/* BASTION — nezavisni vodič i recenzija za arkadnu igru Tower Rush
   Vizuelni DNK: teenage engineering — industrijski katalog pod studijskim svetlom.
   Pet neutrala, hairline tipografija, 0px radijus, bez senki i gradijenata.
   Jedini hromatski ton (amber) rezervisan je za upozorenje (cookie). */

:root {
  --canvas: #f6f8f7;
  --ink: #000000;
  --carbon: #0f0e12;
  --steel: #e5e5e5;
  --graphite: #b2b2b2;
  --amber: #f0a800;
  --link: #0071bb;

  --font: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --w-thin: 100;
  --w-light: 300;
  --w-reg: 400;
  --w-med: 500;

  --max: 1200px;
  --pad: 22px;
  --gap-15: 15px;
  --gap-22: 22px;
  --gap-33: 33px;
  --gap-66: 66px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font);
  font-weight: var(--w-light);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
figure { margin: 0; }
a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

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

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--canvas);
  padding: 10px 16px; font-size: 13px;
}
.skip-link:focus { left: 0; }

/* ---------------------------------------------------------------- Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--canvas);
  border-bottom: 1px solid var(--steel);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 66px;
}
.brand {
  font-weight: var(--w-light);
  font-size: 22px;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  text-decoration: none;
  white-space: nowrap;
}
.brand__accent { color: var(--graphite); }
.brand__img { height: 52px; width: auto; display: block; }

.nav { display: flex; align-items: center; gap: var(--gap-33); }
.nav__list {
  display: flex; align-items: center; gap: var(--gap-22);
  list-style: none; margin: 0; padding: 0;
}
.nav__link {
  font-size: 13px; font-weight: var(--w-light);
  letter-spacing: 0.04em; text-transform: uppercase;
  text-decoration: none; color: var(--ink);
  padding: 4px 0; border-bottom: 1px solid transparent;
}
.nav__link:hover { border-bottom-color: var(--ink); }

.nav__cta {
  font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase;
  text-decoration: none; padding: 9px 16px;
  background: var(--ink); color: var(--canvas);
  border: 1px solid var(--ink);
}
.nav__cta:hover { background: transparent; color: var(--ink); }

.nav__toggle {
  display: none; width: 40px; height: 40px;
  background: none; border: 1px solid var(--steel); cursor: pointer;
  align-items: center; justify-content: center; padding: 0;
}
.nav__toggle svg { width: 18px; height: 18px; stroke: var(--ink); }

/* ---------------------------------------------------------------- Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase;
  font-weight: var(--w-reg);
  text-decoration: none; cursor: pointer;
  padding: 13px 22px; border: 1px solid var(--ink);
  background: var(--ink); color: var(--canvas);
  transition: background .18s ease, color .18s ease;
}
.btn:hover { background: transparent; color: var(--ink); }
.btn svg { width: 16px; height: 16px; }

.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--canvas); }

.btn--light { background: var(--canvas); color: var(--ink); border-color: var(--canvas); }
.btn--light:hover { background: transparent; color: var(--canvas); }

.btn--ghost-light { background: transparent; color: var(--canvas); border-color: var(--graphite); }
.btn--ghost-light:hover { background: var(--canvas); color: var(--ink); border-color: var(--canvas); }

/* ---------------------------------------------------------------- Rating stars */
.stars { display: inline-flex; align-items: center; gap: 8px; }
.stars__glyphs { display: inline-flex; }
.stars__glyphs svg { width: 16px; height: 16px; display: block; }
.stars__num { font-size: 13px; letter-spacing: 0.02em; }

/* ---------------------------------------------------------------- Hero (display case) */
.hero {
  background: var(--carbon);
  color: var(--canvas);
  border-bottom: 1px solid var(--ink);
}
.hero__inner {
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: var(--gap-66); align-items: center;
  padding-block: var(--gap-66);
}
.hero__label {
  font-size: 13px; font-weight: var(--w-thin);
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--graphite); margin: 0 0 var(--gap-22);
}
.hero__title {
  font-weight: var(--w-thin);
  font-size: clamp(38px, 6vw, 66px);
  line-height: 1.04; letter-spacing: -0.01em;
  margin: 0 0 var(--gap-22);
}
.hero__title b { font-weight: var(--w-light); }
.hero__lead {
  font-size: 17px; font-weight: var(--w-light);
  color: #d6d6da; max-width: 46ch; margin: 0 0 var(--gap-33);
}
.hero__meta {
  display: flex; align-items: center; gap: var(--gap-22);
  flex-wrap: wrap; margin-bottom: var(--gap-33);
  padding-block: var(--gap-15); border-block: 1px solid #2a2933;
}
.hero__meta-item { display: flex; flex-direction: column; gap: 4px; }
.hero__meta-key { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--graphite); }
.hero__meta-val { font-size: 15px; }
.hero__actions { display: flex; gap: var(--gap-15); flex-wrap: wrap; }

