/* ═══════════════════════════════════════════════════════════════
   ENGINEERED ADHERENCE — DESIGN SYSTEM
   Modern Minimalist · Premium Edition
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,wght@0,200;0,300;0,400;0,500;0,600;1,300&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&display=swap');

*{margin:0;padding:0;box-sizing:border-box}

/* ═══════════════════════════════════════════
   DARK MODE — VOLCANIC
   ═══════════════════════════════════════════ */
[data-theme="dark"]{
  --bg:#161616;
  --bg-warm:#1a1a1a;
  --bg-card:#1e1e1e;
  --bg-card-hover:#232323;
  --text:#e8e4de;
  --text-heading:#f0ece6;
  --muted:#9a9590;
  --faint:#6a665f;
  --line:rgba(232,228,222,0.06);
  --line-strong:rgba(232,228,222,0.12);
  --line-hover:rgba(232,228,222,0.18);
  --frost:rgba(22,22,22,0.85);
  --nav-bg:rgba(22,22,22,0.92);
  --btn-bg:transparent;
  --btn-text:#e8e4de;
  --btn-border:rgba(232,228,222,0.2);
  --btn-hover-bg:rgba(232,228,222,0.05);
  --btn-hover-border:rgba(232,228,222,0.4);
  --cta-bg:transparent;
  --cta-text:#e8e4de;
  --cta-border:rgba(232,228,222,0.2);
  --cta-hover:rgba(232,228,222,0.06);
  --accent:rgba(232,228,222,0.08);
  --accent-solid:#7a756f;
  --glass-top:#3A3A3A;
  --glass-mid:#2E2E2E;
  --glass-bot:#262626;
  --glass-stroke:#444;
  --cap-fill:#444;
  --cap-stroke:#555;
  --cap-top:#4A4A4A;
  --neck-fill:#3A3A3A;
  --neck-stroke:#4A4A4A;
  --glass-sheen:rgba(255,255,255,0.03);
  --glass-highlight:rgba(255,255,255,0.06);
  --label-bg:rgba(28,28,28,0.7);
  --label-border:rgba(212,208,202,0.06);
  --label-text:#5A5856;
  --label-sub:#787470;
  --liq1-top:#A09C96;--liq1-bot:#787470;
  --liq2-top:#969290;--liq2-bot:#706C68;
  --liq3-top:#9C9894;--liq3-bot:#74706C;
  --liq-opacity:.82;
  --shadow-vial:drop-shadow(0 6px 28px rgba(0,0,0,0.5)) drop-shadow(0 2px 8px rgba(0,0,0,0.4));
  --shadow-vial-hover:drop-shadow(0 14px 40px rgba(0,0,0,0.6)) drop-shadow(0 4px 12px rgba(120,116,112,0.08));
  --shadow-card:0 16px 48px rgba(0,0,0,0.3), 0 4px 12px rgba(0,0,0,0.2);
  --shadow-card-subtle:0 8px 24px rgba(0,0,0,0.15);
  --circle-border:rgba(232,228,222,0.03);
  --reflect-opacity:.04;
  --fog1:rgba(120,116,112,0.04);
  --fog2:rgba(120,116,112,0.02);
  --fog3:rgba(120,116,112,0.015);
  --toggle-bg:rgba(232,228,222,0.08);
  --toggle-knob:#e8e4de;
  --pillar-num:rgba(232,228,222,0.03);
  --stat-num:#f0ece6;
  --divider-gradient:linear-gradient(90deg,transparent,rgba(232,228,222,0.08),transparent);
  --tag-bg:rgba(232,228,222,0.06);
  --tag-text:#6a655f;
  --cta-band-bg:rgba(26,26,26,0.6);
  --input-bg:#1a1a1a;
}

