:root {
  --deep:     #071318;
  --mid:      #0c1f28;
  --card:     #102130;
  --hover:    #163045;
  --teal:     #3ecfbe;
  --teal-dim: #1e8c80;
  --teal-glow:rgba(62,207,190,0.12);
  --moss:     #6db56a;
  --amber:    #e8a84a;
  --coral:    #e06b5a;
  --sky:      #5ab4d4;
  --text:     #d8eaf2;
  --sub:      #6fa0be;
  --muted:    #3d6070;
  --border:   #163045;
  --serif:    'Playfair Display', Georgia, serif;
  --sans:     'DM Sans', system-ui, sans-serif;
  --mono:     'DM Mono', monospace;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--deep);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.7;min-height:100vh;overflow-x:hidden}

/* NAV */
nav{position:sticky;top:0;z-index:100;background:rgba(7,19,24,0.95);backdrop-filter:blur(18px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 2.5rem;height:64px}
.nav-logo{font-family:var(--serif);font-size:1.05rem;font-weight:700;color:var(--teal);text-decoration:none;cursor:pointer;letter-spacing:0.02em}
.nav-links{display:flex;gap:1.75rem;list-style:none}
.nav-links a{color:var(--sub);text-decoration:none;font-size:0.78rem;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;transition:color .2s;padding-bottom:3px;border-bottom:2px solid transparent;cursor:pointer}
.nav-links a:hover,.nav-links a.active{color:var(--teal);border-bottom-color:var(--teal)}

/* PAGES */
.page{display:none}.page.active{display:block}

/* LAYOUT */
.container{max-width:1100px;margin:0 auto;padding:0 2rem}
section{padding:5rem 0}
.bg-mid{background:var(--mid)}

/* ===================== HERO ===================== */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;overflow:hidden;background:var(--deep)}

/* Grid pattern */
.hero::before{
  content:'';position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(62,207,190,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(62,207,190,.04) 1px,transparent 1px);
  background-size:52px 52px;pointer-events:none
}

/* Photo panel right side */
.hero-photo-panel{
  position:absolute;right:0;top:0;bottom:0;width:48%;
  overflow:hidden;
}
.hero-photo-panel img{
  width:100%;height:100%;object-fit:cover;object-position:center top;
  opacity:.55;display:block;
}
.hero-photo-panel::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to right, var(--deep) 0%, rgba(7,19,24,.3) 60%, transparent 100%);
}

/* Decorative accent bar */
.hero-accent-bar{
  position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(to bottom,transparent,var(--teal),var(--moss),transparent);
}

.hero-content{position:relative;z-index:2;max-width:620px}

.hero-eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--mono);font-size:.68rem;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;
  color:var(--teal);border:1px solid var(--teal-dim);
  padding:.4rem 1rem;border-radius:2px;margin-bottom:2rem;
  background:rgba(62,207,190,.05);
}
.hero-eyebrow::before{content:'';width:6px;height:6px;background:var(--teal);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}

.hero h1{
  font-family:var(--serif);
  font-size:clamp(2.8rem,5.5vw,4.8rem);
  font-weight:800;font-style:italic;
  letter-spacing:-.01em;line-height:1.05;
  color:#f0f8ff;margin-bottom:.5rem;
}
.hero h1 em{font-style:normal;color:var(--teal);}
.hero-rule{width:60px;height:3px;background:linear-gradient(to right,var(--teal),var(--moss));margin:1.25rem 0}
.hero-tagline{
  font-family:var(--mono);font-size:.75rem;letter-spacing:.15em;
  text-transform:uppercase;color:var(--sub);margin-bottom:1.25rem;
}
.hero-sub{
  font-family:var(--sans);font-size:1rem;color:var(--sub);
  max-width:480px;margin-bottom:2.5rem;line-height:1.85;font-weight:300;
}
.hero-ctas{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:3rem}

.hero-stats{
  display:flex;gap:0;
  border:1px solid var(--border);border-radius:4px;overflow:hidden;
  background:rgba(16,33,48,.6);backdrop-filter:blur(8px);
  width:fit-content;
}
.stat-item{
  padding:1.1rem 1.75rem;border-right:1px solid var(--border);
  text-align:center;
}
.stat-item:last-child{border-right:none}
.stat-item strong{display:block;font-family:var(--serif);font-size:1.75rem;font-weight:700;color:var(--teal);line-height:1}
.stat-item span{font-family:var(--mono);font-size:.62rem;color:var(--sub);text-transform:uppercase;letter-spacing:.1em}

