/* ==========================================================================
   JLGS Consulting: Design System
   Palette: Deep Ink, Warm Ivory, Bronze accent
   Display: "Source Serif 4" (editorial serif) / Body: "Inter"
   ========================================================================== */

:root {
  /* Palette: derived from current brand assets (ivory #e6ddce / #c8bdab family)
     deepened and refined for an editorial advisory tone. */
  --ink: #15140f;
  --ink-soft: #2a281f;
  --ivory: #f7f2e7;
  --ivory-deep: #efe8d8;
  --paper: #fbf8f1;
  --bronze: #6e5834;       /* AA-compliant on ivory/white for text & icons */
  --bronze-soft: #8a7246;  /* decorative only, not for body text */
  --bronze-line: #c8bdab;  /* hairlines, dividers; matches legacy brand tint */
  --line: rgba(21, 20, 15, 0.12);
  --line-on-dark: rgba(247, 242, 231, 0.16);

  --font-display: 'Source Serif 4', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max-width: 1240px;
  --gutter: clamp(1.5rem, 5vw, 5rem);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
  color: var(--ink);
}

h1 { font-size: clamp(2.6rem, 5.4vw, 4.6rem); font-weight: 500; }
h2 { font-size: clamp(2rem, 3.6vw, 3rem); }
h3 { font-size: clamp(1.4rem, 2.2vw, 1.85rem); }
h4 { font-size: 1.2rem; font-weight: 600; font-family: var(--font-body); text-transform: uppercase; letter-spacing: 0.08em; }

p { margin: 0 0 1.2em; }
p:last-child { margin-bottom: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 1.4em;
}
.eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--bronze);
  display: inline-block;
}

.lede {
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 54ch;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section {
  padding: clamp(4rem, 9vw, 8rem) 0;
}
.section--tight { padding: clamp(2.5rem, 5vw, 4.5rem) 0; }
.section--ink { background: var(--ink); color: var(--ivory); }
.section--ink h1, .section--ink h2, .section--ink h3, .section--ink h4 { color: var(--ivory); }
.section--ink .lede { color: rgba(247,242,231,0.78); }
.section--ivory-deep { background: var(--ivory-deep); }
.section--border-top { border-top: 1px solid var(--line); }

/* Quiet architectural texture: a faint duotone backdrop used sparingly on
   dark sections to add depth without competing with the commissioned
   photography elsewhere on the site. */
.section--texture {
  position: relative;
  background-image:
    linear-gradient(100deg, rgba(21,20,15,0.82) 0%, rgba(21,20,15,0.5) 42%, rgba(21,20,15,0.28) 100%),
    url('/static/img/towers-texture.webp');
  background-size: cover;
  background-position: center 35%;
  background-repeat: no-repeat;
}

/* Visually hidden (skip link target helper, a11y labels) */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -60px;
  background: var(--ink);
  color: var(--ivory);
  padding: 0.75rem 1.25rem;
  z-index: 1000;
  border-radius: 4px;
  transition: top 0.2s var(--ease);
}
.skip-link:focus {
  top: 1rem;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 248, 241, 0.92);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.1rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  color: var(--ink);
}
.brand img { height: 40px; width: auto; display: block; }
.brand:hover { opacity: 0.82; }

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.1rem, 2vw, 2.1rem);
}

.main-nav__list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: clamp(1.1rem, 2vw, 2rem);
}

.main-nav__link {
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink-soft);
  position: relative;
  padding: 0.3rem 0;
}
.main-nav__link::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--bronze);
  transition: right 0.3s var(--ease);
}
.main-nav__link:hover,
.main-nav__link[aria-current="page"] {
  color: var(--ink);
}
.main-nav__link:hover::after,
.main-nav__link[aria-current="page"]::after {
  right: 0;
}

.nav-login {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--bronze);
  border: 1px solid var(--bronze-line);
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.nav-login:hover {
  background: var(--ink);
  color: var(--ivory);
  border-color: var(--ink);
}
.nav-login svg { width: 12px; height: 12px; flex-shrink: 0; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--ink);
}
.nav-toggle svg { width: 24px; height: 24px; }

