/* =========================================================
   Реуцкий Роман Андреевич — personal brand
   Cool-neutral monochrome shell, photography carries colour.
   Type: Unbounded (geometric display) + Manrope (humanist body).
   ========================================================= */

:root{
  /* ---- colour (OKLCH, cool-neutral, NOT warm cream) ---- */
  --bg:        oklch(0.976 0.003 230);
  --surface:   oklch(0.993 0.002 230);
  --sink:      oklch(0.948 0.004 230);
  --ink:       oklch(0.225 0.012 250);
  --ink-2:     oklch(0.355 0.012 250);
  --muted:     oklch(0.495 0.012 250);
  --line:      oklch(0.225 0.012 250 / 0.12);
  --line-soft: oklch(0.225 0.012 250 / 0.07);
  --graphite:  oklch(0.205 0.008 250);
  --graphite-2:oklch(0.255 0.008 250);
  --on-dark:   oklch(0.965 0.004 250);
  --on-dark-mut: oklch(0.965 0.004 250 / 0.66);
  --line-dark: oklch(0.965 0.004 250 / 0.16);
  --accent:    oklch(0.55 0.066 195);   /* restrained deep teal, <8% of surface */
  --accent-2:  oklch(0.62 0.07 195);
  --accent-deep: oklch(0.43 0.072 205);
  --accent-tint: oklch(0.55 0.066 195 / 0.08);   /* faint teal wash for fills */
  --accent-tint-2: oklch(0.55 0.066 195 / 0.14);
  --accent-ring: oklch(0.55 0.066 195 / 0.32);

  /* ---- type ---- */
  --font-display: "Unbounded", "Manrope", system-ui, sans-serif;
  --font: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* ---- space / shape ---- */
  --wrap: 1200px;
  --gut: clamp(20px, 5vw, 60px);
  --r-sm: 10px;
  --r: 14px;
  --r-lg: 22px;
  --r-xl: 30px;

  /* ---- elevation scale (cool-tinted, one consistent ramp) ---- */
  --sh-1: 0 1px 2px oklch(0.2 0.01 250 / .06), 0 2px 8px -4px oklch(0.2 0.02 250 / .08);
  --sh-2: 0 4px 12px -6px oklch(0.2 0.02 250 / .14), 0 14px 30px -22px oklch(0.2 0.02 250 / .3);
  --sh-3: 0 24px 50px -30px oklch(0.2 0.02 250 / .42);
  --sh-accent: 0 30px 70px -42px oklch(0.45 0.08 210 / .7);

  /* ---- motion ---- */
  --ease-out: cubic-bezier(0.22, 1, 0.32, 1);
  --ease-io:  cubic-bezier(0.77, 0, 0.175, 1);
  --ease-emph: cubic-bezier(0.16, 1, 0.3, 1);   /* emphasized decel, no overshoot */
  --t-fast: .16s;
  --t-mid: .28s;
  --t-slow: .5s;
}

/* =========================================================
   Reset / base
   ========================================================= */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:17px;
  line-height:1.62;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
html{ overflow-x:hidden; }
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3{ margin:0; font-weight:600; }
p{ margin:0; }
ul,ol,dl{ margin:0; padding:0; list-style:none; }

.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--gut); }
.section{ padding-block:clamp(60px, 7.5vw, 112px); position:relative; }

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--ink); color:#fff; padding:12px 18px; border-radius:0 0 12px 0; font-weight:600;
}
.skip-link:focus{ left:0; }

::selection{ background:var(--accent); color:#fff; }
:focus-visible{ outline:2.5px solid var(--accent); outline-offset:3px; border-radius:4px; }

/* =========================================================
   Reveal: content is ALWAYS visible by default. Only below-fold
   elements get a one-time entrance, added just before they enter
   view, so headless renders / no-JS / paused tabs never ship blank.
   ========================================================= */
@media (prefers-reduced-motion: no-preference){
  .js .reveal.enter{ animation: reveal .62s var(--ease-out) both; }
}
@keyframes reveal{
  from{ opacity:0; transform:translateY(16px); }
  to{ opacity:1; transform:none; }
}

/* =========================================================
   Headings
   ========================================================= */
.h2{
  font-family:var(--font-display);
  font-weight:500;
  font-size:clamp(1.8rem, 5.2vw, 3.25rem);
  line-height:1.04;
  letter-spacing:-0.02em;
  text-wrap:balance;
  overflow-wrap:break-word;
  hyphens:auto;
  color:var(--ink);
}
.head{ max-width:720px; margin-bottom:clamp(34px, 4.5vw, 56px); }
.head__lead{ margin-top:18px; color:var(--ink-2); font-size:1.1rem; max-width:60ch; text-wrap:pretty; }

/* =========================================================
   Section header — unifying editorial device across the page.
   A clinical index number + teal tick + eyebrow above each H2,
   so the whole page reads as one measured document.
   ========================================================= */
.shead{ max-width:760px; margin-bottom:clamp(34px, 4.5vw, 58px); }
.shead__kick{
  display:flex; align-items:center; gap:14px; margin-bottom:20px;
}
.shead__tick{
  position:relative; height:1px; width:clamp(34px, 6vw, 72px); background:var(--line);
  overflow:hidden;
}
.shead__tick::after{
  content:""; position:absolute; inset:0; background:var(--accent);
  transform:scaleX(0); transform-origin:left;
}
@media (prefers-reduced-motion: no-preference){
  @supports (animation-timeline: view()){
    .shead__tick::after{ animation:drawX linear both; animation-timeline:view(); animation-range:entry 10% cover 22%; }
  }
}
@media (prefers-reduced-motion: reduce){ .shead__tick::after{ transform:scaleX(1); } }
.shead__eyebrow{
  font-size:.76rem; font-weight:700; letter-spacing:.16em; text-transform:uppercase;
  color:var(--muted);
}
.shead .h2{ margin-top:0; }
.shead .head__lead{ margin-top:20px; }
/* eyebrow inverts inside dark zones */
.is-dark .shead__eyebrow{ color:var(--on-dark-mut); }
.is-dark .shead__tick{ background:var(--line-dark); }
.is-dark .shead__tick::after{ background:var(--accent-2); }

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  --b-bg:var(--ink); --b-fg:#fff;
  display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  font-family:var(--font); font-weight:600; font-size:.96rem; letter-spacing:.005em;
  padding:14px 24px; border-radius:10px; cursor:pointer; border:1px solid transparent;
  background:var(--b-bg); color:var(--b-fg); white-space:nowrap;
  transition:transform .16s var(--ease-out), background-color .2s var(--ease-out),
             color .2s var(--ease-out), border-color .2s var(--ease-out), box-shadow .2s var(--ease-out);
}
.btn--lg{ padding:16px 28px; font-size:1rem; }
.btn:active{ transform:translateY(1px) scale(0.99); }

.btn--ink{ --b-bg:var(--ink); --b-fg:#fff; box-shadow:0 1px 2px oklch(0.2 0.01 250 / .12); }
@media (hover:hover){ .btn--ink:hover{ --b-bg:oklch(0.3 0.02 220); } }

.btn--quiet{ --b-bg:transparent; --b-fg:var(--ink); border-color:var(--line); }
@media (hover:hover){ .btn--quiet:hover{ border-color:var(--ink); } }

