:root{
    /* light theme tokens */
    --bg: #ffffff;
    --panel: #ffffff;
    --text: #0f1720;
    --muted: #6b7280;
    --accent: #b5852b;
    --accent-weak: rgba(181,133,43,0.08);
    --card-shadow: 0 6px 18px rgba(10,10,20,0.06);
    --glass: rgba(255,255,255,0.6);
    --avatar-size: 160px;
    --radius: 12px;
    --max-w:1100px;
    --container-padding:20px;
    --transition: 300ms cubic-bezier(.2,.9,.3,1);
    --transition-fast:180ms;
  }
  
  /* dark theme overrides */
  :root[data-theme="dark"], html[data-theme="dark"]{
    --bg: #071023;
    --panel: #0b1220;
    --text: #e6eef8;
    --muted: #9aa6b2;
    --accent: #d6a65b;
    --accent-weak: rgba(214,166,91,0.08);
    --card-shadow: 0 10px 30px rgba(1,6,15,0.6);
    --glass: rgba(14,21,33,0.6);
  }
  
  /* base */
  *{box-sizing:border-box}
  html,body{height:100%}
  body{
    margin:0;
    color:var(--text);
    background:linear-gradient(180deg,var(--bg),var(--panel));
    font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    -webkit-font-smoothing:antialiased;
    line-height:1.5;
    transition: background var(--transition), color var(--transition);
  }
  
  .container{ max-width:var(--max-w); margin:0 auto; padding:var(--container-padding); }
  
  /* header */
  .site-header{
    position:sticky; top:0; z-index:120;
    backdrop-filter: blur(6px);
    background: linear-gradient(180deg, rgba(255,255,255,0.6), rgba(255,255,255,0.35));
    border-bottom:1px solid rgba(0,0,0,0.04);
    transition: background var(--transition);
  }
  html[data-theme="dark"] .site-header{
    background: linear-gradient(180deg, rgba(8,12,20,0.6), rgba(8,12,20,0.35));
    border-bottom:1px solid rgba(255,255,255,0.04);
  }
  .header-inner{ display:flex; align-items:center; justify-content:space-between; gap:12px; }
  .brand a{ text-decoration:none; color:var(--text); font-size:1.05rem; font-weight:700 }
  .brand .tag{ display:block; font-size:.78rem; color:var(--muted) }
  
  .nav{ display:flex; gap:14px; align-items:center; }
  .nav a{ text-decoration:none; color:var(--muted); font-weight:600; padding:8px 6px; border-radius:8px; transition: background var(--transition), color var(--transition); }
  .nav a:hover, .nav a:focus{ background:var(--accent-weak); color:var(--text); outline:none; }
  
  .nav a.cta{ background:var(--accent); color:white; padding:8px 12px; border-radius:10px; box-shadow:0 8px 22px rgba(181,133,43,0.12) }
  
  /* header actions */
  .header-actions{ display:flex; align-items:center; gap:8px; }
  
  /* theme toggle */
  .theme-toggle{
    display:inline-grid; place-items:center; width:44px; height:34px; border-radius:999px;
    background:transparent; border:1px solid transparent; cursor:pointer; padding:6px;
    transition: transform var(--transition-fast), background var(--transition);
    color:var(--muted);
  }
  .theme-toggle:focus{ box-shadow: 0 0 0 4px var(--accent-weak); outline:none; }
  .theme-toggle .sun{ transition: transform var(--transition), opacity var(--transition); }
  html[data-theme="dark"] .theme-toggle{ color:var(--muted); }
  
  /* hamburger (visible in dark mode) */
  .menu-toggle{ display:none; background:transparent; border:0; font-size:1.4rem; color:var(--muted); cursor:pointer; }
  #hamburgerIcon{ color:var(--muted); transition: transform var(--transition), color var(--transition); }
  
