/* ==========================================================================
   Daniel Murimi Njiraini — Portfolio
   Theme: "Dispatch" — warm dusk gradient, ticket/ops vernacular, film grain
   ========================================================================== */

:root {
  /* Palette */
  --ink:        #1B1B1F;
  --paper:      #F6F1E7;
  --teal-deep:  #0B3D3E;
  --teal-mid:   #14555A;
  --dusk:       #6B3A4A;
  --amber:      #C8672E;
  --gold:       #E8B768;
  --slate:      #B9C2C3;

  --surface:        rgba(246, 241, 231, 0.06);
  --surface-strong: rgba(246, 241, 231, 0.10);
  --border:         rgba(246, 241, 231, 0.16);

  --radius: 14px;
  --radius-sm: 8px;

  --font-display: "Fraunces", serif;
  --font-body: "IBM Plex Sans", -apple-system, Segoe UI, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--paper);
  background: linear-gradient(120deg, var(--teal-deep), var(--dusk) 55%, var(--amber));
  background-size: 280% 280%;
  animation: gradientFlow 36s ease-in-out infinite alternate;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

@keyframes gradientFlow {
  0%   { background-position: 0% 30%; }
  50%  { background-position: 70% 70%; }
  100% { background-position: 100% 0%; }
}

@media (prefers-reduced-motion: reduce) {
  body { animation: none; }
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* Grain canvas overlay */
#grain {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.07;
  mix-blend-mode: overlay;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--paper);
  color: var(--ink);
  padding: 0.5rem 1rem;
  z-index: 999;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

main, .site-nav, .site-footer { position: relative; z-index: 2; }

a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--paper); }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.container { max-width: 1140px; }

/* ---------- Typography ---------- */
h1, h2, h3, .brand-mark { font-family: var(--font-display); font-weight: 600; }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.4rem);
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--paper);
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.lead-copy {
  color: var(--slate);
  font-size: 1.02rem;
  line-height: 1.7;
}

/* ---------- Nav ---------- */
.site-nav {
  padding: 0.9rem 0;
  background: rgba(11, 30, 31, 0.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s ease;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--paper);
}
.brand-mark { font-weight: 600; }
.brand-status {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--gold);
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(232, 183, 104, 0.6);
  animation: pulseRing 2.4s ease-out infinite;
}

.nav-list { gap: 0.4rem; }
.nav-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--slate) !important;
  padding: 0.5rem 0.9rem !important;
  border-radius: var(--radius-sm);
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-link:hover, .nav-link.active { color: var(--paper) !important; background: var(--surface); }
.nav-cv { display: inline-flex; align-items: center; gap: 0.25rem; color: var(--gold) !important; }

.navbar-toggler { border-color: var(--border); }
.navbar-toggler-icon {
  filter: invert(1) grayscale(1) brightness(2);
}

/* ---------- Hero ---------- */
.hero { padding: 8.5rem 0 5rem; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.1rem;
}
.eyebrow .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.hero-title {
  font-size: clamp(2.1rem, 1.6rem + 2.6vw, 3.4rem);
  line-height: 1.12;
  margin-bottom: 1.3rem;
  color: var(--paper);
}

.hero-sub {
  color: var(--slate);
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 540px;
  margin-bottom: 2rem;
}

.hero-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; }

.btn-cta {
  background: var(--gold);
  color: var(--ink);
  font-weight: 600;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-sm);
  border: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 24px -10px rgba(232,183,104,0.55); color: var(--ink); }

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--paper);
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-sm);
  transition: border-color 0.18s ease, background 0.18s ease;
}
.btn-ghost:hover { border-color: var(--gold); background: var(--surface); color: var(--paper); }

/* Hero ticket card */
.hero-card { justify-self: end; width: 100%; }
.ticket {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  backdrop-filter: blur(6px);
}
.ticket-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--border);
  color: var(--slate);
}
.ticket-row:last-child { border-bottom: none; }
.ticket-row span:first-child { color: var(--gold); letter-spacing: 0.08em; }
.ticket-row span:last-child { color: var(--paper); text-align: right; }

