/* ==========================================================================
   Thackle — one page
   White and grey only. Liquid glass over a slow-moving field.
   Type, grid and rhythm follow Apple's editorial pages; the material
   follows Liquid Glass — translucency, a specular edge that tracks the
   pointer, and concentric corner radii.
   ========================================================================== */

/* --- 1. tokens ---------------------------------------------------------- */

:root {
  --white:     #ffffff;
  --grey-50:   #fbfbfd;
  --grey-100:  #f5f5f7;
  --grey-200:  #ebebef;
  --grey-300:  #d2d2d7;
  --grey-500:  #86868b;
  --grey-600:  #6e6e73;
  --ink:       #1d1d1f;

  --bg:        var(--white);
  --bg-2:      var(--grey-100);
  --fg:        var(--ink);
  --fg-2:      var(--grey-600);
  --fg-3:      var(--grey-500);
  --line:      var(--grey-300);
  --line-soft: rgba(0, 0, 0, 0.07);

  /* liquid glass */
  --glass:       rgba(255, 255, 255, 0.62);
  --glass-solid: rgba(255, 255, 255, 0.86);
  --glass-blur:  saturate(180%) blur(28px);
  --rim-top:     rgba(255, 255, 255, 0.95);
  --rim-bottom:  rgba(255, 255, 255, 0.45);
  --rim-hair:    rgba(255, 255, 255, 0.55);
  --rim-bounce:  rgba(255, 255, 255, 0.95);
  --spec:        rgba(255, 255, 255, 0.75);
  --lift:
    0 1px 2px rgba(0, 0, 0, 0.03),
    0 8px 28px rgba(0, 0, 0, 0.06),
    0 24px 60px -20px rgba(0, 0, 0, 0.08);

  /* the blob field, read by JS */
  --blob-a: 214, 214, 220;
  --blob-b: 168, 168, 176;
  --blob-alpha: 0.55;

  /* the dust field, read by JS */
  --dust: 88, 88, 96;
  --dust-alpha: 0.5;
  --link-alpha: 0.28;

  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "Helvetica Neue", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

  /* Apple's editorial scale */
  --f-hero: clamp(2.75rem, 7.4vw, 5.6rem);
  --f-h2:   clamp(2rem, 4.6vw, 3.4rem);
  --f-h3:   clamp(1.3rem, 2vw, 1.6rem);
  --f-lead: clamp(1.16rem, 1.9vw, 1.55rem);
  --f-body: 1.0625rem;                        /* 17px, Apple's body */
  --f-sm:   0.9375rem;
  --f-xs:   0.75rem;

  --grid:    980px;
  --narrow:  720px;
  --pad:     clamp(22px, 5vw, 32px);
  --chapter: clamp(88px, 13vw, 172px);

  /* concentric radii — outer, then inner sits ~8px tighter */
  --r-out: 28px;
  --r-mid: 20px;
  --r-in:  12px;

  --ease:   cubic-bezier(0.28, 0.11, 0.32, 1);
  --spring: cubic-bezier(0.34, 1.4, 0.42, 1);

