/* ============================================================
   GBG NYANZ MÅLERI — "Ateljén"
   Fraunces (display) · Hanken Grotesk (body) · IBM Plex Mono (data)
   Kalkvit & sot — kulören är det enda ljudet.
   ============================================================ */

:root {
  --paper:  #F4F0E8;
  --ink:    #1C1A17;
  --accent: #C0622B;          /* Bohusockra No. 01 — byts av kulörväggen */
  --accent-ink: #F6EFE3;      /* text ovanpå accent */
  --bg: var(--paper);
  --fg: var(--ink);
  --mono: "IBM Plex Mono", monospace;
  --serif: "Fraunces", serif;
  --sans: "Hanken Grotesk", sans-serif;
  --maxw: 1280px;
  --pad: clamp(20px, 5vw, 72px);
  --ease: cubic-bezier(.22,.8,.3,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
html.lenis { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto; }

body {
  font-family: var(--sans);
  font-size: clamp(16px, 1.15vw, 18px);
  line-height: 1.6;
  background: var(--bg);
  color: var(--fg);
  transition: background-color .8s var(--ease), color .8s var(--ease);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* ---------- texture ---------- */
.grain {
  position: fixed; inset: -50%;
  width: 200%; height: 200%;
  pointer-events: none; z-index: 9999;
  opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- typographic primitives ---------- */
.stamp {
  font-family: var(--mono);
  font-size: clamp(10px, .72vw, 12px);
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  opacity: .62;
}

.section-title {
  font-family: var(--serif);
  font-weight: 300;
  font-variation-settings: "opsz" 144;
  font-size: clamp(2.5rem, 6vw, 4.8rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: .55em 0 .45em;
}
.section-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
  transition: color .8s var(--ease);
}

.section-lead {
  max-width: 34em;
  font-size: clamp(1.02rem, 1.35vw, 1.2rem);
  opacity: .85;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .01em;
  padding: 1em 2.1em;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 999px;
  transition: background-color .8s var(--ease), transform .35s var(--ease), box-shadow .35s var(--ease);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 32px -12px var(--accent); }
.btn-ghost {
  background: transparent;
  color: var(--fg);
  box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--fg) 35%, transparent);
}
.btn-ghost:hover { box-shadow: inset 0 0 0 1.5px var(--fg); }
.btn-small { padding: .65em 1.5em; font-size: .85rem; }
.btn-block { width: 100%; text-align: center; }

/* ============ HEADER ============ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  padding: 12px var(--pad);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid color-mix(in srgb, var(--fg) 8%, transparent);
  transition: background-color .8s var(--ease), border-color .8s var(--ease);
}
.wordmark { display: block; position: relative; line-height: 1; }
.logo-img {
  display: block;
  width: 142px;
  height: auto;
}
.logo-on-dark {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity .8s var(--ease);
}
.logo-on-light { transition: opacity .8s var(--ease); }
html.theme-dark .logo-on-dark { opacity: 1; }
html.theme-dark .logo-on-light { opacity: 0; }
.main-nav { display: flex; gap: clamp(18px, 2.5vw, 40px); }
.main-nav a {
  font-size: .92rem; font-weight: 500;
  position: relative; opacity: .8;
  transition: opacity .25s;
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: -5px;
  width: 100%; height: 2px;
  background: var(--accent);
  transform: scaleX(0); transform-origin: right;
  transition: transform .35s var(--ease);
}
.main-nav a:hover { opacity: 1; }
.main-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.header-actions { display: flex; align-items: center; gap: 22px; }
.header-tel { font-family: var(--mono); font-size: .85rem; letter-spacing: .04em; opacity: .8; }
.header-tel:hover { opacity: 1; }

.menu-btn { display: none; flex-direction: column; gap: 6px; padding: 8px 4px; }
.menu-btn span { width: 26px; height: 2px; background: var(--fg); transition: transform .35s var(--ease), opacity .3s; }
.menu-btn[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 90;
  background: var(--bg);
  display: flex; flex-direction: column; justify-content: center;
  padding: var(--pad);
  opacity: 0; pointer-events: none;
  transition: opacity .4s var(--ease);
}
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 8px; }
.mobile-menu nav a {
  font-family: var(--serif); font-weight: 300; font-style: italic;
  font-size: clamp(2.2rem, 9vw, 3.4rem);
  transform: translateY(24px); opacity: 0;
  transition: transform .55s var(--ease), opacity .55s var(--ease);
}
.mobile-menu.open nav a { transform: none; opacity: 1; }
.mobile-menu.open nav a:nth-child(1){transition-delay:.05s}
.mobile-menu.open nav a:nth-child(2){transition-delay:.1s}
.mobile-menu.open nav a:nth-child(3){transition-delay:.15s}
.mobile-menu.open nav a:nth-child(4){transition-delay:.2s}
.mobile-menu.open nav a:nth-child(5){transition-delay:.25s}
.mobile-menu-foot { margin-top: 48px; display: flex; flex-direction: column; gap: 8px; font-family: var(--mono); font-size: .9rem; opacity: .7; }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 120px var(--pad) 80px;
  overflow: hidden;
}
#fluid { display: none; }
.fluid-host {
  position: absolute; inset: 0;
  opacity: .5;
  pointer-events: none;       /* musen vidarebefordras via JS */
}
.fluid-host canvas { width: 100%; height: 100%; display: block; }
.hero-inner { position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto; width: 100%; }
.hero-stamp { margin-bottom: clamp(24px, 4vh, 48px); }

