/* ============================================================
   CYAN STONE — Electric Paradise Design System
   Single stylesheet. No framework, no preprocessor.
   ============================================================ */

@layer tokens, reset, base, layout, components, motion, responsive;


/* === TOKENS === */

@layer tokens {
  :root {
    /* Colors — Deep House, palette-locked (Russian violet, Cyan, Ivory, Princeton orange) */
    --bg:        #2F004D;   /* Russian violet */
    --bg-lift:   #3D0666;   /* lighter violet for surfaces */
    --bg-deep:   #1A002C;   /* deeper violet-ink for recessed areas */
    --fg:        #FFFFF0;
    --fg-muted:  rgba(255, 255, 240, .72);
    --fg-dim:    rgba(255, 255, 240, .5);
    --ivory:     #FFFFF0;
    --violet:    #2F004D;
    --violet-ink:#1A002C;
    --cyan:      #00FFFF;
    --cyan-glow: rgba(0, 255, 255, .35);
    --tangerine: #FF9B21;
    --overlay-dark: rgba(0, 0, 0, .45);
    --border:    rgba(255, 255, 240, .1);

    /* Typography */
    --font-display: 'Syne', ui-sans-serif, system-ui, sans-serif;
    --font-sans:    'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-serif:   var(--font-sans); /* back-compat alias */

    /* Type scale — fluid */
    --fs-xs:      clamp(.75rem, .7rem + .2vw, .85rem);
    --fs-sm:      clamp(.875rem, .82rem + .25vw, 1rem);
    --fs-body:    clamp(1.0625rem, 1rem + .3vw, 1.1875rem);
    --fs-lead:    clamp(1.25rem, 1.1rem + .8vw, 1.625rem);
    --fs-h2:      clamp(1.75rem, 1.4rem + 1.6vw, 2.75rem);
    --fs-display: clamp(3.5rem, 2rem + 7.5vw, 9.5rem);

    /* Spacing */
    --s-1:  .25rem;
    --s-2:  .5rem;
    --s-3:  .75rem;
    --s-4:  1rem;
    --s-5:  1.5rem;
    --s-6:  2rem;
    --s-7:  3rem;
    --s-8:  4.5rem;
    --s-9:  6.5rem;
    --s-10: 9rem;

    /* Easing */
    --ease-out:  cubic-bezier(.2, .7, .2, 1);
    --ease-slow: cubic-bezier(.16, 1, .3, 1);

    /* Durations */
    --t-fast: 200ms;
    --t-med:  450ms;
    --t-slow: 900ms;

    /* Radius */
    --r-sm: 4px;
    --r-md: 10px;
    --r-lg: 20px;

    /* Container */
    --container-max: 1280px;
    --container-pad: clamp(1.25rem, 4vw, 3rem);

    /* Shadows & glows */
    --shadow-sm:  0 2px 10px rgba(47, 0, 77, .08);
    --glow-cyan:  0 0 24px var(--cyan-glow);
  }
}


/* === RESET === */

@layer reset {
  html {
    scroll-behavior: smooth;
  }

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

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

  body {
    margin: 0;
  }

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

  h1, h2, h3, h4, h5, h6 {
    font: inherit;
  }

  body {
    line-height: 1.55;
  }

  .unstyled {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  a {
    color: inherit;
  }
}


/* === BASE === */

@layer base {
  body {
    background-color: var(--bg);
    color: var(--fg);
    font-family: var(--font-sans);
    font-size: var(--fs-body);
    font-weight: 400;
  }

  ::selection {
    background: var(--cyan);
    color: var(--violet-ink);
  }

  a {
    color: var(--cyan);
    text-decoration: underline solid color-mix(in srgb, var(--cyan) 40%, transparent) 1px;
  }

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

  :focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 3px;
    border-radius: var(--r-sm);
  }
}


/* === LAYOUT === */

@layer layout {
  .container {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
  }

  .stack > * + * {
    margin-block-start: var(--s-5);
  }

  .section {
    padding-block: var(--s-9);
  }

  .eyebrow {
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: .32em;
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--cyan);
    display: inline-flex;
    align-items: center;
    gap: var(--s-3);
  }