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #000000;
    --bg-2:      #101012;
    --fg:        #f5f5f7;
    --fg-2:      #a1a1a6;
    --fg-3:      #86868b;
    --line:      #38383a;
    --line-soft: rgba(255, 255, 255, 0.10);
    --glass:       rgba(255, 255, 255, 0.075);
    --glass-solid: rgba(28, 28, 30, 0.86);
    --rim-top:     rgba(255, 255, 255, 0.32);
    --rim-bottom:  rgba(255, 255, 255, 0.10);
    --rim-hair:    rgba(255, 255, 255, 0.14);
    --rim-bounce:  rgba(255, 255, 255, 0.30);
    --spec:        rgba(255, 255, 255, 0.16);
    --lift:
      0 1px 2px rgba(0, 0, 0, 0.5),
      0 8px 28px rgba(0, 0, 0, 0.55),
      0 24px 60px -20px rgba(0, 0, 0, 0.7);
    --blob-a: 92, 92, 100;
    --blob-b: 48, 48, 54;
    --blob-alpha: 0.85;
    --dust: 235, 235, 240;
    --dust-alpha: 0.42;
    --link-alpha: 0.2;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg:        #000000;
  --bg-2:      #101012;
  --fg:        #f5f5f7;
  --fg-2:      #a1a1a6;
  --fg-3:      #86868b;
  --line:      #38383a;
  --line-soft: rgba(255, 255, 255, 0.10);
  --glass:       rgba(255, 255, 255, 0.075);
  --glass-solid: rgba(28, 28, 30, 0.86);
  --rim-top:     rgba(255, 255, 255, 0.32);
  --rim-bottom:  rgba(255, 255, 255, 0.10);
  --rim-hair:    rgba(255, 255, 255, 0.14);
  --rim-bounce:  rgba(255, 255, 255, 0.30);
  --spec:        rgba(255, 255, 255, 0.16);
  --lift:
    0 1px 2px rgba(0, 0, 0, 0.5),
    0 8px 28px rgba(0, 0, 0, 0.55),
    0 24px 60px -20px rgba(0, 0, 0, 0.7);
  --blob-a: 92, 92, 100;
  --blob-b: 48, 48, 54;
  --blob-alpha: 0.85;
  --dust: 235, 235, 240;
  --dust-alpha: 0.42;
  --link-alpha: 0.2;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg:        #ffffff;
  --bg-2:      #f5f5f7;
  --fg:        #1d1d1f;
  --fg-2:      #6e6e73;
  --fg-3:      #86868b;
  --line:      #d2d2d7;
  --line-soft: rgba(0, 0, 0, 0.07);
  --glass:       rgba(255, 255, 255, 0.62);
  --glass-solid: rgba(255, 255, 255, 0.86);
  --rim-top:     rgba(255, 255, 255, 0.95);
  --rim-bottom:  rgba(255, 255, 255, 0.45);
  --rim-hair:    rgba(255, 255, 255, 0.55);
  --rim-bounce:  rgba(255, 255, 255, 0.95);
  --spec:        rgba(255, 255, 255, 0.75);
  --lift:
    0 1px 2px rgba(0, 0, 0, 0.03),
    0 8px 28px rgba(0, 0, 0, 0.06),
    0 24px 60px -20px rgba(0, 0, 0, 0.08);
  --blob-a: 214, 214, 220;
  --blob-b: 168, 168, 176;
  --blob-alpha: 0.55;
  --dust: 88, 88, 96;
  --dust-alpha: 0.5;
  --link-alpha: 0.28;
  color-scheme: light;
}

/* --- 2. base ------------------------------------------------------------ */

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: var(--f-body);
  line-height: 1.47;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* the two background fields, stacked: soft masses first, dust on top */
#liquid, #particles {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* No CSS filter here any more. A blur across the whole viewport had to be
   recomputed every time the canvas changed — on desktop just as much as on a
   phone — and it was the most expensive thing on the page. The masses are
   radial gradients that fade to nothing by themselves, and the canvas is
   drawn at a fraction of device resolution and stretched back up, which
   smooths them further. Same soft wash, none of the per-frame cost. */
#liquid {
  z-index: 0;
  opacity: 0.9;
}

/* Both fields get a compositor layer of their own, so scrolling the page
   doesn't drag them through a repaint. */
#liquid, #particles {
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* the tinted bands blur whatever is behind them too; one less full-width
   backdrop pass matters on a phone */
:root.lite .chapter--tint {
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  background: color-mix(in srgb, var(--bg-2) 94%, transparent);
}

/* The small controls sit inside a pane that is already glass, so blurring
   the backdrop a second time buys almost nothing and costs a full pass each.
   There are about thirty of them — the fields, the service capsules, the
   card buttons, the tile symbols, the stars — and they now take the same
   translucent surface without asking for live blur. Everywhere, not just on
   phones: this was most of the desktop cost too. */
/* Each selector is doubled with .glass deliberately: .glass is declared
   further down the file, so at equal weight it would win and this would do
   nothing. .star is not in the list — it carries no glass to begin with. */
.glass.control,
.glass.opt,
.glass.act,
.glass.toggle,
.glass.tile__i,
.glass.card__i {
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  background: var(--glass-solid);
}

/* On a small screen the panes become
   the same translucent surface without the live blur: the rim, the specular
   edge and the depth all survive, and scrolling stops fighting for the GPU. */
:root.lite .glass {
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  background: var(--glass-solid);
}

