/* ===========================================================
   NadLabem — bluegrassová kapela
   Rustikální / Americana styl
   =========================================================== */

:root {
  --brown-900: #241608;
  --brown-800: #2f1d0d;
  --brown-700: #43290f;
  --brown-600: #6b4423;
  --brown-500: #8a5a2b;
  --cream: #f6ecd0;
  --cream-soft: #fbf5e6;
  --paper: #f3e7c8;
  --sun: #e0892b;
  --sun-light: #f0a83f;
  --river: #2f7fb5;
  --forest: #4d6b34;

  --text: #2f1d0d;
  --text-soft: #5c4528;
  --text-invert: #f6ecd0;

  --font-display: "Playfair Display", Georgia, serif;
  --font-accent: "Rye", "Playfair Display", serif;
  --font-body: "Source Sans 3", "Segoe UI", system-ui, sans-serif;

  --shadow-sm: 0 4px 14px rgba(36, 22, 8, 0.12);
  --shadow-md: 0 12px 34px rgba(36, 22, 8, 0.22);
  --shadow-lg: 0 26px 60px rgba(36, 22, 8, 0.34);

  --radius: 14px;
  --maxw: 1140px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background-color: var(--paper);
  background-image:
    radial-gradient(circle at 12% 18%, rgba(224, 137, 43, 0.10), transparent 42%),
    radial-gradient(circle at 88% 8%, rgba(47, 127, 181, 0.08), transparent 40%),
    radial-gradient(circle at 50% 120%, rgba(77, 107, 52, 0.10), transparent 55%);
  line-height: 1.65;
  font-size: 1.05rem;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(1.1rem, 4vw, 2.4rem);
}

section { position: relative; }

.section-pad { padding-block: clamp(4rem, 9vw, 7.5rem); }

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto clamp(2.2rem, 5vw, 3.6rem);
}

.eyebrow {
  font-family: var(--font-accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  color: var(--sun);
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}
.eyebrow::before,
.eyebrow::after {
  content: "";
  width: 34px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--sun));
}
.eyebrow::after { background: linear-gradient(90deg, var(--sun), transparent); }

h1, h2, h3 { font-family: var(--font-display); line-height: 1.12; font-weight: 800; }

.section-head h2 {
  font-size: clamp(2rem, 5vw, 3.1rem);
  color: var(--brown-800);
  margin-top: 0.6rem;
}
.section-head p {
  margin-top: 1rem;
  color: var(--text-soft);
  font-size: 1.1rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background-color 0.25s var(--ease), color 0.25s var(--ease);
}
.btn-primary {
  background: linear-gradient(135deg, var(--sun-light), var(--sun));
  color: var(--brown-900);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.btn-ghost {
  background: transparent;
  border-color: rgba(246, 236, 208, 0.6);
  color: var(--cream);
}
.btn-ghost:hover { background: rgba(246, 236, 208, 0.12); transform: translateY(-3px); }
.btn-dark {
  background: var(--brown-800);
  color: var(--cream);
  box-shadow: var(--shadow-sm);
}
.btn-dark:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); background: var(--brown-700); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background-color 0.35s var(--ease), box-shadow 0.35s var(--ease),
    padding 0.35s var(--ease);
  padding-block: 1.1rem;
}
.site-header.scrolled {
  background: rgba(36, 22, 8, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  padding-block: 0.6rem;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--cream);
  letter-spacing: 0.01em;
  display: flex;
  align-items: baseline;
  gap: 0.1rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}
.brand span { color: var(--sun-light); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  list-style: none;
}
.nav-links a {
  color: var(--cream);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  position: relative;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.35);
}
.nav-links a:hover { background: rgba(240, 168, 63, 0.22); color: #fff; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0.4rem;
  position: relative;
  z-index: 120;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--cream);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.nav-toggle span + span { margin-top: 6px; }

