/* =============================================================
   CORE  —  bundled tokens + base + layout + components
   Merged into one file to cut render-blocking requests on every
   page (was 4 separate <link> tags, always loaded together).
   ============================================================= */

/* =============================================================
   DESIGN TOKENS  —  single source of truth
   Change a value here and it updates everywhere.
   ============================================================= */

:root {

  /* ── Surfaces ──────────────────────────────────────── */
  --bg:        #faf9f8;   /* page background — Fluent UI off-white */
  --surface:   #f3f2f1;   /* slightly darker surface               */
  --card:      #ffffff;   /* card background — pure white          */
  --card2:     #f3f2f1;   /* secondary card / inset bg             */

  /* ── Borders ───────────────────────────────────────── */
  --border:    rgba(0,0,0,0.08);
  --border2:   rgba(0,0,0,0.15);

  /* ── Text ──────────────────────────────────────────── */
  --text:      #323130;   /* primary text — Fluent UI near-black   */
  --muted:     #605e5c;   /* body / secondary text                 */
  --muted2:    #6e6c6b;   /* placeholder / tertiary text (WCAG AA on card2) */

  /* ── Accent — Microsoft Blue ───────────────────────── */
  --accent:    #0078d4;
  --accent-hi: #106ebe;
  --accent-lo: rgba(0,120,212,0.08);
  --accent-mid:rgba(0,120,212,0.22);
  --accent-text: #0a5c9e; /* darker accent for text on accent-lo/card2 — WCAG AA */

  /* ── Semantic colours ──────────────────────────────── */
  --green:     #16a34a;
  --green-lo:  rgba(22,163,74,0.10);
  --amber:     #d97706;
  --amber-lo:  rgba(217,119,6,0.10);
  --rose:      #e11d48;
  --rose-lo:   rgba(225,29,72,0.10);
  --sky:       #0284c7;
  --sky-lo:    rgba(2,132,199,0.10);

  /* ── Hero background ───────────────────────────────── */
  --hero-bg: linear-gradient(135deg, #f0f6ff 0%, #e8f1fb 100%);

  /* ── Extended semantic ──────────────────────────────── */
  --success:     #107c10;
  --success-lo:  rgba(16,124,16,0.10);
  --yellow:      #ffd23f;
  --yellow-dark: #3d2c00;

  /* ── Brand colours ─────────────────────────────────── */
  --brand-li:  #0a66c2;   /* LinkedIn                        */
  --brand-yt:  #ff0000;   /* YouTube                         */
  --brand-wa:  #25d366;   /* WhatsApp                        */
  --brand-med: #1c1917;   /* Medium (dark on light bg)       */
  --brand-gh:  #1c1917;   /* GitHub (dark on light bg)       */

  /* ── Spacing scale ─────────────────────────────────── */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.25rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-10:2.5rem;

  /* ── Radius ────────────────────────────────────────── */
  --radius-sm: 6px;
  --radius-md: 11px;
  --radius-lg: 18px;
  --radius-full: 99px;

  /* ── Typography ────────────────────────────────────── */
  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-size-xs:  0.65rem;
  --font-size-sm:  0.78rem;
  --font-size-md:  0.88rem;
  --font-size-base: 1rem;
  --font-size-lg:  1.1rem;
  --font-size-xl:  1.25rem;
  --font-size-2xl: 1.9rem;

  /* ── Transitions ───────────────────────────────────── */
  --transition-fast: .18s ease;
  --transition-mid:  .25s ease;
  --transition-drawer: .35s cubic-bezier(.4,0,.2,1);
}

/* =============================================================
   BASE  —  reset, body, typography, global animations
   ============================================================= */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Subtle dot-grid texture */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: radial-gradient(circle, rgba(0,120,212,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
}

a { color: inherit; }

img, svg { display: block; }

/* ── Animations ─────────────────────────────────────────── */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: .3; }
}

@keyframes pulse-ring {
  0%   { transform: scale(1);   opacity: .6; }
  100% { transform: scale(1.8); opacity: 0; }
}

/* =============================================================
   LAYOUT  —  page wrapper, bento grid, responsive breakpoints
   ============================================================= */

/* ── Page scaffold ──────────────────────────────────────── */
.page {
  padding: var(--sp-10) var(--sp-5) 5rem;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ── Bento grid ─────────────────────────────────────────── */
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 0.875rem;
}