:root.lite .glass::before {
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

/* the dust reads as fine detail, so it stays sharp and sits above the goo.
   Tinted chapters blur it as they pass over, which puts it behind them. */
#particles {
  z-index: 1;
  opacity: 0.85;
}

main, header, footer { position: relative; z-index: 2; }

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

/* --- 2a. the mark -------------------------------------------------------
   A constellation of nodes picking out a "t" inside a quiet hexagon — the
   same idea as the dust field behind the page. Two layers, lit differently:
   the web sits back, the letter comes forward. Both take their colour from
   the type they sit with, so the mark inverts with the theme.
   ------------------------------------------------------------------------ */

.logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  color: var(--fg);
}

.mark {
  width: 1.85em;
  height: 1.85em;
  flex: none;
  overflow: visible;                  /* the glow spills past the box */
}

.mark__web { color: var(--fg-3); opacity: 0.5; }
.mark__t   { color: var(--fg); }

/* the nodes catch the light only where there's dark to catch it against */
:root[data-theme="dark"] .mark--lit .mark__t {
  filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.45));
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .mark--lit .mark__t {
    filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.45));
  }
}

.logo__w {
  font-size: 1.06em;
  font-weight: 700;
  letter-spacing: -0.038em;
  line-height: 1;
}

/* the hero lockup: mark, wordmark, then the line that says what we are */
.lockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}

.lockup .mark { width: clamp(46px, 7vw, 62px); height: clamp(46px, 7vw, 62px); }

.lockup__w {
  font-size: clamp(1.7rem, 3.4vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.042em;
  line-height: 1;
}

.lockup__t {
  font-size: var(--f-xs);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-3);
}

.foot__logo { flex-wrap: wrap; gap: 8px; }
.foot__logo .mark { width: 20px; height: 20px; }
.foot__logo .logo__w { font-size: var(--f-sm); }

.foot__tag {
  color: var(--fg-2);
  letter-spacing: 0.02em;
}

/* --- 2b. symbols --------------------------------------------------------
   Monoline, round-capped, weight tuned to sit beside text of the same size —
   the SF Symbols manner, drawn as our own outlines.
   ------------------------------------------------------------------------ */

.sprite {
  position: absolute;
  width: 0; height: 0;
  overflow: hidden;
}

.sf {
  width: 1.15em;
  height: 1.15em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* symbols carry the weight of the text they sit with */
strong .sf, .btn--solid .sf, b .sf { stroke-width: 2; }

a { color: inherit; }

::selection { background: var(--fg); color: var(--bg); }

:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 4px;
  border-radius: 6px;
}

.wrap {
  width: 100%;
  max-width: var(--grid);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.wrap--narrow { max-width: var(--narrow); }

.vh {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: absolute;
  top: -60px; left: var(--pad);
  z-index: 100;
  padding: 10px 18px;
  border-radius: 0 0 12px 12px;
  background: var(--fg);
  color: var(--bg);
  font-size: var(--f-sm);
  text-decoration: none;
  transition: top 0.3s var(--ease);
}
.skip:focus { top: 0; }

/* --- 3. type ------------------------------------------------------------ */

h1, h2, h3 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.06;
  text-wrap: balance;
}

h1 { font-size: var(--f-hero); letter-spacing: -0.035em; }
h2 { font-size: var(--f-h2); }
h3 { font-size: var(--f-h3); letter-spacing: -0.018em; line-height: 1.2; }

p { margin: 0; }

.eyebrow {
  font-size: var(--f-lead);
  font-weight: 600;
  letter-spacing: -0.014em;
  color: var(--fg-3);
}

.lead {
  font-size: var(--f-lead);
  line-height: 1.36;
  letter-spacing: -0.016em;
  color: var(--fg-2);
  text-wrap: pretty;
}

.body {
  color: var(--fg-2);
  max-width: 62ch;
  text-wrap: pretty;
}

.body + .body { margin-top: 1.15em; }

.body strong { color: var(--fg); font-weight: 600; }

.center { text-align: center; }
.center .body, .center .lead { margin-inline: auto; }

/* --- 4. liquid glass ----------------------------------------------------
   Three layers make the material read as glass rather than a tinted box:
   a blurred translucent body, a rim that catches light on the top edge and
   loses it on the bottom, and a specular bloom that follows the pointer.
   ------------------------------------------------------------------------ */

