/* NuHorizon — one-page site */

:root {
  --paper: #F3F0EA;
  --paper-2: #EBE6DC;
  --ink: #141311;
  --ink-muted: #5E5A53;
  --ink-faint: #8A857C;
  --line: #D9D3C8;
  --accent: #B85A32;
  --accent-soft: #E8D3C6;
  --header-h: 4.25rem;
  --content: 70rem;
  --narrow: 40rem;
  --gutter: clamp(1.25rem, 4.5vw, 3rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  color-scheme: light;
}

@font-face {
  font-family: "Instrument Sans";
  src: url("/fonts/instrument-sans.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Sans";
  src: url("/fonts/instrument-sans-medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Sans";
  src: url("/fonts/instrument-sans-semibold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Sans";
  src: url("/fonts/instrument-sans-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Serif";
  src: url("/fonts/instrument-serif.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Serif";
  src: url("/fonts/instrument-serif-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 0.5rem);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Instrument Sans", "IBM Plex Sans", system-ui, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover { color: var(--accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
  z-index: 200;
}
.skip:focus { top: 0.75rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(14px);
  -webkit-backdrop-filter: saturate(1.2) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--ease), background 200ms var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: color-mix(in srgb, var(--paper) 94%, transparent);
}

.header-inner,
.section-inner,
.footer-inner {
  width: min(100%, var(--content));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ink);
}
.brand:hover { color: var(--ink); }
.brand img, .brand svg {
  width: 1.7rem;
  height: auto;
}
.brand-name {
  font-weight: 500;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  text-transform: none;
  letter-spacing: 0.14em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.nav a {
  text-decoration: none;
  font-size: 0.92rem;
  color: var(--ink-muted);
  letter-spacing: 0.01em;
}
.nav a:hover { color: var(--ink); }
.nav a.nav-cta {
  color: var(--paper);
  background: var(--ink);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.85rem;
}
.nav a.nav-cta:hover {
  background: var(--accent);
  color: var(--paper);
}

.menu-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 0.4rem;
  cursor: pointer;
  color: var(--ink);
}
.menu-toggle svg { width: 1.35rem; height: 1.35rem; }

@media (max-width: 720px) {
  .menu-toggle { display: inline-flex; }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem var(--gutter) 1.25rem;
  }
  .nav.is-open { display: flex; }
  .nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
  }
  .nav a.nav-cta {
    margin-top: 0.75rem;
    text-align: center;
    border-bottom: 0;
  }
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100svh - var(--header-h));
  display: flex;
  align-items: center;
  padding: clamp(3rem, 8vh, 7rem) 0 clamp(4rem, 10vh, 8rem);
}
.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% -20% 40%;
  background-image: url("/assets/logo-mark.svg");
  background-repeat: no-repeat;
  background-size: 78% auto;
  background-position: 90% 40%;
  opacity: 0.055;
  pointer-events: none;
}
.hero-inner { width: min(100%, var(--content)); margin-inline: auto; padding-inline: var(--gutter); position: relative; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.25rem;
}
.eyebrow::before {
  content: "";
  width: 1.75rem;
  height: 1.15px;
  background: var(--accent);
}

.hero h1 {
  font-family: "Instrument Serif", "IBM Plex Serif", Georgia, serif;
  font-weight: 400;
  font-size: clamp(2.6rem, 7.2vw, 5.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 1.4rem;
  max-width: 14ch;
}

.hero .lead {
  max-width: 34rem;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--ink-muted);
  margin: 0 0 2.25rem;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: background 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { background: var(--accent); color: var(--paper); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }

/* Sections */
section {
  padding: clamp(4.5rem, 10vw, 7.5rem) 0;
}
.section-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.85rem;
}
.section-title {
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
  font-size: clamp(2rem, 4.4vw, 3.15rem);
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0 0 1rem;
  max-width: 18ch;
}
.section-intro {
  color: var(--ink-muted);
  max-width: 36rem;
  margin: 0 0 3rem;
  font-size: 1.05rem;
}

.band {
  border-top: 1px solid var(--line);
}
.band-alt { background: var(--paper-2); }

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.service {
  padding: 1.85rem 1.6rem 1.85rem 0;
  border-bottom: 1px solid var(--line);
}
.service:nth-child(odd) { padding-right: 2.25rem; border-right: 1px solid var(--line); }
.service:nth-child(even) { padding-left: 2.25rem; }
.service h3 {
  font-family: "Instrument Sans", sans-serif;
  font-weight: 500;
  font-size: 1.15rem;
  margin: 0 0 0.6rem;
  letter-spacing: -0.01em;
}
.service p {
  margin: 0;
  color: var(--ink-muted);
  max-width: 34rem;
}

@media (max-width: 720px) {
  .services-grid { grid-template-columns: 1fr; }
  .service,
  .service:nth-child(odd),
  .service:nth-child(even) {
    padding: 1.5rem 0;
    border-right: 0;
  }
}

/* Approach */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem 1.5rem;
  counter-reset: step;
  list-style: none;
  margin: 0;
  padding: 0;
}
.step {
  position: relative;
  padding-top: 0.25rem;
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 1.65rem;
  color: var(--accent);
  margin-bottom: 0.85rem;
  letter-spacing: 0.02em;
}
.step h3 {
  font-size: 1.12rem;
  font-weight: 500;
  margin: 0 0 0.5rem;
}
.step p { margin: 0; color: var(--ink-muted); }

@media (max-width: 900px) {
  .process { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .process { grid-template-columns: 1fr; }
}

/* About */
.about-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.3fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
.about-body p {
  margin: 0 0 1rem;
  color: var(--ink);
  font-size: 1.12rem;
  line-height: 1.65;
  max-width: 38rem;
}
.about-body p:last-child { margin-bottom: 0; color: var(--ink-muted); font-size: 1.02rem; }

@media (max-width: 720px) {
  .about-inner { grid-template-columns: 1fr; }
}

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.contact-card {
  background: var(--paper);
  border: 1px dashed color-mix(in srgb, var(--ink) 28%, var(--line));
  border-radius: 0.35rem;
  padding: 1.5rem 1.5rem 1.4rem;
}
.contact-card .placeholder-kicker {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.7rem;
}
.contact-card h3 {
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 1.55rem;
  font-weight: 400;
  margin: 0 0 0.6rem;
}
.contact-card p {
  margin: 0;
  color: var(--ink-muted);
}
.contact-card p + p { margin-top: 0.7rem; }

/* Swap-in hook: replace .contact-placeholder contents with real details */
.contact-details {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.25rem;
}
.contact-details:empty { display: none; }
.contact-details dt {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0;
}
.contact-details dd { margin: 0.15rem 0 0; }

@media (max-width: 720px) {
  .contact-layout { grid-template-columns: 1fr; }
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.75rem 0 2rem;
  color: var(--ink-faint);
  font-size: 0.88rem;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}
.footer-brand { color: var(--ink-muted); letter-spacing: 0.08em; }

/* 404 */
.page-error {
  min-height: calc(100svh - var(--header-h) - 6rem);
  display: flex;
  align-items: center;
  padding: 4rem 0;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}