:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --surface: #ffffff;
  --surface-soft: #eef3f5;
  --surface-ink: #111820;
  --text: #17212b;
  --muted: #5c6875;
  --line: #dce3e8;
  --accent: #0d6b68;
  --accent-strong: #064947;
  --accent-soft: #dcefed;
  --warm: #b65b33;
  --shadow: 0 24px 80px rgba(17, 24, 32, 0.12);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1419;
  --surface: #151b21;
  --surface-soft: #1b232a;
  --surface-ink: #eef3f5;
  --text: #f2f5f7;
  --muted: #a7b1bb;
  --line: #2a343d;
  --accent: #78d4ca;
  --accent-strong: #a6ebe3;
  --accent-soft: #173936;
  --warm: #e7a06f;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(13, 107, 104, 0.08), transparent 32rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.65;
}

body.nav-open {
  overflow: hidden;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.75rem;
  padding: 0.85rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid transparent;
  background: rgba(245, 247, 248, 0.86);
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

:root[data-theme="dark"] .site-header {
  background: rgba(15, 20, 25, 0.86);
}

.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 10px 30px rgba(17, 24, 32, 0.06);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 2.65rem;
  height: 2.65rem;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 0.65rem;
  background: var(--surface-ink);
  color: var(--surface);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
}

.brand span:last-child {
  display: grid;
  line-height: 1.2;
}

.brand strong {
  font-size: 0.96rem;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(0.8rem, 2vw, 1.6rem);
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 750;
}

.nav a {
  padding: 0.55rem 0;
  transition: color 160ms ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--accent-strong);
}

.nav-cta {
  padding: 0.65rem 0.9rem !important;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text) !important;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.1rem;
  height: 2rem;
  flex: 0 0 auto;
  padding: 0.15rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
}

.language-option {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.65rem;
  height: 1.55rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font-size: 0.72rem;
  font-weight: 850;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease;
}

.language-option.is-active {
  background: var(--surface-ink);
  color: var(--surface);
}

.language-switch:focus-within,
.language-switch:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
}

.theme-toggle {
  display: grid;
  width: 2rem;
  height: 2rem;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
  transform: translateY(-1px);
}

.theme-icon {
  position: relative;
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: currentColor;
}

.theme-icon::after {
  position: absolute;
  top: -0.06rem;
  right: -0.12rem;
  width: 0.68rem;
  height: 0.68rem;
  border-radius: 50%;
  background: var(--surface);
  content: "";
  transition: transform 180ms ease, background 180ms ease;
}

:root[data-theme="dark"] .theme-icon::after {
  transform: translateX(0.3rem);
  background: var(--surface);
}

.menu-toggle {
  display: none;
  width: 2.85rem;
  height: 2.85rem;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.menu-toggle span:not(.sr-only) {
  display: block;
  width: 1.18rem;
  height: 2px;
  margin: 3px 0;
  border-radius: 999px;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.section {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(20rem, 0.72fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  padding: clamp(4rem, 8vw, 7rem) 0 clamp(3rem, 7vw, 5rem);
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--warm);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 17ch;
  margin-bottom: 1.25rem;
  font-size: clamp(2.55rem, 4.8vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4.2vw, 3.45rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.55rem;
  font-size: 1.08rem;
  line-height: 1.35;
}

.hero-lead {
  max-width: 44rem;
  margin-bottom: 1rem;
  color: var(--text);
  font-size: clamp(1.18rem, 2vw, 1.42rem);
  line-height: 1.55;
  font-weight: 650;
}

.hero-text,
.section-heading p,
.timeline-item p,
.skill-card p,
.value-card p,
.approach-card p,
.contact-panel p,
.education-list p {
  color: var(--muted);
}

.hero-text {
  max-width: 42rem;
  margin-bottom: 0;
  font-size: 1.04rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.78rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: inherit;
  font-size: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button.primary {
  border-color: var(--surface-ink);
  background: var(--surface-ink);
  color: var(--surface);
}

.button.secondary {
  background: var(--surface);
}

.hero-panel {
  display: grid;
  gap: 1.2rem;
  padding: clamp(1.35rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.96)),
    var(--surface);
  box-shadow: var(--shadow);
}

:root[data-theme="dark"] .hero-panel {
  background: linear-gradient(180deg, rgba(21, 27, 33, 0.84), rgba(21, 27, 33, 0.96));
}

.availability {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  width: fit-content;
  padding: 0.45rem 0.7rem;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--line));
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 800;
}

.availability span {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
}

.hero-panel h2 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.hero-panel p,
.profile-facts {
  margin: 0;
}

.profile-facts {
  display: grid;
  gap: 0.85rem;
  padding-top: 0.5rem;
}

.profile-facts div {
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

dt {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

dd {
  margin: 0.2rem 0 0;
  font-weight: 750;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  margin-bottom: clamp(3rem, 7vw, 6rem);
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--line);
}

.metric {
  display: grid;
  gap: 0.25rem;
  min-height: 8rem;
  padding: 1.25rem;
  background: var(--surface);
}

.metric strong {
  color: var(--accent-strong);
  font-size: clamp(1.35rem, 2.5vw, 1.9rem);
  line-height: 1.1;
}

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

.split-section,
.experience-section,
.skills-section,
.approach-section,
.endurance-section,
.formation-section,
.contact-section {
  padding: clamp(3.25rem, 8vw, 6.25rem) 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 46rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.6rem);
}

.section-heading.centered {
  max-width: 45rem;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.value-grid,
.skill-grid,
.education-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.skill-grid,
.education-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.value-card,
.skill-card,
.timeline-item,
.education-list article {
  padding: clamp(1.2rem, 3vw, 1.65rem);
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--surface);
  box-shadow: 0 14px 45px rgba(17, 24, 32, 0.05);
}

