/* ============================================================
   Firefly — styles.css
   Orbital Luxury: Cormorant editorial serif × DM Mono precision
   Deep space navy · aurora teal · iridescent shimmer
   Layers: reset → base → layout → components → utilities
   ============================================================ */

@layer reset, base, layout, components, utilities;

/* ── Reset ──────────────────────────────────────────────── */
@layer reset {
  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  img, video, svg { max-width: 100%; display: block; }
  button, input, select, textarea { font: inherit; }
  ul { list-style: none; }
}

/* ── Base ────────────────────────────────────────────────── */
@layer base {
  :root {
    /* Deep space navy palette — oklch perceptual uniformity */
    --bg:      oklch(7%  0.014 240);
    --bg-alt:  oklch(11% 0.020 240);
    --bg-card: oklch(14% 0.024 240);
    --text:    oklch(90% 0.018 220);
    --muted:   oklch(75% 0.025 220);
    --white:   oklch(98% 0.01  200);

    /* Aurora accent */
    --accent:      oklch(72% 0.18 192);
    --accent-warm: oklch(74% 0.16 55);
    --accent-dim:  color-mix(in oklch, var(--accent) 55%, transparent);

    /* Structural lines — teal tinted */
    --line:    color-mix(in oklch, var(--accent) 24%, transparent);
    --line-hv: color-mix(in oklch, var(--accent) 45%, transparent);

    /* Typography */
    --font-head: 'Syne', sans-serif;
    --font-body: 'Outfit', system-ui, sans-serif;

    /* Fluid spacing */
    --space-xs: clamp(0.5rem,  1vw,  0.75rem);
    --space-sm: clamp(1rem,    2vw,  1.5rem);
    --space-md: clamp(1.5rem,  3vw,  2.5rem);
    --space-lg: clamp(3rem,    5vw,  5rem);
    --space-xl: clamp(5rem,    9vw,  9rem);
  }

  html {
    scroll-behavior: smooth;
    color-scheme: dark;
  }

  body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    font-size: 1rem;
    line-height: 1.7;
    min-height: 100dvh;
  }

  :is(h1, h2, h3) {
    font-family: var(--font-head);
    color: var(--white);
    line-height: 1.05;
    font-weight: 800;
    letter-spacing: -0.02em;
  }

  h1 { font-size: clamp(2.5rem, 6vw, 5rem);    font-weight: 800; }
  h2 { font-size: clamp(2rem, 4.5vw, 3.75rem); font-weight: 700; }
  h3 { font-size: 1.25rem;                       font-weight: 600; letter-spacing: 0em; }

  a { color: inherit; }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
    .reveal { opacity: 1 !important; translate: none !important; }
  }

  /* ── Focus indicators (WCAG 2.4.7, 2.4.11) ── */
  :focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
  }

  button:focus-visible,
  a:focus-visible,
  input:focus-visible,
  select:focus-visible,
  textarea:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -4px;
  }
}

/* ── Layout ──────────────────────────────────────────────── */
@layer layout {
  .container {
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: clamp(2rem, 12vw, 10rem);
  }

  section {
    position: relative;
    z-index: 1;
    padding-block: 6rem;
    border-block-end: 1px solid var(--line);
  }
}

/* ── Components ──────────────────────────────────────────── */
@layer components {

  /* ── Keyframes ── */
  @keyframes aurora-shimmer {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }

  @keyframes pulse-dot {
    0%, 100% { opacity: 1;   transform: scale(1);   }
    50%       { opacity: 0.4; transform: scale(0.7); }
  }

  /* ── Scroll-reveal ── */
  .reveal {
    opacity: 0;
    translate: 0 24px;
    transition: opacity 0.8s ease, translate 0.8s ease;

    &.is-visible {
      opacity: 1;
      translate: 0 0;
    }
  }

  /* ── Buttons ── */
  .btn-primary,
  .btn-ghost,
  .btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 2.5rem;
    min-height: 44px;
    min-width: 44px;
    font-family: var(--font-head);
    font-size: 0.78rem;
    font-weight: 400;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    border-radius: 0;
    border: 1px solid var(--line-hv);
    background: transparent;
    color: var(--text);
    transition: background 0.25s, color 0.25s, border-color 0.25s, box-shadow 0.25s;

