/* self-hosted fonts (restored after polish strip) */
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url(../fonts/IBMPlexMono-400-italic-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url(../fonts/IBMPlexMono-400-italic-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: italic;
  font-weight: 600;
  font-display: swap;
  src: url(../fonts/IBMPlexMono-600-italic-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: italic;
  font-weight: 600;
  font-display: swap;
  src: url(../fonts/IBMPlexMono-600-italic-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(../fonts/IBMPlexMono-400-normal-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(../fonts/IBMPlexMono-400-normal-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(../fonts/IBMPlexMono-500-normal-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(../fonts/IBMPlexMono-500-normal-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(../fonts/IBMPlexMono-600-normal-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(../fonts/IBMPlexMono-600-normal-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(../fonts/IBMPlexMono-700-normal-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(../fonts/IBMPlexMono-700-normal-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: italic;
  font-weight: 400;
  font-stretch: 100%;
  font-display: swap;
  src: url(../fonts/IBMPlexSans-400-italic-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: italic;
  font-weight: 400;
  font-stretch: 100%;
  font-display: swap;
  src: url(../fonts/IBMPlexSans-400-italic-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: italic;
  font-weight: 600;
  font-stretch: 100%;
  font-display: swap;
  src: url(../fonts/IBMPlexSans-600-italic-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: italic;
  font-weight: 600;
  font-stretch: 100%;
  font-display: swap;
  src: url(../fonts/IBMPlexSans-600-italic-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400;
  font-stretch: 100%;
  font-display: swap;
  src: url(../fonts/IBMPlexSans-400-normal-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400;
  font-stretch: 100%;
  font-display: swap;
  src: url(../fonts/IBMPlexSans-400-normal-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 500;
  font-stretch: 100%;
  font-display: swap;
  src: url(../fonts/IBMPlexSans-500-normal-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 500;
  font-stretch: 100%;
  font-display: swap;
  src: url(../fonts/IBMPlexSans-500-normal-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 600;
  font-stretch: 100%;
  font-display: swap;
  src: url(../fonts/IBMPlexSans-600-normal-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 600;
  font-stretch: 100%;
  font-display: swap;
  src: url(../fonts/IBMPlexSans-600-normal-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 700;
  font-stretch: 100%;
  font-display: swap;
  src: url(../fonts/IBMPlexSans-700-normal-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 700;
  font-stretch: 100%;
  font-display: swap;
  src: url(../fonts/IBMPlexSans-700-normal-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(../fonts/SpaceGrotesk-400-normal-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(../fonts/SpaceGrotesk-400-normal-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(../fonts/SpaceGrotesk-500-normal-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(../fonts/SpaceGrotesk-500-normal-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(../fonts/SpaceGrotesk-600-normal-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(../fonts/SpaceGrotesk-600-normal-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(../fonts/SpaceGrotesk-700-normal-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(../fonts/SpaceGrotesk-700-normal-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ==========================================================================
   KATMAN ÇİNİ ATÖLYESİ — teknik çini / seramik karo
   Design-DNA: TEKNİK BRÜTALİZM ON PHOTO
   Space Grotesk 700 UPPERCASE · thick black lines · hard offset shadow
   full-bleed macro photo + hard data-overlay · cobalt + signal orange
   ========================================================================== */

:root {
  --paper:      #EDEAE2;   /* warm concrete base */
  --paper-2:    #F6F4EF;   /* raised panel */
  --paper-3:    #E3DFD4;   /* sunken / band */
  --ink:        #0C0D10;   /* near-black */
  --ink-soft:   #3C3E45;
  --ink-faint:  #5F6067;
  --cobalt:     #1F35C9;   /* true cobalt */
  --cobalt-deep:#16269A;
  --signal:     #FF4A17;   /* signal orange — fill / on dark */
  --signal-text: #B13310;  /* signal orange — text role on concrete paper (AA 4.5+) */
  --signal-bright: #FF7A52; /* signal orange — on cobalt */
  --paper-on-cobalt: #F3F1EA;
  --line:       #0C0D10;   /* structural black line */
  --line-soft:  rgba(12,13,16,0.16);
  --grid-line:  rgba(12,13,16,0.055);
  --ok:         #0A6F36;

  --header-h: 74px;
  --maxw: 1280px;
  --shadow: 6px 6px 0 var(--ink);
  --shadow-sm: 4px 4px 0 var(--ink);
  --shadow-cobalt: 6px 6px 0 var(--cobalt);

  --font-display: 'Space Grotesk', 'Arial Narrow', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'IBM Plex Sans', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Consolas', ui-monospace, monospace;

  --ease: cubic-bezier(.2,.7,.2,1);
  --ease-2: cubic-bezier(.4,0,.2,1);

  interpolate-size: allow-keywords;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

html, body {
  overflow-x: hidden;
  max-width: 100vw;
  margin: 0;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 46px 46px, 46px 46px;
  background-position: -1px -1px;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0 0 0.4em;
  color: var(--ink);
  text-transform: uppercase;
}

p { margin: 0 0 1em; color: var(--ink-soft); }
a { color: var(--cobalt); text-decoration: none; transition: color .18s var(--ease-2); }
a:hover { color: var(--signal-text); }

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

.mono { font-family: var(--font-mono); letter-spacing: 0; text-transform: none; }
.tnum { font-variant-numeric: tabular-nums; }

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

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--cobalt);
  outline-offset: 2px;
  border-radius: 0;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 2000;
  background: var(--cobalt); color: var(--paper); padding: 12px 18px;
  font-family: var(--font-mono); font-size: 13px; text-transform: uppercase;
  letter-spacing: .06em; border: 2px solid var(--ink);
}
.skip-link:focus { left: 0; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: clamp(16px, 4vw, 40px);
  padding-right: clamp(16px, 4vw, 40px);
}

