/* ==========================================================================
   Portfolio — public site. Light, calm, professional.
   --accent is injected from Admin > Theme & display.
   ========================================================================== */

:root {
  --accent: #1d4ed8;
  --accent-2: #0f172a;
  --accent-ink: #ffffff;

  --bg: #ffffff;
  --bg-alt: #f7f8fa;
  --surface: #ffffff;
  --border: #e5e7eb;
  --border-strong: #d1d5db;
  --text: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;
  --accent-soft: color-mix(in srgb, var(--accent) 8%, #ffffff);
  --accent-line: color-mix(in srgb, var(--accent) 30%, #ffffff);
  --accent-text: var(--accent);
  --success: #15803d;
  --success-soft: #ecfdf3;
  --danger: #b91c1c;
  --whatsapp: #1fa855;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 12px 32px -16px rgba(15, 23, 42, 0.18);

  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Plus Jakarta Sans", "Inter", ui-sans-serif, system-ui, sans-serif;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --container: 1160px;
  --gutter: clamp(18px, 4vw, 32px);
  --header-h: 72px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);

  color-scheme: light;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: hidden; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-sans); font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
button { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; letter-spacing: -0.02em; font-weight: 700; font-family: var(--font-display); color: var(--text); }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
code { font-size: 0.9em; background: var(--bg-alt); padding: 0.1em 0.4em; border-radius: 6px; }
::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.muted { color: var(--text-muted); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--accent); color: #fff; padding: 10px 16px; border-radius: var(--radius-sm); font-weight: 600; }
.skip-link:focus { top: 12px; }

.prose p { color: var(--text-muted); }
.prose ul { padding-left: 1.1em; color: var(--text-muted); }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.prose strong { color: var(--text); }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 48px; padding: 0 22px; border-radius: 12px; font-size: 0.95rem; font-weight: 600; white-space: nowrap; border: 1px solid transparent; cursor: pointer; transition: background-color 0.2s, border-color 0.2s, color 0.2s, box-shadow 0.2s, transform 0.2s var(--ease); }
.btn:hover { transform: translateY(-1px); }
.btn i { font-size: 1.05em; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 8px 20px -10px var(--accent); }
.btn-primary:hover { color: #fff; background: color-mix(in srgb, var(--accent) 88%, #000); }
.btn-secondary { background: #fff; border-color: var(--border-strong); color: var(--text); }
.btn-secondary:hover { border-color: var(--text); color: var(--text); }
.btn-ghost { color: var(--text-muted); padding: 0 12px; }
.btn-ghost:hover { color: var(--text); }
.btn-whatsapp { background: #fff; border-color: color-mix(in srgb, var(--whatsapp) 45%, #fff); color: #157a3e; }
.btn-whatsapp:hover { background: var(--whatsapp); border-color: var(--whatsapp); color: #fff; }
.btn-sm { height: 40px; padding: 0 16px; font-size: 0.88rem; border-radius: 10px; }

.icon-btn { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--border); background: #fff; cursor: pointer; color: var(--text-muted); transition: color 0.2s, border-color 0.2s; }
.icon-btn:hover { color: var(--accent); border-color: var(--accent-line); }

/* ---------- Header ---------- */
.site-header { position: fixed; inset: 0 0 auto; z-index: 50; height: var(--header-h); display: flex; align-items: center; background: rgba(255, 255, 255, 0.86); backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid transparent; transition: border-color 0.2s, box-shadow 0.2s; }
.site-header.is-scrolled { border-bottom-color: var(--border); box-shadow: var(--shadow-sm); }
.site-header > .container { width: 100%; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 700; font-family: var(--font-display); color: var(--text); }
.brand:hover { color: var(--text); }
.brand-mark { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; font-size: 0.82rem; font-weight: 700; color: #fff; background: var(--accent-2); letter-spacing: 0.02em; }
.brand-name { font-size: 1.02rem; }
.brand-name small { display: block; font-family: var(--font-sans); font-size: 0.72rem; font-weight: 500; color: var(--text-dim); letter-spacing: 0; }
.site-nav ul { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.site-nav a { display: block; padding: 8px 12px; border-radius: 8px; font-size: 0.92rem; font-weight: 500; color: var(--text-muted); transition: color 0.2s, background-color 0.2s; }
.site-nav a:hover { color: var(--text); background: var(--bg-alt); }
.site-nav a.is-active { color: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 8px; }
.menu-toggle { display: none; }
.site-nav .nav-resume { display: none; }

