/* ------------------------------------------------------------------
   DiMaria Enterprises — design tokens
   Direction: engineering drawing sheet. Cool neutrals, one coolant-blue
   accent, precise grid, generous whitespace. Cabinet Grotesk + Satoshi.
   ------------------------------------------------------------------ */

:root {
  /* type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.5rem);

  /* spacing (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;

  --font-display: 'Cabinet Grotesk', 'Satoshi', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: 'Satoshi', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --container: 72rem;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* light */
:root,
[data-theme='light'] {
  --color-bg: #f4f6f8;
  --color-surface: #ffffff;
  --color-surface-2: #eef2f5;
  --color-border: #d5dce3;
  --color-divider: #e3e8ed;
  --color-text: #14202b;
  --color-text-muted: #55657a;
  --color-text-faint: #8d9aa8;
  --color-accent: #0b6e8f;
  --color-accent-hover: #085a75;
  --color-accent-soft: #dcecf2;
  --color-on-accent: #ffffff;
  --shadow-sm: 0 1px 2px rgb(20 32 43 / 0.06), 0 1px 1px rgb(20 32 43 / 0.04);
  --shadow-md: 0 8px 24px -12px rgb(20 32 43 / 0.25);
  color-scheme: light;
}

/* dark */
[data-theme='dark'] {
  --color-bg: #0e1419;
  --color-surface: #151d24;
  --color-surface-2: #1b252d;
  --color-border: #2a3741;
  --color-divider: #222d36;
  --color-text: #e4eaef;
  --color-text-muted: #9aa8b5;
  --color-text-faint: #6c7a87;
  --color-accent: #5fc1e0;
  --color-accent-hover: #83d0e8;
  --color-accent-soft: #15303b;
  --color-on-accent: #0b1a21;
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.4);
  --shadow-md: 0 12px 28px -14px rgb(0 0 0 / 0.6);
  color-scheme: dark;
}

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-hover); }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: balance;
}

h1 { font-size: var(--text-3xl); font-weight: 800; }
h2 { font-size: var(--text-xl); font-weight: 700; }
h3 { font-size: var(--text-lg); font-weight: 700; }

p { margin: 0; }
p + p { margin-top: var(--space-4); }

.container {
  width: min(100% - 2 * clamp(var(--space-5), 5vw, var(--space-12)), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -3rem;
  padding: var(--space-2) var(--space-4);
  background: var(--color-text);
  color: var(--color-bg);
  border-radius: var(--radius-sm);
  z-index: 100;
}
.skip-link:focus { top: var(--space-4); }

.eyebrow {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--space-4);
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 86%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-divider);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--color-text); }
.brand-mark { color: var(--color-accent); flex: none; }
.brand-name span { color: var(--color-text-muted); font-weight: 500; }

.site-nav {
  display: none;
  gap: var(--space-6);
}
.site-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding-block: var(--space-1);
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.site-nav a:hover { color: var(--color-text); border-bottom-color: var(--color-accent); }

@media (min-width: 48rem) {
  .site-nav { display: flex; }
}

.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s var(--ease-out);
}
.theme-toggle:hover { border-color: var(--color-accent); transform: translateY(-1px); }
.theme-toggle .icon-moon { display: none; }
[data-theme='dark'] .theme-toggle .icon-sun { display: none; }
[data-theme='dark'] .theme-toggle .icon-moon { display: block; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.8rem 1.25rem;
  border-radius: 999px;
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s var(--ease-out);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-accent);
  color: var(--color-on-accent);
}
.btn-primary:hover { background: var(--color-accent-hover); color: var(--color-on-accent); }

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-ghost:hover { border-color: var(--color-text); color: var(--color-text); }

/* ---------- hero ---------- */
.hero {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24)) clamp(var(--space-10), 6vw, var(--space-16));
  border-bottom: 1px solid var(--color-divider);
}

