/* ============================================================
   ADVOKAT ILAVA — CSS Design System
   Mgr. Juraj Janco, advokát
   Elegant & Dynamic Legal Design System
   ============================================================ */

/* ============================================================
   1. GOOGLE FONTS
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,900;1,400;1,700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ============================================================
   2. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================================ */
:root {
  /* --- Primary Color Palette --- */
  --color-crimson:        #8B1A1A;
  --color-crimson-dark:   #6B1212;
  --color-crimson-light:  #A52828;
  --color-crimson-muted:  #C0504D;
  --color-crimson-pale:   #F5E8E8;

  /* --- Neutral / Papyrus Palette --- */
  --color-papyrus:        #F4EFE4;
  --color-papyrus-light:  #FAF7F2;
  --color-papyrus-warm:   #EDE5D4;
  --color-papyrus-deep:   #D9CFBA;

  /* --- Dark / Black Palette --- */
  --color-black:          #0D0D0D;
  --color-ink:            #1A1A1A;
  --color-charcoal:       #2C2C2C;
  --color-graphite:       #3D3D3D;
  --color-steel:          #5C5C5C;
  --color-mist:           #8A8A8A;

  /* --- Gold Accent --- */
  --color-gold:           #B8960C;
  --color-gold-light:     #D4AF37;
  --color-gold-pale:      #F0E4A0;

  /* --- Semantic Colors --- */
  --color-bg:             var(--color-papyrus-light);
  --color-bg-alt:         var(--color-papyrus);
  --color-bg-dark:        var(--color-ink);
  --color-text-primary:   var(--color-ink);
  --color-text-secondary: var(--color-graphite);
  --color-text-muted:     var(--color-steel);
  --color-text-light:     var(--color-papyrus-light);
  --color-accent:         var(--color-crimson);
  --color-accent-dark:    var(--color-crimson-dark);
  --color-border:         var(--color-papyrus-deep);
  --color-border-dark:    rgba(139, 26, 26, 0.2);

  /* --- Typography --- */
  --font-serif:           'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans:            'Inter', system-ui, -apple-system, sans-serif;

  /* --- Font Sizes (fluid) --- */
  --fs-xs:                clamp(0.70rem, 1.2vw, 0.75rem);
  --fs-sm:                clamp(0.82rem, 1.5vw, 0.875rem);
  --fs-base:              clamp(0.95rem, 1.8vw, 1rem);
  --fs-md:                clamp(1rem, 2vw, 1.125rem);
  --fs-lg:                clamp(1.1rem, 2.2vw, 1.25rem);
  --fs-xl:                clamp(1.25rem, 2.8vw, 1.5rem);
  --fs-2xl:               clamp(1.5rem, 3.5vw, 2rem);
  --fs-3xl:               clamp(1.9rem, 4.5vw, 2.75rem);
  --fs-4xl:               clamp(2.4rem, 5.5vw, 3.75rem);
  --fs-5xl:               clamp(3rem, 7vw, 5rem);
  --fs-hero:              clamp(3.2rem, 8vw, 6rem);

  /* --- Font Weights --- */
  --fw-light:             300;
  --fw-regular:           400;
  --fw-medium:            500;
  --fw-semibold:          600;
  --fw-bold:              700;
  --fw-black:             900;

  /* --- Line Heights --- */
  --lh-tight:             1.15;
  --lh-snug:              1.3;
  --lh-base:              1.6;
  --lh-relaxed:           1.75;
  --lh-loose:             2;

  /* --- Letter Spacing --- */
  --ls-tight:             -0.03em;
  --ls-normal:            0em;
  --ls-wide:              0.06em;
  --ls-wider:             0.12em;
  --ls-widest:            0.2em;

  /* --- Spacing Scale --- */
  --space-1:              0.25rem;
  --space-2:              0.5rem;
  --space-3:              0.75rem;
  --space-4:              1rem;
  --space-5:              1.25rem;
  --space-6:              1.5rem;
  --space-7:              1.75rem;
  --space-8:              2rem;
  --space-10:             2.5rem;
  --space-12:             3rem;
  --space-14:             3.5rem;
  --space-16:             4rem;
  --space-20:             5rem;
  --space-24:             6rem;
  --space-28:             7rem;
  --space-32:             8rem;
  --space-40:             10rem;

  /* --- Border Radius --- */
  --radius-sm:            2px;
  --radius-md:            4px;
  --radius-lg:            8px;
  --radius-xl:            12px;
  --radius-2xl:           20px;
  --radius-pill:          999px;

