/* ============================================================
   DIGITAL HUB — Daniel "Dndskid" Horáček
   Design System & Styles — Silver/Platinum Theme
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;600;700;800;900&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors — Deep Charcoal / Obsidian Base matching the favicon */
  --bg-primary: #08090b;
  --bg-secondary: #0d0e12;
  --bg-surface: #12141a;
  --bg-card: #151720;
  --bg-card-hover: #1c1e29;

  /* Accent — Pure Platinum & Metallic Silver (Monochrome Luxury) */
  --accent: #ffffff;
  --accent-light: #f8fafc;
  --accent-silver: #cbd5e1;
  --accent-dark: #64748b;
  --accent-glow: rgba(255, 255, 255, 0.06);
  --accent-glow-strong: rgba(255, 255, 255, 0.18);

  /* Text */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.28);

  /* Spacing */
  --section-padding: clamp(4rem, 8vw, 8rem);
  --container-max: 1200px;
  --container-px: clamp(1.25rem, 4vw, 3rem);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5), 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.7), 0 0 30px rgba(255, 255, 255, 0.05);
  --shadow-glow: 0 0 60px rgba(255, 255, 255, 0.06);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

::selection {
  background: var(--accent);
  color: #fff;
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  outline: none;
  font: inherit;
  background: none;
  color: inherit;
}

/* ---------- Typography ---------- */
.font-heading {
  font-family: 'Outfit', sans-serif;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ---------- Layout ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
}

.section {
  padding: var(--section-padding) 0;
  position: relative;
}

/* ---------- Background Noise Texture ---------- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  pointer-events: none;
}

/* ---------- Animated Grid Background (Hero) ---------- */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 70%);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, rgba(200, 215, 235, 0.02) 40%, transparent 70%);
  pointer-events: none;
  opacity: 0.8;
}

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: var(--transition-smooth);
  background: transparent;
}

.header.scrolled {
  background: rgba(8, 9, 11, 0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.75rem 0;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: var(--transition-fast);
}

.logo:hover {
  transform: scale(1.02);
}

.logo-badge-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.logo-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: #ffffff;
}

.logo-subtitle {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--text-secondary);
}

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

.nav-links {
  display: flex;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  border-radius: var(--radius-sm);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

/* CTA Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: #ffffff;
  color: #090a0d;
  font-weight: 700;
  box-shadow: 0 2px 16px rgba(255, 255, 255, 0.15), 0 0 1px rgba(255, 255, 255, 0.8);
}

.btn-primary:hover {
  background: #e2e8f0;
  color: #000000;
  box-shadow: 0 4px 25px rgba(255, 255, 255, 0.3), 0 0 1px rgba(255, 255, 255, 1);
  transform: translateY(-2px);
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #f8fafc;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.45);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
}

.btn-ghost:hover {
  color: var(--text-primary);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu Overlay */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(8, 9, 11, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.mobile-menu.open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}

.mobile-menu .nav-link {
  font-size: 1.5rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding-top: 5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1.1rem 0.45rem 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 2rem;
  backdrop-filter: blur(12px);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.hero-title {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 1.5rem;
  max-width: 800px;
}

.hero-title .highlight {
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 50%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  font-weight: 400;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 4rem;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: float-down 2s ease-in-out infinite;
}

.hero-scroll-indicator svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent);
}

@keyframes float-down {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-light);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.section-label::before,
.section-label::after {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
  opacity: 0.4;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about {
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 1;
  background: #08090b;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.6s ease;
}

.about-image-wrapper:hover .about-avatar-img {
  transform: scale(1.04);
}


.about-avatar {
  font-size: 8rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 50%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  user-select: none;
}

.about-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  pointer-events: none;
}

.about-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 130%;
  height: 130%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.about-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Tech Stack Tags */
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.tech-tag {
  padding: 0.38rem 0.95rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: #e2e8f0;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}

.tech-tag:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.35);
  color: #ffffff;
  transform: translateY(-1px);
}

/* ============================================================
   PORTFOLIO SECTION
   ============================================================ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
  cursor: pointer;
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.07);
}

.project-card:hover {
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.7), 0 0 30px rgba(255, 255, 255, 0.04), inset 0 1px 0 0 rgba(255, 255, 255, 0.18);
  transform: translateY(-4px);
}

/* Featured card spans full width */
.project-card.featured {
  grid-column: 1 / -1;
}