    &:hover {
      background: var(--accent);
      color: var(--bg);
      border-color: var(--accent);
      box-shadow: 0 0 28px color-mix(in oklch, var(--accent) 35%, transparent);
    }
    &:active { opacity: 0.8; }
  }

  .btn-primary {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
    font-weight: 500;

    &:hover {
      background: color-mix(in oklch, var(--accent) 82%, white);
      border-color: color-mix(in oklch, var(--accent) 82%, white);
      box-shadow: 0 0 36px color-mix(in oklch, var(--accent) 42%, transparent);
    }
  }

  .btn-submit {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
    font-weight: 500;
    padding: 0.9rem 2.5rem;
    min-height: 44px;

    &:hover {
      background: color-mix(in oklch, var(--accent) 82%, white);
      border-color: color-mix(in oklch, var(--accent) 82%, white);
      box-shadow: 0 0 36px color-mix(in oklch, var(--accent) 42%, transparent);
    }
  }

  /* ── Shared section atoms ── */
  .section-label {
    display: flex;
    align-items: center;
    font-family: var(--font-head);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--accent);
    margin-block-end: 1.5rem;

    &::before {
      content: '';
      display: inline-block;
      width: 2rem;
      height: 1px;
      background: var(--accent);
      margin-inline-end: 0.75rem;
      opacity: 0.55;
      flex-shrink: 0;
    }
  }

  .section-sub {
    color: var(--muted);
    font-size: 1.25rem;
    max-width: 52ch;
    line-height: 1.9;
    margin-block-start: 1.5rem;
    font-weight: 300;
    font-family: var(--font-body);
  }

  .section-header--center {
    text-align: center;
    margin-block-end: 5rem;

    & .section-label {
      justify-content: center;
      &::before { display: none; }
    }

    & .section-sub { margin-inline: auto; }
  }

  /* ── Site Header / Nav ── */
  .site-header {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: 1.5rem;
    padding-inline: clamp(2rem, 12vw, 10rem);
    background: transparent;
    transition: background 0.4s, border-color 0.4s;

    &.scrolled {
      background: color-mix(in oklch, var(--bg) 90%, transparent);
      backdrop-filter: blur(24px);
      -webkit-backdrop-filter: blur(24px);
      border-block-end: 1px solid var(--line);
    }
  }

  .nav-logo {
    font-family: var(--font-head);
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.36em;
    text-transform: uppercase;
    text-decoration: none;
    background: linear-gradient(
      90deg,
      var(--white)        0%,
      var(--accent)       35%,
      var(--accent-warm)  65%,
      var(--white)        100%
    );
    background-size: 250% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;

    @media (prefers-reduced-motion: no-preference) {
      animation: aurora-shimmer 7s ease infinite;
    }
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;

    & a {
      font-family: var(--font-head);
      font-size: 0.7rem;
      font-weight: 400;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: var(--muted);
      text-decoration: none;
      transition: color 0.2s;

      &:hover { color: var(--white); }

      &.nav-cta {
        color: var(--accent);
        border: 1px solid var(--line-hv);
        padding: 0.4rem 1.25rem;

        &:hover {
          background: var(--accent);
          color: var(--bg);
          border-color: var(--accent);
        }
      }
    }
  }

  /* Mobile hamburger */
  .nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;

    & span {
      display: block;
      width: 24px;
      height: 1px;
      background: var(--white);
      transition: transform 0.25s, opacity 0.25s;
    }

    &[aria-expanded="true"] {
      & span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
      & span:nth-child(2) { opacity: 0; }
      & span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
    }
  }

  /* ── Hero ── */
  #hero {
    container-type: inline-size;
    container-name: hero;
    min-height: 100dvh;
    display: flex;
    align-items: flex-end;
    padding-block-start: calc(6rem + 70px);
    padding-block-end: 6rem;
    background:
      radial-gradient(ellipse 80% 60% at 72% -8%,  color-mix(in oklch, var(--accent) 13%, transparent), transparent 68%),
      radial-gradient(ellipse 55% 40% at 15% 105%, color-mix(in oklch, var(--accent-warm) 9%, transparent), transparent 60%),
      var(--bg);
  }

