/* ===========================================================
   Patrick Mutisya — Personal Website
   Theme: Blue / White / Orange
   =========================================================== */

:root {
  --blue-900: #0a2e5c;
  --blue-700: #134a8e;
  --blue-600: #1a5cbf;
  --blue-500: #2575e6;
  --blue-100: #e8f1fd;
  --orange:   #ff7a00;
  --orange-d: #e96b00;
  --orange-l: #ffefdf;
  --white:    #ffffff;
  --ink:      #1c2733;
  --muted:    #5a6b7b;
  --line:     #e3e9f0;
  --bg-soft:  #f5f8fc;
  --shadow:   0 10px 30px rgba(13, 46, 92, .10);
  --shadow-sm:0 4px 14px rgba(13, 46, 92, .08);
  --radius:   16px;
  --radius-sm:10px;
  --ease:     cubic-bezier(.22,.61,.36,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: var(--blue-600); text-decoration: none; transition: color .2s; }
a:hover { color: var(--orange); }
img { max-width: 100%; display: block; }
h1, h2, h3 { line-height: 1.2; color: var(--blue-900); font-weight: 800; }
section { padding: 90px 0; }

.container { width: min(1140px, 92%); margin: 0 auto; }
.text-center { text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  font-weight: 700; font-size: .98rem; cursor: pointer;
  padding: .85rem 1.6rem; border-radius: 50px; border: 2px solid transparent;
  transition: transform .2s var(--ease), box-shadow .2s, background .2s, color .2s;
  text-decoration: none;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--orange); color: #fff; box-shadow: 0 8px 20px rgba(255,122,0,.35); }
.btn-primary:hover { background: var(--orange-d); color: #fff; transform: translateY(-2px); }
.btn-blue { background: var(--blue-600); color: #fff; }
.btn-blue:hover { background: var(--blue-700); color: #fff; transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--blue-700); border-color: var(--blue-600); }
.btn-outline:hover { background: var(--blue-600); color: #fff; }
.btn-ghost-light { background: rgba(255,255,255,.15); color:#fff; border-color: rgba(255,255,255,.6); }
.btn-ghost-light:hover { background:#fff; color: var(--blue-700); }
.btn-lg { padding: 1rem 2rem; font-size: 1.05rem; }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent; transition: box-shadow .3s, border-color .3s;
}
.navbar.scrolled { box-shadow: var(--shadow-sm); border-color: var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 800; font-size: 1.25rem; color: var(--blue-900); }
.brand .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--orange); display:inline-block; }
.nav-links { display: flex; align-items: center; gap: 1.6rem; list-style: none; }
.nav-links a { color: var(--ink); font-weight: 600; font-size: .96rem; position: relative; }
.nav-links a::after {
  content:""; position:absolute; left:0; bottom:-6px; height:2px; width:0; background: var(--orange); transition: width .25s var(--ease);
}
.nav-links a:hover::after { width: 100%; }
.nav-toggle { display:none; background:none; border:none; cursor:pointer; flex-direction: column; gap:5px; }
.nav-toggle span { width: 26px; height: 3px; background: var(--blue-900); border-radius: 3px; transition: .3s; }

/* ---------- Hero ---------- */
.hero {
  position: relative; padding: 150px 0 110px;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(255,122,0,.18), transparent 60%),
    linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 55%, var(--blue-600) 100%);
  color: #fff; overflow: hidden;
}
.hero::after {
  content:""; position:absolute; bottom:-1px; left:0; right:0; height: 90px;
  background: var(--white); clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 70%);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; position: relative; z-index: 2; }
.hero .eyebrow {
  display:inline-block; background: rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.3);
  padding:.4rem 1rem; border-radius:50px; font-weight:600; font-size:.85rem; letter-spacing:.03em; margin-bottom:1.2rem;
}
.hero h1 { color:#fff; font-size: clamp(2.1rem, 4.5vw, 3.4rem); margin-bottom: 1rem; }
.hero h1 .accent { color: var(--orange); }
.hero p.lead { font-size: 1.15rem; color: rgba(255,255,255,.9); max-width: 540px; margin-bottom: 1.8rem; }
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats { display:flex; gap: 2.2rem; margin-top: 2.4rem; }
.hero-stats .num { font-size: 1.9rem; font-weight: 800; color: var(--orange); }
.hero-stats .lbl { font-size: .85rem; color: rgba(255,255,255,.85); }

.hero-photo { justify-self: center; position: relative; }
.hero-photo img {
  width: 320px; height: 320px; object-fit: cover; border-radius: 50%;
  border: 6px solid rgba(255,255,255,.25); box-shadow: 0 20px 50px rgba(0,0,0,.35);
}
.hero-photo .ring { position:absolute; inset:-18px; border: 3px dashed rgba(255,122,0,.55); border-radius:50%; animation: spin 22s linear infinite; }
.hero-photo .badge {
  position:absolute; bottom: 18px; right: -6px; background:#fff; color: var(--blue-900);
  padding:.6rem 1rem; border-radius: 50px; font-weight:700; font-size:.85rem; box-shadow: var(--shadow);
  display:flex; align-items:center; gap:.4rem;
}
.hero-photo .badge .pulse { width:9px;height:9px;border-radius:50%;background:#22c55e; box-shadow:0 0 0 0 rgba(34,197,94,.6); animation: pulse 1.8s infinite; }
@keyframes spin { to { transform: rotate(360deg);} }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(34,197,94,0);} 100%{ box-shadow:0 0 0 0 rgba(34,197,94,0);} }

