/* ============================================================
   Polskamp Asia Pacific — site-wide styles
   Tokens, layout primitives, components for the marketing site.
   ============================================================ */

:root {
  --color-brand:        #C8102E;
  --color-brand-dark:   #97091F;
  --color-brand-soft:   #FDE8EB;
  --color-accent:       #1F2A37;
  --color-accent-soft:  #2D3A4B;
  --color-ink:          #111827;
  --color-ink-soft:     #4B5563;
  --color-ink-muted:    #6B7280;
  --color-bone:         #F7F4EF;
  --color-paper:        #FFFFFF;
  --color-line:         #E5E7EB;
  --color-line-soft:    #F0F0F0;
  --color-success:      #16A34A;

  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  24px;
  --space-6:  32px;
  --space-7:  48px;
  --space-8:  64px;
  --space-9:  96px;
  --space-10: 128px;

  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 2px rgba(17,24,39,.05);
  --shadow:    0 4px 14px rgba(17,24,39,.08);
  --shadow-lg: 0 10px 30px rgba(17,24,39,.12);

  --content-max: 1200px;
  --prose-max:   70ch;

  --font-heading: 'Manrope', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--color-brand-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 var(--space-4);
  color: var(--color-ink);
}
h1 { font-size: clamp(2rem, 4vw, 3.25rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 2.5vw, 2.25rem); letter-spacing: -0.01em; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }
p  { margin: 0 0 var(--space-4); max-width: var(--prose-max); }
ul, ol { margin: 0 0 var(--space-4); padding-left: 1.25rem; }
li { margin-bottom: var(--space-2); }

/* ---------- Layout ---------- */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
}
.section { padding: var(--space-8) 0; }
@media (min-width: 720px) { .section { padding: var(--space-9) 0; } }
.section--bone   { background: var(--color-bone); }
.section--dark   { background: var(--color-accent); color: #E5E7EB; }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }
.section--brand  { background: var(--color-brand); color: #fff; }
.section--brand h1, .section--brand h2, .section--brand h3 { color: #fff; }

.eyebrow {
  display: inline-block;
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-brand);
  margin-bottom: var(--space-3);
}
.section--dark .eyebrow { color: #FCA5A5; }

.grid {
  display: grid;
  gap: var(--space-5);
}
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }
@media (min-width: 720px) {
  .grid--2 { grid-template-columns: 1fr 1fr; }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-line);
  transition: background-color 200ms ease, border-color 200ms ease, backdrop-filter 200ms ease;
}

/* On the home page the header overlays the hero so its transparent
   state shows the hero image through it, not the page background. */
body.is-home .site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
}
body.is-home .site-header:not(.is-scrolled) {
  background: transparent;
  backdrop-filter: none;
  border-bottom-color: transparent;
}
body.is-home .site-header:not(.is-scrolled) .site-header__logo-sub { color: #fff; }
body.is-home .site-header:not(.is-scrolled) .site-nav__list a { color: #fff; }
body.is-home .site-header:not(.is-scrolled) .site-nav__list a:hover,
body.is-home .site-header:not(.is-scrolled) .site-nav__list a[aria-current="page"] {
  color: #fff;
  border-bottom-color: #fff;
}
body.is-home .site-header:not(.is-scrolled) .nav-toggle span { background: #fff; }
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) 0;
}
.site-header__logo {
  display: inline-flex;
  align-items: center;
  position: relative;
}
.site-header__logo img,
.site-header__logo svg { height: 44px; width: auto; display: block; }
.site-header__logo img.site-header__logo-img--light { display: none; }
body.is-home .site-header:not(.is-scrolled) .site-header__logo img.site-header__logo-img--dark { display: none; }
body.is-home .site-header:not(.is-scrolled) .site-header__logo img.site-header__logo-img--light { display: block; }
.site-header__logo-sub {
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: -6px;
  font-family: 'Manrope', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: #1F2A37;
  line-height: 1;
  pointer-events: none;
}