/* ═══════════════════════════════════════════
   LIGHT MODE — PLATINUM
   ═══════════════════════════════════════════ */
[data-theme="light"]{
  --bg:#f2f3f5;
  --bg-warm:#f5f6f8;
  --bg-card:rgba(255,255,255,0.8);
  --bg-card-hover:rgba(255,255,255,0.95);
  --text:#1a1c22;
  --text-heading:#0a0b0d;
  --muted:#4a4e58;
  --faint:#6e7280;
  --line:rgba(0,0,0,0.07);
  --line-strong:rgba(0,0,0,0.12);
  --line-hover:rgba(0,0,0,0.18);
  --frost:rgba(242,243,245,0.88);
  --nav-bg:rgba(242,243,245,0.94);
  --btn-bg:transparent;
  --btn-text:#1a1c22;
  --btn-border:rgba(26,28,34,0.25);
  --btn-hover-bg:rgba(26,28,34,0.05);
  --btn-hover-border:rgba(26,28,34,0.5);
  --cta-bg:transparent;
  --cta-text:#1a1c22;
  --cta-border:rgba(26,28,34,0.25);
  --cta-hover:rgba(26,28,34,0.05);
  --accent:rgba(26,28,34,0.05);
  --accent-solid:#50545e;
  --glass-top:#F0F0F2;
  --glass-mid:#E4E4E8;
  --glass-bot:#CCCCD2;
  --glass-stroke:#B8B8BE;
  --cap-fill:#B8B8BE;
  --cap-stroke:#A0A0A8;
  --cap-top:#C4C4CA;
  --neck-fill:#E4E4E8;
  --neck-stroke:#B8B8BE;
  --glass-sheen:rgba(255,255,255,0.12);
  --glass-highlight:rgba(255,255,255,0.35);
  --label-bg:rgba(240,240,242,0.9);
  --label-border:rgba(0,0,0,0.08);
  --label-text:#5C606A;
  --label-sub:#1C1E24;
  --liq1-top:#2A2C34;--liq1-bot:#1C1E24;
  --liq2-top:#24262E;--liq2-bot:#14161C;
  --liq3-top:#282A32;--liq3-bot:#1A1C22;
  --liq-opacity:.9;
  --shadow-vial:drop-shadow(0 8px 24px rgba(0,0,0,0.12)) drop-shadow(0 2px 8px rgba(0,0,0,0.08));
  --shadow-vial-hover:drop-shadow(0 12px 36px rgba(0,0,0,0.16)) drop-shadow(0 4px 12px rgba(0,0,0,0.06));
  --shadow-card:0 16px 48px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-card-subtle:0 8px 24px rgba(0,0,0,0.05);
  --circle-border:rgba(0,0,0,0.04);
  --reflect-opacity:.1;
  --fog1:rgba(255,255,255,0.5);
  --fog2:rgba(0,0,0,0.02);
  --fog3:rgba(255,255,255,0.2);
  --toggle-bg:rgba(26,28,34,0.1);
  --toggle-knob:#1a1c22;
  --pillar-num:rgba(26,28,34,0.035);
  --stat-num:#0f1014;
  --divider-gradient:linear-gradient(90deg,transparent,rgba(0,0,0,0.08),transparent);
  --tag-bg:rgba(26,28,34,0.06);
  --tag-text:#5a5e68;
  --cta-band-bg:rgba(230,232,236,0.6);
  --input-bg:rgba(255,255,255,0.75);
}

/* ═══════════════════════════════════════════
   THEME FLASH PREVENTION
   ═══════════════════════════════════════════ */
html:not([data-theme]){visibility:hidden}
html[data-theme]{visibility:visible}

/* ═══════════════════════════════════════════
   BASE
   ═══════════════════════════════════════════ */
html{
  scroll-behavior:smooth;
  font-size:16px;
}

body{
  background:var(--bg);
  color:var(--text);
  font-family:'DM Sans',sans-serif;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  transition:background .5s ease,color .5s ease;
  line-height:1.6;
}

body::before{
  content:'';position:fixed;inset:0;
  background:
    radial-gradient(ellipse at 50% 20%,var(--fog1),transparent 60%),
    radial-gradient(ellipse at 80% 80%,var(--fog2),transparent 50%),
    radial-gradient(ellipse at 15% 75%,var(--fog3),transparent 45%);
  pointer-events:none;z-index:0;
  transition:background .5s ease;
}

a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:var(--text-heading)}

/* ═══════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════ */
nav{
  position:fixed;top:0;left:0;right:0;
  display:flex;justify-content:space-between;align-items:center;
  padding:0 72px;height:72px;z-index:100;
  background:var(--nav-bg);
  backdrop-filter:blur(32px);-webkit-backdrop-filter:blur(32px);
  border-bottom:1px solid var(--line);
  transition:background .5s ease,border-color .5s ease;
}

