/* ==========================================================================
   Sage Consulting — styles
   Structure: tokens, base, layout, components, sections, motion, utilities
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --ivory:      #F5F1E8;
  --ivory-deep: #ECE6D8;
  --sage:       #9AA98B;
  --sage-deep:  #55684A;
  --moss:       #34402F;
  --charcoal:   #23262A;
  --stone:      #B9AD98;
  --umber:      #7A6650;

  --ink:        var(--charcoal);
  --ink-soft:   #4B4F52;
  --line:       rgba(35, 38, 42, .16);

  --font-display: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --font-body: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;

  --step--1: clamp(.84rem, .82rem + .1vw, .92rem);
  --step-0:  clamp(1rem, .97rem + .15vw, 1.1rem);
  --step-1:  clamp(1.2rem, 1.1rem + .5vw, 1.5rem);
  --step-2:  clamp(1.7rem, 1.3rem + 1.8vw, 2.7rem);
  --step-3:  clamp(2.2rem, 1.4rem + 3.6vw, 4.4rem);
  --step-4:  clamp(3.2rem, 1.6rem + 7vw, 8rem);
  --step-5:  clamp(3.2rem, 1rem + 8.4vw, 10rem);

  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --max: 82rem;
  --radius: 1.5rem;
  --ease: cubic-bezier(.22, .8, .24, 1);
  --header-h: 4.5rem;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open { overflow: hidden; }
html, body { overflow-x: clip; }

h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
address { font-style: normal; }
a { color: inherit; }
button { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--sage-deep);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: var(--sage); color: var(--charcoal); }

.skip-link {
  position: fixed; left: 1rem; top: -4rem; z-index: 100;
  background: var(--charcoal); color: var(--ivory);
  padding: .7rem 1.1rem; border-radius: 999px; text-decoration: none;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 1rem; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

/* ---------- Layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(5rem, 11vw, 10rem); position: relative; }

.display {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--step-4);
  line-height: .95;
  letter-spacing: -.02em;
}

.section-intro {
  font-size: var(--step-1);
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 34ch;
}

/* ---------- Buttons ---------- */
.btn {
  --pad-y: .95rem; --pad-x: 1.6rem;
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  padding: var(--pad-y) var(--pad-x);
  border-radius: 999px;
  border: 1.5px solid var(--charcoal);
  font-weight: 500; font-size: var(--step-0); line-height: 1;
  text-decoration: none; cursor: pointer;
  position: relative; overflow: hidden; isolation: isolate;
  transition: color .35s var(--ease), border-color .35s var(--ease), transform .35s var(--ease);
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  transform: translateY(101%); border-radius: inherit;
  transition: transform .45s var(--ease);
}
.btn:hover::before, .btn:focus-visible::before { transform: translateY(0); }
.btn:active { transform: scale(.98); }

.btn-solid { background: var(--charcoal); color: var(--ivory); }
.btn-solid::before { background: var(--sage-deep); }
.btn-solid:hover, .btn-solid:focus-visible { border-color: var(--sage-deep); }

.btn-ghost { background: transparent; color: var(--charcoal); }
.btn-ghost::before { background: var(--charcoal); }
.btn-ghost:hover, .btn-ghost:focus-visible { color: var(--ivory); }

.text-link {
  display: inline-flex; align-items: center; gap: .5rem;
  font-weight: 500; text-decoration: none;
  border-bottom: 1.5px solid currentColor; padding-bottom: .15rem;
}

.arrow {
  display: inline-block; width: 1.1em; height: 1px; background: currentColor;
  position: relative; transition: transform .35s var(--ease);
}
.arrow::after {
  content: ""; position: absolute; right: 0; top: -3px; width: 7px; height: 7px;
  border-top: 1px solid currentColor; border-right: 1px solid currentColor;
  transform: rotate(45deg);
}
a:hover > .arrow, .service-link:hover .arrow { transform: translateX(5px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: var(--header-h);
  transition: transform .45s var(--ease), background-color .3s, box-shadow .3s;
}
.site-header.is-scrolled {
  background: rgba(245, 241, 232, .86);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}
.site-header.is-hidden { transform: translateY(-100%); }

.header-inner {
  height: 100%; max-width: var(--max); margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}