  /* Mobile dropdown nav container */
  .mobile-nav{
    position:fixed; top:0; left:0; width:100%; transform: translateY(-12px); opacity:0; visibility:hidden;
    transition: transform 360ms cubic-bezier(.2,.9,.3,1), opacity 260ms;
    z-index:115;
  }
  .mobile-nav.open{ transform: translateY(0); opacity:1; visibility:visible; }
  .mobile-nav-inner{
    background:linear-gradient(180deg,var(--panel), rgba(0,0,0,0.02));
    padding:12px 0; box-shadow:var(--card-shadow); border-bottom:1px solid rgba(0,0,0,0.04);
  }
  .mobile-link{ display:block; padding:14px 20px; text-decoration:none; color:var(--text); font-weight:700; border-radius:8px; }
  .mobile-link:hover{ background:var(--accent-weak); }
  
  /* hero */
  .hero{ padding:64px 0; }
  .hero-inner{ display:flex; gap:40px; align-items:center; justify-content:space-between; }
  .headline{ margin:0 0 12px; font-size:2.2rem; letter-spacing:-0.02em; }
  .lead{ margin:0 0 16px; color:var(--muted); max-width:56ch; }
  .hero-image img{ max-width:320px; width:100%; border-radius:14px; box-shadow:var(--card-shadow); }
  
  /* About hero section */
  .about{ padding:56px 0; background: linear-gradient(180deg, transparent, rgba(0,0,0,0.01)); }
  .about-inner{ display:flex; gap:28px; align-items:center; }
  .about-media{ flex:0 0 var(--avatar-size); }
  .avatar{ width:var(--avatar-size); height:var(--avatar-size); border-radius:16px; object-fit:cover; display:block; box-shadow:var(--card-shadow); border:1px solid rgba(0,0,0,0.04); }
  .about-content{ flex:1 }
  .subhead{ margin:8px 0; font-size:1.15rem; color:var(--text) }
  .about-copy{ color:var(--muted); margin-bottom:12px; }
  
  /* services */
  .section{ padding:48px 0; }
  .services-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:14px }
  .service{ border-radius:12px; padding:18px; background: linear-gradient(180deg,var(--panel), transparent); box-shadow: var(--card-shadow); transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); border:1px solid transparent; display:flex; flex-direction:column; justify-content:space-between; min-height:220px; }
  .service:hover, .service:focus-within{ transform: translateY(-8px) scale(1.01); box-shadow:0 18px 40px rgba(10,10,20,0.12); border-color: rgba(181,133,43,0.12); }
  .service-head h3{ margin:0 0 6px; font-size:1.05rem }
  .service-tagline{ margin:0 0 12px; color:var(--muted) }
  
  /* projects */
  .portfolio-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:14px }
  .project{ border-radius:12px; overflow:hidden; background:linear-gradient(180deg,var(--panel),transparent); transition: transform var(--transition), box-shadow var(--transition); padding:12px; border:1px solid transparent; }
  .project-media{ overflow:hidden; border-radius:8px; }
  .project-media img{ width:100%; height:160px; object-fit:cover; display:block; transition: transform 420ms cubic-bezier(.2,.9,.3,1); }
  .project:hover .project-media img{ transform: scale(1.06); }
  .project h4{ margin:10px 0 6px; font-size:1rem }
  
  /* testimonials */
  .testimonials-wrap{ margin-top:18px; position:relative; display:flex; align-items:center; gap:12px }
  .testimonial-list{ width:100%; overflow:hidden; min-height:120px; position:relative; }
  .testimonial{ position:absolute; width:100%; left:0; top:0; padding:18px; border-radius:12px; background:var(--panel); box-shadow:var(--card-shadow); opacity:0; transform: translateY(8px); transition: opacity 420ms cubic-bezier(.2,.9,.3,1), transform 420ms; }
  .testimonial.active{ opacity:1; transform: translateY(0); position:relative; }
  .quote{ font-style:italic; color:var(--text); margin:0 0 12px; }
  .client{ display:flex; gap:10px; align-items:center; color:var(--muted) }
  .avatar-sm{ width:36px; height:36px; border-radius:50%; object-fit:cover }
  
