/* ==========================================================================
   Devotion Software — styles
   Every colour, font, size, radius and spacing value is a custom property
   in the :root block below. Retune the site from there.
   ========================================================================== */

:root {
  /* — Colour: base — */
  --color-bg: #f3f2f2;
  --color-surface: #eae9e9;
  --color-text: #201e1d;
  --color-on-accent: var(--color-bg);
  --color-accent: #ec3013;

  /* Accent ramp derives from --color-accent, so changing one value
     (or using the picker in the header) recolours everything. */
  --color-accent-400: color-mix(in oklch, var(--color-accent) 65%, white);
  --color-accent-600: color-mix(in oklch, var(--color-accent) 88%, black);
  --color-accent-700: color-mix(in oklch, var(--color-accent) 70%, black);

  /* — Colour: derived ink — */
  --ink-accent: var(--color-accent-700);
  --ink-muted: color-mix(in srgb, var(--color-text) 72%, transparent);
  --ink-label: color-mix(in srgb, var(--color-text) 70%, transparent);
  --color-divider: color-mix(in srgb, var(--color-text) 40%, transparent);
  --grid-line: color-mix(in srgb, var(--color-text) 9%, transparent);
  --selection: color-mix(in srgb, var(--color-accent) 30%, transparent);

  /* — Glass — */
  --glass-blur: 18px;
  --glass-saturate: 140%;
  --glass-opacity: 55%;
  --glass-opacity-strong: 80%;
  --glass-bg: color-mix(in srgb, var(--color-bg) var(--glass-opacity), transparent);
  --glass-bg-strong: color-mix(in srgb, var(--color-bg) var(--glass-opacity-strong), transparent);
  --glass-border: color-mix(in srgb, var(--color-text) 22%, transparent);

  /* Large content panels (hero, about) */
  --panel-bg: var(--glass-bg);
  --panel-border: var(--glass-border);
  --panel-blur: var(--glass-blur);
  --panel-shadow: var(--shadow-lg);
  --panel-pad: clamp(28px, 5vw, 56px);

  /* — Elevation — */
  --shadow-ink: #2d2b2b;
  --shadow-md: 0 3px 10px color-mix(in srgb, var(--shadow-ink) 16%, transparent);
  --shadow-lg: 0 12px 32px color-mix(in srgb, var(--shadow-ink) 22%, transparent);

  /* — Typography — */
  --font-heading: "Archivo", system-ui, sans-serif;
  --font-body: "Archivo", system-ui, sans-serif;
  --font-heading-weight: 800;
  --font-strong-weight: 600;

  --fs-xs: 12px;
  --fs-sm: 13px;
  --fs-btn: 14px;
  --fs-base: 15px;
  --fs-md: 16px;
  --fs-lg: 17px;
  --fs-xl: 20px;
  --fs-h3: 22px;
  --fs-hero: clamp(40px, 6vw, 84px);
  --fs-hero-sub: clamp(22px, 2.4vw, 30px);
  --fs-section: clamp(28px, 3vw, 40px);
  --fs-about: clamp(30px, 3.4vw, 46px);
  --fs-card-title: clamp(30px, 3.4vw, 44px);
  --fs-contact: clamp(36px, 5vw, 68px);
  --fs-thanks: 28px;

  --lh-tight: 1.05;
  --lh-heading: 1.12;
  --lh-body: 1.6;
  --tracking-tight: -0.025em;
  --tracking-snug: -0.01em;
  --tracking-caps: 0.06em;

  /* — Spacing — */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --edge: clamp(20px, 5vw, 72px);
  --section-gap: clamp(72px, 12vh, 140px);
  --hero-pad-top: clamp(64px, 12vh, 140px);
  --hero-pad-bottom: clamp(56px, 10vh, 112px);
  --maxw: 1200px;
  --header-offset: 80px;

  /* — Shape — */
  --radius: 24px;
  --radius-sm: calc(var(--radius) * 0.5);
  --radius-card: var(--radius);
  --radius-panel: calc(var(--radius) * 1.25);
  --radius-contact: clamp(28px, 4vw, 56px);
  --radius-pill: 999px;

  /* — Layout — */
  --proj-cols: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  --card-min-h: 220px;

  /* — Motion — */
  --dur-fast: 160ms;
  --dur-slow: 300ms;
  --lift: -3px;

  /* — Cursor glow & hover preview — */
  --glow-size: 560px;
  --glow-opacity: 0;
  --preview-w: 300px;

  /* Live pointer/scroll values, written by main.js */
  --mx: 0; --my: 0; --sy: 0; --px: -9999; --py: -9999;

  color-scheme: light;
}

/* — Dark theme — */
:root[data-theme="dark"] {
  --color-bg: #2d2b2b;
  --color-surface: #444141;
  --color-text: #f8f4f4;
  --color-divider: color-mix(in srgb, var(--color-text) 35%, transparent);
  --ink-accent: var(--color-accent-400);
  --shadow-ink: #000;
  color-scheme: dark;
}

