/* ==========================================================
   Jiří Matyáš – online vizitka
   Vizuální styl Českého florbalu. Mobile first.
   ========================================================== */

/* ---------- Písmo ---------- */
@font-face {
  font-family: "Geogrotesque";
  src: url("fonts/Geo-Rg.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Geogrotesque";
  src: url("fonts/Geo-Md.otf") format("opentype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Geogrotesque";
  src: url("fonts/Geo-Sb.otf") format("opentype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Geogrotesque";
  src: url("fonts/Geo-Bd.otf") format("opentype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ---------- Barvy a proměnné ---------- */
:root {
  --cf-blue: #102d69;
  --cf-red: #d51223;
  --white: #ffffff;
  --black: #000000;
  --grey-70: #4d4d4d;   /* doplňkový text */
  --grey-15: #d9d9d9;   /* linky */
  --grey-05: #f2f2f2;   /* světlé plochy */

  --font: "Geogrotesque", Arial, Helvetica, sans-serif;
  --gutter: 16px;
  --max: 1120px;
  --narrow: 760px;
  --header-h: 64px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--cf-blue);
  font-family: var(--font);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.6;
  font-variant-ligatures: none;
  font-feature-settings: "liga" 0, "clig" 0, "dlig" 0;
  text-align: left;
  hyphens: manual;
}

h1, h2, h3 {
  margin: 0;
  font-weight: 700;
  line-height: 1.15;
  color: var(--cf-blue);
  text-wrap: balance;
}

p {
  margin: 0 0 1em;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--cf-blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--cf-red);
}

:focus-visible {
  outline: 3px solid var(--cf-blue);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* Užší sloupec textu, ale zarovnaný k levému okraji ostatních sekcí */
.narrow > * {
  max-width: var(--narrow);
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--cf-blue);
  color: var(--white);
  font-weight: 600;
}

.skip-link:focus {
  top: 8px;
  color: var(--white);
}

/* ---------- Záhlaví ----------
   Značka: výška 40 px (min.), ochranná zóna 20 % výšky = 8 px. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--grey-15);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
}

.brand {
  display: block;
  padding: 8px;          /* ochranná zóna 20 % z 40 px */
  margin-left: -8px;
}

.brand img {
  height: 40px;
  width: auto;
}

.site-nav {
  display: none;
}

.site-nav ul {
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  font-weight: 600;
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--cf-blue);
  border-bottom-color: var(--cf-red);
}

/* ---------- Tlačítko ---------- */
.button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  background: var(--cf-red);
  color: var(--white);
  border: 2px solid var(--cf-red);
  border-radius: 0;
  font-family: inherit;
  font-weight: 600;
  font-size: 1.0625rem;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color 0.15s, border-color 0.15s;
}

.button:hover {
  background: var(--cf-blue);
  border-color: var(--cf-blue);
  color: var(--white);
}

/* Červený blok pod tlačítkem, který se ukáže, když se tlačítko „zvedne“.
   Sekce kolem tlačítek mají isolation, aby blok nezmizel pod jejich pozadím. */
.button {
  position: relative;
  top: 0;
  left: 0;
}

.button::before {
  content: "";
  position: absolute;
  inset: -2px;
  z-index: -1;
  background: var(--cf-red);
  transition: transform 0.2s ease;
}

.hero,
.section {
  isolation: isolate;
}

.button .fa-brands {
  font-size: 1.1em;
}

/* ---------- Motiv mřížky ---------- */
.grid-motif {
  height: 72px;
  background-size: 24px 24px;
  background-position: left bottom;
  -webkit-mask-image: linear-gradient(to top, #000 0%, transparent 100%);
  mask-image: linear-gradient(to top, #000 0%, transparent 100%);
}

.grid-motif--red {
  background-image:
    linear-gradient(to right, var(--cf-red) 1px, transparent 1px),
    linear-gradient(to bottom, var(--cf-red) 1px, transparent 1px);
}

.grid-motif--white {
  background-image:
    linear-gradient(to right, var(--white) 1px, transparent 1px),
    linear-gradient(to bottom, var(--white) 1px, transparent 1px);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5) 0%, transparent 100%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5) 0%, transparent 100%);
}

/* ---------- 1. Úvod ---------- */
.hero {
  padding-top: 24px;
}

.hero__inner {
  display: grid;
  gap: 28px;
  padding-bottom: 24px;
}

.hero__photo {
  position: relative;
  width: 50%;
  max-width: 200px;
  margin-right: 12px;
}

