/* ==========================================================================
   Chloupek Advisory — design tokens + components
   Palette: warm paper neutrals, ink text, one deep teal accent.
   ========================================================================== */

: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, 1.0625rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.1vw, 2.125rem);
  --text-2xl: clamp(2rem, 1.3rem + 2.4vw, 3.25rem);
  --text-3xl: clamp(2.125rem, 1.1rem + 3.4vw, 4rem);

  /* Spacing */
  --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 */
  --radius-sm: 0.25rem; --radius-md: 0.375rem; --radius-lg: 0.625rem;
  --radius-xl: 0.875rem; --radius-full: 9999px;

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

  /* Content widths */
  --content-narrow: 660px;
  --content-default: 980px;
  --content-wide: 1200px;

  /* Fonts */
  --font-display: 'Playfair Display', 'Iowan Old Style', Georgia, serif;
  --font-body: 'DM Sans', 'Helvetica Neue', system-ui, sans-serif;
}

:root,
[data-theme='light'] {
  --color-bg: #f7f5f0;
  --color-surface: #fbfaf7;
  --color-surface-2: #ffffff;
  --color-surface-offset: #f1eee7;
  --color-divider: #e0dcd3;
  --color-border: #d4cfc4;

  --color-text: #22201b;
  --color-text-muted: #6d6a62;
  --color-text-faint: #a5a19a;
  --color-text-inverse: #f8f7f3;

  --color-primary: #0c4e54;
  --color-primary-hover: #0a3d42;
  --color-primary-soft: #e2ebe9;

  --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.06);
  --shadow-md: 0 6px 20px oklch(0.2 0.01 80 / 0.07);
  --shadow-lg: 0 18px 48px oklch(0.2 0.01 80 / 0.10);
}

[data-theme='dark'] {
  --color-bg: #16171700;
  --color-bg: #141513;
  --color-surface: #1a1b19;
  --color-surface-2: #1f201d;
  --color-surface-offset: #1c1d1a;
  --color-divider: #2a2b28;
  --color-border: #383a36;

  --color-text: #e2e0da;
  --color-text-muted: #96948d;
  --color-text-faint: #6a6862;
  --color-text-inverse: #16170f;

  --color-primary: #6fb3b8;
  --color-primary-hover: #8ecacd;
  --color-primary-soft: #1f2c2d;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 6px 20px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 18px 48px oklch(0 0 0 / 0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #141513;
    --color-surface: #1a1b19;
    --color-surface-2: #1f201d;
    --color-surface-offset: #1c1d1a;
    --color-divider: #2a2b28;
    --color-border: #383a36;
    --color-text: #e2e0da;
    --color-text-muted: #96948d;
    --color-text-faint: #6a6862;
    --color-text-inverse: #16170f;
    --color-primary: #6fb3b8;
    --color-primary-hover: #8ecacd;
    --color-primary-soft: #1f2c2d;
  }
}

/* --------------------------------------------------------------- layout */

.wrap {
  width: min(100% - 2 * var(--space-6), var(--content-wide));
  margin-inline: auto;
}
.wrap--default { width: min(100% - 2 * var(--space-6), var(--content-default)); }

section { scroll-margin-top: var(--space-20); }

.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
  border-top: 1px solid var(--color-divider);
}
.section--tight { padding-block: clamp(var(--space-12), 6vw, var(--space-20)); }

.eyebrow {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-4);
}
[data-theme='dark'] .eyebrow { color: var(--color-primary); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 500; }
.h-section { font-size: var(--text-xl); letter-spacing: -0.015em; }
.lede {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 60ch;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}
@media (min-width: 900px) {
  .section-head { grid-template-columns: 22rem minmax(0, 1fr); gap: var(--space-16); align-items: start; }
}

/* --------------------------------------------------------------- header */

.header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.header--scrolled { border-bottom-color: var(--color-divider); }
.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); text-decoration: none;
}
.brand__mark { color: var(--color-primary); flex: none; }
.brand__name {
  font-family: var(--font-display);
  font-size: 1.0625rem; letter-spacing: 0.01em; line-height: 1.1;
}
.brand__name span { display: block; font-family: var(--font-body); font-size: 0.6875rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-text-muted); margin-top: 2px; }

.nav { display: none; gap: var(--space-6); align-items: center; }
@media (min-width: 900px) { .nav { display: flex; } }
.nav a {
  font-size: var(--text-sm); color: var(--color-text-muted);
  text-decoration: none; padding-block: var(--space-2);
}
.nav a:hover { color: var(--color-text); }

.header__actions { display: flex; align-items: center; gap: var(--space-2); }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.icon-btn:hover { color: var(--color-text); background: var(--color-surface-offset); }

