/* ============================================================
   CASE-STUDY.CSS
   Shared styles for all case study pages.
   Requires: tokens.css, base.css
   ============================================================ */

/* ── THEME BRIDGE ── maps local case-study vars to sz theme tokens ── */

[data-theme="dark"] {
  --white:   #0A0908; --black:   #FFFFFF; --d80: #E8E4DC; --d70: #C8C4BC;
  --d50:     #7C7874; --d30:     #7C7874; --d15: #3A3834; --rule: #2A2826; --surface: #141210;
}
[data-theme="light"] {
  --white:   #F0EEEA; --black:   #0A0A0A; --d80: #1C1C1C; --d70: #3A3A3A;
  --d50:     #606060; --d30:     #6C6C6C; --d15: #C8C6C2; --rule: #DDDBD7; --surface: #F8F7F4;
}
[data-theme="dusk"] {
  --white:   #0C0818; --black:   #F2EEF8; --d80: #E0D8F0; --d70: #C4B8DC;
  --d50:     #9080B0; --d30:     #9080B0; --d15: #2E2248; --rule: #1E1632; --surface: #120A22;
}
[data-theme="dawn"] {
  --white:   #0D0F1A; --black:   #EEF0F8; --d80: #D8DCF0; --d70: #B8C0D8;
  --d50:     #7080A0; --d30:     #7080A0; --d15: #242A40; --rule: #181D2E; --surface: #111420;
}
html{scroll-behavior:smooth;overflow-x:hidden}
body{background:var(--bg);font-family:var(--sans);color:var(--text);overflow-x:hidden;cursor:none}


/* ── CURSOR ── */

.cursor{position:fixed;width:10px;height:10px;background:var(--black);border-radius:50%;pointer-events:none;z-index:9999;transform:translate(-50%,-50%);transition:width 0.3s var(--ease),height 0.3s var(--ease),background 0.3s}
.cursor-ring{position:fixed;width:36px;height:36px;border:1px solid var(--black);border-radius:50%;pointer-events:none;z-index:9998;transform:translate(-50%,-50%);transition:width 0.3s var(--ease),height 0.3s var(--ease),opacity 0.3s;opacity:0.5}
body.hovered .cursor{width:48px;height:48px;background:var(--black);mix-blend-mode:difference}
body.hovered .cursor-ring{opacity:0}


/* ── NAV ── */

nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:0 48px;height:64px;display:flex;align-items:center;justify-content:space-between;background:var(--panel-bg);backdrop-filter:blur(14px);border-bottom:1px solid var(--panel-border);transition:background var(--trans),border-color var(--trans)}
.nav-name{font-family:var(--mono);font-size:10px;font-weight:400;letter-spacing:0.18em;text-transform:uppercase;color:var(--text-low);text-decoration:none;cursor:none;transition:color var(--trans)}
.nav-back{font-family:var(--mono);font-size:10px;letter-spacing:0.14em;text-transform:uppercase;color:var(--text-low);text-decoration:none;cursor:none;display:flex;align-items:center;gap:8px;transition:color var(--trans)}
.nav-back:hover{color:var(--text)}
.nav-contact{font-family:var(--mono);font-size:10px;letter-spacing:0.1em;text-transform:uppercase;color:var(--btn2-text);background:transparent;border:1px solid var(--btn2-border);padding:7px 18px;text-decoration:none;cursor:none;transition:color var(--trans),border-color var(--trans),background var(--trans)}
.nav-contact:hover{background:var(--btn2-hover);color:var(--btn-text);border-color:var(--btn2-hover)}


/* ── PROGRESS ── */

.progress-bar{position:fixed;top:0;left:0;height:2px;background:var(--text);z-index:300;width:0%;transition:width 0.1s linear}