@media (max-width: 1024px) {
  .menu-toggle { display: inline-grid; }
  .header-resume { display: none; }
  .site-nav { position: fixed; left: 0; right: 0; top: var(--header-h); padding: 10px var(--gutter) 18px; background: #fff; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); transform: translateY(-6px); opacity: 0; visibility: hidden; transition: all 0.2s var(--ease); }
  .site-nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .site-nav ul { flex-direction: column; align-items: stretch; }
  .site-nav a { padding: 12px; font-size: 1rem; }
  .site-nav .nav-resume { display: block; }
}

.preview-banner { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); z-index: 60; display: flex; align-items: center; gap: 12px; padding: 8px 8px 8px 16px; background: #fff; border: 1px solid var(--accent-line); border-radius: 999px; font-size: 0.85rem; box-shadow: var(--shadow); max-width: calc(100% - 32px); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: calc(var(--header-h) + clamp(32px, 6vw, 72px)) 0 clamp(56px, 8vw, 96px); background: linear-gradient(180deg, #ffffff 0%, var(--bg-alt) 100%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: clamp(32px, 6vw, 80px); align-items: center; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 20px; font-size: 0.9rem; font-weight: 600; color: var(--accent); }
.hero-eyebrow::before { content: ""; width: 28px; height: 2px; border-radius: 2px; background: var(--accent); }
.hero-name { font-size: clamp(2.6rem, 6vw, 4.4rem); letter-spacing: -0.035em; line-height: 1.05; }
.hero-role { margin: 16px 0 0; font-family: var(--font-display); font-size: clamp(1.1rem, 2vw, 1.35rem); font-weight: 600; color: var(--text-muted); }
.hero-role span + span::before { content: "·"; margin: 0 10px; color: var(--text-dim); }
.hero-tagline { max-width: 580px; margin: 22px 0 32px; font-size: 1.1rem; color: var(--text-muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero-meta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 24px; margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--border); }
.social-row { display: flex; gap: 8px; flex-wrap: wrap; list-style: none; padding: 0; margin: 0; }

.portrait { position: relative; justify-self: end; width: 100%; max-width: 460px; }
.portrait-frame { position: relative; border-radius: var(--radius-lg); overflow: hidden; background: linear-gradient(180deg, #f4f5f7, #e9ebef); border: 1px solid var(--border); box-shadow: var(--shadow); }
.portrait-frame img { width: 100%; height: auto; aspect-ratio: 1326 / 2107; max-height: min(78vh, 720px); object-fit: cover; object-position: center top; }
.portrait-card { position: absolute; left: -28px; bottom: 32px; display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-radius: 14px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); max-width: calc(100% - 20px); }
.portrait-card .icon-tile { width: 40px; height: 40px; font-size: 1.1rem; }
.portrait-card small { display: block; font-size: 0.74rem; color: var(--text-dim); font-weight: 500; }
.portrait-card strong { display: block; font-size: 0.92rem; font-family: var(--font-display); line-height: 1.3; }

/* ---------- Sections ---------- */
.section { padding: clamp(72px, 10vw, 112px) 0; }
#main > .section:nth-of-type(odd) { background: var(--bg-alt); }
.section-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 16px 32px; margin-bottom: clamp(32px, 5vw, 52px); }
.eyebrow { display: inline-block; margin-bottom: 12px; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.section-title { font-size: clamp(1.9rem, 4vw, 2.6rem); letter-spacing: -0.03em; max-width: 760px; }
.section-title em { font-style: normal; color: var(--accent); }
.section-lead { max-width: 520px; color: var(--text-muted); margin: 12px 0 0; }