/* ===== SECTION HEADER ===== */
.sh{margin-bottom:3rem}
.sh-label{
  font-family:var(--mono);font-size:.68rem;font-weight:500;
  letter-spacing:.2em;text-transform:uppercase;color:var(--teal);
  display:flex;align-items:center;gap:.75rem;margin-bottom:.8rem;
}
.sh-label::after{content:'';flex:1;max-width:36px;height:1px;background:var(--teal-dim)}
.sh h2{
  font-family:var(--serif);font-size:clamp(1.7rem,3vw,2.4rem);
  font-weight:700;color:#f0f8ff;letter-spacing:-.01em;line-height:1.15;
}
.sh p{font-family:var(--sans);color:var(--sub);margin-top:.75rem;max-width:560px;font-size:.95rem;line-height:1.8;font-weight:300}

/* ===== EXPERTISE CARDS — COLORÉES ===== */
.expertise-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.25rem}
.xcard{
  background:var(--card);border:1px solid var(--border);border-radius:6px;
  padding:2rem 1.75rem;position:relative;overflow:hidden;transition:transform .25s,box-shadow .25s;
  cursor:default;
}
.xcard:hover{transform:translateY(-4px);box-shadow:0 16px 48px rgba(0,0,0,.3)}
.xcard-stripe{position:absolute;top:0;left:0;right:0;height:3px}
.xcard:nth-child(1) .xcard-stripe{background:linear-gradient(to right,var(--teal),var(--sky))}
.xcard:nth-child(2) .xcard-stripe{background:linear-gradient(to right,var(--sky),var(--moss))}
.xcard:nth-child(3) .xcard-stripe{background:linear-gradient(to right,var(--moss),var(--teal))}
.xcard:nth-child(4) .xcard-stripe{background:linear-gradient(to right,var(--amber),var(--coral))}
.xcard:nth-child(5) .xcard-stripe{background:linear-gradient(to right,var(--coral),var(--sky))}
.xcard:nth-child(6) .xcard-stripe{background:linear-gradient(to right,var(--teal),var(--amber))}
.xcard-icon{font-size:1.8rem;margin-bottom:1rem;display:block}
.xcard h3{font-family:var(--sans);font-size:.95rem;font-weight:700;color:#f0f8ff;margin-bottom:.55rem}
.xcard p{font-family:var(--sans);font-size:.875rem;color:var(--sub);line-height:1.7;font-weight:300}

/* ===== PHOTO STRIP ===== */
.photo-strip{display:grid;grid-template-columns:1fr 1fr 1fr;height:320px;overflow:hidden}
.ps-item{position:relative;overflow:hidden}
.ps-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s;display:block}
.ps-item:hover img{transform:scale(1.07)}
.ps-badge{
  position:absolute;bottom:1rem;left:1rem;
  font-family:var(--mono);font-size:.65rem;letter-spacing:.12em;text-transform:uppercase;
  color:rgba(240,248,255,.9);background:rgba(7,19,24,.6);
  backdrop-filter:blur(6px);border:1px solid rgba(62,207,190,.3);
  padding:.35rem .75rem;border-radius:2px;
  transform:translateY(6px);opacity:0;transition:all .3s;
}
.ps-item:hover .ps-badge{opacity:1;transform:translateY(0)}

/* ===== REF LIST ===== */
.ref-list{display:flex;flex-direction:column;gap:.75rem}
.ref-item{
  background:var(--card);border:1px solid var(--border);
  border-left:3px solid var(--teal-dim);
  padding:1.2rem 1.5rem;border-radius:0 4px 4px 0;transition:all .2s;
}
.ref-item:hover{border-left-color:var(--teal);background:var(--hover)}
.ref-item .ref-meta{font-family:var(--mono);font-size:.68rem;color:var(--teal);letter-spacing:.08em;margin-bottom:.4rem}
.ref-item p{font-family:var(--sans);font-size:.9rem;color:var(--text);line-height:1.65;font-weight:300}
.ref-item p strong{font-weight:600;color:#f0f8ff}

/* ===== REF PAGE ===== */
.ref-category{
  font-family:var(--mono);font-size:.65rem;font-weight:500;
  letter-spacing:.2em;text-transform:uppercase;color:var(--teal);
  border-bottom:1px solid var(--border);padding-bottom:.5rem;margin:3rem 0 1.25rem;
}
.ref-category:first-child{margin-top:0}
.ref-item .ref-client{font-weight:600;color:#f0f8ff;font-family:var(--sans)}
.ref-item .ref-year{
  display:inline-block;font-family:var(--mono);font-size:.65rem;
  background:rgba(62,207,190,.08);color:var(--teal);
  border:1px solid var(--teal-dim);padding:.15rem .5rem;
  border-radius:2px;margin-right:.5rem;letter-spacing:.08em;
}