  .hero-inner {
    width: 100%;
    display: block;
  }

  .hero-visual { display: none; }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    font-family: var(--font-head);
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--accent);
    margin-block-end: 2rem;
    background: transparent;
    border: none;
    padding: 0;

    &::before {
      content: '';
      display: inline-block;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 10px var(--accent);
      flex-shrink: 0;

      @media (prefers-reduced-motion: no-preference) {
        animation: pulse-dot 2.2s ease-in-out infinite;
      }
    }
  }

  .hero-content {
    max-width: 100%;

    & h1 {
      margin-block-end: 2rem;
      letter-spacing: -0.02em;

      /* "Earth" — teal accent, slightly heavier weight for contrast */
      & em {
        font-style: normal;
        font-weight: 800;
        color: var(--accent);
        -webkit-text-fill-color: var(--accent);
      }
    }
  }

  .hero-desc {
    color: var(--muted);
    font-size: 1.2rem;
    margin-block-start: 1.5rem;
    margin-block-end: 3rem;
    max-width: 54ch;
    line-height: 1.9;
    font-weight: 300;
  }

  .hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-block-end: 5rem;
  }

  /* Stats row — DM Mono data display */
  .hero-stats {
    display: flex;
    gap: 0;
    border-block-start: 1px solid var(--line);
    padding-block-start: 2.5rem;
    flex-wrap: wrap;
  }

  .stat {
    flex: 1;
    min-width: 120px;
    padding-inline-end: 2.5rem;
    border-inline-end: 1px solid var(--line);

    &:last-child { border-inline-end: none; }
    &:not(:first-child) { padding-inline-start: 2.5rem; }
  }

  .stat-number {
    font-family: var(--font-head);
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    margin-block-end: 0.4rem;

    & span {
      color: var(--accent);
      font-size: 0.48em;
      margin-inline-start: 0.1em;
    }
  }

  .stat-label {
    font-family: var(--font-head);
    font-size: 0.75rem;
    color: var(--muted);
    letter-spacing: 0.2em;
    text-transform: uppercase;
  }

  /* ── About ── */
  #about { background: var(--bg-alt); }

  .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: start;
  }

  .feature-list {
    display: flex;
    flex-direction: column;
    gap: 0;

    & li {
      display: flex;
      gap: 1.5rem;
      align-items: flex-start;
      padding-block: 1.75rem;
      border-block-end: 1px solid var(--line);

      &:first-child { border-block-start: 1px solid var(--line); }
    }
  }

  .feature-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    color: var(--accent-dim);
    background: transparent;
    border: none;
    margin-block-start: 2px;
  }

  .feature-text {
    & strong {
      display: block;
      font-family: var(--font-head);
      font-size: 1.4rem;
      font-weight: 500;
      color: var(--white);
      margin-block-end: 0.5rem;
    }
    & span { color: var(--muted); font-size: 1rem; line-height: 1.8; }
  }

  /* ── Trip split-view steps ── */
  .trip-steps {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--line);
  }

  .trip-step {
    container-type: inline-size;
    container-name: trip-step;
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 380px;
    border-block-end: 1px solid var(--line);

    &:last-child { border-block-end: none; }

    /* Flipped variant: image comes first in DOM but CSS order swaps it */
    &.trip-step--flip {
      direction: rtl;

      & > * { direction: ltr; }
    }

    @container trip-step (width < 600px) {
      grid-template-columns: 1fr;
      direction: ltr;

      & > * { direction: ltr; }
    }
  }

  .trip-step-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1.25rem;
    padding: 3.5rem;
    border-inline-end: 1px solid var(--line);

    .trip-step--flip & {
      border-inline-end: none;
      border-inline-start: 1px solid var(--line);
    }

    @container trip-step (width < 600px) {
      border-inline-end: none !important;
      border-inline-start: none !important;
      border-block-end: 1px solid var(--line);
      padding: 2.5rem 2rem;
    }
  }

