/* ============================================================
   FRANCIS KAMUGISHA — PORTFOLIO STYLESHEET
   Aesthetic: Refined editorial dark/light contrast, luxury tone
   Fonts: Playfair Display (display) + DM Sans (body) + DM Mono
   ============================================================ */

/* --- VARIABLES --- */
:root {
  --bg:         #0a0a0a;
  --bg-light:   #f5f2ee;
  --bg-tinted:  #f0ebe3;
  --surface:    #141414;
  --surface2:   #1e1e1e;
  --gold:       #c9a84c;
  --gold-light: #e8c97a;
  --text-dark:  #0a0a0a;
  --text-light: #f5f2ee;
  --text-muted: #888;
  --text-muted-light: #666;
  --border:     rgba(201,168,76,0.2);
  --border-light: rgba(0,0,0,0.1);
  --radius:     4px;
  --radius-lg:  12px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'DM Mono', monospace;
}

/* --- RESET & BASE --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* --- NAV --- */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 3rem;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
#navbar.scrolled { padding: 0.8rem 3rem; }
.nav-logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--gold);
  letter-spacing: 0.05em;
}
.nav-links { display: flex; gap: 2.5rem; align-items: center; }
.nav-links a {
  color: rgba(245,242,238,0.75);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--gold); }
.nav-cta {
  border: 1px solid var(--gold);
  color: var(--gold) !important;
  padding: 0.45rem 1.2rem;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition) !important;
}
.nav-cta:hover { background: var(--gold) !important; color: var(--bg) !important; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
  transition: var(--transition);
}

/* MOBILE MENU */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.77,0,0.18,1);
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu ul { text-align: center; }
.mobile-menu li { margin: 1.2rem 0; }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--text-light);
  font-style: italic;
}
.mobile-menu a:hover { color: var(--gold); }
.mobile-close {
  position: absolute;
  top: 1.5rem; right: 2rem;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 1.8rem;
  cursor: pointer;
}

/* --- HERO --- */
.hero {
  min-height: 100vh;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 6rem 2rem 4rem;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero-bg-grid::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 50%, transparent 30%, var(--bg) 90%);
}
.hero-content {
  display: flex;
  align-items: center;
  gap: 5rem;
  max-width: 1100px;
  width: 100%;
  position: relative;
  z-index: 1;
}
.hero-photo-wrap {
  position: relative;
  flex-shrink: 0;
  width: 260px;
  height: 260px;
}
.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--gold);
  position: relative;
  z-index: 1;
  animation: fadeInPhoto 1s ease forwards;
}
.photo-ring {
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 1px solid rgba(201,168,76,0.3);
  animation: pulse-ring 3s ease-in-out infinite;
}
.ring2 {
  inset: -24px;
  border-color: rgba(201,168,76,0.15);
  animation-delay: 1s;
}
@keyframes pulse-ring {
  0%,100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.03); opacity: 0.6; }
}
@keyframes fadeInPhoto {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}
.hero-text { flex: 1; }
.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 1rem;
  animation: fadeUp 0.8s 0.2s ease both;
}
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 900;
  line-height: 1.0;
  color: var(--text-light);
  margin-bottom: 1.2rem;
  animation: fadeUp 0.8s 0.3s ease both;
}
.hero-name em {
  font-style: italic;
  color: var(--gold);
}
.hero-tagline {
  color: rgba(245,242,238,0.65);
  font-size: 1.05rem;
  max-width: 500px;
  margin-bottom: 2rem;
  font-weight: 300;
  animation: fadeUp 0.8s 0.4s ease both;
}
.hero-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 2.5rem;
  animation: fadeUp 0.8s 0.5s ease both;
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.stat-label {
  font-size: 0.72rem;
  color: rgba(245,242,238,0.5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.3rem;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  animation: fadeUp 0.8s 0.6s ease both;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(245,242,238,0.35);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}
.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, rgba(201,168,76,0.5), transparent);
  animation: scroll-drop 1.5s ease-in-out infinite;
}
@keyframes scroll-drop {
  0% { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* --- BUTTONS --- */
.btn-primary {
  display: inline-block;
  background: var(--gold);
  color: var(--bg);
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.3);
}
.btn-primary.full-width { width: 100%; text-align: center; }
.btn-outline {
  display: inline-block;
  border: 1px solid rgba(201,168,76,0.5);
  color: var(--gold);
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  transition: var(--transition);
}
.btn-outline:hover {
  background: rgba(201,168,76,0.1);
  border-color: var(--gold);
  transform: translateY(-2px);
}