.hero-title {
  font-family: var(--serif);
  font-weight: 300;
  font-variation-settings: "opsz" 144;
  font-size: clamp(3.4rem, 11.5vw, 10rem);
  line-height: .98;
  letter-spacing: -0.025em;
}
.hero-title .line { display: block; overflow: hidden; padding-bottom: .08em; margin-bottom: -.08em; }
.hero-title .line-inner { display: inline-block; }
.gbg-wrap { position: relative; font-style: italic; font-weight: 400; }
.swash {
  position: absolute; left: -2%; right: -2%; bottom: -.06em;
  width: 104%; height: .28em;
  overflow: visible;
}
.swash path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 14;
  stroke-linecap: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  opacity: .9;
  transition: stroke .8s var(--ease);
}

.hero-segments { margin: clamp(20px, 3.5vh, 40px) 0 14px; opacity: .55; }
.hero-lead {
  max-width: 36em;
  font-size: clamp(1.05rem, 1.45vw, 1.25rem);
  opacity: .85;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: clamp(26px, 4vh, 44px); }

.scroll-cue {
  position: absolute; bottom: 28px; left: var(--pad);
  display: flex; align-items: center; gap: 14px;
}
.scroll-line { display: inline-block; width: 64px; height: 1px; background: var(--fg); opacity: .4; transform-origin: left; animation: cue 2.2s var(--ease) infinite; }
@keyframes cue { 0%{transform:scaleX(0)} 55%{transform:scaleX(1)} 100%{transform:scaleX(0); transform-origin:right} }

/* ============ STATS ============ */
.stats { padding: clamp(70px, 12vh, 140px) var(--pad); max-width: var(--maxw); margin: 0 auto; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  border-top: 1px solid color-mix(in srgb, var(--fg) 16%, transparent);
  padding-top: clamp(36px, 5vh, 60px);
}
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat-num {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.6rem, 5.5vw, 4.6rem);
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.stat-label { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; opacity: .6; max-width: 16em; }
.stats-line {
  margin-top: clamp(40px, 6vh, 64px);
  font-family: var(--serif); font-style: italic; font-weight: 300;
  font-size: clamp(1.3rem, 2.4vw, 2rem);
  opacity: .9;
}

/* ============ UPPDRAG ============ */
.uppdrag-intro { padding: clamp(80px, 14vh, 160px) var(--pad) clamp(60px, 8vh, 100px); max-width: var(--maxw); margin: 0 auto; }

.uppdrag { padding: clamp(90px, 16vh, 180px) var(--pad); }
.uppdrag-inner { max-width: var(--maxw); margin: 0 auto; }
.uppdrag h3 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.6rem, 7vw, 5.6rem);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: .4em 0 .4em;
}
.uppdrag p { max-width: 36em; font-size: clamp(1.02rem, 1.35vw, 1.2rem); opacity: .88; }
.uppdrag-points {
  list-style: none;
  display: flex; flex-wrap: wrap; gap: 10px 14px;
  margin-top: clamp(28px, 4vh, 44px);
}
.uppdrag-points li {
  padding: .55em 1.1em;
  border: 1px solid color-mix(in srgb, var(--fg) 28%, transparent);
  border-radius: 999px;
  opacity: .85;
}

/* ============ PROCESS ============ */
.process { position: relative; }
.process-pin {
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 110px var(--pad) 80px;
  max-width: var(--maxw); margin: 0 auto;
}
.process-head { margin-bottom: clamp(40px, 6vh, 72px); }
.process-track { display: grid; grid-template-columns: 4px 1fr; gap: clamp(24px, 4vw, 56px); }
.process-progress { position: relative; background: color-mix(in srgb, var(--fg) 14%, transparent); border-radius: 4px; }
.process-progress span {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transform: scaleY(0); transform-origin: top;
  transition: background-color .8s var(--ease);
}
.process-steps { list-style: none; display: grid; gap: clamp(28px, 4.5vh, 48px); }
.process-step { opacity: .3; transform: translateX(12px); transition: opacity .5s var(--ease), transform .5s var(--ease); }
.process-step.active { opacity: 1; transform: none; }
.process-step h4 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.4rem, 2.6vw, 2.1rem);
  letter-spacing: -0.01em;
  margin: 8px 0 6px;
}
.process-step p { max-width: 36em; opacity: .75; }
.step-no { color: var(--accent); opacity: 1; transition: color .8s var(--ease); }