  .trip-step-image {
    display: flex;
    align-items: stretch;
  }

  .trip-step-visual {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    position: relative;
    overflow: hidden;

    /* Distinct atmospheric background per phase */
    &.trip-visual--prelaunch {
      background:
        radial-gradient(ellipse 80% 60% at 50% 110%, color-mix(in oklch, var(--accent-warm) 22%, transparent), transparent 70%),
        var(--bg-card);
    }

    &.trip-visual--launch {
      background:
        radial-gradient(ellipse 70% 70% at 50% 80%, color-mix(in oklch, oklch(65% 0.2 30) 28%, transparent), transparent 72%),
        var(--bg-card);
    }

    &.trip-visual--orbit {
      background:
        radial-gradient(ellipse 90% 55% at 50% -10%, color-mix(in oklch, var(--accent) 28%, transparent), transparent 68%),
        var(--bg-card);
    }

    &.trip-visual--return {
      background:
        radial-gradient(ellipse 75% 65% at 50% 120%, color-mix(in oklch, oklch(60% 0.15 250) 25%, transparent), transparent 70%),
        var(--bg-card);
    }
  }

  .trip-visual-icon {
    font-size: 4rem;
    opacity: 0.55;
    display: block;

    @media (prefers-reduced-motion: no-preference) {
      transition: transform 0.4s ease, opacity 0.4s ease;

      .trip-step:hover & {
        transform: scale(1.12);
        opacity: 0.75;
      }
    }
  }

  .trip-visual-label {
    font-family: var(--font-head);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
  }

  .step-time {
    font-family: var(--font-head);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.22em;
    color: var(--accent);
    text-transform: uppercase;
  }

  .step-title {
    font-family: var(--font-head);
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.05;
    letter-spacing: -0.01em;
    margin: 0;
  }

  .step-desc {
    font-size: 1rem;
    color: var(--muted);
    line-height: 1.85;
    font-family: var(--font-body);
    font-weight: 300;
    max-width: 46ch;
  }

  /* ── Acceptance ── */
  #acceptance { background: var(--bg); }

  .requirements-grid {
    container-type: inline-size;
    container-name: req-grid;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin-block-end: 3rem;
    border: 1px solid var(--line);

    @container req-grid (width < 660px) {
      grid-template-columns: 1fr 1fr;

      & .req-card:nth-child(3n)        { border-inline-end: 1px solid var(--line); }
      & .req-card:nth-child(2n)        { border-inline-end: none; }
      & .req-card:nth-last-child(-n+2) { border-block-end: none; }
      & .req-card:nth-last-child(n+3)  { border-block-end: 1px solid var(--line); }
    }

    @container req-grid (width < 420px) {
      grid-template-columns: 1fr;

      & .req-card                { border-inline-end: none !important; }
      & .req-card:not(:last-child) { border-block-end: 1px solid var(--line) !important; }
      & .req-card:last-child     { border-block-end: none !important; }
    }
  }

  .req-card {
    background: transparent;
    border: none;
    border-inline-end: 1px solid var(--line);
    border-block-end: 1px solid var(--line);
    padding: 2.25rem;
    transition: background 0.25s;

    &:nth-child(3n)          { border-inline-end: none; }
    &:nth-last-child(-n + 3) { border-block-end: none; }

    &:hover { background: color-mix(in oklch, var(--accent) 4%, transparent); }

    & .req-icon {
      font-size: 1.3rem;
      margin-block-end: 1.25rem;
      opacity: 0.38;
    }

    & h3 {
      font-family: var(--font-head);
      font-size: 1.3rem;
      font-weight: 500;
      color: var(--white);
      margin-block-end: 0.75rem;
    }

    & > p { color: var(--muted); font-size: 0.95rem; line-height: 1.7; }

    & ul {
      margin-block-start: 0.85rem;
      padding-inline-start: 0;
      list-style: none;

      & li {
        font-size: 0.82rem;
        color: var(--muted);
        margin-block-end: 0.35rem;
        padding-inline-start: 1.2rem;
        position: relative;

        &::before {
          content: '—';
          position: absolute;
          inset-inline-start: 0;
          color: var(--accent-dim);
        }
      }
    }
  }