/* ===== Header ===================================================== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1080;
  height: var(--header-h);
  background: var(--paper);
  border-bottom: 3px solid var(--ink);
  transition: height .24s var(--ease-2), box-shadow .24s var(--ease-2);
}
.site-header.is-scrolled {
  height: 62px;
  box-shadow: 0 6px 0 -3px var(--line-soft);
}
.header-inner {
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-display); font-weight: 700; font-size: 19px;
  letter-spacing: -0.01em; color: var(--ink); flex-shrink: 0;
  text-transform: uppercase;
}
.brand:hover { color: var(--ink); }
.brand .brand-mark { width: 32px; height: 32px; flex-shrink: 0; color: var(--ink); }
.brand span { display: flex; flex-direction: column; line-height: 1; }
.brand small {
  display: block; font-family: var(--font-mono); font-weight: 400;
  font-size: 9px; letter-spacing: .16em; color: var(--ink-faint);
  text-transform: uppercase; margin-top: 3px;
}

.nav-desktop { display: none; align-items: center; gap: 2px; }
@media (min-width: 1024px) { .nav-desktop { display: flex; } }
.nav-desktop a {
  position: relative;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em;
  text-transform: uppercase; font-weight: 500;
  color: var(--ink-soft); padding: 10px 13px;
  transition: color .18s var(--ease-2);
}
.nav-desktop a::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 6px;
  height: 3px; background: var(--cobalt); transform: scaleX(0);
  transform-origin: left; transition: transform .26s var(--ease);
}
.nav-desktop a:hover { color: var(--ink); }
.nav-desktop a:hover::after,
.nav-desktop a.is-active::after { transform: scaleX(1); }
.nav-desktop a.is-active { color: var(--ink); }

.nav-cta {
  margin-left: 12px;
  background: var(--cobalt); color: var(--paper) !important;
  padding: 11px 18px !important;
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  font-weight: 600;
}
.nav-desktop .nav-cta::after { display: none; }
.nav-desktop .nav-cta:hover {
  background: var(--signal); color: var(--paper) !important;
  box-shadow: 1px 1px 0 var(--ink); transform: translate(2px,2px);
}

/* hamburger */
.nav-toggle {
  position: relative; z-index: 1100;
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 46px; height: 46px; padding: 11px;
  background: var(--paper); border: 2px solid var(--ink); border-radius: 0;
  cursor: pointer; box-shadow: 3px 3px 0 var(--ink);
}
@media (min-width: 1024px) { .nav-toggle { display: none; } }
.nav-toggle span {
  display: block; height: 3px; width: 100%; background: var(--ink);
  transition: transform .3s var(--ease), opacity .2s var(--ease-2);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ===== Drawer ===================================================== */
.drawer-backdrop {
  display: block; position: fixed; inset: 0; z-index: 1040;
  background: rgba(12,13,16,.6); opacity: 0; visibility: hidden;
  transition: opacity .24s var(--ease-2), visibility .24s;
}
.drawer-backdrop.is-open { opacity: 1; visibility: visible; }

.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 1050;
  width: min(370px, 92vw);
  background: var(--paper);
  border-left: 3px solid var(--ink);
  transform: translateX(100%);
  transition: transform .32s var(--ease);
  padding: calc(var(--header-h) + 20px) 22px 32px;
  display: flex; flex-direction: column; gap: 6px;
  overflow-y: auto;
}
.drawer.is-open { transform: translateX(0); }
.drawer a {
  font-family: var(--font-mono); font-size: 15px; color: var(--ink);
  text-transform: uppercase; letter-spacing: .02em;
  padding: 15px 14px; border: 2px solid transparent;
  display: flex; align-items: center; justify-content: space-between;
  transition: background .18s, border-color .18s;
}
.drawer a:hover, .drawer a.is-active {
  background: var(--paper-2); border-color: var(--ink); color: var(--ink);
}
.drawer a span { color: var(--ink-faint); font-size: 11px; }
.drawer .drawer-cta {
  margin-top: 12px; background: var(--cobalt); color: var(--paper);
  justify-content: center; border-color: var(--ink); box-shadow: 4px 4px 0 var(--ink);
}
.drawer .drawer-cta:hover { background: var(--signal); color: var(--paper); }
.drawer-meta {
  margin-top: auto; padding-top: 20px; border-top: 2px solid var(--ink);
  font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint); line-height: 1.9;
}

main { padding-top: var(--header-h); }

/* ===== Section shell ============================================== */
section { position: relative; }
.section {
  padding: clamp(56px, 8vw, 108px) 0;
  border-top: 3px solid var(--ink);
}
.section-head {
  display: flex; flex-direction: column; gap: 14px;
  margin-bottom: clamp(32px, 5vw, 56px);
  max-width: 760px;
}
.eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--cobalt); font-weight: 600;
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before {
  content: ""; width: 28px; height: 3px; background: var(--signal); display: inline-block;
}
.section-index {
  font-family: var(--font-mono); font-size: 12px; color: var(--ink-faint);
  letter-spacing: .08em; text-transform: uppercase;
}
h2.section-title { font-size: clamp(2rem, 5.2vw, 3.6rem); letter-spacing: -0.015em; }
.section-sub { color: var(--ink-soft); font-size: clamp(1rem, 2vw, 1.1rem); max-width: 62ch; }

/* ===== Photo blocks + hard data overlay ========================== */
.photo-fig {
  position: relative; margin: 0; border: 3px solid var(--ink);
  overflow: hidden; background: var(--ink);
  box-shadow: var(--shadow);
}
.photo-fig img { width: 100%; display: block; aspect-ratio: 3/2; object-fit: cover; }
.photo-fig figcaption {
  padding: 12px 16px; font-family: var(--font-mono); font-size: 12px;
  color: var(--ink); background: var(--paper-2); border-top: 3px solid var(--ink);
  text-transform: uppercase; letter-spacing: .03em;
}
/* hard data overlay chips over photo */
.data-overlay {
  position: absolute; z-index: 3; display: flex; flex-direction: column; gap: 8px;
  pointer-events: none;
}
.data-overlay.tl { top: 14px; left: 14px; }
.data-overlay.tr { top: 14px; right: 14px; align-items: flex-end; }
.data-overlay.bl { bottom: 14px; left: 14px; }
.ov-tag {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase;
  background: var(--paper); color: var(--ink);
  border: 2px solid var(--ink); padding: 6px 10px; line-height: 1.2;
  box-shadow: 3px 3px 0 rgba(12,13,16,.4);
}
.ov-tag.cobalt { background: var(--cobalt); color: var(--paper); }
.ov-tag.signal { background: var(--signal); color: var(--ink); }
.ov-tag b { font-weight: 700; }

