/* =====================
       Design Tokens
    ====================== */
   :root {
  /* Base surfaces */
  --bg: #f4f3ef;              /* warm paper */
  --card: #ffffff;
  --muted-card: #f6f6f4;

  /* Text */
  --text: #1c1c1c;            /* ink */
  --muted: #5f6368;           /* soft graphite */

  /* Accents */
  --primary: #5b6d5b;         /* muted green */
  --accent: #b08968;          /* warm brass */

  /* Effects */
  --ring: rgba(91, 109, 91, 0.35);
  --radius: 14px;
  --shadow: 0 10px 30px rgba(2, 6, 23, .08);

  /* Layout */
  --spacing: clamp(16px, 2.5vw, 28px);
  --container: 1440px;
  --transition: .25s ease;
  --nav-h: 64px;
}
   [data-theme="dark"] {
  /* Surfaces */
  --card: #1e1f1c;        /* warm charcoal */
  --muted-card: #191a17;

  /* Text */
  --text: #e8e6e3;        /* soft off-white */
  --muted: #b5b2ab;      /* warm gray */

  /* Accents (same hues, darker) */
  --primary: #7f927f;     /* muted sage */
  --accent: #c29a73;      /* subdued brass */

  /* Effects */
  --ring: rgba(127, 146, 127, 0.35);
  --shadow: 0 12px 30px rgba(0,0,0,.55);
}
    /* =====================
       Base / Reset
    ====================== */
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
      color: var(--text);
      background:
    radial-gradient(1200px 600px at 10% -10%, rgba(176, 137, 104, 0.06), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(91, 109, 91,0.06), transparent 60%),
    linear-gradient(180deg, #f4f3ef 0%, #f6f6f4 40%, #ffffff 100%);
  background-attachment: fixed;
    }
   [data-theme="dark"] body, 
        [data-theme="dark"] {
          background:
            radial-gradient(900px 500px at 10% -10%, rgba(176, 137, 104, 0.06), transparent 60%),
            radial-gradient(900px 500px at 90% 0%, rgba(91, 109, 91, 0.08), transparent 60%),
            linear-gradient(180deg, #161714 0%, #1c1d19 100%);
        }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    .container { max-width: var(--container); margin: 0 auto; padding: 0 var(--spacing); }

    /* Utility */
    .visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
    .chip { display: inline-flex; align-items: center; gap: .5rem; padding: .35rem .7rem; border-radius: 999px; background: var(--muted-card); color: var(--muted); font-size: .85rem; }

    /* =====================
       Top Navigation
    ====================== */
    .navwrap { position: sticky; top: 0; z-index: 60; backdrop-filter: saturate(1.2) blur(10px); width: 100%; }
    nav {
      display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
      padding: .6rem var(--spacing);
      border-bottom: 1px solid rgba(100,116,139,.15);
      background: color-mix(in lab, var(--card) 80%, transparent);
      min-height: var(--nav-h);
    }
    .brand { display: flex; align-items: center; gap: 0.5rem; font-weight: 800; letter-spacing: .2px; }
    .brand span { color: inherit; }
    .brand-icon {
      width: 22px;
      height: 22px;
      display: block;
    }
    .navlinks { display: flex; gap: 1rem; justify-content: center; }
    .navlinks a { position: relative; padding: .4rem .6rem; border-radius: 10px; }
    /* Quiet nav hover */
    .navlinks a.active,
    .navlinks a:hover {
      background: rgba(176, 137, 104, 0.05);
    }
    
    .navlinks a::after {
      content: "";
      position: absolute;
      left: 8px;
      right: 8px;
      bottom: 4px;
      height: 1px;
      background: var(--accent);
      opacity: 0;
      transition: opacity 0.2s ease;
    }
    
    .navlinks a.active::after,
    .navlinks a:hover::after {
      opacity: 0.5;
    }
    .nav-actions { display: flex; justify-content: end; gap: .5rem; align-items: center; }
    .btn { display: inline-flex; align-items: center; gap: .5rem; padding: .55rem .9rem; border: 1px solid rgba(100,116,139,.25); border-radius: 12px; background: var(--card); color: var(--text); box-shadow: var(--shadow); transition: transform var(--transition), box-shadow var(--transition), background var(--transition); }
    .btn:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,.14); }
    .btn:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--ring); }
    .btn-primary { border-color: transparent; background: linear-gradient(135deg, var(--primary), var(--accent)); color: white; box-shadow: 0 10px 30px rgba(91, 109, 91, 0.22); }

