/* ==========================================================================
   Lincoln Chen Personal Training — stylesheet
   Tokens: Carbon / Charcoal / Bone / Ash / Ember / Hairline
   Signature device: 12deg diagonal cut, echoing a boxing-wrap edge.
   ========================================================================== */

:root {
  --carbon: #0E0F11;
  --charcoal: #1A1C1F;
  --charcoal-2: #202225;
  --bone: #F4F1EA;
  --ash: #9C9C97;
  --ember: #FF4421;
  --ember-dim: #C43014;
  --hairline: #2A2C30;

  --font-display: "Big Shoulders Display", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --cut: 8deg;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--carbon);
  color: var(--bone);
  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; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 0.98;
  margin: 0 0 0.4em;
}

h1 { font-size: clamp(2.1rem, 8.5vw, 5.6rem); overflow-wrap: break-word; }
h2 { font-size: clamp(1.7rem, 5.5vw, 3.2rem); overflow-wrap: break-word; }
h3 { font-size: clamp(1.3rem, 2.4vw, 1.6rem); }

p { margin: 0 0 1em; color: var(--ash); max-width: 60ch; }

.lede { font-size: 1.15rem; color: var(--bone); max-width: 52ch; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ember);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  margin-bottom: 1em;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--ember);
  display: inline-block;
}

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

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ember);
  color: var(--carbon);
  padding: 12px 18px;
  z-index: 999;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.skip-link:focus { left: 12px; top: 12px; }

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 3px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 15px 26px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}
.btn-primary {
  background: var(--ember);
  color: var(--carbon);
}
.btn-primary:hover { background: var(--bone); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--bone);
  border-color: var(--hairline);
}
.btn-ghost:hover { border-color: var(--ember); color: var(--ember); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(14, 15, 17, 0.97);
  border-bottom: 1px solid var(--hairline);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: var(--container);
  margin: 0 auto;
}
.wordmark {
  font-family: var(--font-display);
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.wordmark .mark {
  width: 12px; height: 28px;
  background: var(--ember);
  transform: skewX(-12deg);
  display: inline-block;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ash);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover, .nav-links a[aria-current="page"] {
  color: var(--bone);
  border-color: var(--ember);
}
.nav-cta { display: flex; align-items: center; gap: 22px; }
.nav-cta .btn { padding: 11px 20px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--hairline);
  color: var(--bone);
  width: 42px; height: 42px;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
}

@media (max-width: 880px) {
  .nav-wrap { padding: 14px 18px; }
  .wordmark { font-size: 1.2rem; gap: 8px; white-space: nowrap; }
  .wordmark .mark { width: 9px; height: 20px; }
  .nav-cta { gap: 10px; }
  .nav-cta .btn-primary { padding: 9px 14px; font-size: 0.72rem; }
  .nav-links {
    position: fixed;
    inset: 60px 0 0 0;
    background: var(--carbon);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 10px 24px 24px;
    transform: translateY(-110%);
    transition: transform 0.25s ease;
    border-bottom: 1px solid var(--hairline);
  }
  .nav-links.is-open { transform: translateY(0); }
  .nav-links li { width: 100%; border-bottom: 1px solid var(--hairline); }
  .nav-links a { display: block; padding: 16px 0; }
  .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: flex; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: flex-end;
  background: var(--carbon);
  overflow: hidden;
  border-bottom: 1px solid var(--hairline);
}
.hero-media {
  position: absolute;
  inset: 0;
}
.hero-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 20%;
  opacity: 0.55;
}
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(0deg, var(--carbon) 4%, rgba(14,15,17,0.45) 48%, rgba(14,15,17,0.75) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  padding: 80px 24px 64px;
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
}
.hero h1 { max-width: 16ch; }
.hero .lede { margin: 20px 0 32px; }

/* Page header (non-home) */
.page-header {
  padding: 150px 0 64px;
  border-bottom: 1px solid var(--hairline);
  background:
    linear-gradient(120deg, transparent 0%, transparent 62%, var(--charcoal) 62%, var(--charcoal) 100%);
}
.page-header h1 { max-width: 18ch; }
.page-header .lede { margin-top: 18px; }

/* ---------- Diagonal cut divider (signature element) ---------- */
.cut-divider {
  height: 90px;
  background: var(--ember);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}
.cut-divider.flip {
  clip-path: polygon(0 0, 100% 100%, 0 100%);
}
.cut-band {
  background: var(--ember);
  color: var(--carbon);
  padding: 56px 0;
  clip-path: polygon(0 26px, 100% 0, 100% calc(100% - 26px), 0 100%);
  margin: 6px 0;
}
.cut-band p { color: rgba(14,15,17,0.78); }
.cut-band h2 { color: var(--carbon); }

