/* ===== Tshumu Advisory — design tokens ===== */
:root,[data-theme='light']{
  --text-xs:clamp(.75rem,.7rem + .25vw,.875rem);
  --text-sm:clamp(.875rem,.8rem + .35vw,1rem);
  --text-base:clamp(1rem,.95rem + .25vw,1.125rem);
  --text-lg:clamp(1.125rem,1rem + .75vw,1.5rem);
  --text-xl:clamp(1.5rem,1.2rem + 1.25vw,2.25rem);
  --text-2xl:clamp(2rem,1.2rem + 2.5vw,3.5rem);
  --text-3xl:clamp(2.5rem,1rem + 4vw,5rem);

  --space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--space-32:8rem;

  --radius-sm:.5rem;--radius-md:.875rem;--radius-lg:1.25rem;--radius-xl:1.75rem;--radius-full:9999px;
  --transition-interactive:200ms cubic-bezier(.16,1,.3,1);

  --content-wide:1200px;--content-default:980px;

  --font-display:'Cabinet Grotesk','Arial Black',sans-serif;
  --font-body:'General Sans','Helvetica Neue',sans-serif;

  /* LIGHT — warm, soft, approachable */
  --color-bg:#fbf7f0;
  --color-surface:#ffffff;
  --color-surface-2:#f4ede1;
  --color-ink:#2a2117;
  --color-text:#33291d;
  --color-text-muted:#6f6354;
  --color-text-faint:#a89c8a;
  --color-text-inverse:#fbf7f0;
  --color-border:#ece2d2;
  --color-divider:#f0e8db;
  --color-primary:#1aa39a;
  --color-primary-hover:#15847d;
  --color-primary-soft:rgba(26,163,154,.12);
  --color-accent:#e8924a;
  --color-accent-soft:rgba(232,146,74,.14);
  --color-coral:#e07a5f;
  --shadow-sm:0 1px 2px rgba(80,60,30,.05);
  --shadow-md:0 10px 30px rgba(120,90,50,.1);
  --shadow-lg:0 26px 64px rgba(120,90,50,.16);
}
[data-theme='dark']{
  --color-bg:#1c1812;
  --color-surface:#27211a;
  --color-surface-2:#2f2820;
  --color-ink:#15110c;
  --color-text:#f0e8da;
  --color-text-muted:#b6a892;
  --color-text-faint:#80735f;
  --color-text-inverse:#1c1812;
  --color-border:#3a3127;
  --color-divider:#2c251d;
  --color-primary:#36c2b6;
  --color-primary-hover:#58d2c8;
  --color-primary-soft:rgba(54,194,182,.14);
  --color-accent:#f0a05c;
  --color-accent-soft:rgba(240,160,92,.16);
  --color-coral:#e8896e;
  --shadow-sm:0 1px 2px rgba(0,0,0,.35);
  --shadow-md:0 10px 30px rgba(0,0,0,.4);
  --shadow-lg:0 26px 64px rgba(0,0,0,.5);
}
@media (prefers-color-scheme:dark){:root:not([data-theme]){--color-bg:#1c1812;--color-surface:#27211a;--color-surface-2:#2f2820;--color-text:#f0e8da;--color-text-muted:#b6a892;--color-text-faint:#80735f;--color-border:#3a3127;--color-divider:#2c251d;--color-primary:#36c2b6;--color-primary-hover:#58d2c8;--color-primary-soft:rgba(54,194,182,.14);--color-accent:#f0a05c}}