:root[data-glow="on"] { --glow-opacity: 1; }

/* ==========================================================================
   Base
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.55;
  text-wrap: pretty;
  overflow-x: clip;
  transition: background var(--dur-slow), color var(--dur-slow);
}
h1, h2, h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
}
p { margin: 0; }
a { color: var(--color-text); text-underline-offset: 3px; }
a:hover { color: var(--color-accent); }
img { display: block; max-width: 100%; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: var(--selection); }

.hi { color: var(--color-accent); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border);
}
.glass-strong { background: var(--glass-bg-strong); }

.panel {
  background: var(--panel-bg);
  backdrop-filter: blur(var(--panel-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--panel-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-panel);
  box-shadow: var(--panel-shadow);
  padding: var(--panel-pad);
}

.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--edge) var(--section-gap);
  scroll-margin-top: var(--header-offset);
}

/* ==========================================================================
   Buttons & form controls
   ========================================================================== */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: var(--fs-btn); line-height: 1.2;
  color: var(--color-text);
  background: transparent; border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2);
  border-radius: var(--radius-pill);
  transition: background var(--dur-fast), color var(--dur-fast);
}
.btn svg { display: block; }
.btn-primary { background: var(--color-accent); color: var(--color-on-accent); }
.btn-primary:hover { background: var(--color-accent-600); color: var(--color-on-accent); }
.btn-primary:active { background: var(--color-accent-700); }
.btn-ghost { color: var(--color-accent); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); color: var(--color-accent); }
.btn-ghost:active { background: color-mix(in srgb, var(--color-accent) 18%, transparent); }
.btn-icon { width: 40px; height: 40px; padding: 0; border-radius: 50%; }
.btn-split { justify-content: space-between; }

.field { display: grid; gap: var(--space-2); }
.field > label { font-size: var(--fs-xs); color: var(--ink-label); }
.input {
  width: 100%; min-height: 36px; padding: 6px 10px;
  font: inherit; font-size: var(--fs-btn);
  color: var(--color-text); caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-sm);
}
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }
textarea.input { min-height: 90px; resize: vertical; font-family: var(--font-body); }

/* ==========================================================================
   Background
   ========================================================================== */

.bg {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none; overflow: hidden;
}
.bg > * { position: absolute; }
.shape { aspect-ratio: 1; border-radius: 50%; }

/* Each layer moves with the pointer (--mx/--my) and scroll (--sy) at its own depth. */
.parallax {
  transform: translate(
    calc(var(--mx) * var(--depth) * 1px),
    calc(var(--my) * var(--depth) * 1px - var(--sy) * var(--scroll-depth) * 1px)
  );
}

.ring { border: 1px solid var(--grid-line); }
.ring-1 { top: -30vmax; left: -20vmax; width: 90vmax; --depth: -12; --scroll-depth: 0.08; }
.ring-2 { top: 40vh; right: -30vmax; width: 70vmax; --depth: 16; --scroll-depth: 0.12; }

.blob-1 { top: 90px; right: 6vw; width: clamp(220px, 36vw, 560px); background: var(--color-accent); --depth: 40; --scroll-depth: 0.35; }
.blob-2 { top: 62vh; left: -4vw; width: clamp(140px, 22vw, 340px); background: var(--color-text); --depth: -28; --scroll-depth: 0.2; }
.blob-3 { top: 120vh; right: 18vw; width: clamp(90px, 13vw, 200px); background: var(--color-accent); --depth: 56; --scroll-depth: 0.6; }
.blob-4 { top: 34vh; left: 44vw; width: clamp(48px, 7vw, 110px); border: 10px solid var(--color-accent); --depth: 70; --scroll-depth: 0.5; }

.glow {
  left: calc(var(--px) * 1px); top: calc(var(--py) * 1px);
  width: var(--glow-size); aspect-ratio: 1;
  transform: translate(-50%, -50%);
  opacity: var(--glow-opacity);
  background: radial-gradient(circle,
    color-mix(in srgb, var(--color-accent) 55%, transparent) 0%,
    color-mix(in srgb, var(--color-accent) 18%, transparent) 35%,
    transparent 68%);
  transition: opacity var(--dur-slow);
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky; top: var(--space-3); z-index: 10;
  margin-top: var(--space-3);
  padding: 0 var(--edge);
}
.site-header__bar {
  max-width: calc(var(--maxw) - 2 * var(--edge));
  margin: 0 auto;
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-6);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
  display: flex; flex-wrap: wrap; align-items: center;
  gap: var(--space-4) var(--space-6);
}
.brand {
  display: flex; align-items: center; gap: var(--space-3);
  margin-right: auto;
  text-decoration: none; color: var(--color-text);
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: var(--fs-lg); letter-spacing: var(--tracking-snug);
}
.brand__dot { width: 16px; height: 16px; border-radius: 50%; background: var(--color-accent); }
.nav { display: flex; gap: var(--space-6); font-size: var(--fs-base); }
.nav a { text-decoration: none; }

