/* Styly prezentačního webu wattery monitoring.
   Staví na sdílených tokens.css + global.css (společné se sesterskými weby) —
   tady je jen to, co je specifické pro tenhle web: hlavička/patička, hero,
   snímky obrazovek, ceník, kalkulačka. */

/* Sora — nadpisové písmo značky. Sesterské weby ho tahají z npm balíčku
   @fontsource-variable/sora; tady se používá tentýž soubor, jaký už servíruje
   aplikace (web/lib/fonts/sora.woff2), jen zkopírovaný do buildu. */
@font-face {
  font-family: 'Sora Variable';
  src: url('/fonts/sora.woff2') format('woff2');
  font-weight: 100 800;
  font-display: swap;
}

/* ── Hlavička ──────────────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: background-color .25s ease, border-color .25s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-block: .8rem;
}

.logo-link { flex-shrink: 0; text-decoration: none; display: inline-flex; align-items: center; }
.logo-link:hover { text-decoration: none; }
/* Výška musí být v CSS: global.css má `img { height: auto }`, což by přebilo
   atribut height v HTML a logo by se vykreslilo v původní velikosti. */
.logo-img { width: auto; height: 2rem; }
.site-footer .logo-img { height: 1.6rem; }
.logo-img-white { display: none; }
[data-theme='dark'] .logo-img-dark { display: none; }
[data-theme='dark'] .logo-img-white { display: block; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-left: auto;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .92rem;
}

.main-nav a { color: var(--text); white-space: nowrap; }
.main-nav a:hover { color: var(--accent-text); text-decoration: none; }
.main-nav a[aria-current='page'] { color: var(--accent-text); }

.nav-sep { width: 1px; height: 1.1rem; background: var(--line); }

.cross-link {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  color: var(--text-soft) !important;
}
.cross-link:hover { color: var(--accent-text) !important; }

.header-actions { display: flex; align-items: center; gap: .75rem; flex-shrink: 0; }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent-text); }
.icon-moon { display: none; }
[data-theme='dark'] .icon-moon { display: block; }
[data-theme='dark'] .icon-sun { display: none; }

.header-cta { padding: .55rem 1.1rem; font-size: .85rem; }

/* ── Průhledná hlavička přes celoobrazovkové hero ──────────────────────────
   U vršku stránky splývá s fotkou; po odscrollování (.is-scrolled) ztmavne
   do běžné podoby. Text i logo jsou přes fotku vždy bílé, nezávisle na motivu. */
.site-header.hero-over:not(.is-scrolled) {
  background: transparent;
  border-bottom-color: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.hero-over:not(.is-scrolled) .main-nav a,
.hero-over:not(.is-scrolled) .theme-toggle { color: #fff; }
.hero-over:not(.is-scrolled) .cross-link { color: rgba(255, 255, 255, .82) !important; }
.hero-over:not(.is-scrolled) .main-nav a:hover,
.hero-over:not(.is-scrolled) .cross-link:hover { color: #fff !important; }
.hero-over:not(.is-scrolled) .theme-toggle { border-color: rgba(255, 255, 255, .4); }
.hero-over:not(.is-scrolled) .nav-sep { background: rgba(255, 255, 255, .3); }
.hero-over:not(.is-scrolled) .logo-img-dark { display: none; }
.hero-over:not(.is-scrolled) .logo-img-white { display: block; }
.hero-over:not(.is-scrolled) .logo-sub {
  color: var(--accent);
  border-left-color: rgba(255, 255, 255, .25);
}

/* Doplněk k logu — jméno webu za svislou čárou („wattery | MONITORING"),
   stejně jako na realizace.wattery.cz. */
.logo-sub {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .68rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent-text);
  border-left: 1.5px solid var(--line);
  padding-left: .55rem;
  margin-left: .6rem;
  line-height: 1;
}

