:root{
  --color-bg:            #0b1220;
  --color-bg-alt:        #0f1a30;
  --color-surface:       rgba(238, 233, 223, 0.05);
  --color-surface-solid: #121c33;
  --color-border:        rgba(238, 233, 223, 0.12);
  --color-text:          #eee9df;
  --color-text-muted:    #9aa2b6;
  --color-brass:         #c9a24b;
  --color-brass-strong:  #e0b968;
  --color-teal:          #31584f;
  --color-teal-strong:   #3f7267;

  --gradient-hero: radial-gradient(1200px 700px at 12% -10%, rgba(49,88,79,0.35), transparent 60%),
                    radial-gradient(900px 650px at 100% 0%, rgba(201,162,75,0.16), transparent 55%);
  --gradient-cta:  linear-gradient(135deg, var(--color-brass) 0%, var(--color-brass-strong) 100%);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

  --fs-h1:   clamp(2.2rem, 6vw, 4.4rem);
  --fs-h2:   clamp(1.7rem, 4vw, 2.6rem);
  --fs-h3:   clamp(1.15rem, 2.4vw, 1.4rem);
  --fs-body: clamp(0.95rem, 1.1vw, 1.05rem);
  --fs-small:clamp(0.8rem, 1vw, 0.875rem);

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5.5rem;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-soft: 0 10px 30px rgba(0,0,0,0.35);
  --shadow-lift: 0 20px 45px rgba(0,0,0,0.45);

  --ease: cubic-bezier(.2,.7,.2,1);
  --dur-fast: 0.25s;
  --dur-med:  0.5s;

  --container-max: 1240px;
  --nav-height: 76px;
}
*, *::before, *::after{ box-sizing: border-box; }
html{
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}
body{
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background var(--dur-med) var(--ease), color var(--dur-med) var(--ease);
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
button{ font: inherit; cursor: pointer; }
ul{ list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4{
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.1;
  margin: 0;
}
p{ margin: 0; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline: 2px solid var(--color-brass);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link{
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--color-brass);
  color: var(--color-bg);
  padding: 12px 18px;
  border-radius: 0 0 8px 0;
  z-index: 1000;
  font-weight: 600;
}
.skip-link:focus{
  left: 0;
  top: 0;
}

.container{
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}
.section{
  padding-block: var(--space-xl);
}
.section-head{
  max-width: 640px;
  margin-bottom: var(--space-lg);
}
.eyebrow{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-brass);
  margin-bottom: var(--space-sm);
}
.section-head h2{ font-size: var(--fs-h2); margin-bottom: var(--space-sm); }
.section-head p{ color: var(--color-text-muted); font-size: var(--fs-body); }

/* Buttons */
.btn{
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-3px); }
.btn:active{ transform: translateY(-1px); }

.btn-primary{
  background: var(--gradient-cta);
  color: #17110a;
  box-shadow: 0 8px 24px rgba(201,162,75,0.28);
}
.btn-primary:hover{ box-shadow: 0 14px 32px rgba(201,162,75,0.4); }

.btn-secondary{
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
  backdrop-filter: blur(8px);
}
.btn-secondary:hover{ border-color: var(--color-brass); color: var(--color-brass-strong); }

.btn-small{
  padding: 0.6rem 1.1rem;
  font-size: 0.85rem;
  width: 100%;
}

.btn .ripple{
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  transform: scale(0);
  pointer-events: none;
  animation: ripple 600ms ease-out forwards;
}
@keyframes ripple{
  to{ transform: scale(3.2); opacity: 0; }
}

/* Glass card base */
.glass{
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--radius-lg);
}

.reveal{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}

.navbar{
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-height);
  z-index: 100;
  display: flex;
  align-items: center;
  background: rgba(11, 18, 32, 0.65);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--dur-med) var(--ease);
}
[data-theme="light"] .navbar{ background: rgba(247, 245, 240, 0.75); }

.navbar.is-scrolled{
  box-shadow: var(--shadow-soft);
}

.navbar .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand{
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
}
.brand img{ width: 34px; height: 34px; border-radius: 8px; }
.brand b{ color: var(--color-brass); font-weight: 500; }

.nav-links{
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}
.nav-links a{
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding-block: 4px;
  transition: color var(--dur-fast) var(--ease);
}
.nav-links a::after{
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--color-brass);
  transition: width var(--dur-fast) var(--ease);
}
.nav-links a:hover,
.nav-links a[aria-current="page"]{ color: var(--color-text); }
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after{ width: 100%; }

.nav-actions{ display: flex; align-items: center; gap: var(--space-sm); }

.theme-toggle{
  position: relative;
  width: 52px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 3px;
}
.theme-toggle .knob{
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--color-brass);
  transition: transform var(--dur-fast) var(--ease);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px;
}
[data-theme="light"] .theme-toggle .knob{ transform: translateX(24px); }

.hamburger{
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 6px;
  background: transparent;
  border: none;
}
.hamburger span{
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}
.hamburger[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