.accent-picker {
  position: relative;
  display: flex; align-items: center; gap: var(--space-2);
  height: 36px; padding: 0 var(--space-3) 0 6px;
  border: 1px solid var(--glass-border); border-radius: var(--radius-pill);
  cursor: pointer;
  font-size: var(--fs-sm); font-feature-settings: "tnum" 1;
  text-transform: uppercase; letter-spacing: 0.04em;
  transition: border-color var(--dur-fast);
}
.accent-picker:hover,
.accent-picker:focus-within { border-color: var(--color-accent); }
.accent-picker__swatch {
  width: 24px; height: 24px; border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--color-text) 20%, transparent);
}
.accent-picker input {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0; cursor: pointer; border: 0; padding: 0;
}

/* ==========================================================================
   Hero
   ========================================================================== */

main { position: relative; z-index: 1; }

.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--hero-pad-top) var(--edge) var(--hero-pad-bottom);
}
.hero .panel { max-width: 820px; }
.hero h1 {
  margin-left: -0.05em;
  font-size: var(--fs-hero); line-height: 1.03; letter-spacing: var(--tracking-tight);
}
.hero__sub {
  margin-top: var(--space-6);
  font-family: var(--font-heading); font-weight: var(--font-strong-weight);
  font-size: var(--fs-hero-sub); line-height: 1.25; letter-spacing: var(--tracking-snug);
  color: var(--ink-accent);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
.hero__actions .btn-primary { min-width: 200px; }

/* ==========================================================================
   Projects
   ========================================================================== */

.projects__bar {
  padding: var(--space-6) clamp(20px, 3vw, 32px);
  border-radius: var(--radius-panel);
  display: flex; flex-wrap: wrap; align-items: center;
  gap: var(--space-4) var(--space-8);
}
.projects__bar h2 {
  margin-right: auto;
  font-size: var(--fs-section); letter-spacing: -0.02em; line-height: 1.1;
}
.projects__count { color: var(--ink-muted); font-weight: 500; }
.filters { display: flex; flex-wrap: wrap; gap: var(--space-2); }

.grid {
  display: grid; grid-template-columns: var(--proj-cols);
  gap: var(--space-4); margin-top: var(--space-4);
}
.grid__status { color: var(--ink-muted); padding: var(--space-6); }

.card {
  display: flex; flex-direction: column; gap: var(--space-3);
  min-height: var(--card-min-h);
  padding: clamp(20px, 2.5vw, 32px);
  border-radius: var(--radius-card);
  text-decoration: none; color: var(--color-text);
  transition: background var(--dur-fast), border-color var(--dur-fast),
              transform var(--dur-fast), box-shadow var(--dur-fast);
  animation: card-in var(--dur-slow) both;
}
.card:hover, .card:focus-visible {
  background: var(--glass-bg-strong);
  border-color: var(--color-accent);
  transform: translateY(var(--lift));
  box-shadow: var(--shadow-lg);
  color: var(--color-text);
}
.card__meta {
  display: flex; align-items: center; gap: var(--space-3);
  font-size: var(--fs-sm); letter-spacing: var(--tracking-caps); text-transform: uppercase;
  font-feature-settings: "tnum" 1;
}
.card__num {
  width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--glass-border);
  font-weight: var(--font-strong-weight); letter-spacing: 0;
}
.card__tags { color: var(--ink-muted); }
.card h3 {
  margin-top: auto; padding-top: var(--space-8);
  font-size: var(--fs-card-title); letter-spacing: var(--tracking-tight); line-height: var(--lh-tight);
}
.card__foot { display: flex; align-items: center; gap: var(--space-3); padding-top: var(--space-2); }
.card__desc { font-size: var(--fs-lg); color: var(--ink-muted); }
.card__arrow {
  margin-left: auto; flex: none; color: var(--color-accent);
  transition: transform var(--dur-fast);
}
.card:hover .card__arrow { transform: translate(3px, -3px); }

@keyframes card-in {
  from { opacity: 0; transform: translateY(12px); }
}

/* ==========================================================================
   About
   ========================================================================== */