/* ---------- Section headings ---------- */
.section-head { max-width: 680px; margin: 0 auto 56px; text-align: center; }
.section-head .kicker { color: var(--orange); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; font-size: .82rem; }
.section-head h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); margin: .5rem 0 .8rem; }
.section-head p { color: var(--muted); font-size: 1.05rem; }
.bg-soft { background: var(--bg-soft); }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; align-items: center; }
.about-card {
  background:#fff; border-radius: var(--radius); padding: 8px; box-shadow: var(--shadow);
  border: 1px solid var(--line); position: relative;
}
.about-card img { border-radius: 12px; width:100%; height: 420px; object-fit: cover; object-position: top center; }
.about-card .float {
  position:absolute; left:-22px; bottom:24px; background: var(--orange); color:#fff;
  padding: 1rem 1.3rem; border-radius: 14px; box-shadow: var(--shadow); font-weight:700; line-height:1.2;
}
.about-card .float small { display:block; font-weight:500; opacity:.9; font-size:.78rem; }
.about-text h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); margin-bottom: 1rem; }
.about-text p { color: var(--muted); margin-bottom: 1rem; }
.about-tags { display:flex; flex-wrap:wrap; gap:.6rem; margin: 1.2rem 0 1.6rem; }
.tag { background: var(--blue-100); color: var(--blue-700); padding:.4rem .9rem; border-radius:50px; font-size:.85rem; font-weight:600; }
.tag.orange { background: var(--orange-l); color: var(--orange-d); }

/* ---------- Services ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.card {
  background:#fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 28px;
  box-shadow: var(--shadow-sm); transition: transform .3s var(--ease), box-shadow .3s; position: relative; overflow: hidden;
}
.card::before { content:""; position:absolute; top:0; left:0; height:4px; width:100%; background: linear-gradient(90deg, var(--blue-600), var(--orange)); transform: scaleX(0); transform-origin:left; transition: transform .35s var(--ease); }
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.card:hover::before { transform: scaleX(1); }
.card .ico {
  width: 60px; height: 60px; border-radius: 14px; display:grid; place-items:center; font-size: 1.6rem;
  background: var(--blue-100); color: var(--blue-700); margin-bottom: 1.2rem;
}
.card:nth-child(2) .ico { background: var(--orange-l); color: var(--orange-d); }
.card h3 { font-size: 1.25rem; margin-bottom: .6rem; }
.card p { color: var(--muted); font-size: .96rem; margin-bottom: 1rem; }
.card ul { list-style:none; }
.card ul li { color: var(--muted); font-size: .92rem; padding-left: 1.5rem; position: relative; margin-bottom:.4rem; }
.card ul li::before { content:"\2713"; position:absolute; left:0; color: var(--orange); font-weight:800; }
.card .card-link { font-weight:700; margin-top: 1rem; display:inline-flex; gap:.4rem; align-items:center; }

/* ---------- Timeline (resume preview) ---------- */
.timeline { position: relative; max-width: 820px; margin: 0 auto; padding-left: 30px; }
.timeline::before { content:""; position:absolute; left: 8px; top: 6px; bottom: 6px; width: 3px; background: linear-gradient(var(--blue-600), var(--orange)); border-radius: 3px; }
.tl-item { position: relative; padding: 0 0 34px 28px; }
.tl-item::before { content:""; position:absolute; left:-30px; top: 4px; width: 18px; height:18px; border-radius:50%; background:#fff; border:4px solid var(--orange); box-shadow: var(--shadow-sm); }
.tl-item .when { color: var(--orange-d); font-weight:700; font-size:.85rem; }
.tl-item h4 { color: var(--blue-900); font-size:1.15rem; margin:.2rem 0; }
.tl-item .where { color: var(--muted); font-weight:600; font-size:.92rem; margin-bottom:.4rem; }
.tl-item p { color: var(--muted); font-size:.94rem; }