  /* testimonial controls */
  .testimonial-controls button{ background:transparent; border:1px solid rgba(0,0,0,0.06); padding:8px 12px; border-radius:10px; cursor:pointer; color:var(--muted); transition: transform var(--transition-fast); }
  .testimonial-controls button:hover{ transform: translateY(-3px); }
  
  /* contact */
  .contact-inner{ display:grid; grid-template-columns: 1fr 320px; gap:24px; align-items:start; margin-top:12px; }
  .contact-card{ background:var(--panel); border-radius:12px; padding:16px; box-shadow:var(--card-shadow); }
  .contact-form-wrap label{ display:block; margin-bottom:12px; }
  input[type="text"], input[type="email"], textarea{ width:100%; padding:12px; border-radius:10px; border:1px solid rgba(0,0,0,0.06); background:transparent; color:var(--text); transition: box-shadow var(--transition), border-color var(--transition); }
  input::placeholder, textarea::placeholder{ color: #9aa6b2; } /* grey placeholder for contrast */
  input:focus, textarea:focus{ border-color: rgba(181,133,43,0.16); box-shadow:0 8px 26px rgba(181,133,43,0.06); outline:none; }
  
  /* follow */
  .social-icons{ display:flex; gap:8px; margin-top:8px }
  .social-icons a{ text-decoration:none; color:var(--muted); border:1px solid rgba(0,0,0,0.04); padding:8px 10px; border-radius:8px; font-weight:700; }
  
  /* back to top */
  .back-to-top{ position:fixed; right:18px; bottom:18px; width:44px; height:44px; border-radius:8px; border:0; background:var(--panel); box-shadow:var(--card-shadow); display:flex; align-items:center; justify-content:center; cursor:pointer; transform: translateY(10px); opacity:0; transition: opacity 280ms, transform 280ms; z-index:200 }
  .back-to-top.show{ transform: translateY(0); opacity:1 }
  
  /* footer */
  .site-footer{ border-top:1px solid rgba(0,0,0,0.04); padding:18px 0; margin-top:40px; color:var(--muted) }
  
  /* section animation handling (no-JS visible by default) */
  .section-appear{ opacity:1; transform:none; transition: opacity 600ms, transform 600ms }
  .has-js .section-appear{ opacity:0; transform: translateY(14px) }
  .has-js .section-appear.in-view{ opacity:1; transform: translateY(0) }
  
  /* responsive */
  @media (max-width:900px){
    .nav{ display:none }
    .menu-toggle{ display:block; }
    .about-inner{ flex-direction:column; text-align:center; gap:18px; }
    .about-media{ order: -1 }
    .portfolio-grid, .services-grid{ grid-template-columns:1fr }
    .contact-inner{ grid-template-columns:1fr; }
    .mobile-link{ font-size:1rem }
  }

  
  /* ---------- Design tokens (tweak if needed) ---------- */
:root {
    --accent: #b5852b;         /* gold accent */
    --accent-contrast: #ffffff;
    --accent-strong: #8a6c23;  /* darker gold for hover */
    --muted: #6b7280;
    --text: #0f1720;
    --panel: #ffffff;
    --bg: #ffffff;
  
    --btn-radius: 12px;
    --btn-padding: 10px 18px;
    --btn-shadow: 0 8px 20px rgba(11, 12, 20, 0.06);
    --focus-ring: 4px;
    --anim-time: 360ms; /* unified timing (0.36s in range 0.3-0.5s) */
  }
  
  /* Dark theme tokens */
  :root[data-theme="dark"], html[data-theme="dark"] {
    --accent: #d6a65b;
    --accent-contrast: #071023;
    --accent-strong: #b07f3f;
    --muted: #9aa6b2;
    --text: #e6eef8;
    --panel: #071023;
    --bg: #0b1220;
    --btn-shadow: 0 10px 28px rgba(2,6,12,0.5);
  }
  
