/* ---- style.css ---- */
/* ============================================================
   ArdenKell | Design System
   Dark-first, minimal, boardroom-grade
   ============================================================ */

/* === TOKENS === */
:root {
  /* Type scale (fluid) */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* Spacing (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Transitions */
  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-max: 1120px;

  /* Fonts */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Switzer', 'Helvetica Neue', sans-serif;
}

/* === DARK PALETTE (primary) === */
[data-theme="dark"],
:root {
  --color-bg:            #0b0a09;
  --color-surface:       #111010;
  --color-surface-2:     #161514;
  --color-border:        #252320;
  --color-divider:       #1e1d1b;

  --color-text:          #d8d6d2;
  --color-text-muted:    #6b6a67;
  --color-text-faint:    #3a3937;
  --color-text-inverse:  #0b0a09;

  /* Antique Gold | warm, restrained */
  --color-accent:        #bda782;
  --color-accent-hover:  #cebda0;
  --color-accent-muted:  #2a2520;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.5);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.6);
}

/* === LIGHT PALETTE === */
[data-theme="light"] {
  --color-bg:            #f6f5f2;
  --color-surface:       #f9f8f5;
  --color-surface-2:     #ffffff;
  --color-border:        #dddbd5;
  --color-divider:       #e8e6e1;

  --color-text:          #1a1916;
  --color-text-muted:    #7a7872;
  --color-text-faint:    #b8b6b0;
  --color-text-inverse:  #f6f5f2;

  --color-accent:        #a08660;
  --color-accent-hover:  #8a7050;
  --color-accent-muted:  #ede8e0;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.07);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.08);
}

/* === BASE === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
ul { list-style: none; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-wrap: balance;
  line-height: 1.1;
}

p { text-wrap: pretty; }

::selection {
  background: var(--color-accent-muted);
  color: var(--color-text);
}

:focus-visible {
  outline: 1px solid var(--color-accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* === NAVIGATION === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 90%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.site-header.scrolled {
  border-bottom-color: var(--color-border);
}

.nav-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-5) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.logo {
  display: flex;
  align-items: center;
  color: var(--color-text);
  transition: color var(--transition);
  flex-shrink: 0;
}

.logo:hover { color: var(--color-accent); }

.logo-wordmark {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: currentColor;
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links a {
  font-size: var(--text-xs);
  font-family: var(--font-body);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.nav-links a:hover { color: var(--color-text); }

.nav-links .nav-cta {
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-5);
  letter-spacing: 0.08em;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.nav-links .nav-cta:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
  background: transparent;
}

/* === THEME TOGGLE === */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  flex-shrink: 0;
  transition: color var(--transition), border-color var(--transition);
}

.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.nav-mobile-toggle span {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: var(--space-6) var(--space-8) var(--space-8);
  gap: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  font-size: var(--text-sm);
  font-family: var(--font-body);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* === HERO === */
.hero {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: 0 var(--space-8);
  padding-top: 72px; /* nav height | content starts right below nav */
  padding-bottom: 0;
  max-width: var(--content-max);
  margin: 0 auto;
  gap: 0;
}

.hero-content {
  max-width: 820px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 300;
  line-height: 1.05;
  color: var(--color-text);
  margin-bottom: var(--space-8);
}

.hero-headline em,
.section-headline em {
  font-style: italic;
  color: var(--color-text-muted);
}

.hero-sub {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: var(--space-10);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #0b0a09;
  background: var(--color-accent);
  padding: var(--space-3) var(--space-8);
  border: 1px solid var(--color-accent);
  transition: background var(--transition), color var(--transition);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #0b0a09;
}

[data-theme="light"] .btn-primary {
  background: #0b0a09;
  border-color: #0b0a09;
  color: #f6f5f2;
}

[data-theme="light"] .btn-primary:hover {
  background: #2a2826;
  border-color: #2a2826;
  color: #f6f5f2;
}

[data-theme="light"] .nav-links .nav-cta {
  color: #0b0a09;
  border-color: #0b0a09;
  background: transparent;
}

[data-theme="light"] .nav-links .nav-cta:hover {
  background: #0b0a09;
  color: #f6f5f2;
  border-color: #0b0a09;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.btn-ghost:hover { color: var(--color-text); }

.hero-rule {
  height: 1px;
  background: var(--color-border);
  margin: 0;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-8) 0 var(--space-10);
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stat-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--color-text);
  line-height: 1;
}

