/* ============================================================
   RATIONUM v2 — Nordnet-inspired
   Deep dark teal surfaces, chunky sans, pill CTAs, tight sections.
   ============================================================ */

:root,
[data-theme='dark'] {
  /* Editorial black-and-white surfaces */
  --color-bg: #0b0b0b;
  --color-surface: #121212;
  --color-surface-2: #171717;
  --color-surface-3: #1c1c1c;
  --color-surface-hover: #222222;
  --color-divider: #1f1f1f;
  --color-border: #2a2a2a;

  /* Text */
  --color-text: #f2f0ec;
  --color-text-muted: #a8a6a1;
  --color-text-faint: #6b6a66;
  --color-text-inverse: #0b0b0b;

  /* Primary CTA — warm white */
  --color-primary: #f2f0ec;
  --color-primary-hover: #ffffff;
  --color-primary-active: #d9d6d0;
  --color-primary-ink: #0b0b0b;

  /* Accent — Nordea deep blue (dark-mode lift) */
  --color-accent: #4B6FFF;
  --color-accent-hover: #6A88FF;
  --color-accent-tint: rgba(75, 111, 255, 0.14);
  --color-accent-ink: #FFFFFF;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-pill: 999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.35);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.45);

  --content-narrow: 720px;
  --content-default: 1080px;
  --content-wide: 1240px;

  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.8125rem, 0.78rem + 0.2vw, 0.9375rem);
  --text-base: clamp(1rem, 0.95rem + 0.15vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.3125rem);
  --text-xl: clamp(1.5rem, 1.3rem + 0.8vw, 2rem);
  --text-2xl: clamp(2rem, 1.5rem + 2vw, 3rem);
  --text-hero: clamp(2.75rem, 1.5rem + 4.5vw, 5.5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 1.75rem;
  --space-8: 2rem;
  --space-9: 2.25rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --font-body: 'Inter Tight', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter Tight', 'Inter', sans-serif;
}

/* Light mode — inverted mono */
[data-theme='light'] {
  --color-bg: #f7f6f2;
  --color-surface: #ffffff;
  --color-surface-2: #f0efe9;
  --color-surface-3: #e8e6df;
  --color-surface-hover: #ddd9cf;
  --color-divider: #e0ded6;
  --color-border: #cfcbbf;

  --color-text: #0b0b0b;
  --color-text-muted: #4a4a48;
  --color-text-faint: #8a8a86;
  --color-text-inverse: #f7f6f2;

  --color-primary: #0b0b0b;
  --color-primary-hover: #1c1c1c;
  --color-primary-active: #000000;
  --color-primary-ink: #f7f6f2;

  --color-accent: #0000A0;
  --color-accent-hover: #000078;
  --color-accent-tint: rgba(0, 0, 160, 0.10);
  --color-accent-ink: #FFFFFF;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.08);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.12);
}

/* ============================================================
   Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  font-feature-settings: 'ss01', 'cv11';
  transition: background var(--transition-slow), color var(--transition-slow);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  text-wrap: balance;
  color: var(--color-text);
}

p { text-wrap: pretty; max-width: 62ch; line-height: 1.6; }

a { color: inherit; text-decoration: none; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }

::selection { background: var(--color-primary); color: #fff; }

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

a, button, input, textarea, select, [role='button'] {
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

/* ============================================================
   Layout
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-10));
}
.container--narrow { max-width: var(--content-narrow); }
.container--default { max-width: var(--content-default); }

section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  scroll-margin-top: 72px;
}

.eyebrow {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 600;
  color: var(--color-accent);
  display: inline-block;
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
  max-width: 22ch;
}

.section-lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 52ch;
  line-height: 1.45;
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 90%, transparent);
  backdrop-filter: saturate(140%) blur(16px);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-slow), background var(--transition-slow);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-divider);
  background: color-mix(in oklab, var(--color-bg) 96%, transparent);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  height: 92px;
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--color-text);
  flex-shrink: 0;
}
.brand img.logo-mark { height: 60px; width: auto; display: block; }
@media (max-width: 700px) {
  .brand img.logo-mark { height: 44px; }
}
[data-theme='dark'] .brand img.logo-mark { filter: invert(1) brightness(1.05); }
[data-theme='light'] .brand img.logo-mark { filter: none; }