.brand { display: inline-flex; align-items: center; gap: .65rem; text-decoration: none; color: var(--moss); }
.brand-name { font-family: var(--font-display); font-size: 1.65rem; line-height: 1; letter-spacing: -.01em; color: var(--charcoal); }
.brand-mark { transition: transform .8s var(--ease); }
.brand:hover .brand-mark { transform: rotate(120deg); }

.site-nav { display: flex; align-items: center; gap: 2.2rem; }
.site-nav ul { display: flex; gap: 2rem; }
.site-nav li a {
  text-decoration: none; font-weight: 500; font-size: var(--step--1);
  position: relative; padding-block: .4rem;
}
.site-nav li a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1.5px;
  background: var(--sage-deep); transform: scaleX(0); transform-origin: left;
  transition: transform .4s var(--ease);
}
.site-nav li a:hover::after, .site-nav li a[aria-current="true"]::after { transform: scaleX(1); }
.nav-cta { --pad-y: .7rem; --pad-x: 1.25rem; font-size: var(--step--1); }

.menu-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh; overflow: hidden;
  display: flex; align-items: flex-end;
  padding-top: calc(var(--header-h) + 3rem);
  background:
    radial-gradient(60rem 40rem at 85% 10%, rgba(154, 169, 139, .35), transparent 70%),
    var(--ivory);
}
.hero-art { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hero-art svg { position: absolute; width: min(120vh, 110vw); height: min(120vh, 110vw); right: -22%; top: 50%; translate: 0 -48%; overflow: visible; }

.hero-inner {
  position: relative; z-index: 1; width: 100%; max-width: var(--max);
  margin-inline: auto; padding: 0 var(--gutter) clamp(2rem, 5vw, 3.5rem);
}

.hero-title {
  font-family: var(--font-display); font-weight: 400;
  font-size: var(--step-5); line-height: .9; letter-spacing: -.035em;
}
.hero-title .line { display: block; overflow: hidden; padding-bottom: .08em; }
.hero-title .line > span { display: block; }
.hero-title .line-2 { color: var(--sage-deep); padding-left: clamp(0rem, 4vw, 4.5rem); }

.hero-lower {
  display: grid; grid-template-columns: minmax(0, 1fr); gap: 2rem;
  margin-top: clamp(2rem, 5vw, 4rem);
  max-width: 44rem; margin-left: clamp(0rem, 12vw, 14rem);
}
.hero-lede { font-size: var(--step-1); line-height: 1.5; max-width: 38ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.hero-place {
  margin-top: clamp(2.5rem, 6vw, 5rem); font-size: var(--step--1); color: var(--ink-soft);
  display: flex; align-items: center; gap: .8rem;
}
.hero-place::before { content: ""; width: 3rem; height: 1px; background: currentColor; }

/* ---------- About ---------- */
.about-grid {
  display: grid; gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: start;
}
.about-statement { grid-column: 1 / span 8; }
.statement {
  font-family: var(--font-display);
  font-size: var(--step-3); line-height: 1.05; letter-spacing: -.015em;
}
.plate {
  grid-column: 10 / span 3; grid-row: 1 / span 2; align-self: end;
  aspect-ratio: 320 / 420; border-radius: 12rem 12rem var(--radius) var(--radius);
  background: var(--ivory-deep); overflow: hidden; padding: 1.5rem 1rem 0;
}
.plate svg { width: 100%; height: 100%; }
.about-body { grid-column: 3 / span 6; display: grid; gap: 2.5rem; }
.about-lead { font-size: var(--step-1); line-height: 1.5; }

.principles { display: grid; gap: 0; border-top: 1px solid var(--line); }
.principles > div {
  display: grid; grid-template-columns: minmax(10rem, .8fr) 1.4fr; gap: 1.5rem;
  padding-block: 1.4rem; border-bottom: 1px solid var(--line);
}
.principles dt { font-family: var(--font-display); font-size: var(--step-2); line-height: 1.05; }
.principles dd { color: var(--ink-soft); }

/* ---------- Services ---------- */
.services { background: var(--ivory-deep); border-radius: 3rem 3rem 0 0; }
.section-head {
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 2rem;
  align-items: end; margin-bottom: clamp(2.5rem, 6vw, 5rem);
}
.section-head .display { grid-column: 1 / span 7; }
.section-head .section-intro { grid-column: 9 / span 4; }