/* --- SECTIONS --- */
.section { padding: 6rem 0; }
.section-dark { background: var(--bg); color: var(--text-light); }
.section-tinted { background: var(--bg-tinted); }
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.section-label.light { color: var(--gold); }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 3rem;
}
.section-title.light { color: var(--text-light); }
.section-title em {
  font-style: italic;
  color: var(--gold);
}

/* --- ABOUT --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: start;
}
.about-right p {
  margin-bottom: 1.2rem;
  color: #444;
  font-size: 1.02rem;
}
.about-right strong { color: var(--text-dark); }
.about-right em { font-style: italic; color: #555; }
.about-links {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-top: 1.8rem;
}
.about-link {
  font-size: 0.9rem;
  color: var(--gold);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
  display: inline-block;
}
.about-link:hover { border-color: var(--gold); }

/* --- SKILLS --- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.skill-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  transition: border-color var(--transition), transform var(--transition);
}
.skill-card:hover {
  border-color: rgba(201,168,76,0.5);
  transform: translateY(-4px);
}
.skill-icon { font-size: 2rem; margin-bottom: 1rem; }
.skill-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 1rem;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.skill-tags span {
  background: rgba(201,168,76,0.1);
  border: 1px solid var(--border);
  color: rgba(245,242,238,0.8);
  font-size: 0.72rem;
  padding: 0.25rem 0.65rem;
  border-radius: 100px;
  font-family: var(--font-mono);
}
.achievement-card .achievement-list { display: flex; flex-direction: column; gap: 0.7rem; }
.achievement {
  color: rgba(245,242,238,0.75);
  font-size: 0.85rem;
  padding-left: 0.5rem;
  border-left: 2px solid var(--gold);
  line-height: 1.4;
}

/* --- TIMELINE --- */
.timeline { position: relative; padding-left: 2.5rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold), rgba(201,168,76,0.1));
}
.timeline-item {
  position: relative;
  margin-bottom: 3rem;
}
.timeline-dot {
  position: absolute;
  left: -2.5rem;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold);
  border: 3px solid var(--bg-light);
  box-shadow: 0 0 0 2px var(--gold);
  transform: translateX(-5px);
}
.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--gold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.timeline-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.6rem 2rem;
  box-shadow: 0 2px 20px rgba(0,0,0,0.05);
  transition: box-shadow var(--transition);
}
.timeline-card:hover { box-shadow: 0 6px 30px rgba(0,0,0,0.1); }
.tl-header { margin-bottom: 1rem; }
.tl-header h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.3rem;
}
.tl-company {
  font-size: 0.85rem;
  color: var(--gold);
  font-weight: 500;
}
.tl-list { padding-left: 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.tl-list li {
  color: #555;
  font-size: 0.92rem;
  position: relative;
  padding-left: 0.8rem;
}
.tl-list li::before {
  content: '–';
  position: absolute;
  left: -0.2rem;
  color: var(--gold);
}

/* --- EDUCATION --- */
.edu-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.edu-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  position: relative;
  transition: box-shadow var(--transition);
}
.edu-card:hover { box-shadow: 0 8px 30px rgba(0,0,0,0.1); }
.edu-card.featured {
  border-color: var(--gold);
  background: linear-gradient(135deg, #fff 70%, #fdf8ef);
}
.edu-badge {
  display: inline-block;
  background: var(--gold);
  color: var(--bg);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.7rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}
.edu-badge.secondary {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
}
.edu-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.edu-institution { font-size: 0.83rem; color: var(--gold); font-weight: 500; margin-bottom: 0.4rem; }
.edu-year { font-size: 0.78rem; color: var(--text-muted); font-family: var(--font-mono); margin-bottom: 0.6rem; }
.edu-desc { font-size: 0.85rem; color: #666; line-height: 1.55; }
.certs-section { }
.certs-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}
.certs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.cert-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.4rem;
}
.cert-icon { font-size: 1.4rem; flex-shrink: 0; }
.cert-item div { display: flex; flex-direction: column; gap: 0.3rem; }
.cert-item strong { font-size: 0.88rem; }
.cert-status {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  padding: 0.15rem 0.5rem;
  border-radius: 100px;
  display: inline-block;
  width: fit-content;
}
.cert-status.in-progress { background: rgba(255,170,0,0.12); color: #b07d00; }
.cert-status.done { background: rgba(0,160,80,0.1); color: #007a35; }