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-2), 1.2vw, var(--space-5));
  flex: 1;
}
.primary-nav a {
  font-size: var(--text-sm);
  color: var(--color-text);
  padding: var(--space-2) var(--space-3);
  font-weight: 500;
  border-radius: var(--radius-sm);
}
.primary-nav a:hover { color: var(--color-accent); }

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.icon-btn, .lang-btn, .login-btn {
  height: 40px;
  min-width: 40px;
  padding: 0 var(--space-4);
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 500;
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-2);
}
.lang-btn { border-color: var(--color-border); }
.lang-btn:hover, .icon-btn:hover { background: var(--color-surface-2); border-color: var(--color-border); }
.login-btn {
  padding: 0 var(--space-5);
  border: 1px solid var(--color-border);
  color: var(--color-accent);
  transition: border-color 200ms ease, color 200ms ease, background 200ms ease;
}
.login-btn svg { color: var(--color-accent); }
.login-btn:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--color-accent);
  color: var(--color-text);
}
[data-theme='light'] .login-btn:hover { background: rgba(0,0,0,0.04); }

.menu-btn { display: none; }

@media (max-width: 960px) {
  .primary-nav { display: none; }
  .menu-btn { display: inline-flex; border-color: var(--color-border); }
  .header-actions .login-btn { display: none; }
  .primary-nav.is-open {
    display: flex;
    position: absolute;
    top: 68px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-4) 0;
  }
  .primary-nav.is-open a {
    padding: var(--space-4) clamp(var(--space-5), 4vw, var(--space-10));
    font-size: var(--text-base);
    border-top: 1px solid var(--color-divider);
    border-radius: 0;
  }
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: -0.005em;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  white-space: nowrap;
  min-height: 48px;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-primary-ink);
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--color-primary) 60%, transparent), 0 10px 24px -12px rgba(201,162,77,0.55);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}
.btn--ghost {
  border-color: var(--color-border);
  color: var(--color-text);
  background: transparent;
}
.btn--ghost:hover {
  background: var(--color-surface-2);
  border-color: var(--color-text-muted);
}
.btn .arrow { transition: transform var(--transition-interactive); }
.btn:hover .arrow { transform: translateX(3px); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(var(--space-16), 8vw, var(--space-24)) 0;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: block;
  max-width: 900px;
  margin-inline: 0;  /* flush-left with logo, not centered inside container */
  padding-bottom: clamp(var(--space-12), 6vw, var(--space-16));
}

.hero-eyebrow {
  font-family: var(--font-mono, ui-monospace, 'SF Mono', Menlo, monospace);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
  padding-left: 22px;
  position: relative;
}
.hero-eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 14px;
  height: 1px;
  background: var(--color-accent);
}

.hero-title {
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin-bottom: var(--space-6);
}
.hero-title em {
  color: var(--color-accent);
  font-family: 'Fraunces', 'Antonio', var(--font-display);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.02em;
}

.hero-lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 44ch;
  margin-bottom: var(--space-8);
  line-height: 1.55;
}

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

/* Full-bleed photo gallery strip */
.photo-strip {
  padding: 0;
  background: var(--color-bg);
}
.photo-strip .photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.photo-strip figure {
  position: relative;
  aspect-ratio: 2/3;
  overflow: hidden;
  background: var(--color-surface);
  margin: 0;
}
.photo-strip figure img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.9) contrast(1.02);
  transition: transform 800ms cubic-bezier(0.16,1,0.3,1);
}
.photo-strip figure:hover img { transform: scale(1.03); }
@media (max-width: 800px) {
  .photo-strip .photo-grid { grid-template-columns: 1fr; }
  .photo-strip figure { aspect-ratio: 4/5; }
}

/* Hero shortcut cards (Nordnet-style row) */
.hero-cards {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: 0;
  margin-bottom: clamp(var(--space-16), 8vw, var(--space-24));
}
@media (max-width: 900px) {
  .hero-cards { grid-template-columns: 1fr; }
  .hero { padding-block-end: var(--space-8); }
}

.shortcut {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text);
  min-height: 108px;
  position: relative;
}
.shortcut:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}
.shortcut .content { flex: 1; min-width: 0; }
.shortcut h3 {
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
  line-height: 1.35;
}
.shortcut p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.55;
}
.shortcut .chevron {
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform var(--transition-interactive);
}
.shortcut:hover .chevron { transform: translateX(4px); }

