/* Nicolas Wiest-Daesslé — portfolio */

:root {
  --bg-deep: #07090d;
  --bg: #0d1118;
  --surface: #141a24;
  --surface-hover: #1a2230;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e9ecf1;
  --muted: #9aa3b5;
  --accent: #3ee0b9;
  --accent-dim: rgba(62, 224, 185, 0.15);
  --accent-hot: #7cf5d8;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --radius: 14px;
  --radius-sm: 10px;
  --font-display: "Fraunces", Georgia, serif;
  --font-ui: "Outfit", system-ui, sans-serif;
  --step--1: clamp(0.85rem, 0.82rem + 0.15vw, 0.95rem);
  --step-0: clamp(1rem, 0.95rem + 0.25vw, 1.1rem);
  --step-1: clamp(1.15rem, 1.05rem + 0.5vw, 1.35rem);
  --step-2: clamp(1.5rem, 1.25rem + 1.1vw, 2rem);
  --step-3: clamp(2rem, 1.5rem + 1.8vw, 2.75rem);
  --step-4: clamp(2.5rem, 1.85rem + 2.5vw, 3.5rem);
  --space: clamp(1rem, 0.6rem + 1.5vw, 2rem);
  --header-h: 4rem;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space);
  z-index: 200;
  padding: 0.5rem 1rem;
  font-weight: 600;
  font-size: var(--step--1);
  color: var(--bg-deep);
  background: var(--accent);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0.75rem;
  outline: 2px solid var(--accent-hot);
  outline-offset: 3px;
}

body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: var(--step-0);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-deep);
  overflow-x: hidden;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 20%, transparent 70%);
  pointer-events: none;
}

.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.35;
  z-index: -1;
  pointer-events: none;
  animation: float 18s ease-in-out infinite;
}

.bg-glow--a {
  width: min(60vw, 520px);
  height: min(60vw, 520px);
  top: -10%;
  right: -15%;
  background: radial-gradient(circle, rgba(62, 224, 185, 0.5) 0%, transparent 70%);
}

.bg-glow--b {
  width: min(50vw, 400px);
  height: min(50vw, 400px);
  bottom: 10%;
  left: -10%;
  background: radial-gradient(circle, rgba(100, 140, 255, 0.35) 0%, transparent 70%);
  animation-delay: -7s;
  animation-duration: 22s;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(2%, 3%) scale(1.05);
  }
}

a {
  color: var(--accent-hot);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid var(--border);
  background: rgba(7, 9, 13, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.site-header__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-1);
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--accent);
}

.logo:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1.5vw, 1.25rem);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a:not(.logo) {
  font-size: var(--step--1);
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.site-nav a:not(.logo):hover,
.site-nav a:not(.logo):focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.site-nav a.is-active {
  color: var(--accent);
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin-left: 0.25rem;
}

.lang-switch__btn {
  font-family: var(--font-ui);
  font-size: var(--step--1);
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.lang-switch__btn:hover {
  color: var(--text);
}

.lang-switch__btn.is-active {
  background: var(--accent-dim);
  color: var(--accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.25s, opacity 0.2s;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem var(--space) 1.5rem;
    background: rgba(7, 9, 13, 0.97);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
  }

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

  .site-nav a:not(.logo) {
    padding: 0.75rem 0;
  }

  .lang-switch {
    margin-left: 0;
    margin-top: 0.5rem;
    align-self: flex-start;
  }
}

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space);
}

.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(3rem, 8vw, 5rem);
}

@media (min-width: 900px) {
  .hero {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
  }
}

.hero__eyebrow {
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

.hero__focus {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: var(--step-1);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent-hot);
  margin: 0 0 1rem;
  padding: 0.4rem 1rem;
  line-height: 1.35;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(62, 224, 185, 0.18) 0%, rgba(100, 160, 255, 0.12) 100%);
  border: 1px solid rgba(62, 224, 185, 0.35);
  box-shadow: 0 0 40px rgba(62, 224, 185, 0.08);
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.hero__title-name {
  font-size: var(--step-4);
}

.hero__title-tagline {
  font-family: var(--font-ui);
  font-size: var(--step-1);
  font-weight: 500;
  letter-spacing: 0;
  color: var(--muted);
  max-width: 40ch;
  line-height: 1.35;
}

.hero__lead {
  font-size: var(--step-2);
  font-weight: 500;
  color: var(--text);
  margin: 0 0 1rem;
  max-width: 42ch;
}

.hero__sub {
  color: var(--muted);
  margin: 0 0 1.75rem;
  max-width: 52ch;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-ui);
  font-size: var(--step--1);
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
}

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

.btn--primary {
  background: linear-gradient(135deg, var(--accent) 0%, #2bc49a 100%);
  color: #04120e;
  box-shadow: 0 8px 32px rgba(62, 224, 185, 0.25);
}