.service-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 1.1rem; }
.s-a { grid-column: span 7; }
.s-b { grid-column: span 5; }
.s-c { grid-column: span 4; }
.s-d { grid-column: span 4; }
.s-e { grid-column: span 4; }
.s-f { grid-column: 4 / span 6; }
.s-b, .s-e { margin-top: clamp(0rem, 4vw, 3rem); }

.service { display: flex; }
.service-link {
  --bg: var(--ivory); --fg: var(--charcoal);
  display: flex; flex-direction: column; justify-content: space-between; gap: 2.5rem;
  width: 100%; min-height: 21rem; padding: clamp(1.5rem, 3vw, 2.4rem);
  background: var(--bg); color: var(--fg);
  border-radius: var(--radius); text-decoration: none;
  transition: background-color .5s var(--ease), color .5s var(--ease), transform .5s var(--ease);
}
.service-link:hover, .service-link:focus-visible { --bg: var(--moss); --fg: var(--ivory); transform: translateY(-6px); }
.s-b .service-link { --bg: #DFE3D3; }
.s-e .service-link { --bg: #E6DDCB; }
.s-b .service-link:hover, .s-b .service-link:focus-visible,
.s-e .service-link:hover, .s-e .service-link:focus-visible { --bg: var(--moss); }

.glyph { width: 3.6rem; height: 3.6rem; fill: none; stroke: var(--sage-deep); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; transition: stroke .5s var(--ease), transform .7s var(--ease); }
.service-link:hover .glyph, .service-link:focus-visible .glyph { stroke: var(--sage); transform: rotate(-8deg) scale(1.08); }

.service h3 { font-family: var(--font-display); font-weight: 400; font-size: var(--step-2); line-height: 1; letter-spacing: -.01em; margin-bottom: .8rem; max-width: 16ch; }
.service p { max-width: 36ch; opacity: .82; }
.service-cta { display: inline-flex; align-items: center; gap: .6rem; font-weight: 500; font-size: var(--step--1); }

/* ---------- Approach ---------- */
.approach {
  background: var(--charcoal); color: var(--ivory);
  border-radius: 3rem 3rem 0 0; margin-top: -3rem; padding-top: calc(clamp(5rem, 11vw, 10rem) + 3rem);
}
.approach .section-intro { color: rgba(245, 241, 232, .72); }
.approach-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 3rem; align-items: start; }
.approach-head { grid-column: 1 / span 5; position: sticky; top: calc(var(--header-h) + 2rem); display: grid; gap: 1.6rem; }
.approach .display { color: var(--ivory); }

.steps { grid-column: 7 / span 6; position: relative; padding-left: 2.8rem; display: grid; gap: clamp(3rem, 8vw, 6rem); }
.steps-rail { position: absolute; left: 0; top: .6rem; bottom: .6rem; width: 1.5px; background: rgba(245, 241, 232, .18); }
.steps-fill { position: absolute; inset: 0; background: var(--sage); transform: scaleY(var(--p, 0)); transform-origin: top; }
.step { counter-increment: step; position: relative; opacity: .38; transition: opacity .6s var(--ease); }
.step.is-active { opacity: 1; }
.step::before {
  content: ""; position: absolute; left: -2.8rem; top: .55rem; width: 11px; height: 11px;
  border-radius: 50%; translate: -4.7px 0; background: var(--charcoal); border: 1.5px solid rgba(245, 241, 232, .4);
  transition: background-color .5s var(--ease), border-color .5s var(--ease), scale .5s var(--ease);
}
.step.is-active::before { background: var(--sage); border-color: var(--sage); scale: 1.3; }
.step h3 { font-family: var(--font-display); font-weight: 400; font-size: var(--step-3); line-height: 1; letter-spacing: -.015em; margin-bottom: 1rem; }
.step h3::before { content: counter(step, decimal-leading-zero); display: block; font-family: var(--font-body); font-size: var(--step--1); font-weight: 500; color: var(--sage); margin-bottom: .7rem; letter-spacing: .02em; }
.step p { max-width: 42ch; color: rgba(245, 241, 232, .78); font-size: var(--step-1); line-height: 1.5; }