/* ===== PUBLICATIONS ===== */
.pub-year-group{margin-bottom:2.5rem}
.pub-year-label{
  font-family:var(--mono);font-size:.65rem;font-weight:500;
  letter-spacing:.2em;text-transform:uppercase;color:var(--teal);
  border-bottom:1px solid var(--border);padding-bottom:.5rem;margin-bottom:1rem;
}
.pub-item{padding:1rem 0;border-bottom:1px solid var(--border);display:flex;gap:1.25rem;align-items:flex-start}
.pub-item:last-child{border-bottom:none}
.pub-bullet{width:6px;height:6px;background:var(--teal-dim);border-radius:50%;flex-shrink:0;margin-top:.6rem}
.pub-item p{font-family:var(--sans);font-size:.875rem;color:var(--sub);line-height:1.7;font-weight:300}
.pub-item p strong{color:var(--text);font-weight:500}
.pub-item a{color:var(--teal);text-decoration:none;font-family:var(--mono);font-size:.75rem}
.pub-item a:hover{text-decoration:underline}

/* ===== ABOUT ===== */
.about-grid{display:grid;grid-template-columns:1fr 1.65fr;gap:4rem;align-items:start}
.about-sidebar{position:sticky;top:90px}
.profile-frame{
  width:100%;aspect-ratio:4/5;border-radius:6px;overflow:hidden;
  margin-bottom:1.75rem;position:relative;
  box-shadow:0 0 0 1px var(--border),0 20px 60px rgba(0,0,0,.4);
}
.profile-frame img{width:100%;height:100%;object-fit:cover;object-position:center top;display:block;transition:transform .5s}
.profile-frame:hover img{transform:scale(1.03)}
.profile-frame::after{
  content:'';position:absolute;bottom:0;left:0;right:0;height:35%;
  background:linear-gradient(transparent,rgba(7,19,24,.65));pointer-events:none;
}

/* Colored tags */
.skill-tags{display:flex;flex-wrap:wrap;gap:.45rem}
.tag{
  font-family:var(--mono);font-size:.65rem;padding:.3rem .7rem;border-radius:2px;
  letter-spacing:.05em;border:1px solid var(--border);background:var(--hover);color:var(--sub);
}
.tag.t-teal{background:rgba(62,207,190,.1);border-color:var(--teal-dim);color:var(--teal)}
.tag.t-moss{background:rgba(109,181,106,.1);border-color:rgba(109,181,106,.4);color:var(--moss)}
.tag.t-sky{background:rgba(90,180,212,.1);border-color:rgba(90,180,212,.4);color:var(--sky)}
.tag.t-amber{background:rgba(232,168,74,.1);border-color:rgba(232,168,74,.4);color:var(--amber)}

.about-content h3{
  font-family:var(--sans);font-size:.78rem;font-weight:700;color:#f0f8ff;
  margin:2.5rem 0 1rem;padding-bottom:.5rem;
  border-bottom:1px solid var(--border);letter-spacing:.08em;text-transform:uppercase;
}
.about-content h3:first-child{margin-top:0}
.about-content p{font-family:var(--sans);font-size:.95rem;color:var(--sub);margin-bottom:1rem;line-height:1.85;font-weight:300}
.about-content ul{list-style:none;margin-bottom:1rem}
.about-content ul li{
  font-family:var(--sans);font-size:.9rem;color:var(--sub);
  padding:.45rem 0 .45rem 1.5rem;position:relative;
  border-bottom:1px solid rgba(22,48,69,.7);font-weight:300;
}
.about-content ul li::before{content:'▸';position:absolute;left:0;color:var(--teal);font-size:.7rem}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1rem;margin-top:1.25rem}
.gallery-item{aspect-ratio:4/3;background:var(--card);border:1px solid var(--border);border-radius:4px;overflow:hidden;position:relative}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s;display:block}
.gallery-item:hover img{transform:scale(1.07)}
.gallery-caption{
  position:absolute;bottom:0;left:0;right:0;
  background:linear-gradient(transparent,rgba(7,19,24,.88));
  padding:2rem 1rem .85rem;
  font-family:var(--mono);font-size:.65rem;letter-spacing:.08em;
  color:rgba(216,234,242,.75);text-transform:uppercase;
  transform:translateY(100%);transition:transform .3s;
}
.gallery-item:hover .gallery-caption{transform:translateY(0)}