/* Mobile nav */
@media (max-width: 860px) {
  .main-nav {
    position: fixed;
    inset: 0;
    top: 0;
    background: var(--ink);
    color: var(--ivory);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 0 10vw;
    transform: translateY(-100%);
    transition: transform 0.4s var(--ease);
    z-index: 99;
  }
  .main-nav.is-open { transform: translateY(0); }
  .main-nav__list {
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
  }
  .main-nav__link { color: var(--ivory); font-size: 1.6rem; font-family: var(--font-display); }
  .main-nav__link::after { background: var(--bronze-soft); }
  .nav-login { color: var(--ivory); border-color: var(--line-on-dark); margin-top: 1rem; }
  .nav-login:hover { background: var(--ivory); color: var(--ink); }
  .nav-toggle { display: inline-flex; z-index: 101; }
  .nav-toggle.is-open { position: fixed; right: var(--gutter); top: 1.25rem; color: var(--ivory); }
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.95rem 1.9rem;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.2s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--ink);
  color: var(--ivory);
  border-color: var(--ink);
}
.btn--primary:hover { background: var(--bronze); border-color: var(--bronze); color: var(--ivory); }

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--bronze-line);
}
.btn--ghost:hover { border-color: var(--ink); }

.btn--on-dark {
  background: var(--ivory);
  color: var(--ink);
  border-color: var(--ivory);
}
.btn--on-dark:hover { background: var(--bronze-soft); border-color: var(--bronze-soft); color: var(--ink); }

.btn--ghost-on-dark {
  background: transparent;
  color: var(--ivory);
  border-color: var(--line-on-dark);
}
.btn--ghost-on-dark:hover { border-color: var(--ivory); }

.btn-arrow { transition: transform 0.25s var(--ease); }
.btn:hover .btn-arrow { transform: translateX(3px); }

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

.hero {
  padding: clamp(3.5rem, 8vw, 6.5rem) 0 0;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero__title {
  margin-bottom: 0.6em;
}

.hero__title .accent { color: var(--bronze); font-style: italic; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.2rem;
}

.hero__meta {
  margin-top: 2.6rem;
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}
.hero__meta div {
  font-size: 0.85rem;
  color: var(--ink-soft);
  border-left: 1px solid var(--bronze-line);
  padding-left: 0.9rem;
}
.hero__meta strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--ink);
  font-weight: 500;
}

.hero__art {
  position: relative;
  border-radius: 2px;
  overflow: hidden;
}
.hero__art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16/11;
}
.hero__art-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 0.9rem 1.1rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ivory);
  background: linear-gradient(to top, rgba(21,20,15,0.65), transparent);
}

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__meta { gap: 1.6rem; }
}

/* ==========================================================================
   Marquee statement band
   ========================================================================== */

.statement {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.statement__inner {
  padding: clamp(3rem, 6vw, 4.5rem) 0;
  display: grid;
  grid-template-columns: minmax(160px, 260px) 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}
.statement__inner .eyebrow {
  margin-bottom: 0;
  margin-top: 0.4em;
}
.statement__text {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  line-height: 1.4;
  font-weight: 500;
  color: var(--ink);
  max-width: 46ch;
}
.statement__text .accent { color: var(--bronze); font-style: italic; }
@media (max-width: 760px) {
  .statement__inner { grid-template-columns: 1fr; }
  .statement__inner .eyebrow { margin-bottom: 1.2em; margin-top: 0; }
}

/* ==========================================================================
   Grid layouts: capability cards, pillars
   ========================================================================== */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.panel {
  background: var(--paper);
  padding: clamp(2rem, 3vw, 2.75rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background 0.3s var(--ease);
}
.panel:hover { background: var(--ivory); }
.panel__index {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--bronze);
}
.panel h3 { font-size: 1.35rem; margin-bottom: 0.3em; }
.panel p { color: var(--ink-soft); font-size: 0.98rem; margin-bottom: 0; }