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: grid;
  place-items: center;
  text-align: center;
  position: relative;
  color: var(--cream);
  padding: 7rem 1rem 4rem;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: url("kapela.jpg") center/cover no-repeat;
  transform: scale(1.05);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 50% 30%, rgba(36, 22, 8, 0.25), rgba(36, 22, 8, 0.78) 75%),
    linear-gradient(180deg, rgba(36, 22, 8, 0.65) 0%, rgba(36, 22, 8, 0.2) 35%, rgba(36, 22, 8, 0.92) 100%);
}
.hero-inner { max-width: 820px; }
.hero .eyebrow { color: var(--sun-light); }
.hero h1 {
  font-size: clamp(3rem, 11vw, 7rem);
  letter-spacing: 0.01em;
  margin: 0.6rem 0 0.4rem;
  text-shadow: 0 6px 30px rgba(0, 0, 0, 0.6);
}
.hero h1 span { color: var(--sun-light); }
.hero-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.15rem, 3vw, 1.7rem);
  color: var(--cream);
  opacity: 0.95;
}
.hero-desc {
  margin: 1.2rem auto 2rem;
  max-width: 560px;
  font-size: 1.1rem;
  opacity: 0.9;
}
.hero-actions { display: flex; gap: 0.9rem; justify-content: center; flex-wrap: wrap; }

.scroll-cue {
  position: absolute;
  bottom: 1.8rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--cream);
  opacity: 0.8;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.scroll-cue::after {
  content: "";
  width: 1px;
  height: 38px;
  background: linear-gradient(var(--cream), transparent);
  animation: cue 1.8s var(--ease) infinite;
}
@keyframes cue {
  0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
  40% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* ---------- About ---------- */
.about { background: var(--cream-soft); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.about-logo {
  position: relative;
  border-radius: var(--radius);
  padding: clamp(1.5rem, 4vw, 2.8rem);
  background:
    radial-gradient(circle at 50% 30%, rgba(240, 168, 63, 0.16), transparent 70%),
    #fff;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(107, 68, 35, 0.12);
}
.about-logo img { margin-inline: auto; }
.about-text h2 {
  font-size: clamp(1.9rem, 4.5vw, 2.8rem);
  color: var(--brown-800);
  margin: 0.5rem 0 1rem;
}
.about-text p { color: var(--text-soft); margin-bottom: 1rem; }
.about-text strong { color: var(--brown-700); }

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem 2.4rem;
  margin-top: 2rem;
  padding-top: 1.8rem;
  border-top: 1px dashed rgba(107, 68, 35, 0.3);
}
.fact .num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--sun);
  line-height: 1;
}
.fact .label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-soft);
  margin-top: 0.3rem;
}

/* ---------- Members ---------- */
.members { background: var(--brown-800); color: var(--cream); }
.members .section-head h2 { color: var(--cream); }
.members .section-head p { color: rgba(246, 236, 208, 0.78); }
.members-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1.4rem;
}
.member {
  background: linear-gradient(160deg, rgba(246, 236, 208, 0.08), rgba(246, 236, 208, 0.02));
  border: 1px solid rgba(246, 236, 208, 0.16);
  border-radius: var(--radius);
  padding: 2rem 1.4rem;
  text-align: center;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease),
    background-color 0.3s var(--ease);
}
.member:hover {
  transform: translateY(-8px);
  border-color: rgba(240, 168, 63, 0.5);
  background: linear-gradient(160deg, rgba(240, 168, 63, 0.14), rgba(246, 236, 208, 0.03));
}
.member-icon {
  width: 74px;
  height: 74px;
  margin: 0 auto 1.2rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 35% 30%, rgba(240, 168, 63, 0.35), rgba(36, 22, 8, 0.2));
  border: 1px solid rgba(240, 168, 63, 0.4);
  color: var(--cream);
}
.member-icon svg { width: 40px; height: 40px; }
.member h3 { font-size: 1.3rem; color: var(--cream); }
.member .instrument {
  margin-top: 0.4rem;
  font-family: var(--font-accent);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--sun-light);
  text-transform: uppercase;
}
.member .role { margin-top: 0.5rem; font-size: 0.92rem; color: rgba(246, 236, 208, 0.7); }