.btn--light{ --b-bg:var(--on-dark); --b-fg:var(--graphite); }
@media (hover:hover){ .btn--light:hover{ --b-bg:#fff; } }

.btn--outline{ --b-bg:transparent; --b-fg:var(--on-dark); border-color:var(--line-dark); }
@media (hover:hover){ .btn--outline:hover{ border-color:var(--on-dark); background:oklch(0.965 0.004 250 / .07); } }

.link-light{
  color:var(--on-dark); font-weight:600; font-size:.96rem; padding:13px 8px;
  border-bottom:1px solid var(--line-dark); transition:border-color .2s var(--ease-out);
}
@media (hover:hover){ .link-light:hover{ border-color:var(--on-dark); } }

/* =========================================================
   Nav
   ========================================================= */
.nav{ position:sticky; top:0; z-index:50; background:oklch(0.976 0.003 230 / .82); backdrop-filter:saturate(140%) blur(16px); }
.nav.stuck{ border-bottom:1px solid var(--line); }
.nav__inner{ display:flex; align-items:center; gap:28px; height:70px; }
.nav__brand{ display:flex; align-items:center; gap:12px; margin-right:auto; }
.nav__mark{
  display:grid; place-items:center; width:38px; height:38px; border-radius:50%;
  background:var(--ink); color:var(--on-dark); font-family:var(--font-display);
  font-weight:500; font-size:.72rem; letter-spacing:.02em;
}
.nav__brandtext{ display:flex; flex-direction:column; line-height:1.05; font-size:.92rem; font-weight:700; letter-spacing:-.01em; }
.nav__brandtext b{ font-weight:500; font-size:.72rem; color:var(--muted); letter-spacing:0; }
.nav__links{ display:flex; gap:30px; }
.nav__links a{ font-size:.94rem; font-weight:500; color:var(--ink-2); position:relative; padding:5px 0; transition:color .2s var(--ease-out); }
.nav__links a::after{ content:""; position:absolute; left:0; bottom:-1px; width:100%; height:1.5px; background:var(--accent); transform:scaleX(0); transform-origin:left; transition:transform .25s var(--ease-out); }
@media (hover:hover){ .nav__links a:hover{ color:var(--ink); } .nav__links a:hover::after{ transform:scaleX(1); } }
.nav__links a.is-active{ color:var(--ink); }
.nav__links a.is-active::after{ transform:scaleX(1); }
.nav__cta{ padding:10px 20px; font-size:.9rem; }

.nav__burger{ display:none; width:42px; height:42px; border:1px solid var(--line); border-radius:11px; background:transparent; cursor:pointer; flex-direction:column; gap:5px; align-items:center; justify-content:center; }
.nav__burger span{ width:18px; height:1.7px; background:var(--ink); transition:transform .25s var(--ease-out), opacity .2s; }
.nav__burger[aria-expanded="true"] span:nth-child(1){ transform:translateY(3.35px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2){ transform:translateY(-3.35px) rotate(-45deg); }
.nav__mobile{ display:none; }

/* =========================================================
   Hero — one continuous field; the portrait is part of the scene,
   not a framed asset. It bleeds off the bottom and its base is
   masked to dissolve into the background gradient.
   ========================================================= */
.hero{
  position:relative; isolation:isolate; overflow:hidden;
  min-height:clamp(640px, 92svh, 920px);
  display:grid; align-content:center;
  padding-top:clamp(56px, 9vh, 96px); padding-bottom:0;
  background:
    radial-gradient(40% 50% at 85% 12%, oklch(0.995 0.018 96 / .8), transparent 70%),
    radial-gradient(58% 70% at 76% 62%, oklch(0.72 0.085 202 / .26), transparent 72%),
    radial-gradient(50% 60% at 12% 24%, oklch(0.87 0.04 250 / .34), transparent 70%),
    linear-gradient(180deg, oklch(0.972 0.006 235) 0%, oklch(0.93 0.011 238) 66%, oklch(0.9 0.013 240) 100%);
}
/* atmospheric depth (soft out-of-focus light fields behind the figure) */
.hero__atmos{
  position:absolute; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(circle at 90% 26%, oklch(0.78 0.09 200 / .22), transparent 36%),
    radial-gradient(circle at 58% 92%, oklch(0.66 0.09 206 / .16), transparent 42%),
    radial-gradient(circle at 30% 8%, oklch(0.99 0.02 95 / .35), transparent 34%);
  filter:blur(36px);
}
/* backlight: a soft halo behind the figure that both separates and integrates him */
.hero__glow{
  position:absolute; z-index:1; right:13%; top:6%;
  width:min(48vw, 660px); aspect-ratio:1; border-radius:50%;
  background:radial-gradient(circle at 50% 44%, oklch(0.93 0.05 200 / .55), transparent 60%);
  filter:blur(10px); pointer-events:none;
}
/* soft floor so he stands in the space rather than floating */
.hero__floor{
  position:absolute; z-index:1; right:4%; bottom:0;
  width:min(48vw, 620px); height:15%;
  background:radial-gradient(ellipse at 52% 100%, oklch(0.4 0.03 235 / .2), transparent 70%);
  filter:blur(9px); pointer-events:none;
}
.hero__portrait{
  position:absolute; z-index:2; right:clamp(-40px, -1vw, 40px); bottom:0;
  height:min(98%, 940px); width:auto; max-width:none; object-fit:contain; object-position:bottom center;
  -webkit-mask-image:linear-gradient(180deg, #000 90%, transparent 100%);
  mask-image:linear-gradient(180deg, #000 90%, transparent 100%);
  filter:saturate(1.07) contrast(1.03) drop-shadow(0 20px 34px oklch(0.34 0.04 235 / .18));
  pointer-events:none;
}
/* name plate near the figure, glass over the scene */
.hero__tag{
  position:absolute; z-index:3; margin:0;
  right:clamp(16px, 4vw, 72px); bottom:clamp(46px, 13vh, 150px);
  display:flex; flex-direction:column; gap:3px; padding:14px 20px; border-radius:12px;
  background:oklch(0.23 0.014 250 / .8); backdrop-filter:blur(12px) saturate(140%);
  border:1px solid oklch(1 0 0 / .14); box-shadow:0 20px 44px -22px oklch(0.18 0.02 250 / .7);
}
.hero__tag-name{ font-weight:600; font-size:.98rem; color:#fff; letter-spacing:-.01em; }
.hero__tag-role{ font-size:.79rem; color:oklch(0.86 0.03 210); }
/* oversized brand wordmark woven into the field, framing the figure */
.hero__wordmark{
  position:absolute; z-index:0; right:-19%; top:47%; transform:translateY(-50%);
  width:min(70vw, 1080px); height:auto; max-width:none; opacity:.1;
  filter:brightness(0) saturate(100%) invert(22%) sepia(18%) saturate(620%) hue-rotate(150deg);
  pointer-events:none; user-select:none;
}
.hero__inner{ position:relative; z-index:3; }
/* fine film grain for premium texture */
.hero__grain{
  position:absolute; inset:0; z-index:4; pointer-events:none; opacity:.05; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hero__copy{ max-width:600px; }
.hero__eyebrow{ font-size:.8rem; font-weight:600; letter-spacing:.08em; text-transform:uppercase; color:var(--accent); margin-bottom:22px; }
.hero__title{
  font-family:var(--font-display); font-weight:500;
  font-size:clamp(2.9rem, 6.6vw, 5.4rem); line-height:0.92; letter-spacing:-0.04em;
  color:var(--ink); text-wrap:balance;
}
.hero__title span{
  display:block; margin-top:.36em; font-size:.42em; font-weight:300; letter-spacing:-.015em; color:var(--ink-2);
}
.hero__lead{ margin-top:28px; font-size:clamp(1.12rem, 1.6vw, 1.38rem); line-height:1.45; color:var(--ink-2); max-width:32ch; font-weight:500; }
.hero__actions{ display:flex; align-items:center; gap:6px 22px; margin-top:38px; flex-wrap:wrap; }
.btn__arrow{ margin-left:.1em; transition:transform .25s var(--ease-out); }
@media (hover:hover){ .btn--ink:hover .btn__arrow{ transform:translateX(4px); } }