/* ============================================================
   Services (compact rows)
   ============================================================ */
.services {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-10);
}
@media (max-width: 900px) { .services-grid { grid-template-columns: 1fr; } }

.service-card {
  background: var(--color-surface-2);
  padding: var(--space-10);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
  display: flex; flex-direction: column; gap: var(--space-5);
  min-height: 320px;
  position: relative;
  transition: background var(--transition-interactive), border-color var(--transition-interactive), transform var(--transition-interactive);
}
.service-card ul.included {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex; flex-direction: column; gap: var(--space-2);
  flex: 1;
}
.service-card ul.included li {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  padding-left: 20px;
  position: relative;
  line-height: 1.55;
}
.service-card ul.included li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 10px; height: 1px;
  background: var(--color-accent);
}
.service-card:hover {
  background: var(--color-surface-3);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}
.service-card .num {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--color-accent);
}
.service-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.service-card p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.6;
  flex: 1;
}
.service-card .link {
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 600;
  display: inline-flex; align-items: center; gap: var(--space-2);
  margin-top: auto;
}
.service-card:hover .link .arrow { transform: translateX(3px); }

/* ============================================================
   Advisory
   ============================================================ */
.advisory-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  margin-top: var(--space-10);
}
@media (max-width: 800px) { .advisory-grid { grid-template-columns: 1fr; } }

.advisory-card {
  background: var(--color-surface);
  padding: var(--space-10);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
  display: flex; flex-direction: column; gap: var(--space-4);
}
.advisory-card:hover { border-color: var(--color-accent); background: var(--color-surface-2); }
.advisory-card .icon {
  width: 40px; height: 40px;
  color: var(--color-accent);
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--color-accent-tint);
  border-radius: var(--radius-md);
}
.advisory-card h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.025em;
}
.advisory-card p { color: var(--color-text-muted); }

/* ============================================================
   Ecosystem
   ============================================================ */
.ecosystem {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.eco-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-10);
  max-width: 1200px;
}
@media (max-width: 1000px) { .eco-grid { grid-template-columns: repeat(2, 1fr); max-width: 900px; } }
@media (max-width: 640px) { .eco-grid { grid-template-columns: 1fr; } }

.eco-card {
  padding: var(--space-8);
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column; gap: var(--space-3);
  transition: border-color var(--transition-interactive), background var(--transition-interactive), transform var(--transition-interactive);
}
.eco-card:hover {
  border-color: var(--color-accent);
  background: var(--color-surface-3);
  transform: translateY(-2px);
}
.eco-card .tag {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
}
.eco-card h3 { font-size: var(--text-lg); font-weight: 700; letter-spacing: -0.02em; }
.eco-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* ============================================================
   Process (compact horizontal strip)
   ============================================================ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-10);
}
@media (max-width: 900px) { .process-grid { grid-template-columns: 1fr; } }

.step {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
}
.step .step-num {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
  display: block;
}
.step h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}
.step p { color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.6; }

/* ============================================================
   About
   ============================================================ */
.about-body { max-width: none; }
.about-body p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  max-width: 52ch;
  line-height: 1.6;
}
.about-body p:first-of-type { color: var(--color-text); font-weight: 500; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16) var(--space-6);
  font-size: var(--text-sm);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-divider);
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); } }
@media (max-width: 500px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-brand img.logo-mark { height: 56px; margin-bottom: var(--space-4); display: block; }
[data-theme='dark'] .footer-brand img.logo-mark { filter: invert(1) brightness(1.05); }
.footer-brand p { color: var(--color-text-muted); max-width: 34ch; }

.footer-col h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  font-weight: 600;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a { color: var(--color-text-muted); }
.footer-col a:hover { color: var(--color-accent); }

.footer-bottom {
  display: flex; justify-content: space-between;
  padding-top: var(--space-5);
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  flex-wrap: wrap; gap: var(--space-4);
}

/* ============================================================
   Sub-page forms
   ============================================================ */
.page-hero {
  padding-block: clamp(var(--space-16), 6vw, var(--space-20)) var(--space-8);
}
.page-hero h1 {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
  letter-spacing: -0.03em;
}
.page-hero p { color: var(--color-text-muted); font-size: var(--text-lg); max-width: 58ch; }

.form-wrap { padding-block: var(--space-6) clamp(var(--space-16), 8vw, var(--space-20)); }
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }

.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  font-weight: 600;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-base);
  font-family: inherit;
}
.field input::placeholder, .field textarea::placeholder { color: var(--color-text-faint); }
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 25%, transparent);
}
.field textarea { min-height: 130px; resize: vertical; }

/* Checkbox groups */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3) var(--space-6);
  margin-top: var(--space-2);
}
@media (max-width: 700px) { .checkbox-grid { grid-template-columns: 1fr; } }
.field .checkbox-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-sm);
  color: var(--color-text);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.field .checkbox-item:hover { border-color: var(--color-text-muted); }
.field .checkbox-item:has(input:checked) {
  border-color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 8%, var(--color-surface));
}
.field .checkbox-item input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 1.125rem;
  height: 1.125rem;
  min-width: 1.125rem;
  padding: 0;
  margin: 0;
  border: 1.5px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-bg);
  cursor: pointer;
  display: inline-grid;
  place-content: center;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.field .checkbox-item input[type="checkbox"]:hover { border-color: var(--color-text-muted); }
.field .checkbox-item input[type="checkbox"]:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 30%, transparent);
}
.field .checkbox-item input[type="checkbox"]:checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.field .checkbox-item input[type="checkbox"]:checked::before {
  content: "";
  width: 0.65rem;
  height: 0.65rem;
  background: var(--color-bg);
  clip-path: polygon(14% 44%, 0 60%, 40% 100%, 100% 20%, 84% 8%, 39% 70%);
}

.form-actions { margin-top: var(--space-6); display: flex; gap: var(--space-3); flex-wrap: wrap; align-items: center; }

.info-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-divider);
  margin-top: var(--space-12);
}
@media (max-width: 700px) { .info-list { grid-template-columns: 1fr; } }
.info-list h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
  font-weight: 600;
}
.info-list p { color: var(--color-text); font-size: var(--text-base); }

/* ============================================================
   Utilities
   ============================================================ */
[hidden] { display: none !important; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity 600ms ease, transform 600ms ease; }
.reveal.is-visible { opacity: 1; transform: none; }

.form-status { color: var(--color-accent); font-size: var(--text-sm); }

/* ==================== About: industries + metrics ==================== */
.about-layout { max-width: none; }
.about-body { max-width: none; }
.about-lede {
  font-size: var(--text-lg);
  color: var(--color-text);
  max-width: none;
  margin-top: var(--space-6);
  line-height: 1.55;
}
.about-body > p { max-width: none; color: var(--color-text-muted); line-height: 1.65; }

/* Checkerboard industry grid — full container width, tighter tiles, LARGE logos */
.industries {
  list-style: none;
  padding: 0;
  margin: var(--space-12) 0 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: 0;
  overflow: hidden;
}
.industries li {
  aspect-ratio: auto;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-4);
  border: 0;
  border-radius: 0;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  line-height: 1.25;
  transition: background 220ms ease, color 220ms ease, transform 220ms ease;
  position: relative;
}

/* Chessboard pattern — 4 columns × 4 rows (16 items). */
/* Dark when (row_idx + col_idx) is even. */
/* row1: 1D 2L 3D 4L | row2: 5L 6D 7L 8D | row3: 9D 10L 11D 12L | row4: 13L 14D 15L 16D */
.industries li {
  background: #FFFFFF;
  color: #0A0A0B;
  transform: none;
}
.industries li:nth-child(1),
.industries li:nth-child(3),
.industries li:nth-child(6),
.industries li:nth-child(8),
.industries li:nth-child(9),
.industries li:nth-child(11),
.industries li:nth-child(14),
.industries li:nth-child(16) {
  background: #0A0A0B;
  color: #FFFFFF;
}
/* Hover: invert — white cells go black, black cells go white */
.industries li:hover {
  background: #0A0A0B;
  color: #FFFFFF;
  transform: none;
}
.industries li:nth-child(1):hover,
.industries li:nth-child(3):hover,
.industries li:nth-child(6):hover,
.industries li:nth-child(8):hover,
.industries li:nth-child(9):hover,
.industries li:nth-child(11):hover,
.industries li:nth-child(14):hover,
.industries li:nth-child(16):hover {
  background: #FFFFFF;
  color: #0A0A0B;
}

