/* =========================================================
   BIMTER — design system
   Palette derived directly from the logo:
   navy #092751 · steel #3C5474 / #233D62 · silver #9FA9B4 / #C5CCD5
   ========================================================= */

:root {
  /* logo-derived palette */
  --ink:        #051127;   /* deepest background (darkened navy) */
  --ink-2:      #081c3a;   /* raised dark panel */
  --navy:       #092751;   /* primary brand navy (logo) */
  --navy-lift:  #0e3160;   /* lifted navy surface */
  --steel:      #3c5474;   /* mid steel-blue (logo) */
  --steel-deep: #233d62;   /* deep steel (logo) */
  --slate:      #687991;   /* muted slate (logo) */
  --silver:     #9fa9b4;   /* silver-grey (logo) */
  --silver-2:   #c5ccd5;   /* light silver (logo) */
  --paper:      #f4f8fd;   /* near-white */
  --paper-2:    #e7eef6;   /* light panel */
  --white:      #ffffff;

  /* signal = a brightened tint of the SAME logo blue (no foreign hue) */
  --signal:     #6fa0dd;
  --signal-2:   #9ec3ee;
  --signal-soft: rgba(111,160,221,.14);

  --wa:         #25d366;   /* WhatsApp — functional, recognisable */
  --wa-deep:    #1ebe5a;

  /* type */
  --display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Space Mono", ui-monospace, "SFMono-Regular", monospace;

  /* rhythm */
  --maxw: 1200px;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
  --section-y: clamp(5rem, 10vw, 9rem);
  --radius: 14px;
  --hair: rgba(159,169,180,.18);     /* silver hairline on dark */
  --hair-dark: rgba(9,39,81,.14);    /* navy hairline on light */

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*,*::before,*::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--body);
  background: var(--ink);
  color: var(--silver-2);
  line-height: 1.6;
  font-size: clamp(1rem, .96rem + .2vw, 1.0625rem);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, picture, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; padding: 0; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 200;
  background: var(--signal); color: var(--ink); padding: .6rem 1rem; border-radius: 8px;
  font-weight: 600;
}
.skip-link:focus { top: 1rem; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }

/* ---------- shared type devices ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--signal-2);
  margin-bottom: 1.1rem;
}
.eyebrow--dark { color: var(--steel); }

/* grid-bubble marker (BIM column grid) */
.bubble {
  display: inline-grid; place-items: center;
  width: 2.6rem; height: 2.6rem;
  border: 1.5px solid var(--silver);
  border-radius: 50%;
  font-family: var(--mono); font-weight: 700; font-size: 1rem;
  color: var(--silver-2);
  margin-bottom: 1.4rem;
  position: relative;
}
.bubble::before { /* datum tick */
  content: ""; position: absolute; left: 50%; top: -1.1rem;
  width: 1px; height: .8rem; background: var(--hair);
}
.bubble--dark { border-color: var(--steel); color: var(--steel); }
.bubble--dark::before { background: var(--hair-dark); }

.section__title {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.85rem, 1.2rem + 2.6vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -.015em;
  color: var(--paper);
  max-width: 18ch;
}
.section__title--dark { color: var(--navy); }
.section__sub {
  margin-top: 1.1rem; max-width: 56ch; color: var(--slate);
}
.section--services .section__sub,
.section--projects .section__sub,
.section--expertise .section__sub { color: var(--silver); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .8rem 1.3rem; border-radius: 999px;
  font-weight: 600; font-size: .95rem; letter-spacing: .01em;
  transition: transform .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
  will-change: transform;
}
.btn--lg { padding: 1rem 1.6rem; font-size: 1rem; }
.btn--block { width: 100%; justify-content: center; }
.btn--wa { background: var(--wa); color: #06351b; box-shadow: 0 8px 30px -10px rgba(37,211,102,.6); }
.btn--wa:hover { background: var(--wa-deep); transform: translateY(-2px); }
.btn--ghost {
  background: rgba(159,169,180,.06); color: var(--paper);
  border: 1px solid var(--hair); backdrop-filter: blur(4px);
}
.btn--ghost:hover { border-color: var(--signal); transform: translateY(-2px); color: var(--white); }
.btn__arrow { transition: transform .25s var(--ease); }
.btn--ghost:hover .btn__arrow { transform: translateY(3px); }
.wa-glyph { width: 1.15em; height: 1.15em; fill: currentColor; flex: none; }