.logo{
  font-family:'Playfair Display',serif;
  font-size:17px;font-weight:500;letter-spacing:0.02em;
  color:var(--text-heading);transition:all .3s;
}
.logo:hover{opacity:.7}

.nav-center{display:flex;gap:48px;list-style:none;align-items:center}
.nav-center a{
  color:var(--faint);
  font-size:11px;letter-spacing:2px;font-weight:400;
  text-transform:uppercase;transition:all .3s;
  position:relative;padding:4px 0;
}
.nav-center a::after{
  content:'';position:absolute;bottom:0;left:0;right:0;
  height:1px;background:var(--text-heading);
  transform:scaleX(0);transform-origin:right;
  transition:transform .4s cubic-bezier(0.4,0,0.2,1);
}
.nav-center a:hover{color:var(--text-heading)}
.nav-center a:hover::after{transform:scaleX(1);transform-origin:left}
.nav-center a.active{color:var(--text-heading)}
.nav-center a.active::after{transform:scaleX(1)}

.nav-right{display:flex;align-items:center;gap:24px}

.nav-cta{
  padding:11px 32px;
  background:var(--cta-bg);border:1px solid var(--cta-border);
  color:var(--cta-text);font-size:10px;
  letter-spacing:2.2px;text-transform:uppercase;font-weight:400;
  transition:all .3s cubic-bezier(0.4,0,0.2,1);
}
.nav-cta:hover{background:var(--cta-hover);border-color:var(--btn-hover-border)}
.nav-cta:active{transform:scale(0.98);transition:transform .1s}

/* Theme Toggle */
.theme-toggle{
  width:48px;height:26px;
  background:var(--toggle-bg);border-radius:13px;border:none;cursor:pointer;
  position:relative;transition:background .3s;flex-shrink:0;
}
.theme-toggle::after{
  content:'';position:absolute;top:4px;left:4px;
  width:18px;height:18px;border-radius:50%;
  background:var(--toggle-knob);
  transition:transform .4s cubic-bezier(0.4,0,0.2,1),background .3s;
}
[data-theme="light"] .theme-toggle::after{transform:translateX(22px)}

/* ═══════════════════════════════════════════
   TYPOGRAPHY
   ═══════════════════════════════════════════ */
.section{
  padding:120px 72px;
  max-width:1140px;
  margin:0 auto;
  position:relative;
  z-index:1;
}

.section-label{
  font-size:10px;letter-spacing:4.5px;text-transform:uppercase;
  color:var(--faint);font-weight:400;margin-bottom:24px;
  transition:color .5s;display:flex;align-items:center;gap:14px;
}
.section-label::before{
  content:'';width:24px;height:1px;background:var(--faint);opacity:.6;
}

.section-title{
  font-family:'Playfair Display',serif;
  font-size:42px;font-weight:500;
  line-height:1.18;margin-bottom:24px;
  color:var(--text-heading);transition:color .5s;
  letter-spacing:-0.01em;
}

.section-body{
  font-size:15px;line-height:1.9;
  color:var(--muted);font-weight:300;
  transition:color .5s;
  letter-spacing:0.01em;
}

/* ═══════════════════════════════════════════
   PAGE HERO (interior pages)
   ═══════════════════════════════════════════ */
.page-hero{
  padding:200px 72px 120px;
  max-width:1140px;
  margin:0 auto;
  position:relative;z-index:1;
}
.page-hero .section-label{margin-bottom:28px}
.page-hero .section-title{
  font-size:56px;margin-bottom:28px;
  letter-spacing:-0.02em;
}
.page-hero .section-body{
  max-width:600px;font-size:16px;line-height:2;
}

/* ═══════════════════════════════════════════
   LAYOUT COMPONENTS
   ═══════════════════════════════════════════ */
.divider{
  max-width:1140px;margin:0 auto;padding:0 72px;
  position:relative;z-index:1;
}
.divider-line{height:1px;background:var(--divider-gradient)}

.two-col{
  display:grid;grid-template-columns:1fr 1fr;
  gap:100px;align-items:start;
}

