/*
Theme Name: Pandu Portfolio
Theme URI: https://github.com/WPandu
Author: Pandu Warjaya
Author URI: https://www.linkedin.com/in/pandu-warjaya-0a51b7103/
Description: A modern dark-tech personal portfolio theme for Senior Full-Stack Developer Pandu Warjaya. Self-contained classic theme with a custom portfolio_project post type, tech_tag taxonomy, ACF-ready project metadata, and a one-page printable resume.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: pandu-portfolio
*/

/* ==========================================================================
   1. DESIGN TOKENS
   ========================================================================== */
:root {
  --color-primary:   #0A0F1E;  /* deep navy / near black */
  --color-accent:    #00D4FF;  /* electric cyan */
  --color-accent-2:  #7B61FF;  /* violet */
  --color-bg:        #0D1117;  /* GitHub dark tone */
  --color-surface:   #161B22;  /* card surface */
  --color-surface-2: #1C2230;  /* raised surface */
  --color-border:    #2A323D;
  --color-text:      #E6EDF3;  /* off-white */
  --color-muted:     #8B98A9;
  --color-muted-2:   #5C6B7A;

  --font-display: "Space Grotesk", system-ui, -apple-system, sans-serif;
  --font-body:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --maxw: 1200px;
  --radius: 14px;
  --radius-sm: 9px;
  --gap: clamp(1rem, 3vw, 2rem);

  --shadow-soft: 0 10px 40px -12px rgba(0, 0, 0, 0.65);
  --glow-accent: 0 0 0 1px rgba(0, 212, 255, 0.4), 0 0 24px -4px rgba(0, 212, 255, 0.45);
  --glow-violet: 0 0 0 1px rgba(123, 97, 255, 0.4), 0 0 24px -4px rgba(123, 97, 255, 0.45);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ==========================================================================
   2. RESET & BASE
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  background-image:
    radial-gradient(900px 500px at 80% -10%, rgba(123, 97, 255, 0.10), transparent 60%),
    radial-gradient(800px 500px at -10% 10%, rgba(0, 212, 255, 0.08), transparent 55%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color 0.2s var(--ease); }
a:hover { color: #6fe6ff; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
p { margin: 0 0 1rem; }

.container { max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2rem); }
.section { padding-block: clamp(3.5rem, 9vw, 7rem); position: relative; }
.section--tight { padding-block: clamp(2.5rem, 6vw, 4rem); }
.eyebrow {
  font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--color-accent); margin-bottom: 0.75rem; display: block;
}
.lead { font-size: 1.15rem; color: var(--color-muted); max-width: 60ch; }
.text-gradient {
  background: linear-gradient(100deg, var(--color-accent), var(--color-accent-2));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   3. BUTTONS & BADGES
   ========================================================================== */
.btn {
  --btn-bg: var(--color-accent);
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-display); font-weight: 600; font-size: 0.98rem;
  padding: 0.85rem 1.5rem; border-radius: 100px; border: 1px solid transparent;
  cursor: pointer; transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
}
.btn--primary { background: var(--btn-bg); color: #04121a; }
.btn--primary:hover { transform: translateY(-2px); box-shadow: var(--glow-accent); color: #04121a; }
.btn--ghost { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.btn--ghost:hover { border-color: var(--color-accent); color: var(--color-accent); transform: translateY(-2px); }
.btn--violet { background: var(--color-accent-2); color: #fff; }
.btn--violet:hover { transform: translateY(-2px); box-shadow: var(--glow-violet); color: #fff; }