  /* --- Shadows --- */
  --shadow-xs:            0 1px 3px rgba(13, 13, 13, 0.08);
  --shadow-sm:            0 2px 8px rgba(13, 13, 13, 0.10);
  --shadow-md:            0 4px 20px rgba(13, 13, 13, 0.12);
  --shadow-lg:            0 8px 40px rgba(13, 13, 13, 0.16);
  --shadow-xl:            0 16px 60px rgba(13, 13, 13, 0.22);
  --shadow-2xl:           0 32px 80px rgba(13, 13, 13, 0.30);
  --shadow-crimson:       0 8px 32px rgba(139, 26, 26, 0.30);
  --shadow-crimson-lg:    0 16px 48px rgba(139, 26, 26, 0.40);
  --shadow-gold:          0 4px 20px rgba(184, 150, 12, 0.30);

  /* --- Transitions --- */
  --transition-fast:      150ms ease;
  --transition-base:      250ms ease;
  --transition-slow:      400ms ease;
  --transition-slower:    600ms ease;
  --transition-spring:    300ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* --- Z-Index Scale --- */
  --z-below:              -1;
  --z-base:               0;
  --z-raised:             10;
  --z-dropdown:           100;
  --z-sticky:             200;
  --z-overlay:            300;
  --z-modal:              400;
  --z-toast:              500;

  /* --- Container --- */
  --container-xs:         480px;
  --container-sm:         640px;
  --container-md:         768px;
  --container-lg:         1024px;
  --container-xl:         1200px;
  --container-2xl:        1400px;
  --container-pad:        clamp(1.25rem, 5vw, 2.5rem);

  /* --- Decorative --- */
  --ornament-color:       var(--color-gold-light);
  --divider-color:        var(--color-papyrus-deep);
}

/* ============================================================
   3. BASE RESET & GLOBAL STYLES
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

ul,
ol {
  list-style: none;
}

a {
  color: var(--color-crimson);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-crimson-dark);
}

a:focus-visible {
  outline: 2px solid var(--color-crimson);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-8) 0;
}

::selection {
  background-color: var(--color-crimson);
  color: var(--color-papyrus-light);
}

/* ============================================================
   4. TYPOGRAPHY SYSTEM
   ============================================================ */

/* Headings */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--font-serif);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  color: var(--color-ink);
}

h1, .h1 {
  font-size: var(--fs-4xl);
  font-weight: var(--fw-black);
  line-height: 1.05;
}

h2, .h2 {
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  line-height: 1.15;
}

h3, .h3 {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
}

h4, .h4 {
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
}

h5, .h5 {
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-base);
}

h6, .h6 {
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-base);
}

/* Body Text */
p {
  font-size: var(--fs-base);
  line-height: var(--lh-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

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

.lead {
  font-size: var(--fs-lg);
  font-weight: var(--fw-light);
  line-height: var(--lh-relaxed);
  color: var(--color-graphite);
}

.text-small,
small {
  font-size: var(--fs-sm);
  line-height: var(--lh-base);
  color: var(--color-text-muted);
}

.text-xs {
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
}

/* Decorative Text */
.display-text {
  font-family: var(--font-serif);
  font-size: var(--fs-hero);
  font-weight: var(--fw-black);
  line-height: 1;
  letter-spacing: var(--ls-tight);
}

.serif {
  font-family: var(--font-serif);
}

.italic {
  font-style: italic;
}

.overline {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-crimson);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-crimson);
  margin-bottom: var(--space-5);
}

.section-label::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-crimson), var(--color-gold-light));
  flex-shrink: 0;
}

/* Blockquote */
blockquote {
  border-left: 3px solid var(--color-crimson);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-8) 0;
  background: var(--color-crimson-pale);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

blockquote p {
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  font-style: italic;
  color: var(--color-ink);
  margin-bottom: 0;
}

/* Lists */
.list-styled {
  list-style: none;
  padding: 0;
}

.list-styled li {
  position: relative;
  padding-left: var(--space-6);
  margin-bottom: var(--space-3);
  font-size: var(--fs-base);
  color: var(--color-text-secondary);
}

.list-styled li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-crimson);
}

/* ============================================================
   5. LAYOUT SYSTEM
   ============================================================ */

/* Container */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.container-sm {
  max-width: var(--container-sm);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.container-md {
  max-width: var(--container-md);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.container-lg {
  max-width: var(--container-lg);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.container-2xl {
  max-width: var(--container-2xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* Section */
.section {
  padding-top: clamp(var(--space-16), 8vw, var(--space-32));
  padding-bottom: clamp(var(--space-16), 8vw, var(--space-32));
}

.section-sm {
  padding-top: clamp(var(--space-10), 5vw, var(--space-20));
  padding-bottom: clamp(var(--space-10), 5vw, var(--space-20));
}