/* Column span helpers */
.c1  { grid-column: span 1; }
.c2  { grid-column: span 2; }
.c3  { grid-column: span 3; }
.c4  { grid-column: span 4; }
.c5  { grid-column: span 5; }
.c6  { grid-column: span 6; }
.c7  { grid-column: span 7; }
.c8  { grid-column: span 8; }
.c9  { grid-column: span 9; }
.c10 { grid-column: span 10; }
.c11 { grid-column: span 11; }
.c12 { grid-column: span 12; }

@media (max-width: 860px) {
  .c1,.c2,.c3,.c4,.c5,.c6,
  .c7,.c8,.c9,.c10,.c11,.c12 { grid-column: span 12; }
}

@media (min-width: 861px) and (max-width: 1060px) {
  .c4 { grid-column: span 6; }
  .c5 { grid-column: span 6; }
  .c7 { grid-column: span 8; }
  .c8 { grid-column: span 8; }
}

/* ── Standard section gap ───────────────────────────────── */
.section-gap { margin-top: var(--sp-10); }

/* ── Footer ─────────────────────────────────────────────── */
.footer {
  text-align: center;
  margin-top: var(--sp-8);
  font-size: var(--font-size-xs);
  color: var(--muted2);
}

/* =============================================================
   COMPONENTS  —  reusable UI pieces used across all pages
   ============================================================= */


/* ── Card ────────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-fast), transform var(--transition-mid);
}

.card:hover {
  border-color: var(--border2);
  transform: translateY(-2px);
}

/* Top accent line — colour controlled by modifier */
.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--card-accent, rgba(0,120,212,.4)) 50%,
    transparent 100%
  );
}

.card.ind  { --card-accent: rgba(0,120,212,.5); }
.card.grn  { --card-accent: rgba(22,163,74,.45); }
.card.sky  { --card-accent: rgba(2,132,199,.45); }
.card.amb  { --card-accent: rgba(217,119,6,.45); }
.card.rose { --card-accent: rgba(225,29,72,.4); }

/* Card sub-elements */
.card-eyebrow {
  font-size: var(--font-size-xs);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted2);
  margin-bottom: var(--sp-3);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.card-eyebrow::before {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--muted2);
  display: inline-block;
}

.card h2 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--sp-2);
}

.card p {
  font-size: var(--font-size-md);
  color: var(--muted);
  line-height: 1.65;
}


/* ── Badges / Tags ───────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

/* Semantic colour modifiers */
.badge--accent { background: var(--accent-lo); color: var(--accent-text); border: 1px solid var(--accent-mid); }
.badge--green  { background: var(--green-lo);  color: var(--green);     border: 1px solid rgba(22,163,74,.25); }
.badge--sky    { background: var(--sky-lo);    color: var(--sky);       border: 1px solid rgba(2,132,199,.25); }
.badge--amber  { background: var(--amber-lo);  color: var(--amber);     border: 1px solid rgba(217,119,6,.25); }
.badge--rose   { background: var(--rose-lo);   color: var(--rose);      border: 1px solid rgba(225,29,72,.25); }
.badge--muted  { background: rgba(0,0,0,.05);  color: var(--muted);     border: 1px solid var(--border); }

/* ── Page hero (shared across all secondary pages) ───────── */
.page-hero {
  background: var(--hero-bg);
  border-bottom: 1px solid var(--border);
  padding: 2.25rem 1.25rem 2rem;
  text-align: center;
}
.page-hero-badge {
  display: inline-flex; align-items: center; gap: 0.45rem;
  background: var(--accent-lo); border: 1px solid var(--accent-mid);
  color: var(--accent-text); font-size: 0.7rem; font-weight: 600; letter-spacing: 0.5px;
  padding: 0.28rem 0.85rem; border-radius: var(--radius-full);
  margin-bottom: 1rem;
}
.page-hero h1       { font-size: clamp(1.6rem,3vw,2.4rem); font-weight: 800; color: var(--text); letter-spacing: -1px; margin-bottom: 0.45rem; }
.page-hero h1 span  { color: var(--accent); }
.page-hero p        { font-size: 0.9rem; color: var(--muted); max-width: 560px; margin: 0 auto; line-height: 1.6; }

