/* AUCO — premium design layer.
   Loaded after style.css: one type scale, one button set, one card surface,
   and calmer accents across every page. */

:root {
  --section-padding-v: clamp(5rem, 9vw, 8.5rem);
  --pr-ink: #f5f5f7;
  --pr-ink-2: rgba(245, 245, 247, 0.72);
  --pr-ink-3: rgba(245, 245, 247, 0.46);
  --pr-line: rgba(255, 255, 255, 0.08);
  --pr-line-2: rgba(255, 255, 255, 0.16);
  --pr-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015));
  --pr-radius: 22px;
  --pr-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Type: thin display, readable body ---------- */
.section-heading, .pp-h2, .pp-title, .ab-title, .closing-text, .xh-title,
.ab-news-title, .ct-main h2, .modal-heading, .pp-stage-name, .nw-partner h2 {
  font-weight: 200;
  letter-spacing: -0.035em;
  line-height: 1.04;
  color: var(--pr-ink);
}
.pp-title, .ab-title, .xh-title { font-size: clamp(2.8rem, 6vw, 5.2rem); }
.section-heading, .pp-h2 { font-size: clamp(2.3rem, 4.4vw, 3.6rem); }
.section-heading span, .pp-h2 span, .pp-title span, .ab-title span, .xh-title span {
  font-weight: 200; color: var(--pr-ink-3);
}
.closing-text { font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.12; }
.quote-text { font-weight: 200; letter-spacing: -0.025em; line-height: 1.3; }

h3, .pp-card-title, .hr-card h3, .pp-flag-name, .pm-title { font-weight: 400; letter-spacing: -0.015em; }

.section-label, .pp-label, .hero-eyebrow, .ih-tag {
  font-size: 11px; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: var(--pr-ink-3);
}
.pp-label i { width: 4px; height: 4px; background: var(--pr-ink-3); box-shadow: none; }

.hm-lead, .pp-muted, .ab-lead, .pp-lead, .xh-sub { color: var(--pr-ink-2); font-size: 1.05rem; line-height: 1.6; font-weight: 400; }

/* ---------- Buttons ---------- */
.btn, .btn-glow {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 46px; padding: 0 1.4rem; border-radius: 980px;
  font: inherit; font-size: 0.9375rem; font-weight: 500; letter-spacing: -0.01em;
  transition: background-color 0.3s var(--pr-ease), border-color 0.3s var(--pr-ease), color 0.3s var(--pr-ease), transform 0.5s var(--pr-ease);
}
.btn { background: transparent; color: var(--pr-ink); border: 1px solid var(--pr-line-2); box-shadow: none; }
.btn:hover { border-color: rgba(255, 255, 255, 0.4); background: rgba(255, 255, 255, 0.04); }
.btn-glow, .btn.btn-glow { background: var(--pr-ink); color: #0a0a0b; border: 1px solid var(--pr-ink); box-shadow: none; }
.btn-glow:hover, .btn.btn-glow:hover { background: #fff; border-color: #fff; color: #000; box-shadow: none; transform: none; }
.btn:active, .btn-glow:active { transform: scale(0.98); }
.btn:focus-visible, .btn-glow:focus-visible, .link-btn:focus-visible, .pp-link:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.7); outline-offset: 3px;
}

.link-btn, .pp-link {
  display: inline-flex; align-items: center; gap: 0.4rem; padding: 0; border: 0; background: none;
  font: inherit; font-size: 0.9375rem; font-weight: 400; color: var(--pr-ink);
  background-image: linear-gradient(currentColor, currentColor); background-size: 0 1px; background-position: 0 100%; background-repeat: no-repeat;
  transition: background-size 0.5s var(--pr-ease), color 0.3s ease;
}
.link-btn:hover, .pp-link:hover { background-size: 100% 1px; color: #fff; }

/* ---------- Cards: one surface everywhere ---------- */
.ct-card, .store-card, .pp-card, .hr-card, .ab-cat, .pp-flag, .nw-panel {
  border-radius: var(--pr-radius);
  border: 1px solid var(--pr-line);
  transition: border-color 0.4s var(--pr-ease), transform 0.6s var(--pr-ease), background-color 0.4s ease;
}
.ct-card, .store-card { background: var(--pr-surface); }
.ct-card:hover, .store-card:hover, .pp-card:hover, .hr-card:hover, .ab-cat:hover {
  border-color: var(--pr-line-2); transform: translateY(-3px);
}

/* calmer accents: no glowing dots */
.hm-num::before { width: 4px; height: 4px; background: var(--pr-ink-3); box-shadow: none; }
.pulse-dot { box-shadow: none !important; animation: none !important; }

/* ---------- Engineering grid ---------- */
.hm-part { transition: background-color 0.5s var(--pr-ease); }
.hm-part:hover { background: rgba(255, 255, 255, 0.02); }
.hm-part h3 { font-size: 1.2rem; margin: 1.2rem 0 0.5rem; }
.hm-part p { color: var(--pr-ink-2); line-height: 1.6; }