/* ── PROGRESS BAR ── */


/* ── PAGE ── */

.case-page{padding-top:64px}


/* ── HERO ── */

.case-hero{max-width:1100px;margin:0 auto;padding:80px 64px;border-bottom:1px solid var(--rule)}
.case-hero-row1{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:end;margin-bottom:48px}
.case-hero-row2{display:grid;grid-template-columns:auto 1fr;gap:48px;align-items:center;padding-top:32px;border-top:1px solid var(--rule)}
.case-hero-title{}
.case-hero-stats{display:flex;flex-direction:column;justify-content:flex-end;gap:16px}
.case-hero-meta-wrap{flex-shrink:0}
.case-hero-tags-wrap{}
.case-eyebrow{font-family:var(--mono);font-size:9px;letter-spacing:0.24em;text-transform:uppercase;color:var(--d30);margin-bottom:20px;display:flex;align-items:center;gap:12px}
.case-eyebrow::before{content:'';width:32px;height:1px;background:var(--d30)}
.case-title{font-family:var(--serif);font-size:clamp(32px,4.5vw,58px);font-weight:700;letter-spacing:-0.03em;line-height:0.95;color:var(--black);margin-bottom:14px}
.case-subtitle{font-family:var(--mono);font-size:10px;letter-spacing:0.16em;text-transform:uppercase;color:var(--d50)}
.case-hero-meta{display:flex;flex-direction:column;gap:6px;white-space:nowrap}
.case-hero-meta-row{display:flex;gap:16px;font-family:var(--mono);font-size:10px;color:var(--d50);letter-spacing:0.04em}
.case-hero-meta-label{color:var(--d30)}
.case-stat{border-left:2px solid var(--rule);padding-left:20px}
.case-stat-value{font-family:var(--serif);font-size:28px;font-weight:600;letter-spacing:-0.02em;color:var(--black);line-height:1}
.case-stat-label{font-family:var(--mono);font-size:9px;letter-spacing:0.14em;text-transform:uppercase;color:var(--d30);margin-top:4px}
.meta-tags{display:flex;flex-wrap:wrap;gap:6px}
.meta-tag{font-family:var(--mono);font-size:9.5px;font-weight:500;letter-spacing:0.06em;color:var(--d70);border:1px solid var(--rule);padding:4px 10px}


/* ── CASE STUDY PAGE ── */


/* ── SECTIONS ── */

.section{padding:80px 48px;max-width:780px;margin:0 auto}
.section-label{font-family:var(--mono);font-size:9px;letter-spacing:0.2em;text-transform:uppercase;color:var(--d30);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.section-label::after{content:'';flex:1;height:1px;background:var(--rule)}
.section-headline{font-family:var(--serif);font-size:16px;font-style:italic;font-weight:400;color:var(--d70);line-height:1.7;margin-bottom:28px;border-left:2px solid var(--d15);padding-left:20px}
.section-body{font-family:var(--sans);font-size:13px;font-weight:300;line-height:1.85;color:var(--d70)}
.section-body p{margin-bottom:16px}
.section-body p:last-child{margin-bottom:0}


/* ── SECTION ── */


.two-col{display:grid;grid-template-columns:1fr 1fr;gap:64px;margin-top:64px}
.two-col.asymmetric{grid-template-columns:3fr 2fr}


/* ── TWO COL ── */


/* ── CONSTRAINT LIST ── */

.constraint-list{list-style:none;display:flex;flex-direction:column;gap:16px;margin-bottom:24px}
.constraint-item{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:baseline}
.constraint-dot{width:5px;height:5px;border-radius:50%;background:var(--black);margin-top:5px;flex-shrink:0}
.constraint-title{font-family:var(--sans);font-size:12.5px;font-weight:600;color:var(--black);margin-bottom:3px}
.constraint-desc{font-family:var(--sans);font-size:12px;font-weight:300;color:var(--d70);line-height:1.6}


/* ── CONSTRAINTS ── */


/* ── DECISION LIST ── */

.decision-list{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.decision-item{font-family:var(--sans);font-size:12.5px;font-weight:300;color:var(--d70);line-height:1.65;padding:14px 16px;border:1px solid var(--rule);background:var(--surface)}
.decision-item strong{font-weight:600;color:var(--black)}


/* ── DECISIONS ── */


/* ── IMPACT GRID ── */

.impact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--rule);margin-bottom:24px}
.impact-cell{background:var(--white);padding:22px;font-family:var(--sans);font-size:12px;font-weight:300;color:var(--d70);line-height:1.65;position:relative;padding-left:30px}
.impact-cell::before{content:'→';position:absolute;left:14px;top:22px;font-size:10px;color:var(--d30)}