.ind-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 72px; height: 72px;
  border-radius: 0;
  background: transparent;
  color: currentColor;
  flex-shrink: 0;
  transition: color 220ms ease, transform 220ms ease;
}
.ind-icon svg {
  width: 100%;
  height: 100%;
  stroke-width: 1.4;
}
/* Icons match cell color — no background box, just the mark */
.industries li .ind-icon {
  background: transparent;
  color: currentColor;
}

@media (max-width: 900px) {
  .industries { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  /* 3-col chessboard — alternating tiles */
  .industries li { background: #FFFFFF; color: #0A0A0B; }
  .industries li:nth-child(2n) { background: #0A0A0B; color: #FFFFFF; }
  .industries li:hover { background: #0A0A0B; color: #FFFFFF; }
  .industries li:nth-child(2n):hover { background: #FFFFFF; color: #0A0A0B; }
}
@media (max-width: 560px) {
  .industries { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .industries li { font-size: 0.9375rem; padding: var(--space-5); }
  /* 2-col chessboard — items 2,3,6,7,10,11,14,15 dark */
  .industries li { background: #FFFFFF; color: #0A0A0B; }
  .industries li:nth-child(4n+2),
  .industries li:nth-child(4n+3) { background: #0A0A0B; color: #FFFFFF; }
  .industries li:hover { background: #0A0A0B; color: #FFFFFF; }
  .industries li:nth-child(4n+2):hover,
  .industries li:nth-child(4n+3):hover { background: #FFFFFF; color: #0A0A0B; }
}

.about-metrics {
  margin-top: var(--space-10);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-8);
  max-width: none;
}
.metric { display: flex; flex-direction: column; gap: var(--space-1); }
.metric-num {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.02em;
}
.metric-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
}
@media (max-width: 640px) {
  .about-metrics { grid-template-columns: 1fr 1fr; }
}

/* ==================== B&W minimal — atmospheric hero backdrop ==================== */
.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  z-index: -2;
  background-image: url('img/photo-sign-bw.jpeg');
  background-size: cover;
  background-position: center 30%;
  opacity: 0.175;
  filter: grayscale(1) contrast(1.05);
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  z-index: -1;
  background: linear-gradient(180deg,
    rgba(11,11,11,0.45) 0%,
    rgba(11,11,11,0.68) 55%,
    rgba(11,11,11,0.90) 100%);
}
[data-theme='light'] .hero::before { opacity: 0.275; }
[data-theme='light'] .hero::after {
  background: linear-gradient(180deg,
    rgba(247,246,242,0.48) 0%,
    rgba(247,246,242,0.65) 55%,
    rgba(247,246,242,0.85) 100%);
}

/* ==================== B&W minimal — text-only hero shortcuts ==================== */
.hero-cards--photo { grid-template-columns: repeat(3, 1fr); gap: 0; }
.shortcut--photo {
  padding: var(--space-8) var(--space-8) var(--space-6);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--color-border);
  border-radius: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  min-height: 220px;
  transition: background 260ms ease, border-color 260ms ease, transform 260ms ease;
  position: relative;
}
/* Merge borders so cards join like a strip */
.hero-cards--photo .shortcut--photo + .shortcut--photo { border-left: 0; }
.shortcut--photo:hover {
  background: rgba(255,255,255,0.06);
  border-color: var(--color-accent);
  z-index: 1;
}
[data-theme='light'] .shortcut--photo { background: rgba(0,0,0,0.02); }
[data-theme='light'] .shortcut--photo:hover { background: rgba(0,0,0,0.05); }

/* Hide the photo layer entirely in B&W mode */
.shortcut--photo .photo { display: none; }

.shortcut--photo .content {
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
  min-width: 0;
}
.shortcut--photo .content h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.375rem, 1.1rem + 0.6vw, 1.75rem);
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--color-text);
}
.shortcut--photo .content p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.5;
  flex: 1;
}
.shortcut--photo .chev {
  align-self: flex-end;
  color: var(--color-accent);
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1;
  margin-top: var(--space-2);
  transition: transform 260ms ease;
}
.shortcut--photo:hover .chev {
  transform: translateX(6px);
}
@media (max-width: 900px) {
  .hero-cards--photo {
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 1px solid var(--color-border);
  }
  /* Flush cards on mobile so inner text aligns with hero copy */
  .shortcut--photo {
    padding: var(--space-5) 0;
    border: 0;
    border-bottom: 1px solid var(--color-border);
    background: transparent;
  }
  .shortcut--photo:hover { background: transparent; border-bottom-color: var(--color-accent); }
}