/* ============ HEADER / NAV ============ */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.site-header.is-stuck {
  background: rgba(5,17,39,.82);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--hair);
}
.nav { display: flex; align-items: center; gap: 1.5rem; min-height: 76px; }
.nav__logo { height: 38px; width: auto; }
.nav__links { display: flex; gap: 1.8rem; margin-left: auto; }
.nav__links a {
  font-size: .92rem; color: var(--silver); font-weight: 500;
  position: relative; padding: .3rem 0; transition: color .2s;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 1.5px; width: 0;
  background: var(--signal); transition: width .28s var(--ease);
}
.nav__links a:hover { color: var(--paper); }
.nav__links a:hover::after { width: 100%; }

.nav__actions { display: flex; align-items: center; gap: 1rem; margin-left: 1rem; }
.lang-switch { display: flex; align-items: center; gap: .25rem; font-family: var(--mono); font-size: .8rem; }
.lang-btn { color: var(--slate); padding: .2rem .15rem; transition: color .2s; letter-spacing: .05em; }
.lang-btn.is-active { color: var(--paper); font-weight: 700; }
.lang-btn:hover { color: var(--signal-2); }
.lang-sep { color: var(--steel); }

.nav__toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav__toggle span { width: 24px; height: 2px; background: var(--paper); border-radius: 2px; transition: transform .3s, opacity .3s; }

/* ============ blueprint grid overlay ============ */
.grid-overlay {
  position: absolute; inset: 0; pointer-events: none; z-index: 1;
  background-image:
    linear-gradient(to right, var(--hair) 1px, transparent 1px),
    linear-gradient(to bottom, var(--hair) 1px, transparent 1px);
  background-size: clamp(48px, 7vw, 88px) clamp(48px, 7vw, 88px);
  opacity: .35;
  -webkit-mask-image: radial-gradient(120% 90% at 50% 30%, #000 30%, transparent 78%);
          mask-image: radial-gradient(120% 90% at 50% 30%, #000 30%, transparent 78%);
}

/* ============ HERO ============ */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); filter: saturate(.9) contrast(1.03) brightness(.92); }
.hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(5,17,39,.62) 0%, rgba(5,17,39,.78) 46%, var(--ink) 100%),
    linear-gradient(90deg, rgba(5,17,39,.86) 0%, rgba(5,17,39,.30) 60%, rgba(5,17,39,.55) 100%);
}
.hero__inner { position: relative; z-index: 2; padding-block: 8rem 5rem; }
.hero__title {
  font-family: var(--display); font-weight: 500;
  font-size: clamp(2.4rem, 1.2rem + 5vw, 5rem);
  line-height: 1.02; letter-spacing: -.025em;
  color: var(--paper); max-width: 18ch; margin-bottom: 1.6rem;
}
.hero__title span { display: block; }
.hero__title-em { color: var(--signal-2); }
.hero__lead { max-width: 54ch; color: var(--silver-2); font-size: clamp(1.05rem, 1rem + .5vw, 1.3rem); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.2rem; }
.hero__meta {
  display: flex; flex-wrap: wrap; gap: 1rem 1.6rem; margin-top: 2.8rem;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--slate);
}
.hero__meta li { display: flex; align-items: center; gap: .6rem; }
.hero__meta li::before { content: ""; width: 7px; height: 7px; border: 1.5px solid var(--signal); border-radius: 50%; }

.hero__scroll { position: absolute; left: 50%; bottom: 1.8rem; transform: translateX(-50%); z-index: 3; width: 26px; height: 42px; border: 1.5px solid var(--silver); border-radius: 14px; }
.hero__scroll span { position: absolute; left: 50%; top: 8px; width: 3px; height: 8px; background: var(--signal); border-radius: 2px; transform: translateX(-50%); animation: scrollcue 1.8s var(--ease) infinite; }
@keyframes scrollcue { 0%{opacity:0; transform:translate(-50%,0)} 30%{opacity:1} 100%{opacity:0; transform:translate(-50%,14px)} }