/* ===== Buttons ==================================================== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 13px; font-weight: 600;
  padding: 15px 24px; border-radius: 0; cursor: pointer;
  border: 2px solid var(--ink); transition: transform .18s var(--ease-2), box-shadow .18s var(--ease-2), background .18s, color .18s;
  letter-spacing: .05em; text-transform: uppercase; white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; transition: transform .2s var(--ease); }
.btn-primary { background: var(--cobalt); color: var(--paper); box-shadow: var(--shadow-sm); }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--signal); color: var(--paper); transform: translate(2px,2px); box-shadow: 1px 1px 0 var(--ink); }
.btn-primary:hover svg { transform: translateX(4px); }
.btn-ghost { background: var(--paper); color: var(--ink); box-shadow: var(--shadow-sm); }
.btn-ghost:hover, .btn-ghost:focus-visible { background: var(--ink); color: var(--paper); transform: translate(2px,2px); box-shadow: 1px 1px 0 var(--cobalt); }
.btn-block { width: 100%; justify-content: center; }

/* ===== Tables — harsh spec grid ================================= */
.table-scroll {
  display: block; width: 100%; max-width: 100%; min-width: 0;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  margin: 20px 0;
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-sm);
}
.table-scroll > table { margin: 0 !important; min-width: 520px; width: 100%; }
:where(*:has(> .table-scroll), *:has(> * > .table-scroll), *:has(> * > * > .table-scroll)) { min-width: 0; }

table {
  width: 100%; border-collapse: collapse;
  font-size: 14px; background: var(--paper-2);
}
thead th {
  text-align: left; font-family: var(--font-mono); font-weight: 700;
  font-size: 11px; letter-spacing: .06em; text-transform: uppercase;
  color: var(--paper); padding: 15px 16px;
  background: var(--ink); border-right: 1px solid rgba(237,234,226,.2);
  white-space: nowrap;
}
thead th:last-child { border-right: none; }
tbody td {
  padding: 15px 16px; border-bottom: 2px solid var(--ink);
  border-right: 1px solid var(--line-soft);
  color: var(--ink-soft); vertical-align: top;
}
tbody td:last-child { border-right: none; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:nth-child(even) td { background: var(--paper-3); }
tbody tr:hover td { background: rgba(31,53,201,.07); }
td b, td strong { color: var(--ink); font-weight: 700; }
td .mono { color: var(--cobalt); font-weight: 600; font-size: 14px; }
.val-good { color: var(--ok) !important; }

/* ===== Spec section ============================================= */
.spec-layout { display: grid; gap: clamp(24px, 4vw, 44px); grid-template-columns: 1fr; }
@media (min-width: 900px) { .spec-layout { grid-template-columns: 1.5fr 1fr; align-items: start; } }
.spec-notes { display: grid; gap: 16px; }
.spec-note {
  background: var(--paper-2); border: 2px solid var(--ink);
  padding: 20px; box-shadow: var(--shadow-sm);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.spec-note:hover { transform: translate(-2px,-2px); box-shadow: 8px 8px 0 var(--cobalt); }
.spec-note .sn-icon {
  width: 44px; height: 44px; display: grid; place-items: center;
  background: var(--cobalt); border: 2px solid var(--ink); margin-bottom: 14px;
}
.spec-note .sn-icon svg { width: 24px; height: 24px; color: var(--paper); }
.spec-note h4 { font-size: 1.05rem; margin-bottom: 6px; }
.spec-note p { font-size: 13.5px; margin: 0; }

/* firing curve — hard data panel */
.firing-panel {
  margin-top: 28px;
  background: var(--ink); border: 3px solid var(--ink);
  padding: 22px clamp(16px, 3vw, 28px) 18px;
  position: relative; overflow: hidden; box-shadow: var(--shadow);
}
.firing-panel .fp-head {
  display: flex; justify-content: space-between; align-items: baseline;
  flex-wrap: wrap; gap: 8px; margin-bottom: 8px;
}
.firing-panel .fp-title {
  font-family: var(--font-mono); font-size: 12px; color: var(--paper);
  letter-spacing: .06em; text-transform: uppercase; font-weight: 600;
}
.firing-panel .fp-temp { font-family: var(--font-mono); font-size: 12px; color: var(--signal); }
.firing-svg { width: 100%; height: auto; display: block; }
.firing-svg .grid-line { stroke: rgba(237,234,226,.15); stroke-width: 1; }
.firing-svg .axis-label { color: rgba(237,234,226,.66); fill: currentColor; font-family: 'IBM Plex Mono', monospace; font-size: 10px; }
.firing-svg .curve {
  fill: none; stroke: url(#curveGrad); stroke-width: 3.5;
  stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 900; stroke-dashoffset: 900;
}
.firing-svg.draw .curve { animation: drawCurve 2.6s var(--ease-2) forwards; }
@keyframes drawCurve { to { stroke-dashoffset: 0; } }
.firing-svg .glaze-zone { fill: rgba(255,74,23,.16); opacity: 0; }
.firing-svg.draw .glaze-zone { animation: glazeIn .8s ease 1.8s forwards; }
@keyframes glazeIn { to { opacity: 1; } }
.firing-svg .peak-dot { fill: var(--signal); opacity: 0; }
.firing-svg.draw .peak-dot { animation: peakGlow 1.4s ease 2.2s forwards; }
@keyframes peakGlow { 0%{opacity:0;} 55%{opacity:1; filter: drop-shadow(0 0 8px var(--signal));} 100%{opacity:1; filter: drop-shadow(0 0 3px var(--signal));} }
.firing-svg .zone-label { color: var(--signal); fill: currentColor; font-family: 'IBM Plex Mono', monospace; font-size: 10px; opacity: 0; text-transform: uppercase; }
.firing-svg.draw .zone-label { animation: glazeIn .6s ease 2.4s forwards; }