/* ============ KULÖRVÄGGEN ============ */
.kulor { padding: clamp(90px, 15vh, 170px) var(--pad); max-width: var(--maxw); margin: 0 auto; }
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(14px, 2vw, 24px);
  margin-top: clamp(40px, 6vh, 64px);
}
.swatch {
  text-align: left;
  display: flex; flex-direction: column; gap: 10px;
  padding: 0;
}
.swatch-chip {
  display: block;
  width: 100%; aspect-ratio: 5 / 4;
  background: var(--sw);
  border-radius: 6px;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-radius .45s var(--ease);
  box-shadow: 0 2px 0 rgba(0,0,0,.04);
}
.swatch:hover .swatch-chip,
.swatch:focus-visible .swatch-chip { transform: translateY(-6px) scale(1.02); box-shadow: 0 22px 40px -18px var(--sw); border-radius: 12px; }
.swatch.active .swatch-chip { outline: 2px solid var(--fg); outline-offset: 4px; }
.swatch-name { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: clamp(1.05rem, 1.6vw, 1.35rem); }
.swatch-code { font-size: 9.5px; }
.kulor-note { margin-top: clamp(36px, 5vh, 56px); }
#active-kulor { color: var(--accent); opacity: 1; transition: color .8s var(--ease); }

/* ============ OM OSS ============ */
.om { padding: clamp(90px, 15vh, 170px) var(--pad); }
.om-grid {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 1.15fr .85fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.om-text p { max-width: 33em; margin-bottom: 1.1em; opacity: .88; }
.om-quote {
  position: sticky; top: 140px;
  padding: clamp(28px, 3.5vw, 48px);
  border-left: 3px solid var(--accent);
  transition: border-color .8s var(--ease);
}
.om-quote blockquote {
  font-family: var(--serif); font-style: italic; font-weight: 300;
  font-size: clamp(1.5rem, 2.8vw, 2.3rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.om-quote figcaption { margin-top: 20px; }
.values {
  list-style: none;
  max-width: var(--maxw); margin: clamp(60px, 10vh, 110px) auto 0;
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 4vw, 56px);
  border-top: 1px solid color-mix(in srgb, var(--fg) 16%, transparent);
  padding-top: clamp(36px, 5vh, 56px);
}
.values h4 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.3rem, 2vw, 1.7rem); margin: 10px 0 8px; }
.values p { opacity: .75; max-width: 26em; }
.value-no { color: var(--accent); opacity: 1; transition: color .8s var(--ease); }

/* ============ KONTAKT ============ */
.kontakt { padding: clamp(100px, 16vh, 190px) var(--pad); }
.kontakt-grid {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 7vw, 110px);
  align-items: start;
}
.kontakt-intro p { max-width: 28em; opacity: .85; }
.kontakt-direkt { margin-top: clamp(36px, 5vh, 56px); display: grid; gap: 22px; }
.kontakt-direkt dd { font-size: clamp(1.1rem, 1.6vw, 1.35rem); margin-top: 4px; }
.kontakt-direkt a { border-bottom: 1px solid color-mix(in srgb, var(--fg) 30%, transparent); transition: border-color .3s; }
.kontakt-direkt a:hover { border-color: var(--accent); }

.offert-form { display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.offert-form label { display: grid; gap: 8px; font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; opacity: .85; }
.offert-form input, .offert-form select, .offert-form textarea {
  font-family: var(--sans); font-size: 1rem;
  color: var(--fg);
  background: color-mix(in srgb, var(--fg) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--fg) 18%, transparent);
  border-radius: 8px;
  padding: .85em 1em;
  transition: border-color .3s, background-color .3s;
}
.offert-form select option { color: #1C1A17; background: #F4F0E8; }
.offert-form textarea { resize: vertical; }
.offert-form input:focus, .offert-form select:focus, .offert-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: color-mix(in srgb, var(--fg) 9%, transparent);
}
.form-note { text-align: center; font-size: 9.5px; opacity: .45; }

/* ============ FOOTER ============ */
.site-footer {
  background: #0E0C0A;
  color: #EFEAE0;
  padding: clamp(60px, 9vh, 100px) var(--pad) 36px;
  display: grid; gap: 40px;
}
.site-footer .footer-logo { width: clamp(180px, 22vw, 250px); }
.footer-brand { display: grid; gap: 14px; max-width: var(--maxw); margin: 0 auto; width: 100%; }
.footer-cols {
  max-width: var(--maxw); margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: repeat(3, auto);
  justify-content: space-between; gap: 24px;
  border-top: 1px solid rgba(239,234,224,.12);
  padding-top: 32px;
  line-height: 2;
}
.footer-cols a:hover { color: var(--accent); }
.footer-credit { max-width: var(--maxw); margin: 0 auto; width: 100%; opacity: .35; }
.footer-credit a:hover { color: var(--accent); opacity: 1; }

/* ============ RESPONSIVE ============ */
@media (max-width: 980px) {
  .om-grid, .kontakt-grid { grid-template-columns: 1fr; }
  .om-quote { position: static; }
  .swatch-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
  .values { grid-template-columns: 1fr; }
}
@media (max-width: 880px) {
  .main-nav, .header-tel { display: none; }
  .menu-btn { display: flex; }
}
@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr; }
  .hero-cta .btn { width: 100%; text-align: center; }
  .header-actions .btn-small { display: none; }
  .hide-sm { display: none; }
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .swash path { stroke-dashoffset: 0; }
  #fluid { display: none; }
}