.featured-experience {
  display: grid;
  grid-template-columns: minmax(12rem, 0.35fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-bottom: 1rem;
  padding: clamp(1.35rem, 4vw, 2.2rem);
  border: 1px solid color-mix(in srgb, var(--accent) 34%, var(--line));
  border-radius: 1.15rem;
  background:
    linear-gradient(135deg, var(--accent-soft), transparent 60%),
    var(--surface);
  box-shadow: var(--shadow);
}

.experience-kicker {
  display: grid;
  align-content: start;
  gap: 0.55rem;
  color: var(--accent-strong);
  font-weight: 800;
}

.experience-kicker span {
  color: var(--warm);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.featured-content {
  display: grid;
  gap: 1.2rem;
}

.featured-content h3 {
  margin-bottom: 0.2rem;
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.company {
  margin-bottom: 0;
  color: var(--muted);
  font-weight: 700;
}

.impact-lead {
  max-width: 52rem;
  margin-bottom: 0;
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 650;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.impact-grid div {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.impact-grid strong {
  display: block;
  margin-bottom: 0.25rem;
}

.impact-grid p {
  margin: 0;
  color: var(--muted);
}

.environment {
  margin: 1rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 650;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.period {
  display: inline-flex;
  margin-bottom: 0.45rem;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 850;
}

ul {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

li + li {
  margin-top: 0.45rem;
}

.approach-card,
.endurance-card,
.contact-panel {
  display: grid;
  gap: 1rem;
  padding: clamp(1.5rem, 5vw, 3rem);
  border-radius: 1.2rem;
  background: var(--surface-ink);
  color: var(--surface);
  box-shadow: var(--shadow);
}

.approach-card {
  max-width: 920px;
}

.endurance-card {
  max-width: 900px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(13, 107, 104, 0.1), transparent 55%),
    var(--surface);
  color: var(--text);
}

.approach-card .eyebrow,
.contact-panel .eyebrow {
  color: #f1b286;
}

.approach-card h2,
.contact-panel h2 {
  max-width: 15ch;
}

.approach-card p,
.contact-panel p {
  max-width: 60rem;
  color: color-mix(in srgb, var(--surface) 78%, transparent);
  font-size: 1.05rem;
}

.endurance-card p {
  max-width: 60rem;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.contact-panel {
  grid-template-columns: minmax(16rem, 0.4fr) minmax(20rem, 0.6fr);
  gap: clamp(1.5rem, 5vw, 3rem);
  align-items: start;
}

.contact-panel .button.primary,
.contact-panel .button.secondary {
  border-color: var(--surface);
  background: var(--surface);
  color: var(--surface-ink);
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.contact-field {
  display: grid;
  gap: 0.4rem;
}

.contact-field span {
  color: var(--surface);
  font-size: 0.88rem;
  font-weight: 700;
}

.contact-field small {
  font-size: inherit;
  font-weight: 500;
  opacity: 0.78;
}

.contact-field input,
.contact-field textarea {
  width: 100%;
  border: 1px solid color-mix(in srgb, var(--surface) 28%, transparent);
  border-radius: 0.55rem;
  background: var(--surface);
  color: var(--surface-ink);
  font: inherit;
  padding: 0.65rem 0.75rem;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.contact-field input:focus,
.contact-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

.contact-field textarea {
  resize: vertical;
  min-height: 8.5rem;
}

.contact-message {
  grid-column: 1 / -1;
}

.turnstile-row {
  min-height: 4rem;
}

.cf-turnstile {
  max-width: 100%;
}

.contact-trap {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-feedback {
  margin: 0;
  padding: 0.7rem 0.8rem;
  border-radius: 0.55rem;
  background: var(--accent-soft);
  color: var(--accent-strong) !important;
  font-size: 0.92rem !important;
  font-weight: 650;
}

.contact-feedback.is-error {
  background: color-mix(in srgb, var(--warm) 18%, var(--surface));
  color: var(--warm) !important;
}

.contact-form .contact-actions {
  margin-top: 0.25rem;
}

.site-footer {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 520ms ease, transform 520ms ease;
}

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

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

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

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

@media (max-width: 920px) {
  .site-header {
    gap: 0.65rem;
  }

  .menu-toggle {
    display: grid;
    order: 3;
  }

  .theme-toggle {
    order: 2;
  }

  .language-switch {
    order: 2;
  }

  .nav {
    position: fixed;
    top: 4.75rem;
    right: 1rem;
    left: 1rem;
    display: grid;
    gap: 0.2rem;
    padding: 0.8rem;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: var(--surface);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav a,
  .nav-cta {
    min-height: 2.9rem;
    padding: 0.7rem 0.85rem !important;
    border-radius: 0.7rem;
  }

  .nav a:hover,
  .nav a:focus-visible {
    background: var(--surface-soft);
  }

  .hero,
  .featured-experience,
  .contact-panel {
    grid-template-columns: 1fr;
  }

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

  h1 {
    max-width: 16ch;
    font-size: clamp(2.25rem, 8vw, 3.45rem);
    line-height: 1.02;
  }

  h2 {
    font-size: clamp(1.75rem, 6vw, 2.7rem);
  }

  .metrics,
  .value-grid,
  .skill-grid,
  .education-list,
  .impact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .site-header {
    min-height: 4.4rem;
    padding-inline: 0.9rem;
  }

  .brand small {
    display: none;
  }

  .brand strong {
    max-width: 12rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .nav {
    top: 4.4rem;
  }

  .section {
    width: min(100% - 1.25rem, 1120px);
  }

  .hero {
    padding-top: 2.8rem;
  }

  h1 {
    max-width: 16ch;
    font-size: clamp(2rem, 10vw, 2.85rem);
  }

  .hero-actions,
  .contact-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}