/* ============ ACRONYM BAND ============ */
.acronym { background: var(--navy); border-block: 1px solid var(--hair); padding-block: clamp(3rem, 6vw, 5rem); }
.acronym__row { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1rem; }
.acronym__row li { border-left: 1px solid var(--hair); padding-left: 1rem; }
.acronym__l { display: block; font-family: var(--display); font-weight: 700; font-size: clamp(2rem, 4vw, 3.4rem); color: var(--paper); line-height: 1; }
.acronym__w { display: block; margin-top: .5rem; font-family: var(--mono); font-size: clamp(.62rem,.9vw,.8rem); letter-spacing: .12em; text-transform: uppercase; color: var(--signal-2); }
.acronym__gloss { margin-top: 2rem; font-family: var(--display); font-size: clamp(1.1rem,2vw,1.5rem); color: var(--silver); font-style: italic; }

/* ============ generic section ============ */
.section { padding-block: var(--section-y); position: relative; }
.section__head { margin-bottom: clamp(2.5rem, 5vw, 4rem); max-width: 60ch; }

/* dark sections sit on body --ink; add a faint top hairline as a "datum" */
.section--services, .section--projects, .section--expertise, .section--contact {
  border-top: 1px solid var(--hair);
}
.section--services { background: linear-gradient(180deg, var(--ink), var(--ink-2)); }
.section--expertise { background: linear-gradient(180deg, var(--ink-2), var(--ink)); }
.section--contact { background: radial-gradient(120% 100% at 80% 0%, var(--navy) 0%, var(--ink) 60%); }

/* light sections */
.section--why, .section--process, .section--about { background: var(--paper); color: var(--steel-deep); }
.section--why .why__lead,
.section--process .step__text,
.section--about .about__text { color: var(--steel-deep); }

/* ============ SERVICES ============ */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--hair); border: 1px solid var(--hair); border-radius: var(--radius); overflow: hidden; }
.card { background: var(--ink); padding: clamp(1.6rem, 3vw, 2.3rem); position: relative; transition: background .3s var(--ease); }
.card:hover { background: var(--navy); }
.card__no { font-family: var(--mono); font-size: .8rem; color: var(--signal); letter-spacing: .1em; }
.card__title { font-family: var(--display); font-weight: 500; font-size: 1.22rem; color: var(--paper); margin: 1.6rem 0 .7rem; letter-spacing: -.01em; }
.card__text { color: var(--silver); font-size: .96rem; }
.card::after { content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 0; background: var(--signal); transition: width .35s var(--ease); }
.card:hover::after { width: 100%; }

/* ============ WHY (light) ============ */
.why__grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.why__lead { margin-top: 1.3rem; max-width: 46ch; font-size: 1.08rem; }
.why__list { display: grid; gap: 1.4rem; }
.why__item { padding: 1.4rem 0; border-top: 1px solid var(--hair-dark); }
.why__item:first-child { border-top: none; }
.why__item h3 { font-family: var(--display); font-weight: 600; font-size: 1.15rem; color: var(--navy); margin-bottom: .35rem; display: flex; align-items: center; gap: .7rem; }
.why__item h3::before { content: ""; width: 9px; height: 9px; border: 2px solid var(--signal); border-radius: 50%; flex: none; }
.why__item p { color: var(--slate); }

/* ============ PROJECTS (bento) ============ */
.pcards { display: grid; grid-template-columns: repeat(6, 1fr); gap: clamp(.7rem, 1.4vw, 1.1rem); margin-bottom: clamp(3rem, 6vw, 5rem); }
.pcard {
  position: relative; grid-column: span 2; min-height: 300px; display: flex;
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--hair); background: var(--ink-2);
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.pcard--feat { grid-column: span 3; min-height: 430px; }
.pcard--wide { grid-column: span 6; min-height: 320px; }
.pcard:hover { transform: translateY(-4px); border-color: var(--signal); box-shadow: 0 24px 50px -28px rgba(0,0,0,.7); }
.pcard picture { position: absolute; inset: 0; }
.pcard img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.pcard:hover img { transform: scale(1.05); }
.pcard::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(5,17,39,0) 28%, rgba(5,17,39,.5) 60%, rgba(5,17,39,.94) 100%); }
.pcard__body { position: relative; z-index: 2; margin-top: auto; padding: clamp(1.2rem, 2.2vw, 1.8rem); width: 100%; }
.pcard__type { font-family: var(--mono); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--signal-2); }
.pcard__name { font-family: var(--display); font-weight: 500; font-size: clamp(1.12rem, 1.5vw, 1.5rem); color: var(--paper); line-height: 1.16; margin: .5rem 0 .45rem; letter-spacing: -.01em; }
.pcard__desc { color: var(--silver-2); font-size: .92rem; max-width: 48ch; }

