sub strong { color: #fff; }
.contact-methods { display: flex; flex-direction: column; gap: 14px; }
.contact-item {
  display: flex; align-items: center; gap: 16px;
  background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--r-md); padding: 16px 20px;
  transition: background 0.2s;
}
.contact-item:hover { background: rgba(255,255,255,0.25); }
.contact-item-icon { font-size: 1.4rem; }
.contact-item-label { font-size: 0.75rem; color: rgba(255,255,255,0.7); margin-bottom: 2px; }
.contact-item-value { font-size: 0.95rem; font-weight: 700; color: #fff; }
.contact-note {
  margin-top: 20px; padding: 14px 18px;
  background: rgba(0,0,0,0.15); border-radius: var(--r-md);
  font-size: 0.83rem; color: rgba(255,255,255,0.85); line-height: 1.6;
}

/* =============================================
   FOOTER
   ============================================= */
#footer {
  background: #080808; padding: 28px 5vw;
  text-align: center;
}
#footer p { font-size: 0.8rem; color: var(--text-3); }
.footer-sub { margin-top: 4px; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
  .hero-container  { grid-template-columns: 1fr; }
  .hero-right      { justify-content: center; }
  .hero-photo-card { max-width: 320px; }
  .about-inner     { grid-template-columns: 1fr; gap: 40px; }
  .services-grid, .results-grid, .testimonials-grid { grid-template-columns: 1fr; }
  .contact-wrap    { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .nav-links    { display: none; }
  .nav-toggle   { display: flex; }
  .hero-stats-row { gap: 0; }
  .hero-stat    { padding: 0 16px; }
  .hero-cta-row { flex-direction: column; }
  .btn-fire, .btn-ghost { justify-content: center; }
}