  /* ---------- Buttons & link CTAs (consistent visual language) ---------- */
  .btn, .btn-outline, .link-getstarted, .project-link {
    display:inline-block;
    text-decoration:none;              /* remove underline on CTA links */
    border-radius: var(--btn-radius);
    padding: var(--btn-padding);
    font-weight: 700;
    font-size: 0.95rem;
    transition: transform var(--anim-time) cubic-bezier(.2,.9,.3,1),
                background-color var(--anim-time),
                box-shadow var(--anim-time),
                color var(--anim-time);
    will-change: transform, box-shadow;
  }
  
  /* Primary filled CTA */
  .btn {
    background: var(--accent);
    color: var(--accent-contrast);
    border: 1px solid transparent;
    box-shadow: var(--btn-shadow);
  }
  .btn:hover, .btn:focus {
    transform: translateY(-3px) scale(1.01);
    background: var(--accent-strong);
    box-shadow: 0 12px 30px rgba(11,12,20,0.12);
    outline: none;
  }
  .btn:focus {
    box-shadow: 0 0 0 var(--focus-ring) rgba(214,166,91,0.12);
  }
  
  /* Secondary outline CTA */
  .btn-outline {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
  }
  .btn-outline:hover, .btn-outline:focus {
    background: rgba(214,166,91,0.08);
    transform: translateY(-3px);
    color: var(--accent-contrast);
    border-color: var(--accent-strong);
  }
  
  /* small inline CTA variant */
  .link-getstarted {
    padding: 8px 12px;
    font-size: .95rem;
    color: var(--accent);
    background: transparent;
    border-radius: 10px;
    text-decoration: none;
  }
  .link-getstarted:hover { transform: translateX(6px); color: var(--accent-strong); }
  
  /* Remove underline for project links specifically */
  .project-link { text-decoration: none; color: var(--accent); font-weight:700; }
  .project-link:hover { text-decoration: none; transform: translateX(6px); color: var(--accent-strong); }
  
  /* ---------- Theme Toggle (sun/moon spacing + animation) ---------- */
  .theme-toggle {
    display:inline-flex;
    align-items:center;
    gap:8px;                /* increased spacing between icons */
    padding:6px 10px;
    border-radius:999px;
    background:transparent;
    border:1px solid rgba(0,0,0,0.04);
    cursor:pointer;
    transition: background var(--anim-time), transform var(--anim-time);
    color:var(--muted);
  }
  .theme-toggle:focus { box-shadow: 0 0 0 var(--focus-ring) rgba(214,166,91,0.08); outline:none; }
  
  /* smooth fade transition when theme changes */
  html, :root {
    transition: color var(--anim-time), background-color var(--anim-time);
  }
  
  /* sun & moon small tweaks */
  .theme-toggle .sun, .theme-toggle .moon { font-size: 18px; display:inline-block; line-height:1; }
  .theme-toggle .sun { transform-origin:center; }
  html[data-theme="dark"] .theme-toggle { color: var(--muted); }
  
  /* ---------- Back-to-top button styling (contrast + hover) ---------- */
  .back-to-top {
    right:18px;
    bottom:18px;
    width:48px;
    height:48px;
    border-radius:10px;
    border:0;
    display:flex;
    align-items:center;
    justify-content:center;
    cursor:pointer;
    transition: transform var(--anim-time), box-shadow var(--anim-time), opacity var(--anim-time);
    background: var(--panel);
    box-shadow: var(--btn-shadow);
    color: var(--muted);  /* medium grey icon to contrast on dark background */
  }
  .back-to-top:hover, .back-to-top:focus {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 18px 40px rgba(11,12,20,0.12);
    color: var(--accent);
    outline: none;
  }
  .back-to-top.show { opacity: 1; pointer-events:auto; }
  
  /* ---------- Contact Form (redesigned for dark mode, remove anti-bot field) ---------- */
  .contact-form-wrap {
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
    border-radius: 14px;
    padding: 20px;
    box-shadow: var(--btn-shadow);
    border: 1px solid rgba(0,0,0,0.04);
    transition: background var(--anim-time), box-shadow var(--anim-time);
  }
  /* darker panel for dark theme for clearer contrast */
  :root[data-theme="dark"] .contact-form-wrap {
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
    border: 1px solid rgba(255,255,255,0.04);
    box-shadow: 0 10px 30px rgba(1,6,15,0.6);
  }
  