.steps-wrap { counter-reset: step; }

/* ---------- Contact ---------- */
.contact { background: var(--ivory); border-radius: 3rem 3rem 0 0; margin-top: -3rem; padding-top: calc(clamp(5rem, 11vw, 10rem) + 3rem); }
.contact-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.contact-info { grid-column: 1 / span 5; display: grid; gap: 1.8rem; justify-items: start; }
.contact .display { font-size: var(--step-4); }
.address { font-size: var(--step-1); line-height: 1.5; padding-left: 1.2rem; border-left: 2px solid var(--sage); }

.form { grid-column: 7 / span 6; display: grid; gap: 1.5rem; }
.field { display: grid; gap: .45rem; position: relative; }
.field label { font-weight: 500; font-size: var(--step--1); }
.field input, .field textarea {
  width: 100%; font: inherit; color: var(--ink); background: transparent;
  border: 0; border-bottom: 1.5px solid var(--line); border-radius: 0;
  padding: .7rem 0; transition: border-color .3s var(--ease);
}
.field textarea { resize: vertical; min-height: 8rem; }
.field input:hover, .field textarea:hover { border-color: var(--stone); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--sage-deep); box-shadow: 0 1.5px 0 var(--sage-deep); }
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: #9B3D2F; }
.error { color: #8A3427; font-size: var(--step--1); min-height: 1.2em; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1.2rem; }
.form-status { flex: 1 1 14rem; font-size: var(--step--1); color: var(--ink-soft); }
.form-status[data-state="error"] { color: #8A3427; }
.form-status[data-state="success"] { color: var(--sage-deep); }
.btn[disabled] { opacity: .55; cursor: progress; }

.map-wrap { margin-top: clamp(3.5rem, 8vw, 7rem); }
.map { border-radius: var(--radius); overflow: hidden; aspect-ratio: 16 / 7; min-height: 18rem; background: var(--ivory-deep); }
.map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.75) sepia(.12) contrast(.96); transition: filter .6s var(--ease); }
.map:hover iframe, .map:focus-within iframe { filter: none; }

/* ---------- Footer ---------- */
.site-footer { background: var(--charcoal); color: var(--ivory); padding-block: clamp(3.5rem, 7vw, 6rem) 2rem; margin-top: -3rem; border-radius: 3rem 3rem 0 0; position: relative; padding-top: clamp(5rem, 9vw, 8rem); }
.footer-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 2.5rem; align-items: start; }
.footer-brand { grid-column: 1 / span 5; }
.footer-name { font-family: var(--font-display); font-size: var(--step-3); line-height: 1; margin-bottom: 1rem; }
.footer-desc { max-width: 32ch; color: rgba(245, 241, 232, .72); }
.footer-grid nav { grid-column: 7 / span 2; }
.footer-links { display: grid; gap: .6rem; }
.footer-links a { text-decoration: none; color: rgba(245, 241, 232, .85); }
.footer-links a:hover { color: var(--sage); }
.footer-address { grid-column: 9 / span 4; color: rgba(245, 241, 232, .85); }
.footer-base {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
  margin-top: clamp(3rem, 6vw, 5rem); padding-top: 1.5rem; border-top: 1px solid rgba(245, 241, 232, .16);
  font-size: var(--step--1); color: rgba(245, 241, 232, .6);
}
.link-button { background: none; border: 0; padding: 0; cursor: pointer; color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.link-button:hover { color: var(--sage); }

/* ---------- Privacy dialog ---------- */
.privacy { border: 0; border-radius: var(--radius); padding: clamp(1.5rem, 4vw, 2.5rem); max-width: 32rem; width: calc(100% - 2rem); background: var(--ivory); color: var(--ink); }
.privacy::backdrop { background: rgba(35, 38, 42, .55); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.privacy h2 { font-family: var(--font-display); font-weight: 400; font-size: var(--step-3); line-height: 1; margin-bottom: 1rem; }
.privacy p { margin-bottom: 1.5rem; color: var(--ink-soft); }