/* ── META TAGS ── */


/* ── IMAGES ── */

.case-images{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}
.case-img{width:100%;display:block;border:1px solid var(--rule);filter:grayscale(15%);transition:filter 0.3s}
.case-img:hover{filter:grayscale(0%)}
.case-img-wide{width:100%;display:block;border:1px solid var(--rule);margin:16px 0;filter:grayscale(15%);transition:filter 0.3s}
.case-img-wide:hover{filter:grayscale(0%)}
.frame-pair-caption{font-family:var(--mono);font-size:9px;letter-spacing:0.12em;text-transform:uppercase;color:var(--text-low);text-align:center;margin-top:-120px;padding-bottom:0;width:100%;max-width:450px}
.img-caption{font-family:var(--mono);font-size:9px;letter-spacing:0.1em;text-transform:uppercase;color:var(--d30);margin-top:20px;margin-bottom:16px}


/* ── DIVIDER ── */

.section-divider{border:none;border-top:1px solid var(--rule);max-width:850px;margin:0 auto}


/* ── REVEAL ── */

.reveal{opacity:0;transform:translateY(20px);transition:opacity 0.6s var(--ease),transform 0.6s var(--ease);will-change:opacity,transform}
.reveal.revealed{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:0.1s}
.reveal-delay-2{transition-delay:0.2s}


/* ── SCROLL REVEAL ── */


/* ── FOOTER ── */

footer{border-top:1px solid var(--rule);padding:24px 48px;display:flex;justify-content:space-between;align-items:center;margin-top:80px}
.footer-name{font-family:var(--mono);font-size:10px;font-weight:400;letter-spacing:0.18em;text-transform:uppercase;color:var(--text-low)}
.footer-copy{font-family:var(--mono);font-size:9px;letter-spacing:0.12em;text-transform:uppercase;color:var(--text-low)}


/* ── RESPONSIVE ── */

@media(max-width:860px){
  nav{padding:0 24px}
  .nav-contact{display:none}
  .nav-back{margin-left:auto}
  .case-hero{padding:60px 24px}
  .case-hero-row1{grid-template-columns:1fr;gap:24px}
  .case-hero-row2{grid-template-columns:1fr;gap:24px}
  .case-hero-stats{display:none}
  .case-hero-tags-wrap{display:none}
  .case-eyebrow{display:none}
  .section{padding:60px 24px}
  .two-col{grid-template-columns:1fr;gap:40px}
  .platform-grid{grid-template-columns:1fr}
  .impact-grid{grid-template-columns:1fr}
  
  .system-connector{padding:0 24px 24px}
  footer{padding:24px;flex-direction:column;gap:8px;text-align:center}
}



/* ── TOUCH: back button fixed bottom-right ── */

.touch-back {
  display:none;
  position:fixed; bottom:12px; right:12px;
  padding:5px 10px;
  font-family:var(--mono); font-size:10px; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--text-low); text-decoration:none;
  background:var(--panel-bg);
  border:1px solid var(--panel-border);
  backdrop-filter:blur(14px);
  border-radius:2px;
  z-index:100;
  transition:color var(--trans),background var(--trans),border-color var(--trans);
}
.touch-back:hover { color:var(--text) }
.is-touch .touch-back { display:flex; align-items:center }
.is-touch nav .nav-back { display:none }


/* ══════════════════════════════
   DEVICE FRAMES — image framing
   ══════════════════════════════ */


/* ── FRAMES LAYOUT ── */

.frames-section{padding:48px 48px 80px;max-width:850px;margin:0 auto}
.frames-grid{display:flex;flex-direction:column;gap:140px;align-items:center}
.frame-pair{display:flex;gap:64px;align-items:flex-start;justify-content:center;width:100%}
.frame-pair--flat{gap:20px}
.frame-pair--flat .frame-entry{flex:1;min-width:0}
.frame-entry{display:flex;flex-direction:column;align-items:center}
.frame-caption-wrap{opacity:1}