.card { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); transition: border-color 0.2s, box-shadow 0.25s, transform 0.25s var(--ease); }
.card-hover:hover { border-color: var(--border-strong); box-shadow: var(--shadow); transform: translateY(-2px); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0; padding: 0; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 11px; border-radius: 999px; font-size: 0.82rem; font-weight: 500; color: var(--text-muted); background: #fff; border: 1px solid var(--border); }
.chip i { color: var(--accent); }
.chip-mono { font-size: 0.78rem; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: 0.74rem; font-weight: 600; color: var(--accent); background: var(--accent-soft); }
.badge-neutral { color: var(--text-muted); background: var(--bg-alt); border: 1px solid var(--border); }
.badge-success { color: var(--success); background: var(--success-soft); }
.badge-success::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.icon-tile { display: grid; place-items: center; width: 46px; height: 46px; flex: none; border-radius: 12px; font-size: 1.25rem; color: var(--accent); background: var(--accent-soft); }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 72px); align-items: start; }
.about-lead { font-size: 1.15rem; line-height: 1.75; }
.about-lead p { color: var(--text); }
.about-copy .prose + .prose { margin-top: 16px; }
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.stat { padding: 22px 22px 20px; }
.stat strong { display: block; font-family: var(--font-display); font-size: clamp(1.9rem, 3vw, 2.3rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; color: var(--text); }
.stat span { color: var(--text-muted); font-size: 0.9rem; }
.focus-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: clamp(40px, 6vw, 60px); }
.focus-card { padding: 24px; }
.focus-card .idx { display: none; }
.focus-card h3 { font-size: 1.08rem; margin: 16px 0 6px; }
.focus-card p { color: var(--text-muted); font-size: 0.94rem; }

/* ---------- Experience ---------- */
.timeline { position: relative; list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.timeline::before { content: ""; position: absolute; left: 9px; top: 12px; bottom: 12px; width: 2px; background: var(--border); }
.timeline-item { position: relative; padding-left: 40px; }
.timeline-dot { position: absolute; left: 2px; top: 28px; width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 3px solid var(--border-strong); }
.timeline-item:first-child .timeline-dot { border-color: var(--accent); background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.timeline-card { padding: 24px 26px; }
.timeline-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 16px; align-items: baseline; }
.timeline-card h3 { font-size: 1.2rem; }
.timeline-company { color: var(--accent); font-weight: 600; }
.timeline-period { font-size: 0.86rem; font-weight: 600; color: var(--text-muted); white-space: nowrap; }
.timeline-sub { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 6px; font-size: 0.92rem; color: var(--text-muted); }
.timeline-card .prose, .timeline-card .bullets { margin-top: 14px; font-size: 0.96rem; }
.bullets { padding-left: 1.15em; margin: 0; color: var(--text-muted); display: grid; gap: 6px; }
.bullets li::marker { color: var(--accent); }
.timeline-card .chips { margin-top: 16px; }

/* ---------- Projects ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 6px; }
.filter-btn { height: 36px; padding: 0 15px; border-radius: 999px; border: 1px solid var(--border); background: #fff; color: var(--text-muted); cursor: pointer; font-size: 0.86rem; font-weight: 500; }
.filter-btn:hover { color: var(--text); border-color: var(--border-strong); }
.filter-btn[aria-pressed="true"] { color: #fff; background: var(--text); border-color: var(--text); }
.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 20px; }
.project-card { display: flex; flex-direction: column; overflow: hidden; }
.project-card[hidden] { display: none; }
.project-media { position: relative; display: block; aspect-ratio: 16 / 9; background: var(--bg-alt); overflow: hidden; border-bottom: 1px solid var(--border); }
.project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.project-card:hover .project-media img { transform: scale(1.03); }
.project-body { display: flex; flex-direction: column; gap: 12px; padding: 24px; flex: 1; }
.project-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 0.84rem; color: var(--text-dim); }
.project-org { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; font-weight: 600; color: var(--text-muted); }
.project-org i { color: var(--accent); }
.project-card h3 { font-size: 1.25rem; }
.project-card h3 a:hover { color: var(--accent); }
.project-card p { color: var(--text-muted); font-size: 0.96rem; margin: 0; }
.project-role { font-size: 0.86rem; color: var(--text-dim); }
.project-links { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 6px; }
.link-pill { display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 13px; border-radius: 9px; border: 1px solid var(--border); font-size: 0.86rem; font-weight: 500; color: var(--text-muted); transition: all 0.2s; }
.link-pill:hover { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }
.draft-flag { position: absolute; top: 12px; left: 12px; z-index: 1; }