/* ===== layout ===== */
.container{width:min(100% - 2.5rem,var(--content-wide));margin-inline:auto}
.section{padding-block:clamp(var(--space-16),9vw,var(--space-32))}
.section--alt{background:var(--color-surface)}
.section__head{max-width:46rem;margin-bottom:clamp(var(--space-10),5vw,var(--space-16))}
.section__title{font-family:var(--font-display);font-weight:700;font-size:var(--text-xl);letter-spacing:-.02em;color:var(--color-text);margin-bottom:var(--space-5)}
.eyebrow{font-size:var(--text-xs);font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--color-primary);margin-bottom:var(--space-4)}
.eyebrow--light{color:var(--color-primary)}
.lead{font-size:var(--text-lg);color:var(--color-text);margin-bottom:var(--space-5);max-width:40ch}
.section p{color:var(--color-text-muted);margin-bottom:var(--space-4)}
.grid-2{display:grid;grid-template-columns:1fr;gap:clamp(var(--space-10),5vw,var(--space-20));align-items:start}
@media(min-width:860px){.grid-2{grid-template-columns:1fr 1fr}.grid-2--wide{grid-template-columns:.85fr 1.15fr}}

.skip-link{position:absolute;left:-999px;top:.5rem;z-index:200;background:var(--color-primary);color:#021014;padding:.5rem 1rem;border-radius:var(--radius-sm)}
.skip-link:focus{left:.5rem}

/* ===== header ===== */
.header{position:sticky;top:0;z-index:80;background:oklch(from var(--color-bg) l c h /.82);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color var(--transition-interactive),background var(--transition-interactive)}
.header.scrolled{border-bottom-color:var(--color-border)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:4.5rem}
.brand{display:flex;align-items:center;gap:.65rem;color:var(--color-text);text-decoration:none;font-family:var(--font-display);font-weight:800;font-size:1.35rem;letter-spacing:-.01em}
.brand__mark{width:40px;height:34px;display:grid;place-items:center}
.brand__mark .mark-img{width:40px;height:auto;object-fit:contain}
/* theme-based logo swap (header) */
.mark-img--light{display:none}
[data-theme='light'] .header .mark-img--dark{display:none}
[data-theme='light'] .header .mark-img--light{display:block}
.brand--footer .brand__mark{width:38px;height:32px}
.brand--footer .mark-img{width:38px}
.brand__name{display:flex;flex-direction:column;line-height:1}
.brand__sub{font-family:var(--font-body);font-size:.5rem;font-weight:500;letter-spacing:.24em;text-transform:uppercase;color:var(--color-text-faint);margin-top:3px}
.nav{display:none;align-items:center;gap:var(--space-8)}
@media(min-width:920px){.nav{display:flex}}
.nav a{color:var(--color-text-muted);text-decoration:none;font-size:var(--text-sm);font-weight:500}
.nav a:hover{color:var(--color-text)}
.nav__cta{color:var(--color-primary)!important;font-weight:600}
.header__actions{display:flex;align-items:center;gap:var(--space-3)}
.icon-btn{width:40px;height:40px;border-radius:var(--radius-full);display:grid;place-items:center;color:var(--color-text-muted);border:1px solid var(--color-border)}
.icon-btn:hover{color:var(--color-text);border-color:var(--color-primary)}
.menu-btn{display:grid;gap:5px;width:42px;height:42px;place-content:center;border-radius:var(--radius-md);border:1px solid var(--color-border)}
.menu-btn span{display:block;width:18px;height:2px;background:var(--color-text);border-radius:2px;transition:transform .2s,opacity .2s}
.menu-btn[aria-expanded='true'] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn[aria-expanded='true'] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded='true'] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(min-width:920px){.menu-btn{display:none}}
.mobile-nav{display:none;flex-direction:column;padding:var(--space-4) var(--space-6) var(--space-8);gap:var(--space-2);border-bottom:1px solid var(--color-border);background:var(--color-bg)}
.mobile-nav.open{display:flex}
.mobile-nav a{color:var(--color-text);text-decoration:none;font-size:var(--text-base);font-weight:500;padding:var(--space-3) 0;border-bottom:1px solid var(--color-divider)}
.mobile-nav a:last-child{border-bottom:none;color:var(--color-primary)}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:600;font-size:var(--text-sm);padding:.85rem 1.6rem;border-radius:var(--radius-full);text-decoration:none;line-height:1}
.btn--primary{background:var(--color-primary);color:#fff;box-shadow:0 6px 18px rgba(26,163,154,.28)}
.btn--primary:hover{background:var(--color-primary-hover);transform:translateY(-2px)}
.btn--ghost{color:var(--color-text);border:1px solid var(--color-border)}
.btn--ghost:hover{border-color:var(--color-primary);color:var(--color-primary)}
.btn--sm{padding:.65rem 1.2rem}
.btn--full{width:100%}