.three-col{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:16px;
}

/* ═══════════════════════════════════════════
   CARD SYSTEM
   ═══════════════════════════════════════════ */
.card{
  background:var(--bg-card);
  border:1px solid var(--line);
  padding:40px 32px;
  transition:all .5s cubic-bezier(0.4,0,0.2,1);
  position:relative;overflow:hidden;
}
.card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent-solid),transparent);
  transform:scaleX(0);transition:transform .5s cubic-bezier(0.4,0,0.2,1);
  opacity:0.6;
}
.card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-card-subtle);
  border-color:var(--line-strong);
  background:var(--bg-card-hover);
}
.card:hover::before{transform:scaleX(1)}

.card h3{
  font-family:'Playfair Display',serif;
  font-size:18px;font-weight:500;
  margin-bottom:12px;color:var(--text-heading);
  transition:color .5s;letter-spacing:0.01em;
}
.card p{
  font-size:13px;color:var(--muted);
  line-height:1.75;font-weight:300;
  transition:color .5s;
}

.card-tag{
  display:inline-block;font-size:9px;
  letter-spacing:2.2px;text-transform:uppercase;
  color:var(--tag-text);padding:5px 12px;
  background:var(--tag-bg);
  margin-bottom:16px;transition:all .5s;
  border:1px solid var(--line);
}

/* Large card variant */
.card-lg{padding:52px 44px}
.card-lg h3{font-size:24px;margin-bottom:16px}
.card-lg p{font-size:15px;line-height:1.85}

/* ═══════════════════════════════════════════
   STAT SYSTEM
   ═══════════════════════════════════════════ */
.stat-row{display:flex;gap:56px;margin-top:56px}
.stat{text-align:left}
.stat-num{
  font-family:'Playfair Display',serif;
  font-size:52px;font-weight:500;
  color:var(--stat-num);transition:color .5s;
  line-height:1;letter-spacing:-0.02em;
  white-space:nowrap;
}
.stat-label{
  font-size:10px;letter-spacing:2.5px;text-transform:uppercase;
  color:var(--faint);margin-top:10px;transition:color .5s;
}

.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat-card{
  background:var(--bg-card);border:1px solid var(--line);
  padding:40px 32px;text-align:left;
  transition:all .5s cubic-bezier(0.4,0,0.2,1);
}
.stat-card:hover{
  border-color:var(--line-strong);
  background:var(--bg-card-hover);
  transform:translateY(-4px);
  box-shadow:var(--shadow-card-subtle);
}
.stat-card .val{
  font-family:'Playfair Display',serif;
  font-size:44px;font-weight:500;
  color:var(--stat-num);transition:color .5s;
  line-height:1;letter-spacing:-0.02em;
  white-space:nowrap;
}
.stat-card .label{
  font-size:11px;color:var(--muted);
  letter-spacing:1.8px;margin-top:10px;
  text-transform:uppercase;transition:color .5s;
}

/* ═══════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════ */
.btn{
  display:inline-block;padding:16px 52px;
  background:var(--btn-bg);border:1px solid var(--btn-border);
  color:var(--btn-text);font-size:10px;
  letter-spacing:2.5px;text-transform:uppercase;font-weight:400;
  transition:all .4s cubic-bezier(0.4,0,0.2,1);
  cursor:pointer;
  position:relative;
}
.btn:hover{
  background:var(--btn-hover-bg);
  border-color:var(--btn-hover-border);
  transform:translateY(-2px);
}
.btn:active{
  transform:translateY(0);
  transition:transform .1s;
}

.btn-lg{padding:18px 56px;font-size:11px}

/* Secondary — always ghost outline both modes */
.btn-ghost{
  background:transparent !important;
  border:1px solid var(--btn-border) !important;
  color:var(--text) !important;
}
.btn-ghost:hover{
  background:var(--btn-hover-bg) !important;
  border-color:var(--btn-hover-border) !important;
}

