/* ============================================================================
   Veya — Components
   Buttons, header, device frame, faithful in-app UI parts, features, FAQ,
   footer. Depends on tokens.css + base.css.
   ============================================================================ */

/* ---- Buttons ------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.9rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-small);
  line-height: 1;
  letter-spacing: -0.01em;
  white-space: nowrap;
  cursor: pointer;
  transition: transform var(--dur-quick) var(--ease),
              box-shadow var(--dur) var(--ease),
              background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              opacity var(--dur) var(--ease);
}
.btn:active { transform: translateY(1px) scale(0.99); }

.btn--primary {
  background: var(--accent-grad);
  color: var(--on-accent);
  box-shadow: 0 8px 22px -6px var(--accent-glow), 0 1px 0 rgba(255,255,255,.18) inset;
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px -8px var(--accent-glow), 0 1px 0 rgba(255,255,255,.22) inset;
}
.btn--ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.btn--lg { padding: 1.05rem 1.9rem; font-size: var(--fs-body); }
.btn--block { display: flex; width: 100%; }

/* App Store badge */
.badge-store {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.72rem 1.25rem;
  border-radius: var(--radius);
  background: var(--text);
  color: var(--bg);
  transition: transform var(--dur-quick) var(--ease), box-shadow var(--dur) var(--ease);
  box-shadow: var(--shadow-soft);
}
.badge-store:hover { transform: translateY(-2px); box-shadow: var(--shadow-card); }
.badge-store svg { width: 26px; height: 26px; flex: none; }
.badge-store__text { display: flex; flex-direction: column; line-height: 1.1; text-align: start; }
.badge-store__small { font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.7; }
.badge-store__big { font-size: 1.05rem; font-weight: var(--fw-semibold); letter-spacing: -0.02em; }

/* Small AI sparkle chip (mirrors the app's coach motif) */
.spark-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.7rem 0.3rem 0.55rem;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent);
}
.spark-chip svg { width: 14px; height: 14px; }

/* ---- Header / navigation ------------------------------------------------- */
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-header);
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  border-block-end: 1px solid transparent;
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  border-block-end-color: var(--hairline);
}
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  height: 72px;
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: var(--fw-semibold);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
.nav__brand svg, .nav__brand img { width: 30px; height: 30px; }
.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 0.2rem + 1vw, 1.6rem);
  margin-inline: auto;
}
.nav__link {
  color: var(--text-muted);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  padding: 0.5rem 0.4rem;
  position: relative;
  transition: color var(--dur-quick) var(--ease);
}
.nav__link:hover { color: var(--text); }
.nav__actions { display: flex; align-items: center; gap: var(--space-3); }

/* icon buttons: theme + language + menu */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: color var(--dur-quick) var(--ease), border-color var(--dur) var(--ease), transform var(--dur-quick) var(--ease);
}
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); }
.icon-btn svg { width: 18px; height: 18px; }

/* Language dropdown (native details/summary — no JS dependency to open) */
.lang { position: relative; }
.lang > summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  height: 40px;
  padding-inline: 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  cursor: pointer;
}
.lang > summary::-webkit-details-marker { display: none; }
.lang > summary:hover { color: var(--text); border-color: var(--border-strong); }
.lang[open] > summary { color: var(--text); }
.lang__menu {
  position: absolute;
  inset-block-start: calc(100% + 8px);
  inset-inline-end: 0;
  min-width: 190px;
  padding: var(--space-2);
  border-radius: var(--radius);
  background: var(--card-grad);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-float);
  z-index: var(--z-overlay);
}
.lang__opt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: var(--fs-small);
  text-align: start;
}
.lang__opt:hover { background: var(--surface-2); color: var(--text); }
.lang__opt[aria-current="true"] { color: var(--accent); font-weight: var(--fw-semibold); }

/* Mobile drawer */
.nav__menu-btn { display: none; }
.nav__drawer { display: contents; }

@media (max-width: 900px) {
  .nav__menu-btn { display: inline-flex; }
  .nav__drawer {
    display: block;
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    background: color-mix(in srgb, var(--bg) 94%, transparent);
    backdrop-filter: blur(20px);
    padding: 96px var(--gutter) var(--gutter);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease);
  }
  .nav__drawer.is-open { opacity: 1; visibility: visible; }
  .nav__links {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    margin: 0 0 var(--space-8);
  }
  .nav__links .nav__link { font-size: 1.5rem; padding: 0.6rem 0; }
  .nav__actions .btn { display: none; }
}