.pill {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.02em;
  padding: 0.3rem 0.7rem; border-radius: 100px;
  background: rgba(0, 212, 255, 0.07); border: 1px solid var(--color-border);
  color: var(--color-muted); transition: all 0.2s var(--ease); white-space: nowrap;
}
.pill:hover { border-color: var(--color-accent); color: var(--color-accent); box-shadow: var(--glow-accent); }
.pill-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* ==========================================================================
   4. HEADER / NAV
   ========================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(13, 17, 23, 0.72);
  border-bottom: 1px solid transparent; transition: border-color 0.3s var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--color-border); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--color-text); letter-spacing: -0.02em; }
.brand b { color: var(--color-accent); }
.nav-menu { display: flex; gap: 1.6rem; list-style: none; margin: 0; padding: 0; align-items: center; }
.nav-menu a { color: var(--color-muted); font-size: 0.95rem; font-weight: 500; position: relative; }
.nav-menu a:hover, .nav-menu .current-menu-item > a { color: var(--color-text); }
.nav-menu a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--color-accent); transition: width 0.25s var(--ease);
}
.nav-menu a:hover::after { width: 100%; }
.nav-toggle { display: none; background: none; border: 0; color: var(--color-text); cursor: pointer; padding: 8px; }
.nav-toggle svg { width: 26px; height: 26px; }

/* ==========================================================================
   5. HERO
   ========================================================================== */
.hero { position: relative; min-height: min(92vh, 820px); display: flex; align-items: center; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(42, 50, 61, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 50, 61, 0.18) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 35%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 35%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; max-width: 880px; }
.hero .status {
  display: inline-flex; align-items: center; gap: 0.5rem; margin-bottom: 1.6rem;
  font-family: var(--font-mono); font-size: 0.82rem; color: var(--color-muted);
  border: 1px solid var(--color-border); border-radius: 100px; padding: 0.4rem 0.9rem;
  background: rgba(22, 27, 34, 0.6);
}
.status .dot { width: 8px; height: 8px; border-radius: 50%; background: #2ec27e; box-shadow: 0 0 0 3px rgba(46, 194, 126, 0.2); animation: pulse 2.4s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.45; } }
.hero h1 span { display: block; }
.hero .role { font-family: var(--font-mono); color: var(--color-accent); font-size: clamp(0.95rem, 2.2vw, 1.25rem); margin-top: 1rem; letter-spacing: 0.01em; }
.hero .tagline { font-size: clamp(1.05rem, 2.4vw, 1.4rem); color: var(--color-muted); margin: 1.4rem 0 2.2rem; max-width: 56ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.9rem; }

/* ==========================================================================
   6. CARDS / GRIDS
   ========================================================================== */
.grid { display: grid; gap: var(--gap); }
.grid--3 { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); }

.card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 1.6rem; position: relative; overflow: hidden;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(0, 212, 255, 0.10), transparent 45%);
  opacity: 0; transition: opacity 0.3s var(--ease);
}
.card:hover { transform: translateY(-5px); border-color: rgba(0, 212, 255, 0.45); box-shadow: var(--shadow-soft); }
.card:hover::after { opacity: 1; }

.skill-card { text-align: center; padding: 1.6rem 1rem; }
.skill-card .ico { width: 44px; height: 44px; margin: 0 auto 0.9rem; color: var(--color-accent); }
.skill-card .ico svg { width: 100%; height: 100%; }
.skill-card h4 { margin: 0; font-size: 1rem; }
.skill-card small { color: var(--color-muted); font-family: var(--font-mono); font-size: 0.75rem; }

/* Project card */
.project-card { display: flex; flex-direction: column; }
.project-card .meta { font-family: var(--font-mono); font-size: 0.76rem; color: var(--color-accent); margin-bottom: 0.6rem; letter-spacing: 0.03em; }
.project-card h3 { margin-bottom: 0.55rem; font-size: 1.3rem; }
.project-card h3 a { color: var(--color-text); }
.project-card h3 a:hover { color: var(--color-accent); }
.project-card .client { color: var(--color-muted-2); font-size: 0.85rem; font-family: var(--font-mono); margin-bottom: 0.8rem; }
.project-card .excerpt { color: var(--color-muted); font-size: 0.96rem; flex: 1; }
.project-card .pill-row { margin-top: 1.1rem; }