/* ── DELL LATITUDE 7275 — PORTRAIT ── */

.dell-wrap{position:relative;display:inline-block}
.dell-body{
  position:relative;
  background:linear-gradient(160deg, #2a2a2e 0%, #1a1a1c 40%, #111113 100%);
  border-radius:4% / 2.2%;
  padding:4.5% 3.6% 8.2% 3.6%;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    inset 0 -1px 0 rgba(255,255,255,0.04),
    inset 1px 0 0 rgba(255,255,255,0.05),
    inset -1px 0 0 rgba(255,255,255,0.03),
    0 1px 2px rgba(0,0,0,0.5),
    0 4px 12px rgba(0,0,0,0.35),
    0 12px 40px rgba(0,0,0,0.25),
    0 32px 80px rgba(0,0,0,0.15);
}
.dell-camera{position:absolute;top:4px;left:50%;transform:translateX(-50%);width:4px;height:4px;border-radius:50%;background:#0a0a0b;border:1px solid #333;box-shadow:0 0 0 1px rgba(255,255,255,0.05)}
.dell-screen{position:relative;width:100%;padding-bottom:177.78%;background:#ffffff;overflow:hidden;border-radius:1px;box-shadow:inset 0 0 0 1px rgba(0,0,0,0.15)}
.dell-screen img{position:absolute;top:0;left:0;width:100%;height:auto;display:block}
.dell-winbtn{position:absolute;bottom:6px;left:50%;transform:translateX(-50%);width:12px;height:12px;border-radius:2px;background:transparent;border:1px solid rgba(255,255,255,0.15);display:flex;align-items:center;justify-content:center}
.dell-winbtn::after{content:'';width:7px;height:7px;background:linear-gradient(to right, rgba(255,255,255,0.3) 50%, transparent 50%),linear-gradient(to bottom, rgba(255,255,255,0.3) 50%, transparent 50%);background-size:50% 50%;background-repeat:no-repeat;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:1px}
.dell-pins{position:absolute;bottom:2px;right:18px;display:flex;gap:2px;align-items:center}
.dell-pin{width:2px;height:5px;background:rgba(255,255,255,0.18);border-radius:1px}
.dell-vol{position:absolute;right:-2px;top:60px;display:flex;flex-direction:column;gap:4px}
.dell-vol-btn{width:2px;height:20px;background:linear-gradient(to right,#222,#333);border-radius:1px}
.dell-power{position:absolute;top:-2px;right:20px;width:20px;height:2px;background:linear-gradient(to bottom,#2a2a2e,#333);border-radius:1px}


/* ── DELL — large single portrait (max 650px) ── */

.dell-wrap-lg{position:relative;display:inline-block;width:100%;max-width:500px}
.dell-wrap-lg .dell-camera{width:6px;height:6px;top:6px}
.dell-wrap-lg .dell-power{width:32px;height:3px;right:32px;top:-3px}
.dell-wrap-lg .dell-vol{right:-3px;top:90px}
.dell-wrap-lg .dell-vol-btn{width:3px;height:30px}
.dell-wrap-lg .dell-winbtn{width:18px;height:18px;bottom:9px}
.dell-wrap-lg .dell-winbtn::after{width:11px;height:11px}
.dell-wrap-lg .dell-pins{right:28px;bottom:3px}
.dell-wrap-lg .dell-pin{width:3px;height:7px}