/* gallery masonry */
.gallery__cap { font-family: var(--mono); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--slate); margin-bottom: 1.3rem; }
.masonry { columns: 4 230px; column-gap: clamp(.6rem, 1.2vw, 1rem); }
.ph { break-inside: avoid; margin-bottom: clamp(.6rem, 1.2vw, 1rem); border-radius: 10px; overflow: hidden; border: 1px solid var(--hair); background: var(--ink-2); }
.ph img { width: 100%; height: auto; transition: transform .6s var(--ease); }
.ph:hover img { transform: scale(1.05); }

/* ============ PROCESS (light) ============ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1.2rem, 2.5vw, 2rem); counter-reset: s; }
.step { position: relative; padding-top: 2.4rem; border-top: 2px solid var(--navy); }
.step__no { font-family: var(--mono); font-weight: 700; font-size: .9rem; color: var(--signal); position: absolute; top: -1px; left: 0; background: var(--paper); padding-right: .7rem; transform: translateY(-50%); }
.step__title { font-family: var(--display); font-weight: 600; font-size: 1.2rem; color: var(--navy); margin-bottom: .5rem; }
.step__text { color: var(--slate); font-size: .96rem; }

/* ============ EXPERTISE ============ */
.expertise__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.expertise__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.stack__h { font-family: var(--mono); font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--signal-2); margin-bottom: 1.1rem; padding-bottom: .8rem; border-bottom: 1px solid var(--hair); }
.stack__list { display: grid; gap: .8rem; }
.stack__list li { color: var(--silver-2); font-weight: 500; display: flex; align-items: center; gap: .7rem; }
.stack__list li::before { content: "—"; color: var(--steel); font-family: var(--mono); }

/* ============ ABOUT (light) ============ */
.about__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: center; }
.about__text { margin-top: 1.3rem; max-width: 50ch; font-size: 1.06rem; }
.about__founder { margin-top: 2rem; padding-top: 1.4rem; border-top: 1px solid var(--hair-dark); display: grid; gap: .3rem; }
.about__founder-k { font-family: var(--mono); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--steel); }
.about__founder-v { color: var(--navy); font-weight: 500; }
.about__shot { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--hair-dark); aspect-ratio: 4/3; }
.about__shot img { width: 100%; height: 100%; object-fit: cover; }
.about__facts { margin-top: 1.4rem; display: grid; gap: .9rem; }
.about__facts li { display: flex; justify-content: space-between; gap: 1rem; padding-bottom: .9rem; border-bottom: 1px solid var(--hair-dark); }
.about__facts .k { font-family: var(--mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--slate); }
.about__facts .v { color: var(--navy); font-weight: 600; text-align: right; }

/* ============ CONTACT ============ */
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.contact__lead { margin-top: 1.2rem; max-width: 42ch; color: var(--silver-2); }
.contact__list { margin-top: 2.2rem; display: grid; gap: 1.3rem; }
.contact__list li { display: grid; gap: .25rem; }
.contact__k { font-family: var(--mono); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--slate); }
.contact__v { font-size: 1.15rem; color: var(--paper); font-weight: 500; transition: color .2s; width: fit-content; }
a.contact__v:hover { color: var(--signal-2); }

.contact__form { background: rgba(159,169,180,.05); border: 1px solid var(--hair); border-radius: var(--radius); padding: clamp(1.4rem, 3vw, 2.2rem); }
.form__hint { font-size: .9rem; color: var(--silver); margin-bottom: 1.4rem; }
.field { display: block; margin-bottom: 1.1rem; }
.field__label { display: block; font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--silver); margin-bottom: .5rem; }
.field input, .field textarea {
  width: 100%; background: rgba(5,17,39,.5); border: 1px solid var(--hair); border-radius: 9px;
  padding: .85rem 1rem; color: var(--paper); font: inherit; transition: border-color .2s, background .2s;
}
.field textarea { resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--slate); }
.field input:focus, .field textarea:focus { border-color: var(--signal); background: rgba(5,17,39,.75); outline: none; }