.stat-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--color-border);
  flex-shrink: 0;
}

/* === SECTIONS | shared === */
.section {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  border-top: 1px solid var(--color-border);
}

.container-split {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-8);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-12);
}

.split-label {
  padding-top: var(--space-2);
}

.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.section-headline {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--color-text);
  margin-bottom: var(--space-8);
  line-height: 1.1;
}

.section-intro {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 520px;
  margin-bottom: var(--space-10);
  line-height: 1.7;
}

/* === ABOUT === */
.body-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-bottom: var(--space-10);
}

.body-block p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 60ch;
}

.principles {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  border-left: 1px solid var(--color-border);
  padding-left: var(--space-6);
}

.principle {
  display: flex;
  gap: var(--space-3);
  align-items: baseline;
}

.principle-mark {
  display: inline-block;
  width: 14px;
  height: 1px;
  margin-top: 0.6em;
  background: var(--color-accent);
  flex-shrink: 0;
}

.principle p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.01em;
  max-width: none;
}

/* === IMAGE BAND === */
.image-band {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: clamp(var(--space-12), 6vw, var(--space-24));
}

.image-band-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.band-quote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-style: italic;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.4;
  display: block;
  max-width: 820px;
}

/* === SERVICES === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  margin-top: var(--space-2);
}

.service-card {
  background: var(--color-bg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: background var(--transition);
}

.service-card:hover {
  background: var(--color-surface);
}

.service-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
}

.service-index {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.1em;
  font-weight: 400;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
}

.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  flex: 1;
}

.service-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-2);
}

.service-tags span {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  border: 1px solid var(--color-border);
  padding: var(--space-1) var(--space-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* === INTELLIGENCE === */
.intel-items {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.intel-item {
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-divider);
  transition: background var(--transition);
}

.intel-item:first-child {
  padding-top: 0;
}

.intel-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
  margin-top: var(--space-2);
}

.intel-item h4 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  line-height: 1.2;
}

.intel-item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* === TESTIMONIALS CAROUSEL === */
.section-testimonials {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.testimonial-carousel {
  margin-top: var(--space-2);
  position: relative;
}

.testimonial-track {
  position: relative;
  display: grid;
}

.testimonial-slide {
  grid-area: 1 / 1;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-10);
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.testimonial-slide.active {
  opacity: 1;
  pointer-events: auto;
  position: relative;
}

/* Giant decorative opening mark */
.testimonial-slide::before {
  content: '\201C';
  font-family: var(--font-display);
  font-size: clamp(5rem, 10vw, 9rem);
  line-height: 0.75;
  color: var(--color-accent);
  opacity: 0.35;
  display: block;
  margin-bottom: calc(-1 * var(--space-6));
  pointer-events: none;
  user-select: none;
}

.testimonial-quote {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 0.8rem + 1.4vw, 2rem);
  font-style: italic;
  font-weight: 300;
  color: var(--color-text);
  line-height: 1.55;
  max-width: 68ch;
  letter-spacing: -0.01em;
}

.testimonial-attribution {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  max-width: 68ch;
}

.testimonial-name {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.testimonial-role {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

/* Controls row */
.testimonial-controls {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-top: var(--space-10);
}

.tc-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  transition: color var(--transition), border-color var(--transition);
  flex-shrink: 0;
}

.tc-arrow:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.tc-dots {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.tc-dot {
  width: 20px;
  height: 1px;
  background: var(--color-border);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background var(--transition), width var(--transition);
}

.tc-dot.active {
  background: var(--color-accent);
  width: 36px;
}

/* === CONTACT === */
.section-contact {
  background: var(--color-surface);
}

.contact-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-8);
  max-width: 760px;
}

.contact-eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
}

.contact-headline {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--color-text);
  line-height: 1.1;
  margin-bottom: var(--space-6);
}

.contact-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
  line-height: 1.7;
  margin-bottom: var(--space-10);
}

.contact-actions {
  margin-bottom: var(--space-8);
}

.contact-locations {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.loc-sep { color: var(--color-accent); }

/* === FOUNDER === */
.founder {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-12, 3rem);
  align-items: start;
}

.founder-photo-wrap {
  width: 100%;
  aspect-ratio: 215 / 220;
  overflow: hidden;
  background: #2a2826;
}

[data-theme="light"] .founder-photo-wrap { background: #e8e6e1; }

.founder-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  filter: grayscale(30%) brightness(0.92);
  transition: filter var(--transition);
}