/* ===== hero ===== */
.hero{position:relative;min-height:clamp(560px,84vh,840px);display:flex;align-items:center;overflow:hidden;background:var(--color-ink)}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center right}
.hero__scrim{position:absolute;inset:0;background:linear-gradient(100deg,rgba(34,24,12,.92) 0%,rgba(40,28,14,.74) 36%,rgba(40,28,14,.34) 66%,rgba(40,28,14,.12) 100%)}
.hero__inner{position:relative;z-index:1;padding-block:clamp(var(--space-16),12vw,var(--space-32))}
.hero .eyebrow{color:#f0c08a}
.hero__title{font-family:var(--font-display);font-weight:700;font-size:var(--text-3xl);letter-spacing:-.01em;color:#fff;max-width:16ch;margin-bottom:var(--space-6);word-spacing:.04em}
.hero__title span{color:#f0a05c}
.hero__lede{font-size:var(--text-lg);color:#ece0cc;max-width:54ch;margin-bottom:var(--space-8)}
.hero__actions{display:flex;flex-wrap:wrap;gap:var(--space-4);margin-bottom:var(--space-12)}
.hero__actions .btn--ghost{color:#f7efe1;border-color:rgba(247,239,225,.35)}
.hero__actions .btn--ghost:hover{border-color:#f0c08a;color:#f0c08a}
.hero__pills{display:flex;flex-wrap:wrap;gap:var(--space-6) var(--space-8)}
.hero__pills li{display:flex;align-items:center;gap:.6rem;color:#ece0cc;font-size:var(--text-sm);font-weight:500}
.hero__pills span{width:36px;height:36px;border-radius:var(--radius-full);background:rgba(240,160,92,.16);border:1px solid rgba(240,160,92,.5);color:#f0c08a;display:grid;place-items:center;font-weight:700}

/* ===== about ===== */
.about__panel{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:clamp(var(--space-6),3vw,var(--space-10));box-shadow:var(--shadow-md)}
.about__panel h3{font-family:var(--font-display);font-size:var(--text-lg);color:var(--color-text);margin-bottom:var(--space-6);padding-bottom:var(--space-4);border-bottom:1px solid var(--color-divider)}
.creds{display:grid;gap:var(--space-5)}
.creds li{display:flex;flex-direction:column;gap:2px;padding-left:var(--space-5);position:relative}
.creds li::before{content:"";position:absolute;left:0;top:.55rem;width:8px;height:8px;border-radius:2px;background:var(--color-primary);transform:rotate(45deg)}
.creds strong{color:var(--color-text);font-weight:600}
.creds span{color:var(--color-text-muted);font-size:var(--text-sm)}

/* ===== service cards ===== */
.cards{display:grid;grid-template-columns:1fr;gap:var(--space-6)}
@media(min-width:760px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:clamp(var(--space-6),3vw,var(--space-8));transition:transform var(--transition-interactive),border-color var(--transition-interactive),box-shadow var(--transition-interactive)}
.section--alt .card{background:var(--color-bg)}
.card:hover{transform:translateY(-4px);border-color:var(--color-primary);box-shadow:var(--shadow-md)}
.card__icon{display:grid;place-items:center;width:54px;height:54px;border-radius:var(--radius-md);background:var(--color-primary-soft);color:var(--color-primary);font-family:var(--font-display);font-weight:800;font-size:1.35rem;margin-bottom:var(--space-5)}
.card:nth-child(2) .card__icon{background:var(--color-accent-soft);color:var(--color-accent)}
.card:nth-child(3) .card__icon{background:rgba(224,122,95,.14);color:var(--color-coral)}
.card h3{font-family:var(--font-display);font-size:var(--text-lg);color:var(--color-text);margin-bottom:var(--space-3)}
.card p{margin-bottom:0}

/* who */
.who{margin-top:clamp(var(--space-12),6vw,var(--space-20));text-align:center}
.who__label{font-size:var(--text-xs);font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--color-text-faint);margin-bottom:var(--space-5)}
.who__tags{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-3);margin-bottom:var(--space-6)}
.who__tags span{padding:.55rem 1.1rem;border:1px solid var(--color-border);border-radius:var(--radius-full);font-size:var(--text-sm);color:var(--color-text-muted)}
.who__line{font-family:var(--font-display);font-size:var(--text-lg);color:var(--color-text);font-weight:500}

/* ===== approach steps ===== */
.steps{display:grid;grid-template-columns:1fr;gap:var(--space-6);counter-reset:step;margin-bottom:clamp(var(--space-12),6vw,var(--space-20))}
@media(min-width:680px){.steps{grid-template-columns:repeat(4,1fr)}}
.steps li{position:relative;padding-top:var(--space-6)}
.steps li::after{content:"";position:absolute;top:1.3rem;left:3.4rem;right:-1.5rem;height:1px;background:var(--color-divider)}
@media(max-width:679px){.steps li::after{display:none}}
.steps li:last-child::after{display:none}
.steps__num{display:grid;place-items:center;width:50px;height:50px;border-radius:var(--radius-full);background:var(--color-primary);color:#fff;font-family:var(--font-display);font-weight:800;margin-bottom:var(--space-4);position:relative;z-index:1}
.steps li:nth-child(2) .steps__num{background:var(--color-accent)}
.steps li:nth-child(3) .steps__num{background:var(--color-coral)}
.steps li:nth-child(4) .steps__num{background:var(--color-primary-hover)}
.steps h3{font-family:var(--font-display);font-size:var(--text-lg);color:var(--color-text);margin-bottom:var(--space-2)}
.steps p{margin-bottom:0;font-size:var(--text-sm)}

/* results */
.results{display:grid;grid-template-columns:1fr;gap:var(--space-5)}
@media(min-width:680px){.results{grid-template-columns:repeat(3,1fr)}}
.result{background:var(--color-surface);border:1px solid var(--color-border);border-top:4px solid var(--color-primary);border-radius:var(--radius-lg);padding:clamp(var(--space-6),3vw,var(--space-8));box-shadow:var(--shadow-sm)}
.result:nth-child(2){border-top-color:var(--color-accent)}
.result:nth-child(3){border-top-color:var(--color-coral)}
.result strong{display:block;font-family:var(--font-display);font-size:var(--text-2xl);font-weight:800;color:var(--color-primary);letter-spacing:-.02em}
.result:nth-child(2) strong{color:var(--color-accent)}
.result:nth-child(3) strong{color:var(--color-coral)}
.result span{display:block;font-weight:600;color:var(--color-text);margin:var(--space-2) 0}
.result em{font-style:normal;font-size:var(--text-sm);color:var(--color-text-muted)}

/* ===== work ===== */
.work-grid{display:grid;grid-template-columns:1fr;gap:var(--space-6)}
@media(min-width:760px){.work-grid{grid-template-columns:repeat(3,1fr)}}
.work{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:clamp(var(--space-6),3vw,var(--space-8));transition:transform var(--transition-interactive),border-color var(--transition-interactive)}
.work:hover{transform:translateY(-4px);border-color:var(--color-primary)}
.work__tag{font-size:var(--text-xs);font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--color-primary);margin-bottom:var(--space-3)!important}
.work h3{font-family:var(--font-display);font-size:var(--text-lg);color:var(--color-text);margin-bottom:var(--space-3)}
.work p{margin-bottom:0;font-size:var(--text-sm)}
.work__note{text-align:center;margin-top:var(--space-10);color:var(--color-text-faint);font-size:var(--text-sm)}