/* ---------- Sections ---------- */
section { padding: 96px 0; }
.section-tight { padding: 64px 0; }
.section-head { max-width: 64ch; margin-bottom: 52px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.bg-charcoal { background: var(--charcoal); }
.border-top { border-top: 1px solid var(--hairline); }
.border-bottom { border-bottom: 1px solid var(--hairline); }

/* ---------- Stat strip ---------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.stat {
  padding: 36px 24px;
  border-left: 1px solid var(--hairline);
  text-align: left;
}
.stat:first-child { border-left: none; }
.stat .num {
  font-family: var(--font-mono);
  font-size: 2.1rem;
  color: var(--ember);
  display: block;
}
.stat .label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ash);
}

/* ---------- Card grid ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
@media (max-width: 880px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--charcoal);
  border: 1px solid var(--hairline);
  padding: 34px 28px;
  position: relative;
}
.card .num-tag {
  font-family: var(--font-mono);
  color: var(--ember);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 18px;
}

.photo-card { padding: 0; overflow: hidden; }
.photo-card img { height: 280px; width: 100%; object-fit: cover; }
.photo-card .card-body { padding: 26px; }

/* ---------- Split / about ---------- */
.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 880px) { .split { grid-template-columns: 1fr; } }
.split-media { position: relative; }
.split-media img { width: 100%; height: 520px; object-fit: cover; }
.split-media::before {
  content: "";
  position: absolute;
  left: -14px; top: -14px;
  width: 64px; height: 64px;
  background: var(--ember);
  clip-path: polygon(0 0, 100% 0, 0 100%);
  z-index: 1;
}

/* ---------- Checklist ---------- */
.checklist { list-style: none; margin: 0 0 1.4em; padding: 0; }
.checklist li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--hairline);
  color: var(--bone);
  font-size: 0.95rem;
}
.checklist li::before {
  content: "";
  flex: 0 0 8px;
  height: 8px;
  margin-top: 7px;
  background: var(--ember);
  transform: rotate(45deg);
}
.checklist-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 40px;
}
@media (max-width: 880px) {
  .checklist-2col { grid-template-columns: 1fr; }
}

/* ---------- Pricing ---------- */
.price-card {
  background: var(--charcoal);
  border: 1px solid var(--hairline);
  padding: 38px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.price-card.is-featured {
  border-color: var(--ember);
  background: var(--charcoal-2);
  position: relative;
}
.price-card.is-featured .badge {
  position: absolute;
  top: -1px; right: -1px;
  background: var(--ember);
  color: var(--carbon);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 7px 12px;
}
.price-card .tier {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.82rem;
  color: var(--ash);
}
.price-card .amount {
  font-family: var(--font-display);
  font-size: 3.1rem;
  margin: 6px 0 22px;
  color: var(--bone);
}
.price-card .amount span {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--ash);
  text-transform: none;
  letter-spacing: 0;
}
.price-card .btn { margin-top: auto; }

/* ---------- FAQ ---------- */
.faq-item {
  border-bottom: 1px solid var(--hairline);
  padding: 26px 0;
}
.faq-item h3 { margin-bottom: 10px; }
.faq-item p { margin: 0; }

/* ---------- Contact ---------- */
.contact-card {
  background: var(--charcoal);
  border: 1px solid var(--hairline);
  padding: 44px;
}
.contact-email {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  color: var(--ember);
  word-break: break-word;
  display: inline-block;
  margin: 10px 0 4px;
}
.contact-email:hover { color: var(--bone); }
.info-row {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--hairline);
}
.info-row:first-of-type { border-top: none; }
.info-row .ico {
  font-family: var(--font-mono);
  color: var(--ember);
  flex: 0 0 auto;
}

/* ---------- CTA band ---------- */
.cta-band { text-align: center; }
.cta-band p { margin-left: auto; margin-right: auto; }
.cta-band h2 { max-width: 18ch; margin: 0 auto 18px; }
.cta-band .btn-row { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--hairline);
  padding: 56px 0 28px;
  background: var(--carbon);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; gap: 30px; } }
.footer-grid h4 {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ash);
  margin-bottom: 16px;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a:hover { color: var(--ember); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ash);
}

/* ---------- Utility ---------- */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }
.center-col { max-width: 760px; margin: 0 auto; }

@media (max-width: 600px) {
  section { padding: 64px 0; }
  .hero { min-height: 78vh; }
  .page-header { padding: 130px 0 48px; background: var(--charcoal); }
  .contact-card { padding: 28px; }
}