.glass {
  position: relative;
  background: var(--glass);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-radius: var(--r-out);
  isolation: isolate;
  overflow: hidden;
  /* the depth cue: a bright line along the top lip, a full hairline rim,
     light bouncing back off the inside of the bottom edge, then the panel
     lifting off the page */
  box-shadow:
    inset 0 1px 0 0 var(--rim-top),
    inset 0 0 0 1px var(--rim-hair),
    inset 0 -14px 28px -20px var(--rim-bounce),
    var(--lift);
}

/* the lens: a thicker band of refraction right at the edge, where real
   glass bends what's behind it most */
.glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: var(--lens, 7px);
  /* This band used to carry a second backdrop-filter, so every pane of glass
     asked the browser to blur what was behind it twice over — 88 live passes
     across the page, all recomputed on any scroll. The gradient alone still
     reads as a refracting edge; the extra blur was never the part you saw. */
  background: linear-gradient(
    150deg,
    var(--rim-top) 0%,
    transparent 30%,
    transparent 68%,
    var(--rim-bottom) 100%
  );
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
  z-index: 3;
}

/* specular bloom — position set from JS, opacity from hover */
.glass::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    circle 260px at var(--mx, 50%) var(--my, 0%),
    var(--spec),
    transparent 68%
  );
  opacity: 0;
  transition: opacity 0.5s var(--ease);
  pointer-events: none;
  z-index: 1;
}

.glass:hover::after,
.glass:focus-within::after { opacity: 1; }

.glass > * { position: relative; z-index: 2; }

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass { background: var(--glass-solid); }
}

/* --- 5. header ---------------------------------------------------------- */

/* a capsule of glass floating over the page, not a bar welded to the top */
.bar {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  width: min(100% - 24px, 720px);
  height: 52px;
  display: flex;
  align-items: center;
  border-radius: 980px;
  --lens: 5px;
  transition: box-shadow 0.5s var(--ease), width 0.5s var(--ease);
}

/* it tightens and sits down a little once you start reading */
.bar.is-stuck {
  width: min(100% - 24px, 640px);
}

.bar__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  max-width: none;
  padding-inline: 8px 8px;
  padding-left: 22px;
}

.bar__name {
  font-size: var(--f-sm);
  font-weight: 600;
  letter-spacing: -0.012em;
  text-decoration: none;
}

.bar__act { display: flex; align-items: center; gap: 8px; }

.bar__link {
  font-size: var(--f-sm);
  text-decoration: none;
  color: var(--fg-2);
  padding: 6px 4px;
  transition: color 0.3s var(--ease);
}
.bar__link:hover { color: var(--fg); }

.toggle {
  width: 36px; height: 36px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: var(--fg);
  cursor: pointer;
  padding: 0;
  --lens: 4px;
  transition: transform 0.4s var(--spring);
}
.toggle:hover { transform: scale(1.08); }
.toggle:active { transform: scale(0.94); }
.toggle .sf { width: 16px; height: 16px; }
.toggle .sun { display: none; }
:root[data-theme="dark"] .toggle .sun { display: block; }
:root[data-theme="dark"] .toggle .moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .toggle .sun { display: block; }
  :root:not([data-theme="light"]) .toggle .moon { display: none; }
}

/* --- 6. buttons --------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: var(--f-body);
  font-weight: 500;
  letter-spacing: -0.012em;
  text-decoration: none;
  padding: 13px 26px;
  border: 0;
  border-radius: 980px;              /* Apple's pill */
  cursor: pointer;
  transition: transform 0.35s var(--spring), background 0.3s var(--ease),
              opacity 0.3s var(--ease);
}

.btn:active { transform: scale(0.965); }

.btn--solid { background: var(--fg); color: var(--bg); }
.btn--solid:hover { opacity: 0.85; }

/* the symbol leans in the direction the button takes you */
.btn .sf { transition: transform 0.4s var(--spring); }
.btn:hover .sf { transform: translateX(2px); }
.btn--quiet:hover .sf { transform: none; }

/* the quiet twin is a glass capsule — see .glass, applied in the markup */
.btn--quiet {
  color: var(--fg);
  --lens: 5px;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.center .btn-row { justify-content: center; }

