/* ============================================================
   RestartME, Shared components
   Buttons · Header/Nav · Footer · Cards · Chips · Stats
   ============================================================ */

/* ---------- Buttons --------------------------------------- */
.btn {
  --btn-fg: var(--bone);
  --btn-bg: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: 52px;
  padding: 0 1.9rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1px solid var(--btn-bg);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              background-color var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }
.btn .btn__icon { width: 18px; height: 18px; }

.btn--primary { --btn-bg: var(--sky-deep); --btn-fg: #fff; border-color: var(--sky-deep); }
.btn--primary:hover { --btn-bg: var(--ink); border-color: var(--ink); }

.btn--ink { --btn-bg: var(--ink); --btn-fg: var(--bone); }

.btn--outline {
  --btn-bg: transparent; --btn-fg: var(--ink);
  border-color: color-mix(in srgb, var(--ink) 30%, transparent);
}
.btn--outline:hover { --btn-bg: var(--ink); --btn-fg: var(--bone); border-color: var(--ink); }

.btn--ghost { --btn-bg: transparent; --btn-fg: var(--text); border-color: transparent; }
.btn--ghost:hover { --btn-bg: color-mix(in srgb, var(--ink) 6%, transparent); box-shadow: none; transform: none; }

.btn--glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-color: var(--glass-border);
  color: var(--text);
}

.btn--sm { min-height: 42px; padding: 0 1.25rem; font-size: var(--text-xs); }
.btn--lg { min-height: 60px; padding: 0 2.4rem; font-size: var(--text-base); }
.btn--block { display: flex; width: 100%; }

/* On dark surfaces */
.on-dark .btn--outline { --btn-fg: var(--bone); border-color: var(--line-dark); }
.on-dark .btn--outline:hover { --btn-bg: var(--bone); --btn-fg: var(--ink); border-color: var(--bone); }

/* Text link with animated underline */
.link-arrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-weight: 600; font-size: var(--text-sm); letter-spacing: 0.02em;
  color: var(--accent);
}
.link-arrow svg { width: 16px; height: 16px; transition: transform var(--dur-base) var(--ease-out); }
.link-arrow:hover svg { transform: translateX(5px); }

/* ---------- Chips / badges -------------------------------- */
.chip {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.03em;
  color: var(--accent);
  background: color-mix(in srgb, var(--sky) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--sky) 24%, transparent);
  border-radius: var(--radius-full);
}
.chip--neutral { color: var(--text-muted); background: color-mix(in srgb, var(--ink) 6%, transparent); border-color: var(--divider); }
.badge {
  display: inline-block; padding: 0.25rem 0.6rem; border-radius: var(--radius-full);
  font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  background: var(--sky-deep); color: #fff;
}

/* ---------- Cards ----------------------------------------- */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--divider);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}
.card--hover:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card__media { aspect-ratio: 4 / 3; overflow: hidden; background: var(--sky-soft); }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out); }
.card--hover:hover .card__media img { transform: scale(1.05); }
.card__body { padding: var(--space-lg); }

/* ---------- Stat counter ---------------------------------- */
.stat { text-align: left; }
.stat__num {
  font-family: var(--font-display);
  font-weight: 360;
  font-size: var(--text-3xl);
  line-height: 1;
  color: var(--text);
  letter-spacing: var(--tracking-tight);
}
.stat__label { margin-top: var(--space-sm); font-size: var(--text-sm); color: var(--text-muted); max-width: 28ch; }
.on-dark .stat__num { color: var(--bone); }

/* ---------- Site header / nav ----------------------------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: var(--z-header);
  transition: transform var(--dur-base) var(--ease-out), background-color var(--dur-base);
}
.site-header.is-hidden { transform: translateY(-100%); }
.site-header.is-scrolled .header-inner { background: color-mix(in srgb, var(--bone) 80%, transparent); -webkit-backdrop-filter: blur(16px) saturate(140%); backdrop-filter: blur(16px) saturate(140%); border-bottom: 1px solid var(--divider); }

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-lg);
  max-width: var(--container-wide); margin-inline: auto;
  padding: 0.85rem var(--gutter);
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur-base), border-color var(--dur-base), padding var(--dur-base);
}
.brand { display: flex; align-items: center; gap: 0.6rem; }
.brand__mark { height: 40px; width: auto; }
.brand__word { font-family: var(--font-display); font-weight: 440; font-size: 1.45rem; letter-spacing: -0.01em; line-height: 1; color: var(--ink); }
.brand__word b { font-weight: 440; color: var(--sky-deep); }

.nav { display: flex; align-items: center; gap: clamp(1rem, 2vw, 2.1rem); }
.nav a {
  position: relative;
  font-size: var(--text-sm); font-weight: 500; color: var(--text);
  padding-block: 0.3rem;
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 1.5px; width: 0;
  background: var(--accent); transition: width var(--dur-base) var(--ease-out);
}
.nav a:hover::after, .nav a[aria-current="page"]::after { width: 100%; }
.nav a[aria-current="page"] { color: var(--accent); }