.hero__media { position: relative; }
.hero__frame {
  border: 1px solid #2a2933;
  padding: 22px;
  display: flex; justify-content: center;
}
.hero__shot {
  width: auto; max-height: 560px; object-fit: contain;
}
.hero__tag {
  position: absolute; left: 0; bottom: -1px;
  font-size: 11px; font-weight: var(--w-thin);
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--graphite); padding: 8px 12px;
  background: var(--carbon); border: 1px solid #2a2933;
}

/* ---------------------------------------------------------------- Section shell */
.section { padding-block: var(--gap-66); border-bottom: 1px solid var(--steel); }
.section--dark {
  background: var(--carbon); color: var(--canvas);
  border-bottom: 1px solid var(--ink);
}
.section__head { max-width: 62ch; margin-bottom: var(--gap-33); }
.section__eyebrow {
  font-size: 11px; font-weight: var(--w-thin);
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--graphite); margin: 0 0 var(--gap-15);
  display: flex; align-items: center; gap: 12px;
}
.section__eyebrow::before {
  content: ""; width: 28px; height: 1px; background: currentColor; display: inline-block;
}
.section__title {
  font-weight: var(--w-light);
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.1; letter-spacing: -0.01em; margin: 0 0 var(--gap-15);
}
.section--dark .section__title { color: var(--canvas); }
.section__lead {
  font-size: 16px; color: #4a4a4f; max-width: 60ch; margin: 0;
}
.section--dark .section__lead { color: #c9c9ce; }

/* ---------------------------------------------------------------- About (overview) */
.about__grid {
  display: grid; grid-template-columns: 1.3fr 1fr;
  gap: var(--gap-66); align-items: start;
}
.about__lede {
  font-weight: var(--w-thin);
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.28; margin: 0 0 var(--gap-22); letter-spacing: -0.005em;
}
.about__body p { margin: 0 0 var(--gap-15); color: #34343a; }
.about__aside { border: 1px solid var(--steel); background: var(--carbon); align-self: start; }
.about__aside-shot { display: block; width: 100%; height: auto; }

/* ---------------------------------------------------------------- Mechanics */
.mech__grid {
  display: grid; grid-template-columns: 0.9fr 1.1fr;
  gap: var(--gap-66); align-items: center;
}
.mech__media { background: var(--carbon); padding: 33px; border: 1px solid var(--ink); }
.mech__shot { margin-inline: auto; max-height: 520px; width: auto; }
.mech__list { list-style: none; margin: 0; padding: 0; }
.mech__item { padding: var(--gap-22) 0; border-top: 1px solid var(--steel); display: grid; grid-template-columns: 46px 1fr; gap: var(--gap-15); }
.mech__item:last-child { border-bottom: 1px solid var(--steel); }
.mech__idx { font-size: 13px; font-weight: var(--w-thin); letter-spacing: 0.1em; color: var(--graphite); }
.mech__h { font-size: 17px; font-weight: var(--w-reg); margin: 0 0 6px; }
.mech__p { margin: 0; color: #4a4a4f; font-size: 15px; }

/* ---------------------------------------------------------------- Features grid */
.features__grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--steel); border-left: 1px solid var(--steel);
}
.feature {
  border-right: 1px solid var(--steel); border-bottom: 1px solid var(--steel);
  padding: var(--gap-33) var(--gap-22);
}
.feature__icon { width: 26px; height: 26px; stroke: var(--ink); fill: none; margin-bottom: var(--gap-22); }
.feature__title { font-size: 16px; font-weight: var(--w-reg); margin: 0 0 10px; }
.feature__text { font-size: 14px; color: #4a4a4f; margin: 0; }

/* ---------------------------------------------------------------- Modes */
.modes__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap-22); }
.mode { border: 1px solid #2a2933; padding: var(--gap-33) var(--gap-22); }
.mode__tag { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--graphite); margin: 0 0 var(--gap-22); }
.mode__title { font-size: 19px; font-weight: var(--w-light); margin: 0 0 12px; color: var(--canvas); }
.mode__text { font-size: 14px; color: #c9c9ce; margin: 0; }

/* ---------------------------------------------------------------- Gallery (display-case grid) */
.gallery__grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px;
  background: var(--steel); border: 1px solid var(--steel);
}
.gallery__item { position: relative; background: var(--carbon); }
.gallery__shot { display: block; width: 100%; height: auto; }
.gallery__cap {
  position: absolute; left: 0; bottom: 0;
  font-size: 11px; font-weight: var(--w-thin); letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--graphite); background: rgba(15,14,18,0.82);
  padding: 7px 10px;
}
.gallery__more { font-size: 13px; color: #4a4a4f; margin-top: var(--gap-22); }

