/* ==========================================================================
   Walker Wood Management Solutions — Design Tokens
   Concept: authoritative, precise, trustworthy. Navy neutrals + brand green accent.
   ========================================================================== */

:root,
[data-theme='light'] {
  /* Surfaces — cool, quiet neutrals */
  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-surface-2: #fbfbfc;
  --color-surface-offset: #edeff3;
  --color-surface-offset-2: #e4e7ec;
  --color-surface-dynamic: #dadfe6;
  --color-divider: #e2e5ea;
  --color-border: #d2d7de;

  /* Text — deep navy-black */
  --color-text: #10182a;
  --color-text-muted: #5a6373;
  --color-text-faint: #99a1ac;
  --color-text-inverse: #f5f6f8;

  /* Primary accent — brand green (from logo), used for CTAs & emphasis only */
  --color-primary: #388254;
  --color-primary-hover: #32734a;
  --color-primary-active: #2b6440;
  --color-primary-highlight: #e3f0e7;

  /* Deep navy — secondary structural tone (header, footer, hero) */
  --color-ink: #10182a;
  --color-ink-2: #182338;
  --color-ink-border: #2a3550;
  --color-ink-text: #e9ebf0;
  --color-ink-text-muted: #a3aabb;

  /* Status (minimal use) */
  --color-success: #3f7a45;
  --color-error: #a13333;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows — tone-matched to cool navy surfaces */
  --shadow-sm: 0 1px 2px oklch(0.15 0.02 260 / 0.08);
  --shadow-md: 0 8px 24px oklch(0.15 0.02 260 / 0.1);
  --shadow-lg: 0 20px 48px oklch(0.15 0.02 260 / 0.16);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 980px;
  --content-wide: 1220px;
  --content-full: 100%;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Georgia', serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;
}

[data-theme='dark'] {
  --color-bg: #0b0e16;
  --color-surface: #10141e;
  --color-surface-2: #141925;
  --color-surface-offset: #171d2b;
  --color-surface-offset-2: #1c2333;
  --color-surface-dynamic: #232b3d;
  --color-divider: #212838;
  --color-border: #2a3245;

  --color-text: #e7e9ee;
  --color-text-muted: #9aa2b0;
  --color-text-faint: #5f677a;
  --color-text-inverse: #10141e;

  --color-primary: #5cbf85;
  --color-primary-hover: #78cd9b;
  --color-primary-active: #94dab1;
  --color-primary-highlight: #1a2c22;

  --color-ink: #05070c;
  --color-ink-2: #0a0d15;
  --color-ink-border: #1c2333;
  --color-ink-text: #e7e9ee;
  --color-ink-text-muted: #8b93a4;

  --color-success: #6ea973;
  --color-error: #cf7070;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.4);
  --shadow-md: 0 8px 24px oklch(0 0 0 / 0.45);
  --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.55);
}

/* ==========================================================================
   Type Scale
   ========================================================================== */

:root {
  --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, 1.3rem + 2.25vw, 3.25rem);

  --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;
}

/* ==========================================================================
   Layout Primitives
   ========================================================================== */

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

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--narrow {
  max-width: var(--content-narrow);
}

section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
  transition:
    transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header--hidden {
  transform: translateY(-100%);
}

.site-header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: var(--space-2);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 200;
}
.skip-link:focus {
  left: var(--space-4);
}

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

.main-nav__links {
  display: flex;
  gap: var(--space-6);
}

.main-nav__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.01em;
  padding-block: var(--space-2);
  border-bottom: 1px solid transparent;
}

.main-nav__links a:hover,
.main-nav__links a:focus-visible {
  color: var(--color-text);
  border-bottom-color: var(--color-primary);
}

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

.nav-toggle {
  display: none;
}

/* ==========================================================================
   Logo + Hover-to-Reveal Contact Card
   ========================================================================== */

.logo-contact {
  position: relative;
}

.logo-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
}

.logo-mark {
  position: relative;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: block;
}

.logo-mark__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity var(--transition-interactive), transform var(--transition-interactive);
}

.logo-mark__img--light {
  opacity: 0;
}

[data-theme='dark'] .logo-mark__img--color {
  opacity: 0;
}

[data-theme='dark'] .logo-mark__img--light {
  opacity: 1;
}

.logo-mark__img--footer {
  position: static;
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-btn__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  text-align: left;
}

.logo-btn__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.01em;
  color: var(--color-text);
}

.logo-btn__sub {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.logo-btn:hover .logo-mark,
.logo-btn:focus-visible .logo-mark {
  transform: scale(1.05);
}

.contact-card {
  position: absolute;
  top: calc(100% + var(--space-3));
  left: 0;
  min-width: 280px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition:
    opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0.2s;
  z-index: 150;
}

.logo-contact:hover .contact-card,
.logo-contact:focus-within .contact-card,
.contact-card--open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.contact-card__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}

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

.contact-card__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.contact-card__item svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.contact-card__item a,
.contact-card__item span {
  font-size: var(--text-sm);
  color: var(--color-text);
}

.contact-card__item a:hover {
  color: var(--color-primary);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff8ea;
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-primary-hover);
}
.btn--primary:active {
  background: var(--color-primary-active);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.theme-toggle:hover,
.theme-toggle:focus-visible {
  color: var(--color-primary);
  background: var(--color-surface-offset);
}
.theme-toggle svg {
  width: 20px;
  height: 20px;
}

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

.hero {
  position: relative;
  background: linear-gradient(180deg, var(--color-ink) 0%, var(--color-ink-2) 100%);
  color: var(--color-ink-text);
  padding-block: clamp(var(--space-24), 12vw, var(--space-32)) clamp(var(--space-16), 8vw, var(--space-24));
  overflow: hidden;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-16);
  align-items: center;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