.btn--primary:hover {
  box-shadow: 0 12px 40px rgba(62, 224, 185, 0.35);
  color: #04120e;
}

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

.btn--ghost:hover {
  border-color: rgba(62, 224, 185, 0.4);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.btn--lg {
  padding: 0.85rem 1.5rem;
  font-size: var(--step-0);
}

.btn:focus-visible,
.lang-switch__btn:focus-visible,
.nav-toggle:focus-visible {
  outline: 2px solid var(--accent-hot);
  outline-offset: 3px;
}

.hero__panel {
  display: grid;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero__stat {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(145deg, rgba(62, 224, 185, 0.08) 0%, transparent 60%);
  border: 1px solid var(--border);
}

.hero__stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 700;
  color: var(--accent-hot);
  line-height: 1.2;
}

.hero__stat-label {
  font-size: var(--step--1);
  color: var(--muted);
}

.section {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.section--alt {
  margin: 0 calc(-1 * var(--space));
  padding-left: var(--space);
  padding-right: var(--space);
  background: linear-gradient(180deg, rgba(20, 26, 36, 0.5) 0%, transparent 100%);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.section__head {
  margin-bottom: 2rem;
}

.section h2 {
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

.section__intro {
  color: var(--muted);
  max-width: 60ch;
  margin: 0;
}

.section__intro--wide {
  max-width: 72ch;
}

.cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  padding: 1.35rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.card:hover {
  border-color: rgba(62, 224, 185, 0.25);
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}

.card__icon {
  display: block;
  font-size: 1.25rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
  opacity: 0.9;
}

.card h3 {
  font-size: var(--step-1);
  font-weight: 600;
  margin: 0 0 0.5rem;
  line-height: 1.3;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: var(--step--1);
}

.tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tags li {
  padding: 0.45rem 0.85rem;
  font-size: var(--step--1);
  font-weight: 500;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: border-color 0.2s, background 0.2s;
}

.tags li:hover {
  border-color: rgba(62, 224, 185, 0.35);
  background: var(--surface-hover);
}

/* Experience: grouped role cards */
.career-threads {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.career-group__title {
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 700;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
  color: var(--accent-hot);
}

.career-group__cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .career-group__cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.career-card {
  padding: 1.35rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.career-card:hover {
  border-color: rgba(62, 224, 185, 0.2);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.career-card__head {
  margin-bottom: 0.65rem;
}

.career-card__period {
  display: inline-block;
  font-size: var(--step--1);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 0.35rem;
}

.career-card__role {
  font-size: var(--step-1);
  font-weight: 600;
  margin: 0 0 0.25rem;
  line-height: 1.3;
}

.career-card__org {
  font-size: var(--step--1);
  color: var(--muted);
  margin: 0;
}

.career-card__desc {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: var(--step--1);
  line-height: 1.55;
}

.career-card__context {
  margin: 0;
  padding-top: 0.75rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  font-size: 0.8rem;
  color: var(--accent-hot);
  opacity: 0.95;
  line-height: 1.45;
}

.credentials {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .credentials {
    grid-template-columns: repeat(3, 1fr);
  }
}

.credentials__block {
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.credentials__block h3 {
  font-size: var(--step-1);
  font-weight: 600;
  margin: 0 0 0.75rem;
  color: var(--accent-hot);
}

.credentials__list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: var(--step--1);
}

.credentials__list li + li {
  margin-top: 0.5rem;
}

.quotes {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .quotes {
    grid-template-columns: repeat(2, 1fr);
  }
}

.quote {
  margin: 0;
  padding: 1.35rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-style: normal;
}

.quote p {
  margin: 0 0 1rem;
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--text);
}

.quote p::before {
  content: "“";
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 1.5em;
  line-height: 0;
  margin-right: 0.15em;
  vertical-align: -0.15em;
}

.quote footer {
  font-size: var(--step--1);
  color: var(--muted);
}

.section--contact {
  padding-bottom: clamp(3rem, 8vw, 5rem);
}

.contact {
  display: grid;
  gap: 2rem;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(62, 224, 185, 0.08) 0%, var(--surface) 50%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

@media (min-width: 768px) {
  .contact {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

.contact h2 {
  font-family: var(--font-display);
  font-size: var(--step-3);
  margin: 0 0 0.5rem;
}

.contact__text p {
  margin: 0;
  color: var(--muted);
  max-width: 48ch;
}

.contact__note {
  margin-top: 1rem !important;
  font-size: var(--step--1) !important;
  font-style: italic;
  opacity: 0.85;
}

.contact__actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 200px;
}

/* Visible without JS; .js enables scroll-in animation only */
[data-reveal] {
  opacity: 1;
  transform: none;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

.site-footer {
  max-width: 1120px;
  margin: 0 auto;
  padding: 2rem var(--space) 2.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.site-footer__inner {
  margin: 0;
  font-size: var(--step--1);
  color: var(--muted);
}