/* ===================================================
   Zuzana Chlupová — Landing Page
   Barevné schéma: černá #0E0E0E / krémová #F3EBDD
   =================================================== */

/* ---------- RESET & BASE ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black:   #0E0E0E;
  --black-2: #000000;
  --cream:   #F3EBDD;
  --cream-dim: rgba(243, 235, 221, 0.7);
  --accent:  #C9A96E;       /* zlatavá — decentní akcent */
  --gap:     clamp(1rem, 4vw, 2rem);
  --radius:  0.75rem;
  --trans:   0.3s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--black);
  color: var(--cream);
  font-family: 'Inter', sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol { list-style: none; }

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3 {
  font-family: 'Montserrat', sans-serif;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 900;
}

h3 {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 700;
}

p { font-size: clamp(0.95rem, 1.5vw, 1.05rem); }

.label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

/* ---------- LAYOUT ---------- */
.container {
  width: min(1200px, 100% - 2 * var(--gap));
  margin-inline: auto;
}

.section {
  padding-block: clamp(4rem, 10vw, 7rem);
}

.section-header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-block;
  padding: 0.85em 2em;
  border-radius: 3rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform var(--trans), box-shadow var(--trans), background-color var(--trans), color var(--trans);
  border: 2px solid transparent;
}

.btn--primary {
  background-color: var(--cream);
  color: var(--black);
  border-color: var(--cream);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--accent);
  border-color: var(--accent);
  color: var(--black);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 169, 110, 0.35);
}

.btn--outline {
  background-color: transparent;
  color: var(--cream);
  border-color: var(--cream);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  background-color: var(--cream);
  color: var(--black);
  transform: translateY(-2px);
}

/* ---------- NAV ---------- */
.nav-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(14, 14, 14, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(243, 235, 221, 0.08);
  transition: background-color var(--trans);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-block: 1rem;
}

.nav__logo {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.4rem;
  letter-spacing: 0.05em;
  color: var(--cream);
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  margin-left: auto;
}

.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--cream-dim);
  transition: color var(--trans);
}

.nav__links a:hover { color: var(--cream); }

.nav__cta { margin-left: 0.5rem; padding: 0.55em 1.4em; font-size: 0.85rem; }

/* hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  margin-left: auto;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--cream);
  transition: transform var(--trans), opacity var(--trans);
}

/* ---------- HERO ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  background: linear-gradient(135deg, #000 0%, #0E0E0E 60%, #1a1208 100%);
  overflow: hidden;
}

.hero__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  padding-block: clamp(3rem, 8vw, 5rem);
}

.hero__text { display: flex; flex-direction: column; align-items: flex-start; gap: 1.25rem; }

.hero__name {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--cream);
}

.hero__subtitle {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(0.85rem, 1.8vw, 1rem);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero__claim {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--cream-dim);
  font-style: italic;
  max-width: 38ch;
}

.hero__cta { margin-top: 0.5rem; }

.hero__image-wrap {
  position: relative;
  display: flex;
  justify-content: flex-end;
}

.hero__image-wrap::before {
  content: '';
  position: absolute;
  inset: 10% -5% -5% 10%;
  border: 2px solid rgba(201, 169, 110, 0.25);
  border-radius: var(--radius);
  z-index: 0;
}

.hero__image {
  position: relative;
  z-index: 1;
  border-radius: var(--radius);
  width: 100%;
  max-height: 75vh;
  object-fit: cover;
  object-position: top center;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}

/* ---------- O MNĚ ---------- */
.o-mne {
  background-color: var(--black-2);
}

.o-mne__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
}

.o-mne__image-wrap { position: relative; }

.o-mne__image-wrap::after {
  content: '';
  position: absolute;
  inset: -8px;
  border: 2px solid rgba(201, 169, 110, 0.2);
  border-radius: var(--radius);
  pointer-events: none;
}

.o-mne__image {
  border-radius: var(--radius);
  width: 100%;
  max-height: 65vh;
  object-fit: cover;
  object-position: center top;
}

.o-mne__text { display: flex; flex-direction: column; gap: 1.25rem; align-items: flex-start; }
.o-mne__text p { color: var(--cream-dim); }

/* ---------- SLUŽBY ---------- */
.sluzby__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: 1.5rem;
}

.card {
  background-color: rgba(243, 235, 221, 0.04);
  border: 1px solid rgba(243, 235, 221, 0.1);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background-color var(--trans), border-color var(--trans), transform var(--trans);
}

.card:hover {
  background-color: rgba(201, 169, 110, 0.08);
  border-color: rgba(201, 169, 110, 0.35);
  transform: translateY(-4px);
}