.hero__photo {
  transform-style: preserve-3d;
}

.hero__photo::before {
  content: "";
  position: absolute;
  inset: 12px -12px -12px 12px;
  background: var(--cf-red);
}

.hero__photo img {
  position: relative;
  width: 100%;
  aspect-ratio: 372 / 453;
  object-fit: cover;
  background: var(--grey-05);
}

.hero h1 {
  font-size: clamp(2rem, 7.5vw, 3.5rem);
  letter-spacing: -0.01em;
}

.hero h1 .name {
  color: var(--cf-red);
}

.hero__subtitle {
  margin-top: 16px;
  font-size: 1.1875rem;
  font-weight: 500;
  line-height: 1.4;
}

.hero__lead {
  color: var(--grey-70);
  margin-bottom: 28px;
}

/* ---------- Sekce ---------- */
.section {
  padding: 56px 0;
}

.section--tint {
  background: var(--grey-05);
}

.section h2 {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  margin-bottom: 24px;
}

.section h2::before {
  content: "";
  display: block;
  width: 40px;
  height: 4px;
  margin-bottom: 16px;
  background: var(--cf-red);
}

.section h3 {
  font-size: 1.25rem;
}

/* ---------- 3. Co dělám ---------- */
.areas {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.areas {
  isolation: isolate;
}

/* Dlaždice: karta se naklání, červený blok za ní zůstává na místě */
.area {
  position: relative;
}

.area::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--cf-red);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.area__card {
  height: 100%;
  padding: 24px;
  background: var(--white);
  border-top: 4px solid var(--cf-blue);
  transform-style: preserve-3d;
  transition: border-color 0.3s ease;
}

.area__card > * {
  transition: transform 0.3s ease;
}

.area__num {
  display: block;
  margin-bottom: 12px;
  color: var(--cf-red);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.06em;
}

.area h3 {
  margin-bottom: 10px;
}

.area p {
  margin: 0;
}

/* ---------- 4. Zkušenosti ---------- */
.timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 24px;
  list-style: none;
  border-left: 2px solid var(--cf-blue);
}

/* Červená výplň osy podle toho, kam čtenář doscrolloval (--progress z JS) */
.timeline::after {
  content: "";
  position: absolute;
  left: -2px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cf-red);
  transform-origin: top;
  transform: scaleY(var(--progress, 0));
}

.timeline__item {
  position: relative;
  padding-bottom: 32px;
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--white);
  border: 2px solid var(--cf-blue);
}

.timeline__item::before {
  z-index: 1;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.timeline__item--current::before,
.timeline__item.is-passed::before {
  background: var(--cf-red);
  border-color: var(--cf-red);
}

.timeline__date {
  margin: 0 0 4px;
  color: var(--grey-70);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
}

.timeline__item h3 {
  margin-bottom: 2px;
}

.timeline__org {
  margin-bottom: 8px;
  font-weight: 500;
}

.timeline__item p:last-child {
  margin-bottom: 0;
}

.timeline__item--older {
  padding-bottom: 0;
}

.older summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 1.25rem;
  list-style: none;
}

.older summary::-webkit-details-marker {
  display: none;
}

.older summary::after {
  content: "+";
  display: inline-block;
  margin-left: 10px;
  color: var(--cf-red);
}

.older[open] summary::after {
  content: "–";
}

.older__years {
  margin-left: 8px;
  color: var(--grey-70);
  font-weight: 600;
  font-size: 0.9375rem;
}

.older__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.older__list li {
  padding: 10px 0;
  border-top: 1px solid var(--grey-15);
}

.older__date {
  display: block;
  color: var(--grey-70);
  font-weight: 600;
  font-size: 0.9375rem;
}

.older__org {
  display: block;
  color: var(--grey-70);
  font-size: 0.9375rem;
}

.certs {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--grey-15);
}

.certs h3 {
  margin-bottom: 16px;
}

.certs__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.certs__list li {
  padding-left: 14px;
  border-left: 3px solid var(--cf-red);
  font-weight: 500;
  line-height: 1.35;
}

.certs__list span {
  display: block;
  color: var(--grey-70);
  font-weight: 400;
  font-size: 0.9375rem;
}

/* ---------- 5. Kontakt ---------- */
.contact__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  margin-top: 8px;
}

.contact__mail {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.125rem;
  overflow-wrap: anywhere;
}