/* ---- Device frame -------------------------------------------------------- */
.device {
  position: relative;
  width: 100%;
  max-width: 300px;
  aspect-ratio: 1080 / 2340;
  border-radius: 46px;
  padding: 11px;
  background: linear-gradient(160deg, #23252c 0%, #0c0d10 46%, #191b21 100%);
  box-shadow:
    0 2px 3px rgba(255,255,255,0.12) inset,
    0 0 0 2px rgba(0,0,0,0.6),
    var(--shadow-float);
}
.device__screen {
  position: relative;
  height: 100%;
  border-radius: 36px;
  overflow: hidden;
  background: var(--bg);
  box-shadow: 0 0 0 2px #000 inset;
}
.device__screen > img,
.device__screen > .app-panel { width: 100%; height: 100%; object-fit: cover; }
.device--sm { max-width: 232px; }
.device--float { animation: device-float 7s var(--ease-in-out) infinite; }
.device--float-slow { animation: device-float 9s var(--ease-in-out) infinite; animation-delay: -3s; }
@keyframes device-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
@media (prefers-reduced-motion: reduce) {
  .device--float, .device--float-slow { animation: none; }
}

/* ---- Faithful in-app UI parts (reproduced from lib/theme/lux.dart) ------- */
.app-panel {
  height: 100%;
  background: var(--bg);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
  text-align: start;
}
.app-topline {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; color: var(--text-faint);
}
.app-title { font-size: 20px; font-weight: var(--fw-bold); letter-spacing: -0.02em; }
.app-sub { font-size: 12px; color: var(--text-muted); }

.app-card {
  background: var(--card-grad);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-card);
}

/* The signature calorie ring (SVG lives in the markup; this sizes it) */
.ring { width: 116px; height: 116px; flex: none; position: relative; }
.ring__val {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.ring__num { font-size: 30px; font-weight: var(--fw-bold); letter-spacing: -0.03em; line-height: 1; }
.ring__cap { font-size: 10px; color: var(--text-faint); margin-top: 3px; }

/* Macro rails */
.rail { display: flex; flex-direction: column; gap: 5px; }
.rail__top { display: flex; align-items: baseline; justify-content: space-between; font-size: 12px; }
.rail__name { color: var(--text-muted); }
.rail__val { font-weight: var(--fw-semibold); }
.rail__val b { color: var(--m); }
.rail__track { height: 6px; border-radius: var(--radius-pill); background: color-mix(in srgb, var(--text) 10%, transparent); overflow: hidden; }
.rail__fill { height: 100%; border-radius: inherit; background: var(--m); width: var(--p, 0%); }
.m-protein { --m: var(--veya-protein); }
.m-carbs   { --m: var(--veya-carbs); }
.m-fat     { --m: var(--veya-fat); }
.m-water   { --m: var(--veya-water); }

/* Meal row */
.meal-row { display: flex; align-items: center; gap: 12px; padding: 10px 0; }
.meal-row + .meal-row { border-block-start: 1px solid var(--hairline); }
.meal-thumb { width: 44px; height: 44px; border-radius: 12px; object-fit: cover; flex: none; background: var(--surface-2); }
.meal-row__body { flex: 1; min-width: 0; }
.meal-row__name { font-size: 14px; font-weight: var(--fw-semibold); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.meal-row__meta { font-size: 11px; color: var(--text-faint); }
.meal-row__kcal { font-size: 13px; font-weight: var(--fw-semibold); color: var(--accent); }

/* Small labelled dot legend */
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: var(--m, var(--accent)); }

/* ---- Hero ---------------------------------------------------------------- */
.hero { padding-block: clamp(3rem, 2rem + 6vw, 6rem) var(--section-y); overflow: clip; }
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 1rem + 4vw, 5rem);
  align-items: center;
}
.hero__copy { max-width: 34rem; }
.hero h1 { font-size: var(--fs-display); margin-block: var(--space-5); }
.hero .lead { max-width: 30rem; }
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-block-start: var(--space-8); align-items: center; }
.hero__proof {
  display: flex; align-items: center; gap: var(--space-4);
  margin-block-start: var(--space-8);
  font-size: var(--fs-small); color: var(--text-muted);
}
.stars { color: var(--veya-carbs); letter-spacing: 2px; }

.hero__stage { position: relative; display: grid; place-items: center; }
.hero__phones { position: relative; display: flex; justify-content: center; align-items: flex-end; gap: 0; }
.hero__phones .device:nth-child(1) { z-index: 2; }
.hero__phones .device:nth-child(2) {
  position: absolute;
  inset-inline-start: 58%;
  inset-block-end: 8%;
  z-index: 1;
  filter: brightness(0.92);
}