/* --- 7. hero ------------------------------------------------------------ */

.hero {
  min-height: min(88svh, 820px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-block: clamp(60px, 10vw, 110px) clamp(50px, 8vw, 90px);
}

.hero .eyebrow { margin-bottom: 14px; }
.hero h1 { max-width: 15ch; }
.hero .lead { margin: 26px auto 0; max-width: 30ch; }
.hero .btn-row { margin-top: 34px; }

/* the one line of hard data in the hero */
.hero__meta {
  margin-top: 40px;
  font-size: var(--f-sm);
  color: var(--fg-2);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  justify-content: center;
  /* a glass capsule around the status line */
  padding: 11px 22px;
  border-radius: 980px;
  --lens: 5px;
}

.hero__meta span { display: inline-flex; align-items: center; gap: 8px; }

.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--fg-3);
  flex: none;
}

.dot--live {
  background: var(--fg);
  animation: breathe 2.8s var(--ease) infinite;
}

@keyframes breathe {
  0%, 100% { opacity: 1;   transform: scale(1); }
  50%      { opacity: 0.45; transform: scale(0.82); }
}

/* --- 8. chapters -------------------------------------------------------- */

.chapter { padding-block: var(--chapter); }

/* tinted bands stay slightly open so the field still moves underneath them */
.chapter--tint {
  background: color-mix(in srgb, var(--bg-2) 84%, transparent);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  border-block: 1px solid var(--line-soft);
}

.chapter__head { margin-bottom: clamp(32px, 5vw, 56px); }
.chapter__head h2 { max-width: 20ch; }
.center.chapter__head h2 { margin-inline: auto; }
.chapter__head .lead { margin-top: 18px; max-width: 52ch; }

/* --- 9. specs ----------------------------------------------------------- */

/* a grouped list on a single sheet of glass, the way a settings pane reads */
.specs {
  margin: 0;
  padding-inline: clamp(20px, 3.2vw, 30px);
  border-radius: var(--r-out);
}

.spec {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding-block: 18px;
  border-bottom: 1px solid var(--line-soft);
}

/* dividers run between rows only, never against the glass edge */
.spec:last-child { border-bottom: 0; }

.spec dt {
  font-size: var(--f-sm);
  color: var(--fg-2);
}

.spec dd {
  margin: 0;
  font-weight: 500;
  letter-spacing: -0.014em;
}

@media (min-width: 640px) {
  .spec {
    grid-template-columns: 13rem 1fr;
    gap: 24px;
    align-items: baseline;
  }
}

/* --- 9b. services grid --------------------------------------------------- */

/* the column count is decided by how much room a tile needs, not by a
   guessed breakpoint — one, two or three across, whatever the screen is */
.grid {
  container-type: inline-size;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
}

.tile {
  padding: clamp(22px, 3vw, 28px);
  border-radius: var(--r-out);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.45s var(--spring);
}

.tile:hover { transform: translateY(-3px); }

/* a smaller pane of glass carrying the symbol, one radius step in */
.tile__i {
  --lens: 3px;
  width: 44px; height: 44px;
  border-radius: var(--r-in);
  display: grid;
  place-items: center;
  margin-bottom: 6px;
  color: var(--fg);
}

.tile__i .sf { width: 21px; height: 21px; }

/* Below this the row is down to a single column, so each tile is wide — and
   a wide tile reads better with the symbol beside the heading than above it.
   (auto-fit above holds one column until 260px × 2 + the gap.) */
@container (max-width: 533px) {
  .tile {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 6px 16px;
    align-items: center;
  }
  .tile__i { margin-bottom: 0; }
  .tile__p { grid-column: 2; }
}

.tile__p {
  color: var(--fg-2);
  font-size: var(--f-sm);
  line-height: 1.5;
  text-wrap: pretty;
}

/* --- 9c. form ------------------------------------------------------------
   One sheet of glass. The controls sit a radius tighter than the sheet, so
   the corners stay concentric with it.
   ------------------------------------------------------------------------ */

.form {
  padding: clamp(24px, 4vw, 38px);
  border-radius: var(--r-out);
  display: grid;
  gap: clamp(22px, 3vw, 28px);
}