.status-live { display: inline-flex; align-items: center; gap: 0.4rem; }
.pulse {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #7CD9A0;
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(124,217,160,0.6);
  animation: pulseRing 2.2s ease-out infinite;
}
.pulse.small { width: 6px; height: 6px; }

@keyframes pulseRing {
  0%   { box-shadow: 0 0 0 0 rgba(232,183,104,0.55); }
  70%  { box-shadow: 0 0 0 7px rgba(232,183,104,0); }
  100% { box-shadow: 0 0 0 0 rgba(232,183,104,0); }
}

/* ---------- Sections ---------- */
.section { padding: 5.5rem 0; }
.section-alt { background: rgba(0,0,0,0.12); }

/* Timeline */
.timeline { list-style: none; padding: 0; margin: 0; border-left: 1px solid var(--border); }
.timeline li {
  position: relative;
  padding: 0 0 1.6rem 1.6rem;
  display: flex;
  flex-direction: column;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: -5px; top: 4px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--gold);
}
.timeline-date { font-family: var(--font-mono); font-size: 0.74rem; color: var(--gold); letter-spacing: 0.06em; }
.timeline-role { font-weight: 600; color: var(--paper); margin-top: 0.15rem; }
.timeline-org { color: var(--slate); font-size: 0.92rem; }

/* Skill cards */
.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  height: 100%;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.skill-card:hover { transform: translateY(-4px); border-color: var(--gold); }
.skill-card i { font-size: 1.5rem; color: var(--gold); margin-bottom: 0.8rem; display: block; }
.skill-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; color: var(--paper); }
.skill-card p { color: var(--slate); font-size: 0.9rem; line-height: 1.6; }

.tags { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-top: 0.9rem; }
.tags span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--paper);
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.22rem 0.65rem;
}

/* Work cards */
.work-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  height: 100%;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.work-card:hover { transform: translateY(-4px); border-color: var(--gold); }
.work-ref { font-family: var(--font-mono); color: var(--gold); font-size: 0.74rem; letter-spacing: 0.08em; margin-bottom: 0.5rem; }
.work-card h3 { font-size: 1.08rem; color: var(--paper); margin-bottom: 0.6rem; }
.work-card p { color: var(--slate); font-size: 0.9rem; line-height: 1.6; }
.work-note { font-family: var(--font-mono); font-size: 0.76rem; color: var(--slate); margin-top: 2rem; opacity: 0.8; }

/* Contact */
.contact-list { list-style: none; padding: 0; margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.8rem; }
.contact-list li { display: flex; align-items: center; gap: 0.7rem; color: var(--slate); }
.contact-list i { color: var(--gold); width: 18px; }
.contact-list a { color: var(--paper); }
.contact-list a:hover { color: var(--gold); }

.contact-form .form-label { color: var(--slate); font-size: 0.85rem; font-family: var(--font-mono); }
.contact-form .form-control {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--paper);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.9rem;
}
.contact-form .form-control:focus {
  background: var(--surface-strong);
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(232,183,104,0.18);
  color: var(--paper);
}
.contact-form .form-control::placeholder { color: rgba(246,241,231,0.4); }
.form-status { font-family: var(--font-mono); font-size: 0.82rem; margin-top: 0.8rem; min-height: 1.2em; }
.form-status.ok { color: #7CD9A0; }
.form-status.err { color: #E89A8C; }

/* Footer */
.site-footer { padding: 2.2rem 0; border-top: 1px solid var(--border); }
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.6rem; }
.mono-small { font-family: var(--font-mono); font-size: 0.72rem; color: var(--slate); margin: 0; display: flex; align-items: center; gap: 0.5rem; }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Custom CSS to slow down the sliding animation transition */
        .carousel-item {
            transition: transform 2.5s ease-in-out; /* Slows the actual slide movement */
        }
        
        /* Ensure images cover the area nicely */
        .card-img-top {
            height: 250px;
            object-fit: cover;
            background-color: #e9ecef;
        }


/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-card { justify-self: stretch; }
  .hero { padding-top: 7rem; }
}

@media (max-width: 575px) {
  .hero-title { font-size: 2rem; }
  .section { padding: 3.5rem 0; }
}