.founder:hover .founder-photo { filter: grayscale(0%) brightness(1); }

.founder-body .section-headline { margin-bottom: var(--space-2); }

.founder-title {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.founder-link {
  display: inline-block;
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-accent);
  text-decoration: none;
  letter-spacing: 0.04em;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.founder-link:hover { opacity: 0.75; }

@media (max-width: 900px) {
  .founder {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .founder-photo-wrap { max-width: 180px; }
}

/* === FOOTER === */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0;
}

.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-8);
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-tagline {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
}

.footer-right {
  text-align: right;
}

.footer-licence {
  font-family: var(--font-body);
  font-size: 0.625rem;
  letter-spacing: 0.04em;
  color: var(--color-text-faint);
  opacity: 0.8;
  margin-top: var(--space-2);
}

.footer-copy {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.6;
}

/* === FADE-IN ANIMATIONS === */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Fallback: if JS hasn't run, sections are still readable */
@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; }
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .container-split {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .split-label {
    padding-top: 0;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .nav-links {
    display: none;
  }

  .nav-mobile-toggle {
    display: flex;
  }

  .nav-inner {
    padding: var(--space-4) var(--space-5);
  }

  .hero {
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }

  .hero-headline {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
  }

  .hero-stats {
    gap: var(--space-6);
  }

  .stat-divider { display: none; }

  .section { padding-block: clamp(var(--space-12), 8vw, var(--space-20)); }

  .container-split,
  .image-band-inner,
  .contact-inner,
  .footer-inner {
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-5);
  }

  .footer-right { text-align: left; }

  .section-headline {
    font-size: clamp(1.8rem, 6vw, 3rem);
  }

  .band-quote {
    font-size: clamp(1.2rem, 4vw, 2rem);
  }

  .contact-headline {
    font-size: clamp(1.8rem, 6vw, 3rem);
  }
}

/* Launch tag */
.launch-tag {
  display: inline-block;
  margin-left: var(--space-3);
  padding: 2px 8px;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 500;
  font-style: normal;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1.6;
  vertical-align: middle;
  white-space: nowrap;
}
.launch-tag.card-launch { align-self: flex-start; margin: calc(-1 * var(--space-2)) 0 0 0; }

/* ---- motion.css ---- */
/* ArdenKell | motion layer */

/* Page load sequence */
.load {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 1.2s cubic-bezier(.22,1,.36,1), transform 1.4s cubic-bezier(.16,1,.3,1);
}
.load-down { transform: translateY(-10px); }
html.is-loaded .load { opacity: 1; transform: none; }

.hero-headline .line {
  display: block;
  overflow: hidden;
  padding: 0 .15em .14em 0;
  margin: 0 -.15em -.14em 0;
}
.hero-headline .line-inner {
  display: block;
  transform: translateY(112%);
  transition: transform 1.6s cubic-bezier(.16,1,.3,1);
}
html.is-loaded .hero-headline .line-inner { transform: none; }

.hero-rule {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.8s cubic-bezier(.65,0,.35,1) 950ms;
}
html.is-loaded .hero-rule { transform: none; }

.hero-stats .stat-divider {
  transform: scaleY(0);
  transition: transform 1s cubic-bezier(.65,0,.35,1) 1.5s;
}
html.is-loaded .hero-stats .stat-divider { transform: none; }

/* Scroll progress hairline */
.scroll-progress {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: var(--color-accent);
  opacity: .55;
  transform: scaleX(0);
  transform-origin: left;
  pointer-events: none;
  will-change: transform;
}

/* Refined scroll reveals */
.fade-up {
  filter: blur(5px);
  transition: opacity 1s cubic-bezier(.22,1,.36,1),
              transform 1.1s cubic-bezier(.16,1,.3,1),
              filter 1s cubic-bezier(.22,1,.36,1);
}
.fade-up.visible { filter: none; }
.service-card.fade-up {
  transition: opacity 1s cubic-bezier(.22,1,.36,1),
              transform 1.1s cubic-bezier(.16,1,.3,1),
              filter 1s cubic-bezier(.22,1,.36,1),
              background .5s ease;
}

/* Section rules draw in */
.section.reveal { border-top-color: transparent; position: relative; }
.section.reveal::before {
  content: '';
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 1px;
  background: var(--color-border);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.6s cubic-bezier(.65,0,.35,1);
}
.section.reveal.in-view::before { transform: none; }