/* ── IPHONE 16e ── */


/* ── IPHONE SIZING WRAPPER ── */

.iphone-wrap{width:180px;max-width:100%}
@media(max-width:860px){.iphone-wrap{width:100%;max-width:260px}}
.device-iphone{
  position:relative;
  width:100%;
  border-radius:12% / 5.5%;
  background:linear-gradient(175deg,#111113 0%,#1c1c1e 50%,#2c2c2e 75%,#111113 100%);
  padding:5.5% 5%;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.12),
    inset 0 -1px 0 rgba(255,255,255,0.04),
    inset 1px 0 0 rgba(255,255,255,0.07),
    inset -1px 0 0 rgba(255,255,255,0.04),
    0 0 0 1px rgba(0,0,0,0.6),
    0 4px 12px rgba(0,0,0,0.4),
    0 16px 48px rgba(0,0,0,0.28),
    0 32px 80px rgba(0,0,0,0.16);
}
.iphone-notch{position:absolute;top:1px;left:50%;transform:translateX(-50%);width:38%;height:22px;background:#111113;border-radius:0 0 14px 14px;z-index:10;display:flex;align-items:center;justify-content:center;gap:7px;padding-top:2px}
.iphone-notch-camera{width:7px;height:7px;border-radius:50%;background:#0a0a0c;border:1px solid #222;box-shadow:inset 0 0 0 2px #1a1a1c}
.iphone-notch-speaker{width:32px;height:3px;border-radius:2px;background:#0a0a0c;border:1px solid #1e1e20}
.device-iphone::before{content:'';position:absolute;right:-2px;top:108px;width:3px;height:48px;background:linear-gradient(to right,#2a2a2c,#3a3a3c);border-radius:0 2px 2px 0;box-shadow:inset -1px 0 0 rgba(255,255,255,0.1)}
.device-iphone::after{content:'';position:absolute;left:-2px;top:82px;width:3px;height:30px;background:linear-gradient(to left,#2a2a2c,#3a3a3c);border-radius:2px 0 0 2px;box-shadow:inset 1px 0 0 rgba(255,255,255,0.1),0 44px 0 #2a2a2c,0 44px 0 0 #3a3a3c}
.iphone-screen{position:relative;width:100%;padding-bottom:216.67%;background:#000;overflow:hidden;border-radius:9% / 4.1%}
.iphone-screen img{position:absolute;top:0;left:0;width:100%;height:auto;display:block}


/* ── BROWSER ── */

.device-browser{border-radius:12px;background:#e8e6e2;box-shadow:0 0 0 1px #444,0 4px 12px rgba(0,0,0,0.12),0 16px 48px rgba(0,0,0,0.1);overflow:hidden}
.browser-chrome{height:46px;background:#e8e6e2;display:flex;align-items:center;padding:0 16px;gap:12px;border-bottom:1px solid #d0cec9}
.browser-dots{display:flex;gap:6px}
.browser-dot{width:11px;height:11px;border-radius:50%}
.browser-dot.red{background:#ff5f56}
.browser-dot.yellow{background:#ffbd2e}
.browser-dot.green{background:#27c93f}
.browser-urlbar{flex:1;height:26px;background:#fff;border-radius:5px;border:1px solid #d0cec9;display:flex;align-items:center;padding:0 10px;font-family:Helvetica,Arial,sans-serif;font-size:10px;color:var(--d50);letter-spacing:0.02em;gap:6px}
.browser-urlbar::before{content:'🔒';font-size:8px;opacity:0.5}
.browser-screen{width:100%;overflow:hidden;background:#fff}
.browser-screen img{width:100%;height:auto;display:block}


/* ── DESKTOP MONITOR ── */

.device-monitor-wrap{display:flex;flex-direction:column;align-items:center;width:100%}
.device-monitor{position:relative;border-radius:8px 8px 6px 6px;background:linear-gradient(160deg,#2a2a2a,#111);padding:12px 12px 18px 12px;box-shadow:0 0 0 1px #0a0a0a,0 4px 12px rgba(0,0,0,0.3),0 16px 48px rgba(0,0,0,0.2);width:100%}
.monitor-camera{position:absolute;top:5px;left:50%;transform:translateX(-50%);width:5px;height:5px;border-radius:50%;background:#1a1a1a;border:1px solid #333}
.monitor-screen{position:relative;width:100%;padding-bottom:56.25%;background:#000;overflow:hidden;border-radius:0 0 4px 4px}
.monitor-screen img{position:absolute;top:0;left:0;width:100%;height:auto;display:block}

@media(max-width:860px){
  .frames-section{padding-left:24px;padding-right:24px}
  .frame-pair{flex-direction:column;align-items:center}
  .frame-pair-caption{margin-top:-80px}
  .frame-pair:not(.frame-pair--flat) .frame-entry{width:100%;align-items:center}
  .frame-pair:not(.frame-pair--flat) .frame-persp{width:100%;display:flex;justify-content:center}
  .dell-wrap--pair{width:100% !important;max-width:500px}
  .frame-pair:not(.frame-pair--flat) .device-iphone{margin:0 auto}
  .frame-pair:not(.frame-pair--flat) .frame-pair-caption{font-family:var(--mono);font-size:9px;letter-spacing:0.12em;text-transform:uppercase;color:var(--text-low);text-align:center;margin-top:-120px;padding-bottom:0;width:100%;max-width:450px}
.img-caption{max-width:500px !important}
}
@media(min-width:561px) and (max-width:860px){
  /* When pairs stack, each item gets the solo row max-width */
  .page-tdot .frame-pair:not(.frame-pair--flat) .frame-entry{max-width:500px;width:100%}
  .frame-pair:not(.frame-pair--flat) .iphone-wrap{width:100%;max-width:260px}
}