.project-card.featured .project-preview {
  aspect-ratio: 21/9;
}

.project-preview {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-surface);
}

.project-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-preview img {
  transform: scale(1.03);
}

.project-preview-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(8, 9, 11, 0.88) 100%);
  opacity: 0;
  transition: var(--transition-smooth);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 1.5rem;
}

.project-card:hover .project-preview-overlay {
  opacity: 1;
}

.project-preview-btn {
  padding: 0.65rem 1.6rem;
  background: #ffffff;
  color: #08090b;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 20px rgba(255, 255, 255, 0.25);
  transform: translateY(10px);
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.project-card:hover .project-preview-btn {
  transform: translateY(0);
}

.project-info {
  padding: 1.25rem 1.5rem 1.5rem;
}

.project-category {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent-light);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
}

.project-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.project-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.project-tech-tag {
  padding: 0.2rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services {
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.service-card {
  padding: 2.25rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #ffffff, transparent);
  opacity: 0;
  transition: var(--transition-smooth);
}

.service-card:hover {
  border-color: rgba(255, 255, 255, 0.25);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.6), 0 0 25px rgba(255, 255, 255, 0.04);
}

.service-card:hover::before {
  opacity: 0.9;
}

.service-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: var(--transition-smooth);
}

.service-icon svg {
  width: 24px;
  height: 24px;
  stroke: #e2e8f0;
  transition: var(--transition-fast);
}

.service-card:hover .service-icon {
  background: #ffffff;
  border-color: #ffffff;
  box-shadow: 0 0 22px rgba(255, 255, 255, 0.35);
}

.service-card:hover .service-icon svg {
  stroke: #08090b;
}

.service-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.service-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.35rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.contact-method:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.contact-method-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition-fast);
}

.contact-method-icon svg {
  width: 18px;
  height: 18px;
  stroke: #e2e8f0;
  transition: var(--transition-fast);
}

.contact-method:hover .contact-method-icon {
  background: #ffffff;
  border-color: #ffffff;
}

.contact-method:hover .contact-method-icon svg {
  stroke: #08090b;
}

.contact-method-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-method-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

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

.form-input,
.form-textarea {
  padding: 0.9rem 1.15rem;
  background: #0d0e13;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.14);
  background: #121319;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-status {
  display: none;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  line-height: 1.5;
  width: 100%;
}

.form-status.active {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  animation: fadeIn 0.3s ease;
}

.form-status.success {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.form-status.warning {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fbbf24;
}

.form-status.error {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.form-input.has-error,
.modal-input.has-error,
.modal-textarea.has-error {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.25) !important;
  background: rgba(239, 68, 68, 0.05) !important;
}

.field-error-hint {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: #f87171;
  margin-top: 0.4rem;
  line-height: 1.4;
  animation: fadeIn 0.2s ease;
}

.field-error-hint svg {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
}

.form-status-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 1px;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spin {
  animation: spin 0.8s linear infinite;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 0 2rem;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-link {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.footer-link:hover {
  color: #ffffff;
}

.footer-socials {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.social-link:hover {
  background: #ffffff;
  border-color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 18px rgba(255, 255, 255, 0.25);
}

.social-link svg {
  width: 17px;
  height: 17px;
  stroke: var(--text-secondary);
  transition: var(--transition-fast);
}

.social-link:hover svg {
  stroke: #08090b;
}

/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.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; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ============================================================
   SECTION DIVIDER
   ============================================================ */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-visual {
    max-width: 320px;
    margin: 0 auto;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .project-card.featured .project-preview {
    aspect-ratio: 16/10;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .hero-scroll-indicator {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
    padding: 0 1rem;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-badge {
    font-size: 0.7rem;
  }
}

/* ============================================================
   LOADING / PAGE TRANSITION
   ============================================================ */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  animation: loader-pulse 1.6s ease-in-out infinite;
}

.loader-img {
  width: 68px;
  height: 68px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 35px rgba(255, 255, 255, 0.15);
  object-fit: cover;
}

.loader-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.15em;
  color: #ffffff;
}

@keyframes loader-pulse {
  0%, 100% { opacity: 0.4; transform: scale(0.97); }
  50% { opacity: 1; transform: scale(1); }
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.text-gradient {
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 50%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ============================================================
   SERVICE CTA BUTTON
   ============================================================ */
.service-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-silver);
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.service-cta-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
  transform: translateX(3px);
}