/* ---------- Skills ---------- */
.skill-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 18px; }
.skill-card { padding: 24px; }
.skill-card-head { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.skill-card h3 { font-size: 1.12rem; }
.skill-card-head small { display: block; font-size: 0.78rem; color: var(--text-dim); font-weight: 500; }
.skill-card > p { color: var(--text-muted); font-size: 0.93rem; margin-bottom: 16px; }
.skill-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.skill-item { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 9px; font-size: 0.88rem; font-weight: 500; background: var(--bg-alt); border: 1px solid var(--border); color: var(--text); }
.skill-name { display: inline-flex; align-items: center; gap: 8px; }
.skill-name i { display: none; }
.level { display: inline-flex; align-items: center; gap: 6px; font-size: 0.7rem; color: var(--text-dim); }
.level-dots { display: inline-flex; gap: 2px; }
.level-dots span { width: 5px; height: 5px; border-radius: 2px; background: var(--border-strong); }
.level-dots span.on { background: var(--accent); }

/* ---------- Education ---------- */
.edu-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 18px; }
.edu-card { padding: 24px; display: flex; flex-direction: column; gap: 6px; }
.edu-card .period { font-size: 0.84rem; font-weight: 600; color: var(--accent); }
.edu-card h3 { font-size: 1.1rem; }
.edu-card .institution { color: var(--text-muted); display: inline-flex; gap: 8px; align-items: center; }
.edu-card .score { margin-top: auto; padding-top: 12px; }

/* ---------- Services ---------- */
.service-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px; }
.service-card { padding: 26px 24px; }
.service-card h3 { font-size: 1.1rem; margin: 18px 0 8px; }
.service-card p { color: var(--text-muted); font-size: 0.94rem; }
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.check-list li { display: flex; gap: 10px; color: var(--text-muted); }
.check-list i { color: var(--accent); margin-top: 2px; }
.service-card .check-list { margin-top: 14px; font-size: 0.9rem; }

/* ---------- Achievements ---------- */
.award-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px; }
.award-card { display: flex; flex-direction: column; overflow: hidden; }
.award-media { display: block; width: 100%; padding: 0; border: 0; cursor: zoom-in; background: var(--bg-alt); aspect-ratio: 4 / 3; overflow: hidden; border-bottom: 1px solid var(--border); }
.award-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.award-card:hover .award-media img { transform: scale(1.04); }
.award-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.award-body h3 { font-size: 1.02rem; }
.award-body .issuer { color: var(--text-muted); font-size: 0.88rem; }
.award-body p { color: var(--text-muted); font-size: 0.9rem; }
.award-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: auto; padding-top: 10px; font-size: 0.8rem; color: var(--text-dim); }
.award-foot a { color: var(--accent); display: inline-flex; gap: 4px; align-items: center; }
.lightbox { border: 0; padding: 0; background: transparent; max-width: min(1000px, 94vw); max-height: 90vh; }
.lightbox::backdrop { background: rgba(15, 23, 42, 0.8); }
.lightbox img { max-width: 100%; max-height: 82vh; border-radius: var(--radius); margin: 0 auto; }
.lightbox-close { position: fixed; top: 16px; right: 16px; }
.lightbox figcaption { text-align: center; color: #fff; margin-top: 12px; font-size: 0.92rem; }

/* ---------- GitHub ---------- */
.gh-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 20px; }
.gh-stat { padding: 18px 20px; }
.gh-stat strong { display: block; font-size: 1.7rem; font-family: var(--font-display); }
.gh-stat span { color: var(--text-muted); font-size: 0.86rem; }
.gh-repos { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.gh-repo { padding: 20px; display: flex; flex-direction: column; gap: 8px; }
.gh-repo h3 { font-size: 1rem; display: flex; align-items: center; gap: 8px; }
.gh-repo p { color: var(--text-muted); font-size: 0.9rem; margin: 0; flex: 1; }
.gh-repo-meta { display: flex; gap: 14px; font-size: 0.8rem; color: var(--text-dim); }
.gh-langs { margin-bottom: 20px; }
.gh-fallback { padding: 28px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.skeleton { min-height: 110px; background: var(--bg-alt); }