.field { display: grid; gap: 8px; }

/* display on .field would otherwise beat the browser's [hidden] rule */
.field[hidden] { display: none; }

.field__l {
  display: block;
  font-size: var(--f-sm);
  font-weight: 600;
  letter-spacing: -0.012em;
}

.field__h {
  font-size: var(--f-xs);
  color: var(--fg-3);
  margin-top: -2px;
}

.opt-tag {
  font-weight: 400;
  color: var(--fg-3);
}

/* Each control is its own pane of glass with the symbol set into it, and the
   field it holds is transparent — so what you type sits on the material
   rather than in a box drawn on top of it. */
.control {
  --lens: 4px;
  display: flex;
  align-items: center;
  gap: 11px;
  padding-inline: 15px;
  border-radius: var(--r-mid);
  transition: box-shadow 0.3s var(--ease), transform 0.4s var(--spring);
}

.control--area { align-items: flex-start; padding-top: 14px; }

.control__i { color: var(--fg-3); transition: color 0.3s var(--ease); }

.control:focus-within .control__i { color: var(--fg); }

.control:focus-within {
  box-shadow:
    inset 0 1px 0 0 var(--rim-top),
    inset 0 0 0 1.5px var(--fg),
    var(--lift);
}

.control.is-bad {
  box-shadow:
    inset 0 1px 0 0 var(--rim-top),
    inset 0 0 0 1.5px var(--fg),
    var(--lift);
}

.input {
  width: 100%;
  min-width: 0;
  font-family: inherit;
  font-size: var(--f-body);
  letter-spacing: -0.011em;
  color: var(--fg);
  background: transparent;
  border: 0;
  border-radius: inherit;
  padding: 14px 0;
  /* the pane draws the focus ring, so the field itself shows none */
  outline: 0;
}

.input::placeholder { color: var(--fg-3); }

.input--area {
  resize: vertical;
  min-height: 104px;
  line-height: 1.45;
  padding-top: 0;
  padding-bottom: 14px;
}

/* selectable capsules of glass — the checkbox is hidden, the pane is the
   target, and the columns re-flow to whatever width they're given */
.opts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 10px;
  margin-top: 2px;
}

.opt {
  --lens: 4px;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 13px 18px 13px 14px;
  border-radius: 980px;
  font-size: var(--f-sm);
  line-height: 1.3;
  cursor: pointer;
  user-select: none;
  transition: transform 0.35s var(--spring);
}

.opt:active { transform: scale(0.97); }

.opt input {
  position: absolute;
  opacity: 0;
  width: 1px; height: 1px;
  margin: 0;
}

.opt__box {
  flex: none;
  width: 20px; height: 20px;
  border-radius: 7px;
  border: 1.5px solid var(--line);
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  display: grid;
  place-items: center;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.opt__box .sf {
  width: 13px; height: 13px;
  stroke-width: 2.6;
  color: var(--bg);
  opacity: 0;
  transform: scale(0.5);
  transition: opacity 0.2s var(--ease), transform 0.35s var(--spring);
}

/* the symbol naming the service dims until the option is taken */
.opt__i {
  color: var(--fg-3);
  transition: color 0.25s var(--ease);
}

.opt__t { min-width: 0; }

.opt input:checked ~ .opt__box {
  background: var(--fg);
  border-color: var(--fg);
}

.opt input:checked ~ .opt__box .sf { opacity: 1; transform: none; }

.opt input:checked ~ .opt__i { color: var(--fg); }

.opt input:checked ~ .opt__t { font-weight: 600; }

.opt input:focus-visible ~ .opt__box {
  outline: 2px solid var(--fg);
  outline-offset: 3px;
}

.field--other { animation: slot 0.45s var(--ease); }

@keyframes slot {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: none; }
}

.err {
  font-size: var(--f-xs);
  color: var(--fg);
  font-weight: 500;
  display: none;
}

.err.is-on { display: block; }

/* the honeypot has to be reachable to bots and invisible to everyone else */
.trap {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  overflow: hidden;
}

.form__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
}

.form__foot .btn[disabled] { opacity: 0.5; cursor: default; }

.status {
  font-size: var(--f-sm);
  color: var(--fg-2);
  text-wrap: pretty;
}

.status.is-bad { color: var(--fg); font-weight: 500; }

/* the plain-language note about what happens to what they just typed */
.fine {
  font-size: var(--f-xs);
  line-height: 1.5;
  color: var(--fg-3);
  text-wrap: pretty;
  max-width: 58ch;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