.site-nav { display: none; }
.site-nav__list {
  list-style: none;
  display: flex;
  gap: var(--space-5);
  margin: 0; padding: 0;
}
.site-nav__list a {
  color: var(--color-ink);
  font-weight: 500;
  font-size: .95rem;
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
  transition: border-color 120ms ease, color 120ms ease;
}
.site-nav__list a:hover {
  color: var(--color-brand);
  border-bottom-color: var(--color-brand);
  text-decoration: none;
}
.site-nav__list a[aria-current="page"] {
  color: var(--color-brand);
  border-bottom-color: var(--color-brand);
}
.site-nav__cta { margin-left: var(--space-4); }

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: 0;
  padding: var(--space-2);
  cursor: pointer;
}
.nav-toggle span {
  display: block; width: 26px; height: 2px;
  background: var(--color-ink);
  transition: transform 150ms ease, opacity 150ms ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-nav {
  display: none;
  border-top: 1px solid var(--color-line);
  background: #fff;
  padding: var(--space-3) 0 var(--space-5);
}
.mobile-nav[aria-hidden="false"] { display: block; }
.mobile-nav__list {
  list-style: none; padding: 0; margin: 0;
}
.mobile-nav__list li { margin: 0; }
.mobile-nav__list a {
  display: block;
  padding: var(--space-3) var(--space-5);
  color: var(--color-ink);
  font-weight: 500;
  border-bottom: 1px solid var(--color-line-soft);
}
.mobile-nav__list a:hover { background: var(--color-bone); text-decoration: none; }

@media (min-width: 960px) {
  .site-nav { display: block; }
  .site-nav__inner { display: flex; align-items: center; }
  .nav-toggle { display: none; }
  .mobile-nav { display: none !important; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: linear-gradient(180deg, rgba(31,42,55,.78) 0%, rgba(31,42,55,.60) 100%),
              url('../img/port%20at%20dusk.png') center/cover no-repeat,
              var(--color-accent);
  color: #fff;
  padding: var(--space-9) 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
}
.hero h1 { color: #fff; }
.hero p.lede {
  font-size: 1.125rem;
  color: #E5E7EB;
  margin-bottom: var(--space-5);
}
.hero__ctas { display: flex; gap: var(--space-3); flex-wrap: wrap; }

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: var(--space-6);
  transform: translateX(-50%);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: #fff;
  text-decoration: none;
  font-family: 'Manrope', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  opacity: .85;
  transition: opacity 150ms ease, transform 150ms ease;
}
.hero__scroll:hover {
  opacity: 1;
  text-decoration: none;
  color: #fff;
}
.hero__scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  animation: hero-scroll-bounce 1.8s ease-in-out infinite;
}
@keyframes hero-scroll-bounce {
  0%, 100% { transform: rotate(45deg) translate(0, 0); opacity: .6; }
  50%      { transform: rotate(45deg) translate(6px, 6px); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__scroll-arrow { animation: none; }
}

.page-hero {
  background: var(--color-bone);
  padding: var(--space-8) 0 var(--space-7);
  border-bottom: 1px solid var(--color-line);
}
.page-hero p.lede { font-size: 1.125rem; color: var(--color-ink-soft); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 150ms ease, border-color 150ms ease, color 150ms ease, transform 80ms ease;
  line-height: 1;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:focus-visible {
  outline: 3px solid rgba(200,16,46,.35);
  outline-offset: 2px;
}
.btn--primary {
  background: var(--color-brand);
  color: #fff;
  border-color: var(--color-brand);
}
.btn--primary:hover { background: var(--color-brand-dark); border-color: var(--color-brand-dark); color: #fff; }
.btn--ghost {
  background: transparent;
  color: var(--color-brand);
  border-color: var(--color-brand);
}
.btn--ghost:hover { background: var(--color-brand-soft); color: var(--color-brand-dark); }
.btn--ghost-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.7);
}
.btn--ghost-light:hover { background: rgba(255,255,255,.12); }
.btn--dark {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn--dark:hover { background: var(--color-accent-soft); border-color: var(--color-accent-soft); color: #fff; }
.btn--sm { padding: var(--space-2) var(--space-4); font-size: .85rem; }