@media (max-width: 480px) {
  .logo-sub { display: none; }
}

/* ── Hero přes celou obrazovku se slideshow ────────────────────────────────
   Stejný princip jako baterie.wattery.cz (fotky) a realizace.wattery.cz (video):
   hlavička leží průhledně přes fotky a po odscrollování ztmavne. */
.hero-immersive {
  position: relative;
  height: 100svh;
  min-height: 32rem;
  max-height: 58rem;
  display: flex;
  align-items: flex-end;      /* obsah dole vlevo, nad fotkami */
  overflow: hidden;
  isolation: isolate;
  background: var(--card-bg-top);
}

.hero-slideshow { position: absolute; inset: 0; z-index: -2; }

.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transform: scale(1.03);
  transition: opacity 1.2s ease, transform 6s ease;
}

.hero-slide.is-active { opacity: 1; transform: scale(1.1); }   /* jemný ken-burns */

/* Scrim pro čitelnost — tmavší vlevo dole (text) a nahoře (plovoucí hlavička).
   Slidy jsou snímky aplikace, tedy SVĚTLÉ; proti fotkám na sesterských webech
   proto potřebují ještě plošný závoj, jinak by na nich bílý text zmizel. */
.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(105deg, rgba(0, 24, 22, .93) 0%, rgba(0, 30, 26, .72) 42%, rgba(0, 30, 26, .42) 70%),
    linear-gradient(0deg, rgba(0, 20, 18, .55) 0%, transparent 45%),
    linear-gradient(180deg, rgba(0, 20, 18, .55) 0%, transparent 14%),
    linear-gradient(0deg, rgba(0, 22, 20, .45), rgba(0, 22, 20, .45));
}

.hero-content {
  /* ukotveno vlevo dole (ne v .container — na širokém monitoru by odskočilo do středu) */
  padding-left: clamp(1.5rem, 5vw, 5rem);
  padding-right: 1.5rem;
  padding-bottom: clamp(3rem, 8vh, 5.5rem);
  color: #fff;
  max-width: 50rem;
}

.hero-kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.1rem;
  text-shadow: 0 1px 12px rgba(0, 0, 0, .5);
}

.hero-immersive h1 {
  color: #fff;
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 1.08;
  margin-bottom: 1.1rem;
  text-shadow: 0 2px 24px rgba(0, 0, 0, .4);
}

.hero-immersive h1 em { font-style: italic; color: var(--accent); }

.hero-sub {
  color: rgba(255, 255, 255, .86);
  font-size: 1.08rem;
  max-width: 34rem;
  margin-bottom: 1.8rem;
  text-shadow: 0 1px 12px rgba(0, 0, 0, .35);
}

.hero-actions { display: flex; gap: .9rem; flex-wrap: wrap; }

/* Ghost tlačítko na fotografii — světlé. */
.btn-ghost-light {
  border: 1.5px solid rgba(255, 255, 255, .55);
  color: #fff;
  background: rgba(255, 255, 255, .04);
  backdrop-filter: blur(2px);
  border-radius: var(--radius-pill);
  padding: .8rem 1.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .95rem;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  transition: background-color .15s ease, transform .15s ease;
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, .14);
  text-decoration: none;
  transform: translateY(-1px);
}

@media (prefers-reduced-motion: reduce) {
  .hero-slide { transition: opacity .4s ease; transform: none; }
  .hero-slide.is-active { transform: none; }
}

/* Hero na podstránkách (bez fotek) — jen odsazený blok textu. */
.hero { padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(2rem, 5vw, 3.5rem); }

.hero-lead {
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--text-soft);
  max-width: 40rem;
  margin-bottom: 1.6rem;
}

.hero-note { font-size: .88rem; color: var(--text-soft); }

/* ── Pás čísel ─────────────────────────────────────────────────────────── */
.statband {
  background: var(--band-gradient);
  color: var(--text-on-dark);
  padding-block: clamp(1.6rem, 4vw, 2.4rem);
}

.statband-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 1.2rem 1.5rem;
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.6vw, 2.3rem);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label { font-size: .85rem; color: var(--text-on-dark-soft); }