/* ============ FOOTER ============ */
.site-footer { background: var(--navy); border-top: 1px solid var(--hair); padding-block: clamp(3rem, 6vw, 4.5rem) 1.8rem; }
.footer__inner { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 2.5rem; padding-bottom: 2.5rem; border-bottom: 1px solid var(--hair); }
.footer__logo { height: 40px; width: auto; margin-bottom: 1.2rem; }
.footer__tag { font-family: var(--mono); font-size: .78rem; letter-spacing: .04em; color: var(--silver); max-width: 34ch; }
.footer__nav { display: grid; gap: .7rem; align-content: start; }
.footer__nav a { color: var(--silver); transition: color .2s; width: fit-content; }
.footer__nav a:hover { color: var(--paper); }
.footer__contact { display: grid; gap: .7rem; align-content: start; color: var(--silver); }
.footer__contact a:hover { color: var(--signal-2); }
.footer__base { display: flex; justify-content: space-between; gap: 1rem; padding-top: 1.6rem; font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; color: var(--slate); flex-wrap: wrap; }

/* ============ floating WhatsApp ============ */
.wa-float {
  position: fixed; right: clamp(1rem, 3vw, 2rem); bottom: clamp(1rem, 3vw, 2rem); z-index: 90;
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--wa); color: #06351b; display: grid; place-items: center;
  box-shadow: 0 12px 34px -8px rgba(37,211,102,.7);
  transition: transform .3s var(--ease);
}
.wa-float .wa-glyph { width: 30px; height: 30px; }
.wa-float:hover { transform: scale(1.08); }
.wa-float::after { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--wa); animation: pulse 2.6s ease-out infinite; }
@keyframes pulse { 0%{ transform: scale(1); opacity:.7 } 100%{ transform: scale(1.7); opacity: 0 } }

/* ============ reveal ============ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ============ responsive ============ */
@media (max-width: 1024px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .pcards { grid-template-columns: repeat(4, 1fr); }
  .pcard, .pcard--feat { grid-column: span 2; min-height: 300px; }
  .pcard--wide { grid-column: span 4; }
  .why__grid, .expertise__grid, .about__grid, .contact__grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .nav__links { display: none; }
  .nav__wa span { display: none; }
  .nav__wa { padding: .7rem; }
  .nav__toggle { display: flex; }

  /* mobile menu panel */
  .nav__links.is-open {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 76px; left: 0; right: 0;
    background: rgba(5,17,39,.97); backdrop-filter: blur(14px);
    border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair); padding: .5rem var(--pad) 1rem;
  }
  .nav__links.is-open a { padding: .9rem 0; border-bottom: 1px solid var(--hair); font-size: 1.05rem; }

  .acronym__row { grid-template-columns: repeat(3, 1fr); gap: 1.4rem 1rem; }
  .cards, .steps, .expertise__cols { grid-template-columns: 1fr; }
  .pcards { grid-template-columns: 1fr; }
  .pcard, .pcard--feat, .pcard--wide { grid-column: auto; min-height: 260px; }
  .masonry { columns: 2 140px; }
  .footer__inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero__title { margin-bottom: 1.3rem; }

  /* mobile polish */
  .hero__inner { padding-block: 7rem 4rem; }
  .hero__cta { flex-direction: column; align-items: stretch; gap: .75rem; }
  .hero__cta .btn { justify-content: center; }
  .lang-switch { font-size: .82rem; }
  .nav { gap: .8rem; min-height: 64px; }
  .nav__logo { height: 32px; }
  .nav__links.is-open { top: 64px; }
  .contact__form { padding: 1.3rem; }
  .footer__base { flex-direction: column; gap: .4rem; }
}
@media (max-width: 420px) {
  .gallery__grid { grid-template-columns: 1fr; }
  .acronym__row { grid-template-columns: repeat(2, 1fr); }
}

/* ============ reduced motion ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
  .hero__scroll span { animation: none; }
  .wa-float::after { animation: none; }
}