.hero-grid {
  display: grid;
  gap: var(--space-10);
  align-items: center;
}
@media (min-width: 60rem) {
  .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-16);
  }
}

.hero-copy h1 { max-width: 14ch; }
.hero-copy .eyebrow { margin-bottom: var(--space-5); }

.lede {
  margin-top: var(--space-6);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 54ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.hero-art {
  margin: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-md);
}
.hero-art svg { width: 100%; height: auto; }

.art-label,
.art-tag {
  font-family: var(--font-body);
  font-weight: 700;
  fill: var(--color-text-muted);
}
.art-label { font-size: 10px; letter-spacing: 0.12em; }
.art-tag { font-size: 10px; fill: var(--color-accent); }

.flow { animation: flow 1.6s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -24; } }
@media (prefers-reduced-motion: reduce) {
  .flow { animation: none; }
}

/* ---------- facts band ---------- */
.facts {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
}
.facts-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6) var(--space-8);
  padding-block: var(--space-8);
}
@media (min-width: 48rem) {
  .facts-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
.fact { display: grid; gap: var(--space-1); }
.fact-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
}
.fact-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---------- sections ---------- */
.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}
.section-alt {
  background: var(--color-surface);
  border-block: 1px solid var(--color-divider);
}
.section-head {
  max-width: 60ch;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.section-head h2 { font-size: var(--text-2xl); }
.section-intro {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
}

/* ---------- work cards ---------- */
.work-grid {
  display: grid;
  gap: var(--space-6);
}
@media (min-width: 56rem) {
  .work-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .work-grid .card:last-child:nth-child(odd) { grid-column: 1 / -1; }
}
@media (min-width: 68rem) {
  .work-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .work-grid .card:last-child:nth-child(odd) { grid-column: auto; }
}

.card {
  display: grid;
  align-content: start;
  gap: var(--space-5);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: color-mix(in oklab, var(--color-accent) 45%, var(--color-border));
}

.card-icon {
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.card-logo { background: var(--color-bg); border: 1px solid var(--color-border); }
.card-logo img { display: block; width: 2.75rem; height: 2.75rem; }
.card-logo img[src$="eflush-mark.svg"] { width: 3.2rem; height: 3.2rem; }

.card-kicker {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.card-body h3 { font-size: var(--text-xl); }
.card-tagline {
  margin-top: var(--space-2);
  font-weight: 500;
  color: var(--color-text);
}
.card-body p + p { margin-top: var(--space-4); }
.card-body > p:not(.card-kicker):not(.card-tagline) { color: var(--color-text-muted); }

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  font-weight: 700;
}
.card-link svg { transition: transform 0.2s var(--ease-out); }
.card-link:hover svg { transform: translate(2px, -2px); }

/* ---------- about ---------- */
.about-copy { max-width: 46rem; }
.about-copy h2 { font-size: var(--text-2xl); margin-bottom: var(--space-6); }
.about-copy p { color: var(--color-text-muted); }
.about-copy p + p { margin-top: var(--space-5); }
.about-copy .disclaimer {
  margin-top: var(--space-8);
  padding: var(--space-4) var(--space-5);
  border-left: 3px solid var(--color-accent);
  background: var(--color-bg);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: var(--text-sm);
}

/* ---------- contact ---------- */
.section-contact {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
}
.contact-inner { max-width: 48rem; }
.contact-inner h2 { font-size: var(--text-2xl); }
.contact-inner .btn { margin-top: var(--space-8); }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-10);
  background: var(--color-bg);
}
.footer-inner {
  display: grid;
  gap: var(--space-8);
}
@media (min-width: 48rem) {
  .footer-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }
}
.footer-brand {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  color: var(--color-text);
}
.footer-brand .brand-mark { color: var(--color-accent); margin-top: 0.1rem; }
.footer-name {
  font-family: var(--font-display);
  font-weight: 700;
}
.footer-note {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  max-width: 52ch;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
}
.footer-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}
.footer-links a:hover { color: var(--color-text); }

/* ---------- reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}