/* ── Dark CTA bar (bottom-of-page call to action) ────────── */
.page-cta-bar {
  background: linear-gradient(135deg, #000 0%, #1a1a1a 100%);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
}
.page-cta-bar-body  { flex: 1; min-width: 220px; }
.page-cta-bar-title { font-size: 1.2rem; font-weight: 800; color: #fff; margin-bottom: 0.35rem; letter-spacing: -0.5px; }
.page-cta-bar-desc  { font-size: 0.86rem; color: rgba(255,255,255,.72); line-height: 1.6; }
.page-cta-bar-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: #fff; color: #000;
  font-size: 0.85rem; font-weight: 700;
  padding: 0.7rem 1.4rem; border-radius: var(--radius-md);
  text-decoration: none; white-space: nowrap;
  transition: transform var(--transition-fast);
}
.page-cta-bar-btn:hover { transform: translateY(-2px); }


/* ── Pills (contact row) ─────────────────────────────────── */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}
.pill:hover { border-color: var(--accent); color: var(--accent); }
.pill svg   { flex-shrink: 0; }


/* ── Button ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--font-size-sm);
  font-weight: 600;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn--primary:hover { background: var(--accent-hi); border-color: var(--accent-hi); }

.btn--ghost {
  background: var(--accent-lo);
  color: var(--accent-text);
  border-color: var(--accent-mid);
}
.btn--ghost:hover { background: rgba(0,120,212,.18); }

.btn--muted {
  background: var(--card2);
  color: var(--muted);
  border-color: var(--border);
}
.btn--muted:hover { border-color: var(--border2); color: var(--text); }


/* ── Tech stack tag ──────────────────────────────────────── */
.stag {
  font-size: 0.71rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(0,0,0,0.04);
  border: 1px solid var(--border);
  color: var(--text);
}


/* ── Status dot (animated) ───────────────────────────────── */
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: blink 2s infinite;
  flex-shrink: 0;
}


/* ── Drawer overlay ──────────────────────────────────────── */
.drawer-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(4px);
  z-index: 900;
  opacity: 0; pointer-events: none;
  transition: opacity .3s ease;
}
.drawer-overlay.open { opacity: 1; pointer-events: all; }


/* ── Drawer panel ────────────────────────────────────────── */
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(520px, 100vw);
  background: var(--card);
  border-left: 1px solid var(--accent-mid);
  z-index: 901;
  transform: translateX(100%);
  transition: transform var(--transition-drawer);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.drawer.open { transform: translateX(0); }

.drawer-header {
  padding: var(--sp-6) var(--sp-6) var(--sp-5);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: flex-start; justify-content: space-between; gap: var(--sp-4);
  flex-shrink: 0;
}

.drawer-close {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  background: var(--card2);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}
.drawer-close:hover { border-color: var(--border2); color: var(--text); }

.drawer-body {
  flex: 1; overflow-y: auto;
  padding: var(--sp-6);
  display: flex; flex-direction: column; gap: var(--sp-5);
}
.drawer-body::-webkit-scrollbar { width: 4px; }
.drawer-body::-webkit-scrollbar-track { background: transparent; }
.drawer-body::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

/* Drawer content */
.d-tag {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--sp-1);
}
.d-title    { font-size: var(--font-size-xl); font-weight: 800; color: var(--text); line-height: 1.25; margin-bottom: var(--sp-1); }
.d-subtitle { font-size: var(--font-size-sm); color: var(--muted); }

.d-section { display: flex; flex-direction: column; gap: var(--sp-2); }
.d-section-label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--muted2);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--border);
}
.d-text { font-size: var(--font-size-md); color: var(--muted); line-height: 1.7; }

.d-bullets { display: flex; flex-direction: column; gap: var(--sp-2); padding: 0; list-style: none; }
.d-bullets li {
  font-size: 0.83rem; color: var(--muted); line-height: 1.6;
  padding-left: 1.1rem; position: relative;
}
.d-bullets li::before {
  content: '▸'; position: absolute; left: 0;
  color: var(--accent); font-size: 0.7rem; top: 3px;
}

.d-tags-row { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.d-tech {
  font-size: 0.72rem; padding: 0.22rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(0,0,0,.04);
  border: 1px solid var(--border);
  color: var(--text);
}


/* ── Site navigation bar ─────────────────────────────── */
.site-nav {
  position: sticky; top: 0; z-index: 800;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.site-nav-inner {
  max-width: 1080px; margin: 0 auto;
  padding: 0 1.25rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 52px;
  gap: 0.5rem;
}

