/* ============================================
   K9MOTION — Design tokens
   ============================================ */
:root {
  --navy: #0A2647;
  --navy-deep: #061830;
  --lime: #9FE844;
  --lime-deep: #7FC72A;
  --warm-white: #FAFAF7;
  --charcoal: #1C1F26;
  --steel: #5B6675;
  --mist: #EEF1ED;
  --border-soft: rgba(10, 38, 71, 0.10);

  --font-display: "Archivo Expanded", "Archivo", sans-serif;
  --font-heading: "Archivo", sans-serif;
  --font-body: "Work Sans", sans-serif;

  --max-width: 1180px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 28px;

  --shadow-card: 0 1px 2px rgba(10,38,71,0.04), 0 8px 24px rgba(10,38,71,0.07);
}

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--charcoal);
  background: var(--warm-white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  margin: 0;
  letter-spacing: -0.01em;
}

p { margin: 0; }

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

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--lime);
  color: var(--navy-deep);
  padding: 10px 16px;
  font-weight: 700;
  z-index: 200;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
}

:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--lime);
  color: var(--navy-deep);
}
.btn-primary:hover { background: var(--lime-deep); }

.btn-ghost {
  background: transparent;
  color: var(--warm-white);
  border-color: rgba(250,250,247,0.4);
}
.btn-ghost:hover { border-color: var(--warm-white); }

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

.btn-block { width: 100%; }

/* ============================================
   HEADER / NAV
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 247, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.header-inner {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--navy);
}
.logo-mark { width: 30px; height: 30px; color: var(--navy); }
.logo-accent { color: var(--lime-deep); }

.main-nav {
  display: flex;
  gap: 32px;
}
.main-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--charcoal);
  position: relative;
  padding: 4px 0;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--lime);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}
.main-nav a:hover::after { transform: scaleX(1); }

.nav-cta { padding: 11px 22px; font-size: 0.9rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  background: var(--navy);
  color: var(--warm-white);
  overflow: hidden;
  padding: 96px 24px 0;
  min-height: 640px;
  display: flex;
  flex-direction: column;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 0%, rgba(159,232,68,0.16), transparent 60%),
    radial-gradient(ellipse 50% 40% at 0% 100%, rgba(159,232,68,0.08), transparent 60%);
}
.hero-inner {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  text-align: center;
  padding-bottom: 40px;
}
.eyebrow {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 18px;
}
.eyebrow--on-dark { color: var(--lime); }

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 1.04;
  font-weight: 700;
  max-width: 14ch;
  margin: 0 auto;
}
.hero-sub {
  margin: 26px auto 0;
  max-width: 540px;
  font-size: 1.1rem;
  color: rgba(250,250,247,0.78);
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero-stage {
  position: relative;
  flex: 1;
  min-height: 160px;
  color: var(--lime);
}
.gait-loop {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(700px, 100%);
  height: 160px;
}
.dog-rig {
  animation: dogRun 0.9s linear infinite;
}
@keyframes dogRun {
  0%   { transform: translateX(0px); }
  100% { transform: translateX(420px); }
}
.dog-rig .leg-1 { animation: strideA 0.45s ease-in-out infinite; transform-origin: 58px 106px; }
.dog-rig .leg-3 { animation: strideA 0.45s ease-in-out infinite; transform-origin: 100px 108px; }
.dog-rig .leg-2 { animation: strideB 0.45s ease-in-out infinite; transform-origin: 78px 108px; }
.dog-rig .leg-4 { animation: strideB 0.45s ease-in-out infinite; transform-origin: 118px 106px; }
@keyframes strideA {
  0%, 100% { transform: rotate(18deg); }
  50% { transform: rotate(-18deg); }
}
@keyframes strideB {
  0%, 100% { transform: rotate(-18deg); }
  50% { transform: rotate(18deg); }
}
.dog-rig .dog-body { animation: bob 0.45s ease-in-out infinite; }
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

/* ============================================
   TRUST STRIP
   ============================================ */
.trust-strip {
  background: var(--mist);
  padding: 18px 24px;
}
.trust-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 0.92rem;
  color: var(--steel);
}
.trust-inner strong { color: var(--navy); }
.divider {
  width: 1px;
  height: 14px;
  background: var(--border-soft);
}

/* ============================================
   SECTION HEAD
   ============================================ */
.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
  padding: 0 24px;
}
.section-head--light .eyebrow,
.section-head--light h2,
.section-head--light .section-sub {
  color: var(--warm-white);
}
.section-head--light .section-sub { color: rgba(250,250,247,0.7); }

.section-head h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  margin: 6px 0 16px;
  color: var(--navy);
}
.section-sub {
  color: var(--steel);
  font-size: 1.05rem;
}

/* ============================================
   SERVICES
   ============================================ */
.services {
  padding: 100px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--warm-white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(10,38,71,0.12);
}
.service-card--feature {
  background: var(--navy);
  color: var(--warm-white);
  grid-column: span 1;
}
.service-card--feature .service-icon { color: var(--lime); }
.service-card--feature p { color: rgba(250,250,247,0.75); }

.service-icon {
  width: 44px; height: 44px;
  color: var(--lime-deep);
  margin-bottom: 18px;
}
.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.service-card p {
  color: var(--steel);
  font-size: 0.95rem;
}