/* ---------- Concert ---------- */
.concert { background: var(--cream-soft); }
.concert-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.gig-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid rgba(107, 68, 35, 0.12);
}
.gig-date {
  background: linear-gradient(135deg, var(--brown-700), var(--brown-800));
  color: var(--cream);
  display: flex;
  align-items: center;
  gap: 1.4rem;
  padding: 1.6rem 2rem;
}
.gig-date .day {
  font-family: var(--font-display);
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 0.9;
  color: var(--sun-light);
}
.gig-date .month {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.9rem;
}
.gig-date .year { opacity: 0.7; font-size: 0.9rem; }
.gig-body { padding: 1.8rem 2rem 2rem; }
.gig-body h3 { font-size: 1.55rem; color: var(--brown-800); }
.gig-meta { list-style: none; margin: 1.2rem 0 1.6rem; display: grid; gap: 0.7rem; }
.gig-meta li { display: flex; gap: 0.7rem; align-items: flex-start; color: var(--text-soft); }
.gig-meta svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--sun); margin-top: 2px; }
.gig-note {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--brown-600);
  background: var(--paper);
  border-left: 4px solid var(--sun);
  padding: 0.8rem 1.1rem;
  border-radius: 0 8px 8px 0;
}
.poster {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  cursor: zoom-in;
  transition: transform 0.35s var(--ease);
  border: 6px solid #fff;
}
.poster:hover { transform: rotate(-1deg) scale(1.02); }

/* ---------- Album ---------- */
.album {
  background: var(--brown-900);
  color: var(--cream);
  overflow: hidden;
}
.album-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 6vw, 4.5rem);
  align-items: center;
}
.album-cover {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  cursor: zoom-in;
  transition: transform 0.4s var(--ease);
}
.album-cover img { width: 100%; }
.album-cover:hover { transform: translateY(-6px) scale(1.01); }
.album-cover .badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--sun);
  color: var(--brown-900);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
}
.album-text .eyebrow { color: var(--sun-light); }
.album-text h2 { font-size: clamp(2rem, 5vw, 3rem); margin: 0.6rem 0 1.1rem; }
.album-text p { color: rgba(246, 236, 208, 0.82); margin-bottom: 1.1rem; }
.album-actions { margin-top: 1.6rem; display: flex; gap: 0.9rem; flex-wrap: wrap; }

/* ---------- Contact / Footer ---------- */
.contact { background: var(--cream-soft); text-align: center; }
.contact .section-head { margin-bottom: 2rem; }
.contact-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.contact-card {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  background: #fff;
  border: 1px solid rgba(107, 68, 35, 0.14);
  border-radius: 999px;
  padding: 0.85rem 1.5rem;
  font-weight: 600;
  color: var(--brown-700);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.contact-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.contact-card svg { width: 20px; height: 20px; color: var(--sun); }

.site-footer {
  background: var(--brown-900);
  color: rgba(246, 236, 208, 0.7);
  text-align: center;
  padding: 2.6rem 1rem 2rem;
}
.site-footer .brand { justify-content: center; margin-bottom: 0.8rem; font-size: 1.7rem; }
.site-footer p { font-size: 0.9rem; }
.site-footer a { color: var(--sun-light); }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(20, 12, 4, 0.92);
  display: grid;
  place-items: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s var(--ease), visibility 0.3s var(--ease);
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox img {
  max-width: min(94vw, 1000px);
  max-height: 88vh;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  border: 5px solid #fff;
}
.lightbox-close {
  position: absolute;
  top: 1.4rem;
  right: 1.6rem;
  background: none;
  border: 0;
  color: var(--cream);
  font-size: 2.6rem;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.2s var(--ease);
}
.lightbox-close:hover { transform: rotate(90deg); }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .about-grid, .concert-grid, .album-grid { grid-template-columns: 1fr; }
  .about-logo { order: -1; }
  .album-cover { max-width: 360px; margin-inline: auto; }

  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    inset: 0 0 0 auto;
    z-index: 110;
    width: min(78vw, 320px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0.6rem;
    padding: 2rem;
    background: rgba(36, 22, 8, 0.98);
    backdrop-filter: blur(10px);
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
    box-shadow: var(--shadow-lg);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { width: 100%; font-size: 1.15rem; padding: 0.7rem 1rem; }
  .nav-open .nav-toggle span:nth-child(1) { transform: translateY(8.5px) rotate(45deg); }
  .nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav-open .nav-toggle span:nth-child(3) { transform: translateY(-8.5px) rotate(-45deg); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}