/* the panel that replaces the form once it's away */
.sent {
  padding: clamp(28px, 4vw, 40px);
  border-radius: var(--r-out);
  text-align: center;
  display: grid;
  gap: 10px;
  justify-items: center;
}

.sent__tick {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--fg);
  color: var(--bg);
  display: grid;
  place-items: center;
  margin-bottom: 6px;
}

.sent__tick .sf { width: 22px; height: 22px; stroke-width: 2.4; }

/* --- 9c-2. reviews -------------------------------------------------------
   Published reviews first, then the form a past client fills in. The list
   is empty until real ones come in, and says so rather than pretending.
   ------------------------------------------------------------------------ */

.reviews {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}

/* display on .reviews would otherwise beat the browser's [hidden] rule */
.reviews[hidden] { display: none; }

.review {
  margin: 0;
  padding: clamp(22px, 3vw, 28px);
  border-radius: var(--r-out);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.45s var(--spring);
}

.review:hover { transform: translateY(-3px); }

.review__stars { display: flex; gap: 3px; color: var(--fg); }

.review__stars .sf {
  width: 16px; height: 16px;
  fill: currentColor;
  stroke-width: 1.2;
}

.review__q {
  margin: 0;
  color: var(--fg-2);
  text-wrap: pretty;
  flex: 1;
}

.review__by {
  display: grid;
  gap: 1px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.review__n { font-weight: 600; letter-spacing: -0.014em; }
.review__b { font-size: var(--f-sm); color: var(--fg-3); }

/* the honest empty state — it takes itself off the page once a review lands */
.reviews__none {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  padding: clamp(24px, 4vw, 34px);
  border-radius: var(--r-out);
  text-align: center;
  color: var(--fg-2);
  font-size: var(--f-sm);
  text-wrap: pretty;
}

.reviews__none .sf { color: var(--fg-3); }

.review-form { margin: clamp(44px, 7vw, 76px) auto 0; }

.review-form .chapter__head { margin-bottom: clamp(24px, 4vw, 36px); }
.review-form .chapter__head h3 { max-width: 22ch; margin-inline: auto; }
.review-form .lead { font-size: var(--f-body); }

/* the rating: five real radios wearing stars */
.rate-field {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.rate-field legend { padding: 0; }

.rate {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

.star {
  cursor: pointer;
  padding: 4px;
  border-radius: 10px;
  color: var(--fg-3);
  transition: transform 0.35s var(--spring), color 0.2s var(--ease);
}

.star input {
  position: absolute;
  opacity: 0;
  width: 1px; height: 1px;
  margin: 0;
}

.star .sf {
  width: 27px; height: 27px;
  fill: none;
  transition: fill 0.2s var(--ease);
}

.star:hover { transform: scale(1.12); }
.star:active { transform: scale(0.94); }

/* filled up to the star being pointed at, or the one already chosen */
.star.is-on { color: var(--fg); }
.star.is-on .sf { fill: currentColor; stroke-width: 1.2; }

.star input:focus-visible ~ .sf {
  outline: 2px solid var(--fg);
  outline-offset: 3px;
  border-radius: 4px;
}

.rate__t {
  margin-left: 8px;
  font-size: var(--f-sm);
  color: var(--fg-2);
  min-height: 1em;
}

/* --- 9d. people ---------------------------------------------------------- */

.people {
  display: grid;
  gap: 14px;
  max-width: 620px;
  margin: 0 auto clamp(18px, 3vw, 26px);
}

@media (min-width: 640px) {
  .people { grid-template-columns: repeat(2, 1fr); }
}

.person {
  padding: clamp(22px, 3.4vw, 28px);
  border-radius: var(--r-out);
  display: grid;
  gap: 4px;
  text-align: center;
  transition: transform 0.45s var(--spring);
}

.person:hover { transform: translateY(-3px); }

.person__n {
  font-size: clamp(1.05rem, 2.1vw, 1.3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.person__r {
  font-size: var(--f-sm);
  color: var(--fg-2);
}