/* ============================================
   HOW IT WORKS — gait cycle
   ============================================ */
.how-it-works {
  background: var(--navy-deep);
  padding: 100px 24px;
}
.gait-steps {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
}
.gait-steps::before {
  content: "";
  position: absolute;
  top: 13px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(159,232,68,0.4), transparent);
}
.gait-step {
  padding: 0 28px;
  position: relative;
}
.gait-step:not(:first-child) {
  border-left: 1px solid rgba(250,250,247,0.12);
}
.gait-phase {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy-deep);
  background: var(--lime);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.gait-step h3 {
  color: var(--warm-white);
  font-size: 1.3rem;
  margin-bottom: 12px;
}
.gait-step p {
  color: rgba(250,250,247,0.68);
  font-size: 0.97rem;
}

/* ============================================
   STUDIO
   ============================================ */
.studio {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 100px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.studio-illustration { width: 100%; height: auto; }
.studio-copy h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  color: var(--navy);
  margin: 6px 0 18px;
}
.studio-copy p {
  color: var(--steel);
  font-size: 1.05rem;
  margin-bottom: 24px;
}
.studio-list {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.studio-list li {
  position: relative;
  padding-left: 26px;
  font-weight: 600;
  color: var(--charcoal);
  font-size: 0.96rem;
}
.studio-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 6px;
  width: 14px; height: 14px;
  background: var(--lime);
  border-radius: 4px;
}

/* ============================================
   MEMBERSHIPS
   ============================================ */
.memberships {
  background: var(--mist);
  padding: 100px 24px;
}
.plan-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.plan-card {
  background: var(--warm-white);
  border-radius: var(--radius-md);
  padding: 36px 30px;
  text-align: center;
  box-shadow: var(--shadow-card);
  position: relative;
  border: 1px solid var(--border-soft);
}
.plan-card--highlight {
  background: var(--navy);
  color: var(--warm-white);
  transform: scale(1.03);
  box-shadow: 0 16px 40px rgba(10,38,71,0.22);
}
.plan-card--highlight .plan-tagline,
.plan-card--highlight .plan-detail { color: rgba(250,250,247,0.75); }
.plan-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--lime);
  color: var(--navy-deep);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
}
.plan-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 10px;
}
.plan-tagline {
  font-weight: 600;
  color: var(--steel);
  margin-bottom: 16px;
}
.plan-detail {
  font-size: 0.9rem;
  color: var(--steel);
  margin-bottom: 28px;
  line-height: 1.6;
}

/* ============================================
   FRANCHISE CTA
   ============================================ */
.franchise {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-deep) 100%);
  padding: 100px 24px;
  text-align: center;
}
.franchise-inner {
  max-width: 620px;
  margin: 0 auto;
}
.franchise h2 {
  color: var(--warm-white);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  margin: 6px 0 18px;
}
.franchise p {
  color: rgba(250,250,247,0.75);
  font-size: 1.05rem;
  margin-bottom: 32px;
}

/* ============================================
   BOOK FORM
   ============================================ */
.book {
  max-width: 640px;
  margin: 0 auto;
  padding: 100px 24px;
}
.book-form {
  display: grid;
  gap: 18px;
}
.form-row {
  display: grid;
  gap: 6px;
}
.form-row--split {
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-row--split > div { display: grid; gap: 6px; }
label {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--navy);
}
input, select, textarea {
  font-family: var(--font-body);
  font-size: 0.97rem;
  padding: 12px 14px;
  border: 1.5px solid var(--border-soft);
  border-radius: var(--radius-sm);
  background: var(--warm-white);
  color: var(--charcoal);
}
input:focus, select:focus, textarea:focus {
  border-color: var(--lime-deep);
  outline: none;
}
textarea { resize: vertical; }
.form-status {
  text-align: center;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--navy);
  min-height: 1.2em;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--navy-deep);
  color: rgba(250,250,247,0.7);
  padding: 64px 24px 0;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .logo { color: var(--warm-white); margin-bottom: 10px; }
.footer-brand p { color: rgba(250,250,247,0.55); font-size: 0.92rem; }
.footer-col h4 {
  color: var(--warm-white);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col a, .footer-col p {
  display: block;
  margin-bottom: 10px;
  font-size: 0.92rem;
  color: rgba(250,250,247,0.65);
}
.footer-col a:hover { color: var(--lime); }
.footer-bottom {
  border-top: 1px solid rgba(250,250,247,0.12);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(250,250,247,0.45);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 920px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .gait-steps { grid-template-columns: 1fr; gap: 32px; }
  .gait-steps::before { display: none; }
  .gait-step:not(:first-child) { border-left: none; border-top: 1px solid rgba(250,250,247,0.12); padding-top: 32px; }
  .studio { grid-template-columns: 1fr; gap: 40px; }
  .plan-grid { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; }
  .plan-card--highlight { transform: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--warm-white);
    border-bottom: 1px solid var(--border-soft);
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 16px;
  }
  .main-nav a { padding: 12px 0; }
  .site-header.nav-open .main-nav { display: flex; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding-top: 80px; min-height: 560px; }
  .service-grid { grid-template-columns: 1fr; }
  .form-row--split { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .trust-inner { flex-direction: column; gap: 10px; }
  .divider { display: none; }
}