    /* Force Copy Email text color (esp. iOS Safari / dark mode) */
    #copyEmail.btn {
      color: var(--text) !important;
      -webkit-text-fill-color: var(--text) !important;
    }
    
    /* If Copy Email is an <a> on mobile, cover states too */
    #copyEmail.btn:visited,
    #copyEmail.btn:active,
    #copyEmail.btn:focus,
    #copyEmail.btn:focus-visible {
      color: var(--text) !important;
      -webkit-text-fill-color: var(--text) !important;
    }

    .btn {
      -webkit-appearance: none;
      appearance: none;
    }

    /* Hamburger */
    .hamburger { display: none; width: 40px; height: 40px; border-radius: 10px; border: 1px solid rgba(100,116,139,.25); background: var(--card); align-items: center; justify-content: center; cursor: pointer; }
    .hamburger .bar { width: 18px; height: 2px; background: currentColor; position: relative; }
    .hamburger .bar::before, .hamburger .bar::after { content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: currentColor; transition: transform .2s ease; }
    .hamburger .bar::before { top: -6px; }
    .hamburger .bar::after { top: 6px; }
    .hamburger[aria-expanded="true"] .bar { background: transparent; }
    .hamburger[aria-expanded="true"] .bar::before { transform: translateY(6px) rotate(45deg); }
    .hamburger[aria-expanded="true"] .bar::after { transform: translateY(-6px) rotate(-45deg); }

    /* Mobile menu panel + animation */
    .mobile-panel {
      display: block; /* allow anim but visually hidden by default */
      position: absolute; inset: var(--nav-h) 0 auto 0; z-index: 55;
      background: color-mix(in lab, var(--card) 92%, transparent);
      border-bottom: 1px solid rgba(100,116,139,.15);
      box-shadow: var(--shadow);
      padding: calc(var(--spacing)*0.75) var(--spacing);
      transform: translateY(-8px);
      opacity: 0; visibility: hidden; pointer-events: none;
      transition: transform .22s ease, opacity .22s ease, visibility 0s linear .22s;
    }
    .mobile-panel.open { transform: translateY(0); opacity: 1; visibility: visible; pointer-events: auto; transition-delay: 0s; }
    .mobile-links { display: grid; gap: .6rem; }
    .mobile-links a { padding: .6rem .75rem; border-radius: 10px; }
    .mobile-links a:hover { background: rgba(176, 137, 104, 0.12); }

    /* Scrim (backdrop) */
    .scrim {
      position: fixed; inset: 0; z-index: 50; background: rgba(2,6,23,.45);
      opacity: 0; pointer-events: none; transition: opacity .22s ease;
    }
    .scrim.open { opacity: 1; pointer-events: auto; }

    @media (prefers-reduced-motion: reduce) {
      .mobile-panel { transition: none; }
      .scrim { transition: none; }
    }

    /* =====================
       Hero
    ====================== */
    header.hero { padding: calc(var(--spacing)*2.2) 0 calc(var(--spacing)*1.2); text-align: center; }
    .hero-title { font-size: clamp(1.35rem, 2.8vw, 2rem); line-height: 1.2; letter-spacing: -.2px; margin: 0 0 .6rem;}
    .hero-title .mobile-break { display: inline; }
    .hero-sub { max-width: 780px; margin: 0 auto; font-size: clamp(1rem, 2vw, 1.15rem); color: var(--muted); padding-inline: var(--spacing); }
    .hero-cta { margin-top: 1.25rem; display: flex; gap: .6rem; justify-content: center; flex-wrap: wrap; padding-inline: var(--spacing); }

    /* Floating orbs background */
    .orbs { position: absolute; inset: -80px 0 auto 0; height: 240px; pointer-events: none; overflow: hidden; }
    .orb { position: absolute; width: 220px; height: 220px; border-radius: 50%; filter: blur(30px); opacity: .6; animation: float 12s ease-in-out infinite; }
    .orb.a { left: 8%; top: -20px; background: radial-gradient(circle at 30% 30%, rgba(176, 137, 104, 0.50), transparent 60%); }
    .orb.b { right: 10%; top: -40px; background: radial-gradient(circle at 70% 40%, rgba(91, 109, 91, 0.50), transparent 60%); animation-delay: 2.2s; }
    @keyframes float { 0%,100%{ transform: translateY(0)} 50%{ transform: translateY(14px)} }