/* ---------- Motion ---------- */
.js .hero-title .line > span { transform: translateY(105%); }
.js.is-loaded .hero-title .line > span { transform: none; transition: transform 1.2s var(--ease); }
.js.is-loaded .hero-title .line-2 > span { transition-delay: .14s; }
.js .hero-lower, .js .hero-place { opacity: 0; transform: translateY(14px); }
.js.is-loaded .hero-lower, .js.is-loaded .hero-place { opacity: 1; transform: none; transition: opacity 1s .55s var(--ease), transform 1s .55s var(--ease); }
.js.is-loaded .hero-place { transition-delay: .75s; }

.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.is-in { opacity: 1; transform: none; }

.js .reveal-lines .word { display: inline-block; opacity: .18; transition: opacity .6s var(--ease); }
.js .reveal-lines .word.is-lit { opacity: 1; }

/* ---------- Responsive ---------- */
@media (max-width: 62rem) {
  .about-statement { grid-column: 1 / -1; }
  .plate { grid-column: 9 / span 4; grid-row: auto; }
  .about-body { grid-column: 1 / span 8; }
  .section-head .display, .section-head .section-intro { grid-column: 1 / -1; }
  .s-a, .s-b, .s-c, .s-d, .s-e { grid-column: span 6; margin-top: 0; }
  .s-f { grid-column: 1 / -1; }
  .approach-grid, .contact-grid { grid-template-columns: 1fr; }
  .approach-head { position: static; grid-column: 1; }
  .steps { grid-column: 1; }
  .contact-info, .form { grid-column: 1; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid nav { grid-column: 1 / span 5; }
  .footer-address { grid-column: 6 / span 7; }
  .hero-art svg { right: -45%; }
}

@media (max-width: 52rem) {
  .menu-toggle {
    display: inline-flex; align-items: center; gap: .7rem; cursor: pointer;
    background: none; border: 1.5px solid var(--charcoal); border-radius: 999px; padding: .55rem 1rem;
    font-size: var(--step--1); font-weight: 500; position: relative; z-index: 2;
  }
  .menu-bars { display: grid; gap: 5px; width: 18px; }
  .menu-bars i { display: block; height: 1.5px; background: currentColor; transition: transform .4s var(--ease); }
  .menu-toggle[aria-expanded="true"] .menu-bars i:first-child { transform: translateY(3.25px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-bars i:last-child { transform: translateY(-3.25px) rotate(-45deg); }

  .site-nav {
    position: fixed; inset: 0; z-index: 1; background: var(--ivory);
    flex-direction: column; align-items: flex-start; justify-content: center; gap: 2.5rem;
    padding: calc(var(--header-h) + 1rem) var(--gutter) 3rem;
    clip-path: inset(0 0 100% 0); visibility: hidden;
    transition: clip-path .6s var(--ease), visibility 0s .6s;
  }
  .site-nav.is-open { clip-path: inset(0); visibility: visible; transition: clip-path .6s var(--ease), visibility 0s; }
  .site-nav ul { flex-direction: column; gap: 1rem; }
  .site-nav li a { font-family: var(--font-display); font-size: var(--step-3); line-height: 1; font-weight: 400; }
  .nav-cta { --pad-y: 1rem; --pad-x: 1.8rem; font-size: var(--step-0); }

  .hero-title .line-2 { padding-left: 0; }
  .hero-lower { margin-left: 0; }
  .plate { grid-column: 7 / span 6; }
  .about-body { grid-column: 1 / -1; }
  .principles > div { grid-template-columns: 1fr; gap: .4rem; }
  .s-a, .s-b, .s-c, .s-d, .s-e, .s-f { grid-column: 1 / -1; }
  .service-link { min-height: 17rem; }
  .map { aspect-ratio: 4 / 3; }
  .footer-grid nav, .footer-address { grid-column: 1 / -1; }
}

@media (hover: none) {
  .service-link:hover { --bg: var(--ivory); --fg: var(--charcoal); transform: none; }
  .s-b .service-link:hover { --bg: #DFE3D3; }
  .s-e .service-link:hover { --bg: #E6DDCB; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  .js .hero-title .line > span, .js .hero-lower, .js .hero-place, .js .reveal { opacity: 1; transform: none; }
  .js .reveal-lines .word { opacity: 1; }
}