/* ==========================================================================
   Numbered process / approach steps
   ========================================================================== */

.process {
  display: flex;
  flex-direction: column;
}
.process__step {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(2rem, 4vw, 3rem) 0;
  border-top: 1px solid var(--line);
}
.process__step:last-child { border-bottom: 1px solid var(--line); }
.process__num {
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--bronze-line);
  line-height: 1;
  font-weight: 600;
}
.process__body h3 { margin-bottom: 0.5rem; }
.process__body p { color: var(--ink-soft); max-width: 62ch; }
@media (max-width: 640px) {
  .process__step { grid-template-columns: 1fr; gap: 0.75rem; }
  .process__num { font-size: 1.8rem; }
}

/* ==========================================================================
   Quote / proof section
   ========================================================================== */

.proof {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
@media (max-width: 860px) { .proof { grid-template-columns: 1fr; } }

.proof blockquote {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  line-height: 1.45;
  font-style: italic;
  color: inherit;
}
.proof cite {
  display: block;
  margin-top: 1.5rem;
  font-style: normal;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--bronze);
}

.note-card {
  border: 1px solid var(--bronze-line);
  padding: 2rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.note-card strong { color: var(--ink); }

/* ==========================================================================
   Page intro (for interior pages)
   ========================================================================== */

.page-intro {
  padding: clamp(3rem, 7vw, 5rem) 0 clamp(2rem, 4vw, 3rem);
}
.page-intro__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: end;
}
@media (max-width: 860px) { .page-intro__grid { grid-template-columns: 1fr; } }
.page-intro__grid--center { align-items: center; }

/* ==========================================================================
   CTA band
   ========================================================================== */

.cta-band {
  text-align: center;
}
.cta-band h2 { max-width: 20ch; margin-left: auto; margin-right: auto; }
.cta-band .lede { margin-left: auto; margin-right: auto; text-align: center; }
.cta-band__actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}
.contact-detail__item {
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.contact-detail__item h4 { margin-bottom: 0.5rem; color: var(--bronze); }
.contact-detail__item a,
.contact-detail__item p { font-size: 1.05rem; color: var(--ink); }

.form-field {
  margin-bottom: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.form-field label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.form-field input,
.form-field textarea,
.form-field select {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--bronze-line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 2px;
  transition: border-color 0.25s var(--ease);
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--bronze);
  outline: none;
}
.form-field textarea { resize: vertical; min-height: 140px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

.form-disclosure {
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-top: 1rem;
}

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

.site-footer {
  background: var(--ink);
  color: rgba(247,242,231,0.82);
  padding: clamp(3rem, 6vw, 4.5rem) 0 2rem;
}
.site-footer a:hover { color: var(--ivory); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: clamp(2rem, 4vw, 3rem);
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line-on-dark);
}
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-brand {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}
.footer-brand img { height: 35px; width: auto; display: block; }
.footer-col h4 {
  color: var(--bronze-soft);
  font-size: 0.78rem;
  margin-bottom: 1rem;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.7rem; }
.footer-col a, .footer-col p { font-size: 0.92rem; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.75rem;
  font-size: 0.8rem;
  color: rgba(247,242,231,0.55);
}
.footer-bottom ul { display: flex; gap: 1.5rem; list-style: none; margin: 0; padding: 0; }

/* ==========================================================================
   Reveal-on-scroll micro interaction (progressive enhancement)
   ========================================================================== */

/* Content is always visible by default; no JS dependency, no risk of
   blank sections. [data-reveal] elements simply get a gentle one-time
   fade-up on first paint via CSS animation, staggered by nth-of-type. */
@keyframes reveal-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
[data-reveal] {
  animation: reveal-in 0.8s var(--ease) both;
}
[data-reveal]:nth-of-type(2) { animation-delay: 0.08s; }
[data-reveal]:nth-of-type(3) { animation-delay: 0.16s; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { animation: none; }
}

/* ==========================================================================
   404
   ========================================================================== */
.error-page {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 1.5rem;
}