.link-cta{
  position:relative; display:inline-flex; align-items:center;
  font-weight:600; font-size:1rem; color:var(--ink); padding:13px 2px;
}
.link-cta::after{
  content:""; position:absolute; left:2px; right:2px; bottom:8px; height:1.5px; background:var(--ink);
  transform:scaleX(0); transform-origin:left; transition:transform .3s var(--ease-out);
}
@media (hover:hover){ .link-cta:hover::after{ transform:scaleX(1); } }
@media (prefers-reduced-motion: no-preference){
  .js .hero__eyebrow,.js .hero__title,.js .hero__lead,.js .hero__actions{ animation:heroIn .8s var(--ease-out) both; }
  .js .hero__title{ animation-delay:.05s; }
  .js .hero__lead{ animation-delay:.12s; }
  .js .hero__actions{ animation-delay:.19s; }
  .js .hero__portrait{ animation:portraitIn 1.1s var(--ease-out) both; }
}
@keyframes heroIn{ from{ opacity:0; transform:translateY(14px); } to{ opacity:1; transform:none; } }
@keyframes portraitIn{ from{ opacity:0; transform:translateY(12px); } to{ opacity:1; transform:none; } }

/* =========================================================
   Career — infographic directly under the hero (seamless)
   ========================================================= */
.career{
  padding-block:clamp(40px, 5.5vw, 76px);
  background:linear-gradient(180deg, oklch(0.9 0.013 240) 0%, var(--bg) 34%);
}
.career__kick{
  display:flex; align-items:center; gap:12px; margin-bottom:clamp(26px, 3vw, 40px);
  font-size:.76rem; font-weight:700; letter-spacing:.16em; text-transform:uppercase; color:var(--muted);
}
.career__kick-tick{ width:26px; height:1px; background:var(--accent); }

/* Continuous baseline rail. Year-row + dot-row are fixed height so the
   single rail (drawn on the track) lines up with every node, robustly. */
.career__track{
  --yrow: clamp(1.6rem, 2.6vw, 2.5rem);   /* year line height */
  --drow: 26px;                            /* dot row height   */
  position:relative;
  display:grid; grid-template-columns:repeat(5, 1fr); gap:0 clamp(14px, 1.8vw, 30px);
}
.career__track::before,
.career__track::after{
  content:""; position:absolute; left:0; right:0;
  top:calc(var(--yrow) + var(--drow) / 2); height:2px; border-radius:2px;
}
.career__track::before{ background:var(--line); }
.career__track::after{
  right:auto; width:100%;
  background:linear-gradient(90deg, var(--accent), oklch(0.55 0.066 195 / .32));
  transform:scaleX(0); transform-origin:left;
}
@media (prefers-reduced-motion: no-preference){
  @supports (animation-timeline: view()){
    .career__track::after{ animation:drawX linear both; animation-timeline:view(); animation-range:entry 0% cover 30%; }
  }
}
@media (prefers-reduced-motion: reduce){ .career__track::after{ transform:scaleX(1); } }
@keyframes drawX{ from{ transform:scaleX(0); } to{ transform:scaleX(1); } }

.career__item{
  display:grid; grid-template-rows:var(--yrow) var(--drow) auto; align-items:start;
  padding-right:clamp(8px, 1.4vw, 22px);
}
.career__val{
  font-family:var(--font-display); font-weight:600; font-size:clamp(1.5rem, 2.5vw, 2.3rem);
  line-height:1; letter-spacing:-.025em; color:var(--ink); white-space:nowrap;
  transition:color var(--t-mid) var(--ease-out);
}
.career__val i{ font-style:normal; color:var(--accent); }
.career__node{
  align-self:center; width:13px; height:13px; border-radius:50%;
  background:var(--bg); border:2px solid var(--accent); box-shadow:0 0 0 4px var(--bg);
  position:relative; z-index:1;
  transition:transform var(--t-mid) var(--ease-out), background-color var(--t-mid) var(--ease-out);
}
.career__node::after{
  content:""; position:absolute; inset:2px; border-radius:50%; background:var(--accent);
  transform:scale(0); transition:transform var(--t-mid) var(--ease-out);
}
.career__label{ color:var(--muted); font-size:.93rem; line-height:1.45; max-width:22ch; padding-top:6px; }
@media (hover:hover){
  .career__item:hover .career__val{ color:var(--accent); }
  .career__item:hover .career__node{ transform:scale(1.18); }
  .career__item:hover .career__node::after{ transform:scale(1); }
}

/* =========================================================
   About — editorial credential list + specialization panel
   ========================================================= */
.cred{ display:grid; grid-template-columns:1fr 0.92fr; gap:clamp(24px, 4vw, 64px); align-items:stretch; }
.cred__list{ display:flex; flex-direction:column; }
.credit{
  display:grid; grid-template-columns:auto 1fr; gap:clamp(18px, 2vw, 28px);
  padding:clamp(24px, 2.6vw, 34px) 0; border-top:1px solid var(--line);
}
.cred__list .credit:first-child{ border-top:none; padding-top:4px; }
.cred__list .credit:last-child{ padding-bottom:0; }
.credit__icon{
  flex:0 0 auto; width:52px; height:52px; border-radius:14px; display:grid; place-items:center;
  color:var(--accent-deep); background:var(--accent-tint); border:1px solid var(--accent-ring);
  transition:transform var(--t-mid) var(--ease-out), background-color var(--t-mid) var(--ease-out), color var(--t-mid) var(--ease-out);
}
.credit__icon svg{ width:24px; height:24px; }
.credit__body h3{ font-size:1.22rem; font-weight:700; letter-spacing:-.01em; color:var(--ink); }
.credit__body p{ margin-top:9px; color:var(--ink-2); font-size:1.02rem; line-height:1.55; max-width:46ch; text-wrap:pretty; }
@media (hover:hover){
  .credit:hover .credit__icon{ transform:translateY(-2px); background:var(--accent); color:#fff; border-color:transparent; }
}