/* ===== Katman şeması — photo + leader-line overlay ============== */
.layer-layout { display: grid; gap: clamp(28px, 4vw, 48px); grid-template-columns: 1fr; }
@media (min-width: 960px) { .layer-layout { grid-template-columns: 1.1fr .9fr; align-items: center; } }
.kesit-photo { position: relative; margin: 0; border: 3px solid var(--ink); overflow: hidden; box-shadow: var(--shadow); background: var(--ink); }
.kesit-photo img { width: 100%; display: block; aspect-ratio: 3/2; object-fit: cover; }
.kesit-photo .kesit-svg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.kesit-svg .lead-line { stroke: var(--paper); stroke-width: 1.4; }
.kesit-svg .lead-dot { fill: var(--signal); stroke: var(--paper); stroke-width: 1; }
.kesit-svg .lead-txt { color: var(--paper); fill: currentColor; font-family: 'IBM Plex Mono', monospace; font-size: 11px; font-weight: 600; text-transform: uppercase; }
.kesit-svg .lead-dim { color: var(--signal); fill: currentColor; font-family: 'IBM Plex Mono', monospace; font-size: 10px; }
.kesit-svg .lead-plate { fill: rgba(12,13,16,.72); }

.layer-list { display: grid; gap: 0; border: 3px solid var(--ink); box-shadow: var(--shadow-sm); background: var(--paper-2); }
.layer-item {
  display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: start;
  padding: 18px 20px; border-bottom: 2px solid var(--ink);
}
.layer-item:last-child { border-bottom: none; }
.layer-item .li-idx {
  font-family: var(--font-mono); font-size: 15px; color: var(--paper);
  background: var(--ink); width: 34px; height: 34px;
  display: grid; place-items: center; font-weight: 700;
}
.layer-item:nth-child(1) .li-idx { background: var(--signal); }
.layer-item:nth-child(2) .li-idx { background: var(--cobalt); }
.layer-item h4 { font-size: 1.02rem; margin-bottom: 4px; display: flex; flex-wrap: wrap; gap: 10px; align-items: baseline; }
.layer-item h4 .thk { font-family: var(--font-mono); font-size: 12px; color: var(--cobalt); font-weight: 600; text-transform: none; }
.layer-item p { font-size: 13.5px; margin: 0; }

/* ===== Montaj & derz ============================================ */
.app-grid { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .app-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .app-grid { grid-template-columns: repeat(4, 1fr); } }
.app-card {
  background: var(--paper-2); border: 2px solid var(--ink);
  padding: 22px 20px; min-width: 0; position: relative; overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.app-card:hover { transform: translate(-3px,-3px); box-shadow: 9px 9px 0 var(--cobalt); }
/* glaze-drip on hover */
.app-card::after {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 5px;
  background: var(--signal); transform: scaleY(0); transform-origin: top;
  transition: transform .28s var(--ease);
}
.app-card:hover::after { transform: scaleY(1); }
.app-card .ac-step {
  font-family: var(--font-mono); font-size: 11px; color: var(--paper);
  letter-spacing: .08em; background: var(--cobalt); padding: 4px 8px;
  display: inline-block; border: 1px solid var(--ink);
}
.app-card .ac-icon { margin: 16px 0 12px; }
.app-card .ac-icon svg { width: 32px; height: 32px; color: var(--ink); }
.app-card h4 { font-size: 1.05rem; margin-bottom: 6px; overflow-wrap: break-word; word-break: keep-all; min-width: 0; }
.app-card p { font-size: 13.5px; margin: 0; }
.app-card .ac-meta { margin-top: 14px; font-family: var(--font-mono); font-size: 11px; color: var(--cobalt); font-weight: 600; }

/* ===== Pricing / hesap ========================================= */
.price-layout { display: grid; gap: clamp(20px, 3vw, 34px); grid-template-columns: 1fr; }
@media (min-width: 900px) { .price-layout { grid-template-columns: 1.35fr .85fr; align-items: start; } }
.price-cards { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 560px) { .price-cards { grid-template-columns: repeat(3, 1fr); } }
.price-card {
  background: var(--paper-2); border: 2px solid var(--ink);
  padding: 24px 20px; display: flex; flex-direction: column; gap: 7px; min-width: 0;
  box-shadow: var(--shadow-sm);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.price-card:hover { transform: translate(-3px,-3px); box-shadow: 9px 9px 0 var(--cobalt); }
.price-card.featured { background: var(--ink); box-shadow: 6px 6px 0 var(--signal); }
.price-card.featured .pc-name { color: var(--signal); }
.price-card.featured .pc-price, .price-card.featured .pc-desc, .price-card.featured li { color: var(--paper); }
.price-card.featured li svg { color: var(--signal); }
.price-card .pc-name { font-family: var(--font-mono); font-size: 12px; color: var(--cobalt); letter-spacing: .06em; text-transform: uppercase; font-weight: 700; }
.price-card .pc-price {
  font-family: var(--font-display); font-size: clamp(1.9rem, 3.2vw, 2.3rem); font-weight: 700;
  color: var(--ink); font-variant-numeric: tabular-nums; margin-top: 4px; line-height: 1;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 8px; min-width: 0;
}
.price-card .pc-price small {
  font-size: .78rem; color: var(--ink-soft); font-family: var(--font-mono);
  font-weight: 400; text-transform: none; white-space: nowrap;
}
/* when the cards sit 3-across the unit always gets its own line — keeps all three aligned */
@media (min-width: 560px) { .price-card .pc-price small { flex: 0 0 100%; margin-top: 2px; } }
.price-card.featured .pc-price small { color: rgba(243,241,234,.78); }
.price-card .pc-desc { font-size: 13px; color: var(--ink-soft); }
.price-card ul { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 8px; }
.price-card li { font-size: 13px; color: var(--ink-soft); display: flex; gap: 9px; align-items: flex-start; }
.price-card li svg { width: 15px; height: 15px; flex-shrink: 0; margin-top: 3px; color: var(--ok); }
.price-card li.no svg { color: var(--signal); }
.price-note { font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-faint); margin-top: 16px; }