/* ---------- Patička ---------- */
.site-footer {
  background: var(--cf-blue);
  color: var(--white);
}

.site-footer__inner {
  padding-top: 8px;
  padding-bottom: 40px;
}

.site-footer p {
  margin: 0;
}

.site-footer__name {
  font-weight: 700;
  font-size: 1.25rem;
}

.site-footer a {
  color: var(--white);
}

.site-footer a:hover {
  color: var(--white);
  text-decoration-thickness: 2px;
}

.site-footer :focus-visible {
  outline-color: var(--white);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 20px 0;
  padding: 0;
  list-style: none;
  font-weight: 500;
}

.site-footer__copy {
  font-size: 0.875rem;
}

/* ==========================================================
   Tablet
   ========================================================== */
@media (min-width: 640px) {
  .areas,
  .certs__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact__actions {
    flex-direction: row;
    align-items: center;
    gap: 32px;
  }

  .older__list li {
    display: grid;
    grid-template-columns: 140px 1fr;
    column-gap: 16px;
  }

  .older__date {
    grid-row: span 2;
  }
}

/* ==========================================================
   Počítač
   ========================================================== */
@media (min-width: 900px) {
  :root {
    --gutter: 32px;
    --header-h: 76px;
  }

  .brand {
    padding: 10px;       /* ochranná zóna 20 % z 48 px */
    margin-left: -10px;
  }

  .brand img {
    height: 48px;
  }

  .site-nav {
    display: block;
  }

  .hero {
    padding-top: 72px;
  }

  .hero__inner {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: 64px;
    padding-bottom: 48px;
  }

  .hero__photo {
    order: 2;
    width: 100%;
    max-width: 380px;
    justify-self: end;
  }

  .hero__text {
    order: 1;
  }

  .hero__subtitle {
    font-size: 1.375rem;
  }

  .grid-motif {
    height: 120px;
  }

  .section {
    padding: 96px 0;
  }

  .areas {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .certs__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

/* ==========================================================
   Pohyb a 3D efekty
   ========================================================== */

/* Postupné vyjetí obsahu při scrollování (třídu js-motion přidává skript v <head>) */
.js-motion .reveal {
  opacity: 0;
  transform: perspective(900px) translateY(40px) rotateX(14deg);
  transform-origin: 50% 100%;
  transition:
    opacity 0.7s ease,
    transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1);
  transition-delay: var(--delay, 0s);
}

.js-motion .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Červená linka nad nadpisem sekce se vysune */
.js-motion .section h2.reveal::before {
  width: 0;
  transition: width 0.6s ease 0.3s;
}

.js-motion .section h2.reveal.is-visible::before {
  width: 40px;
}

/* Mřížka v úvodu a patičce se pomalu posouvá */
@keyframes grid-drift {
  from { background-position: 0 100%; }
  to   { background-position: 24px 100%; }
}

.js-motion .grid-motif {
  animation: grid-drift 10s linear infinite;
}

/* Efekty při najetí myší, jen pro zařízení s myší */
@media (hover: hover) and (pointer: fine) {
  .button {
    transition: background-color 0.15s, border-color 0.15s, top 0.2s ease, left 0.2s ease;
  }

  .button:hover {
    top: -4px;
    left: -4px;
  }

  .button:hover::before {
    transform: translate(6px, 6px);
  }

  .area:hover::before {
    opacity: 1;
    transform: translate(8px, 8px);
  }

  .area:hover .area__card {
    border-top-color: var(--cf-red);
  }

  /* Obsah karty „vystoupí“ nad její plochu */
  .area:hover .area__num {
    transform: translateZ(40px);
  }

  .area:hover .area__card h3 {
    transform: translateZ(28px);
  }

  .area:hover .area__card p {
    transform: translateZ(16px);
  }

  /* Červený blok za fotkou je v hloubce, fotka před ním */
  .hero__photo:hover::before {
    transform: translateZ(-50px);
  }

  .hero__photo:hover img {
    transform: translateZ(20px);
  }

  .hero__photo::before,
  .hero__photo img {
    transition: transform 0.3s ease;
  }

  .certs__list li {
    transition: border-left-width 0.2s ease, padding-left 0.2s ease;
  }

  .certs__list li:hover {
    border-left-width: 6px;
    padding-left: 18px;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .button:hover {
    top: 0;
    left: 0;
  }

  .button:hover::before {
    transform: none;
  }
}