.header-actions { display: flex; align-items: center; gap: var(--space-md); }
.header-socials { display: flex; gap: 0.6rem; }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: var(--radius-full);
  color: var(--text); transition: background-color var(--dur-fast), color var(--dur-fast);
}
.icon-btn:hover { background: color-mix(in srgb, var(--ink) 8%, transparent); color: var(--accent); }
.icon-btn svg { width: 18px; height: 18px; }

/* Header floating light over a dark hero (until scrolled/frosted) */
.site-header.header--on-dark:not(.is-scrolled) .nav a,
.site-header.header--on-dark:not(.is-scrolled) .icon-btn { color: var(--bone); }
.site-header.header--on-dark:not(.is-scrolled) .nav a::after { background: var(--accent-soft); }
.site-header.header--on-dark:not(.is-scrolled) .nav a[aria-current="page"] { color: #fff; }
.site-header.header--on-dark:not(.is-scrolled) .brand img { filter: brightness(0) invert(1); }
.site-header.header--on-dark:not(.is-scrolled) .nav-toggle span { background: var(--bone); }
.site-header.header--on-dark:not(.is-scrolled) .icon-btn:hover { background: rgba(255,255,255,0.12); color: #fff; }

.nav-toggle { display: none; width: 44px; height: 44px; }
.nav-toggle span { display:block; width: 22px; height: 1.6px; background: var(--text); margin: 4px auto; transition: transform var(--dur-base), opacity var(--dur-base); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(5.6px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-5.6px) rotate(-45deg); }

/* Mobile drawer */
.nav-drawer {
  position: fixed; inset: 0; z-index: calc(var(--z-header) - 1);
  background: var(--bone);
  padding: 6rem var(--gutter) 3rem;
  display: flex; flex-direction: column; gap: var(--space-lg);
  transform: translateX(100%); transition: transform var(--dur-base) var(--ease-out);
  overflow-y: auto;
}
.nav-drawer.is-open { transform: none; }
.nav-drawer a { font-family: var(--font-display); font-size: var(--text-2xl); color: var(--ink); }
.nav-drawer .drawer-foot { margin-top: auto; display: flex; flex-direction: column; gap: var(--space-md); }

/* ---------- Footer ---------------------------------------- */
.site-footer { background: var(--ink); color: var(--bone); padding-top: var(--space-4xl); }
.site-footer a { color: rgba(244,241,234,0.78); }
.site-footer a:hover { color: var(--sky); }
.footer-grid {
  display: grid; gap: var(--space-2xl);
  grid-template-columns: 1.4fr 1fr 1fr;
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid var(--line-dark);
}
.footer-brand__lockup { display: inline-flex; align-items: center; gap: 0.6rem; margin-bottom: var(--space-lg); }
.footer-brand__mark { height: 44px; width: auto; }
.footer-brand__word { font-family: var(--font-display); font-weight: 440; font-size: 1.5rem; line-height: 1; color: var(--bone); }
.footer-brand__word b { font-weight: 440; color: var(--sky); }
.footer-col h6 { color: var(--bone); margin-bottom: var(--space-lg); font-size: var(--text-sm); letter-spacing: var(--tracking-wide); text-transform: uppercase; }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-col li a { font-size: var(--text-sm); }
.footer-contact p { color: rgba(244,241,234,0.72); font-size: var(--text-sm); }
.footer-bottom {
  display: flex; flex-wrap: wrap; gap: var(--space-md); align-items: center; justify-content: space-between;
  padding-block: var(--space-xl); font-size: var(--text-xs); color: rgba(244,241,234,0.55);
}
.footer-socials { display: flex; gap: var(--space-sm); }
.footer-socials .icon-btn { color: var(--bone); border: 1px solid var(--line-dark); }
.footer-socials .icon-btn:hover { background: var(--sky); color: var(--ink); border-color: var(--sky); }

/* ---------- Marquee (partner logos, full original colour) -- */
.partner-marquee {
  position: relative; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 7%, #000 93%, transparent 100%);
          mask-image: linear-gradient(90deg, transparent 0%, #000 7%, #000 93%, transparent 100%);
}
.partner-marquee__track {
  display: flex; align-items: center; width: max-content;
  gap: clamp(2.75rem, 6vw, 5.5rem);
  animation: partnerScroll 52s linear infinite;
  will-change: transform;
}
.partner-marquee__dupe { display: contents; }
.partner-marquee:hover .partner-marquee__track { animation-play-state: paused; }
.partner-marquee__item { flex: 0 0 auto; display: inline-flex; align-items: center; }
.partner-marquee__item img {
  height: clamp(42px, 5vw, 62px); width: auto; display: block;
  transition: transform var(--dur-base) var(--ease-out), filter var(--dur-base);
}
a.partner-marquee__item:hover img { transform: translateY(-3px); filter: drop-shadow(0 10px 20px rgba(8,26,39,0.18)); }
@keyframes partnerScroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
  .partner-marquee__track { animation: none; flex-wrap: wrap; justify-content: center; width: auto; }
}

