/* ============================================================
   nordmastermind — Quiet Luxury onepager
   Midnight Slate #1A1F24 · Bone White #F4F3F0 · Burnished Copper #B87333
   ============================================================ */

:root {
  --slate: #1a1f24;
  --slate-soft: #232a30;
  --bone: #f4f3f0;
  --bone-dim: #e7e5e0;
  --copper: #b87333;
  --copper-light: #d89455;

  --ink: #1a1f24;
  --ink-muted: #565d63;
  --paper-on-slate: rgba(244, 243, 240, 0.72);

  --serif: "EB Garamond", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --maxw: 1180px;
  --maxw-narrow: 760px;
  --gutter: clamp(1.25rem, 5vw, 4rem);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--sans);
  font-weight: 400;
  color: var(--ink);
  background: var(--bone);
  line-height: 1.7;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: inherit; text-decoration: none; }

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: var(--maxw-narrow); }

.section {
  padding-block: clamp(4.5rem, 11vw, 9rem);
  position: relative;
}
.section--paper { background: var(--bone); color: var(--ink); }
.section--slate { background: var(--slate); color: var(--bone); }

.section__head { margin-bottom: clamp(2.5rem, 6vw, 4rem); max-width: 46ch; }
.section__head--center { margin-inline: auto; text-align: center; max-width: 54ch; }

.section__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.85rem, 4.2vw, 2.9rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 0;
}
.section__intro {
  margin: 1.4rem 0 0;
  font-size: 1.08rem;
  color: var(--ink-muted);
  max-width: 56ch;
}
.section--slate .section__intro { color: var(--paper-on-slate); }
.section__head--center .section__intro { margin-inline: auto; }

/* ---------- Eyebrow ---------- */
.eyebrow {
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--copper);
  margin: 0 0 1.1rem;
}
.eyebrow--light { color: var(--copper-light); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--sans);
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.95rem 1.8rem;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.35s var(--ease), color 0.35s var(--ease),
    border-color 0.35s var(--ease), transform 0.35s var(--ease);
}
.btn--lg { padding: 1.1rem 2.4rem; font-size: 0.9rem; }

.btn--copper { background: var(--copper); color: var(--bone); }
.btn--copper:hover { background: var(--copper-light); transform: translateY(-2px); }

.btn--quiet { background: transparent; border-color: rgba(244, 243, 240, 0.35); color: var(--bone); }
.btn--quiet:hover { border-color: var(--bone); transform: translateY(-2px); }

.btn--ghost {
  background: transparent;
  border-color: transparent;
  color: var(--bone);
  padding: 0.6rem 1.1rem;
}
.btn--ghost:hover { color: var(--copper-light); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease),
    backdrop-filter 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(26, 31, 36, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: rgba(244, 243, 240, 0.08);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: 76px;
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--bone);
}
.nav__mark { color: var(--copper); display: inline-flex; }
.nav__word {
  font-size: 1.12rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.nav__links {
  display: flex;
  gap: 2.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
  margin-left: auto;
}
.nav__links a {
  color: var(--paper-on-slate);
  font-size: 0.84rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 0.3s var(--ease);
}
.nav__links a:hover { color: var(--bone); }
.nav__cta { flex-shrink: 0; }

@media (max-width: 860px) {
  .nav__links { display: none; }
}
@media (max-width: 520px) {
  .nav__cta { display: none; }
  .nav__word { font-size: 1rem; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: var(--slate);
  color: var(--bone);
  overflow: hidden;
  padding-block: 120px 80px;
}
.hero__symbol {
  position: absolute;
  top: clamp(-60px, -4vw, -10px);
  right: clamp(-140px, -7vw, -40px);
  opacity: 0.28;
  pointer-events: none;
  width: clamp(420px, 52vw, 760px);
  z-index: 1;
}
@media (max-width: 640px) {
  .hero__symbol { top: -20px; right: -22vw; opacity: 0.22; width: clamp(280px, 86vw, 460px); }
}
.hero__symbol img { width: 100%; height: auto; }

.hero__inner { position: relative; z-index: 2; }
.hero__title {
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(2.3rem, 10vw, 7rem);
  letter-spacing: 0.04em;
  line-height: 1;
  margin: 0.4rem 0 0;
}
@media (max-width: 540px) {
  .hero__title { font-size: 2.4rem; letter-spacing: 0.01em; }
}
.hero__lead {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2.6vw, 1.7rem);
  line-height: 1.5;
  color: var(--paper-on-slate);
  max-width: 30ch;
  margin: 1.8rem 0 0;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.6rem;
}
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 1px solid rgba(244, 243, 240, 0.35);
  border-radius: 20px;
  z-index: 2;
}
.hero__scroll span {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 3px;
  height: 7px;
  margin-left: -1.5px;
  border-radius: 2px;
  background: var(--copper-light);
  animation: scrollDot 1.8s var(--ease) infinite;
}
@keyframes scrollDot {
  0% { opacity: 0; transform: translateY(0); }
  35% { opacity: 1; }
  70% { opacity: 0; transform: translateY(14px); }
  100% { opacity: 0; }
}