/* ---------- Cards ---------- */
.card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: var(--space-5);
  transition: box-shadow 150ms ease, transform 150ms ease;
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.card h3 { margin-bottom: var(--space-2); }
.card p { margin-bottom: var(--space-3); color: var(--color-ink-soft); }

.feature {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.feature__icon {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  background: var(--color-brand-soft);
  color: var(--color-brand);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-family: var(--font-heading);
  margin-bottom: var(--space-2);
}
.feature h3 { font-size: 1.125rem; margin-bottom: var(--space-2); }
.feature p  { color: var(--color-ink-soft); margin-bottom: 0; }

/* ---------- Product cards ---------- */
.product-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 150ms ease, transform 150ms ease;
}
.product-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.product-card__media {
  aspect-ratio: 16 / 10;
  background: var(--color-bone);
  overflow: hidden;
}
.product-card__media img { width: 100%; height: 100%; object-fit: cover; }
.product-card__body { padding: var(--space-5); display: flex; flex-direction: column; flex: 1; }
.product-card__title { margin: var(--space-2) 0 var(--space-3); font-size: 1.25rem; }
.product-card__desc  { color: var(--color-ink-soft); font-size: .95rem; margin-bottom: var(--space-4); flex: 1; }
.product-card__link {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-weight: 600; color: var(--color-brand);
}
.product-card__link:hover { color: var(--color-brand-dark); }

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
}

/* ---------- Badges ---------- */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.badge--live      { background: #DCFCE7; color: #15803D; }
.badge--soon      { background: #FEF3C7; color: #92400E; }
.badge--brand     { background: var(--color-brand-soft); color: var(--color-brand-dark); }
.badge--neutral   { background: #F3F4F6; color: #4B5563; }

/* ---------- Certifications strip ---------- */
.cert-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-4);
  align-items: stretch;
  padding: var(--space-5) 0;
}
@media (max-width: 900px) {
  .cert-strip { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 480px) {
  .cert-strip { grid-template-columns: repeat(2, 1fr); }
}
.cert-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-3);
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: 0 1px 2px rgba(17, 24, 39, .04);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.cert-badge:hover {
  transform: translateY(-2px);
  border-color: var(--color-brand);
  box-shadow: 0 6px 18px rgba(200, 16, 46, .12);
}
.cert-badge__icon {
  width: 40px;
  height: 40px;
  color: var(--color-brand);
  flex-shrink: 0;
}
.cert-badge__label {
  font-weight: 700;
  font-size: .78rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-ink);
  white-space: nowrap;
}

/* ---------- Spec table ---------- */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .95rem;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
}
.spec-table th, .spec-table td {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-line-soft);
}
.spec-table th {
  background: var(--color-bone);
  font-weight: 700;
  width: 38%;
  font-family: var(--font-heading);
}
.spec-table tr:last-child th,
.spec-table tr:last-child td { border-bottom: 0; }

/* ---------- CTA strip ---------- */
.cta-strip {
  background: var(--color-accent);
  color: #fff;
  padding: var(--space-7) 0;
}
.cta-strip__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: flex-start;
}
.cta-strip h2 { color: #fff; margin: 0; max-width: 28ch; }
.cta-strip p  { color: #CBD5E1; margin: 0; max-width: 48ch; }
@media (min-width: 720px) {
  .cta-strip__inner { flex-direction: row; align-items: center; justify-content: space-between; }
}