  /* Input visuals (visible in dark mode) */
  .contact-form-wrap input[type="text"],
  .contact-form-wrap input[type="email"],
  .contact-form-wrap textarea {
    width:100%;
    padding:12px;
    border-radius:10px;
    border:1px solid rgba(0,0,0,0.06);
    background: rgba(255,255,255,0.02);
    color: var(--text);
    transition: box-shadow var(--anim-time), border-color var(--anim-time), background var(--anim-time);
    font-size: .95rem;
  }
  
  /* placeholders high-contrast in dark mode (light grey) */
  .contact-form-wrap input::placeholder,
  .contact-form-wrap textarea::placeholder {
    color: #bfcbd8; /* light grey placeholder for good contrast in dark */
    opacity: 1;
  }
  
  /* focus state more visible */
  .contact-form-wrap input:focus,
  .contact-form-wrap textarea:focus {
    border-color: rgba(181,133,43,0.18);
    box-shadow: 0 8px 26px rgba(181,133,43,0.06);
    outline: none;
  }
  
  /* remove underline for inline links inside contact area */
  .contact-form-wrap a { text-decoration: none; color: var(--accent); }
  
  /* ---------- Accessibility: focus ring for keyboard users ---------- */
  a:focus, button:focus, input:focus, textarea:focus {
    outline: none;
    box-shadow: 0 0 0 var(--focus-ring) rgba(214,166,91,0.08);
    border-radius: 12px;
  }
  
  /* ---------- Animation timing consistency ---------- */
  * { transition-duration: var(--anim-time); transition-timing-function: cubic-bezier(.2,.9,.3,1); }

  .service-icon {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: #9d6001; /* soft gold tint */
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
  }
  
  .service-icon img {
    width: 28px;
    height: 28px;
    object-fit: contain;
    filter: brightness(0) saturate(100%) contrast(1); /* keeps icon clean */
  }
  .subservices {
    list-style: none;
    padding: 0;
    margin-top: 12px;
  }
  
  .subservices li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 6px;
  }
  
  .subservices li::before {
    content: "•";
    position: absolute;
    left: 0;
    top: 0;
    font-size: 1.1rem;
    color: #9d6001; /* gold */
    font-weight: bold;
  }
  

  /* ---------------------------
   Mobile: hero CTA stacking
   --------------------------- */
@media (max-width:900px) {
  /* Make the hero CTAs stack with equal width and spacing */
  .hero-cta {
    display: flex;
    flex-direction: column;
    gap: 12px;               /* same spacing as your About actions */
    align-items: stretch;
    margin-top: 10px;
  }

  .hero-cta .btn,
  .hero-cta .btn-outline {
    width: 100%;
    box-sizing: border-box;
    padding: 12px 16px;      /* slightly larger tap targets on mobile */
    text-align: center;
  }

  /* Ensure about-actions keeps the same stacked styling on mobile */
  .about-actions {
    display: flex;
    gap: 12px;
    flex-direction: row;
  }
  .about-actions .btn,
  .about-actions .btn-outline {
    min-width: 0;
  }
  /* stack About buttons on very narrow screens (keeps consistency) */
  @media (max-width:480px) {
    .about-actions { flex-direction: column; align-items:stretch; }
  }
}

/* -----------------------------------------------------
   Header: add breathing room for hamburger + theme toggle
   ----------------------------------------------------- */
@media (max-width:900px) {
  /* slightly larger gap between header action items on mobile */
  .header-actions {
    gap: 12px;               /* increases spacing between theme toggle & hamburger */
    align-items: center;
  }

  /* give the hamburger a tiny left margin so it doesn't hug other elements */
  .menu-toggle {
    margin-left: 4px;
    padding: 8px;
    border-radius: 8px;
  }