/* ---------- Manifest ---------- */
.manifest__body {
  font-family: var(--serif);
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  line-height: 1.75;
  color: #2c3238;
}
.manifest__body p { margin: 0 0 1.4rem; }
.manifest__opening {
  font-size: clamp(1.35rem, 2.6vw, 1.5rem);
  line-height: 1.38;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 1.7rem;
}
.manifest__highlight {
  font-style: italic;
  color: var(--copper);
  font-size: 1.1em;
}

/* ---------- Value cards ---------- */
.value__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(244, 243, 240, 0.12);
  border: 1px solid rgba(244, 243, 240, 0.12);
}
@media (max-width: 900px) {
  .value__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .value__grid { grid-template-columns: 1fr; }
}
.card {
  background: var(--slate);
  padding: clamp(1.8rem, 3.5vw, 2.6rem);
}
.card__no {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--copper-light);
  letter-spacing: 0.1em;
}
.card h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.3rem;
  margin: 0.8rem 0 0.7rem;
}
.card p { margin: 0; color: var(--paper-on-slate); font-size: 0.98rem; line-height: 1.65; }

/* ---------- Format ---------- */
.format__layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: stretch;
}
/* Oba sloupce stejně vysoké: seznam vyplní výšku a řádky se rovnoměrně rozprostřou */
.format__principles { display: flex; flex-direction: column; }
.format__facts,
.principle-list { flex: 1 1 auto; display: flex; flex-direction: column; justify-content: space-between; }
.format__facts { list-style: none; margin: 0; padding: 0; }
.format__facts li {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 1rem;
  padding: 1.3rem 0;
  border-top: 1px solid var(--bone-dim);
  align-items: baseline;
}
.format__facts li:last-child { border-bottom: 1px solid var(--bone-dim); }
.format__label {
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--copper);
}
.format__value { font-family: var(--serif); font-size: 1.18rem; line-height: 1.4; }

.format__principles h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.25rem;
  margin: 0 0 1.3rem;
}
.principle-list { list-style: none; margin: 0; padding: 0; }
.principle-list li {
  position: relative;
  padding: 0.85rem 0 0.85rem 1.9rem;
  border-top: 1px solid var(--bone-dim);
  font-family: var(--serif);
  font-size: 1.12rem;
  line-height: 1.4;
  color: var(--ink);
}
.principle-list li:last-child { border-bottom: 1px solid var(--bone-dim); }
.principle-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--copper);
}

@media (max-width: 760px) {
  .format__layout { grid-template-columns: 1fr; }
}

/* ---------- Pro koho ---------- */
.komu__col-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.25rem;
  margin: 0 0 1.4rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid rgba(244, 243, 240, 0.14);
}
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list--cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 clamp(2rem, 6vw, 4.5rem);
}
.check-list li {
  position: relative;
  padding: 0.55rem 0 0.55rem 2rem;
  color: var(--paper-on-slate);
  font-size: 1.02rem;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 1.05rem;
  width: 11px; height: 6px;
  border-left: 1.5px solid var(--copper-light);
  border-bottom: 1.5px solid var(--copper-light);
  transform: rotate(-45deg);
}
.komu__note {
  margin: clamp(2.5rem, 5vw, 3.5rem) 0 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.12rem;
  color: var(--paper-on-slate);
  max-width: 62ch;
}
@media (max-width: 680px) {
  .check-list--cols { grid-template-columns: 1fr; }
}

/* ---------- Enkláva ---------- */
.lide__layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.lide__photo { margin: 0; }
.lide__photo img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
}
.lide__photo figcaption,
.format__photo figcaption {
  margin-top: 0.85rem;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
}
.lide__people { display: grid; gap: clamp(1.6rem, 3vw, 2.4rem); }
.person__name {
  font-family: var(--sans);
  font-weight: 400;
  font-size: clamp(1.3rem, 2.4vw, 1.65rem);
  letter-spacing: 0.02em;
  margin: 0 0 0.3rem;
  color: var(--ink);
}
.person__role {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--copper);
  margin: 0 0 0.9rem;
}
.person__role--muted { color: rgba(26, 31, 36, 0.4); }
.person__bio {
  font-family: var(--serif);
  font-size: 1.08rem;
  line-height: 1.65;
  margin: 0;
  color: #2c3238;
}
.person__bio a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.person__bio a:hover { color: var(--copper); }
.format__photo { margin: clamp(2.5rem, 5vw, 4rem) 0 0; }
.format__photo img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
}
@media (max-width: 820px) {
  .lide__layout { grid-template-columns: 1fr; }
}