/* ---------- Testimonials ---------- */
.quote-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.quote-card { padding: 28px; display: flex; flex-direction: column; gap: 18px; margin: 0; }
.quote-card blockquote { margin: 0; font-size: 1rem; color: var(--text); line-height: 1.75; }
.quote-card blockquote::before { content: "\201C"; display: block; font-size: 2.6rem; line-height: 1; height: 24px; font-family: Georgia, serif; color: var(--accent); }
.stars { color: #f59e0b; font-size: 0.85rem; letter-spacing: 2px; }
.quote-author { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; background: var(--accent-soft); display: grid; place-items: center; font-weight: 700; color: var(--accent); flex: none; }
.quote-author strong { display: block; font-size: 0.95rem; }
.quote-author span { color: var(--text-muted); font-size: 0.86rem; }

/* ---------- Contact CTA (home) ---------- */
.cta-panel { padding: clamp(36px, 6vw, 64px); border-radius: var(--radius-lg); text-align: center; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.cta-panel h2 { font-size: clamp(1.9rem, 4.4vw, 2.8rem); letter-spacing: -0.03em; max-width: 760px; margin: 0 auto 14px; }
.cta-panel > p { color: var(--text-muted); max-width: 580px; margin: 0 auto 28px; font-size: 1.05rem; }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.cta-meta { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 26px; margin-top: 28px; font-size: 0.9rem; color: var(--text-muted); }
.cta-meta a, .cta-meta span { display: inline-flex; align-items: center; gap: 8px; }
.cta-meta i { color: var(--accent); }

/* ---------- Contact page ---------- */
.page-hero { padding: calc(var(--header-h) + clamp(40px, 7vw, 80px)) 0 32px; background: linear-gradient(180deg, #fff, var(--bg-alt)); }
.page-hero h1 { font-size: clamp(2.4rem, 5.5vw, 3.6rem); letter-spacing: -0.035em; margin: 4px 0 14px; }
.page-hero p { max-width: 620px; color: var(--text-muted); font-size: 1.1rem; }
.contact-wrap { background: var(--bg-alt); padding: 8px 0 clamp(72px, 10vw, 112px); }
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: clamp(24px, 4vw, 44px); align-items: start; }
.channel-list { list-style: none; margin: 0 0 20px; padding: 0; display: grid; gap: 12px; }
.channel { display: flex; align-items: center; gap: 14px; padding: 16px 18px; }
.channel small { display: block; font-size: 0.76rem; font-weight: 600; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; }
.channel span { min-width: 0; overflow-wrap: anywhere; font-weight: 600; font-size: 0.95rem; }
.channel .go { margin-left: auto; color: var(--text-dim); transition: transform 0.2s, color 0.2s; }
.channel:hover .go { color: var(--accent); transform: translateX(3px); }
.channel.whatsapp .icon-tile { color: var(--whatsapp); background: #eafaf0; }
.response-note { display: flex; gap: 8px; align-items: center; color: var(--text-muted); font-size: 0.9rem; margin-top: 18px; }
.contact-form { padding: clamp(22px, 4vw, 34px); }
.contact-form h2 { font-size: 1.35rem; margin-bottom: 4px; }
.contact-form > p { color: var(--text-muted); margin-bottom: 22px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: 0.88rem; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.field label .opt { color: var(--text-dim); font-weight: 400; }
.input { width: 100%; min-height: 48px; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border-strong); background: #fff; color: var(--text); font: inherit; font-size: 0.96rem; transition: border-color 0.2s, box-shadow 0.2s; }
.input::placeholder { color: var(--text-dim); }
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
textarea.input { resize: vertical; min-height: 150px; }
.field-error { display: block; margin-top: 5px; font-size: 0.82rem; color: var(--danger); }
.input[aria-invalid="true"] { border-color: var(--danger); }
.hp-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 22px; }
.form-status { font-size: 0.92rem; display: flex; gap: 8px; align-items: flex-start; margin: 0; }
.form-status:empty { display: none; }
.form-status.is-success { color: var(--success); }
.form-status.is-error { color: var(--danger); }
.form-status a { text-decoration: underline; }
.btn[aria-busy="true"] { opacity: 0.7; pointer-events: none; }