/* ==================== B&W minimal — service cards ==================== */
.services-grid--photo {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}
@media (max-width: 900px) {
  .services-grid--photo { grid-template-columns: 1fr; }
}

.service-card--photo {
  padding: 0;
  background: transparent;
  border: 0;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  display: flex;
  flex-direction: column;
  transition: background 300ms ease;
}
.service-card--photo:hover { background: rgba(255,255,255,0.02); }
[data-theme='light'] .service-card--photo:hover { background: rgba(0,0,0,0.02); }

/* Hide photo band entirely; keep number as inline editorial mark */
.service-card--photo .photo {
  height: auto;
  background: transparent !important;
  position: static;
  padding: var(--space-8) var(--space-8) 0;
}
.service-card--photo .photo::after { display: none; }
.service-card--photo .photo .num {
  position: static;
  display: block;
  font-family: 'Fraunces', serif;
  font-size: 1.75rem;
  font-weight: 400;
  color: var(--color-text-muted);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}
.service-card--photo .body {
  padding: 0 var(--space-8) var(--space-8);
  display: flex;
  flex-direction: column;
  flex: 1;
}
.service-card--photo .body h3 {
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-3);
}
.service-card--photo .body > p {
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0 0 var(--space-5);
}
.service-card--photo .body ul.included { margin: 0 0 var(--space-6); }
.service-card--photo .body .link { margin-top: auto; }

@media (max-width: 900px) {
  .service-card--photo .photo { padding: var(--space-6) var(--space-6) 0; }
  .service-card--photo .body { padding: 0 var(--space-6) var(--space-6); }
}

/* Fraunces italic in monochrome — kill any gold overrides */
.aina-mark, .service-card--photo .photo .num {
  color: var(--color-text-muted);
}

/* ==================== Manifesto ==================== */
.manifesto {
  padding: var(--space-24) 0 var(--space-16);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.manifesto-oneline {
  margin: 0 0 var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.25rem, 1.25rem + 4vw, 4.75rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--color-text);
  text-transform: none;
}

.manifesto-attrs {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-10);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.manifesto-attrs .sep { color: var(--color-text-faint); letter-spacing: 0; }

.manifesto-promise {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 600;
  font-size: clamp(1.25rem, 1rem + 1.2vw, 1.9rem);
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: var(--color-text);
  max-width: 40ch;
}
.manifesto-promise em { color: var(--color-accent); font-style: normal; font-weight: 700; }

@media (max-width: 900px) {
  .manifesto { padding: var(--space-16) 0 var(--space-12); }
  .manifesto-oneline {
    margin-bottom: var(--space-12);
    font-size: clamp(2rem, 6vw, 3rem);
  }
}

/* ==================== Atmospheric backdrops for other sections ==================== */
.has-backdrop {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.has-backdrop::before {
  content: "";
  position: absolute; inset: 0;
  z-index: -2;
  background-size: cover;
  background-position: center;
  opacity: 0.55;
  filter: grayscale(1) contrast(0.95) brightness(0.85);
}
.has-backdrop::after {
  content: "";
  position: absolute; inset: 0;
  z-index: -1;
  background: linear-gradient(180deg,
    rgba(6,6,7,0.62) 0%,
    rgba(6,6,7,0.70) 55%,
    rgba(6,6,7,0.78) 100%);
}
[data-theme='light'] .has-backdrop::before {
  opacity: 0.60;
  filter: grayscale(1) contrast(1.02) brightness(1.05);
}
[data-theme='light'] .has-backdrop::after {
  background: linear-gradient(180deg,
    rgba(247,246,242,0.62) 0%,
    rgba(247,246,242,0.70) 55%,
    rgba(247,246,242,0.78) 100%);
}
.has-backdrop > * { position: relative; z-index: 1; }

/* Per-section image mapping */
.services.has-backdrop::before  { background-image: url('img/photo-corridor.jpeg'); background-position: center 55%; }
.advisory.has-backdrop::before  { background-image: url('img/photo-lounge.jpg'); background-position: center center; }