.calc-panel {
  background: var(--cobalt); border: 3px solid var(--ink);
  padding: clamp(22px, 3vw, 30px); box-shadow: var(--shadow); color: var(--paper);
}
.calc-panel h3 { font-size: 1.2rem; color: var(--paper); }
.calc-panel > p { color: rgba(243,241,234,.85); }
.calc-row {
  display: flex; justify-content: space-between; gap: 14px; padding: 13px 0;
  border-bottom: 1px solid rgba(237,234,226,.25); font-size: 14px;
}
.calc-row:last-of-type { border-bottom: none; }
.calc-row .k { color: rgba(243,241,234,.85); }
.calc-row .v { font-family: var(--font-mono); color: var(--paper); font-variant-numeric: tabular-nums; }
.calc-total { display: flex; justify-content: space-between; gap: 14px; padding: 16px 0 0; margin-top: 4px; border-top: 3px solid var(--paper); align-items: baseline; }
.calc-total .k { font-family: var(--font-display); font-weight: 700; color: var(--paper); text-transform: uppercase; }
.calc-total .v { font-family: var(--font-mono); font-size: 1.5rem; color: var(--signal-bright); font-variant-numeric: tabular-nums; font-weight: 700; }
.calc-panel .price-note { color: rgba(243,241,234,.7); }
.calc-panel .btn-ghost { background: var(--paper); color: var(--ink); }
.calc-panel .btn-ghost:hover { background: var(--signal); color: var(--paper); box-shadow: 1px 1px 0 var(--ink); }

/* ===== Stats / counters ======================================== */
.stats-band {
  display: grid; gap: 0; grid-template-columns: repeat(2, 1fr);
  margin-top: 6px; border: 3px solid var(--ink); box-shadow: var(--shadow-sm);
}
@media (min-width: 880px) { .stats-band { grid-template-columns: repeat(4, 1fr); } }
.stat {
  background: var(--paper-2); padding: 22px 18px;
  border-right: 2px solid var(--ink); border-bottom: 2px solid var(--ink);
}
.stats-band .stat:nth-child(2n) { border-right: none; }
@media (min-width: 880px) {
  .stats-band .stat { border-bottom: none; }
  .stats-band .stat:nth-child(2n) { border-right: 2px solid var(--ink); }
  .stats-band .stat:last-child { border-right: none; }
}
.stat .num { font-family: var(--font-display); font-size: clamp(1.85rem, 3.4vw, 2.8rem); font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; letter-spacing: -0.03em; line-height: 1.05; }
.stat .num .suf { white-space: nowrap; }
.stat .num .suf { color: var(--cobalt); }
.stat .lbl { font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint); letter-spacing: .04em; margin-top: 8px; text-transform: uppercase; }

/* ===== Process / steps ========================================= */
.steps { display: grid; gap: 0; margin-top: 8px; border: 3px solid var(--ink); box-shadow: var(--shadow-sm); background: var(--paper-2); }
.step {
  display: grid; grid-template-columns: auto 1fr; gap: 22px;
  padding: 24px 22px; border-bottom: 2px solid var(--ink); position: relative;
}
.step:last-child { border-bottom: none; }
.step .st-no {
  font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--paper);
  background: var(--ink); width: 50px; height: 50px; display: grid; place-items: center; flex-shrink: 0;
}
.step:hover .st-no { background: var(--cobalt); }
.step .st-body { min-width: 0; }
.step h4 { font-size: 1.15rem; margin-bottom: 5px; display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: baseline; }
.step h4 .when { font-family: var(--font-mono); font-size: 11px; color: var(--signal-text); font-weight: 600; text-transform: none; }
.step p { font-size: 14px; margin: 0; }

/* ===== Testimonials ============================================ */
.testi-grid { display: grid; gap: 18px; grid-template-columns: 1fr; margin-top: 8px; }
@media (min-width: 760px) { .testi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .testi-grid { grid-template-columns: repeat(3, 1fr); } }
.testi {
  background: var(--paper-2); border: 2px solid var(--ink);
  padding: 24px 22px; display: flex; flex-direction: column; gap: 14px; min-width: 0;
  box-shadow: var(--shadow-sm);
}
.testi::before { content: "“"; font-family: var(--font-display); font-size: 3.4rem; line-height: .5; color: var(--signal); height: 26px; }
.testi p { font-size: 14px; color: var(--ink); margin: 0; line-height: 1.65; }
.testi .t-meta { margin-top: auto; padding-top: 12px; border-top: 2px solid var(--ink); }
.testi .t-name { font-family: var(--font-display); font-weight: 700; font-size: 14px; color: var(--ink); text-transform: uppercase; }
.testi .t-info { font-family: var(--font-mono); font-size: 11px; color: var(--cobalt); margin-top: 4px; font-weight: 600; }

/* ===== FAQ ===================================================== */
.faq { display: grid; gap: 14px; max-width: 860px; }
details.faq-item {
  background: var(--paper-2); border: 2px solid var(--ink);
  overflow: hidden; box-shadow: var(--shadow-sm);
}
details.faq-item summary {
  cursor: pointer; list-style: none; padding: 20px clamp(16px, 3vw, 24px);
  font-family: var(--font-display); font-weight: 700; font-size: 1rem; color: var(--ink);
  text-transform: uppercase; letter-spacing: -0.01em;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary .chev {
  width: 22px; height: 22px; flex-shrink: 0; color: var(--paper); background: var(--cobalt);
  padding: 3px; border: 2px solid var(--ink); box-sizing: border-box;
  transition: transform .3s var(--ease), background .2s;
}
details.faq-item[open] summary .chev { transform: rotate(45deg); background: var(--signal); }
details.faq-item > .answer {
  height: 0; padding: 0 clamp(16px, 3vw, 24px); overflow: hidden;
  transition: height 360ms var(--ease-2), padding-block-end 360ms var(--ease-2);
}
details.faq-item[open] > .answer { height: auto; padding-block-end: 22px; }
details.faq-item > .answer p { font-size: 14px; margin: 0; }
@media (prefers-reduced-motion: reduce) { details.faq-item > .answer { transition: none; } }

