/* ==========================================================================
   RIVANOVA HEALTHCARE — components.css
   Preloader · header · mega-menu · drawer · buttons · cards · forms · footer
   ========================================================================== */

/* ==========================================================================
   1. PRELOADER
   ========================================================================== */
.preloader {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  display: grid;
  place-items: center;
  background: var(--bg);
  transition: opacity 620ms var(--ease-out), visibility 620ms;
}
.preloader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.preloader__inner {
  display: grid;
  justify-items: center;
  gap: var(--sp-5);
}
.preloader__mark { width: 82px; height: 82px; }
.preloader__ring {
  stroke-dasharray: 90 200;
  transform-origin: center;
  animation: pl-spin 1.35s var(--ease-in-out) infinite;
}
.preloader__glyph {
  stroke-dasharray: 160;
  stroke-dashoffset: 160;
  animation: pl-draw 1.6s var(--ease-out) forwards;
}
.preloader__word {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.42em;
  text-indent: 0.42em;
  color: var(--text-soft);
}
.preloader__bar {
  width: 156px;
  height: 3px;
  border-radius: var(--r-pill);
  background: var(--line);
  overflow: hidden;
}
.preloader__fill {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: var(--grad-accent);
  transition: width 260ms var(--ease-out);
}

/* ==========================================================================
   2. SCROLL PROGRESS + CURSOR GLOW
   ========================================================================== */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  z-index: calc(var(--z-header) + 2);
  pointer-events: none;
  background: transparent;
}
.scroll-progress__bar {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--grad-accent);
  box-shadow: 0 0 14px rgb(0 174 239 / 0.6);
  transition: width 90ms linear;
}

.cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 460px;
  height: 460px;
  margin: -230px 0 0 -230px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  background: radial-gradient(circle, rgb(0 174 239 / 0.16) 0%, rgb(22 199 154 / 0.09) 38%, transparent 68%);
  transition: opacity 420ms var(--ease-out);
  will-change: transform;
}
.cursor-glow.is-on { opacity: 1; }
@media (hover: none), (max-width: 960px) { .cursor-glow { display: none; } }

/* ==========================================================================
   3. TOP UTILITY BAR
   ========================================================================== */
.topbar {
  position: relative;
  z-index: calc(var(--z-header) + 1);
  background: var(--grad-deep);
  color: rgb(233 244 255 / 0.9);
  font-size: var(--fs-2xs);
  letter-spacing: 0.01em;
  border-bottom: 1px solid rgb(255 255 255 / 0.08);
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  min-height: 40px;
  padding-block: var(--sp-2);
}
.topbar__note {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  margin: 0;
}
.topbar__pulse {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green-400);
  box-shadow: 0 0 0 0 rgb(22 199 154 / 0.7);
  animation: pulse-ring 2.4s var(--ease-out) infinite;
  flex-shrink: 0;
}
.topbar__links { display: flex; align-items: center; gap: var(--sp-4); }
.topbar__link { color: inherit; font-weight: 500; }
.topbar__link:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.topbar__sep { width: 1px; height: 12px; background: rgb(255 255 255 / 0.25); }
@media (max-width: 860px) {
  .topbar__note { display: none; }
  .topbar__inner { justify-content: center; }
}
@media (max-width: 480px) {
  .topbar__links { font-size: 0.7rem; gap: var(--sp-3); }
}

/* ==========================================================================
   4. HEADER
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--line-soft);
  transition: background-color var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out),
              border-color var(--t-base) var(--ease-out),
              transform 420ms var(--ease-out);
}
.header.is-stuck {
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--line);
}
.header.is-hidden { transform: translateY(-100%); }
.header.is-open { transform: none; }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  min-height: var(--header-h);
}

/* ---------- Brand ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  color: var(--text-strong);
  flex-shrink: 0;
}
.brand__mark {
  width: 42px; height: 42px;
  display: block;
  border-radius: 13px;
  box-shadow: var(--shadow-brand);
  transition: transform var(--t-base) var(--ease-spring), box-shadow var(--t-base) var(--ease-out);
}
.brand__mark svg { width: 100%; height: 100%; }
.brand:hover .brand__mark { transform: rotate(-6deg) scale(1.06); }
.brand__text { display: grid; line-height: 1.1; }
.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.14rem;
  letter-spacing: 0.11em;
  color: var(--text-strong);
}
.brand__sub {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.19em;
  text-transform: uppercase;
  color: var(--text-mute);
}
@media (max-width: 420px) {
  .brand__mark { width: 36px; height: 36px; }
  .brand__name { font-size: 1rem; letter-spacing: 0.08em; }
  .brand__sub { font-size: 0.55rem; }
}