.mobile-nav-toggle { display: inline-flex; }
@media (min-width: 900px) { .mobile-nav-toggle { display: none; } }
.mobile-nav {
  display: none; flex-direction: column; gap: var(--space-1);
  padding: var(--space-3) 0 var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.mobile-nav[data-open='true'] { display: flex; }
.mobile-nav { background: var(--color-bg); margin-inline: calc(-1 * var(--space-6)); padding-inline: var(--space-6); }
.mobile-nav a {
  color: var(--color-text); text-decoration: none;
  font-size: var(--text-sm); padding: var(--space-3) 0;
}

/* --------------------------------------------------------------- buttons */

.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  min-height: 44px; padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm); font-weight: 500; letter-spacing: 0.01em;
  border-radius: var(--radius-sm); text-decoration: none;
}
.btn--primary { background: var(--color-primary); color: var(--color-text-inverse); }
.btn--primary:hover { background: var(--color-primary-hover); }
[data-theme='dark'] .btn--primary { color: #10201f; }
.btn--ghost { border: 1px solid var(--color-border); color: var(--color-text); }
.btn--ghost:hover { border-color: var(--color-text-muted); background: var(--color-surface-offset); }

/* --------------------------------------------------------------- hero */

.hero { padding-block: clamp(var(--space-10), 8vw, var(--space-24)) clamp(var(--space-12), 6vw, var(--space-20)); }
.hero__grid { display: grid; gap: clamp(var(--space-10), 5vw, var(--space-20)); align-items: center; }
@media (min-width: 940px) { .hero__grid { grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr); } }

.hero__kicker {
  font-size: var(--text-xs); letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--color-text-muted); margin-bottom: var(--space-6);
}
.hero h1 {
  font-size: var(--text-3xl);
  letter-spacing: -0.02em; line-height: 1.03;
  margin-bottom: var(--space-6);
}
.hero h1 em { font-style: italic; color: var(--color-primary); }
.hero__sub { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 46ch; line-height: 1.55; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-10); }

.portrait {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-offset);
  box-shadow: var(--shadow-md);
  max-width: 380px;
}
.portrait img { width: 100%; filter: saturate(0.92) contrast(1.02); }
[data-theme='dark'] .portrait img { filter: saturate(0.8) brightness(0.8) contrast(1.05); }
.portrait figcaption {
  position: absolute; inset-inline: 0; bottom: 0;
  padding: var(--space-8) var(--space-5) var(--space-4);
  font-size: var(--text-xs); color: #f5f3ee;
  background: linear-gradient(to top, oklch(0.18 0.01 90 / 0.78), transparent);
}

/* credentials strip */
.creds {
  display: grid; gap: var(--space-6);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding-block: var(--space-10);
  border-block: 1px solid var(--color-divider);
}
@media (min-width: 860px) { .creds { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-10); } }
.cred__value { font-family: var(--font-display); font-size: var(--text-lg); line-height: 1.2; }
.cred__label { font-size: var(--text-xs); color: var(--color-text-muted); letter-spacing: 0.06em; margin-top: var(--space-2); }

/* --------------------------------------------------------------- about */

.prose p { margin-bottom: var(--space-5); max-width: 68ch; }
.prose p:last-child { margin-bottom: 0; }
.prose strong { font-weight: 500; }

.pullquote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.4;
  color: var(--color-text);
  border-top: 2px solid var(--color-primary);
  padding-top: var(--space-5);
  margin-block: var(--space-10);
  max-width: 34rem;
}
.note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  background: var(--color-surface-offset);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  max-width: 60ch;
}

/* --------------------------------------------------------------- services */

.services { display: grid; gap: 1px; background: var(--color-divider); border: 1px solid var(--color-divider); border-radius: var(--radius-md); overflow: hidden; }
@media (min-width: 760px) { .services { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.service { background: var(--color-surface); padding: clamp(var(--space-6), 3vw, var(--space-10)); }
.service--wide { grid-column: 1 / -1; }
@media (min-width: 760px) {
  .service--wide .service__body { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.9fr); gap: var(--space-10); align-items: start; }
  .service--wide .service__body ul { margin-top: 0; padding-left: 0; list-style: none; border-top: 1px solid var(--color-divider); }
  .service--wide .service__body li { border-bottom: 1px solid var(--color-divider); padding-block: var(--space-3); margin-bottom: 0; }
}
.service__no { font-size: var(--text-xs); color: var(--color-text-faint); letter-spacing: 0.14em; }
.service h3 { font-size: var(--text-lg); margin: var(--space-3) 0 var(--space-3); letter-spacing: -0.01em; }
.service p { font-size: var(--text-sm); color: var(--color-text-muted); }
.service ul { margin-top: var(--space-4); padding-left: var(--space-4); font-size: var(--text-sm); color: var(--color-text-muted); }
.service li { margin-bottom: var(--space-1); }

