/* =============================================
   Varianta C — Executive Tech
   Martin Matula — Senior DBA konzultant
   ============================================= */

:root {
  --bg:           #fafafa;
  --bg-alt:       #f4f4f6;
  --dark:         #1a1a2e;
  --dark-alt:     #16213e;
  --accent:       #c9a84c;
  --accent-hover: #b8963e;
  --accent-light: rgba(201, 168, 76, 0.12);
  --text:         #1a1a2e;
  --text-mid:     #4a4a6a;
  --text-dim:     #8080a0;
  --text-light:   #e8e8f0;
  --text-light-dim: rgba(232, 232, 240, 0.7);
  --border:       #e0e0ea;
  --border-dark:  rgba(255, 255, 255, 0.1);
  --shadow-sm:    0 2px 8px rgba(26, 26, 46, 0.06);
  --shadow-md:    0 8px 32px rgba(26, 26, 46, 0.1);
  --shadow-lg:    0 16px 64px rgba(26, 26, 46, 0.12);
  --font:      Georgia, 'Times New Roman', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --radius:    3px;
  --radius-md: 8px;
  --nav-h:     72px;
  --max-w:     1200px;
  --pad:       clamp(1.25rem, 4vw, 2.5rem);
  --section-pad: clamp(5rem, 10vw, 8rem);
  --transition: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font-sans);
  background: var(--bg); color: var(--text);
  line-height: 1.7; overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-alt); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: var(--radius); }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--pad); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: rgba(250, 250, 250, 0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-sm); border-bottom-color: var(--accent); }

.nav-container {
  max-width: var(--max-w); margin: 0 auto;
  padding: 0 var(--pad); height: 100%;
  display: flex; align-items: center; justify-content: space-between;
}

.nav-logo {
  display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-sans); font-size: 0.95rem;
  font-weight: 600; color: var(--text); letter-spacing: -0.01em;
}
.nav-logo:hover { color: var(--text); }
.logo-m {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--dark); color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: Georgia, serif; font-weight: 700; font-size: 1rem;
  flex-shrink: 0;
}

.nav-menu { display: flex; list-style: none; gap: 2.5rem; align-items: center; }
.nav-link {
  font-size: 0.875rem; font-weight: 500; color: var(--text-mid);
  letter-spacing: 0.01em; position: relative; transition: color var(--transition);
}
.nav-link::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--accent); transition: width var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.btn-nav {
  padding: 0.5rem 1.25rem; background: var(--dark); color: #fff;
  border-radius: var(--radius); font-size: 0.85rem; font-weight: 600;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap; border: none; cursor: pointer;
}
.btn-nav:hover { background: var(--dark-alt); color: var(--accent); transform: translateY(-1px); }

.hamburger {
  display: none; flex-direction: column; justify-content: space-between;
  width: 26px; height: 18px; background: none; border: none; cursor: pointer; padding: 0;
}
.hamburger span { display: block; height: 2px; background: var(--text); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

@media (max-width: 767px) {
  .hamburger { display: flex; }
  .nav-menu {
    display: none; position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: flex-start;
    background: rgba(250,250,250,0.98); backdrop-filter: blur(20px);
    padding: 1.5rem var(--pad); gap: 1.25rem;
    border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md);
  }
  .nav-menu.open { display: flex; }
  .nav-link { font-size: 1.05rem; }
  .btn-nav { margin-top: 0.5rem; }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.75rem 1.75rem; border-radius: var(--radius);
  font-size: 0.9rem; font-weight: 600; cursor: pointer;
  border: 2px solid transparent; transition: all var(--transition);
  text-decoration: none; white-space: nowrap; letter-spacing: 0.01em;
}
.btn-primary { background: var(--dark); color: #fff; border-color: var(--dark); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-secondary { background: transparent; color: var(--text); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--dark); color: var(--dark); transform: translateY(-2px); }
.btn-full { width: 100%; justify-content: center; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding-top: var(--nav-h); position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--bg) 60%, #f0f0f8 100%);
}
.hero-bg-decor { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.decor-line { position: absolute; background: var(--border); opacity: 0.6; }
.decor-line-1 { width: 1px; height: 70%; top: 15%; right: 30%; }
.decor-line-2 { width: 40%; height: 1px; top: 35%; right: 0; }
.decor-circle {
  position: absolute; width: 300px; height: 300px;
  border: 1px solid var(--border); border-radius: 50%;
  top: -100px; right: -100px; opacity: 0.4;
}