/* ---------------------------------------------------------------- Spec datasheet */
.spec__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 var(--gap-66); }
.spec__row {
  display: flex; align-items: baseline; justify-content: space-between; gap: var(--gap-22);
  padding: var(--gap-15) 0; border-bottom: 1px solid var(--steel);
}
.spec__key { font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--graphite); }
.spec__val { font-size: 15px; text-align: right; }
.spec__val b { font-weight: var(--w-reg); }

/* ---------------------------------------------------------------- Steps */
.steps__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-22); counter-reset: step; }
.step { border-top: 1px solid var(--ink); padding-top: var(--gap-22); }
.step__num { font-weight: var(--w-thin); font-size: 40px; line-height: 1; letter-spacing: -0.02em; margin-bottom: var(--gap-22); }
.step__title { font-size: 16px; font-weight: var(--w-reg); margin: 0 0 8px; }
.step__text { font-size: 14px; color: #4a4a4f; margin: 0; }

/* ---------------------------------------------------------------- Reviews */
.reviews__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--steel); border: 1px solid var(--steel); }
.review { background: var(--canvas); padding: var(--gap-33) var(--gap-22); display: flex; flex-direction: column; gap: var(--gap-15); }
.review__quote { font-size: 15px; font-weight: var(--w-light); color: #26262b; margin: 0; flex: 1; }
.review__foot { display: flex; align-items: center; gap: 12px; }
.review__avatar {
  width: 36px; height: 36px; display: grid; place-items: center;
  background: var(--carbon); color: var(--canvas);
  font-size: 12px; letter-spacing: 0.06em;
}
.review__who { display: flex; flex-direction: column; }
.review__name { font-size: 13px; }
.review__role { font-size: 12px; color: var(--graphite); }

/* ---------------------------------------------------------------- Subscribe */
.subscribe__grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: var(--gap-66); align-items: start; }
.subscribe__note { font-size: 13px; color: var(--graphite); margin-top: var(--gap-22); max-width: 42ch; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap-22); }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--wide { grid-column: 1 / -1; }
.field__label { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--graphite); }
.field__input {
  font-family: inherit; font-size: 15px; font-weight: var(--w-light);
  color: var(--ink); background: var(--canvas);
  border: 1px solid var(--ink); border-radius: 0;
  padding: 12px 14px; width: 100%;
}
.field__input::placeholder { color: var(--graphite); }
.field__input:focus { outline: 2px solid var(--ink); outline-offset: 0; }
.check { grid-column: 1 / -1; display: flex; align-items: flex-start; gap: 12px; font-size: 13px; color: #34343a; }
.check input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--ink); }
.check a { color: var(--link); }
.form__submit { grid-column: 1 / -1; }
.form__success {
  grid-column: 1 / -1; display: none;
  border: 1px solid var(--ink); padding: var(--gap-22);
  font-size: 14px;
}
.form__success.is-visible { display: block; }
.form__success b { font-weight: var(--w-reg); }

/* ---------------------------------------------------------------- FAQ */
.faq__list { border-top: 1px solid var(--steel); }
.faq__item { border-bottom: 1px solid var(--steel); }
.faq__q {
  width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
  font-family: inherit; font-size: 17px; font-weight: var(--w-light); color: var(--ink);
  padding: var(--gap-22) 40px var(--gap-22) 0; position: relative;
  display: flex; align-items: center; justify-content: space-between; gap: var(--gap-22);
}
.faq__icon { width: 16px; height: 16px; stroke: var(--ink); flex: none; transition: transform .2s ease; }
.faq__item.is-open .faq__icon { transform: rotate(45deg); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .28s ease; }
.faq__item.is-open .faq__a { max-height: 400px; }
.faq__a p { margin: 0 0 var(--gap-22); color: #4a4a4f; font-size: 15px; max-width: 66ch; }
@media (prefers-reduced-motion: reduce) {
  .faq__a, .faq__icon { transition: none; }
}

/* ---------------------------------------------------------------- Footer */
.site-footer { background: var(--carbon); color: var(--canvas); }
.site-footer__inner {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--gap-66);
  padding-block: var(--gap-66) var(--gap-33);
}
.footer__brand { font-size: 22px; font-weight: var(--w-light); text-transform: lowercase; margin: 0 0 var(--gap-15); }
.footer__brand span { color: var(--graphite); }
.footer__brand-img { height: 62px; width: auto; display: block; }
.footer__about { font-size: 13px; color: #b8b8bd; max-width: 42ch; margin: 0; }
.footer__col-title { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--graphite); margin: 0 0 var(--gap-22); }
.footer__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.footer__list a { font-size: 14px; font-weight: var(--w-light); color: var(--canvas); text-decoration: none; }
.footer__list a:hover { color: var(--graphite); }
.footer__contact { font-size: 14px; color: var(--canvas); text-decoration: none; border-bottom: 1px solid #2a2933; }
.site-footer__bar {
  border-top: 1px solid #2a2933; padding-block: var(--gap-22);
  display: flex; align-items: center; justify-content: space-between; gap: var(--gap-22);
  flex-wrap: wrap;
}
.site-footer__bar p { margin: 0; font-size: 12px; color: var(--graphite); }
.site-footer__disc { font-size: 12px; color: var(--graphite); max-width: 60ch; }