/* ── Karty ─────────────────────────────────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 1.2rem;
}

.card {
  background: var(--card-gradient);
  color: var(--text-on-dark);
  border: var(--card-border);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: 1.5rem 1.4rem;
  transition: box-shadow .2s ease, transform .15s ease;
}

.card:hover { box-shadow: var(--card-hover-shadow); transform: translateY(-2px); }
.card h3 { color: var(--text-on-dark); margin-bottom: .4rem; }
.card p { color: var(--text-on-dark-soft); margin: 0; font-size: .95rem; }
.card-ico { font-size: 1.6rem; line-height: 1; margin-bottom: .7rem; }

/* Světlá varianta karty — na tmavém pásu by tmavá karta zanikla. */
.card-light {
  background: var(--page-bg-raised);
  color: var(--text);
  border: 1px solid var(--line);
}
.card-light h3 { color: var(--text); }
.card-light p { color: var(--text-soft); }

/* ── Sekce funkce: text + snímek ───────────────────────────────────────── */
.feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding-block: clamp(2rem, 5vw, 3.2rem);
  border-top: 1px solid var(--line);
}

.feature:first-of-type { border-top: 0; }
.feature-rev .feature-text { order: 2; }
.feature h2 { font-size: clamp(1.3rem, 2.6vw, 1.75rem); }
.feature p { color: var(--text-soft); }

.feature-list { margin: 0; padding-left: 1.1rem; color: var(--text-soft); }
.feature-list li { margin-bottom: .35rem; }

/* ── Snímek obrazovky v rámečku okna ───────────────────────────────────── */
.shot { margin: 0; }

.shot-frame {
  border-radius: var(--card-radius);
  overflow: hidden;
  background: var(--page-bg-raised);
  border: 1px solid var(--line);
  box-shadow: var(--card-shadow);
}

.shot-bar {
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem .8rem;
  background: color-mix(in srgb, var(--text) 6%, var(--page-bg-raised));
  border-bottom: 1px solid var(--line);
}

.shot-bar .dot { width: .6rem; height: .6rem; border-radius: 50%; opacity: .55; flex-shrink: 0; }
.dot-r { background: #ef6b62; }
.dot-y { background: #f4bf4f; }
.dot-g { background: #61c454; }

.shot-url {
  margin-left: .6rem;
  font-size: .72rem;
  color: var(--text-soft);
}

.shot img { display: block; width: 100%; height: auto; }

.shot figcaption {
  margin-top: .7rem;
  font-size: .85rem;
  color: var(--text-soft);
  line-height: 1.5;
}

.shot-phone .shot-frame { max-width: 290px; margin-inline: auto; }

/* ── Ceník ─────────────────────────────────────────────────────────────── */
.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  gap: 1.2rem;
  align-items: start;
}

.price-card {
  background: var(--page-bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  padding: 1.6rem 1.5rem;
  box-shadow: var(--card-shadow);
}

.price-card.is-highlight { border-color: var(--accent); border-width: 2px; }

.price-kicker {
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent-text);
}

.price-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.7rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: .3rem 0 .1rem;
}

.price-unit { font-size: .9rem; color: var(--text-soft); }

/* Varianta, kde je místo částky celá věta — velké číslo by se do řádku nevešlo. */
.price-value-text {
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  line-height: 1.25;
  margin-bottom: .8rem;
}

.price-list { list-style: none; margin: 1.1rem 0 1.4rem; padding: 0; }
.price-list li { padding-left: 1.5rem; position: relative; margin-bottom: .45rem; color: var(--text-soft); }
.price-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-text);
  font-weight: 700;
}

/* Tabulka pásem + srovnání */
.table-wrap { overflow-x: auto; }

table.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: .95rem;
  min-width: 32rem;
}

table.tbl th,
table.tbl td {
  padding: .6rem .8rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

table.tbl th {
  font-family: var(--font-display);
  font-size: .85rem;
  color: var(--text-soft);
  font-weight: 700;
}

table.tbl td.num,
table.tbl th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.tbl tr.is-strong td { font-weight: 700; }