/* ═══════════════════════════════════════════
   CTA BAND
   ═══════════════════════════════════════════ */
.cta-band{
  text-align:center;padding:120px 72px;
  position:relative;z-index:1;
}
.cta-band::before{
  content:'';position:absolute;inset:0;
  background:var(--cta-band-bg);pointer-events:none;
}
.cta-band>*{position:relative;z-index:1}
.cta-band .section-label{justify-content:center}
.cta-band .section-label::before{display:none}
.cta-band .section-title{margin-bottom:16px}
.cta-band .section-body{max-width:480px;margin:0 auto 40px}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
footer{
  padding:56px 72px;
  max-width:1140px;margin:0 auto;
  position:relative;z-index:1;
}
.footer-inner{
  display:flex;justify-content:space-between;align-items:flex-start;
}
.footer-brand .logo{margin-bottom:14px;display:inline-block}
.footer-brand p{
  font-size:13px;color:var(--faint);font-weight:300;
  max-width:300px;line-height:1.8;transition:color .5s;
}
.footer-links{display:flex;gap:64px}
.footer-col h4{
  font-size:10px;letter-spacing:2.5px;text-transform:uppercase;
  color:var(--faint);font-weight:400;margin-bottom:18px;transition:color .5s;
}
.footer-col a{
  display:block;font-size:14px;color:var(--muted);
  margin-bottom:10px;transition:all .3s;font-weight:300;
}
.footer-col a:hover{color:var(--text-heading)}

.footer-bottom{
  margin-top:48px;padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;
  transition:border-color .5s;
}
.footer-bottom span{
  font-size:12px;color:var(--faint);
  font-weight:300;letter-spacing:.5px;transition:color .5s;
}

/* ═══════════════════════════════════════════
   SCROLL REVEAL
   ═══════════════════════════════════════════ */
.reveal{
  opacity:0;transform:translateY(32px);
  transition:opacity .8s cubic-bezier(0.4,0,0.2,1),transform .8s cubic-bezier(0.4,0,0.2,1);
}
.reveal.visible{opacity:1;transform:translateY(0)}

.stagger-children .stagger-item{
  opacity:0;transform:translateY(24px);
  transition:opacity .6s cubic-bezier(0.4,0,0.2,1),transform .6s cubic-bezier(0.4,0,0.2,1);
}
.stagger-children.visible .stagger-item{opacity:1;transform:translateY(0)}
.stagger-children.visible .stagger-item:nth-child(1){transition-delay:.05s}
.stagger-children.visible .stagger-item:nth-child(2){transition-delay:.1s}
.stagger-children.visible .stagger-item:nth-child(3){transition-delay:.15s}
.stagger-children.visible .stagger-item:nth-child(4){transition-delay:.2s}
.stagger-children.visible .stagger-item:nth-child(5){transition-delay:.25s}
.stagger-children.visible .stagger-item:nth-child(6){transition-delay:.3s}
.stagger-children.visible .stagger-item:nth-child(7){transition-delay:.35s}
.stagger-children.visible .stagger-item:nth-child(8){transition-delay:.4s}
.stagger-children.visible .stagger-item:nth-child(9){transition-delay:.45s}
.stagger-children.visible .stagger-item:nth-child(10){transition-delay:.5s}

/* ═══════════════════════════════════════════
   TABLE
   ═══════════════════════════════════════════ */
.data-table{width:100%;border-collapse:collapse;margin-top:40px}
.data-table th{
  text-align:left;font-size:10px;letter-spacing:2px;text-transform:uppercase;
  color:var(--faint);font-weight:400;padding:14px 18px;
  border-bottom:1px solid var(--line-strong);transition:all .5s;
}
.data-table td{
  font-size:14px;color:var(--muted);font-weight:300;padding:18px;
  border-bottom:1px solid var(--line);transition:all .5s;
}
.data-table tr:hover td{color:var(--text);background:var(--bg-card)}

/* ═══════════════════════════════════════════
   TIMELINE
   ═══════════════════════════════════════════ */
.timeline{position:relative;padding-left:56px}
.timeline::before{
  content:'';position:absolute;left:18px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,var(--line-strong),var(--line),transparent);
}
.timeline-item{position:relative;padding-bottom:64px}
.timeline-item:last-child{padding-bottom:0}
.timeline-dot{
  position:absolute;left:-46px;top:8px;width:12px;height:12px;
  border:2px solid var(--accent-solid);background:var(--bg);
  border-radius:50%;transition:all .4s cubic-bezier(0.4,0,0.2,1);
}
.timeline-item:hover .timeline-dot{
  background:var(--accent-solid);
  transform:scale(1.2);
}
.timeline-phase{
  font-size:10px;letter-spacing:3.5px;text-transform:uppercase;
  color:var(--faint);margin-bottom:10px;transition:color .5s;
}
.timeline-title{
  font-family:'Playfair Display',serif;
  font-size:24px;font-weight:500;
  color:var(--text-heading);margin-bottom:12px;
  transition:color .5s;letter-spacing:0.01em;
}
.timeline-body{
  font-size:14px;color:var(--muted);
  line-height:1.85;font-weight:300;margin-bottom:20px;
  max-width:580px;transition:color .5s;
}
.timeline-list{list-style:none;padding:0}
.timeline-list li{
  font-size:13px;color:var(--muted);line-height:1.75;font-weight:300;
  padding:5px 0;padding-left:18px;position:relative;transition:color .5s;
}
.timeline-list li::before{
  content:'';position:absolute;left:0;top:12px;
  width:8px;height:1px;background:var(--faint);
}