/* ---------- Forms ---------- */
.form-wrap { background:#fff; border:1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 38px; }
.form-grid { display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 4px; display:flex; flex-direction: column; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-weight:600; font-size:.9rem; margin-bottom:.4rem; color: var(--ink); }
.form-group label .req { color: var(--orange); }
.form-control {
  width:100%; padding: .85rem 1rem; border:1.5px solid var(--line); border-radius: var(--radius-sm);
  font: inherit; color: var(--ink); background:#fff; transition: border-color .2s, box-shadow .2s;
}
.form-control:focus { outline:none; border-color: var(--blue-500); box-shadow: 0 0 0 4px rgba(37,117,230,.12); }
textarea.form-control { resize: vertical; min-height: 130px; }
select.form-control { appearance:none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='%235a6b7b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position: right 1rem center; padding-right: 2.4rem; }
.form-note { color: var(--muted); font-size:.85rem; margin-top:.6rem; }
.form-msg { display:none; padding: .9rem 1.1rem; border-radius: var(--radius-sm); margin-bottom: 1rem; font-weight:600; }
.form-msg.show { display:block; }
.form-msg.success { background: #e7f8ee; color:#137a43; border:1px solid #b6e9cd; }
.form-msg.error { background: #fdeaea; color:#b02525; border:1px solid #f6c9c9; }
.field-error { color:#b02525; font-size:.82rem; margin-top:.3rem; display:none; }
.form-control.invalid { border-color:#e05656; }
.btn[disabled] { opacity:.7; cursor: not-allowed; }
.spinner { width:16px; height:16px; border:2px solid rgba(255,255,255,.5); border-top-color:#fff; border-radius:50%; animation: spin .7s linear infinite; display:none; }
.btn.loading .spinner { display:inline-block; }

/* Tabs for the two forms area */
.tabs { display:flex; gap:.6rem; justify-content:center; margin-bottom: 30px; flex-wrap:wrap; }
.tab-btn {
  border:1.5px solid var(--line); background:#fff; color: var(--blue-700); font-weight:700;
  padding:.75rem 1.4rem; border-radius:50px; cursor:pointer; transition:.2s; font-size:.95rem;
}
.tab-btn.active { background: var(--blue-600); color:#fff; border-color: var(--blue-600); box-shadow: var(--shadow-sm); }
.tab-panel { display:none; animation: fade .4s var(--ease); }
.tab-panel.active { display:block; }
@keyframes fade { from { opacity:0; transform: translateY(10px);} to{opacity:1; transform:none;} }

/* ---------- Contact strip ---------- */
.contact-grid { display:grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: stretch; }
.contact-info { background: linear-gradient(160deg, var(--blue-700), var(--blue-900)); color:#fff; border-radius: var(--radius); padding: 40px; }
.contact-info h3 { color:#fff; font-size:1.5rem; margin-bottom: .6rem; }
.contact-info p { color: rgba(255,255,255,.85); margin-bottom: 1.8rem; }
.contact-item { display:flex; gap: 1rem; align-items:flex-start; margin-bottom: 1.4rem; }
.contact-item .ci-ico { width:44px;height:44px; flex:none; border-radius:12px; display:grid; place-items:center; background: rgba(255,255,255,.14); font-size:1.2rem; }
.contact-item .ci-l { font-size:.8rem; color: rgba(255,255,255,.7); }
.contact-item .ci-v { font-weight:700; }
.contact-item a { color:#fff; }
.contact-item a:hover { color: var(--orange); }
.socials { display:flex; gap:.7rem; margin-top: 1.8rem; }
.socials a { width:42px;height:42px;border-radius:12px; background: rgba(255,255,255,.14); display:grid; place-items:center; color:#fff; font-weight:700; transition:.2s; }
.socials a:hover { background: var(--orange); transform: translateY(-3px); }

/* ---------- Footer ---------- */
.footer { background: var(--blue-900); color: rgba(255,255,255,.8); padding: 50px 0 24px; }
.footer-grid { display:grid; grid-template-columns: 2fr 1fr 1fr; gap: 36px; margin-bottom: 32px; }
.footer h4 { color:#fff; margin-bottom: 1rem; font-size: 1.05rem; }
.footer a { color: rgba(255,255,255,.78); display:block; padding:.25rem 0; }
.footer a:hover { color: var(--orange); }
.footer .brand { color:#fff; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.12); padding-top: 20px; text-align:center; font-size:.88rem; }
.footer-bottom .accent { color: var(--orange); }

/* ---------- Scroll reveal ---------- */
.reveal { opacity:0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.visible { opacity:1; transform:none; }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed; right: 22px; bottom: 22px; width: 48px; height:48px; border-radius:50%;
  background: var(--orange); color:#fff; border:none; cursor:pointer; font-size:1.2rem; display:grid; place-items:center;
  box-shadow: var(--shadow); opacity:0; pointer-events:none; transform: translateY(10px); transition:.3s; z-index: 900;
}
.to-top.show { opacity:1; pointer-events:auto; transform:none; }

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-photo { order:-1; }
  .cards { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  section { padding: 64px 0; }
  .nav-links {
    position: fixed; top: 72px; left:0; right:0; background:#fff; flex-direction: column; gap:0;
    padding: 10px 0; box-shadow: var(--shadow); transform: translateY(-130%); transition: transform .35s var(--ease); border-top:1px solid var(--line);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links li { width:100%; }
  .nav-links a { display:block; padding: .9rem 6%; }
  .nav-toggle { display:flex; }
  .cards, .form-grid, .footer-grid { grid-template-columns: 1fr; }
  .form-wrap { padding: 24px; }
  .about-card .float { left: 12px; }
  .hero-stats { gap: 1.4rem; }
}