/* ==========================================================================
   Valentin Turoczi — Digital Studio Design System
   Modern Editorial Aesthetics · London, UK
   ========================================================================== */

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

:root {
  --bg: #0d0e11;
  --bg-card: #14161c;
  --bg-card-hover: #1b1e26;
  --text: #f3f4f6;
  --text-muted: #9ca3af;
  --text-subtle: #6b7280;
  --accent: #e5e7eb;
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.22);
  --highlight: #10b981;
  --highlight-dim: rgba(16, 185, 129, 0.12);
  --font-sans: 'Jost', sans-serif;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg);
  color: var(--text);
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.6;
  background-color: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* Ambient Background Glow */
.ambient-glow {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  max-width: 1400px;
  height: 600px;
  background: radial-gradient(circle at 50% 15%, rgba(255, 255, 255, 0.035) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* CONTAINER */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

/* NAVIGATION */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 3rem;
  background: rgba(13, 14, 17, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}

.nav-brand {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text);
}

.nav-name {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.nav-tag {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--text-subtle);
  text-transform: uppercase;
  font-weight: 300;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.25s, opacity 0.25s;
  position: relative;
  padding-bottom: 4px;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-links a.active {
  color: #fff;
  font-weight: 500;
  border-bottom: 1px solid #fff;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.25rem;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #0d0e11 !important;
  background: #f3f4f6;
  border-radius: 999px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.25s;
}

.nav-cta:hover {
  background: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(255, 255, 255, 0.15);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 0.5rem;
}

/* Mobile Overlay */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: #0d0e11;
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.mobile-overlay.open {
  display: flex;
}

.mobile-overlay a {
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #fff;
  text-decoration: none;
  font-weight: 300;
}

/* PAGE HEADER BANNER (FOR SUBPAGES) */
.page-header {
  padding: 9rem 0 3.5rem;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.page-header-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-subtle);
  margin-bottom: 1rem;
}

.page-header-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 300;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 1.2rem;
}

.page-header-title em {
  font-style: italic;
  color: #d1d5db;
}

.page-header-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 720px;
  line-height: 1.7;
}

/* BUTTONS */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2.2rem;
  background: #f3f4f6;
  color: #0d0e11;
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 500;
  border-radius: 4px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 255, 255, 0.15);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  background: transparent;
  color: var(--text);
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-2px);
}

/* SECTION COMMONS */
.section-tag {
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-subtle);
  display: block;
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 300;
  line-height: 1.15;
  color: #fff;
}

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 3.5rem 0;
  background: #090a0d;
  margin-top: auto;
}

.footer-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.75rem;
  color: var(--text-subtle);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #fff;
}

/* RESPONSIVE COMMON */
@media (max-width: 992px) {
  nav {
    padding: 1.2rem 1.8rem;
  }
  .nav-links, .nav-cta {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
}