/* ---------- Floating WhatsApp ---------- */
.wa-float { position: fixed; right: 20px; bottom: 20px; z-index: 45; display: grid; place-items: center; width: 54px; height: 54px; border-radius: 50%; background: var(--whatsapp); color: #fff; font-size: 1.5rem; box-shadow: 0 10px 24px -8px rgba(31, 168, 85, 0.6); transition: transform 0.2s var(--ease); }
.wa-float:hover { color: #fff; transform: translateY(-2px); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 48px 0 32px; background: #fff; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 28px; margin-bottom: 32px; }
.footer-brand p { color: var(--text-muted); margin: 12px 0 0; max-width: 380px; font-size: 0.92rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 4px 22px; list-style: none; margin: 0; padding: 0; font-size: 0.92rem; }
.footer-nav a { color: var(--text-muted); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; padding-top: 22px; border-top: 1px solid var(--border); font-size: 0.86rem; color: var(--text-dim); }
.back-to-top { position: fixed; right: 24px; bottom: 86px; z-index: 40; opacity: 0; visibility: hidden; transform: translateY(8px); transition: all 0.25s var(--ease); box-shadow: var(--shadow-sm); }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.no-wa .back-to-top { bottom: 22px; }

/* ---------- Project detail ---------- */
.page-top { padding: calc(var(--header-h) + 56px) 0 36px; background: linear-gradient(180deg, #fff, var(--bg-alt)); }
.breadcrumb { display: inline-flex; align-items: center; gap: 8px; font-size: 0.9rem; font-weight: 500; color: var(--text-muted); margin-bottom: 22px; }
.detail-title { font-size: clamp(2.2rem, 5vw, 3.2rem); letter-spacing: -0.035em; margin: 12px 0 14px; }
.detail-summary { font-size: 1.15rem; color: var(--text-muted); max-width: 740px; }
.detail-cover { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); margin: 36px 0 0; }
.detail-cover img { width: 100%; max-height: 600px; object-fit: cover; }
.detail-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 60px); padding: 52px 0 80px; }
.detail-aside { display: grid; gap: 14px; align-content: start; position: sticky; top: calc(var(--header-h) + 24px); }
.detail-aside .card { padding: 20px 22px; }
.subhead { font-size: 0.78rem; font-weight: 700; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.1em; margin: 34px 0 12px; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin-top: 24px; }
.gallery button { padding: 0; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; cursor: zoom-in; aspect-ratio: 16 / 10; background: var(--bg-alt); }
.gallery img { width: 100%; height: 100%; object-fit: cover; }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding-bottom: 80px; }
.pager a { padding: 20px 22px; display: flex; flex-direction: column; gap: 4px; font-weight: 600; }
.pager a small { color: var(--text-dim); font-size: 0.8rem; font-weight: 500; }
.pager .next { text-align: right; grid-column: 2; }

/* ---------- Error page ---------- */
.error-page { min-height: 80vh; display: grid; place-items: center; text-align: center; padding: calc(var(--header-h) + 40px) 0 80px; }
.error-code { font-family: var(--font-display); font-size: clamp(4.5rem, 14vw, 8rem); font-weight: 800; line-height: 1; letter-spacing: -0.05em; color: var(--accent); }

/* ---------- Motion (subtle) ---------- */
.anim .reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); transition-delay: var(--d, 0s); }
.anim .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
  .anim .reveal { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .about-grid, .contact-grid, .detail-grid { grid-template-columns: minmax(0, 1fr); }
  .portrait { justify-self: center; max-width: 420px; order: -1; }
  .portrait-card { left: 12px; bottom: 16px; }
  .detail-aside { position: static; }
}
@media (max-width: 640px) {
  .brand-name small { display: none; }
  .project-grid, .skill-grid, .award-grid, .quote-grid, .gh-repos, .edu-grid, .service-grid { grid-template-columns: minmax(0, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .hero-actions .btn { flex: 1 1 auto; }
  .pager { grid-template-columns: 1fr; }
  .pager .next { grid-column: 1; }
  .timeline-item { padding-left: 32px; }
  .timeline-card { padding: 20px; }
  .cta-actions .btn { flex: 1 1 100%; }
}