/* ═══════════════════════════════════════════
   FORM
   ═══════════════════════════════════════════ */
.form-group{margin-bottom:28px}
.form-group label{
  display:block;font-size:10px;letter-spacing:2.2px;text-transform:uppercase;
  color:var(--faint);font-weight:400;margin-bottom:10px;transition:color .5s;
}
.form-group input,.form-group textarea,.form-group select{
  width:100%;padding:16px 18px;
  background:var(--input-bg);border:1px solid var(--line);
  color:var(--text);font-family:'DM Sans',sans-serif;
  font-size:15px;font-weight:300;
  transition:all .4s cubic-bezier(0.4,0,0.2,1);
  outline:none;appearance:none;-webkit-appearance:none;
}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{
  border-color:var(--line-hover);background:var(--bg-card-hover);
  box-shadow:0 0 0 3px var(--accent);
}
.form-group input::placeholder,.form-group textarea::placeholder{
  color:var(--faint);opacity:0.7;
}
.form-group textarea{resize:vertical;min-height:160px}
.form-group select{
  cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238a8580' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 18px center;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:24px}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media(max-width:1024px){
  nav{padding:0 40px;height:68px}
  .section,.page-hero{padding-left:40px;padding-right:40px}
  .page-hero{padding-top:160px;padding-bottom:100px}
  .page-hero .section-title{font-size:44px}
  .three-col{grid-template-columns:1fr 1fr}
  .stat-grid{grid-template-columns:1fr 1fr}
  .cta-band{padding:100px 40px}
  .divider{padding:0 40px}
  footer{padding:48px 40px}
  .two-col{gap:64px}
}

/* ═══════════════════════════════════════════
   MOBILE NAVIGATION
   ═══════════════════════════════════════════ */
.mobile-menu-btn{
  display:none;
  width:44px;height:44px;
  background:transparent;border:none;cursor:pointer;
  position:relative;z-index:200;
  flex-shrink:0;
}
.mobile-menu-btn span{
  display:block;width:22px;height:1.5px;
  background:var(--text-heading);
  position:absolute;left:50%;
  transform:translateX(-50%);
  transition:all .3s cubic-bezier(0.4,0,0.2,1);
}
.mobile-menu-btn span:nth-child(1){top:14px}
.mobile-menu-btn span:nth-child(2){top:21px}
.mobile-menu-btn span:nth-child(3){top:28px}

.mobile-menu-btn.active span:nth-child(1){
  top:21px;transform:translateX(-50%) rotate(45deg);
}
.mobile-menu-btn.active span:nth-child(2){
  opacity:0;transform:translateX(-50%) scaleX(0);
}
.mobile-menu-btn.active span:nth-child(3){
  top:21px;transform:translateX(-50%) rotate(-45deg);
}

.mobile-nav{
  position:fixed;
  top:0;right:0;
  width:100%;max-width:380px;height:100vh;
  background:var(--bg);
  z-index:150;
  padding:100px 40px 40px;
  transform:translateX(100%);
  transition:transform .4s cubic-bezier(0.4,0,0.2,1);
  overflow-y:auto;
  border-left:1px solid var(--line);
}
.mobile-nav.active{transform:translateX(0)}

.mobile-nav-overlay{
  position:fixed;inset:0;
  background:rgba(0,0,0,0.5);
  z-index:140;
  opacity:0;visibility:hidden;
  transition:opacity .4s,visibility .4s;
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
}
.mobile-nav-overlay.active{opacity:1;visibility:visible}