.cred__spec{
  position:relative; overflow:hidden; border-radius:var(--r-xl); padding:clamp(32px, 3.4vw, 48px);
  color:#fff; display:flex; flex-direction:column; gap:16px;
  background:linear-gradient(158deg, oklch(0.6 0.09 200) 0%, oklch(0.42 0.08 216) 100%);
  box-shadow:var(--sh-accent);
}
.cred__spec::after{
  content:""; position:absolute; right:-24%; top:-32%; width:74%; aspect-ratio:1; border-radius:50%;
  background:radial-gradient(circle, oklch(1 0 0 / .18), transparent 64%); pointer-events:none;
}
/* subtle measured grid texture — clinical precision motif */
.cred__spec::before{
  content:""; position:absolute; inset:0; pointer-events:none; opacity:.5;
  background-image:linear-gradient(oklch(1 0 0 / .05) 1px, transparent 1px),
                   linear-gradient(90deg, oklch(1 0 0 / .05) 1px, transparent 1px);
  background-size:34px 34px; mask-image:radial-gradient(circle at 78% 8%, #000, transparent 72%);
}
.cred__spec > *{ position:relative; z-index:1; }
.cred__spec-icon{ width:54px; height:54px; border-radius:15px; display:grid; place-items:center; color:#fff;
  background:oklch(1 0 0 / .16); border:1px solid oklch(1 0 0 / .26); margin-bottom:4px; }
.cred__spec-icon svg{ width:26px; height:26px; }
.cred__spec-label{ font-size:.74rem; font-weight:700; letter-spacing:.15em; text-transform:uppercase; color:oklch(1 0 0 / .78); }
.cred__spec-title{ font-family:var(--font-display); font-weight:500; font-size:clamp(1.7rem, 2.4vw, 2.3rem); line-height:1.12; letter-spacing:-.02em; }
.cred__spec > p{ color:oklch(1 0 0 / .88); font-size:1.06rem; line-height:1.55; max-width:44ch; }
.cred__spec-list{ display:grid; grid-template-columns:1fr 1fr; gap:8px; margin-top:auto; padding-top:14px; }
.cred__spec-list li{
  position:relative; font-size:.88rem; font-weight:600; padding:11px 14px 11px 36px; border-radius:10px;
  background:oklch(1 0 0 / .12); border:1px solid oklch(1 0 0 / .2);
}
.cred__spec-list li::before{
  content:""; position:absolute; left:13px; top:50%; width:13px; height:9px; margin-top:-5px;
  border-left:2px solid #fff; border-bottom:2px solid #fff; transform:rotate(-45deg);
  border-radius:1px;
}

/* =========================================================
   Approach — numbered clinical protocol with a progress spine
   ========================================================= */
.approach__layout{ display:grid; grid-template-columns:minmax(0,0.86fr) minmax(0,1.14fr); gap:clamp(24px, 4vw, 64px); align-items:start; }
.approach__visual{
  position:sticky; top:96px; margin:0; border-radius:var(--r-lg); overflow:hidden;
  box-shadow:var(--sh-3); isolation:isolate;
}
.approach__visual img{ width:100%; height:100%; object-fit:cover; aspect-ratio:4/5; display:block; transition:transform .8s var(--ease-out); }
@media (hover:hover){ .approach__visual:hover img{ transform:scale(1.04); } }
.approach__visual figcaption{
  position:absolute; inset:auto 0 0 0; z-index:1; padding:26px 24px 22px; color:#fff; font-size:.96rem; line-height:1.45;
  background:linear-gradient(to top, oklch(0.2 0.03 230 / .9) 0%, oklch(0.2 0.03 230 / .35) 55%, transparent 100%);
}
.approach__visual-k{ display:block; font-size:.72rem; font-weight:700; letter-spacing:.13em; text-transform:uppercase; color:oklch(0.86 0.05 200); margin-bottom:7px; }

/* Protocol: a vertical spine runs through the step numbers and fills on scroll */
.proto{ position:relative; --spine: clamp(46px, 4.4vw, 56px); }
.proto::before,
.proto::after{
  content:""; position:absolute; left:calc(var(--spine) / 2); top:8px; bottom:8px;
  width:2px; transform:translateX(-1px); border-radius:2px;
}
.proto::before{ background:var(--line); }
.proto::after{
  background:linear-gradient(180deg, var(--accent), oklch(0.55 0.066 195 / .3));
  transform:translateX(-1px) scaleY(0); transform-origin:top;
}
@media (prefers-reduced-motion: no-preference){
  @supports (animation-timeline: view()){
    .proto::after{ animation:drawY linear both; animation-timeline:view(); animation-range:entry 16% cover 78%; }
  }
}
@media (prefers-reduced-motion: reduce){ .proto::after{ transform:translateX(-1px) scaleY(1); } }
@keyframes drawY{ from{ transform:translateX(-1px) scaleY(0); } to{ transform:translateX(-1px) scaleY(1); } }

.proto__step{
  position:relative; display:grid; grid-template-columns:var(--spine) 1fr; align-items:start;
  gap:clamp(18px, 2vw, 30px); padding:clamp(16px, 1.8vw, 24px) 0;
}
.proto__num{
  position:relative; z-index:1; width:var(--spine); height:var(--spine); border-radius:50%;
  display:grid; place-items:center; font-family:var(--font-display); font-weight:500;
  font-size:.95rem; letter-spacing:.01em; color:var(--muted); font-variant-numeric:tabular-nums;
  background:var(--surface); border:1px solid var(--line); box-shadow:0 0 0 5px var(--bg);
  transition:color var(--t-mid) var(--ease-out), border-color var(--t-mid) var(--ease-out),
             background-color var(--t-mid) var(--ease-out), transform var(--t-mid) var(--ease-out);
}
.proto__body{ padding-top:clamp(6px, 0.8vw, 12px); }
.proto__body h3{ font-family:var(--font-display); font-weight:500; font-size:clamp(1.2rem, 1.7vw, 1.5rem); letter-spacing:-.02em; color:var(--ink); }
.proto__body p{ margin-top:10px; color:var(--ink-2); font-size:1.03rem; line-height:1.55; max-width:52ch; text-wrap:pretty; }
@media (hover:hover){
  .proto__step:hover .proto__num{ color:#fff; background:var(--accent); border-color:transparent; transform:scale(1.06); }
}

/* =========================================================
   Cases
   ========================================================= */
.cases{ background:var(--bg); }
.cases__feature{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(14px, 1.6vw, 20px); margin-bottom:clamp(14px, 1.6vw, 20px); }
.cases__grid{ display:grid; grid-template-columns:repeat(3, 1fr); gap:clamp(14px, 1.6vw, 20px); }

.case{
  position:relative; margin:0; border-radius:var(--r-lg); overflow:hidden; isolation:isolate;
  background:var(--sink); cursor:pointer; display:block;
  box-shadow:var(--sh-1);
  transition:transform var(--t-slow) var(--ease-out), box-shadow var(--t-slow) var(--ease-out);
}
.case::after{   /* hairline inner ring keeps photos crisp on light bg */
  content:""; position:absolute; inset:0; z-index:3; border-radius:inherit; pointer-events:none;
  box-shadow:inset 0 0 0 1px oklch(0.2 0.02 250 / .08);
}
.case img{ width:100%; height:100%; object-fit:cover; aspect-ratio:1/1; transition:transform .7s var(--ease-out); }
.case--feature img{ aspect-ratio:4/3; }
@media (hover:hover){
  .case:hover{ transform:translateY(-5px); box-shadow:var(--sh-3); }
  .case:hover img{ transform:scale(1.045); }
}