/* Section labels settle their tracking */
.split-label.reveal .section-label {
  display: inline-block;
  opacity: 0;
  letter-spacing: .34em;
  transition: opacity 1.2s ease, letter-spacing 1.8s cubic-bezier(.16,1,.3,1);
}
.split-label.reveal.in-view .section-label { opacity: 1; letter-spacing: .16em; }

/* Principles */
.principles.reveal { border-left-color: transparent; position: relative; }
.principles.reveal::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px;
  background: var(--color-border);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 1.4s cubic-bezier(.65,0,.35,1) .2s;
}
.principles.reveal.in-view::before { transform: none; }
.principles.reveal .principle-mark {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .9s cubic-bezier(.16,1,.3,1);
}
.principles.reveal.in-view .principle-mark { transform: none; }
.principles.reveal .principle:nth-child(1) .principle-mark { transition-delay: .55s; }
.principles.reveal .principle:nth-child(2) .principle-mark { transition-delay: .7s; }
.principles.reveal .principle:nth-child(3) .principle-mark { transition-delay: .85s; }

/* Intelligence dots */
.intel-item .intel-dot {
  transform: scale(0);
  transition: transform .8s cubic-bezier(.34,1.56,.64,1) .35s;
}
.intel-item.visible .intel-dot { transform: none; }

/* Quote band */
.image-band { overflow: hidden; }
.band-text { will-change: transform; }

/* Founder portrait: develops like a print */
.founder-photo-wrap.reveal .founder-photo {
  opacity: 0;
  filter: grayscale(100%) brightness(.55) contrast(1.1) blur(6px);
  transform: scale(1.06);
  transition: opacity 1.6s cubic-bezier(.22,1,.36,1),
              filter 2.8s cubic-bezier(.22,1,.36,1),
              transform 3.2s cubic-bezier(.16,1,.3,1);
}
.founder-photo-wrap.reveal.in-view .founder-photo {
  opacity: 1;
  filter: grayscale(30%) brightness(.92) contrast(1) blur(0);
  transform: scale(1);
}
.founder:hover .founder-photo-wrap.reveal.in-view .founder-photo {
  filter: grayscale(0%) brightness(1) contrast(1) blur(0);
  transform: scale(1.015);
  transition: filter .9s ease, transform 1.6s cubic-bezier(.16,1,.3,1), opacity 1.6s ease;
}

/* Testimonials */
.testimonial-slide {
  transform: translateY(10px);
  filter: blur(3px);
  transition: opacity .9s cubic-bezier(.22,1,.36,1),
              transform 1.1s cubic-bezier(.16,1,.3,1),
              filter .9s cubic-bezier(.22,1,.36,1);
}
.testimonial-slide.active { transform: none; filter: none; transition-delay: .15s; }

.tc-dot { position: relative; overflow: hidden; }
.tc-dot.active { background: var(--color-border); }
.tc-dot.active::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent);
  transform-origin: left;
  animation: tcFill 5s linear forwards;
}
.testimonial-carousel.paused .tc-dot.active::after { animation-play-state: paused; }
@keyframes tcFill { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* Link details */
.nav-links a:not(.nav-cta) {
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat;
  transition: color var(--transition), background-size .6s cubic-bezier(.16,1,.3,1);
}
.nav-links a:not(.nav-cta):hover { background-size: 100% 1px; }

.arrow {
  display: inline-block;
  transition: transform .5s cubic-bezier(.16,1,.3,1);
}
.btn-ghost .arrow { margin-left: .3em; }
a:hover .arrow { transform: translateX(4px); }

/* Smooth theme change */
html.theme-transition,
html.theme-transition *,
html.theme-transition *::before,
html.theme-transition *::after {
  transition: background-color .6s ease, color .6s ease, border-color .6s ease, fill .6s ease !important;
}

@media (prefers-reduced-motion: reduce) {
  .load, .hero-headline .line-inner, .hero-rule, .hero-stats .stat-divider,
  .fade-up, .testimonial-slide, .founder-photo-wrap.reveal .founder-photo,
  .principles.reveal .principle-mark, .intel-item .intel-dot {
    opacity: 1 !important; transform: none !important; filter: none !important; clip-path: none !important;
  }
  .testimonial-slide:not(.active) { opacity: 0 !important; }
  .section.reveal::before, .principles.reveal::before { transform: none !important; }
  .split-label.reveal .section-label { opacity: 1 !important; letter-spacing: .16em !important; }
  .tc-dot.active::after { animation: none; transform: none; }
  .scroll-progress { display: none; }
}