.hero-content { max-width: 700px; padding: clamp(2rem, 6vw, 4rem) 0; }
.hero-eyebrow {
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 1.5rem;
}
.hero-title {
  font-family: var(--font);
  font-size: clamp(2.4rem, 5.5vw, 4.5rem);
  font-weight: 700; line-height: 1.1; letter-spacing: -0.02em;
  color: var(--dark); margin-bottom: 1.5rem;
}
.title-accent { color: var(--accent); }
.hero-desc {
  font-size: clamp(1rem, 2vw, 1.2rem); color: var(--text-mid);
  line-height: 1.7; margin-bottom: 2.5rem; max-width: 560px;
}
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3.5rem; }

.hero-trust { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; }
.trust-item { display: flex; flex-direction: column; }
.trust-num { font-family: var(--font); font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 700; color: var(--dark); line-height: 1; }
.trust-label { font-size: 0.72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 0.2rem; }
.trust-sep { width: 1px; height: 36px; background: var(--border); }

/* ===== SECTIONS ===== */
.section { padding: var(--section-pad) 0; }
.section-dark { background: var(--dark); color: var(--text-light); }

.section-intro { margin-bottom: 3.5rem; }
.section-intro-light { max-width: 680px; }

.section-kicker {
  display: inline-block; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem;
}
.kicker-gold { color: var(--accent); }

.section-title {
  font-family: var(--font); font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700; line-height: 1.2; letter-spacing: -0.02em;
  color: var(--dark); margin-bottom: 1rem;
}
.section-title-light { color: var(--text-light); }
.section-sub { color: var(--text-light-dim); font-size: 1.05rem; margin-top: 0.75rem; }
.section-sub-light { color: var(--text-mid); font-size: 1.05rem; margin-top: 0.75rem; max-width: 580px; }

/* ===== ABOUT ===== */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 4rem; margin-bottom: 4rem; }
@media (max-width: 768px) { .about-grid { grid-template-columns: 1fr; gap: 2.5rem; } }

.about-lead { font-size: 1.1rem; line-height: 1.7; color: var(--text); margin-bottom: 1.25rem; font-family: var(--font); }
.about-text p { color: var(--text-mid); margin-bottom: 1rem; }
.about-text strong { color: var(--text); }

.tech-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1.5rem; }
.chip {
  padding: 0.25rem 0.75rem; background: var(--accent-light);
  border: 1px solid rgba(201, 168, 76, 0.25); border-radius: 2px;
  font-size: 0.78rem; font-weight: 600; color: var(--dark);
  letter-spacing: 0.03em; transition: all var(--transition);
}
.chip:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

.about-competencies h3 {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 1.25rem;
}
.comp-list { list-style: none; }
.comp-list li {
  padding: 0.6rem 0; border-bottom: 1px solid var(--border);
  font-size: 0.9rem; color: var(--text-mid);
  display: flex; align-items: center; gap: 0.75rem;
}
.comp-list li:last-child { border-bottom: none; }
.comp-list li::before { content: '—'; color: var(--accent); flex-shrink: 0; font-size: 0.8rem; }

/* Why me */
.subsection-title {
  font-family: var(--font); font-size: 1.6rem; font-weight: 700;
  color: var(--dark); margin-bottom: 2rem; letter-spacing: -0.01em;
}
.why-me-section { margin-bottom: 4rem; }
.why-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.5rem; }

.why-card {
  padding: 1.75rem; border: 1px solid var(--border); border-radius: var(--radius-md);
  background: #fff; box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}
.why-card:hover { box-shadow: var(--shadow-md); border-color: var(--accent); transform: translateY(-3px); }
.why-icon { width: 36px; height: 36px; color: var(--accent); margin-bottom: 1rem; }
.why-card h4 { font-size: 1rem; font-weight: 700; color: var(--dark); margin-bottom: 0.5rem; }
.why-card p { font-size: 0.875rem; color: var(--text-mid); line-height: 1.6; }

/* Process */
.process-steps { display: flex; flex-direction: column; gap: 0; }
.proc-step {
  display: flex; gap: 2rem; align-items: flex-start;
  padding: 1.75rem; border: 1px solid var(--border);
  border-bottom: none; background: #fff;
  transition: background var(--transition), border-color var(--transition);
}
.proc-step:first-child { border-radius: var(--radius-md) var(--radius-md) 0 0; }
.proc-step:last-child { border-bottom: 1px solid var(--border); border-radius: 0 0 var(--radius-md) var(--radius-md); }
.proc-step:hover { background: var(--accent-light); border-color: var(--accent); }