/* before / after chip — orientation-agnostic (composites split either way) */
.case__ba{
  position:absolute; top:14px; left:14px; z-index:2; pointer-events:none;
  display:inline-flex; align-items:center;
  font-size:.64rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:#fff;
  padding:6px 12px; border-radius:999px;
  background:oklch(0.16 0.02 250 / .5); border:1px solid oklch(1 0 0 / .2); backdrop-filter:blur(6px);
  transition:transform var(--t-mid) var(--ease-out);
}
.case__ba b{ font-weight:700; }
.case__ba b:first-child::after{ content:"→"; margin:0 .55em; color:oklch(0.86 0.06 195); font-weight:600; }
.case__ba b:last-child{ color:oklch(0.9 0.05 195); }
@media (hover:hover){ .case:hover .case__ba{ transform:translateY(-1px); } }

.case figcaption{
  position:absolute; inset:auto 0 0 0; z-index:2; padding:24px 22px 20px; color:#fff;
  background:linear-gradient(to top, oklch(0.16 0.02 250 / .92) 0%, oklch(0.16 0.02 250 / .35) 55%, transparent 100%);
}
.case figcaption h3{ font-family:var(--font-display); font-weight:400; font-size:1.25rem; letter-spacing:-.01em; }
.case--feature figcaption{ padding:30px 28px 26px; }
.case--feature figcaption h3{ font-size:clamp(1.35rem, 2vw, 1.7rem); }
.case__kind{ display:block; font-size:.74rem; font-weight:600; letter-spacing:.06em; text-transform:uppercase; color:oklch(0.88 0.04 195); margin-bottom:8px; }

/* zoom affordance */
.case[data-full]::before{
  content:""; position:absolute; top:14px; right:14px; z-index:4; width:38px; height:38px; border-radius:50%;
  background:oklch(1 0 0 / .92) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='17' height='17' viewBox='0 0 24 24' fill='none' stroke='%23225' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M15 3h6v6M21 3l-7 7M9 21H3v-6M3 21l7-7'/%3E%3C/svg%3E") center/16px no-repeat;
  opacity:0; transform:scale(.85); transition:opacity var(--t-mid) var(--ease-out), transform var(--t-mid) var(--ease-out);
  box-shadow:var(--sh-1);
}
@media (hover:hover){ .case[data-full]:hover::before{ opacity:1; transform:scale(1); } }

.case--ask{
  cursor:pointer; display:flex; flex-direction:column; justify-content:center; gap:14px;
  background:linear-gradient(165deg, var(--surface), var(--sink)); border:1px solid var(--line);
  padding:clamp(26px, 2.4vw, 34px); aspect-ratio:1/1; box-shadow:none;
}
.case--ask::after{ box-shadow:inset 0 0 0 1px var(--line-soft); }
.case--ask .case__ask-k{ font-size:.78rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--accent); }
.case--ask strong{ font-family:var(--font-display); font-weight:400; font-size:clamp(1.2rem, 1.7vw, 1.42rem); line-height:1.2; letter-spacing:-.01em; color:var(--ink); }
.case--ask .case__go{ margin-top:auto; font-weight:600; color:var(--ink); font-size:.96rem; display:inline-flex; align-items:center; gap:.4em; }
.case--ask .case__go::after{ content:"→"; color:var(--accent); transition:transform var(--t-mid) var(--ease-out); }
@media (hover:hover){
  .case--ask:hover{ transform:translateY(-5px); box-shadow:var(--sh-2); border-color:var(--accent-ring); }
  .case--ask:hover .case__go::after{ transform:translateX(4px); }
}

/* =========================================================
   Audience — editorial index (interactive rows)
   ========================================================= */
.needs{ display:grid; grid-template-columns:1fr 1fr; column-gap:clamp(40px, 6vw, 80px); border-top:1px solid var(--line); }
.need{
  position:relative; display:block; padding:clamp(24px, 2.4vw, 34px) 0 clamp(24px, 2.4vw, 34px) clamp(18px, 1.6vw, 26px);
  border-bottom:1px solid var(--line); overflow:hidden;
}
.need__bar{
  position:absolute; left:0; top:50%; height:0; width:3px; border-radius:2px; background:var(--accent);
  transform:translateY(-50%); transition:height var(--t-mid) var(--ease-out);
}
.need__content, .need h3, .need p{ transition:transform var(--t-mid) var(--ease-out); }
.need h3{
  display:flex; align-items:center; gap:12px;
  font-family:var(--font-display); font-weight:500; font-size:clamp(1.22rem, 1.8vw, 1.58rem);
  letter-spacing:-.02em; color:var(--ink); transition:color var(--t-fast) var(--ease-out), transform var(--t-mid) var(--ease-out);
}
.need__go{
  margin-left:auto; font-size:.7em; color:var(--accent);
  opacity:0; transform:translateX(-10px); transition:opacity var(--t-mid) var(--ease-out), transform var(--t-mid) var(--ease-out);
}
.need p{ margin-top:10px; color:var(--muted); font-size:1.02rem; line-height:1.5; max-width:40ch; text-wrap:pretty; }
/* faint tint wash on hover */
.need::before{
  content:""; position:absolute; inset:0 -16px; z-index:-1; border-radius:12px;
  background:var(--accent-tint); opacity:0; transition:opacity var(--t-mid) var(--ease-out);
}
@media (hover:hover){
  .need:hover h3, .need:hover p{ transform:translateX(10px); }
  .need:hover h3{ color:var(--accent-deep); }
  .need:hover .need__go{ opacity:1; transform:none; }
  .need:hover .need__bar{ height:calc(100% - clamp(40px, 4vw, 56px)); }
  .need:hover::before{ opacity:1; }
}

/* =========================================================
   Teaching — dark zone (rhythmic counterpoint)
   ========================================================= */
.teaching{
  position:relative; isolation:isolate;
  background:linear-gradient(180deg, var(--bg) 0%, var(--graphite) 7%, var(--graphite) 93%, var(--bg) 100%);
  color:var(--on-dark);
}
/* depth: measured grid + teal glow — only visible over the dark band (white/teal
   on light fades to nothing), so no extra masking is needed. */
.teaching::before{
  content:""; position:absolute; inset:0; z-index:-1; pointer-events:none;
  background-image:linear-gradient(oklch(1 0 0 / .028) 1px, transparent 1px),
                   linear-gradient(90deg, oklch(1 0 0 / .028) 1px, transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(120% 80% at 70% 36%, #000, transparent 75%);
          mask-image:radial-gradient(120% 80% at 70% 36%, #000, transparent 75%);
}
.teaching::after{
  content:""; position:absolute; z-index:-1; pointer-events:none;
  left:56%; top:14%; transform:translateX(-50%); width:min(64%, 720px); aspect-ratio:1; border-radius:50%;
  background:radial-gradient(circle, oklch(0.55 0.09 200 / .22), transparent 62%); filter:blur(20px);
}
.teaching__grid{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(40px, 6vw, 88px); align-items:start; }
.teaching__intro{ position:sticky; top:96px; }
.teaching__eyebrow{
  display:inline-flex; align-items:center; gap:12px;
  font-size:.76rem; font-weight:700; letter-spacing:.16em; text-transform:uppercase; color:var(--accent-2); margin-bottom:22px;
}
.teaching__eyebrow::before{ content:""; width:26px; height:1px; background:var(--accent-2); }
.teaching__statement{ font-family:var(--font-display); font-weight:400; font-size:clamp(1.7rem, 2.8vw, 2.5rem); line-height:1.16; letter-spacing:-.02em; color:#fff; text-wrap:balance; }
.teaching__sub{ margin-top:22px; color:var(--on-dark-mut); font-size:1.06rem; max-width:46ch; text-wrap:pretty; }
.teaching__intro .btn{ margin-top:30px; }