/* ---- rhythm.css ---- */
/* ArdenKell | section rhythm (per-section light/dark) */
[data-surface] { background-color: var(--color-bg); color: var(--color-text); }
.image-band[data-surface], .section-contact[data-surface] { background-color: var(--color-surface); }
.image-band[data-surface][data-theme="light"] { background-color: #FAF7EE; }

/* Where the tone changes, the colour edge replaces the hairline */
[data-theme="dark"] + [data-theme="light"],
[data-theme="light"] + [data-theme="dark"] { border-top-color: transparent !important; }
[data-theme="dark"] + [data-theme="light"]::before,
[data-theme="light"] + [data-theme="dark"]::before { display: none; }
[data-theme="dark"]:has(+ [data-theme="light"]),
[data-theme="light"]:has(+ [data-theme="dark"]) { border-bottom-color: transparent !important; }
main:has(> [data-theme="light"]:last-child) + footer[data-theme="dark"],
main:has(> [data-theme="dark"]:last-child) + footer[data-theme="light"] { border-top-color: transparent; }

/* Header re-tones itself to the section beneath it */
.site-header { transition: background-color .5s ease, border-color .5s ease, color .5s ease; }
.site-header .logo-wordmark,
.site-header .theme-toggle,
.site-header .mobile-menu a { transition: color .5s ease; }
.site-header .nav-links a {
  transition: color .5s ease, border-color .5s ease, background-color .5s ease,
              background-size .6s cubic-bezier(.16,1,.3,1);
}
.site-header .nav-mobile-toggle span { transition: background-color .5s ease, transform var(--transition); }

/* ---- track.css ---- */
/* ArdenKell | Track record */
.tr-no { font-family: var(--font-body); font-size: var(--text-xs); letter-spacing: .14em; color: var(--color-accent); font-variant-numeric: tabular-nums; }
.tr-title { font-family: var(--font-display); font-weight: 400; font-size: var(--text-lg); line-height: 1.25; color: var(--color-text); transition: color .4s ease; text-wrap: pretty; }

/* Ledger */
.tr-ledger {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-10);
  height: 460px; overflow: hidden; margin-top: var(--space-12);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 16%, #000 84%, transparent);
  mask-image: linear-gradient(to bottom, transparent, #000 16%, #000 84%, transparent);
}
.tr-ledger-col { overflow: hidden; }
.tr-ledger-track { display: flex; flex-direction: column; animation: trUp 64s linear infinite; will-change: transform; }
.tr-col-2 .tr-ledger-track { animation-name: trDown; animation-duration: 78s; }
.tr-col-3 .tr-ledger-track { animation-duration: 56s; }
.tr-ledger:hover .tr-ledger-track { animation-play-state: paused; }
.tr-ledger-item { display: flex; flex-direction: column; gap: var(--space-1); padding: var(--space-5) 0; border-bottom: 1px solid var(--color-divider); }
.tr-ledger-item:hover .tr-title { color: var(--color-accent); }
@keyframes trUp { from { transform: translateY(0); } to { transform: translateY(-50%); } }
@keyframes trDown { from { transform: translateY(-50%); } to { transform: translateY(0); } }

/* Departures board */
.tr-board { margin-top: var(--space-12); border-top: 1px solid var(--color-border); }
.tr-board-head, .tr-board-row { display: grid; grid-template-columns: minmax(0, 1fr) 10rem 7.5rem; gap: var(--space-4); align-items: center; }
.tr-board-head { padding: var(--space-3) 0; font-size: var(--text-xs); letter-spacing: .16em; text-transform: uppercase; color: var(--color-text-muted); border-bottom: 1px solid var(--color-border); }
.tr-board-head span:last-child { text-align: right; }
.tr-board-row { min-height: 3.6rem; padding: var(--space-4) 0; border-bottom: 1px solid var(--color-divider); font-family: var(--font-body); font-size: var(--text-sm); letter-spacing: .1em; text-transform: uppercase; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tr-board-row > span { overflow: hidden; text-overflow: ellipsis; transition: color .5s ease; }
.tr-b-no { color: var(--color-accent); }
.tr-b-role { color: var(--color-text); }
.tr-b-mkt { color: var(--color-text-muted); }
.tr-b-status { display: flex; align-items: center; justify-content: flex-end; gap: .6em; color: var(--color-text-muted); font-size: var(--text-xs); letter-spacing: .16em; }
.tr-b-status::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--color-accent); flex-shrink: 0; }
.tr-board-row.is-flipping .tr-b-role { color: var(--color-accent); }
.tr-board-row.is-flipping .tr-b-status::before { animation: trBlink .6s steps(2, jump-none) 3; }
@keyframes trBlink { 0% { opacity: 1; } 100% { opacity: .15; } }

