/* ── Design tokens ───────────────────────────────────────── */
:root {
  --bg-deep: #0c1218;
  --bg-surface: #141c26;
  --bg-card: #1a2433;
  --bg-elevated: #212d3d;
  --text-primary: #f4f0e8;
  --text-muted: #9aa8b8;
  --text-subtle: #6b7a8c;
  --accent: #c9a227;
  --accent-soft: rgba(201, 162, 39, 0.15);
  --accent-glow: rgba(201, 162, 39, 0.35);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(201, 162, 39, 0.25);
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Outfit", system-ui, sans-serif;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg-deep);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

/* ── Background texture ──────────────────────────────────── */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(201, 162, 39, 0.12), transparent 50%),
    radial-gradient(ellipse 60% 40% at 90% 80%, rgba(60, 100, 140, 0.15), transparent 45%),
    var(--bg-deep);
  pointer-events: none;
}

.page-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  opacity: 0.4;
}

/* ── Header ──────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(12, 18, 24, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--transition), opacity var(--transition);
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-deep);
  border-color: var(--accent);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #dbb42e;
  border-color: #dbb42e;
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-full {
  width: 100%;
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--header-h) + 3rem) 0 4rem;
  position: relative;
}

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

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 5vw, 4.25rem);
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.hero h1 span {
  display: block;
  color: var(--accent);
  font-style: italic;
}

.hero-lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 32rem;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.hero-meta li {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.hero-meta strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.hero-visual {
  position: relative;
  justify-self: end;
}

.hero-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-strong);
}

.hero-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(12, 18, 24, 0.6));
  z-index: 1;
  pointer-events: none;
}

.hero-frame img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
}

.hero-badge {
  position: absolute;
  bottom: -1rem;
  left: -1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow);
}

.badge-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-subtle);
  margin-bottom: 0.25rem;
}

.badge-value {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent);
}

.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-subtle);
  animation: float 2.5s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ── Sections ──────────────────────────────────────────────── */
.section {
  padding: 6rem 0;
}

.section-header {
  margin-bottom: 3rem;
  max-width: 36rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  line-height: 1.2;
}

.section-desc {
  margin-top: 0.75rem;
  color: var(--text-muted);
}

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition);
}

.card:hover {
  border-color: var(--border-strong);
}

.card-accent {
  background: linear-gradient(135deg, var(--bg-card), var(--bg-elevated));
  border-color: var(--border-strong);
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: var(--accent);
}

/* ── About ───────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.info-list div {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 0.5rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}

.info-list div:last-child {
  border-bottom: none;
}

.info-list dt {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-subtle);
}

.info-list dd {
  color: var(--text-primary);
}

.lang-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.lang-chips li {
  padding: 0.5rem 1.25rem;
  background: var(--accent-soft);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-weight: 500;
  color: var(--accent);
}

/* ── Services ────────────────────────────────────────────────── */
.services {
  background: linear-gradient(180deg, transparent, rgba(20, 28, 38, 0.6) 20%, transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.service-icon {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-soft);
  -webkit-text-stroke: 1px var(--accent);
  color: transparent;
  margin-bottom: 1rem;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ── Timeline (Education) ────────────────────────────────────── */
.timeline {
  position: relative;
  padding-left: 2rem;
  max-width: 40rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--border));
}

.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -2rem;
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--bg-deep);
  border: 2px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-glow);
}

.timeline-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-bottom: 0.35rem;
}

.timeline-body h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
}

.timeline-year {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.timeline-body p {
  color: var(--text-muted);
}

/* ── Experience ──────────────────────────────────────────────── */
.experience-block {
  display: flex;
  align-items: flex-start;
  gap: 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 3rem;
}

.exp-years {
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  flex-shrink: 0;
}

.exp-years span {
  font-size: 3rem;
}

.exp-content h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.exp-content p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.exp-content strong {
  color: var(--text-primary);
}

/* ── Trainings ───────────────────────────────────────────────── */
.training-list {
  display: grid;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.training-list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem 1rem;
  padding: 1.1rem 1.5rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  transition: background var(--transition);
  line-height: 1.5;
}

.training-list li > :first-child {
  flex: 1 1 16rem;
  min-width: 0;
}

.training-list li:last-child {
  border-bottom: none;
}

.training-list li:hover {
  background: var(--bg-elevated);
}

.training-date {
  font-size: 0.8rem;
  color: var(--text-subtle);
  white-space: nowrap;
}

/* ── Contact ─────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2rem;
  align-items: start;
}

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

.contact-link {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), transform var(--transition);
}

.contact-link:hover,
.contact-link:focus-visible {
  border-color: var(--border-strong);
  transform: translateX(4px);
}

.contact-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-link strong {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-subtle);
  margin-bottom: 0.2rem;
}

.contact-link span:last-child {
  font-size: 0.95rem;
  color: var(--text-muted);
  word-break: break-all;
}

.contact-form h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 0.35rem;
}

.form-note {
  font-size: 0.85rem;
  color: var(--text-subtle);
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-subtle);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}

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

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ── Footer ──────────────────────────────────────────────────── */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-subtle);
}

.back-top {
  color: var(--accent);
  font-weight: 500;
  transition: opacity var(--transition);
}

.back-top:hover {
  opacity: 0.8;
}

/* ── Reveal animations ───────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-lead {
    margin-inline: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-meta {
    justify-content: center;
  }

  .hero-visual {
    justify-self: center;
    max-width: 360px;
    order: -1;
  }

  .hero-badge {
    left: auto;
    right: -0.5rem;
  }

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

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

  .experience-block {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem;
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(12, 18, 24, 0.98);
    backdrop-filter: blur(12px);
    padding: 1rem 0 2rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links li a {
    display: block;
    padding: 1rem 1.5rem;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .info-list div {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .scroll-hint {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .scroll-hint {
    animation: none;
  }
}