.teaching__cards{ display:grid; gap:14px; }
.tcard{
  position:relative; overflow:hidden;
  border:1px solid var(--line-dark); border-radius:var(--r-lg); padding:clamp(24px, 2vw, 30px) clamp(26px, 2.2vw, 32px);
  background:oklch(0.965 0.004 250 / .028);
  transition:border-color var(--t-mid) var(--ease-out), background-color var(--t-mid) var(--ease-out), transform var(--t-mid) var(--ease-out), box-shadow var(--t-mid) var(--ease-out);
}
/* top accent hairline that lights up on hover */
.tcard::before{
  content:""; position:absolute; left:0; top:0; height:2px; width:100%;
  background:linear-gradient(90deg, var(--accent-2), transparent 70%);
  transform:scaleX(0); transform-origin:left; transition:transform var(--t-slow) var(--ease-out);
}
@media (hover:hover){
  .tcard:hover{ border-color:oklch(0.62 0.07 195 / .55); background:oklch(0.965 0.004 250 / .055); transform:translateY(-3px); box-shadow:0 30px 60px -44px oklch(0 0 0 / .7); }
  .tcard:hover::before{ transform:scaleX(1); }
}
.tcard--lead{ background:linear-gradient(150deg, oklch(0.55 0.072 198 / .22), oklch(0.965 0.004 250 / .02)); border-color:oklch(0.55 0.066 195 / .4); }
.tcard h3{ font-size:1.22rem; font-weight:700; letter-spacing:-.01em; color:#fff; }
.tcard--lead h3{ font-family:var(--font-display); font-weight:400; font-size:clamp(1.32rem, 1.8vw, 1.5rem); }
.tcard p{ margin-top:10px; color:var(--on-dark-mut); font-size:.99rem; line-height:1.55; text-wrap:pretty; }
.chip{
  display:inline-block; font-size:.7rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
  color:var(--on-dark-mut); border:1px solid var(--line-dark); padding:5px 11px; border-radius:999px; margin-bottom:15px;
}
.chip--solid{ color:var(--graphite); background:var(--on-dark); border-color:transparent; }
.chip--accent{ color:#fff; background:var(--accent); border-color:transparent; }
.tcard__link{ display:inline-flex; align-items:center; gap:.4em; margin-top:16px; color:var(--accent-2); font-weight:600; font-size:.94rem; }
.tcard__link::after{ content:"→"; transition:transform var(--t-mid) var(--ease-out); }
@media (hover:hover){ .tcard__link:hover::after{ transform:translateX(4px); } }

/* =========================================================
   Media — professional community (bento: dark feature + sources)
   ========================================================= */
.media__grid{ display:grid; grid-template-columns:1.15fr .85fr; gap:clamp(14px, 1.4vw, 16px); }
.mcard{
  display:flex; flex-direction:column; position:relative; overflow:hidden;
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r-lg);
  padding:clamp(24px, 2.2vw, 32px);
  transition:border-color var(--t-mid) var(--ease-out), box-shadow var(--t-mid) var(--ease-out), transform var(--t-mid) var(--ease-out);
}
@media (hover:hover){ a.mcard:hover{ transform:translateY(-3px); border-color:var(--accent-ring); box-shadow:var(--sh-2); } }
.mcard__type{ display:inline-flex; align-items:center; gap:9px; font-size:.72rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--accent); }
.mcard__type::before{ content:""; width:16px; height:1px; background:currentColor; }
.mcard__title{ margin-top:14px; font-family:var(--font-display); font-weight:500; font-size:1.3rem; letter-spacing:-.02em; color:var(--ink); line-height:1.12; overflow-wrap:break-word; }
.mcard__desc{ margin-top:13px; color:var(--ink-2); font-size:1.02rem; line-height:1.55; max-width:46ch; }
.mcard__src{ margin-top:auto; padding-top:20px; display:flex; flex-direction:column; gap:6px; font-size:.92rem; font-weight:600; color:var(--ink-2); }
.mcard__go{ display:inline-flex; align-items:center; gap:.4em; color:var(--accent); }
.mcard__go::after{ content:"→"; transition:transform var(--t-mid) var(--ease-out); }
@media (hover:hover){ a.mcard:hover .mcard__go::after{ transform:translateX(4px); } }

.mcard--feature{
  grid-column:1; grid-row:1 / span 3; justify-content:flex-end; color:#fff; border:none;
  background:linear-gradient(158deg, var(--graphite-2) 0%, oklch(0.34 0.055 212) 100%);
  box-shadow:var(--sh-3);
}
.mcard--feature .mcard__type{ color:var(--accent-2); position:relative; z-index:1; }
.mcard--feature .mcard__title{ color:#fff; font-size:clamp(1.6rem, 2.4vw, 2.2rem); position:relative; z-index:1; }
.mcard--feature .mcard__desc{ color:oklch(1 0 0 / .82); position:relative; z-index:1; }
.mcard--feature .mcard__src{ color:oklch(1 0 0 / .8); position:relative; z-index:1; }
.mcard--feature .mcard__go{ color:var(--accent-2); }
.mcard__mark{ position:absolute; top:-4%; right:-6%; width:52%; height:auto; max-width:none; opacity:.09; pointer-events:none; }
.mcard--plain{ background:var(--sink); }
/* light sweep across the dark feature card on hover */
.mcard--feature::before{
  content:""; position:absolute; inset:0; z-index:0; pointer-events:none; border-radius:inherit;
  background:linear-gradient(116deg, transparent 32%, oklch(1 0 0 / .13) 48%, transparent 64%);
  transform:translateX(-120%);
}
@media (hover:hover) and (prefers-reduced-motion: no-preference){
  .mcard--feature:hover::before{ transform:translateX(120%); transition:transform .85s var(--ease-out); }
}

/* gentle scroll parallax on the hero brand wordmark (progressive enhancement) */
@media (prefers-reduced-motion: no-preference){
  @supports (animation-timeline: scroll()){
    .hero__wordmark{ animation:heroDrift linear both; animation-timeline:scroll(root); animation-range:0 80vh; }
    @keyframes heroDrift{ to{ transform:translateY(-50%) translateY(64px); } }
  }
}