.hero{
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  background: var(--gradient-hero), var(--color-bg);
  overflow: hidden;
}

.hero-bg{
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 40%, transparent 85%);
  opacity: 0.5;
}
.orb{
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
  animation: drift 16s ease-in-out infinite;
}
.orb-1{ width: 380px; height: 380px; background: var(--color-teal-strong); top: -80px; left: -60px; }
.orb-2{ width: 320px; height: 320px; background: var(--color-brass); bottom: -100px; right: -60px; animation-delay: -6s; }
.orb-3{ width: 220px; height: 220px; background: var(--color-teal); top: 40%; right: 20%; animation-delay: -10s; }

@keyframes drift{
  0%, 100%{ transform: translate(0,0) scale(1); }
  50%{ transform: translate(30px, -30px) scale(1.08); }
}

.hero .container{
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
  max-width: 820px;
}

.hero-tag{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-brass);
  padding: 8px 16px;
  border: 1px solid rgba(201,162,75,0.35);
  border-radius: 999px;
}
.hero-tag .dot{
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-brass);
  animation: pulse 2.4s infinite;
}
@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 rgba(201,162,75,0.55); }
  70%{ box-shadow: 0 0 0 8px rgba(201,162,75,0); }
  100%{ box-shadow: 0 0 0 0 rgba(201,162,75,0); }
}

.hero h1{
  font-size: var(--fs-h1);
  max-width: 14ch;
}
.hero h1 em{ font-style: italic; color: var(--color-brass); font-weight: 300; }

.hero p{
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--color-text-muted);
  max-width: 56ch;
}

.hero-actions{
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-xs);
}

.scroll-cue{
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  animation: bob 2.4s ease-in-out infinite;
}
@keyframes bob{
  0%, 100%{ transform: translate(-50%, 0); }
  50%{ transform: translate(-50%, 8px); }
}

.projects-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}

.project-card{
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  transition: transform var(--dur-med) var(--ease), border-color var(--dur-fast) var(--ease), box-shadow var(--dur-med) var(--ease);
}
.project-card:hover,
.project-card:focus-within{
  transform: translateY(-8px);
  border-color: rgba(201,162,75,0.4);
  box-shadow: var(--shadow-lift);
}

.project-icon{
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(201,162,75,0.18), rgba(49,88,79,0.22));
  color: var(--color-brass);
}
.project-icon img{ width: 26px; height: 26px; }

.project-card h3{ font-size: var(--fs-h3); }
.project-card p{
  color: var(--color-text-muted);
  font-size: 0.92rem;
  flex-grow: 1;
}

.project-card.is-placeholder{
  align-items: center;
  justify-content: center;
  text-align: center;
  border-style: dashed;
}
.project-card.is-placeholder .project-icon{ background: transparent; color: var(--color-text-muted); }

.about-grid{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-lg);
  align-items: center;
}
.about-copy p{ color: var(--color-text-muted); margin-bottom: var(--space-sm); }
.about-copy p:last-child{ margin-bottom: 0; }

.about-pillars{
  display: grid;
  gap: var(--space-sm);
}
.pillar{
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  align-items: flex-start;
}
.pillar .num{
  font-family: var(--font-mono);
  color: var(--color-brass);
  font-size: 0.85rem;
  margin-top: 3px;
}
.pillar h4{ font-size: 1rem; margin-bottom: 4px; }
.pillar p{ color: var(--color-text-muted); font-size: 0.88rem; }

.stats-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-md);
  text-align: center;
}
.stat-card{ padding: var(--space-lg) var(--space-sm); }
.stat-number{
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  color: var(--color-brass);
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}
.stat-label{
  margin-top: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.contact-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}
.contact-card{ padding: var(--space-lg); }
.contact-list{ display: grid; gap: var(--space-sm); margin-top: var(--space-sm); }
.contact-list a{
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-weight: 500;
  transition: color var(--dur-fast) var(--ease);
}
.contact-list a:hover{ color: var(--color-brass-strong); }

.social-row{
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.social-icon{
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.social-icon:hover{
  color: var(--color-brass);
  border-color: var(--color-brass);
  transform: translateY(-3px);
}
.social-icon svg{ width: 18px; height: 18px; }


/* Mobile nav drawer (≤ 860px) */
@media (max-width: 860px){
  .nav-links{
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-sm) clamp(1.25rem, 4vw, 2.5rem) var(--space-md);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease), visibility var(--dur-fast);
  }
  .nav-links.is-open{
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-links a{ padding-block: 12px; width: 100%; }
  .hamburger{ display: flex; }

  .about-grid,
  .contact-grid{ grid-template-columns: 1fr; }
  .footer-top{ grid-template-columns: 1fr; gap: var(--space-md); }
}

@media (max-width: 480px){
  .hero-actions .btn{ width: 100%; }
  .hero-actions{ flex-direction: column; }
}

@media (min-width: 1600px){
  :root{ --container-max: 1440px; }
}