:root {
  /* Paper theme (single theme) */
  --bg: #f6f4ef;
  --bg2: #ffffff;
  --surface: rgba(10, 12, 18, 0.035);
  --surface2: rgba(10, 12, 18, 0.06);
  --text: #0f1115;
  --muted: rgba(15, 17, 21, 0.62);
  --border-subtle: rgba(15, 17, 21, 0.1);
  --border-strong: rgba(15, 17, 21, 0.18);

  /* Accent (monochrome) */
  --accent: #0f1115;
  --accent2: rgba(15, 17, 21, 0.75);
  --accent-soft: rgba(15, 17, 21, 0.08);
  --accent-strong: rgba(15, 17, 21, 0.92);

  /* Gradients (kept minimal/neutral) */
  --bg-gradient: radial-gradient(circle at top, var(--bg2) 0, var(--bg) 55%);
  --header-gradient: linear-gradient(
    to bottom,
    rgba(246, 244, 239, 0.94),
    rgba(246, 244, 239, 0.8),
    transparent
  );
  --accent-gradient: linear-gradient(120deg, var(--accent), var(--accent2));
  --logo-gradient: radial-gradient(circle at 0 0, #0f1115, rgba(15, 17, 21, 0.6));

  /* Form tokens */
  --field-bg: rgba(255, 255, 255, 0.9);
  --field-bg-focus: #ffffff;
  --field-text: #0f1115;
  --field-placeholder: rgba(15, 17, 21, 0.45);

  --danger: #c43131;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-soft: 0 24px 80px rgba(0, 0, 0, 0.18);
}

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

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg-gradient);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px; /* offset for sticky header when jumping to anchors */
}

section[id] {
  scroll-margin-top: 92px; /* ensures headings aren't hidden under sticky header */
}

body {
  min-height: 100vh;
}

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

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

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(20px);
  background: var(--header-gradient);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  gap: 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: var(--logo-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  color: var(--bg);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
}

.logo-text {
  display: flex;
  flex-direction: column;
  font-size: 14px;
}

.logo-text span:first-of-type {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.logo-text span:last-of-type {
  font-size: 12px;
  color: var(--muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 6px;
  padding-left: 12px;
  border-left: 1px solid var(--border-subtle);
}

.lang-btn {
  appearance: none;
  border: 1px solid var(--border-subtle);
  background: var(--surface);
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 999px;
  font: inherit;
  font-size: 12px;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.lang-btn:hover {
  color: var(--text);
  background: var(--surface2);
}

.lang-btn[aria-pressed="true"] {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.nav a {
  padding: 8px 0;
  color: var(--muted);
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
  transition: width 0.18s ease-out;
}

.nav a:hover::after {
  width: 100%;
}

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

.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
  width: 20px;
  height: 18px;
  position: relative;
  cursor: pointer;
}

.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
  position: absolute;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: #fff;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle-label span {
  top: 50%;
  transform: translateY(-50%);
}

.nav-toggle-label span::before {
  content: "";
  top: -6px;
}

.nav-toggle-label span::after {
  content: "";
  top: 6px;
}

.nav-toggle:checked + .nav-toggle-label span {
  transform: rotate(45deg);
}

.nav-toggle:checked + .nav-toggle-label span::before {
  transform: rotate(-90deg) translateX(-6px);
}

.nav-toggle:checked + .nav-toggle-label span::after {
  opacity: 0;
}

.hero {
  padding: 64px 0 32px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 36px;
  align-items: center;
}

.hero-content h1 {
  font-family: "Playfair Display", ui-serif, Georgia, "Times New Roman", serif;
  font-weight: 600;
  font-size: clamp(2.7rem, 4vw, 3.6rem);
  line-height: 1.05;
  margin: 8px 0 18px;
}

.highlight {
  display: inline-block;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-text {
  color: var(--muted);
  max-width: 32rem;
  font-size: 0.96rem;
}

.eyebrow {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent-strong);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease-out, box-shadow 0.12s ease-out,
    background 0.12s ease-out, border-color 0.12s ease-out;
}

.btn.primary {
  background: var(--accent-gradient);
  color: var(--bg);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.6);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.7);
}

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

.btn.ghost:hover {
  border-color: var(--border-strong);
  background: var(--surface2);
}

.btn.full-width {
  width: 100%;
}

.hero-meta {
  margin-top: 28px;
  padding: 14px 16px;
  border-radius: 16px;
  background: radial-gradient(circle at top left, var(--accent-soft), transparent);
  border: 1px solid var(--border-subtle);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px 20px;
}

.meta-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin-bottom: 2px;
}

.meta-value {
  font-size: 0.85rem;
}

.hero-profile {
  position: relative;
}

.profile-card {
  border-radius: var(--radius-xl);
  background: radial-gradient(circle at top left, var(--bg2), var(--bg));
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.profile-photo {
  border-radius: 18px;
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  background: var(--accent-gradient);
  padding: 2px;
}