/* ---- Bento / feature grid ------------------------------------------------ */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(0.75rem, 0.4rem + 1vw, 1.25rem);
}
.feature {
  grid-column: span 2;
  background: var(--card-grad);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 1rem + 1.5vw, 2.25rem);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.feature:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.feature--wide { grid-column: span 3; }
.feature--tall { grid-row: span 2; }
.feature--full { grid-column: 1 / -1; }
.feature__icon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: var(--space-5);
}
.feature__icon svg { width: 24px; height: 24px; }
.feature h3 { font-size: var(--fs-h3); margin-bottom: var(--space-3); }
.feature p { color: var(--text-muted); font-size: var(--fs-small); }
.feature__media { margin-top: var(--space-6); }

/* Full-width flagship feature: copy beside a real device shot */
.feature--full .feature__row {
  display: grid;
  grid-template-columns: 1fr minmax(0, 300px);
  gap: clamp(1.5rem, 1rem + 3vw, 4rem);
  align-items: center;
}
.feature__shot { display: flex; justify-content: center; }
.feature__shot .device { max-width: 232px; }
@media (max-width: 700px) {
  .feature--full .feature__row { grid-template-columns: 1fr; text-align: center; }
  .feature--full .feature__icon { margin-inline: auto; }
  .feature__shot { margin-top: var(--space-6); }
}

@media (max-width: 900px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .feature, .feature--wide { grid-column: span 2; }
  .feature--tall { grid-row: auto; }
}
@media (max-width: 560px) {
  .bento { grid-template-columns: 1fr; }
  .feature, .feature--wide { grid-column: span 1; }
}

/* ---- Steps (how it works) ------------------------------------------------ */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.25rem, 0.5rem + 2vw, 2.5rem); }
.step { position: relative; }
.step__n {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  color: var(--accent);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-5);
}
.step h3 { font-size: var(--fs-h3); margin-bottom: var(--space-2); }
.step p { color: var(--text-muted); font-size: var(--fs-small); }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }

/* ---- Split feature rows (alternating copy + device) ---------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 1rem + 4vw, 5rem); align-items: center; }
.split + .split { margin-block-start: var(--section-y); }
.split--rev .split__media { order: -1; }
.split__media { display: grid; place-items: center; }
.split__copy { max-width: 30rem; }
.split__copy h2 { margin-block: var(--space-4); }
.check { list-style: none; padding: 0; margin-block-start: var(--space-6); display: grid; gap: var(--space-3); }
.check li { display: flex; gap: var(--space-3); align-items: flex-start; color: var(--text-muted); font-size: var(--fs-small); }
.check svg { width: 20px; height: 20px; color: var(--accent); flex: none; margin-block-start: 1px; }
@media (max-width: 820px) {
  .split { grid-template-columns: 1fr; gap: var(--space-8); }
  .split--rev .split__media { order: 0; }
}

/* ---- Testimonials -------------------------------------------------------- */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 0.5rem + 1.5vw, 1.5rem); }
.quote {
  background: var(--card-grad);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 1rem + 1vw, 1.75rem);
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column; gap: var(--space-4);
}
.quote p { font-size: var(--fs-small); line-height: 1.6; }
.quote__who { display: flex; align-items: center; gap: var(--space-3); margin-block-start: auto; }
.quote__avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--accent-grad); color: var(--on-accent); display: grid; place-items: center; font-weight: var(--fw-semibold); font-size: 0.9rem; }
.quote__name { font-size: var(--fs-small); font-weight: var(--fw-semibold); }
.quote__role { font-size: var(--fs-caption); color: var(--text-faint); }
@media (max-width: 860px) { .quotes { grid-template-columns: 1fr; } }

/* ---- FAQ ----------------------------------------------------------------- */
.faq { max-width: 46rem; margin-inline: auto; }
.faq__item { border-block-end: 1px solid var(--hairline); }
.faq__item > summary {
  list-style: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  padding: var(--space-6) 0;
  font-size: var(--fs-h3);
  font-weight: var(--fw-medium);
  color: var(--text);
}
.faq__item > summary::-webkit-details-marker { display: none; }
.faq__item > summary::after {
  content: "";
  width: 12px; height: 12px; flex: none;
  border-inline-end: 2px solid var(--text-faint);
  border-block-end: 2px solid var(--text-faint);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}
.faq__item[open] > summary::after { transform: rotate(-135deg); }
.faq__a { padding-block-end: var(--space-6); color: var(--text-muted); font-size: var(--fs-body); max-width: 54ch; }