/* ---------- How it works ---------- */
.hm-steps-head { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(1.5rem, 4vw, 4rem); align-items: end; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.hm-steps-head .section-heading { margin-bottom: 0; }
.hm-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.25rem, 2.4vw, 2rem); }
.hm-step { padding: 0; border: 0; background: none; border-radius: 0; }
.hm-step-media { margin: 0 0 1.6rem; aspect-ratio: 4 / 3; overflow: hidden; border-radius: var(--pr-radius); border: 1px solid var(--pr-line); background: #0c0c0e; }
.hm-step-media img { width: 100%; height: 100%; object-fit: cover; display: block; transform: scale(1.01); transition: transform 1.4s var(--pr-ease), filter 0.8s ease; filter: saturate(0.85); }
.hm-step:hover .hm-step-media img { transform: scale(1.05); filter: saturate(1); }
.hm-step-n {
  display: block; width: auto; height: auto; border: 0; border-radius: 0; background: none;
  font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.16em; color: var(--pr-ink-3); font-variant-numeric: tabular-nums;
}
.hm-step h3 { font-size: clamp(1.35rem, 2vw, 1.6rem); font-weight: 300; letter-spacing: -0.02em; margin: 0.6rem 0 0.6rem; color: var(--pr-ink); }
.hm-step p { color: var(--pr-ink-2); line-height: 1.6; margin: 0; max-width: 34ch; }
.hm-step::before, .hm-step::after, .hm-step-n::after { display: none !important; }

.hm-assure { list-style: none; margin: clamp(3rem, 6vw, 4.5rem) 0 0; padding: clamp(1.8rem, 3vw, 2.4rem) 0 0; border-top: 1px solid var(--pr-line);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.hm-assure b { display: block; font-size: clamp(1.4rem, 2.2vw, 1.9rem); font-weight: 200; letter-spacing: -0.03em; color: var(--pr-ink); }
.hm-assure span { display: block; margin-top: 0.35rem; font-size: 0.8125rem; color: var(--pr-ink-3); line-height: 1.45; }
.hm-steps-section .hm-actions { margin-top: clamp(2.5rem, 5vw, 3.5rem); display: flex; align-items: center; gap: 1.6rem; flex-wrap: wrap; }

/* ---------- FAQ ---------- */
.hm-faq details { border-bottom: 1px solid var(--pr-line); }
.hm-faq summary { font-size: 1.125rem; font-weight: 300; letter-spacing: -0.015em; padding: 1.5rem 0; }
.hm-faq summary::after { width: 30px; height: 30px; border-color: var(--pr-line-2); font-weight: 200; font-size: 1.1rem; }
.hm-faq summary:hover::after { border-color: rgba(255, 255, 255, 0.5); }
.hm-faq details p { color: var(--pr-ink-2); line-height: 1.65; margin: 0 0 1.5rem; max-width: 58ch; }

/* ---------- Closing: cinematic photo ---------- */
.closing-photo { position: relative; overflow: hidden; isolation: isolate; min-height: min(86vh, 820px); display: grid; place-items: center; }
.closing-media { position: absolute; inset: 0; z-index: -1; }
.closing-media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 70%; opacity: 0.62; }
.closing-media::after { content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, var(--bg-primary, #070708) 0%, rgba(7, 7, 8, 0.25) 35%, rgba(7, 7, 8, 0.35) 70%, var(--bg-primary, #070708) 100%); }
.closing-photo .closing-text { text-shadow: 0 2px 30px rgba(0, 0, 0, 0.5); }

/* ---------- Exploded speaker: quiet technical callouts ---------- */
.xh-dot { width: 7px; height: 7px; margin: -3.5px 0 0 -3.5px; background: #0a0a0b; border: 1px solid rgba(255, 255, 255, 0.85); box-shadow: none; }
.xh-line { width: 36px; background: rgba(255, 255, 255, 0.22); }
.xh-label b, .xh-technical .xh-label b { font-weight: 400; color: var(--pr-ink-2); letter-spacing: 0; font-size: clamp(0.7rem, 0.85vw, 0.8125rem); }
.xh-callout { transition: opacity 0.6s var(--pr-ease); }
.xh-toggle, .xh-sound { border-color: var(--pr-line-2); background: transparent; color: var(--pr-ink-2); font-weight: 400; }
.xh-toggle:hover, .xh-sound:hover { border-color: rgba(255, 255, 255, 0.4); color: var(--pr-ink); }
.xh-progress { height: 1px; background: var(--pr-line); }
.xh-progress i { background: rgba(255, 255, 255, 0.7); }
.xh-model, .xh-hint { color: var(--pr-ink-3); font-weight: 400; letter-spacing: 0.08em; }

/* ---------- Header & footer ---------- */
.nav-link { font-weight: 400; font-size: 0.8125rem; letter-spacing: -0.005em; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hm-steps-head { grid-template-columns: 1fr; }
  .hm-steps { grid-template-columns: 1fr; gap: 2.75rem; }
  .hm-assure { grid-template-columns: repeat(2, 1fr); row-gap: 1.75rem; }
}
@media (prefers-reduced-motion: reduce) {
  .hm-step-media img, .ct-card, .store-card, .pp-card, .hr-card, .ab-cat { transition: none; }
}

/* Page titles in split hero columns stay on fewer lines */
.nw-hero .pp-title, .pp-hero .pp-title, .ab-hero .ab-title, .ct-hero .ab-title { font-size: clamp(2.6rem, 4.8vw, 4.4rem); }
.closing-text span { color: var(--pr-ink-3); }
.closing-actions { display: flex; justify-content: center; gap: 0.75rem; flex-wrap: wrap; margin-top: 2.2rem; }
.nw-partner .pp-h2 { font-size: clamp(2.2rem, 3.8vw, 3.2rem); }