/* ---------------------------------------------------------------- To top */
.to-top {
  position: fixed; right: 20px; bottom: 20px; z-index: 40;
  width: 46px; height: 46px; display: none; align-items: center; justify-content: center;
  background: var(--ink); border: 1px solid var(--ink); cursor: pointer;
}
.to-top.is-visible { display: flex; }
.to-top svg { width: 18px; height: 18px; stroke: var(--canvas); }

/* ---------------------------------------------------------------- Cookie (amber warning — the one rationed color) */
.cookie {
  position: fixed; left: 20px; bottom: 20px; z-index: 60; max-width: 380px;
  display: none; background: var(--amber); color: var(--ink);
  border: 1px solid var(--ink);
}
.cookie.is-visible { display: block; }
.cookie__inner { display: grid; grid-template-columns: 40px 1fr; gap: var(--gap-15); padding: var(--gap-22); }
.cookie__mark svg { width: 34px; height: 34px; stroke: var(--ink); fill: none; }
.cookie__text { font-size: 13px; margin: 0 0 var(--gap-15); }
.cookie__text a { color: var(--ink); }
.cookie__actions { display: flex; gap: 10px; grid-column: 1 / -1; }
.cookie__btn {
  font-family: inherit; font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase;
  cursor: pointer; padding: 9px 16px; border: 1px solid var(--ink); background: transparent; color: var(--ink);
}
.cookie__btn--accept { background: var(--ink); color: var(--amber); }

/* ---------------------------------------------------------------- Legal pages */
.legal { padding-block: var(--gap-66); }
.legal__head { border-bottom: 1px solid var(--steel); padding-bottom: var(--gap-33); margin-bottom: var(--gap-33); }
.legal__title { font-weight: var(--w-light); font-size: clamp(28px, 4vw, 44px); margin: 0 0 var(--gap-15); letter-spacing: -0.01em; }
.legal__meta { font-size: 13px; color: var(--graphite); margin: 0; }
.legal__body { max-width: 74ch; }
.legal__body h2 { font-size: 20px; font-weight: var(--w-reg); margin: var(--gap-33) 0 var(--gap-15); }
.legal__body h3 { font-size: 16px; font-weight: var(--w-reg); margin: var(--gap-22) 0 10px; }
.legal__body p, .legal__body li { color: #34343a; font-size: 15px; }
.legal__body ul { padding-left: 20px; }
.legal__body li { margin-bottom: 8px; }
.legal__back { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; text-decoration: none; margin-top: var(--gap-33); border-bottom: 1px solid var(--ink); padding-bottom: 4px; }

/* ---------------------------------------------------------------- Responsive */
@media (max-width: 1024px) {
  .features__grid, .modes__grid, .reviews__grid { grid-template-columns: repeat(2, 1fr); }
  .steps__grid { grid-template-columns: repeat(2, 1fr); }
  .gallery__grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 860px) {
  .nav__list, .nav > .nav__cta { display: none; }
  .nav__toggle { display: flex; }
  .nav.is-open { position: absolute; left: 0; right: 0; top: 66px; background: var(--canvas); border-bottom: 1px solid var(--steel); padding: var(--gap-22); }
  .nav.is-open .nav__list { display: flex; flex-direction: column; align-items: flex-start; gap: var(--gap-22); }
  .nav.is-open .nav__cta { display: inline-flex; margin-top: var(--gap-22); }
  .hero__inner, .about__grid, .mech__grid, .subscribe__grid { grid-template-columns: 1fr; gap: var(--gap-33); }
  .mech__grid .mech__media { order: -1; }
  .spec__grid { grid-template-columns: 1fr; gap: 0; }
  .site-footer__inner { grid-template-columns: 1fr; gap: var(--gap-33); }
}
@media (max-width: 620px) {
  :root { --gap-66: 44px; }
  .features__grid, .modes__grid, .reviews__grid, .steps__grid { grid-template-columns: 1fr; }
  .gallery__grid { grid-template-columns: repeat(2, 1fr); }
  .form { grid-template-columns: 1fr; }
  .hero__shot { max-height: 420px; }
}