/* ---------- Toast ----------------------------------------- */
.toast-stack { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: var(--z-toast); display: flex; flex-direction: column; gap: 0.6rem; }
.toast { padding: 0.9rem 1.2rem; border-radius: var(--radius-md); background: var(--ink); color: var(--bone); box-shadow: var(--shadow-lg); font-size: var(--text-sm); animation: toastIn var(--dur-base) var(--ease-out); }
.toast--error { background: #8a2b2b; }
.toast--success { background: #1f5e3a; }
@keyframes toastIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- Floating brand mark (decorative) -------------- */
.brand-watermark { position: absolute; pointer-events: none; opacity: 0.06; }

/* ============================================================
   Ambient silk + luxe utilities (light = the luxury)
   ============================================================ */

/* ---- Ambient "clearing skies" silk ----------------------- */
/* Fixed warm-white ground with two sheer sky curtains drifting slowly. */
.silk {
  position: fixed; inset: 0; z-index: -1;
  pointer-events: none; overflow: hidden;
  background: var(--warm-white);
}
.silk::before,
.silk::after {
  content: ""; position: absolute; inset: -25%;
  background-repeat: no-repeat;
  filter: blur(34px);
  will-change: transform;
}
.silk::before {
  background-image: var(--silk-a);
  opacity: 0.9;
  animation: silkDriftA 42s var(--ease-in-out) infinite alternate;
}
.silk::after {
  background-image: var(--silk-b);
  opacity: 0.7;
  animation: silkDriftB 58s var(--ease-in-out) infinite alternate;
}
/* A whisper of grain over the silk keeps the gradients from banding. */
.silk-grain { position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image: var(--grain); background-size: 170px 170px; opacity: 0.035; }

@keyframes silkDriftA {
  0%   { transform: translate3d(-3%, -2%, 0) scale(1.05) rotate(0deg); }
  100% { transform: translate3d(4%, 3%, 0) scale(1.12) rotate(4deg); }
}
@keyframes silkDriftB {
  0%   { transform: translate3d(3%, 2%, 0) scale(1.1) rotate(0deg); }
  100% { transform: translate3d(-4%, -3%, 0) scale(1.04) rotate(-5deg); }
}
@media (prefers-reduced-motion: reduce) {
  .silk::before, .silk::after { animation: none; }
}

/* Film-grain overlay, tactile texture for imagery-led scenes */
.grain { position: relative; }
.grain::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background-image: var(--grain);
  background-size: 180px 180px;
  opacity: 0.05; mix-blend-mode: overlay; pointer-events: none;
}
.grain > * { position: relative; z-index: 2; }

/* Sky hairline rules */
.lux-rule { height: 1px; width: 100%; background: var(--hairline-accent); border: 0; }
.lux-rule--short { width: 64px; height: 1.5px; background: linear-gradient(90deg, var(--sky-deep), var(--sky)); }

/* Overline number / index in serif sky (editorial) */
.index-num { font-family: var(--font-display); color: var(--sky-deep); font-weight: 400; }

/* A soft sky frame accent on imagery */
.framed-soft { box-shadow: 0 0 0 1px var(--hairline-accent), var(--shadow-lg); }

/* ---- Decorative feature band (peppered photoshoot "breaths") ---- */
/* Generated imagery used as mood, never as fact, paired with an
   aspirational #RestartME line in couture italic. */
.feature-band__media {
  position: relative; overflow: hidden;
  border-radius: var(--radius-2xl);
  aspect-ratio: 21 / 9;
  box-shadow: 0 0 0 1px var(--hairline-accent), var(--shadow-xl);
}
.feature-band__media img { width: 100%; height: 100%; object-fit: cover; }
.feature-band__media::after { content: ""; position: absolute; inset: 0; background: var(--scrim-soft); }
.feature-band__tag {
  position: absolute; left: clamp(1.5rem, 4vw, 3.5rem); bottom: clamp(1.5rem, 4vw, 3rem);
  z-index: 2; max-width: 18ch;
  font-family: var(--font-display); font-style: italic; font-weight: 360;
  font-size: var(--text-2xl); line-height: 1.15; color: #fff;
  text-shadow: 0 2px 30px rgba(8,26,39,0.45);
}
.feature-band__tag b { color: var(--accent-soft); font-weight: 360; font-style: normal; }
@media (max-width: 768px) {
  .feature-band__media { aspect-ratio: 4 / 5; }
}

/* Slow ken-burns for hero imagery */
@keyframes kenburns { from { transform: scale(1.04); } to { transform: scale(1.12); } }
.kenburns { animation: kenburns 18s ease-out forwards; }
@media (prefers-reduced-motion: reduce) { .kenburns { animation: none; } }