/* ==========================================================================
   7. TIMELINE (work experience)
   ========================================================================== */
.timeline { position: relative; margin-left: 8px; padding-left: 2rem; border-left: 2px solid var(--color-border); }
.timeline-item { position: relative; padding-bottom: 2.2rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: calc(-2rem - 7px); top: 4px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--color-bg); border: 2px solid var(--color-accent); box-shadow: var(--glow-accent);
}
.timeline-item .period { font-family: var(--font-mono); font-size: 0.78rem; color: var(--color-accent); letter-spacing: 0.04em; }
.timeline-item h4 { margin: 0.3rem 0 0.2rem; font-size: 1.15rem; }
.timeline-item .company { color: var(--color-muted); font-size: 0.95rem; }

/* ==========================================================================
   8. SKILL BARS
   ========================================================================== */
.skillgroup { margin-bottom: 2.4rem; }
.skillgroup h3 { font-family: var(--font-mono); font-size: 0.9rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-accent-2); }
.bar { margin-bottom: 1rem; }
.bar .bar-head { display: flex; justify-content: space-between; font-size: 0.9rem; margin-bottom: 0.4rem; }
.bar .bar-head span:last-child { font-family: var(--font-mono); color: var(--color-muted); }
.bar .track { height: 8px; border-radius: 100px; background: var(--color-surface-2); overflow: hidden; }
.bar .fill { height: 100%; width: 0; border-radius: 100px; background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2)); transition: width 1.1s var(--ease); }

/* ==========================================================================
   9. TESTIMONIALS / CTA / CONTACT
   ========================================================================== */
.quote-card { border-left: 3px solid var(--color-accent); }
.quote-card p { font-size: 1.05rem; font-style: italic; color: var(--color-text); }
.quote-card .who { font-family: var(--font-mono); font-size: 0.8rem; color: var(--color-muted); font-style: normal; }
.stars { color: var(--color-accent); letter-spacing: 0.18em; font-size: 0.95rem; margin-bottom: 0.8rem; }

.cta-banner {
  text-align: center; border-radius: var(--radius); padding: clamp(2.5rem, 6vw, 4.5rem) 1.5rem;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.10), rgba(123, 97, 255, 0.12));
  border: 1px solid var(--color-border); position: relative; overflow: hidden;
}
.cta-banner h2 { margin-bottom: 0.6rem; }

.info-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.9rem; }
.info-list li { display: flex; gap: 0.8rem; align-items: flex-start; }
.info-list .k { font-family: var(--font-mono); font-size: 0.78rem; color: var(--color-muted-2); min-width: 90px; text-transform: uppercase; letter-spacing: 0.08em; padding-top: 2px; }
.info-list .v { color: var(--color-text); }

/* Contact form (CF7) */
.wpcf7 input[type="text"], .wpcf7 input[type="email"], .wpcf7 input[type="url"], .wpcf7 textarea, .pf-input {
  width: 100%; background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); color: var(--color-text); font-family: var(--font-body);
  font-size: 1rem; padding: 0.85rem 1rem; margin-bottom: 1rem; transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.wpcf7 input:focus, .wpcf7 textarea:focus, .pf-input:focus { outline: none; border-color: var(--color-accent); box-shadow: var(--glow-accent); }
.wpcf7 .wpcf7-submit, .pf-submit {
  background: var(--color-accent); color: #04121a; border: 0; border-radius: 100px;
  font-family: var(--font-display); font-weight: 600; padding: 0.85rem 1.8rem; cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.wpcf7 .wpcf7-submit:hover, .pf-submit:hover { transform: translateY(-2px); box-shadow: var(--glow-accent); }
.wpcf7 label { display: block; font-size: 0.85rem; color: var(--color-muted); margin-bottom: 0.35rem; }