/* =========================================================
   FAQ
   ========================================================= */
.faq{ background:var(--bg); }
.faq__grid{ display:grid; grid-template-columns:.82fr 1.18fr; gap:clamp(32px, 5vw, 80px); }
.faq__head{ position:sticky; top:96px; align-self:start; margin-bottom:0; }
.faq__visual{ margin:clamp(28px, 3vw, 40px) 0 0; border-radius:var(--r-lg); overflow:hidden; box-shadow:var(--sh-3); }
.faq__visual img{ width:100%; height:auto; aspect-ratio:3/2; object-fit:cover; display:block; }
.faq__cta{ display:inline-flex; align-items:center; gap:.5em; margin-top:22px; font-weight:600; font-size:.98rem; color:var(--ink); }
.faq__cta span{ color:var(--accent); transition:transform .25s var(--ease-out); }
@media (hover:hover){ .faq__cta:hover span{ transform:translateX(4px); } }
.faq__list{ border-top:1px solid var(--line); }
.faq__item{
  position:relative; border-bottom:1px solid var(--line);
  transition:border-color var(--t-mid) var(--ease-out);
}
/* accent rail appears on the open item */
.faq__item::before{
  content:""; position:absolute; left:calc(-1 * clamp(14px, 1.6vw, 22px)); top:14px; bottom:14px; width:2px; border-radius:2px;
  background:var(--accent); transform:scaleY(0); transform-origin:center; opacity:0;
  transition:transform var(--t-mid) var(--ease-out), opacity var(--t-mid) var(--ease-out);
}
.faq__item[open]::before{ transform:scaleY(1); opacity:1; }
.faq__item summary{
  list-style:none; cursor:pointer; display:flex; align-items:center; justify-content:space-between; gap:24px;
  padding:clamp(20px, 2vw, 26px) 0; font-size:clamp(1.06rem, 1.4vw, 1.18rem); font-weight:600; color:var(--ink);
  transition:color var(--t-fast) var(--ease-out);
}
.faq__item summary::-webkit-details-marker{ display:none; }
.faq__item[open] summary{ color:var(--accent-deep); }
@media (hover:hover){ .faq__item summary:hover{ color:var(--accent); } }
.faq__icon{
  position:relative; flex:0 0 auto; width:34px; height:34px; border-radius:50%;
  border:1px solid var(--line); display:grid; place-items:center;
  transition:border-color var(--t-mid) var(--ease-out), background-color var(--t-mid) var(--ease-out), transform var(--t-mid) var(--ease-out);
}
.faq__icon::before,.faq__icon::after{ content:""; position:absolute; inset:0; margin:auto; background:var(--accent); border-radius:1px; }
.faq__icon::before{ width:13px; height:1.8px; }
.faq__icon::after{ width:1.8px; height:13px; transition:transform var(--t-mid) var(--ease-out); }
.faq__item[open] .faq__icon{ background:var(--accent); border-color:transparent; }
.faq__item[open] .faq__icon::before,
.faq__item[open] .faq__icon::after{ background:#fff; }
.faq__item[open] .faq__icon::after{ transform:scaleY(0); }
@media (hover:hover){ .faq__item summary:hover .faq__icon{ border-color:var(--accent); transform:rotate(90deg); } .faq__item[open] summary:hover .faq__icon{ transform:none; } }
/* answer reveal */
.faq__a{ display:grid; grid-template-rows:0fr; transition:grid-template-rows var(--t-mid) var(--ease-out); }
.faq__item[open] .faq__a{ grid-template-rows:1fr; }
.faq__a > p{ overflow:hidden; color:var(--ink-2); padding-bottom:25px; max-width:66ch; text-wrap:pretty; }
@media (prefers-reduced-motion: reduce){ .faq__a{ transition:none; } }

/* =========================================================
   Contact — dark close
   ========================================================= */
.contact{
  position:relative; isolation:isolate; overflow:hidden;
  background:linear-gradient(180deg, var(--bg) 0%, var(--graphite) 9%, var(--graphite-2) 100%);
  color:var(--on-dark); text-align:center;
}
.contact::before{
  content:""; position:absolute; inset:0; z-index:-1; pointer-events:none;
  background-image:linear-gradient(oklch(1 0 0 / .03) 1px, transparent 1px),
                   linear-gradient(90deg, oklch(1 0 0 / .03) 1px, transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(90% 70% at 50% 46%, #000, transparent 76%);
          mask-image:radial-gradient(90% 70% at 50% 46%, #000, transparent 76%);
}
.contact::after{
  content:""; position:absolute; z-index:-1; left:50%; top:42%; transform:translate(-50%,-50%);
  width:min(70vw, 760px); aspect-ratio:1; border-radius:50%; pointer-events:none;
  background:radial-gradient(circle, oklch(0.55 0.09 200 / .22), transparent 60%); filter:blur(26px);
}
.contact__inner{ max-width:760px; margin-inline:auto; }
.contact__logo{ width:148px; height:auto; margin:0 auto clamp(26px,3vw,38px); opacity:.92; }
.contact__title{ font-family:var(--font-display); font-weight:400; font-size:clamp(2.2rem, 5vw, 3.6rem); line-height:1.04; letter-spacing:-.03em; color:#fff; text-wrap:balance; }
.contact__lead{ margin-top:22px; color:var(--on-dark-mut); font-size:1.12rem; max-width:54ch; margin-inline:auto; text-wrap:pretty; }
.contact__actions{ display:flex; flex-wrap:wrap; gap:14px; justify-content:center; align-items:center; margin-top:38px; }

/* =========================================================
   Footer
   ========================================================= */
.footer{ position:relative; overflow:hidden; background:var(--graphite-2); color:var(--on-dark-mut); padding-block:48px; }
.footer__mark{ position:absolute; right:1%; bottom:-14%; width:min(34vw, 380px); height:auto; opacity:.05; pointer-events:none; }
.footer__inner{ position:relative; z-index:1; }
.footer__inner{ display:grid; grid-template-columns:auto 1fr; gap:28px 56px; align-items:start; }
.footer__brand{ display:flex; align-items:center; gap:13px; }
.footer__brand .nav__mark{ background:oklch(0.965 0.004 250 / .12); color:var(--on-dark); }
.footer__brand strong{ display:block; color:#fff; font-size:1rem; }
.footer__brand span{ font-size:.86rem; }
.footer__nav{ display:flex; gap:24px; flex-wrap:wrap; justify-self:end; }
.footer__nav a{ font-size:.9rem; transition:color .2s var(--ease-out); }
@media (hover:hover){ .footer__nav a:hover{ color:#fff; } }
.footer__legal{ grid-column:1/-1; border-top:1px solid var(--line-dark); padding-top:22px; font-size:.82rem; line-height:1.6; color:oklch(0.965 0.004 250 / .5); display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap; }