.section-lg {
  padding-top: clamp(var(--space-20), 10vw, var(--space-40));
  padding-bottom: clamp(var(--space-20), 10vw, var(--space-40));
}

/* Section Backgrounds */
.section-light {
  background-color: var(--color-papyrus-light);
}

.section-alt {
  background-color: var(--color-papyrus);
}

.section-warm {
  background-color: var(--color-papyrus-warm);
}

.section-dark {
  background-color: var(--color-ink);
  color: var(--color-text-light);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4,
.section-dark h5,
.section-dark h6 {
  color: var(--color-papyrus-light);
}

.section-dark p {
  color: var(--color-papyrus-deep);
}

.section-crimson {
  background: linear-gradient(135deg, var(--color-crimson-dark) 0%, var(--color-crimson) 60%, var(--color-crimson-light) 100%);
  color: var(--color-text-light);
}

.section-crimson h1,
.section-crimson h2,
.section-crimson h3,
.section-crimson h4 {
  color: #fff;
}

.section-crimson p {
  color: rgba(244, 239, 228, 0.9);
}

/* Grid */
.grid {
  display: grid;
  gap: var(--space-8);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
}

.grid-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-16);
}

/* Section Header */
.section-header {
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}

.section-header.centered {
  text-align: center;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.section-header.centered .section-label {
  justify-content: center;
}

.section-header.centered .section-label::before {
  display: none;
}

.section-header.centered .section-label::after {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold-light), var(--color-crimson));
  flex-shrink: 0;
}

/* Ornamental Divider */
.ornament-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

.ornament-divider::before,
.ornament-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold-light));
}

.ornament-divider::after {
  background: linear-gradient(90deg, var(--color-gold-light), transparent);
}

.ornament-divider span {
  color: var(--color-gold-light);
  font-size: var(--fs-xl);
  line-height: 1;
}

/* ============================================================
   6. NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  padding: var(--space-5) 0;
  transition: background var(--transition-slow), box-shadow var(--transition-slow), padding var(--transition-slow);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* Transparent nav (on hero) */
.nav--transparent {
  background: transparent;
}

/* Scrolled nav */
.nav--scrolled,
.nav--solid {
  background: rgba(26, 26, 26, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.25);
  padding: var(--space-4) 0;
}

/* Nav Brand */
.nav-brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-brand-name {
  font-family: var(--font-serif);
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  color: #fff;
  letter-spacing: var(--ls-tight);
  line-height: 1.2;
  transition: color var(--transition-base);
}

.nav-brand-subtitle {
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-gold-light);
  line-height: 1;
}

.nav-brand:hover .nav-brand-name {
  color: var(--color-gold-light);
}

/* Nav Links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
}

.nav-link {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: rgba(244, 239, 228, 0.85);
  text-decoration: none;
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1px;
  background: var(--color-gold-light);
  transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: calc(100% - var(--space-8));
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--color-crimson);
  color: #fff;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background var(--transition-base), box-shadow var(--transition-base), transform var(--transition-spring);
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--color-crimson-dark);
  color: #fff;
  box-shadow: var(--shadow-crimson);
  transform: translateY(-1px);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: var(--radius-pill);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   7. HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--color-ink);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: var(--z-below);
  background: linear-gradient(
    135deg,
    var(--color-black) 0%,
    var(--color-charcoal) 40%,
    var(--color-crimson-dark) 100%
  );
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(139, 26, 26, 0.25) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(184, 150, 12, 0.08) 0%, transparent 60%);
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(244, 239, 228, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 239, 228, 0.025) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-parallax {
  position: absolute;
  inset: 0;
  z-index: var(--z-below);
  will-change: transform;
}

.hero-content {
  position: relative;
  z-index: var(--z-raised);
  width: 100%;
  padding-top: 100px;
  padding-bottom: var(--space-20);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-gold-light);
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--color-gold-light);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: var(--fs-hero);
  font-weight: var(--fw-black);
  line-height: 1;
  letter-spacing: var(--ls-tight);
  color: #fff;
  margin-bottom: var(--space-6);
}

.hero-title .accent {
  color: var(--color-crimson-muted);
  font-style: italic;
}

.hero-title .gold {
  color: var(--color-gold-light);
}

.hero-subtitle {
  font-size: var(--fs-lg);
  font-weight: var(--fw-light);
  line-height: var(--lh-relaxed);
  color: rgba(244, 239, 228, 0.8);
  max-width: 560px;
  margin-bottom: var(--space-10);
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
}

.hero-scroll-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: rgba(244, 239, 228, 0.5);
  animation: heroScrollBounce 2s ease-in-out infinite;
}