/* ===== Contact page ============================================ */
.contact-hero { padding: clamp(40px, 6vw, 76px) 0; min-height: 240px; }
.channel-grid {
  display: grid; gap: 18px; margin-top: 8px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
@media (min-width: 900px) { .channel-grid { grid-template-columns: repeat(3, 1fr); } }
.channel-card {
  background: var(--paper-2); border: 2px solid var(--ink);
  padding: 24px 22px; min-width: 0; box-shadow: var(--shadow-sm);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.channel-card:hover { transform: translate(-3px,-3px); box-shadow: 9px 9px 0 var(--cobalt); }
.channel-card .cc-icon {
  width: 50px; height: 50px; display: grid; place-items: center;
  background: var(--cobalt); border: 2px solid var(--ink); margin-bottom: 16px;
}
.channel-card .cc-icon svg { width: 24px; height: 24px; color: var(--paper); }
.channel-card h4 { font-size: 1rem; margin-bottom: 6px; }
.channel-card a, .channel-card .cc-val { font-family: var(--font-mono); font-size: 14px; color: var(--ink); word-break: break-word; overflow-wrap: anywhere; display: block; }
.channel-card a:hover { color: var(--signal-text); }
.channel-card .cc-sub { font-size: 12.5px; color: var(--ink-faint); margin-top: 8px; }

.hours-grid { display: grid; gap: 10px; margin-top: 8px; grid-template-columns: 1fr; max-width: 560px; }
@media (min-width: 480px) { .hours-grid { grid-template-columns: repeat(2, 1fr); } }
.hours-row {
  display: flex; justify-content: space-between; gap: 12px;
  background: var(--paper-2); border: 2px solid var(--ink);
  padding: 13px 16px; font-size: 13.5px;
}
.hours-row .day { color: var(--ink-soft); font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; }
.hours-row .hrs { font-family: var(--font-mono); color: var(--ink); font-variant-numeric: tabular-nums; font-weight: 600; }
.hours-row.today { background: var(--cobalt); border-color: var(--ink); }
.hours-row.today .day, .hours-row.today .hrs { color: var(--paper); }

/* ===== Forms =================================================== */
.form-wrap {
  background: var(--paper-2); border: 3px solid var(--ink);
  padding: clamp(22px, 4vw, 38px); box-shadow: var(--shadow);
}
form .form-grid { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 640px) { form .form-grid.two { grid-template-columns: 1fr 1fr; } }
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field label, .field > span.lbl {
  font-family: var(--font-mono); font-size: 12px; color: var(--ink); letter-spacing: .03em; text-transform: uppercase; font-weight: 600;
}
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field select,
.field textarea {
  width: 100%; background: var(--paper); color: var(--ink);
  border: 2px solid var(--ink); border-radius: 0;
  padding: 13px 15px; font-family: var(--font-body); font-size: 15px;
  transition: box-shadow .16s, background .16s;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; background: var(--paper); box-shadow: inset 0 0 0 2px var(--cobalt);
  border-color: var(--cobalt);
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-faint); }

.field.kvkk { flex-direction: row; align-items: flex-start; gap: 12px; }
.field.kvkk label { font-size: 12.5px; color: var(--ink-soft); line-height: 1.5; letter-spacing: 0; font-family: var(--font-body); text-transform: none; font-weight: 400; }
.field input[type="checkbox"] {
  appearance: auto; -webkit-appearance: auto;
  width: 18px; height: 18px; min-width: 18px; min-height: 18px;
  padding: 0; border: 0; margin: 2px 0 0; accent-color: var(--cobalt);
}
.form-foot { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.form-foot .fine { font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint); }

/* ===== Notes ==================================================== */
.notes-list { display: grid; gap: 0; max-width: 760px; margin-top: 8px; border: 3px solid var(--ink); box-shadow: var(--shadow-sm); background: var(--paper-2); }
.note-item {
  display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: baseline;
  padding: 18px 20px; border-bottom: 2px solid var(--ink);
}
.note-item:last-child { border-bottom: none; }
.note-item .nd { font-family: var(--font-mono); font-size: 11px; color: var(--paper); background: var(--ink); padding: 4px 8px; white-space: nowrap; font-weight: 600; }
.note-item .nt { font-size: 14px; color: var(--ink); }

/* ===== Team ==================================================== */
.team-grid { display: grid; gap: 20px; grid-template-columns: 1fr; margin-top: 8px; }
@media (min-width: 720px) { .team-grid { grid-template-columns: repeat(3, 1fr); } }
.team-card { background: var(--paper-2); border: 2px solid var(--ink); padding: 24px 22px; min-width: 0; box-shadow: var(--shadow-sm); transition: transform .2s var(--ease), box-shadow .2s var(--ease); }
.team-card:hover { transform: translate(-3px,-3px); box-shadow: 9px 9px 0 var(--cobalt); }
.team-card .tc-avatar {
  width: 58px; height: 58px; display: grid; place-items: center;
  background: var(--cobalt); border: 2px solid var(--ink);
  font-family: var(--font-display); font-weight: 700; font-size: 20px; color: var(--paper);
  margin-bottom: 16px;
}
.team-card h4 { font-size: 1.1rem; margin-bottom: 3px; }
.team-card .tc-role { font-family: var(--font-mono); font-size: 11px; color: var(--cobalt); letter-spacing: .04em; margin-bottom: 12px; font-weight: 600; }
.team-card p { font-size: 13.5px; margin: 0; }

/* ===== Manifesto ============================================== */
.manifesto { background: var(--ink); border-top: 3px solid var(--ink); }
.manifesto blockquote {
  margin: 0; max-width: 24ch; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2rem, 6.5vw, 5rem); line-height: 1.0; letter-spacing: -0.02em;
  color: var(--paper); text-transform: uppercase;
}
.manifesto blockquote .grad { color: var(--signal); }
.manifesto .m-cite { font-family: var(--font-mono); font-size: 12px; color: rgba(243,241,234,.6); margin-top: 24px; text-transform: uppercase; letter-spacing: .04em; }