.card__icon {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--accent);
}

.card__icon svg { width: 100%; height: 100%; }
.card p { color: var(--cream-dim); }

/* ---------- PROČ JÁ ---------- */
.proc-ja { background-color: var(--black-2); }

.proc-ja__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: 2rem;
}

.proc-ja__item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.proc-ja__icon {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  color: var(--accent);
  margin-top: 0.2rem;
}

.proc-ja__icon svg { width: 100%; height: 100%; }

.proc-ja__item h3 { margin-bottom: 0.4rem; }
.proc-ja__item p { color: var(--cream-dim); font-size: 0.95rem; }

/* ---------- GALERIE ---------- */
.galerie { padding-block: 0; }

.galerie__img {
  width: 100%;
  max-height: 55vh;
  object-fit: cover;
  object-position: center;
}

/* ---------- REFERENCE ---------- */
.reference__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
  gap: 1.5rem;
}

.testimonial {
  background-color: rgba(243, 235, 221, 0.04);
  border: 1px solid rgba(243, 235, 221, 0.1);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 4vw, 2.25rem);
}

.testimonial__text {
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-style: italic;
  margin-bottom: 1rem;
}

.testimonial__author {
  font-size: 0.85rem;
  color: var(--cream-dim);
}

.testimonial__author em {
  display: block;
  font-size: 0.78rem;
  opacity: 0.6;
  margin-top: 0.2rem;
}

/* ---------- KONTAKT ---------- */
.kontakt { background-color: var(--black-2); }

.kontakt__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.kontakt__info { display: flex; flex-direction: column; gap: 1rem; }
.kontakt__info h2 { margin-bottom: 0.25rem; }
.kontakt__info > p { color: var(--cream-dim); }

.kontakt__details {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 0.75rem;
}

.kontakt__details li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--cream-dim);
}

.kontakt__details li svg {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
  color: var(--accent);
}

.kontakt__details a:hover { color: var(--cream); text-decoration: underline; }

/* form */
.kontakt__form { display: flex; flex-direction: column; gap: 1.25rem; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cream-dim);
}

.form-group input,
.form-group textarea {
  background-color: rgba(243, 235, 221, 0.05);
  border: 1px solid rgba(243, 235, 221, 0.15);
  border-radius: 0.5rem;
  padding: 0.85em 1em;
  color: var(--cream);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  width: 100%;
  transition: border-color var(--trans), background-color var(--trans);
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(243, 235, 221, 0.3); }

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background-color: rgba(201, 169, 110, 0.06);
}

/* ---------- PATIČKA ---------- */
.footer {
  background-color: var(--black-2);
  border-top: 1px solid rgba(243, 235, 221, 0.08);
  padding-block: 1.75rem;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer p { font-size: 0.85rem; color: var(--cream-dim); }

.footer__ig {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--cream-dim);
  transition: color var(--trans);
}

.footer__ig:hover { color: var(--accent); }
.footer__ig svg { width: 1.1rem; height: 1.1rem; }

/* ---------- SCROLL REVEAL ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .hero__content,
  .o-mne__grid,
  .kontakt__grid {
    grid-template-columns: 1fr;
  }

  .hero__image-wrap {
    justify-content: center;
    order: -1;
  }

  .hero__image-wrap::before { display: none; }

  .hero__image {
    max-height: 55vw;
  }

  .hero__text { align-items: center; text-align: center; }
  .hero__claim { text-align: center; }

  .o-mne__image-wrap { max-height: 55vw; overflow: hidden; }
  .o-mne__image { max-height: 55vw; }
  .o-mne__image-wrap::after { display: none; }
}

@media (max-width: 680px) {
  .nav__links,
  .nav__cta {
    display: none;
    pointer-events: none;
  }

  .nav__toggle { display: flex; }

  /* nav-wrapper se rozepne přes celou výšku — solid pozadí bez průhlednosti */
  .nav-wrapper.is-open {
    bottom: 0;
    background-color: var(--black);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  /* open state — absolutně uvnitř nav-wrapperu (fixed by řešil backdrop-filter) */
  .nav.is-open .nav__links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    position: absolute;
    top: 4rem;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 2rem;
    overflow-y: auto;
    pointer-events: all;
  }

  .nav.is-open .nav__links a {
    font-size: 1.5rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--cream);
  }

  .nav.is-open .nav__cta {
    display: inline-block;
    pointer-events: all;
    margin-top: 1rem;
    font-size: 1rem;
  }

  .nav__toggle { z-index: 100; }

  /* hamburger → X animation */
  .nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
  .nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .footer__inner { flex-direction: column; text-align: center; }
}