/* ── DARK THEME — radial glow behind devices ── */

[data-theme="dark"] .frame-entry,
[data-theme="dusk"] .frame-entry,
[data-theme="dawn"] .frame-entry {
  position: relative;
}
[data-theme="dark"] .frame-entry::before,
[data-theme="dusk"] .frame-entry::before,
[data-theme="dawn"] .frame-entry::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(calc(-50% + 4px), calc(-50% - 6px));
  width: 150%;
  height: 100%;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(25px);
}
[data-theme="dark"] .frame-entry::before {
  background: radial-gradient(ellipse at center,
    rgba(255,255,255,0.5) 0%,
    rgba(255,255,255,0.065) 60%,
    rgba(255,255,255,0.0) 125%);
}
[data-theme="dusk"] .frame-entry::before {
  background: radial-gradient(ellipse at center,
    rgba(140,110,200,0.3) 0%,
    rgba(140,110,200,0.065) 60%,
    rgba(140,110,200,0.0) 125%);
}
[data-theme="dawn"] .frame-entry::before {
  background: radial-gradient(ellipse at center,
    rgba(90,120,210,0.3) 0%,
    rgba(90,120,210,0.065) 60%,
    rgba(90,120,210,0.0) 125%);
}
/* Ensure device sits above the glow */
[data-theme="dark"] .frame-entry > *,
[data-theme="dusk"] .frame-entry > *,
[data-theme="dawn"] .frame-entry > * {
  position: relative;
  z-index: 1;
}