.service-cta-btn svg {
  transition: transform var(--transition-fast);
}

.service-cta-btn:hover svg {
  transform: translateX(3px);
}

/* ============================================================
   INQUIRY BANNER (CONTACT SECTION)
   ============================================================ */
.inquiry-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  margin-bottom: 2.5rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
}

.inquiry-banner-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  flex-shrink: 0;
}

.inquiry-banner-text {
  flex: 1;
}

.inquiry-banner-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.inquiry-banner-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .inquiry-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.25rem;
  }
  .inquiry-banner .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ============================================================
   INQUIRY MODAL (NEZÁVAZNÁ POPTÁVKA)
   ============================================================ */
body.modal-open {
  overflow: hidden !important;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: rgba(4, 5, 8, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  width: 100%;
  max-width: 660px;
  max-height: 94vh;
  overflow-y: auto;
  background: #111319;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 20px;
  padding: 1.75rem 2rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85), 0 0 35px rgba(255, 255, 255, 0.04);
  transform: translateY(24px) scale(0.96);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}

.modal-dialog::-webkit-scrollbar {
  width: 6px;
}

.modal-dialog::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
}

.modal-backdrop.open .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0;
}

.modal-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.45rem;
  color: #ffffff;
  letter-spacing: -0.01em;
}

.modal-close {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  background: transparent;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.modal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.95rem;
}

.modal-field {
  display: flex;
  flex-direction: column;
}

.modal-field-full {
  grid-column: 1 / -1;
}

.modal-label {
  font-size: 0.82rem;
  font-weight: 500;
  color: #cbd5e1;
  margin-bottom: 0.35rem;
}

.modal-label .req {
  color: #94a3b8;
  font-weight: 400;
}

.input-icon-wrapper,
.select-wrapper {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
}

.input-icon-wrapper .input-icon,
.select-wrapper .input-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: #64748b;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-input,
.modal-select {
  width: 100%;
  background: #181b22;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: #ffffff;
  padding: 0.65rem 0.95rem;
  font-size: 0.9rem;
  font-family: inherit;
  transition: all var(--transition-fast);
  outline: none;
}

.modal-input.with-icon,
.modal-select.with-icon {
  padding-left: 2.5rem;
}

.modal-input::placeholder {
  color: #64748b;
}

.modal-input:hover,
.modal-select:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.modal-input:focus,
.modal-select:focus {
  background: #1c202a;
  border-color: #0076ff;
  box-shadow: 0 0 0 3px rgba(0, 118, 255, 0.2);
}

.modal-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: 2.5rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
}

.modal-select option {
  background: #151720;
  color: #ffffff;
  padding: 10px;
}

.modal-select option:disabled {
  color: #64748b;
}

.modal-textarea {
  width: 100%;
  background: #181b22;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: #ffffff;
  padding: 0.75rem 0.95rem;
  font-size: 0.9rem;
  font-family: inherit;
  min-height: 85px;
  resize: vertical;
  transition: all var(--transition-fast);
  outline: none;
  line-height: 1.5;
}

.modal-textarea::placeholder {
  color: #64748b;
}

.modal-textarea:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.modal-textarea:focus {
  background: #1c202a;
  border-color: #0076ff;
  box-shadow: 0 0 0 3px rgba(0, 118, 255, 0.2);
}

.modal-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.25rem;
  padding-top: 0;
}

.modal-btn-cancel {
  padding: 0.7rem 2.25rem;
  border-radius: 9999px;
  background: #1c1f28;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-btn-cancel:hover {
  background: #252834;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
}

.modal-btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.7rem 2.25rem;
  border-radius: 9999px;
  background: #0076ff;
  border: none;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0, 118, 255, 0.35);
  transition: all var(--transition-fast);
}

.modal-btn-submit:hover {
  background: #0064db;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(0, 118, 255, 0.5);
}

.modal-btn-submit:active {
  transform: translateY(0);
}

.modal-btn-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

@media (max-width: 640px) {
  .modal-dialog {
    padding: 1.5rem 1.25rem;
    border-radius: 16px;
  }
  .modal-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .modal-actions {
    flex-direction: column-reverse;
  }
  .modal-btn-cancel,
  .modal-btn-submit {
    width: 100%;
    text-align: center;
  }
}