/* ===== timeline ===== */
.timeline{display:grid;gap:var(--space-6);border-left:2px solid var(--color-divider);padding-left:var(--space-8)}
.timeline li{position:relative}
.timeline li::before{content:"";position:absolute;left:calc(-1 * var(--space-8) - 6px);top:.4rem;width:11px;height:11px;border-radius:var(--radius-full);background:var(--color-bg);border:2px solid var(--color-primary)}
.timeline__date{font-size:var(--text-xs);font-weight:600;letter-spacing:.06em;color:var(--color-primary);text-transform:uppercase}
.timeline h3{font-family:var(--font-display);font-size:var(--text-base);color:var(--color-text);margin:var(--space-2) 0}
.timeline p{margin-bottom:0;font-size:var(--text-sm)}

/* ===== contact ===== */
.section--contact{background:linear-gradient(160deg,#15847d 0%,#1aa39a 60%,#27a89a 100%);color:#eafaf7}
[data-theme='dark'] .section--contact{background:linear-gradient(160deg,#134f4a 0%,#1a6f68 100%)}
.section--contact .section__title{color:#fff}
.section--contact .eyebrow--light{color:#bdf0e8}
.contact{display:grid;grid-template-columns:1fr;gap:clamp(var(--space-10),5vw,var(--space-20));align-items:start}
@media(min-width:860px){.contact{grid-template-columns:1fr 1fr}}
.contact__lede{color:#e4f7f3!important;font-size:var(--text-lg);max-width:46ch}
.contact__links{display:grid;gap:var(--space-4);margin-top:var(--space-8)}
.contact__link{display:flex;flex-direction:column;gap:2px;color:#f3fdfb;text-decoration:none;font-size:var(--text-base);font-weight:500}
a.contact__link:hover{color:#ffd9a8}
.contact__link span{font-size:var(--text-xs);letter-spacing:.14em;text-transform:uppercase;color:#a9e3da;font-weight:600}
.contact__form{background:rgba(255,255,255,.1);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-xl);padding:clamp(var(--space-6),3vw,var(--space-10));display:grid;gap:var(--space-5)}
.field{display:grid;gap:var(--space-2)}
.field label{font-size:var(--text-sm);font-weight:500;color:#e4f7f3}
.field input,.field textarea{background:rgba(255,255,255,.92);border:1px solid rgba(255,255,255,.4);border-radius:var(--radius-md);padding:.8rem 1rem;color:#33291d;font-size:var(--text-base);resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,217,168,.5)}
.section--contact .btn--primary{background:#e8924a;color:#fff;box-shadow:0 6px 18px rgba(0,0,0,.18)}
.section--contact .btn--primary:hover{background:#f0a05c}
.form__note{font-size:var(--text-sm);color:#fff4e4;min-height:1.2em;margin:0}

/* ===== footer ===== */
.footer{background:var(--color-ink);border-top:1px solid rgba(255,255,255,.06);padding-block:var(--space-12) var(--space-8);color:#cdbfa8}
.footer__inner{display:flex;flex-direction:column;align-items:center;gap:var(--space-4);text-align:center}
.brand--footer{color:#fff;font-size:1.4rem}
.footer__tag{font-family:var(--font-display);font-size:var(--text-lg);color:#fff;margin:0}
.footer__meta{font-size:var(--text-sm);color:#b6a892;margin:0}
.footer__copy{text-align:center;font-size:var(--text-xs);color:#80735f;margin-top:var(--space-8)}
/* approach illustration */
.approach__media{margin-top:clamp(var(--space-12),6vw,var(--space-16));border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--color-border);box-shadow:var(--shadow-md);max-width:920px;margin-inline:auto}
.approach__media img{width:100%;display:block}

/* ===== reveal ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}