.fees {
  margin-top: var(--space-10);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  background: var(--color-surface-2);
}
.fees h3 { font-size: var(--text-lg); margin-bottom: var(--space-6); }
.fee-table th, .fee-table td { text-align: left; padding: var(--space-3) 0; border-bottom: 1px solid var(--color-divider); font-size: var(--text-sm); vertical-align: baseline; }
.fee-table tr:last-child th, .fee-table tr:last-child td { border-bottom: none; }
.fee-table th { font-weight: 400; color: var(--color-text-muted); padding-right: var(--space-6); }
.fee-table td { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; font-weight: 500; }
.fees__foot { margin-top: var(--space-5); font-size: var(--text-xs); color: var(--color-text-muted); }

/* --------------------------------------------------------------- timeline */

.timeline { border-top: 1px solid var(--color-divider); }
.tl-item {
  display: grid; gap: var(--space-2);
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}
@media (min-width: 820px) {
  .tl-item { grid-template-columns: 11rem minmax(0, 1fr); gap: var(--space-10); align-items: baseline; }
}
.tl-date { font-size: var(--text-xs); letter-spacing: 0.08em; color: var(--color-text-muted); font-variant-numeric: tabular-nums; }
.tl-role { font-size: var(--text-base); font-weight: 500; }
.tl-org { color: var(--color-primary); }
.tl-desc { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-2); }

/* --------------------------------------------------------------- policy */

.policy { display: grid; gap: var(--space-8); }
@media (min-width: 820px) { .policy { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-10) var(--space-16); } }
.policy article { border-top: 1px solid var(--color-divider); padding-top: var(--space-5); }
.policy h3 { font-family: var(--font-body); font-size: var(--text-base); font-weight: 500; margin-bottom: var(--space-2); }
.policy .year { font-size: var(--text-xs); color: var(--color-text-faint); letter-spacing: 0.1em; display: block; margin-bottom: var(--space-3); }
.policy p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* --------------------------------------------------------------- press */

.press { background: var(--color-surface-offset); }
.press__list { display: flex; flex-wrap: wrap; gap: var(--space-4) var(--space-8); align-items: baseline; margin-top: var(--space-6); }
.press__list a {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 2px;
}
.press__list a:hover { color: var(--color-primary); border-bottom-color: currentColor; }
.press__list a span { font-family: var(--font-body); font-size: var(--text-xs); color: var(--color-text-muted); margin-left: var(--space-2); letter-spacing: 0.06em; }

/* --------------------------------------------------------------- contact */

.contact__grid { display: grid; gap: var(--space-10); }
@media (min-width: 860px) { .contact__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-16); } }
.contact-list { list-style: none; display: grid; gap: var(--space-5); }
.contact-list dt, .contact-list .label { font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: var(--space-1); }
.contact-list a { color: var(--color-text); text-decoration: none; border-bottom: 1px solid var(--color-border); display: inline-block; padding-block: var(--space-2); }
.contact-list a:hover { color: var(--color-primary); }
.contact-list address { font-style: normal; }

/* --------------------------------------------------------------- footer */

.footer { border-top: 1px solid var(--color-divider); padding-block: var(--space-10); }
.footer__inner { display: flex; flex-wrap: wrap; gap: var(--space-4) var(--space-8); justify-content: space-between; align-items: center; }
.footer p { font-size: var(--text-xs); color: var(--color-text-muted); }
.footer nav { display: flex; flex-wrap: wrap; gap: var(--space-5); }
.footer nav a { font-size: var(--text-xs); color: var(--color-text-muted); text-decoration: none; padding-block: var(--space-3); }
.footer nav a:hover { color: var(--color-text); }

/* --------------------------------------------------------------- reveal */

.reveal { opacity: 0; transform: translateY(12px); transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1), transform 700ms cubic-bezier(0.16, 1, 0.3, 1); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* Toast confirmation for email buttons */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(12px);
  background: var(--ink, #1d1c1a);
  color: var(--paper, #f7f5f0);
  font-size: 0.95rem;
  line-height: 1.4;
  padding: 12px 20px;
  border-radius: 8px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 1000;
  max-width: min(92vw, 480px);
  text-align: center;
}
.toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* --------------------------------------------------------------- contact form */

.contact-form { margin-top: var(--space-8); display: grid; gap: var(--space-5); position: relative; }
.contact-form__row { display: grid; gap: var(--space-5); }
@media (min-width: 640px) { .contact-form__row { grid-template-columns: 1fr 1fr; } }
.contact-form__field { display: grid; gap: var(--space-2); }
.contact-form input[type='text'],
.contact-form input[type='email'],
.contact-form textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}
.contact-form input:focus-visible,
.contact-form textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
  border-color: var(--color-primary);
}
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form__actions { display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; }
.contact-form button[type='submit'] { border: 0; cursor: pointer; }
.contact-form button[disabled] { opacity: 0.6; cursor: default; }
.contact-form__status { font-size: var(--text-sm); color: var(--color-text-muted); }
.contact-form__status--ok { color: var(--color-success, #437a22); }
.contact-form__status--err { color: var(--color-error, #a12c7b); }