.hero__eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.01em;
  max-width: 18ch;
  margin-bottom: var(--space-6);
}

.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}

.hero__lede {
  font-size: var(--text-lg);
  color: var(--color-ink-text-muted);
  max-width: 46ch;
  margin-bottom: var(--space-8);
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.hero .btn--ghost {
  border-color: var(--color-ink-border);
  color: var(--color-ink-text);
}
.hero .btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.hero__stats {
  display: flex;
  gap: var(--space-10);
  border-top: 1px solid var(--color-ink-border);
  padding-top: var(--space-6);
}

.hero__stat-figure {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  display: block;
}

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

.hero__graphic {
  position: relative;
}

.hero__graphic svg {
  width: 100%;
  height: auto;
}

.hero__graphic-caption {
  margin: var(--space-3) 0 0;
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-ink-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ==========================================================================
   Section headings
   ========================================================================== */

.section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: end;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.section-head__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-3);
  display: block;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  max-width: 22ch;
}

.section-head p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  max-width: 40ch;
  justify-self: end;
  text-align: left;
}

/* ==========================================================================
   Services — asymmetric list, not a 3-col icon grid
   ========================================================================== */

.services {
  background: var(--color-surface);
}

.service-list {
  display: flex;
  flex-direction: column;
}

.service-row {
  display: grid;
  grid-template-columns: 100px 1fr 1.1fr;
  gap: var(--space-10);
  padding-block: var(--space-10);
  border-top: 1px solid var(--color-divider);
  align-items: start;
}

.service-row:last-child {
  border-bottom: 1px solid var(--color-divider);
}

.service-row__index {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text-faint);
}

.service-row h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  max-width: 20ch;
}

.service-row p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

.service-row__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.service-row__tags span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
}

/* ==========================================================================
   About / Approach — asymmetric two column
   ========================================================================== */

.about {
  background: var(--color-surface-offset);
}

.about__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-16);
  align-items: start;
}

.about__portrait {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid #e2e5ea;
  background: #f7f8fa;
  aspect-ratio: 4 / 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  padding: var(--space-10);
  box-shadow: var(--shadow-lg);
}

.about__logo-img {
  width: 100%;
  max-width: 260px;
  height: auto;
}

.about__portrait-caption {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.about__portrait-est {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  color: #10182a;
}

.about__portrait-loc {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #5a6373;
}

.about__credentials {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.about__credentials li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-5);
  position: relative;
}

.about__credentials li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 1px;
  background: var(--color-primary);
}

.about__content .eyebrow {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-3);
  display: block;
}

.about__content h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-6);
  max-width: 22ch;
}

.about__content p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  font-size: var(--text-base);
}

.about__pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.about__pillars strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.about__pillars span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.contact {
  background: var(--color-ink);
  color: var(--color-ink-text);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.contact h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-6);
  max-width: 20ch;
}

.contact p {
  color: var(--color-ink-text-muted);
  margin-bottom: var(--space-8);
  font-size: var(--text-base);
}

.contact__methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-8);
  background: var(--color-ink-2);
  border: 1px solid var(--color-ink-border);
  border-radius: var(--radius-lg);
}

.contact__method {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact__method svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.contact__method-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-ink-text-muted);
  margin-bottom: var(--space-1);
}

.contact__method a,
.contact__method span.value {
  font-size: var(--text-base);
  color: var(--color-ink-text);
  font-weight: 500;
}

.contact__method a:hover {
  color: var(--color-primary);
}

.contact__note {
  font-size: var(--text-xs);
  color: var(--color-ink-text-muted);
  margin-top: var(--space-2);
}

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

.site-footer {
  background: var(--color-ink);
  color: var(--color-ink-text-muted);
  border-top: 1px solid var(--color-ink-border);
  padding-block: var(--space-10);
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}

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

.footer-row__brand svg {
  width: 28px;
  height: 28px;
  color: var(--color-ink-text-muted);
}

.logo-mark__img--footer {
  opacity: 0.92;
}

.footer-row__brand span {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-ink-text);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
  font-size: var(--text-xs);
}

.footer-links a {
  color: var(--color-ink-text-muted);
}
.footer-links a:hover {
  color: var(--color-primary);
}

.footer-legal {
  font-size: var(--text-xs);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-ink-border);
}

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

@media (max-width: 860px) {
  .main-nav__links {
    display: none;
  }
  .header-actions .btn--primary {
    display: none;
  }
  .main-nav.is-open .main-nav__links a:last-child {
    margin-bottom: 0;
  }
  .main-nav.is-open .main-nav__links::after {
    content: '';
  }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-text);
  }
  .nav-toggle svg {
    width: 22px;
    height: 22px;
  }
  .main-nav.is-open .main-nav__links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-6);
    gap: var(--space-4);
    box-shadow: var(--shadow-md);
  }
  .main-nav__links a {
    font-size: var(--text-base);
  }
  .main-nav__cta {
    display: inline-flex !important;
    margin-top: var(--space-2);
  }

  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
  .hero__graphic {
    order: -1;
    max-width: 320px;
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  .section-head p {
    justify-self: start;
  }

  .service-row {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  .service-row__index {
    font-size: var(--text-lg);
  }

  .about__grid,
  .contact__grid {
    grid-template-columns: 1fr;
  }
  .about__pillars {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .contact-card {
    left: 0;
    right: auto;
    min-width: 260px;
    max-width: calc(100vw - var(--space-8));
  }

  .footer-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .hero__stats {
    flex-direction: column;
    gap: var(--space-4);
  }
  .logo-btn__sub {
    display: none;
  }
  .logo-btn svg {
    width: 34px;
    height: 34px;
  }
}