.about {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--space-8) clamp(32px, 5vw, 80px);
}
.eyebrow {
  margin-bottom: var(--space-4);
  font-size: var(--fs-sm); letter-spacing: 0.08em; text-transform: uppercase;
  font-weight: var(--font-strong-weight); color: var(--ink-accent);
}
.about h2 {
  font-size: var(--fs-about); line-height: 1.08; letter-spacing: -0.02em; max-width: 14ch;
}
.approach { list-style: none; margin: 0; padding: 0; display: grid; }
.approach li {
  display: grid; grid-template-columns: 40px minmax(0, 1fr); align-items: start;
  gap: var(--space-2) var(--space-4);
  padding: var(--space-6) 0;
  border-top: 1px solid var(--glass-border);
}
.approach__num {
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--color-accent) 14%, transparent);
  color: var(--ink-accent);
  font-weight: var(--font-strong-weight); font-size: var(--fs-btn);
  font-feature-settings: "tnum" 1;
}
.approach h3 { font-size: var(--fs-h3); letter-spacing: var(--tracking-snug); }
.approach p {
  margin-top: var(--space-2);
  font-size: var(--fs-md); line-height: var(--lh-body);
  color: var(--ink-muted); max-width: 48ch;
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact {
  margin: 0 var(--space-4) var(--space-4);
  border-radius: var(--radius-contact);
  background: var(--color-accent);
  color: var(--color-on-accent);
  scroll-margin-top: 60px;
}
.contact__inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(72px, 12vh, 128px) var(--edge);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr));
  gap: var(--space-8) clamp(32px, 6vw, 96px);
  align-items: start;
}
.contact h2 {
  margin-left: -0.05em;
  font-size: var(--fs-contact); line-height: 1.04; letter-spacing: -0.02em; max-width: 12ch;
}
.contact__email {
  display: inline-block; margin-top: var(--space-8);
  color: var(--color-on-accent);
  font-size: var(--fs-xl); font-weight: var(--font-strong-weight);
  text-underline-offset: 6px; text-decoration-thickness: 2px;
}
.contact__email:hover { color: var(--color-on-accent); text-decoration-thickness: 4px; }

.contact-form {
  background: var(--glass-bg-strong);
  border-color: color-mix(in srgb, var(--color-bg) 50%, transparent);
  box-shadow: var(--shadow-lg);
  color: var(--color-text);
  border-radius: var(--radius-panel);
  padding: clamp(24px, 3vw, 40px);
  display: grid; gap: var(--space-4);
}
.contact-form .btn-primary { margin-top: var(--space-2); }
.contact-form__thanks {
  display: grid; gap: var(--space-3);
  min-height: 280px; align-content: center;
}
.contact-form__thanks h3 { font-size: var(--fs-thanks); letter-spacing: -0.02em; }
.contact-form__thanks p { font-size: var(--fs-md); line-height: var(--lh-body); color: var(--ink-muted); }
.contact-form__thanks .btn { justify-self: start; margin-top: var(--space-3); }
.contact-form[data-sent="true"] .contact-form__fields,
.contact-form:not([data-sent="true"]) .contact-form__thanks { display: none; }
.contact-form__fields { display: contents; }

/* ==========================================================================
   Hover preview (follows the pointer over project cards)
   ========================================================================== */

.preview {
  position: fixed; z-index: 20; pointer-events: none;
  left: min(calc(var(--px) * 1px + 28px), calc(100vw - var(--preview-w) - 40px));
  top: min(calc(var(--py) * 1px + 28px), calc(100vh - 280px));
  width: var(--preview-w);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  opacity: 0; scale: 0.96;
  transition: opacity var(--dur-fast), scale var(--dur-fast);
}
.preview.is-visible { opacity: 1; scale: 1; }
.preview__media {
  aspect-ratio: 16 / 10; position: relative; overflow: hidden;
  background: var(--color-surface);
}
.preview__img {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  filter: grayscale(1) contrast(1.08);
}
.preview__placeholder {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(135deg, var(--grid-line) 0 2px, transparent 2px 12px);
}
.preview__placeholder::before {
  content: ""; position: absolute; left: 16px; bottom: 14px;
  width: 24px; height: 24px; background: var(--color-accent);
}
.preview__placeholder::after {
  content: "Screenshot"; position: absolute; right: 14px; top: 12px;
  font-size: var(--fs-xs); letter-spacing: var(--tracking-caps); text-transform: uppercase;
  color: var(--ink-muted);
}
.preview__body { padding: var(--space-4); display: grid; gap: var(--space-1); }
.preview__body strong { font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: 18px; }
.preview__body span { font-size: var(--fs-btn); color: var(--ink-muted); }

:root[data-preview="off"] .preview { display: none; }
@media (hover: none) { .preview { display: none; } }

/* ==========================================================================
   Responsive & motion preferences
   ========================================================================== */

@media (max-width: 640px) {
  .site-header__bar { border-radius: var(--radius-panel); padding-left: var(--space-4); }
  .nav { order: 3; width: 100%; justify-content: space-between; padding: 0 var(--space-2) var(--space-1); }
  .accent-picker span:last-of-type { display: none; }
}

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