  /* ensure the theme toggle (sun/moon) has space to the left/right */
  .theme-toggle {
    margin-right: 6px;
  }

  /* ensure header inner has comfortable padding on small screens */
  .header-inner { padding: 8px 12px; }
}

/* -----------------------------------------------------
   Contact: style social icons (GitHub / LinkedIn / WhatsApp)
   ----------------------------------------------------- */
.contact-details .social-icons {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.contact-details .social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  background: transparent;
  border: 1px solid rgba(0,0,0,0.04);
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
  transition: background var(--anim-time), color var(--anim-time), transform var(--anim-time);
}

/* If you have <img> inside link (icon + label), scale the icon */
.contact-details .social-icons a img,
.contact-details .social-icons a svg {
  width: 18px;
  height: 18px;
  display: inline-block;
}

/* compact icon-only variant: if you prefer only icons (no label),
   add a class "icon-only" to the <a> and it will center nicely */
.contact-details .social-icons a.icon-only {
  width: 44px;
  height: 44px;
  padding: 0;
  justify-content: center;
}

/* hover states */
.contact-details .social-icons a:hover,
.contact-details .social-icons a:focus {
  background: var(--accent-weak);
  border-color: rgba(181,133,43,0.14);
  color: var(--text);
  transform: translateY(-3px);
}

/* Accessibility: ensure focus outline is visible for keyboard users */
.contact-details .social-icons a:focus {
  box-shadow: 0 0 0 var(--focus-ring) rgba(214,166,91,0.12);
  outline: none;
}


/* ---------------------------
   Social icon size presets
   --------------------------- */

/* Base layout (keeps existing spacing) */
.contact-details .social-icons {
  display: flex;
  gap: 10px;
  margin-top: 10px;
  align-items: center;
}

/* Image / svg sizing rule (applies for text+icon and icon-only) */
.contact-details .social-icons a img,
.contact-details .social-icons a svg {
  width: 18px;
  height: 18px;
  display: inline-block;
  vertical-align: middle;
}

/* ---------------------------
   Preset sizes — choose one
   --------------------------- */

/* SMALL preset: compact + label-friendly */
.social-icons--small a {
  padding: 6px 8px;
  border-radius: 8px;
  font-size: 0.85rem;
}
.social-icons--small a img,
.social-icons--small a svg { width: 14px; height: 14px; }

/* MEDIUM preset: recommended default (balanced) */
.social-icons--medium a {
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 0.95rem;
}
.social-icons--medium a img,
.social-icons--medium a svg { width: 18px; height: 18px; }

/* LARGE preset: prominent, friendlier tap targets */
.social-icons--large a {
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 1rem;
}
.social-icons--large a img,
.social-icons--large a svg { width: 22px; height: 22px; }

/* ---------------------------
   Icon-only circular buttons
   --------------------------- */
.contact-details .social-icons a.icon-only {
  width: 44px;              /* recommended minimum touch target */
  height: 44px;
  padding: 0;
  justify-content: center;
  border-radius: 10px;      /* or 50% for perfectly circular */
  display: inline-flex;
  align-items: center;
}

/* If you want perfectly round icon-only buttons, use .icon-round */
.contact-details .social-icons a.icon-round {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
}

/* ---------------------------
   Hover and active states
   --------------------------- */
.contact-details .social-icons a:hover,
.contact-details .social-icons a:focus {
  background: var(--accent-weak);
  border-color: rgba(181,133,43,0.14);
  color: var(--text);
  transform: translateY(-3px);
}

/* subtle press state */
.contact-details .social-icons a:active {
  transform: translateY(-1px) scale(.995);
}

/* ---------------------------
   Responsive tweaks
   --------------------------- */
@media (max-width:480px) {
  /* ensure minimum tap size on small screens */
  .contact-details .social-icons a { padding: 6px 8px; }
  .contact-details .social-icons a img,
  .contact-details .social-icons a svg { width: 16px; height: 16px; }
  .contact-details .social-icons a.icon-only,
  .contact-details .social-icons a.icon-round { width: 44px; height: 44px; }
}