/* ── DARK THEME — device glow ── */

[data-theme="dark"] .dell-body {
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    inset 0 -1px 0 rgba(255,255,255,0.04),
    inset 1px 0 0 rgba(255,255,255,0.05),
    inset -1px 0 0 rgba(255,255,255,0.03),
    0 1px 2px rgba(0,0,0,0.5),
    0 4px 12px rgba(0,0,0,0.35),
    0 12px 40px rgba(0,0,0,0.25),
    0 32px 80px rgba(0,0,0,0.15),
    0px 0px 12px rgba(255,255,255,0.0375),
    22px -24px 42px rgba(255,255,255,0.03125),
    -22px 22px 42px rgba(255,255,255,0.03125);
}
[data-theme="dark"] .device-iphone {
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.12),
    inset 0 -1px 0 rgba(255,255,255,0.04),
    inset 1px 0 0 rgba(255,255,255,0.07),
    inset -1px 0 0 rgba(255,255,255,0.04),
    0 0 0 1px rgba(0,0,0,0.6),
    0 4px 12px rgba(0,0,0,0.4),
    0 16px 48px rgba(0,0,0,0.28),
    0 32px 80px rgba(0,0,0,0.16),
    0px 0px 12px rgba(255,255,255,0.0375),
    22px -24px 42px rgba(255,255,255,0.03125),
    -22px 22px 42px rgba(255,255,255,0.03125);
}
[data-theme="dark"] .device-browser {
  box-shadow:
    0 0 0 1px #444,
    0 4px 12px rgba(0,0,0,0.12),
    0 16px 48px rgba(0,0,0,0.1),
    0px 0px 6px rgba(255,255,255,0.0375),
    11px -12px 21px rgba(255,255,255,0.03125),
    -11px 11px 21px rgba(255,255,255,0.03125);
}
[data-theme="dark"] .device-monitor {
  box-shadow:
    0 0 0 1px #0a0a0a,
    0 4px 12px rgba(0,0,0,0.3),
    0 16px 48px rgba(0,0,0,0.2),
    0px 0px 12px rgba(255,255,255,0.0375),
    22px -24px 42px rgba(255,255,255,0.03125),
    -22px 22px 42px rgba(255,255,255,0.03125);
}
[data-theme="dusk"] .dell-body {
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    inset 0 -1px 0 rgba(255,255,255,0.04),
    inset 1px 0 0 rgba(255,255,255,0.05),
    inset -1px 0 0 rgba(255,255,255,0.03),
    0 1px 2px rgba(0,0,0,0.5),
    0 4px 12px rgba(0,0,0,0.35),
    0 12px 40px rgba(0,0,0,0.25),
    0 32px 80px rgba(0,0,0,0.15),
    0px 0px 12px rgba(255,255,255,0.075),
    22px -24px 42px rgba(140,110,200,0.0625),
    -22px 22px 42px rgba(140,110,200,0.0625);
}
[data-theme="dusk"] .device-iphone {
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.12),
    inset 0 -1px 0 rgba(255,255,255,0.04),
    inset 1px 0 0 rgba(255,255,255,0.07),
    inset -1px 0 0 rgba(255,255,255,0.04),
    0 0 0 1px rgba(0,0,0,0.6),
    0 4px 12px rgba(0,0,0,0.4),
    0 16px 48px rgba(0,0,0,0.28),
    0 32px 80px rgba(0,0,0,0.16),
    0px 0px 12px rgba(255,255,255,0.075),
    22px -24px 42px rgba(140,110,200,0.0625),
    -22px 22px 42px rgba(140,110,200,0.0625);
}
[data-theme="dusk"] .device-browser {
  box-shadow:
    0 0 0 1px #444,
    0 4px 12px rgba(0,0,0,0.12),
    0 16px 48px rgba(0,0,0,0.1),
    0px 0px 6px rgba(255,255,255,0.075),
    11px -12px 21px rgba(140,110,200,0.0625),
    -11px 11px 21px rgba(140,110,200,0.0625);
}
[data-theme="dusk"] .device-monitor {
  box-shadow:
    0 0 0 1px #0a0a0a,
    0 4px 12px rgba(0,0,0,0.3),
    0 16px 48px rgba(0,0,0,0.2),
    0px 0px 12px rgba(255,255,255,0.075),
    22px -24px 42px rgba(140,110,200,0.0625),
    -22px 22px 42px rgba(140,110,200,0.0625);
}
[data-theme="dawn"] .dell-body {
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    inset 0 -1px 0 rgba(255,255,255,0.04),
    inset 1px 0 0 rgba(255,255,255,0.05),
    inset -1px 0 0 rgba(255,255,255,0.03),
    0 1px 2px rgba(0,0,0,0.5),
    0 4px 12px rgba(0,0,0,0.35),
    0 12px 40px rgba(0,0,0,0.25),
    0 32px 80px rgba(0,0,0,0.15),
    0px 0px 12px rgba(255,255,255,0.075),
    22px -24px 42px rgba(90,120,210,0.0625),
    -22px 22px 42px rgba(90,120,210,0.0625);
}
[data-theme="dawn"] .device-iphone {
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.12),
    inset 0 -1px 0 rgba(255,255,255,0.04),
    inset 1px 0 0 rgba(255,255,255,0.07),
    inset -1px 0 0 rgba(255,255,255,0.04),
    0 0 0 1px rgba(0,0,0,0.6),
    0 4px 12px rgba(0,0,0,0.4),
    0 16px 48px rgba(0,0,0,0.28),
    0 32px 80px rgba(0,0,0,0.16),
    0px 0px 12px rgba(255,255,255,0.075),
    22px -24px 42px rgba(90,120,210,0.0625),
    -22px 22px 42px rgba(90,120,210,0.0625);
}
[data-theme="dawn"] .device-browser {
  box-shadow:
    0 0 0 1px #444,
    0 4px 12px rgba(0,0,0,0.12),
    0 16px 48px rgba(0,0,0,0.1),
    0px 0px 6px rgba(255,255,255,0.075),
    11px -12px 21px rgba(90,120,210,0.0625),
    -11px 11px 21px rgba(90,120,210,0.0625);
}
[data-theme="dawn"] .device-monitor {
  box-shadow:
    0 0 0 1px #0a0a0a,
    0 4px 12px rgba(0,0,0,0.3),
    0 16px 48px rgba(0,0,0,0.2),
    0px 0px 12px rgba(255,255,255,0.075),
    22px -24px 42px rgba(90,120,210,0.0625),
    -22px 22px 42px rgba(90,120,210,0.0625);
}