/* ==========================================================================
   10. PORTFOLIO FILTER
   ========================================================================== */
.filter-bar { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2.2rem; }
.filter-btn {
  font-family: var(--font-mono); font-size: 0.8rem; padding: 0.45rem 0.95rem; border-radius: 100px;
  background: transparent; border: 1px solid var(--color-border); color: var(--color-muted); cursor: pointer;
  transition: all 0.2s var(--ease);
}
.filter-btn:hover { color: var(--color-text); border-color: var(--color-muted); }
.filter-btn.is-active { background: var(--color-accent); color: #04121a; border-color: var(--color-accent); }
.project-card.is-hidden { display: none; }

/* ==========================================================================
   11. AVATAR / ABOUT
   ========================================================================== */
.avatar {
  width: 100%; max-width: 320px; aspect-ratio: 1; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--color-surface-2), var(--color-surface));
  border: 1px solid var(--color-border); display: grid; place-items: center; box-shadow: var(--shadow-soft);
}
.avatar svg { width: 55%; height: 55%; color: var(--color-muted-2); }
.about-grid { display: grid; grid-template-columns: 320px 1fr; gap: clamp(1.5rem, 5vw, 3.5rem); align-items: start; }

/* ==========================================================================
   12. FOOTER
   ========================================================================== */
.site-footer { border-top: 1px solid var(--color-border); padding-block: 2.5rem; margin-top: 2rem; background: rgba(10, 15, 30, 0.5); }
.site-footer .container { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; }
.site-footer .socials { display: flex; gap: 1rem; }
.site-footer .socials a { color: var(--color-muted); }
.site-footer .socials a:hover { color: var(--color-accent); }
.site-footer .socials svg { width: 22px; height: 22px; }
.site-footer small { color: var(--color-muted-2); font-family: var(--font-mono); font-size: 0.78rem; }

/* ==========================================================================
   13. SCROLL REVEAL
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ==========================================================================
   14. SINGLE PROJECT
   ========================================================================== */
.project-hero { padding-block: clamp(3rem, 8vw, 5rem) 2rem; }
.project-hero .meta { font-family: var(--font-mono); color: var(--color-accent); font-size: 0.85rem; margin-bottom: 0.8rem; }
.project-body { font-size: 1.08rem; color: var(--color-text); max-width: 70ch; }
.project-body p { color: var(--color-muted); }
.back-link { font-family: var(--font-mono); font-size: 0.85rem; color: var(--color-muted); }
.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin: 2rem 0; }
.detail-grid .card { padding: 1.2rem; }
.detail-grid .label { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-muted-2); margin-bottom: 0.4rem; }

/* ==========================================================================
   15. RESPONSIVE
   ========================================================================== */
@media (max-width: 860px) {
  .nav-menu {
    position: fixed; inset: 70px 0 auto 0; flex-direction: column; gap: 0; align-items: stretch;
    background: rgba(13, 17, 23, 0.97); backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border); padding: 1rem 0;
    transform: translateY(-120%); transition: transform 0.3s var(--ease); height: auto;
  }
  .nav-menu.is-open { transform: none; }
  .nav-menu li { padding: 0.4rem clamp(1.1rem, 4vw, 2rem); }
  .nav-menu a::after { display: none; }
  .nav-toggle { display: inline-flex; }
  .about-grid { grid-template-columns: 1fr; }
  .avatar { max-width: 240px; }
}

/* ==========================================================================
   16. PRINT (resume)
   ========================================================================== */
@media print {
  .site-header, .site-footer, .no-print, .nav-toggle { display: none !important; }
  body { background: #fff; color: #111; }
  body, .resume-sheet { background-image: none !important; }
  a { color: #111; }
  .resume-sheet { max-width: 800px; margin: 0 auto; padding: 0; }
  .card, .resume-sheet * { box-shadow: none !important; }
  .pill { color: #333; border-color: #999; background: #fff; }
  .timeline { border-color: #999; }
  .timeline-item::before { background: #fff; border-color: #333; box-shadow: none; }
  .text-gradient { -webkit-text-fill-color: #111; color: #111; }
}