/* ===== CONTACT ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:4rem;align-items:start}
.contact-detail{
  display:flex;align-items:center;gap:1rem;margin-bottom:.85rem;
  padding:1rem 1.25rem;background:var(--card);border:1px solid var(--border);
  border-radius:4px;transition:border-color .2s;
}
.contact-detail:hover{border-color:var(--teal-dim)}
.contact-detail .icon{font-size:1.1rem;width:1.8rem;text-align:center}
.contact-detail .info-text{font-family:var(--sans);font-size:.875rem;color:var(--sub);font-weight:300}
.contact-detail .info-text strong{display:block;color:var(--text);font-family:var(--mono);font-size:.68rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;margin-bottom:.15rem}
.mission-tag{font-family:var(--sans);font-size:.83rem;color:var(--sub);padding:.6rem 1rem;background:var(--card);border:1px solid var(--border);border-radius:3px;font-weight:300}
.contact-form{display:flex;flex-direction:column;gap:1.25rem}
.form-group{display:flex;flex-direction:column;gap:.45rem}
.form-group label{font-family:var(--mono);font-size:.68rem;font-weight:500;text-transform:uppercase;letter-spacing:.1em;color:var(--sub)}
.form-group input,.form-group select,.form-group textarea{
  background:var(--card);border:1px solid var(--border);border-radius:3px;
  padding:.75rem 1rem;color:var(--text);font-family:var(--sans);font-size:.9rem;font-weight:300;
  transition:border-color .2s,box-shadow .2s;outline:none;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--teal-dim);box-shadow:0 0 0 3px rgba(62,207,190,.08)}
.form-group textarea{resize:vertical;min-height:140px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.8rem 2rem;font-family:var(--sans);font-size:.78rem;
  font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  border-radius:3px;cursor:pointer;text-decoration:none;transition:all .2s;border:none;
}
.btn-primary{background:var(--teal);color:#071318}
.btn-primary:hover{background:#5addd6;transform:translateY(-2px);box-shadow:0 8px 28px rgba(62,207,190,.25)}
.btn-outline{background:transparent;color:var(--teal);border:1px solid var(--teal-dim)}
.btn-outline:hover{background:var(--teal-glow);border-color:var(--teal);transform:translateY(-1px)}

/* ===== PAGE HERO ===== */
.page-hero{
  background:var(--deep);padding:4.5rem 0 3.5rem;
  border-bottom:1px solid var(--border);position:relative;overflow:hidden;
}
.page-hero::after{
  content:'';position:absolute;top:0;right:0;width:400px;height:100%;
  background:radial-gradient(ellipse at right,rgba(62,207,190,.05) 0%,transparent 70%);
  pointer-events:none;
}
.page-hero .hero-eyebrow{margin-bottom:1rem}
.page-hero h1{
  font-family:var(--serif);font-size:clamp(2rem,4vw,3rem);
  font-weight:700;color:#f0f8ff;letter-spacing:-.01em;margin-bottom:.75rem;
}
.page-hero p{font-family:var(--sans);color:var(--sub);font-size:.95rem;max-width:540px;line-height:1.8;font-weight:300}

/* ===== COLORED HIGHLIGHT BAND ===== */
.color-band{
  background:linear-gradient(135deg,#0d2a1e 0%,#0a1f2e 40%,#1a1508 100%);
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  padding:4rem 0;position:relative;overflow:hidden;
}
.color-band::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(circle at 20% 50%,rgba(109,181,106,.08) 0%,transparent 50%),
    radial-gradient(circle at 80% 50%,rgba(62,207,190,.06) 0%,transparent 50%);
}

/* ===== FOOTER ===== */
footer{background:var(--deep);border-top:1px solid var(--border);padding:3rem 0}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}
.footer-name{font-family:var(--serif);font-size:1rem;font-weight:700;color:var(--teal);font-style:italic}
.footer-sub{font-family:var(--mono);font-size:.65rem;color:var(--muted);margin-top:.2rem;letter-spacing:.06em}
.footer-links{display:flex;gap:1.5rem;list-style:none}
.footer-links a{color:var(--muted);text-decoration:none;font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;transition:color .2s;cursor:pointer}
.footer-links a:hover{color:var(--teal)}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
  nav{padding:0 1.25rem}.nav-links{gap:1rem}.nav-links a{font-size:.7rem}
  .container{padding:0 1.25rem}section{padding:3.5rem 0}
  .hero{min-height:auto;padding:5rem 0 3.5rem}.hero-photo-panel{opacity:.3}
  .hero-stats{flex-wrap:wrap;width:100%}.stat-item{flex:1;min-width:100px}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:2.5rem}
  .about-sidebar{position:static}
  .form-row{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;text-align:center}
  .footer-links{flex-wrap:wrap;justify-content:center}
  .gallery{grid-template-columns:1fr 1fr}
  .photo-strip{grid-template-columns:1fr;height:auto}.ps-item{height:200px}
}
@media(max-width:520px){.nav-links{display:none}.gallery{grid-template-columns:1fr}}