/* Function index */
.tr-index { margin-top: var(--space-12); }
.tr-tabs { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-8); border-bottom: 1px solid var(--color-border); }
.tr-tab { position: relative; padding: var(--space-3) 0; font-family: var(--font-body); font-size: var(--text-xs); letter-spacing: .16em; text-transform: uppercase; color: var(--color-text-muted); transition: color .3s ease; }
.tr-tab sup { margin-left: .5em; font-size: .85em; letter-spacing: 0; color: var(--color-accent); }
.tr-tab::after { content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: var(--color-accent); transform: scaleX(0); transform-origin: left; transition: transform .7s cubic-bezier(.16,1,.3,1); }
.tr-tab:hover, .tr-tab.active { color: var(--color-text); }
.tr-tab.active::after { transform: none; }
.tr-index-list { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--space-10); align-content: start; min-height: 22rem; }
.tr-index-item { display: grid; grid-template-columns: 2.5rem minmax(0, 1fr); align-items: baseline; gap: var(--space-3); padding: var(--space-4) 0; border-bottom: 1px solid var(--color-divider); }
.tr-index-item:hover .tr-title { color: var(--color-accent); }

/* Figures */
.tr-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-8); margin-top: var(--space-16); padding-top: var(--space-10); border-top: 1px solid var(--color-border); }
.tr-stat { display: flex; flex-direction: column; gap: var(--space-3); }
.tr-stat-num { font-family: var(--font-display); font-weight: 400; font-size: var(--text-3xl); line-height: 1; color: var(--color-text); font-variant-numeric: lining-nums tabular-nums; min-height: 1em; }
.tr-stat-label { font-size: var(--text-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--color-text-muted); }

.nav-links a { white-space: nowrap; }
@media (max-width: 1100px) {
  .nav-links { display: none; }
  .nav-mobile-toggle { display: flex; }
}

@media (max-width: 768px) {
  .tr-ledger { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-6); height: 400px; }
  .tr-col-3 { display: none; }
  .tr-board-head, .tr-board-row { grid-template-columns: minmax(0, 1fr); }
  .tr-board-head span:nth-child(n+2), .tr-board-row .tr-b-mkt, .tr-board-row .tr-b-status { display: none; }
  .tr-index-list { grid-template-columns: 1fr; min-height: 0; }
  .tr-stats { grid-template-columns: 1fr; gap: var(--space-8); }
}

@media (prefers-reduced-motion: reduce) {
  .tr-ledger-track { animation: none !important; }
  .tr-board-row.is-flipping .tr-b-status::before { animation: none; }
}


/* === LAUNCH v4 additions === */
.launch-note { margin-top: var(--space-8); font-family: var(--font-body); font-size: var(--text-xs); letter-spacing: .08em; text-transform: uppercase; color: var(--color-text-muted); }
.launch-note::before { content: ''; display: inline-block; width: 24px; height: 1px; background: var(--color-accent); vertical-align: middle; margin-right: var(--space-3); }

.contact-links { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3) var(--space-4); margin-bottom: var(--space-8); font-family: var(--font-body); font-size: var(--text-xs); letter-spacing: .12em; text-transform: uppercase; }
.contact-links a { color: var(--color-text-muted); text-decoration: none; border-bottom: 1px solid transparent; padding-bottom: 2px; transition: color var(--transition), border-color var(--transition); }
.contact-links a:hover { color: var(--color-text); border-bottom-color: var(--color-accent); }

.section-testimonials .testimonial-slide::before { font-size: clamp(4rem, 7vw, 6rem); margin-bottom: calc(-1 * var(--space-8)); }
.section-testimonials .testimonial-slide { gap: var(--space-8); }
.section-testimonials .testimonial-controls { margin-top: var(--space-8); }

@media (max-width: 768px) {
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-right { text-align: left; }
}

.footer-licence { margin-top: var(--space-2); color: var(--color-text-faint); opacity: 1; }