  .eyebrow::before {
    content: '';
    width: var(--s-6);
    height: 1px;
    background: var(--cyan);
    display: inline-block;
  }
}


/* === COMPONENTS / NAV === */

@layer components {
  .nav {
    position: fixed;
    inset-inline: 0;
    top: 0;
    z-index: 20;
    padding: clamp(.875rem, 1.5vw, 1.25rem) var(--container-pad);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: var(--s-5);
    transition:
      background var(--t-med) var(--ease-out),
      backdrop-filter var(--t-med),
      border-color var(--t-med);
    border-bottom: 1px solid transparent;
  }

  .nav a {
    color: var(--fg);
    text-shadow: 0 1px 2px rgba(0, 0, 0, .55), 0 2px 16px rgba(0, 0, 0, .35);
  }

  .nav.is-scrolled {
    background: rgba(47, 0, 77, .78);
    backdrop-filter: blur(18px) saturate(1.1);
    border-bottom-color: var(--border);
  }

  .nav.is-scrolled a {
    color: var(--fg);
    text-shadow: none;
  }

  .nav__wordmark {
    justify-self: center;
    font-family: var(--font-display);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .32em;
    font-size: clamp(.85rem, 1.1vw, 1rem);
    text-decoration: none;
    color: var(--fg);
    white-space: nowrap;
    -webkit-text-stroke: .4px var(--violet-ink);
    text-shadow: 0 1px 2px rgba(0, 0, 0, .55), 0 2px 16px rgba(0, 0, 0, .35);
  }

  .nav.is-scrolled .nav__wordmark {
    text-shadow: none;
  }

  .nav > nav {
    justify-self: end;
  }

  .nav__brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    line-height: 0;
  }

  .nav__brand img {
    height: clamp(32px, 4.4vw, 44px);
    width: auto;
    display: block;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, .35));
    transition: filter var(--t-med) var(--ease-out), transform var(--t-fast) var(--ease-out);
  }

  .nav.is-scrolled .nav__brand img {
    filter: none;
  }

  .nav__brand:hover img {
    transform: translateY(-1px);
  }

  .nav__links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: clamp(1rem, 2.5vw, 2.25rem);
    font-family: var(--font-display);
    font-size: .8rem;
    letter-spacing: .28em;
    text-transform: uppercase;
    font-weight: 600;
  }

  .nav__links a {
    text-decoration: none;
    position: relative;
  }

  .nav__links a::after {
    content: '';
    position: absolute;
    inset-inline: 0;
    bottom: -6px;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t-med) var(--ease-out);
  }

  .nav__links a:hover::after {
    transform: scaleX(1);
  }


  /* === COMPONENTS / HERO === */

  .hero {
    position: relative;
    min-height: 100svh;
    display: grid;
    isolation: isolate;
    overflow: hidden;
    color: #fff;
  }

  .hero picture,
  .hero img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 35%;
    z-index: -2;
  }

  .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
      linear-gradient(
        180deg,
        rgba(26, 0, 44, .38) 0%,
        rgba(26, 0, 44, .12) 22%,
        rgba(26, 0, 44, .08) 45%,
        rgba(26, 0, 44, .25) 70%,
        rgba(26, 0, 44, .62) 100%
      ),
      radial-gradient(
        ellipse 80% 60% at 30% 75%,
        rgba(26, 0, 44, .35) 0%,
        transparent 70%
      );
    z-index: -1;
  }


  /* === COMPONENTS / BIO === */

  .bio {
    padding-block: clamp(var(--s-8), 10vw, var(--s-10));
    background: var(--bg);
  }

  .bio__grid {
    display: grid;
    gap: var(--s-7);
    align-items: center;
  }

  .bio__media {
    aspect-ratio: 4 / 5;
    overflow: hidden;
    border-radius: var(--r-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
    background: var(--bg-lift);
    border: 1px solid var(--border);
  }

  .bio__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .bio__body {
    max-width: 58ch;
  }

  .bio__body p {
    font-size: var(--fs-lead);
    font-weight: 300;
    line-height: 1.6;
    color: var(--fg);
  }