.photo-placeholder {
  border-radius: 16px;
  background: radial-gradient(circle at top, var(--bg2), var(--bg));
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}

.profile-body h2 {
  margin: 0 0 6px;
  font-size: 1.1rem;
}

.profile-title {
  margin: 0 0 6px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.profile-body p {
  margin: 0 0 10px;
  font-size: 0.88rem;
  color: var(--muted);
}

.profile-list {
  margin: 0;
  padding-left: 18px;
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.profile-footer {
  padding-top: 10px;
  border-top: 1px dashed rgba(255, 255, 255, 0.16);
}

.profile-note {
  margin: 0;
  font-size: 0.8rem;
  color: #d5d7e5;
  font-style: italic;
}

.section {
  padding: 48px 0;
}

.section.alt {
  background: radial-gradient(circle at top left, var(--bg2), var(--bg));
}

.section-header {
  margin-bottom: 18px;
}

.section-header h2 {
  font-family: "Playfair Display", ui-serif, Georgia, "Times New Roman", serif;
  font-size: 1.6rem;
  margin: 8px 0;
}

.section-body {
  color: var(--muted);
  font-size: 0.95rem;
}

.section-subtitle {
  color: var(--muted);
  max-width: 28rem;
  margin: 6px auto 0;
}

.section.centered {
  text-align: center;
}

.section-header.centered {
  text-align: center;
}

.section-header.centered h2 {
  margin-left: auto;
  margin-right: auto;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 26px;
  align-items: flex-start;
}

.pill-row,
.pill-column {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.pill-column {
  flex-direction: column;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
  font-size: 0.78rem;
  color: var(--muted);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.card {
  padding: 18px 18px 14px;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, var(--bg2), var(--bg));
  border: 1px solid var(--border-subtle);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.6);
  font-size: 0.9rem;
}

.card h3 {
  margin: 0 0 4px;
  font-size: 1.05rem;
}

.card p {
  color: var(--muted);
  margin-top: 4px;
}

.card ul {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.card-footer-text {
  margin-top: 12px;
  font-size: 0.8rem;
  color: #d1d3e0;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.steps li {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
}

.steps h3 {
  margin: 0 0 4px;
  font-size: 0.96rem;
}

.steps p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.contact-section {
  border-top: 1px solid var(--border-subtle);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
  gap: 24px;
  align-items: flex-start;
}

.contact-meta p {
  margin: 0 0 4px;
  font-size: 0.9rem;
  color: var(--muted);
}

.contact-form {
  padding: 18px 18px 16px;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, var(--bg2), var(--bg));
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.form-field {
  margin-bottom: 10px;
}

.form-field label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 4px;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 8px 10px;
  border-radius: 9px;
  border: 1px solid var(--border-subtle);
  background: var(--field-bg);
  color: var(--field-text);
  font-family: inherit;
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.12s ease, box-shadow 0.12s ease,
    background 0.12s ease;
}

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

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--border-strong);
  box-shadow: 0 0 0 1px var(--border-strong);
  background: var(--field-bg-focus);
}

.form-note {
  margin: 6px 0 0;
  font-size: 0.75rem;
  color: var(--muted);
}

.muted {
  color: var(--muted);
}

.site-footer {
  padding: 18px 0 32px;
  border-top: 1px solid var(--border-subtle);
  background: radial-gradient(circle at top, rgba(69, 62, 92, 0.18), var(--bg));
  font-size: 0.8rem;
  color: var(--muted);
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 16px;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-profile {
    order: -1;
  }

  .split {
    grid-template-columns: minmax(0, 1fr);
  }

  .cards-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .nav-toggle-label {
    display: block;
  }

  .nav {
    position: absolute;
    inset: 60px 16px auto 16px;
    background: color-mix(in srgb, var(--bg) 92%, transparent);
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
    padding: 10px 14px;
    display: none;
    flex-direction: column;
    gap: 4px;
  }

  .lang-switch {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    padding-top: 8px;
    width: 100%;
    justify-content: center;
  }

  .nav a {
    padding: 8px 4px;
  }

  .nav-cta {
    margin-top: 4px;
    justify-content: center;
  }

  .nav-toggle:checked ~ .nav {
    display: flex;
  }

  .hero {
    padding-top: 40px;
  }

  .hero-meta {
    grid-template-columns: minmax(0, 1fr);
  }

  .form-row {
    grid-template-columns: minmax(0, 1fr);
  }

}

@media (max-width: 480px) {
  .nav-container {
    padding-inline: 16px;
  }

  .container {
    padding-inline: 16px;
  }

  .logo-mark {
    width: 34px;
    height: 34px;
    font-size: 15px;
  }

  .site-footer {
    padding-bottom: 24px;
  }
}