/* =========================================================
   Lightbox
   ========================================================= */
.lightbox{ position:fixed; inset:0; z-index:100; display:grid; place-items:center; padding:24px;
  background:oklch(0.16 0.012 250 / .92); backdrop-filter:blur(6px); opacity:0; transition:opacity .25s var(--ease-out); }
.lightbox.open{ opacity:1; }
.lightbox[hidden]{ display:none; }
.lb__figure{ margin:0; max-width:min(860px, 92vw); text-align:center; transform:scale(0.96); transition:transform .3s var(--ease-out); }
.lightbox.open .lb__figure{ transform:scale(1); }
.lb__figure img{ max-height:78vh; width:auto; margin-inline:auto; border-radius:12px; box-shadow:0 40px 90px -30px oklch(0 0 0 / .7); }
.lb__figure figcaption{ margin-top:18px; color:#fff; }
.lb__figure figcaption strong{ display:block; font-family:var(--font-display); font-weight:400; font-size:1.3rem; letter-spacing:-.01em; }
.lb__figure figcaption span{ display:block; margin-top:7px; color:oklch(1 0 0 / .72); font-size:.96rem; max-width:54ch; margin-inline:auto; text-wrap:pretty; }
.lb__btn{ position:absolute; background:oklch(1 0 0 / .1); border:1px solid oklch(1 0 0 / .2); color:#fff; width:50px; height:50px; border-radius:50%; cursor:pointer; font-size:1.6rem; line-height:1; display:grid; place-items:center; transition:background-color .2s var(--ease-out), transform .2s var(--ease-out); }
@media (hover:hover){ .lb__btn:hover{ background:oklch(1 0 0 / .2); } }
.lb__btn:active{ transform:scale(0.94); }
.lb__close{ top:22px; right:22px; }
.lb__prev{ left:22px; top:50%; transform:translateY(-50%); }
.lb__next{ right:22px; top:50%; transform:translateY(-50%); }
@media (prefers-reduced-motion: reduce){
  .lightbox,.lb__figure{ transition:none; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:980px){
  .teaching__grid{ grid-template-columns:1fr; gap:36px; }
  .teaching__intro{ position:static; }
  .faq__grid{ grid-template-columns:1fr; gap:24px; }
  .faq__head{ position:static; }
  .cred{ grid-template-columns:1fr; gap:clamp(28px, 4vw, 40px); }
  .career__track{ grid-template-columns:repeat(3, 1fr); row-gap:34px; }
  .career__track::before, .career__track::after{ display:none; }
  .career__item{ grid-template-rows:auto auto; gap:10px 0; padding-bottom:18px; border-bottom:1px solid var(--line-soft); }
  .career__node{ display:none; }
  .career__label{ padding-top:0; }
  .approach__layout{ grid-template-columns:1fr; gap:24px; }
  .approach__visual{ position:static; }
  .approach__visual img{ aspect-ratio:16/10; }
}
@media (max-width:880px){
  .nav__links, .nav__cta{ display:none; }
  .nav__burger{ display:flex; }
  .nav__mobile{ display:block; }
  .nav__mobile[hidden]{ display:none; }
  .nav__mobile{ position:absolute; left:0; right:0; top:70px; background:var(--surface); border-top:1px solid var(--line); border-bottom:1px solid var(--line); padding:8px var(--gut) 20px; display:flex; flex-direction:column; box-shadow:0 24px 50px -30px oklch(0.2 0.02 250 / .4); }
  .nav__mobile a:not(.btn){ padding:14px 0; font-size:1rem; font-weight:500; color:var(--ink); border-bottom:1px solid var(--line-soft); }
  .nav__mobile .btn{ margin-top:18px; align-self:flex-start; }

  .hero{ min-height:auto; display:flex; flex-direction:column; padding-top:24px; padding-bottom:0; }
  .hero__inner{ order:1; }
  .hero__portrait{
    position:relative; order:2; right:auto; bottom:auto; margin:14px auto 0;
    height:auto; width:min(90%, 400px);
    -webkit-mask-image:linear-gradient(180deg, #000 88%, transparent 100%);
    mask-image:linear-gradient(180deg, #000 88%, transparent 100%);
  }
  .hero__glow{ right:-12%; bottom:4%; width:108vw; }
  .hero__title{ font-size:clamp(2.5rem, 12vw, 3.6rem); }
  .hero__lead{ max-width:42ch; }

  .cases__feature{ grid-template-columns:1fr; }
  .cases__grid{ grid-template-columns:1fr 1fr; }
  .media__grid{ grid-template-columns:1fr; }
  .mcard--feature{ grid-column:auto; grid-row:auto; }
  .mcard--feature .mcard__title{ font-size:1.4rem; hyphens:auto; }
  .hero__wordmark{ width:120vw; right:-30%; opacity:.07; }
  .needs{ grid-template-columns:1fr; }
}
@media (max-width:640px){
  body{ font-size:16px; }
  .cases__grid{ grid-template-columns:1fr; }
  .career__track{ grid-template-columns:1fr; gap:0; }
  .career__item{ grid-template-columns:96px 1fr; grid-template-rows:auto; align-items:baseline; gap:16px; padding-block:18px; border-bottom:none; border-top:1px solid var(--line); }
  .career__item:first-child{ border-top:none; }
  .career__val{ min-width:88px; }
  .career__label{ max-width:none; padding-top:0; }
  .footer__inner{ grid-template-columns:1fr; }
  .footer__nav{ justify-self:start; }
  .footer__legal{ flex-direction:column; gap:10px; }
  .contact__actions .btn{ width:100%; }
}

/* =========================================================
   Enhancement layer (enhance.js): living OGL hero field +
   Lenis smooth scroll. Progressive: absent without JS/WebGL,
   fully OFF under prefers-reduced-motion.
   ========================================================= */
.hero__canvas{
  position:absolute; inset:0; z-index:1; width:100%; height:100%;
  pointer-events:none; opacity:0;
  transition:opacity 1.4s var(--ease-out);
  mix-blend-mode:normal;
}
.hero__canvas.ready{ opacity:.5; }
@media (prefers-reduced-motion: reduce){ .hero__canvas{ display:none !important; } }

/* Lenis (smooth scroll) — recommended baseline rules */
html.lenis,html.lenis body{ height:auto; }
.lenis.lenis-smooth{ scroll-behavior:auto !important; }
.lenis.lenis-smooth [data-lenis-prevent]{ overscroll-behavior:contain; }
.lenis.lenis-stopped{ overflow:hidden; }
.lenis.lenis-smooth iframe{ pointer-events:none; }

/* Scroll progress bar — fills as the page scrolls (native scroll-driven,
   absent where unsupported or at reduced-motion). */
.scrollbar{
  position:fixed; inset:0 0 auto 0; height:3px; z-index:60;
  transform:scaleX(0); transform-origin:0 50%;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  pointer-events:none;
}
@supports (animation-timeline: scroll()){
  @media (prefers-reduced-motion: no-preference){
    .scrollbar{ animation:scrollProgress linear both; animation-timeline:scroll(root); }
  }
}
@keyframes scrollProgress{ from{ transform:scaleX(0); } to{ transform:scaleX(1); } }

/* PhotoSwipe caption (title + description over the dimmed backdrop) */
.pswp__caption{
  position:absolute; left:0; right:0; bottom:0; z-index:10; pointer-events:none;
  display:flex; flex-direction:column; gap:4px; text-align:center;
  padding:20px 24px calc(20px + env(safe-area-inset-bottom)); color:#fff;
  font-family:var(--font);
  background:linear-gradient(to top, oklch(0.18 0.02 250 / .82), transparent);
}
.pswp__caption:empty{ display:none; }
.pswp__caption strong{ font-weight:600; font-size:1.02rem; letter-spacing:-.01em; }
.pswp__caption span{ font-size:.88rem; color:oklch(0.9 0.02 210); }