  .bio__body p + p {
    margin-block-start: var(--s-5);
  }

  .bio__body em {
    font-style: italic;
    color: var(--cyan);
  }


  /* === COMPONENTS / MUSIC === */

  .music {
    padding-block: var(--s-9);
    text-align: center;
    background: linear-gradient(
      180deg,
      var(--bg) 0%,
      var(--bg-deep) 100%
    );
  }

  .music__title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--fs-h2);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-block: var(--s-4) var(--s-7);
    color: var(--fg);
    -webkit-text-stroke: .5px var(--violet-ink);
  }

  .music__frame {
    max-width: 860px;
    margin-inline: auto;
    padding: var(--s-4);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    background: var(--bg-lift);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
  }

  .music__frame iframe {
    width: 100%;
    height: 420px;
    border: 0;
    border-radius: var(--r-md);
    display: block;
  }

  .music__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--s-3);
    margin-block-start: var(--s-6);
    padding: var(--s-3) var(--s-6);
    background: var(--tangerine);
    color: var(--violet-ink);
    text-decoration: none;
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
    font-size: .85rem;
    border-radius: 999px;
    transition:
      transform var(--t-fast) var(--ease-out),
      box-shadow var(--t-fast);
  }

  .music__cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-cyan), 0 8px 30px rgba(255, 155, 33, .35);
  }

  .spotify-fallback {
    display: none;
  }

  .music.no-embed .music__frame {
    display: none;
  }

  .music.no-embed .spotify-fallback {
    display: inline-flex;
  }


  /* === COMPONENTS / FOOTER === */

  .site-footer {
    padding-block: var(--s-8);
    background: var(--bg-deep);
    color: var(--fg-muted);
    text-align: center;
    border-top: 1px solid var(--border);
  }

  .site-footer a {
    color: inherit;
    text-decoration: none;
  }

  .site-footer__socials {
    display: flex;
    justify-content: center;
    gap: var(--s-5);
    list-style: none;
    padding: 0;
    margin: 0 0 var(--s-5);
  }

  .social-icon {
    width: 44px;
    height: 44px;
    display: inline-grid;
    place-items: center;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 240, .2);
    transition:
      background var(--t-fast),
      border-color var(--t-fast),
      color var(--t-fast),
      transform var(--t-fast);
  }

  .social-icon svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
  }

  .social-icon:hover {
    background: var(--cyan);
    border-color: var(--cyan);
    color: var(--violet-ink);
    transform: translateY(-2px);
  }

  .site-footer__meta {
    font-family: var(--font-display);
    font-size: .72rem;
    letter-spacing: .3em;
    text-transform: uppercase;
    opacity: .7;
  }

  .site-footer__nav {
    display: flex;
    justify-content: center;
    gap: var(--s-5);
    margin-block-start: var(--s-4);
    font-family: var(--font-display);
    font-size: .72rem;
    letter-spacing: .24em;
    text-transform: uppercase;
  }
}


/* === MOTION === */

@layer motion {
  .reveal {
    opacity: 1;
  }

  html.js-enabled .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition:
      opacity var(--t-slow) var(--ease-slow),
      transform var(--t-slow) var(--ease-slow);
  }

  html.js-enabled .reveal.is-visible {
    opacity: 1;
    transform: none;
  }

  @keyframes floatSlow {
    0%, 100% { transform: scale(1.02) translateY(0); }
    50%       { transform: scale(1.04) translateY(-1.2%); }
  }

  .hero img {
    animation: floatSlow 18s var(--ease-slow) infinite;
    will-change: transform;
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation: none !important;
      transition-duration: 1ms !important;
    }

    html.js-enabled .reveal {
      opacity: 1 !important;
      transform: none !important;
    }

    .hero img {
      animation: none !important;
    }
  }
}


/* === RESPONSIVE === */

@layer responsive {
  @media (max-width: 720px) {
    .nav {
      grid-template-columns: auto 1fr auto;
    }
    .nav__wordmark {
      font-size: .78rem;
      letter-spacing: .24em;
    }
  }

  @media (max-width: 520px) {
    .nav__wordmark {
      display: none;
    }
    .nav {
      grid-template-columns: 1fr auto;
    }
    .nav__links {
      gap: 1rem;
    }
    .nav__links a {
      font-size: .7rem;
      letter-spacing: .2em;
    }
  }