/* ==================== Software / Procountor section ==================== */
.software {
  position: relative;
  padding: clamp(6rem, 12vw, 10rem) 0;
  background:
    radial-gradient(60% 55% at 50% 0%, color-mix(in oklab, var(--color-accent) 18%, transparent) 0%, transparent 65%),
    linear-gradient(180deg, color-mix(in oklab, var(--color-surface) 92%, var(--color-accent) 8%) 0%, var(--color-surface) 100%);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}
[data-theme='light'] .software {
  background:
    radial-gradient(60% 55% at 50% 0%, color-mix(in oklab, var(--color-accent) 12%, transparent) 0%, transparent 65%),
    linear-gradient(180deg, color-mix(in oklab, var(--color-surface) 94%, var(--color-accent) 6%) 0%, var(--color-surface) 100%);
}

/* --- Header (centered) --- */
.software-header {
  max-width: 900px;
  margin: 0 auto var(--space-16);
  text-align: center;
}
.partner-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 0.85rem 0.4rem 0.7rem;
  border: 1px solid color-mix(in oklab, var(--color-accent) 40%, var(--color-border));
  border-radius: 999px;
  background: color-mix(in oklab, var(--color-accent) 10%, transparent);
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-8);
}
.partner-badge .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--color-accent) 22%, transparent);
}
.software-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 1.2rem + 5.2vw, 5.5rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
  color: var(--color-text);
  margin: 0 0 var(--space-8);
}
.software-title em {
  font-family: var(--font-serif, 'Fraunces', 'Times New Roman', serif);
  font-style: italic;
  font-weight: 500;
  color: var(--color-accent);
}
.software-lede {
  font-size: clamp(1.05rem, 0.95rem + 0.35vw, 1.25rem);
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 64ch;
  margin: 0 auto;
}

/* --- Device showcase --- */
.software-showcase {
  position: relative;
  margin: 0 auto var(--space-16);
  max-width: 1080px;
}
.software-devices-frame {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: color-mix(in oklab, var(--color-accent) 6%, var(--color-surface-elevated, var(--color-surface)));
  border: 1px solid color-mix(in oklab, var(--color-accent) 25%, var(--color-border));
  box-shadow:
    0 0 0 1px color-mix(in oklab, var(--color-accent) 12%, transparent),
    0 40px 80px -20px color-mix(in oklab, var(--color-accent) 25%, transparent),
    0 20px 50px -12px rgba(0, 0, 0, 0.55);
  padding: clamp(1rem, 2.5vw, 2rem);
}
.software-devices-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(80% 60% at 50% 0%, color-mix(in oklab, var(--color-accent) 14%, transparent), transparent 65%);
  pointer-events: none;
}
.software-devices {
  position: relative;
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}
[data-theme='dark'] .software-devices {
  filter: brightness(0.96) contrast(1.02);
}

/* --- Features grid --- */
.software-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 0 auto var(--space-16);
  max-width: 1080px;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.sw-feature {
  padding: var(--space-8) var(--space-6);
  border-right: 1px solid var(--color-border);
  position: relative;
}
.sw-feature:last-child { border-right: 0; }
.sw-feature-num {
  display: inline-block;
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}
.sw-feature h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.015em;
  margin: 0 0 var(--space-3);
  color: var(--color-text);
}
.sw-feature p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* --- Footer row --- */
.software-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  max-width: 1080px;
  margin: 0 auto;
  flex-wrap: wrap;
}
.software-partner {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  min-width: 0;
}
.finago-logo {
  height: 72px;
  width: auto;
  display: block;
  flex-shrink: 0;
}
/* Dark theme: show white logo */
[data-theme='dark'] .finago-logo--light { display: none; }
[data-theme='dark'] .finago-logo--dark  { display: block; }
/* Light theme: show black logo */
[data-theme='light'] .finago-logo--dark  { display: none; }
[data-theme='light'] .finago-logo--light { display: block; }
.partner-note {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  max-width: 42ch;
}

@media (max-width: 900px) {
  .software { padding: var(--space-16) 0; }
  .software-header { margin-bottom: var(--space-12); }
  .software-showcase { margin-bottom: var(--space-12); }
  .software-features-grid {
    grid-template-columns: 1fr;
    margin-bottom: var(--space-12);
  }
  .sw-feature {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }
  .sw-feature:last-child { border-bottom: 0; }
  .software-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-6);
  }
  .software-partner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  .finago-logo {
    height: 84px;
  }
}