  /* ── Evaluation timeline ── */
  /* ── Evaluation carousel ── */
  .eval-carousel {
    margin-block-start: 3rem;
  }

  .eval-carousel-inner {
    border: 1px solid var(--line);
    background: color-mix(in oklch, var(--accent) 4%, var(--bg-alt));
    position: relative;
    overflow: hidden;
  }

  /* Progress bar */
  .eval-progress-track {
    position: absolute;
    inset-block-start: 0;
    inset-inline: 0;
    height: 2px;
    background: var(--line);
    z-index: 2;
  }

  .eval-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(
      90deg,
      var(--white)       0%,
      var(--accent)      35%,
      var(--accent-warm) 65%,
      var(--white)       100%
    );
    box-shadow: 0 0 8px color-mix(in oklch, var(--accent) 60%, transparent);
  }

  /* Slides */
  .eval-slides {
    position: relative;
    min-height: 200px;
  }

  .eval-slide {
    position: absolute;
    inset: 0;
    padding: 3rem 3.5rem 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    opacity: 0;
    translate: 0 12px;
    transition: opacity 0.45s ease, translate 0.45s ease;
    pointer-events: none;

    &.is-active {
      position: relative;
      opacity: 1;
      translate: 0 0;
      pointer-events: auto;
    }
  }

  .eval-slide-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
  }

  .eval-slide-num {
    font-family: var(--font-head);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--accent);
    border: 1px solid var(--line-hv);
    padding: 0.3rem 0.6rem;
  }

  .eval-slide-duration {
    font-family: var(--font-head);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
  }

  .eval-slide-title {
    font-family: var(--font-head);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.1;
    letter-spacing: -0.01em;
  }

  .eval-slide-desc {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--muted);
    line-height: 1.8;
    max-width: 58ch;
    font-weight: 300;
  }

  /* Prev / Next arrows */
  .eval-arrows {
    position: absolute;
    inset-block-start: 2.5rem;
    inset-inline-end: 2.5rem;
    display: flex;
    gap: 0.5rem;
    z-index: 3;
  }

  .eval-arrow {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--line-hv);
    color: var(--muted);
    cursor: pointer;
    transition: color 0.2s, background 0.2s, border-color 0.2s;

    &:hover {
      color: var(--accent);
      border-color: var(--accent);
      background: color-mix(in oklch, var(--accent) 8%, transparent);
    }
  }

  /* Dot navigation */
  .eval-dots {
    display: flex;
    gap: 0;
    border-block-start: 1px solid var(--line);
  }

  .eval-dot {
    flex: 1;
    padding: 0.85rem 0.5rem;
    background: transparent;
    border: none;
    border-inline-end: 1px solid var(--line);
    font-family: var(--font-head);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    color: var(--muted);
    cursor: pointer;
    transition: color 0.2s, background 0.2s;

    &:last-child { border-inline-end: none; }

    &:hover { color: var(--white); background: color-mix(in oklch, var(--accent) 6%, transparent); }

    &.is-active {
      color: var(--accent);
      background: color-mix(in oklch, var(--accent) 8%, transparent);
    }
  }

  /* ── Testimonials ── */
  #testimonials { background: var(--bg-alt); }

  .testimonials-grid {
    container-type: inline-size;
    container-name: testimonials;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: 1px solid var(--line);

    @container testimonials (width < 680px) {
      grid-template-columns: 1fr 1fr;

      & .test-card:nth-child(3n) { border-inline-end: 1px solid var(--line); }
      & .test-card:nth-child(2n) { border-inline-end: none; }
    }

    @container testimonials (width < 440px) {
      grid-template-columns: 1fr;

      & .test-card { border-inline-end: none !important; }
    }
  }

  .test-card {
    background: transparent;
    border: none;
    border-inline-end: 1px solid var(--line);
    border-block-end: 1px solid var(--line);
    padding: 2.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    transition: background 0.25s;

    &:nth-child(3n)          { border-inline-end: none; }
    &:nth-last-child(-n + 3) { border-block-end: none; }

    &:hover { background: color-mix(in oklch, var(--accent) 3.5%, transparent); }
  }

