/* =========================================
   VLTAVA DEV — SHARED STYLES
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Syne:wght@400;500;600;700;800&display=swap');

:root {
  --black:   #0a0a0a;
  --off-black: #111111;
  --dark:    #181818;
  --mid:     #252525;
  --border:  #2a2a2a;
  --white:   #f8f6f2;
  --off-white: #ede9e1;
  --muted:   #888480;
  --accent:  #e05a2b;
  --accent-light: #f07248;
  --accent-dark: #b8431a;
  --light-bg: #f5f2ed;
  --light-card: #ffffff;

  --font-display: 'DM Serif Display', serif;
  --font-body:    'Syne', sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 40px;

  --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.18s ease;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: var(--font-body); cursor: pointer; border: none; }

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* =========================================
   NAVIGATION
   ========================================= */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 5vw;
  height: 72px;
  display: flex; align-items: center; justify-content: space-between;
  transition: background var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(20px);
  border-color: var(--border);
}

.nav-logo {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.5px;
  display: flex; align-items: center; gap: 6px;
}

.nav-logo .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  animation: dotPulse 2.5s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.6; }
}

.nav-links {
  display: flex; align-items: center; gap: 2.5rem;
}

.nav-links a {
  font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.5px; text-transform: uppercase;
  color: var(--muted);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute; bottom: -4px; left: 0; right: 0;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition-fast);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--white);
}
.nav-links a:hover::after, .nav-links a.active::after {
  transform: scaleX(1);
}

.nav-cta {
  background: var(--accent);
  color: var(--white) !important;
  padding: 0.55rem 1.4rem;
  border-radius: var(--radius-xl);
  font-size: 0.82rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.5px;
  transition: background var(--transition-fast), transform var(--transition-fast) !important;
}

.nav-cta::after { display: none !important; }

.nav-cta:hover {
  background: var(--accent-light) !important;
  transform: scale(1.04) !important;
}

.hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: var(--transition);
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav-links { 
    display: none;
    position: fixed; top: 72px; left: 0; right: 0; bottom: 0;
    background: var(--off-black);
    flex-direction: column; align-items: center; justify-content: center;
    gap: 2rem;
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.2rem !important; }
  .hamburger { display: flex; }
  .hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
  background: var(--off-black);
  border-top: 1px solid var(--border);
  padding: 5rem 5vw 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  max-width: 1200px; margin: 0 auto;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}

.footer-brand p {
  color: var(--muted); font-size: 0.9rem; line-height: 1.7;
  margin-top: 1rem; max-width: 280px;
}

.footer-col h4 {
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--muted); margin-bottom: 1.2rem;
}

.footer-col a {
  display: block; color: var(--off-white);
  font-size: 0.9rem; margin-bottom: 0.7rem;
  transition: color var(--transition-fast);
}
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  max-width: 1200px; margin: 2rem auto 0;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.78rem; color: var(--muted);
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-body); font-weight: 700;
  font-size: 0.88rem; letter-spacing: 0.3px;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-xl);
  transition: all var(--transition);
  cursor: pointer; border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent); color: var(--white);
}
.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(224, 90, 43, 0.35);
}

.btn-outline-dark {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--white);
}
.btn-outline-dark:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.05);
  transform: translateY(-2px);
}

.btn-outline-light {
  background: transparent;
  border: 1.5px solid rgba(10,10,10,0.2);
  color: var(--black);
}
.btn-outline-light:hover {
  border-color: var(--black);
  background: rgba(0,0,0,0.05);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--white); color: var(--black);
}
.btn-white:hover {
  background: var(--off-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.btn-lg {
  font-size: 1rem;
  padding: 1.1rem 2.6rem;
}

.btn svg, .btn .arrow {
  transition: transform var(--transition-fast);
}
.btn:hover .arrow { transform: translateX(4px); }

/* =========================================
   SECTION UTILITIES
   ========================================= */
.section { padding: 7rem 5vw; }
.section-sm { padding: 4rem 5vw; }

.container { max-width: 1200px; margin: 0 auto; }

.section-label {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1.2rem;
}
.section-label::before {
  content: '';
  display: block; width: 20px; height: 1px;
  background: var(--accent);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.5px;
  margin-bottom: 1.5rem;
}

.section-title em {
  font-style: italic;
  color: var(--accent);
}

.section-sub {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--muted);
  max-width: 560px;
}

/* LIGHT SECTION OVERRIDES */
.light {
  background: var(--light-bg);
  color: var(--black);
}
.light .section-sub { color: #666; }
.light .section-label { color: var(--accent); }

/* =========================================
   ANIMATIONS
   ========================================= */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* =========================================
   FORM STYLES (shared)
   ========================================= */
.form-group { margin-bottom: 1.2rem; }
.form-group label {
  display: block;
  font-size: 0.78rem; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase;
  margin-bottom: 0.5rem; color: var(--muted);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--mid);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.1rem;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(224,90,43,0.12);
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-group select option { background: var(--mid); }

/* Light form */
.form-light .form-group input,
.form-light .form-group textarea,
.form-light .form-group select {
  background: var(--white);
  border-color: #ddd;
  color: var(--black);
}
.form-light .form-group label { color: #555; }

/* =========================================
   TICKER
   ========================================= */
.ticker-wrap {
  overflow: hidden;
  background: var(--accent);
  padding: 0.85rem 0;
  border-top: 1px solid var(--accent-dark);
  border-bottom: 1px solid var(--accent-dark);
}
.ticker-inner {
  display: inline-flex;
  white-space: nowrap;
  animation: ticker 28s linear infinite;
}
.ticker-item {
  font-size: 0.78rem; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--white);
  padding: 0 2.5rem;
  opacity: 0.9;
}
.ticker-sep {
  color: rgba(255,255,255,0.35);
}
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* =========================================
   PAGE HERO (inner pages)
   ========================================= */
.page-hero {
  padding: 10rem 5vw 6rem;
  background: var(--off-black);
  border-bottom: 1px solid var(--border);
}
.page-hero .page-hero-inner {
  max-width: 1200px; margin: 0 auto;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6rem);
  line-height: 1;
  letter-spacing: -1px;
  margin: 1rem 0 1.5rem;
}
.page-hero h1 em { font-style: italic; color: var(--accent); }
.page-hero p {
  font-size: 1.1rem; color: var(--muted); line-height: 1.7; max-width: 520px;
}