/* Design System — Otcovská Daňové Poradenství */
:root {
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', system-ui, sans-serif;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --accent: #059669;
  --stone-600: #57534e;
  --shadow-soft: 0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -1px rgba(0,0,0,.04);
  --shadow-medium: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -2px rgba(0,0,0,.04);
  --transition: all .3s cubic-bezier(.4,0,.2,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{font-family:var(--font-sans);line-height:1.6;color:var(--stone-600);overflow-x:hidden}

h1,h2,h3{font-family:var(--font-serif);font-weight:600;line-height:1.2;letter-spacing:-.02em}
h1{font-size:clamp(2.25rem,5vw,3.75rem)}
h2{font-size:clamp(1.75rem,4vw,2.5rem)}
h3{font-size:clamp(1.25rem,3vw,1.5rem)}

/* Navigation */
#navbar{transition:var(--transition);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
#navbar.scrolled{background:rgba(255,255,255,.97);box-shadow:var(--shadow-medium)}

.nav-link{position:relative;transition:all .2s ease}
.nav-link::after{content:'';position:absolute;width:0;height:2px;bottom:-4px;left:50%;background:var(--primary);transition:all .2s ease;transform:translateX(-50%)}
.nav-link:hover::after,.nav-link.active::after{width:100%}

/* Service Cards */
.service-card{transition:var(--transition);min-height:auto}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-medium)}

/* Mobile Menu */
#mobile-menu{transition:var(--transition);max-height:0;overflow:hidden}
#mobile-menu.open{max-height:400px}

/* Form */
input:focus,textarea:focus,select:focus{transform:translateY(-1px);box-shadow:0 4px 12px rgba(15,118,110,.1)}

/* Scrollbar */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:#f5f5f4}
::-webkit-scrollbar-thumb{background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:3px}

/* Loading */
.loading{position:relative;pointer-events:none}
.loading::after{content:'';position:absolute;top:50%;left:50%;width:20px;height:20px;margin:-10px 0 0 -10px;border:2px solid #e5e7eb;border-top:2px solid var(--primary);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}

/* Form success */
.form-success{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;flex-direction:column;border-radius:1rem;opacity:0;visibility:hidden;transition:var(--transition)}
.form-success.show{opacity:1;visibility:visible}

/* Mobile hero compression — get CTAs above fold */
@media(max-width:767px){
  #home{padding-top:4.5rem!important;padding-bottom:2rem!important}
  #home h1{font-size:1.85rem!important;line-height:1.15!important;margin-bottom:.25rem!important}
  #home .space-y-8{gap:1rem!important}
  #home .space-y-5{gap:.5rem!important}
  #home .inline-flex.items-center.px-4.py-2{padding:.35rem .75rem!important;margin-bottom:.25rem!important}
  #home .inline-flex.items-center.px-4.py-2 span{font-size:.75rem!important}
  #home p.text-lg{font-size:.95rem!important;line-height:1.5!important}
  #home .flex.flex-col.sm\\:flex-row.gap-4 a{padding:.75rem 1.5rem!important;font-size:1rem!important}
  #home .flex.items-center.space-x-8.pt-4{padding-top:.5rem!important}
  #home .flex.items-center.space-x-8.pt-4 .font-bold{font-size:1.25rem!important}
  #home .flex.items-center.space-x-8.pt-4 .text-sm{font-size:.7rem!important}
  /* Hide trust badges card on mobile — they repeat in About section */
  #home .lg\\:col-span-2{display:none!important}
}

/* Floating phone CTA on mobile */
.floating-cta{display:none;position:fixed;bottom:1.25rem;right:1.25rem;z-index:40;width:56px;height:56px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:50%;box-shadow:0 4px 14px rgba(15,118,110,.4);align-items:center;justify-content:center;color:#fff;font-size:1.5rem;transition:transform .2s ease}
.floating-cta:hover{transform:scale(1.1)}
@media(max-width:767px){.floating-cta{display:flex}}

/* Improved text contrast */
.text-stone-600{color:#44403c!important}
.text-stone-500{color:#57534e!important}

/* Accessibility */
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* Print */
@media print{.no-print{display:none!important}body{color:#000!important;background:#fff!important}}