  .stars {
    font-family: var(--font-head);
    font-size: 0.58rem;
    letter-spacing: 0.42em;
    color: var(--accent);
    opacity: 0.75;
  }

  .test-quote {
    color: var(--text);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.85;
    font-style: italic;
    font-weight: 300;
    flex: 1;
  }

  .test-author {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    margin-block-start: auto;
  }

  .author-avatar {
    flex-shrink: 0;
    inline-size: 36px;
    block-size: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-head);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: oklch(8% 0.012 240);

    /* Distinct tinted avatars using oklch */
    &.avatar-orange  { background: oklch(68% 0.14 55);  }
    &.avatar-blue    { background: oklch(62% 0.15 230); }
    &.avatar-purple  { background: oklch(60% 0.15 308); }
    &.avatar-green   { background: oklch(65% 0.15 162); }
    &.avatar-amber   { background: oklch(72% 0.18 192); }
    &.avatar-pink    { background: oklch(68% 0.13 0);   }
  }

  .author-name {
    font-family: var(--font-head);
    font-weight: 500;
    font-size: 0.72rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--white);
  }

  .author-meta {
    font-size: 0.75rem;
    color: var(--muted);
    font-family: var(--font-body);
  }

  /* ── Application form ── */
  .apply-form {
    background: transparent;
    border: 1px solid var(--line);
    padding: 3.5rem;
    max-width: 820px;
    margin-inline: auto;
  }

  .form-section-title {
    font-family: var(--font-head);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--accent);
    margin-block-end: 1.5rem;
    padding-block-end: 0.75rem;
    border-block-end: 1px solid var(--line);
  }

  .form-grid {
    container-type: inline-size;
    container-name: form-grid;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-block-end: 1.5rem;

    @container form-grid (width < 480px) {
      grid-template-columns: 1fr;
    }
  }

  .form-field {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;

    &.full { grid-column: 1 / -1; }
  }

  .field-hint {
    font-size: 0.875rem;
    color: var(--muted);
    line-height: 1.6;
    margin-block-start: 0.4rem;
    font-family: var(--font-body);
  }

  label {
    font-family: var(--font-head);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
    letter-spacing: 0.04em;
    display: block;
    margin-block-end: 0.5rem;
  }

  :is(input:not([type="checkbox"]), select, textarea) {
    width: 100%;
    background: color-mix(in oklch, var(--accent) 4%, transparent);
    border: 1px solid color-mix(in oklch, var(--accent) 38%, transparent);
    color: var(--text);
    font-size: 0.95rem;
    padding: 0.85rem 0.9rem;
    min-height: 44px;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
    appearance: none;
    font-family: var(--font-body);

    &:focus {
      outline: none;
      border-color: var(--accent);
      background-color: color-mix(in oklch, var(--accent) 7%, transparent);
      box-shadow: 0 0 0 3px color-mix(in oklch, var(--accent) 12%, transparent);
    }

    &::placeholder {
      color: color-mix(in oklch, var(--muted) 45%, transparent);
    }
  }

  select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpolyline points='2,4 6,8 10,4' fill='none' stroke='%2344c4be' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.9rem center;
    padding-inline-end: 2.5rem;

    &[data-open] {
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpolyline points='2,8 6,4 10,8' fill='none' stroke='%2344c4be' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 0.9rem center;
    }
  }

  select option { background: var(--bg-alt); }

  textarea {
    resize: vertical;
    min-height: 100px;
  }

  .checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-block-end: 1rem;

    & input[type="checkbox"] {
      appearance: none;
      -webkit-appearance: none;
      width: 18px;
      height: 18px;
      min-width: 18px;
      border-radius: 0;
      border: 1px solid color-mix(in oklch, var(--accent) 55%, transparent);
      background: color-mix(in oklch, var(--accent) 4%, transparent);
      margin-block-start: 2px;
      flex-shrink: 0;
      cursor: pointer;
      display: grid;
      place-items: center;
      transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;