    /* =====================
       Sections / Cards
    ====================== */
    section { scroll-margin-top: 92px; }
    .card { background: var(--card); border: 1px solid rgba(100,116,139,.17); border-radius: var(--radius); box-shadow: var(--shadow); padding: clamp(16px, 2vw, 26px); }
    .section { padding: calc(var(--spacing)*1.2) 0; }
    .section h2 {  font-size: clamp(1.15rem, 2.2vw, 1.5rem); margin: 0 0 .6rem; letter-spacing: -0.2px; }
    .section > h2 { padding-inline: var(--spacing); }

    /* About */
    .about-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; padding-inline: var(--spacing); }

    /* Projects grid */
    .grid { display: grid; gap: 1rem; grid-template-columns: repeat(12, 1fr); padding-inline: var(--spacing); }
    .project { grid-column: span 12; display: grid; grid-template-columns: 1fr; gap: 1rem; position: relative; overflow: hidden; }
    .project:hover .project-bg { transform: scale(1.04); }
    .project-bg { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(91, 109, 91, 0.10), rgba(176, 137, 104, 0.10)); transition: transform var(--transition); }
    .project-content { position: relative; display: grid; gap: .8rem; }
    .tags { display: flex; gap: .5rem; flex-wrap: wrap; }
    .project a:hover h3 { text-decoration: underline; }

    /* Privacy accordion */
    .accordion { display: grid; gap: .8rem; padding-inline: var(--spacing); }
    details.ac { border: 1px solid rgba(100,116,139,.2); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); overflow: hidden; scroll-margin-top: 6rem; }
    details.ac[open] summary { border-bottom: 1px solid rgba(100,116,139,.15); }
    details.ac summary { cursor: pointer; padding: 1rem 1.1rem; list-style: none; font-weight: 600; display: flex; align-items: center; justify-content: space-between; }
    details.ac summary::-webkit-details-marker { display: none; }
    details.ac .panel { padding: 1rem 1.1rem; color: var(--muted); }
    details.ac .panel a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
    details.ac .panel a:hover {  text-decoration-thickness: 2px; }
    .ac .chip {
      background: transparent;
      color: var(--accent);
      border: 1px solid rgba(176, 137, 104, 0.35);
    }
    
    /* Accordion-style link card (no dropdown) */
.link-card {
  display: block;
  border: 1px solid rgba(100,116,139,.2);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
  overflow: hidden;
}

/* Match summary layout exactly */
.ac-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.1rem;
  font-weight: 600;
  color: inherit;
  text-decoration: none;
}

/* Hover parity with accordion summary */
.ac-link:hover {
  background: rgba(0,0,0,.03);
}

    /* Contact */
    .contact-actions { display: flex; gap: .6rem; flex-wrap: wrap; }
    .kbd { border: 1px solid rgba(100,116,139,.35); border-bottom-width: 2px; padding: 2px 6px; border-radius: 6px; font-weight: 600; font-variant-numeric: tabular-nums; }

    /* Footer */
    footer { padding: 2rem 0; text-align: center; color: var(--muted); }

    /* Reveal on scroll */
    .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
    .reveal.visible { opacity: 1; transform: translateY(0); }

    .nowrap { white-space: nowrap; }

    .project-title a {
      color: inherit;
      text-decoration: none;
      position: relative;
      display: inline-block;
    }
    
    .project-title a::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: -3px;
      height: 1px;
      background-color: var(--accent);
      opacity: 0.6;
    }
    
    .project-title a:hover::after {
      opacity: 1;
    }

    .credit-link {
      color: inherit;
      text-decoration: none;
      position: relative;
      white-space: nowrap;
        display: inline-block;
    }
    
    .credit-link::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0px;
      height: 1px;
      background-color: currentColor;
      opacity: 0.35;
    }
    
    .credit-link:hover::after {
      opacity: 0.6;
    }

    /* Responsive */
    @media (min-width: 720px) {
      .about-grid { grid-template-columns: .9fr 1.1fr; }
      .project { grid-column: span 6; }
        .brand-icon {
            width: 30px;
            height: 30px;
          }
    }

    @media (max-width: 720px) {
      .hero-title .mobile-break {
        display: block;
      }
    }
    @media (max-width: 900px) {
      /* beef up safe padding on small screens */
      .container { padding-inline: calc(var(--spacing) * 1.1); }
      /* collapse nav into hamburger */
      .navlinks { display: none; }
      .nav-actions .btn.btn-primary { display: none; }
      .hamburger { display: inline-flex; }
     nav {
        grid-template-columns: auto 1fr auto;
        align-items: center;
      }
    
      .brand {
        grid-column: 1;
        justify-self: start;
        text-align: left;
      }
    
      .nav-actions {
        grid-column: 3;
        justify-self: end;
      }
     }