/* ---------- Forms ---------- */
.form { display: grid; gap: var(--space-4); max-width: 640px; }
.form__row { display: grid; gap: var(--space-4); }
@media (min-width: 720px) {
  .form__row--2 { grid-template-columns: 1fr 1fr; }
}
.form__group { display: flex; flex-direction: column; gap: var(--space-2); }
.form__group label {
  font-weight: 600;
  font-size: .9rem;
  color: var(--color-ink);
}
.form__group input,
.form__group select,
.form__group textarea {
  font: inherit;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-ink);
  transition: border-color 120ms ease, box-shadow 120ms ease;
}
.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px rgba(200,16,46,.15);
}
.form__honeypot { position: absolute; left: -9999px; }
.form__status {
  font-size: .9rem;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
}
.form__status--ok    { background: #DCFCE7; color: #14532D; }
.form__status--error { background: #FEE2E2; color: #7F1D1D; }

/* ---------- Footer ---------- */
.site-footer {
  background: #0F172A;
  color: #CBD5E1;
  padding: var(--space-8) 0 var(--space-5);
  font-size: .9rem;
}
.site-footer a { color: #E5E7EB; }
.site-footer a:hover { color: #fff; }
.site-footer__grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .site-footer__grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; }
}
.site-footer h4 {
  color: #fff;
  font-size: .85rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: var(--space-2); }
.site-footer__logo { margin-bottom: var(--space-4); position: relative; display: inline-block; }
.site-footer__logo svg, .site-footer__logo img { height: 36px; display: block; }
.site-footer__logo img { filter: brightness(0) invert(1); }
.site-footer__logo-sub {
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 4px;
  font-family: 'Manrope', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: #E2E8F0;
  line-height: 1;
  pointer-events: none;
}
.site-footer__bottom {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid #1E293B;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  justify-content: space-between;
  align-items: center;
  font-size: .8rem;
  color: #94A3B8;
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.muted { color: var(--color-ink-soft); }
.lede { font-size: 1.125rem; color: var(--color-ink-soft); max-width: 60ch; }
.stack > * + * { margin-top: var(--space-4); }
.flow { display: flex; flex-direction: column; gap: var(--space-3); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.hide-on-mobile { display: none; }
@media (min-width: 720px) { .hide-on-mobile { display: initial; } }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---------- Tagline strip in header ---------- */
.brand-strip {
  background: var(--color-brand);
  color: #fff;
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-align: center;
  padding: 6px var(--space-4);
}

/* ---------- Logo block (when wordmark + sub) ---------- */
.brand-wordmark {
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--color-brand);
  font-size: 1.5rem;
  line-height: 1;
}
.brand-sub {
  font-family: var(--font-heading);
  font-weight: 500;
  font-style: italic;
  letter-spacing: .04em;
  font-size: .85rem;
  color: var(--color-accent);
  margin-top: 2px;
}

/* ---------- Print ---------- */
@media print {
  .site-header, .site-footer, .nav-toggle, .mobile-nav { display: none !important; }
  .hero, .page-hero { background: none !important; color: var(--color-ink) !important; }
  .hero h1, .page-hero h1 { color: var(--color-ink) !important; }
}

/* ---------- Page transitions (cross-document View Transitions API) ---------- */
@view-transition { navigation: auto; }

.site-header { view-transition-name: site-header; }
.site-footer { view-transition-name: site-footer; }
main         { view-transition-name: page-main; }

::view-transition-old(site-header),
::view-transition-new(site-header),
::view-transition-old(site-footer),
::view-transition-new(site-footer) {
  animation: none;
  mix-blend-mode: normal;
}

::view-transition-old(page-main) {
  animation: pm-out 220ms cubic-bezier(.4, 0, .2, 1) both;
}
::view-transition-new(page-main) {
  animation: pm-in 320ms cubic-bezier(.4, 0, .2, 1) both;
}
@keyframes pm-out {
  to { opacity: 0; transform: translateY(-6px) scale(.995); }
}
@keyframes pm-in {
  from { opacity: 0; transform: translateY(8px) scale(.995); }
}

::view-transition-old(root),
::view-transition-new(root) { animation-duration: 240ms; }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms cubic-bezier(.4, 0, .2, 1),
              transform 600ms cubic-bezier(.4, 0, .2, 1);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) { animation: none !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
}