/* --- DOCUMENTS --- */
.docs-intro {
  color: #555;
  font-size: 1.02rem;
  margin-bottom: 2.5rem;
  max-width: 560px;
}
.docs-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; margin-bottom: 2rem; }
.doc-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.doc-card:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
  border-color: var(--gold);
}
.doc-icon-wrap { }
.doc-icon { font-size: 2.5rem; }
.doc-info { flex: 1; }
.doc-info h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.doc-info p { font-size: 0.85rem; color: #666; margin-bottom: 0.5rem; }
.doc-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}
.doc-actions { display: flex; gap: 0.6rem; }
.doc-btn {
  flex: 1;
  text-align: center;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: var(--transition);
  cursor: pointer;
}
.doc-btn.view {
  background: var(--bg-tinted);
  color: var(--text-dark);
  border: 1px solid var(--border-light);
}
.doc-btn.view:hover { background: #e8e0d5; }
.doc-btn.download {
  background: var(--gold);
  color: var(--bg);
  border: 1px solid var(--gold);
}
.doc-btn.download:hover { background: var(--gold-light); }
.docs-note {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  background: var(--bg-tinted);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1rem 1.4rem;
}
.docs-note p { font-size: 0.85rem; color: #666; }
.docs-note a { color: var(--gold); text-decoration: underline; }

/* --- CONTACT --- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 5rem; align-items: start; }
.contact-desc { color: rgba(245,242,238,0.7); font-size: 1rem; margin-bottom: 2rem; line-height: 1.7; }
.contact-details { display: flex; flex-direction: column; gap: 1rem; }
.contact-item {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: background var(--transition), border-color var(--transition);
}
.contact-item:hover {
  background: rgba(201,168,76,0.05);
  border-color: rgba(201,168,76,0.4);
}
.ci-icon { font-size: 1.3rem; }
.contact-item div { display: flex; flex-direction: column; }
.contact-item strong { color: var(--text-light); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; }
.contact-item span { color: rgba(245,242,238,0.6); font-size: 0.88rem; }
.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(245,242,238,0.5);
  font-family: var(--font-mono);
}
.form-group input,
.form-group textarea {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.8rem 1rem;
  color: var(--text-light);
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: border-color var(--transition);
  resize: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(245,242,238,0.25); }
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
}
.form-note {
  font-size: 0.85rem;
  color: var(--gold);
  text-align: center;
  min-height: 1.2rem;
}

/* --- FOOTER --- */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.footer-logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--gold);
}
.footer p { color: rgba(245,242,238,0.4); font-size: 0.8rem; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: rgba(245,242,238,0.5); font-size: 0.8rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--gold); }

/* --- REVEAL ANIMATION --- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .edu-grid { grid-template-columns: 1fr 1fr; }
  .edu-card.featured { grid-column: span 2; }
}

@media (max-width: 768px) {
  #navbar { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero-content { flex-direction: column; text-align: center; gap: 2.5rem; padding-top: 2rem; }
  .hero-photo-wrap { width: 200px; height: 200px; }
  .hero-stats { justify-content: center; flex-wrap: wrap; gap: 1.5rem; }
  .hero-actions { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .skills-grid { grid-template-columns: 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
  .edu-card.featured { grid-column: span 1; }
  .certs-grid { grid-template-columns: 1fr; }
  .docs-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-inner { flex-direction: column; text-align: center; }
  .timeline { padding-left: 1.5rem; }
  .timeline-dot { left: -1.5rem; }
  .section { padding: 4rem 0; }
}

@media (max-width: 480px) {
  .hero-name { font-size: 2.6rem; }
  .doc-actions { flex-direction: column; }
}