@media(max-width:560px){
  
/* ── Strip Dell tablet frames ── */

  .dell-body{
    background:none;
    border-radius:0;
    padding:0;
    box-shadow:none;
  }
  .dell-camera,.dell-power,.dell-vol,.dell-winbtn,.dell-pins{display:none}
  .dell-screen{
    padding-bottom:0;
    height:auto;
    overflow:visible;
    box-shadow:none;
    border-radius:0;
  }
  .dell-screen img{position:relative;width:100%;height:auto}
  .dell-wrap,.dell-wrap-lg{max-width:100%}

  
/* ── Strip browser frame ── */

  .device-browser{
    border-radius:0;
    background:none;
    box-shadow:none !important;
  }
  .browser-chrome{display:none}
  .browser-screen{overflow:visible}

  
/* ── Strip monitor frame ── */

  .device-monitor{
    background:none;
    border-radius:0;
    padding:0;
    box-shadow:none;
  }
  .monitor-camera{display:none}
  .device-monitor-wrap::after{display:none}
  .monitor-screen{
    padding-bottom:0;
    height:auto;
    overflow:visible;
    border-radius:0;
  }
  .monitor-screen img{position:relative;width:100%;height:auto}

  
/* ── Keep phone frame intact ── */

  .iphone-wrap{max-width:220px}
  .device-iphone{border-radius:12% / 5.5%}
}


/* ── DARK THEME — dell screen image filter ── */

[data-theme="dark"] .dell-screen img,
[data-theme="dusk"] .dell-screen img,
[data-theme="dawn"] .dell-screen img {
  filter: brightness(0.95) contrast(0.98);
}


/* ── STACKED COLUMN — consistent gap ── */

@media(min-width:561px) and (max-width:860px){
  .frames-grid{gap:80px}
  .frame-pair{gap:80px}
}


/* ── THROUGH-LINE SECTION ── */
.tl-block{display:grid;grid-template-columns:56px 1fr;gap:0}
.tl-spine{display:flex;flex-direction:column;align-items:center;padding-top:20px}
.tl-num{font-family:var(--mono);font-size:10px;letter-spacing:0.08em;color:var(--d30);width:44px;height:44px;border:1px solid var(--rule);border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--white);z-index:1;flex-shrink:0}
.tl-spine-line{width:1px;flex:1;background:var(--rule);margin-top:8px;min-height:32px}
.tl-block:last-child .tl-spine-line{display:none}
.tl-card{margin-left:16px;margin-bottom:24px;border:1px solid var(--rule);border-radius:4px;overflow:hidden}
.tl-challenge{padding:20px 24px;border-bottom:1px solid var(--rule)}
.tl-challenge-eyebrow{font-family:var(--mono);font-size:8px;letter-spacing:0.16em;text-transform:uppercase;color:var(--d30);margin-bottom:6px}
.tl-challenge-title{font-family:var(--serif);font-size:16px;font-weight:700;color:var(--black);line-height:1.3;margin-bottom:8px}
.tl-challenge-desc{font-family:var(--sans);font-size:13px;font-weight:300;color:var(--d70);line-height:1.65}
.tl-body{display:grid;grid-template-columns:1fr 1fr;gap:0}
.tl-body-cell{padding:20px 24px}
.tl-body-cell+.tl-body-cell{border-left:1px solid var(--rule)}
.tl-body-eyebrow{font-family:var(--mono);font-size:8px;letter-spacing:0.16em;text-transform:uppercase;color:var(--d30);margin-bottom:8px}
.tl-body-text{font-family:var(--sans);font-size:13px;font-weight:300;color:var(--d70);line-height:1.65}
.tl-body-cell.result .tl-body-text{color:var(--black);font-weight:400;letter-spacing:0.01em}
@media(max-width:740px){
  .tl-body{grid-template-columns:1fr}
  .tl-body-cell+.tl-body-cell{border-left:none;border-top:1px solid var(--rule)}
}

/* ── THROUGH-LINE spacing overrides ── */
.section--label-only{padding-top:40px;padding-bottom:16px}
.section--label-only + .frames-section{padding-top:24px}

/* ── THROUGH-LINE wrapper ── */
.tl-wrap{max-width:900px;margin:0 auto}