.mobile-nav-links{list-style:none;margin-bottom:48px}
.mobile-nav-links li{
  border-bottom:1px solid var(--line);
}
.mobile-nav-links a{
  display:flex;justify-content:space-between;align-items:center;
  padding:20px 0;
  font-family:'Playfair Display',serif;
  font-size:24px;font-weight:500;
  color:var(--text-heading);
  transition:all .3s;
}
.mobile-nav-links a:hover{color:var(--muted);padding-left:8px}
.mobile-nav-links a::after{
  content:'→';font-family:'DM Sans',sans-serif;
  font-size:16px;color:var(--faint);
  transition:transform .3s;
}
.mobile-nav-links a:hover::after{transform:translateX(4px)}

.mobile-nav-cta{
  display:block;width:100%;
  padding:18px 32px;
  background:var(--cta-bg);border:1px solid var(--cta-border);
  color:var(--cta-text);
  font-size:11px;letter-spacing:2.2px;text-transform:uppercase;font-weight:400;
  text-align:center;
  transition:all .3s;
}
.mobile-nav-cta:hover{background:var(--cta-hover)}

.mobile-nav-footer{
  margin-top:auto;padding-top:48px;
  border-top:1px solid var(--line);
}
.mobile-nav-footer p{
  font-size:12px;color:var(--faint);
  line-height:1.8;margin-bottom:16px;
}

/* Mobile Theme Switch with Sun/Moon Icons */
.mobile-theme-switch{
  display:flex;align-items:center;gap:14px;
  justify-content:center;
}
.theme-icon{
  width:20px;height:20px;
  color:var(--faint);
  transition:color .3s ease,opacity .3s ease;
}
.theme-icon-sun{opacity:0.4}
.theme-icon-moon{opacity:1}
[data-theme="light"] .theme-icon-sun{opacity:1}
[data-theme="light"] .theme-icon-moon{opacity:0.4}

.theme-toggle-track{
  width:52px;height:28px;
  background:var(--toggle-bg);
  border-radius:14px;border:none;cursor:pointer;
  position:relative;transition:background .3s;
  padding:0;
}
.theme-toggle-knob{
  position:absolute;top:4px;left:4px;
  width:20px;height:20px;border-radius:50%;
  background:var(--toggle-knob);
  transition:transform .4s cubic-bezier(0.4,0,0.2,1),background .3s;
}
[data-theme="light"] .theme-toggle-knob{
  transform:translateX(24px);
}

/* Keep old class for desktop nav */
.mobile-nav-theme{
  display:flex;align-items:center;gap:12px;
  font-size:11px;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--muted);
}

@media(max-width:768px){
  .mobile-menu-btn{display:block}
  nav{padding:0 24px;height:64px}
  .nav-center{display:none}
  .section,.page-hero{padding-left:24px;padding-right:24px}
  .page-hero{padding-top:140px;padding-bottom:80px}
  .page-hero .section-title{font-size:36px}
  .section{padding-top:80px;padding-bottom:80px}
  .section-title{font-size:32px}
  .two-col{grid-template-columns:1fr;gap:48px}
  .three-col{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .cta-band{padding:80px 24px}
  .stat-row{flex-direction:column;gap:32px}
  .stat-num{font-size:40px}
  .stat-card .val{font-size:36px}
  .footer-inner{flex-direction:column;gap:48px}
  .footer-links{gap:48px}
  .footer-bottom{flex-direction:column;gap:8px;align-items:flex-start}
  footer{padding:48px 24px}
  .divider{padding:0 24px}
  .form-row{grid-template-columns:1fr}
  .timeline{padding-left:40px}
  .timeline::before{left:14px}
  .timeline-dot{left:-34px}
  .card{padding:32px 24px}
  .card-lg{padding:40px 32px}
  .nav-cta{display:none}
  .nav-right{gap:16px}
}

/* Prevent body scroll when mobile menu is open */
body.menu-open{overflow:hidden}

@media(max-width:480px){
  .page-hero .section-title{font-size:28px}
  .section-title{font-size:26px}
  .btn,.nav-cta{padding:14px 36px;font-size:9px}
  .btn-lg{padding:16px 44px}
  .card h3{font-size:16px}
  .card-lg h3{font-size:20px}
  .stat-num{font-size:36px}
  .stat-card .val{font-size:32px}
}