/* ===== CTA band =============================================== */
.cta-band {
  background: var(--cobalt); border: 3px solid var(--ink); box-shadow: var(--shadow);
  padding: clamp(30px, 5vw, 60px);
  display: flex; flex-wrap: wrap; gap: 26px; align-items: center; justify-content: space-between;
}
.cta-band .cb-text { min-width: 260px; flex: 1; }
.cta-band .eyebrow { color: var(--paper); }
.cta-band .eyebrow::before { background: var(--signal); }
.cta-band h2 { font-size: clamp(1.7rem, 3.8vw, 2.6rem); color: var(--paper); }
.cta-band p { margin: 0; color: rgba(243,241,234,.9); }
.cta-band .btn-ghost { background: var(--paper); color: var(--ink); }
.cta-band .btn-ghost:hover { background: var(--ink); color: var(--paper); box-shadow: 1px 1px 0 var(--signal); }

/* ===== Footer ================================================= */
.site-footer {
  border-top: 3px solid var(--ink); background: var(--ink);
  color: var(--paper);
  padding: clamp(48px, 6vw, 72px) 0 30px;
}
.footer-grid { display: grid; gap: 34px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1.6fr 1fr 1fr; } }
.footer-brand .brand { margin-bottom: 16px; color: var(--paper); }
.footer-brand .brand span { color: var(--paper); }
.footer-brand .brand-mark { color: var(--paper); }
.footer-brand p { font-size: 13.5px; max-width: 44ch; color: rgba(243,241,234,.72); }
.site-footer .footer-col h5 {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--signal); margin: 0 0 16px; font-weight: 600;
}
.site-footer .footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer .footer-col a { font-size: 13.5px; color: rgba(243,241,234,.8); }
.site-footer .footer-col a:hover { color: var(--signal-text); }
.site-footer .fc-line { font-size: 13px; color: rgba(243,241,234,.8); font-family: var(--font-mono); word-break: break-word; overflow-wrap: anywhere; }

/* link list used on the sitemap page (light cards) */
.link-list { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 9px; }
.link-list li { min-width: 0; }
.link-list a {
  font-family: var(--font-mono); font-size: 13.5px; color: var(--cobalt);
  word-break: break-word; overflow-wrap: anywhere;
}
.link-list a:hover { color: var(--signal-text); }
.footer-bottom {
  margin-top: 44px; padding-top: 24px; border-top: 2px solid rgba(243,241,234,.2);
  display: flex; flex-wrap: wrap; gap: 14px 24px; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: 11.5px; color: rgba(243,241,234,.6);
}
.footer-bottom .legal { color: rgba(243,241,234,.6); }
.footer-bottom a { color: rgba(243,241,234,.6); }
.footer-bottom a:hover { color: var(--signal-text); }

/* ===== Cookie banner ========================================= */
.cookie-banner {
  position: fixed; bottom: 16px; left: 16px; right: 16px; max-width: 520px; margin: 0 auto;
  background: var(--paper); border: 3px solid var(--ink);
  padding: 22px 24px; z-index: 9999;
  transform: translateY(140%); opacity: 0;
  transition: transform 280ms var(--ease), opacity 240ms;
  box-shadow: var(--shadow);
}
@media (min-width: 720px) { .cookie-banner { left: 24px; right: auto; max-width: 430px; } }
.cookie-banner.is-visible { transform: translateY(0); opacity: 1; }
.cookie-banner h3 { font-size: 1.05rem; margin-bottom: 8px; }
.cookie-banner p { font-size: 12.5px; margin: 0 0 18px; color: var(--ink-soft); }
.cookie-banner p a { color: var(--cobalt); }
.cookie-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.cookie-actions button {
  font-family: var(--font-mono); font-size: 12px; padding: 12px 16px; min-height: 44px;
  border-radius: 0; cursor: pointer; border: 2px solid var(--ink); font-weight: 600;
  text-transform: uppercase; letter-spacing: .04em;
  transition: transform .16s var(--ease-2), background .18s, color .18s, box-shadow .16s; flex: 1; min-width: 120px;
}
.cookie-actions .c-accept { background: var(--cobalt); color: var(--paper); box-shadow: 3px 3px 0 var(--ink); }
.cookie-actions .c-accept:hover { background: var(--signal); color: var(--paper); transform: translate(2px,2px); box-shadow: 1px 1px 0 var(--ink); }
.cookie-actions .c-reject { background: var(--paper); color: var(--ink); }
.cookie-actions .c-reject:hover { background: var(--ink); color: var(--paper); }
.cookie-actions .c-settings { background: var(--paper); color: var(--ink-soft); }
.cookie-actions .c-settings:hover { color: var(--ink); border-color: var(--ink); }

/* ===== Reveal ================================================= */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
  transition-delay: calc(var(--i, 0) * 80ms);
}
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
}
html.no-js .reveal { opacity: 1; transform: none; }

/* ===== Generic content pages ================================= */
.doc { max-width: 800px; margin: 0 auto; }
.doc h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin-top: 1.8em; }
.doc h3 { font-size: 1.2rem; margin-top: 1.6em; }
.doc p, .doc li { color: var(--ink-soft); font-size: 15px; line-height: 1.75; }
.doc ul, .doc ol { padding-left: 1.3em; }
.doc li { margin-bottom: 8px; }
.doc .updated { font-family: var(--font-mono); font-size: 12px; color: var(--cobalt); margin-bottom: 2em; text-transform: uppercase; font-weight: 600; }
.doc a { word-break: break-word; overflow-wrap: anywhere; }

.page-hero {
  padding: clamp(48px, 8vw, 92px) 0 clamp(28px, 4vw, 44px);
  border-bottom: 3px solid var(--ink);
}
.page-hero .eyebrow { margin-bottom: 16px; }
.page-hero h1 { font-size: clamp(2.2rem, 6vw, 4rem); max-width: 20ch; letter-spacing: -0.02em; }
.page-hero p { max-width: 58ch; margin-top: 12px; }

/* thank-you */
.thanks { min-height: 62vh; display: grid; place-items: center; text-align: center; padding: 60px 0; }
.thanks .tk-icon {
  width: 76px; height: 76px; display: grid; place-items: center; margin: 0 auto 26px;
  background: var(--ok); border: 3px solid var(--ink); box-shadow: var(--shadow-sm);
}
.thanks .tk-icon svg { width: 40px; height: 40px; color: var(--paper); }
.thanks h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
.thanks p { max-width: 46ch; margin: 0 auto 30px; }