.site-nav-brand {
  display: flex; align-items: center; gap: 0.55rem;
  font-size: 0.92rem; font-weight: 700; color: var(--text);
  text-decoration: none; justify-self: start;
  transition: color var(--transition-fast);
}
.site-nav-brand:hover { color: var(--accent); }
.site-nav-brand svg  { color: var(--accent); flex-shrink: 0; }

.site-nav-links {
  display: flex; align-items: center; gap: 0.25rem;
  justify-content: center;
}

.site-nav-right {
  display: flex; align-items: center; gap: 0.5rem;
  justify-self: end;
}

/* Contact CTA pill */
.site-nav-cta {
  display: inline-flex; align-items: center;
  font-size: 0.82rem; font-weight: 700;
  padding: 0.42rem 1.1rem;
  border-radius: var(--radius-full);
  background: var(--accent); color: #fff;
  text-decoration: none;
  transition: background var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
}
.site-nav-cta:hover { background: var(--accent-hi); transform: translateY(-1px); }

@media (max-width: 700px) {
  .site-nav-inner { grid-template-columns: auto 1fr auto; }
  .site-nav-links { justify-content: flex-start; gap: 0; }
}
@media (max-width: 560px) {
  .site-nav-brand-name { display: none; }
  .site-nav-link { padding: 0.38rem 0.6rem; }
  .site-nav-inner { padding: 0 0.85rem; }
  .site-nav-cta { padding: 0.38rem 0.8rem; }
}

.site-nav-link {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.82rem; font-weight: 500;
  padding: 0.38rem 0.85rem;
  border-radius: var(--radius-md);
  color: var(--muted);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.site-nav-link:hover   { background: var(--card2); color: var(--text); }
.site-nav-link.active  { background: var(--accent-lo); color: var(--accent-text); font-weight: 600; }

/* ── Nav dropdown ── */
.site-nav-dropdown {
  position: relative;
}
.site-nav-dropdown-toggle {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.82rem; font-weight: 500;
  padding: 0.38rem 0.85rem;
  border-radius: var(--radius-md);
  color: var(--muted);
  text-decoration: none; cursor: pointer;
  background: none; border: none; font-family: inherit;
  transition: background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}
.site-nav-dropdown-toggle:hover,
.site-nav-dropdown.open .site-nav-dropdown-toggle { background: var(--card2); color: var(--text); }
.site-nav-dropdown-toggle.active { background: var(--accent-lo); color: var(--accent-text); font-weight: 600; }
.site-nav-dropdown-toggle svg { transition: transform .2s ease; }
.site-nav-dropdown.open .site-nav-dropdown-toggle svg { transform: rotate(180deg); }

.site-nav-dropdown-menu {
  position: absolute; top: calc(100% + 6px); right: 0;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 0.35rem;
  min-width: 220px;
  box-shadow: 0 8px 24px rgba(0,0,0,.1);
  display: none; flex-direction: column; gap: 0.1rem;
  z-index: 900;
}
.site-nav-dropdown.open .site-nav-dropdown-menu { display: flex; }

.site-nav-dropdown-item {
  display: flex; align-items: center; gap: 0.65rem;
  padding: 0.5rem 0.75rem; border-radius: var(--radius-md);
  font-size: 0.82rem; color: var(--muted);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.site-nav-dropdown-item:hover { background: var(--accent-lo); color: var(--accent-text); }
.site-nav-dropdown-item.active { background: var(--accent-lo); color: var(--accent-text); font-weight: 600; }
.site-nav-dropdown-item-icon {
  width: 26px; height: 26px; border-radius: 7px;
  background: var(--accent-lo); display: flex; align-items: center;
  justify-content: center; font-size: 0.9rem; flex-shrink: 0;
}
.site-nav-dropdown-item:hover .site-nav-dropdown-item-icon,
.site-nav-dropdown-item.active .site-nav-dropdown-item-icon { background: var(--accent); }
.site-nav-dropdown-divider { height: 1px; background: var(--border); margin: 0.25rem 0; }

@media (max-width: 560px) {
  .site-nav-dropdown-toggle { padding: 0.38rem 0.6rem; }
  .site-nav-dropdown-menu { right: -0.5rem; min-width: 200px; }
}