  @media (max-width: 360px) {
    .nav__links {
      gap: .7rem;
    }
    .nav__links a {
      font-size: .62rem;
      letter-spacing: .14em;
    }

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

    .bio__media {
      aspect-ratio: 16 / 9;
    }

    .music__frame iframe {
      height: 352px;
    }
  }

  @media (min-width: 900px) {
    .bio__grid {
      grid-template-columns: 1.05fr .95fr;
      gap: clamp(2.5rem, 5vw, 4rem);
    }

    .bio__media {
      aspect-ratio: 4 / 5;
    }
  }
}


/* === COMPONENTS / CONTACT === */

@layer components {
  .contact {
    background: var(--bg-deep);
    border-top: 1px solid var(--border);
  }

  .contact__container {
    max-width: 720px;
  }

  .contact__title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--fs-h2);
    letter-spacing: -.01em;
    margin: var(--s-3) 0 var(--s-4);
    color: var(--fg);
    -webkit-text-stroke: .5px var(--violet-ink);
  }

  .contact__lede {
    color: var(--fg-muted);
    font-size: var(--fs-lead);
    max-width: 52ch;
    margin: 0 0 var(--s-7);
  }

  .contact__form {
    display: grid;
    gap: var(--s-5);
  }

  .contact__field {
    display: grid;
    gap: var(--s-2);
  }

  .contact__field label {
    font-family: var(--font-display);
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--cyan);
  }

  .contact__field input,
  .contact__field textarea {
    font: inherit;
    color: var(--fg);
    background: color-mix(in srgb, var(--bg-lift) 65%, transparent);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: .875rem 1rem;
    width: 100%;
    transition: border-color var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
    -webkit-appearance: none;
    appearance: none;
  }

  .contact__field textarea {
    resize: vertical;
    min-height: 9rem;
    line-height: 1.5;
  }

  .contact__field input::placeholder,
  .contact__field textarea::placeholder {
    color: var(--fg-dim);
  }

  .contact__field input:focus,
  .contact__field textarea:focus {
    outline: none;
    border-color: var(--cyan);
    background: color-mix(in srgb, var(--bg-lift) 85%, transparent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--cyan) 28%, transparent);
  }

  .contact__field input:user-invalid,
  .contact__field textarea:user-invalid {
    border-color: var(--tangerine);
  }

  .contact__hint {
    color: var(--fg-dim);
    font-size: var(--fs-xs);
    margin: 0;
  }

  /* Honeypot — visually hidden, accessible to bots only */
  .contact__hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
  }

  .cf-turnstile {
    min-height: 65px;
  }

  .contact__actions {
    display: flex;
    align-items: center;
    gap: var(--s-5);
    flex-wrap: wrap;
  }

  .contact__submit {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--fs-sm);
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--violet-ink);
    background: var(--tangerine);
    border: none;
    border-radius: 999px;
    padding: .95rem 1.75rem;
    cursor: pointer;
    transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
  }

  .contact__submit:hover:not(:disabled) {
    transform: translateY(-1px);
    background: color-mix(in srgb, var(--tangerine) 90%, var(--ivory));
    box-shadow: 0 6px 20px color-mix(in srgb, var(--tangerine) 35%, transparent);
  }

  .contact__submit:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 3px;
  }

  .contact__submit:disabled {
    opacity: .55;
    cursor: progress;
  }

  .contact__status {
    margin: 0;
    color: var(--fg-muted);
    font-size: var(--fs-sm);
  }

  .contact__status[data-state="error"] {
    color: var(--tangerine);
  }

  .contact__success {
    text-align: center;
    padding: var(--s-7) var(--s-4);
    background: color-mix(in srgb, var(--bg-lift) 50%, transparent);
    border: 1px solid color-mix(in srgb, var(--cyan) 40%, transparent);
    border-radius: var(--r-lg);
  }

  .contact__success-mark {
    color: var(--cyan);
    font-size: 2.5rem;
    margin: 0 0 var(--s-3);
    text-shadow: var(--glow-cyan);
  }

  .contact__success h3 {
    font-family: var(--font-display);
    font-size: var(--fs-h2);
    margin: 0 0 var(--s-2);
    color: var(--fg);
  }

  .contact__success p {
    color: var(--fg-muted);
    margin: 0;
  }
}