/* ── Kalkulačka ────────────────────────────────────────────────────────── */
.calc {
  background: var(--page-bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
}

.calc-row { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.calc-row label { font-weight: 600; }
.calc input[type='range'] { flex: 1 1 14rem; accent-color: var(--accent); }

.calc-count {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  min-width: 3.5rem;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.calc-out {
  margin-top: 1.2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 1rem;
}

.calc-out div { text-align: center; }

.calc-num {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 800;
  color: var(--accent-text);
  font-variant-numeric: tabular-nums;
}

.calc-lbl { font-size: .82rem; color: var(--text-soft); }

.calc-note { margin: 1rem 0 0; font-size: .85rem; color: var(--text-soft); }

/* ── FAQ ───────────────────────────────────────────────────────────────── */
.faq details {
  border-bottom: 1px solid var(--line);
  padding: .9rem 0;
}

.faq summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  list-style: none;
}

.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: '＋ '; color: var(--accent-text); font-weight: 700; }
.faq details[open] summary::before { content: '－ '; }
.faq p { margin: .7rem 0 0; color: var(--text-soft); }

/* ── Závěrečné CTA ─────────────────────────────────────────────────────── */
.cta-band {
  background: var(--band-gradient);
  color: var(--text-on-dark);
  border-radius: var(--card-radius);
  padding: clamp(1.8rem, 5vw, 3rem);
  text-align: center;
}

.cta-band h2 { color: var(--text-on-dark); }
.cta-band p { color: var(--text-on-dark-soft); max-width: 38rem; margin-inline: auto; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: .8rem; margin-top: 1.4rem; }

/* ── Patička ───────────────────────────────────────────────────────────── */
.site-footer {
  margin-top: clamp(3rem, 7vw, 5rem);
  background: var(--band-gradient);
  color: var(--text-on-dark);
  padding-block: clamp(2.2rem, 5vw, 3rem) 1.2rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(14rem, 2fr) repeat(3, minmax(8rem, 1fr));
  gap: 1.8rem;
}

.footer-claim { color: var(--text-on-dark-soft); font-size: .92rem; margin-top: .8rem; }
.footer-col h3 { font-size: .95rem; color: var(--text-on-dark); margin-bottom: .6rem; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: .35rem; color: var(--text-on-dark-soft); font-size: .92rem; }
.footer-col a { color: var(--text-on-dark-soft); }
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  margin-top: 1.8rem;
  padding-top: 1.1rem;
  border-top: 1px solid rgba(255, 255, 255, .12);
}

.footer-bottom p { margin: 0; font-size: .85rem; color: var(--text-on-dark-soft); }

/* ── Drobnosti ─────────────────────────────────────────────────────────── */
.lead { font-size: 1.05rem; color: var(--text-soft); max-width: 44rem; }
.muted { color: var(--text-soft); }
.small { font-size: .88rem; }
.center { text-align: center; }
.mt-2 { margin-top: 1.4rem; }

/* Poctivá poznámka (např. „část přínosu je jen přechod na spot") — ať nezanikne. */
.callout {
  border-left: 3px solid var(--accent);
  background: var(--chip-bg);
  padding: .9rem 1.1rem;
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  color: var(--text);
}

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

/* ── Responzivita ──────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .feature { grid-template-columns: 1fr; }
  .feature-rev .feature-text { order: 0; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .header-inner { flex-wrap: wrap; gap: .6rem 1rem; }
  .main-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    gap: .9rem;
    font-size: .88rem;
    overflow-x: auto;
    padding-bottom: .2rem;
  }
  .header-actions { margin-left: auto; }
  .header-cta { padding: .5rem .9rem; font-size: .8rem; }
}

@media (max-width: 560px) {
  .footer-inner { grid-template-columns: 1fr; }
  .theme-toggle { width: 2rem; height: 2rem; }
  .header-cta { padding: .45rem .7rem; font-size: .74rem; }
}