/* --- 10. contact -------------------------------------------------------- */

/* two numbers side by side where there's room, stacked where there isn't */
.contact {
  display: grid;
  gap: 14px;
  /* wider than the other grids: each card carries a number and two actions,
     and "WhatsApp" is only useful if the word actually fits */
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 390px), 1fr));
  max-width: 880px;
  margin-inline: auto;
}

.card {
  container-type: inline-size;
  padding: clamp(20px, 3vw, 26px);
  border-radius: var(--r-out);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  text-decoration: none;
  transition: transform 0.45s var(--spring);
}

.card:hover { transform: translateY(-3px); }

/* the number keeps its line; if the buttons won't also fit, they take the
   next row rather than crushing it */
.card { flex-wrap: wrap; row-gap: 16px; }

.card > a {
  text-decoration: none;
  flex: 1 1 210px;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 14px;
}

.card__i {
  --lens: 3px;
  flex: none;
  width: 42px; height: 42px;
  border-radius: var(--r-in);
  display: grid;
  place-items: center;
  color: var(--fg);
}

.card__i .sf { width: 20px; height: 20px; }

.card__txt { min-width: 0; }

.card__k {
  display: block;
  font-size: var(--f-xs);
  color: var(--fg-2);
  margin-bottom: 3px;
}

.card__v {
  display: block;
  font-size: clamp(1.02rem, 1.8vw, 1.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  white-space: nowrap;              /* a phone number never reads well broken */
}

.card__do { display: flex; align-items: center; gap: 8px; flex: none; margin-left: auto; }

/* the two things you can do with a number: message it, or take it away */
.act {
  --lens: 3px;
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 0;
  border-radius: 980px;
  padding: 9px 15px;
  font-family: inherit;
  font-size: var(--f-sm);
  font-weight: 500;
  color: var(--fg);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.35s var(--spring), background 0.3s var(--ease),
              color 0.3s var(--ease);
}

.act:hover { transform: scale(1.04); }
.act:active { transform: scale(0.95); }

.copy[data-state="done"] { background: var(--fg); color: var(--bg); }

/* A last resort for very small screens only. The actions take their own row
   long before this, so they normally have the full card width and keep their
   words — "WhatsApp" has to be readable, since a bare speech bubble doesn't
   tell anyone which app it opens. */
@container (max-width: 235px) {
  .act__t { display: none; }
  .act { padding: 10px; }
}

/* --- 11. footer --------------------------------------------------------- */

.foot {
  border-top: 1px solid var(--line-soft);
  padding-block: 34px 40px;
  font-size: var(--f-xs);
  color: var(--fg-2);
}

.foot__in {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
}

/* --- 11b. adaptive ------------------------------------------------------
   The layout answers three questions rather than one width: how much room
   is there, what is pointing at it, and which way is the device held.
   ------------------------------------------------------------------------ */

/* a finger needs a bigger target than a cursor does */
@media (pointer: coarse) {
  .opt { padding-block: 15px; }
  .copy { padding: 12px 17px; }
  .toggle { width: 42px; height: 42px; }
  .btn { padding: 15px 28px; }
  .input { padding-block: 16px; }
  .control--area { padding-top: 16px; }
  .bar__link { padding: 10px 6px; }
}

/* a phone on its side has almost no height to spend on a hero */
@media (orientation: landscape) and (max-height: 560px) {
  .hero { min-height: auto; padding-block: 96px 56px; }
  .hero__meta { margin-top: 26px; }
  .chapter { padding-block: clamp(56px, 9vw, 96px); }
}

/* the narrowest phones: the bar keeps the name and the two controls only */
@media (max-width: 430px) {
  .bar__in { padding-left: 18px; }
  .bar__link[href="#services"] { display: none; }
  .form__foot .btn { width: 100%; }
  .form__foot { justify-content: center; text-align: center; }
}

/* very wide screens get more gutter, not more line length */
@media (min-width: 1400px) {
  :root { --pad: 48px; }
}

/* --- 12. motion --------------------------------------------------------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: calc(var(--i, 0) * 90ms);
}

[data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  /* both fields are drawn once and left still. #liquid used to get a blur
     back here; it no longer needs one, and paying for a full-viewport
     filter made least sense of all for someone who asked for less motion. */
  #particles { opacity: 0.55; }
}