/* ---------- Tokens ---------- */
:root {
  --coral: #ff6b4a;
  --coral-dark: #e5533a;
  --teal: #0e7c7b;
  --teal-dark: #0b5f5e;
  --navy: #1f2937;
  --cream: #fff8f3;
  --paper: #fffdf9;
  --white: #ffffff;
  --gray: #6b7280;
  --gray-light: #e5e7eb;
  --stamp: #f5a623;

  --font-display: "Baloo 2", "Segoe UI", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, monospace;

  --container: 1120px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--navy);
  font-family: var(--font-body);
  line-height: 1.55;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--teal-dark);
}

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--navy);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal-dark);
  font-weight: 600;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 999px;
  padding: 13px 26px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--coral);
  color: var(--white);
  box-shadow: 0 6px 16px rgba(255, 107, 74, 0.35);
}

.btn-primary:hover {
  background: var(--coral-dark);
  box-shadow: 0 8px 20px rgba(229, 83, 58, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--navy);
  padding: 10px 18px;
}

.btn-secondary {
  background: var(--white);
  color: var(--teal-dark);
  border: 1.5px solid var(--teal);
}

.btn-secondary:hover {
  background: var(--teal);
  color: var(--white);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 248, 243, 0.9);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(31, 41, 55, 0.06);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand img {
  width: 34px;
  height: 34px;
}

.brand span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--navy);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a.btn-ghost {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .site-nav a.btn-ghost {
    display: none;
  }
}

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 88px;
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}

@media (max-width: 860px) {
  .hero .wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  max-width: 12ch;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--gray);
  max-width: 46ch;
  margin-bottom: 28px;
}

.hero-cta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-cta-note {
  font-size: 0.85rem;
  color: var(--gray);
}

/* --- Signature element: the reminder message mockup --- */
.mock-stage {
  position: relative;
  display: flex;
  justify-content: center;
  padding: 20px;
}

.mock-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--gray-light) 1.4px, transparent 1.4px);
  background-size: 18px 18px;
  border-radius: 28px;
  opacity: 0.6;
}

.mock-phone {
  position: relative;
  width: min(320px, 100%);
  background: var(--white);
  border-radius: 26px;
  box-shadow: 0 24px 48px rgba(31, 41, 55, 0.18);
  padding: 18px 16px 20px;
  transform: rotate(-2deg);
  animation: mock-in 0.7s cubic-bezier(0.2, 0.7, 0.3, 1) both;
}

@keyframes mock-in {
  from {
    opacity: 0;
    transform: rotate(-2deg) translateY(18px);
  }
  to {
    opacity: 1;
    transform: rotate(-2deg) translateY(0);
  }
}

.mock-chat-title {
  font-size: 0.78rem;
  color: var(--gray);
  text-align: center;
  margin-bottom: 12px;
  font-family: var(--font-mono);
}

.mock-bubble {
  background: var(--cream);
  border-radius: 16px;
  padding: 12px 14px;
  border: 1px solid rgba(31, 41, 55, 0.06);
}

.mock-sender {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--teal-dark);
  margin-bottom: 4px;
}

.mock-text {
  font-size: 0.95rem;
  color: var(--navy);
  margin-bottom: 12px;
}

.mock-buttons {
  display: flex;
  gap: 8px;
}

.mock-buttons span {
  flex: 1;
  text-align: center;
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: 10px;
  padding: 8px 6px;
  font-size: 0.85rem;
  color: var(--teal-dark);
  font-weight: 600;
  transition: background 0.15s ease, transform 0.1s ease;
}

.mock-bubble:hover .mock-buttons span:first-child {
  background: #e8f7f0;
  transform: scale(1.03);
}

.mock-time {
  font-size: 0.7rem;
  color: var(--gray);
  text-align: right;
  margin-top: 8px;
}

/* ---------- Sections ---------- */
section {
  padding: 72px 0;
}

.section-head {
  max-width: 56ch;
  margin-bottom: 40px;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
}

/* --- Features --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 780px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  background: var(--white);
  border-radius: 18px;
  padding: 26px 22px;
  border: 1px solid rgba(31, 41, 55, 0.06);
}

.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 14px;
  background: var(--cream);
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.feature-card p {
  color: var(--gray);
  margin: 0;
  font-size: 0.96rem;
}

/* --- How it works: vaccination-card stubs --- */
.how {
  background: var(--paper);
  border-top: 1px solid rgba(31, 41, 55, 0.06);
  border-bottom: 1px solid rgba(31, 41, 55, 0.06);
}

.stub-row {
  display: flex;
  flex-direction: column;
}

.stub {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 18px;
  align-items: start;
  padding: 20px 4px;
  border-bottom: 2px dashed var(--gray-light);
}

.stub:last-child {
  border-bottom: none;
}

.stub-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--white);
  background: var(--teal);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.stub h3 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.stub p {
  margin: 0;
  color: var(--gray);
  font-size: 0.95rem;
}

.stub code {
  font-family: var(--font-mono);
  background: var(--cream);
  border-radius: 6px;
  padding: 2px 6px;
  font-size: 0.88em;
  color: var(--coral-dark);
}

/* --- FAQ --- */
.faq-list {
  max-width: 760px;
}

.faq-item {
  background: var(--white);
  border-radius: 14px;
  margin-bottom: 12px;
  border: 1px solid rgba(31, 41, 55, 0.06);
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 600;
  font-family: var(--font-display);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--teal);
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 0;
  padding: 0 20px 18px;
  color: var(--gray);
}

/* --- Privacy callout --- */
.privacy-box {
  background: #eaf5f2;
  border: 1px solid #cfe7e0;
  border-radius: 18px;
  padding: 28px 30px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.privacy-box .icon {
  font-size: 1.6rem;
}

.privacy-box p {
  margin: 0;
  color: var(--navy);
}

/* --- Final CTA --- */
.final-cta {
  text-align: center;
  padding: 80px 0;
}

.final-cta h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  max-width: 20ch;
  margin: 0 auto 12px;
}

.final-cta p {
  color: var(--gray);
  margin-bottom: 28px;
}

/* --- Donate --- */
.donate {
  background: var(--paper);
  border-top: 1px solid rgba(31, 41, 55, 0.06);
}

.donate-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: center;
}

@media (max-width: 780px) {
  .donate-grid {
    grid-template-columns: 1fr;
  }
}

.donate-body {
  color: var(--gray);
  max-width: 46ch;
  margin-bottom: 22px;
}

.donate-qr-card {
  justify-self: center;
  background: var(--white);
  border: 1px solid rgba(31, 41, 55, 0.06);
  border-radius: 18px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.donate-qr-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(31, 41, 55, 0.1);
}

.donate-qr-card img {
  border-radius: 6px;
}

.donate-qr-card span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--gray);
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid rgba(31, 41, 55, 0.08);
  padding: 32px 0;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--gray);
}

.site-footer .brand span {
  font-size: 1rem;
}

.site-footer .brand img {
  width: 22px;
  height: 22px;
}