@import url('https://fonts.googleapis.com/css2?family=Castoro:ital@0;1&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --paper:        #FAF9F7;
  --paper-2:      #F3F1ED;
  --paper-3:      #EAE7E1;
  --paper-pure:   #FFFFFF;
  --paper-rgb:    250, 249, 247;
  --services-para: #8E8676;

  --ink:          #14110D;
  --ink-2:        #2A2620;
  --ink-3:        #5C564B;
  --ink-4:        #8E8676;

  --accent:       #8B2A1F;
  --accent-soft:  #B85648;

  --rule:         rgba(20, 17, 13, 0.18);
  --rule-strong:  rgba(20, 17, 13, 0.55);

  --font-display: 'Castoro', 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  --font-mono:    ui-monospace, 'SF Mono', 'JetBrains Mono', Menlo, Consolas, monospace;

  --container:        1280px;
  --container-narrow: 880px;
  --gutter:           clamp(32px, 6vw, 96px);

  --s-4:  16px;
  --s-5:  24px;
  --s-6:  32px;
  --s-7:  48px;
  --s-8:  64px;
  --s-9:  96px;
  --s-10: 128px;
  --s-11: 192px;

  --ease:     cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-1:    160ms;
  --dur-2:    320ms;
}

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

html {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
}

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

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--rule-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 500ms cubic-bezier(0.16, 1, 0.3, 1),
              text-decoration-color 500ms cubic-bezier(0.16, 1, 0.3, 1);
}
a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

/* ── Header ─────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: transparent;
}

.site-header__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--s-4) var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header__logo {
  display: block;
  height: 22px;
  width: auto;
}

.site-header__logo img {
  display: block;
  height: 22px;
  width: auto;
}

.site-header__nav {
  display: flex;
  gap: var(--s-7);
  align-items: center;
}

.site-header__nav a {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink-2);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color var(--dur-1) var(--ease);
}
.site-header__nav a:hover { color: var(--ink); }

.lang-toggle {
  display: inline-flex;
  gap: 6px;
  align-items: center;
}

.lang-toggle__sep {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-4);
}

.lang-toggle button {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  color: var(--ink-4);
  transition: color var(--dur-1) var(--ease);
}
.lang-toggle button.active,
.lang-toggle button:hover { color: var(--ink); }

/* ── Sound control ────────────────────────────────────── */

.sound-control {
  position: fixed;
  bottom: 32px;
  left: 32px;
  z-index: 200;
}

.sound-widget {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-4);
  transition: color 400ms var(--ease-out);
}
.sound-widget:hover { color: var(--ink); }
.sound-widget.muted  { opacity: 0.28; }

.sound-icon {
  width: 28px;
  height: 12px;
  flex-shrink: 0;
  overflow: hidden;
}

.sound-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 380ms var(--ease-out), transform 380ms var(--ease-out);
  pointer-events: none;
}
.sound-widget:hover .sound-actions {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.sound-action {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  color: inherit;
  transition: opacity 200ms;
}
.sound-action:hover { opacity: 0.6; }

.sound-sep {
  font-size: 10px;
  color: var(--ink-4);
  user-select: none;
}

@keyframes wave-flow {
  from { transform: translateX(0); }
  to   { transform: translateX(-16px); }
}

.sound-widget.playing .sound-icon path {
  animation: wave-flow 1.4s linear infinite;
}

@media (max-width: 640px) {
  .sound-control { bottom: 20px; left: 20px; }
}

/* ── Body text — shared editorial style ─────────────── */

.prose {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--gutter);
  position: relative;
  z-index: 1;
  background: var(--paper);
}

.editorial {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--editorial-body, var(--ink-4));
  margin: 0 0 1em;
  font-weight: 400;
  text-wrap: pretty;
}
.editorial em {
  font-style: italic;
  color: var(--ink);
}
.editorial .black {
  color: var(--ink);
  font-style: normal;
}

/* ── Sections ─────────────────────────────────────────── */

.section-hero {
  padding-top: var(--s-11);
  padding-bottom: var(--s-7);
}

.section-manifesto {
  padding-top: 0;
  padding-bottom: 0;
}

.section-services {
  padding-top: var(--s-9);
  padding-bottom: 0;
}

.section-contact {
  padding-top: var(--s-9);
  padding-bottom: var(--s-11);
}

/* ── Services items ───────────────────────────────────── */

.services-item {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 20.9776px;
  font-weight: 700;
  line-height: 25.1731px;
  letter-spacing: -0.84944px;
  color: var(--services-para);
  margin: 0 0 1.2em;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}
.services-item .service-name {
  color: var(--ink);
  font-weight: 700;
}

/* ── Contact link ─────────────────────────────────────── */

.contact-link {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--rule-strong);
  text-underline-offset: 0.12em;
}
.contact-link:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

/* ── Footer ───────────────────────────────────────────── */

.site-footer {
  padding: var(--s-7) var(--gutter);
}

.site-footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-6);
  flex-wrap: wrap;
}

.site-footer__inner a {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink-2);
  text-decoration: none;
  transition: color var(--dur-1) var(--ease);
}
.site-footer__inner a:hover { color: var(--ink); }

/* ── Reveal animation ────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ── Mobile ───────────────────────────────────────────── */

/* ── Shader background ────────────────────────────────── */

#shader-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}

/* ── Palette controls ─────────────────────────────────── */

.palette-controls {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

/* Reset button — appears only when non-default palette active */
.palette-reset {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--rule-strong);
  background: var(--paper);
  color: var(--ink-3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  opacity: 0;
  transform: translateY(6px) scale(0.85);
  pointer-events: none;
  transition: opacity 400ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 400ms cubic-bezier(0.16, 1, 0.3, 1),
              border-color 400ms cubic-bezier(0.16, 1, 0.3, 1),
              color 400ms cubic-bezier(0.16, 1, 0.3, 1),
              background 400ms cubic-bezier(0.16, 1, 0.3, 1);
}
.palette-reset svg {
  width: 10px;
  height: 10px;
}
.palette-reset.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.palette-reset:hover {
  color: var(--ink);
  border-color: var(--ink);
}

/* Main palette button */
.palette-btn {
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1.5px solid var(--rule-strong);
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  background: transparent;
  transition: border-color 500ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 300ms cubic-bezier(0.16, 1, 0.3, 1);
}
.palette-btn:hover {
  transform: scale(1.06);
  border-color: var(--rule-strong);
}

/* Subtle arrows — top right, outside the overflow:hidden clip */
.palette-btn__arrows {
  position: absolute;
  top: -14px;
  right: -4px;
  font-size: 10px;
  color: var(--ink-4);
  pointer-events: none;
  user-select: none;
  transition: color 500ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 500ms cubic-bezier(0.16, 1, 0.3, 1);
  line-height: 1;
  z-index: 1;
}
.palette-btn:hover .palette-btn__arrows {
  transform: rotate(180deg);
  color: var(--ink);
}

/* Split color preview inside button */
.palette-preview {
  display: flex;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.palette-preview__left,
.palette-preview__right {
  flex: 1;
  height: 100%;
  transition: background-color 500ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Mobile ───────────────────────────────────────────── */

@media (max-width: 640px) {
  .site-header__nav {
    gap: var(--s-5);
  }
  .site-header__nav a {
    display: none;
  }
  .lang-toggle {
    border-left: 0;
    padding-left: 0;
  }
  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--s-5);
  }
  .palette-controls {
    bottom: 20px;
    right: 20px;
  }
}