/* ---------- Cena ---------- */
.cena__cta { text-align: center; margin-top: clamp(2.2rem, 5vw, 3rem); }

/* ---------- Form ---------- */
.form { margin-top: clamp(2rem, 5vw, 3rem); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.field { margin-bottom: 1.5rem; display: flex; flex-direction: column; }
.field label {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.6rem;
}
.field__opt { text-transform: none; letter-spacing: 0; font-size: 0.85em; opacity: 0.7; }
.field input,
.field textarea {
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--bone-dim);
  border-radius: 2px;
  padding: 0.85rem 1rem;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  resize: vertical;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--copper);
  box-shadow: 0 0 0 3px rgba(184, 115, 51, 0.15);
}
/* Viditelný fokus z klávesnice (a v režimu forced-colors, kde box-shadow zmizí) */
.field input:focus-visible,
.field textarea:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}
.field input:user-invalid,
.field textarea:user-invalid {
  border-color: #b4452f;
}
.form__footer {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}
.form__status { margin: 0; font-size: 0.95rem; }
.form__status.is-ok { color: var(--copper); }
.form__status.is-err { color: #b4452f; }
.form__privacy { margin: 1.4rem 0 0; font-size: 0.85rem; color: var(--ink-muted); }

@media (max-width: 600px) {
  .form__row { grid-template-columns: 1fr; gap: 0; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--slate);
  color: var(--bone);
  padding-block: clamp(3rem, 7vw, 4.5rem);
  border-top: 1px solid rgba(244, 243, 240, 0.08);
}
.site-footer__inner { text-align: center; }
.site-footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--bone);
}
.site-footer__brand .nav__mark { color: var(--copper); }
.site-footer__tag {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--paper-on-slate);
  max-width: 50ch;
  margin: 1.5rem auto 0;
  line-height: 1.55;
}
.site-footer__meta {
  margin: 2rem 0 0;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: rgba(244, 243, 240, 0.45);
}
.site-footer__legal {
  margin: 0.7rem auto 0;
  max-width: 60ch;
  font-size: 0.74rem;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: rgba(244, 243, 240, 0.32);
}
.site-footer__legal a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.site-footer__legal a:hover { color: var(--copper); }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; will-change: auto; }

/* ---------- Anti-spam honeypot (skryté pole) ---------- */
.hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---------- Tlačítko: stavy odesílání ---------- */
.btn { position: relative; }
.btn:disabled,
.btn.is-loading {
  cursor: not-allowed;
  opacity: 0.72;
  transform: none !important;
}
.btn.is-loading { opacity: 0.85; }

.btn__spinner {
  display: none;
  width: 1.05em;
  height: 1.05em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: btnSpin 0.65s linear infinite;
}
.btn.is-loading .btn__spinner { display: inline-block; }
@keyframes btnSpin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .btn__spinner { animation: none; }
}

/* ---------- Formulář: potvrzení po odeslání ---------- */
.form__success {
  text-align: center;
  margin-top: clamp(2rem, 5vw, 3rem);
  padding: clamp(1.5rem, 4vw, 2.5rem) 0;
  animation: successIn 0.55s var(--ease) both;
}
.form__success:focus { outline: none; }
.form__success-icon { display: inline-flex; }
.form__success-circle {
  stroke: #3f7d52;
  stroke-width: 2;
  stroke-dasharray: 151;
  stroke-dashoffset: 151;
  animation: drawCircle 0.5s var(--ease) forwards;
}
.form__success-check {
  stroke: #3f7d52;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 34;
  stroke-dashoffset: 34;
  animation: drawCheck 0.3s var(--ease) 0.45s forwards;
}
.form__success-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 1.2rem 0 0.5rem;
}
.form__success-text {
  color: var(--ink-muted);
  font-size: 1.05rem;
  margin: 0 auto;
  max-width: 44ch;
}
@keyframes successIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
@keyframes drawCircle { to { stroke-dashoffset: 0; } }
@keyframes drawCheck { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
  .form__success { animation: none; }
  .form__success-circle,
  .form__success-check { animation: none; stroke-dashoffset: 0; }
}

/* ---------- Skip link (přeskočení navigace klávesnicí) ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--copper);
  color: var(--bone);
  padding: 0.7rem 1.2rem;
  border-radius: 2px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* ---------- Forced colors (Windows High Contrast): viditelný fokus ---------- */
@media (forced-colors: active) {
  .field input:focus,
  .field textarea:focus,
  .btn:focus,
  .skip-link:focus {
    outline: 2px solid CanvasText;
    outline-offset: 2px;
  }
}