/* 404 */
.err { min-height: 66vh; display: grid; place-items: center; text-align: center; padding: 60px 0; }
.err .code { font-family: var(--font-display); font-weight: 700; font-size: clamp(4.5rem, 15vw, 9rem); color: var(--cobalt); line-height: .9; letter-spacing: -0.04em; }
.err h1 { font-size: clamp(1.7rem, 4vw, 2.6rem); margin-top: 12px; }
.err p { max-width: 42ch; margin: 14px auto 30px; }

/* utils */
.center { text-align: center; }
.mt-l { margin-top: clamp(32px, 5vw, 56px); }
.divider-note {
  font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint);
  letter-spacing: .04em; margin-top: 16px; text-transform: uppercase;
}
.badge-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.badge {
  font-family: var(--font-mono); font-size: 11px; color: var(--ink);
  border: 2px solid var(--ink); border-radius: 0; padding: 8px 14px;
  background: var(--paper-2); text-transform: uppercase; letter-spacing: .03em;
}
.badge b { color: var(--cobalt); font-weight: 700; }

@media (max-width: 640px) {
  .app-card, .channel-card, .price-card, .testi, .team-card, .spec-note { padding: 18px 16px; }
  .app-card .ac-icon svg { width: 26px; height: 26px; }
  .channel-card .cc-icon svg { width: 22px; height: 22px; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .step { grid-template-columns: auto 1fr; gap: 16px; padding: 20px 16px; }
  .step .st-no { width: 42px; height: 42px; font-size: 15px; }
  .data-overlay .ov-tag { font-size: 10px; padding: 5px 8px; }
  /* firing-curve labels stay legible when the SVG is scaled down */
  .firing-svg .axis-label { font-size: 15px; }
  .firing-svg .zone-label { font-size: 11px; }
}
/* leader-line callouts become illegible micro-text on narrow screens —
   the same values are listed in .layer-list right below the photo */
@media (max-width: 700px) { .kesit-photo .kesit-svg { display: none; } }

.scroll-progress{position:fixed;top:0;left:0;height:4px;width:0;background:var(--signal);z-index:9998;transition:width 80ms linear;pointer-events:none}

/* ===== HERO — full-bleed macro photo + hard data overlay ======= */
.hero {
  position: relative; min-height: calc(100svh - var(--header-h));
  display: flex; align-items: flex-end; overflow: hidden;
  border-bottom: 3px solid var(--ink);
}
.hero-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(180deg, rgba(8,8,10,.52) 0%, rgba(8,8,10,.38) 26%, rgba(8,8,10,.72) 62%, rgba(8,8,10,.93) 100%),
    linear-gradient(90deg, rgba(8,8,10,.42) 0%, rgba(8,8,10,.14) 62%, rgba(8,8,10,0) 100%);
}
.hero-inner {
  position: relative; z-index: 2; color: var(--paper);
  padding: clamp(28px,6vw,64px) 0 clamp(32px,5vw,56px);
  display: flex; flex-direction: column; gap: 22px; width: 100%;
}
.hero-codeline {
  font-family: var(--font-mono); font-size: 12px; color: var(--paper);
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px;
  letter-spacing: .03em; text-transform: uppercase;
  text-shadow: 0 1px 6px rgba(8,8,10,.85);
}
.hero-codeline .tag {
  color: var(--paper); background: var(--cobalt); border: 2px solid var(--paper);
  padding: 4px 10px; font-weight: 600;
}
.hero-codeline .dot { color: var(--signal); }
.hero h1 {
  font-size: clamp(2.8rem, 10.5vw, 4.5rem);
  line-height: .92; max-width: 16ch; letter-spacing: -0.025em;
  color: var(--paper); overflow-wrap: break-word; word-break: keep-all;
  text-shadow: 0 2px 24px rgba(8,8,10,.7), 0 1px 2px rgba(8,8,10,.55);
}
.hero h1 .grad {
  color: var(--signal);
  position: relative;
}
/* cobalt brush-underline animation */
.hero h1 .grad::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0.06em; height: 0.12em;
  background: var(--cobalt); transform: scaleX(0); transform-origin: left;
  transition: transform .8s var(--ease) .5s;
}
.reveal.is-in .grad::after, .hero h1.is-in .grad::after { transform: scaleX(1); }
.hero-sub { font-size: clamp(1.02rem, 2.2vw, 1.28rem); max-width: 54ch; color: rgba(243,241,234,.96); font-family: var(--font-body); text-shadow: 0 1px 8px rgba(8,8,10,.7); }

.spec-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.spec-chip {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .01em;
  background: var(--paper); border: 2px solid var(--ink);
  padding: 9px 13px; color: var(--ink); box-shadow: 3px 3px 0 rgba(12,13,16,.5);
  display: inline-flex; align-items: baseline; gap: 8px; text-transform: uppercase;
}
.spec-chip b { color: var(--cobalt); font-weight: 700; }
.spec-chip .k { color: var(--signal-text); font-weight: 600; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.hero .btn-ghost { background: transparent; color: var(--paper); border-color: var(--paper); box-shadow: 4px 4px 0 var(--cobalt); }
.hero .btn-ghost:hover { background: var(--paper); color: var(--ink); box-shadow: 1px 1px 0 var(--cobalt); }
.trust-strip {
  display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 2px;
  font-family: var(--font-mono); font-size: 11.5px; color: rgba(243,241,234,.95); text-transform: uppercase; letter-spacing: .03em;
  text-shadow: 0 1px 6px rgba(8,8,10,.8);
}
.trust-strip span { display: inline-flex; align-items: center; gap: 8px; }
.trust-strip svg { width: 16px; height: 16px; color: var(--signal); flex-shrink: 0; }

/* absolute data-overlay column on hero photo (desktop) */
.hero-dataov { position: absolute; top: calc(var(--header-h) + 22px); right: clamp(16px,4vw,40px); z-index: 2; display: none; flex-direction: column; gap: 10px; align-items: flex-end; }
@media (min-width: 900px) { .hero-dataov { display: flex; } }
.hero-dataov .ov-tag { font-size: 12px; padding: 8px 12px; }