/* ---- CTA band ------------------------------------------------------------ */
.cta-band {
  position: relative;
  text-align: center;
  border-radius: var(--radius-2xl);
  padding: clamp(3rem, 2rem + 5vw, 6rem) var(--gutter);
  background:
    radial-gradient(80% 120% at 50% 0%, var(--accent-soft) 0%, transparent 60%),
    var(--card-grad);
  border: 1px solid var(--border);
  overflow: hidden;
}
.cta-band h2 { max-width: 20ch; margin-inline: auto; }
.cta-band .lead { max-width: 46ch; margin-inline: auto; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: center; margin-block-start: var(--space-8); }

/* ---- Waitlist ------------------------------------------------------------ */
.waitlist {
  display: flex; gap: var(--space-2);
  max-width: 30rem; margin-inline: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 6px;
}
.waitlist input {
  flex: 1; min-width: 0;
  background: none; border: none; outline: none;
  padding-inline: var(--space-4);
  color: var(--text);
  font-size: var(--fs-small);
}
.waitlist input::placeholder { color: var(--text-faint); }
.waitlist__note { font-size: var(--fs-caption); color: var(--text-faint); margin-block-start: var(--space-4); text-align: center; }
.form-ok { color: var(--accent); font-weight: var(--fw-semibold); }

/* ---- Footer -------------------------------------------------------------- */
.site-footer {
  border-block-start: 1px solid var(--hairline);
  padding-block: var(--space-20) var(--space-10);
  margin-block-start: var(--section-y);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: clamp(1.5rem, 1rem + 2vw, 3rem);
}
.footer__brand { max-width: 24rem; }
.footer__brand .nav__brand { margin-bottom: var(--space-4); }
.footer__brand p { color: var(--text-muted); font-size: var(--fs-small); }
.footer__col h4 { font-size: var(--fs-caption); text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-faint); margin-bottom: var(--space-4); font-weight: var(--fw-semibold); }
.footer__col ul { list-style: none; padding: 0; display: grid; gap: var(--space-3); }
.footer__col a { color: var(--text-muted); font-size: var(--fs-small); transition: color var(--dur-quick) var(--ease); }
.footer__col a:hover { color: var(--text); }
.footer__bottom {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-4);
  margin-block-start: var(--space-16);
  padding-block-start: var(--space-8);
  border-block-start: 1px solid var(--hairline);
  color: var(--text-faint); font-size: var(--fs-caption);
}
.footer__social { display: flex; gap: var(--space-2); }
@media (max-width: 820px) { .footer__grid { grid-template-columns: 1fr 1fr; } .footer__brand { grid-column: 1 / -1; } }
@media (max-width: 520px) { .footer__grid { grid-template-columns: 1fr; } }

/* ---- Legal / prose pages ------------------------------------------------- */
.prose { max-width: 46rem; margin-inline: auto; }
.prose h2 { font-size: var(--fs-h3); margin-block: var(--space-10) var(--space-4); }
.prose h3 { font-size: var(--fs-lead); margin-block: var(--space-6) var(--space-3); }
.prose p, .prose li { color: var(--text-muted); font-size: var(--fs-body); line-height: 1.7; }
.prose ul, .prose ol { padding-inline-start: 1.25rem; display: grid; gap: var(--space-2); margin-block: var(--space-4); }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.prose__meta { color: var(--text-faint); font-size: var(--fs-small); margin-block-end: var(--space-8); }

/* Support / contact cards */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.info-card {
  background: var(--card-grad); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: var(--space-8); box-shadow: var(--shadow-card);
}
.info-card__icon { width: 44px; height: 44px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; margin-bottom: var(--space-5); }
.info-card h3 { font-size: var(--fs-h3); margin-bottom: var(--space-2); }
.info-card p { color: var(--text-muted); font-size: var(--fs-small); }
@media (max-width: 820px) { .cards-3 { grid-template-columns: 1fr; } }

/* ---- Hero responsive ----------------------------------------------------- */
@media (max-width: 940px) {
  .hero__grid { grid-template-columns: 1fr; text-align: center; }
  .hero__copy { max-width: 40rem; margin-inline: auto; }
  .hero .lead { margin-inline: auto; }
  .hero__cta, .hero__proof { justify-content: center; }
  .hero__stage { margin-block-start: var(--space-12); }
  .eyebrow { justify-content: center; }
}