      &::after {
        content: '';
        width: 10px;
        height: 6px;
        border-left: 2px solid var(--bg);
        border-bottom: 2px solid var(--bg);
        transform: rotate(-45deg) translateY(-1px);
        opacity: 0;
        transition: opacity 0.15s;
      }

      &:checked {
        background: var(--accent);
        border-color: var(--accent);

        &::after { opacity: 1; }
      }

      &:focus-visible {
        outline: 2px solid var(--accent);
        outline-offset: 2px;
        box-shadow: 0 0 0 4px color-mix(in oklch, var(--accent) 18%, transparent);
      }
    }

    & label {
      font-size: 0.875rem;
      color: var(--muted);
      font-weight: 400;
      letter-spacing: 0;
      text-transform: none;
      font-family: var(--font-body);
    }
  }

  .form-divider { block-size: 2rem; }

  .submit-row {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-block-start: 2.5rem;
  }

  .submit-banner {
    margin-block: 2rem;
    padding: 1rem 1.5rem;
    background: color-mix(in oklch, var(--accent) 12%, transparent);
    border-inline-start: 3px solid var(--accent);

    & p {
      font-family: var(--font-body);
      font-size: 0.9375rem;
      color: var(--accent);
      line-height: 1.65;
      margin: 0;
    }
  }

  .form-success {
    display: none;
    text-align: center;
    padding: 4rem 2rem;

    &.is-visible { display: block; }

    & .success-icon { font-size: 2rem; margin-block-end: 1.5rem; opacity: 0.5; }
    & h3 {
      font-family: var(--font-head);
      font-size: 2.5rem;
      font-weight: 400;
      color: var(--accent);
      margin-block-end: 0.75rem;
    }
    & p { color: var(--muted); margin-block-start: 0.5rem; }
  }

  /* ── Footer ── */
  .site-footer {
    position: relative;
    z-index: 1;
    padding-block: 3rem;
    padding-inline: clamp(2rem, 12vw, 10rem);
    text-align: center;
    border-block-start: 1px solid var(--line);

    & p { color: var(--muted); font-size: 0.78rem; }
  }

  .footer-logo {
    font-family: var(--font-head);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.36em;
    text-transform: uppercase;
    background: linear-gradient(
      90deg,
      var(--white)        0%,
      var(--accent)       35%,
      var(--accent-warm)  65%,
      var(--white)        100%
    );
    background-size: 250% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-block-end: 1rem;
    display: inline-block;

    @media (prefers-reduced-motion: no-preference) {
      animation: aurora-shimmer 7s ease infinite;
    }
  }

  .footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-block: 1.25rem;

    & a {
      font-family: var(--font-head);
      font-size: 0.75rem;
      font-weight: 400;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--muted);
      text-decoration: none;
      transition: color 0.2s;

      &:hover { color: var(--accent); }
    }
  }
}

/* ── Utilities ───────────────────────────────────────────── */
@layer utilities {
  .skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
    z-index: 9999;
  }

  .skip-link:focus {
    position: fixed;
    left: 50%;
    top: 1rem;
    transform: translateX(-50%);
    width: auto;
    height: auto;
    overflow: visible;
    padding: 0.75rem 1.5rem;
    background: var(--accent);
    color: var(--bg);
    font-family: var(--font-head);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    font-weight: 500;
  }

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

/* ── Global responsive ───────────────────────────────────── */
@media (max-width: 768px) {
  .site-header {
    padding-inline: 1.5rem;
  }

  .nav-links {
    display: none;
    position: absolute;
    inset-block-start: 100%;
    inset-inline: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: color-mix(in oklch, var(--bg) 96%, transparent);
    border-block-end: 1px solid var(--line);
    padding-block: 1rem;
    backdrop-filter: blur(24px);

    &.is-open { display: flex; }

    & a {
      padding: 0.9rem 1.5rem;
      font-size: 0.7rem;

      &.nav-cta {
        margin: 0.75rem 1.5rem 0;
        text-align: center;
        padding: 0.75rem;
        border: 1px solid var(--line-hv);
      }
    }
  }

  .nav-toggle { display: flex; }

  .about-grid { grid-template-columns: 1fr; gap: 3rem; }

  .apply-form { padding: 2rem 1.5rem; }
}