/* ---------- Primary nav ---------- */
.nav { display: block; }
.nav__list {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}
.nav__item { position: relative; }

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-soft);
  border-radius: var(--r-sm);
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease-out), background-color var(--t-fast) var(--ease-out);
}
.nav__link::after {
  content: '';
  position: absolute;
  left: var(--sp-4);
  right: var(--sp-4);
  bottom: 6px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base) var(--ease-out);
}
.nav__link:hover,
.nav__link:focus-visible { color: var(--text-strong); }
.nav__link:hover::after { transform: scaleX(1); }
.nav__link.is-active { color: var(--brand); font-weight: 600; }
.nav__link.is-active::after { transform: scaleX(1); }
.nav__link--toggle .ico--chev {
  width: 15px; height: 15px;
  opacity: 0.6;
  transition: transform var(--t-base) var(--ease-out);
}
.nav__item--has-mega.is-open .nav__link--toggle .ico--chev { transform: rotate(180deg); }
.nav__item--has-mega.is-open .nav__link--toggle { color: var(--text-strong); }

/* ---------- Mega menu ---------- */
.mega {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translate(-50%, 10px);
  width: min(940px, calc(100vw - 3rem));
  padding: var(--sp-3);
  border-radius: var(--r-xl);
  background: var(--glass-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--t-base) var(--ease-out),
              transform var(--t-base) var(--ease-out),
              visibility var(--t-base);
}
:root[data-theme='dark'] .mega { background: color-mix(in srgb, var(--bg-elev) 92%, transparent); }
.nav__item--has-mega.is-open .mega {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
}
.mega::before {
  content: '';
  position: absolute;
  top: -7px;
  left: 50%;
  width: 14px; height: 14px;
  transform: translateX(-50%) rotate(45deg);
  background: inherit;
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
  border-radius: 3px 0 0 0;
}
.mega__inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr)) minmax(0, 0.92fr);
  gap: var(--sp-2);
  position: relative;
  z-index: 1;
}
.mega__col { padding: var(--sp-4); }
.mega__title {
  font-family: var(--font-display);
  font-size: var(--fs-2xs);
  font-weight: 600;
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: var(--sp-3);
  padding-left: var(--sp-3);
}
.mega__list { display: grid; gap: 2px; }
.mega__link {
  display: grid;
  gap: 2px;
  padding: var(--sp-3);
  border-radius: var(--r-md);
  color: var(--text);
  transition: background-color var(--t-fast) var(--ease-out), transform var(--t-fast) var(--ease-out);
}
.mega__link:hover,
.mega__link:focus-visible {
  background: color-mix(in srgb, var(--brand) 8%, transparent);
  transform: translateX(3px);
}
.mega__link.is-active { background: color-mix(in srgb, var(--brand) 11%, transparent); }
.mega__link-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--text-strong);
}
.mega__link.is-active .mega__link-label { color: var(--brand); }
.mega__link-desc {
  font-size: var(--fs-xs);
  color: var(--text-mute);
  line-height: 1.45;
}

.mega__feature {
  position: relative;
  overflow: hidden;
  padding: var(--sp-6);
  border-radius: var(--r-lg);
  background: var(--grad-deep);
  color: #EAF4FF;
  display: grid;
  align-content: start;
  gap: var(--sp-2);
  isolation: isolate;
}
.mega__feature-eyebrow {
  font-family: var(--font-display);
  font-size: var(--fs-2xs);
  font-weight: 600;
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
  color: var(--blue-300);
}
.mega__feature-title {
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 650;
  line-height: 1.3;
  color: #fff;
  letter-spacing: var(--ls-snug);
}
.mega__feature-text {
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: rgb(234 244 255 / 0.74);
}
.mega__feature-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  margin-top: var(--sp-2);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--green-300);
}
.mega__feature-cta .ico { width: 16px; height: 16px; transition: transform var(--t-base) var(--ease-out); }
.mega__feature-cta:hover .ico { transform: translateX(4px); }
.mega__feature-glow {
  position: absolute;
  right: -40px; bottom: -60px;
  width: 190px; height: 190px;
  border-radius: 50%;
  background: radial-gradient(circle, rgb(22 199 154 / 0.42), transparent 68%);
  z-index: -1;
  animation: float-soft 9s var(--ease-in-out) infinite;
}

@media (max-width: 1180px) {
  .nav__link { padding-inline: var(--sp-3); }
  .mega__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mega__feature { grid-column: 1 / -1; }
}

/* ---------- Header actions ---------- */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-shrink: 0;
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  border-radius: var(--r-md);
  color: var(--text-soft);
  border: 1px solid var(--line);
  background: var(--glass);
  transition: color var(--t-fast) var(--ease-out),
              border-color var(--t-fast) var(--ease-out),
              background-color var(--t-fast) var(--ease-out),
              transform var(--t-fast) var(--ease-out);
}
.icon-btn:hover {
  color: var(--brand);
  border-color: color-mix(in srgb, var(--brand) 40%, transparent);
  transform: translateY(-2px);
}
.icon-btn .ico { width: 19px; height: 19px; }

.theme-toggle { position: relative; overflow: hidden; }
.theme-toggle .ico {
  position: absolute;
  transition: transform 480ms var(--ease-spring), opacity 300ms var(--ease-out);
}
.theme-toggle__moon { transform: translateY(140%) rotate(-40deg); opacity: 0; }
:root[data-theme='dark'] .theme-toggle__sun { transform: translateY(-140%) rotate(40deg); opacity: 0; }
:root[data-theme='dark'] .theme-toggle__moon { transform: none; opacity: 1; }

.header__cta { margin-left: var(--sp-1); }

/* ---------- Hamburger ---------- */
.nav-toggle { display: none; }
.nav-toggle__box {
  display: grid;
  gap: 4px;
  width: 19px;
}
.nav-toggle__box i {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--t-base) var(--ease-out), opacity var(--t-fast) var(--ease-out), width var(--t-base) var(--ease-out);
}
.nav-toggle__box i:nth-child(2) { width: 14px; margin-left: auto; }
.nav-toggle[aria-expanded='true'] .nav-toggle__box i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded='true'] .nav-toggle__box i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded='true'] .nav-toggle__box i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); width: 19px; }

@media (max-width: 1080px) {
  .nav { display: none; }
  .nav-toggle { display: grid; }
}
@media (max-width: 560px) {
  /* Scoped to beat `.btn { display: inline-flex }`, which is defined later in
     this file at equal specificity. Without the extra class the CTA stays
     visible and shoves the hamburger off the edge of the screen. */
  .header__actions .header__cta { display: none; }
}

/* ==========================================================================
   5. MOBILE DRAWER
   ========================================================================== */
.drawer-scrim {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-drawer) - 1);
  background: var(--scrim);
  backdrop-filter: blur(3px);
  opacity: 0;
  transition: opacity var(--t-base) var(--ease-out);
}
.drawer-scrim.is-open { opacity: 1; }

.drawer {
  position: fixed;
  top: 0; right: 0;
  z-index: var(--z-drawer);
  width: min(420px, 88vw);
  height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg-elev);
  border-left: 1px solid var(--line);
  box-shadow: var(--shadow-xl);
  transform: translateX(100%);
  transition: transform 460ms var(--ease-out);
  overscroll-behavior: contain;
}
.drawer.is-open { transform: none; }

.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5) var(--sp-6);
  border-bottom: 1px solid var(--line-soft);
}
.drawer__title {
  font-family: var(--font-display);
  font-size: var(--fs-2xs);
  font-weight: 600;
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
  color: var(--text-mute);
}
.drawer__nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-4) var(--sp-4) var(--sp-8);
}
.drawer__list { display: grid; gap: 2px; }
.drawer__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-4);
  border-radius: var(--r-md);
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 550;
  color: var(--text);
  text-align: left;
  transition: background-color var(--t-fast) var(--ease-out), color var(--t-fast) var(--ease-out);
}
.drawer__link:hover { background: var(--bg-alt); color: var(--brand); }
.drawer__link.is-active { color: var(--brand); }
.drawer__link .ico--chev {
  width: 17px; height: 17px;
  opacity: 0.5;
  transition: transform var(--t-base) var(--ease-out);
}
.drawer__link[aria-expanded='true'] .ico--chev { transform: rotate(180deg); }
.drawer__link[aria-expanded='true'] { color: var(--brand); }

.drawer__panel {
  overflow: hidden;
  transition: height 340ms var(--ease-out);
}
.drawer__sublist {
  display: grid;
  gap: 1px;
  margin: var(--sp-1) 0 var(--sp-3);
  padding-left: var(--sp-4);
  border-left: 2px solid var(--line);
}
.drawer__sublink {
  display: block;
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-sm);
  font-size: var(--fs-sm);
  color: var(--text-soft);
  transition: color var(--t-fast) var(--ease-out), background-color var(--t-fast) var(--ease-out);
}
.drawer__sublink:hover { color: var(--brand); background: var(--bg-alt); }
.drawer__sublink.is-active { color: var(--brand); font-weight: 600; }

.drawer__foot {
  display: grid;
  gap: var(--sp-3);
  padding: var(--sp-6);
  border-top: 1px solid var(--line-soft);
  background: var(--bg-alt);
}
.drawer__meta {
  font-size: var(--fs-sm);
  color: var(--text-soft);
  text-align: center;
}
.drawer__meta:hover { color: var(--brand); }

/* ==========================================================================
   6. BUTTONS
   ========================================================================== */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 0.95rem 1.7rem;
  border-radius: var(--r-pill);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.005em;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid transparent;
  transition: transform var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out),
              background-color var(--t-base) var(--ease-out),
              border-color var(--t-base) var(--ease-out),
              color var(--t-base) var(--ease-out);
}
.btn .ico { width: 17px; height: 17px; flex-shrink: 0; }
.btn .ico--arrow { transition: transform var(--t-base) var(--ease-out); }
.btn:hover .ico--arrow { transform: translateX(4px); }
.btn:active { transform: translateY(1px) scale(0.985); }

/* Primary — brand gradient with a sweep on hover */
.btn--primary {
  color: #fff;
  background: var(--grad-brand);
  box-shadow: var(--shadow-brand);
}
.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-400) 55%, var(--green-400));
  opacity: 0;
  transition: opacity var(--t-base) var(--ease-out);
}
.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 46px -14px rgb(0 91 172 / 0.58);
}
.btn--primary:hover::before { opacity: 1; }

/* Accent */
.btn--accent {
  color: #04231C;
  background: var(--grad-accent);
  box-shadow: var(--shadow-accent);
}
.btn--accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 46px -14px rgb(22 199 154 / 0.55);
}

/* Ghost / outline */
.btn--ghost {
  color: var(--text-strong);
  border-color: var(--line-strong);
  background: var(--glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  color: var(--brand);
  border-color: color-mix(in srgb, var(--brand) 55%, transparent);
  background: color-mix(in srgb, var(--brand) 7%, transparent);
  transform: translateY(-3px);
}

/* On dark backgrounds */
.btn--light {
  color: var(--blue-800);
  background: #fff;
  box-shadow: 0 16px 40px -14px rgb(0 0 0 / 0.4);
}
.btn--light:hover { transform: translateY(-3px); box-shadow: 0 24px 52px -16px rgb(0 0 0 / 0.5); }

.btn--outline-light {
  color: #fff;
  border-color: rgb(255 255 255 / 0.35);
  background: rgb(255 255 255 / 0.06);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn--outline-light:hover {
  border-color: rgb(255 255 255 / 0.75);
  background: rgb(255 255 255 / 0.14);
  transform: translateY(-3px);
}

/* Text link button */
.btn--text {
  padding: 0.4rem 0;
  color: var(--brand);
  border-radius: 0;
}
.btn--text::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1.5px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--t-base) var(--ease-out);
}
.btn--text:hover::after { transform: scaleX(1); transform-origin: left; }
.btn--text:active { transform: none; }

/* Sizes */
.btn--sm { padding: 0.68rem 1.25rem; font-size: var(--fs-xs); }
.btn--lg { padding: 1.15rem 2.2rem; font-size: 1rem; }
.btn--block { width: 100%; }

.btn[disabled], .btn.is-loading {
  opacity: 0.6;
  pointer-events: none;
}
.btn.is-loading::after {
  content: '';
  width: 15px; height: 15px;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-top-color: transparent;
  animation: spin 700ms linear infinite;
}

/* Ripple layer injected by JS */
.ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  background: rgb(255 255 255 / 0.42);
  pointer-events: none;
  animation: ripple-out 620ms var(--ease-out) forwards;
}
.btn--ghost .ripple, .btn--light .ripple { background: rgb(0 91 172 / 0.22); }

/* ==========================================================================
   7. CHIPS / BADGES / PILLS
   ========================================================================== */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.42rem 0.9rem;
  border-radius: var(--r-pill);
  font-size: var(--fs-xs);
  font-weight: 550;
  line-height: 1.3;
  color: var(--text-soft);
  background: var(--bg-alt);
  border: 1px solid var(--line-soft);
  transition: all var(--t-fast) var(--ease-out);
}
.chip .ico { width: 15px; height: 15px; }
.chip--brand {
  color: var(--brand);
  background: color-mix(in srgb, var(--brand) 9%, transparent);
  border-color: color-mix(in srgb, var(--brand) 22%, transparent);
}
.chip--accent {
  color: var(--green-700);
  background: color-mix(in srgb, var(--green-400) 14%, transparent);
  border-color: color-mix(in srgb, var(--green-400) 28%, transparent);
}
:root[data-theme='dark'] .chip--accent { color: var(--green-300); }
.chip--ghost {
  color: rgb(234 244 255 / 0.72);
  background: rgb(255 255 255 / 0.05);
  border-color: rgb(255 255 255 / 0.12);
}
.chip--lg { padding: 0.6rem 1.15rem; font-size: var(--fs-sm); }

/* Glass badge used on hero + dark sections */
.badge-glass {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 0.5rem 0.55rem 0.5rem 0.95rem;
  border-radius: var(--r-pill);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--text-soft);
  background: var(--glass);
  border: 1px solid var(--line);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow-sm);
}
.badge-glass__tag {
  padding: 0.24rem 0.62rem;
  border-radius: var(--r-pill);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: var(--grad-brand);
}

/* ==========================================================================
   8. SURFACES — cards & glass
   ========================================================================== */
.glass {
  background: var(--glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-line);
  box-shadow: var(--shadow-md);
}
:root[data-theme='dark'] .glass { border-color: var(--line); }

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(1.5rem, 1.2rem + 1vw, 2.25rem);
  border-radius: var(--r-lg);
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out),
              border-color var(--t-base) var(--ease-out);
}
/* Gradient hairline that reveals on hover */
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, var(--blue-400), var(--green-400));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--t-base) var(--ease-out);
}
.card--lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.card--lift:hover::before { opacity: 1; }

.card--glass {
  background: var(--glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-color: var(--glass-line);
}
.card--flat { box-shadow: none; background: var(--bg-alt); }
.card--pad-lg { padding: clamp(1.75rem, 1.3rem + 1.8vw, 3rem); }

.card__icon {
  display: grid;
  place-items: center;
  width: 54px; height: 54px;
  border-radius: var(--r-md);
  margin-bottom: var(--sp-5);
  color: var(--brand);
  background: color-mix(in srgb, var(--brand) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--brand) 16%, transparent);
  transition: transform var(--t-base) var(--ease-spring), background-color var(--t-base) var(--ease-out), color var(--t-base) var(--ease-out);
}
.card__icon .ico { width: 25px; height: 25px; }
.card--lift:hover .card__icon {
  transform: translateY(-3px) rotate(-6deg) scale(1.06);
  background: var(--grad-brand);
  color: #fff;
}
.card__icon--accent {
  color: var(--green-500);
  background: color-mix(in srgb, var(--green-400) 13%, transparent);
  border-color: color-mix(in srgb, var(--green-400) 22%, transparent);
}
.card--lift:hover .card__icon--accent { background: var(--grad-accent); color: #04231C; }

.card__title {
  font-size: var(--fs-h4);
  margin-bottom: var(--sp-3);
}
.card__text {
  color: var(--text-soft);
  font-size: var(--fs-sm);
  line-height: 1.72;
}
.card__foot {
  margin-top: auto;
  padding-top: var(--sp-5);
}
.card__index {
  position: absolute;
  top: var(--sp-5);
  right: var(--sp-6);
  font-family: var(--font-display);
  font-size: 3.1rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text);
  opacity: 0.055;
  pointer-events: none;
  user-select: none;
}

/* Card sheen — a light sweep tracking the pointer */
.card--sheen::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--brand) 12%, transparent), transparent 62%);
  opacity: 0;
  transition: opacity var(--t-base) var(--ease-out);
}
.card--sheen:hover::after { opacity: 1; }

/* ==========================================================================
   9. LINK ARROW (used on card footers)
   ========================================================================== */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--brand);
}
.link-arrow .ico { width: 16px; height: 16px; transition: transform var(--t-base) var(--ease-out); }
.link-arrow:hover { color: var(--accent); }
.link-arrow:hover .ico { transform: translateX(5px); }

/* ==========================================================================
   10. FORMS
   ========================================================================== */
.field { display: grid; gap: var(--sp-2); }
.field__label {
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-soft);
  letter-spacing: 0.01em;
}
.field__label .req { color: var(--error-fg); margin-left: 2px; }
.field__hint { font-size: var(--fs-xs); color: var(--text-mute); }

.input,
.textarea,
.select {
  width: 100%;
  padding: 0.92rem 1.1rem;
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  font-family: var(--font-body);
  color: var(--text-strong);
  background: var(--bg);
  border: 1px solid var(--line-strong);
  transition: border-color var(--t-fast) var(--ease-out),
              box-shadow var(--t-fast) var(--ease-out),
              background-color var(--t-fast) var(--ease-out);
}
:root[data-theme='dark'] .input,
:root[data-theme='dark'] .textarea,
:root[data-theme='dark'] .select { background: var(--bg-sunken); }

.input::placeholder, .textarea::placeholder { color: var(--text-mute); }
.input:hover, .textarea:hover, .select:hover { border-color: var(--grey-400); }
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 15%, transparent);
}
.textarea { min-height: 148px; resize: vertical; line-height: 1.65; }

.select {
  appearance: none;
  cursor: pointer;
  padding-right: 2.9rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236F8095' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.05rem center;
  background-size: 17px;
}

.field.is-invalid .input,
.field.is-invalid .textarea,
.field.is-invalid .select {
  border-color: var(--error);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--error) 13%, transparent);
}
.field.is-valid .input,
.field.is-valid .textarea,
.field.is-valid .select { border-color: var(--ok); }

.field__error {
  display: none;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--error-fg);
}
.field.is-invalid .field__error { display: flex; }

.field--inline {
  display: flex;
  gap: var(--sp-2);
  align-items: stretch;
}
.field--inline .input { flex: 1; min-width: 0; }
@media (max-width: 520px) {
  .field--inline { flex-direction: column; }
}

/* Checkbox / consent */
.check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--sp-3);
  align-items: start;
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: var(--text-soft);
  cursor: pointer;
}
.check input {
  appearance: none;
  width: 20px; height: 20px;
  margin-top: 1px;
  border-radius: var(--r-xs);
  border: 1.5px solid var(--line-strong);
  background: var(--bg);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all var(--t-fast) var(--ease-out);
  flex-shrink: 0;
}
.check input::after {
  content: '';
  width: 10px; height: 6px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg) scale(0);
  transition: transform var(--t-fast) var(--ease-spring);
  margin-top: -2px;
}
.check input:checked {
  background: var(--grad-brand);
  border-color: transparent;
}
.check input:checked::after { transform: rotate(-45deg) scale(1); }
.check a { text-decoration: underline; text-underline-offset: 2px; }

.form-status {
  font-size: var(--fs-xs);
  font-weight: 550;
  min-height: 1.2em;
  margin-top: var(--sp-2);
}
.form-status.is-ok { color: var(--ok-fg); }
.form-status.is-error { color: var(--error-fg); }

/* Honeypot — hidden from humans, catches naive bots */
.hp-field {
  position: absolute !important;
  left: -9999px;
  opacity: 0;
  height: 0;
  pointer-events: none;
}

/* ==========================================================================
   11. ACCORDION
   ========================================================================== */
.accordion { display: grid; gap: var(--sp-3); }

.acc {
  border-radius: var(--r-lg);
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
  overflow: hidden;
  transition: border-color var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease-out);
}
.acc.is-open {
  border-color: color-mix(in srgb, var(--brand) 30%, transparent);
  box-shadow: var(--shadow-md);
}
.acc__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  width: 100%;
  padding: clamp(1.1rem, 0.9rem + 0.6vw, 1.5rem) clamp(1.25rem, 1rem + 0.8vw, 1.75rem);
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--fs-h5);
  font-weight: 600;
  color: var(--text-strong);
  transition: color var(--t-fast) var(--ease-out), background-color var(--t-fast) var(--ease-out);
}
.acc__btn:hover { color: var(--brand); background: var(--bg-alt); }
.acc.is-open .acc__btn { color: var(--brand); }
.acc__sign {
  position: relative;
  flex-shrink: 0;
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid var(--line);
  transition: background-color var(--t-base) var(--ease-out), border-color var(--t-base) var(--ease-out), transform var(--t-base) var(--ease-out);
}
.acc__sign::before,
.acc__sign::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 11px; height: 1.8px;
  border-radius: 2px;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform var(--t-base) var(--ease-out), opacity var(--t-fast) var(--ease-out);
}
.acc__sign::after { transform: translate(-50%, -50%) rotate(90deg); }
.acc.is-open .acc__sign {
  background: var(--grad-brand);
  border-color: transparent;
  color: #fff;
  transform: rotate(180deg);
}
.acc.is-open .acc__sign::after { opacity: 0; }

.acc__panel {
  overflow: hidden;
  height: 0;
  transition: height 420ms var(--ease-out);
}
.acc__body {
  padding: 0 clamp(1.25rem, 1rem + 0.8vw, 1.75rem) clamp(1.25rem, 1rem + 0.8vw, 1.75rem);
  color: var(--text-soft);
  font-size: var(--fs-sm);
  line-height: 1.78;
  max-width: 76ch;
}
.acc__body a { text-decoration: underline; text-underline-offset: 2px; }

/* ==========================================================================
   12. TABS
   ========================================================================== */
.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  padding: var(--sp-2);
  border-radius: var(--r-pill);
  background: var(--bg-alt);
  border: 1px solid var(--line-soft);
  width: fit-content;
  max-width: 100%;
}
.tabs__btn {
  padding: 0.7rem 1.4rem;
  border-radius: var(--r-pill);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 550;
  color: var(--text-soft);
  white-space: nowrap;
  transition: all var(--t-base) var(--ease-out);
}
.tabs__btn:hover { color: var(--text-strong); }
.tabs__btn[aria-selected='true'] {
  color: #fff;
  background: var(--grad-brand);
  box-shadow: var(--shadow-brand);
}
.tabs__panel[hidden] { display: none; }
.tabs__panel { animation: fade-up 520ms var(--ease-out) both; }

/* ==========================================================================
   13. FILTER BAR (products, gallery, blog)
   ========================================================================== */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  align-items: center;
}
.filter-btn {
  padding: 0.62rem 1.2rem;
  border-radius: var(--r-pill);
  font-size: var(--fs-xs);
  font-family: var(--font-display);
  font-weight: 550;
  color: var(--text-soft);
  border: 1px solid var(--line);
  background: var(--bg-elev);
  transition: all var(--t-base) var(--ease-out);
}
.filter-btn:hover {
  color: var(--brand);
  border-color: color-mix(in srgb, var(--brand) 45%, transparent);
  transform: translateY(-2px);
}
.filter-btn.is-active {
  color: #fff;
  background: var(--grad-brand);
  border-color: transparent;
  box-shadow: var(--shadow-brand);
}

/* ==========================================================================
   14. BREADCRUMB
   ========================================================================== */
.crumbs { margin-bottom: var(--sp-6); }
.crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-xs);
  color: var(--text-mute);
}
.crumbs__item { display: inline-flex; align-items: center; gap: var(--sp-2); }
.crumbs__item + .crumbs__item::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.45;
}
.crumbs__item a { color: var(--text-mute); }
.crumbs__item a:hover { color: var(--brand); }
.crumbs__item[aria-current] { color: var(--text-soft); font-weight: 550; }

/* ==========================================================================
   15. FOOTER
   ========================================================================== */
.footer {
  position: relative;
  margin-top: var(--section-y);
  padding-top: var(--sp-16);
  background: var(--bg-deep);
  color: rgb(226 238 250 / 0.72);
  overflow: hidden;
  isolation: isolate;
}
.footer__aurora {
  position: absolute;
  top: -200px; left: 50%;
  width: 1100px; height: 620px;
  transform: translateX(-50%);
  z-index: -1;
  background:
    radial-gradient(ellipse at 30% 40%, rgb(0 91 172 / 0.45), transparent 62%),
    radial-gradient(ellipse at 72% 30%, rgb(22 199 154 / 0.24), transparent 60%);
  filter: blur(38px);
  pointer-events: none;
  animation: aurora-drift 22s var(--ease-in-out) infinite alternate;
}
.footer a { color: rgb(226 238 250 / 0.72); }
.footer a:hover { color: #fff; }
.footer h2, .footer h3 { color: #fff; }

/* --- Newsletter --- */
.footer__news { margin-bottom: var(--sp-16); }
.newsletter {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(1.75rem, 1.2rem + 2.5vw, 3.5rem);
  align-items: center;
  padding: clamp(1.75rem, 1.2rem + 2.6vw, 3.25rem);
  border-radius: var(--r-2xl);
  background: rgb(255 255 255 / 0.055);
  border: 1px solid rgb(255 255 255 / 0.11);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: 0 30px 70px -30px rgb(0 0 0 / 0.7);
}
.newsletter__title {
  font-size: clamp(1.4rem, 1.15rem + 1.1vw, 2rem);
  margin-top: var(--sp-3);
  color: #fff;
}
.newsletter__text {
  margin-top: var(--sp-3);
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: rgb(226 238 250 / 0.7);
}
.newsletter__form .input {
  background: rgb(255 255 255 / 0.07);
  border-color: rgb(255 255 255 / 0.16);
  color: #fff;
}
.newsletter__form .input::placeholder { color: rgb(226 238 250 / 0.45); }
.newsletter__form .input:focus {
  border-color: var(--green-400);
  box-shadow: 0 0 0 4px rgb(22 199 154 / 0.2);
}
.newsletter__fine {
  margin-top: var(--sp-3);
  font-size: var(--fs-2xs);
  color: rgb(226 238 250 / 0.5);
}
.newsletter__fine a { text-decoration: underline; text-underline-offset: 2px; }
@media (max-width: 900px) {
  .newsletter { grid-template-columns: minmax(0, 1fr); }
}

/* --- Footer body --- */
.footer__main {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 2.2fr);
  gap: clamp(2.5rem, 1.5rem + 4vw, 5rem);
  padding-bottom: var(--sp-14);
}
.brand--footer .brand__name,
.brand--footer .brand__sub { color: #fff; }
.brand--footer .brand__sub { color: rgb(226 238 250 / 0.55); }

.footer__pitch {
  margin-top: var(--sp-5);
  font-size: var(--fs-sm);
  line-height: 1.75;
  max-width: 42ch;
  color: rgb(226 238 250 / 0.66);
}
.footer__contact {
  display: grid;
  gap: var(--sp-3);
  margin-top: var(--sp-7);
}
.footer__contact-row {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: var(--sp-3);
  align-items: start;
  font-size: var(--fs-sm);
  line-height: 1.55;
}
.footer__contact-row .ico {
  width: 18px; height: 18px;
  color: var(--green-400);
  margin-top: 2px;
}
.footer__contact-row--static { color: rgb(226 238 250 / 0.66); }

.social {
  display: flex;
  gap: var(--sp-2);
  margin-top: var(--sp-7);
}
.social__link {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  border: 1px solid rgb(255 255 255 / 0.12);
  background: rgb(255 255 255 / 0.045);
  transition: all var(--t-base) var(--ease-out);
}
.social__link .ico { width: 18px; height: 18px; }
.social__link:hover {
  transform: translateY(-4px);
  background: var(--grad-brand);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 12px 26px -10px rgb(0 174 239 / 0.6);
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-8);
}
.footer__col-title {
  font-size: var(--fs-2xs);
  font-weight: 600;
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
  color: #fff;
  margin-bottom: var(--sp-5);
}
.footer__links { display: grid; gap: var(--sp-3); }
.footer__links a {
  font-size: var(--fs-sm);
  display: inline-block;
  transition: transform var(--t-fast) var(--ease-out), color var(--t-fast) var(--ease-out);
}
.footer__links a:hover { transform: translateX(4px); }

@media (max-width: 1000px) {
  .footer__main { grid-template-columns: minmax(0, 1fr); }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-8) var(--sp-6); }
}
@media (max-width: 520px) {
  .footer__grid { grid-template-columns: minmax(0, 1fr); }
}

/* --- Compliance strip --- */
.footer__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  padding-top: var(--sp-8);
  border-top: 1px solid rgb(255 255 255 / 0.08);
}
.footer__disclaimer {
  margin-top: var(--sp-6);
  padding-bottom: var(--sp-8);
  font-size: var(--fs-2xs);
  line-height: 1.75;
  color: rgb(226 238 250 / 0.45);
  max-width: 105ch;
}
.footer__disclaimer strong { color: rgb(226 238 250 / 0.72); }

.footer__bar {
  border-top: 1px solid rgb(255 255 255 / 0.08);
  background: rgb(0 0 0 / 0.22);
}
.footer__bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-block: var(--sp-5);
  font-size: var(--fs-xs);
}
.footer__copy { color: rgb(226 238 250 / 0.5); }
.footer__legal { display: flex; flex-wrap: wrap; gap: var(--sp-5); }
.footer__legal a { color: rgb(226 238 250 / 0.5); }

/* ==========================================================================
   16. BACK TO TOP
   ========================================================================== */
.to-top {
  position: fixed;
  right: clamp(1rem, 0.6rem + 1.4vw, 2rem);
  bottom: clamp(1rem, 0.6rem + 1.4vw, 2rem);
  z-index: var(--z-sticky);
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  border-radius: 50%;
  color: var(--brand);
  background: var(--glass-strong);
  border: 1px solid var(--line);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  transition: opacity var(--t-base) var(--ease-out),
              transform var(--t-base) var(--ease-spring),
              visibility var(--t-base),
              color var(--t-fast) var(--ease-out);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { color: var(--accent); transform: translateY(-4px); }
.to-top .ico { width: 18px; height: 18px; }
.to-top__ring {
  position: absolute;
  inset: -1px;
  width: 46px; height: 46px;
  transform: rotate(-90deg);
  pointer-events: none;
}
.to-top__track, .to-top__progress {
  fill: none;
  stroke-width: 2;
  cx: 22; cy: 22; r: 20;
}
.to-top__track { stroke: var(--line); }
.to-top__progress {
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-dasharray: 126;
  stroke-dashoffset: 126;
  transition: stroke-dashoffset 90ms linear;
}

/* ==========================================================================
   17. TOAST
   ========================================================================== */
.toast-stack {
  position: fixed;
  left: 50%;
  bottom: clamp(1rem, 0.6rem + 1.4vw, 2rem);
  transform: translateX(-50%);
  z-index: var(--z-modal);
  display: grid;
  gap: var(--sp-2);
  width: min(440px, calc(100vw - 2rem));
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-strong);
  background: var(--glass-strong);
  border: 1px solid var(--line);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow-lg);
  animation: toast-in 420ms var(--ease-spring) both;
}
.toast.is-out { animation: toast-out 320ms var(--ease-out) both; }
.toast .ico { width: 19px; height: 19px; flex-shrink: 0; }
.toast--ok .ico { color: var(--ok); }
.toast--error .ico { color: var(--error); }
:root[data-theme='dark'] .toast { background: color-mix(in srgb, var(--bg-elev) 94%, transparent); }