.proc-num {
  font-family: var(--font); font-size: 2rem; font-weight: 700;
  color: var(--accent); line-height: 1; min-width: 52px; flex-shrink: 0;
}
.proc-body h4 { font-size: 1.05rem; font-weight: 700; color: var(--dark); margin-bottom: 0.4rem; }
.proc-body p { font-size: 0.9rem; color: var(--text-mid); line-height: 1.6; }

@media (max-width: 480px) {
  .proc-step { flex-direction: column; gap: 0.5rem; }
  .proc-num { font-size: 1.5rem; min-width: auto; }
}

/* ===== SERVICES ===== */
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.25rem; }
@media (max-width: 480px) { .services-grid { grid-template-columns: 1fr; } }

.service-card {
  background: rgba(255, 255, 255, 0.06); border: 1px solid var(--border-dark);
  border-radius: var(--radius-md); padding: 1.75rem;
  display: flex; flex-direction: column; gap: 0.75rem;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.service-card:hover { background: rgba(255,255,255,0.09); border-color: var(--accent); transform: translateY(-3px); }

.sc-icon { width: 36px; height: 36px; color: var(--accent); }
.service-card h3 { font-size: 1rem; font-weight: 700; color: var(--text-light); line-height: 1.3; }
.service-card p { font-size: 0.875rem; color: var(--text-light-dim); line-height: 1.6; flex: 1; }
.sc-output {
  font-size: 0.82rem; color: rgba(201, 168, 76, 0.9);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 0.75rem; margin-top: auto; line-height: 1.5;
}
.output-label { font-weight: 700; display: block; margin-bottom: 0.25rem; }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 3rem; }
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; gap: 2rem; } }

.contact-info h3 { font-family: var(--font); font-size: 1.3rem; font-weight: 700; color: var(--dark); margin-bottom: 1.75rem; }
.contact-list { list-style: none; margin-bottom: 2rem; }
.contact-list li { display: flex; align-items: flex-start; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--border); }
.contact-list li:first-child { border-top: 1px solid var(--border); }
.ci-icon { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; margin-top: 0.15rem; }
.ci-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-dim); font-weight: 600; margin-bottom: 0.2rem; }
.ci-value { font-size: 0.95rem; color: var(--text); font-weight: 500; }
.ci-value:hover { color: var(--accent); }

.response-note {
  display: flex; align-items: flex-start; gap: 0.75rem;
  padding: 1.25rem; background: var(--bg-alt); border-radius: var(--radius-md);
  border-left: 3px solid var(--accent);
}
.rn-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-top: 0.35rem; flex-shrink: 0; }
.rn-title { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); margin-bottom: 0.2rem; }
.rn-text { font-size: 0.875rem; color: var(--text-mid); }

.contact-form h3 { font-family: var(--font); font-size: 1.3rem; font-weight: 700; color: var(--dark); margin-bottom: 1.75rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block; font-size: 0.8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-mid); margin-bottom: 0.4rem;
}
.form-group label span { color: var(--accent); }
.form-group input, .form-group textarea {
  width: 100%; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text);
  font-size: 0.9rem; font-family: var(--font-sans);
  padding: 0.75rem 1rem; outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-dim); }
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.12);
}
.form-group input.error, .form-group textarea.error { border-color: #c62828; }
.field-error { display: block; font-size: 0.78rem; color: #c62828; margin-top: 0.25rem; min-height: 1em; }
.form-status { margin-top: 1rem; padding: 0.75rem 1rem; border-radius: var(--radius); font-size: 0.875rem; display: none; }
.form-status.success { display: block; background: rgba(76,175,80,0.08); border: 1px solid rgba(76,175,80,0.25); color: #2e7d32; }
.form-status.error   { display: block; background: rgba(198,40,40,0.08); border: 1px solid rgba(198,40,40,0.25); color: #c62828; }

/* ===== FOOTER ===== */
.footer { border-top: 1px solid var(--border); padding: 2rem 0; background: var(--dark); }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; text-align: center; }
.footer-brand { display: flex; align-items: center; gap: 0.5rem; color: var(--text-light); font-weight: 500; font-size: 0.9rem; }
.footer-copy { font-size: 0.78rem; color: rgba(255,255,255,0.3); }

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 999;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--dark); border: 1px solid var(--accent);
  color: var(--accent); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: all var(--transition);
}
.back-to-top svg { width: 20px; height: 20px; }
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--accent); color: #fff; transform: translateY(-3px); box-shadow: var(--shadow-md); }

/* ===== ANIMATIONS ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }