/* =========================================================
   SITE.CSS — MidPulse Labs Design System
   ========================================================= */

/* ---------------------------------------------------------
   1. BODY & BACKGROUND
   --------------------------------------------------------- */
body {
  background:
    radial-gradient(ellipse 900px 520px at 85% -8%, rgba(12, 125, 103, 0.12), transparent 70%),
    radial-gradient(ellipse 800px 480px at -8% 30%, rgba(241, 165, 59, 0.09), transparent 72%),
    linear-gradient(180deg, #f6f9fc 0%, #f0f5fa 50%, #f6f9fc 100%);
  min-height: 100vh;
}

input, textarea, button, select {
  font-family: 'Sora', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Skip link — ensures all pages (including un-refactored) hide it off-screen */
.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 2000;
  padding: 10px 14px;
  text-decoration: none;
  color: #fff;
  background: var(--brand-strong);
  border-radius: 10px;
  transition: top 0.2s ease;
}

.skip-link:focus-visible {
  top: 16px;
}

/* ---------------------------------------------------------
   2. HEADER
   --------------------------------------------------------- */
header {
  background: rgba(244, 248, 251, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* ---------------------------------------------------------
   3. HERO — Animated Orbs & Staggered Reveal
   --------------------------------------------------------- */
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  will-change: transform;
}

.orb--1 {
  width: 500px;
  height: 500px;
  background: rgba(12, 125, 103, 0.12);
  top: -150px;
  right: -80px;
  animation: orb-drift-1 25s ease-in-out infinite;
}

.orb--2 {
  width: 350px;
  height: 350px;
  background: rgba(241, 165, 59, 0.1);
  bottom: -100px;
  left: -60px;
  animation: orb-drift-2 20s ease-in-out infinite;
}

.orb--3 {
  width: 250px;
  height: 250px;
  background: rgba(12, 125, 103, 0.08);
  top: 40%;
  left: 55%;
  animation: orb-drift-3 30s ease-in-out infinite;
}

@keyframes orb-drift-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.06); }
  66% { transform: translate(-25px, 20px) scale(0.96); }
}

@keyframes orb-drift-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-30px, -20px) scale(1.04); }
  66% { transform: translate(35px, 15px) scale(0.97); }
}

@keyframes orb-drift-3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(20px, -25px) scale(1.03); }
  50% { transform: translate(-15px, 30px) scale(0.98); }
  75% { transform: translate(25px, 10px) scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-content > * {
  opacity: 0;
  animation: hero-enter 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-content > :nth-child(1) { animation-delay: 0.1s; }
.hero-content > :nth-child(2) { animation-delay: 0.22s; }
.hero-content > :nth-child(3) { animation-delay: 0.38s; }
.hero-content > :nth-child(4) { animation-delay: 0.54s; }

@keyframes hero-enter {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand);
  margin-bottom: 20px;
  padding: 6px 14px;
  background: var(--brand-soft);
  border-radius: 999px;
  border: 1px solid rgba(12, 125, 103, 0.15);
}

.hero h1 {
  margin-bottom: 24px;
}

.hero p {
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero--compact {
  padding: 80px 0 40px;
}

.hero--compact h1 {
  font-size: clamp(36px, 5vw, 52px);
  margin-bottom: 16px;
}

.hero--compact p {
  margin-bottom: 0;
}

/* ---------------------------------------------------------
   4. BUTTONS
   --------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  font-family: 'Sora', sans-serif;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 12px;
  border: 2px solid transparent;
  cursor: pointer;
  letter-spacing: 0.01em;
  transition:
    transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
    background 0.25s cubic-bezier(0.4, 0, 0.2, 1),
    border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
    color 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

.btn--primary:hover {
  background: var(--brand-strong);
  border-color: var(--brand-strong);
  box-shadow: 0 8px 24px rgba(12, 125, 103, 0.3);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn--ghost:hover {
  border-color: var(--brand);
  color: var(--brand-strong);
  background: rgba(255, 255, 255, 0.6);
}

.btn--submit {
  width: 100%;
  padding: 18px 32px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ---------------------------------------------------------
   5. APPS / SHOWCASE
   --------------------------------------------------------- */
.apps {
  padding: 80px 0 100px;
}

.section-heading {
  font-family: 'Sora', sans-serif;
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
  color: var(--ink);
  line-height: 1.15;
}

.section-heading::after {
  content: '';
  display: block;
  width: 0;
  height: 3px;
  background: var(--brand);
  border-radius: 2px;
  margin-top: 16px;
  transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s;
}

.section-heading.is-visible::after {
  width: 48px;
}

.showcase {
  display: flex;
  align-items: flex-start;
  gap: 56px;
  padding: 48px 0;
}

.showcase--alt {
  flex-direction: row-reverse;
}

.showcase__visual {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.showcase__icon-wrap {
  position: relative;
}

.showcase__icon {
  width: 120px;
  height: 120px;
  border-radius: 28px;
  object-fit: cover;
  animation: icon-float 6s ease-in-out infinite;
}

.showcase__icon--playstore {
  border-radius: 22%;
}

@keyframes icon-float {
  0%, 100% {
    transform: translateY(0);
    box-shadow: 0 8px 32px rgba(12, 125, 103, 0.15);
  }
  50% {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(12, 125, 103, 0.22);
  }
}

.showcase__status {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
}

.showcase__status--live {
  color: var(--brand-strong);
  border-color: rgba(12, 125, 103, 0.2);
  background: var(--brand-soft);
}

.showcase__body {
  flex: 1;
  min-width: 0;
}

.showcase__title {
  font-family: 'Sora', sans-serif;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  line-height: 1.2;
}

.showcase__desc {
  font-size: 17px;
  line-height: 1.7;
  color: var(--muted);
  margin-bottom: 24px;
  max-width: 52ch;
}

.showcase__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.showcase__tags li {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #0f4f43;
  background: var(--brand-soft);
  border: 1px solid #cae6dd;
  border-radius: 999px;
  padding: 6px 14px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.showcase__tags li:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(12, 125, 103, 0.15);
}

.showcase__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.showcase__meta-links {
  display: flex;
  gap: 20px;
}

.showcase__meta-links a {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  position: relative;
  transition: color 0.2s;
}

.showcase__meta-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--brand);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.showcase__meta-links a:hover {
  color: var(--brand);
}

.showcase__meta-links a:hover::after {
  width: 100%;
}

.showcase-divider {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
  margin: 16px 0;
}

/* ---------------------------------------------------------
   6. ABOUT
   --------------------------------------------------------- */
.about {
  padding: 60px 0 100px;
  background: linear-gradient(180deg, transparent 0%, rgba(12, 125, 103, 0.02) 30%, rgba(12, 125, 103, 0.03) 70%, transparent 100%);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.about__heading {
  font-family: 'Sora', sans-serif;
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  position: sticky;
  top: 100px;
}

.about__text {
  font-size: 18px;
  line-height: 1.8;
  color: var(--muted);
}

.about__text p + p {
  margin-top: 24px;
}

/* ---------------------------------------------------------
   7. CONTACT / FORMS
   --------------------------------------------------------- */
.contact-section {
  padding: 0 0 100px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  align-items: start;
}

.contact-aside h2 {
  font-family: 'Sora', sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 32px;
  letter-spacing: -0.02em;
}

.contact-detail {
  margin-bottom: 28px;
}

.contact-detail__label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 6px;
}

.contact-detail__value {
  font-size: 16px;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s;
}

a.contact-detail__value:hover {
  color: var(--brand);
}

.contact-form-wrap {
  max-width: 560px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-field {
  margin-bottom: 24px;
}

.form-field label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--ink);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 15px;
  background: #f8fbfd;
  color: var(--ink);
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--brand);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(12, 125, 103, 0.12);
}

.form-field textarea {
  resize: vertical;
  min-height: 140px;
}

.alert {
  padding: 16px;
  margin-bottom: 24px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  display: none;
}

.alert.show {
  display: block;
}

.alert.success {
  background: #ecfdf5;
  border: 1px solid #6ee7b7;
  color: #065f46;
}

.alert.error {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  color: #991b1b;
}

/* ---------------------------------------------------------
   8. CONTENT PAGES (Privacy, Terms) — backward compat
   --------------------------------------------------------- */
.content-section {
  padding: 20px 0 64px;
}

.content-wrapper {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 14px 36px rgba(13, 39, 63, 0.1);
  padding: 30px;
}

.privacy-content {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 14px 36px rgba(13, 39, 63, 0.1);
  padding: 46px 36px 64px;
}

.content-wrapper p,
.content-wrapper li,
.privacy-body p,
.privacy-body li {
  color: var(--muted);
}

.contact-info h2,
.content-wrapper h2,
.content-wrapper h3,
.privacy-header h1,
.privacy-body h2,
.privacy-body h3,
.privacy-body h4,
.footer-brand h3 {
  font-family: 'Sora', -apple-system, BlinkMacSystemFont, sans-serif;
}

.last-updated {
  background: var(--brand-soft);
  border-color: #cae6dd;
  color: #0f4f43;
  border-radius: 999px;
}

.doc-toc {
  margin-bottom: 28px;
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  border-radius: 14px;
}

.doc-toc-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 10px;
}

.doc-toc-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.doc-toc-list a {
  text-decoration: none;
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 10px;
  background: var(--surface);
  transition: border-color 0.2s, color 0.2s;
}

.doc-toc-list a:hover {
  border-color: var(--brand);
  color: var(--brand-strong);
}

/* Legacy form styles for un-refactored pages */
.form-group input,
.form-group textarea {
  border-radius: 12px;
  border-color: var(--line);
  background: #f8fbfd;
  font-family: 'Sora', -apple-system, BlinkMacSystemFont, sans-serif;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(12, 125, 103, 0.16);
}

.submit-btn {
  background: var(--brand);
  border-color: var(--brand);
  border-radius: 12px;
  font-family: 'Sora', -apple-system, BlinkMacSystemFont, sans-serif;
}

.submit-btn:hover {
  background: var(--brand-strong);
  border-color: var(--brand-strong);
}

/* Legacy CTA buttons for un-refactored pages */
.cta {
  background: var(--brand);
  border-color: var(--brand);
  border-radius: 12px;
}

.cta:hover {
  background: var(--brand-strong);
  border-color: var(--brand-strong);
}

.cta-secondary {
  color: var(--ink);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.86);
}

.cta-secondary:hover {
  background: var(--surface);
  border-color: var(--brand);
  color: var(--brand-strong);
}

/* Legacy contact grid for un-refactored pages */
.contact-grid {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 14px 36px rgba(13, 39, 63, 0.1);
  padding: 24px;
}

/* ---------------------------------------------------------
   9. FOOTER
   --------------------------------------------------------- */
footer {
  background: linear-gradient(145deg, #0b1926, #101f2f);
  border-top: 1px solid #1d3246;
  padding: 80px 0 48px;
  color: #fff;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 68px;
  margin-bottom: 56px;
}

.footer-content p {
  margin-bottom: 0;
}

.footer-brand h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.footer-brand p {
  color: #97a9bb;
  font-size: 15px;
  line-height: 1.7;
  max-width: 380px;
}

.footer-section h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  color: #6b8299;
}

.footer-section a,
.footer-content a {
  display: block;
  color: #bdc8d6;
  text-decoration: none;
  margin-bottom: 12px;
  font-size: 15px;
  transition: color 0.2s;
}

.footer-section a:hover,
.footer-content a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid #1d3246;
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #6b8299;
  font-size: 14px;
}

.footer-bottom a {
  color: #97a9bb;
  text-decoration: none;
  margin-left: 32px;
  transition: color 0.2s;
}

.footer-bottom a:hover {
  color: #ffffff;
}

.footer-compliance {
  margin-top: 20px;
  color: #6b8299;
  font-size: 13px;
}

.footer-compliance a {
  color: #bdc8d6;
  text-decoration: underline;
  transition: color 0.2s;
}

.footer-compliance a:hover {
  color: #ffffff;
}

/* ---------------------------------------------------------
   10. SCROLL REVEAL SYSTEM
   --------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------------------------------------------------------
   11. RESPONSIVE
   --------------------------------------------------------- */
@media (max-width: 968px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .showcase {
    flex-direction: column !important;
    gap: 32px;
    padding: 40px 0;
  }

  .showcase__visual {
    flex-direction: row;
    gap: 16px;
  }

  .showcase__icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
  }

  .showcase__icon--playstore {
    border-radius: 22%;
  }

  .about__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about__heading {
    position: static;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .contact-form-wrap {
    max-width: none;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }

  .footer-bottom a {
    margin-left: 0;
  }

  .content-wrapper,
  .privacy-content {
    padding: 16px;
  }

  .doc-toc-list {
    display: grid;
    grid-template-columns: 1fr;
  }
}

/* ---------------------------------------------------------
   12. REDUCED MOTION
   --------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .hero-content > * {
    opacity: 1;
  }

  .section-heading::after {
    width: 48px;
  }
}